CN220022472U - Waterproof fan motor with low cost and high efficiency - Google Patents
Waterproof fan motor with low cost and high efficiency Download PDFInfo
- Publication number
- CN220022472U CN220022472U CN202321429250.8U CN202321429250U CN220022472U CN 220022472 U CN220022472 U CN 220022472U CN 202321429250 U CN202321429250 U CN 202321429250U CN 220022472 U CN220022472 U CN 220022472U
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- CN
- China
- Prior art keywords
- cover
- magnetic shoe
- rear cover
- motor
- controller
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 6
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 6
- 150000002910 rare earth metals Chemical class 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a waterproof fan motor with low cost and high efficiency, wherein waterproof sealing mechanisms are arranged between a front cover (11) and a shaft (3), between the front cover (11) and a machine shell (5) and between the machine shell (5) and a rear cover (6); the controller (7) is arranged in a cavity enclosed by the middle cover (18) and the rear cover (6) and is fixed on the rear cover (6), and heat-conducting silica gel (8) is also arranged between the controller (7) and the rear cover (6); the rotor core (1) comprises a central hole (1-1) and a plurality of magnetic shoe holes (1-2), wherein the magnetic shoe holes are distributed outside the central hole (1-1) in a circular array, and the outer edge of the magnetic shoe holes (1-2) is provided with a notch structure (1-3). The utility model has smart structure, further reduces the demand for rare earth while realizing electromechanical integration, has low cost and high motor efficiency, and the controller has good heat dissipation, long service life, excellent performance and strong practicability.
Description
Technical Field
The utility model belongs to the field of motor production, and particularly relates to a waterproof fan motor with low cost and high efficiency.
Background
The existing waterproof fan is an iron core, a rotor assembly, a motor and a negative pressure fan as described in chinese patent CN108494117a, but has two disadvantages: 1. the rotor iron core A is designed to be sealed, the needed iron core consumption is large, and the cost is high under the conditions that the rare earth is controlled by the state and the price is rapidly increased, so that the motor is high in cost and difficult to produce on a large scale; 2. the control panel is close to the motor coil at the middle cover, and when the motor works, heat of the coil is transferred to the control panel, heat generated by the heat and the controller is accumulated, heat cannot be dissipated quickly in time, heat accumulation of the circuit board is caused, the temperature is high, and the controller is finally damaged.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the waterproof fan motor with low cost, high efficiency, good heat dissipation, long service life and high efficiency.
The utility model is realized by the following technical scheme:
a waterproof fan motor with low cost and high efficiency comprises a rotor core 1, a magnetic shoe 2, a shaft 3, a stator core 4, a shell 5, a rear cover 6, a controller 7, a front cover 11 and a middle cover 18; the stator core 4 is wound to form a stator assembly 19, and the stator assembly 19 is arranged on the inner wall of the casing 5 and is in interference fit with the casing 5; a rotating shaft assembly is formed on the shaft 3 after the magnetic shoe 2 is adhered to the rotor core 1; the shaft 3 is arranged in the front cover 11 and the middle cover 18 in a penetrating way through a rear end bearing 13 and a front end bearing 14, the shell 5 is respectively connected with the front cover 11, the middle cover 18 and the rear cover 6, and the middle cover 18 is in interference fit with the shell 5; waterproof sealing mechanisms are arranged between the front cover 11 and the shaft 3, between the front cover 11 and the machine shell 5 and between the machine shell 5 and the rear cover 6; the controller 7 is arranged in a cavity enclosed by the middle cover 18 and the rear cover 6 and is fixed on the rear cover 6, and heat-conducting silica gel 8 is also arranged between the controller 7 and the rear cover 6;
the rotor core 1 comprises a central hole 1-1 and a plurality of magnetic shoe holes 1-2, wherein the magnetic shoe holes are distributed on the outer side of the central hole 1-1 in a circular array, a notch structure 1-3 is arranged on the outer edge of the magnetic shoe hole 1-2, and the magnetic shoe 2 is fixed in the magnetic shoe hole 1-2 by magnetic shoe glue.
Preferably, the casing 5 further includes a motor outlet connector 16, from which a motor cable is led out, and the motor outlet connector 16 is a waterproof connector, and the motor cable is electrically connected to the controller.
Preferably, the waterproof sealing mechanism between the front cover 11 and the shaft 3 is a tetrafluoro oil seal 12;
preferably, the waterproof sealing mechanism between the front cover 11 and the casing 5 is an O-ring 17;
preferably, the waterproof sealing mechanism between the casing 5 and the rear cover 6 is an O-ring 15.
Preferably, a waterproof cover 10 is further provided on the outer side of the front cover 11.
Preferably, the rear cover is also provided with a heat dissipation boss 6-1.
