CN221103179U - Permanent magnet synchronous motor for oxygenerator - Google Patents
Permanent magnet synchronous motor for oxygenerator Download PDFInfo
- Publication number
- CN221103179U CN221103179U CN202322800788.1U CN202322800788U CN221103179U CN 221103179 U CN221103179 U CN 221103179U CN 202322800788 U CN202322800788 U CN 202322800788U CN 221103179 U CN221103179 U CN 221103179U
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- Prior art keywords
- permanent magnet
- winding
- magnet synchronous
- synchronous motor
- stator
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 41
- 239000003292 glue Substances 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model discloses a permanent magnet synchronous motor for an oxygenerator, which is a six-phase permanent magnet synchronous motor, wherein a stator adopts 72 slots, a rotor adopts 6-pole embedded distribution, permanent magnets are embedded into a permanent magnet notch formed in a rotor core, and the permanent magnets are fixed through the permanent magnet notch and glue; the stator winding is provided with two independent three-phase windings, the first winding and the second winding are alternately embedded into the stator slot, and the electrical angle difference between the first winding and the second winding is 30 degrees. According to the permanent magnet synchronous motor, the stator winding is provided with two independent three-phase windings, and the two-phase windings independently operate when the motor operates, so that the risk of short circuit of a circuit when the motor operates is reduced, and the reliability and the service life of the motor are greatly improved.
Description
Technical Field
The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a permanent magnet synchronous motor for an oxygenerator.
Background
Oxygenerator is a medical device for producing oxygen, and permanent magnet synchronous motors are typically used to drive the whole device. The permanent magnet synchronous motor is a motor with high efficiency, low noise and long service life, and is suitable for various industrial and medical equipment. The common three-phase permanent magnet synchronous motor lacks of an anti-short circuit design, and when the winding is in turn-to-turn short circuit, the short circuit current is large, so that huge damage is caused to the motor and equipment.
Disclosure of Invention
The utility model aims to provide a permanent magnet synchronous motor for an oxygenerator, wherein a first winding and a second winding are arranged in a stator of the permanent magnet synchronous motor, and the two windings are independently operated when the motor is operated, so that the risk of short circuit of the circuit when the motor is operated is reduced, and the reliability and the service life of the motor are greatly improved.
The technical scheme adopted for solving the technical problems is as follows: the permanent magnet synchronous motor is a six-phase permanent magnet synchronous motor, a stator adopts 72 grooves, a rotor adopts 6-pole embedded distribution, permanent magnets are embedded into a permanent magnet notch formed in a rotor core, and the permanent magnets are fixed through the permanent magnet notch and glue; the stator winding is provided with two independent three-phase windings, the first winding and the second winding are alternately embedded into the stator slot, and the electrical angle difference between the first winding and the second winding is 30 degrees.
The rotor is multi-section, and adjacent rotor cores are arranged according to corresponding oblique polar angles.
The oblique pole angle of the rotor is 5 degrees.
The beneficial effects of the invention are as follows:
According to the permanent magnet synchronous motor, the stator winding is provided with two independent three-phase windings, and the two phase windings independently operate when the motor operates, so that the risk of short circuit of the circuit when the motor operates is reduced, and the reliability and the service life of the motor are greatly improved.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a stator winding pattern;
In the figure, 1, a stator; 2. a permanent magnet; 3. a rotor; 4. a first winding; 5. and a second winding.
Description of the embodiments
The utility model is further described below in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.
As can be seen from fig. 1 and 2, the permanent magnet synchronous motor for the oxygenerator is a six-phase permanent magnet synchronous motor, a stator adopts 72 slots, a rotor adopts 6-pole embedded distribution, permanent magnets are embedded into permanent magnet slots formed in a rotor core, and permanent magnets are fixed through the permanent magnet slots and glue; the stator winding is provided with two independent three-phase windings, the first winding and the second winding are alternately embedded into the stator slot, and the electrical angle difference between the first winding and the second winding is 30 degrees.
The rotor uses a bevel pole structure, and the bevel pole angle is 5 degrees.
The motor has the advantages of 690V voltage, 1600KW power and 3400rpm rotation speed.
The processing process of the permanent magnet synchronous motor comprises the following steps:
Producing stator punching sheets, rotor punching sheets, coil assemblies and permanent magnet pairs according to specifications;
The stator is welded by argon arc welding, the formed first winding and second winding are alternately embedded into a stator groove, internal connecting wires are welded, and the stator is shaped, painted and baked;
Sequentially inserting permanent magnets into slots of permanent magnets of a rotor core according to the designed number of poles of the motor; the rotor iron cores are 4 sections in total, and adjacent rotor iron cores are arranged according to corresponding oblique polar angles.
The utility model optimizes the distribution of stator windings, effectively reduces electromagnetic interference, ensures that the motor has better electromagnetic performance, adopts a skewed pole structure for the rotor, has a skewed pole angle of 5 degrees, can effectively reduce cogging torque, reduces output torque fluctuation, improves the stable operation capability of the motor, independently operates two-phase windings when the motor operates, reduces the risk of circuit short circuit when the motor operates, and greatly improves the reliability and the service life of the motor.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, and these changes and modifications fall within the scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (3)
1. The permanent magnet synchronous motor for the oxygenerator is characterized in that the permanent magnet synchronous motor is a six-phase permanent magnet synchronous motor, a stator adopts 72 slots, a rotor adopts 6-pole embedded distribution, permanent magnets are embedded into a permanent magnet notch formed in a rotor core, and the permanent magnets are fixed through the permanent magnet notch and glue; the stator winding is provided with two independent three-phase windings, the first winding and the second winding are alternately embedded into the stator slot, and the electrical angle difference between the first winding and the second winding is 30 degrees.
2. The permanent magnet synchronous motor for an oxygenerator according to claim 1, wherein the rotor is multi-segmented, and adjacent rotor cores are arranged at corresponding oblique polar angles.
3. A permanent magnet synchronous motor for an oxygenerator according to claim 2, wherein the rotor has a bevel angle of 5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800788.1U CN221103179U (en) | 2023-10-19 | 2023-10-19 | Permanent magnet synchronous motor for oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800788.1U CN221103179U (en) | 2023-10-19 | 2023-10-19 | Permanent magnet synchronous motor for oxygenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221103179U true CN221103179U (en) | 2024-06-07 |
Family
ID=91315172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322800788.1U Active CN221103179U (en) | 2023-10-19 | 2023-10-19 | Permanent magnet synchronous motor for oxygenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221103179U (en) |
-
2023
- 2023-10-19 CN CN202322800788.1U patent/CN221103179U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |