CN201533439U - Gradually dimmable lamp cup type cold light lamp control system - Google Patents
Gradually dimmable lamp cup type cold light lamp control system Download PDFInfo
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- CN201533439U CN201533439U CN2009202789399U CN200920278939U CN201533439U CN 201533439 U CN201533439 U CN 201533439U CN 2009202789399 U CN2009202789399 U CN 2009202789399U CN 200920278939 U CN200920278939 U CN 200920278939U CN 201533439 U CN201533439 U CN 201533439U
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- cold light
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The utility model discloses a gradually dimmable lamp cup type cold light lamp control system, which comprises a single chip microcomputer, a filter, a step-down transformer, a full-wave rectifier circuit, a zero-crossing detection circuit, a three-terminal regulator and a plurality of groups of lamp cup control circuits. Each lamp cup control circuit comprises an optoelectronic isolation driving controller, a thyristor power controller, a halogen lamp transformer and the like. The single chip microcomputer is respectively connected with each group of lamp cup control circuits. The control system adopts an independent control way, and controls dimming of every lamp cup in the lamp cup type cold light lamp by using the single chip microcomputer and power electronic devices, thereby realizing gradually dimming of the lamp cups for the lamp cup type cold light lamp. The lamp control system allows just one lamp cup in dimming state during dimming, and other lamp cups all working under on or off states, thereby substantially keeping color temperature to be unchanged, and being capable of meeting different requirements of stage lighting for stage presentation.
Description
Technical field
The utility model relates to a kind of stage lamp control system, relates in particular to a kind of Single-chip Controlling lamp-cup type cold light lamp that utilizes, and achieves the stage lamp control system of light modulation one by one, belongs 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, as spotlight, floodlight, soft light, zooming imaging lamp etc.These light fixtures all have a common characteristic, and promptly light source has only one, need finish operations such as optically focused is regulated, astigmatism control, zoom on same desk lamp.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, provide a kind of device for regulating ligth of stage illumination lamp.This device for regulating ligth of stage illumination lamp comprises signal input and processing section, control generating portion and operating part; Signal input processing section comprises signal input unit and signal processing unit, and the control generating portion 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; The signal input part of control generating portion connects the output of signal input processing section, the input that the control output end connects operating part, feedback input end connects signal input and processing section by feedback output end, the feedback output end of feedback unit connection operating part 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 further with reference to Chinese invention patent ZL 200710177261.0 and utility model patent ZL 200720002576.7, ZL 200720002575.2).Its feature is that heat is radiate from Lamp cup bubble back, thereby reduced the infrared radiation that the performance personnel are subjected to, 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 normally use under 220V voltage, thus 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 in the utility model is to provide a kind of lamp-cup type cold light lamp control system of light modulation one by one.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 utility model adopts following technical scheme:
A kind of lamp-cup type cold light lamp control system of light modulation one by one is characterized in that:
The lamp-cup type cold light lamp control system of described light modulation one by one 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, described 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 described filter process is divided into two-way, and one the road supplies with the input of described step-down transformer, and the controllable silicon power controller in the Lamp cup control circuit is supplied with on another road;
The output of described step-down transformer connects the input of described full-wave rectifying circuit, is divided into two-way behind described full-wave rectifying circuit, one road input of supplying with described zero-detection circuit wherein, and other one the road supplies with the input of described three terminal regulator;
The output of described zero-detection circuit connects the synchronous signal input end of single-chip microcomputer, and described three terminal regulator connects the Vcc port of single-chip microcomputer.
Wherein, described Lamp cup control circuit comprises photoelectricity isolation drive controller, controllable silicon power controller, Halogen lamp LED transformer;
Described photoelectricity isolation drive controller directly connects the pulse width modulation output port on the described single-chip microcomputer, described controllable silicon power controller connects described photoelectricity isolation drive controller, described Halogen lamp LED transformer connects controlled Lamp cup on the one hand, connects described controllable silicon power controller on the other hand.
The lamp-cup type cold light lamp control system of described light modulation one by one also comprises the function display control panel, and described function display control panel connects the signal output port of described single-chip microcomputer.
The lamp-cup type cold light lamp control system of described light modulation one by one also comprises DMX512 signal output/input socket, and described DMX512 signal output/input socket connects the signal input port of described single-chip microcomputer.
Lamp-cup type cold light lamp control system provided by the utility model 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 the drawings and specific embodiments the utility model is further described.
Fig. 1 is the electrical principle block diagram of lamp-cup type cold light lamp control system provided by the utility model;
Fig. 2 is in this lamp-cup type cold light lamp control system, each Lamp cup is carried out the Lamp cup control circuit schematic diagram of brightness adjustment control;
Conducting phase angle change schematic diagram 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 utility model 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, as 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, is divided into two-way after full-wave rectifying circuit is converted to Rectified alternating current, one road input of supplying with zero-detection circuit wherein, and 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.It connects the Vcc end of single-chip microcomputer, so that provide the stable power supply to single-chip microcomputer.
In this lamp-cup type cold light lamp control system, can determine 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 is organized the Lamp cup control circuit and is connected with pulse-width modulation (PWM) output port DIM 1～18 on the single-chip microcomputer respectively.
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 by 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 substantially 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 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 by 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 relation between the phase angle.Obviously, the area difference that voltage waveform is cut, the power output of controllable silicon power controller are also just different, thereby make the power difference (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.
The Lamp cup of lamp-cup type cold light lamp mostly 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.Because a plurality of pulse width modulation output port are arranged on the single-chip microcomputer, and (DIM1～DIM18) controls the light modulation of each Lamp cup in the lamp-cup type cold light lamp respectively.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 substantially.
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 (▲), subtract key
, digital dimming platform control indicator light and LED numeral show.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 key
Be used to make the brightness step-down of Lamp cup.The function display control panel returns to single-chip microcomputer by 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 be controlled the light on and off of single Lamp cup one by one 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, by 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 described in the utility model is had been described in detail.For one of ordinary skill in the art, any conspicuous change of under the prerequisite that does not deviate from the utility model connotation it being done all will constitute to the utility model infringement of patent right, with corresponding legal responsibilities.
Claims (4)
1. lamp-cup type cold light lamp control system of light modulation one by one is characterized in that:
The lamp-cup type cold light lamp control system of described light modulation one by one 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, described 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 described filter process is divided into two-way, and one the road supplies with the input of described step-down transformer, and the controllable silicon power controller in the Lamp cup control circuit is supplied with on another road;
The output of described step-down transformer connects the input of described full-wave rectifying circuit, is divided into two-way behind described full-wave rectifying circuit, one road input of supplying with described zero-detection circuit wherein, and other one the road supplies with the input of described three terminal regulator;
The output of described zero-detection circuit connects the synchronous signal input end of single-chip microcomputer, and described three terminal regulator connects the Vcc port of single-chip microcomputer.
2. the lamp-cup type cold light lamp control system of light modulation one by one as claimed in claim 1 is characterized in that:
Described Lamp cup control circuit comprises photoelectricity isolation drive controller, controllable silicon power controller, Halogen lamp LED transformer; Wherein,
Described photoelectricity isolation drive controller directly connects the pulse width modulation output port on the described single-chip microcomputer, described controllable silicon power controller connects described photoelectricity isolation drive controller, described Halogen lamp LED transformer connects controlled Lamp cup on the one hand, connects described controllable silicon power controller on the other hand.
3. the lamp-cup type cold light lamp control system of light modulation one by one as claimed in claim 1 is characterized in that:
The lamp-cup type cold light lamp control system of described light modulation one by one also comprises the function display control panel, and described function display control panel connects the signal output port of described single-chip microcomputer.
4. the lamp-cup type cold light lamp control system of light modulation one by one as claimed in claim 1 is characterized in that:
The lamp-cup type cold light lamp control system of described light modulation one by one also comprises DMX512 signal output/input socket, and described DMX512 signal output/input socket connects the signal input port of described single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202789399U CN201533439U (en) | 2009-11-12 | 2009-11-12 | Gradually dimmable lamp cup type cold light lamp control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202789399U CN201533439U (en) | 2009-11-12 | 2009-11-12 | Gradually dimmable lamp cup type cold light lamp control system |
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| Publication Number | Publication Date |
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| CN201533439U true CN201533439U (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202789399U Expired - Fee Related CN201533439U (en) | 2009-11-12 | 2009-11-12 | Gradually dimmable lamp cup type cold light lamp control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702859B (en) * | 2009-11-12 | 2012-11-28 | 北京星光影视设备科技股份有限公司 | Lamp cup type cold light lamp control system capable of adjusting light one by one |
| CN103002620A (en) * | 2012-08-22 | 2013-03-27 | 苏州金科信汇光电科技有限公司 | LED daylight lamp with high-frequency self-vibration electronic transformer |
| 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 |
-
2009
- 2009-11-12 CN CN2009202789399U patent/CN201533439U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702859B (en) * | 2009-11-12 | 2012-11-28 | 北京星光影视设备科技股份有限公司 | Lamp cup type cold light lamp control system capable of adjusting light one by one |
| CN103002620A (en) * | 2012-08-22 | 2013-03-27 | 苏州金科信汇光电科技有限公司 | LED daylight lamp with high-frequency self-vibration electronic transformer |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20171112 |