CN105509927A - Substation temperature measuring method and system - Google Patents

Substation temperature measuring method and system Download PDF

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Publication number
CN105509927A
CN105509927A CN201510854495.9A CN201510854495A CN105509927A CN 105509927 A CN105509927 A CN 105509927A CN 201510854495 A CN201510854495 A CN 201510854495A CN 105509927 A CN105509927 A CN 105509927A
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CN
China
Prior art keywords
temperature
frequency
reading
radio
temperature sensor
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Pending
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CN201510854495.9A
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Chinese (zh)
Inventor
张喜平
赵文博
曲骅
张勇志
邱军旗
陈波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Application filed by Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority to CN201510854495.9A priority Critical patent/CN105509927A/en
Publication of CN105509927A publication Critical patent/CN105509927A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes

Abstract

The invention relates to a substation temperature measuring method and system. The method includes the following steps that: a temperature sensor is utilized to acquire the temperature of equipment to be measured in a substation, so that the temperature data of the equipment to be measured can be obtained, wherein the temperature sensor is arranged at a temperature sensing node on the equipment to be measured; a radio frequency tag connected with the temperature sensor acquires the temperature data and transmits the temperature data to a reading device; and the reading device receives the temperature data transmitted by the radio frequency tag and uploads the temperature data to a database server through network communication. With the substation temperature measuring method and system adopted, based on radio frequency identification technologies, automatic and real-time monitoring of the equipment to be measured can be realized; and data support can be provided for early diagnosis and early warning analysis of equipment failure, so that the fault prevention capacity of power distribution and transformation equipment can be improved. The substation temperature measuring method and system have the advantages of high detection efficiency and high real-time performance.

Description

Transformer station's temp measuring method and system
Technical field
The present invention relates to electric power network monitoring technical field, particularly relate to a kind of transformer station temp measuring method and system.
Background technology
Along with the fast development of China's economy, higher requirement be it is also proposed to the safe operation of power equipment in power transmission network, and temperature during power equipment operation, especially the temperature of tie point, very important impact is had on the normal operation of power equipment, because the transformer of the medium-term and long-term operation of transformer station, isolating switch, reactor, disconnector, lightning arrester, turnover busbar joint, conductive bus bar, the tie point of high-tension switch cabinet etc., often because loaded current is excessive or the reason such as surface oxidation causes contact resistance value to increase, and then cause the temperature of tie point too high, easy generation hyperthermia and superheating fault, as non-Timeliness coverage and handling failure, the decreasing insulating of insulating element can be made, cause potential safety hazard, even cause the paralysis of power transmission network.Therefore, for ensureing the safe and stable operation of power equipment, Ge great Utilities Electric Co. has all dropped into a large amount of man power and materials on equipment routing inspection, infrared temperature sounder or the temperature of thermal imaging system to the equipment in transformer station is mainly utilized to detect at present, but this detection method not only needs to employ a large amount of personnel and equipment, and often the problems such as efficiency is low, poor real, easy undetected flase drop are patrolled and examined in existence, cause cannot the temperature variation of Timeliness coverage equipment abnormal, bring hidden danger to the safe and stable operation of power equipment.
Summary of the invention
Based on this, be necessary low for the detection efficiency in transformer station existing for equipment thermometric, poor real, easy undetected flase drop problem, a kind of transformer station temp measuring method and system are provided.
For solving the problems of the technologies described above, the present invention takes following technical scheme:
A kind of transformer station temp measuring method, said method comprising the steps of:
Utilize temperature sensor to gather the temperature of Devices to test in transformer station, obtain the temperature data of described Devices to test, described temperature sensor is arranged at the temperature sensing Nodes on described Devices to test;
The radio-frequency (RF) tag be connected with described temperature sensor obtains described temperature data, and described temperature data is sent to reading device;
Described reading device receive described radio-frequency (RF) tag send temperature data, and by network service by this temperature data uploading to database server.
The present invention also provides a kind of transformer station temp measuring system, and described system comprises the temperature sensor being arranged at temperature sensing Nodes on Devices to test, and the radio-frequency (RF) tag be connected with described temperature sensor carries out the reading device of radio communication with described radio-frequency (RF) tag,
Described temperature sensor is for gathering the temperature data of Devices to test in transformer station;
Described radio-frequency (RF) tag obtains described temperature data, and described temperature data is sent to reading device;
Described reading device for receive described radio-frequency (RF) tag send temperature data, and by network service by this temperature data uploading to database server.
Above-mentioned transformer station temp measuring method and system are based on REID, by the temperature data of temperature sensor Real-time Collection Devices to test, through the wireless transmission between radio-frequency (RF) tag and reading device, the temperature data read is uploaded to database server by reading device automatically, finally realize the automatic of device under test temperature, Real-Time Monitoring, therefore to have detection efficiency high for above-mentioned transformer station temp measuring method and system, real-time feature, Data support can be provided for the early diagnosis of equipment failure and early warning analysis, to improve the ability that allocation transformer equipment trouble saving occurs.Simultaneously, the temperature data collected due to each temperature sensor can send to reading device by corresponding radio-frequency (RF) tag, then database server is uploaded to, without the need to manually finding the temperature sensor of specifying to obtain temperature data, therefore avoid mistake and the equipment caused is undetected, flase drop etc., drastically increase the intelligent management level of transformer station.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of transformer station's temp measuring method in one of them embodiment;
Fig. 2 be in one of them embodiment reading device by temperature data uploading to the schematic diagram of database server;
Fig. 3 is the structural representation of transformer station's temp measuring system in one of them embodiment.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, technical scheme of the present invention is described in detail.
Wherein in an embodiment, see Fig. 1, provide a kind of transformer station temp measuring method, the method comprises the following steps:
S100 utilizes temperature sensor to gather the temperature of Devices to test in transformer station, and obtain the temperature data of described Devices to test, described temperature sensor is arranged at the temperature sensing Nodes on described Devices to test.
Particularly, the temperature sensor for gathering this Devices to test is disposed at the temperature sensing Nodes of transformer station's Devices to test, temperature sensor measurement obtains the temperature data of Devices to test, and this temperature data comprises the temperature of Devices to test self and the environment temperature etc. of Devices to test place environment.
As a kind of concrete embodiment, temperature sensor is active temperature sensor that is solar powered or inductive power supply.Because active temperature sensor itself has the power supply of power supply, temperature signal can be converted to the energy that electric signal provides necessity for sensor by this power supply, therefore active temperature sensor is more reliable and stable, the precision of measuring tempeature is higher, but for battery powered active temperature sensor, because battery has certain life-span, human at periodic intervals is needed to change battery, to ensure the normal work of active temperature sensor, therefore the restriction of battery life etc. self is subject to battery powered active temperature sensor, in the present embodiment, active temperature sensor that is solar powered or inductive power supply is utilized to gather the temperature of Devices to test in transformer station, wherein solar powered active temperature sensor not only saves electric energy, and environmental protection more, and the active temperature sensor of inductive power supply belongs to a kind of sensor of non-contact power, it provides electric energy in the mode of high frequency radiation to temperature sensor, without the need to other connection devices, therefore the active temperature sensor of inductive power supply has flexibly mobile, the advantage such as not affected by environment, while overcoming the defect of battery powered active temperature sensor existence, improve the practicality of transformer station's temp measuring method.
