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Galloping detector suitable for extra-high voltage wire

A detector and UHV technology, which is applied in the field of galloping monitoring of UHV transmission lines, can solve the problems of high construction cost, heavy detector weight, and high power consumption of the system, and achieve improved data acquisition accuracy, high data acquisition accuracy, and data transmission long distance effect

Pending Publication Date: 2021-01-08
BEIJING GUOWANG FUDA SCI & TECH DEV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] After market research, it is found that the existing galloping detectors have the following shortcomings, such as unstable power supply of the detector, high power consumption of the system, and the battery needs to be replaced in about three years, resulting in high labor intensity for inspection personnel and on-site installation and construction. The cost is high; the detector itself is heavy and wears the connection of the wires; the galloping detector is not accurate enough to collect data in the XY axis direction; the data of the galloping detector is not encrypted during data collection and transmission, and cannot be connected to the power private network , there are data security risks

Method used

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  • Galloping detector suitable for extra-high voltage wire

Examples

Experimental program
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Embodiment 1

[0044] figure 1 It is a schematic diagram of the internal circuit board structure of Embodiment 1 of the galloping detector applicable to UHV wires of the present invention, figure 2 It is a schematic diagram of the external structure of Embodiment 1 of the galloping detector applicable to UHV wires of the present invention, figure 2 Part (a) is a schematic diagram of the detector not being opened. figure 2 Part (b) is a schematic diagram of the opening of the detector. see figure 1 with figure 2 , the galloping detector suitable for UHV wires includes an STM32L5 main chip 101 , a MEMS acceleration sensor 102 , an encryption chip 103 and a Semtech LoRa chip 104 . The model of the encryption chip 103 is NRSEC3000. The model of the Semtech LoRa chip 104 is SX1262LoRa. The MEMS acceleration sensor 102 is an ADXL357 three-axis MEMS accelerometer.

[0045] The MEMS acceleration sensor 102 , the encryption chip 103 and the Semtech LoRa chip 104 are all connected to the ST...

Embodiment 2

[0065] image 3 It is a schematic diagram of the composition and structure of Embodiment 2 of the galloping detector applicable to UHV conductors of the present invention. see image 3 , the galloping detector suitable for UHV wires is mainly composed of STM32L5 main chip, high-energy gel battery, MEMS acceleration sensor, encryption module (encryption chip) and Semtech LoRa module (Lora chip).

[0066] In order to effectively reduce system power consumption and prolong battery life, the RT-Thread IoT operating system is transplanted on the low-power STM32L5 main chip, that is, the BSP file, driver file, and system startup of the RT-Thread system are modified according to the chip model used. Files and other codes, according to the equipment development requirements, cut the RT-Thread kernel code and remove unnecessary components. The STM32L5 main chip uses the RT-Thread Internet of Things operating system to flexibly set the startup and shutdown of each task and configure t...

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Abstract

The invention discloses a galloping detector suitable for an extra-high voltage wire and relates to the technical field of extra-high voltage transmission line galloping monitoring. The galloping detector comprises an STM32L5 main chip, an MEMS acceleration sensor, an encryption chip and a Semtech LoRa chip; the STM32L5 main chip is used for processing the accelerations and angular accelerations of the wire in the X, Y and Z directions acquired by the MEMS acceleration sensor to obtain the amplitude and frequency of galloping; the encryption chip is used for encrypting the amplitude and the frequency sent by the STM32L5 main chip; and the Semtech LoRa chip is used for receiving the encrypted amplitude and frequency and sending the encrypted amplitude and frequency to a data receiving basestation. According to the galloping detector of the invention, the data acquisition precision and the data security can be improved while low power consumption is maintained.

Description

technical field [0001] The invention relates to the technical field of galloping monitoring of UHV transmission lines, in particular to a galloping detector suitable for UHV wires. Background technique [0002] With the extensive construction of UHV power grids, the operation and management of transmission lines are becoming more and more complex, and the occurrence of conductor galloping accidents is becoming more and more frequent. Galloping often causes severe accidents such as wire breakage, disconnection, severe wear and tear of hardware, falling off of towers, tripping of lines, etc., which can easily cause large-scale power outages in the power grid and cause major economic losses to the operation of the power grid. In order to grasp the movement changes of overhead transmission line conductors in a timely manner, conductor galloping detectors must be deployed on relevant lines in galloping-prone areas to collect conductor galloping data in real time. Through the det...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01H17/00H04W4/38H04W84/18
CPCG01H17/00H04W4/38H04W84/18Y02D30/70
Inventor 王威高树国倪康婷徐洪福赵振华赵庆华王慧明姚陶马超蔡光柱赵爽魏雷郑鹏超张逸娲赵建豪于洪亮赵睿杨振马俊朋曹向勇朗庆凯李喆
Owner BEIJING GUOWANG FUDA SCI & TECH DEV
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