Hard locking device for high-voltage metering cabinet

A high-voltage metering and locking device technology, applied in substation/distribution device casings, electrical components, electrical switches, etc., can solve problems such as in case of electric shock, risk of electric shock, loss of locking function, etc., to achieve low processing costs, interlocking Good performance and reliable locking effect

Inactive Publication Date: 2013-03-27
TAIAN POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The third solution: In the state of power failure, the locking function is lost, and there is a risk of electric shock in case of a call.

Method used

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  • Hard locking device for high-voltage metering cabinet
  • Hard locking device for high-voltage metering cabinet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] Below in conjunction with accompanying drawing, the present invention is further described:

[0013] Such as figure 1 and figure 2 As shown: the incoming line locking box 3 is fixed at the middle position of the cabinet partition plate 7 on the side of the incoming line cabinet, the metering locking box 6 is fixed at the front position of the cabinet partition plate 7 on the side of the metering cabinet, and the incoming line locking pin The right part of 1 is provided with a top plate I8, the incoming line spring 2 is set on the incoming line locking pin 1, the incoming line spring 2 and the top plate I8 are set in the incoming line locking box 3, and the left end of the incoming line locking pin 1 passes in and out. The left side wall of the line lock box 3, the right end of the line lock pin 1 passes through the right side wall of the line lock box 3 and the cabinet partition plate 7 in turn, and the line spring 2 is clamped on the left inner wall of the line lock ...

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PUM

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Abstract

The invention discloses a hard locking device for a high-voltage metering cabinet. The device comprises a wire inlet locking pin, a wire inlet spring, a wire inlet locking box, a metering locking pin, a metering spring, a metering locking box, an operating pin, a baffle plate and a positioning plate. By locking among the wire inlet locking pin, the metering locking pin and the operating pin, the device realizes the safety technology requirements that a wire inlet switch cannot be switched on if a metering cabinet door is not closed and the metering cabinet door cannot be opened if the wire inlet switch is not pulled down; and the device has the characteristics of low processing cost, reliable locking and good interlocking property, is convenient to install, and has super popularization value in a power system.

Description

technical field [0001] The invention relates to a locking device used on a high-voltage metering cabinet. Background technique [0002] In the power supply system, the high-supply meter is a way of metering. The metering box is placed in the metering cabinet. There are both secondary output terminals and exposed 10kV high-voltage parts in the metering cabinet. Therefore, there are risk factors. It is extremely dangerous to open the door of the metering cabinet in the state, and many such accidents occur every year in the country. [0003] Several situations are often used for the management of metering cabinet doors: 1. No locks are added, and insulating boards are used to isolate the interior; 2. Padlocks are installed on the cabinet doors; 3. Electromagnetic locks are installed on the cabinet doors. [0004] The defects of the above schemes are as follows: The first scheme: it is not conducive to observe the operation status of the metering box (whether the wires and scre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H9/20H02B1/26
Inventor 吕庆国李健张敏李强时焕新华相一
Owner TAIAN POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO
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