Combined vehicle-mounted wireless charger

Abstract

The utility model relates to a combined vehicle-mounted wireless charger, comprising a charging coil, the charging coil comprises a coil housing, a support, a first coil module and a second coil module, the support is located in the coil housing, and the support divides the interior of the coil housing into a first accommodating cavity and a second accommodating cavity; the first coil module is located in the first containing cavity, the second coil module is located in the second containing cavity, and the first coil module and the second coil module face opposite directions; and the charging base is provided with a first connecting part, the charging coil is provided with a second connecting part, and the first connecting part is detachably and electrically connected with the second connecting part. The scheme of the utility model can be compatible with wireless charging of various types of intelligent electronic equipment, and the equipment is small in size and suitable for being installed on an automobile for use.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless charging, in particular to a combined vehicle-mounted wireless charger. Background Art

[0002] With the development of smart electronic devices, most of them have wireless charging functions, such as smart phones and smart watches. As an application scenario suitable for wireless charging of smart electronic devices, car wireless chargers have developed rapidly due to their convenience and safety. Currently, most commonly used smart electronic devices use wireless charging transmitter coil technology, which can be mainly divided into: wireless charging for Android phones, wireless charging for Apple phones, and wireless charging for smart watches. Due to the differences in their systems and designs, the same type of wireless charging devices cannot be used. In the prior art, multiple independent coils are integrated on the wireless charging device to make the wireless charging device compatible with multiple types of smart electronic devices. However, the wireless charging device is large in size, and it is often not suitable to install such wireless charging devices in the limited space of the car. Utility Model Content

[0003] In view of the above-mentioned problems, the purpose of the utility model is to provide a combined vehicle-mounted wireless charger that is compatible with wireless charging of various types of smart electronic devices, and the device is small in size and suitable for installation in a car.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] A combined vehicle-mounted wireless charger comprises: a charging coil, the charging coil comprising a coil housing, a bracket, a first coil module and a second coil module, the bracket being located inside the coil housing, the bracket dividing the inside of the coil housing into a first cavity and a second cavity; the first coil module being located inside the first cavity, the second coil module being located inside the second cavity, the first coil module and the second coil module facing oppositely; a charging base, the charging base being provided with a first connecting portion, the charging coil being provided with a second connecting portion, the first connecting portion and the second connecting portion being detachably electrically connected.

[0006] The charging coil of the wireless charger is designed to have different types of coil modules installed on the front and back sides. For example, one side is installed with a coil module that supports wireless charging of Apple mobile phones, and the other side is installed with a coil module that supports wireless charging of Android phones. According to usage requirements, the front and back sides can be selected for charging, so that one wireless charger is compatible with wireless charging of two electronic devices; the charging coil and the charging base are designed to be combinable and detachable. By replacing different charging coils, such as smartphone charging coils, smart watch charging coils, wireless headset charging coils, etc., the wireless charger can be compatible with charging of multiple electronic devices; through the above design, the wireless charger is small in size and has good compatibility, suitable for installation in cars, and brings a good user experience to users.

[0007] Furthermore, the charging base is provided with a coil identification module, which can identify the types of the first coil module and the second coil module.

[0008] A coil identification module is installed in the charging base to automatically identify the type of coil module. Through system control, the corresponding line module is used to connect with the charging coil to charge the device.

[0009] Furthermore, the electrical connection between the first connection portion and the second connection portion is a wiring harness connection or a contact connection.

[0010] The charging coil and the charging base are designed with a simple, quickly detachable connection method, such as wiring harness plug-in and contact connection, which makes it easy for users to replace different charging coils and brings a good user experience.

[0011] Furthermore, the coil housing includes a first housing and a second housing, the first housing is provided with a plurality of buckles, the second housing is provided with a plurality of slots corresponding to the buckles one by one, and the first housing and the second housing are connected by the buckles and the slots.

[0012] The first shell and the second shell are connected by a buckle and a slot, which is not only firm but also convenient for disassembly and assembly.

[0013] Furthermore, the buckle is arranged on a side of the first shell, and the slot is arranged on a side of the second shell.

[0014] The buckle and the slot are respectively located on the side of the first shell and the side of the second shell, and are symmetrically distributed along the center line of the top surface of the first shell and the second shell. The overall force of the snap connection between the first shell and the second shell is more uniform and the connection is more stable.

[0015] Furthermore, the charging base includes a base shell, a control circuit board, and a semiconductor refrigeration sheet. The control circuit board and the semiconductor refrigeration sheet are arranged inside the base shell, and the semiconductor refrigeration sheet abuts against the top of the base shell.

[0016] The control circuit board is installed inside the charging base housing and connected to the charging coil to realize the function of the wireless charger. Heat is generated during the charging process, which is cooled by the semiconductor cooling sheet to ensure the stability of the charging process.

[0017] Furthermore, the charging base also includes a cooling fan module, which is installed at the bottom of the base shell and is used for cooling the charging coil.

[0018] By using the cooling fan module, the heat on the hot surface of the semiconductor refrigeration plate is taken away, and the semiconductor refrigeration plate is cooled to ensure the cooling effect of the semiconductor refrigeration plate; the cooling effect of the semiconductor refrigeration plate is used to dissipate the heat of the charging coil.

[0019] Furthermore, the base shell is provided with a first air inlet and a second air inlet, the heat dissipation fan module is provided with an air outlet, and the first air inlet and the second air inlet are connected to the air outlet.

[0020] A first air inlet and a second air inlet are designed on the base shell, which are connected to the air outlet of the cooling fan module through the cavity inside the base shell to form an air duct. The cooling fan is started to provide a wind source, and the flowing air takes away the heat generated during the charging process through the air duct, thereby improving the heat dissipation effect and ensuring the stability of the charging process.

[0021] Further, the first coil module abuts against the top of the first shell, and the second coil module abuts against the top of the second shell.

[0022] The coil module is in contact with the coil shell, and the heat generated during charging is conducted away through the shell to improve the heat dissipation effect.

[0023] Furthermore, a heat conducting sheet is provided on the top of the first shell and the second shell, and when the charging coil is placed on the charging base, the heat conducting sheet contacts the surface of the charging base.

[0024] A heat conducting sheet is provided on the top of the first shell and the second shell. The heat generated by the coil module during charging can be well conducted to the base through the heat conducting sheet. The semiconductor refrigeration sheet inside the base can cool down, thereby ensuring that the charging rate of the charger will not decrease due to excessive temperature.

[0025] Compared with the prior art, the beneficial effects of the utility model are:

[0026] The charging coil of the wireless charger is designed to have different types of coil modules installed on the front and back sides. For example, one side is installed with a coil module that supports wireless charging of Apple mobile phones, and the other side is installed with a coil module that supports wireless charging of Android phones. According to usage requirements, the front and back sides can be selected for charging, so that one wireless charger is compatible with wireless charging of two electronic devices; the charging coil and the charging base are designed to be combinable and detachable. By replacing different charging coils, such as smartphone charging coils, smart watch charging coils, wireless headset charging coils, etc., the wireless charger can be compatible with charging of multiple electronic devices; through the above design, the wireless charger is small in size and has good compatibility, suitable for installation in cars, and brings a good user experience to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of a combined vehicle-mounted wireless charger according to an embodiment of the utility model.

[0028] Figure 2 This is an exploded view of the structure of a combined vehicle-mounted wireless charger according to an embodiment of the present utility model.

[0029] Figure 3 This is a cross-sectional view of a combined vehicle-mounted wireless charger according to an embodiment of the present utility model.

[0030] Illustrations: 1-charging coil, 2-charging base, 11-coil shell, 12-first coil module, 13-bracket, 14-second coil module, 15-second connecting part, 21-first connecting part, 22-base shell, 23-semiconductor cooling plate, 24-control circuit board, 25-cooling fan module, 111-first shell, 112-second shell, 113-first cavity, 114-second cavity, 221-first air inlet, 222-second air inlet, 251-air outlet, 1111-clip, 1121-slot. DETAILED DESCRIPTION

[0031] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0032] like Figures 1 to 3As shown, in a preferred embodiment, the utility model provides a combined vehicle-mounted wireless charger, including: a charging coil 1, the charging coil 1 includes a coil housing 11, a bracket 13, a first coil module 12 and a second coil module 14, the bracket 13 is located inside the coil housing 11, and the bracket 13 divides the inside of the coil housing 11 into a first cavity 113 and a second cavity 114; the first coil module 12 is located in the first cavity 113, the second coil module 14 is located in the second cavity 114, and the first coil module 12 and the second coil module 14 face oppositely; a charging base 2, the charging base 2 is provided with a first connecting portion 21, and the charging coil 1 is provided with a second connecting portion 15, and the first connecting portion 21 and the second connecting portion 15 are detachably electrically connected.

[0033] The charging coil 1 of the wireless charger is designed to have different types of coil modules installed on the front and back sides. For example, a coil module supporting wireless charging of Apple mobile phones is installed on one side, and a coil module supporting wireless charging of Android mobile phones is installed on the other side. According to usage requirements, the front and back sides can be selected for charging, thereby realizing that one wireless charger is compatible with wireless charging of two electronic devices; the charging coil 1 and the charging base 2 are designed to be combinable and detachable. By replacing different charging coils 1, such as smartphone charging coils, smart watch charging coils, wireless headset charging coils, etc., the wireless charger can be compatible with charging of multiple electronic devices; through the above solution, the wireless charger is small in size and has good compatibility, is suitable for installation in a car, and brings a good user experience to the user.

[0034] like Figures 1 to 3As shown, the connection between the charging coil 1 and the charging base 2 can be in various forms. The first connection part 21 and the second connection part 15 can be electrically connected jacks. The first connection part 21 and the second connection part 15 are respectively inserted into the first connection part 21 and the second connection part 15 through the wiring harness plug, so that the charging coil 1 and the charging base 2 are connected; the first connection part 21 and the second connection part 15 can also be a contact type connection, and a contact is set at the place where the charging coil 1 and the charging base 2 are in contact. At the same time, the contact interface PIN adds an ID code, which can not only realize the connection between the charging coil 1 and the charging base 2, but also automatically identify the type of the coil. A coil identification module (not shown in the figure) is installed in the charging base 2. The coil identification module can use existing technology, such as: Hall sensor. In specific implementation, if there is a magnetic coil module for wireless charging of Apple mobile phones in the charging coil, the magnetic coil module has a magnetic ring, and the Hall sensor can sense the positive and negative of the magnetic ring, so that it can be determined whether the coil module facing the charging base 2 is a magnetic coil module, and then the type of the coil module can be identified. The charging coil 1 and the charging base 2 are designed with a simple and quickly detachable connection method, such as a wiring harness plug-in connection or a contact point contact connection, so that the user can easily replace and use different charging coils 1, and bring a good user experience. A coil identification module or a contact interface PIN is installed in the charging base 2 to increase the ID code, automatically identify the type of coil, and through system control, use the corresponding line module to connect with the charging coil 1, so as to charge the device.

[0035] like Figure 1 As shown, the coil housing 11 includes a first housing 111 and a second housing 112. The first housing 111 is provided with a plurality of buckles 1111, and the second housing 112 is provided with a plurality of slots 1121 corresponding to the buckles 1111. The buckles 1111 are provided on the side of the first housing 111, and the slots 1121 are provided on the side of the second housing 112, and are symmetrically distributed along the center line of the top surface of the first housing 111 and the second housing 112. The first housing 111 and the second housing 112 are connected by the buckles 1111 and the slots 1121, and the overall force is more uniform, which is not only firm but also convenient for disassembly and assembly.

[0036] like Figure 2 and Figure 3 As shown, the charging base 2 includes a base housing 22, a control circuit board 24, and a semiconductor cooling sheet 23. The control circuit board 24 and the semiconductor cooling sheet 23 are arranged inside the base housing 22, and the semiconductor cooling sheet 23 abuts against the top of the base housing 22. The control circuit board 24 is installed inside the charging base housing 22 and is connected to the charging coil 1 to realize the functional operation of the wireless charger. Heat is generated during the charging process, and the semiconductor cooling sheet 23 is used to cool down to ensure the stability of the charging process.

[0037] like Figure 2 and Figure 3As shown, the charging base 2 also includes a cooling fan module 25, which is installed at the bottom of the base shell 22. The base shell 22 is provided with a first air inlet 221 and a second air inlet 222. The first air inlet 221 is located on the side of the base shell 22, and the second air inlet 222 is located on the top of the base shell 22, adjacent to the charging coil 1. The cooling fan module 25 is provided with an air outlet 251. The first air inlet 221 and the second air inlet 222 are connected to the air outlet 251 to form an air duct. The cooling fan is started to provide a wind source, and the flowing air takes away the heat generated during the charging process through the air duct, thereby improving the heat dissipation capacity of the wireless charger and ensuring the stability of the charging process.

[0038] like Figure 2 and Figure 3 As shown, the first coil module 12 abuts against the top of the first shell 111, and the second coil module 14 abuts against the top of the second shell 112. A heat conductive sheet (not shown in the figure) is provided on the top of the first shell 111 and the second shell 112. The heat conductive sheet can be made of existing technology. When the charging coil 1 is placed on the charging base 2, the heat conductive sheet contacts the surface of the charging base 2. The heat generated by the coil module during charging can be well conducted to the charging base 2 through the heat conductive sheet. The semiconductor cooling sheet 23 inside the charging base 2 can cool down, thereby ensuring that the charging rate of the charger will not decrease due to excessive temperature.

[0039] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0040] In addition, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the definition of "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined vehicle-mounted wireless charger, characterized in that: include: A charging coil, the charging coil comprising a coil housing, a bracket, a first coil module and a second coil module, the bracket being located inside the coil housing, and the bracket dividing the inside of the coil housing into a first cavity and a second cavity; the first coil module being located inside the first cavity, the second coil module being located inside the second cavity, and the first coil module and the second coil module facing opposite directions; The charging base is provided with a first connecting portion, the charging coil is provided with a second connecting portion, and the first connecting portion and the second connecting portion are detachably electrically connected.

2. The combined vehicle-mounted wireless charger according to claim 1, characterized in that: The charging base is provided with a coil identification module, which can identify the types of the first coil module and the second coil module.

3. The combined vehicle-mounted wireless charger according to claim 1, characterized in that: The electrical connection between the first connection portion and the second connection portion is a wiring harness connection or a contact connection.

4. The combined vehicle-mounted wireless charger according to claim 1, characterized in that: The coil housing comprises a first housing and a second housing, the first housing is provided with a plurality of buckles, the second housing is provided with a plurality of slots corresponding to the buckles one by one, and the first housing and the second housing are connected by the buckles and the slots.

5. The combined vehicle-mounted wireless charger according to claim 4, characterized in that: The buckle is arranged on the side of the first shell, and the slot is arranged on the side of the second shell.

6. The combined vehicle-mounted wireless charger according to claim 1, characterized in that: The charging base includes a base shell, a control circuit board, and a semiconductor cooling sheet. The control circuit board and the semiconductor cooling sheet are arranged inside the base shell, and the semiconductor cooling sheet abuts against the top of the base shell.

7. The combined vehicle-mounted wireless charger according to claim 6, characterized in that: The charging base also includes a heat dissipation fan module, which is installed at the bottom of the base shell and is used for heat dissipation of the charging coil.

8. The combined vehicle-mounted wireless charger according to claim 7, characterized in that: The base shell is provided with a first air inlet and a second air inlet, the heat dissipation fan module is provided with an air outlet, and the first air inlet and the second air inlet are connected to the air outlet.

9. The combined vehicle-mounted wireless charger according to claim 4, characterized in that: The first coil module abuts against the top of the first shell, and the second coil module abuts against the top of the second shell.

10. The combined vehicle-mounted wireless charger according to claim 9, characterized in that: A heat conducting sheet is disposed on the top of the first shell and the second shell. When the charging coil is placed on the charging base, the heat conducting sheet contacts the surface of the charging base.

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