JP2012010570A - Axial gap type generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an axial gap type generator which can securely enhance output with a simple structure.SOLUTION: An axial gap type generator 10 of this invention comprises: a first disk-shaped magnet holder 11 fixed on a drive shaft 61 with multiple magnets positioned along a circumference of an inner surface; a second disk-shaped magnet holder 21 fixed on the drive shaft 61 with multiple magnets positioned along the circumference; a third disk-shaped magnet holder 31 fixed on the drive shaft 61 between the first disk-shaped magnet holder 11 and the second disk-shaped magnet holder 21 with multiple magnets positioned along each circumference of both surfaces; and cylindrical coil holders 41 and 51 with multiple coils positioned to respectively oppose the multiple magnets between the first and third disk-shaped magnet holders 11 and 31 as well as between the second and third disk-shaped magnet holders 21 and 31.

Description

  The present invention relates to an axial gap generator that can reliably increase output with a simple structure.

  Conventional axial gap generators are each provided with a disk-shaped magnet holder with magnets attached to both sides of a cylindrical coil holder in which a plurality of coils are arranged. By rotating the disk-shaped magnet holder, There is one in which power generation is performed (for example, refer to Patent Document 1).

  JP2008-245356

However, conventional axial gap generators are often limited in the number of rotations that are rotationally driven, and in order to increase the output without changing the number of rotations, the same mechanism must be arranged in series. There was a problem that it had to be expensive due to its complicated structure.
The present invention has been made in view of the above, and an object of the present invention is to provide an axial gap generator that can reliably increase output with a simple structure.

The axial gap generator according to the present invention includes a drive shaft that is rotatably mounted on a substrate and rotationally driven, and a plurality of magnets arranged along the circumference of the inner surface, and is fixed to the drive shaft and driven by the drive. A plurality of magnets are arranged along a circumference of a first disk-shaped magnet holder that rotates together with the shaft, and an inner surface facing the first disk-shaped magnet holder, and are fixed to the drive shaft. A second disk-shaped magnet holder that rotates together with the drive shaft, and a plurality of magnets are arranged along the circumferences of both sides, and the first disk-shaped magnet holder and the second A third magnet holder that is fixed to the drive shaft and rotates together with the disk-shaped magnet holder; the first disk-shaped magnet holder; and a third disk-shaped magnet holder; A plurality of coils are arranged at respective positions that are fixed to the substrate and opposed to the plurality of magnets, and between the second disk-shaped magnet holder and the third disk-shaped magnet holder. And a cylindrical coil holder.
A plurality of the third disk-shaped magnet holders are arranged and fixed on the drive shaft between the first disk-shaped magnet holder and the second disk-shaped magnet holder. The cylindrical coil holder is disposed between the third disk-shaped magnet holders adjacent to each other.
The coil arranged in the cylindrical coil holder has an amorphous alloy layer arranged along the outer periphery.
Further, a fan is provided on a side surface of the third disk-shaped magnet holder and / or an inner surface of the first disk-shaped magnet holder or an inner surface of the second disk-shaped magnet holder. .
Furthermore, the disc-shaped magnet holder uses a resin as a material.

The axial gap generator according to the present invention includes a drive shaft that is rotatably mounted on a substrate and rotationally driven, and a plurality of magnets arranged along the circumference of the inner surface, and is fixed to the drive shaft and driven by the drive. A plurality of magnets are arranged along a circumference of a first disk-shaped magnet holder that rotates together with the shaft, and an inner surface facing the first disk-shaped magnet holder, and are fixed to the drive shaft. A second disk-shaped magnet holder that rotates together with the drive shaft, and a plurality of magnets are arranged along the circumferences of both sides, and the first disk-shaped magnet holder and the second A third disk-shaped magnet holder that is fixed to the drive shaft and rotates with the drive shaft between the disk-shaped magnet holder, the first disk-shaped magnet holder, and a third disk shape Magnet of Between the holder and between the second disk-shaped magnet holder and the third disk-shaped magnet holder, a plurality of coils are fixed to the substrate and opposed to the plurality of magnets. Therefore, the output can be reliably increased with a simple structure.
A plurality of the third disk-shaped magnet holders are arranged and fixed on the drive shaft between the first disk-shaped magnet holder and the second disk-shaped magnet holder. Since the cylindrical coil holder is arranged between the third disc-shaped magnet holders adjacent to each other, the output can be greatly greatly increased with a simple structure.
In addition, since the amorphous alloy layer is arranged along the outer periphery of the coil arranged in the cylindrical coil holder, it can be an efficient coil that easily passes magnetic force and has little loss. .
Further, a fan is provided on the side surface of the third disc-shaped magnet holder and / or the inner surface of the first disc-shaped magnet holder or the inner surface of the second disc-shaped magnet holder. The heat dissipation of the coil is forcibly performed, so that the loss of magnetic force can be prevented and the power generation efficiency can be maintained.
Furthermore, since the disc-shaped magnet holder uses a resin as a material, it is possible to prevent an eddy current from flowing and causing a power generation loss. By preventing power generation loss, loss of rotational force can also be prevented.

  The sectional view of the internal structure of the axial gap type generator of a 1st embodiment of the present invention is shown.   The figure of each part which comprises the slide unit used with the axial gap type generator of the 1st Embodiment of this invention is shown, Fig.2 (a) shows the side view of a 1st disk shaped magnet holder, FIG. 2 (b) shows a side view of the first cylindrical coil holder, FIG. 2 (c) shows a side view of the third disc-shaped magnet holder, and FIG. The side view of the 2nd disk-shaped magnet holder is shown.   The front view of the coil used with the axial gap type generator of the 1st Embodiment of this invention is shown.   Sectional drawing of the internal structure of the axial gap type generator of the 2nd Embodiment of this invention is shown.

  Hereinafter, an axial gap generator according to an embodiment of the present invention will be described.

FIG. 1 is a sectional view of the internal structure of an axial gap generator according to a first embodiment of the present invention.
As shown in FIG. 1, the axial gap generator 10 of the present invention includes a first disc-shaped magnet holder 11 fixed to a drive shaft 61 and a first disc-shaped magnet holder 11 in parallel. It is fixed to the drive shaft 61 between the second disk-shaped magnet holder 21 fixed to the drive shaft 61, and the first disk-shaped magnet holder 11 and the second disk-shaped magnet holder 21. A third disc-shaped magnet holder 31, and a first cylindrical-shaped magnet holder 31 fixed to the substrate 62 between the first disc-shaped magnet holder 11 and the third disc-shaped magnet holder 31. The coil holder 41 includes a second cylindrical coil holder 51 fixed to the substrate 62 between the second disk-shaped magnet holder 21 and the third disk-shaped magnet holder 31. Yes.
The drive shaft 61 is rotatably attached to mounting brackets 62A and 62B fixed to the substrate 62, and is rotationally driven from a drive direction indicated by an arrow M by a drive motor, an engine or the like.
The first disc-shaped magnet holder 11 is fixed to the drive shaft 61, and eight magnets 12 are arranged along the circumference of the inner surface and rotate together with the drive shaft 61.
The second disk-shaped magnet holder 21 is fixed to the drive shaft 61 in parallel with the first disk-shaped magnet holder 11, and has an inner surface facing the first disk-shaped magnet holder 21. Eight magnets 22 are arranged along the circumference and rotate together with the drive shaft 61.
The third disk-shaped magnet holder 31 is fixed to the drive shaft 61 between the first disk-shaped magnet holder 11 and the second disk-shaped magnet holder 21, and the first disk-shaped magnet holder 31 The eight magnets 32 are arranged along the circumference of the surface facing the magnet holder 11, and the eight magnets 33 are arranged along the circumference of the surface facing the second disk-shaped magnet holder 21. And rotates together with the drive shaft 61.
The first cylindrical coil holder 41 is fixed to the substrate 62 by a fixing bracket 44 between the first disc-shaped magnet holder 11 and the third disc-shaped magnet holder 31, and Eight coils 42 are arranged at positions facing the magnets 12 of the plate-shaped magnet holder 11, and eight coils 43 are arranged at positions facing the magnets 32 of the third disk-shaped magnet holder 31. Has been.
The second cylindrical coil holder 51 is fixed to the substrate 62 by the fixing bracket 45 between the second disk-shaped magnet holder 21 and the third disk-shaped magnet holder 31, and the second circle Eight coils 52 are arranged at positions facing the magnets 22 of the plate-shaped magnet holder 21, and eight coils 53 are arranged at positions facing the magnets 33 of the third disk-shaped magnet holder 31. Has been.
The first disc-shaped magnet holder 11 is provided with an air introduction hole 13 through which air is introduced from the outside, and the second disc-shaped magnet holder 21 is introduced with air from which the air is introduced from the outside. A hole 23 is provided. Further, the third disk-shaped magnet holder 31 is provided with a fan 34 for discharging air to the outside on the surface facing the first disk-shaped magnet holder 11, and the second disk-shaped magnet holder 31 has the second disk-shaped magnet holder 31. A fan 35 that discharges air to the outside is provided on the side facing the magnet holder 21.

FIG. 2 is a diagram showing each part of the slide unit used in the axial gap generator according to the first embodiment of the present invention, and FIG. 2 (a) is a side view of the first disc-shaped magnet holder. 2 (b) shows a side view of the first cylindrical coil holder, FIG. 2 (c) shows a side view of the third disk-shaped magnet holder, and FIG. d) shows a side view of the second disc-shaped magnet holder.
Fig.2 (a) shows the arrow AA shown in FIG. 1, and shows the side view of the 1st disk-shaped magnet holder 11. FIG. As shown in FIG. 2A, the first disc-shaped magnet holder 11 is fixed to the drive shaft 61, and eight magnets 12 are arranged along the circumference of the inner surface. Rotate with. The eight magnets 12 are alternately arranged with N poles and S poles. In addition, an air introduction hole 13 through which air is introduced from the outside is provided. Furthermore, the first disc-shaped magnet holder 11 is formed of resin instead of aluminum or the like. The second disk-shaped magnet holder 21 has the same configuration.
FIG.2 (b) shows the arrow BB shown in FIG. 1, and shows the side view of the 3rd disc-shaped magnet holder 31. FIG. As shown in FIG. 2B, the third disc-shaped magnet holder 31 is located between the first disc-shaped magnet holder 11 and the second disc-shaped magnet holder 21 shown in FIG. The eight magnets 33 are arranged along the circumference of the surface facing the second disc-shaped magnet holder 21 while being fixed to the drive shaft 61 and rotating together with the drive shaft 61. Eight magnets 32 are arranged along the circumference of the surface facing the first disc-shaped magnet holder 11. The magnets 32 and 33 are alternately arranged with N poles and S poles. The third disk-shaped magnet holder 31 is made of resin, and a fan 35 for discharging air to the outside is provided on the side surface, and the side facing the first disk-shaped magnet holder 11 is externally provided on the side surface. A fan 34 that exhausts air is provided.
Not only the third disc-shaped magnet holder 31 but also a fan for exhausting air to the outside is provided on the inner surfaces of the first disc-shaped magnet holder 11 and the second disc-shaped magnet holder 21. be able to.
FIG.2 (c) shows the arrow CC shown in FIG. 1, and shows the side view of the coil holder 41 of a 1st cylindrical shape. As shown in FIG. 2C, the first cylindrical coil holder 41 is disposed between the first disc-shaped magnet holder 11 and the third disc-shaped magnet holder 31 shown in FIG. Eight coils 43 are arranged at positions that are fixed to the substrate 62 by a fixing bracket 44 and are respectively opposed to the magnets 32 of the third disk-shaped magnet holder 31. Further, eight coils 42 are arranged at positions facing the magnets 12 of the first disc-shaped magnet holder 11 shown in FIG. Further, an air introduction hole 23 for introducing air from the outside is provided. The second cylindrical coil holder 51 has the same configuration. Moreover, the coils 42 and 43 and the coils 52 and 53 shown in FIG. 1 are formed hollow.
As shown in FIGS. 1 and 2, when the third disc-shaped magnet holder 31 rotates, the fans 34 and 35 also rotate. The rotation of the fans 34 and 35 causes the air introduced from the air introduction holes 13 and 23 to be discharged to the outside, but the air is also discharged through the coils 42 and 43 and the coils 52 and 53 that are formed in the hollow. Therefore, the heat radiation of the coils 42, 43, 52, and 53 is forcibly performed, so that loss of magnetic force can be prevented and power generation efficiency can be maintained.
Moreover, since the disk-shaped magnet holders 11, 21, and 31 are made of resin instead of aluminum or the like, it is possible to prevent an eddy current from flowing and causing power generation loss.
Although eight magnets 12, 22, 32, and 33 are provided, the number is not limited to eight, and a plurality of magnets may be provided. Further, although eight coils 42, 43, 52, and 53 are provided, the number is not limited to eight, and a plurality of coils can be provided.

