CN214755968U - Heat radiation structure of motor stator coil - Google Patents
Heat radiation structure of motor stator coil Download PDFInfo
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- CN214755968U CN214755968U CN202120987532.4U CN202120987532U CN214755968U CN 214755968 U CN214755968 U CN 214755968U CN 202120987532 U CN202120987532 U CN 202120987532U CN 214755968 U CN214755968 U CN 214755968U
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Abstract
The utility model belongs to the technical field of motors, in particular to a heat dissipation structure of a motor stator coil, which comprises a motor shell, wherein a rear end cover and a front end cover are respectively arranged at the left side and the right side of the motor shell, a stator core is arranged in the inner cavity of the motor shell, a stator coil is arranged in the inner cavity of the stator core, a heat dissipation device embedded groove is arranged on the inner side wall of the stator core, a heat conduction device screw joint seat is integrally formed on the inner side wall of the motor shell, the left side of the heat conduction device screw joint seat is in screw joint with a heat conduction plate, an air circulation port is communicated between the left side wall and the right side wall of the heat conduction plate, a sheet-shaped heat conduction pipe is welded at the right side of the heat conduction plate, a ventilation hole is arranged between the left end and the right end of the sheet-shaped heat conduction pipe, the sheet-shaped heat conduction pipe is embedded in the heat dissipation device embedded groove, heat dissipation fins are welded at the left side of the heat conduction plate, a rotor is arranged at the inner side of the stator core, a rotating shaft is provided with a heat dissipation fan in a screw joint manner, this device has the dismouting and changes all comparatively conveniently, promotes the radiating effect's to stator coil characteristics greatly.
Description
Technical Field
The utility model belongs to the technical field of the motor, concretely relates to motor stator coil's heat radiation structure.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, the motor is represented by a letter M (old standard is D) in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electrical appliances or various machines, and when the motor runs, a stator coil in the motor needs to be provided with a heat dissipation device for dissipating a large amount of heat, so that the temperature in the motor is reduced, and the service life of the motor is prolonged.
SUMMERY OF THE UTILITY MODEL
The heat radiation structure of the existing motor stator coil is inconvenient to disassemble and assemble, and the heat radiation effect is not improved. The utility model provides a motor stator coil's heat radiation structure has the dismouting and changes all comparatively conveniently, promotes the characteristics to stator coil's radiating effect greatly.
The utility model provides a following technical scheme: a heat dissipation structure of a motor stator coil comprises a motor shell, wherein a rear end cover and a front end cover are respectively installed on the left side and the right side of the motor shell, a stator core is installed in an inner cavity of the motor shell, a stator coil is arranged in the inner cavity of the stator core, a heat dissipation device embedded groove is formed in the inner side wall of the stator core, a heat conduction device screwed seat is integrally formed in the inner side wall of the motor shell, the left side of the heat conduction device screwed seat is in screwed connection with a heat conduction plate, an air circulation port is communicated between the left side wall and the right side wall of the heat conduction plate, a sheet heat conduction pipe is welded on the right side of the heat conduction plate, a ventilation hole is formed between the left end and the right end of the sheet heat conduction pipe, the sheet heat conduction pipe is embedded in the heat dissipation device embedded groove, heat dissipation fins are welded on the left side of the heat conduction plate, a rotor is arranged on the inner side of the stator core, and a rotating shaft is arranged inside the rotor, the left side spiro union of pivot has radiator fan, the right side joint of pivot is in the bearing, bearing fixed mounting is on the front end lid.
The number of the heat conduction plates is four, and each heat conduction plate is in a quarter-ring shape; the four heat conducting plates are combined to form a complete ring shape, so that the stator core is subjected to heat dissipation in a whole circle, and the stator core is convenient to disassemble and assemble.
An air inlet is communicated between the left side wall and the right side wall of the front end cover; the air inlet is used for air to flow into the motor shell.
The left side wall and the right side wall of the rear end cover are communicated and clamped with a heat dissipation window; the heat radiation window is used for the heat radiation fan to discharge hot air.
The inner cavity of the motor shell is fixedly provided with a dust screen; the dust screen is used for blocking dust.
The width and the depth of the heat dissipation device embedding groove are the same as those of the sheet-shaped heat conduction pipe; the heat conducting pipe can be contacted with the groove wall of the heat radiating device embedded groove when the heat radiating device embedded groove can be embedded into the sheet heat conducting pipe, so that heat on the stator core can be conducted out, and the effect of radiating the stator coil is achieved.
