CN115296373A - Wireless charging device and electronic device - Google Patents

Abstract

The present application discloses a wireless charging device and an electronic device. The wireless charging device includes a housing, a charging device and a charging bracket. The charging device is arranged in the housing. The side wall of the housing has an opening corresponding to the charging bracket. In the storage state, the charging stand is accommodated in the housing, and in the extended state, the charging stand extends from the side wall of the housing along the opening. The wireless charging device proposed in the present application includes a housing, a charging device and a charging bracket. The housing is provided with an opening corresponding to the charging bracket. In the storage state, the charging bracket can be stored in the housing to reduce the overall volume of the wireless charging device. , in the extended state, the charging bracket can be extended from the side wall of the casing along the opening for placing the device to be charged, so as to support the device to be charged.

Description

Wireless Charging Devices and Electronics

technical field

The present application belongs to the technical field of electronic equipment, and in particular relates to a wireless charging equipment and electronic equipment.

Background technique

At present, with the rapid development of the smart phone industry, the functions of smart phones are becoming more and more powerful. Mobile phones have become an indispensable accessory in our lives. Some consumers even have two mobile phones, as well as smart products such as tablets. The mobile phone has been pursuing extreme thinness and lightness, which limits its battery capacity and requires frequent charging every day.

In the related art, as shown in Fig. 1 and Fig. 2, the mobile phone 2' is placed on the wireless charging device 1', and the wireless charging is performed through the action of the coil and the magnetic field by using the principle of electromagnetic induction. However, the existing wireless charging device 1' has a large volume, which makes it inconvenient to store, and can only charge one mobile phone 2' at a time, and the charging efficiency is low.

Contents of the invention

The present application aims to provide a wireless charging device and an electronic device, at least solving one of the problems that the wireless charging device is relatively large in size, poor in portability, can only charge one mobile phone at a time, and has low charging efficiency.

In order to solve the above-mentioned technical problems, the application is implemented as follows:

In the first aspect, the embodiment of the present application proposes a wireless charging device, which includes a housing, a charging device, and a charging bracket. The charging device is arranged in the housing, and the side wall of the housing has an opening corresponding to the charging bracket. state and extended state. In the stored state, the charging stand is accommodated in the casing. In the extended state, the charging stand protrudes from the side wall of the casing along the opening.

In a second aspect, an embodiment of the present application provides an electronic device, including: the wireless charging device as provided in any one of the first aspect.

In an embodiment of the present application, the wireless charging device includes a housing, a charging device, and a charging bracket. The housing is provided with an opening corresponding to the charging bracket. In the storage state, the charging bracket can be stored in the housing to reduce the size of the wireless charging device. The overall volume is convenient for the storage of the wireless charging device. In the extended state, the charging stand can protrude from the side wall of the housing along the opening for placing the device to be charged, so as to realize the support of the device to be charged.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

FIG. 1 is a schematic diagram of a wireless charging device in the related art;

FIG. 2 is a schematic diagram of a mobile phone being charged by a wireless charging device in the related art.

Reference signs:

1' wireless charging device, 2' mobile phone.

Fig. 3 is one of schematic diagrams of a wireless charging device according to an embodiment of the present application;

Fig. 4 is a second schematic diagram of a wireless charging device according to an embodiment of the present application;

Fig. 5 is one of the schematic diagrams of the charging stand extending out of the first casing according to the embodiment of the present application;

Fig. 6 is the second schematic diagram of the charging bracket extending out of the first casing according to the embodiment of the present application;

Fig. 7 is a third schematic diagram of a wireless charging device according to an embodiment of the present application;

Fig. 8 is a fourth schematic diagram of a wireless charging device according to an embodiment of the present application;

FIG. 9 is one of the schematic diagrams of an electronic device according to an embodiment of the present application;

Fig. 10 is a fifth schematic diagram of a wireless charging device according to an embodiment of the present application;

Fig. 11 is a sixth schematic diagram of a wireless charging device according to an embodiment of the present application;

Fig. 12 is a seventh schematic diagram of a wireless charging device according to an embodiment of the present application;

Fig. 13 is a second schematic diagram of an electronic device according to an embodiment of the present application.

