WO2021012098A1

WO2021012098A1 - Earphone charging case

Info

Publication number: WO2021012098A1
Application number: PCT/CN2019/096833
Authority: WO
Inventors: 周红超; 郭昌明
Original assignee: 宜百科技(深圳)有限公司
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2021-01-28

Abstract

An earphone charging case, comprising an earphone case (1) for supporting and fixing Bluetooth earphones (4) and a battery case (2) rotatably connected to the earphone case (1). The earphone case (1) has a first side face (100), and the battery case (2) has a second side face (20). A charging port (21) and first magnetic attraction members (22) are provided on the second side face (20), and second magnetic attraction members (11) are mounted on the first side face (100). When the first magnetic attraction members (22) are magnetically connected to the second magnetic attraction members (11), the battery case (2) is electrically connected to the earphone case (1), and the second side face (20) can be attached to the first side face (100), such that the charging port (21) can be concealed, and external contaminants such as dust and water drops can be prevented from entering the inside of the battery case (2), thereby effectively prolonging the service life of the battery case (2) and the service life of the earphone charging case.

Description

Earphone charging compartment

Technical field

This application is suitable for the technical field of charging bins, and more specifically, relates to a charging bin for earphones.

Background technique

The Bluetooth headset realizes a wireless communication connection with a mobile terminal, which can cancel the restraint of the headset wire, has the advantages of convenient wearing and convenient operation, and is favored by people.

The battery life of the Bluetooth headset is limited, and a charging compartment is required to charge the Bluetooth headset. The charging compartment comes with a rechargeable battery, and the charging compartment is provided with a charging interface for charging the rechargeable battery through an external charging cable. However, the current charging bays have their own charging ports leaking. This structural design will cause external dust, water droplets and other pollutants to directly enter the interior of the rechargeable battery, which will seriously affect the service life of the charging bay.

technical problem

The purpose of the embodiments of the present application is to provide an earphone charging compartment to solve the problem of leakage of the charging interface of the rechargeable battery which seriously affects the service life of the charging compartment.

Technical solutions

In order to achieve the foregoing objective, the technical solution adopted in the embodiments of the present application is to provide a headset charging compartment, including:

A headset compartment for supporting and fixing a Bluetooth headset, the headset compartment having a first side surface;

A battery compartment, one end of which is rotatably connected with the earphone compartment for electrically connecting with the earphone compartment to charge the Bluetooth headset, and the battery compartment has a second side surface;

The charging interface is installed on the second side surface;

The first magnetic attraction member is installed on the second side surface;

The second magnetic attraction member is installed on the first side surface and is used for magnetically attracting the first magnetic attraction member to realize the bonding of the first side surface and the second side surface.

Further, a main board is installed in the earphone compartment, a plurality of conductive pins are installed on the second side surface, a conductive sheet electrically connected to each conductive pin is correspondingly installed on the first side surface, and each conductive sheet It is electrically connected to the main board.

Further, the earphone charging compartment further includes a connecting piece for connecting the battery compartment and the earphone compartment, and the connecting piece includes a first section and a second section connected to the first section. The first section and the second section are formed by bending the same flexible sheet material, the earphone compartment is installed on the first section, and the battery compartment is installed on the second section.

Further, the first section is provided with a first chute for the earphone compartment to slide; and/or the second section is provided with a second chute for the battery compartment to slide, the first The sliding groove communicates with the second sliding groove.

Further, the free end of the second section extends out of the battery compartment, and the free end of the second section is provided with a through hole.

Further, the earphone compartment is provided with a groove for accommodating the Bluetooth earphone, and a plurality of charging pins for electrically connecting with the Bluetooth earphone are installed on the inner side wall of the groove, and each of the charging pins and The main board is electrically connected.

Further, the bottom surface of the groove is provided with an opening for supporting and positioning one end of the Bluetooth headset.

Further, a magnetic sheet for magnetic connection with the other end of the Bluetooth headset is installed on the bottom surface of the groove.

Further, the bottom surface of the groove is also provided with a heat dissipation hole for heat dissipation, and the magnetic sheet is arranged between the opening and the heat dissipation hole.

Further, the first side surface is provided with a ring-shaped groove, and the second side surface is provided with a sealing ring for extending into the ring-shaped groove to seal the gap between the battery compartment and the earphone compartment.

Further, a through hole is opened at the chamfer of the earphone compartment, one open end of the through hole is located on the side of the earphone compartment away from the first side surface, and the other open end of the through hole is located at The earphone compartment is on the side surface adjacent to the first side surface.

Further, an output interface for electrically connecting with an external device is installed on the earphone compartment, and the output interface is electrically connected with the main board.

Beneficial effect

In the embodiment of the application, the earphone compartment and the battery compartment are connected in rotation. After the first magnetic member on the battery compartment and the second magnetic member on the earphone compartment are magnetically attracted, the battery compartment can be electrically connected to the earphone compartment, and then It can charge the Bluetooth headset installed in the headset compartment. By arranging the first magnetic member and the charging interface on the second side of the battery compartment, when the battery compartment is electrically connected to the earphone compartment, the second side of the battery compartment can be attached to the first side of the earphone compartment, thereby The charging interface can be hidden to prevent external pollutants such as dust and water droplets from entering the battery compartment, thereby effectively increasing the service life of the battery compartment and the earphone charging compartment.

Description of the drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only of the present application. For some embodiments, those of ordinary skill in the art can obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic structural diagram of the headset charging compartment and the Bluetooth headset provided in Embodiment 1 of the application after being expanded;

FIG. 2 is a schematic structural diagram of a battery compartment provided in Embodiment 1 of the application;

FIG. 3 is a structural schematic diagram 1 of the earphone compartment provided in Embodiment 1 of the application;

4 is a schematic diagram 2 of the structure of the earphone compartment provided in the first embodiment of the application;

5 is a schematic structural diagram of the earphone charging compartment provided in Embodiment 2 of the application after being folded;

FIG. 6 is a schematic structural diagram of the headset charging compartment provided in Embodiment 2 of the application after being expanded;

FIG. 7 is a schematic structural diagram of the connecting piece provided in the second embodiment of the application after being bent;

8 is a schematic structural diagram of the earphone charging compartment provided in Embodiment 3 of the application after being folded;

FIG. 9 is a schematic structural diagram of the headset charging compartment provided in Embodiment 3 of the application after being expanded.

Among them, the reference signs in the figure:

1- earphone compartment; 10- opening; 11- second magnetic attraction piece; 12- conductive sheet; 13- groove; 14- charging pin; 15- magnetic sheet; 16- ring groove; 17- output interface; 18 -Heat dissipation hole; 19-via; 100-first side; 101-main board;

2-battery compartment; 20-second side; 21-charging interface; 22-first magnetic attraction member; 23-conductive needle; 24-sealing ring;

3-Connecting piece; 31-first section; 311-first chute; 32-second section; 320-through hole; 321-second chute;

4-Bluetooth headset.

Embodiments of the invention

In order to make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following further describes the application in detail with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the application, and are not used to limit the application.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this application, "multiple" means two or more than two, unless otherwise specifically defined.

In the description of this application, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", " The orientation or positional relationship indicated by "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for convenience Describe this application and simplify the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the application.

In the description of this application, it should be noted that the terms "installation", "connection", and "connection" should be interpreted broadly unless otherwise clearly specified and limited. For example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components or the interaction between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

Example one:

Please refer to FIG. 1 to FIG. 4 together. Now, the earphone charging compartment provided in Embodiment 1 of the present application will be described. The headset charging compartment includes a headset compartment 1 for supporting and fixing the Bluetooth headset 4 and a battery compartment 2 rotatably connected to the headset compartment 1 at one end. The earphone compartment 1 has a first side surface 100 and the battery compartment 2 has a second side surface 20. The second side surface 20 of the battery compartment 2 is provided with a charging interface 21 and a first magnetic attraction member 22 respectively, and the first side surface 100 of the earphone compartment 1 is provided with a second magnetic attraction member 11. When the earphone compartment 1 and the battery compartment 2 are rotated and attached, the second side surface 20 of the battery compartment 2 is attached to the first side surface 100 of the earphone compartment 1, and the first magnetic member 22 and the second magnetic member 11 are magnetically attracted At the same time, the earphone compartment 1 and the battery compartment 2 are electrically connected. At this time, the side surface adhering to the battery compartment 2 can cover and hide the charging interface 21, so as to prevent dust and water droplets from entering the battery compartment 2, and then Improve the service life of battery compartment 2 and earphone charging compartment.

Optionally, the first magnetic member 22 may be a ferromagnetic member such as an iron sheet, a magnet, a nickel sheet, etc., and the second magnetic member 11 may be a magnet; or, the first magnetic member 22 may be a magnet, and the second magnetic member The suction member 11 may be a ferromagnetic member such as an iron sheet, a magnet, or a nickel sheet. The number of the first magnetic member 22 and the second magnetic member 11 can be adjusted according to actual needs, and is not uniquely limited here.

Optionally, one end of the battery compartment 2 and one end of the earphone compartment 1 are connected by hinges, pivots, or the like. Or, in other embodiments, the battery compartment 2 and the earphone compartment 1 are connected by plug-in connection, rotary connection, etc., which can all realize the function of hiding the charging interface 21, which is not exclusively limited here.

Compared with the prior art, the earphone charging compartment provided by the embodiment of the present application connects the earphone compartment 1 and the battery compartment 2 in rotation. When the first magnetic attraction member 22 on the battery compartment 2 is After the two magnetic attracting members 11 are magnetically attracted, the battery compartment 2 can be electrically connected to the earphone compartment 1, and then the Bluetooth headset 4 arranged on the earphone compartment 1 can be charged. By arranging the first magnetic member 22 and the charging interface 21 on the second side 20 of the battery compartment 2, when the battery compartment 2 is electrically connected to the earphone compartment 1, the second side 20 of the battery compartment 2 can be connected to the earphone compartment 1. The first side 100 of the battery is attached to each other, so that the charging interface 21 can be hidden, and external contaminants such as dust and water droplets can be prevented from entering the battery compartment 2, thereby effectively improving the service life of the battery compartment 2 and the earphone charging compartment.

Further, please refer to FIG. 1 together. As a specific implementation of the earphone charging compartment provided in the first embodiment of the present application, a motherboard 101 is installed in the earphone compartment 1, and a plurality of conductive components are installed on the second side surface 20 of the battery compartment 2. The pins 23 are correspondingly installed on the first side surface 100 of the earphone compartment 1 with conductive sheets 12 electrically connected to the conductive pins 23, and each conductive sheet 12 is electrically connected to the main board 101. Specifically, a plurality of conductive pins 23, a first magnetic attraction member 22, and a charging interface 21 are all arranged on the second side surface 20 of the battery compartment 2, and a plurality of conductive sheets 12 and the second magnetic attraction member 11 are all arranged on the first side of the earphone compartment 1. 100 on one side. In this structure, after the first magnetic attraction member 22 and the second magnetic attraction member 11 are magnetically connected, each conductive pin 23 abuts against the corresponding conductive sheet 12, thereby achieving electrical connection between the battery compartment 2 and the earphone compartment 1, and further The Bluetooth headset 4 set on the headset compartment 1 is charged. Optionally, the conductive needle 23 and the conductive sheet 12 may be made of iron, copper, magnetic material and conductive plating. In other embodiments, the shape, structure, position and quantity of the conductive pins 23 and the conductive sheets 12 can be adjusted according to actual needs; the earphone compartment 1 and the battery compartment 2 can also be electrically connected in other ways, such as wireless charging. The way to charge the Bluetooth headset 4, etc., is not uniquely limited here.

Further, please refer to FIGS. 3 and 4 together. As a specific implementation of the headset charging compartment provided in the first embodiment of the present application, the headset compartment 1 is provided with a groove 13 for accommodating the Bluetooth headset 4. A number of charging pins 14 for electrically connecting with the Bluetooth headset 4 are installed on the inner side wall of 13, and each charging pin 14 is electrically connected to the main board 101. Specifically, the groove 13 has a configuration adapted to the shape of the Bluetooth headset 4, so that the Bluetooth headset 4 can be supported and fixed. The number of charging pins 14 can be selected as four and divided into two groups. The two sets of charging pins 14 are respectively located on both sides of the groove 13 so as to charge the front and back Bluetooth headsets 4. Optionally, the charging needle 14 may be made of iron, copper, magnetic materials and conductive plating. In other embodiments, the number of charging pins 14 can be adjusted according to actual needs, which is not uniquely limited here. Each charging pin 14 may be sheathed with a spring, so as to achieve expansion and contraction, thereby improving the reliability of the connection between each charging pin 14 and the corresponding Bluetooth headset 4. With this structure, when the Bluetooth headset 4 is placed in the groove 13, each charging pin 14 can abut against the Bluetooth headset 4 to form electrical communication, so that the Bluetooth headset 4 can be charged. The groove 13 can support and fix the Bluetooth headset 4, thereby improving the support effect for the Bluetooth headset 4.

Optionally, each charging pin 14 is made of iron material, and the surface is plated with gold or other anti-oxidation materials to increase conductivity and at the same time have anti-oxidation properties. A magnetic material is provided around each charging pin 14 to achieve compatibility Magnetic connection of Bluetooth headset 4. Alternatively, each charging pin 14 is directly made of a magnetic material to improve the alignment accuracy of each conductive pin 23 and the Bluetooth headset 4.

Further, please refer to FIGS. 3 and 4 together. As a specific implementation of the earphone charging compartment provided in the first embodiment of the present application, the bottom surface of the groove 13 is provided with an opening 10 for supporting and positioning one end of the Bluetooth earphone 4 A magnetic sheet 15 for magnetic connection with the other end of the Bluetooth headset 4 is installed on the bottom surface of the groove 13. In this structure, one end of the Bluetooth headset 4 can be supported and positioned through the opening 10; an iron block is provided on the Bluetooth headset 4 at a position corresponding to the magnetic sheet 15, and the magnetic sheet 15 can be magnetically connected to the other end of the Bluetooth headset 4. Therefore, the two ends of the Bluetooth headset 4 can be effectively fixed, so that the stability of the Bluetooth headset 4 installed in the groove 13 can be improved, and the reliability of charging can be effectively improved.

Further, please refer to FIG. 4 together. As a specific implementation of the earphone charging compartment provided in the first embodiment of the present application, the earphone compartment 1 is equipped with an output interface 17 for electrical connection with external devices, and the output interface 17 is connected to the main board 101 electrical connection. With this structure, when the earphone compartment 1 and the battery compartment 2 are electrically connected, while the battery compartment 2 charges the Bluetooth headset 4, external devices can also be charged through the output interface 17, thereby improving the functional diversity of the earphone charging compartment. In other embodiments, the type, number, installation position, etc. of the output interface 17 can be adjusted according to actual needs, and there is no unique limitation here.

Further, referring to FIGS. 3 and 4 together, the bottom surface of the groove 13 is also provided with a heat dissipation hole 18 for heat dissipation, and the magnetic sheet 15 is located between the heat dissipation hole 18 and the opening 10. In this structure, the heat dissipation hole 18 can be matched with the top surface of the opening of the groove 13 to realize double-sided heat dissipation, thereby improving the heat dissipation effect. In other embodiments, the number, positions, etc. of the heat dissipation holes 18 can be adjusted according to actual needs, which are not uniquely limited here.

Further, please also refer to FIG. 4, the chamfered corner of the earphone compartment 1 is provided with a via 19, one open end of the via 19 is located on the side of the earphone compartment 1 away from the first side 100, and the other open end is located The earphone compartment 1 is on the side adjacent to the first side 100. A hanging buckle or the like can be installed in the through hole 19, and the earphone charging compartment can be hung on the support, or it is convenient to carry the earphone charging compartment.

