CN110505556A - A kind of wearable device and its acoustic seal structure - Google Patents
A kind of wearable device and its acoustic seal structure Download PDFInfo
- Publication number
- CN110505556A CN110505556A CN201910843108.XA CN201910843108A CN110505556A CN 110505556 A CN110505556 A CN 110505556A CN 201910843108 A CN201910843108 A CN 201910843108A CN 110505556 A CN110505556 A CN 110505556A
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- Prior art keywords
- venting channels
- mic
- support construction
- waterproof membrane
- cavity
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The invention discloses a kind of wearable device and its acoustic seal structures, including shell, the support construction being set at shell sound inlet, palette is in the first waterproof membrane of the first side of support construction, pass through MIC of the sealing structure in conjunction with second side of support construction, support construction is equipped with sound penetrating hole corresponding with sound inlet, it further include venting channels, the first end of venting channels is connected to MIC cavity, second end is connected to the inner cavity of shell, shell is equipped with connection inner cavity and extraneous venthole and the second waterproof membrane being set at venthole, wherein, seal cavity of the MIC cavity between MIC and the first waterproof membrane, venting channels are located in support construction or are located inside sealing structure or between support construction and sealing structure；The present invention can make the air pressure of the first waterproof membrane two sides keep balance in use, to prevent the first waterproof membrane from generating Non-Linear Vibration, improve the acoustical behavior and equipment sound quality of MIC.
Description
Technical field
The present embodiments relate to technical field of electronic products, more particularly to a kind of wearable device and its acoustic seal
Structure.
Background technique
In recent years, intelligence wearing class product is widely applied, and on the basis of the requirement of performance, wearable product is to anti-
It is aqueous can higher requirements are also raised, waterproof rank be continuously improved, from life waterproof, IPX4 grades of directionless splash-proof to
The deep water grade waterproof of 3ATM/5ATM, or even propose swimming, diving waterproof requirement.Due to being set on most intelligence wearing class products
There is MIC, so the design of the part MIC can all use waterproof membrane, and waterproofing grade is got in order to reach high level waterproof requirement
The Air permenbility of high waterproof membrane also can be smaller.IPX7 and its above waterproof rank have been arrived, will rely on the vibration of waterproof membrane itself will
External sound is transmitted to MIC cavity, and after especially arriving the waterproofing grade of 3ATM/5ATM, many waterproof membranes are almost without ventilative
Amount, complete machine can achieve the state of " completely enclosed ", but during machine assembly or after the rising of inner/outer temperature, just
It will lead to air pressure imbalance, and waterproof membrane gas permeability is poor, so the both sides (i.e. MIC cavity and the external world) of short time inner waterproofing film
Air pressure can not just balance, to generate waterproof membrane " eardrum " phenomenon, so that waterproof membrane is generated Non-Linear Vibration, MIC can generate non-
Linear distortion leads to problems such as " sound is small " " dystimbria " to occur.
Summary of the invention
The purpose of the embodiment of the present invention is that providing a kind of wearable device and its acoustic seal structure, prevent in use
Only waterproof membrane generates Non-Linear Vibration, improves the acoustical behavior and equipment sound quality of MIC.
In order to solve the above technical problems, the embodiment of the invention provides a kind of acoustic seal structure of wearable device, packet
Shell, the support construction being set at the shell sound inlet, palette is included to prevent in the first of first side of support construction
Moisture film, the MIC by bonded structure in conjunction with second side of the support construction, the support construction are equipped with and the sound inlet
Corresponding sound penetrating hole further includes venting channels, and the first end of the venting channels is connected to MIC cavity, second end and the shell
The inner cavity of body is connected to, and the shell, which is equipped with, to be connected to the inner cavity and extraneous venthole and be set at the venthole
Second waterproof membrane, wherein seal cavity of the MIC cavity between the MIC and first waterproof membrane, the ventilation are logical
Road is located in the support construction or is located inside the sealing structure or be located at the support construction and the sealing is tied
Between structure.
Optionally, the first end of the venting channels is flushed with the inner wall of the MIC cavity.
Optionally, the first double-sided adhesive is equipped between the support construction and the sealing structure.
Optionally, the venting channels are set in first double-sided adhesive.
Optionally, between first waterproof membrane and the support construction and between the support construction and the shell
Equipped with the second double-sided adhesive.
Optionally, the size of the venting channels is preset value, so that the sound being passed to from the second end of the venting channels
Decay intensity value is within a preset range when being transmitted to the first end of the venting channels for sound signal.
Optionally, the venting channels are a plurality of.
Optionally, the venting channels are flat.
The embodiment of the invention provides a kind of wearable devices, including acoustic seal structure as described above.
The embodiment of the invention provides a kind of wearable device and its acoustic seal structures, which includes shell
Body, the support construction being set at shell sound inlet, palette are tied in the first waterproof membrane of support construction first, by sealing
MIC of the structure in conjunction with second side of support construction, support construction are equipped with sound penetrating hole corresponding with sound inlet, further include that ventilation is logical
Road, the first end of venting channels is connected to MIC cavity, second end is connected to the inner cavity of shell, shell be equipped with connection inner cavity with
Extraneous venthole and the second waterproof membrane being set at venthole, wherein MIC cavity is between MIC and the first waterproof membrane
Seal cavity, venting channels are located in support construction or are located inside sealing structure or be located at support construction and sealing knot
Between structure.
As it can be seen that the first waterproof membrane palette of the acoustic seal structure in the present invention, in the first side of support construction, MIC is logical
It crosses sealing structure to be arranged in second side of support construction, makes to form MIC cavity between the first waterproof membrane and MIC, and propping up
It is equipped with venting channels inside support structure or inside sealing structure or between support construction and sealing structure, and venting channels
First end is connected to the inner cavity of MIC cavity, second end connection shell, can be when the air pressure of MIC cavity increases, will be in MIC cavity
The gas in portion is exported by venting channels to the inner cavity of shell, and inner cavity can pass through the second waterproof membrane and extraneous progress air pressure
Balance, to prevent the first waterproof membrane from generating Non-Linear Vibration, improves so that the air pressure of the first waterproof membrane two sides be made to keep balance
The acoustical behavior and equipment sound quality of MIC.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the acoustic seal structure of wearable device provided in an embodiment of the present invention；
Structural schematic diagram when Fig. 2 is a kind of first waterproof membrane two sides air pressure imbalance provided in an embodiment of the present invention；
Fig. 3 is the partial structurtes signal of the acoustic seal structure of another wearable device provided in an embodiment of the present invention
Figure；
Fig. 4 is the partial structural diagram of the acoustic seal structure of another wearable device provided in an embodiment of the present invention
Fig. 5 is that the structural schematic diagram inside double-sided adhesive is arranged in a kind of venting channels provided in an embodiment of the present invention；
Fig. 6 is that the frequency response curve of MIC under different size venting channels provided in an embodiment of the present invention a kind of emulates signal
Figure；
Fig. 7 is a kind of structural schematic diagram of venting channels provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of wearable device and its acoustic seal structures, prevent waterproof in use
Film generates Non-Linear Vibration, improves the acoustical behavior and equipment sound quality of MIC.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, Fig. 1 is the structure of a kind of wearable device provided in an embodiment of the present invention and its acoustic seal structure
Schematic diagram.The acoustic seal structure, including shell 1, the support construction being set at the sound inlet 11 of shell 12, palette in
The first waterproof membrane 3, the MIC 5 by sealing structure 4 in conjunction with second side of support construction 2 of support construction 2 first, support knot
Structure 2 is equipped with sound penetrating hole corresponding with sound inlet 11, which further includes venting channels 6, wherein venting channels 6
First end is connected to MIC cavity 51, second end is connected to the inner cavity 12 of shell 1, and shell 1 is equipped with connection inner cavity 12 and the external world
Venthole 13 and the second waterproof membrane 7 being set at venthole 13, wherein MIC cavity 51 is MIC 5 and the first waterproof membrane 3
Between seal cavity, venting channels 6 are located in support construction 2 or are located at 4 inside of sealing structure or be located at support construction 2
Between sealing structure 4.
Specifically, the shell 1 of acoustic seal structure is equipped with sound inlet 11 as shown in Figure 1, support construction 2, which can be used as, is held
The carrier of the first waterproof membrane 3 and MIC 5 is carried, and support construction 2 is equipped with sound penetrating hole, the first waterproof membrane 21 is fitted closely in branch
First side of support structure 2, and MIC 5 is bonded in second side namely MIC 5 and first of support construction 2 by sealing structure 4
Waterproof membrane 3 be distributed respectively with two opposite sides of support construction 2, and between the first waterproof membrane 3 and support construction 2 and MIC 5
Sealing is combined between support construction 2, without extraneous leakage, so that external sound is merely able to enter by sound inlet 11.In
It after sound enters sound inlet 11, can be transmitted at the first waterproof membrane 3 first, cause the vibration of the first waterproof membrane 3, the first waterproof membrane
Gas in 3 vibrocompression MIC cavity 51, then be transmitted to inside MIC, completion sound turns the process of electricity.Wherein, MIC cavity is
First waterproof membrane 3, support construction 2 sound penetrating hole and MIC 5 between the sealing cavity that is formed, the cavity that shell 1 is encircled a city is inner cavity
12, and MIC 5 is located in the inner cavity 11 of shell 1.
Specifically referring to figure 2., it should be noted that since MIC cavity 51 is a seal cavity, so can be because a variety of
Factor causes the air pressure in the MIC cavity 51 inconsistent with the external world, and the air pressure imbalance of 3 two sides of the first waterproof membrane is caused to make
Deformation occurs for first waterproof membrane 3, such as raised (as shown in Figure 2), such as in an assembling process, due to the extruding of sealing structure 4
Reduce 51 internal volume of MIC cavity, and air pressure is caused to increase, or due to being set to inside complete machine (namely the inner cavity of shell 1
12) IC class device operational heat causes 51 air pressure inside of MIC cavity to be higher than ambient pressure, the first waterproof membrane 3 is caused to be heaved；
Or depression is climbed the mountain or arrives, and ambient pressure can be less than 51 air pressure inside of MIC cavity, and it also result in the first waterproof membrane 3 and heave,
And since the Air permenbility of the first waterproof membrane 3 itself is very small, so 3 two sides of the first waterproof membrane can not be made in a short time
Air pressure reaches balance, it would be at improper free state after the first waterproof membrane 3 is heaved, and Oscillation Amplitude is restricted, from
And the sound for causing MIC 5 to pick up becomes smaller or abnormal.
It please refers to Fig. 1 and Fig. 3, in the present embodiment in order to solve this problem, is provided with connection MIC cavity 51 and shell 1
Inner cavity 12 venting channels 6 and the venthole 13 being arranged on shell 1 and the second waterproof membrane being arranged at venthole 13,
Wherein, venting channels 6 can be specifically arranged between support construction 2 and sealing structure 4 (as shown in Figure 1), or will ventilation
Channel 6 is arranged inside support construction 2 (as shown in Figure 3) or venting channels 6 is arranged inside sealing structure 4 (such as Fig. 4 institute
Show) etc., since the inner cavity 12 of shell 1 is in communication with the outside by the second waterproof membrane 7 and venthole 13 being arranged on shell 1, from
And the gas in inner cavity 12 can be made to swap through venthole 13 with the external world by the second waterproof membrane 7, wherein the second waterproof membrane
13 effect is the inner cavity 12 for balancing shell 1 and extraneous air pressure, therefore, when in MIC cavity 51 due to temperature or other reasons
After causing air pressure to increase, the gas in MIC cavity 51 can be transferred in the inner cavity 12 of shell 1 by venting channels 6, namely transmitting
To complete machine, air pressure inside complete machine can then venthole 13 be balanced with the external world by the second waterproof membrane 7, Neng Gou
After air pressure in MIC cavity 51 increases, so that the air pressure of 3 two sides of the first waterproof membrane is reached balance in a short time, guarantee in product
The air pressure balance of first waterproof membrane, 3 two sides in use process, and then prevent the first waterproof membrane 3 deformation occurs, ensure that MIC pickup is arrived
Sound quality.
Further, since the first end of venting channels 6 protrudes into, 51 inside of MIC cavity is too long, and meeting is in MIC cavity 51
Cause the vibration of the first end of venting channels 6 when Gas Vibration, so that the sound quality that MIC 5 is picked up is influenced, therefore in order to
The first end of venting channels 6 is avoided to have an impact the voice pickup of MIC 5, the first end of venting channels 6 can in the present embodiment
To be flushed with the inner wall of MIC cavity 51, that is, inner wall plane of the first end of venting channels 6 without departing from MIC cavity 51, still
Guarantee that the first end of venting channels 6 is connected to MIC cavity 51.
Certainly, the second end of venting channels 6 can also be flushed with inner cavity 12 with the interface of corresponding device, such as ventilation is logical
When road 6 is arranged in support construction 2, the second end of venting channels 6 can be flushed with the surface of support construction 2, namely ventilation is logical
The second end in road 6 is not extend to inside inner cavity 12, as long as guaranteeing that the second end inner cavity 12 of venting channels 6 is connected to, thus i.e.
MIC cavity 51 can be achieved and pass through progress gas circulation between venting channels 6 and inner cavity 12, further realize air pressure equalisation.
Specifically, venting channels 6 can connect between the inner cavity 12 to MIC cavity 51 and shell 1 in several ways
It is logical, for example, venting channels 6 are arranged inside sealing structure 4 (as shown in Figure 4), that is, venting channels 6 run through sealing structure 4,
It is connected to 6 first end of venting channels with MIC cavity 51, second end is connected to inner cavity 12 or venting channels 4 can be set and prop up
Inside support structure 2 namely venting channels 4 are independently disposed to support through support construction 2 (as shown in Figure 3) or venting channels 4
Between structure 2 and sealing structure 4 (as shown in Figure 1), and guarantee close between support construction 2, venting channels 4 and sealing structure 2
Envelope is good, does not reveal.Certainly, venting channels 6 specifically can be according to reality using which kind of set-up mode in practical applications
It needs to be determined, the present embodiment does not do particular determination.
Wherein, such as when venting channels 6 are set to 2 inside of support construction, venting channels 6 can be in production support knot
When structure 2, pipeline of support construction of nuzzling in advance 2, such as PC pipe etc., it is of course also possible to be after support construction 2 is provided with, from
By a through-hole opening up out of the technologies such as drilling in support construction 2, so that forming venting channels 6 namely venting channels 6 can be with
It is integrated with support construction 2, it can also be configured independently of support construction 2, be only configured independently of support construction 2
When, it needs to fit closely support construction 2 with ventilation pipe outer wall, to guarantee leakproofness between the two.Certainly, for ventilation
Channel 6 is set to the situation in sealing structure 4, venting channels 6 can also be arranged by way of pre-buried or drilling, specifically adopt
Which kind of can be determined according to actual needs with mode, the application does not do particular determination.
It should also be noted that, can also supported to guarantee the leakproofness between support construction 2 and sealing structure 4
First double-sided adhesive is set between structure 2 and sealing structure 4.Further, the venting channels 6 in the present embodiment can be set in this
In first double-sided adhesive.
Specifically referring to figure 5. shown in side view, venting channels 6 can specifically realize by way of double-sided adhesive guide groove,
Namely a part is cut out on double-sided adhesive and forms venting channels 6, wherein the double-sided adhesive in this implementation can specifically use PSA
(Pressure Sensitive Adhesive, pressure sensitive adhesive) double-sided adhesive, caking property and elasticity are preferable, are more advantageous to and are inciting somebody to action
While first waterproof membrane 3 is fixed on the support structure 2, sealing effect can be improved.
In addition, first waterproof membrane 3 can pass through in order to ensure the leakproofness between the first waterproof membrane 3 and support construction 2
Two double-sided adhesives and 2 adhesive bond of support construction, and can also be combined by the second double-sided adhesive between support construction 2 and shell 1,
Namely second double-sided adhesive be divided into two parts, a part is for bonding the first waterproof membrane 3 and support construction 2, and another part is for gluing
Tie support construction 2 and shell 1.
It should also be noted that, preferably venting channels 6 can be set in practical applications in order to reduce technique manufacture difficulty
It is placed in inside support construction 2.Wherein, the venting channels 6 in the present embodiment are specifically as follows flat slit, certainly, for
The concrete shape of venting channels 6 can be determined according to actual setting situation, and the present embodiment does not do particular determination.
In addition, the path that external sound can be made to enter MIC cavity 51 is one more due to the setting of venting channels 6, it can shadow
The signal-to-noise ratio and phase of voice signal that MIC is picked up are rung, when venting channels 6 are oversized, external sound may be from outer
The venthole 13 being connected in shell 1 with inner cavity 12 enters to inner cavity through the second waterproof membrane 7, is then entering MIC chamber by venting channels 6
Body 51, in this way can to acoustics index and back-end algorithm processing it is unfavorable, especially for more MIC products, thus in order to ensure MIC into
The unicity in sound path, when the size to venting channels 6 is configured, should meet makes to be passed to from the second end of venting channels 6
Voice signal when being transmitted to the first end of venting channels 6, decay intensity value is within a preset range.
Specifically, one venting channels are equivalent to the series connection of resistance-inductance for sound according to electromechanical-acoustic analogy, formed
Impedance are as follows:
Z=R+jω * L', wherein R indicates that resistance, L' indicate that inductance, ω indicate angular speed.
It follows that the sound of different frequency can specifically be passed through by having different degrees of decaying after venting channels 6
The dimensional parameters of venting channels 6 are set, the sound attenuating after making to enter to venting channels 6 within a preset range, so as to recognize
It not will form second for MIC into sound channel for the venting channels 6, do not influence MIC performance, and can also ensure ventilation
It channel 6 being capable of air pressure between active balance MIC cavity 51 and inner cavity.
Wherein, as shown in fig. 6, for conventional wearable device, the present embodiment is under different size venting channels 6 pair
The frequency response of MIC is emulated, and corresponding MIC frequency response simulation curve is obtained, it is seen then that when the corresponding decaying of venting channels 6 is greater than
When 20dB, it is believed that venting channels 6 not will form second into sound channel for MIC, and the influence to MIC performance can be ignored.Its
In, the long L of venting channels size, width W and high H in Fig. 6 are specifically referred to Fig. 7, certainly, when venting channels 7 are bending,
The length of venting channels is length corresponding with axial curve in venting channels.
Certainly, different for the lower limit value of the wearable device preset range of different model, such as the lower limit of preset range
Value also can be set to 15dB, and the upper and lower bound specific value of the preset range in the present embodiment can be according to wearable device
Concrete condition is configured, and the present embodiment does not do particular determination.
In addition, 6 length of venting channels it is longer or setting one venting channels 6 be difficult to make the first waterproof in a short time
When 3 two sides air pressure of film reaches balance, a plurality of venting channels 6 can be set, specifically can be set two, two venting channels 6 can
It to be arranged in the same device, also can be set in different devices, such as be arranged in support construction 2, or
It is arranged in sealing structure 4 or one is arranged in support construction 2, another is arranged in sealing structure 4.Specifically, being
Reduction technique manufacture difficulty and ensure that two venting channels 6 have preferable consistency, two venting channels 6 can be carried out
It is symmetrical arranged, such as two venting channels 6 are arranged at support construction 2 or are arranged in sealing structure 4, and two ventilations
Channel 6 be located at be located at it is same diametrically.
It should also be noted that, the size of each venting channels 6, parameter information are equal when a plurality of venting channels 6 are arranged
Needing to meet makes the voice signal being passed to from the second end of venting channels 6 decay when being transmitted to the first end of venting channels 6 by force
Angle value within a preset range, thus ensure MIC into sound path unicity.In addition, the quantity of venting channels 6 in practical applications
It can be determined according to actual needs, the present embodiment does not do particular determination.
As it can be seen that the first waterproof membrane palette of the acoustic seal structure in the present invention is in support construction side, MIC passes through
Sealing structure is arranged on the other side of support construction, makes to form MIC cavity between the first waterproof membrane and MIC, and supporting
It is equipped with venting channels inside inside configuration or sealing structure or between support construction and sealing structure, and the of venting channels
One end is connected to the inner cavity of MIC cavity, second end connection shell, can be when the air pressure of MIC cavity increases, by MIC inside cavity
Gas exported by venting channels to the inner cavity of shell, and inner cavity can be by the second waterproof membrane and extraneous to carry out air pressure flat
Weighing apparatus, to prevent the first waterproof membrane from generating Non-Linear Vibration, improves MIC so that the air pressure of the first waterproof membrane two sides be made to keep balance
Acoustical behavior and equipment sound quality.
On the basis of the above embodiments, present invention also provides a kind of wearable devices, including sound as described above
Learn sealing structure.Wherein, which is specifically as follows the intelligence that smartwatch, functional bracelet etc. are worn on user's wrist
It can electronic equipment.
It should be noted that the wearable device in the present embodiment with above-mentioned acoustic seal structure is in user's use process
In can ensure that the air pressure of the first waterproof membrane two sides in acoustic seal structure keeps balance, prevent the first waterproof membrane from heaving and producing
Raw Non-Linear Vibration, improves the acoustical behavior of MIC, to improve the acoustical quality of wearable device.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of acoustic seal structure of wearable device, including shell, the support construction being set at the shell sound inlet,
Palette in first side of support construction the first waterproof membrane, pass through second side knot of sealing structure and the support construction
The MIC of conjunction, the support construction are equipped with sound penetrating hole corresponding with the sound inlet, which is characterized in that and it further include venting channels, institute
The first end for stating venting channels is connected to MIC cavity, second end is connected to the inner cavity of the shell, and the shell is equipped with connection
The inner cavity and extraneous venthole and the second waterproof membrane being set at the venthole, wherein the MIC cavity is institute
The seal cavity between MIC and first waterproof membrane is stated, the venting channels are located in the support construction or are located at institute
It states inside sealing structure or between the support construction and the sealing structure.
2. the acoustic seal structure of wearable device according to claim 1, which is characterized in that the of the venting channels
One end is flushed with the inner wall of the MIC cavity.
3. the acoustic seal structure of wearable device according to claim 1, which is characterized in that the support construction and institute
It states and is equipped with the first double-sided adhesive between sealing structure.
4. the acoustic seal structure of wearable device according to claim 3, which is characterized in that the venting channels setting
In first double-sided adhesive.
5. the acoustic seal structure of wearable device according to claim 1, which is characterized in that first waterproof membrane with
The second double-sided adhesive is equipped between the support construction and between the support construction and the shell.
6. according to claim 1 to the acoustic seal structure of wearable device described in 5 any one, which is characterized in that described
The size of venting channels is preset value, so that the voice signal being passed to from the second end of the venting channels is being transmitted to described lead to
Decay intensity value is within a preset range when the first end in gas channel.
7. the acoustic seal structure of wearable device according to claim 6, which is characterized in that the venting channels are more
Item.
8. the acoustic seal structure of wearable device according to claim 6, which is characterized in that the venting channels are flat
It is flat-shaped.
9. a kind of wearable device, which is characterized in that including the acoustic seal structure as described in claim 1-8 any one.
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| JP2010041671A (en) * | 2008-08-08 | 2010-02-18 | Uetax Corp | Speaker |
| CN107925806A (en) * | 2015-08-21 | 2018-04-17 | 阿莫绿色技术有限公司 | Audio device |
| CN108882066A (en) * | 2018-05-31 | 2018-11-23 | 出门问问信息科技有限公司 | Audio frequency apparatus and wrist-watch |
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