CN104505896A - Wireless charge control method and device - Google Patents
Wireless charge control method and device Download PDFInfo
- Publication number
- CN104505896A CN104505896A CN201410846103.XA CN201410846103A CN104505896A CN 104505896 A CN104505896 A CN 104505896A CN 201410846103 A CN201410846103 A CN 201410846103A CN 104505896 A CN104505896 A CN 104505896A
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- wireless charging
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- charging unit
- control method
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000007600 charging Methods 0.000 claims description 148
- 238000012549 training Methods 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H02J7/025—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a wireless charge control method and a wireless charge control device; the wireless charge device comprises a plurality of wireless charge units; the wireless charge control method comprises the steps: step A, the wireless charge units are set at a polling detection state, acquire sensing signals of the corresponding sense zones and transmit the sensing signals to a control unit; step B, the control unit compares the corresponding sensing signals of the plurality of wireless charge units; step C, a path between the wireless charge unit corresponding to the strongest sensing signal and a power supply unit is switched on. The wireless charge device comprises a plurality of the wireless charge units; when no terminal is charged, the wireless charge device detects whether a terminal is being charged in a polling manner; if so, the control unit receives the sensing signals of all wireless charge units, determines which wireless charge unit has the strongest sensing signal, switches on the circuit between the wireless charge unit and the power supply module and charges the terminal.
Description
Technical field
The present invention relates to wireless charging field, particularly relate to a kind of wireless charging control method and device.
Background technology
Meet WPC(Wireless Power Consortium, wireless charging alliance) wireless charging of QI standard is now more and more universal, onboard wireless charger also starts commercially to occur, WPC wireless charging principle, system is made up of transmitting terminal and receiving terminal, transmitting terminal mainly contains primary coil, communication and control unit, electric power transfer unit is formed, receiving terminal secondary coil, communication and control unit, power reception unit, load is formed, by electromagnetic induction technology, energy is transferred to receiving terminal secondary coil by primary coil, transmission frequency 112KHz--205KHz.
Because wireless charging WPC standard-required can only charge one to one, a charger is to a recipient, larger owing to jolting on car, user wishes larger charging area, as long as mobile phone is arbitrarily put into charger surface, just can give mobile phone, if and simple by side-by-side for two transmitting terminals, above a mobile phone is placed on, must confusion be caused, cannot normally work.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of wireless charging control method and device, a kind of charging area increasing wireless charging is provided, increase the mcu of a band iic bus function, the signal strength signal intensity detected of wireless charging module is read by IIC, contrast the signal strength signal intensity size that two wireless chargings obtain, thus power to the strong wireless charger of signal strength signal intensity, the wireless charger that cut-off signal intensity is weak.
In order to achieve the above object, this invention takes following technical scheme:
A kind of wireless charging control method, wireless charging device comprises multiple wireless charging unit, comprises step:
A: described wireless charging unit is arranged on training in rotation detected state, described multiple wireless charging unit gathers the induced signal of corresponding induction zone, and induced signal is transferred to control unit;
B: the induced signal that the more described multiple wireless charging unit of described control unit is corresponding;
C: connect the strongest wireless charging unit corresponding to induced signal and the path of power subsystem.
Described wireless charging control method, described training in rotation is detected as: take turns induced signal every multiple wireless charging unit collection one described in first scheduled time.
Described wireless charging control method, described first scheduled time is 200ms.
Described wireless charging control method, also comprises step:
D: after the path of wireless charging unit and power subsystem is connected, take turns induced signal every multiple wireless charging unit collection one described in second scheduled time;
E: the induced signal that the more described multiple wireless charging unit of described control unit is corresponding, connects the path of the strongest described wireless charging unit of induced signal and described power subsystem.
Described wireless charging control method, described second scheduled time is 400ms.
Described wireless charging control method, also comprise switch between described wireless charging unit and described power subsystem, described switch is also connected with described control unit.
Described wireless charging control method, described switch is metal-oxide-semiconductor; Be connected by IIC line between described control unit with described wireless charging unit.
Adopt a wireless charging device for described wireless charging control method, comprising:
Multiple wireless charging unit, for charging to terminal, and sense terminals signal;
Power subsystem, for providing terminal charge power supply for described multiple wireless charging unit;
Control unit, for receiving the induced signal of described wireless charging unit, and carries out the contrast of signal power, and then controls the break-make between described wireless charging unit and described power subsystem;
Described control unit connects respectively at described multiple wireless charging unit and power subsystem; Described power subsystem is also connected with described multiple described wireless charging unit respectively.
Described wireless charging device, also comprise switch between described wireless charging unit and described power subsystem, described switch is also connected with described control unit.
Described wireless charging device, described switch is metal-oxide-semiconductor; Be connected by IIC line between described control unit with described wireless charging unit.
