CN111463864A - a wireless charger - Google Patents

Abstract

The present application relates to a wireless charger, including a casing and a coil assembly, the casing includes a first casing, a second casing and an installation space for accommodating the coil assembly; wherein the first casing is provided with a connecting part, the first casing is The two housings are provided with a matching part, and the connecting part and the matching part can be connected or disconnected, so that the wireless charger has at least a first working state and a second working state; in the first working state, the connecting part is connected with the matching part to The installation space is closed, and the coil assembly is located in the installation space; in the second working state, the connection part is disconnected from the matching part, the coil assembly is located outside the installation space, and the electronic device can be charged through the coil assembly. Therefore, the wireless charger in the embodiment of the present application has at least two working states (ie, the coil assembly is located inside the casing and outside the casing), so that the user can switch the working state according to actual needs and improve the user experience of the wireless charger.

Description

a wireless charger

technical field

The present application relates to the technical field of electronic devices, and in particular, to a wireless charger.

Background technique

With the development of wireless charging technology, getting rid of the shackles of charging cables has become the mainstream trend in the development of terminal accessories products. The wireless charger is a device that uses the principle of electromagnetic induction for charging. By placing a coil at the sending end and the receiving end, the sending end coil sends an electromagnetic signal to the outside world, and the receiving end coil receives the electromagnetic signal and converts the electromagnetic signal into a current, so as to achieve The purpose of wireless charging. At present, when a user uses a wireless charger, the electronic device to be charged is usually placed on the wireless charger to charge the electronic device. The wireless charger has a single usage mode and poor user experience.

SUMMARY OF THE INVENTION

The present application provides a wireless charger, which has at least two working modes, so as to have a higher user experience.

An embodiment of the present application provides a wireless charger, the wireless charger includes a casing and a coil assembly, the casing includes a first casing and a second casing, and the casing includes a housing for accommodating the coil installation space for components;

Wherein, the first housing is provided with a connecting part, the second housing is provided with a matching part, the connecting part and the matching part can be connected or disconnected, so that the wireless charger has at least a first working state and second working state;

In the first working state, the connecting part is connected with the matching part, so that the installation space is closed, and the coil assembly is located in the installation space; in the second working state, the connecting part is Disconnecting from the mating part, the coil assembly is located outside the installation space, and the electronic device can be charged through the coil assembly.

In the embodiment of the present application, the connecting part and the matching part are arranged to cooperate with each other, and when the connecting part and the matching part are connected, the coil assembly is located in the installation space enclosed by the first shell and the second shell; the connecting part and the matching part When disconnected, the coil assembly can be taken out from the installation space, and the electronic device can be directly charged through the coil assembly. Therefore, the wireless charger in the embodiment of the present application has at least two working states (ie, the coil assembly is located inside the casing and outside the casing), so that the user can switch the working state according to actual needs, and improve the user experience of the wireless charger.

In a possible design, the matching component includes a first snap portion connected to the second housing, and the connecting component includes a second snap portion provided on the first housing; the The first engaging portion can be engaged with or released from the second engaging portion. In this embodiment, when the mating part and the connecting part are snap-connected, the structures of the two are simple, thereby simplifying the structure of the wireless charger and facilitating the connection and disconnection of the two.

In a possible design, the matching component includes a clamping block and a first rotating shaft, the first rotating shaft is connected with the second housing, and the clamping block can rotate around the first rotating shaft; the The first clamping portion is disposed on the clamping block, and during the rotation of the clamping block, the first clamping portion can be clamped or released from the second clamping portion. In this embodiment, through the rotation of the clamping block relative to the second casing, the position of the first clamping portion provided on the clamping block can be adjusted, so as to facilitate the clamping or connection of the first clamping portion and the second clamping portion. The clamping connection is released, and the structure of the matching part is simple.

In a possible design, the matching component further includes an elastic member, the elastic member is located between the second housing and the clamping block, and the elastic member and the first clamping portion are located at both ends of the first shaft. In this embodiment, by arranging an elastic member between the second housing and the second matching portion of the clamping block, the clamping block can compress or stretch the elastic member during the rotation of the clamping block around the first shaft under the action of external force. When the external force disappears, the elastic member can be compressed or stretched. , Under the action of the restoring force of the elastic element, the block can be restored to its original state, so that the block can be automatically reset.

