CN102620136A - Permanent gas filling control system - Google Patents
Permanent gas filling control system Download PDFInfo
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- CN102620136A CN102620136A CN2012101080273A CN201210108027A CN102620136A CN 102620136 A CN102620136 A CN 102620136A CN 2012101080273 A CN2012101080273 A CN 2012101080273A CN 201210108027 A CN201210108027 A CN 201210108027A CN 102620136 A CN102620136 A CN 102620136A
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- mpu
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Abstract
The invention relate to a gas filling control system. Aimed at the defects of manual control and detection adopted by the prior art, the invention discloses a permanent gas filling control system, which utilizes an electronic temperature detector and an electronic pressure detector to replace conventional mechanical meters and integrates the advanced radio frequency identification technology with the filling control technology to increase the efficiency and safety of the filling production process. In the technical scheme, the permanent gas filling control system is characterized in that: the permanent gas filling control system comprises an MPU (microprocessor unit), a filling control mechanism, a keyboard, a display, the pressure detector, the temperature detector and a radio frequency card reader-writer; and the MPU is connected with the filling control mechanism, the keyboard, the display, the pressure detector, the temperature detector and the radio frequency card reader-writer. The permanent gas filling control system is mainly used for permanent gas filling control.
Description
Technical field
The present invention relates to the gas filling control technique, particularly a kind of Permanent gas fills control gear.
Background technique
Permanent gas is meant that critical temperature is lower than-10 ℃ gas.As: gases such as air, oxygen, nitrogen, hydrogen, methane, carbon monoxide etc.Permanent gas uses pressurized container (like gas cylinder or steel cylinder etc.) to store, transport and use usually; It is higher that it fills technical requirements; Wherein inflammable gas particularly; Need control according to various information when filling; As fill the manufacturer, the date of production, the time of coming into operation, affiliated unit of container, whether in effective life, volume, weight, pressure rating etc. (being referred to as the identity information that fills container) and fill temperature, filling pressure etc. so that whether can fill, and in filling process, judge the Security that fills and determine that whether accomplishing this fills according to filling temperature and filling pressure according to these information decisions.
Domestic all is to adopt pointer pressure that the filling pressure data are detected and observe at present mostly when the Permanent gas gas cylinder is filled; Adopt dial thermometer (dual metal type) or mercury thermometer to measure and observe to filling temperature; When reaching predefined filling pressure, finish this and fill the relevant creation data of manual record with regard to manual throttle down.If therebetween filling pressure with fill temperature parameter and stop the running of gas transfer pump when reaching the maximum value that ensures safety in production by manual work, ascertain the reason and proceed again to fill after getting rid of potential safety hazard.Such working method is very high to operator's sense of responsibility requirement, and safety in production is guaranteed by manual work fully.Simultaneously the precision of measurement and the reliability of pointer pressure and dial thermometer (being referred to as mechanical watch) itself are relatively low, also are the weakest links in keeping the safety in production, and be extremely inharmonious with the overall situation that whole society pay attention to day by day is kept the safety in production.
RF identification (RFID) technology is a kind of contactless automatic identification technology.REID utilizes radio signal to be coupled through the space and realizes contactless information transmission.Concrete, RF identification mainly through rf read-write device with attached to the mutual information transmission between the electronic tag (or being called radio frequency card) that is identified on the object, is read the information of carrying on the electronic tag by card reader.REID has a lot of outstanding advantages: Touchless manipulation, long distance identification (can reach several centimetres to tens meters), convenient in application; Do not have the machinery wearing and tearing, the life-span is long, can work in rugged environment; RFID passive label low price is beneficial to universal.Constantly perfect along with technology, the RFID technology is used very extensive in fields such as material tracking, SUPPLY CHAIN MANAGEMENT, communications and transportation and gate inhibition's controls.The structure of general electronic tag mainly comprises the chip of substrate, antenna (adopting microstrip antenna usually) and connection thereof etc.The radio frequency khaki basic functional principle that is operated in passive mode is: rf read-write device is through radio frequency directional antenna emission carrier wave or modulated wave; Activate the electronic tag in the electromagenetic wave radiation field; To electronic tag power supply with send read write command; Electronic tag is modulated back backward scattering electromagnetic wave to card reader with the data of storage to load after receiving instruction, after demodulation, obtains the data information that electronic tag returns again.Along with the progress of the development of microelectronic technology, particularly REID, radio frequency card canned data amount is increasing, and price is also more and more lower, has been widely used in the various management that fill container, is used for writing down the identity information that fills container.But in the existing technology; Also not having a kind of Permanent gas to fill control gear adopts REID to engage with MPU; Read the gas cylinder identity information in the gas cylinder electronic tag and in filling process, gather filling pressure and the device that fills temperature and use these information that filling process is controlled automatically and managed through MPU; Great majority are still continued to use the mode of conventional artificial control, and this and technological progress are extremely unbecoming.
Summary of the invention
Technical problem to be solved by this invention; Just provide a kind of Permanent gas and fill control gear; Adopt electron temperature detection device and electron pressure detection device to replace traditional mechanical watch; And advanced person's REID combined with filling control technique, improve the Security of the efficient and the production process that fill production process.
The present invention solve the technical problem, and the technological scheme of employing is, Permanent gas fills control gear, it is characterized in that, comprises MPU, fills control mechanism, keyboard, display device, pressure-detecting device, temperature-detecting device and rf read-write device; The said control mechanism that fills is connected with MPU, and said keyboard is connected with MPU, and said display device is connected with MPU, and said pressure-detecting device is connected with MPU, and said temperature-detecting device is connected with MPU, and said rf read-write device is connected with MPU;
The said control mechanism that fills is used to connect the Permanent gas pipeline, and the control that fills of Permanent gas is accomplished in the instruction that receives MPU;
Said keyboard is used for input control order, accomplishes man-machine interaction;
Said display device is used for demonstration and fills information and operational order and control command;
Said pressure-detecting device is used to detect filling pressure, and converts pressure parameter into electrical signal and be transferred to MPU;
Said temperature-detecting device is used for detecting and fills temperature, and converts temperature parameter into electrical signal and be transferred to MPU;
Said rf read-write device is used to read the information of radio frequency card, the information that reads to MPU input, and write to radio frequency card and to fill recorded information.
Technological scheme of the present invention; Replace traditional mechanical watch to fill temperature detection control and filling pressure detection control with electron temperature detection device and electron pressure detection device; And combination REID; With the identity information that fills container that reads, be directly inputted to the MPU (microprocessor) that fills control gear, the data that MPU reads according to the temperature and pressure data that detect and rf read-write device; Just can obtain to fill the filling weight, filling pressure, manufacturer, the date of production, the time of coming into operation, affiliated unit of container, information such as in effective life whether, the Security that has greatly improved manufacturing efficiency and production process.Filling after the completion can be with the information of filling, and writes radio frequency card and is stored in the system through rf read-write device, guarantees the accurate trackability with production process of data logging, also makes things convenient for the sampling check of supervision department simultaneously.
Concrete, the said recorded information that fills comprises and fills gaseous species, filling pressure, fills temperature and fill the date and accomplish this operator that fill and user profile.。
Filling gaseous species, filling pressure, filling temperature and fill the date is the important parameter that Permanent gas fills production process, writes down these data so that in storage, transportation and the process used, guarantee safety, and significant data is provided for fair trade.
Concrete, said pressure-detecting device comprises pressure transducer and AD converter, and said pressure transducer is connected with AD converter, and said AD converter is connected with MPU.
Concrete, said temperature-detecting device comprises temperature transducer and AD converter, and said temperature transducer is connected with AD converter, and said AD converter is connected with MPU.
The data transfer of sensor acquisition is become digital signal, not only be convenient to be connected, enlarge the Selection of Sensor scope, can also improve the precision of image data with the MPU interface.
Further, the said control mechanism that fills comprises solenoid valve, and said solenoid valve is connected Permanent gas and fills on the pipeline, and its control end is connected with MPU.
Adopt the solenoid valve of microprocessor control to carry out the control that fills of Permanent gas, more accurate, safer than traditional manual mode.
Further, also comprise the interface of communicating by letter with upper-position unit, said interface is connected with MPU.
Increase upper-position unit and communication interface, can the expanding system function, the process data of particularly can managing production easily, safety is guaranteed in the management and the tracking that improve dangerous goods.
Concrete, said upper-position unit is made up of computer system.
Adopt computer system as upper-position unit of the present invention, be convenient to man-machine interaction and control, help the longer-term storage of creation data and inquiry in real time, improve the efficiency of management.
The invention has the beneficial effects as follows, adopt electronic detecting device to carry out the collection of important parameter temperature and pressure, the detection control of filling process is accomplished automatically, and precision is higher.Have the common all functions that fill control gear, except can manually importing parameters, to adapt to outside the requirement that routine fills container; Have more the function of rf read-write device; Can read and fill the parameters data that write down on the container radio frequency card, and real time record fills information, not only reduced workload; And it is correct to read and write data, convenient management.
Description of drawings
Fig. 1 is embodiment's a system architecture schematic representation.
Embodiment
Below in conjunction with accompanying drawing and embodiment, describe technological scheme of the present invention in detail.
Permanent gas of the present invention fills control gear, comprises MPU, fills mechanism, keyboard, display device, pressure-detecting device, temperature-detecting device and rf read-write device.Fill control mechanism and be used to connect the Permanent gas pipeline, filling of Permanent gas accomplished in the instruction that receives MPU.Keyboard is connected with MPU, is used for input control order, accomplishes human-computer interactive control.Said display device is connected with MPU, is used for showing the information that fills and various operation, control command.Pressure-detecting device is connected with MPU, is used to detect filling pressure, and converts pressure parameter into electrical signal and be transferred to MPU.Said temperature-detecting device is connected with MPU, is used for detecting filling temperature, and converts temperature parameter into electrical signal and be transferred to MPU.Rf read-write device is connected with MPU, is used to read the information of radio frequency card, imports the information that reads to MPU, and writes the information of filling to radio frequency card.
The present invention replaces traditional mechanical watch to fill temperature detection with electron temperature detection device and electron pressure detection device and filling pressure detects; And combination REID; With the identity information that fills container that reads; Be directly inputted to the MPU that fills control gear; MPU is according to the data that the temperature and pressure data that detect and rf read-write device read, and just can obtain to fill the filling weight, filling pressure, manufacturer, the date of production, the time of coming into operation, affiliated unit of container, information such as in effective life whether, the Security that has greatly improved manufacturing efficiency and production process.Filling after the completion can be with the information of filling, and writes radio frequency card and is stored in the system through rf read-write device, guarantees the accurate trackability with production process of data logging.
Embodiment
This routine Permanent gas fills control system, and circuit structure is as shown in Figure 1.Microprocessor adopts the LPC2214 microprocessor chip of Philips company among the figure, and this chip is based on the processor of 32 ARM kernels, has 32 bit arithmetic Processing capacities.This routine temperature-detecting device and pressure-detecting device all adopt electronic detecting device, and wherein pressure-detecting device is made up of pressure transducer and AD converter.Pressure transducer is connected with AD converter, and the gas pressure electrical signal input AD converter of gathering is carried out analog-to-digital conversion, and the digitizing gas pressure data input MPU of AD converter output handles.Temperature-detecting device is made up of temperature transducer and AD converter.The temperature transducer collection fill temperature signal, convert digital signal to by AD converter after input MPU carry out relevant treatment.This routine keyboard is connected with microprocessor, is used for input control order and the parameters data that fill container, and rf read-write device then can read the data that fill on the container electronic tag, and with the data input microprocessor, carries out calculation process for microprocessor.This routine display device adopts liquid crystal display panel, has the resolution height, the advantage of power saving.In order to obtain the demonstration of higher brightness, also can adopt light-emitting diode indicator.This example fills control mechanism and comprises solenoid valve and add air pump etc., and solenoid valve is connected on the Permanent gas pipeline, and its control end is connected with MPU, and the control command that can accept MPU is carried out the automatic control of filling process.
Owing to need the more data of storage; This example has increased external memory; Can be NAND FLASH, NOR FLASH (two kinds of flash memories that structural behaviour is slightly variant) and SDRAM (SRAM), these external memorizers be accomplished the storage of data, program with the LPC2214 on-chip memory.For the ease of with computer system interface; Fill the long preservation of data and form production report etc.; This example also comprises communication interface; Be used to connect computer system and carry out data transmission, cooperate the safe termination of pumping control mechanism in this example to carry out overtemperature or the safety control of superpressure pump trip, guarantee production system safety.
Adopting this example to fill control gear, to fill metering process following:
At first read and fill the container identity information on the electronic tag through rf read-write device.If what this filled container satisfies the condition that fills (for example: fill own property right that whether container is our unit, whether exceeded service life etc.) for information about, just open solenoid valve automatically and begin to fill; In filling process, find to have the over-temp and over-pressure situation to take place just to send the SC sigmal control termination of pumping and send alarm; If do not satisfy any one in the above-mentioned condition, device just refusal is opened solenoid valve alarm simultaneously.Device is closed solenoid valve automatically after filling the filling pressure that reaches given, preserves related data then and uploads data so that management through communication interface.These fill information data and comprise and fill gaseous species (title), filling pressure, fill temperature and fill the date etc.
Claims (7)
1. Permanent gas fills control gear, it is characterized in that, comprises MPU, fills control mechanism, keyboard, display device, pressure-detecting device, temperature-detecting device and rf read-write device; The said control mechanism that fills is connected with MPU, and said keyboard is connected with MPU, and said display device is connected with MPU, and said pressure-detecting device is connected with MPU, and said temperature-detecting device is connected with MPU, and said rf read-write device is connected with MPU;
The said control mechanism that fills is used to connect the Permanent gas pipeline, and the control that fills of Permanent gas is accomplished in the instruction that receives MPU;
Said keyboard is used for input control order, accomplishes man-machine interaction;
Said display device is used for demonstration and fills information and operational order and control command;
Said pressure-detecting device is used to detect filling pressure, and converts pressure parameter into electrical signal and be transferred to MPU;
Said temperature-detecting device is used for detecting and fills temperature, and converts temperature parameter into electrical signal and be transferred to MPU;
Said rf read-write device is used to read the information of radio frequency card, the information that reads to MPU input, and write to radio frequency card and to fill recorded information.
