CN209462551U - The earmuff and head-mounted noise reduction earphone of noise cancelling headphone - Google Patents
The earmuff and head-mounted noise reduction earphone of noise cancelling headphone Download PDFInfo
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- CN209462551U CN209462551U CN201920137049.XU CN201920137049U CN209462551U CN 209462551 U CN209462551 U CN 209462551U CN 201920137049 U CN201920137049 U CN 201920137049U CN 209462551 U CN209462551 U CN 209462551U
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- horn
- main body
- earmuff
- separate cavities
- cancelling headphone
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Abstract
The utility model is suitable for earphone field, provides the earmuff and head-mounted noise reduction earphone of a kind of noise cancelling headphone.Wherein, the earmuff of noise cancelling headphone includes main body, horn hood, horn base and ear muff, the horn hood and the horn base are enclosed the pronunciation chamber of accommodating sounding body, the horn hood offers sound hole, the ear muff is connected to the top of the main body, the ear muff, the main body and the horn hood connect the acoustic chamber to be formed and be connected to the sound hole, space below the horn hood and other than the horn base is divided into mutually independent first separate cavities and the second separate cavities by the main body, first separate cavities and second separate cavities with the pronunciation chamber, the acoustic chamber isolation.The earmuff of noise cancelling headphone provided by the utility model reduces extraneous noise by the first separate cavities and the second separate cavities with pronunciation chamber and the isolation setting of acoustic chamber and simplifies structure by the optimization design to main body and horn hood, improves the speed of assembly.
Description
Technical field
The utility model belongs to the earmuff and head-mounted noise reduction earphone of earphone field more particularly to noise cancelling headphone.
Background technique
With the improvement of the quality of life, demand of the people to sound is also higher and higher, under noisy environment, also wants there is one
Good music experience, noise cancelling headphone come into being.The noise reduction mode of noise cancelling headphone includes active noise reduction and passive noise reduction.Actively
Decrease of noise functions is exactly that the reversed sound wave equal with ambient noise is generated by noise reduction system, noise is neutralized, to realize noise reduction
Effect.Passive type noise cancelling headphone mainly realizes noise reduction, the side of existing passive noise reduction by way of noise insulation reaches ear
Formula mainly includes that ear muff covering ear forms enclosure space, or sponge is arranged between sounding body and ear and stops noise.
Noise source includes that the noise of external environment, the noise inside earphone and outer signals produce the interference of sounding body
Raw noise.Existing earphone forms ante-chamber and back cavity, but sealing structure imprecision, ear muff covering separating before and after sounding body
The form of ear cannot reduce inside earphone and outer signals are to the interference noise of sounding body, and sponge is to a certain extent
It reduces noise but a degree of interference is also resulted in the sound of sounding body itself simultaneously.There are some noise cancelling headphones separately in order to improve
The leakproofness of cavity, structure complicated design, assembling trouble are unfavorable for producing and assemble.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of noise cancelling headphone earmuff and
Head-mounted noise reduction earphone simplifies structure while being intended to effectively improve noise reduction effect by the improvement of structure.
The utility model is the same as a kind of earmuff of noise cancelling headphone, including main body, horn hood, horn base and ear muff, the master
Surface offers downwards accommodating space to body on it, and the horn hood and the horn base position in the accommodating space, and are enclosed
The pronunciation chamber formed for accommodating sounding body is closed, the horn hood offers sound hole up and down, and the ear muff is fixed to be connected
It connects in the top of the main body, the ear muff, the main body and the horn hood connect the biography to be formed and be connected to the sound hole
Sound chamber, the horn hood are detachably connected in the main body, and the main body will be below the horn hood and positioned at the loudspeaker
Space other than seat is divided into mutually independent first separate cavities and the second separate cavities, opens up in the cavity wall of first separate cavities
Have and be connected to external electrical apparatus interface, is offered in the cavity wall of second separate cavities and be connected to external handle hole, described the
One separate cavities and second separate cavities completely cut off with the pronunciation chamber, first separate cavities and second separate cavities with
The acoustic chamber isolation.
Further, the main body is wholely set.
Further, the earmuff of the noise cancelling headphone below the horn hood be equipped with for by the horn hood respectively with
The sealing structure that the main body, the horn base are tightly connected.
Further, the main body includes bottom plate, the starting stave for being connected to the bottom plate outside plate edge and upwardly extending, connects
Be connected to the starting stave outside plate along and outwardly extending support plate, be connected to the support plate outside plate along and upwardly extend the
Two risers, the bottom plate, the starting stave, the support plate and the second riser are enclosed the accommodating space, the master
Body further includes the first isolation board and the second isolation board for being connected to the support plate and upwardly extending, and first isolation board is ring
Shape plate and the periphery for being located at the horn base, second isolation board are erected for connecting first isolation board and described second
Plate, the support plate, first isolation board, second isolation board, second riser and the horn hood are enclosed
First separate cavities.
Further, first isolation board and the horn base be there are gap, the horn hood close the gap to
On opening.
Further, the horn base, the horn hood, first isolation board, the support plate, the starting stave
Second separate cavities are enclosed with the bottom plate.
Further, the sealing structure include first seal between the horn hood and the horn base,
Second seal between the horn hood and first isolation board is located at the horn hood and second isolation board
Between third sealing element and the 4th sealing element between the horn hood and second riser, it is described first sealing
Part, the second seal, the third sealing element and the 4th sealing element are wholely set.
Further, surface is equipped with upward protrusion to the sealing structure on it, and the horn hood is in corresponding position
Equipped with accommodation groove matched with the bulge.
Further, the horn base and the main body are equipped with convex block in the junction of itself and the sealing structure.
The utility model also provides a kind of head-mounted noise reduction earphone, the earmuff including such as above-mentioned noise cancelling headphone.
The earmuff of noise cancelling headphone provided by the utility model, by being isolated with the first of pronunciation chamber and the isolation setting of acoustic chamber
Chamber and the second separate cavities reduce the noise generated from extraneous and outer signals to sounding body interference, by main body and loudspeaker
The optimization design of lid, simplifies structure, improves the speed of assembly.
Detailed description of the invention
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only this some embodiments, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the top view of the earmuff of the noise cancelling headphone of the present embodiment one；
Fig. 2 is the schematic diagram that the earmuff of the noise cancelling headphone of the present embodiment one looks down from horn hood lower surface；
Fig. 3 is the sectional view of A-A in Fig. 1；
Fig. 4 is the sectional view of B-B in Fig. 1；
Fig. 5 is the part disassembly diagram of the earmuff of the noise cancelling headphone of the present embodiment one；
Fig. 6 is the partial enlarged view in Fig. 3.
Drawing reference numeral explanation:
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
It is only phase each other it should also be noted that, the positional terms such as left and right, upper and lower in the utility model embodiment
It is reference to concept or with the normal operating condition of product, and should not be regarded as restrictive.
Embodiment one
Fig. 1 to Fig. 6 is please referred to, the earmuff the present embodiment provides a kind of noise cancelling headphone includes main body 10, horn hood 20, loudspeaker
Seat 30 and ear muff 40, surface offers downwards accommodating space to main body 10 on it, and it is empty that horn hood 20 and horn base 30 are located at accommodating
In, and it is enclosed the pronunciation chamber 60 for accommodating sounding body, horn hood 20 offers sound hole 21 up and down, ear muff
40 are fixedly connected on the top of main body 10, and ear muff 40, main body 10 and the connection of horn hood 20 form the acoustic being connected to sound hole 21
Chamber 50, horn hood 20 are detachably connected in main body 10, the sky that main body 10 will horn hood 20 lower section and be located at other than horn base 30
Between be divided into mutually independent first separate cavities 70 and the second separate cavities 80, offer and be connected in the cavity wall of the first separate cavities 70
External electric interfaces 71 offer in the cavity wall of second separate cavities 80 and are connected to external handle hole, 70 He of the first separate cavities
Second separate cavities 80 completely cut off with pronunciation chamber 60, and the first separate cavities 70 and the second separate cavities 80 completely cut off with acoustic chamber 50.
It is enclosed, is passed by horn hood 20 and horn base 30 for accommodating sounding body with Fig. 4, pronunciation chamber 60 referring to figure 3.
Sound chamber 50 is located at 60 top of pronunciation chamber, and acoustic chamber 50 is connected to sounding chamber by sound hole 21, and the sound that sounding body issues passes through
Sound hole 21, acoustic chamber 50 reach human ear.First separate cavities 70 accommodate part electric wiring or equipment, and offer electric interfaces
71.Second separate cavities, 80 holding part ignition distributor route or equipment, and offer handle hole.Head-mounted noise reduction earphone is illustrated as to be located at
The earmuff on the left side, the electric interfaces 71 of the first separate cavities 70 place pcb board, behaviour for connecting 3.5mm plug, the second separate cavities 80
Make hole for by bluetooth on-off structure；Electric interfaces 71 positioned at the earmuff (not shown) on the right are USB interface, the second isolation
80 placing battery of chamber, handle hole are used to pass through volume control structure.
The earmuff of noise cancelling headphone provided in this embodiment by with pronunciation chamber 60 and acoustic chamber 50 isolation setting first every
The noise generated from extraneous and outer signals to sounding body interference is reduced from chamber 70 and the second separate cavities 80, by main body
10 and horn hood 20 optimization design, simplify structure, improve the speed of assembly.
In the present embodiment, main body 10 is wholely set.Being wholely set reduces number of parts, is further simplified structure, improves
Assembly efficiency simultaneously effectively reduces connection area to which reduction needs airtight region.
Referring to figure 4. and Fig. 5, main body 10 include bottom plate 11, be connected to 11 outside plate of bottom plate along and upwardly extend first perpendicular
Plate 12, be connected to 12 outside plate of starting stave along and outwardly extending support plate 13, be connected to 13 outside plate of support plate along and prolong upwards
The second riser 14 stretched, the first isolation board 15 and the second isolation board 16 for being connected to support plate 13 and upwardly extending, the first isolation
Plate 15 is annular slab and the periphery for being located at horn base 30, and the second isolation board 16 is for connecting the first isolation board 15 and the second riser
14。
Bottom plate 11, starting stave 12, support plate 13 and the second riser 14 are enclosed accommodating space.
Support plate 13, the first isolation board 15, the second isolation board 16, the second riser 14 and horn hood 20 be enclosed first every
From chamber 70.By the setting of the first isolation board 15 and the second isolation board 16 by the first separate cavities 70 and pronunciation 60 lateral isolation of chamber,
Structure is simple and effective.
Referring to figure 3. or Fig. 4, the first isolation board 15 and horn base 30 be there are gap, and 20 closing gap of horn hood is upward
Opening.The placement of horn base 30 is convenient in the setting in gap, and avoids the direct contact of horn base 30 and main body 10 and lead to noise
It crosses in the directly transmitting (solid dielectric transmitting) to horn base 30 of main body 10.
Further, horn base 30, horn hood 20, the first isolation board 15, support plate 13, starting stave 12 and bottom plate 11 enclose
It closes and forms the second separate cavities 80.That is the second separate cavities 80 are that pronunciation chamber 60 and the first separate cavities are subtracted out in 20 lower space of horn hood
Space after 70, horn base 30 separate pronunciation chamber 60 and the second separate cavities 80, and the first isolation board 15 separates 70 He of the first separate cavities
Second separate cavities 80, to realize the simplification of structure.
Referring to figure 3. to Fig. 5, the earmuff of noise cancelling headphone below horn hood 20 be equipped with for by horn hood 20 respectively with master
The sealing structure 90 that body 10, horn base 30 are tightly connected.Sealing structure 90 is for stopping air in horn hood 20 and main body 10, loudspeaker
It is flowed on the joint face of seat 30, to improve the air-tightness of connection.In one embodiment, sealing structure 90 can be tool
Flexible rubber material reaches isolation air by the pressing compression seal structure 90 of horn hood 20 and connection structure
Effect.In other embodiments, it is furthermore preferred that sealing structure 90 is sound-absorbing material, realize stop the function that passes through of air it
It is outer to absorb the noise from 20 lower section of horn hood.