In a possible design, the clamping block is provided with a first clamping slot, and the first casing is provided with a second clamping slot;

When the first engaging portion is engaged with the second engaging portion, the first engaging portion can be located in the second engaging slot, and the second engaging portion can be located in the first engaging portion .

In a possible design, the second housing includes two mounting parts, both of the mounting parts are provided with rotating holes, the first rotating shaft is mounted in the rotating holes; the two mounting parts There is a preset distance between them, and the first shell is provided with a convex edge; in the first working state, the convex edge and the two mounting parts enclose a accommodating space, and the connecting part and the matching part Components are located in the receiving space. In this embodiment, the second housing is provided with two mounting parts, which can facilitate the rotational connection between the clamping block and the second housing, and at least part of the matching part can be accommodated in the above-mentioned accommodating space, thereby reducing the size of the wireless charger. the overall volume, and can play the role of protecting the various parts of the mating parts.

In a possible design, the wireless charger further includes a second rotating shaft, and the first casing and the second casing are rotatably connected through the second rotating shaft; the matching part and the connecting part When disconnected, the first casing and the second casing can rotate relative to each other to open or close the installation space.

In a possible design, the connecting part and the matching part are arranged at an end opposite to the second rotating shaft.

In a possible design, the outer surface of the first housing is provided with a first suction cup, the first suction cup can extend into the installation space and be electrically connected with the coil assembly, and the first suction cup can be electrically connected to the coil assembly. In a working state, the first suction cup is used for electrical connection with the electronic equipment; the coil assembly is provided with a second suction cup, and in the second working state, the second suction cup is used for electrical connection with the electronic equipment. Therefore, when the wireless charger is in the first working state, the electronic device to be charged can be placed on the first suction cup of the first housing, and the first suction cup electrically connects the electronic device and the coil assembly located in the installation space , so that the charging of the electronic device can be realized. When the wireless charger is in the second working state, the coil assembly can be taken out from the installation space enclosed by the first casing and the second casing, and the coil assembly can be placed on the desktop, and the electronic The device is placed on the second suction cup of the coil assembly, so that the electronic device can be charged through the second suction cup.

In a possible design, the coil assembly includes a coil and a bracket, the coil is mounted on the bracket; the second suction cup is arranged on the bracket.

In a possible design, the first housing is provided with a first snap, and the bracket is provided with a second snap;

When the coil assembly is located in the installation space, the first buckle is engaged with the second buckle.

In a possible design, the wireless charger further includes a heat sink, and the heat sink is installed in the installation space. In this embodiment, the heat sink can be used to reduce the temperature of each component of the wireless charger during operation, for example, it can reduce the temperature of the coil assembly, thereby helping to make the coil assembly work at a suitable temperature and improve its current conversion efficiency. efficiency, thereby improving the working efficiency of the wireless charger.

It is to be understood that the foregoing general description and the following detailed description are exemplary only and do not limit the application.

Description of drawings

FIG. 1 is a schematic structural diagram of a wireless charger provided by the application in a specific embodiment, wherein the wireless charger is in a first working state;

FIG. 2 is a schematic structural diagram of the wireless charger in FIG. 1 when the installation space is opened;

FIG. 3 is an exploded view of FIG. 1 with the first casing removed;

FIG. 4 is a schematic structural diagram of the first housing in FIG. 1;

Fig. 5 is a partial enlarged view of part I in Fig. 3;

Fig. 6 is the structural representation of the mating part in Fig. 5;

Fig. 7 is the front view of Fig. 4;

8 is a sectional view taken along the line B-B of FIG. 7;

Fig. 9 is the top view of Fig. 6;

Fig. 10 is A-A sectional view of Fig. 9;

Fig. 11 is the top view of Fig. 1;

Fig. 12 is the C-C direction sectional view of Fig. 11;

Figure 13 is a schematic structural diagram of the coil assembly in 3;

FIG. 14 is a schematic structural diagram of 13 from another viewing angle.

Reference number:

1-first shell, 11-first body, 111-first suction cup, 112-first buckle, 12-second shaft, 13-connecting part, 14-convex, 141-second slot;

2- the second housing, 21- the second body part, 211- the mounting part, 211a- the rotation hole, 211b- the second accommodating space;

3-matching part, 31-block, 311-first matching portion, 311a-first slot, 311b-first locking portion, 312-second matching portion, 312a-guide post, 32-elastic member, 33 - the first reel;

4-coil assembly, 41-coil, 411-lead, 42-ferrite, 43-support, 431-second suction cup, 432-second buckle;

5- heat sink;

6- Circuit board.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application.

Detailed ways

In order to better understand the technical solutions of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

It should be clear that the described embodiments are only a part of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

In a specific embodiment, the present application will be further described in detail below with reference to the accompanying drawings.

At present, the wireless charger may include a housing, a transmitting coil, a circuit board, and a wire connecting the transmitting coil and the circuit board, wherein the transmitting coil, the circuit board and the wire are located in an inner cavity of the casing. When charging, the user places the electronic device to be charged on the wireless charger, and electromagnetic induction occurs between the transmitting coil and the receiving coil of the electronic device, thereby realizing the charging process of the electronic device. Among them, in the wireless charger, the component that generates electromagnetic induction with the receiving coil to realize charging is the transmitting coil, and the transmitting coil is located in the closed cavity of the casing, resulting in a single working mode of the wireless charger.

In order to solve this technical problem, an embodiment of the present application provides a wireless charger. As shown in FIGS. 1 to 3 , the wireless charger includes a casing and a coil assembly 4 , wherein the coil assembly 4 is a transmitting coil, and the casing can It includes a first casing 1 and a second casing 2 which are provided separately, wherein the first casing 1 and the second casing 2 enclose an installation space for accommodating the coil assembly 4 . Meanwhile, as shown in FIG. 4 , the first housing 1 is provided with a connecting member 13 , and as shown in FIG. 5 , the second housing 2 is provided with a matching member 3 , and the connecting member 13 and the matching member 3 can be connected or disengaged connected, so that the wireless charger has at least a first working state and a second working state when charging; in the first working state, the connecting part 13 is connected with the mating part 3, so that the installation space is closed, and the coil assembly 4 is located in the installation space Inside, the electronic device can be charged through the casing; in the second working state, the connecting part 13 is disconnected from the mating part 3 , the coil assembly 4 is located outside the installation space, and the electronic device can be charged through the coil assembly 4 .

In the embodiment of the present application, the connecting part 13 and the matching part 3 are arranged to cooperate with each other, and when the connecting part 13 and the matching part 3 are connected, the coil assembly 4 is located in the installation space enclosed by the first casing 1 and the second casing 2 At this time, the electronic device is not in contact with the coil assembly 4 during the charging process (the charging can be achieved by contacting the housing); when the connecting part 13 is disconnected from the mating part 3, the coil assembly 4 can be taken out from the installation space, and the electronic The device can be charged directly through the coil assembly 4. At this time, since the coil assembly 4 is located outside the installation space, the heat generated during the operation of the coil assembly 4 can be easily released, thereby reducing the temperature of the coil assembly 4 and improving its working efficiency and efficiency. service life. In addition, the wireless charger in the embodiment of the present application has at least two working states (that is, the coil assembly 4 is located inside the casing and outside the casing), so that the user can switch the working state according to actual needs and improve the user experience of the wireless charger. .

Specifically, when the wireless charger is in the second working state, the coil assembly 4 can be placed on the desktop, and the electronic device to be charged can be placed on the coil assembly 4 for charging. At this time, the transmitting coil (the coil assembly 4) The distance from the receiving coil of the electronic device is small, so that the efficiency of wireless charging can be improved and the energy loss can be reduced.

In a possible design, as shown in FIG. 4 and FIG. 5 , the matching component 3 may specifically include a first snap portion 311b, the first snap portion 311b is connected to the second housing 2, and the connecting component 13 includes The second engaging portion is disposed on the first housing 1 , as shown in FIG. 12 , the first engaging portion 311b can be engaged with the second engaging portion, so as to realize the engagement between the mating component 3 and the connecting component 13 . catch.

In this embodiment, when the mating part 3 and the connecting part 13 are snap-connected, the structures of the two are simple, thereby simplifying the structure of the wireless charger and facilitating the connection and disconnection of the two.

