CN101533981B - Adapter - Google Patents
Adapter Download PDFInfo
- Publication number
- CN101533981B CN101533981B CN2008100200002A CN200810020000A CN101533981B CN 101533981 B CN101533981 B CN 101533981B CN 2008100200002 A CN2008100200002 A CN 2008100200002A CN 200810020000 A CN200810020000 A CN 200810020000A CN 101533981 B CN101533981 B CN 101533981B
- Authority
- CN
- China
- Prior art keywords
- double
- electric connector
- plug
- audio
- adapter
- 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
Images
Landscapes
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses an adaptor; one end of the adaptor can be connected with an audio play device; the adaptor comprises a plug which is connected with the audio play device and can transmit an electric signal and an audio signal, an electric connector which is used for connecting other butt connectors and a conversion system; the conversion system is provided with a switching circuit which comprises a double-pole double-throw switch and two electronic switches with a plurality of connecting pins; one end of the plug is connected with the audio play device and the other end thereof comprises a first terminal and a second terminal which are respectively and electrically connected with the corresponding electronic switch; the electric connector comprises an electric signal transmission terminal and an audio signal transmission terminal; when the double-pole double-throw switch is thrown to a first edge, the audio signal transmission terminal of the electric connector is electrically connected with the plug so as to lead the audio play device to play songs; and when the double-pole double-throw switch is thrown to a second edge, the audio signal transmission terminal of the electric connector is disconnected with the plug, while the electric signal transmission terminal is communicated with the plug so as to lead the audio play device to be charged.
Description
[technical field]
The invention relates to a kind of adapter, refer in particular to a kind of adapter that connects audio-frequence player device.
[background technology]
Music player and the electronic equipment that has a music playback function are popular electronic equipments at present.This electronic equipment of a part need charge the battery so that battery has enough electric weight to keep the operate as normal of electronic equipment by charger.Because the design of modern electronic equipment is more and more succinct, increasing electronic equipment is designed to only realize by a unique electric connector transfer function of all signals.Therefore we need design a kind of audio-frequence player device that is fit to only to have single input and output socket, and the adapter that can selectivity carries out audio signal and power supply signal transmission makes the user can select the present operating state of audio-frequence player device as required.
[summary of the invention]
The object of the present invention is to provide a kind of adapter, it can optionally transmit power supply signal and audio signal according to user's demand.
To achieve these goals, the present invention adopts following technical scheme: a kind of adapter, one end can connect audio-frequence player device, it comprises and being connected with audio-frequence player device and can transmission of electric signals and the plug of audio signal, one in order to connect the electric connector of other butt connectors, an and converting system, described converting system has a switch switching circuit, described switch switching circuit comprises a double-point double-throw switch and two electronic switches with some pins, described plug one end is connected with audio-frequence player device, the other end comprise respectively with corresponding electronic switch electrically connect first, second terminal, described electric connector comprises signal of telecommunication transmission terminal and audio signal transmission terminal, when double-point double-throw switch is thrown to first limit, the audio signal transmission terminal of described electric connector and plug electrically connect, audio-frequence player device can be sung, when double-point double-throw switch is thrown to second limit, the audio signal transmission terminal of described electric connector and plug disconnect and signal of telecommunication transmission terminal and plug conducting can be recharged audio-frequence player device.
Compared to prior art, adapter of the present invention has the following advantages: can change between power supply signal transmission and audio signal transmission, and be fit to only have the audio-frequence player device use of single input and output socket.
[description of drawings]
Fig. 1 is the stereogram of adapter of the present invention.
Fig. 2 is the exploded view of Fig. 1.
Fig. 3 is the circuit diagram of adapter of the present invention.
Fig. 4 is the circuit diagram of electronic switch among Fig. 3.
[embodiment]
Adapter one end of the present invention connects audio-frequence player device (not shown), and other end connection dock work station etc. can connect the jockey (not shown) of power supply and loudspeaker apparatus (or earphone) simultaneously.Fig. 1 is to the diagram that Figure 4 shows that preferred embodiment of the present invention.Referring to figs. 1 through shown in Figure 2, adapter 100 comprises housing 101, circuit board 102,103, switch 104, plug 105, have the electric connector 106 of plurality of terminals 1061 and the conducting wire and the some electronic components that are distributed on the circuit board are formed.Its middle shell 101 comprises first housing 1012 and second housing 1014 that shape cooperatively interacts and can fit together.First housing 1012 has through hole 10122 and passes for plug 105.Second housing 1014 has in order to the opening 10142 of accommodating electric connector, and in order to the fixing-holding rack 10144 of fixing circuit board 102.Switch 104 comprises Switch main body 1042 and shifting part 1041.
Have some conducting wires and electronic component on the circuit board 102,103 of adapter 100 and have conducting wire with 1061 conductings of plug 105 and electric connector 106 pins.These conducting wires and electronic component have been formed a converting system 200 that makes the user can realize as required and changing between audio frequency apparatus charge function and the voice playing function.Please refer to shown in Figure 3ly, converting system 200 comprises the circuit for detecting 220, the power circuit 230 that is connected with electric connector 106 that are connected with electric connector 106, has the switch switching circuit of a double-point double-throw switch 240 and two electronic switches 250 and the circuit for detecting 260 that is connected electronic switch 250.In the present embodiment, electric connector 106 has 30 terminals, and the one end can connect dock work station electrical connectors such as (not shown), so that electric connector 106 can be connected with charge power supply and loud speaker, sound equipment or earphone etc. by the dock work station; Its other end connects converting system 200.Circuit for detecting 220 is connected on the terminal of electric connector 106 correspondences, whether be connected in order to the detecting electric connector with audio-frequence player device or charging device, then can discern automatically when corresponding device is connected with electric connector when detecting, extraneous voltage is loaded on the power circuit 230.Power circuit 230 is made of two parts, and when extraneous input voltage was V1=5V, electric current directly flow through, and when extraneous input voltage was V2=12V, then needing by a transformer was 5V voltage with the 12V voltage transitions of input.Therefore power circuit 230 comprises first branch road 231 with transformer and second branch road 232 with transformer, for the electric current that makes two circuits does not interfere with each other, not causing and reflux waiting the phenomenon that influence system works, to make these two circuits all be unidirectional conducting to loading one diode on each circuit.By power circuit 230, converting system 200 can be transmitted stable 5V voltage.Double-point double-throw switch 240 connects power circuit 230 then.Double-point double-throw switch 240 first cuttves 241 connect power circuit 230,242 attachment plugs 105 of second cutter, double-point double-throw switch 240 is thrown when first limit, connects a discharge circuit 280, throwing when second limit can first cutter 241 and electronic switch 250 conductings, and second cutter 242 loads a positive voltage.With reference to shown in Figure 4, each electronic switch 250 comprises the integrated circuit block 252 of one 6 pins, the 6th pin 6 is electric current input pin, the voltage of power circuit 230 outputs is carried on the integrated circuit block 252 by the 6th pin 6, the 4th pin 4 electrically connects with the terminal of plug 105, and the 3rd pin 3 electrically connects with the audio transmission terminal 1062 of electric connector.First pin 1 and 4 conductings of the 4th pin when the voltage of power circuit 230 is carried on the integrated circuit block 252, the 3rd pin 3 and 4 conductings of the 4th pin when not having on-load voltage on the 6th pin 6.Plug 105 has four terminals, and wherein first, second terminal 1051,1052 connects second cutter, 242 connections that electronic switch 250, the three terminals 1053 connect double-point double-throw switch 240, the 4th terminal 1054 ground connection by a circuit for detecting 260 backs respectively.
