Fan of air purifier

Abstract

The utility model relates to a fan of an air purifier. A motor is arranged in a volute; a control panel is arranged in the volute; the control panels are electrically connected with one another; a speed regulation module is arranged on the control panel; the speed regulation module is electrically connected with the motor; a speed regulation module is arranged on the control panel, and the temperature detection module outputs to the speed regulation module; the temperature in the volute is detected according to the temperature detection module and is output to the speed regulation module, and the rotating speed of the motor is controlled; the motor is installed in the volute, the temperature in the volute is controlled, heat dissipation is conducted on the motor, and the problems that in an existing air purifier draught fan, the motor and a control panel are installed outside the air purifier draught fan, so that the size of the whole draught fan is large, and the miniaturization development direction of the air purifier is not facilitated are solved; and the technical problem of heat dissipation of the motor when the motor is in the fan of the air purifier is solved.

Description

Technical Field

[0001] An embodiment of the present utility model relates to a motor of a purification device, and particularly to a fan of an air purifier. Background Art

[0002] In the existing fans of air purifiers, both the motor and the control board are installed outside the fan of the air purifier, which makes the volume of the entire fan large, not conducive to the development direction of miniaturization of air purifiers. At the same time, when the motor is inside the fan of the air purifier, the problem of motor heat dissipation also needs to be solved. Summary of the Utility Model

[0003] An object of an embodiment of the present utility model is to provide an air purifier fan that can not only reduce the volume of the air purifier fan but also solve the problem of motor heat dissipation when the motor is inside the air purifier fan.

[0004] To achieve the above object, an embodiment of the present utility model designs an air purifier fan, including:

[0005] Volute;

[0006] Motor; the motor is arranged inside the volute;

[0007] Control board, the control board is arranged inside the volute; the control board is electrically connected to the motor;

[0008] Speed regulation module, the speed regulation module is arranged on the control board; the speed regulation module is electrically connected to the motor;

[0009] Temperature detection module, the speed regulation module is also arranged on the control board, and the temperature detection module outputs to the speed regulation module; according to the temperature detected by the temperature detection module inside the volute, it outputs to the speed regulation module to control the speed of the motor.

[0010] Further, in the air purifier fan of the present utility model, a wind wheel is arranged inside the volute; the wind wheel is fixed on the output shaft of the motor.

[0011] Further, in the air purifier fan of the present utility model, the volute further includes:

[0012] Right volute, the right volute is arranged on one side of the volute; one end of the motor is fixed inside the right volute with bolts;

[0013] Left volute, the left volute is arranged on the other side of the volute; the wind wheel is arranged inside the left volute.

[0014] Further, in the air purifier fan of the present utility model, a partition cavity is provided above the volute; the control board is fixed in the partition cavity; the partition cavity is divided into two compartments by the right volute and the left volute; heat dissipation holes are opened in the compartments.

[0015] Further, in the air purifier fan of the present utility model, after a gasket is provided between the right volute and the motor, bolts are inserted for fixation.

[0016] Further, in the air purifier fan of the present utility model, air inlets are respectively opened on one side of the right volute and the left volute.

[0017] Further, in the air purifier fan of the present utility model, a plurality of buckles are fixed at the outlet of the volute.

[0018] Further, in the air purifier fan of the present utility model, the motor is a DC speed control motor.

[0019] Further, in the air purifier fan of the present utility model, a rectification module is provided on the control board; the output of the rectification module is connected to the speed control module; the input of the rectification module is connected to an AC power supply.

[0020] Further, in the air purifier fan of the present utility model, the speed control module is a PWM speed control module.

[0021] Compared with the prior art, the embodiment of the present utility model has a motor arranged in the volute; a control board is arranged inside the volute; the control boards are electrically connected; a speed control module is arranged on the control board; the speed control module is electrically connected to the motor; a speed control module is simultaneously arranged on the control board, and the temperature detection module outputs to the speed control module; according to the temperature detected by the temperature detection module in the volute, it outputs to the speed control module to control the speed of the motor; by installing the motor inside the volute and controlling the temperature inside the volute to dissipate heat from the motor, an air purifier fan is realized that can not only reduce the volume of the air purifier fan but also solve the problem of motor heat dissipation when the air purifier fan is inside; it solves the problem that in the existing air purifier fan, the motor and the control board are both installed outside the air purifier fan, which makes the volume of the entire fan large and is not conducive to the development direction of miniaturization of the air purifier. At the same time, it also solves the technical problem of motor heat dissipation when the motor is inside the air purifier fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0023] Figure 2 is Figure 1 an exploded schematic diagram of

[0024] Figure 3 Schematic diagram of the control connection of the control board of the present utility model. Specific embodiments

[0025] To make the objectives, technical solutions and advantages of the present utility model clearer, the following will elaborate on the various embodiments of the present utility model in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that in the various embodiments of the present utility model, many technical details are presented to help readers better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed in the various claims of the present application can still be achieved.

[0026] The embodiments of the present utility model relate to a blower of an air purifier, as Figure 1 , Figure 2 , Figure 3 shown, and include:

[0027] In this embodiment, the volute 20 serves as the housing of the blower of the air purifier in this factual example;

[0028] A motor 5 is arranged inside the volute 20; the motor 5 mainly plays a driving role and provides driving force.

