CN202261743U

CN202261743U - Earphone possessing horn playing function

Info

Publication number: CN202261743U
Application number: CN201120375420XU
Authority: CN
Inventors: 林佳忠
Original assignee: Merry Electronics Shenzhen Co ltd
Current assignee: Merry Electronics Shenzhen Co ltd
Priority date: 2011-09-28
Filing date: 2011-09-28
Publication date: 2012-05-30
Anticipated expiration: 2021-09-28

Abstract

The utility model discloses an earphone possessing the horn playing function. The earphone is characterized in that the earphone includes a first playing unit which is provided with a first loudspeaker to play the sound, a second playing unit which is provided with a second loudspeaker to play the sound, a first sound source interface which is arranged on the first playing unit and is electrically connected with the first loudspeaker and the second loudspeaker, and a second sound source interface which is arranged on the first playing unit or the second playing unit and is electrically connected with the first loudspeaker and the second loudspeaker via an amplifying circuit. Through arranging two sound source interfaces on the playing units, an earphone wearer can selectively insert an external sound source interface as required, and can make the earphone work in an earphone mode or a big volume horn mode so as to carry out the volume output which is suitable for the environment at that time.

Description

Have the earphone of loudspeaker playing function concurrently

Technical field

The utility model belongs to the earphone field, relates in particular to a kind of source of sound signal when the input distinct interface, can make earphone operate in the earphone of headset mode or speaker model.

Background technology

Along with the digitized development trend of music file formats; But the electronic product of playing back music archives is also more and more many on the market; Especially at present electronic product is in order to stress the integration of multimedia function; Except computer can provide the music playback function, mobile phone also begins music playback function is integrated in wherein already, and makes people when going out; Not only can see through mobile phone and people's conversation, the enjoyment that more can come enjoy music to bring by the music playback function that mobile phone provided.

Enjoy not to be afraid of again and influence other people in order to take into account music simultaneously; Therefore the earphone of need arranging in pairs or groups inevitably comes combined with mobile telephone or other music player (for example computer or walkman or the like); See through the collocation of earphone; Can directly converse or listoning music by this earphone; Yet in order to be afraid of to influence the ear-phone function that other people design, if meet when must voice or music be shared with people at one's side, or the user is because when wearing earphone and cause ear uncomfortable for a long time; Will tend to so earphone unloaded to change by music player after shelving or earphone being pulled out do source of sound output; If but the music player of building loud speaker in not having promptly can't play, if perhaps mobile phone then because in to build the power output of loud speaker on the low side, if the people arround will amplifying can both hear that a little difficulty is also arranged; Edge this, how to improve then problem of variation that earphone promotes its function for having to think deeply.

The utility model content

The purpose of the utility model is to provide a kind of have simultaneously headset mode and speaker model, can let the user select the control operation pattern voluntarily, enjoys voice or music voluntarily, and these voice or music are shared with other people.

For realizing above-mentioned purpose, the utility model adopts technical scheme:

A kind of earphone that has the loudspeaker playing function concurrently; Include first broadcast unit, second broadcast unit, the first source of sound interface and the second source of sound interface; Wherein first broadcast unit has first loud speaker; Second broadcast unit also has second loud speaker; First source of sound interface system is arranged on first broadcast unit and is electrically connected at first loud speaker simultaneously and second loud speaker, and the second source of sound interface can be arranged on first broadcast unit or second broadcast unit, and electrically connects first loud speaker and second loud speaker simultaneously through an amplifying circuit.When the source of sound signal when the external sound source interface is sent into earphone via the first source of sound interface; This moment, earphone operated under the headset mode; The source of sound signal is promptly directly broadcasted by first loud speaker and second loud speaker; And when the source of sound signal when the external sound source interface is sent into via the second source of sound interface, this moment, earphone operated under the speaker model, was done the output of big volume after the source of sound signal promptly sees through amplifying circuit and amplifies again by first loud speaker and second loud speaker.

Therefore; The utility model is provided with two source of sound interfaces on broadcast unit; To make things convenient for the earphone wearer that the external sound source interface is selected to plug according to instantly demand, can let earphone operate under the bigger speaker model of headset mode or volume, to meet the better suited volume output of prevailing circumstances.

