CN207117886U - A kind of sound insulation and noise reduction earphone - Google Patents
A kind of sound insulation and noise reduction earphone Download PDFInfo
- Publication number
- CN207117886U CN207117886U CN201720822395.2U CN201720822395U CN207117886U CN 207117886 U CN207117886 U CN 207117886U CN 201720822395 U CN201720822395 U CN 201720822395U CN 207117886 U CN207117886 U CN 207117886U
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- CN
- China
- Prior art keywords
- noise reduction
- sound insulation
- earphone
- fore shell
- noise
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- 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.)
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Abstract
The utility model discloses a kind of sound insulation and noise reduction earphone, including earplug head, the earplug head is arranged on fore shell, and fore shell is provided with sealing ring with rear shell junction, vibrating diaphragm is installed on the fore shell, the rear shell goes back spongy layer with being provided with fore shell, and microphone is provided with rear shell, the microphone is connected with acoustic digital signal process device by lead, and noise reduction unit is provided with acoustic digital signal process device, the afterbody of rear shell sets a microphone towards external environment condition to absorb the positive noise of environment, it is then transferred to acoustic digital signal process device, noise reduction unit processing is negative noise, positive cancel with noise with entering ear out of earphone and duct gap, effectively play the effect of noise reduction, improve tonequality.The sound insulation and noise reduction earphone causes earphone expensive by the diaphragm materials price height solved the problems, such as vibrating diaphragm using other materials replacement and using the means of sound insulation and noise reduction on earphone and conventional earphone can not filter external noise and disturb.
Description
Technical field
Ear phone technology field is the utility model is related to, specially a kind of sound insulation and noise reduction earphone.
Background technology
Earphone is the electronic product accessory commonly used in our daily lifes, more and more with the development of new technology
Consumer while commodity price is concerned about, more focus on the requirement to quality and function.Vibrating diaphragm is a weight in earphone
Parts are formed, there is vital effect for performances such as the tonequality of earphone, its cost also determines to a certain extent
The prices of the price earphone products of final earphone products, in the prior art, vibrating diaphragm be usually pure beryllium by being plated on base material or
Made of person's beryllium alloy, because beryllium is a kind of rarer element, thus the cost of vibrating diaphragm is higher so as to causing high-quality ear
The price of machine product is higher, in addition, interference of traditional earphone due to external noise can not be filtered, so, have some environment
Gap of the positive noise between duct and earphone in enter in duct, can not meet the high demand of consumer, and environment
Noise be also possible to can to the hearing of people and it is physically and mentally healthy produce the rapid development for injuring modernization industry society bring for people it is easypro
While suitable convenient life, some negative products are also brought, noise, has become and destroys people's work and living environment quality
One of pollution sources, noise can seriously endanger the auditory system of people, make one tired, deaf, Noise measarement is always national governments
With the major issue of scientific worker's research, a kind of good and light noise cancelling headphone of decrease of noise functions how is designed, is become existing
Technology needs the major issue solved.
The content of the invention
The purpose of this utility model is to provide a kind of sound insulation and noise reduction earphone, to solve the ear proposed in above-mentioned background technology
The problem of diaphragm materials price height on machine causes earphone expensive and conventional earphone can not filter external noise interference.
To achieve the above object, the utility model provides following technical scheme：A kind of sound insulation and noise reduction earphone, including earplug
Head, the earplug head are arranged on fore shell, and fore shell is provided with sealing ring with rear shell junction, is provided with and shakes on the fore shell
Film, the rear shell goes back spongy layer with being provided with fore shell, and microphone is provided with rear shell, and the microphone is believed with sound figure
Number processor is connected by lead, and noise reduction unit is provided with acoustic digital signal process device.
Preferably, the earplug head uses acoustic insulating ear plug, and earplug head material is low-pressure foam material or high resiliency polyester
Material.
Preferably, the fore shell is shaped as tubaeform tapered mouth, and vibrating diaphragm is arranged on tubaeform tapered mouth centre position.
Preferably, the fore shell is fitted with a layer graphene foam, and fore shell and rear shell joint place with rear shell inner surface
Surfacing.
Preferably, the vibrating diaphragm includes vibrating diaphragm body and metal level, and the metal level is formed at by way of evaporation to shake
Membrane body surface, and metal level is palladium or palldium alloy, vibrating diaphragm body is macromolecule material film.