[0029] A control board 10 is arranged inside the volute 20; the control board 10 is electrically connected to the motor 5; the control board 10 controls the rotation speed of the motor 5;

[0030] A speed regulation module 11 is arranged on the control board 30; the speed regulation module 11 is electrically connected to the motor 5; the speed regulation module 11 is used to adjust the rotation speed of the motor 5;

[0031] A temperature detection module 12 is also arranged on the control board 30, and the temperature detection module 12 outputs to the speed regulation module 11; according to the temperature detected by the temperature detection module 12 in the volute 20, it is output to the speed regulation module 11 to control the rotation speed of the motor 5. The temperature detection module 12 detects the temperature in the volute 20 through the thermocouple 18; then it is compared with the set temperature and output to the speed regulation module 11 to control the rotation speed of the motor 5. By installing the motor 5 inside the volute 20 and controlling the temperature inside the volute 20 to dissipate heat from the motor 5, an air purifier blower is realized that can not only reduce the volume of the air purifier blower but also solve the problem of motor heat dissipation when the motor is inside the air purifier blower; it solves the problem that in the existing air purifier blower, both the motor 5 and the control board 10 are installed outside the air purifier blower, which makes the volume of the entire blower large and is not conducive to the development direction of miniaturization of the air purifier. At the same time, it also solves the technical problem of motor 5 heat dissipation when the motor is inside the air purifier blower.

[0032] To achieve the above technical effects, the air purifier fan in this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , is provided with a wind wheel 6 inside the volute 20; the wind wheel 6 is fixed on the output shaft of the motor 5. The motor 5 rotates the wind wheel 6 to convey the air volume.

[0033] To achieve the above technical effects, the air purifier fan in this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , the volute 20 further includes:

[0034] A right volute 2 is provided on one side of the volute 20; one end of the motor 5 is fixed inside the right volute 2 with a stud bolt;

[0035] A left volute 9 is provided on the other side of the volute 20; the wind wheel 6 is arranged inside the left volute 9. The right volute 2 and the left volute 9 constitute the overall structure of the volute 20, ensuring that the motor 5 is fixed inside the volute 20, thereby reducing the volume of the air purifier fan in this embodiment.

[0036] To achieve the above technical effects, the air purifier fan in this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , a partition chamber 13 is provided above the volute 20; the control board 10 is fixed inside the partition chamber 13; the partition chamber 13 is divided into two partition rooms 14 by the right volute 2 and the left volute 9; heat dissipation holes 15 are opened on the partition rooms 14. Such a structure can ensure the heat dissipation effect of the control board 10.

[0037] To achieve the above technical effects, the air purifier fan in this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , a washer 4 is arranged between the right volute 2 and the motor 5, and then a stud bolt is inserted for fixation.

[0038] To achieve the above technical effects, the air purifier fan in this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , air inlets 16 are respectively opened on one side of the right volute 2 and the left volute 9. The air inlets 16 are used for air intake during the rotation of the air purifier fan in this embodiment.

[0039] To achieve the above technical effects, the air purifier fan in this embodiment, as shown in Figure 1 , Figure 2 , Figure 3As shown, several buckles 7 are fixed at the outlet of the volute 20. The several buckles 7 are used to fix the air purifier fan in the whole embodiment.

[0040] To achieve the above technical effects, the air purifier fan in this embodiment, as Figure 1 , Figure 2 , Figure 3 shown, the motor 5 is a DC speed control motor. This is mainly to facilitate speed regulation.

[0041] To achieve the above technical effects, the air purifier fan in this embodiment, as Figure 1 , Figure 2 , Figure 3 shown, a rectification module 17 is arranged on the control board 10; the output of the rectification module 17 is connected to the speed regulation module 11; the input of the rectification module 17 is connected to the AC power supply. The rectification module 17 performs PWM speed regulation through the speed regulation module 11, mainly to be able to achieve rapid speed change.

[0042] To achieve the above technical effects, the air purifier fan in this embodiment, as Figure 1 , Figure 2 , Figure 3 shown, the speed regulation module 11 is a PWM speed regulation module.

[0043] Those of ordinary skill in the art can understand that the above embodiments are specific embodiments for implementing the present invention, and in actual applications, various changes can be made in form and details without departing from the spirit and scope of the present invention.

Claims

1. An air purifier fan, characterized in that: include: snail shell; Motor; the motor is arranged in the volute; A control board is arranged inside the volute; the control board is electrically connected to the motor; A speed regulating module is arranged on the control board; the speed regulating module is electrically connected to the motor; A temperature detection module is also provided on the control panel, and the temperature detection module outputs to the speed regulation module; the temperature inside the volute is checked according to the temperature detection module, and the temperature is output to the speed regulation module to control the speed of the motor.

2. The air purifier fan according to claim 1, characterized in that: A wind wheel is arranged in the volute; the wind wheel is fixed on the output shaft of the motor.

3. The air purifier fan according to claim 2, characterized in that: The volute further comprises: A right volute is provided on one side of the volute; one end of the motor is fixed inside the right volute with a stud bolt; A left volute is arranged on the other side of the volute; and the wind wheel is arranged inside the left volute.

4. The air purifier fan according to claim 3, characterized in that: A compartment is arranged above the volute; a control panel is fixed in the compartment; the compartment is divided into two compartments by the right volute and the left volute; and heat dissipation holes are provided on the compartments.

5. The air purifier fan according to claim 4, characterized in that: After a gasket is arranged between the right volute and the motor, stud bolts are inserted to fix them.

6. The air purifier fan according to claim 4, characterized in that: An air inlet is respectively opened on one side of the right volute and the left volute.

7. The air purifier fan according to claim 4, characterized in that: A plurality of buckles are fixed at the outlet of the volute.

8. The air purifier fan according to claim 1, characterized in that: The motor is a DC speed regulating motor.

9. The air purifier fan according to claim 1, characterized in that: A rectifier module is arranged on the control board; the output of the rectifier module is connected to the speed regulating module; the input of the rectifier module is connected to an AC power source.

10. The air purifier fan according to claim 1, characterized in that: The speed regulation module is a PWM speed regulation module.

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