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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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 12
- 150000002367 halogens Chemical class 0.000 claims abstract description 12
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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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 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 invention relates to a stage lamp control system, in particular to a stage lamp control system which controls a lamp cup type cold light lamp by utilizing a single chip microcomputer to realize dimming one by one, and belongs to the technical field of illumination.
Background
In stage performance and movie shooting, the stage movie lamp plays an important role. It helps to represent the content of the program, to embody the creative intentions of the author, to set off the artistic atmosphere, and to get the correct color sense and exposure for the audience and the camera. At present, there are many lamps for stage movie and television lighting, such as spotlights, floodlights, soft lights, zoom imaging lamps, etc. These lamps all have a common characteristic, and the light source has only one, needs to accomplish operations such as spotlight adjustment, astigmatism control, zoom on same desk lamp. For this reason, a separate dimming stand is required to control dimming.
In the chinese invention patent application with patent application No. 200510102315.8, a stage lighting adjusting device is provided. The stage lighting adjusting device comprises a signal input and processing part, a control generating part and an executing part; the signal input processing part comprises a signal input unit and a signal processing unit, the control generation part comprises a microcomputer control unit and a feedback unit, and the execution part comprises a main IGBT unit, an auxiliary IGBT unit, a filtering unit and a controlled power unit; the signal input end of the control generation part is connected with the output end of the signal input processing part, the control output end is connected with the input end of the execution part, the feedback input end is connected with the feedback output end of the execution part through the feedback unit, and the feedback output end is connected with the feedback input end of the signal input and processing part. The stage lighting adjusting device is suitable for dimming all types of loads and adjusting all types of loads.
The lamp cup type cold light lamp is a newly developed stage movie and television lamp (refer to chinese patent ZL200710177261.0 and utility model patent ZL200720002576.7, ZL 200720002575.2). The lamp cup is characterized in that heat is radiated from the back of the lamp cup bulb, so that infrared radiation to performance personnel is reduced, and the lamp cup has the advantages of low power consumption, electric energy saving, low temperature, light weight, long service life (ten to twenty times of that of a common halogen tungsten lamp), convenience in installation and the like under the same illumination. However, the light source of the conventional lamp cup type cold light lamp is formed by connecting a plurality of cold reflection illumination lamp cups in series. A disadvantage of this series arrangement is that all lamp cups have to be lit up simultaneously or extinguished simultaneously. As the lamp cups are connected in the circuit in series, if one lamp cup fails, the lamp cup can not be normally used under the voltage of 220V, so that the brightness of the whole stage lamp is influenced. In addition, the stage movie and television lamps adopting the lamp cup type cold light lamp cannot adjust the brightness of each lamp cup one by one, and cannot fully meet different requirements of various stage performances on light.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides a cup-type luminescent light control system with individually adjustable lamps. The control system controls each lamp cup in the lamp cup type cold light lamp independently, so that the dimming can be realized one by one.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a can adjust luminance lamp cup type cold light lamp control system one by one which characterized in that:
the system comprises a singlechip, a filter, a step-down transformer, a full-wave rectifying circuit, a zero detection circuit, a three-terminal voltage stabilizer and a plurality of groups of lamp cup control circuits; the single chip microcomputer is respectively connected with each group of lamp cup control circuits, and each group of lamp cup control circuits independently perform dimming control on each lamp cup in the lamp cup type cold light lamp;
an external alternating current power supply is connected with the input end of the filter, alternating current processed by the filter is divided into two paths, one path of alternating current is supplied to the input end of the step-down transformer, and the other path of alternating current is supplied to a silicon controlled rectifier power controller in the lamp cup control circuit;
the output end of the step-down transformer is connected with the input end of the full-wave rectification circuit and is divided into two paths after passing through the full-wave rectification circuit, wherein one path of the two paths of;
the output end of the zero point detection circuit is connected with the synchronous signal input end of the single chip microcomputer, and the output end of the three-terminal voltage stabilizer is connected with the Vcc port of the single chip microcomputer.