Reference signs:

1 first housing, 10 chute, 12 switch key, 14 universal serial bus jack, 16 limit block, 2 second housing, 20 cooling hole, 3 charging device, 30 first coil, 32 second coil , 4 charging brackets, 40 locking parts, 42 limiting parts, 5 driving parts, 50 driving parts, 52 worm gears, 54 worms, 56 fixing nuts, 6 heat sinks, 7 circuit boards, 8 covers, 9 equipment to be charged.

Detailed ways

Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The features of the terms "first" and "second" in the description and claims of the present application may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality" means two or more.

In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "circumferential" ” and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific configuration and operation, and therefore should not be construed as limiting the application.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

A wireless charging device and an electronic device according to an embodiment of the present application are described below with reference to FIGS. 3 to 13 .

As shown in Figure 3 and Figure 4, the wireless charging device according to some embodiments of the present application includes a housing, a charging device 3 and a charging bracket 4, the charging device 3 is arranged in the housing, and the side wall of the housing has a charging bracket 4 Corresponding to the opening, the charging bracket 4 has a storage state and an extended state. In the storage state, the charging bracket 4 is stored in the casing, and in the extended state, the charging bracket 4 protrudes from the side wall of the casing along the opening.

In the embodiment of the present application, the wireless charging device includes a casing, a charging device 3 and a charging bracket 4, and the casing is provided with an opening corresponding to the charging bracket 4, and the charging bracket 4 can be stored in the casing in a storage state, so as to The overall volume of the wireless charging device is reduced to facilitate the storage of the wireless charging device. In the extended state, the charging bracket 4 can protrude from the side wall of the housing along the opening for placing the device to be charged, thereby realizing the support of the device to be charged.

In a possible design, the housing includes: a first housing 1, the side wall of the first housing 1 is provided with an opening; a second housing 2, the charging device 3 is arranged in the second housing 2, and the second The casing 2 is movably connected with the first casing 1 , and at least a part of the second casing 2 can move between being accommodated in the first casing 1 and protruding from the top wall of the first casing 1 .

In this design, the housing includes a first housing 1 and a second housing 2, the second housing 2 is movably connected with the first housing 1, at least a part of the second housing 2 can be accommodated in the first housing 1 and out of the first shell 1, so that the second shell 2 and the first shell 1 can be stretched, so as to facilitate the storage of the wireless charging device. The charging device 3 is arranged on the second housing 2, and the position of the charging device 3 can be changed with the movement of the second housing 2, so as to adapt to devices 9 to be charged at different heights and improve charging efficiency.

Wherein, the first casing 1 is provided with an opening, that is, the charging stand 4 is arranged on the first casing 1 and is movably connected with the first casing 1, so that the charging stand 4 can be accommodated in the first casing 1 It moves between and protruding from the first housing 1, thereby reducing the occupied space of the wireless charging device and facilitating the storage of the wireless charging device. By movably connecting the second housing 2 and the charging bracket 4 with the first housing 1, the second housing 2 and the charging bracket 4 can be accommodated in the first housing 1 when there is no need to use a wireless charging device for charging, Reduce the overall volume of the wireless charging device, thereby facilitating the storage and portability of the wireless charging device. When the wireless charging device needs to be used for charging, at least a part of the second housing 2 and the charging bracket 4 are protruded from the first housing 1, The device 9 to be charged is placed on the charging bracket 4 , and the device 9 to be charged is wirelessly charged through the charging device 3 .

It can be understood that the charging device 3 is arranged on the second housing 2, so the height of the charging device 3 relative to the charging bracket 4 can change with the movement of the second housing 2, that is, the height of the charging device 3 relative to the charging bracket 4 The height of the charging device 3 can be adjusted so that the charging device 3 can adapt to the position of the charging coil of the device 9 to be charged, so as to realize efficient charging.

As shown in Fig. 4, Fig. 5, Fig. 6, Fig. 11 and Fig. 12, according to some embodiments of the present application, one of the first casing 1 and the charging stand 4 is provided with a chute 10, and the other is provided with a There is a slider, which is arranged in the chute 10 and can slide along the chute 10 .

In this embodiment, one of the first casing 1 and the charging stand 4 is provided with a sliding slot 10, and the other is provided with a slider, and the sliding block and the sliding slot 10 are slidably connected to realize the charging stand 4. quick storage and extension.

As shown in Figure 11 and Figure 12, according to some embodiments of the present application, the charging stand 4 is provided with a locking member 40, and the locking member 40 is used to connect with the first shell 1 so that the charging stand 4 and the first shell The body 1 is locked, or disconnected from the first housing 1 to unlock the charging stand 4 from the first housing 1 .

In this embodiment, a locking member 40 is provided on the charging stand 4, and the locking member 40 can be connected with the first casing 1 to lock the charging stand 4 on the first casing 1, so as to avoid charging when not in use. In the case of the bracket 4, the first casing 1 comes out. The locking member 40 can also be unlocked from the first casing 1 , so that the charging stand 4 can be pulled out from the first casing 1 to support the device 9 to be charged.

Further, the locking member 40 includes a knob.

In a specific application, the charging stand 4 is configured as a drawer structure. When the charging stand 4 needs to be used, turn on the knob and pull the charging stand 4 so that the charging stand 4 protrudes from the first housing 1 to support the charging device 9 . When the charging stand 4 is not needed, push the charging stand 4 back into the first casing 1, and turn the knob to lock the charging stand 4, so that the charging stand 4 is stored in the first casing 1, reducing the size of the wireless charging device. volume of.

As shown in FIG. 11 and FIG. 12 , according to some embodiments of the present application, a limiting member 42 is provided on the charging bracket 4 , a limiting block 16 is provided on the first housing 1 , and the limiting member 42 cooperates with the limiting block 16 . It is used to restrict the charging bracket 4 from falling out of the second casing 2 .

In this embodiment, a limiting member 42 is also provided on the charging bracket 4, and a limiting block 16 is arranged on the first housing 1, and the limiting member 42 cooperates with the limiting block 16 to prevent the charging bracket 4 from falling out of the second shell. The body 2 ensures the reliability of the connection between the charging bracket 4 and the first casing 1 and the supporting effect of the device 9 to be charged.

Further, the limiting member 42 is arranged at the end of the charging stand 4 , and the front end of the charging stand 4 is provided with a handle.

Further, a driving structure is provided on the first casing 1 for driving the charging stand 4 to move, so that the charging stand 4 protrudes from the first casing 1 or retracts from the first casing 1 .

In a specific application, when a wireless charging device needs to be used for charging, the locking member 40 is unlocked, and the charging bracket 4 is pulled, so that the charging bracket 4 protrudes from the first housing 1, and finally the charging bracket 4 is connected to the charging bracket 4 through the limiting member 42. Limiting is used to support the device 9 to be charged. When the charging stand 4 is not needed, push the charging stand 4 back into the first casing 1, and lock the locking member 40, so that the charging stand 4 is stored in the first casing 1, reducing the weight of the wireless charging device. volume.

As shown in Fig. 4, Fig. 5, Fig. 6 and Fig. 9, according to some embodiments of the present application, the number of charging stands 4 is one or more, wherein, when the number of charging stands 4 is multiple, more A charging stand 4 is distributed at intervals along the circumferential direction of the casing.

In this embodiment, the number of charging brackets 4 is one or more, wherein, when the number of charging brackets 4 is multiple, a plurality of charging brackets 4 are distributed at intervals along the circumferential direction of the housing, and can simultaneously charge multiple charging brackets 4 Charging by the charging device 9 greatly improves user experience, improves charging efficiency, and shortens the total charging time for multiple devices 9 to be charged.

Further, a plurality of charging brackets 4 are evenly distributed along the circumferential direction of the first casing 1 .

In a specific application, the number of charging stands 4 is three.

As shown in Figure 10, Figure 11, Figure 12 and Figure 13, according to some embodiments of the present application, the charging device 3 includes: a first coil 30, the first coil 30 is wound in the first annular cavity along the first direction; Two coils 32, the second coil 32 is located below the first coil 30, the second coil 32 is wound in the second annular cavity along the second direction, the first direction is opposite to the second direction, wherein the end of the first coil 30 It is connected with the starting end of the second coil 32 .

In this embodiment, the charging device 3 includes a first coil 30 and a second coil 32, the first coil 30 is wound in the first annular chamber to form a ring-shaped coil, and the second coil 32 is wound in the second annular chamber , so that it forms a ring-shaped coil, the first coil 30 and the second coil 32 are wound in opposite directions, and the end of the first coil 30 is connected to the start of the second coil 32, so that the first coil 30 and the second coil 32 connected "Z" shape, can generate complementary magnetic field, as shown in Figure 13, the final magnetic field is emitted from the bottom of the first shell 1, and returns to the top of the second shell 2, forming a circular magnetic field, so, placed in the magnetic field All the devices 9 to be charged inside can be wirelessly charged effectively, and there is no strict requirement on the placement position or the placement direction.

Wherein, the first coil 30 is wound along a first direction, and the second coil 32 is wound along a second direction, and the first direction is opposite to the second direction. Specifically, the plane where the first coil 30 and the second coil 32 are located is the same as that of the third coil. The direction is vertical, and in a plane perpendicular to the third direction, one of the first direction and the second direction is clockwise, and the other is counterclockwise. For example, the first coil 30 is wound clockwise in the first annular chamber, the second coil 32 is wound counterclockwise in the second annular chamber, or the first coil 30 is wound counterclockwise in the first annular chamber, and the second coil 32 is clockwise wound in the first annular chamber. The hour hand is wound around the second annular cavity. Specifically, the direction of the magnetic field can be controlled by controlling the direction of the current.

Further, the starting end of the first coil 30 is connected to the circuit board 7 , and the tail end of the second coil 32 is connected to the circuit board 7 .

According to some embodiments of the present application, the charging device 3 includes: a first coil 30, the first coil 30 is spirally wound in a plane perpendicular to the third direction; a second coil 32 is arranged below the first coil 30 , the second coil 32 is spirally wound in a plane perpendicular to the third direction, the winding direction of the first coil 30 is opposite to the winding direction of the second coil 32, wherein the tail end of the first coil 30 is opposite to the winding direction of the second coil 30 The starting ends of the two coils 32 are connected.

In this embodiment, the charging device 3 includes a first coil 30 and a second coil 32, the first coil 30 is spirally wound in a plane perpendicular to the third direction, so that the first coil 30 is in the shape of a mosquito coil, and the second The coil 32 is helically wound in a plane perpendicular to the third direction, so that the second coil 32 is in the shape of a mosquito-repellent coil, the winding directions of the first coil 30 and the second coil 32 are opposite, and the end of the first coil 30 is connected to the The starting ends of the second coil 32 are connected so that the first coil 30 and the second coil 32 are connected in a "Z" shape, which can generate complementary magnetic fields. As shown in Figure 13, the final magnetic field is emitted from the bottom of the first housing 1 and returns To the top of the second casing 2, an annular magnetic field is formed, so that the device 9 to be charged placed in the magnetic field can be effectively charged wirelessly, and there is no strict requirement on the placement position or direction.

As shown in FIG. 10 , FIG. 11 and FIG. 12 , according to some embodiments of the present application, the wireless charging device further includes: at least one driving part 5 connected to the first casing 1 and the second casing 2 for driving the first The second casing 2 moves relative to the first casing 1 .

In this embodiment, the wireless charging device further includes at least one driving part 5, the driving part 5 is connected with the first housing 1 and the second housing 2, and is used to drive the second housing 2 to move relative to the first housing 1 , so that at least a part of the second housing 2 can move between being accommodated in the first housing 1 and extending out of the first housing 1, that is, the driving part 5 can realize the connection between the second housing 2 and the first housing 1 Stretching to improve the automation of wireless charging equipment.

In a specific application, the number of driving parts 5 is three.

In a specific application, the driving part 5 can drive at least a part of the second housing 2 to move between a first position accommodated in the first housing 1 and a second position extending out of the first housing 1 .

Further, the second housing 2 has at least a first position, a second position and a third position during the movement relative to the first housing 1 .

When the second housing 2 is in the first position, the second housing 2 is in the storage state, that is, at least a part of the second housing 2 is stored in the first housing 1; when the second housing 2 is in the first position In the state of two positions, the second housing 2 is in the first extended state, so that the overall height of the first housing 1 and the second housing 2 is the first height, wherein the first height is the second housing 2 and the second housing 2. The maximum height of the first housing 1; in the state where the second housing 2 is in the third position, the second housing 2 is in the second extended state, so that the overall height of the first housing 1 and the second housing 2 is the second height, wherein the second height is smaller than the first height. That is, there may be at least two protruding positions, so as to adapt to the coils of the devices 9 to be charged with different heights.

Furthermore, between the first position and the second position, the second housing 2 has multiple stop positions, so that the second housing 2 and the first housing 1 can expand and contract into various sizes, adapting to multiple A device to be charged 9 of a height.

According to some embodiments of the present application, at least one driving part 5 includes: a driving part 50, disposed on the first housing 1; a first transmission part, disposed on the first housing 1, and drivingly connected to the driving part 50; a second transmission The first transmission member is connected to the second transmission member, and is used to drive the second housing 2 to expand and contract relative to the first housing 1 .

In this embodiment, at least one driving part 5 includes a driving part 50, a first transmission part and a second transmission part, the first transmission part is connected with the first housing 1, and the second transmission part is connected with the second housing 2, The driving member 50 drives the first transmission member to move, and the first transmission member drives the second transmission member to move, thereby realizing the driving of the second housing 2 , so that the second housing 2 can expand and contract relative to the first housing 1 .

In a particular application, drive member 50 includes an electric motor.

As shown in FIG. 10, FIG. 11 and FIG. 12, according to some embodiments of the present application, the first transmission member includes a worm wheel 52, the second transmission member includes a worm 54, and the worm 54 extends along a third direction, and the worm wheel 52 and the worm 54 are in phase. engage.

In this embodiment, the first transmission member includes a worm wheel 52, and the second transmission member includes a worm 54, through the transmission of the worm wheel 52 and the worm screw 54, the rotation of the driving member 50 is converted into the movement of the second housing 2 along the third direction, The movement of the second housing 2 relative to the first housing 1 is realized. The meshing transmission of the worm wheel 52 and the worm 54 is relatively stable, which ensures the reliability of the movement of the second housing 2 .

According to some embodiments of the present application, the first transmission member includes a gear, the second transmission member includes a rack, the rack extends along the third direction, and the gear meshes with the rack.

In this embodiment, the first transmission member includes a gear, and the second transmission member includes a rack, and the movement of the second housing 2 along the third direction is realized through the meshing transmission of the gear and the rack.

According to some embodiments of the present application, the first transmission member includes a cam, the second transmission member includes a transmission rod extending along the third direction, and the cam is located at the bottom of the transmission rod and contacts with the transmission rod.

In this embodiment, the first transmission member includes a cam, and the second transmission member includes a transmission rod. The cam cooperates with the transmission rod, and the movement of the second housing 2 along the third direction is realized through the rotary motion of the cam.

As shown in FIG. 10 , FIG. 11 and FIG. 12 , according to some embodiments of the present application, the wireless charging device further includes: a cooling element 6 disposed in the second casing 2 .

In this embodiment, the wireless charging device further includes a heat sink 6 , which is arranged in the casing to dissipate heat from the charging device 3 in the casing, improve the heat dissipation effect of the charging device 3 , and ensure the working performance of the charging device 3 .

In a specific application, the cooling element 6 includes a cooling fan.

As shown in FIG. 11 and FIG. 12 , according to some embodiments of the present application, at least one cooling hole 20 is provided on the wall of the casing.

In this embodiment, at least one cooling hole 20 is provided on the wall of the casing, which improves the cooling effect of the charging device 3 .

As shown in FIG. 10 , FIG. 11 and FIG. 12 , according to some embodiments of the present application, the wireless charging device further includes: a circuit board 7 disposed in the housing and connected to the charging device 3 .

In this embodiment, the wireless charging device further includes a circuit board 7 , which is arranged in the housing and connected to the charging device 3 to realize the control of the charging device 3 .

Further, the wireless charging device further includes a cover body 8 , which is arranged on the end of the second housing 2 away from the first housing 1 , so as to ensure the integrity of the wireless charging device and the sealing of the second housing 2 .

In a specific application, the cover body 8 and the second housing 2 are fixed by double-sided adhesive tape.

In a specific application, the second housing 2 and the first housing 1 are cylindrical.

According to some embodiments of the present application, an electronic device is also provided, including: the wireless charging device provided in any one of the above technical solutions.

The electronic device provided by the present application has all the beneficial effects of the wireless charging device because it includes the wireless charging device proposed by any of the above technical solutions.

It should be noted that the electronic device includes a device body and a wireless charging device. The device body is charged through the wireless charging device. It can be understood that the device body is also the device to be charged 9. Specifically, the device body can be a smart phone, a tablet computer , e-readers, wearable devices, etc., are not listed here.

According to an embodiment of the present application, a scalable and portable multi-device wireless charging device is provided. It mainly includes a cover body 8, a second casing 2, a first casing 1, a first coil 30, a second coil 32, a driving part 5 composed of three sets of motors, three sets of worm gears 52, and a worm 54, and three sets of retractable coils. The charging bracket 4, two cooling fans, fixed nuts 56, switch key 12 and PCB board, etc., wherein, between the second housing 2 and the first housing 1, three sets of motors, worm gears 52 and worm 54 structures can realize The other three groups of charging brackets 4 can be opened up and down by using the slide rail structure, and realize the charging of multiple smart products such as mobile phones at the same time. The functions of the main components are as follows:

As shown in FIG. 8 , the first housing 1 : carries three sets of charging brackets 4 , PCB boards, three sets of worm gears 52 and 54 structures and three sets of motors, and the first housing 1 is provided with a USB jack 14 .

The second housing 2 : carries the first coil 30 , the second coil 32 and two sets of cooling fans, and the three sets of worms 54 are fixedly connected by fixing nuts 56 , and can move up and down relative to the first housing 1 .

The cover body 8: is fixedly connected with the second casing 2 through double-sided adhesive tape, so as to ensure the integrity and sealing of the wireless charging device.

Motor: fixed on the first casing 1, providing power for the structural movement of the worm wheel 52 and the worm screw 54, there are three in total.

Worm wheel 52, worm screw 54 mechanism: including two parts of worm wheel 52 and worm screw 54, the upper end of worm screw 54 is fixedly connected with second housing 2 by nut, when worm wheel 52, worm screw 54 mechanism work, motor provides power, worm wheel 52 rotates, worm screw 54 The upward movement drives the second casing 2 to move upward, and the entire wireless charging device is pulled up and down, which can be adjusted according to the coil position of the mobile phone, thereby achieving the maximum wireless charging power.

Charging bracket 4: three sets of charging brackets 4 are connected to the first housing 1 through the slide rail mechanism. When the knob is turned on, they can move relative to each other, and finally stop by the limiter 42. The charging bracket 4 is used to carry mobile phones that need to be charged, etc. smart product.

The first coil 30 and the second coil 32: the first coil 30 and the second coil 32 are wound in opposite directions, and the two are connected in a Z shape to generate a complementary magnetic field. Finally, the magnetic field is emitted from the tail of the cylinder and returns to the top of the cylinder. A ring magnetic field is formed, and electronic devices placed in the ring can be effectively charged wirelessly, and there are no strict requirements on the position or direction of placement.

Cooling fan: blows and dissipates the heat generated by the entire wireless charging device, especially the first coil 30 and the second coil 32, and quickly disperses local high temperatures to improve user experience.

Circuit board 7: The display function used for stylus operation, which can present the scanned content on the display panel for easy recording, and can also be stored on the mobile phone through the Bluetooth module.

As shown in FIG. 7 , the switch key 12 is a switch for starting the function of the wireless charging device.

As shown in Figure 9, the overall structure of the wireless charging device can be stretched up and down, and the charging bracket 4 can be stored, which greatly improves the convenience and makes it possible to carry it around; it can charge multiple devices at the same time, which is convenient, fast and practical, and improves charging Efficiency; because there are no strict requirements on the placement of the mobile phone when it is charging, so when it is charging, it will not be affected by watching dramas or videos on the horizontal or vertical screen.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the application is defined by the claims and their equivalents.

Claims (13)

1. A wireless charging device is characterized by comprising a shell, a charging device and a charging support, wherein the charging device is arranged in the shell, a side wall of the shell is provided with an opening corresponding to the charging support, the charging support is provided with a storage state and an extension state, the charging support is stored in the shell in the storage state, and the charging support extends out of the side wall of the shell along the opening in the extension state.

2. The wireless charging device of claim 1, wherein the housing comprises:

the side wall of the first shell is provided with the opening;

the charging device is arranged in the second shell, the second shell is movably connected with the first shell, and at least one part of the second shell can move between the state that the second shell is accommodated in the first shell and the state that the top wall of the first shell extends out of the first shell.

3. The wireless charging device according to claim 2, wherein one of the first housing and the charging holder is provided with a sliding groove, and the other one of the first housing and the charging holder is provided with a sliding block, and the sliding block is arranged in the sliding groove and can slide along the sliding groove.

4. The wireless charging device of claim 3, wherein a locking member is disposed on the charging cradle, and the locking member is configured to be connected to the first housing to lock the charging cradle with the first housing or disconnected from the first housing to unlock the charging cradle with the first housing.

5. The wireless charging device of claim 3, wherein a limiting member is disposed on the charging bracket, and a limiting member is disposed on the first housing, and the limiting member is engaged with the limiting member to limit the charging bracket from being disengaged from the second housing.

6. The wireless charging device of any one of claims 1 to 5,

the number of the charging brackets is one or more,

wherein, under the condition that the quantity of the support that charges is a plurality of, a plurality of the support that charges distributes along the circumference interval of casing.

7. The wireless charging apparatus according to any one of claims 1 to 5, wherein the charging device includes:

the first coil is wound in the first annular cavity along a first direction;

a second coil positioned below the first coil, the second coil being wound around a second annular cavity in a second direction, the first direction being opposite to the second direction,

wherein the tail end of the first coil is connected with the start end of the second coil.

8. The wireless charging apparatus according to any one of claims 1 to 5, wherein the charging device includes:

the first coil is spirally wound in a plane perpendicular to the third direction;

the second coil is arranged below the first coil and spirally wound in a plane vertical to the third direction, the winding direction of the first coil is opposite to that of the second coil,

wherein the tail end of the first coil is connected with the start end of the second coil.

9. The wireless charging device of any one of claims 2 to 5, further comprising:

and the driving part is connected with the first shell and the second shell and is used for driving the second shell to move relative to the first shell.

10. The wireless charging apparatus of claim 9, wherein the at least one driving part comprises:

the driving piece is arranged on the first shell;

the first transmission piece is arranged on the first shell and is in transmission connection with the driving piece;

the second transmission piece is arranged on the second shell, and the first transmission piece is connected with the second transmission piece and used for driving the second shell to stretch relative to the first shell.

11. The wireless charging device of claim 10,

the first transmission piece comprises a worm wheel, the second transmission piece comprises a worm, the worm extends along a third direction, and the worm wheel is meshed with the worm; or

The first transmission piece comprises a gear, the second transmission piece comprises a rack, the rack extends along a third direction, and the gear is meshed with the rack; or

The first transmission piece comprises a cam, the second transmission piece comprises a transmission rod, the transmission rod extends along the third direction, and the cam is located at the bottom of the transmission rod and is in contact with the transmission rod.

12. The wireless charging device of any one of claims 1 to 5, further comprising:

the heat dissipation piece is arranged in the shell;

the wall surface of the shell is provided with at least one heat dissipation hole.

13. An electronic device, comprising:

the wireless charging device of any one of claims 1 to 12.

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