CN103713460A - Suspension device of projection screens - Google Patents
Suspension device of projection screens Download PDFInfo
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- CN103713460A CN103713460A CN201310740002.XA CN201310740002A CN103713460A CN 103713460 A CN103713460 A CN 103713460A CN 201310740002 A CN201310740002 A CN 201310740002A CN 103713460 A CN103713460 A CN 103713460A
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- screen
- pair
- light intensity
- plate body
- scroll
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Abstract
The invention discloses a suspension device of projection screens. The suspension device comprises a pair of vertical shafts, a pair of scroll supports, a light intensity sensor, a pair of first motors and a control device. Each scroll support comprises a transversal part and a vertical part, each transversal part is provided with a scroll in a rotating mode, each scroll is provided with one screen in a winding mode, and the vertical parts are arranged on one shaft in a rotating mode. The light intensity sensor is arranged on one scroll support which is close to a light source, wherein when the screen on the scroll support is in an unfolding state, the light intensity sensor is used for detecting the light intensity on the screen on the scroll support. The first motors are connected to the scroll supports respectively. The control device is connected to the light intensity sensor, and when the light intensity value exceeds the preset threshold value, the control device is used for enabling the first motors to drive the corresponding scroll supports to rotate around the shafts so that the screens can be inclined relative to the wall and can be in a shape folded inwards. By means of the suspension device of the projection screens, the light intensity of one screen close to the light source can be effectively reduced, and a good projection effect can be kept.
Description
Technical field
The present invention relates to projection screen, relate in particular to a kind of suspender of projection screen.
Background technology
Along with the development of video frequency tool, it is more and more extensive that projector and projection screen are applied in people's daily life, and have the trend that replaces gradually TV.Projection screen of the prior art is all, accommodating in member of suspender, spool is installed, and projection screen one end is wrapped on spool, and the other end is installed with pull bar.During use, by pull bar, projection screen is pulled out from accommodate member.Projection screen is fixed on body of wall by accommodating member, and its fixed form generally has two kinds: wall-hanging and ceiling embedded.As a rule, after projection screen is fixing, be just difficult to dismounting, be inconvenient to carry out the replacing of screen, can not to the position of screen, adjust according to ambient light.
Summary of the invention
The object of the present invention is to provide and a kind ofly can change according to the situation of ambient light the suspender of the direction of a pair of screen.
Technical scheme provided by the invention is:
A suspender for projection screen, comprising:
The axle of a pair of vertical setting;
A pair of scroll support, each scroll support comprises lateral part and vertical part, and a spool is arranged on described lateral part rotationally, on each spool, reels and is provided with a screen, and each vertical part is arranged on an axle rotationally;
Light intensity sensor, it is arranged near on a scroll support of light source, and the screen on this scroll support is when deployed condition, for detection of the light intensity at the screen place on this scroll support;
A pair of the first motor, each first motor is connected to respectively a scroll support;
Control device, it is connected to described light intensity sensor, receive the light intensity value of described light intensity sensor, when surpassing setting threshold, light intensity value sends control signal to each first motor, make each first motor drive scroll support separately to pivot, thereby a pair of screen is all tilted with respect to metope, and a pair of screen present the shape of inward collapsible.
Preferably, the suspender of described projection screen, also comprises:
Partition member, it is between a pair of scroll support, described partition member comprises support bar and plate body, the middle part of described plate body has through hole, and described plate body is set on described support bar rotationally by described through hole, and one end of described support bar is connected to the second motor, described support bar is also arranged on a support rotationally, the one side of described plate body is projecting plane, and another side is for separating face, described in separate face and be black;
Between a pair of scroll support, there is a vertical space of extending, described plate body is positioned at described gap, both sides of the edge are connected respectively a pair of screen, when a pair of screen is all parallel with respect to metope, the projecting plane of described plate body toward the outer side, makes the projecting plane of a pair of screen and plate body be connected each other shape in aggregates, when a pair of screen all tilts with respect to metope, separating facing to outside of described plate body, is distinguished from each other a pair of screen.
Preferably, in the suspender of described projection screen, one side setting and the screen of described plate body has the material of consistent material to form projecting plane.
Preferably, in the suspender of described projection screen, a holder is stretched out respectively in the bottom of described plate body to both sides, and each holder is clamped in the bottom of a screen.
Preferably, in the suspender of described projection screen, each lateral part also comprises fixed part and slipper, and wherein, described slipper has the slide rail of the T shape that is parallel to described spool direction setting; Described admittedly moving part tool is for the described slide rail chute that portion does relative sliding and can skid off within it.
Preferably, in the suspender of described projection screen, the inside of described chute comprises by upper edge, the first that part bottom and upper lateral part limit, lower edge and another part bottom, second portion and the third part between described first and described second portion that following side limits, wherein, under state of nature, the lower end part of described slide rail is in second portion, slide rail described in described chute supported, the upper-end part of driving of described slide rail is in first, and remain with certain space between the upper end of described slide rail and described upper lateral part, the width in this space is greater than the width of the bottom of described slide rail.
Preferably, in the suspender of described projection screen, the part bottom that forms first has the curved surfaces of depression.
The suspender of projection screen provided by the present invention comprises a pair of scroll support, a pair of the first motor, light intensity sensor and control device, relatively near a screen of light source during in deployed condition, light intensity sensor detects the light intensity at this screen place, as the light intensity at this screen place exceeds setting threshold, make a pair of screen tilt with respect to metope, and be the shape that forms inward collapsible, like this, just can effectively reduce the light intensity near a screen of light source, thereby keep good drop shadow effect.In addition, the lateral part of scroll support is designed to fixed part and slipper two parts, the two is can relative sliding ground mode connecting, thereby can easily a projection screen be taken off.Simultaneously, when the upper-end part of driving of slide rail is in first, between upper end and upper lateral part, retained and there is certain width space, when needs are removed projection screen, projection screen upwards can be lifted, upper end continues to move to above-mentioned space, and bottom away from second portion is more convenient for the use of projection screen.
Accompanying drawing explanation
Fig. 1 is the suspender of projection screen of the present invention structural representation before adjusting direction;
Fig. 2 is the suspender of projection screen of the present invention structural representation after adjusting direction;
Fig. 3 is the structural representation of lateral part of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to instructions word.
As depicted in figs. 1 and 2, the invention provides a kind of suspender of projection screen, comprising: the axle 3 of a pair of vertical setting; A pair of scroll support, each scroll support comprises that lateral part 4 and vertical part 2, one spools are arranged on described lateral part 4 rotationally, on each spool, reels and is provided with a screen, each vertical part is arranged on an axle rotationally; Light intensity sensor 6, it is arranged near on a scroll support of light source, and the screen 5 on this scroll support is when deployed condition, for detection of the light intensity at the screen place on this scroll support; A pair of the first motor, each first motor is connected to respectively a scroll support; Control device, it is connected to described light intensity sensor 6, receive the light intensity value of described light intensity sensor, when surpassing setting threshold, light intensity value sends control signal to each first motor, make each first motor drive scroll support separately to pivot, thereby a pair of screen is all tilted with respect to metope, and a pair of screen present the shape of inward collapsible.
Light intensity when the screen place near light source one side surpasses a setting threshold (described light source can be window, can be also daylight lamp), just makes a pair of screen come closer, and with shield portions light, thereby guarantees drop shadow effect.When light intensity meets the demands, still can make a pair of screen be parallel to metope.
When a pair of screen inward collapsible, can form two a series of paintings faces arranged side by side to the projection respectively of a pair of screen, now for the ease of distinguishing two screens, use partition member 9, in this case, use the face that separates of plate body; And when a pair of screen is parallel to metope and arranges, a pair of screen can be done to the as a whole projection of carrying out, the transition that picture is level and smooth is realized by the projecting plane of plate body in the gap between the two.The suspender of described projection screen, also comprise: partition member 9, it is between a pair of scroll support, and described partition member comprises support bar and plate body 7, and the middle part of described plate body has through hole, described plate body is set on described support bar rotationally by described through hole, one end of described support bar is connected to the second motor, and described support bar is also arranged on a support rotationally, and the one side of described plate body is projecting plane 8, another side is for separating face 10, described in separate face and be black; Between a pair of scroll support, there is a vertical space of extending, described plate body is positioned at described gap, both sides of the edge are connected respectively a pair of screen, when a pair of screen is all parallel with respect to metope, the projecting plane 8 of described plate body toward the outer side, makes the projecting plane of a pair of screen and plate body be connected each other shape in aggregates, when a pair of screen 5 all tilts with respect to metope, the face that separates 10 of described plate body toward the outer side, is distinguished from each other a pair of screen 5.
In order to make the picture transition nature between a pair of screen, in the suspender of described projection screen, one side setting and the screen of described plate body has the material of consistent material to form projecting plane.
In order to keep each projection screen can keep in the suspender of smooth, described projection screen, a holder is stretched out respectively in the bottom of described plate body to both sides, and each holder is clamped in the bottom of a screen.Above-mentioned holder can adopt the structures such as clip, hook.
Projection screen of the present invention not only can change direction, can also change the distance between the two, in the suspender of described projection screen, each lateral part 4 also comprises fixed part and slipper, wherein, described slipper has the slide rail 11 of the T shape that is parallel to described spool direction setting; Described admittedly moving part tool is for the described slide rail chute 12 that portion does relative sliding and can skid off within it.
Referring to Fig. 3, in the suspender of described projection screen, the inside of described chute comprises by upper edge 13, the first that part bottom 15 and upper lateral part 16 limit, lower edge 14 and another part bottom 15, second portion and the third part between described first and described second portion that following side 17 limits, wherein, under state of nature, the bottom 20 of described slide rail is positioned at second portion, slide rail described in described chute supported, the upper end 19 of described slide rail is positioned at first, and remain with certain space 18 between the upper end of described slide rail and described upper lateral part, the width in this space 18 is greater than the width of the bottom of described slide rail.Based on above-mentioned design, when needs are extractd a screen, just screen upwards to be lifted, the upper end of slide rail can continue to move in above-mentioned space, thereby bottom can be deviate from from second portion; When needs are installed a screen, first upper end is inserted in first, upper end is entered in above-mentioned space, thereby make bottom can enter second portion, afterwards screen is put down, chute can provide support for slide rail.
In above-mentioned installation process, in order to make upper end more easily enter first, in the suspender of described projection screen, the part bottom that forms first has the curved surfaces of depression.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in instructions and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (7)
1. a suspender for projection screen, is characterized in that, comprising:
The axle of a pair of vertical setting;
A pair of scroll support, each scroll support comprises lateral part and vertical part, and a spool is arranged on described lateral part rotationally, on each spool, reels and is provided with a screen, and each vertical part is arranged on an axle rotationally;
Light intensity sensor, it is arranged near on a scroll support of light source, and the screen on this scroll support is when deployed condition, for detection of the light intensity at the screen place on this scroll support;
A pair of the first motor, each first motor is connected to respectively a scroll support;
Control device, it is connected to described light intensity sensor, receive the light intensity value of described light intensity sensor, when surpassing setting threshold, light intensity value sends control signal to each first motor, make each first motor drive scroll support separately to pivot, thereby a pair of screen is all tilted with respect to metope, and a pair of screen present the shape of inward collapsible.
2. the suspender of projection screen as claimed in claim 1, is characterized in that, also comprises:
Partition member, it is between a pair of scroll support, described partition member comprises support bar and plate body, the middle part of described plate body has through hole, and described plate body is set on described support bar rotationally by described through hole, and one end of described support bar is connected to the second motor, described support bar is also arranged on a support rotationally, the one side of described plate body is projecting plane, and another side is for separating face, described in separate face and be black;
Between a pair of scroll support, there is a vertical space of extending, described plate body is positioned at described gap, both sides of the edge are connected respectively a pair of screen, when a pair of screen is all parallel with respect to metope, the projecting plane of described plate body toward the outer side, makes the projecting plane of a pair of screen and plate body be connected each other shape in aggregates, when a pair of screen all tilts with respect to metope, separating facing to outside of described plate body, is distinguished from each other a pair of screen.
3. the suspender of projection screen as claimed in claim 1, is characterized in that, one side setting and the screen of described plate body has the material of consistent material to form projecting plane.
4. the suspender of projection screen as claimed in claim 1, is characterized in that, a holder is stretched out respectively in the bottom of described plate body to both sides, and each holder is clamped in the bottom of a screen.
