A wind wheel for motor heat dissipation and a fan including the wind wheel

A technology of motor heat dissipation and wind wheel, which is applied to machines/engines, parts of pumping devices for elastic fluids, mechanical equipment, etc., which can solve problems such as inability to dissipate heat from the motor, reduced motor efficiency, and failure of electronic control, etc., to achieve a solution The effect of low motor efficiency, avoiding excessive temperature rise, and improving service life
CN109441877BActive Publication Date: 2020-11-06FANS TECH ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FANS TECH ELECTRIC CO LTD
Publication Date
2020-11-06

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Abstract

The invention discloses a wind wheel for motor heat dissipation and a fan comprising the wind wheel. The wind wheel comprises a wind wheel hub, an inner wind guiding ring, an outer wind guiding ring,inner-layer blades arranged between the inner wind guiding ring and the wind wheel hub, and outer-layer blades arranged between the inner wind guiding ring and the outer wind guiding ring. A central axis of the wind wheel hub serves as a rotating center of the inner-layer blades and the outer-layer blades, and the inner-layer blades and the outer-layer blades are the same in bent direction. The fan comprises a motor, the wind wheel and a fan support, wherein the motor comprises a front end cover and a rear end cover, the inner-layer blades in the fan and cooling fins on the outer side of the motor are used in cooperation to enable a heat dissipation flow channel formed by the inner-layer blades of the wind wheel to dissipate heat of the motor, and meanwhile, the outer-layer blades are matched with the fan support to form a ventilation flow channel to achieve wind output of the fan, and the ventilation flow channel and the heat dissipation flow channel do not interfere with each other.
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Description

technical field

[0001] The invention relates to the field of fans, in particular to a wind wheel for motor heat dissipation and a fan including the wind wheel. Background technique

[0002] Due to the limitation of the space size of the existing fans, the motors are generally placed inside the hub of the wind wheel, which easily leads to slow heat dissipation of the motor and overheating of the motor. Especially when the fan is used in a high temperature environment, there are mainly the following three problems:

[0003] 1. The heat dissipation of the motor is slow, resulting in a decrease in the efficiency of the motor.

[0004] 2. The high temperature causes the life of the bearing inside the motor to decrease, and in severe cases, it is easy to cause the bearing to be stuck.

[0005] 3. For the brushless motor, if it is used in a high temperature environment, such as poor heat dissipation, it is easy to cause the temperature rise of the electric control part of the mot...

Claims

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