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Power distribution box

A power distribution box and box technology, applied in electrical components, substation/switch layout details, switchgear and other directions, can solve the problems of poor mechanical performance and thermal conductivity, inability to discharge heat, high temperature of distribution boxes, etc. Resin compatibility, suitable for large-scale industrialization and application, and the effect of enhancing fire resistance

Inactive Publication Date: 2017-11-17
STATE GRID SHANDONG ELECTRIC POWER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, plastic distribution box shells have been researched, which have good insulation performance and small weight, but their mechanical properties and thermal conductivity are poor, and they cannot withstand large impacts, nor can they bring power during power distribution. The heat is discharged, which can easily cause high temperature in the distribution box and bring safety hazards
In view of the poor heat dissipation performance of plastic composite materials, how to modify them to meet the requirements of distribution box materials is a technical problem that we need to solve

Method used

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  • Power distribution box

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, a power distribution box includes a box body 1 and a box door 2 connected to the box body by hinges, the top of the box body 1 is provided with a box cover 3, and the box cover 3 is wider than the box body 1 The width of the box body 1 is provided with several air vents 4 on both sides of the box body 1, and a glass plate 5 is provided in the middle of the box door 2 for observing the internal environment, and there is no need to open the box door if there is no special emergency; Also be provided with door handle 6 on the chamber door 2.

[0027] Both the box body and the box door are prepared according to the following process:

[0028] 1) Add nano-aluminum nitride and serine into the stirring tank in turn, and stir while heating. When the temperature reaches 90°C, add silane coupling agent, keep stirring at 90°C for 20 minutes; then cool down to 60°C, and add polyethylene Resin, stir 1 hour, obtain modified polyethylene resin; Wherein, th...

Embodiment 2

[0033] Such as figure 1 As shown, a power distribution box includes a box body 1 and a box door 2 connected to the box body by hinges, the top of the box body 1 is provided with a box cover 3, and the box cover 3 is wider than the box body 1 The width of the box body 1 is provided with several air vents 4 on both sides of the box body 1, and a glass plate 5 is provided in the middle of the box door 2 for observing the internal environment, and there is no need to open the box door if there is no special emergency; Also be provided with door handle 6 on the chamber door 2.

[0034] Both the box body and the box door are prepared according to the following process:

[0035] 1) Add nano-aluminum nitride and serine into the stirring tank in turn, and stir while heating. When the temperature reaches 90°C, add silane coupling agent, keep stirring at 90°C for 20 minutes; then cool down to 60°C, and add polyethylene Resin, stir 1 hour, obtain modified polyethylene resin; Wherein, th...

Embodiment 3

[0040] Material property test of box body and box door of the present invention:

[0041] The material that embodiment 1 is prepared is made standard test piece by test standard, carries out following performance test, and the results are shown in Table 1:

[0042] Table 1

[0043] project

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Abstract

The invention belongs to the technical field of distribution boxes, and discloses a power distribution box, which includes a box body and a box door connected to the box body through hinges. The top of the box body 1 is provided with a box cover, and the width of the box cover is It is larger than the width of the box body. There are several ventilation openings on both sides of the box body. There is a glass plate in the middle of the box door for observing the internal environment. There is no need to open the box door if there is no special emergency; 2 is also provided with a door handle. The power distribution box of the present invention has good mechanical performance, heat dissipation performance and insulation performance, has a long service life, and eliminates potential safety hazards.

Description

technical field [0001] The invention belongs to the technical field of distribution boxes, and in particular relates to a power distribution box. Background technique [0002] The power distribution box is a kind of distribution box. The power distribution box is divided into the power distribution box and the lighting distribution box, which is the final equipment of the power distribution system. The distribution box is a closed or semi-closed cabinet in which switchgear, measuring instruments, protective appliances and auxiliary equipment are combined and installed according to the requirements of electrical wiring. It usually includes a box body and a box door. The shaft connection makes a closed environment in the box, and the electrical components are installed in the box to prevent moisture and protect the internal instrument lines. [0003] Most of the existing distribution boxes are made of metal and painted on the outside. Due to long-term exposure to rain and su...

Claims

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Application Information

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IPC IPC(8): H02B1/46H02B3/00C08L23/16C08L69/00C08L29/04C08L23/06C08K13/06C08K9/04C08K3/38C08K7/06C08K3/32C08K3/28C09K5/14
CPCH02B1/46C08K2003/282C08K2003/327C08K2003/385C08K2201/011C08L23/16C08L2201/02C08L2201/08C08L2203/20C08L2205/02C08L2205/035C09K5/14H02B3/00C08L69/00C08L29/04C08L23/06C08K13/06C08K9/04C08K3/38C08K7/06C08K3/32C08K3/28
Inventor 杨鑫孟浩胡伟才庞金龙聂湃昌
Owner STATE GRID SHANDONG ELECTRIC POWER