CN2459728Y - Combining structure for combined indication screen - Google Patents
Combining structure for combined indication screen Download PDFInfo
- Publication number
- CN2459728Y CN2459728Y CN 00242773 CN00242773U CN2459728Y CN 2459728 Y CN2459728 Y CN 2459728Y CN 00242773 CN00242773 CN 00242773 CN 00242773 U CN00242773 U CN 00242773U CN 2459728 Y CN2459728 Y CN 2459728Y
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- China
- Prior art keywords
- screen
- projection screen
- contiguous block
- splicing construction
- transparent
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- 238000010276 construction Methods 0.000 claims description 30
- 238000005452 bending Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 3
- 241000158688 Schizophora Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to a seamless splicing structure of a combined display screen, which comprises a projection screen composed of a convex lens screen and a fresnel lens screen, a projection screen fixing frame for fixing the projection screen, and an angular transparent connecting block, wherein frames of the angular transparent connecting block are matched with the projection screen and the projection screen fixing frame. The utility model is also provided with a mechanical connecting device outside the incident range of the projecting light so as to realize the seamless splicing of screens of the combined display screen with lower cost, and the seamless splicing structure is easy to process and splice.
Description
The utility model relates to optical technical field, relates in particular to the seamless spliced structure of combined display screen.
Now, giant-screen combination screen display wall has been widely used in various occasions, and especially the continuous reduction of the constantly perfect and unit cost of large screen back projection shadow technology has promoted popularizing of this kind display technique especially widely.Yet,, have a strong impact on the whole visual effect that makes up the screen display wall because also there is tangible piece in the imperfection of combination screen cost and splicing between feasible each screen of combination screen.
The splicing construction that screen closes in a kind of schizophora in the prior art as shown in Figure 1, it is connected with projection screen fixed frame 3 effectively for the projection screen that convex lens screen 1, Fresnel Lenses screen 2 are formed, the fixing card of projection screen 4 (generally adopting nontransparent metal material) have been introduced with sufficient intensity, the defective of this structure is: because the fixing card 4 of projection screen has been blocked the projected light 5 that projects the screen edge part, thereby cause the visible piece of each split screen marginal portion of combination screen.
A kind of seamless splicing structure of combined screen as shown in Figure 2 in the prior art, in order to shield 1 by convex lens, the projection screen that Fresnel Lenses screen 2 is formed is connected effectively with projection screen fixed frame 3, and make projection light 5 can arrive screen edge, seamless spliced to realize, increased a thicker transparent medium screen 6 in the back of projection screen, and will shield 1 by convex lens, projection screen that Fresnel Lenses 2 and transparent medium screen 6 are formed and the joint face between the projection screen fixed frame 3 are processed into the inclined-plane, enough big to guarantee connection area between the two, thus enough big strength of joint obtained.But the defective of this kind structure is, need to shield 1 by convex lens, Fresnel Lenses 2 and transparent medium screen 6 projection screens of forming and projection screen fixed frame 3 carry out special processing, and must make that the thickness of transparent medium screen 6 is enough big, this has brought the high defective of cost cost again, in addition, owing to the thickness of transparent medium screen 6 causes its weight bigger greatly, both strength of joint have been reduced conversely again.
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of splicing construction of combined display screen, and this structure has realized seamless spliced between each screen of combined display screen with lower cost, and is easier to processing and splicing.
For achieving the above object, the technical solution of the utility model is:
A kind of splicing construction of combined display screen comprises
One convex lens screen;
One Fresnel Lenses screen, bonding with described convex lens screen;
One projection screen fixed frame, the convex lens screen that is used for fixing described mutual bonding shields the projection screen of being formed with Fresnel Lenses, and wherein this splicing construction also comprises
The transparent contiguous block of one dihedral, its frame are suitable with described projection screen and described projection screen fixed frame respectively.
Described splicing construction, being connected between the wherein said projection screen of being made up of convex lens screens, Fresnel Lenses screen and described one of them frame of transparent contiguous block is transparent bonding.
Being connected between the described splicing construction, wherein said projection screen fixed frame and another frame of described contiguous block can be transparent bonding.
Described splicing construction, wherein this splicing construction also comprises a mechanical connector, is arranged on outside the incident scope of projected light, is used for fixing described transparent contiguous block and described projection screen fixed frame.
Described splicing construction, wherein said connector is a bolt, it is suitable to pass the screw that is provided with on described transparent contiguous block and the described projection screen fixed frame.
Described splicing construction, the bending angle of wherein said contiguous block should with the incident scope of described projected light outside.
Described splicing construction, wherein said contiguous block from bending angle to being arranged to dihedral with the plane of incidence of the bottom of described projection screen bonding.
Described splicing construction, the plane of incidence of wherein said contiguous block meets at right angles.
Described splicing construction, it is characterized in that described contiguous block from bending angle to being arranged to the inclined-plane with the plane of incidence of the bottom of described projection screen bonding.
According to an aspect of the present utility model, by the transparent contiguous block of a dihedral is set, increased connection area between the two between projection screen and projection screen fixed frame, thereby obtained enough connection fiduciary levels.The utility model has overcome prior art simultaneously need increase the expensive problem that thicker transparent medium screen is brought on projection screen.
According to another aspect of the present utility model,, further reinforced the strength of joint between combined display screen and the fixed frame by between transparent contiguous block of the present utility model and fixed frame, mechanical connector being set again.
According on the other hand of the present utility model, because the plane of incidence of transparent contiguous block is arranged to the right angle, reduced influence to greatest extent to screen edge projection light light path, improved the distortion of screen edge part.In addition, combination screen display device for higher rate respectively, the projection light plane of incidence of transparent contiguous block of the present utility model is arranged to the inclined-plane, make the skew of the screen edge part projection light light path that causes owing to the introducing contiguous block be distributed to bigger scope, make shown image not produce tangible distortion.
Below in conjunction with accompanying drawing, the description by to preferred embodiment of the present utility model further specifies the utility model.
Fig. 1 closes screen splicing construction synoptic diagram for the schizophora of prior art;
Fig. 2 is the seamless splicing structure of combined screen synoptic diagram of prior art;
Fig. 3 is the splicing construction synoptic diagram of an embodiment of the present utility model;
Fig. 4 is the local enlarged diagram of Fig. 3 structure;
Fig. 5 is the splicing construction synoptic diagram of another embodiment of the present utility model.
Preferred embodiment of the utility model as shown in Figure 3, a kind of splicing construction of combined display screen comprises the projection screen of being made up of by transparent bonding convex lens screen 1, Fresnel Lenses screen 2 20; With a projection screen fixed frame 3.For projection screen 20 is connected effectively with projection screen fixed frame 3, and make projection light 5 can arrive screen edge, realize seamless splicedly, the transparent contiguous block 9 of one dihedral is set the utility model between so that to connect area enough big, and further strengthen both constant intensities.Wherein transparent bonding between this contiguous block 9 frame 90 and the fixed frame 3 can be transparent bonding between another frame 92 and the projection screen 20.The bending angle of this transparent contiguous block 9 should can fully arrive the edge of combined projection screen 20 and distortion not take place with the light that guarantees projected light 5 in the incident scope part of projection light 5, avoids the image fault at the screen edge place.More particularly, shield being connected between 20 for reinforcing fixed frame 3 better with combined projection, the utility model passes within the threaded hole 12 that frame 90 is fixed on fixed frame 3 also being provided with mechanical connecting device 10, one bolts 10 between transparent contiguous block 9 and the projection screen fixed frame.Certainly, the position of this coupling arrangement 10 should be in outside the incident scope of projection light 5.Fixing card can't be realized seamless spliced problem thereby this technical scheme has solved the nontransparent projection screen that needs to introduce in the splicing construction of prior art as shown in Figure 1, and needing in seamless spliced as shown in Figure 2 introduces thicker transparent medium screen and carry out the cost cost problem of higher that special processing caused.
In above-mentioned preferred embodiment of the present utility model, best is, the utility model with described contiguous block from bending angle 94 to being arranged to the right angle, to reduce distortion with the plane of incidence of the bottom of described projection screen bonding.The partial enlarged drawing of this part is illustrated among Fig. 4, skew takes place and correspondingly can produce distortion in certain zone 7 owing to reflect in 8 backs, bottom that projected light 5 incides frame 92, projected light 5 ' has departed from the position shown in the dotted line as shown in FIG., but through calculating this distortion as can be known, be the pel spacing of the distance that departs from of projected light 5 ', so can on the shown image of screen, not produce visible distortion less than the shown image of screen.This structure is applicable to the combination screen display device of general resolution.
According to the demand of reality, the utility model can be made in the corresponding distortion at the plane of incidence of frame 92, and therefore another embodiment of the present utility model is illustrated among Fig. 5.Seamless spliced in order to realize, between projection screen 20 and fixed frame 3, be provided with the transparent contiguous block 9 of dihedral.Similarly, the bending angle of this transparent contiguous block 9 should be outside the incident scope of projection light 5, need simultaneously contiguous block 9 from bending angle 94 to being arranged to the inclined-plane with the plane of incidence of described projection screen bonding part, make projection light 5 incide the zone 7 that the distortion that is produced behind the transparent contiguous block 9 is distributed to broad step by step, thereby make because the distortion that light shift 14 is produced reduces to enough little, can on the shown image of screen, not produce obvious visible distortion, thereby the technical solution of the utility model goes for the combination screen display device than high resolution.
The utility model is not limited to above embodiment, and those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from spirit of the present utility model, all should belong to scope of the present utility model.
Claims (9)
1. the splicing construction of a combined display screen comprises
One convex lens screen;
One Fresnel Lenses screen, bonding with described convex lens screen;
One projection screen fixed frame, the convex lens screen that is used for fixing described mutual bonding shields the projection screen of being formed with Fresnel Lenses, it is characterized in that this splicing construction also comprises
The transparent contiguous block of one dihedral, its frame are suitable with described projection screen and described projection screen fixed frame respectively.
2. splicing construction according to claim 1, it is characterized in that between the described projection screen of forming by convex lens screens, Fresnel Lenses screen and described one of them frame of transparent contiguous block be connected to transparent bonding.
3. splicing construction according to claim 1 is characterized in that being connected between described projection screen fixed frame and another frame of described contiguous block can be transparent bonding.
4. splicing construction according to claim 3 is characterized in that this splicing construction can also comprise a mechanical connector, is arranged on outside the incident scope of projected light, is used for fixing described transparent contiguous block and described projection screen fixed frame.
5. splicing construction according to claim 4 is characterized in that described connector is a bolt, and it is suitable to pass the screw that is provided with on described transparent contiguous block and the described projection screen fixed frame.
6. splicing construction according to claim 1 is characterized in that the bending angle of described contiguous block should be outside the incident scope of projected light.
7. splicing construction according to claim 6, it is characterized in that described contiguous block from bending angle to being arranged to dihedral with the plane of incidence of the bottom of described projection screen bonding.
8. splicing construction according to claim 7 is characterized in that the plane of incidence of described contiguous block meets at right angles.
9. splicing construction according to claim 6, it is characterized in that described contiguous block from bending angle to being arranged to the inclined-plane with the plane of incidence of the bottom of described projection screen bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00242773 CN2459728Y (en) | 2000-08-10 | 2000-08-10 | Combining structure for combined indication screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00242773 CN2459728Y (en) | 2000-08-10 | 2000-08-10 | Combining structure for combined indication screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2459728Y true CN2459728Y (en) | 2001-11-14 |
Family
ID=33602825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00242773 Expired - Fee Related CN2459728Y (en) | 2000-08-10 | 2000-08-10 | Combining structure for combined indication screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2459728Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162571A (en) * | 2011-01-18 | 2011-08-24 | 深圳市创维群欣安防科技有限公司 | Mounting rack for digital video demonstration sand table and digital video demonstration sand table |
| CN103730846A (en) * | 2013-11-25 | 2014-04-16 | 安徽鑫辰电气设备有限公司 | Spliced type power transformation cabinet |
-
2000
- 2000-08-10 CN CN 00242773 patent/CN2459728Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162571A (en) * | 2011-01-18 | 2011-08-24 | 深圳市创维群欣安防科技有限公司 | Mounting rack for digital video demonstration sand table and digital video demonstration sand table |
| CN102162571B (en) * | 2011-01-18 | 2012-10-17 | 深圳市创维群欣安防科技有限公司 | Mounting rack for digital video demonstration sand table and digital video demonstration sand table |
| CN103730846A (en) * | 2013-11-25 | 2014-04-16 | 安徽鑫辰电气设备有限公司 | Spliced type power transformation cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |