CN210839291U - Three-phase permanent magnet synchronous motor - Google Patents
Three-phase permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN210839291U CN210839291U CN201922270874.XU CN201922270874U CN210839291U CN 210839291 U CN210839291 U CN 210839291U CN 201922270874 U CN201922270874 U CN 201922270874U CN 210839291 U CN210839291 U CN 210839291U
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- China
- Prior art keywords
- stator
- end cover
- rear end
- rotor
- permanent magnet
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- Expired - Fee Related
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Abstract
The utility model discloses a three-phase permanent magnet synchronous motor, which comprises a stator and a rotor, wherein the stator is fixedly arranged in a frame, the front end of the stator is provided with a front end cover, the rear end of the stator is provided with a rear end cover, the front end cover and the rear end cover are both assembled and connected with the frame, a rotor bracket is welded in the frame, and the rotor is arranged on the rotor bracket and positioned in the stator; the stator adopts three-phase windings, temperature measuring elements are arranged in the grooves of the windings of each phase, the temperature measuring elements of the three-phase windings are symmetrically distributed, a heater is arranged on the inner side of the rear end cover, and an auxiliary junction box and a main junction box are sequentially arranged on the outer side of the rear end cover. The utility model discloses can directly drive the load, the torque is big, and is efficient, and the running cost is low.
Description
Technical Field
The utility model relates to the technical field of motors, concretely relates to three-phase permanent magnet synchronous motor.
Background
In the field of motors, an alternating current induction motor is frequently used at present, cannot be directly connected with a load to operate, the load must be driven through a speed reducing device, the system efficiency is low, the speed reducing device needs to be maintained regularly, and the operation cost is high, so that the motor with high efficiency and low operation cost needs to be designed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a three-phase permanent magnet synchronous motor for solving the problems mentioned in the background art.
In order to achieve the above and other related objects, the present invention provides a three-phase permanent magnet synchronous motor, which includes a stator and a rotor, wherein the stator is fixedly installed in a machine base, a front end cover is installed at the front end of the stator, a rear end cover is installed at the rear end of the stator, the front end cover and the rear end cover are both assembled and connected with the machine base, a rotor support is welded in the machine base, and the rotor is installed on the rotor support and located inside the stator; the stator adopts three-phase windings, temperature measuring elements are arranged in the grooves of the windings of each phase, the temperature measuring elements of the three-phase windings are symmetrically distributed, a heater is arranged on the inner side of the rear end cover, and an auxiliary junction box and a main junction box are sequentially arranged on the outer side of the rear end cover.
Preferably, the rotor includes pivot, iron core and permanent magnet, the output shaft coaxial coupling of pivot and motor, the iron core is fixed around the outside of locating the pivot, the permanent magnet equipartition is in the inside of iron core.
Preferably, the main junction box is electrically connected with an external power supply, and the auxiliary junction box is electrically connected with the internal temperature measuring element and the heater.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when using, stator winding switch-on three-phase alternating current produces rotating magnetic field, thereby with rotor magnetic field interact, thereby the rotor rotates and drives load work, this in-process, and heater protection stator winding is insulating not receive the damage, and temperature element monitors stator winding's operating temperature simultaneously, and the operation is stable, the utility model discloses can directly drive the load, the torque is big, and is efficient, and the running cost is low.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a three-phase permanent magnet synchronous motor provided by the present invention;
fig. 2 is a schematic structural view of the rotor of the present invention.
Wherein the reference numerals are specified as follows: the motor comprises a stator 1, a rotor 2, a rotating shaft 21, an iron core 22, a permanent magnet 23, a base 3, a front end cover 4, a rear end cover 5, a rotor bracket 6, a temperature measuring element 7, a heater 8, an auxiliary junction box 9 and a main junction box 10.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, the utility model provides a three-phase permanent magnet synchronous motor, including stator 1 and rotor 2, stator 1 is fixed mounting in frame 3, front end housing 4 is installed to the front end of stator 1, and rear end housing 5 is installed to its rear end, front end housing 4 and rear end housing 5 all with frame 3 be assembled between/be connected between, welding rotor support 6 in frame 3, rotor 2 is installed on rotor support 6 and is located inside stator 1; the stator 1 adopts three-phase windings, a temperature measuring element 7 is arranged in a groove of each phase winding, the temperature measuring elements 7 of the three-phase windings are symmetrically distributed, a heater 8 is arranged on the inner side of the rear end cover 5, and an auxiliary junction box 9 and a main junction box 10 are sequentially arranged on the outer side of the rear end cover 5.
In this embodiment, as shown in fig. 2, the rotor 2 includes a rotating shaft 21, an iron core 22 and permanent magnets 23, the rotating shaft 21 is coaxially connected to an output shaft of the motor, the iron core 22 is fixedly wound on the outer side of the rotating shaft 21, and the permanent magnets 23 are uniformly distributed inside the iron core 22.
The main junction box 10 is electrically connected with an external power supply, and the auxiliary junction box 9 is electrically connected with the internal temperature measuring element 7 and the heater 8.
During specific implementation, the stator 1 winding is connected with three-phase alternating current to generate a rotating magnetic field, the rotating magnetic field interacts with the rotor 2 magnetic field, the rotor 2 rotates to drive the load to work, in the process, the heater 8 protects the stator winding from being damaged, and meanwhile, the temperature measuring element 7 monitors the running temperature of the stator winding, and the running is stable.
To sum up, the utility model discloses can directly drive the load, the torque is big, and is efficient, and the running cost is low. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. The three-phase permanent magnet synchronous motor is characterized by comprising a stator (1) and a rotor (2), wherein the stator (1) is fixedly installed in a machine base (3), a front end cover (4) is installed at the front end of the stator (1), a rear end cover (5) is installed at the rear end of the stator, the front end cover (4) and the rear end cover (5) are both assembled and connected with the machine base (3), a rotor support (6) is welded in the machine base (3), and the rotor (2) is installed on the rotor support (6) and is located inside the stator (1); the stator (1) adopts three-phase windings, a temperature measuring element (7) is installed in a groove of each phase winding, the temperature measuring elements (7) of the three-phase windings are symmetrically distributed, a heater (8) is installed on the inner side of the rear end cover (5), and an auxiliary junction box (9) and a main junction box (10) are sequentially installed on the outer side of the rear end cover (5).
2. A three-phase permanent magnet synchronous motor according to claim 1, characterized in that: rotor (2) are including pivot (21), iron core (22) and permanent magnet (23), pivot (21) and the output shaft coaxial coupling of motor, iron core (22) are fixed around the outside of locating pivot (21), permanent magnet (23) equipartition is in the inside of iron core (22).
3. A three-phase permanent magnet synchronous motor according to claim 1, characterized in that: the main junction box (10) is electrically connected with an external power supply, and the auxiliary junction box (9) is electrically connected with the internal temperature measuring element (7) and the heater (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922270874.XU CN210839291U (en) | 2019-12-17 | 2019-12-17 | Three-phase permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922270874.XU CN210839291U (en) | 2019-12-17 | 2019-12-17 | Three-phase permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210839291U true CN210839291U (en) | 2020-06-23 |
Family
ID=71258852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922270874.XU Expired - Fee Related CN210839291U (en) | 2019-12-17 | 2019-12-17 | Three-phase permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210839291U (en) |
-
2019
- 2019-12-17 CN CN201922270874.XU patent/CN210839291U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20211217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |