SCROLL COMPRESSION DEVICE AND METHOD FOR MAGNETIZING SCROLL COMPRESSION DEVICE
A scroll compression device that enhances the efficiency of workability of magnetization of windings is provided. A scroll compression mechanism 11 for compressing refrigerant and a driving shaft 13 that is connected to the scroll compression mechanism 11 through a driving shaft 15 and drives the scroll compression mechanism 11 are accommodated in a casing 3 , the scroll compression mechanism 11 is supported in the casing 3 by a main frame 21 , a rotor 39 of the driving motor 13 is connected to the driving shaft 15 , the driving shaft 15 is supported in the casing 3 by a bearing plate 8 , a pickup 45 is connected to an oil supply path 41 extending in an up-and-down direction in the driving shaft 15 , and a holder 58 extending in a radial direction is provided in the oil supply path 41 at the back side of the pickup 45.
1 . A scroll compression device, characterized in that a scroll compression mechanism for compressing refrigerant and a driving shaft that is connected to the scroll compression mechanism through a driving shaft and drives the scroll compression mechanism are accommodated in a casing:
the scroll compression mechanism is supported in the casing by a main frame;
a rotor of the driving motor is connected to the driving shaft,
the driving shaft is supported in the casing by a bearing plate;
a pickup is connected to an oil supply path extending in an up-and-down direction in the driving shaft; and
a holder extending in a radial direction is provided in the oil supply path at the back side of the pickup.
2 . The scroll compression device according to claim 1 , wherein the holder is a pin member penetrating through the oil supply path.
3 . The scroll compression device according to claim 1 , wherein a lower balancer is provided to a lower portion of the rotor of the driving motor, a regulation plate for regulating rotation of the rotor is provided to the lower surface of the lower balancer, and a plurality of lock groove portions are provided on the outer periphery of the regulation plate.
4 . The scroll compression device according to claim 3 , wherein the bearing plate has a plurality of opening portions through which spaces above and below the bearing plate intercommunicate with each other, and the inner dimension of the plurality of lock groove portions of the regulation plate is set to be larger than the inner dimension of the plurality of opening portions.
5 . The scroll compression device according to claim 1 , wherein the driving motor is a DC driving motor driven by an inverter.
6 . A magnetizing method for the scroll compression device according to claim 1 , comprising:
detaching the pickup,
inserting a rotating jig into the oil supply path; and
repeating an operation of locking the tip of the rotating jig to the holder, rotating the driving shaft by a predetermined angle and then stopping the driving shaft through operation of the rotating jig, applying a voltage to windings of the driving motor, rotating the driving shaft by a predetermined angle and stopping the driving shaft again, and applying the voltage to thereby magnetize the rotor.
7 . A magnetizing method for the scroll compression device according to claim 4 , comprising:
detaching the pickup,
inserting a rotating jig into the oil supply path; and
repeating an operation of locking the tip of the rotating jig to the holder, rotating the driving shaft by a predetermined angle and then stopping the driving shaft through operation of the rotating jig, applying a voltage to windings of the driving motor, rotating the driving shaft by a predetermined angle and stopping the driving shaft again, and applying the voltage to thereby magnetize the rotor, wherein a rotation regulation jig is locked to the plurality of lock groove portions provided on the outer periphery of the regulation plate, and rotation of the rotor under the magnetization is regulated by the rotation regulating jig.
8 . The scroll compression device according to claim 2 , wherein a lower balancer is provided to a lower portion of the rotor of the driving motor, a regulation plate for regulating rotation of the rotor is provided to the lower surface of the lower balancer, and a plurality of lock groove portions are provided on the outer periphery of the regulation plate.
9 . The scroll compression device according to claim 2 , wherein the driving motor is a DC driving motor driven by an inverter.
10 . The scroll compression device according to claim 3 , wherein the driving motor is a DC driving motor driven by an inverter.
11 . The scroll compression device according to claim 4 , wherein the driving motor is a DC driving motor driven by an inverter.
12 . A magnetizing method for the scroll compression device according to claim 2 , comprising:
detaching the pickup;
inserting a rotating jig into the oil supply path; and
repeating an operation of locking the tip of the rotating jig to the holder, rotating the driving shaft by a predetermined angle and then stopping the driving shaft through operation of the rotating jig, applying a voltage to windings of the driving motor, rotating the driving shaft by a predetermined angle and stopping the driving shaft again, and applying the voltage to thereby magnetize the rotor.
13 . A magnetizing method for the scroll compression device according to claim 3 , comprising:
detaching the pickup;
inserting a rotating jig into the oil supply path; and
repeating an operation of locking the tip of the rotating jig to the holder, rotating the driving shaft by a predetermined angle and then stopping the driving shaft through operation of the rotating jig, applying a voltage to windings of the driving motor, rotating the driving shaft by a predetermined angle and stopping the driving shaft again, and applying the voltage to thereby magnetize the rotor.
14 . A magnetizing method for the scroll compression device according to claim 4 , comprising:
detaching the pickup;
inserting a rotating jig into the oil supply path; and
repeating an operation of locking the tip of the rotating jig to the holder, rotating the driving shaft by a predetermined angle and then stopping the driving shaft through operation of the rotating jig, applying a voltage to windings of the driving motor, rotating the driving shaft by a predetermined angle and stopping the driving shaft again, and applying the voltage to thereby magnetize the rotor.
15 . A magnetizing method for the scroll compression device according to claim 5 , comprising:
detaching the pickup;
inserting a rotating jig into the oil supply path; and
repeating an operation of locking the tip of the rotating jig to the holder, rotating the driving shaft by a predetermined angle and then stopping the driving shaft through operation of the rotating jig, applying a voltage to windings of the driving motor, rotating the driving shaft by a predetermined angle and stopping the driving shaft again, and applying the voltage to thereby magnetize the rotor.
16 . A magnetizing method for the scroll compression device according to claim 5 , comprising:
detaching the pickup;
inserting a rotating jig into the oil supply path; and
repeating an operation of locking the tip of the rotating jig to the holder, rotating the driving shaft by a predetermined angle and then stopping the driving shaft through operation of the rotating jig, applying a voltage to windings of the driving motor, rotating the driving shaft by a predetermined angle and stopping the driving shaft again, and applying the voltage to thereby magnetize the rotor, wherein a rotation regulation jig is locked to the plurality of lock groove portions provided on the outer periphery of the regulation plate, and rotation of the rotor under the magnetization is regulated by the rotation regulating jig.