CN201758441U - Safety protection type passive noise-cancelling earphone - Google Patents
Safety protection type passive noise-cancelling earphone Download PDFInfo
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- CN201758441U CN201758441U CN2010205055879U CN201020505587U CN201758441U CN 201758441 U CN201758441 U CN 201758441U CN 2010205055879 U CN2010205055879 U CN 2010205055879U CN 201020505587 U CN201020505587 U CN 201020505587U CN 201758441 U CN201758441 U CN 201758441U
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- passive noise
- headband
- audio signal
- safety protective
- noise cancelling
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Abstract
The utility model relates to the earphone technology field, in particular to a safety protection type passive noise-cancelling earphone, comprising a horn, a headband, two ear casings, a first sponge piece, a voice disk, a sealing ring, an ear muff and a second sponge piece. The headband, which is provided with a rack, is connected with the two ear casings via the rack. The voice disk used to fix the horn and the ear muff is provided with a voice hole. The ear casings are connected with an inner side surface of the voice disk. The sealing ring is arranged at the part where the ear casings and the inner side surface of the voice disk are connected. The horn is disposed at the inner side surface of the voice disk, an outer side surface of which is connected with the ear muff. The first sponge piece is arranged in the ear casings, and the second sponge piece is disposed at the outer side surface of the voice disk and covers the voice hole. One of the ear casings is provided with an audio signal female seat. The safety protection type passive noise-cancelling earphone of the utility model enables to effectively isolate the noise in an environment with loud noise so as to protect a user's hearing, and meanwhile can receives audio signals from an interphone, a mobile phone, an MP3, a radio station or other communication equipments in a noisy environment.
Description
Technical field
The utility model relates to the earphone technical field, relates in particular to the passive noise cancelling headphone of a kind of safety protective.
Background technology
Along with the continuous development of science and technology, the earphone product moves to maturity so far gradually from invention.Divide from use, earphone generally is divided into security protection series and received audio signal series; Security protection series realizes by noise reduction technology that generally wherein active noise reduction technology production cost is higher, the received audio signal function and passive noise cancelling headphone has been left in the basket usually.
In the prior art, adopt the active noise reduction mode reduce the earphone external noise as, Granted publication number for the Chinese utility model patent of " CN 201054780Y " for disclosing a kind of automatic noise cancelling headphone, comprise the sound collector A/D conversion module that is used to gather extraneous background noise, adder, the D/A conversion module, the audio terminal player; Described sound collector places on the line of the outer jointing holes of earphone, the output of sound collector inserts a signal input part of adder through the A/D conversion module, the signal of telecommunication of system's output playback inserts another signal input part of adder, the output of adder inserts audio terminal player the utility model in various noise background environments through the D/A conversion module, can reach purpose effective, active noise reduction.This earphone that can active noise reduction all is to reach the purpose of active noise reduction by circuit being carried out particular design, has increased the complexity of circuit, makes cost higher.
In addition, existing passive noise cancelling headphone (also being called earmuff) generally has only the function that reduces noise, does not possess the function of communication or received audio signal, and function ratio is more single.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, provides a kind of safety protective passive noise cancelling headphone, can effectively reduce the cost of earphone.
For achieving the above object, the utility model is achieved through the following technical solutions: the passive noise cancelling headphone of a kind of safety protective, it comprises loudspeaker, headband and two auricular conchas, described headband is provided with support, headband is connected with two auricular conchas by support, also comprise first sponge sheet, the pronunciation dish, sealing ring, the ear muff and second sponge sheet, described pronunciation dish is used for fixing loudspeaker and ear muff, described pronunciation dish offers sound hole, described auricular concha is connected with pronunciation dish medial surface, the junction of auricular concha and pronunciation dish medial surface is provided with described sealing ring, loudspeaker are arranged at pronunciation dish medial surface, and described pronunciation dish lateral surface is connected with ear muff, and described first sponge sheet is arranged in the auricular concha, described second sponge sheet is attached at pronunciation dish lateral surface, and second sponge sheet covers described sound hole; One of them auricular concha is provided with the audio signal female seat.
Described pronunciation dish medial surface is positioned at the sound hole relevant position and offers the loudspeaker mounting groove, and described loudspeaker are embedded at the loudspeaker mounting groove.
Described auricular concha is provided with the contact pin buckle closure in the relevant position of audio signal female seat.
Also comprise the audio signal connecting line that is used to connect external sound source, the audio signal connecting line inserts described audio signal female seat.
Described audio signal connecting line can be provided with microphone.
The two ends of described headband also are provided with the headband buckle closure, and described support passes the headband buckle closure.
Also comprise support arm, described auricular concha and support arm are hinged, and auricular concha and support arm hinged place are provided with the support arm plug, and described support inserts described support arm.
Described auricular concha was provided with the line cover.
Described headband is provided with headgear.
The utility model beneficial effect is: the passive noise cancelling headphone of a kind of safety protective described in the utility model, it comprises loudspeaker, headband and two auricular conchas, described headband is provided with support, headband is connected with two auricular conchas by support, also comprise first sponge sheet, the pronunciation dish, sealing ring, the ear muff and second sponge sheet, described pronunciation dish is used for fixing loudspeaker and ear muff, described pronunciation dish offers sound hole, described auricular concha is connected with pronunciation dish medial surface, the junction of auricular concha and pronunciation dish medial surface is provided with described sealing ring, loudspeaker are arranged at pronunciation dish medial surface, described pronunciation dish lateral surface is connected with ear muff, described first sponge sheet is arranged in the auricular concha, and described second sponge sheet is attached at pronunciation dish lateral surface, and second sponge sheet covers described sound hole; One of them auricular concha is provided with the audio signal female seat.Adopt the earphone of said structure, its audio signal is transmitted by the audio signal female seat, after wearing earphone, because of forming airtight space between unique accurate auricular concha external form and cavity design and ear muff and pronunciation dish and the ear through precision calculating, its sealing ring, ear muff, the first sponge sheet, auricular concha can effectively intercept external noise, thereby play the effect that reduces noise, this ear-phone function of realizing passive noise reduction by structural improvement, need not to change the design of circuit, can effectively reduce the cost of earphone.When the passive noise cancelling headphone of the described a kind of safety protective of this utility model only effectively completely cuts off the purposes of ambient noise as listening protection, only need to realize this function by clogging the audio signal female seat.In addition, the passive noise cancelling headphone of a kind of safety protective described in the utility model also comprises the audio signal connecting line that is used to connect external sound source, the audio signal connecting line can be provided with microphone, behind audio signal connecting line access mobile phone or intercom, use microphone just can carry out communication, make that the function of earphone is more diversified.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a decomposition texture schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Embodiment one, as depicted in figs. 1 and 2, the passive noise cancelling headphone of a kind of safety protective, it comprises loudspeaker 8, headband 1 and two auricular conchas 2, described headband 1 is provided with support 3, headband 1 is connected with two auricular conchas 2 by support 3, also comprise first sponge sheet 91, pronunciation dish 4, sealing ring 41, the ear muff 5 and second sponge sheet 90, described pronunciation dish 4 is used for fixing loudspeaker 8 and ear muff 5, described pronunciation dish 4 offers sound hole, described auricular concha 2 coils 4 medial surfaces with pronunciation and is connected, and auricular concha 2 is provided with described sealing ring 41 with the junction that 4 medial surfaces are coiled in pronunciation, and loudspeaker 8 are arranged at pronunciation and coil 4 medial surfaces, described pronunciation is coiled 4 lateral surfaces and is connected with ear muff 5, described first sponge sheet 91 is arranged in the auricular concha 2, and described second sponge sheet 90 is attached at pronunciation and coils 4 lateral surfaces, and second sponge sheet 90 covers described sound hole; One of them auricular concha 2 is provided with audio signal female seat 6, its audio signal is transmitted by audio signal female seat 6, during use, after wearing earphone, form airtight space between ear muff 5 and pronunciation dish 4 and the ear, its sealing ring 41 plays the effect of sound insulaton and leakproof sound, its first sponge sheet 91 plays the effect of two-way absorption and filtering noise, be in relatively quietly environment in the cavity of guarantee auricular concha 2, second sponge sheet 90 plays dustproof, comfortable wearing, guarantee the effect that loudspeaker 8 sound pass through smoothly, this structure can effectively intercept external noise, thereby plays the effect that reduces noise.Thisly realize the ear-phone function of passive noise reduction need not to increase the design of circuit, can effectively reduce the cost of earphone by structural improvement.When the passive noise cancelling headphone of the described a kind of safety protective of this utility model only effectively completely cuts off the purposes of ambient noise as listening protection, only need to realize this function by clogging audio signal female seat 6.Wherein, the material of auricular concha 2 and pronunciation dish 4 is ABS, and the material of ear muff 5 is the combination of PVC, PU, artificial leather, TPU and sponge.
As preferred embodiment, described pronunciation is coiled 4 medial surfaces and is positioned at the sound hole relevant position and offers loudspeaker mounting groove 40, described loudspeaker 8 are embedded at loudspeaker mounting groove 40, and loudspeaker 8 cooperate the structure of pronunciation dishes 4 to pronounce, and sound is through propagating the laggard ear of going in 4 vibrations of pronunciation dish and the sound hole.
As preferred embodiment; audio signal female seat 6 is connected with audio signal connecting line 7; audio signal connecting line 7 is used to connect external sound source; in the present embodiment; the external sound source that audio signal connecting line 7 connected can be computer, player, intercom, mobile phone etc.; the user can answer music or realize communication function, thereby play the hearing protection effect by wearing earphone when reducing external noise.
As preferred embodiment, described auricular concha 2 is provided with contact pin buckle closure 60 in the relevant position of audio signal female seat 6.When not using earphone, contact pin buckle closure 60 covers the interface of audio signal female seat 6, plays protection against the tide, dustproof effect.
As preferred embodiment, the two ends of described headband 1 also are provided with headband buckle closure 10, and described support 3 passes headband buckle closure 10, and buckle closure plays fastening effect.Further, the passive noise cancelling headphone of a kind of safety protective described in the utility model also comprises support arm 20, auricular concha 2 is hinged with support arm 20, auricular concha 2 is provided with the support arm plug with support arm 20 hinged places, described support 3 inserts described support arm 20, this articulated structure can be convenient to regulate the angle of wearing of earphone, helps improving the comfort of wearing.Further, described auricular concha 2 was provided with line cover 21, crossed line cover 21 and was used for fixing the holding wire that is connected between loudspeaker 8 and the circuit board.
As preferred embodiment, described audio signal connecting line 7 optional setting are equipped with microphone.Wherein, the joint that audio signal connecting line 7 is used to connect external sound source also can adopt different joint forms, for example can adopt the joint that is connected with mobile phone, the perhaps joint that is connected with intercom, when being connected with mobile phone or intercom, the user then can use microphone to carry out communication, makes the passive noise cancelling headphone of a kind of safety protective described in the utility model can listen to sound, can cooperate intercom, mobile phone to carry out communication again, function is more diversified.
In sum; the passive noise cancelling headphone of a kind of safety protective described in the utility model has passive noise reduction concurrently, answers music, the communication function; both can in noisy loud environment, effectively reduce or isolated external noise; protection user hearing; also can satisfy the audio signal that in this environment, receives intercom, mobile phone, MP3, radio station or other communication apparatus; cooperate intercom, mobile phone to carry out communication; because of having the effect of effective reduction or isolated external noise, also can be used for promoting sleep quality simultaneously.The passive noise cancelling headphone of a kind of safety protective described in the utility model can be widely used in places such as army, public security, shooting range, cycling track, steel plant, mine, architectural engineering.The utility model has effectively been filled up the blank of passive noise reduction technology application.
Embodiment two, as depicted in figs. 1 and 2, be with the difference of embodiment one, the passive noise cancelling headphone of present embodiment two described a kind of safety protectives, its headband 1 is provided with headgear 11, and described headgear 11 can block the bottom of headband 1, not only plays effect attractive in appearance, also can increase the comfort of wearing, play the comfortable effect of head when allowing the user wear.Its operation principle is identical in embodiment one with function, no longer is repeated in this description at this.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (9)
1. passive noise cancelling headphone of safety protective, it comprises loudspeaker (8), headband (1) and two auricular conchas (2), described headband (1) is provided with support (3), headband (1) is connected with two auricular conchas (2) by support (3), it is characterized in that: also comprise first sponge sheet (91), pronunciation dish (4), sealing ring (41), ear muff (5) and second sponge sheet (90), described pronunciation dish (4) is used for fixing loudspeaker (8) and ear muff (5), described pronunciation dish (4) offers sound hole, described auricular concha (2) is connected with pronunciation dish (4) medial surface, auricular concha (2) is provided with described sealing ring (41) with the junction of pronunciation dish (4) medial surface, loudspeaker (8) are arranged at pronunciation dish (4) medial surface, described pronunciation dish (4) lateral surface is connected with ear muff (5), described first sponge sheet (91) is arranged in the auricular concha (2), described second sponge sheet (90) is attached at pronunciation dish (4) lateral surface, and second sponge sheet (90)) cover described sound hole; One of them auricular concha (2) is provided with audio signal female seat (6).
2. the passive noise cancelling headphone of a kind of safety protective according to claim 1 is characterized in that: described pronunciation dish (4) medial surface is positioned at the sound hole relevant position and offers loudspeaker mounting groove (40), and described loudspeaker (8) are embedded at loudspeaker mounting groove (40).
3. the passive noise cancelling headphone of a kind of safety protective according to claim 1 is characterized in that: described auricular concha (2) is provided with contact pin buckle closure (60) in the relevant position of audio signal female seat (6).
4. the passive noise cancelling headphone of a kind of safety protective according to claim 1 is characterized in that: also comprise the audio signal connecting line (7) that is used to connect external sound source, audio signal connecting line (7) inserts described audio signal female seat (6).
5. the passive noise cancelling headphone of a kind of safety protective according to claim 1 is characterized in that: described audio signal connecting line (7) can be provided with microphone.
6. the passive noise cancelling headphone of a kind of safety protective according to claim 1 is characterized in that: the two ends of described headband (1) also are provided with headband buckle closure (10), and described support (3) passes headband buckle closure (10).
7. the passive noise cancelling headphone of a kind of safety protective according to claim 1, it is characterized in that: also comprise support arm (20), described auricular concha (2) is hinged with support arm (20), auricular concha (2) is provided with the support arm plug with support arm (20) hinged place, and described support (3) inserts described support arm (20).
8. the passive noise cancelling headphone of a kind of safety protective according to claim 1 is characterized in that: described auricular concha (2) was provided with line cover (21).
9. according to the passive noise cancelling headphone of each described a kind of safety protective of claim 1 to 8, it is characterized in that: described headband (1) is provided with headgear (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205055879U CN201758441U (en) | 2010-08-26 | 2010-08-26 | Safety protection type passive noise-cancelling earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205055879U CN201758441U (en) | 2010-08-26 | 2010-08-26 | Safety protection type passive noise-cancelling earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201758441U true CN201758441U (en) | 2011-03-09 |
Family
ID=43645729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205055879U Expired - Lifetime CN201758441U (en) | 2010-08-26 | 2010-08-26 | Safety protection type passive noise-cancelling earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201758441U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107209069A (en) * | 2015-02-03 | 2017-09-26 | 3M创新有限公司 | The headband that comfort level for hearing protectors is improved |
| CN107484057A (en) * | 2017-09-23 | 2017-12-15 | 武汉名广科技有限公司 | A kind of headphone used on computer equipment |
| CN110351622A (en) * | 2019-05-29 | 2019-10-18 | 曾秀英 | A kind of audio connector with mute function |
-
2010
- 2010-08-26 CN CN2010205055879U patent/CN201758441U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107209069A (en) * | 2015-02-03 | 2017-09-26 | 3M创新有限公司 | The headband that comfort level for hearing protectors is improved |
| CN107484057A (en) * | 2017-09-23 | 2017-12-15 | 武汉名广科技有限公司 | A kind of headphone used on computer equipment |
| CN110351622A (en) * | 2019-05-29 | 2019-10-18 | 曾秀英 | A kind of audio connector with mute function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 523000 Guangdong city of Dongguan province Chashan millet Bian Cun Wei Xing Lu Patentee after: DONGGUAN KUSEN ELECTRONICS TECHNOLOGY CO., LTD. Address before: 523770 Guangdong province Dongguan city Dalang town Fumin Road, No. 16 South Dongguan Ruichang plastic foam Co. Ltd. Patentee before: Dongguan Waychance Manufacutre Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110309 |