CN209248233U - A kind of a wide range of objects projection presentation structure of short distance - Google Patents

Abstract

The utility model discloses a kind of a wide range of objects projection of short distance and structure is presented comprising inside multilayer concavees lens module that movie module projected to projector amplifies, the external installation module for fixing internal multilayer concavees lens module and projector and the film presentation module that is presented to the film after internal multilayer concavees lens resume module；Internal multilayer concavees lens module includes the fixed frame of multiple concavees lens arranged in parallel and fixed multiple concavees lens.In the application, installation module in outside externally can internally support entire internal multilayer concavees lens module with external connection；Internal multilayer concavees lens use concavees lens principle, are fabricated to concavees lens by using special material, and be overlapped using multilayer concavees lens use by the way of amplify, to realize the large-scale objects projection of short distance.

Description

A kind of a wide range of objects projection presentation structure of short distance

Technical field

The utility model relates to a kind of a wide range of objects projections of short distance, and structure is presented, more particularly to a kind of projector figure As short distance enlarging lens.

Background technique

The rear projection projector that can be found on the market at present projects maximum magnitude projection in the case where guaranteeing its clarity Distance has been above 1.5 meters, and in current many industries, all protected in 1 meter of distance even smaller distance in the presence of needs Demonstrate,prove the size of enlarging projection film as far as possible in the case where film clarity.

Therefore image projector projects gone out, projects screen from camera lens with shortest distance, constant in clarity In the case of maximize image, to solve this difficulties, need to develop extraordinary wide-angle lens.

Utility model content

The brief overview about the utility model embodiment is given below, in order to provide about the utility model The basic comprehension of some aspects.It should be appreciated that outlined below is not the exhaustive general introduction about the utility model.It is not It is intended to determine the key or pith of the utility model, nor intended limitation the scope of the utility model.Its purpose is only It is to provide certain concepts in simplified form, taking this as a prelude to a more detailed description discussed later.

According to the one aspect of the application, a kind of a wide range of objects projection presentation structure of short distance is provided comprising to throwing Inside multilayer concavees lens module that the projected movie module of shadow instrument amplifies is used for fixing internal multilayer concavees lens module and throwing The external installation module of shadow instrument and the film presented to the film after internal multilayer concavees lens resume module are presented Module；The internal multilayer concavees lens module includes the fixation of multiple concavees lens arranged in parallel and fixed multiple concavees lens Frame.

Further, the fixed frame includes keeping multiple concavees lens parallel and contact setting for fixing concavees lens one end Multilayer deck, every layer of multilayer deck fix a concavees lens.Multilayer deck changes as concavees lens size dimension changes, That is every layer of multilayer deck and the thickness size for the concavees lens being correspondingly arranged matches, and each concavees lens are fixed.

Multilayer deck is for bearing multilayer concavees lens module weight, to make it be fixedly secured concavees lens, it is preferred that multilayer card Every layer of seat is the groove of semi-surrounding structure, so that one end of concavees lens is protruded into the groove and fixed.Further, the multilayer Every layer of deck is ladder-like setting.The fixed frame is fixed frame made of ABS material.

Further, the bottom of the fixed frame is additionally provided with extension edge edge, and the extension edge is along the concavees lens for being close to first layer And be arranged, reinforcement effect can be not only played, but also can prevent from falling it because multilayer deck cannot be fixedly secured concavees lens The generation of phenomenon.

Wherein, multiple concavees lens are made of the acrylic (glass) of the high grade of transparency (98% or more transparency).

The application using the above scheme, by its structure setting, outside installation module externally can with external connection, internally Entire internal multilayer concavees lens module can be supported, is applied not only to install moulded, projector can be also placed, can design The installation position of projector, by this installation position, it can be achieved that longitudinal separation, tilt angle to projector are adjusted.It is internal more Layer concave lens use concavees lens principle, are fabricated to concavees lens by using special material, and make using the overlapping of multilayer concavees lens Mode is amplified.Module is presented for playing through the amplified film of multilayer concavees lens in film, can use daily life The flat-faced screen of extensive regular shape is used in work, can also replace plane with the circular arc camber of rule.If for carrying on the back Projection, it is as follows which is presented module optimization design: the circular arc camber or plane of display screen are the high grade of transparency (98% or more Transparency) acrylic material production, or directly adopt glass material, can also be made of other high transparency materials.This Outside, the back side of display screen has matte surface, and such light is radiated at surface just and will form diffusing reflection state, improves optics Cheng Yingxiao Fruit；In addition, the back side of display screen, which is further coated with graphene developing material, can be improved the clarity of projection film, so that shadow Piece rear-projection effect achievees the effect that just to throw.

Detailed description of the invention

Fig. 1 is that structure overall schematic is presented in a wide range of objects projection of short distance of the present embodiment.

Specific embodiment

Illustrate the embodiments of the present invention below with reference to accompanying drawings.For purposes of clarity, it is saved in attached drawing and explanation The expression and description of component unrelated with the utility model, known to persons of ordinary skill in the art and processing are omited.In this reality With in novel description, it should be noted that unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary The connection in portion.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition Concrete meaning.

According to the one aspect of the application, a kind of a wide range of objects projection presentation structure of short distance is provided, main includes outer Module 1, internal multilayer concavees lens module 3 and film are installed, module is presented in portion.Wherein, external installation module 1 is whole for installing Figure modelling places projector 2 and fixing internal multilayer concavees lens module 3.Internal multilayer concavees lens module 3 is former with concavees lens Reason is fabricated to concavees lens by using special material, and be overlapped using multilayer concavees lens use by the way of amplify.Film is in Existing module 4 passes through the amplified film of multilayer concavees lens for playing.Projector 2 is micro projector common on the market, this In be not detailed.

Specifically, internal multilayer concavees lens module 3 includes that multiple concavees lens 310 arranged in parallel and fixation are multiple recessed The fixed frame 320 of lens 310.Wherein, fixed frame 320 includes keeping multiple concavees lens 310 parallel for fixing 310 one end of concavees lens And the multilayer deck 321 of contact setting and along the bottom of fixed frame along the extension edge stretched along 322.When specific implementation, Ke Yigen It needs to carry out fixed frame 320 readjustment design according to external styling, therefore this module is applicable compared with multi-state.

Every layer of multilayer deck 321 fixes a concavees lens 310, every layer of multilayer deck 321 be correspondingly arranged it is recessed The thickness size of mirror 310 matches, and each concavees lens 310 are fixed.Multilayer deck 321 is for bearing 310 mould of multilayer concavees lens Block weight, to make it be fixedly secured concavees lens 310, therefore, in the application, every layer of multilayer deck 321 is designed as semi-surrounding knot The groove of structure, so that one end of concavees lens 310 is protruded into the groove and fixed.And every layer of multilayer deck 321 is ladder-like setting. The structure of multilayer deck and the concavees lens of multilayer match, in the case where internal multilayer concavees lens are constant, the knot of multilayer deck Structure can not change.

The extension edge of 320 bottom of fixed frame along 322 abutting first layers concavees lens 310 and be arranged, can not only play reinforcing Effect, but also the generation for making it fall phenomenon because multilayer deck cannot be fixedly secured concavees lens can be prevented.In addition, fixed frame It is made of ABS material.Concavees lens are used using the acrylic or glass of 98% or more transparency and are made.

Internal multilayer concavees lens are the core part that structure is presented in entire objects projection, with the original of concavees lens divergent light source Film is expanded projection size of the film in short distance by multilayer concavees lens by reason.In another example, multilayer is recessed Mirror reaches 98% or more material production using the high grade of transparency, and available material has acrylic (PMMA), glass etc..If adopted If lens material transparency is not high enough, the quality and clarity of film will affect.The concave-convex angle of concavees lens needs logical That crosses photosensitive instrument test goes out optimal concave-convex angle, is first tested with concavees lens on the market, record test parameter and recessed Lens parameter obtains and carries out secondary simulation test in three-dimensional software according to required concave-convex angle after these parameters, then It produces and uses, this process is needed by testing repeatedly.

In a wherein example, outside installation module 1 externally can internally support entire moulding with external connection Module, and the installation position for having projector 2 is designed, the installation position of projector 2 can be adjusted according to the projector size chosen Section, and the tilt angle of projector can be controlled according to actual needs；Therefore it can be realized by the design of this installation position to throwing Longitudinal separation, the tilt angle of shadow instrument are adjusted.

The application is studied not only for the projection of film very-short-reach, while the rear-projection side of structure being also presented to the projection Formula and material property are accordingly studied.The development moulding that module is presented in film can be extensive regular with using in daily life The flat-faced screen of shape can also be replaced with the circular arc camber of rule.It is chiefly used in rear-projection projection because creating thus, so for Perhaps planar design can do following special adaptations first to circular arc camber: circular arc camber or plane are necessary for reaching 98% or more The production of high grade of transparency acrylic material also can be directly used glass material or the production of other high transparency materials, use acrylic The difficulty of processing that material makes circular arc camber display screen is less, and transparency is also secure, so using high transparency acrylic Material production, and its back side uses frosting technology, and the principle of frosting technology is: the smooth object in script surface is become not only Sliding, such light is radiated at surface just and will form diffusing reflection state, that is, allows object there is no the bright effects such as mirror；Second: Graphene developing material is coated at the back side of moulding, the effect of graphene developing material is that the clear of projection film can be improved Clear degree, so that film rear-projection effect achievees the effect that just to throw.

In a wherein example, film is presented module and the circular-arc curved aobvious of rule is made using high acrylic material thoroughly Display screen realizes that according to final effect paint colors color in positive view field, and the back side is with frosting technology processing system To make, frosting technology can play diffuse reflection effect, weaken projector central light source intensity, while spray development grapheme material, This material can also largely weaken light source effect, and this makes it possible to make spectators be unlikely to find out this in viewing Stunt is internal projection support.

The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all utilizations Equivalent structure transformation made by the utility model specification and accompanying drawing content is applied directly or indirectly in other relevant technologies Field is also included in the patent protection scope of the utility model.

It should be emphasized that term "comprises/comprising" refers to the presence of feature, element, step or component when using herein, but simultaneously It is not excluded for the presence or additional of one or more other features, element, step or component.

Although being had been disclosed above by the description to specific embodiment of the utility model to the utility model, However, it is to be understood that above-mentioned all embodiments and example are exemplary, and not restrictive.Those skilled in the art Member can design the various modifications to the utility model, improvement or equivalent in the spirit and scope of the appended claims.This A little modifications, improvement or equivalent should also be as being to be considered as included in the protection scope of the utility model.

Claims (10)

1. structure is presented in a kind of a wide range of objects projection of short distance, it is characterised in that: including to the projected movie module of projector The inside multilayer concavees lens module that amplifies installs mould for fixing internal multilayer concavees lens module and the external of projector Module is presented in block and the film presented to the film after internal multilayer concavees lens resume module；The inside is more Layer concavees lens module includes the fixed frame of multiple concavees lens arranged in parallel and fixed multiple concavees lens.

2. structure is presented in a wide range of objects projection of short distance according to claim 1, it is characterised in that: the fixed frame packet It includes for fixing the multilayer deck that concavees lens one end keeps multiple concavees lens parallel and contact is arranged, every layer of multilayer deck fixes one A concavees lens.

3. structure is presented in a wide range of objects projection of short distance according to claim 2, it is characterised in that: multilayer deck it is every Layer is the groove of semi-surrounding structure, so that one end of concavees lens is protruded into the groove and fixed.

4. structure is presented in a wide range of objects projection of short distance according to claim 2, it is characterised in that: the multilayer deck Every layer be ladder-like setting.

5. structure is presented in a wide range of objects projection of short distance according to claim 1 to 4, it is characterised in that: described solid The bottom for determining frame is additionally provided with extension edge edge, which is arranged along the concavees lens for being close to first layer.

6. structure is presented in a wide range of objects projection of short distance according to claim 1 to 4, it is characterised in that: multiple recessed Lens are made of the acrylic or glass of the high grade of transparency.

7. structure is presented in a wide range of objects projection of short distance according to claim 1 to 4, it is characterised in that: described solid Determining frame is fixed frame made of ABS material.

8. structure is presented in a wide range of objects projection of short distance according to claim 1, it is characterised in that: the film is presented Module is the display screen of plane or the display screen of circular arc camber.

9. structure is presented in a wide range of objects projection of short distance according to claim 8, it is characterised in that: the display screen is The acrylic or glass of the high grade of transparency are made；The back side of the display screen has the matte surface for realizing diffusing reflection state.

10. structure is presented in a wide range of objects projection of short distance according to claim 9, it is characterised in that: the display screen The back side be also coated with graphene developing material.