WO2022033197A1

WO2022033197A1 - Electric energy transmission device, control circuit, adapter, charging box and charging system

Info

Publication number: WO2022033197A1
Application number: PCT/CN2021/102505
Authority: WO
Inventors: 张驰
Original assignee: Oppo广东移动通信有限公司
Priority date: 2020-08-14
Filing date: 2021-06-25
Publication date: 2022-02-17
Also published as: CN114079314A; CN114079314B

Abstract

The present application provides an electric energy transmission device, a control circuit, an adapter, a charging box and a charging system, which relate to the technical field of electronic devices. In an electric energy transmission device, a first interface is used for being electrically connected to a mains supply and receiving electric energy of the mains supply; a second interface is used for being electrically connected to an electronic device and/or a mobile power supply and transmitting electric energy; a third interface is used for being electrically connected to an earphone and performing electric energy transmission with the earphone; and a control circuit is used for controlling electric energy transmission between the first interface and the second interface, and is used for controlling electric energy transmission between the first interface and the third interface. In the present application, the earphone can be placed in the electric energy transmission device, so that when a user carries around the electric energy transmission device, there is no need to carry an earphone charging box and an adapter corresponding to the earphone charging box, facilitating carrying; and during use, the adapter can be used to be directly electrically connected to the mains supply to charge the electronic device, the mobile power supply and the earphone, allowing the user to use same continuously for a long time.

Description

Power transmission equipment, control circuits, adapters, charging boxes and charging systems

【Technical field】

The present application relates to the technical field of electronic devices, and in particular to a power transmission device, a control circuit, an adapter, a charging box and a charging system.

【Background technique】

At present, TWS (True wireless Stereo, true wireless stereo) earphones are basically stored and charged through the earphone charging box, and are connected to the mobile phone via Bluetooth, while the mobile phone often needs to be charged through an adapter, and the earphone charging box also needs to be charged through an adapter. The user needs to carry many adapters, which makes it inconvenient to carry.

[Content of the invention]

An aspect of the embodiments of the present application provides a power transmission device, including:

a casing, which has a first cavity and a second cavity which are divided and arranged, and the second cavity is used for accommodating the earphone;

a first interface, which is arranged on the casing and is used for connecting with the mains and receiving the electric energy of the mains;

a second interface, arranged on the casing, for electrically connecting with the electronic device and/or the mobile power supply and transmitting electric energy;

a third interface, located in the second cavity, for electrically connecting with the earphone and transmitting power with the earphone; and

A control circuit, located in the first cavity, is electrically connected to the first interface, the second interface and the third interface respectively, and is used for controlling the connection between the first interface and the second interface Power transmission, for controlling power transmission between the first interface and the third interface.

The embodiment of the present application further provides a control circuit, including an adaptation circuit, a charging circuit, and a power supply circuit; the adaptation circuit is electrically connected to a first interface, a second interface, and a third interface, respectively, and is used to connect the first interface to the first interface. The mains electric energy received by the interface is converted into direct current electric energy for the output of the second interface and the third interface; the charging circuit is respectively electrically connected with the battery, the adaptation circuit and the second interface, and is used for converting The DC power converted by the adapter circuit is transmitted to the battery to charge the battery, and is used to transmit the power received by the second interface to the battery to charge the battery; the power supply circuit It is electrically connected to the second interface, the third interface and the battery respectively, and is used to control the electric energy of the battery to be output through the second interface, and to control the electric energy of the battery to pass through the third interface. interface output.

An embodiment of the present application further provides an adapter, which is used for receiving an earphone and capable of charging the earphone, and the adapter includes the above-mentioned control circuit, a first interface, a second interface and a third interface.

The embodiment of the present application also provides an earphone charging box, the earphone charging box includes the control circuit, the first interface, the second interface and the third interface as described above, so that the earphone charging box can charge the mains power Converted to DC electrical energy to transfer power to headphones, electronics, power banks and/or batteries.

Embodiments of the present application further provide a charging system, including a power transmission device, an earphone, and a transmission line;

The power transmission device includes:

A second interface is provided on the casing, the second interface is electrically connected to one end of the transmission line, and the other end of the transmission line is electrically connected to an electronic device or a mobile power source, so as to be connected to the electronic device and/or the mobile power supply transmits electrical energy;

a third interface, located in the second cavity and disposed on the casing, for electrically connecting with the earphone and transmitting power with the earphone; and

A control circuit, located in the first cavity and disposed on the casing, is electrically connected to the first interface, the second interface and the third interface respectively, and is used to control the first interface Power transmission with the second interface, and used to control the power transmission between the first interface and the third interface.

The power transmission device provided by the embodiment of the present application combines the respective characteristics of the adapter and the earphone charging box. By setting the second cavity, the control circuit and the interface, the earphone can be placed in the power transmission device, so that the user can carry it with him wherever he goes. When the power transmission device is used, there is no need to carry the earphone charging box and the adapter corresponding to the earphone charging box again, which makes it easy to carry. During use, the adapter can be directly connected to the mains power to charge electronic devices, mobile power and earphones. Allow users to use it continuously for a long time.

【Description of drawings】

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 discloses a schematic diagram of a frame structure of an earphone box in an embodiment of the present application;

2 discloses a schematic diagram of a frame structure of an earphone box in an embodiment of the present application;

3 discloses a schematic diagram of a frame structure of an earphone box in an embodiment of the present application;

FIG. 4 discloses a schematic diagram of a frame structure of an earphone according to an embodiment of the present application;

5 discloses a schematic structural diagram of a viewing angle of an earphone box in an embodiment of the present application;

6 discloses a schematic structural diagram of the earphone box from another perspective in an embodiment of the present application;

7 discloses an exploded exploded view of the earphone box in an embodiment of the present application;

FIG. 8 discloses a schematic structural diagram of a first housing in an embodiment of the present application;

FIG. 9 discloses a schematic structural diagram of a second housing in an embodiment of the present application;

10 is a schematic structural diagram of another viewing angle of the earphone box in an embodiment of the application;

Fig. 11 is the A-A sectional view of the earphone box in the embodiment shown in Fig. 10;

12 discloses a schematic structural diagram of an earphone box in another embodiment of the present application;

FIG. 13 discloses a schematic structural diagram of the earphone box in the embodiment shown in FIG. 12;

FIG. 14 discloses another schematic structural diagram of the earphone box in an embodiment of the present application;

FIG. 15 discloses another schematic structural diagram of the earphone box in an embodiment of the present application;

16 discloses a schematic structural diagram of an earphone box in another embodiment of the present application;

17 discloses a schematic structural diagram of an earphone box in another embodiment of the present application;

18 discloses a schematic structural diagram of an earphone box in another embodiment of the present application;

19 discloses a schematic structural diagram of an earphone box in an embodiment of the present application;

20 discloses a schematic structural diagram of an earphone box in an embodiment of the present application;

21 discloses a schematic structural diagram of an earphone box in an embodiment of the present application;

FIG. 22 discloses a schematic structural diagram of a viewing angle of the earphone box in still another embodiment of the present application;

FIG. 23 discloses a schematic structural diagram of the earphone box from another perspective in another embodiment of the present application;

24 discloses a schematic cross-sectional structure diagram of an earphone box in yet another embodiment of the present application;

25 discloses a schematic structural diagram of a viewing angle of the earphone box according to an embodiment of the present application;

26 discloses a schematic structural diagram of the earphone box from another perspective in an embodiment of the present application;

27 discloses a schematic cross-sectional structure diagram of an earphone box in an embodiment of the present application;

FIG. 28 discloses a schematic cross-sectional structure diagram of an earphone box in an embodiment of the present application;

FIG. 29 discloses a schematic structural diagram of an earphone box in yet another embodiment of the present application;

30 discloses a schematic structural diagram of an earphone box in yet another embodiment of the present application;

31 is a schematic diagram of the structural composition of an electronic device in other embodiments of the present application;

FIG. 32 is a schematic diagram of an overall structure of an electronic device in other embodiments of the present application.

【detailed description】

The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It is particularly pointed out that the following examples are only used to illustrate the present application, but do not limit the scope of the present application. Similarly, the following embodiments are only some of the embodiments of the present application, but not all of the embodiments, and all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

This application sets forth an electronic system, which may also be referred to as a "charging system", which may include a headset and a headset case. This headphone case can be used to place headphones for easy portability.

Please refer to FIG. 1 , which discloses a schematic diagram of a frame structure of an earphone box according to an embodiment of the present application. The earphone box 000 is used to charge the earphone, so it can also be called a "power transmission device" or a "charging earphone box". The earphone box 000 may include a first interface 010, a second interface 011, a third interface 012, a control circuit 020 and a battery 030 (generally a rechargeable battery). The first interface 010 , the second interface 011 , the third interface 012 and the battery 030 can all be electrically connected to the control circuit 020 . In one embodiment, the battery 030 is omitted.

Referring to FIG. 1 , the first interface 010 can be electrically connected to the control circuit 020 . The first interface 010 can be used for electrical connection with the mains (generally refers to the power frequency alternating current, the world's mains may have different voltage standards, such as China is generally 220V (volt), Japan is 110V, and the United States is 110V), so as to The earphone box 000 is made to receive the electric energy output by the commercial power through the first interface 010 . For example, the first interface 010 is a plug, which can be inserted into a socket configured with commercial power, and the plug may be a two-pin plug or a three-pin plug. It should be noted that the first interface 010 here may directly receive power frequency alternating current (mains power).

Please refer to FIG. 1 , the second interface 011 is electrically connected to the control circuit 020 . The second interface 011 can be used for electrical connection with an electronic device or a mobile power supply (here, it can be a direct connection or an indirect connection through a transmission line), so that the earphone box 000 can use the second interface 011 to electrically connect with the electronic device or the mobile power supply. transmission. In one embodiment, the earphone box 000 outputs power to the electronic device or the mobile power supply through the second interface 011 to charge the electronic device or the mobile power supply. In one embodiment, the earphone box 000 transmits power to the electronic device or the mobile power supply through the second interface 011, so as to perform bidirectional transmission of data. For example, the earphone box 000 outputs power such as working status data to the electronic device through the second interface 011, so that the electronic device can understand and collect the historical working status of the earphone box 000 and/or the earphones placed on the earphone box 000. For example, the earphone box 000 receives the power of the mobile power supply, such as charging state data, through the second interface 011, so that the earphone box 000 can know the charging state of the mobile power supply in real time. For example, the earphone box 000 receives power such as control data of the electronic device through the second interface 011 , so that the electronic device can control the earphone box 000 and/or the earphones placed on the earphone box 000 .

In one embodiment, the second interface 011 may include at least one of a USB interface and a Lighting interface (ie, an Apple high-speed multi-function I/O interface). In addition, the form of the second interface 011 may be a plug end corresponding to interfaces such as a USB interface and a Lighting interface, or a slot end corresponding to interfaces such as a USB interface and a Lighting interface, and may be one or multiple (two or two or more). For different application requirements, such as input and output requirements, the setting form of the second interface 011 may be different. Of course, the form of the second interface 011 can be set within the range understood by those skilled in the art.

In some embodiments, the earphone box 000 receives the commercial power input from the first interface 010 and processes it through the control circuit 020 of the earphone box 000 , and the earphone box 000 outputs the processed power to the electronic device or mobile power supply through the second interface 011 Wait. The second interface 011 can be directly connected to an electronic device or a mobile power supply (for example, the second interface 011 is a type-c plug, which is used to connect to a type-c socket of the electronic device or mobile power supply to realize power transmission). In some implementations, the earphone box 000 receives the mains power input from the first interface 010 , and after processing by the control circuit 020 of the earphone box 000 , the earphone box 000 passes the processed power through the second interface 011 and communicates with the second interface 011 The transmission line connected to the electronic device or the mobile power supply realizes the transmission of electrical energy to the electronic device or the mobile power supply. At this time, the second interface 011 can be a USB slot such as a Type-A slot, a Type-B slot and a Type-C slot, and is used for connecting with the USB plugs at one end of the transmission line such as the Type-A plug, the Type-B plug and the Type-C plug connection. The USB plugs on the other end of the transmission line, such as Type-A plugs, Type-B plugs and Type-C plugs, are used to correspond to the USB sockets such as Type-A sockets, Type-B sockets and Type-C sockets on electronic devices or mobile power supplies. -C slot connection for power transmission.

The electronic devices described in this application include but are not limited to mobile phones, tablet computers, wearable devices (such as watches, bracelets, glasses, etc.), smart home appliances (such as desk lamps, fans, etc.), and other audio products (such as speakers, story machines, etc.) .

The mobile power source described in this application may be a power bank, an electronic product with the function of a power bank, and the like.

Please refer to FIG. 1 , the third interface 012 is electrically connected to the control circuit 020 . The third interface 012 is used for electrical connection with the earphone, so that the earphone box 000 can transmit power to the earphone through the third interface 012 . The earphones may be a single earphone or a plurality of earphones (two or more), such as a pair of earphones (eg, a left earphone and a right earphone). The corresponding third interface 012 may be a group of interfaces or multiple groups (two or more) of interfaces. When the earphones are a pair of earphones, the third interface 012 may be corresponding two groups of interfaces, for example, two groups of pogo pin interfaces, and one group of pogo pin interfaces is used to connect with an interface corresponding to one earphone. In one embodiment, the earphone box 000 outputs power to the earphone through the third interface 012 to charge the earphone. In one embodiment, the earphone box 000 transmits power to the earphone through the third interface 012 for data transmission. For example, the earphone box 000 receives the power of the earphones through the third interface 012, such as working status data and charging status data, which is convenient for the earphone box 000 to understand and collect the historical working status of the earphones, and it is convenient for the electronic device to know and collect the historical working status of the earphones through the earphone box 000. . In one embodiment, the third interface 012 may comprise a pogo pin interface such as a pogo pin pogo pin.

Please refer to FIG. 1 , the control circuit 020 is electrically connected to the first interface 010 , the second interface 011 , the third interface 012 and the battery 030 , respectively. In one embodiment, the control circuit 020 is configured to control the power input from the first interface 010 to be transmitted to the second interface 011 for output from the second interface 011 . For example, the first interface 010 is a plug. When the plug is connected to a socket configured with commercial power, the commercial power is input into the earphone box 000 from the first interface 010. Including AC/DC conversion circuit) to control the electrical energy of the commercial power to be converted into a first voltage such as 5V DC electrical energy and output from the second interface 011, the second interface 011 is a USB or Lighting interface, and the second interface of the electronic device or mobile power supply The interface adapted to 011 is electrically connected to the second interface 011 to charge the electronic device or the mobile power supply. In one embodiment, the control circuit 020 is configured to control the power input from the first interface 010 to be transmitted to the third interface 012 and output from the third interface 012 . For example, the control circuit 020 controls the electrical energy of the commercial power to be converted into a second voltage such as 5V DC electrical energy and transmitted from the third interface 012 to the earphones placed on the earphone box 000 to charge the earphones placed on the earphone box 000 . For example, the first interface 010 is a plug. When the plug is connected to a socket equipped with commercial power (also referred to as a "mains plug"), the commercial power is input into the earphone box 000 from the first interface 010, and the control circuit 020 controls the mains The electrical energy is converted into a second voltage, such as 5V DC electrical energy, which is output from the third interface 012. The third interface 012 is a pogo pin interface. Headphones are charged.

