CN110365079A - A kind of wireless charger and electronic product module - Google Patents
A kind of wireless charger and electronic product module Download PDFInfo
- Publication number
- CN110365079A CN110365079A CN201910652031.8A CN201910652031A CN110365079A CN 110365079 A CN110365079 A CN 110365079A CN 201910652031 A CN201910652031 A CN 201910652031A CN 110365079 A CN110365079 A CN 110365079A
- Authority
- CN
- China
- Prior art keywords
- coil
- wireless charger
- long axis
- charge coil
- axis side
- 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.)
- Pending
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of wireless charger and electronic product modules, for carrying out wireless charging to electronic product, the wireless charger includes: charge coil, the charge coil is the coil that single branch wire rod is formed with circle loop type coiling, the charge coil has the first long axis side, at least one region of first long axis side bends inwards to form sunk structure.Wireless charger of the invention can promote wireless charging efficiency, improve the coefficient of coup of charge coil and receiving coil, and user obtains the experience of better charge efficiency and freedom degree.
Description
Technical field
The present invention relates to technical field of electronic equipment, more particularly, to a kind of wireless charger and electronic product group
Part.
Background technique
In the prior art, wireless charger device coil often uses the shape of rule, such as square, rectangle and circle
Deng, the magnetic field that this coil generates is unevenly distributed in space, to limit effective charged area, that is, reduce charging from
By spending.
In order to solve this problem, traditional solution is: multiple small coils being arranged in the same direction, to increase charging
Freedom degree.
But using the above scheme, it needs to switch between coil and driving circuit, it is therefore desirable to setting and coil
The corresponding amplifier of quantity, so that configuration more complicates.
Summary of the invention
It is an object of the present invention to provide a kind of wireless charger and electronic product modules.
According to the first aspect of the invention, a kind of wireless charger is provided, for carrying out wireless charging to electronic product,
The wireless charger includes:
Control unit, described control unit are configurable for control wireless charging；
Driving unit, the driving unit are electrically connected with the control unit, and the driving unit is configured as according to control
The control of unit processed generates charging current；
Charge coil, the charge coil are electrically connected with the driving unit, so that charging current is passed through the charging cable
Circle, the charge coil are the coil that single branch wire rod is formed with circle loop type coiling, and the charge coil has the first long axis side,
At least one region of first long axis side bends inwards to form sunk structure；
Detection unit, the detection unit be configurable for detection electronic installation whether be located at it is corresponding with charge coil
Position, the state feedback that the detection unit can will test to control unit.
Optionally, the charge coil is rectangular configuration.
Optionally, the angle of the sunk structure and the first long axis side junction uses acute angle, in obtuse angle and right angle extremely
Few one kind.
Optionally, the charge coil has the second long axis side, and second long axis side and the first long axis side are in mutually
At least one region of parallel position, second long axis side bends inwards to form sunk structure.
Optionally, the sunk structure includes rectangular depression structure, trapezoidal recess structure, and at least the one of arc-shaped recess structure
Kind.
Optionally, the wireless charger further includes shell, for coating described control unit, driving unit, charging cable
Circle and detection unit.
Optionally, the circle ring range of the charge coil is in 1-50 circle.
Optionally, the generation type of the sunk structure is using shaping tool to the shaping of charge coil part, or is used
Mold makes charge coil one-pass molding.
According to another aspect of the present invention, a kind of electronic product module is provided, including wireless charger described above
And electronic product；
The electronic product includes shell, receiving coil and battery, and the receiving coil and battery are arranged in the shell
Interior, the receiving coil is electrically connected with the battery, when the shell is contacted close to wireless charger or with wireless charger, institute
Receiving coil is stated to be configured to be electrically charged the electromagnetic field excitation of coil generation.
Optionally, the shape of the receiving coil and the shape of the charge coil match.
Beneficial effects of the present invention: the present invention provides a kind of wireless charger, including charge coil, and the charge coil is
The coil that single branch wire rod is formed with circle loop type coiling, the charge coil have the first long axis side, first long axis side
At least one region bends inwards to form sunk structure；The Distribution of Magnetic Field of charge coil of the present invention more evenly so that user is filling
High charging freedom degree is obtained on the long axis direction of electric coil.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
It is a kind of inside connection schematic diagram of wireless charger of the present invention described in Fig. 1.
Fig. 2 show the structural schematic diagram of charge coil in the wireless charger of first embodiment of the invention.
Fig. 3 show the structural schematic diagram of the sunk structure of the charge coil of second embodiment of the invention.
Fig. 4 show the structural schematic diagram of the sunk structure of the charge coil of third embodiment of the invention.
Fig. 5 is the Distribution of Magnetic Field figure of square coil in the prior art.
Fig. 6 is the Distribution of Magnetic Field figure of different form coil in the prior art.
Fig. 7 is the Distribution of Magnetic Field figure of charge coil of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
According to one embodiment of present invention, a kind of wireless charger is provided, Fig. 1 show the inside of wireless charger
The connection figure of each unit, wireless charger include control unit 101, driving unit 102, charge coil 103 and detection unit
104。
Wherein described control unit 101 is electrically connected with driving unit 102, the head end of charge coil 103 and end respectively with
Driving unit 102 is electrically connected.
Described control unit 101 is configurable for control wireless charging, such as control unit 101 is according to detection unit
Whether 104 feedback informations provided, control driving unit 102 will generate charging current.
The driving unit 102 is configured as generating charging current according to the control of control unit 101.For example, working as electronics
When product needs to charge, driving unit 102 generates charging current.
The charge coil 103 is the coil that single branch wire rod is formed with circle loop type coiling, and the charge coil is with the
At least one region of one long axis side, first long axis side bends inwards to form sunk structure.
Wherein, " circle loop type " are as follows: using the first end point of single branch wire rod as starting point, single branch coil is turned to first with
The single turn structure of one long axis side, wherein the starting point of single branch wire rod is not overlapped with the second endpoint of single branch wire rod；The of single branch wire rod
Two endpoints deviate certain distance relative to starting point outward, continue on the basis of the single turn structure further around one single turn knot of system
Structure；The mode of coiling is repeated according to the method described above.
Wherein " outside " direction to surround space far from the single turn structure turned to for the first time.
The detection unit 104 is configurable for whether detection electronic product is located at position corresponding with charge coil,
The state that the detection unit can will test is fed back to control unit.For example, for detect electronic product whether with wirelessly
Shell contact of charger etc., when detecting that electronic product contacts with the shell of wireless charger, i.e., electronic product be need into
The state of row charging.
Optionally, the detection unit 104 can be electrically connected with control unit 101, and the detection unit 104 can also be set
It sets between the charge coil 103 and control unit 101；Or charge coil can also be arranged in the detection unit 104
Between 103 and driving unit 102.
Optionally, the electronic product includes mobile phone, plate etc..
Wireless charger of the present invention carries out wireless charging for electron product, usually has receiving coil in electronic product
For cooperating wireless charging.
Optionally, the wireless charger further includes shell, for coating described control unit, driving unit, charging cable
Circle and detection unit.The shell of the wireless charger is a platform structure.
Described control unit 101, driving unit 102, charge coil 103 and detection unit 104 are all set to wireless charging
The interior of shell of device, and driving unit 102 is connected to external power supply line and charge coil 104, the external power supply line with it is external
Power supply source is directly connected to.
When user needs electron product to charge, electronic product is contacted with the shell of wireless charger, detection unit 104
It detects this contact information and this information is passed into control unit 101.Driving unit 102 generates an electric current I at this time, makes
Electric current I generates galvanomagnetic-effect by charge coil, and the charge coil passes through the receiving coil of galvanomagnetic-effect electron product
Transmit electric energy.
Optionally, when user needs electron product to charge, electronic product has becoming close to wireless charger shell
Gesture, detection unit 104 detect that this passes to control unit 101 close to tendency information and by this information.Driving is single at this time
Member 102 generates an electric current I, so that electric current I is generated galvanomagnetic-effect by charge coil, the charge coil is given by galvanomagnetic-effect
The receiving coil of electronic product transmits electric energy.
Fig. 2 show the structure chart of charge coil of the present invention, as shown in Fig. 2, the charge coil is single branch wire rod with circle
The coil that loop type is formed, including the first long axis side 206, the second long axis side 203, the first short axle side 205, the second short axle side 204,
Wherein the first long axis side 206 and the second long axis side 203 are in the positional relationship being parallel to each other, the first short axle side 205 and the second short axle
Side 204 is in the positional relationship being parallel to each other.
In the present embodiment, the charge coil is narrow and long rectangular configuration.
Charge coil of the present invention has the first long axis side, so that user is when charging to electronic product, electronic product
Higher charging freedom degree is obtained on long axis direction, i.e. electronic product can freely move on the long axis direction of charge coil
It is dynamic.
Optionally, electronic product in the value range and electronic product of the length a and width b of the rectangular configuration connects
Take-up loop diameter R is related, is not defined to these parameters in the present invention, those skilled in the art can be according to practical need
Length and width is set.
According to one embodiment of present invention, the first long axis side 206, the second long axis side 203, the first short axle side 205, second
Short axle side 204 surrounds space 201, at least one region of the first long axis side 206 bends inwards to form sunk structure 202, such as Fig. 2
Shown, the first long axis side 206 is set as three regions and bends inwards to form rectangular depression structure, described " inside " for the sky
Between 201 inner bendings.
The sunk structure 202 enhances the magnetic field strength in charge coil bending region, improves charge coil and electronics
The coupling efficiency of the receiving coil of product, the magnetic flux that charge coil is generated largely pass through receiving coil, improve
The coefficient of coup between two coils.
Optionally, the sunk structure that the sunk structure and the second long axis side 203 that first long axis side 206 is formed are formed can
With along the center line symmetrical setting of charge coil long axis direction, asymmetric can also be set along the center line of charge coil long axis direction
It sets.
When the sunk structure of the sunk structure formed of first long axis side 206 and the formation of the second long axis side 203 can edge
When the center line symmetrical setting of charge coil long axis direction, " the bending region " is the recess knot that the first long axis side 206 is formed
The sunk structure opposed area that structure and the second long axis side 203 are formed.
When the sunk structure of the sunk structure formed of first long axis side 206 and the formation of the second long axis side 203 can edge
When the asymmetric setting of the center line of charge coil long axis direction, " the bending region " is the recess that the first long axis side 206 is formed
The sunk structure that the structure region opposite with the second long axis side or the second long axis side 203 the are formed area opposite with the first long axis side
Domain.
Optionally, at least one region of the first long axis side 206 bends inwards to form rectangular depression structure in the present embodiment
202.In various embodiments, different from the angle A of the first long axis side junction according to sunk structure 202, described first
At least one region of long axis side 206 bends inwards and can also form trapezoidal recess structure or arc-shaped recess structure etc..
In the present embodiment, the angle A of the sunk structure 202 and the first long axis side junction is 90 °, sunk structure 202
For rectangular configuration.
The charge coil is the coil that single branch wire rod is formed with circle loop type coiling, optionally, the charge coil
The number of turns range is 1-50 circle.In an embodiment as illustrated in figure 2, the number of turns of the charge coil is 3 circles, the sunk structure
202 it is corresponding be three-decker, including outer coil, middle layer coil and inner coil, wherein outer coil is far from empty
Between 201 coil, inner coil be by near space 201 coil.
The wherein cup depth e of outer coil, the recess width d of outer coil, the numerical value of the recess width c of inner coil
It is arranged related to the length a of transmission coil structure and width b.These parameters are not defined in the present invention, this field
Technical staff can be set according to actual needs recess width and cup depth.
Optionally, the sunk structure can use shaping tool and carry out shaping or the transmission coil structure using mould
Tool carries out one-pass molding.
Optionally, charge coil includes the coil that single branch wire rod is formed with circle loop type coiling, and charge coil is by first
Long axis side, the second long axis side, the first short axle side and the second short axle side wall at ellipsoidal structure；The oval structure has a length
Axis side, the long axis side (i.e. long arc) bend inwards to form sunk structure.
According to one embodiment of present invention, as shown in figure 3, due to sunk structure and the first long axis side junction angle
A is different, at least one region of first long axis side bends inwards to form trapezoidal recess structure 302.Wherein in the present embodiment,
Angle A is acute angle, and the bottom of trapezoidal recess structure 302 is long side, central axes of two waists of trapezoidal recess structure 302 about bottom
Symmetrically.
Optionally, the trapezoidal recess structure can be right-angled trapezium sunk structure.
According to one embodiment of present invention, as shown in figure 4, due to sunk structure and the first long axis side junction angle
A is different, at least one region of first long axis side bends inwards to form trapezoidal recess structure 402.Wherein in the present embodiment,
Angle A is obtuse angle, and the bottom of trapezoidal recess structure 302 is short side, central axes of two waists of trapezoidal recess structure 402 about bottom
Symmetrically.
Optionally, the trapezoidal recess structure can be right-angled trapezium sunk structure.
Fig. 5 is the Distribution of Magnetic Field figure of square coil in the prior art.Fig. 6 is the magnetic field point of different form coil in the prior art
Butut.Fig. 7 is the Distribution of Magnetic Field figure of charge coil of the present invention.
The present inventor carries out analogue simulation by the Distribution of Magnetic Field to three kinds of shaped coils, finds charge coil of the invention
Non-contact-point improves the magnetic induction intensity in the bending region of coil inside, so that wireless charger and electronic device
Magnetic field Relative distribution is more uniform, improves the coefficient of coup and coupling efficiency, so that user obtains better charge efficiency and fills
Electric freedom degree.Charge coil of the invention simultaneously has sunk structure, and the sunk structure enhances charge coil bending place
Magnetic field strength improves the coupling efficiency of the receiving coil of charge coil and electronic product.
The present invention carries out analogue simulation to the coefficient of coup of square coil in the prior art and receiving coil simultaneously, and to this
The charge coil of invention and the coefficient of coup of receiving coil carry out analogue simulation, are wherein square coil and reception line described in table 1
The coefficient of coup contrast table of the coefficient of coup of circle and charge coil of the invention and receiving coil.
Table 1: coefficient of coup contrast table
| The coefficient of coup | Center | Position one | Position two | Standard deviation |
| It is rectangular | 0.21566 | 0.22469 | 0.25547 | 0.020872 |
| The present invention | 0.24813 | 0.25659 | 0.28492 | 0.019269 |
As can be seen from Table 1: the coefficient of coup of coil of the present invention is integrally higher than the square coil coefficient of coup, while this hair
The standard deviation of open-wire line circle is small, and coefficient of coup distribution is more uniform.
According to another embodiment of the invention, a kind of electronic product module is provided, including wireless charging described above
Electric appliance and electronic product；The electronic product includes shell, receiving coil and battery, and the receiving coil and battery are arranged in institute
It states in shell, the receiving coil is electrically connected with the battery, and the shell connects close to wireless charger or with wireless charger
When touching, the receiving coil is configured to be electrically charged the electromagnetic field excitation of coil generation.
The shape of the receiving coil and the shape of the charge coil match." shape is mutually matched " refers to
Shape is identical or general shape is similar.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of wireless charger, which is characterized in that for carrying out wireless charging, the wireless charger packet to electronic product
It includes:
Control unit, described control unit are configurable for control wireless charging；
Driving unit, the driving unit are electrically connected with the control unit, and the driving unit is configured as single according to control
The control of member generates charging current；
Charge coil, the charge coil are electrically connected with the driving unit, so that charging current is passed through the charge coil, institute
Stating charge coil is the coil that single branch wire rod is formed with circle loop type coiling, and the charge coil has the first long axis side, described
At least one region of first long axis side bends inwards to form sunk structure；
Detection unit, the detection unit are configurable for whether detection electronic product is located at position corresponding with charge coil
It sets, the state feedback that the detection unit can will test to control unit.
2. wireless charger according to claim 1, which is characterized in that the charge coil is rectangular configuration.
3. wireless charger according to claim 1, which is characterized in that the sunk structure and the first long axis side junction
Angle use acute angle, at least one of obtuse angle and right angle.
4. wireless charger according to claim 1, which is characterized in that the charge coil has the second long axis side, institute
It states the second long axis side and the first long axis side is in the position being parallel to each other, at least one region of second long axis side is inwardly curved
Folding forms sunk structure.
5. wireless charger according to claim 3, which is characterized in that the sunk structure includes rectangular depression structure,
Trapezoidal recess structure, at least one of arc-shaped recess structure.
6. wireless charger according to claim 1, which is characterized in that the wireless charger further includes shell, is used for
Coat described control unit, driving unit, charge coil and detection unit.
7. wireless charger according to claim 1, which is characterized in that the circle ring range of the charge coil is in 1-50
Circle.
8. wireless charger according to claim 1, which is characterized in that the generation type of the sunk structure is using whole
Shape tool makes charge coil one-pass molding to the shaping of charge coil part, or using mold.
9. a kind of electronic product module, which is characterized in that including wireless charger and electricity described in claim 1-8 any one
Sub- product；
The electronic product includes shell, receiving coil and battery, and the receiving coil and battery are arranged in the shell, institute
Receiving coil is stated to be electrically connected with the battery, it is described to connect when the shell is contacted close to wireless charger or with wireless charger
Take-up circle is configured to be electrically charged the electromagnetic field excitation of coil generation.
10. electronic product module according to claim 9, which is characterized in that the shape of the receiving coil is filled with described
The shape of electric coil matches.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910652031.8A CN110365079A (en) | 2019-07-18 | 2019-07-18 | A kind of wireless charger and electronic product module |
| PCT/CN2019/129813 WO2021008090A1 (en) | 2019-07-18 | 2019-12-30 | Wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910652031.8A CN110365079A (en) | 2019-07-18 | 2019-07-18 | A kind of wireless charger and electronic product module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110365079A true CN110365079A (en) | 2019-10-22 |
Family
ID=68220521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910652031.8A Pending CN110365079A (en) | 2019-07-18 | 2019-07-18 | A kind of wireless charger and electronic product module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110365079A (en) |
| WO (1) | WO2021008090A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008090A1 (en) * | 2019-07-18 | 2021-01-21 | 歌尔股份有限公司 | Wireless charger |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230049A (en) * | 2016-08-01 | 2016-12-14 | 湖南海翼电子商务股份有限公司 | Wireless charging device and method |
| CN106899087A (en) * | 2015-12-21 | 2017-06-27 | 财团法人工业技术研究院 | Coil assembly and wireless energy transmission system |
| CN207651331U (en) * | 2017-10-30 | 2018-07-24 | 歌尔科技有限公司 | A kind of loop construction and charging equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9906076B2 (en) * | 2013-11-11 | 2018-02-27 | Samsung Electro-Mechanics Co., Ltd. | Non-contact type power transmitting coil and non-contact type power supplying apparatus |
| CN110365079A (en) * | 2019-07-18 | 2019-10-22 | 歌尔股份有限公司 | A kind of wireless charger and electronic product module |
-
2019
- 2019-07-18 CN CN201910652031.8A patent/CN110365079A/en active Pending
- 2019-12-30 WO PCT/CN2019/129813 patent/WO2021008090A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899087A (en) * | 2015-12-21 | 2017-06-27 | 财团法人工业技术研究院 | Coil assembly and wireless energy transmission system |
| CN106230049A (en) * | 2016-08-01 | 2016-12-14 | 湖南海翼电子商务股份有限公司 | Wireless charging device and method |
| CN207651331U (en) * | 2017-10-30 | 2018-07-24 | 歌尔科技有限公司 | A kind of loop construction and charging equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008090A1 (en) * | 2019-07-18 | 2021-01-21 | 歌尔股份有限公司 | Wireless charger |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021008090A1 (en) | 2021-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20180204674A1 (en) | Wireless power transmission module and electronic device including the same | |
| CN108321914B (en) | Coil, wireless charging receiving device, transmitting device and system | |
| US10651658B2 (en) | Foreign object detecting device, wireless power transmitting apparatus, and wireless power transfer system | |
| CN110476362B (en) | Apparatus and method for performing communication in wireless power transmission system | |
| KR102342855B1 (en) | Method and apparatus of adjusting coil location in wireless power transfer system | |
| EP2800423A2 (en) | Wireless power transmitter, wireless power receiver and control method thereof | |
| KR20160108031A (en) | Wireless power transmitter | |
| US20220247214A1 (en) | Wireless charging receiving apparatus, transmitting apparatus, and system of terminal | |
| CN104681257A (en) | Power feeding coil unit and wireless power transmission device | |
| CN207166225U (en) | Wireless power transmission module and the electronic equipment with the module | |
| CN104167829A (en) | Wireless charging method, device and system | |
| US10504648B2 (en) | Antenna for wireless power transmission | |
| JP2013247822A (en) | Wireless power feeding device, wireless power receiving device, wireless power feeding system, and electrical instrument | |
| JP2021052580A (en) | Wireless power transmitting device and system including the same | |
| US10656185B2 (en) | Planar differential current pickup for wireless power transmission | |
| US20150380154A1 (en) | Power supplying side coil and contactless power supplying apparatus | |
| CN104518576A (en) | Power receiving device and power feeding device | |
| US10218186B2 (en) | Power feeding device and non-contact power transmission device | |
| Zhang et al. | Optimal design of quadrature-shaped pickup for omnidirectional wireless power transfer | |
| CN110365079A (en) | A kind of wireless charger and electronic product module | |
| JP2013162611A (en) | Wireless power feeding device | |
| JP2015213421A (en) | Wireless power reception device and electronic device including the same | |
| JP3182602U (en) | Localization input system for performing wireless charging and apparatus therefor | |
| KR102224621B1 (en) | Wireless Power Transfer Apparatus with Receiver-Oriented Coupler Structure | |
| JP6232191B2 (en) | Power feeding unit, power receiving unit, and power feeding system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191022 |