CN105429306B - A kind of wireless charging energy output device and its charging method - Google Patents
A kind of wireless charging energy output device and its charging method Download PDFInfo
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- CN105429306B CN105429306B CN201510824602.3A CN201510824602A CN105429306B CN 105429306 B CN105429306 B CN 105429306B CN 201510824602 A CN201510824602 A CN 201510824602A CN 105429306 B CN105429306 B CN 105429306B
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Abstract
The present invention provides a kind of wireless charging energy output device and its charging methods, the wireless charging energy output device includes power conversion module, coil group module and control circuit module, the control circuit module includes main control module and sub- control module, the main control module is connected by high-frequency energy with signal cable with sub- control module, carries out signal communication；The power conversion module and sub- control module are located at one end of the high-frequency energy and signal cable, and coil group module and main control module are located at the other end of the high-frequency energy and signal cable；The high-frequency energy and signal cable include the first high frequency power conducting wire, the second high frequency power conducting wire and at least one signal transmission wire.Using technical solution of the present invention, the heat of wireless charging area is greatly reduced, reduces the temperature that receiving device is heated, protects receiving device electronic device and lithium secondary battery, and simple and compact for structure, meets the growth requirement of miniaturization, slimming.
Description
Technical field
The invention belongs to wireless charging technical field, it is related to a kind of wireless charging energy output device and its charging method,
More particularly to a kind of multi-coil wireless charger and its charging method that distributed AC servo system is realized using signal transmission wire.
Background technique
Currently, the wireless charger of multi-thread ring is widely used in charging field, multi-thread ring wireless charging gradually
The purpose of realization of device is to allow user more can arbitrarily put receiving device and can use wireless charging function.In fact
Existing mode be there are multiple coils, and in the wireless charger of multi-thread ring matched circuit according to certain time interval by
One, which controls some coil, issues inquiry signal, will recycle down if not receiving and correctly responding, correct if there is receiving
Response will allow this coil issue wireless charging energy realize wireless charging, if do not receive correctly respond will cut
It changes to next coil to be inquired, circuits sequentially switching until inquiring correct receiving device.
As shown in Figure 1, being a kind of functional block diagram of implementation of multi-thread ring wireless charger, the multi-thread ring
The functional module of wireless charger includes power conversion module, control circuit module, coil group module, the power conversion module
For high-frequency alternating current needed for direct current is converted to wireless charging, the coil group module has multiple independent wireless chargings
Electric coil and the single pole multiple throw for selecting some Wireless charging coil, the control circuit module become for controlling the power supply
Change the mold the operating mode of block and the function of the control single pole multiple throw selection.
It is as also shown in fig. 2, it is the functional block diagram of another implementation of the multi-thread ring wireless charger, it is described
The functional module of multi-thread ring wireless charger includes power conversion module group, control circuit module, coil group module, the electricity
Source conversion module group has multiple power conversion modules, and the power conversion module is used to direct current being converted to wireless charging institute
The high-frequency alternating current needed, the coil group module has multiple independent Wireless charging coils, and each described power supply becomes
It changes the mold block to be electrically connected with corresponding one Wireless charging coil, the control circuit module is for controlling the power conversion
The operating mode of module group, the control circuit module can control some described power conversion module work individually to real
The existing corresponding Wireless charging coil issues wireless charging energy.
The characteristics of current multi-thread ring wireless charger is the circuit board with power conversion module and control circuit module,
But it will be fixed on the underface or side of coil, and the reason for this is that: there is N number of coil just to have N*2 coil sealing wire, because
The circuit board must be fixed on the place as close as possible to coil in order to welding by this.
But so, the amount of heat that power conversion module generates at work can be directly passed to receiving device,
The equipment of especially built-in lithium secondary battery, causes the service life rapid decay of lithium secondary battery, and cause user feel compared with
High temperature generates discomfort, and product thickness is difficult to reduce.
