CN103179765A - Stage light effect control system - Google Patents
Stage light effect control system Download PDFInfo
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- CN103179765A CN103179765A CN2013101431575A CN201310143157A CN103179765A CN 103179765 A CN103179765 A CN 103179765A CN 2013101431575 A CN2013101431575 A CN 2013101431575A CN 201310143157 A CN201310143157 A CN 201310143157A CN 103179765 A CN103179765 A CN 103179765A
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Abstract
The invention provides a stage light effect control system. A light synthesizer synthesizes red light transmitted by an R type LED (Light-Emitting Diode) module, green light transmitted by a G type LED module and blue light transmitted by a B type LED module to obtain synthesized light; a wavelength analyzing unit is used for calculating a wavelength analyzing signal expressing a wavelength analyzing result of the synthesized light according to a received light synthesis signal and sending the wavelength analyzing signal to a feedback processor; the feedback processor FB is used for receiving the wavelength analyzing signal from the wavelength analyzing unit, receiving reference wavelength information from a controller, comparing the wavelength analyzing information with the reference wavelength information, and obtaining a feedback signal according to difference of the wavelength analyzing information and the reference wavelength information; a reverse input end of a first voltage compressor and a positive input end of a second voltage comparer are connected with a reference voltage input unit; and the reference voltage input unit supplies first reference voltage to the reverse input end of the first voltage comparer, and supplies second reference voltage to the positive input end of the second voltage comparer.
Description
Technical field
The present invention relates to the Stage Design field, more particularly, the present invention relates to a kind of stage light efficiency control system.
Background technology
Stage is the space that provides for actor performance in theater, and it can make spectators' the performance of concentrating on the performer and obtain desirable appreciation effect.Stage is made of one or more platforms usually, and what they had can lifting.The type of stage has picture-frame stage, extended position stage, circular ring type stage and rotary-type stage.
Light of stage utilizes the light means for stage illumination, lighting and is personage, scene elements modeling, and its effect is according to the performance requirement, according to the general idea of stage design, uses the technical equipment of light of stage and means to coordinate actor performance, moulds the visual image on stage.
The effect of light of stage in modern stage performance: 1. illumination performance makes spectators see actor performance and scenery image clearly; 2. guide spectators' sight line; 3. mould figure image, set off emotion by contrast and represent the stage illusion; 4. create the space environment that needs in play; 5. play up atmosphere in play; When 6. showing, idle running changes, artistic appeal is enriched in outstanding drama contradiction and strengthen stage rhythm.Sometimes also coordinate the stage stunt.In the modern times performance, the distribution of the intensity of light, color, surround, the motion of light etc. all has larger plasticity and controllability.
But, often need before the lights versicolor light.If be illuminating lamp of every kind of light configuration, can cause very large cost waste, and be not easy to install numerous lamps, in addition, can not install one etc. for all shades of colours, because the trickle color difference of the color of the lamp of color of the same race (for example red) sometimes also needs.
Therefore, hope can provide a kind of stage light efficiency control system that does not need the lamp of all colours is installed and can realize the lamp of all colours.
Summary of the invention
Technical problem to be solved by this invention is for having defects in prior art, a kind of stage light efficiency control system that does not need the lamp of all colours is installed and can realize the lamp of all colours being provided.
According to the present invention, a kind of stage light efficiency control system is provided, it is characterized in that comprising: R type LED module, G type LED module, Type B LED module, R driver, G driver, B drive; Wherein, R type LED module transmits ruddiness to light synthesizer; G type LED module transmits green glow to light synthesizer; The Type B LED module transmits blue light to light synthesizer;
And wherein, the R driver provides the R drive current according to the R drive control signal of controller transmission for R type LED module, the G driver provides the G drive current according to the G drive control signal of controller transmission for G type LED module, and B drive provides the B drive current according to the B drive control signal of controller transmission for the Type B LED module.
Preferably, described stage light efficiency control system also comprises: controller, light synthesizer, feedback processor and wavelength analysis unit; Wherein, the wavelength analysis unit receives the light compositing signal from light synthesizer; Wherein, feedback processor is from wavelength analysis unit reception wavelength information signal; Wherein, the blue light that the green glow that light synthesizer comes to the ruddiness that transmits from R type LED module, from the transmission of G type LED module and the transmission of Type B LED module come synthesize to obtain synthetic light, according to synthetic light to wavelength analysis unit transmission light compositing signal; Wherein, the wavelength analysis unit goes out the wavelength analysis signal of the synthetic light wavelength analysis result of expression according to the light compositing calculated signals that receives from light synthesizer, and sends the wavelength analysis signal to feedback processor; Wherein, feedback processor FB is from wavelength analysis unit reception wavelength analysis signal, and receive reference wavelength information from controller, and relatively wavelength analysis signal and reference wavelength information, obtain feedback signal according to the difference of wavelength analysis signal and reference wavelength information; Controller is from the feedback processor receiving feedback signals, and the R drive control signal that controller transmits to the R driver according to the feedback signal adjustment, the G drive control signal of transmitting to the G driver and the B drive control signal of transmitting to B drive, thereby after adjustment, the light that light synthesized that makes R type LED module, G type LED module and Type B LED module launch become or more level off to the expectation synthetic light.
And described stage light efficiency control system further comprises: the first voltage comparator, second voltage comparator, reference voltage input unit, the first variable resistance, the second adjustable resistance device and switch; Wherein, the reverse input end of the positive input of described the first voltage comparator and described second voltage comparator is connected to the electrical network of sine wave output alternating current; The positive input of the reverse input end of described the first voltage comparator and described second voltage comparator is connected to the reference voltage input unit, the reference voltage input unit provides the first reference voltage to the reverse input end of described the first voltage comparator thus, and provides the second reference voltage to the positive input of described second voltage comparator; Wherein, described the first reference voltage is greater than described the second reference voltage, and described the first reference voltage is positive voltage, and described the second reference voltage is negative voltage; The output of the output of described the first voltage comparator and described second voltage comparator is connected to the first end of described the first variable resistance, the second end of described the first variable resistance is connected to the first end of described the second adjustable resistance device, the second end of described the second adjustable resistance device is connected to the first end of switch, the second end ground connection of described switch; And, the voltage at the tie point place of the second end of described the first variable resistance and the first end of described the second adjustable resistance device as output voltage to R type LED module, G type LED module, the power supply of Type B LED module.
Preferably, the synthetic light wavelength information that superposes and obtain by RGB of reference wavelength information representative expection.
Preferably, R type LED module, G type LED module, Type B LED module are respectively LED lamp strings.
Preferably, described the first variable resistance and described the second adjustable resistance device are identical variable resistances.
Preferably, described the first voltage comparator and described second voltage comparator are identical voltage comparators.
According to the present invention, can be according to the random color light that synthesizes to provide expectation of three primary colors, and control the parameters such as light intensity by modulation, the invention provides thus a kind of stage light efficiency control system that does not need the lamp of all colours is installed and can realize the lamp of all colours.
Description of drawings
By reference to the accompanying drawings, and by with reference to following detailed description, will more easily to the present invention, more complete understanding be arranged and more easily understand its advantage of following and feature, wherein:
Fig. 1 schematically shows the functional block diagram of stage light efficiency control system according to the preferred embodiment of the invention.
Need to prove, accompanying drawing is used for explanation the present invention, and unrestricted the present invention.Note, the accompanying drawing of expression structure may not be to draw in proportion.And in accompanying drawing, identical or similar element indicates identical or similar label.
Embodiment
In order to make content of the present invention more clear and understandable, below in conjunction with specific embodiments and the drawings, content of the present invention is described in detail.
Fig. 1 schematically shows the functional block diagram of stage light efficiency control system according to the preferred embodiment of the invention.
Specifically, as shown in Figure 1, stage light efficiency control system comprises according to the preferred embodiment of the invention: R type LED module LR, G type LED module LG, Type B LED module LB, R driver DR, G driver DG, B drive DB, controller CR, light synthesizer LL, feedback processor FB and wavelength analysis unit WD.
For example, R type LED module LR, G type LED module LG, Type B LED module LB are respectively LED lamp strings.Replacedly, R type LED module LR, G type LED module LG, Type B LED module LB are respectively LED array modules.
Wherein, R type LED module LR transmits ruddiness to light synthesizer LL; G type LED module LG transmits green glow to light synthesizer LL; Type B LED module LB transmits blue light to light synthesizer LL.
And wherein, R driver DR provides the R drive current according to the R drive control signal SR that controller CR transmits for R type LED module LR.
And wherein, G driver DG provides the G drive current according to the G drive control signal SG that controller CR transmits for G type LED module LG.
And wherein, B drive DB provides the B drive current according to the B drive control signal SB that controller CR transmits for Type B LED module LB.
Wherein, wavelength analysis unit WD receives the light compositing signal from light synthesizer LL.
Wherein, feedback processor FB receives wavelength information signal SW from wavelength analysis unit WD.
Wherein, light synthesizer LL to the ruddiness that transmits from R type LED module LR, transmit the green glow that comes and Type B LED module LB from G type LED module LG and transmit the blue light that comes and synthesize to obtain synthetic light, according to synthetic light to wavelength analysis unit WD transmission light compositing signal.
In addition, wherein, wavelength analysis unit WD goes out the wavelength analysis signal SW of the synthetic light wavelength analysis result of expression according to the light compositing calculated signals that receives from light synthesizer LL, and sends wavelength analysis signal SW to feedback processor FB.
Wherein, feedback processor FB receives wavelength analysis signal SW from wavelength analysis unit WD, and receive reference wavelength information SL from controller CR, and relatively wavelength analysis signal SW and reference wavelength information SL obtain feedback signal SFB according to the difference of wavelength analysis signal SW and reference wavelength information SL.
Wherein, reference wavelength information SL has represented the synthetic light wavelength information that superposes and obtain by RGB of expection.For example, reference wavelength information SL represents the superpose wavelength information of white light of the synthetic light that obtains by RGB.
Controller CR is from feedback processor FB receiving feedback signals SFB, the difference that represents wavelength analysis signal SW and reference wavelength information SL due to feedback signal SFB, so controller CR can be according to feedback signal SFB adjustment to the R drive control signal SR of R driver DR transmission, to the G drive control signal SG of G driver DG transmission and the B drive control signal SB that transmits to B drive DB, thereby after adjustment, the light that light synthesized that makes R type LED module LR, G type LED module LG and Type B LED module LB launch become or more level off to the expectation synthetic light.
In addition, the stage light efficiency control system of the preferred embodiment of the present invention also comprises: the first voltage comparator 2, second voltage comparator 3, reference voltage input unit 4, the first variable resistance R1, the second adjustable resistance device R2 and switch 6.
Wherein, the reverse input end of the positive input of described the first voltage comparator 2 and described second voltage comparator 3 is connected to the electrical network 1 of sine wave output alternating current.
For example, electrical network 1 is the family expenses electrical networks, for example the sinusoidal ac of electrical network 1 output 200V, 50HZ.
The positive input of the reverse input end of described the first voltage comparator 2 and described second voltage comparator 3 is connected to reference voltage input unit 4, reference voltage input unit 4 provides the first reference voltage V o1 to the reverse input end of described the first voltage comparator 2 thus, and provides the second reference voltage V o2 to the positive input of described second voltage comparator 3.
Wherein, described the first reference voltage V o1 is greater than described the second reference voltage V o2, and described the first reference voltage V o1 is positive voltage, and described the second reference voltage V o2 is negative voltage.
The output of the output of described the first voltage comparator 2 and described second voltage comparator 3 is connected to the first end D12 of described the first variable resistance R1, the second end D11 of described the first variable resistance R1 is connected to the first end D22 of described the second adjustable resistance device R2, the second end D21 of described the second adjustable resistance device R2 is connected to the first end of switch 6, and the other end ground connection of switch 6.
And, the voltage at the tie point place of the second end D11 of described the first variable resistance R1 and the first end D22 of described the second adjustable resistance device R2 as output voltage to R type LED module LR, G type LED module LG, Type B LED module LB power supply.
Preferably, described the first voltage comparator 2 and described second voltage comparator 3 are identical voltage comparators.
Preferably, described the first variable resistance R1 and described the second adjustable resistance device R2 have identical maximum resistance; And further preferably, described the first variable resistance R1 and described the second adjustable resistance device R2 are identical variable resistances.
Preferably, described the first reference voltage V o1 has identical voltage magnitude size with described the second reference voltage V o2.That is, preferably, Vo1=-Vo2.
When the output voltage of electrical network 1 greater than described the first reference voltage V o1 or when the output voltage of electrical network 1 during less than described the second reference voltage V o2, the square wave of the output after the output of the output of described the first voltage comparator 2 and described second voltage comparator 3 is connected is logical one, and when the output voltage of electrical network 1 during less than described the first reference voltage V o1 and greater than described the second reference voltage V o2, the square wave of the output after the output of the output of described the first voltage comparator 2 and described second voltage comparator 3 is connected is logical zero.
Thus, in the LED light modulating device that utilizes the PWM modulation according to the embodiment of the present invention, by regulating size and the size of described the second reference voltage V o2 of described the first reference voltage V o1, the output of the output of described the first voltage comparator 2 of regulation output and described second voltage comparator 3 frequency and the duty ratio of PWM waveform of output afterwards that be connected effectively.
And, when switch 6 is connected, can pass through the size of the resistance of described the first variable resistance R1 of adjusting and described the second adjustable resistance device R2 place in circuit, can also realize the simulation light modulation to LED.On the other hand, when switch 6 disconnects, can not use the simulation dimming function, and can to make the resistance value of described the first variable resistance R1 place in circuit be zero, make power consumption minimum.
Can find out, can realize simultaneously PWM light modulation and optional simulation light modulation according to the system of the embodiment of the present invention.
The above preferred embodiment according to the present invention, can be according to the random color light that synthesizes to provide expectation of three primary colors, and control the parameters such as light intensity by modulation, above preferred embodiment of the present invention provides a kind of stage light efficiency control system that does not need the lamp of all colours is installed and can realize the lamp of all colours thus.
In addition, need to prove, unless otherwise indicated, otherwise the term in specification " first ", " second ", " the 3rd " etc. describe each assembly of only being used for distinguishing specification, element, step etc., rather than are used for logical relation between each assembly of expression, element, step or ordinal relation etc.
Be understandable that, although the present invention with the preferred embodiment disclosure as above, yet above-described embodiment is not to limit the present invention.For any those of ordinary skill in the art, do not breaking away from technical solution of the present invention scope situation, all can utilize the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (6)
1. a stage light efficiency control system, is characterized in that comprising: R type LED module, G type LED module, Type B LED module, R driver, G driver, B drive; Wherein, R type LED module transmits ruddiness to light synthesizer; G type LED module transmits green glow to light synthesizer; The Type B LED module transmits blue light to light synthesizer;
And wherein, the R driver provides the R drive current according to the R drive control signal of controller transmission for R type LED module, the G driver provides the G drive current according to the G drive control signal of controller transmission for G type LED module, and B drive provides the B drive current according to the B drive control signal of controller transmission for the Type B LED module.
2. stage light efficiency control system according to claim 1 characterized by further comprising: controller, light synthesizer, feedback processor and wavelength analysis unit;
Wherein, the wavelength analysis unit receives the light compositing signal from light synthesizer;
Wherein, feedback processor is from wavelength analysis unit reception wavelength information signal;
Wherein, the blue light that the green glow that light synthesizer comes to the ruddiness that transmits from R type LED module, from the transmission of G type LED module and the transmission of Type B LED module come synthesize to obtain synthetic light, according to synthetic light to wavelength analysis unit transmission light compositing signal;
Wherein, the wavelength analysis unit goes out the wavelength analysis signal of the synthetic light wavelength analysis result of expression according to the light compositing calculated signals that receives from light synthesizer, and sends the wavelength analysis signal to feedback processor;
Wherein, feedback processor FB is from wavelength analysis unit reception wavelength analysis signal, and receive reference wavelength information from controller, and relatively wavelength analysis signal and reference wavelength information, obtain feedback signal according to the difference of wavelength analysis signal and reference wavelength information;
Controller is from the feedback processor receiving feedback signals, and the R drive control signal that controller transmits to the R driver according to the feedback signal adjustment, the G drive control signal of transmitting to the G driver and the B drive control signal of transmitting to B drive, thereby after adjustment, the light that light synthesized that makes R type LED module, G type LED module and Type B LED module launch become or more level off to the expectation synthetic light;
And described stage light efficiency control system further comprises: the first voltage comparator, second voltage comparator, reference voltage input unit, the first variable resistance, the second adjustable resistance device and switch;
Wherein, the reverse input end of the positive input of described the first voltage comparator and described second voltage comparator is connected to the electrical network of sine wave output alternating current;
The positive input of the reverse input end of described the first voltage comparator and described second voltage comparator is connected to the reference voltage input unit, the reference voltage input unit provides the first reference voltage to the reverse input end of described the first voltage comparator thus, and provides the second reference voltage to the positive input of described second voltage comparator;
Wherein, described the first reference voltage is greater than described the second reference voltage, and described the first reference voltage is positive voltage, and described the second reference voltage is negative voltage;
The output of the output of described the first voltage comparator and described second voltage comparator is connected to the first end of described the first variable resistance, the second end of described the first variable resistance is connected to the first end of described the second adjustable resistance device, the second end of described the second adjustable resistance device is connected to the first end of switch, the second end ground connection of described switch;
And, the voltage at the tie point place of the second end of described the first variable resistance and the first end of described the second adjustable resistance device as output voltage to R type LED module, G type LED module, the power supply of Type B LED module.
3. stage light efficiency control system according to claim 1 and 2, is characterized in that, the synthetic light wavelength information that superposes and obtain by RGB of reference wavelength information representative expection.
4. stage light efficiency control system according to claim 1 and 2, is characterized in that, R type LED module, G type LED module, Type B LED module are respectively LED lamp strings.
5. stage light efficiency control system according to claim 1 and 2, is characterized in that, described the first variable resistance and described the second adjustable resistance device are identical variable resistances.
6. stage light efficiency control system according to claim 1 and 2, is characterized in that, described the first voltage comparator and described second voltage comparator are identical voltage comparators.
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| CN2013101431575A CN103179765A (en) | 2013-04-22 | 2013-04-22 | Stage light effect control system |
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| CN2013101431575A CN103179765A (en) | 2013-04-22 | 2013-04-22 | Stage light effect control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104460626A (en) * | 2014-12-09 | 2015-03-25 | 浙江大丰实业股份有限公司 | Integrated stage control system based on internet of things |
| CN104597873A (en) * | 2014-12-09 | 2015-05-06 | 浙江大丰实业股份有限公司 | Internet of things based stage multi-dimensional wireless control system |
| CN104615099A (en) * | 2014-12-09 | 2015-05-13 | 浙江大丰实业股份有限公司 | Internet of Things based coordinative control system for stage |
| CN111639720A (en) * | 2020-06-11 | 2020-09-08 | 浙江大丰实业股份有限公司 | Stage light following positioning system |
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| CN104597873A (en) * | 2014-12-09 | 2015-05-06 | 浙江大丰实业股份有限公司 | Internet of things based stage multi-dimensional wireless control system |
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| CN111639720A (en) * | 2020-06-11 | 2020-09-08 | 浙江大丰实业股份有限公司 | Stage light following positioning system |
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Application publication date: 20130626 |