CN102916497A - Safety socket for wireless electric energy transmission - Google Patents
Safety socket for wireless electric energy transmission Download PDFInfo
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- CN102916497A CN102916497A CN2012103905425A CN201210390542A CN102916497A CN 102916497 A CN102916497 A CN 102916497A CN 2012103905425 A CN2012103905425 A CN 2012103905425A CN 201210390542 A CN201210390542 A CN 201210390542A CN 102916497 A CN102916497 A CN 102916497A
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Abstract
The invention provides a safety socket for wireless electric energy transmission. The socket comprises a fixed circuit part mounted on a wall and a movable circuit part capable of being held by a hand, wherein the fixed circuit part converts mains AC voltage into a first rectified voltage, inverses the first rectified voltage according to a pulse control signal obtained after high-frequency current sent by the movable circuit part is sequentially subject to square-wave transformation, phase-locked loop treatment and voltage control treatment, and conveys the obtained 100 kHz-500 kHz high-frequency AC voltage to the movable circuit part in an electromagnetic energy manner; and the movable circuit part achieves commutating and voltage-stabilizing, as well as power frequency inversion, of the high-frequency AC voltage received in a resonant manner, sends the obtained power-frequency AC voltage to an external load, acquires the high-frequency current obtained according to the high-frequency AC voltage and sends the high-frequency current to the fixed circuit part in a wireless manner. The safety socket for wireless electric energy transmission has the characteristics of high security, high control precision, low energy loss and the like, and can be widely used in production and living.
Description
Technical field
The present invention relates to technology of transmission of electricity, particularly relate to a kind of safe electric energy wireless transmission socket.
Background technology
At present, in industrial and agricultural production and daily life, the socket of any pattern all is to be connected with outside electrical equipment by jack, and is outside electrical equipment electric energy transmitting.Because the socket plugged, therefore electrode is charged in the socket.People are in careless situation, and the impact of the various factors such as leaked electricity, moist may cause getting an electric shock.Even in life staying idle at home, children may stretch into jack with finger and get an electric shock under drive by curiosity.
Fig. 1 is the composition structural representation of the described a kind of high-power wireless power transmission system of prior art.Application number 201110106328.8, name are called in the Chinese invention patent application of " a kind of high-power wireless power transmission system ", AC power obtains direct current after processing through rectifying and wave-filtering, high-frequency inverter circuit is high-frequency alternating current with this dc inverter, and utilizes the electromagentic resonance carry high frequency alternating current between the coil; To through the transmission high-frequency alternating current carry out successively rectifying and voltage-stabilizing, output current and output voltage adaptive after, be loaded on load.But the accuracy of external interference, equipment can cause control precision relatively poor, even can cause can't producing resonance between energy storage transmitting coil and the energy storage receiving coil, and the transmission of electricity energy loss is larger.
This shows, in the prior art, the safety in utilization of socket is relatively poor, and the control precision of electric energy wireless transmission is poor and the transmission of electricity energy loss is larger.
Summary of the invention
In view of this, main purpose of the present invention is the safe electric energy wireless transmission socket that a kind of control precision safe to use, electric energy wireless transmission is higher and energy loss is less.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of safe electric energy wireless transmission socket comprises the permanent circuit part that is installed on the metope and hand-holdable walking circuit part; Wherein,
The permanent circuit part, be used for 50Hz, the 220V alternating voltage of outside input are converted to the first commutating voltage, carry out successively at the high-frequency current that walking circuit is partly sent under the control of the control wave that square wave conversion, phase-locked loop are processed, the voltage adjustment obtains after processing, the first commutating voltage is carried out high-frequency inversion, and be that the high-frequency ac voltage of 100kHz～500kHz is passed to the walking circuit part in loss-free electromagnetic energy mode with the frequency that obtains.
The walking circuit part is used for the high-frequency ac voltage that the permanent circuit that receives with resonance manner partly sends is carried out the power frequency ac voltage that obtains being sent to external loading after rectifying and voltage-stabilizing, power frequency inversion process; And gather the high-frequency current that obtains according to high-frequency ac voltage, and this high-frequency current is sent to the permanent circuit part with wireless mode.
In sum, in the safe electric energy wireless transmission socket of the present invention, the permanent circuit part will be through behind the rectifying and wave-filtering to 50Hz, the 220V alternating voltage of outside input, under the control of control wave, be the high-frequency ac voltage of 100kHz～500kHz by the high-frequency inversion module converts, and the frequency of high-frequency ac voltage is locked; The walking circuit part is delivered to external loading with power frequency ac voltage after the high-frequency ac voltage that receives in loss-free electromagnetic energy mode is carried out rectifying and voltage-stabilizing, power frequency inversion processing.Among the present invention, because the frequency of high-frequency ac voltage is accurately locked, can transfer to the walking circuit part with loss-free electromagnetic mode therefore high-frequency ac voltage is definite; Like this, the control precision of safe electric energy wireless transmission socket of the present invention is higher, power transmission loss is less.In addition, safe electric energy wireless transmission socket of the present invention does not have jack, and this has just been avoided the generation of electric shock accidents.
Description of drawings
Fig. 1 is the composition structural representation of the described a kind of high-power wireless power transmission system of prior art.
Fig. 2 is the composition structural representation of safe electric energy wireless transmission socket of the present invention.
Fig. 3 is the composition structural representation of permanent circuit part of the present invention.
Fig. 4 is the composition structural representation of walking circuit part of the present invention.
Fig. 5 is the composition structural representation of rectification filtering module of the present invention.
Fig. 6 is the composition structural representation of high-frequency inversion module of the present invention.
Fig. 7 is the circuit diagram of high-frequency inversion driver of the present invention.
Fig. 8 is the composition structural representation of high-frequency inverter of the present invention.
Fig. 9 is the composition structural representation of control module of the present invention.
Figure 10 is the composition structural representation of square wave treatment circuit of the present invention.
Figure 11 is the composition structural representation of phase-locked loop of the present invention.
Figure 12 is the composition structural representation of voltage-regulating circuit of the present invention.
Figure 13 is the composition structural representation of power frequency inversion module of the present invention.
Figure 14 is the circuit diagram of power frequency inversion driver of the present invention.
Figure 15 is the composition structural representation of the described safe electric energy wireless transmission socket of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 2 is the composition structural representation of safe electric energy wireless transmission socket of the present invention.As shown in Figure 2, safe electric energy wireless transmission socket of the present invention comprises the permanent circuit part 1 that is installed on the metope and hand-holdable walking circuit part 2; Wherein,
Here, high-frequency ac voltage transmits by circuit resonance in loss-free electromagnetic energy mode and realizes.
In a word, when using safe electric energy wireless transmission socket of the present invention, removable circuit part is covered the permanent circuit part by the draw-in groove that is installed on the metope: the permanent circuit part will be through behind the rectifying and wave-filtering to 50Hz, the 220V alternating voltage of outside input, under the control of control wave, be the high-frequency ac voltage of 100kHz～500kHz by the high-frequency inversion module converts, and the frequency of high-frequency ac voltage is locked; The walking circuit part is delivered to external loading with power frequency ac voltage after the high-frequency ac voltage that receives in loss-free electromagnetic energy mode is carried out rectifying and voltage-stabilizing, power frequency inversion processing.In the safe electric energy wireless transmission socket of the present invention, because the frequency of high-frequency ac voltage is accurately locked, can transfer to the walking circuit part with loss-free electromagnetic mode therefore high-frequency ac voltage is definite.Therefore, the control precision of safe electric energy wireless transmission socket of the present invention is higher, power transmission loss is less.In addition, safe electric energy wireless transmission socket of the present invention does not have jack, and this has just been avoided the generation of electric shock accidents.
Among the present invention, bearing power is 20～100W.
Fig. 3 is the composition structural representation of permanent circuit part of the present invention.As shown in Figure 3, permanent circuit part 1 of the present invention comprises rectification filtering module 11, high-frequency inversion module 12, the first inductance L 1, control module 13; Wherein,
High-frequency inversion module 12, be used for the control wave according to control module 13 transmissions, the filter rectification voltage transformation that rectification filtering module 11 is sent is that frequency is the high-frequency ac voltage of 100kHz～500kHz, and high-frequency ac voltage is sent to the first inductance L 1.
The first inductance L 1 is used for the high-frequency ac voltage that high-frequency inversion module 12 sends is passed to walking circuit part 2 in loss-free electromagnetic energy mode.
Fig. 4 is the composition structural representation of walking circuit part of the present invention.As shown in Figure 4, walking circuit part 2 comprises the second inductance L 2, rectifying and voltage-stabilizing module 21, power frequency inversion module 22, signal acquisition module 23, wireless transmitting terminals 24; Wherein,
The second inductance L 2, the high-frequency ac voltage that is used for sending with the permanent circuit part 1 that resonance manner receives is sent to rectifying and voltage-stabilizing module 21.
Rectifying and voltage-stabilizing module 21 is used for the high-frequency ac voltage that the second inductance L 2 sends is converted to the second commutating voltage, and to after the second commutating voltage voltage stabilizing, the voltage stabilizing commutating voltage that obtains is sent to power frequency inversion module 22.
Power frequency inversion module 22 after being used for the voltage stabilizing commutating voltage that rectifying and voltage-stabilizing module 21 sends is converted to power frequency ac voltage, is sent to external loading with power frequency ac voltage.
Signal acquisition module 23 is used for gathering the high-frequency current that the second inductance L 2 is exported, and high-frequency current is sent to wireless transmitting terminals 24.
Among the present invention, signal acquisition module 23 is Hall current sensor, is used for gathering the high-frequency current of the second inductance L 2 place ports.
Wireless transmitting terminals 24 is used for the high-frequency current that signal acquisition module 23 sends is sent to permanent circuit part 1 with wireless mode.
In the practical application, when removable circuit part covers the permanent circuit part, form electromagnetic coupled between the first inductance L 1 and the second inductance L 2.When the second inductance L 2 place circuit loop generation resonance, the second transducer L2 receives the high-frequency ac voltage that the first inductance L 1 is transmitted in lossless mode.
Fig. 5 is the composition structural representation of rectification filtering module of the present invention.As shown in Figure 5, the rectification circuit of rectification filtering module 11 is the single phase rectifier circuit that diode D1～D4 forms, and filter circuit is by capacitor C 1 realization, and capacitor C 1 is connected in parallel on rectification circuit output end.Here, single phase rectifier circuit is prior art, repeats no more herein.
Fig. 6 is the composition structural representation of high-frequency inversion module of the present invention.As shown in Figure 6, high-frequency inversion module 12 comprises high-frequency inversion driver 121, high-frequency inverter 122; Wherein,
High-frequency inversion driver 121 is used for providing first to drive signal to high-frequency inverter 122 under the control of the control wave that control module 13 sends.
High-frequency inverter 122, be used under the effect of the first driving signal that high-frequency inversion driver 121 sends, the filter rectification voltage transformation that rectification filtering module 11 is sent is after frequency is the high-frequency ac voltage of 100kHz～500kHz, and high-frequency ac voltage is sent to the first inductance L 1.
Fig. 7 is the circuit diagram of high-frequency inversion driver of the present invention.As shown in Figure 7, the ERR+ pin of UC3846 chip connects outside given voltage, ERR-pin link control module 8 outputs; The RT pin is by resistance R 1 ground connection, and the CT pin is by capacitor C 1 ground connection, and resistance R 1, capacitor C 1 have consisted of the crystal oscillator part of UC3846 chip; VCC pin, VIN pin connect outside direct voltage source, GND pin ground connection; AOUT pin, BOUT pin all are connected to high-frequency inverter 22 inputs.
Fig. 8 is the composition structural representation of high-frequency inverter of the present invention.As shown in Figure 8, high-frequency inverter 122 comprises the first insulated gate bipolar transistor IGBT1 (IGBT, Insulated Gate Bipolar Transistor), the second insulated gate bipolar transistor IGBT2, the 3rd insulated gate bipolar transistor IGBT2, the 4th insulated gate bipolar transistor IGBT4; Wherein, the first insulated gate bipolar transistor IGBT1 drain electrode connects the second insulated gate bipolar transistor IGBT2 source electrode, the 3rd insulated gate bipolar transistor IGBT3 drain electrode connects the 4th insulated gate bipolar transistor IGBT4 source electrode, the first insulated gate bipolar transistor IGBT1 source electrode is connected with the 3rd insulated gate bipolar transistor IGBT3 source electrode, the drain electrode of the second insulated gate bipolar transistor IGBT2 is connected with the drain electrode of the 4th insulated gate bipolar transistor IGBT4, the first insulated gate bipolar transistor IGBT1 source electrode, the second insulated gate bipolar transistor IGBT2 drain electrode is connected to rectification filtering module 1 output, the first insulated gate bipolar transistor IGBT1 drain electrode, the 3rd insulated gate bipolar transistor IGBT3 drain electrode is connected to resonance module 3 inputs; Be connected to again high-frequency inversion driver 121 first outputs after the first insulated gate bipolar transistor IGBT1 gate pole and the 4th insulated gate bipolar transistor IGBT4 gate pole link together, the second insulated gate bipolar transistor IGBT2 gate pole is connected to again high-frequency inversion driver 21 second outputs after the 3rd insulated gate bipolar transistor IGBT3 gate pole is connected to.
Among the present invention, the first insulated gate bipolar transistor IGBT1, the second insulated gate bipolar transistor IGBT2, the 3rd insulated gate bipolar transistor IGBT2, the 4th insulated gate bipolar transistor IGBT4 are the NPN type.In the practical application, the first insulated gate bipolar transistor IGBT1, the second insulated gate bipolar transistor IGBT2, the 3rd insulated gate bipolar transistor IGBT2, the 4th insulated gate bipolar transistor IGBT4 also can be positive-negative-positive.
Here, high-frequency inversion driver 121 first outputs are UC3846 chip AOUT pin, and high-frequency inversion driver 121 second outputs are UC3846 chip BOUT pin.
Fig. 9 is the composition structural representation of control module of the present invention.As shown in Figure 9, control module 13 comprises wireless interface receiving end 134, square wave treatment circuit 131, phase-locked loop 132, voltage-regulating circuit 133; Wherein,
Wireless interface receiving end 134 is used for receiving the high-frequency current that walking circuit part 2 sends with wireless mode, and high-frequency current is forwarded to square wave treatment circuit 131.
Square wave treatment circuit 131 is used for the high-frequency current that wireless interface receiving end 134 sends is converted into square wave current, and square wave current is sent to phase-locked loop 132.
Phase-locked loop 132 is used for the square wave current that square wave treatment circuit 131 sends is carried out the phase bit comparison with described phase-locked loop 132 output currents: when the square wave current phase place lags behind described phase-locked loop 132 output current phase place, send high level to voltage-regulating circuit; When the square wave current phase place is ahead of described phase-locked loop 132 output current phase place, send low level to voltage-regulating circuit; When the square wave current phase place equals described phase-locked loop 132 output current phase place, send zero level to voltage-regulating circuit.
Voltage-regulating circuit 133, be used for to high level, low level and zero level that phase-locked loop 132 sends carry out power amplification and be converted to level for-5V～+ the adjustment pulse signal of 5V; Exchange the whole pulse signal and carry out bias treatment, the bias pulse signal of 0V～10V of obtaining is carried out after clamper processes controlled pulse signal; Control wave is sent to high-frequency inversion driver 121.
Figure 10 is the composition structural representation of square wave treatment circuit of the present invention.As shown in figure 10, square wave treatment circuit 131 comprises the first amplifier, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 8th capacitor C 8, the 9th capacitor C 9; Wherein, the 4th resistance R 4 one ends are connected in series with the 5th resistance R 5 one ends, the 4th resistance R 4 other end connection+15V direct voltages, the 5th resistance R 5 other end ground connection; The 5th resistance R 5 one ends are connected to the first amplifier inverting input (the 2nd pin) by the 6th resistance R 6; Amplifier normal phase input end (the 3rd pin) is connected to wireless interface receiving end 134; The first amplifier balance end (the 5th pin) directly is connected with balance/gating end (the 6th pin), positive power source terminal (the 8th pin) connection+12V direct voltage; Negative power end (the 4th pin) is connected to-the 12V direct voltage on the one hand, on the other hand by the 8th capacitor C 8 ground connection; Earth terminal (the 1st pin) ground connection, output (the 7th pin) is connected to phase-locked loop 132 inputs.
Among the present invention, the first amplifier adopts the LM311 chip.
Figure 11 is the composition structural representation of phase-locked loop of the present invention.As shown in figure 11, phase-locked loop 132 comprises MC74HC4046AD chip, the 7th resistance to the 11 resistance R 7～R11, the tenth electric capacity to the 11 capacitor C 10～C11; Wherein, MC74HC4046AD chip the first timing resistor leading-in end (R1 pin) is by resistance R 8 ground connection, the second timing resistor leading-in end (R2 pin) is by resistance R 7 ground connection, earth terminal (GND pin) ground connection, be connected the tenth capacitor C 10 between internal voltage controlled oscillator the first timing capacitor link (CIA pin) and internal voltage controlled oscillator the second timing capacitor link (CIB pin), work positive supply link (VDD pin) connection+15V direct voltage source, voltage controlled oscillator blocks end (INH pin) ground connection, comparator input terminal (COMPIN pin) connects voltage controlled oscillator output (VCOOUT pin), and demodulator output (DEMOUT pin) is by the 9th resistance R 9 ground connection; The tenth resistance R 10 1 ends are connected to the 11 resistance R 11 1 ends on the one hand, are connected on the other hand voltage controlled oscillator input (VCOIN pin); The tenth resistance R 10 other ends connect phase comparator II output (PC2OUT pin), and the 11 resistance R 11 other ends are by the 11 capacitor C 11 ground connection; Signal input part (SIGIN pin) connects square wave treatment circuit 131 outputs, and phase comparator II output (PC2OUT pin) also connects voltage-regulating circuit 133 inputs.
Figure 12 is the composition structural representation of voltage-regulating circuit of the present invention.As shown in figure 12, voltage-regulating circuit 133 comprises NPN type triode T1, positive-negative-positive triode T2, the 9th diode to the 12 diode D9～D12, the 12 resistance to the 15 resistance R 12～R15, the 12 electric capacity to the 13 capacitor C 12～C13, the second amplifier; Wherein, NPN type triode, positive-negative-positive triode, the 9th diode D9～, the tenth diode D10, the 14 resistance R 14 form push-pull circuits, the 9th diode D9 negative electrode connects the tenth diode D10 anode; The 9th diode D9 anode is connected to NPN type triode T1 base stage on the one hand, is connected to+the 5V direct voltage source by the 14 resistance R 14 on the other hand; The tenth diode D10 negative electrode is connected to the positive-negative-positive transistor base; NPN type triode T1 emitter is connected to positive-negative-positive triode T2 emitter on the one hand, is connected to the second amplifying circuit normal phase input end by the 15 resistance R 15 on the other hand; The second amplifying circuit normal phase input end also connects+the 5V voltage source, the second amplifying circuit reverse inter-input-ing ending grounding; After the 16 resistance R 16 and the 13 capacitor C 13 were connected in parallel, the 16 resistance R 16 1 ends connected the second amplifier out, and the 16 resistance R 16 other ends connect the second amplifier inverting input; The 11 diode D11, the 12 diode D12 form clamp circuit, the 11 diode D11 anode connects the 12 diode D12 negative electrode on the one hand, the 11 diode D11 anode is connected to high-frequency inversion driver 21 inputs on the other hand, the 11 diode D11 negative electrode is connected to+the 10V voltage source, the 12 diode D12 plus earth; The 12 resistance R 12 1 ends are connected to the 13 resistance R 13 1 ends, the 13 resistance R 13 other ends are by the 12 capacitor C 12 ground connection, the 12 resistance R 12 other ends connect described phase-locked loop 82 first outputs, and the 13 resistance R 13 1 ends also are connected to described phase-locked loop 82 second outputs.
In the practical application, push-pull circuit output-5V～+ the voltage addition of the adjustment pulse signal of 5V and+5V voltage source output, obtain the bias pulse signal of 0V～10V; It is the control wave of 0V～10V with bias pulse signal clamper further that diode D11, diode D12 form clamp circuit.
Figure 13 is the composition structural representation of power frequency inversion module of the present invention.As shown in figure 13, power frequency inversion module 22 comprises power frequency inversion driver 221, power frequency inverter 222; Wherein,
Power frequency inversion driver 221 is used for the second driving signal that described power frequency inversion driver self produces is sent to power frequency inverter 222.
Power frequency inverter 222 is used for second driving under the control of signal that power frequency inversion driver 221 sends, after the voltage stabilizing commutating voltage that rectifying and voltage-stabilizing module 21 is sent is converted to power frequency ac voltage, power frequency ac voltage is sent to external loading.
Figure 14 is the circuit diagram of power frequency inversion driver of the present invention.As shown in figure 14, the RT pin of UC3846 chip is by resistance R 2 ground connection, and the CT pin is by capacitor C 5 ground connection, and resistance R 2, capacitor C 5 have consisted of the crystal oscillator part of UC3846 chip; VCC pin, VIN pin connect outside direct voltage source, GND pin ground connection; AOUT pin, BOUT pin all are connected to power frequency inverter 222 inputs.
In the practical application, power frequency inverter 52 is comprised of the 5th insulated gate bipolar transistor IGBT5, the 6th insulated gate bipolar transistor IGBT6, the 7th insulated gate bipolar transistor IGBT7, the 8th insulated gate bipolar transistor IGBT8, it is corresponding identical with the first insulated gate bipolar transistor IGBT1, the second insulated gate bipolar transistor IGBT2, the 3rd insulated gate bipolar transistor IGBT2, the 4th insulated gate bipolar transistor IGBT4 in the high-frequency inverter 22 that it forms structure, repeats no more herein.Here, power frequency inversion driver 221 first outputs are UC3846 chip AOUT pin, and power frequency inversion driver 221 second outputs are UC3846 chip BOUT pin.
Embodiment
Figure 15 is the composition structural representation of the described wireless power transmission systems of the embodiment of the invention.As shown in figure 15, in the present embodiment, the size of resistance R 1～R12 is 1k Ω, and the size of capacitor C 1～C11 is 0.01uF; 7 pressure stabilization functions of capacitor C; Capacitor C 8, capacitor C 9 play filtering voltage regulation effect 12V, and the voltage stabilizing value is 12V; The inductance value of the first inductance L 1 is 100mH, and the inductance value of the second inductance L 2 is 10mH.In the present embodiment, the first commutating voltage, the second commutating voltage are 311V.
In sum, above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a safe electric energy wireless transmission socket is characterized in that, described safe electric energy wireless transmission socket comprises the permanent circuit part that is installed on the metope and hand-holdable walking circuit part; Wherein,
The permanent circuit part, be used for 50Hz, the 220V alternating voltage of outside input are converted to the first commutating voltage, carry out successively at the high-frequency current that walking circuit is partly sent under the control of the control wave that square wave conversion, phase-locked loop are processed, the voltage adjustment obtains after processing, the first commutating voltage is carried out high-frequency inversion, and be that the high-frequency ac voltage of 100kHz～500kHz is passed to the walking circuit part in loss-free electromagnetic energy mode with the frequency that obtains;
The walking circuit part is used for the high-frequency ac voltage that the permanent circuit that receives with resonance manner partly sends is carried out the power frequency ac voltage that obtains being sent to external loading after rectifying and voltage-stabilizing, power frequency inversion process; And gather the high-frequency current that obtains according to high-frequency ac voltage, and this high-frequency current is sent to the permanent circuit part with wireless mode.
2. safe electric energy wireless transmission socket according to claim 1 is characterized in that, described permanent circuit partly comprises rectification filtering module, high-frequency inversion module, the first inductance, control module; Wherein,
Rectification filtering module is used for 50Hz, the 220V alternating voltage of outside input are converted to the first commutating voltage, and to after the first commutating voltage filtering, the filter rectification voltage that obtains is sent to the high-frequency inversion module;
The high-frequency inversion module is used for the control wave according to the control module transmission, and the filter rectification voltage transformation that rectification filtering module is sent is that frequency is the high-frequency ac voltage of 100kHz～500kHz, and high-frequency ac voltage is sent to the first inductance;
The first inductance is used for the high-frequency ac voltage that the high-frequency inversion module sends is passed to described walking circuit part in loss-free electromagnetic energy mode;
Control module, be used for receiving the high-frequency current that described walking circuit partly sends with wireless mode, this high-frequency current is carried out the square wave conversion, and that obtain and the square wave current high-frequency current same frequency carried out carrying out the voltage adjustment after phase-locked loop is processed, the control wave that obtains is sent to the high-frequency inversion module.
3. safe electric energy wireless transmission socket according to claim 1 is characterized in that, described walking circuit partly comprises the second inductance, rectifying and voltage-stabilizing module, power frequency inversion module, signal acquisition module, wireless transmitting terminals; Wherein,
The second inductance, the high-frequency ac voltage that is used for sending with the described permanent circuit part 1 that resonance manner receives is sent to the rectifying and voltage-stabilizing module;
The rectifying and voltage-stabilizing module is used for the high-frequency ac voltage that the second inductance sends is converted to the second commutating voltage, and to after the second commutating voltage voltage stabilizing, the voltage stabilizing commutating voltage that obtains is sent to the power frequency inversion module;
The power frequency inversion module after being used for the voltage stabilizing commutating voltage that the rectifying and voltage-stabilizing module sends is converted to power frequency ac voltage, is sent to external loading with power frequency ac voltage;
Signal acquisition module is used for gathering the high-frequency current that the second inductance is exported, and high-frequency current is sent to wireless transmitting terminals;
Wireless transmitting terminals is used for the high-frequency current that signal acquisition module sends is sent to described permanent circuit part with wireless mode.
4. safe electric energy wireless transmission socket according to claim 2 is characterized in that, described high-frequency inversion module comprises high-frequency inversion driver, high-frequency inverter; Wherein,
The high-frequency inversion driver is used under the control of the control wave that described control module sends, and provides first to drive signal to high-frequency inverter;
High-frequency inverter, be used under the effect of the first driving signal that the high-frequency inversion driver sends, the filter rectification voltage transformation that described rectification filtering module is sent is after frequency is the high-frequency ac voltage of 100kHz～500kHz, and high-frequency ac voltage is sent to described the first inductance.
5. safe electric energy wireless transmission socket according to claim 4, it is characterized in that, described high-frequency inverter comprises the first insulated gate bipolar transistor, the second insulated gate bipolar transistor, the 3rd insulated gate bipolar transistor, the 4th insulated gate bipolar transistor; Wherein, the drain electrode of the first insulated gate bipolar transistor connects the second insulated gate bipolar transistor source electrode, and the drain electrode of the 3rd insulated gate bipolar crystal connects the 4th insulated gate bipolar transistor source electrode; The first insulated gate bipolar transistor source electrode is connected with the 3rd insulated gate bipolar transistor source electrode, and the drain electrode of the second insulated gate bipolar transistor is connected with the drain electrode of the 4th insulated gate bipolar transistor; The first insulated gate bipolar transistor source electrode, the drain electrode of the second insulated gate bipolar transistor are connected to described rectification filtering module output, and the drain electrode of the first insulated gate bipolar transistor, the drain electrode of the 3rd insulated gate bipolar transistor are connected to described the first inductance; Be connected to again described high-frequency inversion driver the first output after the first insulated gate bipolar transistor gate pole and the 4th insulated gate bipolar transistor gate pole link together, the second insulated gate bipolar transistor gate pole is connected to again described high-frequency inversion driver the second output after the 3rd insulated gate bipolar transistor gate pole is connected to.
6. safe electric energy wireless transmission socket according to claim 3 is characterized in that, described power frequency inversion module comprises power frequency inversion driver, power frequency inverter; Wherein,
Power frequency inversion driver is used for the second driving signal that described power frequency inversion driver self produces is sent to the power frequency inverter;
The power frequency inverter is used for second driving under the control of signal that power frequency inversion driver sends, after the voltage stabilizing commutating voltage that described rectifying and voltage-stabilizing module is sent is converted to power frequency ac voltage, power frequency ac voltage is sent to external loading.
7. safe electric energy wireless transmission socket according to claim 2 is characterized in that, described control module comprises wireless interface receiving end, square wave treatment circuit, phase-locked loop, voltage-regulating circuit; Wherein,
The wireless interface receiving end is used for receiving the high-frequency current that described walking circuit partly sends with wireless mode, and high-frequency current is forwarded to the square wave treatment circuit;
The square wave treatment circuit is used for the high-frequency current that the wireless interface receiving end sends is converted into square wave current, and square wave current is sent to phase-locked loop;
Phase-locked loop is used for the square wave current that the square wave treatment circuit sends is carried out the phase bit comparison with described phase-locked loop output current: when the square wave current phase place lags behind described phase-locked loop output current phase place, send high level to voltage-regulating circuit; When the square wave current phase place is ahead of described phase-locked loop output current phase place, send low level to voltage-regulating circuit; When the square wave current phase place equals described phase-locked loop output current phase place, send zero level to voltage-regulating circuit;
Voltage-regulating circuit, be used for to high level, low level and zero level that phase-locked loop sends carry out power amplification and be converted to level for-5V～+ the adjustment pulse signal of 5V; Exchange the whole pulse signal and carry out bias treatment, the bias pulse signal of 0V～10V of obtaining is carried out after clamper processes controlled pulse signal; Control wave is sent to described high-frequency inversion driver.
8. safe electric energy wireless transmission socket according to claim 7 is characterized in that, described square wave treatment circuit comprises the first amplifier, the 4th resistance, the 5th resistance, the 6th resistance, the 8th electric capacity, the 9th electric capacity; Wherein, the 4th resistance one end is connected in series with the 5th resistance one end, the 4th resistance other end connection+15V direct voltage, the 5th resistance other end ground connection; The 5th resistance one end is connected to the first amplifier inverting input by the 6th resistance; The first amplifier normal phase input end is connected to described wireless interface receiving end; The first amplifier balance end directly is connected with balance/gating end, positive power source terminal connection+12V direct voltage; Negative power end connects-the 12V direct voltage on the one hand, on the other hand by the 8th capacity earth; Earth terminal ground connection, output are connected to described phase-locked loop input.
9. safe electric energy wireless transmission socket according to claim 7 is characterized in that, described phase-locked loop comprises MC74HC4046AD chip, the 7th resistance to the 11 resistance, the tenth electric capacity, the 11 electric capacity; Wherein, MC74HC4046AD chip the first timing resistor leading-in end is by the 8th grounding through resistance, the second timing resistor leading-in end is by the 7th grounding through resistance, earth terminal ground connection, be connected the tenth electric capacity between internal voltage controlled oscillator the first timing capacitor link and internal voltage controlled oscillator the second timing capacitor link, work positive supply link connection+15V direct voltage source, voltage controlled oscillator blocks end ground connection, comparator input terminal connects the voltage controlled oscillator output, and the demodulator output is by the 9th grounding through resistance; The tenth resistance one end is connected to the 11 resistance one end on the one hand, is connected on the other hand the voltage controlled oscillator input; The tenth resistance other end connects phase comparator II output, and the 11 resistance other end is by the 11 capacity earth; Signal input part connects described square wave treatment circuit output, and phase comparator II output also connects described voltage-regulating circuit input.
10. safe electric energy wireless transmission socket according to claim 7, it is characterized in that, described voltage-regulating circuit comprises NPN type triode, positive-negative-positive triode, the 9th diode to the 12 diodes, the 12 resistance to the 15 resistance, the 12 electric capacity to the 13 electric capacity, the second amplifier; Wherein, NPN type triode, positive-negative-positive triode the 9th diode, the tenth diode, the 14 resistance form push-pull circuit, and the 9th diode cathode connects the tenth diode anode; The 9th diode anode is connected to NPN type transistor base on the one hand, is connected to+the 5V direct voltage source by the 14 resistance on the other hand; The tenth diode cathode is connected to the positive-negative-positive transistor base; NPN type transistor emitter is connected to the positive-negative-positive transistor emitter on the one hand, is connected to the second amplifier normal phase input end by the 15 resistance on the other hand; The second amplifier normal phase input end also connects+the 5V voltage source, the second amplifier reverse inter-input-ing ending grounding; The 16 resistance is with after the 13 Capacitance parallel connection is connected, and the 16 resistance one end connects the second amplifier out, and the 16 resistance other end connects the second amplifier inverting input; The 11 diode, the 12 diode form clamp circuit, the 11 diode anode connects the 12 diode cathode on the one hand, the 11 diode anode is connected to described high-frequency inversion driver input end on the other hand, the 11 diode cathode is connected to+the 10V voltage source, the 12 diode anode ground connection; The 12 resistance one end is connected to the 13 resistance one end, and the 13 resistance other end is by the 12 capacity earth, and the 12 resistance other end connects described phase-locked loop the first output, and the 13 resistance one end also is connected to described phase-locked loop the second output.
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| CN201210390542.5A CN102916497B (en) | 2012-09-29 | 2012-09-29 | Safety socket for wireless electric energy transmission |
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| CN201210390542.5A CN102916497B (en) | 2012-09-29 | 2012-09-29 | Safety socket for wireless electric energy transmission |
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| CN102916497B CN102916497B (en) | 2015-01-28 |
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| CN102916497B (en) | 2015-01-28 |
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