Three-in-one wireless charger
By designing a three-in-one wireless charger, the problem of cumbersome operation caused by the single function of the charger is solved, and multiple devices can be charged at the same time, which improves the user experience and reduces costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU BAIYU TECH CO LTD
- Filing Date
- 2025-05-13
- Publication Date
- 2026-05-22
AI Technical Summary
Most current chargers are single-function devices, which means that smartwatches, headphones, and other wearable devices need to be equipped with their own chargers, making the process cumbersome and costly, and affecting the user experience.
Design a three-in-one wireless charger that includes a charging module and a power supply module, which are connected by a snap-fit mechanism. It provides multiple charging structures and interfaces, supports simultaneous charging of mobile phones, watches and Bluetooth headsets, and achieves wireless charging using a circuit board and coil.
It enables simultaneous charging of multiple devices, has a simple structure and small size, improves user experience, simplifies operation process, and reduces equipment cost.
Smart Images

Figure CN224267055U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of charging equipment technology, and more specifically to a three-in-one wireless charger. Background Technology
[0002] A wireless charger is a device that charges compatible devices without the need for traditional power cables. It utilizes technologies such as electromagnetic induction, magnetic resonance, or radio waves to transfer electrical energy over a short distance between the charger and the device. When you place a wirelessly charging-enabled smartphone, smartwatch, or other electronic device on a charging pad, the built-in receiving coil interacts with the transmitting coil on the charging pad, thus initiating the charging process. Wireless charging not only simplifies the charging process and improves ease of use, but also helps reduce port wear caused by plugging and unplugging charging cables, reflecting the modern pursuit of simplicity and efficiency.
[0003] Many current chargers are single-function devices. However, with the development of smart technology, wearable devices such as smartwatches and headphones have wireless charging capabilities. Each device needs to be equipped with a charger, which is cumbersome, costly, and affects the user experience. Utility Model Content
[0004] The purpose of this utility model is to provide a three-in-one wireless charger, which aims to solve the problem that many current chargers are single-function. With the realization of intelligence, wearable devices such as smartwatches and headphones have wireless charging functions. Each charging device needs to be equipped with a charger, which is cumbersome, costly and affects the user experience.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A three-in-one wireless charger includes a charging module and a power supply module. The charging module includes a first charging structure, a second charging structure, and a third charging structure. The charging module and the power supply module are connected by a snap-fit connection. The power supply module supplies power to the charging module and includes a battery pack and a second housing. The battery pack is installed inside the second housing. A second circuit board is fixedly mounted on the second housing and is electrically connected to the battery pack. A wireless charging coil and an output metal contact are fixedly disposed on the second circuit board. An input metal contact is disposed on the charging module. The charging module and the power supply module are electrically connected through the output metal contact and the input metal contact.
[0007] Preferably, the first charging structure includes a first outer shell, a first circuit board fixedly disposed inside the first outer shell, a first coil mounted on the first circuit board, a first charging position disposed on the first outer shell, a first bottom cover disposed at the bottom of the first outer shell, a first rotating buckle disposed at the bottom of the first bottom cover, a top cover disposed on the second outer shell, and a second rotating buckle disposed on the top cover.
[0008] Preferably, the second charging structure includes a second charging position bottom cover, which is rotatably connected to the first housing via a rotating mounting head. A second coil is provided inside the second charging position bottom cover, and the wires of the second coil are electrically connected to the first circuit board through a wire hole. Heat dissipation holes are provided on the second charging position bottom cover, and a second top cover is installed on the second charging position bottom cover.
[0009] Preferably, the third charging structure includes a rotating top cover, which is rotatably connected to the first outer shell via a hinge. A third coil and a magnet ring are fixedly disposed inside the rotating top cover, and the third coil is fixed by a second coil fixing piece.
[0010] Preferably, in the third charging structure, the hinge includes a hinge rotation shaft and a hinge rotation piece. A hinge mounting position is provided on the rotating top cover, and a hinge fixing position is provided inside the first outer shell. The hinge rotation shaft is rotatably mounted on the hinge fixing position, the hinge rotation piece is sleeved on the hinge rotation shaft, and the hinge rotation piece is fixed in the hinge mounting position. The wire of the third coil is fixed on the hinge rotation piece and passes through the middle of the hinge mounting position. The third coil is electrically connected to the first circuit board.
