CN105979428A

CN105979428A - Multifunctional noise reduction headset

Info

Publication number: CN105979428A
Application number: CN201610579814.4A
Authority: CN
Inventors: 华峰君
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-19
Filing date: 2016-07-19
Publication date: 2016-09-28

Abstract

The invention discloses a multifunctional noise reduction headset, comprising a main shell and a front shell, which form a headset body portion, wherein a hollow bowl-shaped structure with an inner space S is formed, and a separation board is arranged in the inner space S to divide the inner space S into a first space S1 and a second space S2; a conversion unit for converting an audio input signal into an acoustic signal is arranged in S1; a microphone for receiving external environmental noise is arranged in S2; an adjustment hole is formed in the wall of the front shell corresponding to S2; a door capable of adjusting closure is arranged on the adjustment hole to adjust the size of the external environmental noise transmitted into the S2; and a pressure adjustment plate capable of adjusting the openness of the pressure adjustment hole is further correspondingly arranged on the wall of the main shell. By adopting the multifunctional noise reduction headset, the noise input can be adjusted, and the multifunctional noise reduction headset, can be charged by solar energy.

Description

A kind of Multifunctional noise-reducing headphone

Technical field

The present invention relates to a kind of field of audio devices, particularly relate to a kind of Multifunctional noise-reducing headphone being applicable to audio frequency apparatus.

Background technology

Audio frequency apparatus, typically such as earphone, has become as portable electric appts, such as mobile phone, PDA, PC etc. must Want one of accessory.The generally structure of earphone includes: headset plug, it is used for receiving electronic signal；Speaker, for by electronics The audio signal of equipment output is converted to voice output.Along with popularizing of mobile communication technology, earphone also needs to accordingly increase wheat Gram wind function, so that user can realize call function.

Even if the noise-reducing design of earphone is generally realized by feedback at present, it is common that given design object, certain optimization is applied to set Meter method obtains the controller frequency characteristic optimized, and uses digital feedback or analog feedback to realize.

Noise cancellation method is designed to by using audio frequency apparatus (such as, earphone) to reduce undesired ambient sound.Environment The background sound that sound is referred to as occurring in any given position is arbitrarily downgraded.In order to design noise canceling system, audio-source (such as, ear Machine) the identical amplitude of the ambient sound having and occur at wearer's ear must be launched but the sound wave of contrary polarity.Ambient sound Ripple and the sound wave from earphone combine, and to form new ripple, wherein, effectively, at wearer's ear, are being referred to as phase place In the process eliminated, two ripples cancel one another out.Gained ambient sound waves is likely to be at such low amplitude, to such an extent as to will not for human ear Audible.

In use insert the In-Ear Headphones in the auditory meatus of user increasingly to catch on and portable type media apparatus and shifting Mobile phone is used along.The reason that these earphones are popular is because them and can isolate to the sound generation sent from earphone not The external noise of the impact of profit.

It is thus desirable to obtain environmental noise by mike, and earphone is made to export contrary waveform.But, noise isolation design Noise reduction is made to need the external noise received to become difficulty.

It addition, the function of existing earphone is the most single, typically without the function of automatic charging, it is necessary to rely on external power supply, cause Use extremely inconvenient.

For solving this technical problem.The present inventor, through concentrating on studies, proposes a kind of scheme solving this technical problem.

Summary of the invention

Thus setting out, of the present invention to solve the technical problem that the multi-functional noise reduction being to provide the input of a kind of scalable noise Earphone.

A kind of Multifunctional noise-reducing headphone, including for headset main body part main casing, procapsid, be attached on described procapsid Meatus tube and be attached at the earplug on described meatus tube；Formed between described main casing and described procapsid and there is inner space The hollow bowl structure of S, is provided with demarcation strip in described internal space S, described internal space S is divided by described demarcation strip For independent first space S 1 and second space S2；It is characterized in that: in described first space S 1, be provided with and audio frequency is inputted Signal is converted into the converting unit of acoustic signals；In described second space S2, it is provided with the mike receiving ambient external noise；

On the wall of described main casing corresponding for described second space S2, being provided with adjustment hole, described adjustment hole allows external environment condition to make an uproar Sound conducts to mike, but non-conducting is to the auditory meatus of user；Described adjustment hole is provided with and can regulate the door closed, to adjust Save the size of ambient external noise in incoming described second space S2；Multiple and external communication is offered on the wall of described main casing Regulator hole so that described converting unit produce back pressure can discharge rapidly, the wall of described main casing is additionally provided with accordingly The regulator board of described regulator hole aperture can be regulated.

Further, one end of described regulator board is free end, and the other end connects the drive end of pressure regulator；Described free end is in institute State under the effect of described drive end of pressure regulator, it is possible to stretch out and block described regulator hole, to reduce the aperture of described regulator hole, Can retract and expose described regulator hole, to increase the aperture of described regulator hole.

Further, the peripheral part of described meatus tube has annular relief, when described earplug coordinates with described meatus tube, anti- The described earplug being only nested on described meatus tube skids off.

Further, the radio reception central shaft of described mike and the playback central shaft of described converting unit are mutually perpendicular state.

Further, between described glassy layer and described second encapsulating material layer, it is provided with barrier layer, is used for stopping described glassy layer Metal cation enter described battery lamella.

Further, the outer wall of described main casing is provided with solar module, is used for converting light energy into electric energy, and by electricity Can be stored in the battery in described main casing；Described solar module includes backsheet layer, the first encapsulation material being sequentially stacked The bed of material, battery lamella, the second encapsulating material layer and glassy layer.

Further, described battery is positioned at described first space S 1.

Further, described battery is positioned at described second space S2.

The invention have the benefit that

1, adjustment hole 9 is adapted for variable noise regulation so that the environmental noise that mike receives can be in different states Under be adjusted, it may be necessary to close adjustment hole, reduce environmental noise input.

2, mike 6 is separated completely by demarcation strip 11 with converting unit 5 so that mike 6 is not by converting unit 5 Impact, thus mike will not be affected by the acoustical signal that converting unit exports.

3, the effect of regulator hole 21 so that the back pressure produced in converting unit 5 can discharge rapidly, thus alleviates back pressure Impact, and enhance the earphone result of broadcast to low-frequency sound.

4, solar module converts light energy into electric energy, and by the battery in electrical power storage to earphone, uses More convenient.

Accompanying drawing explanation

Fig. 1 is the structural representation of the embodiment of the present invention；

Fig. 2 is the structural representation of the solar module in Fig. 1；

Detailed description of the invention

Below in conjunction with specific embodiment, the present invention is further described, but does not limit the invention to these and be embodied as Mode.One skilled in the art would recognize that and present invention encompasses potentially included in Claims scope all alternative Scheme, improvement project and equivalents.

As depicted in figs. 1 and 2, in earphone 10, including as the main casing 2 of earphone 10 main part, procapsid 3, attached The meatus tube 31 being connected on procapsid and earplug 4.

Meatus tube 31 is the parts that tubulose extends, and earplug 4 attaches on meatus tube 31, particularly, at meatus tube 31 Peripheral part has annular relief 32, when earplug 4 coordinates with meatus tube 31, prevents the earplug being nested on meatus tube 31 light Change places and skid off.

This earplug 4 has the cylinder-like part 41 being nested on meatus tube 31, turns back backward from the front end of cylinder-like part 41 Isolated part 42.Particularly, this isolated part 42 is formed as soft hemispherical, inserts the external ear in human ear at earplug 4 Behind road, can be in close contact with external auditory meatus, prevent the leakage of sound, enhance the earphone result of broadcast to low-frequency sound.Optionally, The material of this earplug is the material of flexible, compressible, includes but not limited to high-density foam, silicones, rubber etc..And this material Material preferably has great friction coefficient, has prevented landing.

Forming the hollow bowl structure with internal space S between main casing 2 and procapsid 3, this internal space S passes through wire The wire (not shown) arranged in portion 7 is connected with outside electronic equipment.Between procapsid 3 and meatus tube 31, it is provided with Noise filtering core 33.Noise filtering core 33 is that the polymeric material with micro-hole is made, and typical material is that supra polymer gathers Ethylene (ultra high molecular weight Polyethylene, UHMW-PE), or high density polyethylene (HDPE) (high DensityPolyethylene, HDPE), or politef (Polytetrafluoroethylene, PTFE), or polypropylene (Polypropylene, PP) etc..

Wherein being provided with demarcation strip 11 in this internal space S, this internal space S is divided into independent two by this demarcation strip 11 Divide space S 1 and S2.

In the present embodiment, second space S2 is positioned at the top of the first space S 1.In the first space S 1, it is provided with electricity The audio signal of subset is converted into the converting unit 5 of acoustic signals, and this converting unit typically can include, loudspeaker, speaker.

In the first space S 1, on the wall of main casing 2, offer multiple and external communication regulator hole 21, single in conversion During unit's 5 work, due to the effect of regulator hole 21 so that the back pressure produced in converting unit 5 can discharge rapidly, thus alleviates The impact of back pressure, and enhance the earphone result of broadcast to low-frequency sound.

And on the wall of main casing 2, it is additionally provided with the regulator board 22 that can regulate regulator hole 21 aperture, the one of this regulator board accordingly End is for free end, the other end of this regulator board connects the drive end of pressure regulator 23, and this free end is at the drive end of pressure regulator 23 Under effect, it is possible to stretch out and block regulator hole 22, to reduce the aperture of regulator hole 22, it is possible to retract and expose regulator hole 21, To increase the aperture of regulator hole 21.

So, under the driving of pressure regulator 23, regulator board 22 stretches out, and blocks the regulator hole 21 aperture with reduction regulator hole 21, Or regulator board 22 is retracted, expose regulator hole 21 to increase the aperture of regulator hole 21 so that the aperture of regulator hole 21 is adjustable, With as required, in different environment, select the regulator hole 21 of suitable aperture, strengthen the earphone result of broadcast to low-frequency sound.

