CN101545897A - Gas monitoring system based on ZigBee technology - Google Patents

Gas monitoring system based on ZigBee technology Download PDF

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Publication number
CN101545897A
CN101545897A CN200910064700A CN200910064700A CN101545897A CN 101545897 A CN101545897 A CN 101545897A CN 200910064700 A CN200910064700 A CN 200910064700A CN 200910064700 A CN200910064700 A CN 200910064700A CN 101545897 A CN101545897 A CN 101545897A
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data
monitoring system
wireless communication
communication module
main equipment
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CN200910064700A
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汤雄
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a gas monitoring system based on ZigBee technology, which comprises at least one wireless detection node and a main device, and is characterized in that: the wireless detection node consists of a microprocessor, a wireless communication module and a data acquisition unit; and the main device consists of a microprocessor and a wireless communication module, is connected with a computer and can send the acquired data to the computer. The wireless detection node and the main device are all provided with the wireless communication module, and can provide real-time, high-speed and reliable data communication service and complete the collection and processing of various parameters of gases. By utilizing the ZigBee wireless technology, the gas monitoring system not only can realize detection on the concentration, temperature, humidity and pressure of various gases, but also has the advantages of low cost, low power consumption, convenient installation, flexible application, strong expandability and the like compared with the conventional wired monitoring system.

Description

Gas monitoring system based on the ZigBee technology
Technical field
The present invention relates to a kind of wireless network monitoring technology and automatic control system, relate in particular to a kind of wireless gas monitoring system.
Background technology
A lot of gas concentrations or pressure monitor equipment are arranged at present on the market, for example carbon dioxide detector, Fuel Gas Leak Alarm etc., but these gas monitors fall behind because of adopting the classic method manufacturing, detecting, and bulky, power consumption is big, costs an arm and a leg.Enterprise's harmful gas concentration supervisory system, if the measurement and control host computer distance detecting target of supervision center is far, the distance of bus laying can be very big so, hardware input cost, operating cost and maintenance cost all can be very high.If the distribution of the sensor that is used to detect relatively disperses, the wiring amount will be multiplied, and all kinds of costs also can be multiplied.And having simple in structurely based on the wireless sensor network of ZigBee, volume is little, and is low in energy consumption, the characteristics that cost is low.This shows, the gas monitoring system of a kind of radio sensing network technology based on ZigBee of development and Design, not only can the flexible arrangement sensor node, directly or indirectly concentrate and transmit airborne various safety index information to network coordinator by sink nodes, upload to supervision control center by network coordinator through data transmission network again, can save the bus laying greatly, reduce the hardware input cost, thereby reduce the generation of accident.
ZigBee is the radio network technique of a kind of emerging short distance, low-power consumption, low data rate, low cost, low complex degree, also is a kind of technology motion between radio mark technology and bluetooth simultaneously.It is mainly used in fields such as automatic control, sensing, monitoring and Long-distance Control, is a kind of wireless connect technology that uses for fixing, portable or mobile device of cheapness.It has the radio standard of oneself, coordinates to realize communication between thousands of small sensors mutually.These sensors only need energy seldom, by radiowave data are passed to another sensor from a sensor in the mode of relay, so their communication efficiency is very high.At last, these data just can enter computing machine and are used for analyzing or collected by another wireless technology such as WiMax.
Summary of the invention
The purpose of this invention is to provide a kind ofly provide in real time, at a high speed, the service of data wireless transmission reliably, realize the automatic monitoring of all gases.
A kind of gas monitoring system based on the ZigBee technology, comprise at least one radio detection node and a main equipment, it is characterized in that the radio detection node is made up of microprocessor, wireless communication module and data acquisition unit, wireless communication module is connected with microprocessor respectively with data acquisition unit, and microprocessor can come the duty of control data collector according to the control command of the main equipment that receives; The duty of radio detection node is divided into work and dormancy two states.The radio detection node will be sent to described main equipment by the measurement data that data acquisition unit collects by described wireless communication module, main equipment is made up of microprocessor and wireless communication module, be connected with PC, wireless communication module is connected with microprocessor, main equipment receives the measurement data that described radio detection node sends by wireless communication module, and described measurement data is sent to PC, further handle by PC.Operation has data management software on the PC, for the user provides the interface of the data access in the gas monitor network, and can visit the measurement data of all radio detection nodes in the ZigBee gas monitor network by main equipment, and with the data preservation, for the user provides data query, analysis or report generation service.Radio detection node and main equipment are formed the wireless gas monitor network of ZigBee jointly.
Described wireless communication module is the communication unit that meets the ZigBee wireless communication standard.
Described data acquisition unit is including, but not limited to being used for the sensor of detected gas concentration, temperature, humidity and pressure.
System of the present invention is when work, be positioned at the measurement data of the radio detection node of surveyed area with the data acquisition unit collection, after microprocessor processes, send to main equipment by wireless communication module, main equipment is delivered to products for further processing on the computing machine to the measurement data that receives.Main equipment can be by wireless communication module to radio detection node transmitting control commands simultaneously, the duty of control radio detection node.Microprocessor on the radio detection node receives that by wireless communication module the duty of control data collector is dormancy or work after the control command, and this mode of operation that activates as required can reach the purpose that reduces power consumption.
The above-mentioned gas supervisory system utilizes the ZigBee wireless technology not only can realize the detection of concentration, temperature, humidity and pressure to all gases, and with respect to traditional wired monitoring system, have low cost, low-power consumption, be convenient to advantages such as installation, applying flexible, possess very strong extendability.
Description of drawings
Fig. 1 is based on the gas monitoring system synoptic diagram of ZigBee technology
Fig. 2 is a radio detection node hardware structure diagram of the present invention
Fig. 3 is a main equipment hardware structure diagram of the present invention
Fig. 4 is the software flow pattern of main equipment of the present invention
Fig. 5 is the software flow pattern of radio detection node of the present invention
Embodiment
Be described in detail hereinafter with reference to the structure and the operating procedure of accompanying drawing the gas monitoring system based on the ZigBee technology of the present invention.
As shown in Figure 1, of the present inventionly comprise that based on the wireless monitor network in the gas monitoring system of ZigBee technology radio detection node 1 and main equipment 2 form.When the single zone of monitoring, detection node 1 and main equipment 2 are formed the hub-and-spoke network topology structure, and radio detection node 1 freely adds or outstanding wireless monitor network, and main equipment 2 receives the data of radio detection node 1 transmission and shows in real time on LCD; The user can the direct control main equipment, also can control main equipment by computer software.During the monitoring multizone, form mesh network by main equipment 2 and radio detection node 1 in total main equipment 2 and each zone, main equipment 2 can serve as router node in the zone, when other regional radio detection nodes 1 too far exceed communication distance with main equipment 2, communicate by letter with main equipment 2 by other radio detection nodes 1 automatically when perhaps interrupt at the networking, place.
As shown in Figure 2, the internal module annexation of radio detection node 1 is: microprocessor is connected with storer, data acquisition unit, wireless communication module respectively, and antenna is connected with wireless communication module.Wireless communication module is the communication unit that meets the ZigBee wireless communication standard, adopts sleep block to be used for increasing the service life.Data acquisition unit can be selected the sensor of low-power consumption, and the numerical value input microprocessor after changing with collecting radios to main equipment 2 after treatment.Detection node adopts No. 7 powered battery of two joint 1.5V, if the sampling period is 30 seconds, promptly uses sleep block, and then the life-span on probation of radio detection node 1 is about 3 years.
As shown in Figure 3, the internal module annexation of main equipment 2 is: microprocessor is connected with storer, LCD, wireless communication module and PC respectively, and antenna is connected with wireless communication module.Power supply main equipment 2 is set up the PAN network after powering on, allow 1 adding of radio detection joint in the communication context to form no l network.Management system software on the PC is used for the management and the control of all radio detection nodes 1 and main equipment 2.Main equipment 2 adopts not sleep block, owing to link to each other with PC, is therefore got final product by the PC power supply.Operation has data management software on the PC, for the user provides the interface of the data access in the gas monitor network, and can pass through the measurement data that main equipment (2) is visited all radio detection nodes 1 in the ZigBee gas monitor network, and with the data preservation, for the user provides data query, analysis or report generation service.
As shown in Figure 4, main equipment 2 is initiation persons of foundation of wireless monitor network, and its software implementing course is as follows: main equipment 2 begins to set up new PAN network after the software and hardware initialization, channel searching and display network ID number and channel.Enter wireless monitor status surveillance on-air radio signal then, and the beginning circulating treatment procedure: whether scanning has 1 request of wireless detection node to add network, if any and be confirmed to be radio detection node 1, then allow it to add network and distribute 16 network addresss; Receive the measurement data of radio detection node 1 transmission that has networked simultaneously, and send to the PC that has connected through data processing; And detect the control command whether PC is arranged, if any the router that then carries out control command.
As shown in Figure 5, the implementation procedure of the software flow pattern of radio detection node 1 is as follows: radio detection node 1 sends the signal that adds the PAN network that main equipment sets up after initialization, adds unsuccessfully to continue to send request and add network signal, until adding successfully.Then obtain 16 network addresss that main equipment 2 distributes after adding successfully, enter cyclic process afterwards: radio detection node 1 normally moves, by wireless communication module measurement data is sent to main equipment 2 through handling after the measurement data of reading of data collector, this radio detection node changes dormant state over to after being sent completely, after being activated, the switch control command that wait is sent by main equipment 2 enters normal operating condition, the measurement data of reading of data collector sends to main equipment once more, and then change dormant state over to, the process that waits measurement data acquisition of carrying out next time to be activated to send.

