CN207443128U - A kind of mobile terminal with hearing-aid function - Google Patents
A kind of mobile terminal with hearing-aid function Download PDFInfo
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- CN207443128U CN207443128U CN201721677876.5U CN201721677876U CN207443128U CN 207443128 U CN207443128 U CN 207443128U CN 201721677876 U CN201721677876 U CN 201721677876U CN 207443128 U CN207443128 U CN 207443128U
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- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 206010011878 Deafness Diseases 0.000 description 3
- 208000016354 hearing loss disease Diseases 0.000 description 3
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- 235000021307 Triticum Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 231100000888 hearing loss Toxicity 0.000 description 2
- 230000010370 hearing loss Effects 0.000 description 2
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of mobile terminals with hearing-aid function, including device body and earphone, PCBA board is equipped in device body, body micro-phone transducer audio loop and the first audio-frequency amplifier, device body is equipped with volume key, hearing aid on ＆ off switch, microphone and earphone jack, the earphone includes headset earpiece, ear microphone loudspeaker audio circuit, hearing-aid function switching circuit, second audio-frequency amplifier and headset plug, the headset plug is connected with the earphone jack on described device body, after the hearing aid on ＆ off switch, start hearing-aid function switching circuit, during into hearing-aid function, the audio signal of described device body output exports after being amplified by second audio-frequency amplifier, the utility model is beneficial in that：By using the standard cable earphone of market popularity, amplification voice is realized, the user for enabling hearing weak does not hear the sound of other side, realizes hearing-aid function.
Description
Technical field
The utility model is related to hearing-aid device technical fields, relate in particular to a kind of mobile terminal with hearing-aid function.
Background technology
National population is increasingly aging, and national the elderly's quantity increases year by year, and aging the elderly's hearing one
As all can slump of disastrous proportions.Hearing aids as early as possible are needed if the Hearing of the elderly has no idea treatment, protection remnants listen
Power.
Hearing aid is a kind of microminiature sound amplifier, and extraneous sound is amplified to the degree of hearing loss patient needs.
Hearing deficiency is compensated using the residual hearing of patient, enables hearing loss patient that can hear sound as normal good hearing,
It is the current most effective instrument that deafness patient is helped to improve hearing.But hearing aid is expensive, the present basic human hand one of mobile phone,
We are explored in mobile phone（Particularly old man's machine）The upper function of realizing hearing aid.
Hearing aid is mainly made of elements such as microphone, amplifier, receiver, battery, various volume tone knobs.Sound is believed
Number electric signal is converted to through microphone, after being amplified by amplifier, electric signal is reduced to acoustical signal by receiver and reaches human ear.
Mobile phone is also to be made of devices such as microphone, amplifier, receivers, thus also possess realize function of hearing aid can
It can property.But old man's machine in the market be using typhon improve call by force when other side volume or with big volume play
FM radios or MP3 music, without realizing the effect that old man is helped not hear live other side's voice.
It is to receive the receiver that our voice signal is transferred to other side again that Mike's wind action is directed in existing Cell Phone Design
Loud speaker, and the effect of receiver or loud speaker is to play the voice received from other side's mobile phone.When the wheat for opening the machine by force
Gram wind to loud speaker audio loop when, since microphone and the loudspeaker distance of mobile phone are too near, serious howling will be generated；
Both sides are also inconvenient simultaneously close to mobile phone, and the mouth for the side of speaking is attached to against microphone, while the loud speaker of mobile phone on ear；
In addition, the sound decibel amplified by loud speaker may be excessively high, other people are seriously affected.Therefore other better skills must be passed through
Art means realize hearing aid on mobile phone.
The content of the invention
The purpose of this utility model is that in view of the above-mentioned defects in the prior art, provide a kind of mobile end with hearing-aid function
The technology of hearing-aid function is realized in end in 2G/3G/4G mobile phones, by using the standard cable earphone of market popularity, realizes amplification language
Sound, the user for enabling hearing weak do not hear the sound of other side.This technology can be widely applied to the electronics production of various support ear-phone functions
Product solve the dysaudia of user.
To achieve these goals, the technical solution of the utility model is：
A kind of mobile terminal with hearing-aid function, including device body and earphone, described device body is built-in with PCBA board,
The PCBA board includes body microphone-loudspeaker audio circuit and the first audio-frequency amplifier, and described device body is equipped with sound
Key, hearing aid on ＆ off switch, microphone and earphone jack are measured, the earphone includes headset earpiece, ear microphone-loudspeaker audio is returned
Road, hearing-aid function switching circuit, the second audio-frequency amplifier earphone cable and headset plug, the headset plug and described device body
On earphone jack be connected, after the hearing aid on ＆ off switch, start hearing-aid function switching circuit, it is described during into hearing-aid function
The audio signal of device body output exports after being amplified by second audio-frequency amplifier.
As the improvement to above-mentioned technical proposal, the body microphone-loudspeaker audio circuit and ear microphone-is raised
Sound device audio loop by resistance R1, resistance R2, resistance R3, resistance R4, zener diode V1, zener diode V2, capacitance C1,
Capacitance C2, capacitance C3, capacitance C4, capacitance C5, capacitance C6, inductance L1, inductance L2, first input end, first lead-out terminal,
Two leading-out terminals and the 3rd leading-out terminal are formed, and described first input end one end is connected with V1 cathodes, and first input end is another
One end is connected with V2 cathodes, and the V1 and V2 anodes are grounded, and described inductance L1 one end is connected with V1 cathodes, the other end and capacitance
C1 is connected with the common port of capacitance C2, and described inductance L2 one end is connected with V2 cathodes, the public affairs of the other end and capacitance C2 and capacitance C3
End is connected altogether, and the other end of the capacitance C1 and capacitance C3 are grounded, and one end of the capacitance C4 is with resistance R1's and resistance R2
Common port is connected, and the other end is connected with the common port of resistance R3 and resistance R4, the other end and capacitance C1, the capacitance of the resistance R2
C2 is connected with the common port of capacitance C5, and the other end of resistance R3 is connected with the common port of capacitance C2, capacitance C3 and capacitance C6, resistance
The other end of R1 is connected with first lead-out terminal, the other end ground connection of resistance R4, the other end and second output terminal of capacitance C5
It is connected, the other end of capacitance C6 is connected with the 3rd leading-out terminal.
As the improvement to above-mentioned technical proposal, the hearing-aid function switching circuit includes the first control chip U1, second
Control chip U2, resistance R5, resistance R6, capacitance C7, inductance L3, inductance L4, the second input terminal, the 3rd input terminal, the 4th
Input terminal, the 5th input terminal, the 4th leading-out terminal and the 5th leading-out terminal are formed, and the U1 includes the first pin, second
Pin, the 3rd pin, the 4th pin, the 5th pin and the 6th pin, the U2 draw including the 7th pin, the 8th pin, the 9th
Foot, the tenth pin, the 11st pin and the 12nd pin, first pin and the 7th pin are hanging, the second pin with
8th pin is grounded, and the 3rd pin is connected with the 4th input terminal, and the 4th pin is connected with inductance L3 one end, electricity
Sense the L3 other ends be connected with the 4th leading-out terminal, the 5th pin be connected with the 11st pin after with the 3rd input terminal phase
Even, the 3rd input terminal is also connected with capacitance C7 one end, and capacitance C7 other ends ground connection, the 6th pin draws with the 12nd
The common port that foot is connected afterwards with resistance R5 and resistance R6 is connected, and the other end of the resistance R5 is connected with the second input terminal, institute
The other end ground connection of resistance R6 is stated, the 9th pin is connected with the 5th input terminal, the tenth pin and inductance L4 one end
It is connected, the inductance L4 other ends are connected with the 5th leading-out terminal.
As the improvement to above-mentioned technical proposal, during into hearing-aid function, the volume key can be passed through and adjust hearing aid sound
The height of amount reaches optimal hearing aid effect.
As the improvement to above-mentioned technical proposal, the distance of the ear microphone and the loud speaker is more than 20 centimetres.
As the improvement to above-mentioned technical proposal, the overall length of the earphone cable is greater than or equal to 1 meter.
As the improvement to above-mentioned technical proposal, into hearing-aid function when may be selected to open earphone by a hearing aid on ＆ off switch
Microphone-loudspeaker audio circuit if environment is noisy, may be selected by hearing aid on ＆ off switch simultaneous opening device body Mike twice
Wind-loudspeaker audio circuit and the audio loop of ear microphone-loud speaker form the sound of body microphone-earphone loud speaker
Frequency circuit.
Compared with prior art, the utility model has the advantages and positive effects of：
The mobile terminal with hearing-aid function of the utility model, only existing mobile terminal design need to be done partial adjustment and
Optimization, and the audio frequency control technology of coupling apparatus body and earphone, it is possible to existing general headrest line realization be made full use of to help
Auditory function without increasing extra-pay, realizes technology with cost well below common hearing aid.
And old man can be selected, and quality tonequality is good, earphone of comfortable wearing, connects earphone, the hearing aid pressed on mobile phone is fast
Prompt key can just use, simple to operate, will not think there is the unnatural sense for wearing hearing aid.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the body microphone-loudspeaker audio circuit of the utility model and ear microphone-loudspeaker audio circuit
Circuit diagram；
Fig. 3 is the hearing-aid function switching circuit figure of the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, any modifications, equivalent replacements and improvements are made should be included in the utility model
Within protection domain.
As shown in Figure 1, the mobile terminal with hearing-aid function of the utility model, described including device body 1 and earphone 2
Device body 1 is built-in with PCBA board 3, the PCBA board 3 is put including 4 and first audio of body microphone-loudspeaker audio circuit
Big device 5, described device body 1 are equipped with volume key, hearing aid on ＆ off switch, microphone and earphone jack, and the earphone 2 includes earphone
Receiver 6, ear microphone-loudspeaker audio circuit 7, hearing-aid function switching circuit 8, the second audio-frequency amplifier 9,10 and of earphone cable
Headset plug, the headset plug are connected with the earphone jack on described device body 1, after the hearing aid on ＆ off switch, start
Hearing-aid function switching circuit 8, during into hearing-aid function, the audio signal that described device body 1 exports passes through second audio
Amplifier 9 exports after amplifying.
As shown in Fig. 2, the body microphone-loudspeaker audio circuit 4 and ear microphone-loudspeaker audio circuit 7
By resistance R1, resistance R2, resistance R3, resistance R4, zener diode V1, zener diode V2, capacitance C1, capacitance C2, capacitance
C3, capacitance C4, capacitance C5, capacitance C6, inductance L1, inductance L2, first input end 11, first lead-out terminal 12, second export
13 and the 3rd leading-out terminal 14 of terminal is formed, and described 11 one end of first input end is connected with V1 cathodes, first input end 11
The other end is connected with V2 cathodes, and the V1 and V2 anodes are grounded, and described inductance L1 one end is connected with V1 cathodes, the other end and electricity
Hold C1 with the common port of capacitance C2 to be connected, described inductance L2 one end is connected with V2 cathodes, and the other end is with capacitance C2's and capacitance C3
Common port is connected, and the other end of the capacitance C1 and capacitance C3 are grounded, one end and the resistance R1 and resistance R2 of the capacitance C4
Common port be connected, the other end is connected with the common port of resistance R3 and resistance R4, the other end of resistance R2 and capacitance C1, capacitance C2
It is connected with the common port of capacitance C5, the other end of resistance R3 is connected with the common port of capacitance C2, capacitance C3 and capacitance C6, resistance R1
The other end be connected with first lead-out terminal 12, the other end of resistance R4 ground connection, the other end and second output terminal of capacitance C5
13 are connected, and the other end of capacitance C6 is connected with the 3rd leading-out terminal 14.
As shown in figure 3, the hearing-aid function switching circuit 8 includes the first control chip U1, the second control chip U2, resistance
R5, resistance R6, capacitance C7, inductance L3, inductance L4, the second input terminal 15, the 3rd input terminal 16, the 4th input terminal 17,
5th input terminal 18, the 4th leading-out terminal 19 and the 5th leading-out terminal 20 are formed, and the U1 draws including the first pin 21, second
Foot 22, the 3rd pin 23, the 4th pin 24, the 5th pin 25 and the 6th pin 26, the U2 draw including the 7th pin the 27, the 8th
Foot 28, the 9th pin 29, the tenth pin 30, the 11st pin 31 and the 12nd pin 32, first pin 21 draw with the 7th
Foot 27 is hanging, and the second pin 22 is grounded with the 8th pin 28, and the 3rd pin 23 is connected with the 4th input terminal 17,
4th pin 24 is connected with inductance L3 one end, and the inductance L3 other ends are connected with the 4th leading-out terminal 19, the 5th pin
25 be connected with the 11st pin 31 after is connected with the 3rd input terminal 16, the 3rd input terminal 16 also with capacitance C7 one end phase
Even, capacitance C7 other ends ground connection, the 6th pin 26 are public with resistance R5 and resistance R6 after being connected with the 12nd pin 32
End is connected, and the other end of the resistance R5 is connected with the second input terminal 15, the other end ground connection of the resistance R6, and the described 9th
Pin 29 is connected with the 5th input terminal 18, and the tenth pin 30 is connected with inductance L4 one end, the inductance L4 other ends and the 5th
Leading-out terminal 20 is connected.
The distance of the ear microphone and the loud speaker is more than 20 centimetres, and the overall length of the earphone cable is greater than or equal to
It 1 meter, during into hearing-aid function, may be selected to open ear microphone-loudspeaker audio circuit 7 by a hearing aid on ＆ off switch, if ring
Border is noisy, may be selected by hearing aid on ＆ off switch twice, simultaneous opening device body microphone-loudspeaker audio circuit 4 and earphone wheat
The audio loop 7 of gram wind-loud speaker forms the audio loop of body microphone-earphone loud speaker, can also pass through the volume
Key adjusts the height of hearing aid volume, reaches optimal hearing aid effect.
Claims (7)
1. a kind of mobile terminal with hearing-aid function, including device body and earphone, which is characterized in that built in described device body
There is PCBA board, the PCBA board includes body microphone-loudspeaker audio circuit and the first audio-frequency amplifier, described device body
Volume key, hearing aid on ＆ off switch, microphone and earphone jack are equipped with, the earphone includes headset earpiece, ear microphone-raise one's voice
Device audio loop, hearing-aid function switching circuit, the second audio-frequency amplifier earphone cable and headset plug, the headset plug with it is described
Earphone jack on device body is connected, and after the hearing aid on ＆ off switch, starts hearing-aid function switching circuit, into hearing-aid function
When, the audio signal of described device body output after second audio-frequency amplifier amplification by exporting.
2. the mobile terminal according to claim 1 with hearing-aid function, which is characterized in that the body microphone-raise one's voice
Device audio loop and ear microphone-loudspeaker audio circuit are by resistance R1, resistance R2, resistance R3, resistance R4, two pole of voltage stabilizing
Pipe V1, zener diode V2, capacitance C1, capacitance C2, capacitance C3, capacitance C4, capacitance C5, capacitance C6, inductance L1, inductance L2,
One input terminal, first lead-out terminal, second output terminal son and the 3rd leading-out terminal form, described first input end one end with
V1 cathodes are connected, and the first input end other end is connected with V2 cathodes, and the V1 and V2 anodes are grounded, described inductance L1 one end
It is connected with V1 cathodes, the other end is connected with the common port of capacitance C1 and capacitance C2, and described inductance L2 one end is connected with V2 cathodes, separately
One end is connected with the common port of capacitance C2 and capacitance C3, and the other end of the capacitance C1 and capacitance C3 are grounded, the capacitance C4
One end be connected with the common port of resistance R1 and resistance R2, the other end is connected with the common port of resistance R3 and resistance R4, the electricity
The other end of resistance R2 is connected with the common port of capacitance C1, capacitance C2 and capacitance C5, the other end and capacitance C2, the capacitance C3 of resistance R3
It is connected with the common port of capacitance C6, the other end of resistance R1 is connected with first lead-out terminal, the other end ground connection of resistance R4, capacitance
The other end of C5 is connected with second output terminal, and the other end of capacitance C6 is connected with the 3rd leading-out terminal.
3. the mobile terminal according to claim 1 with hearing-aid function, which is characterized in that the hearing-aid function switching circuit
Including the first control chip U1, the second control chip U2, resistance R5, resistance R6, capacitance C7, inductance L3, inductance L4, the second input
Terminal, the 3rd input terminal, the 4th input terminal, the 5th input terminal, the 4th leading-out terminal and the 5th leading-out terminal are formed, institute
Stating U1 includes the first pin, second pin, the 3rd pin, the 4th pin, the 5th pin and the 6th pin, and the U2 includes the 7th
Pin, the 8th pin, the 9th pin, the tenth pin, the 11st pin and the 12nd pin, first pin and the 7th pin
Vacantly, the second pin is grounded with the 8th pin, and the 3rd pin is connected with the 4th input terminal, the 4th pin
It is connected with inductance L3 one end, the inductance L3 other ends are connected with the 4th leading-out terminal, and the 5th pin is connected with the 11st pin
It is connected afterwards with the 3rd input terminal, the 3rd input terminal is also connected with capacitance C7 one end, capacitance C7 other ends ground connection, described
6th pin is connected with the common port that the 12nd pin is connected afterwards with resistance R5 and resistance R6, the other end of the resistance R5 and
Two input terminals are connected, and the other end ground connection of the resistance R6, the 9th pin is connected with the 5th input terminal, and the described tenth
Pin is connected with inductance L4 one end, and the inductance L4 other ends are connected with the 5th leading-out terminal.
4. the mobile terminal according to claim 1 with hearing-aid function, which is characterized in that, can be with during into hearing-aid function
The height of hearing aid volume is adjusted by the volume key, reaches optimal hearing aid effect.
5. the mobile terminal according to claim 1 with hearing-aid function, which is characterized in that the ear microphone with it is described
The distance of loud speaker is more than 20 centimetres.
6. the mobile terminal according to claim 1 with hearing-aid function, which is characterized in that the overall length of the earphone cable is more than
Or equal to 1 meter.
7. according to any mobile terminals with hearing-aid function of claim 1-6, which is characterized in that into hearing-aid function
When may be selected to open ear microphone-loudspeaker audio circuit by hearing aid on ＆ off switch, if environment is noisy, may be selected by twice
Hearing aid on ＆ off switch simultaneous opening device body microphone-loudspeaker audio circuit and the audio loop of ear microphone-loud speaker,
Form the audio loop of body microphone-earphone loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677876.5U CN207443128U (en) | 2017-12-06 | 2017-12-06 | A kind of mobile terminal with hearing-aid function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677876.5U CN207443128U (en) | 2017-12-06 | 2017-12-06 | A kind of mobile terminal with hearing-aid function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207443128U true CN207443128U (en) | 2018-06-01 |
Family
ID=62285688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721677876.5U Expired - Fee Related CN207443128U (en) | 2017-12-06 | 2017-12-06 | A kind of mobile terminal with hearing-aid function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207443128U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587340A (en) * | 2018-12-20 | 2019-04-05 | 努比亚技术有限公司 | Method, mobile terminal and the storage medium of hearing aid are realized based on mobile terminal |
| CN110166897A (en) * | 2019-05-14 | 2019-08-23 | 惠州Tcl移动通信有限公司 | Realize multiple functions audio system and method |
| CN112740720A (en) * | 2018-09-11 | 2021-04-30 | 奥迪股份公司 | Method for operating a loudspeaker device simultaneously in a loudspeaker function and in a microphone function, and loudspeaker device |
-
2017
- 2017-12-06 CN CN201721677876.5U patent/CN207443128U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112740720A (en) * | 2018-09-11 | 2021-04-30 | 奥迪股份公司 | Method for operating a loudspeaker device simultaneously in a loudspeaker function and in a microphone function, and loudspeaker device |
| CN109587340A (en) * | 2018-12-20 | 2019-04-05 | 努比亚技术有限公司 | Method, mobile terminal and the storage medium of hearing aid are realized based on mobile terminal |
| CN109587340B (en) * | 2018-12-20 | 2021-06-15 | 努比亚技术有限公司 | Method for realizing hearing aid based on mobile terminal, mobile terminal and storage medium |
| CN110166897A (en) * | 2019-05-14 | 2019-08-23 | 惠州Tcl移动通信有限公司 | Realize multiple functions audio system and method |
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Granted publication date: 20180601 Termination date: 20201206 |