CN102638089A - High-power wireless charging device - Google Patents
High-power wireless charging device Download PDFInfo
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- CN102638089A CN102638089A CN2012100905762A CN201210090576A CN102638089A CN 102638089 A CN102638089 A CN 102638089A CN 2012100905762 A CN2012100905762 A CN 2012100905762A CN 201210090576 A CN201210090576 A CN 201210090576A CN 102638089 A CN102638089 A CN 102638089A
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Abstract
The invention discloses a high-power wireless charging device. The high-power wireless charging device is characterized in that a power supply accesses an LC electromagnetic resonance circuit sequentially by a bridge type rectification circuit and a high-frequency switch, an AD collection circuit collects current and voltage of the LC electromagnetic resonance circuit and then sends the current and voltage to a central processor by an RC filter circuit and a signal amplification circuit to form the transmitting end of the charging device; and a battery load accesses an electromagnetic resonance unit through a power supply management system, and the current and voltage signals of the battery load is fed back to the power supply management system by a collection unit to form the receiving end of the charging device. Due to the adoption of the circuit structure, the charging device has the advantages that 1, solving the problem that the wireless feed-back real-time property of the prior art is poor is solved by a high-voltage resonance manner; 2, the transmission distance of wireless power energy is lengthened; 3, the directivity of a magnetic field is strong, which is beneficial to distant transmission of wireless power energy; and 4, the harm on a human body is little.
Description
Technical field
The present invention relates to the wireless charging field, particularly a kind of high-power wireless charging device.
Background technology
Wireless charging is to realize electronic product is charged through magnetic field loose coupling harmonic technology; Whole wireless charging system has comprised two parts; One is the emission system that connects power supply; Receiving system on another electronic product, as long as in certain scope, power supply can moment spontaneous emission system pass on the corresponding receiving system.
The basic way of electromagnetic induction that adopts in the high-power wireless electric power transfer in the prior art, it is difficult to realize the lifting of full Wireless FEEDBACK CONTROL and wireless power through-put power.Because the feedback signal of load will in time be sent to control unit, adopt its speed of wireless feedback mode to be difficult to realize the real-time requirement, and the less stable of wireless feedback, cause whole wireless charging system job insecurity.
It is the problem that the prior art needs solve that the real-time that in the wireless charging process, satisfies signal feedback requires.
Summary of the invention
Technical problem to be solved by this invention is a kind of high-power wireless charging device to be provided, to satisfy signal feedback real-time requirement in the wireless charging process, the purpose of raising stability.
For solving the problems of the technologies described above; Technical scheme of the present invention is; A kind of high-power wireless charging device; It is characterized in that: described charging device is that power supply inserts the LC electromagnetic resonant circuit through bridge rectifier, HF switch successively, passes to the transmitting terminal that central processing unit constitutes charging device through RC filter circuit, signal amplification circuit behind the current/voltage of AD Acquisition Circuit collection LC electromagnetic resonant circuit; The EMR electromagnetic resonance unit inserts cell load through power-supply management system; Collecting unit feeds back to the receiving terminal that power-supply management system constitutes charging device with the current and voltage signals of cell load again; Thereby wireless transmit and reception are carried out independently Detection & Controling, guaranteed the stability of whole charging device.
Described central processing unit connects the ipc monitor platform, and the charge condition of transmitting terminal is monitored in real time.
The model of described central processing unit is S08DZ60.
Described central processing unit, AD Acquisition Circuit are supplied power to it for the control power supply.
Described LC electromagnetic resonant circuit is to insert loosely coupled transformer behind two inductance series connection backs and the resonant capacitance Cp.
Described HF switch is that two switching tubes insert two inductance in the LC electromagnetic resonant circuit, the conducting sequential and the duty ratio of central processing unit control switch pipe respectively.
A kind of high-power wireless charging device, owing to adopt the foregoing circuit structure, this charging device has the following advantages: 1, solved the relatively poor problem of wireless feedback real-time in the prior art with the high voltage resonant mode; 2, make the wireless power power transfer apart from lengthening; 3, magnetic fields point property is very strong, helps wireless power energy long-distance transmissions; 4, little to the human injury.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation;
Fig. 1 is the theory diagram of a kind of high-power wireless charging device of the present invention;
Fig. 2 is the circuit diagram of a kind of high-power wireless charging device control of the present invention power supply;
Fig. 3 is the circuit diagram of a kind of high-power wireless charging device of the present invention central processing unit;
Fig. 4 is the circuit diagram of a kind of high-power wireless charging device of the present invention AD Acquisition Circuit;
Fig. 5 is the circuit diagram of a kind of high-power wireless charging device of the present invention LC electromagnetic resonant circuit;
In Fig. 1,1, the LC electromagnetic resonant circuit; 2, AD Acquisition Circuit; 3, HF switch; 4, RC filter circuit; 5, bridge rectifier; 6, central processing unit; 7, signal amplification circuit; 8, power supply; 9, ipc monitor platform; 10, control power supply; 11, EMR electromagnetic resonance unit; 12, power-supply management system; 13, cell load; 14, collecting unit.
Embodiment
As shown in Figure 1; The present invention is that power supply 8 inserts LC electromagnetic resonant circuit 1 through bridge rectifier 5, HF switch 3 successively, passes to the transmitting terminal that central processing unit 6 constitutes charging devices through RC filter circuit 4, signal amplification circuit 7 behind the current/voltage of AD Acquisition Circuit 2 collection LC electromagnetic resonant circuit 1; EMR electromagnetic resonance unit 11 inserts cell load 13 through power-supply management system 12; Collecting unit 14 feeds back to the receiving terminal that power-supply management system 12 constitutes charging device with the current and voltage signals of cell load 13 again; Thereby wireless transmit and reception are carried out independently Detection & Controling, guaranteed the stability of whole charging device.
Central processing unit 6 connects ipc monitor platform 9, and the charge condition of transmitting terminal is monitored in real time.Central processing unit 6, AD Acquisition Circuit 2 supplied power to it for control power supply 10.
As shown in Figure 2, control power supply 10 is central processing unit 6,2 power supplies of AD Acquisition Circuit, and the DC15V input produces the DC5V supply voltage from the VCC point.This part has mainly adopted the IC of ripe three-terminal voltage-stabilizing LM78M05, and C7, C8 form filter network, makes the clean DC5V power supply output of power-supply system output.
As shown in Figure 3, central processing unit 6 adopts the CPU process chip of ripe S08DZ60, and 6 road PWM output can remove to control 6 way switch resonant circuits, and native system is only controlled 2 road LC resonant circuits, outside brilliant whole 4MHZ.
As shown in Figure 4, AD Acquisition Circuit 2 comprises current acquisition and system temperature collection, and 8 line states comprise holding state and charged state in showing, 2 tunnel outside input circuits.
As shown in Figure 5, LC electromagnetic resonant circuit 1 is the Key Circuit of high-power wireless emission, and this circuit carries out resonance with the voltage of DC390V; Voltage behind the resonance is at 900V, and harmonic wave is similar to sine wave, has also utilized the sinusoidal wave the highest principle of efficiency of transmission of passing the loose coupling coil simultaneously; Thereby improve the efficient of wireless power energy emission, LC electromagnetic resonant circuit 1 adopts double-inductance structure, and each inductance value is 30uH; Form LC electromagnetic resonant circuit 1 with resonant capacitance Cp, resonance frequency is about 100KHZ, and resonance potential is about 900V; Wireless transmit adopts loose coupling transformer, so leakage inductance is very big, and leakage inductance amount even excitatory greater than loosely coupled transformer; Resonant capacitance also can absorb the energy in the loosely coupled transformer breath, so more can guarantee the stable of resonant circuit, because EMR electromagnetic resonance magnetic field has very strong directive property; Can realize like this power supply of the wireless receiving system beyond 1.5 meters; The half-bridge circuit that switching tube QA and switching tube QB form among the figure, they are separately timesharing conductings, are mainly controlled the conducting sequential and the duty ratio of these two switching tubes by above-mentioned central processing unit 6.
The present invention proposes with the high voltage resonant mode, former limit adopts half-bridge LC resonant circuit to realize the high-power wireless electric power transfer, has solved the relatively poor problem of wireless feedback real-time in the prior art, and the stability of its feedback better.The wireless power power transfer distance of electromagnetic coupled is very short, generally is the millimeter level, and the present invention adopts the EMR electromagnetic resonance mode, makes wireless power power transfer distance reach meter level.The mode leakage field of electromagnetic coupled is very serious, and the magnetic fields point property of EMR electromagnetic resonance mode is very strong, helps wireless power energy long-distance transmissions; The wireless transmit frequency belongs to industry and allows the scope of application at 100KHZ-10MHZ, and human body radiation is not had injury basically.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted technical scheme of the present invention to carry out, or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (6)
1. high-power wireless charging device; It is characterized in that: described charging device is that power supply (8) inserts LC electromagnetic resonant circuit (1) through bridge rectifier (5), HF switch (3) successively, passes to the transmitting terminal that central processing unit (6) constitutes charging device through RC filter circuit (4), signal amplification circuit (7) behind the current/voltage of AD Acquisition Circuit (2) collection LC electromagnetic resonant circuit (1); EMR electromagnetic resonance unit (11) inserts cell load (13) through power-supply management system (12), and collecting unit (14) feeds back to the receiving terminal that power-supply management system (12) constitutes charging device with the current and voltage signals of cell load (13) again.
2. a kind of high-power wireless charging device according to claim 1 is characterized in that: described central processing unit (6) connects ipc monitor platform (9).
3. a kind of high-power wireless charging device according to claim 1 and 2 is characterized in that: the model of described central processing unit (6) is S08DZ60.
4. a kind of high-power wireless charging device according to claim 1 is characterized in that: described central processing unit (6), AD Acquisition Circuit (2) are supplied power to it for control power supply (10).
5. a kind of high-power wireless charging device according to claim 1 is characterized in that: described LC electromagnetic resonant circuit (1) is that loosely coupled transformer is inserted with resonant capacitance (Cp) back in two inductance series connection backs.
6. a kind of high-power wireless charging device according to claim 1; It is characterized in that: described HF switch (3) is that two switching tubes insert two inductance in the LC electromagnetic resonant circuit (1) respectively, the conducting sequential and the duty ratio of central processing unit (6) control switch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100905762A CN102638089A (en) | 2012-03-30 | 2012-03-30 | High-power wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100905762A CN102638089A (en) | 2012-03-30 | 2012-03-30 | High-power wireless charging device |
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| CN102638089A true CN102638089A (en) | 2012-08-15 |
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| CN2012100905762A Pending CN102638089A (en) | 2012-03-30 | 2012-03-30 | High-power wireless charging device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730926A (en) * | 2013-12-17 | 2014-04-16 | 昆山欣海韵贸易有限公司 | Mouse type wireless charger |
| CN106160074A (en) * | 2016-07-01 | 2016-11-23 | 芜湖宝瓶智能化服务外包有限公司 | A kind of office, domestic desktop mancarried electronic aid wireless charging system |
| CN107485072A (en) * | 2016-06-09 | 2017-12-19 | 斯科特科技公司 | The enabled personal protection-gear of resonant radio power |
| CN108312880A (en) * | 2018-02-21 | 2018-07-24 | 李家琪 | A kind of remote controlled intelligent charging spot |
| CN113364101A (en) * | 2021-07-13 | 2021-09-07 | 中国建筑第四工程局有限公司 | Intelligent wireless charging system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09182322A (en) * | 1995-12-21 | 1997-07-11 | Tdk Corp | Non-contact type electric power transmission device |
| CN2850099Y (en) * | 2005-09-26 | 2006-12-20 | 珠海市共创有限公司 | High converting efficient contactless charger |
| WO2011010275A1 (en) * | 2009-07-21 | 2011-01-27 | Ondeo Industrial Solutions | Method for methanizing liquids or solids from industrial or urban effluents |
| CN102239619A (en) * | 2008-10-03 | 2011-11-09 | 捷通国际有限公司 | Power system |
-
2012
- 2012-03-30 CN CN2012100905762A patent/CN102638089A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09182322A (en) * | 1995-12-21 | 1997-07-11 | Tdk Corp | Non-contact type electric power transmission device |
| CN2850099Y (en) * | 2005-09-26 | 2006-12-20 | 珠海市共创有限公司 | High converting efficient contactless charger |
| CN102239619A (en) * | 2008-10-03 | 2011-11-09 | 捷通国际有限公司 | Power system |
| WO2011010275A1 (en) * | 2009-07-21 | 2011-01-27 | Ondeo Industrial Solutions | Method for methanizing liquids or solids from industrial or urban effluents |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730926A (en) * | 2013-12-17 | 2014-04-16 | 昆山欣海韵贸易有限公司 | Mouse type wireless charger |
| CN107485072A (en) * | 2016-06-09 | 2017-12-19 | 斯科特科技公司 | The enabled personal protection-gear of resonant radio power |
| CN106160074A (en) * | 2016-07-01 | 2016-11-23 | 芜湖宝瓶智能化服务外包有限公司 | A kind of office, domestic desktop mancarried electronic aid wireless charging system |
| CN106160074B (en) * | 2016-07-01 | 2019-01-15 | 江苏晶曌半导体有限公司 | It is a kind of office, household desktop mancarried electronic aid wireless charging system |
| CN108312880A (en) * | 2018-02-21 | 2018-07-24 | 李家琪 | A kind of remote controlled intelligent charging spot |
| CN113364101A (en) * | 2021-07-13 | 2021-09-07 | 中国建筑第四工程局有限公司 | Intelligent wireless charging system and method |
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Application publication date: 20120815 |