CN109004756A - Wireless charging system - Google Patents
Wireless charging system Download PDFInfo
- Publication number
- CN109004756A CN109004756A CN201810783788.6A CN201810783788A CN109004756A CN 109004756 A CN109004756 A CN 109004756A CN 201810783788 A CN201810783788 A CN 201810783788A CN 109004756 A CN109004756 A CN 109004756A
- Authority
- CN
- China
- Prior art keywords
- electronic equipment
- receiving coil
- charging system
- wireless charging
- conductive contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Abstract
The embodiment of the present application provides a kind of wireless charging system, it include: charging assembly, the charging assembly includes transmitting coil and receiving coil, the transmitting coil and the receiving coil are realized by electromagnetic coupling to be electrically connected, the transmitting coil is used to radiate electric energy by electromagnetic signal, and the receiving coil is used to receive the electric energy by electromagnetic signal；Electronic equipment, the electronic equipment are connect with the charging assembly, and the electronic equipment includes battery, and the battery is for storing the electric energy.In the wireless charging system, since charging assembly is mutually indepedent with electronic equipment, receiving coil is provided in the charging assembly, when electronic equipment carries out wireless charging, the heat that receiving coil generates can be dispersed into the external world by the charging assembly, electronic equipment will not be impacted, can generate heat to avoid receiving coil and the function of electronic equipment is had an impact, so as to improve the safety and stability of electronic equipment.
Description
Technical field
This application involves electronic technology field, in particular to a kind of wireless charging system.
Background technique
Currently, the electronic equipments such as smart phone generally use rechargeable battery as required power supply.With electronics
The function of equipment is more and more, and the power consumption of electronic equipment is also increasing.Thus, the frequency that user charges to electronic equipment also with
Increase.
When user charges to electronic equipment, generallys use wired charging method and charge, i.e., electronic equipment passes through cable
It is connect with external power supply.And wired charging method causes inconvenience to user, therefore some electronic equipments provide wireless charging
Function.
Summary of the invention
The embodiment of the present application provides a kind of wireless charging system, and the safety and stability of electronic equipment can be improved.
The embodiment of the present application provides a kind of wireless charging system, comprising:
Charging assembly, the charging assembly include transmitting coil and receiving coil, the transmitting coil and the reception line
Circle realizes by electromagnetic coupling and is electrically connected that the transmitting coil is used to radiate electric energy, the receiving coil by electromagnetic signal
For receiving the electric energy by electromagnetic signal；
Electronic equipment, the electronic equipment are connect with the charging assembly, and the electronic equipment includes battery, the battery
For storing the electric energy.
Wireless charging system provided by the embodiments of the present application, it is described to fill since charging assembly is mutually indepedent with electronic equipment
Receiving coil is provided in electrical component, when electronic equipment carries out wireless charging, the heat that receiving coil generates can pass through institute
It states charging assembly and is dispersed into the external world, electronic equipment will not be impacted, can be generated heat to avoid receiving coil to electronic equipment
Function has an impact, so as to improve the safety and stability of electronic equipment.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described.It should be evident that the drawings in the following description are only some examples of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 2 is another structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 3 is cross-sectional view of the electronic equipment shown in Fig. 1 along the direction P-P.
Fig. 4 is the structural schematic diagram of wireless charging system provided by the embodiments of the present application.
Fig. 5 is another structural schematic diagram of wireless charging system provided by the embodiments of the present application.
Fig. 6 is the another structural schematic diagram of wireless charging system provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall in the protection scope of this application.
Following disclosure provides many different embodiments or example is used to realize the different structure of the application.In order to
Simplify disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And purpose does not lie in limitation the application.
The embodiment of the present application provides a kind of electronic equipment.The electronic equipment can be smart phone, tablet computer etc. and set
It is standby, it can also be game station, AR (Augmented Reality, augmented reality) equipment, automobile, data storage device, audio
Playing device, video play device, notebook, Desktop computing device etc. can also be wearable device such as electronic watch, electricity
The equipment such as sub- glasses, electronic helmet, electronic bracelet, electronics necklace, electronic clothes.
With reference to Fig. 1 and Fig. 3, wherein Fig. 3 is cross-sectional view of the electronic equipment shown in Fig. 1 along the direction P-P.Electronic equipment 10 includes
Display screen 11, center 12, circuit board 13, battery 14, rear cover 15 and electrical connection section 16.
Wherein, display screen 11 is mounted on rear cover 15, to form the display surface of electronic equipment 10.Display screen 11 is used as electronics
The front housing of equipment 10 forms an accommodating space with rear cover 15, for accommodating other electronic components or functional group of electronic equipment 10
Part.Meanwhile display screen 11 forms the display surface of electronic equipment 10, for showing the information such as image, text.Display screen 11 can be
Liquid crystal display (Liquid Crystal Display, LCD) or organic light-emitting diode (OLED) display screen (Organic Light-
Emitting Diode, OLED) etc. types display screen.
In some embodiments, as shown in Figure 1, display screen 11 may include display area 111 and non-display area
112.Wherein, display area 111 executes the display function of display screen 11, for showing the information such as image, text.Non-display area
112 can be used for being arranged the functional units such as camera, receiver, display screen touch control electrode.In some embodiments, non-display area
Domain 112 may include positioned at least one region of 111 upper and lower part of display area.
In some embodiments, as shown in Fig. 2, display screen 11 can be screen comprehensively.At this point, display screen 11 can be with full frame aobvious
Show information, so that electronic equipment 10 has biggish screen accounting.Display screen 11 only includes display area 111, without including non-aobvious
Show region, or non-display area is smaller for a user.At this point, the function such as camera, proximity sensor in electronic equipment 10
Energy component can be hidden in 11 lower section of display screen, and the fingerprint recognition mould group of electronic equipment 10 can be set in electronic equipment 10
The back side.
Center 12 can be lamellar or laminar structure, or the frame structure with through-hole.Wherein, center
12 can be housed in the accommodating space that above-mentioned display screen 11 is formed with rear cover 15.The entirety that center 12 is used for as electronic equipment 10
Structure provides a supporting role, and electronic component, the functional unit in electronic equipment 10 are mounted together, complete electronics is formed
Equipment.For example, the functional units such as camera, receiver, circuit board, battery in electronic equipment 10 can be installed to center 12
On to be fixed.
Circuit board 13 is mounted on inside above-mentioned accommodating space.For example, circuit board 13 may be mounted on the center 12, and
It is housed in above-mentioned accommodating space together with center 12.Circuit board 13 can be the mainboard of electronic equipment 10.Wherein, electronic equipment
10 processor can be set on circuit board 13.Motor, microphone, loudspeaker, called can also be integrated on circuit board 13
Device, earphone interface, Universal Serial Bus Interface (USB interface), camera, range sensor, ambient light sensor, gyroscope etc.
One in functional unit, it is two or more.Meanwhile display screen 11 can be electrically connected to circuit board 13.
Battery 14 is mounted on inside above-mentioned accommodating space.For example, battery 14 may be mounted on the center 12, and in
Frame 12 is housed in together in above-mentioned accommodating space.Battery 14 can be electrically connected to the circuit board 13, to realize battery 14 for electricity
Sub- equipment 10 is powered.Wherein, electric power management circuit can be set on circuit board 13.The electric power management circuit is used for battery
14 voltages provided are assigned to each electronic component in electronic equipment 10.
Rear cover 15 is used to form the exterior contour of electronic equipment 10.Rear cover 15 can be integrally formed.In the molding of rear cover 15
In the process, the structures such as rear camera hole, fingerprint recognition mould group mounting hole can be formed on rear cover 15.
In some embodiments, rear cover 15 can be the metals such as metal back cover, such as magnesium alloy, stainless steel.It needs to illustrate
, the material of the rear cover 15 of the embodiment of the present application is not limited to this, and can also use other way, such as rear cover 15 that can be
Plastic cement rear cover, also for example rear cover 15 can be ceramic rear cover.For another example rear cover 15 may include plastic portions and metal part,
Rear cover 15 can be metal and the mutually matched rear cover structure of plastic cement.Specifically, can first forming metal part, such as using note
The mode of modeling forms magnesium alloy substrate, and the injection moulding plastic again on magnesium alloy substrate forms plastic substrate, to form complete rear cover
Structure.
