CN104486884A - Accurate stage illumination wireless regulation and control method based on internet of things - Google Patents
Accurate stage illumination wireless regulation and control method based on internet of things Download PDFInfo
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- CN104486884A CN104486884A CN201410781126.7A CN201410781126A CN104486884A CN 104486884 A CN104486884 A CN 104486884A CN 201410781126 A CN201410781126 A CN 201410781126A CN 104486884 A CN104486884 A CN 104486884A
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Abstract
The invention discloses an accurate stage illumination wireless regulation and control method based on internet of things. The accurate stage illumination wireless regulation and control method realizes remote centralized control to a plurality of groups of LED (Light Emitting Diode) illumination units, solves the islanding effect on regulation and control of an illumination unit, uses the design of the distributed lighting effect adjusting units, and realizes disturbance control among the plurality of groups of LED illumination units and between the LED illumination units and other stage subsystems.
Description
Technical field
The present invention relates to Stage Equipment Control field, particularly relate to a kind of stage lighting system regulate and control method based on technology of Internet of things.
Background technology
Current stage lighting system generally can comprise organizes lighting unit more, in order to realize predetermined lighting effects, need to regulate and control each lighting unit, but current control methods are based on adjusting manually mostly, efficiency is low, but because stage lighting system is a systematic engineering of business, can influence each other between each group of lighting unit, and engineering staff is when adjusting each group of lighting unit, be difficult to prediction and judge what impact the lighting unit after adjusting can produce to other each group lighting units, therefore can only estimate by rule of thumb, and staff cannot predict certain group lighting unit adjusted and can or can not cause interference to other Stage Systems, such as to sound system.
" Internet of Things concept " is on the basis of " the Internet concept ", is extended by its user side and expands between any article and article, carrying out information exchange and a kind of network concept communicated.Its definition is: by information sensing equipment such as radio-frequency (RF) identification (RFID), infrared inductor, global positioning system, laser scanners, by the agreement of agreement, any article are connected with the Internet, carry out information exchange and communicate, to realize a kind of network concept of Weigh sensor, location, tracking, monitor and managment.As can be seen here, technology of Internet of things can meet the centralized management to multicomponent cloth terminal equipment, and this brings solution also to the comprehensive regulation of stage lighting system.
Therefore, how Internet of Things control technology being applied to stage lighting system is one of work of the present invention.
Summary of the invention
The object of the invention is to be achieved through the following technical solutions.
According to the embodiment of the present invention, propose a kind of stage lighting system regulate and control method based on technology of Internet of things, described system comprises stage illumination, lighting central control unit, CAN and organizes LED illumination unit more, often organize LED illumination unit and comprise the distributed AC servo system interface connected successively, distributed light efficiency adjustment unit and LED group, described stage illumination, lighting central control unit is connected by CAN organizes LED illumination unit more; Described regulate and control method specifically comprises:
S1, stage illumination, lighting central control unit generate the true light effect signal deal with data of LED illumination unit;
S2, described true light effect signal deal with data is sent to the distributed AC servo system interface of LED illumination unit by CAN;
S3, described distributed light efficiency adjustment unit receive the true light effect signal deal with data after simulation modification by distributed AC servo system interface from stage illumination, lighting central control unit, and according to above-mentioned true light effect signal deal with data driving LED lamp group.
According to the embodiment of the present invention, described step S1 specifically comprises:
Stage lighting system emulation mapping graph set up by described stage illumination, lighting central control unit, described stage lighting system emulation mapping graph comprises many group LED illumination unit emulation mapping graphs, often organize LED illumination unit emulation mapping graph corresponding with group LED illumination unit of in stage lighting system, often organize LED illumination unit emulation mapping graph and comprise one group of emulation input processing parameter, described emulation input processing parameter comprises many group emulation light effect signal deal with data, each emulation light effect signal deal with data of LED illumination unit emulation mapping graph respectively with each true light effect signal deal with data one_to_one corresponding of LED illumination unit, described stage illumination, lighting central control unit is revised each emulation light effect signal deal with data according to stage performance illumination scheme, and revised data is converted to again the true light effect signal deal with data of LED illumination unit.