FIG. 3 shows a front view of a coil used in the axial gap generator of the present invention.
As shown in FIG. 3, the coils 42, 43, 52, and 53 are formed by winding a conductive wire in a hollow shape to form a coil portion 55, and one end of the coil portion 55 becomes a lead wire 56 a and the other end is a lead. The line 56b is connected to the outside. An amorphous alloy layer 57 is disposed along the outer periphery of the coil portion 55. Therefore, it can be set as the efficient coil which magnetic force passes easily and there are few losses. The amorphous alloy layer 57 can also be disposed along the entire circumference.

The axial gap generator 10 of the present invention includes a first disc-shaped magnet holder 11, a second disc-shaped magnet holder 21, and a third disc when the drive shaft 61 is rotationally driven by a drive motor, an engine, or the like. The disk-shaped magnet holder 31 is also rotationally driven.
When the first disk-shaped magnet holder 11 is rotationally driven, electromagnetic induction is generated in the coils 42 of the first cylindrical coil holder 41 by the magnetic fields of the eight magnets 12 arranged along the circumference. Causes an alternating current to be generated.
When the second disk-shaped magnet holder 21 is rotationally driven, the magnetic fields of the eight magnets 22 arranged along the circumference cause electromagnetic waves to be generated in the respective coils 52 of the second cylindrical coil holder 51. Induction is caused and alternating current is generated.
Further, when the third disk-shaped magnet holder 31 is driven to rotate, the magnetic fields of the eight magnets 32 arranged along the circumference cause electromagnetic waves to be generated in the respective coils 43 of the first cylindrical coil holder 41. Induction is generated and alternating current is generated, and electromagnetic induction is caused in each coil 53 of the second cylindrical coil holder 51 by the magnetic fields of the eight magnets 33 arranged along the circumference, thereby alternating current. Will occur. The alternating current generated in the coils 42, 43, 52, and 53 is output to the outside and becomes generated power.

As described above, the axial gap generator 10 of the present invention includes the first, second, and third disc-shaped magnet holders 11, 21, and 31, and the first and second cylindrical coil holders. 41 and 51 can generate electric power, and the output can be surely increased with a simple structure.
As described above, the axial gap generator 10 of the present invention includes the first, second, and third disk-shaped magnet holders 11, 21, and 31, and the first and second cylindrical coil holders. However, the present invention is not limited to this, and a plurality of third disk-shaped magnet holders 31 are provided in series to form a plurality of third disk-shaped magnet holders. Cylindrical coil holders can be provided between 31 and the output can be greatly increased.

FIG. 4 shows a cross-sectional view of the internal structure of the axial gap generator according to the second embodiment of the present invention.
As shown in FIG. 4, the axial gap generator 110 according to the second embodiment of the present invention includes a disc-shaped magnet holder 131 fixed to the drive shaft 161 and one of the disc-shaped magnet holder 131. The first cylindrical coil holder 141 fixed to the substrate 162 on the side, and the second cylindrical coil holder 151 fixed to the substrate 162 on the other side of the disc-shaped magnet holder 131. ing.
The drive shaft 161 is rotatably attached to mounting brackets 162A and 162B fixed to the substrate 162, and is rotationally driven from a drive direction indicated by an arrow M by a drive motor, an engine, or the like.
In the disk-shaped magnet holder 131, eight magnets 132 are arranged along the circumference of one side, and eight magnets 133 are arranged along the circumference of the other side, and rotate together with the drive shaft 161. .
The first cylindrical coil holder 141 is fixed to the substrate 162 by a fixing bracket 144, and eight coils 143 are arranged at positions facing the magnets 132 of the disk-shaped magnet holder 131, respectively.
The second cylindrical coil holder 151 is fixed to the substrate 162 by a fixing bracket 145, and eight coils 153 are arranged at positions facing the magnets 133 of the disk-shaped magnet holder 131, respectively.
The disc-shaped magnet holder 131 is provided with a fan 134 for discharging air to the outside on one side and a fan 135 for discharging air on the other side, and is formed of resin instead of aluminum or the like. .
When the disk-shaped magnet holder 131 rotates, the fans 134 and 135 also rotate. The rotation of the fans 134 and 135 causes the air to be discharged to the outside, but also passes through the hollow coils 143 and 153. Therefore, the heat radiation of the coils 143 and 153 is forcibly performed, and the loss of magnetic force can be prevented and the power generation efficiency can be maintained.
In addition, since the disc-shaped magnet holder 131 is formed of resin instead of aluminum or the like, it can be prevented that eddy current flows and power generation loss occurs.
The coils 143 and 153 can be the same as the coils 42, 43, 52, and 53 of the first embodiment.

