Data determination method for supplying-end module of induction type power supply system and related supplying-end module
First Claim
1. A data determination method for a supplying-end module of an induction type power supply system, the method comprising:
- generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module;
amplifying the current signal to retrieve a plurality of peak values of the current signal in a time domain;
setting a reference voltage according to magnitudes of the plurality of peak values;
comparing the plurality of peak values with the reference voltage to generate a comparison result; and
analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system;
wherein the step of setting the reference voltage according to the magnitudes of the plurality of peak values comprises;
setting the reference voltage to a predefined value;
calculating a frequency of the current signal to determine a total number of the plurality of peak values during a first period;
detecting a number of peak values greater than the reference voltage among the plurality of peak values during the first period, in order to calculate a first trigger ratio of the plurality of peak values greater than the reference voltage according to the total number of the plurality of peak values; and
adjusting the reference voltage according to the first trigger ratio.
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Accused Products
Abstract
A data determination method for a supplying-end module of an induction type power supply system includes generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; amplifying the current signal to retrieve a plurality of peak values of the current signal; setting a reference voltage according to magnitudes of the plurality of peak values; comparing the plurality of peak values with the reference voltage to generate a comparison result; and analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system.
109 Citations
36 Claims
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1. A data determination method for a supplying-end module of an induction type power supply system, the method comprising:
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generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; amplifying the current signal to retrieve a plurality of peak values of the current signal in a time domain; setting a reference voltage according to magnitudes of the plurality of peak values; comparing the plurality of peak values with the reference voltage to generate a comparison result; and analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system; wherein the step of setting the reference voltage according to the magnitudes of the plurality of peak values comprises; setting the reference voltage to a predefined value; calculating a frequency of the current signal to determine a total number of the plurality of peak values during a first period; detecting a number of peak values greater than the reference voltage among the plurality of peak values during the first period, in order to calculate a first trigger ratio of the plurality of peak values greater than the reference voltage according to the total number of the plurality of peak values; and adjusting the reference voltage according to the first trigger ratio. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A supplying-end module for an induction type power supply system comprising:
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a current sensing element, for generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; at least one amplifier, for amplifying the current signal to retrieve a plurality of peak values of the current signal in a time domain; a voltage setting unit, for setting a reference voltage according to magnitudes of the plurality of peak values; a comparator, for comparing the plurality of peak values with the reference voltage to generate a comparison result; and a control unit, for analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system; wherein the voltage setting unit comprises; a first processor; and a first storage unit, electrically connected to the first processor, for storing a first program which instructs the first processor to perform the following steps; setting the reference voltage to a predefined value; calculating a frequency of the current signal to determine a total number of the plurality of peak values during a first period; detecting a number of peak values greater than the reference voltage among the plurality of peak values during the first period, in order to calculate a first trigger ratio of the plurality of peak values greater than the reference voltage according to the total number of the plurality of peak values; and adjusting the reference voltage according to the first trigger ratio. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A data determination method for a supplying-end module of an induction type power supply system, the method comprising:
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generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; amplifying the current signal to retrieve a plurality of peak values of the current signal in a time domain; setting a reference voltage according to magnitudes of the plurality of peak values; comparing the plurality of peak values with the reference voltage to generate a comparison result; and analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system; wherein the step of comparing the plurality of peak values with the reference voltage to generate the comparison result comprises; calculating a frequency of the current signal to determine a total number of the plurality of peak values during a second period; detecting a number of peak values greater than the reference voltage among the plurality of peak values during the second period, in order to calculate a second trigger ratio of the plurality of peak values greater than the reference voltage according to the total number of the plurality of peak values; and outputting a sub-data bit corresponding to the second period according to the second trigger ratio. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A data determination method for a supplying-end module of an induction type power supply system, the method comprising:
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generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; amplifying the current signal to retrieve a plurality of peak values of the current signal in a time domain; setting a reference voltage according to magnitudes of the plurality of peak values; comparing the plurality of peak values with the reference voltage to generate a comparison result; analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system; and performing an initialization process for obtaining the modulation data according to a characteristic of the plurality of peak values; wherein the step of performing the initialization process for obtaining the modulation data according to the characteristic of the plurality of peak values comprises; determining whether the plurality of peak values comply with a format of a pre-launch signal of a UART.
