CN220382800U

CN220382800U - Wireless charging device

Info

Publication number: CN220382800U
Application number: CN202321988617.XU
Authority: CN
Inventors: 黄林忠; 邓勇刚; 杨广
Original assignee: Shenzhen Torras Technology Co Ltd
Current assignee: Shenzhen Torras Technology Co Ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-23
Anticipated expiration: 2033-07-26

Abstract

The application provides a wireless charging device, including first main part, first main part includes the casing, and locates first charging coil, wind channel shell, fan and the cooling module in the casing respectively. The air duct shell is provided with an accommodating cavity, and the two ends of the accommodating cavity are respectively an air inlet end and an air outlet end of the air duct shell. The shell is provided with an air inlet and an air outlet. The air inlet is communicated with the air inlet end of the fan, and the air outlet end of the fan is communicated with the air inlet end of the air duct shell; the air outlet end of the air duct shell is communicated with the air outlet. The cooling module is arranged in the accommodating cavity; the first charging coil is arranged on the cooling module and used for charging the first electronic equipment. The wireless charging device can improve the heating phenomenon of the electronic equipment during quick charging, so that the electronic equipment can maintain a long-time quick charging state, and the charging efficiency of the electronic equipment is improved.

Description

Wireless charging device

Technical Field

The application relates to the technical field of wireless charging, in particular to a wireless charging device.

Background

At present, in order to meet the requirement of quick charging of electronic devices such as mobile phones, the wireless charging device is mostly provided with a quick charging function, but when the electronic devices such as mobile phones are charged for a period of time in a quick charging mode, the electronic devices such as mobile phones are heated, and when the electronic devices such as mobile phones reach a certain temperature, the electronic devices such as mobile phones trigger an internal protection mechanism, so that the charging power is reduced, the charging efficiency is reduced while the charging power is reduced, namely, the charging speed is reduced, and the electronic devices such as mobile phones cannot keep a quick charging state.

Disclosure of Invention

Based on this, the application provides a wireless charging device to improve the heating phenomenon when electronic equipment is fast charged, so that the electronic equipment can maintain a long-time fast charging state.

In order to achieve the above purpose, the technical solution of the embodiments of the present application is implemented as follows:

the embodiment of the application provides a wireless charging device, which comprises a first main body part, a second main body part and a first charging coil, an air duct shell, a fan and a cooling module, wherein the first main body part comprises a shell, and the first charging coil, the air duct shell, the fan and the cooling module are respectively arranged in the shell;

the air duct shell is provided with an accommodating cavity, and the two ends of the accommodating cavity are respectively an air inlet end and an air outlet end of the air duct shell;

the shell is provided with an air inlet and an air outlet; the air inlet is communicated with the air inlet end of the fan, and the air outlet end of the fan is communicated with the air inlet end of the air duct shell; the air outlet end of the air duct shell is communicated with the air outlet;

the cooling module is arranged in the accommodating cavity; the first charging coil is arranged on the cooling module and used for charging the first electronic equipment.

In one embodiment, the housing comprises a first side and a second side which are oppositely arranged, and the air inlet and the air outlet are respectively arranged on the housing on the second side; the first charging coil is disposed proximate the housing of the first side.

In one embodiment, at least one side wall of the air inlet end of the air duct shell is provided with a first air guide structure, and at least one side wall of the air outlet end of the air duct shell is provided with a second air guide structure. In one embodiment, the first air guiding structure is an inclined surface structure, and two ends of the inclined surface structure are respectively abutted with a side wall of the air inlet end of the air duct shell and the fan; and/or, the second air guiding structure is a round corner structure.

In one embodiment, the wireless charging device further comprises a second body portion, and the first body portion and the second body portion are rotatably connected; the main control board comprises a controller, and the controller is respectively and electrically connected with the first charging coil, the fan and the cooling module.

In one embodiment, the first main body portion is provided with an induction magnet, the second main body portion is correspondingly provided with a hall sensor, and the hall sensor is used for detecting the position relationship between the first main body portion and the second main body portion and sending the position detection result to the controller.

In one embodiment, a second charging coil electrically connected to the controller is further disposed in the second main body, the second charging coil is used for charging a second electronic device, and the second charging coil is disposed on a side, close to the first main body, of the second main body;

and/or the wireless charging device further comprises a third main body part, wherein the third main body part comprises a third charging coil, and the third charging coil is used for charging third electronic equipment; and/or, be equipped with on the first main part with the first interface of controller electricity connection, first interface is used for being connected with the third main part that has third charging coil, first interface is located on the lateral wall of casing, the lateral wall with first side with the second side the casing vertical setting.

In one embodiment, the cooling module comprises a heat conducting fin, a semiconductor refrigerating fin and a radiator which are sequentially arranged; the heat sink is disposed proximate the housing of the second side.

And/or a surface cover is arranged at the position, corresponding to the cooling module, of the shell at the first side, and the surface cover is made of a heat conducting material.

In one embodiment, the wireless charging device further includes a magnetic component, and the magnetic component is enclosed outside the first charging coil and is used for fixing the first electronic device.

In one embodiment, the air inlet end and the air outlet end of the air duct shell are respectively covered with an air duct sealing cover plate.

The application has at least the following beneficial effects: the wireless charging device of this application embodiment, its first main part portion is equipped with fan and cooling module, dispels the heat for the cooling module through the fan to keep the cooling effect of cooling module. According to the embodiment of the application, the cooling module is arranged in the wireless charging device, so that the first electronic equipment can dissipate heat and cool through the cooling module when being charged, and therefore the first electronic equipment can be kept in a long-time quick charging state, and the charging efficiency of the first electronic equipment is improved.

Drawings

Fig. 1 is a schematic side view of a first main body of a wireless charging device according to an embodiment of the present application.

Fig. 2 is a schematic structural view of the first body portion of fig. 1 from one view.

Fig. 3 is an exploded view of the first body portion of fig. 2.

Fig. 4 is a schematic structural view of the duct case of fig. 3 from one view.

Fig. 5 is a schematic structural view of the air duct case of fig. 3 from another perspective.

Fig. 6 is a schematic structural diagram of a first body portion and a second body portion of the wireless charging device in an embodiment of the present application in a closed state.

Fig. 7 is a schematic structural diagram of a wireless charging device according to an embodiment of the present application (the first body portion and the second body portion are in an open state).

Fig. 8 is a schematic cross-sectional structure of the wireless charging device of fig. 6.

Fig. 9 is a schematic diagram illustrating the internal structures of the second body and the third body of the wireless charging device of fig. 7.

The meaning of the various reference numerals in the drawings is as follows:

1. a first body portion; 11. a face cover; 12. a front housing; 121. a mounting hole; 122. a first side; 13. a first charging coil; 14. a magnetic attraction component; 15. a cooling module; 151. a heat conductive sheet; 152. a semiconductor refrigeration sheet; 153. a heat sink; 16. an air duct case; 161. an air duct sealing cover plate; 162. a receiving chamber; 163. a first air guiding structure; 164. a first accommodation portion; 165. a second air guiding structure; 166. an air outlet cavity; 17. a centrifugal fan; 18. a rear housing; 181. an air outlet; 182. an air inlet; 183. a second side; 184. a second accommodating portion; 19. an induction magnet; 110. a first interface;

2. a second body portion; 21. a second interface; 22. a second charging coil; 23. a hall sensor; 24. a main control board;

3. a third body portion; 31. a third charging coil;

4. a rotating shaft.

Detailed Description

The technical scheme of the application is further elaborated below by referring to the drawings in the specification and the specific embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the implementations of the present application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, 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 directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Referring to fig. 1, 2 and 3, the wireless charging device of the embodiment of the present application includes a first main body 1, where the first main body 1 includes a housing, and a first charging coil 13, an air duct housing 16, a fan and a cooling module 15 respectively disposed in the housing. In this embodiment, the fan is a centrifugal fan 17. The centrifugal fan 17 is adopted to perform heat dissipation and air blowing, so that the overall structure of the first main body part 1 is more compact, the volume of the first main body part is smaller, and the portability of the wireless charging device is improved.

