Air conditioner axial flow fan and air duct

A technology for axial flow fans and air ducts, which is applied to axial flow pumps, mechanical equipment, machines/engines, etc., can solve the problems of increased material and process costs, insufficient improvement effects, complex structures, etc., and achieve long service life, The effect of weakening the secondary noise and increasing the stress area

Pending Publication Date: 2020-09-11
浙江科贸实业有限公司
View PDF0 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned technical solution 1: Usually, the diffuser pipe section is connected with the outlet of the ventilator cylinder by means of bolt connection, which will add a pair of connecting flanges and several sets of connecting bolts, making the structu...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Air conditioner axial flow fan and air duct
  • Air conditioner axial flow fan and air duct
  • Air conditioner axial flow fan and air duct

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A method for manufacturing an air duct of an air-conditioning axial flow fan, comprising an integrally formed inlet guide section 102, a straight section 103, and a diffuser section 104. The manufacturing process is as follows: a rectangular metal plate is selected, and the metal plate can be a steel plate Such as materials with certain mechanical strength, the length of the flat plate is 2880mm, and the width is 400mm. The length direction of the metal flat plate is rolled into a cylinder, and the sides in the width direction are overlapped and then welded. The diameter of the cylinder is 915mm. , with a height of 400mm. One end of the metal cylinder is hydraulically expanded with a special mold and tooling to form a diffuser section. The cross-sectional area of ​​the diffuser section gradually increases axially from the air outlet of the straight-through section. The cross-section of the section is circular, the axial section of the diffuser section is equilateral trapez...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an air duct of an air conditioner axial flow fan. The air duct comprises an inlet diversion segment, a straight segment and a diffusion segment. Air flow enters through the inlet diversion segment, flows in the axial direction and is output of the diffusion segment. The inlet diversion segment, the straight segment and the diffusion segment are integrally prepared. The inlet diversion segment is a hollow and smooth conical arc-shaped circular truncated cone body. The diameter of the inner wall of the inlet diversion segment successively decreases in the axial directionwith an air inlet as the start. The straight segment is a hollow cylinder with all the cross sections equal. The cross sectional area of the diffusion segment successively increases in the axial direction with the an air outlet of the straight segment as the start. The sum of the axial height of the inlet diversion segment and the axial height of the straight segment is larger than the axial height of the diffusion segment. With the air conditioner axial flow fan with the air duct, the noise of the flow fan can be obviously reduced, the performance and the efficiency of the flow fan can be improved, the integrated making technology of the air duct is simple, and the flow fan is easy and convenient to install and maintain.

Description

technical field [0001] The invention relates to a ventilator, in particular to an axial flow fan and a blower used for air conditioning. Background technique [0002] With the development of the national economy, the living standards of our people are improving day by day, and refrigeration and air conditioning equipment are inseparable from people's daily work and life. The ventilator is an essential part of the air conditioner, and its performance greatly affects the quality of the entire air conditioner unit. Therefore, it is of great significance to select the appropriate ventilator product for the air conditioner manufacturing enterprise. The air flow of the axial flow fan flows along the axial direction in the flow channel of the rotating blade, and has the characteristics of small pressure coefficient, high specific speed, relatively small structural size, and easy installation. Therefore, the axial flow fan is suitable for occasions with large air volume and small i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): F04D29/52F04D29/54F04D19/00F04D25/08F04D29/66
CPCF04D19/002F04D25/06F04D25/08F04D29/522F04D29/545F04D29/547F04D29/663F04D29/667F04D29/668
Inventor 裘霖富刘伟张职峰徐天赐陈凯斌竺春辉
Owner 浙江科贸实业有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap