CN206077635U - Earphone, expansion module and agent structure - Google Patents

Abstract

This utility model discloses a kind of earphone, expansion module and agent structure, the earphone includes agent structure and an at least expansion module, wherein, the agent structure includes audio interface, audio frequency playback component and connecting line, the audio interface is connected by the connecting line with audio frequency playback component, and an at least expansion interface is provided with the audio interface；An at least module interface and expanded function unit are provided with the expansion module, the module interface is electrically connected with expanded function unit, and the module interface is matched with the expansion interface；When at least described in one module interface with least described in one, expansion interface is electrically connected when, realize conducting for the expansion module and the agent structure, it is possible to achieve the selection application between several functions, so as to improve the integrated level of equipment.

Description

Earphone, expansion module and agent structure

Technical field

This utility model is related to audio devices technical field, more particularly to a kind of earphone, expansion module and body junction Structure.

Background technology

Earphone is indispensable peripheral electronic device in modern electronic equipment (mobile phone or panel computer etc.).Traditional Headset includes headset plug, audio frequency playback component, (general for connecting the connecting line of the headset plug and audio frequency playback component For four Mike line MIC, ground wire GND, left tone frequency channel wire HPL and right tone frequency channel wire HPR) and be attached on connecting line panel (bag Microphone chip and line control machine are included, for actuation of keys is uploaded from Mike's line MIC with characteristic signal), traditional headset Structure is standard and traditional design the most, most widely used.

It is due to the excellent tonequality of traditional stereophone, durable, the advantages of inexpensive, it is widely used.But, So far, the integrated level of the peripheral electronic device such as earphone is low, i.e., such earphone can not realize Function Extension.In hyundai electronicses skill Today that art is developed rapidly, the chip of the function of various higher, renewals continuously emerge, but in order to be able to use new function necessary Whole earphone is changed, due to being used for substantial amounts of metal and plastic material in earphone, therefore huge waste and environment can be caused dirty Dye.

Utility model content

The purpose of this utility model is, there is provided a kind of earphone and expansion module, by earphone and an at least expansion module Combine, realize the selection between several functions or combination application, improve the integrated level of equipment.

To solve above-mentioned technical problem, this utility model provides a kind of earphone, including agent structure and at least one extension Module, wherein, the agent structure includes that audio interface, audio frequency playback component and connecting line, the audio interface and audio frequency are broadcast Put part to be connected by the connecting line, in the audio interface, be provided with an at least expansion interface；On the expansion module An at least module interface and expanded function unit are provided with, the module interface is electrically connected with expanded function unit, the mould Block interface is matched with the expansion interface；When at least described in one module interface with least described in one, expansion interface is electrically connected when, Realize conducting for the expansion module and the agent structure.

Further, in the earphone, the expansion module includes container structure, or/and the audio interface includes For fixing the fixed structure of the expansion module.

Further, in the earphone, the container structure includes receiving for the connecting line for being embedded in the connecting line Groove, and/or the container structure includes for being embedded in the audio interface reception hole of the audio interface.

Further, in the earphone, when the expansion module is contacted with the audio interface with first angle, The expansion module is mechanically fixed with the audio interface, and module interface electrical connection corresponding with the expansion interface, when When the expansion module is contacted with the audio interface with second angle, the expansion module is solid with audio interface machinery It is fixed, and module interface electrical connection not corresponding with the expansion interface.

Further, in the earphone, the module interface has various connection status with the expansion interface, described Earphone also includes a detecting module, and the detecting module detects the connection status of the module interface and the expansion interface, and Electric conducting state according to result of detection to the expansion module with the agent structure is selected.

Further, in the earphone, the expanded function unit is read-write cell, audio codec, bluetooth list Unit, microprocessor, battery, input/output device, wire/wireless transceiver, GPS devices, touch feedback device, display, biography It is sensor, driver, executor, TRT, photovoltaic cell, velometer, electronic compass, magnetometer, gyroscope, thermometer, wet Degree meter, barometer, sphygomanometer, antiperspirant juice sensor, sphygmometer, blood-glucose meter, vibrator, photometer, antenna, interface detection/conversion In device, loudspeaker, audio frequency playback component, mike, photographic head, tracking pulley/cunning ball, touch sensor, piezometer, LED One or more.

Further, in the earphone, the earphone also includes the add-on module that can complete additional function, described additional Module is electrically connected with the expansion interface.

Further, in the earphone, the add-on module is read-write cell, audio codec, bluetooth unit, micro- Processor, battery, input/output device, wire/wireless transceiver, GPS devices, touch feedback device, display, sensor, Driver, executor, TRT, photovoltaic cell, velometer, electronic compass, magnetometer, gyroscope, thermometer, drimeter, Barometer, sphygomanometer, antiperspirant juice sensor, sphygmometer, blood-glucose meter, vibrator, photometer, antenna, interface detection/transducer, loudspeaker , audio frequency playback component, mike, photographic head, tracking pulley/cunning ball, touch sensor, piezometer, one in LED or It is multiple.

Further, in the earphone, the agent structure also includes audio frequency playback component line, extends at least described in one Interface and the audio frequency playback component line；Or, expansion interface is electrically connected with the audio interface at least described in one；Or, at least one The expansion interface is electrically connected with the line control machine.

Further, in the earphone, the expansion interface is electrically connected by a converter module and the audio interface Connect, the converter module is power management module and/or signal conversion module.

Further, in the earphone, the expansion interface is convex electrode, and the module interface is concave electrode；Or, institute It is concave electrode to state expansion interface, and the module interface is convex electrode.

Further, in the earphone, the earphone includes multiple expansion modules, and multiple expansion modules are described The not coplanar of audio frequency playback component is stacked, or/and, multiple expansion modules are stacked mutually.

According to another side of the present utility model, a kind of expansion module is also provided, the expansion module is as above any one Expansion module in the earphone.

According to another side of the present utility model, a kind of agent structure is also provided, the agent structure is as above any one Agent structure in the earphone.

Compared with prior art, the earphone that this utility model is provided has advantages below：

In the earphone that this utility model is provided, the earphone includes agent structure and an at least expansion module, wherein, The agent structure includes audio interface, audio frequency playback component, connecting line and line traffic control plate, the audio interface and audio frequency playback unit Part is connected by the connecting line, and the line traffic control plate is located in the connecting line, and at least one is provided with the audio interface Expansion interface；An at least module interface and expanded function unit, the module interface and expansion are provided with the expansion module Exhibition functional unit electrical connection, the module interface are matched with the expansion interface；When module interface at least described in one and at least When expansion interface described in is electrically connected, conducting for the expansion module and the agent structure is realized, it is possible to achieve Duo Zhonggong Selection application between energy, so as to improve the integrated level of equipment.

Description of the drawings

The signal of earphone when Fig. 1 is disassembled form with agent structure for expansion module in this utility model first embodiment Figure；

The signal of earphone when Fig. 2 is connection status with agent structure for expansion module in this utility model first embodiment Figure；

Fig. 3 is connected to the circuit diagram of add-on module for module interface in this utility model second embodiment；

Fig. 4 is connected to the circuit diagram of agent structure for module interface in this utility model 3rd embodiment；

Fig. 5 is connected to the circuit diagram of agent structure for module interface in this utility model fourth embodiment.

Specific embodiment

Earphone of the present utility model is described in more detail below in conjunction with schematic diagram, which show this practicality new The preferred embodiment of type, it should be appreciated that those skilled in the art can change this utility model described here, and still realize Advantageous effects of the present utility model.Therefore, description below be appreciated that it is widely known for those skilled in the art, and It is not intended as to restriction of the present utility model.

In order to clear, whole features of practical embodiments are not described.In the following description, it is not described in detail known function And structure, because they can make this utility model chaotic due to unnecessary details.It will be understood that in any practical embodiments Exploitation in, it is necessary to make a large amount of implementation details to realize the specific objective of developer, such as according to relevant system or relevant business The restriction of industry, changes into another embodiment by one embodiment.Additionally, it should think this development be probably it is complicated and It is time-consuming, but it is only routine work to those skilled in the art.

Referring to the drawings this utility model more particularly described below by way of example in the following passage.According to following explanation and power Sharp claim, advantages and features of the present utility model will become apparent from.It should be noted that, accompanying drawing using very simplify in the form of and Non- accurately ratio is used, only to purpose that is convenient, lucidly aiding in illustrating this utility model embodiment.

Core concept of the present utility model is, there is provided a kind of earphone, and the earphone includes agent structure and at least one Expansion module, wherein, the agent structure includes audio interface, audio frequency playback component, connecting line and line traffic control plate, and the audio frequency connects Mouth is connected by the connecting line with audio frequency playback component, and the audio interface is located in the connecting line, the line traffic control plate On be provided with an at least expansion interface；An at least module interface and expanded function unit, institute are provided with the expansion module State module interface to electrically connect with expanded function unit, the module interface is matched with the expansion interface；When at least described in one Module interface with when at least expansion interface is electrically connected described in one, realize conducting for the expansion module and the agent structure, The selection application between several functions can be realized, so as to improve the integrated level of equipment.

Several embodiments of the earphone are exemplified below, with clear explanation content of the present utility model, it is understood that, Content of the present utility model is not restricted to following examples, and other are by the routine techniquess means of those of ordinary skill in the art Improvement also within thought range of the present utility model.

First embodiment

Refer to Fig. 1 and Fig. 2 and illustrate first embodiment of the present utility model, wherein, Fig. 1 is this utility model first The schematic diagram of earphone when expansion module is disassembled form with agent structure in embodiment；Fig. 2 is implemented for this utility model first The schematic diagram of earphone when expansion module is connection status with agent structure in example.

In the present embodiment, illustrate so that the earphone 1 is as bi-telephone as an example, as shown in figure 1, the earphone 1 is wrapped Include agent structure and an at least expansion module, the agent structure is that traditional earphone portion (can include conventional earphone Various pieces, such as line control machine, tone frequency channel wire, Mike's line, audio interface etc., this be it will be appreciated by those skilled in the art that , it is numerous to list herein), including audio interface 10 (may be inserted into the audio frequency apparatuses such as mobile phone or computer), audio frequency playback component 11st, another audio frequency playback component 11 ', connecting line 12 and line traffic control plate 13, the audio interface 10 are distinguished by the connecting line 12 Connect the audio frequency playback component 11 and another audio frequency playback component 11 '.In the present embodiment, the audio interface 10 can be Four core plugs, three-prong plug, USB interface or Fructus Mali pumilae lightning interface etc., it is numerous to list herein.The ordinary skill people of this area Member it should be understood that the audio interface 10 is internally provided with interface electrode, for entering with the audio frequency apparatus such as mobile phone or computer Row connection.

It is additionally provided with the connecting line 12 for controlling the panel 13 of the audio signal.Wherein, in the present embodiment In, the panel 13 also include line traffic control chip, mike, volume increase key+, volume reduce key-and Answer Key c, with right The earphone 1 is controlled, the line traffic control chip, mike, volume increase key+, volume reduce the circuit of key-and Answer Key c Structure be it will be understood by those skilled in the art that, therefore not to repeat here.

In the present embodiment, the connecting line 12 includes audio interface section 121, an audio frequency playback component section 122 and another One audio frequency playback component section 123, the audio interface section 121, an audio frequency playback component section 122 and another audio frequency playback component section 123 126 are linked together by separated time knot, the extension 101 of one end of the audio interface section 121 by the audio interface Connect the audio interface 10, the other end of the audio interface section 121 connects the separated time knot 126, and an audio frequency is played One end of member segments 122 connects the audio frequency playback component 11, and the other end connection of the audio frequency playback component section 122 is described Separated time knot 126, one end of another audio frequency playback component section 123 connect the audio frequency playback component 11 ', another audio frequency The other end of playback component section 123 connects the separated time knot 126.In the present embodiment, the panel 13 is located at described another In audio frequency playback component section 123, another audio frequency playback component section 123 includes the first paragraph 124 with the second segment 125, one end of the second segment 125 connects the separated time knot 126, and the other end of the second segment 125 connects the panel 13, one end of the first paragraph 124 connects the audio frequency playback component 11 ', and the other end of the first paragraph 124 connects the control Making sheet 13.Expansion interface is provided with the connecting line 12, the expansion interface may be located at any on the connecting line 12 One section.

The earphone 1 includes expansion module, and at least a module interface and expanded function are provided with the expansion module Unit, the module interface are electrically connected with expanded function unit, the module interface be located at the audio interface 10 on expansion Exhibition interface matches.In the present embodiment, illustrate so that the earphone 1 includes three expansion modules as an example.

As shown in figure 1, in the present embodiment, the earphone 1 includes expansion module 14, expansion module 15 and expansion module 16.Module interface 141 and expanded function unit, the module interface 141 and extension work(are provided with the expansion module 14 Energy unit electrical connection, the module interface 141 are matched with the expansion interface 101 in the audio interface 10.When described When module interface 141 is electrically connected with the expansion interface 101, conducting for the expansion module 14 and the main body is realized.Institute State and on expansion module 15, be provided with module interface 151 and expanded function unit, the module interface 151 and expanded function unit Electrical connection, the module interface 151 are matched with the expansion interface 102 in the audio interface 10.When the module connects Mouthfuls 151 when electrically connecting with the expansion interface 102, realizes conducting for the expansion module 15 and the main body.The extension Module interface 161 and expanded function unit are provided with module 16, the module interface 161 is electrically connected with expanded function unit Connect, the module interface 161 is matched with the expansion interface 103 in the audio interface 10.When the module interface 161 When electrically connecting with the expansion interface 103, conducting for the expansion module 16 and the main body is realized.In the present embodiment, The expansion interface 101,102,103 is concave electrode, and the module interface 141,151,161 is convex electrode, in other embodiments In, the expansion interface 101,102,103 can be convex electrode, and the module interface 141,151,161 can be concave electrode. Or, the part module interface is convex electrode, module interface described in another part is concave electrode.The expansion interface and module connect Mouth can be the modes such as point/line/face/ring.

Wherein, the expanded function unit can be read-write cell, audio codec, bluetooth unit, microprocessor, electricity Pond, input/output device, wire/wireless transceiver, GPS devices, touch feedback device, display, sensor, driver, hold Row device, TRT, photovoltaic cell, velometer, electronic compass, magnetometer, gyroscope, thermometer, drimeter, barometer, blood Pressure meter, antiperspirant juice sensor, sphygmometer, blood-glucose meter, vibrator, photometer, antenna, interface detection/transducer, loudspeaker, audio frequency are broadcast Put one or more in part, mike, photographic head, tracking pulley/cunning ball, touch sensor, piezometer, LED.

Preferably, the agent structure also includes the add-on module that can complete additional function, the add-on module can be with position Optional position in the agent structure, for example, on the panel 13, etc., it is numerous to list herein.It is described attached Plus module can for read-write cell, audio codec, bluetooth unit, microprocessor, battery, input/output device, it is wired/ Wireless transceiver, GPS devices, touch feedback device, display, sensor, driver, executor, TRT, photovoltaic electric Pond, velometer, electronic compass, magnetometer, gyroscope, thermometer, drimeter, barometer, sphygomanometer, antiperspirant juice sensor, pulse Meter, blood-glucose meter, vibrator, photometer, antenna, interface detection/transducer, loudspeaker, audio frequency playback component, mike, photographic head, One or more in tracking pulley/cunning ball, touch sensor, piezometer, LED.The add-on module with least described in one Expansion interface 141 or/and expansion interface 151 are electrically connected.

Preferably, container structure can be provided with the expansion module 14,15,16.For example, the expansion module 14 is gone back Including for being embedded in the connecting line accommodating groove 142 of the audio interface section 121, in other embodiments of the present utility model, institute Stating expansion module 14 also includes, for being embedded in the audio interface reception hole of the audio interface 10, the audio interface 10 being embedded in The expansion module 14 mutually can be fixed by the audio interface reception hole with audio interface 10, root foregoing description, the sound Frequency interface reception hole be it will be understood by those skilled in the art that, therefore not to repeat here.

The expansion interface may be located at any one face of the audio interface 10, for example, in FIG, the audio frequency The bottom surface of interface 10 includes three expansion interfaces 101, respectively：Electrode A, electrode B, electrode C, the expansion module 14 are wrapped Three module interfaces 141 are included, respectively：Electrode A ', electrode B ', electrode C ', when the expansion module 14 is with first angle When contacting with the audio interface 10, (electrode A ', electrode B ', electrode C ' are respectively with electrode A, electrode B, electrode C is corresponding is electrically connected Connect), the expansion module 14 is mechanically fixed with the audio interface 10, and the module interface 141 with first state with it is described The correspondence of expansion interface 101 is electrically connected, and realizes that the expansion module 14 is electrically connected with first state with the agent structure.

When the expansion module 14 is contacted with the audio interface 10 with second angle (such as electrode A ', electrode B ', Electrode C ' electrical connections corresponding with electrode B, electrode C, electrode A respectively), the expansion module 14 is solid with 10 machinery of the audio interface It is fixed, and the module interface 141 realizes the expansion module 14 with the electrical connection corresponding with the expansion interface 101 of the second state Electrically connected with the second state with the agent structure.

Preferably, the earphone 1 also includes a detecting module, the detecting module may be located at any one of the earphone Individual position, therefore not to repeat here.The detecting module detects the connection shape of the module interface 141 and the expansion interface 101 State, and the electric conducting state according to result of detection to the expansion module 14 with the agent structure selects, and for example, works as institute State module interface 141 and the expansion interface 101 and be connected with first state (electrode A ', electrode B ', electrode C ' respectively with electrode A, Electrode B, electrode C correspondences are electrically connected) when, the detecting module control is entered by 10 pairs of expansion modules 14 of the audio interface Row charges；(electrode A ', electrode B ', electrode are electrically connected when the module interface 141 and the expansion interface 101 with the second state C ' electrical connections corresponding with electrode B, electrode C, electrode A respectively), the detecting module control is described by the expansion module 14 Add-on module in agent structure is powered.

For example, the expanded function unit on the expansion module 14 is radio frequency or MCU module, electrode A ', electrode B ', electrode C ' difference VDD/GND/DATA, for being sensed, it is possible to which data are launched or received.

The one side of the audio interface 10 includes four expansion interfaces 102, respectively：Electrode D, electrode E, electrode F, electrode G, the expansion module 15 include four module interfaces 151, respectively：Electrode D ', electrode E ', electrode F ', electricity Pole G ', (such as electrode D ', electrode E ', electricity when the expansion module 14 is contacted with the audio interface 10 with first angle Pole F ', electrode G ' electrical connection corresponding with electrode D, electrode E, electrode F, electrode G respectively), the expansion module 15 and the audio frequency Interface 10 is mechanically fixed, and the module interface 151 realizes institute with first state electrical connection corresponding with the expansion interface 102 State expansion module 15 to electrically connect with first state with the agent structure.

When the expansion module 15 is contacted with the audio interface 10 with second angle (such as electrode D ', electrode E ', Electrode F ', electrode G ' electrical connection corresponding with electrode G, electrode F, electrode E, electrode D respectively), the expansion module 15 and the sound Frequency interface 10 is mechanically fixed, and the module interface 151 is realized with the electrical connection corresponding with the expansion interface 102 of the second state The expansion module 15 is electrically connected with the second state with the agent structure.

The detecting module detects the connection status of the module interface 151 and the expansion interface 102, and according to detection As a result the electric conducting state to the expansion module 15 with the agent structure is selected.

The another side of the audio interface 10 includes two expansion interfaces 103, respectively：Electrode H, electrode I, this Outward, the audio interface 10 includes two embedding hole J, K, and electrode H, electrode I, embedding hole J, embedding hole K are arranged in order, the expansion module 16 include two module interfaces 161, respectively：Electrode H ', electrode I ', when the expansion module 16 is with first angle and institute State (electrode H ', electrode I ' electrical connection corresponding with electrode H, electrode I respectively) when audio interface 10 contacts, the expansion module 16 It is mechanically fixed with the audio interface 10, and the module interface 161 is electrically connected so that first state is corresponding with the expansion interface 103 Connect, realize that the expansion module 16 is electrically connected with first state with the agent structure.

When the expansion module 16 is contacted with the audio interface 10 with second angle, (electrode H ', electrode I ' are respectively Embedded embedding hole K, embedding hole J), the expansion module 16 is mechanically fixed with the audio interface 10, and the module interface 161 not with Correspondence electrical connection of the expansion interface 103 (electrode H ', electrode I ' skies connect).

Preferably, in the present embodiment, as shown in figure 1, the expansion module 16 also includes at least one second module interface 162, the earphone 1 also includes at least one another expansion module 21, is provided with expansion interface on another expansion module 21 221.Preferably, the expansion interface 221 is also matched with the expansion interface 103, when at least described in one expansion interface 103 with When the expansion interface 221 is electrically connected, conducting for another expansion module 21 and the agent structure is realized.

In the present embodiment, second module interface 162 is located on the expansion module 14 with the module interface 211 Different face, to carry out two-dimentional splicing (as shown in Figure 2)；Connect when multiple second modules are provided with the expansion module 14 During mouth 162, at least partly second module interface 162 is located at faces different on the expansion module 14, to carry out multidimensional spelling Connect.

Additionally, another expansion module 21 is additionally provided with the additional extension interface conducted with another expansion module 222, to realize stacking.

Also, the earphone can also include multiple expansion modules, and multiple expansion modules are in the audio frequency playback unit The not coplanar of part is stacked.

Second embodiment

Fig. 3 is referred to, wherein, Fig. 3 is connected to the electricity of add-on module for module interface in this utility model second embodiment Road schematic diagram.In figure 3, reference number is represented and the statement of Fig. 1 and Fig. 2 identicals and first embodiment identical part.With Illustrate as a example by the expansion interface 102 and module interface 151, in the second embodiment, in the expansion module, institute State module interface 151 and connect the expanded function unit, in the agent structure, the expansion interface 102 connects described attached Plus module, additionally, also including Mike line MIC, ground wire GND, tone frequency channel wire HPL and tone frequency channel wire HPR in the agent structure.Then work as institute When stating expansion interface 102 and being connected with module interface 151, the expanded function unit is electrically connected with the add-on module, can be with Realize working in coordination between several functions.

3rd embodiment

Fig. 4 is referred to, wherein, Fig. 4 is connected to the electricity of agent structure for module interface in this utility model 3rd embodiment Road schematic diagram.In the diagram, reference number is represented and the statement of Fig. 1 and Fig. 2 identicals and first embodiment identical part.With Illustrate as a example by the expansion interface 102 and module interface 151, in the 3rd embodiment, in the expansion module, institute State module interface 151 and connect the expanded function unit, in the agent structure, the agent structure includes Mike's line MIC, ground wire GND, tone frequency channel wire HPL and tone frequency channel wire HPR, Mike line MIC, ground wire GND, tone frequency channel wire HPL and tone frequency channel wire HPR connect respectively The audio interface 10 is connected to, the expansion interface 102 connects Mike's line MIC, ground wire GND, tone frequency channel wire HPL and sound respectively Frequency line HPR.Then when the expansion interface 102 is connected with module interface 151, the expanded function unit can be realized and sound The electrical connection of frequency interface, audio frequency playback component line or line control machine.The expansion interface 102 can be transmission power supply or analogue signal or Digital signal, transmission can be that one-way transmission is two-way or optional, or simple analog/digital audio signal transmission, described Expansion interface 102 can be connected to the tone frequency channel wire HPL in the agent structure and tone frequency channel wire HPR and realize that extension loudspeaker are played, described Expansion interface 102 can be connected to Mike's line MIC or line control machine realizes various line traffic control functions.

Fourth embodiment

Fig. 5 is referred to, wherein, Fig. 5 is connected to the electricity of agent structure for module interface in this utility model 3rd embodiment Road schematic diagram.In Figure 5, reference number to be represented and represent identical part with the statement of Fig. 1, Fig. 2 and Fig. 4 identical.With the expansion Illustrate as a example by exhibition interface 102 and module interface 151, in the fourth embodiment, in the expansion module, the module Interface 151 connects the expanded function unit, and in the agent structure, the agent structure includes power line VDD, ground wire GND, data wire D- and data wire D+, power line VDD, ground wire GND, data wire D- and data wire D+ are respectively connecting to the audio frequency Interface 10, the expansion interface 102 connect the power line VDD, ground wire GND, data wire D- and data wire D+ respectively.Then work as institute When stating expansion interface 102 and being connected with module interface 151, the expanded function unit can be realized broadcasting with audio interface, audio frequency Put part line or line control machine electrical connection.The expansion interface 102 can be transmission power supply or analogue signal or digital signal, transmit Can be that one-way transmission is two-way or optional, or simple analog/digital audio signal transmission.Wherein, the expansion interface 102 are electrically connected with the audio interface by a converter module, and the converter module is power management module and/or signal Modular converter, power management module can be the functions such as step-up/down/filtering, and signal conversion module can be digital signal The digitized conversion of transmission or digital-to-analogue conversion, or analogue signal.

Additionally, the expansion interface 102 can also include two sub-electrodes of power and ground, for the extension work( Energy unit provides electric energy or obtains electric energy from expanded function unit；The expansion interface 102 may also comprise analog signal line and Two electrodes of ground wire, for the single line or transmitted in both directions of the analogue signal between the expanded function unit and the agent structure Audio-frequency information or other information, such as on MIC lines or left and right sound channels HPL/HPR line；The expansion interface 102 can also be wrapped Two electrodes of digital signal line and ground wire are included, for the digital signal between the expanded function unit and the agent structure The SDA/GND of single line or transmitted in both directions, such as I2C, or any single wire digital host-host protocol SW, OW etc..Or realize The transmission of power supply and information is realized on single line.

The module interface 141,151,161 on the different expansion modules 14,15,16 can also be different electrodes Combination, to realize more multi-functional combination, such as insert the expansion module 14 for rechargeable battery, for powering to earphone (including powering to the additional function modules in the expanded function unit or the agent structure on the expansion module 14)； And the expanded function unit for inserting the expansion module 15 is loudspeaker or bluetooth earphone module or sensor, and then realize external expansion Sound or wireless headset or monitoring device on wired earphone.

In addition to off-gauge form, the expansion interface and module interface can also be electrically with meet in structure The interface of standard, such as matches USB, Fructus Mali pumilae lightning standard etc. completely, connects for signal and is mechanically fixed and is used.

Preferred embodiment of the present utility model is as it appears from the above, additionally, the earphone can also be single head-receiver；Additionally, institute Stating to include in audio interface that for fixing the fixed structure of the expansion module, such as described fixed structure is one recessed Portion, according to foregoing description, this be it will be appreciated by those skilled in the art that, therefore not to repeat here.

Obviously, those skilled in the art can carry out various changes and modification without deviating from this practicality to this utility model New spirit and scope.So, if it is of the present utility model these modification and modification belong to this utility model claim and Within the scope of its equivalent technologies, then this utility model is also intended to comprising these changes and modification.

Claims (14)

1. a kind of earphone, it is characterised in that including agent structure and an at least expansion module, wherein,

The agent structure includes audio interface, audio frequency playback component and connecting line, the audio interface and audio frequency playback component It is connected by the connecting line, in the audio interface, is provided with an at least expansion interface；

An at least module interface and expanded function unit, the module interface and expanded function are provided with the expansion module Unit is electrically connected, and the module interface is matched with the expansion interface；

When at least described in one module interface with least described in one, expansion interface is electrically connected when, realize the expansion module with the master Body structure is conducted.

2. earphone as claimed in claim 1, it is characterised in that the expansion module includes container structure, or/and the audio frequency Interface is included for fixing the fixed structure of the expansion module.

3. earphone as claimed in claim 2, it is characterised in that the container structure is included for being embedded in the company of the connecting line Wiring accommodating groove, and/or the container structure includes for being embedded in the audio interface reception hole of the audio interface.

4. earphone as claimed in claim 1, it is characterised in that when the expansion module is with first angle and the audio interface When contacting, the expansion module is mechanically fixed with the audio interface, and the module interface is corresponding with the expansion interface Electrical connection, when the expansion module is contacted with the audio interface with second angle, the expansion module and the audio frequency Interface is mechanically fixed, and module interface electrical connection not corresponding with the expansion interface.

5. earphone as claimed in claim 1, it is characterised in that the module interface has various connections with the expansion interface State, the earphone also include a detecting module, and the detecting module detects the company of the module interface and the expansion interface State is connect, and the electric conducting state according to result of detection to the expansion module with the agent structure is selected.

6. earphone as claimed in claim 1, it is characterised in that the expanded function unit is read-write cell, audio coding decoding Device, bluetooth unit, microprocessor, battery, input/output device, wire/wireless transceiver, GPS devices, touch feedback device, Display, sensor, driver, executor, TRT, photovoltaic cell, velometer, electronic compass, magnetometer, gyroscope, Thermometer, drimeter, barometer, sphygomanometer, antiperspirant juice sensor, sphygmometer, blood-glucose meter, vibrator, photometer, antenna, interface Detection/transducer, loudspeaker, audio frequency playback component, mike, photographic head, tracking pulley/cunning ball, touch sensor, piezometer, One or more in LED.

7. earphone as claimed in claim 1, it is characterised in that the earphone also includes the additional mode that can complete additional function Block, the add-on module are electrically connected with the expansion interface.

8. earphone as claimed in claim 7, it is characterised in that the add-on module is read-write cell, audio codec, indigo plant Tooth unit, microprocessor, battery, input/output device, wire/wireless transceiver, GPS devices, touch feedback device, display Device, sensor, driver, executor, TRT, photovoltaic cell, velometer, electronic compass, magnetometer, gyroscope, temperature Meter, drimeter, barometer, sphygomanometer, antiperspirant juice sensor, sphygmometer, blood-glucose meter, vibrator, photometer, antenna, interface detection/ Transducer, loudspeaker, audio frequency playback component, mike, photographic head, tracking pulley/cunning ball, touch sensor, piezometer, LED In one or more.

9. earphone as claimed in claim 1, it is characterised in that the agent structure also includes audio frequency playback component line, at least Expansion interface described in one and the audio frequency playback component line；Or, expansion interface is electrically connected with the audio interface at least described in one； Or, expansion interface is electrically connected with a line control machine at least described in one.

10. earphone as claimed in claim 9, it is characterised in that the expansion interface passes through a converter module and the sound Frequency interface is electrically connected, and the converter module is power management module and/or signal conversion module.

11. earphones as claimed in claim 1, it is characterised in that the expansion interface is convex electrode, and the module interface is recessed Electrode；Or, the expansion interface is concave electrode, the module interface is convex electrode.

12. earphones as claimed in claim 1, it is characterised in that the earphone includes multiple expansion modules, multiple extensions Module is stacked in the not coplanar of the audio frequency playback component, or/and, multiple expansion modules are stacked mutually.

13. a kind of expansion modules, it is characterised in that the expansion module is the ear as described in any one in claim 1～12 Expansion module in machine.

14. a kind of agent structures, it is characterised in that the agent structure is the ear as described in any one in claim 1～12 Agent structure in machine.