JP2002369477A - Generator, motor, and method for manufacturing the generator and motor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a generator and a motor which are compact and have high efficiency, and a method for manufacturing the generator and the motor. SOLUTION: Each of the generator and the motor is provided with a rotor 10, constituted by winding a covered wire 11 around the outer periphery of a magnetic rod 12, a stator 20 which is arranged at a specified interval from an end surface of the rotor 10, and a rotary shaft 30 which penetrates the axial center of the stator 20 and is rotatably supported. In the stator 20, a plurality of permanent magnets or electromagnets are fixed on the surface of a circular disc 22, in such a manner that polarities are arranged alternately in the peripheral direction and the same polarities are arranged in axis symmetry. In the rotor 10, a plurality of the magnetic rods 12 are arranged integrally into a unified body on the outer periphery of the rotating shaft 30, in such a manner that the rods 12 become almost parallel with the rotating shaft 30. The polarity of the end portion of each magnetic rod 12 is set so as to repel the polarity of the permanent magnet or the electromagnet of the stator 20, thereby rotating the rotor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-efficiency generator and motor, and a method for manufacturing the generator and motor.

[0002]

2. Description of the Related Art Conventionally, a generator and a motor include an induction machine, a DC machine, a synchronous machine, and the like. All of them include a rotor that rotates together with a rotating shaft in a cylindrical stator. .

[0003] However, the above-mentioned conventional generators and motors have a cylindrical stator, so that they are large in the radial direction.
There were places where installation was difficult depending on the site conditions. Also,
Improvements in efficiency were also required.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a compact and highly efficient generator and motor, and a method of manufacturing the generator and motor. It is in.

[0005]

As a technical means of the present invention for solving the above-mentioned problems, a first aspect of the present invention relates to a rotor formed by winding a covered electric wire around an outer periphery of a magnetic rod, A disk-shaped stator disposed at a predetermined distance from an end face of the stator, and a rotating shaft that is rotatably supported through the axis of the stator. On the surface, a plurality of permanent magnets or electromagnets, polarities are alternately arranged in the circumferential direction,
A plurality of rotors are provided integrally on the outer periphery of the rotating shaft so that the magnetic rods are substantially parallel to the rotating shaft. It is characterized in that the rod is rotated by repelling the polarity of the end of the rod with the polarity of the permanent magnet or the electromagnet of the stator.

According to the above technical means, when the rotor is rotated, the polarity at both ends of the magnetic rod is changed by a plurality of permanent magnets or electromagnets fixed to the stator. The turned wires generate AC electromotive force by electromagnetic induction. In addition, when an AC voltage is applied to the rotor wire, the left and right polarities of the magnetic rod change at the frequency of the applied AC voltage, so that the magnetic rods are sequentially repelled by a plurality of permanent magnets on the disk surface. Thus, the rotor rotates.
The means for supplying or outputting power to the electric wire of the rotating rotor is provided with an annular terminal rotatable integrally with the rotor, and an electrode for power supply or output is brought into sliding contact with the annular terminal. I just need.

[0007] Further, the present invention is characterized in that two of the stators are provided such that the rotor is disposed therebetween.

According to a third aspect of the present invention, in the rotor, a plurality of the magnetic rods are fixed between two support disks fixed to the rotating shaft, and the plurality of magnetic rods are fixed to the support disk. It is characterized by being arranged so as to be inclined with respect to the radial direction of the disk.

Further, in the manufacturing method according to the fourth aspect, an electric wire covered on the outer periphery of the magnetic rod is wound, and the magnetic rod is penetrated through both ends thereof and clamped between two supporting disks. Configuring the rotor, a step of inserting and fixing a rotating shaft to the axis of both supporting disks of the rotor, and the plurality of permanent magnets or electromagnets on the surface of the disk, polarity alternately in the circumferential direction. Arranging radially side by side, fixing the permanent magnet or electromagnet to the surface of the disk by a fastening member to constitute the stator, fixing the disk of the stator in the main body case, and A cylindrical spacer is interposed between the disk and the supporting disk of the rotor, the rotating shaft is loosely inserted into the cylindrical spacer and the hollow hole of the disk, and the rotating shaft is rotatably rotated by a bearing member. And a supporting step.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an example of a generator and an electric motor according to the present invention.

The generator and the electric motor A are arranged at a predetermined distance from an end face of the rotor 10 fixed to a rotatable rotating shaft 30 and have a cylindrical main body case 50. And a disk-shaped stator 20 fixed to the electric wire 11 to act as an AC generator for generating an electromotive force on the electric wire 11 when the rotor 10 is rotated.
When an AC voltage is applied to the rotor, the rotor 10 acts as an AC motor that rotates.

The rotor 10 is an electromagnet formed by winding an electric wire 11 coated on the outer periphery of a magnetic rod 12, and has a rotating shaft 3.
The magnetic bar 12 having the end portion penetrated by the support disk 13 is fixed between the two support disks 13 fixed to both ends of the base member 0 so as to be substantially parallel to the rotating shaft 30. are doing.

The magnetic rod 12 is a rod-shaped member made of an iron core or another magnetic material, and is preferably made of a magnetic material having a small magnetic hysteresis.

The electric wire 11 is a covered electric wire used for a general motor or coil such as an enameled wire.

The support disk 13 is formed of a non-magnetic material such as a resin material, and has a plurality of holes formed in the surface thereof so as to penetrate the end of the magnetic rod 12 of the stator 10. The support disk 13 is fixed to the rotating shaft 30 that has been inserted, and the inside thereof is reinforced by a reinforcing member 52.

In the rotor 10 having the above structure, as shown in FIG. 3A, the ends of the magnetic rods 12 protrude from the support disk 13 and the support disks 13 are arranged vertically. Then, the electric wires 11, 11 are connected in parallel so that the polarities of the ends of the two protruding magnetic rods 12, 12 are the same. The connection is performed outside the support disk 13 by inserting the electric wires 11 into the support disk 13 (FIG. 1).
reference). And the ends of the connected electric wires 11, 11 are
The rotary shaft 3 is inserted into a hollow rotary shaft 30 to be described later.
0 are electrically connected to two annular terminals 53 fixed to the outer periphery of the end. And each annular terminal 53
, A brush is slid from the outside, and electrical wiring is provided between the brush and the input / output terminal 11a.

The rotor 10 may be configured as shown in FIGS. 3B to 3D. In the embodiment shown in FIG. 3B, four magnetic rods 12 are arranged at intervals of about 90 degrees in the circumferential direction of the support disk 13.
Is wound with an electric wire 11. In the embodiment shown in FIG. 3C, three magnetic rods 12 arranged in the radial direction of the support disk 13 are further arranged at intervals of about 90 degrees in the circumferential direction, that is, a total of 12 magnetic rods 12 are arranged. A magnetic rod 12 is used. In addition, the mode shown in FIG.
Three magnetic rods 12 arranged in the radial direction in the mode shown in FIG.
This is a preferred example in which the rotor 10 is smoothly rotated by arranging it at an angle α with respect to the radial direction of the support disk 13 as shown in the figure.

As shown in FIG. 2, the stator 20 has a plurality of substantially sector-shaped permanent magnets 21 arranged alternately in the circumferential direction on the surface of a disk 22, and the same polarity is arranged axially symmetrically. As described above, it is fixed by well-known fastening means (not shown) such as bolts and nuts. And this stator 2
0 is fixed inside the main body case 50. The permanent magnet 21 may be replaced by an electromagnet as long as the permanent magnet 21 has the polarity as described above.

The disk 22 has a hollow hole 22 a in which the rotating shaft 30 is loosely inserted, and the outer peripheral portion is fixed to the inner surface of the main body case 50. And this disk 22
Are arranged at a predetermined distance from the end face of the rotor 10 by interposing a cylindrical spacer 54 between the rotor 10 and the support disk 13.

The cylindrical spacer 54 is fixed to the disk 22, and the end face of the rotor 10 is brought into sliding contact with the supporting disk 13 of the rotor 10. The cylindrical spacer 54
Is a cylindrical body formed so as to secure a predetermined interval between the rotor 10 and the stator 20. In order to reduce the sliding contact resistance with the support disk 13, a well-known thrust bearing is used. May be used.

The rotating shaft 30 is a member formed by processing a hexagonal rod into a hollow shape, and both ends thereof are rotatably supported by bearing members 55 such as bearings. The outer periphery of the bearing member 55 is fixed to the inner surface of the main body case 50 or the like (not shown).

Next, the manufacturing procedure of the generator and the electric motor A having the above-described configuration will be described in detail. First, the electric wire 11 coated on the outer periphery of each magnetic rod 12 is wound, and both ends of each magnetic rod 12 are passed through the corresponding support disk 13, and each magnetic rod 12 is connected to two support disks 13. , 13 to form the rotor 10, and the rotating shaft 30 is inserted into and fixed to the axis of both the supporting disks 13, 13 of the rotor 10. A plurality of permanent magnets 21 are radially arranged on the surface of the disk 22 in such a manner that polarities are alternately arranged in the circumferential direction, and the disks 22 are connected to the surface of the disk 22 by well-known fastening members (not shown) such as bolts and nuts. Fixed to the stator 2
0, and the disk 22 of the stator 20 is
Fix within 0. A cylindrical spacer 54 is interposed between the disk 22 of the stator 20 and the support disk 13 of the rotor 10, and the rotary shaft 30 is loosely inserted into the cylindrical spacer 54 and the hollow hole 22 a of the disk 22. The rotation shaft 30 is rotatably supported by a bearing member 55.

According to the above configuration, when the rotor 10 is rotated, the polarity of both ends of the magnetic rod 12 is changed by the plurality of permanent magnets 21 of the stator 20. The electric wire 11 wound around generates an electromotive force due to electromagnetic induction. The generated electromotive force is applied to both input / output terminals 11.
a and 11a are output as AC power. The output may be used as it is as an AC power supply, or may be used as a DC power supply by converting it with an inverter or the like.

When an AC voltage is applied to both input / output terminals 11a, 11a, the polarities of the left and right ends of the magnetic rod 12 change with the frequency of the AC voltage. , The plurality of permanent magnets 21 are sequentially repelled, and the rotor 10 rotates. Rotor 10
Is transmitted to other power machines by well-known power transmission means (not shown) such as a gear mechanism and a pulley belt mechanism.

Next, the embodiment shown in FIG. 4 will be described.
The generator and the electric motor B are provided two with respect to the electric generator and the electric motor A such that the stator 20 has the rotor 10 therebetween, and both the stators 20 and 2 are provided.
0 is fixed in the main body case 50.

In this generator and motor B, the stator 20 has a plurality of permanent magnets 21 fixed on the surface of the disk 22.
Are arranged so as to face the end of the magnetic rod 12 of the rotor 10.

Since the magnetic rod 12 of the stator 20 has opposite polarities at one end and the other end, each of the stators 20
It is arranged and fixed so as to be repelled by the polarity of the end of the corresponding magnetic rod 12.

Further, the generator and the motor C of the embodiment shown in FIG.
A rotor 20 wound around the outer circumference of the disk 2; a stator 20 having a plurality of permanent magnets 21 fixed to both sides of the disk 22 so that the polarities are alternately arranged in the circumferential direction; And a rotating shaft 30 to which the rotor 10 is fixed on the outer periphery.

The stator 20 has a plurality of permanent magnets 21 fixed on both sides thereof in the same manner as the generator and the electric motor A.
It is fixed within 0.

The rotor 10 is formed between the two supporting disks 13 in the same manner as the generator and the motor A. The rotor 10 has a cylindrical spacer 54.
Are fixed to the both ends of the rotating shaft 30 at a predetermined distance from the end face of the stator 20.
That is, the rotors 10 are provided on both sides of the stator 20 such that the stator 20 is disposed therebetween.

The generator and the electric motor C are supplied with AC power to input / output terminals 11a, 11a of one rotor 10 to rotate one rotor 10 and to rotate one rotor 10 via a rotating shaft 30. An electromotive force is generated in the other rotor 10 that rotates integrally with the rotor 10 by electromagnetic induction, and the electromotive force is output from the other input / output terminals 11a, 11a.

According to the generator and the electric motor C having the above-described configuration, by applying an AC voltage to the input / output terminals 11a, 11a on one end side, the power of the gear mechanism, the pulley belt mechanism, and the like is transmitted from the rotating shaft 30. Power can be output via the transmission means, and at the same time, AC power can be output from the input / output terminals 11a, 11a on the other end.

In the above embodiment, an AC voltage is input and output. However, a brush structure of a well-known DC motor is provided at the end of the rotating shaft 30 so that the electric wire 1 of the rotor 10 can be used.
It is also possible to input and output a DC voltage by reversing the direction of the current flowing in 1.

[0034]

Since the present invention is configured as described above, it has the following effects. According to the present invention, since the stator is arranged in the axial direction of the rotor, the size in the radial direction can be made relatively small.In addition, since the stator has a disk shape, the axial length is also reduced. It can be relatively small. Moreover, a structure in which a plurality of permanent magnets or electromagnets are repelled from the magnetic rod body has a high power generation efficiency and a high motor efficiency, thereby providing a compact and highly efficient generator and motor. Furthermore, according to the second aspect, since two stators are provided so as to arrange the rotor therebetween, it is possible to provide a more efficient generator and electric motor. According to the third aspect, the plurality of magnetic rods arranged so as to be inclined with respect to the radial direction are sequentially repelled by the permanent magnet or the electromagnet of the stator,
The rotation of the rotor is smooth and smooth. According to the manufacturing method of the fourth aspect, the generator and the electric motor can be efficiently mass-produced.

[Brief description of the drawings]

FIG. 1 is a side view showing an example of a generator and an electric motor according to the present invention, in which main parts are cut away.

FIG. 2 is a sectional view taken along line (2)-(2) in FIG.

FIG. 3A is a cross-sectional view taken along line (3)-(3) in FIG. 1, and each of FIGS. 3B to 3D shows another embodiment of the stator in the same cross section.

FIG. 4 is a side view showing another example of the generator and the electric motor according to the present invention, in which main parts are cut away.

FIG. 5 is a side view showing another example of the generator and the electric motor according to the present invention, in which main parts are cut away.

[Explanation of symbols]

 10: Rotor 11: Electric wire 12: Magnetic rod 20: Stator 21: Permanent magnet 22: Disk 30: Rotating axis A, B, C: Generator and motor

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H02K 19/02 H02K 19/02 19/22 19/22 F term (Reference) 5H603 AA09 BB01 BB02 BB04 BB05 BB14 CA01 CA02 CA04 CA05 CC12 CC17 CD21 CE01 5H615 AA01 BB01 BB02 BB04 BB05 BB15 PP01 PP02 PP06 PP12 PP24 PP26 PP28 QQ02 QQ19 SS19 TT05 5H619 AA05 BB01 BB02 PP01 PP02 PP04 PP08 PP12 PP14 PP19 PP21 JP22 5H621A00

Claims (4)

[Claims] 1. A rotor formed by winding a covered electric wire around an outer periphery of a magnetic rod, a disk-shaped stator arranged at a predetermined distance from an end face of the rotor, and a shaft of the stator. A rotating shaft that is rotatably supported through the heart.The stator has a plurality of permanent magnets or electromagnets alternately arranged in the circumferential direction on the surface of the disk, and has the same polarity. A plurality of rotors are provided integrally on the outer periphery of the rotating shaft so that the magnetic bar is substantially parallel to the rotating shaft. A generator and an electric motor characterized by being configured to rotate by repelling the polarity of a part with the polarity of a permanent magnet or an electromagnet of a stator. 2. The generator and the electric motor according to claim 1, wherein two stators are provided so as to arrange the rotor therebetween. 3. The rotor has a plurality of the magnetic rods fixed between two support disks fixed to the rotating shaft, and the plurality of magnetic rods are arranged in a radial direction of the support disk. The generator and the electric motor according to claim 1, wherein the generator and the electric motor are arranged so as to be inclined with respect to the generator. 4. The rotor is constructed by winding an electric wire coated on the outer periphery of the magnetic rod, penetrating both ends of the magnetic rod, and sandwiching the magnetic rod between two supporting disks. A step of penetrating and fixing the rotating shaft to the axis of both supporting disks of the rotor; and Fixing the magnet or electromagnet to the surface of the disk with a fastening member to form the stator, and fixing the disk of the stator in a main body case; and a disk supporting the stator and the rotor. Interposing a cylindrical spacer between the cylindrical spacer and the hollow hole of the cylindrical spacer and the disc, and freely rotating the rotating shaft, and rotatably supporting the rotating shaft by a bearing member. The method according to any one of claims 1 to 3, wherein Method for producing electrical and motor.