In one embodiment, the commercial power input from the first interface 010 is processed by the control circuit 020 (for example, the charging circuit 022 may include a charging circuit 022, and the charging circuit 022 may be a DC/DC conversion circuit), and then transmitted to the battery 030, so as to provide the battery 030 with power. to charge. For example, the power of the commercial power is transmitted from the first interface 010 to the earphone box 000 , and is processed by the control circuit 020 to charge the battery 030 inside the earphone box 000 . In one embodiment, the control circuit 020 is used to control the input of power from the third interface 012, such as charging state data, so as to know the current power situation on the earphone box 000, so as to further control the earphone.

In one embodiment, the control circuit 020 (for example, the charging circuit 022 may be included, and the charging circuit 022 may be a DC/DC conversion circuit) is used to control the transmission of the power input from the second interface 011 to the battery 030 to charge the battery 030 . For example, a power bank charges the battery 030. In one embodiment, the control circuit 020 is configured to control the power input from the second interface 011 to be transmitted to the third interface 012 for output from the third interface 012 . For example, the power bank charges the earphones placed on the earphone box 000 . In one embodiment, the control circuit 020 is used to control the power input from the second interface 011, for example, control data to be transmitted to the third interface 012, so as to be transmitted from the third interface 012 to the earphone placed on the earphone box 000, and the opposite The earphones on the earphone box 000 are controlled. For example, the electronic device controls the earphones placed on the earphone box 000, such as power control and charging control.

In one embodiment, the control circuit 020 (which may include a power supply circuit 023, such as a booster circuit) is used to control the power output from the battery 030 to be transmitted to the third interface 012, so as to be output from the third interface 012 so as to be opposite to the earphone box 000 on the headset to charge. In one embodiment, the control circuit 020 is configured to control the power output from the battery 030 to be transmitted to the second interface 011 so as to charge the electronic device or the mobile power source.

In one embodiment, please refer to FIG. 1 , the control circuit 020 may include an adaptation circuit 021 , a charging circuit 022 and a power supply circuit 023 . The adapter circuit 021 can be electrically connected to the first interface 010 , the second interface 011 , the third interface 012 and the charging circuit 022 respectively. It is convenient for the adaptation circuit 021 to convert the electrical energy input from the first interface 010 into electrical energy received by the second interface 011 , the third interface 012 and the charging circuit 022 . For example, the adaptation circuit 021 is configured to convert the mains power received by the first interface 010 into direct current power for output from the second interface 011 and the third interface 012 . The charging circuit 022 is electrically connected to the second interface 011 , the adapter circuit 021 and the battery 030 respectively. In order for the charging circuit 022 to receive the power output from the adapter circuit 021 respectively, and transmit the power to the battery 030 to charge the battery 030 030 charge. For example, the charging circuit 022 is configured to convert the high-voltage DC power received by the second interface 011 into low-voltage DC power to charge the battery 030 . In one embodiment, the power supply circuit 023 is electrically connected to the second interface 011 , the third interface 012 and the battery 030 , respectively. In order to facilitate the power supply circuit 023 to receive the power output from the battery 030, transmit the power to the second interface 011 and the third interface 012, and output the power from the second interface 011 and the third interface 012 respectively. For example, the power supply circuit 023 is used to output the power of the battery 030 in the form of a first voltage (eg 12V) to the electronic device and/or the mobile power supply, and is used to output the power of the battery 030 in the form of a second voltage (eg 5V) give headphones. Thus, the earphone box 000 can simultaneously charge the earphone and the mobile power supply or the electronic device, for example, fast charging the mobile phone, and at the same time, the earphone is generally charged. Of course, the first voltage and the second voltage can also be the same, for example, both are 5V, for example, some mobile phones do not support fast charging.

In one embodiment, the earphone box 000 receives commercial power through the first interface 010 , and charges the earphones placed on the earphone box 000 through the adapter circuit 021 and the third interface 012 . In one embodiment, the earphone box 000 receives commercial power through the first interface 010 , and charges the electronic device and the mobile power source through the adapter circuit 021 and the second interface 011 . In one embodiment, the earphone box 000 receives commercial power through the first interface 010 , and charges the battery 030 through the adapter circuit 021 and the charging circuit 022 . In one embodiment, the earphone box 000 receives the power of the mobile power supply through the second interface 011 , and charges the battery 030 through the charging circuit 022 . In one embodiment, the earphone box 000 receives the power of the mobile power supply through the second interface 011 and charges the earphones placed on the earphone box 000 through the control circuit 020 and the third interface 012 . In one embodiment, the battery 030 of the earphone box 000 charges the earphones placed on the earphone box 000 through the power supply circuit 023 and the third interface 012 . In one embodiment, the battery 030 of the earphone box charges the power bank or the electronic device through the power supply circuit 023 and the second interface 011 .

In one embodiment, the first interface 010 of the earphone box 000, such as a plug, is connected to a socket configured with commercial power, and the adapting circuit 021 converts the commercial power into electrical energy that can pass through the charging circuit 022, the second interface 011 and the third interface 012, respectively. The transmitted electrical energy, the charging circuit 022 uses the electrical energy to charge the battery 030, the second interface 011 of the earphone box 000, such as a USB interface or a Lighting interface, outputs electrical energy to charge the electronic device or mobile power supply that is electrically connected to the second interface 011, the earphone box 000 The third interface 012 of the device, such as a pogo pin interface, outputs power to charge the earphones that are electrically connected to the third interface 012. That is, the earphone box 000 can simultaneously charge the battery 030, the electronic device or the power bank, and the earphone.

In one embodiment, the adaptation circuit 021 may include an AC/DC conversion circuit, and the AC/DC conversion circuit is used for converting commercial power into direct current power.

In one embodiment, the charging circuit 022 may include a DC/DC conversion circuit for converting direct current power of one voltage into direct current power of another voltage. For example, a DC/DC conversion circuit is used to convert the direct current power of 12V voltage into direct current power of 5V voltage.

In one embodiment, the electronic device can also be used as a mobile power supply for providing electrical energy when it does not perform special function operations.

In an embodiment, one or both of the charging circuit 022 and the power supply circuit 023 may be omitted.

In one embodiment, the battery 030 may power the normal operation of the earphone box 000 .

Please refer to FIG. 2 , which discloses a schematic diagram of a frame structure of an earphone box 000 in an embodiment of the present application. The earphone case 000 may also include a wireless charging coil 031 . The control circuit 020 may also include a wireless charging circuit 024 and a wireless power supply circuit 025 . The wireless charging circuit 024 is electrically connected to the battery 030 and the wireless charging coil 031 respectively. It is convenient for the wireless charging coil 031 to be connected with the induction coils of other devices by electromagnetic induction connection, to perform inductive communication, to realize the reception of electric energy, and to charge the battery 030 through the wireless charging circuit 024 . For example, an electronic device provided with an induction coil charges the battery 030 through the wireless charging coil 031 . The wireless power supply circuit 025 is electrically connected to the first interface 010 , the second interface 011 , the battery 030 and the wireless charging coil 031 respectively. It is convenient for the electric energy input from the first interface 010 to be transmitted to the wireless charging coil 031 through the wireless power supply circuit 025, and the wireless charging coil 031 is connected with the induction coils of other devices by electromagnetic induction connection to conduct inductive communication and realize the transmission of electric energy. For example, the wireless charging coil 031 is used to charge the electronic device provided with the induction coil, for example, the mains electric energy is used to charge the earphone provided with the induction coil through the wireless charging coil 031 . It is convenient for the electric energy input from the second interface 011 to be transmitted to the wireless charging coil 031 through the wireless power supply circuit 025, and the wireless charging coil 031 is connected with the induction coils of other devices by electromagnetic induction connection to conduct inductive communication and realize the transmission of electric energy. For example, the mobile power supply charges the electronic device provided with the induction coil through the wireless charging coil 031 , for example, the mobile power supply charges the earphone provided with the induction coil through the wireless charging coil 031 . It is convenient for the electric energy output by the battery 030 to be transmitted to the wireless charging coil 031 through the wireless power supply circuit 025, and the wireless charging coil 031 is connected with the induction coils of other devices by electromagnetic induction connection to conduct inductive communication and realize the transmission of electric energy. For example, the battery 030 is charged by the wireless charging coil 031 for the electronic device provided with the induction coil, for example, the battery 030 is charged by the wireless charging coil 031 for the earphone provided with the induction coil. In an embodiment, one of the wireless charging circuit 024 and the wireless power supply circuit 025 may be omitted.

