CN101888718A - Toxic or combustible gas sensor wireless detection network system and monitoring method thereof - Google Patents
Toxic or combustible gas sensor wireless detection network system and monitoring method thereof Download PDFInfo
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Abstract
The invention discloses a toxic or combustible gas sensor wireless detection network system and a monitoring method thereof. The system comprises a wireless gas detection terminal and a monitoring terminal, and is characterized in that: the wireless gas detection terminal communicates with the monitoring terminal through a self-organized network or a data ratio, and comprises a gas sensing module and a wireless transceiver module; and the gas sensing module detects the concentration of a toxic or combustible gas in the ambient environment, and transmits the detected information to the monitoring terminal for communication through the wireless transceiver module. The system can monitor the data of the toxic, harmful and combustible gas in real time through the network simultaneously in field and remotely.
Description
Technical field
The invention belongs to wireless gas sensing instrument development field, be specifically related to a kind of poisonous or combustible gas sensor wireless detection network system and method for supervising thereof.
Background technology
The environmental emergency monitoring plays a part very important in the emergency disposal of contamination accident, requires the accuracy of Monitoring Data and the core work that promptness is accident treatment.In social economy's activity in production, Sudden Pollution Accident happens occasionally, and is especially all implying the burst accident factor in various degree in production, storage and the transportation of petrochemical materials, finished product and poisonous and harmful dangerous material.Industry such as chemical industry, environmental protection has an accident or when running into sudden disaster such as earthquake, fire, flood, will face the situation of poisonous and harmful or combustible gas leakage.After emergent accident processing department received accident alarm, the emergency worker reached the spot, be according to factors such as the toxicity of gas, concentration decision risk range, and with the pollution that reduces biological environment and the loss of property.Therefore, need set up environmental emergency monitoring and warning system, thereby improve the accident emergency prediction scheme, improve the emergency processing ability.
Domestic Environment emergency monitoring treatment facility is also relatively backward at present, equipment such as similar sudden accident gas fast detecting case have been developed abroad with regard to sudden accident, be used for sudden gas leakage accidents and emergency relief, sampling ability and sampling precision have been improved, strengthened the emergent scope of sudden accident, made it be applicable to that more confined space, underground storehouse and pipeline and rescue personnel enter the occasion of comparison danger.Simultaneously, the detection case configuration has the XQC-15E air sampler of 30 meters sampling abilities, with 10 kinds of common toxic, pernicious gas fast detecting pipe, making in about 5 minutes of the rescue personnel can be poisonous to common 10 kinds, pernicious gas carries out fast detecting, for accident treatment provides in time field monitoring data accurately.Though these equipment have solved some problems of gas on-site monitoring to a certain extent, yet owing to do not possess the remote monitoring ability, need the rescue personnel to monitor to the scene, bring certain danger to the rescue personnel.The present invention comes therefrom.
Summary of the invention
The object of the invention is to provide a kind of poisonous or combustible gas sensor wireless detection network system, has solved that poisonous or fuel gas field monitoring brings certain problems such as danger to the rescue personnel in the prior art.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of poisonous or combustible gas sensor wireless detection network system, comprise wireless detection of gas terminal and monitor terminal, it is characterized in that described wireless detection of gas terminal is by self-organization network or data radio station and monitor terminal communication, described wireless detection of gas terminal comprises gas sensing module, radio receiving transmitting module, described gas sensing module detects poisonous or combustable gas concentration in the surrounding environment, and the information that will detect is by radio receiving transmitting module and monitor terminal communication.
Preferably, described wireless detection of gas terminal also comprises digital signal processing module; The digital signal of described digital signal processing module receiver gases sensing module, and digital signal handled the gas information that obtains catching, and send the transmitting-receiving instruction to radio receiving transmitting module.
Preferably, described gas sensing module comprise at least one gas sampling unit and with the sensing element of gas sampling unit matching, behind the gas, sensing element sends digital signal by support circuit to digital signal processing module according to the character of gas in the described gas sampling unit collection surrounding environment.
Preferably, described digital signal processing module comprises microprocessor, described microprocessor is by the digital signal of general purpose I/O interface receiver gases sensing module, determine the gas information that the gas sensing module is caught according to the calculation of parameter of digital signal, and send instruction to wireless transport module described gas information is transmitted to monitor terminal.
Preferably, described radio receiving transmitting module comprises based on the data radio station transceiver module of DSP technology and radiotechnics or based on the MANET transceiver module of packet switching mechanism, and instruction and the monitor terminal of being responsible for receiving digital signal processing module carry out communication transport gas information.
Preferably, described monitor terminal is selected from remote data terminal, field data terminal.
Preferably, described system is the network system that wireless detection of gas terminal and field data terminal constitute; Described wireless detection of gas terminal is by self-organizing network or data radio station and field data terminal called transport gas information realization on-site supervision.
Preferably, described system comprises the network system that several wireless detection of gas terminals, field data terminal and remote data terminal constitute; By self-organizing network or data radio station and field data terminal called, monitor to the remote data terminal by GPRS network and the INTERNET Network Transmission that is communicated with the GPRS network interface by described field data terminal with the gas information that detects for described wireless detection of gas terminal.
Preferably, described system also comprises Surveillance center, INTERNET network and the remote monitoring terminal communication of described Surveillance center by being communicated with the GPRS network interface; Described on-site supervision terminal is by GPRS network and the INTERNET network that is communicated with the GPRS network interface and Surveillance center's communication.
Another object of the present invention is to provide a kind of, it is characterized in that described method comprises based on the poisonous of wireless network or fuel gas method for supervising:
(1) gas information in the surrounding environment is caught in the collection of wireless detection of gas terminal;
(2) wireless detection of gas terminal is transferred to monitor terminal with gas information by self-organizing network or data radio station;
(3) monitor terminal carries out the on-site supervision or the remote monitoring of poisonous or fuel gas according to the gas information that receives.
Certainly can have the GPRS module on each wireless detection of gas terminal, wireless detection of gas terminal room can form GPRS network by the GPRS module.Detection of gas terminal that each is wireless is by GPRS network and on-site supervision terminal called.
Poisonous or combustible gas sensor wireless detection network system of the present invention can launch sensing terminal configuration apace at the scene, control terminal is arranged on safe place, and the assessment emergency worker adopts personal protective measures's safety to enter the operating area that the scene is carried out accident treatment and determined safety as required.Simultaneously, real-time concentration monitor can also provide safe guarantee for the accident treatment personnel, can be according to the variation of field condition, the situation of definite gaseous diffusion in zone widely, change the division of risk range, thereby withdraw from the danger zone in time for peripheral personnel provide real-time alarm.
Except being applied to aspects such as environmental protection emergent accident, fire-fighting and rescue, also there is using value in this system at aspects such as safety in production, the law enforcement that prevents chemical substance harm and chemical weapons anti-terrorisms.The staff also may run into picture oxygen shortage, combustible gas blast, carbon monoxide and the fatal harm of hydrogen sulfide in process of production, some illegal arms and terrorist also can utilize poisonous chemical vapors to endanger public security, when entering certain area of doubt or building, this system can be used for detecting the situation of these chemical substances, to guarantee to enter this regional fail safe.
System of the present invention can be a kind of poisonous, fuel gas monitoring system that possesses MANET and GPRS transmission mode based on radio sensing network the time, like this can integrated highly sensitive sensing and radio network technique, can under complicated site environment, dispose fast, possess the interim emergent gas-monitoring ability of accident.This is wireless, and the detection of gas terminal can comprise the wireless transmitter module of poisonous and harmful, combustible gas sensor, this is wireless, and the detection of gas terminal organizes themselves into the multi-hop wireless sensor network system, it is by poisonous, combustible gas sensor in a large number, and signal processing and wireless transmitter module constitute; Poisonous, combustible gas sensor is responsible for detecting the concentration of toxic gases in the surrounding air, and testing result is exported with digital signaling; Signal processing module is connected by RS-485 serial ports, combustible gas sensor poisonous with in the detection of gas terminal that each is wireless, inquiry according to the fixed time gap periods is poisonous, the testing result of combustible gas sensor, and the multi-hop wireless route that forms by self-organizing reports the on-site supervision terminal with testing result; Simultaneously the gas sensing data pass to Surveillance center and remote monitoring terminal on the Internet by GPRS network, Surveillance center is responsible for the demonstration and the storage of system coordination, sensor object information, all reported datas are carried out the multinode information fusion handle, analyze source of leaks and diffusion tendency thereof poisonous, fuel gas.
This system adopts the multi-hop wireless sensor network of being set up by wireless detection of gas terminal and the self-organizing of on-site supervision terminal: wireless detection of gas terminal is behind power-up initializing, attempt and on-site supervision terminal or the wireless detection of gas terminal communication that adds network around it, join in the network by them, wireless detection of gas terminal is after successfully adding network, except be responsible for reporting by the RS-485 serial ports be attached thereto poisonous, outside the testing result of fuel gas gas sensor, also be responsible for admitting other wireless detection of gas terminal to add network, and responsible relaying transmit free its to admit the needs of the wireless detection of gas terminal that adds network to report to the data of monitor terminal; Behind the on-site supervision terminal electrifying startup, set up one oneself to be the wireless network of administrative center, and begin to admit wireless detection of gas terminal to add network, the on-site supervision terminal is according to the fixed time, periodic maintaining network is removed the inefficacy routing iinformation, adds newly-increased routing iinformation, the on-site supervision terminal receives the data of all wireless detection of gas terminal to report, 255 wireless detection of gas terminals of the maximum receivabilities of on-site supervision terminal.
Detection of gas terminal that this is wireless adopts the ARM chip technology, and to mainboard, CPU adopts 32 ARM9 chips of atmel corp with the system integration, the comprehensive and energy control module power consumption of performance.Wireless detection of gas terminal mainly is made up of gas sensing module, digital signal processing module, wireless communication module, power module four parts.Described power module provides the power supply support for gas sensing module, digital signal processing module, radio receiving transmitting module.
The toxic combustible gas that the present invention is based on radio sensing network is disposed detection system fast, it is the transfer of data multi-hop wireless sensor network system of the self-organizing of a, combustible gas detecting poisonous by poisonous, combustible gas sensor, a large amount of wireless detection of gas terminal in a large number being used for of forming, this system can in time be sent to remote monitoring terminal on the Internet with sensing data by GPRS network simultaneously, thereby remote monitoring function is provided.The native system wireless network adopts GPRS and the design of MANET bimodulus, commercial GPRS wireless transmission, and convenient the deployment and networking enlarges command range and scope, and can guarantee stability of data transmission and fail safe.Destroyed impaired or be subjected to the signal that influences of geographical environment not have the area that covers running into war, geology disaster communications service, had the MANET function, and can carry out the relaying relay and enlarge transmission range.Also the mode that can combine by both from adopting MANET and GPRS transmission manner between node, host node and the control centre respectively, reduces system cost and realizes local and remote monitoring simultaneously.The signal that gas sensor is responsible for front end obtains and handles; Wireless detection of gas terminal and toxic gas sensor pairing are used, be connected with control unit by the RS-485 serial ports, be responsible for reporting the testing result with poisonous, the combustible gas sensor of its pairing, and carry out relaying for other wireless detection of gas terminal around it and transmit; Monitor terminal is responsible for the demonstration and the storage of system coordination, sensor state information, and all reported datas are carried out the multinode information fusion, analyzes the source of leaks and the diffusion tendency thereof of murder by poisoning, fuel gas, powers by the lithium battery DC power system.The present invention adopts transfer of data multi-hop relay forwarding mechanism+GPRS, has effectively overcome the shortcoming that wireless transmission distance is limited, be blocked easily, is applicable to the applied environment of various complexity.
