CN218321215U - Display screen protective film in transport type airplane cabin - Google Patents
Display screen protective film in transport type airplane cabin Download PDFInfo
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- CN218321215U CN218321215U CN202222769634.6U CN202222769634U CN218321215U CN 218321215 U CN218321215 U CN 218321215U CN 202222769634 U CN202222769634 U CN 202222769634U CN 218321215 U CN218321215 U CN 218321215U
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Abstract
The utility model relates to a display screen protecting film in transportation class aircraft cabin, including the protecting film body, the protecting film body includes: first PET rete, second PET rete, cementation of fire retardant coating and from adsorption coating, wherein, cementation of fire retardant coating is located between first PET rete and the second PET rete, keeps away from one side of cementation of fire retardant coating from adsorption coating is located the second PET rete. The utility model discloses can anti-dazzle better clear reduction image color of antireflection, demonstrate good back-fire relief help and put out the effect in flame retardant test, can better protect outside striking to break, protect internal display screen to burst simultaneously and splash, have multiple functions concurrently.
Description
Technical Field
The utility model belongs to the technical field of aviation spare part technique and specifically relates to indicate a transportation class aircraft cabin display screen protecting film.
Background
Common display screen protective films are roughly of type 3: toughened film, ceramic film and thermoplastic film. Wherein, tempering membrane and ceramic membrane compressive property are relatively poor, receive external force to collide and can take place the breakage and splash, can not ensure that the passenger avoids the fragmentation injury, also can not ensure that aircraft passenger cabin does not have the residue, can not satisfy the airworthiness requirement that the installation used. The PET film-based base film is widely applied to mobile phone screen protection films and computer screen protection films due to mechanical property, thermal property, electrical property and environmental property, but the PET film is used as an airplane screen protection film to meet mandatory airworthiness requirements such as flame retardance, and the flame retardant problem is solved in the prior art by coating a flame retardant substance and silica gel on one side of a single-layer PET film after being prepared in a mixed mode or coating the flame retardant substance and hardened and hydrophobic and oleophobic substances on one side of the single-layer PET film after being prepared in a mixed mode. However, the coating prepared by mixing the flame retardant substance has the problem of reducing the integral transmittance and reflectivity of the protective film, and influences the definition and color vision of the display screen.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the present invention is to overcome the problem of color display of screen images caused by the flame retardant layer existing in the prior art.
In order to solve the technical problem, the utility model provides a display screen protecting film in transportation type aircraft cabin, including the protecting film body, the protecting film body includes:
a first PET film layer, a second PET film layer,
a second PET film layer is arranged on the first PET film layer,
the cementing flame-retardant coating is positioned between the first PET film layer and the second PET film layer;
and the self-adsorption coating is positioned on one side of the second PET film layer far away from the cementing flame-retardant coating.
The utility model discloses an in the embodiment, one side that glued flame retardant coating was kept away from to first PET rete is equipped with first from the type rete, and one side of keeping away from the second PET rete from the adsorption coating is equipped with the second from the type rete.
In an embodiment of the present invention, an antistatic coating is disposed between the first release film layer and the first PET film layer.
In an embodiment of the present invention, the antistatic coating is a coating made of silica gel or acid-free acrylic gel.
In an embodiment of the present invention, a scratch-resistant coating is disposed between the first release film layer and the first PET film layer.
In one embodiment of the utility model, the scratch-resistant coating is formed by compounding a transparent polyphenyl layer, a transparent polyether-ether-ketone layer and a transparent polyethylene layer.
In an embodiment of the utility model, be equipped with the low reflection coating between first PET rete and the second PET rete.
In one embodiment of the present invention, the cementitious flame retardant coating is a cementitious coating in which a flame retardant substance is dispersed.
In one embodiment of the present invention, the self-adsorbing coating is a silica gel coating.
In one embodiment of the present invention, the first PET film layer and the second PET film layer are colorless transparent films with transmittance > 94%.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the utility model provides a display screen protective film in a transportation type airplane cabin, which is a double-film interlayer flame-retardant structure consisting of a cementing flame-retardant coating, a first PET film layer and a second PET film layer, on one hand, the flame-retardant material can be prevented from influencing the performances of the protective film, such as light transmittance, reflectivity and the like, and the color of the display screen image is ensured to be clear; on the other hand, compared with the traditional single-layer structure which is difficult to meet the flame retardance requirement specified by CCAR25.853 (a), the double-layer structure shows good flame retardance and extinguishment assistance in a flame retardance test; on the other hand, the double-film interlayer flame-retardant structure is superior to the single-layer base film structure in tolerance strength, better prevents collision and breakage and prevents bursting and splashing, and is more beneficial to protecting passengers when accidents happen.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of a protective film for a display screen in a cabin of a transportation type airplane according to an embodiment of the present invention;
fig. 2 is a schematic view of the layer structure of the display screen protective film in the cabin of the transportation type airplane according to an embodiment of the present invention.
The specification reference numbers indicate: 1. a first PET film layer; 2. a second PET film layer; 3. cementing a flame-retardant coating; 4. an antistatic coating; 5. a scratch-resistant coating; 6. a low reflective coating; 7. a self-adsorbing coating; 8. a first release film layer; 9. a second release film layer; 10. a protective film body.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, the utility model discloses a display screen protecting film in transportation type aircraft cabin includes protecting film body 10, firstly leaves type rete 8 and second from type rete 9, for the convenience of protecting film body 10's packing and storage, is equipped with respectively in the both sides of protecting film body 10 firstly from type rete 8 and second from type rete 9. From type membrane has excellent peeling performance, can with the convenient separation of protective film body 10 during the use, wherein, according to CCAR 21-R4's regulation, the first side of leaving type rete 8 sets up the airworthiness sign. The pellicle body 10 includes: the coating comprises a first PET film layer 1, a second PET film layer 2, a glued flame-retardant coating 3 and a self-adsorption coating 7. The cementation flame retardant coating 3 is positioned between the first PET film layer 1 and the second PET film layer 2, and the self-adsorption coating 7 is positioned on one side, far away from the cementation flame retardant coating 3, of the second PET film layer 2. When the protective film body 10 is arranged as above, the first release film layer 8 is positioned on one side of the first PET film layer 1 far away from the cementing flame-retardant coating 3, and the second release film layer 9 is positioned on one side of the self-adsorption coating 7 far away from the second PET film layer 2.
The protective film for the display screen of the transportation airplane needs to meet the mandatory airworthiness requirements in various aspects such as flame retardance, falling adaptability and weather resistance, and also has the functions of scratch resistance, graffiti resistance, fingerprint resistance and the like. Thus, referring to fig. 2, most preferably, the pellicle body 10 comprises: the coating comprises a first PET film layer 1, a second PET film layer 2, a cementing flame-retardant coating 3, an antistatic coating 4, an anti-scratch coating 5, a low-reflection coating 6 and a self-adsorption coating 7. Wherein: the cementing flame-retardant coating 3 is obtained by dispersing flame-retardant substances in a cementing layer, the antistatic coating 4 is a coating made of silicon dioxide silica gel or acid-free acrylic adhesive, the scratch-resistant coating 5 is formed by compounding a transparent polyphenyl layer, a transparent polyether-ether-ketone layer and a transparent polyethylene layer, the low-reflection coating 6 is a nano coating made of antireflection film-plating liquid, and the self-absorption coating 7 is a silica gel coating.
On the one hand, the flame retardant substance is located between the first PET film layer 1 and the second PET film layer 2, and since the flame retardant substance can be coated on the PET film interlayer alone, the flame retardant substance is prevented from affecting the antistatic coating 4, the scratch resistant coating 5, the low reflection coating 6 and the self-absorption coating 7. On the other hand, the utility model provides a fire-retardant structure of two membrane intermediate layers has promoted fire behaviour greatly. Specifically, the self-extinguishing performance of the transparent silica gel of the self-adsorption coating 7 is difficult to meet the flame-retardant requirement specified in the CCAR25.853 (a) clause, if a conventional single-layer base film structure is adopted, the flame-retardant performance, the light transmission performance and the reflectivity cannot be considered at the same time, and when a double-film interlayer flame-retardant structure is adopted, the functional layers perform the performance of the flame-retardant structure in a self-integrated manner, so that the double-film interlayer flame-retardant structure can play a better role in fire retardation and extinguishment assistance before the self-adsorption coating 7 is connected with fire, and the overall flame-retardant performance of the product is improved. On the other hand, arrange fire-retardant material in from adsorbed layer, antistatic layer or anti protective film in scraping the layer for the tradition, the utility model discloses a protective film has avoided fire-retardant material to reduce from the adhesive force of adsorbed layer transparent silica gel, better satisfies the load strength of airworthiness clause, has avoided reducing the correlation performance and the holistic optical property of protective film of sclerosis layer, hydrophobic oil-phobic layer simultaneously. Finally, the high-quality PET membrane of chooseing for use is as its substrate, tensile strength is good, elongation at break is high, therefore the fire-retardant structure of two membrane intermediate layers is superior to the tolerance intensity of individual layer base film structure, can prevent the striking better and break, and can effectively isolate the screen glass that the display screen bursts and splash and injure the passenger, can play the guard action of protection passenger better when meeting accident, especially the operation management and control in the cabin of giving the airline provides convenient effectual precautionary measure, avoid unnecessary operation cost, the airworthiness requirement of transportation class aircraft has further been satisfied.
The cementing layer is an OCA cementing layer and is prepared from a special adhesive which is colorless and transparent and has the light transmittance of more than 94 percent, wherein the dispersed flame retardant substance can be a halogen-free phosphorus flame retardant.
The self-adsorption coating 7 is a silica gel coating, the silica gel powder-shaped porous solid is provided with groups with adsorption effects, namely hydroxyl groups (adsorption centers) on the silica gel groups, after the second release film 9 is removed, the self-adsorption coating 7 is close to the mounting surface, and the silica gel coating provides enough adsorption capacity for the protective film body to enable the protective film body to be adsorbed on the mounting surface (display screen), so that the self-adsorption coating has self-adhesion property, the adsorption capacity meets the requirement of inertial load specified in CCAR25.561 clause, the installation is convenient, no trace is removed, and the maintenance workload of crew is reduced to the maximum extent.
Preferably, the antistatic coating 4 is a coating made of silica gel or acid-free acryl gel. The coating comprises a nano-material oleophobic hydrophobic structure, has antistatic performance, dust-free performance and an easy-to-clean anti-pollution self-cleaning function, can conveniently remove graffiti on display screens such as water pens, ball pens and color pens, recovers the normal use of the display screen of an airplane cabin entertainment system, avoids the problems of maintenance and airworthiness maintenance such as repair and troubleshooting caused by the graffiti on the display screen, avoids the operation cost generated from the above, and is favorable for passengers to experience better cabin service.
Preferably, the scratch-resistant coating 5 is formed by compounding a transparent polyphenyl layer, a transparent polyetheretherketone layer and a transparent polyethylene layer (not shown in the figure). The composite coating can form a hardening structure similar to glass, has the functions of scratch resistance, friction resistance and impact resistance, and can prevent the display screen of the passenger cabin from being directly damaged, incapacitated and damaged under the conditions of external force, hard objects and other abuse loads, and avoid the generation of unexpected operation cost.
Still include low reflection coating 6 between first PET rete 1 and the second PET rete 2, in the utility model discloses an embodiment, low reflection coating 6 is located the one side that self absorption coating 7 was kept away from to glued flame retardant coating 3.
The first PET film layer 1 and the second PET film layer 2 are colorless transparent films, the light transmittance is greater than 94%, the density is preferably 1.33-1.45g/cm, and the thickness is less than 50um.
The self-adhesive protective film for the display screen in the airplane cabin can be cut according to the shape and size of the display screen in each model of airplane cabin according to the condition, is suitable for being refitted and used by multi-model and multi-configuration display screens in the cabin and equipment thereof, and has good applicability.
The utility model discloses a performance parameter of display screen protecting film and corresponding detection method see the following table:
in summary, compared with the similar products, the self-adhesive protective film for the display screen in the aircraft cabin has the following advantages: AR protective film, silica gel protection film, blue light protection film have equal anti-dazzle anti-reflection clear vision, prevent protection functions such as bruise fish tail, fingerprint stain prevention, still possess the intensity characteristic and the fire behaviour that unique satisfied transportation type aircraft airworthiness requirement, have multiple safeguard function.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a display screen protecting film in transportation class aircraft cabin which characterized in that, includes the protecting film body, the protecting film body includes:
a first PET film layer is arranged on the first PET film layer,
a second PET film layer is arranged on the first PET film layer,
the glued flame-retardant coating is positioned between the first PET film layer and the second PET film layer;
and the self-adsorption coating is positioned on one side, far away from the glued flame-retardant coating, of the second PET film layer.
2. The transport aircraft inboard display screen protective film of claim 1, wherein: one side that the glued flame retardant coating was kept away from to first PET rete is equipped with firstly from the type rete, one side that the second PET rete was kept away from the adsorption coating is equipped with the second from the type rete.
3. The transport aircraft inboard display screen protective film of claim 2, wherein: an antistatic coating is arranged between the first release film layer and the first PET film layer.
4. The protective film for display screens in transport-type aircraft cabins according to claim 3, wherein: the antistatic coating is a coating made of silicon dioxide silica gel or acid-free acrylic gel.
5. The transport aircraft inboard display screen protective film of claim 2, wherein: and an anti-scraping coating is arranged between the first release film layer and the first PET film layer.
6. The transport aircraft inboard display screen protective film of claim 5, wherein: the scratch-resistant coating is formed by compounding a transparent polyphenyl layer, a transparent polyether-ether-ketone layer and a transparent polyethylene layer.
7. The transport aircraft inboard display screen protective film of claim 1, wherein: and a low-reflection coating is arranged between the first PET film layer and the second PET film layer.
8. The transport aircraft inboard display screen protective film of claim 1, wherein: the cemented flame-retardant coating is a cemented flame-retardant coating dispersed with flame-retardant substances.
9. The protective film for display screens in transport-type aircraft cabins according to claim 1, wherein: the self-adsorption coating is a silica gel coating.
10. The transport aircraft inboard display screen protective film of claim 1, wherein: the first PET film layer and the second PET film layer are colorless transparent films with light transmittance of more than 94%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222769634.6U CN218321215U (en) | 2022-10-20 | 2022-10-20 | Display screen protective film in transport type airplane cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222769634.6U CN218321215U (en) | 2022-10-20 | 2022-10-20 | Display screen protective film in transport type airplane cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218321215U true CN218321215U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222769634.6U Active CN218321215U (en) | 2022-10-20 | 2022-10-20 | Display screen protective film in transport type airplane cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218321215U (en) |
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- 2022-10-20 CN CN202222769634.6U patent/CN218321215U/en active Active
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