CN105784136A - Online temperature monitoring system for transformer station high voltage switch cabinet - Google Patents
Online temperature monitoring system for transformer station high voltage switch cabinet Download PDFInfo
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- CN105784136A CN105784136A CN201610196369.3A CN201610196369A CN105784136A CN 105784136 A CN105784136 A CN 105784136A CN 201610196369 A CN201610196369 A CN 201610196369A CN 105784136 A CN105784136 A CN 105784136A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to an online temperature monitoring system for a transformer station high voltage switch cabinet. The system comprises a temperature monitoring module, a temperature concentration module and an OPC server module which are sequentially connected, wherein the temperature monitoring module is at least one in number, the temperature concentration module realizes data transmission with the OPC server module through RS232, the temperature monitoring module comprises a temperature sensor and a temperature acquisition unit which are sequentially connected, the temperature sensor is at least one in number, and the temperature acquisition unit realizes data transmission with the temperature concentration module through a ZigBee wireless network. Compared with the prior art, the system can not only realize networking of all switch cabinets in a transformer station for temperature monitoring, the temperature information is further provided with other measurement and control platforms through an OPC interface, information sharing is realized, and redundant platforms can be reduced, moreover, integration of multiple transformer station switch cabinet temperature information monitoring platforms in a geographic area can be realized through the OPC interface, and unified and comprehensive management is convenient.
Description
Technical field
The invention belongs to Wireless Ad Hoc Networks, embedded system and (distributed) The Component Object Model (COM/DCOM) technical field, particularly relate to a kind of high-voltage switch cabinet of transformer substation temperature online monitoring system.
Background technology
Along with carrying out of intelligent substation building-up work, requiring more and more higher to power supply reliability, the temperature height of high-voltage switch cabinet of transformer substation directly affects the properly functioning of power system, and the importance of on-line temperature monitoring highlights day by day.Temperature of high-tension switch cabinet monitoring has the following characteristics that temperature measurement node is numerous, high-side sensor powerup issue, wiring problem, information sharing problem.Traditional temperature indicating paster and hand-held infrared radiation thermometer belong to the mode of manual inspection, there is wretched insufficiency.Wired thermometric mode, as " creepage " phenomenon easily occurs in optical fiber grating temperature-measuring, brings Insulation Problems, and wiring cost is high, is not easy lead-in wire in high-pressure side.The wireless temperature monitoring system grown up in recent years adopts battery or special mutual inductor coil sensing high voltage side current to be that temperature sensor is powered mostly, and the former exists high temperature and easily causes the problem of battery explosion or chemistry leakage and change battery inconvenience；The latter is subject to load fluctuation impact, and supply voltage is unstable, affects the normal operation of temperature sensor.
Furthermore, existing temperature of high-tension switch cabinet monitoring system is mostly relatively isolated, self-organizing system, the simply switch cabinet temperature in the temperature of key point or a transformer station in one switch cubicle of monitoring, it is difficult to be dissolved into transformer station's existing information management platform, or regional establishment temperature monitoring network, it is achieved platform intergration, information sharing, integrated management.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of interface opening be provided, be easily integrated, the high-voltage switch cabinet of transformer substation temperature online monitoring system of passive and wireless.
The purpose of the present invention can be achieved through the following technical solutions: a kind of high-voltage switch cabinet of transformer substation temperature online monitoring system, including the temperature monitoring module being sequentially connected with, temperature Centralized module and opc server module, described temperature monitoring module is at least provided with one, one corresponding on-line temperature monitoring module of switch cubicle, each switch cabinet temperature on-line monitoring module works alone, is independent of each other.Described temperature Centralized module and opc server module are carried out data transmission by RS232,
Described temperature monitoring module includes the temperature sensor and the temperature collecting cell that are sequentially connected with, and described temperature sensor is at least provided with one, and described temperature collecting cell is carried out data transmission by ZigBee wireless network and temperature Centralized module.
Described temperature sensor and temperature collecting cell are carried out data transmission by RFID.
Described temperature sensor is the temperature sensor based on surface acoustic wave techniques, and the thermometric mode based on SAW Temperature Sensors has low-power consumption, passive and wireless, wiring strong, certainty of measurement advantages of higher simple, anti-interference.The temperature sensor difference according to temperature monitoring point position, selects difform temperature sensor so that installing, and the quantity of temperature sensor is determined according to the quantity of key temperatures monitoring point in switch cubicle.
Described temperature collecting cell includes audible-visual annunciator, alarm is sent during for temperature beyond limit, temperature collecting cell is responsible for carrying out information exchange with the side temperature sensor of switch cubicle inner high voltage, and the temperature information resolved is passed through wireless network transmissions in temperature Centralized module, there is display and transporting function on the spot, temperature collecting cell also includes first microprocessor, first power supply, oneth ZigBee chip, display, rf chip, memorizer, matching network circuit and antenna, antenna, matching network circuit and rf chip are sequentially connected with, first power supply is display, oneth ZigBee chip, audible-visual annunciator, rf chip and memorizer are powered, display, oneth ZigBee chip, audible-visual annunciator and memorizer are all connected with first microprocessor.
Described temperature Centralized module includes GSM message unit, sends alarm message to designated person during for temperature beyond limit.Temperature Centralized module is responsible for the temperature information concentrating each on-line temperature monitoring module of reception to upload, temperature Centralized module also includes the second microprocessor, second serial and the 2nd ZigBee chip, second microprocessor is connected by second serial and the 2nd ZigBee chip, is responsible for building and safeguarding the ZigBee wireless network of whole system；Being connected with GSM message unit by first serial, for sending alarm message when temperature is beyond setting threshold values to designated person, second source is responsible for the second microprocessor, GSM message unit, second serial and the 2nd ZigBee chip power supply.
Described opc server module includes opc server and the temperature display unit being all connected with described opc server, data query unit, parameter set unit, service management unit, safeguards unit, System Management Unit.
Temperature display unit is responsible for all switch cabinet temperature information in the transformer station of display in real time, and with curve chart displays temperature variation tendency, carries out temperature pre-warning；Data query unit is responsible for query history temperature information, and with report form type information；Parameter set unit is responsible for arranging temperature acquisition speed, uploading rate, threshold value of warning and messaging parameter；Service management unit is responsible for login user information and authority；Safeguard that unit is responsible for registration or cancel register opc server, increase, delete sensor device, maintenance sensor address；System Management Unit is responsible for the display of upper computer software, layout management.Opc server provides the OPC data access interface of standard, carries out data access for OPC client by OPC interface, has the functions such as display, early warning, setting, printing reports, data query, OPC maintenance.
Compared with prior art, the invention have the advantages that
(1) this system adopts the temperature sensor of passive and wireless, and can select difformity sensor according to different points for measuring temperature, compared with function system of the same race, native system in high-pressure side without wiring, power without battery, convenient for installation and maintenance, and it is absent from High-Voltage Insulation problem；
(2) temperature sensor that this system adopts has strong, long service life, precision advantages of higher low in energy consumption, anti-interference；
(3) this system adopts ZigBee wireless ad hoc network to carry out data transmission, it is not necessary to wiring, or seldom connects up, and installs, easy to maintenance, reduces wiring cost, overcomes the wiring of the numerous and diverse redundancy in substation secondary side, debugging, troubleshooting work；
(4) the measured OPC data access specification of this system, the difference of shielding device underlying protocol, it is achieved equipment interoperability and seamless link.Reduce transformer station's resource occupation, overcome the drawback of platform redundancy.It is easy to the information sharing of monitoring platform, it is possible to realize independent or regional transformer station temperature monitoring system networking, it is simple to integrated management.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of temperature collecting cell；
Fig. 3 is the structural representation of temperature Centralized module；
Fig. 4 is the structural representation of opc server module；
Fig. 5 is the structure chart that the present invention calls for other platform in station；
Fig. 6 is region networking structure figure of the present invention.
nullFigure is designated: 1 temperature monitoring module，2 temperature sensors，3 temperature collecting cells，4 temperature Centralized modules，5OPC server，6 first microprocessors，7 display，8 the oneth ZigBee chips，9 audible-visual annunciators，10 memorizeies，11 matching network circuits，12 rf chips，13 first power supplys，14 the 2nd ZigBee chips，15 second serials，16 second microprocessors，17 first serials，18GSM note unit，19 second sources，20 temperature display units，21 data query unit，22 parameter set unit，23 service management unit，24 safeguard unit，25 System Management Unit，26SCADA system，27 the oneth OPC client interface unit，28 measure and control devices，29 the 2nd OPC client interface unit，30 protection devices，31 the 3rd OPC client interface unit，32 second opc servers，33 first temperature monitoring systems，34 integrated temperature monitor supervision platforms，35 the 4th OPC client interface unit，36 the 3rd opc servers，37 second temperature monitoring systems，38 the 4th opc servers，39 the 3rd temperature monitoring systems.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, a kind of high-voltage switch cabinet of transformer substation temperature online monitoring system, including the temperature monitoring module 1 being sequentially connected with, temperature Centralized module 4 and opc server 5 module, temperature monitoring module 1 is provided with two, one corresponding temperature monitoring module 1 of switch cubicle, each temperature monitoring module 1 works alone, is independent of each other.Temperature Centralized module 4 and opc server 5 module are carried out data transmission by RS232,
Temperature monitoring module 1 includes the temperature sensor 2 and the temperature collecting cell 3 that are sequentially connected with, and temperature sensor 2 is provided with two, and temperature collecting cell 3 is carried out data transmission by ZigBee wireless network and temperature Centralized module 4.Temperature sensor 2 is the temperature sensor 2 based on surface acoustic wave techniques, and the thermometric mode based on SAW Temperature Sensors 2 has low-power consumption, passive and wireless, wiring strong, certainty of measurement advantages of higher simple, anti-interference.The temperature sensor 2 difference according to temperature monitoring point position, selects difform temperature sensor 2 so that installing, and the quantity of temperature sensor 2 is determined according to the quantity of key temperatures monitoring point in switch cubicle.Temperature sensor 2 and temperature collecting cell 3 are carried out data transmission by RFID.
nullAs shown in Figure 2，Temperature collecting cell 3 is responsible for carrying out information exchange with switch cubicle inner high voltage side temperature sensor 2，And the temperature information resolved is passed through wireless network transmissions in temperature Centralized module 4，There is display and transporting function on the spot，Temperature collecting cell 3 includes first microprocessor 6、The audible-visual annunciator 9 of alarm is sent during for temperature beyond limit、First power supply 13、Oneth ZigBee chip 8、Display 7、Rf chip 12、Memorizer 10、Matching network circuit 11 and antenna，Antenna、Matching network circuit 11 and rf chip 12 are sequentially connected with，First power supply 13 is display 7、Oneth ZigBee chip 8、Audible-visual annunciator 9、Rf chip 12 and memorizer 10 are powered，Display 7、Oneth ZigBee chip 8、Audible-visual annunciator 9 and memorizer 10 are all connected with first microprocessor 6.
As shown in Figure 3, temperature Centralized module 4 is responsible for the temperature information concentrating each on-line temperature monitoring module of reception to upload, GSM message unit 18, second microprocessor 16 of alarm message, second serial 15 and the 2nd ZigBee chip 14 is sent to designated person when temperature Centralized module 4 includes for temperature beyond limit, second microprocessor 16 is connected with the 2nd ZigBee chip 14 by second serial 15, is responsible for building and safeguarding the ZigBee wireless network of whole system；It is connected with GSM message unit 18 by first serial 17, for sending alarm message when temperature is beyond setting threshold values to designated person, second source 19 is responsible for powering to the second microprocessor 16, GSM message unit 18, second serial 15 and the 2nd ZigBee chip 14.
As shown in Figure 4, temperature display unit 20, data query unit 21, parameter set unit 22, service management unit 23 that opc server 5 module includes all being connected with opc server 5, safeguard unit 24, System Management Unit 25,
Temperature display unit 20 is responsible for all switch cabinet temperature information in the transformer station of display in real time, and with curve chart displays temperature variation tendency, carries out temperature pre-warning；Data query unit 21 is responsible for query history temperature information, and with report form type information；Parameter set unit 22 is responsible for arranging temperature acquisition speed, uploading rate and messaging parameter；Service management unit 23 is responsible for login user information and authority；Safeguard that unit 24 is responsible for registration or cancel register opc server 5, increase, delete sensor device, maintenance sensor address；System Management Unit 25 is responsible for the display of upper computer software, layout management.Opc server 5 provides the OPC data access interface of standard, carries out data access for OPC client by OPC interface, has the functions such as display, early warning, setting, printing reports, data query, OPC maintenance.
As shown in Figure 5; temperature information is uploaded to the second opc server 32 by the first temperature monitoring system 33; SCADA system 26 is by an OPC client interface unit 27; measure and control device 28 in transformer station is by the 2nd OPC client interface unit 29, and protection device 30 can realize calling of switch cabinet temperature information by the 3rd OPC client interface unit 31.
As shown in Figure 6, the second on-line temperature monitoring system 37 in No. 1 transformer station is by the 3rd temperature opc server 36, the 3rd on-line temperature monitoring system 39 in No. 2 transformer stations is by the 4th temperature opc server 38, it is connected on private network of electric power system, integrated temperature monitor supervision platform 34 carries out data access by the 4th OPC client interface unit 35, realize the regional networking of switch cabinet of converting station temperature monitoring system platform, it is simple to unified monitoring management.
Embodiment 2
In the present embodiment, temperature monitoring module 1 is provided with 10, is provided with 3 temperature sensors 2 in each temperature monitoring module 1, and all the other are with embodiment 1.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610196369.3A CN105784136A (en) | 2016-03-31 | 2016-03-31 | Online temperature monitoring system for transformer station high voltage switch cabinet |
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| CN201610196369.3A CN105784136A (en) | 2016-03-31 | 2016-03-31 | Online temperature monitoring system for transformer station high voltage switch cabinet |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885987A (en) * | 2017-04-13 | 2017-06-23 | 国网宁夏电力公司吴忠供电公司 | A kind of high voltage isolator on-line monitoring system based on modal analysis method |
| CN107300421A (en) * | 2017-05-19 | 2017-10-27 | 四川成瑞科技有限公司 | Temperature monitoring network-building method and device |
| CN107687908A (en) * | 2017-08-24 | 2018-02-13 | 重庆大学 | A kind of method and system for the temperature rise focus and temperature monitoring for obtaining dry-type air-core reactor |
| RU2726734C1 (en) * | 2019-06-17 | 2020-07-16 | Общество с ограниченной ответственностью "Геофизическая томография" (ООО "ГеоТом") | Temperature measurement system |
| CN111486991A (en) * | 2020-05-09 | 2020-08-04 | 国家电网有限公司 | Overheating risk early warning device and early warning method for 10kV high-voltage switch cabinet |
| CN113297865A (en) * | 2021-05-21 | 2021-08-24 | 贵州电网有限责任公司 | Switch cabinet data management method and system based on RFID temperature tag |
| CN114563091A (en) * | 2020-11-13 | 2022-05-31 | 山西潞安煤基清洁能源有限责任公司 | Method and system for monitoring temperature between cabinets and electronic equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885987A (en) * | 2017-04-13 | 2017-06-23 | 国网宁夏电力公司吴忠供电公司 | A kind of high voltage isolator on-line monitoring system based on modal analysis method |
| CN107300421A (en) * | 2017-05-19 | 2017-10-27 | 四川成瑞科技有限公司 | Temperature monitoring network-building method and device |
| CN107300421B (en) * | 2017-05-19 | 2020-09-01 | 国网青海省电力公司西宁供电公司 | Temperature monitor networking method and device |
| CN107687908A (en) * | 2017-08-24 | 2018-02-13 | 重庆大学 | A kind of method and system for the temperature rise focus and temperature monitoring for obtaining dry-type air-core reactor |
| RU2726734C1 (en) * | 2019-06-17 | 2020-07-16 | Общество с ограниченной ответственностью "Геофизическая томография" (ООО "ГеоТом") | Temperature measurement system |
| CN111486991A (en) * | 2020-05-09 | 2020-08-04 | 国家电网有限公司 | Overheating risk early warning device and early warning method for 10kV high-voltage switch cabinet |
| CN114563091A (en) * | 2020-11-13 | 2022-05-31 | 山西潞安煤基清洁能源有限责任公司 | Method and system for monitoring temperature between cabinets and electronic equipment |
| CN113297865A (en) * | 2021-05-21 | 2021-08-24 | 贵州电网有限责任公司 | Switch cabinet data management method and system based on RFID temperature tag |
| CN113297865B (en) * | 2021-05-21 | 2023-06-20 | 贵州电网有限责任公司 | Switch cabinet data management method based on RFID temperature label |
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Application publication date: 20160720 |