CN112039236A - Axial rotor of axial gap type rotating electrical machine - Google Patents
Axial rotor of axial gap type rotating electrical machine Download PDFInfo
- Publication number
- CN112039236A CN112039236A CN201910476907.8A CN201910476907A CN112039236A CN 112039236 A CN112039236 A CN 112039236A CN 201910476907 A CN201910476907 A CN 201910476907A CN 112039236 A CN112039236 A CN 112039236A
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- magnetic element
- axial
- magnetic
- annular disc
- gap type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2793—Rotors axially facing stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/12—Transversal flux machines
Abstract
The invention discloses an axial rotor of an axial gap type rotating electrical machine, comprising: a ring-shaped disc structure and a plurality of magnetic element groups. The magnetic element groups are arranged on the annular disc body structure, and the magnetic element groups surround a central axis of the annular disc body structure and are arranged at intervals. Each magnetic element group comprises a first magnetic element and a second magnetic element adjacent to the first magnetic element, and a preset included angle between the first magnetic element and the second magnetic element is between 5 and 175 degrees. Therefore, the invention achieves the effect of increasing the reluctance torque.
Description
Technical Field
The present invention relates to a rotor, and more particularly to an axial rotor of an axial gap type rotating electrical machine.
Background
First, various axial gap type rotating electrical machines have been disclosed in the prior art to be suitable for high torque and/or high power applications. For example, in the "axial-flow gap type rotating electrical machine, the manufacturing method thereof, and the flywheel electric storage device" disclosed in the patent publication TW I562509, a plurality of rotor magnets are arranged in parallel to each other and attached to a rotor core.
However, there is still room for improvement in the arrangement of the rotor magnets of the patent publication TW I562509, and the plurality of rotor magnets are arranged in parallel to cause the flying-off when the rotor rotates at a high speed.
Therefore, how to overcome the above-mentioned drawbacks by improving the structural design has become one of the important issues to be solved by the industry.
Disclosure of Invention
The present invention is directed to an axial rotor of an axial gap type rotating electrical machine, which overcomes the disadvantages of the prior art.
In order to solve the above-mentioned technical problem, one of the technical solutions of the present invention is to provide an axial rotor of an axial gap type rotating electrical machine, including: the magnetic disc comprises an annular disc body structure, a plurality of first magnetic element groups and a plurality of second magnetic element groups. The plurality of first magnetic element groups are arranged on the annular disc body structure, and the plurality of first magnetic element groups surround a central axis of the annular disc body structure and are arranged at intervals, wherein each first magnetic element group comprises a first magnetic element and a second magnetic element adjacent to the first magnetic element, and a first preset included angle between 5 degrees and 175 degrees is formed between the first magnetic element and the second magnetic element. The plurality of second magnetic element groups are arranged on the annular disc body structure, the plurality of second magnetic element groups surround the central axis of the annular disc body structure and are arranged at intervals, one of the plurality of second magnetic element groups is arranged between two adjacent first magnetic element groups in the plurality of first magnetic element groups, each second magnetic element group comprises a third magnetic element and a fourth magnetic element adjacent to the third magnetic element, and a second preset included angle between 5 degrees and 175 degrees is formed between the third magnetic element and the fourth magnetic element.
Still further, the magnetic poles of the first magnetic element with respect to the annular disk body structure and the magnetic poles of the second magnetic element with respect to the annular disk body structure are identical to each other, the magnetic poles of the third magnetic element with respect to the annular disk body structure and the magnetic poles of the fourth magnetic element with respect to the annular disk body structure are identical to each other, and the magnetic poles of the first magnetic element with respect to the annular disk body structure and the magnetic poles of the third magnetic element with respect to the annular disk body structure are different from each other.
Furthermore, the first magnetic element, the second magnetic element, the third magnetic element and the fourth magnetic element are in a shape of a conical sheet.
Furthermore, the first magnetic element and the second magnetic element which are adjacent to each other are arranged at equal intervals, and the first magnetic element and the second magnetic element extend in a tapered manner towards the direction of the central axis; the third magnetic element and the fourth magnetic element are arranged at equal intervals, and extend in a tapered manner towards the direction of the central axis.
Further, a first concave portion facing a direction of an axial stator of an axial gap type rotating electric machine may be formed between the first magnetic element and the second magnetic element; wherein a second recess facing in a direction facing the axial stator of an axial gap type rotating electrical machine can be formed between the third magnetic element and the fourth magnetic element.
Furthermore, the annular disc body structure comprises a first annular disc body and a second annular disc body opposite to the first annular disc body, and a plurality of first magnetic element groups and a plurality of second magnetic element groups are arranged between the first annular disc body and the second annular disc body.
Furthermore, a first aperture is arranged between one side end of the first magnetic element and the second annular disc body, and a second aperture is arranged between one side end of the second magnetic element and the second annular disc body.
Furthermore, a third aperture is arranged between the other side end of the first magnetic element and the first annular disc body, and a fourth aperture is arranged between the other side end of the second magnetic element and the first annular disc body.
Furthermore, a fifth aperture is formed between one side end of the third magnetic element and the second annular disc, and a sixth aperture is formed between one side end of the fourth magnetic element and the second annular disc.
Furthermore, a seventh aperture is formed between the other side end of the third magnetic element and the first annular disc, and an eighth aperture is formed between the other side end of the second magnetic element and the first annular disc.
In order to solve the above-mentioned technical problem, another aspect of the present invention is to provide an axial rotor of an axial gap type rotating electrical machine, including: a ring-shaped disc structure and a plurality of magnetic element groups. The magnetic element groups are arranged on the annular disc body structure, and the magnetic element groups surround a central axis of the annular disc body structure and are arranged at intervals, wherein each magnetic element group comprises a first magnetic element and a second magnetic element adjacent to the first magnetic element, and a preset included angle between 5 degrees and 175 degrees is formed between the first magnetic element and the second magnetic element.
One of the advantages of the present invention is that the axial rotor of the axial gap type rotating electrical machine provided by the present invention can increase reluctance torque by the technical scheme that the first magnetic element and the second magnetic element have a predetermined included angle between 5 degrees and 175 degrees.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
Fig. 1 is a perspective view of an axial gap type rotating electrical machine according to an embodiment of the present invention.
Fig. 2 is another perspective view of an axial gap type rotating electrical machine according to an embodiment of the present invention.
Fig. 3 is a schematic side view of an axial gap type rotating electric machine according to an embodiment of the present invention.
Fig. 4 is another side view schematically showing an axial gap type rotating electric machine according to an embodiment of the present invention.
Fig. 5 is an exploded perspective view of an axial rotor of an axial gap type rotating electrical machine according to an embodiment of the present invention.
Fig. 6 is another exploded perspective view of the axial rotor of the axial gap type rotating electrical machine according to the embodiment of the present invention.
Fig. 7 is still another exploded perspective view of the axial rotor of the axial gap type rotating electrical machine according to the embodiment of the present invention.
Fig. 8 is a schematic side view of an axial rotor of an axial gap type rotating electrical machine according to an embodiment of the present invention.
Fig. 9 is another side view schematically showing an axial rotor of the axial gap type rotating electrical machine according to the embodiment of the present invention.
Fig. 10 is a further perspective view of an axial gap type rotating electric machine according to an embodiment of the present invention.
Fig. 11 is a perspective view of an axial stator of an axial gap type rotating electrical machine according to an embodiment of the present invention, the axial stator being provided with coils.
Detailed Description
The following is a description of the embodiments of the present disclosure relating to an axial rotor of an axial gap type rotating electrical machine, with specific embodiments, and those skilled in the art will understand the advantages and effects of the present disclosure from the disclosure of the present disclosure. The invention is capable of other and different embodiments and its several details are capable of modification and various other changes, which can be made in various details within the specification and without departing from the spirit and scope of the invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are used primarily to distinguish one element from another. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.
Examples
First, referring to fig. 1 and fig. 2, fig. 1 and fig. 2 are schematic perspective views of an axial gap type rotating electrical machine according to an embodiment of the present invention. The present invention provides an axial rotor U of an axial gap type rotating electrical machine M, that is, a rotor structure applicable to an axial motor. The axial gap type rotating electrical machine M may include a central shaft (not shown), at least one axial stator 4, and at least one axial rotor U. The axial rotor U may be disposed corresponding to the axial stator 4 such that the axial rotor U can rotate relative to the axial stator 4.
In view of the above, further, the axial rotor U may include: a ring-shaped disc structure 1 and a plurality of magnetic element groups. The plurality of magnetic element groups may be disposed on the annular disc structure 1, and the plurality of magnetic element groups surround a central axis C of the annular disc structure 1 and are disposed at intervals. It should be noted that, in the embodiment, the plurality of magnetic element groups including the plurality of first magnetic element groups 2 and the plurality of second magnetic element groups 3 are taken as an example, that is, the axial rotor U may include: a ring-shaped disc body structure 1, a plurality of first magnetic element groups 2 and a plurality of second magnetic element groups 3.
With reference to fig. 1 and 2, and fig. 3 to 7, fig. 3 and 4 are schematic side views of an axial gap type rotating electrical machine according to an embodiment of the present invention, and fig. 5 to 7 are schematic perspective exploded views of an axial rotor of an axial gap type rotating electrical machine according to an embodiment of the present invention. In detail, a plurality of first magnetic element groups 2 may be disposed on the annular disc body structure 1, and the plurality of first magnetic element groups 2 may surround a central axis C of the annular disc body structure 1 and be arranged at intervals. In addition, a plurality of second magnetic element groups 3 may be disposed on the annular disc body structure 1, and a plurality of second magnetic element groups 3 may surround the central axis C of the annular disc body structure 1 and be arranged at intervals. Further, one of the second magnetic element groups 3 of the plurality of second magnetic element groups 3 may be disposed between two adjacent first magnetic element groups 2 of the plurality of first magnetic element groups 2. In other words, the plurality of first magnetic element groups 2 and the plurality of second magnetic element groups 3 may be alternately disposed. It should be noted that, in the present invention, the structure of the first magnetic element group 2 may be the same as that of the second magnetic element group 3, but the present invention is not limited thereto.
In view of the above, referring to fig. 1 to 7, each of the first magnetic element sets 2 may include a first magnetic element 21 and a second magnetic element 22 adjacent to the first magnetic element 21. Each of the second magnetic elements 3 may include a third magnetic element 31 and a fourth magnetic element 32 adjacent to the third magnetic element 31. Further, the adjacent first magnetic elements 21 and the second magnetic elements 22 may be disposed at equal intervals, and the first magnetic elements 21 and the second magnetic elements 22 may extend in a tapered manner toward the central axis C, so that the first magnetic elements 21 and the second magnetic elements 22 may have a tapered sheet shape. In addition, the adjacent third magnetic elements 31 and fourth magnetic elements 32 may be disposed at equal intervals, and the third magnetic elements 31 and fourth magnetic elements 32 may extend in a tapered manner toward the central axis C, so that the third magnetic elements 31 and fourth magnetic elements 32 may have a tapered sheet shape. However, in other embodiments, the first magnetic element 21, the second magnetic element 22, the third magnetic element 31, and the fourth magnetic element 32 may be rectangular sheets, and the invention is not limited thereto.
As shown in fig. 1 to 7, for example, the annular disc structure 1 may include a first annular disc 11 and a second annular disc 12 opposite to the first annular disc 11, the plurality of first magnetic element groups 2 and the plurality of second magnetic element groups 3 may be disposed between the first annular disc 11 and the second annular disc 12, and the second annular disc 12 is closer to the axial stator 4 than the first annular disc 11. In one embodiment, instead of providing the second annular disk body 12, a plurality of first magnetic element groups 2 and a plurality of second magnetic element groups 3 may be provided on the first annular disk body 11, and the plurality of first magnetic element groups 2 and the plurality of second magnetic element groups 3 may be provided in a direction facing the axial stator 4.
In view of the above, referring to fig. 1 to 7, the first magnetic element 21 may further include a first surface 211 and a second surface 212 opposite to the first surface 211 and parallel to the first surface 211, the second magnetic element 22 may include a third surface 221 and a fourth surface 222 opposite to the third surface 221 and parallel to the third surface 221, the third magnetic element 31 may include a fifth surface 311 and a sixth surface 312 opposite to the fifth surface 311 and parallel to the fifth surface 311, and the fourth magnetic element 32 may include a seventh surface 321 and an eighth surface 322 opposite to the seventh surface 321 and parallel to the seventh surface 321. The first surface 211 of the first magnetic element 21 may abut against the first annular disc 11 and the second surface 212 of the first magnetic element 21 may abut against the second annular disc 12. The third surface 221 of the second magnetic element 22 may abut against the first annular disc 11 and the fourth surface 222 of the second magnetic element 22 may abut against the second annular disc 12. The fifth surface 311 of the third magnetic element 31 may abut against the first annular disc 11 and the sixth surface 312 of the third magnetic element 31 may abut against the second annular disc 12. The seventh surface 321 of the fourth magnetic element 32 may abut against the first annular disc 11 and the eighth surface 322 of the fourth magnetic element 32 may abut against the second annular disc 12.
As shown in fig. 1 to 7, a first aperture a1 may be formed between one side end of the first magnetic element 21 and the second annular disc 12, a second aperture a2 may be formed between one side end of the second magnetic element 22 and the second annular disc 12, a third aperture A3 may be formed between the other side end of the first magnetic element 21 and the first annular disc 11, and a fourth aperture a4 may be formed between the other side end of the second magnetic element 22 and the first annular disc 11. Therefore, the magnetic path direction can be improved by arranging the first aperture A1, the second aperture A2, the third aperture A3 and the fourth aperture A4. Further, a fifth aperture a5 may be provided between one side end of the third magnetic element 31 and the second annular disc 12, and a sixth aperture a6 may be provided between one side end of the fourth magnetic element 32 and the second annular disc 12. A seventh aperture a7 may be formed between the other side end of the third magnetic element 31 and the first annular disc 11, and an eighth aperture A8 may be formed between the other side end of the second magnetic element 22 and the first annular disc 11. Thereby, the magnetic path direction can be improved by the arrangement of the fifth aperture a5, the sixth aperture a6, the seventh aperture a7 and the eighth aperture A8.
Next, referring to fig. 8 and 9, fig. 8 and 9 are schematic side views of an axial rotor of an axial gap type rotating electrical machine according to an embodiment of the present invention. For the present invention, a first predetermined included angle θ 1 (or referred to as a predetermined included angle θ 1) between the first magnetic element 21 and the second magnetic element 22 may be between 5 degrees and 175 degrees, that is, a first predetermined included angle θ 1 may be between the second surface 212 of the first magnetic element 21 and the fourth surface 222 of the second magnetic element 22. Preferably, the first predetermined included angle θ 1 may be between 90 degrees and 160 degrees. In addition, a second predetermined included angle θ 2 between the third magnetic element 31 and the fourth magnetic element 32 may be between 5 degrees and 175 degrees, i.e., a second predetermined included angle θ 2 may be formed between the sixth surface 312 of the third magnetic element 31 and the eighth surface 322 of the fourth magnetic element 32. Preferably, the second predetermined included angle θ 2 may be between 90 degrees and 160 degrees.
In view of the above, referring to fig. 8 and 9, a first predetermined inclination angle α 1 between the first magnetic element 21 and a surface 110 of the first annular disc 11 may be between 2.5 degrees and 87.5 degrees, and preferably, the first predetermined inclination angle α 1 may be between 10 degrees and 45 degrees. In addition, the second magnetic element 22 and a surface 110 of the first annular disc 11 may have a second predetermined inclination angle α 2 between 2.5 degrees and 87.5 degrees, and preferably, the second predetermined inclination angle α 2 may be between 10 degrees and 45 degrees. In addition, the third magnetic element 31 and a surface 110 of the first annular disc 11 may have a third predetermined inclination angle α 3 between 2.5 degrees and 87.5 degrees, and preferably, the third predetermined inclination angle α 3 may be between 10 degrees and 45 degrees. In addition, the fourth magnetic element 32 and a surface 110 of the first annular disc 11 may have a fourth predetermined inclination angle α 4 between 2.5 degrees and 87.5 degrees, and preferably, the fourth predetermined inclination angle α 4 may be between 10 degrees and 45 degrees. Therefore, the arrangement between the first magnetic element 21 and the second magnetic element 22 can form a V-shape, and the arrangement between the third magnetic element 31 and the fourth magnetic element 32 can form a V-shape.
In view of the above, referring to fig. 8 and 9 again, the magnetic poles of the first magnetic element 21 relative to the annular disc structure 1 and the magnetic poles of the second magnetic element 22 relative to the annular disc structure 1 may be the same as each other, the magnetic poles of the third magnetic element 31 relative to the annular disc structure 1 and the magnetic poles of the fourth magnetic element 32 relative to the annular disc structure 1 may be the same as each other, and the magnetic poles of the first magnetic element 21 relative to the annular disc structure 1 and the magnetic poles of the third magnetic element 31 relative to the annular disc structure 1 may be different from each other. Also, for example, the magnetic pole adjacent to the first surface 211 of the first magnetic element 21 may be an S-pole, and the magnetic pole adjacent to the second surface 212 of the first magnetic element 21 may be an N-pole; the magnetic pole adjacent to the third surface 221 of the second magnetic element 22 can be an S-pole, and the magnetic pole adjacent to the fourth surface 222 of the second magnetic element 22 can be an N-pole. In addition, the magnetic pole adjacent to the fifth surface 311 of the third magnetic element 31 may be an N pole, and the magnetic pole adjacent to the sixth surface 312 of the third magnetic element 31 may be an S pole; the magnetic pole adjacent to the fifth surface 311 of the fourth magnetic element 32 can be an N-pole, and the magnetic pole adjacent to the sixth surface 312 of the fourth magnetic element 32 can be an S-pole, in other words, the magnetic poles of the first magnetic element group 2 and the second magnetic element group 3 can be different from each other. However, in other embodiments, the positions of the S pole and the N pole may be interchanged.
As shown in fig. 8 and 9, a first concave portion G1 can be formed between the first magnetic element 21 and the second magnetic element 22, and the first concave portion G1 can face a direction of an axial stator 4 of an axial gap type rotating electrical machine M. Further, a second concave portion G2 can be formed between the third magnetic element 31 and the fourth magnetic element 32, and the second concave portion G2 can face in a direction facing the axial stator 4 of the axial gap type rotating electrical machine M. In other words, the first recess G1 may be formed between the second surface 212 of the first magnetic element 21 and the fourth surface 222 of the second magnetic element 22, and the second recess G2 may be formed between the sixth surface 312 of the third magnetic element 31 and the eighth surface 322 of the fourth magnetic element 32.
Next, referring to fig. 10, fig. 10 is a further perspective view of an axial gap type rotating electrical machine according to an embodiment of the present invention. As can be seen from a comparison between fig. 10 and fig. 1, the embodiment of fig. 10 is the most different from the embodiment of fig. 1 in that, in the embodiment of fig. 10, two axial stators 4 and two axial rotors U are provided, and the two axial stators 4 may be located between the two axial rotors U. Further, as shown in fig. 11, fig. 11 is a perspective view of an axial stator of an axial gap type rotating electrical machine according to an embodiment of the present invention, the axial stator being provided with coils. The axial gap type rotating electrical machine M may further include a coil 5, and the coil 5 may be wound on the axial stator 4.
Advantageous effects of the embodiments
One of the benefits of the present invention is that the axial rotor U of the axial gap type rotating electrical machine M provided by the present invention can increase reluctance torque and improve efficiency and performance of the axial gap type rotating electrical machine M by the technical scheme that the first magnetic element 21 and the second magnetic element 22 have a predetermined included angle α 1 between 5 degrees and 175 degrees. In addition, the technical scheme can also solve the problem that the magnet is broken off due to the centrifugal force and vibration of the rotation of the rotor in the rotor with the surface adhered with the magnet in the prior art.
The disclosure is only a preferred embodiment of the invention, and is not intended to limit the scope of the claims, so that all technical equivalents and modifications using the contents of the specification and drawings are included in the scope of the claims.
Claims (11)
1. An axial rotor of an axial gap type rotating electrical machine, characterized by comprising:
an annular disc structure;
a plurality of first magnetic element groups, wherein the plurality of first magnetic element groups are arranged on the annular disc body structure, surround a central axis of the annular disc body structure and are arranged at intervals, each first magnetic element group comprises a first magnetic element and a second magnetic element adjacent to the first magnetic element, and a first preset included angle between 5 degrees and 175 degrees is formed between the first magnetic element and the second magnetic element; and
the magnetic disc comprises a plurality of second magnetic element groups, wherein the second magnetic element groups are arranged on the annular disc body structure, the second magnetic element groups surround the central axis of the annular disc body structure and are arranged at intervals, one of the second magnetic element groups is arranged between two adjacent first magnetic element groups in the first magnetic element groups, each second magnetic element group comprises a third magnetic element and a fourth magnetic element adjacent to the third magnetic element, and a second preset included angle between 5 degrees and 175 degrees is formed between the third magnetic element and the fourth magnetic element.
2. The axial rotor of an axial gap type rotary electric machine according to claim 1, wherein the magnetic poles of the first magnetic element with respect to the annular disk body structure and the magnetic poles of the second magnetic element with respect to the annular disk body structure are identical to each other, the magnetic poles of the third magnetic element with respect to the annular disk body structure and the magnetic poles of the fourth magnetic element with respect to the annular disk body structure are identical to each other, and the magnetic poles of the first magnetic element with respect to the annular disk body structure and the magnetic poles of the third magnetic element with respect to the annular disk body structure are different from each other.
3. The axial rotor of an axial gap type rotating electrical machine according to claim 1, wherein the first magnetic element, the second magnetic element, the third magnetic element, and the fourth magnetic element are in a tapered sheet shape.
4. The axial rotor of an axial gap type rotating electrical machine according to claim 1, wherein the first magnetic element and the second magnetic element which are adjacent to each other are arranged at equal intervals, and the first magnetic element and the second magnetic element extend in a tapered manner in a direction toward the center axis; the third magnetic element and the fourth magnetic element are arranged at equal intervals, and extend in a tapered manner towards the direction of the central axis.
5. The axial rotor of an axial gap type rotating electrical machine according to claim 1, wherein a first recess facing a direction of an axial stator of an axial gap type rotating electrical machine is formable between the first magnetic element and the second magnetic element; wherein a second recess facing in a direction facing the axial stator of an axial gap type rotating electrical machine can be formed between the third magnetic element and the fourth magnetic element.
6. The axial rotor of an axial gap type rotary electric machine according to claim 1, wherein the annular disk body structure includes a first annular disk body and a second annular disk body opposed to the first annular disk body, and a plurality of first magnetic element groups and a plurality of second magnetic element groups are provided between the first annular disk body and the second annular disk body.
7. The axial rotor of an axial gap type rotary electric machine according to claim 6, wherein a first aperture is provided between one of side ends of the first magnetic element and the second annular disc, and a second aperture is provided between one of side ends of the second magnetic element and the second annular disc.
8. The axial rotor of an axial gap type rotary electric machine according to claim 6, wherein a third aperture is provided between the other side end of the first magnetic element and the first annular disc, and a fourth aperture is provided between the other side end of the second magnetic element and the first annular disc.
9. The axial rotor of an axial gap type rotary electric machine according to claim 6, wherein a fifth aperture is provided between one of side ends of the third magnetic element and the second annular disc, and a sixth aperture is provided between one of side ends of the fourth magnetic element and the second annular disc.
10. The axial rotor of an axial gap type rotary electric machine according to claim 6, wherein a seventh aperture is provided between the other side end of the third magnetic element and the first annular disc, and an eighth aperture is provided between the other side end of the second magnetic element and the first annular disc.
11. An axial rotor of an axial gap type rotating electrical machine, characterized by comprising:
an annular disc structure; and
the magnetic elements are arranged on the annular disc body structure and surround a central axis of the annular disc body structure and are arranged at intervals, each magnetic element group comprises a first magnetic element and a second magnetic element adjacent to the first magnetic element, and a preset included angle between 5 degrees and 175 degrees is formed between the first magnetic element and the second magnetic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476907.8A CN112039236A (en) | 2019-06-03 | 2019-06-03 | Axial rotor of axial gap type rotating electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476907.8A CN112039236A (en) | 2019-06-03 | 2019-06-03 | Axial rotor of axial gap type rotating electrical machine |
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| CN112039236A true CN112039236A (en) | 2020-12-04 |
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| CN201910476907.8A Pending CN112039236A (en) | 2019-06-03 | 2019-06-03 | Axial rotor of axial gap type rotating electrical machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021130152A1 (en) | 2021-11-18 | 2023-05-25 | Audi Aktiengesellschaft | Rotor for an axial flux permanent magnet synchronous machine and axial flux permanent magnet synchronous machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012022084A1 (en) * | 2012-11-09 | 2014-05-15 | Volkswagen Aktiengesellschaft | Rotor assembly for electrical machine, has laminated plate stacks having positioning units positioned at axial end surfaces in juxtaposition at joining of two axially adjacent laminated plate stacks |
| CN108233568A (en) * | 2016-12-15 | 2018-06-29 | 姚常勤 | A kind of disk type electric motor rotor of embedded magnetic pole |
-
2019
- 2019-06-03 CN CN201910476907.8A patent/CN112039236A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012022084A1 (en) * | 2012-11-09 | 2014-05-15 | Volkswagen Aktiengesellschaft | Rotor assembly for electrical machine, has laminated plate stacks having positioning units positioned at axial end surfaces in juxtaposition at joining of two axially adjacent laminated plate stacks |
| CN108233568A (en) * | 2016-12-15 | 2018-06-29 | 姚常勤 | A kind of disk type electric motor rotor of embedded magnetic pole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021130152A1 (en) | 2021-11-18 | 2023-05-25 | Audi Aktiengesellschaft | Rotor for an axial flux permanent magnet synchronous machine and axial flux permanent magnet synchronous machine |
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