CN208158855U - A kind of volume amplification accessory and terminal - Google Patents
A kind of volume amplification accessory and terminal Download PDFInfo
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- CN208158855U CN208158855U CN201820588527.4U CN201820588527U CN208158855U CN 208158855 U CN208158855 U CN 208158855U CN 201820588527 U CN201820588527 U CN 201820588527U CN 208158855 U CN208158855 U CN 208158855U
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- volume
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- amplifier
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Abstract
The utility model provides a kind of volume amplification accessory and terminal, is related to movable accessory field, and volume amplification accessory includes：Volume amplifier and earphone interface.The audio signal input end of volume amplifier is electrically connected with the L channel end of earphone interface and right channel end respectively, and volume amplifier is used to amplify the audio signal by the received terminal output of earphone interface.The power end of volume amplifier is electrically connected with the end Mike MIC of earphone interface.The end MIC is used for when earphone interface is electrically connected with terminal, is connected to the power supply of terminal.Volume amplification accessory obtains power supply and audio signal from terminal by earphone interface and carries out volume amplification, not only offers convenience to crowd hard of hearing, while also facilitating terminal sound in life and needing the case where amplifying.Secondly, volume, which amplifies accessory, obtains power supply from terminal, therefore configuration independent current source is not needed, to reduce the size of volume amplification accessory, improves portability.
Description
Technical field
The utility model relates to movable accessory field more particularly to a kind of volume amplification accessory and terminals.
Background technique
The volume (such as incoming ring tone volume or the outer playback amount of music) of mobile terminal depends primarily on terminal use at present
Loudspeaker, and for crowd hard of hearing, the volume of mobile terminal itself is unable to satisfy demand.It in the prior art, can be by
Speaker is to improve the volume of mobile device, but the portability of speaker is poor, as a consequence it is hardly possible to carry.
Utility model content
The utility model provides a kind of volume amplification accessory and terminal, for solving in the prior art by speaker to improve
Not convenient enough the problem of mobile device volume.
On the one hand, the utility model provides a kind of volume amplification accessory, including：Volume amplifier and earphone interface.
The audio signal input end of the volume amplifier is electrically connected with the L channel end of the earphone interface and right channel end respectively, institute
Volume amplifier is stated for amplifying the audio signal by the received terminal output of the earphone interface.The volume amplification
The power end of device is electrically connected with the end Mike MIC of the earphone interface；The end MIC, for the earphone interface with it is described
When terminal is electrically connected, it is connected to the power supply of the terminal.Due to volume amplification accessory by the end MIC in earphone interface with
The power supply of terminal is connected to, and the audio signal of terminal output is received by the L channel end of earphone interface and right channel end, so
Received audio signal is amplified by volume amplifier afterwards, to realize amplification to terminal volume, not only to crowd hard of hearing with
It facilitates, while also facilitating terminal sound in life and needing the case where amplifying.Secondly, volume, which amplifies accessory, obtains confession from terminal
Power supply, therefore do not need to amplify in accessory in volume and independent power supply is set, to reduce the size of volume amplification accessory, mention
High portability, is carried convenient for user.
Optionally, the enable end of the volume amplifier is connect with the power end of the volume amplifier.
Optionally, the volume amplifier includes audio-frequency power amplifier and acoustical-electrical transducer.The Audio power amplifier
The power end of device is connect with the end MIC of the earphone interface, the audio signal input end of the audio-frequency power amplifier respectively with
The L channel end of the earphone interface and the electrical connection of right channel end, the enable end of the audio-frequency power amplifier and the audio function
The power end of rate amplifier connects, and the output end of the audio-frequency power amplifier is connect with the acoustical-electrical transducer.
Optionally, it connects between the enable end of the audio-frequency power amplifier and the power end of the audio-frequency power amplifier
Second resistance；It connects between the enable end of the audio-frequency power amplifier and ground terminal 3rd resistor.
