CN115596690A - High-efficient silence fan - Google Patents

High-efficient silence fan Download PDF

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Publication number
CN115596690A
CN115596690A CN202211320925.5A CN202211320925A CN115596690A CN 115596690 A CN115596690 A CN 115596690A CN 202211320925 A CN202211320925 A CN 202211320925A CN 115596690 A CN115596690 A CN 115596690A
Authority
CN
China
Prior art keywords
main body
impeller
air outlet
air inlet
inlet base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211320925.5A
Other languages
Chinese (zh)
Inventor
周红波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Zhiyide Intelligent Technology Co ltd
Original Assignee
Suzhou Zhiyide Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Zhiyide Intelligent Technology Co ltd filed Critical Suzhou Zhiyide Intelligent Technology Co ltd
Priority to CN202211320925.5A priority Critical patent/CN115596690A/en
Publication of CN115596690A publication Critical patent/CN115596690A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/083—Sealings especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a high-efficiency silent fan which comprises a main body, an air inlet base and an air outlet cover, wherein the air inlet base is arranged on the main body; the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; the output shaft of the motor can drive the impeller to rotate; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surface of the bracket is hollowed out; when the invention works, most of the air flow thrown out from the space between the adjacent spiral blades can be directly discharged from the air outlet holes uniformly distributed on the air outlet cover, namely, the air flow has a direct and shortest route and almost no obstruction, thereby having high efficiency and low noise.

Description

High-efficient silence fan
Technical Field
The invention relates to the field of dust collectors, in particular to a high-efficiency mute fan which has the advantages that most of air flow thrown out from the space between adjacent spiral blades can be directly discharged from air outlet holes uniformly distributed on an air outlet cover when in work, namely, the route of the air flow is direct, shortest and almost free from blockage, so that the efficiency is high, and the noise is low.
Background
The working principle of the dust collector is that a fan of the dust collector rotates at a high speed, air is sucked from a suction inlet, a dust barrel generates certain vacuum, dust enters the dust barrel and is separated out, and clean air flow is discharged through the fan; when the air conditioner works, air flow thrown out from the space between the adjacent spiral blades firstly touches the side wall of the groove on the upper surface of the air inlet base and then climbs, and after the air flow turns over the side wall, the air flow is discharged from the air outlet holes uniformly distributed on the air outlet cover; the fan increases the path of the airflow, and also has the problem of changing the advancing direction of the airflow, thereby causing energy loss and simultaneously having high noise.
Therefore, a high-efficiency mute fan which is high in efficiency and low in noise is developed, wherein most of air flow thrown out from the adjacent spiral blades can be directly discharged from air outlet holes uniformly distributed on an air outlet cover when the fan works, namely, the air flow path is direct, shortest and almost free from blocking.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the efficient mute fan which has the advantages that most of air flow thrown out from the space between the adjacent spiral blades can be directly discharged from the air outlet holes uniformly distributed on the air outlet cover when in work, namely, the air flow path is direct, shortest and almost free from blockage, so that the efficiency is high, and the noise is low.
In order to achieve the purpose, the invention adopts the technical scheme that: a high-efficiency silent fan comprises a main body, an air inlet base and an air outlet cover; the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; the output shaft of the motor can drive the impeller to rotate; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surfaces of the bracket are hollowed out.
Preferably, an output shaft of the motor is connected with the impeller top cover to drive the impeller top cover to rotate; the impeller is fixed on the lower surface of the impeller top cover and rotates along with the impeller top cover.
Preferably, the impeller head is disposed inside the bracket.
Preferably, the bracket comprises an upper connecting part and a lower connecting part; the upper connecting part is located above the lower connecting part, and the upper connecting part and the lower connecting part are connected through connecting blocks arranged at intervals to form large-area hollow parts.
Preferably, the connecting blocks are uniformly distributed.
Preferably, the upper connecting part is annular; the lower connecting part is also in a circular ring shape; the connecting blocks are 4 and evenly distributed.
Preferably, the upper surface of the impeller is provided with regularly arranged helical blades; after assembly, the highest point of the periphery of the upper surface of the air inlet base is not higher than half of the height of the spiral blades on the impeller.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
in the high-efficiency silent fan, the main body is connected with the air inlet base through the bracket, and after the high-efficiency silent fan is assembled, the highest point of the periphery of the upper surface of the air inlet base is not higher than half of the height of the spiral blade on the upper surface of the impeller; when the air-out cover works, most of air flow thrown out from the adjacent spiral blades can be directly discharged from the air outlet holes uniformly distributed on the air-out cover, namely, the air flow path is direct, shortest and almost free from blockage, so that the efficiency is high, and the noise is low.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is a perspective view of a high efficiency silent fan according to the present invention;
FIG. 2 is a front view of the high efficiency silent fan of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a perspective view of the high efficiency silent fan of the present invention at a first angle with the outlet housing removed;
FIG. 5 is a perspective view of the high efficiency silent fan of the present invention at a second angle with the outlet housing removed;
FIG. 6 is an enlarged perspective view of the bracket for a high efficiency silent fan according to the present invention;
wherein: 1. a main body; 2. an air inlet base; 3. a support; 4. a motor; 5. an impeller head cover; 6. an impeller; 7. an air outlet cover; 8. a first seal ring; 9. a second seal ring; 31. an upper connecting portion; 32. a lower connecting portion; 33. and (4) connecting the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the high-efficiency silent fan of the present invention comprises a main body 1, an air inlet base 2 and an air outlet cover 7; the main body 1 is connected with the air inlet base 2 through a bracket 3; the main body 1 is used for installing a motor 4; the impeller top cover 5 is arranged inside the bracket 3; an output shaft of the motor 4 is connected with the impeller top cover 5 and used for driving the impeller top cover 5 to rotate; the impeller 6 is fixed on the lower surface of the impeller top cover 5 and rotates along with the impeller top cover 5; the main part 1 and the air inlet base 2 are arranged in the air outlet cover 7, the main part 1 and the air outlet cover 7 are sealed by a second sealing ring 9, and the air inlet base 2 and the air outlet cover 7 are sealed by a first sealing ring 8.
The bracket 3 comprises an upper connecting part 31 and a lower connecting part 32; the upper connecting part 31 is positioned above the lower connecting part 32, and the upper connecting part 31 and the lower connecting part 32 are connected through connecting blocks 33 arranged at intervals to form large-area hollow parts; the connecting blocks 33 are uniformly distributed; in this embodiment, the upper connecting portion 31 has a circular ring shape; the lower connecting portion 32 is also annular; the connecting blocks 33 are 4 and uniformly distributed.
The upper surface of the impeller 6 is provided with regularly arranged helical blades; after assembly, the highest point of the periphery of the upper surface of the air inlet base 2 is not higher than half of the height of the spiral blades on the impeller 6.
During operation, external air flow enters from an air inlet in the middle of the lower surface of the air inlet base 2, is thrown out from the space between adjacent spiral blades after being stirred by the impeller 6, and after assembly, the highest point of the periphery of the upper surface of the air inlet base 2 is not higher than half of the height of the spiral blades; most of the air flow thrown out from the adjacent helical blades can be directly discharged from the air outlet holes uniformly distributed on the air outlet cover 7, that is, the support 3 hardly blocks the advancing direction of the air flow thrown out from the adjacent helical blades, and hardly forces the air flow thrown out from the adjacent helical blades to change the original advancing direction, that is, the route of the air flow is direct, shortest and hardly blocked, so that the efficiency is high and the noise is low.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
in the high-efficiency silent fan, the main body 1 is connected with the air inlet base 2 through the bracket 3, and after the high-efficiency silent fan is assembled, the highest point of the periphery of the upper surface of the air inlet base 2 is not higher than half of the height of the spiral blade on the upper surface of the impeller 6; when the air-out cover works, most of air flow thrown out from the adjacent spiral blades can be directly discharged from the air outlet holes uniformly distributed on the air-out cover 7, namely, the air flow route is direct, shortest and almost without obstruction, so that the efficiency is high, and the noise is low.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims (7)

1. A high-efficiency silent fan comprises a main body, an air inlet base and an air outlet cover; the method is characterized in that: the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; the output shaft of the motor can drive the impeller to rotate; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surfaces of the bracket are hollowed out.
2. The high efficiency silent fan of claim 1, wherein: an output shaft of the motor is connected with the impeller top cover and used for driving the impeller top cover to rotate; the impeller is fixed on the lower surface of the impeller top cover and rotates along with the impeller top cover.
3. The high efficiency silent fan of claim 2, wherein: the impeller top cover is arranged inside the bracket.
4. The high efficiency silent fan of claim 1, wherein: the bracket comprises an upper connecting part and a lower connecting part; the upper connecting part is located above the lower connecting part, and the upper connecting part and the lower connecting part are connected through connecting blocks arranged at intervals to form large-area hollow parts.
5. The high efficiency silent fan of claim 4, wherein: the connecting blocks are uniformly distributed.
6. The high efficiency silent fan of claim 4, wherein: the upper connecting part is annular; the lower connecting part is also in a circular ring shape; the connecting blocks are 4 and evenly distributed.
7. The high efficiency silent fan of claim 1, wherein: the upper surface of the impeller is provided with regularly arranged spiral blades; after assembly, the highest point of the periphery of the upper surface of the air inlet base is not higher than half of the height of the spiral blades on the impeller.
CN202211320925.5A 2022-10-26 2022-10-26 High-efficient silence fan Pending CN115596690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211320925.5A CN115596690A (en) 2022-10-26 2022-10-26 High-efficient silence fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211320925.5A CN115596690A (en) 2022-10-26 2022-10-26 High-efficient silence fan

Publications (1)

Publication Number Publication Date
CN115596690A true CN115596690A (en) 2023-01-13

Family

ID=84849976

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211320925.5A Pending CN115596690A (en) 2022-10-26 2022-10-26 High-efficient silence fan

Country Status (1)

Country Link
CN (1) CN115596690A (en)

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