CN102868238B - Middle-and-high-power wireless power unit - Google Patents
Middle-and-high-power wireless power unit Download PDFInfo
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Abstract
The invention discloses a middle-and-high-power wireless power unit and aims to achieve the purposes of improving working efficiency, reducing size, facilitating production commissioning and lowering production cost. The middle-and-high-power wireless power unit comprises a power unit used for producing electromagnetic waves and a powered device used for receiving the electromagnetic waves and converting the electromagnetic waves into electric energy. The power unit comprises an automatic detection control unit, a low-power unit, a power amplification unit, a transmitting coil and an indicating unit. The powered device comprises a receiving coil and a power receiving unit, current of the power amplification unit passes through the transmitting coil to produce the electromagnetic waves, when the receiving coil is close to the transmitting coil, the receiving coil is wirelessly connected with the transmitting coil through an electromagnetic coupling way, and the receiving coil produces current and supplies power for electric equipment through the power receiving unit. Compared with the prior art, the wireless power unit has the advantages that since a disk-shaped coil serves as a power supplying and receiving coil, Q value is lowered, transmission of higher power is achieved, working efficiency of the middle-and-high-power wireless power unit is enhanced, the wireless power unit is suitable for mass production, and is low in production cost.
Description
Technical field
The present invention relates to high-power wireless electric supply installation in a kind of electric supply installation, particularly one.
Background technology
Current wireless power supply is commercially not large-scale to be produced and sells, and its main cause has: 1. the power Q value of output of device is too high, debugs more difficult; 2. can not solve when device volume is little, the problem of device heating; 3. the volume of coil is excessive, is not suitable for producing portable product; 4. efficiency is not high; 5. cost is high; For these reasons, cause wireless power supply cannot large-scale production and use in portable domain, and due to its efficiency low, cause power consumption large.
Summary of the invention
The object of this invention is to provide high-power wireless electric supply installation in one, the technical problem that solve is increased work efficiency, and reduces volume, facilitate scheduling and planning, reduces production cost.
For solving the problem, the present invention is by the following technical solutions: high-power wireless electric supply installation in one, comprise for generation of electromagnetic electric supply installation and for receive electromagnetic wave and be converted into electric energy current-collecting device composition, described electric supply installation is made up of Automatic Detection and Control unit, small-power unit, power amplification unit, transmitting coil and indicating member, and Automatic Detection and Control unit is connected with small-power unit, power amplification unit and indicating member; Small-power unit connects power amplification unit; Power amplification unit connects transmitting coil;
Described current-collecting device forms by receiving coil with by electric unit, receiving coil connects by electric unit, the electric current of power amplification unit is generated electromagnetic waves by transmitting coil, when receiving coil is near transmitting coil, receiving coil is by electromagnetic coupled mode and transmitting coil wireless connections, and receiving coil generation current is also by being that power consumption equipment is powered by electric unit.
Transmitting coil of the present invention and receiving coil are coiled into the annulus plate-like Structure composing of flat individual layer or bilayer respectively respectively by enamelled wire.
Wireless power distance≤the 10mm of transmitting coil of the present invention and receiving coil.
Electromagnetic frequency range of the present invention is 50K-500KHZ.
The positive source of the positive pole of the first electric capacity, the input of the first resistance, the positive source of the first operational amplifier, the 15 resistance, the second operational amplifier is connected respectively after the Vcc end input 24V voltage of Automatic Detection and Control unit of the present invention; The minus earth of the first electric capacity, 1 pin of the output termination three terminal regulator of the first resistance; 2 pin ground connection of three terminal regulator, 3 Jiao Fen five tunnels, the first via connects the positive pole of the first light-emitting diode through the second resistance, the minus earth of the first light-emitting diode; Second tunnel connects the emitter of the first triode; 3rd tunnel second capacity earth; 4th tunnel the 3rd capacity earth; 4 pin of base chip when 5th tunnel connects first.When first, 5 pin of base chip are through the 4th capacity earth, 6 pin connect respectively the negative pole of the second diode, one end of the first potentiometer, the travelling arm of the first potentiometer, the positive pole of the 5th electric capacity and first time base chip 2 pin; The minus earth of the 5th electric capacity.The other end of the first potentiometer through the 3rd diode connect the travelling arm of the second potentiometer, one end of the second potentiometer, one end of the 4th resistance and first time base chip 7 pin.The positive pole of another termination second diode of the second potentiometer, 8 pin of base chip and 4 pin when the other end of the 4th resistance connects first respectively; 1 pin ground connection of base chip when first; 3 pin divide two-way, and the first via is through the 5th grounding through resistance, and the second tunnel the 5th diode connects one end of the 6th resistance and connects the negative pole of the 6th diode; The collector electrode of the second triode connects the base stage of the first triode, the grounded emitter of the second triode through the 3rd resistance; The collector electrode of the first triode is through the 21 capacity earth; The positive pole of the 6th diode divides two-way, a road the 7th resistance, the 7th capacity earth, and another Lu Jing seven resistance, the 8th resistance and the 4th diode are connected the output of the first operational amplifier and one end of the 9th resistance respectively; The power cathode ground connection of the first operational amplifier, in-phase input end connects the other end of the 13 resistance and the 15 resistance respectively through the 14 resistance, the 7th diode; The other end ground connection of the 13 resistance; The other end that the reverse input end of the first operational amplifier connects the 9th resistance with connect one end of the 17 resistance, one end of the 29 resistance through the 16 resistance and be connected with the output of the second operational amplifier; The power cathode ground connection of the second operational amplifier, in-phase input end connects one end of the 30 resistance and one end of the 26 resistance respectively, the other end ground connection of the 30 resistance; The reverse input end of the second operational amplifier connects the other end of the 29 resistance and one end of the 27 resistance respectively, and the other end of the 27 resistance is through the 28 grounding through resistance; Vcc end is through the 16 capacity earth.
Small-power unit of the present invention second time base chip 4 Jiao Fen tri-tunnels, the first via connects collector electrode and the 21 electric capacity of the first triode of Automatic Detection and Control unit through the 11 resistance, second tunnel the 8th diode ground connection, 8 pin of base chip when the 3rd tunnel connects second; The collector electrode of the first triode is through the 22 capacity earth of small-power unit; When second, 2 pin of base chip are through the tenth capacity earth, and 2 pin connect one end and the travelling arm of the 3rd potentiometer; When second, 3 pin of base chip connect the other end of the 3rd potentiometer and one end of the 12 resistance respectively, the base stage of another termination the 3rd triode of the 12 resistance, collector electrode connects the collector electrode of the first triode of Automatic Detection and Control unit, and emitter is through the 18 grounding through resistance; When second, 5 pin of base chip are through the 9th capacity earth, and 6 pin divide two-way, and a road the tenth resistance connects 7 pin, another Lu Jing ten capacity earth, 1 pin ground connection of base chip when second.
One end of 19 resistance of power amplification unit of the present invention connects the collector electrode of the first triode of Automatic Detection and Control unit, the 19 resistance other end respectively through the 11 capacity earth, through the 21 grounding through resistance and the one end being connected the 20 resistance; The other end of the 20 resistance connects the emitter of the 3rd triode of small-power unit respectively, connects the base stage of the 4th triode through the 12 electric capacity; 4th triode send out grounded emitter, collector electrode connects one end of the first coil, one end of the 13 electric capacity and one end of the 14 electric capacity respectively; The other end of the first coil, the other end of the 13 electric capacity all connect the collector electrode of the first triode of Automatic Detection and Control unit; The other end of the 14 electric capacity connects one end of the 24 resistance and the grid of field effect transistor respectively; The other end of the 24 resistance divides three tunnels, the first via through the 15 capacity earth, the second tunnel the 22 grounding through resistance, the 3rd tunnel the 23 resistance connects the collector electrode of the first triode of Automatic Detection and Control unit; The source ground of field effect transistor, drain electrode point two-way, road the 17 electric capacity connects one end of the 18 electric capacity and one end of the 25 resistance respectively, and another road connects one end of transmitting coil, the other end of transmitting coil connects one end of the 18 electric capacity, the other end ground connection of the 18 electric capacity; The other end of the 25 resistance connects the other end and the Vcc end of the 26 resistance of Automatic Detection and Control unit respectively; The other end of the 27 resistance of described Automatic Detection and Control unit is through the 18 capacity earth.
The collector electrode of the 6th triode of indicating member of the present invention connects the Vcc pin of Automatic Detection and Control unit, the base stage of another termination the 6th triode of the 17 resistance of Automatic Detection and Control unit, emitter connects the negative pole of the 11 diode respectively through the 9th diode and connects the positive pole of the tenth light-emitting diode through the 31 resistance; The positive pole of the 11 diode connects the negative pole of the 13 diode and connects the positive pole of the 12 light-emitting diode through the 32 resistance; The positive pole of the 13 diode connects the negative pole of the 15 diode and connects the positive pole of the 14 light-emitting diode through the 33 resistance; The positive pole of the 15 diode connects the negative pole of the 17 diode and connects the positive pole of the 16 light-emitting diode through the 34 resistance; The positive pole of the 17 diode connects the negative pole of the 19 diode and connects the positive pole of the 18 light-emitting diode through the 35 resistance; The positive pole of the 19 diode connects the positive pole of the 20 light-emitting diode through the 36 resistance, the negative pole of the 20 light-emitting diode connects the negative pole of the 18 light-emitting diode, the 16 light-emitting diode, the 14 light-emitting diode, the 12 light-emitting diode and the tenth light-emitting diode.
2 pin of the rectifier bridge by electric unit of the present invention connect the positive pole of the 19 electric capacity through the 4th coil and connect DCOUT1 pin, and the negative pole of the 19 electric capacity connects DCOUT2 pin; 4 pin of rectifier bridge connect DCOUT2 pin; 1 pin connects one end of receiving coil and one end of the 20 electric capacity respectively; 3 pin of the other end of receiving coil and another termination rectifier bridge of the 20 electric capacity, this DCOUT1 pin is connected with power consumption equipment with DCOUT2 pin.
The external diameter of transmitting coil of the present invention and receiving coil is 40mm, and internal diameter is the single layer coil of 10mm, and described enamelled wire diameter is 0.6mm; Three terminal regulator adopts 7812 type circuit of three-terminal voltage-stabilizing integrated; First triode adopts 8550 type PNP transistors, the second triode, the 3rd triode adopts 8050 type NPN transistors; When first base chip and second time base chip adopt NE555 type 8 pin time-base integrated circuit; Second, third, the 4th, the 5th, the 6th, the 7th diode adopts 4148 type semiconductor diodes; 8th diode adopts 5.1V voltage stabilizing didoe, the 9th diode adopts 9.1V voltage stabilizing didoe; 11 diode, the 13 diode, the 15 diode, the 17 diode, the 19 diode adopt 2V voltage stabilizing didoe; 6th triode adopts NPN type triode; 4th triode adopts 13003 type triodes; Field effect transistor adopts the depletion type N-MOS field effect transistor of IRF640 type; First operational amplifier and the second operational amplifier adopt LM358 type dual operational amplifier.
The present invention compared with prior art, adopts the coil of dish type as electricity reception coil, and frequency range as energy transmission, can meet Electromagnetic Radiation Standards at the electromagnetic wave of 50-500KHz, falls low reactance-resistance ratio and obtains the transmission of relatively high power; Adopt Automatic Detection and Control unit can the power supply of automatic detection device and power-off time, improve the operating efficiency of device, can be applicable to large-scale production, production cost be low.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present invention.
Fig. 2 is circuit diagram of the present invention.
Fig. 3 is the structural representation for electricity reception coil of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in Figure 1, middle high-power wireless electric supply installation of the present invention by for generation of electromagnetic electric supply installation with for receiving electromagnetic wave and the current-collecting device being converted into electric energy forms, wherein:
Electric supply installation is made up of Automatic Detection and Control unit, small-power unit, power amplification unit, transmitting coil and indicating member, and Automatic Detection and Control unit is connected with small-power unit, power amplification unit; Automatic Detection and Control unit is also connected with indicating member, and small-power unit connects power amplification unit; Power amplification unit connects transmitting coil;
Current-collecting device forms by receiving coil with by electric unit, described transmitting coil and receiving coil are the annulus disk-like structures being coiled into flat individual layer or bilayer by two enamelled wires respectively, receiving coil connects by electric unit, the electric current of power amplification unit is generated electromagnetic waves by transmitting coil, when receiving coil is near transmitting coil, receiving coil is by electromagnetic coupled mode and transmitting coil wireless connections, and receiving coil generation current is also by being that power consumption equipment is powered by electric unit.
Described power consumption equipment is the electrical equipment of electricity consumption of the prior art, such as the conventional equipment such as mobile phone, hot-water bottle.
Described transmitting coil is concentric with receiving coil and when being in parallel, receiving coil generation current.
Wireless power distance≤the 10mm of described transmitting coil and receiving coil.
As shown in Figure 2, the positive source of the positive pole of the first electric capacity C1, the input of the first resistance R1, the positive source of the first operational amplifier U4, the 15 resistance R15, the second operational amplifier U5 is connected after the Vcc end input 24V voltage of described Automatic Detection and Control unit respectively; The minus earth of the first electric capacity C1,1 pin (Vin) of the output termination three terminal regulator U1 of the first resistance R1; The 2 pin ground connection (GND) of three terminal regulator U1,3 pin (Vout) Fen Wulu, the first via connects the positive pole of the first light-emitting diode D1 through the second resistance R2, the minus earth of the first light-emitting diode D1; Second tunnel connects the emitter of the first triode Q1; 3rd tunnel second electric capacity C2 ground connection; 4th tunnel the 3rd electric capacity C3 ground connection; 4 pin of base chip U2 when 5th tunnel connects first.When first, 5 pin of base chip U2 are through the 4th capacity earth, 6 pin connect respectively the negative pole of the second diode D2, one end of the first potentiometer VR1, the travelling arm of the first potentiometer VR1, the positive pole of the 5th electric capacity C5 and first time base chip U2 2 pin; The minus earth of the 5th electric capacity C5.The other end of the first potentiometer VR1 through the 3rd diode D3 connect the travelling arm of the second potentiometer VR2, one end of the second potentiometer VR2, one end of the 4th resistance R4 and first time base chip U2 7 pin.The positive pole of another termination second diode D2 of the second potentiometer VR2,8 pin of base chip U2 and 4 pin when the other end of the 4th resistance R4 connects first respectively; The 1 pin ground connection of base chip U2 when first; 3 pin divide two-way, and the first via is through the 5th resistance R5 ground connection, and the second tunnel the 5th diode D5 connects one end of the 6th resistance R6 and connects the negative pole of the 6th diode D6; The collector electrode of the second triode Q2 connects the base stage of the first triode Q1, the grounded emitter of the second triode Q2 through the 3rd resistance R3; The collector electrode of the first triode Q1 is through the 21 electric capacity C21 ground connection; The positive pole of the 6th diode D6 divides two-way, a road the 7th resistance R7, the 7th capacity earth, and another Lu Jing seven resistance R7, the 8th resistance R8 and the 4th diode D4 are connected the output of the first operational amplifier U4 and one end of the 9th resistance R9 respectively; The power cathode ground connection of the first operational amplifier U4, in-phase input end connects the other end of the 13 resistance R13 and the 15 resistance R15 respectively through the 14 resistance R14, the 7th diode D7; The other end ground connection of the 13 resistance R13; The other end that the reverse input end of the first operational amplifier U4 meets the 9th resistance R9 with connect one end of the 17 resistance R17, one end of the 29 resistance R29 through the 16 resistance R16 and be connected with the output of the second operational amplifier U5; The power cathode ground connection of the second operational amplifier U5, in-phase input end connects one end of the 30 resistance R30 and one end of the 26 resistance R26 respectively, the other end ground connection of the 30 resistance R30; The reverse input end of the second operational amplifier U5 connects the other end of the 29 resistance R29 and one end of the 27 resistance R27 respectively, and the other end of the 27 resistance R27 is through the 28 resistance R28 ground connection; Vcc end is through the 16 electric capacity C16 ground connection;
In this circuit arrangement, amplifying circuit is made up of the second operational amplifier U5, the 26 resistance R26, the 27 resistance R27, the 28 resistance R28, the 29 resistance R29 and the 30 resistance R30; Comparison circuit is made up of the first operational amplifier U4 and the 13 resistance R13, the 14 resistance R14, the 15 resistance R15, the 7th diode D7, the 9th resistance R9 and the 16 resistance R16; Power control switch is made up of with the second triode Q2 the first triode Q1 after the 3rd resistance R3 is connected;
Small-power unit second time base chip U3 4 Jiao Fen tri-tunnels, the first via meets collector electrode and the 21 electric capacity C21 of the first triode Q1 of Automatic Detection and Control unit through the 11 resistance R11, second tunnel the 8th diode D8 ground connection, 8 pin of base chip U3 when the 3rd tunnel connects second; The collector electrode of the first triode Q1 is through the 22 electric capacity C22 ground connection of small-power unit; When second, 2 pin of base chip U3 are through the tenth electric capacity C10 ground connection, and 2 pin connect one end and the travelling arm of the 3rd potentiometer VR3; When second, 3 pin of base chip U3 connect the other end of the 3rd potentiometer VR3 and one end of the 12 resistance R12 respectively, the base stage of another termination the 3rd triode Q3 of the 12 resistance R12, collector electrode connects the collector electrode of the first triode Q1 of Automatic Detection and Control unit, and emitter is through the 18 resistance R18 ground connection; When second, 5 pin of base chip U3 are through the 9th capacity earth, and 6 pin divide two-way, and a road the tenth resistance R10 connects 7 pin, another Lu Jing ten electric capacity C10 ground connection, the 1 pin ground connection of base chip U3 when second;
One end of 19 resistance R19 of power amplification unit connects the collector electrode of the first triode Q1 of Automatic Detection and Control unit, the other end respectively through the 11 electric capacity C11 ground connection, through the 21 resistance R21 ground connection and the one end being connected the 20 resistance R20; The other end of the 20 resistance R20 connects the emitter of the 3rd triode Q3 of small-power unit respectively, connects the base stage of the 4th triode Q4 through the 12 electric capacity C12; The grounded emitter of the 4th triode Q4, collector electrode connects one end of the first coil L1, one end of the 13 electric capacity C13 and one end of the 14 electric capacity C14 respectively; The other end of the first coil L1, the other end of the 13 electric capacity C13 all connect the collector electrode of the first triode Q1 of Automatic Detection and Control unit; The other end of the 14 electric capacity C14 connects one end of the 24 resistance R24 and the grid of field effect transistor Q5 respectively; The other end of the 24 resistance R24 divides three tunnels, the first via through the 15 electric capacity C15 ground connection, the second tunnel the 22 resistance R22 ground connection, the 3rd tunnel the 23 resistance R23 connects the collector electrode of the first triode Q1 of Automatic Detection and Control unit; The source ground of field effect transistor Q5, drain electrode point two-way, one tunnel the 17 electric capacity C17 connects one end of the 18 electric capacity C18 and one end of the 25 resistance R25 respectively, another road connects one end of transmitting coil L2, the other end of transmitting coil L2 connects one end of the 18 electric capacity C18, the other end ground connection of the 18 electric capacity C18; The other end of the 25 resistance R25 connects the other end and the Vcc end of the 26 resistance R26 of Automatic Detection and Control unit respectively; The other end of the 27 resistance of described Automatic Detection and Control unit is through the 18 electric capacity C18 ground connection;
The collector electrode of the 6th triode Q6 of indicating member connects the Vcc pin of Automatic Detection and Control unit, the base stage of another termination the 6th triode Q6 of the 17 resistance R17 of Automatic Detection and Control unit, emitter connects the negative pole of the 11 diode D11 respectively through the 9th diode D9 and connects the positive pole of the tenth light-emitting diode D10 through the 31 resistance R31; The positive pole of the 11 diode D11 connects the negative pole of the 13 diode D13 and connects the positive pole of the 12 light-emitting diode D12 through the 32 resistance R32; The positive pole of the 13 diode D13 connects the negative pole of the 15 diode D15 and connects the positive pole of the 14 light-emitting diode D14 through the 33 resistance R33; The positive pole of the 15 diode D15 connects the negative pole of the 17 diode D17 and connects the positive pole of the 16 light-emitting diode D16 through the 34 resistance R34; The positive pole of the 17 diode D17 connects the negative pole of the 19 diode D19 and connects the positive pole of the 18 light-emitting diode D18 through the 35 resistance R35; The positive pole of the 19 diode D19 connects the positive pole of the 20 light-emitting diode D20 through the 36 resistance R36, the negative pole of the 20 light-emitting diode D20 connects the negative pole of the 18 light-emitting diode D18, the 16 light-emitting diode D16, the 14 light-emitting diode D14, the 12 light-emitting diode D12 and the tenth light-emitting diode D10;
By the rectifier bridge BR of electric unit 2 pin through the 4th coil L4 connect the 19 electric capacity C19 positive pole and connect DCOUT1 pin, DCOUT1 pin connect power consumption equipment; The negative pole of the 19 electric capacity C19 connects DCOUT2 pin; 4 pin of rectifier bridge BR connect DCOUT2 pin, and DCOUT2 pin connects power consumption equipment; 1 pin connects one end of receiving coil L3 and one end of the 20 electric capacity C20 respectively; 3 pin of the other end of receiving coil L3 and another termination rectifier bridge BR of the 20 electric capacity C20, this DCOUT1 pin is connected with power consumption equipment with DCOUT2 pin.
As shown in Figure 3, transmitting coil and receiving coil are coiled into the annulus disk-like structure of individual layer or double-layer overlapping by the enamelled wire of prior art, its center of circle is hollow, to obtain powerful high-efficiency transfer, two feelers of coil lower end are connected with power amplification unit and by electric unit, and frequency range is the electromagnetic wave of 50K-500KHZ.
As most preferred embodiment: enamelled wire diameter is 0.6mm, the external diameter of transmitting coil L2 and receiving coil L3 is 40mm, and internal diameter is the single layer coil of 10mm, and inductance value is 1OUH, is 2 amperes by electric current; Three terminal regulator adopts 7812 type circuit of three-terminal voltage-stabilizing integrated; First triode Q1 adopts 8550 type PNP transistors, the second triode Q2, the 3rd triode Q3 to adopt 8050 type NPN transistors; When first, during base chip U2 and second, base chip U3 adopts NE555 type 8 pin time-base integrated circuit; Second, third, the 4th, the 5th, the 6th, the seven or two pole D1-D7 pipe adopts 4148 type semiconductor diodes; 8th diode adopts 5.1V voltage stabilizing didoe, the 9th diode adopts 9.1V voltage stabilizing didoe, the 11, the 13, the 15, the 17, the 19 diode adopts 2V voltage stabilizing didoe; 6th triode Q6 adopts NPN type triode; 4th triode Q4 adopts 13003 type triodes; Field effect transistor Q5 adopts the depletion type N-MOS field effect transistor of IRF640 type; First operational amplifier U4 and the second operational amplifier U5 adopts LM358 type dual operational amplifier.
Operation principle of the present invention is as follows: the Vcc of Automatic Detection and Control unit inputs 24V, after powering up, first dual operational amplifier U4 and the second dual operational amplifier U5 works, power to the drain electrode of field effect transistor Q5 and transmitting coil L2 through the 25 resistance R25, now field effect transistor Q5 and transmitting coil L2 is in holding state, 24V voltage is through three terminal regulator U1 step-down, 12V burning voltage is exported after voltage stabilizing, to first time base chip U2 power, base chip U2 output pulse signal when first, the first potentiometer VR1 and the second potentiometer VR2 is regulated to make the pulse period be 10S, duty ratio is 1/10, namely high level is 1S, low level is the pulse signal of 9S, for controlling the power control switch be made up of the first triode Q1 and the second triode Q2, when pulse high level, first triode Q1 conducting, to second time base chip U3, 3rd triode Q3, 4th triode Q4 and field effect transistor Q5 powers, when non-loaded, 19 R19 is set, 21 resistance R21, 22 resistance R22 and the 23 resistance R23 makes electric current within 200mA, when regulating the 3rd potentiometer VR3 to make second, the frequency of oscillation of base chip U3 is at 255KHZ, second operational amplifier U5 and the 20 six to three ten resistance R26-R30 forms amplifying circuit, amplify the voltage from the 25 resistance R25 two ends, and the first operational amplifier U4 and the 13 to the 15 resistance R13-R15 and the 7th diode D7,9th resistance R9 and the 16 resistance R16 forms comparison circuit, compares the voltage after amplifying from amplifying circuit, when receiving coil L3 away from transmitting coil L2 not in electromagnetic radiation scale time, namely system is unloaded, system power is less, the pressure drop that the electric current flowing through the 25 resistance R25 produces is not enough to overturn comparison circuit after the second operational amplifier U5 amplifies, the LED of indicating member cannot be driven, then after 1S, the first triode Q1 closes, and system comes back to holding state.
When receiving coil L3 is in the electromagnetic radiation scale of transmitting coil L2, and receiving coil L3 parallel being placed on above transmitting coil coil L2 is located in 2mm, and when making it be in concentric, system is in load holding state, from first time base chip U2 output pulse signal controlled for the first triode Q1 conducting moment, the pressure drop that the electric current flowing through the 25 resistance R25 produces overturns comparison circuit after the second operational amplifier U5 amplifies, the high level exported is by the 4th diode D4, 8th resistance R8, 7th resistance R7 and the 6th diode D6 controls the first triode Q1 and is in and keeps conducting state, at this moment from first time base chip U2 pulse signal inoperative, because the junction of the 6th resistance R6 and the 6th diode D6 is high level before the first operational amplifier U4 of comparison circuit overturns always, this state not with by the 5th diode D5 from first time base chip U2 pulse condition and change. and the high level that the first operational amplifier U4 exports charges to the 7th electric capacity C7 simultaneously, adjust the value of the 7th electric capacity C7 and the 7th resistance R7, after making the first operational amplifier U4 output low level, first triode Q1 can keep conducting state, such as: when within 3 minutes, (also can be At All Other Times) be to guarantee that receiving coil L3 and transmitting coil L2 interim short time move, system still keeps work, simultaneously, system operationally, second operational amplifier U5 amplifies the LED of voltage by the 6th triode Q6 driving indicating member of output, the number that LED is lighted reflects that the second operational amplifier U5 amplifies the height of output voltage, and whether the unlatching number reflection receiving coil L3 according to LED is placed in optimum position, comparator reference voltage can be changed by adjusting the 13 resistance R13 and the 15 resistance R15, entering operating state in order to control system when much power.
The present invention adopts frequency range to be that the electromagnetic wave of 50K-500KHZ does energy transmission, this is because components and parts are cheap in this frequency range, winding volume is little, and Q value can suitably reduce, and is easy to coupling during production; The present invention can ensure within electricity reception coil distance 10mm, during power 50W efficiency of transmission higher than in 50%, 2mm time even more than 80%. in addition, due to adopt small coil, electromagnetic radiation in this frequency range is very faint, is easy to the electromagnetic radiation standard meeting various countries.
Claims (9)
1. high-power wireless electric supply installation in a kind, comprise for generation of electromagnetic electric supply installation and for receive electromagnetic wave and be converted into electric energy current-collecting device composition, it is characterized in that: described electric supply installation is made up of Automatic Detection and Control unit, small-power unit, power amplification unit, transmitting coil and indicating member, and Automatic Detection and Control unit is connected with small-power unit, power amplification unit and indicating member; Small-power unit connects power amplification unit; Power amplification unit connects transmitting coil;
Described current-collecting device forms by receiving coil with by electric unit, receiving coil connects by electric unit, the electric current of power amplification unit is generated electromagnetic waves by transmitting coil, when receiving coil is near transmitting coil, receiving coil is by electromagnetic coupled mode and transmitting coil wireless connections, and receiving coil generation current is also by being that power consumption equipment is powered by electric unit;
The positive source of the positive pole of the first electric capacity (C1), the input of the first resistance (R1), the positive source of the first operational amplifier (U4), the 15 resistance (R15), the second operational amplifier (U5) is connected respectively after the Vcc end input 24V voltage of described Automatic Detection and Control unit; The minus earth of the first electric capacity (C1), 1 pin (Vin) of the output termination three terminal regulator (U1) of the first resistance (R1); 2 pin ground connection (GND) of three terminal regulator (U1), 3 pin (Vout) Fen Wulu, the first via connects the positive pole of the first light-emitting diode (D1) through the second resistance (R2), the minus earth of the first light-emitting diode (D1); Second tunnel connects the emitter of the first triode (Q1); 3rd tunnel second electric capacity (C2) ground connection; 4th tunnel the 3rd electric capacity (C3) ground connection; 4 pin of base chip (U2) when 5th tunnel connects first, when described first, base chip (U2) adopts NE555 type 8 pin time-base integrated circuit, when first, 5 pin of base chip (U2) are through the 4th capacity earth, 6 pin connect respectively the negative pole of the second diode (D2), one end of the first potentiometer (VR1), the travelling arm of the first potentiometer (VR1), the positive pole of the 5th electric capacity (C5) and first time base chip (U2) 2 pin; The minus earth of the 5th electric capacity (C5), the other end of the first potentiometer (VR1) through the 3rd diode (D3) connect the travelling arm of the second potentiometer (VR2), one end of the second potentiometer (VR2), one end of the 4th resistance (R4) and first time base chip (U2) 7 pin, the positive pole of another termination second diode (D2) of the second potentiometer (VR2), 8 pin of base chip (U2) and 4 pin when the other end of the 4th resistance (R4) connects first respectively; 1 pin ground connection of base chip (U2) when first; 3 pin divide two-way, and the first via is through the 5th resistance (R5) ground connection, and the second tunnel the 5th diode (D5) connects one end of the 6th resistance (R6) and connects the negative pole of the 6th diode (D6); The collector electrode of the second triode (Q2) connects the base stage of the first triode (Q1), the grounded emitter of the second triode (Q2) through the 3rd resistance (R3); The collector electrode of the first triode (Q1) is through the 21 electric capacity (C21) ground connection; The positive pole of the 6th diode (D6) divides two-way, one tunnel the 7th resistance (R7), the 7th capacity earth, another Lu Jing seven resistance (R7), the 8th resistance (R8) and the 4th diode (D4) are connected the output of the first operational amplifier (U4) and one end of the 9th resistance (R9) respectively; The power cathode ground connection of the first operational amplifier (U4), in-phase input end connects the other end of the 13 resistance (R13) and the 15 resistance (R15) respectively through the 14 resistance (R14), the 7th diode (D7); The other end ground connection of the 13 resistance (R13); The other end that the reverse input end of the first operational amplifier (U4) connects the 9th resistance (R9) with connect one end of the 17 resistance (R17), one end of the 29 resistance (R29) through the 16 resistance (R16) and be connected with the output of the second operational amplifier (U5); The power cathode ground connection of the second operational amplifier (U5), in-phase input end connects one end of the 30 resistance (R30) and one end of the 26 resistance (R26) respectively, the other end ground connection of the 30 resistance (R30); The reverse input end of the second operational amplifier (U5) connects the other end of the 29 resistance (R29) and one end of the 27 resistance (R27) respectively, and the other end of the 27 resistance (R27) is through the 28 resistance (R28) ground connection; Vcc end is through the 16 electric capacity (C16) ground connection.
2. middle high-power wireless electric supply installation according to claim 1, is characterized in that: described transmitting coil and receiving coil are coiled into the annulus plate-like Structure composing of flat individual layer or bilayer respectively respectively by enamelled wire.
3. middle high-power wireless electric supply installation according to claim 2, is characterized in that: the wireless power distance≤10mm of described transmitting coil and receiving coil.
4. middle high-power wireless electric supply installation according to claim 3, is characterized in that: described electromagnetic frequency range is 50K-500KHZ.
5. middle high-power wireless electric supply installation according to claim 4, it is characterized in that: described small-power unit second time base chip (U3) adopt NE555 type 8 pin time-base integrated circuit, 4 Jiao Fen tri-tunnels of base chip (U3) when second, the first via connects collector electrode and the 21 electric capacity (C21) of first triode (Q1) of Automatic Detection and Control unit through the 11 resistance (R11), second tunnel the 8th diode (D8) ground connection, 8 pin of base chip (U3) when the 3rd tunnel connects second; The collector electrode of the first triode (Q1) is through the 22 electric capacity (C22) ground connection of small-power unit; When second, 2 pin of base chip (U3) are through the tenth electric capacity (C10) ground connection, and 2 pin connect one end and the travelling arm of the 3rd potentiometer (VR3); When second, 3 pin of base chip (U3) connect the other end of the 3rd potentiometer (VR3) and one end of the 12 resistance (R12) respectively, the base stage of another termination the 3rd triode (Q3) of the 12 resistance (R12), collector electrode connects the collector electrode of first triode (Q1) of Automatic Detection and Control unit, and emitter is through the 18 resistance (R18) ground connection; When second, 5 pin of base chip (U3) are through the 9th capacity earth, 6 pin divide two-way, one tunnel the tenth resistance (R10) connects 7 pin, another Lu Jing ten electric capacity (C10) ground connection, 1 pin ground connection of base chip (U3) when second.
6. middle high-power wireless electric supply installation according to claim 5, it is characterized in that: one end of the 19 resistance (R19) of described power amplification unit connects the collector electrode of first triode (Q1) of Automatic Detection and Control unit, the 19 resistance (R19) other end respectively through the 11 electric capacity (C11) ground connection, through the 21 resistance (R21) ground connection and the one end being connected the 20 resistance (R20); The other end of the 20 resistance (R20) connects the emitter of the 3rd triode (Q3) of small-power unit respectively, connects the base stage of the 4th triode (Q4) through the 12 electric capacity (C12); 4th triode (Q4) send out grounded emitter, collector electrode connects one end of the first coil (L1), one end of the 13 electric capacity (C13) and one end of the 14 electric capacity (C14) respectively; The other end of the first coil (L1), the other end of the 13 electric capacity (C13) all connect the collector electrode of first triode (Q1) of Automatic Detection and Control unit; The other end of the 14 electric capacity (C14) connects one end of the 24 resistance (R24) and the grid of field effect transistor (Q5) respectively; The other end of the 24 resistance (R24) divides three tunnels, the first via is through the 15 electric capacity (C15) ground connection, second tunnel the 22 resistance (R22) ground connection, the 3rd tunnel the 23 resistance (R23) connects the collector electrode of first triode (Q1) of Automatic Detection and Control unit; The source ground of field effect transistor (Q5), drain electrode point two-way, one tunnel the 17 electric capacity (C17) connects one end of the 18 electric capacity (C18) and one end of the 25 resistance (R25) respectively, another road connects one end of transmitting coil (L2), the other end of transmitting coil (L2) connects one end of the 18 electric capacity (C18), the other end ground connection of the 18 electric capacity (C18); The other end of the 25 resistance (R25) connects the other end and the Vcc end of the 26 resistance (R26) of Automatic Detection and Control unit respectively; The other end of the 27 resistance (R27) of described Automatic Detection and Control unit is through the 18 electric capacity (C18) ground connection.
7. middle high-power wireless electric supply installation according to claim 6, it is characterized in that: the collector electrode of the 6th triode (Q6) of described indicating member connects the Vcc pin of Automatic Detection and Control unit, the base stage of another termination the 6th triode (Q6) of the 17 resistance (R17) of Automatic Detection and Control unit, emitter connects the negative pole of the 11 diode (D11) respectively through the 9th diode (D9) and connects the positive pole of the tenth light-emitting diode (D10) through the 31 resistance (R31); The positive pole of the 11 diode (D11) connects the negative pole of the 13 diode (D13) and connects the positive pole of the 12 light-emitting diode (D12) through the 32 resistance (R32); The positive pole of the 13 diode (D13) connects the negative pole of the 15 diode (D15) and connects the positive pole of the 14 light-emitting diode (D14) through the 33 resistance (R33); The positive pole of the 15 diode (D15) connects the negative pole of the 17 diode (D17) and connects the positive pole of the 16 light-emitting diode (D16) through the 34 resistance (R34); The positive pole of the 17 diode (D17) connects the negative pole of the 19 diode (D19) and connects the positive pole of the 18 light-emitting diode (D18) through the 35 resistance (R35); The positive pole of the 19 diode (D19) connects the positive pole of the 20 light-emitting diode (D20) through the 36 resistance (R36), the negative pole of the 20 light-emitting diode (D20) connects the negative pole of the 18 light-emitting diode (D18), the 16 light-emitting diode (D16), the 14 light-emitting diode (D14), the 12 light-emitting diode (D12) and the tenth light-emitting diode (D10).
8. middle high-power wireless electric supply installation according to claim 7, it is characterized in that: 2 pin of the described rectifier bridge (BR) by electric unit connect the positive pole of the 19 electric capacity (C19) through the 4th coil (L4) and connect DCOUT1 pin, and the negative pole of the 19 electric capacity (C19) connects DCOUT2 pin; 4 pin of rectifier bridge (BR) connect DCOUT2 pin; 1 pin connects one end of receiving coil (L3) and one end of the 20 electric capacity (C20) respectively; 3 pin of the other end of receiving coil (L3) and another termination rectifier bridge (BR) of the 20 electric capacity (C20), this DCOUT1 pin is connected with power consumption equipment with DCOUT2 pin.
9. middle high-power wireless electric supply installation according to claim 8, is characterized in that: the external diameter of transmitting coil (L2) and receiving coil (L3) is 40mm, and internal diameter is the single layer coil of 10mm, and described enamelled wire diameter is 0.6mm; Three terminal regulator (U1) adopts 7812 type circuit of three-terminal voltage-stabilizing integrated; First triode (Q1) adopts 8550 type PNP transistors, the second triode (Q2), the 3rd triode (Q3) adopts 8050 type NPN transistors; Second, third, the 4th, the 5th, the 6th, the 7th diode (D1-D7) adopts 4148 type semiconductor diodes; 8th diode (D8) adopts 5.1V voltage stabilizing didoe, the 9th diode (D9) adopts 9.1V voltage stabilizing didoe; 11 diode (D11), the 13 diode (D13), the 15 diode (D15), the 17 diode (D17), the 19 diode (D19) adopt 2V voltage stabilizing didoe; 6th triode (Q6) adopts NPN type triode; 4th triode (Q4) adopts 13003 type triodes; Field effect transistor (Q5) adopts the depletion type N-MOS field effect transistor of IRF640 type; First operational amplifier (U4) and the second operational amplifier (U5) adopt LM358 type dual operational amplifier.
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| CN201210379768.5A CN102868238B (en) | 2012-06-08 | 2012-10-09 | Middle-and-high-power wireless power unit |
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| CN2012101886773 | 2012-06-08 | ||
| CN2012101886773A CN102723789A (en) | 2012-06-08 | 2012-06-08 | Medium-high power wireless power supply device |
| CN201210188677.3 | 2012-06-08 | ||
| CN201210379768.5A CN102868238B (en) | 2012-06-08 | 2012-10-09 | Middle-and-high-power wireless power unit |
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| CN2012205151076U Expired - Lifetime CN202817920U (en) | 2012-06-08 | 2012-10-09 | Medium and large-power wireless power supply device |
| CN201210379768.5A Active CN102868238B (en) | 2012-06-08 | 2012-10-09 | Middle-and-high-power wireless power unit |
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| TWI472897B (en) * | 2013-05-03 | 2015-02-11 | Fu Da Tong Technology Co Ltd | Method and Device of Automatically Adjusting Determination Voltage And Induction Type Power Supply System Thereof |
| CN102723789A (en) * | 2012-06-08 | 2012-10-10 | 杨彤 | Medium-high power wireless power supply device |
| CN108469554A (en) * | 2018-03-20 | 2018-08-31 | 钱柏霖 | A kind of passive closed environment index detection system and method |
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| CN201887567U (en) * | 2010-12-02 | 2011-06-29 | 陈文英 | Vehicle-mounted wireless power supplying and charging device |
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| CN202817920U (en) * | 2012-06-08 | 2013-03-20 | 杨彤 | Medium and large-power wireless power supply device |
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| US7826873B2 (en) * | 2006-06-08 | 2010-11-02 | Flextronics Ap, Llc | Contactless energy transmission converter |
| US8965461B2 (en) * | 2008-05-13 | 2015-02-24 | Qualcomm Incorporated | Reverse link signaling via receive antenna impedance modulation |
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- 2012-06-08 CN CN2012101886773A patent/CN102723789A/en active Pending
- 2012-10-09 CN CN2012205151076U patent/CN202817920U/en not_active Expired - Lifetime
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101867203A (en) * | 2009-04-15 | 2010-10-20 | 通用汽车环球科技运作公司 | The induction electricity charger and the induction charging system that are used for portable electric appts |
| CN102263441A (en) * | 2010-05-27 | 2011-11-30 | 富达通科技股份有限公司 | Data transmission method for inductive power supply |
| CN201887567U (en) * | 2010-12-02 | 2011-06-29 | 陈文英 | Vehicle-mounted wireless power supplying and charging device |
| CN202817920U (en) * | 2012-06-08 | 2013-03-20 | 杨彤 | Medium and large-power wireless power supply device |
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| CN102723789A (en) | 2012-10-10 |
| CN202817920U (en) | 2013-03-20 |
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Effective date of registration: 20191125 Address after: No. 888, Weisan Road, economic development zone, Quanjiao County, Chuzhou City, Anhui Province Patentee after: Anhui Xu Neng power Limited by Share Ltd Address before: 4 16A, 518000 village, deep cloud village, Shenzhen, Guangdong, Nanshan District Patentee before: Yang Tong |
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