CN103248135A - Power-adjustable wireless powering device - Google Patents
Power-adjustable wireless powering device Download PDFInfo
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- CN103248135A CN103248135A CN2013101805821A CN201310180582A CN103248135A CN 103248135 A CN103248135 A CN 103248135A CN 2013101805821 A CN2013101805821 A CN 2013101805821A CN 201310180582 A CN201310180582 A CN 201310180582A CN 103248135 A CN103248135 A CN 103248135A
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Abstract
The invention relates to a power-adjustable wireless powering device, which is characterized by comprising a power supply unit for providing four different paths of input power for a power sending circuit, the power sending circuit for oscillating the power inputted by the power supply unit into high-frequency electromagnetic waves and sending the electromagnetic waves out, a sending power meter for measuring and displaying the real-time power of the power sending circuit, a sending end PCB (printed circuit board) for constructing reliable circuit connection for the power supply unit, the power sending unit and the sending power meter, a power receiving circuit for receiving the energy sent from the power sending circuit, a rectifying voltage-stabilizing module for performing rectifying and voltage-stabilizing on the received energy into constant direct current and powering a load, a receiving power meter for measuring and displaying the real-time power of the rectifying voltage-stabilizing module, and the load for visually displaying the received energy. The power-adjustable wireless powering device is adjustable in input-output power, novel in design and has a wide application prospect.
Description
Technical field
The wireless power transmission technology is one of the most active hot research direction in present electrical engineering field, be that collection basic research and application study are the advanced subject of one, be the new research field of a multidisciplinary strong intersection of current domestic and international academia and industrial quarters exploration, contain many technical fields such as electromagnetic field, power electronic technology, electric power system, control technology, physics, materialogy, information technology.Adopt the wireless power mode can effectively overcome all kinds of defectives that the electric wire connected mode exists, realize freely powering of electronic apparatus, have important use expection and vast potential for future development.
The present invention relates to a kind of adjustable power formula wireless power supply, particularly relate to a kind of adjustable power, easy to use, wireless power transmission technology that system is convenient, stable, safe and reliable, for the wireless power transmission technology provides concrete tangible technology model.
Background technology
The wireless power transmission technology is broadly divided into three kinds: first kind is the inductive coupling type electric energy transmission, and it utilizes the loosely coupled transformer principle to pass energy, and generally there are the core device that reduces the loop magnetic resistance in transmitting terminal and receiving terminal.Second kind is the transmission of electromagnetic coupled resonant mode electric energy, by inductance on the resonator of high quality factor and distributed capacitor generation resonance transmission energy.The third is the transmission of electromagnetic radiation formula electric energy, and electric energy is converted into the microwave form in this technology, and transmission range exceedance km can be realized the teletransmission of electric energy.Wherein the electromagnetic coupled harmonic technology utilizes non-radiative electromagnetic field near-field region to finish the electric energy transmission, than induction biography energy, in transmission range very big expansion has been arranged on the one hand; Compare the electromagnetic radiation formula on the other hand and pass energy, the near-field region energy has radiationless characteristics, and this technology has fail safe preferably, therefore obtains very big concern and research at present.
Summary of the invention
Technical problem to be solved by this invention is, a kind of adjustable power, easy to use has been proposed, the wireless electric energy transmission device that system is convenient, stable, safe and reliable, the existence of bare exposed conductor in traditional electric energy transmission means and the generation of contact sparking have been avoided, overcome traditional electric energy transmission means in some particular surroundingss such as drawback inflammable and explosive, that wait occasion to exist, for the wireless power transmission technology provides concrete tangible technology model under water.
The technical solution adopted in the present invention is: power subsystem 2 is used for providing four tunnel different input powers to power emission circuit 3; Power emission circuit 3, the power oscillation that power subsystem 2 is imported is frequency electromagnetic waves and launches; Transmitting power table 4, the realtime power of measurement and demonstration power emission circuit 3; Transmitting terminal pcb board 1 connects for power subsystem 2, power emission circuit 3, transmitting power table 4 make up reliable circuit; Power receiving circuit 6, the energy that received power radiating circuit 3 is launched; Rectifying and voltage-stabilizing module 8, the energy rectifying and voltage-stabilizing that is used for receiving becomes constant DC, and to load 9 power supplies; Received power table 4, the realtime power of measurement and demonstration rectifying and voltage-stabilizing module 8; Load 9 is used for embodying intuitively the energy that receives; Receiving terminal pcb board 5, circuit connects for power receiving circuit 6, rectification stable pressuring unit 8, load 9 make up reliably.
