CN209200298U - Earphone joint - Google Patents
Earphone joint Download PDFInfo
- Publication number
- CN209200298U CN209200298U CN201821724061.2U CN201821724061U CN209200298U CN 209200298 U CN209200298 U CN 209200298U CN 201821724061 U CN201821724061 U CN 201821724061U CN 209200298 U CN209200298 U CN 209200298U
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- Prior art keywords
- earphone
- digital
- connector
- digital audio
- analog
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Abstract
The application provides a kind of earphone joint, comprising: the analogue audio frequency connector connecting for the analog audio interface with electronic equipment；Digital audio connector for being connect with the earphone with digital audio interface；For the received analog signal of analogue audio frequency connector to be converted to digital signal, and it is transmitted to the analog to digital conversion circuit of the digital audio connector；For the battery unit for analog-digital conversion circuit as described and the earphone being connect with digital audio interface power supply.The analog to digital conversion circuit that analog audio signal is converted to digital audio and video signals is equipped in earphone joint provided by the present application, and for the battery unit for analog to digital conversion circuit and earphone power supply, so that user with digital audio connector earphone, earphone can also be connect, with the electronic equipment with conventional analog audio interface using earphone.
Description
Technical field
This application involves technical field of electronic products, and in particular to a kind of earphone joint.
Background technique
Currently, the various interfaces for external devices of the electronic equipments such as smart phone be done step-by-step it is integrated, i.e., originally
The connecting interface being independently arranged is integrated in a digital interface；For example, the charging of certain smart phones, digital file transfer and
Audio signal transmission interface has been integrated with together.
Corresponding, user needs to buy and the matched earphone of aforementioned integrated interface or adapter, is just able to achieve using ear
Machine.And for some users for having bought aforementioned integrated interface earphone, earphone above-mentioned, which is only capable of adaptation, has corresponding number
The equipment of word interface cannot match traditional analog audio interface.
Utility model content
The application provides a kind of earphone joint, to solve the problems, such as that background technique refers to.
The application provides a kind of earphone joint, comprising:
Analogue audio frequency connector is connect for the analog audio interface with electronic equipment；
Digital audio connector, for being connect with the earphone with digital audio interface；
Analog to digital conversion circuit for the received analog signal of analogue audio frequency connector to be converted to digital signal, and passes
Transport to the digital audio connector；
Battery unit, for powering for analog-digital conversion circuit as described and the earphone being connect with the digital audio interface.
Optionally, the digital audio connector includes the first different digital audio connector of interface standard and the second digital sound
Frequency connector；
Analog-digital conversion circuit as described includes the first conversion circuit and the second conversion circuit；First conversion circuit is used for will
Analog signal is converted to and matched first digital signal of the first digital audio connector；Second conversion circuit is used for will
Analog signal is converted to and matched second digital signal of the second digital audio connector.
Optionally, the first digital audio connector is Lighting connector, and the second digital audio connector is TypeC
Connector.
Optionally, the earphone joint includes: detection control circuit, for detecting the analogue audio frequency connector company
In the case where connecing electronic equipment and digital audio connector connection earphone, control analog-digital conversion circuit as described work.
Optionally, it is described detection control circuit be also used to verify be inserted into the digital audio connector the earphone whether with
The earphone joint matching.
Optionally, the battery unit is rechargeable battery；
The earphone joint further include:
Charging circuit is filled for controlling the battery unit in the case where the digital audio connector connects power supply source
Electricity.
Optionally, the analog audio interface is coaxial audio jack.
Earphone joint provided by the present application is equipped with the analog-to-digital conversion that analog audio signal is converted to digital audio and video signals
Circuit, and for the battery unit for analog to digital conversion circuit and earphone power supply, so that user connects with digital audio
In the case where head earphone, earphone can also be connect, with the electronic equipment with conventional analog audio interface using earphone.
Detailed description of the invention
Fig. 1 is the appearance diagram of earphone joint provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram of earphone joint provided by the embodiments of the present application；
Wherein: 11- analogue audio frequency connector, 12- connecting line, 13- digital audio connector, 131- the first digital audio connector,
132- the second digital audio connector, 14- analog to digital conversion circuit, 15- battery unit, 16- detect control circuit, 17- charge control
Circuit.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining relevant utility model, rather than the restriction to the utility model.It further needs exist for illustrating
, part relevant to related utility model is illustrated only for ease of description, in attached drawing.
Fig. 1 is the appearance diagram of earphone switching figure provided by the embodiments of the present application, and Fig. 2 is provided by the embodiments of the present application
The structural schematic diagram of earphone joint.As shown in Figure 1, from the point of view of appearance, earphone joint provided by the embodiments of the present application includes
Analogue audio frequency connector 11, connecting line 12 and digital audio connector 13.
As shown in Figure 2, earphone joint provided by the embodiments of the present application further includes analog to digital conversion circuit 14 and battery unit
15, analog to digital conversion circuit 14 and battery unit 15 are mounted on the connecting pin of connecting line 12 and digital audio connector 13, and are wrapped
Cover the insulating layer covering of connecting line 12.
Refer to Fig. 2, in earphone joint provided by the embodiments of the present application, analog to digital conversion circuit 14 and analogue audio frequency connector
11 and digital audio connector 13 be all connected with；Wherein, analogue audio frequency connector 11 is used to connect with the analog audio interface of electronic equipment,
The analog signal for receiving electronic equipment and coming；Electronic equipment above-mentioned refers to that computer, mobile phone etc. can generate sound
The equipment of frequency analog signal；Digital audio connector 13 believes digital audio for connecting with the earphone with digital audio interface
Number it is transferred to earphone；Analog to digital conversion circuit 14 is then for being converted to digital audio for the received analog signal of analogue audio frequency connector 11
Signal, and digital audio and video signals are transmitted to digital audio connector 13；And battery unit 15 then for analog to digital conversion circuit 14 and
Connect the earphone power supply of digital audio interface.
It, can not be as driving analog-to-digital conversion because traditional analog audio interface only has the function of transmission of analogue signal
The power supply that circuit 14 works, so it is analog-to-digital conversion that earphone joint provided by the embodiments of the present application, which is specially equipped with battery unit 15,
Circuit 14 is powered；Meanwhile because having the earphone of digital audio interface after receiving digital audio and video signals, it is also necessary to by interior
Digital audio and video signals are converted to the analog signal of drive the speaker work, digital-to-analogue conversion electricity therein by the D/A converting circuit in portion
Road is also required to power, so battery unit 15 is also connect with digital audio interface, for powering for earphone.
Using earphone joint provided by the embodiments of the present application, even if user only has the earphone of digital audio interface,
In the case where using aforementioned headset adapter, earphone can also be connect with the electronic equipment with conventional analog audio interface,
Use earphone.
Continuing with referring to fig. 2, in the embodiment of the present application, digital audio connector 13 includes 131 He of the first digital audio connector
Second digital audio connector 132, and the interface standard of the first digital audio connector 131 and the second digital audio connector 132 is not
Together；Corresponding, analog to digital conversion circuit 14 includes the first conversion circuit and the second conversion circuit, wherein the first conversion circuit is used to incite somebody to action
Analog signal is converted to be used to simulate with matched first digital signal of the first digital audio connector 131, the second conversion circuit
Signal is converted to and the matched second number signal of the second digital audio connector 132.
In conjunction with preceding segment description it is found that earphone joint provided by the embodiments of the present application can connect the ear of different interface type
Machine.In concrete application, because the digital earphone being applied in professional standard at present is mostly to match iOS system
Lighting interface headphones, or the TypeC interface headphones of matching android system, so the first digital audio connector 131 can
To be arranged to Lighting connector, and the second digital audio connector 132 is set as TypeC connector.
Certainly, in other embodiments, the interface type of digital audio connector 13 may be a kind of or other quantity
It is a variety of, and the quantity of digital audio connector 13 is not limited to aforementioned Lighting connector or TypeC connector, is also possible to
Other kinds of connector.
Continuing with referring to fig. 2, earphone joint provided by the embodiments of the present application can also include detection control circuit 16；Inspection
Control circuit 16 is surveyed for detecting whether analogue audio frequency connector 11 above-mentioned connects electronic equipment, and detection digital sound above-mentioned
Whether frequency connector 13 connects earphone, and is determining that analogue audio frequency connector 11 connects electronic equipment, digital audio connector 13 connects
In the case where earphone, control analog to digital conversion circuit 14 works.
It is contemplated that being only all connected in analogue audio frequency connector 11 and digital audio connector 13 corresponding in practical application
In the case where extraneous component, the work of analog to digital conversion circuit 14 in earphone joint just actually plays a role；And because earphone turns
Connector is arranged battery unit 15 and powers for analog to digital conversion circuit 14, in order to improve the effective rate of utilization of electricity in battery unit 15,
It is detected by detection control circuit 16 and controls the work of analog to digital conversion circuit 14 in the case that corresponding connector connects external equipment again,
Can be to avoid the waste of 15 electricity of battery unit, that improves battery unit 15 uses the time.
