CN103306510B - A kind of control system of liftable stage - Google Patents
A kind of control system of liftable stage Download PDFInfo
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- CN103306510B CN103306510B CN201310234175.4A CN201310234175A CN103306510B CN 103306510 B CN103306510 B CN 103306510B CN 201310234175 A CN201310234175 A CN 201310234175A CN 103306510 B CN103306510 B CN 103306510B
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Abstract
The invention discloses a kind of control system of liftable stage, comprising: stage main body RACS and background video RACS; Stage main body RACS comprises: main control server and control device; Main control server and control device all access to LAN; Control device is electrically connected with motor; The control instruction that control device sends according to the main control server received, controls motor and runs; Background video RACS comprises: video server and LED video processor; Background video is sent to LED video processor by DVI interface by video server; Background video is sent to LED display by DVI interface by LED video processor, and controls LED display broadcasting background video; Control system of the present invention, can present multi-level, change various three-dimensional stage effect, the omnibearing spatial modelling presenting mechanical stage and video combination, meets and is designed into the miscellaneous service demands such as scheme implementation from director, provide strong support for stage presents.
Description
Technical field
The present invention relates to technical field of automation, particularly relate to a kind of control system of liftable stage.
Background technology
Stage is that it can make the performance concentrating on performer of spectators and obtain desirable appreciation effect for performer carries out performing the space provided in theater, live telecast, shooting etc.Stage is made up of one or more platform usually, and what they had can be elevated.Along with the raising of people's living standard, more and more higher requirement be it is also proposed to the effect of performance.
Along with the progress of science and technology, the appreciation level of people to dance & art and films and television programs is also more and more higher, and traditional dance & art form of expression with static form and simple LED giant-screen can not meet the requirement of people.Nowadays, increasing high-tech technology is applied to dynamic stage and controls and participate in the middle of floor show, break through the confined space that general stage brings, try hard to represent a changeable infinite solid space, build the visual effect of excellent magnificent to people.This be also stage artistic design and director desired by.
Traditional manual electric control operation, not only complicated operation, wiring is also very complicated, and there is human factor impact, such as operating personnel's mood and duty etc., all easily cause makeing mistakes, and these are all be unfavorable for very much large-scale performance and important performance and match live.
Summary of the invention
In view of this, the technical problem that the present invention will solve is to provide a kind of control system of liftable stage, can control the lifting of stage lifting unit and play background video in the LED display that can arrange before the lights.
A control system for liftable stage, comprising: stage main body RACS and background video RACS; Stage main body comprise multiple can the lifting unit of independent-lifting; Each described lifting unit arranges independently lifting gear; Described lifting gear comprises motor; On the surface of described stage main body, LED display is set; Described stage main body RACS comprises: main control server and control device; Described main control server and described control device all access to LAN; Described control device is electrically connected with described motor; The control instruction that described control device sends according to the described main control server received, controls described motor and runs; Described background video RACS comprises: video server and LED video processor; Background video is sent to described LED video processor by DVI interface by described video server; Described background video is sent to described LED display by DVI interface by described LED video processor, and controls described LED display and play described background video; Described stage main body comprises: bottom stage main body and stage ceiling.
According to one embodiment of present invention, further, described bottom stage main body comprises multiple column be disposed adjacent; Each described column arranges independently the first lifting gear; Described first lifting gear comprises the first motor; Described stage ceiling comprises multiple liftable stage property case apparatus; Each liftable stage property case apparatus comprises top boom hoisting and casing, and described top boom hoisting connects described casing by wire rope; Described top boom hoisting is casing described in folding and unfolding by the length of control described wire rope; Described top boom hoisting comprises the second motor.
According to one embodiment of present invention, further, before described column, below, broadcast unit video in the LED display that arranges of the left side, the right side and upper surface, described unit video splices, and forms complete background video.
According to one embodiment of present invention, further, the control instruction that described control device sends according to the described main control server received, controls described first motor and runs, drive the column displacement up or down of described stage main body, form three-dimensional contouring; Wherein, the column forming described three-dimensional contouring is moulding column; The unit video broadcasted in LED display on 4 surfaces of whole described moulding column is spliced in the orthography in described 4 directions, forms the complete background video play on described 4 surfaces of described three-dimensional contouring; Described 4 surfaces are: above, below, the left side and the right side; Described 4 directions are: forward and backward, left and right.
According to one embodiment of present invention, further, described control device is according to the control instruction of the described main control server transmission received, control described second motor to run, control the length of described wire rope, drive the displacement up or down of described casing, form three-dimensional contouring; The multiple casings forming described three-dimensional contouring are moulding casing; The unit video broadcasted in LED display unit on 4 surfaces of described moulding casing is spliced in the orthography in described 4 directions, forms the complete background video play on described 4 surfaces of described three-dimensional contouring; Described 4 surfaces are: above, below, the left side and the right side; Described 4 directions are: forward and backward, left and right.
According to one embodiment of present invention, further, described stage main body is divided into multiple region; Multiple described video server is set corresponding to described multiple region, stores the unit video play in the LED display in each region respectively.
According to one embodiment of present invention, further, described background video RACS also comprises video slicing device; Background video cutting is the unit video play in each LED display by described video slicing device, and described unit video is sent to described video server.
According to one embodiment of present invention, further, described video slicing device comprises: unit video generation unit; Described unit video generation unit is according to the displacement state data of each column in program performance, cutting is carried out to the background video play on 4 surfaces of described bottom stage main body and upper surface, is created on the unit video that 4 surfaces of each described column and the LED display of upper surface broadcast; Wherein, the upper and lower displacement of column of described bottom stage main body, forms three-dimensional contouring; The column forming described three-dimensional contouring is moulding column, the unit video broadcasted in LED display on 4 surfaces of whole described moulding column is spliced in the orthography in described 4 directions, forms the complete background video play on described 4 surfaces of described three-dimensional contouring; Described 4 surfaces are: above, below, the left side and the right side; Described 4 directions are: forward and backward, left and right.
According to one embodiment of present invention, further, described video slicing device comprises: column mechanical data production unit; Whole columns of described bottom stage main body are numbered by described column mechanical data production unit, and according to the position of column at described bottom stage main body, generate the two-dimensional array representing whole column; Obtain the displacement state data of each column in program performance, travel through described two-dimensional array, record the lifting physical quantity of every root post and the corresponding relation of time shaft, generate the mechanical data file being used for video cutting; Described corresponding relation comprises: the motion starting position of column, the home position of column and the time of correspondence; Described unit video generation unit reads in before the stage main body of described bottom, below, the background video play of the left side, the right side and upper surface, read the pixel data of background video image, according to perspective and orthography method, respectively background video is carried out orthography in 5 directions, and according to the lifting physical quantity of the column in described mechanical data file and the corresponding relation of time shaft, background video is divided into the unit video carrying out in the LED display on column playing; Wherein, spliced by the orthographic view of the unit video play in the LED display of whole column in 5 directions, formation background video is at the orthographic view in 5 directions.
According to one embodiment of present invention, further, described background video RACS also comprises simulator, for setting up the three-dimensional model of stage, simulate the unit video play in LED display in program performance process, and the time displayed the play, the timing node of stage bench-type change and the frame broadcast state of unit video; Wherein, described simulator is connected with described video slicing device, and obtains described unit video from video slicing device.
According to one embodiment of present invention, further, described first motor and the second motor are reducing motor.
The control system of liftable stage of the present invention, the lifting of stage lifting unit can be controlled, and play background video in the LED display that can arrange before the lights, present multi-level, change various three-dimensional stage effect, the omnibearing spatial modelling presenting mechanical stage and video combination, meet and be designed into the miscellaneous service demands such as scheme implementation from director, provide strong support for stage presents.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of an embodiment of control system according to liftable stage of the present invention;
Fig. 2 A is the schematic diagram of stage main body, and Fig. 2 B is the subregion schematic diagram of bottom stage main body;
Fig. 3 is the schematic diagram of the video slicing device of the background video subsystem of control system according to liftable stage of the present invention.
Detailed description of the invention
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with each figure and embodiment, many-sided description is carried out to technical scheme of the present invention.
Fig. 1 is the schematic diagram of an embodiment of control system according to liftable stage of the present invention.As shown in the figure, the control system of liftable stage comprises: stage main body RACS and background video RACS.
Stage main body comprise multiple can the lifting unit of independent-lifting.Each lifting unit arranges independently lifting gear.Lifting gear comprises motor.On the surface of stage main body, LED display 11 is set.
Stage main body RACS comprises: main control server 19 and control device 17,18.Main control server 19 and control device 17,18 all access to LAN 16.Control device 17,18 is electrically connected with motor.Control device 17,18 control instructions sent according to the main control server 19 received, control motor and run.LAN 16 can be optical networking or Industrial Ethernet.
According to one embodiment of present invention, according to the number of the lifting unit of stage main body, and control quality requirement and fault tolerance requirements, multiple stage main control server 19 and multiple control device are set.Run control program at main control server, in the carrying out of program, the needs according to program moulding send instruction to control device, and control device controls motor according to instruction and runs, and then forms the three-dimensional contouring needed.
Background video RACS comprises: the background video system of stage comprises: video server 12,13, LED video processor 14.Video server 12,13 by DVI(DigitalVideo Interface: digital visual interface) background video is sent to LED video processor by interface.Background video is sent to LED display 11 by DVI interface by LED video processor 14, and controls LED display 11 and play background video.
According to one embodiment of present invention; owing to making the demand of picture; first the resolution ratio going out to broadcast picture according to the LED screen specification used and Size calculation is needed; usual meeting carrys out distribution server according to the size of picture; exportable at most 4 the DVI coffrets of one station server; the maximum output resolution ratio of each DVI coffret is 1920*1200, the display of LED video controller major control video, and each LED video controller is corresponding control DVI coffret then.Realize the normal play that a picture size is the picture of 2304*2352 as needed in figure below, length and width all exceed a DVI interface and export picture, then need 3 DVI to export, namely need 3 controllers.
As shown in Figure 2 A, stage main body comprises: scaling ladder device 22, bottom stage main body 23, stage ceiling, stage ceiling comprise multiple can the liftable stage property case apparatus 21 of independent-lifting, be positioned at screen main body 24 above the stage main body of bottom etc.
At scaling ladder device 22, bottom stage main body 23, stage ceiling, the upper LED display arranged such as liftable stage property case apparatus 21, screen main body 24 is spliced by polylith LED display unit.Broadcast unit video in each LED display unit.The unit video play in LED display unit is spliced, formation background video.
According to one embodiment of present invention, background video cutting is broadcast unit video in each LED display unit by video slicing device 15, and unit video is sent to video server 12,13.Screen cutting, i.e. Video segmentation, refer to and be slit into region to image or video sequence by certain standard scores.
The bottom mechanical movement column of stage main body 23 and liftable stage property case apparatus 21 moulding at top are large features of 2013 Spring Festival Gala stages, whole employing mechanical manipulation design scheme, by the input of mechanical data, present the tableaux of identical music node, the LED screen being used for video playback is all laid at column four sides, and the video that it is play has particularity.
According to one embodiment of present invention, bottom stage main body comprises multiple column be disposed adjacent.Each column arranges independently the first lifting gear.First lifting gear comprises the first motor.Column can carry out elevating movement by the first lifting gear along fixing steelframe.Such as, can arrange steelframe, the first lifting gear comprises multipair gear and tooth bar, and, column arranges tooth bar, steelframe arranges gear, by electric machine rotation gear, make column increase or decline.
Stage ceiling comprises multiple liftable stage property case apparatus.Each liftable stage property case apparatus comprises top boom hoisting and casing, and top boom hoisting is fixed on bottom surface, stage grid top, and top boom hoisting is by wire rope connect box.Top boom hoisting is folding and unfolding casing by the length of control wire rope.Top boom hoisting comprises the second motor, by controlling the operation of the second motor, tightening up or decontroling wire rope.First motor and the second motor are reducing motor.
" first ", " second " in the present invention etc., only distinguish, special implication in describing.
According to one embodiment of present invention, before column, below, broadcast unit video in the LED display that arranges of the left side, the right side and upper surface, unit video splices, and forms complete background video.
Due in a program which, mechanical elevating forms the various three-dimensional contourings of stage, and how realizing controlling mechanical elevating is accurately a great problem, and the cooperation that also will realize elevating stage all around four facade videos is play.
According to one embodiment of present invention, the control instruction that control device sends according to the main control server received, controls the first motor and runs, drive the column displacement up or down of stage main body, form three-dimensional contouring.Wherein, the column forming three-dimensional contouring is moulding column.
The unit video broadcasted in LED display on 4 surfaces of whole moulding column is spliced in the orthography in 4 directions, forms the complete background video play on 4 surfaces of three-dimensional contouring.4 surfaces are: above, below, the left side and the right side.4 directions are: forward and backward, left and right.
