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Maintenance power source box

A technology for overhauling power supplies and box doors. It is applied to electrical components, substation/distribution device casings, substation/switch layout details, etc. It can solve problems such as closing, and achieve the effect of ensuring humidity and preventing external moisture from entering the interior of the box.

Pending Publication Date: 2018-02-16
STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an overhaul power supply box to solve the technical problem that the box door can be closed when the overhaul cable is connected to the overhaul power supply box

Method used

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Examples

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Embodiment 1

[0031] Such as figure 1 and figure 2 As shown, the present invention provides a maintenance power supply box, which includes a box body 1 , a wiring hole 200 and a rainproof cover 300 arranged on the box body 1 .

[0032] The box body 1 has a box door 100 which is arranged on the front of the box body 1 and can be opened and / or closed relative to the box body 1 .

[0033] The wiring hole 200 is arranged on the box door 100 , and is suitable for checking and repairing the power cable to pass through the wiring hole 200 and connect to the inner cavity of the box body 1 .

[0034] The rainproof cover 300 is arranged on the outer surface of the box door 100 and is suitable for covering the wiring hole 200 .

[0035] The upper edge of the wiring hole 200 in this embodiment is 145-155 mm from the brim of the box body 1 . The opening size of the connection hole is 150mm*100mm, and the deviation is not more than ±5%, so as to ensure that the plug of the largest type of cable in no...

Embodiment 2

[0045] On the basis of Example 1, such as image 3 and Figure 4 As shown, the maintenance power supply box of this embodiment further includes a clamping piece arranged on the inner surface of the box door 100 and suitable for fixing the maintenance power supply cable. The clamping part of this embodiment adopts a compression spring-pressure plate structure, specifically, it includes a pressure plate 105 connected to the inner surface of the box door 100 through several compression springs 108, by pulling the pressure plate 105 apart, utilizing the elasticity of the compression spring 108, the The maintenance power cable passes and is fixed between the pressing plate 105 and the inner surface of the box door 100 .

[0046] The specific embodiment of the overhaul power supply box of the present invention is: first open the box door 100 of the overhaul power supply box (the key of the box door 100 is kept by a special person), withdraw from the connecting ear 307 on the inner ...

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Abstract

The present invention belongs to the power maintenance equipment technical field and relates to a maintenance power source box. The maintenance power source box includes a box body, a wiring hole anda rain cover, wherein the wiring hole and the rain cover are arranged on the box body, and the box body is provided with a box door which is arranged on the front surface of the box body and can be opened and / or closed with respect to the box body; the wiring hole is formed in the box door; and a maintenance power source cable can pass through the wiring hole so as to be connected with the inner cavity of the box body; the rain cover is located at the outer surface of the cabinet door and is suitable for covering the wiring hole.

Description

technical field [0001] The invention relates to the technical field of electric power maintenance equipment, in particular to a power supply box for maintenance. Background technique [0002] In some construction sites or on-site construction sites, when the equipment has problems and needs to be repaired but there are not enough repair conditions, the use of the repair power box can greatly facilitate the repair of the equipment. The maintenance power box is designed for the convenience of maintenance. The maintenance power box has a great effect on protecting the power supply and has functions of overload protection, short circuit protection and leakage protection. [0003] The front part of the maintenance power box installed in most existing substations is equipped with a whole power box door. When working, the maintenance cable must be connected to the maintenance power box, so that the whole power box door cannot be closed and cannot reach the inside of the sealed box....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/46H02B1/28
CPCH02B1/28H02B1/46Y02A30/14
Inventor 景卫东丁西春范小飞谢慧
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH