CN202734986U - Wireless and online temperature monitoring system of transformer station - Google Patents
Wireless and online temperature monitoring system of transformer station Download PDFInfo
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- CN202734986U CN202734986U CN 201220415330 CN201220415330U CN202734986U CN 202734986 U CN202734986 U CN 202734986U CN 201220415330 CN201220415330 CN 201220415330 CN 201220415330 U CN201220415330 U CN 201220415330U CN 202734986 U CN202734986 U CN 202734986U
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Abstract
The utility model provides a wireless and online temperature monitoring system of a transformer station. The wireless and online temperature monitoring system of the transformer station includes a temperature measuring device, a receiving and transferring device, a centralized receiving device, a centralized display device and an upper computer. The temperature measuring device, the receiving and transferring device and the centralized receiving device are provided with wireless communication modules respectively. The wireless and online temperature monitoring system of the transformer station is characterized in that temperature signals of the temperature measuring device are received wirelessly by the receiving and transferring device; output signals of the receiving and transferring device are received wirelessly by the centralized receiving device; the centralized receiving device is communicated with the centralized display device through an RS-485 bus; the centralized display device is in communicational display with the upper computer through the RS-485 bus or the TCP/IP network protocol. Therefore, the networking of the wireless and online temperature monitoring system of the transformer station is realized, and the automation degrees of unattended operation and blind spot inspection are improved.
Description
Technical field
The present invention relates to a kind of monitoring system of Substation Electric Equipment, especially relate to wireless temperature online detection system of a kind of transformer station.
Background technology
The inspection and maintenance that is widely used to equipment of 6kV, 10kV and 35kV handcart switch cabinet brings great convenience in recent years.Faying surface in the handcart switch cabinet is comprised of the moving contact of plum blossom-shaped and the static contact of sleeve-shaped, and causing this faying surface contact resistance to increase has following reason: the breakage of dynamic and static contact silver coating or oxidation; Moving contact spring is unable to cause loose contact; Though handcart in " work " position moving contact do not put in place and cause the dynamic/static contact loose contact; These reasons cause its contact resistance easily to increase, and cause temperature to raise, and the most worrying beyond doubt for the loop of large electric current, this situation is present on cable bond head and the busbar shiplap joint head too.
For a long time, these positions are the blind spots of spot check always, although the mode that the operations staff often also takes to patrol and examine is come monitoring equipment ruuning situation, but because the singularity of the device structures such as switch cubicle, there are the actual state that can't patrol and examine dynamic/static contact, cable bond head and busbar shiplap joint head place in operation and maintainer, and this blind spot problem of patrolling and examining is badly in need of solving.
Function based on the wireless temperature online detection system of transformer station of wireless communication technique is to realize the real time temperature monitoring of dynamic/static contact lap-joint, so that the operations staff can in time grasp the real time temperature of monitored point and the variation tendency of temperature, realize the predictability of equipment failure, improved the normal reliability of operation of the equipment that guarantees.
The utility model content
The purpose of this utility model provides wireless temperature online detection system of a kind of transformer station, solves personnel's inspection device and has the problem of patrolling and examining blind spot.
To achieve these goals, the utility model provides wireless temperature online detection system of a kind of transformer station, comprise temperature measuring equipment, receive transferring device, concentrate receiving trap, centralized display device and host computer, temperature measuring equipment, receive transferring device and concentrated receiving trap and be respectively arranged with wireless communication module, the temperature signal of temperature measuring equipment is received the transferring device wireless receiving, the output signal that receives transferring device is concentrated the receiving trap wireless receiving, concentrate receiving trap by RS-485 bus and centralized display device communication, centralized display device is by RS-485 bus or TCP/IP procotol and upper machine communication demonstration.
Described temperature measuring equipment comprises static contact temperature measuring equipment and/or moving contact temperature measuring equipment and/or device for measuring temperature of cable joint and/or busbar joint temperature measuring equipment, and host computer comprises on the spot host computer and far-end host computer.
Concentrated receiving trap receives at least one or the signal with last reception transferring device, and transfer receiving trap receives at least one or the signal with last temperature measuring equipment.
Perhaps also can in centralized display device, be provided with wireless communication module, with centralized display device on the spot behind the signal of centralized displaying temperature measuring equipment, successively and on the spot host computer and far-end upper machine communication.
Static contact/moving contact/cable splice/busbar joint temperature measuring equipment comprises that respectively temperature information collecting part, transducer or import battery part (power supply supply), wireless communication module, device fixed part etc. partly form.
Receive the terminal that transferring device is equivalent to system temperature information, the temperature information that receives is transferred to farther concentrated receiving trap with wireless form after modulation.
Concentrated receiving trap receives all temperature informations and is transferred to centralized display device through RS-485.
Centralized display device comprises the functions such as perfect man-machine interface and powerful data processing, storage, is provided with TCP/IP interface and RS-485 communication interface.
The host computer Display Realization networking of temperature monitoring system, improved the automaticity of Unmanned Transformer Place.
The beneficial effects of the utility model are the networkings that realized temperature monitoring system, have improved the automaticity that unmanned and blind spot are patrolled and examined.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing:
Embodiment one, as shown in Figure 1, the present embodiment provides a kind of wireless temperature online detection system of transformer station of centralized displaying structure, comprise 18 temperature measuring equipments, 2 receive transferring device, 1 concentrated receiving trap, 1 centralized display device, 1 on the spot host computer and 1 far-end host computer, temperature measuring equipment, receive transferring device and concentrated receiving trap and be respectively arranged with wireless communication module, the temperature signal of temperature measuring equipment is received the transferring device wireless receiving, the output signal that receives transferring device is concentrated the receiving trap wireless receiving, concentrate receiving trap by RS-485 bus and centralized display device communication, centralized display device shows by TCP/IP procotol and far-end upper machine communication by RS-485 bus and on the spot upper machine communication demonstration.
Temperature measuring equipment comprises some static contact temperature measuring equipments, moving contact temperature measuring equipment, device for measuring temperature of cable joint and busbar joint temperature measuring equipment, and host computer comprises on the spot host computer and far-end host computer.
1 concentrated receiving trap receives 2 signals that receive transferring devices, and 1 transfer receiving trap receives the signal to 9 temperature measuring equipments.
Receive the terminal that transferring device is equivalent to system temperature information, the temperature information that receives is transferred to farther concentrated receiving trap with wireless form after modulation.
Concentrated receiving trap receives all temperature informations and is transferred to centralized display device through RS-485.
Centralized display device comprises the functions such as perfect man-machine interface and powerful data processing, storage, is provided with TCP/IP interface and RS-485 communication interface.
The host computer Display Realization networking of temperature monitoring system, improved the automaticity of Unmanned Transformer Place.
The static contact temperature measuring equipment is comprised of temperature sensor, sensor signal processing circuit, wireless launcher, battery and device fixed part etc.Temperature sensor adopts the high-precision temperature digital sensor DS18B20 of imported from America, and its temperature-measuring range is at 0～150 ℃, and precision is at ± 1 ℃, and sensor is output as digital signal, is not subjected to the impact of electromagnetic interference (EMI) and power supply voltage fluctuation, and is reliable and practical.The disposal route that signal processing circuit adopts software filtering and hardware filtering to combine guarantees thermometric security.The working frequency range of wireless launcher is 2.4Ghz, and temperature signal is through the carrier-wave transmission of modulation by 2.4Ghz.This communication frequency band is national radio council's approval and is widely used in the short distance communication.Battery adopts the imported with original packaging battery, and reach more than 6 years its serviceable life.
The moving contact temperature measuring equipment is comprised of temperature sensor, sensor signal processing circuit, wireless launcher, power supply and device fixed part etc.Temperature sensor adopts the temperature sensors of high precision of imported from America, and its temperature-measuring range is at 0～150 ℃, and precision is at ± 1 ℃, and sensor is output as digital signal, is not subjected to the impact of electromagnetic interference (EMI) and power supply voltage fluctuation, and is reliable and practical.The disposal route that signal processing circuit adopts software filtering and hardware filtering to combine guarantees thermometric security.The working frequency range of wireless launcher is 2.4Ghz, and temperature signal is through the carrier-wave transmission of modulation by 2.4Ghz.This communication frequency band is national radio council's approval and is widely used in the short distance communication.Power acquisition has the characteristics such as high temperature resistant, large capacity with Israel's import military products battery, guarantees that the temperature measuring equipment normal operation is more than 6 years.
Cable bond head and busbar shiplap joint head temperature measuring equipment with moving/the static contact temperature measuring equipment is identical, just installation accessories is different.
The reception transferring device reads temperature signal by digital demodulation after matching with contact temperature measurement device frequency range (2.4Ghz).Then by the increase emissive power temperature signal is modulated to and is transferred to farther concentrated receiving trap on the wireless carrier, this device has the output of two-stage temperature overtemperature alarm.Accompanying drawing eight is for receiving the transferring device pictorial diagram.
Concentrate receiving trap will receive the temperature signal that transfer transmits by demodulation and read, by the RS-485 communication temperature is reached centralized display device.Concentrated receiving trap is installed in the centralized display device bottom, is installed in together on switch gear room's interior walls with centralized display device, only need use by RS-485 be connected receiving trap to connect to get final product.
Centralized display device adopts 5.7 inches TFT liquid crystal displays, and is elegant in appearance.Can be installed on the wall of switch gear room, need not perforate installation on switch cabinet panel, be highly suitable for the transformation of power distribution cabinet; System communication interface is TCP/IP network communication or RS-485 bus communication; In centralized display device, be provided with massage storage, can store historical data and the alert data of all points for measuring temperature in each switch cubicle and also can have access at any time.Can carry out data analysis to key point and alarm set point by the inquiry of historical data and the inquiry of reporting to the police.
Embodiment two, the present embodiment adopts a kind of dispersion centralized displaying structure, adopt 18 temperature measuring equipments, 2 centralized display device, 1 on the spot host computer and 1 far-end host computer, be provided with wireless communication module in every centralized display device, gather separately 9 temperature measuring equipment signals, centralized display device is by RS-485 bus and upper machine communication on the spot, and host computer and far-end host computer pass through the communication of TCP/IP communications protocol on the spot, and all the other are such as embodiment one.
The beneficial effect of the present embodiment one and embodiment two is the networking that has realized temperature monitoring system, has improved the automaticity that unmanned and blind spot are patrolled and examined.
Claims (4)
1. wireless temperature online detection system of transformer station, comprise temperature measuring equipment, receive transferring device, concentrate receiving trap, centralized display device and host computer, temperature measuring equipment, receive transferring device and concentrated receiving trap and be respectively arranged with wireless communication module, it is characterized in that: the temperature signal of temperature measuring equipment is received the transferring device wireless receiving, the output signal that receives transferring device is concentrated the receiving trap wireless receiving, concentrate receiving trap by RS-485 bus and centralized display device communication, centralized display device is by RS-485 bus or TCP/IP procotol and upper machine communication demonstration.
2. wireless temperature online detection system of a kind of transformer station according to claim 1, it is characterized in that: described temperature measuring equipment comprises static contact temperature measuring equipment and/or moving contact temperature measuring equipment and/or device for measuring temperature of cable joint and/or busbar joint temperature measuring equipment, and host computer comprises on the spot host computer and far-end host computer.
3. wireless temperature online detection system of a kind of transformer station according to claim 1 and 2, it is characterized in that: concentrated receiving trap receives at least one or the signal with last reception transferring device, and transfer receiving trap receives at least one or the signal with last temperature measuring equipment.
4. wireless temperature online detection system of a kind of transformer station according to claim 1 is characterized in that: be provided with wireless communication module in the centralized display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220415330 CN202734986U (en) | 2012-08-21 | 2012-08-21 | Wireless and online temperature monitoring system of transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220415330 CN202734986U (en) | 2012-08-21 | 2012-08-21 | Wireless and online temperature monitoring system of transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734986U true CN202734986U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220415330 Expired - Fee Related CN202734986U (en) | 2012-08-21 | 2012-08-21 | Wireless and online temperature monitoring system of transformer station |
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| CN (1) | CN202734986U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237052A (en) * | 2013-03-26 | 2013-08-07 | 国家电网公司 | Wireless temperature measuring system for online substation monitoring |
| CN103390339A (en) * | 2013-07-30 | 2013-11-13 | 国家电网公司 | Coordinator for temperature acquisition of substation equipment |
| CN103398787A (en) * | 2013-07-30 | 2013-11-20 | 国家电网公司 | Temperature monitoring system and monitoring method for transformer substation equipment |
| CN105279941A (en) * | 2015-12-01 | 2016-01-27 | 国家电网公司 | Intelligent device remote data acquisition system |
| CN108132416A (en) * | 2017-11-11 | 2018-06-08 | 深圳供电局有限公司 | Wireless monitoring system for power equipment |
| CN108444614A (en) * | 2018-06-25 | 2018-08-24 | 国网冀北电力有限公司唐山供电公司 | A kind of GIS cable terminals temperature wireless monitoring system |
| CN109186779A (en) * | 2018-10-13 | 2019-01-11 | 国家电网有限公司 | A kind of substation equipment temperature monitoring warning system |
-
2012
- 2012-08-21 CN CN 201220415330 patent/CN202734986U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237052A (en) * | 2013-03-26 | 2013-08-07 | 国家电网公司 | Wireless temperature measuring system for online substation monitoring |
| CN103390339A (en) * | 2013-07-30 | 2013-11-13 | 国家电网公司 | Coordinator for temperature acquisition of substation equipment |
| CN103398787A (en) * | 2013-07-30 | 2013-11-20 | 国家电网公司 | Temperature monitoring system and monitoring method for transformer substation equipment |
| CN105279941A (en) * | 2015-12-01 | 2016-01-27 | 国家电网公司 | Intelligent device remote data acquisition system |
| CN105279941B (en) * | 2015-12-01 | 2019-02-19 | 国家电网公司 | Intelligent apparatus remote data acquisition system |
| CN108132416A (en) * | 2017-11-11 | 2018-06-08 | 深圳供电局有限公司 | Wireless monitoring system for power equipment |
| CN108444614A (en) * | 2018-06-25 | 2018-08-24 | 国网冀北电力有限公司唐山供电公司 | A kind of GIS cable terminals temperature wireless monitoring system |
| CN109186779A (en) * | 2018-10-13 | 2019-01-11 | 国家电网有限公司 | A kind of substation equipment temperature monitoring warning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGYUAN SHENRUI MONITORING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NANJING QINENG ELECTRONICS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: North Road, Nanjing City, Jiangsu province 210003 No. 90 building two floor Patentee after: CYG SUNRI MONITORING TECHNOLOGY CO., LTD. Address before: North Road, Nanjing City, Jiangsu province 210003 No. 90 building two floor Patentee before: Nanjing Qineng Electric Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20200821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |