CN208657001U

CN208657001U - A kind of microphone with intelligent conversion interface

Info

Publication number: CN208657001U
Application number: CN201821340940.5U
Authority: CN
Inventors: 谢奕; 周向军; 彭国真
Original assignee: Aputure Imaging Industries Co Ltd
Current assignee: Shenzhen Aitushi Innovation Technology Co ltd
Priority date: 2018-08-20
Filing date: 2018-08-20
Publication date: 2019-03-26
Anticipated expiration: 2028-08-20

Abstract

Further include an intelligent built-up circuit the utility model discloses a kind of microphone with intelligent conversion interface, including microphone body and TRRS interface arrangement, for identification the interface type of sound pick-up outfit and automatically switch the audio signal channel of microphone；The intelligence built-up circuit includes detection unit, for detecting the bias voltage at TRRS interface device signal end；And switch unit, for being switched between the signal end of TRRS interface arrangement according to the testing result of detection unit；The TRRS interface arrangement uses the plug or socket of four ports.The utility model detects bias voltage on TRRS header signal end by the way that detection unit is arranged in microphone body, and the switching by switch unit to audio signal and TRRS header signal end interface channel, it is applicable in multiple types interface, a tractor serves several purposes is user-friendly.

Description

A kind of microphone with intelligent conversion interface

Technical field

The utility model relates to microphones, more precisely, are related to a kind of microphone with intelligent conversion interface.

Background technique

Microphone, scientific name are microphone, are the energy conversion devices that voice signal is converted to electric signal, by " This English word transliteration of Microphone ", also referred to as microphone, microphone.Professional microphone predominantly needs to record high-quality The sound pick-up outfit of amount uses, predominantly camera, the professional equipments such as recording pen.The interface that these professional equipments use is generally three sections The male connector or base of the TRRS of TRS and four sections.21st century, mobile phone are used at life indispensable in for people's lives Product, although mobile phone has carried microphone, but the microphone of mobile phone is primarily to communicate, to the of less demanding of recording, to sound Sound is unable to the reduction of high quality.In order to make mobile phone record the recording of high quality, the microphone of external profession is necessary.On the market The output of simulation microphone be generally the TRS of three sections and the TRRS (CTIA) of four sections, and different sound pick-up outfits defines not Same recording access type, so the interface of microphone and sound pick-up outfit, which needs to match, to be worked normally.Sound pick-up outfit it is defeated Incoming interface type limits the use limitation of microphone.For example the microphone of TRS output interface needs additionally to increase a TRS The line for turning TRRS could use on mobile phone, and the tie clip microphone of TRRS output needs additionally to increase a TRRS and turns TRS's Line could use on phonographic recorder or on computer.Microphone needs additional increase patchcord to be compatible with more equipment, in this way It is very inconvenient and not intelligent.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of audio signals and TRRS for automatically switching microphone The microphone of interface channel between interface arrangement, can be applicable in multiple types interface, and a tractor serves several purposes is user-friendly.

In order to solve the problems existing in the prior art, the utility model provides a kind of Mikes with intelligent conversion interface Wind.

In order to achieve the above purpose, the technical solution of the utility model is:

A kind of microphone with intelligent conversion interface, including microphone body and TRRS interface arrangement further include an intelligence Built-up circuit, for identification the interface type of sound pick-up outfit and automatically switch the audio signal channel of microphone.

Wherein, the intelligent built-up circuit includes detection unit, for detecting the biased electrical at TRRS interface device signal end Pressure；And switch unit, for being switched between the signal end of TRRS interface arrangement according to the testing result of detection unit.

Wherein, the TRRS interface arrangement uses the plug or socket of four ports.

Wherein, the TRRS interface arrangement uses the plug of four ports, including the first signal end, second signal end, the Three signal ends and fourth signal end, the first signal end are the connecting pin with the audio signal of TS or TRS interface, and second signal end is With the connecting pin of TRS interface Audio signal, third signal end is ground terminal, and fourth signal end is and TRRS interface Audio signal Connecting pin.

Wherein, the detection unit and switch unit are electrically connected with TRRS plug respectively, switch unit also with microphone Audio signal electrical connection.

Wherein, the detection unit respectively with the first signal end, second signal end and the fourth signal end on TRRS plug Electrical connection.

Wherein, the switch unit is electronic switch, is equipped with common end, the first connecting pin and second connection end；The public affairs End is electrically connected with the audio signal of microphone altogether, and first connecting pin is electrically connected with the first signal end on TRRS plug, institute Second connection end is stated to be electrically connected with the fourth signal end on TRRS plug.

The utility model has the beneficial effects that

The utility model by microphone body be arranged detection unit to bias voltage on TRRS header signal end into Row detection, and the audio signal of microphone and the switching of TRRS header signal end interface channel are applicable in more by switch unit Seed type interface realizes the function of a tractor serves several purposes, convenient for users to use.

Detailed description of the invention

Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.

Fig. 1 is the circuit theory schematic diagram of the utility model.

The square frame principle schematic diagram of Fig. 2 the utility model.

Fig. 3 is the structural schematic diagram of TS plug.

Fig. 4 is the structural schematic diagram of TRS plug.

Fig. 5 is the structural schematic diagram of the TRRS plug of the utility model.

Specific embodiment

The technical issues of in order to solve the utility model, the technical solution of use, the technical effect of acquirement it can be readily appreciated that Below with reference to specific attached drawing, specific embodiments of the utility model will be further explained.

It should be noted that illustrating only part related with the utility model for ease of description, in attached drawing rather than complete Portion's structure.

As in Figure 3-5, the plug of currently used TS series has 3 kinds.

Wherein, shown in Fig. 3 is TS plug, there is 2 signal ends, the end L and G, when connecting sound pick-up outfit, usual situation It is the audio signal of the end L connection microphone, the end G ground connection.

Wherein, shown in Fig. 4 is TRS plug, there is 3 signal ends, the end L, R and G, when connecting sound pick-up outfit, usually Situation is the audio signal of the end L or R connection microphone, the end G ground connection.

Wherein, shown in fig. 5 is TRRS plug, there is 4 signal ends, and the end L, R, G and M leads to when connecting sound pick-up outfit Reason condition is the audio signal of the end M connection microphone, the end G ground connection.

In a specific embodiment of the utility model, using TRRS plug, the utility model is given in Fig. 1 Circuit diagram, give the frame principle figure of the utility model in Fig. 2.

As shown in Fig. 2, this embodiment offers a kind of microphone with intelligent conversion interface, including microphone body and TRRS plug 1, is equipped with a switch unit 2 and detection unit 3 in microphone body, switch unit 2 and 3 common groups of detection unit At an intelligent built-up circuit, for identification the interface type of sound pick-up outfit and automatically switch the audio signal channel of microphone, Actually according to different types of interface, in the audio signal and TRRS plug 1 of switch microphone between unlike signal end Connection relationship.

Certain TRRS plug 1 also can be set according to actual needs as TRRS socket, and TRRS plug 1 or TRRS socket can be with It is connected as one, can also be connected by conducting wire with microphone body.

As shown in Figure 1, plug of the TRRS plug 1 using 4 ports, can also use the socket of 4 ports, TRRS plug 1 is followed successively by the first signal end 101, second signal end 102, third signal end 103 and fourth signal end 104 from head to tail portion. First signal end 101 is the connecting pin with the audio signal of TS or TRS interface, and second signal end 102 is to believe with TRS interface Audio Number connecting pin, third signal end 103 is ground terminal, and fourth signal end 104 is connecting pin with TRRS interface Audio signal.

Detection unit 3 is bias voltage detection unit, for detecting the first signal end 101, second signal on TRRS plug 1 The bias voltage at end 102 and fourth signal end 104；Detection unit 3 respectively with the first signal end 101, second signal end 102 and The electrical connection of four signal ends 104.

Switch unit 2 is electronic switch, including common end 203, the first connecting pin 201 and second connection end 202；The public affairs End 203 is electrically connected with the audio signal of microphone altogether, and the first signal end 101 on the first connecting pin 201 and TRRS plug 1 is electrically connected It connects, second connection end 202 is electrically connected with the fourth signal end 104 on TRRS plug 1.

Detection unit and switch unit electrical connection.

It should be noted that for the ease of intuitively understanding the technical solution of the utility model, the connecting line in Fig. 1 is It is drawn in 1 outside of TRRS plug, actual tie point should be connected on the terminals of 1 tail portion of TRRS plug, this is this The common knowledge of field those of ordinary skill, it is desirable to not lead to misunderstanding.

Main operational principle:

When detection unit 3 detects that the first signal end 101 on TRRS plug 1 has bias voltage, detection unit 3 is automatic The common end 203 of control switch unit 2 is connect with the first connecting pin 201, so that the audio signal of microphone and TRRS are inserted First 1 interface channel connection, the audio signal of microphone are electrically connected with the first signal end 101 on TRRS plug 1.Such situation The case where when TRRS plug 1 suitable for the utility model is inserted in TS socket or TRS socket (audio signal end is the end L), do not have to Replacement plug or additional line can automatically switch interface channel, be easy to use.

When detection unit 3 detects that there is bias voltage at the second signal end 102 on TRRS plug 1, detection unit 3 is automatic The common end 203 of control switch unit 2 is connect with the first connecting pin 201, so that the audio signal of microphone and TRRS are inserted First 1 interface channel connection, the audio signal of microphone are electrically connected with the first signal end 101 on TRRS plug 1.Such situation The case where when TRRS plug 1 suitable for the utility model is inserted in TRS socket (audio signal end be the end R), replacement plug is not had to Or additional line can automatically switch interface channel, be easy to use.

When detection unit 3 detects that there is bias voltage at the fourth signal end 104 on TRRS plug 1, detection unit 3 is automatic The common end 203 of control switch unit 2 is connect with second connection end 202, so that the audio signal of microphone and TRRS are inserted First 1 interface channel connection, the audio signal of microphone are electrically connected with the fourth signal end 104 on TRRS plug 1.Such situation The case where when TRRS plug 1 suitable for the utility model is inserted in TRRS socket (audio signal end be the end M), replacement plug is not had to Or additional line can automatically switch interface channel, be easy to use.

In this way, the microphone of the utility model can be applicable in the interface of TS, TRS, TRRS three types, without more inserting Head or additional line can automatically switch interface channel, be easy to use；To realize the function of a tractor serves several purposes, user is facilitated Use.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.

Claims

1. a kind of microphone with intelligent conversion interface, including microphone body and TRRS interface arrangement, it is characterised in that: also wrap Include an intelligent built-up circuit, for identification the interface type of sound pick-up outfit and automatically switch the audio signal channel of microphone.

2. microphone according to claim 1, which is characterized in that the intelligence built-up circuit includes detection unit, is used for Detect the bias voltage at TRRS interface device signal end；And switch unit, for the testing result according to detection unit in TRRS Switch between the signal end of interface arrangement.

3. microphone according to claim 2, it is characterised in that: the TRRS interface arrangement uses the plug of four ports Or socket.

4. microphone according to claim 3, which is characterized in that the TRRS interface arrangement uses inserting for four ports Head, including the first signal end, second signal end, third signal end and fourth signal end, the first signal end are and TS or TRS interface Audio signal connecting pin, second signal end is connecting pin with TRS interface Audio signal, and third signal end is ground terminal, Fourth signal end is the connecting pin with TRRS interface Audio signal.

5. microphone according to claim 2, it is characterised in that: the detection unit and switch unit are inserted with TRRS respectively Head electrical connection, switch unit are also electrically connected with the audio signal of microphone.

6. microphone according to claim 5, it is characterised in that: the detection unit respectively with first on TRRS plug Signal end, second signal end and the electrical connection of fourth signal end.

7. microphone according to claim 5, it is characterised in that: the switch unit be electronic switch, be equipped with common end, First connecting pin and second connection end；The common end is electrically connected with the audio signal of microphone, first connecting pin with The first signal end electrical connection on TRRS plug, the second connection end are electrically connected with the fourth signal end on TRRS plug.