According to the embodiment of the present invention, described distributed light efficiency adjustment unit specifically comprises light efficiency Data Analysis unit, microprocessor, width-modulation pulse unit, IPM driving stabilization unit, IPM AC chopping unit and active filtering unit; Described width-modulation pulse unit is connected electrically in the output of microprocessor, the output of described microprocessor is connected electrically in the input that IPM drives stabilization unit, described IPM drives the input of the output electrical connection IPM AC chopping unit of stabilization unit, the input of described IPM AC chopping unit electrical connection active filtering unit, the output electrical connection LED illumination unit of described active filtering unit.
According to the embodiment of the present invention, described step S3 specifically comprises:
After described light efficiency Data Analysis unit receives the signal from stage illumination, lighting central control unit, by Signal transmissions to microprocessor;
The light effect signal process data signal of sending from stage illumination, lighting central control unit is sent into microprocessor, microprocessor is according to light effect signal process data signal and the distributed node mark preset, if the distributed node mark in light effect signal process data signal identifies identical with the distributed node of setting, then take out the luminance signal data in light effect signal process data signal, draw the LED group brightness data needing adjustment, be sent to width-modulation pulse unit;
Width-modulation pulse unit adjusts the power cycles ratio of output pulse width modulation signal according to the luminance signal that microprocessor sends, and the pulse-width signal after adjustment is exported to IPM driving stabilization unit;
Described IPM drives stabilization unit according to above-mentioned pulse-width signal, produce from pulse-width signal frequency, phase place and power cycles than drive singal that is identical and the band negative bias voltage that amplitude is different, in the drive singal control IPM AC chopping unit of this band negative bias voltage, IPM's opens and turns off thus produce output voltage;
The output voltage of described IPM AC chopping unit is after active filtering unit filtering, draw to the power cycles of pulse-width signal than the output voltage be directly proportional, should output in LED group than the output voltage be directly proportional to the power cycles of pulse-width signal, namely realize the regulation and control to LED group.
By the stage lighting system regulate and control method based on technology of Internet of things of the present invention, achieve the long-distance centralized control to many group LED illumination unit, solve the island effect of lighting unit regulation and control, simultaneously by the design of distributed light efficiency adjustment unit, achieve between many group LED illumination unit and with the interference of other stage subsystems and control.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Figure 1 show the illumination regulator control system structural representation based on technology of Internet of things according to embodiment of the present invention;
Figure 2 illustrate the stage lighting system regulate and control method flow chart based on technology of Internet of things according to embodiment of the present invention;
Figure 3 show and drive stabilization cellular construction schematic diagram according to the IPM of embodiment of the present invention;
Fig. 4 illustrate the IPM AC chopping cellular construction schematic diagram according to embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings illustrative embodiments of the present disclosure is described in more detail.Although show illustrative embodiments of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the execution mode of setting forth here.On the contrary, provide these execution modes to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
According to the embodiment of the present invention, propose a kind of stage lighting system regulate and control method based on technology of Internet of things, as shown in Figure 1, described system comprises stage illumination, lighting central control unit, CAN and organizes LED illumination unit more, often organize LED illumination unit and comprise the distributed AC servo system interface connected successively, distributed light efficiency adjustment unit and LED group, described stage illumination, lighting central control unit is connected by CAN organizes LED illumination unit more; Described regulate and control method specifically comprises, as shown in Figure 2:
Stage lighting system emulation mapping graph set up by described stage illumination, lighting central control unit, described stage lighting system emulation mapping graph comprises many group LED illumination unit emulation mapping graphs, often organize LED illumination unit emulation mapping graph corresponding with group LED illumination unit of in stage lighting system, often organize LED illumination unit emulation mapping graph and comprise one group of emulation input processing parameter, described emulation input processing parameter comprises many group emulation light effect signal deal with data, each emulation light effect signal deal with data of LED illumination unit emulation mapping graph respectively with each true light effect signal deal with data one_to_one corresponding of LED illumination unit, described stage illumination, lighting central control unit is revised each emulation light effect signal deal with data according to stage performance illumination scheme, and revised data are converted to again the true light effect signal deal with data of LED illumination unit, and be sent to the distributed AC servo system interface of LED illumination unit by CAN,
Described distributed light efficiency adjustment unit receives the true light effect signal deal with data after simulation modification by distributed AC servo system interface from stage illumination, lighting central control unit, and according to above-mentioned true light effect signal deal with data driving LED lamp group; Described distributed light efficiency adjustment unit specifically comprises light efficiency Data Analysis unit, microprocessor, width-modulation pulse unit, IPM (Intelligent Power Module) drive stabilization unit, IPM AC chopping unit and active filtering unit; Described width-modulation pulse unit is connected electrically in the output of microprocessor, the output of described microprocessor is connected electrically in the input that IPM drives stabilization unit, described IPM drives the input of the output electrical connection IPM AC chopping unit of stabilization unit, the input of described IPM AC chopping unit electrical connection active filtering unit, the output electrical connection LED illumination unit of described active filtering unit.
Described distributed light efficiency adjustment unit specifically comprises according to above-mentioned true light effect signal deal with data driving LED lamp group after receiving the true light effect signal deal with data after simulation modification from stage illumination, lighting central control unit:
After described light efficiency Data Analysis unit receives the signal from stage illumination, lighting central control unit, by Signal transmissions to microprocessor;
The light effect signal process data signal of sending from stage illumination, lighting central control unit is sent into microprocessor, microprocessor is according to light effect signal process data signal and the distributed node mark preset, if the distributed node mark in light effect signal process data signal identifies identical with the distributed node of setting, then take out the luminance signal data in light effect signal process data signal, draw the LED group brightness data needing adjustment, be sent to width-modulation pulse unit;
Width-modulation pulse unit adjusts the power cycles ratio of output pulse width modulation signal according to the luminance signal that microprocessor sends, and the pulse-width signal after adjustment is exported to IPM driving stabilization unit;
Described IPM drives stabilization unit according to above-mentioned pulse-width signal, produce from pulse-width signal frequency, phase place and power cycles than drive singal that is identical and the band negative bias voltage that amplitude is different, in the drive singal control IPM AC chopping unit of this band negative bias voltage, IPM's opens and turns off thus produce output voltage;
The output voltage of described IPM AC chopping unit is after active filtering unit filtering, draw to the power cycles of pulse-width signal than the output voltage be directly proportional, should output in LED group than the output voltage be directly proportional to the power cycles of pulse-width signal, namely realize the regulation and control to LED group.
According to the preferred embodiment of the present invention, as shown in Figure 3, described IPM drives stabilization unit to comprise Mixed LB films and drives silicon wafer, rectifier diode D2, voltage stabilizing rectifier diode D3, voltage stabilizing rectifier diode D4 and voltage stabilizing rectifier diode D5, the electric current of described Mixed LB films driving silicon wafer transfinites and protects the collector electrode of end and IPM to connect, described Mixed LB films drives series resistance R3 and rectifier diode D2 between the drive output of silicon wafer and the gate electrode of IPM, the positive pole of described rectifier diode D2 and resistance R3 connect, one end of resistance R4 is connected electrically in the negative pole of rectifier diode D2, the other end of resistance R4 is connected electrically in the drive output that Mixed LB films drives silicon wafer, described Mixed LB films drives series resistance R1 between the power end of silicon wafer and the emitter of IPM, series voltage stabilizing rectifier diode D3 and voltage stabilizing rectifier diode D4 between the gate electrode of described IPM and emitter, the negative electricity of described voltage stabilizing rectifier diode D3 is connected on the gate electrode of IPM, the positive pole of voltage stabilizing rectifier diode D3 and the positive pole electrical connection of voltage stabilizing rectifier diode D4, the negative electricity of described voltage stabilizing rectifier diode D4 is connected on the emitter of IPM, resistance R6 and electric capacity C2 is in parallel, and electric capacity R6 is connected electrically between the gate electrode of IPM and emitter.