As shown in fig. 4 and 5, the air duct housing 16 is configured to form a gas flow channel, the air duct housing 16 is provided with a receiving cavity 162, the receiving cavity 162 is configured to receive the cooling module 15, and two ends of the receiving cavity 162 are an air inlet end and an air outlet end of the air duct housing 16 respectively. At least one side wall of the air inlet end of the air duct shell 16 is provided with a first air guide structure 163, and at least one side wall of the air outlet end of the air duct shell 16 is provided with a second air guide structure 165. Specifically, the first air guiding structure 163 is an inclined plane structure, two ends of the inclined plane structure are respectively abutted with a side wall of the air inlet end of the air duct shell 16 and the fan, in this embodiment, the number of the first air guiding structures 163 is one, the structure of the first air guiding structure is triangular prism, the cross section of the triangular prism is a right triangle, two right-angle sides of the right triangle are respectively abutted with a side wall of the air inlet end of the air duct shell 16 and the centrifugal fan 17, and the inclined sides of the right-angle sides are inclined plane structures, so that the air blown into the accommodating cavity 162 by the centrifugal fan 17 is gathered more, and the air guiding effect is achieved. The number of the second air guiding structures 165 is two, and for the round corner structure arranged on the side wall of the air outlet end of the accommodating cavity 162, the air outlet end of the accommodating cavity 162 is provided with an air outlet cavity 166, the air outlet cavity 166 is connected to one side, far away from the first air guiding structure 163, of the second air guiding structure 165, and the width W2 of the air outlet cavity 166 is larger than the width W1 of the accommodating cavity 162. The arrangement of the first air guiding structure 163 and the second air guiding structure 165 enables the air blown by the centrifugal fan 17 to be more concentrated, so that the air can be fully heat exchanged with the cooling module 15 in the accommodating cavity 162, and a better heat dissipation effect can be achieved. In order to prevent the air leakage of the air duct shell 16 from causing the reduction of the heat dissipation effect, an air duct sealing cover plate 161 may be respectively disposed at the air inlet end and the air outlet end of the air duct shell 16, so as to prevent the air leakage of the air duct shell 16 from the air duct shell, and enhance the heat dissipation effect.

As shown in fig. 1, 2 and 3, the housing includes a first side 122 and a second side 183 disposed opposite to each other, and an air inlet 182 and an air outlet 181 are disposed on the housing of the second side 183. Specifically, in the present embodiment, the housing is provided with a front housing 12 on the first side 122 and a rear housing 18 on the second side 183, with the front housing 12 and rear housing 18 being fixedly connected to form a cavity structure that accommodates the components. The air inlet 182 is disposed in the middle of the rear housing 18, and the air outlet 181 is disposed at one end (in this embodiment, the end far from the rotating shaft 4) of the rear housing 18 in the length direction.

As shown in fig. 3 and 4, the air inlet 182 is communicated with the air inlet end of the centrifugal fan 17, and the air outlet end of the centrifugal fan 17 is communicated with the air inlet end of the air duct housing 16; the air outlet end of the air duct housing 16 communicates with the air outlet 181. The air inlet direction and the air outlet direction of the centrifugal fan 17 are mutually perpendicular, so that the overall size of the fan is reduced, and the overall structure of the first main body part 1 is more compact.

As shown in fig. 3, the cooling module 15 is disposed in the accommodating cavity 162, and the cooling module 15 and the centrifugal fan 17 are disposed in parallel in the housing. The cooling module 15 includes a heat conductive sheet 151, a semiconductor cooling sheet 152, and a radiator 153 that are sequentially disposed, and the radiator 153 is disposed near the rear case 18. Specifically, the heat conductive sheet 151 may be a metal heat conductive sheet such as an aluminum heat conductive sheet; the heat sink 153 may be a fin type heat sink.

The first charging coil 13 is disposed on a side of the cooling module 15 near the front housing 12, and is used for charging a first electronic device, such as a mobile phone, where the first charging coil 13 is disposed on the heat conductive sheet 151. The air inlet 182 and the air outlet 181 of the present embodiment are both disposed on the rear housing 18, and the first charging coil 13 is disposed on one side close to the front housing 12, that is, the hot air blown out by the air outlet 181 and the first electronic device are respectively located on two sides of the first main body 1, so that the heat dissipation hot air cannot be blown to the first electronic device, thereby improving the heat dissipation effect on the first electronic device.

