Wireless charging device and electronic device

Abstract

The application discloses a wireless charging device and an electronic device, the wireless charging device comprises a shell, a charging device and a charging support, the charging device is arranged in the shell, the side wall of the shell has an opening corresponding to the charging support, the charging support has a storage state and an extended state, in the storage state, the charging support is stored in the shell, in the extended state, the charging support extends from the side wall of the shell along the opening. The wireless charging device provided by the application comprises a shell, a charging device and a charging support, the shell is provided with an opening corresponding to the charging support, in the storage state, the charging support can be stored in the shell, so as to reduce the overall volume of the wireless charging device, in the extended state, the charging support can extend from the side wall of the shell along the opening, so as to place the device to be charged, and support the device to be charged.

Description

Technical Field

[0001] This application belongs to the field of electronic equipment technology, specifically relating to a wireless charging device and an electronic device. Background Technology

[0002] Currently, with the rapid development of the smartphone industry, smartphones are becoming increasingly powerful, making them indispensable personal items in our lives. Some consumers even own two smartphones, as well as tablets and other smart devices. However, the continuous pursuit of ultra-thin and lightweight designs in smartphones has limited their battery capacity, requiring frequent charging every day.

[0003] In related technologies, such as Figure 1 and Figure 2 As shown, when a mobile phone 2' is placed on a wireless charging device 1', it is wirelessly charged using the principle of electromagnetic induction through the interaction of a coil and a magnetic field. However, the existing wireless charging device 1' is bulky, making it inconvenient to store, and can only charge one mobile phone 2' at a time, resulting in low charging efficiency. Summary of the Invention

[0004] This application aims to provide a wireless charging device and electronic device, which at least solves one of the problems of wireless charging devices being large in size, making them poorly portable, and being able to charge only one mobile phone at a time, resulting in low charging efficiency.

[0005] To solve the above-mentioned technical problems, this application is implemented as follows:

[0006] In a first aspect, embodiments of this application propose a wireless charging device, including a housing, a charging device, and a charging bracket. The charging device is disposed inside the housing, and the side wall of the housing has an opening corresponding to the charging bracket. The charging bracket has a retracted state and an extended state. In the retracted state, the charging bracket is retracted into the housing, and in the extended state, the charging bracket extends out from the side wall of the housing along the opening.

[0007] Secondly, embodiments of this application provide an electronic device, including: a wireless charging device as described in any of the first aspects.

[0008] In the embodiments of this application, the wireless charging device includes a housing, a charging device, and a charging bracket. The housing has an opening corresponding to the charging bracket. In the retracted state, the charging bracket can be stored inside the housing to reduce the overall size of the wireless charging device and facilitate its storage. In the extended state, the charging bracket can extend from the side wall of the housing along the opening for the device to be charged to be placed, thus providing support for the device to be charged.

[0009] Additional aspects and advantages of this 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 this application. Attached Figure Description

[0010] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0011] Figure 1 This is a schematic diagram of a wireless charging device in related technologies;

[0012] Figure 2 This is a schematic diagram of a wireless charging device for charging a mobile phone, based on related technologies.

[0013] Figure label:

[0014] 1' Wireless charging device, 2' Mobile phone.

[0015] Figure 3 This is one of the schematic diagrams of a wireless charging device according to an embodiment of this application;

[0016] Figure 4 This is a second schematic diagram of a wireless charging device according to an embodiment of this application;

[0017] Figure 5 This is one of the schematic diagrams showing the charging bracket extending from the first housing according to an embodiment of this application;

[0018] Figure 6 This is a second schematic diagram of the charging bracket extending from the first housing according to an embodiment of this application;

[0019] Figure 7 This is a third schematic diagram of a wireless charging device according to an embodiment of this application;

[0020] Figure 8 This is a fourth schematic diagram of a wireless charging device according to an embodiment of this application;

[0021] Figure 9 This is one of the schematic diagrams of an electronic device according to an embodiment of this application;

[0022] Figure 10 This is the fifth schematic diagram of a wireless charging device according to an embodiment of this application;

[0023] Figure 11 This is a schematic diagram of a wireless charging device according to an embodiment of this application;

[0024] Figure 12 This is the seventh schematic diagram of a wireless charging device according to an embodiment of this application;

[0025] Figure 13 This is a second schematic diagram of an electronic device according to an embodiment of this application.

[0026] Figure label:

[0027] 1 First housing, 10 Slide groove, 12 Switch, 14 Universal serial bus socket, 16 Limiting block, 2 Second housing, 20 Heat dissipation hole, 3 Charging device, 30 First coil, 32 Second coil, 4 Charging bracket, 40 Locking component, 42 Limiting component, 5 Drive unit, 50 Drive component, 52 Worm gear, 54 Worm, 56 Fixing nut, 6 Heat dissipation component, 7 Circuit board, 8 Cover, 9 Device to be charged. Detailed Implementation

[0028] The embodiments of this application will now be described in detail. Examples of these embodiments are illustrated in the accompanying drawings, wherein 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 with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0029] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0030] In the description of this application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0031] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0032] The following is combined Figures 3 to 13 This application describes a wireless charging device and an electronic device according to embodiments thereof.

[0033] like Figure 3 and Figure 4As shown, a wireless charging device according to some embodiments of this application includes a housing, a charging device 3 and a charging bracket 4. The charging device 3 is disposed inside the housing. The side wall of the housing has an opening corresponding to the charging bracket 4. The charging bracket 4 has a retracted state and an extended state. In the retracted state, the charging bracket 4 is retracted into the housing. In the extended state, the charging bracket 4 extends out from the side wall of the housing along the opening.

[0034] In the embodiments of this application, the wireless charging device includes a housing, a charging device 3, and a charging bracket 4. The housing is provided with an opening corresponding to the charging bracket 4. In the retracted state, the charging bracket 4 can be retracted into the housing to reduce the overall volume of the wireless charging device and facilitate its storage. In the extended state, the charging bracket 4 can extend from the side wall of the housing along the opening for the device to be charged to be placed, thereby providing support for the device to be charged.

[0035] In one possible design, the housing includes: a first housing 1, the side wall of the first housing 1 having an opening; a second housing 2, the charging device 3 being disposed inside the second housing 2, the second housing 2 being movably connected to the first housing 1, and at least a portion of the second housing 2 being movable between being housed in the first housing 1 and extending out of the top wall of the first housing 1.

[0036] In this design, the housing includes a first housing 1 and a second housing 2, which are movably connected to the first housing 1. At least a portion of the second housing 2 can move between being housed within and extending beyond the first housing 1, allowing the second housing 2 and the first housing 1 to extend and retract for easy storage of the wireless charging device. A charging device 3 is disposed on the second housing 2, and its position can change with the movement of the second housing 2 to accommodate devices 9 at different heights, thereby improving charging efficiency.

[0037] The first housing 1 has an opening, and the charging bracket 4 is mounted on and movably connected to the first housing 1. This allows the charging bracket 4 to move between being housed within and extending out of the first housing 1, thereby reducing the space occupied by the wireless charging device and facilitating its storage. By movably connecting the second housing 2 and the charging bracket 4 to the first housing 1, when the wireless charging device is not needed, the second housing 2 and the charging bracket 4 can be stored inside the first housing 1, reducing the overall size of the wireless charging device and facilitating its storage and portability. When the wireless charging device needs to be used, at least a portion of the second housing 2 and the charging bracket 4 extend out of the first housing 1, and the device to be charged 9 is placed on the charging bracket 4. The charging device 9 is then wirelessly charged via the charging device 3.

[0038] It is understandable that the charging device 3 is set on the second housing 2. Therefore, 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 can be adjusted, thereby enabling the charging device 3 to adapt to the position of the charging coil of the device to be charged 9 and achieve efficient charging.

[0039] like Figure 4 , Figure 5 , Figure 6 , Figure 11 and Figure 12 As shown, according to some embodiments of this application, one of the first housing 1 and the charging bracket 4 is provided with a groove 10, and the other is provided with a slider. The slider is disposed in the groove 10 and can slide along the groove 10.

[0040] In this embodiment, a groove 10 is provided on one of the first housing 1 and the charging bracket 4, and a slider is provided on the other. The slider and the groove 10 are slidably connected, which realizes the quick storage and extension of the charging bracket 4.

[0041] like Figure 11 and Figure 12 As shown, according to some embodiments of this application, the charging bracket 4 is provided with a locking member 40, which is used to connect with the first housing 1 to lock the charging bracket 4 to the first housing 1, or to disconnect from the first housing 1 to unlock the charging bracket 4 to the first housing 1.

[0042] In this embodiment, the charging bracket 4 is provided with a locking member 40, which can be connected to the first housing 1 to lock the charging bracket 4 onto the first housing 1, preventing the first housing 1 from coming out when the charging bracket 4 is not needed. The locking member 40 can also be unlocked from the first housing 1, so that the charging bracket 4 can be pulled out from the first housing 1 to support the device 9 to be charged.

[0043] Furthermore, the locking element 40 includes a knob.

[0044] In practical applications, the charging stand 4 is constructed as a drawer. When the charging stand 4 is needed, the knob is turned on, and the charging stand 4 is pulled out, allowing it to extend out of the first housing 1 to support the device 9 to be charged. When the charging stand 4 is not needed, it is pushed back into the first housing 1, and the knob is rotated to lock it in place, thus reducing the size of the wireless charging device.

[0045] like Figure 11 and Figure 12As shown, according to some embodiments of this application, the charging bracket 4 is provided with a limiting member 42, and the first housing 1 is provided with a limiting block 16. The limiting member 42 and the limiting block 16 cooperate to restrict the charging bracket 4 from detaching from the second housing 2.

[0046] In this embodiment, the charging bracket 4 is also provided with a limiting member 42, and the first housing 1 is provided with a limiting block 16. The limiting member 42 and the limiting block 16 cooperate to prevent the charging bracket 4 from coming out of the second housing 2, so as to ensure the reliability of the connection between the charging bracket 4 and the first housing 1 and the support effect of the device 9 to be charged.

[0047] Furthermore, a limiting member 42 is provided at the end of the charging bracket 4, and a handle is provided at the front end of the charging bracket 4.

[0048] Furthermore, a driving structure is provided on the first housing 1 to drive the charging bracket 4 to move, so that the charging bracket 4 extends out of the first housing 1 or retracts into the first housing 1.

[0049] In practical applications, when wireless charging is needed, the locking member 40 is unlocked, and the charging bracket 4 is pulled out, allowing it to extend from the first housing 1. Finally, the limiting member 42 limits the charging bracket 4, supporting the device 9 to be charged. When the charging bracket 4 is not needed, it is pushed back into the first housing 1, and the locking member 40 is locked, allowing the charging bracket 4 to be stored within the first housing 1, reducing the size of the wireless charging device.

[0050] like Figure 4 , Figure 5 , Figure 6 and Figure 9 As shown, according to some embodiments of this application, the number of charging brackets 4 is one or more, wherein when the number of charging brackets 4 is multiple, the multiple charging brackets 4 are distributed at intervals along the circumference of the housing.

[0051] In this embodiment, the number of charging brackets 4 is one or more. When the number of charging brackets 4 is multiple, the multiple charging brackets 4 are distributed at intervals along the circumference of the housing, which can charge multiple devices 9 to be charged at the same time, greatly improving the user experience, increasing charging efficiency, and shortening the total charging time for multiple devices 9 to be charged.

