CN202956217U - Primary equipment temperature on-line monitoring system for concentrative intelligent substation - Google Patents

Primary equipment temperature on-line monitoring system for concentrative intelligent substation Download PDF

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Publication number
CN202956217U
CN202956217U CN 201220669097 CN201220669097U CN202956217U CN 202956217 U CN202956217 U CN 202956217U CN 201220669097 CN201220669097 CN 201220669097 CN 201220669097 U CN201220669097 U CN 201220669097U CN 202956217 U CN202956217 U CN 202956217U
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CN
China
Prior art keywords
primary equipment
temperature
zigbee
monitoring
433mhz
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Application number
CN 201220669097
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Chinese (zh)
Inventor
黄新波
王霄宽
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西安工程大学
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Priority to CN 201220669097 priority Critical patent/CN202956217U/en
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Publication of CN202956217U publication Critical patent/CN202956217U/en

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Abstract

The utility model discloses a primary equipment temperature on-line monitoring system for a concentrative intelligent substation. The primary equipment temperature on-line monitoring system comprises a monitoring center server, wherein the monitoring center server is connected with a primary equipment temperature on-line monitor through an Ethernet; the primary equipment temperature on-line monitor is parallelly connected with a plurality of 433MHz ZigBee signal transferring coordinators through a 433MHz starlike network; and each 433MHz ZigBee signal transferring coordinator is connected with a plurality of ZigBee terminal node devices through ZigBee networks. The primary equipment temperature on-line monitoring system is based on wireless sensor networks, the shortcoming that severe environments are caused by high-pressure magnetic fields of the intelligent substation is overcome, convenience is brought to inspection personnel, hot-spot temperature of primary equipment can be known by the inspection personnel only through upper computer software on the monitoring center server, and a phenomenon that the substation fails due to temperature abnormality is avoided.

Description

Centralized intelligence transforming plant primary equipment temperature online monitoring system
Technical field
The utility model belongs to intelligent transformer substation equipment state monitoring system technical field, relate to a kind of centralized intelligence transforming plant primary equipment temperature online monitoring system, be specifically related to a kind of centralized intelligence transforming plant primary equipment temperature online monitoring system based on radio sensing network.
Background technology
The intelligent substation primary equipment is in operation and remains high because a variety of causes causes the failure rate that heating causes always, particularly during high temperature and high load capacity, the burning cabinet phenomenon caused because some position of equipment is overheated happens occasionally, the more serious accident of also can blasting.For safety in production and the raising primary equipment reliability of operation that ensures intelligent substation, just need to carry out on-line temperature monitoring to the focus position of the important primary equipments such as substation transformer, High-low voltage switch cabinet and isolating switch, and realize the temperature beyond limit early warning and alarming to primary equipment.But, because primary equipment is arranged in the environment of high voltage, large electric current and high-intensity magnetic field, primary equipment is subject to the restriction that high voltage, point position and highfield disturb, in actual monitoring, necessarily require between monitoring target and monitoring device to carry out the voltage isolation, could effectively transmit its monitor signal, and the device of at-once monitor primary equipment temperature still can not be well solved so far.
Ensure the safety in production of intelligent substation and improve the primary equipment reliability of operation, preventing and solving primary equipment overheated is key issue, and production has vital role and realistic meaning to substation safety to realize intelligent substation primary equipment hot(test)-spot temperature on-line monitoring.
Summary of the invention
The purpose of this utility model is to provide a kind of centralized intelligence transforming plant primary equipment temperature online monitoring system, realizes the on-line monitoring of the various primary equipment hot(test)-spot temperatures of transformer station, and convenient prevention is also found latent defect in time.
The technical solution of the utility model is, centralized intelligence transforming plant primary equipment temperature online monitoring system, include monitoring central server, monitoring central server is connected with primary equipment on-line temperature monitoring terminal by Ethernet, primary equipment on-line temperature monitoring terminal is connected with the ZigBee signal transfer telegon of several 433MHz side by side by the 433MHz star network, the ZigBee signal transfer telegon of each 433MHz is connected with a plurality of ZigBee terminal node devices by ZigBee-network.
Characteristics of the present utility model also are,
Primary equipment on-line temperature monitoring instrument, include microprocessor, microprocessor is connected with man-machine interface by 485 network interfaces, microprocessor is connected with primary equipment on-line temperature monitoring instrument power module by power lead, and microprocessor is connected with 433M Star network host node module by the RS232 interface.
Be provided with AC/DC power module converter and linear power supply conversion element in primary equipment on-line temperature monitoring terminal power module.
Microprocessor is C8051f02 type microprocessor.
The ZigBee signal transfer telegon of 433MHz, include 433MHz Star network partial node module, 433MHz Star network partial node module is connected with ZigBee router one 2 by signal wire, and 433MHz Star network partial node module also is connected with the telegon power module by power lead.
433MHz Star network partial node module composition 433MHz star network in 433M Star network host node module in primary equipment on-line temperature monitoring terminal and the ZigBee signal transfer telegon of described several 433MHz.
ZigBee terminal node device includes ZigBee terminal node module, ZigBee terminal node module is connected with temperature sensor a, temperature sensor b respectively by wire, and ZigBee terminal node module also is connected with ZigBee terminal node power module by power lead.
Temperature sensor a is digital temperature sensor DS18B20.
Temperature sensor b is thermistor Pt100 temperature sensor.
ZigBee terminal node module adopts radio frequency chip MC13192.
The beneficial effects of the utility model are,
(1) centralized intelligence transforming plant primary equipment temperature online monitoring system of the present utility model adopts the radio sensing network that ZigBee technology and 433MHz radio-frequency technique combine, the on-line monitoring of the various primary equipment hot(test)-spot temperatures of transformer station be can realize, electromagnetic interference (EMI) under the intelligent substation hyperbaric environment and the problem of High-Voltage Insulation overcome;
(2) not only measuring accuracy is high for centralized intelligence transforming plant primary equipment temperature online monitoring system of the present utility model, and sensor node module is easy for installation, is not subject to the restriction of primary equipment body special construction;
(3) centralized intelligence transforming plant primary equipment temperature online monitoring system of the present utility model can centralized displaying temperature and the early warning and alarming of each monitoring focus, conveniently find in time and prevent potential accident potential, thereby on-line monitoring and the early warning and alarming of intelligent substation primary equipment hot(test)-spot temperature have been realized, for realization and the development of electric substation automation system provides advanced appointed condition, there is great social effect.
The accompanying drawing explanation
Fig. 1 is the circuit connection diagram of centralized intelligence transforming plant primary equipment temperature online monitoring system of the present utility model;
Fig. 2 is the circuit connection diagram of the primary equipment on-line temperature monitoring terminal in centralized intelligence transforming plant primary equipment temperature online monitoring system of the present utility model;
Fig. 3 is the circuit connection diagram of the ZigBee signal transfer telegon of the 433MHz in centralized intelligence transforming plant primary equipment temperature online monitoring system of the present utility model;
Fig. 4 is the circuit connection diagram of the ZigBee terminal node device in centralized intelligence transforming plant primary equipment temperature online monitoring system of the present utility model.
In figure, 1. monitoring central server, 2. primary equipment on-line temperature monitoring terminal power module, 3. primary equipment on-line temperature monitoring terminal, 4. man-machine interface, 5.433MHz ZigBee signal transfer telegon, 6. telegon power module, 7. microprocessor, 8.ZigBee terminal node device, 9.ZigBee the terminal node power module, 10.433M Star network host node module, 11.433MHz Star network partial node module, 12.ZigBee router, 13.ZigBee the terminal node module, 14. temperature sensor a, 15. temperature sensor b.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Centralized intelligence transforming plant primary equipment temperature online monitoring system of the present utility model, its structure as shown in Figure 1, include monitoring central server 1, monitoring central server 1 is connected with primary equipment on-line temperature monitoring terminal 3 by Ethernet, primary equipment on-line temperature monitoring terminal 3 is connected with the ZigBee signal transfer telegon 5 of several 433MHz side by side by the 433MHz star network, the ZigBee signal transfer telegon 5 of each 433MHz is connected with a plurality of ZigBee terminal node devices 8 by ZigBee-network.
Primary equipment on-line temperature monitoring terminal 3, its structure as shown in Figure 2, include microprocessor 7, microprocessor 7 is connected with man-machine interface 4 by 485 network interfaces, microprocessor 7 is connected with primary equipment on-line temperature monitoring terminal power module 2 by power lead, and microprocessor 7 is connected with 433M Star network host node module 10 by the RS232 interface.Microprocessor 7 is C8051f020 type microprocessor.
Primary equipment on-line temperature monitoring terminal power module 2 in primary equipment on-line temperature monitoring terminal 3 is provided with AC/DC power module converter, the 220V alternating voltage of introducing is dropped to 5V, then with linear power supply conversion element wherein, voltage transitions is arrived to required 3.3V voltage.
The ZigBee signal transfer telegon 5 of 433MHz, include 433MHz Star network partial node module 11,433MHz Star network partial node module 11 is connected with ZigBeeZigBee router one 2 by signal wire, and 433MHz Star network partial node module 11 also is connected with telegon power module 6 by power lead.
433M Star network host node module 10 in primary equipment on-line temperature monitoring terminal 3 forms the 433MHz star network with the 433MHz Star network partial node module 11 in the ZigBee signal transfer telegon 5 of several 433MHz.
ZigBee terminal node device 8 includes ZigBee terminal node module 13, ZigBee terminal node module 13 is connected with temperature sensor a14, temperature sensor b15 by wire respectively, and ZigBee terminal node module 13 also is connected with ZigBee terminal node power module 9 by power lead.Temperature sensor a14 is that digital temperature sensor DS18B20, temperature sensor b15 are thermistor Pt100.ZigBee terminal node module 13 adopts radio frequency chip MC13192.
ZigBee terminal node module 13 in ZigBee terminal node device 8 forms ZigBee-network with the ZigBee router one 2 in the ZigBee signal transfer telegon 5 of 433MHz, and ZigBee-network is the 2.4GHz wireless network.
The utility model centralized intelligence transforming plant primary equipment temperature online monitoring system is based on transformer station's temperature monitoring system of the radio sensing network that ZigBee technology and 433MHz radio-frequency technique combine, include the ZigBee signal transfer telegon 5 of monitoring center's server 1, primary equipment on-line temperature monitoring instrument 3, several 433MHz in this system, the ZigBee signal transfer telegon 5 of each 433MHz also is connected with a plurality of ZigBee terminal node devices 8.
ZigBee terminal node device 8 wherein need to be arranged in intelligent substation primary equipment hot(test)-spot temperature monitoring device point according to monitoring, is provided with a ZigBee router one 2 and a 433MHz Star network partial node module 13 in the ZigBee signal transfer telegon 5 of 4433MHz; Each primary equipment interior arrangement has the ZigBee signal transfer telegon 5 of several ZigBee terminal node devices 8 and a 433MHz, and the ZigBee router one 2 in the ZigBee signal transfer telegon 5 of 433MHz forms ZigBee-network with the ZigBee terminal node module 13 in each ZigBee terminal node device 8; The 433MHz Star network host node module 10 of primary equipment on-line temperature monitoring terminal 3 interior settings forms the 433MHz Star network with the 433MHz Star network partial node module 13 in the ZigBee signal transfer telegon 5 of each 433MHz.
ZigBee terminal node module 13 adopts radio frequency chip MC13192, use the chip park mode to realize building of low cost, low transmission rate, low-power consumption, high efficiency wireless network, most of the time is in dormant state, regularly reading temperature sensor a14 is that digital temperature sensor DS18B20 and temperature sensor b15 are the temperature of temperature-sensitive resistance Pt100, and the temperature read is sent to ZigBee router one 2 by ZigBee-network.
The ZigBee router one 2 of ZigBee signal transfer telegon 5 inside of 433MHz receives the data that the built-in ZigBee terminal node module of primary equipment 13 sends, and follow the MODBUS agreement data are passed to 433MHz Star network partial node module 11,433MHz Star network partial node module 11 is transmitted data to 433MHz Star network host node module 10 by the 433MHz Star network.
In transformer station, the 433MHz Star network host node module 10 of primary equipment on-line temperature monitoring terminal 3 inside receives the data of all partial nodes in the 433MHz Star network, and follows the MODBUS protocol transmission to microprocessor 7; 7 pairs of all partial node data of microprocessor are carried out the operational analysis processing, man-machine interface 4 by 485 bus transfer datas to the 3 interior settings of primary equipment on-line temperature monitoring instrument, man-machine interface 4 demonstrates each monitoring point temperature and early warning and alarming on the spot, then by Ethernet and monitoring center's server 1, sets up data communication.
Centralized intelligence transforming plant primary equipment temperature online monitoring system of the present utility model can the monitoring substation disconnecting link, bus, cable, switch contact temperature (comprise indoor, outdoor, cabinet in); Transformer case temperature, oil temperature (comprise indoor, outdoor, cabinet in), line wire temperature (comprise indoor, outdoor, cabinet in); Other key point temperature (comprise indoor, outdoor, cabinet in) and other substation fields need the ruuning situation of the power equipment temperature of monitor temperature.The utility model adopts the method that temperature is carried out to remote monitoring, realizes intelligent substation primary equipment hot(test)-spot temperature on-line monitoring and early warning and warning.In whole process, the patrol officer only need just can understand these once hot standby hot(test)-spot temperatures by the upper computer software on monitoring center's server, the real-time uploading device early warning of temperature on-line monitoring device and warning message, assist dispatching center to take effective fault handling measure, real realization the fault remote online monitoring.

Claims (10)

1. centralized intelligence transforming plant primary equipment temperature online monitoring system, it is characterized in that, include monitoring central server (1), described monitoring central server (1) is connected with primary equipment on-line temperature monitoring terminal (3) by Ethernet, described primary equipment on-line temperature monitoring terminal (3) is connected with the ZigBee signal transfer telegon (5) of several 433MHz side by side by the 433MHz star network, the ZigBee signal transfer telegon (5) of each described 433MHz is connected with a plurality of ZigBee terminal node devices (8) by ZigBee-network.
2. centralized intelligence transforming plant primary equipment temperature online monitoring system according to claim 1, it is characterized in that, described primary equipment on-line temperature monitoring instrument (3), include microprocessor (7), described microprocessor (7) is connected with man-machine interface (4) by 485 network interfaces, described microprocessor (7) is connected with primary equipment on-line temperature monitoring instrument power module (2) by power lead, and described microprocessor (7) is connected with 433M Star network host node module (10) by the RS232 interface.
3. centralized intelligence transforming plant primary equipment temperature online monitoring system according to claim 2, it is characterized in that, be provided with AC/DC power module converter and linear power supply conversion element in described primary equipment on-line temperature monitoring terminal power module (2).
4. centralized intelligence transforming plant primary equipment temperature online monitoring system according to claim 2, is characterized in that, described microprocessor (7) is C8051f02 type microprocessor.
5. centralized intelligence transforming plant primary equipment temperature online monitoring system according to claim 1, it is characterized in that, the ZigBee signal transfer telegon (5) of described 433MHz, include 433MHz Star network partial node module (11), described 433MHz Star network partial node module (11) is connected with ZigBee router (12) by signal wire, and described 433MHz Star network partial node module (11) also is connected with telegon power module (6) by power lead.
6. according to the described centralized intelligence transforming plant primary equipment of claim 2 or 5 temperature online monitoring system, it is characterized in that, the 433M Star network host node module (10) in described primary equipment on-line temperature monitoring terminal (3) forms the 433MHz star network with the 433MHz Star network partial node module (11) in the ZigBee signal transfer telegon (5) of described several 433MHz.
7. centralized intelligence transforming plant primary equipment temperature online monitoring system according to claim 1, it is characterized in that, described ZigBee terminal node device (8) includes ZigBee terminal node module (13), described ZigBee terminal node module (13) by wire respectively with temperature sensor a(14), temperature sensor b(15) be connected, described ZigBee terminal node module (13) also is connected with ZigBee terminal node power module (9) by power lead.
8. centralized intelligence transforming plant primary equipment temperature online monitoring system according to claim 7, is characterized in that, described temperature sensor a(14) be digital temperature sensor DS18B20.
9. centralized intelligence transforming plant primary equipment temperature online monitoring system according to claim 7, is characterized in that, described temperature sensor b(15) be thermistor Pt100 temperature sensor.
10. centralized intelligence transforming plant primary equipment temperature online monitoring system according to claim 7, is characterized in that, described ZigBee terminal node module (13) adopts radio frequency chip MC13192.
CN 201220669097 2012-12-06 2012-12-06 Primary equipment temperature on-line monitoring system for concentrative intelligent substation CN202956217U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398794A (en) * 2013-07-29 2013-11-20 哈尔滨电机厂有限责任公司 On-line monitoring system for end parameters of large power generating equipment
CN103424219A (en) * 2013-08-20 2013-12-04 中国南方航空工业(集团)有限公司 Dynamometer system
CN105043592A (en) * 2015-08-05 2015-11-11 国网山东省电力公司东营供电公司 Transformer oil temperature monitoring system and method based on wireless local area network
CN105258811A (en) * 2015-11-27 2016-01-20 国网重庆市电力公司电力科学研究院 ZigBee-based unmanned transformer substation temperature monitoring system
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
CN105548804A (en) * 2015-12-08 2016-05-04 青岛乾程智能配电有限公司 Power line fault indicator probe
CN108444603A (en) * 2018-03-15 2018-08-24 上海士翌测试技术有限公司 The intelligent movable distributed diagnosis system of instrument is examined based on infrared thermal imaging point

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398794A (en) * 2013-07-29 2013-11-20 哈尔滨电机厂有限责任公司 On-line monitoring system for end parameters of large power generating equipment
CN103424219A (en) * 2013-08-20 2013-12-04 中国南方航空工业(集团)有限公司 Dynamometer system
CN103424219B (en) * 2013-08-20 2015-08-19 中国南方航空工业(集团)有限公司 Dynamometer system
CN105043592A (en) * 2015-08-05 2015-11-11 国网山东省电力公司东营供电公司 Transformer oil temperature monitoring system and method based on wireless local area network
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
CN105258811A (en) * 2015-11-27 2016-01-20 国网重庆市电力公司电力科学研究院 ZigBee-based unmanned transformer substation temperature monitoring system
CN105548804A (en) * 2015-12-08 2016-05-04 青岛乾程智能配电有限公司 Power line fault indicator probe
CN108444603A (en) * 2018-03-15 2018-08-24 上海士翌测试技术有限公司 The intelligent movable distributed diagnosis system of instrument is examined based on infrared thermal imaging point

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C14 Grant of patent or utility model
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Effective date of registration: 20140814

Address after: 710075 Shaanxi city of Xi'an province high tech Zone Fenghui Road No. 20 Huajing Business Plaza, block B No. 11301

Patentee after: Xi'an Jin Power Electrical Co., Ltd.

Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 19

Patentee before: Xi'an Engineering Univ.

ASS Succession or assignment of patent right

Owner name: XI AN JINPOWER ELECTRICAL CO., LTD.

Free format text: FORMER OWNER: XI AN ENGINEERING UNIV.

Effective date: 20140814

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Free format text: CORRECT: ADDRESS; FROM: 710048 XI AN, SHAANXI PROVINCE TO: 710075 XI AN, SHAANXI PROVINCE