CN104994615A - Panel array LED light-mixing method and device - Google Patents
Panel array LED light-mixing method and device Download PDFInfo
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- CN104994615A CN104994615A CN201510246109.8A CN201510246109A CN104994615A CN 104994615 A CN104994615 A CN 104994615A CN 201510246109 A CN201510246109 A CN 201510246109A CN 104994615 A CN104994615 A CN 104994615A
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Abstract
The invention discloses a panel array LED light-mixing method and device. The device comprises a computer, an AC/DC converter, a USB-DMX512 controller, a decoder, and multiple LED light-mixing circuits. The USB-DMX512 controller is connected with the computer. The decoder is connected between the USB-DMX512 controller and the multiple LED light-mixing circuits. By means of direct operation, performed by the computer and the USB-DMX512 controller, on a light-mixing process, the device may clearly observe a current light-mixing state and mixed spectrum in a visualized manner, facilitates the light-mixing process, achieves precise regulation of a brightness change from 0 to 100% of each LED lamp, simplifies a circuit connection process, improves light-mixing regulating and controlling efficiency and precision, and satisfies requirements for the using performance of an LED light-mixing lamp in different industries and areas.
Description
Technical field
The present invention relates to a kind of array-type LED lamp light mixing method, particularly can carry out light mixing method and the device of the adjustment of mixed light intensity at any time for paths of LEDs arbitrary in array, belong to lamp light control system field.
Background technology
LED has the advantages such as volume is little, energy-saving and environmental protection, long service life, and it is just becoming the substitute of conventional illumination sources, and is accepted gradually and uses.
LED chip is formed primarily of red, blue and green, and in actual applications, in order to obtain the illumination of wider colour gamut, usually need to carry out mixed light to LED light source, mixed light process then needs light mixing plate.In recent years, along with the development of mixed light technology, mixed light drive circuit is fruitful.As Chinese patent, publication number is a kind of LED constant current PWM drive circuit and the three-primary color LED mixed light drive circuit of CN 1037638825A, this circuit comprises: three terminal bidirectional switching circuit, be connected with AC power, the sinusoidal ac signal for AC power being provided converts sinusoidal chopped waveform signal to; PWM waveform produces circuit, is connected with described three terminal bidirectional switching circuit, produces PWM waveform for utilizing described sinusoidal chopping signal; Constant current driver circuit for LED, produces circuit with described PWM waveform and is connected, and for the turn-on and turn-off utilizing described PWM waveform to control LED light source, thus the constant current PWM realizing LED drives.Its advantage is: the mixed light break-make that can realize LED light source fast, completes simple Mixed Lights Illumination process.Shortcoming is: the accuracy of mixed light control method and real-time are not high, can only realize the bright of LED or go out, and cannot control and to RGB three primary colors real-time monitoring, control procedure is simple, stiff to the change of the light and shade of lamp.
How to improve this situation, improve the mixed light adjustment process of array-type LED light source, increase the controllability and flexibility that regulate, just become the problem that the present invention wants to solve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the present invention aims to provide one and can control in real time, and flat plate array formula LED light mixing method and the device of quick mixed light and generation mixed light spectrum effects can be reached, to meet the needs that array-type LED mixed light process changes light and shade, ensure illuminating effect, improve general applicability and the diversity of illumination.
The present invention is achieved through the following technical solutions:
A kind of flat plate array formula LED light mixing method, concrete steps comprise:
Step one, connect extraneous AC power, by AC/DC transducer, USB-DMX512 controller, decoder and LED multi-path mixed light circuit are powered.
Step 2, unlatching computer control software, the mode of slider bar or direct input numerical value is adopted to input regulation and control instruction after entering " light modulation " interface, the light and shade conversion of each paths of LEDs lamp is controlled by USB-DMX512 controller and decoder, form required mixed light spectrum, and the numerical value of mixed light spectrum is displayed in the spectrum viewing area of software at any time.
Step 3, preservation regulation and control data, form TXT file and be used directly to mixed light regulation and control, mixed light regulation process completes; Or, do not preserve regulation and control data, directly exit.
In described step 2, control software design is also provided with " authentication " interface, after logging in, the mixed light selecting the TXT Parameter File preserved directly to carry out corresponding mixed light spectrum controls.
In described step 2, the control of quick limit mixed light is also carried out by the shortcut of 100% and 0% two kind of brightness in " light modulation " interface.
In described step 3, " light modulation " interface also can be provided with last mixed light scheme and call in button, by the use to this button, the mixed light scheme of filing for the last time directly is called in, completes mixed light regulation process.
In described LED multi-path mixed light circuit, the LED of every road mixed light circuit is connected mutually, and series circuit is provided with diode in parallel.
A kind of flat plate array formula LED light mixing device, is characterized in that, comprise computer, AC/DC transducer, USB-DMX512 controller, decoder and LED multi-path mixed light circuit; Described USB-DMX512 controller connects on computers, decoder is connected between USB-DMX512 controller and LED multi-path mixed light circuit, in LED multi-path mixed light circuit, the LED of every paths of LEDs mixed light circuit is connected mutually, series circuit is provided with diode in parallel, and extraneous AC power is respectively USB-DMX512 controller, decoder and LED multi-path mixed light circuit by AC/DC transducer and powers.
The beneficial effect of a kind of flat plate array formula LED light mixing method of the present invention and device comprises:
1, USB-DMX512 controller is adopted to carry out mixed light regulation and control, the direct control of computer to mixed light process can be realized, simple and clear observes current mixed light state and mixed light spectrum, and mixed light information is directly fed back to operating personnel, facilitates mixed light adjustment process to carry out smoothly, in order;
2, USB-DMX512 controller can realize the control respectively of the different LED lamp on nearly 12 tunnels, and can carry out the precision light and shade adjustment of 0-100% to every paths of LEDs lamp, can meet different industries, different geographical to the use needs of LED lamp mixed;
3, in every paths of LEDs mixed light circuit, LED adopts series system to connect, and has been arranged in parallel the diode shielded, and prevents the appearance of the breakdown problem of LED, improves the reliability that LED connects;
4, circuit design is simple, easy to connect, use is reliable;
5, mixed light efficiency high, easy to operate by the LED mixed light process adjustment precision of computer software control significantly improves;
6, can realize the storage of multiple mixed light regulation and control scheme and call, use flexibly, be convenient to the across comparison of polymorphic type LED mixed light performance, applicability is strong.
Accompanying drawing explanation
Fig. 1 is the structural schematic block diagram of a kind of flat plate array formula LED light mixing device of the present invention.
Embodiment
Below in conjunction with accompanying drawing 1, the present invention will be further described:
A kind of flat plate array formula LED light mixing device of the present invention, comprises computer, AC/DC transducer, USB-DMX512 controller, decoder and LED multi-path mixed light circuit.Wherein, USB-DMX512 controller connects on computers, decoder is connected between USB-DMX512 controller and LED multi-path mixed light circuit, and USB-DMX512 controller can convert dim signal to pwm signal, and pwm signal is by realizing the control to LED after decoding.In this example; LED multi-path mixed light circuit is set to 12 tunnels, and the LED of every paths of LEDs mixed light circuit is connected mutually, connects instead cause the generation of burning phenomenon for preventing LED positive and negative electrode; each series circuit is also parallel with a diode, to protect LED group better.Extraneous AC power then by after the conversion of AC/DC transducer, is respectively USB-DMX512 controller, decoder and 12 paths of LEDs mixed light circuit and powers.
Certainly, for convenience of use procedure, LED mixed light circuit also directly can be made into LED mixed light circuit board, just can realize carrying out demonstration test to LED mixed light process by changing dissimilar LED.
Concrete light mixing method comprises: first, and said apparatus is connected extraneous AC power, is powered to USB-DMX512 controller, decoder and LED multi-path mixed light circuit by AC/DC transducer; Then, open computer control software, the mode of slider bar or direct input numerical value is adopted to input regulation and control instruction after entering " light modulation " interface, by forming pwm signal after the conversion of USB-DMX512 controller, then formation control signal drives each paths of LEDs lamp after decoders decode, realizes the light and shade conversion of every paths of LEDs lamp, and form required mixed light spectrum,, mixed light spectra values is presented in the spectrum viewing area of software at any time, so that record and contrast meanwhile; Finally, the regulation and control data adjusted preserved, form TXT file and be used directly to mixed light regulation and control, mixed light process completes; Or, select not preserve regulation and control data, directly exit.Whole regulation process, can control at any time the light and shade change of every paths of LEDs lamp as required, and can adjust in real time RGB three primary colors, facilitate mixed light process, meet different industries, different geographical to the use needs of LED.
Certainly, for convenience of regulation process, the shortcut of corresponding 100% and 0% two kind of brightness also can be set in " light modulation " interface, to meet the quick regulation and control of limit mixed light process, improve mixed light efficiency.Or, in " light modulation " interface, also can be provided with last mixed light scheme call in button, by the use to this button, the mixed light scheme of filing for the last time directly be called in, completes mixed light regulation process.Equally, use for being applicable to many people, and strictly control use procedure, corresponding " authentication " interface also can be set in control software design, when carrying out after authentication logs in, can searching the TXT Parameter File preserved with password, and directly carry out mixed light after selecting corresponding TXT Parameter File and call, thus form unified regulation and control market demand, for comparing the mixed light efficiency of different LED lamp, realizing across comparison process and providing convenience.