Description of drawings

Fig. 1 is the said circuit diagram that has the earphone of loudspeaker playing function concurrently of the utility model;

Fig. 2 A is the said partial schematic diagram of earphone before preparing to be connected to headset mode that has the loudspeaker playing function concurrently of the utility model;

Fig. 2 B is the complete diagram that the said earphone that has the loudspeaker playing function concurrently of the utility model has connected headset mode;

Fig. 3 A is the said partial schematic diagram of earphone before preparing to be connected to speaker model that has the loudspeaker playing function concurrently of the utility model;

Fig. 3 B is the complete diagram that the said earphone that has the loudspeaker playing function concurrently of the utility model has connected speaker model.

Among the figure:

10	First broadcast unit	11	First loud speaker
				20	Second broadcast unit	21	Second loud speaker
30	The first source of sound interface	40	The second source of sound interface
				50	Amplifying circuit	51	Differential amplifier
60	Headband	61	Fork portion
				70	The external sound source interface	?	?

Embodiment

Below in conjunction with accompanying drawing and specific embodiment the said earphone that has the loudspeaker playing function concurrently of the utility model is further specified.

Shown in Figure 1 is the said circuit diagram that has the earphone of loudspeaker playing function concurrently of present embodiment.Said earphone includes one first broadcast unit 10, one second broadcast unit 20, one first source of sound interface 30 and one second source of sound interface 40; Wherein first broadcast unit 10 has one first loud speaker 11 in order to play sound; And second broadcast unit 20 also has one second loud speaker 21 in order to play sound; And the first source of sound interface 30 is to be arranged on first broadcast unit 10, and is electrically connected at first loud speaker 11 and second loud speaker 21, in this embodiment; The second source of sound interface 40 is arranged on first broadcast unit 10; Seeing through an amplifying circuit 50 and electrically connect first loud speaker 11 and second loud speaker 21, when a source of sound signal is sent into via the first source of sound interface 30 by an external sound source interface, is to be headset mode; This moment, source of sound signal system was broadcasted by first loud speaker 11 and second loud speaker 21; And when the source of sound signal is sent into via the second source of sound interface 40 by the external sound source interface, be to be speaker model, this moment, source of sound signal system was broadcasted by first loud speaker 11 and second loud speaker 21 after seeing through amplifying circuit 50 amplifications again.

In the middle of present embodiment; Amplifying circuit 50 includes two differential amplifiers 51, and two differential amplifiers systems is electrically connected at first loud speaker 11 and second loud speaker 21 respectively, and audio signal sees through the second source of sound interface 40 when sending into; Can the source of sound signal be made processing and amplifying by two differential amplifiers 51; Thus, do not have the headset mode of amplifying circuit 50 also loud on than the path, and win loud speaker 11 and second loud speaker are had as the general volume output of loudspeaker for 21 this moments in volume that first loud speaker 11 and second loud speaker 21 are played back; No matter the source of sound signal is voice or music, the output that can both let near the people of earphone hear source of sound.

Moreover; The first source of sound interface 30 and the second source of sound interface 40 were all the three-pole socket shown in Fig. 1 worked as here; Therefore should elect the three-pole plug as corresponding to the external sound source interface; Be designed to the four pole type socket if the first source of sound interface 30 and the second source of sound interface 40 change, then the external sound source interface should be elected the four pole type plug as, and the specification of plug and socket for example is present more common 3.5mm size here.

Fig. 2 A is the partial schematic diagram of present embodiment before preparing to be connected to headset mode; Fig. 2 B is the complete diagram that present embodiment has connected headset mode; Fig. 3 A is the partial schematic diagram of present embodiment before preparing to be connected to speaker model; Fig. 3 B is the complete diagram that present embodiment has connected speaker model.

At first shown in Fig. 2 B; First broadcast unit 10 of said earphone sees through a headband 60 with second broadcast unit 20 and is connected, and two end formation, one fork portion, 61 difference clamping first broadcast unit 10 and second broadcast units 20 of headband, and shown in Fig. 2 A, 2B; Under headset mode because this moment earphone must prestowage on user's head; Therefore first broadcast unit 10 and second broadcast unit 20 go out the sound face towards headband 60 inner edges, so just can fit on people's ear, the first source of sound interface 30 down at this moment;, opens external sound source interface 70 headset mode when plugging thus; With reference to figure 1, promptly the source of sound signal is divided into two paths by the first source of sound interface 30 and directly delivers to first loud speaker 11 and second loud speaker 21, respectively the ear output sound in earphone wearer's the left and right sides.

