CN103457361A - Device for controlling synchronous rectification switch to transmit data in inductive power supply unit - Google Patents
Device for controlling synchronous rectification switch to transmit data in inductive power supply unit Download PDFInfo
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- CN103457361A CN103457361A CN2012101698327A CN201210169832A CN103457361A CN 103457361 A CN103457361 A CN 103457361A CN 2012101698327 A CN2012101698327 A CN 2012101698327A CN 201210169832 A CN201210169832 A CN 201210169832A CN 103457361 A CN103457361 A CN 103457361A
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Abstract
The invention relates to a device for controlling a synchronous rectification switch to transmit data in an inductive power supply unit. When power supply transmission is performed between a power supply coil arranged in a power supply module and a receiving coil arranged in a receiving module, a rectification and signal feedback circuit in electric connection with the receiving coil of the receiving module is controlled to be cut off so as to enable the receiving coil to interrupt receiving within a short time, consequently, the power supply coil of the power supply module can lose load effect to make power supply carrier signal amplitude on the power supply coil to be changed, further the receiving module feeds back data signals to the power supply module, and data transmission is performed from the receiving module and the power supply module in the inductive power supply unit so as to accomplish the purposes of target identification, power setting and the like in power supply.
Description
Technical field
The invention provides in a kind of inductive power-supply supply device and control the device that synchronous rectification switch transmits data, espespecially by what be subject to electric module, be subject to electric coil in carrying out homework of supplying power, control rectification and signal feedback circuit running, interrupt being subject to Electricity Functional within the short time, make signal by being subject to electric coil to feed back to the power supply coil, to complete the purpose of transmission data for target identification and power setting.
Background technology
In induction electric power system, most important technical problem is exactly, must identify the object be positioned on the feeder ear transmitting coil, when induction type power supply end sends the electric power energy, just identical with culinary electromagnetic oven operation principles, if directly this energy is beaten on metal, can generate heat and cause danger, and for head it off, each manufacturer develops the technology of identification target on feeder ear one after another, and through development for many years, confirmation by power supply process by feeding back signal on the feeder ear transmitting coil at the receiving end receiving coil, analytic signal is identified as best settling mode, for completing the function of transfer of data on induction coil, it is most important core technology in system, yet, on the induction coil that transmits electric power, stablize the transmission data very difficult, the main signal carrier wave is to be used in powerful electric power transfer, but this kind of transmission means is the various disturbance regimes that can be subject in the power supply use, and this is a kind of control system of frequency conversion type, so the operating frequency of main carrier can not fixed yet, and in order to solve the problem of transfer of data difficulty, also there is manufacturer to release except original induction coil supply electric power, set up again in addition a wireless communication channel, such as infrared ray, bluetooth, RFID label, WiFi etc., but because of extra these communication modules that increase, cause also the manufacturing cost of system to increase, form the burden of Financial cost.
Moreover, utilize the coil of induction power to transmit data, still having technically a little problem exists, send data and receive data, its principle is as the data transfer mode of RFID, by sending main carrier on the feeder ear coil to the receiving end coil, by the load variations on receiving end circuit upper control line circle, fed back again, so be one-way transmission in the design of existing induction power, that is electric power energy (LC vibrate main carrier) sends to receiving end by feeder ear, again by receiving end feedback data code to feeder ear, and receiving end receives that the energy of feeder ear only has dividing of power, do not include the communication composition, and this kind of mechanism that numeric data code transmits, also only has receiving end near after feeder ear, receive that enough electric power energy could feed back, at feeder ear, do not provide energy under the situation of receiving end, and can't carry out the numeric data code transmission, though be only incomplete communication mechanism, but in induction power system, be very practical, met the needed function of system, after general feeder ear identification receiving end is correct target, opens the transmission energy and carry out electric power transfer, receiving end is passed power condition back and is adjusted by feeder ear.
Receiving end receives electric power and data feedback framework at present, utilize respectively resistance-type or capacitive design architecture, wherein resistance-type is modulated the mode of feedback signal, be derived from passive type RFID technology, utilizing receiving coil impedance switching to feed back signal to transmitting coil is read, and the later stage is in order to reduce the power loss of feedback time under the transmission of the power higher, develop condenser type modulation feedback signal, but these two kinds of methods are between the signal modulation period, capital increases the power stage on feeder ear, when the number of times of modulation or time increase, the more power of meeting loss, the inductive power-supply supply device so designed, with the basic principle of the energy-conservation demand of modern product, disagree, preceding method during modulation signal, can make the circuit generation current on receiving end impact, cause the problems such as power transfer damage parts and power supply instability.
Therefore, how to improve the feeder ear of current inductive power-supply supply device and receiving end when transferring electric power, utilize induction coil transmission data to cause the puzzlement of wild effect simultaneously, and transmit data by other communication mode, also cause problem and the disappearance of the cost burden of receiving end or feeder ear, be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place that research improves.
Summary of the invention
So the inventor is because above-mentioned problem and disappearance is to collect related data, via in many ways assessing and considering, and, to engage in the many years of experience of the industry accumulation, via constantly studying and revising, the beginning is developed the present invention.
Main purpose of the present invention is to be to provide in a kind of inductive power-supply supply device to control the device that synchronous rectification switch transmits data, it comprises supply module and is subject to electric module, supply module comprises the power supply microprocessor of built-in program, the electric drive unit that supplies with the electric connection of power supply microprocessor, the signal resolution circuit, power supply coil voltage detecting circuit, display unit, power supply unit and power supply resonant capacitance, and be electrically connected for transmitting electric energy by the power supply resonant capacitance, receive the power supply coil of data-signal, relatively power coil in being subject to electric module to be provided with the electric coil that is subject to that carries out the data-signal transmission with the coil of powering,
This is subject to electric module is the electric microprocessor that is subject to that comprises built-in program, and be subject to electric microprocessor to be electrically connected respectively voltage detection circuit, rectification and signal feedback circuit, breaking protection circuit, voltage stabilizing circuit, be subject to electric DC decompression device and be subject to electric coil, and rectification and signal feedback circuit comprise respectively the first resistance be electrically connected with the two end electrodes that is subject to electric coil, the one MOSFET assembly, the first diode and the second resistance, the 2nd MOSFET assembly, the second diode, again by the first resistance, the one MOSFET assembly is electrically connected another the 3rd resistance be electrically connected by electric microprocessor, the 3rd MOSFET assembly, and utilize the second resistance, the 2nd MOSFET assembly is electrically connected another the 4th resistance be electrically connected by electric microprocessor, the 4th MOSFET assembly.
Secondary objective of the present invention is to be that this is at the power supply coil configured by supply module and by being subject to being subject between electric coil of electric block configuration, while carrying out power supply supply transmission, control is operated in the rectification circuit switch that be electrically connected by electric coil by electric module, and make to be subject to electric coil to interrupt at short notice being subject to Electricity Functional, cause the power supply coil meeting of supply module because losing load effect, so that the power supply carrier signal adjusting amplitude of vibration on the coil of powering, and then reach by being subject to electric module transmission of data signals to supply module, and in the inductive power-supply supply device, be subject to electric module to be transmitted data in order to complete the purpose such as target identification and power setting in homework of supplying power to supply module.
A further object of the present invention is to be that this is subject to electric module is the electric microprocessor that is subject to that comprises built-in program, and be subject to electric microprocessor to be electrically connected respectively voltage detection circuit, rectification and signal feedback circuit, breaking protection circuit, voltage stabilizing circuit, be subject to electric DC decompression device and be subject to electric coil, and rectification and signal feedback circuit comprise respectively and be subject to electric coil just, the first resistance that negative electrode is electrically connected, the one MOSFET assembly, the first diode and the second resistance, the 2nd MOSFET assembly, the second diode, again by the first resistance, the one MOSFET assembly is electrically connected another the 3rd resistance be electrically connected by electric microprocessor, the 3rd MOSFET assembly, and utilize the second resistance, the 2nd MOSFET assembly is electrically connected another the 4th resistance be electrically connected by electric microprocessor, the 4th MOSFET assembly.
Another object of the present invention is to be in this inductive power-supply supply device, the power supply coil be subject to electric coil during induction transmits electric power, the streamed direction of electricity is to be sensed and be subject to electric module by supply module, to be subject to electric module to be considered as a load, and the electric current that this load is drawn is from the power supply coil, its size of current can affect the amplitude variations on the power supply coil, design arranges control switch in the rectification that is subject to electric module and signal feedback circuit, utilize cut-out rectification and the signal feedback circuit running of utmost point short time, make the supply module short time lose load, when during being to power, electric power transmits, can cause the amplitude on the power supply coil to produce the idle running phenomenon because losing load effect, signal amplitude is dwindled, when rectification and signal feedback circuit are opened conducting again, due to the electric power that interrupts for the previous period transmit the rectification and the decline of signal feedback electric capacity electric power make rear end, after rectification and signal feedback circuit conducting, rectification and signal feedback electric capacity strengthen because charge effects draws the amplitude that multiple current more makes to power on coil, utilize this effect can be by being subject to electric module to feed back signal to the function that supply module transmits data, not having unnecessary power during feedback signal is depleted, and only had by electric module and lose at short notice supply of electric power, but do not have part need to bear rush of current, can avoid the damage of spare part.
For achieving the above object, the present invention discloses in a kind of inductive power-supply supply device and controls the device that synchronous rectification switch transmits data, wherein: comprise supply module and be subject to electric module, supply module comprises the power supply microprocessor of built-in program, the electric drive unit that supplies with the electric connection of power supply microprocessor, the signal resolution circuit, power supply coil voltage detecting circuit, display unit, power supply unit and power supply resonant capacitance, and be electrically connected for transmitting electric energy by the power supply resonant capacitance, receive the power supply coil of data-signal, relatively power coil in being subject to electric module to be provided with the electric coil that is subject to that carries out the data-signal transmission with the coil of powering,
This is subject to electric module is the electric microprocessor that is subject to that comprises built-in program, and be subject to electric microprocessor to be electrically connected respectively voltage detection circuit, rectification and signal feedback circuit, breaking protection circuit, voltage stabilizing circuit, be subject to electric DC decompression device and be subject to electric coil, and rectification and signal feedback circuit comprise respectively the first resistance be electrically connected with the two end electrodes that is subject to electric coil, the one MOSFET assembly, the first diode and the second resistance, the 2nd MOSFET assembly, the second diode, again by the first resistance, the one MOSFET assembly is electrically connected another the 3rd resistance be electrically connected by electric microprocessor, the 3rd MOSFET assembly, and utilize the second resistance, the 2nd MOSFET assembly is electrically connected another the 4th resistance be electrically connected by electric microprocessor, the 4th MOSFET assembly.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, this is subject to the first resistance, the second resistance, the first diode, the second diodes in parallel rectification and the signal feedback electric capacity of electric module, then is electrically connected at and is subject to electric resonance electric capacity and is subject to electric coil, voltage detection circuit.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, this second data signal pin, the 4th MOSFET assembly that be electrically connected at by the 3rd MOSFET assembly of electric module to be subject to electric microprocessor is electrically connected at the first data signal pin that is subject to electric microprocessor.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, a MOSFET assembly, the 2nd MOSFET assembly that this is subject to electric module, be respectively the N-channel MOS FET assembly as rectifier; The 3rd MOSFET assembly, the 4th MOSFET assembly, be respectively the N-channel MOS FET assembly as switch module.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, the power supply microprocessor of this supply module is electrically connected respectively for electric drive unit, signal resolution circuit, power supply coil voltage detecting circuit, display unit and power supply unit, and utilizes for electric drive unit electric connection power supply resonant capacitance and power supply coil.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, this confession electric drive unit comprises the mosfet driver that is electrically connected the power supply microprocessor, and mosfet driver also is electrically connected respectively high-end MOSFET assembly, low side MOSFET assembly, be electrically connected power supply resonant capacitance and power supply coil by high-end MOSFET assembly, low side MOSFET assembly again, and high-end MOSFET assembly is electrically connected to power supply unit.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, this signal resolution circuit comprises one or more supplying resistance, one or more power supply electric capacity and rectifier diode.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, the one or more supplying resistance of this signal resolution circuit, one or more power supply electric capacity, be the serial or parallel connection mode and be electrically connected.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, this power supply coil voltage detecting circuit comprises power supply coil voltage detecting electric capacity and the first power supply coil voltage detecting resistance that is in parallel, and power supply coil voltage detecting electric capacity in parallel and the first power supply coil voltage detecting resistance are being electrically connected at respectively the power supply microprocessor, the the second power supply coil voltage detecting resistance and the power supply coil voltage detecting diode that are series connection, the second resistance of recycling series connection and power supply coil voltage detecting diode are electrically connected to respectively power supply resonant capacitance and signal resolution circuit.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, this power supply unit comprises power supply source, is divider resistance and the supplying DC reducing transformer for detecting of series connection, and is electrically connected at respectively the power supply microprocessor and supplies electric drive unit.