With respect to scheme of the prior art, advantage of the present invention is:
The wireless sensor network system that technical solution of the present invention is used for poisonous and combustible gas detecting can reach long-range simultaneously by network real-time monitoring poisonous and harmful and fuel gas data at the scene.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the network topological diagram of the poisonous or combustible gas sensor wireless detection network system of the embodiment of the invention;
Fig. 2 is the structural representation of the wireless detection of gas terminal of the embodiment of the invention;
Fig. 3 is the control circuit figure of the wireless detection of gas terminal of the embodiment of the invention.
Embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment is shown in Fig. 1～3, this poisonous or combustible gas sensor wireless detection network system is on-site supervision and remote monitoring integrated system, comprise wireless detection of gas terminal and monitor terminal, described wireless detection of gas terminal and monitor terminal pass through wireless network communication, described wireless detection of gas terminal comprises gas sensing module, radio receiving transmitting module, digital signal processing module, described gas sensing module detects poisonous or combustable gas concentration in the surrounding environment, and the information that will detect is by radio receiving transmitting module and monitor terminal communication.Described wireless detection of gas terminal is by self-organizing network and on-site supervision terminal called.The digital signal of described digital signal processing module receiver gases sensing module, and digital signal handled the gas information that obtains catching, and send the transmitting-receiving instruction to radio receiving transmitting module.
The gas sensing module comprise at least one gas sampling unit and with the sensing element of gas sampling unit matching, behind the gas, sensing element sends digital signal by support circuit to digital signal processing module according to the character of gas in the described gas sampling unit collection surrounding environment.Described digital signal processing module comprises microprocessor, described microprocessor is by the digital signal of general purpose I/O interface receiver gases sensing module, determine the gas information that the gas sensing module is caught according to the calculation of parameter of digital signal, and send instruction to wireless transport module described gas information is transmitted to monitor terminal.Described radio receiving transmitting module comprises the MANET transceiver module based on packet switching mechanism, and instruction and the monitor terminal of being responsible for the reception digital signal processing module carry out communication transport gas information.
Monitor terminal comprises Surveillance center, remote data terminal, field data terminal.The on-site supervision system is the network system that wireless detection of gas terminal and field data terminal constitute; Described wireless detection of gas terminal realizes on-site supervision by self-organizing network and field data terminal called transport gas information.Described system comprises the network system that several wireless detection of gas terminals, field data terminal and remote data terminal constitute; By self-organizing network and field data terminal called, monitor to the remote data terminal by GPRS network and the INTERNET Network Transmission that is communicated with the GPRS network interface by described field data terminal with the gas information that detects for described wireless detection of gas terminal.INTERNET network and the remote monitoring terminal communication of described Surveillance center by being communicated with the GPRS network interface; Described on-site supervision terminal is by GPRS network and the INTERNET network that is communicated with the GPRS network interface and Surveillance center's communication.
Toxic combustible gas sensor is responsible for detecting the concentration of toxic gases in the surrounding air, and testing result is exported with digital signaling; Signal processing module is connected by RS-485 serial ports, combustible gas sensor poisonous with in the detection of gas terminal that each is wireless, inquiry according to the fixed time gap periods is poisonous, the testing result of combustible gas sensor, and wireless transport module reports monitor terminal by the multi-hop wireless route that self-organizing network forms with testing result; Simultaneously the gas sensing data pass to server on the Internet by GPRS network, server is responsible for the demonstration and the storage of system coordination, sensor object information, all reported datas are carried out the multinode information fusion handle, analyze source of leaks and diffusion tendency thereof poisonous, fuel gas.
The process of self-organization network is as follows: wireless detection of gas terminal is behind power-up initializing, trial and monitor terminal or the wireless detection of gas terminal communication that adds network around it, join in the network by them, wireless detection of gas terminal is after successfully adding network, except be responsible for reporting by the RS-485 serial ports be attached thereto poisonous, outside the testing result of fuel gas gas sensor, also be responsible for admitting other wireless detection of gas terminal to add network, and responsible relaying transmit free its to admit the needs of the wireless detection of gas terminal that adds network to report to the data of monitor terminal; Behind the monitor terminal electrifying startup, set up one oneself to be the wireless network of administrative center, and begin to admit wireless detection of gas terminal to add network, monitor terminal is according to the fixed time, periodic maintaining network is removed the inefficacy routing iinformation, adds newly-increased routing iinformation, monitor terminal receives the data of all wireless detection of gas terminal to report, 255 wireless detection of gas terminals of the maximum receivabilities of monitor terminal.