Moreover; Shown in Fig. 3 A, 3B, when wearer's desire is taken off earphone when converting speaker model into, turning first broadcast unit 10 goes out outside sound faces it; And make the second source of sound interface 70 that originally is blocked expose at fork portion 61 rears; Must plug for 70 external sound source interfaces, and open speaker model, with reference to figure 1; Be that the source of sound signal is divided into two paths and is carried out amplifying circuit 50 earlier to deal with by the second source of sound interface 40; After seeing through two differential amplifiers 51 and doing the processing of source of sound signal, deliver to respectively to first loud speaker 11 and second loud speaker 21 by two paths again, and the volume after here amplifying can be enough to supply near the earphone people to hear the output of sound.

At last, mandatory declaration here is that the aforementioned second source of sound interface 40 all is arranged on first broadcast unit 10; Just the first source of sound interface 30 and the second source of sound interface 40 are arranged on the diverse location on first broadcast unit 10 simultaneously; Promptly one is arranged on the below, and another is arranged on the position that side can be sheltered from by fork portion 61, yet; The above-mentioned second source of sound interface 40 also can be arranged on second broadcast unit 20, for example is arranged on the position that side can be sheltered from by fork portion 61.

Comprehensively above-mentioned; The said earphone that has the loudspeaker playing function concurrently of the utility model; Choose for the external sound source interface and plug by two source of sound interfaces are set, and the source of sound signal can be selected directly to be broadcast by two-loudspeaker, or see through two-loudspeaker again via an amplifying circuit earlier and broadcast; Thus, this earphone can by the user voluntarily selection operation and can enjoy voice or music in headset mode or speaker model by headset mode oneself, or share voice or music with other people by speaker model.

The above is merely illustrative, but not is restricted person.Anyly do not break away from the utility model spirit and category, and, all should be contained in the protection range of this patent its equivalent modifications of carrying out or change.

Claims

1. an earphone that has the loudspeaker playing function concurrently is characterized in that, includes:

First broadcast unit has first loud speaker to play sound;

Second broadcast unit has second loud speaker to play sound;

The first source of sound interface is arranged on this first broadcast unit, and is electrically connected at this first loud speaker and this second loud speaker; And

The second source of sound interface is arranged on this first broadcast unit or this second broadcast unit, and is electrically connected at this first loud speaker and this second loud speaker through an amplifying circuit.

2. have the earphone of loudspeaker playing function according to claim 1 concurrently, it is characterized in that: said amplifying circuit includes two differential amplifiers, and this two differential amplifier is electrically connected at this first loud speaker and this second loud speaker respectively.

3. have the earphone of loudspeaker playing function according to claim 1 concurrently, it is characterized in that: the said first source of sound interface is three-pole socket or four pole type socket.

4. have the earphone of loudspeaker playing function according to claim 1 concurrently, it is characterized in that: the said second source of sound interface is three-pole socket or four pole type socket.

5. like claim 3 or the 4 said earphones that have the loudspeaker playing function concurrently, it is characterized in that: said external sound source interface is three-pole plug or four pole type plug.

6. have the earphone of loudspeaker playing function according to claim 1 concurrently; It is characterized in that: see through a headband between said first broadcast unit and second broadcast unit and be connected, and two ends of this headband form a fork portion to distinguish this first broadcast unit of clamping and this second broadcast unit.

7. like the said earphone that has the loudspeaker playing function concurrently of claim 6, it is characterized in that: said earphone is in headset mode following time, this first broadcast unit and this second broadcast unit go out the sound face towards this headband inner edge.

8. like the said earphone that has the loudspeaker playing function concurrently of claim 7, it is characterized in that: wherein this earphone is in headset mode following time, and this second source of sound interface is sheltered from by this fork portion.

9. like the said earphone that has the loudspeaker playing function concurrently of claim 8; It is characterized in that: said earphone is in speaker model following time; This first broadcast unit and this second broadcast unit relatively should fork portion swing and make it go out outside sound faces, and the second source of sound interface exposed for this external sound source interface and combined this moment.