CN203811974U - A telescopic projection screen - Google Patents
A telescopic projection screen Download PDFInfo
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- CN203811974U CN203811974U CN201420070316.3U CN201420070316U CN203811974U CN 203811974 U CN203811974 U CN 203811974U CN 201420070316 U CN201420070316 U CN 201420070316U CN 203811974 U CN203811974 U CN 203811974U
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- 230000007246 mechanism Effects 0.000 claims description 80
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 2
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
A telescopic projection screen relates to the field of displaying, and more specifically relates to the field of projection displaying. The telescopic projection screen comprises a projector and a projection screen. The telescopic projection screen also comprises a display support. A display screen installation frame is arranged in front of the display support. The projection screen is installed on the display screen installation frame. Light emitted by a projection lens of the projector is projected towards the projection screen from the position behind the projection screen. The display support employs a telescopic display support. The dimension of the telescopic projection screen can be changed, and the telescopic projection screen is applicable to different occasions and different demands.
Description
Technical field
The utility model relates to demonstration field, is specifically related to field of projection display.
Background technology
Along with popularizing of smart machine in daily life and work, display screen is also used widely in people's live and work.
Existing display mainly contains CRT monitor, LCD display, light-emitting diode display, and rear projection display.These displays respectively have advantage, but also respectively have deficiency.
Such as the size of existing these displays is difficult to change, can not be applicable to different occasions and different demand.
Utility model content
The purpose of this utility model is, provides a kind of telescopic projection screen, to address the above problem.
The technical matters that the utility model solves can realize by the following technical solutions:
Telescopic projection screen, comprises a projection screen, it is characterized in that, also comprises a display bracket, and described display bracket the place ahead is provided with a display screen installing frame, on described display screen installing frame, described projection screen is installed; Described display bracket is provided with a projection lens interface;
The light that the projection lens that projection lens interface accesses sends is invested described projection screen from described projection screen rear;
Described display bracket adopts a telescopic display bracket.
The size of telescopic projection screen can change, and can be applicable to different occasions and different demand.
Described display bracket is in thickness direction, short transverse, Width, and at least one direction is scalable.
Described projection screen is a flexible projection.
Described projection lens interface can be positioned at described display bracket rear.And then the projection lens that makes projector is positioned at described display bracket rear.
Can be that described projector is positioned at described display bracket.In described display bracket, be also provided with accumulator, described accumulator connects described projector.So that power supply.
Described projection lens interface is positioned at described display bracket rear.
Described flexible projection is one to have flexible flexible projection.
On described display bracket, being surrounded by a shading surrounds.To improve display effect, and play a protective role.
The color that inner side is surrounded in described shading is black.Described shading is surrounded inner side for frosted material.
In described display bracket, be also provided with at least one reflective mirror, the light of described projection lens projects on described projection screen through at least one described reflective mirror.
The described reflective mirror being also provided with in described display bracket is level crossing.
Described level crossing is arranged on described display bracket rear.Described projection lens is arranged on described display bracket the place ahead.Described projection lens to described level crossing, then, after flat mirror reflects, is incident upon ray cast on described projection screen.So that guaranteeing, on the basis of imaging size, to reduce display bracket thickness.
In described display bracket, be provided with at least two level crossings, one level crossing minute surface is towards rear, another level crossing minute surface is towards the place ahead, described projection lens is arranged on described display bracket rear, and towards minute surface level crossing backwards, the reflection direction of minute surface level crossing is backwards towards minute surface level crossing forward, and the reflection direction of minute surface level crossing is forward towards described projection screen.The light that projection lens sends is incident upon and on projection screen, carries out imaging after two flat mirror reflects.
Or in described display bracket, be provided with a convex surface reflective mirror.Or in described display bracket, be provided with a convex surface reflective mirror and be also provided with a concave mirror, form an optical combination system.To improve display frame.
The profile of display screen installing frame can be circle or rectangle.
Described projector is the built-in projector that is built-in with the mobile phone of projector.
Also can be that described projector is the built-in projector that is built-in with the camera of projector.
Also can be that described projector is the built-in projector that is built-in with the computer of projector.
Also comprise a touch-screen system, the touch pad of described touch-screen system is described projection screen.
The touch sensing system of described touch-screen system is positioned on described display bracket.Be preferably placed at described display screen installing frame place.So that the touch action on perception screen.Described touch-screen system can be Infrared touch screen systems, ultrasonic touch screen system, optical touch screen systems etc.
Also can be that described touch-screen system adopts camera touch-screen, the touch sensing system of described camera touch-screen be positioned at described projection lens avris.The touch sensing system of described camera touch-screen receives the touch image on described screen.
Described display bracket comprises a scalable skeleton.Can also comprise a scalable occulter, described scalable occulter wraps on described scalable skeleton.By described scalable occulter, play interception.
Described projection lens interface is fixedly connected with described scalable skeleton.To guarantee projection lens fixation, and location positioning.
Described scalable skeleton comprises thickness telescoping mechanism, and the front end of described thickness telescoping mechanism connects the described display screen installing frame in described display bracket the place ahead; The rear end of described thickness telescoping mechanism connects described display bracket rear end.By described thickness telescoping mechanism, adjust telescopic projection screen thickness.
Described thickness telescoping mechanism comprises at least one expansion link, usings this expansion link as thickness expansion link, and described thickness expansion link front end connects the described display screen installing frame in described display bracket the place ahead; Described thickness expansion link rear end connects described display bracket rear end.By stretching of described thickness expansion link, can adjust telescopic projection screen thickness.
Described projection lens interface is fixedly connected with the rear end of thickness telescoping mechanism.Preferred described projection lens interface is fixedly connected with described thickness expansion link rear end.Described projection lens can be without catoptron directly to described projection screen projection.
Described scalable skeleton also comprises width-telescopic mechanism, and described width-telescopic mechanism is arranged at least one place of top, described display screen installing frame place or below; Described width-telescopic mechanism left-hand end is connected with described display screen installing frame left side; Described width-telescopic mechanism right-hand end is connected with described display screen installing frame right side.By the telescopic projection screen width of described width-telescopic institutional adjustment.
Described width-telescopic mechanism comprises at least one expansion link, usings this expansion link as width-telescopic bar, and described width-telescopic bar left end connects described display screen installing frame left side; Described width-telescopic bar right-hand member connects described display screen installing frame right side.By described width-telescopic bar, adjust telescopic projection screen width.
Described scalable skeleton also comprises height telescoping mechanism, and described height telescoping mechanism is arranged on described display screen installing frame place's left or right-hand at least one place; Described height telescoping mechanism upside is connected with described display screen installing frame upside; Described height telescoping mechanism lower side is connected with described display screen installing frame downside.By described height telescoping mechanism, adjust telescopic projection screen height.
Described height telescoping mechanism comprises at least one expansion link, usings this expansion link as height expansion link, and described height expansion link upper end connects described display screen installing frame upside; Described height expansion link lower end connects described display screen installing frame downside.By described height expansion link, adjust telescopic projection screen height.
Described scalable skeleton comprises at least two described width-telescopic bars, and two described width-telescopic bars lay respectively at upside and the downside of described display screen installing frame.
Described scalable skeleton comprises at least two described height expansion links, and two described height expansion links lay respectively at left side and the right side of described display screen installing frame.
Described scalable skeleton comprises at least four described thickness expansion links, and four described thickness expansion link front ends connect four bights of described display screen installing frame.
Described display bracket rear end is provided with a thickness expansion link web member, and at least four described thickness expansion link rear ends are connected on described thickness expansion link web member.
Be preferably as follows scheme:
Article two, described width-telescopic bar lays respectively at upside and the downside of described display screen installing frame; Article two, described height expansion link lays respectively at left side and the right side of described display screen installing frame; Article four, described thickness expansion link front end connects four bights of described display screen installing frame;
The left and right two ends of described width-telescopic bar of upside, connect respectively the height expansion link upper end in left side and the height expansion link upper end on right side; The left and right two ends of described width-telescopic bar of downside, connect respectively the height expansion link lower end in left side and the height expansion link lower end on right side; Thereby surround a display screen telescopic frame.
Article at least four, described thickness expansion link rear end is connected on the thickness expansion link web member of described display bracket rear end, and four described thickness expansion link front ends are connected respectively to four bights of described display screen telescopic frame.
By above-mentioned design, can realize the integral telescopic of telescopic projection screen.
Article at least two, described thickness expansion link rear end is flexibly connected with described thickness expansion link web member.
Also comprise at least one flexible power system, described flexible power system drives at least one connection in width-telescopic mechanism, height telescoping mechanism, thickness telescoping mechanism.
Preferably, described flexible power system connects at least one in described width-telescopic bar, height expansion link, thickness expansion link.
Described flexible power system comprises an expansion strip drive system, and described expansion strip drive system comprises a flexible expansion strip and a driving mechanism;
Described flexible expansion strip through at least one in described width-telescopic bar, height expansion link, thickness expansion link, and end connects at least one end one joint in described width-telescopic bar, height expansion link, thickness expansion link.
While stretching out under the driving at described flexible expansion strip at described driving mechanism, the pressure of connection expansion link end one joint increases, thereby drives expansion link to extend.
At described flexible expansion strip, in the driving of described driving mechanism time receiving next time, a joint pulling force of connection expansion link end increases, thereby drives expansion link to shorten.
Preferably, a flexible expansion strip runs through described width-telescopic bar, height expansion link and thickness expansion link.So that simultaneously drive each expansion link, so that simplified structure.
Described expansion strip drive system also comprises that one for holding the flexible expansion strip holding mechanism of the flexible expansion strip of recovery.
Described flexible expansion strip holding mechanism can be a container cavity, can be also a roll shaft.
Described driving mechanism adopts a gear driven mechanism, and the gear of described gear driven mechanism connects a motor by a gear train; Described flexible expansion strip one side is tooth bar, described tooth bar and the engagement of described gear.By gear driving rack, and then drive flexible expansion strip action.
Described flexible power system can also adopt a Pneumatic extension power system, and described Pneumatic extension power system comprises an air pump; At least one UNICOM in the valve of described air pump and described width-telescopic bar, height expansion link, thickness expansion link, in the expansion link of Qie Suo UNICOM, at least one endcapped.
By above-mentioned design, when needs expansion link extends, can increase air pressure by described air-pump inflating, impel expansion link to extend.When needs expansion link shortens, can, by the air-breathing air pressure that reduces of described air pump, impel expansion link to shorten.
Described width-telescopic bar, height expansion link and thickness expansion link UNICOM, and junction sealing, the valve UNICOM of one of them expansion link and described air pump.Thereby realize the object that an air pump drives each expansion link.
In described display bracket, be also provided with accumulator, described accumulator connects described motor.So that power supply.
Accompanying drawing explanation
Fig. 1 is a kind of one-piece construction schematic diagram of telescopic projection screen;
Fig. 2 is the another kind of one-piece construction schematic diagram of telescopic projection screen.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, Fig. 2, telescopic projection screen, a projection screen 2, also comprises a display bracket 3, display bracket 3 the place aheads are provided with a display screen installing frame 31, and projection screen 2 is installed on display screen installing frame 31.The light that the projection lens of the projector 1 accessing by projection lens interface sends is invested projection screen 2 from projection screen 2 rears.Display bracket 3 adopts a telescopic display bracket 3.Display bracket 3 is in thickness direction, short transverse, Width, and at least one direction is scalable.Preferably, projection screen 2 is a flexible projection 2.Further preferably, flexible projection 2 is one to have flexible flexible projection 2.On display bracket 3, being surrounded by a shading surrounds.To improve display effect, and play a protective role.The color that inner side is surrounded in shading is black.Shading is surrounded inner side for frosted material.The profile of display screen installing frame 31 can be circle or rectangle.Telescopic projection screen also comprises a touch-screen system, and the touch pad of touch-screen system is projection screen 2.
The touch sensing system of touch-screen system is positioned on display bracket 3.Be preferably placed at display screen installing frame 31 places.So that the touch action on perception screen.Touch-screen system can be Infrared touch screen systems, ultrasonic touch screen system, optical touch screen systems etc.Also can be that touch-screen system adopts camera touch-screen, the touch sensing system of camera touch-screen be positioned at projection lens avris.The touch sensing system of camera touch-screen receives the touch image on screen.
The projection lens of projector 1 can be positioned at display bracket 3 rears.Can be that projector 1 is positioned at display bracket 3.In display bracket 3, be also provided with accumulator, accumulator connects projector 1.So that power supply.Display bracket 3 is provided with a projection lens interface.So that outer projections instrument is installed by projection lens interface.
By projection lens interface access outer projections instrument 1, can for be built-in with the mobile phone of projector built-in projector, be built-in with projector camera built-in projector or be built-in with the built-in projector etc. of the computer of projector.
Preferably, projection lens interface is positioned at display bracket 3 rears.Display bracket 3 is interior can also be provided with at least one reflective mirror, and the light of projection lens projects on projection screen 2 through at least one reflective mirror.
With reference to Fig. 2, reflective mirror can be level crossing 4.Level crossing 4 can be arranged on display bracket 3 rears.Projection lens is arranged on display bracket 3 the place aheads.Projection lens to level crossing 4, then, after level crossing 4 reflections, is incident upon ray cast on projection screen 2.So that guaranteeing, on the basis of imaging size, to reduce display bracket 3 thickness.
Can also be:
In display bracket 3, be provided with at least two level crossings 4, one level crossing 4 minute surfaces are towards rear, another level crossing 4 minute surfaces are towards the place ahead, projection lens is arranged on display bracket 3 rears, and towards minute surface level crossing 4 backwards, the reflection direction of minute surface level crossing 4 is backwards towards minute surface level crossing 4 forward, and the reflection direction of minute surface level crossing 4 is forward towards projection screen 2.The light that projection lens sends is incident upon and on projection screen 2, carries out imaging after two level crossings 4 reflection.
Or in display bracket 3, be provided with a convex surface reflective mirror.Or in display bracket 3, be provided with a convex surface reflective mirror and be also provided with a concave mirror, form an optical combination system.To improve display frame.
The specific design of display bracket stretching structure:
Display bracket 3 comprises a scalable skeleton.Projection lens interface is fixedly connected with scalable skeleton.To guarantee projection lens fixation, and location positioning.Can also comprise a scalable occulter, scalable occulter wraps on scalable skeleton.By scalable occulter, play interception.
Scalable skeleton comprises thickness telescoping mechanism, and the front end of thickness telescoping mechanism connects the display screen installing frame 31 in display bracket 3 the place aheads.The rear end of thickness telescoping mechanism connects display bracket 3 rear ends.By thickness telescoping mechanism, adjust telescopic projection screen thickness.
Thickness telescoping mechanism comprises at least one expansion link, usings this expansion link as thickness expansion link, and thickness expansion link front end connects the display screen installing frame 31 in display bracket 3 the place aheads.Thickness expansion link rear end connects display bracket 3 rear ends.By stretching of thickness expansion link, can adjust telescopic projection screen thickness.Projection lens interface is fixedly connected with the rear end of thickness telescoping mechanism.Preferably projection lens interface is fixedly connected with thickness expansion link rear end.Projection lens can be without catoptron directly to projection screen 2 projections.
Scalable skeleton also comprises width-telescopic mechanism, and width-telescopic mechanism is arranged at least one place of display screen installing frame 31 tops, place or below; Width-telescopic mechanism left-hand end is connected with display screen installing frame 31 left sides; Width-telescopic mechanism right-hand end is connected with display screen installing frame 31 right sides.By the telescopic projection screen width of width-telescopic institutional adjustment.
Width-telescopic mechanism comprises at least one expansion link, usings this expansion link as width-telescopic bar, and width-telescopic bar left end connects display screen installing frame 31 left sides; Width-telescopic bar right-hand member connects display screen installing frame 31 right sides.By width-telescopic bar, adjust telescopic projection screen width.
Scalable skeleton also comprises height telescoping mechanism, and height telescoping mechanism is arranged on display screen installing frame 31 place's lefts or right-hand at least one place; Height telescoping mechanism upside is connected with display screen installing frame 31 upsides; Height telescoping mechanism lower side is connected with display screen installing frame 31 downsides.By height telescoping mechanism, adjust telescopic projection screen height.
Height telescoping mechanism comprises at least one expansion link, usings this expansion link as height expansion link, and height expansion link upper end connects display screen installing frame 31 upsides; Height expansion link lower end connects display screen installing frame 31 downsides.By height expansion link, adjust telescopic projection screen height.
Scalable skeleton comprises at least two width-telescopic bars, and two width-telescopic bars lay respectively at upside and the downside of display screen installing frame 31.Scalable skeleton comprises at least two height expansion links, and two height expansion links lay respectively at left side and the right side of display screen installing frame 31.Scalable skeleton comprises at least four thickness expansion links, and four thickness expansion link front ends connect four bights of display screen installing frame 31.Display bracket 3 rear ends are provided with a thickness expansion link web member, and at least four thickness expansion link rear ends are connected on thickness expansion link web member.
Be preferably as follows scheme:
Article two, width-telescopic bar lays respectively at upside and the downside of display screen installing frame 31; Article two, height expansion link lays respectively at left side and the right side of display screen installing frame 31; Article four, thickness expansion link front end connects four bights of display screen installing frame 31; The left and right two ends of width-telescopic bar of upside, connect respectively the height expansion link upper end in left side and the height expansion link upper end on right side; The left and right two ends of width-telescopic bar of downside, connect respectively the height expansion link lower end in left side and the height expansion link lower end on right side; Thereby surround a display screen telescopic frame.Article at least four, thickness expansion link rear end is connected on the thickness expansion link web member of display bracket 3 rear ends, and four thickness expansion link front ends are connected respectively to four bights of display screen telescopic frame.Article at least two, thickness expansion link rear end is flexibly connected with thickness expansion link web member.By above-mentioned design, can realize the integral telescopic of telescopic projection screen.
Also comprise at least one flexible power system, flexible power system drives at least one connection in width-telescopic mechanism, height telescoping mechanism, thickness telescoping mechanism.Preferably, flexible power system connects at least one in width-telescopic bar, height expansion link, thickness expansion link.
Flexible power system comprises an expansion strip drive system, and expansion strip drive system comprises a flexible expansion strip and a driving mechanism; Flexible expansion strip through at least one in width-telescopic bar, height expansion link, thickness expansion link, and end connects at least one end one joint in width-telescopic bar, height expansion link, thickness expansion link.
While stretching out under the driving at flexible expansion strip at driving mechanism, the pressure of connection expansion link end one joint increases, thereby drives expansion link to extend.At flexible expansion strip, in the driving of driving mechanism time receiving next time, a joint pulling force of connection expansion link end increases, thereby drives expansion link to shorten.Preferably, a flexible expansion strip runs through width-telescopic bar, height expansion link and thickness expansion link.So that simultaneously drive each expansion link, so that simplified structure.
Expansion strip drive system also comprises that one for holding the flexible expansion strip holding mechanism of the flexible expansion strip of recovery.Flexible expansion strip holding mechanism can be a container cavity, can be also a roll shaft.Driving mechanism adopts a gear driven mechanism, and the gear of gear driven mechanism connects a motor by a gear train; Flexible expansion strip one side is tooth bar, rack and pinion engagement.By gear driving rack, and then drive flexible expansion strip action.
Flexible power system can also adopt a Pneumatic extension power system, and Pneumatic extension power system comprises an air pump; At least one UNICOM in the valve of air pump and width-telescopic bar, height expansion link, thickness expansion link, in the expansion link of Qie Suo UNICOM, at least one endcapped.By above-mentioned design, when needs expansion link extends, can increase air pressure by air-pump inflating, impel expansion link to extend.When needs expansion link shortens, can, by the air-breathing air pressure that reduces of air pump, impel expansion link to shorten.Width-telescopic bar, height expansion link and thickness expansion link UNICOM, and junction sealing, the valve UNICOM of one of them expansion link and air pump.Thereby realize the object that an air pump drives each expansion link.In display bracket 3, be also provided with accumulator, accumulator connects motor.So that power supply.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (65)
1. telescopic projection screen, comprises a projection screen, it is characterized in that, also comprises a display bracket, and described display bracket the place ahead is provided with a display screen installing frame, on described display screen installing frame, described projection screen is installed; Described display bracket is provided with a projection lens interface;
The light that the projection lens that projection lens interface accesses sends is invested described projection screen from described projection screen rear;
Described display bracket adopts a telescopic display bracket.
2. telescopic projection screen according to claim 1, is characterized in that: described display bracket is in thickness direction, short transverse, Width, and at least one direction is scalable.
3. telescopic projection screen according to claim 1, is characterized in that: described projection screen is a flexible projection.
4. the telescopic projection screen of stating according to claim 3, is characterized in that: described flexible projection is one to have flexible flexible projection.
5. according to telescopic projection screen claimed in claim 1, it is characterized in that: described projection lens interface is positioned at described display bracket rear.
6. according to the telescopic projection screen of claim 1, it is characterized in that: described projector is positioned at described display bracket.
7. the telescopic projection screen of stating according to claim 1, is characterized in that: in described display bracket, be also provided with accumulator, described accumulator connects described projector.
8. according to telescopic projection screen claimed in claim 1, it is characterized in that: on described display bracket, be surrounded by a shading and surround.
9. the telescopic projection screen of stating according to claim 8, is characterized in that: the color that inner side is surrounded in described shading is black.
10. telescopic projection screen claimed in claim 8, is characterized in that: described shading is surrounded inner side for frosted material.
11. telescopic projection screens according to claim 1, is characterized in that: in described display bracket, be also provided with at least one reflective mirror, the light of described projection lens projects on described projection screen through at least one described reflective mirror.
12. telescopic projection screens according to claim 11, is characterized in that: the described reflective mirror being also provided with in described display bracket is level crossing.
13. telescopic projection screens according to claim 11, is characterized in that: described level crossing is arranged on described display bracket rear.
14. telescopic projection screens according to claim 13, is characterized in that: described projection lens is arranged on described display bracket the place ahead.
15. telescopic projection screens according to claim 14, is characterized in that: described projection lens to described level crossing, then, after flat mirror reflects, is incident upon ray cast on described projection screen.
16. telescopic projection screens according to claim 1, it is characterized in that: in described display bracket, be provided with at least two level crossings, one level crossing minute surface is towards rear, another level crossing minute surface is towards the place ahead, described projection lens is arranged on described display bracket rear, and towards minute surface level crossing backwards, the reflection direction of minute surface level crossing is backwards towards minute surface level crossing forward, and the reflection direction of minute surface level crossing is forward towards described projection screen.