The radio-frequency (RF) tag that S110 is connected with described temperature sensor obtains described temperature data, and described temperature data is sent to reading device.
Temperature sensor is connected with radio-frequency (RF) tag, the state parameter of radio-frequency (RF) tag reading temperature sensor, and after obtaining the temperature data of corresponding Devices to test, the temperature data got is sent to reading device by radio communication by radio-frequency (RF) tag.Particularly, here radio-frequency (RF) tag and reading device form a radio-frequency recognition system jointly, in this radio-frequency recognition system, when in the working range that radio-frequency (RF) tag is in reading device, namely when radio-frequency (RF) tag enters the electromagnetic field of reading device generation, the radiofrequency signal that radio-frequency (RF) tag is sent by antenna reception reading device, and temperature data sends from antenna by the energy relying on induction current to provide.In the present embodiment, radio-frequency (RF) tag (i.e. passive label) can be passive RF label or active radio frequency label, the wherein longer service life of passive RF label, and compared with passive RF label, for active radio frequency label (i.e. active tag), because active radio frequency label itself has the power supply running institute's energy requirement for supplying internal integrated circuit, therefore active radio frequency label not only has the larger memory size of longer reading Distance geometry, and internal electric source can be relied on initiatively to send internal document data to reading device at any time, in addition active radio frequency label also have identify stability higher, reading speed is feature faster.
As a kind of concrete embodiment, reading device receives the temperature data that plural radio-frequency (RF) tag sends respectively.In the present embodiment, if multiple radio-frequency (RF) tag is all in the working range of same reading device, so each radio-frequency (RF) tag sends different carrier signals to reading device, reading device can receive or receive simultaneously the carrier signal that each radio-frequency (RF) tag is launched respectively, after the module for reading and writing decoding process in reading device, then by radio-frequency module, temperature data corresponding for each carrier signal is sent to database server.
Reading device described in S120 receive described radio-frequency (RF) tag send temperature data, and by network service by this temperature data uploading to database server.
After the temperature data of reading device by the transmission of built-in antenna received RF label, through module for reading and writing decoding process, by radio-frequency module, temperature data is sent, the temperature data sent forwards through network trunk node and signal router is sent to the webserver, finally be saved in database server, as shown in Figure 2.Communication between reading device and database server can be GPRS radio communication or USB interface wire communication etc.
Transformer station's temp measuring method that the present embodiment proposes is based on REID, by the temperature data of temperature sensor Real-time Collection Devices to test, through the wireless transmission between radio-frequency (RF) tag and reading device, the temperature data read is uploaded to database server by reading device automatically, finally realize the automatic of device under test temperature, Real-Time Monitoring, therefore to have detection efficiency high for above-mentioned transformer station temp measuring method, real-time feature, Data support can be provided for the early diagnosis of equipment failure and early warning analysis, to improve the ability that allocation transformer equipment trouble saving occurs.Simultaneously, the temperature data collected due to each temperature sensor can send to reading device by corresponding radio-frequency (RF) tag, then database server is uploaded to, without the need to manually finding the temperature sensor of specifying to obtain temperature data, therefore avoid mistake and the equipment caused is undetected, flase drop etc., drastically increase the intelligent management level of transformer station.
As a kind of concrete embodiment, described database server arranges the transmission frequency of the alarm temperature of described temperature sensor, the sample frequency of described temperature sensor and described radio-frequency (RF) tag according to user instruction.Database server is the independent specialized server for data base administration be jointly made up of or multiple stage computing machine and database management system software run in a local network, you provide service for user applies database server, comprise inquiry, renewal, transaction management, index, high-speed cache, query optimization, safety and multi-user access control etc.In the present embodiment, database server can according to the alarm temperature of user instruction by reading device set temperature sensor, here temperature sensor is integrated with corresponding warning circuit, the temperature of the Devices to test that temperature sensor gathers by warning circuit and alarm temperature compare, when the temperature that temperature sensor gathers is higher than alarm temperature, the temperature sensor of integrated warning circuit can send alarm or send a warning message to radio-frequency (RF) tag, simultaneously, database server sends the transmission frequency of temperature data according to the sample frequency of user instruction set temperature sensor and its to radio-frequency (RF) tag, user can in conjunction with the sample frequency of the flexible set temperature sensor of the concrete condition of the temperature variation of different Devices to test and transmission frequency, while meeting device under test temperature monitoring, improve monitoring efficiency.
As a kind of concrete embodiment, reading device according to preset time period by the temperature data uploading that receives to database server.After the temperature data of reading device by the transmission of built-in antenna received RF label, through module for reading and writing decoding process, by radio-frequency module and network service, temperature data is sent in database server, the temperature data received can be sent to database server by network service by reading device in real time, database server processes the temperature data that reading device sends and stores, reading device can according to certain preset time period simultaneously, such as preset time period was 10 seconds, the temperature data received is sent to database server every 10 seconds by reading device, the temperature data that database server reception reading device is periodically uploaded also processes it and stores, therefore by the setting to preset time period, while the real-time improving Devices to test temperature monitoring in transformer station, be conducive to the storage space saving database server.
Correspondingly, the present invention also proposes a kind of transformer station temp measuring system, see Fig. 3, this system comprises the temperature sensor 310 being arranged at temperature sensing Nodes on Devices to test 300, the radio-frequency (RF) tag 320 be connected with temperature sensor 310, carries out the reading device 330 of radio communication with radio-frequency (RF) tag 320
Temperature sensor 310 is for gathering the temperature data of Devices to test 300 in transformer station;
Radio-frequency (RF) tag 320 obtains temperature data, and temperature data is sent to reading device 330;
The temperature data that reading device 330 sends for received RF label 320, and by network service by this temperature data uploading to database server 340.
The present embodiment specifically comprises following content:
The temperature sensor 310 for gathering this Devices to test 300 is disposed at the temperature sensing Nodes of transformer station's Devices to test 300, the temperature data obtaining Devices to test 300 measured by temperature sensor 310, and this temperature data comprises the temperature of Devices to test 300 self and the environment temperature etc. of Devices to test 300 place environment;
Temperature sensor 310 is connected with radio-frequency (RF) tag 320, the state parameter of radio-frequency (RF) tag 320 reading temperature sensor 310, after obtaining the temperature data of corresponding Devices to test 300, the temperature data got is sent to reading device 330 by radio communication by radio-frequency (RF) tag 320, here radio-frequency (RF) tag 320 and reading device 330 form a radio-frequency recognition system jointly, in this radio-frequency recognition system, when in the working range that radio-frequency (RF) tag 320 is in reading device 330, namely when radio-frequency (RF) tag 320 enters the electromagnetic field of reading device 330 generation, the radiofrequency signal that radio-frequency (RF) tag 320 is sent by antenna reception reading device 330, and temperature data sends from antenna by the energy relying on induction current to provide, here radio-frequency (RF) tag 320 (i.e. passive label) can be passive RF label or active radio frequency label, the wherein longer service life of passive RF label, and compared with passive RF label, for active radio frequency label (i.e. active tag), because active radio frequency label itself has the power supply running institute's energy requirement for supplying internal integrated circuit, therefore active radio frequency label not only has the larger memory size of longer reading Distance geometry, and internal electric source can be relied on initiatively to send internal document data to reading device at any time, in addition active radio frequency label also have identify stability higher, reading speed is feature faster,
After the temperature data of reading device 330 by the transmission of built-in antenna received RF label 320, through module for reading and writing decoding process, by radio-frequency module, temperature data is sent, the temperature data sent forwards through network trunk node and signal router is sent to the webserver, finally be saved in database server 340, as shown in Figure 3.Communication between reading device 330 and database server 240 can be GPRS radio communication or USB interface wire communication etc.
Transformer station's temp measuring system that the present embodiment proposes is based on REID, by the temperature data of temperature sensor Real-time Collection Devices to test, through the wireless transmission between radio-frequency (RF) tag and reading device, the temperature data read is uploaded to database server by reading device automatically, finally realize the automatic of device under test temperature, Real-Time Monitoring, therefore to have detection efficiency high for above-mentioned transformer station temp measuring system, real-time feature, Data support can be provided for the early diagnosis of equipment failure and early warning analysis, to improve the ability that allocation transformer equipment trouble saving occurs.Simultaneously, the temperature data collected due to each temperature sensor can send to reading device by corresponding radio-frequency (RF) tag, then database server is uploaded to, without the need to manually finding the temperature sensor of specifying to obtain temperature data, therefore avoid mistake and the equipment caused is undetected, flase drop etc., drastically increase the intelligent management level of transformer station.
As a kind of concrete embodiment, described database server arranges the transmission frequency of the alarm temperature of described temperature sensor, the sample frequency of described temperature sensor and described radio-frequency (RF) tag according to user instruction.Database server is the independent specialized server for data base administration be jointly made up of or multiple stage computing machine and database management system software run in a local network, you provide service for user applies database server, comprise inquiry, renewal, transaction management, index, high-speed cache, query optimization, safety and multi-user access control etc.In the present embodiment, database server can according to the alarm temperature of user instruction by reading device set temperature sensor, here temperature sensor is integrated with corresponding warning circuit, the temperature of the Devices to test that temperature sensor gathers by warning circuit and alarm temperature compare, when the temperature that temperature sensor gathers is higher than alarm temperature, the temperature sensor of integrated warning circuit can send alarm or send a warning message to radio-frequency (RF) tag, simultaneously, database server is according to the sample frequency of user instruction set temperature sensor and the transmission frequency sending temperature data to radio-frequency (RF) tag, user can in conjunction with the sample frequency of the flexible set temperature sensor of the concrete condition of the temperature variation of different Devices to test and transmission frequency, while meeting device under test temperature monitoring, improve monitoring efficiency.
As a kind of concrete embodiment, reading device and plural radio-frequency (RF) tag carry out radio communication, receive the temperature data that each radio-frequency (RF) tag sends respectively.In the present embodiment, if multiple radio-frequency (RF) tag is all in the working range of same reading device, so each radio-frequency (RF) tag sends different carrier signals to reading device, reading device can receive or receive simultaneously the carrier signal that each radio-frequency (RF) tag is launched respectively, after the module for reading and writing decoding process in reading device, then by radio-frequency module, temperature data corresponding for each carrier signal is sent to database server.