Further, in second space S2, it is provided with mike 6.Preferably, the radio reception central shaft of this mike 6 with turn The playback central shaft changing unit 5 is mutually perpendicular state, simultaneously because demarcation strip 11 is by complete with converting unit 5 for mike 6 Separate so that mike 6 is not affected by converting unit 5, thus the acoustical signal that mike will not be exported by converting unit Impact.

On the wall of main casing 2 corresponding for second space S2, being further opened with adjustment hole 9, this adjustment hole 9 allows external noise to pass It is directed at mike 6, but non-conducting is to the auditory meatus of user so that mike 6 can effectively receive external noise, and carries out anti- Feedback, to realize the effect of high-precision elimination environmental noise.This is because the space that is combined into procapsid 3 of demarcation strip 11 with Meatus tube 31 is isolation relatively.

Particularly, adjustment hole 9 is adapted for variable noise regulation.Optional a kind of implementation is to use sliding gate 91, this sliding gate 91 can keep each position in sliding process, controls mike 6 according to environmental noise and receives Noise.The most also adjustment hole 9 can be completely closed.

And, the outer wall of main casing 2 is provided with solar module 200, and this solar module 200 is for by luminous energy Be converted to electric energy, and by the battery in electrical power storage to main casing 2, battery may be located in the first space S 1, it is also possible to position In second space S2.

Specifically, solar module 200 includes backsheet layer the 201, first encapsulating material layer 202, the cell piece being sequentially stacked Layer the 203, second encapsulating material layer 204 and glassy layer 205, be provided with between glassy layer 205 and the second encapsulating material layer 204 Barrier layer 206, barrier layer 206 enters battery lamella 203 for the metal cation stopping glassy layer 205.

Present invention is simply schematically illustrated by above-mentioned specific embodiment, does not represent the restriction to present invention.This area Technical staff it is envisioned that in the present invention concrete structure can have a lot of versions, but the master of the used technical solution Want technical characteristic same or similar with the present invention, all should be covered by scope.

Claims

1. a Multifunctional noise-reducing headphone, including being formed as the main casing of headset main body part, procapsid, the meatus tube being attached on described procapsid and being attached at the earplug on described meatus tube；Forming the hollow bowl structure with internal space S between described main casing and described procapsid, be provided with demarcation strip in described internal space S, described internal space S is divided into independent first space S 1 and second space S2 by described demarcation strip；It is characterized in that:

In described first space S 1, it is provided with the converting unit that audio input signal is converted into acoustic signals；

In described second space S2, it is provided with the mike receiving ambient external noise；

On the wall of described main casing corresponding for described second space S2, being provided with adjustment hole, described adjustment hole allows ambient external noise to conduct to mike, but non-conducting is to the auditory meatus of user；

Described adjustment hole is provided with and can regulate the door closed, to regulate the size of the ambient external noise in incoming described second space S2；

Offer multiple and external communication regulator hole on the wall of described main casing, so that the back pressure that described converting unit produces can discharge rapidly, the wall of described main casing is additionally provided with regulator board accordingly that can regulate described regulator hole aperture.

2. Multifunctional noise-reducing headphone as claimed in claim 1, it is characterised in that: one end of described regulator board is free end, and the other end connects the drive end of pressure regulator；Described free end is under the effect of the described drive end of described pressure regulator, it is possible to stretches out and blocks described regulator hole, to reduce the aperture of described regulator hole, it is possible to retracts and exposes described regulator hole, to increase the aperture of described regulator hole.

3. Multifunctional noise-reducing headphone as claimed in claim 1, it is characterised in that: the peripheral part of described meatus tube has annular relief, when described earplug coordinates with described meatus tube, prevents the described earplug being nested on described meatus tube from skidding off.

4. Multifunctional noise-reducing headphone as claimed in claim 1, it is characterised in that: the radio reception central shaft of described mike and the playback central shaft of described converting unit are mutually perpendicular state.

5. Multifunctional noise-reducing headphone as claimed in claim 1, it is characterised in that: it is provided with barrier layer between described glassy layer and described second encapsulating material layer, for stopping that the metal cation of described glassy layer enters described battery lamella.

6. the Multifunctional noise-reducing headphone as according to any one of claim 1 to 5, it is characterised in that: the outer wall of described main casing is provided with solar module, is used for converting light energy into electric energy, and by the battery in electrical power storage to described main casing；Described solar module includes backsheet layer, the first encapsulating material layer, battery lamella, the second encapsulating material layer and the glassy layer being sequentially stacked.

7. Multifunctional noise-reducing headphone as claimed in claim 6, it is characterised in that: described battery is positioned at described first space S 1.

8. Multifunctional noise-reducing headphone as claimed in claim 6, it is characterised in that: described battery is positioned at described second space S2.