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Fireproof air type bus duct

A busway and air-type technology, which is applied in the field of fire-proof air-type busway, can solve the problems of easy to be affected by moisture, decrease of insulation strength of conductive busbar, burnt busway, etc., and achieve the effect of not being easily affected by moisture and good heat dissipation effect

Inactive Publication Date: 2015-01-28
乐山泰豪电力电器有限公司
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Problems solved by technology

However, because the conductive busbars are close to each other, the heat dissipation effect is not as good as that of the air-type busway, and it is easy to be damp, and the insulating material between the phases is easily burnt and short-circuited in the high temperature of the fire.
At the same time, the hollow part of the air-type busway is connected to the outside atmosphere. When the ambient humidity is high, it is easy to cause the insulation strength of the conductive busbar to decrease, generate phase-to-phase discharge, burn the busway, and then damage the main current circuit and user-side electrical appliances.

Method used

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  • Fireproof air type bus duct
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Embodiment Construction

[0007] Below in conjunction with accompanying drawing and embodiment the present invention is further described:

[0008] exist figure 1 Among them, 1, interphase insulation spacer of bus duct; 2, conductive bus bar; 3, heat insulation shell of bus duct; 4, hollow part of air-type bus duct. figure 2 Middle, 5, fireproof material layer. image 3 In the embodiment, the layer of fireproof material is placed behind the insulating spacer. Figure 4 In the embodiment in which the layer of fireproof material is placed in front of the insulating spacer. In this embodiment, the fireproof material layer (5) of the bus duct is placed on the conductive busbar (2) of the bus duct to seal the hollow part in the middle of the bus duct. Insert the conductive busbar (2) into the groove of the insulating spacer (1) to increase the distance between the conductive busbars, and then fasten it with the busway heat insulation shell (3). In this way, the hollow part of the bus duct forms a seale...

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Abstract

The invention discloses a fireproof air type bus duct. Fireproof material layers are arranged on conductive bus bars at the two ends of the air type bus duct, the inner layer of an outer shell of the bus duct is coated with heat insulation materials, and a hollow part of the bus duct is made to form a closed cavity isolated from the outside.

Description

technical field [0001] The invention relates to a fire-proof air-type busway, which can effectively eliminate the chimney effect in the event of a fire, prevent the spread of the fire, and also play the technical field of emergency power transmission and dust prevention at the fire scene. Background technique [0002] At present, because the middle part of the air-type busway is hollow, when a fire occurs, it is easy to produce a chimney effect, causing fires to cause string fires in the hollow part of the busway, which intensifies the fire, which is not good for fire rescue and more destructive to electrical equipment. . The dense busway overcomes these shortcomings of the air type and does not produce a chimney effect. However, due to the close contact between the conductive busbars, the heat dissipation effect is not as good as that of the air-type busway, and it is easy to be affected by moisture. The insulating material between the phases is easily burnt and short-circ...

Claims

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Application Information

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IPC IPC(8): H02G5/06H02G5/10
Inventor 冉启明
Owner 乐山泰豪电力电器有限公司
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