CN207753832U - Earphone - Google Patents

Earphone Download PDF

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Publication number
CN207753832U
CN207753832U CN201721457328.1U CN201721457328U CN207753832U CN 207753832 U CN207753832 U CN 207753832U CN 201721457328 U CN201721457328 U CN 201721457328U CN 207753832 U CN207753832 U CN 207753832U
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CN
China
Prior art keywords
circuit board
electrically
earphone
line
audio
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Active
Application number
CN201721457328.1U
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Chinese (zh)
Inventor
贺旭明
吴海全
彭涛
彭久高
师瑞文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Grandsun Electronics Co Ltd
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Shenzhen Grandsun Electronics Co Ltd
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Publication date
Application filed by Shenzhen Grandsun Electronics Co Ltd filed Critical Shenzhen Grandsun Electronics Co Ltd
Priority to CN201721457328.1U priority Critical patent/CN207753832U/en
Application granted granted Critical
Publication of CN207753832U publication Critical patent/CN207753832U/en
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Abstract

The utility model belongs to ear phone technology field, a kind of earphone is provided, the earphone includes male connector, interconnecting device, wired control box and loud speaker and the first connecting line being connected between the male connector and interconnecting device, the second connecting line being connected between the interconnecting device and the wired control box;The male connector is electrically connected with first connecting line, is used for audio and charge transport;The interconnecting device includes first shell, and the female seat in the first shell and the first circuit board in the first shell, and the female seat and first connecting line are electrically connected at the first circuit board;The wired control box includes second shell shell, and the second circuit board in the second shell, and the loud speaker and second connecting line are electrically connected with the second circuit board respectively.Female seat and loud speaker are respectively used to audio transmission and charging, to realize while listen to music and charge, are convenient to use.

Description

Earphone
Technical field
The utility model belongs to ear phone technology field more particularly to a kind of earphone.
Background technology
Currently, the terminal devices such as smart mobile phone are increasingly intended to uniform data interface and audio interface, use is same Interface is realized data transmission, power source charges and is listened to music.In the mobile phone I Phone 7 and I Phone of Apple Inc.'s publication 7Plus cancels 3.5mm receiver J-Horners, and using the comprehensive lightning interface for having audio output and power input, lightning connects Mouth can both serve as charging interface, data transmission interface, while can be coordinated with analog conversion function with output digit signals Earphone converts digital signals into analog signal broadcasting.
Although this setup makes the quantity of equipment interface reduce, mobile phone can not be carried out simultaneously listening to music Charging, same time can only listen to music or charge to mobile phone, cause great inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of earphones, it is intended to solve present in traditional technical solution with for the moment Between can only listen to music or charge to mobile phone, cause the problem of great inconvenience.
A kind of earphone, the earphone include male connector, interconnecting device, wired control box and loud speaker and are connected to the male connector and turn Connect the first connecting line between box, the second connecting line being connected between the interconnecting device and the wired control box;The male connector with First connecting line is electrically connected, and is used for audio and charge transport;The interconnecting device includes first shell, and is fixed on described First circuit board in first shell and female seat, the female seat and first connecting line are electrically connected at first circuit Plate;The wired control box includes second shell, and the second circuit board being fixed in the second shell, the loud speaker and described Second connecting line is electrically connected with the second circuit board.
Further, the first circuit board is equipped with the charging module for charging, and the charging module passes through described the One circuit board is electrically connected with the female seat.
Further, the first circuit board is equipped with the solder joint for being electrically connected the charging module and first connecting line DP、D+、D-、GND。
Further, the second circuit board is equipped with the decoding chip for conversion digital signal and analog signal;It is described Second circuit board is equipped with solder joint LAM PWR, LAM D+, the LAM for being electrically connected the decoding chip and second connecting line D-, LAM DW, LAM GND, GND are electrically connected.
Further, speech microphone, the speech microphone and institute are additionally provided between the wired control box and the loud speaker Second circuit board electric connection is stated, the second circuit board is equipped with the speech microphone being electrically connected with the speech microphone Solder joint.
Further, the earphone further includes sampling microphone, and the sampling microphone electrically connects with the second circuit board It connecing, the second circuit board is equipped with noise reduction module, and the noise reduction module is electrically connected with the sampling microphone, and described second Circuit board is equipped with the sampling microphone solder joint being electrically connected with the sampling microphone.
Further, it is additionally provided with audio jack, tertiary circuit plate is additionally provided in second shell, the audio jack passes through audio Connecting line is electrically connected with the tertiary circuit plate, and the tertiary circuit plate is electrically connected with the second circuit board.
Further, the second circuit board be equipped with the solder joint AUX_L, AUX_R being electrically connected with the audio jack, AUX_MIC、AUX_GND。
Further, the audio jack is connect with the interconnecting device by audio connecting cord, the direction of the audio jack It is vertical with the direction of the audio connecting cord.
Further, the male connector is Lightning plugs or Type-C plugs.
Above-mentioned earphone can be handled by the power supply signal that interconnecting device inputs female seat, and by male connector to docking Electronic equipment charges, meanwhile, wired control box is exported after handling the audio signal that male connector receives and is played to loud speaker, Female seat and loud speaker are respectively used to audio transmission and charging, to realize while listen to music and charge, are convenient to use.
Description of the drawings
Fig. 1 is the Headphone structure schematic diagram that the utility model preferred embodiment provides;
Fig. 2 is the structural schematic diagram of interconnecting device in earphone shown in FIG. 1;
Fig. 3 is the structural schematic diagram of wired control box in earphone shown in FIG. 1;
Fig. 4 is the head circuit schematic diagram that the utility model preferred embodiment provides;
Fig. 5 is the circuit diagram for the interconnecting device that the utility model preferred embodiment provides;
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
Fig. 1 shows that the structural schematic diagram for the earphone that the utility model preferred embodiment provides only shows for convenience of description Part related to the present embodiment is gone out, details are as follows:
A kind of earphone, the earphone include male connector 10, interconnecting device 20, wired control box 30, loud speaker 40 and are connected to male connector 10 The first connecting line 50 between interconnecting device 20, the second connecting line 60 being connected between interconnecting device 20 and wired control box 30, wherein Male connector 10 and the first connecting line 50 are electrically connected, and are used for audio, data and charge transport, and adapting to synthesis has audio output and electricity The lightning interface of source input, lightning interface are located on electronic equipment.In the present embodiment, male connector 10 is Lightning plugs.
Interconnecting device 20 includes first shell, and fixed female seat 22 on the first shell and first in first shell Circuit board 21, female seat 22 and male connector 10 are electrically connected at first circuit board 21, and the female seat 22 of the interconnecting device 20 is used to be electronics Equipment charge.In the present embodiment, the female seat 22 is Lightning female seats.First circuit board 21 is equipped with charging module 23, The charging module 23 is electrically connected by first circuit board 21 in male connector 10 and female seat 22, for being filled to electronic equipment Electric control.Charging module 23 includes charging chip 231, first switch chip 232 and second switch chip 233, first switch core Piece 232 and second switch chip 233 are electrically connected with charging chip 231, and first switch chip 232 electrically connects with female seat 22 Connect, the first end of second switch chip 233 is electrically connected with first switch chip 232, the second end of second switch chip 233 with Male connector 10 is electrically connected, and charging chip 231 is by controlling the conducting of first switch chip 232 and second switch chip 233 and cutting Stop to control the charged state to electronic equipment, wherein charging chip 231 is preferably APPLE_C37A.Further, the first circuit Plate 21 is equipped with the first decompression chip 234 and second and is depressured chip 235, the input pin of the first decompression chip 234 and the second decompression The input pin of chip 235 is electrically connected with second switch chip 233, the output pin of the first decompression chip 234 and the second decompression The output pin of chip 235 is electrically connected with charging chip 231, specifically, first is depressured chip 234 from second switch chip 233 access 5V DC voltages, and 3.3V DC voltages are exported to charging chip 231, second is depressured chip 235 from second switch core Piece 233 accesses 5V DC voltages, and exports 1.8V DC voltages to charging chip 231.Female seat 22 is set to the one of first shell Side, and it is located at different sides from the first connecting line 50, it is preferable that one of first shell side is equipped with plug division, female Seat 22 is set in the plug division, and the connection terminal of female seat 22 is welded on first circuit board 21, that is, is welded in first circuit board 21 Tetra- solder joints of 5V_OUT, D+, D- and GND.It is connected by the first connecting line 50 between male connector 10 and interconnecting device 20.First circuit Plate 21 is additionally provided with several solder joints welded with the first connecting line 50, respectively LAM PWR, LAM D+, LAM D-, LAM DW, LAM GND、GND、DP、D+、 D-、GND.When charging, electric current passes through 5V_OUT, D+, D- and GND for being electrically connected with female seat 22 Four solder joints input charging modules, and under the control of charging module by DP, D+ for being electrically connected with the first connecting line 50, D-, GND input electronic equipment eventually by male connector 10 and charge for it.
Wired control box 30 includes second shell, and fixed second circuit board 31 on the second housing, loud speaker 40 and second Circuit board 31 is electrically connected.Second circuit board 31 is equipped with the decoding chip 32 for conversion digital signal and analog signal, with And the audio signal for being exported to decoding chip 32 carries out the noise reduction unit 33 of noise reduction, decoding chip 32 and male connector 10 electrically connect It connects, noise reduction unit 33 and decoding chip 32 are electrically connected.Specifically, decoding chip 32 passes through 10 electricity of second circuit board 31 and male connector Property connection, decoding chip 32 includes D/A converter module and analog-to-digital conversion module, and D/A converter module will be inputted from male connector 10 Digital audio and video signals are converted to analog signal, and the audio signal that noise reduction unit 33 exports D/A converter module carries out at noise reduction Reason, and export and played to loud speaker 40, to realize music.Voice wheat is additionally provided between wired control box 30 and loud speaker 40 Gram wind 34, speech microphone 34 are electrically connected with second circuit board 31, and second circuit board 31 is equipped with and 34 electricity of speech microphone Property connection speech microphone solder joint.Specifically, the speech microphone 34 is electrically connected with decoding chip 32, in decoding chip 32 Analog-to-digital conversion module the analog audio signal that speech microphone 34 inputs is converted into digital signal, and transmitted by male connector 10 Electron equipment, to realize that earphone is conversed.
The audio jack 80 for being additionally provided with tertiary circuit plate 36 in second shell and being electrically connected with the tertiary circuit plate 36, the Three-circuit plate 36 and second circuit board 31 are electrically connected, specifically, second circuit board 31 is equipped with and to be connect with the second connecting line 60 Several solder joints, respectively LAM PWR, LAM D+, LAM D-, LAM DW, LAM GND, GND, AUX_L, AUX_R, AUX_MIC, AUX_GND.Wherein, solder joint AUX_L, AUX_R, AUX_MIC, AUX_GND is electrically connected at audio jack 80, respectively with sound L channel end, right channel end, microphone end and the ground terminal of frequency plug 80 correspond to.Tertiary circuit plate 36 is electrically connected at solder joint AUX_L, AUX_R, AUX_MIC, AUX_GND so that the L channel end and right channel end of audio jack 80 respectively with raise one's voice Left speaker 40 and right loud speaker 40 in device 40 are electrically connected, microphone end and 34 electricity of speech microphone of audio jack 80 Property connection, the ground terminal ground connection of audio jack 80, which adapts to the audio socket being mutually matched, the audio socket In audio frequency apparatus, broadcasting and the voice transfer of the audio signal that earphone exports audio frequency apparatus are realized.The audio jack 80 be preferably 3.5mm audio jacks 80, can be plugged in the audio socket of the audio frequency apparatuses such as mobile phone, MP3, to enhance ear The compatibility of machine.In the present embodiment, audio jack 80 is electrically connected by audio connecting cord 81 and tertiary circuit plate 36, and The plugging direction of audio jack 80 and the extending direction of audio connecting cord 81 are vertical setting, and the extension side of audio connecting cord 81 To roughly the same with the plugging direction of male connector 10, so that the plugging direction of the plugging direction of audio jack 80 and male connector 10 It is substantially vertical, in order to grafting, and it can guarantee the global consistency of product.
Further, earphone further includes sampling microphone 70, and sampling microphone 70 is electrically connected with second circuit board 31, specifically , sampling microphone 70 is electrically connected with noise reduction unit 33, and second circuit board 31 is equipped with to be electrically connected with sampling microphone 70 Sampling microphone solder joint.In the present embodiment, sampling microphone 70 is four, microphone L_FF_ respectively before L channel Microphone R_FB_ after microphone R_FF_MIC and right channel before microphone L_FB_MIC, right channel after MIC, L channel MIC, sampling microphone 70 is for acquiring ambient noise, the ambient noise logarithm that Dolby circuit is acquired according to sampling microphone 70 The audio signal of mould conversion module output carries out noise reduction process, and exports and played out to loud speaker 40, to realize earphone Active noise reduction.
Further, push-button unit 35 is additionally provided in second shell, push-button unit 35 adds button VOL+, volume including volume Subtract button VOL-, answer button PHONE_M and noise reduction button ANC, wherein noise reduction button ANC is for opening and closing noise reduction unit 33 active noise reduction function, user can open and close noise reduction unit 33 according to the noise situation of environment.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (10)

1. a kind of earphone, which is characterized in that the earphone includes:Male connector, interconnecting device, wired control box and loud speaker and it is connected to institute State the first connecting line between male connector and interconnecting device, the second connecting line being connected between the interconnecting device and the wired control box;
The male connector is electrically connected with first connecting line, is used for audio and charge transport;The interconnecting device includes first shell Body, and the female seat in the first shell and the first circuit board in the first shell, the female seat and described First connecting line is electrically connected at the first circuit board;
The wired control box includes second shell, and the second circuit board in the second shell, the loud speaker and described Second connecting line is electrically connected with the second circuit board.
2. earphone as described in claim 1, which is characterized in that the first circuit board is equipped with the charging mould for charging Block, the charging module are electrically connected by the first circuit board and the female seat.
3. earphone as claimed in claim 2, which is characterized in that the first circuit board, which is equipped with, is electrically connected the charging module With solder joint DP, D+, D-, GND of first connecting line.
4. earphone as described in claim 1, which is characterized in that the second circuit board be equipped with for conversion digital signal and The decoding chip of analog signal;The second circuit board is equipped with the weldering for being electrically connected the decoding chip and second connecting line Point LAM PWR, LAM D+, LAM D-, LAM DW, LAM GND, GND are electrically connected.
5. earphone as claimed in claim 4, which is characterized in that be additionally provided with voice wheat between the wired control box and the loud speaker Gram wind, the speech microphone are electrically connected with the second circuit board, and the second circuit board is equipped with and the voice wheat The speech microphone solder joint that gram wind is electrically connected.
6. earphone as described in claim 1, which is characterized in that the earphone further includes sampling microphone, the sampling Mike Wind is electrically connected with the second circuit board, and the second circuit board is equipped with noise reduction module, and the noise reduction module is adopted with described Sample microphone is electrically connected, and the second circuit board is equipped with the sampling microphone being electrically connected with the sampling microphone and welds Point.
7. earphone as described in claim 1, which is characterized in that be additionally provided with audio jack, third electricity is additionally provided in second shell Road plate, the audio jack are electrically connected by audio connecting cord and the tertiary circuit plate, the tertiary circuit plate with it is described Second circuit board is electrically connected.
8. earphone as claimed in claim 7, which is characterized in that the second circuit board be equipped with it is electrical with the audio jack Solder joint AUX_L, AUX_R, AUX_MIC, AUX_GND of connection.
9. earphone as claimed in claim 7, which is characterized in that the audio jack is connected with the interconnecting device by the audio Wiring connects, and the direction of the audio jack is vertical with the direction of the audio connecting cord.
10. earphone as described in claim 1, which is characterized in that the male connector is Lightning plugs.
CN201721457328.1U 2017-11-03 2017-11-03 Earphone Active CN207753832U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721457328.1U CN207753832U (en) 2017-11-03 2017-11-03 Earphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721457328.1U CN207753832U (en) 2017-11-03 2017-11-03 Earphone

Publications (1)

Publication Number Publication Date
CN207753832U true CN207753832U (en) 2018-08-21

Family

ID=63145867

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721457328.1U Active CN207753832U (en) 2017-11-03 2017-11-03 Earphone

Country Status (1)

Country Link
CN (1) CN207753832U (en)

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