CN209201285U - Earphone adapter - Google Patents
Earphone adapter Download PDFInfo
- Publication number
- CN209201285U CN209201285U CN201821731405.2U CN201821731405U CN209201285U CN 209201285 U CN209201285 U CN 209201285U CN 201821731405 U CN201821731405 U CN 201821731405U CN 209201285 U CN209201285 U CN 209201285U
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- earphone
- interface
- circuit
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- digital
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Abstract
The application provides a kind of earphone adapter, comprising: bluetooth transmission circuit for receiving with the signal of bluetooth communication band transmissions, and extracts the audio signal in the signal；Earphone connection interface is connect for the audio jack with earphone；Standard handovers circuit is all connected with the bluetooth transmission circuit and the earphone connection interface, the audio signal that the bluetooth transmission circuit exports is converted to the audio signal for meeting the earphone connection interface standard, and be transmitted to the earphone connection interface；Battery unit is all connected with the bluetooth transmission circuit and the standard handovers circuit, for powering for the bluetooth transmission circuit and the standard handovers circuit.
Description
Technical field
This application involves technical field of electronic products, and in particular to a kind of earphone adapter.
Background technique
Currently, having been had already appeared on the market using Bluetooth technology, audio signal being enabled to be transmitted to ear in a wireless form
The bluetooth headset of machine loudspeaker；It is excellent with carrying, using convenient for user because bluetooth headset uses wireless transmission form
Point.But existing bluetooth headset is to integrate bluetooth component and loudspeaker assembly, therefore user can only purchase newly
Earphone is unable to fully utilize original wired earphone.
Utility model content
The application provides a kind of earphone adapter, to solve the problems, such as that background technique refers to.
The application provides a kind of earphone adapter, comprising:
Bluetooth transmission circuit for receiving with the signal of bluetooth communication band transmissions, and extracts the audio in the signal
Signal；
Earphone connection interface is connect for the audio jack with earphone；
Standard handovers circuit is all connected with the bluetooth transmission circuit and the earphone connection interface, the bluetooth is received
The audio signal of Power Generation Road output is converted to the audio signal for meeting the earphone connection interface standard, and is transmitted to the earphone
Connecting interface；
Battery unit is all connected with the bluetooth transmission circuit and the standard handovers circuit, for receiving for the bluetooth
Power Generation Road and standard handovers circuit power supply.
Optionally, the earphone connection interface includes analog signal interface and/or digital signal interface；
The standard handovers circuit includes mock standard conversion circuit and digital standard handovers circuit；
The mock standard conversion circuit is connect with the bluetooth transmission circuit and the analog signal interface, is used for institute
The audio signal for stating the output of bluetooth transmission circuit is converted to the analog audio signal for meeting the analog signal interface standard；
The digital standard conversion circuit is connect with the bluetooth transmission circuit and the digital signal interface, is used for institute
The audio signal for stating the output of bluetooth transmission circuit is converted to the digital audio and video signals for meeting the digital signal interface standard；
The battery unit is connect with the digital signal interface.
Optionally, the quantity of digital signal interface is multiple, and the interface type of each digital signal interface is not
Together；
The digital standard conversion circuit includes that digital conversion corresponding from the different digital signal interfaces respectively is sub electric
Road.
Optionally, the digital signal interface includes Lighting standard interface and TypeC interface.
Optionally, the battery unit includes rechargeable battery；
The earphone adapter further include:
Charging control circuit, for controlling the battery list in the case where the digital audio connection interface connects power supply source
Member charging.
Optionally, the analog signal interface is coaxial audio interface.
Optionally, the earphone adapter includes detection control circuit, defeated for connecing in the detection bluetooth reception circuit
Audio signal out, and in the case where earphone connection interface connection earphone, control the standard handovers circuit work.
Optionally, the earphone switching interface includes digital signal interface；
It is described detection control circuit be also used to verify be inserted into the digital audio interface earphone whether with it is described number letter
Number Interface Matching.
Earphone adapter provided by the present application will be wirelessly transferred using bluetooth transmission circuit therein and standard handovers circuit
Audio signal be converted to the audio signal for meeting earphone connection interface standard；The wired earphone of user is inserted into earphone company
In connection interface, audio signal and sounding are received；User can be real without purchasing bluetooth headset with wired earphone
The wireless transmission of existing audio signal.
Detailed description of the invention
Fig. 1 is the appearance diagram of earphone adapter provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram of earphone adapter provided by the embodiments of the present application；
Wherein: 11- bluetooth transmission circuit, 12- earphone connection interface, 121- analog signal interface, 122- digital signal connect
Mouthful, 13- standard handovers circuit, 131- mock standard conversion circuit, 132- digital standard conversion circuit, 14- battery unit, 15-
Detect control circuit；16- charging control circuit, 17- shell.
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 adapter provided by the embodiments of the present application.As shown in Figure 1, from the point of view of outside, this
The earphone adapter for applying for that embodiment provides includes shell 17 and the earphone connection interface 12 that 17 surface of shell is arranged in.