Wherein:
the motor cable is used for supplying power to the motor; the shell is used for supporting and fixing the motor; the controller 7 is used for driving the motor and realizing motor speed regulation; the middle cover 18 is used for supporting and fixing the motor bearing; the bearing is used for supporting the motor rotor; the stator assembly 19 is used for generating a rotating magnetic field; the magnetic shoe 2 is used for generating magnetic force; the rotor core 1 is used for fixing the magnetic shoe 2 and reducing the magnetic resistance of the rotor; the O-shaped ring 17 is used for preventing water and dust; the front cover 11 is used for supporting and fixing the motor; the shaft 3 is used for connecting a load and transmitting torque; the rear cover 6 is used for supporting and fixing the controller; the waterproof cover 10 is used for waterproof and dustproof; the tetrafluoro oil seal 12 is used for waterproofing and dust proofing.
The beneficial effects of the utility model are as follows:
the waterproof fan motor with low cost and high efficiency has ingenious structure, further reduces the demand for rare earth while realizing electromechanical integration, has low cost, high motor efficiency, good heat dissipation, long service life, excellent performance and strong practicability, and particularly has the following advantages:
1. the rotor core is designed to be opened, so that the consumption of the core is reduced, the rare earth cost is reduced, the core loss is reduced, the efficiency of the motor is improved, and the design is simplified;
2. the controller is arranged at the rear cover, so that the design is simplified, the motor coil is far away from the controller, the direct heat dissipation effect of the controller is good, the heat dissipation boss is arranged on the rear cover surface, the heat dissipation area is increased, heat dissipation is timely carried out, and heat accumulation is avoided;
3. the heat-conducting silica gel is added on the controller, so that the heat conduction is good, the heat dissipation area is increased, the vibration of the circuit board of the electronic element is prevented, and the electronic element is dampproof and waterproof;
4. the middle cover and the shell (in interference fit) are designed, so that the design is simplified, and the heat of the motor is directly dissipated from the shell;
5. the integral waterproof design ensures that the motor is electrically controlled integrally, thereby lowering the cost.
Drawings
For ease of illustration, the utility model is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the internal structure of the present utility model;
fig. 2 is a schematic structural view of a rotor core;
fig. 3 is a schematic view of a structure in which a rotor core is mounted on a shaft;
FIG. 4 is a schematic view of a rotor assembly disposed on a housing;
fig. 5 is a schematic diagram showing the combination of the controller and the rear cover.
Description of the embodiments
As shown in fig. 1-5, a low-cost high-efficiency waterproof fan motor comprises a rotor core 1, a magnetic shoe 2, a shaft 3, a stator core 4, a machine shell 5, a rear cover 6, a controller 7, a front cover 11 and a middle cover 18; the stator core 4 is wound to form a stator assembly 19, and the stator assembly 19 is arranged on the inner wall of the casing 5 and is in interference fit with the casing 5; a rotating shaft assembly is formed on the shaft 3 after the magnetic shoe 2 is adhered to the rotor core 1; the shaft 3 is arranged in the front cover 11 and the middle cover 18 in a penetrating way through a rear end bearing 13 and a front end bearing 14, the shell 5 is respectively connected with the front cover 11, the middle cover 18 and the rear cover 6, and the middle cover 18 is in interference fit with the shell 5; waterproof sealing mechanisms are arranged between the front cover 11 and the shaft 3, between the front cover 11 and the machine shell 5 and between the machine shell 5 and the rear cover 6; the controller 7 is arranged in a cavity enclosed by the middle cover 18 and the rear cover 6 and is fixed on the rear cover 6, and heat-conducting silica gel 8 is also arranged between the controller 7 and the rear cover 6;
the rotor core 1 comprises a central hole 1-1 and a plurality of magnetic shoe holes 1-2, wherein the magnetic shoe holes are distributed on the outer side of the central hole 1-1 in a circular array, a notch structure 1-3 is arranged on the outer edge of the magnetic shoe hole 1-2, and the magnetic shoe 2 is fixed in the magnetic shoe hole 1-2 by magnetic shoe glue.
The shell 5 further comprises a motor outlet connector 16, a motor cable is led out from the connector, the motor outlet connector 16 is a waterproof connector, and the motor cable is electrically connected to the controller.
The waterproof sealing mechanism between the front cover 11 and the shaft 3 is a tetrafluoro oil seal 12;
the waterproof sealing mechanism between the front cover 11 and the shell 5 is an O-shaped ring 17;
the waterproof sealing mechanism between the casing 5 and the rear cover 6 is an O-shaped ring 15.
The outside of the front cover 11 is also provided with a waterproof cover 10.
The rear cover is also provided with a heat dissipation boss 6-1.
Wherein:
the motor cable is used for supplying power to the motor; the shell is used for supporting and fixing the motor; the controller 7 is used for driving the motor and realizing motor speed regulation; the middle cover 18 is used for supporting and fixing the motor bearing; the bearing is used for supporting the motor rotor; the stator assembly 19 is used for generating a rotating magnetic field; the magnetic shoe 2 is used for generating magnetic force; the rotor core 1 is used for fixing the magnetic shoe 2 and reducing the magnetic resistance of the rotor; the O-shaped ring 17 is used for preventing water and dust; the front cover 11 is used for supporting and fixing the motor; the shaft 3 is used for connecting a load and transmitting torque; the rear cover 6 is used for supporting and fixing the controller; the waterproof cover 10 is used for waterproof and dustproof; the tetrafluoro oil seal 12 is used for waterproofing and dust proofing.
The waterproof fan motor with low cost and high efficiency has ingenious structure, further reduces the demand for rare earth while realizing electromechanical integration, has low cost, high motor efficiency, good heat dissipation, long service life, excellent performance and strong practicability, and particularly has the following advantages:
1. the rotor core is designed to be opened, so that the consumption of the core is reduced, the rare earth cost is reduced, the core loss is reduced, the efficiency of the motor is improved, and the design is simplified;
2. the controller is arranged at the rear cover, so that the design is simplified, the motor coil is far away from the controller, the direct heat dissipation effect of the controller is good, the heat dissipation boss is arranged on the rear cover surface, the heat dissipation area is increased, heat dissipation is timely carried out, and heat accumulation is avoided;
3. the heat-conducting silica gel is added on the controller, so that the heat conduction is good, the heat dissipation area is increased, the vibration of the circuit board of the electronic element is prevented, and the electronic element is dampproof and waterproof;
4. the middle cover and the shell (in interference fit) are designed, so that the design is simplified, and the heat of the motor is directly dissipated from the shell;
5. the integral waterproof design ensures that the motor is electrically controlled integrally, thereby lowering the cost.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (6)
1. The waterproof fan motor with low cost and high efficiency is characterized by comprising a rotor core (1), a magnetic shoe (2), a shaft (3), a stator core (4), a shell (5), a rear cover (6), a controller (7), a front cover (11) and a middle cover (18); the stator iron core (4) is wound to form a stator assembly (19), and the stator assembly (19) is arranged on the inner wall of the shell (5) and is in interference fit with the shell (5); a rotating shaft assembly is formed by sticking the magnetic shoe (2) on the rotor core (1) and is arranged on the shaft (3); the shaft (3) is penetrated through the front cover (11) and the middle cover (18) through a rear end bearing (13) and a front end bearing (14), the shell (5) is respectively connected with the front cover (11), the middle cover (18) and the rear cover (6), and the middle cover (18) is in interference fit with the shell (5); waterproof sealing mechanisms are arranged between the front cover (11) and the shaft (3), between the front cover (11) and the machine shell (5) and between the machine shell (5) and the rear cover (6); the controller (7) is arranged in a cavity enclosed by the middle cover (18) and the rear cover (6) and is fixed on the rear cover (6), and heat-conducting silica gel (8) is also arranged between the controller (7) and the rear cover (6); the rotor iron core (1) comprises a central hole (1-1) and a plurality of magnetic shoe holes (1-2), wherein the magnetic shoe holes are distributed outside the central hole (1-1) in a circular array, a notch structure (1-3) is arranged on the outer edge of the magnetic shoe hole (1-2), and the magnetic shoe (2) is fixed in the magnetic shoe hole (1-2) by magnetic shoe glue.
2. A low cost, high efficiency, water resistant wind turbine generator according to claim 1, wherein said housing (5) further comprises a motor outlet connector (16) from which motor cables are led, said motor outlet connector (16) being a water resistant connector.
3. A low cost, high efficiency, water resistant blower motor as claimed in claim 1 wherein the water resistant seal between the front cover (11) and the shaft (3) is a tetrafluoro oil seal (12).
4. A low cost, high efficiency, water resistant blower motor as claimed in claim 1 wherein the water resistant sealing means between said front cover (11) and said housing (5) and between said housing (5) and said rear cover (6) are O-rings.
5. The low-cost high-efficiency waterproof fan motor according to claim 1, wherein a waterproof cover (10) is further arranged on the outer side of the front cover (11).
6. The low-cost and high-efficiency waterproof fan motor according to claim 1, wherein the rear cover is further provided with a heat dissipation boss 6-1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321429250.8U CN220022472U (en) | 2023-06-07 | 2023-06-07 | Waterproof fan motor with low cost and high efficiency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321429250.8U CN220022472U (en) | 2023-06-07 | 2023-06-07 | Waterproof fan motor with low cost and high efficiency |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220022472U true CN220022472U (en) | 2023-11-14 |
Family
ID=88684373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321429250.8U Active CN220022472U (en) | 2023-06-07 | 2023-06-07 | Waterproof fan motor with low cost and high efficiency |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220022472U (en) |
-
2023
- 2023-06-07 CN CN202321429250.8U patent/CN220022472U/en active Active
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