Continuing with referring to fig. 2, in earphone joint provided by the embodiments of the present application, detection control circuit 16 is also used to verify
Whether the earphone being inserted into digital audio connector 13 matches with earphone joint；In some situations, although there is component insertion
Into digital audio connector 13, but actually above-mentioned parts are not that earphone or above-mentioned parts need to authenticate earphone switching
The safety of head could work.
For example, in some applications, although the component of insertion have with the matched interface of digital audio connector 13, before
The interface stated may be the interface for data transmission, and earphone joint can not be used for transmission data, at this time detection control
Whether circuit 16 processed is earphone by the component that verifying is inserted into digital audio connector 13, i.e., whether verification component passes through and recognize
Card then controls whether analog to digital conversion circuit 14 works.
For another example earphone is special applications earphone, only by other component ability of certification in other application
It is matched with earphone, detection control circuit 16 above-mentioned can be used for sending authentication information to earphone, to confirm earphone joint quilt
Certification can be matched with earphone.
In the earphone joint that the embodiment of the present application uses, battery unit 15 is rechargeable battery, and preferably uses lithium
Battery etc. has the battery of high-energy density.In order to realize the charging of battery unit 15, earphone joint further includes charge control
Circuit 17, charging control circuit 17 are connect with digital audio connector 13, and the case where digital audio connector 13 connects power supply source
Lower control battery unit 15 charges.In other embodiments, battery unit 15 is also possible to replaceable disposable battery, or
For dismountable rechargeable battery.
In the embodiment of the present application, the analog audio interface of earphone joint is coaxial audio jack；In specific reference, coaxially
Audio jack is preferably the coaxial audio jack of 3.5mm size.In other embodiments, analogue audio frequency plug can also be other
The audio jack of type, also and without limitation to this application.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that utility model range involved in the application, however it is not limited to made of the specific combination of above-mentioned technical characteristic
Technical solution, while should also cover in the case where not departing from above-mentioned design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above and disclosed herein but be not limited to similar functions
Technical characteristic replaced mutually and the technical solution that is formed.
Claims (7)
1. a kind of earphone joint characterized by comprising
Analogue audio frequency connector is connect for the analog audio interface with electronic equipment；
Digital audio connector, for being connect with the earphone with digital audio interface；
Analog to digital conversion circuit for the received analog signal of analogue audio frequency connector to be converted to digital signal, and is transmitted to
The digital audio connector；
Battery unit, for powering for analog-digital conversion circuit as described and the earphone being connect with the digital audio interface.
2. earphone joint according to claim 1, it is characterised in that:
The digital audio connector includes different the first digital audio connector and the second digital audio connector of interface standard；
Analog-digital conversion circuit as described includes the first conversion circuit and the second conversion circuit；First conversion circuit will be for that will simulate
Signal is converted to and matched first digital signal of the first digital audio connector；Second conversion circuit will be for that will simulate
Signal is converted to and matched second digital signal of the second digital audio connector.
3. earphone joint according to claim 2, it is characterised in that:
The first digital audio connector is Lighting connector, and the second digital audio connector is TypeC connector.
4. earphone joint according to claim 1 characterized by comprising
Control circuit is detected, for detecting the analogue audio frequency connector connection electronic equipment and the digital audio connector
In the case where connecting earphone, control analog-digital conversion circuit as described work.
5. earphone joint according to claim 4 characterized by comprising
It is described detection control circuit be also used to verify be inserted into the digital audio connector earphone whether with the earphone joint
Matching.
6. earphone joint according to claim 1, it is characterised in that:
The battery unit is rechargeable battery；
The earphone joint further include:
Charging circuit, for controlling the battery unit charging in the case where the digital audio connector connects power supply source.
7. earphone joint according to claim 1, it is characterised in that:
The analog audio interface is coaxial audio jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821724061.2U CN209200298U (en) | 2018-10-24 | 2018-10-24 | Earphone joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821724061.2U CN209200298U (en) | 2018-10-24 | 2018-10-24 | Earphone joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200298U true CN209200298U (en) | 2019-08-02 |
Family
ID=67408854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821724061.2U Expired - Fee Related CN209200298U (en) | 2018-10-24 | 2018-10-24 | Earphone joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209200298U (en) |
-
2018
- 2018-10-24 CN CN201821724061.2U patent/CN209200298U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20201024 |