CN111954344A - DMX controlled color mixing lamp strip and control system thereof - Google Patents
DMX controlled color mixing lamp strip and control system thereof Download PDFInfo
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- CN111954344A CN111954344A CN202010881907.9A CN202010881907A CN111954344A CN 111954344 A CN111954344 A CN 111954344A CN 202010881907 A CN202010881907 A CN 202010881907A CN 111954344 A CN111954344 A CN 111954344A
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- 238000004891 communication Methods 0.000 claims abstract description 41
- 230000011664 signaling Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 5
- 239000011889 copper foil Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001795 light effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/345—Current stabilisation; Maintaining constant current
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to the technical field of lamp belts, in particular to a DMX-controlled color mixing lamp belt and a control system thereof, which comprise a carrier, and a power supply port, a communication port, a first DMX decoding unit and a light-emitting unit which are all arranged on the carrier; the light emitting unit comprises at least two color temperature light emitters; the first DMX decoding unit is provided with a first signal receiving end and at least two first driving ends; the power supply port is electrically connected with the first driving end of the first DMX decoding unit through the light-emitting unit; the communication port is in communication connection with a first signal receiving end of the first DMX decoding unit; the power supply port is electrically connected with the first DMX decoding unit. The color temperature and the brightness of the lamp strip can be adjusted.
Description
Technical Field
The invention relates to the technical field of lamp belts, in particular to a color mixing lamp belt controlled by DMX and a control system thereof.
Background
With the continuous development of LED lighting, the application range of LED lamp strips is also wider and wider, for example, the application range of LED lamp strips is used as the decoration of scene lighting, building outline, indoor backlight source, advertisement sign, KTV, and other places. Although the performance of the LED lamp in terms of brightness, energy consumption and the like is very excellent, the color temperature of the current single LED is fixed, so the color temperature of the lamp strip is not variable, and the application range of the lamp strip is greatly limited.
Disclosure of Invention
The invention aims to overcome the defects and provide a color-adjusting lamp strip controlled by DMX, which can adjust the color temperature and the brightness of the lamp strip.
In order to achieve the purpose, the invention adopts the following specific scheme: a color-mixing lamp belt controlled by DMX comprises a carrier, and a power supply port, a communication port, a first DMX decoding unit and a light-emitting unit which are all arranged on the carrier; the light emitting unit comprises at least two color temperature light emitters; the first DMX decoding unit is provided with a first signal receiving end and at least two first driving ends; the power supply port is electrically connected with the first driving end of the first DMX decoding unit through the light-emitting unit and is used for driving the light-emitting state of each light-emitting body in the light-emitting unit; the communication port is in communication connection with a first signal receiving end of the first DMX decoding unit and is used for receiving an external DMX control signal and controlling the light emitting state of each light emitting body in the light emitting unit; the power supply port is electrically connected with the first DMX decoding unit.
Further, the color-adjusting lamp strip controlled by the DMX also comprises a second DMX decoding unit; the second DMX decoding unit is provided with a second driving end and a second signal receiving end; the power supply port is electrically connected with the second driving end of the second DMX decoding unit through the light-emitting unit; the communication port is in communication connection with a second signal receiving end of the second DMX decoding unit; the power supply port is electrically connected with the second DMX decoding unit.
Further, the second DMX decoding unit is provided with a constant current driving module for driving the light emitting unit with a constant current; the light emitting unit is electrically connected with the constant current driving module through the first driving end.
Further, the carrier is a flexible circuit board; the thickness of the copper foil in the flexible circuit board is more than or equal to 2 OZ.
Further, the number of the silk-screen colors of the flexible circuit board is at least two.
The color modulation lamp band comprises a DMX control unit for sending a DMX control signal and at least one color modulation lamp band controlled by the DMX;
a lamp belt control system based on DMX comprises a DMX control unit used for sending DMX control signals and at least one color-adjusting lamp belt controlled by DMX; the color-mixing lamp belt controlled by the DMX comprises a carrier, and a power supply port, a communication port, a first DMX decoding unit and a light-emitting unit which are all arranged on the carrier; the light emitting unit comprises at least two color temperature light emitters; the first DMX decoding unit is provided with a first signal receiving end and at least two first driving ends; the power supply port is electrically connected with the first driving end of the first DMX decoding unit through the light-emitting unit and is used for driving the light-emitting state of each light-emitting body in the light-emitting unit; the communication port is in communication connection with a first signal receiving end of the first DMX decoding unit and is used for receiving an external DMX control signal and controlling the light emitting state of each light emitting body in the light emitting unit; the power supply port is electrically connected with the first DMX decoding unit; the DMX control unit is in communication connection with the communication port.
