TH65756B - Inductive power supply with duty cycle control - Google Patents

Abstract

------19/02/2018------(OCR) Page 1 of 1 page Summary of Invention An inductive power source that maintains resonance and adjusts the duty cycle based on the Return from the secondary circuit The controller, the driver circuit and the switching circuit work together to create alternating current signal at selected frequency, operating and duty cycle The alternating current signal is Used with tank circuits to create an inductive field for secondary power. Secondary will communicate Feedback about the power being received back to the primary controller. power transfer efficiency may be optimized by maintaining a significant resonant operating frequency and the amount of power transferred may be controlled by duty cycle adjustments ------------

Claims (5)

Disclaimer (all) which will not appear on the advertisement page. : ------ 19/02/2018 ------ (OCR) Page 1 of 7 pages Disclaimer 1. Inductive power supply to provide wireless power to remote devices, Such an inductive power supply consists of: a primary circuit for generating a signal at an operating frequency, such a primary circuit that can Adjust the duty cycle of such signals to allow variation in the amount of power transferred to the Remote equipment at such operating frequency; The tank circuit is electrically connected to the primary circuit, where the primary circuit is used. The signal to the tank circuit to transfer the power to the said remote device; Such an inductive power supply that is configured to recline from the device. Such a remote; The primary circuit is configured to control the operating frequency of the signal. In response to such retraction to make the power transfer efficiency Optimal between the an inductive power supply and the remote device; And the said primary circuit, which is designed to control the said duty cycle. As such, in response to the aforementioned control !, started the power transferred to the! 2. Inductive power supply according to claim 1, at which the primary circuit maintains the frequency. In the performance of such a significant resonant signal, 3. Inductive power supply according to claim 1 at the rest of the said primary circuit will be adjusted. Such operating frequency is continuous to maintain significant resonance and will adjust the cycle. This duty is continued based on the comparison between the said force transferred to the 4. Inductive power supply pursuant to claim 1 at which the primary circuit is controlled. The functional cycle of such a signal follows at least one of the charging profiles. Batteries and requirements by the said remote device 5. Inductive power supply pursuant to claim 1 at the rest of the said primary circuit shall include: Primary controller; A driver circuit that is electrically connected to the said primary controller; A switching circuit that is electrically connected to such a driver circuit; And page 2 of the number 7 a sensor page for recognizing the echo impedance of such a remote device, where the sensor is It is electrically connected to the tank circuit and the aforementioned primary controller. 6. Inductive power supply according to claim 5 at the hide of such switching circuit shall include: One pair of switches. Where each switch is turned on at the said duty cycle and at such operating frequencies, but at different phases: and at the left, in response to such recurs, the primary control Such landscape will control The frequency of operation for each such switch; And at the left, in response to such a reverse, the said primary controller controls the The duty cycle of each such switch. 7. Inductive power supply pursuant to claim 5 at which the primary controller shall Adjust the operating frequency of the said signal as a function of the input from the aforementioned. 8. Inductive power supply according to claim 1, at the rest of the said primary circuit, will include. A wireless receiver to receive the feedback from the remote device 9. Inductive power supply system consisting of: Inductive power supply including: Primary circuit for generating a signal at a frequency, In work and for adjusting the duty cycle Of such a signal, the amount of power transferred at such operating frequency shall be controlled; And a tank circuit that is electrically connected to the said primary circuit, at the said primary circuit is Use the signal to the tank circuit to transfer the power to the remote device; Such an inductive power supply that is configured to receive resonance from the device. Such a remote; A remote device that can be isolated from the inductive power source for receiving power from the Such inductive power supplies, such remote devices that include: secondary energized by the aforementioned inductive field, an electrically connected load to such a secondary, a sensory connected. Electrical to the said secondary, secondary controllers electrically connected to the sensor, and communications equipment electrically connected to the said secondary regulator for transmission. Return to the inductive power source; Page 3 of 7 pages left. In response to such recoil, the primary circuit controls the frequency in Operation of the said signal to optimize the power transfer efficiency. Between the inductive power supply and the remote device; And at the left. In response to such reconciliation, the primary cycle controls the cycle. The function of the said signal is to control the amount of power that is transferred to the device. 1 0. Inductive power distribution according to claim 9, where the primary circuit maintains the frequency. In the operation of such a signal at resonance significantly 1 1. Inductive power supply system according to claim 9, which, on which the primary circuit, will be adjusted. Such operating frequency is continuous to maintain significant resonance and will adjust the cycle. This duty is continued based on the comparison between the said force transferred to the The said remote device and its threshold 1 2. Inductive power supply according to claim 9, which is hidden from the primary circuit, will Control the said duty cycle of the said signal according to at least one of the charging profiles. The battery and the need to be connected to the said inductive power supply by the aforementioned remote devices 1 3. Inductive power supply system according to claim 9 hidden on the said primary circuit will Including: Primary controller; A driver circuit that is electrically connected to the regulator in the above orientation; A switching circuit that is electrically connected to such a driver circuit; And a sensor for recognizing the echo impedance of such a remote device, at which the sensor will Electrical connection to the tank circuit and the aforementioned primary controller 1 4. Inductive power supply according to Clause 13 at the said switching circuit shall include: A pair of switches, at each side of the switch, are turned on at the said duty cycle and at such operating frequencies, but at different phases: and at the left, in response to such resonance. Said, the said primary regulator controls The frequency of operation for each such switch; And on the left, in response to the aforementioned recoil. The primary controller controls Duty cycle 1 of each such switch page 4 of number 7 Page 1 5. Inductive power supply according to claim 13, where the primary controller is to be Adjust the operating frequency of the said signal as a function of the input from the aforementioned. 