High-voltage brushless integrated fan structure

Abstract

The utility model relates to the technical field of motor manufacturing, and particularly discloses a high-voltage brushless integrated fan structure which comprises a metal shell, and a heat dissipation part is integrally arranged in the metal shell; an impeller cover of the vacuum dust collector motor is assembled at the bottom of the metal shell; the control panel is assembled in the metal shell above the heat dissipation part; a fan cover; the fan cover is assembled at the top of the metal shell, an air inlet channel is axially formed in the fan cover, the control panel is installed in the metal shell integrally provided with the heat dissipation part, the problem of external hanging of the control panel is solved, air can enter the air inlet channel to be matched with the heat dissipation part to achieve heat dissipation of the control panel when the motor of the vacuum dust collector runs, and the service life of the control panel is prolonged. The service life of the control panel is prolonged, and the control panel has high use value.

Description

Technical Field

[0001] This application relates to the technical field of motor manufacturing, and particularly to a high-voltage brushless integrated fan structure. Background Art

[0002] The brushless fan used in a vacuum cleaner is mainly composed of a motor and a control board. In the prior art, the control board of the brushless fan is arranged outside the motor. This method cannot cool the control board by air, and it will be damaged due to high temperature during long-term operation, with a short service life. To solve this problem, a high-voltage brushless integrated fan structure is provided. Summary of the Utility Model

[0003] To overcome the deficiencies of the prior art, this application discloses a high-voltage brushless integrated fan structure.

[0004] To achieve the above object, the technical solution adopted in this application is: A high-voltage brushless integrated fan structure, comprising:

[0005] A metal shell, with a heat dissipation part integrally arranged inside the metal shell;

[0006] A vacuum cleaner motor, and the impeller cover of the vacuum cleaner motor is assembled at the bottom of the metal shell;

[0007] A control board, which is assembled inside the metal shell above the heat dissipation part;

[0008] A wind hood; the wind hood is assembled on the top of the metal shell, and an air inlet channel is axially arranged inside the wind hood.

[0009] Further preferably, the metal shell is cast from aluminum.

[0010] Further preferably, two through grooves for leading wires are opened on the outer ring of the metal shell, and rubber sealing blocks are embedded in the two through grooves. Several through holes for wires to pass through are respectively opened on the two rubber sealing blocks.

[0011] Further preferably, the heat dissipation part includes a heat dissipation plate integrally arranged on the inner ring of the metal shell and heat dissipation fins integrally arranged below the heat dissipation plate. Several slot holes for ventilation are opened on the heat dissipation plate.

[0012] Further preferably, several first screw hole columns are uniformly formed on the inner ring of the metal shell. Several U-shaped grooves are uniformly opened at the edge of the control board. Several screws are locked on the control board and pass through the U-shaped grooves to the first screw hole columns to be fixed to the metal shell.

[0013] Further preferably, the impeller cover of the vacuum cleaner motor is press-fitted on the bottom of the metal shell.

[0014] Further preferably, a plurality of inner grooves are uniformly formed on the outer ring of the metal housing, and a plurality of second screw hole columns are also uniformly formed on the inner ring of the wind cover, and the plurality of second screw hole columns and the plurality of first screw hole columns are arranged in a staggered manner. Screws are locked into the inner grooves to the second screw hole columns to fix the wind cover and the metal housing.

[0015] Further preferably, the heat dissipation plate is formed on the plurality of first screw hole columns and the plurality of second screw hole columns.

[0016] Further preferably, a sealing ring is provided between the wind cover and the metal housing.

[0017] The present application achieves the following beneficial effects:

[0018] In the present application, the control board is installed in a metal housing integrally provided with a heat dissipation part, solving the problem of external hanging of the control board. And when the vacuum cleaner motor operates, air can enter the air inlet channel and cooperate with the heat dissipation part to dissipate heat from the control board, increasing the service life of the control board and having high use value.

[0019] As for other features and advantages of the present application, they will be described in the subsequent specification, and will be partially obvious from the specification, or understood by implementing the present application. The objectives and other advantages of the present application can be achieved and obtained through the structures pointed out in the specification and the drawings. Description of the Drawings

[0020] The drawings here are incorporated into the specification and constitute a part of this specification, showing embodiments consistent with the disclosure of the present application, and are used together with the specification to explain the principles of the present disclosure.

[0021] Figure 1 It is a schematic diagram of the overall structure disclosed in the present application;

[0022] Figure 2 It is a schematic diagram of the sectional structure disclosed in the present application;

[0023] Figure 3 It is an exploded schematic diagram of the structure disclosed in the present application;

[0024] In the figure: 10, metal housing; 11, heat dissipation part; 111, heat dissipation plate; 112, slot hole; 113, heat dissipation fin; 12, through slot; 13, inner groove; 14, first screw hole column; 15, second screw hole column; 20, vacuum cleaner motor; 30, control board; 31, U-shaped groove; 40, wind cover; 41, air inlet channel; 50, rubber sealing block; 51, through hole; 60, screw; 70, sealing ring. Detailed Embodiments

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments.

[0026] In the description of the present application, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery", etc. indicating orientations or positional relationships are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0027] Embodiment

[0028] In order to solve the problems in the prior art that the control boards 30 used in vacuum cleaners are all externally hung outside the motor and cannot be cooled by air for the control boards 30, and will be damaged due to high temperature during long-term operation, referring to Figures 1 - 3 as shown, the present application provides a high-voltage brushless integrated fan structure, including:

[0029] A metal shell 10, with a heat dissipation part 11 integrally arranged inside the metal shell 10;

[0030] A vacuum cleaner motor 20, and the impeller cover of the vacuum cleaner motor 20 is assembled at the bottom of the metal shell 10;

[0031] A control board 30, and the control board 30 is assembled inside the metal shell 10 above the heat dissipation part 11;

[0032] An air hood 40; the air hood 40 is assembled at the top of the metal shell 10, and an air inlet channel 41 is axially provided inside the air hood 40.

[0033] In the above way, the problem of the externally hung control board 30 is solved, and when the vacuum cleaner motor 20 operates, air can enter the air inlet channel 41 and cooperate with the heat dissipation part 11 to dissipate heat from the control board 30, increasing the service life of the control board 30 and having high use value.

[0034] As a preferred embodiment of the present application, the metal shell 10 of the present application is cast from aluminum. In actual use, if other metal materials can achieve the effect of the metal shell 10 cast from aluminum, those skilled in the art can also make corresponding selections.

[0035] Referring to Figure 1 and Figure 3As shown in the figure, in order to enable the wire to enter the metal housing 10 and be connected to the control board 30 while ensuring that the metal housing 10 does not leak air, two through slots 12 for wire leading are provided on the outer circle of the metal housing 10, and rubber sealing blocks 50 are embedded in the two through slots 12. A plurality of through holes 51 for the wire to pass through are respectively provided on the two rubber sealing blocks 50. During specific use, the aperture of the through hole 51 can be selected according to the outer diameter of the wire as required.

[0036] Reference Figure 2 As shown in the figure, in one specific embodiment, the heat dissipation part 11 of the present application includes a heat dissipation plate 111 integrally provided on the inner circle of the metal housing 10 and heat dissipation fins 113 integrally provided below the heat dissipation plate 111. A plurality of ventilation slots 112 are provided on the heat dissipation plate 111. When the air enters through the air inlet passage 41 of the air hood 40, the heat generated on the control board 30 can be taken away, thereby realizing air-cooled heat dissipation for the control board 30. It will not be damaged even during long-term operation, and the service life is greatly increased, having a high use value.

[0037] Reference Figure 3 As shown in the figure, in order to facilitate the installation of the control board 30, a plurality of first screw hole columns 14 are uniformly formed on the inner circle of the metal housing 10. A plurality of U-shaped grooves 31 are uniformly provided at the edge of the control board 30. A plurality of screws 60 are locked into the control board 30 and pass through the U-shaped grooves 31 to the first screw hole columns 14 to be fixed to the metal housing 10. This method is easy to disassemble and assemble, convenient for users to perform maintenance, and has strong practicability.

[0038] As a preferred assembly method of the present application, the impeller cover of the vacuum cleaner motor 20 is interference-fitted at the bottom of the metal housing 10. This method has a lower cost and is also relatively convenient to install.

[0039] In order to facilitate the installation of the air hood 40, a plurality of inner grooves 13 are uniformly formed on the outer circle of the metal housing 10. A plurality of second screw hole columns 15 are also uniformly formed on the inner circle of the air hood 40, and the plurality of second screw hole columns 15 are arranged in a staggered manner with the plurality of first screw hole columns 14. Screws 60 are locked into the inner grooves 13 to the second screw hole columns 15 to fix the air hood 40 to the metal housing 10.

[0040] In one specific embodiment, the heat dissipation plate 111 of the present application is formed on the plurality of first screw hole columns 14 and the plurality of second screw hole columns 15.

[0041] Reference Figure 3 As shown in the figure, in addition to the above structure, a sealing ring 70 is provided between the air hood 40 and the metal housing 10 of the present application. In this way, it can ensure a strong sealing performance between the air hood 40 and the metal housing 10, and avoid air leakage when the air inlet passage is ventilated.

[0042] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0043] The above embodiments are only for illustrating the technical concept and features of this application, and the purpose is to enable those skilled in the art of this technology to understand the content of this application and implement it accordingly, and it cannot be used to limit the protection scope of this application. Any equivalent transformation or modification made according to the spirit and essence of this application should be covered within the protection scope of this application.

Claims

1. A high-voltage brushless integrated fan structure, characterized in that, Comprising: A metal housing (10), with a heat dissipation part (11) integrally provided inside the metal housing (10); A vacuum cleaner motor (20), with the impeller cover of the vacuum cleaner motor (20) assembled at the bottom of the metal housing (10); A control board (30), with the control board (30) assembled inside the metal housing (10) above the heat dissipation part (11); A wind hood (40); the wind hood (40) is assembled at the top of the metal housing (10), and an air inlet channel (41) is axially formed inside the wind hood (40).

2. The structure of a high-voltage brushless integrated fan according to claim 1, wherein, The metal housing (10) is cast from aluminum.

3. The structure of a high-voltage brushless integrated fan according to claim 2, characterized in that, Two through grooves (12) for leading wires are formed on the outer ring of the metal housing (10), and rubber sealing blocks (50) are embedded inside the two through grooves (12), and several through holes (51) for wires to pass through are respectively formed on the two rubber sealing blocks (50).

4. A high-voltage brushless integrated fan structure according to claim 1, characterized in that, The heat dissipation part (11) includes a heat dissipation plate (111) integrally provided on the inner ring of the metal housing (10) and heat dissipation fins (113) integrally provided below the heat dissipation plate (111), and several slot holes (112) for ventilation are formed on the heat dissipation plate (111).

5. The structure of a high-voltage brushless integrated fan according to claim 4, characterized in that, Several first screw hole columns (14) are evenly formed on the inner ring of the metal housing (10), several U-shaped grooves (31) are evenly formed at the edge of the control board (30), and several screws (60) are locked on the control board (30) and correspondingly pass through the U-shaped grooves (31) into the first screw hole columns (14) to be fixed to the metal housing (10).

6. The structure of a high-voltage brushless integrated fan according to claim 1, characterized in that, The impeller cover of the vacuum cleaner motor (20) is press-fitted at the bottom of the metal housing (10).

7. The structure of a high-voltage brushless integrated fan according to claim 5, characterized in that, Several inner grooves (13) are evenly formed on the outer ring of the metal housing (10), several second screw hole columns (15) are also evenly formed on the inner ring of the wind hood (40), and the several second screw hole columns (15) are arranged in a staggered manner with the several first screw hole columns (14), and screws (60) are locked into the inner grooves (13) to the second screw hole columns (15) to fix the wind hood (40) to the metal housing (10).

8. A high-voltage brushless integrated fan structure according to claim 7, characterized in that, The heat dissipation plate (111) is formed on the several first screw hole columns (14) and the several second screw hole columns (15).

9. The structure of a high-voltage brushless integrated fan according to claim 1, wherein A sealing ring (70) is provided between the wind hood (40) and the metal housing (10).

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