In the axial gap generator 110 of the present invention, when the drive shaft 61 is rotationally driven by a drive motor, an engine, or the like, the disk-shaped magnet holder 131 is also rotationally driven.
When the disk-shaped magnet holder 131 is driven to rotate, the magnetic fields of the eight magnets 132 arranged along the circumference cause electromagnetic induction in each of the coils 143 of the first cylindrical coil holder 141, and alternating current is generated. While current is generated, electromagnetic induction is caused in each coil 153 of the second cylindrical coil holder 151 by the magnetic fields of the eight magnets 133 arranged along the circumference, and an alternating current is generated. The alternating current generated in the coils 143 and 153 is output to the outside and becomes generated power.

As described above, the axial gap generator 110 of the present invention can generate power with the disc-shaped magnet holder 131 and the first and second cylindrical coil holders 141 and 151, and has a simple structure. With this, output can be surely increased.
As described above, the axial gap generator 10 of the present invention generates power using the disk-shaped magnet holder 131 and the first and second cylindrical coil holders 141 and 151. Without limiting to the above, a plurality of disk-shaped magnet holders 131 are provided in series, and a cylindrical coil holder is provided between each of the plurality of disk-shaped magnet holders 131 to greatly increase output. Can also be done.
Further, although eight magnets 132 and 133 are provided, the number is not limited to eight, and a plurality of magnets 132 and 133 may be provided. In addition, eight coils 143 and 153 are provided, but the number is not limited to eight, and a plurality of coils may be provided.

  The axial gap generator has various specifications, but the axial gap generator of the present invention can be applied to a wide variety of specifications.

10, 110 Axial gap type generator 11 First disk-shaped magnet holder 12, 22, 32, 33132, 133 Magnet 13, 23 Air introduction hole 21 Second disk-shaped magnet holder 31 Third disk Shaped magnet holder 34, 35 Fan 41, 141 First cylindrical coil holder 42, 43, 52, 53 Coil 51, 151 Second cylindrical coil holder 61, 161 Drive shaft 61
131 Disc-shaped magnet holder

Claims (5)

  A drive shaft that is rotatably attached to the substrate and rotationally driven, and a plurality of magnets are arranged along the circumference of the inner surface, fixed to the drive shaft, and rotated with the drive shaft A plurality of magnets are disposed along the circumference of the inner surface facing the first disc-shaped magnet holder, and are fixed to the drive shaft and rotate together with the drive shaft. A plurality of magnets are disposed along the circumference of each of the disk-shaped magnet holder and the surfaces on both sides, and between the first disk-shaped magnet holder and the second disk-shaped magnet holder. A third disc-shaped magnet holder fixed to the drive shaft and rotating together with the drive shaft, and between the first disc-shaped magnet holder and the third disc-shaped magnet holder and the second Disc shape A cylindrical coil holder is provided between the magnet holder and a third disc-shaped magnet holder, which is fixed to the substrate and has a plurality of coils arranged at respective positions facing the plurality of magnets. Axial gap generator characterized by   A plurality of the third disk-shaped magnet holders are arranged and fixed on the drive shaft between the first disk-shaped magnet holder and the second disk-shaped magnet holder, and are mutually fixed. 2. The axial gap generator according to claim 1, wherein the cylindrical coil holder is disposed between the adjacent third disk-shaped magnet holders.   2. The axial gap generator according to claim 1, wherein an amorphous alloy layer is disposed along an outer periphery of the coil disposed in the cylindrical coil holder. 3.   A fan is provided on a side surface of the third disk-shaped magnet holder and / or an inner surface of the first disk-shaped magnet holder or an inner surface of the second disk-shaped magnet holder. The axial gap type generator according to claim 1.   2. The axial gap generator according to claim 1, wherein the disk-shaped magnet holder uses a resin as a material.

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