Preferably, the microphone is arranged on rear shell afterbody, and microphone receiving port is towards external environment condition.
Preferably, the noise reduction unit predetermined value is 80 decibels, and noise reduction unit will drop more than the voice signal of predetermined value
It is low to arrive 40-50 decibels.
Compared with prior art, the beneficial effects of the utility model are：Vibrating diaphragm by being used it by the sound insulation and noise reduction earphone
His material replace and cause earphone expensive using the diaphragm materials price height that solves on earphone of means of sound insulation and noise reduction and
Conventional earphone can not filter the problem of external noise interference.The sound insulation and noise reduction earphone sets a direction by the afterbody in rear shell
The microphone of external environment condition absorbs the positive noise of environment, is then transferred to acoustic digital signal process device, noise reduction unit processing
To bear noise, the positive cancel with noise with entering ear out of earphone and duct gap, the effect of noise reduction is effectively played, is improved
Tonequality, vibrating diaphragm include the metal level of vibrating diaphragm body and evaporation thereon, and metal level is palladium or palldium alloy, reduce vibrating diaphragm
Cost and it can ensure that the High-performance graphene foams of earphone products is put down with fore shell and the surfacing of rear shell joint place, joint place
It is whole to ensure that grapheme foam is preferably bonded with the inner surface of shell, it ensure that sealing, make use of using grapheme foam material
The sound absorption qualities of material, earphone and extraneous sound insulation value are ensure that, completely cut off external noise, coordinate active noise reduction unit more preferable
The noise reduction grapheme material light weight of earphone is ensure that, earphone total quality can be effectively reduced.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model diaphragm structure schematic diagram.
In figure：1st, earplug head, 2, fore shell, 3, rear shell, 4, sealing ring, 5, vibrating diaphragm, 501, vibrating diaphragm body, 502, metal level,
6th, spongy layer, 7, microphone, 8, acoustic digital signal process device, 9, lead, 10, noise reduction unit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of sound insulation and noise reduction earphone, including earplug it is first 1,
Fore shell 2, rear shell 3, sealing ring 4, vibrating diaphragm 5, spongy layer 6, microphone 7, acoustic digital signal process device 8, lead 9 and noise reduction unit
10, earplug first 1 is arranged on fore shell 2, and earplug first 1 uses acoustic insulating ear plug, and first 1 material of earplug is low-pressure foam material or high-elastic
Property polyester material, soundproof effect is good, and fore shell 2 and the junction of rear shell 3 are provided with sealing ring 4, and fore shell 2 and the inner surface of rear shell 3 are equal
A layer graphene foam, and fore shell 2 and the joint place surfacing of rear shell 3 are fitted with, is advantageous to soundproof effect, is installed on fore shell 2
There is vibrating diaphragm 5, fore shell 2 is shaped as tubaeform tapered mouth, and vibrating diaphragm 5 is arranged on tubaeform tapered mouth centre position, and vibrating diaphragm 5 includes
Vibrating diaphragm body 501 and metal level 502, metal level 502 are formed at the surface of vibrating diaphragm body 501, and metal level by way of evaporation
502 be palladium or palldium alloy, and vibrating diaphragm body 501 is macromolecule material film, cost-effective, is advantageous to control earphone cost, rear shell 3
Spongy layer 6 is gone back with being provided with fore shell 2, and microphone 7 is provided with rear shell 3, microphone 7 is arranged on the afterbody of rear shell 3, and Mike
The receiving port of wind 7 is advantageous to offset external noise and reaches noise reduction towards external environment condition, microphone 7 with audio digital signal
Reason device 8 is connected by lead 9, and noise reduction unit 10 is provided with acoustic digital signal process device 8, and the predetermined value of noise reduction unit 10 is
80 decibels, and the voice signal more than predetermined value is reduced to 40-50 decibels by noise reduction unit 10, is advantageous to sound insulation and noise reduction effect most
Bigization.
Operation principle：When using the sound insulation and noise reduction earphone, the sound insulation and noise reduction earphone is first by the microphone 6 of noise reduction unit 10
Exceed the noise of predetermined value in the environment that can hear of detecting ear, noise reduction unit 10 is by lower noise 40-50 decibels, the He of fore shell 2
The inner surface of rear shell 3, which is fitted with grapheme foam, has a soundproof effect, and sealing ring 4 can making an uproar fore shell 2 and the junction of rear shell 3
Sound carries out noise reduction process, and the sponge 6 inside fore shell 2 and rear shell 3 also plays the effect of noise reduction, and earplug first 1 uses acoustic insulating ear plug,
The positive noise that microphone 7 absorbs environment sends acoustic digital signal process device 8 to, and positive noise is converted into negative make an uproar by noise reduction unit 10
Sound is also passed to earphone, the positive cancel with noise with entering ear from gap, serves the effect of effective noise reduction, here it is sound insulation
The use process of noise cancelling headphone.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
Within the scope of protection of the utility model.
Claims (7)
1. a kind of sound insulation and noise reduction earphone, including earplug head（1）, it is characterised in that：The earplug head（1）Installed in fore shell（2）On,
And fore shell（2）With rear shell（3）Junction is provided with sealing ring（4）, the fore shell（2）On vibrating diaphragm is installed（5）, the rear shell
（3）With fore shell（2）Interior be provided with goes back spongy layer（6）, and rear shell（3）Inside it is provided with microphone（7）, the microphone（7）With sound
Sound digital signal processor（8）Pass through lead（9）Connection, and acoustic digital signal process device（8）It is upper to be provided with noise reduction unit
（10）.
A kind of 2. sound insulation and noise reduction earphone according to claim 1, it is characterised in that：The earplug head（1）Using sound insulation ear
Plug, and earplug head（1）Material is low-pressure foam material or high resiliency polyester material.
A kind of 3. sound insulation and noise reduction earphone according to claim 1, it is characterised in that：The fore shell（2）Be shaped as loudspeaker
The tapered mouth of shape, and vibrating diaphragm（5）Installed in tubaeform tapered mouth centre position.
A kind of 4. sound insulation and noise reduction earphone according to claim 1, it is characterised in that：The fore shell（2）With rear shell（3）Interior table
Face is fitted with a layer graphene foam, and fore shell（2）With rear shell（3）Joint place surfacing.
A kind of 5. sound insulation and noise reduction earphone according to claim 1, it is characterised in that：The vibrating diaphragm（5）Including vibrating diaphragm body
（501）And metal level（502）, the metal level（502）Vibrating diaphragm body is formed at by way of evaporation（501）Surface, and gold
Belong to layer（502）For palladium or palldium alloy, vibrating diaphragm body（501）For macromolecule material film.
A kind of 6. sound insulation and noise reduction earphone according to claim 1, it is characterised in that：The microphone（7）It is arranged on rear shell
（3）Afterbody, and microphone（7）Receiving port is towards external environment condition.
A kind of 7. sound insulation and noise reduction earphone according to claim 1, it is characterised in that：The noise reduction unit（10）Predetermined value is
80 decibels, and noise reduction unit（10）Voice signal more than predetermined value is reduced to 40-50 decibels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822395.2U CN207117886U (en) | 2017-07-10 | 2017-07-10 | A kind of sound insulation and noise reduction earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822395.2U CN207117886U (en) | 2017-07-10 | 2017-07-10 | A kind of sound insulation and noise reduction earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207117886U true CN207117886U (en) | 2018-03-16 |
Family
ID=61575539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720822395.2U Expired - Fee Related CN207117886U (en) | 2017-07-10 | 2017-07-10 | A kind of sound insulation and noise reduction earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207117886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267139A (en) * | 2019-06-12 | 2019-09-20 | 郭军伟 | A kind of intelligence voice identification noise filtering earphone |
| CN113208813A (en) * | 2021-03-30 | 2021-08-06 | 电子科技大学 | Noise reduction earplug |
-
2017
- 2017-07-10 CN CN201720822395.2U patent/CN207117886U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267139A (en) * | 2019-06-12 | 2019-09-20 | 郭军伟 | A kind of intelligence voice identification noise filtering earphone |
| CN110267139B (en) * | 2019-06-12 | 2024-04-12 | 郭军伟 | Intelligent voice recognition noise filtering earphone |
| CN113208813A (en) * | 2021-03-30 | 2021-08-06 | 电子科技大学 | Noise reduction earplug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20180710 |