CN219659544U - High-adaptability three-phase asynchronous motor - Google Patents
High-adaptability three-phase asynchronous motor Download PDFInfo
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- CN219659544U CN219659544U CN202320244007.2U CN202320244007U CN219659544U CN 219659544 U CN219659544 U CN 219659544U CN 202320244007 U CN202320244007 U CN 202320244007U CN 219659544 U CN219659544 U CN 219659544U
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- asynchronous motor
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- 239000007788 liquid Substances 0.000 claims description 25
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000001012 protector Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 12
- 239000000110 cooling liquid Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-adaptability three-phase asynchronous motor, which is used for sending out heat of an inner cavity when a motor rotates, avoiding heat protector reaction caused by excessive accumulation of heat in the inner cavity of a motor shell.
Description
Technical Field
The utility model relates to the technical field of three-phase asynchronous motors, in particular to a high-adaptability three-phase asynchronous motor.
Background
At present, a technology of integrating a machine tool spindle and a spindle motor in the field of numerical control machine tools appears, and the spindle motor and the machine tool spindle are in a transmission structure mode of 'integrating into one', so that spindle components are relatively independent from a transmission system and an integral structure of the machine tool, and can be made into a spindle unit, commonly called an electric spindle, which is mainly applied to: numerical control machine tool, electromechanical equipment, miniature motor, pressure rotor.
The three-phase asynchronous motor is one kind of induction motor and is a motor powered by 380V three-phase AC current (120 deg. phase difference), and the rotor and stator of the three-phase asynchronous motor rotate in the same direction and different rotation speeds and have slip ratio. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of the rotating magnetic field, the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field, and electromagnetic torque is generated by interaction between the rotor winding and the magnetic field, so that energy conversion is realized.
However, when the existing three-phase asynchronous motor is applied to the field of machine tools, the following disadvantages exist: when the motor load is large, the motor current can increase, so that the motor winding generates large heat, the heat accumulation causes temperature rise, the motor thermal protector is caused to react, the motor is powered off, and the motor is protected, so that the motor can be protected from overheat damage, but the motor is also low in adaptability, and equipment such as a machine tool which is difficult to stably drive some large loads is caused, so that there is room for improvement.
Disclosure of Invention
The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the utility model is as follows: a high-adaptability three-phase asynchronous motor, comprising: the main body module comprises a shell, a stator fixed on the inner wall of the shell, a rotating shaft rotatably installed in the inner cavity of the shell and with the end part extending out of the shell, a rotor fixedly sleeved on the rotating shaft and bearings symmetrically installed on two sides of the shell.
The heat radiation module comprises a first heat-conducting plate sleeved and fixed on the stator, a fan fixed on the heat radiation fins in an annular array, a second heat-conducting plate sleeved and connected on the heat radiation fins, a liquid inlet pipeline which is arranged on the second heat-conducting plate and the end part of which extends out of the shell, an electric valve which is arranged on the liquid inlet pipeline, a liquid outlet pipeline which is arranged on the second heat-conducting plate and the end part of which extends out of the shell, and a temperature sensor which is arranged on the inner wall of the shell.
The inner cavity of the second heat-conducting plate is provided with a spiral flow passage.
The present utility model may be further configured in a preferred example to: one side of the shell is provided with a plurality of air inlet channels in an annular array, and the other side of the shell is provided with a plurality of air outlet channels in an annular array.
The present utility model may be further configured in a preferred example to: the inner wall of the air inlet pipeline is provided with a first filter screen, and the inner wall of the air outlet channel is provided with a second filter screen.
The present utility model may be further configured in a preferred example to: the bottom ends of the radiating fins are fixedly connected with the second radiating plate, and the top ends of the radiating fins are fixedly connected with the inner wall of the second radiating plate.
The present utility model may be further configured in a preferred example to: the liquid inlet pipeline is communicated with one end of the spiral flow channel, and the liquid outlet pipeline is communicated with the other end of the spiral flow channel.
The present utility model may be further configured in a preferred example to: the fan is located on one side of the rotating shaft close to the air inlet pipeline, and comprises an annular piece fixedly sleeved on the rotating shaft and fan blades fixed on the annular piece in an annular array.
The present utility model may be further configured in a preferred example to: the temperature sensors are arranged in an annular array.
By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:
1. according to the utility model, the first heat-conducting plate is sleeved on the stator, the plurality of heat-radiating fins are arranged on the first heat-conducting plate in an annular array, the heat generated by the stator winding is conducted out by utilizing the first heat-conducting plate, meanwhile, the air inlet pipeline and the air outlet channel are respectively arranged on two sides of the shell, the fan is fixedly sleeved on the rotating shaft, when the three-phase asynchronous motor rotates, the rotating shaft rotates to drive the fan to rotate, air is blown to the heat-radiating fins through the air inlet pipeline, and the heat on the first heat-conducting plate and the heat-radiating fins is taken away, so that the temperature of the motor winding is reduced, the accumulation of the heat of the three-phase asynchronous motor winding is avoided, the stable operation of the motor under a heavy load is kept, and the suitability of the three-phase asynchronous motor is improved.
2. In the utility model, the second heat-conducting plate is sleeved on the heat-radiating fin, the spiral flow passage is arranged in the inner cavity of the second heat-conducting plate, one end of the spiral flow passage is communicated with the liquid inlet pipeline, the other end of the spiral flow passage is communicated with the liquid outlet pipeline, and the cooling liquid is sent into the spiral flow passage in the second heat-conducting plate through the liquid inlet pipeline and flows in the spiral flow passage, so that the heat on the second heat-conducting plate is taken away, the heat-radiating efficiency of the motor is further improved, and the working stability of the motor is improved.
Drawings
FIG. 1 is a right side view of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
fig. 4 is a schematic structural diagram of a heat dissipation module according to the present utility model.
Reference numerals:
100. a main body module; 110. a housing; 111. an air inlet channel; 112. a first filter screen; 113. an air outlet channel; 114. a second filter screen; 120. a stator; 130. a rotating shaft; 140. a rotor; 150. a bearing;
200. a heat dissipation module; 210. a first heat-conducting plate; 220. a heat radiation fin; 230. a fan; 231. a ring member; 232. a fan blade; 240. a second heat-conducting plate; 241. a spiral flow passage; 250. a liquid inlet pipe; 260. an electric valve; 270. a liquid outlet pipe; 280. a temperature sensor.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
Some embodiments of the utility model are described below with reference to the accompanying drawings,
example 1:
as shown in connection with fig. 1 to 4, the present embodiment provides a high-adaptability three-phase asynchronous motor, comprising: the main body module 100 and the heat dissipation module 200.
The main body module 100 includes a housing 110, a stator 120 fixed on an inner wall of the housing 110, a rotating shaft 130 rotatably installed in an inner cavity of the housing 110 and having an end portion extending out of the housing 110, a rotor 140 fixedly sleeved on the rotating shaft 130, and bearings 150 symmetrically installed on two sides of the housing 110.
The casing 110 is used for installing other components, and is used for protecting each component in the inner cavity of the casing 110, the stator 120 is matched with the rotor 140 on the rotating shaft 130, the magnetic induction line is cut, the rotating shaft 130 is driven to rotate, the rotating shaft 130 is used for outputting rotation, the machine tool and other devices are driven to rotate, and the bearing 150 is used for guaranteeing the stability of the rotating shaft 130 during the rotation of the rotating shaft 130.
Further, one side of the casing 110 is provided with a plurality of air inlet channels 111 in a ring-shaped array, and is used for sending outside air into the inner cavity of the casing 110, the other side of the casing 110 is provided with a plurality of air outlet channels 113 in a ring-shaped array, and is used for sending out the air carrying heat, meanwhile, a first filter screen 112 is installed on the inner wall of the air inlet pipeline, and a second filter screen 114 is installed on the inner wall of the air outlet channels 113, and is used for preventing dust from entering the inner cavity of the casing 110 along with the air, so that the cleanliness of the inner cavity of the casing 110 is ensured.
The heat dissipation module 200 is used for sending out heat of an inner cavity when the motor rotates, and avoiding heat accumulation in the inner cavity of the motor housing 110 to cause a thermal protector to react, and comprises a first heat conducting plate 210 sleeved and fixed on the stator 120, a heat dissipation fin 220 fixed on the heat dissipation fin 220 in an annular array, a fan 230 fixedly sleeved and connected on the rotating shaft 130, a second heat conducting plate 240 sleeved and connected on the heat dissipation fin 220, a liquid inlet pipeline 250 installed on the second heat conducting plate 240 and with an end part extending out of the housing 110, an electric valve 260 installed on the liquid inlet pipeline 250, a liquid outlet pipeline 270 installed on the second heat conducting plate 240 and with an end part extending out of the housing 110, and a temperature sensor 280 installed on the inner wall of the housing 110.
The first heat conducting plate 210 is wrapped on the outer side surface of the stator 120, and is used for absorbing and guiding out heat generated by the stator 120 winding, and transmitting the heat to the heat dissipating fins 220, wherein the heat dissipating fins 220 are used for increasing the heat dissipating area of the first heat conducting plate 210, and meanwhile, an air flow channel is formed, so that more heat is taken away when air passes through.
The fan 230 is located at one side of the rotating shaft 130 close to the air inlet pipeline, when the rotating shaft 130 rotates, the fan 230 can be driven to rotate, air in the air inlet channel 111 is blown to the heat dissipation fins 220, the air flow rate is increased, the heat dissipation efficiency is improved, the fan 230 comprises an annular piece 231 fixedly sleeved on the rotating shaft 130 and fan blades 232 fixedly arranged on the annular piece 231 in an annular array, the annular piece 231 is used for installing the fan blades 232, and the fan blades 232 are used for rotating to accelerate the air flow.
The inner wall of the second heat conducting plate 240 is tightly attached to the end of the heat dissipating fin 220, so as to absorb the heat on the heat dissipating fin 220, and a spiral flow channel 241 is provided in the inner cavity of the second heat conducting plate 240, so that the cooling liquid flows to take away the heat on the second heat conducting plate 240.
