CN216162473U - Electronic equipment and wireless charging system - Google Patents
Electronic equipment and wireless charging system Download PDFInfo
- Publication number
- CN216162473U CN216162473U CN202122180637.1U CN202122180637U CN216162473U CN 216162473 U CN216162473 U CN 216162473U CN 202122180637 U CN202122180637 U CN 202122180637U CN 216162473 U CN216162473 U CN 216162473U
- Authority
- CN
- China
- Prior art keywords
- magnetic steel
- magnetic
- attraction structure
- magnetic attraction
- steel
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 180
- 239000010959 steel Substances 0.000 claims abstract description 180
- 230000006698 induction Effects 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000005389 magnetism Effects 0.000 abstract description 24
- 230000005415 magnetization Effects 0.000 abstract description 10
- 125000004122 cyclic group Chemical group 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- 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
Abstract
The utility model provides electronic equipment and a wireless charging system, wherein the electronic equipment comprises a supporting piece and a charging coil assembly; the charging coil assembly comprises an annular induction coil and a first magnetic attraction structure, wherein the first magnetic attraction structure is arranged around the outer periphery of the induction coil and/or is arranged along the inner periphery of the induction coil; first magnetism is inhaled structure and is formed the cyclic annular of an organic whole structure by two at least first magnet steel units concatenation in proper order, or encloses into the cyclic annular that has fracture structure by two at least first magnet steel units mutual intervals, each first magnet steel unit includes that what set gradually along first magnetism inhale the structure radially is circular-arc first magnet steel and second magnet steel, and the second magnet steel sets up in the periphery side of first magnet steel, wherein, first magnet steel is along the horizontal magnetization of the axial of the first magnetism structure of perpendicular to, the second magnet steel is magnetized along the axial. The utility model improves the magnetic attraction force between the coils and the positioning alignment precision, improves the charging efficiency and has better magnetic leakage shielding effect.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of wireless charging, in particular to an electronic device and a wireless charging system.
[ background of the utility model ]
The wireless charging system is used for charging electronic equipment by utilizing the principle of electromagnetic induction between coils, and the principle is similar to that of a transformer. The transmitting end coil is connected with a wired power supply to generate an electromagnetic signal, and the receiving end coil induces the electromagnetic signal of the transmitting end to generate current to charge a battery of the electronic equipment.
However, the conventional wireless charging device is difficult to align and position with the electronic device, is easy to move, and is easy to cause low charging efficiency and increase heat generation due to dislocation.
Therefore, it is desirable to provide an electronic device and a wireless charging system to solve the above problems.
[ Utility model ] content
The utility model aims to provide electronic equipment and a wireless charging system which are high in positioning and aligning precision, high in charging efficiency and good in magnetic leakage shielding effect.
In order to achieve the above object, the present invention provides an electronic device, which includes a support and a charging coil assembly disposed on the support; the charging coil assembly comprises an annular induction coil and an annular first magnetic attraction structure, and the first magnetic attraction structure is arranged around the outer peripheral side of the induction coil and/or is arranged along the inner peripheral side of the induction coil; first magnetism is inhaled structure and is formed the cyclic annular of an organic whole structure by two at least first magnet steel units concatenation in proper order, or by at least two first magnet steel unit separates each other and encloses into the cyclic annular that has fracture structure, each first magnet steel unit includes along what first magnetism was inhaled radial of structure sets gradually is circular-arc first magnet steel and is circular-arc second magnet steel, just the second magnet steel set up in the periphery side of first magnet steel, wherein, first magnet steel along the perpendicular to the axial of first magnetism is inhaled structure horizontal magnetization, the second magnet steel is followed the axial magnetization, first magnet steel along the perpendicular to the axial of first magnetism is inhaled the radial magnetization of structure for following first magnetism, or for following the perpendicular to the straight line magnetization of the chord place of the circular arc that first magnet steel was located.
Preferably, a first soft magnetic layer is attached to one surface and/or side surface of the first magnetic attraction structure, which is close to the support member.
Preferably, the first soft magnetic layer is made of a soft iron material, an amorphous material and a nanocrystalline soft magnetic material.
Preferably, the width of the first magnetic steel is greater than or equal to the width of the second magnetic steel.
Preferably, the width ratio of the first magnetic steel to the second magnetic steel is 2: 1.
the utility model also provides a wireless charging system which comprises a wireless charging device and the electronic equipment, wherein the wireless charging device comprises a transmitting coil assembly, the transmitting coil assembly comprises an annular transmitting coil and an annular second magnetic attraction structure, the second magnetic attraction structure is arranged around the outer peripheral side of the transmitting coil and/or is arranged along the inner peripheral side of the transmitting coil, and the second magnetic attraction structure and the first magnetic attraction structure are coaxially arranged; the second magnetic attraction structure is in a ring shape with an integral structure formed by sequentially splicing at least two second magnetic steel units, or in a ring shape with a fracture structure formed by surrounding at least two second magnetic steel units at intervals, each second magnetic steel unit comprises a third magnetic steel in a circular arc shape and a fourth magnetic steel in a circular arc shape, which are sequentially arranged along the radial direction of the second magnetic attraction structure, and the fourth magnetic steel is arranged on the inner peripheral side of the third magnetic steel, wherein the third magnetic steel is magnetized along the axial direction perpendicular to the second magnetic attraction structure, the fourth magnetic steel is magnetized along the axial direction of the second magnetic attraction structure, the third magnetic steel is magnetized along the radial direction of the second magnetic attraction structure along the axial direction perpendicular to the second magnetic attraction structure, or is magnetized along the straight line perpendicular to the chord of the circular arc where the third magnetic steel is located, and the third magnetic steel is opposite to the first magnetic steel in magnetizing direction, the fourth magnetic steel and the second magnetic steel are opposite in magnetizing direction; when the wireless charging device is matched with the electronic equipment for use, the first magnetic steel unit is in dislocation matching with the second magnetic steel unit, and the first magnetic steel unit and the third magnetic steel unit are equal in width and aligned in the center.
Preferably, the wireless charging system further includes a protective sleeve located between the first magnetic attraction structure and the second magnetic attraction structure and a third magnetic steel unit embedded in the protective sleeve, the third magnetic steel unit includes a fifth magnetic steel corresponding to the first magnetic attraction structure and/or a sixth magnetic steel corresponding to the second magnetic attraction structure, the fifth magnetic steel is the same as the second magnetic steel in magnetization direction, and the sixth magnetic steel is the same as the fourth magnetic steel in magnetization direction.
Preferably, a second soft magnetic layer is attached to one surface and/or side surface of the second magnetic attraction structure, which is close to the support member.
Preferably, the second soft magnetic layer is made of a soft iron material, an amorphous material and a nanocrystalline soft magnetic material.
Preferably, the width of the third magnetic steel is greater than or equal to the width of the fourth magnetic steel.
Preferably, the width ratio of the third magnetic steel to the fourth magnetic steel is 2: 1.
compared with the prior art, in the wireless charging system, the first magnetic attraction structure and the second magnetic attraction structure which are annular are used for magnetically attracting and positioning the electronic equipment and the wireless charging device, so that the electronic equipment and the wireless charging device are aligned through magnetic attraction, restoring force is provided in a certain area to automatically calibrate the central position, the central alignment between the induction coil and the transmitting coil is ensured, the eddy current loss during wireless charging is reduced, the charging efficiency is improved, the heating during charging is reduced, and the volume of magnetic steel is reduced. In addition, the design of first magnetism structure of inhaling with the structure is inhaled to the second magnetism, can greatly reduce back magnetic leakage, has the restoring force of great magnetic attraction and translation.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic perspective view of a wireless charging system according to the present invention;
fig. 2 is an exploded perspective view of the wireless charging system according to the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
FIG. 4 is an enlarged view of the portion indicated by B in FIG. 3;
FIG. 5 is a schematic cross-sectional structure view of the first magnetic steel unit and the second magnetic steel unit of the present invention;
FIG. 6 is a schematic view of a transverse magnetizing structure of the first magnetic steel unit or the second magnetic steel unit according to the present invention;
FIG. 7 is a schematic cross-sectional structure view of a first embodiment of a first magnetic steel unit, a second magnetic steel unit and a third magnetic steel unit according to the present invention;
FIG. 8 is a schematic cross-sectional structure view of a second embodiment of the first, second and third magnetic steel units of the present invention;
fig. 9 is a schematic cross-sectional structure view of a third embodiment of the first magnetic steel unit, the second magnetic steel unit, and the third magnetic steel unit according to the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a wireless charging system 100, which includes an electronic device 10 and a wireless charging device 20.
The electronic device 10 comprises a support 1 and a charging coil assembly 2 arranged on the support 1; charging coil subassembly 2 is including being annular induction coil 21 and being annular first magnetism and inhale structure 22, first magnetism inhale structure 22 encircle set up in induction coil 21's periphery side and/or first magnetism is inhaled structure 22 and is followed induction coil 21's inner peripheral side sets up.
Specifically, first magnetism is inhaled structure 22 and is spliced the cyclic annular of formation body structure in proper order by at least two first magnet steel units 221, or by at least two first magnet steel unit 221 encloses into the cyclic annular that has a fracture structure each other at an interval first magnet steel unit 221 includes the edge first magnetism is inhaled radial that sets gradually of structure 22 and is circular-arc first magnet steel 2211 and be circular-arc second magnet steel 2212, just second magnet steel 2212 set up in the periphery side of first magnet steel 2211, wherein, first magnet steel 2211 is along the perpendicular to the axial horizontal X of first magnetism is inhaled structure 22 is magnetized, second magnet steel 2212 is followed axial Y is magnetized.
In order to optimize the magnetization effect and simplify the magnetization process, in this embodiment, the magnetization of the first magnetic steel 2211 along the transverse direction X perpendicular to the axial direction of the first magnetic attraction structure 22 is performed along the radial direction of the first magnetic attraction structure 22 (see a diagram in fig. 6), or performed along a straight line perpendicular to a chord of an arc where the first magnetic steel 2211 is located (see b diagram in fig. 6).
Further, the wireless charging device 20 includes a transmitting coil assembly 3, the transmitting coil assembly 3 includes an annular transmitting coil 31 and an annular second magnetic attraction structure 32, the second magnetic attraction structure 32 is disposed around an outer peripheral side of the transmitting coil 31 and/or the second magnetic attraction structure 32 is disposed along an inner peripheral side of the transmitting coil 31, and the second magnetic attraction structure 32 and the first magnetic attraction structure 22 are coaxially disposed;
furthermore, the second magnetic attraction structure 32 is formed by sequentially splicing at least two second magnetic steel units 321 to form an annular structure, or at least two second magnetic steel units 321 are spaced from each other to form an annular structure with a fracture structure, each of the second magnetic steel units 321 includes a third magnetic steel 3211 and a fourth magnetic steel 3212, which are radially and sequentially arranged along the second magnetic attraction structure, and the fourth magnetic steel 3212 is arranged on the inner peripheral side of the third magnetic steel 3211, wherein the third magnetic steel 3211 is magnetized along a transverse X direction perpendicular to the axial direction of the second magnetic attraction structure 32, and the fourth magnetic steel 3212 is magnetized along an axial Y direction of the second magnetic attraction structure 32.
In order to optimize the magnetizing effect and simplify the magnetizing process, in this embodiment, the third magnetic steel 3211 is magnetized along a transverse direction X perpendicular to the axial direction of the second magnetic attraction structure 32, i.e., along a radial direction of the second magnetic attraction structure 32 (see a diagram in fig. 6), or along a straight line perpendicular to a chord of an arc where the third magnetic steel 3211 is located (see a diagram b in fig. 6), and the magnetizing directions of the third magnetic steel 3211 and the first magnetic steel 2211 are opposite, and the magnetizing directions of the fourth magnetic steel 3212 and the second magnetic steel 2212 are opposite.
In this embodiment, when the wireless charging device 20 is used in cooperation with the electronic device 10, the first magnetic steel unit 221 and the third magnetic steel unit 321 are in staggered matching, and the widths of the first magnetic steel 2211 and the third magnetic steel 3211 are equal and are aligned in the center.
In the above-mentioned structure, be annular first magnetism inhale structure 22 with second magnetism inhale structure 32 be used for electronic equipment 10 with wireless charging device 20's magnetism inhale the location for align through magnetic attraction between electronic equipment 10 and the wireless charging device 20, and provide restoring force automatic calibration central point in certain area and put, guarantee that the center aligns between induction coil 21 and the transmitting coil 31, the eddy current loss when having reduced wireless charging, thereby improved charging efficiency, heating when reducing to charge, the volume of magnet steel has been reduced simultaneously. In addition, the first magnetic attraction structure 22 and the second magnetic attraction structure 32 are designed to greatly reduce the back magnetic flux leakage, and have a larger magnetic attraction force and a translational restoring force.
It should be noted that, in order to further reduce magnetic leakage and improve magnetic attraction, a first soft magnetic layer is attached to one side and/or a side surface of the first magnetic structure 22 close to the support 1; one side and/or side of the second magnetic attraction structure 32 close to the support member 1 is/are provided with a second soft magnetic layer. In this embodiment, the first soft magnetic layer and the second soft magnetic layer are made of any one of a soft iron material, an amorphous material, and a nanocrystalline soft magnetic material.
More excellent, structure 22 and the second magnetism of above-mentioned first magnetism are inhaled structure 32 and have been used the matching mode of magnet steel dislocation to can increase the distance of magnet steel and soft magnetic layer on spatial distance, reduce the polarization of magnetic leakage to soft magnetic layer, can optimize magnetic structure simultaneously, reduce the diffusion of charging coil subassembly 2 magnetic leakage field to wireless charging area.
In this embodiment, the width of the first magnetic steel 2211 is greater than or equal to the width of the second magnetic steel 2212; the width of the third magnetic steel 3211 is greater than or equal to the width of the fourth magnetic steel 3212, the ratio of the widths of the first magnetic steel 2211 and the second magnetic steel 2212 is preferably 2:1, and the widths of the third magnetic steel 3211 and the fourth magnetic steel 3212 are preferably 2: 1. The width is perpendicular to the size of the axial direction of the first magnetic attraction structure or the second magnetic attraction structure.
In this embodiment, because there is protective sheath 30 electronic equipment 10 usually, this protective sheath 30 can lead to wireless charging device 20 with the perpendicular distance interval is too big and leads to magnetic attraction to reduce when electronic equipment 10 cooperation carries out wireless charging, and the magnetic leakage increase, charging efficiency reduces, consequently can be at the inside third magnet steel unit 40 of embedding of protective sheath 30 to reinforcing magnetic attraction reaches the effect of magnetism and inhale the alignment.
Specifically, the third magnetic steel unit 40 includes a fifth magnetic steel 401 corresponding to the first magnetic attraction structure 22 and/or a sixth magnetic steel 402 corresponding to the second magnetic attraction structure 32. It should be noted that the third magnetic steel unit 40 includes a fifth magnetic steel 401 corresponding to the first magnetic attraction structure 22 and/or a sixth magnetic steel 402 corresponding to the second magnetic attraction structure 32, and specifically includes three embodiments:
in a first embodiment, as shown in fig. 7, the third magnetic steel unit 40 includes a fifth magnetic steel 401 and a sixth magnetic steel 402, the magnetizing directions of the fifth magnetic steel 401 and the second magnetic steel 2212 are the same, and the magnetizing directions of the sixth magnetic steel 402 and the fourth magnetic steel 3212 are the same.
Referring to fig. 8, in the second embodiment, the third magnetic steel unit 40 includes a fifth magnetic steel 401, and the magnetizing directions of the fifth magnetic steel 401 and the second magnetic steel 2212 are the same.
In a third embodiment, referring to fig. 9, the third magnetic steel unit 40 includes a sixth magnetic steel 402, and the magnetizing directions of the sixth magnetic steel 402 and the fourth magnetic steel 3212 are the same.
In all the above three embodiments, the first magnetic steel 2211, the second magnetic steel 2212, the third magnetic steel 3211, the fourth magnetic steel 3212, the fifth magnetic steel 401 and/or the sixth magnetic steel 402 form a closed magnetic circuit structure.
Compared with the prior art, in the wireless charging system, the first magnetic attraction structure and the second magnetic attraction structure which are annular are used for magnetically attracting and positioning the electronic equipment and the wireless charging device, so that the electronic equipment and the wireless charging device are aligned through magnetic attraction, restoring force is provided in a certain area to automatically calibrate the central position, the central alignment between the induction coil and the transmitting coil is ensured, the eddy current loss during wireless charging is reduced, the charging efficiency is improved, the heating during charging is reduced, and the volume of magnetic steel is reduced. In addition, the design of first magnetism structure of inhaling with the structure is inhaled to the second magnetism, can greatly reduce back magnetic leakage, has the restoring force of great magnetic attraction and translation.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model.
Claims (9)
1. An electronic device comprising a support and a charging coil assembly disposed on the support; the charging coil assembly comprises an annular induction coil and an annular first magnetic attraction structure, wherein the first magnetic attraction structure is arranged on the outer peripheral side of the induction coil in a surrounding manner and/or is arranged along the inner peripheral side of the induction coil; the first magnetic attraction structure is formed by sequentially splicing at least two first magnetic steel units to form an annular structure, or at least two first magnetic steel units are mutually spaced to enclose an annular structure with a fracture structure, each first magnetic steel unit comprises a first magnetic steel in an arc shape and a second magnetic steel in an arc shape, which are sequentially arranged along the radial direction of the first magnetic attraction structure, and the second magnetic steel is arranged on the outer peripheral side of the first magnetic steel; the electronic equipment further comprises a protective sleeve, and a third magnetic steel unit is embedded into the protective sleeve.
2. The electronic device of claim 1, wherein a first soft magnetic layer is attached to one and/or a side of the first magnetic attraction structure close to the supporting member.
3. The electronic device of claim 1, wherein a width of the first magnetic steel is greater than or equal to a width of the second magnetic steel.
4. The electronic device of claim 3, wherein a width ratio of the first magnetic steel to the second magnetic steel is 2: 1.
5. a wireless charging system, comprising a wireless charging device and the electronic device of any one of claims 1-4, wherein the wireless charging device comprises a transmitting coil assembly, the transmitting coil assembly comprises an annular transmitting coil and an annular second magnetic attraction structure, the second magnetic attraction structure is disposed around an outer peripheral side of the transmitting coil and/or along an inner peripheral side of the transmitting coil, and the second magnetic attraction structure and the first magnetic attraction structure are coaxially disposed; the second magnetic attraction structure is in a ring shape with an integral structure formed by sequentially splicing at least two second magnetic steel units, or in a ring shape with a fracture structure formed by surrounding at least two second magnetic steel units at intervals, each second magnetic steel unit comprises a third magnetic steel in a circular arc shape and a fourth magnetic steel in a circular arc shape, which are sequentially arranged along the radial direction of the second magnetic attraction structure, and the fourth magnetic steel is arranged on the inner peripheral side of the third magnetic steel, wherein the third magnetic steel is magnetized along the axial direction perpendicular to the second magnetic attraction structure, the fourth magnetic steel is magnetized along the axial direction of the second magnetic attraction structure, the third magnetic steel is magnetized along the radial direction of the second magnetic attraction structure along the axial direction perpendicular to the second magnetic attraction structure, or is magnetized along the straight line perpendicular to the chord of the circular arc where the third magnetic steel is located, and the third magnetic steel is opposite to the first magnetic steel in magnetizing direction, the fourth magnetic steel and the second magnetic steel are opposite in magnetizing direction; when the wireless charging device is matched with the electronic equipment for use, the first magnetic steel unit is in dislocation matching with the second magnetic steel unit, and the first magnetic steel unit and the third magnetic steel unit are equal in width and aligned in the center.
6. The wireless charging system of claim 5, further comprising a protective cover disposed between the first magnetic attraction structure and the second magnetic attraction structure, and a third magnetic steel unit embedded in the protective cover, wherein the third magnetic steel unit comprises a fifth magnetic steel corresponding to the first magnetic attraction structure and/or a sixth magnetic steel corresponding to the second magnetic attraction structure, the fifth magnetic steel and the second magnetic steel have the same magnetizing direction, and the sixth magnetic steel and the fourth magnetic steel have the same magnetizing direction.
7. The wireless charging system of claim 5, wherein a second soft magnetic layer is attached to one and/or a side of the second magnetic attraction structure close to the supporting member.
8. The wireless charging system of claim 5, wherein a width of the third magnetic steel is greater than or equal to a width of the fourth magnetic steel.
9. The wireless charging system of claim 8, wherein the width ratio of the third magnetic steel to the fourth magnetic steel is 2: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180637.1U CN216162473U (en) | 2021-09-09 | 2021-09-09 | Electronic equipment and wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180637.1U CN216162473U (en) | 2021-09-09 | 2021-09-09 | Electronic equipment and wireless charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216162473U true CN216162473U (en) | 2022-04-01 |
Family
ID=80847859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122180637.1U Expired - Fee Related CN216162473U (en) | 2021-09-09 | 2021-09-09 | Electronic equipment and wireless charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216162473U (en) |
-
2021
- 2021-09-09 CN CN202122180637.1U patent/CN216162473U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2576274B1 (en) | A wireless power receiving unit, a wireless power transferring unit, a wireless power transferring device and use of a wireless power transferring device | |
| JP2002199598A (en) | Contactless battery charger | |
| JP6179160B2 (en) | Wireless power transmission equipment | |
| CN216162473U (en) | Electronic equipment and wireless charging system | |
| CN106961162B (en) | Wireless power transmission device with large alignment space | |
| JP5918020B2 (en) | Non-contact power supply coil | |
| CN108962570A (en) | A kind of wireless charging modular structure | |
| CN215580560U (en) | Wireless charging electromagnetic positioning structure, wireless charging module and wireless charger | |
| KR101477408B1 (en) | Coil sheet including core and contactless power transmission device including the same | |
| CN105957701B (en) | A kind of modified line rule wireless power transmission magnetic coupling coil design approaches | |
| CN108711946A (en) | A kind of electric energy transmission device, charging system and charging suite | |
| CN216390610U (en) | Coil unit, wireless charging system, charger and consumer | |
| CN214850646U (en) | Wireless charging electromagnetic positioning structure, wireless charging module and wireless charger | |
| CN112803603A (en) | Electronic equipment and wireless charging system | |
| CN215580561U (en) | Wireless charging electromagnetic positioning structure, wireless charging module and wireless charger | |
| WO2022104915A1 (en) | Electronic device and wireless charging system | |
| CN215580559U (en) | Wireless charging electromagnetic positioning structure, wireless charging module and wireless charger | |
| CN208158237U (en) | A kind of wireless charging modular structure | |
| CN107967980A (en) | Axial charging device | |
| CN112803602A (en) | Electronic equipment and wireless charging system | |
| CN218976381U (en) | Wireless charging adsorption structure | |
| CN211701625U (en) | Device with magnet | |
| CN215990333U (en) | Wireless charging electromagnetic positioning structure, wireless charging module and wireless charger | |
| CN2919484Y (en) | No-noise low-magnetic-leakage power supply transformer | |
| CN112803607A (en) | Wireless charging electromagnetic positioning structure, wireless charging module and wireless charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220401 |