CN107947380A - A kind of wireless charging power-supply system and method that 20V pressure adjustment adaptors are arrived based on 3.6 - Google Patents
A kind of wireless charging power-supply system and method that 20V pressure adjustment adaptors are arrived based on 3.6 Download PDFInfo
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- CN107947380A CN107947380A CN201710083743.3A CN201710083743A CN107947380A CN 107947380 A CN107947380 A CN 107947380A CN 201710083743 A CN201710083743 A CN 201710083743A CN 107947380 A CN107947380 A CN 107947380A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000005121 nitriding Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Abstract
The present invention relates to wireless charging field.For technical problem existing in the prior art, the present invention provides a kind of wireless charging power-supply system and method that 20V pressure adjustment adaptors are arrived based on 3.6.The system or method reduce the series of the power conversion in wireless charging system, improve whole wireless charging power-supply system transfer efficiency by that will change the pressure adjustment adaptor into dynamic voltage adjustment buck/boost devices by 5V/9V adapters in the prior art.The alternating current that pressure adjustment adaptor of the present invention is used to input is converted to low dc voltage；Wireless charging transmitting terminal is used to pressure adjustment adaptor output low dc voltage is changed and exported；Wireless charging receiving terminal receives wireless charging transmitting terminal by electromagnetic coupled mode and exports signal, charges after then carrying out signal conversion to load；Pressure adjustment adaptor is connected by D+ data cables, the D data cables of USB port with using the wireless transmission side controller of QC3.0 standards.
Description
Technical field
The present invention relates to wireless charging field, especially a kind of wireless charging power supply that 20V pressure adjustment adaptors are arrived based on 3.6
System and method.
Background technology
It is existing there are a kind of wireless charging power system approach, structure diagram is as shown in Figure 1, be wireless wherein in dotted line frame
Charge transmitting terminal power-supply system：Alternating current is converted to what is fixed output or can configure by the program by first order adapter circuit
Output voltage（5-12V）, for wireless charging system, inversion system is using full-bridge/half-bridge conversion circuit in different outputs
In the case of power grade, fixed adapter output voltage is difficult to meet the needs of wireless charging transmitting terminal is to electric power system,
To achieve the purpose that dynamic adjustment inversion input power, existing scheme, which uses to increase between adapter and inverter, all the way may be used
The method of the buck or boost conversion circuits of dynamic voltage adjustment, this scheme can be up to the defeated of more subtly dynamic regulation inverter
Enter the purpose of voltage, but be the increase in the series of circuit for power conversion, reduce system effectiveness.
The content of the invention
The technical problems to be solved by the invention are：For wireless charging power-supply system power conversion stage number in the prior art
It is more, the technical problem of wireless charging power-supply system inefficiency, there is provided a kind of to arrive the wireless of 20V pressure adjustment adaptors based on 3.6
Charge power supply system and method.The system with dynamic voltage adjustment buck/boost devices by that will change 5V/9V adapters in the prior art
Into the pressure adjustment adaptor, the series of the power conversion in wireless charging system is reduced, improves whole wireless charging power supply system
System transfer efficiency.Further, pressure adjustment adaptor can pass through the D+ of USB port, D- data cables and wireless charging in the system
Transmitting terminal controller communication realizes output voltage dynamic regulation.
The technical solution adopted by the present invention is as follows：
A kind of wireless charging power-supply system based on 3.6 to 20V pressure adjustment adaptors includes：
Wireless charging transmitting terminal and wireless charging receiving terminal；Wherein, wireless charging transmitting terminal, for pressure adjustment adaptor to be exported
Low dc voltage is changed and exported；Wireless charging receiving terminal, launches for receiving wireless charging by electromagnetic coupled mode
End output signal, charges after then carrying out signal conversion to load；The D+ data that wherein pressure adjustment adaptor passes through USB port
Line, D- data cables are connected with using the wireless transmission side controller of QC3.0 standards；By 5v to 9v o adapters and buck/
Boost dynamic voltage adjustment devices are replaced with pressure adjustment adaptor, and two-stage power conversion device is reduced to level-one power conversion apparatus；Pressure regulation
The alternating current of input is converted to low dc voltage by adapter；The low dc voltage range of signal is 3.6 to arrive 20V；The invention will
5V/9V adapters change wide scope into buck/boost dynamic voltage adjustment devices in the prior art（Range of regulation is 3.6V to 20V）Adjust
Adapter is pressed, the series of the power conversion in wireless charging system is reduced, improves filling for whole wireless charging power-supply system
Electrical efficiency.
Further, the pressure adjustment adaptor is flyback converter, wireless transmission side controller and flyback converter
Control terminal connects.
Further, the pressure adjustment adaptor agreement supports QC2.0 and QC3.0.
Further, the USB port is the interface using rapid nitriding QC3.0 and QC2.0 standard.
A kind of wireless charging power source method based on 3.6 to 20V pressure adjustment adaptors includes：
Step 1：The alternating current of input is converted to by low dc voltage by pressure adjustment adaptor；The low dc voltage range of signal is
3.6 arrive 20V；
Step 2：Pressure adjustment adaptor output low dc voltage is changed and exported by wireless charging transmitting terminal；
Step 3：Wireless charging receiving terminal receives wireless charging transmitting terminal by electromagnetic coupled mode and exports signal, then carries out letter
Number conversion after charge to load；Wherein pressure adjustment adaptor is quick with using by D+ data cables, the D- data cables of USB port
The wireless transmission side controller connection of charging technique QC3.0 standards.
Further, the pressure adjustment adaptor is flyback converter, wireless transmission side controller and flyback converter
Control terminal connects.
Further, the pressure adjustment adaptor agreement supports QC2.0 and QC3.0.
Further, the USB port is the interface using rapid nitriding QC3.0 and QC2.0 standard.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
QC3.0 technologies are applied to the powersupply system of wireless charging system, significantly reduce power conversion stage number, are improved
System power transfer efficiency.
By design wide scope can the power supply adaptor of dynamic voltage adjustment will 5V/9V adapters and dynamic voltage adjustment in the prior art
Buck/boost devices change the pressure adjustment adaptor into, reduce the series of the power conversion in wireless charging system, improve whole
The charge efficiency of wireless charging power-supply system.
The program will be adjusted 5V/9V adapters with dynamic in the prior art under wireless phone charging adapter application background
Pressure buck/boost devices change the pressure adjustment adaptor into, reduce the series of the power conversion in wireless charging system, improve whole
The charge efficiency of a wireless charging power-supply system, effectively reduces circuit for power conversion series, reduces cost.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is prior art functional block diagram.
Fig. 2 is principle of the invention block diagram.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification, unless specifically stated, can be equivalent by other or with similar purpose
Alternative features are replaced.I.e., unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
Related description of the present invention：
1st, flyback converter control terminal refers to that flyback converter can be controlled, which to be operated in switch, closes and switch off two
The circuit unit in stage.
2nd, wireless charging transmitting terminal includes full-bridge/half-bridge inverter and LC resonance emission system etc.；Wireless charging receiving terminal
Including LC resonance reception system, rectifier and Buck/LDO adjusters etc., for powering load（Wireless charging transmitting terminal and
Wireless charging receiving terminal is all prior art module）.
3rd, wireless transmission side controller refers to realizing the processor of QC3.0 agreements and rapid charge algorithm, wirelessly
Transmitting side controller is to set pressure adjustment adaptor output voltage by D+, D- signal wire（The voltage range is 3.6V to 20V））
Operation principle：Deposit system power conversion stage number is more in order to solve in the prior art, and the relatively low technology of system effectiveness is asked
Topic, line voltage is modulated by the pressure adjustment adaptor after simplifying series, 3.6-20V voltages are converted to, then to wireless
The transmitting terminal that charges is powered, and wireless charging transmitting terminal carries out energy transmission with wireless charging receiving terminal by electromagnetic coupled mode, and
Charged by wireless charging receiving terminal to load.Wireless charging controller for setting adapter output voltage turns with inverse-excitation type
Parallel operation control terminal connects, and by the D+ of USB port, D- signal wires come real the wireless charging controller with flyback converter communication
Existing output voltage dynamic regulation.
A kind of wireless charging power-supply system based on 3.6 to 20V pressure adjustment adaptors includes：Alternating current for input is converted to
Low dc voltage pressure adjustment adaptor；Wireless charging for being changed and being exported pressure adjustment adaptor output low dc voltage is sent out
Penetrate end；Signal is exported for receiving wireless charging transmitting terminal by electromagnetic coupled mode, then to load after progress signal conversion
The wireless charging receiving terminal to charge；The D+ data cables, D- data cables and use that wherein pressure adjustment adaptor passes through USB port
The wireless transmission side controller connection of QC3.0 standards.The low dc voltage range of signal is 3.6 to arrive 20V.
The invention is not limited in foregoing embodiment.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (8)
1. a kind of wireless charging power-supply system that 20V pressure adjustment adaptors are arrived based on 3.6, including wireless charging transmitting terminal and wireless
Charge receiving terminal；Wherein, wireless charging transmitting terminal, for being changed and being exported pressure adjustment adaptor output low dc voltage；
Wireless charging receiving terminal, exports signal for receiving wireless charging transmitting terminal by electromagnetic coupled mode, then carries out signal and turn
Charge after changing to load；It is characterized in that 5v to 9v o adapters and buck/boost dynamic voltage adjustment devices are fitted with pressure regulation
Orchestration replaces, and two-stage power conversion device is reduced to level-one power conversion apparatus；Pressure adjustment adaptor, the alternating current for input turn
It is changed to low dc voltage；The low dc voltage range of signal is 3.6 to arrive 20V；The D+ that wherein pressure adjustment adaptor passes through USB port
Data cable, D- data cables are connected with using the wireless transmission side controller of QC3.0 standards.
2. a kind of wireless charging power-supply system that 20V pressure adjustment adaptors are arrived based on 3.6 according to claim 1, its feature
It is flyback converter to be the pressure adjustment adaptor, and wireless transmission side controller is connected with flyback converter control terminal.
3. a kind of wireless charging power-supply system that 20V pressure adjustment adaptors are arrived based on 3.6 according to claim 1, its feature
It is that the pressure adjustment adaptor agreement supports QC2.0 and QC3.0.
4. a kind of wireless charging power-supply system that 20V pressure adjustment adaptors are arrived based on 3.6 according to claim 1, its feature
It is the interface using rapid nitriding QC3.0 and QC2.0 standard to be the USB port.
5. based on a kind of wireless charging supply unit that 20V pressure adjustment adaptors are arrived based on 3.6 claim 1 to 5 described
Wireless charging power source method, it is characterised in that including：
Step 1：The alternating current of input is converted to by low dc voltage by pressure adjustment adaptor；The low dc voltage range of signal is
3.6 arrive 20V；
Step 2：Pressure adjustment adaptor output low dc voltage is changed and exported by wireless charging transmitting terminal；
Step 3：Wireless charging receiving terminal receives wireless charging transmitting terminal by electromagnetic coupled mode and exports signal, then carries out letter
Number conversion after charge to load；Wherein pressure adjustment adaptor is quick with using by D+ data cables, the D- data cables of USB port
The wireless transmission side controller connection of charging technique QC3.0 standards.
6. a kind of wireless charging power source method that 20V pressure adjustment adaptors are arrived based on 3.6 according to claim 1, its feature
It is flyback converter to be the pressure adjustment adaptor, and wireless transmission side controller is connected with flyback converter control terminal.
7. a kind of wireless charging power source method that 20V pressure adjustment adaptors are arrived based on 3.6 according to claim 1, its feature
It is that the pressure adjustment adaptor agreement supports QC2.0 and QC3.0.
8. a kind of wireless charging power source method that 20V pressure adjustment adaptors are arrived based on 3.6 according to claim 1, its feature
It is the interface using rapid nitriding QC3.0 and QC2.0 standard to be the USB port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083743.3A CN107947380A (en) | 2017-02-16 | 2017-02-16 | A kind of wireless charging power-supply system and method that 20V pressure adjustment adaptors are arrived based on 3.6 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083743.3A CN107947380A (en) | 2017-02-16 | 2017-02-16 | A kind of wireless charging power-supply system and method that 20V pressure adjustment adaptors are arrived based on 3.6 |
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| CN107947380A true CN107947380A (en) | 2018-04-20 |
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| CN201710083743.3A Pending CN107947380A (en) | 2017-02-16 | 2017-02-16 | A kind of wireless charging power-supply system and method that 20V pressure adjustment adaptors are arrived based on 3.6 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521153A (en) * | 2018-05-02 | 2018-09-11 | 深圳锐源微电子科技有限公司 | Wireless charging radiating circuit and wireless charging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694889A (en) * | 2009-10-20 | 2010-04-14 | 中兴通讯股份有限公司 | Intelligent charging method and device |
| CN104617620A (en) * | 2015-01-27 | 2015-05-13 | 山东共达电声股份有限公司 | Mobile power source and adapter |
| CN105098900A (en) * | 2015-08-05 | 2015-11-25 | 青岛海信移动通信技术股份有限公司 | Mobile terminal, direct charging power adapter and charging method |
| US20160056639A1 (en) * | 2014-08-25 | 2016-02-25 | NuVolta Technologies | Wireless Power Transfer System and Method |
| US20160094081A1 (en) * | 2014-09-26 | 2016-03-31 | Samsung Electronics Co., Ltd. | Wireless power transmitter and wireless power receiver |
-
2017
- 2017-02-16 CN CN201710083743.3A patent/CN107947380A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694889A (en) * | 2009-10-20 | 2010-04-14 | 中兴通讯股份有限公司 | Intelligent charging method and device |
| US20160056639A1 (en) * | 2014-08-25 | 2016-02-25 | NuVolta Technologies | Wireless Power Transfer System and Method |
| US20160094081A1 (en) * | 2014-09-26 | 2016-03-31 | Samsung Electronics Co., Ltd. | Wireless power transmitter and wireless power receiver |
| CN104617620A (en) * | 2015-01-27 | 2015-05-13 | 山东共达电声股份有限公司 | Mobile power source and adapter |
| CN105098900A (en) * | 2015-08-05 | 2015-11-25 | 青岛海信移动通信技术股份有限公司 | Mobile terminal, direct charging power adapter and charging method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521153A (en) * | 2018-05-02 | 2018-09-11 | 深圳锐源微电子科技有限公司 | Wireless charging radiating circuit and wireless charging device |
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Address after: 610000 Chengdu City, Sichuan Province, China (Sichuan) Free Trade Pilot Area Tianfu New District Xinglong Street Lakeside 303 Tianfu Jingrong Center A District 10 Building 4 West Side Applicant after: Chengdu Yichong Semiconductor Co., Ltd. Address before: 610000 South section of Tianfu Avenue, Tianfu New District, Chengdu City, Sichuan Province 2039 and 1609, 16th floor, Mei Haitang Center (Tianfu Chuangke) Applicant before: Chengdu Yi Chong Wireless Technology Co., Ltd. |
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Application publication date: 20180420 |