CN205071280U - Headset - Google Patents

Abstract

The utility model provides a headset, headset includes: headset connects, charging and discharging module, the ground connection node that charging and discharging module's one end and headset connect links to each other, preset a voltage testing who switches on when the sound channel node voltage equals zero when what headset connected, a voltage testing's one end with preset the sound channel node and link to each other, a voltage testing's the other end links to each other with charging and discharging module's the other end, when presetting the 2nd voltage testing who switches on when the sound channel node voltage is more than or equal to the presupposition voltage threshold value, the 2nd voltage testing's one end with preset the sound channel node and link to each other, the 2nd voltage testing's the other end links to each other with charging and discharging module's the other end. The utility model discloses when headset and playback devices accident separate that for example playback devices is stolen, can in time remind the user to make the user react rapidly, in time retrieve a loss, and need not additionally to charge, do not lose headset tone quality, simple structure, low cost.

Description

A kind of earphone

Technical field

The utility model relates to technical field of electronic equipment, particularly relates to a kind of earphone.

Background technology

Day by day universal along with playback equipments such as mobile phones, increasing people uses the playback equipments such as mobile phone to listen to the music or listens to the radio.Earphone, when using playback equipment to listen to the music or listen to the radio, is often inserted the earphone interface of playback equipment and puts on earphone, then being placed in bag or in pocket by playback equipment by people.In this case be easy to the stolen situation of playback equipment occurs.Such as listen to the music when user goes window-shopping or when user listen to the music sleeping time, often discover and be separated with earphone less than playback equipment, when therefore playback equipment is easy to be stolen, user but knows nothing.

In correlation technique, propose a kind of bluetooth earphone to solve the problem.But it is good not that the bluetooth earphone in correlation technique but also exists tonequality, need additional charge to use, connect the number of drawbacks such as inconvenience and easy power consumption.

Utility model content

In view of the above problems, the object of the utility model embodiment is to provide a kind of earphone, listens to the music at use earphone to solve user, when playback equipment is stolen, and the problem that user knows nothing.

In order to solve the problem, the utility model embodiment discloses a kind of earphone, comprising: Earphone joint; Charge-discharge modules, one end of described charge-discharge modules is connected with the ground nodes of Earphone joint; First voltage detection module of the conducting when the default sound channel node voltage of Earphone joint equals zero, one end of described first voltage detection module is connected with described default sound channel node, and the other end of described first voltage detection module is connected with the other end of described charge-discharge modules; Second voltage detection module of the conducting when described default sound channel node voltage is more than or equal to predetermined voltage threshold, one end of described second voltage detection module is connected with described default sound channel node, and the other end of described second voltage detection module is connected with the other end of described charge-discharge modules.

The utility model embodiment comprises following advantage: in earphone, increase charge-discharge modules, the first voltage detection module and the second voltage detection module, when default sound channel node voltage is more than or equal to predetermined voltage threshold, namely when earphone inserts playback equipment, second voltage detection module conducting, playback equipment charges to charge-discharge modules, when the default sound channel node voltage of Earphone joint equals zero, namely when earphone is pulled up from playback equipment, first voltage detection module conducting, charge-discharge modules discharges, to make earphone playing alert tones.The utility model embodiment is when such as playback equipment is stolen for earphone and playback equipment accidental separation, can reminding user in time, in earphone, such as send the prompt tone etc. of larger volume, react rapidly to make user, thus retrieve economic losses in time, and without the need to additionally charging, do not lose earphone tonequality, structure is simple, with low cost.

Accompanying drawing explanation

Fig. 1 is the structured flowchart of a kind of earphone embodiment of the present utility model;

Fig. 2 is the structural representation of a kind of earphone specific embodiment of the present utility model.

Embodiment

For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with the drawings and specific embodiments.

With reference to Fig. 1, show the structured flowchart of a kind of earphone embodiment of the present utility model, specifically can comprise as lower module: Earphone joint 1, charge-discharge modules 2, first voltage detection module 3 and the second voltage detection module 4.Wherein, one end of charge-discharge modules 2 is connected with the ground nodes 11 of Earphone joint 1, ground nodes 11 ground connection of Earphone joint 1.One end of first voltage detection module 3 is connected with default sound channel node 10, the other end of the first voltage detection module 3 is connected with the other end of charge-discharge modules 2, when the default sound channel node voltage of Earphone joint equals zero, the first voltage detection module 3 conducting, charge-discharge modules 2 discharges.One end of second voltage detection module 4 is connected with default sound channel node 10, the other end of the second voltage detection module 4 is connected with the other end of charge-discharge modules 2, when default sound channel node voltage is more than or equal to predetermined voltage threshold, second voltage detection module 4 conducting, playback equipment charges to charge-discharge modules 2.

It should be noted that, when the default sound channel node voltage of Earphone joint 1 is more than or equal to predetermined voltage threshold, illustrate that earphone inserts playback equipment, namely Earphone joint 1 inserts the earphone interface of playback equipment, and playback equipment can pass through earphone transmission acoustic information; And when default sound channel node voltage equals zero, illustrate that playback equipment extracted by earphone, namely Earphone joint 1 is separated with the earphone interface of playback equipment, and playback equipment is no longer by earphone transmission acoustic information.Wherein, when charge-discharge modules 2 discharges, earphone can send default voice of harsh noise or larger volume etc. as prompt tone.

Particularly, playback equipment can be mobile phone, MP3 (a kind of player of energy playing music), MP4 (a kind of Multifunctional player integrating audio frequency, video, picture browsing, e-book, broadcast receiver etc.), MP5 (MP4 that can watch TV), panel computer or personal digital assistant etc., and the utility model is not construed as limiting this.

The utility model embodiment by increasing charge-discharge modules, the first voltage detection module and the second voltage detection module in earphone, thus when such as playback equipment is stolen for earphone and playback equipment accidental separation, earphone is made to send prompt tone with timely reminding user, to make user react rapidly, thus retrieve economic losses in time.

Particularly, with reference to Fig. 2, in an embodiment of the present utility model, presetting sound channel node 10 can be L channel node 12 or R channel node 13.Charge-discharge modules 2 can be electric capacity C or inductance etc., and the utility model is not construed as limiting this.

Particularly, with reference to Fig. 2, in an embodiment of the present utility model, first voltage detection module 3 can be the first diode D1, second voltage detection module 4 can be the second diode D2, first diode D1 and the second diode D2 can be identical or different, and now, predetermined voltage threshold can be the conducting voltage of the second diode D2.Particularly, in another embodiment of the present utility model, first voltage detection module 3 can be the first voltage comparator, second voltage detection module 4 can be the second voltage comparator, first voltage comparator and the second voltage comparator can be identical or different, now, predetermined voltage threshold can be the reference voltage of the second voltage comparator.

Particularly, in an embodiment of the present utility model, earphone can also comprise cue output module, cue output module exports when charge-discharge modules 2 discharges presets cue, cue output module is connected with the other end of charge-discharge modules 2 with default sound channel node 10 respectively, thus earphone can send default voice according to cue.Particularly, cue output module can be speech chip etc., and the utility model is not construed as limiting this.

Wherein, in an embodiment of the present utility model, when earphone comprises cue output module, earphone can also comprise resistance device, and resistance device is connected with the other end of charge-discharge modules 2 with the other end of the first voltage detection module 3 respectively.Resistance device can be resistance.

As shown in Figure 2, earphone, except comprising Earphone joint 1, charge-discharge modules 2, first voltage detection module 3, second voltage detection module 4, also comprises left channel loudspeaker 5, right channel loudspeaker 6, answers button 7 and microphone 8.Wherein, charge-discharge modules 2 is electric capacity C.First voltage detection module 3 is the first diode D1.Second voltage detection module 4 is the second diode D2.Left channel loudspeaker 5 is connected with ground nodes 11 with the L channel node 12 of Earphone joint 1 respectively.Right channel loudspeaker 6 is connected with ground nodes 11 with the R channel node 13 of Earphone joint 1 respectively.Answer button 7 to be connected with ground nodes 11 with the node 14 of answering of Earphone joint 1 respectively.Microphone 8 is connected with ground nodes 11 with the node 14 of answering of Earphone joint 1 respectively.

The course of work that this earphone prevents playback equipment stolen is as follows:

After this earphone is inserted playback equipment by user, when using this earphone to listen to the music, L channel node 12 voltage is more than or equal to the predetermined voltage threshold i.e. conducting voltage of the second diode D2, second diode D2 conducting, the non-conducting of first diode D1, charge to electric capacity C automatically in the loop that playback equipment is formed by Earphone joint 1, second diode D2 and electric capacity C, earphone does not send prompt tone.When playback equipment surprisingly extracted by earphone, such as, when having people steal playback equipment and extract earphone, L channel node 12 voltage equals zero, electric capacity C externally discharges, first diode D1 conducting, second diode D2 ends, and earphone sends ear-piercing noise as prompt tone at once, is separated with playback equipment to realize reminding user earphone.

Be understood that, when user does not need to use playback equipment to listen to the music, user first can take off earplug, then pulls up Earphone joint 1 from playback equipment, and earphone can be avoided to send the impact of prompt tone on user.

The earphone of the utility model embodiment, comprise following advantage: in earphone, increase charge-discharge modules such as electric capacity or inductance, first voltage detection module such as the first diode and the second voltage detection module such as the second diode, when default sound channel node voltage is more than or equal to predetermined voltage threshold, namely when earphone inserts playback equipment, second voltage detection module conducting, playback equipment charges to charge-discharge modules, when the default sound channel node voltage of Earphone joint equals zero, namely when earphone is pulled up from playback equipment, first voltage detection module conducting, charge-discharge modules discharges, to make earphone playing alert tones, the default voice etc. of such as ear-piercing noise or larger volume.Thus when such as playback equipment is stolen for earphone and playback equipment accidental separation, can reminding user in time, to make user react rapidly, retrieve economic losses in time, and without the need to additionally charging, do not lose earphone tonequality, structure is simple, with low cost.

Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.

Although described the preferred embodiment of the utility model embodiment, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope of embodiments.

Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or terminal equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or terminal equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the terminal equipment comprising described key element and also there is other identical element.

Above to a kind of earphone provided by the utility model, be described in detail, apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims (7)

1. an earphone, is characterized in that, comprising:

Earphone joint;

Charge-discharge modules, one end of described charge-discharge modules is connected with the ground nodes of Earphone joint;

First voltage detection module of the conducting when the default sound channel node voltage of Earphone joint equals zero, one end of described first voltage detection module is connected with described default sound channel node, and the other end of described first voltage detection module is connected with the other end of described charge-discharge modules;

Second voltage detection module of the conducting when described default sound channel node voltage is more than or equal to predetermined voltage threshold, one end of described second voltage detection module is connected with described default sound channel node, and the other end of described second voltage detection module is connected with the other end of described charge-discharge modules.

2. earphone according to claim 1, is characterized in that, described default sound channel node is L channel node or R channel node.

3. earphone according to claim 1, is characterized in that, described first voltage detection module is the first diode, and described second voltage detection module is the second diode.

4. earphone according to claim 1, is characterized in that, described first voltage detection module is the first voltage comparator, and described second voltage detection module is the second voltage comparator.

5. earphone according to claim 1, is characterized in that, described charge-discharge modules is electric capacity or inductance.

6. earphone according to claim 1, is characterized in that, also comprises:

Export the cue output module presetting cue when described charge-discharge modules discharges, described cue output module is connected with the other end of described charge-discharge modules with described default sound channel node respectively.

7. earphone according to claim 6, is characterized in that, also comprises:

Resistance device, described resistance device is connected with the other end of described charge-discharge modules with the other end of described first voltage detection module respectively.