CN109743660A - The decoupling method of capability conflicts between a kind of sealing structure and voice communication - Google Patents
The decoupling method of capability conflicts between a kind of sealing structure and voice communication Download PDFInfo
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- CN109743660A CN109743660A CN201910012844.0A CN201910012844A CN109743660A CN 109743660 A CN109743660 A CN 109743660A CN 201910012844 A CN201910012844 A CN 201910012844A CN 109743660 A CN109743660 A CN 109743660A
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- aluminizing
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Abstract
The present invention provides a kind of decoupling methods of capability conflicts between sealing structure and voice communication, it is installed in acoustics cavity components using two-sided Kapton of aluminizing as secondary concussion waterproof acoustic membrane, the described method includes: the two-sided Kapton of aluminizing to be cut into the block of twice acoustic cavity bulk area, the two-sided Kapton block of aluminizing cut is tightly layered on the mounting surface of acoustics cavity again, the two-sided Kapton of aluminizing described in finger flattening-out, acoustics cavity is glued again and is pressed in two-sided aluminize in Kapton block, after being screwed acoustics cavity, unclamp finger, finally the extra two-sided Kapton rim charge of aluminizing in acoustics cavity installation faying face periphery is prescinded with doctor blade.Present invention is particularly suitable for the contradictory problems of all sealing structures and human ear call bass transfer performance.
Description
Technical field
The present invention relates to sealing structures and acoustic enviroment technical field, more particularly to a kind of two-sided Kapton of aluminizing
Application method as anti-marine acoustics film.
Background technique
Microwave ranger is the equipment made carrier wave using microwave and carry out precise distance measurement, in addition to can be with two measurement point of precise measurement
The distance between except, also have the function of duplex call.Acoustics cavity construction package is that microwave ranger is held in telephony unit
Call component.It is that electric signal is changed into acoustical signal by loudspeaker that other side's voice is received in call, and audio power makes
Diaphragm vibration is simultaneously empathized and sounding with the air of surrounding, and sound allows ear to hear by propagating.Speaker is used for reference herein
Principle, solve the problems, such as that work under complicated weather conditions sound quality of conversing of microwave ranger is undesirable.
At acoustics cavity module development initial stage, to guarantee product in the complex environments condition such as wet weather, dust, electromagnetic interference
Lower normal work, take by interiors of products environment by silastic sealing strip be fully sealed in the way of, and this sealing structure
The mode sound that makes to converse loses medium --- the air of transmitting.It is faced with a problem at this time: acoustics cavity construction package
Sealing structure is better, and call performance effect is poorer.How the sealing of component is solved in the case where not influencing call performance
Problem, selects suitable waterproofing membrane material and assembly technology is the key link for completing acoustics cavity module development, we use
Common waterproof ventilative material is assembled in acoustics cavity components, has carried out the test of corresponding acoustics and environmental performance.
One, traditional " umbrella cloth " communication performance decline
Usually used umbrella cloth fabric is " polyester pongee " and " spinning of spring Asia ".Fabric (is generally used by waterproof coating processing
PVC glue does coating material), reform into waterproof umbrella cloth.The sealing of initial acoustics cavity components is using umbrella cloth come close
Envelope.As shown in Figure 1, umbrella cloth to be pressed on to the installation site of product shell using plastics press box, then in installation seam crossing
It is sealed using 5140 sealed silicones.There is marine glue processing on umbrella cloth, leakproofness is preferable.But use this structure, diaphragm
It is poor to vibrate, and the call sound of acoustics cavity components is too small, and human ear can not almost be differentiated, and affects call performance.
Two, mobile phone waterproof dustcloth is drenched with rain less effective
Mobile phone waterproof dustcloth is made of terylene or silks and satins, technical maturity, beauty, has certain gas permeability, such as Fig. 2 institute
Show, is then sealed in installation seam crossing using 5140 sealed silicones.After this time adjusts, the call matter of acoustics cavity components
Amount, which has, to be significantly improved, and operator can be with normal talking, but product is when carrying out environmental test, is 70 degree by temperature
Salt fog test is transferred to after being lasted for hot test in 4 hours.In salt fog test, due to temperature difference cataclysm, so that interiors of products pressure
There is the phenomenon that rain penetration lower than the fine and close gas permeability of external atmospheric pressure and water proof and dust proof cloth in power, internal mechanism into
Water.
Summary of the invention
When having present invention aim to address product compared with high sealing performance requirement and the requirement of preferable human ear call performance, two
The problem of person's performance couples.To solve the above problems, the present invention is used as concussion film using a kind of film, it will be in loudspeaker cavity components
Again by air borne into extraneous human ear after the secondary concussion of the bass of loudspeaker.
The present invention is realized especially by following technical solution:
The decoupling method of capability conflicts between a kind of sealing structure and voice communication, the method is by two-sided Kapton of aluminizing
It is installed in acoustics cavity components as secondary concussion waterproof acoustic membrane, which comprises by the two-sided polyamides Asia of aluminizing
Amine film is cut into the block of twice acoustic cavity bulk area, then the two-sided Kapton block of aluminizing cut is tightly spread
On the mounting surface of acoustics cavity, the two-sided Kapton of aluminizing described in finger flattening-out, then by acoustics cavity it is viscous be pressed in it is double
Face is aluminized in Kapton block, after being screwed acoustics cavity, is unclamped finger, is finally prescinded institute with doctor blade
State the extra two-sided Kapton rim charge of aluminizing in acoustics cavity installation faying face periphery.
As a further improvement of the present invention, acoustics cavity is glued with 5140 silica gel and is pressed in two-sided Kapton of aluminizing
In block.
As a further improvement of the present invention, the method also includes: with equipped with 5140 silicone fluids injector for medical purpose will
All installation joint seals, glue were fully cured at 12 hours or so.
As a further improvement of the present invention, the screw is flat head screw.
As a further improvement of the present invention, being screwed acoustics cavity is specially to be screwed acoustics cavity
On press box.
As a further improvement of the present invention, water proof and dust proof cloth is installed in the other side of the press box.
The present invention separately provides a kind of acoustics cavity, and the acoustics cavity includes horn chamber, loudspeaker, two-sided polyimides of aluminizing
Film；Loudspeaker are mounted in the horn chamber of acoustics cavity, then two-sided Kapton of aluminizing is glued and is pressed in acoustics cavity
Mounting surface on.
As a further improvement of the present invention, the acoustics cavity further includes press box and water proof and dust proof cloth, by the acoustics
Cavity is fixed on press box, and the water proof and dust proof cloth is mounted on the other side of press box.
As a further improvement of the present invention, there is about 2mm between the projecting surface of loudspeaker and two-sided Kapton of aluminizing
Gap.
As a further improvement of the present invention, the acoustics cavity construction package is installed to the installed position of shell,
Acoustics cavity components should be higher than that sound channel mouth 2mm in the mounting surface of shell installation site.
The beneficial effects of the present invention are: the of the invention good waterproofness having and the secondary biography to low frequency human ear conversation voice
The property led solves the Product Terminal contradiction with higher sealing structure performance requirement and the requirement of human ear call function.
Detailed description of the invention
Fig. 1 is using structural schematic diagram of the umbrella cloth as waterproof acoustic membrane；
Fig. 2 is individually using structural schematic diagram of the water proof and dust proof cloth as waterproof acoustic membrane；
Fig. 3 is that the present invention uses two-sided Kapton of aluminizing to combine the structure as waterproof acoustic membrane with water proof and dust proof cloth
Schematic diagram.
Specific embodiment
The present invention is further described for explanation and specific embodiment with reference to the accompanying drawing.
To solve the problems, such as that sealing performance and the coupling of human ear call performance, the present invention are used as concussion film using a kind of film,
By after the secondary concussion of the bass of loudspeaker in loudspeaker cavity components again by air borne into extraneous human ear.The film must expire
Foot:
1) sufficiently thin, to guarantee the conversion between mechanical energy and sound energy；
It 2) can high-low temperature resistant (70 DEG C of -40 DEG C~﹢)；
3) there is good waterproof performance；
4) with acoustic vibration, need to there are preferable mechanical strength and service life；
5) there is the requirement such as good electric conductivity, provide electromagnetic shielding for acoustics cavity, guarantee that complete machine passes through EMC test.
Inventors have found that the Kapton aluminized is to be synthesized by pyromellitic acid anhydride with 4.4- diaminodiphenyl ether
Made of resin is processed, there is excellent resistant of high or low temperature, electric insulating quality, radiation resistance, resistance to medium.Aluminizer is existing
The characteristic of plastic film, and the characteristic with metal.It is mainly used for electronics industry, electric adhesive tape industry, aerospace industry
Equal fields.
According to characteristic it is known that two-sided Kapton of aluminizing is a kind of excellent water-proof sound-transmitting material, most thin and thick
Degree is conducive to the conversion of mechanical energy and sound energy, has good acoustic characteristic up to 25 μm；It can be at -269 °C~260 °C
It is used for a long time in temperature range, ensure that high/low temperature requirement；It is synthetic resin, the waterproofness with plastics；In addition, having conduction
Property, it can make acoustic cavity body component that there is preferable electromagnetic shielding characteristic.
The present invention is installed to the acoustic cavity of product using two-sided Kapton of aluminizing as secondary concussion waterproof acoustic membrane
In body component, concrete technology is:
A, two-sided Kapton of aluminizing is cut into the block of twice acoustic cavity bulk area, then double by what is cut
Face is aluminized Kapton block, is tightly layered on the housing mounting surface of acoustics cavity, with the two-sided polyamides Asia of aluminizing of finger flattening-out
Amine film, then by acoustics cavity with 5140 silica gel it is viscous be pressed in it is two-sided aluminize in Kapton block, with the tack of 2-3 × 6
After screw fixes acoustics cavity, finger is unclamped, it is extra finally to prescind acoustics cavity installation faying face periphery with doctor blade
Two-sided Kapton rim charge of aluminizing.
B, with the injector for medical purpose equipped with 5140 silicone fluids by all installation joint seals, glue is complete at 12 hours or so
All solidstate.
The acoustics cavity body structure combined using two-sided Kapton of aluminizing with mobile phone waterproof dustcloth of the invention
Component, as shown in figure 3, including horn chamber 1, loudspeaker 2, two-sided Kapton 3 of aluminizing, press box 4, water proof and dust proof cloth 5.By loudspeaker
2 be mounted in the horn chamber 1 of acoustics cavity, then the two-sided viscous installation for being pressed in acoustics cavity of Kapton 3 of aluminizing
On face.Acoustics cavity is fixed on press box, increases the reliability of system, water proof and dust proof using mobile phone waterproof dustcloth when necessary
Cloth 5 is mounted on the other side of press box.
There should be the gap of about 2mm between the projecting surface of loudspeaker 2 and two-sided Kapton 3 of aluminizing.Acoustics is formed in this way
Cavity body structure component, then acoustics cavity construction package is installed to the installed position of shell, acoustics cavity components are pacified in shell
The mounting surface of holding position should be higher than that sound channel mouth 2mm, both ensure that inside and outside two sides was all for two-sided Kapton of aluminizing in this way
It can be contacted with air, in favor of two-sided Kapton resonance of aluminizing.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
For those of ordinary skill in the art, without departing from the inventive concept of the premise, if can also make
Simple deduction or replace are done, all shall be regarded as belonging to protection scope of the present invention.
Claims (10)
1. the decoupling method of capability conflicts between a kind of sealing structure and voice communication, it is characterised in that: the method is by two-sided plating
Aluminium Kapton is installed in acoustics cavity components as secondary concussion waterproof acoustic membrane, which comprises will be described
Two-sided Kapton of aluminizing is cut into the block of twice acoustic cavity bulk area, then the two-sided polyamides Asia of aluminizing that will be cut
Amine film block is tightly layered on the mounting surface of acoustics cavity, the two-sided Kapton of aluminizing described in finger flattening-out, then by sound
Learn cavity it is viscous be pressed in it is two-sided aluminize in Kapton block, after being screwed acoustics cavity, unclamp finger, finally use
Doctor blade prescinds the extra two-sided Kapton rim charge of aluminizing in acoustics cavity installation faying face periphery.
2. according to the method described in claim 1, it is characterized by: with 5140 silica gel by acoustics cavity it is viscous be pressed in it is two-sided aluminize it is poly-
In imide membrane block.
3. according to the method described in claim 1, it is characterized by: the method also includes: be equipped with 5140 silicone fluids doctor
With syringe by all installation joint seals, glue was fully cured at 12 hours or so.
4. according to the method described in claim 1, it is characterized by: the screw is flat head screw.
5. according to the method described in claim 1, it is characterized by: being screwed acoustics cavity is specially by acoustics cavity
It is screwed on press box.
6. according to the method described in claim 5, it is characterized by: installing water proof and dust proof cloth in the other side of the press box.
7. a kind of acoustics cavity based on method according to claim 1-6 production, it is characterised in that: the sound
Learning cavity includes horn chamber, loudspeaker, two-sided Kapton of aluminizing, press box, water proof and dust proof cloth；Loudspeaker are mounted on acoustic cavity
In the horn chamber of body, then two-sided Kapton of aluminizing is glued and is pressed on the mounting surface of acoustics cavity.
8. acoustics cavity according to claim 7, it is characterised in that: the acoustics cavity further includes press box and water proof and dust proof
The acoustics cavity is fixed on press box by cloth, and the water proof and dust proof cloth is mounted on the other side of press box.
9. acoustics cavity according to claim 7, it is characterised in that: the projecting surface of loudspeaker and two-sided polyimides of aluminizing are thin
There is the gap of about 2mm between film.
10. acoustics cavity according to claim 7, it is characterised in that: the acoustics cavity construction package is installed to shell
The installed position of body, acoustics cavity components should be higher than that sound channel mouth 2mm in the mounting surface of shell installation site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012844.0A CN109743660A (en) | 2019-01-07 | 2019-01-07 | The decoupling method of capability conflicts between a kind of sealing structure and voice communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012844.0A CN109743660A (en) | 2019-01-07 | 2019-01-07 | The decoupling method of capability conflicts between a kind of sealing structure and voice communication |
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| CN109743660A true CN109743660A (en) | 2019-05-10 |
Family
ID=66363690
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| CN201910012844.0A Pending CN109743660A (en) | 2019-01-07 | 2019-01-07 | The decoupling method of capability conflicts between a kind of sealing structure and voice communication |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378093A (en) * | 2011-10-31 | 2012-03-14 | 歌尔声学股份有限公司 | Silicon microphone |
| CN104954932A (en) * | 2014-03-28 | 2015-09-30 | 美律电子（惠州）有限公司 | Waterproof film and electronic device with same |
| US20160378142A1 (en) * | 2015-06-23 | 2016-12-29 | Apple Inc. | Liquid-resistant acoustic device gasket and membrane assemblies |
| CN208112948U (en) * | 2018-04-20 | 2018-11-16 | 深圳市东方亮彩精密技术有限公司 | A kind of Novel receiver Air Filter |
-
2019
- 2019-01-07 CN CN201910012844.0A patent/CN109743660A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378093A (en) * | 2011-10-31 | 2012-03-14 | 歌尔声学股份有限公司 | Silicon microphone |
| CN104954932A (en) * | 2014-03-28 | 2015-09-30 | 美律电子（惠州）有限公司 | Waterproof film and electronic device with same |
| US20160378142A1 (en) * | 2015-06-23 | 2016-12-29 | Apple Inc. | Liquid-resistant acoustic device gasket and membrane assemblies |
| CN208112948U (en) * | 2018-04-20 | 2018-11-16 | 深圳市东方亮彩精密技术有限公司 | A kind of Novel receiver Air Filter |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |
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| RJ01 | Rejection of invention patent application after publication |