CN101702859B - Lamp cup type cold light lamp control system capable of adjusting light one by one - Google Patents
Lamp cup type cold light lamp control system capable of adjusting light one by one Download PDFInfo
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- CN101702859B CN101702859B CN2009102109309A CN200910210930A CN101702859B CN 101702859 B CN101702859 B CN 101702859B CN 2009102109309 A CN2009102109309 A CN 2009102109309A CN 200910210930 A CN200910210930 A CN 200910210930A CN 101702859 B CN101702859 B CN 101702859B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Abstract
The invention discloses a lamp cup type cold light lamp control system capable of adjusting light one by one, which comprises a singlechip, a filter, a reducing transformer, a full-wave rectification circuit, a zero detection circuit, a three terminal regulator and a plurality of lamp cup control circuits. Each lamp cup control circuit comprises an optoelectronic isolation drive controller, a silicon controlled power controller, a halogen lamp transformer and the like, and the singlechip is respectively connected with all the lamp cup control circuits. The control system adopts an independent control method and uses the singlechip and power electronic devices to conduct light adjustment control on each lamp cup in the lamp cup type clod light lamp so as to adjust light of each lamp cup one by one. In light adjustment, one lamp cup can be in light adjustment state, while others are in work or switched off, therefore, color temperature can keep unchanged basically and the different requirements of all stage performances on stage light can be met.
Description
Technical field
The present invention relates to a kind of stage lamp control system, relate in particular to a kind of Single-chip Controlling lamp-cup type cold light lamp that utilizes, achieve the stage lamp control system of light modulation one by one, belong to lighting technical field.
Background technology
In stage performance and movies-making, stage video display light fixture is being brought into play crucial effect.It helps to show the content of program, embodies author's creation intention, sets off artistic environment by contrast, and make spectators, photography (as) machine obtains correct color perception and exposure.At present, the light fixture that is used for stage video display illuminations has a variety of, like spotlight, floodlight, soft light, zooming imaging lamp etc.These light fixtures all have a common characteristic, and promptly light source has only one, need on same desk lamp, accomplish operations such as optically focused is regulated, astigmatism control, zoom.For this reason, independent Control Console need be set and control light modulation.
In number of patent application is 200510102315.8 Chinese invention patent application, a kind of device for regulating ligth of stage illumination lamp is provided.This device for regulating ligth of stage illumination lamp comprises signal input and processing section, control generation part and operating part; Signal input processing section comprises signal input unit and signal processing unit, and control generates part and comprises that microcomputer control unit and feedback unit constitute, and operating part comprises main IGBT unit, auxilliary IGBT unit, filter unit and controlled power unit; Control generates the output of the signal input part connection signal input processing section of part, the input that the control output end connects operating part, feedback input end connects feedback output end, feedback output end connection signal input and the processing section of operating part through feedback unit feedback input end.This device for regulating ligth of stage illumination lamp is applicable to all types of load light modulations and all types of load pressure regulation.
Lamp-cup type cold light lamp is a kind of stage video display light fixture of developing recently (can be further with reference to Chinese invention patent ZL200710177261.0 and utility model patent ZL200720002576.7, ZL200720002575.2).Its feature is that heat is radiate from Lamp cup bubble back; Thereby reduced the infrared radiation that the performance personnel receive, had that under equal illumination power consumption is little, saves energy, temperature are low, in light weight, long service life (for ten to 20 times of common tungsten halogen lamp) and advantage such as easy for installation.But the light source of existing lamp-cup type cold light lamp is in series by a plurality of cold emission illumination Lamp cups.The defective of this series system is that all Lamp cups must be lighted or extinguish simultaneously simultaneously.Because Lamp cup is connected in the circuit, as long as there is one to break down, just can not under 220V voltage, normally uses, thereby influence the brightness of whole stage lamp.In addition, adopt the stage video display light fixture of this kind lamp-cup type cold light lamp can not regulate the brightness of each Lamp cup one by one, can not fully satisfy the different needs of all kinds of stages performances light.
Summary of the invention
In view of the defective of above-mentioned prior art, technical problem to be solved by this invention is to provide a kind of lamp-cup type cold light lamp of light modulation one by one control system.This control system is independently controlled each Lamp cup in the lamp-cup type cold light lamp, achieves light modulation one by one.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of lamp-cup type cold light lamp of light modulation one by one control system is characterized in that:
The said lamp-cup type cold light lamp of light modulation one by one control system comprises single-chip microcomputer, filter, step-down transformer, full-wave rectifying circuit, zero-detection circuit, three terminal regulator and organizes the Lamp cup control circuit more; Wherein, said single-chip microcomputer connects respectively respectively organizes the Lamp cup control circuit, and each is organized the Lamp cup control circuit and respectively each Lamp cup in the lamp-cup type cold light lamp is independently carried out brightness adjustment control;
Outside AC power connects the input of filter, and the alternating current after said filter process is divided into two-way, and one the road supplies with the input of said step-down transformer, and the controllable silicon power controller in the Lamp cup control circuit is supplied with on another road;
The output of said step-down transformer connects the input of said full-wave rectifying circuit, behind said full-wave rectifying circuit, is divided into two-way, wherein one the road supply with said zero-detection circuit input, other one the road supplies with the input of said three terminal regulator;
The output of said zero-detection circuit connects the synchronous signal input end of single-chip microcomputer, and the output of said three terminal regulator connects the Vcc port of single-chip microcomputer.