It continues to refer to figure 1 and Fig. 2, electronic equipment 10 further includes electrical connection section 16.Wherein, the electrical connection section 16 can be set
It sets in the side of electronic equipment 10.For example, the bottom side in electronic equipment 10 can be set in the electrical connection section 16.The electricity
Interconnecting piece 16 and the battery 14 are electrically connected.The electrical connection section 16 is for connecting charging unit, to be embodied as the battery
14 chargings.
In some embodiments, the electrical connection section 16 can also be connect with the circuit board 13.It is thus possible to by setting
The processor set on the circuit board 13 controls the charging process of battery 14.
The embodiment of the present application also provides a kind of wireless charging system.The wireless charging system is applied to above-mentioned electronic equipment
10, to be the charging of battery 14 in the electronic equipment 10 by wireless charging system.
In some embodiments, with reference to Fig. 4, wireless charging system 100 includes electronic equipment 10 and charging assembly 20.It is described
Electronic equipment 10 is connect with the charging assembly 20.
Wherein, the accessory that the charging assembly 20 can be used as electronic equipment 10 is used alone.That is, the charging assembly
20 can connect with electronic equipment 10, can also disconnect with electronic equipment 10, the normal function without influencing electronic equipment 10
Energy.For example, the charging assembly 20 can be charging base, electronic equipment 10, which is connected to charging base, can be realized charging.
The charging assembly 20 includes transmitting coil 21 and receiving coil 22.The transmitting coil 21 and the receiving coil
22 realize electric connection by electromagnetic coupling.That is, the transmitting coil 21 is separated from each other with the receiving coil 22, the two
It is not directly connected to, but is realized and be electrically connected by electromagnetic coupling.
Wherein, the transmitting coil 21 is used to radiate electric energy by electromagnetic signal.The receiving coil 22 is for passing through electricity
Magnetic signal receives the electric energy.For example, transmitting coil 21 is outside by high-frequency electromagnetic signal when electronic equipment 10 is charged
Electric energy is radiated, receiving coil 22 receives electric energy of the transmitting coil 21 to external radiation by electromagnetic signal, sets to be embodied as electronics
Standby 10 charging.
It should be understood that since electromagnetic signal is high frequency ac signal, the electric energy that the receiving coil 22 receives
For ac signal.
Wherein, the transmitting coil 21, receiving coil 22 are metal coiling.For example, transmitting coil 21, reception line
Circle 22 can all be the coil of copper wire winding.
In some embodiments, the receiving coil 22 is greater than 80% by the efficiency that electromagnetic signal receives electric energy.That is,
The electric energy that the electric energy and the transmitting coil 21 that the receiving coil 22 is received by electromagnetic signal are radiated by electromagnetic signal
Between ratio be greater than 80%.To when wirelessly charging for electronic equipment 10, it is ensured that electronic equipment 10 fills
Electrical efficiency.
Wherein, the electronic equipment 10 supports wireless charging function namely electronic equipment 10 that can carry out wireless charging.Institute
Stating electronic equipment 10 includes battery 14.The battery 14 is for storing the electric energy that the receiving coil 22 receives.In addition, when electricity
When sub- equipment 10 is not in charged state, the battery 14 is used to provide electric energy for electronic equipment 10.
In the embodiment of the present application, since charging assembly 20 and electronic equipment 10 are mutually indepedent, set in the charging assembly 20
It is equipped with receiving coil 22, when electronic equipment 10 carries out wireless charging, the heat that receiving coil 22 generates can be filled by described
Electrical component 20 is dispersed into the external world, will not impact to electronic equipment 10, can generate heat to avoid receiving coil 22 to electronic equipment
10 function has an impact, so as to improve the safety and stability of electronic equipment 10.
In some embodiments, with continued reference to Fig. 4, the first electrical connection section 23 is provided on the charging assembly 20.It is described
Receiving coil 22 is connect with first electrical connection section 23.The second electrical connection section 16 is provided on the electronic equipment 10.It is described
Battery 14 is connect with second electrical connection section 16.Second electrical connection section 16 is the electrical connection in above-mentioned electronic equipment 10
Portion 16.
