MOTOR DRIVING DEVICE FOR PROTECTING INRUSH CURRENT
First Claim
Patent Images
1. A motor driving device comprising:
- a rectifier having at least one input terminal, a first output terminal and a second output terminal, the input terminal of the rectifier electrically connected to a power source;
a resistor having a first terminal and a second terminal, the first terminal of the resistor being in direct contact with the first output terminal of the rectifier;
a capacitor having a first terminal and a second terminal, the first terminal of the capacitor being in direct contact with the second terminal of the resistor, the second terminal of the capacitor being in direct contact with the second output terminal of the rectifier;
an electronic switch connected to the resistor in parallel, wherein one end of the electronic switch is in direct contact with the first terminal of the resistor, and another end of the electronic switch is in direct contact with the second terminal of the resistor; and
a driving circuit having a first input terminal, a second input terminal and at least one output terminal, the first input terminal of the driving circuit being in direct contact with the first terminal of the resistor, the second input terminal of the driving circuit being in direct contact with the second terminal of the capacitor, the output terminal of the driving circuit being in direct contact with a motor.
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Abstract
A motor driving device for protecting inrush current is disclosed, where the motor driving device includes a resistor, a capacitor, an electronic switch, a rectifier and a driving circuit. The capacitor is connected to the resistor in series. The electronic switch is connected to the resistor in parallel. The rectifier is connected to the resistor and the capacitor in parallel and is electrically connected to a power source. The driving circuit is connected to the resistor and the capacitor in parallel and is electrically connected to a motor.
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Citations
15 Claims
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1. A motor driving device comprising:
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a rectifier having at least one input terminal, a first output terminal and a second output terminal, the input terminal of the rectifier electrically connected to a power source; a resistor having a first terminal and a second terminal, the first terminal of the resistor being in direct contact with the first output terminal of the rectifier; a capacitor having a first terminal and a second terminal, the first terminal of the capacitor being in direct contact with the second terminal of the resistor, the second terminal of the capacitor being in direct contact with the second output terminal of the rectifier; an electronic switch connected to the resistor in parallel, wherein one end of the electronic switch is in direct contact with the first terminal of the resistor, and another end of the electronic switch is in direct contact with the second terminal of the resistor; and a driving circuit having a first input terminal, a second input terminal and at least one output terminal, the first input terminal of the driving circuit being in direct contact with the first terminal of the resistor, the second input terminal of the driving circuit being in direct contact with the second terminal of the capacitor, the output terminal of the driving circuit being in direct contact with a motor. - View Dependent Claims (2, 3, 4)
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5. A motor driving device comprising:
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a rectifier having at least one input terminal, a first output terminal and a second output terminal, the input terminal of the rectifier electrically connected to a power source; a first resistor having a first terminal and a second terminal, the first terminal of the first resistor being in direct contact with the first output terminal of the rectifier; a first capacitor having a first terminal and a second terminal, the first terminal of the first capacitor being in direct contact with the second terminal of the first resistor, the second terminal of the first capacitor being in direct contact with the second output terminal of the rectifier; a first electronic switch connected to the first resistor in parallel, wherein one end of the first electronic switch is in direct contact with the first terminal of the first resistor, and another end of the first electronic switch is in direct contact with the second terminal of the first resistor; a driving circuit having a first input terminal, a second input terminal and at least one output terminal, the first input terminal of the driving circuit being in direct contact with the first terminal of the first resistor, the second input terminal of the driving circuit being in direct contact with the second terminal of the first capacitor, the output terminal of the driving circuit being in direct contact with a motor; and a power regeneration unit having first input terminal, a second input terminal and at least one output terminal, the first input terminal of the power regeneration unit electrically connected to the first terminal of the first resistor, the second input terminal of the power regeneration unit electrically connected the second terminal of the first capacitor, the output terminal of the power regeneration unit electrically connected to the power source. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A motor driving device comprising:
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a power regeneration circuit having first terminal, a second terminal and a third terminal, the first terminal of the power regeneration circuit electrically connected to a power source; a resistor having a first terminal and a second terminal, the first terminal of the resistor being in direct contact with the second terminal of the power regeneration circuit; a capacitor having a first terminal and a second terminal, the first terminal of the capacitor being in direct contact with the second terminal of the resistor, the second terminal of the capacitor being in direct contact with the third terminal of the power regeneration circuit; an electronic switch connected to the resistor in parallel, wherein one end of the electronic switch is in direct contact with the first terminal of the resistor, and another end of the electronic switch is in direct contact with the second terminal of the resistor; and a driving circuit having a first input terminal, a second input terminal and at least one output terminal, the first input terminal of the driving circuit being in direct contact with the first terminal of the resistor, the second input terminal of the driving circuit being in direct contact with the second terminal of the capacitor, the output terminal of the driving circuit being in direct contact with a motor. - View Dependent Claims (13, 14, 15)
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Specification