During work, when double-point double-throw switch is thrown to discharge circuit 280 one side, power circuit 230 disconnects with electronic switch 250, this moment the 3rd pin 3 and 4 conductings of the 4th pin, make plug 105 be connected with the audio transmission terminal 1062 of electric connector 106, thereby audio-frequence player device can be put the music on by adapter 100 transmitting audio signals by electronic switch 250.When double-point double-throw switch was thrown to second limit, power circuit 230 was by first cutter 241 and electronic switch 250 conductings, and can make win pin 1 and four pin 4 conductings behind electronic switch 250 on-load voltages this moment, thus plug 105 and power circuit 230 conductings.Because audio-frequence player device need be awarded a signal and just can be charged normal, therefore plug 105 and circuit for detecting 260 between the electronic switch 250 promptly be used for power circuit 230 conductings after enforceable to plug 105 1 signals of telecommunication, make audio player receive signal, can charge normal.
Claims (10)
1. adapter, one end can connect audio-frequence player device, it comprises and being connected with audio-frequence player device and can transmission of electric signals and the plug of audio signal, one in order to connect the electric connector of other butt connectors, an and converting system, it is characterized in that: described converting system has a switch switching circuit, described switch switching circuit comprises a double-point double-throw switch and two electronic switches with some pins, described plug one end is connected with audio-frequence player device, the other end comprise respectively with corresponding electronic switch electrically connect first, second terminal, described electric connector comprises signal of telecommunication transmission terminal and audio signal transmission terminal, when double-point double-throw switch is thrown to first limit, the audio signal transmission terminal of described electric connector and plug electrically connect, audio-frequence player device can be sung, when double-point double-throw switch is thrown to second limit, the audio signal transmission terminal of described electric connector and plug disconnect and signal of telecommunication transmission terminal and plug conducting can be recharged audio-frequence player device.
2. adapter as claimed in claim 1 is characterized in that: described converting system comprises that also one is connected in the power circuit between electric connector and the double-point double-throw switch, and described power circuit is used for converting different input voltages to stable 5V voltage output.
3. adapter as claimed in claim 2, it is characterized in that: described power circuit is to be made of first, second branch road, described first branch road connect electric connector input 5V voltage terminal and have a diode, described second branch road connects the terminal of input 12V voltage and has a transformer and a diode, and diode does not disturb the electric current of first branch road and second branch road mutually.
4. adapter as claimed in claim 2, it is characterized in that: described double-point double-throw switch comprises first cutter and second cutter that connects power circuit, second limit connects two electronic switches, the signal of telecommunication that electronic switch can be received come from electric connector and on-load voltage.
5. adapter as claimed in claim 4 is characterized in that: the signal of telecommunication transmission terminal of described electric connector and double-point double-throw switch electrically connect, and audio signal transmission terminal and electronic switch electrically connect.
6. adapter as claimed in claim 5 is characterized in that: described plug also comprises the 3rd terminal that is connected with second cutter of double-point double-throw switch, and the 4th terminal of ground connection.
7. adapter as claimed in claim 5, it is characterized in that: described double-point double-throw switch is thrown and connect a discharge circuit when first limit, throw when second limit described first cutter and connect the signal of telecommunication that electronic switch can receive electronic switch to come from electric connector and on-load voltage, second cutter loads a positive voltage.
8. adapter as claimed in claim 7, it is characterized in that: each described electronic switch has six pins, wherein the 6th pin is used to receive the signal of telecommunication that electric connector transmits, first pin is controlled by the 6th pin, the 3rd pin is used to connect corresponding audio signal transmission terminal on the electric connector, and the 4th pin is used for first, second terminal of attachment plug.
9. adapter as claimed in claim 8 is characterized in that: described when double-point double-throw switch is thrown to first limit, the 3rd pin of electronic switch and the 4th pin conducting electrically connect the audio signal transmission terminal of plug and electric connector; When double-point double-throw switch was thrown to second limit, first pin of electronic switch and the 4th pin conducting electrically connected the signal of telecommunication transmission terminal of described plug and electric connector.
10. adapter as claimed in claim 1, it is characterized in that: described adapter also comprises two circuit for detecting between first, second terminal that is connected to electronic switch and plug, described circuit for detecting is used for enforceable plug one voltage of giving after it receives the signal of telecommunication, can charge normal after making audio-frequence player device receive signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100200002A CN101533981B (en) | 2008-03-11 | 2008-03-11 | Adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100200002A CN101533981B (en) | 2008-03-11 | 2008-03-11 | Adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101533981A CN101533981A (en) | 2009-09-16 |
| CN101533981B true CN101533981B (en) | 2011-10-05 |
Family
ID=41104434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100200002A Expired - Fee Related CN101533981B (en) | 2008-03-11 | 2008-03-11 | Adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101533981B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103581794A (en) * | 2012-07-31 | 2014-02-12 | 环汇系统有限公司 | Power management circuit in peripheral accessory of audio equipment |
| CN110011148B (en) * | 2019-04-24 | 2021-04-20 | 深圳市海盈智联实业有限公司 | Data transmission line switching interface |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6503104B1 (en) * | 1997-01-20 | 2003-01-07 | Sony Corporation | Adaptor for connecting between terminals with multiple pieces |
| CN2882032Y (en) * | 2006-02-14 | 2007-03-21 | 翼庆企业股份有限公司 | usb hub |
| CN1996669A (en) * | 2006-07-19 | 2007-07-11 | 于素清 | Computer desktop connector |
-
2008
- 2008-03-11 CN CN2008100200002A patent/CN101533981B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6503104B1 (en) * | 1997-01-20 | 2003-01-07 | Sony Corporation | Adaptor for connecting between terminals with multiple pieces |
| CN2882032Y (en) * | 2006-02-14 | 2007-03-21 | 翼庆企业股份有限公司 | usb hub |
| CN1996669A (en) * | 2006-07-19 | 2007-07-11 | 于素清 | Computer desktop connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101533981A (en) | 2009-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100576656C (en) | Portable consumer electronic device and method for reducing the number of external connections required therefor | |
| CN110944076B (en) | Electronic devices and accessories with fast charging and audio transmission functions | |
| CN101217225B (en) | An audio signal switching device | |
| CN101102119B (en) | A charging detection circuit of appliance device and charging detection method | |
| US20180152778A1 (en) | Composite earphone | |
| CN201075704Y (en) | Detection circuit of electrical equipment and mobile phone having the circuit | |
| CN102710821B (en) | Hand microphone for interphone and interphone | |
| CN101533981B (en) | Adapter | |
| CN210780912U (en) | Electronic equipment and accessory with quick charging and audio transmission functions | |
| CN105552607A (en) | Earphone plug connector | |
| US7755221B2 (en) | Electronic device with compound audio interface and power adapter | |
| CN109446140B (en) | Micro USB interface integrated multiplexing circuit and electronic equipment | |
| CN220457570U (en) | Earphone box and earphone assembly | |
| CN101453091A (en) | Composite audio and electric power switching device and power adapter thereof | |
| CN207835731U (en) | A kind of earphone cradle | |
| CN202772340U (en) | Multifunctional connector and electronic device | |
| CN100432964C (en) | Audio/USB signal multiplexing line, broadcasting memory and multiplexing transmitting broadcasting memory system | |
| CN112511937B (en) | Bluetooth headset and use mode switching method of Bluetooth headset | |
| CN210007076U (en) | kinds of adapters | |
| CN210326393U (en) | Data patch cord | |
| CN211606768U (en) | Bluetooth earphone | |
| CN203912158U (en) | USB and audio multiplexing line and Bluetooth sound box circuit | |
| CN208462003U (en) | A kind of earphone cradle | |
| CN207939218U (en) | A back clip mobile power supply with a transfer interface | |
| CN216982101U (en) | Embedded bluetooth headset, shell equipment and external member thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20140311 |