CN103489288A - Debris flow automatic motoring and early warning device and arrangement method thereof - Google Patents
Debris flow automatic motoring and early warning device and arrangement method thereof Download PDFInfo
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Abstract
The invention provides a debris flow automatic motoring and early warning device and an arrangement method thereof. The debris flow automatic motoring and early warning device comprises a video acquisition device, a sensor module, a field data acquisition device and a remote transmission module, wherein the video acquisition device is used for transmitting acquired debris flow gully video data to the field data acquisition device; the sensor module is used for transmitting acquired rainfall data, earthquake sound data and mud level data to the field data acquisition device; the field data acquisition device is used for converting the received debris flow gully video data, the received earthquake sound data and the received mud level data into digital signals and converting the received rainfall data into switching value signals, transmitting the digital signals and the switching value signals to the remote transmission module and starting the video acquisition device and the sensor module according to starting signals; the remote transmission module is used for uploading the received digital signals and switching value signals through a wireless network and receiving starting signals transmitted by other debris flow automatic motoring and early warning devices. The debris flow automatic motoring and early warning device can be used for realizing the linkage between monitoring equipment and has the characteristics of high accuracy and low cost.
Description
Technical field
The present invention relates to a kind of rubble flow automatic monitoring prior-warning device and method to set up, belong to the geological security monitoring technical field.
Background technology
The monitoring technology of rubble flow mainly is divided into contact and contactless two large types at present, and wherein contact mainly contains broken string method and impact force measurements method.The broken string method lays metal perception line in the debris flow gully bed, once rubble flow has thrust this line, disconnection signal is beamed back and has been realized warning, but this method is not suitable for the debris flow gully bed of the large silt of favourable opposition, because the perception line can soar aloft constantly because the ditch bed washes away, or buried constantly because of the alluvial of ditch bed, therefore lost the function of reporting to the police.The impact force measurements method is to lay shock sensors in the debris flow gully bed, when rubble flow occurs, its impulsive force signal is captured and realizes reporting to the police, and because this technology mostly is disposable, causes cost higher, generally all in conjunction with observational study, use, in engineering, application is few.
The monitoring technology such as contactless main employing rainfall, mud position, earthquake sounds, video, rainfall is mainly by monitoring the rainfall amount situation of change in whole debris flow gully; The monitoring of muddy water position is application radar level transducer monitoring muddy water position level change at present; Rubble flow will clash into riverbed at the volley, and bulkhead wall will shake, and the sound of generation is called geosound of debris flow, and the formation scale of ground acoustical signal and rubble flow is directly proportional, the vibration wave of observing mud-rock flow movement propagate at Rock And Soil by the ground sonic transducer; Video monitoring can judge breaking out and scale of rubble flow intuitively.
Existing debris flow monitoring pre-warning device is mainly the separate component of above-mentioned several monitoring technology, is all often that independent a kind of instrument is monitored rubble flow.For example, have rain gage, mud water-level gauge, the earthquake sounds monitor of independent shaping to step on instrument, the diverse location that is placed on debris flow gully that this appliance requires is independent, finally transfer data on remote monitoring center.Existing debris flow alarm can carry out automatic alarm according to the threshold value of setting, solved the problem that reaches alarm and monitoring personnel personal safety, but this debris flow alarm can only send alerting signal in real time, can't record the data of rubble flow generation in order to the mechanism of rubble flow is analyzed.
Above-mentioned monitoring method to a certain extent can be certain to playing of rubble flow effect, but independent a kind of instrument can not definitely judge whether rubble flow occurs, the comprehensive scheme of its neither one is carried out whole monitoring to rubble flow, and can not carry out corresponding signature analysis to rubble flow, can not well judge rubble flow to occur to the end relevant with which risk factor.And needing the constantly variation of focused data of monitoring personnel to judge the generation of rubble flow, when the scale of breaking out that can not the automatic decision rubble flow and judgement carry out personnel is withdrawn.
Summary of the invention
Whether the present invention occurs, does not have comprehensive scheme to carry out whole monitoring to rubble flow and can not carry out corresponding signature analysis to rubble flow, can not judge the generation problem relevant to which risk factor of rubble flow for solving the rubble flow that can't judge accurately existed in existing debris flow monitoring pre-warning technology, and then a kind of rubble flow automatic monitoring prior-warning device is provided.For this reason, the invention provides following technical scheme:
A kind of rubble flow automatic monitoring prior-warning device comprises:
Video capture device, give on-site data gathering equipment for the debris flow gully video data transmitting by collection;
Sensor module, send to on-site data gathering equipment for the rainfall data by collection, earthquake sounds data and mud bit data;
On-site data gathering equipment, send to the remote transmission module after by the debris flow gully video data of reception, by the earthquake sounds data of reception and mud bit data, converting digital signal to and convert the rainfall data of reception to the switching value signal, and the enabling signal sent according to other rubble flow automatic monitoring prior-warning device starts video capture device and sensor module;
The remote transmission module, upload and receive for the digital signal by reception and switching value signal the enabling signal that other rubble flow automatic monitoring prior-warning device sends by wireless network.
A kind of method to set up of rubble flow automatic monitoring prior-warning device, comprise, first rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow upstream, second rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow middle and upper reaches, the 3rd rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow middle and lower reaches, the 4th rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow exit or entrance of a clitch.
The present invention is by combining rainfall amount monitoring, the monitoring of mud position, earthquake sounds monitoring and Video Supervision Technique, rubble flow is realized to comprehensive monitoring, and between each Sensor monitoring, there is interlock to monitor, fully accomplish instrument power-dissipation-reduced, cost, by the self judgment of respective sensor, realize all appts interlock, thereby solve the shortcoming of existing rubble flow monitoring instrument non-stop run.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the rubble flow automatic monitoring prior-warning device that provides of the specific embodiment of the present invention;
Fig. 2 is the monitoring and warning program circuit schematic diagram of the rubble flow automatic monitoring prior-warning device that provides of the specific embodiment of the present invention;
Fig. 3 is the layout schematic diagram of the sensor module that provides of the specific embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
The specific embodiment of the present invention provides a kind of rubble flow automatic monitoring prior-warning device, as shown in Figure 1, comprising:
Video capture device 1, give on-site data gathering equipment 3 for the debris flow gully video data transmitting by collection;
On-site data gathering equipment 3, send to remote transmission module 4 after by the debris flow gully video data of reception, by the earthquake sounds data of reception and mud bit data, converting digital signal to and convert the rainfall data of reception to the switching value signal, and the enabling signal sent according to other rubble flow automatic monitoring prior-warning device starts video capture device and sensor module;
Concrete, video capture device 1 can comprise video encoding unit and video capture processor.Corresponding video encoding unit is mainly that the PAL-system of video camera output or the debris flow gully video data of TSC-system format signal are carried out to analog to digital conversion and coding, and this unit can adopt the SAA7111 chip of NXP company to complete.The major function of SAA7111 chip is the analog video signal of input to be decoded into to the VP0 digital signal of standard, is equivalent to the AD analog to digital converter.The SAA7111 chip carries out analog to digital conversion by the analog video CVBS signal of video camera output by himself internal register, and the YUV:2:2 form that the signal after changing is standard also provides clock and the synchronizing signal of image acquisition.The SAA7111 chip be programmed for I
2the C programming mode, inside comprises simulation process passage, anti-aliasing filter, AD conversion and clock synchronization circuit, can support the vision signal output of multiple types.Corresponding video capture processor can adopt the DM642 of TMS320C64x dsp chip series, TMS320DM642 (DM642) is based on the second generation high-performance of TI exploitation, the VLIW structure (VelociTI1.2) of advanced VelociTI technology, thus make these dsp chips become the fabulous selection of digital multimedia.DM642 has 3 configurable video ports (VP0, VP1, VP2).These video ports provide direct interface to public video decoding/encoding device.The DM642 video port is supported multiple solution and video standard.These three video ports are configurable, and Video Capture and/or video display modes can be provided.Each video port is comprised of two passages---and A and B, these two passages have separable a catch/display buffer of 5120 bytes.
On-site data gathering equipment 3 can comprise embedded microprocessor, AD modular converter and switching value module.Corresponding embedded microprocessor can adopt embedded-type ARM Cortex-A8 microprocessor, the speed of Cortex-A8 microprocessor can be regulated to surpassing in the scope of 1GHz at 600MHz, can meet the requirement that those needs are operated in the mobile device of the following optimised power consumption of 300mW; And the requirement of the consumer application of the performance optimization of the 2000Dhrystone MIPS that satisfies the demand.The rubble flow automatic monitoring prior-warning device that this embodiment provides can be given full play to the high speed running performance of Coretex-A8 microprocessor, on the one hand can carry out high speed acquisition to video data, can realize on the other hand the high precision collecting of on-the-spot Geological Hazards Monitoring data.
On-site data gathering equipment 3 calls under management embedded microprocessor, gathers the analog datas such as muddy water position, earthquake sounds by the AD modular converter, utilizes look-at-me to gather the digital datas such as rainfall.The data that gather are carried out data fusion by the communication format of setting under the control of embedded microprocessor, by remote transport interface, with the remote transmission module, are connected, and send to the remote data monitoring center.Camera is connected with video capture processor, and video capture processor is connected with embedded microprocessor by bus interface, video output interface, gives full play to the high-performance treatments of embedded microprocessor Cortex-A8, completes the collection to video data.Embedded microprocessor by USB interface and pcmcia interface and 3G wireless network card by video data transmitting to Surveillance center.The software debugging module, for debugging embedded microprocessor program setting, facilitates update routine to reach the purpose of optimizer; The external crystal-controlled oscillation module is in order to provide in real time digital dock reliably to embedded microprocessor, can to realize like this high precision timing clock of embedded microprocessor; Memory module is for storing the debris flow gully field data, and the field monitoring data both can send to remote monitoring center by remote-transmission module and also can store in local built-in storage card like this, and the assurance data can not lost.
In existing rubble flow monitoring device, data are all timing acquiring, be not so-called purposive image data, and the rubble flow automatic monitoring prior-warning device that this embodiment provides design is to take rainfall amount as trigger point, other sensor links.Because breaking out all of many rubble flow has direct relation with rainfall amount, therefore rain sensor is received to the interrupt signal interface of embedded microprocessor, there is rainfall amount just to be equivalent to that the external event generation has been arranged.When there being external event that (when the rainfall amount generation having been detected) occurs, embedded microprocessor is waken up, by the IO port, come pilot relay to open, for the muddy water level sensor, the ground sonic transducer, A/D convertor circuit, the remote transmission module provides 12V, the 5V power supply, power supply is opened and do not meant that is exactly at once to the mud position, earthquake sounds, video data is gathered, but wait for the prior-warning device order, the size of rubble flow automatic monitoring prior-warning device meeting automatic decision rainfall amount starts corresponding data transducer, and can change at any time according to the size of rainfall amount the acquisition time of sensor, because along with the change of rainfall amount is large, must modify to the acquisition time of each sensor, to constantly encrypt image data, so just can better judge the rubble flow situation, thereby can effectively system power dissipation be dropped to minimum.Gather muddy water position, earthquake sounds data by the AD modular converter, look-at-me gathers the numeric type data.After gathering and being converted to standard data, by RS232, data are sent to the remote transmission module, after replying the sign of " sending successfully ", turn-off relay, self reenters park mode, and wait is startup next time; If data send wrong and many places and retransmit still invalidly, temporary data, enter park mode, at next timing, with together with new image data, send.
The monitoring and warning program circuit of the rubble flow automatic monitoring prior-warning device that this embodiment provides as shown in Figure 2.Before image data, monitoring warning device will complete the initialization of software and hardware, and the registration mobile network, and needs to be connected with data center, just starts the collection of data after carrying out these operations.Simultaneously, rubble flow automatic monitoring prior-warning device also has radio warning function, after the start sensor data acquisition, embedded microprocessor can be launched wireless alarm signal to remote monitoring center according to the threshold value of respective sensor setting, can play double shield for the rubble flow monitoring like this, the monitoring personnel not only can pass through the variation of remote interface observation site data, once and data are over after predefined threshold value, embedded microprocessor just can send alerting signal to Surveillance center in real time, the monitoring personnel double shield of data and warning of having arrived like this.In the transport process of data, because general sensing data can be transmitted by GPRS network or big-dipper satellite, but the video data volume is larger at the scene, can only be by optical fiber or the transmission of 3G wireless transport module.
