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Bidirectional suction flow-dividing centrifugal fan wheel and centrifugal heat dissipating fan

A split-flow and fan-wheel technology, applied in the field of cooling fans, to reduce noise and be less prone to damage

Pending Publication Date: 2020-10-27
无锡中石斯宾驱科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The electronic components inside the notebook computer usually generate heat when they work, which increases the temperature of the components and affects the normal operation of the components. Therefore, a cooling device must be installed to ensure that the components work normally at an appropriate temperature. Now In some cooling fans, the heat dissipation effect is generally improved by increasing the speed of the fan wheel, so the structural strength and noise level of the fan wheel become important factors that limit the improvement of the heat dissipation capacity of the cooling fan

Method used

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  • Bidirectional suction flow-dividing centrifugal fan wheel and centrifugal heat dissipating fan
  • Bidirectional suction flow-dividing centrifugal fan wheel and centrifugal heat dissipating fan

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] This embodiment provides a two-way suction split centrifugal fan wheel, such as figure 1 As shown, in this embodiment, the two-way suction split centrifugal fan wheel includes a hub 1, a plurality of fan blades 2 and a plurality of connecting plates 3, and a plurality of fan blades 2 are arranged along the circumferential direction of the hub 1, and each fan blade 2 One end of each is fixedly connected with the hub 1, and a connecting plate 3 is arranged between two adjacent fan blades 2, and one end of each connecting plate 3 is fixedly connected with the side wall of the hub 1, and the two sides of each connecting plate 3 are respectively connected with Two adjacent fan blades 2 are fixedly connected, and each connecting plate 3 is used to block the flow of gas between two adjacent fan blades 2 in the axial direction of the hub 1 .

[0022] Along the axial direction of the hub 1, both ends of the fan wheel can inhale air, and the connecting plate 3 can block the flow ...

Embodiment 2

[0027] This embodiment provides a two-way suction split centrifugal fan wheel, such as figure 2 As shown, the difference between this embodiment and Embodiment 1 is that along the width direction of the fan blade 2, the two ends of the fan blade 2 are respectively the first end and the second end, and in two adjacent fan blades 2, each One side of each connecting plate 3 is fixedly connected to the first end of one fan blade 2, and the other side is fixedly connected to the second end of the other fan blade 2, and the edge line in the circumferential direction of the fan wheel is continuously bent at an acute angle. shape.

Embodiment 3

[0029] This embodiment provides a centrifugal cooling fan, which includes a casing and the bidirectional suction-splitting centrifugal fan wheel of any one of Embodiment 1 or Embodiment 2. The bidirectional suction-splitting centrifugal fan wheel is located in the casing, along the axial direction of the hub, The two end plates of the housing are provided with air inlets, and the side walls of the housing are provided with air outlets. The air enters the fan wheel from both sides of the housing, and flows out through the flow channels at the diffuser chamber in the housing. After deceleration and expansion, it leaves the cooling fan through the air outlet.

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PUM

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Abstract

The invention discloses a bidirectional suction flow-dividing centrifugal fan wheel and a centrifugal heat dissipating fan and relates to the technical field of heat dissipating fans. The bidirectional suction flow-dividing centrifugal fan wheel comprises a wheel hub, a plurality of fan blades and a plurality of connecting plates, wherein the fan blades are arranged circumferentially along the wheel hub and one end of each fan blade is fixedly connected to the wheel hub, connecting plates are respectively arranged between adjacent fan blades, one end of each connecting plate is fixedly connected to the side wall of the wheel hub, two sides of each connecting plate are fixedly connected to the adjacent two fan blades, and each connecting plate is used for blocking circulation of gas betweenthe two adjacent fan blades in the axial direction of the wheel hub; the centrifugal heat dissipating fan comprises a housing and the bidirectional suction flow-dividing centrifugal fan wheel. The connecting plates can limit the flowing distance of air inhaled from two sides of the fan wheel along the axial direction of the wheel hub, so that two sides of the fan wheel cannot communicate throughthe inner part of the fan wheel. Air entering the housing flows on two sides of the fan wheel, so that the bidirectional suction flow-dividing centrifugal fan wheel is low in noise and high in structural strength, and the rotating speed of the fan wheel is improved favorably.

Description

technical field [0001] The invention relates to the technical field of cooling fans, in particular to a two-way suction split flow centrifugal fan wheel and a centrifugal cooling fan. Background technique [0002] The electronic components inside the notebook computer usually generate heat when they work, which increases the temperature of the components and affects the normal operation of the components. Therefore, a cooling device must be installed to ensure that the components work normally at an appropriate temperature. Now In some cooling fans, the heat dissipation effect is generally improved by increasing the speed of the fan wheel, so the structural strength and noise level of the fan wheel become important factors that limit the improvement of the heat dissipation capacity of the cooling fan. Contents of the invention [0003] The purpose of the present invention is to provide a two-way suction split centrifugal fan wheel and centrifugal cooling fan to solve the p...

Claims

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Application Information

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IPC IPC(8): F04D29/28F04D29/66
CPCF04D29/281F04D29/666
Inventor 李朝勋
Owner 无锡中石斯宾驱科技有限公司