Claims (8)

1. gas monitoring system, comprise at least one a radio detection node (1) and a main equipment (2), it is characterized in that: described radio detection node (1) has microprocessor, wireless communication module and at least one data acquisition unit are formed, radio detection node (1) will be sent to described main equipment (2) by the measurement data that data acquisition unit collects by described wireless communication module, described main equipment (2) has wireless communication module, be connected with PC, described main equipment (2) receives the measurement data that described radio detection node (1) sends by wireless communication module, and described measurement data is sent to PC, wherein said wireless communication module is the communication unit that meets the ZigBee wireless communication standard, and described radio detection node (1) is formed the wireless gas monitor network of ZigBee jointly with main equipment (2).
2. gas monitoring system as claimed in claim 1, it is characterized in that: described wireless communication module is divided into sleep block and non-sleep block, described sleep block powered battery, thus must reduce the power consumption extending battery life by long-time dormancy; Described not sleep block is meant by stable power power supply, sustainable work and do not need dormancy.
3. gas monitoring system as claimed in claim 1 is characterized in that: described data acquisition unit can be to be used for the sensor of detected gas concentration, temperature, humidity and pressure.
4. gas monitoring system as claimed in claim 1 is characterized in that: described PC has data management software, and being used to preserve described measurement data provides described measurement data access interface for the user.
5. gas monitoring system as claimed in claim 4, it is characterized in that: described data management software is meant the application software based on the PC platform, for the user provides described measurement data access interface, and can pass through the measurement data that main equipment (2) is visited all radio detection nodes in the ZigBee gas monitor network, and with the data preservation, for the user provides data query, analysis or report generation service.
6. gas monitoring system as claimed in claim 2, it is characterized in that: extend the life of a cell thereby described dormancy is meant the duty that equipment enters low-power consumption, under this duty, equipment undo and data processing do not respond any incident except wake events.
7. gas monitoring system as claimed in claim 6, it is characterized in that: describedly wake the particular event that is meant device responds up, return to the process of normal operating condition from dormant state, equipment comes back to dormancy state continuation operation before after being waken up, can normally receive, transmission or deal with data, and the data of device interior can not lose because of dormancy or change.
8. gas monitoring system as claimed in claim 1 is characterized in that: described measurement data is meant the series of values that can describe measured physics measure feature and the unit corresponding with these data.
CN200910064700A 2009-04-14 2009-04-14 Gas monitoring system based on ZigBee technology Pending CN101545897A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101888413A (en) * 2010-07-08 2010-11-17 河北工业大学 Leakage monitoring and positioning early-warning system in petrochemical industry and establishment method thereof
WO2011113266A1 (en) * 2010-03-19 2011-09-22 中兴通讯股份有限公司 Terminal, network side equipment and system for internet of things
CN102316607A (en) * 2010-06-29 2012-01-11 株式会社巨东企业 Use comprehensive monitoring, control device and the method for the hot pursuit system of purple honeybee communication
CN102401671A (en) * 2010-09-17 2012-04-04 北京航空航天大学 Wireless adaptive temperature sensor with functions of network testing and displaying
CN102661760A (en) * 2012-05-16 2012-09-12 苏州麦迪斯顿医疗科技有限公司 Acquiring system for parameters of equipment in supply chamber
US8330605B2 (en) 2009-08-14 2012-12-11 Accenture Global Services Limited System for providing real time locating and gas exposure monitoring
CN102866233A (en) * 2012-10-11 2013-01-09 南京艾酷派物联网有限公司 Remote real-time vehicle exhaust emission monitoring device
US8451120B2 (en) 2009-08-14 2013-05-28 Accenture Global Services Limited System for relative positioning of access points in a real time locating system
CN103209501A (en) * 2013-04-16 2013-07-17 杭州三云科技有限公司 Kiln smoke detecting system based on wireless sensor network
CN103389361A (en) * 2013-07-25 2013-11-13 王康 Gas monitoring, prewarning and analyzing system and method
CN104052965A (en) * 2013-03-11 2014-09-17 霍尼韦尔国际公司 Apparatus and method to switch a video call to an audio call
CN104849407A (en) * 2015-05-13 2015-08-19 许金兰 Portable multifunctional air quality detector and realizing method thereof
CN105203722A (en) * 2015-11-13 2015-12-30 上海斐讯数据通信技术有限公司 Distributed formaldehyde concentration monitoring device and method based on CAN (Controller Area Network) bus
TWI559807B (en) * 2014-09-22 2016-11-21 台達電子工業股份有限公司 Wireless management and communication network system for multi-zones and managing method for the network system
CN106413065A (en) * 2016-12-05 2017-02-15 浙江科技学院 Control method of low-power-consumption wireless sensor network system
US10957180B2 (en) 2017-05-12 2021-03-23 Robert Levine Confined space failsafe access system

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9235974B2 (en) 2009-08-14 2016-01-12 Accenture Global Services Limited System for providing real time locating and gas exposure monitoring
US9189944B2 (en) 2009-08-14 2015-11-17 Accenture Global Services Limited System for providing real time locating and gas exposure monitoring
US9019104B2 (en) 2009-08-14 2015-04-28 Accenture Global Services Limited System for relative positioning of access points in a real time locating system
US8330605B2 (en) 2009-08-14 2012-12-11 Accenture Global Services Limited System for providing real time locating and gas exposure monitoring
US9147330B2 (en) 2009-08-14 2015-09-29 Accenture Global Services Limited System for providing real time locating and gas exposure monitoring
US8400317B2 (en) 2009-08-14 2013-03-19 Accenture Global Services Limited System for providing real time locating and gas exposure monitoring
US8451120B2 (en) 2009-08-14 2013-05-28 Accenture Global Services Limited System for relative positioning of access points in a real time locating system
US10210738B2 (en) 2009-08-14 2019-02-19 Accenture Global Services Limited System for providing real time locating and gas exposure monitoring
US9754472B2 (en) 2009-08-14 2017-09-05 Accenture Global Services Limited System for providing real time locating and gas exposure monitoring
WO2011113266A1 (en) * 2010-03-19 2011-09-22 中兴通讯股份有限公司 Terminal, network side equipment and system for internet of things
CN102316607A (en) * 2010-06-29 2012-01-11 株式会社巨东企业 Use comprehensive monitoring, control device and the method for the hot pursuit system of purple honeybee communication
CN101888413A (en) * 2010-07-08 2010-11-17 河北工业大学 Leakage monitoring and positioning early-warning system in petrochemical industry and establishment method thereof
CN102401671A (en) * 2010-09-17 2012-04-04 北京航空航天大学 Wireless adaptive temperature sensor with functions of network testing and displaying
CN102661760A (en) * 2012-05-16 2012-09-12 苏州麦迪斯顿医疗科技有限公司 Acquiring system for parameters of equipment in supply chamber
CN102866233A (en) * 2012-10-11 2013-01-09 南京艾酷派物联网有限公司 Remote real-time vehicle exhaust emission monitoring device
CN104052965A (en) * 2013-03-11 2014-09-17 霍尼韦尔国际公司 Apparatus and method to switch a video call to an audio call
CN104052965B (en) * 2013-03-11 2018-09-18 霍尼韦尔国际公司 Device and method for video call to be switched to audio call
CN103209501A (en) * 2013-04-16 2013-07-17 杭州三云科技有限公司 Kiln smoke detecting system based on wireless sensor network
CN103389361B (en) * 2013-07-25 2016-12-28 王康 Gas monitor, early warning and analysis system and gas monitor, early warning and analysis method
CN103389361A (en) * 2013-07-25 2013-11-13 王康 Gas monitoring, prewarning and analyzing system and method
TWI559807B (en) * 2014-09-22 2016-11-21 台達電子工業股份有限公司 Wireless management and communication network system for multi-zones and managing method for the network system
US10091300B2 (en) 2014-09-22 2018-10-02 Delta Electronics, Inc. Wireless management and communication network system for multi-zones and managing method for the network system
CN104849407A (en) * 2015-05-13 2015-08-19 许金兰 Portable multifunctional air quality detector and realizing method thereof
CN105203722A (en) * 2015-11-13 2015-12-30 上海斐讯数据通信技术有限公司 Distributed formaldehyde concentration monitoring device and method based on CAN (Controller Area Network) bus
CN106413065A (en) * 2016-12-05 2017-02-15 浙江科技学院 Control method of low-power-consumption wireless sensor network system
CN106413065B (en) * 2016-12-05 2019-10-01 浙江科技学院 The control method of low-consumption wireless sensing network system
US10957180B2 (en) 2017-05-12 2021-03-23 Robert Levine Confined space failsafe access system

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Application publication date: 20090930