CN104168523A - Noise-reduction earphone based on graphene foam - Google Patents
Noise-reduction earphone based on graphene foam Download PDFInfo
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- CN104168523A CN104168523A CN201410380783.0A CN201410380783A CN104168523A CN 104168523 A CN104168523 A CN 104168523A CN 201410380783 A CN201410380783 A CN 201410380783A CN 104168523 A CN104168523 A CN 104168523A
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- noise
- graphene foam
- shell
- back cover
- rear shell
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Headphones And Earphones (AREA)
Abstract
A noise-reduction earphone based on graphene foam comprises a front shell, a rear shell, a sponge layer, a noise-reduction unit and a leading wire, wherein the front shell and the rear shell are combined and wrap the sponge layer and a loudspeaker unit, and the loudspeaker unit is connected with the leading wire; a layer of graphene foam is attached to the inner surface of the front shell and the inner surface of the rear shell. The connecting position of the rear shell and the front shell comprises a sealing ring, the sealing ring enables connection of the front shell and the rear shell to be tighter, and the phenomenon of sound leakage in the seam is avoided. The surfaces of the attaching positions of the graphene foam, the front shell and the rear shell are smooth, and the smooth attaching positions guarantee better attaching of the graphene foam and the inner surfaces of the shells and guarantee the sealing performance. The sound-absorption performance of the graphene foam materials is used, sound isolation performance of the earphone and the outside is guaranteed, outside noise is isolated, and the noise-reduction effect of the earphone is better guaranteed by the cooperation of an active noise-reduction unit.
Description
Technical field
The present invention relates to earphone field, be specifically related to a kind of noise cancelling headphone based on grapheme foam.
Background technology
The develop rapidly of modernization industry society when comfortable convenient life, has also brought some negative products for people bring.Noise, has become one of pollutant sources that destroy people's work and living environment quality, and noise meeting serious harm people's auditory system, makes people tired, deaf.It is the major issue of national governments and scientific worker's research that noise is controlled always, and one of at present main solution is exactly to use sound-absorbing material, and this is also counted as a kind of effective passive type noise reduction by absorption method.
Earphone becomes one of effective way of isolated noise, how to design the noise cancelling headphone that a kind of decrease of noise functions is good and light, becomes the major issue that prior art need to solve.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of noise cancelling headphone based on grapheme foam, by the sound absorption characteristics of grapheme foam, strengthen the sound insulation function of earphone, at ear casing inner surface laminating grapheme foam, reach the further object of noise reduction, solved the problem of prior art.
Technical scheme: a kind of noise cancelling headphone based on grapheme foam, comprises fore shell, back cover, spongy layer, noise reduction unit and lead-in wire; Fore shell engages with back cover, parcel spongy layer and loudspeaker unit; Loudspeaker unit connecting lead wire;
It is characterized in that, in described fore shell, be all fitted with one deck grapheme foam with back cover inner surface.
Back cover and fore shell junction comprise sealing ring.It is tightr that sealing ring connects front and rear casing, the phenomenon of having avoided place, gap to leak sound.
Grapheme foam and fore shell and the surfacing of back cover joint place.Joint place is smooth has guaranteed that the inner surface of grapheme foam and shell better fits, and has guaranteed sealing.
Beneficial effect:
1, utilized the sound absorption qualities of using grapheme foam material, guaranteed earphone and extraneous sound insulation value, completely cut off external noise, cooperation active noise reduction unit has better guaranteed the noise reduction of earphone.
2, grapheme material quality is light, can effectively reduce earphone total quality.
Embodiment
Below the present invention is done further and explained.
A noise cancelling headphone based on grapheme foam, comprises fore shell, back cover, spongy layer, noise reduction unit and lead-in wire; Fore shell engages with back cover, parcel spongy layer and loudspeaker unit; Loudspeaker unit connecting lead wire.
It is characterized in that, in described fore shell, be all fitted with one deck grapheme foam with back cover inner surface.
Back cover and fore shell junction comprise sealing ring.It is tightr that sealing ring connects front and rear casing, the phenomenon of having avoided place, gap to leak sound.
