CN102162990A - Projection type image display device and splicing system thereof - Google Patents
Projection type image display device and splicing system thereof Download PDFInfo
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- CN102162990A CN102162990A CN2011100905575A CN201110090557A CN102162990A CN 102162990 A CN102162990 A CN 102162990A CN 2011100905575 A CN2011100905575 A CN 2011100905575A CN 201110090557 A CN201110090557 A CN 201110090557A CN 102162990 A CN102162990 A CN 102162990A
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Abstract
The invention relates to the technical field related to pre-maintenance of projection devices, in particular to a projection type image display device and a splicing system thereof. The projection type image display device is provided with a projection unit, a screen unit and a sliding mechanism, wherein the screen unit is provided with a screen for projecting images; the projection unit is used for projecting the images on the screen from the rear side; the sliding mechanism can be used for movably supporting the screen unit in the general normal direction of the screen in a state capable of projecting the images; and the screen unit is provided with a translation mechanism; and the translation mechanism can be used for movably supporting the screen in the general parallel direction of the screen in a state capable of projecting the images. In the invention, due to the adoption of the horizontal transformation mode, the device and the system can be more easily maintained by maintenance personnel and two rows of display units are simultaneously operated and maintained when the display units are opened, so that the labor intensity and the workload of the maintenance personnel are reduced, and the work efficiency is improved.
Description
Technical field
The present invention relates to safeguard correlative technology field before the projection arrangement particularly a kind of projection type video display device and splicing system thereof.
Background technology
The maintenance mode of present large screen back projection display unit have be divided into that screen back is safeguarded and screen before safeguard dual mode.Wherein maintenance mode is than safeguarding needed space after maintenance mode has been saved screen behind the screen in front, and range of application is wider, the interior use of occasion that places such as suitable for example small conference room are little.
Before safeguard about projecting cell is generally taked and add slide rail, slide by push-pull mechanism, after then screen being pulled out, again screen upwards upset rotate this unfolding mode, thereby reserve the space that can operate and safeguard before being implemented in screen.(with reference to patent documentation: 200410068373.9)
Front maintenance type projection type image device as shown in Figure 7.But there is following defective in this kind unfolding mode:
When 1, screen was opened, because upwards upset of screen, the upset that screen is realized in the space just can be abdicated in the screen both sides so operating personnel must stand.If the number of plies that projecting cell piles up is greater than 2 layers, so, operating personnel must climb up the ladder earlier and open screen locking mechanism on one side, could operate the rear-projection box house in the middle of ladder gets off to move to screen more again after waiting screen to open fully.So not only loaded down with trivial details but also inconvenient.
2, secondly this kind unfolding mode can only be carried out Operation and Maintenance to the display unit with delegation simultaneously when opening screen, but can not carry out Operation and Maintenance to a row display unit simultaneously.
For example display unit pile up the number of plies greater than 2 layers time, just can not be simultaneously two display units be up and down operated.If open display unit more than 2 layers, just must just can carry out the display unit screen Close All below 2 layers.If pile up the number of plies when higher, if will simultaneously same row display unit be connected up and install, that work will be very numerous and diverse and difficult.Do not meet from top to down maintenance and Installation and Debugging custom like this, cause maintenance work loaded down with trivial details.
In sum, the pattern of this slide mechanism+upset only is fit to the large screen back projection display unit of individual layer, and system's this kind scheme that superposes for multilayer seems more loaded down with trivial details and inconvenient in operation.
Summary of the invention
First goal of the invention of the present invention is to provide a kind of projection type video display device, to solve prior art in the splicing system of multilayer stack, the technical matters of the loaded down with trivial details inconvenience of preceding maintenance mode.
In order to realize first goal of the invention of the present invention, the technical scheme of employing is as follows:
A kind of projection type video display device, have projecting cell, screen unit and slide mechanism, described screen unit has the screen of projected image, described projecting cell is used for from the back side projected image on screen, described slide mechanism supports screen unit movably in the roughly normal direction at the screen of the state of projectable's image, described screen unit also has translation mechanism, and described translation mechanism supports described screen movably in the almost parallel direction at the screen of the state of projectable's image.
As a kind of preferred version, described display device also has the vertically mechanism that arrives locking slide mechanism under the veritcal limit position of stipulating at described screen unit.
