HIGH EFFICIENCY CHARGING APPARATUS USING SWITCHING ARRANGEMENT AND CHARGING/DISCHARGING
First Claim
1. A high efficiency charging apparatus, comprising:
- a power supply which is a source for supplying electricity for charging;
a speed setting unit setting an oscillating frequency and outputting an electrical self-oscillating signal having a frequency corresponding to the oscillating frequency;
a switching unit having a plurality of switches which are driven by the electrical self-oscillating signal supplied from the speed setting unit; and
a power transmitting unit charging current in the power supply multiple times according to a drive state of the plurality of switches of the switching unit and discharging the charged current at a time to supply the discharged current to a battery.
1 Assignment
0 Petitions
Accused Products
Abstract
A high efficiency charging apparatus, comprising a power supply which is a source for supplying electricity for charging; a speed setting unit setting an oscillating frequency and outputting an electrical self-oscillating signal having a frequency corresponding to the oscillating frequency; a switching unit having a plurality of switches which are driven by the electrical self-oscillating signal supplied from the speed setting unit; and a power transmitting unit charging current in the power supply multiple times according to a drive state of the plurality of switches of the switching unit and discharging the charged current at a time to supply the discharged current to the battery. The charging apparatus improves charging efficiency and reduces a charging time of a lead or nickel battery used in a vehicle or the like.
8 Citations
8 Claims
-
1. A high efficiency charging apparatus, comprising:
-
a power supply which is a source for supplying electricity for charging; a speed setting unit setting an oscillating frequency and outputting an electrical self-oscillating signal having a frequency corresponding to the oscillating frequency; a switching unit having a plurality of switches which are driven by the electrical self-oscillating signal supplied from the speed setting unit; and a power transmitting unit charging current in the power supply multiple times according to a drive state of the plurality of switches of the switching unit and discharging the charged current at a time to supply the discharged current to a battery. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A high efficiency charging apparatus, comprising:
-
a power supply which is a source for supplying electricity for charging; a speed setting unit setting an oscillating frequency and outputting an electrical self-oscillating signal having a frequency corresponding to the oscillating frequency; a switching unit having a plurality of switches which are driven by the electrical self-oscillating signal supplied from the speed setting unit; and a power transmitting unit charging current in the power supply multiple times according to a drive state of the plurality of switches of the switching unit and discharging the charged current at a time to supply the discharged current to a battery. wherein the power transmitting unit comprises; a first field effect transistor (FET) which is driven by a switching signal through a first switch of the switching unit to form a closed loop for primarily charging the electric power of the power supply in a capacitor and is driven by a switching signal through a second switch of the switching unit and a condenser to form a closed loop for secondarily charging the electric power of the power supply in the capacitor; a second FET which is driven by a switching signal through a third switch of the switching unit to form a closed loop for tertiarily charging the electric power of the power supply in the capacitor; and a third FET which is driven by a switching signal through a fourth switch of the switching unit to form a closed loop connecting between the capacitor and the battery and between the battery and the power supply. - View Dependent Claims (7)
-
-
8. A high efficiency charging apparatus, comprising:
-
a power supply which is a source for supplying electricity for charging; a speed setting unit setting an oscillating frequency and outputting an electrical self-oscillating signal having a frequency corresponding to the oscillating frequency; a switching unit having a plurality of switches which are driven by the electrical self-oscillating signal supplied from the speed setting unit; and a power transmitting unit charging current in the power supply multiple times according to a drive state of the plurality of switches of the switching unit and discharging the charged current at a time to supply the discharged current to a battery; wherein the switches of the switching unit are repeatedly driven having a time difference therebetween, such that a process of performing charging three times and performing discharging one time are repeated to charge the electric power of the power supply in the battery.
-
Specification