17. telescopic projection screens according to claim 16, is characterized in that: the light that projection lens sends is incident upon and on projection screen, carries out imaging after two flat mirror reflects.
18. telescopic projection screens according to claim 1, is characterized in that: in described display bracket, be provided with a convex surface reflective mirror.
19. telescopic projection screens according to claim 1, is characterized in that: in described display bracket, be provided with a convex surface reflective mirror and be also provided with a concave mirror, form an optical combination system.
20. telescopic projection screens according to claim 1, is characterized in that: the profile of display screen installing frame is for circular.
21. telescopic projection screens according to claim 1, is characterized in that: the profile of display screen installing frame is rectangle.
22. according to the telescopic projection screen described in any one in claim 1-21, it is characterized in that: described projector is the built-in projector that is built-in with the mobile phone of projector.
23. according to the telescopic projection screen described in any one in claim 1-21, it is characterized in that: described projector is the built-in projector that is built-in with the camera of projector.
24. according to the telescopic projection screen described in any one in claim 1-21, it is characterized in that: described projector is the built-in projector that is built-in with the computer of projector.
25. according to the telescopic projection screen described in any one in claim 1-21, it is characterized in that: also comprise a touch-screen system, the touch pad of described touch-screen system is described projection screen.
26. telescopic projection screens according to claim 25, is characterized in that: the touch sensing system of described touch-screen system is positioned on described display bracket.
27. telescopic projection screens according to claim 26, is characterized in that: the touch sensing system of described touch-screen system is positioned at described display screen installing frame place.
28. telescopic projection screens according to claim 25, is characterized in that: described touch-screen system is Infrared touch screen systems.
29. telescopic projection screens according to claim 25, is characterized in that: described touch-screen system is ultrasonic touch screen system.
30. telescopic projection screens according to claim 25, is characterized in that: described touch-screen system is optical touch screen systems.
31. telescopic projection screens according to claim 25, is characterized in that: described touch-screen system adopts camera touch-screen, and the touch sensing system of described camera touch-screen is positioned at described projection lens avris.
32. telescopic projection screens according to claim 31, is characterized in that: the touch sensing system of described camera touch-screen receives the touch image on described screen.
33. according to the telescopic projection screen described in any one in claim 1-21, it is characterized in that: described display bracket is provided with a projection lens interface.
34. telescopic projection screens according to claim 33, is characterized in that: by projection lens interface access outer projections instrument.
35. telescopic projection screens according to claim 33, is characterized in that: projection lens interface is positioned at display bracket rear.
36. according to the telescopic projection screen described in any one in claim 1-21, it is characterized in that: described display bracket comprises a scalable skeleton.
37. telescopic projection screens according to claim 36, is characterized in that: described display bracket is provided with a projection lens interface, and projection lens interface is fixedly connected with scalable skeleton.
38. telescopic projection screens according to claim 36, is characterized in that: can also comprise a scalable occulter, described scalable occulter wraps on described scalable skeleton.
39. telescopic projection screens according to claim 36, is characterized in that: described scalable skeleton comprises thickness telescoping mechanism, and the front end of described thickness telescoping mechanism connects the described display screen installing frame in described display bracket the place ahead; The rear end of described thickness telescoping mechanism connects described display bracket rear end.
40. according to the telescopic projection screen described in claim 39, it is characterized in that: described thickness telescoping mechanism comprises at least one expansion link, using this expansion link as thickness expansion link, and described thickness expansion link front end connects the described display screen installing frame in described display bracket the place ahead; Described thickness expansion link rear end connects described display bracket rear end.
41. according to the telescopic projection screen described in claim 40, it is characterized in that: described display bracket is provided with a projection lens interface, and described projection lens interface is fixedly connected with the rear end of thickness telescoping mechanism.
42. according to the telescopic projection screen described in claim 41, it is characterized in that: preferred described projection lens interface is fixedly connected with described thickness expansion link rear end.
43. according to the telescopic projection screen described in claim 42, it is characterized in that: described projection lens without catoptron directly to described projection screen projection.
44. according to the telescopic projection screen described in claim 39, it is characterized in that: described scalable skeleton also comprises width-telescopic mechanism, and described width-telescopic mechanism is arranged at least one place of top, described display screen installing frame place or below; Described width-telescopic mechanism left-hand end is connected with described display screen installing frame left side; Described width-telescopic mechanism right-hand end is connected with described display screen installing frame right side.
45. according to the telescopic projection screen described in claim 44, it is characterized in that: described width-telescopic mechanism comprises at least one expansion link, usings this expansion link as width-telescopic bar, and described width-telescopic bar left end connects described display screen installing frame left side; Described width-telescopic bar right-hand member connects described display screen installing frame right side.
46. according to the telescopic projection screen described in claim 44, it is characterized in that: described scalable skeleton also comprises height telescoping mechanism, and described height telescoping mechanism is arranged on described display screen installing frame place's left or right-hand at least one place; Described height telescoping mechanism upside is connected with described display screen installing frame upside; Described height telescoping mechanism lower side is connected with described display screen installing frame downside.
47. according to the telescopic projection screen described in claim 46, it is characterized in that: described height telescoping mechanism comprises at least one expansion link, usings this expansion link as height expansion link, and described height expansion link upper end connects described display screen installing frame upside; Described height expansion link lower end connects described display screen installing frame downside.
48. according to the telescopic projection screen described in claim 45, it is characterized in that: described scalable skeleton comprises at least two described width-telescopic bars, and two described width-telescopic bars lay respectively at upside and the downside of described display screen installing frame.
49. according to the telescopic projection screen described in claim 47, it is characterized in that: described scalable skeleton comprises at least two described height expansion links, and two described height expansion links lay respectively at left side and the right side of described display screen installing frame.
50. according to the telescopic projection screen described in claim 40, it is characterized in that: described scalable skeleton comprises at least four described thickness expansion links, and four described thickness expansion link front ends connect four bights of described display screen installing frame.
51. according to the telescopic projection screen described in claim 50, it is characterized in that: described display bracket rear end is provided with a thickness expansion link web member, and at least four described thickness expansion link rear ends are connected on described thickness expansion link web member.
52. according to the telescopic projection screen described in claim 47, it is characterized in that: described scalable skeleton comprises two described width-telescopic bars, and two width-telescopic bars lay respectively at upside and the downside of display screen installing frame; Described scalable skeleton comprises two described height expansion links, and two height expansion links lay respectively at left side and the right side of display screen installing frame; Described scalable skeleton comprises four described thickness expansion links, and four thickness expansion link front ends connect four bights of display screen installing frame;
The left and right two ends of width-telescopic bar of upside, connect respectively the height expansion link upper end in left side and the height expansion link upper end on right side; The left and right two ends of width-telescopic bar of downside, connect respectively the height expansion link lower end in left side and the height expansion link lower end on right side; Thereby surround a display screen telescopic frame.
53. according to the telescopic projection screen described in claim 52, it is characterized in that: at least four described thickness expansion link rear ends are connected on the thickness expansion link web member of described display bracket rear end, and four described thickness expansion link front ends are connected respectively to four bights of described display screen telescopic frame.
54. according to the telescopic projection screen described in claim 53, it is characterized in that: at least two described thickness expansion link rear ends are flexibly connected with described thickness expansion link web member.
55. according to the telescopic projection screen described in claim 47, it is characterized in that: also comprise at least one flexible power system, described flexible power system connects at least one in described width-telescopic bar, height expansion link, thickness expansion link.
Described flexible power system comprises an expansion strip drive system, and described expansion strip drive system comprises a flexible expansion strip and a driving mechanism;
Described flexible expansion strip through at least one in described width-telescopic bar, height expansion link, thickness expansion link, and end connects at least one end one joint in described width-telescopic bar, height expansion link, thickness expansion link.
56. according to the telescopic projection screen described in claim 55, it is characterized in that: while stretching out under the driving at described flexible expansion strip at described driving mechanism, the pressure of connection expansion link end one joint increases, thereby drives expansion link to extend;
At described flexible expansion strip, in the driving of described driving mechanism time receiving next time, a joint pulling force of connection expansion link end increases, thereby drives expansion link to shorten.
57. according to the telescopic projection screen described in claim 55, it is characterized in that: a flexible expansion strip runs through described width-telescopic bar, height expansion link and thickness expansion link.
58. according to the telescopic projection screen described in claim 55, it is characterized in that: described expansion strip drive system also comprises that one for holding the flexible expansion strip holding mechanism of the flexible expansion strip of recovery.
59. according to the telescopic projection screen described in claim 58, it is characterized in that: described flexible expansion strip holding mechanism is a container cavity.
60. according to the telescopic projection screen described in claim 58, it is characterized in that: described flexible expansion strip holding mechanism is roll shaft.
61. according to the telescopic projection screen described in claim 55, it is characterized in that: described driving mechanism adopts a gear driven mechanism, and the gear of described gear driven mechanism connects a motor by a gear train; Described flexible expansion strip one side is tooth bar, described tooth bar and the engagement of described gear.
62. according to the telescopic projection screen described in claim 47, it is characterized in that: also comprise at least one flexible power system, described flexible power system connects at least one in described width-telescopic bar, height expansion link, thickness expansion link;
Described flexible power system adopts a Pneumatic extension power system, and described Pneumatic extension power system comprises an air pump; At least one UNICOM in the valve of described air pump and described width-telescopic bar, height expansion link, thickness expansion link, in the expansion link of Qie Suo UNICOM, at least one endcapped.
63. according to the telescopic projection screen described in claim 62, it is characterized in that: when needs expansion link extends, by described air-pump inflating, increase air pressure, impel expansion link to extend;
When needs expansion link shortens, by the air-breathing air pressure that reduces of described air pump, impel expansion link to shorten.
64. according to the telescopic projection screen described in claim 62, it is characterized in that: described width-telescopic bar, height expansion link and thickness expansion link UNICOM, and junction sealing, the valve UNICOM of one of them expansion link and described air pump.
65. according to the telescopic projection screen described in claim 61, it is characterized in that: in described display bracket, be also provided with accumulator, described accumulator connects described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070316.3U CN203811974U (en) | 2013-02-22 | 2014-02-18 | A telescopic projection screen |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057825 | 2013-02-22 | ||
| CN201310057825.2 | 2013-02-22 | ||
| CN201420070316.3U CN203811974U (en) | 2013-02-22 | 2014-02-18 | A telescopic projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811974U true CN203811974U (en) | 2014-09-03 |
Family
ID=51368334
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420070316.3U Expired - Fee Related CN203811974U (en) | 2013-02-22 | 2014-02-18 | A telescopic projection screen |
| CN201410055273.6A Pending CN104007605A (en) | 2013-02-22 | 2014-02-18 | Folding display screen |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410055273.6A Pending CN104007605A (en) | 2013-02-22 | 2014-02-18 | Folding display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN203811974U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700746A (en) * | 2016-02-22 | 2018-10-23 | 富士胶片株式会社 | Projection display device |
| CN111026888A (en) * | 2019-12-26 | 2020-04-17 | 成都师范学院 | Library intelligent reading system based on computer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107566819A (en) * | 2017-08-29 | 2018-01-09 | 深圳天珑无线科技有限公司 | Display terminal |
| CN112433439A (en) * | 2020-12-02 | 2021-03-02 | 深圳铭薪房车科技有限公司 | Multifunctional wall TV and application system thereof |
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| US3880508A (en) * | 1972-11-08 | 1975-04-29 | Beacher V Hughes | Easel structure for painting |
| US6219183B1 (en) * | 1997-04-21 | 2001-04-17 | International Business Machines Corporation | Compact rear projection display with telescopic screen and variable image size |
| DE19951306A1 (en) * | 1999-10-25 | 2001-04-26 | Wilkhahn Wilkening & Hahne | Projection panel for back projection system with projector, mirror and projection panel attached to common support |
| GB2366927B (en) * | 2000-09-07 | 2003-03-26 | Guy Spencer Edney | Projection unit |
| US6637896B2 (en) * | 2001-10-31 | 2003-10-28 | Motorola, Inc. | Compact projection system and associated device |
| US7021771B2 (en) * | 2004-04-12 | 2006-04-04 | Hewlett-Packard Development Company, L.P. | Display device for projecting an image alternatively onto a remote surface and a rear projection screen |
| JP2006003717A (en) * | 2004-06-18 | 2006-01-05 | Seiko Epson Corp | Projection display apparatus |
| CN2746424Y (en) * | 2004-11-30 | 2005-12-14 | 梁坚平 | Telescopic projection screen support |
| CN101303513B (en) * | 2008-06-17 | 2011-06-29 | 上海沪江虚拟制造技术有限公司 | Compact type back projecting system easy to regulate |
| CN101662626A (en) * | 2009-09-16 | 2010-03-03 | 南阳首控光电有限公司 | Split-type large-screen projection television |
| TWM397539U (en) * | 2010-06-25 | 2011-02-01 | Zheng-He Zhang | Micro projector screen telescopic rack |
-
2014
- 2014-02-18 CN CN201420070316.3U patent/CN203811974U/en not_active Expired - Fee Related
- 2014-02-18 CN CN201410055273.6A patent/CN104007605A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700746A (en) * | 2016-02-22 | 2018-10-23 | 富士胶片株式会社 | Projection display device |
| CN108700746B (en) * | 2016-02-22 | 2020-09-08 | 富士胶片株式会社 | Projection type display device |
| CN111026888A (en) * | 2019-12-26 | 2020-04-17 | 成都师范学院 | Library intelligent reading system based on computer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104007605A (en) | 2014-08-27 |
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