CN105163432B - A kind of stage light effect control system - Google Patents
A kind of stage light effect control system Download PDFInfo
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- CN105163432B CN105163432B CN201510522348.1A CN201510522348A CN105163432B CN 105163432 B CN105163432 B CN 105163432B CN 201510522348 A CN201510522348 A CN 201510522348A CN 105163432 B CN105163432 B CN 105163432B
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Abstract
The stage light effect control system of the present invention controls the setting of circuit by the driving power supply based on Power Control, active probe circuit, preposition positioning circuit, outdoor scene light reconstruction circuit, association light efficiency feedback circuit, light efficiency, the problem of solving stage light effect control accuracy difference in the prior art and high energy consumption, and pass through special light reconstruction procedures, so that stage light effect is more true to nature, pass through the feedback to stage light effect and stage personnel's implementation status simultaneously, the real-time perception to stage light effect is realized, stage general performance effect greatly improved.
Description
Technical field
The present invention relates to Stage Equipment Control field, more particularly to a kind of stage light effect control system.
Background technology
Current stage lighting system can typically include multigroup lighting unit, in order to realize predetermined lighting effects, it is necessary to
Each lighting unit is regulated and controled, different lamp group needs different personnel or equipment control, accuracy when this causes to use,
Validity is poor, high energy consumption, and can not realize the real-time perception to light efficiency control effect and control, so as to have impact on the whole of stage
Body expression effect.
The content of the invention
The purpose of the present invention is achieved through the following technical solutions.
According to the embodiment of the present invention, a kind of stage light effect control system is proposed, the system includes：In Stage Equipment Control
The heart, the driving power supply based on Power Control, active probe circuit, preposition positioning circuit, outdoor scene light reconstruction circuit, association light efficiency
Feedback circuit, light efficiency control circuit and LED illumination group circuit, the Stage Equipment Control center is connected based on Power Control respectively
Driving power supply, active probe circuit, preposition positioning circuit, outdoor scene light reconstruction circuit, association light efficiency feedback circuit, light efficiency control
Circuit processed and LED illumination group circuit, the light efficiency control circuit connection LED illumination group circuit；Wherein,
The light efficiency control circuit is used for the light efficiency control instruction for receiving Stage Equipment Control center, and according to control instruction control
LED illumination group circuit；
The active probe circuit is used for personnel state in active probe stage region, and control LED illumination group electricity in real time
The opening and closing on road；
The preposition positioning circuit is used to detect stage personnel and space orientation, and positioning result is sent to dance
Platform control centre；
The outdoor scene light reconstruction circuit is used to, according to the light data gathered in initial space, carry out in the range of stage
Rebuild；
The association light efficiency feedback circuit is used to gathering matching for stage personnel and predetermined light efficiency, and matching result is fed back
To Stage Equipment Control center；
The driving power supply based on Power Control is used to Power Control is powered and performed for whole system；
The Stage Equipment Control center be used for receive active probe circuit, preposition positioning circuit, outdoor scene light reconstruction circuit and
Detection and the analysis result of light efficiency feedback circuit are associated, and generates stage light effect control instruction.
According to the embodiment of the present invention, the active probe circuit includes sensing unit and energy-conservation signal generation unit,
The sensing unit is used for the state that enters and leaves for sensing personnel in the range of stage, and sensing result is sent to energy-conservation signal
Generation unit, the energy-conservation signal generation unit generates light Energy Saving Control signal according to the sensing result of sensing unit and passed through
Stage Equipment Control center is sent to LED illumination group circuit, the opening and closing to control LED illumination group circuit.
According to the embodiment of the present invention, the preposition positioning circuit include be sequentially connected 3 D human body probe unit,
Data conversion unit and map unit, wherein, the 3 D human body probe unit and the map unit are positioned over to be mapped
Stage regional space in front of.
According to the embodiment of the present invention, the outdoor scene light reconstruction circuit specifically includes the when darkening space being sequentially connected
Data acquisition unit, data remap unit, sort merge unit, luminous point fitting unit and outdoor scene light reconstruction unit.
According to the embodiment of the present invention, the association light efficiency feedback circuit specifically includes signal transmission feedback unit and pressure
Strong sensing unit, the signal transmission feedback unit is provided with wireless transmitting unit, and the pressure sensing unit is flat by extra-high resistance
Plate and piezoelectricity conversion flat board composition, piezoelectricity conversion flat board are located between the extra-high resistance flat board of two panels, adjacent pressure sensing unit it
Between using parallel way connection, it is in parallel after the positive and negative end drawn of pressure sensing unit connect signal transmission feedback unit respectively
Input；Wireless transmitting unit and Stage Equipment Control center wireless connection on signal transmission feedback unit.
According to the embodiment of the present invention, the light efficiency control circuit is specifically included：Decode demodulating unit, light efficiency regulation list
Member, returning unit and error checking unit；Wherein,
The decoding demodulating unit is used to the light efficiency control signal of reception is decoded and demodulated, and then decoding is demodulated
Signal afterwards is respectively sent to light efficiency adjustment unit and returning unit；
The light efficiency adjustment unit drives LED illumination according to the revised true light effect signal processing data of process of reception
Group；
The signal return error checking unit that the returning unit is used to decode after demodulation；
The error checking unit is used to carry out accuracy detection to the signal of return, believes when detecting the control with sending before
When number variant, error signal is sent to Stage Equipment Control center.
The stage light effect control system of the present invention passes through the driving power supply based on Power Control, active probe circuit, preposition
Positioning circuit, outdoor scene light reconstruction circuit, association light efficiency feedback circuit, light efficiency control the setting of circuit, solve prior art
The problem of middle stage light effect control accuracy difference and high energy consumption, and pass through special light reconstruction procedures so that stage light effect is more
It is true to nature, while by the feedback to stage light effect and stage personnel's implementation status, realizing the real-time perception to stage light effect, greatly
Width improves stage general performance effect.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Accompanying drawing 1 shows the stage light effect control system structural representation according to embodiment of the present invention；
Accompanying drawing 2 shows the active probe electrical block diagram according to embodiment of the present invention；
Accompanying drawing 3 shows the preposition positioning circuit structural representation according to embodiment of the present invention；
Accompanying drawing 4 shows the outdoor scene light reconstruction circuit structural representation according to embodiment of the present invention；
Accompanying drawing 5 shows the association light efficiency feedback circuit structure schematic diagram according to embodiment of the present invention；
Accompanying drawing 6 shows the driving power supply structural representation based on Power Control according to embodiment of the present invention；
Accompanying drawing 7 shows the light efficiency control circuit structural representation according to embodiment of the present invention.
Embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely it is able to be best understood from the disclosure there is provided these embodiments, and can be by this public affairs
The scope opened completely convey to those skilled in the art.
According to the embodiment of the present invention, a kind of stage light effect control system, as shown in Figure 1, the system bag are proposed
Include：Stage Equipment Control center, the driving power supply based on Power Control, active probe circuit, preposition positioning circuit, outdoor scene light are rebuild
Circuit, association light efficiency feedback circuit, light efficiency control circuit and LED illumination group circuit, the Stage Equipment Control center is connected respectively
Driving power supply based on Power Control, active probe circuit, preposition positioning circuit, outdoor scene light reconstruction circuit, association light efficiency are anti-
Current feed circuit, light efficiency control circuit and LED illumination group circuit, the light efficiency control circuit connection LED illumination group circuit；Wherein,
The light efficiency control circuit is used for the light efficiency control instruction for receiving Stage Equipment Control center, and according to control instruction control
LED illumination group circuit；
The active probe circuit is used for personnel state in active probe stage region, and control LED illumination group electricity in real time
The opening and closing on road；
The preposition positioning circuit is used to detect stage personnel and space orientation, and positioning result is sent to dance
Platform control centre；
The outdoor scene light reconstruction circuit is used to, according to the light data gathered in initial space, carry out in the range of stage
Rebuild, to realize light efficiency more true to nature；
The association light efficiency feedback circuit is used to gathering matching for stage personnel and predetermined light efficiency, and matching result is fed back
To Stage Equipment Control center；
The driving power supply based on Power Control is used to Power Control is powered and performed for whole system；
The Stage Equipment Control center be used for receive active probe circuit, preposition positioning circuit, outdoor scene light reconstruction circuit and
Detection and the analysis result of light efficiency feedback circuit are associated, and generates stage light effect control instruction.
According to the embodiment of the present invention, as shown in Figure 2, the active probe circuit includes sensing unit and energy-conservation is believed
Number generation unit, what the sensing unit was used to sense personnel in the range of stage enters and leaves state, and sensing result is sent out
Energy-conservation signal generation unit is delivered to, the energy-conservation signal generation unit generates light energy-conservation according to the sensing result of sensing unit and controlled
Signal processed is simultaneously sent to LED illumination group circuit by Stage Equipment Control center, unlatching and pass to control LED illumination group circuit
Close；
The energy-conservation signal generation unit include resistance R1, R2, R3, electric capacity C1, C2, hot sensing processing unit, can power transformation
RR1 and triode VT1 is hindered, the sensing unit includes hot sensing unit, variable resistor RR2-RR4, resistance R4-R12, electric capacity
C3-C10；Wherein,
One end connection resistance R2 of the electric capacity C1, resistance R12, variable resistor RR2 fixing end, variable resistor RR2
Sliding end, the 1st connection end of hot sensing processing unit, the 8th connection end of hot sensing processing unit, the of hot sensing processing unit
11 connection ends and the driving power supply based on Power Control；
The electric capacity C1 other end connection resistance R2 other end and triode VT1 colelctor electrode；Triode VT1 emitter stage
LED illumination group circuit is connected, triode VT1 base stage connection resistance R3, resistance the R3 other end connect hot sensing processing unit
The 7th connection end；
LED illumination group circuit is also connected with resistance R7, resistance R8, electric capacity C2, electric capacity C3, electric capacity C5, variable resistor RR3 and consolidated
Fixed end, the 3rd connection end of the 2nd connection end of hot sensing processing unit and hot sensing unit are simultaneously grounded；
Electric capacity C2 other end connection resistance R1 variable resistors RR1 fixing end, variable resistor RR1 sliding end, heat is passed
Feel the 4th connection end of processing unit and the 5th connection end of hot sensing processing unit, the resistance R1 other end connects hot sensing processing
3rd connection end of unit；
Variable resistor RR1 another fixing end connects the 6th connection end of hot sensing processing unit, variable resistor RR2's
Another fixing end connection resistance R9 other end and the 9th connection end of hot sensing processing unit；
The 10th connection end connection resistance R7 of the hot sensing processing unit other end, the 12nd connection of hot sensing processing unit
End connection resistance R4 and electric capacity C4, the 13rd connection end connection resistance R4 of hot the sensing processing unit other end, resistance R10 and electricity
Hold the C4 other end, the 14th connection end connection resistance R5 of hot sensing processing unit, the 15th connection end of hot sensing processing unit
Connect resistance R6, electric capacity C4, electric capacity C8 and electric capacity the C3 other end, the 16th connection end connection resistance R6 of hot sensing processing unit
The other end, resistance R8 and electric capacity the C6 other end；
The resistance R8 other end connection electric capacity C5 other end, the resistance R5 other end connects the 2nd of hot sensing unit and connected
End, the electric capacity C10 other end, variable resistor RR1 sliding end and variable resistor RR3 another fixing end are connect, resistance R10's
The other end connects resistance R11 and electric capacity C7, and the electric capacity C7 other end connects the resistance R11 other end and the electric capacity C8 other end,
The resistance R12 other end connects electric capacity C9 and variable resistor RR4 fixing end, electric capacity C9 other end ground connection, variable resistor RR4
Sliding end connection variable resistor RR4 another fixing end and hot sensing unit.
According to the embodiment of the present invention, as shown in Figure 3, the preposition positioning circuit includes the three-dimensional people being sequentially connected
Body probe unit, data conversion unit and map unit, wherein, the 3 D human body probe unit and the map unit are put
It is placed in front of stage regional space to be mapped；
The display unit at pre-defined Stage Equipment Control center is mapping space, and its upper left corner is origin；Define map unit
Mapping area be stage regional space, its upper left corner be stage regional space origin；The origin of mapping space is through map unit
It is incident upon the origin of stage regional space；
The 3 D human body probe unit obtains organization of human body data set and span data set；The data conversion unit profit
With the transformational relation between span image space, stage regional space, mapping space, configuration data set and span data set are become
Change in mapping space；The map unit carries out human body mapping settings according to system point in mapping space, re-maps to dance
Platform regional space, to realize the space orientation of stage personnel, and positioning result is sent to Stage Equipment Control center.
According to the preferred embodiment of the present invention, the data conversion unit is empty using span image space, stage region
Between, the transformational relation between mapping space, by configuration data set and span data set transformation to mapping space, specifically include：
By configuration data set and span data set transformation to span image space；
According to span image space and the locus transformational relation of stage regional space, and mapping space and stage area
The locus transformational relation of domain space, obtains the transformational relation between span image space and mapping space；
Organization of human body point is mapped on mapping space using the transformational relation between span image space and mapping space.
According to the preferred embodiment of the present invention, the locus of the span image space and stage regional space is changed
Relation is linear relationship：
Dx=k11Px+b11
Dy=k12Py+b12 (1)
Wherein, (Dx、Dy) be span image space in point locus；(Px、Py) be stage regional space in point
Locus；k11、k12、b11、b12For coefficient；
The locus transformational relation of mapping space and stage regional space is linear relationship：
Px=k21Tx
Py=k22Ty (2)
Wherein, (Tx、Ty) be mapping space in point locus；k21、k22For coefficient；
Then the locus transformational relation of span spatial and mapping space is：
Tx=kxDx+bx
Ty=kyDy+by (3)
Wherein,
kx=1/k11k21
ky=1/k12k22
bx=-b11/(k11k21)
by=-b12/(k12k22) (4)
Wherein, k11、k12、b11、b12、k21、k22It can be obtained by normal experiment survey calculation.
According to the embodiment of the present invention, as shown in Figure 4, the outdoor scene light reconstruction circuit, which is specifically included, is sequentially connected
When darkening space data collection unit, data remap unit, sort merge unit, luminous point fitting unit and outdoor scene light
Reconstruction unit, wherein,
Darkening spatial data when darkening space data collection unit is collected in initial space in advance when described；It is described
Shi Bianguang spatial datas can be, for example, flash ranging image sequence or the four-dimensional planar light space representation model of time-varying；
The data remap unit when will be described darkening spatial data be remapped to the source region for rebuilding space；
The sort merge unit will remap the anisotropism luminous point that obtained light spatial data classification is combined as separating；
Each anisotropism luminous point that the luminous point fitting unit is completed to sort merge, uses one group of PLC technology
Panchromatic system's arrow beam of light and different rotary angle be fitted；
When darkening spatial data of the outdoor scene light reconstruction unit by background program and after remapping is each to control
The color and intensity of the moment anglec of rotation and arrow beam of light, realize that the light of initial space is rebuild.
According to the embodiment of the present invention, as shown in Figure 5, the association light efficiency feedback circuit is specifically included：Signal is passed
Defeated feedback unit and pressure sensing unit, the signal transmission feedback unit is provided with wireless transmitting unit, the pressure sensing
Unit is made up of extra-high resistance flat board and piezoelectricity conversion flat board, and piezoelectricity conversion flat board is located between the extra-high resistance flat board of two panels, adjacent
Connected between pressure sensing unit using parallel way, the positive and negative end that the pressure sensing unit after parallel connection is drawn connects letter respectively
Number transmission feedback unit input；Wireless transmitting unit on signal transmission feedback unit with Stage Equipment Control center with wirelessly connecting
Connect.
According to the preferred embodiment of the present invention, signal transmission feedback unit also include first order operational amplifier,
Second level operational amplifier, series resistor, feedback resistance, current-limiting resistance, balance slide rheostat, feedback capacity and the pole of voltage stabilizing two
Pipe；
Output end after the negative input end connection pressure sensing unit of the first order operational amplifier is in parallel, first order fortune
The two ends difference first order operational amplifier feedback resistance in parallel and first order operational amplifier feedback electric capacity of amplifier are calculated, is completed
The amplification of electric charge；It is connected after electric charge the first series resistor of series connection after amplification with the input of second level operational amplifier；The
The two ends of two-level operating amplifier second level operational amplifier feedback resistance in parallel, the output end connection of second level operational amplifier
Wireless transmitting unit, first order operational amplifier positive power source terminal is connected to the first current-limiting resistance, and negative power end is connected to the second current limliting electricity
Resistance, positive input terminal is connected to the second series resistor, and the second series resistor is another to be terminated with the first balance slide rheostat；Transport the second level
Calculate amplifier positive input terminal and be connected to the 3rd series resistor, the 3rd series resistor is another to be terminated with the second balance slide rheostat.
According to the embodiment of the present invention, as shown in Figure 6, the driving power supply based on Power Control includes：It is preposition
Electromagnetism eliminates unit, hands over straight converter unit, break-make converting unit, driving switch power subsystem, global loop control unit, simulation
Phototube coupling unit, stabilized current supply output unit, voltage detection unit, current detecting unit, realtime power arithmetic element, current stabilization
Control unit, pulsewidth modulation light adjustment unit and wireless transmit/receive units；Wherein,
The preposition electromagnetism eliminates unit, hands over straight converter unit, break-make converting unit to be sequentially connected and be connected to current stabilization electricity
Source output unit, the output end connection driving switch power subsystem of break-make converting unit, the output point of driving switch power subsystem
Lian Jie not global loop control unit, analog photoelectricity isolated location, current stabilization control unit, pulsewidth modulation light adjustment unit, simulation
The output end of phototube coupling unit connects break-make converting unit, the stabilized current supply output unit by global loop control unit
Output be also respectively connected with voltage detection unit and current detecting unit, the voltage detection unit and current detecting unit it is defeated
Go out to connect realtime power arithmetic element, the output connection break-make converting unit of the realtime power arithmetic element, pulsewidth modulation light
Adjustment unit is connected to stabilized current supply output unit by current stabilization control unit；The wireless transmit/receive units connect pulsewidth modulation light
Adjustment unit；
Wherein, alternating current is output to break-make converting unit, mould after preposition electromagnetism eliminates unit and hands over straight converter unit
Intend phototube coupling unit and the driving switch power subsystem output voltage of detection is passed through into analog photoelectricity isolation input to global loop
Control unit, driving switch power subsystem is single to global loop control unit, analog photoelectricity isolated location, current stabilization control respectively
Member, pulsewidth modulation light adjustment unit are powered, and voltage, current stabilization control are expected in the control break-make converting unit output of global loop control unit
Unit control stabilized current supply output unit output expectation electric current processed, pulsewidth modulation light adjustment unit receives wireless transmit/receive units and received
Remote control light modulating signal, and by current stabilization control unit to the LED illumination group circuit carry out Dimming operation；The voltage detecting
Unit and current detecting unit detect the output voltage and electric current of stabilized current supply output unit, the realtime power computing list respectively
Member calculates real-time driving power according to the voltage x current of detection, and the Real Time Drive performance number is sent into single to break-make conversion
Member, is corrected to power output.
According to the embodiment of the present invention, as shown in Figure 7, the light efficiency control circuit is specifically included：Decoding demodulation is single
Member, light efficiency adjustment unit, returning unit and error checking unit；Wherein,
The decoding demodulating unit is used to the light efficiency control signal of reception is decoded and demodulated, and then decoding is demodulated
Signal afterwards is respectively sent to light efficiency adjustment unit and returning unit；
The light efficiency adjustment unit drives LED illumination according to the revised true light effect signal processing data of process of reception
Group；
The signal return error checking unit that the returning unit is used to decode after demodulation；
The error checking unit is used to carry out accuracy detection to the signal of return, believes when detecting the control with sending before
When number variant, error signal is sent to Stage Equipment Control center.
According to the preferred embodiment of the present invention, the light efficiency adjustment unit specifically includes light efficiency data resolution unit, micro-
Processor, width-modulation pulse unit, IPM (SPM) driving stabilizations unit, IPM AC choppings unit and actively filter
Ripple unit；
The light efficiency data resolution unit is received after the signal from stage illumination, lighting central control unit, is transmitted a signal to
Microprocessor, the width-modulation pulse unit is connected electrically in the output end of microprocessor, the output end electricity of the microprocessor
It is connected to the input that IPM drives stabilization unit, the output end electrical connection IPM AC chopping lists of the IPM drivings stabilization unit
The input of member, the IPM AC choppings unit electrically connects the input of active filtering unit, the active filtering unit it is defeated
Go out end electrical connection LED illumination unit.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should the protection model with claim
Enclose and be defined.
Claims (1)
1. a kind of stage light effect control system, the system includes：Stage Equipment Control center, the driving power supply based on Power Control,
Active probe circuit, preposition positioning circuit, outdoor scene light reconstruction circuit, association light efficiency feedback circuit, light efficiency control circuit and
LED illumination group circuit, the Stage Equipment Control center connects the driving power supply based on Power Control respectively, active probe circuit, preceding
Positioning circuit, outdoor scene light reconstruction circuit, association light efficiency feedback circuit, light efficiency control circuit and LED illumination group circuit are put,
The light efficiency control circuit connection LED illumination group circuit；Wherein,
The light efficiency control circuit is used for the light efficiency control instruction for receiving Stage Equipment Control center, and controls LED according to control instruction
Illumination group circuit；
The active probe circuit is used for personnel state in active probe stage region, and controls LED illumination group circuit in real time
Open and close；
The preposition positioning circuit is used to detect stage personnel and space orientation, and positioning result is sent to stage control
Center processed；
The outdoor scene light reconstruction circuit is used to, according to the light data gathered in initial space, be weighed in the range of stage
Build；
The association light efficiency feedback circuit is used to gathering matching for stage personnel and predetermined light efficiency, and matching result is fed back into dance
Platform control centre；
The driving power supply based on Power Control is used to Power Control is powered and performed for whole system；
The Stage Equipment Control center is used to receive active probe circuit, preposition positioning circuit, outdoor scene light reconstruction circuit and association
The detection of light efficiency feedback circuit and analysis result, and generate stage light effect control instruction；
The active probe circuit includes sensing unit and energy-conservation signal generation unit, and the sensing unit is used to sense stage model
The state that enters and leaves of interior personnel is enclosed, and sensing result is sent to energy-conservation signal generation unit, the energy-conservation signal generation
Unit generates light Energy Saving Control signal according to the sensing result of sensing unit and sent by Stage Equipment Control center to LED illumination
Group circuit, the opening and closing to control LED illumination group circuit；
The preposition positioning circuit includes 3 D human body probe unit, data conversion unit and the map unit being sequentially connected,
Wherein, the 3 D human body probe unit and the map unit are positioned in front of stage regional space to be mapped；Wherein, institute
State 3 D human body probe unit and obtain organization of human body data set and span data set；The data conversion unit utilizes span image
Transformational relation between space, stage regional space, mapping space, configuration data set and span data set transformation is empty to mapping
Between in；The map unit carries out human body mapping settings according to system point in mapping space, re-maps to stage regional space,
To realize the space orientation of stage personnel, and positioning result is sent to Stage Equipment Control center；
The outdoor scene light reconstruction circuit specifically includes when darkening space data collection unit, the data being sequentially connected and remaps list
Member, sort merge unit, luminous point fitting unit and outdoor scene light reconstruction unit；Wherein,
Darkening spatial data when darkening space data collection unit is collected in initial space in advance when described；The time-varying
Light spatial data is flash ranging image sequence or the four-dimensional planar light space representation model of time-varying；
The data remap unit when will be described darkening spatial data be remapped to the source region for rebuilding space；
The sort merge unit will remap the anisotropism luminous point that obtained light spatial data classification is combined as separating；
Each anisotropism luminous point that the luminous point fitting unit is completed to sort merge, uses the complete of one group of PLC technology
Colour system arrow beam of light and different rotary angle are fitted；
When darkening spatial data of the outdoor scene light reconstruction unit by background program and after remapping controls each moment
The color and intensity of the anglec of rotation and arrow beam of light, realize that the light of initial space is rebuild；
The association light efficiency feedback circuit specifically includes signal transmission feedback unit and pressure sensing unit, and the signal transmission is anti-
Present unit and be provided with wireless transmitting unit, the pressure sensing unit is made up of extra-high resistance flat board and piezoelectricity conversion flat board, piezoelectricity
Conversion flat board is located between the extra-high resistance flat board of two panels, is connected between adjacent pressure sensing unit using parallel way, after parallel connection
Pressure sensing unit draw positive and negative end connect respectively signal transmission feedback unit input；On signal transmission feedback unit
Wireless transmitting unit and Stage Equipment Control center wireless connection；
The light efficiency control circuit is specifically included：Decode demodulating unit, light efficiency adjustment unit, returning unit and error checking unit；
Wherein,
The decoding demodulating unit is used to the light efficiency control signal of reception is decoded and demodulated, then after decoding demodulation
Signal is respectively sent to light efficiency adjustment unit and returning unit；
The light efficiency adjustment unit drives LED illumination group according to the revised true light effect signal processing data of process of reception；
The signal return error checking unit that the returning unit is used to decode after demodulation；
The error checking unit is used to carry out accuracy detection to the signal of return, when the control signal for detecting with sending before has
During difference, error signal is sent to Stage Equipment Control center.
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| CN107567157B (en) * | 2016-06-30 | 2019-05-28 | 浙江大丰实业股份有限公司 | Stage background Optimizing Control System based on scene progress |
| CN107567159B (en) * | 2016-06-30 | 2019-06-28 | 浙江大丰实业股份有限公司 | Arenas light detects control platform |
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