CN208369270U - Coil mould group charging circuit, two groups of coil mould group charging circuits and charger - Google Patents
Coil mould group charging circuit, two groups of coil mould group charging circuits and charger Download PDFInfo
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- CN208369270U CN208369270U CN201820986492.XU CN201820986492U CN208369270U CN 208369270 U CN208369270 U CN 208369270U CN 201820986492 U CN201820986492 U CN 201820986492U CN 208369270 U CN208369270 U CN 208369270U
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- mould group
- control unit
- transmitting coil
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- 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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of coil mould group charging circuits, two groups of coil mould group charging circuits and charger, every group of coil mould group charging circuit includes power supply unit, driving unit, resonant capacitance, export feedback unit, control unit and coil mould group, coil mould group includes a pair of of the transmitting coil being overlapped mutually, transmitting coil respectively with driving unit, resonant capacitance and control unit electrical connection, driving unit is electrically connected with control unit, export feedback unit and transmitting coil, resonant capacitance and control unit electrical connection, two groups of coil mould group charging circuits can be in communication with each other, when accessing power supply, use two transmitting coils for one group of coil mould group charging circuit, difficult problem is aligned when being effectively improved the charging of unicoil wireless charger when to the charging of single portion's mobile phone wireless, user is improved to the experience sense of wireless charging；Two-way wireless charging circuit passes through information reconciliation between control unit, interferes with each other between improvement two-way wireless charger, realization charges simultaneously to two mobile phones.
Description
Technical field
The utility model relates to wireless charging field more particularly to a kind of coil mould group charging circuits, two groups of coil mould groups
Charging circuit and charger.
Background technique
With the appearance of smart phone, people to mobile phone use it is more and more frequent, people to mobile phone like also with day
Enhancing.With keeping updating for mobile phone, the function of mobile phone is further powerful, and the capacity of battery of mobile phone restricts smart phone
The single use time, repeatedly plug charging cable be not only easily damaged charger, also user is allowed to feel put about.If using two kinds
The mobile phone of different model just needs to carry two charging cable, so very inconvenient.With the development of wireless charging technology, solve
The above problem greatly facilitates mobile phone charging, does not need people worried for interface difference.But user is past in a mobile environment
Toward multiple electronic equipments, such as two or two or more mobile phones, tablet computer can be carried, when two or two or more electronics
When equipment needs to charge, user usually uses wireless charger and first charges to an electronic equipment, to be charged complete, then to another
The charging of portion's electronic equipment, the charging time is too long, and charging process user cannot simultaneously set two electronics using wireless charger
Standby charging.For this problem, most of user will use two wireless chargers to two electronic equipments while charge,
Carrying two wireless chargers can make troubles to user in a mobile environment, and quantity is more, is easily lost, and the prior art
In, realize to be the charging of two electronic equipments by setting two-way charged area, but there are blind area between two-way charged area,
In this way, needing to be placed on specific region, just can be carried out charging when mobile phone is placed.
Utility model content
Shortcoming present in view of the above technology, the utility model provide a kind of double transmitting coil charging circuits, two
The double transmitting coil charging circuits of group and charger, can make one when the mobile phone is charging, realize that the electronics such as transmitting coil and mobile phone produce
The large area effective coverage that product correspond to receiving coil precisely aligns, simple, convenient, effectively improves wireless charging operation actual effect
Property, and can charge simultaneously for plurality of mobile phones.
To achieve the above object, the utility model provides a kind of coil mould group charging circuit, including control unit, driving list
Member, resonant capacitance, output feedback unit and coil mould group, the coil mould group include a pair of of the transmitting coil being overlapped mutually, institute
It states transmitting coil to be electrically connected with driving unit, resonant capacitance and control unit respectively, the driving unit is electrically connected with control unit
It connecing, the output feedback unit is electrically connected with transmitting coil, resonant capacitance and control unit, when accessing power supply, the control
Unit control driving unit, resonant capacitance and input feedback unit periodically send each transmitting for electromagnetic field signal
On coil；
It, will by output feedback unit after transmitting coil senses the feedback signal that the receiving coil of external mobile phone is sent
The feedback signal is transmitted to control unit, and control unit identifies and the receiving coil contact surface according to the feedback signal
The maximum transmitting coil of product, and the electromagnetic energy for controlling driving circuit is persistently sent, and then is charged to mobile device, and logical
Over-drive unit enables another transmitting coil disability.
Wherein, output feedback unit includes output end and input terminal, the V- that the transmitting coil and resonant capacitance are formed
BACK end be electrically connected with the input terminal of the output feedback unit, the output end for exporting feedback unit and control unit
The electrical connection of the end CODE1.
Wherein, the transmitting coil is the first and second transmitting coils, and the resonant capacitance includes the first and second resonance
Capacitor, the first end of first transmitting coil are electrically connected with the first end of first resonant capacitance, second emission lines
The first end of circle is electrically connected with the first end of the second resonant capacitance, and the input terminal of the driving unit is respectively with described first,
The electrical connection of two resonant capacitances, the output end of the driving unit are electrically connected and then connect with first and second transmitting coil respectively
Ground.
Wherein, the driving unit includes amplifying unit and switch unit, the control terminal of the amplifying unit and the control
The pwm signal end of unit processed connects, for that will carry out the amplification of voltage from the PWM of control unit, the amplifying unit it is defeated
Outlet is electrically connected the control terminal of the switch unit, for the conducting or disability of control switch unit, the switch unit difference
The input terminal for connecting first, second transmitting coil is also electrically connected the output end of first and second resonant capacitance.
Wherein, the switch unit is provided with the first mosfet pipe and the 2nd mosfet pipe, described first one end mosfet
Connect input power, the other end connect the first and second coils input terminal, the 2nd mosfet pipe one end coupling described first or
It is grounded after second coil.
It wherein, further include power supply power supply unit, it is power supply power supply unit connection described control unit, driving unit, humorous
Shake capacitor, output feedback unit, for powering.
Wherein, further include a power filtering unit, the input terminal of the power filtering unit and described control unit it is defeated
Enter end electrical connection, for guaranteeing powered stable.
It wherein, further include power supply adaptation unit, the port EN1 and EN2 of the power supply adaptation unit and described control unit
Electrical connection, meets fast charge standard, to choose whether to carry out fast charge to it or commonly fill when for judging external mobile equipment
Electricity.
The utility model also provides a kind of two groups of coil mould group charging circuits, including coil mould group described in any of the above item
The transmitting coil of charging circuit, every group of coil mould group charging circuit is overlapped mutually, and the control of every group of coil mould group charging circuit
Unit is in communication with each other, and when experiencing an external receiving coil, each control unit receives the anti-of corresponding transmitting coil
Feedback signal, control unit communicate with each other, according to signal judgement and the maximum transmitting of receiving coil contact area
Coil, and the electric current constant conduction of transmitting coil is controlled, and then charge to mobile device；
When receiving coil is two, the control unit control of the wireless charging circuit of every group of double transmitting coils is not mutual
The electric current constant conduction of two transmitting coils of contact, and then charge respectively to two mobile devices.
The utility model also provides a kind of wireless charger, at least the above described two groups of coil line charging circuits of one kind,
Further include shell, cavity is equipped in the shell, upper surface is equipped with rest area, and two groups of coils mould group charging circuit is placed in
In the shell, and the transmitting coil is arranged in relatively and in the one side of rest area, and the shell is equipped with power connection end mouth, institute
Power connection end mouth is stated to be electrically connected with the control unit by conducting wire.
The beneficial effects of the utility model are: compared with prior art, coil mould group charging electricity provided by the utility model
Road, two groups of coil mould group charging circuits and charger, use two transmitting coils for one group of charging circuit, and the double emission lines of multiple groups
It is communicated between circle circuit, one can be made when the mobile phone is charging, realized that the electronic products such as transmitting coil and mobile phone are corresponding and receive
The effective charged area of the large area of coil, realization precisely align, and improve wireless charging operation failure and experience sense, improve wireless
Charge efficiency, and can charge simultaneously for plurality of mobile phones.
Detailed description of the invention
Fig. 1 is the local structural graph of the utility model；
Fig. 2 is the overall structure figure of the utility model；
Fig. 3 is the structural schematic diagram of the utility model；
Fig. 4 is the circuit diagram of the control unit of the utility model；
Fig. 5 a is the circuit diagram of first amplifying unit of the utility model；
Fig. 5 b is the circuit diagram of second amplifying unit of the utility model；
Fig. 5 c is the circuit diagram of the third amplifying unit of the utility model；
Fig. 6 a is the circuit diagram of the first switch unit of the utility model；
Fig. 6 b is the circuit diagram of the second switch unit of the utility model；
Fig. 6 c is the circuit diagram of the third switch unit of the utility model；
Fig. 7 is the transmitting coil of the utility model and the circuit diagram of resonant capacitance；
Fig. 8 is the circuit diagram of the output feedback unit of the utility model；
Fig. 9 is the partial exploded view of the charger of the utility model.
Main element symbol description is as follows:
1, control unit 2, driving unit
3, feedback unit 4, transmitting coil are exported
5 resonant capacitances 6, power supply power supply unit
21, amplifying unit 22, switch unit
211, the first amplifying unit 212, the second amplifying unit
213, third amplifying unit 221, first switch unit
222, second switch unit 223, third switch unit
401, the first transmitting coil 402, the second transmitting coil
6, power supply power supply unit 7, power filtering unit
8, power supply adaptation unit 9, shell
10, voltage regulation unit.
Specific embodiment
In order to more clearly state the utility model, the utility model is further described with reference to the accompanying drawing.
Refering to Fig. 9 and Fig. 2, the utility model discloses a kind of wireless charger, including shell 9, sky is equipped in shell 9
Chamber, upper surface are equipped with rest area 91, and shell is equipped with power connection end mouth 92, and power connection end mouth 92 is by conducting wire access power supply, in shell
Equipped with two groups of coil mould group charging circuits, four transmitting coils 4 are overlapped mutually, and transmitting coil 4 is disposed relative to rest area
One side in so that the overall effectively charging area of transmitting coil 4 becomes larger, the receiving coil of mobile phone is easier and transmitting coil 4
Alignment improves wireless charging operation timeliness and experience sense, and will form one group of coil mould between two adjacent transmitting coils
Group charging circuit, makes it possible to achieve when mobile phone is placed vertically on the rest area of charger 91, can carry out simultaneously to two mobile phones
Charging.Specifically, in the present embodiment, two groups of coil mould group charging circuits are made of two coil mould group charging circuits, and every group
The transmitting coil 4 of coil mould group charging circuit is overlapped mutually, i.e., four transmitting coils 4 are overlapped mutually, every group of coil mould group charging
The control unit 1 of circuit is in communication with each other, and when experiencing an external receiving coil, each control unit 1 receives corresponding
The feedback signal of transmitting coil 4, control unit 1 communicate with each other, based on the feedback signal judgement and receiving coil contact area
Maximum transmitting coil 4, and the electric current constant conduction of the transmitting coil 4 is controlled, and then charge to mobile device；
When receiving coil is two, as two when the mobile phone is charging, the wireless charging circuit of every group of double transmitting coils 4
Control unit 1 control the electric current constant conduction of two transmitting coils 4 not contacted with each other, it is preferable that in charger
Two sides transmitting coil 4 respectively charges to mobile phone, so that the interference between transmitting coil 4 is reduced to minimum, realizes to two
Mobile device charges.
Specifically, a kind of coil mould group charging circuit is illustrated, a kind of line with Fig. 2 in the present embodiment refering to fig. 1
Circle mould group charging circuit includes control unit 1, driving unit 2, resonant capacitance 5, output feedback unit 3 and coil mould group 4, coil
Mould group 4 includes a pair of of transmitting coil for being overlapped mutually, i.e. transmitting coil 4, transmitting coil 4 respectively with driving unit 2, resonant capacitance
5 and control unit 1 be electrically connected, driving unit 2 be electrically connected with control unit 1, exports feedback unit 3 and transmitting coil 4, resonance are electric
Hold 5 and the electrical connection of control unit 1, when accessing power supply, control unit 1 controls driving unit 2, resonant capacitance 3 and input feedback
Unit 3 periodically sends electromagnetic field signal on transmitting coil；
After transmitting coil 4 senses the feedback signal that the receiving coil (not shown) of external mobile phone is sent, pass through output
Feedback signal is transmitted to control unit 1 by feedback unit 3, and control unit 1 is identified according to the feedback signal and connect with receiving coil
The maximum transmitting coil 4 of contacting surface product, and the electromagnetic energy for controlling driving circuit 2 is persistently sent, and then is filled to mobile device
Electricity, and enable another transmitting coil 4 disable by driving unit 2.
In the present embodiment, such as Fig. 2, transmitting coil 4 is the first transmitting coil 41 and the second transmitting coil 42, resonant capacitance
5 include the first resonant capacitance 51 and the second resonant capacitance 52, and the first end of the first transmitting coil 42 and the first resonant capacitance 501
First end electrical connection, the first end of the second transmitting coil 42 is electrically connected with the first end of the second resonant capacitance 502, formation resonance
Unit, the input terminal of driving unit 2 are electrically connected with the first resonant capacitance 51 and the second resonant capacitance 52 respectively, driving unit 2
Then output end is electrically connected with the first transmitting coil 41 and the second transmitting coil 42 respectively to be grounded, so that driving unit 2 is to first
41 second transmitting coil 42 of transmitting coil, the first resonant capacitance 51, the connection of the second resonant capacitance 52, control its electromagnetism passed through
The size of energy.
In the present embodiment, refering to Fig. 3-Fig. 6 c, driving unit 2 includes amplifying unit 21 and switch unit 22, and amplification is single
The control terminal of member 21 is connect with the pwm signal end of control unit 1, for will carry out putting for voltage from the PWM of control unit 1
Greatly, the control terminal of the output end electrical connection switch unit 22 of amplifying unit 21, conducting or mistake for control switch unit 22
Can, switch unit 22 is separately connected the input terminal of the first transmitting coil 41, the second transmitting coil 42, is also electrically connected the first resonance
The output end of capacitor 501 and the second resonant capacitance 502, specifically, for ease of description, amplifying unit 21 divides for the first amplification list
First 211, second amplifying unit 212 and third amplifying unit 213 and Fig. 5 a, Fig. 5 b and Fig. 5 c, and the first amplifying unit 211
Control terminal connect with the pwm signal end of control unit 1, i.e. pin 7 and 8 in the first amplifying unit 211 is respectively and in Fig. 4
Control unit pin 11 and 12 connect, the respective pins of 213 control terminal of another second amplifying unit 212 and third amplifying unit
It is connect with the pwm signal end of control unit 1, which is not described herein again, to realize control of the control unit 1 to amplifying unit 21
System, for ease of description, switch unit 22 can regard first switch unit 221, second switch unit 222 and third switch unit as
223, corresponding diagram 6a, Fig. 6 b and Fig. 6 c, wherein the input terminal of the input terminal of first switch unit 221 and the first resonant capacitance 501
Electrical connection, i.e., connected, the output end of second switch unit 222 and the second end of the first transmitting coil 41 are electrically connected by the port VODB
It connects and is then grounded, i.e., be electrically connected by the port VODBA, the input terminal of third switch unit 223 is defeated with the second resonant capacitance 502
Enter end electrical connection, i.e., is connected by the port VODC, the output end of second switch 222 and the second end of the second transmitting coil 42 are electrically connected
It is grounded, i.e., is connected by the port VODA after connecing, thus first transmitting of first switch unit 221 and the control of second switch unit 222
The input size of the electromagnetic energy of coil 41, second switch unit 222 and third switch unit 223 control the second transmitting coil 42
The input size of electromagnetic energy, and first switch unit 221, second switch unit 222 and third switch unit 223 are equipped with
One mosfet pipe and the 2nd mosfet pipe, wherein the first mosfet pipe and the 2nd mosfet pipe can be to be multiple, in the present embodiment
In, as described in Fig. 6 a, 6b and 6c, the first mosfet pipe and the 2nd mosfet pipe of each switch unit are two, are utilized
The characteristic of mosfet pipe, to the first transmitting coil 41, the second transmitting coil 42, the first resonant capacitance 501, the second resonant capacitance
The voltage at 502 both ends is controlled, and realizes its conducting or disability, thus when control unit 1 is according to the first reflection coil 41 and the
After the feedback signal of two transmitting coils 42 is judged, corresponding first transmitting coil 41 and the second transmitting coil 42 can control to hold
Continuous conducting or disability, realization, which is directed at the maximum transmitting coil 4 of area with the receiving coil of mobile phone, to charge to mobile phone, and another
The disability of one transmitting coil 4 to realize precisely charging, and not will cause between coil and interfere with each other.
In the present embodiment, refering to Fig. 2 and Fig. 7, exporting feedback unit 3 includes output end and input terminal, the emission lines
The end V-BACK that circle 4 and resonant capacitance 5 are formed is electrically connected with the input terminal of output feedback unit 3, exports the output of feedback unit 3
End is electrically connected with the end CODE1 of control unit 1, specifically, Fig. 7 is the physical circuit figure for exporting feedback unit, the first emission lines
The end V-BACK2 point at the end V-BACK1 of circle 41 and the first resonant capacitance 501, the second transmitting coil 42 and the second resonant capacitance 502
It not being connect with the input terminal of output feedback unit 3, the output end of output feedback unit 3 is connect with the end CODE1 of control unit 1,
When the first transmitting coil 41 and the second transmitting coil 42 sense the receiving coil of external mobile phone, and receive mobile phone output
Feedback signal, because the feedback signal is relatively weak, if being transmitted directly to control unit 1, control unit 1 is more difficult to it
It is identified, and after output feedback unit 3 amplifies the feedback signal, then send control unit 1 to, enable control
Unit 1 can easily identify, and when constantly output electromagnetic energy charges to mobile phone to transmitting coil 4, export feedback unit 3
Whether the voltage for detecting 4 both ends of transmitting coil in real time is stable, notifies control unit 1 to be adjusted in time, avoids the occurrence of voltage
It is too high or too low；It further include voltage regulation unit 10, the first end of voltage regulation unit 10 is electrically connected amplifying unit 21 and switch unit 22, and
The input terminal of voltage regulation unit 10 connects control unit 1, for keeping stable voltage；It further include power supply power supply unit 6, power supply supplies
Electric unit 6 connects control unit 1, driving unit 2, resonant capacitance 5, output feedback unit 3, for powering；It further include a power supply
The input terminal of filter unit, power filtering unit 7 is electrically connected with the input terminal of control unit 1, for guaranteeing powered stable；Also wrap
Power supply adaptation unit 8 is included, power supply adaptation unit 8 is electrically connected with the port EN1 and EN2 of control unit 1, for judging external shifting
Meet fast charge standard when dynamic equipment, by the control of voltage, to choose whether to carry out it fast charge or common charging.
The advantage of the utility model is:
It uses two transmitting coils for one group of wireless charging circuit, and is led between the double transmitting coil circuits of multiple groups
Letter can make one when the mobile phone is charging, realize precisely aligning for the corresponding receiving coil of electronic products such as transmitting coil and mobile phone, mention
High wireless charging efficiency, and can charge simultaneously for plurality of mobile phones.
Disclosed above is only one or several specific embodiments of the utility model, but the utility model not limits to
In this, the changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.
Claims (10)
1. a kind of coil mould group charging circuit, which is characterized in that including control unit, driving unit, resonant capacitance, output feedback
Unit and coil mould group, the coil mould group include a pair of of the transmitting coil being overlapped mutually, the transmitting coil respectively with driving
Unit, resonant capacitance and control unit electrical connection, the driving unit is electrically connected with control unit, the output feedback unit and
Transmitting coil, resonant capacitance and control unit electrical connection, when accessing power supply, described control unit controls driving unit, resonance
Capacitor and input feedback unit periodically send electromagnetic field signal on each transmitting coil；
It, will be described by output feedback unit after transmitting coil senses the feedback signal that the receiving coil of external mobile phone is sent
Feedback signal is transmitted to control unit, and control unit is identified with the receiving coil contact area most according to the feedback signal
Big transmitting coil, and the electromagnetic energy for controlling driving circuit is persistently sent, and then is charged to mobile device, and passes through drive
Moving cell enables another transmitting coil disability.
2. coil mould group charging circuit according to claim 1, which is characterized in that output feedback unit include output end and
The end V-BACK that input terminal, the transmitting coil and resonant capacitance are formed is electrically connected with the input terminal of the output feedback unit,
The output end of the output feedback unit is electrically connected with the end CODE1 of control unit.
3. coil mould group charging circuit according to claim 1, which is characterized in that the transmitting coil is first and second
Transmitting coil, the resonant capacitance include the first and second resonant capacitances, the first end of first transmitting coil and described the
The first end of one resonant capacitance is electrically connected, and the first end of second transmitting coil and the first end of the second resonant capacitance are electrically connected
It connects, the input terminal of the driving unit is electrically connected with first, second resonant capacitance respectively, the output end of the driving unit
It is electrically connected with first and second transmitting coil and is then grounded respectively.
4. coil mould group charging circuit according to claim 3, which is characterized in that the driving unit includes amplifying unit
And switch unit, the control terminal of the amplifying unit and the pwm signal end of described control unit connect, single for that will come from control
The PWM of member carries out the amplification of voltage, and the output end of the amplifying unit is electrically connected the control terminal of the switch unit, for controlling
The conducting or disability of switch unit, the switch unit are separately connected the input terminal of first, second transmitting coil, are also electrically connected
Connect the output end of first and second resonant capacitance.
5. coil mould group charging circuit according to claim 4, which is characterized in that the switch unit is provided with first
Mosfet pipe and the 2nd mosfet pipe, described first one end mosfet connect input power, the first and second hair of other end connection
The input terminal of ray circle, the 2nd mosfet pipe one end are grounded after coupling the first or second transmitting coil.