In one embodiment, the wireless charging circuit 024 may include an AC/DC conversion circuit, and the wireless power supply circuit 025 may include a DC/AC conversion circuit and/or an AC/AC conversion circuit.

In an embodiment, please refer to FIG. 3 , which discloses a schematic diagram of a frame structure of an earphone box 000 in an embodiment of the present application. The earphone box 000 also includes a speaker 032 . The speaker 032 is used for electrical connection with the control circuit 020 . It is convenient for the speaker 032 to play the working state of the earphone box 000 , and for playing the power such as audio signal input from the second interface 011 by the electronic device. The earphone box 000 can be used as an audio device of an electronic device.

Next, an earphone is described, which can be used in the electronic system described above. Please refer to FIG. 4 , which discloses a schematic diagram of a frame structure of an earphone according to an embodiment of the present application. Specifically, headset 100 includes, but is not limited to, is configured to connect via a wired line (eg, via a public switched telephone network (PSTN), digital subscriber line (DSL), digital cable, direct cable connection, and/or another data connection/ network) and/or via a wireless interface (eg, for a cellular network, a wireless local area network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal) A headset that receives/transmits communication signals. Headphones arranged to communicate via a wireless interface may be referred to as "wireless headphones". The wireless earphone may be one earphone or multiple (two or more) earphones, such as a pair of earphones (eg, a first earphone and a second earphone).

The earphone 100 is placed on the earphone box 000 and is electrically connected to the third interface 012 . The earphone 100 may include a fourth interface 040 , an earphone control circuit 050 , an earphone battery 060 , a playback circuit 070 and a first Bluetooth circuit 071 . The fourth interface 040 is used for electrical connection with the third interface 012 on the earphone box 000, so that the power output by the third interface 012 can be input into the earphone 100 from the fourth interface 040, so that the earphone 100 can output power through the fourth interface 040, such as the earphone 100. The working status data is transmitted from the third interface 012 to the headphone box 000 . The earphone control circuit 050 is electrically connected to the fourth interface 040 , the earphone battery 060 , the playback circuit 070 and the first Bluetooth circuit 071 respectively. It is convenient for the earphone control circuit 050 to output the power input from the fourth interface 040 to the earphone battery 060 to charge the earphone battery 060 . It is convenient for the earphone control circuit 050 to control the earphone 100 according to the power input from the fourth interface 040, such as control data. It is convenient for the earphone control circuit 050 to control the earphone battery 060 to output power to the playback circuit 070 and the first Bluetooth circuit 071 to provide power for the normal operation of the playback circuit 070 and the first Bluetooth circuit 071 . It is convenient for the earphone control circuit 050 to control the power such as audio data received by the first Bluetooth circuit 071 to be played through the playback circuit 070 . It is convenient for the earphone control circuit 050 to control the first Bluetooth circuit 071 to perform Bluetooth communication with the second Bluetooth circuit in the electronic device. It is convenient for the earphone battery 060 to provide power for the earphone control circuit 050, the playback circuit 070 and the first Bluetooth circuit 071, so that the earphone 100 operates normally.

It should be noted that the terms "first", "second" and "third" in this application are only used for description purposes, and should not be interpreted as indicating or implying relative importance or indicating the indicated technical features. quantity. Thus, a feature defined as "first", "second", "third" may expressly or implicitly include at least one of that feature. In the description of the present application, "a plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

The first Bluetooth circuit 071 can be electrically connected to the playback circuit 070 . The first Bluetooth circuit 071 can be electrically connected to electronic devices with Bluetooth communication capabilities, such as mobile phones, tablet computers, notebook computers, wearable devices, and the like.

In one embodiment, the playback circuit 070 may be a speaker and/or a microphone.

In one embodiment, please refer to FIG. 4 , the earphone 100 may further include an earphone wireless charging coil 080 . The earphone control circuit 050 may include an earphone wireless charging circuit 051 , an earphone charging circuit 052 and an earphone power supply circuit 053 . The earphone wireless charging circuit 051 is electrically connected to the earphone wireless charging coil 080 and the earphone battery 060 respectively. It is convenient for the wireless charging coil 080 of the earphone to be connected with other devices such as the wireless charging coil 031 in the earphone box 000 by electromagnetic induction connection, so as to perform inductive communication and realize the reception of electric energy. It is convenient for the earphone wireless charging circuit 051 to receive the electric energy output by the earphone wireless charging coil 080 and output it to the earphone battery 060 to charge the earphone battery 060 . The earphone charging circuit 052 is electrically connected to the fourth interface 040 and the earphone battery 060 respectively. It is convenient for the electric energy output by the fourth interface 040 to charge the earphone battery 060 through the earphone charging circuit 052 . The earphone power supply circuit 053 is electrically connected to the earphone battery 060 , the playback circuit 070 and the first Bluetooth circuit 071 respectively. It is convenient for the electric energy output by the earphone battery 060 to supply power to the playback circuit 070 and the first Bluetooth circuit 071 respectively through the earphone power supply circuit 053 .

In one embodiment, both the earphone charging circuit 052 and the earphone power supply circuit 053 may include a DC/DC conversion circuit.

In one embodiment, the earphone 100 may also be a TWS (True wireless Stereo, true wireless stereo) earphone.

It can be understood that the electronic system may also include an electronic device, the electronic device is electrically connected to the earphone box 000, and the electronic device can also communicate with the earphone 100. For example, a second Bluetooth circuit may be set inside the electronic device, and the electronic device passes through the first Bluetooth circuit. 071 . The second Bluetooth circuit performs Bluetooth communication with the headset 100 .

In one embodiment, the fourth interface 040 may be a pogo pin interface such as a pogo pin, so as to be electrically connected to the third interface 012.

Next, an earphone box is described. The earphone box 200 can be used in the electronic system described above, and can also be used in the earphone box 000 in the above embodiment. Please refer to FIG. 5 , FIG. 6 and FIG. 7 . FIG. 5 discloses a schematic structural diagram of the earphone box 200 from one perspective in an embodiment of the present application, and FIG. 6 discloses a structural schematic diagram of the earphone box 200 in an embodiment of the present application from another perspective. FIG. 7 discloses an exploded exploded view of the earphone box 200 in an embodiment of the present application.

The earphone box 200 may include a first casing 10 , a second casing 20 and a circuit assembly 30 . The first casing 10 and the second casing 20 may constitute a casing of the earphone box for installing the circuit assembly 30 and for placing the earphone 100 so that the earphone box 200 charges the earphone 100 . The first casing 10 and the second casing 20 can be snapped together to form an accommodating space for accommodating the circuit assembly 30 . The second housing 20 may be used to place the earphone 100 . The circuit assembly 30 can be used to supply power to the headset 100 , to realize the communication between the electronic device and the headset 100 , to realize the communication between the electronic device and the earphone box 200 , and to supply power to the electronic device or a mobile power supply.

Please also refer to FIG. 8 , which discloses a schematic structural diagram of the first casing 10 in an embodiment of the present application. The first casing 10 can be in the shape of a casing, and its material can be an insulating material such as rubber, plastic, ceramics, and the like. The first housing 10 may include a bottom plate 11 and a side plate 12 . The side plate 12 is arranged around the bottom plate 11 and extends from the edge of the bottom plate 11 to the side of the second casing 20 .

Specifically, the bottom plate 11 may be a plate-like structure. A through hole 111 is provided in the middle position of the bottom plate 11 for installing the circuit assembly 30 . Of course, the through hole 111 can be provided at any position of the bottom plate 11 , can also be provided on the side plate 12 , and can also be provided on the second housing 20 . The specific position of the through hole 111 is not limited here. The side panel 12 may include a first side panel 121 , a second side panel 122 , a third side panel 123 and a fourth side panel 124 . The first side plate 121 , the second side plate 122 , the third side plate 123 and the fourth side plate 124 are connected end to end in sequence. Mounting holes 1211 are provided on the side plate 12 such as the first side plate 121 so as to mount the circuit assembly 30 . Of course, the mounting holes 1211 may also be provided on the bottom plate 11 or the second side plate 122 or the third side plate 123 or the fourth side plate 124 . The mounting holes 1211 may also be provided on the second housing 20 .

It can be understood that the shape of the first housing 10 can also be other shapes such as a cube, a sphere, an irregular body, and the like.

Please refer to FIG. 5 , FIG. 7 and FIG. 9 . FIG. 9 discloses a schematic structural diagram of the second housing 20 according to an embodiment of the present application. The second casing 20 can be generally a plate-like structure, and its material can be an insulating material such as rubber, plastic, ceramics, and the like. When the second casing 20 is engaged with the first casing 10 , the second casing 20 is engaged with the side plate 12 such as the first side plate 121 , the second side plate 122 , the third side plate 123 and the fourth side plate 124 . The connection can be fixed together by means of a snap structure, a screw structure, and an adhesive bond.

The second housing 20 is recessed toward the side of the first housing 10 , that is, recessed into the accommodating space to form a placement slot 21 . The shape of the placement slot 21 can be adapted to the shape of the earphone 100 so as to accommodate and fasten the earphone 100 . The circuit assembly 30 can be arranged in the accommodating space so as to charge the earphone 100 placed in the placing slot 21 so as to be able to communicate with the earphone 100 placed in the placing slot 21 . In one embodiment, the placement slot 21 may include a first placement slot 211 and a second placement slot 212, so that corresponding to the two earphones 100, the earphones 100 may be divided into a left earphone (also referred to as a "first earphone") and a left earphone. There are two right earphones (also referred to as "second earphones"), the left earphone is worn on the person's left ear, and the right earphone can be worn on the person's right ear.

Understandably, the first shell 10 and the second shell 20 can also be understood as: the first shell 10 is provided with a cavity inside, and the second shell 20 serves as a partition to divide the cavity into the first cavity (ie accommodating space) and the second cavity (ie, the placement groove 21).

Please refer to FIGS. 7 , 10 and 11 . FIG. 10 is a schematic structural diagram of the earphone box 200 from another perspective in an embodiment of the present application, and FIG. 11 is an A-A cross-sectional view of the earphone box 200 in the embodiment shown in FIG. 10 . The circuit assembly 30 may include a plug 31 , a circuit board 33 , a second interface 32 and a third interface 34 . The plug 31 , the second interface 32 and the third interface 34 are all electrically connected to the circuit board 33 .

The plug 31 can be used as the first interface 010 in the embodiments shown in FIGS. 1 , 2 and 3 , or can be replaced by the first interface 010 in the embodiments shown in FIGS. 1 , 2 and 3 . The plug 31 can be electrically connected with the commercial power. The second interface 32 can be used as the second interface 011 in the embodiment shown in FIG. 1 , FIG. 2 and FIG. 3 , or can be replaced by the second interface 011 in the embodiment shown in FIG. 1 , FIG. 2 and FIG. 3 . The second interface 32 can be electrically connected with a sub-device or a mobile power source. The control circuit 020 in the embodiment shown in FIG. 1 , FIG. 2 and FIG. 3 can be integrated on the circuit board 33 . The third interface 34 can be used as the third interface 012 in the embodiment shown in FIG. 1 and FIG. 3 , or can be replaced by the third interface 012 in the embodiment shown in FIG. 1 and FIG. 3 . The third interface 34 is used for electrical connection with the fourth interface 040 of the earphone 100 in the embodiment shown in FIG. 4 . For example, the third interface 34 is a pogo pin interface such as a pogo pin, and the fourth interface 040 is a pogo pin contact.

In one embodiment, the third interface 34 may include a first pin 341 and a second pin 342 . The first pin 341 can be installed in the first placement groove 211 , and the second pin 342 can be installed on the second placement groove 212 . Wherein, both the first pin 341 and the second pin 342 may include a charging contact and a grounding contact.

Please refer to FIG. 6 and FIG. 8 , the plug 31 can be made of metal and can conduct electricity. The plug 31 can be installed on the through hole 111 of the base plate 11 . In one embodiment, the connection between the plug 31 and the first housing 10 may be by injection molding, so that the plug 31 and the first housing 10 are integrally formed. Please refer to FIG. 6 , FIG. 8 and FIG. 11 , the second interface 32 is mounted on the side plate 12 such as the mounting hole 1211 on the first side plate 121 . The circuit board 33 can be installed in the accommodating space and installed on the side plate 12 . 7 , 9 and 11 , the third interface 34 is installed in the placement slot 21 and can be electrically connected to the fourth interface 040 of the earphone 100 when the earphone 100 is placed in the placement slot 21 to charge the earphone battery 060 .

Please refer to FIG. 12 and FIG. 13 , FIG. 12 discloses a schematic structural diagram of an earphone box 200 in another embodiment of the present application, and FIG. 13 discloses a structural schematic diagram of the earphone box 200 in the embodiment shown in FIG. 12 . The first housing 10 may include a bottom plate 11 and a side plate 12 . The bottom plate 11 is recessed to one side of the second housing 20 to form a plug slot 112 . That is, the bottom plate 11 is recessed into the accommodating space to form the plug slot 112 . The circuit assembly 30 may include a plug 31 , a second interface 32 , a circuit board 33 and a third interface 34 . One end of the plug 31 can be placed in the plug slot 112 and hinged with the first housing 10 so that the plug 31 can rotate around the hinge shaft 311 . When the plug 31 rotates around the hinge shaft 311, the plug 31 can be placed in the plug slot 112, which is convenient to carry. The plug 31 can also be screwed out of the plug slot 112 to be connected to the commercial power supply. In one embodiment, the plug slot 112 may also be provided in other positions of the first housing 10 .

That is, the plug 31 can be arranged in a first state in which it is rotated to be completely accommodated in the plug slot 112, in a second state in which one end is rotated out of the plug slot 112, and can be arranged in the first state and the second state It can be configured to be electrically connected to the commercial power supply in the second state.

Please refer to FIG. 14 , which discloses another schematic structural diagram of the earphone box 200 in an embodiment of the present application. The earphone box 200 may include a first casing 10 , a second casing 20 , a circuit assembly 30 and a third casing 40 . The first casing 10 and the second casing 20 can be snapped together to form an accommodating space for accommodating the circuit assembly 30 . The second housing 20 may be used to place the earphone 100 . The circuit assembly 30 can be used to supply power to the earphone 100 , can be used to realize the communication between the electronic device and the earphone 100 , and can be used to realize the communication between the electronic device and the earphone box 200 . The second casing 20 is located between the first casing 10 and the third casing 40 , and the third casing 40 is fastened with the second casing 20 or the first casing 10 to form a storage space. The earphone 100 is placed in the storage space. The shape of the third housing 40 may be the same as the general shape and configuration of the first housing 10 .

In one embodiment, the third casing 40 can be hinged with the first casing 10 or the second casing 20 so as to be rotatable, and the third casing 40 and the first casing 10 or the third casing 40 and the first casing can be completed. The operation of snapping and opening of the two casings 20 . That is, the third casing 40 has an open position and a closed position, when the third casing 40 is in the open position, the second cavity is leaked, and when the third casing 40 is in the closed position, the second cavity is leaked occlude. Of course, the third casing 40 can also be connected to the first casing 10 or the second casing 20 in other ways, which will not be limited here.

It can be understood that the third housing 40 is provided with a third cavity, and when the third housing 40 is engaged with the first housing 10 or the second housing 20, the second cavity is communicated with the third cavity, and the third The cavity can be used to store the transmission line.

Please refer to FIG. 15 , which discloses another schematic structural diagram of the earphone box 200 in an embodiment of the present application. It can be understood that the second casing 20 can be used as a part of the first casing 10 , that is, the first casing 10 is provided with a cavity inside, and the second casing 20 divides the cavity into the first cavity (ie the accommodating space). ) and the second cavity (ie, the placement slot 211 ), the third housing 40 is fastened with the first housing 10 , and covers the second cavity to form an accommodating space. The accommodation space may be used to accommodate the transmission line 50 .

Please refer to FIG. 16 , which discloses a schematic structural diagram of an earphone box 200 in another embodiment of the present application. The earphone box 200 may include a first casing 10 , a second casing 20 and a circuit assembly 30 . The first casing 10 and the second casing 20 can be snapped together to form an accommodating space for accommodating the circuit assembly 30 . The first housing 10 may include a bottom plate 11 and a side plate 12 . The side plate 12 can be recessed into the accommodating space to form the accommodating groove 13 , which is convenient for accommodating accessories of the electronic system such as the transmission line 50 . That is, the electronic system may further include the transmission line 50 . The transmission line 50 is used for electrical connection with the second interface 32 for electrical connection with the electronic device. It can be understood that the receiving groove 13 can also be provided on the bottom plate 11 or the second casing 20 .

Please refer to FIG. 17 , which discloses a schematic structural diagram of an earphone box 200 in another embodiment of the present application. The earphone box 200 may include the fourth housing 60 . The fourth casing 60 is fastened to the side of the first casing 10 where the plug 31 is disposed, so as to cover the plug 31 . That is, the fourth casing 60 is buckled with the first casing 10 to form a receiving space. The plug 31 is placed in the receiving space.

For the names mentioned above and below, "first case", "second case", "third case", "fourth case", "headphone box case" and "case" may be Interchangeable, for example, the "first casing" may also be referred to as the "second casing", and may also be referred to as the "casing". The third housing 40 and/or the fourth housing 60 may also be part of the earphone box housing.

In one embodiment, the plug slot 112 is used as a part of the receiving space. One end of the plug 31 can be placed in the plug slot 112 and hinged with the first housing 10 so that the plug 31 can rotate around the hinge shaft 311 . When the plug 31 rotates around the hinge shaft 311, the plug 31 can be placed in the plug slot 112, which is convenient to carry. The plug 31 can also be screwed out of the plug slot 112 to be connected to the commercial power supply.

In one embodiment, the shape of the fourth housing 60 may be the same as the general shape and configuration of the third housing 40 .

In one embodiment, the fourth casing 60 can be hinged with the first casing 10 or the second casing 20 so as to be rotatable, and the fourth casing 60 and the first casing 10 or the third casing 40 and the first casing can be completed. The operation of snapping and opening of the two casings 20 .

That is, the fourth housing 60 is used to connect with the first housing 10, the fourth housing 60 has an open position and a closed position, and when the fourth housing 60 is in the closed position, a receiving plug is formed with the first housing 10 31 and space for transmission lines.

Please refer to FIG. 17 and FIG. 18 . FIG. 18 discloses a schematic structural diagram of an earphone box 200 in another embodiment of the present application. The earphone box 200 may include a first case 10 , a second case 20 , a third case 40 and a fourth case 60 and a circuit assembly 30 . The first casing 10 and the second casing 20 can be snapped together to form an accommodating space for accommodating the circuit assembly 30 . The accommodating space formed by the fourth casing 60 and the first casing 10 is easy to accommodate the accessories of the electronic system such as the transmission line 50 .

Please refer to FIG. 19 , which discloses a schematic structural diagram of an earphone box 200 in an embodiment of the present application. Wherein, the upper outer surface of the side plate 12 of the first casing 10 is surrounded by a spiral groove 126 for placing the transmission line 50 . The transmission line 50 can be wound on the first housing 10 along the extending direction of the spiral groove 126 . At this time, the transmission line 50 will be placed in the spiral groove 126 to facilitate the user to carry the transmission line 50 . In one embodiment, the second interface 32 may be a connector at one end of the transmission line 50 , and the other end of the transmission line 50 is directly electrically connected to the circuit board 33 . That is, the transmission line 50 serves as a part of the earphone box 200 . The second interface 32 is electrically connected to the circuit board 33 via the transmission line 50 . When in use, remove the second interface 32 from the spiral groove 126, and unscrew the transmission line 50 of an appropriate length to be electrically connected to the electronic device or mobile power supply. When not in use, wrap the transmission line 50 and the second interface 32 on the first shell. body 10 and placed in the helical groove 126 .

Please refer to FIG. 20 , which discloses a schematic structural diagram of an earphone box 200 in an embodiment of the present application. The first housing 10 , such as the bottom plate 11 , is provided with a fixing groove 113 inwardly recessed near the first side plate 121 for accommodating both ends of the transmission line 50 . The first side plate 121 defines a first clamping hole 1212 and a second clamping hole 1213 at a portion opposite to the fixing groove 113 . It is convenient for the wires between the two ends of the transmission line 50 to be clamped in the first clamping hole 1212 and the second clamping hole 1213 to form an annular structure, that is, a connecting belt. It is convenient for the end of the transmission line 50 to be placed in the fixing groove 113, and the wires of the transmission line 50 are respectively placed in the first clamping hole 1212 and the second clamping hole 1213 to form a connecting belt, which is convenient for the earphone box 200 and the transmission line 50 to be hung together, suspended in the It is convenient for the earphone box 200 and the transmission line 50 to be carried by the school bag or on the user's body. In one embodiment, one of the first clamping hole 1212 and the second clamping hole 1213 may be omitted. In one embodiment, the first clamping hole 1212 and the second clamping hole 1213 can be used together with the fourth housing 60 to facilitate the stable connection between the transmission line 50 and the earphone box 200 .

In an embodiment, please refer to FIG. 21 , which discloses a schematic structural diagram of an earphone box 200 in an embodiment of the present application. A fixed interface 37 is provided on the first casing 10 , for example, the side plate 12 , so as to be matched with the second interface 32 . The fixed interface 37 is only used to fix one end of the transmission line 50 connected to the electronic device or the mobile power supply, so that one end of the transmission line 50 is connected to the second interface 32, and the other end is connected to the fixed interface 37 to form a ring structure, which is convenient to form a connection belt , it is convenient for the earphone box 200 and the transmission line 50 to be hung together, and it is convenient for the earphone box 200 and the transmission line 50 to be carried by hanging on the schoolbag or the user. In one embodiment, in order to prevent the transmission line 50 from falling off from the earphone box 200, a fixing member such as a buckle, a screw or the like may be provided for fixing.

Please refer to FIG. 22 , FIG. 23 and FIG. 24 . FIG. 22 discloses a schematic view of the structure of the earphone box 200 in another embodiment of the present application from one perspective, and FIG. 23 discloses the structure of the earphone box 200 in another embodiment of the present application from another perspective. Schematic diagram, FIG. 24 discloses a schematic cross-sectional structure diagram of the earphone box 200 in still another embodiment of the present application. The first casing 10 , for example, the third side plate 123 defines a chute 1231 . The chute 1231 communicates with the accommodating space. One end of the plug 31 is placed in the accommodating space, and a sliding key 312 is provided. The sliding key 312 is clamped in the sliding slot 1231 . The extending direction of the sliding groove 1231 is consistent with the direction of the plug 31 . When the sliding key 312 slides in the sliding groove 1231 , the plug 31 is driven to slide in the through hole 111 , so that the plug 31 can be retracted into the accommodating space, or can be extended from the accommodating space. It is convenient to carry the earphone box 200 . In one embodiment, the chute 1231 may also be provided at other positions of the first housing 10 .

