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Crease type vibration fan blade

A fan blade and blade technology, which is applied in the field of wrinkled vibrating fan blades, can solve the problems of increasing fan complexity, increasing uncertain factors, increasing processing difficulty, etc., to achieve increased complexity, improved service life, and improved heat dissipation effect Effect

Active Publication Date: 2021-06-11
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this greatly increases the complexity of the fan, increases the difficulty of processing, and significantly increases the uncertainties brought about by the complexity of the device itself.

Method used

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  • Crease type vibration fan blade
  • Crease type vibration fan blade
  • Crease type vibration fan blade

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] In this embodiment, the corrugated part 1 is composed of four identical basic units, and the side length of the corrugated part 1 is equal to the side length of the straight part 2; The sides 7 are of equal length.

[0028] The blades of the invention and the traditional rectangular blades (that is, four sides are linear, straight blades) of the wrinkle part 1 composed of 4 basic units are respectively installed in the vibrating fan, and the wind speed at the center position of the top of the blade is monitored when the blade is working ( Such as Figure 7 Shown), compare the wind effect. Experiments show that the vibrating fan installed with the blades of the present invention can obtain a greater air outlet effect. Compared with the vibrating fan with traditional rectangular blades, the maximum wind speed can be increased by 0.58m / s, and the average wind speed in one vibration cycle can be increased by 0.43m / s. s. Through specific example tests, the blade of the pr...

Embodiment 2

[0030] In this embodiment, the corrugated part 1 is composed of four identical basic units, and the side length of the corrugated part 1 is greater than that of the straight part 2; The lengths of sides 7 are equal.

Embodiment 3

[0032] In this embodiment, the creased part 1 is composed of four different basic units, the maximum side length of the creased part 1 is equal to the side length of the straight part 2, and the remaining side lengths are smaller than the sides of the straight part 2 Length: the top side 6 of the crease part is a triangular sawtooth, and the side lengths of the four basic units are all different.

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Abstract

The invention discloses a wrinkle type vibration fan blade. The wrinkle type vibration fan blade is composed of a wrinkle part and a straight part. The straight part is fixed on a vibration fan device. The wrinkle part is composed of a plurality of basic units. Each basic unit is composed of two rectangular torsion structures. Each rectangular torsion structure is obtained in a way that one of a group of opposite edges of a rectangle is not twisted and the other edge is twisted along a symmetric axis perpendicular to the other side. In each basic unit, one edges in the other group of opposite edges in the two rectangular torsion structures are connected to form one basic unit. The side edges of the basic units are sequentially connected to form the wrinkle part. The bottom edge of the wrinkle part is connected with the top edge of the straight part. The front area of the blade is designed to be of a wrinkle type space structure instead of a plane structure, the complexity of the vibration fan device is not increased, meanwhile, the wind sweeping area is increased through the wrinkle type front area, and the wind outlet capacity is more uniform during left-right wind sweeping.

Description

technical field [0001] The invention relates to the field of blade shape, in particular to a wrinkled vibrating fan blade. Background technique [0002] As a new type of heat dissipation device, the vibration fan radiator is widely used in the heat dissipation process of electronic equipment and power equipment. Its working principle is to drive the continuous periodic swing of the fan blade through the reciprocating motion of the vibration element, and then disturb the surrounding air flow to achieve For cooling purposes, the shape of the fan blade has a significant impact on the heat dissipation effect of the vortex structure generated when the blade is working. The blades of the traditional vibrating fan have a planar rectangular structure. The disadvantage of this shape is that the air outlet of the blades is uneven, the wind resistance distribution of the blades is uneven, and the air supply capacity is weak, which reduces the heat dissipation effect. [0003] In order...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D33/00F04D29/00
CPCF04D33/00F04D29/002
Inventor 闵春华杨旭光胡金琦王坤解立垚
Owner HEBEI UNIV OF TECH
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