Intensive insulated busway

A busway, intensive technology, applied in the direction of laminated busbars, fully enclosed busbar devices, etc., can solve problems such as difficulty in meeting fire resistance requirements, and achieve the effect of improving continuous power supply capacity, improving fire resistance performance, and prolonging continuous power supply time.

Active Publication Date: 2017-06-27
SHENZHEN WOER HEAT SHRINKABLE MATERIAL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the bus duct carries large current and high voltage during the power transmission process, the bus duct products have extremely high requirements on insulation performance and fire resistance performance, but the existing bus duct is still difficult to meet the fire resistance performance requirements

Method used

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  • Intensive insulated busway
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] see figure 1 , the dense insulated busway of the present invention is roughly in the shape of a cuboid, including a busbar protective shell 10 and several busbars 20 arranged in the busbar protective shell 10 .

[0027] The busbar protective shell 10 is a protective shell for intensive insulating bus ducts. It is generally a metal shell, such as a steel or iron shell, which has the function of protecting the internal components of the bus duct. In this embodiment, the busbar protective shell 10 consists of It is surrounded by four metal plates 11, and two adjacent metal plates are fixed together by bolts 12, of course, they can also be fixed by screws.

[0028] The busbar 20 includes a busbar conductor 21 and an insulating layer 22 covering the busbar conductor 21 . The insulating layer 22 mainly plays an insulating role for the busbar conductor 21, and is better able to resist fire. It is preferably a ceramic silicon rubber composite tape, and of course it can also be...

Embodiment 2

[0038] see figure 2 , which discloses the embodiment 2 of the present invention's intensive insulating busway. Cover the outside of the busbars 20 arranged side by side.

Embodiment 3

[0040] see image 3 , which discloses Embodiment 3 of the dense insulating bus duct of the present invention. This embodiment is similar to Embodiment 1, and the difference is that the dense insulating bus duct is further coated with an inorganic heat-absorbing material outside the busbars 20 arranged side by side. 30.

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Abstract

The invention discloses a dense insulating busway, which comprises a busbar protective shell and several busbars arranged in the busbar protective shell. The busbar includes a busbar conductor and an insulating layer covering the busbar conductor. The busbars are arranged side by side in parallel. A refractory material is filled between the protective shell of the busbar and the busbars arranged side by side. Inorganic heat-absorbing materials are arranged in the dense insulating busway. The inorganic heat-absorbing material in the dense insulating busway of the present invention can release water vapor when heated to a certain extent, absorb heat in the process of releasing water vapor from the inorganic heat-absorbing material, and this heat-absorbing process itself can play a cooling role, and The volatilization of water vapor can continuously take away heat and reduce the temperature of the busway, which can improve the fire resistance of the busway, improve the continuous power supply capacity of the densely insulated busway in a fire, and prolong the life of the densely insulated busway in a fire. Continuous power supply time.

Description

technical field [0001] The invention relates to a dense insulating bus duct. Background technique [0002] A busbar is arranged in the busway to transmit electric energy, and has the function of collecting and distributing electric power. Through it, the electric energy output by the generator, transformer or rectifier is transmitted to various users or other substations. [0003] Busway has increasingly replaced wires and cables in power transmission trunk line projects. It has been popularized in developed countries abroad, as well as Hong Kong and Macao in my country. In Guangzhou, Guangdong, my country, where the power distribution room of buildings with more than 12 floors goes out, more than 90% of the main lines leading to the floors use bus ducts; 630KVA transformers use bus ducts to power distribution cabinets. Public construction projects in large and medium-sized cities, hotels, and office buildings are also popularized to use bus ducts. Bus ducts are the best ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G5/06
CPCH02G5/005
Inventor 周和平
Owner SHENZHEN WOER HEAT SHRINKABLE MATERIAL
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