Two-side water cooling substrate of power module of current transformer

A power module, water-cooled heat dissipation technology, applied in the direction of output power conversion device, cooling/ventilation/heating transformation, electrical components, etc., can solve the problems of poor heat dissipation effect, complicated manufacturing process, large volume, etc., to improve the heat dissipation effect , Good cooling effect, small size effect

Inactive Publication Date: 2010-04-21
YONGJI XINSHISU ELECTRIC EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of the existing high-power converter power module radiator, the volume is too large, the heat dissipation effect is not good, th

Method used

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  • Two-side water cooling substrate of power module of current transformer
  • Two-side water cooling substrate of power module of current transformer
  • Two-side water cooling substrate of power module of current transformer

Examples

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Example Embodiment

[0017] The double-sided water-cooled heat dissipation base plate of the power module of the converter includes a heat dissipation base plate formed by brazing an upper cover plate 1 and a lower base plate 2. The end face of the lower base plate 2 is provided with a water inlet 6 and a water outlet 5 connecting the water channel 9 and the external circulating water. , the outer surfaces of the upper cover 1 and the lower substrate 2 (according to the usual installation position of the power components, the outer surfaces refer to the upper surface of the upper cover and the lower surface of the lower cover) are provided with mounting holes 7 on the lower substrate. The inner surface of 2 (that is, the mutual contact surface of the lower base plate 2 and the upper cover plate 1) is provided with a grooved water channel 9, and the square wave-shaped heat dissipation fins 4 formed by regular bending are placed in the water channel 9.

[0018] The water channel 9 is a water tank pro...

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Abstract

The invention relates to the field of railway locomotive, electricity multiple unit and industrial control, in particular to a cooling technology of large-power current transformers, i.e. a two-side water cooling substrate of a power module of a current transformer. The invention solves the problem that the traditional heat sink of the power module of the large-power current transformer has the defects of large size, poor cooling effect and high producing cost. The two-side water cooling substrate is connected with a circulating water system of the current transformer and comprises a cooling substrate which is formed by brazing an upper cover plate and a lower substrate; the end surface of the lower substrate is provided with a connecting water channel and a water inlet and a water outlet of external circulating water; installation holes are arranged on the external surfaces of the upper cover plate and the lower substrate; and the internal surface of the lower substrate is provided with a groove-shaped water channel in which square wave shaped fins are arranged, wherein the fins are bent regularly. The two-side water cooling substrate can realize two-side water cooling, which reduces the heat resistance of the cooling substrate and increase the cooling efficiency on one hand, and lowers the difficulty of the producing process and reduces the producing cost on the other hand.

Description

technical field [0001] The invention relates to the field of railway locomotives, EMUs and industrial control, in particular to the cooling technology of high-power converters, in particular to the double-sided water-cooled heat dissipation substrate of the converter power module. Background technique [0002] With the rapid development of power electronics technology, high-power converters have been widely used. As the core component of the converter, the cooling technology of the power module is very critical, which directly affects the reliability of the converter operation. The main cooling methods of the existing power modules are: natural cooling, forced air cooling, heat pipe cooling, oil circulation cooling, water circulation cooling, boiling cooling, etc. Among them, the water circulation cooling has good cooling effect and small size of heat dissipation substrate, especially can be used with Other components that need to be cooled in the system share the same water...

Claims

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Application Information

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IPC IPC(8): H02M1/00H05K7/20
Inventor 陈广泰刘革莉姚小强
Owner YONGJI XINSHISU ELECTRIC EQUIP
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