Control the device that synchronous rectification switch transmits data in described inductive power-supply supply device, wherein, it is subject to electric module can operate in modulation all-wave feedback signal or modulation half-wave feedback signal.
Major technique effect of the present invention is to be to provide in a kind of inductive power-supply supply device to control the device that synchronous rectification switch transmits data, it comprises supply module and is subject to electric module, supply module comprises the power supply microprocessor of built-in program, the electric drive unit that supplies with the electric connection of power supply microprocessor, the signal resolution circuit, power supply coil voltage detecting circuit, display unit, power supply unit and power supply resonant capacitance, and be electrically connected for transmitting electric energy by the power supply resonant capacitance, receive the power supply coil of data-signal, relatively power coil in being subject to electric module to be provided with the electric coil that is subject to that carries out the data-signal transmission with the coil of powering,
This is subject to electric module is the electric microprocessor that is subject to that comprises built-in program, and be subject to electric microprocessor to be electrically connected respectively voltage detection circuit, rectification and signal feedback circuit, breaking protection circuit, voltage stabilizing circuit, be subject to electric DC decompression device and be subject to electric coil, and rectification and signal feedback circuit comprise respectively the first resistance be electrically connected with the two end electrodes that is subject to electric coil, the one MOSFET assembly, the first diode and the second resistance, the 2nd MOSFET assembly, the second diode, again by the first resistance, the one MOSFET assembly is electrically connected another the 3rd resistance be electrically connected by electric microprocessor, the 3rd MOSFET assembly, and utilize the second resistance, the 2nd MOSFET assembly is electrically connected another the 4th resistance be electrically connected by electric microprocessor, the 4th MOSFET assembly.
Less important beneficial effect of the present invention is to be that this is at the power supply coil configured by supply module and by being subject to being subject between electric coil of electric block configuration, while carrying out power supply supply transmission, control is operated in the rectification circuit switch that be electrically connected by electric coil by electric module, and make to be subject to electric coil to interrupt at short notice being subject to Electricity Functional, cause the power supply coil meeting of supply module because losing load effect, so that the power supply carrier signal adjusting amplitude of vibration on the coil of powering, and then reach by being subject to electric module transmission of data signals to supply module, and in the inductive power-supply supply device, be subject to electric module to be transmitted data in order to complete the purpose such as target identification and power setting in homework of supplying power to supply module.
A beneficial effect more of the present invention is to be that this is subject to electric module is the electric microprocessor that is subject to that comprises built-in program, and be subject to electric microprocessor to be electrically connected respectively voltage detection circuit, rectification and signal feedback circuit, breaking protection circuit, voltage stabilizing circuit, be subject to electric DC decompression device and be subject to electric coil, and rectification and signal feedback circuit comprise respectively and be subject to electric coil just, the first resistance that negative electrode is electrically connected, the one MOSFET assembly, the first diode and the second resistance, the 2nd MOSFET assembly, the second diode, again by the first resistance, the one MOSFET assembly is electrically connected another the 3rd resistance be electrically connected by electric microprocessor, the 3rd MOSFET assembly, and utilize the second resistance, the 2nd MOSFET assembly is electrically connected another the 4th resistance be electrically connected by electric microprocessor, the 4th MOSFET assembly.
Another beneficial effect of the present invention is to be in this inductive power-supply supply device, the power supply coil be subject to electric coil during induction transmits electric power, the streamed direction of electricity is to be sensed and be subject to electric module by supply module, to be subject to electric module to be considered as a load, and the electric current that this load is drawn is from the power supply coil, its size of current can affect the amplitude variations on the power supply coil, design arranges control switch in the rectification that is subject to electric module and signal feedback circuit, utilize cut-out rectification and the signal feedback circuit running of utmost point short time, make the supply module short time lose load, when during being to power, electric power transmits, can cause the amplitude on the power supply coil to produce the idle running phenomenon because losing load effect, signal amplitude is dwindled, when rectification and signal feedback circuit are opened conducting again, due to the electric power that interrupts for the previous period transmit the rectification and the decline of signal feedback electric capacity electric power make rear end, after rectification and signal feedback circuit conducting, rectification and signal feedback electric capacity strengthen because charge effects draws the amplitude that multiple current more makes to power on coil, utilize this effect can be by being subject to electric module to feed back signal to the function that supply module transmits data, not having unnecessary power during feedback signal is depleted, and only had by electric module and lose at short notice supply of electric power, but do not have part need to bear rush of current, can avoid the damage of spare part.
The accompanying drawing explanation
The simple circuit figure that Fig. 1 is supply module of the present invention;
Fig. 2 is the simple circuit figure that the present invention is subject to electric module;
Fig. 3 is the simple circuit figure that the present invention is subject to electric module the first embodiment;
Fig. 4 is the simple circuit figure that the present invention is subject to electric module the second embodiment;
Fig. 5 is the simple circuit figure that the present invention is subject to electric module the 3rd embodiment;
Fig. 6 is the simple circuit figure that the present invention is subject to electric module the 4th embodiment;
Fig. 7 is the simple circuit figure that the present invention is subject to electric module the 5th embodiment;
Fig. 8 is the simple circuit figure that the present invention is subject to electric module the 6th embodiment;
Fig. 9 is modulation all-wave feedback signal waveform figure of the present invention;
Figure 10 is modulation feedback signal dissection process oscillogram of the present invention.
Description of reference numerals: 1-supply module; The 11-microprocessor of powering; The 16-power supply unit; 12-is for electric drive unit; The 161-power supply source; The 121-MOSFET driver; The high-end MOSFET assembly of 122-; 123-low side MOSFET assembly; 13-signal resolution circuit; 162-the first supply voltage detection divider resistance; The 131-supplying resistance; 163-the second supply voltage detection divider resistance; The 132-electric capacity of powering; 164-supplying DC reducing transformer; The 133-rectifier diode; The 17-resonant capacitance of powering; 14-power supply coil voltage detecting circuit; The 171-coil of powering; 141a-the first power supply coil voltage detecting resistance; 141-the second power supply coil voltage detecting resistance; 142-power supply coil voltage detecting electric capacity; 143-power supply coil voltage detecting diode; The 15-display unit; 2-is subject to electric module; 21-is subject to electric microprocessor; 237-the 4th resistance; 211-the first data signal pin; 238-the 4th MOSFET assembly; 212-the second data signal pin; 239-rectification and signal feedback electric capacity; The 22-voltage detection circuit; The 24-breaking protection circuit; 221-receiving voltage detecting divider resistance; 241-open circuit protection resistance; 222-detects end points; 242-P type MOSFET assembly; 23-rectification and signal feedback circuit; 243-N type MOSFET assembly; 231-the first resistance; The 25-voltage stabilizing circuit; 2311-the first diode; 251-buffering electric capacity; 232-the one MOSFET assembly; 252-first is subject to electric DC decompression device; 233-the second resistance; 253-is subject to electric output; 331-the second diode; 26-second is subject to electric DC decompression device; 234-the 2nd MOSFET assembly; 27-is subject to electric resonance electric capacity; 235-the 3rd resistance; 271-is subject to electric coil; 236-the 3rd MOSFET assembly.
Embodiment
For reaching above-mentioned purpose and effect, below in conjunction with accompanying drawing and preferred embodiment of the present invention, above-mentionedly to the present invention with other technological means, structural feature, function and implementation method, be described in more detail.
Refer to shown in Fig. 1,2, for the simple circuit figure of supply module of the present invention, be subject to the simple circuit figure of electric module, by shown in figure, knowing and find out, inductive power-supply supply device of the present invention comprises supply module 1, is subject to electric module 2, wherein:
This supply module 1 has power supply microprocessor 11, have operation sequence in power supply microprocessor 11, control program, the relevant software programs such as signal resolution software with anti-noise function, and power supply microprocessor 11 is electrically connected respectively for electric drive unit 12, signal resolution circuit 13, power supply coil voltage detecting circuit 14, display unit 15, power supply unit 16, and be provided with mosfet driver 121 for electric drive unit 12, and mosfet driver 121 is connected to power supply microprocessor 11, high-end MOSFET assembly 122, low side MOSFET assembly 123, to pass through high-end MOSFET assembly 122, low side MOSFET assembly 123 is connected to respectively power supply resonant capacitance 17, be electrically connected power supply unit 16 by high-end MOSFET assembly 122 again, utilize a plurality of supplying resistance (the first supplying resistance, the second supplying resistances that are series and parallel as for signal resolution circuit 13 ...) 131, the power supply electric capacity (first the power supply electric capacity, second the power supply electric capacity ...) 132 rectifier diodes 133 of connecting again, to be electrically connected to power supply resonant capacitance 17 by rectifier diode 133, and power supply unit 16 is connected with respectively power supply source 161, is divider resistances first divider resistance 162, the second divider resistance 163 for supply voltage detection, supplying DC reducing transformer 164 supply voltage detection for for two supply voltage detections of series connection, and power supply unit 16 is electrically connected at confession electric drive unit 12, and be electrically connected with the power supply coil 171 that can transmit electric energy, receive data-signal in power supply resonant capacitance 17, this power supply coil voltage detecting circuit 14 comprises power supply coil voltage detecting electric capacity 142 and the first power supply coil voltage detecting resistance 141a that is in parallel, and power supply coil voltage detecting electric capacity 142 in parallel and the first power supply coil voltage detecting resistance 141a are being electrically connected at respectively power supply microprocessor 11, the the second power supply coil voltage detecting resistance 141 and the power supply coil voltage detecting diode 143 that are series connection, the second power supply coil voltage detecting resistance 141 and the power supply coil voltage detecting diode 143 of recycling series connection are electrically connected to respectively power supply resonant capacitance 17 and signal resolution circuit 13.
This is provided with by electric module 2 and is subject to electric microprocessor 21, be subject to electric microprocessor 21 to be provided with the relevant software programs such as operation sequence, control program, in being subject to electric microprocessor 21 to be electrically connected at respectively voltage detection circuit 22, rectification and signal feedback circuit 23, breaking protection circuit 24, voltage stabilizing circuit 25, second is subject to electric DC decompression device 26, and voltage detection circuit 22 have in-line a plurality of receiving voltage divider resistance for detecting (the first receiving voltage divider resistance, the second receiving voltage divider resistance for detecting for detecting ...) 221, and be electrically connected at and be subject to electric microprocessor 21, and utilize the detecting of tandem receiving voltage with divider resistance 221 more respectively series connection detect end points 222, rectification and signal feedback circuit 23, breaking protection circuit 24, second and be subject to electric DC decompression device 26, and rectification and signal feedback circuit 23 comprise the first resistance 231, the one MOSFET assembly 232, the first diode 2311 and the second resistance 233, the 2nd MOSFET assembly 234, the second diode 2331, and the first diode 2311, the second diode 2331 is for being connected in parallel to voltage detection circuit 22, then by the first resistance 231, the one MOSFET assembly 232, be electrically connected the 3rd resistance 235, the 3rd MOSFET assembly 236, and the 3rd MOSFET assembly 236 is electrically connected to the second data signal pin 212 that is subject to electric microprocessor 21, and utilize the second resistance 233, the 2nd MOSFET assembly 234 is electrically connected the 4th resistance 237, the 4th MOSFET assembly 238, the four MOSFET assemblies 238, then be electrically connected at the first data signal pin 211, the first diodes 2311 that are subject to electric microprocessor 21, the rectification in parallel of the second diode 2331 and signal feedback electric capacity 239, utilize respectively the first resistance 231, the second resistance 233, the first diode 2311, the second diode 2331 is electrically connected at and is subject to electric resonance electric capacity 27 and is subject to electric coil 271, voltage detection circuit 22, and breaking protection circuit 24 series connection open circuit protection resistance 241, P type MOSFET assembly 242 and N-type MOSFET assembly 243, utilize N-type MOSFET assembly 243, be electrically connected at and be subject to electric microprocessor 21, separately utilize P type MOSFET assembly 242, the electric capacity 251, first for buffering that is electrically connected at voltage stabilizing circuit 25 is subject to electric DC decompression device 252, utilizes first to be subject to electric DC decompression device 252 electric connections to be subject to electric output 253, and voltage detection circuit 22, breaking protection circuit 24, voltage stabilizing circuit 25 and second are subject to electric DC decompression device 26, be electrically connected at respectively and be subject to electric microprocessor 21, and utilize voltage detection circuit 22, breaking protection circuit 24 and second to be subject to electric DC decompression device 26, be electrically connected at respectively rectification and signal feedback circuit 23, again with the first diode 2311, second diode 2331 of rectification and signal feedback circuit 23, be electrically connected at and be subject to electric resonance electric capacity 27, by be electrically connected by electric resonance electric capacity 27, be subject to electric coil 271, the one MOSFET assembly 232, the 2nd MOSFET assembly 234, be respectively the N-channel MOS FET assembly as rectifier, the 3rd MOSFET assembly 236, the 4th MOSFET assembly 238, be respectively the N-channel MOS FET assembly as switch module, be subject to electric module 2 can operate in modulation all-wave feedback signal or modulation half-wave feedback signal.
The inductive power-supply supply device of the invention described above, the power supply coil 171 that utilizes supply module 1 be subject to electric module 2 be subject to electric coil 281, during transmitting electric energy, also can be transmitted data by being subject to electric module 2 to feed back signal to supply module 1 simultaneously, no matter and the size of the power of transferring electric power, can not affect the stable transmission of data-signal, power supply coil 171 be subject to electric coil 281 during induction transmits electric power, the streamed direction of electricity is to be sensed and be subject to electric module 2 by supply module 1, to be subject to electric module 2 to be considered as a load, and the electric current that this load is drawn is from power supply coil 171, its size of current can affect the amplitude variations on power supply coil 171, design arranges control switch in the rectification that is subject to electric module 2 and signal feedback circuit 23, by the first data signal pin 211 that is subject to electric microprocessor 21 and the second data signal pin 212, in order to control the 3rd MOSFET assembly 236 and the 4th MOSFET assembly 238, carry out the switching function of rectification and signal feedback circuit 23, utilize cut-out rectification and signal feedback circuit 23 runnings of utmost point short time, make 1 short time of supply module lose load, when during being to power, electric power transmits, can cause the amplitude on power supply coil 171 to produce the idle running phenomenon because losing load effect, signal amplitude is dwindled, when rectification and signal feedback circuit 23 are opened conducting again, due to the electric power that interrupts for the previous period transmit the rectification and the 239 electric power declines of signal feedback electric capacity make rear end, after rectification and signal feedback circuit 23 conductings, rectification and signal feedback electric capacity 239 strengthen because charge effects draws the amplitude that multiple current more makes to power on coil 171, utilize this effect can be by being subject to electric module 2 to feed back signal to supply module 1, carry out the function of transfer of data, not having unnecessary power during feedback signal is depleted, and only had by electric module 2 and lose at short notice supply of electric power, but do not have part need to bear rush of current, can avoid the damage of spare part.
Refer to Fig. 1, 2, 3, shown in 4, be the simple circuit figure of supply module of the present invention, be subject to the simple circuit figure of electric module, be subject to the simple circuit figure of electric module the first embodiment, be subject to the simple circuit figure of electric module the second embodiment, wherein the electric module 2 that is subject to of the present invention, by semibridge system synchronous rectification mode, is utilized the first diode 2311, the second 2,331 two of diodes diode collocation the one MOSFET assembly 232, the 2nd 234 two of MOSFET assemblies N-channel MOS FET, carry out the rectification operation, and two N-channel MOS FET assemblies that are positioned at low side can reduce the loss of conducting, and do not need extra integrated circuit to be controlled, each commutation cycle only needs primary current to pass through the first diode 2311, the second forward loss of pressure reduction of 2,331 two of diodes diode, pass through a MOSFET assembly 232 with electric current, the 2nd 234 two of MOSFET assemblies N-channel MOS FET assembly utmost point low on-resistance loss, compare with four diode rectifications of tradition the rectification energy loss that has approximately reduced half, again in rectification and signal feedback circuit 23, add again the 3rd MOSFET assembly 236 of two N raceway grooves, the switch that the 4th MOSFET assembly 238 operates as the control rectification circuit, to control the running of synchronous rectification in rectification and signal feedback circuit 23, carried out by electric module 2 general while being subject to the power mode running, the 3rd MOSFET assembly 236 of two N raceway grooves, the switch of the 4th MOSFET assembly 238, all in open-circuit condition, and the unlikely synchronous rectification running that affects rectification and signal feedback circuit 23.
Refer to Fig. 1, 2, 3, shown in 4, be the simple circuit figure of supply module of the present invention, be subject to the simple circuit figure of electric module, be subject to the simple circuit figure of electric module the first embodiment, be subject to the simple circuit figure of electric module the second embodiment, wherein the present invention is subject to the electric microprocessor 21 that is subject to of electric module 2, sets the first data signal pin 211, the second data signal pin 212 all keeps low-potential state, makes the 3rd MOSFET assembly 236, the 4th MOSFET assembly 238 all keeps the state of open circuit, after the electric energy that the power supply coil 171 that is subject to electric coil 271 receiving supply module 1 transmits, when between positive half period, positive current is by entered by electric coil 271, then stands electric resonance electric capacity 27(and please consult shown in Fig. 3 simultaneously), the positive current loop is sequentially by the first diode 2311, voltage detection circuit 22, breaking protection circuit 24 is to the electric output 253 that is subject to of voltage stabilizing circuit 25, and is subject to electric coil 271 can produce high potential via the first resistance 231 between positive half period, the grid G pin that is connected to a MOSFET assembly 232 makes its conducting, makes earth current derive rear the flow direction by MOSFET assembly 232 earth terminals and is subject to electric coil 271 to form a complete current supply circuit.
Again, after the electric energy that transmitted at the power supply coil 171 that receives supply module 1 by electric coil 271, when between negative half-cycle, positive current is by be subject to electric coil 271 to enter (please consulting shown in Fig. 4) simultaneously, the positive current loop is sequentially by the second diode 2331, voltage detection circuit 22, breaking protection circuit 24 is to the electric output 253 that is subject to of voltage stabilizing circuit 25, and be subject to electric coil 271 can produce high potential via the second resistance 233 between negative half-cycle, the grid G pin that is connected to the 2nd MOSFET assembly 234 makes its conducting, after earth current is derived by the 2nd MOSFET assembly 234 earth terminals, via flowed to by electric resonance electric capacity 27, be subject to electric coil 271 to form a complete current supply circuit.Above Fig. 3 and Fig. 4 have illustrated at rectification during induction power supply and signal feedback circuit 23 in the power supply function mode of not modulating under feedback states.
Refer to Fig. 1, 2, 5, shown in 6, simple circuit figure for supply module of the present invention, be subject to the simple circuit figure of electric module, be subject to the simple circuit figure of electric module the 3rd embodiment, be subject to the simple circuit figure of electric module the 4th embodiment, wherein be subject to rectification and the signal feedback circuit 23 of electric module 2, during the running of being modulated the half-wave feedback signal, after being subject to electric microprocessor 21 the first data-signal 211 settings can be output as to high potential (being generally the operating voltage 5V (volt) that is subject to electric microprocessor 21) and high potential be inputed to the grid G pin of N raceway groove the 4th MOSFET assembly 238, make the 4th MOSFET assembly 238 switches present conducting, even the grid G pin of the 2nd MOSFET assembly 234 that synchronous rectification is used keeps electronegative potential, another the second data-signal 212 keeps low-potential state, after inputing to the grid G pin of N raceway groove the 3rd MOSFET assembly 236, makes the 3rd MOSFET assembly 236 keep the state of open circuit.After the electric energy that the power supply coil 171 that is subject to electric coil 271 receiving supply module 1 transmits, when between positive half period, positive current is by entered by electric coil 271, stand electric resonance electric capacity 27(please consults shown in Fig. 5 simultaneously again), the positive current loop is sequentially by the first diode 2311, voltage detection circuit 22, breaking protection circuit 24 is to the electric output 253 that is subject to of voltage stabilizing circuit 25, and be subject to electric coil 271 can produce high potential via the first resistance 231 between positive half period, the grid G pin that is connected to a MOSFET assembly 232 makes its conducting, flow to and be subject to electric coil 271 to form a complete current supply circuit after earth current is derived by MOSFET assembly 232 earth terminals.
Again, after the electric energy that transmitted at the power supply coil 171 that receives supply module 1 by electric coil 271, when between negative half-cycle, positive current is by be subject to electric coil 271 to enter (please consulting shown in Fig. 6) simultaneously, and be subject to electric coil 271 can produce high potential via the second resistance 233 between negative half-cycle, be connected to the grid G pin of the 2nd MOSFET assembly 234, but because the 4th MOSFET assembly 238 switches present conducting under this state of a control, so this end points will keep low-potential state, make the 2nd MOSFET assembly 234 present the state of open circuit, can't form loop by the conducting earth current, so can not supply power to and be subject to electric output 253 in this commutation cycle, now be subject to electric module 2 only to draw half energy of normal power supply.Above Fig. 5 and Fig. 6 illustrated during induction power supply, rectification and signal feedback circuit 23 function mode of powering during the running of being modulated the half-wave feedback signal.
Refer to Fig. 1, 2, 7, shown in 8, simple circuit figure for supply module of the present invention, be subject to the simple circuit figure of electric module, be subject to the simple circuit figure of electric module the 5th embodiment, be subject to the simple circuit figure of electric module the 6th embodiment, wherein the present invention is subject to the electric microprocessor 21 that is subject to of electric module 2, during the running of being modulated the all-wave feedback signal, set the first data signal pin 211, the second data signal pin 212 all keeps high potential state (being generally the operating voltage 5V (volt) that is subject to electric microprocessor 21), export respectively the 3rd MOSFET assembly 236 to, the 4th MOSFET assembly 238, and make these two assembly switches all keep the state of conducting, and then make a MOSFET assembly 232, the grid G pin of 234 two N-channel MOS FET of the 2nd MOSFET assembly keeps electronegative potential, after the electric energy that the power supply coil 171 that is subject to electric coil 271 receiving supply module 1 transmits, when between positive half period and negative half-cycle, positive current can't form current supply circuit by entered all by electric coil 271, now being subject to the electric coil 271 that is subject to of electric module 2 is that non-loaded situation is not drawn energy at power supply coil 171.Above Fig. 7 and Fig. 8 illustrated during induction power supply, rectification and signal feedback circuit 23 function mode of powering during the running of being modulated the all-wave feedback signal.
Refer to Fig. 1, 2, 9, shown in 10, simple circuit figure for supply module of the present invention, be subject to the simple circuit figure of electric module, modulation all-wave feedback signal waveform figure, modulation feedback signal dissection process oscillogram, by shown in figure, asking Chu to find out, a MOSFET assembly 232 in the rectification that is subject to electric module 2 and signal feedback circuit 23, the circuit of the synchronous rectification that the 2nd MOSFET assembly 234 forms, in the first data signal pin 211, the second data signal pin 212 all keeps under high potential state making a MOSFET assembly 232, the grid G pin of 234 two N-channel MOS FET of the 2nd MOSFET assembly keeps electronegative potential, make circuit present disconnection and (please consult the 4th simultaneously, seven, shown in eight figure) moment, can make the amplitude on the power supply coil 171 of supply module 1 slightly fall, and at a MOSFET assembly 232, after the 2nd MOSFET assembly 234 synchronous rectifier conductings, the time, due to the electric power that interrupts for the previous period transmit the rectification and the 239 electric power declines of signal feedback electric capacity make rear end, after rectification and signal feedback circuit 23 conductings, rectification and signal feedback electric capacity 239 strengthen because charge effects draws the amplitude that multiple current more makes to power on coil 171, utilize this effect, can be by being subject to electric coil 271 feedback data signals to the coil 171 of powering, and be subject to during electric coil 271 carries out the modulation operation of feedback data, can't cause the loss of energy, also can improve power supply coil 171, be subject to the efficiency of 271 power supply conversions of electric coil, and during rectification and signal feedback circuit 23 are modulated feedback signal, after first dwindling, amplifies again amplitude on power supply coil 171, can make to be subject to the data-signal of electric coil 271 feedbacks, after feeding back to power supply coil 171, the microprocessor 11 that can make to power is more easily identified, be subject to the numeric data code of the data-signal of electric coil 271 feedbacks to transmit also more stable, improve the effect of power delivery efficiency.Signal in explanation in Figure 10 on power supply coil 171 is after signal resolution circuit 13 is processed, produce clearly amplitude variations, and this signal enters power supply microprocessor 11 again, by the signal resolution software with anti-noise function, process and can complete the function that receives data-signal.
