CN202685664U - Glass writing board suitable for projection - Google Patents
Glass writing board suitable for projection Download PDFInfo
- Publication number
- CN202685664U CN202685664U CN 201220253131 CN201220253131U CN202685664U CN 202685664 U CN202685664 U CN 202685664U CN 201220253131 CN201220253131 CN 201220253131 CN 201220253131 U CN201220253131 U CN 201220253131U CN 202685664 U CN202685664 U CN 202685664U
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- Prior art keywords
- glass
- writing board
- fluorescence coating
- projection
- magnetic adsorption
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Abstract
The utility model discloses a glass writing board suitable for projection. The glass writing board comprises ground glass, a fluorescent layer, a priming paint layer and a magnetic adsorption plate, wherein a rough surface of the ground glass faces outwards, a smooth surface of the ground glass is composited with the fluorescent layer, a back surface of the fluorescent layer is then composited with the priming paint layer, and a back surface of the priming paint layer is attached to the magnetic adsorption plate. According to the glass writing board, the development effect can be improved greatly, dry writing and dry erasing can be conducted directly on a board surface by using a whiteboard marker, at the same time, under an idle condition, good decoration effect is achieved, and a message left and other small objects such as a key, a whiteboard marker or an eraser can be adsorbed on the board surface by using a magnetic material.
Description
Technical field
The utility model belongs to the glass writing board of the technical field of glass writing board, particularly a kind of suitable projection.
Technical background
Existing glass writing board only has writing function, and does not have projecting function.
And projection screen is to be commonly used in teaching, film, office, home theater and convention occasion, is used for showing the instrument of image and video file.Projection screen is one of most important product in projector's peripheral equipment, if the collocation of projection screen and projector is proper, can obtain the drop shadow effect of high-quality.
But, carefully analyze existing projection screen, be not difficult to find that there is following deficiency in it:
One, existing projection screen can not directly carry out mark with writing implements such as white board markers or writes;
Two, existing projection screen, surface adopt granular pearl essence as the instrument of absorption and reflection source, and As time goes on, the pearl essence on curtain surface can come off gradually, thereby the image that projects on the curtain can blur gradually; The other microparticles such as dust of the matsurface of curtain in also can absorbing environmental, it piles up dust easily on curtain for a long time, has both affected attractive in appearancely, destroys again drop shadow effect;
Three, in idle state, projection screen does not almost have other practicalities or decoration functions, can't be by absorption message form or other materials such as magnet;
Four, existing commercially available projection screen, when working under the environment of Indoor Natural light or indoor use normal illumination light, it is dim, fuzzy that the image of reception seems.
In view of this, the inventor develops a kind of glass writing board of suitable projection specially, and this case produces thus.
The utility model content
The purpose of this utility model is to provide a kind of glass writing board of suitable projection, can greatly improve imaging results, again can be directly utilize at the plate face that white board marker is dried writes xerotripsis, simultaneously under its idle state, tool decorative effect preferably can also utilize magnetic material absorption message form and other smallclothes objects (such as key, white board marker, blackboard eraser etc.) at the plate face again.
In order to reach above-mentioned purpose, the technical solution of the utility model is:
A kind of glass writing board of suitable projection, but formed by frosted glass, fluorescence coating, prime coat and magnetic adsorption, the matsurface of frosted glass outwardly and shiny surface and fluorescence coating are compound, the back side of fluorescence coating is compound with prime coat again, the magnetic adsorption but then fit in the back side of prime coat.
Described frosted glass is divided into two steps and machines: adopt first the method for strong acid corrosion to make glass surface form length respectively less than the countless tiny crystal grain that is the hexagonal prism shape of 10 nanometers, thereby destroy the reflective structure on bare glass surface; Adopt again aciding to polish the sharp parts of above-mentioned hexagonal prism, make the frosted glass surface neither reflective, can write xerotripsis with white board marker is dried again, leave no trace after wiping.
The thickness of described frosted glass is the 3-16 millimeter.
Described glass writing board has silver grey and silvery white two kinds of colors; The fluorescence coating of silver gray glass writing board is fully mixed by 80.4% varnish, 10.7% silver powder and 8.9% auxiliary agent by weight percentage and makes; The fluorescence coating of silvery white glass writing board is fully mixed by 80.4% varnish, 10.7% fluorescent material and 8.9% auxiliary agent by weight percentage to be made.
The forming method of described fluorescence coating and prime coat be spray first, roller coating or showering, then baking.
The thickness of described fluorescence coating is the 8-10 micron.
The thickness of described prime coat is the 4-6 micron.
But described magnetic adsorption is galvanized sheet or other steel plates, iron plate, iron adhesive plaster.
But the thickness of described magnetic adsorption is the 0.3-0.8 millimeter.
After adopting such scheme, the utility model compared with prior art has the following advantages:
One, the utlity model has fluorescence coating, can be used for showing image and video file etc. as existing projection screen, realize the projection effect, imaging results is much better than existing commercially available projection screen;
Two, surface of the present utility model is a kind of frosted glass of hard, both can use as projection screen, can driedly write xerotripsis again, uses as general blank;
Three, but the projection plate of the present utility model back side is magnetic adsorption (such as galvanized sheet, steel, iron plate or iron adhesive plaster), can pass through magnet adsorption message form, other paper materials or smallclothes object (as: key, white board marker, whiteboard eraser etc.);
Four, surface of the present utility model is a kind of frosted glass of hard, is difficult for dust or other molecules in the absorbing environmental, and simultaneously, because glass itself is glittering and translucent, the utility model also has certain decorative effect.
Below in conjunction with drawings and the specific embodiments the utility model is done and to be described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, what the utility model disclosed is a kind of glass writing board of suitable projection, but is comprised of frosted glass 1, fluorescence coating 2, prime coat 3 and magnetic adsorption 4.
The matsurface of frosted glass 1 can be realized writing function.Frosted glass 1 is divided into two steps and machines: adopt first the method for strong acid corrosion to make glass surface form length respectively less than the countless tiny crystal grain that is the hexagonal prism shape of 10 nanometers, thereby destroy the reflective structure on bare glass surface; Adopt again aciding to polish the sharp parts of above-mentioned hexagonal prism, make the frosted glass surface neither reflective, can write xerotripsis with white board marker is dried again, leave no trace after wiping.The thickness of frosted glass 1 is take the 3-16 millimeter as good.The matsurface of frosted glass 1 outwardly.
But magnetic adsorption 4 is fitted in the back side of prime coat 3.But magnetic adsorption 4 can be galvanized sheet or other steel plates, iron plate, iron adhesive plaster, or for the fixing various materials of magnet adsorption, so as provisional data (such as form, inventory and picture etc.) is fixing during the absorption of small magnet piece, such as magnet plate.But the thickness of magnetic adsorption 4 is take the 0.3-0.8 millimeter as good.
When the utility model used, the projection of the light of projecting apparatus saw through frosted glass 1 and is radiated on the fluorescence coating 2, and fluorescence sees through frosted glass 1 again and produces diffuse reflection at its matsurface, enters viewing person's eyes, imaging.The transparent frosted glass 1 of part light penetration shines fluorescence coating 2, and fluorescence coating 2 is luminous, makes projection plate brighter.
In the use procedure, can carry out mark at the matsurface of frosted glass 1, write, draw emphasis, and, when thinking to paste again the provisional data of lightweight, but can cooperate magnetic adsorption 4 that these provisional data are fixed with the small magnet piece temporarily.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (6)
1. the glass writing board of a suitable projection, it is characterized in that: but formed by frosted glass, fluorescence coating, prime coat and magnetic adsorption, the matsurface of frosted glass outwardly and shiny surface and fluorescence coating are compound, the back side of fluorescence coating is compound with prime coat again, the magnetic adsorption but then fit in the back side of prime coat.
2. the glass writing board of a kind of suitable projection as claimed in claim 1, it is characterized in that: the thickness of frosted glass is the 3-16 millimeter.
3. the glass writing board of a kind of suitable projection as claimed in claim 1, it is characterized in that: the thickness of fluorescence coating is the 8-10 micron.
4. the glass writing board of a kind of suitable projection as claimed in claim 1, it is characterized in that: the thickness of prime coat is the 4-6 micron.
5. the glass writing board of a kind of suitable projection as claimed in claim 1 is characterized in that: but magnetic adsorption is galvanized sheet or steel plate, iron plate, iron adhesive plaster.
6. the glass writing board of a kind of suitable projection as claimed in claim 1 is characterized in that: but the thickness of magnetic adsorption is the 0.3-0.8 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220253131 CN202685664U (en) | 2012-05-31 | 2012-05-31 | Glass writing board suitable for projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220253131 CN202685664U (en) | 2012-05-31 | 2012-05-31 | Glass writing board suitable for projection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202685664U true CN202685664U (en) | 2013-01-23 |
Family
ID=47541327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220253131 Expired - Lifetime CN202685664U (en) | 2012-05-31 | 2012-05-31 | Glass writing board suitable for projection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202685664U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227363A (en) * | 2018-03-05 | 2018-06-29 | 深圳市鸿益源科技有限公司 | A kind of preparation process of projecting glass screen |
| CN108454275A (en) * | 2014-07-29 | 2018-08-28 | 上海易教信息科技有限公司 | Anti-dazzle black combining glass and its production method and intelligent blackboard |
| CN108569066A (en) * | 2018-06-01 | 2018-09-25 | 宁波市智宝文具有限公司 | A kind of Glass whiteboard and its production technology |
| CN111976344A (en) * | 2020-08-31 | 2020-11-24 | 福州神罗信息技术有限公司 | Projectable blackboard and its making equipment |
-
2012
- 2012-05-31 CN CN 201220253131 patent/CN202685664U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454275A (en) * | 2014-07-29 | 2018-08-28 | 上海易教信息科技有限公司 | Anti-dazzle black combining glass and its production method and intelligent blackboard |
| CN108227363A (en) * | 2018-03-05 | 2018-06-29 | 深圳市鸿益源科技有限公司 | A kind of preparation process of projecting glass screen |
| CN108569066A (en) * | 2018-06-01 | 2018-09-25 | 宁波市智宝文具有限公司 | A kind of Glass whiteboard and its production technology |
| CN111976344A (en) * | 2020-08-31 | 2020-11-24 | 福州神罗信息技术有限公司 | Projectable blackboard and its making equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
|
| CX01 | Expiry of patent term |