CN114285241A - Winding-free disc type motor - Google Patents
Winding-free disc type motor Download PDFInfo
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- CN114285241A CN114285241A CN202210213625.0A CN202210213625A CN114285241A CN 114285241 A CN114285241 A CN 114285241A CN 202210213625 A CN202210213625 A CN 202210213625A CN 114285241 A CN114285241 A CN 114285241A
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- disc
- stator
- rotor assembly
- magnetic steel
- generator
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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 invention relates to a winding-free disc type motor, and belongs to the field of generators. The stator assembly in the motor is fixed inside the shell of the generator; the central through hole of the first rotor component, the central through hole of the stator component and the central through hole of the second rotor component are sequentially penetrated by the central shaft; the first rotor assembly and the second rotor assembly are rotationally connected with the stator assembly; the first rotor assembly and the second rotor assembly are fixedly connected with the central shaft; the stator assembly includes: the stator disc, the insulating ring and the wiring terminal; the center of the stator disc is provided with a central through hole, and gaps are uniformly formed along the circumference, so that the stator disc is uniformly divided into a plurality of sector areas; each sector area is connected into a whole at the center of the stator disc; the wiring terminal is fixed on the stator disc; the connecting terminal is used for connecting the metal cables led out from each sector area; the insulating ring is fixedly connected with the stator disc and arranged at the bottom of the stator disc. The invention has the characteristics of simple structure and high power density.
Description
Technical Field
The invention relates to the field of generators, in particular to a winding-free disc type motor.
Background
With the development of motor technology, some disadvantages of a cylindrical motor are recognized, for example, the power density is low, the cooling is difficult, and the like, a disc motor is used as a motor with a special structure, and the disc motor adopts axial magnetic flux, has high power density and good heat dissipation effect, but has the problems of complex structure, complex processing technology and the like, and particularly, the motor contains a stator/rotor with windings, the wiring is complex, and the procedures of lamination, riveting and the like are required.
Therefore, it is desirable to provide a winding-less disc motor with a simple structure and high power density.
Disclosure of Invention
The invention aims to provide a winding-free disc type motor which has the characteristics of simple structure and high power density.
In order to achieve the purpose, the invention provides the following scheme:
a windless disc motor comprising: the rotor assembly comprises a stator assembly, a first rotor assembly, a second rotor assembly, a central shaft and a generator shell;
the stator assembly is fixed inside the generator shell; the central through hole of the first rotor assembly, the central through hole of the stator assembly and the central through hole of the second rotor assembly are sequentially penetrated by the central shaft; the first rotor assembly and the second rotor assembly are both in rotating connection with the stator assembly; the first rotor assembly and the second rotor assembly are both fixedly connected with the central shaft;
the stator assembly includes: the stator disc, the insulating ring and the wiring terminal;
the center of the stator disc is provided with a central through hole, and gaps are uniformly formed along the circumference, so that the stator disc is uniformly divided into a plurality of sector areas; each sector area is connected into a whole at the center of the stator disc;
the wiring terminal is fixed on the stator disc; the wiring terminals are used for connecting metal cables led out from each sector area;
the insulating ring is fixedly connected with the stator disc and arranged at the bottom of the stator disc.
Optionally, the stator disc is a copper disc or a silver disc.
Optionally, the first and second rotor assemblies each comprise: a magnetic steel holding disk and magnetic steel;
the magnetic steel is fixed on the magnetic steel holding disc.
Optionally, the magnetic steel includes: 4 fan-shaped permanent magnets;
each fan-shaped permanent magnet is sequentially arranged on the magnetic steel holding disc according to the N pole and the S pole; the fan-shaped permanent magnets are separated by stainless steel sheets;
the magnetic poles of the sector permanent magnets of the magnetic steel in the first rotor assembly and the magnetic steel in the second rotor assembly are oppositely arranged.
Optionally, the fan-shaped permanent magnet and the stainless steel sheet are adhered to the magnetic steel retaining disc through magnetic steel glue.
Optionally, the material of the magnetic steel holding disc is iron.
Optionally, the central shaft is in a cantilevered support arrangement.
Optionally, the generator housing comprises: the generator comprises a generator lower shell, a generator upper shell and a Glan head;
the lower generator shell is connected with the upper generator shell through a bolt;
the gland head is arranged on the outer surface of the upper shell of the generator;
the Glan head is used for connecting a metal cable led out from the wiring terminal.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a winding-free disc type motor.A central through hole is formed in the center of a stator disc, and gaps are uniformly formed along the circumference, so that the stator disc is uniformly divided into a plurality of sector areas; each sector area is connected into a whole at the center of the stator disc; the wiring terminal is fixed on the stator disc; the wiring terminals are used for connecting metal cables led out from each sector area; the insulating ring is fixedly connected with the stator disc and arranged at the bottom of the stator disc, namely, the traditional winding type generator stator is replaced, the processing technology is simple, and the production is convenient. The stator assembly, the first rotor assembly and the second rotor assembly are compact in structure, so that the axial size of the motor is short, the structure is compact, and the power density of the motor is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a winding-free disc motor according to the present invention;
fig. 2 is an exploded view of a windless disc motor according to the present invention;
FIG. 3 is a schematic view of a stator plate structure;
FIG. 4 is an enlarged view of a portion of the stator plate;
FIG. 5 is a schematic view of a rotor permanent magnet arrangement;
fig. 6 is a schematic view of an assembled disc generator without a winding.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a winding-free disc type motor which has the characteristics of simple structure and high power density.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a schematic structural diagram of a winding-less disc motor provided by the present invention, fig. 2 is an exploded schematic diagram of a winding-less disc motor provided by the present invention, fig. 6 is an assembled schematic diagram of a winding-less disc generator, as shown in fig. 1, fig. 2 and fig. 6, a winding-less disc motor provided by the present invention includes: a stator assembly a, a first rotor assembly B1, a second rotor assembly B2, a central shaft C, and a generator housing D;
the stator assembly A is fixed inside the generator shell D; the central through hole of the first rotor assembly B1, the central through hole of the stator assembly A and the central through hole of the second rotor assembly B2 are sequentially penetrated by the central shaft C; the first rotor assembly B1 and the second rotor assembly B2 are both in rotational connection with the stator assembly A; the first rotor assembly B1 and the second rotor assembly B2 are both fixedly connected with the central shaft C;
as shown in fig. 3 and 4, the stator assembly a includes: the stator disc 4, the insulating ring 5 and the wiring terminal 3;
a central through hole is formed in the center of the stator disc 4, and gaps are uniformly formed along the circumference, so that the stator disc 4 is uniformly divided into a plurality of sector areas; each sector area is connected into a whole at the center of the stator disc 4;
the wiring terminal 3 is fixed on the stator disc 4; the wiring terminal 3 is used for connecting a metal cable led out from each sector area;
the insulating ring 5 is fixedly connected with the stator disc 4 and arranged at the bottom of the stator disc 4.
The insulating ring 5 is made of an insulating material, and the insulating ring 5 is used for insulating each wiring terminal 3 and a metal cable on the wiring terminal 3 and preventing the copper disc from rotating.
The stator disc 4 is made of a metal material with good conductivity;
as a specific example, the stator plate 4 is a copper plate or a silver plate.
The first and second rotor assemblies B1 and B2 each include: magnetic steel holding disk 1 (7) and magnetic steel 2 (6);
the magnetic steel 2 (6) is fixed on the magnetic steel holding plate 1 (7). The magnetic steel holding disc 1 (7) is used for fixing the magnetic steel 2 (6) and conducting magnetism.
The magnetic steel 2 (6) comprises: 4 fan-shaped permanent magnets;
each fan-shaped permanent magnet is sequentially arranged on the magnetic steel holding disc 1 according to the N pole and the S pole; the sector permanent magnets are separated by stainless steel sheets 10 (11); stainless steel sheet 10 (11) is for magnetic isolation.
As shown in fig. 5, the magnetic poles of the sector permanent magnets of the magnetic steel 2 in the first rotor assembly B1 and the magnetic steel 2 in the second rotor assembly B2 are oppositely arranged.
The fan-shaped permanent magnet and the stainless steel sheet are adhered to the magnetic steel retaining disc 1 through the magnetic steel 2.
The magnetic steel holding disc 1 is made of iron.
The central shaft C is in a cantilever support arrangement mode. The torque input end of the central shaft C is fixedly connected with the crankshaft of the engine or directly integrated with the crankshaft of the engine. The central shaft C is fixedly connected with the first rotor assembly B1 through a spline, fixedly connected with the second rotor assembly B2 through a bolt, and connected with the stator assembly A through a bearing.
The generator housing D includes: a generator lower shell 8, a generator upper shell 9 and a glan head 12;
the lower generator shell 8 is connected with the upper generator shell 9 through bolts;
the glan head 12 is mounted on the outer surface of the generator upper shell 9;
the glan head 12 is used for connecting a metal cable led out from the connection terminal 3.
As a specific example, the stator disc 4 and the insulating ring 5 are bolted to the generator lower casing 8.
Compared with other winding type disc motors, the invention adopts the copper disc with a special structure to replace the stator of the traditional winding type generator, thereby greatly reducing the rotor quality; meanwhile, the stator component A and the rotor component have compact structure, the motor has short axial dimension and compact structure, the power density of the motor is improved,
the invention adopts the copper disc with a special structure as the generator stator, has simple processing technology and is convenient for production.
The central shaft C of the invention adopts a cantilever support arrangement mode, is convenient to disassemble and the motor is easy to maintain.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A windless disc motor comprising: the rotor assembly comprises a stator assembly, a first rotor assembly, a second rotor assembly, a central shaft and a generator shell;
the stator assembly is fixed inside the generator shell; the central through hole of the first rotor assembly, the central through hole of the stator assembly and the central through hole of the second rotor assembly are sequentially penetrated by the central shaft; the first rotor assembly and the second rotor assembly are both in rotating connection with the stator assembly; the first rotor assembly and the second rotor assembly are both fixedly connected with the central shaft;
the stator assembly includes: the stator disc, the insulating ring and the wiring terminal;
the center of the stator disc is provided with a central through hole, and gaps are uniformly formed along the circumference, so that the stator disc is uniformly divided into a plurality of sector areas; each sector area is connected into a whole at the center of the stator disc;
the wiring terminal is fixed on the stator disc; the wiring terminals are used for connecting metal cables led out from each sector area;
the insulating ring is fixedly connected with the stator disc and arranged at the bottom of the stator disc.
2. A wound-free disc electric motor according to claim 1, wherein the stator discs are copper or silver discs.
3. A windless disc electric machine as claimed in claim 1, wherein the first and second rotor assemblies each comprise: a magnetic steel holding disk and magnetic steel;
the magnetic steel is fixed on the magnetic steel holding disc.
4. A wound-free disc electric motor according to claim 3, wherein the magnetic steel comprises: 4 fan-shaped permanent magnets;
each fan-shaped permanent magnet is sequentially arranged on the magnetic steel holding disc according to the N pole and the S pole; the fan-shaped permanent magnets are separated by stainless steel sheets;
the magnetic poles of the sector permanent magnets of the magnetic steel in the first rotor assembly and the magnetic steel in the second rotor assembly are oppositely arranged.
5. A wound-free disc electric motor as claimed in claim 4, wherein the permanent magnets and stainless steel plates are bonded to the magnetic steel retaining disc by magnetic steel adhesive.
6. A wound-free disc electric motor as claimed in claim 3, wherein the material of the magnetic steel retaining disc is iron.
7. A wound-free disc electric motor according to claim 1, wherein the central shaft is in a cantilevered support arrangement.
