CN208691542U - A kind of transparent vibration film - Google Patents
A kind of transparent vibration film Download PDFInfo
- Publication number
- CN208691542U CN208691542U CN201821221662.1U CN201821221662U CN208691542U CN 208691542 U CN208691542 U CN 208691542U CN 201821221662 U CN201821221662 U CN 201821221662U CN 208691542 U CN208691542 U CN 208691542U
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- spray coating
- resin
- vibration film
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a kind of transparent vibration films, are related to sounding device technical field；The transparent vibration film includes that screening spray coating and supporting layer, the screening spray coating are coated on the upper surface of supporting layer；The screening spray coating is the resin multi-layer vibrating diaphragm being mixed to form with PET resin, esters solvent, ketones solvent and aluminum paste or the screening spray coating is the resin multi-layer vibrating diaphragm being mixed to form with PET resin, esters solvent, ketones solvent and copper gold paste；The material of the supporting layer is any one in PET, PEN, PEI, PEEK；The beneficial effects of the utility model are: improving the sound quality of medium-high frequency, good acoustic characteristic performance is shown in high-frequency range, meets the needs of market.
Description
Technical field
The utility model relates to sounding device technical fields, more specifically, the utility model relates to a kind of transparent vibration films.
Background technique
In recent years, mobile phone, laptop, electronic notebook, electronic clock, number are set according to as electronics such as machine or game machines
It is standby to be generally configured with audio function, in the enclosure interior for the electronic equipment for having audio function, it is configured with loudspeaker and buzzing piece etc.
Sounding device or microphone receive part etc., and existing product requires sound quality original former high, original single-layer PET/PEI/PEEK/
The materials such as PEN are difficult to meet the market demand.
Summary of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of transparent vibration film, can by the transparent vibration film
The sound quality for promoting medium-high frequency sound shows good acoustic characteristic performance.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of transparent vibration film, improvements exist
In: the upper surface of supporting layer is coated on including hiding spray coating and supporting layer, the screening spray coating；The screening spray coating be with
The resin multi-layer vibrating diaphragm or the screening spray coating that PET resin, esters solvent, ketones solvent and aluminum paste are mixed to form
For the resin multi-layer vibrating diaphragm being mixed to form with PET resin, esters solvent, ketones solvent and copper gold paste；The material of the supporting layer
Matter is any one in PET, PEN, PEI, PEEK.
In such a configuration, the resin multi-layer vibrating diaphragm with a thickness of 2-4um.
In such a configuration, the resin multi-layer vibrating diaphragm with a thickness of 3um.
The beneficial effects of the utility model are: the transparent vibration film of the utility model, there is significantly the sound of 2.5K-5KHz
1-6dB is promoted, 1-10dB is obviously improved to the sound of 7K-20KHz, so that the sound quality of medium-high frequency is improved, in high frequency model
It encloses and shows good acoustic characteristic performance, meet the needs of market.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional structure schematic diagram of transparent vibration film of the utility model.
Fig. 2 is a kind of top view of transparent vibration film of the utility model.
Fig. 3 is a kind of flow diagram of the manufacture craft of transparent vibration film of the utility model.
Fig. 4 is a kind of acoustic characteristic figure of transparent vibration film of the utility model.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being related in patent, not singly refer to that component directly connects, and referring to can be according to specific
Performance, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each skill in the utility model creation
Art feature, can be with combination of interactions under the premise of not conflicting conflict.
Shown in referring to Fig.1, the utility model discloses a kind of transparent vibration film, specifically, the transparent vibration film includes hiding spraying
Layer 10 and supporting layer 20, the screening spray coating 10 are coated on the upper surface of supporting layer 20；In the present embodiment, screening spray
Coating 10 is the resin multi-layer vibrating diaphragm to spray formation after the mixing of PET resin, esters solvent, ketones solvent and aluminum paste, when
So, in other examples, the screening spray coating 10 can also be with PET resin, esters solvent, ketones solvent and copper
The resin multi-layer vibrating diaphragm of formation is sprayed after gold paste mixing；The resin multi-layer vibrating diaphragm with a thickness of 2-4um, it is preferable that resin
Multilayer vibrating diaphragm with a thickness of 3um, to take into account waterproofness and sound transparency.Coloring treatment can be implemented in resin multi-layer vibrating diaphragm, and resin is more
Layer vibrating diaphragm mainly shows transparent white white with yolk；Therefore, real to resin multi-layer vibrating diaphragm according to the color of sounding device shell
Coloring treatment is applied, thus, it is possible to realize in the eye-catching multilayer vibrating diaphragm being configured on shell.In addition, resin multi-layer vibrating diaphragm can be into
The more liquid repellent processing of row, in this case, can be realized water repellency and the excellent resin multi-layer vibrating diaphragm of oil repellent.Such resin is more
Layer vibrating diaphragm is suitable for having the purposes such as the entrant sound vibrating diaphragm of waterproofness.Liquid repellent is handled and can be realized by well known method, liquid repellent
Liquid repellent agent used in processing is not particularly limited, typically the material containing the polymer with perfluoroalkyl.
Further, the supporting layer 20 is played a supporting role, any one in material PET, PEN, PEI, PEEK
Kind；That is, the material of supporting layer 20 is preferably hot elastomer.For example, when the hot elastomer is the poly- terephthaldehyde of PET(
Sour glycol ester) when, chemical formula COC6H4COOCH2CH2O, exchanged by dimethyl terephthalate (DMT) with glycol ester or with
Terephthalic acid (TPA) and ethylene glycol esterification first synthesize bishydroxyethyl terephthalate, then carry out polycondensation reaction again and are made.Belong to crystallization
Type saturated polyester is milky or light yellow, highly crystalline polymer, and smooth surface is glossy；It is common one in life
Kind resin, can be divided into APET, RPET and PETG.For example, when the hot elastomer is PEI(polyetherimide) when, PEI
For amber transparent solid, there are intrinsic anti-flammability and low smoke intensity, oxygen index (OI) 47%, burning etc. without adding any additive
Grade is UL94-V-0 grades, density 1.28-1.42g/cm3；PEI has very strong high-temperature stability, even non-reinforcing type
PEI still has good toughness and intensity.When the hot elastomer is PEEK(polyether-ether-ketone) when, PEEK is a kind of property
The excellent special engineering plastics of energy, have more significant advantages, resistance to 260 degree of positive high temperature, machine compared with other special engineering plastics
Tool is had excellent performance, self-lubrication is good, chemicals-resistant burn into is fire-retardant, peel resistance, wearability, intolerant to the strong nitric acid, concentrated sulfuric acid, anti-
Radiation, it is scientific and technological that superpower mechanical performance can be used for high-end machinery, nuclear engineering and aviation etc..When the hot elastomer is
PEN(polyethylene naphthalate) when, it is by 2,6-naphthalenedicarboxylic acid dimethyl ester that PEN, which is one of important member in polyester family,
(NDC) or 2,6-naphthalenedicarboxylic acid (NDA) is formed with ethylene glycol (EG) polycondensation, is a kind of emerging smart polymeric；Its chemistry knot
Structure is similar to PET, the difference is that PEN is by the bigger naphthalene nucleus of rigidity instead of the phenyl ring in PET in strand；Naphthalene ring
Make PEN ratio PET that there is higher physical mechanical property, gas barrier property, chemical stability and heat-resisting, UV resistant, resistance to spoke
The performances such as penetrate.
As shown in figure 3, in the present embodiment, the utility model further discloses a kind of manufacture craft of transparent vibration film, pass through
Above-mentioned transparent vibration film can be made in the technique, specifically, the manufacture craft of the transparent vibration film includes the following steps:
A, the material selection and production of supporting layer 20 chooses any one in PET, PEN, PEI, PEEK as supporting layer
20 material heats depanning on depanning machine and forms supporting layer 20；
In the present embodiment, if the material chosen is PET, the heating temperature in depanning machine is 260 DEG C -300 DEG C；If choosing
Material is PEN, and the heating temperature in depanning machine is 340 DEG C -400 DEG C；If the material chosen is PEI, the heating temperature in depanning machine
Degree is 120 DEG C -210 DEG C；If the material chosen is PEN, the heating temperature in depanning machine is 320 DEG C -390 DEG C；
B, the production for hiding spray coating chooses PET resin 70%, esters solvent 10%, ketones solvent 5%, copper gold according to weight ratio
It is stirred evenly after 15% mixing of slurry, forms mixture, mixture is repeatedly sprayed using spray gun, makes the resin multi-layer to be formed
Vibrating diaphragm is pasted on supporting layer, control resin multi-layer vibrating diaphragm with a thickness of 2-4um, the area ratio of resin multi-layer vibrating diaphragm and supporting layer
For 0.508:1；After heating thereafter through oven to transparent vibration film, keep it naturally solid；
C, 3M gluing is attached on the resin multi-layer vibrating diaphragm of screening spray plane of transparent vibration film, is pullled, passed through by finished product test
It is qualified product that continuous 10 times, which are pullled rear resin multi-layer vibrating diaphragm and do not fallen off, is otherwise defective products；
D, the transparent vibration film of finished product is put into constant temperature and moisture test machine and carries out the high and low temperature test by the high and low temperature test, test
Temperature is 65 DEG C, humidity 85%-90%, and follow-on test 96h is observed after placing 1h, goes the screening of viscous transparent vibration film to spray by double-sided adhesive
Face is allowed to nothing and falls paint；Hereafter, transparent vibration film is put into constant temperature and moisture test machine again and carries out low-temperature test, test temperature
Degree is -30 DEG C, humidity 85%-90%, and follow-on test 96h is observed after placing 1h, goes the screening of viscous transparent vibration film to spray by double-sided adhesive
Face is allowed to nothing and falls paint；
E, loudspeaker are tested, and transparent vibration film is packed into loudspeaker, is tested, if bad without noise, short echo, vibrating diaphragm,
It is otherwise defective products for non-defective unit；In the present embodiment, the outer diameter of the loudspeaker of selection is 50mm, and rated impedance is 32 Ω；Sweep velocity
3s-5s, the resonance frequency of audio signal are 50-10KHz；By test, loudspeaker frequency response curve disposable test figure is formed, at this time
1KHz ± 3dB meets the requirements；It tests to form loudspeaker distortion disposable test figure by THD, 1KHz≤1%, conforms at this time
It asks.