Embodiment two:

Please refer to FIGS. 5 to 7 together. Now, the earphone charging compartment provided in the second embodiment of the present application will be described. The difference between the earphone charging compartment provided in the second embodiment and the earphone charging compartment provided in the first embodiment is that the earphone charging compartment provided in the second embodiment further includes a connecting piece 3 connecting the battery compartment 2 and the earphone compartment 1. The sheet 3 includes a first section 31 and a second section 32 connected to the first section 31. The first section 31 and the second section 32 are formed by bending the same flexible sheet material, so the first section 31 can wrap around the second section 32 rotates, or the second section 32 can rotate around the first section 31. The earphone compartment 1 is installed on the first section 31 and the battery compartment 2 is installed on the second section 32. In this structure, when the first section 31 and the second section 32 are in the same plane, the earphone compartment 1 and the battery compartment 2 are magnetically bonded together, that is, the first side surface 100 is bonded to the second side surface 20, and the charging interface 21 hide. When the first segment 31 and the second segment 32 are not in the same plane, the earphone compartment 1 and the battery compartment 2 are turned and opened, so that the battery compartment 2 can be charged through the charging interface 21 to extend the battery life of the earphone charging compartment .

Further, please refer to FIG. 7 together. As a specific implementation of the earphone charging compartment provided in the second embodiment of the present application, the first section 31 is provided with a first chute 311 for the earphone compartment 1 to slide; and/or The second section 32 is provided with a second sliding groove 321 for sliding the battery compartment 2. In this structure, the first slide groove 311 is provided on the first section 31, or the second slide groove 321 is provided on the second section 32, or the first slide groove is provided on the first section 31 and the second section 32 respectively. Slot 311 and second sliding slot 321. When the first section 31 and the second section 32 are in the same plane, there is no need to bend the first section 31 or the second section 32 to realize the rotation and opening of the earphone compartment 1 and the battery compartment 2. A sliding groove 311 is pulled open, or the battery compartment 2 is pulled apart along the second sliding groove 321, the earphone compartment 1 and the battery compartment 2 can be separated, the operation is convenient, and the connecting piece 3 is not easily damaged.

Further, please refer to FIGS. 5 and 6 together, as a specific implementation of the earphone charging compartment provided in the second embodiment of the present application, the free end of the second section 32 extends out of the battery compartment 2, and the free end of the second section 32 A through hole 320 is opened on the end. In this structure, by extending the second section 32 out of the battery compartment 2, it is convenient for the user to bend the connecting piece 3 through the extended part, thereby facilitating the separation of the earphone compartment 1 and the battery compartment 2. By opening a through hole 320 in row 32 of the second section, it can be connected with a hanging buckle, which is convenient for carrying or supporting the earphone charging compartment. In other embodiments, the free end of the first section 31 may also extend out of the earphone compartment 1, and the free end of the first section 31 may also be provided with a through hole 320, etc., which are not exclusively limited here.

Further, please refer to FIG. 6 together. As a specific implementation of the earphone charging compartment provided in the second embodiment of the present application, the first side surface 100 of the earphone compartment 1 is provided with an annular groove 16, and the second side of the battery compartment 2 A sealing ring 24 for extending into the annular groove 16 to seal the gap between the battery compartment 2 and the earphone compartment 1 is installed on the side surface 20. With this structure, when the earphone compartment 1 and the battery compartment 2 are magnetically attracted, the sealing ring 24 can be extended into the annular groove 16, so that the gap between the earphone compartment 1 and the battery compartment 2 can be filled, thereby improving the charging The sealing effect of the interface 21 is good in waterproof and dustproof, which is beneficial to further improve the service life of the earphone charging compartment.

The other structure of the earphone charging compartment provided in the second embodiment is the same as the corresponding structure of the earphone charging compartment provided in the first embodiment, and will not be repeated here.