The lamp cup control circuit comprises a photoelectric isolation driving controller, a silicon controlled power controller and a halogen lamp transformer;
the photoelectric isolation driving controller is directly connected with a pulse width modulation output port on the singlechip, the silicon controlled power controller is connected with the photoelectric isolation driving controller, and the halogen lamp transformer is connected with a controlled lamp cup on one hand and the silicon controlled power controller on the other hand.
The cup-shaped cold light lamp control system capable of dimming one by one further comprises a function display control panel, and the function display control panel is connected with a signal output port of the single chip microcomputer.
The system for controlling the lamp cup type cold light lamps capable of dimming one by one further comprises a DMX512 signal output/input socket, and the DMX512 signal output/input socket is connected with a signal input port of the single chip microcomputer.
The lamp cup type cold light lamp control system provided by the invention utilizes the single chip microcomputer and the power electronic device to respectively carry out dimming control on each lamp cup in the lamp cup type cold light lamp, only one lamp cup can be in a dimming state in the dimming process, and the other lamp cups can work in a full-bright or turn-off state, so that different requirements of various stage performances on stage light can be met.
Drawings
The invention is further described with reference to the following figures and detailed description.
FIG. 1 is an electrical schematic block diagram of a lamp-cup type cold-light lamp control system provided by the present invention;
FIG. 2 is a schematic diagram of a lamp cup control circuit for controlling the dimming of each lamp cup in the present lamp cup type luminescence lamp control system;
fig. 3(a) -3 (c) are schematic diagrams of the conduction phase angle variation of the lamp cup control circuit shown in fig. 2 during dimming control.
Detailed Description
As shown in fig. 1, the lamp cup type cold light lamp control system provided by the present invention is composed of a single chip microcomputer, a functional display control panel, a DMX512 signal output/input socket, a filter, a step-down transformer, a full-wave rectification circuit, a zero detection circuit, a three-terminal regulator, and a plurality of sets of lamp cup control circuits. The singlechip can be any one of 8051 series singlechips, such as STC89C54RD +. This option is readily available to those skilled in the art and will not be described in detail herein. The function display control panel is connected with a P0 port for realizing signal output on the singlechip, and the DMX512 signal output/input socket is connected with a P3.0 port for realizing signal input on the singlechip. An external Alternating Current (AC) power supply is connected to the input of the filter. The 220V alternating current after the filtering processing of the filter is divided into two paths, one path is supplied to the input end of the step-down transformer, and the other path is supplied to a silicon controlled power controller in the lamp cup control circuit. The output end of the step-down transformer is connected with the input end of the full-wave rectification circuit. The step-down transformer reduces 220V alternating current into 9V alternating current, and the alternating current is divided into two paths after being converted into pulsating direct current by the full-wave rectification circuit, wherein one path is supplied to the input end of the zero detection circuit, and the other path is supplied to the input end of the three-terminal voltage stabilizer. The output end of the zero point detection circuit is connected with the P3.2 port of the single chip microcomputer. The P3.2 port is a synchronization signal input port. The three-terminal voltage stabilizer stabilizes the pulsating direct current into 5V direct current. The output end of the three-terminal voltage stabilizer is connected with the Vcc end of the singlechip so as to provide stable power supply for the singlechip.
In the lamp cup type cold light lamp control system, the number of the required lamp cup control circuits can be determined according to the number of the lamp cups in the lamp cup type cold light lamp, and one lamp cup needs one group of lamp cup control circuits to carry out dimming control. For example, in the embodiment shown in fig. 1, 18 lamp cups are included in the lamp cup type cold light lamp, and thus 18 sets of lamp cup control circuits are used. Each group of lamp cup control circuits are respectively connected with Pulse Width Modulation (PWM) output ports DIM 1-18 on the single chip microcomputer.
As shown in fig. 2, each set of lamp cup control circuit includes a photo-electric isolation driving controller, a silicon controlled power controller, a halogen lamp transformer, a resistor, a capacitor, and so on. The input end of the photoelectric isolation driving controller Q is connected with a DIM port of the single chip microcomputer through a resistor R3, and the output end of the photoelectric isolation driving controller Q is directly connected with the silicon controlled power controller T. The thyristor power controller T may be a GTO or IGBT power electronic device. And a resistance-capacitance absorption circuit consisting of a resistor R1 and a capacitor C is connected at two ends of the thyristor power controller T and is used for protecting the thyristor from being broken down by surge current or commutation overvoltage. The halogen lamp transformer is connected with the lamp cup of the controlled lamp cup type cold light lamp on one hand and is connected with the silicon controlled rectifier power controller on the other hand. Since the lamp cup in the cup type cold light lamp basically adopts the operating voltage of 12V, the external input voltage must be reduced by the halogen lamp transformer. The power of the halogen lamp transformer is matched with that of the lamp cup, and 12V low voltage is output to be supplied to each lamp cup.
The dimming function of the lamp cup control circuit is realized as follows: the 220V alternating current power supply is input to the step-down transformer through the filter, 9V alternating current is output after the step-down transformer steps down, the three-terminal regulator is input through full wave rectification, 5V direct current is output by the three-terminal regulator, and normal work of the single chip microcomputer is guaranteed. The 9V alternating current outputs direct current after passing through the full-wave rectification circuit, and then passes through the zero detection circuit to generate synchronous square waves which are input to a P3.2 port serving as a synchronous signal input end on the single chip microcomputer. The single chip microcomputer finds a starting point according to the synchronous square waves, and different pulse width waveforms are output to the photoelectric isolation driving controllers through the DIM ports. The photoelectric isolation driving controller correspondingly outputs pulse signals to control the conduction phase angle of the silicon controlled in the silicon controlled power controller. As shown in fig. 3(a) -3 (c), the relationship between the position of the synchronous square wave and the conduction phase angle is shown. It is clear that the output power of the scr power controller varies with the area of the voltage waveform being cut, and hence the power of the lamp cup varies (appearing as different brightness). The silicon controlled power controller performs phase cutting according to the pulse signal to control power output, so that the brightness of the lamp cup is reduced from full brightness of 100% until the brightness is cut to a sine wave waveform to maintain the minimum brightness of the lamp cup to be 10%, otherwise, the brightness can be adjusted from the minimum brightness of 10% to the maximum brightness of the lamp cup to be 100%. Fig. 3(a) shows the situation when the conduction angle area of the thyristor is maximum, i.e. the lamp cup is fully bright. In fig. 3(b) and 3(c), the area of the conduction angle of the thyristor is reduced from 80% to 10%, and the brightness of the lamp cup gradually decreases. Therefore, the brightness of the lamp cup is directly determined by the conduction angle of the controllable silicon.
Most of lamp cups of the lamp cup type cold light lamp are halogen tungsten lamps. The halogen tungsten lamp reaches a specified color temperature when the lamp is fully on, and the color temperature of the lamp gradually decreases (as white gradually changes into yellow) in the dimming process. Because the singlechip is provided with a plurality of pulse width modulation output ports (DIM 1-DIM 18) for respectively controlling the dimming of each lamp cup in the lamp cup type cold light lamp. Therefore, the light cups do not interfere with each other when dimming. When one lamp cup is in the dimming state, the other lamp cups can still be in the full-on or full-off state. Therefore, in the dimming process of the lamp cup type cold light lamp control system, only one lamp cup is in the dimming state and the color temperature is low, but other lamp cups work on the specified color temperature, so the color temperature of the whole lamp cup type cold light lamp is basically not influenced.
The lamp cup type cold light lamp control system is provided with a function display control panel. The function display control panel is provided with a function key (F), an increase key (a-solidup), and a decrease key
The digital dimming table controls the indicator light and the LED digital display. Wherein the function keys are used to select a control mode (automatic control or manual). When the two control modes are switched, the switching purpose can be achieved only by pressing the function key. Increasing the number of keys (a-solidup) for increasing the brightness of the lamp cup, and decreasing the number of keys
For making the brightness of the lamp cup low. The function display control panel returns the dimming control signal to the singlechip through the P0 port of the singlechip so as to realize the dimming control of each lamp cup in the lamp cup type cold light lamp.
The lamp cup type cold light lamp control system can also control the on and off of the single lamp cup one by using the digital dimming table. As described above, the control system is provided with the signal input socket and the signal output socket based on the DMX512 protocol. The DMX512 protocol is a general signal control protocol for light industry digitizing equipment. The protocol takes a frame as a unit, each frame of data consists of a synchronization head and 512 bytes, and data transmission and reception are carried out in a serial mode conforming to the EIA 485 standard. The signal input socket inputs the control signal from the digital dimming table to the P3.0 port of the singlechip, and the singlechip adjusts the output signal of the lamp cup control circuit so as to realize the control of the brightness of each lamp cup one by one. The DMX512 signal output socket can be connected with a DMX512 signal input socket of another desk lamp cup type cold light lamp, so that a plurality of lamp cup type cold light lamps are cascaded. Under the condition, the single lamp cup in the plurality of lamp cup type cold light lamps can realize the function of dimming one by one through one set of lamp cup type cold light lamp control system.
The difference between the control mode of the digital dimming platform and the control mode of the function display control panel is that the function display control panel is installed on the lamp cup type cold light lamp and belongs to local control dimming, and the digital dimming platform is connected to the lamp cup type cold light lamp by utilizing a DMX signal and belongs to remote control dimming.
The above describes the adjustable light cup type cold light lamp control system of the present invention in detail. Any obvious modifications to the invention, which would occur to those skilled in the art, without departing from the true spirit of the invention, would constitute a violation of the patent rights of the invention and would carry a corresponding legal responsibility.
Claims (4)
1. The utility model provides a can adjust luminance lamp cup type cold light lamp control system one by one which characterized in that:
the system comprises a singlechip, a filter, a step-down transformer, a full-wave rectifying circuit, a zero detection circuit, a three-terminal voltage stabilizer and a plurality of groups of lamp cup control circuits; the single chip microcomputer is respectively connected with each group of lamp cup control circuits, and each group of lamp cup control circuits independently perform dimming control on each lamp cup in the lamp cup type cold light lamp;
an external alternating current power supply is connected with the input end of the filter, alternating current processed by the filter is divided into two paths, one path of alternating current is supplied to the input end of the step-down transformer, and the other path of alternating current is supplied to a silicon controlled rectifier power controller in the lamp cup control circuit;
the output end of the step-down transformer is connected with the input end of the full-wave rectification circuit and is divided into two paths after passing through the full-wave rectification circuit, wherein one path of the two paths of;
the output end of the zero point detection circuit is connected with the synchronous signal input end of the single chip microcomputer, and the output end of the three-terminal voltage stabilizer is connected with the Vcc port of the single chip microcomputer.
2. A dimmable lamp cup type cold light lamp control system as claimed in claim 1, wherein:
the lamp cup control circuit comprises a photoelectric isolation driving controller, a silicon controlled power controller and a halogen lamp transformer; wherein,
the photoelectric isolation driving controller is directly connected with a pulse width modulation output port on the singlechip, the silicon controlled power controller is connected with the photoelectric isolation driving controller, and the halogen lamp transformer is connected with a controlled lamp cup on one hand and the silicon controlled power controller on the other hand.
3. A dimmable lamp cup type cold light lamp control system as claimed in claim 1, wherein:
the cup-shaped cold light lamp control system capable of dimming one by one further comprises a function display control panel, and the function display control panel is connected with a signal output port of the single chip microcomputer.
4. A dimmable lamp cup type cold light lamp control system as claimed in claim 1, wherein:
the system for controlling the lamp cup type cold light lamps capable of dimming one by one further comprises a DMX512 signal output/input socket, and the DMX512 signal output/input socket is connected with a signal input port of the single chip microcomputer.
Priority Applications (1)
| 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 |
|---|---|---|---|
| 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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