Claims (6)
1. a flat plate array formula LED light mixing method, is characterized in that, concrete steps comprise:
Step one, connect extraneous AC power, by AC/DC transducer, USB-DMX512 controller, decoder and LED multi-path mixed light circuit are powered;
Step 2, unlatching computer control software, the mode of slider bar or direct input numerical value is adopted to input regulation and control instruction after entering " light modulation " interface, the light and shade conversion of each paths of LEDs lamp is controlled by USB-DMX512 controller and decoder, form required mixed light spectrum, and the numerical value of mixed light spectrum is displayed in the spectrum viewing area of software at any time;
Step 3, preservation regulation and control data, form TXT file and be used directly to mixed light regulation and control, mixed light regulation process completes; Or, do not preserve regulation and control data, directly exit.
2. a kind of flat plate array formula LED light mixing method according to claim 1, it is characterized in that, in described step 2, control software design is also provided with " authentication " interface, after logging in, the mixed light selecting the TXT Parameter File preserved directly to carry out corresponding mixed light spectrum controls.
3. a kind of flat plate array formula LED light mixing method according to claim 1 and 2, is characterized in that, in described step 2, the control of quick limit mixed light is also carried out by the shortcut of 100% and 0% two kind of brightness in " light modulation " interface.
4. a kind of flat plate array formula LED light mixing method according to claim 1 and 2, it is characterized in that, in described step 3, " light modulation " interface also can be provided with last mixed light scheme and call in button, by the use to this button, the mixed light scheme of filing for the last time is directly called in, completes mixed light regulation process.
5. a kind of flat plate array formula LED light mixing method according to claim 1 and 2, is characterized in that, in described LED multi-path mixed light circuit, the LED of every road mixed light circuit is connected mutually, and series circuit is provided with diode in parallel.
6. can realize a flat plate array formula LED light mixing device for arbitrary described method in the claims 1-5, it is characterized in that, comprise computer, AC/DC transducer, USB-DMX512 controller, decoder and LED multi-path mixed light circuit; Described USB-DMX512 controller connects on computers; Described decoder is connected between USB-DMX512 controller and LED multi-path mixed light circuit; In described LED multi-path mixed light circuit, the LED of every paths of LEDs mixed light circuit is connected mutually, and series circuit is provided with diode in parallel; Extraneous AC power is respectively USB-DMX512 controller, decoder and LED multi-path mixed light circuit by AC/DC transducer and powers.
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| CN201510246109.8A CN104994615A (en) | 2015-05-15 | 2015-05-15 | Panel array LED light-mixing method and device |
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| CN201510246109.8A CN104994615A (en) | 2015-05-15 | 2015-05-15 | Panel array LED light-mixing method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763577A (en) * | 2017-11-23 | 2018-03-06 | 广东工业大学 | A kind of high-brightness LED array mixed light panel assembly |
| CN108834274A (en) * | 2018-05-15 | 2018-11-16 | 江苏领焰智能科技股份有限公司 | Lamp light control system and lamp light control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625529A (en) * | 2012-03-14 | 2012-08-01 | 中山伟强科技有限公司 | Integrated wireless and wired control system |
| CN202514117U (en) * | 2012-03-02 | 2012-10-31 | 湖南稀土新能源材料有限责任公司 | LED panel lamp drive circuit capable of adjusting light and color |
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- 2015-05-15 CN CN201510246109.8A patent/CN104994615A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202514117U (en) * | 2012-03-02 | 2012-10-31 | 湖南稀土新能源材料有限责任公司 | LED panel lamp drive circuit capable of adjusting light and color |
| CN102625529A (en) * | 2012-03-14 | 2012-08-01 | 中山伟强科技有限公司 | Integrated wireless and wired control system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763577A (en) * | 2017-11-23 | 2018-03-06 | 广东工业大学 | A kind of high-brightness LED array mixed light panel assembly |
| CN108834274A (en) * | 2018-05-15 | 2018-11-16 | 江苏领焰智能科技股份有限公司 | Lamp light control system and lamp light control method |
| CN108834274B (en) * | 2018-05-15 | 2019-10-08 | 江苏领焰智能科技股份有限公司 | Lamp light control system and lamp light control method |
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Application publication date: 20151021 |