Combined wireless charger

Abstract

The utility model discloses a combined wireless charger which comprises a plurality of bases, wireless charging mechanisms are arranged on the bases, the wireless charging mechanisms are of various specifications, a main contact and an auxiliary contact are arranged at the two ends of each base respectively, a power interface is arranged on the outer side of each base, a circuit board is arranged in each base, and the main contact and the auxiliary contact are connected with the circuit board. The wireless charging mechanism, the main contact, the auxiliary contact and the power interface are all electrically connected with the circuit board, a first magnetic piece and a second magnetic piece are arranged at the two ends of the base respectively, and the first magnetic piece and the second magnetic piece are close to the main contact and the auxiliary contact respectively. According to the combined wireless charger provided by the utility model, different types of wireless charging mechanisms are integrated on the plurality of bases, and the bases can be spliced to conduct electric energy, so that the expansibility is enhanced, and the number of required power adapters is reduced.

Description

Technical Field

[0001] This utility model relates to the field of wireless chargers, and more particularly to a combined wireless charger. Background Technology

[0002] Wireless chargers are the mainstream power supply solution for consumer electronics products (such as smartphones, smartwatches, and wireless earphones). Their design generally follows standardized protocols such as Qi and adopts a fixed output power (such as 5W, 10W, and 15W) and a single coil layout structure.

[0003] In the existing technology, in order to meet the charging needs of multiple electronic products (such as simultaneously powering mobile phones, watches, and headphones), users are forced to purchase chargers that are compatible with the corresponding electronic products (such as magnetic docks for smartwatches, headphone charging cases, etc.), which increases the number of cables on the desktop. Users face the trouble of tangled cables and messy desktops. In addition, the power adapters of multiple chargers are plugged into the power strip, which poses a potential electrical safety hazard. Utility Model Content

[0004] The purpose of this invention is to provide a modular wireless charger that integrates different types of wireless charging mechanisms into multiple bases. Each base can be connected to conduct electrical energy, enhancing expandability and reducing the number of power adapters required.

[0005] The technical solution adopted by the combined wireless charger disclosed in this utility model is:

[0006] The device includes several bases, each equipped with a wireless charging mechanism. These wireless charging mechanisms come in various specifications. Each base has a main contact and a secondary contact at both ends. A power interface is located on the outer side of the base. A circuit board is located inside the base. The wireless charging mechanism, main contact, secondary contact, and power interface are all electrically connected to the circuit board. Each base has a first magnetic component and a second magnetic component at both ends, which are located near the main contact and the secondary contact, respectively.

[0007] As a preferred embodiment, the base includes a top cover, a frame, and a bottom plate. The top cover and the bottom plate are respectively installed on the top and bottom of the frame. The main contacts, secondary contacts, and power interface are all embedded in the frame. The wireless charging mechanism is located between the top cover and the bottom plate.

[0008] As a preferred embodiment, several of the wireless charging mechanisms are available in three different specifications.

[0009] As a preferred embodiment, the wireless charging mechanism of the first specification includes a first charging coil, which is fixedly connected to a base plate and electrically connected to a circuit board. A plurality of third magnetic elements are surrounding the outer side of the first charging coil.

[0010] As a preferred embodiment, the wireless charging mechanism of the first specification further includes a first annular housing, the first annular housing extending through the top cover, the first charging coil placed inside the first annular housing, the third magnetic component fixedly connected to the inner wall of the first annular housing, and the top cover of the first annular housing provided with a first contact plate.

[0011] As a preferred embodiment, the wireless charging mechanism of the second specification includes a second charging coil, which is fixedly connected to the base plate and electrically connected to the circuit board. A first groove is provided on the top cover above the second charging coil.

[0012] As a preferred embodiment, the wireless charging mechanism of the third specification includes a second annular housing and a bracket. The two ends of the second annular housing respectively abut against an adjacent top cover and an adjacent bottom plate. The cavity in the center of the second annular housing passes through the adjacent top cover and the adjacent bottom plate. An installation groove is provided on the second annular housing. The bracket is rotatably connected to the installation groove. A third charging coil is provided inside the bracket. The third charging coil is electrically connected to a circuit board. The bracket is retracted into the cavity of the second annular housing.

[0013] As a preferred embodiment, the bracket has a slot, the third charging coil is placed in the slot, the slot is covered with a second contact plate, and the bracket has a hole communicating with the slot, the hole being close to the mounting slot.

[0014] As a preferred embodiment, a second groove is provided on the top cover located above the mounting slot.

[0015] The beneficial effects of the combined wireless charger disclosed in this utility model are:

[0016] Users can select the wireless charging mechanism compatible with their electronic products and magnetically connect multiple bases equipped with wireless charging mechanisms end to end. This allows the main contacts to make electrical contact with adjacent secondary contacts, while the first magnetic component forms a magnetic coupling with the adjacent second magnetic component. After the external power cord is connected to the power interface of any base, the current is conducted step by step to each base through the series circuit formed by each main contact and each secondary contact, providing synchronous power to each wireless charging mechanism. This enables simultaneous charging of multiple electronic products. The single external power cord input design effectively reduces the safety hazards caused by multiple power cords. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of an embodiment of a combined wireless charger according to this utility model.

[0018] Figure 2 This is a schematic diagram of the base installation of a combined wireless charger according to this utility model.

[0019] Figure 3 This is a cross-sectional view of the magnetic splicing of the base of a combined wireless charger according to this utility model.

[0020] Figure 4 This is a schematic diagram of the installation of the wireless charging mechanism in Embodiment 2 of the present invention, which is a combined wireless charger.

[0021] Figure 5 This is a schematic diagram of the installation of the wireless charging mechanism in Embodiment 3 of a combined wireless charger of this utility model.

[0022] Figure 6 This is a schematic diagram of the fourth embodiment of a combined wireless charger of this utility model.

[0023] Figure 7 This is a cross-sectional view of embodiment four of the combined wireless charger of this utility model. Detailed Implementation

[0024] The present invention will be further described and illustrated below with reference to specific embodiments and the accompanying drawings:

[0025] Example 1, please refer to Figures 1-3 .

[0026] The present invention discloses a combined wireless charger, comprising several bases 1, wherein in this embodiment, three bases 1 are preferably used;

[0027] Furthermore, the base 1 includes a top cover 11, a frame 12, and a bottom plate 13. The top cover 11 and the bottom plate 13 are respectively covered on the top and bottom of the frame 12. The bottom plate 13 is provided with multiple screws, which pass through the bottom plate 13 and are fixedly connected to the top cover 11.

[0028] Furthermore, the base 1 has a main contact 121 and a secondary contact 122 at its two ends, and a power interface 123 on the outside of the base 1. The main contact 121, the secondary contact 122 and the power interface 123 are all embedded in the frame 12, and the main contact 121, the secondary contact 122 and the power interface 123 penetrate the frame 12.

[0029] Furthermore, the base 1 has two first magnetic elements 124 and two second magnetic elements 125 at its two ends, and both the first magnetic elements 124 and the second magnetic elements 125 are embedded in the frame 12; the first magnetic elements 124 and the second magnetic elements 125 are respectively close to the main contact 121 and the auxiliary contact 122, the two first magnetic elements 124 are respectively located on both sides of the main contact 121, and the two second magnetic elements 125 are respectively located on both sides of the auxiliary contact 122;

[0030] Furthermore, in this embodiment, the S pole of the first magnetic component 124 is preferably oriented towards the frame, and the N pole of the second magnetic component 125 is oriented towards the frame. When the two bases are correctly magnetically spliced, the first magnetic component 124 of the first base and the second magnetic component 125 of the second base form a magnetic coupling between the N pole and the S pole. If misalignment occurs, the first magnetic component 124 of the first base and the first magnetic component 124 of the second base form a repulsion between the S poles, and the tactile feedback of the repulsion force indicates the assembly error, thus realizing the magnetic error prevention function.

[0031] The base 1 has a circuit board inside, which is fixedly connected to the base plate 13. The wireless charging mechanism 2, the main contact 121, the auxiliary contact 122 and the power interface 123 are all electrically connected to the circuit board. The base 1 has a wireless charging mechanism 2, which is placed between the top cover 11 and the base plate 13.

[0032] Furthermore, the wireless charging mechanisms 2 may have various specifications, and in this embodiment, the wireless charging mechanisms 2 are preferably of three specifications.

[0033] In use, users can select the wireless charging mechanism 2 that is compatible with the electronic product and magnetically connect the three bases 1 equipped with the wireless charging mechanism 2 end to end, so that the main contact 121 makes electrical contact with the adjacent secondary contact 122. At the same time, the first magnetic component 124 and the adjacent second magnetic component 125 form magnetic coupling, and the three bases 1 are magnetically connected in sequence. After connecting the external power cord to the power interface 123 of any base 1, the current is conducted to each base 1 through the series circuit formed by each main contact 121 and each secondary contact 122, so as to provide synchronous power to the three wireless charging mechanisms 2 and realize the simultaneous charging of three different electronic products.

[0034] Example 2, please refer to Figure 1 , Figure 2 and Figure 4 .

[0035] Based on the original embodiment 1, the first specification of wireless charging mechanism 2 includes a first charging coil 211 and a first annular shell 21; the first charging coil 211 is fixedly connected to the base plate 13, the first charging coil 211 is electrically connected to the circuit board, and a plurality of third magnetic elements 212 surround the outer side of the first charging coil 211.

[0036] Furthermore, the first annular shell 21 penetrates the top cover 11, the first charging coil 211 is placed inside the first annular shell, the third magnetic component 212 is fixedly connected to the inner wall of the first annular shell 21, and the top cover of the first annular shell 21 is provided with a first contact plate 213.

[0037] The first type of wireless charging mechanism 2 is used to charge mobile phones with built-in wireless charging function. The user places the wireless charging module of the mobile phone on the first contact plate 213, and the third magnetic component 212 attracts the wireless charging module of the mobile phone. While preventing the mobile phone from slipping, it also helps the wireless charging module of the mobile phone to align with the first charging coil 211.

[0038] Example 3, please refer to Figure 1 , Figure 2 and Figure 5 .

[0039] Based on the original embodiment 1, the second type of wireless charging mechanism 2 includes a second charging coil 221; the second charging coil 221 is fixedly connected to the base plate 13, the second charging coil 221 is electrically connected to the circuit board, and the top cover 11 located above the second charging coil 221 has a first groove 111.

[0040] The second type of wireless charging mechanism 2 is used to wirelessly charge electronic products placed in the first recess 111.

[0041] Example 4, please refer to Figure 1 , Figure 2 , Figure 6 and Figure 7 .

[0042] Based on the original embodiment 1, the third type of wireless charging mechanism 2 includes a second annular shell 23 and a bracket 231; the two ends of the second annular shell 23 respectively abut against the adjacent top cover 11 and the adjacent bottom plate 13, the cavity in the center of the second annular shell 23 passes through the adjacent top cover 11 and the adjacent bottom plate 13, and an installation groove is provided on the inner wall of the second annular shell 23, which communicates with the interior of the base 1.

[0043] Furthermore, one end of the bracket 231 is rotatably connected to the mounting groove. In this embodiment, the other end of the bracket 231 is preferably circular, and the diameter of the other end of the bracket 231 is smaller than the diameter of the second annular shell 23, so that the bracket 231 can be rotated and retracted into the second annular shell 23 within the mounting groove.