8. A windless disc motor as defined in claim 1, wherein the generator housing comprises: the generator comprises a generator lower shell, a generator upper shell and a Glan head;
the lower generator shell is connected with the upper generator shell through a bolt;
the gland head is arranged on the outer surface of the upper shell of the generator;
the Glan head is used for connecting a metal cable led out from the wiring terminal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210213625.0A CN114285241B (en) | 2022-03-07 | 2022-03-07 | No winding formula disk motor |
Applications Claiming Priority (1)
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CN202210213625.0A CN114285241B (en) | 2022-03-07 | 2022-03-07 | No winding formula disk motor |
Publications (2)
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CN114285241A true CN114285241A (en) | 2022-04-05 |
CN114285241B CN114285241B (en) | 2022-05-17 |
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CN202210213625.0A Active CN114285241B (en) | 2022-03-07 | 2022-03-07 | No winding formula disk motor |
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Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58190257A (en) * | 1982-04-27 | 1983-11-07 | Matsushita Electric Ind Co Ltd | Manufacture of motor stator |
EP0748031A2 (en) * | 1995-06-07 | 1996-12-11 | Kollmorgen Corporation | Axial airgap brushless electric motor |
JP2004048859A (en) * | 2002-07-09 | 2004-02-12 | Mitsui Chemicals Inc | Thin shape, highly efficient motor or laminate for generator, and motor or generator |
JP2006042534A (en) * | 2004-07-28 | 2006-02-09 | Toyota Central Res & Dev Lab Inc | Iron core coil, armature, and their manufacturing method |
US20060290229A1 (en) * | 2005-06-20 | 2006-12-28 | Yi-Yin Lin | Small generator with collective multiple magnetic poles |
CN201113578Y (en) * | 2007-09-05 | 2008-09-10 | 浙江浙大宇恒科技发展有限公司 | Surface motor stator disk subassembly |
JP4309962B1 (en) * | 2009-01-20 | 2009-08-05 | 哲夫 岡本 | Electric motor |
US20110133589A1 (en) * | 2008-05-07 | 2011-06-09 | Chao Bi | Low profile permanent magnet synchronous motor with segment structure |
JP2012161135A (en) * | 2011-01-31 | 2012-08-23 | Hitachi Koki Co Ltd | Disk motor and electric working machine |
EP2869433A1 (en) * | 2013-10-30 | 2015-05-06 | SC BMEnergy SRL | Axial flux permanent magnet electrical machine with magnetic flux concentration |
CN204741386U (en) * | 2015-06-23 | 2015-11-04 | 江西理工大学 | Birotor axial magnetic circuit machinery becomes magnetic flow permanent -magnet type synchronous machine |
CN210724516U (en) * | 2019-08-20 | 2020-06-09 | 黄向阳 | Double-stator single-rotor disc type permanent magnet motor |
CN111509939A (en) * | 2020-04-20 | 2020-08-07 | 北京理工大学 | Integrated axial magnetic flux disc type generator |
-
2022
- 2022-03-07 CN CN202210213625.0A patent/CN114285241B/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58190257A (en) * | 1982-04-27 | 1983-11-07 | Matsushita Electric Ind Co Ltd | Manufacture of motor stator |
EP0748031A2 (en) * | 1995-06-07 | 1996-12-11 | Kollmorgen Corporation | Axial airgap brushless electric motor |
JP2004048859A (en) * | 2002-07-09 | 2004-02-12 | Mitsui Chemicals Inc | Thin shape, highly efficient motor or laminate for generator, and motor or generator |
JP2006042534A (en) * | 2004-07-28 | 2006-02-09 | Toyota Central Res & Dev Lab Inc | Iron core coil, armature, and their manufacturing method |
US20060290229A1 (en) * | 2005-06-20 | 2006-12-28 | Yi-Yin Lin | Small generator with collective multiple magnetic poles |
CN201113578Y (en) * | 2007-09-05 | 2008-09-10 | 浙江浙大宇恒科技发展有限公司 | Surface motor stator disk subassembly |
US20110133589A1 (en) * | 2008-05-07 | 2011-06-09 | Chao Bi | Low profile permanent magnet synchronous motor with segment structure |
JP4309962B1 (en) * | 2009-01-20 | 2009-08-05 | 哲夫 岡本 | Electric motor |
JP2012161135A (en) * | 2011-01-31 | 2012-08-23 | Hitachi Koki Co Ltd | Disk motor and electric working machine |
EP2869433A1 (en) * | 2013-10-30 | 2015-05-06 | SC BMEnergy SRL | Axial flux permanent magnet electrical machine with magnetic flux concentration |
CN204741386U (en) * | 2015-06-23 | 2015-11-04 | 江西理工大学 | Birotor axial magnetic circuit machinery becomes magnetic flow permanent -magnet type synchronous machine |
CN210724516U (en) * | 2019-08-20 | 2020-06-09 | 黄向阳 | Double-stator single-rotor disc type permanent magnet motor |
CN111509939A (en) * | 2020-04-20 | 2020-08-07 | 北京理工大学 | Integrated axial magnetic flux disc type generator |
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