The invention has the beneficial effects that: through setting up the luminous body of a plurality of different colour temperatures, cooperation first DMX decoding unit can decode and the analysis with the outside DMX control signal of receiving, can mix the effect of any colour temperature between output 1800K-5000K, also can realize the different luminance effects in regulation lamp area.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
FIG. 1 is a schematic circuit diagram of a first embodiment of a DMX controlled color matching light strip;
FIG. 2 is a schematic circuit diagram of a second embodiment of a DMX controlled color matching light strip;
fig. 3 is a schematic circuit diagram of a DMX-based light strip control system.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
As shown in fig. 1-2, the DMX-controlled color-adjusting light strip according to this embodiment includes a carrier, and a power supply port, a communication port, a first DMX decoding unit, and a light-emitting unit, which are all disposed on the carrier; the light emitting unit comprises at least two color temperature light emitters; the first DMX decoding unit is provided with a first signal receiving end and at least two first driving ends; the power supply port is electrically connected with the first driving end of the first DMX decoding unit through the light-emitting unit and is used for driving the light-emitting state of each light-emitting body in the light-emitting unit; the communication port is in communication connection with a first signal receiving end of the first DMX decoding unit and is used for receiving an external DMX control signal and controlling the light emitting state of each light emitting body in the light emitting unit; the power supply port is electrically connected with the first DMX decoding unit.
According to the actual use requirement, the power supply port comprises a positive electrode port and a negative electrode port or a grounding port, and is used for enabling the lamp strip to be connected into an external power supply source and supplying power to the first DMX decoding unit. The following is the specific working principle of the lamp strip: the external DMX control signal is sent to the first DMX decoding unit through the communication port, the first DMX decoding unit decodes and analyzes the received external DMX control signal, and correspondingly drives the light-emitting bodies connected to different first driving ends at different duty ratios according to the instruction of the DMX control signal, so that the set color temperature and the set brightness are displayed. When the color temperature effect needs to be changed, the display time of the LED of each color temperature can be controlled only by setting DMX control signals of different duty ratio points, the effect of outputting any color temperature between 1800K and 5000K in a mixed mode is achieved, and the effect of adjusting different brightness of the lamp strip can be achieved. The DMX control technology is applied, so that the lamp strip can provide comfortable illumination space, and different light-emitting color temperatures and brightness requirements can be well met.
As shown in fig. 1, in order to obtain a light effect with a better color temperature and reduce the circuit complexity, in the first embodiment of fig. 1, the light emitting unit employs leds with three color temperatures of CCT (short for corrected color temperature), 1800K, 2700K and 5000K. Meanwhile, in order to independently drive the light emitting diodes with different color temperatures, the first DMX decoding unit is provided with three first driving ends, and the light emitting body with each color temperature is connected to the different first driving ends. The first DMX decoding unit may adopt a chip with a model number of DMX512 or other integrated chips or modules with a constant current driving function and a DMX decoding function. The three first driving terminals of the DMX512 chip are an OUTB pin, an OUTG pin and an OUTR pin, respectively. And the anode port in the power supply port is electrically connected with the OUTB pin, the OUTG pin and the OUTR pin of the first DMX decoding unit respectively after passing through the light emitting diodes with different color temperatures. The DIN pin of the first DMX decoding unit is a first signal receiving terminal for receiving an external DMX control signal.
As shown in fig. 2, in order to obtain a better color temperature and obtain different color light effects, different from the first embodiment, the light emitting unit in the second embodiment also uses RGBWW lamp beads with model 5050, which can display seven colors of light as well as white light. Correspondingly, the first DMX decoding unit may employ two DMX512 chips, each DMX512 chip has three first driving terminals (OUTB pin, OUTG pin, OUTR pin), and the two DMX512 chips have six first driving terminals. Five pins of the RGBW lamp bead are respectively connected into the five first driving ends. In actual connection, because each DMX512 chip has at most three driving paths, when driving RGBW lamp beads, signal ends of two chips need to be connected in series; therefore, the communication port is in communication connection with the first signal receiving end of the first DMX512 chip, and the first signal output end of the first DMX512 chip is in communication connection with the first signal receiving end of the second DMX512 chip
As shown in fig. 1, in the color-adjusting light band controlled by DMX according to this embodiment, the color-adjusting light band controlled by DMX further includes a second DMX decoding unit; the second DMX decoding unit is provided with a second driving end and a second signal receiving end; the power supply port is electrically connected with the second driving end of the second DMX decoding unit through the light-emitting unit; the communication port is in communication connection with a second signal receiving end of the second DMX decoding unit; the power supply port is electrically connected with the second DMX decoding unit.
Through the arrangement mode, in a mode of parallel connection of chip signals, when three paths of light emitting bodies and light emitting bodies smaller than the three paths of light emitting bodies need to be driven, for the DMX control unit, two chips on the same section of lamp strip are the same DMX512 address, so that the driver current flowing through the light emitting unit is expanded, the first driving end of the first DMX decoding unit and the second driving end of the second DMX decoding unit can simultaneously drive the light emitting unit, the maximum output current of an LED can be increased, high power is output, the power consumption of the first DMX decoding unit and the power consumption of the second DMX decoding unit can be reduced, and the reliability of the circuit is enhanced. Specifically, the DMX control signal is respectively connected to a first signal receiving terminal of the first DMX decoding unit and a second signal receiving terminal of the second DMX decoding unit.
Further, the second DMX decoding unit is provided with a constant current driving module for driving the light emitting unit with a constant current; the light emitting unit is electrically connected with the constant current driving module through the first driving end.
Specifically, the first DMX decoding unit may adopt a chip with a model number of DMX512 or other integrated chips or modules with the same constant current driving function. A power supply clamping module, a signal decoding module, an oscillation module, a data cache module, an output current setting module and a constant current driving module are integrated in the DMX512 chip, so that the light emitting bodies in the light emitting units can be driven by the output constant current of each first driving end; the consistency of the light outgoing of the front section and the rear section of the lamp strip is ensured. In addition, the REXT pin of the DMX512 chip can be connected with resistors with different resistance values, so that the output current value of each pin of OUTR, OUTG and OUTB can be set, and the output current is set to be 18mA by default in the suspended state of the REXT pin.
Further, the carrier is a flexible circuit board; the thickness of the copper foil in the flexible circuit board is more than or equal to 2 OZ.
Specifically, by increasing the thickness of the copper foil, the voltage drop is greatly reduced, and the brightness of the whole lamp strip is consistent. Compared with the copper foil thickness of 1OZ on the market, the voltage drop of the circuit is greatly reduced.
Further, the number of the silk-screen colors of the flexible circuit board is at least two.
Through setting up the silk screen printing of two kinds of different colours, can remind the wiring position of user's anodal port and ground connection port, prevent that the user from connecting conversely, damaging the lamp area.
As shown in fig. 3, a DMX-based lamp strip control system includes a DMX control unit for sending a DMX control signal and at least one color-adjusting lamp strip controlled by the DMX; the color-mixing lamp belt controlled by the DMX comprises a carrier, and a power supply port, a communication port, a first DMX decoding unit and a light-emitting unit which are all arranged on the carrier; the light emitting unit comprises at least two color temperature light emitters; the first DMX decoding unit is provided with a first signal receiving end and at least two first driving ends; the power supply port is electrically connected with the first driving end of the first DMX decoding unit through the light-emitting unit and is used for driving the light-emitting state of each light-emitting body in the light-emitting unit; the communication port is in communication connection with a first signal receiving end of the first DMX decoding unit and is used for receiving an external DMX control signal and controlling the light emitting state of each light emitting body in the light emitting unit; the power supply port is electrically connected with the first DMX decoding unit; the DMX control unit is in communication connection with the communication port.
By setting the DMX control unit, a DMX512(1990) communication protocol can be used, and the DMX control unit sends control instructions to each DMX512 chip, wherein the control instructions include address data, duty ratio information of each address and the like. Because each path of luminous bodies with different color temperatures correspond to different addresses, the DMX512 chip can correspondingly drive the luminous bodies with different color temperatures to emit light according to different addresses in the obtained control instructions and duty ratio information instructions thereof, and the color temperature and the brightness displayed by the color-mixing lamp strip controlled by the DMX are controlled.
In addition, when a plurality of DMX-controlled color-adjusting light bands are connected in series, DMX control signals of the DMX control unit are transmitted to a first signal receiving end of a first DMX decoding unit in the first DMX-controlled color-adjusting light band through the communication port, namely a DAI port; and then, a first signal output end of the first DMX decoding unit, namely a DOUT pin of the first DMX decoding unit, outputs the signal to a communication port in the second DMX-controlled color-mixing lamp strip, and so on until the signal is transmitted to a communication port of the Nth DMX-controlled color-mixing lamp strip for connection. The color adjusting lamp belts controlled by the DMX are connected in series through the arrangement, and different color temperatures are controlled and displayed according to the DMX control signals.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (6)
1. The utility model provides a mixing of colors lamp area of DMX control which characterized in that: the device comprises a carrier, and a power supply port, a communication port, a first DMX decoding unit and a light-emitting unit which are all arranged on the carrier;
the light emitting unit comprises at least two color temperature light emitters;
the first DMX decoding unit is provided with a first signal receiving end and at least two first driving ends;
the power supply port is electrically connected with the first driving end of the first DMX decoding unit through the light-emitting unit and is used for driving the light-emitting state of each light-emitting body in the light-emitting unit;
the communication port is in communication connection with a first signal receiving end of the first DMX decoding unit and is used for receiving an external DMX control signal and controlling the light emitting state of each light emitting body in the light emitting unit;
the power supply port is electrically connected with the first DMX decoding unit.
2. A DMX controlled color-mixing light strip according to claim 1, wherein: the color-mixing lamp strip controlled by the DMX also comprises a second DMX decoding unit;
the second DMX decoding unit is provided with a second driving end and a second signal receiving end;
the power supply port is electrically connected with the second driving end of the second DMX decoding unit through the light-emitting unit;
the communication port is in communication connection with a second signal receiving end of the second DMX decoding unit;
the power supply port is electrically connected with the second DMX decoding unit.
3. A DMX controlled color-mixing light strip according to claim 1, wherein: the second DMX decoding unit is provided with a constant current driving module for driving the light emitting unit at a constant current; the light emitting unit is electrically connected with the constant current driving module through the first driving end.
4. A DMX controlled color-mixing light strip according to claim 1, wherein: the carrier is a flexible circuit board; the thickness of the copper foil in the flexible circuit board is more than or equal to 2 OZ.
5. A DMX controlled color tunable light strip according to claim 4, wherein: the silk-screen color quantity of the flexible circuit board is at least two.
6. A lamp area control system based on DMX its characterized in that: the color modulation lamp band comprises a DMX control unit used for sending a DMX control signal and at least one color modulation lamp band controlled by the DMX;
the color-mixing lamp belt controlled by the DMX comprises a carrier, and a power supply port, a communication port, a first DMX decoding unit and a light-emitting unit which are all arranged on the carrier; the light emitting unit comprises at least two color temperature light emitters; the first DMX decoding unit is provided with a first signal receiving end and at least two first driving ends; the power supply port is electrically connected with the first driving end of the first DMX decoding unit through the light-emitting unit and is used for driving the light-emitting state of each light-emitting body in the light-emitting unit; the communication port is in communication connection with a first signal receiving end of the first DMX decoding unit and is used for receiving an external DMX control signal and controlling the light emitting state of each light emitting body in the light emitting unit; the power supply port is electrically connected with the first DMX decoding unit;
the DMX control unit is in communication connection with the communication port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010881907.9A CN111954344A (en) | 2020-08-28 | 2020-08-28 | DMX controlled color mixing lamp strip and control system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010881907.9A CN111954344A (en) | 2020-08-28 | 2020-08-28 | DMX controlled color mixing lamp strip and control system thereof |
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| CN111954344A true CN111954344A (en) | 2020-11-17 |
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| CN202010881907.9A Pending CN111954344A (en) | 2020-08-28 | 2020-08-28 | DMX controlled color mixing lamp strip and control system thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699923A (en) * | 2009-11-11 | 2010-04-28 | 广州中大中鸣科技有限公司 | Lighting control system based on DMX512 protocol and method thereof |
| KR101119828B1 (en) * | 2011-09-28 | 2012-02-28 | (주)일루텍 | Illumination system using a power line communication and controlling method therefore |
| CN202873136U (en) * | 2012-09-27 | 2013-04-10 | 比亚迪股份有限公司 | LED lamp control system |
| CN204437889U (en) * | 2015-03-24 | 2015-07-01 | 浙江农林大学 | A kind of all-colour LED lamp affixed to the ceiling with remote control |
-
2020
- 2020-08-28 CN CN202010881907.9A patent/CN111954344A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699923A (en) * | 2009-11-11 | 2010-04-28 | 广州中大中鸣科技有限公司 | Lighting control system based on DMX512 protocol and method thereof |
| KR101119828B1 (en) * | 2011-09-28 | 2012-02-28 | (주)일루텍 | Illumination system using a power line communication and controlling method therefore |
| CN202873136U (en) * | 2012-09-27 | 2013-04-10 | 比亚迪股份有限公司 | LED lamp control system |
| CN204437889U (en) * | 2015-03-24 | 2015-07-01 | 浙江农林大学 | A kind of all-colour LED lamp affixed to the ceiling with remote control |
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Application publication date: 20201117 |
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