CN207235090U - Adapter control circuit and adapter - Google Patents
Adapter control circuit and adapter Download PDFInfo
- Publication number
- CN207235090U CN207235090U CN201721085957.6U CN201721085957U CN207235090U CN 207235090 U CN207235090 U CN 207235090U CN 201721085957 U CN201721085957 U CN 201721085957U CN 207235090 U CN207235090 U CN 207235090U
- Authority
- CN
- China
- Prior art keywords
- audio
- control circuit
- interface
- adapter
- adapter control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of Adapter control circuit, including sequentially connected transformer, power supply changeover device and dc chopper, the charging interface and audio converter for further including while being connected with the dc chopper.Above-mentioned Adapter control circuit, it is used to line voltage being converted into operating voltage by the transformer, the power supply changeover device and the dc chopper, the charging of electric terminal is realized by the charging interface, and pass through the audio converter and second audio interface cooperation and the first audio interface and the cooperation of the charging interface, it is sent directly to earphone by the simulated audio signal of electric terminal or is converted into digital audio and video signals be sent to earphone, realizes and listen to music using earphone while electric terminal is in charging.The utility model also provides a kind of adapter for including above-mentioned Adapter control circuit.
Description
Technical field
Adapter technique field is the utility model is related to, more particularly to a kind of Adapter control circuit and adapter.
Background technology
With developing rapidly for smart mobile phone, mobile phone products just constantly develop to lightening and preventing hydration, mobile phone products
Peripheral interface has continued the bottleneck to thinner development and preventing hydration as restriction mobile phone products.Especially earphone interface, now
The 3.5mm earphone interfaces of mainstream occupy too many interior of mobile phone space and valuable motherboard layout are empty due to its volumetric constraint
Between, also have an impact to the antenna of mobile phone, reduce battery capacity.Limit development of the mobile phone to more thinning, based on this, 2.5mm
Earphone interface be applied, such as Nokia's mobile phone and Windows Phone, What is more, directly eliminates earphone interface, changes
Original 3.5mm earphone interfaces are replaced with USB interface, such as millet 6 and Iphone7.
Above-mentioned this cancellation 3.5mm earphone interfaces, use the scheme of USB interface transmission digital audio (I2S signals) signal instead,
The USB interface earphone being adapted to is needed, needs to carry audio Codec chips on earphone, digital audio and video signals (I2S signals) is converted
For simulated audio signal, used for earphone, this scheme, since it eliminates 3.5mm earphone interfaces, save interior of mobile phone treasured
Expensive space and motherboard layout space, makes mobile phone develop into possibility to more lightening, is following development trend.
But the above-mentioned this mode used USB interface instead and replace original 3.5mm earphone interfaces, there are the following problems, and mobile phone is general
An only USB interface, when for charging, can not just put the music on for slotting ear machine sowing, such as in the low electricity of mobile phone, with movement
When power supply or charger charge, because USB port is occupied, it can not listen to music, seriously affect user experience.
Utility model content
Based on this, the purpose of this utility model is to provide a kind of adapter control that can be listened to music while charging for mobile phone
Circuit and adapter processed.
A kind of Adapter control circuit, including sequentially connected transformer, power supply changeover device and dc chopper, are also wrapped
The charging interface and audio converter for including while being connected with the dc chopper；The transformer, the power supply changeover device with
And line voltage is converted into operating voltage by the dc chopper jointly；The charging interface connects with the audio converter
Connect, the charging interface receives the operating voltage to be supplied to electric terminal to charge, and obtains the numeral of the electric terminal
Audio signal, while the digital audio and video signals are sent to the first audio interface and the audio converter；The audio conversion
Parallel operation is connected with the second audio interface, and it is concurrent that the digital audio and video signals are converted into simulated audio signal by the audio converter
Send to second audio interface.
Compared to the prior art, above-mentioned Adapter control circuit, passes through the transformer, the power supply changeover device and institute
State dc chopper to be used to line voltage being converted into operating voltage, the charging of mobile phone is realized by the charging interface, and lead to
Cross the audio converter and second audio interface coordinates and the first audio interface and the cooperation of the charging interface, will
The simulated audio signal of electric terminal is sent directly to earphone or is converted into digital audio and video signals to be sent to earphone, realizes in hand
While machine charges music is listened to using earphone.
Further, first audio interface include Lighting USB earphone interfaces, Micro USB earphone interfaces with
And Type-C USB earphone interfaces.
Further, second audio interface includes 2.5mm audio interface and/or 3.5mm audio interface.
Further, the control circuit further includes a bluetooth transmitters, and the bluetooth transmitters are changed with the audio
Device connects.
Further, the control circuit further includes one first light emitting diode, and first light emitting diode is arranged on institute
State between the second audio interface and the audio converter.
Further, the control circuit further includes one second light emitting diode, and second light emitting diode is arranged on institute
State between the first audio interface and the charging interface.
Further, the control circuit further includes one the 3rd light emitting diode, and the 3rd light emitting diode is arranged on institute
State between dc chopper and the charging interface.
Further, the charging interface connects the audio converter by one first audio-frequency bus.
Further, first audio interface is connected to the charging interface by one second audio-frequency bus.
The utility model additionally provides a kind of adapter, including housing and the plug arranged on housing side, further includes and is arranged on
Above-mentioned Adapter control circuit in the housing, the transformer are connected with the plug, and the plug passes through the housing
It is connected with external power supply, the charging interface, the first audio interface and second audio interface are arranged on the table of the housing
Face.
Brief description of the drawings
Fig. 1 is the structure diagram of the Adapter control circuit in the utility model first embodiment；
Fig. 2 is the structure diagram of the adapter in the utility model second embodiment；
Fig. 3 is the structure diagram of the Adapter control circuit in the utility model 3rd embodiment.
Main element symbol description
| Adapter control circuit | 100 | Second light emitting diode | 42 | Adapter | 200 |
| Transformer | 10 | 3rd light emitting diode | 43 | Housing | 201 |
| Power supply changeover device | 20 | Audio converter | 50 | Plug | 202 |
| Dc chopper | 30 | Second audio interface | 60 | First tone frequency channel wire | 80 |
| Charging interface | 40 | First light emitting diode | 61 | Second tone frequency channel wire | 90 |
| First audio interface | 41 | Bluetooth transmitters | 70 |
Following embodiment will further illustrate the utility model with reference to above-mentioned attached drawing.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Several embodiments of the utility model are given in attached drawing.But the utility model can come in many different forms
Realize, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments makes to the utility model
Disclosure more thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood implication of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more relevant Listed Items.
Referring to Fig. 1, the Adapter control circuit 100 that the utility model first embodiment provides, including it is sequentially connected
Transformer 10, power supply changeover device 20 and dc chopper 30.
The charging interface 40 and sound that the Adapter control circuit 100 is further included while is connected with the dc chopper 30
Frequency converter 50；During work, the transformer 10, the power supply changeover device 20 and the dc chopper 30 are jointly by voltage
It is worth and divides line voltage to be converted into the operating voltage that magnitude of voltage is 12V for 220V；The charging interface 40 and the audio converter
50 connections, the charging interface 40 receives the operating voltage to be supplied to electric terminal to charge, and obtains the electric terminal
Digital audio and video signals, while the digital audio and video signals are sent to the first audio interface 41 and the audio converter 50；
The audio converter 50 is connected with the second audio interface 60, and the digital audio and video signals are converted into by the audio converter 50
Simulated audio signal is simultaneously sent to the second audio interface 60.In the present embodiment, the operating voltage is 12V, and the power supply turns
Parallel operation 20 is AC/DC power supply changeover devices, and the dc chopper 30 is DC/DC dc choppers, and the audio converter 50 is
Codec chips.
It should be understood that in other embodiments the charging interface 40 can set it is multiple, specifically, in the present embodiment
In, the model Type-A type USB interfaces of the charging interface 40.
Above-mentioned Adapter control circuit, passes through the transformer 10, the power supply changeover device 20 and the DC chopped-wave
Device 30 is used to line voltage being converted into operating voltage, realizes the charging of electric terminal by the charging interface 40, and pass through
The audio converter 50 and first audio interface 41 coordinate realization to listen to music using earphone while mobile phone charges,
It is to be appreciated that electric terminal is not just for mobile phone, can also be that such as tablet computer any type only has a charging
Mouth is without the electrical equipment of independent audio interface.
It should be understood that first audio interface 41 is Lighting USB earphone interfaces, Micro USB earphone interfaces
And the one or more among Type-C USB earphone interfaces, in the present embodiment, an audio interface 41 is Type-C
USB earphone interfaces.
