CN112525380A - Novel temperature measuring device suitable for power transmission line - Google Patents

Novel temperature measuring device suitable for power transmission line Download PDF

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Publication number
CN112525380A
CN112525380A CN202011446918.0A CN202011446918A CN112525380A CN 112525380 A CN112525380 A CN 112525380A CN 202011446918 A CN202011446918 A CN 202011446918A CN 112525380 A CN112525380 A CN 112525380A
Authority
CN
China
Prior art keywords
temperature measuring
measuring device
processing unit
communication processing
transmission line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011446918.0A
Other languages
Chinese (zh)
Inventor
许保瑜
周自更
解建华
曹家军
陈庆宁
吴圆波
沈凤
李欣江
钱晓明
王韬
许德斌
胡昌斌
宋庆
葛兴科
赵毅林
卜威
徐家勇
赵小萌
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.)
Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd
Original Assignee
Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd filed Critical Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority to CN202011446918.0A priority Critical patent/CN112525380A/en
Publication of CN112525380A publication Critical patent/CN112525380A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/08Protective devices, e.g. casings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K15/00Testing or calibrating of thermometers
    • G01K15/007Testing

Abstract

The invention relates to a novel temperature measuring device suitable for a power transmission line, which is integrally cylindrical and can be in threaded connection with a wire clamp bolt; the novel temperature measuring device comprises an ambient temperature measuring unit, a main temperature measuring unit, a communication processing unit, a power supply module, a stainless steel base and a ceramic shell; ceramic casing suit is on stainless steel base, the ceramic casing top is located to ambient temperature measuring unit, is connected with the communication processing unit, the top of stainless steel base is located to main temperature measuring unit, is connected with the communication processing unit, power module locate in the ceramic casing, the communication processing unit can transmit ambient temperature measuring unit and main temperature measuring unit's detection data to backstage management platform. The application of the invention can simplify the process of inspection operation, improve the working efficiency, reduce the investment of manpower and material resources and the labor intensity, and reduce the risk of power grid operation.

Description

Novel temperature measuring device suitable for power transmission line
Technical Field
The invention relates to the technical field of power transmission line maintenance, in particular to a novel temperature measuring device suitable for a power transmission line.
Background
At present, the real-time monitoring and maintenance operation of the equipment is the key point of attention in the power industry. If the transmission line equipment breaks down in the operation process, the operation safety of a power system is greatly threatened, the transmission line needs to be frequently subjected to temperature measurement, and if the transmission line with overhigh temperature is found, the transmission line needs to be overhauled in time so as to reduce the probability of large-area power failure accidents.
The existing temperature measuring method comprises the following steps: the temperature measurement gun is held by the maintainer to measure the temperature of the power transmission line, so that time and labor are wasted, and the working efficiency is low.
Disclosure of Invention
In order to solve the problems, the invention provides a novel temperature measuring device suitable for a power transmission line.
The technical scheme adopted by the invention is as follows:
a novel temperature measuring device suitable for a power transmission line is integrally cylindrical and can be in threaded connection with a cable clamp bolt; the novel temperature measuring device comprises an ambient temperature measuring unit, a main temperature measuring unit, a communication processing unit, a power supply module, a stainless steel base and a ceramic shell; ceramic package suit is on stainless steel base, the ceramic package top is located to ambient temperature measuring unit, and passes in ceramic package, and ambient temperature measuring unit is connected with communication processing unit, the top of stainless steel base is located to main temperature measuring unit, and main temperature measuring unit is connected with communication processing unit, power module locate in the ceramic package, power module can be to ambient temperature measuring unit, main temperature measuring unit and communication processing unit power supply, and communication processing unit can be with ambient temperature measuring unit and main temperature measuring unit's detection data transmission to backstage management platform.
Preferably, the environment temperature measuring unit is composed of a metal cover, a connecting metal rod, an environment temperature sensor and an environment temperature circuit board, the metal cover is exposed out of the ceramic shell, the bottom of the metal cover is in contact with the environment temperature sensor through the connecting metal rod, and the environment temperature sensor is arranged on the environment temperature circuit board and is connected with the communication processing unit through the environment temperature circuit board.
Preferably, the main temperature measuring unit is composed of a power line temperature sensor and a power line temperature circuit board, wherein the power line temperature sensor is embedded in the top of the stainless steel base and is connected with the communication processing unit through the power line temperature circuit board.
Preferably, the communication processing unit comprises a CPU processor, a 433 communication module, a main control circuit board and an antenna, the CPU processor, the 433 communication module and the antenna are respectively disposed on the main control circuit board, the CPU processor is connected with the environment temperature circuit board and the power transmission line temperature circuit board through the main control circuit board, can process the detection data of the environment temperature sensor and the power transmission line temperature sensor, and transmits the detection data to the background management platform through the 433 communication module and the antenna.
Preferably, the CPU processor adopts an STM8 low-power chip.
Preferably, the 433 communication module adopts lora wireless communication.
Preferably, the power supply module is 2-4 disposable polymer battery packs.
Preferably, this novel temperature measuring device still is equipped with auxiliary unit, and auxiliary unit locates ceramic package outside for temperature sensor, and passes ceramic package and be connected with power module and communication processing unit wired respectively.
Preferably, the ceramic shell is covered with high-temperature heat-insulating glue.
Preferably, the stainless steel base is provided with an outer hexagonal bolt which is convenient for rotating the stainless steel base.
The invention has the beneficial effects that:
1. the invention is a standardized part, and has low cost and easy purchase and installation.
2. The invention can carry out double detection of the temperature of the power transmission line and the ambient temperature, and the background management platform can judge the heating reason by comparing the ambient temperature with the heating temperature of the power transmission line.
3. According to the invention, the ceramic shell is adopted to protect the circuit board, the battery and the like inside, the ceramic shell is covered with the high-temperature heat insulation glue, the temperature detection point of the power transmission line is isolated from the environmental temperature detection point, and the device body is protected while the monitoring precision is improved.
4. The invention integrates STM8 low-power chip, lora wireless communication and M4 data encryption.
5. The stainless steel base can be in threaded connection with the wire clamp bolt without being detached, and the normal operation of a power transmission line is not influenced.
6. The stainless steel base is provided with the outer hexagonal bolt which is convenient for rotating the stainless steel base, the power transmission line can be directly installed in a live state through the outer hexagonal bolt, and the power of a wire to be monitored does not need to be cut off.
7. The invention is also provided with an auxiliary unit, which can correct the detection data of the environment temperature sensor and replace the environment temperature sensor to detect the environment temperature when the environment temperature sensor has an emergency.
Drawings
FIG. 1 is a schematic view of the installation position of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a connection block diagram of each unit of the present invention.
