CN206618947U - A kind of computer teaching projection screen - Google Patents
A kind of computer teaching projection screen Download PDFInfo
- Publication number
- CN206618947U CN206618947U CN201720201216.3U CN201720201216U CN206618947U CN 206618947 U CN206618947 U CN 206618947U CN 201720201216 U CN201720201216 U CN 201720201216U CN 206618947 U CN206618947 U CN 206618947U
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- CN
- China
- Prior art keywords
- layer
- projection screen
- prism
- prismatic
- grizzly bar
- 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.)
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Abstract
A kind of computer teaching projection screen, include collection reflection layer, soot layer, prism and shading grizzly bar, the surface of the projection screen is provided with prism, and prism is that prismatic mirror layer is arranged on the surface of PET basic units, surface imaging layer is provided with rear side of the PET basic units, and be full angle diffusion layer on rear side of the imaging layer of surface, vertical proliferation layer is provided with rear side of the full angle diffusion layer, and vertical proliferation layer rear side is horizontal proliferation layer.This computer teaching projection screen, employ horizontal prismatic mirror layer and black shading grizzly bar, most of natural light outside line is sheltered from by black shading grizzly bar, and combine the light reflection angle of prismatic mirror layer, with compact black picture can be shown under a bright ambient environment, and make screen picture color rendition more saturation, true nature.
Description
Technical field
The utility model belongs to computer teaching technology field, more particularly to a kind of computer teaching projection screen.
Background technology
Nowadays computer teaching projection screen natural light either under brighter environment in use, due to ring
Other patterns in the brighter i.e. image burnt hair of black pattern on the influence of environmental light, screen, picture also can be because adding environment
Light and it is thin out, the red seen is not truly red, and green is not real green, and blueness is not real blueness.
The contrast of image, color are also just reduced with the increase of ambient light.
How to make not influenceed by extraneous light during projector projects image, also closed by numerous projection manufacturing firms
Note and research and development.
The content of the invention
The purpose of this utility model is to provide a kind of computer teaching projection screen, it is intended to solve active computer teaching
With problem and shortage present on projection screen.
The technical scheme that the utility model is used is：
A kind of computer teaching projection screen, include prismatic mirror layer, projection screen, PET basic units, surface imaging layer,
Full angle diffusion layer, vertical proliferation layer, horizontal proliferation layer, collection reflection layer, soot layer, prism and shading grizzly bar, it is described
The surface of projection screen is provided with prism, and prism is that prismatic mirror layer is arranged on the surface of PET basic units, the PET basic units
It is to be set on rear side of full angle diffusion layer, the full angle diffusion layer that rear side, which is provided with rear side of surface imaging layer, and surface imaging layer,
Vertical proliferation layer is equipped with, and vertical proliferation layer rear side is horizontal proliferation layer, the collection reflection layer is by full angle diffusion layer with hanging down
Straight diffusion layer and horizontal proliferation layer are constituted, and are provided with glass microballoon between surface imaging layer and full angle diffusion layer, institute
Prism is stated in tooth-like formation, and shading grizzly bar is provided with the upward one side of prism.
It is preferred that, the projection screen by sticker by PET basic units and surface imaging layer, full angle diffusion layer, vertical expand
Dissipate layer and horizontal proliferation layer is formed by pasting.
It is preferred that, the shading grizzly bar is black grizzly bar, and shading grizzly bar is connected by sticker with prism.
It is preferred that, the prismatic mirror layer is in prismatic impression in PET basic units by thermal formation apparatus, and prismatic gradient is in 30
Degree.
It is preferred that, the prismatic impression of the PET substrate surfaces prismatic mirror layer is highly 0.3mm, and PET substrate surface prismatics
The prismatic indentation width of mirror layer is 0.3mm.
It is preferred that, the shading grizzly bar is 0.1mm in the prismatic impression height of PET substrate surface prismatic mirror layer.
It is preferred that, the shading grizzly bar is the natural light shielding layer of projection screen, and the prism of prismatic mirror layer is projection screen
The incident ray reflecting layer of curtain.
It is preferred that, the incident ray of the projection screen is in 26 degree to 30 degree in prismatic mirror layer, and projection screen body is in
Rectangle.
The beneficial effects of the utility model are：
This computer teaching projection screen, employs horizontal prismatic mirror layer and black shading grizzly bar, passes through black shading
Grizzly bar shelters from most of natural light outside line, and combines the light reflection angle of prismatic mirror layer, with can be in bright ring
Compact black picture is shown under border, and makes screen picture color rendition more saturation, true nature.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the present utility model；
Fig. 2 is prism of the present utility model and shading grizzly bar structural representation；
Fig. 3 is projection screen body construction schematic diagram of the present utility model.
In figure：1st, prismatic mirror layer；2nd, projection screen；3rd, PET basic units；4th, surface imaging layer；5th, full angle diffusion layer；6th, hang down
Straight diffusion layer；7th, horizontal proliferation layer；8th, reflection layer is collected；9th, soot layer；10th, prism；11st, shading grizzly bar.
Embodiment
The utility model is described in detail for 1-3 and embodiment below in conjunction with the accompanying drawings：
A kind of computer teaching projection screen, includes prismatic mirror layer 1, projection screen 2, PET basic units 3, surface imaging
Layer 4, full angle diffusion layer 5, vertical proliferation layer 6, horizontal proliferation layer 7, collection reflection layer 8, soot layer 9, prism 10 and screening
Gratings strips 11, the surface of projection screen 2 is provided with prism 10, and prism 10 is the surface that prismatic mirror layer 1 is arranged on PET basic units 3
On, the rear side of PET basic units 3 is provided with surface imaging layer 4, and the rear side of surface imaging layer 4 is full angle diffusion layer 5, and full angle expands
The rear side for dissipating layer 5 is provided with vertical proliferation layer 6, and the rear side of vertical proliferation layer 6 is horizontal proliferation layer 7, and collection reflection layer 8 is by full-shape
Degree diffusion layer 5 is constituted with vertical proliferation layer 6 and horizontal proliferation layer 7, and between surface imaging layer 4 and full angle diffusion layer 5
Glass microballoon 9 is provided with, prism 10 is in tooth-like formation, and is provided with shading grizzly bar 11 in the upward one side of prism 10.
Further, projection screen 2 by sticker by PET basic units 3 and surface imaging layer 4, full angle diffusion layer 5, vertical
Diffusion layer 6 and horizontal proliferation layer 7 are formed by pasting.The above-mentioned composition for projection screen 2 is described.
Further, shading grizzly bar 11 is black grizzly bar, and shading grizzly bar 11 is connected by sticker with prism 10.On
State and bonding position is installed for shading grizzly bar 11.
Further, prismatic mirror layer 1 is in prismatic impression in PET basic units 3 by thermal formation apparatus, and prismatic gradient is in 30
Degree.It will be made by thermal formation apparatus by PET material by hot pressing mode.
Further, the prismatic impression of the surface prismatic mirror layer 1 of PET basic units 3 is highly 0.3mm, and the surface rib of PET basic units 3
The prismatic indentation width of shape mirror layer 1 is 0.3mm.Prism 10 is horizontally arranged in PET basic units 3.
Further, shading grizzly bar 11 is 0.1mm in the prismatic impression height of the surface prismatic mirror layer 1 of PET basic units 3.
Shading grizzly bar 11 prism 10 upward in it is horizontal.
Further, shading grizzly bar 11 is the natural light shielding layer of projection screen 2, and the prism 10 of prismatic mirror layer 1 is throwing
The incident ray reflecting layer of shadow screen 2.The above-mentioned effect for shading grizzly bar 11 and prism 10.
Further, the incident ray of projection screen 2 is in 26 degree to 30 degree in prismatic mirror layer 1, and the body of projection screen 2 is in
Rectangle.It is above-mentioned for projecting apparatus incident ray in the projection angle of projection screen 2.
Operation principle：
Projection screen 2 is installed or hang by embedded, the front of projecting apparatus is arranged at, makes the projected light of projecting apparatus
Line between 26 degree to 30 degree in projection teaching is carried out, because black shading grizzly bar 11 is sheltered from the face of prismatic mirror layer 1 during projection
Most of extraneous light, and will be projected and reflected by the prism 10 of prismatic mirror layer 1, allows projection screen 2 bright
Compact black picture is shown under environment, and makes screen picture color rendition more saturation, true nature.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of computer teaching projection screen, includes prismatic mirror layer (1), projection screen (2), PET basic units (3), surface
Imaging layer (4), full angle diffusion layer (5), vertical proliferation layer (6), horizontal proliferation layer (7), collection reflection layer (8), glass microballoon
Layer (9), prism (10) and shading grizzly bar (11), it is characterised in that：The surface of the projection screen (2) is provided with prism (10),
And prism (10) is that prismatic mirror layer (1) is arranged on the surface of PET basic units (3), and table is provided with rear side of the PET basic units (3)
It is to be set on rear side of full angle diffusion layer (5), the full angle diffusion layer (5) on rear side of face imaging layer (4), and surface imaging layer (4)
It is horizontal proliferation layer (7) to be equipped with rear side of vertical proliferation layer (6), and vertical proliferation layer (6), and the collection reflection layer (8) is by full-shape
Degree diffusion layer (5) is constituted with vertical proliferation layer (6) and horizontal proliferation layer (7), and is spread in surface imaging layer (4) and full angle
Glass microballoon (9) is provided between layer (5), the prism (10) is in tooth-like formation, and is set in the upward one side of prism (10)
It is equipped with shading grizzly bar (11).
2. a kind of computer teaching projection screen according to claim 1, it is characterised in that：The projection screen (2)
By sticker by PET basic units (3) and surface imaging layer (4), full angle diffusion layer (5), vertical proliferation layer (6) and horizontal proliferation layer
(7) formed by pasting.
3. a kind of computer teaching projection screen according to claim 1, it is characterised in that：The shading grizzly bar (11)
For black grizzly bar, and shading grizzly bar (11) is connected by sticker with prism (10).
4. a kind of computer teaching projection screen according to claim 1, it is characterised in that：The prismatic mirror layer (1)
By thermal formation apparatus in PET basic units (3) in prismatic impression, and prismatic gradient is in 30 degree.
5. a kind of computer teaching projection screen according to claim 1 or 4, it is characterised in that：The PET basic units
(3) the prismatic impression of surface prismatic mirror layer (1) is highly 0.3mm, and the prismatic impression of PET basic units (3) surface prismatic mirror layer (1)
Width is 0.3mm.
6. a kind of computer teaching projection screen according to claim 1 or 4, it is characterised in that：The shading grizzly bar
(11) it is 0.1mm in the prismatic impression height of PET basic units (3) surface prismatic mirror layer (1).
7. a kind of computer teaching projection screen according to claim 1, it is characterised in that：The shading grizzly bar (11)
For the natural light shielding layer of projection screen (2), and the prism (10) of prismatic mirror layer (1) is anti-for the incident ray of projection screen (2)
Penetrate layer.
8. a kind of computer teaching projection screen according to claim 1 or 7, it is characterised in that：The projection screen
(2) incident ray is in 26 degree to 30 degree in prismatic mirror layer (1), and projection screen (2) body is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720201216.3U CN206618947U (en) | 2017-02-22 | 2017-02-22 | A kind of computer teaching projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720201216.3U CN206618947U (en) | 2017-02-22 | 2017-02-22 | A kind of computer teaching projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206618947U true CN206618947U (en) | 2017-11-07 |
Family
ID=60231811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720201216.3U Expired - Fee Related CN206618947U (en) | 2017-02-22 | 2017-02-22 | A kind of computer teaching projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206618947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109308843A (en) * | 2018-10-11 | 2019-02-05 | 中国建筑材料科学研究总院有限公司 | Transparent display screen and preparation method and vehicle-mounted transparent head-up-display system |
-
2017
- 2017-02-22 CN CN201720201216.3U patent/CN206618947U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109308843A (en) * | 2018-10-11 | 2019-02-05 | 中国建筑材料科学研究总院有限公司 | Transparent display screen and preparation method and vehicle-mounted transparent head-up-display system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 Termination date: 20190222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |