CN203929246U - Substation equipment temperature-detecting device - Google Patents

Substation equipment temperature-detecting device Download PDF

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Publication number
CN203929246U
CN203929246U CN201320643514.XU CN201320643514U CN203929246U CN 203929246 U CN203929246 U CN 203929246U CN 201320643514 U CN201320643514 U CN 201320643514U CN 203929246 U CN203929246 U CN 203929246U
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China
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temperature
wireless
equipment
measuring equipment
data
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CN201320643514.XU
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Inventor
喻正直
董军
李志刚
李险峰
杜宇
杨石
张晔
宋丽
苏丽君
刘旭
刘博�
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State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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Abstract

Substation equipment temperature-detecting device, comprises real-time monitoring system, Control Server, wireless sensing temperature measuring equipment, 2.4G wireless network composition.Wireless sensing temperature measuring equipment is made up of thermometric chip, CPU processor, radio-frequency module and high-temperature battery etc., wireless sensing temperature measuring equipment is directly installed on heating place of substation equipment, wireless sensing temperature measuring equipment temperature signal output terminal is connected with thermometric chip temperature signal input part, thermometric chip signal connects CPU processor, temperature data by wireless radio frequency modules with wireless signal by CAN, industry ethernet by temperature data uploading to main frame.The utility model adopts the sensor device operation of wireless temperature measurement to replace artificial thermometric operation, realizes the detection record of substation equipment running temperature, and wireless temperature measuring device is installed simple, reliable and stable, remarkable in economical benefits, and economic and practical is strong.

Description

Substation equipment temperature-detecting device
Technical field
The utility model relates to that be applied to power transformation station equipment running temperature remote is measured in real time and the wireless temperature detection technique of wireless sensing data communication, transmission, record, particularly relates to the wireless real time temperature pick-up unit of substation equipment.
Background technology
Transformer station is the important component part in electrical production, completes the lifting processing of electric pressure, for electrical power stabilization supply provides important support.In transformer station, move a large amount of equipment and instrument, comprising transformer, isolating switch, disconnecting link, lightning arrester, capacitor, switchgear etc.These equipment stable operations ensure that transformer station runs well.Because the voltage and current in transformer station is higher, therefore, when through electrical equipment, can cause the rising of device temperature, and transformer station's uninterrupted operation, equipment can elevate the temperature in running status for a long time.Along with the prolongation of equipment temperature rise, temperature over-range place adds large equipment degree of oxidation because of heating, so cause burning, the generation of the device damage even of exploding or quality accident.Therefore in transformer station's operation management work, require the temperature of power transformation station equipment to carry out periodic monitor.For measuring electrical equipment nodal heating temperature, adopt traditional manual inspection means of testing for a long time.The temperature of grasp equipment that cannot be is promptly and accurately reminded processing in the time that device temperature is abnormal.Transformer station has realized unattended or few man on duty substantially, and the construction an urgent demand of transformer station's digitizing, intellectuality and intelligent grid realizes long-range, intelligent, online, Real-Time Monitoring to operating electrical nodal heating temperature.Round-the-clock temperature monitoring, the active early warning of substation equipment are urgent problems in substation operation management work.
At present, the realization of substation equipment operation thermometric mode is mainly to be undertaken by the mode of artificial use thermal detector, infrared thermal imaging, does like this problem and the leak that exist and is:
1, in transformer station, moving a large amount of equipment and instrument, because position disperses to make fault test means limited, equipment running temperature transfinites and is a little not easy to be found.And capacitor box, switch cubicle etc. are due in enclosed environment, and temperature measuring equipment real time temperature measurement cannot be installed.
2, transformer station adopts traditional wax disk(-sc) thermometric mode, and accuracy is low, can not real-time storage temperature data.Infrared imaging temperature measuring mode, is subject to place restriction too large, and imager is installed inconvenient, and temperature measurement data real-time is poor.
3, the equipment such as the main transformer in transformer station, disconnecting link, isolating switch, lightning arrester, needs O&M personnel to be timed to scene and measures temperature, artificial gather and typing workload large; When manual operation there is hidden danger to personal security in high-tension apparatus.
The problem exposing in above-mentioned substation equipment operation thermometric process cannot solve by original mode, cannot meet unattended operation transformer station management and growth requirement.
Utility model content
The technical problems to be solved in the utility model is, a kind of wireless real time temperature measurement, collecting temperature data are provided, concentrate and monitor and manage, alleviate in-site measurement temperature workload, ensure personal security, can overcome that equipment and instrument position disperse and cabinet in enclosed environment in equipment and equipment running temperature transfinite and be a little not easy to be found, and the substation equipment temperature-detecting device of temperature measuring equipment real time temperature measurement cannot be installed.
The technical scheme adopting is:
Substation equipment temperature-detecting device, formed by centralized control center, real-time monitoring system, Control Server, collection control terminal, wireless sensing temperature measuring equipment, 2.4G wireless network, wireless sensing temperature measuring equipment gathers thermometric, by 2.4G radio sensing network, transfer data to collection control terminal, collection control terminal connects Control Server by LAN (Local Area Network)/RS485/CAN, and Control Server transfers data to real-time monitoring system, and real-time monitoring system transfers data to centralized control center.
Wireless sensing temperature measuring equipment is for measuring the surface temperature of charged node, formed by thermometric chip, core processor, radio-frequency module and high temperature resistant battery, thermometric chip is for measuring equipment temperature value, carry out digital-to-analogue conversion, send data to core processor, carry out data-switching and storage by core processor; Core processor control radio-frequency module, carries out wireless telecommunications connection.
The creationary employing wireless temperature measurement of the utility model technology, by wireless sensing temperature measuring equipment (containing core processor and radio-frequency module), collection control terminal and real-time temperature measurement system, completes the real time temperature monitoring of substation equipment.Wireless sensing temperature measurement module is sent to collection control terminal by the real time temperature data that monitor with 2.4G RF-wise, transmitting range is greater than 100m, collection control terminal is supported multiple communication modes, both can be connected with Control Server by LAN (Local Area Network)/RS485/CAN interface, show on the spot, or show with liquid crystal display, also can GSM/GPRS mode teletransmission data center afield.Meet the requirement of electric system on-line monitoring technique, can be easily, safely and reliably by the real time temperature data access electric power system data monitoring center receiving.Beneficial effect is:
1, the utility model, in the mode of wireless temperature measurement device temperature, is realized the wireless temperature measurement of substation equipment.Wireless temperature measurement monitoring technology advanced person, real time temperature monitoring data are accurate, easy for installation, stable and reliable operation.Meet the requirement of electric system on-line monitoring technique, can access easily, safely and reliably electric power system data monitoring measured center.
2, the utility model has replaced manual inspection thermometric mode, and accomplished real-time online remote intelligent monitoring electrical nodal heating situation, realize temperature over-range report to the police, prevent and reduce the generation of electrical hazard, electric device safety operation level and power supply reliability are greatly improved, for the construction of intelligent grid provides indispensable technical support, significant grid benefit and economic results in society are brought.
3, wireless temperature measurement technology is applicable to the on-line monitoring of the power distribution equipment electrical nodal heating temperature in service of transformer station, generating plant and different electric pressures, and is applicable to the on-line temperature monitoring of other field.
The utility model design science, the sensor device operation that reasonable, original, apparatus has wireless temperature measurement replace artificial thermometric operation, realize the detection record of substation equipment running temperature, wireless temperature measuring device is installed simple, reliable and stable, remarkable in economical benefits, economical and practical type is strong, has good development prospect.Substation equipment wireless temperature measurement technology is inexorable trend and the requirement of power system automation, Informatization Development, and strong intelligent grid is built indispensable technical support and guarantee especially.
Brief description of the drawings
Fig. 1 is real-time monitoring system block diagram of the present utility model.
Fig. 2 is wireless sensing temperature measuring equipment schematic diagram of the present utility model.
Embodiment
Substation equipment real time temperature pick-up unit, comprises real-time monitoring system, Control Server, collection control terminal, wireless sensing temperature measuring equipment, 2.4G wireless network composition.Described wireless sensing temperature measuring equipment, for measuring the surface temperature of charged node, is made up of thermometric chip, core processor, radio-frequency module and high temperature resistant battery.Thermometric chip, for measuring equipment temperature value, carries out digital-to-analogue conversion, sends data to core processor, carries out data-switching and storage by core processor.Core processor control radio-frequency module, carries out wireless telecommunications connection, completes the transmission of temperature measurement data.High temperature resistant battery, can, in transformer station's inner high voltage equipment appurtenance operation, not be subject to Effect of Hyperthermic Environment, ensures that the modules of temperature measuring equipment is normally worked, and provides work required electric energy.Radio temperature sensor is directly installed on heating place of substation equipment, and each sensor has unique ID coding, records the geographic position of each monitoring point, and together in typing real-time monitoring system database, mark temperature measuring equipment.Thermometric chip signal connects core processor, and core processor internal operation system, completes steering order and data processing.Temperature data by wireless radio frequency modules with transmission of wireless signals to radiofrequency signal receive collection control terminal, collection control terminal by LAN (Local Area Network)/RS485/CAN bus by temperature data uploading to Control Server.Control Server sends the data to real-time monitoring system, by centralized control center, temperature data is processed and preserved, show in real time the temperature of each monitoring point with the interface of figure, by analyzing the relative temperature rise of monitoring point temperature changing trend, compare facilities and environment, analyze the situation of possible overheated or steep temperature rise, send in advance early warning signal, remind managerial personnel to process.
Principle of work:
(1) wireless sensing temperature measuring equipment is arranged on substation equipment, adopt glue and screw to fix two kinds of modes, be directly installed on temperature measuring equipment or around, wireless sensing temperature measuring equipment in-line coding ID and setting bound, identify the temperature probe data value of this identification.Wireless sensing temperature measuring equipment is by the high temperature resistant powered battery in inside, without external power supply.Under duty, wireless sensing temperature measuring equipment passes through wireless radio frequency modules, setting up communication with collection control terminal is connected, accept the thermometric instruction that monitoring system sends, process thermometric instruction by core processor, control the temperature data of thermometric chip measurement place equipment, measured and sent temperature data to core processor, the processing that is encrypted and packs of core processor internal processes, forms temperature measurement data bag.By radio-frequency module, data are sent to collection control terminal equipment, via collecting control terminal device transmission to supervisory system.Realize the real time temperature of power transformation station equipment and measure, transformer station's indoor and outdoors equipment is carried out to wireless temperature measurement;
(2) on substation equipment temperature measurement node, each wireless sensing temperature measuring equipment of installing, radio-frequency module by self is set up 2.4G radio sensing network passage with collection control terminal, the device temperature data transmission measuring is arrived to collection control terminal, collection control terminal gathers the temperature measurement data receiving, and within the time arranging, data back is arrived to Control Server.According to the area definition of transformer station, quantity is installed, normal for covering the sensor in 100 meters of regions.Exceeding 100 meters can increase collection control terminal equipment and complete;
(3) collection control terminal is used for receiving the temperature measurement data of wireless sensing temperature measuring equipment.Collection control terminal leaves multiple interfaces, supports multiple communication modes, to adapt to different use occasions and demand; In transformer station, can be connected with Surveillance center's integrated information system or PC by LAN (Local Area Network)/RS485/CAN bus; Also can be by the teletransmission of GSM/GPRS wireless public network to Surveillance center and full-time staff's mobile phone; The processor operation control program of collection control terminal inside, receive the packet of wireless sensing temperature measuring equipment, according to the time interval setting of thermometric monitoring system, the data that gather are sent to Control Server by timing, by Control Server, data sent to real-time monitoring system.
(4) real-time monitoring system stores the device temperature data of finally measuring in database into, shows the real time temperature state of power transformation station equipment by patterned mode.Show real time temperature, temperature rise variation, historical temperature curve, high temperature early warning of each equipment etc.