Of course, the mating part 3 and the connecting part 13 in the present application do not necessarily have to be connected by snap connection, and the two can also be detachably connected by means of pin connection or bolt connection.

In a specific embodiment, as shown in FIGS. 5 to 8 , the matching component 3 may include a locking block 31 and a first rotating shaft 33 , wherein the first rotating shaft 33 is connected to the second housing 2 , and the locking block 31 can It rotates around the first rotating shaft 33 , so that the clamping block 31 can rotate relative to the second housing 2 . The locking block 31 may include a first matching portion 311 and a second matching portion 312 , wherein the first matching portion 311 and the second matching portion 312 are located at two ends of the first rotating shaft 33 , and the first matching portion 311 It is integrally formed or fixedly connected with the second matching portion 312 .

Specifically, the first engaging portion 311b is disposed on the first matching portion 311 of the engaging block 31, and during the rotation of the engaging block 31 around the first shaft 33, the first engaging portion 311b can engage with the second engaging portion connect or unplug. More specifically, the first engaging portion 311b can be a snap provided on the first matching portion 311 , and correspondingly, the second engaging portion can be a snap provided on the first housing, and the two snaps can correspond to Card access.

In this embodiment, through the rotation of the clamping block 31 relative to the second housing 2 , the position of the first clamping portion 311b provided on the clamping block 31 can be adjusted, thereby facilitating the realization of the first clamping portion 311b and the second clamping connection It can be snapped or released from the snap on the part, and the structure of the matching part 3 is simple.

Of course, the above-mentioned matching component 3 does not necessarily need to realize the clamping or release of the first clamping portion 311b and the second clamping portion through the rotation of the clamping block 31 , and can also be realized in other ways. For example, the clamping block 31 can also be provided with In order to be able to slide relative to the second housing 2, specifically, the second housing 2 may be provided with a slideway, and the clamping block can slide along the slideway, so that the first latching portion 311b can be close to or away from the second housing 2. The latching portion is used to realize the latching or releasing of the first latching portion 311b and the second latching portion.

In a possible design, as shown in FIG. 5 , in the locking block 31 , the first locking portion 311 b may be a protruding structure disposed on the first matching portion 311 , and at the same time, the first matching portion 311 may also A first card slot 311a is provided, and the first engaging portion 311b participates in enclosing the side wall of the first card slot 311a. Correspondingly, as shown in FIG. 8 , the second engaging portion may be a protruding structure disposed on the first housing 1 , and at the same time, the first housing 1 may also be provided with a second engaging slot 141 , and the above-mentioned first The two engaging portions participate in enclosing the side wall of the second engaging slot 141 .

Based on this, when the first engaging portion 311b is engaged with the second engaging portion, as shown in FIG. 12, at least part of the first engaging portion 311b can be located in the second engaging slot 141, and the second engaging portion At least part of it can be located in the first clamping slot 311a, so as to realize the clamping connection between the first clamping part 311b and the second clamping part.

Specifically, as shown in FIG. 12 , both the first engaging portion 311b and the second engaging portion may be provided with guide surfaces (eg inclined surfaces), and during the relative movement of the first engaging portion 311b and the second engaging portion , the guiding surfaces of the two can play a guiding role, so as to facilitate the realization of the clamping of the first clamping portion 311b and the second clamping portion.

In a specific embodiment, as shown in FIG. 5 and FIG. 6 , the matching component 3 may further include an elastic member 32 , wherein the elastic member 32 is located between the second housing 2 and the clamping block 31 , and the elastic member 32 The elastic member 32 and the first engaging portion 311 b are located at both ends of the first rotating shaft 33 , that is, the elastic member 32 is located between the second matching portion 312 of the locking block 31 and the second housing 2 .

In this embodiment, by arranging the elastic member 32 between the second housing 2 and the second matching portion 312 of the blocking block 31, when the blocking block 31 rotates around the first rotating shaft 33 under the action of an external force, it can be compressed or stretched. As for the elastic member 32, when the external force disappears, under the action of the restoring force of the elastic member 32, the blocking block 31 can be restored to the original state, so that the blocking block 31 can be automatically reset.

