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Electronic water pump

A technology of electronic water pumps and rotors, which is applied in the direction of pumps, pump devices, pump components, etc., can solve the problems of temperature rise of control board components and affect the normal operation of electronic water pumps, and achieve the effect of ensuring normal operation and good heat dissipation

Inactive Publication Date: 2018-02-23
GUANGDONG WELLING AUTO PARTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the control board assembly will generate a lot of heat during the process of controlling the current commutation, this will cause the temperature of the control board assembly to rise continuously, thus affecting the normal operation of the electronic water pump

Method used

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, if there are descriptions involving "first", "second" and ...

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Abstract

The invention discloses an electronic water pump which comprises a pump shell, a motor shell, a stator assembly, a rotor assembly and a control panel assembly. A pump body cavity and an impeller arranged inside the pump body cavity are arranged inside the pump shell, the motor shell comprises a rotor installation cavity and a stator installation cavity which are arranged coaxially, the motor shellis provided with a liquid feeding channel through which the rotor installation cavity communicates with the pump body cavity, the stator assembly is arranged in the stator installation cavity, the rotor assembly is arranged in the rotor installation cavity, a liquid drainage channel through which the rotor installation cavity communicates with the pump body cavity us formed inside the rotor assembly, and the control panel assembly is in fit with the outer wall face of the rotor installation cavity. According to the electronic water pump, the motor shell is provided with the liquid feeding channel, the rotating shaft is arranged in a hollow mode to form the liquid drainage channel, accordingly, good heat dissipation can be achieved for the control panel assembly, and normal work of the control panel assembly is ensured.

Description

technical field [0001] The invention relates to the field of water pumps, in particular to an electronic water pump. Background technique [0002] At present, the motors used by electronic water pumps are mainly brushed motors or brushless motors. Among them, the brushless motor needs to be equipped with a control board component to realize the commutation of the current, so as to ensure the continuous rotation of the motor. Because the control board assembly will generate a lot of heat during the process of controlling the current commutation, this will cause the temperature of the control board assembly to rise continuously, thereby affecting the normal operation of the electronic water pump. Contents of the invention [0003] The main purpose of the present invention is to provide an electronic water pump, aiming at achieving good heat dissipation of the control board assembly, thereby ensuring the normal operation of the electronic water pump. [0004] In order to ach...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D13/06F04D29/58
CPCF04D13/06F04D29/5806F04D29/5813F04D29/586
Inventor 王东葛笑
Owner GUANGDONG WELLING AUTO PARTS CO LTD