CN115940438A - Back plate type power supply system for movable power utilization terminal - Google Patents
Back plate type power supply system for movable power utilization terminal Download PDFInfo
- Publication number
- CN115940438A CN115940438A CN202211683392.7A CN202211683392A CN115940438A CN 115940438 A CN115940438 A CN 115940438A CN 202211683392 A CN202211683392 A CN 202211683392A CN 115940438 A CN115940438 A CN 115940438A
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- CN
- China
- Prior art keywords
- power supply
- power
- terminal
- wireless charging
- metal
- 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
- 239000002184 metal Substances 0.000 claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 claims abstract description 48
- 239000000178 monomer Substances 0.000 claims abstract description 20
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 8
- 239000000696 magnetic material Substances 0.000 claims description 31
- 238000002955 isolation Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
-
- 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
-
- 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 backboard type power supply system for a movable power utilization terminal, which comprises a power supply backboard, a wireless charging monomer unit and the power utilization terminal, wherein the power supply backboard is connected with the power utilization terminal; the power supply back plate supplies power to the power utilization terminal through the wireless charging single unit; the power supply back plate comprises a printed circuit board, and interdigital electrodes are printed on the surface of the printed circuit board; the wireless charging single unit comprises a shell, a plurality of metal pins, a direct current bridge stack, a power converter A and a charging transmitting end coil; the metal needles are embedded on the surface of the shell, the power converter A and the charging transmitting end coil are located in the shell, one end of each metal needle is connected with the input end of the direct current bridge stack, and when the wireless charging monomer units are adsorbed on the power supply back plate, the other end of each metal needle is connected with the interdigital electrode; and the positive electrode and the negative electrode are connected with metal needles on the interdigital fingers; the output end of the direct current bridge stack is connected with a charging transmitting end coil after passing through a power supply converter A; for converting electricity into an electromagnetic field to power the consumer terminal.
Description
Technical Field
The invention belongs to the field of electric energy conversion power supply systems, and particularly relates to a back plate type power supply system for a movable electric terminal.
Background
In the patent application document CN202111446243.4, "an interactive demonstration system and method based on a power-suppliable smart board", and the patent application document CN202121739511.7, "an intelligent display system with flexible combination of liquid crystal display", an interactive demonstration system is disclosed. The system can adsorb a plurality of screens on the back plate, realizes a bulletin board with a plurality of screens capable of being freely combined and capable of realizing free man-machine interaction, and achieves a good display effect.
However, for the display board which is connected to the back board, is freely combined by a plurality of screens and is free in man-machine interaction, the back surface of the display board needs to be connected with a plurality of wires, the power supply position for the screens is fixed, and if the display board can be used for enabling an operator to freely move the screens and obtain power supply on the basis, the man-machine interaction effect is more friendly.
Furthermore, if the power supply system is not limited to supply power to the display screen, the power supply system can supply power to various power consumption terminals, and the power consumption terminals can still obtain electric energy after freely moving on the back plate, so that the power supply terminals can be more conveniently displayed.
Disclosure of Invention
The invention aims to solve the problem that a user can still obtain a power supply under the condition of moving the power utilization terminal on the back plate;
the invention discloses a back plate type power supply system for a movable electric terminal, which comprises a power supply back plate, a wireless charging monomer unit and an electric terminal, wherein the power supply back plate is connected with the electric terminal through a wireless charging unit; the power supply back plate supplies power to the power utilization terminal through the wireless charging single unit;
the power supply back plate and the power utilization terminal are respectively adsorbed on two side surfaces of the wireless charging monomer unit;
the power supply back plate comprises a printed circuit board, and interdigital electrodes are printed on the surface of the printed circuit board.
The wireless charging single unit comprises a shell, a plurality of metal pins, a direct current bridge stack, a power converter A and a wireless charging transmitting terminal module;
the metal needles are embedded on the surface of the shell, the power converter A and the charging transmitting end coil are positioned in the shell, one end of each metal needle is connected with the input end of the direct current bridge stack, and the output end of the direct current bridge stack is connected with the charging transmitting end coil after passing through the power converter A; the power supply system is used for converting electricity into an electromagnetic field and supplying power to a power utilization terminal, and the power utilization terminal comprises a charging receiving terminal coil;
when the wireless charging monomer unit is adsorbed on the power supply backboard, the other end of the metal needle is connected with the interdigital electrode; and the positive electrode interdigital and the negative electrode interdigital are connected with metal needles.
The direct current bridge rectifier has the function that a power supply obtained by the metal needle can be arranged into an internal power supply with the positive and negative unchanged no matter how the input positive and negative electrodes of the power supply change, so that power is supplied to the power converter A.
The power converter A is used for converting direct current into direct current and providing stable and reliable direct current power.
Further, the power supply back plate comprises a magnetic material plate A and an isolation plate B; the isolating plate B is positioned between the magnetic material plate A and the printed circuit board and is used for isolating electric conduction;
the wireless charging monomer unit comprises a magnetic material B, and a magnetic material C is arranged in or on the surface of the electric terminal;
the magnetic material B is used for being adsorbed by the magnetic material plate A in the power supply backboard and the magnetic material C of the power utilization terminal, so that the wireless charging monomer unit is adsorbed by the power supply backboard, and the power utilization terminal is adsorbed by the wireless charging monomer.
Furthermore, the power supply backboard further comprises a protection board and an isolation board A, wherein the isolation board A is arranged between the protection boards of the magnetic material board A, and the protection board is further arranged around the power supply backboard and used for protecting the magnetic material board A, the isolation board B and the printed circuit board.
Furthermore, the plurality of metal needles surround into a circle, and all the metal needles are uniformly distributed on the same circumference. The interdigital width d1 of the interdigital electrode and the gap distance d2 between adjacent interdigital; the diameter of a circle formed by the plurality of metal needles is R; in order to ensure that at least one metal needle and other metal needles are bridged on two adjacent anode and cathode interdigital fingers, the design size R is larger than d1+ d2, and the distance between the two adjacent metal needles is smaller than 2d1+ d2. The metal needle is a spring copper needle.
Furthermore, the power consumption terminal further comprises a power converter B, and the power converter B is connected with the wireless charging receiving end module and used for converting electric energy and supplying power to the power consumption terminal.
Advantageous effects
The backboard type power supply system for the movable electric terminal can supply power to various electric terminals, and the electric terminals can still obtain electric energy after freely moving on the backboard, so that the display of the power supply terminal is facilitated.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
fig. 2 is a side view of the wireless charging unit and the electric terminal of fig. 1;
fig. 3 is an external view of a side of the wireless charging unit facing the charging backboard according to the embodiment of the present invention;
fig. 4 is an external view of a wireless charging unit facing a power consumption terminal according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a principle of an internal bridge rectifier of the wireless charging unit according to the embodiment of the present invention.
Wherein: 1. a power supply backplane; 2. a wireless charging unit; 21. a metal needle; 22. a groove; 3. and (4) a power utilization terminal.
Detailed Description
The invention discloses a backboard type power supply system for a movable electricity using terminal, which comprises a power supply backboard 1, a wireless charging monomer unit 2 and an electricity using terminal 3;
the power supply back plate 1 supplies power to the power utilization terminal 3 through the wireless charging single unit 2; the electricity utilization end in the invention can be a display screen and other terminals; as shown in fig. 1, the wireless charging unit 2 is adsorbed on the power supply backboard 1, and the wireless charging display screen is adsorbed on the wireless charging unit 2. As shown in fig. 2, is a side view of the wireless charging unit 2 and the power consumption terminal 3 in fig. 1. A plurality of wireless charging monomer units 2 can be adsorbed on the power supply back plate 1, and one wireless charging monomer unit 2 adsorbs one power utilization terminal 3;
the power supply back plate 1 comprises a protection plate, an isolation plate A, a magnetic material plate A, an isolation plate B and a printed circuit board which are sequentially attached. In this embodiment, the power supply backplane 1 is 600mm × 600mm in size.
The position of the protection plate is the back of the power supply back plate 1, and the protection plate is also wrapped on the edge of the power supply back plate 1; the protective plate is made of an acrylic plate or an iron plate;
the isolation plate A is arranged between the protective plate and the magnetic material plate A, is used for isolating the conduction of electricity and is made of an acrylic plate;
the magnetic material plate A is arranged between the isolation plate A and the isolation plate B and used for adsorbing the wireless charging monomer;
the isolation board B is arranged between the iron/magnetic material board A and the printed circuit board, is used for isolating electric conduction and is made of an acrylic board;
interdigital electrodes are printed on the surface of the printed circuit board; the anode and the cathode of the interdigital electrode are respectively connected with the anode and the cathode of the power supply device; the power supply device is a set of power supplies which are larger than 12 volts and smaller than 36 volts and used for supplying power to the printed circuit board so as to supply power to the wireless charging single unit 2.
The wireless charging single unit 2 comprises a shell, a plurality of metal pins 21, a magnetic material B, a direct current bridge stack, a power converter A and a wireless charging transmitting terminal module; in this embodiment, the diameter is 124mm.
As shown in fig. 3, the metal pins 21 are all embedded in the housing, the power converter a and the wireless charging emitter module are both located in the housing, one end of the metal pin 21 is connected to the input end of the dc bridge stack, when the wireless charging unit 2 is attached to the power supply backplane 1, the other end of the metal pin 21 is connected to the interdigital electrode, the metal pins 21 are connected to the positive and negative interdigital electrodes, and the output end of the dc bridge stack is connected to the wireless charging emitter module via the power converter a; the wireless charging system is used for converting electricity into an electromagnetic field and supplying power to the electric terminal 3, and a wireless charging receiving end module is arranged in the electric terminal 3.
The number of the metal needles 21 is at least five, the diameter of a circle formed by the metal needles 21 is R, the width d1 of the interdigital electrode and the gap distance d2 between the adjacent interdigital are equal; in order to ensure that at least one metal needle and other metal needles are bridged on two adjacent positive and negative electrode interdigital fingers, the design size R is larger than d1+ d2, and the distance between two adjacent metal needles 21 is smaller than 2d1+ d2; in addition, the inter-finger spacing d2 is greater than twice the diameter of the pogo pins to prevent the risk of short circuits.
The metal needle 21 is a spring copper needle, and the model is Huashen spring copper needle with 2 amperes of A543 and 3.8 × 8.0;
one or more magnetic materials B are arranged in the shell or on the surface of the shell and are used for being adsorbed with the power supply back plate 1 or the power utilization terminal 3; .
As shown in fig. 5, the dc bridge stack is used to arrange the power obtained from the metal pins 21 into an internal power source with the positive and negative unchanged no matter how the positive and negative of the multiple inputs are changed, so as to supply power to the power converter a. In this embodiment, the number of the metal pins 21 is six, the input of the dc bridge stack is also six, T1 to T6 represent the metal pins 21, D1 to D12 are diodes, which ensure the direction of current movement, and Vin and GND are the positive and negative poles of the internal power supply passing through the dc bridge stack. No matter how the positive and negative of T1-T6 are changed, at least one group of metal needles and other metal needles are bridged on the adjacent two positive and negative interdigital electrodes, so that stable Vin and GND can be obtained.
The power converter a is used for converting the electric energy supplied by the power supply larger than 12 v on the power supply backplane 1 into a stable 12 v power supply, and the design reason is that the power supply backplane 1 may supply power to a plurality of wireless charging single units 2 with an uncertain number, so that voltage needs to be increased; secondly, the interdigital electrodes provide electric conduction on the power supply backboard 1, which also brings larger electromagnetic interference. Therefore, a secondary power conversion circuit needs to be designed in the wireless charging unit 2. In this embodiment, a standard dc-dc conversion scheme developed based on a TMI33431E chip is adopted, and the input range is greater than 12 volts and less than 36 volts.
The wireless charging transmitting terminal module is a group of coils and is used for converting electric power into an electromagnetic field and supplying power to a nearby power utilization terminal 3 containing the wireless charging receiving terminal module through the electromagnetic field. In the embodiment of the invention, the wireless charging transmitting terminal module adopts a QI-35 model 20W high-power wireless quick-charging charger transmitting terminal module.
The power consumption terminal 3 comprises a wireless charging receiving end module, a power converter B and a magnetic material C.
The wireless charging receiving end module is a group of coils and is used for receiving nearby electromagnetic fields, converting energy of the electromagnetic fields into electric power and supplying the electric power to the power converter B. In the embodiment of the invention, the wireless charging receiving end module is a QI-35 model 20W high-power wireless quick-charging charger receiving end module.
The power converter B is configured to provide power to the electric terminal 3, for example, in an embodiment of the present invention, the electric terminal 3 may be a touch display screen; and displaying the information and receiving the operation of the user. In the embodiment of the invention, a 10.1-inch touch display screen manufactured by Jiangsu Austin photoelectric technology GmbH is adopted.
The magnetic material C is disposed inside or on the surface of the power consumption terminal 3, and is attracted to the magnetic material B in the wireless charging unit 2 by an electromagnetic force. As shown in fig. 4, the magnetic material B in the embodiment of the present invention includes a magnetic material B1 and a magnetic material B2, where the magnetic material B1 is located on the surface or inside of the housing of the wireless charging unit 2, and is located at a side adjacent to the power supply backplane 1, and is used for being attracted to the power supply backplane 1; magnetic material B2 is located wireless 2 casings of monomer unit that charge, the neighbouring one side of power consumption terminal 3, a surface for adsorbing with power consumption terminal 3, set up fluted 22 towards power consumption terminal 3 on wireless 2 casings of monomer unit that charge, 3 surfaces of power consumption terminal that correspond are provided with the arch, when being used for wireless monomer unit 2 that charge and power consumption terminal 3 to adsorb, the arch on power consumption terminal 3 surface cooperatees with the recess 22 on wireless 2 casing surfaces of monomer unit that charge, better location power consumption terminal 3.
Claims (8)
1. A backboard type power supply system for a movable electric terminal is characterized by comprising a power supply backboard, a wireless charging single unit and the electric terminal; the power supply back plate supplies power to the power utilization terminal through the wireless charging single unit;
the power supply back plate and the power utilization terminal are respectively adsorbed on two side surfaces of the wireless charging monomer unit;
the power supply back plate comprises a printed circuit board, and interdigital electrodes are printed on the surface of the printed circuit board;
the wireless charging single unit comprises a shell, a plurality of metal pins, a direct current bridge stack, a power converter A and a charging transmitting end coil;
the metal needles are embedded on the surface of the shell, the power converter A and the charging transmitting end coil are located in the shell, one end of each metal needle is connected with the input end of the direct-current bridge stack, and when the wireless charging monomer units are adsorbed on the power supply back plate, the other end of each metal needle is connected with the interdigital electrode; and the positive electrode and the negative electrode are connected with metal needles on the interdigital fingers;
the output end of the direct current bridge stack is connected with a charging transmitting end coil after passing through a power supply converter A; the power supply device is used for converting electricity into an electromagnetic field and supplying power to a power utilization terminal, and the power utilization terminal comprises a charging receiving terminal coil.
2. A backplate-type power supply system for a movable electric terminal according to claim 1, wherein the power supply backplate comprises a plate a of magnetic material and a plate B of insulation; the isolation plate B is positioned between the magnetic material plate A and the printed circuit board and is used for isolating electric conduction;
the wireless charging unit comprises a magnetic material B, and a magnetic material C is arranged in or on the surface of the electric terminal;
magnetic material B is used for adsorbing with magnetic material board A in the power supply backplate and magnetic material C at power consumption terminal to make wireless monomer unit and the power supply backplate of charging adsorb, power consumption terminal and the wireless monomer that charges adsorb.
3. A backplate-type power supply system for a movable electrical terminal in accordance with claim 1, wherein the power supply backplate further comprises a protection plate and a shielding plate a, the shielding plate a being disposed between the plates of magnetic material a and the protection plate being further disposed around the power supply backplate.
4. A backplane power supply system for portable electric terminals according to claim 1, wherein the plurality of metal pins surround a circle, and all the metal pins are uniformly distributed on the same circle.
5. The backplane power supply system for portable electric terminals according to claim 4, wherein the inter-digital width d1 of the inter-digital electrodes, the gap distance d2 between adjacent inter-digital electrodes;
the diameter of a circle formed by the plurality of metal needles is R;
in order to ensure that at least one metal needle and other metal needles are bridged on two adjacent anode and cathode interdigital fingers, the design size R is larger than d1+ d2, and the distance between the two adjacent metal needles is smaller than 2d1+ d2.
6. A backplane power supply system for portable electrical terminals according to claim 1, wherein the metal pins are pogo copper pins.
7. A backplane power supply system for portable electrical terminals according to claim 1, wherein the number of metal pins is at least 5.
8. A backplane power supply system for portable electric terminals according to claim 1, wherein the electric terminal further comprises a power converter B, and the power converter B is connected to the charging receiving coil.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211683392.7A CN115940438A (en) | 2022-12-27 | 2022-12-27 | Back plate type power supply system for movable power utilization terminal |
| PCT/CN2023/072985 WO2024138817A1 (en) | 2022-12-27 | 2023-01-18 | Backplane type power supply system for movable electric terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211683392.7A CN115940438A (en) | 2022-12-27 | 2022-12-27 | Back plate type power supply system for movable power utilization terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115940438A true CN115940438A (en) | 2023-04-07 |
Family
ID=86653860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211683392.7A Pending CN115940438A (en) | 2022-12-27 | 2022-12-27 | Back plate type power supply system for movable power utilization terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115940438A (en) |
| WO (1) | WO2024138817A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024138817A1 (en) * | 2022-12-27 | 2024-07-04 | 江苏奥斯汀光电科技股份有限公司 | Backplane type power supply system for movable electric terminal |
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| US20090236140A1 (en) * | 2007-10-12 | 2009-09-24 | Mitch Randall | Wireless power receiver module |
| US20140217965A1 (en) * | 2013-02-06 | 2014-08-07 | Ford Global Technologies, Llc | Device for wireless charging having a plurality of wireless charging protocols |
| CN203951239U (en) * | 2014-07-09 | 2014-11-19 | 广州龙赢动漫科技有限公司 | The power taking of a kind of place and charging device |
| CN109690899A (en) * | 2016-09-30 | 2019-04-26 | 英特尔公司 | Fabric device for charging |
| CN109792166A (en) * | 2016-09-21 | 2019-05-21 | 苹果公司 | The detection of object's position and orientation in wireless charging electrical pad |
| CN111670528A (en) * | 2019-01-04 | 2020-09-15 | 获领株式会社 | Wireless charging system for portable terminal equipment |
| KR20220054926A (en) * | 2020-10-26 | 2022-05-03 | (주)훠링 | Portable terminal wireless charging system having multiple contact points |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101790891B1 (en) * | 2016-10-04 | 2017-10-26 | 박서우 | The magnetic attaching type wireless charger |
| CN110518648A (en) * | 2018-09-20 | 2019-11-29 | 深圳市泰而法光电有限公司 | By the mobile communication terminal component of magnetic electrical contact charging |
| CN110111700A (en) * | 2019-05-17 | 2019-08-09 | 深圳市梅塞德斯科技有限公司 | A kind of wireless charging advertisement machine and its advertisement broadcast method |
| CN112018832A (en) * | 2019-05-31 | 2020-12-01 | 余姚煜昌电器有限公司 | Wireless charging device and wireless charging lighting system |
| CN115940438A (en) * | 2022-12-27 | 2023-04-07 | 江苏奥斯汀光电科技股份有限公司 | Back plate type power supply system for movable power utilization terminal |
-
2022
- 2022-12-27 CN CN202211683392.7A patent/CN115940438A/en active Pending
-
2023
- 2023-01-18 WO PCT/CN2023/072985 patent/WO2024138817A1/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090236140A1 (en) * | 2007-10-12 | 2009-09-24 | Mitch Randall | Wireless power receiver module |
| US20140217965A1 (en) * | 2013-02-06 | 2014-08-07 | Ford Global Technologies, Llc | Device for wireless charging having a plurality of wireless charging protocols |
| CN203951239U (en) * | 2014-07-09 | 2014-11-19 | 广州龙赢动漫科技有限公司 | The power taking of a kind of place and charging device |
| CN109792166A (en) * | 2016-09-21 | 2019-05-21 | 苹果公司 | The detection of object's position and orientation in wireless charging electrical pad |
| CN109690899A (en) * | 2016-09-30 | 2019-04-26 | 英特尔公司 | Fabric device for charging |
| CN111670528A (en) * | 2019-01-04 | 2020-09-15 | 获领株式会社 | Wireless charging system for portable terminal equipment |
| KR20220054926A (en) * | 2020-10-26 | 2022-05-03 | (주)훠링 | Portable terminal wireless charging system having multiple contact points |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024138817A1 (en) * | 2022-12-27 | 2024-07-04 | 江苏奥斯汀光电科技股份有限公司 | Backplane type power supply system for movable electric terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024138817A1 (en) | 2024-07-04 |
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