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Heat radiation fan

A heat dissipation fan and fan wheel technology, which is applied to parts of pumping devices for elastic fluids, non-variable pumps, pump devices, etc., can solve the lack of heat dissipation mechanism, affect the service life of heat dissipation fans, and reduce heating electronic components 32 Action stability and other issues to achieve the effect of prolonging service life, reducing turbulence and noise, and improving heat dissipation efficiency

Active Publication Date: 2007-08-01
SUNONWEALTH ELECTRIC MACHINE IND
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, structurally, the heating electronic component 32 is located in the base 13 and the hub 21, and the heating electronic component 32 usually lacks a proper heat dissipation mechanism.
If the heat energy of the heating electronic component 32 cannot be dissipated in time, the high temperature will reduce the operation stability of the heating electronic component 32, and even affect the service life of the cooling fan

Method used

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  • Heat radiation fan
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Embodiment Construction

[0019] In order to make the above-mentioned purpose, technical features and advantages of the present invention more obvious and understandable, the preferred embodiments of the present invention are specifically cited below, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0020] Please refer to FIG. 2 , the first embodiment of the present invention is a cooling fan, which mainly includes a casing 1 , a fan wheel 2 and a circuit board 3 . The circuit board 3 maintains a specific relative assembly relationship with the casing 1 and the fan wheel 2 so as to relatively prolong the service life of the circuit of the circuit board 3 .

[0021] Please refer to FIGS. 2 and 3 , the casing 1 is provided with an airflow passage 10 , an air inlet 11 , an air outlet 12 , a base 13 and a stator assembly 14 . The airflow channel 10 is used for accommodating the fan wheel 2 . The air inlet 11 and the air outlet 12 are located on two sides of the air...

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Abstract

A radiating fan comprises a frame, a blade wheel, and a circuit board, wherein, the frame has an airflow channel and a base; the base is at one side of airflow channel to support the circuit board; the blade wheel is rotationally arranged on the base with a hub and several blades; the circuit board has at least one heating electric element. Along the axle of frame, the heating electric element protrudes outside the hub of blade wheel, while at least one part is at the descending position of said blade, to radiate the heat. The invention can improve the radiating efficiency and prolong the service life, reduce the interference and noise.

Description

technical field [0001] The invention relates to a cooling fan, in particular to a cooling fan which arranges at least one heating electronic component at the downwind of the blades of the fan wheel, so as to improve the cooling efficiency of the heating electronic component and prolong the service life. Background technique [0002] Please refer to FIG. 1 , a conventional cooling fan includes a casing 1 , a fan wheel 2 and a circuit board 3 . The casing 1 is provided with an air passage 10 , an air inlet 11 , an air outlet 12 , a base 13 and a stator assembly 14 . The airflow channel 10 is used for accommodating the fan wheel 2 and allowing airflow to be input from the air inlet 11 and output from the air outlet 12 . The base 13 is disposed on the side of the air outlet 12 for carrying the circuit board 3 and the stator assembly 14 and combined with the fan wheel 2 . The fan wheel 2 is provided with a hub 21 , a shaft 22 , several blades 23 and a ring magnet 24 . The hub ...

Claims

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Application Information

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IPC IPC(8): F04D29/64F04D25/08
Inventor 洪银树谢皓安罗培玮
Owner SUNONWEALTH ELECTRIC MACHINE IND