TWI711246B - Axial rotor of axial gap type electrical rotation machine - Google Patents

Abstract

The present invention provides an axial rotor of axial gap type electrical rotation machine including an annular disc-shaped structure and a plurality of magnetic element groups. The plurality of magnetic element groups is disposed on the annular disc-shaped structure, and the plurality of magnetic element groups are arranged around a central axis of the annular disc-shaped structure and arranged at intervals. Each magnetic element group includes a first magnetic element and a second magnetic element adjacent to the first magnetic element. The first magnetic element and the second magnetic element have a predetermined angle between 5 degrees and 175 degrees.

Description

Axial rotor of axial gap type rotating electric machine

The invention relates to a rotor, in particular to an axial rotor of an axial gap type rotating electrical machine.

First of all, the prior art has disclosed a variety of different axial gap type rotating electric machines, which are suitable for high torque and/or high power applications. For example, in the "axial flow gap type rotating electrical machine and its manufacturing method, and flywheel power storage device" disclosed in the TW I562509 patent case, a plurality of rotor magnets are arranged parallel to each other and attached to the rotor core.

However, there is still room for improvement in the arrangement of the rotor magnets in the TW I562509 patent, and multiple rotor magnets will also cause flying off when the rotor rotates at a high speed due to the parallel arrangement.

Therefore, how to overcome the above-mentioned shortcomings through structural design improvements has become one of the important issues to be solved by this business.

The technical problem to be solved by the present invention is to provide an axial rotor of an axial gap rotating electric machine in view of the shortcomings of the prior art.

In order to solve the above technical problems, one of the technical solutions adopted by the present invention is to provide an axial rotor of an axial gap type rotating electrical machine, which includes: an annular disk structure, A plurality of first magnetic element groups and a plurality of second magnetic element groups. A plurality of the first magnetic element groups are arranged on the annular disc structure, and the plurality of the first magnetic element groups surround a central axis of the annular disc structure and are arranged in intervals, wherein each A first magnetic element group includes a first magnetic element and a second magnetic element adjacent to the first magnetic element. A plurality of the second magnetic element groups are arranged on the annular disc structure, and the plurality of second magnetic element groups surround the central axis of the annular disc structure and are arranged at intervals, and a plurality of One of the second magnetic element groups in the second magnetic element group is arranged between two adjacent first magnetic element groups among the plurality of first magnetic element groups, wherein each The second magnetic element group includes a third magnetic element and a fourth magnetic element adjacent to the third magnetic element. Wherein, a first recess can be formed between a surface of the first magnetic element and a surface of the second magnetic element, and the first recess faces an axial stator of an axial gap type rotating machine. direction. Wherein, a second recess can be formed between a surface of the third magnetic element and a surface of the fourth magnetic element, and the second recess faces the axial direction of the axial gap type rotating electrical machine. The direction of the stator. Wherein, the projection of the surface of the first magnetic element in the direction perpendicular to the central axis and the projection of the surface of the second magnetic element in the direction perpendicular to the central axis are different There is a first predetermined angle between 5 degrees and 175 degrees, and there is a first predetermined angle between 5 degrees and 175 degrees between the surface of the third magnetic element and the surface of the fourth magnetic element. The second predetermined angle between. Wherein, the first magnetic element and the second magnetic element extend in a tapered shape toward the direction of the central axis, and the third magnetic element and the fourth magnetic element gradually extend toward the direction of the central axis. Constricted extension. Wherein, one of the first magnetic elements is located between one of the second magnetic elements and one of the fourth magnetic elements, and one of the second magnetic elements is located between one of the first magnetic elements and one of the fourth magnetic elements Between one of the third magnetic elements.

In order to solve the above technical problem, another technical solution adopted by the present invention Yes, an axial rotor of an axial gap type rotating electric machine is provided, which includes: an annular disc structure and a plurality of magnetic element groups. A plurality of the magnetic element groups are arranged on the ring-shaped disc body structure, and the plurality of the magnetic element groups are arranged around a central axis of the ring-shaped disc body structure and arranged at intervals, wherein each of the magnetic element groups The element group includes a first magnetic element and a second magnetic element adjacent to the first magnetic element. Wherein, a first recess can be formed between a surface of the first magnetic element and a surface of the second magnetic element, and the first recess faces an axial stator of an axial gap type rotating machine. direction. Wherein, the projection of the surface of the first magnetic element in the direction perpendicular to the central axis and the projection of the surface of the second magnetic element in the direction perpendicular to the central axis are different There is a first predetermined angle between 5 degrees and 175 degrees. Wherein, the first magnetic element and the second magnetic element extend in a tapered shape toward the direction of the central axis.

One of the beneficial effects of the present invention is that the axial rotor of the axial gap type rotating electrical machine provided by the present invention can pass "the first magnetic element and the second magnetic element have a range between 5 degrees and The “predetermined angle between 175 degrees” is a technical solution to increase the reluctance torque.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings about the present invention. However, the provided drawings are only for reference and description, and are not used to limit the present invention.

M: Axial gap type rotating motor

U: Axial rotor

1: Annular disc structure

11: The first annular disc body

110: Surface

12: The second annular disc

2: The first magnetic component group

21: The first magnetic element

211: First Surface

212: second surface

22: The second magnetic element

221: Third Surface

222: Fourth Surface

3: The second magnetic component group

31: The third magnetic element

311: Fifth Surface

312: Sixth Surface

32: The fourth magnetic element

321: Seventh Surface

322: Eighth Surface

4: Axial stator

5: Coil

C: central axis

G1: The first recess

G2: Second recess

A1: The first pore

A2: second pore

A3: The third pore

A4: The fourth pore

A5: Fifth pore

A6: The sixth pore

A7: seventh pore

A8: Eighth pore

θ1: The first predetermined included angle

θ2: second predetermined included angle

α1: The first predetermined inclination angle

α2: The second predetermined inclination angle

α3: Third predetermined inclination angle

α4: Fourth predetermined inclination angle

N, S: magnetic pole

FIG. 1 is a three-dimensional schematic diagram of an axial gap type rotating electric machine according to an embodiment of the present invention.

FIG. 2 is another perspective view of the axial gap type rotating electric machine according to the embodiment of the present invention.

Figure 3 is a schematic view of one side of the axial gap type rotating electrical machine according to the embodiment of the present invention Figure.

4 is a schematic view of another side of the axial gap type rotating electric machine according to the embodiment of the present invention.

5 is an exploded perspective view of the axial rotor of the axial gap type rotating machine according to the embodiment of the present invention.

6 is another three-dimensional exploded schematic view of the axial rotor of the axial gap type rotating machine according to the embodiment of the present invention.

Fig. 7 is another three-dimensional exploded schematic view of the axial rotor of the axial gap type rotating machine according to the embodiment of the present invention.

FIG. 8 is a schematic view of one side of the axial rotor of the axial gap type rotating electrical machine according to the embodiment of the present invention.

Fig. 9 is a schematic view of the other side of the axial rotor of the axial gap rotating electric machine according to the embodiment of the present invention.

FIG. 10 is another perspective view of the axial gap type rotating electric machine according to the embodiment of the present invention.

Fig. 11 is a perspective view of the axial stator of the axial gap type rotating electrical machine provided with coils according to the embodiment of the present invention.

The following is a specific embodiment to illustrate the implementation of the “axial rotor of an axial gap type rotating electrical machine” disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic representations It is stated that it is not based on the actual size of the depiction. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

It should be understood that although terms such as “first”, “second”, and “third” may be used herein to describe various elements, these elements should not be limited by these terms. These terms are mainly used to distinguish one element from another. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

[Example]

First, please refer to FIG. 1 and FIG. 2. FIG. 1 and FIG. 2 are respectively a three-dimensional schematic diagram of an axial gap type rotating machine according to an embodiment of the present invention. The present invention provides an axial rotor U of an axial gap type rotating electric machine M, that is, a rotor structure that can be applied to an axial motor. The axial gap type rotating electric machine M may include a central shaft (not shown in the figure), at least one axial stator 4 and at least one axial rotor U. The axial rotor U may be arranged corresponding to the axial stator 4 so 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: an annular disk structure 1 and a plurality of magnetic element groups. A plurality of magnetic element groups can be arranged 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 arranged in intervals. It should be noted that the specific embodiment will take as an example the multiple magnetic element groups including multiple first magnetic element groups 2 and multiple second magnetic element groups 3, that is, the axial rotor U may include: a ring A shaped disc body structure 1, a plurality of first magnetic element groups 2 and a plurality of second magnetic element groups 3.

In view of the above, please refer to Figures 1 and 2 again, and also refer to Figures 3 to 7 together. Figures 3 and 4 are respectively schematic side views of an axial gap type rotating machine according to an embodiment of the present invention. 5 to 7 are respectively a three-dimensional exploded schematic diagram of the axial rotor of the axial gap type rotating machine according to the embodiment of the present invention. In detail, the plurality of first magnetic element groups 2 can be arranged on the annular disc structure 1, and the plurality of first magnetic element groups 2 can surround a central axis C of the annular disc structure 1 and arranged in an interval. this In addition, a plurality of second magnetic element groups 3 may be arranged on the annular disc structure 1, and the plurality of second magnetic element groups 3 may surround the central axis C of the annular disc structure 1 and arranged in an interval. Furthermore, one of the second magnetic element groups 3 of the plurality of second magnetic element groups 3 may be arranged 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 arranged alternately and spaced apart. In addition, it should be noted that in terms of the present invention, the structure of the first magnetic element group 2 may be the same as the structure of the second magnetic element group 3, but the present invention is not limited thereto.

In view of the above, please refer to FIGS. 1 to 7 again. Each first magnetic element group 2 may include a first magnetic element 21 and a second magnetic element 22 adjacent to the first magnetic element 21. Each second magnetic element group 3 may include a third magnetic element 31 and a fourth magnetic element 32 adjacent to the third magnetic element 31. Furthermore, the adjacent first magnetic element 21 and the second magnetic element 22 may be arranged at equal intervals, and the first magnetic element 21 and the second magnetic element 22 may extend in a tapered shape toward the direction of the central axis C In this way, the first magnetic element 21 and the second magnetic element 22 can have a conical sheet shape. In addition, the adjacent third magnetic element 31 and the fourth magnetic element 32 can be arranged at equal intervals, and the third magnetic element 31 and the fourth magnetic element 32 can extend in a tapered shape toward the direction of the central axis C. Thereby, the third magnetic element 31 and the fourth magnetic element 32 can be in the shape of a conical sheet. However, it should be noted that 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 also be in the shape of a rectangular sheet, and the present invention is not based on this. limit. In addition, one of the first magnetic elements 21 is located between one of the second magnetic elements 22 and one of the fourth magnetic elements 32, and one of the second magnetic elements 22 is located between one of the first magnetic elements 21 and one of the third magnetic elements. Between 31.

In view of the above, please refer to FIGS. 1 to 7 again. For example, the annular disc structure 1 may include a first annular disc 11 and a second annular disc opposite to the first annular disc 11. 12. A plurality of first magnetic element groups 2 and a plurality of second magnetic element groups 3 can be arranged on the first annular disc body 11 and the first Between the two annular disk bodies 12, and the second annular disk body 12 is closer to the axial stator 4 than the first annular disk body 11. In addition, in one of the embodiments, the second annular disk body 12 may not be provided, but a plurality of first magnetic element groups 2 and a plurality of second magnetic element groups 3 are 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 are arranged in a direction facing the axial stator 4.

In view of the above, please refer to FIGS. 1 to 7 again. Further, the first magnetic element 21 may 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 fourth surface 221 opposite to The fifth surface 311 is parallel to the sixth surface 312 of 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 can abut against the first annular disc body 11, and the second surface 212 of the first magnetic element 21 can abut against the second annular disc body 12. The third surface 221 of the second magnetic element 22 can abut against the first annular disc body 11, and the fourth surface 222 of the second magnetic element 22 can abut against the second annular disc body 12. The fifth surface 311 of the third magnetic element 31 can abut against the first annular disc body 11, and the sixth surface 312 of the third magnetic element 31 can abut against the second annular disc body 12. The seventh surface 321 of the fourth magnetic element 32 can abut against the first annular disc body 11, and the eighth surface 322 of the fourth magnetic element 32 can abut against the second annular disc body 12.

In view of the above, please refer to FIGS. 1 to 7 again. There may be a first aperture A1 between one end of the first magnetic element 21 and the second annular disc 12, and the first aperture A1 is only located in the first A second aperture A2 may be formed between one end of the magnetic element 21 and the second annular disc body 12, and between one end of the second magnetic element 22 and the second annular disc body 12, and a second aperture A2 Only between one end of the second magnetic element 22 and the second annular disc body 12, a third aperture A3 can be provided between the other end of the first magnetic element 21 and the first annular disc body 11. And the third aperture A3 is only located between the other side end of the first magnetic element 21 and the first annular disc body 11. The second magnetic There may be a fourth aperture A4 between the other side end of the element 22 and the first annular disk body 11, and the fourth aperture A4 is only located at the other side end of the second magnetic element 22 and the first annular disk body 11 between. Thereby, through the arrangement of the first aperture A1, the second aperture A2, the third aperture A3, and the fourth aperture A4, the direction of the magnetic circuit can be improved. Furthermore, there may be a fifth aperture A5 between one end of the third magnetic element 31 and the second annular disc body 12, and the fifth aperture A5 can only be located between one end of the third magnetic element 31 and the first There may be a sixth aperture A6 between the two annular disc bodies 12, one end of the fourth magnetic element 32 and the second annular disc body 12, and the sixth aperture A6 is located only on one of the fourth magnetic elements 32 Between the side end and the second annular disc body 12. There may be a seventh aperture A7 between the other side end of the third magnetic element 31 and the first annular disc body 11, and the seventh aperture A7 is only located at the other side end of the third magnetic element 31 and the first ring There may be an eighth aperture A8 between the disc bodies 11, between the other side end of the fourth magnetic element 32 and the first annular disc body 11, and the eighth aperture A8 is only located on the other side of the fourth magnetic element 32 Between the end and the first annular disc body 11. Thereby, through the arrangement of the fifth aperture A5, the sixth aperture A6, the seventh aperture A7, and the eighth aperture A8, the magnetic circuit direction can be improved.

Next, please refer to FIGS. 8 and 9. FIGS. 8 and 9 are respectively a schematic side view of an axial rotor of an axial gap type rotating machine according to an embodiment of the present invention. According to the present invention, a surface of the first magnetic element 21 and a surface of the second magnetic element 22 may have a first predetermined included angle θ1 (or may be called a predetermined included angle θ1) between 5 degrees and 175 degrees. That is, there may be a first predetermined angle θ1 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 θ1 may be between 90 degrees and 160 degrees. In addition, there may be a second predetermined included angle θ2 between 5 degrees and 175 degrees between a surface of the third magnetic element 31 and a surface of the fourth magnetic element 32, that is, the sixth surface of the third magnetic element 31 There may be a second predetermined included angle θ2 between 312 and the eighth surface 322 of the fourth magnetic element 32. Preferably, the second predetermined included angle θ2 may be between 90 degrees and 160 degrees.

In view of the above, please refer to Figure 8 and Figure 9 again. Furthermore, the first magnetic element There may be a first predetermined inclination angle α1 between 2.5 degrees and 87.5 degrees between 21 and a surface 110 of the first annular disk body 11, preferably, the first predetermined inclination angle α1 may be between 10 degrees and 45 degrees. between. In addition, there may be a second predetermined inclination angle α2 between the second magnetic element 22 and a surface 110 of the first annular disc body 11 between 2.5 degrees and 87.5 degrees. Preferably, the second predetermined inclination angle α2 may be between Between 10 degrees and 45 degrees. In addition, there may be a third predetermined inclination angle α3 between 2.5 degrees and 87.5 degrees between the third magnetic element 31 and a surface 110 of the first annular disk body 11, preferably, the third predetermined inclination angle α3 may be between Between 10 degrees and 45 degrees. In addition, there may be a fourth predetermined inclination angle α4 between 2.5 degrees and 87.5 degrees between the fourth magnetic element 32 and a surface 110 of the first annular disk body 11, preferably, the fourth predetermined inclination angle α4 may be between Between 10 degrees and 45 degrees. Thereby, 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. shape.

