CN207731070U - A kind of projection screen of environment resistant light - Google Patents
A kind of projection screen of environment resistant light Download PDFInfo
- Publication number
- CN207731070U CN207731070U CN201721915007.1U CN201721915007U CN207731070U CN 207731070 U CN207731070 U CN 207731070U CN 201721915007 U CN201721915007 U CN 201721915007U CN 207731070 U CN207731070 U CN 207731070U
- Authority
- CN
- China
- Prior art keywords
- projection screen
- barn door
- led light
- rotation axis
- light
- 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.)
- Expired - Fee Related
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- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
The utility model discloses a kind of projection screens of environment resistant light, including the first projection screen and groove, it is provided with extension board in front of first projection screen, and first projection screen left side, right side and upper end are respectively connected with rotation axis, the left end of the rotation axis is provided with the first barn door, and first is equipped with the first LED light on barn door, the right end of the rotation axis is provided with the second barn door, and second is equipped with the second LED light on barn door, the upper end of the rotation axis is provided with third barn door, and third LED light is installed on third barn door, the back side of first projection screen is provided with the second projection screen, and first projection screen and the second projection screen be externally-arranged with sliding slot.The projection screen of environment resistant light LED light while covering external environmental light can provide stable brightness, and the power of the light of LED light is controllable, can be very good the power that light is controlled according to use demand in this way, and practicability is stronger.
Description
Technical field
The utility model is related to projection screen engineering device technique field, specially a kind of projection screen of environment resistant light.
Background technology
Projection screen is one of product most-often used in projector's peripheral equipment, and projection screen is the abbreviation of projection screen,
If projection screen and projector arrange in pairs or groups proper, good drop shadow effect can be obtained, ring during projection screen use
Border light influences whether using effect, it is therefore desirable to use the projection screen of environment resistant light.But common environment resistant light in the market
Projection screen all there is a series of defects, such as environment resistant light projection screen can only be simple carry out shading, can not
The power of light is controlled according to use demand well, practicability is inadequate, when cleaning projection screen not enough just
Victory, and when cleaning the problem of no good spare projection screen, the presence of these problems all affects in the market
The use of the projection screen of environment resistant light can not meet the demand used, for this purpose, it is proposed that a kind of projection screen of environment resistant light
Curtain.
Invention content
The purpose of this utility model is to provide a kind of projection screens of environment resistant light, to solve to carry in above-mentioned background technology
The projection screen of the environment resistant light gone out can only be simple carry out shading, can not light be controlled according to use demand well
Power, practicability is inadequate, not convenient enough when cleaning projection screen, and not standby well when cleaning
The problem of with projection screen.
To achieve the above object, the utility model provides the following technical solutions:A kind of projection screen of environment resistant light, including
First projection screen and groove are provided with extension board, and the left side of the first projection screen, the right side in front of first projection screen
Side and upper end are respectively connected with rotation axis, and the left end of the rotation axis is provided with the first barn door, and is equipped on the first barn door
The right end of first LED light, the rotation axis is provided with the second barn door, and the second LED light is equipped on the second barn door, described
The upper end of rotation axis is provided with third barn door, and third LED light is equipped on third barn door, first projection screen
The back side is provided with the second projection screen, and the first projection screen and the second projection screen are externally-arranged with sliding slot, and described first
Inlay fluted in the outer surface of projection screen.
Preferably, the appearance and size of the extension board matches with the appearance and size of groove, is between extension board and groove
Dismantling connection structure.
Preferably, first barn door, the second barn door and third barn door and rotation axis constitute rotational structure, and
The slewing area of first barn door, the second barn door and third barn door is 0-180 °.
Preferably, first LED light is embedded in the inside of the first barn door, and the second LED light is embedded in the second barn door
Inside, third LED light is embedded in the inside of third barn door.
Preferably, it is slide construction between second projection screen and the first projection screen and sliding slot.
Preferably, it is perforation shape structure between second projection screen and the first projection screen.
Compared with prior art, the utility model has the beneficial effects that:The projection screen of the environment resistant light is provided with shading
Plate is equipped with LED light on barn door, and LED light can provide stable brightness while covering external environmental light, LED light
The power of light is controllable, can be very good the power that light is controlled according to use demand in this way, and practicability is stronger, setting
There are the first projection screen and the second projection screen, the first projection screen and the second projection screen that can pass through the sliding in sliding slot
It is dismantled, easily facilitates the cleaning to projection screen in this way, and when a projection screen is cleared up wherein
There can be spare projection screen to be used, ensure that normal use, be provided with extension board, extension board can easily be put
Teaching article is set, extension board can be taken out from groove and easily be cleared up, after barn door is closed by the rotation of rotation axis
It can be fitted closely with the first projection screen, barn door can be made to can be very good to prevent the first projection screen in this way
Dirt substantially increases the efficiency used.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model side structure schematic view;
Fig. 3 is the utility model outer surface structure schematic diagram.
In figure:1, the first projection screen, 2, extension board, 3, rotation axis, the 4, first barn door, the 5, first LED light, 6, second
Barn door, the 7, second LED light, 8, third barn door, 9, third LED light, 10, sliding slot, the 11, second projection screen, 12, groove.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution:A kind of projection screen of environment resistant light, including
First projection screen 1, extension board 2, rotation axis 3, the first barn door 4, the first LED light 5, the second barn door 6, the second LED light 7,
Third barn door 8, third LED light 9, sliding slot 10, the second projection screen 11 and groove 12, the front setting of the first projection screen 1
There is extension board 2, and left side, right side and the upper end of the first projection screen 1 are respectively connected with rotation axis 3, the left end of rotation axis 3 is provided with
First barn door 4, and the first LED light 5 is installed on first barn door 4, the right end of rotation axis 3 is provided with the second barn door 6, and
Second LED light 7 is installed, the upper end of rotation axis 3 is provided with third barn door 8, and on third barn door 8 on second barn door 6
Third LED light 9 is installed, the first barn door 4, the second barn door 6 and third barn door 8 constitute rotational structure with rotation axis 3,
And the slewing area of first barn door 4, the second barn door 6 and third barn door 8 is 0-180 °, is covering external environmental light
Meanwhile LED light can provide stable brightness, the power of the light of LED light is controllable, is can be very good in this way according to using
Demand controls the power of light, and practicability is stronger, the first LED light 5 is embedded in the inside of the first barn door 4, the second LED light 7
It is embedded in the inside of the second barn door 6, third LED light 9 is embedded in the inside of third barn door 8, it is ensured that close in barn door
It can be fitted closely with the first projection screen 1 after upper, barn door can be made to can be very good to carry out dust-proof, the first projection in this way
The back side of screen 1 is provided with the second projection screen 11, and the first projection screen 1 and the second projection screen 11 are externally-arranged with cunning
Slot 10 is slide construction, the first projection screen 1 and between second projection screen 11 and the first projection screen 1 and sliding slot 10
Two projection screens 11 can be dismantled by the sliding in sliding slot 10, easily facilitate the cleaning to projection screen in this way,
And can there is spare projection screen to be used when a projection screen is cleared up wherein, it ensure that normal
It uses, is perforation shape structure between the second projection screen 11 and the first projection screen 1, ensure that and dismantled in the first projection screen 1
The second projection screen 11 can be used normally afterwards, and the outer surface of the first projection screen 1 inlays fluted 12, extension board 2 it is outer
Shape size matches with the appearance and size of groove 12, is dismantling connection structure between extension board 2 and groove 12, extension board 2 can be with
It is convenient to place teaching article, extension board 2 can be taken out from groove 12 easily cleared up.