In fig. 1-2, 1-novel temperature measuring device, 2-clamp bolt, 3-communication processing unit, 4-power module, 5-stainless steel base, 6-ceramic shell. 7-metal cover, 8-ambient temperature sensor, 9-ambient temperature circuit, 10-power transmission line temperature sensor, 11-power transmission line temperature circuit board, 12-outer hexagonal bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-3, the invention is a novel temperature measuring device suitable for power transmission lines, the novel temperature measuring device 1 is cylindrical as a whole and can be in threaded connection with a clamp bolt 2; this novel temperature measuring device 1 includes ambient temperature measuring unit, main temperature measuring unit, communication processing unit 3, power module 4, stainless steel base 5 and ceramic package 6. The ceramic shell 6 is sleeved on the stainless steel base 5, and a threaded hole is formed in the bottom of the stainless steel base 5. The environment temperature measuring unit is arranged at the top of the ceramic shell 6 and penetrates through the ceramic shell 6, the environment temperature measuring unit is connected with the communication processing unit 3, the main temperature measuring unit is arranged at the top of the stainless steel base 5 and is connected with the communication processing unit 3, the communication processing unit 3 and the power module 4 are arranged in the ceramic shell 6, the power module 4 can supply power to the environment temperature measuring unit, the main temperature measuring unit and the communication processing unit 3, and the communication processing unit 3 can transmit detection data of the environment temperature measuring unit and the main temperature measuring unit to the background management platform.
This novel temperature measuring device 1's ambient temperature measuring unit comprises metal covering 7, connection metal pole, ambient temperature sensor 8 and ambient temperature circuit 9 board, and metal covering 7 reveals outside ceramic package 6, and its bottom is through connecting metal pole and the contact of ambient temperature sensor 8, and ambient temperature sensor 8 locates on the ambient temperature circuit 9 board, and is connected with communication processing unit 3 through ambient temperature circuit 9 board.
This novel temperature measuring device 1's main temperature measuring unit comprises power transmission line temperature sensor 10 and power transmission line temperature circuit board 11, and power transmission line temperature sensor 10 is embedded locates the top of stainless steel base 5, and is connected with communication processing unit 3 through power transmission line temperature circuit board 11.
This novel temperature measuring device 1's communication processing unit 3 is by the CPU treater, 433 communication module, main control circuit board and antenna constitute, the CPU treater, 433 communication module and antenna are located respectively on the main control circuit board, the CPU treater passes through main control circuit board and is connected with 9 boards of ambient temperature circuit and power transmission line temperature circuit board 11, can handle ambient temperature sensor 8 and power transmission line temperature sensor 10's detection data, and transmit to backstage management platform through 433 communication module and antenna. The CPU processor adopts an STM8 low-power chip. The 433 communication module adopts lora wireless communication.
The power module 4 of the novel temperature measuring device 1 is 2-4 disposable polymer battery packs.
This novel temperature measuring device 1 passes through stainless steel base 5 and 2 threaded connection of fastener bolt, need not to demolish transmission line, and does not influence transmission line normal operating, can directly carry out the electrified installation of transmission line, need not will wait to monitor the electric wire and have a power failure. The working principle of the novel temperature measuring device 1 is as follows:
the metal cover 7 of the ambient temperature measuring unit is used for sensing the external ambient temperature, the external ambient temperature is transmitted to the ambient temperature sensor 8 through the connecting metal rod, and the ambient temperature sensor 8 transmits the detection data to the communication processing unit 3 through the ambient temperature circuit 9 board. The transmission line temperature sensor 10 of the main temperature measuring unit detects the temperature of the transmission line through the stainless steel base 5, and transmits the detection data to the communication processing unit 3 through the transmission line temperature circuit board 11.
The CPU processor of the communication processing unit 3 receives the detection data of the environment temperature sensor 8 and the power transmission line temperature sensor 10 through the main control circuit board, the environment temperature circuit board 9 and the power transmission line temperature circuit board 11, processes the detection data into digital signals, and transmits the digital signals to the background management platform through the 433 communication module and the antenna. The inspection personnel can monitor and analyze the temperature of the wire joints of all the on-site power transmission lines in real time through the platform management platform without arriving at an operation site, so that the safe operation of a power grid is effectively guaranteed.
It should be noted that, on the basis of the above technical solution, the CPU processor may also write a difference comparison program, and perform difference comparison on the detection data of the ambient temperature sensor 8 and the power transmission line temperature sensor 10 by using the difference comparison, so that the inspector can perform analysis and judgment more conveniently. In addition, the STM8 low-power chip has stable performance, low power consumption, energy conservation and power saving. The 433 communication module adopts lora wireless communication, and the distance of lora wireless communication is farther than that of other wireless mode propagation under the same power consumption condition, has realized low-power consumption and long-range unity, and under the same power consumption than traditional wireless radio frequency communication distance enlargement 3-5 times. In order to ensure the communication security, the 433 communication module can also perform M4 data encryption processing.
In order to further correct the detection data of the ambient temperature sensor 8, and still realize the detection function when the ambient temperature sensor 8 has an emergency. This novel temperature measuring device 1 still is equipped with auxiliary unit, and auxiliary unit locates ceramic package 6 outsidely for temperature sensor, and passes ceramic package 6 respectively with power module 4 and communication processing unit 3 wired connection. The auxiliary unit can detect the ambient temperature, transmits the detection data to the CPU processor through the main control circuit board, and the CPU processor corrects the data detected by the ambient temperature sensor 8. If the ambient temperature sensor 8 is damaged due to high temperature, the auxiliary unit can replace the ambient temperature sensor 8 to detect the ambient temperature. The auxiliary unit has the characteristics of no contact, no shutdown and no disassembly, ensures the real running state of the equipment and ensures the reality of the monitored running data. The dynamic property of the auxiliary unit is weak, large errors can exist in high temperature and rainy days, and the contact type measurement adopted by the environment temperature measuring unit and the main temperature measuring unit perfectly avoids the defects.
In order to avoid high temperature generated inside the ceramic shell 6 and influence on the working performance of each unit inside, the ceramic shell 6 is covered with high-temperature heat insulation glue. In addition, be convenient for stainless steel base 5 and 2 quick threaded connection of fastener bolt, be equipped with the outer hexagonal bolt 12 of being convenient for rotatory stainless steel base 5 on the stainless steel base 5.

Claims (10)

1. The utility model provides a novel temperature measuring device suitable for power transmission line which characterized in that: the novel temperature measuring device is integrally cylindrical and can be in threaded connection with a wire clamp bolt; the novel temperature measuring device comprises an ambient temperature measuring unit, a main temperature measuring unit, a communication processing unit, a power supply module, a stainless steel base and a ceramic shell; ceramic package suit is on stainless steel base, the ceramic package top is located to ambient temperature measuring unit, and passes in ceramic package, and ambient temperature measuring unit is connected with communication processing unit, the top of stainless steel base is located to main temperature measuring unit, and main temperature measuring unit is connected with communication processing unit, power module locate in the ceramic package, power module can be to ambient temperature measuring unit, main temperature measuring unit and communication processing unit power supply, and communication processing unit can be with ambient temperature measuring unit and main temperature measuring unit's detection data transmission to backstage management platform.
2. The novel temperature measuring device of claim 1, wherein: the environment temperature measuring unit is composed of a metal cover, a connecting metal rod, an environment temperature sensor and an environment temperature circuit board, the metal cover is exposed out of the ceramic shell, the bottom of the metal cover is in contact with the environment temperature sensor through the connecting metal rod, the environment temperature sensor is arranged on the environment temperature circuit board and is connected with the communication processing unit through the environment temperature circuit board.
3. The novel temperature measuring device of claim 2, wherein: the main temperature measuring unit is composed of a power transmission line temperature sensor and a power transmission line temperature circuit board, wherein the power transmission line temperature sensor is embedded at the top of the stainless steel base and is connected with the communication processing unit through the power transmission line temperature circuit board.
4. The novel temperature measuring device of claim 3, wherein: the communication processing unit comprises a CPU (central processing unit), a 433 communication module, a main control circuit board and an antenna, wherein the CPU, the 433 communication module and the antenna are respectively arranged on the main control circuit board, the CPU is connected with the environment temperature circuit board and the power transmission line temperature circuit board through the main control circuit board, can process the detection data of the environment temperature sensor and the power transmission line temperature sensor, and transmits the detection data to the background management platform through the 433 communication module and the antenna.
5. The novel temperature measuring device of claim 4, wherein: the CPU processor adopts an STM8 low-power chip.
6. The novel temperature measuring device of claim 4, wherein: the 433 communication module adopts lora wireless communication.
7. The novel temperature measuring device of claim 1, wherein: the power module is 2-4 disposable polymer battery packs.
8. The novel temperature measuring device of claim 1, wherein: this novel temperature measuring device still is equipped with auxiliary unit, and auxiliary unit locates the ceramic package outside for temperature sensor, and passes ceramic package and be connected with power module and communication processing unit wired respectively.
9. The novel temperature measuring device of claim 1, wherein: the ceramic shell is covered with high-temperature heat-insulating glue.
10. The novel temperature measuring device of claim 1, wherein: and the stainless steel base is provided with an outer hexagonal bolt which is convenient for rotating the stainless steel base.
CN202011446918.0A 2020-12-08 2020-12-08 Novel temperature measuring device suitable for power transmission line Pending CN112525380A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011446918.0A CN112525380A (en) 2020-12-08 2020-12-08 Novel temperature measuring device suitable for power transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011446918.0A CN112525380A (en) 2020-12-08 2020-12-08 Novel temperature measuring device suitable for power transmission line

Publications (1)

Publication Number Publication Date
CN112525380A true CN112525380A (en) 2021-03-19

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ID=75000465

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011446918.0A Pending CN112525380A (en) 2020-12-08 2020-12-08 Novel temperature measuring device suitable for power transmission line

Country Status (1)

Country Link
CN (1) CN112525380A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113701902A (en) * 2021-08-31 2021-11-26 中车齐齐哈尔车辆有限公司 Temperature measuring device and railway wagon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113701902A (en) * 2021-08-31 2021-11-26 中车齐齐哈尔车辆有限公司 Temperature measuring device and railway wagon

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