PSC motor with 4/6 pole common windings
View Patent ↗A PSC motor includes a stator core, a rotor arranged in a rotation relationship with respect to the stator core, a first to eighth winding coil sets wound around the stator core and a capacitor. The motor has two kinds of configurations for 4-pole and 6-pole operation modes, respectively. Both configurations comprise a primary winding and a secondary winding which is connected in series with the capacitor, and have two reversible operation directions. The configurations operate different sets of winding coils when operating in different directions.
1. A PSC motor includes:
a stator core;
a rotor arranged in a rotation relationship with respect to the stator core;
a first to eighth winding coil sets (L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7 , L 8 ) wound around the stator core; and
a capacitor (C 1 ),
wherein the motor has two kinds of configurations for 4-pole and 6-pole operation modes, respectively,
wherein the configuration for the 4-pole mode comprises a primary winding and a secondary winding which is connected in series with the capacitor (C 1 ), and has two reversible operation directions, when operating at one direction, the primary winding including the first to fourth winding coil sets (L 1 , L 2 , L 3 , L 4 ), and the secondary winding including the fifth to the eighth winding coil sets (L 5 , L 6 , L 7 , L 8 ); and when operating at another direction, the primary winding including the fifth to the eighth winding coil sets (L 5 , L 6 , L 7 , L 8 ), and the secondary winding including the first to fourth winding coil sets (L 1 , L 2 , L 3 , L 4 ),
and wherein the configuration for the 6-pole mode comprises a primary winding and a secondary winding which is connected in series with the capacitor (C 1 ), and has two reversible operation directions, when operating at one direction, the primary winding including the first, second, fifth and seventh winding coil sets (L 1 , L 2 , L 5 , L 7 ), and the secondary winding including the third, fourth, sixth and eighth winding coil sets (L 3 , L 4 , L 6 , L 8 ); and when operating at another direction, the primary winding including the third, fourth, sixth and eighth winding coil sets (L 3 , L 4 , L 6 , L 8 ), and the secondary winding including the first, second, fifth and seventh winding coil sets (L 1 , L 2 , L 5 , L 7 ).
2. The PSC motor of claim 1 , wherein the PSC motor further includes a switch assembly, which is connected with the first to eighth winding coil sets (L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7 , L 8 ) to switch selectively between the 4-pole and 6-pole configurations.
3. The PSC motor of claim 2 , wherein the PSC motor further includes an additional capacitor (C 2 ) which is connected in parallel to the capacitor (C 1 ) via the switch assembly in the 4-pole configuration.
4. The PSC motor of claim 3 wherein the switch assembly of the PSC motor is a relay.
5. The PSC motor of claim 2 wherein the switch assembly of the PSC motor is a relay.
6. The PSC motor of claim 1 , wherein the PSC motor further includes a switch which is connected between the windings of the motor and a power supply receptacle to selectively switch between the two operation directions of the 4-pole/6-pole configurations.
7. A PSC motor system includes:
a PSC motor according to claim 1 ;
a power supply port which is connected to an outside power source;
a switch assembly which is adapted to switch selectively between the 4-pole and 6-pole configurations of the motor; and
a switch which is connected between the power supply port and the windings of the motor to switch selectively the operation directions of the 4-pole/6-pole configurations.
8. The PSC motor system of claim 7 , wherein the switch assembly of the PSC motor is a relay, which is separate from the motor and arranged at a control board.
9. A PSC motor includes:
a stator core;
a rotor arranged in a rotation relationship with respect to the stator core;
a first to eighth winding coil sets (L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7 , L 8 ) and an additional winding coil set (L 9 ) wound around the stator core; and
a capacitor,
wherein the motor has two kinds of configurations for 4-pole and 6-pole operation modes, respectively,
wherein the configuration for the 4-pole mode comprises a primary winding and a secondary winding which is connected in series with the capacitor (C 1 ), and has two reversible operation directions, when operating at one direction, the primary winding including the first to fourth winding coil sets (L 1 , L 2 , L 3 , L 4 ) and the additional winding coil set (L 9 ), and the secondary winding including the fifth to the eighth winding coil sets (L 5 , L 6 , L 7 , L 8 ); and when operating at another direction, the primary winding including the fifth to the eighth winding coil sets (L 5 , L 6 , L 7 , L 8 ), and the secondary winding includes the first to fourth winding coil sets (L 1 , L 2 , L 3 , L 4 ) and the additional winding coil set (L 9 ),
and wherein the configuration for 6-pole mode comprises a primary winding and a secondary winding which is connected in series with the capacitor (C 1 ), and has two reversible operation directions, when operating at one direction, the primary winding including the first, second, fifth and seventh winding coil sets (L 1 , L 2 , L 5 , L 7 ), and the secondary winding including the third, fourth, sixth and eighth winding coil sets (L 3 , L 4 , L 6 , L 8 ); and when operating at another direction, the primary winding including the third, fourth, sixth and eighth winding coil sets (L 3 , L 4 , L 6 , L 8 ), and the secondary winding including the first, second, fifth and seventh winding coil sets (L 1 , L 2 , L 5 , L 7 ).
10. The PSC motor of claim 9 , wherein the PSC motor further includes a switch assembly, which is connected with the first to eighth winding coil sets (L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7 , L 8 ) and the additional winding coil set (L 9 ) to switch selectively between the 4-pole and 6-pole configurations.
11. The PSC motor of claim 10 , wherein the PSC motor further includes an additional capacitor (C 2 ) which is connected in parallel to the capacitor (C 1 ) via the switch assembly in the 4-pole configuration.
12. The PSC motor of claim 11 wherein the switch assembly of the PSC motor is a relay.
13. The PSC motor of claim 10 wherein the switch assembly of the PSC motor is a relay.
14. The PSC motor of claim 9 , wherein the PSC motor further includes a switch which is connected between the windings of the motor and a power supply receptacle to switch selectively between the two operation directions of the 4-pole/6-pole configurations.
15. A PSC motor system includes:
a PSC motor according to claim 9 ;
a power supply port which is connected to an outside power source;
a switch assembly which is adapted to switch selectively between the 4-pole and 6-pole configurations of the motor; and
a switch which is connected between the power supply port and the windings of the motor to switch selectively the operation directions of the 4-pole/6-pole configurations.