CN114430517A

CN114430517A - Earphone assembly

Info

Publication number: CN114430517A
Application number: CN202011439514.9A
Authority: CN
Inventors: 陈剑华; 范茂斌; 刘猛
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-10-29
Filing date: 2020-12-10
Publication date: 2022-05-03
Also published as: WO2022089006A1

Abstract

The embodiment of the application provides an earphone assembly, this earphone assembly has at least one first electrode through having on the earphone, has at least one second electrode on the earphone box, and when the earphone was placed in the earphone box, first electrode and second electrode set up relatively, and form electric capacity in order to realize wireless communication between first electrode and the second electrode, can avoid the problem of the unable normal communication that leads to when the metal terminal among the prior art appears unusually in the connected state.

Description

Earphone assembly

The present application claims priority from chinese patent application filed on 29/10/2020, having application number 202011181508.8 and entitled "headset assembly", which is incorporated herein by reference in its entirety.

Technical Field

The embodiment of the application relates to the technical field of communication, in particular to an earphone assembly.

Background

With the continuous development of electronic technology and the increasing demand of users for portability, wireless headsets are gaining more and more favor of users. Generally, the wireless earphone is used in cooperation with an earphone box, and the earphone box can contain the wireless earphone and charge the wireless earphone. The TWS headset is generally composed of a headset box and a left headset and a right headset, and because of a detachable structure, a communication mechanism needs to be established between the headset and the headset box, and the communication mechanism is used for information interaction such as electric quantity information, pairing information, test information and the like.

In the prior art, corresponding electrical connectors may be respectively disposed on the wireless headset and in the headset case, and the electrical connectors are used for conducting and transmitting current. When the wireless earphone is stored in the earphone box and the electric connector on the wireless earphone is contacted with the electric connector on the earphone box, the wireless earphone can be charged and communicated through the transmission function of the electric connector. For example, at present, both the TWS headset and the headset case have metal terminals, which are electrically connected through the metal terminals, and when the TWS headset is placed in the headset case, the metal terminals on the TWS headset are in contact with the metal terminals in the headset case, so as to realize the charging function and the communication function between the TWS headset and the headset case.

However, in the above-described scheme, when an abnormality (e.g., short circuit, corrosion, etc.) occurs in the connection state of the metal terminals, normal communication cannot be performed.

Disclosure of Invention

The embodiment of the application provides an earphone assembly, which can avoid the problem that the metal terminal in the prior art cannot normally communicate when abnormal condition occurs in the connection state.

The embodiment of the application provides an earphone assembly, this earphone assembly includes: earphones and earphone boxes; the earphone is provided with at least one first electrode, and the earphone box is provided with at least one second electrode; when the earphone is placed in the earphone box, the first electrode and the second electrode are oppositely arranged, and a capacitor is formed between the first electrode and the second electrode to realize wireless communication.

The earphone subassembly that this application embodiment provided, through set up at least one first electrode on the earphone, set up at least one second electrode on the earphone box, when the earphone was placed in the earphone box, first electrode and second electrode set up relatively, constitute electric capacity between first electrode and the second electrode, according to coupling capacitance communication principle, can realize non-contact's wireless communication between earphone and the earphone box, and then solve electric quantity information, pairing information, communication interaction scheme such as test information, avoid taking place for example the problem of the unable normal communication that leads to when the metal terminal among the prior art appears unusually in connection status.

In a possible implementation manner, the earphone has two first electrodes, and the earphone box has two second electrodes; one of the two first electrodes transmits a communication signal of the headset to the headset case through one of the two second electrodes; the other of the two second electrodes transmits the communication signal of the earphone box to the earphone through the other of the two first electrodes.

Through set up two first electrodes on the earphone, set up the second electrode corresponding with two first electrodes on the earphone box, wherein, one of them person in two first electrodes transmits the communication signal of earphone to the earphone box through one of them person in two second electrodes, and another person in two second electrodes transmits the communication signal of earphone box to the earphone through another person in two first electrodes, like this, can realize carrying out the two-way communication interaction between earphone and the earphone box simultaneously at the same moment.

In a possible implementation manner, a projection area of the first electrode on the second electrode completely overlaps with the second electrode.

The projection area of the first electrode on the second electrode is completely overlapped with the second electrode, so that the first electrode and the second electrode are completely oppositely arranged, the polar plate between the first electrode and the second electrode is ensured to be the largest in the right facing area, the capacitance value can be increased, and the wireless communication transmission between the earphone and the earphone box is ensured.

In one possible implementation manner, the earphone includes an earphone body and a first main control chip arranged inside the earphone body; the first electrode is electrically connected with the first main control chip.

Through being connected first electrode and the first main control chip electricity that sets up in earphone body inside, can ensure the communication information interaction between first electrode and the first main control chip to guarantee that the communication signal of earphone transmits to the earphone box through first electrode, and guarantee that the communication signal of earphone box transmits to the earphone through first electrode.

In a possible implementation manner, a first port for electrically connecting with the first electrode is disposed on the first main control chip, and the first electrode is electrically connected with the first main control chip through the first port.

The first port used for being electrically connected with the first electrode is arranged on the first main control chip, the first electrode is electrically connected with the first main control chip through the first port, and the first electrode can be electrically connected with the first main control chip.

