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Draught fan assembly and household electric appliance with same

A technology for household appliances and components, applied in the direction of machines/engines, pump components, mechanical equipment, etc., can solve the problems of small air volume, high noise of fan components, easy deformation of impellers, etc. , the effect of improving reliability

Active Publication Date: 2017-02-22
GUANGDONG MIDEA WHITE HOME APPLIANCE TECH INNOVATION CENT CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The air volume blown by the fan assembly in the related art is small and the noise is large
Although the air supply volume can be increased by increasing the speed of the motor, this leads to greater noise of the fan assembly, and the high speed of the motor increases the loss of the motor, increases the cost, and reduces the reliability and safety
In addition, when the air volume is not enough, a large-diameter impeller is sometimes used to solve the problem. This will not only increase the volume of the fan component itself, but also increase the overall volume of the household appliances. Moreover, considering that the large-diameter impeller is easy to deform under high temperature, this There are higher requirements for the material of the large-diameter impeller, and stricter requirements for the adjustment of dynamic balance, resulting in an increase in material costs and installation costs

Method used

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  • Draught fan assembly and household electric appliance with same
  • Draught fan assembly and household electric appliance with same
  • Draught fan assembly and household electric appliance with same

Examples

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Embodiment Construction

[0030] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0031] In describing the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", etc. indicate an orientation or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention.

[0032] In addition, the terms "first" and "...

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Abstract

The invention discloses a draught fan assembly and a household electric appliance with the same. The draught fan assembly comprises a motor support, a motor, an impeller and a flow collection structure. A through hole is formed in the motor support. The motor is fixed to the front side of the motor support. The impeller is located in the through hole and is connected with a motor shaft of the motor. The flow collection structure is arranged on the motor support and corresponds to the through hole. The rear end face of the flow collection structure is located on the rear side of the rear surface of the motor support. The cross section of the flow collection structure is in a circular ring shape. The rotation outer diameter of the impeller is D1, and the inner diameter of the flow collection structure is D2, wherein 1.02D1<=D2<=1.09D1. By means of the draught fan assembly, the air outlet amount of the draught fan assembly is easily increased, and noise of the draught fan assembly is easily lowered; and furthermore, compared with a manner for increasing the air volume of the draught fan assembly in the prior art, reduction of cost is facilitated, the size of the draught fan assembly is reduced, and the use reliability of the draught fan assembly is improved.

Description

technical field [0001] The invention relates to the technical field of household electrical appliances, in particular to a fan assembly and a household electrical appliance having the same. Background technique [0002] Generally, a fan is usually provided in a household appliance to facilitate heat dissipation of the household appliance. [0003] The air volume blown by the fan assembly in the related art is small and the noise is large. Although the air supply volume can be increased by increasing the speed of the motor, this leads to greater noise of the fan assembly, and the high speed of the motor increases the loss of the motor, increases the cost, and reduces the reliability and safety. In addition, when the air volume is not enough, a large-diameter impeller is sometimes used to solve the problem. This will not only increase the volume of the fan component itself, but also increase the overall volume of the household appliances. Moreover, considering that the large-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D25/08F04D29/00F04D29/32F04D29/66
Inventor 张冀喆李长明陈茂顺张辉李忠华
Owner GUANGDONG MIDEA WHITE HOME APPLIANCE TECH INNOVATION CENT CO LTD
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