Battery charging apparatus
First Claim
1. An apparatus for charging a battery comprising:
- an alternating current power source including a first electrode and a second electrode and supplying an alternating voltage for charging the battery;
a diode including an anode electrode connected to the battery and a cathode electrode connected to the second electrode and half-wave rectifying the alternating voltage applied from the alternating current power source;
a three-phase motor connected to the first electrode and transmitting to the battery the half-wave rectified voltage applied from the diode and the alternating current power source; and
an inverter connected between the three-phase motor and the battery and converting the voltage applied from the three-phase motor into a direct voltage to transmit the direct voltage to the battery.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention provides a battery charging apparatus with reduced weight, volume and manufacturing cost. The apparatus includes: an alternating current power source including a first electrode and a second electrode and supplying an alternating voltage for charging the battery; a diode including an anode electrode connected to the battery and a cathode electrode connected to the second electrode and half-wave rectifying the alternating voltage applied from the alternating current power source; a three-phase motor connected to the first electrode and transmitting to the battery the half-wave rectified voltage applied from the diode and the alternating current power source; and an inverter connected between the three-phase motor and the battery and converting the voltage applied from the three-phase motor into a direct voltage to transmit the direct voltage to the battery. Alternatively, the apparatus may comprise an alternating current power source, an inverter, a three-phase motor and a switching unit.
16 Citations
6 Claims
-
1. An apparatus for charging a battery comprising:
-
an alternating current power source including a first electrode and a second electrode and supplying an alternating voltage for charging the battery; a diode including an anode electrode connected to the battery and a cathode electrode connected to the second electrode and half-wave rectifying the alternating voltage applied from the alternating current power source; a three-phase motor connected to the first electrode and transmitting to the battery the half-wave rectified voltage applied from the diode and the alternating current power source; and an inverter connected between the three-phase motor and the battery and converting the voltage applied from the three-phase motor into a direct voltage to transmit the direct voltage to the battery.
-
-
2. An apparatus for charging a battery comprising:
-
an alternating current power source supplying an alternating voltage for charging the battery; a three-phase motor connected to the alternating current power source and including windings and a neutral point; an inverter connected between the three-phase motor and the battery and converting the alternating voltage applied from the alternating current power source into a direct voltage to transmit the direct voltage to the battery; and a switching unit including a first switch, a second switch, and a third switch and connected to the neutral point of the three-phase motor and the respective windings of the three-phase motor. - View Dependent Claims (3, 4, 5, 6)
-
Specification