According to the preferred embodiment of the present invention, as shown in Figure 4, described IPM AC chopping unit comprises insulated door binodal type power tube V1, insulated door binodal type power tube V2 and insulated door binodal type power tube V3, described insulated door binodal type power tube V1, insulated door binodal type power tube V2 is all connected rectifier diode D3 with between the collector and emitter of insulated door binodal type power tube V3, rectifier diode D6 and rectifier diode D7, described rectifier diode D3, the positive pole of rectifier diode D6 and rectifier diode D7 is connected electrically in insulated door binodal type power tube V1 respectively, on the emitter of insulated door binodal type power tube V2 and insulated door binodal type power tube V3, the collector electrode of described insulated door binodal type power tube V1 is connected with the negative pole of rectifier diode D2, the positive pole of described rectifier diode D2 is connected on the collector electrode of insulated door binodal type power tube V2, the emitter of described insulated door binodal type power tube V2 and the emitter series connection of insulated door binodal type power tube V3, the emitter of described insulated door binodal type power tube V1 and the positive pole series connection of rectifier diode D5, the negative pole of described rectifier diode D5 is connected on the collector electrode of insulated door binodal type power tube V2.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (4)
1. the stage lighting system regulate and control method based on technology of Internet of things, described system comprises stage illumination, lighting central control unit, CAN and organizes LED illumination unit more, often organize LED illumination unit and comprise the distributed AC servo system interface connected successively, distributed light efficiency adjustment unit and LED group, described stage illumination, lighting central control unit is connected by CAN organizes LED illumination unit more; Described regulate and control method specifically comprises:
S1, stage illumination, lighting central control unit generate the true light effect signal deal with data of LED illumination unit;
S2, described true light effect signal deal with data is sent to the distributed AC servo system interface of LED illumination unit by CAN;
S3, described distributed light efficiency adjustment unit receive the true light effect signal deal with data after simulation modification by distributed AC servo system interface from stage illumination, lighting central control unit, and according to above-mentioned true light effect signal deal with data driving LED lamp group.
2. a method of claim 1, described step S1 specifically comprises:
Stage lighting system emulation mapping graph set up by described stage illumination, lighting central control unit, described stage lighting system emulation mapping graph comprises many group LED illumination unit emulation mapping graphs, often organize LED illumination unit emulation mapping graph corresponding with group LED illumination unit of in stage lighting system, often organize LED illumination unit emulation mapping graph and comprise one group of emulation input processing parameter, described emulation input processing parameter comprises many group emulation light effect signal deal with data, each emulation light effect signal deal with data of LED illumination unit emulation mapping graph respectively with each true light effect signal deal with data one_to_one corresponding of LED illumination unit, described stage illumination, lighting central control unit is revised each emulation light effect signal deal with data according to stage performance illumination scheme, and revised data is converted to again the true light effect signal deal with data of LED illumination unit.
3. a method as claimed in claim 2, described distributed light efficiency adjustment unit specifically comprises light efficiency Data Analysis unit, microprocessor, width-modulation pulse unit, IPM driving stabilization unit, IPM AC chopping unit and active filtering unit; Described width-modulation pulse unit is connected electrically in the output of microprocessor, the output of described microprocessor is connected electrically in the input that IPM drives stabilization unit, described IPM drives the input of the output electrical connection IPM AC chopping unit of stabilization unit, the input of described IPM AC chopping unit electrical connection active filtering unit, the output electrical connection LED illumination unit of described active filtering unit.
4. a method as claimed in claim 3, described step S3 specifically comprises:
After described light efficiency Data Analysis unit receives the signal from stage illumination, lighting central control unit, by Signal transmissions to microprocessor;
The light effect signal process data signal of sending from stage illumination, lighting central control unit is sent into microprocessor, microprocessor is according to light effect signal process data signal and the distributed node mark preset, if the distributed node mark in light effect signal process data signal identifies identical with the distributed node of setting, then take out the luminance signal data in light effect signal process data signal, draw the LED group brightness data needing adjustment, be sent to width-modulation pulse unit;
Width-modulation pulse unit adjusts the power cycles ratio of output pulse width modulation signal according to the luminance signal that microprocessor sends, and the pulse-width signal after adjustment is exported to IPM driving stabilization unit;
Described IPM drives stabilization unit according to above-mentioned pulse-width signal, produce from pulse-width signal frequency, phase place and power cycles than drive singal that is identical and the band negative bias voltage that amplitude is different, in the drive singal control IPM AC chopping unit of this band negative bias voltage, IPM's opens and turns off thus produce output voltage;
The output voltage of described IPM AC chopping unit is after active filtering unit filtering, draw to the power cycles of pulse-width signal than the output voltage be directly proportional, should output in LED group than the output voltage be directly proportional to the power cycles of pulse-width signal, namely realize the regulation and control to LED group.
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