CN208722179U - External sound card accessory - Google Patents
External sound card accessory Download PDFInfo
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- CN208722179U CN208722179U CN201821513407.4U CN201821513407U CN208722179U CN 208722179 U CN208722179 U CN 208722179U CN 201821513407 U CN201821513407 U CN 201821513407U CN 208722179 U CN208722179 U CN 208722179U
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- sound card
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- external sound
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Abstract
The utility model discloses a kind of external sound card accessories comprising: sound card interface, handset port, Power Management Unit and power supply unit.Said supply unit and the Power Management Unit electric signal communication, to be powered to the external external sound card in the sound card interface and the external intelligent mobile terminal in the handset port.Compared with prior art, use the external sound card accessory, can the intelligent mobile terminals such as mobile phone, tablet computer USB interface while accessing external sound card, power supply unit can also be accessed simultaneously, the USB interface of the intelligent mobile terminals such as mobile phone, tablet computer is solved when being occupied by external sound card, the problem of power supply unit is powered can not be connected.
Description
Technical field
The utility model relates to a kind of external sound card accessories.
Background technique
On the basis of the internets entertainment forms such as network singing, network main broadcaster are gradually diversified, the shifting of mobile phone is relied on
Dynamic internet amusement also starts extensive development.
Currently, in the user that mobile phone terminal is sung or is broadcast live, relative to using mobile phone analogue audio frequency mouth
The analog signal input of sound card is connected with input audio, external sound card is connected using hand-set digit interface and carries out singing or straight
Audio input quality can be greatly promoted by broadcasting, and obtain the binaural audio signal of low noise.
However, a current greatest problem for carrying out network singing or network direct broadcasting using mobile phone come external sound card is exactly
The electricity of mobile phone is difficult to meet the time that uses of user, and mobile phones all at present all only one digital USB interfaces are connect using this
After mouth connection sound card, charging equipment can not be just reconnected.Moreover, being limited to external sound card and mobile phone sheet in many cases,
The limitation of body, user want to realize that it is substantially difficult to realize for being broadcast live in charging.
Utility model content
In view of this, it is actually necessary to provide a kind of external sound card accessory for being able to solve the above problem.
A kind of external sound card accessory comprising: sound card interface is integrated with sound card audio signal wire and sound card power supply
Line, the external sound card accessory are electrically connected by the sound card interface with external sound card；Handset port is integrated with handset audio
Signal wire and cellular phone power supplies line, the external sound card accessory pass through the external intelligent mobile terminal of the handset port, wherein institute
State handset audio signal wire and the sound card audio signal wire electric signal communication so that the intelligent mobile terminal with it is described external
Sound card carries out audio signal interaction by the external sound card accessory；Power Management Unit, respectively with the sound card power supply line
It is connected with cellular phone power supplies line electric signal, for the external external sound card in the sound card interface and external in the mobile phone
The intelligent mobile terminal of interface is powered management；And power supply unit, and the Power Management Unit electric signal communication, with
The external external sound card in the sound card interface and the external intelligent mobile terminal in the handset port are powered；Institute
State power supply unit be power interface or internal battery, said supply unit be power interface when, by external power supply come
Has power supply capacity.
Alternatively, the handset port is selected from Micro USB interface, Type-c interface and Lightning interface
At least one of.
Alternatively, the handset port is Micro USB interface and Type-c interface, respective handset audio letter
Number line respectively with the sound card audio signal wire electric signal communication of the sound card interface, meanwhile, respective cellular phone power supplies line difference
Be electrically connected with the Power Management Unit so that the external sound card accessory can simultaneously external two intelligent mobile terminals.
Alternatively, the Micro USB interface is integrated with OTG identification of function pin, in the external sound card accessory
On be provided with OTG switch, OTG switch is in ground connection or ungrounded state for controlling the OTG identification of function pin,
So that the external intelligent mobile terminal on the Micro USB interface is turned on or off its OTG mode.
Alternatively, corresponding with the sound card interface and handset port, the Power Management Unit setting is not
With power management chip come respectively to the external external sound card in the sound card interface and external in the handset port
Intelligent mobile terminal is powered management.
Alternatively, corresponding to the handset port, the power management chip is the power supply for supporting USB PD agreement
Managing chip.
Alternatively, the sound card interface is USB interface.
Compared with prior art, above-mentioned external sound card accessory provided by the utility model embodiment, provides phase
The sound card interface and handset port of mutual electric signal communication, pass through the intelligent mobile terminals such as mobile phone, tablet computer described
External sound card accessory carrys out external external sound card, meanwhile, on the basis of above structure, it is also provided with through Power Management Unit point
The power supply unit not being electrically connected with sound card interface and handset port, in this way, can be at the intelligent mobiles such as mobile phone, tablet computer end
The USB interface at end is while accessing external sound card, additionally it is possible to while power supply unit is accessed, solve mobile phone, tablet computer etc.
The USB interface of intelligent mobile terminal can not connect the problem of power supply unit is powered when being occupied by external sound card.Further
, by the way that OTG switch is being arranged on the external sound card accessory, it can permit intelligent mobile terminal and be not necessarily to from described external
Its OTG mode can be closed in the case where extracting on sound card accessory 100, the user experience is improved.Further, by
Setting supports the power management chip of USB PD agreement to be adapted to same support USB PD agreement in the Power Management Unit
Intelligent mobile terminal, so that the intelligent mobile terminal is after accessing external sound card by the external sound card accessory, Neng Gou
While interaction with external sound card progress audio data, it can also be charged by the external sound card accessory, to protect
Demonstrate,proving the intelligent mobile terminal has sufficient work energy supply.
Detailed description of the invention
Fig. 1 is external sound card accessory structure provided by the utility model embodiment and the signal of each unit electrical connection
Figure.
Specific embodiment
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, is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only to explain
The utility model is not used to limit the utility model.
A kind of external sound card accessory 100 shown in Figure 1, that the utility model embodiment provides comprising sound card
Interface 10, handset port 20, Power Management Unit 30 and power supply unit 40, wherein said supply unit 40 passes through the electricity
Source control unit 30 is electrically connected with the sound card interface 10 and first interface 20 respectively, is used for external in the sound card interface
10 and the equipment of handset port 20 be powered.
The sound card interface 10 is integrated with sound card audio signal wire and sound card power supply line, the external sound card accessory 100
External sound card is accessed by the sound card interface 10, and audio is carried out by the sound card audio signal wire and the external sound card
Signal interaction is powered the external sound card by the sound card power supply line.
The sound card interface 10 can be physical interface commonly used by the sound cards such as pci interface, USB interface field.In this reality
It applies in mode, the sound card interface 10 is USB interface.
Certainly, the basis of the sound card audio signal wire and sound card power supply line is integrated in the guarantee sound card interface 10
On, those skilled in the art can also the physical aspect according to actual needs to the sound card interface 10 be designed, to meet
Actual needs.
The handset port 20 is integrated with handset audio signal wire and cellular phone power supplies line, the external sound card accessory 100
Intelligent mobile terminal is accessed by the handset port 20, sound is carried out by the handset audio signal wire and intelligent mobile terminal
Frequency interaction powers to intelligent mobile terminal by the cellular phone power supplies line.
The sound card audio signal wire electric signal of the handset audio signal wire of the handset port 20 and the sound card interface 10
Connection, allow the external intelligent mobile terminal in the handset port 20 by the external sound card accessory 100 with it is external
Audio signal interaction is carried out in the external sound card of the sound card interface 10.Specifically, the external intelligence in the handset port 20
The external external sound card in the sound card interface 10 can be identified as system sound card by mobile terminal, and then pass through the external sound
Card carries out audio processing, and the audio signals such as microphone signal and accompaniment music can be transferred to the intelligence by the external sound card
Mobile terminal.
The handset port 20 can be in Micro USB interface, Type-c interface and Lightning interface extremely
It is one few.Certainly, according to the different needs of adaptation mobile phone, those skilled in the art can be to the physics shape of the handset port 20
State is changed.
In the present embodiment, described external in order to extend the mobile phone Adapter Property of the external sound card accessory 100
Sound card accessory 100 is provided with a Micro USB handset port and a Type-c handset port, described two handset ports
Handset audio signal wire respectively with the sound card audio signal wire electric signal communication of the sound card interface 10, meanwhile, it is respective
Cellular phone power supplies line is electrically connected by the Power Management Unit 30 with said supply unit 40 respectively.In this way, can make described outer
The intelligent mobile terminal with USB interface and the intelligent sliding with Type-c interface can be accessed simultaneously by setting sound card accessory 100
Dynamic terminal.
Certainly, the handset port type being arranged on the external sound card accessory 100 can't be to the intelligence that it has access to
The type of mobile terminal causes to limit, when the handset port being arranged on the external sound card accessory 100 and the intelligence that will be accessed
The interface type discomfort timing of mobile terminal can realize interconnecting for the two by interconnecting devicies such as patchcords.
Further, when the external sound card accessory 100 is provided with Micro USB handset port, the Micro USB
Interface integration has OTG identification of function pin, and OTG switch 50, the OTG switch are provided on the external sound card accessory 100
50 are in ground connection or ungrounded state for controlling the OTG identification of function pin, so that external connect in the Micro USB
Intelligent mobile terminal on mouth is turned on or off its OTG mode.
Under normal conditions, after the intelligent mobile terminals such as mobile phone, tablet computer access external sound card by OTG line, meeting
Start the OTG mode of itself, at this point, if necessary to close OTG mode, it is necessary to by intelligent mobile terminal from the route put up
It is extracted in connection, influences the usage experience of user.In embodiments, it is based on the OTG switch 50, when mobile phone, tablet computer
Equal intelligent mobile terminals are external when on the external sound card accessory 100, and the external sound is controlled by the OTG switch 50
The ground state of the OTG identification of function pin for the handset port being arranged on card accessory 100, it will be able to it is not necessary that intelligent mobile is whole
In the case that end is extracted from the connection put up, flexibly to be turned on or off the OTG mode of intelligent mobile terminal,
Greatly facilitate the operation of user.
The Power Management Unit 30 respectively with the sound card power supply line of the sound card interface 10 and the handset port 20
Cellular phone power supplies line electric signal connection, for external connecing to the external external sound card in the sound card interface 10 and in the mobile phone
The intelligent mobile terminal of mouth 20 is powered management.
Preferably, in order to preferably provide stable electric energy to external sound card and intelligent mobile terminal, in this implementation
In mode, correspond to the sound card interface 10 and handset port 20, the Power Management Unit 30 is provided with different power supplys
Managing chip comes respectively to the external external sound card in the sound card interface 10 and the external intelligence in the handset port 20
Mobile terminal is powered management.
Preferably, the external sound card accessory 100 is in order to one side to the external hand in the external sound card accessory 100
The intelligent mobile terminal of machine interface is powered, and guarantees the intelligent mobile terminal and external in the external sound card accessory on one side
The external sound card of 100 sound card interface 10 carries out data interaction, is used for external in the Power Management Unit 30 in the hand
The power management chip that the intelligent mobile terminal of machine interface 20 is powered management is the power management core for supporting USB PD agreement
Piece carries out Charge Management to the intelligent mobile terminal by USB PD communication protocol, specifically, such as Texas Instrument
3.0 controller TPS65983B of USB PD, the product can by integrated power source path, quick role switching hardware, recognize
Card is supported and standardization voltage is to realize complete system design and more reliable electric power and data transmission.
It should be noted that supporting that the power management chip of USB PD agreement is the existing chip of this field, this is practical new
The external sound card accessory 100 provided by type is worked using its chip characteristics, is not related to be further improved.
It should be noted that in the present embodiment, the Power Management Unit 30 includes to support the electricity of USB PD agreement
Source control chip is merely to adaptation equally supports the intelligent mobile terminal of USB PD agreement, so that the intelligent mobile terminal exists
After accessing external sound card by the external sound card accessory 100, can with external sound card carry out audio data interact while,
It can also be charged by the external sound card accessory 100, to guarantee that the intelligent mobile terminal has sufficient work
Make electric energy supply.
It should be understood that when the Power Management Unit 30 includes to support the power management chip of USB PD agreement, and
Do not mean that the handset port 20 only can not support USB PD to assist for supporting the intelligent mobile terminal of USB PD agreement to access
The intelligent mobile terminal of view also can still access the external sound card accessory 100, with by the external sound card accessory 100 come
Speech enabled, or the confession by the external sound card accessory 100 are carried out with the external external sound card in the sound card interface 10
Electric unit 40 charges.
Said supply unit 40 by the Power Management Unit 30 respectively with the sound card interface 10 and handset port
20 electrical connections, for the external external sound card in the sound card interface 10 and/or the external intelligence in the handset port 20
Energy mobile terminal device is powered.
In the present embodiment, said supply unit 40, which can be, is arranged on external 100 shell of sound card accessory
Power interface is also possible to the internal battery being built in the external sound card accessory 100.When said supply unit 40 is power supply
When interface, by external power supply come for the external sound card accessory 100, the external external sound card in the sound card interface 10 with
And/or the external intelligent mobile terminal equipment in the handset port 20 is powered.
Compared with prior art, above-mentioned external sound card accessory 100 provided by the utility model embodiment, provides
The sound card interface and handset port of mutual electric signal communication, allow the intelligent mobile terminals such as mobile phone, tablet computer to pass through institute
The external external sound card of external sound card accessory 100 is stated, meanwhile, on the basis of above structure, it is also provided with and passes through power management
The power supply unit that unit is electrically connected with sound card interface and handset port respectively, in this way, can be in the intelligence such as mobile phone, tablet computer
The USB interface of mobile terminal is while accessing external sound card, additionally it is possible to while power supply unit is accessed, solve mobile phone, plate
The USB interface of the intelligent mobile terminals such as computer can not connect the problem of power supply unit is powered when being occupied by external sound card.
Further, by the way that OTG switch is being arranged on the external sound card accessory 100, it can permit intelligent mobile terminal and be not necessarily to
Its OTG mode can be closed in the case where extracting from the external sound card accessory 100, the user experience is improved.Again into one
Step, support the power management chip of USB PD agreement to be adapted to same support by being arranged in the Power Management Unit
The intelligent mobile terminal of USB PD agreement, so that the intelligent mobile terminal by the external sound card accessory 100 outside being accessed
After setting sound card, it can also pass through the external sound card accessory 100 while interacting with external sound card progress audio data
It charges, to guarantee that the intelligent mobile terminal has sufficient work energy supply.
Above content, the only preferred embodiment of the utility model, are not intended to limit the embodiments of the present invention,
Those of ordinary skill in the art's central scope according to the present utility model and spirit can very easily carry out corresponding accommodation
Or modification, therefore the protection scope of the utility model should be subject to protection scope required by claims.
Claims (7)
1. a kind of external sound card accessory comprising:
Sound card interface, is integrated with sound card audio signal wire and sound card power supply line, and the external sound card accessory passes through the sound
Card interface is electrically connected with external sound card；
Handset port, is integrated with handset audio signal wire and cellular phone power supplies line, and the external sound card accessory passes through the hand
The external intelligent mobile terminal of machine interface, wherein the handset audio signal wire and the sound card audio signal wire electric signal communication,
It is interacted so that the intelligent mobile terminal carries out audio signal by the external sound card accessory with the external sound card；
Power Management Unit is connect with the sound card power supply line and cellular phone power supplies line electric signal respectively, with for it is external
The external sound card of the sound card interface and the external intelligent mobile terminal in the handset port are powered management；And
Power supply unit, and the Power Management Unit electric signal communication, to the external external sound card in the sound card interface
And the external intelligent mobile terminal in the handset port is powered；
Said supply unit is power interface or internal battery, when said supply unit is power interface, by external
Power supply has a power supply capacity.
2. external sound card accessory as described in claim 1, which is characterized in that the handset port be selected from Micro USB interface,
At least one of Type-c interface and Lightning interface.
3. external sound card accessory as claimed in claim 2, which is characterized in that the handset port be Micro USB interface and
Type-c interface, respective handset audio signal wire connect with the sound card audio signal wire electric signal of the sound card interface respectively
It is logical, meanwhile, respective cellular phone power supplies line is electrically connected with the Power Management Unit respectively, so that the external sound card accessory energy
Enough while external two intelligent mobile terminals.
4. external sound card accessory as claimed in claim 3, which is characterized in that the Micro USB interface is integrated with OTG function
It identifies pin, OTG switch is provided on the external sound card accessory, the OTG switch is for controlling the OTG identification of function
Pin is in ground connection or ungrounded state so that external intelligent mobile terminal on the Micro USB interface open or
Person closes its OTG mode.
5. external sound card accessory as described in claim 1, which is characterized in that opposite with the sound card interface and handset port
It answers, the Power Management Unit is arranged different power management chips and comes respectively to the external external sound in the sound card interface
Card and the external intelligent mobile terminal in the handset port are powered management.
6. external sound card accessory as claimed in claim 5, which is characterized in that correspond to the handset port, the power supply pipe
Reason chip is the power management chip for supporting USB PD agreement.
7. external sound card accessory as described in claim 1, which is characterized in that the sound card interface is USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513407.4U CN208722179U (en) | 2018-09-14 | 2018-09-14 | External sound card accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513407.4U CN208722179U (en) | 2018-09-14 | 2018-09-14 | External sound card accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722179U true CN208722179U (en) | 2019-04-09 |
Family
ID=65982269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821513407.4U Active CN208722179U (en) | 2018-09-14 | 2018-09-14 | External sound card accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208722179U (en) |
-
2018
- 2018-09-14 CN CN201821513407.4U patent/CN208722179U/en active Active
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