Therefore, the foregoing is only preferred embodiment of the present invention, non-so limit to the scope of the claims of the present invention, control the device that synchronous rectification switch transmits data in inductive power-supply supply device of the present invention, it is by the power supply microprocessor 11 of supply module 1, be subject to electric coil 281 by power supply coil 171 supply power supplys to what be subject to electric module 2, and by the rectification that is subject to electric module 2 and signal feedback circuit 23, by the 3rd MOSFET assembly 236, the switch of the 4th MOSFET assembly 238, disconnect rectification and signal feedback circuit 23 in the short time, be subject to the load characteristic of electric coil 271 with change, and make to be subject to the power supply coil 171 of electric coil 271 feedback data signals to supply module 1, and the numeric data code of the microprocessor 11 easy Identification Data signals that make to power, when can reach supply module 1 by power supply coil 171 be subject to electric module 2 be subject to 271 of electric coils transmission power supply the time, utilize rectification and signal feedback circuit 23 by the short time turn-off current, can carry out the stable transfer of data-signal simultaneously, reduce the purpose of the loss of data-signal transmission, do not increase supply module 1 during the modulation feedback signal, be subject to 2 power consumptions of electric module, and can promote the advantage of the maximum transmission power of induction type power supply source supply, therefore such as can reach the flow process of aforementioned effect, implementation method etc., and relevant equipment, device, contained by the present invention, this kind of simple and easy modification and equivalent structure change, all should in like manner be contained in the scope of the claims of the present invention, close and give Chen Ming.
Control the device that synchronous rectification switch transmits data in the inductive power-supply supply device of the invention described above, when reality is implemented manufacturing operation, for thering is following advantage, as:
(1) the power supply coil 171 of supply module 1, be subject to electric module 2 be subject to electric coil 271, when carrying out delivery of electrical energy, utilization is subject to the rectification of electric module 2 and signal feedback circuit 23 to be subject to the load characteristic of electric coil 271 with short time turn-off current, change, and make to be subject to electric module 271 feedback data signals to powering coil 171, and be easy to the numeric data code that identification transmits, reach the purpose of stable transfer data-signal, raising power delivery efficiency.
(2) be subject to the electric coil 271 that is subject to of electric module 2 being modulated feedback signal to during the coil 171 of powering, can't increase power supply coil 171 and transmit the loss of electric energy, and can improve the efficiency of power supply conversion.
Therefore, the present invention is for transmitting the device design of data mainly for control synchronous rectification switch in the inductive power-supply supply device, for the synchronous rectification by being subject to electric module and signal feedback circuit, at the power supply coil of supply module and while being subject between electric coil electric energy transmitting, utilize synchronous rectification and signal feedback circuit in the disconnection running of short time, change the amplitude of power supply coil, make to be subject to electric coil feedback data signal to the coil of powering, and reach supply module, supply power in the power supply transmission that is subject to electric module, also can stablize the feedback data signal is main key protection point, and improve the efficiency of power supply conversion, and the numeric data code that makes the feedback transmission data-signal is easy to the function of identification, improve the usefulness of power delivery, but, the foregoing is only preferred embodiment of the present invention, just illustrative for the purpose of the present invention, and it is nonrestrictive, those of ordinary skills understand, in the situation that do not break away from the spirit and scope that following claims limit, can make many modifications, change, or equivalence, but all will fall within the scope of protection of the present invention.
In sum, when in the above-mentioned inductive power-supply supply device of the present invention, the control synchronous rectification switch transmits the actual enforcement of being installed on of data, application, for really reaching its effect and purpose, therefore the present invention is really the research and development of a practicality excellence, for meeting the application important document of patent of invention, therefore file an application in accordance with the law, expect that examining committee grants accurate this case early, to ensure inventor's arduous research and development, if an ancient unit of weight office examine committee have any check doubtful, the indication of please writing to us without sparing, settled the doing one's utmost of inventor coordinates, and the true feeling moral is just.
Claims (11)
1. control the device that synchronous rectification switch transmits data in an inductive power-supply supply device, it is characterized in that: comprise supply module and be subject to electric module, supply module comprises the power supply microprocessor of built-in program, the electric drive unit that supplies with the electric connection of power supply microprocessor, the signal resolution circuit, power supply coil voltage detecting circuit, display unit, power supply unit and power supply resonant capacitance, and be electrically connected for transmitting electric energy by the power supply resonant capacitance, receive the power supply coil of data-signal, relatively power coil in being subject to electric module to be provided with the electric coil that is subject to that carries out the data-signal transmission with the coil of powering,
This is subject to electric module is the electric microprocessor that is subject to that comprises built-in program, and be subject to electric microprocessor to be electrically connected respectively voltage detection circuit, rectification and signal feedback circuit, breaking protection circuit, voltage stabilizing circuit, be subject to electric DC decompression device and be subject to electric coil, and rectification and signal feedback circuit comprise respectively the first resistance be electrically connected with the two end electrodes that is subject to electric coil, the one MOSFET assembly, the first diode and the second resistance, the 2nd MOSFET assembly, the second diode, again by the first resistance, the one MOSFET assembly is electrically connected another the 3rd resistance be electrically connected by electric microprocessor, the 3rd MOSFET assembly, and utilize the second resistance, the 2nd MOSFET assembly is electrically connected another the 4th resistance be electrically connected by electric microprocessor, the 4th MOSFET assembly.
2. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 1, it is characterized in that, this is subject to the first resistance, the second resistance, the first diode, the second diodes in parallel rectification and the signal feedback electric capacity of electric module, then is electrically connected at and is subject to electric resonance electric capacity and is subject to electric coil, voltage detection circuit.
3. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 1, it is characterized in that, this second data signal pin, the 4th MOSFET assembly that be electrically connected at by the 3rd MOSFET assembly of electric module and be subject to electric microprocessor is electrically connected at the first data signal pin that is subject to electric microprocessor.
4. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 1, it is characterized in that, a MOSFET assembly, the 2nd MOSFET assembly that this is subject to electric module, be respectively the N-channel MOS FET assembly as rectifier; The 3rd MOSFET assembly, the 4th MOSFET assembly, be respectively the N-channel MOS FET assembly as switch module.
5. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 1, it is characterized in that, the power supply microprocessor of this supply module is electrically connected respectively for electric drive unit, signal resolution circuit, power supply coil voltage detecting circuit, display unit and power supply unit, and utilizes for electric drive unit electric connection power supply resonant capacitance and power supply coil.
6. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 5, it is characterized in that, this confession electric drive unit comprises the mosfet driver that is electrically connected the power supply microprocessor, and mosfet driver also is electrically connected respectively high-end MOSFET assembly, low side MOSFET assembly, be electrically connected power supply resonant capacitance and power supply coil by high-end MOSFET assembly, low side MOSFET assembly again, and high-end MOSFET assembly is electrically connected to power supply unit.
7. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 5, it is characterized in that, this signal resolution circuit comprises one or more supplying resistance, one or more power supply electric capacity and rectifier diode.
8. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 7, it is characterized in that, the one or more supplying resistance of this signal resolution circuit, one or more power supply electric capacity, be the serial or parallel connection mode and be electrically connected.
9. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 5, it is characterized in that, this power supply coil voltage detecting circuit comprises power supply coil voltage detecting electric capacity and the first power supply coil voltage detecting resistance that is in parallel, and power supply coil voltage detecting electric capacity in parallel and the first power supply coil voltage detecting resistance are being electrically connected at respectively the power supply microprocessor, the the second power supply coil voltage detecting resistance and the power supply coil voltage detecting diode that are series connection, the second resistance of recycling series connection and power supply coil voltage detecting diode are electrically connected to respectively power supply resonant capacitance and signal resolution circuit.
10. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 5, it is characterized in that, this power supply unit comprises power supply source, is divider resistance and the supplying DC reducing transformer for detecting of series connection, and is electrically connected at respectively the power supply microprocessor and supplies electric drive unit.
11. control the device that synchronous rectification switch transmits data in inductive power-supply supply device as claimed in claim 1, it is characterized in that, it is subject to electric module can operate in modulation all-wave feedback signal or modulation half-wave feedback signal.
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| CN201210169832.7A CN103457361B (en) | 2012-05-28 | 2012-05-28 | In inductive power-supply supply device, control synchronization rectifier switch transmits the device of data |
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| CN201210169832.7A CN103457361B (en) | 2012-05-28 | 2012-05-28 | In inductive power-supply supply device, control synchronization rectifier switch transmits the device of data |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944215A (en) * | 2014-03-17 | 2014-07-23 | 天津工业大学 | Resonance type charging control system based on current feedback and control method thereof |
| CN105958663A (en) * | 2014-01-08 | 2016-09-21 | 富达通科技股份有限公司 | Power supply module for induction type power supply and current signal detection method |
| CN107005088A (en) * | 2014-11-28 | 2017-08-01 | 索尤若驱动有限及两合公司 | Method and system for running the charging station that electric energy induction type is transferred to the vehicle with accumulator |
| US10038338B2 (en) | 2011-02-01 | 2018-07-31 | Fu Da Tong Technology Co., Ltd. | Signal modulation method and signal rectification and modulation device |
| US10114396B2 (en) | 2015-10-28 | 2018-10-30 | Fu Da Tong Technology Co., Ltd. | Induction type power supply system and intruding metal detection method thereof |
| US10289142B2 (en) | 2011-02-01 | 2019-05-14 | Fu Da Tong Technology Co., Ltd. | Induction type power supply system and intruding metal detection method thereof |
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| US10615645B2 (en) | 2011-02-01 | 2020-04-07 | Fu Da Tong Technology Co., Ltd | Power supply device of induction type power supply system and NFC device identification method of the same |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899088A (en) * | 1988-08-31 | 1990-02-06 | Honeywell Inc. | Power control circuit for inductive loads |
| CN201466997U (en) * | 2009-07-20 | 2010-05-12 | 英飞特电子（杭州）有限公司 | Current control synchronous rectification drive circuits |
| TW201218571A (en) * | 2011-12-30 | 2012-05-01 | Fu Da Tong Technology Co Ltd | using a power supply module to stabilize the operation of a control system and to continuously transmit large power energy to a power reception module |
-
2012
- 2012-05-28 CN CN201210169832.7A patent/CN103457361B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899088A (en) * | 1988-08-31 | 1990-02-06 | Honeywell Inc. | Power control circuit for inductive loads |
| CN201466997U (en) * | 2009-07-20 | 2010-05-12 | 英飞特电子（杭州）有限公司 | Current control synchronous rectification drive circuits |
| TW201218571A (en) * | 2011-12-30 | 2012-05-01 | Fu Da Tong Technology Co Ltd | using a power supply module to stabilize the operation of a control system and to continuously transmit large power energy to a power reception module |
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|---|---|---|---|---|
| US10630113B2 (en) | 2011-02-01 | 2020-04-21 | Fu Da Tong Technology Co., Ltd | Power supply device of induction type power supply system and RF magnetic card identification method of the same |
| US10038338B2 (en) | 2011-02-01 | 2018-07-31 | Fu Da Tong Technology Co., Ltd. | Signal modulation method and signal rectification and modulation device |
| US10289142B2 (en) | 2011-02-01 | 2019-05-14 | Fu Da Tong Technology Co., Ltd. | Induction type power supply system and intruding metal detection method thereof |
| US10312748B2 (en) | 2011-02-01 | 2019-06-04 | Fu Da Tong Techology Co., Ltd. | Signal analysis method and circuit |
| US10615645B2 (en) | 2011-02-01 | 2020-04-07 | Fu Da Tong Technology Co., Ltd | Power supply device of induction type power supply system and NFC device identification method of the same |
| US11128180B2 (en) | 2011-02-01 | 2021-09-21 | Fu Da Tong Technology Co., Ltd. | Method and supplying-end module for detecting receiving-end module |
| CN105958663A (en) * | 2014-01-08 | 2016-09-21 | 富达通科技股份有限公司 | Power supply module for induction type power supply and current signal detection method |
| CN105958663B (en) * | 2014-01-08 | 2018-07-13 | 富达通科技股份有限公司 | Power supply module for induction type power supply and current signal detection method |
| CN103944215A (en) * | 2014-03-17 | 2014-07-23 | 天津工业大学 | Resonance type charging control system based on current feedback and control method thereof |
| CN107005088A (en) * | 2014-11-28 | 2017-08-01 | 索尤若驱动有限及两合公司 | Method and system for running the charging station that electric energy induction type is transferred to the vehicle with accumulator |
| CN107005088B (en) * | 2014-11-28 | 2020-10-13 | 索尤若驱动有限及两合公司 | Method and system for operating a charging station for the inductive transmission of electrical energy to a vehicle having an energy store |
| US10114396B2 (en) | 2015-10-28 | 2018-10-30 | Fu Da Tong Technology Co., Ltd. | Induction type power supply system and intruding metal detection method thereof |
| CN113358013A (en) * | 2020-03-06 | 2021-09-07 | 深圳普赢创新科技股份有限公司 | Electromagnetic induction type coordinate positioning device |
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