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Waterlogging prevention terminal box

A terminal box and anti-waterlogging technology, which is applied in the direction of electrical components, substation/power distribution device shell, substation/switch layout details, etc., can solve the problems of secondary equipment failure, easy water ingress in terminal box, etc., and avoid equipment failure Effect

Pending Publication Date: 2020-06-30
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a waterlogging-proof terminal box in order to overcome the defect that the terminal box is easy to enter water and cause secondary equipment failure in the prior art.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] This embodiment proposes a waterlogging-proof terminal box, such as figure 1 Shown is a schematic structural view of the waterlogging-proof terminal box of this embodiment.

[0028] This embodiment proposes that the anti-waterlogging terminal box includes a box body 1 and a box door 2, the box body 1 is provided with a door frame, and a first sealing strip 3 is arranged around the door frame of the box body. A second sealing strip 4 is provided on the position where the door 2 is attached to the first sealing strip 3 , and a sealing strip slot 21 is opened on the box door 2 , and the second sealing strip 4 is arranged in the sealing strip slot 21 .

[0029] In this embodiment, the first sealing strip 3 is a U-shaped bubble sealing strip, the second sealing strip 4 is a D-shaped sealing strip, and the compression range of the first sealing strip 3 and the second sealing strip 4 is greater than 6 mm.

[0030] In this embodiment, the box body 1 and the box door 2 are conn...

Embodiment 2

[0034] The waterlogging-proof terminal box proposed in this embodiment is based on the waterlogging-proof terminal box proposed in Example 1, and a water barrier is provided on the door frame of the box body 1 and on the side of the first sealing strip 3 away from the box door 2 5.

[0035] Such as figure 2 Shown is a schematic structural view of the waterlogging-proof terminal box of this embodiment.

[0036] In this embodiment, on the door frame of the box body 1 and on the side of the first sealing strip 3 away from the box door 2, a water baffle 5 is provided, and a waterproof seal is installed between the water baffle 5 and the first sealing strip 3. The glass glue 6 can effectively block the stagnant water and prevent the stagnant water between the box door 2 and the box body 1 from flowing into the box body 1 .

[0037] In the specific implementation process, the first sealing strip 3 and the second sealing strip 4 arranged between the box body 1 and the box door 2 a...

Embodiment 3

[0039] The waterlogging-proof terminal box proposed in this embodiment is based on the waterlogging-proof terminal box proposed in Example 1 or Example 2, and a two-way protection coil 7 is added at the position of the cable inlet hole 11 opened at the bottom of the box body 1 . Such as image 3 Shown is a schematic structural view of the waterlogging-proof terminal box of this embodiment.

[0040] In this embodiment, the bottom of the box body 1 is provided with several cable inlet holes 11, and a bidirectional protective coil 7 is arranged between the cable inlet hole 11 and the inserted cable, and a seal between the inserted cable and the bidirectional protective coil 7 Plug is provided with waterproof glass glue 6. In addition, a surrounding edge 8 is vertically arranged on the bottom plate of the box body 1 and around the outer periphery of the cable inlet hole 11, and the surrounding edge is filled with a sealing material 9 to achieve a zero-gap sealing effect between t...

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Abstract

The invention provides a waterlogging prevention terminal box which comprises a box body and a box door, a door frame is arranged on the box body, a first sealing strip is arranged on the periphery ofthe door frame of the box body, and a second sealing strip is arranged at the position, attached to the first sealing strip, of the box door; when the box door and the box body are closed, the firstsealing strip arranged on the box body is tightly attached to the second sealing strip arranged on the box door. The first sealing strip and the second sealing strip which are arranged between the boxbody and the box door are tightly attached to achieve sealing arrangement between the box body and the box door, accumulated water and moisture are effectively prevented from entering the box body incloudy and rainy days, and then equipment faults of secondary equipment in the terminal box due to water inflow of the box body are avoided.

Description

technical field [0001] The invention relates to the field of electrical equipment boxes, and more specifically, to a waterlogging-proof terminal box. Background technique [0002] At present, as the main auxiliary equipment of the primary equipment of the substation, the terminal box is the transfer station and junction box carrying the corresponding secondary circuit. Its performance directly affects the accurate operation and operation reliability of the power equipment of the substation. [0003] Since terminal boxes are generally installed outdoors, when encountering severe weather such as rainstorms and floods, the terminal box is prone to water ingress due to poor sealing, causing secondary circuit failures, and even forcing power outages for primary equipment, resulting in impacts on customers. Quality of Life. In addition, the terminal box is equipped with multiple holes such as keyholes and cable inlets. When encountering severe weather such as heavy rain and flood...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/46H02B1/28
CPCH02B1/28H02B1/46
Inventor 李福鹏梁国坚郑瑜
Owner GUANGDONG POWER GRID CO LTD
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