CN219086884U

CN219086884U - Wireless charging device and vehicle

Info

Publication number: CN219086884U
Application number: CN202223447102.7U
Authority: CN
Inventors: 许坪; 叶双珠
Original assignee: Faurecia Clarion Electronics Xiamen Co Ltd
Current assignee: Faurecia Clarion Electronics Xiamen Co Ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-26
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a wireless charging device and a vehicle, relates to the technical field of vehicles, and is beneficial to improving the heat dissipation effect of the wireless charging device. The wireless charging device includes: the charging device comprises a shell, a charging coil and a circuit board, wherein a spacer is arranged in the shell to divide the space in the shell into a first mounting cavity and a second mounting cavity which are independent of each other and are not communicated; the charging coil is fixed in the first mounting cavity; the circuit board is fixed in the second installation cavity, and the charging coil is electrically connected with the circuit board. The wireless charging device is used for charging electronic equipment.

Description

Wireless charging device and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a wireless charging device and a vehicle.

Background

In the related art, as shown in fig. 1, a charging coil and a circuit board of the wireless charging device dissipate heat in the same space, and heat radiation of the charging coil and heat radiation of the circuit board can affect each other, so that heat dissipation efficiency of the wireless charging device can be reduced, temperature of the wireless charging device is increased, and charging efficiency of the wireless charger is further affected.

Disclosure of Invention

The embodiment of the utility model provides a wireless charging device and a vehicle, which are beneficial to improving the heat dissipation effect of the wireless charging device.

In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:

an embodiment of a first aspect of the present application provides a wireless charging device, including: the charging device comprises a shell, a charging coil and a circuit board, wherein a spacer is arranged in the shell to divide the space in the shell into a first mounting cavity and a second mounting cavity, and the first mounting cavity and the second mounting cavity are independent and are not communicated; the charging coil is fixed in the first mounting cavity; the circuit board is fixed in the second mounting cavity, and the charging coil is electrically connected with the circuit board.

The wireless charging device that this embodiment provided, through set up the spacer in the casing, make the space separation in the casing become mutually independent and first installation cavity and the second installation cavity of non-intercommunication to fix charging coil at first installation cavity, fix the circuit board at the second installation cavity, thereby can avoid charging coil's heat radiation and circuit board's heat radiation to influence each other, cause the poor problem of wireless charging device radiating efficiency, be favorable to improving charging coil and circuit board's radiating area, and also can guarantee wireless charging device's charging efficiency.

In some embodiments, the spacer is formed with a heat dissipation cavity having an open mouth communicating with the outside.

In some embodiments, the spacer is formed in a closed ring shape to define the heat dissipation chamber, and the spacer has the open openings at both ends of its own central axis, respectively.

In some embodiments, the housing includes a first portion surrounding an outer periphery of the spacer, two ends of the spacer in a first direction are in one-to-one correspondence with and connected to two ends of the first portion in the first direction, two ends of the spacer in a second direction are in one-to-one correspondence with and spaced from two ends of the first portion in the second direction to define the first mounting cavity and the second mounting cavity, the first direction is perpendicular to the second direction, and the first direction is perpendicular to the second direction.

In some embodiments, annular flanges are respectively disposed at two ends of the central axis of the spacer, the annular flanges are disposed around a circumference of the heat dissipation cavity, and the annular flanges extend toward and are connected with the first portion.

In some embodiments, the annular flange is an integral piece with the spacer.

In some embodiments, a positioning protrusion is provided on an outer circumferential surface of the spacer, the positioning protrusion being formed in a ring shape to define a mounting cavity, and the charging coil is fixed in the mounting cavity.

In some embodiments, the positioning boss is an integral piece with the spacer.

In some embodiments, the wireless charging device further comprises: the power interface is electrically connected with the circuit board; the shell is provided with a notch, and the power interface is arranged on the notch in a penetrating way.

Embodiments of a second aspect of the present application provide a vehicle comprising: the handrail case, well accuse platform and wireless charging device, wireless charging device locates well accuse platform, and/or the handrail case, well accuse platform is foretell wireless charging device.

The beneficial effects of the vehicle are the same as those of the wireless charging device, and are not repeated here.

Drawings

Fig. 1 is a schematic heat dissipation diagram of a wireless charging device according to the prior art;

fig. 2 is a cross-sectional view of a wireless charging device provided in an embodiment of the present application;

fig. 3 is an exploded view of a wireless charging device according to an embodiment of the present application;

fig. 4 is a schematic heat dissipation diagram of a wireless charging device according to an embodiment of the present application.

Reference numerals:

100. a wireless charging device;

1. a housing; 11. a first mounting cavity; 12. a second mounting cavity; 13. a first portion; 14. a notch;

2. a spacer; 21. annular flanging; 22. positioning the bulge; 221. a mounting cavity;

3. a charging coil;

4. a circuit board;

5. a heat dissipation cavity; 51. an open mouth;

6. and a power interface.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The wireless charging device may charge the electronic device. The electronic device may be an electronic watch, a smart phone, a wireless headset, a tablet computer, a notebook computer, or the like. The wireless charging device can be a portable wireless charging device or a vehicle-mounted wireless charging device. When the wireless charging is performed, the electronic equipment can be arranged on the upper surface of the wireless charging device, or the distance between the electronic equipment and the wireless charging device is smaller than or equal to the charging distance. The wireless charging device converts electrical energy into a wireless power signal. After receiving the wireless power signal, the electronic equipment converts the wireless power signal into electric energy to supply power for the electronic equipment.

In this embodiment, when the wireless charging device is disposed on the desktop, the "upper surface" refers to a surface facing away from one side of the desktop. The upper surface of the wireless charging device may be a substrate for carrying the electronic device, a housing of the wireless charging device, and other structural members. In the embodiment of the application, the surface may be a plane or a curved surface.

In order to solve the technical problem, through setting up the spacer in the casing, make the space separation in the casing become mutually independent and first installation cavity and the second installation cavity of non-intercommunication to fix the charging coil in first installation cavity, fix the circuit board in the second installation cavity, thereby can avoid the heat radiation of charging coil and the heat radiation of circuit board to influence each other, cause the poor problem of wireless charging device radiating efficiency, be favorable to improving the radiating area of charging coil and circuit board, and also can guarantee wireless charging device's charging efficiency.

The following describes a vehicle according to an embodiment of the present application.

The embodiment of the application provides a vehicle, and the vehicle includes center console, handrail case and wireless charging device. The wireless charging device is arranged on the central console.

In other embodiments, the wireless charging device is provided on the armrest box. In still other embodiments, the wireless charging device is provided to the center console and the armrest box.

The wireless charging device according to the embodiment of the present application is described below.

Referring to fig. 2, fig. 2 is a cross-sectional view of a wireless charging device according to an embodiment of the present application. The wireless charging device 100 of the embodiment of the present application includes: a housing 1, a charging coil 3 and a circuit board 4.

For ease of description, a coordinate system is established for wireless charging device 100. The longitudinal direction of the wireless charging device 100 is defined as the X-axis direction. The two directions perpendicular to the X-axis direction are the Z-axis direction and the Y-axis direction, respectively. The Z-axis direction is perpendicular to the Y-axis direction. Illustratively, the height direction of the wireless charging device 100 is the Y-axis direction, and the thickness direction of the wireless charging device 100 is the Z-axis direction. Of course, in other examples, the height direction of the wireless charging device 100 is the Z-axis direction, and the thickness direction of the wireless charging device 100 is the Y-axis direction. In the following description, the longitudinal direction of the wireless charging device 100 is taken as the X-axis direction, the height direction of the wireless charging device 100 is taken as the Y-axis direction, and the thickness direction of the wireless charging device 100 is taken as the Z-axis direction.

With continued reference to fig. 2, a spacer 2 is disposed in the housing 1 to divide the space in the housing 1 into a first mounting chamber 11 and a second mounting chamber 12. The first mounting chamber 11 and the second mounting chamber 12 are independent of each other and do not communicate. By providing the spacer 2, the space in the housing 1 can be divided into two independent chambers which are not communicated with each other, and thus, the interaction of the components in the first installation chamber 11 and the components in the second installation chamber 12 can be avoided.

With continued reference to fig. 2, the charging coil 3 is fixed in the first mounting cavity 11. This can prevent the charging coil 3 from falling off.

Illustratively, the charging coil 3 may be secured within the first mounting cavity 11 by adhesive, snap fit, or the like.

With continued reference to fig. 2, the circuit board 4 is fixed in the second mounting cavity 12. The charging coil 3 is electrically connected to the circuit board 4. Therefore, the mutual influence of heat radiation between the circuit board 4 and the charging coil 3 can be avoided, so that the charging coil 3 and the circuit board 4 have independent heat dissipation space surfaces, and the heat dissipation efficiency of the wireless charging device 100 is improved.

Illustratively, the circuit board 4 may be secured within the second mounting cavity 12 by adhesive, snap-fit, or the like.

