Cross-interlocked switch type DC electric machine having auxiliary excitation winding and conduction ring and brush

Patent metadata

Field	Value
Publication number	US-9543797-B2
Application number	US-201313914877-A
Country	US
Kind code	B2
Filing date	Jun 11, 2013
Priority date	Jun 11, 2012
Publication date	Jan 10, 2017
Grant date	Jan 10, 2017

Abstract

The present invention relates to a multi-set switched DC electric machine having conduction ring and brush and having its rotary part of electric machine being installed with an auxiliary excitation winding set, which is served to be driven by the DC power source or by the DC power source rectified from the AC power source, for being connected in series with a magnetic field winding set of electric machine of another electric machine through the auxiliary excitation winding set installed on the rotary part of electric machine, such that the excitation can be variable through altering the current of the magnetic field winding set of electric machine of the another electric machine thereby changing the operational characteristic of the electric machine.

First claim

The invention claimed is:

1. A cross-interlocked switch type DC electric machine system having auxiliary excitation winding and conduction ring and brush, said system including a first switched DC electric machine ( 1001 ) having conduction ring and brush and a second switched DC electric machine ( 1002 ) having conduction ring and brush, comprising:
a first drive control device ( 103 ) of the first electric machine ( 1001 ): constituted by a drive electric control device arranged to receive signals from a first electric machine angular position sensor ( 106 ), for controlling the timing, the polarity, the phase sequence and the value of voltage and current of the power supply excitation when the first magnetic field winding set ( 102 ) of a first electric machine is operated as a motor, or controlling the timing, the polarity, the phase sequence and the value of voltage and current of outputting electric power when the first magnetic field winding set of the first electric machine is operated as a power generator;
a first magnetic field structure ( 101 ) of the first electric machine ( 1001 ): installed with the first magnetic field winding set ( 102 ) having two or more phases, coupled to a first rotary part ( 104 ) of the first electric machine, the magnetic loop formed by the first magnetic field structure ( 101 ) and the first rotary part ( 104 ) allowing the shifting magnetic field of the first magnetic field winding set ( 102 ) to pass, thereby generating an electromechanical effect between the first magnetic field structure ( 101 ) and the first rotary part ( 104 );
the first magnetic field winding set ( 102 ): constituted by a winding set installed in the first magnetic field structure ( 101 ) having two or more phases; controlled by the excitation control of the first drive control device ( 103 ) while being operated as a motor, thereby generating shifting magnetic fields, and generating a motor actuation effect with the first rotary part ( 104 ); while being operated as a power generator, the first magnetic field winding set ( 102 )-being controlled by the first drive control device ( 103 ), thereby controlling the voltage and current of outputting electric power;
the first electric machine angular position sensor ( 106 ): installed between the first magnetic field structure ( 101 ) and the first rotary part ( 104 ) which relatively revolve, thereby sensing the relative location relation between the shifting magnetic field generated by the first magnetic field winding set ( 102 ) of the first magnetic field structure ( 101 ) and the first rotary part ( 104 ), and sending sensing signals to the first drive control device ( 103 );
the first rotary part ( 104 ): constituted by magnetic conductive materials, the first rotary part ( 104 ) being provided with a number of magnetic poles that is the same as or different from that of the first magnetic field structure ( 101 ), wherein a magnetic pole of the first rotary part ( 104 ) is installed with a first serial type auxiliary excitation winding set ( 105 ), thereby transmitting the excitation electric power between the mentioned winding set and the exterior through the first electric conduction ring and brush device ( 107 );
the first serial type auxiliary excitation winding set ( 105 ): wound on the magnetic pole of the first rotary part ( 104 ), and transmitting the electric power between the mentioned winding set and the exterior through the first electric conduction ring and brush device ( 107 ), wherein the first serial type auxiliary excitation winding set ( 105 ) is connected in series through the output end of the first electric conduction ring and brush device ( 107 ) with the electric power input end of a second drive control device ( 203 ) of a second magnetic field winding set ( 202 ) of a second electric machine, and then connected to the DC power source;
the first electric conduction ring and brush device ( 107 ): respectively installed between the revolving rotary part of electric machine and the exterior, so that while the rotary part is revolving, the electric power is enabled to be transmitted between the first serial type auxiliary excitation winding set ( 105 ) and the exterior;
a second drive control device ( 203 ) of the second electric machine ( 1002 ): constituted by a drive electric control device arranged to receive signals from a second electric machine angular position sensor ( 206 ), for controlling the timing, the polarity, the phase sequence and the value of voltage and current of the power supply excitation when the second magnetic field winding set ( 202 ) of a second electric machine is operated as a motor, or controlling the timing, the polarity, the phase sequence and the value of voltage and current of outputting electric power when the second magnetic field winding set of the second electric machine is operated as a power generator;
a second magnetic field structure ( 201 ) of the second electric machine ( 1002 ): installed with the second magnetic field winding set ( 202 ) having two or more phases, coupled to a second rotary part ( 204 ) of the second electric machine, the magnetic loop formed by the second magnetic field structure ( 201 ) and the second rotary part ( 204 ) allowing the shifting magnetic field of the second magnetic field winding set ( 202 ) to pass, thereby generating an electromechanical effect between the second magnetic field structure ( 201 ) and the second rotary part ( 204 );
the second magnetic field winding set ( 202 ): constituted by a winding set installed in the second magnetic field structure ( 201 ) having two or more phases; controlled by the excitation control of the second drive control device ( 203 ) while being operated as a motor, thereby generating shifting magnetic fields, and generating a motor actuation effect with the second rotary part ( 204 ); while being operated as a power generator, the second magnetic field winding set ( 202 ) being controlled by the second drive control device ( 203 ), thereby controlling the voltage and current of outputting electric power;
the second electric machine angular position sensor ( 206 ): installed between the second magnetic field structure ( 201 ) and the second rotary part ( 204 ) which relatively revolve, thereby sensing the relative location relation between the shifting magnetic field generated by the second magnetic field winding set ( 202 ) of the second magnetic field structure ( 201 ) and the second rotary part ( 204 ), and sending second sensing signals to the second drive control device ( 203 );
the second rotary part ( 204 ): constituted by magnetic conductive materials, the second rotary part ( 204 ) being provided with a number of magnetic poles that is the same or different from that of the second magnetic field structure ( 201 ), wherein a magnetic pole of the second rotary part ( 204 ) is installed with a second serial type auxiliary excitation winding set ( 205 ) thereby transmitting the excitation electric power between the mentioned winding set and the exterior through a second electric conduction ring and brush device ( 207 );
the second serial type auxiliary excitation winding set ( 205 ): wound on the magnetic pole of the second rotary part ( 204 ), and transmitting the electric power between the mentioned winding set and the exterior through the second electric conduction ring and brush device ( 207 ), wherein the second serial type auxiliary excitation winding set ( 205 ) is connected in series through the output end of the second electric conduction ring and brush device ( 207 ) with the electric power input end of the first drive control device ( 103 ) of the first magnetic field winding set ( 102 ), and then connected to the DC power source;
the second electric conduction ring and brush device ( 207 ): respectively installed between the revolving rotary part of the second electric machine and the exterior,

Assignees

• Yang Tai-Her

Inventors

• Yang Tai-Her

Classifications

• H02P7/282

  controlling field supply only · CPC title

• H02K3/28 Primary

  Layout of windings or of connections between windings (windings for pole-changing H02K17/06, H02K17/14, H02K19/12, H02K19/32) · CPC title

• H02P5/685 Primary

  electrically connected in series, i.e. carrying the same current · CPC title