According to one embodiment of present invention, the control instruction that control device sends according to the main control server received, controls the second motor and runs, control the length of wire rope, drive casing displacement up or down, form three-dimensional contouring.Multiple casings of composition three-dimensional contouring are moulding casing.
The unit video broadcasted in LED display unit on 4 surfaces of moulding casing is spliced in the orthography in 4 directions, forms the complete background video play on 4 surfaces of three-dimensional contouring.4 surfaces are: above, below, the left side and the right side.4 directions are: forward and backward, left and right.
According to one embodiment of present invention, as shown in Figure 2 B, bottom stage main body 23 comprises multiple column be disposed adjacent, and each column can both be elevated independently.Before column, below, the left side, the right side and upper surface all arrange the LED display unit of one piece of 1m*1m.Bottom stage main body 23 is divided into multiple region.
Multiple video server is set corresponding to multiple region, stores the unit video play in the LED display unit in each region respectively.
Bottom stage main body 23 video resolution is comparatively large, and 33 row 17 row liftable regions, according to size and server distribution mode, can be divided into five regions: B1, B2, B3, B4, B5.Video can hold and should be able to carry out corresponding mobile change according to stretch/moving up and down of lift-type screen.By
In the restriction of screen size, require that video forms unified dance & art effect by means such as splicings.
Huge due to elevating stage LED quantity, the reasonability of the largest passages that we can play in conjunction with server and video production carries out classification design to stage LED, B1 district: 3m*2m/ block, high 1m.B2(B3 district is same): 2m*2m/ block, high 1m.B4 district: 1m*1m, high 4.5m.B5 district: 1m*1m, high 1m.
Stage is elevated the dimensions in each region in conjunction with No. 1 Room site environment design, due to No. 1 Room elevating stage only zone line bear formation and reach as high as 4.9m, Dou Shi ground, other regions, and in conjunction with the practicality of stage, B4 district is 1m*1m specification elevating stage, the height that can bear in conjunction with human psychological on the one hand and flat orientation, combination in addition in conjunction with stage changes, B1 region near main screen, between B4 district and main screen, divided block should be too not scattered, and 1m is liftable height.
Video server by DVI Interface Controller screen processor, then goes by screen processor the display and the broadcasting that control the every block screen of elevating stage.Maximum 4 the DVI interfaces of every platform video server, DVI interface requirement output resolution ratio is up to 1920*1200.
To the lifting column of zones of different, such as B1 district resolution ratio 2304*512(horizontal 3 vertical 2), take 2 DVI mouths, if but change threading mode into 1536*768, (horizontal 2 vertical 3) then only need to take 1 DVI mouth.B2, B3 district resolution ratio 2048*1536(horizontal 4 vertical 6 for another example), wide height is all more than 1K, needs to take 4 road DVI, uses 1 station server, if threading mode to be changed into horizontal 6 vertical 4, resolution ratio then becomes 1536*2048, then only need 2 DVI interfaces.The picture of these 3 interfaces can be spliced into the picture of a 4K like this, is controlled by a video server.
According to one embodiment of present invention, by calculating, the physical size of stage is carried out three-dimensional modeling, generation can read in stage set 3DS file, according to the keyframe techniques of three-dimensional animation, adopt the MEL Script Programming of three-dimensional software, realize resolving the basic geometric modeling data in stage set, analysis space position relationship, thus extract the data message of stage set, comprise stage block motion height etc., store data in CUE formatted file and export, and in this, as controlling the foundation of true mechanical stage equipment motion, there is provided accurate, feasible design guarantee.
Fig. 3 is the schematic diagram of the video slicing device of the background video subsystem of control system according to liftable stage of the present invention.Video slicing device 12,13 comprise: unit video generation unit 31.
Unit video generation unit 31 is according to the displacement state data of each column in program performance, cutting is carried out to the background video play on 4 surfaces of bottom stage main body and upper surface, is created on the unit video that 4 surfaces of each column and the LED display unit of upper surface broadcast.
In program performance, the upper and lower displacement of column of bottom stage main body, forms three-dimensional contouring.The column of composition three-dimensional contouring is moulding column, is spliced by the unit video broadcasted, form the complete background video play on 4 surfaces of three-dimensional contouring in the LED display unit on 4 surfaces of whole moulding column in the orthography in 4 directions.4 surfaces are: above, below, the left side and the right side.4 directions are: forward and backward, left and right.
The background video of the upper surface of three-dimensional contouring there will not be the situation of blocking, and therefore, does not need the upper and lower displacement considering column.
Carry out editing generation unit video in frame to background video.Editor is exactly in so-called frame, and the pixel in some moment to a certain content frame of video is edited (shear, paste, change color, filling, movement etc.), thus affects all content frames in a period of time from this moment accordingly.In frame, editor is only limitted to the making of picture-in-picture.
Whole columns of bottom stage main body are numbered by column mechanical data production unit 32, and according to the position of column at bottom stage main body, generate the two-dimensional array representing whole column.
Obtain the displacement state data of each column in program performance, traversal two-dimensional array, records the lifting physical quantity of every root post and the corresponding relation of time shaft, generates the mechanical data file being used for video cutting.Corresponding relation comprises: the motion starting position of column, the home position of column and the time of correspondence.
Size and the resolution ratio of video change along with mechanical movement, except the dimension scale that should consider, by understanding the control of machinery to the analysis of mechanical control system for stage further and summing up the identification etc. of mechanical data, realize the extraction of mechanical data and the 3D machinery completing computer model presents.
According to one embodiment of present invention, the basic geometric modeling data in column mechanical data production unit 32 pairs of stage set files are resolved, and calculate the spatial relation of stage, and utilize stage emulated data module its result to be exported.
Unit video generation unit 31 reads in before the stage main body of bottom, below, the background video play of the left side, the right side and upper surface, read the pixel data of background video image, according to perspective and orthography method, respectively background video is carried out orthography in 5 directions, and according to the lifting physical quantity of the column in mechanical data file and the corresponding relation of time shaft, background video is divided into the unit video carrying out in the LED display unit on column playing.Wherein, spliced by the orthographic view of the unit video play in the LED display unit of whole column in 5 directions, formation background video is at the orthographic view in 5 directions.
According to one embodiment of present invention, the sequence of video images that unit video generation unit 31 processes is the elevation in 4 faces.Pass through interface alternation, video image is called in internal memory, the pixel data of reading images, according to perspective, projection law, it is divided into some unit sub-blocks by row, column coordinate, in the mode of parallel pipeline, the pixel data of all images is edited according to specified rule, by the correspondence position of the data copy in video image repartition territory, source to object video image, thus realize the segmentation restructuring in video data frame.
If devise the change of elevating stage bench-type in a program, the animation of background video and the animation of knee type are all arrange according to its timing node is unified, because video itself is also control progress by timing node, the animation change of stage bench-type also controls primarily of timing node, represent that previous frame bench-type is all the same with this frame and next frame in static, as long as so ensure the consistent of timing node at making video with when making bench-type animation, the state that can reach video playback and lifting column so for a long time matches.
According to one embodiment of present invention, according to the parsing to stage three-dimensional modeling, carry out analysis mainly for ground rise or fall platform cast animation and data are extracted.In conjunction with the analysis of actual bench-type, initial state may be only level, i.e. inactive state.Due to 304 lifting columns in mechanical major control B district, in motion process, be mainly divided into rising, decline and static three kinds of states.
For realizing the control of Mechanical course to the elevating movement of stage column, by each numbered cylinders, the rule of numbering is simple and clear, be easy to conclude, the identification that computer is numbered stage lifting column, be more conducive to director and performer to the familiar with understanding of stage, the interim amendment of creative plan.By numbered pillar according to above to the subregion of stage, and resolve the size of synthesis target video material, as pinup picture on the file destination generated simulation model in a computer, be convenient to show the lifting of column and the amendment of data in three-dimensional animation roaming.
According to one embodiment of present invention, stage ceiling is arranged the liftable stage property case apparatus 21 that can independently move up and down.
Unit video generation unit 31 is according to the displacement state data of each liftable stage property case apparatus in program performance, cutting is carried out to the background video play on 4 surfaces of bottom stage main body and lower surface, is created on the unit video that 4 surfaces of each liftable stage property case apparatus and the LED display unit of lower surface broadcast.
In program performance, the upper and lower displacement of multiple liftable stage property case apparatus, forms three-dimensional contouring.Multiple liftable stage property case apparatus of composition three-dimensional contouring are moulding liftable stage property case apparatus, the unit video broadcasted in LED display unit on 4 surfaces of moulding liftable stage property case apparatus is spliced in the orthography in 4 directions, forms the complete background video play on 4 surfaces of three-dimensional contouring.4 surfaces are: above, below, the left side and the right side.4 directions are: forward and backward, left and right.
Liftable stage property case apparatus is square, the same with the elevating stage of stage main body to the processing mode of liftable stage property case apparatus side video.In such as 2013 Spring Festival Galas of large wing flats in stage, the time point of the video of each screen arranges according to music is unified when video production, even so play at different structure, as long as video playback server does not have the delay state such as card machine, the content form that each screen is play is consistent.Owing to dividing the video area of whole stage in advance, the video content of zones of different that what every station server controlled is is relatively independent.
According to one embodiment of present invention, the three-dimensional model of stage is set up by simulator 16, simulate the unit video play in LED display unit in program performance process, and the time displayed the play, stage bench-type change timing node and unit video in frame broadcast state, can the video made be selected, shear, move, paste, fill and generate according to the video sequence of specified rule.There is good interactive interface, click and play, as suspended or stop ongoing operation, click and suspend or stop button, the timing node of the time of playing according to the time feedbacking animation that state interface shows and bench-type change.
According to one embodiment of present invention, background video and unit video are QuickTimeMovie file.
The background video system of stage of the present invention, omnibearingly can present the spatial modelling of mechanical stage and video combination, utilize artificial intelligence and emulation technology, can live preview, security evaluation, displaying and the recruitment evaluation of high confidence level can be carried out to dance & art intention, meet and be designed into the miscellaneous service demands such as scheme implementation from director, and the state of exportable dance & art intention in simulation process, position and various inner parameters etc., also can directly output in true stage machinery system, reach actual situation to combine, provide strong support for stage presents.
Method and system of the present invention may be realized in many ways.Such as, any combination by software, hardware, firmware or software, hardware, firmware realizes method and system of the present invention.Said sequence for the step of method is only to be described, and the step of method of the present invention is not limited to above specifically described order, unless specifically stated otherwise.In addition, in certain embodiments, can be also record program in the recording medium by the invention process, these programs comprise the machine readable instructions for realizing according to method of the present invention.Thus, the present invention also covers the recording medium stored for performing the program according to method of the present invention.
Claims (11)
1. a control system for liftable stage, is characterized in that, comprising:
Stage main body RACS and background video RACS;
Stage main body comprise multiple can the lifting unit of independent-lifting; Each described lifting unit arranges independently lifting gear; Described lifting gear comprises motor; On the surface of described stage main body, LED display is set;
Described stage main body RACS comprises: main control server and control device; Described main control server and described control device all access to LAN; Described control device is electrically connected with described motor; The control instruction that described control device sends according to the described main control server received, controls described motor and runs;
Described background video RACS comprises: video server and LED video processor; Background video is sent to described LED video processor by DVI interface by described video server; Described background video is sent to described LED display by DVI interface by described LED video processor, and controls described LED display and play described background video;
Described stage main body comprises: bottom stage main body and stage ceiling; Described stage ceiling comprises multiple liftable stage property case apparatus; Each liftable stage property case apparatus comprises top boom hoisting and casing, and described top boom hoisting connects described casing by wire rope, by controlling the length of described wire rope and casing described in folding and unfolding.
2. the system as claimed in claim 1, is characterized in that:
Described bottom stage main body comprises multiple column be disposed adjacent; Each described column arranges independently the first lifting gear; Described first lifting gear comprises the first motor;
Described top boom hoisting comprises the second motor;
The control instruction that described control device sends according to the described main control server received, controls described second motor and runs, control the length of described wire rope, drive the displacement up or down of described casing, form three-dimensional contouring.
3. system as claimed in claim 2, is characterized in that:
Before described column, below, broadcast unit video in the LED display that arranges of the left side, the right side and upper surface, described unit video splices, and forms complete background video;
Wherein, before described column, below, the left side, the right side and upper surface all arrange the LED display of one piece of 1m*1m.
4. system as claimed in claim 3, is characterized in that:
The control instruction that described control device sends according to the described main control server received, controls described first motor and runs, drive the column displacement up or down of described stage main body, form three-dimensional contouring; Wherein, the column forming described three-dimensional contouring is moulding column;
The unit video broadcasted in LED display on 4 surfaces of whole described moulding column is spliced in the orthography in described 4 directions, forms the complete background video play on described 4 surfaces of described three-dimensional contouring;
Described 4 surfaces are: above, below, the left side and the right side; Described 4 directions are: forward and backward, left and right.
5. system as claimed in claim 2, is characterized in that:
The multiple casings forming described three-dimensional contouring are moulding casing;
The unit video broadcasted in LED display unit on 4 surfaces of described moulding casing is spliced in the orthography in described 4 directions, forms the complete background video play on described 4 surfaces of described three-dimensional contouring; Described 4 surfaces are: above, below, the left side and the right side; Described 4 directions are: forward and backward, left and right.
6. system as claimed in claim 4, is characterized in that:
Described stage main body is divided into multiple region;
Multiple described video server is set corresponding to described multiple region, stores the unit video play in the LED display in each region respectively.
7. system as claimed in claim 6, is characterized in that:
Described background video RACS also comprises video slicing device;
Background video cutting is the unit video play in each LED display by described video slicing device, and described unit video is sent to described video server.
8. system as claimed in claim 7, is characterized in that:
Described video slicing device comprises: unit video generation unit;
Described unit video generation unit is according to the displacement state data of each column in program performance, cutting is carried out to the background video play on 4 surfaces of described bottom stage main body and upper surface, is created on the unit video that 4 surfaces of each described column and the LED display of upper surface broadcast;
Wherein, the upper and lower displacement of column of described bottom stage main body, forms three-dimensional contouring; The column forming described three-dimensional contouring is moulding column, the unit video broadcasted in LED display on 4 surfaces of whole described moulding column is spliced in the orthography in described 4 directions, forms the complete background video play on described 4 surfaces of described three-dimensional contouring; Described 4 surfaces are: above, below, the left side and the right side; Described 4 directions are: forward and backward, left and right.
9. system as claimed in claim 8, is characterized in that:
Described video slicing device comprises: column mechanical data production unit;
Whole columns of described bottom stage main body are numbered by described column mechanical data production unit, and according to the position of column at described bottom stage main body, generate the two-dimensional array representing whole column; Obtain the displacement state data of each column in program performance, travel through described two-dimensional array, record the lifting physical quantity of every root post and the corresponding relation of time shaft, generate the mechanical data file being used for video cutting; Described corresponding relation comprises: the motion starting position of column, the home position of column and the time of correspondence;
Described unit video generation unit reads in before the stage main body of described bottom, below, the background video play of the left side, the right side and upper surface, read the pixel data of background video image, according to perspective and orthography method, respectively background video is carried out orthography in 5 directions, and according to the lifting physical quantity of the column in described mechanical data file and the corresponding relation of time shaft, background video is divided into the unit video carrying out in the LED display on column playing;
Wherein, spliced by the orthographic view of the unit video play in the LED display of whole column in 5 directions, formation background video is at the orthographic view in 5 directions.
10. system as claimed in claim 9, is characterized in that:
Described background video RACS also comprises simulator, for setting up the three-dimensional model of stage, simulate the unit video play in LED display in program performance process, and the time displayed the play, the timing node of stage bench-type change and the frame broadcast state of unit video;
Wherein, described simulator is connected with described video slicing device, and obtains described unit video from video slicing device.
11. systems as claimed in claim 2, is characterized in that:
Described first motor and the second motor are reducing motor.
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| CN105045237A (en) * | 2015-07-22 | 2015-11-11 | 浙江大丰实业股份有限公司 | Intelligent distributed stage data mining system |
| CN107610591A (en) * | 2017-09-27 | 2018-01-19 | 上海亿品展示创意有限公司 | Spliced hexahedral space viewing device |
| CN109688172A (en) * | 2017-10-18 | 2019-04-26 | 盛誉满 | A kind of Internet control system platform of ultra-large urban landscape application terminal |
| CN109076815B (en) * | 2018-08-13 | 2022-04-15 | 董琳维 | Gardens are with over-and-under type pergola structure |
| CN111700380B (en) * | 2020-06-23 | 2022-03-18 | 卢孟茜 | Intelligent office table |
| CN111701255B (en) * | 2020-08-19 | 2020-11-13 | 北京理工大学 | Universal large-scale performance dynamic stage video display method |
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