IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0192384
(2008-08-15)
|
등록번호 |
US-7554303
(2009-07-09)
|
우선권정보 |
JP-2008-127862(2008-05-15) |
발명자
/ 주소 |
|
출원인 / 주소 |
- Kawamura, Hideo
- Megumi Kawamura
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
14 인용 특허 :
4 |
초록
▼
The controller of permanent magnet generator controls the current by using control switch which is installed in between power coil and control coil and switches on and off in switches in order to generate two different voltage and increase the power at very low speed condition of generator. The cont
The controller of permanent magnet generator controls the current by using control switch which is installed in between power coil and control coil and switches on and off in switches in order to generate two different voltage and increase the power at very low speed condition of generator. The controller controls the voltage of power coil constantly by adjusting current of flowing in the control switch which the voltage is sensed on the load voltage sensor and the controller control the voltage constantly at very small speed by using power switches furthermore, the controller controls the two kind of voltage in power coils constantly by using control switch and switches in case of the generator having different kind of voltages.
대표청구항
▼
The invention claimed is: 1. A controller of a permanent magnet generator, comprising: a rotor shaft rotatably supported by a housing; a rotor fixed to the rotor shaft, and mounted with a plurality of permanent magnet members on an outer periphery side; and a stator disposed at the outside of the r
The invention claimed is: 1. A controller of a permanent magnet generator, comprising: a rotor shaft rotatably supported by a housing; a rotor fixed to the rotor shaft, and mounted with a plurality of permanent magnet members on an outer periphery side; and a stator disposed at the outside of the rotor and wound with a winding coil; wherein the winding coil of the stator is formed of a power coil and a control coil connected in series to the power coil and larger in the number of windings than the power coil, and a power terminal is provided at least between the power coil and the control coil, and a switch for letting flow a part of a current generated in the power coil to the control coil and a controller for controlling a current amount flowing into the control coil by controlling ON/OFF of the switch so that a generated voltage is controlled to a voltage set in advance in response to a detection signal from a sensor for detecting the generated voltage by the power coil are provided. 2. The controller of the permanent magnet generator according to claim 1, wherein the power coil is connected in series with a plurality of winding coils, and a plurality of power terminals are provided. 3. The controller of the permanent magnet generator according to claim 2, wherein the power coils are the plurality of winding coils mutually different in the number of windings, and the plurality of power terminals output mutually different voltages. 4. The controller of the permanent magnet generator according to claim 1, wherein the control coil comprises a solenoid coil disposed at a position not interlinked with a magnetic flux of the rotor. 5. The controller of the permanent magnet generator according to claim 1, wherein the switch is disposed between the power coil and the control coil. 6. The controller of the permanent magnet generator according to claim 4, wherein the power coil and the control coil are connected by star-connection or delta-connection as a three-phase AC generator, the end portion of the solenoid coil is connected in a star shape, and the power terminals of U, V, and W phase of the three-phase AC are connected to a rectifier, respectively, a load is sent with a power, and the power coil is provided with the power terminal of a single voltage or a plurality of different voltages. 7. The controller of the permanent magnet generator according to claim 3, wherein the plurality of power terminals of the power coil are provided with a power switch for performing output switching, respectively, and the controller performs a control such that, when a rotational speed of the rotor is low, the power switch of the power terminal by the side of the large number of windings of the power coil is turned ON, and at the same time the power switch of the power terminal by the side of the small number of windings of the power coil is turned OFF, and when the rotational speed of the rotor is high, the power switch of the power terminal by the side of the small number of windings of the power coil is turned ON, and at the same time the power switch of the power terminal by the side of the large number of windings of the power coil is turned OFF. 8. The controller of the permanent magnet generator according to claim 1, wherein a voltage of the power terminal of the power coil and a voltage of the control coil have a relationship of the output side voltage=the control side voltage×(the output side number of windings)/(the control side number of windings), and can increase and decrease the current amount flowing into the control coil by the switch. 9. The controller of the permanent magnet generator according to claim 1, wherein the controller regulates the current amount flowing into the control coil by duty-controlling the switch and controls the generated voltage to the voltage set in advance. 10. The controller of the permanent magnet generator according to claim 1, wherein the controller duty-controls the switch in response to the detection signal form the sensor, when the generated voltage is high, increases the current amount flowing into the control coil, and when the generated voltage is low, decreases the current amount flowing into the control coil, thereby controls the generated voltage to the voltage set in advance. 11. The controller of the permanent magnet generator according to claim 3, wherein the plurality of power terminals of the power coil are provided with a power switch for performing output switching, respectively, and the controller, based on the output voltage of the power terminal connected with a main power source, controls the current amount flowing into the control coil, thereby obtains the voltage set in advance. 12. The controller of the permanent magnet generator according to claim 11, wherein the controller performs a control such that, when the main power source is required to supply an excessive power, the power switch provided in the power terminal connected with the main power source is turned ON and the other power switch is turned OFF. 13. The controller of the permanent magnet generator according to claim 3, wherein the plurality of power terminals for outputting different voltages are connected with either of a rectifier or a storage battery, respectively, the controller controls the current amount flowing into the control coil in response to a variation of a voltage of a load of the rectifier or the storage battery which is a main power source, and controls the generated voltage to the voltage set in advance. 14. The controller of the permanent magnet generator according to claim 1, wherein the power terminal of the power coil is provided with a generator side switch for ON/OFF-controlling a connection with the power terminal and a load by an instruction from the controller of the generator side and an electric motor side switch for ON/OFF-controlling a connection with an electric motor side storage battery and the power terminal by an instruction from an electric motor side controller, and the switch and the generator side switch are turned OFF by the instruction from the generator side controller, the electric motor side switch is turned ON by the instruction from the electric motor side controller, and while detecting a position of the rotor, the power coil is supplied with a current from the electric motor side storage battery, thereby drives the rotor. 15. The controller of the permanent magnet generator according to claim 3, wherein the power terminals provided in the plurality of power coils different in the number of windings are directly connected in series to an electric motor side switch and a storage battery connected in series, and the electric motor side switch is controlled by the controller so that the current flows to the power coil selected in response to a signal of a rotational speed. 16. The controller of the permanent magnet generator according to claim 15, wherein the controller performs a control such that, when a driving force is increased in a state in which a number of rotations of the rotor is large, the electric motor side switch connected to the power coil of the small number of windings is closed so as to supply the current, and at the same time, the electric motor side switch connected to the power coil of the large number of windings is opened, and when the driving force is increased in a state in which the number of rotations of the rotor is small, the electric motor side switch connected to the power coil of the large number of windings is closed so as to supply the current, and at the same time, the electric motor side switch connected to the power coil of the small number of windings is opened.
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