CN104682525A - Emitting disc for wireless charging of electric automobile - Google Patents
Emitting disc for wireless charging of electric automobile Download PDFInfo
- Publication number
- CN104682525A CN104682525A CN201510055510.3A CN201510055510A CN104682525A CN 104682525 A CN104682525 A CN 104682525A CN 201510055510 A CN201510055510 A CN 201510055510A CN 104682525 A CN104682525 A CN 104682525A
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- CN
- China
- Prior art keywords
- electric automobile
- wire
- wireless charging
- core
- insulating barrier
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides an emitting disc for wireless charging of an electric automobile. The emitting disc comprises an emitting coil and a magnetism isolating sheet, wherein the emitting coil comprises a heat dissipating pipe, inside which flowing heat-dissipating liquid flows, a wire core, which is formed through connecting two or more strands of enameled wires in parallel, and an insulating layer made from an insulating material; the flowing heat-dissipating liquid flows in the heat dissipating pipe, so that conducting wires can be subjected to circulating heat dissipation; by adopting the wire core which is formed through connecting multiple strands of enameled wires in parallel, a skin effect can be effectively lightened, and the utilization ratio of current is increased; an insulating layer plays a role in waterproofing, insulating and resisting high voltage; the magnetism isolating sheet is arranged between the emitting coil and a charging host machine core and can be used for carrying out magnetic field shielding on the charging host machine core. Thus, the emitting disc for the wireless charging of the electric automobile, provided by the invention, has the advantages of high current utilization ratio, waterproofing, high-voltage resistance and magnetic-field interference resistance.
Description
Technical field
The application relates to electric automobile wireless charging field, particularly relates to a kind of electric automobile wireless charging transmitting dish.
Background technology
Along with petering out of earth petroleum resources, and the aggravation that earth environment pollutes, automobile is as one of primary pollution source, and while bringing convenience to people's life, it also can not be ignored the pollution of environment.In order to reduce the pollution of automobile to environment, electric automobile is more and more extensive with the application of its environmental protection in people's life, and the popularization of electric automobile is very helpful to solution energy problem and environmental problem tool.
Charging modes many employings wired of current electric automobile, namely wire is adopted to be connected with the electric energy storage device of electric automobile by charging pile, wired is adopted to charge to electric automobile, there is fail safe low, the feature of convenience difference, the mode of wireless charging is adopted to charge to electric automobile, significant to the popularization of electric automobile, be one of vitals in wireless electric vehicle charging device for converting electrical energy into the electric automobile wireless charging transmitting dish of magnetic energy.
Summary of the invention
The application provides a kind of electric automobile wireless charging transmitting dish, comprises transmitting coil and antifreeze plate; Transmitting coil is entwined at same plane inside spin by wire; Antifreeze plate is placed between transmitting coil and charging host movement, carries out magnetic field shielding for carrying out to charging host movement; Wire comprises core, insulating barrier and radiating tube; The tube wall of radiating tube is made up of insulating material, is connected with the radiator liquid of flowing in tube wall, for dispelling the heat to wire; Core is formed in parallel by more than two strands or two strands enamelled wires; The diameter of transmitting dish sets according to power.
Above-mentioned enamelled wire is copper cash enamelled wire, aluminum steel enamelled wire or alloy enamelled wire.
The copper cash enamelled wire that above-mentioned core is 0.1mm by diameter is formed in parallel.
Above-mentioned wire comprises radiating tube, core and the insulating barrier placed successively from inside to outside, and core is covered in outside radiating tube.
Above-mentioned wire comprises the core and insulating barrier placed successively from inside to outside, and insulating barrier is covered in outside core; Radiating tube is placed in outside insulating barrier, with insulating barrier thermo-contact.
The insulating material that above-mentioned insulating barrier is formed by rubber or plastics is made.
Above-mentioned antifreeze plate is made up of Ferrite Material.
The insulating material that the tube wall of above-mentioned radiating tube is formed by high-temperature resistant rubber or high-temperature resistance plastice is made.
The beneficial effect of the application is; The application provides a kind of electric automobile wireless charging transmitting dish, comprise transmitting coil and antifreeze plate, wherein transmitting coil comprises the core that inside is connected with the radiating tube of the radiator liquid of flowing, more than two strands or two strands enamelled wires are formed in parallel, and the insulating barrier be made up of insulating material; In radiating tube, be connected with the radiator liquid of flowing, circulation cooling can be carried out to wire; Adopt the parallel connection of multiply enamelled wire to form core and effectively can alleviate kelvin effect, improve the utilance of electric current, insulating barrier has waterproof, insulation, high voltage withstanding effect; Antifreeze plate is placed between transmitting coil and charging host movement, can carry out magnetic field shielding to charging host movement.Therefore this application provides that a kind of current utilization rate is high, the electric automobile wireless charging transmitting dish of waterproof, high voltage withstanding, anti-magnetic interference.
Accompanying drawing explanation
Fig. 1 is a kind of electric automobile wireless charging of the application transmitting dish example structure schematic diagram;
Fig. 2 is the embodiment of the present application wire spiral winding schematic diagram;
Fig. 3 is energization solenoid magnetic induction line distribution schematic diagram;
Fig. 4 is hot-wire coil magnetic induction line distribution schematic diagram;
Fig. 5 is transmitting coil and receiving coil magnetic line of force schematic diagram;
Fig. 6 is transmitting coil and the receiving coil magnetic line of force schematic diagram with antifreeze plate;
Fig. 7 is a kind of embodiment conductor structure of the application schematic diagram;
Fig. 8 is the application's another kind of embodiment conductor structure schematic diagram;
Fig. 9 is the third embodiment conductor structure schematic diagram of the application;
Figure 10 is the application's the 4th kind of embodiment conductor structure schematic diagram;
Figure 11 is the application's the 5th kind of embodiment conductor structure schematic diagram.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
As shown in Figure 1, Fig. 1 is the embodiment of the present application structural representation, and the application provides a kind of electric automobile wireless charging transmitting dish, comprises transmitting coil 1 and antifreeze plate 2.Transmitting coil 1 is formed by wire spiral winding, and in particular, transmitting coil 1 is entwined at same plane inside spin by wire.Fig. 2 is the embodiment of the present application wire spiral winding schematic diagram, by a wire in same plane from inner circumferential spiral winding to periphery, formed transmitting coil 1.
Electric automobile wireless charging transmitting dish be generally placed in can carry out electric automobile wireless charging the road surface on fixing parking stall below.Can magnetic field be produced around electrical conductor, after therefore the transmitting coil 1 of non-vehicle end is energized, can magnetic signal be converted electrical signals to; According to electromagnetic induction principle, when the magnetic flux in closed conductor changes, conductor will produce induced current, utilize this principle, the magnetic signal received is converted to the signal of telecommunication by the receiving coil of vehicle end.When carrying out the wireless charging of electric automobile, if operating frequency is 20kHz, charge power is about 20 ~ 30kw, therefore between the transmitting coil 1 of non-vehicle end and the receiving coil of vehicle end, magnetic field intensity is stronger, if do not shield magnetic circuit, electromagnetic interference will be caused to the wireless charging device of non-vehicle end in the magnetic field of electric automobile wireless charging transmitting dish, affect the operating efficiency of non-vehicle end wireless charging device, the damage of electronic device can be caused when serious, make its cisco unity malfunction, therefore on the magnetic circuit not needing magnetic field to pass through, carry out shielding to disturbing magnetic field to be very important.
When field frequency is lower than 100kHz, the shielding measure in magnetic field mainly depends on the magnet short-cut path effect that high-permeability material plays, and utilizes the high magnetic permeability characteristic of Ferrite Material to carry out magnetic field short circuit to disturbing magnetic field.Electric field has power line, and there is the magnetic line of force in magnetic field, and the path that the magnetic line of force passes through is called magnetic circuit, and magnetic circuit & circuit has similar feature.Magnetic circuit has magnetic resistance, and magnetic resistance is relevant with the length of magnetic circuit, the sectional area of magnetic circuit and relative permeability.Relative permeability refers to the ratio of the magnetic permeability of metal and the magnetic permeability of air.Magnetic permeability is larger, and magnetic resistance is less, and magnetic flux mainly selects the material by high magnetic permeability.If there is the magnetic field path of high magnetic permeability in magnetic field, then magnetic flux is just greatly reduced by the part of surrounding air relatively, and the magnetic interference of surrounding air is also greatly reduced simultaneously, and Fig. 5 is transmitting coil 1 and receiving coil magnetic line of force schematic diagram; Fig. 6 is transmitting coil 1 and the receiving coil magnetic line of force schematic diagram with antifreeze plate 2; As shown in Figure 6, when arranging antifreeze plate 2 respectively to transmitting coil 1 and receiving coil, there is refraction and change magnetic circuit in the magnetic line of force, namely the magnetic line of force cannot pass through antifreeze plate 2 and treats shielding device and cause magnetic interference, thus treats the effect that shielding device serves magnetic field shielding in antifreeze plate 2.Specifically, as shown in Figure 1, in the present embodiment, the antifreeze plate 2 adopting Ferrite Material to make is placed between transmitting coil 1 and charging host movement 3, carries out magnetic field shielding for carrying out to charging host movement 3.The structure of above-mentioned charging host movement 3 is set forth in the patent application document of 201410856362.0 at application number, repeats no more herein.
When high-frequency current passes through in the conductor, along with the distance with conductive surface increases gradually, the current density in conductor is exponentially successively decreased, and the electric current namely in conductor is concentrated in the surface of conductor.From the cross section vertical with electric current, the core current strength of conductor is zero substantially, does not namely almost have electric current to flow through, only has electric current in the part of conductor edge.Be exactly the parts of skin of current convergence at conductor briefly, so be referred to as kelvin effect.The electromagnetic field that the reason producing this effect mainly changes creates eddy electric field at conductor, offsets with original electric current.If obviously only use in frequency applications a wire because of its surface area relatively little, so current utilization rate will reduce greatly, and the serious or signal attenuation of conductor overheating is increased, and this is obviously that we are undesirable.Alleviating one of the simplest method of kelvin effect is exactly adopt stranded conductor parallel connection to use, and the magnetic field that electric current is produced is relatively more even, generally provides more large-area " skin " path to electric current exactly.Power is identical and volume is identical when, it is more much smaller than adopting the caloric value of sub-thread enamelled wire to adopt multiply enamelled wire.
In the present embodiment, as shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 give the embodiment schematic diagram of conductor structure.Wire comprises core 11, insulating barrier 12 and radiating tube 13, Fig. 7 is a kind of embodiment conductor structure of the application schematic diagram, in the figure 7, radiating tube 13, core 11 and insulating barrier 12 are placed from inside to outside successively, namely core 11 is covered in outside radiating tube 13, insulating barrier 12 is covered in outside core 11, and radiating tube 13 is positioned at the center of wire, and core 11 annular be made up of multiply enamelled wire 111 is covered in outside radiating tube 13.In another kind of embodiment, as shown in Figure 8, radiating tube 13, core 11 and insulating barrier 12 are placed from inside to outside successively, namely core 11 is covered in outside radiating tube 13, insulating barrier 12 is covered in outside core 11, but radiating tube 13 is not limited to the center being arranged at wire, the position that wire center is to the left, to the right, on the upper side or on the lower side can be positioned at.Fig. 9 is the third embodiment conductor structure of the application signal circle, and as shown in Figure 9, wire comprises core 11, radiating tube 13 and the insulating barrier 12 placed successively from inside to outside, and radiating tube 13 is covered in outside core 11, and insulating barrier 12 is covered in outside radiating tube 13.Figure 10 is the application's the 4th kind of embodiment conductor structure schematic diagram, and as shown in Figure 10, wire comprises the core 11 and insulating barrier 12 placed successively from inside to outside, and insulating barrier 12 is covered in outside core 11; Radiating tube 13 is covered in outside insulating barrier 12, with insulating barrier 12 thermo-contact.Figure 11 is the application's the 5th kind of embodiment conductor structure schematic diagram, and as shown in figure 11, wire comprises the core 11 and insulating barrier 12 placed successively from inside to outside, and insulating barrier 12 is covered in outside core 11; Radiating tube 13 is placed in outside insulating barrier 12, with insulating barrier 12 thermo-contact.In the present embodiment, the insulating material that the tube wall of radiating tube 13 is formed by high-temperature resistant rubber or high-temperature resistance plastice is made.In tube wall, be connected with the radiator liquid of the flowing of flowing, radiating tube 13 and wire thermo-contact, for dispelling the heat to wire.In radiating tube 13 tube wall, be connected with the radiator liquid of flowing, the radiator liquid of this flowing is the radiating insulating liquid that water, oil or mixing material are formed, and the radiator liquid of flowing is at radiating tube 13 wall internal circulation flow.In other embodiments, radiating tube 13 can be connected with a heat dissipation circulating system, the radiator liquid of the flowing in radiating tube 13 can circulate in heat dissipation circulating system, thus has taken away the heat produced in the wire course of work, achieves the heat radiation to wire.
In the present embodiment, core 11 is formed in parallel by more than two strands or two strands enamelled wires 111; This enamelled wire 111 is copper cash enamelled wire, aluminum steel enamelled wire or alloy enamelled wire.In the present embodiment, select diameter to be the circular copper cash enamelled wire of 0.1mm, then its sectional area is about 0.007854mm
2the radical of the enamelled wire 111 comprised in wire can calculate according to actual current, as, the safe carrying capacity of 25 square millimeters of copper power lines is 120A, if transmitting coil 1 maximum current is in the course of the work 120A, then needs the quantity of circular copper cash enamelled wire to be: 25 ÷ 0.007854 ≈ 3183 (root), in actual applications, usually get the current margin of a times, namely if desired safe carrying capacity is 120A, then adopt about 7000 circular copper cash enamelled wires.
The insulating material that above-mentioned insulating barrier 12 is formed by rubber or plastics is made, and has waterproof, insulation and high voltage withstanding effect.
The magnetic induction line distribution of energization solenoid as shown in Figure 3, according to right-hand screw rule, magnetic induction line is by the closed curve of N pole to S pole, and the relation of magnetic induction line direction and the sense of current can judge by Ampere's law, change sense of current, the direction of magnetic induction line changes thereupon.Magnetic induction line is straight line in energising helix tube inside, and outside is closed curve.Fig. 4 is hot-wire coil magnetic induction line distribution schematic diagram, hot-wire coil magnetic induction line is the closed curve around toroidal conductor, on the central shaft of toroidal conductor, magnetic induction line and toroidal conductor plane orthogonal, relation on the direction of ring current and central shaft between magnetic induction line direction can judge by Ampere's law, change the direction of ring current, the direction of magnetic induction line changes thereupon.When inputting alternating current in hot-wire coil, can obtain the magnetic induction line of alternation, namely can obtain the magnetic field changed between N, S pole of hot-wire coil, and the magnetic flux density of hot-wire coil is relevant with ring current size, electric current is larger, and magnetic flux density is larger.If the diameter of hot-wire coil is AB, o is the center of circle of hot-wire coil, r is the radius of hot-wire coil, magnetic induction line due to hot-wire coil is the closed curve from N pole to S pole, and on the central shaft of toroidal conductor, magnetic induction line and toroidal conductor plane orthogonal, thus the length of magnetic induction line the shortest be r; R is longer, and magnetic induction line is longer, and the magnetic induction line between N pole and S pole is higher, and the magnetic flux density between hot-wire coil upper and lower N, S pole is stronger; Namely in hot-wire coil, the diameter of hot-wire coil is larger, and magnetic flux density is longer, and between hot-wire coil upper and lower N, S pole, magnetic flux density is stronger, and transmission range is far away.Magnetic induction density B=μ ni that energising drum produces, wherein μ is constant, and n is the energising drum coil number of turn, and i is current strength in energising drum.Transmitting coil 1 is entwined at same plane inside spin by wire, and the number of turn that wire is wound around is more, then the diameter of transmitting coil 1 is larger, and therefore in this application, the diameter of transmitting coil 1 is larger, and the magnetic flux density produced in the energized state is stronger.In the present embodiment, the diameter of transmitting coil 1 sets according to power, and power is larger, and the diameter of transmitting coil 1 is larger, and in the present embodiment, the diameter of transmitting coil 1 is 20 ~ 180cm.In other embodiments, the diameter of transmitting coil 1 is 90cm.
The application provides a kind of electric automobile wireless charging transmitting dish, comprise transmitting coil 1 and antifreeze plate 2, wherein transmitting coil 1 comprises inside and is connected with the core 11 that the radiating tube 13, two strands of the radiator liquid of flowing or more than two strands enamelled wires 111 be formed in parallel, and the insulating barrier 12 be made up of insulating material; In radiating tube 13, be connected with the radiator liquid of flowing, circulation cooling can be carried out to wire; Adopt the parallel connection of multiply enamelled wire 111 to form core 11 and effectively can alleviate kelvin effect, improve the utilance of electric current, insulating barrier 12 has waterproof, insulation, high voltage withstanding effect; Antifreeze plate 2 is placed between transmitting coil 1 and charging host movement 3, can carry out magnetic field shielding to charging host movement 3.Therefore this application provides that a kind of current utilization rate is high, the electric automobile wireless charging transmitting dish of waterproof, high voltage withstanding, anti-magnetic interference.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made.
Claims (9)
1. an electric automobile wireless charging transmitting dish, is characterized in that, comprises transmitting coil and antifreeze plate;
Described transmitting coil is formed by wire spiral winding;
Described antifreeze plate is placed between transmitting coil and charging host movement, carries out magnetic field shielding for carrying out to charging host movement;
Described wire comprises core, insulating barrier and radiating tube;
The tube wall of described radiating tube is made up of insulating material, is connected with the radiator liquid of flowing in described tube wall, and described radiating tube is used for dispelling the heat to described wire;
Described core is formed in parallel by more than two strands or two strands enamelled wires; The diameter of described transmitting coil sets according to power.
2. electric automobile wireless charging transmitting dish as claimed in claim 1, it is characterized in that, described enamelled wire is copper cash enamelled wire, aluminum steel enamelled wire or alloy enamelled wire.
3. electric automobile wireless charging transmitting dish as claimed in claim 2, it is characterized in that, the copper cash enamelled wire that described core is 0.1mm by diameter is formed in parallel.
4. electric automobile wireless charging transmitting dish as claimed in claim 1, it is characterized in that, described transmitting coil is entwined at same plane inside spin by described wire.
5. electric automobile wireless charging transmitting dish as claimed in claim 1, it is characterized in that, described wire comprises radiating tube, core and the insulating barrier placed successively from inside to outside, and described core is covered in outside described radiating tube, and described insulating barrier is covered in outside described core.
6. electric automobile wireless charging transmitting dish as claimed in claim 1, it is characterized in that, described wire comprises core, radiating tube and the insulating barrier placed successively from inside to outside, and described radiating tube is covered in outside described core, and described insulating barrier is covered in outside described radiating tube.
7. electric automobile wireless charging transmitting dish as claimed in claim 1, it is characterized in that, described wire comprises the core and insulating barrier placed successively from inside to outside, and described insulating barrier is covered in outside described core; Described radiating tube is placed in outside described insulating barrier, with described insulating barrier thermo-contact.
8. electric automobile wireless charging transmitting dish as claimed in claim 1, it is characterized in that, the insulating material that described insulating barrier is formed by rubber or plastics is made;
The insulating material that the tube wall of described radiating tube is formed by high-temperature resistant rubber or high-temperature resistance plastice is made.
9. electric automobile wireless charging transmitting dish as claimed in claim 1, it is characterized in that, described antifreeze plate is made up of Ferrite Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055510.3A CN104682525A (en) | 2015-01-31 | 2015-01-31 | Emitting disc for wireless charging of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055510.3A CN104682525A (en) | 2015-01-31 | 2015-01-31 | Emitting disc for wireless charging of electric automobile |
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| Publication Number | Publication Date |
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| CN104682525A true CN104682525A (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510055510.3A Pending CN104682525A (en) | 2015-01-31 | 2015-01-31 | Emitting disc for wireless charging of electric automobile |
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| CN (1) | CN104682525A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610208A (en) * | 2015-10-16 | 2016-05-25 | 惠州硕贝德无线科技股份有限公司 | Wireless charging heat dissipation structure and mobile electronic equipment |
| WO2018045651A1 (en) * | 2016-09-12 | 2018-03-15 | 合利亿股份有限公司 | Wireless charging coil structure having heat dissipation function |
| CN116291054A (en) * | 2023-04-18 | 2023-06-23 | 安徽泰迪信息科技有限公司 | Wireless intelligent charging door lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105610208A (en) * | 2015-10-16 | 2016-05-25 | 惠州硕贝德无线科技股份有限公司 | Wireless charging heat dissipation structure and mobile electronic equipment |
| WO2018045651A1 (en) * | 2016-09-12 | 2018-03-15 | 合利亿股份有限公司 | Wireless charging coil structure having heat dissipation function |
| US11309122B2 (en) | 2016-09-12 | 2022-04-19 | Holygo Corporation | Wireless charging coil structure with function of heat dissipation |
| CN116291054A (en) * | 2023-04-18 | 2023-06-23 | 安徽泰迪信息科技有限公司 | Wireless intelligent charging door lock |
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