One end of the spiral flow channel 241 is communicated with the liquid inlet pipeline 250, the other end is communicated with the liquid outlet pipeline 270, the liquid inlet pipeline 250 is used for feeding cooling liquid into the inner cavity of the spiral flow channel 241, the liquid outlet pipeline 270 is used for feeding out the cooling liquid absorbing heat, and the electric valve 260 is used for controlling the opening and closing of the liquid inlet pipeline 250.
The temperature sensors 280 are arranged in an annular array and are arranged in at least three to monitor the temperature of the windings of the stator 120.
The working principle and the using flow of the utility model are as follows: when the three-phase asynchronous motor is used, the end part of the rotating shaft 130 is connected with the input end of a machine tool and other devices, the motor is started, the rotating shaft 130 rotates to output power, when the load of the rotating shaft 130 is large, the stator 120 winding generates large heat, meanwhile, the rotating shaft 130 rotates to drive the fan 230 to rotate, air in the air inlet channel 111 is blown to the radiating fins 220, when the air passes through the first heat conducting plate 210 and the radiating fins 220, the heat on the first heat conducting plate 210 and the radiating fins 220 is taken away, the shell 110 is sent out through the air outlet channel 113, the heat generated by the stator 120 winding is prevented from accumulating in the inner cavity of the shell 110, when the temperature sensor 280 detects that the temperature of the stator 120 winding is high, the electric valve 260 is opened, the cooling liquid enters the spiral flow channel 241 through the liquid inlet channel 250 and flows in the spiral flow channel 241, the heat on the second heat conducting plate 240 is taken away, and then the heat is sent out from the liquid outlet channel 270, the heat is prevented from being further increased, and the working stability of the three-phase asynchronous motor is ensured.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (7)
1. A high-adaptability three-phase asynchronous motor, comprising: the main body module (100) and the heat dissipation module (200) are characterized in that the main body module (100) comprises a shell (110), a stator (120) fixed on the inner wall of the shell (110), a rotating shaft (130) rotatably installed in the inner cavity of the shell (110) and the end part of the rotating shaft extends out of the shell (110), a rotor (140) fixedly sleeved on the rotating shaft (130) and bearings (150) symmetrically installed on two sides of the shell (110);
the heat radiation module (200) comprises a first heat conduction plate (210) sleeved and fixed on the stator (120), a fan (230) fixedly sleeved and connected on the rotating shaft (130), a second heat conduction plate (240) sleeved and connected on the heat radiation fin (220), a liquid inlet pipeline (250) arranged on the second heat conduction plate (240) and the end part of which extends out of the shell (110), an electric valve (260) arranged on the liquid inlet pipeline (250), a liquid outlet pipeline (270) arranged on the second heat conduction plate (240) and the end part of which extends out of the shell (110) and a temperature sensor (280) arranged on the inner wall of the shell (110);
an inner cavity of the second heat conducting plate (240) is provided with a spiral flow passage (241).
2. The high-adaptability three-phase asynchronous motor according to claim 1, wherein one side of the shell (110) is provided with a plurality of air inlet channels (111) in an annular array, and the other side of the shell (110) is provided with a plurality of air outlet channels (113) in an annular array.
3. A high-adaptability three-phase asynchronous motor according to claim 2, characterized in that the inner wall of the air inlet channel is provided with a first filter screen (112), and the inner wall of the air outlet channel (113) is provided with a second filter screen (114).
4. The high-adaptability three-phase asynchronous motor according to claim 1, wherein the bottom ends of the radiating fins (220) are fixedly connected with the second radiating plate, and the top ends of the radiating fins are fixedly connected with the inner wall of the second radiating plate.
5. The high-adaptability three-phase asynchronous motor according to claim 1, wherein the liquid inlet pipeline (250) is communicated with one end of the spiral flow channel (241), and the liquid outlet pipeline (270) is communicated with the other end of the spiral flow channel (241).
6. The high-adaptability three-phase asynchronous motor according to claim 1, wherein the fan (230) is located at one side of the rotating shaft (130) close to the air inlet pipeline, and the fan (230) comprises an annular piece (231) fixedly sleeved on the rotating shaft (130) and fan blades (232) fixedly sleeved on the annular piece (231) in an annular array.
7. A high adaptability three-phase asynchronous motor according to claim 1, characterized in that the temperature sensors (280) are arranged in a circular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320244007.2U CN219659544U (en) | 2023-02-16 | 2023-02-16 | High-adaptability three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320244007.2U CN219659544U (en) | 2023-02-16 | 2023-02-16 | High-adaptability three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219659544U true CN219659544U (en) | 2023-09-08 |
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ID=87880860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320244007.2U Active CN219659544U (en) | 2023-02-16 | 2023-02-16 | High-adaptability three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219659544U (en) |
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2023
- 2023-02-16 CN CN202320244007.2U patent/CN219659544U/en active Active
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