CN105764186A - LED lamp energy-saving control system - Google Patents
LED lamp energy-saving control system Download PDFInfo
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- CN105764186A CN105764186A CN201610163557.6A CN201610163557A CN105764186A CN 105764186 A CN105764186 A CN 105764186A CN 201610163557 A CN201610163557 A CN 201610163557A CN 105764186 A CN105764186 A CN 105764186A
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- led lamp
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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]
- H05B45/10—Controlling the intensity of the light
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to an LED lamp energy-saving control system, comprising a power supply module, an LED driving module, an environment sensing module, a control module and an LED lamp; wherein the power supply module provides power for the whole control system, the environment sensing module is connected with the control module, the output end of the control module is connected with the LED driving module, the LED driving module is connected with the LED lamp; the LED driving module drives the LED lamp through a control signal outputted by the control module, the core component of the environment sensing module is a photoresistor, the environment sensing module acquires a surrounding environment luminance signal of the LED lamp and transmits the luminance signal to the control module, the control module comprises a microprocessor and a sampling circuit, the control module processes the signal transmitted by the environment sensing module and then outputs a control signal. The LED lamp energy-saving control system is simple in circuit, thus electric energy is saved to a great extent, and the service life of the LED lamp is prolonged. The whole LED lamp energy-saving control system achieves intelligent and energy-saving effects, and improves an illumination environment, in addition, the stable brightness adjustment mode enables illumination of the LED lamp to be safer and more comfortable, thereby achieving a big application value.
Description
Technical field
The present invention relates to technical field of LED illumination, particularly relate to a kind of LED energy-saving control system.
Background technology
The energy resource consumption of current flood tide and the energy shortage thus caused, rise in price etc. make to save the energy becomes a very urgent task.The energy that various countries consume is used for illuminating greatly.Current most domestic illumination management system is still continuing to use the traditional control methods such as simply light-operated, clock until now.These system ubiquities be difficult to feedback lamp running state information, be difficult to the limitation such as long-range control, be substantially free of power savings, and adopt traditional manual operation, the task of not only making administration section is heavy, too increases the expense of operation maintenance.
LED illumination is also known as solid-state illumination, as the third generation lighting engineering after electric filament lamp, fluorescent lamp, having energy-saving and environmental protection, safe and reliable feature, the future that solid state light emitter is had an optimistic view of by industry replaces the new type light source of traditional lighting utensil great potential, represents the future of lighting engineering.Develop new solid-state illumination, be not only the revolution of lighting field, and meet the requirement of " Resources for construction economizing type and friendly environment society " that current governmental proposes.But, in actual application, it has been found that LED still with same power light-emitting, exists waste of energy when periphery brightness is big.So development LED power-saving technology is just particularly important.
LED has the plurality of advantages such as volume is little, power consumption is low, life-span length, asepsis environment-protecting.The brightness of LED is determined by by the size of current of LED, change the size of current by LED two sections, PWM light regulating technology can be adopted, the basic thought of PWM method is exactly the PWM port utilizing single-chip microcomputer to have, under the premise not changing PWM square-wave cycle, control depositor by the PWM of the method for software adjustment single-chip microcomputer and adjust the dutycycle of PWM, thus controlling size of current.
By PWM light regulating technology, thus it is possible to vary the brightness of LED, thus saving the energy.But it is not also too perfect that existing light regulating technology changes LED brightness, it does not have consider the impact of many factors completely.The brightness flop of LED is too violent by the impact of extraneous factor, and change is rapidly, it does not have consider the brightness flop injury to human eye of acute variation；Also having is exactly that LED brightness flop is affected by environment bigger, it does not have the scope of restriction LED brightness flop, causes LED to be greatly reduced and unnecessary energy waste service life.
Summary of the invention
For the defect that prior art exists, it is an object of the invention to provide a kind of LED energy-saving control system, make LED can change luminosity with the change of ambient brightness, and centered by Man's Demands, reach energy-saving effect.
For solving the problems referred to above, the present invention adopts the following technical scheme that
A kind of LED energy-saving control system, including power module, LED drive module, environmentally sensitive module, control module and LED, described power module gives whole control system power supply, described environmentally sensitive module is connected with controlling module, described control module outfan is connected with LED drive module, and described LED drive module is connected with LED；Described LED drive module by control module output control signal to drive LED, described its core component of environmentally sensitive module is photoconductive resistance, gather LED surrounding enviroment luminance signal and be transported to control module, described control module includes microprocessor and sample circuit, output control signal after the signal processing carry environmentally sensitive module.
The microprocessor of described control module adopts STC15F2K60S2.
Described environmentally sensitive module adopts photo controller PS-001, is automatically adjusted voltage and pulse-width signal (PWM) according to intensity of illumination.
Described control module input/output signal adopts filtering mode to process signal, and the signal making collection and output is more stable, and adjusting brightness of LED lamps is slowly varying rather than cataclysm, extends LED service life；Adopt delays time to control, it is to avoid cause being continually changing of LED brightness because of surrounding environment change too soon, be adapted to the regulating power of human eye, meet the demand of hommization.
Described environmentally sensitive module and photo controller PS-001 can arrange light intensity output mode, limit change with adjusting brightness of LED lamps including " light intensity lower limit ", " the light intensity upper limit ", " correction coefficient ", " output gap time " four kinds of parameters, reduce the impact of external interference.More save the energy, extend LED service life.
The present invention compared with prior art, has following prominent substantive distinguishing features and remarkable advantage:
1, the present invention controls system employing STC15F2K60S2 single-chip microcomputer, makes whole system capacity of resisting disturbance be greatly enhanced, and voltage is low, and power consumption is few, processes signal speed fast.
2, in control system of the present invention, software design have employed filtered version and processes the input/output signal obtained, alleviate the vibration of signal, eliminate useless signal, the signal making collection and output is more stable, reach that LED brightness is slowly varying rather than the purpose of cataclysm, extend LED service life.
3, in control system of the present invention, software design have employed delays time to control pattern, makes the brightness flop that LED drive module regulates lamp be adapted to the regulating power of human eye, meets the demand of hommization.
4, the present invention controls system employing photo controller PS-001, light intensity output mode can be set in software design, limit change with adjusting brightness of LED lamps including " light intensity lower limit ", " the light intensity upper limit ", " correction coefficient ", " output gap time " four kinds of parameters, reduce the impact of external interference.
Accompanying drawing explanation
Fig. 1 is the general frame of the LED energy-saving control system of the present invention.
Fig. 2 is the design principle figure of the LED energy-saving control system of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
As depicted in figs. 1 and 2, a kind of LED energy-saving control system, including power module, LED drive module, environmentally sensitive module, control module and LED, described power module gives whole control system power supply, described environmentally sensitive module is connected with controlling module, described control module outfan is connected with LED drive module, and described LED drive module is connected with LED；Described LED drive module by control module output control signal to drive LED, described its core component of environmentally sensitive module is photoconductive resistance, gather LED surrounding enviroment luminance signal and be transported to control module, described control module includes microprocessor and sample circuit, output control signal after the signal processing carry environmentally sensitive module.
The microprocessor of described control module adopts STC15F2K60S2.
Described environmentally sensitive module adopts photo controller PS-001, is automatically adjusted voltage and pulse-width signal according to intensity of illumination.
Described control module input/output signal adopts filtering mode to process signal, and the signal making collection and output is more stable, and adjusting brightness of LED lamps is slowly varying rather than cataclysm, extends LED service life；Adopt delays time to control, it is to avoid cause being continually changing of LED brightness because of surrounding environment change too soon, be adapted to the regulating power of human eye, meet the demand of hommization.
The work process of the present invention is as follows:
After whole control system energization, first the resource that single-chip microcomputer is inside and outside is initialized by the mastery routine in control system, then calls each functional module successively.A/D sampling routine is called by main program cycle, and the analog-signal transitions collected by photo controller becomes digital signal, delivers to data buffer zone data and be available for other routine call after digital filtering.After system controller receives order, internal control registers set, start programmable counter array (PCA)/PWM work, export adjustable PWM, it is achieved the function of light modulation.Delay function is set by program, by controlling the control message delay of module output, makes LED drive module deferred action, it is to avoid cause the frequent movement of control system because of LED surrounding brightness acute variation, cause LED to coruscate.Bound corresponding relation by the bound of software design patterns photo controller PS-001 " light intensity lower limit ", " the light intensity upper limit ", " correction coefficient ", " output gap time " four kinds of parameters and intensity of illumination with output control signal amplitude (voltage or dutycycle), this example is set to negative correlation, ensures that LED is stable, safe and efficient work.
Claims (4)
1. a LED energy-saving control system, it is characterized in that: include power module, LED drive module, environmentally sensitive module, control module and LED, described power module gives whole control system power supply, described environmentally sensitive module is connected with controlling module, described control module outfan is connected with LED drive module, and described LED drive module is connected with LED；Described LED drive module by control module output control signal to drive LED, described its core component of environmentally sensitive module is photoconductive resistance, gather LED surrounding enviroment luminance signal and be transported to control module, described control module includes microprocessor and sample circuit, output control signal after the signal processing carry environmentally sensitive module.
2. LED energy-saving control system according to claim 1, it is characterised in that: the microprocessor of described control module adopts STC15F2K60S2.
3. LED energy-saving control system according to claim 1, it is characterised in that: described environmentally sensitive module adopts photo controller PS-001, is automatically adjusted voltage and pulse-width signal according to intensity of illumination.
4. LED energy-saving control system according to claim 1, it is characterized in that: described control module input/output signal adopts filtering mode to process signal, the signal making collection and output is more stable, and adjusting brightness of LED lamps is slowly varying rather than cataclysm, extends LED service life；Adopt delays time to control, it is to avoid cause being continually changing of LED brightness because of surrounding environment change too soon, be adapted to the regulating power of human eye, meet the demand of hommization.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163557.6A CN105764186A (en) | 2016-03-19 | 2016-03-19 | LED lamp energy-saving control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610163557.6A CN105764186A (en) | 2016-03-19 | 2016-03-19 | LED lamp energy-saving control system |
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| CN105764186A true CN105764186A (en) | 2016-07-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734791A (en) * | 2017-11-22 | 2018-02-23 | 广东工业大学 | LED light group control method, device, LED advisement lamp case and control system |
| CN108966427A (en) * | 2018-08-20 | 2018-12-07 | 常州星宇车灯股份有限公司 | A kind of automatic brightness adjustment signal lamp control system |
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| CN101854764A (en) * | 2010-06-18 | 2010-10-06 | 扬州天白科技发展有限公司 | Device for intelligent control of LED indoor illumination |
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Application publication date: 20160713 |