CN102916497B - Safety socket for wireless electric energy transmission - Google Patents
Safety socket for wireless electric energy transmission Download PDFInfo
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- CN102916497B CN102916497B CN201210390542.5A CN201210390542A CN102916497B CN 102916497 B CN102916497 B CN 102916497B CN 201210390542 A CN201210390542 A CN 201210390542A CN 102916497 B CN102916497 B CN 102916497B
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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 is all be connected with outside electrical equipment by jack, and is outside electrical equipment electric energy transmitting.Because socket switches on power, therefore in socket, electrode is charged.People, in careless situation, by the impact of the various factorss such as electric leakage, humidity, may cause getting an electric shock.Even, in life staying idle at home, finger may be stretched into jack and get an electric shock by children under drive by curiosity.
Fig. 1 is a kind of described in prior art composition structural representation of high-power wireless power transmission system.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 rectifying and wave-filtering process, this DC inverter is high-frequency alternating current by high-frequency inverter circuit, and utilizes the electromagentic resonance carry high frequency alternating current between coil; To after the high-frequency alternating current of transmission carries out rectifying and voltage-stabilizing, output current and output voltage adaptation successively, be loaded on load.But the accuracy of external interference, equipment can cause control precision poor, even can cause cannot producing resonance between energy storage transmitting coil and energy storage receiving coil, and transmission of electricity energy loss is larger.
As can be seen here, in the prior art, the safety in utilization of socket is poor, and the control precision of electric energy wireless transmission is poor and transmission of electricity energy loss is larger.
Summary of the invention
In view of this, main purpose of the present invention is the higher safe electric energy wireless transmission socket less with energy loss of a kind of control precision safe to use, electric energy wireless transmission.
In order to achieve the above object, the technical scheme that the present invention proposes is:
A kind of safe electric energy wireless transmission socket, comprises and is installed on permanent circuit part on metope and hand-holdable walking circuit part; Permanent circuit part comprises rectification filtering module, high-frequency inversion module, the first inductance, control module; Control module comprises wireless interface receiving end, square wave treatment circuit, phase-locked loop, voltage-regulating circuit; Wherein,
Rectification filtering module, is converted to the first commutating voltage for 50Hz, 220V alternating voltage inputted outside, and to after the first commutating voltage filtering, the filter rectification voltage obtained is sent to high-frequency inversion module.
High-frequency inversion module, for the control wave sent according to voltage-regulating circuit, the high-frequency ac voltage of the filter rectification voltage transformation that rectification filtering module is sent to be frequency be 100kHz ~ 500kHz, and high-frequency ac voltage is sent to the first inductance.
First inductance, is passed to described walking circuit part for high-frequency ac voltage high-frequency inversion module sent in loss-free electromagnetic energy mode.
Wireless interface receiving end, for wirelessly receiving the high-frequency current that walking circuit part sends, and is forwarded to square wave treatment circuit by high-frequency current.
Square wave treatment circuit, is converted into square wave current for high-frequency current wireless interface receiving end sent, and square wave current is sent to phase-locked loop.
Phase-locked loop, carries out phase compare for the square wave current that sends square wave treatment circuit and described phase-locked loop output current: when square wave current phase place lags behind described phase-locked loop output current phase place, sends high level to voltage-regulating circuit; When square wave current phase place is ahead of described phase-locked loop output current phase place, send low level to voltage-regulating circuit; When square wave current phase place equals described phase-locked loop output current phase place, send zero level to voltage-regulating circuit.
Voltage-regulating circuit, high level, low level and zero level for sending phase-locked loop are carried out power amplification and are converted to the adjustment pulse signal that level is-5V ~+5V; Exchange whole pulse signal and carry out bias treatment, after the bias pulse signal of the 0V ~ 10V obtained is carried out clamper process, obtain control wave; Control wave is sent to high-frequency inversion module.
Walking circuit part, after the high-frequency ac voltage for sending the first inductance received with resonance manner carries out rectifying and voltage-stabilizing, power frequency inversion process, is sent to external loading by the power frequency ac voltage obtained; And gather the high-frequency current obtained according to high-frequency ac voltage, and this high-frequency current is wirelessly sent to wireless interface receiving end.
In sum, in safe electric energy wireless transmission socket of the present invention, permanent circuit part will after rectifying and wave-filtering to 50Hz, 220V alternating voltage that outside inputs, under the control of control wave, be the high-frequency ac voltage of 100kHz ~ 500kHz by high-frequency inversion module converts, and the frequency of high-frequency ac voltage is locked; Power frequency ac voltage is delivered to external loading after carrying out rectifying and voltage-stabilizing, power frequency inversion process to the high-frequency ac voltage received in loss-free electromagnetic energy mode by walking circuit part.In the present invention, because the frequency of high-frequency ac voltage is by accurate lock, therefore high-frequency ac voltage is determined to transfer to walking circuit part with loss-free electromagnetic mode; 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, avoiding problems the generation of electric shock accidents.
Accompanying drawing explanation
Fig. 1 is a kind of described in prior art composition structural representation of high-power wireless power transmission system.
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 inverter drive of the present invention.
Figure 15 is the composition structural representation of electric energy wireless transmission socket safe described in the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, 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 and is installed on permanent circuit part on metope 1 and hand-holdable walking circuit part 2; Wherein,
Permanent circuit part 1,50Hz, 220V alternating voltage for being inputted outside is converted to the first commutating voltage, under the control of the control wave obtained after the high-frequency current sent walking circuit part 2 carries out square wave conversion, phase-locked loop process, Voltage Cortrol process successively, high-frequency inversion is carried out to the first commutating voltage, and is that the high-frequency ac voltage of 100kHz ~ 500kHz is passed to walking circuit part 2 in loss-free electromagnetic energy mode by the frequency obtained.
Here, high-frequency ac voltage is transmitted in loss-free electromagnetic energy mode and is realized by circuit resonance.
Walking circuit part 2, after the high-frequency ac voltage for sending the permanent circuit part 1 received with resonance manner carries out rectifying and voltage-stabilizing, power frequency inversion process, is sent to external loading by the power frequency ac voltage obtained; And gather the high-frequency current obtained according to high-frequency ac voltage, and this high-frequency current is wirelessly sent to permanent circuit part 1.
In a word, when using safe electric energy wireless transmission socket of the present invention, removable circuit part is covered permanent circuit part by the draw-in groove be arranged on metope: permanent circuit part will after rectifying and wave-filtering to 50Hz, 220V alternating voltage that outside inputs, under the control of control wave, be the high-frequency ac voltage of 100kHz ~ 500kHz by high-frequency inversion module converts, and the frequency of high-frequency ac voltage is locked; Power frequency ac voltage is delivered to external loading after carrying out rectifying and voltage-stabilizing, power frequency inversion process to the high-frequency ac voltage received in loss-free electromagnetic energy mode by walking circuit part.In safe electric energy wireless transmission socket of the present invention, because the frequency of high-frequency ac voltage is by accurate lock, therefore high-frequency ac voltage is determined to transfer to walking circuit part with loss-free electromagnetic mode.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, avoiding problems the generation of electric shock accidents.
In 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, first inductance L 1, control module 13; Wherein,
Rectification filtering module 11, is converted to the first commutating voltage for 50Hz, 220V alternating voltage inputted outside, and to after the first commutating voltage filtering, the filter rectification voltage obtained is sent to high-frequency inversion module 12.
High-frequency inversion module 12, for the control wave sent according to control module 13, the high-frequency ac voltage of the filter rectification voltage transformation that rectification filtering module 11 is sent to be frequency be 100kHz ~ 500kHz, and high-frequency ac voltage is sent to the first inductance L 1.
First inductance L 1, is passed to walking circuit part 2 for high-frequency ac voltage high-frequency inversion module 12 sent in loss-free electromagnetic energy mode.
Control module 13, for wirelessly receiving the high-frequency current that walking circuit part 2 sends, square wave conversion is carried out to this high-frequency current, and to obtain and the square wave current of high-frequency current same frequency carry out phase-locked loop process after carry out Voltage Cortrol, the control wave obtained is sent to high-frequency inversion module 12.
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,
Second inductance L 2, is sent to rectifying and voltage-stabilizing module 21 for the high-frequency ac voltage permanent circuit received with resonance manner part 1 sent.
Rectifying and voltage-stabilizing module 21, is converted to the second commutating voltage for the high-frequency ac voltage the second inductance L 2 sent, and to after the second commutating voltage voltage stabilizing, the voltage stabilizing commutating voltage obtained is sent to power frequency inversion module 22.
Power frequency inversion module 22, after the voltage stabilizing commutating voltage for rectifying and voltage-stabilizing module 21 being sent is converted to power frequency ac voltage, is sent to external loading by power frequency ac voltage.
Signal acquisition module 23, for gathering the high-frequency current that the second inductance L 2 exports, and is sent to wireless transmitting terminals 24 by high-frequency current.
In the present invention, signal acquisition module 23 is Hall current sensor, for gathering the high-frequency current of the second inductance L 2 place port.
Wireless transmitting terminals 24, is wirelessly sent to permanent circuit part 1 for high-frequency current signal acquisition module 23 sent.
In practical application, when removable circuit part covers permanent circuit part, between the first inductance L 1 and the second inductance L 2, form electromagnetic coupled.When the second inductance L 2 place circuit loop generation resonance, the second transducer L2 receives the high-frequency ac voltage of the first inductance L 1 transmission with lossless way.
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 realized by electric capacity C1, and electric capacity C1 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, under the control of control wave that sends in control module 13, provides the first drive singal to high-frequency inverter 122.
High-frequency inverter 122, for under the effect of the first drive singal that sends at high-frequency inversion driver 121, the filter rectification voltage transformation sent by rectification filtering module 11 is frequency is after the high-frequency ac voltage of 100kHz ~ 500kHz, 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 output; RT pin is by resistance R1 ground connection, and CT pin is by electric capacity C1 ground connection, and resistance R1, electric capacity C1 constitute the crystal oscillator part of UC3846 chip; VCC pin, VIN pin connect external dc voltage source, GND pin ground connection; AOUT pin, BOUT pin are all connected to high-frequency inverter 22 input.
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 (IGB T, 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, first insulated gate bipolar transistor IGBT1 drain electrode connection second insulated gate bipolar transistor IGBT2 source electrode, 3rd insulated gate bipolar transistor IGBT3 drain electrode connection the 4th insulated gate bipolar transistor IGBT4 source electrode, 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, first insulated gate bipolar transistor IGBT1 source electrode, second insulated gate bipolar transistor IGBT2 drain electrode is connected to rectification filtering module 1 output, first insulated gate bipolar transistor IGBT1 drains, 3rd insulated gate bipolar transistor IGBT3 drain electrode is connected to resonance module 3 input, be connected to again high-frequency inversion driver 121 first output after first insulated gate bipolar transistor IGBT1 gate pole and the 4th insulated gate bipolar transistor IGBT4 gate pole link together, after together with the second insulated gate bipolar transistor IGBT2 gate pole is connected to the 3rd insulated gate bipolar transistor IGBT3 gate pole, be connected to again high-frequency inversion driver 21 second output.
In 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 NPN type.In 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 output is UC3846 chip AOUT pin, and high-frequency inversion driver 121 second output is 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, for wirelessly receiving the high-frequency current that walking circuit part 2 sends, and is forwarded to square wave treatment circuit 131 by high-frequency current.
Square wave treatment circuit 131, is converted into square wave current for high-frequency current wireless interface receiving end 134 sent, and square wave current is sent to phase-locked loop 132.
Phase-locked loop 132, carries out phase compare for the square wave current that sends square wave treatment circuit 131 and described phase-locked loop 132 output current: when square wave current phase place lags behind described phase-locked loop 132 output current phase place, sends high level to voltage-regulating circuit; When 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 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, high level, low level and zero level for sending phase-locked loop 132 are carried out power amplification and are converted to the adjustment pulse signal that level is-5V ~+5V; Exchange whole pulse signal and carry out bias treatment, after the bias pulse signal of the 0V ~ 10V obtained is carried out clamper process, obtain control wave; 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 R4, the 5th resistance R5, the 6th resistance R6, the 8th electric capacity C8, the 9th electric capacity C9; Wherein, the 4th resistance R4 one end is connected in series with the 5th resistance R5 one end, and the 4th resistance R4 other end connects+15V direct voltage, the 5th resistance R5 other end ground connection; 5th resistance R5 one end is connected to the first amplifier inverting input (the 2nd pin) by the 6th resistance R6; Amplifier normal phase input end (the 3rd pin) is connected to wireless interface receiving end 134; First amplifier balance end (the 5th pin) is directly connected with balance/gating end (the 6th pin), and positive power source terminal (the 8th pin) connects+12V direct voltage; Negative power end (the 4th pin) is connected to a 12V direct voltage on the one hand, on the other hand by the 8th electric capacity C8 ground connection; Earth terminal (the 1st pin) ground connection, output (the 7th pin) is connected to phase-locked loop 132 input.
In the present invention, the first amplifier adopts 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 R7 ~ R11, the tenth electric capacity to the 11 electric capacity C10 ~ C11, wherein, MC74HC4046AD chip first timing resistor leading-in end (R1 pin) is by resistance R8 ground connection, second timing resistor leading-in end (R2 pin) is by resistance R7 ground connection, earth terminal (GND pin) ground connection, the tenth electric capacity C10 is connected between internal voltage controlled oscillator first timing capacitor link (CIA pin) with internal voltage controlled oscillator second timing capacitor link (CIB pin), work positive supply link (VDD pin) connects+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), demodulator output (DEMOUT pin) is by the 9th resistance R9 ground connection, tenth resistance R10 one end is connected to the 11 resistance R11 one end on the one hand, is connected to voltage controlled oscillator input (VCOIN pin) on the other hand, the tenth resistance R10 other end connects phase comparator II output (PC2OUT pin), and the 11 resistance R11 other end is by the 11 electric capacity C11 ground connection, signal input part (SIGIN pin) connects square wave treatment circuit 131 output, and phase comparator II output (PC2OUT pin) also connects voltage-regulating circuit 133 input.
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, PNP type triode T2, the 9th diode to the 12 diode D9 ~ D12, the 12 resistance to the 15 resistance R12 ~ R15, the 12 electric capacity to the 13 electric capacity C12 ~ C13, the second amplifier; Wherein, NPN type triode, PNP type triode, the 9th diode D9 ~, the tenth diode D10, the 14 resistance R14 form push-pull circuit, the 9th diode D9 negative electrode connects the tenth diode D10 anode; 9th diode D9 anode is connected to NPN type triode T1 base stage on the one hand, is connected to+5V direct voltage source on the other hand by the 14 resistance R14; Tenth diode D10 negative electrode is connected to PNP type triode base stage; NPN type triode T1 emitter is connected to PNP type triode T2 emitter on the one hand, is connected to the second amplifying circuit normal phase input end on the other hand by the 15 resistance R15; Second amplifying circuit normal phase input end also connects+5V voltage source, the second amplifying circuit reverse inter-input-ing ending grounding; After 16 resistance R16 and the 13 electric capacity C13 is connected in parallel, the 16 resistance R16 one end connects the second amplifier out, and the 16 resistance R16 other end connects the second amplifier inverting input; 11 diode D11, the 12 diode D12 form clamp circuit, 11 diode D11 anode connects the 12 diode D12 negative electrode on the one hand, 11 diode D11 anode is connected to high-frequency inversion driver 21 input on the other hand, 11 diode D11 negative electrode is connected to+10V voltage source, the 12 diode D12 plus earth; 12 resistance R12 one end is connected to the 13 resistance R13 one end, the 13 resistance R13 other end is by the 12 electric capacity C12 ground connection, the 12 resistance R12 other end connects described phase-locked loop 82 first output, and the 13 resistance R13 one end is also connected to described phase-locked loop 82 second output.
In practical application, the adjustment pulse signal of-5V ~+5V that push-pull circuit exports is added with the voltage that+5V voltage source exports, and obtains the bias pulse signal of 0V ~ 10V; It is the control wave of 0V ~ 10V by 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 inverter drive 221, power frequency inverter 222; Wherein,
Power frequency inverter drive 221, is sent to power frequency inverter 222 for the second drive singal produced by described power frequency inverter drive self.
Power frequency inverter 222, under the control of the second drive singal that sends at power frequency inverter drive 221, after voltage stabilizing commutating voltage rectifying and voltage-stabilizing module 21 sent is converted to power frequency ac voltage, is sent to external loading by power frequency ac voltage.
Figure 14 is the circuit diagram of power frequency inverter drive of the present invention.As shown in figure 14, the RT pin of UC3846 chip is by resistance R2 ground connection, and CT pin is by electric capacity C5 ground connection, and resistance R2, electric capacity C5 constitute the crystal oscillator part of UC3846 chip; VCC pin, VIN pin connect external dc voltage source, GND pin ground connection; AOUT pin, BOUT pin are all connected to power frequency inverter 222 input.
In practical application, power frequency inverter 52 is made up 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, its composition structure and the first insulated gate bipolar transistor IGBT1 in high-frequency inverter 22, the second insulated gate bipolar transistor IGBT2, the 3rd insulated gate bipolar transistor IGBT2, the 4th insulated gate bipolar transistor IGBT4 are corresponding identical, repeat no more herein.Here, power frequency inverter drive 221 first output is UC3846 chip AOUT pin, and power frequency inverter drive 221 second output is UC3846 chip BOUT pin.
Embodiment
The composition structural representation that Figure 15 is wireless power transmission systems described in the embodiment of the present invention.As shown in figure 15, in the present embodiment, the size of resistance R1 ~ R12 is 1k Ω, and the size of electric capacity C1 ~ C11 is 0.01uF; Electric capacity C7 plays pressure stabilization function; Electric capacity C8, electric capacity C9 play filtering voltage regulation effect 12V, and 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, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a safe electric energy wireless transmission socket, is characterized in that, described safe electric energy wireless transmission socket comprises and is installed on permanent circuit part on metope and hand-holdable walking circuit part; Permanent circuit part comprises rectification filtering module, high-frequency inversion module, the first inductance, control module; Control module comprises wireless interface receiving end, square wave treatment circuit, phase-locked loop, voltage-regulating circuit; Wherein,
Rectification filtering module, is converted to the first commutating voltage for 50Hz, 220V alternating voltage inputted outside, and to after the first commutating voltage filtering, the filter rectification voltage obtained is sent to high-frequency inversion module;
High-frequency inversion module, for the control wave sent according to voltage-regulating circuit, the high-frequency ac voltage of the filter rectification voltage transformation that rectification filtering module is sent to be frequency be 100kHz ~ 500kHz, and high-frequency ac voltage is sent to the first inductance;
First inductance, is passed to described walking circuit part for high-frequency ac voltage high-frequency inversion module sent in loss-free electromagnetic energy mode;
Wireless interface receiving end, for wirelessly receiving the high-frequency current that walking circuit part sends, and is forwarded to square wave treatment circuit by high-frequency current;
Square wave treatment circuit, is converted into square wave current for high-frequency current wireless interface receiving end sent, and square wave current is sent to phase-locked loop;
Phase-locked loop, carries out phase compare for the square wave current that sends square wave treatment circuit and described phase-locked loop output current: when square wave current phase place lags behind described phase-locked loop output current phase place, sends high level to voltage-regulating circuit; When square wave current phase place is ahead of described phase-locked loop output current phase place, send low level to voltage-regulating circuit; When square wave current phase place equals described phase-locked loop output current phase place, send zero level to voltage-regulating circuit;
Voltage-regulating circuit, high level, low level and zero level for sending phase-locked loop are carried out power amplification and are converted to the adjustment pulse signal that level is-5V ~+5V; Exchange whole pulse signal and carry out bias treatment, after the bias pulse signal of the 0V ~ 10V obtained is carried out clamper process, obtain control wave; Control wave is sent to high-frequency inversion module;
Walking circuit part, after the high-frequency ac voltage for sending the first inductance received with resonance manner carries out rectifying and voltage-stabilizing, power frequency inversion process, is sent to external loading by the power frequency ac voltage obtained; And gather the high-frequency current obtained according to high-frequency ac voltage, and this high-frequency current is wirelessly sent to wireless interface receiving end.
2. safe electric energy wireless transmission socket according to claim 1, is characterized in that, described walking circuit part comprises the second inductance, rectifying and voltage-stabilizing module, power frequency inversion module, signal acquisition module, wireless transmitting terminals; Wherein,
Second inductance, is sent to rectifying and voltage-stabilizing module for the high-frequency ac voltage sent by described first inductance received with resonance manner;
Rectifying and voltage-stabilizing module, is converted to the second commutating voltage for the high-frequency ac voltage sent by the second inductance, and to after the second commutating voltage voltage stabilizing, the voltage stabilizing commutating voltage obtained is sent to power frequency inversion module;
Power frequency inversion module, after the voltage stabilizing commutating voltage for rectifying and voltage-stabilizing module being sent is converted to power frequency ac voltage, is sent to external loading by power frequency ac voltage;
Signal acquisition module, for gathering the high-frequency current that the second inductance exports, and is sent to wireless transmitting terminals by high-frequency current;
Wireless transmitting terminals, the high-frequency current for signal acquisition module being sent wirelessly is sent to described wireless interface receiving end.
3. safe electric energy wireless transmission socket according to claim 1, is characterized in that, described high-frequency inversion module comprises high-frequency inversion driver, high-frequency inverter; Wherein,
High-frequency inversion driver, under the control of control wave that sends at described voltage-regulating circuit, provides the first drive singal to high-frequency inverter;
High-frequency inverter, for under the effect of the first drive singal that sends at high-frequency inversion driver, the filter rectification voltage transformation sent by described rectification filtering module is frequency is after the high-frequency ac voltage of 100kHz ~ 500kHz, high-frequency ac voltage is sent to described first inductance.
4. safe electric energy wireless transmission socket according to claim 3, 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 first insulated gate bipolar transistor drain electrode connection second insulated gate bipolar transistor source electrode, the drain electrode of the 3rd insulated gate bipolar crystal connects the 4th insulated gate bipolar transistor source electrode; First insulated gate bipolar transistor source electrode is connected with the 3rd insulated gate bipolar transistor source electrode, and the second insulated gate bipolar transistor drain electrode drains with the 4th insulated gate bipolar transistor and is connected; First insulated gate bipolar transistor source electrode, the second insulated gate bipolar transistor drain electrode are connected to described rectification filtering module output, and the first insulated gate bipolar transistor drain electrode, the 3rd insulated gate bipolar transistor drain electrode are connected to described first inductance; Be connected to again described high-frequency inversion driver first output after first insulated gate bipolar transistor gate pole and the 4th insulated gate bipolar transistor gate pole link together, after together with the second insulated gate bipolar transistor gate pole is connected to the 3rd insulated gate bipolar transistor gate pole, be connected to again described high-frequency inversion driver second output.
5. safe electric energy wireless transmission socket according to claim 2, is characterized in that, described power frequency inversion module comprises power frequency inverter drive, power frequency inverter; Wherein,
Power frequency inverter drive, is sent to power frequency inverter for the second drive singal produced by described power frequency inverter drive self;
Power frequency inverter, under the control of the second drive singal that sends at power frequency inverter drive, after the voltage stabilizing commutating voltage that described rectifying and voltage-stabilizing module sends is converted to power frequency ac voltage, is sent to external loading by power frequency ac voltage.
6. safe electric energy wireless transmission socket according to claim 1, 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, and the 4th resistance other end connects+15V direct voltage, the 5th resistance other end ground connection; 5th resistance one end is connected to the first amplifier inverting input by the 6th resistance; First amplifier normal phase input end is connected to described wireless interface receiving end; First amplifier balance end is directly connected with balance/gating end, and positive power source terminal connects+12V direct voltage; Negative power end connects-12V direct voltage on the one hand, on the other hand by the 8th capacity earth; Earth terminal ground connection, output is connected to described phase-locked loop input.
7. safe electric energy wireless transmission socket according to claim 1, 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 first timing resistor leading-in end is by the 8th grounding through resistance, second timing resistor leading-in end is by the 7th grounding through resistance, earth terminal ground connection, the tenth electric capacity is connected between internal voltage controlled oscillator first timing capacitor link with internal voltage controlled oscillator second timing capacitor link, work positive supply link connects+15V direct voltage source, voltage controlled oscillator blocks end ground connection, comparator input terminal connects voltage controlled oscillator output, and demodulator output is by the 9th grounding through resistance; Tenth resistance one end is connected to the 11 resistance one end on the one hand, is connected to voltage controlled oscillator input on the other hand; 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.
8. safe electric energy wireless transmission socket according to claim 3, it is characterized in that, described voltage-regulating circuit comprises NPN type triode, PNP type triode, the 9th diode to the 12 diode, the 12 resistance to the 15 resistance, the 12 electric capacity to the 13 electric capacity, the second amplifier; Wherein, NPN type triode, PNP type triode the 9th diode, the tenth diode, the 14 resistance composition push-pull circuit, the 9th diode cathode connects the tenth diode anode; 9th diode anode is connected to NPN type triode base stage on the one hand, is connected to+5V direct voltage source on the other hand by the 14 resistance; Tenth diode cathode is connected to PNP type triode base stage; NPN type triode emitter is connected to PNP type triode emitter on the one hand, is connected to the second amplifier normal phase input end on the other hand by the 15 resistance; Second amplifier normal phase input end also connects+5V voltage source, the second amplifier reverse inter-input-ing ending grounding; After 16 resistance is connected with the 13 Capacitance parallel connection, the 16 resistance one end connects the second amplifier out, and the 16 resistance other end connects the second amplifier inverting input; 11 diode, the 12 diode composition clamp circuit, 11 diode anode connects the 12 diode cathode on the one hand, 11 diode anode is connected to described high-frequency inversion driver input end on the other hand, 11 diode cathode is connected to+10V voltage source, the 12 diode anode ground connection; 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 first output, and the 13 resistance one end is also connected to described phase-locked loop second output.
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN102916497A CN102916497A (en) | 2013-02-06 |
| CN102916497B true CN102916497B (en) | 2015-01-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104124774B (en) * | 2013-04-28 | 2018-04-20 | 海尔集团技术研发中心 | Wireless power transmission method and system |
| CN103904784A (en) * | 2014-03-31 | 2014-07-02 | 南京信息工程大学 | Electric energy wireless wall-penetrating transmission device |
| CN105047388B (en) * | 2015-07-20 | 2017-07-28 | 河南理工大学 | A kind of induction type socket, plug-assembly |
| CN108736738A (en) * | 2018-07-20 | 2018-11-02 | 何龙 | A kind of safe potential device |
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