2. Permanent gas according to claim 1 fills control gear, it is characterized in that, the said recorded information that fills comprises and fills gaseous species, filling pressure, fills temperature and fill the date and accomplish this operator that fill and user profile.
3. Permanent gas according to claim 1 fills control gear, it is characterized in that, said pressure-detecting device comprises pressure transducer and AD converter, and said pressure transducer is connected with AD converter, and said AD converter is connected with MPU.
4. Permanent gas according to claim 1 fills control gear, it is characterized in that, said temperature-detecting device comprises temperature transducer and AD converter, and said temperature transducer is connected with AD converter, and said AD converter is connected with MPU.
5. Permanent gas according to claim 1 fills control gear, it is characterized in that, the said control mechanism that fills comprises solenoid valve, and said solenoid valve is connected Permanent gas and fills on the pipeline, and its control end is connected with MPU.
6. fill control gear according to the described Permanent gas of claim 1～5, it is characterized in that, also comprise the interface of communicating by letter with upper-position unit, said interface is connected with MPU.
7. Permanent gas according to claim 6 fills control gear, it is characterized in that, said upper-position unit is made up of computer system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101080273A CN102620136A (en) | 2012-04-13 | 2012-04-13 | Permanent gas filling control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101080273A CN102620136A (en) | 2012-04-13 | 2012-04-13 | Permanent gas filling control system |
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| Publication Number | Publication Date |
|---|---|
| CN102620136A true CN102620136A (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101080273A Pending CN102620136A (en) | 2012-04-13 | 2012-04-13 | Permanent gas filling control system |
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| CN (1) | CN102620136A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650370A (en) * | 2012-05-10 | 2012-08-29 | 昆山市恒安工业气体有限公司 | Gas storage tank pressure monitoring device |
| CN103557434A (en) * | 2013-11-16 | 2014-02-05 | 福建启胜电子科技有限公司 | On-line permanent gas filling monitoring method and system |
| CN103759138A (en) * | 2014-01-18 | 2014-04-30 | 福建启胜电子科技有限公司 | Safe permanent gas cylinder filling system and intelligent management method thereof |
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| CN1169132A (en) * | 1995-01-25 | 1997-12-31 | 尖顶Cng系统公司 | System and method for dispensing pressurized gas |
| US5752552A (en) * | 1996-03-20 | 1998-05-19 | Gas Research Institute | Method and apparatus for dispensing compressed natural gas |
| CN101802480A (en) * | 2007-09-10 | 2010-08-11 | 乔治洛德方法研究和开发液化空气有限公司 | Be used to fill the method for pressure gas containers |
| CN202140793U (en) * | 2011-07-08 | 2012-02-08 | 四川中测流量科技有限公司 | Compressed natural gas (CNC) measuring and controlling system terminal |
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2012
- 2012-04-13 CN CN2012101080273A patent/CN102620136A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169132A (en) * | 1995-01-25 | 1997-12-31 | 尖顶Cng系统公司 | System and method for dispensing pressurized gas |
| US5752552A (en) * | 1996-03-20 | 1998-05-19 | Gas Research Institute | Method and apparatus for dispensing compressed natural gas |
| CN101802480A (en) * | 2007-09-10 | 2010-08-11 | 乔治洛德方法研究和开发液化空气有限公司 | Be used to fill the method for pressure gas containers |
| CN202140793U (en) * | 2011-07-08 | 2012-02-08 | 四川中测流量科技有限公司 | Compressed natural gas (CNC) measuring and controlling system terminal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650370A (en) * | 2012-05-10 | 2012-08-29 | 昆山市恒安工业气体有限公司 | Gas storage tank pressure monitoring device |
| CN103557434A (en) * | 2013-11-16 | 2014-02-05 | 福建启胜电子科技有限公司 | On-line permanent gas filling monitoring method and system |
| CN103557434B (en) * | 2013-11-16 | 2015-10-14 | 福建启胜电子科技有限公司 | Permanent gases fills on-line monitoring method and system |
| CN103759138A (en) * | 2014-01-18 | 2014-04-30 | 福建启胜电子科技有限公司 | Safe permanent gas cylinder filling system and intelligent management method thereof |
| CN103759138B (en) * | 2014-01-18 | 2016-01-20 | 福建启胜电子科技有限公司 | Permanent gas cylinder safely filling system and intelligent management thereof |
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Application publication date: 20120801 |