JPH11164535A - Rotating electric machine, and hybrid driver containing the same and its operating method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To recover the rotational energy of a load apparatus into a battery as electrical energy at deceleration of the load apparatus, and to increase the efficiency of operation at variable speed operation of the load apparatus. SOLUTION: Between a prime mover and a load, a first rotor 51 is linked to the prime mover with a first input/output shaft 50, and a second rotor 54 is linked to the load with a second input/output shaft 57, and the stator coils 60 of a stator 61 are connected to a battery through an inverter. As the result, the prime mover and the load is inked to each other magnetically by a rotating electric machine 3. Namely, a current is induced in the second rotor 54 through a rotating magnetic field generated by the first rotor 51, and they are operated similarly to an induction machine and rotated with the second rotor slipped relative to the first rotor. Electromagnetic action is produced in second conductors 56b facing opposite to the stator 61 by adjusting the current of the stator coils 60. Consequently, the rotational speed of the second rotor 54 is adjusted to one determined by the slip anount, and as the result of this the load is variable-speed operated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotating electric machine for rotating a load such as a propulsion axle of an electric vehicle, a hybrid drive including the same, and a method of operating the same.

[0002]

2. Description of the Related Art Conventionally, a hybrid drive device for rotationally driving a load device for propulsion of an electric vehicle has a configuration as shown in FIG. That is, the first input / output shaft 4 of the rotating electric machine 3 is connected to the output shaft 2 of the prime mover 1 such as a gasoline engine. The rotor 5 of the rotating electric machine 3 includes a rotating iron core 6 in which silicon steel plates are laminated and a rotor coil 7. The stator 8 of the rotating electric machine 3 includes a stator core 9 in which silicon steel plates are arranged so as to surround the outer periphery of the rotating core 6, and a stator coil 10. A second input / output shaft 11 of the rotor 5 opposite to the first input / output shaft 4 is coupled to a load device 12 for vehicle propulsion (see FIG. 11). Then, as shown in FIG. 11, in such a hybrid drive device, the stator coil 10 of the stator 8 of the rotating electric machine 3 is electrically connected to the inverter 15,
The inverter 15 is electrically connected to a battery 16 as a power supply.

In such a hybrid drive device, a first drive system for rotating the rotor 5 of the rotary electric machine 3 by driving the prime mover 1 and rotating the load device 12 by the torque of the rotor 5 includes: On the other hand, the electric power of the battery 16 is converted into electric power by the inverter 15, the rotating electric machine 3 is driven to rotate as an electric motor, and the load device 12 is rotated by the rotational force of the rotor 5. 12
Drive. When the load device 12 is decelerated, the rotational kinetic energy of the vehicle is converted into AC electric energy by using the rotating electric machine 3 as a generator as shown in a system of FIG. By regenerating to 16, the efficiency of energy consumption is improved.

[0004]

However, in such a conventional hybrid drive system, the prime mover 1 directly connected to the rotating electric machine 3 uses a mechanical transmission in accordance with the operating condition of the load device 12 similarly to the rotating electric machine. Since the engine 1 is operated at a variable speed via the motor, the prime mover 1 is not always operated at a speed at which the efficiency is always high. There was a problem of lowering.

The present invention has been made in view of such conventional problems, and when the load device is decelerated, its rotational energy can be recovered as electric energy by a battery.
It is another object of the present invention to provide a rotating electric machine capable of improving the operation efficiency of the entire hybrid drive device when the load device is operated at a variable speed, a hybrid drive device including the same, and a method of operating the same.

[0006]

According to a first aspect of the present invention, there is provided a rotating electric machine having a first input / output shaft for coupling with an external rotating machine, and a first pole having a magnetic pole and an iron core arranged on a side circumference. And a first conductor is arranged on a side of the first rotor facing the rotation surface of the magnetic pole, and a second conductor is arranged on a rotation surface shifted from the first conductor, and A second rotor having a second input / output axis having the same rotation center as the first input / output axis; a stator coil and an iron core;
And a stator arranged on a side surface facing the conductor.

According to a second aspect of the present invention, in the rotating electric machine according to the first aspect, the first rotor is formed in a cup shape, and the cylindrical second rotating body is provided inside a rotating body of the first rotor. A magnetic pole and an iron core are arranged on the rotating body portion of the first rotor, and the first conductor is arranged on an outer peripheral portion of the second rotor facing the magnetic pole. The second conductor is arranged at an outer peripheral portion adjacent to the first conductor, and the cylindrical stator is arranged so as to face the outer periphery of the second conductor.

In the rotating electric machine according to the first and second aspects of the present invention, input / output of rotational energy to / from an external rotating machine is performed via the first input / output shaft, and the first rotor is rotated. A rotating magnetic field is formed by the magnetic poles located on the first rotor to induce a current in the conductor of the second rotor. That is, input / output conversion of energy is performed between the first rotor and the second rotor via electromagnetic energy. Also, between the second rotor and the stator, input / output conversion is performed via electromagnetic energy by the stator coil of the stator and the current flowing through the conductor of the second rotor. At the same time, rotational energy is input / output to / from the second rotor with respect to a load coupled via the second input / output shaft.

According to a third aspect of the present invention, in the rotary electric machine according to the first aspect, the first rotor is formed in a cup shape, and the cylindrical second rotary member is provided inside a rotary body of the first rotor. A magnetic pole and an iron core are arranged on the rotating body portion of the first rotor, and the first conductor is arranged on an outer peripheral portion of the second rotor facing the magnetic pole. 2. The rotating device according to claim 1, wherein the second conductor is disposed on an axial end surface of the second rotor, and the cylindrical stator is disposed so as to face the second conductor in the axial direction. 3. It works in the same way as an electric machine, and can be structurally reduced in axial length.

According to a fourth aspect of the present invention, in the rotating electric machine of the first to third aspects, a permanent magnet is used as a magnetic pole of the first rotor, and electromagnetic energy is supplied from the outside to the rotating magnetic pole. This is unnecessary, and the first rotor rotates to easily form a rotating magnetic field.

According to a fifth aspect of the present invention, in the rotating electric machine of the first to fourth aspects, a permanent magnet is disposed on a surface of the second rotor facing the stator, so that a field current is unnecessary. Efficiency is improved.

According to a sixth aspect of the present invention, in the rotating electric machine of the first to fifth aspects, the first conductor and the second conductor of the second rotor are connected to each other.
Are electrically connected to each other, and the current induced in the first conductor on the second rotor by the first rotor flows through the second conductor. The rotating electric machine can be operated as a motor or a generator by controlling the current of the slave coil.

According to a seventh aspect of the present invention, there is provided a hybrid drive apparatus including the rotary electric machine according to any one of the first to sixth aspects, wherein a motor is coupled to an input / output shaft of the first rotor. A power converter is connected to the coil, a battery is connected to the power converter, and a load is coupled to the input / output shaft of the second rotor. The output can be converted, and the rotating electric machine can convert the input and output of the battery and the electric energy.

According to an eighth aspect of the present invention, there is provided a driving method of the hybrid driving apparatus according to the seventh aspect, wherein the electric energy of the battery is supplied to the rotating electric machine via the power converter, and Since the prime mover is started by the rotation energy, a starter unique to starting the prime mover is not required, and harmful exhaust gas which has been conventionally discharged during low-speed start-up of the prime mover can be suppressed.

According to a ninth aspect of the present invention, in the hybrid driving device according to the seventh aspect, the rotational energy of the prime mover is transmitted to the load via the first and second rotors. And generating electric energy between the second rotor and the stator, supplying the electric energy to the battery via the power converter, and rotationally driving a load via a rotating electric machine using a prime mover. While rotating the rotating electric machine as a generator, electric energy can be generated and stored in the battery. As a result, the discharged battery can be charged during operation, and surplus energy generated for operating the prime mover at a high efficiency point can be recovered to the battery as electric energy by the power generation action of the rotating electric machine. The prime mover can be operated at a high efficiency point irrespective of the operation state of the load, and the entire system can save energy and reduce exhaust gas.

According to a tenth aspect of the present invention, there is provided a driving method of the hybrid driving apparatus according to the seventh aspect, wherein the load is rotated by using both the rotation energy of the prime mover and the electric energy of the battery. In addition, the driving motor can be assisted by applying a driving force to the load even from a rotating electric machine during a temporary high load state or acceleration, and the driving motor can be continuously operated at a high efficiency point even under a high load.

According to an eleventh aspect of the present invention, in the hybrid driving device of the seventh aspect, the motor is rotated at a constant speed and the load is operated at a variable speed by the rotating electric machine. . A prime mover and a load are magnetically coupled between a first rotor coupled to the prime mover by a first input / output shaft and a second rotor coupled to the load by a second input / output shaft. Have been. During this time, a current is induced in the second rotor by the rotating magnetic field generated by the first rotor, so that it operates in the same manner as the induction machine, and the second rotor is relatively moved with respect to the first rotor. Can be rotated. Then, by adjusting the current of the stator coil of the stator, an electromagnetic effect is generated on the second conductor facing the stator. Thereby, the second
The rotation speed determined by the slip amount of the rotor can be adjusted. That is, while the prime mover coupled to the first rotor is always rotated at a constant speed at its high efficiency point,
Variable speed operation of the load coupled to the rotor, and at this time, the motor between the stator and the second rotor acts as a motor or a generator to adjust the excess or deficiency of the prime mover. It is possible to save energy and reduce exhaust gas as a whole.

According to a twelfth aspect of the present invention, there is provided the hybrid driving apparatus according to the seventh aspect of the present invention, wherein the rotational energy of the load is regenerated to the battery via the rotary electric machine as electric energy.
When the load is decelerated, the generated rotational kinetic energy is converted into electric energy by causing the rotating electric machine to act as a generator,
The battery can be collected by the battery, and as a result, the operation efficiency can be improved.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows an embodiment of a prime mover 1 and a rotating electric machine 3 which are components of a hybrid drive device of the present invention. The rotating electric machine 3 of the present embodiment
A first cup-shaped rotor 51 having an input / output shaft 50 coupled to the prime mover 1 is provided. This first rotor 5
1 has a cylindrical iron core 52, and a ring-shaped permanent magnet magnetic pole 53 is arranged on the inner peripheral surface of the iron core 52.

A second rotor 54 is arranged inside the first rotor 51 so as to be able to rotate independently of the first rotor 51. An iron core 55 formed by laminating silicon steel plates is disposed on the rotating body of the second rotor 54. A half of the outer peripheral surface of the iron core 55 on the side of the motor 1 is connected to the magnetic pole 53 of the first rotor 51. They face each other with a magnetic gap.
A first conductor 56a is disposed in the motor-side half of the outer peripheral portion of the iron core 55. Iron core 5 of second rotor 54
A second conductor 56b is arranged in a half of the outer periphery of the motor 5 opposite to the prime mover 5 so as to be adjacent to the first conductor 56a. The input / output shaft 57 of the second rotor 54 is connected to a load device for vehicle propulsion.

A silicon steel plate is placed on the inner periphery of the cylindrical rotating electric machine case 58 integrally connected to the prime mover 1 at a position surrounding the portion where the second conductor 56b of the second rotor 54 is arranged. A stator 61 including a laminated stator core 59 and a stator coil 60 is arranged.

In the rotating electric machine 3, the input and output of energy with the prime mover 1 are converted through the first rotor 54. When the first rotor 54 is rotationally driven by the prime mover 1, a rotating magnetic field is formed by the permanent magnet magnetic poles 53 of the first rotor 54, and the rotation of the second rotor 54 facing the magnetic pole 53 is generated. A current is induced in the first conductor 56a. That is,
The conversion of the input and output of energy is performed between the first rotor 51 and the second rotor 54 via electromagnetic energy.
Next, between the second rotor 54 and the stator 61,
An electric motor operation or a generator operation is performed by a current flowing through the stator coil 60 of the stator 61 and the second conductor 56b of the second rotor 54. As a result, an arbitrary amount of energy of the second rotor 54 is input and output. At the same time, the second rotor 54 also performs energy input / output conversion with a load device (not shown) connected by the second input / output shaft 57.

The rotating electric machine 3 according to the first embodiment
In this configuration, the first conductor 56a and the second conductor 56b disposed on the second rotor 54 can be electrically connected, whereby the first rotor 56a Current flows through the second conductor 56b. By controlling the current of the stator coil 60 with respect to this current, the rotating electric machine 3 can be operated as a motor or a generator.

In the rotating electric machine 3 of the first embodiment, as shown in the sectional view of FIG. 2, the permanent magnet 6 is attached to the outer peripheral surface of the iron core 55 of the second rotor 54 facing the stator 61.
2 can be disposed, thereby eliminating the need for a field current, thereby improving the efficiency.

Next, a description will be given of a second embodiment of the prime mover 1 and the rotary electric machine 3 which are components of the hybrid drive device of the present invention with reference to FIG. The rotating electric machine 3 according to the second embodiment includes a first rotor 51 similar to the first embodiment shown in FIG. And the first rotor 5
The second rotor 63 is arranged inside the first rotor 51 so that the second rotor 63 can rotate independently of the first rotor 51. A first iron core 64 formed by stacking silicon steel plates in the axial direction is arranged on the rotating body of the second rotor 63.
Is opposed to the magnetic pole 53 of the first rotor 51 with a gap. A first conductor 65a is arranged in the outer peripheral portion of the first iron core 64.

On the side of the first iron core 64 opposite to the prime mover 1, a second iron core 66 formed by laminating silicon steel plates in the radial direction is provided.
The second conductor 65b is arranged on the outer periphery of the second iron core 66 so as to be adjacent to the first conductor 65a. The input / output shaft 67 of the second rotor 63 is connected to a load device for vehicle propulsion.

A stator core 70 formed by laminating silicon steel plates inside an axial end face of a cylindrical rotary electric machine case 69 integrally connected to the prime mover 1 and a stator coil 71 on the outer periphery thereof.
Is disposed. The end face of the stator core 70 of the stator 72 faces the end face of the second core 66 of the second rotor 63.

In the rotating electric machine 3, similarly to the first embodiment, when the first rotor 54 is driven to rotate by the prime mover 1, a rotating magnetic field is formed by the magnetic poles 53 of the first rotor 54. The second rotor 6 facing the magnetic pole 53
A current is induced in the third first conductor 65a. That is, the first rotor 51 and the second rotor 6
The conversion of the input and output of the energy is performed between the input and output. Further, between the second rotor 64 and the stator 72, a motor operation or a generator operation is performed by a current flowing through the stator coil 71 of the stator 72 and the second conductor 65b of the second rotor 63, An arbitrary amount of energy of the second rotor 63 is input and output. At the same time, the second rotor 63 also performs energy input / output conversion with a load device (not shown) connected by the second input / output shaft 67.

The rotating electric machine 3 according to the second embodiment
In the same manner as in the rotary electric machine of the first embodiment, the first conductor 65a and the second conductor 65b of the second rotor 63
Is electrically connected to each other, the electric current of the stator coil 71 is controlled so that the rotating electric machine 3 can operate as a motor or a generator.

Next, a hybrid drive device according to a third embodiment of the present invention will be described with reference to FIG. In this hybrid drive device, the prime mover 1 is coupled to a first input / output shaft 50 of a first rotor 51 of the rotating electric machine 3 shown in FIG. 1 or FIG. Input / output shaft 57,
67 to the load device 12 for propulsion of the vehicle,
Are connected to the inverter 15,
In this configuration, a battery 16 is connected to the inverter 15.

This hybrid drive can be operated in the following four modes.

Start mode Steady operation mode Acceleration mode Deceleration mode

In the start mode, as shown in FIG.
The electric energy of the battery 16 is supplied to the rotating electric machine 3 via the inverter 15 which is a power conversion device, and the rotating electric machine 3 operates as an electric motor to rotate and drive the load device 12 and, at the same time, start and rotate the prime mover 1.

In this starting mode, the load device 12 can be driven only by electric energy, and the load device 12 can be operated without discharging exhaust gas. At the same time, the prime mover 1 can be started by the rotating electric machine 3. Therefore, a separate starting device for the prime mover 1 is not required, and the structure can be simplified in structure.

In the steady operation mode, as shown in FIG. 6, the prime mover 1 is operated at a high efficiency point due to its characteristics, and is driven via the first rotor 51 and the second rotor 54 or 63 of the rotating electric machine 3. To rotate the load device 12. The surplus energy generated at this time is between the second rotor 54 and the stator 61 of the rotary electric machine 3 or between the second rotor 63 and the stator 72.
Operates as a generator to convert the electric energy into electric energy and store it in the battery 16 via the inverter 15, whereby the discharged battery 16 can be charged during operation.

Further, since the surplus energy generated for operating the prime mover 1 at the high efficiency point can be recovered by the power generating operation of the rotating electric machine 3, the prime mover 1 can operate at the high efficiency point regardless of the operation state of the load device 12. And the efficiency of the system can be improved.

In the acceleration mode of FIG. 7, as shown in FIG.
The energy of the battery 16 is supplied to the rotating electric machine 3 via the inverter 15, and the rotating electric machine 3 operates as an electric motor to drive the load device 12, and at the same time, performs a parallel operation in which the prime mover 1 drives the load device 12. Thus, the load device 12 is driven by the energy from the prime mover 1 under a steady load, and the rotating electric machine 3 is driven by the driving force of the electric power from the battery 16 when the load is temporarily increased or accelerated.
Therefore, the prime mover 1 can be operated at a high efficiency point even under a high load.

In the deceleration mode, as shown in FIG.
The rotating electric machine 3 is driven by the rotational kinetic energy of the load device 12, and the rotating electric machine 3 operates as a generator to perform a regenerative operation of storing electric energy in the battery 16 via the inverter 15. As a result, the kinetic energy generated when the load device 12 is decelerated is recovered as electric energy by the rotating electric machine 3 and can be stored in the battery 16, and as a result, the operating efficiency of the entire system is improved.

Next, a method of operating a hybrid drive device according to still another embodiment of the present invention will be described with reference to FIG. The hybrid drive device used in the method of operating the hybrid drive device of this embodiment has the same configuration as the system configuration of the embodiment of FIG. 4, but has the following features in the drive method. The prime mover 1 is set at a constant speed Ni at a high efficiency point due to its characteristics.
e, and the load device 12 is operated at a variable speed by the rotating electric machine 3. The prime mover 1 and the load device 12 include a first rotor 51 coupled to the prime mover 1 by a first input / output shaft 50.
And the second rotors 54 and 63 coupled to the load device 12 by the second input / output shafts 57 and 67, respectively. During this time, a current is induced in the second rotors 54 and 63 by the rotating magnetic field generated by the first rotor 51, so that it operates in the same manner as an induction machine, The second rotors 54 and 63 can be rotated by sliding. By adjusting the current of the stator coils 60 and 71 of the stators 61 and 72, the stator 60,
An electromagnetic effect is generated in the second conductors 56b and 65b facing the first conductor 71.

Thus, the second rotors 54 and 63 are rotated at a rotational speed Nm (0 ≦ Nm ≦ Nie) determined by the slip amount.
The rotation can be adjusted with. That is, while the motor 1 coupled to the first rotor 51 is rotated at a constant speed Nie, the load device 12 coupled to the second rotors 54 and 63 is rotated at a speed Nm (0 ≦ Nm ≦ Nie). , The engine 1 can always be operated at a constant speed at a high efficiency point, and the operating efficiency of the entire system can be improved.

[0041]

As described above, according to the rotating electric machine of the first and second aspects of the present invention, rotation energy is input / output to / from an external rotating machine via the first input / output shaft. When the rotor rotates, a rotating magnetic field is formed by the magnetic poles disposed on the first rotor, a current is induced in the conductor of the second rotor, and the first rotor is transmitted via electromagnetic energy. And the second
Between the second rotor and the stator, and between the second rotor and the stator, by the stator coil of the stator and the current flowing through the conductor of the second rotor.
Input / output conversion can be performed via electromagnetic energy, and at the same time, rotational energy can be input / output to / from the second rotor with respect to a load coupled via the second input / output shaft.

According to the rotating electric machine of the third aspect of the invention, the same effect as that of the rotating electric machine of the second aspect is obtained, and the axial length can be shortened structurally.

According to the rotating electric machine of the fourth aspect of the present invention, the first
Since the permanent magnet is used as the magnetic pole of the rotor, it is not necessary to supply electromagnetic energy from the outside to the rotating magnetic pole, and a rotating magnetic field can be easily formed by the rotation of the first rotor.

According to the rotating electric machine of the fifth aspect of the present invention, the second
Since the permanent magnet is disposed on the surface of the rotor facing the stator, no field current is required, and the efficiency is improved.

According to the rotating electric machine of the sixth aspect of the present invention, the second
Since the first conductor and the second conductor of the first rotor are electrically connected, the current induced by the first rotor on the first conductor on the second rotor is applied to the second conductor. It started flowing,
By controlling the current of the stator coil with respect to this current, the rotating electric machine can be operated as a motor or a generator.

According to the seventh aspect of the present invention, the motor is coupled to the input / output shaft of the first rotor by using the rotating electric machine of the first to sixth aspects, and the stator coil of the stator is provided. A power converter, a battery connected to the power converter, and a load coupled to the input / output shaft of the second rotor. And the rotating electric machine can convert the input and output of the battery and the electric energy.

According to the method of operating the hybrid drive device of the present invention, the electric energy of the battery is supplied to the rotating electric machine via the power converter, and the motor is started by the rotating energy of the rotating electric machine. This eliminates the need for a specific starting device for starting the engine, thereby suppressing harmful exhaust gas that has conventionally been emitted during the low-speed rotation of the prime mover.

According to the ninth aspect of the present invention, the rotational energy of the prime mover is transmitted to the load via the first and second rotors, and the second rotor and the stator are connected to each other. Between the power generator and the battery through the power converter, while rotating the load via the rotating electric machine using the prime mover, and rotating the rotating electric machine as a generator to operate the electric energy. Can be stored in the battery, the discharged battery can be charged during operation, and surplus energy generated to operate the prime mover at a high efficiency point is converted into electric energy by the power generation action of the rotating electric machine. Battery can be recovered, and the prime mover can be operated at a high efficiency point regardless of the load operating condition, thus saving energy and reducing exhaust gas for the entire system.

According to the operation method of the hybrid drive apparatus of the tenth aspect, the load is rotationally driven by using both the rotational energy of the prime mover and the electric energy of the battery. The motor can also assist the prime mover by applying a driving force to the load, and the prime mover can be continued to operate at a high efficiency point even when the load is high.

According to the operation method of the hybrid drive device of the eleventh aspect of the present invention, the second rotor is driven while the prime mover coupled to the first rotor is always rotated at a constant speed at a high efficiency point. Can be operated at a variable speed, and at this time, between the stator and the second rotor can be operated as a motor or a generator to adjust the excess or deficiency of the prime mover, and the entire system can be adjusted. Energy saving and emission reduction are possible.

According to the driving method of the twelfth aspect of the present invention, the rotational energy of the load is regenerated as electric energy to the battery via the rotary electric machine. Therefore, when the load is decelerated, the rotational kinetic energy generated is reduced. The rotating electric machine can be operated as a generator to convert the electric energy into electric energy, which can be collected by the battery, and as a result, the operation efficiency can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view of a rotating electric machine according to a first embodiment of the present invention.

FIG. 2 is a partially cutaway sectional view of a modification of the rotating electric machine according to the embodiment.

FIG. 3 is a sectional view of a rotating electric machine according to a second embodiment of the present invention.

FIG. 4 is a block diagram of a hybrid drive device according to a third embodiment of the present invention.

FIG. 5 is an explanatory diagram of an operation method of a hybrid drive device according to a fourth embodiment of the present invention.

FIG. 6 is an explanatory diagram of an operation method of a hybrid drive device according to a fifth embodiment of the present invention.

FIG. 7 is an explanatory diagram of an operation method of a hybrid drive device according to a sixth embodiment of the present invention.

FIG. 8 is an explanatory diagram of an operation method of a hybrid drive device according to a seventh embodiment of the present invention.

FIG. 9 is an explanatory diagram of an operation method of a hybrid drive device according to an eighth embodiment of the present invention.

FIG. 10 is a cross-sectional view of a conventional rotating electric machine.

FIG. 11 is a block diagram of a conventional hybrid drive device.

[Explanation of symbols]

 Reference Signs List 1 motor 3 rotating electric machine 50 first input / output shaft 51 first rotor 52 iron core 53 magnetic pole 54 second rotor 55 iron core 56a first conductor 56b second conductor 57 second input / output shaft 58 case 59 Stator iron core 60 Stator coil 61 Stator 63 Second rotor 64 Iron core 65a First conductor 65b Second conductor 66 Iron core 67 Second input / output axis 70 Stator iron core 71 Stator coil 72 Stator

Claims (12)

[Claims] A first input / output shaft for coupling to an external rotating machine, and a first input / output shaft having a magnetic pole and an iron core arranged on a side circumference thereof.
A first conductor is disposed on a side surface of the first rotor facing the rotation surface of the magnetic pole, a second conductor is disposed on a rotation surface shifted from the first conductor, and A second rotor having a second input / output axis having the same center of rotation as the first input / output axis, a stator coil and an iron core, and disposed on a side face facing the second conductor; A rotating electric machine comprising a stator. 2. The method according to claim 1, wherein the first rotor is cup-shaped, and the cylindrical second rotor is concentrically arranged inside a rotating body of the first rotor. A magnetic pole and an iron core are disposed on the rotating body, the first conductor is disposed on an outer peripheral portion of the second rotor facing the magnetic pole, and the second conductor is disposed on an outer peripheral portion adjacent to the first conductor. 2. The rotating electric machine according to claim 1, wherein the conductor is disposed, and the cylindrical stator is disposed so as to face an outer periphery of the second conductor. 3. 3. The first rotor is formed in a cup shape, and the cylindrical second rotor is concentrically arranged inside a rotating body of the first rotor. A magnetic pole and an iron core are disposed on the rotating body, the first conductor is disposed on an outer peripheral portion of the second rotor facing the magnetic pole, and the second conductor is disposed on an axial end face of the second rotor. 2. The rotating electric machine according to claim 1, wherein the conductors are arranged, and the columnar stator is arranged so as to face the second conductor in the axial direction. 3. 4. The rotating electric machine according to claim 1, wherein a permanent magnet is used as a magnetic pole of said first rotor. 5. A permanent magnet is arranged on a surface of the second rotor facing the stator.
4. The rotating electric machine according to any one of 4. 6. The rotating electric machine according to claim 1, wherein the first conductor and the second conductor of the second rotor are electrically connected. 7. A motor is coupled to an input / output shaft of the first rotor of the rotating electric machine, a power converter is connected to a stator coil of the stator, and a battery is connected to the power converter. The hybrid drive device including the rotating electric machine according to claim 1, wherein a load is coupled to an input / output shaft of the second rotor. 8. The hybrid drive according to claim 7, wherein the electric energy of the battery is supplied to the rotating electric machine via the power converter, and the prime mover is started by the rotating energy of the rotating electric machine. How to operate the device. 9. transmitting the rotational energy of the prime mover to the load via the first and second rotors, and generating electric energy between the second rotor and the stator; The method according to claim 7, wherein the power is supplied to a battery via the power converter. 10. The operating method of the hybrid drive device according to claim 7, wherein the load is rotationally driven using both rotational energy of the prime mover and electric energy of the battery. 11. The method according to claim 7, wherein the motor is rotated at a constant speed, and the load is operated at a variable speed by the rotating electric machine. 12. The method according to claim 7, wherein the rotational energy of the load is regenerated as electric energy to the battery via the rotating electric machine.