Summary of the invention
Against the above technical problems, the invention discloses a kind of wireless charging energy output device and its charging method, energy
The heat of wireless charging area is greatly lowered, reduces the temperature that receiving device is heated, reaches protection receiving device electronics device
The outstanding effect of part and lithium secondary battery service life, and alleviate the technical issues of high heat limits output power.
In this regard, the technical solution adopted by the present invention are as follows:
A kind of novel radio charger, including power conversion module, coil group module and control circuit module, the control
Circuit module includes main control module and sub- control module, and the main control module and sub- control module pass through high-frequency energy and letter
Number cable connection carries out signal communication；The power conversion module and sub- control module are located at the high-frequency energy and signal electricity
One end of cable, coil group module and main control module are located at the other end of the high-frequency energy and signal cable；The high-frequency energy
Amount and signal cable include the first high frequency power conducting wire, the second high frequency power conducting wire and at least one signal transmission wire.
It adopts this technical solution, entire control circuit module is divided into two parts, respectively main control module and son control
Molding block, main control module and sub- control module realize letter by the signal transmission wire in the high-frequency energy and signal cable
Number connection, carries out signal communication and control；The power conversion module is controlled by the sub- control module and generates wireless charging institute
High-frequency alternating current is needed, the coil group module is then passed to by the high frequency power conducting wire, while by the master control molding
The switch that block controls the coil group module realizes that the conducting to single coil selects, thus realize wireless charging function, structure
It is simpler compact, meet the growth requirement of miniaturization, slimming, while considerably reducing the heat of wireless charging area,
The temperature that receiving device is heated is reduced, the outstanding effect of protection receiving device electronic device and lithium secondary battery service life is reached
Fruit, and alleviate the technical issues of high heat limits output power.In existing wireless charging technology, there is presently no uses
This cable carries out signal and energy transmission, realizes signal control.
Because power conversion module and coil group module can all issue a large amount of heat during the charging process, using this technology
Scheme is by being separately positioned on the height for the power conversion module and sub- control module, coil group module and main control module
The separation to power conversion module and coil group module is realized at the both ends of frequency energy and signal cable, between the two using described
High-frequency energy and signal cable carry out signal communication and energy transmission, and the more uniform dispersion of heat that charging process generates will not
Heat is caused to concentrate, preferably protection is electrically charged the electronic device and lithium secondary battery of equipment, improves the electricity for being electrically charged equipment
The service life of sub- device and lithium secondary battery.
As a further improvement of the present invention, the power conversion module and sub- control module are set to same circuit board
On, the coil group module and main control module are set on another piece of circuit board.
As a further improvement of the present invention, the coil group module includes that at least two wireless charging energy export
Coil, switch element and resonant capacitance；The coil of at least two wireless chargings energy output overlaps in space；The master
Control module is electrically connected with the control terminal of switch element and is electrically connected with the signal output end of each coil, described first
The first end of high frequency power conducting wire, the first end of the second high frequency power conducting wire are electrically connected with each coil, and described first is high
The first end of frequency power conductor passes through coil and resonance capacitance connection to the first end of the second high frequency power conducting wire；Described first is high
The second end of frequency power conductor, the second end of the second high frequency power conducting wire are electrically connected with the power conversion module；The signal
One end of transfer wire is electrically connected with the main control module, and the other end is electrically connected with the sub- control module, the sub- control
Molding block is electrically connected with the control terminal of the power conversion module.Wherein, the line of at least two wireless chargings energy output
It is angled therebetween between circle to overlap in space.
As a further improvement of the present invention, the signal transmitted on the signal transmission wire is and the power conversion mould
The relevant original PWM signals of the output power of block, by frequency dividing or frequency multiplication pwm signal or digital signal.
As a further improvement of the present invention, the signal transmitted on the signal transmission wire is voltage signal, electric current letter
Number, carrier signal or digital signal.
As a further improvement of the present invention, the signal transmitted on the signal transmission wire is voltage signal or electric current letter
Number, the voltage signal or current signal are variable or alternation.
The present invention also provides a kind of method to be charged using wireless charging energy output device as described above, nothings
Line charge electric flux reception device is equipped with wireless charging energy acceptance regional center, and the wireless charging energy output device is to wireless
Method that rechargeable energy reception device charges the following steps are included: switch element described in the main control module on-off with true
Which fixed coil near wireless charging energy acceptance device wireless charging energy acceptance regional center, and by the coil
It is chosen to be energy output winding, the master controller passes to energy output further according to the wireless charging energy acceptance device
The energy adjustment information signal of coil controls power supply described in the sub- control module de-regulation by the signal transmission wire and becomes
Change the mold the output power of block.
As a further improvement of the present invention, the coil group module includes that at least two wireless charging energy export
Coil, switch element and public resonant capacitance；The coil of at least two wireless chargings energy output overlaps in space；Institute
It states main control module to be electrically connected with the control terminal of switch element, the of one end of the first high frequency power conducting wire and each coil
One end electrical connection, the other end of the first high frequency power conducting wire are electrically connected with the power conversion module；Second high frequency
One end of power conductor is electrically connected with the first end of the public resonant capacitance, the other end of the second high frequency power conducting wire with
The power conversion module electrical connection, the second end of the public resonant capacitance are electrically connected with the second end of each coil；
The second end of the public resonant capacitance is electrically connected with main control module, the sub- control module and the power conversion module
Control terminal electrical connection；The first end of the signal transmission wire is electrically connected with the main control module, the signal transmission wire
Second end be electrically connected with the sub- control module.Wherein, between the coil of at least two wireless chargings energy output mutually
It is overlapped in space at angle.
As a further improvement of the present invention, the signal transmitted on the signal transmission wire is and the power conversion mould
The relevant original PWM signals of the output power of block, by frequency dividing or frequency multiplication pwm signal or digital signal.
As a further improvement of the present invention, the signal transmitted on the signal transmission wire is voltage signal, electric current letter
Number, carrier signal or digital signal.
As a further improvement of the present invention, the signal transmitted on the signal transmission wire is voltage signal or electric current letter
Number, the value of the voltage signal is variable or alternation, and the numerical value of the current signal is monotone variation or alternation.
The present invention also provides a kind of method to be charged using wireless charging energy output device as described above, nothings
Line charge electric flux reception device is equipped with wireless charging energy acceptance regional center, and the wireless charging energy output device is to wireless
Method that rechargeable energy reception device charges the following steps are included: switch element described in the main control module on-off with true
Which fixed coil near wireless charging energy acceptance device wireless charging energy acceptance regional center, and by the coil
It is chosen to be energy output winding, the wireless charging energy acceptance device feedback signal gives the energy output winding, the master control
Molding block passes to the energy output winding further according to the wireless charging energy acceptance device and is transmitted to the public resonance
Energy adjustment signal on capacitor controls the output power that the sub- control module adjusts the power conversion module.
Compared with prior art, the invention has the benefit that
First, the present invention uses power conversion module and coil group module is real by a high-frequency energy and signal cable
Existing space separates, and the high-frequency energy and signal cable include conducting wire for transmitting high frequency power and for transmitting signal
Conducting wire；And two parts of the control circuit module are real by the signal transmission wire in the high-frequency energy and signal cable
Existing signal connection；High-frequency ac needed for the power conversion module generates wireless charging is controlled as the control circuit module respectively
Then electricity passes to the coil group module by the high frequency power conducting wire, while controlling institute by the circuit control module
The switch for stating coil group module realizes that the conducting to single coil selects, to realize wireless charging function, while significantly dropping
The heat of low wireless charging area reduces the temperature that receiving device is heated, reaches protection receiving device electronic device and lithium two
The outstanding effect in primary cell service life, and alleviate the technical issues of high heat limits output power.
Second, using technical solution of the present invention, structure is simpler compact, meets the development need of miniaturization, slimming
It asks.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of prior art multi-coil wireless charger.
Fig. 2 is the structural schematic diagram of the another embodiment of prior art multi-coil wireless charger.
Fig. 3 is the structural schematic diagram of an embodiment of the present invention wireless charging energy output device.
Fig. 4 is the structural schematic diagram of another embodiment wireless charging energy output device of the invention.
Specific embodiment
With reference to the accompanying drawing, preferably embodiment of the invention is described in further detail.
Embodiment 1
As shown in figure 3, a kind of novel radio charger, including power conversion module 1, coil group module 2 and control circuit
Module 3, the control circuit module 3 include master controller 31 and sub- control module 31, the master controller 31 and sub-controller
32 are connected by high-frequency energy and signal cable 4, carry out signal communication；The power conversion module 1 is located at sub-controller 32
One end of the high-frequency energy and signal cable 4, coil group module 2 and master controller 31 are located at the high-frequency energy and signal electricity
The other end of cable 4；The high-frequency energy and signal cable 4 include the first high frequency power conducting wire 41, the second high frequency power conducting wire 42
With at least one signal transmission wire 43.
The coil group module 2 includes that there are three the coils 21 of wireless charging energy output, resonant capacitance 22,23 and of switch
Wireless charging signal draws circuit 24；The coil 21 of three wireless charging energy output is angled therebetween in space between each other
In overlap；The master controller 31 is electrically connected with the control terminal of switch element 23 and exports with the signal of each coil 21
End electrical connection, the first end of the first high frequency power conducting wire 41, the first end of the second high frequency power conducting wire 42 and each described
The first end of coil electrical connection, the first high frequency power conducting wire 41 is connected to by switch 23, coil 21 and resonant capacitance 22
The first end of second high frequency power conducting wire 42；The second end of the first high frequency power conducting wire 41, the second high frequency power conducting wire 42
Second end be electrically connected with the power conversion module 1；
The high-frequency energy and signal cable 4 are the cable with high-frequency energy and signal transfer functions, will be described new
Type wireless charger is divided into two parts in space, and first part is coil group module 2 and master controller 31, is used to export
Wireless charging energy, second part are the power conversion module 1 and sub-controller 32, and power supply is switched to wireless charging
Energy.
In first part, the first end of the public connecting end of the switch 23 and the first high frequency power conducting wire 41 connects
It connects, the switch 23 is connect with the master controller 31, by the control of the master controller 31, can be independently switched on or off；
Three coils 21 are overlapped in space with certain angle, and each coil 21 is electrically connected with corresponding resonant capacitance 22
It connects；The points of common connection of all resonant capacitances 22 is all electrically connected with the first end of the second high frequency power conducting wire 42；The nothing
The input terminal that line charge electric signal draws circuit 24 is connected to the junction that is electrically connected of coil 21 Yu resonant capacitance 22, the wireless charging
The output end that signal draws circuit 24 is electrically connected with the wireless charging signal input part of the master controller 31；When some coil mould
When switch 23 is connected in group, then corresponding coil 23 will send out the energy of wireless charging, while by corresponding wireless
Charging signals draw circuit 24 and feed back wireless charging signal to master controller 31.The first end of the signal transmission wire 43 and master
The communication ends of controller 31 are electrically connected, and second end is electrically connected with the sub-controller 32, the sub-controller 32 and the electricity
The control terminal of source conversion module 1 is electrically connected.
Second part is the power conversion module 1 and sub-controller 32, and power supply is switched to wireless charging energy.
The second end of the output end of the power conversion module 1 and the first high frequency power conducting wire 41, the second high frequency power conducting wire 42
Second end electrical connection, the control terminal of the power conversion module 1 is electrically connected with sub-controller 32；The sub-controller 32 leads to
Letter end is electrically connected with the second end of the signal transmission wire 43, allows the master controller 31 and the sub-controller 32
It can communicate, and master controller 31 can finally control the work of power conversion module 1 by sub-controller 32.
