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Fan and motor

A motor and fan technology, applied in the field of fans and their inner rotor motors, can solve the problems of reducing the air volume of the fan 1, increasing the production and manufacturing costs of the fan 1, reducing the area of ​​the air inlet and the air outlet of the fan 1, etc., so as to simplify the winding method. , The effect of improving the configuration method and saving the winding time

Inactive Publication Date: 2013-05-15
DELTA ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, since the silicon steel sheets 12 and the winding wires 13 of the stator structure are arranged separately and juxtaposed between the fan frame 15 and the fan blades 14, and the groove teeth of the silicon steel sheets 12 occupy the space inside the fan frame 15, the air inlet and the air inlet of the fan 1 are directly reduced. The air outlet area indirectly reduces the air volume that fan 1 can discharge
In addition, the winding wire 13 needs to be wound with the silicon steel sheet 12 respectively, which will increase the production and manufacturing cost of the fan 1

Method used

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Embodiment Construction

[0034] A fan and its motor according to preferred embodiments of the present invention will be described below with reference to related drawings, wherein the same elements will be described with the same reference symbols.

[0035] Please refer to Figure 2A and Figure 2B As shown, a fan 2 of the present invention includes a fan frame 30 , a motor 20 and a plurality of fan blades 26 . Wherein, the motor 20 is an inner rotor motor, and is arranged in the fan frame 30 . The motor 20 includes a rotor magnetic ring 21 , a stator core 22 , a first magnetically conductive sheet 23 , a second magnetically conductive sheet 24 and a winding 25 . The stator core 22 , the first magnetically conductive sheet 23 , the second magnetically conductive sheet 24 and the winding wire 25 constitute the stator structure of the motor 20 .

[0036] Please also refer to Figure 2B and image 3 , the stator core 22 is a magnetically permeable yoke, and is arranged outside the rotor magnetic rin...

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Abstract

The invention discloses a motor which comprises a rotor magnet ring, a stator iron core, a first silicon steel sheet, and a second silicon steel sheet. The stator iron core is arranged outside the rotor magnet ring. The first silicon steel sheet is ring-shaped, arranged on an upper side of the stator iron core and provided with at least one first magnetic pole. The second silicon steel sheet is ring-shaped, arranged on a lower side of the stator iron core and provided with at least one second magnetic pole. The first magnetic pole and the second magnetic pole are arranged in the projection direction in a staggered mode. The invention further discloses a fan with the motor.

Description

[0001] This invention is a divisional application of the Chinese invention patent application (application number: 200810002944.7, application date: January 11, 2008, invention name: fan and its motor). technical field [0002] The invention relates to a fan and its motor, in particular to a fan and its inner rotor motor. Background technique [0003] The volume of the current fans used in electronic devices or electronic systems tends to be thinner and smaller. In the limited volume of products, it is necessary to improve the heat dissipation performance of the fans. In order to improve the heat dissipation performance of the fan, one of the important improvement methods is to adjust the fan blade area of ​​the fan. [0004] Generally speaking, fan motors can be classified into outer rotor motors and inner rotor motors according to the arrangement of the rotor structure and the stator structure. [0005] Please refer to figure 1 As shown, an existing fan 1 uses an inner r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K7/14F04D25/08
Inventor 蔡水发梁弘毅陈厚助徐金柱
Owner DELTA ELECTRONICS INC
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