Wherein, said Lamp cup control circuit comprises photoelectricity isolation drive controller, controllable silicon power controller, Halogen lamp LED transformer;
Said photoelectricity isolation drive controller directly connects the pulse width modulation output port on the said single-chip microcomputer; Said controllable silicon power controller connects said photoelectricity isolation drive controller; Said Halogen lamp LED transformer connects controlled Lamp cup on the one hand, connects said controllable silicon power controller on the other hand.
The said lamp-cup type cold light lamp of light modulation one by one control system also comprises the function display control panel, and said function display control panel connects the signal output port of said single-chip microcomputer.
The said lamp-cup type cold light lamp of light modulation one by one control system also comprises DMX512 signal output/input socket, and said DMX512 signal output/input socket connects the signal input port of said single-chip microcomputer.
Lamp-cup type cold light lamp control system provided by the present invention utilizes single-chip microcomputer and power electronic device that each Lamp cup in the lamp-cup type cold light lamp is carried out brightness adjustment control respectively; In the light modulation process, can have only a Lamp cup to be in dimming state; All the other Lamp cups all are operated in complete bright or off state, therefore can satisfy the different demands that all kinds of stage performances propose light of stage.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Fig. 1 is the electrical principle block diagram of lamp-cup type cold light lamp control system provided by the present invention;
Fig. 2 is in this lamp-cup type cold light lamp control system, each Lamp cup is carried out the Lamp cup control circuit sketch map of brightness adjustment control;
Conducting phase angle change sketch map when Fig. 3 (a)～Fig. 3 (c) carries out brightness adjustment control for Lamp cup control circuit shown in Figure 2.
Embodiment
As shown in Figure 1, lamp-cup type cold light lamp control system provided by the present invention is by single-chip microcomputer, function display control panel, DMX512 signal output/input socket, filter, step-down transformer, full-wave rectifying circuit, zero-detection circuit, three terminal regulator and organize the Lamp cup control circuit more and form.Wherein single-chip microcomputer can be selected a arbitrarily in 8051 series monolithics, like STC89C54RD+ etc.This selection is that persons skilled in the art can both realize easily, has not just given unnecessary details in detail at this.The function display control panel connects the P0 port that is used to realize signal output on the single-chip microcomputer, and DMX512 signal output/input socket connects the P3.0 port that is used to realize the signal input on the single-chip microcomputer.Outside interchange (AC) power supply connects the input of filter.220V alternating current after filter filtering is handled is divided into two-way, and one the road supplies with the input of step-down transformer, and the controllable silicon power controller in the Lamp cup control circuit is supplied with on another road.The output of step-down transformer connects the input of full-wave rectifying circuit.This step-down transformer is reduced to the 9V alternating current with the 220V alternating current, after full-wave rectifying circuit converts Rectified alternating current into, is divided into two-way, wherein one the road supply with zero-detection circuit input, other one the road supplies with the input of three terminal regulator.The output of zero-detection circuit connects the P3.2 port of single-chip microcomputer.This P3.2 port is the synchronous signal input end mouth.Three terminal regulator is the 5V direct current with the Rectified alternating current voltage stabilizing.The output of three terminal regulator connects the Vcc end of single-chip microcomputer, so that to single-chip microcomputer the stable power supply is provided.
In this lamp-cup type cold light lamp control system, can confirm the quantity of required Lamp cup control circuit according to the Lamp cup number in the lamp-cup type cold light lamp, a Lamp cup needs one group of Lamp cup control circuit to carry out brightness adjustment control.For example in the embodiment shown in fig. 1, comprise 18 Lamp cups in the lamp-cup type cold light lamp, therefore employed Lamp cup control circuit is 18 groups.Each organize the Lamp cup control circuit respectively with single-chip microcomputer on pulse-width modulation (PWM) output port DIM 1～18 be connected.