Signal processing module CPU adopts the ARM chip technology, and to mainboard, CPU adopts 32 ARM9 chips of atmel corp in the present embodiment with the system integration, the comprehensive and energy control module power consumption of performance.Power module provides the power supply support for gas sensing module, digital signal processing module, radio receiving transmitting module.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (10)
1. poisonous or combustible gas sensor wireless detection network system, comprise wireless detection of gas terminal and monitor terminal, it is characterized in that described wireless detection of gas terminal is by self-organization network or data radio station and monitor terminal communication, described wireless detection of gas terminal comprises gas sensing module, radio receiving transmitting module, described gas sensing module detects poisonous or combustable gas concentration in the surrounding environment, and the information that will detect is by radio receiving transmitting module and monitor terminal communication.
2. poisonous or combustible gas sensor wireless detection network system according to claim 1 is characterized in that described wireless detection of gas terminal also comprises digital signal processing module; The digital signal of described digital signal processing module receiver gases sensing module, and digital signal handled the gas information that obtains catching, and send the transmitting-receiving instruction to radio receiving transmitting module.
3. poisonous or combustible gas sensor wireless detection network system according to claim 2, it is characterized in that described gas sensing module comprise at least one gas sampling unit and with the sensing element of gas sampling unit matching, behind the gas, sensing element sends digital signal by support circuit to digital signal processing module according to the character of gas in the described gas sampling unit collection surrounding environment.
4. poisonous or combustible gas sensor wireless detection network system according to claim 2, it is characterized in that described digital signal processing module comprises microprocessor, described microprocessor is by the digital signal of general purpose I/O interface receiver gases sensing module, determine the gas information that the gas sensing module is caught according to the calculation of parameter of digital signal, and send instruction to wireless transport module described gas information is transmitted to monitor terminal.
5. poisonous or combustible gas sensor wireless detection network system according to claim 2, it is characterized in that described radio receiving transmitting module comprises based on the data radio station transceiver module of DSP technology and radiotechnics or based on the MANET transceiver module of packet switching mechanism, instruction and the monitor terminal of being responsible for receiving digital signal processing module carry out communication transport gas information.
6. poisonous or combustible gas sensor wireless detection network system according to claim 1 is characterized in that described monitor terminal is selected from remote data terminal, field data terminal.
7. poisonous or combustible gas sensor wireless detection network system according to claim 6 is characterized in that described system is the network system that wireless detection of gas terminal and field data terminal constitute; Described wireless detection of gas terminal is by self-organizing network or data radio station and field data terminal called transport gas information realization on-site supervision.
8. poisonous or combustible gas sensor wireless detection network system according to claim 6 is characterized in that described system comprises the network system that several wireless detection of gas terminals, field data terminal and remote data terminal constitute; By self-organizing network or data radio station and field data terminal called, monitor to the remote data terminal by GPRS network and the INTERNET Network Transmission that is communicated with the GPRS network interface by described field data terminal with the gas information that detects for described wireless detection of gas terminal.
9. poisonous or combustible gas sensor wireless detection network system according to claim 8 is characterized in that described system also comprises Surveillance center, INTERNET network and the remote monitoring terminal communication of described Surveillance center by being communicated with the GPRS network interface; Described on-site supervision terminal is by GPRS network and the INTERNET network that is communicated with the GPRS network interface and Surveillance center's communication.
10. one kind based on the poisonous of wireless network or fuel gas method for supervising, it is characterized in that described method comprises:
(1) gas information in the surrounding environment is caught in the collection of wireless detection of gas terminal;
(2) wireless detection of gas terminal is transferred to monitor terminal with gas information by self-organizing network or data radio station;
(3) monitor terminal carries out the on-site supervision or the remote monitoring of poisonous or fuel gas according to the gas information that receives.