As shown in FIG. 12 , when an external force presses the second matching portion 312 of the locking block 31 , under the action of the external force, the locking block 31 rotates in the first direction around the first rotating shaft 33 , so that the first matching portion 311 disposed on the first matching portion 311 is rotated in the first direction. The engaging portion 311a is disengaged from the second engaging slot 141 provided in the first housing 1, so that the first engaging portion 311a and the second engaging portion are released from engaging with each other, and during the rotation of the engaging block 31, the second engaging The portion 312 compresses the elastic member 32 . When the external force disappears, the blocking block 31 rotates in the opposite direction to the first direction under the action of the elastic member 32, so that the blocking block 31 returns to the initial state. At this time, when the first housing 1 and the second housing 2 When in the first working state, after the locking block 31 is restored to the initial state, the first locking portion 311b of the locking portion 311b can be located in the second locking slot 141, thereby realizing the locking between the first locking portion 311b and the second locking portion; when When the first casing 1 and the second casing 2 are not in the first working state, after the locking block 31 is restored to the initial state, the first engaging portion 311b and the second engaging portion are not engaged with each other.

Specifically, the elastic member 32 can be a spring, and as shown in FIG. 10 , the second matching portion 312 of the locking block 31 is provided with a guide post 312a protruding toward the direction of the second housing 2 , and the spring is sleeved on the guide The post 312a is in contact with the wall surface of the second matching portion 312 facing the second housing 2 . In this embodiment, the arrangement of the guide post 312 a can facilitate the installation of the elastic member 32 and can improve the stability of the elastic deformation of the elastic member 32 .

In a specific embodiment, as shown in FIG. 5 , the second housing 2 includes two mounting parts 211 , both of which are provided with rotating holes 211 a , and the first rotating shaft 33 is installed in the rotating holes 211 a . Specifically, the first rotating shaft 33 can be fixed to the two rotating holes 211a, and at the same time, the first rotating shaft 33 passes through the blocking block 31 and is rotatably connected with the blocking block 31, so that the blocking block 31 can be relative to the second housing 2 Turn. At the same time, there is a predetermined space between the two mounting parts 211, and at least part of the matching part 3 is located in the predetermined space. Specifically, the above two mounting portions 211 may be sheet-like structures.

Meanwhile, as shown in FIG. 4 and FIG. 8 , the first housing 1 is provided with a protruding edge 14 , and the protruding edge 14 participates in enclosing the side wall of the second slot 141 . When the wireless charger is in the first working state, as shown in FIG. 1 , the protruding rib 14 can cooperate with the two mounting portions 211 , and the protruding rib 14 and the two mounting portions 211 enclose an accommodation space 211 b . The component 3 and the connecting component 13 are located in the accommodating space 211b, and can be mated or released in the accommodating space 211b. Wherein, the protruding rib 14 may specifically be an arc-shaped structure.

Specifically, as shown in FIG. 1 , when the wireless charger is in the first working state, the protruding edge 14 abuts on the upper part of the matching part 3 and abuts on the outer sides of the two mounting parts 211 , so that the protruding edge 14 abuts on the outside of the two mounting parts 211 . 14 can play the role of protecting the mating part 3 .

In this embodiment, the second housing 2 is provided with two mounting parts 211, which can facilitate the rotational connection between the clamping block 31 and the second housing 2, and at least part of the matching part 3 can be accommodated in the above-mentioned accommodating space 211b, Therefore, the overall volume of the wireless charger is reduced, and the function of protecting each component of the matching component 3 can be achieved.

In the above embodiments, as shown in FIG. 2 , the wireless charger may further include a second rotating shaft 12 , and the first housing 1 and the second casing 2 are rotatably connected through the second rotating shaft 12 . When the mating component 3 is connected to the When the component 13 is disconnected, the first housing 1 and the second housing 2 can rotate relative to each other to open or close the installation space.

Specifically, the aforementioned connecting member 13 and the matching member 3 are arranged at the end opposite to the second rotating shaft 12 .

On the other hand, as shown in FIG. 1 , the first housing 1 includes a first body portion 11 , the second rotating shaft 12 and the connecting member 13 are connected to the first body portion 11 , and the first body portion 11 is used for It cooperates with the second casing 2 to enclose the above-mentioned installation space. Wherein, as shown in FIG. 1 , the first body portion 11 is provided with a first suction cup 111 , one end of the first suction cup 111 extends into the installation space and can be electrically connected to the coil assembly 4 , and the other end is located in the first body portion 11 . The outer side is used for electrical connection with electronic equipment. Therefore, when the wireless charger is in the first working state, the electronic device to be charged can be placed on the first suction cup 111 of the first housing 1, and the first suction cup 111 connects the electronic device and the coil located in the installation space The components 4 are electrically connected, so that the charging of the electronic device can be realized.

Meanwhile, as shown in FIG. 3 , the coil assembly 4 is provided with a second suction cup 431 , and the second suction cup 431 is used for electrical connection with the electronic device. Therefore, when the wireless charger is in the second working state, the coil assembly 4 can be taken out from the installation space enclosed by the first casing 1 and the second casing 2, and the coil assembly 4 can be placed on the desktop, The electronic device to be charged is placed on the second suction cup 431 of the coil assembly 4 , so as to realize the charging of the electronic device through the second suction cup 431 .

Wherein, when the wireless charger is in the first working state, the end of the first suction cup 111 extending into the installation space can be electrically connected to the second suction cup 431, thereby being electrically connected to the coil assembly 4, and the first suction cup 111 is inserted into the installation space. One end in the space can also be directly electrically connected to the coil assembly 4 .

Specifically, as shown in FIG. 3 , the coil assembly 4 may include a coil 41 , a ferrite 42 and a bracket 43 , wherein the coil 41 can generate a sympathetic magnetic field, and the ferrite 42 is used for magnetic permeability and has magnetic permeability With the advantages of both higher magnetic flux and sympathetic magnetic field, the risk of eddy currents being generated in the ferrite 42 by the sympathetic magnetic field is lower, thereby improving the charging efficiency. During the operation of the coil assembly 4, the coil 41 can generate a sympathetic magnetic field under the action of the current, and the sympathetic magnetic field can generate another sympathetic magnetic field, and the receiving coil of the electronic device is converted into an electric current under the action of the sympathetic magnetic field, thereby realizing charging.

The bracket 43 is used to install the coil 41 and the ferrite 42 . As shown in FIG. 13 , the second suction cup 431 is arranged on the bracket 43 , and the second suction cup 431 can pass through the bracket 43 and be electrically connected to the coil 41 . . The coil 41 also has lead wires 411 for connecting with a power source.

At the same time, when the wireless charger is in the first working state, the bracket 43 of the coil assembly 4 can also be connected to the housing, so that the coil assembly 4 is installed in the above-mentioned installation space. Specifically, as shown in FIG. 4 , the inner surface of the first body portion 11 of the first housing 1 is provided with a first snap 112 , and correspondingly, as shown in FIG. 14 , the bracket 43 is provided with a second snap 432. When the wireless charger is in the first working state, and the coil assembly 4 is located in the above-mentioned installation space, the first buckle 112 is engaged with the second buckle 432; when the wireless charger is in the second working state, the first buckle 112 is engaged with the second buckle 432. The clip 112 and the second clip 432 can be released from the clip, so that the coil assembly 4 can be taken out from the installation space.

Specifically, the first housing 1 may be provided with a plurality of the above-mentioned first buckles 112 . For example, the first buckles 112 may be three spaced apart and form a triangular structure. Correspondingly, the second buckles 432 may be Three are arranged at intervals and form a triangular structure, so as to further improve the connection reliability between the coil assembly 4 and the first housing 1 .

On the other hand, both the above-mentioned coil 41 and ferrite 42 can be clamped to the bracket 43 , or can also be mounted to the bracket 43 in other ways.

In the above embodiments, as shown in FIG. 3 , the wireless charger may further include a heat sink 5 and a circuit board 6 , the heat sink 5 and the circuit board 6 are installed in the above-mentioned installation space, and the heat sink 5 and the circuit board 6 is electrically connected, so that the operation of the heat sink 5 can be controlled through the circuit board 6 . In addition, the above-mentioned coil assembly 4 can also be connected to the circuit board 6, so that the working state of the coil assembly 4 is controlled by the circuit board 6, and the circuit board 6 can be the main board of the wireless charger.

In this embodiment, the heat sink 5 can be used to reduce the temperature of each component of the wireless charger during operation, for example, it can reduce the temperature of the coil assembly 4, thereby helping the coil assembly 4 to work at a suitable temperature and improve its performance. The efficiency of the current conversion, thereby improving the working efficiency of the wireless charger.

In the embodiment of the present application, when the wireless charger is in the first working state, the temperature of the coil assembly 4 can be lowered by the heat sink 5, and the charging efficiency can be improved. When the wireless charger is in the second working state, since the coil assembly 4 is directly exposed to the external environment, the user can reduce the temperature of the wireless charger through external cooling devices (such as an air conditioner in the environment, etc.), so as to increase the temperature of the wireless charger. charging efficiency. Therefore, the solutions in the embodiments of the present application enable the wireless charger to have higher charging efficiency when working in both the first working state and the second working state.

It should be noted that a part of this patent application file contains content protected by copyright. Except for making copies of the patent files of the Patent Office or the contents of the recorded patent files, the copyright owner reserves the right to copyright.

Claims (11)

1. A wireless charger comprising a housing and a coil assembly, the housing comprising a first housing and a second housing, and the housing comprising a mounting space for accommodating the coil assembly;

the first shell is provided with a connecting part, the second shell is provided with a matching part, and the connecting part and the matching part can be connected or disconnected so that the wireless charger at least has a first working state and a second working state;

in the first working state, the connecting part is connected with the matching part so as to close the installation space, and the coil assembly is positioned in the installation space; in the second working state, the connecting part is disconnected from the matching part, the coil assembly is located outside the installation space, and the electronic equipment can be charged through the coil assembly.

2. The wireless charger according to claim 1, wherein the mating member includes a first clip portion connected to the second housing, and the connecting member includes a second clip portion provided to the first housing;

the first clamping portion can be clamped with the second clamping portion or clamped in the second clamping portion.

3. The wireless charger according to claim 2, wherein the fitting member includes a latch and a first rotating shaft, the first rotating shaft is connected to the second housing, and the latch is capable of rotating around the first rotating shaft;

the first clamping portion is arranged on the clamping block, and in the rotating process of the clamping block, the first clamping portion can be clamped with the second clamping portion or clamped in the second clamping portion.

4. The wireless charger according to claim 3, wherein the fitting member further comprises an elastic member, the elastic member is located between the second housing and the latch, and the elastic member and the first engaging portion are located at two ends of the first rotating shaft.

5. The wireless charger according to claim 3, wherein the fixture block is provided with a first clamping groove, and the first housing is provided with a second clamping groove;

first joint portion with during the joint of second joint portion, first joint portion can be located the second draw-in groove, second joint portion can be located first draw-in groove.

6. The wireless charger according to claim 3, wherein the second housing includes two mounting portions, both of the mounting portions being provided with a rotation hole, the first rotation shaft being mounted in the rotation hole;

a preset distance is reserved between the two mounting parts, and the first shell is provided with a convex rib;

in the first working state, the convex ribs and the two mounting parts form an accommodating space in an enclosing mode, and the connecting part and the matching part are located in the accommodating space.

7. The wireless charger according to any one of claims 1 to 6, further comprising a second rotating shaft, wherein the first housing and the second housing are rotatably connected through the second rotating shaft;

when the matching part is disconnected with the connecting part, the first shell and the second shell can rotate relatively to open or close the installation space.

8. The wireless charger according to any one of claims 1 to 6, wherein the outer surface of the first housing is provided with a first suction cup, the first suction cup can extend into the installation space and is electrically connected with the coil assembly, and in the first working state, the first suction cup is used for being electrically connected with an electronic device;

and the coil assembly is provided with a second sucker, and the second sucker is used for being electrically connected with the electronic equipment in the second working state.

9. The wireless charger of claim 8 wherein the coil assembly comprises a coil and a cradle, the coil being mounted to the cradle;

the second sucker is arranged on the bracket.

10. The wireless charger of claim 9, wherein the first housing is provided with a first catch and the cradle is provided with a second catch;

when the coil assembly is located in the installation space, the first buckle is connected with the second buckle in a clamping mode.

11. The wireless charger according to any one of claims 1 to 6, further comprising a heat sink installed in the installation space.

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