That is, the other end of the plug 31 can be placed in a third state in which the plug 31 is slid into the accommodating space in the extending direction of the plug 31, and can be placed in a fourth state in which the plug 31 is slid out of the accommodating space in the extending direction of the plug 31, can be configured to move between a third state and a fourth state, and can be configured to be electrically connected to the mains when in the fourth state.

When the plug 31 is in the fourth state, the plug 31 is partially placed in the through hole 111 .

Please refer to FIG. 25 , FIG. 26 , FIG. 27 and FIG. 28 . FIG. 25 discloses a schematic structural diagram of the earphone box 200 from one perspective in an embodiment of the present application, and FIG. 26 discloses a perspective view of the earphone box 200 in an embodiment of the present application. Schematic diagram of the structure, FIG. 27 discloses a schematic cross-sectional structure diagram of the earphone box 200 in an embodiment of the present application, and FIG. 28 discloses a cross-sectional structure diagram of the earphone box 200 in an embodiment of the present application. The earphone box 200 may include a first casing 10 and a second casing 20 and a circuit assembly 30 . The first casing 10 and the second casing 20 are slidably connected. The first casing 10 includes a bottom plate 11 , a side plate 12 and a top plate 14 . The bottom plate 11 and the top plate 14 are disposed opposite to each other. The top plate 14 is connected with the side plate 12 so that the accommodating space is sealed. The top plate 14 is recessed to one side of the bottom plate 11 with a card slot 1251 for connecting with the second casing 20 . The card slot 1251 is strip-shaped. The extending direction may be from the first side plate 121 to the third side plate 123 . In one embodiment, the third side plate 123 defines an opening 1232 , so that the second casing 20 can slide into the slot 1251 from the opening 1232 to be engaged with the first casing 10 . In one embodiment, a portion of the first side plate 121 located in the card slot 1251 is provided with a first abutting port 1214 for abutting with the second housing 20 to facilitate the electrical connection between the plug 31 and the third port 34 .

In one embodiment, the second housing 20 is a housing-like structure, and a placement groove 21 is provided on one side thereof, and a slider 22 is provided on the side facing the first housing 10 . The slider 22 can be slid into the slot 1251 from the opening 1232. The slider 22 is provided with a second abutting port 221 on the side facing the first side plate 121, so that the first abutting port 1214 can be abutted, and the plug 31 can be easily placed. The third interface 34 in the slot 21 abuts.

It can be understood that the first casing 10 and the second casing 20 can be assembled and disassembled by sliding the slider 22 in the clamping slot 1251 .

The first abutting port 1214 is provided on the side where the first housing 10 abuts against the second housing 20 , and the second abutting port 221 is provided on the side where the second housing 20 abuts against the first housing 10 .

In one embodiment, the first housing 10 is provided with a plug 31 and a second interface 32 , and the second housing 20 is provided with a third interface 34 . In one embodiment, the circuit assembly 30 may be partially disposed in the first casing 10 and may be partially disposed in the second casing 20 . The circuit components 30 can be arranged according to actual needs.

In one embodiment, the first housing 10 and the second housing 20 may also be connected by other means such as magnets.

Please refer to FIG. 29 , which discloses a schematic structural diagram of an earphone box 200 in another embodiment of the present application. The earphone box 200 may include a first casing 10 , a second casing 20 and a circuit assembly 30 . The first casing 10 and the second casing 20 can be snapped together to form an accommodating space for accommodating the circuit assembly 30 . The circuit assembly 30 may include a wireless charging coil 35 , a circuit board 33 , a second interface 32 and a third interface 34 . The wireless charging coil 35 , the second interface 32 and the third interface 34 are all electrically connected to the circuit board 33 .

In one embodiment, the wireless charging coil 35 can be used as the wireless charging coil 031 in the above-mentioned embodiment shown in FIG. 2 , or can be replaced by the wireless charging coil 031 in the above-mentioned embodiment shown in FIG. 2 . The wireless charging coil 35 can be connected to an AC power source or a DC power source. The second interface 32 can be a USB interface or a Lighting interface, so as to be electrically connected with other electronic devices. Of course, the second interface 32 may also adopt other interfaces, which are not specifically limited herein. The control circuit 020 in FIG. 2 is integrated on the circuit board 33 .

In one embodiment, the third interface 34 can be used as the third interface 012 in FIG. 1 and FIG. 3 to connect with the earphone 100 .

Please refer to FIG. 30 , which discloses a schematic structural diagram of an earphone box 200 in another embodiment of the present application. A speaker 36 is provided on the circuit assembly 30 . Speaker 36 may be speaker 032 in FIG. 3 . The speaker 36 is mounted on the side of the circuit board 33 facing the second housing 20 . The second housing 20 is provided with a sound outlet 23, and the sound outlet 23 can communicate with the accommodating space.

It can be understood that the earphone box 200 is portable, and the accommodating space in the earphone box 200 is installed with the battery 030 in the embodiment shown in FIG. 1 , FIG. 2 and FIG. 3 . Inside the earphone box 200, the battery 030 is used for charging. The earphone box 200 can also be directly plugged into the mains socket to realize wired charging, and can also be wirelessly charged.

Of course, it can also be understood that the earphone box 200 can be connected to the electronic device through the transmission line 50 to charge the electronic device. Therefore, the earphone box 200 can function as an adapter, so the earphone box 200 can also be called an "adapter".

Further, some other embodiments of the present application also provide an electronic device. The electronic device can perform Bluetooth communication with the earphone 100 through the second Bluetooth circuit, and can also be electrically connected with the earphone box 200 through an interface to realize the charging of the electronic device. . Please refer to FIG. 31 and FIG. 32 together. FIG. 31 is a schematic diagram of the structure and composition of an electronic device in other embodiments of the present application, and FIG. 32 is a schematic diagram of the overall structure of the electronic device in other embodiments of the present application. The electronic device 300 may be a mobile phone, a tablet computer, a notebook computer, a wearable device, etc., and a mobile phone is used as an example in the illustration in this embodiment. The structure of the electronic device 300 may include an RF circuit 310, a memory 320, an input unit 330, a display unit 340, a sensor 350, an audio circuit 360, a wifi module 370, a processor 380, a power supply 390, a second Bluetooth circuit 410 and a fifth interface 420 etc. The RF circuit 310 , the memory 320 , the input unit 330 , the display unit 340 , the sensor 350 , the audio circuit 360 , the wifi module 370 , the second Bluetooth circuit 410 and the fifth interface 420 are respectively connected to the processor 380 . The power supply 390 is used to provide power to the entire electronic device 300 .

Specifically, the RF circuit 310 is used to send and receive signals. The memory 320 is used to store data instruction information. The input unit 330 is used for inputting information, and may specifically include a touch panel 331 and other input devices 332 such as operation keys. The display unit 340 may include a display panel 341 and the like. The sensor 350 includes an infrared sensor, a laser sensor, etc., and is used to detect a user proximity signal, a distance signal, and the like. The speaker 361 and the microphone (or microphone) 362 are connected to the processor 380 through the audio circuit 360 for sending and receiving sound signals. The wifi module 370 is used for receiving and transmitting wifi signals. The processor 380 is used for processing data information of the mobile terminal device. The second Bluetooth circuit 410 is used for connection and communication with the first Bluetooth circuit 071 of the headset 100 . The electronic device 300 can be electrically connected to the second interface 011 of the earphone box 000 in FIG. 2 or the second interface 32 of the earphone box 200 in FIG. 6 through the fifth interface 420 to realize the function of the earphone box as an adapter.

It can be understood that the above-mentioned second interface 011, the second interface 32 and the fifth interface 420 may adopt a Type-C interface, or a Type-A interface, a Type-B interface and other types of interfaces, and the USB interface will not be used here. Too restrictive.

The above descriptions are only part of the embodiments of the present application, and are not intended to limit the protection scope of the present application. Any equivalent device or equivalent process transformation made by using the contents of the description and drawings of the present application, or directly or indirectly applied to other related The technical field is similarly included in the scope of patent protection of this application.

Claims

A power transmission device, characterized in that it includes:

a casing, which has a first cavity and a second cavity which are divided and arranged, and the second cavity is used for accommodating the earphone;

a first interface, which is arranged on the casing and is used for connecting with the mains and receiving the electric energy of the mains;

a second interface, arranged on the casing, for electrically connecting with the electronic device and/or the mobile power supply and transmitting electric energy;

a third interface, located in the second cavity, for electrically connecting with the earphone and transmitting power with the earphone; and

A control circuit, located in the first cavity, is electrically connected to the first interface, the second interface and the third interface respectively, and is used for controlling the connection between the first interface and the second interface Power transmission, for controlling power transmission between the first interface and the third interface.
The power transmission device according to claim 1, wherein the control circuit comprises an adaptation circuit, and the adaptation circuit is electrically connected to the first interface, the second interface and the third interface respectively , which is used to convert the electrical energy of the commercial power into electrical energy that can be received by the electronic device or the mobile power supply or the earphone.
The power transmission device according to claim 1 or 2, wherein the control circuit is configured to control the power transmission between the second interface and the third interface, so that the electronic device and/or the The mobile power supply can charge the earphone.
The power transmission device according to claim 1 or 2, wherein the power transmission device further comprises a battery, the battery is electrically connected to the control circuit, and the battery is used for the power transmission device or the power transmission device. The headset or the electronic device or the mobile power supply provides power.
The power transmission device according to claim 4, wherein the control circuit comprises a charging circuit, and the charging circuit is electrically connected to the battery for controlling charging of the battery.
The power transmission device according to claim 5, wherein the charging circuit is electrically connected to the second interface, so that the mobile power supply or the electronic device can charge the battery.
The power transmission device according to claim 5 or 6, wherein the charging circuit is electrically connected to the adapter circuit, so that the adapter circuit can charge the battery.
The power transmission device according to claim 4, wherein the control circuit further comprises a power supply circuit, and the power supply circuit is electrically connected to the battery for controlling the battery to output power.
The power transmission device of claim 8, wherein:

The power supply circuit is electrically connected to the second interface, and is used to control the battery to provide power for the electronic device and/or the mobile power supply;

And/or, the power supply circuit is electrically connected to the third interface for controlling the battery to charge the earphone.
The power transmission device according to claim 9, wherein the power supply circuit is configured to output the power of the battery to the electronic device and/or the mobile power supply in the form of a first voltage, and is used for The power of the battery is output to the earphone in the form of a second voltage.
The power transmission device according to claim 4, wherein the power transmission device further comprises a wireless charging coil and a wireless charging circuit, and the wireless charging coil and the wireless charging circuit are both located in the first cavity, The wireless charging circuit is electrically connected to the wireless charging coil and the battery, respectively, for charging the battery;

And/or, the power transmission device further includes the wireless charging coil and a wireless power supply circuit, the wireless charging coil and the wireless power supply circuit are both located in the first cavity, and the wireless power supply circuit is respectively connected to the wireless power supply circuit. The first interface is electrically connected to the wireless charging coil, and is used to control the electrical energy of the commercial power to be output through the wireless charging coil, and/or the wireless power supply circuit is respectively connected to the second interface and the wireless charging coil Electrical connection, for controlling the power of the mobile power supply and/or the electronic device to be output through the wireless charging coil, and/or the wireless power supply circuit is respectively electrically connected to the battery and the wireless charging coil, using The power for controlling the battery is output through the wireless charging coil.
The power transmission device according to claim 2, wherein the adaptation circuit comprises: an AC/DC conversion circuit, and the AC/DC conversion circuit is configured to convert the electric power of the commercial power into direct current electric power.
The power transmission device according to claim 1, wherein the second interface is used for electrical connection with one end of a transmission line, and the other end of the transmission line is used for electrical connection with the electronic device or the mobile power supply, to transmit power with the electronic device and/or the mobile power supply; and/or the second interface includes at least one of a USB interface and a Lighting interface; and/or the first interface includes a plug interface; And/or, the third interface includes a pogo pin interface.
The power transmission device according to claim 1 or 2, wherein the power transmission device further comprises a speaker, and the speaker is electrically connected to the control circuit, and the control circuit is used to control the electronic device from the The audio signal input from the second interface is transmitted to the speaker.
A control circuit, characterized in that it includes an adaptation circuit, a charging circuit and a power supply circuit; the adaptation circuit is electrically connected to a first interface, a second interface and a third interface respectively, and is used for receiving the first interface. The mains electric energy is converted into direct current electric energy output by the second interface and the third interface; the charging circuit is electrically connected to the battery, the adapter circuit and the second interface respectively, and is used for connecting the The direct current electric energy converted by the adapter circuit is transmitted to the battery to charge the battery, and is used to transmit the electric energy received by the second interface to the battery to charge the battery; the power supply circuit is respectively connected with The second interface, the third interface and the battery are electrically connected, and are used to control the electric energy of the battery to be output through the second interface, and used to control the electric energy of the battery to be output through the third interface .
The control circuit according to claim 15, wherein the control circuit further comprises a wireless charging coil and a wireless charging circuit, and the wireless charging circuit is electrically connected to the wireless charging coil and the battery, respectively, for controlling The electric energy output by the wireless charging coil is transmitted to the battery to charge the battery;

And/or, the control circuit further includes the wireless charging coil and a wireless power supply circuit, and the wireless power supply circuit is electrically connected to the first interface and the wireless charging coil, respectively, for controlling the first interface to receive The mains power is output through the wireless charging coil, and/or the wireless power supply circuit is electrically connected to the second interface and the wireless charging coil, respectively, for the direct current power received by the second interface. It is converted into AC power and output through the wireless charging coil, and/or the wireless power supply circuit is electrically connected to the battery and the wireless charging coil respectively, and is used to convert the DC power of the battery into AC power and pass The wireless charging coil output.
The control circuit according to claim 15 or 16, wherein the second interface comprises at least one of a USB interface and a Lighting interface, and is used for electrical connection with at least one of a transmission line, an electronic device and a mobile power supply , to transmit electrical energy; and/or, the first interface includes a plug interface for electrically connecting with a mains socket to receive the mains electrical energy; and/or, the third interface includes a pogo pin interface for is electrically connected to the earphone to provide electrical energy for the earphone; and/or the adapter circuit includes an AC/DC conversion circuit for converting the commercial electrical energy into direct current electrical energy.
An adapter, characterized in that, the adapter is used to receive an earphone and can charge the earphone, and the adapter comprises the control circuit according to any one of claims 15-17, a first interface, a second interface and third interface.
An earphone charging box, characterized in that the earphone charging box includes the control circuit, a first interface, a second interface and a third interface according to any one of claims 15-17, so that the earphone charging box can be Converts mains power to DC power to transmit power to earphones, electronic devices, power banks and/or batteries.
A charging system, characterized in that it includes power transmission equipment, earphones, and transmission lines;

The power transmission device includes:

a casing, which has a first cavity and a second cavity which are divided and arranged, and the second cavity is used for accommodating the earphone;

a first interface, which is arranged on the casing and is used for connecting with the mains and receiving the electric energy of the mains;

A second interface is provided on the casing, the second interface is electrically connected to one end of the transmission line, and the other end of the transmission line is electrically connected to an electronic device or a mobile power source, so as to be connected to the electronic device and/or the mobile power supply transmits electrical energy;

a third interface, located in the second cavity and disposed on the casing, for electrically connecting with the earphone and transmitting power with the earphone; and

A control circuit, located in the first cavity and disposed on the casing, is electrically connected to the first interface, the second interface and the third interface respectively, and is used to control the first interface Power transmission with the second interface, and used to control the power transmission between the first interface and the third interface.