CN105262164A - Magnetic-resonance wireless charging system - Google Patents
Magnetic-resonance wireless charging system Download PDFInfo
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- CN105262164A CN105262164A CN201510667690.0A CN201510667690A CN105262164A CN 105262164 A CN105262164 A CN 105262164A CN 201510667690 A CN201510667690 A CN 201510667690A CN 105262164 A CN105262164 A CN 105262164A
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- Y02B60/50—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a magnetic-resonance wireless charging system which comprises a wireless charging transmitter and a wireless charging receiver. The structure of the wireless charging transmitter is characterized in that an input filtering module, a second DC/DC conversion module, an amplifying module and a transmitting coil are successively connected; the input filtering module is connected with a first DC/DC conversion module; a first control module is connected with the first DC/DC conversion module, the second DC/DC conversion module, an oscillating module and a first communication module; and the oscillating module is connected with the amplifying module. The structure of the wireless charging receiver is characterized in that the a receiving coil is connected with a filtering and rectifying module; a second control module is connected with the filtering rectifying module and a second communication module; and the filtering and rectifying module outputs electric power to electric power consumption equipment. The magnetic-resonance wireless charging system realizes wireless charging to intelligent equipment, and furthermore has advantages of relatively long chargeable distance, relatively low requirement for a charging position accuracy, effective realization for simultaneously charging multiple sets of equipment, effective energy saving, etc.
Description
Technical field
The present invention relates to wireless charging technical field, particularly relate to a kind of magnetic resonance wireless charging system.
Background technology
Smart machine is generally applied in the life of people, and play extremely important role, but current smart machine mainly adopts the mode of wired charging, the existence of charging wire not only affects the clean and tidy and attractive in appearance of environment, use also extremely inconvenience, to multiple smart machine (flat board, mobile phone, intelligent watch etc.) charging, multiple charging wire interface (socket end) is needed if need simultaneously, therefore cannot to some smart machines charging wherein when charging wire interface is inadequate.
Summary of the invention
Main purpose of the present invention is to provide a kind of magnetic resonance wireless charging system, is intended to for smart machine provides wireless charging.
For achieving the above object, the invention provides a kind of magnetic resonance wireless charging system, comprise wireless charging reflector and wireless charging receiver, described wireless charging reflector comprises input filter module, a DC/DC conversion module, the 2nd DC/DC conversion module, the first control module, amplification module, oscillation module, transmitting coil, the first communication module, and described wireless charging receiver comprises receiving coil, filter rectification module, the second control module, the second communication module; Described input filter module, the 2nd DC/DC conversion module, amplification module, transmitting coil connect successively, described input filter module is also connected with a DC/DC conversion module, described first control module is connected with a DC/DC conversion module, the 2nd DC/DC conversion module, oscillation module, the first communication module respectively, and described oscillation module is also connected with amplification module; Described receiving coil and filter rectification model calling, described second control module is connected with filter rectification module, the second communication module respectively, and described filter rectification module out-put supply is to power consumption equipment.
Preferably, described wireless charging receiver also comprises the 3rd DC/DC conversion module, described 3rd DC/DC conversion module and filter rectification model calling, for the out-put supply transformation of filter rectification module to be applicable to power consumption equipment.
Preferably, described 2nd DC/DC conversion module comprises Signal-controlled switch, and described Signal-controlled switch is connected with the first control module, for receiving the control signal of the first control module and controlling the output of the 2nd DC/DC conversion module power supply according to control signal.
Preferably, the first communication module and the second communication module are bluetooth.
Preferably, described filter rectification module comprises ac filter unit, rectification unit, DC filtering unit, described rectification unit is connected with ac filter unit, DC filtering unit respectively, described ac filter unit is connected with receiving coil, and described DC filtering unit is connected with the 3rd DC/DC conversion module.
Preferably, described oscillation module exports the impulse wave of 6.78MHZ.
Preferably, described amplification module adopts E class power amplifier amplifying circuit.
Wireless charging receiver putting position of the present invention is more flexible, without the need to aiming at wireless charging reflector, from wireless charging reflector farthest charging distance can reach about 50mm, and wireless charging receiver size is little, more smart machine can be allowed to put together and charge simultaneously; Simultaneously magnetic resonance wireless charging system has the function of Charge Management, after battery is filled by bluetooth can automatically by this information feed back to transmitting terminal controller, transmitting terminal stops action of charging, and effectively controls power consumption, power and energy saving; Magnetic resonance wireless charging system of the present invention can be widely used in the ground such as hotel, airport, train, goes out to charge at any time, avoids carrying charger.
