CN105554604A - Headset interface conversion device and electronic equipment - Google Patents
Headset interface conversion device and electronic equipment Download PDFInfo
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- CN105554604A CN105554604A CN201510893032.3A CN201510893032A CN105554604A CN 105554604 A CN105554604 A CN 105554604A CN 201510893032 A CN201510893032 A CN 201510893032A CN 105554604 A CN105554604 A CN 105554604A
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- pin
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- earphone
- interface group
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses a headset interface conversion device and electronic equipment. The device comprises a first interface group, a second interface group and a switch unit, and each of the first interface group and the second interface group includes a left channel interface, a right channel interface, a mike interface and a ground wire interface; the left channel interface of the first interface group is connected with the four interfaces of the second interface group through the switch unit, the right channel interface of the first interface group is connected with the four interfaces of the second interface group through the switch unit, the mike interface of the first interface group is connected with the four interfaces of the second interface group through the switch unit, the ground wire interface of the first interface group is connected with the four interfaces of the second interface group through the switch unit, and the switch unit controls on-off of a connecting circuit. The headset interface conversion device and electronic equipment provided by the invention realize mutual compatibility of audio-visual equipment and a headset, thereby enabling the audio-visual equipment to communicate with the headset normally; and use of a user is facilitated, usage cost is reduced, and resource waste is avoided.
Description
Technical field
The invention belongs to earphone interface technical field, specifically, the electronic equipment relating to a kind of earphone interface conversion equipment and adopt described earphone interface conversion equipment to design.
Background technology
Current many audiovisual series products and intelligent series products all can have earphone interface, and that can listen song, see video, have simultaneously also has phonetic entry Mike function.
But incompatiblely to mate between current headset designs with audiovisual series products, often can run into: earphone does not have sound after insertion equipment completely, has sound on the contrary when not inserting completely; But there is sound phonetic function to realize after earphone inserts completely; How insert all can not meet has sound again can the situation such as function of voice simultaneously, and can only again mate other a earphone according to equipment, user uses inconvenience and adds use cost.
Summary of the invention
Of the present inventionly provide a kind of earphone interface conversion equipment, solve problem incompatible between audio-visual equipment and earphone.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of earphone interface conversion equipment, comprise first interface group, the second interface group, switch element, described first interface group and the second interface group include left channel interface, right channel interface, microphone interface, interface of the ground wire; The left channel interface of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit; The right channel interface of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit; The microphone interface of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit; The interface of the ground wire of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit.
Further, described switch element comprises four switch member, and each described switch member includes five pins: common pin, the first pin, the second pin, the 3rd pin, the 4th pin; In each switch member, control described switch member, common pin is connected with any one in the first pin, the second pin, the 3rd pin, the 4th pin; The common pin of four switch member is connected one by one with four interfaces of first interface group; First pin of each switch member, the second pin, the 3rd pin, the 4th pin are connected one by one with four interfaces of the second interface group.
Further again, each described switch member is four-way switch, to the shifting block of four direction toggle switch part, the common pin of switch member is connected with any one in the first pin, the second pin, the 3rd pin, the 4th pin.
Further, each described switch member is slide switch, the slide block of slide switch part, and the common pin of switch member is connected with any one in the first pin, the second pin, the 3rd pin, the 4th pin.
Preferably, each described switch member also comprises four relays, in the connection line of common pin and the first pin, the second pin, the 3rd pin, the 4th pin, be provided with the relay described in, by the energising of control relay whether, the break-make of common pin and the first pin, the second pin, the 3rd pin, the 4th pin connection line is controlled.
Further, each relay includes coil, normally opened contact, switching circuit, and normally opened contact is connected in the connection line of common pin and other pins, and switching circuit is connected in the supply line of coil, controls the break-make of supply line.
Preferably, described switching circuit is NPN triode, and one end of described coil connects DC power supply, and the other end connects the collector electrode of described NPN triode, the grounded emitter of described NPN triode, and the base stage of described NPN triode is connected with external equipment.
Further again, described switching circuit is NMOS tube, and one end of described coil connects DC power supply, and the other end connects the drain electrode of described NMOS tube, the source ground of described NMOS tube, and the grid of described NMOS tube is connected with external equipment.
Based on the design of above-mentioned earphone interface conversion equipment, the invention allows for a kind of electronic equipment adopting described earphone interface conversion equipment to design, comprise described earphone interface conversion equipment, described earphone interface conversion equipment comprises first interface group, the second interface group, switch element, and described first interface group and the second interface group include left channel interface, right channel interface, microphone interface, interface of the ground wire; The left channel interface of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit; The right channel interface of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit; The microphone interface of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit; The interface of the ground wire of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit.
Further, whether described electronic equipment controls the energising of the relay of described earphone interface conversion equipment.
Compared with prior art, advantage of the present invention and good effect are: earphone interface conversion equipment of the present invention controls the break-make of connection line between two interface group by switch element, audio-visual equipment can be connected with the corresponding interface of earphone, realize the proper communication between audio-visual equipment and earphone; This earphone interface converter device achieves audio-visual equipment and all kinds of earphone, and earphone and all kinds of audio-visual equipment is compatible, user-friendly, reduces the use cost of user, avoids the wasting of resources, improve user's experience.By the application of earphone interface conversion equipment in the electronic device, achieve the compatibility with all kinds of earphone, reduce the use cost of user.
After reading the detailed description of embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.
Accompanying drawing explanation
Fig. 1 is the structural representation of earphone interface conversion equipment proposed by the invention;
Fig. 2 is the structural representation of Fig. 1 breaker in middle unit;
Fig. 3 is the circuit theory diagrams of Fig. 2 breaker in middle part;
Fig. 4 is the structural representation of Fig. 2 breaker in middle part.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in more detail.
The earphone interface conversion equipment of embodiment one, the present embodiment mainly comprises first interface group A, the second interface group B, switch element etc., and first interface group A is connected with the second interface group B by switch element; First interface group A comprises left channel interface A1, right channel interface A2, microphone interface A3, interface of the ground wire A4, and the second interface group B comprises left channel interface B1, right channel interface B2, microphone interface B3, interface of the ground wire B4, shown in Figure 1.
The left channel interface A1 of first interface group A is connected with left channel interface B1, the right channel interface B2 of the second interface group B, microphone interface B3, interface of the ground wire B4 respectively by switch element, the break-make of the connection line of switch element control A1 and B1, B2, B3, B4; The right channel interface A2 of first interface group A is connected with left channel interface B1, the right channel interface B2 of the second interface group B, microphone interface B3, interface of the ground wire B4 respectively by switch element, the break-make of the connection line of switch element control A2 and B1, B2, B3, B4; The microphone interface A3 of first interface group A is connected with left channel interface B1, the right channel interface B2 of the second interface group B, microphone interface B3, interface of the ground wire B4 respectively by switch element, the break-make of the connection line of switch element control A3 and B1, B2, B3, B4; The interface of the ground wire A4 of first interface group A is connected with left channel interface B1, the right channel interface B2 of the second interface group B, microphone interface B3, interface of the ground wire B4 respectively by switch element, the break-make of the connection line of switch element control A4 and B1, B2, B3, B4.
Pass through switch element, any one interface in A1 and B1, B2, B3, B4 can be made to connect, any one interface in A2 and B1, B2, B3, B4 connects, and any one interface in A3 and B1, B2, B3, B4 connects, and any one interface in A4 and B1, B2, B3, B4 connects.
By described earphone interface conversion equipment, audio-visual equipment and earphone are linked together.A1, A2, A3, A4 of first interface group A are connected one by one with the L channel of audio-visual equipment, R channel, Mike, ground wire, and B1, B2, B3, B4 of the second interface group B are connected one by one with the L channel of earphone, R channel, Mike, ground wire; By the break-make of the connection line of switch element control A1, A2, A3, A4 and B1, B2, B3, B4.
Such as, the connection line conducting of A1 and B1, the connection line conducting of A2 and B2, the connection line conducting of A3 and B3, the connection line conducting of A4 and B4 can be made by switch element, make the L channel of audio-visual equipment, R channel, Mike, ground wire and earphone L channel, R channel, Mike, ground wire is corresponding connects, thus earphone and audio-visual equipment can be supported the use, realize listening the functions such as song, phonetic entry.
The earphone interface conversion equipment of the present embodiment, controls the break-make of connection line between two interface group by switch element, audio-visual equipment can be connected with the corresponding interface of earphone, realize the proper communication between audio-visual equipment and earphone; This earphone interface converter device achieves audio-visual equipment and all kinds of earphone, and earphone and all kinds of audio-visual equipment is compatible, user-friendly, reduces the use cost of user, avoids the wasting of resources, improve user's experience.
Switch element has multiple choices, can be designed as four switch member: switch member 1, switch member 2, switch member 3, switch member 4, each switch member includes five pin: common pin P0, the first pin P1, the second pin P2, the 3rd pin P3, the 4th pin P4; In each switch member, console switch part, makes common pin P0 can be connected with any one in the first pin P1, the second pin P2, the 3rd pin P3, the 4th pin P4.
Four switch member have four common pin, and four common pin P0 are connected one by one with four interfaces A1, A2, A3, A4 of first interface group; First pin P1, the second pin P2, the 3rd pin P3, the 4th pin P4 of each switch member are connected one by one with four interfaces B1, B2, B3, B4 of the second interface group, shown in Figure 2.
Specifically, P0 and the A1 of switch member 1 connects, and P0 and the A2 of switch member 2 connects, and P0 and the A3 of switch member 3 connects, and P0 and the A4 of switch member 4 connects; P1, P2, P3, P4 and B1, B2, B3, B4 of switch member 1 connect one to one; P1, P2, P3, P4 and B1, B2, B3, B4 of switch member 2 connect one to one; P1, P2, P3, P4 and B1, B2, B3, B4 of switch member 3 connect one to one; P1, P2, P3, P4 and B1, B2, B3, B4 of switch member 4 connect one to one.
Suppose that A1 connects the L channel of audio-visual equipment, A2 connects the R channel of audio-visual equipment, and A3 connects the Mike of audio-visual equipment, and A4 connects the ground wire of audio-visual equipment; The L channel of B1 frames connecting with headphone, the R channel of B2 frames connecting with headphone, the Mike of B3 frames connecting with headphone, the ground wire of B4 frames connecting with headphone.
Console switch part 1, makes P0 and the P1 connection line conducting of switch member 1, realizes the conducting of audio-visual equipment L channel and headset left channel connection line; Console switch part 2, makes P0 and the P2 connection line conducting of switch member 2, realizes the conducting of audio-visual equipment R channel and earphone R channel connection line; Console switch part 3, makes P0 and the P3 connection line conducting of switch member 3, realizes the conducting of audio-visual equipment Mike and earphone Mike connection line; Console switch part 4, makes P0 and the P4 connection line conducting of switch member 4, realizes the conducting of audio-visual equipment ground wire and earphone ground wire connection line; By four switch member, realize the proper communication between audio-visual equipment and earphone.
For the ease of control common pin P0 can with the first pin P1, second pin P2, 3rd pin P3, any one in 4th pin P4 connects, four relay: K1 are also comprised in each switch member, K2, K3, K4, relay K 1 is connected with in the connection line of P0 and P1, relay K 2 is connected with in the connection line of P0 and P2, relay K 3 is connected with in the connection line of P0 and P3, relay K 4 is connected with in the connection line of P0 and P4, shown in Figure 3, by whether controlling the energising of four relays, realize control P0 and P1, P2, P3, the break-make of P4 connection line.Whether realize controlling the break-make of connection line by the energising of control relay, simple and convenient, be easy to realize.
Specifically, each relay includes coil, normally opened contact, switching circuit, normally opened contact is connected in the connection line of P0 and other pins (P1, P2, P3 or P4), and switching circuit is connected in the supply line of coil, the break-make of switching circuit control coil supply line.
The course of work of relay is described with relay K 1 below.
The normally opened contact of relay K 1 is connected in the connection line of P0 and P1, supply line's conducting of switching circuit control coil, coil electricity, and normally opened contact closes, the connection line conducting of P0 and P1; The supply line of switching circuit control coil disconnects, coil losing electricity, and normally opened contact disconnects, and the connection line of P0 and P1 disconnects.
By the break-make of switching circuit control coil supply line, the switch ways of switching circuit is connected in the supply line of coil, and the control end of switching circuit is connected with external equipment.
Switching circuit can be chosen as NPN triode Q1, one end of coil connects DC power supply VCC, the other end of coil connects the collector electrode of NPN triode Q1, the grounded emitter of NPN triode Q1, and the base stage of NPN triode Q1 connects the control pin of external equipment by resistance.
When external equipment sends high level to the base stage of NPN triode Q1, NPN triode Q1 conducting, supply line's conducting of coil, the electric current that DC power supply VCC provides flows through coil, and coil powers on; When external equipment sends low level to the base stage of NPN triode Q1, NPN triode Q1 disconnects, and supply line's disconnection of coil, the electric current that DC power supply VCC provides flows through coil, coil losing electricity.
Switching circuit can also be chosen as NMOS tube, and one end of coil connects DC power supply VCC, and the other end of coil connects the drain electrode of NMOS tube, the source ground of NMOS tube, and the grid of NMOS tube connects the control pin of external equipment by resistance.When external equipment sends high level to the grid of NMOS tube, NMOS tube conducting, supply line's conducting of coil, coil powers on; When external equipment sends low level to the grid of NMOS tube, NMOS tube disconnects, and the supply line of coil disconnects, coil losing electricity.
Realize, to relay power whether control, controlling simple and convenient, be easy to realize, and cost being lower by the break-make of control NPN triode or NMOS tube.
External equipment can be the audio-visual equipment such as mobile phone, PAD, PC, and the control pin of audio-visual equipment sends the control end of high level/low level to switching circuit, the switch ways break-make of control switch circuit, thus whether control relay is energized.
Switch element comprises four switch member, and each switch member comprises four relays, and whole switch element has 16 relays.
Based on the design of above-mentioned earphone interface conversion equipment, the present embodiment also proposed a kind of electronic equipment, comprises described earphone interface conversion equipment.
Be provided with control unit in electronic equipment, whether the energising of the relay of the control pin control earphone interface conversion equipment of control unit.
Specifically, control pin and be connected with the control end (base stage of NPN triode or the grid of NMOS tube) of switching circuit, to control end transmission high level/low level, the break-make of the switch ways of control switch circuit, thus the energising of control relay is whether.
Because whole earphone interface conversion equipment has 16 relays, therefore main control unit controls pins by 16 and whether controls the energising of 16 relays.
After electronic equipment is connected with earphone, electronic equipment controls pins by 16 and whether controls the energising of 16 relays, and debugging and the connection of earphone interface, realize the proper communication with earphone.
Described electronic equipment is the audio-visual equipment such as mobile phone, PAD, PC and intelligent terminal.
The electronic equipment of the present embodiment can mate with all kinds of earphone compatible, realizes the proper communication with earphone, easy to use, reduces the use cost of user.
Embodiment two, earphone interface conversion equipment and the difference of embodiment one of the present embodiment are that the structural design of the switch member of switch element is different, in the present embodiment, each switch member of switch element is four-way switch, four-way switch comprises shifting block, common pin P0, the first pin P1, the second pin P2, the 3rd pin P3, the 4th pin P4, to the shifting block of four direction toggle switch part, common pin P0 can be connected with any one in the first pin P1, the second pin P2, the 3rd pin P3, the 4th pin P4, shown in Figure 4.
Shown in Figure 4, upwards stir shifting block, the connection line conducting of P0 and P1; Stir shifting block to the right, the connection line conducting of P0 and P2; Stir shifting block downwards, the connection line conducting of P0 and P3; Stir shifting block left, the connection line conducting of P0 and P4.
Switch member can also be chosen as slide switch, and slide switch comprises slide block and P0, P1, P2, P3, P4, sliding slider, and common pin P0 can be connected with any one in the first pin P1, the second pin P2, the 3rd pin P3, the 4th pin P4.Certainly, switch member all right selection key switch or roller switch etc., repeat no more herein.
Four-way switch structure is simple, is convenient to realize, and cost is lower, reduces the cost of whole earphone interface conversion equipment; And only need the connection of stirring shifting block and adjustable audio-visual equipment and earphone, simple and convenient, user-friendly.
By operating the shifting block of four switch member, controlling the break-make of connection line between two interface group, audio-visual equipment can be connected with the corresponding interface of earphone, realize the proper communication between audio-visual equipment and earphone; This earphone interface converter device achieves the compatible, user-friendly of audio-visual equipment and all kinds of earphone, reduces the use cost of user, avoids the wasting of resources, improve user's experience.
Based on the design of above-mentioned earphone interface conversion equipment, the present embodiment also proposed a kind of electronic equipment, comprises described earphone interface conversion equipment.
After electronic equipment is connected with earphone, by the shifting block debugging of four switch member and the connection of earphone interface, realize the proper communication with earphone.
Described electronic equipment is the audio-visual equipment such as mobile phone, PAD, PC and intelligent terminal.
The electronic equipment of the present embodiment can mate with all kinds of earphone compatible, realizes the proper communication with earphone, easy to use, reduces the use cost of user.
Certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. an earphone interface conversion equipment, is characterized in that: comprise first interface group, the second interface group, switch element, and described first interface group and the second interface group include left channel interface, right channel interface, microphone interface, interface of the ground wire;
The left channel interface of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit;
The right channel interface of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit;
The microphone interface of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit;
The interface of the ground wire of first interface group is connected with four interfaces of the second interface group respectively by described switch element, the break-make of described switch element control connection circuit.
2. earphone interface conversion equipment according to claim 1, is characterized in that: described switch element comprises four switch member, and each described switch member includes five pins: common pin, the first pin, the second pin, the 3rd pin, the 4th pin;
In each switch member, control described switch member, common pin is connected with any one in the first pin, the second pin, the 3rd pin, the 4th pin;
The common pin of four switch member is connected one by one with four interfaces of first interface group;
First pin of each switch member, the second pin, the 3rd pin, the 4th pin are connected one by one with four interfaces of the second interface group.
3. earphone interface conversion equipment according to claim 2, it is characterized in that: each described switch member is four-way switch, to the shifting block of four direction toggle switch part, the common pin of switch member is connected with any one in the first pin, the second pin, the 3rd pin, the 4th pin.
4. earphone interface conversion equipment according to claim 2, it is characterized in that: each described switch member is slide switch, the slide block of slide switch part, makes the common pin of switch member be connected with any one in the first pin, the second pin, the 3rd pin, the 4th pin.
5. earphone interface conversion equipment according to claim 2, it is characterized in that: each described switch member also comprises four relays, in the connection line of common pin and the first pin, the second pin, the 3rd pin, the 4th pin, be provided with the relay described in, by the energising of control relay whether, the break-make of common pin and the first pin, the second pin, the 3rd pin, the 4th pin connection line is controlled.
6. earphone interface conversion equipment according to claim 5, it is characterized in that: each relay includes coil, normally opened contact, switching circuit, normally opened contact is connected in the connection line of common pin and other pins, switching circuit is connected in the supply line of coil, controls the break-make of supply line.
7. earphone interface conversion equipment according to claim 6, it is characterized in that: described switching circuit is NPN triode, one end of described coil connects DC power supply, the other end connects the collector electrode of described NPN triode, the grounded emitter of described NPN triode, the base stage of described NPN triode is connected with external equipment.
8. earphone interface conversion equipment according to claim 6, it is characterized in that: described switching circuit is NMOS tube, one end of described coil connects DC power supply, and the other end connects the drain electrode of described NMOS tube, the source ground of described NMOS tube, the grid of described NMOS tube is connected with external equipment.
9. an electronic equipment, is characterized in that: comprise the earphone interface conversion equipment any one of claim 5 to 8 as described in claim.
10. electronic equipment according to claim 9, is characterized in that: whether described electronic equipment controls the energising of the relay of described earphone interface conversion equipment.
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| CN201510893032.3A CN105554604A (en) | 2015-12-08 | 2015-12-08 | Headset interface conversion device and electronic equipment |
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| CN201510893032.3A CN105554604A (en) | 2015-12-08 | 2015-12-08 | Headset interface conversion device and electronic equipment |
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Cited By (1)
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| CN106207685B (en) * | 2016-07-22 | 2018-11-30 | 歌尔股份有限公司 | A kind of plug interconnecting device |
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| CN104581474A (en) * | 2013-10-28 | 2015-04-29 | 美律电子(深圳)有限公司 | Handheld electronic device and corresponding ant-noise earphone |
| CN204231639U (en) * | 2014-05-13 | 2015-03-25 | 上海天奕达电子科技有限公司 | A kind of earphone detecting circuit |
| CN204180263U (en) * | 2014-09-03 | 2015-02-25 | 深圳市星工场科技有限公司 | Compatible many standard stereo plug, mobile phone and panel computer |
| CN104393459A (en) * | 2014-10-27 | 2015-03-04 | 常州听觉工坊智能科技有限公司 | Interface circuit, interface switching method and electronic device |
| CN104459376A (en) * | 2014-11-18 | 2015-03-25 | 青岛海信移动通信技术股份有限公司 | Interface circuit and peripheral detection method and external sensor based on interface circuit |
| CN104581527A (en) * | 2014-11-18 | 2015-04-29 | 青岛海信移动通信技术股份有限公司 | Interface circuit, as well as external detection method and external sensor based on circuit |
| CN204697273U (en) * | 2015-04-09 | 2015-10-07 | 深圳天珑无线科技有限公司 | Left and right acoustic channels commutation circuit |
| CN204836506U (en) * | 2015-07-24 | 2015-12-02 | 歌尔声学股份有限公司 | Headset patch cord |
| CN205195923U (en) * | 2015-12-08 | 2016-04-27 | 潍坊歌尔电子有限公司 | Earphone interface converting device and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106207685B (en) * | 2016-07-22 | 2018-11-30 | 歌尔股份有限公司 | A kind of plug interconnecting device |
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