Example three:

Please refer to FIG. 8 and FIG. 9 together. Now, the earphone charging compartment provided in the third embodiment of the present application will be described. The difference between the earphone charging compartment provided in the third embodiment and the earphone charging compartment provided in the second embodiment is that the connecting piece 3 is arranged between the earphone compartment 1 and the battery compartment 2. After the first section 31 and the second section 32 are folded, each first magnetic member 22 on the battery compartment 2 can be magnetically attracted to the corresponding second magnetic member 11 on the earphone compartment 1, and each conductive needle 23 can be connected to the corresponding The conductive sheet 12 abuts to form an electrical connection. The second section 32 can cover the groove 13 for supporting and fixing the Bluetooth headset 4, which can not only realize the hiding of the charging interface 21, the conductive pin 23 and the conductive sheet 12, but also The concealment of the Bluetooth headset 4 enhances the beauty of the product.

The other structure of the earphone charging compartment provided in the third embodiment of the present application may be the same as the corresponding structure of the earphone charging compartment provided in the second embodiment above, and will not be repeated here.

The above descriptions are only preferred embodiments of this application, and are not intended to limit this application. Any modification, equivalent replacement and improvement made within the spirit and principle of this application shall be included in the protection of this application. Within range.

Claims

A charging bin for earphones is characterized by comprising:

A headset compartment for supporting and fixing a Bluetooth headset, the headset compartment having a first side surface;

A battery compartment, one end of which is rotatably connected with the earphone compartment for electrically connecting with the earphone compartment to charge the Bluetooth headset, and the battery compartment has a second side surface;

The charging interface is installed on the second side surface;

The first magnetic attraction member is installed on the second side surface;

The second magnetic attraction member is installed on the first side surface and is used for magnetically attracting the first magnetic attraction member to realize the bonding of the first side surface and the second side surface.
The earphone charging compartment according to claim 1, wherein a motherboard is installed in the earphone compartment, a plurality of conductive pins are installed on the second side surface, and the first side surface is correspondingly installed with the conductive pins. The conductive strips electrically connected to the pins, and each of the conductive strips is electrically connected to the main board.
The earphone charging compartment according to claim 1, wherein the earphone charging compartment further comprises a connecting piece for connecting the battery compartment and the earphone compartment, and the connecting piece includes a first section and a connecting piece. The second section connected to the first section, the first section and the second section are formed by bending the same flexible sheet, the earphone compartment is installed on the first section, and the battery compartment is installed On the second paragraph.
The earphone charging compartment of claim 3, wherein: the first section is provided with a first chute for the earphone compartment to slide; and/or the second section is provided with a first chute for the battery The second sliding groove of the bin sliding, the first sliding groove communicates with the second sliding groove.
3. The earphone charging compartment of claim 3, wherein the free end of the second section extends out of the battery compartment, and the free end of the second section is provided with a through hole.
The earphone charging compartment according to claim 2, characterized in that: the earphone compartment is provided with a groove for accommodating the Bluetooth earphone, and the inner side wall of the groove is installed for connecting with the Bluetooth earphone. A number of connected charging pins, each of which is electrically connected to the main board.
7. The earphone charging compartment according to claim 6, wherein the bottom surface of the groove is provided with an opening for supporting and positioning one end of the Bluetooth earphone.
7. The earphone charging compartment of claim 7, wherein a magnetic sheet for magnetic connection with the other end of the Bluetooth earphone is installed on the bottom surface of the groove.
8. The earphone charging compartment of claim 8, wherein the bottom surface of the groove is further provided with a heat dissipation hole for heat dissipation, and the magnetic sheet is provided between the opening and the heat dissipation hole.
The earphone charging compartment of claim 1, wherein the first side surface is provided with a ring-shaped groove, and the second side surface is provided with a ring groove for extending into the ring-shaped groove to seal the battery compartment. A sealing ring for the gap between the earphone compartment and the earphone compartment.
The earphone charging compartment of claim 1, wherein a through hole is opened at the chamfer of the earphone compartment, and an open end of the through hole is located on the side of the earphone compartment away from the first side Above, the other open end of the via hole is located on the side surface of the earphone compartment adjacent to the first side surface.
The earphone charging compartment according to any one of claims 2-11, wherein an output interface for electrically connecting with an external device is installed on the earphone compartment, and the output interface is electrically connected with the main board.