CN209427874U - Flexible Fresnel optical diaphragm transport structure - Google Patents

Abstract

It is especially a kind of to be related to the flexible Fresnel optical diaphragm transport structure in optical screen field the utility model discloses a kind of flexible Fresnel optical diaphragm transport structure.The flexible Fresnel optical diaphragm transport structure of the utility model, including Fresnel optical diaphragm and cylinder supporter, it is arranged on the cylindrical support body jagged, the starting point of the Fresnel optical diaphragm is fixed in notch, and the Fresnel optical diaphragm is crimped along cylindrical support external surface.The flexible Fresnel optical diaphragm transport structure of the utility model may be implemented conveniently and efficiently fully to carry large-sized flexible Fresnel optical diaphragm and register one's residence.

Description

Flexible Fresnel optical diaphragm transport structure

Technical field

The utility model relates to a kind of flexible Fresnel optical diaphragm transport structure, especially one kind to be related to optical screen neck The flexible Fresnel optical diaphragm transport structure in domain.

Background technique

Laser display system is mainly made of laser projection and the big major part of projection screen two.It is outstanding in order to reach Display effect, it is necessary to it is equipped with high performance optical screen, and Fresnel optical screen is performance optical projection screen outstanding Curtain, may be implemented the masking to environment light, possesses and highlight effect under bright light environments, can reach the brightness for the liquid crystal that matches in excellence or beauty And contrast, it is very suitable to the family oriented application of laser display.

Currently, Fresnel optical diaphragm is made of multi-layer resinous material (PET, PMMA, PC etc.) and one layer of aluminium reflecting layer, it is thick Fresnel optical screen is usually fabricated to hard screen in industry to guarantee the planarization of screen in 0.5mm or more by degree, i.e., will Fresnel optical diaphragm usually selects honeycomb by double-sided adhesive or glue and monolith supporting back board form adhered together, backboard Aluminium sheet, due to the limitation of Product Process, hard screen must be assembled into finished product in factory, and 100 cun of hard screen Package sizes can reach 2300mm*1300 or so, it has not been convenient to storage and transportation and register one's residence, (such as elevator) is difficult to carry especially in narrow space, has Some can not even be carried to have to that product is hoisted at high residential building using lifting equipment, not only shipment and delivery cost is high, also deposits In the safety issue of upper air installing operation, make Fresnel projection screen is high-rise in large scale to register one's residence difficult problem still It is not well solved.

Utility model content

The technical issues of the utility model is solved, which is to provide one kind, may be implemented large-sized flexibility conveniently and efficiently Fresnel optical diaphragm fully carries the flexible Fresnel optical diaphragm transport structure registered one's residence.

The utility model used flexible Fresnel optical diaphragm transport structure, including Fresnel in order to solve the above problem Jagged, the starting of the Fresnel optical diaphragm is arranged on the cylindrical support body in optical diaphragm and cylindrical support body End is fixed in notch, and the Fresnel optical diaphragm is crimped along cylindrical support external surface.

The cylindrical support body includes body layer and supple buffer layer, and jagged, institute is arranged in the supple buffer layer The starting point for stating Fresnel optical diaphragm is fixed in notch.

Further, the supple buffer layer is spongy layer.

Further, the back side of the Fresnel optical diaphragm is provided with flexible substrates.

Further, being provided with cementing layer between the flexible substrates and Fresnel optical film.

Further, the notch is triangle.

Further, cylindrical support body external profile diameter is less than 720mm.

It is fixed further, the starting point of the Fresnel optical diaphragm passes through adhesive tape admittedly with cylindrical support body.

Further, the cylindrical support body is paper tube.

Further, the cylindrical support body is pvc pipe.

The beneficial effects of the utility model are: application transports Fresnel optical diaphragm using cylinder flexibility rolled fashion It is defeated, diaphragm can be crimped onto the outside of cylinder supporter along full-size direction, be greatly reduced Package size, and lead to Crossing cylinder supporting body structure crimps Fresnel optical diaphragm along cylindrical support external surface, avoids Fresnel optical diaphragm Curling initial part to the stress of diaphragm, be avoided that the storage and transportation of diaphragm long-time and generate plastic deformation, screen ruler is being greatly decreased It can guarantee the planarization of screen after assembling while very little.Fresnel is hidden using the notch being arranged on cylindrical support body simultaneously The curling starting point of optical diaphragm avoids the initial segment of diaphragm from generating contact to other positions of curling rear film, thus to film Other positions of piece generate lasting stress and lead to diaphragm deformation, therefore it is convenient and efficient to use the scheme of the application may be implemented Large-sized flexible Fresnel optical diaphragm is fully carried and is registered one's residence in ground.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the outer edge rolling cylinder of Fresnel optical diaphragm of the application；

Fig. 2 is that the application increases the structural schematic diagram after supple buffer layer；

Components, position and number in figure: Fresnel optical diaphragm 1, cylindrical support body 2, supple buffer layer 3, flexibility Substrate 4.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As depicted in figs. 1 and 2, the flexible Fresnel optical diaphragm transport structure of the application, including Fresnel optical diaphragm With cylinder supporter, it is arranged on the cylindrical support body jagged, the starting point of the Fresnel optical diaphragm is fixed on In notch, the Fresnel optical diaphragm is crimped along cylindrical support external surface.The application uses Fresnel optical diaphragm Cylinder flexibility rolled fashion is transported, and diaphragm can be crimped onto the outside of cylinder supporter along full-size direction, and Fresnel optical diaphragm is crimped along cylindrical support external surface by cylinder supporting body structure, avoids Fresnel optical film The curling initial part of piece is avoided that the storage and transportation of diaphragm long-time and generates plastic deformation, screen is being greatly decreased to the stress of diaphragm It can guarantee the planarization of screen after assembling while size.Luxuriant and rich with fragrance alunite is hidden using the notch being arranged on cylindrical support body simultaneously The curling starting point of your optical diaphragm avoids the initial segment of diaphragm from generating contact to other positions of curling rear film, thus right Other positions of diaphragm generate lasting stress and lead to diaphragm deformation.It is fixed using adhesive tape that diaphragm crimps end.

The cylindrical support body of the application includes body layer and supple buffer layer 3, is provided in the supple buffer layer 3 scarce Mouthful, the starting point of the Fresnel optical diaphragm is fixed in notch.Diaphragm may be selected to wrap up between diaphragm and cylinder when crimping One layer of supple buffer layer 3 crimps possible stress between each layer to avoid diaphragm.It is wrapped with one layer in vitro in cylindrical support Notched supple buffer layer 3, notch are used to hide the curling starting point of Fresnel optical diaphragm, can consolidate starting point adhesive tape It is scheduled on cylinder, avoids the initial segment of diaphragm from generating contact to other positions of curling rear film, thus to other portions of diaphragm Position generates lasting stress and leads to diaphragm deformation.

In order to play better protecting effect, the supple buffer layer 3 of the application is spongy layer.Spongy layer softness and resiliency Can be strong, setting can effectively eliminate diaphragm between cylindrical support body and diaphragm and crimp possible stress between each layer.

The application is also provided with flexible substrates 4 at the back side of Fresnel optical diaphragm.The application is by Fresnel optical diaphragm It pastes and is transported using cylinder flexibility rolled fashion after flexible substrates 4, flexible substrates 4 can be in this way in curling transportational process It plays a very good protection to Fresnel optical diaphragm.

Cementing layer is provided between the flexible substrates 4 and Fresnel optical film.4 layers of flexible substrates and the laminating luxuriant and rich with fragrance alunite of glue Cementing layer is provided between your optical diaphragm, cementing layer can make 4 layers of flexible substrates band glue-line itself, can also use double-sided adhesive Band or the laminating back side in Fresnel optical diaphragm of glue, have both defencive function.

The notch of the application uses the structure of triangle, and the starting point of such Fresnel optical diaphragm can be lacked from triangle It is inserted and fixed in mouthful, and notch upper end starting point and remaining position of diaphragm can be isolated, and significantly more efficient can avoid Starting point and diaphragm remaining location contacts.

In order to guarantee that rolled efficiency, cylinder supporter external profile diameter are less than 720mm.Diameter is according to the thickness of Fresnel diaphragm Degree and rollable performance synthesis determine, the lesser cylinder of diameter can be selected for relatively thin Fresnel diaphragm.

For convenience and reliably the starting point of Fresnel optical diaphragm is fixed, the starting of Fresnel optical diaphragm End is fixed by adhesive tape and cylindrical support body.

Since paper tube is at low cost, it is readily bent molding, therefore cylindrical support body can choose paper tube.

Cylindrical support body is also an option that pvc pipe, PVC have preferable intensity, can stably keep cylindrical configuration, have Keep ideal curly form during transportation conducive to diaphragm.

Claims (10)

1. flexible Fresnel optical diaphragm transport structure, it is characterised in that: including Fresnel optical diaphragm (1) and cylindrical support Body (2), is arranged on the cylindrical support body (2) jagged, and the starting point of the Fresnel optical diaphragm (1) is fixed on notch In, the Fresnel optical diaphragm (1) crimps along cylindrical support body (2) outer surface.

2. flexibility Fresnel optical diaphragm transport structure as described in claim 1, it is characterised in that: the cylindrical support body (2) include body layer and supple buffer layer (3), jagged, the Fresnel optical diaphragm is set on the supple buffer layer (3) (1) starting point is fixed in notch.

3. flexibility Fresnel optical diaphragm transport structure as claimed in claim 2, it is characterised in that: the supple buffer layer It (3) is spongy layer.

4. flexibility Fresnel optical diaphragm transport structure as described in claim 1, it is characterised in that: the Fresnel optical film The back side of piece (1) is provided with flexible substrates (4).

5. flexibility Fresnel optical diaphragm transport structure as claimed in claim 4, it is characterised in that: the flexible substrates (4) Cementing layer is provided between Fresnel optical film.

6. flexibility Fresnel optical diaphragm transport structure as described in claim 1, it is characterised in that: the notch is triangle Shape.

7. flexibility Fresnel optical diaphragm transport structure as described in claim 1, it is characterised in that: the cylindrical support body External profile diameter is less than 720mm.

8. flexibility Fresnel optical diaphragm transport structure as described in claim 1, it is characterised in that: the Fresnel optical film The starting point of piece (1) is fixed by adhesive tape and cylindrical support body (2).

9. flexibility Fresnel optical diaphragm transport structure as described in claim 1, it is characterised in that: the cylindrical support body It (2) is paper tube.

10. flexibility Fresnel optical diaphragm transport structure as described in claim 1, it is characterised in that: the cylindrical support Body (2) is pvc pipe.