Shape, the size of second electrical connection section 16 are mutually fitted with the shape of first electrical connection section 23, size respectively
Match, so that second electrical connection section 16 can be connect with first electrical connection section 23, with realize the electronic equipment 10 with
The connection of the charging assembly 20.
In some embodiments, first electrical connection section 23 includes the first conductive contact blade.First conductive contact blade with
Receiving coil 22 in the charging assembly 20 connects.Second electrical connection section 16 includes the first electroconductive elastic sheet.Described first
The shape of electroconductive elastic sheet, size respectively with the shape of first conductive contact blade, dimensional fits, thus first electroconductive elastic sheet
It can be connect with first conductive contact blade.In addition, first electroconductive elastic sheet also with the battery 14 in the electronic equipment 10
Connection.
For example, the first conductive contact blade that first electrical connection section 23 includes can be " golden finger ".Wherein, " golden finger "
The computer hardware structure being made of golden yellow conductive contact blade is indicated, because of its surface gold-plating and conductive contact blade arrangement such as finger
Shape, because referred to herein as " golden finger "." golden finger " can be used in computer realizing the connection between memory bar and memory bank.
The first electroconductive elastic sheet that second electrical connection section 16 includes can be pogo pin connector.Wherein, pogo
Pin connector can be widely applied to the accurate connection in electronic product.
In some embodiments, the quantity for the first conductive contact blade that first electrical connection section 23 includes is at least two.
For example, first electrical connection section 23 may include 2,3 or 4 first conductive contact blades, etc..Wherein, described first
Multiple first conductive contact blades that electrical connection section 23 includes are intervally installed.
The quantity for the first electroconductive elastic sheet that second electrical connection section 16 includes also is at least two.For example, described second
Electrical connection section 16 may include 2,3 or 4 first electroconductive elastic sheets, etc..Wherein, second electrical connection section 16 includes
Multiple first electroconductive elastic sheets be intervally installed.Each described first electroconductive elastic sheet with first conductive contact blade
Connection.
In some embodiments, first electrical connection section 23 includes the second electroconductive elastic sheet.Second electroconductive elastic sheet with
Receiving coil 22 in the charging assembly 20 connects.Second electrical connection section 16 includes the second conductive contact blade.Described second
The shape of electroconductive elastic sheet, size respectively with the shape of second conductive contact blade, dimensional fits, thus second conductive contact blade
It can be connect with second electroconductive elastic sheet.In addition, second conductive contact blade also with the battery 14 in the electronic equipment 10
Connection.
For example, the second electroconductive elastic sheet that first electrical connection section 23 includes can be pogo pin connector.Described
The second conductive contact blade that two electrical connection sections 16 include can be " golden finger ".
In some embodiments, the quantity for the second electroconductive elastic sheet that first electrical connection section 23 includes is at least two.
For example, first electrical connection section 23 may include 2,3 or 4 second electroconductive elastic sheets, etc..Wherein, described first
Multiple second electroconductive elastic sheets that electrical connection section 23 includes are intervally installed.
The quantity for the second conductive contact blade that second electrical connection section 16 includes also is at least two.For example, described second
Electrical connection section 16 may include 2,3 or 4 second conductive contact blades, etc..Wherein, second electrical connection section 16 includes
Multiple second conductive contact blades be intervally installed.Each described second conductive contact blade with second electroconductive elastic sheet
Connection.
In some embodiments, as shown in figure 5, the electronic equipment 10 further includes wireless receiver 17.It is described wirelessly to connect
Device 17 is received to connect with the battery 14 in the charging assembly 20 and the electronic equipment 10.The wireless receiver 17 is used for will
Ac signal is converted to DC signal.Wherein, the wireless receiver 17 may include rectification circuit.
For example, after the receiving coil 22 in charging assembly 20 receives high frequency electrical signal, the high frequency electrical signal that will receive
It exports to electronic equipment 10.High frequency electrical signal is converted to DC signal by the wireless receiver 17 in electronic equipment 10, then
Output to battery 14 charges.
In some embodiments, as shown in figure 5, the electronic equipment 10 further includes charge controller 18.The charging control
Device 18 processed is connect with the wireless receiver 17 and the battery 14 respectively.To which the wireless receiver 17 passes through described
The realization of charge controller 18 is connect with battery 14.The charge controller 18 is used for charging voltage and charging to the battery 14
Electric current is controlled.