[0052] Furthermore, multiple charging brackets 4 are evenly distributed along the circumference of the first housing 1.

[0053] In practical applications, there are three charging stands 4.

[0054] like Figure 10 , Figure 11 , Figure 12 and Figure 13As shown, according to some embodiments of this application, the charging device 3 includes: a first coil 30, which is wound in a first annular cavity along a first direction; and a second coil 32, which is located below the first coil 30 and is wound in a second annular cavity along a second direction, the first direction being opposite to the second direction, wherein the end of the first coil 30 is connected to the beginning of the second coil 32.

[0055] In this embodiment, the charging device 3 includes a first coil 30 and a second coil 32. The first coil 30 is wound around a first annular cavity to form an annular coil, and the second coil 32 is wound around a second annular cavity to form an annular 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 beginning of the second coil 32, so that the first coil 30 and the second coil 32 are connected in a "Z" shape, which can generate complementary magnetic fields, such as... Figure 13 As shown, the final magnetic field is emitted from the bottom of the first housing 1 and returns to the top of the second housing 2, forming a ring magnetic field. In this way, the device 9 to be charged placed in the magnetic field can be wirelessly charged effectively, and there are no strict requirements on the placement position or orientation.

[0056] In this configuration, the first coil 30 is wound along a first direction, and the second coil 32 is wound along a second direction. The first and second directions are opposite. Specifically, the plane containing the first coil 30 and the second coil 32 is perpendicular to a third direction. Within this plane, one direction is clockwise and the other is counterclockwise. For example, the first coil 30 is wound clockwise in the first annular cavity, and the second coil 32 is wound counterclockwise in the second annular cavity, or vice versa. Specifically, the direction of the magnetic field can be controlled by controlling the direction of the current.

[0057] Furthermore, the starting end of the first coil 30 is connected to the circuit board 7, and the ending end of the second coil 32 is connected to the circuit board 7.

[0058] According to some embodiments of this application, the charging device 3 includes: a first coil 30, which is spirally wound in a plane perpendicular to a third direction; and a second coil 32, which is disposed below the first coil 30 and is spirally wound in a plane perpendicular to a third direction. The winding direction of the first coil 30 is opposite to that of the second coil 32, wherein the end of the first coil 30 is connected to the beginning of the second coil 32.

[0059] 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 a third direction, making it coil-shaped. The second coil 32 is also spirally wound in a plane perpendicular to a third direction, making it coil-shaped. 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 beginning of the second coil 32, forming a "Z" shape. This can generate complementary magnetic fields, such as... Figure 13 As shown, the final magnetic field is emitted from the bottom of the first housing 1 and returns to the top of the second housing 2, forming a ring magnetic field. In this way, the device 9 to be charged placed in the magnetic field can be wirelessly charged effectively, and there are no strict requirements on the placement position or orientation.

[0060] like Figure 10 , Figure 11 and Figure 12 As shown, according to some embodiments of this application, the wireless charging device further includes: at least one driving unit 5, connected to the first housing 1 and the second housing 2, for driving the second housing 2 to move relative to the first housing 1.

[0061] In this embodiment, the wireless charging device further includes at least one drive unit 5, which is connected to 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 portion of the second housing 2 can move between being housed in the first housing 1 and extending out of the first housing 1. That is, the drive unit 5 can realize the extension and retraction of the second housing 2 and the first housing 1, thereby improving the automation level of the wireless charging device.

[0062] In practical applications, the number of drive units 5 is three.

[0063] In a specific application, the drive unit 5 can drive at least a portion of the second housing 2 to move between a first position where it is housed in the first housing 1 and a second position where it extends out of the first housing 1.

[0064] Furthermore, the second housing 2 has at least a first position, a second position, and a third position during its movement relative to the first housing 1.

[0065] When the second housing 2 is in the first position, it is in a retracted state, meaning at least a portion of the second housing 2 is housed within the first housing 1. When the second housing 2 is in the second position, it is in a first extended state, such that the overall height of the first housing 1 and the second housing 2 is a first height, where the first height is the maximum height of the second housing 2 and the first housing 1. When the second housing 2 is in the third position, it is in a second extended state, such that the overall height of the first housing 1 and the second housing 2 is a second height, where the second height is less than the first height. In other words, it can have at least two extended positions to accommodate coils of devices 9 to be charged at different heights.

[0066] Furthermore, between the first and second positions, the second housing 2 has multiple stop positions, so that the second housing 2 and the first housing 1 can extend to various sizes to accommodate charging devices 9 of various heights.

[0067] According to some embodiments of this application, at least one driving part 5 includes: a driving member 50 disposed in the first housing 1; a first transmission member disposed in the first housing 1 and connected to the driving member 50 in a transmission manner; and a second transmission member disposed in the second housing 2, wherein the first transmission member is connected to the second transmission member and is used to drive the second housing 2 to extend or retract relative to the first housing 1.

[0068] In this embodiment, at least one driving part 5 includes a driving member 50, a first transmission member and a second transmission member. The first transmission member is connected to the first housing 1 and the second transmission member is connected to 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 driving the second housing 2 so that the second housing 2 can extend and retract relative to the first housing 1.

[0069] In specific applications, the drive unit 50 includes a motor.

[0070] like Figure 10 , Figure 11 and Figure 12 As shown, according to some embodiments of this application, the first transmission member includes a worm gear 52, and the second transmission member includes a worm 54, which extends in a third direction, and the worm gear 52 meshes with the worm 54.

[0071] In this embodiment, the first transmission component includes a worm gear 52, and the second transmission component includes a worm 54. Through the transmission via the worm gear 52 and worm 54, the rotation of the drive component 50 is converted into the movement of the second housing 2 along a third direction, thus realizing the movement of the second housing 2 relative to the first housing 1. The meshing transmission between the worm gear 52 and worm 54 is relatively stable, ensuring the reliability of the movement of the second housing 2.

[0072] According to some embodiments of this application, the first transmission member includes a gear, and the second transmission member includes a rack extending in a third direction, wherein the gear meshes with the rack.

[0073] In this embodiment, the first transmission component includes a gear, and the second transmission component includes a rack. The second housing 2 moves in a third direction through the meshing of the gear and the rack.

[0074] According to some embodiments of this application, the first transmission member includes a cam, the second transmission member includes a transmission rod extending in a third direction, and the cam is located at the bottom of the transmission rod and contacts the transmission rod.

[0075] In this embodiment, the first transmission component includes a cam, and the second transmission component includes a transmission rod. The cam and the transmission rod cooperate to achieve the movement of the second housing 2 in a third direction through the rotational movement of the cam.

[0076] like Figure 10 , Figure 11 and Figure 12 As shown, according to some embodiments of this application, the wireless charging device further includes a heat sink 6 disposed within the second housing 2.

[0077] In this embodiment, the wireless charging device also includes a heat sink 6, which is disposed inside the housing to dissipate heat from the charging device 3 inside the housing, thereby improving the heat dissipation effect of the charging device 3 and ensuring the working performance of the charging device 3.

[0078] In specific applications, heat sink 6 includes a cooling fan.

[0079] like Figure 11 and Figure 12 As shown, according to some embodiments of this application, the wall surface of the housing is provided with at least one heat dissipation hole 20.

[0080] In this embodiment, at least one heat dissipation hole 20 is provided on the wall surface of the housing, which improves the heat dissipation effect of the charging device 3.

[0081] like Figure 10 , Figure 11 and Figure 12 As shown, according to some embodiments of this application, the wireless charging device further includes: a circuit board 7, disposed inside the housing, and connected to the charging device 3.

[0082] In this embodiment, the wireless charging device also includes a circuit board 7, which is disposed inside the housing and connected to the charging device 3 to control the charging device 3.

[0083] Furthermore, the wireless charging device also includes a cover 8, which covers the end of the second housing 2 away from the first housing 1, ensuring the integrity of the wireless charging device and the sealing of the second housing 2.

[0084] In practical applications, the cover 8 and the second housing 2 are fixed together with double-sided adhesive tape.

[0085] In practical applications, the second shell 2 and the first shell 1 are cylindrical.

[0086] According to some embodiments of this application, an electronic device is also proposed, including: a wireless charging device as proposed in any of the above technical solutions.

[0087] The electronic device provided in this application, because it includes the wireless charging device proposed in any of the above technical solutions, has all the beneficial effects of a wireless charging device.

[0088] It should be noted that the electronic device includes the device body and the 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 smartphone, tablet, e-reader, wearable device, etc., which will not be listed here.

[0089] According to one embodiment of this application, a retractable and portable multi-device wireless charging device is provided. It mainly includes a cover 8, a second housing 2, a first housing 1, a first coil 30, a second coil 32, a drive unit 5 composed of three sets of motors, three sets of worm gears 52, and worm 54, three sets of retractable charging brackets 4, two cooling fans, a fixing nut 56, a power switch 12, and a PCB board, etc. The second housing 2 and the first housing 1 can extend and retract vertically through the three sets of motors, worm gears 52, and worm 54. The three sets of charging brackets 4 can be pulled apart using a sliding rail structure, allowing simultaneous charging of multiple mobile phones and other smart devices. The functions of the main components are as follows:

[0090] like Figure 8 As shown, the first housing 1 carries three sets of charging brackets 4, PCB boards, three sets of worm gear 52 and worm 54 structures and three sets of motors. The first housing 1 is provided with a universal serial bus socket 14.

[0091] The second housing 2 carries the first coil 30, the second coil 32, and two sets of cooling fans, and is fixed to three sets of worm gears 54 by fixing nuts 56. It can move up and down relative to the first housing 1.

[0092] Cover 8: The second shell 2 is fixed together with double-sided adhesive to ensure the integrity and sealing of the wireless charging device.

[0093] Motors: Fixed on the first housing 1, providing power for the movement of the worm gear 52 and worm 54 structure, there are three in total.

[0094] The worm gear 52 and worm 54 mechanism consists of two parts: the worm gear 52 and the worm 54. The upper end of the worm 54 is fixedly connected to the second housing 2 by a nut. When the worm gear 52 and worm 54 mechanism is working, the motor provides power, the worm gear 52 rotates, and the worm 54 moves upward, driving the second housing 2 to move upward. The entire wireless charging device is pulled up and down, which can be adjusted according to the position of the mobile phone's coil to achieve the maximum wireless charging power.

[0095] Charging bracket 4: Three sets of charging brackets 4 are connected to the first housing 1 through a slide rail mechanism. When the knob is turned on, they can move relative to each other and are finally stopped by the limiting member 42. The charging bracket 4 is used to support smart products such as mobile phones that need to be charged.

[0096] First coil 30 and second coil 32: The first coil 30 and the second coil 32 are wound in opposite directions and connected by a Z-shape, which can generate complementary magnetic fields. Finally, the magnetic field is emitted from the tail of the cylinder and returns to the top of the cylinder to form a ring magnetic field. Electronic devices placed in the ring can be wirelessly charged effectively, and there are no strict requirements on the placement position or orientation.

[0097] Cooling fan: It blows air to dissipate heat from the entire wireless charging device, especially the heat generated by the first coil 30 and the second coil 32, quickly dispersing local high temperatures and improving the user experience.

[0098] Circuit board 7: Display function for stylus operation, which can display the scanned content on the display panel for easy recording, and can also be stored on a mobile phone via Bluetooth module.

[0099] like Figure 7 As shown, switch 12: a switch to activate the wireless charging device function.

[0100] like Figure 9 As shown, the overall structure of the wireless charging device can extend and retract vertically, and the charging stand 4 can be stored, greatly improving convenience and making it possible to carry it with you. It can charge multiple devices at the same time, which is convenient, fast and practical, and improves charging efficiency. Since there are no strict requirements for the placement of the phone when charging, watching dramas or videos in both portrait and landscape modes is not affected when charging.

[0101] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions 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 one or more embodiments or examples.

[0102] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A wireless charging device, characterized in that, The device includes a housing, a charging device, and a charging bracket. The charging device is disposed inside the housing. The side wall of the housing has an opening corresponding to the charging bracket. The charging bracket has a retracted state and an extended state. In the retracted state, the charging bracket is retracted into the housing. In the extended state, the charging bracket extends from the side wall of the housing along the opening. The housing includes a first housing and a second housing; The opening is provided on the side wall of the first housing; The charging device is disposed inside the second housing, which is movably connected to the first housing. At least a portion of the second housing is movable between being housed in the first housing and extending out of the top wall of the first housing.

2. The wireless charging device according to claim 1, characterized in that, One of the first housing and the charging bracket is provided with a sliding groove, and the other is provided with a slider. The slider is disposed in the sliding groove and can slide along the sliding groove.

3. The wireless charging device according to claim 2, characterized in that, The charging bracket is provided with a locking member, which is used to connect with the first housing to lock the charging bracket to the first housing, or to disconnect from the first housing to unlock the charging bracket from the first housing.

4. The wireless charging device according to claim 2, characterized in that, The charging bracket is provided with a limiting member, and the first housing is provided with a limiting block. The limiting member and the limiting block cooperate to prevent the charging bracket from detaching from the second housing.

5. The wireless charging device according to any one of claims 1 to 4, characterized in that, The number of charging brackets may be one or more. In the case where there are multiple charging brackets, the multiple charging brackets are distributed at circumferential intervals along the housing.

6. The wireless charging device according to any one of claims 1 to 4, characterized in that, The charging device includes: A first coil, the first coil being wound in a first annular cavity along a first direction; A second coil, located below the first coil, is wound around the second annular cavity in a second direction opposite to the first direction. The end of the first coil is connected to the beginning of the second coil.

7. The wireless charging device according to any one of claims 1 to 4, characterized in that, The charging device includes: The first coil is wound in a spiral shape in a plane perpendicular to the third direction; A second coil is positioned below the first coil. The second coil is wound in a spiral shape in a plane perpendicular to the third direction. The winding direction of the first coil is opposite to that of the second coil. The end of the first coil is connected to the beginning of the second coil.

8. The wireless charging device according to any one of claims 1 to 4, characterized in that, Also includes: At least one drive unit is connected to the first housing and the second housing for driving the second housing to move relative to the first housing.

9. The wireless charging device according to claim 8, characterized in that, The at least one driving unit includes: The driving component is disposed in the first housing; A first transmission component is disposed in the first housing and is connected to the driving component in a transmission manner; A second transmission component is disposed in the second housing. The first transmission component is connected to the second transmission component and is used to drive the second housing to extend or retract relative to the first housing.

10. The wireless charging device according to claim 9, characterized in that, The first transmission component includes a worm gear, and the second transmission component includes a worm extending in a third direction, wherein the worm gear meshes with the worm; or The first transmission component includes a gear, and the second transmission component includes a rack extending in a third direction, wherein the gear meshes with the rack; or The first transmission component includes a cam, and the second transmission component includes a transmission rod extending in a third direction. The cam is located at the bottom of the transmission rod and contacts the transmission rod.

11. The wireless charging device according to any one of claims 1 to 4, characterized in that, Also includes: A heat dissipation component is disposed within the housing; The wall of the housing is provided with at least one heat dissipation hole.

12. An electronic device, characterized in that, include: The wireless charging device as described in any one of claims 1 to 11.

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