Wireless charger

Abstract

The utility model discloses a wireless charger, which comprises a shell (10), an extension channel (11) and a charging assembly (20), the extension channel (11) is arranged on the side surface of the shell (10), the charging assembly (20) is arranged in the shell (10), the charging assembly (20) wirelessly charges electronic equipment, and the charging assembly (20) extends out of the extension channel (11) through a power wire (30) to be electrically connected with an external power supply. The extension channel (11) extends a certain distance in the direction away from the charging assembly (20), and the structure of the extension channel (11) is set according to the shape of the charging wire and the requirements of a user so as to accommodate and guide the power wire (30) and restrain the position of the power wire (30). According to the technical scheme of the utility model, the power supply wire of the wireless charger can be restrained and guided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of accessories, especially a wireless charger. BACKGROUND

[0002] With the wide application of wireless charging technology, wireless chargers have become indispensable charging equipment in daily life. Wireless chargers are equipped with charging coils based on the principle of electromagnetic induction. They can supply power to electronic devices without plugging them in. The charging coils inside the wireless charger are usually connected to the charging head (adapter) or power supply through a charging cord.

[0003] The charging cord of the existing wireless charger often has no fixed position, is easy to entangle and scatter, is inconvenient to use, is not aesthetically pleasing, and affects user experience. Some existing technologies solve this problem by designing independent storage, but these devices usually require additional accessories, increasing cost and volume, making them complex to use or occupying more space, and not fully utilizing the space in the shell, resulting in waste of resources.

[0004] Furthermore, the existing charging cord interface is usually exposed to provide a charging experience for mobile devices. As shown in Figure 1 , it uses a single opening or simple interface design to connect to the power supply. This design not only causes the charging cord to become loose or damaged during use, but also exposes the interface to dust, moisture, and other external environments, which can cause the interface to degrade or even be damaged over time, affecting the normal charging function of the device. SUMMARY

[0005] The main purpose of the utility model is to provide a wireless charger to solve the above-mentioned problems of existing shell power cord scattering, inconvenience of use, and insufficient utilization of the shell. The wireless charger comprises:

[0006] a shell;

[0007] an extension channel provided on the side of the shell;

[0008] a charging assembly arranged in the shell, the charging assembly wirelessly charges electronic devices, and the charging assembly is electrically connected to an external power supply through a charging cord extending out of the extension channel.

[0009] Optionally, the extension channel extends a first length away from the shell.

[0010] Optionally, the shell and the extension channel are of an integrated structure.

[0011] Optionally, the shell comprises a bottom shell and a face shell, the bottom shell has an opening on one side, the face shell is connected with the bottom shell at the opening and forms a receiving cavity, and the extension channel is arranged on the sidewall of the bottom shell and communicates with the receiving cavity.

[0012] Optionally, the bottom shell is provided with a ventilation opening arranged on the sidewall or bottom wall of the bottom shell.

[0013] Optionally, the wireless charger further comprises a power cord, one end of the power cord is electrically connected with the charging assembly in the shell, and the other end of the power cord is electrically connected with the external power source through the extension channel and out of the shell.

[0014] Optionally, the wireless charger further comprises a support plate arranged in the receiving cavity, the support plate is provided with an interface mounting position, and the power cord is arranged in the interface mounting position and is structurally adapted to the interface mounting position.

[0015] Optionally, the charging assembly further comprises a coil, a magnet and a circuit board, the circuit board is arranged on one side of the support plate and closely adheres to the support plate, the coil and the magnet are arranged on the other side of the support plate, a partition plate is arranged on the support plate, the partition plate separates the coil and the magnet, and the magnet is outside the coil.

[0016] Optionally, the wireless charger further comprises a heat dissipation fan blade, the heat dissipation fan blade is arranged on the support plate and located in the central region of the circuit board.

[0017] Optionally, the central region of the support plate is provided with a sunken groove, the heat dissipation fan blade is arranged in the sunken groove 43, the circuit board is hollow, the circuit board is laid on the outer periphery of the sunken groove, and the heat dissipation fan blade is opposite to the inner sidewall of the circuit board.

[0018] The utility model wireless charger is by casing and charging component, wherein charging component sets up in casing inside, electronic equipment is placed on casing, charging component realizes wireless charging function to electronic equipment, casing is provided with extension channel, the structure of extension channel is set up according to the shape of charging wire and the demand of user, extension channel sets up in the side of casing and extends a distance in the direction of far from charging component, provides the passageway of charging wire, and charging wire is stretched out from extension channel and is connected with external power supply, extension channel still holds and guides charging wire, restricts charging wire position, and charging wire can be fixed in suitable position and is wired according to the direction of extension channel, avoids the phenomenon of winding in the use process, and the user is easier to find charging wire and makes it connect on external power supply, improves the life of wire material and the convenience of use, improves user experience, compared with traditional charging interface, still avoids charging interface exposure and contacts dust and water, makes wireless charger more durable and safe. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to the structure shown in these drawings.

[0020] Figure 1 It is the schematic diagram of existing charging device interface;

[0021] Figure 2 It is the sectional schematic diagram of the utility model wireless charger 100;

[0022] Figure 3 It is the explosion drawing of partial structure of the utility model wireless charger 100;

[0023] Figure 4 It is the structural schematic diagram of support plate 40 in the utility model wireless charger 100;

[0024] Figure 5 It is the explosion drawing of the utility model wireless charger 100;

[0025] Figure 6 It is the structural schematic diagram of bottom shell 12 in the utility model wireless charger 100;

[0026] Figure 7 It is the structural schematic diagram of the utility model wireless charger 100 in one visual angle.

[0027] EXPLANATION OF DRAWINGS:

[0028]

[0029] The purposes, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0032] In addition, if the embodiments of the utility model involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the utility model.

[0033] The wireless charger can generate a magnetic field through the internally arranged sending end coil, and the electronic device installed with the receiving end coil can generate an electric current by sensing the change of the magnetic field, so that the electronic device can be charged without using a charging wire, which is very convenient. The existing wireless charger, as shown in the drawings, still needs to be connected to a power supply to supply power, and the disorder or untidiness of the power cord during use can affect the user's experience and cause damage to the wireless charger. Therefore, how to store and use the power cord of the wireless charger still needs to be improved. Figure 1

[0034] The utility model provides a kind of wireless charger 100, reference Figure 2 ​The wireless charger 100 comprises a shell 10 and a charging assembly 20, wherein the charging assembly 20 is arranged inside the shell 10 for wireless charging function of the electronic device, the shell 10 is provided with an extension channel 11, the structure of the extension channel 11 is arranged according to the shape of the power cord 30 and the demand of the user, for example, the extension channel 11 is arranged in a cylindrical shape, a square shape, etc., the extension channel 11 is arranged on the side of the shell 10 and extends in a direction away from the charging assembly 20 by a first length, the first length can be arranged according to actual needs to provide a channel for the power cord 30 to pass through, the power cord 30 extends out of the extension channel 11 and is connected to an external power source, the extension channel 11 also accommodates and guides the power cord 30, and the position of the power cord 30 is constrained, so that the power cord 30 can be fixed at a suitable position and routed in the direction of the extension channel 11, avoiding the phenomenon of entanglement during use, and the user can more easily find the power cord 30 to connect it to the external power source, improving the user experience, compared with the traditional charging interface, the charging interface is also avoided from being exposed to touch dust and water, improving the service life and convenience of use of the wireless charger 100, making the wireless charger 100 more durable and safe.

[0035] wherein the reference Figure 3 The shell 10 comprises a bottom shell 12 and a face shell 13, the face shell 13 is arranged in a circular shape, the user places the electronic device on the face shell 13 for charging, the bottom shell 12 is arranged in a circular shape, and the periphery is curved to form a hollow structure, the bottom shell 12 is open on one side, and the bottom shell 12 is used to be placed on a plane, the bottom shell 12 and the face shell 13 are connected to each other at the open side and form an accommodation cavity therebetween, the charging assembly 20 is arranged in the accommodation cavity, and the extension channel 11 is arranged on the side of the bottom shell 12 and is integrally arranged with the bottom shell 12, the extension channel 11 is in communication with the accommodation cavity, and the power cord 30 is connected to the charging assembly 20.

[0036] Further, the reference Figure 4 and Figure 5The wireless charger 100 further comprises a support plate 40, which is arranged in the middle of the accommodating cavity and divides the accommodating cavity into two layers. The charging assembly 20 comprises a coil 21, a magnet 22 and a circuit board 23. The coil 21 and the magnet 22 are arranged on one side of the support plate 40 and located in one of the two layers in the accommodating cavity and between the support plate 40 and the face shell 13. One side of the support plate 40 facing the bottom shell 12 is provided with a partition plate 42, which separates the coil 21 and the magnet 22. The coil 21 is arranged in the partition plate 42, and the magnet 22 is arranged on the outer periphery of the coil 21. The electronic device is magnetically attracted to align with the coil 21, and then the electronic device is charged. The circuit board 23 is arranged on the other side of the support plate 40 and located in the other layer in the accommodating cavity, closely attached to the support plate 40 and between the bottom shell 12 and the support plate 40. This structure fully utilizes the space between the support plate 40 and the bottom shell 12 and the face shell 13, improves the utilization rate of the accommodating cavity, and can make the overall wireless charger 100 thinner.

[0037] Based on the foregoing embodiment, the wireless charger 100 further comprises a power line 30 for connecting an external power source and the charging assembly 20. The support plate 40 is provided with an interface mounting position 41 corresponding to the extended channel 11 and structurally matched with the power line 30. One side of the interface mounting position 41 facing the face shell 13 is protruded. The power line 30 is arranged in the interface mounting position 41 and electrically connected to the circuit board 23, and extends out of the extended channel 11 to be connected to the external power source to drive the coil 21 to generate an electromagnetic field to charge the electronic device.

[0038] Preferably, the circuit board 23 is circular in structure and hollow inside. The central area of the support plate 40 is provided with a sunken groove 43, and the circuit board 23 is laid on the outer periphery of the sunken groove 43. Electronic components on the circuit board 23 are distributed around. The heat dissipation fan blades 50 are arranged at the sunken groove 43 and connected to the support plate 40, so that the heat dissipation fan blades 50 are opposite to the inner side wall of the circuit board 23. This structure fully utilizes the structure of the support plate 40, so that the heat dissipation fan blades 50 can be accommodated in the accommodating cavity while the overall structure is very thin. When the heat dissipation fan blades 50 rotate, the air in the accommodating cavity flows, which can cool all ranges of the circuit board 23. Moreover, the heat dissipation fan blades 50 are not provided with a shell and are directly mounted on the support plate 40, which more reasonably applies the space of the accommodating cavity. Figure 6 The side wall and the bottom of the bottom shell 12 are provided with air vents 121, and the air vents 121 at the bottom of the bottom shell 12 are arranged at the center of the bottom shell 12 and correspond to the heat dissipation fan blades 50 to better cooperate with the heat dissipation of the heat dissipation fan blades 50. The bottom of the bottom shell 12 is recessed from the periphery to the air vents 121 at the center, so that when the bottom shell 12 is placed on a plane, there is space between the bottom shell 12 and the plane to accommodate the better flow and discharge of the air in the accommodating cavity and to dissipate heat for the circuit board 23.

[0039] Figure 7For wireless charger 100 is placed in the plane, the face shell towards the user state, through the shell 10 and the support plate 40, the circuit board 23, coil 21, magnet 22 and heat dissipation fan blade 50 are packaged in the cavity, the circuit board 23, coil 21, magnet 22 and support plate 40 are closely connected, support plate 40 and shell 10 can be fastened by screw and the like, and, heat dissipation fan blade 50 and circuit board are on one side of support plate 40, heat dissipation fan blade 50 is at sink 43, coil 21, magnet 22 are on the other side of support plate 40, the overall structure is compact, the bottom shell 12 is provided with a decorative part, the shell 10 not only provides support for the overall structure, but also makes the whole device beautiful, the extension channel 11 provided in the bottom shell 12 is used to store and protect the power cord 30, the power cord 30 extends out of the extension channel 11, so that the power cord 30 is routed along the direction of the extension channel 11 and is fixed at the bottom of the wireless charger 100, which is easy to take when in use, after the power cord 30 is connected to the external power supply, the circuit of the circuit board 23 operates to drive the coil 21 to generate an electromagnetic field, the electronic device is placed on the face shell 13, and the magnet 22 ensures that the wireless charger 100 is aligned with the electronic device, so that wireless charging is realized, the fan assembly installed on the support plate 40 cools the circuit board, promotes the air in the cavity to flow, prevents the temperature from being too high during charging, and provides a good user experience.

[0040] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. A wireless charger (100), characterized in that, The wireless charger (100) includes: Shell (10); An extension channel (11) is provided on the side of the housing (10) for accommodating power cables (30). A charging component (20) is disposed within the housing (10). The charging component is used to wirelessly charge an external electronic device and is electrically connected to an external power source via a power cable (30) housed in the extension channel (11).

2. The wireless charger (100) as described in claim 1, characterized in that, The extended channel (11) extends a first length in a direction away from the housing (10).

3. The wireless charger (100) as described in claim 1, characterized in that, The housing (10) and the extended channel (11) are an integral structure.

4. The wireless charger (100) as described in claim 1, characterized in that, The housing (10) includes a bottom shell (12) and a front shell (13). The bottom shell (12) has an opening on one side. The front shell (13) and the bottom shell (12) are connected to each other at the opening to form a receiving cavity. The extension channel (11) is provided on the side wall of the bottom shell (12) and communicates with the receiving cavity.

5. The wireless charger (100) as described in claim 4, characterized in that, The wireless charger (100) also includes a power cable (30), one end of which is electrically connected to the charging assembly (20) inside the housing (10), and the other end of which extends out of the housing (10) through the extension channel (11) and is electrically connected to the external power source.

6. The wireless charger (100) as described in claim 5, characterized in that, The wireless charger (100) also includes a support plate (40), which is disposed in the receiving cavity. The support plate (40) is provided with an interface mounting position (41), and the power cable (30) is disposed in the interface mounting position (41) and is structurally adapted to the interface mounting position (41).

7. The wireless charger (100) as described in claim 6, characterized in that, The charging assembly (20) also includes a coil (21), a magnet (22) and a circuit board (23). The circuit board (23) is disposed on one side of the support plate (40) and is in close contact with the support plate (40). The coil (21) and the magnet (22) are disposed on the other side of the support plate (40). A partition (42) is provided on the side of the support plate (40) where the coil (21) and the magnet (22) are located. The partition (42) separates the coil (21) and the magnet (22). The magnet (22) is located outside the coil (21).

8. The wireless charger (100) as described in claim 7, characterized in that, The wireless charger (100) also includes a heat dissipation fan blade (50), which is disposed on the support plate (40) and located in the central area of ​​the circuit board (23), and the electronic components in the circuit board (23) are distributed on the outer periphery of the heat dissipation fan blade (50).

9. The wireless charger (100) as described in claim 8, characterized in that, The bottom shell (12) is provided with a vent (121), the side wall of the bottom shell (12) has a first height, and the vent (121) is located on the side wall or bottom wall of the bottom shell (12); the heat dissipation fan blade (50) drives the gas inside the shell (10) to flow out from the vent (121).

10. The wireless charger (100) as described in claim 8, characterized in that, The support plate (40) has a groove (43) in the center area, the heat dissipation fan blade (50) is located in the groove (43), the circuit board (23) is hollow, the circuit board (23) is laid on the outer periphery of the groove (43), so that the heat dissipation fan blade (50) is opposite to the inner wall of the circuit board (23).

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