Operation principle:For the projection screen of this kind of environment resistant light, first by the rotation of rotation axis 3 by the first shading
Plate 4, the second barn door 6 and third barn door 8 are rotated by 90 °, and the first barn door 4, the second barn door 6 and third barn door 8 can be with
Ambient light is blocked well, it then can be to projection screen by opening the first LED light 5, the second LED light 7 and third LED light 9
It is illuminated, can be very good to provide stable brightness, by the rotation of rotation axis 3 by the first barn door 4, the second barn door 6
180 ° are rotated with third barn door 8, such first barn door 4, the second barn door 6 and third barn door 8 can be very good and throw
Shadow screen is bonded, projection screen is carried out well it is dust-proof, can be to the by twitch of first projection screen 1 in sliding slot 10
One projection screen 1 carries out dismounting cleaning, and such second projection screen 11 can be very good to carry out spare, and extension board 2 can be placed
Some teaching aids complete the use process of the projection screen of entire environment resistant light like this.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of projection screen of environment resistant light, including the first projection screen(1)And groove(12), it is characterised in that:Described
One projection screen(1)Front be provided with extension board(2), and the first projection screen(1)Left side, right side and upper end be respectively connected with
Rotation axis(3), the rotation axis(3)Left end be provided with the first barn door(4), and the first barn door(4)On be equipped with first
LED light(5), the rotation axis(3)Right end be provided with the second barn door(6), and the second barn door(6)On be equipped with second
LED light(7), the rotation axis(3)Upper end be provided with third barn door(8), and third barn door(8)On third is installed
LED light(9), first projection screen(1)The back side be provided with the second projection screen(11), and the first projection screen(1)With
Second projection screen(11)Be externally-arranged with sliding slot(10), first projection screen(1)Outer surface inlay it is fluted
(12).
2. a kind of projection screen of environment resistant light according to claim 1, it is characterised in that:The extension board(2)It is outer
Shape size and groove(12)Appearance and size match, extension board(2)With groove(12)Between be dismantling connection structure.
3. a kind of projection screen of environment resistant light according to claim 1, it is characterised in that:First barn door(4)、
Second barn door(6)With third barn door(8)With rotation axis(3)Constitute rotational structure, and the first barn door(4), second hide
Tabula rasa(6)With third barn door(8)Slewing area be 0-180 °.
4. a kind of projection screen of environment resistant light according to claim 1, it is characterised in that:First LED light(5)Edge
Embedded in the first barn door(4)Inside, the second LED light(7)It is embedded in the second barn door(6)Inside, third LED light(9)Edge
Embedded in third barn door(8)Inside.
5. a kind of projection screen of environment resistant light according to claim 1, it is characterised in that:Second projection screen
(11)With the first projection screen(1)With sliding slot(10)Between be slide construction.
6. a kind of projection screen of environment resistant light according to claim 1, it is characterised in that:Second projection screen
(11)With the first projection screen(1)Between for perforation shape structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721915007.1U CN207731070U (en) | 2017-12-31 | 2017-12-31 | A kind of projection screen of environment resistant light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721915007.1U CN207731070U (en) | 2017-12-31 | 2017-12-31 | A kind of projection screen of environment resistant light |
Publications (1)
Publication Number | Publication Date |
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CN207731070U true CN207731070U (en) | 2018-08-14 |
Family
ID=63083928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721915007.1U Expired - Fee Related CN207731070U (en) | 2017-12-31 | 2017-12-31 | A kind of projection screen of environment resistant light |
Country Status (1)
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CN (1) | CN207731070U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110444181A (en) * | 2019-08-19 | 2019-11-12 | Oppo广东移动通信有限公司 | Display methods, device, terminal and computer readable storage medium |
-
2017
- 2017-12-31 CN CN201721915007.1U patent/CN207731070U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110444181A (en) * | 2019-08-19 | 2019-11-12 | Oppo广东移动通信有限公司 | Display methods, device, terminal and computer readable storage medium |
CN110444181B (en) * | 2019-08-19 | 2021-01-08 | Oppo广东移动通信有限公司 | Display method, display device, terminal and computer-readable storage medium |
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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: 20180814 Termination date: 20191231 |
|
CF01 | Termination of patent right due to non-payment of annual fee |