CN210724337U - Hybrid excitation switched reluctance motor for ship boiler - Google Patents
Hybrid excitation switched reluctance motor for ship boiler Download PDFInfo
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- CN210724337U CN210724337U CN201922099727.0U CN201922099727U CN210724337U CN 210724337 U CN210724337 U CN 210724337U CN 201922099727 U CN201922099727 U CN 201922099727U CN 210724337 U CN210724337 U CN 210724337U
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Abstract
The utility model provides a mix excitation switched reluctance motor for boats and ships boiler belongs to the motor field, the utility model discloses a solve the problem that conventional switched reluctance motor torque is low and can't be applied to among the driving system of boats and ships boiler. The utility model discloses a motor includes a stator and a rotor, the stator is arranged outside the rotor, and a radial air gap is arranged between the stator and the rotor; the stator comprises a stator core and 12 stator teeth, 12 stator teeth are arranged on the inner circular surface of the stator core, and 10 rotor teeth are arranged on the outer circular surface of the rotor; each stator tooth is provided with an excitation winding, and the winding directions of the excitation windings on two adjacent stator teeth are opposite; two adjacent stator teeth together wind an armature winding; the tooth top and the tooth root of each stator tooth are provided with a group of permanent magnet groups with the same magnetizing directions, and the magnetizing directions of the permanent magnet groups arranged on two adjacent stator teeth are opposite.
Description
Technical Field
The utility model belongs to the motor field relates to a switched reluctance motor body structure.
Background
The switched reluctance motor is used as a novel speed regulation driving system, and the switched reluctance motor is increasingly accepted and applied by people due to simple structure, low cost, high efficiency, excellent speed regulation performance and flexible controllability. The motor speed regulation system is successfully applied to the fields of driving systems for electric vehicles, household appliances, industrial applications, servo systems, high-speed driving, aerospace and the like, and becomes a powerful competitor of alternating current motor speed regulation systems, direct current motor speed regulation systems and brushless direct current motor speed regulation systems.
The conventional switched reluctance motor generally adopts a salient pole structure for both a stator and a rotor. By sequentially energizing the stator field windings, the stator poles interact with the rotor poles to produce torque. However, the conventional switched reluctance motor has low output torque due to the fact that the rotor of the conventional switched reluctance motor does not have a permanent magnet, and therefore the conventional switched reluctance motor cannot be applied to a power system of a ship boiler.
Disclosure of Invention
The utility model discloses the purpose is in order to solve the problem among the conventional switched reluctance motor torque low and can't be applied to the driving system of boats and ships boiler, provides a hybrid excitation switched reluctance motor for boats and ships boiler.
The utility model relates to a mixed excitation switched reluctance motor for ship boiler, which comprises a stator 1 and a rotor 2, wherein the stator 1 is arranged outside the rotor 2, and a radial air gap is arranged between the stator 1 and the rotor 2; the stator 1 comprises a stator core 1-1 and 12 stator teeth 1-2, 12 stator teeth 1-2 are arranged on the inner circular surface of the stator core 1-1, and 10 rotor teeth are arranged on the outer circular surface of the rotor 2;
each stator tooth 1-2 is provided with an excitation winding 3, and the winding directions of the excitation windings 3 on two adjacent stator teeth 1-2 are opposite; two adjacent stator teeth 1-2 together wind an armature winding 4;
the tooth top and the tooth root of each stator tooth 1-2 are respectively provided with a group of permanent magnet groups 5 with the same magnetizing direction, and the magnetizing directions of the permanent magnet groups 5 arranged on two adjacent stator teeth 1-2 are opposite.
Preferably, 12 excitation windings 3 are connected in series.
Preferably, 6 armature windings 4 constitute a three-phase symmetrical winding.
Preferably, the tooth tips of the stator teeth 1-2 fix the permanent magnet group 5 by the direction of surface adhesion.
Preferably, the permanent magnet group 5 at the root of the stator tooth 1-2 is fixed by embedding, and the permanent magnet group 5 is positioned at the root of the stator core 1-1 close to the stator tooth 1-2.
Preferably, the permanent magnet group 5 is formed by juxtaposing two permanent magnet monomers with the same magnetizing direction, and the magnetizing direction is radial.
The utility model has the advantages that: the motor has the characteristics of low manufacturing cost, simple rotor structure, good fault-tolerant performance, high reliability and safety, adjustable magnetic field, high thrust density, direct drive and the like. The motor is hybrid excitation, and the output torque is increased due to large magnetic flux after superposition, so that the requirement of the ship boiler on the high output torque of the motor is met.
Drawings
Fig. 1 is a schematic structural diagram of a hybrid excitation switched reluctance motor for a ship boiler.
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so as to solve the technical problems by applying technical means to the present invention, and to fully understand and implement the technical effects of the present invention. It should be noted that, as long as no conflict is formed, the embodiments and the features in the embodiments of the present invention may be combined with each other, and the technical solutions formed are all within the scope of the present invention.
