CN203100900U - State monitoring and early warning system for electrical equipment - Google Patents
State monitoring and early warning system for electrical equipment Download PDFInfo
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- CN203100900U CN203100900U CN 201220728430 CN201220728430U CN203100900U CN 203100900 U CN203100900 U CN 203100900U CN 201220728430 CN201220728430 CN 201220728430 CN 201220728430 U CN201220728430 U CN 201220728430U CN 203100900 U CN203100900 U CN 203100900U
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Abstract
The utility model discloses a state monitoring and early warning system for electrical equipment, which comprises a temperature data acquisition unit, a data transmission network and a station layer. The temperature data acquisition unit comprises a temperature measurement terminal and a convergent node. The temperature measurement terminal comprises an infrared temperature measurement probe and a CC2530 radio frequency circuit. The convergent node comprises a ZigBee network coordinator and an ARM-based data processing and Ethernet transmission circuit. According to the technical scheme of the utility model, due to the adoption of the system, the data acquisition of the multipoint temperatures of equipment in the electrical power system and the data transmission between the ZigBee wireless network and the Ethernet network can be realized. Finally, the temperature display, the prediction and the state estimation of electrical equipment are performed. Meanwhile, the early-warning information and alarm signals are sent out in the form of short messages, so that the unattended operation is realized. According to the utility model, the system is mainly used for measuring the temperature of high-voltage equipment in the electrical power system in real time and then carrying out the real-time analysis on the obtained data.
Description
Technical field
The utility model relates to a kind of power equipment state monitoring and early warning system, especially relates to the temperature monitoring and the early warning system of a plurality of contacts of a plurality of equipment.
Background technology
Equipment contact in the electric system (mainly being busbar contact, switch contact, cable splice etc.) is overheated owing to multiple reasons such as closure is not good, loose contact, filthy existence are in operation, bring potential safety hazard for high-tension switch cabinet self and even power distribution network, even cause the accident; If the busbar temperature is too high severe oxidation can take place, die-off equipment life; Temperature of cable junction is too high for a long time, may cause that cable splice blasts, and causes the massive blackout accident; The optical fiber mutual inductor will be used more and morely, and will be higher for the humiture environmental requirement in the switch cubicle.
Along with the development of intelligent grid, electric parameters information real-time, that automation collection obtains highlights consequence in the intellectuality construction of electric system.Temperature is as the important parameter of power operating state, need measure in real time, present temp measuring system mainly adopts the temperature probe of contact, and at present more and more higher to the requirement of Power System Reliability, can not back interruption maintenance or replacing because temperature measuring equipment goes wrong.Simultaneously, present temp measuring system mainly adopts bussing technique such as RS485 with the station control center of data transmission to transformer station, do not meet present intelligent substation build in the relevant regulations and the IEC61850 agreement of data transmission and Control Networkization.Current temp measuring system can not carry out power system state analysis and prediction, can not effectively prevent the generation of accident.
Summary of the invention
The purpose of this utility model is to provide a kind of power equipment state monitoring and early warning system, solves that prior art may exert an influence to electric reliability and the problem of function singleness.
The purpose of this utility model is achieved in that power equipment state monitoring and early warning system, comprises temperature data acquisition device, data transmission network, station level; The temperature data acquisition device comprises thermometric terminal and switch cubicle convergence node, and wherein the thermometric terminal comprises infrared temperature probe and CC2530 radio circuit, communicates to connect by SPI between the two; Switch cubicle convergence node comprises the ZigBee network coordinator and based on data processing and the Ethernet transtation mission circuit of ARM, adopts the serial communication mode to connect between the two; ZigBee network coordinator and a plurality of CC2530 radio circuit are formed star network; Infrared temperature probe collecting temperature data, and send to the ZigBee network coordinator of switch cubicle convergence node by the CC2530 radio circuit, the ZigBee network coordinator receives the temperature data of a plurality of thermometric terminals, be transferred to data processing and Ethernet transtation mission circuit based on ARM, and pack the data to IEC61850 communication protocol predetermined data frame format and send, transfer data to the main frame of Surveillance center by twisted-pair feeder; Monitoring host computer shows the data that receive in real time by the display interface based on LabVIEW; Simultaneously by the station level software program, realize estimating and based on the temperature prediction of trend extrapolation based on the state parameter of least square method.
The utlity model has following beneficial effect, the utility model power equipment state monitoring and early warning system, can be by remote infrared temperature probe collecting temperature outside power equipment minimum insulation distance, utilize the ZigBee communication of low-power consumption to transfer data to switch cubicle convergence node, adopt the IEC61850 agreement that data transmission is arrived station level, carry out temperature demonstration, prediction, status of electric power estimation then, early warning information and alerting signal can also be sent by note simultaneously, be realized unmanned.The utility model is mainly used in to be needed to measure in real time the high-tension apparatus of temperature and carries out real-time analysis in the electric system.
Description of drawings
Fig. 1 is the utility model power equipment state monitoring and early warning system structural representation;
Fig. 2 is that the utility model equipment state is analyzed and the state estimation process flow diagram.
Among the figure, 1. infrared temperature probe, 2.CC2530 radio circuit, 3. switch cubicle convergence node, 4. temperature data acquisition device, 5. data transmission network, 6. station level, 7. center host, 8.GSM/GPRS short message transceiving module, 9. Surveillance center's display, 10. industrial switch, 11. thermometric terminals.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Power equipment state monitoring and early warning system referring to Fig. 1, comprise temperature data acquisition device 4, data transmission network 5, station level 6.
Temperature data acquisition device 4 comprises thermometric terminal 11 and switch cubicle convergence node 3, and wherein thermometric terminal 11 comprises infrared temperature probe 1 and CC2530 radio circuit 2, and infrared temperature probe 1 and CC2530 radio circuit 2 communicate to connect by SPI; Switch cubicle convergence node 3 comprises the ZigBee network coordinator and based on data processing and the Ethernet transtation mission circuit of ARM, the two adopts serial communication mode to connect.ZigBee network coordinator and a plurality of CC2530 radio circuit 2 are formed star network.
Infrared temperature probe 1 collecting temperature data, and send to the ZigBee network coordinator of switch cubicle convergence node 3 by CC2530 radio circuit 2, the ZigBee network coordinator receives the temperature data of a plurality of thermometric terminals 11, be transferred to data processing and Ethernet transtation mission circuit then based on ARM, pack the data to IEC61850 communication protocol predetermined data frame format and send, transfer data to the main frame of Surveillance center by twisted-pair feeder; Monitoring host computer shows the data that receive in real time by the display interface based on LabVIEW; Simultaneously by the station level software program, realize estimating and based on the temperature prediction of minimum variance algorithm based on the state parameter of least square method.
A) temperature data acquisition device 4 is finished multi-point temp data acquisition, the establishment of data wireless transmission network, packing data processing.Specific as follows:
Contactless infrared temperature probe 1 comprises optical element and transmission circuit, and optical element detects the radiation intensity of power equipment, is converted to corresponding temperature value by conversion module then; Infrared temperature probe 1 adopts the serial communication mode to be connected with radio circuit based on CC2530, and temperature data sends by the radio circuit of CC2530 radio circuit 2.The thermometric terminal 11 of a plurality of bottoms is formed star network with the ZigBee network coordinator on the switch cubicle convergence node 3, and the temperature data of all the measured points in this switch cubicle is converged in switch cubicle convergence node 3 circuit.
B) data transmission network 5 is finished the network construction based on the IEC61850 agreement.Specific as follows:
The ZigBee network coordinator is connected with switch cubicle convergence node 3ARM processor by the serial communication mode in the switch cubicle convergence node 3 of temperature data acquisition device 4, on arm processor, temperature data is packaged into the data frame format of IEC61850 call format, sends by the Ethernet transtation mission circuit then.The switch cubicle convergence node 3 of a plurality of switch cubicles links to each other with the Industrial Ethernet switch by twisted-pair feeder or optical fiber, and final Industrial Ethernet links to each other with the integrated circuit board Ethernet interface of center host 7 by optical fiber, finishes data transmission network 5 networkings.
C) station level 6 softwares carry out equipment state analysis and state estimation after finishing data acceptance and processing.Specific as follows:
Carry out the monitoring temperature main frame and receive after the packet, data are unpacked, reduce noise processed with wavelet analysis then by program; Based on the display interface of LabVIEW, receive temperature data at monitoring host computer and show in real time.Equipment state analysis and state estimation flow process are called the MathScript node as shown in Figure 2 in LabVIEW, least square method and trend extrapolation Matlab program can be carried out state parameter estimation, temperature forecast respectively, and the result shows in real time; Judge when temperature is too high, call the real-time current data of respective lines in the current data storehouse, judge whether electric current is excessive,, directly send the excessive signal of electric current to Surveillance center if electric current is excessive; Otherwise, need in ANSYS software, import the structured data of power equipment, set up the correlation analysis model, electric current that will receive in real time and temperature data import in the model then, form the correlation model in electromagnetic field and temperature field, write the state estimation program then, in conjunction with the analysis result of structure field, temperature field, electromagnetic field is assessed POWER SYSTEM STATE.Ping Gu result sends to operator on duty and Surveillance center by the short message receiving-transmitting circuit the most at last.
Embodiment, power equipment state monitoring and early warning system, as shown in Figure 1, comprise infrared temperature probe 1 in the temperature data acquisition device 4, CC2530 radio circuit 2, switch cubicle convergence node 3, infrared temperature probe 1 is connected with radio frequency single-chip microcomputer CC2530 in the CC2530 radio circuit 2 by SPI communication, CC2530 radio circuit 2 is by Zigbee radio communication and switch cubicle convergence node 3 transmission information, pack the data to Ethernet data frame format after storage place of the processor realization data of switch cubicle convergence node 3 and the liquid crystal display based on IEC61850 communication protocol, send to data transmission network 5, the multichannel network data send industrial switch 10 to through twisted-pair feeder, packet sends center host 7 to through an optical fiber, center host 7 send station level 6 softwares to handle data, the result who handles send Surveillance center's display 9 to show in real time, if there is warning message to notify the operators on duty of transformer station by GSM/GPRS short message transceiving module 8.
The utility model power equipment state monitoring and early warning system workflow are developed the display interface based on LabVIEW as shown in Figure 2 on monitoring host computer, receive temperature data at monitoring host computer and show in real time; In LabVIEW, call the MathScript node, trend extrapolation temperature forecast Matlab program therein, and the result shown in real time; When judging that according to flow process programming as shown in Figure 2 temperature is too high, call the real-time current data of respective lines in the current data storehouse, judge whether electric current is excessive,, directly send the excessive signal of electric current to Surveillance center if electric current is excessive; Otherwise, need in ANSYS software, import the structured data of power equipment, set up correlation model, electric current that will receive in real time and temperature data import in the model then, form the correlation model in electromagnetic field and temperature field, write the state estimation program then, in conjunction with the analysis result of structure field, temperature field, electromagnetic field is assessed POWER SYSTEM STATE.Ping Gu result sends to operator on duty and Surveillance center by GSM/GPRS short message transceiving module 8 the most at last.
The utility model can be by remote infrared temperature probe collecting temperature outside power equipment minimum insulation distance, utilize the ZigBee communication of low-power consumption to transfer data to switch cubicle convergence node, adopt the IEC61850 agreement that data transmission is arrived station level, carrying out temperature then shows, prediction, status of electric power is estimated, early warning information and alerting signal can also be sent by note simultaneously, realize unmanned, being mainly used in needs to measure in real time the high-tension apparatus of temperature and carries out real-time analysis in the electric system, can promote the intelligent grid construction.
Claims (1)
1. power equipment state monitoring and early warning system is characterized in that, comprise temperature data acquisition device (4), data transmission network (5), station level (6); Temperature data acquisition device (4) comprises thermometric terminal (11) and switch cubicle convergence node (3), wherein thermometric terminal (11) comprises infrared temperature probe (1) and CC2530 radio circuit (2), and infrared temperature probe (1) communicates to connect by SPI with CC2530 radio circuit (2); Switch cubicle convergence node (3) comprises the ZigBee network coordinator and based on data processing and the Ethernet transtation mission circuit of ARM, the two adopts serial communication mode to connect; ZigBee network coordinator and a plurality of CC2530 radio circuit (2) are formed star network; Infrared temperature probe (1) collecting temperature data, and send to the ZigBee network coordinator of switch cubicle convergence node (3) by CC2530 radio circuit (2), the ZigBee network coordinator receives the temperature data of a plurality of thermometric terminals (11), be transferred to data processing and Ethernet transtation mission circuit then based on ARM, pack the data to IEC61850 communication protocol predetermined data frame format and send, transfer data to the main frame of Surveillance center by twisted-pair feeder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728430 CN203100900U (en) | 2012-12-26 | 2012-12-26 | State monitoring and early warning system for electrical equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220728430 CN203100900U (en) | 2012-12-26 | 2012-12-26 | State monitoring and early warning system for electrical equipment |
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| CN203100900U true CN203100900U (en) | 2013-07-31 |
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| CN 201220728430 Expired - Fee Related CN203100900U (en) | 2012-12-26 | 2012-12-26 | State monitoring and early warning system for electrical equipment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105357096A (en) * | 2015-11-11 | 2016-02-24 | 国家电网公司 | ZigBee network based intelligent substation sensor online detection networking method |
| CN106695089A (en) * | 2015-11-18 | 2017-05-24 | 上海安莱德汽车零部件有限公司 | Automatic temperature-measuring and alarming welder electrode protecting device |
| CN106768353A (en) * | 2016-11-28 | 2017-05-31 | 唐恩(厦门)电气有限公司 | A kind of monitoring system for isolation switch contact temperature |
| CN107741251A (en) * | 2017-11-28 | 2018-02-27 | 天津浩源慧能科技有限公司 | A kind of power equipment safety monitoring system based on wireless network |
| CN109443544A (en) * | 2018-11-27 | 2019-03-08 | 安徽理工大学 | Non-contact type high voltage switch cabinet bus temperature rise early warning system |
| CN110013246A (en) * | 2019-05-05 | 2019-07-16 | 烟台宏远氧业股份有限公司 | A kind of hyperbaric oxygen chamber vital sign monitoring method and system |
| CN110487423A (en) * | 2019-07-09 | 2019-11-22 | 朱清 | A kind of array three dimensional temperature field detection system for intelligent electric cabinet |
| CN110794799A (en) * | 2019-11-28 | 2020-02-14 | 桂林电子科技大学 | Big data system with fault diagnosis function applied to industrial production |
| CN112837525A (en) * | 2021-01-20 | 2021-05-25 | 蘑菇物联技术（深圳）有限公司 | RS485 instrument configuration and communication method, system, terminal and storage medium |
| CN114001829A (en) * | 2021-11-01 | 2022-02-01 | 广东电网有限责任公司 | Infrared temperature measurement monitoring devices of secondary circuit of transformer substation |
-
2012
- 2012-12-26 CN CN 201220728430 patent/CN203100900U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105357096A (en) * | 2015-11-11 | 2016-02-24 | 国家电网公司 | ZigBee network based intelligent substation sensor online detection networking method |
| CN105357096B (en) * | 2015-11-11 | 2019-04-02 | 国家电网公司 | Intelligent transformer substation sensing device on-line checking network-building method based on ZigBee-network |
| CN106695089A (en) * | 2015-11-18 | 2017-05-24 | 上海安莱德汽车零部件有限公司 | Automatic temperature-measuring and alarming welder electrode protecting device |
| CN106768353A (en) * | 2016-11-28 | 2017-05-31 | 唐恩(厦门)电气有限公司 | A kind of monitoring system for isolation switch contact temperature |
| CN107741251A (en) * | 2017-11-28 | 2018-02-27 | 天津浩源慧能科技有限公司 | A kind of power equipment safety monitoring system based on wireless network |
| CN109443544A (en) * | 2018-11-27 | 2019-03-08 | 安徽理工大学 | Non-contact type high voltage switch cabinet bus temperature rise early warning system |
| CN110013246A (en) * | 2019-05-05 | 2019-07-16 | 烟台宏远氧业股份有限公司 | A kind of hyperbaric oxygen chamber vital sign monitoring method and system |
| CN110487423A (en) * | 2019-07-09 | 2019-11-22 | 朱清 | A kind of array three dimensional temperature field detection system for intelligent electric cabinet |
| CN110794799A (en) * | 2019-11-28 | 2020-02-14 | 桂林电子科技大学 | Big data system with fault diagnosis function applied to industrial production |
| CN112837525A (en) * | 2021-01-20 | 2021-05-25 | 蘑菇物联技术（深圳）有限公司 | RS485 instrument configuration and communication method, system, terminal and storage medium |
| CN114001829A (en) * | 2021-11-01 | 2022-02-01 | 广东电网有限责任公司 | Infrared temperature measurement monitoring devices of secondary circuit of transformer substation |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20151226 |
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| EXPY | Termination of patent right or utility model |