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A 10kv overhead line lightning strike disconnection alarm device based on collision sensor

A technology of collision sensor and overhead line, which is applied in the field of 10kV overhead line lightning strike and disconnection alarm device, can solve the problems of less consideration of judgment and repair report, etc., which is conducive to emergency repair and rapid restoration of power supply, improves reliability and stability, and reduces electric shock the effect of the possibility

Active Publication Date: 2020-11-06
DATONG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the prior art, how to prevent the overhead line from being disconnected due to lightning strikes is the main focus. Usually, lightning arresters or lightning protection disconnection devices are installed to prevent the overhead line from being disconnected due to lightning strikes, and less consideration is given to how to proceed after the disconnection. Judgment, repair and effective early warning of nearby personnel, so as not to cause harm to personnel

Method used

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  • A 10kv overhead line lightning strike disconnection alarm device based on collision sensor
  • A 10kv overhead line lightning strike disconnection alarm device based on collision sensor
  • A 10kv overhead line lightning strike disconnection alarm device based on collision sensor

Examples

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Embodiment 1

[0026] combine Figure 1 to Figure 2 Embodiment 1 in this application will be described.

[0027] like figure 1 As shown, this embodiment provides a 10kV overhead line lightning strike alarm device based on collision sensor 01, including: collision sensor 01 and an alarm unit 02; collision sensor 01 is installed on the overhead line, and the output end of collision sensor 01 is connected to At the control end of the alarm unit 02, the collision sensor 01 includes an adsorption device, a ball and a touch switch. The collision sensor 01 is used when the overhead line is disconnected, the ball falls from the adsorption device, and the touch switch is guided by the dropped ball. On, touch the switch to generate a disconnection signal;

[0028] Further, the adsorption device specifically includes: a permanent magnet assembly 21, a fixed cavity 22 and an adsorption unit; a permanent magnet assembly 21 is provided inside the fixed cavity 22, and the permanent magnet assembly 21 is ...

Embodiment 2

[0035] combine figure 1 , image 3 and Figure 4 The second embodiment of the present application will be described.

[0036] like figure 1 As shown, this embodiment provides a 10kV overhead line lightning strike alarm device based on collision sensor 01, including: collision sensor 01 and an alarm unit 02; collision sensor 01 is installed on the overhead line, and the output end of collision sensor 01 is connected to At the control end of the alarm unit 02, the collision sensor 01 includes an adsorption device, a ball and a touch switch. The collision sensor 01 is used when the overhead line is disconnected, the ball falls from the adsorption device, and the touch switch is guided by the dropped ball. On, touch the switch to generate a disconnection signal;

[0037] Further, the disconnection alarm device also includes: a wind speed detection device 03, a current generation module 04 and a magnetic field coil; the detection end of the current generation module 04 is conne...

Embodiment 3

[0055] combine Figure 1 to Figure 4 Embodiment 3 of the present application will be described.

[0056] like Figure 1 to Figure 4 As shown, this embodiment provides a 10kV overhead line lightning strike alarm device based on collision sensor 01, including: collision sensor 01 and an alarm unit 02; collision sensor 01 is installed on the overhead line, and the output end of collision sensor 01 is connected to At the control end of the alarm unit 02, the collision sensor 01 includes an adsorption device, a ball and a touch switch. The collision sensor 01 is used when the overhead line is disconnected, the ball falls from the adsorption device, and the touch switch is guided by the dropped ball. On, touch the switch to generate a disconnection signal;

[0057] Further, the adsorption device specifically includes: a permanent magnet assembly 21, a fixed cavity 22 and an adsorption unit; a permanent magnet assembly 21 is provided inside the fixed cavity 22, and the permanent ma...

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Abstract

The invention discloses a 10kV overhead line lightning-caused breaking alarm device based on a crash sensor. The 10kV overhead line lightning-caused breaking alarm device includes a crash sensor and an alarm unit, wherein the crash sensor is arranged on an overhead line; the output end of the crash sensor is connected to the control end of the alarm unit; the crash sensor includes an adsorption device, a ball and a touch switch; when the overhead line is broken, the ball is dropped from the adsorption device, and then the touch switch is conducted by the dropped ball, and then the touch switchgenerates a breaking signal; the alarm unit is configured to generate alarm information according to the disconnection signal; and the alarm information includes photoelectric alarm information, sound alarm information, and position coordinate information. Through the technical solution in the 10kV overhead line lightning-caused breaking alarm device based on a crash sensor, the reliability and accuracy of the lightning-caused breaking detection can be improved; the possibility of false alarm caused by overvoltage is reduced; the maintenance efficiency of the lightning-caused breaking is improved; and the repair and quick recovery of the power supply are facilitated.

Description

technical field [0001] The present application relates to the technical field of lightning strike disconnection detection, in particular, to a 10kV overhead line lightning strike disconnection alarm device based on a collision sensor. Background technique [0002] At present, the transmission lines of my country's distribution network are mainly insulated lines, and the main reason for the failure of insulated lines is lightning strike. The occurrence of lightning strike and disconnection can be summarized into the following two steps: (1) Lightning overvoltage breaks down the insulating layer, causing the wire to discharge to the ground. However, due to the short action time of the lightning current, which is only microseconds and the energy is small, the wire does not work at this time. (2) After the breakdown caused by lightning, the system power frequency overvoltage applied to the discharge channel will generate power frequency short-circuit current, and the power frequ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/52G01R31/54G01P13/02
CPCG01P13/02G01R31/50
Inventor 赵培峰白洁王磊王继奎王鹏杨元春郭鑫
Owner DATONG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER
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