CN219086976U - Single-phase high-power bidirectional controllable permanent magnet synchronous motor - Google Patents
Single-phase high-power bidirectional controllable permanent magnet synchronous motor Download PDFInfo
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- CN219086976U CN219086976U CN202221721744.9U CN202221721744U CN219086976U CN 219086976 U CN219086976 U CN 219086976U CN 202221721744 U CN202221721744 U CN 202221721744U CN 219086976 U CN219086976 U CN 219086976U
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a single-phase high-power bidirectional controllable permanent magnet synchronous motor, belonging to the field of permanent magnet synchronous motors: the motor comprises a shell, a stator and a rotor, wherein the stator is arranged on the inner wall of the shell, and the rotor is arranged inside the stator. The stator is wound with a main winding and an auxiliary winding which are spatially 90 degrees apart. The main winding is directly connected to the single-phase power supply, and the auxiliary winding is connected to the single-phase power supply in series with the capacitor or resistor and the centrifugal switch. The rotor comprises a rotating shaft and a rotor core, and the rotor core is provided with a plurality of pairs of permanent magnets which are alternately arranged according to N-S stages. The pivot is equipped with two bearings, and the bearing is connected with the casing both ends. The utility model has the advantages that: the permanent magnet rotor can synchronously rotate in cooperation with the rotating magnetic field of the stator without exciting current of the stator, is more energy-saving, has high power and high rotating speed, has simple manufacturing process, can meet the application requirement in a large range, and can control the positive and negative rotation of the permanent magnet rotor according to the requirement.
Description
Technical Field
The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a single-phase high-power bidirectional controllable permanent magnet synchronous motor.
Background
The existing single-phase permanent magnet synchronous motor is claw-pole type, and has the advantages of low power, low rotating speed and small application range. Compared with the existing single-phase induction motor, the power is high, the rotating speed is high, but the rotor coil needs induction excitation of the stator to enable the rotor to rotate in the stator. The stator excites the rotor. And the unpowered current of the motor is increased, so that the motor wastes electric energy.
The present utility model has been made in view of the above drawbacks.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the defects of the technology and provide a single-phase high-power bidirectional controllable permanent magnet synchronous motor.
In order to solve the technical problems, the technical scheme provided by the utility model is that the single-phase high-power bidirectional controllable permanent magnet synchronous motor is as follows: the motor comprises a shell, a stator and a rotor, wherein the stator is arranged on the inner wall of the shell, and the rotor is arranged inside the stator.
As an improvement, the stator is wound with a main winding and an auxiliary winding which are spatially different by 90 degrees, the resistance value of the auxiliary winding is smaller than, equal to or larger than that of the main winding, and the wire diameter of the auxiliary winding is smaller than, equal to or larger than that of the main winding. The main winding is directly connected to the single-phase power supply, the auxiliary winding is connected to the single-phase power supply through a capacitor or a resistor and a centrifugal switch in series, and the winding mode of the main winding and the auxiliary winding is a concentrated winding or a distributed winding with a full distance.
As an improvement, the rotor comprises a rotating shaft and a rotor core, and the rotor core is provided with a plurality of pairs of permanent magnets which are alternately arranged according to the N-S level. The rotating shaft is provided with two bearings, and the bearings are connected with two ends of the shell.
Compared with the prior art, the utility model has the advantages that: the permanent magnet rotor can synchronously rotate in cooperation with the rotating magnetic field of the stator without exciting current of the stator, is more energy-saving, has high power and high rotating speed, does not need complex circuit control, has simple manufacturing process, can meet the application requirement of a large range, and can control the positive and negative rotation of the permanent magnet rotor according to the requirement, i.e. the motor is a bidirectional permanent magnet synchronous motor, and has high practical value and popularization value.
Drawings
Fig. 1 is a schematic structural diagram of a single-phase high-power bidirectional controllable permanent magnet synchronous motor according to the present utility model.
Fig. 2 is a schematic structural diagram of a rotor of a single-phase high-power bidirectional controllable permanent magnet synchronous motor according to the present utility model.
As shown in the figure: 1. the stator, 2, rotor, 3, pivot, 4, rotor core, 5, permanent magnet, 6, casing, 7, bearing.
Detailed Description
The utility model relates to a high-power bidirectional controllable permanent magnet synchronous motor, which is further described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 2, a permanent magnet synchronous motor includes a casing 6, a stator 1, and a rotor 2, wherein the stator 1 is disposed on an inner wall of the casing 6, and the rotor 2 is disposed inside the stator 1.
The stator 1 is wound with a main winding and an auxiliary winding which are different in space by 90 degrees, the resistance value of the auxiliary winding is smaller than, equal to or larger than that of the main winding, and the diameter of the auxiliary winding wire is smaller than, equal to or larger than that of the main winding wire. The main winding is directly connected to the single-phase power supply, the auxiliary winding is connected to the single-phase power supply through a capacitor or a resistor and a centrifugal switch in series, and the winding mode of the main winding and the auxiliary winding is a concentrated winding or a distributed winding with a full distance.
The rotor 2 comprises a rotating shaft 3 and a rotor core 4, and the rotor core 4 is provided with a plurality of pairs of permanent magnets 5 which are alternately arranged according to N-S stages. The permanent magnet 5 is arranged in a surface type, embedded type or built-in type. The rotating shaft 3 is provided with two bearings 7, and the bearings 7 are connected with two ends of the casing 6.
In the implementation of the utility model, the stator 1 coil generates a rotating magnetic field when single-phase current is introduced, and the rotor 2 synchronously rotates along with the rotating magnetic field of the stator 1. When the rotating speed of the rotor 2 is synchronous with the rotating magnetic field of the stator 1, the centrifugal switch is disconnected with the starting capacitor, and the running capacitor is still kept working or the starting winding is disconnected as long as the main winding works. Centrifugal switches are mechanical or electronic switches of various types.
The permanent magnet synchronous motor has the advantages that the permanent magnet rotor 2 can synchronously rotate in cooperation with the rotating magnetic field of the stator without exciting current of the stator 1, more energy is saved, high power and high rotating speed are realized, complicated circuit control is not needed, the manufacturing process is simple, the large-range application requirements can be met, and the forward and reverse rotation of the permanent magnet rotor 2 is controlled according to the requirements, so that the permanent magnet synchronous motor is a bidirectional controllable permanent magnet synchronous motor, and has high practical value and popularization value.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (3)
1. A single-phase high-power bidirectional controllable permanent magnet synchronous motor is characterized in that: the motor comprises a shell (6), a stator (1) and a rotor (2), wherein the stator (1) is fixedly arranged on the inner wall of the shell (6), and the rotor (2) is arranged in the stator (1);
the stator (1) is wound with a main winding and an auxiliary winding which are different in space by 90 degrees, the resistance value of the auxiliary winding is smaller than, equal to or larger than that of the main winding, and the diameter of an auxiliary winding wire is smaller than, equal to or larger than that of the main winding wire; the main winding is directly connected to the single-phase power supply, the auxiliary winding is connected to the single-phase power supply through a capacitor or a resistor and a centrifugal switch in series, and the winding mode of the main winding and the auxiliary winding is a concentrated winding or a distributed winding with a full distance.
2. A single-phase high-power bi-directional controllable permanent magnet synchronous motor according to claim 1, wherein: the rotor (2) comprises a rotating shaft (3) and a rotor core (4), and the rotor core (4) is provided with a plurality of pairs of permanent magnets (5) which are alternately arranged according to N-S stages; the permanent magnets (5) are arranged on the rotor core (4) in a surface type, embedded or built-in mode.
3. A single-phase high-power bi-directional controllable permanent magnet synchronous motor according to claim 2, wherein: the rotating shaft (3) is provided with two bearings (7), and the bearings (7) are connected with two ends of the shell (6); the stator of the permanent magnet synchronous motor is the same as the stator of the single-phase induction motor; the coil winding forms are also identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221721744.9U CN219086976U (en) | 2022-07-04 | 2022-07-04 | Single-phase high-power bidirectional controllable permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221721744.9U CN219086976U (en) | 2022-07-04 | 2022-07-04 | Single-phase high-power bidirectional controllable permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219086976U true CN219086976U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221721744.9U Active CN219086976U (en) | 2022-07-04 | 2022-07-04 | Single-phase high-power bidirectional controllable permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219086976U (en) |
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2022
- 2022-07-04 CN CN202221721744.9U patent/CN219086976U/en active Active
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