CN103547018A - Lamplight control system needless of address setting - Google Patents
Lamplight control system needless of address setting Download PDFInfo
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- CN103547018A CN103547018A CN201210242886.1A CN201210242886A CN103547018A CN 103547018 A CN103547018 A CN 103547018A CN 201210242886 A CN201210242886 A CN 201210242886A CN 103547018 A CN103547018 A CN 103547018A
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- interface circuit
- dmx
- control command
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- control system
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
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Abstract
The invention relates to a lamplight control system, in particular to a lamplight control system applying DMX-512. The lamplight control system comprises a DMX controller, a cable and a plurality of lamps, the DMX controller and the lamps are serially connected by the cable, an automatic DMX channel data acquiring module connected with the cable is arranged at a control signal end of the lamps and comprises an MCU (microprogrammed control unit), a first interface circuit and a second interface circuit, and the first interface circuit and the second interface circuit are connected with the MCU respectively and connected with the cable respectively. By the lamplight control system, setting an address for each lamp is not needed, and regeneration of control instructions for each lamp is not restrained by length of the transmission cable.
Description
Technical field
The present invention relates to a kind of lamp light control system, relate in particular to the lamp light control system of a kind of DMX-512 of application.
Background technology
Lamp light control system is one of indispensable visual plant of modern song and dance platform, for changing different lightnesses and the different incident points of each colored lights, is that stage performance is manufactured different atmosphere and sight, increases expression effect.
DMX-512, since 1986 formulate, has become the most normal accepted standard interface of lighting industry.Generally speaking, a set of DMX-512 lamp light control system comprises a DMX controller, a cable and some light fixtures.Wherein, cable is used for connecting DMX controller and light fixture, and for transmitting the control signal of DMX controller.The control command of DMX controller is adjusted color, switch, the brightness of each light fixture.In the lamp light control system of prior art application DMX-512, each light fixture has a particular address, with the corresponding relation between the light fixture of identifying control command and being controlled.For example, the disclosed a kind of digital modulation Optimizing Control System with video signal input of CN1571611 Chinese patent, and the light of No. CN101031173 disclosed a kind of long-range setting DMX address and control system thereof.
Each light fixture need to arrange different addresses, to project installation, makes troubles, and the setting of light fixture address and memory hardware have increased the cost of light fixture.In DMX-512 bus, light fixture is too much, or during hypertelorism, relay amplifier need to be set control signal is amplified.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of without the lamp light control system of DMX address is set for light fixture.
To achieve these goals, the invention provides following technical scheme:
A kind of lamp light control system without address is set of the present invention, comprises a DMX controller, a cable and some light fixtures, and cable is by DMX controller and light fixture serial connection.The control signal end of described light fixture is provided with the automatic acquisition DMX channel data module being connected with cable.Described automatic acquisition DMX channel data module, comprises MCU control unit and the first interface circuit being connected with MCU control unit respectively and the second interface circuit, and first interface circuit is connected with described cable respectively with the second interface circuit.
Preferably, after the initialization of described MCU control unit, identification respectively first interface circuit and the second interface circuit are set to input or output.MCU control unit receives the control signal of DMX controller transmission from input, carry out wherein one group of control command and regulate the light fixture that this passage is corresponding.MCU control unit is lived again other group control commands of control signal and transfers to the automatic acquisition DMX channel data module of the light fixture of next passage by output.
Preferably, after the initialization of described MCU control unit, total interruption closed, and first interface circuit is set to input, and the second interface circuit is set to output, always breaks.If first interface circuit receives valid data, complete input/output terminal setting; Otherwise total interruption closed, the second interface circuit is set to input, and first interface circuit is set to output, always breaks, and the second interface circuit receives valid data, completes input/output terminal setting.Exclusive method by logic arranges input and output, must arrange successfully accurately.
Preferably, when MCU control unit is carried out wherein one group of control command and is regulated light fixture corresponding to this passage, DMX is received and prepares flag set, then the control command of this passage is stored in receiving register, the control command that DMX finishes receiving rear this passage of execution regulates the light fixture that this passage is corresponding.
Preferably, when MCU control unit is lived again control command, other group control commands of first distinguishing the control command of this passage and need to live again with DMX opening flag, if live again and export from output as other group control commands; If whether again differentiate the control command of this passage without DMX opening flag, carry out the control command of this passage, or live again and export as other group control commands.
Preferably, the whether method of the control command of this passage of differentiating is that the statistics numbers of the identification code of this control command and counter is made comparisons, if the control command that this control command is statistics numbers should be carried out belongs to the control command of this passage.The control command of the every execution one-level of lamp light control system light fixture just adds 1 by counter, when executing the statistics numbers of N level light fixture hour counter, is N, if the identification code of this control command is N+1, belongs to the control command of this passage.
Preferably, described control command is the DMX data of 9.
Preferably, described first interface circuit and the second interface circuit are 485 serial port circuits.
The light fixture serial connection that lamp light control system of the present invention is every grade, the automatic acquisition DMX channel data module of every grade of light fixture comprises two interface circuits (first interface circuit and the second interface circuit), one of them interface circuit is the input of control command, the output that another one interface circuit is control command.Therefore, every grade of light fixture is all lived again to control command, and the stable voltage that control command obtains in transmitting procedure can't be subject to the impact of transmission yarn length.
The control signal input of every grade of light fixture of lamp light control system of the present invention and output be by MCU control unit Lookup protocol, uses very conveniently, and the joint of cable can use unified connector arbitrarily to peg graft.
Every grade of light fixture of lamp light control system of the present invention catch sequence in the control command in prostatitis the control command as this passage, and by the output of living again of other group control commands.Therefore without address being set for every grade of light fixture, reduced the manufacturing cost of light fixture, for project installation is brought great convenience.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of automatic acquisition DMX channel data module of the present invention;
Fig. 2 is the workflow diagram of automatic acquisition DMX channel data module of the present invention;
Fig. 3 is the workflow diagram that input of the present invention, output arrange;
The workflow diagram that Fig. 4 is control command reception & disposal of the present invention, live again.
Wherein, Y represents that yes(is), N represents that no(is no).
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, technical solution of the present invention is further described, is not considered as limiting the scope of the invention:
A kind of lamp light control system without address is set of the present invention, comprises a DMX controller, a cable and some light fixtures, and cable is by DMX controller and light fixture serial connection.The control signal end of described light fixture is provided with the automatic acquisition DMX channel data module being connected with cable.
Described automatic acquisition DMX channel data module as shown in Figure 1, comprises MCU control unit and the first interface circuit being connected with MCU control unit respectively and the second interface circuit, and first interface circuit is connected with described cable respectively with the second interface circuit.Described first interface circuit and the second interface circuit are 485 serial port circuits.Wherein A, B are two data lines in cable, and GND is the earth connection in cable.MCU control unit is also connected with the light fixture of this passage in addition.
After the initialization of described MCU control unit, identification respectively first interface circuit and the second interface circuit are set to input or output.MCU control unit receives the control signal of DMX controller transmission from input, carry out wherein one group of control command and regulate the light fixture that this passage is corresponding.MCU control unit is lived again other group control commands of control signal and transfers to the automatic acquisition DMX channel data module of the light fixture of next passage by output.The workflow diagram of automatic acquisition DMX channel data module is as shown in Figure 2: after automatic acquisition DMX channel data module powers on, the initialization of MCU control unit, configuration DMX interface transmission direction (first interface circuit and the second interface circuit are set to respectively to input and output), then carry out the light fixture that control command regulates this passage, the signal that interrupts and interrupt according to interface returning is lived again other group control commands at output.Wherein, when configuration DMX interface transmission direction and execution control command regulate the light fixture of this passage unsuccessful, endless loop is returned to and entered to program.
During the transmission direction of configuration DMX interface, use the exclusive method of logic.The workflow diagram that input, output arrange as shown in Figure 3.This flow process starts from step S201.Then, at step S202, total interruption closed (EA=0), and first interface circuit (DmxBus1) is set to input, and the second interface circuit (DmxBus2) is set to output, always breaks (EA=1).At step S203, make reasonable time and postpone.At step S205, detect first interface circuit and whether receive valid data (comprising control command), if complete input/output terminal setting, enter step S208 process ends; Enter if not step S204, total interruption closed (EA=0), and first interface circuit (DmxBus1) is set to output, and the second interface circuit (DmxBus2) is set to input, always breaks (EA=1).At step S206, making reasonable time postpones.At step S207, if the second interface circuit receives valid data, complete input/output terminal setting, enter step S208 process ends; Return to if not step S202.
In every grade of light fixture, control command reception & disposal, the workflow diagram of living again are as shown in Figure 4.Flow process starts from step S301.
Then, at step S302, judge whether to accept interrupt signal (RI=1), if enter step S304, enter if not step S303.
At step S303, judge whether to send interrupt signal (TI=1), if entering step S305, enter if not step S315.
At step S304, after removing RI value, enter step S306.
At step S305, after removing TI value, enter step S315.
At step S306, judgement DMX opening flag, if enter step S308, enters step S307 if not.
At step S307, whether this passage control command of quality is controlled in judgement, if enter step S309, enters if not step S312.
At step S308, remove input count pick up (ScomRcvCnt=0), and DMX is received and prepares flag set (DmxRcvReady=True), then enter step S310.
At step S309, judge that whether DMX receives the set of preparation sign, if enter step S311, enters step S316 process ends if not.
At step S310, the control command of reception is sent to next stage, realize living again of control command, then enter step S316 process ends.
At step S311, control command is stored in receiving register, then enter step S313.
At step S312, the control command of reception is sent to next stage, then enter step S315.
At step S313, judge whether this passage control command finishes receiving, if enter step S314, enter if not S315.
At step S314, this light fixture DMX finishes receiving flag set, removes DMX and receives preparation sign, then enters step S315.
At step S315, input count pick up (ScomRcvCnt ++), then enters step S316 process ends.
Flow process finishes and step S316.
Claims (8)
1. one kind without the lamp light control system that address is set, comprise a DMX controller, a cable and some light fixtures, cable, by DMX controller and light fixture serial connection, is characterized in that: the control signal end of described light fixture is provided with the automatic acquisition DMX channel data module being connected with cable;
Described automatic acquisition DMX channel data module, comprises MCU control unit and the first interface circuit being connected with MCU control unit respectively and the second interface circuit, and first interface circuit is connected with described cable respectively with the second interface circuit.
2. lamp light control system as claimed in claim 1, is characterized in that: after the initialization of described MCU control unit, identification respectively first interface circuit and the second interface circuit are set to input or output;
MCU control unit receives the control signal of DMX controller transmission from input, carry out wherein one group of control command and regulate the light fixture that this passage is corresponding;
MCU control unit is lived again other group control commands of control signal and transfers to the automatic acquisition DMX channel data module of the light fixture of next passage by output.
3. lamp light control system as claimed in claim 2, is characterized in that: after the initialization of described MCU control unit, total interruption closed, and first interface circuit is set to input, and the second interface circuit is set to output, always breaks;
If first interface circuit receives valid data, complete input/output terminal setting; Otherwise total interruption closed, the second interface circuit is set to input, and first interface circuit is set to output, always breaks, and the second interface circuit receives valid data, completes input/output terminal setting.
4. lamp light control system as claimed in claim 2, it is characterized in that: when MCU control unit is carried out wherein one group of control command and regulated light fixture corresponding to this passage, DMX is received and prepares flag set, then the control command of this passage is stored in receiving register, the control command that DMX finishes receiving rear this passage of execution regulates the light fixture that this passage is corresponding.
5. lamp light control system as claimed in claim 2, it is characterized in that: when MCU control unit is lived again control command, first other group control commands of distinguishing this passage control command and need to live again with DMX opening flag, if live again and export from output as other group control commands; If whether again differentiate the control command of this passage without DMX opening flag, carry out the control command of this passage, or live again and export as other group control commands.
6. lamp light control system as claimed in claim 5, it is characterized in that: the whether method of the control command of this passage of differentiating is that the statistics numbers of the identification code of this control command and counter is made comparisons, if the control command that this control command is statistics numbers should be carried out belongs to the control command of this passage.
7. lamp light control system as claimed in claim 2, is characterized in that: described control command is the DMX data of 9.
8. lamp light control system as claimed in claim 1, is characterized in that: described first interface circuit and the second interface circuit are 485 serial port circuits.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210242886.1A CN103547018A (en) | 2012-07-15 | 2012-07-15 | Lamplight control system needless of address setting |
| PCT/CN2012/001229 WO2014012194A1 (en) | 2012-07-15 | 2012-09-03 | Lighting control system with no address- setting requirement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210242886.1A CN103547018A (en) | 2012-07-15 | 2012-07-15 | Lamplight control system needless of address setting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103547018A true CN103547018A (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210242886.1A Pending CN103547018A (en) | 2012-07-15 | 2012-07-15 | Lamplight control system needless of address setting |
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| Country | Link |
|---|---|
| CN (1) | CN103547018A (en) |
| WO (1) | WO2014012194A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109769325A (en) * | 2019-03-28 | 2019-05-17 | 深圳爱克莱特科技股份有限公司 | LED colour mixture lighting system, LED colour mixture light remote control apparatus and its control method |
| WO2020258356A1 (en) * | 2019-06-25 | 2020-12-30 | 广州达森灯光股份有限公司 | Handheld multi-functional lamp controller, and storage medium |
| CN112351540A (en) * | 2019-08-06 | 2021-02-09 | 矽诚科技股份有限公司 | Burning sequencing point-controlled light-emitting diode lamp and operation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006041956A (en) * | 2004-07-27 | 2006-02-09 | Matsushita Electric Works Ltd | Terminal for remote supervisory control system |
| CN101453807A (en) * | 2007-12-07 | 2009-06-10 | 锦鑫光电股份有限公司 | Lamp light driving device and lighting system thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573184B (en) * | 2010-12-17 | 2014-07-30 | 明阳半导体股份有限公司 | Lighting fixture control chip, device, system as well as addressing method thereof |
-
2012
- 2012-07-15 CN CN201210242886.1A patent/CN103547018A/en active Pending
- 2012-09-03 WO PCT/CN2012/001229 patent/WO2014012194A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006041956A (en) * | 2004-07-27 | 2006-02-09 | Matsushita Electric Works Ltd | Terminal for remote supervisory control system |
| CN101453807A (en) * | 2007-12-07 | 2009-06-10 | 锦鑫光电股份有限公司 | Lamp light driving device and lighting system thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109769325A (en) * | 2019-03-28 | 2019-05-17 | 深圳爱克莱特科技股份有限公司 | LED colour mixture lighting system, LED colour mixture light remote control apparatus and its control method |
| WO2020258356A1 (en) * | 2019-06-25 | 2020-12-30 | 广州达森灯光股份有限公司 | Handheld multi-functional lamp controller, and storage medium |
| CN112351540A (en) * | 2019-08-06 | 2021-02-09 | 矽诚科技股份有限公司 | Burning sequencing point-controlled light-emitting diode lamp and operation method thereof |
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| Publication number | Publication date |
|---|---|
| WO2014012194A1 (en) | 2014-01-23 |
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Application publication date: 20140129 |