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| CN102121933A (en) * | 2010-11-30 | 2011-07-13 | 聚光科技(杭州)股份有限公司 | Detection system and method |
| CN102798700A (en) * | 2012-08-07 | 2012-11-28 | 上海斐讯数据通信技术有限公司 | Mobile terminal with harmful substance detection system and harmful substance detection method |
| CN103581291A (en) * | 2013-08-30 | 2014-02-12 | 华中师范大学 | Device monitor system and method based on ZigBee under metal closed environment |
| CN103838210A (en) * | 2014-02-25 | 2014-06-04 | 北京理工大学 | Emergency scene poisonous gas remote wireless monitoring system and method |
| CN104502549A (en) * | 2015-01-14 | 2015-04-08 | 成都海兰天澄科技有限公司 | Online automatic monitoring system for exhaust gas |
| CN104932465A (en) * | 2015-05-20 | 2015-09-23 | 安庆师范学院 | Internet of things-based remote monitoring system and remote monitoring method for industrial hydrogen fluoride |
| CN105445367A (en) * | 2015-12-30 | 2016-03-30 | 桂林斯壮微电子有限责任公司 | Hydrogen detection system |
| CN106197859A (en) * | 2016-07-04 | 2016-12-07 | 重庆大学 | A kind of gas source localization method considering that the confined space retrains |
| CN106248876A (en) * | 2016-07-29 | 2016-12-21 | 广西安讯科技投资有限公司 | Fuel gas Internet of Things intelligent network monitoring data system |
| CN108830500A (en) * | 2018-06-26 | 2018-11-16 | 山东睿益环境技术有限公司 | A kind of emergence treating method and its application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121933A (en) * | 2010-11-30 | 2011-07-13 | 聚光科技(杭州)股份有限公司 | Detection system and method |
| CN102798700A (en) * | 2012-08-07 | 2012-11-28 | 上海斐讯数据通信技术有限公司 | Mobile terminal with harmful substance detection system and harmful substance detection method |
| CN103581291A (en) * | 2013-08-30 | 2014-02-12 | 华中师范大学 | Device monitor system and method based on ZigBee under metal closed environment |
| CN103581291B (en) * | 2013-08-30 | 2016-08-10 | 华中师范大学 | Equipment monitoring system based on ZigBee and monitoring method thereof under metal enclosed environment |
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| CN103838210B (en) * | 2014-02-25 | 2017-01-04 | 北京理工大学 | Remote wireless monitoring system and method for toxic gas in emergency site |
| CN104502549B (en) * | 2015-01-14 | 2016-02-17 | 成都海兰天澄科技有限公司 | A kind of flue gas online auto monitoring system |
| CN104502549A (en) * | 2015-01-14 | 2015-04-08 | 成都海兰天澄科技有限公司 | Online automatic monitoring system for exhaust gas |
| CN104932465A (en) * | 2015-05-20 | 2015-09-23 | 安庆师范学院 | Internet of things-based remote monitoring system and remote monitoring method for industrial hydrogen fluoride |
| CN105445367A (en) * | 2015-12-30 | 2016-03-30 | 桂林斯壮微电子有限责任公司 | Hydrogen detection system |
| CN106197859A (en) * | 2016-07-04 | 2016-12-07 | 重庆大学 | A kind of gas source localization method considering that the confined space retrains |
| CN106197859B (en) * | 2016-07-04 | 2020-04-07 | 重庆大学 | Gas source positioning method considering limited space constraint |
| CN106248876A (en) * | 2016-07-29 | 2016-12-21 | 广西安讯科技投资有限公司 | Fuel gas Internet of Things intelligent network monitoring data system |
| CN108830500A (en) * | 2018-06-26 | 2018-11-16 | 山东睿益环境技术有限公司 | A kind of emergence treating method and its application |
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Application publication date: 20101117 |