According to the wireless charging device 100 of the embodiment of the application, the space in the shell 1 is divided into the first installation cavity 11 and the second installation cavity 12 which are independent and are not communicated through the spacer 2 arranged in the shell 1, the charging coil 3 is fixed in the first installation cavity 11, the circuit board 4 is fixed in the second installation cavity 12, and therefore the mutual influence of the heat radiation of the charging coil 3 and the heat radiation of the circuit board 4 can be avoided, the problem of poor heat dissipation efficiency of the wireless charging device 100 is caused, the heat dissipation area of the charging coil 3 and the circuit board 4 is favorably improved, and the charging efficiency of the wireless charging device 100 can also be ensured.

With continued reference to fig. 2, in some embodiments, the spacer 2 is formed with a heat dissipation cavity 5. The heat dissipation chamber 5 has an opening 51 communicating with the outside. Therefore, the external air can enter the heat dissipation cavity 5 through the opening 51, so that the heat dissipation areas of the first installation cavity 11 and the second installation cavity 12 are improved, the heat radiation influence between the circuit board 4 and the charging coil 3 can be better blocked, and the heat dissipation efficiency and the working reliability of the wireless charging device 100 are improved. Meanwhile, the use of active heat dissipation components (such as heat dissipation silica gel) can be avoided, so that the cost is reduced.

In some embodiments, the spacer 2 is a highly thermally conductive material. For example, the spacer 2 may be a cast aluminum alloy, a cast magnesium alloy, or the like.

Referring to fig. 3, fig. 3 is an exploded view of a wireless charging device according to an embodiment of the present application. In some embodiments, the spacer 2 is formed in a closed loop shape to define the heat dissipation cavity 5. This arrangement is advantageous in improving the stability of the structure of the wireless charging device 100, and also in ensuring the heat dissipation efficiency of the heat dissipation chamber 5.

The spacers 2 have open openings 51 at both ends of their own central axes, respectively. Therefore, the external air flow can flow in the heat dissipation cavity 5, so that the heat dissipation effect of the heat dissipation cavity 5 is improved, and the heat dissipation effect and the working stability of the wireless charging device 100 can be improved.

Illustratively, the spacer 2 is formed as a rectangular closed loop. Thereby facilitating placement of the electronic device.

In some embodiments, the spacer 2 has open openings 51 at both ends of its own central axis, and at both ends perpendicular to the central axis. This arrangement can further enhance the flow of air in the heat dissipation chamber 5, and thus can further enhance the heat dissipation efficiency of the wireless charging device 100.

With continued reference to fig. 2 and 3, in some embodiments, the housing 1 includes a first portion 13. The first portion 13 surrounds the outer periphery of the spacer 2. The two ends of the spacer 2 in the first direction are in one-to-one correspondence and connected with the two ends of the first portion 13 in the first direction (the X-axis direction as illustrated in fig. 3). The two ends of the spacer 2 in the second direction (Y-axis direction as shown in fig. 3) are disposed in one-to-one correspondence with and at intervals from the two ends of the first portion 13 in the second direction to define a first mounting chamber 11 and a second mounting chamber 12. The first direction is perpendicular to the second direction, and both the first direction and the second direction are perpendicular to the central axis of the spacer 2. Thus, the first mounting cavity 11 and the second mounting cavity 12 can be defined by the first portion 13 and the spacer 2, which is beneficial to ensuring the stability of the structure of the wireless charging device 100, thereby being beneficial to ensuring the structural strength of the wireless charging device 100. Meanwhile, referring to fig. 4, fig. 4 is a schematic heat dissipation diagram of the wireless charging device according to the embodiment of the present application. The first portion 13 may also serve as a heat dissipation area for the charging coil 3 and the circuit board 4, thereby facilitating an improvement in heat dissipation efficiency of the wireless charging device 100.

In some embodiments, the first portion 13 may be a highly thermally conductive material. For example, the first portion 13 may be a resin.

With continued reference to fig. 3, annular flanges 21 are provided at each end of the central axis of the spacer 2. The annular flange 21 is disposed around a circumference of the heat dissipation chamber 5. The annular flange 21 extends towards the first portion 13 and is connected to the first portion 13. The first installation cavity 11 and the second installation cavity 12 can be formed into closed cavities, so that pollutants such as dust, particles and the like can be prevented from entering the wireless charging device 100, and the safety and reliability of the operation of the wireless charging device 100 can be improved.

In some embodiments, the annular flange 21 is an integral piece with the spacer 2. The connection strength between the annular flange 21 and the spacer 2 can be improved, and the connection part of the annular flange 21 and the spacer 2 is prevented from being broken, so that the structural strength of the wireless charging device 100 is improved, and the assembly difficulty can be reduced.

With continued reference to fig. 3, in some embodiments, the spacer 2 is provided with locating protrusions 22 on its outer circumferential surface. The positioning boss 22 is formed in a ring shape to define a mounting chamber 221, and the charging coil 3 is fixed in the mounting chamber 221. Through setting up location arch 22, be convenient for fix a position charging coil 3's mounted position, be favorable to reducing the degree of difficulty of assembly.

Illustratively, the charging coil 3 is circular, and the positioning boss 22 is formed in a circular shape. Wherein the diameter of the positioning boss 22 may be greater than or equal to the diameter of the charging coil 3.

With continued reference to fig. 3, the positioning protrusion 22 and the spacer 2 are integrally formed. The arrangement can improve the connection strength between the positioning protrusion 22 and the spacer 2, and avoid the breakage of the connection part between the positioning protrusion 22 and the spacer 2, thereby being beneficial to improving the structural strength of the wireless charging device 100 and also reducing the assembly difficulty.

With continued reference to fig. 3, in some embodiments, the wireless charging device 100 further includes: a power interface 6. The power interface 6 is electrically connected to the circuit board 4. The shell 1 is provided with a notch 14, and the power supply interface 6 is arranged through the notch 14. Thereby, an external power supply can be connected through the power interface 6, leading the external power supply to the circuit board 4.

In some embodiments, the power interface 6 may be any one of a power supply interface such as an m i cro-usb interface, a type-c interface, and an i ghtn i ng interface, and may also be a plurality of combinations of charging interfaces such as an m i cro-usb interface, a type-c interface, and an i ghtn i ng interface.

In other embodiments, the power interface 6 of the wireless charging device 100 may be replaced by a plug, and the wireless charging device 100 may be directly connected to the socket through the plug, so that the wireless charging device 100 may be connected to an external power source without adapting to a conversion wire.

In some embodiments, the charging coil 3 may be plural. Wherein "plurality" refers to two or more. By arranging the plurality of charging coils 3, the identification efficiency of the wireless charging device 100 to the electronic equipment is improved, and the use experience of a user is improved.

The circuit board 4 of the wireless charging device 100 provided in the embodiment of the present application may include circuits such as an ac/dc converter and a protection circuit. The ac/dc converter converts ac to dc or dc to ac. The protection circuit is a short circuit in the wireless charging device 100, and causes the wireless charging device 100 to be in an open state.

In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A wireless charging device, comprising:

the device comprises a shell, wherein a spacer is arranged in the shell to divide a space in the shell into a first installation cavity and a second installation cavity, and the first installation cavity and the second installation cavity are independent and are not communicated;

the charging coil is fixed in the first mounting cavity;

the circuit board is fixed in the second mounting cavity, and the charging coil is electrically connected with the circuit board.

2. The wireless charging device of claim 1, wherein the spacer is formed with a heat dissipation cavity having an open mouth communicating with the outside.

3. The wireless charging device of claim 2, wherein the spacer is formed in a closed loop shape to define the heat dissipation chamber, the spacer having the open openings at both ends of its own central axis, respectively.

4. The wireless charging device of claim 3, wherein the housing comprises a first portion surrounding an outer periphery of the spacer, two ends of the spacer in a first direction are in one-to-one correspondence and connected with two ends of the first portion in the first direction, two ends of the spacer in a second direction are in one-to-one correspondence and spaced from two ends of the first portion in the second direction to define the first mounting cavity and the second mounting cavity, the first direction is perpendicular to the second direction, and the first direction and the second direction are both perpendicular to a central axis of the spacer.

5. The wireless charging device of claim 4, wherein annular flanges are provided at both ends of a central axis of the spacer, respectively, the annular flanges being disposed around a circumference of the heat dissipation chamber, the annular flanges extending toward and being connected with the first portion.

6. The wireless charging device of claim 5, wherein the annular flange is an integral piece with the spacer.

7. The wireless charging device of claim 4, wherein a positioning protrusion is provided on an outer peripheral surface of the spacer, the positioning protrusion being formed in a ring shape to define a mounting cavity, the charging coil being fixed in the mounting cavity.

8. The wireless charging device of claim 7, wherein the locating boss is an integral piece with the spacer.

9. The wireless charging device of claim 1, further comprising:

the power interface is electrically connected with the circuit board;

the shell is provided with a notch, and the power interface is arranged on the notch in a penetrating way.

10. A vehicle, characterized by comprising:

a handrail box;

a central control platform; the method comprises the steps of,

the wireless charging device is arranged on the center console and/or the armrest box, and the center console is the wireless charging device according to any one of claims 1-9.