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Refractory busway

A fire-resistant busway and fire-resistant technology, which is applied in the direction of open busway installation, etc., can solve the problems of inability to obtain heat insulation and fire resistance performance, fail to meet fire resistance performance requirements, and busway can not meet the current carrying capacity requirements, etc., to achieve good moisture-proof performance , good safety performance and excellent fire resistance

Inactive Publication Date: 2011-12-21
珠海光乐电力母线槽有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The above-mentioned prior art can withstand a certain range of high temperature, however, the above-mentioned prior art uses polycarbonate or powder mica material as the insulating material, which still cannot obtain good heat-insulating and fire-resistant properties
The existing busway often cannot meet the current carrying capacity requirements of the national standard GB7251.2-2006 and the international standard IEC60439.2, and often cannot meet the fire resistance performance requirements of the Ministry of Public Security standard GA / T537-2005

Method used

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Embodiment 1

[0038] refer to Figure 1-4 , the fire-resistant busway of the present invention includes a cover plate 7 that closes the upper and lower ends of the busway, a side plate 8 that forms a metal shell of the busway together with the cover plate 7, and a conductor 1 arranged in the inner space of the metal shell. The layer 2 and the refractory filling 4, the conductor 1, the insulating layer 2 and the refractory filling 4 are integrally enclosed in a fully enclosed metal shell. In this embodiment, the cross-sectional shape of the metal shell is rectangular, and other shapes can be adopted as required.

[0039] The cover plate 7 and the side plate 8 are made of metal materials, such as steel plates or other alloy materials. In this embodiment, the side plate 8 is in the shape of “[”, and its two bent ends are respectively connected to the ends of the cover plate 7 through connecting pieces 6 . In this embodiment, bolts are used as the connecting pieces 6 . And a sealing strip 5 i...

Embodiment 2

[0045] Such as Figure 5-12 As shown, as other solutions of the present invention, the other parts of embodiment 2 are the same as embodiment 1, except that:

[0046] The conductor 1 adopts profiles with irregular shapes or bent shapes to meet different application requirements.

Embodiment 3

[0048] Figure 13-14 Shown is the exploded diagram of the device adopting the refractory busway of the present invention, Figure 14 A double-row busway arrangement formed by parallel joining of single-row busway arrangements is shown. The bus duct device of the present invention includes two adjacent dense bus ducts 200 and a connector 100 connecting the two bus ducts 200 together, wherein the bus duct 200 is used to install a group of mutually insulated conductors such as conductive copper Row. After the exterior of each conductor is coated with an insulating layer, the multi-phase is sealed and compressed in a bus duct 200 .

[0049] Wherein, the connecting head 100 includes connecting side plates 10 arranged on the front and rear sides respectively, connecting cover plates 13 combined and connected with the upper and lower ends of the connecting side plates 10 , and being arranged on a wall surrounded by the connecting side plates 10 and the connecting cover plates 13. ...

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Abstract

The invention discloses a fire-resistant busway, which comprises a casing; a plurality of conductors arranged in parallel and at intervals in the casing, and the plurality of conductors are arranged at intervals with the casing; and an insulating layer coated on the outside of each conductor; The fire-resistant bus duct also includes a fire-resistant filler filled between the multiple conductors and between the conductors and the casing, so as to achieve insulation and fire resistance between the multiple conductors and between the conductors and the casing. The fire-resistant busway of the invention has strong heat dissipation, good fire-resistant performance and is safe and reliable.

Description

technical field [0001] The invention relates to a power transmission main line, more specifically, the invention relates to a mineral refractory bus duct with good fire resistance. Background technique [0002] With the rapid development of the city, there are more and more high-rise buildings, and the power load of the buildings has increased sharply. The original wires and cables have been gradually replaced by large-capacity due to their small capacity, inconvenient branching, and inconvenient cluster management. , convenient branching, and convenient cluster management instead of bus ducts. Busway is widely used in key projects such as power transmission trunk lines of fire fighting equipment and fire emergency equipment trunk lines, such as hotels, airports, subways and other important projects, so the safety and stability of busway products is very important. [0003] However, busway also has some disadvantages. For example, because the cluster arrangement between bus...

Claims

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Application Information

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IPC IPC(8): H02G5/02
Inventor 郑光乐
Owner 珠海光乐电力母线槽有限公司
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