CN103312772A - Data acquisition system applied to internet of things and corresponding device - Google Patents
Data acquisition system applied to internet of things and corresponding device Download PDFInfo
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Abstract
The invention discloses a data acquisition system applied to internet of things and a corresponding device. The device comprises a signal superposition module, a data access module, a main control module, an embedded type system module and a video signal access module, wherein the signal superposition module processes signals of a wired sensor and/or a wireless sensor into real-time data for output in a superposition manner; the data access module identifies and accesses the real-time data outputted by the signal superposition module, rejects bad values of the data and outputs the data; the main control module receives the real-time data from the data access module, stores the real-time data in an SD (Secure Digital) card and simultaneously outputs the real-time data to the embedded type system module; data comparison or various calibrations is/are carried out according to an instruction of the embedded type system module and data comparison response is outputted; the embedded type system module receives real-time video data and the real-time data outputted by the main control module, and stores the real-time video data and the real-time data after processing; set given data is carried in the instruction and is transmitted to the man control module; and the video signal access module converts an image signal received from a camera array into real-time video data for outputting.
Description
Technical field
The present invention relates to data acquisition technology and technology of Internet of things, relate in particular to data acquisition system and corresponding device for Internet of Things.
Background technology
Internet of Things (The Internet of Things) technology, namely by radio frequency identification (RFID, Radio Frequency Identification Devices), WLAN (wireless local area network) (WIFI based on IEEE 802.11b standard, Wireless Fidelity), a Zigbee wireless territory net (ZigBee), transducer, global positioning system (GPS, Global Position System) and the information sensing equipment such as laser scanner, by the agreement of agreement all kinds of article and the Internet are coupled together and to carry out information exchange and communication, identify to realize intellectuality, the location, follow the tracks of, monitoring and management.Popular says, Internet of Things can be realized the network in " the perception world " exactly.
Data acquisition and monitoring (SCADA, Supervisory Control and Data Acquisition) system is take the automated system of computer as the production process control and scheduling on basis.It can carry out monitoring and controlling to the operational outfit at scene, with various functions such as the parameter warning after realization data acquisition, equipment control, parameter measurement, parameter adjusting, various types of signal warning, the data processing and the automatic controls of parameter, namely realize in specifically " perception " of application.Traditional SCADA system generally is comprised of Surveillance center, communication network and remote data acquisition terminal.Wherein, Surveillance center is that data are processed and display system, also claims host computer man-machine interface (HMI, Human Machine Interface) system, is comprised of software and hardware; Wherein hardware mainly comprises server, keeper station and operator station, and software adopts special-purpose SCADA systems soft ware.Communication network can be divided into two classes substantially: wired and wireless.Remote data acquisition terminal, be various intelligent data acquisition equipment, usually said slave computer namely, such as various RTU (remote terminal unit) (RTU, Remote Terminal Unit), programmable logic controller (PLC) (PLC, Programmable Logic Controller) and various intelligent control devices etc.
Technology of Internet of things is not a complete strange concept for current sciemtifec and technical sphere.Because no matter be the control for the field apparatus of factory, or the monitoring to electrical network, tap water pipe network, gas pipeline, railway, bridge, tunnel, hydrology and water conservancy, Digital Agriculture system, or even to the monitoring of spaceship, satellite transit, be to realize by the network that the thing phase is joined invariably, only people are using the SCADA system that is referred to as with " the thing connection " of these professional domains traditionally.Certainly from definition, Internet of Things is one and has more " perception " network on the broad sense, " perception " can be expanded to every equipment, every commodity even everyone by the Internet of Things people, realization is to monitoring and the management of the thing of Static and dynamic, really to reach the target of " perception China " and " the wisdom earth ".Therefore, saying that from the strict sense Internet of Things is the extension of this traditional " perception " technology of SCADA in concept and application, is again the lifting to a germplasm of SCADA technical development.
Along with the development of Networks and Communications technology, Internet of Things fully applies to IT technology of new generation in all trades and professions, and physical world and information world are connect mutually.Technology of Internet of things will promote change and the upgrading of SCADA system architecture, so that the application of SCADA system is more and more wider, except the sector applications such as traditional water supply, air feed, environmental protection, the energy, track traffic, airport, railway, electric power, oil, petrochemical industry, in masses' routine work life and other various fields, also will be used widely, and finally make the concrete application system true development of this Internet of Things of SCADA become the wisdom net in " the perception world ".
Usually, the Internet of Things application system has following three kinds of frameworks:
(1) based on the Internet of Things application architecture electronic tag of RFID, it may be can the most neatly " thing " be changed in three kinds of architecture technology systems to become intelligent article, it is mainly used is that electronic tag is sticked in movement and non-moving assets, to realize that assets are carried out various tracing and managings;
(2) based on the Internet of Things application architecture of sensing network, mainly refer to radio sensing network (WSN, Wirelcss SensorNetworks), it is formed, is finished the monitoring of (comprising temperature, humidity, chemical composition, pressure, sound, displacement, vibration and contamination particle etc.) of specific surrounding enviroment situation with common cooperation by one group of " autonomy " wireless senser that is distributed in the free space.A node among the WSN (or claiming Mote) generally is comprised of a wireless transceiver, a microcontroller and a power supply.WSM is a kind of autonomous reconstruct (Ad-Hoc or Self-Configuring) network, comprises wireless mesh network (Mesh Networks) and mobile deadweight network forming (MANET) etc.
(3) based on the Internet of Things application architecture of M2M, wherein the scope of the M2M theory of industry approval and Technical Architecture covering should be the most widely, comprises wired and wireless two kinds of communication modes.M2M covers and has expanded traditional SCADA system in the industrial information (two change fusion).
Modern large, the SCADA system has developed into networked system from initial engine control system, dcs gradually, and has greatly also that to develop into Ethernet and ICP/IP protocol from the closed system with proprietary protocol be the trend of the open system of main flow.
For example measure the soil moisture of a block, often need the multimetering grid type to lay and the configuration of diversified transducer, and can not adopt wired mode to lay fully, may need to adopt the wireless self-networking pattern to set up the collection system.And for example measuring the road and bridge mass change needs the laying of grid type equally, but need to set up the collection system with the mode of optical fibre pre-buried.Under a specific installation environment, need to unify in the harvester to process with being linked into different wireless way for transmittings because environment for use is different for another example.Wherein, the Wifi bandwidth is larger, and transmission rate is high and radiation length is far away, can be used on the transducer of those data volumes increasings and spaced far; The cost of Rfid own is low, can be used for intensive laying in the little block; Zigbee is used in then that grid type is laid and data volume is not applicable under the very large condition.How make up according to different laying modes and deacclimatize different in-site measurement demand and mounting condition, and how to accomplish that for various wireless signals combination receives, be the problem diversified to be solved that current data acquisition unit faces on-the-spot installation requirements---the realization of open system.
Have, the harvester of front end returns to host computer with the signal of collection in worksite by network again.When having disaster or accident to occur causing network paralysis, how so that gather front end and continue to be controlled and work? because host computer needs the data volume from gathering front end for the treatment of and processing constantly to increase, can consume a large amount of system resource and cause Efficiency Decreasing, and need to improve the computer room construction cost to exchange the raising of efficient for, cause simultaneously the maintenance of rear end to strengthen, the phenomenon of cumulative year after year can appear in cost.And if the general moved forward to front end at the work courtyard of rear end platform data treatment and processing in the past, then can save the Internet resources of a large amount of image data transmission and the system resource of rear end host computer.This is a kind of new layout strategy of the required consideration of existing data acquisition unit---the realization of networked system.
Therefore, just require research and design a kind of data acquisition unit that can be adapted to current networking, open Internet of things system.
Summary of the invention
Technical problem to be solved by this invention provides a kind of data acquisition system that is applied to Internet of Things, can be adapted to neatly networking, open Internet of things system.
In order to solve the problems of the technologies described above, the invention provides a kind of data acquisition system that is applied to Internet of Things, comprise signal front end and data acquisition unit, the signal front end comprises camera array and one or more sensor array, data acquisition unit also comprises signal laminating module, data access module, main control module, embedded system module and vision signal access module except installing the power module of itself powering, wherein:
Camera array is used for being laid in collection picture signal in one or more measurement blocks, exports in real time as the auxiliary signal of environmental parameter signals;
Sensor array includes in line sensor array, the wireless sensor array one or more, is used to one or more measurement block sensors configured grids correspondingly to export in real time wire signal and wireless signal;
The signal laminating module, be used for the wireless signal of the wire signal of in real time output of wired sensor array and/or in real time output of wireless sensor array correspondingly overlap-add procedure become real time data output, overlap-add procedure comprises that the networking of position expansions, port expansion, data preparation and the wireless signal procotol of wire signal defines;
The data access module is used for the real time data of identification and the output of access signal laminating module, and exports to main control module after bad data value is wherein rejected;
Main control module, for mutual with the embedded system module, the real time data of receive data access module output also is stored in the SD card, exports to simultaneously the embedded system module; Instruction according to the transmission of embedded system module is carried out data relatively or all kinds of calibration, and the output data relatively respond;
The embedded system module is used for the real time video data of receiving video signals access module output and the real time data of main control module output, and the real time video data and the real time data that receive are carried out being stored on the hard disk after the data processing; The data-oriented that arranges is carried at is transferred to main control module in the command adapted thereto;
The vision signal access module is used for converting the described picture signal that camera array is exported in real time to real time video data output.
Preferably, this system comprises the Zigbee sensor array for transmission Zigbee wireless sensing signal, one or more wireless sensor arrays that are used for the Wifi sensor array of transmission Wifi wireless sensing signal and are used for the Rfid sensor array of transmission Rfid wireless sensing signal.
Preferably,
The signal laminating module comprises wired stack expansion module and/or wireless laminating module; Comprising one or more the wireless laminating modules in Zigbee laminating module, Wifi laminating module and the Rfid laminating module, be used for correspondingly Zigbee wireless sensing signal, Wifi wireless sensing signal and Rfid wireless sensing signal being carried out the signal stack respectively;
The data access module comprises the data access unit of n identification and access data, and n is the integer greater than 1; M interface of each signal superpositing unit expansion, m is the integer more than or equal to 1.
Preferably, the signal front end also comprises trunk module, wherein:
The Zigbee trunk module is connected between Zigbee sensor array and the Zigbee laminating module, is used for the Zigbee wireless sensing signal of relaying output Zigbee sensor array transmission;
The Wifi trunk module connects between Wifi sensor array and the Wifi laminating module, is used for the Wifi wireless sensing signal of relaying output Wifi sensor array transmission;
The Rfid trunk module is connected between Rfid sensor array and the Rfid laminating module, is used for the Rfid wireless sensing signal of relaying output Rfid sensor array transmission.
