Dry-wet type BLDC cleaning motor

Abstract

The utility model relates to the technical field of motors, in particular to a dry-wet type BLDC (brushless direct current) cleaning motor, which comprises a motor waterproof aluminum radiator upper cover and a motor waterproof aluminum radiator lower cover. According to the double-layer noise reduction turbine cover, due to the fact that the double-layer structure noise reduction turbine cover is designed to be made of double-layer metal and nylon, sharp high-frequency sound can be effectively reduced, and due to the upper end cover and the lower end cover of the motor, noise can be effectively reduced; the motor waterproof aluminum radiator upper cover and the motor waterproof aluminum radiator lower cover are provided with area-increasing radiating fins, the high-power radiating problem is effectively solved, an annular sealing rubber pad is additionally arranged at the joint of the motor waterproof aluminum radiator upper cover and the motor waterproof aluminum radiator lower cover, the water inflow problem is effectively solved, and an interlocking waterproof and dustproof pad is adopted at the armature bearing sealing position. The interlocking waterproof and dustproof pad is of an interlocking multi-tooth structure and can prevent dust and water.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a dry-wet type BLDC cleaning motor. Background Art

[0002] BLDC motor is a brushless DC motor, also known as permanent magnet synchronous motor. Unlike traditional DC motors, BLDC motors do not have brushes and collector rings on their rotors. They use electronic controllers to achieve commutation, thus eliminating friction and spark problems. Current wet and dry brushless DC (BLDC) clean motors show some performance deficiencies during use, especially when running at high speeds, the motors generate a lot of heat, and poor heat dissipation may affect their normal operation. In addition, the sealing performance of the motor bearings is also insufficient, which may affect the long-term stability and reliability of the motor.

[0003] Therefore, a dry-wet BLDC cleaning motor is needed to improve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a dry-wet BLDC cleaning motor to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A dry-wet BLDC cleaning motor comprises a motor waterproof aluminum radiator upper cover and a motor waterproof aluminum radiator lower cover, wherein a first waterproof sealing groove is provided on the outer wall of the motor waterproof aluminum radiator upper cover, a motor drive control waterproof sealing cover is provided on the inner wall of the first waterproof sealing groove, a motor driver is provided on the inner wall of the motor waterproof aluminum radiator upper cover, an armature is provided on the inner wall of the motor waterproof aluminum radiator upper cover, a motor waterproof aluminum radiator lower cover is installed at the port of the motor waterproof aluminum radiator upper cover, and the motor waterproof aluminum radiator lower cover is installed at the port of the motor waterproof aluminum radiator upper cover. A second waterproof sealing groove is provided on the outer wall of the radiator lower cover, a motor stator pole is installed on the inner wall of the motor waterproof aluminum radiator lower cover, a rotor neodymium iron boron pole is provided in the inner cavity of the motor waterproof aluminum radiator lower cover and at one end of the armature, a motor cyclone booster fixed impeller is rotatably connected to the outer wall of the motor waterproof aluminum radiator lower cover, an interlocking waterproof and dustproof pad is installed at one end of the armature, a high-speed turbine is provided on the outer wall of the motor waterproof aluminum radiator lower cover, and a double-layer structure silencer turbine cover is provided on the outer wall of the high-speed turbine.

[0007] As a preferred solution of the utility model, heat sinks are evenly arranged on the outer walls of the motor waterproof aluminum radiator upper cover and the motor waterproof aluminum radiator lower cover, and an annular sealing rubber gasket is arranged at the interface of the motor waterproof aluminum radiator upper cover and the motor waterproof aluminum radiator lower cover.

[0008] As a preferred solution of the utility model, an interlocking waterproof and dustproof pad is provided at one end of the armature, and the interlocking waterproof and dustproof pad is an interlocking multi-tooth structure.

[0009] As a preferred solution of the utility model, the double-layer structured silencer turbine cover is a double layer of metal and nylon.

[0010] As a preferred solution of the utility model, the double-layer structured silencer turbine cover is located on one side of the lower cover of the motor waterproof aluminum radiator.

[0011] As a preferred solution of the utility model, the motor cyclone booster fixed impeller is located on one side of the double-layer structure silencer turbine cover, and the second waterproof sealing groove is located on one side of the motor waterproof aluminum radiator cover.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, the interlocking waterproof and dustproof pad in the dry and wet BLDC cleaning motor and the double-layer structure silencer turbine cover design with double-layer metal and nylon can effectively reduce the sharp high-frequency sound. The upper and lower end covers of the motor, the upper cover of the motor waterproof aluminum radiator and the lower cover of the motor waterproof aluminum radiator are equipped with heat sinks with increased area, which effectively solve the problem of high-power heat dissipation. The interface of the upper cover of the motor waterproof aluminum radiator and the lower cover of the motor waterproof aluminum radiator is equipped with an annular sealing rubber pad to effectively solve the problem of water ingress. The armature bearing seal adopts an interlocking waterproof and dustproof pad, which is an interlocking multi-tooth structure, which can prevent dust and water, thereby helping to solve the current dry and wet brushless DC (BLDC) cleaning motor. Showing some performance deficiencies during use, especially when running at high speed, the motor will generate a lot of heat, and the poor heat dissipation effect may affect its normal operation. In addition, the sealing performance of the motor bearing is also insufficient, which may affect the long-term stability and reliability of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model;

[0016] Figure 3 It is a side structural schematic diagram of the utility model.

[0017] In the figure: 1. Motor waterproof aluminum radiator upper cover; 2. Motor waterproof aluminum radiator lower cover; 3. First waterproof sealing groove; 4. Motor driver; 5. Motor drive control waterproof sealing cover; 6. Armature; 7. Second waterproof sealing groove; 8. Motor stator pole; 9. Rotor NdFeB pole; 10. Motor cyclone booster fixed impeller; 11. Interlocking waterproof and dustproof pad; 12. High-speed turbine; 13. Double-layer structure silencer turbine cover. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0020] A dry-wet BLDC cleaning motor comprises a motor waterproof aluminum radiator upper cover 1 and a motor waterproof aluminum radiator lower cover 2, a first waterproof sealing groove 3 is provided on the outer wall of the motor waterproof aluminum radiator upper cover 1, a motor drive control waterproof sealing cover 4 is provided on the inner wall of the first waterproof sealing groove 3, a motor driver 5 is provided on the inner wall of the motor waterproof aluminum radiator upper cover 1, an armature 6 is provided on the inner wall of the motor waterproof aluminum radiator upper cover 1, a motor waterproof aluminum radiator lower cover 2 is installed at the port of the motor waterproof aluminum radiator upper cover 1, and a motor waterproof aluminum radiator lower cover 4 is provided on the inner wall of the motor waterproof aluminum radiator upper cover 1. A second waterproof sealing groove 7 is provided on the outer wall of the cover 2, a motor stator pole 8 is installed on the inner wall of the lower cover 2 of the motor waterproof aluminum radiator, a rotor neodymium iron boron pole 9 is provided in the inner cavity of the lower cover 2 of the motor waterproof aluminum radiator and at one end of the armature 6, a motor cyclone booster fixed impeller 10 is rotatably connected to the outer wall of the lower cover 2 of the motor waterproof aluminum radiator, an interlocking waterproof and dustproof pad 11 is installed at one end of the armature 6, a high-speed turbine 12 is provided on the outer wall of the lower cover 2 of the motor waterproof aluminum radiator, and a double-layer structure silencer turbine cover 13 is provided on the outer wall of the high-speed turbine 12.

[0021] In this embodiment, please refer to Figure 1 , Figure 2 and Figure 3, heat sinks are evenly arranged on the outer walls of the motor waterproof aluminum radiator upper cover 1 and the motor waterproof aluminum radiator lower cover 2, an annular sealing rubber gasket is arranged at the interface of the motor waterproof aluminum radiator upper cover 1 and the motor waterproof aluminum radiator lower cover 2, an interlocking waterproof and dustproof pad 11 is arranged at one end of the armature 6, and the interlocking waterproof and dustproof pad 11 is an interlocking multi-tooth structure, the double-layer structure silencer turbine cover 13 is a double-layer metal plus nylon, the double-layer structure silencer turbine cover 13 is located on one side of the motor waterproof aluminum radiator lower cover 2, the motor cyclone booster fixed impeller 10 is located on one side of the double-layer structure silencer turbine cover 13, the second waterproof sealing groove 7 is located on one side of the motor waterproof aluminum radiator upper cover 1, high-speed brushless BLDC 130,000 rpm cleaning motor, the motor has large power among similar products, conventional products are 300W, this model can reach 500W, the motor outer diameter is 63, the air volume can be greater than conventional products, and it has greater suction power.

[0022] The working process of the utility model: when the dry-wet BLDC cleaning motor designed by the present scheme is working, the double-layer structure silencer turbine cover 13 is designed with double-layer metal plus nylon, which can effectively reduce the sharp high-frequency sound. The upper and lower end covers of the motor, the upper cover 1 of the motor waterproof aluminum radiator and the lower cover 2 of the motor waterproof aluminum radiator are equipped with heat sinks with increased area, which effectively solve the problem of high-power heat dissipation. The interface of the upper cover 1 of the motor waterproof aluminum radiator and the lower cover 2 of the motor waterproof aluminum radiator is equipped with an annular sealing rubber pad to effectively solve the problem of water ingress. The interlocking waterproof dustproof pad 11 is used at the seal of the armature 6 bearing. The interlocking waterproof dustproof pad 11 is an interlocking multi-tooth structure, which can prevent dust and water, thereby helping to solve the current dry-wet brushless DC (BLDC) cleaning motor. Showing some performance deficiencies during use, especially when running at high speed, the motor will generate a lot of heat, and the poor heat dissipation effect may affect its normal operation. In addition, the sealing performance of the motor bearing is also insufficient, which may affect the long-term stability and reliability of the motor.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dry-wet BLDC cleaning motor, comprising a motor waterproof aluminum radiator upper cover (1) and a motor waterproof aluminum radiator lower cover (2), characterized in that: The outer wall of the upper cover (1) of the motor waterproof aluminum radiator is provided with a first waterproof sealing groove (3), the inner wall of the first waterproof sealing groove (3) is provided with a motor drive control waterproof sealing cover (4), the inner wall of the upper cover (1) of the motor waterproof aluminum radiator is provided with a motor driver (5), the inner wall of the upper cover (1) of the motor waterproof aluminum radiator is provided with an armature (6), the lower cover (2) of the motor waterproof aluminum radiator is installed at the port of the upper cover (1) of the motor waterproof aluminum radiator, the outer wall of the lower cover (2) of the motor waterproof aluminum radiator is provided with a second waterproof sealing groove (7), the armature (6) of the motor drive control waterproof sealing cover (4) is provided with a motor driver (5) and the inner wall of the upper cover (1) of the motor waterproof aluminum radiator is provided with an armature (6). The inner wall of the lower cover (2) of the waterproof aluminum radiator of the motor is provided with a motor stator pole (8); the inner cavity of the lower cover (2) of the waterproof aluminum radiator of the motor is provided with a rotor neodymium iron boron pole (9) located at one end of the armature (6); the outer wall of the lower cover (2) of the waterproof aluminum radiator of the motor is rotatably connected with a motor cyclone booster fixed impeller (10); one end of the armature (6) is provided with an interlocking waterproof and dustproof pad (11); the outer wall of the lower cover (2) of the waterproof aluminum radiator of the motor is provided with a high-speed turbine (12); and the outer wall of the high-speed turbine (12) is provided with a double-layer structure silencer turbine cover (13).

2. A dry-wet BLDC cleaning motor according to claim 1, characterized in that: The outer walls of the motor waterproof aluminum radiator upper cover (1) and the motor waterproof aluminum radiator lower cover (2) are evenly provided with cooling fins, and the interface between the motor waterproof aluminum radiator upper cover (1) and the motor waterproof aluminum radiator lower cover (2) is provided with an annular sealing rubber gasket.

3. A dry-wet BLDC cleaning motor according to claim 1, characterized in that: An interlocking waterproof and dustproof pad (11) is provided at one end of the armature (6), and the interlocking waterproof and dustproof pad (11) is an interlocking multi-tooth structure.

4. The dry-wet BLDC cleaning motor according to claim 1, characterized in that: The double-layer structured silencer turbine cover (13) is a double-layer metal plus nylon.

5. The dry-wet BLDC cleaning motor according to claim 1, characterized in that: The double-layer structured silencer turbine cover (13) is located on one side of the motor waterproof aluminum radiator lower cover (2).

6. The dry-wet BLDC cleaning motor according to claim 1, characterized in that: The motor cyclone booster fixed impeller (10) is located on one side of the double-layer structure silencer turbine cover (13), and the second waterproof sealing groove (7) is located on one side of the motor waterproof aluminum radiator upper cover (1).

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