Four select a mains switch 25 to have 4 incoming ends 252,253,254 and 255 and 1 to pick out end 251, four select the inside of a mains switch 25 to select to pick out a connection in the certain thickness shell fragment that end connects and the certain thickness shell fragment that 4 incoming ends are connected by knob, be coated with one deck silver on the shell fragment, reduce the contact resistance loss.
Power receiving circuit 6 produces vibration by harmonic wave electric capacity 61 and electromagnetism receiving coil 62, and the higher-order of oscillation electromagnetic field frequency that its frequency of oscillation and power emission circuit 3 are produced is complementary, thereby make the energy transmission efficiency maximum, receiving terminal can obtain maximum electrical power.
Rectification stable pressuring unit 8 comprises rectification and two parts of voltage stabilizing, and rectifying part is made of the halfwave rectifier bridge, and the higher-order of oscillation AC rectification that is used for power receiving circuit 6 is received is the less direct current of amplitude fluctuations; Voltage stabilizing part further direct current voltage stabilizing that amplitude fluctuations is less becomes the direct current of constant amplitude, for load 9 operate as normal.
A kind of adjustable power formula of the present invention wireless power supply, it is the wireless power supply that the power subsystem that adopts adjustable power, power emission circuit, transmitting power table etc. are formed, these components and parts rational and effective are welded on transmitting terminal and the receiving terminal pcb board, have improved wireless confession
Electric installation space resources utilance can realize the wireless function that conducts electricity of certain distance.This wireless power supply adjustable power, easy to use, system is convenient, stable, safe and reliable, for the teaching of wireless technology of transmission of electricity provides concrete tangible technology model.
Description of drawings
Fig. 1 is overall structure figure of the present invention;
Fig. 2 four selects the structure chart of a mains switch 25;
The fundamental diagram of Fig. 3 power receiving circuit 3;
Fig. 4 is the structure chart of rectification stable pressuring unit 8.
Wherein:
1: transmitting terminal pcb board 22:12V power supply
2: power subsystem 23:18V power supply
3: power emission circuit 24:24V power supply
4: transmitting power table 25: four select a mains switch
5: the receiving terminal pcb board selects a mains switch to pick out end at 251: four
6: power receiving circuit 252:5V mains switch incoming end
7: transmitting power table 253:12V mains switch incoming end
8: rectification stable pressuring unit 254:18V mains switch incoming end
9: load 255:24V mains switch incoming end
The 21:5V power supply
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention-a kind of adjustable power formula wireless power supply is made detailed explanation.
As shown in Figure 1, a kind of adjustable power formula of the present invention wireless power supply, the power subsystem 2 of setting is used for providing four tunnel different input powers to power emission circuit 3; Power emission circuit 3, the power oscillation that power subsystem 2 is imported is frequency electromagnetic waves and launches; Transmitting power table 4, the realtime power of measurement and demonstration power emission circuit 3; Transmitting terminal pcb board 1 connects for power subsystem 2, power emission circuit 3, transmitting power table 4 make up reliable circuit; Power receiving circuit 6, the energy that received power radiating circuit 3 is launched; Rectifying and voltage-stabilizing module 8, the energy rectifying and voltage-stabilizing that is used for receiving becomes constant DC, and to load 9 power supplies; Received power table 4, the realtime power of measurement and demonstration rectifying and voltage-stabilizing module 8; Load 9 is used for embodying intuitively the energy that receives; Receiving terminal pcb board 5, circuit connects for power receiving circuit 6, rectification stable pressuring unit 8, load 9 make up reliably.
As shown in Figure 2, described four select a mains switch 25 to have 4 incoming ends 252,253,254 and 255 and 1 to pick out end 251, four select the inside of a mains switch 25 to select to pick out a connection in the certain thickness shell fragment that end connects and the certain thickness shell fragment that 4 incoming ends are connected by knob, this structure is very reliable, and be coated with one deck silver at shell fragment, contact resistance is diminished, reduce loss.
As shown in Figure 3, described power receiving circuit 6 produces the higher-order of oscillation by harmonic wave electric capacity 61 and 62 parallel connections of electromagnetism receiving coil, and the higher-order of oscillation electromagnetic field frequency that its frequency of oscillation and power emission circuit 3 are produced is complementary, thereby make the energy transmission efficiency maximum, receiving terminal can obtain maximum electrical power.
As shown in Figure 4, described rectification stable pressuring unit 8 comprises rectification and two parts of voltage stabilizing, rectifying part constitutes the halfwave rectifier bridge with the fast diode VD2 that connects is in parallel with VD3 again by fast diode VD1 and the VD4 of series connection, is the less direct current of amplitude fluctuations for the higher-order of oscillation AC rectification that power receiving circuit 6 is received; The less direct current of the amplitude fluctuations that voltage stabilizing part further goes out rectification becomes the direct current of constant amplitude through the voltage stabilizing of voltage stabilizing chip, for load 9 operate as normal.
Claims (4)
1. a kind of adjustable power formula of the present invention wireless power supply is characterized in that being provided with: power subsystem 2 is used for providing four tunnel different input powers to power emission circuit 3; Power emission circuit 3, the power oscillation that power subsystem 2 is imported is frequency electromagnetic waves and launches; Transmitting power table 4, the realtime power of measurement and demonstration power emission circuit 3; Transmitting terminal pcb board 1 connects for power subsystem 2, power emission circuit 3, transmitting power table 4 make up reliable circuit; Power receiving circuit 6, the energy that received power radiating circuit 3 is launched; Rectifying and voltage-stabilizing module 8, the energy rectifying and voltage-stabilizing that is used for receiving becomes constant DC, and to load 9 power supplies; Received power table 4, the realtime power of measurement and demonstration rectifying and voltage-stabilizing module 8; Load 9 is used for embodying intuitively the energy that receives; Receiving terminal pcb board 5, circuit connects for power receiving circuit 6, rectification stable pressuring unit 8, load 9 make up reliably.
2. a kind of adjustable power formula wireless power supply according to claim 1, it is characterized in that, also be provided with: four select a mains switch 25 to have 4 incoming ends 252,253,254 and 255 and 1 to pick out end 251, four select the inside of a mains switch 25 to select to pick out a connection in the certain thickness shell fragment that end connects and the certain thickness shell fragment that 4 incoming ends are connected by knob, be coated with one deck silver on the shell fragment, reduce the contact resistance loss.
3. a kind of adjustable power formula wireless power supply according to claim 1, it is characterized in that, also be provided with: power receiving circuit 6 produces vibration by harmonic wave electric capacity 61 and electromagnetism receiving coil 62, and the higher-order of oscillation electromagnetic field frequency that its frequency of oscillation and power emission circuit 3 are produced is complementary, thereby make the energy transmission efficiency maximum, receiving terminal can obtain maximum electrical power.
4. a kind of adjustable power formula wireless power supply according to claim 1, it is characterized in that, also be provided with: rectification stable pressuring unit 8 comprises rectification and two parts of voltage stabilizing, rectifying part is made of the halfwave rectifier bridge, and the higher-order of oscillation AC rectification that is used for power receiving circuit 6 is received is the less direct current of amplitude fluctuations; Voltage stabilizing part further direct current voltage stabilizing that amplitude fluctuations is less becomes the direct current of constant amplitude, for load 9 operate as normal.
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CN2013101805821A CN103248135A (en) | 2013-05-16 | 2013-05-16 | Power-adjustable wireless powering device |
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CN2013101805821A CN103248135A (en) | 2013-05-16 | 2013-05-16 | Power-adjustable wireless powering device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106484962A (en) * | 2016-09-21 | 2017-03-08 | 华南理工大学 | A kind of symbolic analysis method of the resonance type wireless transmission system based on E class inversion |
CN111817450A (en) * | 2020-08-27 | 2020-10-23 | 鹏城实验室 | Underwater communication power supply system based on magnetic communication |
-
2013
- 2013-05-16 CN CN2013101805821A patent/CN103248135A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106484962A (en) * | 2016-09-21 | 2017-03-08 | 华南理工大学 | A kind of symbolic analysis method of the resonance type wireless transmission system based on E class inversion |
CN106484962B (en) * | 2016-09-21 | 2019-08-20 | 华南理工大学 | A kind of symbolic analysis method of resonance type wireless transmission system steady-state characteristic |
CN111817450A (en) * | 2020-08-27 | 2020-10-23 | 鹏城实验室 | Underwater communication power supply system based on magnetic communication |
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Application publication date: 20130814 |