In one possible implementation manner, the earphone box comprises an earphone box body and a second main control chip arranged inside the earphone box body; the second electrode is electrically connected with the second main control chip.

Through being connected the second electrode with the second main control chip electricity that sets up in earphone box body inside, can ensure the communication information interaction between second electrode and the second main control chip to guarantee that the communication signal of earphone box transmits to the earphone through the second electrode, and guarantee that the communication signal of earphone transmits to the earphone box through the second electrode.

In a possible implementation manner, a second port for electrically connecting to the second electrode is disposed on the second main control chip, and the second electrode is electrically connected to the second main control chip through the second port.

The second port used for being electrically connected with the second electrode is arranged on the second main control chip, the second electrode is electrically connected with the second main control chip through the second port, and the second electrode can be electrically connected with the second main control chip.

In one possible implementation, the first electrode is located on an inner wall of the earphone body.

In a possible implementation manner, an opening is formed in an outer wall of the earphone body, and the first electrode is located in the opening.

Through being equipped with the trompil on the outer wall of earphone body, first electrode is located the trompil on the outer wall of earphone body, can save the inside space of earphone body, avoids first electrode to occupy or influence the setting and the use of the inside other original parts of earphone body.

In a possible implementation manner, an insulating layer is arranged at the position of an opening at one end of the opening hole, which is close to the outer wall of the earphone body; or an insulating layer is arranged on one surface of the first electrode facing the second electrode.

Through be provided with the insulating layer in the one end open position department that the trompil is close to the outer wall of earphone body, perhaps be provided with the insulating layer on the one side of first electrode orientation second electrode, can avoid exposed first electrode to receive influences such as sweat corruption to avoid influencing the communication signal transmission function between first electrode and the second electrode.

In a possible implementation manner, the second electrode is located on an inner wall of the earphone box body.

In one possible implementation, an insulating layer is disposed on a side of the second electrode facing the first electrode.

Through be provided with the insulating layer on the second electrode one side towards first electrode, can avoid exposed second electrode to receive influences such as sweat corruption to avoid influencing the communication signal transfer function between second electrode and the first electrode. For example, when sweat stains are attached to the earphone, if the earphone is placed in the earphone box, the sweat stains on the earphone are easily stained on the second electrode in the earphone box, and the communication signal transmission function between the second electrode and the first electrode is affected.

In a possible implementation manner, a groove is formed in the inner wall of the earphone box body, and the first electrode is located in the groove.

Through being equipped with the recess on the inner wall of earphone box body, first electrode is located the recess on the inner wall of earphone box body, can save the inside space of earphone box body, avoids the second electrode to occupy or influence the setting and the use of the inside other original parts of earphone box body.

In a possible implementation, an insulating layer is disposed at an opening position of the groove.

The opening position of the groove on the inner wall of the earphone box body is provided with the insulating layer, so that the exposed second electrode can be prevented from being affected by sweat corrosion and the like, and the communication signal transmission function between the second electrode and the first electrode is prevented from being affected. For example, when sweat stains are attached to the earphone, if the earphone is placed in the earphone box, the sweat stains on the earphone are easily stained on the second electrode in the earphone box, and the communication signal transmission function between the second electrode and the first electrode is affected.

In a possible implementation manner, the earphone is further provided with a first connecting terminal, and the earphone box is further provided with a second connecting terminal; when the earphone is placed in the earphone box, the first connecting terminal is in electric contact with the second connecting terminal, so that the earphone box supplies power to the earphone.

Through being provided with first connecting terminal on the earphone, be provided with the second connecting terminal with first connecting terminal matched with on the earphone box, when the earphone was placed in the earphone box, first connecting terminal and second connecting terminal electrical contact can be through the current transmission function between first connecting terminal and the second connecting terminal like this, make the earphone box charge to the earphone.

These and other aspects, embodiments and advantages of the exemplary embodiments will become apparent from the embodiments described hereinafter, taken in conjunction with the accompanying drawings. It is to be understood, however, that the description and drawings are only for purposes of illustration and are not intended as a definition of the limits of the embodiments of the application, for which reference should be made to the appended claims. Additional aspects and advantages of embodiments of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of embodiments of the present application. Furthermore, the aspects and advantages of the embodiments of the present application may be realized and attained by means of the instrumentalities and combinations particularly pointed out in the appended claims.

Drawings

Fig. 1 is a schematic structural diagram of an earphone assembly according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of an earphone assembly according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of an earphone assembly according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of an earphone assembly according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of an earphone assembly according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of an earphone assembly according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of an earphone assembly according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a headset in a headset assembly according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a headset in a headset assembly according to an embodiment of the present application;

fig. 10 is a signal waveform diagram of an earphone assembly provided by an embodiment of the present application in an operating state;

fig. 11 is a schematic diagram illustrating an operating principle of an earphone assembly according to an embodiment of the present application;

fig. 12 is a simplified diagram of an operating principle of an earphone assembly according to an embodiment of the present application.