In view of the above, please refer to FIGS. 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, and the third magnetic The magnetic poles of the 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, and the first magnetic element 21 relative to the magnetic poles of the annular disc structure 1 and the third magnetic element The magnetic poles of 31 relative to the annular disk structure 1 may be different from each other. In addition, 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 of the third surface 221 of the element 22 may be an S pole, and the magnetic pole of the fourth surface 222 adjacent to the second magnetic element 22 may 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; and the magnetic pole adjacent to the fourth magnetic element 32 may be an S pole. The magnetic poles of the seventh surface 321 can be N poles, and the magnetic poles of the eighth surface 322 adjacent to the fourth magnetic element 32 can be S poles. 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, it should be noted that in other embodiments, the positions of the S pole and the N pole can also be reversed.

In view of the above, please refer to FIGS. 8 and 9 again. A first recess G1 can be formed between a surface of the first magnetic element 21 and a surface of the second magnetic element 22, and the first recess G1 can face a surface One axial direction of the axial gap type rotating electric machine M is in the direction of the stator 4. In addition, a second recess G2 can be formed between a surface of the third magnetic element 31 and a surface of the fourth magnetic element 32, and the second recess G2 can face the axial stator 4 of an axial gap type rotating machine M. Direction. 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 on the second surface 222 of the third magnetic element 31. Between the six surface 312 and the eighth surface 322 of the fourth magnetic element 32. In addition, the projection of the surface (second surface 212) of the first magnetic element 21 in the direction perpendicular to the central axis C and the surface of the second magnetic element 22 (fourth surface 222) in the direction perpendicular to the central axis C There is a first predetermined angle θ1 between 5 degrees and 175 degrees between the projections on the upper surface, and the surface of the third magnetic element 31 (the sixth surface 312) and the surface of the fourth magnetic element 32 (the eighth surface 322) There is a second predetermined included angle θ2 between 5 degrees and 175 degrees.

Next, please refer to FIG. 10, which is another three-dimensional schematic diagram of the axial gap type rotating machine according to the embodiment of the present invention. It can be seen from the comparison between FIG. 10 and FIG. 1 that the biggest difference between the embodiment of FIG. 10 and the embodiment of FIG. 1 is that, in the embodiment of FIG. 10, the axial gap type rotating electric machine M provides two axial stators 4 and Two axial rotors U, and the two axial rotors U can be located between the two axial stators 4. In addition, as shown in FIG. 11, FIG. 11 is a perspective schematic view of the axial stator of the axial gap type rotating electrical machine provided with coils according to the embodiment of the present invention. The axial gap type rotating electric machine M may further include a coil 5 which may be wound on the axial stator 4.

[Beneficial effects of the embodiment]

One of the beneficial effects of the present invention is that the axial rotor U of the axial gap type rotating electric machine M provided by the present invention can pass through "the first magnetic element 21 and the second magnetic element 22 have a range between 5 degrees and The technical solution of the predetermined included angle θ1" between 175 degrees can increase the reluctance torque and improve the efficiency and performance of the axial gap type rotating machine M. In addition, it can also be solved through the above technical solutions It solves the problem of the magnet flying off caused by the centrifugal force and vibration of the rotor in the rotor with the magnet attached to the surface in the prior art.

The content disclosed above is only a preferred and feasible embodiment of the present invention, and does not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made using the description and schematic content of the present invention are included in the application of the present invention. Within the scope of the patent.

U: Axial rotor

1: Annular disc structure

11: The first annular disc body

12: The second annular disc

2: The first magnetic component group

21: The first magnetic element

22: The second magnetic element

3: The second magnetic component group

31: The third magnetic element

32: The fourth magnetic element

C: central axis

Claims (4)

