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Air guide structure and fan

A technology of air guide structure and deflector vane, which is applied to components of pumping devices for elastic fluids, non-variable pumps, machines/engines, etc. It can solve problems such as noise affecting the service life of fans, and achieve increased The effect of air volume, increased air outlet angle, and noise reduction

Pending Publication Date: 2021-04-13
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The diversion grille of the existing air circulation fan is installed at the axial air outlet. When the circulation fan is in a non-working state, the dust from the outside easily enters the air duct through the diversion grille, and the impeller downstream of the air duct and Deposition on the fan will affect the service life of the fan and easily cause noise

Method used

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  • Air guide structure and fan
  • Air guide structure and fan
  • Air guide structure and fan

Examples

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Embodiment 1

[0054] Such as Figure 1 to Figure 12As shown, an air guide structure provided in this embodiment includes a frame disposed below the air outlet grille 1 along the airflow outflow direction, and an annular flow channel is formed in the frame; several guide vanes 4 are radial It is arranged in the annular flow channel; wherein the guide vanes 4 are driven by external force to rotate with the radial direction of the annular flow channel as the rotation center, and several guide vanes 4 have the first state of closing the annular flow channel at a preset angle of rotation and Open the second state of the annular runner.

[0055] The air guide structure in this embodiment is used on the circulation fan, and a fan is arranged at the air inlet at the lower end of the circulation fan to guide the air flow from the outside into the air duct, and then enter the air outlet grid in this embodiment and flow out to the outside world. The frame body in this embodiment is used as a part of ...

Embodiment 2

[0074] This embodiment provides a fan, specifically a circulation fan, which includes the air guide structure in the above embodiment, and has all the technical advantages thereof, which will not be repeated here.

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Abstract

The invention relates to the technical field of fans, in particular to an air guide structure and a fan. The air guide structure comprises frame bodies and a plurality of flow deflectors, wherein the frame bodies are arranged below an air outlet grid in the airflow outflow direction, and an annular flow channel is formed in the frame bodies; the multiple flow deflectors are arranged in the annular flow channel in a radial shape; and the flow deflectors are driven by external force to rotate with the radial direction of the annular flow channel as the rotating center, and the multiple flow deflectors have a first state of closing the annular flow channel and a second state of opening the annular flow channel when rotating by a preset angle. The flow deflectors are arranged below the air outlet grid and can rotate in an annular air duct, when the fan does not work, the flow deflectors rotate, the multiple flow deflectors are spliced, the annular air duct is closed, and therefore dust is prevented from entering the air duct through air outlets of the air outlet grid and affecting the use of a draught fan and the like.

Description

technical field [0001] The invention relates to the technical field of fans, in particular to an air guide structure and a fan. Background technique [0002] The main structure of the air circulation fan includes a drive motor, a turbo fan, a diversion grille and a cylindrical shell. The air circulation fan can let the wind blow out in a spiral shape along a certain direction, and with the stirring of the fan blades, a spiral columnar wind can finally be formed. The wind blown by the air circulation fan has a long distance and good directionality. [0003] The diversion grille of the existing air circulation fan is installed at the axial air outlet. When the circulation fan is in a non-working state, the dust from the outside easily enters the air duct through the diversion grille, and the impeller downstream of the air duct and Deposition on the fan will affect the service life of the fan and easily cause noise. Contents of the invention [0004] Therefore, the technic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/54F04D29/66
CPCF04D29/541F04D29/667
Inventor 张晓泉陈中兆刘阳清麦焕陈宇强刘改强
Owner GREE ELECTRIC APPLIANCES INC
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