METHOD OF AUTOMATICALLY ADJUSTING DETERMINATION VOLTAGE AND VOLTAGE ADJUSTING DEVICE THEREOF
First Claim
1. A method of automatically adjusting a determination voltage used in an induction type power supply system, comprising:
- detecting an output voltage of a signal analysis circuit;
adding a first threshold value to the output voltage to generate a first determination voltage and subtracting a second threshold value from the output voltage to generate a second determination voltage;
outputting the first determination voltage as a reference voltage; and
comparing a trigger signal of the signal analysis circuit and the reference voltage, in order to generate a first data code;
wherein when the step of comparing the trigger signal of the signal analysis circuit and the reference voltage in order to generate the first data code fails, the method further comprises;
outputting the second determination voltage instead of the first determination voltage as the reference voltage, and comparing the trigger signal of the signal analysis circuit and the reference voltage, in order to generate a second data code.
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Accused Products
Abstract
A method of automatically adjusting a determination voltage used in an induction type power supply system includes detecting an output voltage of a signal analysis circuit; adding a first threshold value to the output voltage to generate a first determination voltage and subtracting a second threshold value from the output voltage to generate a second determination voltage; outputting the first determination voltage as a reference voltage; and comparing a trigger signal of the signal analysis circuit and the reference voltage, in order to generate a first data code; wherein when the step of comparing the trigger signal of the signal analysis circuit and the reference voltage in order to generate the first data code fails, the method further includes outputting the second determination voltage as the reference voltage and comparing the trigger signal of the signal analysis circuit and the reference voltage, in order to generate a second data code.
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Citations
21 Claims
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1. A method of automatically adjusting a determination voltage used in an induction type power supply system, comprising:
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detecting an output voltage of a signal analysis circuit; adding a first threshold value to the output voltage to generate a first determination voltage and subtracting a second threshold value from the output voltage to generate a second determination voltage; outputting the first determination voltage as a reference voltage; and comparing a trigger signal of the signal analysis circuit and the reference voltage, in order to generate a first data code; wherein when the step of comparing the trigger signal of the signal analysis circuit and the reference voltage in order to generate the first data code fails, the method further comprises; outputting the second determination voltage instead of the first determination voltage as the reference voltage, and comparing the trigger signal of the signal analysis circuit and the reference voltage, in order to generate a second data code. - View Dependent Claims (2, 3, 4)
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5. A determination voltage adjustment device used in an induction type power supply system, comprising:
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a detector, for detecting an output voltage of a signal analysis circuit; an adjustment microprocessor, electrically connected to the detector, for adding a first threshold value to the output voltage to generate a first determination voltage and subtracting a second threshold value from the output voltage to generate a second determination voltage; an output device, electrically connected to the adjustment microprocessor, for outputting the first determination voltage as a reference voltage; and a comparator, having two input terminals electrically connected to the detector and the output device respectively and an output terminal electrically connected to the adjustment microprocessor, for comparing a trigger signal of the signal analysis circuit and the reference voltage, in order to generate a first data code; wherein when the comparator fails to generate the first data code by comparing the trigger signal of the signal analysis circuit and the reference voltage, the output device outputs the second determination voltage instead of the first determination voltage as the reference voltage, and the comparator compares the trigger signal of the signal analysis circuit and the reference voltage, in order to generate a second data code. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A rectifier and signal feedback circuit used in a receiving-end module of an induction type power supply system, for rectifying power received by a receiving-end coil of the receiving-end module and modulating a feedback signal, the rectifier and signal feedback circuit comprising:
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a first high-side diode and a first low-side switch, electrically connected to a first terminal of the receiving-end coil, for performing rectification; a second high-side diode and a second low-side switch, electrically connected to a second terminal of the receiving-end coil, for performing rectification; a first resistor and a second resistor, electrically connected to the first terminal and the second terminal of the receiving-end coil respectively, for modulating the feedback signal; a third switch and a fourth switch, each comprising a drain electrically connected to the first resistor and the second resistor respectively, a source electrically connected to a ground terminal, and a gate electrically connected to a receiving-end microprocessor, for controlling the first resistor and the second resistor to modulate the feedback signal and controlling the first low-side switch and the second low-side switch to perform rectification; a third resistor, electrically connected between the first terminal of the receiving-end coil and a gate of the second low-side switch, for protecting the second low-side switch in order to prevent the second low-side switch from being burnt, and providing rectification switching signals for the second low-side switch; a fourth resistor, electrically connected between the second terminal of the receiving-end coil and a gate of the first low-side switch, for protecting the first low-side switch in order to prevent the first low-side switch from being burnt, and providing rectification switching signals for the first low-side switch; a first zener diode, electrically connected between the gate of the first low-side switch and the ground terminal, for limiting a voltage of the gate of the first low-side switch, in order to prevent the first low-side switch from being burnt; a second zener diode, electrically connected between the gate of the second low-side switch and the ground terminal, for limiting a voltage of the gate of the second low-side switch, in order to prevent the second low-side switch from being burnt; a first control diode, electrically connected between the gate of the first low-side switch and the third switch, for providing a conducting path from the gate of the first low-side switch to the ground terminal, and preventing signals of other rectification cycles from flowing in reverse from the receiving-end coil to the gate of the first low-side switch; and a second control diode, electrically connected between the gate of the second low-side switch and the fourth switch, for providing a conducting path from the gate of the second low-side switch to the ground terminal, and preventing signals of other rectification cycles from flowing in reverse from the receiving-end coil to the gate of the second low-side switch. - View Dependent Claims (12, 13)
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14. An induction type power supply system, comprising:
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a supplying-end module, comprising; a supplying-end coil, for supplying power and transmitting signals; a power driver unit, electrically connected to the supplying-end coil, for driving the supplying-end coil; a coil voltage detection circuit, electrically connected to the supplying-end coil, for detecting a voltage of the supplying-end coil; a signal analysis circuit, electrically connected to the supplying-end coil, for detecting and analyzing data signals of the supplying-end coil; a supplying-end microprocessor, electrically connected to the power driver unit and the coil voltage detection circuit, for controlling operations of the supplying-end module; a display unit, electrically connected to the supplying-end microprocessor, for displaying an operation status of the supplying-end module; a power supplying unit, electrically connected to the power driver unit and the supplying-end microprocessor, for receiving power from a power source in order to provide power to be transmitted by the supplying-end coil and power required for operations of the supplying-end module; and a determination voltage adjustment device, electrically connected to the supplying-end microprocessor and the signal analysis circuit, the determination voltage adjustment device comprising; a detector, for detecting an output voltage of the signal analysis circuit; an adjustment microprocessor, electrically connected to the detector, for adding a first threshold value to the output voltage to generate a first determination voltage and subtracting a second threshold value from the output voltage to generate a second determination voltage; an output device, electrically connected to the adjustment microprocessor, for outputting the first determination voltage as a reference voltage; and a comparator, of which two input terminals are electrically connected to the detector and the output device respectively and an output terminal is electrically connected to the adjustment microprocessor, for comparing a trigger signal of the signal analysis circuit and the reference voltage, in order to generate a first data code; wherein when the comparator fails to generate the first data code by comparing the trigger signal of the signal analysis circuit and the reference voltage, the output device outputs the second determination voltage instead of the first determination voltage as the reference voltage, and the comparator compares the trigger signal of the signal analysis circuit and the reference voltage in order to generate a second data code; and a receiving-end module, comprising; a receiving-end coil, for receiving power from the supplying-end coil and transmitting a feedback signal to the supplying-end module; a voltage detection circuit, electrically connected to the receiving-end coil, for detecting a voltage of the receiving-end coil; a receiving-end microprocessor, electrically connected to the voltage detection circuit, for controlling operations of the receiving-end module; a rectifier and signal feedback circuit, electrically connected to the receiving-end coil and the receiving-end microprocessor, for rectifying power received by the receiving-end coil and modulating the feedback signal, the rectifier and signal feedback circuit comprising; a first high-side diode and a first low-side switch, electrically connected to a first terminal of the receiving-end coil, for performing rectification; a second high-side diode and a second low-side switch, electrically connected to a second terminal of the receiving-end coil, for performing rectification; a first resistor and a second resistor, electrically connected to the first terminal and the second terminal of the receiving-end coil respectively, for modulating the feedback signal; a third switch and a fourth switch, each comprising a drain electrically connected to the first resistor and the second resistor respectively, a source electrically connected to a ground terminal, and a gate electrically connected to the receiving-end microprocessor, for controlling the first resistor and the second resistor to modulate the feedback signal and controlling the first low-side switch and the second low-side switch to perform rectification; a third resistor, electrically connected between the first terminal of the receiving-end coil and a gate of the second low-side switch, for protecting the second low-side switch in order to prevent the second low-side switch from being burnt, and providing rectification switching signals for the second low-side switch; a fourth resistor, electrically connected between the second terminal of the receiving-end coil and a gate of the first low-side switch, for protecting the first low-side switch in order to prevent the first low-side switch from being burnt, and providing rectification switching signals for the first low-side switch; a first zener diode, electrically connected between the gate of the first low-side switch and the ground terminal, for limiting a voltage of the gate of the first low-side switch, in order to prevent the first low-side switch from being burnt; a second zener diode, electrically connected between the gate of the second low-side switch and the ground terminal, for limiting a voltage of the gate of the second low-side switch, in order to prevent the second low-side switch from being burnt; a first control diode, electrically connected between the gate of the first low-side switch and the third switch, for providing a conducting path from the gate of the first low-side switch to the ground terminal, and preventing signals of other rectification cycles from flowing in reverse from the receiving-end coil to the gate of the first low-side switch; and a second control diode, electrically connected between the gate of the second low-side switch and the fourth switch, for providing a conducting path from the gate of the second low-side switch to the ground terminal, and preventing signals of other rectification cycles from flowing in reverse from the receiving-end coil to the gate of the second low-side switch; a protection circuit breaker, electrically connected to the receiving-end coil and the receiving-end microprocessor, for preventing the receiving-end module and a load element from being burnt; and a voltage stabilizer circuit, electrically connected to the receiving-end coil, the protection circuit breaker and the receiving-end microprocessor, for receiving power from the receiving-end coil, in order to output a stable voltage to a load terminal. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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Specification