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CN101819729B - Novel rotary screen display system - Google Patents

Novel rotary screen display system Download PDF

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Publication number
CN101819729B
CN101819729B CN200910046803XA CN200910046803A CN101819729B CN 101819729 B CN101819729 B CN 101819729B CN 200910046803X A CN200910046803X A CN 200910046803XA CN 200910046803 A CN200910046803 A CN 200910046803A CN 101819729 B CN101819729 B CN 101819729B
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subsystem
sub
rotary screen
screen
module
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CN200910046803XA
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CN101819729A (en
Inventor
胡学增
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SHANGHAI FOREMOST MULTIMEDIA CO Ltd
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SHANGHAI FOREMOST MULTIMEDIA CO Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The invention relates to a novel rotary screen display system. The system comprises a follow-up projection sub-system, a synchronous play sub-system, a real-time deformation sub-system, a general control sub-system, a screen motion control sub-system, a main control computer and a rotary support, wherein the main control computer is connected with the follow-up projection sub-system, the synchronous play sub-system, the real-time deformation sub-system, the general control sub-system and the screen motion control sub-system respectively; and the follow-up projection sub-system, the synchronous play sub-system, the real-time deformation sub-system, the general control sub-system and the screen motion control sub-system are fixedly connected with the rotary support. Compared with the prior art, the novel rotary screen display system has the following advantages of: (1) novel display form; (2) stable synchronous play; and (3) simple and general control.

