Non-contact feeding device for elevator car
A non-contact, feeding device technology, applied in the direction of circuits, inductors, electrical components, etc., can solve the problems of complex manufacturing process and high price, and achieve the effects of low equipment cost, increased power, and excellent power transmission efficiency
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[0055] Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0056] The first embodiment
[0057] Fig. 1 is a schematic diagram showing a main part of an elevator system incorporating a non-contact power feeding device to an elevator car according to a first embodiment of the present invention.
[0058] A control panel 23 and a hoist 24 are installed in a machine room 22 provided on the upper side of an elevator hoistway 21 formed in a building such as a building. On the main pulley 25 and the deflector pulley 26 of the hoist 24, one end is hung with a car 27 installed, and the other end is installed with a main rope 29 of a balance weight 28.
[0059] In the control panel 23 that supplies single-phase AC power from an external single-phase commercial power source 30 through a power cable 31, a motor drive circuit for driving the motor in the hoist 24 is installed. In addition, an operation control unit is installed in the control pa...
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