First embodiment, the present embodiment is described below with reference to fig. 1, and the hybrid excitation switched reluctance motor for a marine boiler according to the present embodiment is characterized by comprising a stator 1 and a rotor 2, wherein the stator 1 is arranged outside the rotor 2, and a radial air gap is formed between the stator 1 and the rotor 2; the stator 1 comprises a stator core 1-1 and 12 stator teeth 1-2, 12 stator teeth 1-2 are arranged on the inner circular surface of the stator core 1-1, and 10 rotor teeth are arranged on the outer circular surface of the rotor 2;
each stator tooth 1-2 is provided with an excitation winding 3, and the winding directions of the excitation windings 3 on two adjacent stator teeth 1-2 are opposite; the 12 excitation windings 3 are connected in series.
Two adjacent stator teeth 1-2 together wind an armature winding 4; the 6 armature windings 4 constitute three-phase symmetrical windings.
The tooth top and the tooth root of each stator tooth 1-2 are respectively provided with a group of permanent magnet groups 5 with the same magnetizing direction, and the magnetizing directions of the permanent magnet groups 5 arranged on two adjacent stator teeth 1-2 are opposite.
The tooth tops of the stator teeth 1-2 fix the permanent magnet group 5 through the surface pasting direction.
The permanent magnet group 5 at the tooth root of the stator tooth 1-2 is fixed in an embedding mode, and the permanent magnet group 5 is positioned at the root part of the stator iron core 1-1 close to the stator tooth 1-2.
The permanent magnet group 5 is formed by two permanent magnet monomers with the same magnetizing direction in parallel, and the magnetizing direction is radial.
Referring to fig. 1, an excitation winding 3 and an armature winding 4 are wound on stator teeth 1-2 to form a three-phase structure, output torque comprises superposition output of electro-magnetic flux and permanent-magnetic flux, and the switched reluctance motor with the increased torque can be used as a power system of a marine boiler, so that the marine boiler can be applied to the switched reluctance motor with high control precision and reliable operation.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be apparent to persons skilled in the relevant art that various changes in form and detail can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A hybrid excitation switched reluctance motor for a ship boiler is characterized by comprising a stator (1) and a rotor (2), wherein the stator (1) is arranged outside the rotor (2), and a radial air gap is formed between the stator and the rotor; the stator (1) comprises a stator core (1-1) and 12 stator teeth (1-2), 12 stator teeth (1-2) are arranged on the inner circular surface of the stator core (1-1), and 10 rotor teeth are arranged on the outer circular surface of the rotor (2);
each stator tooth (1-2) is provided with an excitation winding (3), and the winding directions of the excitation windings (3) on two adjacent stator teeth (1-2) are opposite; two adjacent stator teeth (1-2) together wind an armature winding (4);
the tooth top and the tooth root of each stator tooth (1-2) are respectively provided with a group of permanent magnet groups (5) with the same magnetizing direction, and the magnetizing directions of the permanent magnet groups (5) arranged on two adjacent stator teeth (1-2) are opposite.
2. A hybrid excitation switched reluctance machine for a marine boiler, according to claim 1, characterized in that 12 excitation windings (3) are connected in series.
3. A hybrid excitation switched reluctance machine for a marine boiler according to claim 2, characterized in that 6 armature windings (4) constitute a three-phase symmetrical winding.
4. The hybrid excitation switched reluctance motor for a marine boiler according to claim 1, wherein the tooth tips of the stator teeth (1-2) fix the permanent magnet groups (5) by the direction of surface adhesion.
5. A hybrid excitation switched reluctance machine for a marine boiler according to claim 4, characterized in that the permanent magnet group (5) of the tooth root of the stator tooth (1-2) is fixed by means of embedment and that the permanent magnet group (5) is located at the root of the stator core (1-1) near the stator tooth (1-2).
6. The hybrid excitation switched reluctance motor for the marine boiler according to claim 5, wherein the permanent magnet group (5) is formed by juxtaposing two permanent magnet units having the same magnetizing direction, and the magnetizing direction is radial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099727.0U CN210724337U (en) | 2019-11-29 | 2019-11-29 | Hybrid excitation switched reluctance motor for ship boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099727.0U CN210724337U (en) | 2019-11-29 | 2019-11-29 | Hybrid excitation switched reluctance motor for ship boiler |
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| Publication Number | Publication Date |
|---|---|
| CN210724337U true CN210724337U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922099727.0U Active CN210724337U (en) | 2019-11-29 | 2019-11-29 | Hybrid excitation switched reluctance motor for ship boiler |
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| CN (1) | CN210724337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542903A (en) * | 2020-11-13 | 2021-03-23 | 南京航空航天大学 | Three-phase hybrid excitation doubly salient motor structure |
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2019
- 2019-11-29 CN CN201922099727.0U patent/CN210724337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542903A (en) * | 2020-11-13 | 2021-03-23 | 南京航空航天大学 | Three-phase hybrid excitation doubly salient motor structure |
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