1 6. Inductive power supply system according to claim 9, where the primary circuit, shall include: Such wireless receivers and remote devices include wireless transmitters, wireless receivers, and wireless receivers. 1 7. How to transfer power from inductive power source to a remote device, such methods include: setting. Operating frequency, the impulse of the signal in the inductive power supply; Setting the starting duty cycle of the signal to adjust the starting power level in the power supply. Inductive; Using a signal to a tank circuit for transferring power quantities from an inductive power source. To the remote device; Receiving! Reclining from a remote device, in an inductive power supply; Adjusting the operating frequency of the signal in response to! Inverse, to optimize the power transfer efficiency between an inductive power supply and a remote device. The! Lean back. To control the quantity Power Transferred to Remote Device 1 8. How to transfer power according to clause clause. 17 at the end of the procedure for adjusting the duty cycle It includes: reducing the functional cycle of the signal in response to the determination that the power is transferred to. The remote device is higher than the starting limit; And increasing the duty cycle of the signal in response to determination at the power transferred to The remote device is beyond the threshold. 1. 9. Method of power transfer according to Clause 17, at least one of the configuration. The operating frequency of such start and frequency modulation includes frequency range sweep, determination of the amount of power transferred to the remote device for each operating frequency, and the frequency selection in the remote device. The redundancy of the power transferred to the remote device is somewhat High in comparison with other frequencies Within that frequency range Page 5 of the number 7 Page 2 0. Method of transfer of force according to Clause 17, which was left at least one of the configuration. The aforementioned default operating frequency and the aforementioned operating frequency modulation will include a range sweep. Frequency and selection of the operating frequency closest to the resonance 2 1. Method of power transfer according to the clause 17 The adjustment of the working frequency will Including continuous adjustment of operating frequency to maintain significant resonance and Such duty cycle adjustments include continuous duty cycle adjustments based on comparisons. Between the amount of power transferred to the remote device and the threshold change 2 2. The method of power transfer according to the clause 17 where the duty cycle adjustment will include Duty cycle adjustment according to at least one of the battery charging profiles and requirements. By remote device 2. 3. Inductive power supply for remote devices that include: tank circuit; The primary circuit is electrically connected to the tank circuit, the said primary circuit being schematic. A form that uses a signal to the tank circuit; And a receiver that is configured to receive communications from a remote device, the receiver will It communicates electrically with the primary circuit, the primary circuit that is selectively configured. The operating frequency of such a signal is a function of such communication to make Optimal power transfer efficiency from the tank circuit to the remote device, such a primary circuit that has been programmed to be selectively adjusted, the duty cycle of such a signal is The function of such communication is to control the amount of power transferred to the remote device at a frequency in By doing so, the inductive power source maintains transfer efficiency. The power source underwent adjustment of operating frequency and while maintaining the optimum power level through duty cycle adjustment 2. 4. Inductive power supply according to claim 23 where such receiver is set. Further, it is a current senser that is electrically matched with the tank circuit to provide a signal indicating it. Current in the tank circuit. 2 5. Inductive power supply according to claim 23, where the receiver is set, is determined. Further is the communication receiver 2. 6. Method for wireless power supply to remote devices, including the steps of: page 6 of number 7. Place the remote device in close proximity to the source. Supply sufficient inductive power to Induces an inductive coupling between the remote device and the inductive power source; Applying a signal to a tank circuit, in an inductive power supply, at an operating frequency of A different number to wirelessly transfer power to a remote device; A separate measurement, in a remote device, of the unattended receiving power characteristic Wires from the inductive power supply for each of the aforementioned different operating frequencies; Determining the initial operating frequency based on a separate measurement; And applying a signal to a tank circuit, in an inductive power supply, at the initial operating frequency Receiving communications from remote devices, in inductive power sources Modulation of the operating frequency of the communication response signal, to optimize the power transfer efficiency between the inductive power supply and the remote device; And modulation of the signal duty cycle in response to communication, to control the volume Power transferred to the remote device 2 7. The method of claim 26 at the point of determining such procedure will include the collection of Information that indicates the efficiency of power transfer at each of the different operating frequencies. Together the number of one; And the default working frequency selection is the effective working frequency, the transfer 2. 8. Procedures in Clause 26 that make up the said procedure will include the collection of Information that indicates the operating frequency most efficient of power transfer; And the default working frequency selection is the effective working frequency, the transfer 2 9. Methods according to claim 26 at the end of the procedure for applying signals to the tank circuit include. Using a signal at the selected power level provides sufficient eyes not to risk powering the device. More than 3 0. The method according to claim 26 at the end of the procedure for using the signal to the tank circuit will include. Using a signal that the chosen duty cycle provides sufficient power not to risk powering the device. The remote exceeds page 7 of the number 7 page 3. 1. Inductive power supply pursuant to claim 1, which further includes the regulator here for Frequency control, to perform the function and a second controller to regulate the duty cycle 3 2. Inductive power supply pursuant to claim 1, including the stored memory. Information on operating parameters of one of the 3 remote devices 3. Inductive power sources pursuant to Clause 10 that such information shall include: For each of the various remote devices At least some of the resonance frequency, the highest operating frequency, the highest operating frequency, the current usage, the highest duty cycle, the highest duty cycle, and the highest duty cycle. Wireless communication 1 of 3 remote devices 4. Method according to Clause 26, which continues to include the process of determining the cycle. Default page based on 3 separate measurements. 5. Method according to Clause 26, which further complements the cycle selection process. Pages start at 20% or less so that no excessive power is sent to the remote device. ------------