Optionally, volume amplification accessory further includes luminous component；The luminous component is connect with the end MIC, for leading to
It crosses the end MIC and obtains power supply from the terminal.Luminous component is set by amplifying in volume in accessory, therefore is needed in incoming call etc.
When reminding the scene of user, amplification of volume shines in combination with luminous component, can reach and preferably remind effect.
Optionally, the luminous component includes the light emitting diode and first being series between the end MIC and ground terminal
Resistance.
On the one hand, the utility model provides a kind of terminal, including：
Processor, power supply, switch block, earphone jack；
The power supply, the switch block and the earphone jack are connected in series；The earphone jack is for connecting
The earphone interface of above-mentioned volume amplification accessory；
The processor is connect with the enable end of the switch block, for when detecting volume amplification accessory,
The switch block closure is controlled, to be that the volume amplifies accessory power supply by the power supply；
The processor is connect with the earphone jack, is also used to pass through the earphone jack and the sound in the terminal
When amount amplification accessory connection, amplify accessory output audio signal to the volume.
In the utility model, since volume amplification accessory is connected by the power supply at the end MIC and terminal in earphone interface
It is logical, the audio signal of terminal output is received by the L channel end of earphone interface and right channel end, then passes through volume amplifier
Amplify received audio signal, to realize the amplification to terminal volume, not only offers convenience to crowd hard of hearing, while also facilitating
Terminal sound needs the case where amplifying in life.Secondly, volume, which amplifies accessory, obtains power supply from terminal, therefore do not need
Independent power supply is set in volume amplification accessory, to reduce the size of volume amplification accessory, improves portability, convenient for using
It carries at family.In addition, lighting fitting is arranged in accessory by amplifying in volume, therefore need to remind the scene of user in incoming call etc.
When, amplification of volume shines in combination with luminous component, can reach and preferably remind effect, to bring advantage to the user.
Detailed description of the invention
It, below will be to required use in embodiment description in order to illustrate more clearly of the technical solution in the utility model
Attached drawing briefly introduce, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for
For those skilled in the art, without any creative labor, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram that a kind of volume provided by the utility model amplifies accessory；
Fig. 2 is the structural schematic diagram that a kind of volume provided by the utility model amplifies accessory；
Fig. 3 is the structural schematic diagram that a kind of volume provided by the utility model amplifies accessory；
Fig. 4 is the structural schematic diagram that a kind of volume provided by the utility model amplifies accessory；
Fig. 5 is the structural schematic diagram that a kind of volume provided by the utility model amplifies accessory；
Fig. 6 is the structural schematic diagram that a kind of volume provided by the utility model amplifies accessory；
Fig. 7 is the structural schematic diagram that a kind of volume provided by the utility model amplifies accessory；
Fig. 8 is the structural schematic diagram that a kind of volume provided by the utility model amplifies accessory；
Fig. 9 is a kind of structural schematic diagram of terminal provided by the utility model；
Figure 10 is a kind of structural schematic diagram of terminal provided by the utility model；
Figure 11 is the flow diagram that a kind of volume provided by the utility model amplifies accessory recognition methods.
Specific embodiment
In order to which the purpose of this utility model, technical solution and beneficial effect is more clearly understood, below in conjunction with attached drawing and
Embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to
It explains the utility model, is not used to limit the utility model.
Fig. 1 shows a kind of structure of volume amplification accessory of the utility model, as shown in Figure 1, the volume amplifies accessory
It specifically includes：Volume amplifier 101 and earphone interface 102, the audio signal input end 1011 of volume amplifier 101 respectively with
The L channel end 1021 of earphone interface and right channel end 1022 are electrically connected, and volume amplifier 101 passes through earphone interface for amplifying
The audio signal that 102 received terminals 103 export.The power end 1012 of volume amplifier 101 and the end Mike MIC of earphone interface
1023 electrical connections.The end MIC 1023 is used for when earphone interface 102 is electrically connected with terminal 103 and the power supply 1031 of terminal connects
It is logical.The ground terminal of earphone interface 102 is connect with the ground terminal of volume amplifier 101.It should be noted that in the utility model
Earphone interface 102 is not limited in this one kind shown in Fig. 1, can be with other types of earphone interface, than as shown in Figure 2 or Figure 3
Earphone interface, this utility model is not specifically limited.Earphone interface can be 3.5mm earphone interface, be also possible to
2.5mm earphone interface can also be Typc-C earphone interface.In addition, the volume amplification accessory in the utility model is suitable for respectively
Kind volume amplifies scene, such as incoming ring tone amplification, music amplification, the voice amplification of chat software etc..Due to volume
Amplification accessory is connected to by the end MIC in earphone interface with the power supply of terminal, and the L channel end of earphone interface and the right side are passed through
Sound channel end receives the audio signal of terminal output, then amplifies received audio signal by volume amplifier, thus realization pair
The amplification of terminal volume not only offers convenience to crowd hard of hearing, while also facilitating terminal sound in life and needing the feelings amplified
Condition.Secondly, volume, which amplifies accessory, obtains power supply from terminal, therefore does not need to amplify in accessory in volume and independent electricity is set
Source improves portability, carries convenient for user to reduce the size of volume amplification accessory.
Optionally, as shown in figure 4, in volume amplification accessory, the enable end 1013 of volume amplifier 101 and volume amplifier
101 power end 1012 connects, and the switch of volume amplifier 101 is realized in the enable end 1013 by controlling volume amplifier 101.
Optionally, as shown in figure 5, volume amplifier 101 includes audio-frequency power amplifier 104 and acoustical-electrical transducer 105,
In, the power end 1041 of audio-frequency power amplifier 104 is connect with the end MIC 1023 of earphone interface, audio-frequency power amplifier 104
Audio signal input end 1042 is electrically connected with the L channel end 1021 of earphone interface 102 and right channel end 1022 respectively, audio function
The enable end 1043 of rate amplifier 104 is connect with the power end 1041 of audio-frequency power amplifier 104, audio-frequency power amplifier 104
Output end 1044 connect with acoustical-electrical transducer 105, the ground connection of the ground terminal of earphone interface 102 and audio-frequency power amplifier 104
End connection.Acoustical-electrical transducer 105 includes but is not limited to loudspeaker, loudspeaker.Power supply by terminal is Audio power amplifier
Then device power supply further passes through loudspeaker so that audio-frequency power amplifier carries out power amplification to the audio signal that terminal exports
Equal acoustical-electrical transducers play out audio signal, to realize the amplification of terminal volume, offer convenience to crowd hard of hearing.
Optionally, as shown in fig. 6, the power supply of the enable end 1043 of audio-frequency power amplifier 104 and audio-frequency power amplifier
Series connection second resistance 106 between end 1041, third of connecting between the enable end 1043 and ground terminal of audio-frequency power amplifier 104 electricity
Resistance 107.Due to the voltage that the voltage of the power end of audio-frequency power amplifier is terminal power supply, for audio-frequency power amplifier
Enable end for, the voltage of terminal power supply is excessive, therefore in the enable end of audio-frequency power amplifier and Audio power amplifier
It connects between the power end of device second resistance, to realize the protection to audio-frequency power amplifier.When volume amplification accessory does not have
When connecting with terminal, the enable end of audio-frequency power amplifier is set to by low level by 3rd resistor, so that audio power be made to put
Big device stops working.
Optionally, as shown in fig. 7, volume amplification accessory further includes luminous component 108, luminous component 108 and the end MIC 1023
Connection, for obtaining power supply from terminal 103 by the end MIC 1023.By amplifying in volume, luminous component is set in accessory, therefore
When incoming call etc. needs to remind the scene of user, amplification of volume shines in combination with luminous component, can reach and preferably remind effect.
Optionally, as shown in figure 8, luminous component 108 includes the light-emitting diodes being series between the end MIC 1023 and ground terminal
Pipe 1081 and first resistor 1082.
Fig. 9 shows a kind of structure of terminal of the utility model, as shown in figure 9, the terminal 103 includes：Power supply
1031, processor 1032, switch block 1033, earphone jack 1034.Power supply 1031, switch block 1033 and earphone jack
1034 are connected in series, and earphone jack 1034 is used to connect the earphone interface 102 of volume amplification accessory.Processor 1032 and switch portion
The enable end 1035 of part 1033 connects, for when detecting volume amplification accessory, control switch component 1033 to be closed, thus logical
Crossing power supply 1031 is that volume amplifies accessory power supply.Processor 1032 is connect with earphone jack 1034, is also used in terminal 103
When connecting by earphone jack 1034 with volume amplification accessory, amplify accessory output audio signal to volume.By in the terminal
Switch block is set, is detecting that volume amplification accessory connect by earphone jack with terminal, and terminal needs volume to put at this time
When big, processor control switch members close is so that power supply is that volume amplifies accessory power supply, without amplifying in volume
Power supply is set in accessory, so that one side terminal volume is amplified, on the other hand reduces the size of volume amplification accessory, mentions
High portability.
Optionally, as shown in Figure 10, switch block 1033 can be thin film transistor (TFT), processor 1032 and thin film transistor (TFT)
Grid 10361 connect, power supply 1031 connect with the drain electrode 10362 of thin film transistor (TFT), earphone jack 1034 and film crystalline substance
The source electrode 10363 of body pipe connects, the 4th resistance 10364 of connecting between the grid 10361 and ground terminal of thin film transistor (TFT).Work as terminal
103 amplify accessory by earphone jack 1034 and volume when connect, if terminal 103 sends a telegram here or when broadcasting music, processor
The grid 10361 of thin film transistor (TFT) is set to high level by 1032 output control signals, so that 10362 He of drain electrode of thin film transistor (TFT)
The source electrode 10363 of thin film transistor (TFT) is connected, and power supply 1031 passes through the drain electrode 10362 of thin film transistor (TFT) and thin film transistor (TFT)
Source electrode 10363 is that volume amplifies accessory power supply.When terminal 103, which amplifies accessory with volume by earphone jack 1034, to be connect, if
Music is not sent a telegram here or played to terminal 103, and the grid 10361 of thin film transistor (TFT) is set to low level by the 4th resistance 10364, thin
The drain electrode 10362 of film transistor and the source electrode 10363 of thin film transistor (TFT) disconnect.
The utility model provides a kind of volume amplification system, including above-mentioned terminal and volume amplify accessory.
Figure 11 shows a kind of corresponding volume amplification accessory recognition methods of the utility model, is suitable for above-mentioned terminal, packet
Include following steps：
Step S1101, the external equipment of terminal test earphone jack.
Step S1102 judges whether to detect MIC signal.
Step S1103, if so, determining that external equipment is earphone.
Otherwise step S1104 determines that external equipment is that volume amplifies accessory.
MIC signal is the signal of earphone for identification, when terminal detects that external equipment is earphone, closes the sound of terminal
Amount is outer to put component, such as loudspeaker etc..Then audio signal is exported to earphone by earphone jack.When terminal detect it is external
When equipment is that volume amplifies accessory, switch block closure can be directly controlled, so that the power supply of terminal is that volume amplification is matched
Part power supply, can also when detecting audio signal control switch members close again so that the power supply of terminal is put for volume
Big accessory power supply.Audio signal is directly exported to volume when detecting audio signal and amplifies accessory by terminal.When terminal is not examined
When measuring external equipment, control switch component is disconnected, therefore power supply stops power supply.Optionally, when terminal detects external set
Put component outside the standby volume that when amplifying accessory for volume, can be opened a terminal, can be amplified in this way by volume accessory amplification with
And put component outside the volume of terminal itself and amplify the volume of terminal together, to reach better volume amplification effect.Terminal is logical
The external equipment of detection MIC signal identification is crossed, for different external equipments, using different control methods, to guarantee sound
The normal work of amount amplification accessory.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (7)
1. a kind of volume suitable for terminal amplifies accessory, which is characterized in that including：Volume amplifier and earphone interface；
The audio signal input end of the volume amplifier is electrically connected with the L channel end of the earphone interface and right channel end respectively
It connects, the volume amplifier is used to amplify the audio signal by the received terminal output of the earphone interface；
The power end of the volume amplifier is electrically connected with the end Mike MIC of the earphone interface；The end MIC, in institute
When stating earphone interface and being electrically connected with the terminal, it is connected to the power supply of the terminal.
2. volume as described in claim 1 amplifies accessory, which is characterized in that the enable end of the volume amplifier and the sound
Measure the power end connection of amplifier.
3. volume as claimed in claim 2 amplifies accessory, which is characterized in that the volume amplifier includes Audio power amplifier
Device and acoustical-electrical transducer；
The power end of the audio-frequency power amplifier is connect with the end MIC of the earphone interface, the audio-frequency power amplifier
Audio signal input end is electrically connected with the L channel end of the earphone interface and right channel end respectively, the audio-frequency power amplifier
Enable end connect with the power end of the audio-frequency power amplifier, the output end of the audio-frequency power amplifier and the acoustic-electric
Converter connection.
4. volume as claimed in claim 3 amplifies accessory, which is characterized in that the enable end of the audio-frequency power amplifier and institute
State second resistance of connecting between the power end of audio-frequency power amplifier；The enable end of the audio-frequency power amplifier and ground terminal it
Between connect 3rd resistor.
5. volume according to any one of claims 1 to 4 amplifies accessory, which is characterized in that further include luminous component；
The luminous component is connect with the end MIC, for obtaining power supply from the terminal by the end MIC.
6. volume as claimed in claim 5 amplifies accessory, which is characterized in that the luminous component includes being series at the MIC
Light emitting diode and first resistor between end and ground terminal.
7. a kind of terminal, which is characterized in that including：
Processor, power supply, switch block, earphone jack；
The power supply, the switch block and the earphone jack are connected in series；The earphone jack is for connecting as weighed
Benefit require any one of 1 to 6 described in volume amplification accessory earphone interface；
The processor is connect with the enable end of the switch block, for controlling when detecting the volume amplification accessory
The switch block closure, to be that the volume amplifies accessory power supply by the power supply；
The processor is connect with the earphone jack, is also used to put in the terminal by the earphone jack and the volume
When big accessory connection, amplify accessory output audio signal to the volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588527.4U CN208158855U (en) | 2018-04-24 | 2018-04-24 | A kind of volume amplification accessory and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588527.4U CN208158855U (en) | 2018-04-24 | 2018-04-24 | A kind of volume amplification accessory and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158855U true CN208158855U (en) | 2018-11-27 |
Family
ID=64374969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820588527.4U Active CN208158855U (en) | 2018-04-24 | 2018-04-24 | A kind of volume amplification accessory and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114765714A (en) * | 2021-01-14 | 2022-07-19 | 深圳市三诺数字科技有限公司 | AUX input circuit and audio playing system |
-
2018
- 2018-04-24 CN CN201820588527.4U patent/CN208158855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114765714A (en) * | 2021-01-14 | 2022-07-19 | 深圳市三诺数字科技有限公司 | AUX input circuit and audio playing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Patentee after: Huaqin Technology Co.,Ltd. Address before: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Patentee before: Huaqin Technology Co.,Ltd. Address after: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Patentee after: Huaqin Technology Co.,Ltd. Address before: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Patentee before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |