Energy-saving air blower

By using a dual-axis permanent magnet synchronous motor to drive the fan blades in the blower and utilizing heat dissipation fins, the heat dissipation problem of high-power permanent magnet synchronous motors is solved, achieving energy-saving heat dissipation and extending motor life.

CN223459570UActive Publication Date: 2025-10-21DAWA ELECTRIC (SHENZHEN) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422947794.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-21
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

When using high-power permanent magnet synchronous motors, existing blowers suffer from heat dissipation problems, leading to increased energy consumption and affecting energy utilization efficiency.

Method used

A dual-axis permanent magnet synchronous motor drives the fan blades to rotate for heat dissipation, and heat dissipation fins are used to increase the heat dissipation area of ​​the motor housing. It utilizes external air for natural heat dissipation, and the fan blade speed is adjusted synchronously with the turbine speed to automatically adjust the cooling airflow.

Benefits of technology

It achieves heat dissipation without the need for additional drive equipment, reduces energy consumption, improves heat dissipation efficiency, and extends the service life of the motor.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223459570U_ABST
    Figure CN223459570U_ABST
Patent Text Reader

Abstract

The utility model provides an energy-saving type air blower which comprises a fan assembly, a heat dissipation assembly is arranged on one side of the fan assembly, and the heat dissipation assembly comprises a heat dissipation housing, a second threaded sleeve, a second dustproof net, ventilation holes, a double-shaft permanent magnet synchronous motor, heat dissipation fins, a transmission shaft and fan blades. And one side of the heat dissipation housing is in threaded connection with a second threaded sleeve, one side of the second threaded sleeve is fixedly connected with a second dustproof net, and ventilation holes are evenly formed in the outer side wall of the heat dissipation housing. The double-shaft permanent magnet synchronous motor drives the turbine to rotate to complete airflow conveying, meanwhile, the fan blades are installed at the other end of the double-shaft permanent magnet synchronous motor to dissipate heat, additional driving equipment does not need to be added, energy consumption is reduced, meanwhile, the rotating speed of the fan blades and the rotating speed of the turbine are synchronously adjusted, and the heat dissipation wind speed can be automatically adjusted. The heat dissipation area of the motor shell is increased through the heat dissipation fins, the heat dissipation efficiency is improved, overheating of the motor is avoided, and the service life of the motor is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of air blowers, in particular to a kind of energy-saving air blower, belong to air blower technical field. BACKGROUND

[0002] Air blower is an important gas compression and delivery equipment, it is converted by mechanical energy, and a large number of gas is compressed and delivered to the place needed. The main function of air blower is to provide stable airflow, for various industrial and commercial applications, its functions include combustion-supporting, ventilation, air exchange, cooling, etc., can meet the gas delivery needs of different occasions. Air blower has multiple advantages, its structure is compact, occupies small area, is easy to install and maintain, air blower runs smoothly, and noise is low, which will not cause disturbance to the surrounding environment. Air blower is widely used in various fields, in metallurgy, chemical industry and other industrial fields, air blower is used for combustion-supporting and air supply of blast furnace, converter and other equipment, to ensure the smooth progress of production process, in the field of environmental protection, air blower is used for aeration system of sewage treatment plant, to provide sufficient oxygen for microorganisms, to promote biochemical treatment of sewage, in addition, air blower is also widely used in food, medicine, building and other industries, to provide required airflow for various equipment.

[0003] In order to improve the energy efficiency of air blower, some air blowers are driven by high-power permanent magnet synchronous motor, the temperature of high-power permanent magnet synchronous motor will continuously rise when it works for a long time, and additional cooling equipment needs to be added to cool it, which will increase the energy consumption of air blower, and is not conducive to energy saving, therefore, an energy-saving air blower is proposed. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides an energy-saving air blower to solve or alleviate one of the technical problems in the prior art, at least to provide a beneficial choice.

[0005] The technical scheme of the utility model embodiment is realized as follows: an energy-saving air blower, comprising a fan assembly, a heat dissipation assembly is arranged on one side of the fan assembly, the heat dissipation assembly comprises a heat dissipation cover shell, a second threaded sleeve, a second dust screen, a ventilation hole, a double-shaft permanent magnet synchronous motor, a heat dissipation fin, a transmission shaft and a fan blade.

[0006] The side of the heat dissipation cover shell is threadedly connected with a second threaded sleeve, one side of the second threaded sleeve is fixedly connected with a second dustproof net, the outer side wall of the heat dissipation cover shell is uniformly provided with ventilation holes, the inside of the heat dissipation cover shell is installed with a double-shaft permanent magnet synchronous motor, the outer side wall of the double-shaft permanent magnet synchronous motor is uniformly fixedly connected with heat dissipation fins, the output shaft of the double-shaft permanent magnet synchronous motor is fixedly connected with a transmission shaft through a shaft coupling, the outer side wall of the transmission shaft is uniformly fixedly connected with a fan blade, the other end output shaft of the double-shaft permanent magnet synchronous motor is installed with a fan blade for heat dissipation, when heat dissipation, the double-shaft permanent magnet synchronous motor drives the fan blade to rotate, external air is filtered through the second dustproof net and then enters the heat dissipation cover shell and is discharged from the ventilation holes, and the rotation speed of the fan blade is synchronously adjusted with the rotation speed of the turbine, so that the heat dissipation air speed can be automatically adjusted, the heat dissipation area of the motor shell is increased through the heat dissipation fins, and the heat dissipation efficiency is improved.

[0007] Further preferably, the fan assembly comprises a fan shell and an air inlet.

[0008] The side of the heat dissipation cover shell is fixedly connected with a fan shell, and the fan shell is provided with an air inlet on one side.

[0009] Further preferably, the outer side wall of the air inlet is threadedly connected with a first threaded sleeve.

[0010] Further preferably, one side of the first threaded sleeve is fixedly connected with a first dustproof net.

[0011] Further preferably, the inside of the fan shell is rotatably connected with a turbine, and the turbine is fixedly connected with the output shaft of the double-shaft permanent magnet synchronous motor.

[0012] Further preferably, the outer side wall of the fan shell is communicated with an air outlet.

[0013] Further preferably, one end of the air outlet is communicated with an air outlet pipe, and a silencer is installed on the air outlet pipe.

[0014] Further preferably, the bottom of the fan shell and the heat dissipation cover shell is fixedly connected with a base.

[0015] The above technical scheme is adopted in the embodiment of the utility model, and the following advantages are obtained.

[0016] Firstly, the double-shaft permanent magnet synchronous motor drives the turbine to rotate to complete airflow conveying, and a fan blade is installed at the other end of the double-shaft permanent magnet synchronous motor for heat dissipation, without the need of adding additional driving equipment, so that energy consumption is reduced, and the rotation speed of the fan blade is synchronously adjusted with the rotation speed of the turbine, so that the heat dissipation air speed can be automatically adjusted.

[0017] Secondly, the heat dissipation fins increase the heat dissipation area of the motor shell, improve the heat dissipation efficiency, avoid overheating of the motor, and prolong the service life of the motor.

[0018] The above summary is intended to illustrate only and is not intended to limit the application in any way. Further aspects, embodiments and features of the application will be apparent from the detailed description and drawings that follow. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 is a structural diagram of the present application;

[0021] Figure 2 is a structure diagram of the present application after the first threaded sleeve is removed;

[0022] Figure 3 is a structure diagram of the heat dissipation cover shell of the present application;

[0023] Figure 4 is an internal structure diagram of the heat dissipation cover shell of the present application.

[0024] Reference signs: 10, fan assembly; 11, fan shell; 12, air inlet; 13, first threaded sleeve; 14, first dust screen; 15, turbine; 16, air outlet; 17, air outlet pipe; 18, silencer; 19, base; 20, heat dissipation assembly; 21, heat dissipation cover shell; 22, second threaded sleeve; 23, second dust screen; 24, ventilation hole; 25, double-shaft permanent magnet synchronous motor; 26, heat dissipation fin; 27, transmission shaft; 28, fan blade. DETAILED DESCRIPTION

[0025] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0026] The embodiments of the present application will be described in detail below with reference to the drawings.

[0027] As Figures 1-4The utility model discloses an energy -conserving type air blower, including fan subassembly 10, one side of fan subassembly 10 is provided with heat dissipation subassembly 20, and heat dissipation subassembly 20 includes heat dissipation cover shell 21, second threaded sleeve 22, second dust screen 23, air vent 24, double -shaft permanent -magnet synchronous motor 25, heat dissipation fin 26, transmission shaft 27 and fan blade 28,

[0028] The side of the heat dissipation cover shell 21 is threadedly connected with the second threaded sleeve 22, one side of the second threaded sleeve 22 is fixedly connected with the second dust screen 23, the outer side wall of the heat dissipation cover shell 21 is uniformly provided with the air vent 24, the heat dissipation cover shell 21 is internally provided with the double-shaft permanent-magnet synchronous motor 25, the outer side wall of the double-shaft permanent-magnet synchronous motor 25 is uniformly fixedly connected with the heat dissipation fin 26, the output shaft of the double-shaft permanent-magnet synchronous motor 25 is fixedly connected with the transmission shaft 27 through a shaft coupling, the outer side wall of the transmission shaft 27 is uniformly fixedly connected with the fan blade 28, the output shaft of one end of the double-shaft permanent-magnet synchronous motor 25 is provided with the fan blade 28 for heat dissipation, the double-shaft permanent-magnet synchronous motor 25 drives the fan blade 28 to rotate during heat dissipation, external air is filtered through the second dust screen 23 and then enters the heat dissipation cover shell 21 and is discharged from the air vent 24, without the need to increase additional driving equipment, energy consumption is reduced, the rotating speed of the fan blade 28 is synchronously adjusted with the rotating speed of the turbine 15, the heat dissipation air speed can be automatically adjusted, the heat dissipation area of the motor housing is increased through the heat dissipation fin 26, and the heat dissipation efficiency is improved.

[0029] In this embodiment, specifically: the fan subassembly 10 includes a fan housing 11 and an air inlet 12;

[0030] The fan housing 11 is fixedly connected to one side of the heat dissipation cover shell 21, and the air inlet 12 is arranged on one side of the fan housing 11.

[0031] In this embodiment, specifically: the outer side wall of the air inlet 12 is threadedly connected with the first threaded sleeve 13, and the first threaded sleeve 13 can be quickly replaced by being disassembled and assembled.

[0032] In this embodiment, specifically: the first threaded sleeve 13 is fixedly connected to one side of the first dust screen 14, and the first dust screen 14 is used for filtering dust in the air delivered by the air blower.

[0033] In this embodiment, specifically: the turbine 15 is rotatably connected to the inside of the fan housing 11, the turbine 15 is fixedly connected to the output shaft of the double-shaft permanent-magnet synchronous motor 25, the turbine 15 is driven to rotate by the double-shaft permanent-magnet synchronous motor 25, and airflow delivery is completed.

[0034] In this embodiment, specifically: the outer side wall of the fan housing 11 is communicated with the air outlet 16, and the air outlet 16 is used for delivering air to the air outlet pipe 17.

[0035] In this embodiment, specifically: one end of the air outlet 16 is communicated with an air outlet pipe 17, the air outlet pipe 17 is installed with a silencer 18, the air inside the fan shell 11 is sent out through the air outlet pipe 17, and the silencer 18 is used for reducing the noise at the air outlet pipe 17.

[0036] In this embodiment, specifically: the fan shell 11 and the bottom of the heat dissipation cover shell 21 are fixedly connected with a base 19, and the base 19 is used for stably supporting the air blower.

[0037] The utility model discloses a working time: through double-shaft permanent magnet synchronous motor 25 drive turbine 15 rotation, external air enters through air inlet 12, after filtering dust through first dust screen 14, through air outlet 16 sends out, completes airflow delivery, and installs fan blade 28 on the other end output shaft of double-shaft permanent magnet synchronous motor 25 and carries out heat dissipation, when heat dissipation, double-shaft permanent magnet synchronous motor 25 drive fan blade 28 rotation, and external air enters heat dissipation cover shell 21 after filtering through second dust screen 23, and is discharged from vent hole 24, need not to increase additional drive equipment, reduce energy consumption, and the rotational speed of fan blade 28 is synchronous with the rotational speed of turbine 15, can automatically adjust the heat dissipation air speed, through heat dissipation fin 26 increase the heat dissipation area of motor shell, improve heat dissipation efficiency, avoid motor overheating, prolong the service life of motor.

[0038] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various changes or replacements in the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope of the claims.

Claims

1. An energy efficient blower comprising a blower assembly (10) characterized by: One side of the fan assembly (10) is provided with a heat dissipation assembly (20), the heat dissipation assembly (20) includes heat dissipation cover shell (21), second threaded sleeve (22), second dust screen (23), ventilation hole (24), double-shaft permanent magnet synchronous motor (25), heat dissipation fin (26), transmission shaft (27) and fan blade (28); One side of the heat dissipation cover shell (21) is threadedly connected with the second threaded sleeve (22), one side of the second threaded sleeve (22) is fixedly connected with the second dust screen (23), the outer side wall of the heat dissipation cover shell (21) is uniformly provided with the ventilation hole (24), the heat dissipation cover shell (21) is internally provided with the double-shaft permanent magnet synchronous motor (25), the outer side wall of the double-shaft permanent magnet synchronous motor (25) is uniformly fixedly connected with the heat dissipation fin (26), the output shaft of the double-shaft permanent magnet synchronous motor (25) is fixedly connected with the transmission shaft (27) through the shaft coupling, the outer side wall of the transmission shaft (27) is uniformly fixedly connected with the fan blade (28).

2. The energy efficient blower as claimed in claim 1, wherein: The fan assembly (10) comprises a fan housing (11) and an air inlet (12); One side of the heat dissipation cover shell (21) is fixedly connected with the fan housing (11), one side of the fan housing (11) is provided with the air inlet (12).

3. An energy efficient blower as claimed in claim 2, wherein: The outer side wall of the air inlet (12) is threadedly connected with the first threaded sleeve (13).

4. An energy efficient blower as claimed in claim 3, wherein: One side of the first threaded sleeve (13) is fixedly connected with the first dust screen (14).

5. The energy efficient blower as claimed in claim 2, wherein: The inner side of the fan housing (11) is rotatably connected with the turbine (15), and the turbine (15) is fixedly connected with the output shaft of the double-shaft permanent magnet synchronous motor (25).

6. An energy efficient blower as claimed in claim 5, wherein: The outer side wall of the fan housing (11) is communicated with the air outlet (16).

7. An energy efficient blower as claimed in claim 6, wherein: One end of the air outlet (16) is communicated with the air outlet pipe (17), and the air outlet pipe (17) is provided with the silencer (18).

8. The energy efficient blower as claimed in claim 6, wherein: The bottom of the fan housing (11) and the heat dissipation cover shell (21) is fixedly connected with the base (19). The bottom of the fan housing (11) and the heat dissipation cover shell (21) is fixedly connected with the base (19).