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22. A data determination method for a supplying-end module of an induction type power supply system, the method comprising:
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generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; amplifying the current signal to retrieve a plurality of peak values of the current signal in a time domain; setting a reference voltage according to magnitudes of the plurality of peak values; comparing the plurality of peak values with the reference voltage to generate a comparison result; analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system; and performing an initialization process for obtaining the modulation data according to a characteristic of the plurality of peak values; wherein the step of performing the initialization process for obtaining the modulation data according to the characteristic of the plurality of peak values further comprises; detecting whether there is a specific number of consecutive peak values not exceeding the reference voltage; after the specific number of consecutive peak values not exceeding the reference voltage is detected, determining whether a following peak value exceeds the reference voltage, and starting a first timer when a peak value exceeding the reference voltage occurs; when the first timer is running, after the specific number of consecutive peak values not exceeding the reference voltage is detected, determining whether a following peak value exceeds the reference voltage, and stopping the first timer when another peak value exceeding the reference voltage occurs; determining whether a first run time of the first timer is equal or close to a predefined data cycle; and starting a second timer when the first run time of the first timer is equal or close to the predefined data cycle, or stopping the initialization process when the first run time of the first timer is not equal or close to the predefined data cycle. - View Dependent Claims (23, 24)
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25. A supplying-end module for an induction type power supply system comprising:
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a current sensing element, for generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; at least one amplifier, for amplifying the current signal to retrieve a plurality of peak values of the current signal in a time domain; a voltage setting unit, for setting a reference voltage according to magnitudes of the plurality of peak values; a comparator, for comparing the plurality of peak values with the reference voltage to generate a comparison result; and a control unit, for analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system, wherein the control unit comprises; a second processor; and a second storage unit, electrically connected to the second processor, for storing a second program which instructs the second processor to perform the following steps; calculating a frequency of the current signal to determine a total number of the plurality of peak values during a second period; detecting a number of peak values greater than the reference voltage among the plurality of peak values during the second period, in order to calculate a second trigger ratio of the plurality of peak values greater than the reference voltage according to the total number of the plurality of peak values; and outputting a sub-data bit corresponding to the second period according to the second trigger ratio. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32)
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33. A supplying-end module for an induction type power supply system comprising:
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a current sensing element, for generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; at least one amplifier, for amplifying the current signal to retrieve a plurality of peak values of the current signal in a time domain; a voltage setting unit, for setting a reference voltage according to magnitudes of the plurality of peak values; a comparator, for comparing the plurality of peak values with the reference voltage to generate a comparison result; and a control unit, for analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system; wherein the control unit is further utilized for performing an initialization process for obtaining the modulation data according to a characteristic of the plurality of peak values, and wherein the control unit determines whether the plurality of peak values comply with a format of a pre-launch signal of a UART to perform the initialization process for obtaining the modulation data according to the characteristic of the plurality of peak values.
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34. A supplying-end module for an induction type power supply system comprising:
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a current sensing element, for generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; at least one amplifier, for amplifying the current signal to retrieve a plurality of peak values of the current signal in a time domain; a voltage setting unit, for setting a reference voltage according to magnitudes of the plurality of peak values; a comparator, for comparing the plurality of peak values with the reference voltage to generate a comparison result; and a control unit, for analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system; wherein the control unit is further utilized for performing an initialization process for obtaining the modulation data according to a characteristic of the plurality of peak values, and wherein the control unit further performs the following steps to perform the initialization process for obtaining the modulation data according to the characteristic of the plurality of peak values; detecting whether there is a specific number of consecutive peak values not exceeding the reference voltage; after the specific number of consecutive peak values not exceeding the reference voltage is detected, determining whether a following peak value exceeds the reference voltage, and starting a first timer when a peak value exceeding the reference voltage occurs; when the first timer is running, after the specific number of consecutive peak values not exceeding the reference voltage is detected, determining whether a following peak value exceeds the reference voltage, and stopping the first timer when another peak value exceeding the reference voltage occurs; determining whether a first run time of the first timer is equal or close to a predefined data cycle; and starting a second timer when the first run time of the first timer is equal or close to the predefined data cycle, or stopping the initialization process when the first run time of the first timer is not equal or close to the predefined data cycle. - View Dependent Claims (35, 36)
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Specification