As a kind of preferred version, described screen unit also has the horizontal lock mechanism that arrives locking translation mechanism under the horizontal limeit position of stipulating at described screen.
As further preferred version, described horizontal limeit position is 1/2～2/3 of the screen (M) that exceeds projection state.
As a kind of preferred version, described screen unit also has handle apparatus, and described handle apparatus is used at the roughly normal direction pulling screen unit of the screen of the state of projectable's image and/or at the almost parallel direction pulling screen at the screen of the state of projectable's image.
As a kind of preferred version, described slide mechanism has the sliding bottom that can directly advance to slide, and described sliding bottom is the rigidity straight ball-guide.
As a kind of preferred version, described translation mechanism has the translation base that can directly advance to slide, and described translation base is the rigidity straight ball-guide.
Second goal of the invention of the present invention is to provide a kind of multi-screen connected welding system, to use the projection type video display device that first goal of the invention of the present invention is proposed.
A kind of multi-screen connected welding system, described splicing system is rearranged as the described projection type video display device of the present invention's first goal of the invention by a plurality of, the screen unit of each display device all has tightening device, by tightening device and the adjacent mutual fastening of display device, tightening device is fastening up and down both, also can left and right sides fastening, make with the display device of delegation or same row can be simultaneously at the roughly normal direction pulling screen unit of the screen of the state of projectable's image and/or at almost parallel direction pulling screen at the screen of the state of projectable's image.
As a kind of preferred version, described tightening device is a bolt, and the screen unit of each display device is locked mutually by the screen unit of bolt and adjacent display device.
As further preferred version, described tightening device is arranged on four sides of screen.
The present invention makes that by adopting the horizontal translation mode maintainer is more convenient to operate when display unit is opened, can carry out attended operation to two row display units simultaneously, this device is easy to use, quick, avoids the maintainer to repeat ladder up and down, and realizes single can the maintenance.Need not directly just can realize opening operation around opening screen, reduce maintainer's labour intensity and workload, increase work efficiency to side to screen from the front.
Description of drawings
Fig. 1 is the stereographic map of the front maintenance type projection type video display device of embodiments of the present invention;
Fig. 2 is the synoptic diagram after screen unit is pulled out from projecting cell;
Fig. 3 is with the stereographic map of screen unit after the translation of any one side;
Fig. 4 is the stereographic map after the multilayer projecting cell piles up;
Fig. 5 is the stereographic map after after the multilayer projecting cell piles up a row screen unit being opened;
Fig. 6 is the stereographic map after simultaneously two row screen units being opened after the multilayer projecting cell piles up;
Fig. 7 is existing front maintenance type projection type image device.
Embodiment
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the front maintenance type projection type video display device of present embodiment comprises: projecting cell 1; With screen unit 2, this screen unit 2 has screen M, and image projection is to screen M; Screen M is arranged on the front surface of screen unit 2.The front maintenance type projection type video display device of present embodiment can use separately, still, also can come as the multi-screen projector by arrange a plurality of projection type video display devices on direction up and down.
At state shown in Figure 1, be normal operating conditions, get final product projection state, the horizontal axis of almost parallel screen M is made as directions X (left and right directions), the vertical axis of almost parallel screen M is made as Z direction (above-below direction), the normal direction of screen M is made as the Y direction.
As shown in Figure 1, being provided with pulling grip tab 8 on screen unit 2 can pull out screen unit 2 along the normal direction (Y direction) of the screen M of projectable's state.
Fig. 2 is the side cross-sectional, view after screen unit 2 is pulled out along the Y direction.In housing 3, have through projection lens A from the back side to the projector 5 of screen M projected image.On the light path of the ejaculation light that penetrates from projector 5, be provided with to be used to make and penetrate the catoptron 4 of light to screen reflection.In addition, slide mechanism 6 be about two groups, it makes that described screen can be along moving on the Y direction, and play supporting screen unit 2 effect.
Slide mechanism 6 is projected into the extreme position state of the place ahead (Y direction) in the housing 3, and be provided with vertically mechanism slide mechanism 6 is locked on this forward-running position this moment, to avoid its careless slip.
