Liquid-cooled motor controller

A motor controller and liquid cooling technology, which is applied in the direction of cooling/ventilation/heating transformation, etc., can solve the problems of poor heat conduction effect and complicated processing technology, and achieve the effects of reducing processing workload, simple processing technology and reducing power loss

Inactive Publication Date: 2012-12-12
温州市明派车辆部件有限公司
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  • Abstract
  • Description
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Problems solved by technology

This kind of heat conduction method involves the pressing installation process of power devices and metal heat conductors, and also has to deal with insulation problems
And due to the constraints of the current technical conditions, to achieve the purpose of the motor controller, the number of power devices required varies from 6 to 48, and the number of power devices from 6 to 48 must be pressed onto the metal heat conductor , and requires insulation from the metal heat conductor, the processing technology is complicated, and the heat conduction effect is not good

Method used

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  • Liquid-cooled motor controller

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, the present invention will be further described with specific embodiment, see figure 1 :

[0023] The liquid-cooled motor controller insulates and supports the circuit board 2 of the motor controller 16 containing power devices in a closed metal box 15, and the metal box 15 is filled with an insulating and heat-conducting liquid 11, and the inner wall of the metal box 15 and the liquid 11 A thermal expansion space 10 with liquid is arranged between them, and the wire 14 connected to the motor controller 16 is insulated and sealed to lead out of the metal box 15 .

[0024] Above-mentioned metal box 15 is the box that aluminum material or copper material are made at least three sides.

[0025] The above-mentioned liquid 11 is transformer oil or insulating oil or silicone oil or heat-conducting oil for insulation and heat conduction.

[0026] The heat energy generated by the operation of the power device 9 on the circuit bo...

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Abstract

The invention belongs to the technical field of motor controllers and relates to a liquid-cooled motor controller. The motor controller is characterized in that a circuit board of a motor controller, which contains power devices, is supported in a closed metal box in an insulating manner; insulating and heat conducting liquid is filled in the metal box; heat expansion space of the liquid is arranged between the inner wall of the metal box and the liquid; and a lead connected with the motor controller is led out of the metal box in an insulating and sealing manner. The motor controller has the following advantages: the motor controller adopts the liquid to conduct heat outwards, has high heat transfer efficiency, high heat dissipation speed, good insulating property and long service life, and is suitable for manufacturing motor controllers with high reliability.

Description

technical field [0001] The invention belongs to the technical field of motor controllers, in particular to a liquid-cooled motor controller. Background technique [0002] The commonly used power devices of the motor controller are field effect tubes or IGBTs, etc., and the heat generated by the power devices is conducted by pressing against metal heat conducting (dissipating) bodies. Power devices and metal radiators must be insulated from each other with insulation such as insulating sheets. This type of heat conduction method involves the pressing installation process of power devices and metal heat conductors, and also needs to deal with insulation problems. And due to the constraints of the current technical conditions, to achieve the purpose of the motor controller, the number of power devices required varies from 6 to 48, and the number of power devices from 6 to 48 must be pressed onto the metal heat conductor , and requires insulation from the metal heat conductor,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K7/20
Inventor 陈夏新
Owner 温州市明派车辆部件有限公司
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