Claims (1)

1. substation equipment temperature-detecting device, formed by centralized control center, real-time monitoring system, Control Server, collection control terminal, wireless sensing temperature measuring equipment, 2.4G wireless network, wireless sensing temperature measuring equipment gathers thermometric, by 2.4G radio sensing network, transfer data to collection control terminal, collection control terminal connects Control Server by LAN (Local Area Network)/RS485/CAN, and Control Server transfers data to real-time monitoring system, and real-time monitoring system transfers data to centralized control center;
It is characterized in that wireless sensing temperature measuring equipment is for measuring the surface temperature of charged node, formed by thermometric chip, core processor, radio-frequency module and high temperature resistant battery, thermometric chip is for measuring equipment temperature value, carry out digital-to-analogue conversion, send data to core processor, carry out data-switching and storage by core processor; Core processor control radio-frequency module, carries out wireless telecommunications connection.
CN201320643514.XU 2013-10-18 2013-10-18 Substation equipment temperature-detecting device Active CN203929246U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320643514.XU CN203929246U (en) 2013-10-18 2013-10-18 Substation equipment temperature-detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320643514.XU CN203929246U (en) 2013-10-18 2013-10-18 Substation equipment temperature-detecting device

Publications (1)

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CN203929246U true CN203929246U (en) 2014-11-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105785883A (en) * 2016-05-16 2016-07-20 上海孔诚物联网科技股份有限公司 Monitoring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105785883A (en) * 2016-05-16 2016-07-20 上海孔诚物联网科技股份有限公司 Monitoring device

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