5. the suspender of the projection screen as described in any one in claim 1 to 4, is characterized in that, each lateral part also comprises fixed part and slipper, and wherein, described slipper has the slide rail of the T shape that is parallel to described spool direction setting; Described admittedly moving part tool is for the described slide rail chute that portion does relative sliding and can skid off within it.
6. the suspender of projection screen as claimed in claim 5, it is characterized in that, the inside of described chute comprises by upper edge, the first that part bottom and upper lateral part limit, lower edge and another part bottom, second portion and the third part between described first and described second portion that following side limits, wherein, under state of nature, the lower end part of described slide rail is in second portion, slide rail described in described chute supported, the upper-end part of driving of described slide rail is in first, and remain with certain space between the upper end of described slide rail and described upper lateral part, the width in this space is greater than the width of the bottom of described slide rail.
7. the suspender of projection screen as claimed in claim 6, is characterized in that, the part bottom that forms first has the curved surfaces of depression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740002.XA CN103713460B (en) | 2013-12-27 | 2013-12-27 | A kind of suspender of projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740002.XA CN103713460B (en) | 2013-12-27 | 2013-12-27 | A kind of suspender of projection screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103713460A true CN103713460A (en) | 2014-04-09 |
| CN103713460B CN103713460B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310740002.XA Active CN103713460B (en) | 2013-12-27 | 2013-12-27 | A kind of suspender of projection screen |
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| Country | Link |
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| CN (1) | CN103713460B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007600A (en) * | 2014-04-25 | 2014-08-27 | 江汉大学 | Projector system |
| CN108535945A (en) * | 2018-03-30 | 2018-09-14 | 苏州金螳螂文化发展股份有限公司 | A kind of movie theatre intelligence projection door system |
Citations (6)
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|---|---|---|---|---|
| US5491584A (en) * | 1993-06-20 | 1996-02-13 | Cinerent Open Air Ag | Pivotal, large area cinematographic screen for open-air performances |
| US20070158530A1 (en) * | 2006-01-12 | 2007-07-12 | Coretronic Corporation | Electric screen |
| CN201035305Y (en) * | 2007-04-06 | 2008-03-12 | 扬昕科技(苏州)有限公司 | Projection curtain |
| CN202178851U (en) * | 2011-08-24 | 2012-03-28 | 上海大学 | Volume display system based on multi-screen translation scan |
| CN202904215U (en) * | 2012-11-01 | 2013-04-24 | 上海市格致中学 | Rotatable projection screen |
| CN203720523U (en) * | 2013-12-27 | 2014-07-16 | 周庆芬 | Suspension device of projection screen |
-
2013
- 2013-12-27 CN CN201310740002.XA patent/CN103713460B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5491584A (en) * | 1993-06-20 | 1996-02-13 | Cinerent Open Air Ag | Pivotal, large area cinematographic screen for open-air performances |
| US20070158530A1 (en) * | 2006-01-12 | 2007-07-12 | Coretronic Corporation | Electric screen |
| CN201035305Y (en) * | 2007-04-06 | 2008-03-12 | 扬昕科技(苏州)有限公司 | Projection curtain |
| CN202178851U (en) * | 2011-08-24 | 2012-03-28 | 上海大学 | Volume display system based on multi-screen translation scan |
| CN202904215U (en) * | 2012-11-01 | 2013-04-24 | 上海市格致中学 | Rotatable projection screen |
| CN203720523U (en) * | 2013-12-27 | 2014-07-16 | 周庆芬 | Suspension device of projection screen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007600A (en) * | 2014-04-25 | 2014-08-27 | 江汉大学 | Projector system |
| CN108535945A (en) * | 2018-03-30 | 2018-09-14 | 苏州金螳螂文化发展股份有限公司 | A kind of movie theatre intelligence projection door system |
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| Publication number | Publication date |
|---|---|
| CN103713460B (en) | 2016-02-17 |
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Address after: 536000 Jilin Beihai Road, Taiwan Road, Northeast China Electronics Beihai Industrial Park incubator building, room, 3rd floor, Room 302 Patentee after: Zhou Qingfen Address before: 530012 the Guangxi Zhuang Autonomous Region Nanning Qingxiu District Zhongshan Road East Patentee before: Zhou Qingfen |