Compared to prior art, a kind of wireless charging control method provided by the invention and device, wherein wireless charging device comprises multiple wireless charging unit, under not having terminal to carry out the situation of charging, whether the training in rotation of wireless charging unit detects has terminal to charge, if having, control unit just receives the induced signal of all wireless charging unit, judges the wireless charging unit that wherein induced signal is the strongest, and then connect the path of described wireless charging unit and power module, for terminal is charged; The application adds the quantity of wireless charging unit, and then increases the area that can carry out charging, and more can deal with the wireless charging such as car comparing situations such as jolting, be the tremendous improvement of this area.
Accompanying drawing explanation
The wireless charging control method flow chart that Fig. 1 provides for the application.
The wireless charging device structured flowchart that Fig. 2 provides for the application.
Embodiment
The invention provides a kind of wireless charging control method and device, for making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for 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.
Refer to Fig. 1, the application provides a kind of wireless charging control method, and wireless charging device comprises multiple wireless charging unit, comprising:
S100, described wireless charging unit are arranged on training in rotation detected state, and described multiple wireless charging unit gathers the induced signal of corresponding induction zone, and induced signal is transferred to control unit;
The induced signal that the more described multiple wireless charging unit of S200, described control unit is corresponding;
The path of S300, the strongest wireless charging unit corresponding to induced signal of connection and power subsystem.
Concrete, described terminal to be charged is the terminal with wireless charging function, such as, have the mobile phone of wireless charging function, to have the mobile phone of wireless charging function, in time not having mobile phone to be placed on charger, described wireless charging device is arranged on training in rotation detected state, mobile phone whether is had to be placed on preparation charging above wireless charging device for detecting, control unit receives the induced signal of all wireless charging unit, when mobile phone is placed on after on wireless charging device, when described multiple wireless charging unit receives the signal of mobile phone, all induced signals are compared by described control unit, wireless charging unit wherein corresponding to peak signal and power subsystem are connected, mobile phone is charged.Wherein, be describedly multiplely at least two.
Further, induced signal is taken turns every multiple wireless charging unit collection one described in first scheduled time.Namely carry out the monitoring of a mobile phone charging signals every first scheduled time all described wireless charging unit, preferably, described first scheduled time is 200ms.
Further, in charging process, the position of possible charging terminal may be moved to some extent, namely other wireless charging unit is needed to charge to charging terminal, so can reach optimum charging effect, therefore also comprise step one: after the path of wireless charging unit and power subsystem is connected, take turns induced signal every multiple wireless charging unit collection one described in second scheduled time; Step 2: the induced signal that the more described multiple wireless charging unit of described control unit is corresponding, connects the path of the strongest described wireless charging unit of induced signal and described power subsystem.Preferably, described second scheduled time is 400ms.
Further, consider that the more excellent control unit that makes controls also to comprise switch between described wireless charging unit and power subsystem, described switch is also connected with described control unit.Preferably, described switch is metal-oxide-semiconductor.; Concrete, be connected by IIC line between described control unit with described wireless charging unit, IIC line can optimize the intensity of the induced signal reading each wireless charging unit.
See also Fig. 2, the application also provides a kind of wireless charging device, comprising:
Multiple wireless charging unit 100, for charging to terminal, and sense terminals signal;
Power subsystem 200, for providing terminal charge power supply for described multiple wireless charging unit 100;
Control unit 300, for receiving the induced signal of described multiple wireless charging unit 100, and carries out the contrast of signal power, and then controls the break-make between wireless charging unit 100 and described power subsystem 200;
Described control unit 300 connects respectively at described multiple wireless charging unit 100 and power subsystem 200; Described power subsystem 200 is also connected with described multiple described wireless charging unit 100 respectively.Wherein, with IIC(Inter-Integrated Circuit between described control unit 300 and described wireless charging unit, integrated circuit (IC) bus) line connection, and by described IIC Xi'an transmission induced signal.Wherein saidly multiplely be at least two.
Further, also comprise switch 400 between described wireless charging unit and described power subsystem, described switch 400 is also connected with described control unit.Preferably, described switch 400 is metal-oxide-semiconductor, is connected between described control unit 300 with described wireless charging unit 100 by IIC line.
Below there is the wireless charging device of two wireless charging unit and there is the mobile phone of wireless charging function, illustrate in conjunction with the application's supplying method and device:
When not having described mobile phone to be placed on described wireless charging device, control unit receives once the induced signal of two described wireless charging unit every 200ms by IIC order; When there being described mobile phone to be placed on wireless charging device, described wireless charging unit inspection is to mobile phone signal, the induced signal that described control unit reads two described charhing units is compared, and is connected by wireless charging unit strong for signal, realizes the charging to mobile phone with power subsystem; In charging process, receive the once mobile phone signal that arrives of two wireless charging unit inspections every 400ms control unit, and compare, remain and wireless charging unit strong for wherein induced signal is connected with power subsystem.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection range that all should belong to the claim appended by the present invention.
Claims (10)
1. a wireless charging control method, is characterized in that, wireless charging device comprises multiple wireless charging unit, comprises step:
A: described wireless charging unit is arranged on training in rotation detected state, described multiple wireless charging unit gathers the induced signal of corresponding induction zone, and induced signal is transferred to control unit;
B: the induced signal that the more described multiple wireless charging unit of described control unit is corresponding;
C: connect the strongest wireless charging unit corresponding to induced signal and the path of power subsystem.
2. wireless charging control method according to claim 1, is characterized in that, described training in rotation is detected as: take turns induced signal every multiple wireless charging unit collection one described in first scheduled time.
3. wireless charging control method according to claim 2, is characterized in that, described first scheduled time is 200ms.
4. wireless charging control method according to claim 1, is characterized in that, also comprise step:
D: after the path of wireless charging unit and power subsystem is connected, take turns induced signal every multiple wireless charging unit collection one described in second scheduled time;
E: the induced signal that the more described multiple wireless charging unit of described control unit is corresponding, connects the path of the strongest described wireless charging unit of induced signal and described power subsystem.
5. wireless charging control method according to claim 1, is characterized in that, described second scheduled time is 400ms.
6. wireless charging control method according to claim 1, is characterized in that, also comprise switch between described wireless charging unit and described power subsystem, described switch is also connected with described control unit.
7. wireless charging control method according to claim 2, is characterized in that, described switch is metal-oxide-semiconductor; Be connected by IIC line between described control unit with described wireless charging unit.
8. adopt a wireless charging device for wireless charging control method according to claim 1, it is characterized in that, comprising:
Multiple wireless charging unit, for charging to terminal, and sense terminals signal;
Power subsystem, for providing terminal charge power supply for described multiple wireless charging unit;
Control unit, for receiving the induced signal of described multiple wireless charging unit, and carries out the contrast of signal power, and then controls the break-make between described wireless charging unit and described power subsystem;
Described control unit connects respectively at described multiple wireless charging unit and power subsystem; Described power subsystem is also connected with described multiple described wireless charging unit respectively.
9. wireless charging device according to claim 8, is characterized in that, also comprise switch between described wireless charging unit and described power subsystem, described switch is also connected with described control unit.
10. wireless charging device according to claim 9, is characterized in that, described switch is metal-oxide-semiconductor; Be connected by IIC line between described control unit with described wireless charging unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846103.XA CN104505896B (en) | 2014-12-31 | 2014-12-31 | A kind of wireless charging control method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410846103.XA CN104505896B (en) | 2014-12-31 | 2014-12-31 | A kind of wireless charging control method and device |
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| CN104505896A true CN104505896A (en) | 2015-04-08 |
| CN104505896B CN104505896B (en) | 2017-10-31 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105024436A (en) * | 2015-08-17 | 2015-11-04 | 苏州宝润电子科技有限公司 | Double detection of wireless charging system |
| CN108450044A (en) * | 2015-11-10 | 2018-08-24 | Lg伊诺特有限公司 | Multi-coil wireless charging method and its device and system |
| CN109193838A (en) * | 2018-09-20 | 2019-01-11 | 深圳市鑫研创科技有限公司 | A kind of double charging circuits of wireless charging and the more charging circuits of wireless charging |
| CN111030201A (en) * | 2018-10-10 | 2020-04-17 | Oppo广东移动通信有限公司 | Wireless charging device, method, storage medium and electronic equipment |
| CN113492705A (en) * | 2021-07-14 | 2021-10-12 | 福建星云电子股份有限公司 | Noninductive charging method for charging pile |
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| CN102130514A (en) * | 2011-03-30 | 2011-07-20 | 上海北京大学微电子研究院 | Wireless power supply device of diagnosis and treatment system |
| CN103259297A (en) * | 2012-02-17 | 2013-08-21 | 联想(北京)有限公司 | Wireless charging control method and wireless charging device |
| CN203166636U (en) * | 2013-03-08 | 2013-08-28 | 惠州志顺电子实业有限公司 | Wireless charging system and wireless electric power emission device |
| CN103475056A (en) * | 2008-03-07 | 2013-12-25 | 佳能株式会社 | Charging apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105024436A (en) * | 2015-08-17 | 2015-11-04 | 苏州宝润电子科技有限公司 | Double detection of wireless charging system |
| CN108450044A (en) * | 2015-11-10 | 2018-08-24 | Lg伊诺特有限公司 | Multi-coil wireless charging method and its device and system |
| CN109193838A (en) * | 2018-09-20 | 2019-01-11 | 深圳市鑫研创科技有限公司 | A kind of double charging circuits of wireless charging and the more charging circuits of wireless charging |
| CN111030201A (en) * | 2018-10-10 | 2020-04-17 | Oppo广东移动通信有限公司 | Wireless charging device, method, storage medium and electronic equipment |
| CN113492705A (en) * | 2021-07-14 | 2021-10-12 | 福建星云电子股份有限公司 | Noninductive charging method for charging pile |
| CN113492705B (en) * | 2021-07-14 | 2023-01-10 | 福建星云电子股份有限公司 | Noninductive charging method for charging pile |
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| CN104505896B (en) | 2017-10-31 |
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