6. coil mould group charging circuit according to claim 1, which is characterized in that it further include power supply power supply unit, it is described
Power supply power supply unit connects described control unit, driving unit, resonant capacitance, output feedback unit, for powering.
7. coil mould group charging circuit according to claim 1, which is characterized in that further include a power filtering unit, institute
The input terminal for stating power filtering unit is electrically connected with the input terminal of described control unit, for guaranteeing powered stable.
8. coil mould group charging circuit according to claim 1, which is characterized in that it further include power supply adaptation unit, it is described
Power supply adaptation unit is electrically connected with the port EN1 and EN2 of described control unit, is met when for judging external mobile equipment fast
Standard is filled, to choose whether to carry out it fast charge or common charging.
9. a kind of two groups of coil mould group charging circuits, exist including coil mould group charging circuit, feature described in claim 1-8
In the transmitting coil of every group of coil mould group charging circuit is overlapped mutually, and the control unit phase of every group of coil mould group charging circuit
Mutual communication, when experiencing an external receiving coil, each control unit receives the feedback signal of corresponding transmitting coil,
Control unit communicates with each other, according to signal judgement and the maximum transmitting coil of receiving coil contact area, and
The electric current constant conduction of transmitting coil is controlled, and then is charged to mobile device；
When receiving coil is two, the control unit control of the wireless charging circuit of every group of double transmitting coils does not contact with each other
Two transmitting coils electric current constant conduction, and then charge respectively to two mobile devices.
10. a kind of wireless charger includes at least a kind of one group of two groups of coils line charging circuit as claimed in claim 9, special
Sign is, further includes shell, and cavity is equipped in the shell, and upper surface is equipped with rest area, two groups of coils mould group charging electricity
Road is placed in the shell, and the transmitting coil is arranged in relatively and in the one side of rest area, and the shell is equipped with and connects
Electric port, the power connection end mouth are electrically connected with the control unit by conducting wire.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820986492.XU CN208369270U (en) | 2018-06-26 | 2018-06-26 | Coil mould group charging circuit, two groups of coil mould group charging circuits and charger |
| PCT/CN2018/105325 WO2020000672A1 (en) | 2018-06-26 | 2018-09-12 | Coil module charging circuit, two sets of coil module charging circuits, and charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820986492.XU CN208369270U (en) | 2018-06-26 | 2018-06-26 | Coil mould group charging circuit, two groups of coil mould group charging circuits and charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208369270U true CN208369270U (en) | 2019-01-11 |
Family
ID=64926590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820986492.XU Active CN208369270U (en) | 2018-06-26 | 2018-06-26 | Coil mould group charging circuit, two groups of coil mould group charging circuits and charger |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208369270U (en) |
| WO (1) | WO2020000672A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991809A (en) * | 2021-12-06 | 2022-01-28 | 无锡蜜蜂照明科技有限公司 | Adjustable wireless charging device |
| CN115986963A (en) * | 2022-01-20 | 2023-04-18 | 荣耀终端有限公司 | Wireless charging transmitting terminal, charging base and system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11696766B2 (en) | 2009-09-11 | 2023-07-11 | Tbi Innovations, Llc | Methods and devices to reduce damaging effects of concussive or blast forces on a subject |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978075A (en) * | 2016-06-06 | 2016-09-28 | 薛寿贞 | Wireless charger |
| CN205829266U (en) * | 2016-07-19 | 2016-12-21 | 黄淑芳 | Many mouthfuls of wireless chargers |
| CN206023333U (en) * | 2016-08-31 | 2017-03-15 | 天津市鸿远电气股份有限公司 | Wireless charger |
-
2018
- 2018-06-26 CN CN201820986492.XU patent/CN208369270U/en active Active
- 2018-09-12 WO PCT/CN2018/105325 patent/WO2020000672A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991809A (en) * | 2021-12-06 | 2022-01-28 | 无锡蜜蜂照明科技有限公司 | Adjustable wireless charging device |
| CN115986963A (en) * | 2022-01-20 | 2023-04-18 | 荣耀终端有限公司 | Wireless charging transmitting terminal, charging base and system |
| CN115986963B (en) * | 2022-01-20 | 2024-04-19 | 荣耀终端有限公司 | Wireless charging transmitting terminal, charging base and system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020000672A1 (en) | 2020-01-02 |
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