CN210579161U

CN210579161U - Earphone system

Info

Publication number: CN210579161U
Application number: CN201922383682.XU
Authority: CN
Inventors: 齐安宁
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-05-19
Anticipated expiration: 2029-12-26

Abstract

The utility model provides an earphone system, which comprises at least one TWS component, wherein a Bluetooth chip is arranged in the TWS component, the TWS component also comprises a first audio plug, and the first audio plug is connected with an audio signal output end of the Bluetooth chip; the headphone system further includes: the loudspeaker assembly comprises an audio interface, and the audio interface is connected with a loudspeaker; the audio cable comprises a connecting wire assembly, a first audio plug and a second audio plug, wherein one end of the connecting wire assembly is provided with the second audio plug, and the other end of the connecting wire assembly is provided with an audio terminal which can be operated and is connected with an external terminal; when the first audio plug is connected with the audio interface, the loudspeaker assembly receives the audio signal output by the Bluetooth chip and plays the audio signal through the loudspeaker; when the second audio plug is connected with the audio interface, the loudspeaker assembly receives the audio signal output by the external terminal and plays the audio signal through the loudspeaker. Through the earphone system provided by the embodiment, a user can freely combine all the functional modules according to an application scene, so that the use mode of the wireless earphone is expanded.

Description

Earphone system

Technical Field

The utility model relates to an audio equipment technical field especially relates to an earphone system.

Background

Besides the traditional earphones, the most popular current TWS earphone on the market is the true wireless Bluetooth earphone. TWS headphones have no conventional physical wires. The left earphone and the right earphone form a stereo system through the Bluetooth, and the effects of listening to music, communicating and wearing are improved. Wherein, main earphone can also independently work, and it is more convenient to use.

Meanwhile, there are some application limitations of TWS headphones. First the external audio device must also be bluetooth enabled. At present, the popularity rate of bluetooth of a smart phone is higher, but when the smart phone is matched with a computer or other terminals, the situation that a bluetooth module is not arranged in the terminal can be met, and the application of a TWS earphone is limited. Secondly, the bluetooth headset is great in distortion when playing high-fidelity audio frequency, and this is the problem that present bluetooth wireless transmission can't solve, and this also can reduce user's actual experience.

Disclosure of Invention

The utility model aims at designing and providing a brand-new headphone system, solve current TWS earphone can't match and the great problem of distortion when the broadcast high-fidelity audio frequency with the mobile terminal that does not set up bluetooth module.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

the headset system comprises at least one TWS assembly, wherein a Bluetooth chip is arranged in the TWS assembly, the TWS assembly further comprises a first audio plug, and the first audio plug is connected with an audio signal output end of the Bluetooth chip; the headphone system further includes: the loudspeaker assembly comprises an audio interface, and the audio interface is connected with a loudspeaker; the audio cable comprises a connecting wire assembly, a first audio plug and a second audio plug, wherein one end of the connecting wire assembly is provided with the second audio plug, and the other end of the connecting wire assembly is provided with an audio terminal which can be operated and is connected with an external terminal; when the first audio plug is connected with the audio interface, the loudspeaker assembly receives the audio signal output by the Bluetooth chip and plays the audio signal through the loudspeaker; when the second audio plug is connected with the audio interface, the loudspeaker assembly receives the audio signal output by the external terminal and plays the audio signal through the loudspeaker.

As an optional structural design, the audio interface includes: the audio plug comprises a first connecting end, a second audio plug and a second audio plug, wherein the first audio plug comprises a second connecting end, and the second connecting end is connected with an audio terminal through an audio signal line; when the first connecting end is connected with the audio jack, the first audio positive electrode is in contact conduction with the second audio positive electrode, and the first audio negative electrode is in contact conduction with the second audio negative electrode; when the second connecting end is connected with the audio jack, the first audio anode is in contact conduction with the third audio anode, and the first audio cathode is in contact conduction with the third audio cathode.

In order to improve the structural stability, a first magnetic attraction element is arranged in the audio jack, a second magnetic attraction element is arranged at the first connecting end, and a third magnetic attraction element is arranged at the second connecting end; the magnetism of the first magnetic attraction element is opposite to that of the second magnetic attraction element, and the magnetism of the second magnetic attraction element is the same as that of the third magnetic attraction element.

In order to improve the connection stability, another optional structure is that a first limiting clamping groove is arranged in the audio jack, a first limiting clamping hook is arranged at the first connecting end, and a second limiting clamping hook is arranged at the second connecting end; when the first connecting end is connected with the audio jack, the first limiting clamping hook extends into the first limiting clamping groove; when the second connecting end is connected with the audio jack, the second limiting clamping hook extends into the first limiting clamping groove.

As another alternative structure design, the audio interface includes: the audio device comprises a base, a first audio jack and a second audio jack, wherein the base is provided with the first audio jack and the second audio jack; the first audio jack is connected with the anode of the loudspeaker, and the second audio jack is connected with the cathode of the loudspeaker; the first audio plug comprises a first metal probe and a second metal probe, and the first metal probe and the second metal probe are respectively connected with an audio signal output end of the Bluetooth chip; the second audio plug comprises a third metal probe and a fourth metal probe, and the third metal probe and the fourth metal probe are respectively connected with the audio terminal through audio signal lines; when the first audio plug is connected with the audio interface, the first metal probe is inserted into the first audio jack, and the second metal probe is inserted into the second audio jack; when the second audio plug is connected with the audio interface, the third metal probe is inserted into the first audio jack, and the fourth metal probe is inserted into the second audio jack.

In order to improve the structural stability, a first magnetic attraction element is arranged in the first audio jack and the second audio jack, a second magnetic attraction element is arranged in the first metal probe and the second metal probe, and a third magnetic attraction element is arranged in the third metal probe and the fourth metal probe; the magnetism of the first magnetic attraction element is opposite to that of the second magnetic attraction element, and the magnetism of the second magnetic attraction element is the same as that of the third magnetic attraction element.

In order to improve the connection stability, another optional structure is that a first limiting clamping groove is arranged in the first audio jack and the second audio jack, a first limiting clamping hook is arranged on the first metal probe and the second metal probe, and a second limiting clamping hook is arranged on the third metal probe and the fourth metal probe; when the first metal probe is connected with the first audio jack and the second metal probe is connected with the second audio jack, the first limiting clamping hook extends into the first limiting clamping groove; when the third metal probe is connected with the first audio jack and the fourth metal probe is connected with the second audio jack, the second limiting clamping hook extends into the first limiting clamping groove.

As another alternative structure design, the audio interface includes: the audio jack is arranged on the base, and an internal thread is formed on the inner wall of the audio jack; a first audio positive electrode and a first audio negative electrode are arranged in the audio jack, the first audio positive electrode is connected with the positive electrode of the loudspeaker, and the first audio negative electrode is connected with the negative electrode of the loudspeaker; the first audio plug comprises a first threaded connection end with external threads formed on the outer surface, and a second audio positive electrode and a second audio negative electrode are arranged on the first threaded connection end; the second audio plug comprises a second threaded connecting end with external threads formed on the outer surface, and the second threaded connecting end is connected with the audio terminal through an audio signal line; when the first threaded connection end is in threaded connection with the audio jack, the first audio positive electrode is in contact conduction with the second audio positive electrode, and the first audio negative electrode is in contact conduction with the second audio negative electrode; when the second threaded connection end is in threaded connection with the audio jack, the first audio positive electrode is in contact conduction with the third audio positive electrode, and the first audio negative electrode is in contact conduction with the third audio negative electrode.

To improve the adaptation performance, the audio terminal is a 3.5mm audio terminal.

For providing stereo experience, the TWS component comprises a first TWS component and a second TWS component, a first audio plug is arranged on the first TWS component and the second TWS component respectively, a loudspeaker component is arranged on each first audio plug in a matched mode, and two second audio plugs matched with the loudspeaker components respectively are arranged at one end of the connecting wire component.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

through the earphone system provided by the embodiment, a user can freely combine all the functional modules according to an application scene, the TWS component and the loudspeaker component realize the wireless playing function of the TWS earphone, and the connecting wire component and the loudspeaker component realize the function of a wired earphone, so that the use mode of the wireless earphone is expanded. Due to the fact that the modular design is adopted, when the earphones are combined in pairs, the size of the whole earphone is within a normal range, and wearing experience of a user is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic block diagram of a circuit of a first embodiment of an earphone system provided by the present invention;

FIG. 2 is a schematic diagram of a first alternative configuration of the audio interface shown in FIG. 1;

FIG. 3 is a schematic diagram of a first alternative configuration of the first audio connector shown in FIG. 1;

fig. 4 is a schematic structural diagram of a first connection end of the first audio connector shown in fig. 3;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic diagram of a first alternative configuration of the second audio connector shown in FIG. 1;

FIG. 7 is a schematic diagram of a second alternative configuration of the audio interface shown in FIG. 1;

FIG. 8 is a schematic diagram of a second alternative configuration of the first audio connector shown in FIG. 1;

FIG. 9 is a schematic diagram of a second alternative configuration of the second audio connector shown in FIG. 1;

FIG. 10 is a schematic diagram of a third alternative configuration of the audio interface shown in FIG. 1;

FIG. 11 is a schematic diagram of a third alternative configuration of the first audio connector shown in FIG. 1;

FIG. 12 is a schematic view of the first threaded end of the first audio connector of FIG. 11;

FIG. 13 is a top view of FIG. 12;

FIG. 14 is a schematic view of a third alternative configuration of the second audio connector shown in FIG. 1;

fig. 15 is a schematic block diagram of a circuit of a first embodiment of an earphone system provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A schematic block diagram of the circuit principle of a newly designed earphone system is shown in fig. 1. This headphone system 1 is designed and purposefully improved based on a circuit principle model of a TWS (True Wireless Stereo) bluetooth headphone. The headphone system 1 is battery powered. In view of the use requirement matching with the external terminal not provided with the bluetooth module, it is desirable that the headphone system is also applicable to playing high-fidelity audio signals, and retains the wireless headphone function. A particular modular design is made in the headphone system 1 provided in the present embodiment. As shown in fig. 1 in particular, the headphone system 1 is integrally divided into three modules, i.e., a TWS assembly 100, and a speaker assembly 200 and a connecting wire assembly 300 provided separately from the TWS assembly 100. Wherein, a bluetooth chip 101 is disposed in the TWS assembly 100. The periphery of the bluetooth chip 101 is provided with a power supply circuit using the battery 20 as a core, and other auxiliary functional components such as the microphone 19, and the power supply circuit and the auxiliary functional components are not the improvement point of the present invention, and will not be described in further detail herein, and those skilled in the art can understand without any doubt that the power supply circuit and the auxiliary functional components can select corresponding circuits in the existing TWS headset.

The speaker assembly 200 and the TWS assembly 100 are cooperatively coupled when the wireless mode is in use. As shown in fig. 1, the speaker assembly 200 is provided with an audio interface 201 that can be connected with the TWS assembly 100 or the connecting wire assembly 300, and the audio interface 201 is connected with a speaker 202. Correspondingly, a first audio plug 102 is arranged on the TWS component 100, and the first audio plug 102 is connected with an audio signal output end of the bluetooth chip 101. When the first audio plug 102 is connected to the audio interface 201, the speaker assembly 200 receives the audio signal output by the bluetooth chip 101 and plays the audio signal through the speaker 202, the TWS assembly 100 cooperates with the speaker assembly 200, and the headset system 1 operates in a wireless mode. With the help of the bluetooth chip 101, a mobile terminal, such as a smart phone, a tablet computer, a wearable device, a sound device with a bluetooth function, and the like, which is also provided with a bluetooth module, is wirelessly connected to the TWS module 100, and then an audio signal received from the bluetooth chip 101 is played by the speaker 202 through a signal path between the audio interface 201 and the first audio plug 102.

When the wired mode is used, the speaker assembly 200 and the connecting wire assembly 300 are coupled in cooperation. A second audio plug 301 is provided at one end of the connection wire assembly 300, and an audio terminal 302 operatively connected to the external terminal 400 is provided at the other end of the connection wire assembly 300. When the audio terminal 302 is connected to the external terminal 400 and the second audio plug 301 is connected to the audio interface 201, the speaker assembly 200 receives the audio signal output by the external terminal 400 and plays the audio signal through the speaker 202, the TWS assembly 100 is engaged with the connecting wire assembly 300, and the operating mode of the earphone system 1 is the wired mode.

Taking into account the overall volume requirements of the headset. In the present invention, a new design is made for the audio interface 201, the first audio plug 102, and the second audio plug 301 at the same time. An alternative configuration is shown in figures 2 to 6. Referring to fig. 2, the audio interface 201 is mainly composed of a base 203, and an audio jack 204 is provided on the base 203. A first audio positive electrode 205 is arranged at the center of the bottom of the audio jack 204, and a first audio negative electrode 206 is arranged on the inner circumferential surface of the audio jack 204. The first audio positive electrode 205 is connected to the positive electrode of the speaker 202, and the first audio negative electrode 206 is connected to the negative electrode of the speaker 202. The base 203 is made of plastic materials through an injection molding process, and has certain elasticity and better dustproof and waterproof performance.

Referring to fig. 3 to 5, corresponding to the audio interface 201, the first audio plug 102 includes a first connection end 103, and the first connection end 103 is connected to an audio signal output end of the bluetooth chip 101. The first connection end 103 is cylindrical and has a first pogo pin 104 disposed on a top surface thereof. The first retractable probe 104 is provided with a second audio positive electrode 105, and the outer circumferential surface of the first connection end 103 is provided with a second audio negative electrode 106. When the first connection end 103 is connected to the audio jack 204, the first audio positive electrode 205 is in contact with the second audio positive electrode 105, and the first audio negative electrode 206 is in contact with the second audio negative electrode 106, so as to form an audio transmission path between the audio interface 201 and the first audio plug 102, and the earphone system can operate in a wireless mode.

Referring to fig. 6, the second audio plug 301 includes a second connection terminal 303 corresponding to the audio interface 201. The second connection terminal 303 is connected to the audio terminal 302 through an audio signal line 306. The second connection end 303 is cylindrical and has a second pogo pin 304 on its top surface. The second pogo pin 304 is provided with a third audio positive electrode (not shown), and the second connection terminal 303 is provided with a third audio negative electrode 305 on its outer circumferential surface. When the second connection terminal 303 is connected to the audio jack 204, the first audio positive electrode 205 is in contact with the third audio positive electrode, and the first audio negative electrode 206 is in contact with the third audio negative electrode 305, so as to form an audio transmission path between the audio interface 201 and the second audio plug 301, and the earphone system can operate in a wired mode.

To improve the connection stability, a first magnetic attraction element 207 is provided in the audio jack 204. A second magnetically attractive element 107 is arranged in the first connection end 103 and a third magnetically attractive element 307 is arranged in the second connection end 303. The first magnetic attraction element 207, the second magnetic attraction element 107 and the third magnetic attraction element 307 are all made of magnets with strong attraction, the magnetism of the first magnetic attraction element 207 is opposite to that of the second magnetic attraction element 107, and the magnetism of the second magnetic attraction element 107 is the same as that of the third magnetic attraction element 307, so that the connection of the audio jack 204 of the loudspeaker 202 assembly with the TWS assembly and the telescopic probe on the connecting wire assembly is completed through the attraction, a user does not need to struggle when using, and the operation is more convenient. In addition to the magnetic attraction element, another alternative is to provide a first limiting slot (not shown) in the audio jack 204, a first limiting hook (not shown) at the first connection end 103, and a second limiting hook (not shown) at the second connection end 303. When the first connection end 103 is connected to the audio jack 204, the first limiting hook extends into the first limiting slot. When the second connection end 303 is connected to the audio jack 204, the second limiting hook extends into the first limiting slot. The audio jack 204 is connected with the TWS component and the connecting wire through clamping. A depressible unlocking structure (not shown in the figure) is disposed in the audio jack 204, and the first limiting hook and the first limiting slot can be separated or the second limiting hook and the first limiting slot can be separated by depressing of a user.

As shown in fig. 7 to 9, another alternative structure is that the audio interface 201 is mainly composed of a base 203, and a first audio jack 204 and a second audio jack 205 are provided on the base 203. The terminals of the first audio jack 204 and the second audio jack 205 are directly connected to the motherboard by SMT process, wherein the first audio jack 204 is connected to the positive pole of the speaker 202 and the second audio jack 205 is connected to the negative pole of the speaker 202. And a first metal probe 104 and a second metal probe 105 are included at one end of the first audio plug 102. The first metal probe 104 and the second metal probe 105 are respectively connected with the audio signal output end of the bluetooth chip 101. The first metal probe 104 and the second metal probe are externally coated by the body 103. The body 103 is made of a plastic material by an injection molding process. Similarly, the second audio plug 301 includes a third metal probe 303 and a fourth metal probe 304, and the third metal probe 303 and the fourth metal probe 301 are respectively connected to the audio terminal 302 through an audio signal line 305. The third metal probe 303 and the fourth metal probe 304 are externally coated by a body 306. The body 306 is made of a plastic material by an injection molding process.

When the first audio plug 102 is connected to the audio interface 201, the first metal probe 104104 is inserted into the first audio jack 204, and the second metal probe 105105 is inserted into the second audio jack 205, so as to form an audio transmission path between the audio interface 201 and the first audio plug 102, and the earphone system can operate in a wireless mode. When the second audio plug 301 is connected to the audio interface 201, the third metal probe 303 is inserted into the first audio jack 204, and the fourth metal probe 304 is inserted into the second audio jack 205, so as to form an audio transmission path between the audio interface 201 and the second audio plug 301, and the headphone system can operate in a wired mode.

To improve the connection stability, a first magnetic attraction element 206 is provided in the first audio jack 204 and the second audio jack 205. A second magnetic attraction member 106 is provided in the first and second metal probes 104 and 105, and a third magnetic attraction member 307 is provided in the third and fourth metal probes 303 and 304. The first magnetic attraction element 206, the second magnetic attraction element 106 and the third magnetic attraction element 307 are all made of magnets with strong attraction, the magnetism of the first magnetic attraction element 206 is opposite to that of the second magnetic attraction element 106, and the magnetism of the second magnetic attraction element 106 is the same as that of the third magnetic attraction element 307, so that the connection of the audio jack of the loudspeaker 202 assembly and the TWS assembly and the telescopic probe on the connecting wire assembly is completed through the attraction, a user does not need to struggle when using, and the operation is more convenient. In addition to the magnetic attraction component, another alternative is to provide a first limit slot (not shown) in the first audio jack 204 and the second audio jack 205, a first limit hook (not shown) on the first metal probe 104 and the second metal probe 105, and a second limit hook on the third metal probe 303 and the fourth metal probe 304. When the first metal probe 104 is connected to the first audio jack 204 and the second metal probe 105 is connected to the second audio jack 205, the first limiting hook extends into the first limiting slot. When the third metal probe 303 is connected to the first audio jack 204 and the fourth metal probe 304 is connected to the second audio jack 205, the second limiting hook extends into the first limiting slot. The audio jack is connected with the TWS component and the connecting wire through clamping. A depressible unlocking structure (not shown in the figure) is arranged in the audio jack, and the first limiting hook can be separated from the first limiting clamping groove or the second limiting hook can be separated from the first limiting clamping groove by pressing of a user.

The third alternative audio interface 201, first audio plug 102 and second audio plug 301 are configured as shown in fig. 9-14. In this embodiment, a threaded connection is used. The main part of the audio interface 201 is formed by a base 203, and an audio jack 204 is provided on the base 203. An internal thread 205 is formed on the inner wall of the audio jack 204. The audio jack 204 is specially designed with a first audio positive pole 206 and a first audio negative pole 207. Wherein, the first audio positive electrode 206 is arranged at the center of the bottom of the audio jack 204, and the first audio positive electrode 206 is connected with the positive electrode of the speaker 202. The first audio cathode 207 is provided on the inner peripheral surface of the audio jack 204, and the first audio cathode 207 is connected to the cathode of the speaker 202. Because the first audio positive electrode 206 and the first audio negative electrode 207 are both designed in the audio jack 204, only one jack is needed to realize the connection function, which is beneficial to reducing the size of the audio interface 201 and releasing more design space of the wireless headset.

Matching with the audio interface 201, a first threaded connection end 103 is designed at one end of the first audio plug 102, and an external thread 104 is formed on the outer surface of the first threaded connection end 103. The first threaded end 103 is cylindrical and has a first pogo pin 105 disposed on a top surface thereof. The first pogo pin 105 is provided with a second audio positive electrode 106, and the first threaded end 103 is provided on its outer circumferential surface with a second audio negative electrode 107. When the first audio plug 102 is connected to the audio interface 201, the first threaded connection end 103 is in threaded connection with the audio jack 204, the first audio anode 206 arranged at the center of the bottom of the audio jack 204 is in contact conduction with the second audio anode 106 arranged on the first pogo pin 105, and the first audio cathode 207 arranged on the inner circumferential surface of the audio jack 204 is in contact conduction with the second audio cathode 107 arranged on the outer circumferential surface of the first threaded connection end 103.

And a second threaded connection end 303 is designed at one end of the second audio plug 301, and the second threaded connection end 303 is connected with an audio terminal through an audio signal line, which is matched with the audio interface 201. An external thread 305 is formed on the outer surface of the second threaded end 303. The second threaded end 303 is cylindrical and has a second pogo pin 304 on its top surface. The second pogo pin 304 is provided with a third audio positive electrode, and the outer circumferential surface of the second threaded end 303 is provided with a third audio negative electrode. When the second audio plug 301 is connected to the audio interface 201, the second threaded end 303 is in threaded connection with the audio jack 204, the second audio positive electrode 106 disposed at the center of the bottom of the audio jack 204 is in contact conduction with the third audio positive electrode disposed on the second pogo pin 304, and the first audio negative electrode 207 disposed on the inner circumferential surface of the audio jack 204 is in contact conduction with the third audio negative electrode disposed on the outer circumferential surface of the second threaded end 303.

Because the threaded connection mode is adopted, the connection between the two is more fixed and reliable. The first threaded end 103, the second threaded end 303 and the base 203 are preferably made of plastic materials by a matched injection molding process, and have good elasticity.

In the three alternative configurations described above, audio terminal 16 is preferably provided as a 3.5mm audio terminal to accommodate more external terminals 17.

Fig. 15 is a schematic block diagram of the circuit of another embodiment of the headphone system. The TWS assembly includes a first TWS assembly 100-1 and a second TWS assembly 100-2 that match common wireless headset designs. Wherein the first TWS assembly 100-1 is used as a master earpiece in a wireless mode and the second TWS assembly 100-2 is used as a slave earpiece in a wireless mode. A first audio plug is provided on each of the first and second TWS assemblies 100-1 and 100-2. Each first audio plug is configured with a speaker assembly, shown as 200-1 and 200-2. One end of the connecting wire assembly 300 is provided with a second audio plug, 301-1 and 301-2 as shown, respectively, which is mated with the two speaker assemblies. Based on the design, the user can experience the stereo playing effect in both the wireless mode and the wired mode.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An earphone system, includes at least one TWS subassembly, be provided with the bluetooth chip in the TWS subassembly, its characterized in that: the TWS component further comprises a first audio plug, and the first audio plug is connected with an audio signal output end of the Bluetooth chip;

the headphone system further includes:

a speaker assembly including an audio interface, the audio interface being connected to a speaker; and

the audio cable comprises a connecting wire assembly, a first audio plug and a second audio plug, wherein one end of the connecting wire assembly is provided with the second audio plug, and the other end of the connecting wire assembly is provided with an audio terminal which is operable to be connected with an external terminal;

when the first audio plug is connected with the audio interface, the loudspeaker assembly receives the audio signal output by the Bluetooth chip and plays the audio signal through the loudspeaker; when the second audio plug is connected with the audio interface, the loudspeaker assembly receives the audio signal output by the external terminal and plays the audio signal through a loudspeaker.

2. The headphone system of claim 1, wherein the audio interface comprises:

the audio amplifier comprises a base, wherein an audio jack is arranged on the base, a first audio positive electrode and a first audio negative electrode are arranged in the audio jack, the first audio positive electrode is connected with the positive electrode of the loudspeaker, and the first audio negative electrode is connected with the negative electrode of the loudspeaker;

when the first connecting end is connected with the audio jack, the first audio positive electrode is in contact conduction with the second audio positive electrode, and the first audio negative electrode is in contact conduction with the second audio negative electrode;

the second audio plug comprises a second connecting end which is connected with the audio terminal through an audio signal line; when the second connecting end is connected with the audio jack, the first audio positive electrode is in contact conduction with the third audio positive electrode, and the first audio negative electrode is in contact conduction with the third audio negative electrode.

3. The headphone system of claim 2,

a first magnetic attraction element is arranged in the audio jack, a second magnetic attraction element is arranged at the first connecting end, and a third magnetic attraction element is arranged at the second connecting end; the magnetism of the first magnetic attraction element is opposite to that of the second magnetic attraction element, and the magnetism of the second magnetic attraction element is the same as that of the third magnetic attraction element.

4. The headphone system of claim 2,

a first limiting clamping groove is formed in the audio jack, a first limiting clamping hook is arranged at the first connecting end, and a second limiting clamping hook is arranged at the second connecting end; when the first connecting end is connected with the audio jack, the first limiting clamping hook extends into the first limiting clamping groove; when the second connecting end is connected with the audio jack, the second limiting clamping hook extends into the first limiting clamping groove.

5. The headphone system of claim 1, wherein the audio interface comprises:

the audio device comprises a base, a first audio jack and a second audio jack, wherein the base is provided with the first audio jack and the second audio jack; the first audio jack is connected with the anode of the loudspeaker, and the second audio jack is connected with the cathode of the loudspeaker;

the first audio plug comprises a first metal probe and a second metal probe, and the first metal probe and the second metal probe are respectively connected with an audio signal output end of the Bluetooth chip; when the first audio plug is connected with the audio interface, the first metal probe is inserted into the first audio jack, and the second metal probe is inserted into the second audio jack;

the second audio plug comprises a third metal probe and a fourth metal probe, and the third metal probe and the fourth metal probe are respectively connected with the audio terminal through audio signal lines; when the second audio plug is connected with the audio interface, the third metal probe is inserted into the first audio jack, and the fourth metal probe is inserted into the second audio jack.

6. The headphone system of claim 5,

first magnetic attraction elements are arranged in the first audio jack and the second audio jack, second magnetic attraction elements are arranged in the first metal probe and the second metal probe, and third magnetic attraction elements are arranged in the third metal probe and the fourth metal probe; the magnetism of the first magnetic attraction element is opposite to that of the second magnetic attraction element, and the magnetism of the second magnetic attraction element is the same as that of the third magnetic attraction element.

7. The headphone system of claim 5,

first limiting clamping grooves are formed in the first audio jack and the second audio jack, first limiting clamping hooks are arranged on the first metal probe and the second metal probe, and second limiting clamping hooks are arranged on the third metal probe and the fourth metal probe; when the first metal probe is connected with a first audio jack and the second metal probe is connected with a second audio jack, the first limiting clamping hook extends into the first limiting clamping groove; when the third metal probe is connected with the first audio jack and the fourth metal probe is connected with the second audio jack, the second limiting clamping hook extends into the first limiting clamping groove.

8. The headphone system of claim 1, wherein the audio interface comprises:

the audio jack is arranged on the base, and internal threads are formed on the inner wall of the audio jack; a first audio positive electrode and a first audio negative electrode are arranged in the audio jack, the first audio positive electrode is connected with the positive electrode of the loudspeaker, and the first audio negative electrode is connected with the negative electrode of the loudspeaker;

the first audio plug comprises a first threaded connection end, wherein an external thread is formed on the outer surface of the first threaded connection end, and a second audio positive electrode and a second audio negative electrode are arranged on the first threaded connection end;

the second audio plug comprises a second threaded connection end with external threads formed on the outer surface, and the second threaded connection end is connected with the audio terminal through an audio signal line; a third audio positive electrode and a third audio negative electrode are arranged on the second threaded connection end;

when the first threaded connection end is in threaded connection with the audio jack, the first audio positive electrode is in contact conduction with the second audio positive electrode, and the first audio negative electrode is in contact conduction with the second audio negative electrode; when the second threaded connection end is in threaded connection with the audio jack, the first audio positive electrode is in contact conduction with the third audio positive electrode, and the first audio negative electrode is in contact conduction with the third audio negative electrode.

9. The headphone system of any of claims 1-8, wherein the audio terminal is a 3.5mm audio terminal.

10. The headphone system of claim 9 wherein the TWS assembly comprises a first TWS assembly and a second TWS assembly, wherein the first TWS assembly and the second TWS assembly each have a first audio plug, each of the first audio plugs is configured to mate with a speaker assembly, and wherein the connecting wire assembly has two second audio plugs at one end thereof that mate with the speaker assemblies.