As a kind of concrete embodiment, reading device according to preset time period by the temperature data uploading that receives to database server.After the temperature data of reading device by the transmission of built-in antenna received RF label, through module for reading and writing decoding process, by radio-frequency module and network service, temperature data is sent in database server, the temperature data received can be sent to database server by network service by reading device in real time, database server processes the temperature data that reading device sends and stores, reading device can according to certain preset time period simultaneously, such as preset time period was 10 seconds, the temperature data received is sent to database server every 10 seconds by reading device, the temperature data that database server reception reading device is periodically uploaded also processes it and stores, therefore by the setting to preset time period, while the real-time improving Devices to test temperature monitoring in transformer station, be conducive to the storage space saving database server.
As a kind of concrete embodiment, temperature sensor is active temperature sensor that is solar powered or inductive power supply.Because active temperature sensor itself has the power supply of power supply, temperature signal can be converted to the energy that electric signal provides necessity for sensor by this power supply, therefore active temperature sensor is more reliable and stable, the precision of measuring tempeature is higher, but for battery powered active temperature sensor, because battery has certain life-span, human at periodic intervals is needed to change battery, to ensure the normal work of active temperature sensor, therefore the restriction of battery life etc. self is subject to battery powered active temperature sensor, in the present embodiment, active temperature sensor that is solar powered or inductive power supply is utilized to gather the temperature of Devices to test in transformer station, wherein solar powered active temperature sensor not only saves electric energy, and environmental protection more, and the active temperature sensor of inductive power supply belongs to a kind of sensor of non-contact power, it provides electric energy in the mode of high frequency radiation to temperature sensor, without the need to other connection devices, therefore the active temperature sensor of inductive power supply has flexibly mobile, the advantage such as not affected by environment, while overcoming the defect of battery powered active temperature sensor existence, improve the practicality of transformer station's temp measuring system.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. transformer station's temp measuring method, is characterized in that, comprises the following steps:
Utilize temperature sensor to gather the temperature of Devices to test in transformer station, obtain the temperature data of described Devices to test, described temperature sensor is arranged at the temperature sensing Nodes on described Devices to test;
The radio-frequency (RF) tag be connected with described temperature sensor obtains described temperature data, and described temperature data is sent to reading device;
Described reading device receive described radio-frequency (RF) tag send temperature data, and by network service by this temperature data uploading to database server.
2. transformer station according to claim 1 temp measuring method, is characterized in that,
Described database server arranges the alarm temperature of described temperature sensor, sample frequency and transmission frequency according to user instruction.
3. transformer station according to claim 1 and 2 temp measuring method, is characterized in that,
Described reading device receives the temperature data that plural described radio-frequency (RF) tag sends respectively.
4. transformer station according to claim 1 and 2 temp measuring method, is characterized in that,
Described reading device according to preset time period by the temperature data uploading that receives to database server.
5. transformer station according to claim 1 and 2 temp measuring method, is characterized in that,
Described temperature sensor is active temperature sensor that is solar powered or inductive power supply.
6. transformer station's temp measuring system, is characterized in that, comprises the temperature sensor being arranged at temperature sensing Nodes on Devices to test, and the radio-frequency (RF) tag be connected with described temperature sensor carries out the reading device of radio communication with described radio-frequency (RF) tag,
Described temperature sensor is for gathering the temperature data of Devices to test in transformer station;
Described radio-frequency (RF) tag obtains described temperature data, and described temperature data is sent to reading device;
Described reading device for receive described radio-frequency (RF) tag send temperature data, and by network service by this temperature data uploading to database server.
7. transformer station according to claim 6 temp measuring system, is characterized in that,
Described database server arranges the alarm temperature of described temperature sensor, sample frequency and transmission frequency according to user instruction.
8. the transformer station's temp measuring system according to claim 6 or 7, is characterized in that,
Described reading device and plural described radio-frequency (RF) tag carry out radio communication, receive the temperature data that radio-frequency (RF) tag described in each sends respectively.
9. the transformer station's temp measuring system according to claim 6 or 7, is characterized in that,
Described reading device according to preset time period by the temperature data uploading that receives to database server.
10. the transformer station's temp measuring system according to claim 6 or 7, is characterized in that,
Described temperature sensor is active temperature sensor that is solar powered or inductive power supply.
CN201510854495.9A 2015-11-27 2015-11-27 Substation temperature measuring method and system Pending CN105509927A (en)

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CN106441626A (en) * 2016-07-27 2017-02-22 浙江浙能嘉华发电有限公司 Power equipment aging analysis system and analysis method based on passive wireless temperature measurement
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CN111595487A (en) * 2020-06-01 2020-08-28 国家电网有限公司 Temperature measurement system and method for reactive power equipment of transformer substation

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CN111595487A (en) * 2020-06-01 2020-08-28 国家电网有限公司 Temperature measurement system and method for reactive power equipment of transformer substation

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Application publication date: 20160420