In order to fix the first electronic device conveniently, a magnetic component 14 may be further disposed on the first main body 1, and the first electronic device is adsorbed and fixed by the magnetic component 14. The magnetic attraction assembly 14 may be a ring magnet, and the ring magnet is sleeved on the periphery of the first charging coil 13. Alternatively, the magnet assembly 14 may be a ring-shaped magnet assembly formed by circumferentially arranging a plurality of magnets at intervals.

In order to further improve the heat dissipation effect of the first main body 1, a mounting hole 121 may be further provided on the front housing 12, where the position of the mounting hole 121 corresponds to the position of the cooling module 15, and a surface cover 11 is provided in the mounting hole 121, where the surface cover 11 is made of a heat conducting material, such as aluminum, heat conducting plastic or heat conducting silica gel. In this embodiment, the side of the cover 11 facing the first charging coil 13 is provided with an inner cavity, and the diameter of the inner cavity is not smaller than the outer diameter of the ring magnet.

As shown in fig. 6, 7 and 8, the wireless charging device according to the embodiment of the present application may further include a second body portion 2, where the first body portion 1 and the second body portion 2 are rotatably connected, for example, may be hinged by a rotating shaft 4, and the rotating shaft 4 in this embodiment is a damping shaft. The second main body 2 is provided therein with a main control board 24, and the main control board 24 includes a controller (not shown) electrically connected to the first charging coil 13, the centrifugal fan 17, and the cooling module 15, respectively.

As shown in fig. 8, the first main body 1 is provided with an induction magnet 19, for example, a first accommodating portion 164 may be provided on a side of the duct case 16 facing the second main body 2, a second accommodating portion 184 may be provided on the rear case 18, the first accommodating portion 164 and the second accommodating portion 184 are correspondingly provided, and the first accommodating portion 164 and the second accommodating portion 184 are commonly used for accommodating the induction magnet 19. The second body part 2 is correspondingly provided with a hall sensor 23, and the hall sensor 23 is used for detecting the position relationship between the first body part 1 and the second body part 2 and sending the position detection result to the controller. When the included angle between the first main body part 1 and the second main body part 2 is not smaller than a preset angle, the controller judges that the first main body part 1 and the second main body part 2 are in an open state; when the included angle between the first body part 1 and the second body part 2 is smaller than the preset angle, the controller judges that the first body part 1 and the second body part 2 are in a closed state. When the first main body part 1 and the second main body part 2 are in an opening state and the first charging coil 13 is in an electrifying state, the controller controls the cooling module 15 to be opened, and the wireless charging device can cool the first electronic equipment at the moment so as to prolong the quick charging state of the first electronic equipment; when the first body part 1 and the second body part 2 are in the closed state and the first charging coil 13 is in the energized state, the controller controls the cooling module 15 to be closed, and the wireless charging device does not provide the cooling function for the first electronic equipment.

As shown in fig. 9, to further enhance the function of the wireless charging device, a second charging coil 22 may be further disposed in the second main body 2, where the second charging coil 22 is used for charging the second electronic device, and the second charging coil 22 is disposed on a side of the second main body 2 close to the first main body 1. The second electronic device in this embodiment is an earphone.

As shown in fig. 7 and 9, to further enhance the function of the wireless charging device, a third body portion 3 may be further provided, and the third body portion 3 includes a third charging coil 31, and the third charging coil 31 is used to charge a third electronic device. The third electronic device in this embodiment is a smart watch.

