CN222620744U

CN222620744U - Wireless charging equipment

Info

Publication number: CN222620744U
Application number: CN202420423447.9U
Authority: CN
Inventors: 安飞; 冯楷棠; 岳晓锋; 杨广
Original assignee: Shenzhen Torras Technology Co ltd
Current assignee: Shenzhen Torras Technology Co ltd
Priority date: 2024-03-05
Filing date: 2024-03-05
Publication date: 2025-03-14
Anticipated expiration: 2034-03-05

Abstract

The utility model provides a wireless charging device. The wireless charging device includes: a shell having a charging side, the charging side is used to place an electronic device; a charging coil is arranged in the shell, and the charging coil is arranged close to the charging side; a thermal conductive film is arranged between the charging coil and the electronic device, a pipe and an inlet and an outlet connected to the pipe are arranged in the thermal conductive film, and the pipe is filled with a cooling medium; and a power device is arranged in the shell and connected to the pipe through the inlet and the outlet to drive the cooling medium. The wireless charging device provided in this embodiment can absorb the heat emitted by the charging coil and the electronic device through the thermal conductive film, and dissipate the heat, thereby improving the heat dissipation effect of the wireless charging device, further improving the charging efficiency, and avoiding the jamming of the electronic device.

Description

Wireless charging equipment

Technical Field

The utility model relates to the technical field of charging equipment, in particular to wireless charging equipment.

Background

With the development of wireless charging technology, wireless charging gradually enters the daily life of people. At present, the wireless charging technology mainly comprises an electromagnetic induction technology and an electromagnetic resonance technology, heat is generated during working, and a large amount of heat is also generated when the electronic equipment is adsorbed on the wireless charging equipment to be wirelessly charged. With the rise of the temperature of the device of the wireless charging device and the temperature of the electronic device, when the heat generation reaches the set safety threshold, the wireless charging device can reduce the charging power for ensuring the safety, and the electronic device can also be blocked.

Disclosure of utility model

To ameliorate at least some of the above disadvantages or shortcomings, embodiments of the present utility model provide a wireless charging apparatus.

The wireless charging equipment comprises a shell, a charging coil, a heat conducting membrane and a power device, wherein the shell is provided with a charging side, the charging side is used for placing electronic equipment, the charging coil is arranged in the shell and is close to the charging side, the heat conducting membrane is arranged between the charging coil and the electronic equipment, a pipeline, an inlet and an outlet which are communicated with the pipeline, cooling medium is filled in the pipeline, and the power device is arranged in the shell and is connected with the pipeline through the inlet and the outlet so as to drive the cooling medium.

In one embodiment of the utility model, a supporting deflector is provided within the conduit.

In one embodiment of the present utility model, the supporting and guiding member includes a plurality of supporting and guiding members, and the plurality of supporting and guiding members are arranged at intervals along the width direction of the pipe.

In one embodiment of the utility model, the wireless charging device further comprises a heat dissipation structure arranged in the shell and close to the heat conducting membrane.

In one embodiment of the present utility model, the pipe includes a plurality of first pipes sequentially connected, and the plurality of first pipes are disposed corresponding to the charging coil and are disposed at intervals along a width direction of the heat conductive film.

In one embodiment of the present utility model, the duct further includes a second duct communicating with the first duct, the second duct being disposed corresponding to the heat radiation structure, and the second duct extending in a width direction of the heat conductive film sheet.

In one embodiment of the utility model, the inlet and the outlet are connected to the power device, respectively, and the inlet and the outlet are arranged on one side of the heat conducting membrane close to the charging coil.

In one embodiment of the utility model, the inlet and the outlet are arranged in the same layer as the charging coil.

In one embodiment of the utility model, the heat dissipation structure comprises a heat sink arranged in the shell and in heat conduction connection with the heat conduction membrane, and/or a heat dissipation fan arranged in the shell and close to the heat conduction membrane.

In one embodiment of the utility model, the wireless charging device further comprises a battery arranged in the shell, and a circuit board arranged in the shell, wherein the heat dissipation structure is in heat conduction connection with the circuit board.

In one embodiment of the utility model, the shell is provided with a containing cavity, the shell further comprises a support piece, a charging coil containing part, a avoidance position and a through hole are arranged on the support piece, the charging coil is arranged on the charging coil containing part, the heat conducting membrane and the heat radiating structure are connected through heat conduction at the avoidance position, and the inlet and the outlet are connected with the power device through the through hole.

In one embodiment of the utility model, the material of the heat-conducting membrane is a material which is not electromagnetic interference, or the heat-conducting membrane is a metal material, and a avoidance bit is arranged on the heat-conducting membrane corresponding to the charging coil.

The wireless charging device has the advantages that the heat conducting membrane is arranged between the charging coil and the electronic device, the pipeline filled with the cooling medium is arranged in the heat conducting membrane, the power device connected with the pipeline is further arranged, the cooling medium in the pipeline can be driven by the power device, heat emitted by the charging coil and the electronic device can be absorbed, and heat is emitted, so that the heat emission effect of the wireless charging device can be improved, the charging efficiency is further improved, and the electronic device is prevented from being blocked.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a wireless charging device according to an embodiment of the present utility model.

Fig. 2 is an exploded view of the wireless charging device of fig. 1.

Fig. 3 and 4 are schematic structural views of the heat conductive film sheet in fig. 2.

Fig. 5 is a schematic view of the structure of the support member in fig. 2.

Fig. 6 is another exploded view of the wireless charging device of fig. 1.

Number of main elements:

10. A wireless charging device; 100 parts of a shell, 110 parts of a first accommodating cavity, 120 parts of a second accommodating cavity, 130 parts of a supporting piece, 131 parts of a charging coil accommodating part, 132 parts of a dodging position, 133 parts of a through hole, 200 parts of a heat conducting membrane, 210 parts of a pipeline, 211 parts of a supporting guide piece, 212 parts of a first pipeline, 213 parts of a second pipeline, 220 parts of an inlet, 230 parts of an outlet, 300 parts of a charging coil, 400 parts of a power device, 500 parts of a radiator, 600 parts of a cooling fan, 700 parts of a battery, 800 parts of a circuit board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, a wireless charging apparatus 10 according to an embodiment of the present utility model includes a housing 100, a heat conductive film sheet 200, a charging coil 300, and a power device 400.

Specifically, the housing 100 may, for example, have a charging side, which may, for example, be one surface of the housing 100, for placing an electronic device for wireless charging of the electronic device. The charging coil 300 may include, for example, a coil, a magnet, etc., and the charging coil 300 is disposed within the housing 100, and the charging coil 300 is disposed near the charging side, so that the electronic device may be wirelessly charged. The heat conductive film 200 is disposed between the charging coil 300 and the electronic device to absorb and conduct heat generated from the charging coil 300 and the electronic device, and to dissipate the heat.

Referring to fig. 2 and 3, the heat conductive membrane 200 may have, for example, a pipe 210 and an inlet 220 and an outlet 230 communicating with the pipe 210 disposed therein. The power device 400 may be, for example, a micro pump, and may be, for example, a rotor pump, a centrifugal pump, a piezoelectric pump, or the like. A power unit 400 is provided in the housing 100, and the power unit 400 is connected to the pipe 210 through the inlet 220 and the outlet 230. The pipe 210 is filled with a cooling medium, which may be, for example, water, glycol aqueous solution, oil or refrigerant, etc., and specifically may be set according to practical requirements, and the power device 400 is used for driving the cooling medium in the pipe 210.

Through setting up heat conduction diaphragm 200 between charging coil 300 and electronic equipment, be provided with the pipeline 210 that fills with coolant in the heat conduction diaphragm 200 to still be provided with the power device 400 of being connected with pipeline 210, can drive the coolant in the pipeline 210 through power device 400, can absorb the heat that charging coil 300 and electronic equipment give off, and dispel the heat, thereby can promote wireless charging equipment 10's radiating effect, with further promotion charging efficiency, avoid electronic equipment to block.

In some implementations of the present embodiment, the heat conductive film 200 is disposed at the charging side of the case 100, and the electronic device may be directly placed on the surface of the heat conductive film 200 as a part of the case 100. In this way, the heat conducting film 200 can conduct heat directly with the electronic device and the charging coil, so as to further enhance the heat dissipation effect. In other embodiments, the housing 100 may include, for example, an upper housing, with the thermally conductive diaphragm 200 disposed between the upper housing and the charging coil 300. In use, the electronic device may be placed on the surface of the upper case, for example, and the heat conductive film 200 may be thermally conductive with the electronic device through the upper case, and by the arrangement of the upper case, protection may be formed for the heat conductive film 200. In still other embodiments, the heat conductive film 200 may cover the entire outer surface of the case 100, for example, to further enhance the heat dissipation effect.

In one implementation of this embodiment, the material of the heat-conducting film 200 may be, for example, a material that is not electromagnetic interference, specifically, a material with good magnetic permeability, such as PET (polyethylene terephthalate), so that the heat-conducting film 200 does not interfere with the charging of the electronic device by the charging coil 300, and the charging efficiency is not affected. In another implementation manner of this embodiment, the material of the heat-conducting film 200 may be, for example, a metal material, and the heat-conducting film 200 is provided with a avoidance bit corresponding to the charging coil 300, so that the heat-conducting film 200 can be prevented from affecting charging by the avoidance bit, and the metal material can improve the heat-conducting efficiency of the heat-conducting film 200.

Further, the wireless charging device 10 may further include a heat dissipation structure, for example, disposed in the housing 100 and close to the heat-conducting membrane 200, where the heat dissipation structure may further dissipate heat conducted by the heat-conducting membrane 200, so as to further enhance the heat dissipation effect. Specifically, the heat dissipation structure may include, for example, the heat sink 500 and/or the heat dissipation fan 600.

The heat sink 500 is made of, for example, a metal material such as aluminum or copper, and the surface of the heat sink 500 is provided with an uneven heat dissipation surface having a high heat conduction performance. The heat sink 500 is disposed within the housing 100 and is in thermally conductive connection with the thermally conductive diaphragm 200. The heat conducting film 200 can conduct the heat of the charging coil 300 to the radiator 500 through the flow of the cooling medium, and the radiator 500 further radiates the heat conducted by the heat conducting film 200 to the surrounding environment for heat radiation, so that the heat radiation effect is further improved.

The heat radiation fan 600 may be, for example, a centrifugal fan, and may generate an air flow. The heat dissipation fan 600 is disposed in the housing 100, and may be disposed near the heat conductive film 200, for example, and the heat dissipation of the heat conductive film 200 may be accelerated by blowing air through the heat dissipation fan 600, so as to further improve the heat dissipation effect. In another implementation manner of this embodiment, the heat dissipation fan 600 may be disposed near the radiator 500, the heat conduction membrane 200 conducts the heat of the charging coil 300 to the radiator 500 through the flow of the cooling medium, the radiator 500 further dissipates the heat conducted by the heat conduction membrane 200 to the surrounding environment for heat dissipation, and the heat dissipation fan 600 may increase the air cooling effect on the surface of the radiator 500, and blow the heat out of the housing 100, thereby further improving the heat dissipation efficiency.

Referring to fig. 3, a supporting guide 211 may be disposed in the pipe 210, for example, the width of the pipe 210 is large (the width range is, for example, one fourth to one third of the width of the housing 100), and by disposing the supporting guide 211 in the pipe 210, since the cooling medium may have a large flow pressure under the driving of the power device 400, the cooling medium may be guided and the flow pressure may be shared by the disposition of the supporting guide 211, so that the flow rate of the cooling medium may be increased while the flow pressure of the cooling medium may be reduced, and the outer surface of the heat conductive film 200 may be kept flat and not deformed. In one implementation of the present embodiment, the supporting and guiding member 211 may include a plurality of supporting and guiding members 211, for example, which are disposed at intervals along the width direction of the pipe 210.

In one implementation of the present embodiment, referring to fig. 4, the conduit 210 may, for example, include a plurality of first and second conduits 212 and 213 that are in sequential communication. The plurality of first pipes 212 are disposed corresponding to the charging coil 300 and are spaced apart along the width direction of the heat conductive film 200. The plurality of first pipelines 212 are arranged corresponding to the charging coil 300, so that heat generated by the charging coil 300 can be conducted, the plurality of first pipelines 212 are arranged at intervals along the width direction of the heat conducting membrane 200, and the number of pipeline reversing positions is reduced, so that the influence on the overall flow rate of cooling medium is avoided, and the heat exchange efficiency at the charging coil 300 can be accelerated. The second duct 213 is disposed corresponding to the heat dissipation structure, and the second duct 213 extends in the width direction of the heat conductive film 200. Through setting up the second pipeline 213 with corresponding heat radiation structure, and the second pipeline 213 extends in the width direction of heat conduction diaphragm 200, can accelerate the heat exchange with heat radiation structure, further promotes the radiating effect. Further, the extending direction of the heat conducting film 200 may correspond to the heat sink 500, for example, to further accelerate the heat exchange between the heat conducting film 200 and the heat sink 500. Of course, the number of the first pipes 212 and the second pipes 213 is not limited to the embodiment in fig. 4, and may be specifically set according to practical requirements.

In this embodiment, the inlet 220 and the outlet 230 are respectively connected to the power device 400, the inlet 220 and the outlet 230 may be disposed on a side of the heat-conducting film 200 near the charging coil 300, and the inlet 220 and the outlet 230 may be disposed on the same layer as the charging coil 300, i.e. the inlet 220 and the outlet 230 are spaced apart from the charging coil 300 along the length direction of the wireless charging device 10, and it should be noted that the inlet 220 and the outlet 230 are not limited to be disposed at intervals along the length direction of the wireless charging device 10. By such an arrangement, the inlet 220 and the outlet 230 occupy a part of the common space with the charging coil 300, so that space can be saved, the internal space of the wireless charging device 10 can be made more compact, and the size of the wireless charging device 10 can be reduced.

Referring to fig. 5 and 6, the wireless charging device 10 may further include, for example, a battery 700 and a circuit board 800. The battery 700 is disposed in the housing 100, the circuit board 800 is disposed in the housing 100, and the heat dissipation structure and the circuit board 800 may be connected by heat conduction, for example, and in particular, the circuit board 800 may be connected by heat conduction with the heat sink 500, so as to dissipate heat emitted by the circuit board 800, thereby further improving the heat dissipation effect of the wireless charging device 10.

Further, the housing 100 may be formed with a housing cavity, for example, which may include a first housing cavity 110 and a second housing cavity 120, in which the battery 700, the circuit board 800, the heat dissipation structure, and the power device 400 are disposed, specifically, the battery 700 may be disposed in the second housing cavity 120, and the circuit board 800, the heat dissipation structure, and the power device 400 may be disposed in the first housing cavity 110, for example. The housing 100 may further include a supporting member 130, for example, where the supporting member 130 is disposed on a side of the accommodating cavity near the charging coil 300, the charging coil accommodating portion 131, the avoidance position 132 and the through hole 133 are disposed on the supporting member 130, the charging coil 300 is disposed on the charging coil accommodating portion 131, the heat conducting membrane 200 and the heat dissipating structure are connected through heat conduction of the avoidance position 132, and the inlet 220 and the outlet 230 are connected with the power device 400 through the through hole 133. In this embodiment, the avoidance bit 132 and the through hole 133 may be, for example, the same through hole, or may be, for example, a plurality of different through holes. Further, the heat sink 500 may be disposed on the avoidance position 132, the heat conductive film 200 and the heat sink 500 may be connected in heat conduction by contacting with the avoidance position 132, the heat dissipation fan 600 is disposed on a side of the heat sink 500 away from the support 130, and the circuit board 800 may be disposed near the heat sink 500, for example. By such an arrangement, the individual elements within the wireless charging device 10 can be made compact, and the size of the wireless charging device 10 can be reduced.

As can be seen from the above, the above technical features of the present utility model may have one or more of the following advantages that the wireless charging device 10 provided in this embodiment is provided with the heat conducting membrane 200 between the charging coil 300 and the electronic device, the pipe 210 filled with the cooling medium is provided in the heat conducting membrane 200, and the power device 400 connected with the pipe 210 is further provided, and the cooling medium in the pipe 210 can be driven by the power device 400, so that the heat emitted by the charging coil 300 and the electronic device can be absorbed and dissipated, thereby improving the heat dissipation effect of the wireless charging device 10, further improving the charging efficiency, and avoiding the electronic device from being blocked.

In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present utility model, and the technical solutions of the embodiments may be arbitrarily combined and matched without conflict in technical features, contradiction in structure, and departure from the purpose of the present utility model.

In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions in actual implementation, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present utility model.

Claims

1. A wireless charging device, comprising:

A housing having a charging side, wherein the charging side is used to place an electronic device;

A charging coil is disposed in the housing and is disposed close to the charging side;

a heat-conducting film, disposed between the charging coil and the electronic device, wherein a pipeline and an inlet and an outlet communicating with the pipeline are disposed in the heat-conducting film, and the pipeline is filled with a cooling medium; and

A power device is arranged in the housing and connected to the pipeline through the inlet and the outlet to drive the cooling medium.

2. The wireless charging device according to claim 1, characterized in that a supporting guide member is provided in the pipeline.

3. The wireless charging device according to claim 2, characterized in that the supporting flow guide member comprises a plurality of supporting flow guide members, and the plurality of supporting flow guide members are arranged at intervals along the width direction of the pipe.

4. The wireless charging device according to claim 1, further comprising: a heat dissipation structure, arranged in the housing and close to the thermally conductive film.

5. The wireless charging device according to claim 4, characterized in that the pipeline comprises a plurality of first pipelines connected in sequence, the plurality of first pipelines are arranged corresponding to the charging coils and are arranged at intervals along the width direction of the thermal conductive film.

6. The wireless charging device according to claim 5, characterized in that the pipeline further comprises a second pipeline connected to the first pipeline, the second pipeline is arranged corresponding to the heat dissipation structure, and the second pipeline extends in the width direction of the thermal conductive film.

7. The wireless charging device according to claim 1, characterized in that the inlet and the outlet are respectively connected to the power device, and the inlet and the outlet are arranged on a side of the thermal conductive film close to the charging coil.

8. The wireless charging device according to claim 1 or 7, characterized in that the inlet and the outlet are arranged on the same layer as the charging coil.

9. The wireless charging device according to claim 4, wherein the heat dissipation structure comprises:

a heat sink, disposed in the housing and thermally connected to the heat-conducting film; and/or

A heat dissipation fan is arranged in the housing, and the heat dissipation fan is arranged close to the heat conductive film.

10. The wireless charging device according to claim 4, further comprising:

a battery disposed in the housing; and

A circuit board is arranged in the housing, and the heat dissipation structure is connected to the circuit board by thermal conduction.

11. The wireless charging device according to claim 4, wherein the housing is formed with a receiving cavity; the housing further comprises:

A support member is arranged on a side of the accommodating cavity close to the charging coil, and a charging coil accommodating portion, an avoidance position and a through hole are provided on the support member. The charging coil is arranged on the charging coil accommodating portion, the thermally conductive film and the heat dissipation structure are connected by thermal conduction through the avoidance position, and the inlet and the outlet are connected to the power device through the through hole.

12. The wireless charging device according to claim 1, characterized in that the material of the thermally conductive film is a material that does not cause electromagnetic interference; or, the thermally conductive film is made of metal, and an avoidance position is provided on the thermally conductive film corresponding to the charging coil.