Preferably,
The setting of embedded system module be included in the key element early warning value that presets under the warning level, data set-point, time calibration value and the data channel calibration value in one or more data-orienteds, correspondingly be carried at respectively in early warning compare instruction, data compare instruction, instruction time calibration and the data channel calibration command and be transferred to described main control module; The data processing of carrying out comprises one or more in real time data search and demonstration, early warning demonstration and the video data analysis;
Main control module compares the key element early warning value that carries in described real time data and the early warning compare instruction, and the comparative result that will exceed the early warning value scope is exported to the embedded system module; Or with the data set-point comparison of carrying in real time data and the data compare instruction, if comparative result is for exceeding data set-point scope, then to the instruction of power module output power supply control; Or according to value time calibration of carrying in the instruction time calibration current time is calibrated; Or according to the data channel calibration value that carries in the data channel calibration command each data acquisition channel is carried out the curve compensation calibration.
Preferably,
The embedded system module is received receipt data validation instruction after the real time data of described main control module output;
If main control module within a certain period of time just not corresponding data is received described data validation instruction, then use corresponding data on the pointed SD card, wait to retransmit to the embedded system module; Until delete this pointer after receiving the data validation instruction.
Preferably,
The embedded system module also generates analyzed pattern according to the result of data processing; Regularly or by the data of customer requirements by storing on to the back-end platform transmission of the Internet hard disk; The data processing result is carried out self-defined and derived data; Carry out equipment, rights management and front end sensors management in the device.
Preferably, power module comprises power supply input module and two remote power feeding control modules, wherein:
Power switching module is laid with external connection battery power supply port and battery status indicator light;
The power supply input module contains a power storehouse and a temperature control module; Wherein be laid with a power supply adaptor port and power self test indicator light in the power storehouse; Temperature control module is by temperature in the thermistor sensing apparatus, and when sensing temperature during less than preset temperature, the silica-gel electrothermic plate in the control starting drive is heated to preset temperature;
The power supply control module is laid with a plurality of remote power feeding control switch ports and corresponding power supply self check indicator light; When receiving the power supply control instruction of main control module output, by remote power feeding control switch port output power control switch signal, and by power supply self check indicator light indication power supply state.
Preferably, except comprising the residing power supply area of power module, also comprise other three districts in the front end galenic of data acquisition unit:
The signals collecting district can lay at most n data access unit, and each data access unit comprises data access port and corresponding data self check indicator light; The wired or wireless transducing signal that measure field gathers, wherein every m signal is by a corresponding signal superpositing unit data inserting access interface;
The network communication district is laid with a RJ45 network port at a system interface module, an audio input port, an audio output port, a wire transmission port, a VGA display port;
A hard disk storehouse that is used for loading t level capacity hard disk is laid in the memory block.
Preferably, the contour structures of data acquisition unit comprises the detachable carry hand of upper surface and fan cooling hole and the installation preformed hole of both sides end face; Wherein, the inboard in fan cooling hole is equipped with for the dustproof sand net of insect protected.
In order to solve the problems of the technologies described above, the invention provides a kind of data acquisition unit that is applied to Internet of Things, except comprising built-in power module, also comprise signal laminating module, signal access module, main control module, embedded system module and vision signal access module, wherein:
The signal laminating module, be used for the wireless signal of the wire signal of in real time output of wired sensor array and/or in real time output of wireless sensor array correspondingly overlap-add procedure become real time data output, overlap-add procedure comprises that the networking of position expansions, port expansion, data preparation and the wireless signal procotol of wire signal defines;
The data access module is used for the real time data of identification and the output of access signal laminating module, and exports to main control module after bad data value is wherein rejected;
Main control module, for mutual with the embedded system module, the real time data of receive data access module output also is stored in the SD card, exports to simultaneously the embedded system module; Instruction according to the transmission of embedded system module is carried out data relatively or all kinds of calibration, and the output data relatively respond;
The embedded system module is used for the real time video data of receiving video signals access module output and the real time data of main control module output, and the real time video data and the real time data that receive are carried out being stored on the hard disk after the data processing; The data-oriented that arranges is carried at is transferred to main control module in the command adapted thereto;
The vision signal access module is used for converting the picture signal that camera array is exported in real time to real time video data output.
Preferably,
The signal laminating module comprises wired stack expansion module and/or wireless laminating module; Comprising one or more the wireless laminating modules in Zigbee laminating module, Wifi laminating module and the Rfid laminating module, be used for correspondingly Zigbee wireless sensing signal, Wifi wireless sensing signal and Rfid wireless sensing signal being carried out the signal stack respectively;
The data access module comprises the data access unit of n identification and access data, and n is the integer greater than 1; M interface of each signal superpositing unit expansion, m is the integer more than or equal to 1.
Preferably,
The setting of embedded system module be included in the key element early warning value that presets under the warning level, data set-point, time calibration value and the data channel calibration value in one or more data-orienteds, correspondingly be carried at respectively in early warning compare instruction, data compare instruction, instruction time calibration and the data channel calibration command and be transferred to described main control module; The data processing of carrying out comprises one or more in real time data search and demonstration, early warning demonstration and the video data analysis;
Main control module compares the key element early warning value that carries in described real time data and the early warning compare instruction, and the comparative result that will exceed the early warning value scope is exported to the embedded system module; Or with the data set-point comparison of carrying in real time data and the data compare instruction, if comparative result is for exceeding data set-point scope, then to the instruction of power module output power supply control; Or according to value time calibration of carrying in the instruction time calibration current time is calibrated; Or according to the data channel calibration value that carries in the data channel calibration command each data acquisition channel is carried out the curve compensation calibration.
Preferably,
The embedded system module is received receipt data validation instruction after the real time data of main control module output;
If main control module within a certain period of time just not corresponding data is received the data validation instruction, then use corresponding data on the pointed SD card, wait to retransmit to the embedded system module; Until delete this pointer after receiving the data validation instruction.
Preferably,
The embedded system module also generates analyzed pattern according to the result of data processing; Regularly or by the data of customer requirements by storing on to the back-end platform transmission of the Internet hard disk; The data processing result is carried out self-defined and derived data; Carry out equipment, rights management and front end sensors management in the device.
Preferably, power module comprises power supply input module and two remote power feeding control modules, wherein:
Power switching module is laid with external connection battery power supply port and battery status indicator light;
The power supply input module contains a power storehouse and a temperature control module; Wherein be laid with a power supply adaptor port and power self test indicator light in the power storehouse; Temperature control module is by temperature in the thermistor sensing apparatus, and when sensing temperature during less than preset temperature, the silica-gel electrothermic plate in the control starting drive is heated to preset temperature;
The power supply control module is laid with a plurality of remote power feeding control switch ports and corresponding power supply self check indicator light; When receiving the power supply control instruction of main control module output, by remote power feeding control switch port output power control switch signal, and by power supply self check indicator light indication power supply state.
Preferably, except comprising the residing power supply area of power module, also comprise other three districts in the front end galenic of this device:
The signals collecting district can lay at most n data access unit, and each data access unit comprises data access port and corresponding data self check indicator light; The wired or wireless transducing signal that measure field gathers, wherein every m signal is by a corresponding signal superpositing unit data inserting access interface;
The network communication district is laid with a RJ45 network port at a system interface module, an audio input port, an audio output port, a wire transmission port, a VGA display port;
A hard disk storehouse that is used for loading t level capacity hard disk is laid in the memory block.
Preferably, the contour structures of this device comprises the detachable carry hand of upper surface and fan cooling hole and the installation preformed hole of both sides end face; Wherein, the inboard in fan cooling hole is equipped with for the dustproof sand net of insect protected.
Preferably, again customize by following one or more modes according to customer requirement and upgrade the embedded system module:
The first, according to the sector application content that changes corresponding data processing, equipment control content are set;
Second, the remote upgrade port that open this device arranges, corresponding with the updating and management server on the network, described server has unique ID and corresponding customer information for the embedded system module on each device, is used for carrying out daily system users customization upgrading;
The 3rd, after the client proposes the embedded system upgrade request, if the operation resource can't satisfy the service conditions after the upgrading, then change the embedded system module.
The present invention is based on the modular combination design philosophy, can according to the data acquisition field condition flexibly, adaptability doughtily composition data gather Sensor Network, and be equipped with various transducer access module, so that data acquisition unit can be accomplished strongly is open for this reason; In addition, the present invention uses stable technical grade motherboard design and the Embedded System Structure introducing is laid on the node apparatus of monitoring, jointly undertake the various parameters of collection and the video data of reception are processed, early-warning conditions arranges, the processing such as wide area network issue, realize thus the work courtyard reach that data processing is processed, in this locality data are carried out differentiated control, reduce the heavy burden of network data transmission and rear platform mass data processing, the whole efficiency of raising system, avoid the data transmission stability that causes because of the network reason to reduce and the appearance of the Information Security problem such as packet loss, thereby greatly improve and expanded the applicability of technology of Internet of things.
Description of drawings
Fig. 1 is the structured flowchart that is applied to the data acquisition system embodiment of Internet of Things of the present invention;
Fig. 2 is the schematic diagram of wired from the access of in-site measurement block sensor grid among the application drawing 1 shown device embodiment or wireless signal;
Fig. 3 is layout schematic diagram in the device embodiment front end galenic shown in Figure 1;
Fig. 4 is the contour structures schematic diagram of data acquisition unit in the system embodiment shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment technical scheme of the present invention is at length set forth.Should be appreciated that, the embodiment that below enumerates only is used for description and interpretation the present invention, and does not consist of the restriction to technical solution of the present invention.
As shown in Figure 1, represent the structure that is applied to the data acquisition system embodiment of Internet of Things of the present invention, comprised signal front end and data acquisition unit; The signal front end comprises camera array and one or more sensor array, data acquisition unit is except installing the power module of itself powering, also comprise signal laminating module, data access module, main control module, embedded system module and vision signal access module, wherein:
Camera array is used for being laid in collection picture signal in one or more measurement blocks, exports in real time as the environmental parameter signals auxiliary signal;
Sensor array includes in line sensor array, the wireless sensor array one or more, is used to one or more measurement block sensors configured grids correspondingly to export in real time wire signal and wireless signal;
The signal laminating module, be used for that the wireless signal that wire signal and/or the wireless sensor array of the in real time output of wired sensor array are exported is in real time correspondingly carried out overlap-add procedure and become real time data output, overlap-add procedure comprises the networking definition of position expansion, port expansion, data preparation and the wireless signal procotol of wire signal;
The data access module is used for the real time data of identification and the output of access signal laminating module, and exports to main control module after bad data value is wherein rejected;
Main control module, for mutual with the embedded system module, the real time data of receive data access module output also is stored in the SD card, exports to simultaneously the embedded system mould and determines; Instruction according to the transmission of embedded system module is carried out data relatively or all kinds of calibration, and the output data relatively respond;
The embedded system module is used for the real time video data of receiving video signals access module output and the real time data of main control module output, and the real time video data and the real time data that receive are carried out being stored on the hard disk after the data processing; The data-oriented that arranges is carried at is transferred to main control module in the command adapted thereto;
The vision signal access module is used for converting the described picture signal that camera array is exported in real time to real time video data output.
In said system embodiment,
Comprise the Zigbee sensor array for transmission Zigbee wireless sensing signal, one or more wireless sensor arrays that are used for the Wifi sensor array of transmission Wifi wireless sensing signal and are used for the Rfid sensor array of transmission Rfid wireless sensing signal.
In said system embodiment,
The signal laminating module comprises wired stack expansion module and wireless laminating module, comprising one or more the wireless laminating modules in Zigbee laminating module, Wifi laminating module and the Rfid laminating module, be used for respectively Zigbee wireless sensing signal, Wifi wireless sensing signal and Rfid wireless sensing signal correspondingly being carried out the signal stack;
The data access module comprises the data access unit of n (n is the integer greater than 1) individual identification and access data.If the individual interface of each signal superpositing unit expansion m (m is the integer more than or equal to 1), then this device maximum can be expanded: m*n transducer access.
In said system embodiment, the signal front end also comprises trunk module, one or more wireless relay modules comprising Zigbee trunk module, Wifi trunk module and trunk module, be used for correspondingly correspondingly Zigbee wireless sensing signal, Wifi wireless sensing signal and Rfid wireless sensing signal being carried out relaying respectively and exporting by between Zigbee sensor array and the Zigbee laminating module, between Wifi sensor array and the Wifi laminating module and between Rfid sensor array and the Rfid laminating module.
Trunk module is used for improving the through-put power of all kinds of wireless signals.The number of corresponding wireless relay module is strong and weak definite by distance and the wireless sensor signal of wireless sensor array measurement block of living in position between wireless sensor array and wireless laminating module.
In said system embodiment,
The setting of embedded system module be included in the key element early warning value that presets under the warning level, data set-point, time calibration value and the data channel calibration value in one or more data-orienteds, correspondingly be carried at respectively in early warning compare instruction, data compare instruction, instruction time calibration and the data channel calibration command and be transferred to main control module; The data processing of carrying out comprises one or more in real time data search and demonstration, early warning demonstration and the video data analysis;
Main control module compares the key element early warning value that carries in real time data and the early warning compare instruction, and the comparative result that will exceed the early warning value scope is exported to the embedded system module; Or with the data set-point comparison of carrying in real time data and the data compare instruction, if comparative result is for exceeding data set-point scope, then to the instruction of power module output power supply control; Or according to value time calibration of carrying in the instruction time calibration current time is calibrated; Or according to the data channel calibration value that carries in the data channel calibration command data acquisition channel is carried out the curve compensation calibration.
In said system embodiment,
The embedded system module is received receipt data validation instruction after the real time data of main control module output;
If main control module within a certain period of time just not corresponding data is received the data validation instruction, then use corresponding data on the pointed SD card, wait to retransmit to the embedded system module; Until delete pointer after receiving the data validation instruction.
In said system embodiment,
The embedded system module also generates analyzed pattern according to the result of data processing; Regularly or by the data of customer requirements by storing on to the back-end platform transmission of the Internet hard disk; The data processing result is carried out self-defined and derived data; Carry out equipment, rights management and front end sensors management in the device.
Because the wired sensor module interface of existing cabinet can access various dissimilar transducers, is in saturation condition.Under such condition, the effect that wired stack expanded mode is determined is that the dissimilar signal of various wired sensor outputs is expanded.
Because the need for environment that will monitor is at different place sensor installations, and distance is relatively far away; Perhaps, some environment are laid the mounting condition that wireless senser adapts to the scene owing to being subjected to the restriction of on-the-spot condition of work not allow to connect with wired mode at all therefore the invention provides with wireless mode.The present invention no matter theoretically or all can be used in the sensor array of various wireless communication modes in the practical operation, with the demand of the sensor grid that adapts to modern Internet of Things.
As shown in Figure 2, represented to access from the sensor grid of in-site measurement block among the device embodiment of the present invention shown in Figure 1 the signal of wired transducing signal or wireless sensing signal.Signal superpositing unit wherein is corresponding with signal laminating module shown in Figure 1, and each signal superpositing unit can be in wired stack expansion module or Zigbee, Wifi and three kinds of wireless laminating modules of Rfid.Said apparatus of the present invention number is identified this block and is belonged to which sensor grid by measuring block, and the position by wired or wireless transducer place sensor grid (row number or line number) are identified this transducer and connected which signal superpositing unit.
If each signal superpositing unit can be expanded m interface, then data acquisition unit embodiment maximum of the present invention can be expanded: m*n transducer access.Such as n=24 among Fig. 3, m=5, then maximum can be expanded 120 transducers accesses.Can find out that thus said system embodiment of the present invention provides an extremely strong open front-end collection system, can satisfy the application demand of the different data acquisition of industry-by-industry fully.
As shown in Figure 3, be the interior layout designs of front end galenic of device embodiment shown in Figure 1, have four zones:
1) power module of power supply area comprises a power switching module, a power supply input module, and one or more (for example 2) remote power feeding control module, wherein:
Power switching module: be laid with mains switch, power supply indicator, external connection battery power supply port, battery status indicator light;
Power supply input module: contain a power storehouse, be laid with a power supply adaptor (such as 220VAC-24VDC) port in the storehouse, a power self test indicator light;
Power supply control module: be laid with a plurality of (for example 5) remote power feeding control switch ports and corresponding power supply self check indicator light; When receiving the power supply control instruction of main control module output, by remote power feeding control switch port output power control switch signal, and by power supply self check indicator light indication power supply state.
2) signals collecting district can lay at most n=24 data access unit, and each data access unit comprises data access port and corresponding data self check indicator light; The wired or wireless transducing signal that measure field gathers, wherein every m=5 signal is by a corresponding signal superpositing unit data inserting access interface, as schematically shown in Figure 2.
3) network communication district, be laid with a network port (RJ45) at a system interface module (it is the peripheral port equipment of embedded system module), one audio input port, one audio output port, one wire transmission port (232,485, in the urat serial ports a kind of), one VGA display port, two USB.
4) a hard disk storehouse is laid in memory block, and being used for the capacity that loads is the hard disk of t level.
In said apparatus embodiment, the power supply input module also comprises a radiating module and a temperature control module, wherein:
Radiating module is used for by the blowing of the fan in device heat radiation;
Temperature control module is used for by temperature in the thermistor sensing apparatus, and when sensing temperature during less than preset temperature, the silica-gel electrothermic plate in the control starting drive is heated to preset temperature.
Said apparatus of the present invention by above-mentioned temperature control module, radiating module so that device can adapt to the adverse circumstances under the outdoor extreme atmosphere.
Among the said apparatus embodiment of the present invention, the main effect of embedded system module is receiving video data, and the data of carrying out of video data and collection front-end collection are processed, early-warning conditions is set, is carried out the wide area network issue of data.Advocating the operation that system was placed on the platform of rear end in the past by the use of this embedded system module is advanced on the fore device, the differentiated control data, greatly to improve the local efficient of carrying out, avoid the problems such as the poor and packet loss of the data transmission stability that causes because of the network reason.
Existing a lot of equipment itself is tape data processing system not, can not realize at the scene visually, and data often need to pass back to rear platform and carry out processing and sorting by cable network or wireless (such as GPRS etc.) latticed form.Need so inevitably a large amount of human resources, device resource and house to use resource, can greatly reduce thus the whole efficiency of system.Although some existing equipment are also arranged with data handling system, but owing to being the system of the special customization according to the industry requirement of integral body, special embedded processing can not adapt to the type of spot sensor and the change of data form processing, often need to overthrow old system and redesign new system, greatly increase thus client's the heavy superfluous and application cost of equipment.When system breaks down, need shutdown maintenance in addition, so that the work of entire system is deadlocked, cause the disappearance of a time period image data, this does not allow to occur in professional industry field.
Use embedded system module and main control module just to solve above-mentioned all these problems in the said apparatus of the present invention.For different clients' demand, the present invention designs the multiple module of open system, and the client can select arbitrarily or each generic module of upgrading according to the demand of oneself.When the needs system maintenance, learn rapidly malfunctioning module by System self-test, and only need that malfunctioning module is disassembled maintenance and get final product, and equipment body still can keep operation, continue image data, and the data of not uploading are stored, after fixing or change etc. malfunctioning module in the system, automatically with data upload.Be noted that in addition the present invention in order to guarantee system safety, various modules itself are not that one is connected with database on SD card or the hard disk in the system, the malfunctioning module dismounting by process or the data of processing still on the memory block of apparatus main body.Said apparatus of the present invention is supported local Presentation Function, can realize easily local system visualized management and maintenance.And by the support to this locality warning and voice output, input function, can realize that local measurement is on-the-spot carries out video intercommunication contact with the network other end.And, if the embedded system module breaks down, main control module still can be deposited into the data of Real-time Collection, processing in the SD card by normal operation, after formula system module to be embedded reparation or the replacement data of not uploading are uploaded successively, guarantee the maximum integrality of entire system data, that is to say the two-way confirmation mechanism of setting up.
Fig. 4 is the contour structures of data acquisition unit in the system embodiment shown in Figure 1, and it comprises the fan cooling hole of the detachable carry hand of upper surface and both sides end face and preformed hole is installed.Wherein, the inboard in fan cooling hole is equipped with for the dustproof sand net of insect protected; Installation preformed hole by both sides can mounting bracket (such as angle bar), is convenient to when device need to be installed in the cabinet, utilizes support and cabinet that preformed hole and installation thereof are installed to be assembled together.
The application of Internet of Things is very extensive, and navigation system, warehousing management, traffic management are for example arranged, and perhaps warehousing management and environmental monitoring need to be managed on same equipment etc. multiple use, and can make up it, consist of compound application.Therefore, under such condition, embedded system module of the present invention is according to the concrete applicable function of different choice of the application of customer requirement; The user demand that increases as required or change after can changing for environment for use simultaneously again customizes this module, and reaches the upgrading purpose in existing equipment replacing module.Among the present invention in the following manner one or more carry out module to be upgraded:
The first, the embedded system module can be changed for the change of sector application, namely uses according to different industries corresponding data processing, equipment control content are set.
Second, the remote upgrade port that arranges in open this apparatus system, corresponding with the updating and management server on the network, this server has a unique ID and corresponding customer information for the embedded system module on each equipment, can carry out the customization upgrading of daily system.
The 3rd, after the client proposes the embedded system upgrade request, if the operation resource of existing embedded system module can't satisfy the service conditions after the upgrading, then take the hardware configuration upgrading, namely change whole embedded system module, to improve configuration and chip level.
Above-mentioned design of the present invention can be avoided existing equipment defective in this regard: need change integral device in the time will carrying out HardwareUpgring, and data wire, netting twine need reconnect all, and equipment will be debugged etc. again.In the engineering of reality, then to face larger workload.The design of above-mentioned module replacing of the present invention is that the complicated workload of equipment itself or engineering all can be reduced to minimum on the whole, has greatly increased thus work and the efficiency of management of equipment.
Claims (19)
1. data acquisition system that is applied to Internet of Things, it is characterized in that, comprise signal front end and data acquisition unit, the signal front end comprises camera array and one or more sensor array, data acquisition unit also comprises signal laminating module, data access module, main control module, embedded system module and vision signal access module except installing the power module of itself powering, wherein:
Camera array is used for being laid in collection picture signal in one or more measurement blocks, exports in real time as the auxiliary signal of environmental parameter signals;
Sensor array includes in line sensor array, the wireless sensor array one or more, is used to one or more measurement block sensors configured grids correspondingly to export in real time wire signal and wireless signal;
The signal laminating module, be used for the wireless signal of the wire signal of in real time output of wired sensor array and/or in real time output of wireless sensor array correspondingly overlap-add procedure become real time data output, overlap-add procedure comprises that the networking of position expansions, port expansion, data preparation and the wireless signal procotol of wire signal defines;
The data access module is used for the real time data of identification and the output of access signal laminating module, and exports to main control module after bad data value is wherein rejected;
Main control module, for mutual with the embedded system module, the real time data of receive data access module output also is stored in the SD card, exports to simultaneously the embedded system module; Instruction according to the transmission of embedded system module is carried out data relatively or all kinds of calibration, and the output data relatively respond;
The embedded system module is used for the real time video data of receiving video signals access module output and the real time data of main control module output, and the real time video data and the real time data that receive are carried out being stored on the hard disk after the data processing; The data-oriented that arranges is carried at is transferred to main control module in the command adapted thereto;
The vision signal access module is used for converting the described picture signal that camera array is exported in real time to real time video data output.
2. according to the said system of claim 1, it is characterized in that, comprise the Zigbee sensor array for transmission Zigbee wireless sensing signal, one or more wireless sensor arrays that are used for the Wifi sensor array of transmission Wifi wireless sensing signal and are used for the Rfid sensor array of transmission Rfid wireless sensing signal.
3. according to system claimed in claim 2, it is characterized in that,
Described signal laminating module comprises wired stack expansion module and/or wireless laminating module; Comprising one or more the wireless laminating modules in Zigbee laminating module, Wifi laminating module and the Rfid laminating module, be used for correspondingly Zigbee wireless sensing signal, Wifi wireless sensing signal and Rfid wireless sensing signal being carried out the signal stack respectively;
Described data access module comprises the data access unit of n identification and access data, and described n is the integer greater than 1; M interface of each signal superpositing unit expansion, described m is the integer more than or equal to 1.
4. according to system claimed in claim 3, it is characterized in that, described signal front end also comprises trunk module, wherein:
The Zigbee trunk module is connected between Zigbee sensor array and the Zigbee laminating module, is used for the Zigbee wireless sensing signal of relaying output Zigbee sensor array transmission;
The Wifi trunk module connects between Wifi sensor array and the Wifi laminating module, is used for the Wifi wireless sensing signal of relaying output Wifi sensor array transmission;
The Rfid trunk module is connected between Rfid sensor array and the Rfid laminating module, is used for the Rfid wireless sensing signal of relaying output Rfid sensor array transmission.
5. according to each described system of claim 1 to 4, it is characterized in that,
The setting of described embedded system module be included in the key element early warning value that presets under the warning level, data set-point, time calibration value and the data channel calibration value in one or more data-orienteds, correspondingly be carried at respectively in early warning compare instruction, data compare instruction, instruction time calibration and the data channel calibration command and be transferred to described main control module; The data processing of carrying out comprises one or more in real time data search and demonstration, early warning demonstration and the video data analysis;
Described main control module compares the described key element early warning value that carries in described real time data and the described early warning compare instruction, and the comparative result that will exceed the early warning value scope is exported to described embedded system module; Or with the described data set-point comparison of carrying in described real time data and the described data compare instruction, if comparative result is for exceeding data set-point scope, then to the instruction of described power module output power supply control; Or according to described time calibration of the value of carrying in the described instruction time calibration current time is calibrated; Or according to the described data channel calibration value that carries in the described data channel calibration command each data acquisition channel is carried out the curve compensation calibration.
6. according to system claimed in claim 5, it is characterized in that,
Described embedded system module is received receipt data validation instruction after the real time data of described main control module output;
If described main control module within a certain period of time just not corresponding data is received described data validation instruction, then use corresponding data on the pointed SD card, wait to retransmit to described embedded system module; Until delete described pointer after receiving described data validation instruction.
7. according to each described system of claim 1 to 4, it is characterized in that,
Described embedded system module also generates analyzed pattern according to the result of data processing; Regularly or by the data of customer requirements by storing on to the back-end platform transmission of the Internet hard disk; The data processing result is carried out self-defined and derived data; Carry out equipment, rights management and front end sensors management in the device.
8. according to system claimed in claim 5, it is characterized in that, described power module comprises power supply input module and two remote power feeding control modules, wherein:
Power switching module is laid with external connection battery power supply port and battery status indicator light;
The power supply input module contains a power storehouse and a temperature control module; Wherein be laid with a power supply adaptor port and power self test indicator light in the power storehouse; Temperature control module is by temperature in the thermistor sensing apparatus, and when sensing temperature during less than preset temperature, the silica-gel electrothermic plate in the control starting drive is heated to preset temperature;
The power supply control module is laid with a plurality of remote power feeding control switch ports and corresponding power supply self check indicator light; When receiving the power supply control instruction of described main control module output, by remote power feeding control switch port output power control switch signal, and by power supply self check indicator light indication power supply state.
9. according to system claimed in claim 8, it is characterized in that, except comprising the residing power supply area of described power module, also comprise other three districts in the front end galenic of described data acquisition unit:
The signals collecting district can lay at most n data access unit, and each data access unit comprises data access port and corresponding data self check indicator light; The wired or wireless transducing signal that measure field gathers, wherein every m signal is by a corresponding signal superpositing unit data inserting access interface;
The network communication district is laid with a RJ45 network port at a system interface module, an audio input port, an audio output port, a wire transmission port, a VGA display port;
A hard disk storehouse that is used for loading t level capacity hard disk is laid in the memory block.
10. according to claim 1 to 4,6,8,9 each described systems, it is characterized in that, the contour structures of described data acquisition unit comprises the detachable carry hand of upper surface and fan cooling hole and the installation preformed hole of both sides end face; Wherein, the inboard in fan cooling hole is equipped with for the dustproof sand net of insect protected.
11. a data acquisition unit that is applied to Internet of Things comprises built-in power module, characterized by further comprising signal laminating module, signal access module, main control module, embedded system module and vision signal access module, wherein:
The signal laminating module, be used for the wireless signal of the wire signal of in real time output of wired sensor array and/or in real time output of wireless sensor array correspondingly overlap-add procedure become real time data output, overlap-add procedure comprises that the networking of position expansions, port expansion, data preparation and the wireless signal procotol of wire signal defines;
The data access module is used for the real time data of identification and the output of access signal laminating module, and exports to main control module after bad data value is wherein rejected;
Main control module, for mutual with the embedded system module, the real time data of receive data access module output also is stored in the SD card, exports to simultaneously the embedded system module; Instruction according to the transmission of embedded system module is carried out data relatively or all kinds of calibration, and the output data relatively respond;
The embedded system module is used for the real time video data of receiving video signals access module output and the real time data of main control module output, and the real time video data and the real time data that receive are carried out being stored on the hard disk after the data processing; The data-oriented that arranges is carried at is transferred to main control module in the command adapted thereto;
The vision signal access module is used for converting the described picture signal that camera array is exported in real time to real time video data output.
12. according to the described device of claim 11, it is characterized in that,
Described signal laminating module comprises wired stack expansion module and/or wireless laminating module; Comprising one or more the wireless laminating modules in Zigbee laminating module, Wifi laminating module and the Rfid laminating module, be used for correspondingly Zigbee wireless sensing signal, Wifi wireless sensing signal and Rfid wireless sensing signal being carried out the signal stack respectively;
Described data access module comprises the data access unit of n identification and access data, and described n is the integer greater than 1; M interface of each signal superpositing unit expansion, described m is the integer more than or equal to 1.
13. according to the described device of claim 12, it is characterized in that,
The setting of described embedded system module be included in the key element early warning value that presets under the warning level, data set-point, time calibration value and the data channel calibration value in one or more data-orienteds, correspondingly be carried at respectively in early warning compare instruction, data compare instruction, instruction time calibration and the data channel calibration command and be transferred to described main control module; The data processing of carrying out comprises one or more in real time data search and demonstration, early warning demonstration and the video data analysis;
Described main control module compares the described key element early warning value that carries in described real time data and the described early warning compare instruction, and the comparative result that will exceed the early warning value scope is exported to described embedded system module; Or with the described data set-point comparison of carrying in described real time data and the described data compare instruction, if comparative result is for exceeding data set-point scope, then to the instruction of described power module output power supply control; Or according to described time calibration of the value of carrying in the described instruction time calibration current time is calibrated; Or according to the described data channel calibration value that carries in the described data channel calibration command each data acquisition channel is carried out the curve compensation calibration.
14. according to the described device of claim 13, it is characterized in that,
Described embedded system module is received receipt data validation instruction after the real time data of described main control module output;
If described main control module within a certain period of time just not corresponding data is received described data validation instruction, then use corresponding data on the pointed SD card, wait to retransmit to described embedded system module; Until delete described pointer after receiving described data validation instruction.
15. according to each described device of claim 11 to 14, it is characterized in that,
Described embedded system module also generates analyzed pattern according to the result of data processing; Regularly or by the data of customer requirements by storing on to the back-end platform transmission of the Internet hard disk; The data processing result is carried out self-defined and derived data; Carry out equipment, rights management and front end sensors management in the device.
16. according to the described device of claim 13, it is characterized in that, described power module comprises power supply input module and two remote power feeding control modules, wherein:
Power switching module is laid with external connection battery power supply port and battery status indicator light;
The power supply input module contains a power storehouse and a temperature control module; Wherein be laid with a power supply adaptor port and power self test indicator light in the power storehouse; Temperature control module is by temperature in the thermistor sensing apparatus, and when sensing temperature during less than preset temperature, the silica-gel electrothermic plate in the control starting drive is heated to preset temperature;
The power supply control module is laid with a plurality of remote power feeding control switch ports and corresponding power supply self check indicator light; When receiving the power supply control instruction of described main control module output, by remote power feeding control switch port output power control switch signal, and by power supply self check indicator light indication power supply state.
17. according to the described device of claim 16, it is characterized in that, except comprising the residing power supply area of described power module, also comprise other three districts in the front end galenic of this device:
The signals collecting district can lay at most n data access unit, and each data access unit comprises data access port and corresponding data self check indicator light; The wired or wireless transducing signal that measure field gathers, wherein every m signal is by a corresponding signal superpositing unit data inserting access interface;
The network communication district is laid with a RJ45 network port at a system interface module, an audio input port, an audio output port, a wire transmission port, a VGA display port;
A hard disk storehouse that is used for loading t level capacity hard disk is laid in the memory block.
18. according to claim 11 to 14,17 each described devices, it is characterized in that, the contour structures of this device comprises the detachable carry hand of upper surface and fan cooling hole and the installation preformed hole of both sides end face; Wherein, the inboard in fan cooling hole is equipped with for the dustproof sand net of insect protected.
19. according to claim 11 to 14,17 each described devices, it is characterized in that,
Again customize by following one or more modes and upgrade described embedded system module according to customer requirement:
The first, according to the sector application content that changes corresponding data processing, equipment control content are set;
Second, the remote upgrade port that open described device arranges, corresponding with the updating and management server on the network, described server has unique ID and corresponding customer information for the described embedded system module on each device, is used for carrying out daily system users customization upgrading;
The 3rd, after the client proposes the embedded system upgrade request, if the operation resource can't satisfy the service conditions after the upgrading, then change described embedded system module.
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Application publication date: 20130918 |