For example, the charge controller 18 can filling to the battery 14 in the different charging stages of electronic equipment 10
Piezoelectric voltage and charging current are adjusted, so that battery 14 reaches preferable charge efficiency.
In addition, the charge controller 18 can also be its of electronic equipment 10 in the charging process of electronic equipment 10
His electronic component or functional unit power supply.For example, can be the power supply of the functional units such as circuit board, the display screen of electronic equipment 10.
In some embodiments, as shown in figure 5, the charging assembly 20 further includes wireless transmitter 24.The wireless hair
Emitter 24 is connect with the transmitting coil 21.The wireless transmitter 24 is used to convert low-frequency ac signal or direct current signal
For high frequency electrical signal.
For example, the charging assembly 20 can connect to external power supply, such as it is connected to alternating current, external power supply exports at this time
Can be low-frequency ac signal (such as alternating current be 50Hz alternating current).Wireless transmitter 24 can export external power supply low
Frequency AC signal is converted to high frequency electrical signal, such as can be converted to the high-frequency signal of 1500MHz, so that the emission lines
Circle 21 can radiate electric energy by electromagnetic signal outward.
In some embodiments, as shown in figure 5, the charging assembly 20 further includes control circuit 25.The control circuit
25 connect with the wireless transmitter 24.The control circuit 25 is used to control the wireless transmitter 24, such as can
It is controlled with the output frequency to the wireless transmitter 24, allows the wireless transmitter 24 by low-frequency ac signal
Be converted to the high frequency electrical signal of different frequency.
In some embodiments, as shown in fig. 6, the charging assembly 20 includes at least two transmitting coils 21.It is described extremely
Few two transmitting coils 21 are connected in parallel.In some other embodiment, the charging assembly 20 can also include more hairs
Ray circle, such as 3,4 etc..Wherein, each transmitting coil 21 can be connect with a conversion chip.The conversion
Chip is used to DC signal being converted to high-frequency ac electric signal.
Wherein, each described transmitting coil 21 is realized by electromagnetic coupling with the receiving coil 22 and is electrically connected.
To which electric energy can be radiated by multiple transmitting coils 21, to improve electronic equipment 10 when electronic equipment 10 is charged
Charge efficiency.
In some embodiments, as shown in fig. 6, the charging assembly 20 includes at least two receiving coils 22.It is described extremely
Few two receiving coils 22 are connected in parallel.In some other embodiment, the charging assembly 20 can also connect including more
Take-up circle, such as 3,4 etc..
Wherein, each described receiving coil 22 is realized by electromagnetic coupling with the transmitting coil 21 and is electrically connected.
To which electric energy can be received by multiple receiving coils 22, to improve electronic equipment 10 when electronic equipment 10 is charged
Charge efficiency.
Wireless charging system provided by the embodiments of the present application is described in detail above.It is used herein specifically a
The principle and implementation of this application are described for example, the application that the above embodiments are only used to help understand.
Meanwhile for those skilled in the art, according to the thought of the application, it has change in specific embodiments and applications
Become place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (11)
1. a kind of wireless charging system characterized by comprising
Charging assembly, the charging assembly include transmitting coil and receiving coil, and the transmitting coil and the receiving coil are logical
It crosses electromagnetic coupling and realizes electric connection, the transmitting coil is used to radiate electric energy by electromagnetic signal, and the receiving coil is used for
The electric energy is received by electromagnetic signal；
Electronic equipment, the electronic equipment are connect with the charging assembly, and the electronic equipment includes battery, and the battery is used for
Store the electric energy.
2. wireless charging system according to claim 1, which is characterized in that be provided with first on the charging assembly and be electrically connected
Socket part is provided with the second electrical connection section on the electronic equipment, and second electrical connection section is connect with first electrical connection section.
3. wireless charging system according to claim 2, which is characterized in that first electrical connection section includes first conductive
Contact, first conductive contact blade are connect with the receiving coil；
Second electrical connection section include the first electroconductive elastic sheet, first electroconductive elastic sheet respectively with first conductive contact blade with
And the battery connection.
4. wireless charging system according to claim 3, which is characterized in that the quantity of first conductive contact blade is at least
Two, the quantity of first electroconductive elastic sheet is also at least two, each described first electroconductive elastic sheet with one described
The connection of one conductive contact blade.
5. wireless charging system according to claim 2, which is characterized in that first electrical connection section includes second conductive
Elastic slice, second electroconductive elastic sheet are connect with the receiving coil；
Second electrical connection section include the second conductive contact blade, second conductive contact blade respectively with second electroconductive elastic sheet with
And the battery connection.
6. wireless charging system according to claim 5, which is characterized in that the quantity of second electroconductive elastic sheet is at least
Two, the quantity of second conductive contact blade is also at least two, each described second conductive contact blade with one described
The connection of two electroconductive elastic sheets.
7. wireless charging system according to any one of claims 1 to 6, which is characterized in that the electronic equipment further includes
Wireless receiver, the wireless receiver are connect with the charging assembly and the battery respectively, and the wireless receiver is used
In ac signal is converted to DC signal.
8. wireless charging system according to claim 7, which is characterized in that the electronic equipment further includes charge control
Device, the charge controller are connect with the wireless receiver and the battery respectively, and the charge controller is used for institute
The charging voltage and charging current for stating battery are controlled.
9. wireless charging system according to any one of claims 1 to 6, which is characterized in that the charging assembly includes extremely
Few two transmitting coils, at least two transmitting coil is in parallel, each described transmitting coil is logical with the receiving coil
It crosses electromagnetic coupling and realizes electric connection.
10. wireless charging system according to any one of claims 1 to 6, which is characterized in that the charging assembly includes extremely
Few two receiving coils, at least two receiving coil is in parallel, each described receiving coil is logical with the transmitting coil
It crosses electromagnetic coupling and realizes electric connection.
11. wireless charging system according to any one of claims 1 to 6, which is characterized in that the receiving coil passes through electricity
The efficiency that magnetic signal receives electric energy is greater than 80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810783788.6A CN109004756B (en) | 2018-07-17 | 2018-07-17 | Wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810783788.6A CN109004756B (en) | 2018-07-17 | 2018-07-17 | Wireless charging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109004756A true CN109004756A (en) | 2018-12-14 |
| CN109004756B CN109004756B (en) | 2021-05-07 |
Family
ID=64599501
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810783788.6A Active CN109004756B (en) | 2018-07-17 | 2018-07-17 | Wireless charging system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456936A (en) * | 2010-10-26 | 2012-05-16 | 新科实业有限公司 | Wireless charging system, battery with wireless charging function and electronic device with wireless charging function |
| CN203761096U (en) * | 2014-03-11 | 2014-08-06 | 杨庆春 | Mobile phone wireless charging receiving device with heat dissipation function |
| CN104578222A (en) * | 2013-10-28 | 2015-04-29 | 华为技术有限公司 | Wireless charging device and system |
| CN204425426U (en) * | 2014-12-24 | 2015-06-24 | 光碁科技股份有限公司 | There is the mobile phone protection valve jacket of wireless charging discharging function |
| US20160204656A1 (en) * | 2014-12-20 | 2016-07-14 | Intel Corporation | Chassis Design for Wireless-Charging Coil Integration for Computing Systems |
-
2018
- 2018-07-17 CN CN201810783788.6A patent/CN109004756B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456936A (en) * | 2010-10-26 | 2012-05-16 | 新科实业有限公司 | Wireless charging system, battery with wireless charging function and electronic device with wireless charging function |
| CN104578222A (en) * | 2013-10-28 | 2015-04-29 | 华为技术有限公司 | Wireless charging device and system |
| CN203761096U (en) * | 2014-03-11 | 2014-08-06 | 杨庆春 | Mobile phone wireless charging receiving device with heat dissipation function |
| US20160204656A1 (en) * | 2014-12-20 | 2016-07-14 | Intel Corporation | Chassis Design for Wireless-Charging Coil Integration for Computing Systems |
| CN204425426U (en) * | 2014-12-24 | 2015-06-24 | 光碁科技股份有限公司 | There is the mobile phone protection valve jacket of wireless charging discharging function |
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| Publication number | Publication date |
|---|---|
| CN109004756B (en) | 2021-05-07 |
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