Description

A kind of novel rotary screen display system
Technical field
The present invention relates to the methods of exhibiting of New Media, relate in particular to a kind of novel rotary screen display system.
Background technology
The exhibition method of New Media requires must innovate to some extent on way of presentation at present, to satisfy the growing hi-tech of large-scale show activity and high level.
Shadow casting technique is indispensable important technology in numerous displaying projects, with respect to other display techniques (as coming display frame by televisor, computer display even expensive plasma display and television splicing wall), the application of shadow casting technique in Environment Design has incomparable advantage.Shadow casting technique is as showing one of important technology in the type project, the place that its deficiency is also arranged, the design of tradition optical projection system need to make spectators be in a certain viewing areas (about 3M) and watch video, be a kind of acting style of static state, very difficult realization brings that spectators are personally on the scene and interactive shock effect.In the situation that projection changes with projection screen, because projector space is limited and the physical factor impact such as vibration, projected image produces sizable trapezoidal distortion easily, only utilizes the keystone of projector can't offset the trapezoidal distortion that optical projection system produces fully.
Motion control is to realize that by control the track of motion and sequential meet the in advance idea of design of people, generally realize by PLC (Programmable Logic Controller) control mode.PLC is the electronic system of a kind of digital operation operation, aims in industrial environment to use and design.It adopts a class programmable memory, is used for its internally stored program, the actuating logic computing, and sequential control, regularly, the user oriented instructions such as counting and arithmetical operation, and by numeral or analog pattern input/output various types of machineries of control or production run.PLC uses extensively, but it can't allow the user that the operational scheme of exhibition item is had whole understanding, and lacks the processing power to the burst unscheduled event.
Summary of the invention
Purpose of the present invention is exactly the defective that exists in order to overcome above-mentioned prior art, and a kind of modern design is provided, the novel rotary screen display system that impression is unique.
Purpose of the present invention can be achieved through the following technical solutions: a kind of novel rotary screen display system, it is characterized in that, servo-actuated projection subsystem of this system, play synchronously subsystem, the real-time deformation subsystem, the general controls subsystem, the screen motion control subsystem, main control computer, runing rest, described main control computer respectively with servo-actuated projection subsystem, play synchronously subsystem, the real-time deformation subsystem, the general controls subsystem, screen motion control subsystem control linkage, described servo-actuated projection subsystem, play synchronously subsystem, the real-time deformation subsystem, the general controls subsystem, the screen motion control subsystem is fixedly connected with runing rest.
Described servo-actuated projection subsystem comprises reflecting module, projector's stationary installation, screen rotation module, and described reflecting module, projector's stationary installation, screen rotation module are fixed on the runing rest.
Described servo-actuated projection subsystem also comprises snubber assembly, and this snubber assembly is located at can cause trickle vibration place of projected image on the swivel mount.
The video decode module of described synchronous broadcast subsystem with the DirectShow framework that module all adopts Windows to provide is provided, deformation module is inserted as the Filter in the DirectShow framework.
Compared with prior art, the present invention has the following advantages:
(1) display form is novel: servo-actuated optical projection system light harvesting is learned reflecting system and mechanism system and the whole body, break through traditional spectators and be in the static acting style that video is watched in a certain zone, make the in-plant video of watching of spectators, vision to spectators produces very large impact, and the screen of rotation has impetus for the expression of plot, spectators are immersed in the middle of the plot fully, thereby reach the purpose that attracts spectators, make spectators so enchanted by the scenery as to forget to return;
(2) play synchronously stable: guarantee every synchronous operation that demonstration maintenance and reference computer on each screen are demonstrated; Solve because the large ladder diagram image distortion that projector space causes;
(3) control simple general-purpose: solved various device has been realized exempting from completely programming, multimedia performance is analyzed, proposed the concept of Show, program and logical device; The screen motion control system has broken through traditional PLC control mode, adopt the control system of the SC-Brain32 formation of famous control software Medialon Manager and independent research, has outstanding extendability, can pass through the various lighting effects of multiple interfaces synchro control, video, audio frequency, machinery, special efficacy etc., and possesses Real Time Control Function, the fortuitous event that may occur in the middle of the performance process is controlled in real time and processed, by close friend's user interface, can allow the user operate very easily a large-scale show performance.
Description of drawings
Fig. 1 is the structural representation of a kind of novel rotary screen display system of the present invention.
Embodiment
As shown in Figure 1, a kind of novel rotary screen display system of the present invention, it is characterized in that, servo-actuated projection subsystem 1 of this system, play synchronously subsystem 2, real-time deformation subsystem 3, general controls subsystem 4, screen motion control subsystem 5, main control computer 6, runing rest 7, described main control computer 6 respectively with servo-actuated projection subsystem 1, play synchronously subsystem 2, real-time deformation subsystem 3, general controls subsystem 4, screen motion control subsystem 5 control linkages, described servo-actuated projection subsystem 1, play synchronously subsystem 2, real-time deformation subsystem 3, general controls subsystem 4, screen motion control subsystem 5 is fixed on the runing rest 7.
Described servo-actuated projection subsystem 1 comprises reflecting module, projector's stationary installation, screen rotation module, and described reflecting module, projector's stationary installation, screen rotation module are fixed on the runing rest.
Described servo-actuated projection subsystem 1 also comprises snubber assembly, and this snubber assembly is located at can cause trickle vibration place of projected image on the swivel mount.
The video decode module of described synchronous broadcast subsystem 2 with the DirectShow framework that module all adopts Windows to provide is provided, deformation module is inserted as the Filter in the DirectShow framework.
A kind of novel rotary screen display mode is mainly formed by the combination of the subsystems such as servo-actuated optical projection system, synchronous playing system, real-time deformation system, general-purpose control system, screen motion control system.Its schematic diagram as shown in Figure 1, control system is sent serial port control signal and network control signal by main control computer.Serial port control signal triggers the performance control program of performance controller inside, and the output of performance controller connects digital switch by the 40P winding displacement, and the control signal of performing controller is converted to switching signal, the rotation of control machinery.Network signal is used for the triggering synchronous audio/video player system and plays different video paragraphs.Some specific position mounting limit inductors in the rotary screen rotation, make rotary screen form different shapes, when rotary screen rotates to these ad-hoc locations, trigger the limit induction device, it is smart that the limit induction device connects the serial ports input, produce different serial ports code input main control computers, this moment, main control computer was named according to the serial ports that serial ports receives, and sent corresponding serial port control signal and network signal.
On a steel construction, assurance projector is synchronizing moving along with rotatablely moving of screen with reflecting system, projector's stationary installation, the screen rotation system integration for the scheme of described servo-actuated optical projection system employing over all Integration.And causing the place installing power snubber assembly of the trickle vibration of projected image, under the certain prerequisite of rotational speed, reduce to greatest extent potential vibration effect like this.
The mirror-reflection principle is adopted in design in projecting light path: projecting light path then is projected on the screen by the minute surface primary event, do like this and can in the large situation of the onesize area of projection, reduce projector to the distance of screen, and can eliminate total to the impact of projecting light path.Can greatly shorten like this screen and spectators' distance, the nearest of screen and spectators can reach about 0.5M, can make like this spectators watch more true to nature and grand scene, reaches best visual enjoyment.
Described synchronous playing system uses mixed-media network modules mixed-media to adopt TCP/IP mode and synchronous control system to contact, and regularly the timestamp (current time and play position) of benchmark player is sent to other players by synchronous control system.And other computing machines are subject to after the timestamp, and time and the play position of comparison the machine are proofreaied and correct voluntarily, keep synchronously with the benchmark player.Video decode and the DirectShow framework that module all adopts Windows to provide is provided has guaranteed its versatility and efficient.Deformation module is then inserted as the Filter in the DirectShow framework.
Described real-time deformation system plays important image rectification compensating action as a key modules in the Play System.In order to realize at a high speed being out of shape precalculated deformation map table, and mapping relations are classified, and can accelerate extracting separately of computing; Adopt many branch operations, and to key code use assembly language, simultaneously the shunt Accounting Legend Code is carried out craft rewriting and optimization, out of order execution after the instruction dependency between the elimination shunt code, reduce the probability that the CPU streamline is eliminated, improve the efficient of CPU streamline, give full play to the effect of X86 series overlength streamline.The correlated variables that participates in computing is moved to CACHE in the sheet, because the read or write speed of CACHE almost is equal to register in the sheet, carries out efficient and greatly improve.
Described general-purpose control system changes the working method of original production phase colony, changes real program making work into by original programmer's programing work; Original focus is transitioned into the control of equipment from equipment bottom communication and driving programming, thereby shields unnecessary detailed problem; The forming device storehouse, thus resource can be accumulated step by step.Good maintenance service and fault tolerant mechanism is provided, is conducive to installment and debugging.
Described screen motion control is responsible for resting on the different positions according to the continuous variation Rotation screen of plot, to reach best visual effect.It is the world-renowned control software Medialon Manager of French company's exploitation that control software adopts.This control system is mainly reflected in when changing show content in the future, and can be simple and efficient finish need not to stop for a long time the operation of arenas.The SC-Bran32 performance controller of this kinetic control system hardware using independent research.It has the light lotus root isolation output of the output of 251 road DMX signals and 32 tunnel.It can control the equipment such as light of maximum 251 road DMX control signals.It can connect expansion equipment, its expanded function of increase.SC-Brain32 and control software PC-SC are used, and can accomplish real-time control, make things convenient for the debugging of Project Realization field and viewing effect.
The present invention utilizes rotating and projection technology, synchronous audio and shadow casting technique, and presentation screen can form multiple space by rotating mechanism, and the video on the screen is thereupon rotation variation also, realizes that many spatial shape combinations change, and present the bandwagon effect that multiple video changes irregularly.

Claims (4)

1. rotary screen display system, it is characterized in that, this system is by servo-actuated projection subsystem, play synchronously subsystem, the real-time deformation subsystem, the general controls subsystem, the screen motion control subsystem, main control computer, runing rest forms, described main control computer respectively with servo-actuated projection subsystem, play synchronously subsystem, the real-time deformation subsystem, the general controls subsystem, screen motion control subsystem control linkage, described servo-actuated projection subsystem, play synchronously subsystem, the real-time deformation subsystem, the general controls subsystem, the screen motion control subsystem is fixedly connected with runing rest;
Screen motion control subsystem hardware using performance controller;
Main control computer sends serial port control signal and network control signal, serial port control signal triggers the performance control program of performance controller inside, the output of performance controller connects digital switch by the 40P winding displacement, and the control signal of performing controller is converted to switching signal, the rotation of control machinery; Network control signal is used for triggering synchronous and plays the different video paragraph of subsystem broadcast, some ad-hoc location mounting limit inductors in the rotary screen rotation, make rotary screen form different shapes, when rotary screen rotates to these ad-hoc locations, trigger the limit induction device, it is smart that the limit induction device connects the serial ports input, produces different serial ports code input main control computers, this moment, main control computer was named according to the serial ports that serial ports receives, and sent corresponding serial port control signal and network control signal.
2. a kind of rotary screen display system according to claim 1, it is characterized in that, described servo-actuated projection subsystem comprises reflecting module, projector's stationary installation, screen rotation module, and described reflecting module, projector's stationary installation, screen rotation module are fixed on the runing rest.
3. a kind of rotary screen display system according to claim 2 is characterized in that, described servo-actuated projection subsystem also comprises snubber assembly, and this snubber assembly is located at can cause trickle vibration place of projected image on the runing rest.
4. a kind of rotary screen display system according to claim 1, it is characterized in that, the video decode module of described synchronous broadcast subsystem with the DirectShow framework that module all adopts Windows to provide is provided, deformation module is inserted as the Filter in the DirectShow framework.
CN200910046803XA 2009-02-27 2009-02-27 Novel rotary screen display system Expired - Fee Related CN101819729B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104506919B (en) * 2014-12-26 2018-08-31 上海昭宁信息科技有限公司 Show the synchronous method and its system of content and display screen movement
CN110021233B (en) * 2019-03-19 2021-03-02 上海昊协机电科技有限公司 Intelligent windmill advertisement system and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5678910A (en) * 1990-08-08 1997-10-21 Trutan Pty Limited Multiple angle projection for 3-D imagery
CN1286869A (en) * 1998-01-07 2001-03-07 360Tv公司 Video image rotating apparatus
CN101164648A (en) * 2006-10-17 2008-04-23 上海科技馆 Robot theater
CN201369130Y (en) * 2009-02-27 2009-12-23 上海复旦上科多媒体有限公司 Display system of rotational screen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5678910A (en) * 1990-08-08 1997-10-21 Trutan Pty Limited Multiple angle projection for 3-D imagery
CN1286869A (en) * 1998-01-07 2001-03-07 360Tv公司 Video image rotating apparatus
CN101164648A (en) * 2006-10-17 2008-04-23 上海科技馆 Robot theater
CN201369130Y (en) * 2009-02-27 2009-12-23 上海复旦上科多媒体有限公司 Display system of rotational screen

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