High-carrying-capacity insulation pouring busbar and heat dissipation method thereof
A technology of casting busbar and heat dissipation method, which is applied in busbar installation, cooling busbar device, fully enclosed busbar device, etc., can solve the problem that heat dissipation performance affects the current carrying capacity of insulated casting busbar, etc., and achieve the effect of improving heat dissipation conditions.
Pending Publication Date: 2018-02-09
SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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[0017] The present invention will be described in detail below according to the accompanying drawings and specific embodiments of the present invention.
[0018] As shown in the figure, a high-carrying-capacity insulated cast busbar of the present invention utilizes the evaporative cooling phenomenon of the medium in the heat pipe in a tube shell close to vacuum to obtain a higher thermal conductivity and improve the heat dissipation conditions of the insulated casted busbar due to the internal busbar.
[0019] Specifically, in the insulating cast bus bar, the bus bar 3 is centered, and the insulating and heat-conducting ceramic layer 2 and the heat pipe layer 4 are sequentially arranged outward. The insulating and heat-conducting ceramic layer and the heat pipe layer 4 shown in the figure are arranged symmetrically on both sides of the busbar, and its heat dissipation performance is twice that of the case where the insulating and heat-conducting ceramic layer 2 and the heat pi...
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The invention relates to a high-carrying-capacity insulation pouring busbar and a heat dissipation method thereof. The insulation pouring busbar comprises a busbar sealed in an insulation pouring material. In the insulation pouring busbar, insulation heat conduction layers and heat pipes are set outwards in sequence, by taking the busbar as a center. The busbar, the insulation heat conduction layers and evaporation sides of the heat pipes are set in the insulation pouring busbar pouring material. Condensation sides of the heat pipes are exposed out of the insulation pouring busbar pouring material. According to the high-carrying-capacity insulation pouring busbar and the heat dissipation method thereof, the insulation demand of employing the insulation pouring busbar in severe working environments such as a humid environment, a dirty environment and an explosion dangerous environment is satisfied, the heat dissipation condition of the high-carrying-capacity busbar is greatly improved,and a heat conduction coefficient which is several times or event several tens of times of that of a traditional heat conduction material is obtained.
Description
technical field [0001] The invention relates to a large-capacity insulated pouring busbar, in particular to a large-capacity insulating castable busbar heat dissipation structure and a heat dissipation method used in application places that need to strengthen busbar insulation or busbar protection level. Background technique [0002] The insulated cast busbar is a closed busbar. Because of the shell protection, it can basically eliminate the ground fault caused by external moisture, dust and foreign objects in the exposed busbar, and improve the reliability and continuity of the electrical system operation. It has been widely used in engineering. . Insulated cast busbar directly casts and seals the busbar, which is suitable for harsh industrial places with high requirements for waterproof, anti-corrosion, explosion-proof, etc. The internal vacuum relies on insulating resin to conduct heat and dissipate heat, the manufacturing process is complicated, and the thermal conductiv...
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IPC IPC(8): H02G5/06H02G5/10
CPCH02G5/061H02G5/10
Inventor 李双凤陆继诚
Owner SHANGHAI MUNICIPAL ENG DESIGN INST GRP