Referring to figure 5., sealing structure 90 includes first seal 91 between horn hood 20 and horn base 30, is located at
Second seal 92 between horn hood 20 and the first isolation board 15, the third between horn hood 20 and the second isolation board 16
Sealing element 93 and the 4th sealing element 94 between horn hood 20 and the second riser 14.First seal 91, second seal
92, third sealing element 93 and the 4th sealing element 94 are wholely set, and are conducive to the convenience for improving installation.Gather below horn hood 20
With the 10 multiple link positions in inside of horn base 30 and main body, it is also beneficial to the integration of sealing structure 90, illustrated embodiment is close
Seal structure 90 is arranged in parallel with horn hood 20, easy for installation.
One embodiment wherein, referring to figure 3. and Fig. 6, surface is equipped with upward protrusion 95 to sealing structure 90 on it,
Horn hood 20 is equipped with the accommodation groove matched with protrusion 95 in corresponding position.Protrusion 95 and being equipped with for accommodation groove are conducive to
The tightness of connection is improved, while being conducive to installation contraposition, improves the convenience of installation.Protrusion 95 can be interrupted setting or along connection
Place is uninterrupted to be extended.In this illustrated embodiment, protrusion 95 is arranged in first seal 91, second seal 92 and third sealing element
On 93, and it is uninterrupted extended.It is uninterrupted to be extended the structural strength for being conducive to improve sealing structure 90 itself, while letter
Change design technology requirement.
Preferably, horn base 30 and main body 10 are being equipped with convex block with the junction of sealing structure 90.Sealing structure 90 is such as
It is made of elastic material, then further fastening is realized by convex block extruded sealing structure 90.Sealing structure 90 is for example non-resilient
Material is made, then the groove 96 matched with convex block can be arranged in corresponding position.Convex block and being equipped with for groove 96 are conducive to
The tightness of connection is improved, while being conducive to installation contraposition, improves the convenience of installation.In the present embodiment, convex block uninterruptedly prolongs
Stretch setting.It is uninterrupted to be extended the structural strength for being conducive to improve sealing structure 90 itself, while simplifying design technology requirement.
Embodiment two
The present embodiment provides a kind of head-mounted noise reduction earphones, including bracket and two earphone heads, earphone heads include earmuff, cloth
Sounding body and other electric devices in earmuff are set, the specific structure of earmuff please refers to the ear of the noise cancelling headphone of embodiment one
Cover.It is same since the head-mounted noise reduction earphone of the present embodiment uses all technical solutions of the earmuff of above-mentioned noise cancelling headphone
Sample has whole beneficial effect brought by the technical solution of above-described embodiment, and this is no longer going to repeat them.
Further, head-mounted noise reduction earphone is provided with the first master of the noise issued for reducing sounding body in acoustic chamber
Dynamic denoising device.The noise or outer signals and sounding body that issue from sounding body are effectively reduced by the first active noise reducing device
The noise that sound wave generates negotiation and generates is issued, to improve the acoustical quality of earphone.
Head-mounted noise reduction earphone is provided in the second isolation chamber for reducing the second active noise reduction from extraneous noise
Device.The setting of second active noise reducing device is neutralized noise by generating the reversed sound wave equal with ambient noise.Reality
In, the second active noise reducing device can select main sound according to the sound source situation in head-mounted noise reduction earphone daily use scene
Simultaneously sound wave reversed therewith is arranged in the frequency spectrum in source, to realize decrease of noise functions.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of earmuff of noise cancelling headphone, which is characterized in that including main body, horn hood, horn base and ear muff, the main body is at it
Upper surface offers downwards accommodating space, and the horn hood and the horn base position in the accommodating space, and are enclosed
For accommodating the pronunciation chamber of sounding body, the horn hood offers sound hole up and down, and the ear muff is fixedly connected on institute
The top of main body is stated, the ear muff, the main body and the horn hood connect the acoustic chamber to be formed and be connected to the sound hole, institute
It states horn hood to be detachably connected in the main body, the main body will be below the horn hood and other than the horn base
Space is divided into mutually independent first separate cavities and the second separate cavities, offers and is connected in the cavity wall of first separate cavities
External electrical apparatus interface offers in the cavity wall of second separate cavities and is connected to external handle hole, first separate cavities
Completely cut off with the pronunciation chamber with second separate cavities, first separate cavities and second separate cavities with the acoustic
Chamber isolation.
2. the earmuff of noise cancelling headphone as described in claim 1, which is characterized in that the main body is wholely set.
3. the earmuff of noise cancelling headphone as claimed in claim 2, which is characterized in that the earmuff of the noise cancelling headphone is in the loudspeaker
Lid lower section is equipped with the sealing structure for the horn hood to be tightly connected with the main body, the horn base respectively.
4. the earmuff of noise cancelling headphone as claimed in claim 3, which is characterized in that the main body include bottom plate, be connected to it is described
Bottom plate outside plate along and upwardly extend starting stave, be connected to the starting stave outside plate along and outwardly extending support plate, company
Be connected to the support plate outside plate along and the second riser for upwardly extending, the bottom plate, the starting stave, the support plate and the
Two risers are enclosed the accommodating space, and the main body further includes the first isolation for being connected to the support plate and upwardly extending
Plate and the second isolation board, first isolation board are annular slab and the periphery for being located at the horn base, and second isolation board is used
In connecting first isolation board and second riser, the support plate, first isolation board, second isolation board,
Second riser and the horn hood are enclosed first separate cavities.
5. the earmuff of noise cancelling headphone as claimed in claim 4, which is characterized in that first isolation board is stayed with the horn base
There is gap, the horn hood closes the upward opening in the gap.
6. the earmuff of noise cancelling headphone as claimed in claim 5, which is characterized in that the horn base, the horn hood, described
One isolation board, the support plate, the starting stave and the bottom plate are enclosed second separate cavities.
7. the earmuff of noise cancelling headphone as claimed in claim 6, which is characterized in that the sealing structure includes being located at the loudspeaker
First seal between lid and the horn base, the second sealing between the horn hood and first isolation board
Part, the third sealing element between the horn hood and second isolation board and it is located at the horn hood and described second perpendicular
The 4th sealing element between plate, the first seal, the second seal, the third sealing element and the 4th sealing
Part is wholely set.
8. the earmuff of the noise cancelling headphone as described in claim 3 to 7 is any, which is characterized in that sealing structure table on it
Face is equipped with upward protrusion, and the horn hood is equipped with accommodation groove matched with the bulge in corresponding position.
9. the earmuff of noise cancelling headphone as claimed in claim 8, which is characterized in that the horn base and the main body its with
The junction of the sealing structure is equipped with convex block.
10. a kind of head-mounted noise reduction earphone, which is characterized in that the ear including noise cancelling headphone as described in any one of claim 1 to 9
Cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137049.XU CN209462551U (en) | 2019-01-25 | 2019-01-25 | The earmuff and head-mounted noise reduction earphone of noise cancelling headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137049.XU CN209462551U (en) | 2019-01-25 | 2019-01-25 | The earmuff and head-mounted noise reduction earphone of noise cancelling headphone |
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| Publication Number | Publication Date |
|---|---|
| CN209462551U true CN209462551U (en) | 2019-10-01 |
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ID=68045854
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920137049.XU Active CN209462551U (en) | 2019-01-25 | 2019-01-25 | The earmuff and head-mounted noise reduction earphone of noise cancelling headphone |
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| CN (1) | CN209462551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111491224A (en) * | 2019-01-25 | 2020-08-04 | 深圳市冠旭电子股份有限公司 | Ear muff of noise reduction earphone and head-wearing noise reduction earphone |
-
2019
- 2019-01-25 CN CN201920137049.XU patent/CN209462551U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111491224A (en) * | 2019-01-25 | 2020-08-04 | 深圳市冠旭电子股份有限公司 | Ear muff of noise reduction earphone and head-wearing noise reduction earphone |
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