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A Noise Reduction 360° Fan

A fan and noise reduction technology, which is applied to the components of pumping devices for elastic fluids, non-variable-capacity pumps, pump devices, etc. The effect of increasing the air volume and reducing the noise radiation

Inactive Publication Date: 2016-08-24
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the current 360° fan noise is relatively small, but on the axial blade tip and the radial blade tip, the ambient gas pulsation is caused when the turbine rotates, causing the air flow to be unstable and increasing the chance of rotating noise

Method used

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  • A Noise Reduction 360° Fan
  • A Noise Reduction 360° Fan
  • A Noise Reduction 360° Fan

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention will be further described below in conjunction with accompanying drawing.

[0017] Such as figure 1 , figure 2 As shown, a noise-reducing 360° fan includes a motor 4, a rotating shaft 5, a turbine 1, a motor fixing frame 8, a single-rotor axial flow fan 9 and a mesh cover 6; the mesh casing wraps the turbine as a whole, and the motor fixing frame A motor is arranged on the top, and the output shaft of the motor is connected to the turbine through the transmission shaft. The motor, motor fixing frame and rotating shaft are all arranged in the base; the single rotor axial flow fan is arranged in the base 7, and is directly installed on the rotating shaft and The rotating shaft is concentrically matched and connected, and the rotating shaft directly drives the single-rotor axial flow fan to rotate.

[0018] Such as image 3 , Figure 4 As shown, described turbine comprises blade 2 and flat plate 3, and blade is divided into six main blades, six s...

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Abstract

The invention discloses an omni-directional fan with a denoising function. The omni-directional fan with the denoising function comprises a motor, a rotary shaft, a turbine, a motor fixing frame, a small fan body and a netty outer cover, wherein the whole turbine is covered with the netty outer cover, the motor is arranged on the motor fixing frame, an output shaft of the motor is connected with the turbine through a transmission shaft, the motor, the motor fixing frame and the rotary shaft are all arranged in the base, the small fan body is arranged in the base and is directly installed on the rotary shaft to be connected with the rotary shaft in a concentric mode, and the small fan body is directly driven to rotate through the rotary shaft. According to the omni-directional fan with the denoising function, the performance of the omni-directional fan is improved through the unequal-pitch type turbine structure with splitter blades. The omni-directional fan with the denoising function has the advantages of being low in noise, good in air outlet effect and the like.

Description

technical field [0001] The invention belongs to the technical field of fans, and in particular relates to a noise reduction 360° fan. Background technique [0002] Traditional fans often have a mediocre appearance and do not have particularly eye-catching features. The direction of the air outlet is also very single. Often, it can only blow in one direction, and there is no guarantee that the air can be blown in 360°. Or the fan is required to swing constantly so that there is wind in every direction, but there is no guarantee that the wind will blow through at the same time. [0003] In order to solve the above problems, 360° fans appear on the market, which not only have the performance of modern fans, but also have a classical appearance. The fan combines classic and modern features. Not just a fan, but a work of art. There is a metal mesh cover on the outside for protection. The 360° fan realizes 360° blowing at the same time. Placed on a conference desk, everyone c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D25/16F04D29/26F04D25/08F04D29/66
Inventor 金英子李国琪胡勇军李昳崔宝玲
Owner ZHEJIANG SCI-TECH UNIV
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