Fig. 2 is the structural schematic diagram of earphone adapter provided by the embodiments of the present application.As shown in Fig. 2, the embodiment of the present application
The earphone adapter of offer further includes bluetooth transmission circuit 11, standard handovers circuit 13 and battery unit 14.
Wherein, bluetooth transmission circuit 11 is used to receive the signal of bluetooth communication band transmissions, and extracts the audio in signal
Signal is sent to standard handovers circuit 13.
Standard handovers circuit 13 is connect with bluetooth transmission circuit 11, the audio signal for exporting bluetooth transmission circuit 11
Be converted to the audio signal for meeting 12 standard of earphone connection interface, and by corresponding audio signal transmission to earphone connection interface
12。
Earphone connection interface 12 with the audio jack of earphone for connecting.
Battery unit 14 is all connected with bluetooth transmission circuit 11 and standard handovers circuit 13, for being bluetooth transmission circuit 11
It powers with standard handovers circuit 13.
It is contemplated that can use bluetooth transmission circuit therein using earphone adapter provided by the embodiments of the present application
11 and standard handovers circuit 13 audio signal of wireless transmission is converted to the audio signal for meeting 12 standard of earphone connection interface；
The wired earphone of user is inserted into earphone connection interface 12, receives audio signal and sounding.
Continuing with referring to fig. 2, in earphone adapter provided by the embodiments of the present application, earphone connection interface 12 includes simulation letter
Number interface 121 and digital signal interface 122.Corresponding, standard handovers circuit 13 includes mock standard conversion circuit 131 and number
Standard handovers circuit 132.
It is specific: mock standard conversion circuit 131 and the connection of bluetooth transmission circuit 11 and analog signal interface 121, it will be blue
The audio signal that tooth transmission circuit 11 exports is converted to the analog audio signal for meeting 121 standard of analog signal interface, and transmits
To analog signal interface 121；Digital standard conversion circuit 132 is connect with bluetooth transmission circuit 11 and digital signal interface 122, will
The audio signal that bluetooth transmission circuit 11 exports is converted to the digital audio and video signals for meeting 122 standard of digital signal interface, and will
Digital audio and video signals are sent to digital signal interface 122；It is corresponding, in order to enable the earphone being connect with digital signal interface 122
In processing chip digital audio and video signals are again converted to analog signal, battery unit 14 also connects with digital signal interface 122
It connects, for the earphone power supply being connect with digital signal interface 122.
In earphone adapter provided by the embodiments of the present application, the quantity of digital signal interface 122 is multiple, and every number
The interface type of word signaling interface 122 is not identical.It is corresponding, aforementioned digital standard handovers circuit 132 include respectively with difference
The corresponding digital conversion sub-circuit of digital signal interface 122.
Certainly, in the other embodiments of the application, earphone connection interface 12 can also only include mould in earphone converter
Quasi- one of digital signal interface 122 and digital signal interface 122；Corresponding, standard handovers circuit 13 also just only includes mould
Quasi- standard handovers circuit 131 or digital standard conversion circuit 132.
In conjunction with preceding segment description it is found that earphone adapter provided by the embodiments of the present application can connect the number of different interface type
Word earphone.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 digital signal interface 122 can be set
It is set to Lighting interface and TypeC interface.
Certainly, in other embodiments, the interface type of digital signal interface 122 may be a kind of or other quantity
It is a variety of, and the quantity of digital signal interface 122 is not limited to aforementioned Lighting connector or TypeC connector, can also be with
It is other kinds of connector.
Continuing with referring to fig. 2, in the embodiment of the present application, in earphone adapter provided by the embodiments of the present application, battery unit
14 be rechargeable battery, and the battery preferably using lithium battery etc. with high-energy density.In order to realize battery unit 14
Charging, earphone adapter further includes charging control circuit 16, and charging control circuit 16 is connect with digital audio interface, and in number
Audio interface controls battery unit 14 in the case where connecting power supply source and charges.In other embodiments, battery unit 14 can also be with
It is replaceable disposable battery, or is dismountable rechargeable battery；Alternatively, earphone adapter further includes exclusively for battery
The interface that unit 14 charges.
In the embodiment of the present application, the analog signal interface 121 of earphone adapter is coaxial audio socket；In specific reference,
Coaxial audio socket is preferably the coaxial audio socket of 3.5mm size.In other embodiments, analog signal interface 121 may be used also
To be other kinds of audio jack, also and without limitation to this application.
Continuing with referring to fig. 2, earphone joint provided by the embodiments of the present application can also include detection control circuit 15；Inspection
Survey control circuit 15 for detect bluetooth receive circuit 11 whether output audio signal and test earphone connecting interface 12 whether
Earphone is connected, and in the case where bluetooth receives 11 output audio signal of circuit, earphone connection interface 12 connects earphone, control
Standard handovers circuit 13 works and the audio signal that bluetooth reception circuit 11 exports is converted to corresponding earphone connection interface 12 and is marked
Quasi- signal.
It is contemplated that only receiving 11 output audio signal of circuit and earphone connection interface 12 in bluetooth in practical application
In the case where being all connected with corresponding earphone, the work of standard handovers circuit 13 of earphone adapter just actually plays a role；And because
Battery unit 14 is arranged for the power supply of standard handovers circuit 13, in order to improve effective benefit of electricity in battery unit 14 in earphone adapter
With rate, bluetooth is detected by detection control circuit 15 and receives whether circuit 11 works, whether earphone connection interface 12 is inserted into earphone,
It controls whether standard handovers circuit 13 works again, battery unit 14 can be improved to avoid the waste of 1415 electricity of battery unit
Use the time.
Continuing with referring to fig. 2, in earphone adapter provided by the embodiments of the present application, detection control circuit 15 is also used to verify
Whether the earphone being inserted into earphone audio interface 12 matches with earphone adapter；In some situations, although there is component insertion
Into earphone audio interface 12, but actually above-mentioned parts are not that earphone or above-mentioned parts need to authenticate earphone switching
The safety of device could work.
For example, in some applications, although the component of insertion have with the matched interface of earphone audio interface 12, before
The interface stated may be the interface for data transmission, and earphone adapter can not be used for transmission data, at this time detection control
Whether circuit 15 processed is earphone by the component that verifying is inserted into digital audio interface, i.e., whether verification component passes through certification,
Then whether control standard handovers circuit 13 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 15 above-mentioned can be used for sending authentication information to earphone, to confirm earphone adapter quilt
Certification can be matched with earphone.
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, at the same should also cover do not depart from above-mentioned utility model design in the case where, by above-mentioned technical characteristic or its be equal
Feature carries out any combination and other technical solutions for being formed.Such as features described above with it is disclosed herein but be not limited to have
The technical characteristic of similar functions is replaced mutually and the technical solution that is formed.
Claims (8)
1. a kind of earphone adapter characterized by comprising
Bluetooth transmission circuit for receiving with the signal of bluetooth communication band transmissions, and extracts the audio signal in the signal；
Earphone connection interface is connect for the audio jack with earphone；
Standard handovers circuit is all connected with the bluetooth transmission circuit and the earphone connection interface, and the bluetooth is received and dispatched electricity
The audio signal of road output is converted to the audio signal for meeting the earphone connection interface standard, and is transmitted to the earphone connection
Interface；
Battery unit is all connected with the bluetooth transmission circuit and the standard handovers circuit, for receiving and dispatching electricity for the bluetooth
Road and standard handovers circuit power supply.
2. earphone adapter according to claim 1, it is characterised in that:
The earphone connection interface includes analog signal interface and/or digital signal interface；
The standard handovers circuit includes mock standard conversion circuit and digital standard handovers circuit；
The mock standard conversion circuit is connect with the bluetooth transmission circuit and the analog signal interface, is used for the indigo plant
The audio signal of tooth transmission circuit output is converted to the analog audio signal for meeting the analog signal interface standard；
The digital standard conversion circuit is connect with the bluetooth transmission circuit and the digital signal interface, is used for the indigo plant
The audio signal of tooth transmission circuit output is converted to the digital audio and video signals for meeting the digital signal interface standard；
The battery unit is connect with the digital signal interface.
3. earphone adapter according to claim 2, it is characterised in that:
The quantity of digital signal interface is multiple, and the interface type of each digital signal interface is different；
The digital standard conversion circuit includes digital conversion sub-circuit corresponding from the different digital signal interfaces respectively.
4. earphone adapter according to claim 3, it is characterised in that:
The digital signal interface includes Lighting standard interface and TypeC interface.
5. earphone adapter according to claim 2, it is characterised in that:
The battery unit includes rechargeable battery；
The earphone adapter further include:
Charging control circuit is filled for controlling the battery unit in the case where the digital audio connection interface connects power supply source
Electricity.
6. earphone adapter according to claim 2, it is characterised in that:
The analog signal interface is coaxial audio interface.
7. earphone adapter according to claim 1-6 characterized by comprising
Control circuit is detected, connects output audio signal for receiving circuit in the detection bluetooth, and the earphone connects
In the case where mouth connection earphone, the standard handovers circuit work is controlled.
8. earphone adapter according to claim 7, it is characterised in that:
The earphone switching interface includes digital signal interface；
Whether the detection control circuit is also used to verify is inserted into the earphone of the digital signal interface and connects with the digital signal
Mouth matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731405.2U CN209201285U (en) | 2018-10-24 | 2018-10-24 | Earphone adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731405.2U CN209201285U (en) | 2018-10-24 | 2018-10-24 | Earphone adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209201285U true CN209201285U (en) | 2019-08-02 |
Family
ID=67408962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821731405.2U Expired - Fee Related CN209201285U (en) | 2018-10-24 | 2018-10-24 | Earphone adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209201285U (en) |
-
2018
- 2018-10-24 CN CN201821731405.2U patent/CN209201285U/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 |