Description of reference numerals:

100-an earphone assembly; 10-an earphone; 11-an earphone body; 111-opening a hole; 112-a handset portion; 113-earphone handle; 101-a first electrode; 102-a first connection terminal; 103-a first master control chip; 104-a microphone; 105-a talker; 20-earphone box; 21-earphone box body; 211-grooves; 201-a second electrode; 202-a second master control chip; 30-an insulating layer; 40-a battery; 50-a charger; 60-a booster; 701-a gravity sensor; 702-a proximity sensor; 703-a capacitive sensor; 704-a hall sensor; 705-coulometer; 80-crystal oscillator.

Detailed Description

The terminology used in the description of the embodiments of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the application, as the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

The wireless headset can be used in cooperation with electronic equipment such as a mobile phone, a notebook computer and a watch to process audio services such as media and conversation of the electronic equipment or other data services. For example, the audio service may include media services such as playing music, recording, music in a video file, background music in a game, and incoming call prompt tone for a user; the method can also comprise playing voice data of an opposite terminal for a user or collecting voice data of the user and sending the voice data to the opposite terminal under call service scenes such as telephone, WeChat voice message, audio call, video call, game, voice assistant and the like.

In the prior art, the wireless headset is used in cooperation with a headset box for accommodating the wireless headset and charging the wireless headset, and a communication mechanism needs to be established between the wireless headset and the charging box for information interaction such as electric quantity information, pairing information and test information. Therefore, the wireless earphone and the earphone box are respectively provided with corresponding electric connectors, when the wireless earphone is stored in the earphone box and the electric connectors on the wireless earphone are contacted with the electric connectors in the earphone box, the wireless earphone can be charged and communicated through the transmission function of the electric connectors. However, normally, the charging function and the communication function cannot be simultaneously performed by the electrical connector, and when an abnormality (for example, short circuit, corrosion, or the like) occurs in the connection state of the electrical connector, normal communication cannot be performed.

At present, some technologies solve the problem that the charging function and the communication function cannot be performed simultaneously by adding an electrical connector, for example, an electrical connector for charging and an electrical connector for communication are respectively provided on the wireless headset, and an electrical connector for charging and an electrical connector for communication corresponding to the wireless headset are provided in the charging box, however, in the above solutions, if an abnormality (for example, short circuit, corrosion, etc.) occurs in the electrical connector in the connection state, normal communication still cannot be performed. Moreover, as the size of the earphone is smaller and smaller, the interference problem of electrostatic discharge (ESD), surge and the like to the earphone is more and more serious, and the electric connector of the earphone exposed to the outside more easily guides high-frequency and high-voltage interference signals generated by ESD, surge and the like to the inside of the earphone, thereby possibly interfering or damaging devices and circuits inside the earphone.

Based on this, the embodiment of the application provides an earphone assembly, through having at least one first electrode on the earphone, have at least one second electrode on the earphone box, when the earphone was placed in the earphone box, first electrode and second electrode set up relatively, and form the electric capacity between first electrode and the second electrode in order to realize wireless communication, utilize coupling capacitance communication principle, can avoid the problem that the metal terminal among the prior art appears leading to unable normal communication when unusual in the connected state.

The following describes a specific structure of the earphone assembly with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present application provides a headset assembly 100, where the headset assembly 100 may include: the earphone 10 and the earphone box 20, at least one first electrode 101 is arranged on the earphone 10, at least one second electrode 201 is arranged on the earphone box 20, when the earphone 10 is placed in the earphone box 20, the first electrode 101 and the second electrode 201 are oppositely arranged, and a capacitor is formed between the first electrode 101 and the second electrode 201 to realize wireless communication.

Specifically, when the earphone 10 is placed in the earphone box 20, a capacitor is formed between the first electrode 101 and the second electrode 201, according to the coupling capacitor communication principle, non-contact wireless communication can be achieved between the earphone 10 and the earphone box 20, and then communication interaction schemes such as electric quantity information, pairing information and test information can be solved, and the problem that normal communication cannot be achieved when a metal terminal in the prior art is abnormal in a connection state is avoided.

Among them, it is easily understood that data exchange of wireless communication such as Bluetooth (BT), Global Navigation Satellite System (GNSS), Wireless Local Area Network (WLAN), wireless fidelity (Wi-Fi) network, Frequency Modulation (FM), short-range wireless communication (NFC), Infrared (IR) technology, etc. is included between the first electrode 101 and the second electrode 201. That is, the earphone 10 can pair with the first electrode 101 and the second electrode 201 of the earphone box 20 and establish a wireless connection, so as to realize the data exchange of the wireless communication.

In the embodiment of the present application, the arrangement of the first electrode 101 and the second electrode 201 includes, but is not limited to, the following two possible implementations:

one possible implementation is: as shown in fig. 1, each earphone 10 has a first electrode 101, each earphone box 20 has a second electrode 201, the first electrode 101 transmits the communication signal of the earphone 10 to the earphone box 20 through the second electrode 201, and the second electrode 201 transmits the communication signal of the earphone box 20 to the earphone 10 through the first electrode 101.

That is, only one pair of electrode combinations is formed on the earphone 10 and the earphone case 20, i.e., a low power consumption wireless communication scheme of a half duplex mode is formed. Half-duplex communication means that data can be transmitted in both directions, but one channel can only allow one-way transmission at the same time, and is therefore also referred to as bidirectional alternate communication. If the transmission direction needs to be changed, a switch is needed to switch, and the half-duplex mode requires a transmitting device and a receiving device at both transmitting and receiving ends, so that the mode needs to frequently change the channel direction, thereby having low efficiency, but saving the transmission line.

Another possible implementation is: as shown in fig. 2, the earphone 10 has two first electrodes 101, the earphone box 20 has two second electrodes 201, one of the two first electrodes 101 transmits the communication signal of the earphone 10 to the earphone box 20 through one of the two second electrodes 201, and the other of the two second electrodes 201 transmits the communication signal of the earphone box 20 to the earphone 10 through the other of the two first electrodes 101.

That is, the electrode combination on the earphone 10 and the earphone box 20 may be extended to two pairs, that is, a low power consumption wireless communication scheme of a full duplex mode is formed by the two pairs of electrode combination. Full duplex means that at any time during communication, there can be simultaneous bidirectional signal transmission from a to B and B to a on the line. In full duplex mode, a transmitter and a receiver are provided at each end of the communication system, thereby enabling control of data transfer in both directions simultaneously. The full duplex mode does not require a direction switch and therefore there is no time delay associated with the switching operation, which is advantageous for interactive applications (e.g., remote monitoring and control systems) where there is no time delay.

In this embodiment, two first electrodes 101 are disposed on the earphone 10, and second electrodes 201 corresponding to the two first electrodes 101 are disposed on the earphone box 20, wherein one of the two first electrodes 101 transmits a communication signal of the earphone 10 to the earphone box 20 through one of the two second electrodes 201, and the other of the two second electrodes 201 transmits a communication signal of the earphone box 20 to the earphone 10 through the other of the two first electrodes 101, so that bidirectional communication interaction between the earphone 10 and the earphone box 20 can be simultaneously performed at the same time.

In one possible implementation, the two first electrodes 101 on the earphone 10 may be disposed discretely on the earphone 10. The dispersed arrangement means that the distance between the two first electrodes 101 on the earphone 10 can be greater than or equal to a preset value. That is, both the first electrodes 101 are not disposed at the side of the earphone 10, only one first electrode 101 is disposed at the side of the earphone 10, and the other first electrode 101 disposed apart from the first electrode 101 is disposed at the bottom of the earphone 10, or the two first electrodes 101 may be disposed apart from each other at a relatively large distance at the side of the earphone 10. In this way, the inside of the earphone 10 can have more sufficient space for arranging more other components, and the mutual influence between two adjacent first electrodes 101 can be reduced to some extent.

Of course, in some other embodiments, the electrode combinations on the earphone 10 and the earphone box 20 may be expanded to form more pairs, and the electrode combinations of more pairs form a low power consumption wireless communication scheme in a full duplex mode, so as to meet more functional requirements.

In practical applications, taking the earphone 10 as the transmitting terminal a and the earphone box 20 as the receiving terminal B as an example, when the earphone 10 initiates communication, the alternating current signal may implement wireless communication through the coupling capacitor formed between the first electrode 101 and the second electrode 201. Moreover, in an actual application scenario, taking the earphone 10 as the a end and the earphone box 20 as the B end as an example, referring to fig. 10, a dotted line in the diagram is a waveform diagram sent by the a end, and a solid line is a waveform diagram received by the B end, when the a end initiates communication, an alternating current signal can pass through a coupling capacitor formed by two electrodes, so as to implement an application scenario of wireless communication, and therefore, in an actual application, a capacitance value between the first electrode 101 and the second electrode 201 can be flexibly adjusted according to a communication frequency and a voltage amplitude of a sending end or a receiving end, so as to obtain an optimal communication effect.

It is easy to understand that, according to the calculation formula of capacitance value: c ═ S/d and C ═ S rS/4 pi kd, where e and er are the dielectric constants of the dielectrics between the two electrodes forming the capacitance, S is the facing area between the two electrodes forming the capacitance, d is the distance between the two electrodes forming the capacitance, and k is the constant of the electrostatic force, it can be seen that the capacitance value formed between the two electrodes is larger as the facing area S between the two electrodes is larger; when the distance d between the two electrodes is smaller, the capacitance value of the capacitor formed between the two electrodes is larger. Therefore, in a practical application scenario, the capacitance value of the capacitor can be adjusted by adjusting the facing area S between the two electrodes and the distance d between the two electrodes. Even further, the capacitance can be adjusted by changing the medium between the two electrodes to adjust the desired dielectric constants ε and ε r.

In a possible implementation manner, the projection area of the first electrode 101 on the second electrode 201 completely overlaps with the second electrode 201, and exemplarily, as shown in fig. 1, the first electrode 101 on the earphone 10 and the second electrode 201 on the earphone box 20 are completely opposite to each other. As shown in fig. 3, the projection area of the first electrode 101 on the second electrode 201 only partially overlaps with the second electrode 201, i.e. the first electrode 101 on the earphone 10 and the second electrode 201 on the earphone box 20 are only partially disposed opposite to each other.

Compared with the earphone assembly 100 shown in fig. 3, the earphone assembly 100 shown in fig. 1 completely overlaps the second electrode 201 through the projection area of the first electrode 101 on the second electrode 201, and can ensure that the first electrode 101 and the second electrode 201 are completely arranged oppositely, so that the facing area S between the polar plates between the first electrode 101 and the second electrode 201 is the largest, thereby increasing the capacitance value, ensuring the transmission of wireless communication between the earphone 10 and the earphone box 20, and improving the communication effect between the earphone 10 and the earphone box 20.

Further, in the embodiment of the present application, the earphone 10 may include an earphone body 11 and a first main control chip (not shown in the figure) disposed inside the earphone body 11, wherein the first electrode 101 is electrically connected to the first main control chip. Through being connected first electrode 101 with the first main control chip electricity that sets up in earphone body 11 inside, can ensure the communication information interaction between first electrode 101 and the first main control chip to guarantee that the communication signal of earphone 10 transmits to earphone box 20 through first electrode 101, and guarantee that the communication signal of earphone box 20 transmits to earphone 10 through first electrode 101.

As an alternative embodiment, a first port (not shown in the figure) for electrically connecting to the first electrode 101 may be disposed on the first main control chip, and the first electrode 101 is electrically connected to the first main control chip through the first port. The first port used for being electrically connected with the first electrode 101 is arranged on the first main control chip, the first electrode 101 is electrically connected with the first main control chip through the first port, and the first electrode 101 can be electrically connected with the first main control chip.

Or, if the first main control chip in the earphone 10 itself has a redundant first port for electrically connecting the first main control chip and the first electrode 101, the port may not be separately provided in the embodiment of the present application, so as to save the cost.

For example, the first electrode 101 may be electrically connected to a General Purpose Input/Output (GPIO) of a first main control chip of the earphone 10, and the earphone 10 may serve as a transmitting end or a receiving end. It should be noted that the first port includes, but is not limited to, GPIO, and other buses such as I2C (Inter-Integrated Circuit), I3C (Improved Inter-Integrated Circuit), sound wire (SoundWire), Low power consumption Inter-chip Media Bus (SLIMbus), etc., which are not limited by the embodiments of the present application. The I2C bus is used to connect the microcontroller and its peripheral equipment, the I3C bus is the improved I2C bus, the SLIMbus is an audio interface used to connect the baseband/application processor and audio chip, the bus protocol ensures to send both control information and data information, thus it can replace the traditional two interfaces of data and control.

In this embodiment, the earphone box 20 may include an earphone box body 21 and a second main control chip (not shown in the figure) disposed inside the earphone box body 21, wherein the second electrode 201 is electrically connected to the second main control chip to electrically connect the second electrode 201 to an internal circuit of the earphone box body 21. Through being connected second electrode 201 with the second main control chip electricity that sets up in earphone box body 21 is inside, can ensure the communication information interaction between second electrode 201 and the second main control chip to guarantee that the communication signal of earphone box 20 transmits to earphone 10 through second electrode 201, and guarantee that the communication signal of earphone 10 transmits to earphone box 20 through second electrode 201.

As an alternative embodiment, a second port (not shown in the figure) for electrically connecting with the second electrode 201 may be disposed on the second main control chip, and the second electrode 201 is electrically connected with the second main control chip through the second port. The second port used for being electrically connected with the second electrode 201 is arranged on the second main control chip, and the second electrode 201 is electrically connected with the second main control chip through the second port, so that the second electrode 201 can be electrically connected with the second main control chip.

Or, if the second main control chip in the earphone box 20 itself has a redundant second port for electrically connecting the second main control chip and the second electrode 201, the port may not be separately provided in the embodiment of the present application, so as to save the cost.

For example, the second electrode 201 may be electrically connected to a General Purpose Input/Output (GPIO) of a second main control chip of the earphone box 20, and the earphone box 20 may serve as a transmitting end or a receiving end. It should be noted that the second port includes, but is not limited to, GPIO, and other buses such as I2C (Inter-Integrated Circuit), I3C (Improved Inter-Integrated Circuit), sound wire (SoundWire), Low power consumption Inter-chip Media Bus (SLIMbus), etc., which are not limited by the embodiments of the present application.

In addition, in the embodiment of the present application, the specific location of the first electrode 101 on the earphone 10 includes, but is not limited to, the following possible implementations:

one possible implementation is: as shown in fig. 1, the first electrode 101 is located on the inner wall of the earphone 10.

Another possible implementation is: as shown in fig. 4, the outer wall of the earphone 10 may be provided with an opening 111, and the first electrode 101 is located in the opening 111. Through being equipped with trompil 111 on the outer wall of earphone 10, first electrode 101 is located trompil 111 on the outer wall of earphone 10, can save the inside space of earphone 10, avoids first electrode 101 to occupy or influence the setting and the use of other original parts inside earphone 10.

Yet another possible implementation is: as shown in fig. 5, an opening 111 may be formed on the outer wall of the earphone 10, the first electrode 101 is located in the opening 111, and the opening 111 is provided with an insulating layer 30 at an opening position near one end of the outer wall of the earphone 10, or the insulating layer 30 is provided on a surface of the first electrode 101 facing the second electrode 201. By providing the insulating layer 30 at the opening position of the opening 111 near the outer wall of the earphone 10, or by providing the insulating layer 30 on the surface of the first electrode 101 facing the second electrode 201, the exposed first electrode 101 can be prevented from being affected by sweat corrosion, and the like, so that the communication signal transmission function between the first electrode 101 and the second electrode 201 is prevented from being affected.

Also, in the embodiment of the present application, the specific location of the second electrode 201 on the earphone box 20 includes, but is not limited to, the following possible implementation manners:

one possible implementation is: as shown in fig. 1, the second electrode 201 is located on the inner wall of the earphone box 20.

Another possible implementation is: (not shown in the figure) the second electrode 201 is located on the inner wall of the earphone box 20, and an insulating layer 30 may be disposed on a surface of the second electrode 201 facing the first electrode 101. By providing the insulating layer 30 on the surface of the second electrode 201 facing the first electrode 101, the second electrode 201 exposed to the outside can be prevented from being affected by sweat corrosion or the like, and the communication signal transmission function between the second electrode 201 and the first electrode 101 can be prevented from being affected. For example, when sweat stains are attached to the earphone 10, if the earphone 10 is placed in the earphone box 20, the sweat stains on the earphone 10 are easily stained on the second electrode 201 in the earphone box 20, which affects the transmission function of the communication signal between the second electrode 201 and the first electrode 101.

Yet another possible implementation is: as shown in fig. 4, a groove 211 may be formed on an inner wall of the earphone box 20, and the second electrode 201 is located in the groove 211. Through being equipped with recess 211 on earphone box 20's inner wall, second electrode 201 is located the recess 211 on earphone box 20's inner wall, can save the inside space of earphone box 20, avoids second electrode 201 to occupy or influence the setting and the use of the inside other original parts of earphone box 20.

Yet another possible implementation is: as shown in fig. 5, a groove 211 may be formed on an inner wall of the earphone box 20, the second electrode 201 is located in the groove 211, and the insulating layer 30 is disposed at an opening position of the groove 211. Through being provided with insulating layer 30 in the opening position department of recess 211 on the inner wall of earphone box 20, can avoid exposed second electrode 201 to receive influences such as sweat corruption to avoid influencing the communication signal transfer function between second electrode 201 and first electrode 101. For example, when sweat stains are attached to the earphone 10, if the earphone 10 is placed in the earphone box 20, the sweat stains on the earphone 10 are easily stained on the second electrode 201 in the earphone box 20, which affects the transmission function of the communication signal between the second electrode 201 and the first electrode 101.

In some embodiments, the insulating layer 30 may be an insulating varnish. The insulating paint can prevent the exposed first electrode 101 or the second electrode 201 from being affected by sweat corrosion and the like, so that the communication signal transmission function between the first electrode 101 and the second electrode 201 is prevented from being affected.

In addition, referring to fig. 8 or fig. 9, in the embodiment of the present application, the earphone body 11 may include an earphone portion 112 and an earphone handle 112, wherein as an alternative implementation, the first electrode 101 may be disposed on a side of the earphone handle 113 away from the earphone portion 112, for example, in fig. 8, the first electrode 101 is disposed on an inner wall of the earphone handle 113 on the side away from the earphone portion 112, in fig. 9, an opening 111 may be disposed on an outer wall of the earphone handle 113 on the side away from the earphone portion 112, and the first electrode 101 is disposed in the opening 111, that is, the first electrode 101 is disposed on the side of the earphone handle 113 away from the earphone portion 112.

It can be understood that the above-mentioned arrangement may implement wireless communication interaction between the earphone 10 and the earphone box 20, and the charging function between the earphone 10 and the earphone box 20 may be implemented by providing an electrical connector, for example, a first electrical connector is provided on the earphone 10, a second electrical connector corresponding to the first electrical connector is provided on the earphone box 20, and when the earphone 10 is stored in the earphone box 20 and the first electrical connector on the earphone 10 is in contact with the second electrical connector in the earphone box 20, charging of the earphone 10 may be completed through a transmission function of the electrical connector.

Referring to fig. 11, a first main control chip 103 in the earphone 10 is electrically connected to the first electrode 101, a second main control chip 202 in the earphone box 20 is electrically connected to the second electrode 201, and a capacitor is formed between the first electrode 101 and the second electrode 202 to implement communication interaction. The earphone 10 is also provided with a battery 40 and a charger 50 connected with the battery 40, the charger 50 connected with the battery 40 and the explosion expander 60 connected with the charger 50 are arranged in the earphone box, and when the charger 50 in the earphone 10 is electrically connected with the explosion expander 60 in the earphone box 20, the function of charging the earphone 10 by the earphone box 20 can be realized. In addition, as shown in fig. 11, the first main control chip 103 may further include a microphone 104, a Speaker 105 (also called Speaker), a gravity sensor 701 (also called G sensor), a proximity sensor 702 (also called P sensor), a capacitance sensor 703 (also called CAP sensor), a HALL sensor 704 (also called HALL sensor), a coulometer 705 (also called Gauge), and a crystal oscillator 80 (also called crystal). The crystal oscillator 80 may also be connected to the second main control chip 202. In some embodiments, the crystal oscillator 80 connected to the first main control chip 103 may be 26MHz, and the crystal oscillator 80 connected to the second main control chip 202 may be 8 MHz.

Taking the earphone 10 as the a terminal and the earphone box 20 as the B terminal as an example, in one possible implementation manner, as shown in fig. 12, a capacitance C formed between the a terminal and the B terminal is 100nF, and in addition, a resistor may be disposed in the earphone box 20, for example, in fig. 12, the resistor R may be 10k, and the resistor may play a role of filtering in a communication circuit to prevent signal interference.

As an optional implementation manner, referring to fig. 6, a first connection terminal 102 is further disposed on the earphone 10, and a second connection terminal (not shown in the figure) is further disposed on the earphone box 20, and when the earphone 10 is placed in the earphone box 20, the first connection terminal 102 is in electrical contact with the second connection terminal, so that the earphone box 20 supplies power to the earphone 10. By providing the first connection terminal 102 on the earphone 10 and the second connection terminal matched with the first connection terminal 102 on the earphone box 20, when the earphone 10 is placed in the earphone box 20, the first connection terminal 102 is electrically contacted with the second connection terminal, so that the earphone box 20 can charge the earphone 10 through the current transmission function between the first connection terminal 102 and the second connection terminal.

The first connection terminal 102 of the earphone 10 and the second connection terminal of the earphone case 20 are used for electrical connection, and may be made of various conductive materials, such as metal, for example, copper, and the specific materials are not limited in the embodiments of the present application. For example, in some embodiments, the first connection terminal 102 of the earphone 10 and the second connection terminal of the earphone case 20 may be made of alloy to improve oxidation resistance. For example, in some aspects, may be fabricated from copper, nickel, and silver alloys; in other embodiments, the material may be made from phosphor and bronze alloys; in other embodiments, different alloys may be used.

In other embodiments, the outer surfaces of the first connection terminal 102 of the earphone 10 and the second connection terminal of the earphone case 20 may be plated with anti-corrosion metal (e.g., gold, silver, etc.) to improve the anti-corrosion strength.

And, optionally, the space between the first connection terminal 102 of the earphone 10 and the space between the second connection terminal of the earphone box 20 and the earphone box 20 may be liquid-tight, so as to have a high waterproof level.

It should be noted that, in the embodiment of the present application, the first connection terminal 102 may be disposed at the bottom of the earphone 10 (see fig. 6), and the second connection terminal is disposed at the bottom of the earphone box 20, that is, at a position on the earphone box 20 corresponding to the first connection terminal 102. Alternatively, referring to fig. 7, the first connection terminal 102 may be disposed at a side portion of the earphone 10, and the second connection terminal may be disposed at a side portion of the earphone box 20, that is, at a position corresponding to the first connection terminal 102 on the earphone box 20. The specific arrangement positions of the first connection terminal 102 and the second connection terminal are not limited in the embodiments of the present application, and are not limited to the above examples, as long as the purpose of electrical contact can be achieved and the function of charging can be achieved.

When only one first connection terminal 102 is disposed at the bottom of the earphone 10, the space at the bottom of the whole earphone 10 can be used for disposing the first connection terminal 102, so that the area of the first connection terminal 102 is large, the contact area with the second connection terminal in the earphone box 20 is large during charging, the contact performance is good, the contact resistance is small, and the charging efficiency is high.

As an alternative embodiment, the second connection terminal in the battery case 20 may be a pogo pin, the first connection terminal 102 on the earphone 10 may be a conductive block or pad, and when the first connection terminal 102 is a conductive patch, the second connection terminal may also be a conductive pad or contact pad. In this way, the first connection terminal 102 of the earphone 10 and the second connection terminal of the battery pack 20 can be electrically connected by surface contact, direct insertion, screw connection, bayonet connection, and the like.

In summary, in the embodiment of the present application, an electrode is respectively disposed on the earphone 10 and the charging box 20, a capacitor is formed by the two electrodes and the dielectric material therebetween, and a non-contact wireless communication is implemented between the earphone 10 and the charging box 20 by using a capacitive communication principle, so as to solve interaction schemes such as electric quantity information, pairing information, test information, and the like. Compared with the prior art, the earphone 10 and the earphone box 20 in the embodiment of the present application can realize simultaneous communication and charging without presenting more metal connection terminals to the outside.

And moreover, through the cooperation of different electrodes, a low-power-consumption wireless communication scheme in a half-duplex or full-duplex mode can be formed, meanwhile, non-contact wireless communication can be realized only by arranging the electrodes and the interfaces of the main control chip, and even when the main control chip has the interfaces, the interfaces for electrically connecting the electrodes can not be independently arranged, so that the cost is low, and the wireless communication scheme is low in cost.

In addition, in order to further solve the problem caused by the exposure of the first connection terminal 102 of the earphone 10 and reduce the influence of high-frequency and high-voltage interference signals such as ESD and surge, an anti-interference device may be further added inside the earphone 10 in the embodiment of the present application, so that the electrical signal input by the first connection terminal 102 of the earphone 10 may be accessed to the circuit system inside the earphone 10 after passing through the anti-interference device. The anti-interference device can be used to suppress high-frequency and high-voltage interference signals such as ESD and surge introduced from the outside to the first connection terminal 102, reduce interference and influence of these interference signals on the circuit system of the earphone 10, and improve the stability of the earphone 10 system. The interference suppression device may attenuate, absorb or filter the high-frequency and high-voltage interference signals, so that the high-frequency and high-voltage interference signals lose the high-frequency and high-voltage characteristics, thereby reducing the influence on the devices in the circuit of the earphone 10.

It is to be understood that the illustrated structure of the embodiment of the present application does not constitute a specific limitation to the earphone assembly 100. In other embodiments of the present application, the earphone assembly 100 may include more or fewer components than shown, or some components may be combined, some components may be separated, or a different arrangement of components. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.

Illustratively, earphone box 20 may have one or more magnets inside to attract earphone 10 into a cavity within earphone box 20 and to act to prevent earphone 10 from becoming detached or falling out of earphone box 20. In some embodiments, earphone box 20 may further include a box power module that may supply power to the electrical components in earphone box 20, for example, a second connection terminal within earphone box 20 may be electrically connected to the box power module for conducting and transmitting current.

In other embodiments, the earphone box 20 may further be provided with at least one touch control, and the touch control may be used to trigger the earphone to perform functions such as resetting the earphone in pairs or charging the earphone. Earphone box 20 may also be provided with one or more power indicator lights to indicate to the user the amount of power in the battery of earphone box 20, and the amount of power in the battery of each earphone 10 in earphone box 20.

And, in other embodiments, headphone case 20 may further include a processor, memory, etc. therein. The memory may be used to store application program code and be controlled by the processor of headphone case 20 for execution to implement the various functions of headphone case 20. For example. The processor of headphone case 20, by executing application code stored in the memory, charges headphone 10, etc. upon detecting that headphone 10 is placed into headphone case 20 and the lid of headphone case 20 is closed.

For another example, earphone box 20 may further be provided with a charging interface for earphone box 20 to charge its battery. A wireless charging coil may also be included in earphone box 20 for wirelessly charging the battery of earphone box 20 itself. It is understood that the earphone box may also include other components, which are not described one by one here.

In addition, the outer surface of the earphone 10 may further include: the touch sensor can be used for detecting touch operation of a user, the fingerprint sensor can be used for detecting fingerprints of the user, identifying identity of the user and the like, and the ambient light sensor can adaptively adjust parameters (such as volume) according to perceived brightness of ambient light.

And in other embodiments, the outer surface of the headset 10 may further include keys, indicator lights (which may indicate the status of power, incoming/outgoing calls, pairing modes, etc.), a display screen (which may prompt the user for relevant information), a dust screen (which may be used with the headset), and the like. The key may be a physical key or a touch key (used in cooperation with the touch sensor), and is used for triggering operations such as startup, shutdown, pause, play, recording, starting charging, stopping charging, and the like.

In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

Reference throughout this specification to apparatus or components, in embodiments or applications, means or components must be constructed and operated in a particular orientation and therefore should not be construed as limiting the present embodiments. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically stated otherwise.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the embodiments of the application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present application, and are not limited thereto; although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An earphone assembly, comprising:

earphones and earphone boxes;

the earphone is provided with at least one first electrode, and the earphone box is provided with at least one second electrode;

when the earphone is placed in the earphone box, the first electrode and the second electrode are oppositely arranged, and a capacitor is formed between the first electrode and the second electrode to realize wireless communication.

2. The headset assembly of claim 1, wherein the headset has two first electrodes thereon and the headset case has two second electrodes thereon;

one of the two first electrodes transmits a communication signal of the headset to the headset case through one of the two second electrodes;

the other of the two second electrodes transmits the communication signal of the earphone box to the earphone through the other of the two first electrodes.

3. The earphone assembly according to claim 1 or 2 wherein the projected area of the first electrode on the second electrode completely overlaps the second electrode.

4. The headset assembly of any one of claims 1-3, wherein the headset comprises a headset body and a first master control chip disposed inside the headset body;

the first electrode is electrically connected with the first main control chip.

5. The earphone assembly according to claim 4, wherein a first port is disposed on the first main control chip for electrically connecting with the first electrode, and the first electrode is electrically connected with the first main control chip through the first port.

6. The earphone assembly according to any one of claims 1-5, wherein the earphone box comprises an earphone box body and a second main control chip arranged inside the earphone box body;

the second electrode is electrically connected with the second main control chip.

7. The earphone assembly according to claim 6, wherein a second port is disposed on the second main control chip for electrically connecting with the second electrode, and the second electrode is electrically connected with the second main control chip through the second port.

8. The earphone assembly of any of claims 4-7 wherein the first electrode is located on an inner wall of the earphone body.

9. The earphone assembly according to any one of claims 4-7 wherein the outer wall of the earphone body is provided with an opening, the first electrode being located in the opening.

10. The earphone assembly of claim 9 wherein the opening is provided with an insulating layer at a position close to an opening at one end of the outer wall of the earphone body;

or an insulating layer is arranged on one surface of the first electrode facing the second electrode.

11. The earphone assembly according to any of claims 4-10 wherein the second electrode is located on an inner wall of the earphone box body.

12. The earphone assembly of claim 11 wherein the second electrode has an insulating layer disposed on a side thereof facing the first electrode.

13. The earphone assembly according to any one of claims 4-10, wherein a groove is provided on an inner wall of the earphone box body, and the first electrode is located in the groove.

14. The earphone assembly of claim 13 wherein an insulating layer is disposed at the location of the opening of the recess.

15. The earphone assembly according to any one of claims 1-14 wherein the earphone is further provided with a first connection terminal and the earphone case is further provided with a second connection terminal;

when the earphone is placed in the earphone box, the first connecting terminal is in electric contact with the second connecting terminal, so that the earphone box supplies power to the earphone.