[0011] Preferably, the power supply module is equipped with a Type-C input interface, a USB output interface, and a DC output.
[0012] Preferably, the power supply module is equipped with a power indicator light and a power switch.
[0013] Preferably, the charging module is provided with a nut interface and a Type-C output interface.
[0014] Preferably, the rotating top cover is provided with a silicone sheet.
[0015] As can be seen from the above technical solution, compared with the prior art, the present invention discloses a three-in-one wireless charger, which has the following beneficial effects:
[0016] This utility model provides a three-in-one wireless charger with a simple structure, providing multiple charging interfaces and multiple wireless charging stations, allowing multiple smart wearable devices to be charged simultaneously. Its small overall size greatly enhances the user experience. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0018] Figure 1 A first-view overall structural diagram of a three-in-one wireless charger provided for an embodiment of this utility model;
[0019] Figure 2 A second-view overall structural diagram of a three-in-one wireless charger provided for an embodiment of this utility model;
[0020] Figure 3 A first-view structural schematic diagram of the charging module provided in an embodiment of this utility model;
[0021] Figure 4 This is a second-view structural diagram of the charging module provided in an embodiment of the present utility model;
[0022] Figure 5 A schematic diagram of the closed-view structure of the charging module provided in an embodiment of this utility model;
[0023] Figure 6 A third-view structural schematic diagram of the charging module provided in an embodiment of this utility model;
[0024] Figure 7 This is a schematic diagram of the internal structure of the charging module provided in an embodiment of the present utility model;
[0025] Figure 8 This is a schematic diagram of the power supply module provided in an embodiment of the present utility model.
[0026] in:
[0027] 1. First outer shell; 2. Second outer shell; 3. Rotating top cover; 4. Silicone sheet for top cover; 5. First charging position; 6. Second top cover; 7. First input charging port; 8. First bottom cover; 9. First rotating buckle; 10. Input metal contact; 11. Type-C output interface; 12. Nut interface; 13. Hinge mounting position; 14. Third coil; 15. Magnet ring; 16. Second charging position bottom cover; 17. Heat dissipation hole; 18. Rotating mounting head; 19. Second coil; 20. Wire hole; 22. 24. Output metal contact; 25. Battery pack; 26. Second circuit board; 27. Wireless charging coil; 28. DC output; 29. First coil; 30. First circuit board; 31. First coil fixing piece; 32. Hinge fixing position; 33. Hinge rotation axis; 34. Hinge rotation piece; 50. Second coil fixing piece; 51. Top cover of the outer shell; 21. Second rotating buckle; 211. Type-C input interface; 212. USB output interface; 213. Power indicator light; 214. Power switch. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, this utility model provides a three-in-one wireless charger according to one embodiment. The three-in-one wireless charger includes a charging module and a power supply module. The charging module includes a first charging structure, a second charging structure, and a third charging structure. The charging module and the power supply module are connected by a snap-fit. The power supply module is used to supply power to the charging module. The power supply module includes a battery pack 24 and a second housing 2. The battery pack 24 is installed inside the second housing 2. A second circuit board 25 is fixedly installed on the second housing 2. The second circuit board 25 is electrically connected to the battery pack 24. A wireless charging coil 26 and an output metal contact 22 are fixedly disposed on the second circuit board 25. An input metal contact 10 is disposed on the charging module. The charging module and the power supply module are electrically connected through the output metal contact 22 and the input metal contact 10.
[0030] In this embodiment, the battery pack 24 is used to store electrical energy. The charging module and the power supply module are connected by contact points, so they can be disassembled at any time. Using the first charging structure, the second charging structure and the third charging structure set on the charging module, the mobile phone, watch and Bluetooth headset can be charged at the same time, which greatly improves convenience. The first charging structure is used to charge the Bluetooth headset and the second charging structure is used to charge the watch.
[0031] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, in a preferred embodiment of the present invention, the first charging structure includes a first outer shell 1, a first circuit board 29 fixedly disposed inside the first outer shell 1, a first coil 28 mounted on the first circuit board 29, a first charging position 5 disposed on the first outer shell 1, a first bottom cover 8 disposed at the bottom of the first outer shell 1, a first rotating buckle 9 disposed at the bottom of the first bottom cover 8, a top cover 50 disposed on the second outer shell 2, and a second rotating buckle 51 disposed on the top cover 50.
[0032] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, in a preferred embodiment of the present invention, the second charging structure includes a second charging position bottom cover 16, which is rotatably connected to the first outer shell 1 via a rotating mounting head 18. A second coil 19 is provided inside the second charging position bottom cover 16, and the wires of the second coil 19 are electrically connected to the first circuit board 29 through a wire hole 20. A heat dissipation hole 17 is provided on the second charging position bottom cover 16, and a second top cover 6 is installed on the second charging position bottom cover 16.
[0033] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, in a preferred embodiment of the present invention, the third charging structure includes a rotating top cover 3, which is rotatably connected to the first outer shell 1 via a hinge. A third coil 14 and a magnet ring 15 are fixedly disposed inside the rotating top cover 3, and the third coil 14 is fixed by a second coil fixing piece 34.
[0034] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown in the preferred embodiment of this utility model, in the third charging structure, the hinge includes a hinge rotation shaft 32 and a hinge rotation piece 33. A hinge mounting position 13 is provided on the rotating upper cover 3, and a hinge fixing position 31 is provided inside the first outer shell 1. The hinge rotation shaft 32 is rotatably mounted on the hinge fixing position 31, and the hinge rotation piece 33 is sleeved on the hinge rotation shaft 32. The hinge rotation piece 33 is fixed in the hinge mounting position 13, and the wire of the third coil 14 is fixed on the hinge rotation piece 33 and passes through the middle of the hinge mounting position 13. The third coil 14 is electrically connected to the first circuit board 29.
[0035] In this embodiment, the first coil 28 is fixed by the first coil fixing piece 30. This utility model consists of a power supply module and a charging module. The charging module's outer casing 1 houses a first circuit board 29, which has a first input charging port 7 and a Type-C output interface 11. A third coil 14, the first coil 28, and a second coil 19 are connected via wires. The first casing 1 houses a hinge fixing position 31, a hinge rotation shaft 32, and a hinge rotation piece 33. The hinge rotation piece 33 is screwed onto the hinge mounting position 13 of the rotating cover 3, allowing the rotating cover 3 to rotate to adjust its angle. The third coil 14 is fixed inside the rotating cover 3. 4 and magnet ring 15, the third coil 14 has a second coil fixing piece 34, the other side of the rotating top cover 3 is fixed with a top cover silicone sheet 4, the second charging position bottom cover 16 is inserted into the first housing 1 mounting hole through the rotating mounting head 18 with a mushroom head design, so as to achieve upper and lower fixation and rotation at the same time, the second charging position bottom cover 16 is fixed with a second coil 19 inside, the bottom is provided with heat dissipation holes 17, the top is fixed with a second top cover 6, the top outer side of the first housing 1 has a first charging position 5, the first coil 28 is fixed with the inner side of the first charging position 5, the inside of the first housing 1 is fixed with a wire hole 20, the bottom of the first housing 1 is fixed with a first bottom cover 8, the first bottom cover 8 is provided with a first rotating buckle 9 and an input metal contact 10.
[0036] The power supply module consists of a second outer shell 2 and a top cover 50. Inside, there is a 12V battery pack 24. A second circuit board 25 is provided on the top. The second circuit board 25 is equipped with a DC output 27, a wireless charging coil 26, a power switch 214, a power indicator light 213, a USB output interface 212, and a Type-C input interface 211. The top cover 50 is equipped with a second rotating buckle 51 and output metal contacts 22.
[0037] In terms of specific usage, after rotating the top cover 50 and the first bottom cover 8 of the power supply module shell together through the first rotating buckle 9 and the second rotating buckle 51, the output metal contact 22 and the input metal contact 10 are electrically connected. After pressing the power switch 214, the power indicator light 213 lights up. At this time, you can place a mobile phone that supports wireless charging on the silicone sheet 4 on the top cover to wirelessly charge the phone, place a Bluetooth headset that supports wireless charging on the first charging position 5 to wirelessly charge it, place a watch that supports wireless charging on the second top cover 6 to wirelessly charge it, and connect a universal Type-C charging cable to the Type-C output interface 11 to wired charge the mobile phone. In this way, you can charge 4 digital products at the same time.
[0038] In addition to supplying power to the output section, the power supply module also has multiple functions. For example, the USB output interface 212 can power digital products, the wireless charging coil 26 can charge devices that support wireless charging, and the DC output 27 can power some 12V products through an adapter cable. The Type-C input interface 211 is used to charge the battery pack inside the power supply.
[0039] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.
[0040] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A three-in-one wireless charger, characterized in that, The three-in-one wireless charger includes a charging module and a power supply module. The charging module includes a first charging structure, a second charging structure and a third charging structure. The charging module and the power supply module are connected by a snap-fit. The power supply module is used to supply power to the charging module. The power supply module includes a battery pack (24) and a second shell (2). The battery pack (24) is installed inside the second shell (2). A second circuit board (25) is fixedly installed on the second shell (2). The second circuit board (25) is electrically connected to the battery pack (24). A wireless charging coil (26) and an output metal contact (22) are fixedly provided on the second circuit board (25). An input metal contact (10) is provided on the charging module. The charging module and the power supply module are electrically connected through the output metal contact (22) and the input metal contact (10).
2. The three-in-one wireless charger according to claim 1, characterized in that, The first charging structure includes a first outer shell (1), a first circuit board (29) is fixedly disposed inside the first outer shell (1), a first coil (28) is installed on the first circuit board (29), a first charging position (5) is provided on the first outer shell (1), a first bottom cover (8) is provided at the bottom of the first outer shell (1), a first rotating buckle (9) is provided at the bottom of the first bottom cover (8), a top cover (50) is provided on the second outer shell (2), and a second rotating buckle (51) is provided on the top cover (50).
3. The three-in-one wireless charger according to claim 1, characterized in that, The second charging structure includes a second charging position bottom cover (16), which is rotatably connected to the first outer shell (1) via a rotating mounting head (18). A second coil (19) is provided inside the second charging position bottom cover (16), and the wires of the second coil (19) are electrically connected to the first circuit board (29) through a wire hole (20). A heat dissipation hole (17) is provided on the second charging position bottom cover (16), and a second top cover (6) is installed on the second charging position bottom cover (16).
4. The three-in-one wireless charger according to claim 1, characterized in that, The third charging structure includes a rotating top cover (3), which is rotatably connected to the first outer shell (1) via a hinge. A third coil (14) and a magnet ring (15) are fixedly installed inside the rotating top cover (3). The third coil (14) is fixed by a second coil fixing piece (34).
5. The three-in-one wireless charger according to claim 4, characterized in that, In the third charging structure, the hinge includes a hinge rotation shaft (32) and a hinge rotation piece (33). A hinge mounting position (13) is provided on the rotating cover (3). A hinge fixing position (31) is provided inside the first outer shell (1). The hinge rotation shaft (32) is rotatably mounted on the hinge fixing position (31). The hinge rotation piece (33) is sleeved on the hinge rotation shaft (32) and fixed on the hinge mounting position (13). The wire of the third coil (14) is fixed on the hinge rotation piece (33) and passes through the middle of the hinge mounting position (13). The third coil (14) is electrically connected to the first circuit board (29).
6. The three-in-one wireless charger according to claim 1, characterized in that, The power supply module is equipped with a Type-C input interface (211), a USB output interface (212), and a DC output (27).
7. The three-in-one wireless charger according to claim 1, characterized in that, The power supply module is equipped with a power indicator light (213) and a power switch (214).
8. The three-in-one wireless charger according to claim 1, characterized in that, The charging module is provided with a nut interface (12) and a Type-C output interface (11).
9. The three-in-one wireless charger according to claim 4, characterized in that, The rotating top cover (3) is provided with a silicone sheet (4).