The utility model has the advantages that: the heat conducting device is mounted by combining four quarter-ring-shaped heat conducting plates into a finished annular heat conducting plate group, the heat conducting plates are fixedly connected with the screw connecting seats of the heat conducting device in a screwed mode, screws which are connected between the heat conducting plates and the screw connecting seats of the heat conducting device in a screwed mode are taken down during dismounting, the heat conducting device can be dismounted, and the dismounting, the mounting and the replacement are both convenient;
when the device is used, the rotor rotates to drive the rotating shaft to rotate, the rotating shaft drives the radiating fan to rotate while rotating, the stator coil starts to emit heat and conducts the heat to the stator core, the stator core conducts the heat to the flaky heat conduction pipe due to the contact of the stator core and the flaky heat conduction pipe, the flaky heat conduction pipe conducts the heat to the heat conduction plate, air is sucked by the radiating fan from an air inlet on the front end cover to form air, the air enters the air vent in the flaky heat conduction pipe after passing through the dustproof net and finally flows out through the air circulation port on the heat conduction plate, the rapidly circulated air is utilized to effectively cool the flaky heat conduction pipe and the heat conduction plate flowing through the air vent, the contact area between the flaky heat conduction pipe and the heat conduction plate and the air is greatly increased, thereby the radiating effect of the stator coil is greatly increased, and the radiating fins effectively guide the heat on the heat conduction plate into the radiating fin, further increasing the contact area between the heat sink and the air, thereby further improving the heat dissipation effect.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a schematic structural view of the heat conducting plate and the sheet-shaped heat conducting pipe of the present invention;
fig. 3 is a left side view structural diagram of the heat plate of the present invention;
fig. 4 is a left side view structural schematic diagram of the middle stator core of the present invention;
FIG. 5 is a right side view of the present invention;
fig. 6 is a left side view of the present invention.
In the figure: 100. a motor housing; 110. a rear end cap; 111. a heat dissipation window; 120. a front end cover; 121. an air inlet; 210. a stator core; 220. a stator coil; 230. the heat sink is embedded into the groove; 300. the heat conduction device is screwed with the base; 410. a heat conducting plate; 411. an air circulation port; 420. a sheet-shaped heat conduction pipe; 421. a vent hole; 430. heat dissipation fins; 510. a rotor; 520. a rotating shaft; 530. a heat radiation fan; 600. a bearing; 700. a dust screen.
Detailed Description
Referring to fig. 1-6, the present invention provides the following technical solutions: a heat radiation structure of a motor stator coil comprises a motor housing 100, a rear end cover 110 and a front end cover 120 are respectively installed on the left side and the right side of the motor housing 100, a stator core 210 is installed in an inner cavity of the motor housing 100, a stator coil 220 is arranged in the inner cavity of the stator core 210, a heat radiation device embedded groove 230 is opened on the inner side wall of the stator core 210, a heat conduction device screw joint seat 300 is integrally formed on the inner side wall of the motor housing 100, the left side of the heat conduction device screw joint seat 300 is in screw joint with a heat conduction plate 410, an air flow opening 411 is penetrated between the left side wall and the right side wall of the heat conduction plate 410, a sheet-shaped heat conduction pipe 420 is welded on the right side of the heat conduction plate 410, a ventilation hole 421 is penetrated between the left end and the right end of the sheet-shaped heat conduction pipe 420, the sheet-shaped heat conduction pipe 420 is embedded in the heat radiation device embedded groove 230, and heat radiation fins 430 are welded on the left side of the heat conduction plate 410, the inboard of stator core 210 is equipped with rotor 510, the inside of rotor 510 is equipped with pivot 520, the left side spiro union of pivot 520 has radiator fan 530, the right side joint of pivot 520 is in bearing 600, bearing 600 fixed mounting is on front end housing 120.
The number of the heat-conducting plates 410 is four, and the shape of each heat-conducting plate 410 is a quarter circular ring; the four heat conducting plates 410 are combined to form a complete circular ring shape, so that the stator core 210 is subjected to heat dissipation for a whole circle, and the assembly and disassembly are convenient.
An air inlet 121 penetrates between the left side wall and the right side wall of the front end cover 120; the air inlet 121 is used for air to flow into the motor housing 100.
The left side wall and the right side wall of the rear end cover 110 are communicated and clamped with a heat dissipation window 111; the heat dissipation window 111 is used for the heat dissipation fan 530 to discharge hot air.
A dust screen 700 is fixedly arranged in the inner cavity of the motor shell 100; the dust screen 700 serves to block dust.
The width and depth of the heat sink-embedding groove 230 are the same as those of the sheet-shaped heat conductive pipe 420; the sheet-shaped heat pipe 420 can be inserted into the heat sink insertion groove 230 and can be in contact with the groove wall of the heat sink insertion groove 230, so that heat generated by the stator core 210 can be conducted out, and the stator coil 220 can be cooled.
The utility model discloses a theory of operation and use flow: the heat-conducting plate 410 is embedded into the heat-dissipating device embedded groove 230 of the stator core 210, the four quarter-ring-shaped heat-conducting plates 410 are combined into a complete ring-shaped heat-conducting plate group, the heat-conducting plate 410 is fixed with the heat-conducting device screw base 300 in a screw connection manner, the installation of the heat-conducting device can be completed, when the heat-conducting plate 410 is disassembled, the screw connected between the heat-conducting plate 410 and the heat-conducting device screw base 300 is taken down, the heat-conducting device can be disassembled, the disassembly and the replacement are convenient, when the device is used, the rotor 510 rotates to drive the rotating shaft 520 to rotate, the rotating shaft 520 rotates to drive the heat-dissipating fan 530 to rotate, during the operation of the rotor 510, the stator coil 220 starts to emit heat and transmits the heat to the stator core 210, because the stator core 210 is in contact with the sheet-shaped heat-conducting pipe 420, the stator core 210 transmits the heat to the sheet-shaped heat-conducting pipe 420, and transmits the heat to the heat-conducting plate 410 by the sheet-conducting pipe 420, air is sucked from the air inlet 121 of the front end cover 120 by the heat dissipation fan 530 to form air, the air passes through the dust screen 700 and enters the air vent in the sheet-shaped heat pipe 420 and finally flows out through the air circulation port 411 of the heat conduction plate 410, the sheet-shaped heat pipe 420 and the heat conduction plate 410 flowing through the air vent can be effectively cooled by using the rapidly circulating air, the contact area between the sheet-shaped heat pipe 420 and the air and the heat conduction plate 410 are greatly increased, the heat dissipation effect on the stator coil 220 is improved, the heat on the heat conduction plate 410 is effectively guided into the heat dissipation fin 430, the contact area between the heat dissipation device and the air is further increased, the heat dissipation effect is further improved, the air forms hot air through heat exchange with the sheet-shaped heat pipe 420, the heat conduction plate 410 and the heat dissipation fin 430, and is discharged from the heat dissipation window 111 under the action of the heat dissipation fan 530.
Claims (6)
1. The utility model provides a motor stator coil's heat radiation structure which characterized in that: the motor comprises a motor shell, wherein a rear end cover and a front end cover are respectively installed on the left side and the right side of the motor shell, a stator core is installed in an inner cavity of the motor shell, a stator coil is arranged in an inner cavity of the stator core, a heat dissipation device embedded groove is formed in the inner side wall of the stator core, a heat conduction device screwed seat is integrally formed in the inner side wall of the motor shell, the left side of the heat conduction device screwed seat is in screwed connection with a heat conduction plate, an air circulation port is communicated between the left side wall and the right side wall of the heat conduction plate, a flaky heat conduction pipe is welded on the right side of the heat conduction plate, a ventilation hole is communicated between the left end and the right end of the flaky heat conduction pipe, the flaky heat conduction pipe is embedded in the heat dissipation device embedded groove, heat dissipation fins are welded on the left side of the heat conduction plate, a rotor is arranged on the inner side of the stator core, a rotating shaft is arranged inside the rotor, and a heat dissipation fan is screwed on the left side of the rotating shaft, the right side joint of pivot is in the bearing, bearing fixed mounting is on the front end lid.
2. The heat dissipation structure of a stator coil of an electric motor according to claim 1, characterized in that: the number of the heat-conducting plates is four, and each heat-conducting plate is in a quarter-ring shape.
3. The heat dissipation structure of a stator coil of an electric motor according to claim 1, characterized in that: an air inlet is communicated between the left side wall and the right side wall of the front end cover.
4. The heat dissipation structure of a stator coil of an electric motor according to claim 1, characterized in that: and a heat dissipation window is communicated and clamped between the left side wall and the right side wall of the rear end cover.
5. The heat dissipation structure of a stator coil of an electric motor according to claim 1, characterized in that: and a dust screen is fixedly arranged in the inner cavity of the motor shell.
6. The heat dissipation structure of a stator coil of an electric motor according to claim 1, characterized in that: the width and the depth of the heat dissipation device embedding groove are the same as those of the flaky heat conduction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120987532.4U CN214755968U (en) | 2021-05-10 | 2021-05-10 | Heat radiation structure of motor stator coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120987532.4U CN214755968U (en) | 2021-05-10 | 2021-05-10 | Heat radiation structure of motor stator coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214755968U true CN214755968U (en) | 2021-11-16 |
Family
ID=78620400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120987532.4U Active CN214755968U (en) | 2021-05-10 | 2021-05-10 | Heat radiation structure of motor stator coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214755968U (en) |
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2021
- 2021-05-10 CN CN202120987532.4U patent/CN214755968U/en active Active
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