Grapheme foam and fore shell and the surfacing of back cover joint place.Joint place is smooth has guaranteed that the inner surface of grapheme foam and shell better fits, and has guaranteed sealing.
The operation principle of noise reduction unit is wherein: the environment medium and low frequency noise (frequency range is 100Hz-1000Hz) that first can be heard by the microphone detecting ear of noise reduction unit, again noise warning signal is reached to control circuit, control circuit carries out real-time operation, finally by Hi-Fi loudspeaker transmittings and noise single spin-echo, sound wave that amplitude is identical, carrys out offset noise.
The present invention has utilized the sound absorption qualities of using grapheme foam material, has guaranteed earphone and extraneous sound insulation value, has completely cut off external noise, and cooperation active noise reduction unit has better guaranteed the noise reduction of earphone.Meanwhile, grapheme material quality is light, can effectively reduce earphone total quality.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. the noise cancelling headphone based on grapheme foam, comprises fore shell, back cover, spongy layer, noise reduction unit and lead-in wire; Fore shell engages with back cover, parcel spongy layer and loudspeaker unit; Loudspeaker unit connecting lead wire;
It is characterized in that, in described fore shell, be all fitted with one deck grapheme foam with back cover inner surface.
2. a kind of noise cancelling headphone based on grapheme foam as claimed in claim 1, is characterized in that, described back cover and fore shell junction comprise sealing ring.
3. a kind of noise cancelling headphone based on grapheme foam as claimed in claim 1, is characterized in that described grapheme foam and fore shell and the surfacing of back cover joint place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380783.0A CN104168523A (en) | 2014-08-04 | 2014-08-04 | Noise-reduction earphone based on graphene foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380783.0A CN104168523A (en) | 2014-08-04 | 2014-08-04 | Noise-reduction earphone based on graphene foam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104168523A true CN104168523A (en) | 2014-11-26 |
Family
ID=51912121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410380783.0A Pending CN104168523A (en) | 2014-08-04 | 2014-08-04 | Noise-reduction earphone based on graphene foam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104168523A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024987A1 (en) * | 2015-08-07 | 2017-02-16 | Sound Solutions International Co., Ltd. | Loudspeaker device having foam insert to improve gas distribution in sound adsorber material |
| US20170155985A1 (en) * | 2015-11-30 | 2017-06-01 | Bragi GmbH | Graphene Based Mesh for Use in Portable Electronic Devices |
| CN106963554A (en) * | 2017-04-24 | 2017-07-21 | 杨霖 | Graphene hearing protectors |
| CN108200501A (en) * | 2018-02-05 | 2018-06-22 | 重庆邮电大学 | More scene intelligent noise-proof earphones based on magnetic foam |
| CN113208813A (en) * | 2021-03-30 | 2021-08-06 | 电子科技大学 | Noise reduction earplug |
-
2014
- 2014-08-04 CN CN201410380783.0A patent/CN104168523A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024987A1 (en) * | 2015-08-07 | 2017-02-16 | Sound Solutions International Co., Ltd. | Loudspeaker device having foam insert to improve gas distribution in sound adsorber material |
| US20170155985A1 (en) * | 2015-11-30 | 2017-06-01 | Bragi GmbH | Graphene Based Mesh for Use in Portable Electronic Devices |
| CN106963554A (en) * | 2017-04-24 | 2017-07-21 | 杨霖 | Graphene hearing protectors |
| CN106963554B (en) * | 2017-04-24 | 2019-04-12 | 哈尔滨工业大学 | Graphene film hearing protectors |
| CN108200501A (en) * | 2018-02-05 | 2018-06-22 | 重庆邮电大学 | More scene intelligent noise-proof earphones based on magnetic foam |
| CN108200501B (en) * | 2018-02-05 | 2020-07-10 | 重庆邮电大学 | Multi-scene intelligent noise-proof earphone based on magnetic foam |
| 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 |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141126 |
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| WD01 | Invention patent application deemed withdrawn after publication |