It should be understood that second audio interface 60 can connect for the audio interface of 2.5mm and/or the audio of 3.5mm
One or more in mouthful, specifically, in the present embodiment, second audio interface 60 is provided with a 2.5mm audios at the same time
The audio interface of interface and a 3.5mm, in the present embodiment, same type of interface are only provided with one, it is possible to understand that,
In other embodiments, multiple same type of interfaces can be at the same time set, such as set two charging interfaces 40 to set at the same time at the same time
Put the audio interface of two 2.5mm.
It should be understood that in order to realize charging while listens to the function of music, each charging interface 40 passes through
One first audio-frequency bus 80 connects the audio converter 50；Second audio interface 41 is connected by one second audio-frequency bus 90
The charging interface 40 is connected to, specifically, in the present embodiment, first audio-frequency bus 80 and second audio-frequency bus are complete
It is exactly the same, it is I2S tone frequency channel wires.
Knowable, I2S (Inter-IC Sound) is that Phillips are directed to digital audio-frequency apparatus (such as CD Player, number
Code sound effect processor, DTV sound system) between voice data transmission and formulate a kind of bus standard.It is employed
Along the design of independent wire transmission clock and data-signal, by the way that data and clock signal are separated, avoid because the time difference lures
The distortion of hair, the expense of the professional equipment of purchase resistance audio jitter is saved for user.The I2S bus cables of standard are by 3
Root serial lead composition：1 is time division multiplexing (abbreviation TDM) data cable；1 is word select line；1 is clock line.
Referring to Fig. 2, the adapter 200 that the utility model second embodiment provides, including a square housing 201 and set
Plug 202 in 201 side of housing, the adapter 200 further include the above-mentioned adapter control electricity in the housing 201
Road 100, the transformer 10 are connected 201 with the plug, and the plug 202 is connected through the housing 201 with external power supply,
Each charging interface 40, each second audio interface 60 and each audio interface 41 are arranged on the housing
201 surface, specifically, the second of second audio interface 60 and a 3.5mm of the surface of the housing 201 equipped with a 2.5mm
Audio interface 60, while the surface of the housing 201 is additionally provided with the first audio interface 41 of a model Type-CUSB interfaces,
The adapter 200 is set to connect the electric terminal of the USB interface of Type-C and be connect to its charging or to the USB of Type-C
The earphone transmission simulated audio signal of mouth, it is possible to understand that, 41 connecter type of the first audio interface can also be Micro
USB earphone interfaces and Type-C USB earphone interfaces.
Referring to Fig. 3, the Adapter control circuit 100 that the utility model fourth embodiment provides, the 3rd embodiment
More or less the same with the first embodiment, difference lies in the 3rd embodiment, the control circuit 100 further includes one for it
Bluetooth transmitters 70, the bluetooth transmitters 70 are connected with the audio converter 50, for the audio signal of mobile phone to be converted
Into Bluetooth signal, other bluetooth equipments are made to be connected with the Bluetooth signal, it is possible to understand that, should during mobile phone charges
Avoid charging while discharge, by the bluetooth transmitters 70, instead of the bluetooth module of mobile phone, make mobile phone in the same of charging
When can use Bluetooth function, and the battery of institute's mobile phone will not be caused to be lost.
Specifically, in the present embodiment, it is described in order to be apparent from the working status of second audio interface 60
Control circuit 100 further includes one first light emitting diode 61, and first light emitting diode 61 is arranged on second audio interface
Between 60 and the audio converter 50.
Similarly, the control circuit 100 further includes one second light emitting diode 42, and second light emitting diode 42 is arranged on
Between first audio interface 41 and charging interface 40；The control circuit 100 further includes one the 3rd light emitting diode 43, institute
The 3rd light emitting diode 43 is stated to be arranged between the dc chopper 30 and each charging interface 40.
Specifically, first light emitting diode 63, the second light emitting diode 42 and the 3rd light emitting diode 43 from
The surface of the housing 201 is both passed through by end.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of Adapter control circuit, including sequentially connected transformer, power supply changeover device and dc chopper, its feature
It is, the charging interface and audio converter for further including while being connected with the dc chopper；
Line voltage is converted into operating voltage by the transformer, the power supply changeover device and the dc chopper jointly；
The charging interface is connected with the audio converter, and the charging interface receives the operating voltage to be supplied to electricity consumption
Terminal charge, and the digital audio and video signals of the electric terminal are obtained, while the digital audio and video signals are sent to one first
Audio interface and the audio converter；
The audio converter is connected with the second audio interface, and the digital audio and video signals are converted into mould by the audio converter
Intend audio signal and send to second audio interface.
2. Adapter control circuit according to claim 1, it is characterised in that first audio interface includes
Lighting USB earphone interfaces, Micro USB earphone interfaces and Type-C USB earphone interfaces.
3. Adapter control circuit according to claim 1, it is characterised in that second audio interface includes 2.5mm
Audio interface and/or 3.5mm audio interface.
4. Adapter control circuit according to claim 1, it is characterised in that the control circuit further includes bluetooth hair
Emitter, the bluetooth transmitters are connected with the audio converter.
5. Adapter control circuit according to claim 1, it is characterised in that the control circuit further includes one first hair
Optical diode, first light emitting diode are arranged between second audio interface and the audio converter.
6. Adapter control circuit according to claim 1, it is characterised in that the control circuit further includes one second hair
Optical diode, second light emitting diode are arranged between first audio interface and the charging interface.
7. Adapter control circuit according to claim 1, it is characterised in that the control circuit further includes one the 3rd hair
Optical diode, the 3rd light emitting diode are arranged between the dc chopper and the charging interface.
8. Adapter control circuit according to claim 1, it is characterised in that the charging interface passes through one first audio
Bus connects the audio converter.
9. Adapter control circuit according to claim 1, it is characterised in that first audio interface passes through one second
Audio-frequency bus is connected to the charging interface.
10. a kind of adapter, including housing and the plug arranged on housing side, it is characterised in that further include arranged on the housing
Any one described Adapter control circuit of interior claim 1 to 9, the transformer are connected with the plug, the plug
It is connected through the housing with external power supply, the charging interface, the first audio interface and second audio interface are arranged on
The surface of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085957.6U CN207235090U (en) | 2017-08-28 | 2017-08-28 | Adapter control circuit and adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085957.6U CN207235090U (en) | 2017-08-28 | 2017-08-28 | Adapter control circuit and adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207235090U true CN207235090U (en) | 2018-04-13 |
Family
ID=61859195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721085957.6U Expired - Fee Related CN207235090U (en) | 2017-08-28 | 2017-08-28 | Adapter control circuit and adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207235090U (en) |
-
2017
- 2017-08-28 CN CN201721085957.6U patent/CN207235090U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105120404B (en) | A kind of audio frequency apparatus, terminal device and electronic equipment | |
| CN107643994B (en) | Terminal, terminal peripheral, signal sending and receiving method and data transmission system | |
| CN109660913B (en) | Terminal, terminal peripheral, signal transmission system and signal sending and receiving method | |
| CN205646265U (en) | Cell -phone transmitting port data signal line concentration exchange device | |
| CN106658328B (en) | A kind of earphone test circuit | |
| CN105228044A (en) | A kind of harmless tonequality earphone | |
| CN205790839U (en) | A kind of earphone joint | |
| CN207235090U (en) | Adapter control circuit and adapter | |
| CN206061111U (en) | A kind of multimode audio equipment | |
| CN206195104U (en) | Cable connector module | |
| CN209417726U (en) | A kind of list interface turns the digital interface pinboard of three interfaces | |
| CN106131732A (en) | A kind of earphone | |
| CN101505166B (en) | Audio encoding and decoding module for mobile terminal | |
| CN206674161U (en) | Earphone | |
| CN203072137U (en) | Dual-purpose earphones adopting wired transmission mode and wireless transmission mode | |
| CN109788139A (en) | Mobile phone with direct broadcast function | |
| CN105977740B (en) | A kind of earphone joint | |
| CN201114772Y (en) | Serial speaking device | |
| CN206135136U (en) | Data line of voiced sound source conversion functions and DC earphone interface | |
| CN206195102U (en) | Charging wire of voiced sound source conversion functions and DC earphone interface | |
| CN208572125U (en) | A kind of audio data conversion equipment and audio data transmission system | |
| CN210723594U (en) | Split type interface conversion device and converter | |
| CN209218347U (en) | A kind of hanging detachable earphone of neck | |
| CN204332347U (en) | Can the mellotron of independent assortment button | |
| CN206195077U (en) | Storage type data line of voiced sound source conversion functions and DC earphone interface |
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: 20180413 Termination date: 20210828 |