[0044] Furthermore, a slot is provided on the bracket 231, and a third charging coil 233 is provided inside the bracket 231. The third charging coil 233 is placed in the slot, and a second contact plate 234 is provided on the top cover of the slot. The second contact plate 234 constrains the third charging coil 233 in the slot. A hole 232 communicating with the slot is provided on the bracket 231. The slot is connected to the outside through the hole 232. The hole 232 is close to the mounting slot. The wires of the circuit board are electrically connected to the third charging coil 233 through the mounting slot and the hole 232. A second groove 112 is provided on the top cover 11 located above the mounting slot.

[0045] The third type of wireless charging mechanism 2 is used to wirelessly charge watches with built-in wireless charging function. The user places the wireless charging module of the watch on the second contact plate 234, and the outside of the watch is placed in the second groove 112, which serves to support the watch. When there is no need to charge the watch, it is pushed into the cavity of the second annular housing 23 for storage.

[0046] This utility model provides a combined wireless charger. Users can select the wireless charging mechanism suitable for electronic products. Multiple bases equipped with wireless charging mechanisms are magnetically connected end to end, achieving electrical contact between the main contacts and adjacent auxiliary contacts. At the same time, the first magnetic component and the adjacent second magnetic component form magnetic coupling. After the external power cord is connected to the power interface of any base, the current is conducted step by step to each base through the series circuit formed by each main contact and each auxiliary contact, providing synchronous power to each wireless charging mechanism. This enables simultaneous charging of multiple electronic products. The single external power cord input design effectively reduces the safety hazards caused by multi-line power supply.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A combination wireless charger, characterized by, It includes several bases, each base is equipped with a wireless charging mechanism, and the wireless charging mechanisms are of various specifications. Each base has a main contact and a secondary contact at both ends. A power interface is provided on the outside of the base. A circuit board is provided inside the base. The wireless charging mechanism, main contact, secondary contact and power interface are all electrically connected to the circuit board. The base has a first magnetic component and a second magnetic component at its two ends, respectively, and the first magnetic component and the second magnetic component are close to the main contact and the auxiliary contact, respectively.

2. The combination wireless charger of claim 1, wherein, The base includes a top cover, a frame, and a bottom plate. The top cover and bottom plate are respectively placed on the top and bottom of the frame. The main contacts, auxiliary contacts, and power interface are all embedded in the frame. The wireless charging mechanism is placed between the top cover and the bottom plate.

3. The combination wireless charger of claim 2, wherein, Several of the aforementioned wireless charging mechanisms are available in three different specifications.

4. The combination wireless charger of claim 3, wherein, The wireless charging mechanism of the first specification includes a first charging coil, which is fixedly connected to a base plate and electrically connected to a circuit board. A plurality of third magnetic elements are surrounding the outer side of the first charging coil.

5. The combination wireless charger of claim 4, wherein, The wireless charging mechanism of the first specification further includes a first annular housing, the first annular housing extending through a top cover, the first charging coil placed inside the first annular housing, the third magnetic component fixedly connected to the inner wall of the first annular housing, and the top cover of the first annular housing having a first contact plate.

6. The combination wireless charger of claim 3, wherein, The second specification of the wireless charging mechanism includes a second charging coil, which is fixedly connected to the base plate and electrically connected to the circuit board. A first groove is provided on the top cover above the second charging coil.

7. The combination wireless charger of claim 3, wherein, The third type of wireless charging mechanism includes a second annular housing and a bracket. The two ends of the second annular housing respectively abut against an adjacent top cover and an adjacent bottom plate. The cavity in the center of the second annular housing passes through the adjacent top cover and the adjacent bottom plate. An installation groove is provided on the second annular housing. The bracket is rotatably connected to the installation groove. A third charging coil is provided inside the bracket. The third charging coil is electrically connected to the circuit board. The bracket is retracted into the cavity of the second annular housing.

8. The modular wireless charger of claim 7, wherein, The bracket has a slot, the third charging coil is placed in the slot, the slot is covered with a second contact plate, and the bracket has a hole communicating with the slot, the hole being close to the mounting slot.

9. The modular wireless charger of claim 8, wherein, A second groove is provided on the top cover located above the mounting slot.

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