Because breaking out of rubble flow is many and rainfall amount is closely bound up, the rubble flow automatic monitoring prior-warning device that therefore four groups of these embodiments can be provided is arranged on monitored area, as shown in Figure 3, be specially: first rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow upstream, second rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow middle and upper reaches, the 3rd rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow middle and lower reaches, the 4th rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow exit or entrance of a clitch.When the rain sensor of any one rubble flow automatic monitoring prior-warning device has received rainfall, start linkage action, at first point out other two rubble flow automatic monitoring prior-warning devices at rubble flow middle part to start working, being specially between each rubble flow automatic monitoring prior-warning device can direct communication, the startup person of each rubble flow automatic monitoring prior-warning device be exactly wherein the rain gage in any one rubble flow automatic monitoring prior-warning device start.Here the automation process of emphasizing monitoring warning device realizes starting by rain gage exactly, start whole rubble flow automatic monitoring prior-warning device by the rain gage monitoring, so just realized automatic monitoring, by any one device wherein, can point out other monitoring warning device to carry out work, with the rainfall amount situation in the whole debris flow gully of Real-Time Monitoring.
On-site data gathering equipment 3 can also comprise the rainfall acquisition control module, for the unlatching interval of the level adjustment video capture device according to rainfall.And the historical rainfall amount of this area by inquiry is divided into different four grades (I, II, III, VI) by the threaten degree of rainfall amount, the I level: every day 0～10mm; The II level: every day 10mm～25mm; The III level: every day 25～50mm; The VI level: every day 50～100mm.Can automatic-prompting when rain gage 1 detects rainfall amount and reaches grade I open the camera of video monitoring 1, udometric acquisition time is spaced apart 1 hour once, at remote monitoring center, just can see the situation of change of debris flow gully upstream; When rain gage 2 detects rainfall amount and reaches grade I, automatic-prompting is opened mud position 1, earthquake sounds 1 data acquisition channel and video monitoring 2; When rain gage 3 detects rainfall amount and reaches grade I, automatic-prompting is opened mud position 2, earthquake sounds 2 data acquisition channels and video monitoring 3; When rainfall amount reaches grade II during 10～25mm, collection in worksite equipment 3 can be regulated the equipment acquisition time automatically, the acquisition time of each image data to be encrypted automatically, be specially and change the acquisition time of each pick-up transducers data into half an hour once; , when rainfall amount reaches grade III during 25～50mm, collection in worksite equipment 3 is adjusted automatically to the sensor acquisition time again, changes 10 minutes into once; When rainfall amount reaches grade VI during 50～100mm, collection in worksite equipment 3 is adjusted into the fastest acquisition time 2 minutes once by acquisition time, and after rainfall amount reduces gradually, collection in worksite equipment can return to the sensor acquisition time automatically normal acquisition time and within 1 hour, gather a secondary data.And, the acquisition time interval of earthquake sounds and the monitoring of mud position will be accelerated along with udometric acquisition time interval, so just can more directly monitor the variation of the muddy water position in debris flow gully, simultaneously, be arranged in the concrete situation of change that observes important node in debris flow gully that four cameras of debris flow gully can be real-time, so more be conducive to the situation of specifically breaking out of automatic decision debris flow gully.
Last one early warning defence line of the rubble flow automatic monitoring prior-warning device that this embodiment provides is exactly the geologic hazard wireless alarm system, wireless alarm system and rainfall, the mud position, the earthquake sounds data combine together, also to be divided into different threat levels, because these three kinds of monitoring equipments can send to remote monitoring center by data by the data fusion analysis, therefore add Wireless alarm module, the variation of Wireless alarm module real time fusion and three kinds of data of analysis, send in real time the wireless alarming signal according to the difference variation of data, can remind at any time the observation personnel of remote monitoring center whether to carry out corresponding personnel and withdraw the enforcement with safety precautions.
The technical scheme that adopts this embodiment to provide, by rainfall amount monitoring, the monitoring of mud position, earthquake sounds monitoring and Video Supervision Technique are combined, rubble flow is realized to comprehensive monitoring, and between each Sensor monitoring, there is interlock to monitor, fully accomplish instrument power-dissipation-reduced, cost, by the self judgment of respective sensor, realize all appts interlock, thereby solve the shortcoming of existing rubble flow monitoring instrument non-stop run; Simultaneously, at the diverse location of debris flow gully, arrange that corresponding monitoring camera can better produce impression intuitively to breaking out of rubble flow, better the genesis mechanism of rubble flow is studied.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the embodiment of the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (9)
1. a rubble flow automatic monitoring prior-warning device, is characterized in that, comprising:
Video capture device, give on-site data gathering equipment for the debris flow gully video data transmitting by collection;
Sensor module, send to on-site data gathering equipment for the rainfall data by collection, earthquake sounds data and mud bit data;
On-site data gathering equipment, send to the remote transmission module after by the debris flow gully video data of reception, by the earthquake sounds data of reception and mud bit data, converting digital signal to and convert the rainfall data of reception to the switching value signal, and the enabling signal sent according to other rubble flow automatic monitoring prior-warning device starts video capture device and sensor module;
The remote transmission module, upload and receive for the digital signal by reception and switching value signal the enabling signal that other rubble flow automatic monitoring prior-warning device sends by wireless network.
2. rubble flow automatic monitoring prior-warning device according to claim 1, is characterized in that, described video capture device comprises:
Video encoding unit, carry out analog to digital conversion and coding for the debris flow gully video data of the format signal of the PAL-system by video camera output or TSC-system;
Video capture processor, for sending to described on-site data gathering equipment by bus interface or video output interface through the debris flow gully video data of analog to digital conversion and coding.
3. rubble flow automatic monitoring prior-warning device according to claim 1, is characterized in that, described on-site data gathering equipment comprises:
Embedded microprocessor, for sending to the remote transmission module by debris flow gully video data, the earthquake sounds data that convert digital signal to and mud bit data and the rainfall data that converts the switching value signal to;
The AD modular converter, convert digital signal to for the earthquake sounds data by reception and mud bit data;
The switching value module, convert the switching value signal to for the rainfall data by reception.
4. rubble flow automatic monitoring prior-warning device according to claim 3, is characterized in that, described on-site data gathering equipment also comprises:
The software debugging module, for debugging the programming of described embedded microprocessor.
5. rubble flow automatic monitoring prior-warning device according to claim 3, is characterized in that, described on-site data gathering equipment also comprises:
The external crystal-controlled oscillation module, be used to described embedded microprocessor that real-time exact figure clock is provided.
6. rubble flow automatic monitoring prior-warning device according to claim 3, is characterized in that, described on-site data gathering equipment also comprises:
Memory module, for storing debris flow gully video data, earthquake sounds data, mud bit data and rainfall data.
7. rubble flow automatic monitoring prior-warning device according to claim 3, is characterized in that, described on-site data gathering equipment also comprises:
The rainfall acquisition control module, for the unlatching interval of the level adjustment video capture device according to rainfall.
8. rubble flow automatic monitoring prior-warning device according to claim 1, is characterized in that, described remote transmission module is the 3G wireless transport module.
9. the method to set up based on the described rubble flow automatic monitoring of claim 1 to 8 any one prior-warning device, it is characterized in that, comprise: first rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow upstream, second rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow middle and upper reaches, the 3rd rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow middle and lower reaches, the 4th rubble flow automatic monitoring prior-warning device is arranged on to the rubble flow exit or entrance of a clitch.
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| CN114114327A (en) * | 2021-12-06 | 2022-03-01 | 中国地质调查局水文地质环境地质调查中心 | Debris flow monitoring system and method, electronic device and storage medium |
| CN114333246A (en) * | 2022-01-06 | 2022-04-12 | 广西北投交通养护科技集团有限公司 | Geological disaster indoor alarm system |
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