Fig. 3 is that screen unit 2 is along the schematic perspective view that moves to extreme position on the directions X.As shown in the figure, screen M can pass through translation mechanism 10, moves on the positive negative direction of X.When moving to 1/2～2/3 the extreme position of the screen M that exceeds projection state, be provided with horizontal lock mechanism screen M is locked in extreme position, move accidentally to avoid it.Can carry out attended operation this moment to housing 3 inside, sets extreme position and be 1/2～2/3rd of the screen M that exceeds projection state, considers center of gravity and the bearing capacity of screen M.
Then, unclamp horizontal lock mechanism after, screen M can be along moving on the positive negative direction of X, and playback.And then unclamp vertically mechanism, can promote slide mechanism 6 and slide into initial position along the negative direction of Y.
Wherein, the translation base (not marking on the figure) of the sliding bottom 9 of slide mechanism 6 and translation mechanism 10 is the stronger straight ball-guide of rigidity, and modification is minimum, and therefore the asynchronous influence that brings of two wood side-guides is less.
In the present embodiment; after screen unit 2 is pulled out along the Y direction; screen M moves on directions X; but in fact; those skilled in the art need not also can know through creative work; screen M also can move on the Z direction, in addition any direction on the plane that X and Z constitute to move also be to reach effect of the present invention, so it is in fact also comprising in the claim of the present invention scope required for protection
Fig. 4 arranges the stereographic map that a plurality of front maintenance type projection type video display devices form splicing system on the direction up and down.
Fig. 5 is for arranging a plurality of front maintenance type projection type video display devices formation splicing systems on the direction up and down, and wherein the screen M of row is in the stereographic map of open mode simultaneously.According to described, can safeguard the projecting cell 1 of same row simultaneously, can reduce the assembling or the maintenance time of projection type video display device.The side up and down of the screen M of same row also can be provided with bolt (not drawing among the figure), by bolt and neighbouring screen M locking, makes the screen unit 2 of same row to pull out simultaneously and also can allow screen M simultaneously in the directions X move left and right.When opening the screen M of same row like this with convenient.
Fig. 6 is the stereographic map of multilayer projecting cell after simultaneously two row screen M being opened after piling up.The front maintenance type projection type video display device that the present invention as shown in the figure implemented, the screen M that can open adjacent two row simultaneously assembles or safeguards.
As mentioned above, just can realize the present invention preferably, the foregoing description is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (7)
1. projection type video display device, has projecting cell (1), screen unit (2) and slide mechanism (6), described screen unit (2) has the screen (M) of projected image, described projecting cell (1) is used for going up projected image from the back side at screen (M), described slide mechanism (6) supports screen unit (2) movably in the roughly normal direction at the screen (M) of the state of projectable's image, it is characterized in that, described screen unit (2) also has translation mechanism, and described translation mechanism supports described screen (M) movably in the almost parallel direction at the screen (M) of the state of projectable's image.
2. projection type video display device according to claim 1 is characterized in that, described display device also has the vertically mechanism that arrives locking slide mechanism (6) under the veritcal limit position of stipulating at described screen unit (2).
3. projection type video display device according to claim 1 is characterized in that, described screen unit (2) also has the horizontal lock mechanism that arrives locking translation mechanism under the horizontal limeit position of stipulating at described screen (M).
4. projection type video display device according to claim 3 is characterized in that, described horizontal limeit position is 1/2～2/3 of the screen (M) that exceeds projection state.
5. projection type video display device according to claim 1, it is characterized in that, described screen unit (2) also has handle apparatus (8), and described handle apparatus (8) is used at the roughly normal direction pulling screen unit (2) of the screen (M) of the state of projectable's image and/or at the almost parallel direction pulling screen (M) at the screen (M) of the state of projectable's image.
6. projection type video display device according to claim 1 is characterized in that, described slide mechanism (6) has the sliding bottom (9) that can directly advance to slide, and described sliding bottom (9) is the rigidity straight ball-guide.
7. according to the described projection type video display device of claim 1, it is characterized in that described translation mechanism has the translation base that can directly advance to slide, described translation base is the rigidity straight ball-guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090557 CN102162990B (en) | 2011-04-12 | 2011-04-12 | Projection type image display device and splicing system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090557 CN102162990B (en) | 2011-04-12 | 2011-04-12 | Projection type image display device and splicing system thereof |
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| Publication Number | Publication Date |
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| CN102162990A true CN102162990A (en) | 2011-08-24 |
| CN102162990B CN102162990B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110090557 Expired - Fee Related CN102162990B (en) | 2011-04-12 | 2011-04-12 | Projection type image display device and splicing system thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289994A (en) * | 2011-05-21 | 2011-12-21 | 广东威创视讯科技股份有限公司 | Screen unit moving device |
| CN102444765A (en) * | 2011-09-19 | 2012-05-09 | 广东威创视讯科技股份有限公司 | Screen move synchronous device and splice and display unit |
| CN102508397A (en) * | 2011-10-27 | 2012-06-20 | 王悦 | Image edge fusion projection method |
| CN102608850A (en) * | 2012-03-28 | 2012-07-25 | 广东威创视讯科技股份有限公司 | Display device for projected image |
| CN102722078A (en) * | 2012-07-04 | 2012-10-10 | 广东威创视讯科技股份有限公司 | Rear projection screen position adjusting device |
| CN106507620A (en) * | 2016-10-08 | 2017-03-15 | 广东威创视讯科技股份有限公司 | The construction design method of back projection box body |
| CN107007412A (en) * | 2017-06-01 | 2017-08-04 | 金倚天 | A kind of intelligent bed system |
| CN107591098A (en) * | 2017-10-31 | 2018-01-16 | 深圳市联建光电股份有限公司 | A kind of LED display saves integrated module structure |
| CN109036150A (en) * | 2018-08-28 | 2018-12-18 | 北京迪昂创新传媒科技有限公司 | A kind of advertisement screen |
| CN110047391A (en) * | 2019-04-13 | 2019-07-23 | 深圳市捷烁科技有限公司 | A kind of safety monitoring Spliced liquid crystal display screen |
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| JP5056375B2 (en) * | 2007-11-27 | 2012-10-24 | トヨタ自動車株式会社 | Vehicle seat |
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| JPH0556375A (en) * | 1991-07-25 | 1993-03-05 | Hitachi Ltd | Combinational type rear projection type television |
| CN1166619A (en) * | 1995-08-11 | 1997-12-03 | 索尼公司 | Projector |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102289994B (en) * | 2011-05-21 | 2013-06-12 | 广东威创视讯科技股份有限公司 | Screen unit moving device |
| CN102289994A (en) * | 2011-05-21 | 2011-12-21 | 广东威创视讯科技股份有限公司 | Screen unit moving device |
| CN102444765A (en) * | 2011-09-19 | 2012-05-09 | 广东威创视讯科技股份有限公司 | Screen move synchronous device and splice and display unit |
| CN102508397A (en) * | 2011-10-27 | 2012-06-20 | 王悦 | Image edge fusion projection method |
| CN102608850A (en) * | 2012-03-28 | 2012-07-25 | 广东威创视讯科技股份有限公司 | Display device for projected image |
| CN102722078B (en) * | 2012-07-04 | 2014-12-24 | 广东威创视讯科技股份有限公司 | Rear projection screen position adjusting device |
| CN102722078A (en) * | 2012-07-04 | 2012-10-10 | 广东威创视讯科技股份有限公司 | Rear projection screen position adjusting device |
| CN106507620A (en) * | 2016-10-08 | 2017-03-15 | 广东威创视讯科技股份有限公司 | The construction design method of back projection box body |
| CN107007412A (en) * | 2017-06-01 | 2017-08-04 | 金倚天 | A kind of intelligent bed system |
| CN107591098A (en) * | 2017-10-31 | 2018-01-16 | 深圳市联建光电股份有限公司 | A kind of LED display saves integrated module structure |
| CN107591098B (en) * | 2017-10-31 | 2024-05-03 | 深圳市联建光电股份有限公司 | Energy-saving integrated module structure of LED display screen |
| CN109036150A (en) * | 2018-08-28 | 2018-12-18 | 北京迪昂创新传媒科技有限公司 | A kind of advertisement screen |
| CN110047391A (en) * | 2019-04-13 | 2019-07-23 | 深圳市捷烁科技有限公司 | A kind of safety monitoring Spliced liquid crystal display screen |
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| CN102162990B (en) | 2013-01-09 |
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Address after: Kezhu road high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 233 510670 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510663 No. 6, color road, hi tech Industrial Development Zone, Guangdong, Guangzhou, China Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |
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Granted publication date: 20130109 Termination date: 20200412 |
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