An axial rotor of an axial gap type rotating electric machine, comprising: an annular disc structure; a plurality of first magnetic element groups, the plurality of first magnetic element groups are arranged on the annular disc structure, and The first magnetic element groups surround a central axis of the annular disc structure and are arranged at intervals, wherein each of the first magnetic element groups includes a first magnetic element and a first magnetic element adjacent to the first magnetic element. A second magnetic element of a magnetic element; and a plurality of second magnetic element groups, a plurality of the second magnetic element groups are arranged on the annular disc structure, and a plurality of the second magnetic element groups surround the The central axis of the annular disc structure is arranged in an interval arrangement, and one of the second magnetic element groups in the plurality of second magnetic element groups is arranged in the phase of the plurality of first magnetic element groups Between two adjacent first magnetic element groups, wherein each of the second magnetic element groups includes a third magnetic element and a fourth magnetic element adjacent to the third magnetic element; wherein, A first recess can be formed between a surface of the first magnetic element and a surface of the second magnetic element, and the first recess faces a direction facing an axial stator of an axial gap type rotating machine; wherein A second concave portion can be formed between a surface of the third magnetic element and a surface of the fourth magnetic element, and the second concave portion faces the axial stator of the axial gap type rotating machine. The direction; wherein the projection of the surface of the first magnetic element in a direction perpendicular to the central axis and the surface of the second magnetic element in a direction perpendicular to the central axis There is a first predetermined angle between 5 degrees and 175 degrees between the projections, and the surface of the third magnetic element and the surface of the fourth magnetic element have a first predetermined angle between 5 degrees and The second predetermined included angle between 175 degrees; Wherein, the first magnetic element and the second magnetic element extend in a tapered shape toward the direction of the central axis, and the third magnetic element and the fourth magnetic element gradually extend toward the direction of the central axis. Constricted extension; wherein one of the first magnetic elements is located between one of the second magnetic elements and one of the fourth magnetic elements, and one of the second magnetic elements is located on one of the first magnetic elements Between a magnetic element and one of the third magnetic elements; wherein the annular disc structure includes a first annular disc and a second annular disc opposite to the first annular disc, 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; wherein one end of the first magnetic element is connected to There is a first aperture between the second annular disc body, and the first aperture is only located between one of the side ends of the first magnetic element and the second annular disc body. There is a second aperture between one side end of the two magnetic elements and the second annular disc body, and the second aperture is only located at one of the side ends of the second magnetic element and the second Between the annular disc bodies; wherein, there is a third aperture between the other side end of the first magnetic element and the first annular disc body, and the third aperture is only located in the first magnetic element There is a fourth aperture between the other side end of the second magnetic element and the first annular disc body, and between the other side end of the second magnetic element and the first annular disc body, and the fourth The aperture is only located between the other side end of the second magnetic element and the first annular disc body; wherein, between one end of the third magnetic element and the second annular disc body There is a fifth aperture in between, and the fifth aperture is only located between one of the side ends of the third magnetic element and the second annular disc body, and one of the side ends of the fourth magnetic element There is a sixth Hole, and the sixth hole is only located between one of the side ends of the fourth magnetic element and the second annular disc; wherein, the other side end of the third magnetic element is connected to the There is a seventh aperture between the first annular disk body, and the seventh aperture is only located between the other side end of the third magnetic element and the first annular disk body. There is an eighth aperture between the other side end of the four magnetic element and the first annular disc body, and the eighth aperture is only located between the other side end of the fourth magnetic element and the first ring. Between an annular disc body. The axial rotor of the axial gap type rotating electrical machine described in the first item of the scope of patent application, wherein the first magnetic element is opposite to the magnetic poles of the annular disc structure and the second magnetic element is opposite to the The magnetic poles of the annular disc structure are the same as each other, the magnetic poles of the third magnetic element relative to the annular disc structure and the fourth magnetic element relative to the magnetic poles of the annular disc structure are identical to each other, and the first The magnetic poles of the magnetic element relative to the annular disc structure and the magnetic poles of the third magnetic element relative to the annular disc structure are different from each other. The axial rotor of the axial gap type rotating electrical machine described in the scope of patent application 1, wherein the first magnetic element, the second magnetic element, the third magnetic element, and the fourth magnetic element It has a conical shape. The axial rotor of the axial gap type rotating electrical machine described in the first item of the scope of patent application, wherein the adjacent first magnetic element and the second magnetic element are arranged at equal intervals; wherein, adjacent The third magnetic element and the fourth magnetic element are arranged at equal intervals.

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