CN111756161A - Novel three-phase permanent magnet synchronous motor - Google Patents
Novel three-phase permanent magnet synchronous motor Download PDFInfo
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- CN111756161A CN111756161A CN202010758559.6A CN202010758559A CN111756161A CN 111756161 A CN111756161 A CN 111756161A CN 202010758559 A CN202010758559 A CN 202010758559A CN 111756161 A CN111756161 A CN 111756161A
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- motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a novel three-phase permanent magnet synchronous motor which comprises a front end cover, a motor shaft, a motor rotor, a motor stator, a motor shell, a rear end cover, a support and an oil tank for cooling, wherein a front sealing cover is arranged at the front end of the front end cover, and a front cooling groove is formed between the front end cover and the front sealing cover; the oil tank is connected with a liquid inlet on the rear end cover through a liquid inlet pipe, a liquid outlet on the rear end cover is respectively communicated with an inner cavity of the support and a front cooling inlet of the front cooling tank through a liquid outlet pipe and a three-way overflow valve, a front cooling outlet of the front cooling tank is connected with the oil tank through a return pipe, and the support adopts a spring and a hydraulic structure to absorb shock together; when the motor is started by a cold machine, the pneumatic clutch is in a separated state, the temperature in the motor rises, the air bag pushes the friction plate to enable the motor shaft to be connected with the gear shaft, the gear pair is driven to rotate, the gear pair rotates to form cavity change, cooling oil is sucked out of the oil tank and conveyed to the support for damping and conveyed to the front cooling groove for cooling.
Description
Technical Field
The invention relates to the technical field of synchronous motors, in particular to a novel three-phase permanent magnet synchronous motor.
Background
A three-phase permanent magnet motor is characterized in that after three-phase alternating current is introduced into a three-phase stator winding of the motor, a rotating magnetic field is generated and cuts a rotor winding, so that induced current is generated in the rotor winding, a large amount of heat is generated in the motor operation process, the temperature of the motor is increased, and the operation safety of the motor is determined to a certain extent according to the heat dissipation performance, some existing heat dissipation modes need extra power consumption and have poor heat dissipation performance, meanwhile, the existing three-phase permanent magnet synchronous motor is not suitable for working under the severe environment conditions such as workshops with more dust, mining areas and the like, the dustproof and waterproof effects need to be further improved, for the vibration of the whole operation process of the motor, the existing technology generally adopts a mode of directly fixing the motor, a fastener of the vibration reduction mode is easy to loosen, and the vibration of the motor is promoted along with time, are becoming larger and larger.
Content of patent
The invention aims to provide a novel three-phase permanent magnet synchronous motor with good heat dissipation and shock absorption effects.
The technical purpose of the invention is realized by the following technical scheme:
a novel three-phase permanent magnet synchronous motor comprises a front end cover, a motor shaft, a motor rotor, a motor stator, a motor shell, a rear end cover, a support and an oil tank for cooling, wherein a front sealing cover is mounted at the front end of the front end cover, and a front cooling groove is formed between the front end cover and the front sealing cover; a rear sealing cover is arranged at the rear end of the rear end cover, and a cooling cavity is formed between the rear end cover and the rear sealing cover; a gear pair is installed in the cooling cavity, a gear shaft of a driving wheel of the gear pair is connected with a motor shaft through a pneumatic clutch, one end of the motor shaft, which is connected with the gear pair, is provided with a radial air groove I and an axial air groove II, the air groove I is communicated with the air groove II, an air bag of the pneumatic clutch is communicated with an inner cavity of a motor of the air groove I and the air groove II, the motor shaft is sealed with a rear end cover through a sealing ring, and a front sealing cover is sealed with the motor shaft through a sealing ring, so that a sealed space is formed in the inner cavity of the motor; the oil tank is connected with a liquid inlet on the rear end cover through a liquid inlet pipe, a liquid outlet on the rear end cover is respectively communicated with an inner cavity of the support and a front cooling inlet of the front cooling tank through a liquid outlet pipe and a three-way overflow valve, a front cooling outlet of the front cooling tank is connected with the oil tank through a return pipe, and the support adopts a spring and a hydraulic structure to realize common shock absorption; when the motor is started by the cold machine, the internal temperature of the motor is low, namely the difference between the internal pressure of the motor and the atmospheric pressure is not large, the pneumatic clutch is in a separated state, after the motor runs for a period of time, the internal temperature of the motor is increased, the pressure is increased, the internal pressure of the motor is transmitted to an air bag of the pneumatic clutch through the air groove I and the air groove II, the air bag pushes the friction plate to enable the motor shaft to be connected with the gear shaft to drive the gear pair to rotate, the gear pair rotates to form cavity change (a gear pump structure), cooling oil is sucked out of the oil tank and is conveyed to the support for damping and conveyed.
Furthermore, the three-way overflow valve comprises a three-way valve body, an overflow sealing ball and an overflow spring, wherein the overflow sealing ball and the overflow spring are arranged at the valve port end of the cooling tank before the three-way overflow valve is connected.
Further, base, damping spring, spacing circular bead, shock attenuation sealing ball, kicking block, reset spring, connecting rod and support the pole are installed to the support inner chamber, spacing circular bead restriction base removes at the upper end position of support, damping spring installs in the bottom of base, and shock attenuation sealing ball sets up in damping spring's bottom to make and form inclosed space between shock attenuation sealing ball and the base, the kicking block is installed and is held the intracavity in the sealing ball below, and the kicking block is articulated with the one end fixed connection of connecting rod, the intermediate position of connecting rod and support, and the other end of connecting rod is articulated with the bottom of supporting the pole, and reset spring installs in the bottom of supporting the pole, supports the pole and passes and hold the chamber lateral wall and stretch to support inner chamber top to with base bottom butt.
Further, an air cap is installed on the motor shell and comprises a hanging ring, a waterproof block, a hanging cap, a sundry prevention hole, an upper balance spring, a valve core, a lower balance spring, a cap body and an adsorption block, the hanging ring is arranged on the hanging cap, the hanging cap is fixedly installed on the cap body, the waterproof block and the adsorption block are installed in the hanging cap, the sundry prevention hole is formed in the outer side of the lower end face of the hanging cap, the upper balance spring, the valve core and the lower balance spring are installed in the inner cavity of the cap body, and the valve core is kept in the middle sealing section of the cap body under the action of the upper balance spring and the lower balance spring.
Furthermore, the waterproof block is made of a waterproof breathable film.
Furthermore, the adsorption block is made of microporous ceramic materials.
Furthermore, the size of the orifice of the impurity-preventing hole is larger than the size of the inner diameter of the impurity-preventing hole, and the structure of the impurity-preventing hole is arranged, so that the orifice can be prevented from being blocked by impurities, the aperture of the impurity-preventing hole is reduced, and the possibility that water vapor enters the interior of the motor is reduced.
Furthermore, the number of the supports is two, the three-way overflow valve is communicated with the accommodating cavities at the bottoms of the two supports through the shunt tubes, the two supports are respectively provided with a communicating port, and the communicating ports are connected through a communicating pipe.
Furthermore, the front cooling tank is of a circular ring structure, and a plurality of uniformly distributed heat dissipation bulges extend from the inner circle of the circular ring structure, so that the heat dissipation area of the front end cover is increased.
Furthermore, the rear cooling groove is composed of a plurality of groups of arc-shaped grooves, and the heat dissipation area of the rear end cover is increased.
In conclusion, the invention has the following beneficial effects:
1. the motor forms a relatively closed space inside the motor, so that the motor can run outdoors and under severe mine conditions, has good dustproof and waterproof functions, the rear end of the motor is provided with a gear pair for cooling the motor, and the connection and the disconnection of the pneumatic clutch are controlled by the temperature rise inside the motor, so that the automatic control of cooling is realized;
2. the motor support adopts the dual shock-absorbing structure of spring and hydraulic pressure, effectively plays the guard action to the operation of motor, guarantees the operation stationarity of motor.
3. The motor passes through air cap structure and external connection, and is too big when motor internal pressure, and the accessible air cap suitably exhausts, and when internal pressure was too little, suitably admit air, guaranteed its motor inside simultaneously again and the relative separation of external environment, increase the dustproof, the water-proof effects of motor.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partially enlarged view of a portion a of fig. 1;
fig. 3 is a partially enlarged view of a portion B of fig. 1;
FIG. 4 is a schematic illustration of cooling a structural portion of a power plant;
FIG. 5 is a schematic structural view of the air cap of the present invention;
FIG. 6 is a schematic structural view of a three-way relief valve of the present invention;
FIG. 7 is a schematic structural view of the rear end cap of the present invention;
fig. 8 is a schematic structural view of the front end cap of the present invention.
In the figure, 1, a front end cover; 2. a motor shaft; 3. a front sealing cover; 4. a front cooling tank; 5. a motor rotor; 6. a motor stator; 7. an air cap; 8. a motor housing; 9. a return pipe; 10. a rear end cap; 11. a liquid inlet pipe; 12. a gear pair; 13. a gear shaft; 14. a rear sealing cover; 15. an oil tank; 16. a liquid outlet pipe; 17. a communicating pipe; 18. a shunt tube; 19. a three-way overflow valve; 20. a support; 21. a pneumatic clutch; 22. a seal ring; 23. a first air groove; 24. a second air tank; 25. a base; 26. a damping spring; 27. a limiting shoulder; 28. a communication port; 29. a shock absorbing sealing ball; 30. a top block; 31. a return spring; 32. a connecting rod; 33. a support rod; 34. a liquid inlet; 35. a liquid outlet; 36. a hoisting ring; 37. a waterproof block; 38. hanging a cap; 39. impurity-proof holes; 40. an upper balance spring; 41. a valve core; 42. a lower balance spring; 43. a cap body; 44. an adsorption block; 45. a three-way valve body; 46. an overflow sealing ball; 47. an overflow spring; 48. a post-cooling tank; 49. A front cooling outlet; 50. a front cooling inlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-8, a novel three-phase permanent magnet synchronous motor includes a front end cover 1, a motor shaft 2, a motor rotor 5, a motor stator 6, a motor casing 8, a rear end cover 10, a support 20, and an oil tank 15 for cooling, wherein a front sealing cover 3 is installed at the front end of the front end cover 1, and a front cooling groove 4 is formed between the front end cover 1 and the front sealing cover 3; a rear sealing cover 14 is arranged at the rear end of the rear end cover 10, and a cooling cavity is formed between the rear end cover 10 and the rear sealing cover 14; a gear pair 12 is arranged in the cooling cavity, a gear shaft 13 of a driving wheel of the gear pair 12 is connected with a motor shaft 2 through a pneumatic clutch 21, one end of the motor shaft 2, which is connected with the gear pair 12, is provided with a radial air groove I23 and an axial air groove II 24, the air groove I23 is communicated with the air groove II 24, an air bag of the pneumatic clutch 21 is communicated with an inner cavity of a motor of the air groove II 24 through the air groove I23, the motor shaft 2 forms a seal with the rear end cover 10 through a seal ring 22, and a front seal cover 3 forms a seal with the motor shaft 2 through a seal ring, so that the inner cavity of the motor forms a closed space; the oil tank 15 is connected with a liquid inlet 34 on the rear end cover 10 through a liquid inlet pipe 11, a liquid outlet 35 on the rear end cover 10 is respectively communicated with an inner cavity of the support 20 and a front cooling inlet 50 of the front cooling tank 4 through a liquid outlet pipe 16 and a three-way overflow valve 19, a front cooling outlet 49 of the front cooling tank 4 is connected with the oil tank 15 through a return pipe 9, and the support 20 adopts a spring and hydraulic structure for damping together; when the motor is started by a cold machine, the internal temperature of the motor is low, namely the internal pressure of the motor is not much different from the atmospheric pressure, the pneumatic clutch 21 is in a separated state, after the motor runs for a period of time, the internal temperature of the motor is increased, the pressure is increased, the internal pressure of the motor is transmitted to an air bag of the pneumatic clutch 21 through the air groove I23 and the air groove II 24, the air bag pushes the friction plate to enable the motor shaft 2 to be connected with the gear shaft 13, the gear pair 12 is driven to rotate, the gear pair 12 rotates to form cavity change (a gear pump structure), cooling oil is sucked out of the oil tank and is conveyed to the support 20 for shock absorption and conveyed.
Further, as shown in fig. 4, the three-way relief valve 19 includes a three-way valve body 45, an overflow sealing ball 46 and an overflow spring 47, and the overflow sealing ball 46 and the overflow spring 47 are disposed at a valve port end of the cooling tank 4 before the three-way relief valve 19 is connected.
Further, as shown in fig. 3, a base 25, a damping spring 26, a limiting shoulder 27, a damping sealing ball 29, a top block 30, a return spring 31, a connecting rod 32 and a resisting rod 33 are installed in an inner cavity of the support 20, the limiting shoulder 27 limits the base 25 to move at the upper end of the support 20, the damping spring 26 is installed at the bottom of the base 25, the damping sealing ball 29 is arranged at the bottom of the damping spring 26, and a closed space is formed between the damping sealing ball 29 and the base 25, the top block 30 is installed in an accommodating cavity below the sealing ball 29, the top block 30 is fixedly connected with one end of the connecting rod 32, the middle position of the connecting rod 32 is hinged to the support 20, the other end of the connecting rod 32 is hinged to the bottom end of the resisting rod 33, the return spring 31 is installed at the bottom of the resisting rod 33, and the resisting rod 33 penetrates through the side wall of the accommodating cavity to extend to the.
Further, as shown in fig. 1 and 5, an air cap 7 is mounted on the motor case 8, the air cap 7 includes a hanging ring 36, a waterproof block 37, a hanging cap 38, an anti-contamination hole 39, an upper balance spring 40, a valve core 41, a lower balance spring 42, a cap body 43 and an adsorption block 44, the hanging ring 36 is disposed on the hanging cap 38, the hanging cap 38 is fixedly mounted on the cap body 43, the waterproof block 37 and the adsorption block 44 are mounted in the hanging cap 38, the anti-contamination hole 39 is disposed on the outer side of the lower end surface of the hanging cap 38, the upper balance spring 40, the valve core 41 and the lower balance spring 42 are mounted in the inner cavity of the cap body 43, and the valve core 41 is held in the middle sealing section of the cap body 43 under the action of the upper balance spring 40 and the lower balance spring 42.
Further, the waterproof block 37 is made of a waterproof and breathable film.
Further, the adsorption block 44 is made of a microporous ceramic material.
Furthermore, the size of the orifice of the impurity-preventing hole 39 is larger than the size of the inner diameter of the impurity-preventing hole, and the structure of the impurity-preventing hole 39 can prevent the orifice from being blocked by impurities, reduce the aperture of the impurity-preventing hole 39 and reduce the possibility of water vapor entering the motor.
Further, the number of the support 20 is two, the three-way overflow valve 19 is communicated with the accommodating cavities at the bottoms of the two supports 20 through the shunt tubes 18, the two supports 20 are both provided with communicating ports 28, and the communicating ports 28 are connected through the communicating pipe 17.
Furthermore, the front cooling tank 4 is of a circular ring structure, and a plurality of uniformly distributed heat dissipation protrusions extend from the inner circle of the circular ring structure, so that the heat dissipation area of the front end cover 1 is increased.
Further, the rear cooling groove 48 is composed of a plurality of groups of arc-shaped grooves, so that the heat dissipation area of the rear end cover 10 is increased.
The working process is as follows: when the refrigerator is started, the temperature in the motor is low, the pressure in the motor is low, the pneumatic clutch enables the motor shaft and the gear shaft to be in a separated state at the moment, the motor normally operates, the gear pair for cooling is in a static state, the base is positioned at the upper end of the inner cavity of the support under the action of the damping spring and the sealed hydraulic oil in the inner cavity of the support, when the motor operates and vibrates, the base can generate downward vibration to compress the damping spring and the hydraulic oil in the inner cavity of the support, the vibration can be flexibly absorbed, when the motor vibrates greatly, part of the hydraulic oil can leak, the limiting shoulder limits the lowest position of the base in operation, meanwhile, in the process that the base moves downwards, the abutting rod is pushed to drive the connecting rod and the ejector block to push the damping sealing ball upwards, the sealed inner cavity of the support is opened, when the base returns upwards under the action of, the leaked hydraulic oil is sucked into the inner cavity of the support to reach the closed damping inner cavity again, so that the double damping effect is achieved; when the temperature of the motor rises, the pressure inside the motor is high, the pneumatic clutch enables the motor shaft to be combined with the gear shaft at the moment, the motor drives the gear shaft to rotate, the gear pair sucks hydraulic oil in the oil tank, the front end cover and the rear end cover of the motor are cooled, heat of bearings at two ends of the motor is taken away, an extra power source is not needed for cooling, and the effect of the three-way overflow valve ensures that leaked hydraulic oil can be supplemented inside the support in time.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a novel three-phase PMSM, includes front end housing (1), motor shaft (2), electric motor rotor (5), motor stator (6), motor casing (8), rear end cap (10) and support (20), characterized by: the front end cover is characterized by further comprising an oil tank (15) for cooling, a front sealing cover (3) is mounted at the front end of the front end cover (1), and a front cooling groove (4) is formed between the front end cover (1) and the front sealing cover (3); a rear sealing cover (14) is mounted at the rear end of the rear end cover (10), and a cooling cavity is formed between the rear end cover (10) and the rear sealing cover (14); a gear pair (12) is installed in the cooling cavity, a gear shaft (13) of a driving wheel of the gear pair (12) is connected with a motor shaft (2) through a pneumatic clutch (21), a radial air groove I (23) and an axial air groove II (24) are arranged at one end, connected with the gear pair (12), of the motor shaft (2), the air groove I (23) is communicated with the air groove II (24), an air bag of the pneumatic clutch (21) is communicated with an inner cavity of the motor through the air groove I (23) and the air groove II (24), and the motor shaft (2) is sealed with the rear end cover (10) through a sealing ring (22); the oil tank (15) is connected with a liquid inlet (34) on the rear end cover (10) through a liquid inlet pipe (11), a liquid outlet (35) on the rear end cover (10) is respectively communicated with an inner cavity of the support (20) and a front cooling inlet (50) of the front cooling tank (4) through a liquid outlet pipe (16) and a three-way overflow valve (19), a front cooling outlet (49) of the front cooling tank (4) is connected with the oil tank (15) through a return pipe (9), and the support (20) adopts a spring and hydraulic structure to absorb shock jointly.
2. The new type of three-phase permanent magnet synchronous motor as claimed in claim 1, wherein: the three-way overflow valve (19) comprises a three-way valve body (45), an overflow sealing ball (46) and an overflow spring (47), wherein the overflow sealing ball (46) and the overflow spring (47) are arranged at the valve port end of the three-way overflow valve (19) connected with the front cooling tank (4).
3. The novel three-phase permanent magnet synchronous motor of claim 2, which is characterized in that: the damping device is characterized in that a base (25), a damping spring (26), a limiting shoulder (27), a damping sealing ball (29), a top block (30), a return spring (31), a connecting rod (32) and a support rod (33) are installed in the inner cavity of the support (20), the limiting shoulder (27) limits the movement of the base (25) at the upper end of the support (20), the damping spring (26) is installed at the bottom of the base (25), the damping sealing ball (29) is arranged at the bottom of the damping spring (26), a closed space is formed between the damping sealing ball (29) and the base (25), the top block (30) is installed in an accommodating cavity below the sealing ball (29), the top block (30) is fixedly connected with one end of the connecting rod (32), the middle position of the connecting rod (32) is hinged with the support (20), the other end of the connecting rod (32) is hinged with the bottom end of the support rod (33), the return spring (31) is installed at the bottom of the support rod (, the abutting rod (33) penetrates through the side wall of the accommodating cavity, extends to the upper part of the inner cavity of the support (20), and abuts against the bottom of the base (25).
4. A novel three-phase permanent magnet synchronous motor according to claim 3, characterized in that: an air cap (7) is arranged on the motor shell (8), the air cap (7) comprises a hanging ring (36), a waterproof block (37), a hanging cap (38), an impurity-proof hole (39), an upper balance spring (40), a valve core (41), a lower balance spring (42), a cap body (43) and an adsorption block (44), the hanging ring (36) is arranged on the hanging cap (38), the hanging cap (38) is fixedly arranged on the cap body (43), the waterproof block (37) and the adsorption block (44) are arranged in the hanging cap (38), the impurity preventing hole (39) is formed in the outer side of the lower end face of the hanging cap (38), the upper balance spring (40), the valve core (41) and the lower balance spring (42) are installed in the inner cavity of the cap body (43), and the valve core (41) is kept in the middle sealing section of the cap body (43) under the action of the upper balance spring (40) and the lower balance spring (42).
5. The novel three-phase permanent magnet synchronous motor of claim 4, wherein: the waterproof block (37) is made of a waterproof breathable film.
6. The novel three-phase permanent magnet synchronous motor of claim 5, wherein: the adsorption block (44) is made of microporous ceramic materials.
7. The novel three-phase permanent magnet synchronous motor of claim 6, wherein: the size of the opening of the impurity preventing hole (39) is larger than the size of the inner diameter of the impurity preventing hole.
8. The new type of three-phase permanent magnet synchronous motor as claimed in claim 7, wherein: the number of the support seats (20) is two, the three-way overflow valve (19) is communicated with the accommodating cavities at the bottoms of the two support seats (20) through the shunt tubes (18), the two support seats (20) are respectively provided with a communicating port (28), and the communicating ports (28) are connected through the communicating pipe (17).
9. The new type of three-phase permanent magnet synchronous machine according to claim 8, characterized in that: the front cooling tank (4) is of a circular ring structure, and a plurality of uniformly distributed heat dissipation bulges extend from the inner circle of the circular ring structure.
10. The new type three-phase permanent magnet synchronous motor as claimed in claim 9, wherein: the rear cooling groove (48) is composed of a plurality of groups of arc-shaped grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010758559.6A CN111756161B (en) | 2020-07-31 | 2020-07-31 | Three-phase permanent magnet synchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010758559.6A CN111756161B (en) | 2020-07-31 | 2020-07-31 | Three-phase permanent magnet synchronous motor |
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| CN111756161A true CN111756161A (en) | 2020-10-09 |
| CN111756161B CN111756161B (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010758559.6A Active CN111756161B (en) | 2020-07-31 | 2020-07-31 | Three-phase permanent magnet synchronous motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271862A (en) * | 2020-11-27 | 2021-01-26 | 电子科技大学中山学院 | New energy automobile motor damping device |
| CN113131660A (en) * | 2021-04-26 | 2021-07-16 | 哈尔滨理工大学 | High-speed permanent magnet motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124066A (en) * | 2017-04-18 | 2017-09-01 | 南通森玛特电机有限公司 | Efficient explosionproof threephase asynchronous |
| CN109458328A (en) * | 2018-11-01 | 2019-03-12 | 兰州理工大学 | A kind of four quadrant running hydraulic electric motor pump |
| CN209358384U (en) * | 2019-02-21 | 2019-09-06 | 黄河科技学院 | A kind of New energy automobile motor radiator |
| CN211106965U (en) * | 2019-11-29 | 2020-07-28 | 江西清华泰豪三波电机有限公司 | Remote control pneumatic clutch power take-off generator |
-
2020
- 2020-07-31 CN CN202010758559.6A patent/CN111756161B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124066A (en) * | 2017-04-18 | 2017-09-01 | 南通森玛特电机有限公司 | Efficient explosionproof threephase asynchronous |
| CN109458328A (en) * | 2018-11-01 | 2019-03-12 | 兰州理工大学 | A kind of four quadrant running hydraulic electric motor pump |
| CN209358384U (en) * | 2019-02-21 | 2019-09-06 | 黄河科技学院 | A kind of New energy automobile motor radiator |
| CN211106965U (en) * | 2019-11-29 | 2020-07-28 | 江西清华泰豪三波电机有限公司 | Remote control pneumatic clutch power take-off generator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271862A (en) * | 2020-11-27 | 2021-01-26 | 电子科技大学中山学院 | New energy automobile motor damping device |
| CN112271862B (en) * | 2020-11-27 | 2021-09-07 | 电子科技大学中山学院 | New energy automobile motor damping device |
| CN113131660A (en) * | 2021-04-26 | 2021-07-16 | 哈尔滨理工大学 | High-speed permanent magnet motor |
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| Publication number | Publication date |
|---|---|
| CN111756161B (en) | 2022-12-30 |
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