The novel radio charger carries out wireless charging using following methods: after stable power supply is provided, institute
The conducting of some switch 23 will be controlled one by one so that 21 work of corresponding coil according to certain time interval by stating master controller 31
Make, and monitors whether corresponding coil 21 returns to correct wireless charging signal；If there is listening to correct wireless charging telecommunications
Number, this switch 23 will be kept to be connected, and corresponding coil 21 is made to export wireless charging energy；If not then it can be switched to
Next coil 21 carries out identical operation, and poll is until listening to correct wireless charging signal always；The master control simultaneously
Device 31 processed constantly can issue signal of communication to the sub-controller 32, so that the sub-controller 32 goes to control the power conversion
The power of the adjustment output of module 1.
Preferably, master controller 31 is voltage letter by the signal that the signal transmission wire 43 passes to sub-controller 32
Number, current signal, carrier signal or digital signal, the voltage signal is divided into variable or alternation, the current signal point
It is variable or alternation.
Embodiment 2
As shown in figure 4, a kind of novel radio charger, the novel radio charger has high-frequency energy and signal cable
4, the novel radio charger is divided into two parts in space, first part is the portion for exporting wireless charging energy
Point, second part is the part that power supply is switched to wireless charging energy.The high-frequency energy and signal cable 4 have transmission
The first high frequency power conducting wire 41, the second high frequency power conducting wire 42 and the signal transmission wire 43 of power.
The first part for the novel radio charger being connect with the first end of the high-frequency energy and signal cable 4,
Including master controller 31, three the mutually isostructural mutual coil mould groups 5 for parallel relationship, public resonant capacitances 6, each
The coil mould group 5 includes coil 51 and switch 53；The public connecting end of the switch 53 and the first high frequency power conducting wire
41 first end connection, control of the switch 53 all by the master controller 31 can be independently switched on or off；Three lines
Circle 51 is overlapped in space with certain angle；The first end of the common electrical tie point of three coils 51 and public resonant capacitance 6 electricity
Connection, the first end of the public resonant capacitance 6 are electrically connected with the first end of the second high frequency power conducting wire 42；When some line
When enclosing the conducting of switch 53 in mould group 5, then corresponding coil mould group 5 will send out the energy of wireless charging, while pass through public affairs
The first end feedback wireless charging signal of resonant capacitance 6 is to master controller 31 altogether.The first end of the signal transmission wire 43 with
The communication ends of master controller 31 are electrically connected.
Second of the novel radio charger being electrically connected with the second end of the high-frequency energy and signal cable 4
Point, power conversion module 1 and sub-controller 32 including power supply to be switched to high-frequency alternating current needed for being suitble to wireless charging；Institute
State the output end of power conversion module 1 and the second end of the first high frequency power conducting wire 41, the second high frequency power conducting wire 42
Second end electrical connection, the control terminal of the power conversion module 1 are connect with sub-controller 32；The communication ends of the sub-controller 32
It is electrically connected with the second end of the signal transmission wire 43, allows the master controller 31 and the sub-controller 32 can be with
Communication, and master controller 31 can finally control the work of power conversion module 1 by sub-controller 32.
The novel radio charger carries out wireless charging using following methods: after stable power supply is provided, institute
The conducting of some switch 53 will be controlled one by one so that corresponding 5 work of coil mould group according to certain time interval by stating master controller 31
Make, and monitors whether corresponding coil mould group 5 returns to correct wireless charging signal；If there is listening to correct wireless charging
Electric signal will keep this switch 53 to be connected, and corresponding coil mould group 5 is made to export wireless charging energy；If not then
Next coil mould group 5 can be switched to and carry out identical operation, poll is until listening to correct wireless charging signal always；Together
Shi Suoshu master controller 31 constantly can issue signal of communication to the sub-controller 32, so that the sub-controller 32 goes to control institute
State the power of the adjustment output of power conversion module 1.
Preferably, master controller 31 by signal transmission wire 43 pass to sub-controller 32 signal be voltage signal,
Current signal, carrier signal or digital signal, the voltage signal are divided into variable or alternation, and the current signal is divided into can
It is becoming or alternation.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of wireless charging energy output device, it is characterised in that: including power conversion module, coil group module and control electricity
Road module, the control circuit module include control the coil group module switch realization selection is connected to single coil
Main control module and the sub- control module for controlling high-frequency alternating current needed for the power conversion module generates wireless charging, the master
Control module is connected by high-frequency energy with signal cable with sub- control module, carries out signal communication；The power conversion module
It is located at one end of the high-frequency energy and signal cable with sub- control module, the coil group module and main control module are located at institute
State the other end of high-frequency energy and signal cable；The high-frequency energy and signal cable include the first high frequency power conducting wire, second
High frequency power conducting wire and at least one signal transmission wire；The coil group module includes that at least two wireless charging energy are defeated
Coil out, it is angled therebetween between the coil of at least two wireless chargings energy output to overlap in space.
2. wireless charging energy output device according to claim 1, it is characterised in that: the coil group module includes
Coil, switch element and the resonant capacitance of at least two wireless charging energy output；At least two wireless chargings energy is defeated
Coil out overlaps in space；The main control module be electrically connected with the control terminal of switch element and with each coil
Signal output end electrical connection, the first end of the first high frequency power conducting wire is high to second by coil and resonance capacitance connection
The first end of frequency power conductor；The second end of the first high frequency power conducting wire, the second end of the second high frequency power conducting wire and institute
State power conversion module electrical connection；One end of the signal transmission wire is electrically connected with the main control module, the other end with
The sub- control module electrical connection, the sub- control module are electrically connected with the control terminal of the power conversion module.
3. wireless charging energy output device according to claim 2, it is characterised in that: the signal transmission wire uploads
The signal passed is original PWM signals relevant to the output power of the power conversion module, by frequency dividing or the PWM of frequency multiplication letter
Number or digital signal.
4. wireless charging energy output device according to claim 2, it is characterised in that: the signal transmission wire uploads
The signal passed is voltage signal, current signal, carrier signal or digital signal.
5. wireless charging energy output device according to claim 2, it is characterised in that: the signal transmission wire uploads
The signal passed is voltage signal or current signal, and the numerical value of the voltage signal or the numerical value of current signal are variable.
6. wireless charging energy output device according to claim 1, it is characterised in that: the coil group module includes
Coil, switch element and the public resonant capacitance of at least two wireless charging energy output；The main control module and switch member
The control terminal of part is electrically connected, and one end of the first high frequency power conducting wire is electrically connected with the first end of each coil, and described first
The other end of high frequency power conducting wire is electrically connected with the power conversion module；One end of the second high frequency power conducting wire with it is described
The first end of public resonant capacitance is electrically connected, and the other end and the power conversion module of the second high frequency power conducting wire are electrically connected
It connects, the second end of the public resonant capacitance is electrically connected with the second end of each coil；The of the public resonant capacitance
Two ends are electrically connected with main control module, and the sub- control module is electrically connected with the control terminal of the power conversion module；The letter
The first end of number transfer wire is electrically connected with the main control module, the second end of the signal transmission wire and the sub- control
Module electrical connection.
7. wireless charging energy output device according to claim 6, it is characterised in that: the signal transmission wire uploads
The signal passed is original PWM signals relevant to the output power of the power conversion module, by frequency dividing or the PWM of frequency multiplication letter
Number or digital signal.
8. wireless charging energy output device according to claim 6, it is characterised in that: the signal transmission wire uploads
The signal passed is voltage signal, current signal, carrier signal or digital signal；The value of the voltage signal be it is variable, it is described
The numerical value of current signal is monotone variation or alternation.