As shown in Figure 2, each group Lamp cup control circuit comprises assemblies such as photoelectricity isolation drive controller, controllable silicon power controller, Halogen lamp LED transformer, resistance, electric capacity.Wherein, the input of photoelectricity isolation drive controller Q is through the DIM port of resistance R 3 connection single-chip microcomputers, and output directly is connected with controllable silicon power controller T.This controllable silicon power controller T can be power electronic device such as GTO or IGBT.Be connected with the resistance capaciting absorpting circuit of forming by resistance R 1 and capacitor C at the two ends of controllable silicon power controller T, be used to protect controllable silicon not punctured by surge current or commutation spike.The Halogen lamp LED transformer connects the Lamp cup of controlled lamp-cup type cold light lamp on the one hand, connects the controllable silicon power controller on the other hand.Because the Lamp cup in the lamp-cup type cold light lamp basically all adopts the operating voltage of 12V, therefore outside input voltage must be through the step-down of Halogen lamp LED transformer.The Halogen lamp LED transformer is consistent with the power match of Lamp cup, and output 12V low-voltage is supplied with each Lamp cup.
The dimming function of above-mentioned Lamp cup control circuit is achieved in that the 220V AC power is input to step-down transformer through wave filter; Output 9V alternating current after the step-down transformer step-down; Be input to three terminal regulator through full-wave rectification, three terminal regulator output 5V direct current ensures the single-chip microcomputer operate as normal.The 9V alternating current produces synchronous square wave through zero-crossing detection circuit again through exporting direct current behind the full-wave rectifying circuit, inputs on the single-chip microcomputer P3.2 port as synchronous signal input end.Single-chip microcomputer finds starting point according to above-mentioned synchronous square wave, gives each photoelectricity isolation drive controller through the pulsewidth waveform that each DIM port output is different.The corresponding output pulse signal of photoelectricity isolation drive controller, silicon controlled is opened phase angle in the control controllable silicon power controller.Shown in Fig. 3 (a)～Fig. 3 (c), it has shown the position of synchronous square wave and has opened the relation between the phase angle.Obviously, the area that voltage waveform is cut is different, and the power output of controllable silicon power controller is also just different, thereby makes the power different (showing as the brightness difference) of Lamp cup.The controllable silicon power controller carries out cut according to pulse signal to be exported with power controlling, Lamp cup brightness is successively decreased from complete bright 100% keep Lamp cup minimum brightness 10% until switching to sine waveform, otherwise can be transferred to Lamp cup the brightest 100% by minimum brightness 10%.The complete bright situation of Lamp cup when being thyristor operating angle area maximum shown in Fig. 3 (a).In Fig. 3 (b) and Fig. 3 (c), the area of thyristor operating angle is from 80% until being reduced to 10%, and Lamp cup brightness diminishes gradually.This shows that the size of thyristor operating angle is the bright-dark degree of decision Lamp cup directly.
Mostly the Lamp cup of lamp-cup type cold light lamp is tungsten halogen lamp.Tungsten halogen lamp reaches the regulation colour temperature complete when bright, and its colour temperature can reduce (show as white and gradually become yellow) gradually in the light modulation process.Owing to have a plurality of pulse width modulation output port (DIM1～DIM 18) to control the light modulation of each Lamp cup in the lamp-cup type cold light lamp respectively on the single-chip microcomputer.Therefore do not disturb mutually separately during each Lamp cup light modulation.Other Lamp cups can still be in bright entirely or put out state entirely when a Lamp cup is in dimming state.This shows that this lamp-cup type cold light lamp control system has only a Lamp cup to be in dimming state and colour temperature is on the low side in the light modulation process, but other Lamp cups are operated in also on the colour temperature of regulation, so the colour temperature of whole lamp-cup type cold light lamp is unaffected basically.
Be provided with the function display control panel in this lamp-cup type cold light lamp control system.On the function display control panel, be provided with function key (F), increase key (▲),
the digital dimming platform that subtracts key control indicator light and the demonstration of LED numeral.Wherein function key is used to select control mode (control or manual automatically).When two kinds of control modes were switched, only need click function key can reach the switching purpose.Increase key (▲) and be used to make the brightness of Lamp cup to increase, subtract the brightness step-down that key
is used to make Lamp cup.The function display control panel returns to single-chip microcomputer through the P0 port of single-chip microcomputer with dimming control signal, so that realize the brightness adjustment control to each Lamp cup in the lamp-cup type cold light lamp.
This lamp-cup type cold light lamp control system can also control one by one the light on and off of single Lamp cup with the digital dimming platform.As previously mentioned, in control system, be provided with signal input socket and signal accessory power outlet based on the DMX512 agreement.DMX 512 agreements are universal signal control protocols of light industry digitizer.This agreement is unit with the frame, and every frame data are made up of synchronous head and 512 bytes, carries out data with the serial mode that meets EIA 485 standards and sends and receive.Signal input socket will be input to the P3.0 port of single-chip microcomputer from the control signal of digital dimming platform, adjust the output signal of Lamp cup control circuit by single-chip microcomputer, so that realize controlling one by one each Lamp cup brightness.Above-mentioned DMX512 signal accessory power outlet can be connected with the DMX512 signal input socket of another lamp-cup type cold light lamp, thereby makes many lamp-cup type cold light lamps realize cascade.In this case, through making the single Lamp cup in many lamp-cup type cold light lamps realize dimming function one by one once cover lamp-cup type cold light lamp control system.
The difference of digital dimming platform control mode and function display control panel control mode is that the function display control panel is installed on the lamp-cup type cold light lamp; Belong to local control light modulation; And the digital dimming platform utilizes the DMX signal to be connected on the lamp-cup type cold light lamp, belongs to the Long-distance Control light modulation.
More than tunable optical lamp-cup type cold light lamp control system of the present invention has been carried out detailed explanation.As far as one of ordinary skill in the art, any conspicuous change of under the prerequisite that does not deviate from connotation of the present invention, it being done all will constitute to infringement of patent right of the present invention, with corresponding legal responsibilities.
Claims (4)
1. light modulation lamp-cup type cold light lamp control system one by one is characterized in that:
The said lamp-cup type cold light lamp of light modulation one by one control system comprises single-chip microcomputer, filter, step-down transformer, full-wave rectifying circuit, zero-detection circuit, three terminal regulator and organizes the Lamp cup control circuit more; Wherein, said single-chip microcomputer connects respectively respectively organizes the Lamp cup control circuit, and each is organized the Lamp cup control circuit and respectively each Lamp cup in the lamp-cup type cold light lamp is independently carried out brightness adjustment control;
Outside AC power connects the input of filter, and the alternating current after said filter process is divided into two-way, and one the road supplies with the input of said step-down transformer, and the controllable silicon power controller in the Lamp cup control circuit is supplied with on another road;
The output of said step-down transformer connects the input of said full-wave rectifying circuit, behind said full-wave rectifying circuit, is divided into two-way, wherein one the road supply with said zero-detection circuit input, other one the road supplies with the input of said three terminal regulator;
The output of said zero-detection circuit connects the synchronous signal input end of single-chip microcomputer, and the output of said three terminal regulator connects the Vcc port of single-chip microcomputer.
2. the lamp-cup type cold light lamp of light modulation one by one control system as claimed in claim 1 is characterized in that:
Said Lamp cup control circuit comprises photoelectricity isolation drive controller, controllable silicon power controller, Halogen lamp LED transformer; Wherein,
Said photoelectricity isolation drive controller directly connects the pulse width modulation output port on the said single-chip microcomputer; Said controllable silicon power controller connects said photoelectricity isolation drive controller; Said Halogen lamp LED transformer connects controlled Lamp cup on the one hand, connects said controllable silicon power controller on the other hand.
3. the lamp-cup type cold light lamp of light modulation one by one control system as claimed in claim 1 is characterized in that:
The said lamp-cup type cold light lamp of light modulation one by one control system also comprises the function display control panel, and said function display control panel connects the signal output port of said single-chip microcomputer.
4. the lamp-cup type cold light lamp of light modulation one by one control system as claimed in claim 1 is characterized in that:
The said lamp-cup type cold light lamp of light modulation one by one control system also comprises DMX512 signal output/input socket, and said DMX512 signal output/input socket connects the signal input port of said single-chip microcomputer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102109309A CN101702859B (en) | 2009-11-12 | 2009-11-12 | Lamp cup type cold light lamp control system capable of adjusting light one by one |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102109309A CN101702859B (en) | 2009-11-12 | 2009-11-12 | Lamp cup type cold light lamp control system capable of adjusting light one by one |
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| CN101702859A CN101702859A (en) | 2010-05-05 |
| CN101702859B true CN101702859B (en) | 2012-11-28 |
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| CN107124797A (en) * | 2017-06-20 | 2017-09-01 | 漳州市东方智能仪表有限公司 | A kind of electronic remote light adjusting circuit for controlling circuit to be separated with power circuit |
| CN110087358B (en) * | 2018-01-25 | 2021-11-02 | 深圳市海洋王铁路照明技术有限公司 | Illumination control system and lamp |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620456Y (en) * | 2003-04-24 | 2004-06-09 | 华南师范大学 | Storage type concentration lamplight controller |
| CN201533439U (en) * | 2009-11-12 | 2010-07-21 | 北京星光影视设备科技股份有限公司 | Gradually dimmable lamp cup type cold light lamp control system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620456Y (en) * | 2003-04-24 | 2004-06-09 | 华南师范大学 | Storage type concentration lamplight controller |
| CN201533439U (en) * | 2009-11-12 | 2010-07-21 | 北京星光影视设备科技股份有限公司 | Gradually dimmable lamp cup type cold light lamp control system |
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