As shown in fig. 6 and 7, the third body 3 may be separately provided from the first body 1, for example, a first interface 110 electrically connected to the controller is provided on the first body 1, a second interface 21 electrically connected to the controller is provided on the second body, the first interface 110 is used for connection to the third body 3, and the second interface 21 is used for connection to a power source. In this embodiment, the first interface 110 may be a type-C interface. The first interface 110 may be disposed on a side wall of the housing, where the side wall is perpendicular to the front housing 12 and the rear housing 18, and may further be disposed at one end of the first interface 110 near the air outlet 181 (i.e. one end far away from the rotating shaft 4), so that the third main body 3 is convenient for fixing the third electronic device. The second interface 21 may be provided at an end of the second body portion 2 remote from the rotation shaft 4.

To further enhance the function of the wireless charging device, a rechargeable battery (not shown) may be disposed in the first body portion 1 or the second body portion 2, and the rechargeable battery may be electrically connected to the main control board 24, and the second interface 21 may charge the rechargeable battery, where the rechargeable battery may be used as a charging power source for the first electronic device, the second electronic device, and the third electronic device.

According to the wireless charging device, through the cooling module, the first electronic equipment can be cooled, so that the first electronic equipment is kept in a low-temperature state, the quick charging mode can be kept for a long time, the charging efficiency of the first electronic equipment is improved, and the quick charging requirement of a user is met.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A wireless charging device, characterized in that: the intelligent charging device comprises a first main body part, a second main body part and a cooling module, wherein the first main body part comprises a shell, and a first charging coil, an air duct shell, a fan and the cooling module are respectively arranged in the shell;

the air duct shell is provided with an accommodating cavity, and the two ends of the accommodating cavity are respectively an air inlet end and an air outlet end of the air duct shell; an air inlet and an air outlet are formed in the shell; the air inlet is communicated with the air inlet end of the fan, and the air outlet end of the fan is communicated with the air inlet end of the air duct shell; the air outlet end of the air duct shell is communicated with the air outlet;

2. The wireless charging device of claim 1, wherein: the shell comprises a first side and a second side which are oppositely arranged, and the air inlet and the air outlet are respectively arranged on the shell on the second side; the first charging coil is disposed proximate the housing of the first side.

3. The wireless charging device of claim 1, wherein: the air duct is characterized in that at least one side wall of the air inlet end of the air duct shell is provided with a first air guide structure, and at least one side wall of the air outlet end of the air duct shell is provided with a second air guide structure.

4. A wireless charging device as claimed in claim 3, wherein: the first air guide structure is an inclined surface structure, and two ends of the inclined surface structure are respectively abutted with one side wall of the air inlet end of the air duct shell and the fan; and/or, the second air guiding structure is a round corner structure.

5. The wireless charging device of claim 2, wherein: the first main body part is rotationally connected with the second main body part; the main control board comprises a controller, and the controller is respectively and electrically connected with the first charging coil, the fan and the cooling module.

6. The wireless charging device of claim 5, wherein: the first main body part is provided with an induction magnet, the second main body part is correspondingly provided with a Hall sensor, and the Hall sensor is used for detecting the position relation between the first main body part and the second main body part and sending a position detection result to the controller.

7. The wireless charging device of claim 5, wherein: a second charging coil electrically connected with the controller is further arranged in the second main body part, the second charging coil is used for charging second electronic equipment, and the second charging coil is arranged on one side, close to the first main body part, of the second main body part;

and/or the wireless charging device further comprises a third main body part, wherein the third main body part comprises a third charging coil, and the third charging coil is used for charging third electronic equipment;

and/or, be equipped with on the first main part with the first interface of controller electricity connection, first interface is used for being connected with the third main part that has third charging coil, first interface is located on the lateral wall of casing, the lateral wall with first side with the second side the casing vertical setting.

8. The wireless charging device of claim 2, wherein: the cooling module comprises a heat conducting fin, a semiconductor refrigerating fin and a radiator which are sequentially arranged; the radiator is arranged close to the shell on the second side and/or a surface cover is arranged at a position, corresponding to the cooling module, of the shell on the first side, and the surface cover is made of a heat conducting material.

9. The wireless charging device of claim 1, wherein: the magnetic attraction assembly is arranged outside the first charging coil in a surrounding mode and used for fixing the first electronic equipment.

10. The wireless charging device of claim 1, wherein: the air inlet end and the air outlet end of the air duct shell are respectively covered with an air duct sealing cover plate.