9. a kind of method to be charged using wireless charging energy output device described in claim 2 ~ 5 any one,
Be characterized in that: wireless charging energy acceptance device is equipped with wireless charging energy acceptance regional center, and the wireless charging energy is defeated
The method that device charges to wireless charging energy acceptance device out is the following steps are included: described in the main control module on-off
Switch element with determine which coil near wireless charging energy acceptance device wireless charging energy acceptance regional center,
And the coil is chosen to be energy output winding, the master controller is transmitted further according to the wireless charging energy acceptance device
To the energy adjustment information signal of the energy output winding, the sub- control module is controlled by the signal transmission wire and goes to adjust
Save the output power of the power conversion module.
10. a kind of method to be charged using wireless charging energy output device described in claim 6 ~ 8 any one,
Be characterized in that: wireless charging energy acceptance device is equipped with wireless charging energy acceptance regional center, and the wireless charging energy is defeated
The method that device charges to wireless charging energy acceptance device out is the following steps are included: described in the main control module on-off
Switch element with determine which coil near wireless charging energy acceptance device wireless charging energy acceptance regional center,
And the coil is chosen to be energy output winding, the wireless charging energy acceptance device feedback energy adjustment information signal is given
The energy output winding, the main control module pass to the energy output line further according to the wireless charging energy acceptance device
The energy adjustment information signal for enclosing and being transmitted on the public resonant capacitance controls the sub- control module and adjusts the power supply
The output power of conversion module.
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| CN201510824602.3A CN105429306B (en) | 2015-11-24 | 2015-11-24 | A kind of wireless charging energy output device and its charging method |
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| CN106849387A (en) * | 2017-02-28 | 2017-06-13 | 深圳市特斯拉无线设备有限公司 | A kind of wireless charging emitter and its intelligent charge input and output intent |
| CN210041438U (en) * | 2018-12-03 | 2020-02-07 | 邢益涛 | Wireless energy transmission device with noise reduction design |
| CN109724718A (en) * | 2019-02-26 | 2019-05-07 | 浙江理工大学 | A kind of controllable thermo-electric device and its control method |
| CN109861403A (en) * | 2019-04-03 | 2019-06-07 | 杭州如墨科技有限公司 | A kind of adjustable frequency wireless charging transmitting terminal mould group |
| CN110601292B (en) * | 2019-09-17 | 2021-02-02 | Oppo（重庆）智能科技有限公司 | Battery management method, device, storage medium and electronic equipment |
| CN114243162B (en) * | 2020-09-09 | 2023-12-08 | 华为技术有限公司 | Battery heating method, device and equipment |
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| US8901880B2 (en) * | 2008-08-19 | 2014-12-02 | Qualcomm Incorporated | Wireless power transmission for portable wireless power charging |
| JP2011160505A (en) * | 2010-01-29 | 2011-08-18 | Sony Corp | Wireless charging apparatus and wireless charging system |
| KR101963906B1 (en) * | 2013-03-19 | 2019-03-29 | 지이 하이브리드 테크놀로지스, 엘엘씨 | Wireless power transmission system, furniture having wireless charging function used therein and wireless power transmssion apparatus used therein |
| CN103475073A (en) * | 2013-08-20 | 2013-12-25 | 上海锐灵电子科技有限公司 | Wireless charging device capable of being arranged on furniture |
| CN103715781B (en) * | 2014-01-06 | 2017-03-08 | 深圳市特斯拉无线设备有限公司 | A kind of wireless charging transmitting device |
| CN104124784A (en) * | 2014-07-25 | 2014-10-29 | 邢益涛 | Wireless charging emitter |
| CN104682580B (en) * | 2015-03-24 | 2016-11-02 | 哈尔滨工业大学 | The electric automobile dynamic radio electric power system in parallel based on multistage composite resonance structure and use the method for supplying power to that this system realizes |
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