Accompanying drawing explanation
Fig. 1 is the structural representation of magnetic resonance wireless charging system one embodiment of the present invention;
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of magnetic resonance wireless charging system, with reference to Fig. 1, in this embodiment, described magnetic resonance wireless charging system comprises wireless charging reflector and wireless charging receiver, described wireless charging reflector comprises input filter module, a DC/DC conversion module, the 2nd DC/DC conversion module, the first control module, amplification module, oscillation module, transmitting coil, the first communication module, and described wireless charging receiver comprises receiving coil, filter rectification module, the second control module, the second communication module; The input of described input filter module is connected with DC power supply, and for filtering the AC signal in DC power supply, its output is connected with a DC/DC conversion module and the 2nd DC/DC conversion module; A described DC/DC conversion module is used for providing power supply to the first control module, and described 2nd DC/DC conversion module is used for providing power supply to amplification module, and it comprises the Signal-controlled switch exported for controlling the 2nd DC/DC conversion module power supply; First control module is connected with Signal-controlled switch, oscillation module respectively, for the output frequency of control signal control switch and oscillation module; The output of described oscillation module is connected with amplification module, described amplification module is for amplifying the output signal of oscillation module, make signal stronger, the output of described amplification module is connected with transmitting coil, described transmitting coil is by electromagnetic wave to receiving coil transferring energy, and the input of described first control module is connected with the first communication module; The output of described receiving coil and filter rectification model calling, the output of described filter rectification module is connected with the 3rd DC/DC conversion module, described second control module is connected with filter rectification module, the second communication module respectively, and described 3rd DC/DC conversion module out-put supply is to power consumption equipment.
First communication module and the second communication module are bluetooth.Described filter rectification module comprises ac filter unit, rectification unit, DC filtering unit, described rectification unit is connected with ac filter unit, DC filtering unit respectively, described ac filter unit is connected with receiving coil, described DC filtering unit is connected with the 3rd DC/DC conversion module, can obtain more galvanic current source like this; Described amplification module can adopt E class power amplifier amplifying circuit.
Described wireless charging receiver is also provided with output interface, described output interface is connected with the 3rd DC/DC conversion module, for connecting with power consumption equipment and being separated, so just, can without the need to wireless charging receiver being arranged on the inside of power consumption equipment, increase the volume of power consumption equipment, the mobile phone without wireless charging function also can be allowed also can to carry out wireless charging simultaneously.
Magnetic resonance wireless charging system of the present invention adopts A4WP communication protocol standard, and described oscillation module exports the impulse wave of 6.78MHZ.During use, after AC signal in input filter modular filtration DC power supply, DC power supply after filtration is outputted to a DC/DC conversion module and the 2nd DC/DC conversion module, the power supply for the first control module is exported after one DC/DC conversion module transformation, the power supply for amplification module is exported after 2nd DC/DC conversion module transformation, after oscillation module produces the signal needed for charging, by amplification module amplifying signal, then amplifying signal is sent to receiving coil by transmitting coil, described first control module can control the 2nd DC/DC conversion module internal circuit break-make in case the 2nd DC/DC conversion module export not out-put supply to amplification module, described first communication module is for receiving the present charge state information of wireless charging receiver transmission and being sent to the first control module, if present charge state information is for be full of, then the first control module controls the 2nd DC/DC conversion module not out-put supply, or, current wireless charging reflector is to multiple wireless charging receiver transmitting energy, then the first control module sends the information suspending charging to wireless charging receiver by the first communication module, after wireless charging receiver receives this information, control filter rectification module by the second control module and suspend out-put supply, above-mentioned power-off protection effectively controls power consumption, the problem such as overvoltage and overheated and power-off, thus make overload and overheat protector safety and reliability, the extreme power supply of reflector and receiver is avoided to damage and high temperature.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. a magnetic resonance wireless charging system, comprise wireless charging reflector and wireless charging receiver, it is characterized in that, described wireless charging reflector comprises input filter module, a DC/DC conversion module, the 2nd DC/DC conversion module, the first control module, amplification module, oscillation module, transmitting coil, the first communication module, and described wireless charging receiver comprises receiving coil, filter rectification module, the second control module, the second communication module; Described input filter module, the 2nd DC/DC conversion module, amplification module, transmitting coil connect successively, described input filter module is also connected with a DC/DC conversion module, described first control module is connected with a DC/DC conversion module, the 2nd DC/DC conversion module, oscillation module, the first communication module respectively, and described oscillation module is also connected with amplification module; Described receiving coil and filter rectification model calling, described second control module is connected with filter rectification module, the second communication module respectively, and described filter rectification module out-put supply is to power consumption equipment.
2. magnetic resonance wireless charging system as claimed in claim 1, it is characterized in that, described wireless charging receiver also comprises the 3rd DC/DC conversion module, described 3rd DC/DC conversion module and filter rectification model calling, for the out-put supply transformation of filter rectification module to be applicable to power consumption equipment.
3. magnetic resonance wireless charging system as claimed in claim 1, it is characterized in that, described 2nd DC/DC conversion module comprises Signal-controlled switch, described Signal-controlled switch is connected with the first control module, for receiving the control signal of the first control module and controlling the output of the 2nd DC/DC conversion module power supply according to control signal.
4. magnetic resonance wireless charging system as claimed in claim 1, it is characterized in that, the first communication module and the second communication module are bluetooth.
5. magnetic resonance wireless charging system as claimed in claim 2, it is characterized in that, described filter rectification module comprises ac filter unit, rectification unit, DC filtering unit, described rectification unit is connected with ac filter unit, DC filtering unit respectively, described ac filter unit is connected with receiving coil, and described DC filtering unit is connected with the 3rd DC/DC conversion module.
6. magnetic resonance wireless charging system as claimed in claim 1, is characterized in that, described oscillation module exports the impulse wave of 6.78MHZ.
7. magnetic resonance wireless charging system as claimed in claim 1, is characterized in that, described amplification module adopts E class power amplifier amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667690.0A CN105262164A (en) | 2015-10-16 | 2015-10-16 | Magnetic-resonance wireless charging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667690.0A CN105262164A (en) | 2015-10-16 | 2015-10-16 | Magnetic-resonance wireless charging system |
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| CN105262164A true CN105262164A (en) | 2016-01-20 |
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| CN201510667690.0A Pending CN105262164A (en) | 2015-10-16 | 2015-10-16 | Magnetic-resonance wireless charging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528720A (en) * | 2018-05-03 | 2018-09-14 | 徐振钢 | Shared unmanned plane classified-refuse recovery system and its working method suitable for scenic spot |
| CN110474441A (en) * | 2019-09-19 | 2019-11-19 | 蓝沛光线（上海）电子科技有限公司 | A kind of wireless charging emitter |
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| CN101924387A (en) * | 2010-09-21 | 2010-12-22 | 福州大学 | Feedback type wireless charger |
| KR20130117039A (en) * | 2012-04-17 | 2013-10-25 | 삼성전자주식회사 | Method and apparatus for wireless power transmission and apparatus for wireless power reception |
| CN104037918A (en) * | 2014-07-08 | 2014-09-10 | 江苏天行健汽车科技有限公司 | Wireless charging system and method for magnetic resonance type vehicle-mounted mobile terminal |
| CN205029391U (en) * | 2015-10-16 | 2016-02-10 | 惠州硕贝德无线科技股份有限公司 | Wireless charging system of magnetic resonance |
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2015
- 2015-10-16 CN CN201510667690.0A patent/CN105262164A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924387A (en) * | 2010-09-21 | 2010-12-22 | 福州大学 | Feedback type wireless charger |
| KR20130117039A (en) * | 2012-04-17 | 2013-10-25 | 삼성전자주식회사 | Method and apparatus for wireless power transmission and apparatus for wireless power reception |
| CN104037918A (en) * | 2014-07-08 | 2014-09-10 | 江苏天行健汽车科技有限公司 | Wireless charging system and method for magnetic resonance type vehicle-mounted mobile terminal |
| CN205029391U (en) * | 2015-10-16 | 2016-02-10 | 惠州硕贝德无线科技股份有限公司 | Wireless charging system of magnetic resonance |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528720A (en) * | 2018-05-03 | 2018-09-14 | 徐振钢 | Shared unmanned plane classified-refuse recovery system and its working method suitable for scenic spot |
| CN110474441A (en) * | 2019-09-19 | 2019-11-19 | 蓝沛光线（上海）电子科技有限公司 | A kind of wireless charging emitter |
| CN110474441B (en) * | 2019-09-19 | 2024-07-12 | 苏州蓝沛无线通信科技有限公司 | Wireless charging transmitting device |
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