As shown in figure 4, being the acoustic characteristic figure of vibrating diaphragm, wherein underlying broken line is when not spraying to hide spray coating 10
The acoustic characteristic line of vibrating diaphragm, the broken line being located above are that spraying hides the acoustic characteristic line after spray coating 10.After test analysis
It learns, the transparent vibration film of the utility model, 1-6dB is obviously improved to the sound of 2.5K-5KHz, to the sound of 7K-20KHz
It is obviously improved 1-10dB, to improve the sound quality of medium-high frequency, good acoustic characteristic performance is shown in high-frequency range, it is full
The demand in sufficient market.
It is to be illustrated to the preferable implementation of the utility model, but the utility model creation is not limited to institute above
Embodiment is stated, those skilled in the art can also make various be equal without departing from the spirit of the present invention
Deformation or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (3)
1. a kind of transparent vibration film, it is characterised in that: be coated on supporting layer including hiding spray coating and supporting layer, the screening spray coating
Upper surface；The screening spray coating is the resin being mixed to form with PET resin, esters solvent, ketones solvent and aluminum paste
Multilayer vibrating diaphragm or the screening spray coating are mixed to form with PET resin, esters solvent, ketones solvent and copper gold paste
Resin multi-layer vibrating diaphragm；The material of the supporting layer is any one in PET, PEN, PEI, PEEK.
2. a kind of transparent vibration film according to claim 1, it is characterised in that: the resin multi-layer vibrating diaphragm with a thickness of 2-
4um。
3. a kind of transparent vibration film according to claim 1, it is characterised in that: the resin multi-layer vibrating diaphragm with a thickness of
3um。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821221662.1U CN208691542U (en) | 2018-07-31 | 2018-07-31 | A kind of transparent vibration film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821221662.1U CN208691542U (en) | 2018-07-31 | 2018-07-31 | A kind of transparent vibration film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208691542U true CN208691542U (en) | 2019-04-02 |
Family
ID=65883131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821221662.1U Active CN208691542U (en) | 2018-07-31 | 2018-07-31 | A kind of transparent vibration film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208691542U (en) |
-
2018
- 2018-07-31 CN CN201821221662.1U patent/CN208691542U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110294857B (en) | Synergistic enhanced electromagnetic shielding film and preparation method thereof | |
| CN101235201B (en) | Method for preparing polyimide nano composite thin film | |
| CN104512075B (en) | Release layer, substrate structure and flexible electronic element process | |
| CN102630126B (en) | Compound double-side copper clad laminate and manufacturing method thereof | |
| EP3006209B1 (en) | Insulated coating material and use of same | |
| CN108454192A (en) | PI type high-frequency high-speed transmission Double-sided copper clad laminates and preparation method thereof | |
| CN208691542U (en) | A kind of transparent vibration film | |
| CN107272092B (en) | A kind of warpage preventing diffusion barrier and preparation method thereof | |
| KR20190065229A (en) | Coverlay film | |
| CN104130289B (en) | Vinylated phosphazene compound and application and preparation method thereof | |
| KR101326266B1 (en) | Method for producing conductive non-woven fabric and Multi-fuctional Electro Magnetic Interference shield tape using conductive non-woven fabric | |
| CN106162450A (en) | A kind of vibrating diaphragm and preparation method thereof | |
| CN110471209A (en) | Substrate, production method and display panel | |
| WO2021082164A1 (en) | High-frequency, low-loss, adhesive-free flexible copper clad laminate and manufacturing method thereof | |
| CN115884995A (en) | Film | |
| CN108882501A (en) | Combined type LCP high-frequency high-speed FRCC substrate and preparation method thereof | |
| CN110784808A (en) | Transparent vibrating diaphragm and manufacturing process thereof | |
| CN106060721B (en) | Vibrating diaphragm and coating method thereof | |
| CN108102569B (en) | Ultrathin covering film for flexible circuit board and preparation method thereof | |
| CN202276545U (en) | High-frequency substrate structure | |
| KR20050088245A (en) | Laminated film and method for producing same | |
| CN206908835U (en) | Vibrating diaphragm component and the acoustical generator provided with the vibrating diaphragm component | |
| CN217553369U (en) | High-strength PET composite board | |
| CN103009735B (en) | A kind of substrate and display unit | |
| CN204116635U (en) | A kind of novel sclerosis PET white reflection film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210106 Address after: 523000 area A5, Shichong Industrial Park, Shipai town, Dongguan City, Guangdong Province Patentee after: DONGGUAN DESHENG INDUSTRIAL Co.,Ltd. Address before: 523000 area A5, Shichong Industrial Park, Shipai town, Dongguan City, Guangdong Province Patentee before: Liu Hanbing |
|
| TR01 | Transfer of patent right |