CN201993905U - ZigBee network-based temperature online monitoring and early-warning system - Google Patents
ZigBee network-based temperature online monitoring and early-warning system Download PDFInfo
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- CN201993905U CN201993905U CN2011200994837U CN201120099483U CN201993905U CN 201993905 U CN201993905 U CN 201993905U CN 2011200994837 U CN2011200994837 U CN 2011200994837U CN 201120099483 U CN201120099483 U CN 201120099483U CN 201993905 U CN201993905 U CN 201993905U
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Abstract
The utility model relates to a ZigBee network-based temperature online monitoring and early-warning system which comprises a wireless temperature measuring terminal, monitoring extension sets, a monitoring host, a monitoring center and the like. The computer data management technology, the wireless communication technology, the temperature sensing technology and the like are integrated into a whole, the temperature of a high-voltage device can be monitored in an all-weather manner, alarm signals can be emitted against temperature abnormalities, and an operator on duty can be reminded of taking measures in time, thereby performing device maintenance in a targeted manner, reducing the failure rate of the device, prolonging the service life of the device, greatly enhancing the precognition and pre-control capability of the production device, reducing the labor intensity of operation staff, effectively avoiding the occurrence of accidents and improving the safety operation level of the device.
Description
Technical field
The utility model relates to a kind of on-line temperature monitoring early warning system of power plant or transformer station's contact.
Background technology
In power plant and transformer station a lot of switch cubicle overheat accidents have taken place, caused fire and large-area power outage, solving the switch cubicle problems of excessive heat is to stop the key that this type of accident takes place.Ruuning situation by contact temperature in the monitoring switch cubicle, the fire that can effectively prevent switch cubicle takes place, but because the structure of switch cubicle inner high voltage, the thermometric of can't manually patrolling, in addition, check that when the power failure overhaul situation of each electric shock was both time-consuming, expense is also very high, and disintegrate and ressemble also and can cause new defective, production brings great potential safety hazard to electric power safety.A kind of wireless humiture observation system patent No. based on the Zigbee technology provides a kind of wireless humiture observation system based on the Zigbee technology for 200920006909.2, comprise the supervisory control comuter that is used to inquire about, monitor, set humiture data alarming threshold value etc., the acquisition module that is used to gather airborne temperature-humidity signal, to the supervisory control comuter switching with transmit the gateway of humiture data, described acquisition module adopts Zigbee communication protocol to be connected communication with gateway, and described gateway is connected with supervisory control comuter by network.Based on the temperature of oil in transformer on-line monitoring system patent No. of ZigBee is 201020216280.7 to comprise monitoring base station, and monitoring base station and temperature monitor are set up WLAN by ZigBee, and monitoring base station is also by GPRS and Surveillance center's wireless connections.
Summary of the invention
The utility model proposes a kind of on-line temperature monitoring early warning system comprehensive, that maintenance cost is low, reliability is high of measuring based on the ZigBee network.The utility model combines wireless radio frequency modules and temperature sensor DS18B20, by the wireless temperature measurement terminal,, composition such as monitoring unit main frame, monitoring center.
The utility model is achieved by the following technical solution.
Based on the on-line temperature monitoring early warning system of ZigBee network, the utility model is characterised in that: connect and constituted by Surveillance center, monitoring unit main frame, wireless temperature measurement terminal three parts polyphone; Wherein Surveillance center is connected with more than one monitoring unit main frame by RS485 or 232 buses, and each monitoring unit main frame all passes through the ZigBee network and is connected with the wireless temperature measurement terminal.
The utility model wireless temperature measurement terminal is formed by connecting wherein with wireless data transfer module, temperature survey part, power unit respectively by control module, and power unit also partly is connected with temperature survey with wireless data transfer module respectively; Control module adopts the TI-Chipcon CC2430 of company chip, the band antenna that it is suitable that wireless data transfer module utilizes the CC2430 chip configuration utilizes the Zigbee network to transmit, the DS18B20 sensor that temperature survey partly adopts DALLAS semiconductor company to produce.It has characteristics such as volume is little, precision is high, interface is convenient, long transmission distance the DS18B20 sensor, and power unit mainly adopts accumulator to power.
The utility model monitoring unit main frame is formed by connecting with wireless receiving module, power module, Temperature Humidity Sensor, sound and light alarm module, LCD MODULE, key-press module, serial interface module respectively by the controller module that adopts the LPC2132 chip, the monitoring unit main frame is responsible for receiving the temperature data that each wireless temperature measurement terminal is measured and sent out, and by RS485 or 232 buses connect, the order of response monitoring center, and data upload to supervisory computer, shared data.
The utility model Surveillance center is made up of industrial computer and management software.
The beneficial effects of the utility model are, integrate computer data management technology, wireless communication technology, temperature sensor technology etc., high voltage, highfield interference have been solved, can round-the-clock monitoring high-tension apparatus temperature, can report to the police in that temperature is out-of-limit, have temperature variation and analyze Presentation Function, can call the monitoring point temperature data at any time.Really accomplished the remote remote measurement of temperature, maintenance provides foundation to status of electric power, to guaranteeing the power equipment safety operation significant meaning is arranged.
Further set forth the utility model content below in conjunction with drawings and Examples.
Description of drawings:Fig. 1 is the utility model general structure synoptic diagram;
Fig. 2 is the typical application circuit of CC2430 chip;
Fig. 3 is the monitoring unit host structure chart;
Fig. 4 wireless temperature measurement terminal structure synoptic diagram.
Embodiment:
The utility model total system is to be that core is carried out the terminal node temperature data acquisition with LPC2132 high speed processor in the monitoring unit main frame, and the data communication between wireless communication module and the host computer controlled, realized the function of wireless multi-path temperature data acquisition.Concrete total figure as shown in Figure 1.
In the utility model system, high-tension apparatus is easily generated heat electric connecting point as measurement point, be equiped with n wireless temperature measurement terminal altogether, this n wireless temperature measurement terminal is connected on the monitoring unit main frame jointly, they adopt wireless ZigBee network to communicate, and m the monitoring unit main frame at the scene of being installed in is connected in the Surveillance center by the mode of RS232 or RS485.
1 wireless temperature measurement terminal
The wireless temperature measurement terminal is made up of control module, wireless data transfer module, temperature survey part, power unit, control module adopts the TI-Chipcon CC2430 of company chip, the band antenna that it is suitable that wireless data transfer module mainly utilizes the CC2430 chip configuration utilizes the Zigbee network to transmit, the DS18B20 sensor that temperature survey partly adopts DALLAS semiconductor company to produce, characteristics such as volume is little, precision is high, interface is convenient, long transmission distance that it has.Power unit mainly adopts accumulator to power.
The wireless temperature measurement terminal is responsible for gathering the temperature data of monitoring point, and by the Zigbee network mode image data is sent to the monitoring unit main frame.The wireless temperature measurement terminal mainly is installed in the cable end of the big heating easily of load current, the positions such as lock, main-transformer extension line of operating.Each wireless temperature measurement terminal has unique ID numbering, the infield that need write down each terminal during actual installation, and deposit in the temperature monitoring workstation computer database with terminal number.Terminal (can be set in advance) at regular intervals and launch the temperature data of 1 monitoring point automatically, and computer real-time is collected and write down the temperature data of all monitoring points, notes abnormalities and reports to the police immediately.Having avoided trying warm sheet, temp measuring method such as infrared needs manually to make an inspection tour, scan the delay that may cause to on-the-spot.
The typical application circuit of CC2430 chip as shown in Figure 2.Circuit uses a unbalanced antennas, connects balun transformer and can make antenna performance better.Balun transformer in the circuit is made up of capacitor C 341 and inductance L 341, L321, L331 and a PCB microwave transmission line.R221 and R261 are biasing resistor, and resistance R 221 is mainly used to provide a suitable working current for the crystal oscillator of 32 MHz.With the quartz resonator (XTAL1) of 1 32 MHz and the crystal oscillating circuit of one 32 MHz of 2 electric capacity (C191 and C211) formation.With the quartz resonator (XTAL2) of 1 32.768 kHz and the crystal oscillating circuit of one 32.768 kHz of 2 electric capacity (CA41 and CA31) formation.Voltage regulator is pin and the internal electric source power supply that all require 1.8 V voltages, and C241 and C421 electric capacity are decoupling capacitances, is used for power filter, to improve the stability of chip operation.2 monitoring unit main frames
Monitoring unit main frame general structure mainly is made up of 3 parts: wireless receiving module, controller module and power module.Controller module adopts the LPC2132 chip, and it is 32 high speed processors based on the reduced instruction set of ARM7TDMI-S nuclear that Philips company releases.The monitoring unit main frame is responsible for receiving the temperature data that each wireless temperature measurement terminal is measured and sent out, and by RS485 or 232 buses connect, the order of response monitoring center, and data upload to supervisory computer, shared data.1 monitoring unit main frame can receive the temperature measuring data that n thermometric terminal sent.
3 Surveillance center
Surveillance center is made up of industrial computer, management software.Each transformer station sets up 1 workstation, mainly is 1 industrial computer, is connected with m monitoring unit main frame through RS485 or 232 interfaces.Industrial computer is gathered the running temperature data of each monitoring point periodically automatically, in the medium-term and long-term preservation of database, while shows the temperature variation curve of monitoring point in real time, and data are analyzed, in case find temperature overheating or sharply be warmed up to when alarm temperature is set to report to the police immediately.Management software also can carry out long-range setting operation to the running parameter of monitoring unit main frame and thermometric terminal.
The scope of application1, power cable system thermometric: can monitor the temperature of cable splice, underground cable self-temperature, power plant's cable duct focus monitoring, the temperature monitoring of equipment such as cable branch box nipple switch.2, high-voltage switch gear cabinet system thermometric: the temperature that can monitor equipment such as switch contact, busbar joint, cable splice in the high-tension switch cabinet.3, transformer station's thermometric: tie point thermometric 4, box-type substations such as the temperature of transformer and web member equipment thereof, transformer station's busbar temperature monitoring, transformer station's high-voltage mutual inductor in the transformer station: busbar joint in the box-type substation, cable splice etc.
Type of alarm1, the temperature warning of crossing the border: give the monitoring means set temperature value in advance, in case device temperature surpasses or is lower than this temperature range, report to the police 2 at once, the excessive warning of rate of temperature change: if temperature raises rapidly, its rate of change is higher than setting value, reports to the police 3 at once, regularly reports temperature: can be provided with regularly (as half an hour once) upload temperature 4, the main website calling is reported to the police: can call the monitoring point to report temperature data at any time at computing machine
System's characteristics1, real-time: can the on-line monitoring temperature variation, do not use in-site measurement 2, low in energy consumption: terminal adopts low power dissipation design, can use 8 years 3, accuracy: temperature measurement accuracy can reach 0.5 ℃ 4, security: do not have lead connection, insulating mounting, without field maintemance, easy for installation 5, high benefit: can save the expensive temperature measuring device expense of buying, can save manpower, reduce plant maintenance, increase work efficiency.Realize the operation power robotization.
?
The thermometric odds ratio1, common thermometric: thermometric modes such as conventional thermopair, thermoelectric group, semiconductor temperature sensor, need the plain conductor transmission signals, insulating property can not guarantee.2, infrared measurement of temperature: infrared thermoviewer can't be measured in real time, do not have monitoring function 3, optical fiber temperature-measurement: optic fiber thermometer adopts optical fiber to transmit signal, install inconvenient, increased connecting line, characteristics 4, wireless temperature measurements such as cost height, optical fiber are easy to break in addition, non-refractory: can monitor indoor, outdoor high-voltage equipment tie point temperature in 24 hours, can not produce and disturb other equipment, easy for installation, insulation fully, cost is low.
Claims (4)
1. based on the on-line temperature monitoring early warning system of ZigBee network, it is characterized in that: connect and constitute by Surveillance center, monitoring unit main frame, wireless temperature measurement terminal three parts polyphone; Wherein Surveillance center is connected with more than one monitoring unit main frame by RS485 or 232 buses, and each monitoring unit main frame all passes through the ZigBee network and is connected with the wireless temperature measurement terminal.
2. according to the on-line temperature monitoring early warning system based on the ZigBee network under the claim 1, it is characterized in that: the wireless temperature measurement terminal is formed by connecting wherein with wireless data transfer module, temperature survey part, power unit by control module that power unit also partly is connected with temperature survey with wireless data transfer module respectively respectively; Control module adopts the TI-Chipcon CC2430 of company chip, the band antenna that it is suitable that wireless data transfer module utilizes the CC2430 chip configuration utilizes the Zigbee network to transmit, the DS18B20 sensor that temperature survey partly adopts DALLAS semiconductor company to produce.
3. according to the on-line temperature monitoring early warning system under the claim 1 based on the ZigBee network, it is characterized in that: the monitoring unit main frame by the controller module that adopts the LPC2132 chip respectively with wireless receiving module, power module, Temperature Humidity Sensor, the sound and light alarm module, LCD MODULE, key-press module, the serial interface module is formed by connecting, the monitoring unit main frame is responsible for receiving the temperature data that each wireless temperature measurement terminal is measured and sent out, and by RS485 or the connection of 232 buses, the order of response monitoring center, and data upload to supervisory computer, shared data.
4. according to the on-line temperature monitoring early warning system based on the ZigBee network under the claim 1, it is characterized in that: Surveillance center is made up of industrial computer and management software.
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508505A (en) * | 2011-11-02 | 2012-06-20 | 东北电力大学 | Automatic thermostatic control instrument for swimming pool |
| CN102607733A (en) * | 2012-04-09 | 2012-07-25 | 济南市历城区供电公司 | Electric transmission and transformation equipment contact luminous temperature sensing cap system |
| CN103063906A (en) * | 2012-12-15 | 2013-04-24 | 安徽工程大学 | Electric power switch cabinet wireless monitoring system |
| CN103854460A (en) * | 2013-09-30 | 2014-06-11 | 洛阳智超机电科技有限公司 | Temperature detection wireless transmission system |
| CN103971498A (en) * | 2013-02-01 | 2014-08-06 | 洛阳智超机电科技有限公司 | Sensor node wireless transmission system |
| CN104224136A (en) * | 2014-07-23 | 2014-12-24 | 贵州大学 | Method and device for medically and wirelessly monitoring body temperature |
| CN104269038A (en) * | 2014-08-21 | 2015-01-07 | 国家电网公司 | A low-tension cable temperature pre-warning system |
| CN104458023A (en) * | 2014-12-15 | 2015-03-25 | 江苏威腾母线有限公司 | Bus intelligent temperature measuring system based on Zigbee network |
| CN104483032A (en) * | 2014-12-30 | 2015-04-01 | 国家电网公司 | Ring main unit cable head temperature on-line monitoring device and temperature measuring method |
| CN104617495A (en) * | 2014-12-15 | 2015-05-13 | 国家电网公司 | Outdoor cabinet anti-condensation device and control method thereof |
| CN105258732A (en) * | 2015-11-04 | 2016-01-20 | 国网山东冠县供电公司 | Real-time monitoring system of outdoor electric device |
| CN105353734A (en) * | 2015-11-09 | 2016-02-24 | 安徽智芯能源科技有限公司 | Passive wireless real-time monitoring system of electrical equipment and environment based on IOT |
| CN105352613A (en) * | 2015-11-27 | 2016-02-24 | 国网北京市电力公司 | Temperature measuring system for cable joint |
| CN105427543A (en) * | 2015-12-17 | 2016-03-23 | 国网浙江省电力公司信息通信分公司 | Temperature early warning method and system based on smart grid |
| CN105444917A (en) * | 2015-11-27 | 2016-03-30 | 国网北京市电力公司 | Temperature measuring device and system for switchgear cable joints for switching room |
| CN105527029A (en) * | 2016-01-21 | 2016-04-27 | 国网上海市电力公司 | Cabinet type transformer station wireless temperature measurement system |
| CN105634136A (en) * | 2016-03-02 | 2016-06-01 | 上海海能信息科技有限公司 | Zigbee-based ultra-low power consumption passive wireless temperature measurement pre-warning system for connection point of power transmission line |
| CN106768407A (en) * | 2016-11-28 | 2017-05-31 | 广西大学 | A kind of dry reactor radio device for on-line monitoring temperature |
| CN107134023A (en) * | 2017-05-16 | 2017-09-05 | 浙江久立特材科技股份有限公司 | A kind of long-range patrol system of seamless pipe |
| CN109410557A (en) * | 2018-10-31 | 2019-03-01 | 厦门理工学院 | A kind of monitoring high-voltage switch system and monitoring network |
| CN111930038A (en) * | 2020-07-31 | 2020-11-13 | 福建省三星电气股份有限公司 | Intelligent switch cabinet online measurement and control device |
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2011
- 2011-04-07 CN CN2011200994837U patent/CN201993905U/en not_active Expired - Lifetime
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508505A (en) * | 2011-11-02 | 2012-06-20 | 东北电力大学 | Automatic thermostatic control instrument for swimming pool |
| CN102508505B (en) * | 2011-11-02 | 2013-10-02 | 东北电力大学 | Automatic thermostatic control instrument for swimming pool |
| CN102607733A (en) * | 2012-04-09 | 2012-07-25 | 济南市历城区供电公司 | Electric transmission and transformation equipment contact luminous temperature sensing cap system |
| CN102607733B (en) * | 2012-04-09 | 2014-02-05 | 济南市历城区供电公司 | Electric transmission and transformation equipment contact luminous temperature sensing cap system |
| CN103063906A (en) * | 2012-12-15 | 2013-04-24 | 安徽工程大学 | Electric power switch cabinet wireless monitoring system |
| CN103971498A (en) * | 2013-02-01 | 2014-08-06 | 洛阳智超机电科技有限公司 | Sensor node wireless transmission system |
| CN103854460A (en) * | 2013-09-30 | 2014-06-11 | 洛阳智超机电科技有限公司 | Temperature detection wireless transmission system |
| CN104224136A (en) * | 2014-07-23 | 2014-12-24 | 贵州大学 | Method and device for medically and wirelessly monitoring body temperature |
| CN104269038A (en) * | 2014-08-21 | 2015-01-07 | 国家电网公司 | A low-tension cable temperature pre-warning system |
| CN104617495B (en) * | 2014-12-15 | 2017-02-01 | 国家电网公司 | Outdoor cabinet anti-condensation control method |
| CN104458023A (en) * | 2014-12-15 | 2015-03-25 | 江苏威腾母线有限公司 | Bus intelligent temperature measuring system based on Zigbee network |
| CN104617495A (en) * | 2014-12-15 | 2015-05-13 | 国家电网公司 | Outdoor cabinet anti-condensation device and control method thereof |
| CN104483032A (en) * | 2014-12-30 | 2015-04-01 | 国家电网公司 | Ring main unit cable head temperature on-line monitoring device and temperature measuring method |
| CN105258732A (en) * | 2015-11-04 | 2016-01-20 | 国网山东冠县供电公司 | Real-time monitoring system of outdoor electric device |
| CN105353734A (en) * | 2015-11-09 | 2016-02-24 | 安徽智芯能源科技有限公司 | Passive wireless real-time monitoring system of electrical equipment and environment based on IOT |
| CN105352613A (en) * | 2015-11-27 | 2016-02-24 | 国网北京市电力公司 | Temperature measuring system for cable joint |
| CN105444917A (en) * | 2015-11-27 | 2016-03-30 | 国网北京市电力公司 | Temperature measuring device and system for switchgear cable joints for switching room |
| CN105427543A (en) * | 2015-12-17 | 2016-03-23 | 国网浙江省电力公司信息通信分公司 | Temperature early warning method and system based on smart grid |
| CN105527029A (en) * | 2016-01-21 | 2016-04-27 | 国网上海市电力公司 | Cabinet type transformer station wireless temperature measurement system |
| CN105634136A (en) * | 2016-03-02 | 2016-06-01 | 上海海能信息科技有限公司 | Zigbee-based ultra-low power consumption passive wireless temperature measurement pre-warning system for connection point of power transmission line |
| CN106768407A (en) * | 2016-11-28 | 2017-05-31 | 广西大学 | A kind of dry reactor radio device for on-line monitoring temperature |
| CN107134023A (en) * | 2017-05-16 | 2017-09-05 | 浙江久立特材科技股份有限公司 | A kind of long-range patrol system of seamless pipe |
| CN109410557A (en) * | 2018-10-31 | 2019-03-01 | 厦门理工学院 | A kind of monitoring high-voltage switch system and monitoring network |
| CN111930038A (en) * | 2020-07-31 | 2020-11-13 | 福建省三星电气股份有限公司 | Intelligent switch cabinet online measurement and control device |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110928 |