CN204498421U - A kind of Intelligent LED lighting system - Google Patents

A kind of Intelligent LED lighting system Download PDF

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Publication number
CN204498421U
CN204498421U CN201520138169.3U CN201520138169U CN204498421U CN 204498421 U CN204498421 U CN 204498421U CN 201520138169 U CN201520138169 U CN 201520138169U CN 204498421 U CN204498421 U CN 204498421U
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China
Prior art keywords
chip microcomputer
current source
constant current
source driving
driving circuit
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Expired - Fee Related
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CN201520138169.3U
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Chinese (zh)
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朱得亚
姜莉莉
段山宝
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朱得亚
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The utility model provides a kind of Intelligent LED lighting system, and this system comprises single-chip microcomputer, the operational amplification circuit be connected with the input of single-chip microcomputer and Anneta module; The Timing resistor be connected with single-chip microcomputer output, photosensitive regulating resistor and constant current source driving circuit, the power circuit be connected with single-chip microcomputer and constant current source driving circuit; This illuminator also comprises the photodiode be connected with operational amplification circuit; The LED be connected with constant current source driving circuit; The utility model solves existing bulb, and to there is the life-span low, the technical problem that noise pollution is serious simultaneously.It is simple that the utility model has structure, and small volume, is convenient to carry out the advantages such as integrated with other system.

Description

A kind of Intelligent LED lighting system
Technical field
The utility model relates to field of LED illumination, is specifically related to a kind of Intelligent LED lighting system.
Background technology
The paces that traditional lighting makes the transition to LED illumination are accelerated.Relative to LED illumination lamp, the luminance of incandescent lamp bulb only has 5%, and all the other 95% all transform in order to heat exhaustion.And the LED with environmental protection and energy saving when not only turning on light luminous efficiency large, long service life, and the electric power can saving 90%, the more important thing is that its not mercurously waits noxious substance.In addition, the Committee of Development and Reform, the Department of Science and Technology etc. combine " semiconductor lighting energy-saving estate planning " display of issue, and by 2015, more than 60W general lighting incandescent lamp was all eliminated, and occupation rate of market will drop to less than 10%.Meanwhile, from fashion and artistic angle, LED lamp also has larger advantage.In order to more energy-conservation, in life, a lot of place all adopts acoustic control lamp to throw light on, and uses also very convenient, need not grope switch in the dark.Certainly, acoustic control also has drawback, and because the frequency of switch is higher, the life-span of bulb reduces greatly, also result in certain noise pollution simultaneously.
Utility model content
For solving prior art Problems existing, the utility model provides a kind of small volume, is easier to other system integrated, reduces switching frequency, increases the service life, self-induced Intelligent LED lighting system.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of Intelligent LED lighting system, described system comprises single-chip microcomputer, the operational amplification circuit be connected with the input of single-chip microcomputer and Anneta module; The Timing resistor be connected with single-chip microcomputer output, photosensitive regulating resistor and constant current source driving circuit, the power circuit be connected with single-chip microcomputer and constant current source driving circuit; Described illuminator also comprises the photodiode be connected with operational amplification circuit; The LED be connected with constant current source driving circuit; Wherein: power circuit: alternating current is converted to direct current, comprise 12V and 5V, be respectively constant current source driving circuit and single-chip microcomputer is powered.Single-chip microcomputer: the open and close and the brightness that are controlled constant-current source drive chip by PWM; Photodiode: light signal is converted to the signal of telecommunication, after operational amplification circuit 4 processes, exports single-chip microcomputer to; Anneta module: have three output pins, be respectively signal, VDD-to-VSS, the AD pin that signal inputs to single-chip microcomputer is sampled.
Preferably, the amplifier chip that above-mentioned operational amplification circuit adopts is LM358.
Preferably, the chip that above-mentioned single-chip microcomputer adopts is STM8S003, is the microcontroller based on 8 frame structures.
Preferably, the chip that above-mentioned constant current source driving circuit adopts is PT4115.
Preferably, above-mentioned constant current source driving circuit forms by moving back even electric capacity C1, sampling resistor RS1, LED9, inductance L 1, driving chip U1 and Schottky diode D1.
Preferably, the amplitude of oscillation of above-mentioned operational amplification circuit 4 output voltage is 0 to VCC-1.5V.
Preferably, above-mentioned constant current source driving circuit input voltage range is 8V-30V, and output current is adjustable, maximumly reaches 1.2 amperes.
A kind of control method of Intelligent LED lighting system: described control method comprises the following steps:
Step one, is converted to the signal of telecommunication by photodiode by light signal, then after the process of operational amplification circuit amplifier, exports single-chip microcomputer to, and single-chip microcomputer is with this environment-identification luminous intensity;
Step 2, regulates photosensitive regulating resistor, and the signal after adjustment is inputed to the magnitude of voltage of Chip Microcomputer A/D pin, the scope setting this magnitude of voltage is 0-5V, and this magnitude of voltage is as a threshold values, and when light intensity is lower than this threshold values, system enters intelligent control mode;
Step 3, samples the AD pin that the signal of signal, VDD-to-VSS three output pins in Anneta module inputs to single-chip microcomputer, the energy that the amplitude of signal correspondence reflects, and when the amplitude of signal exceedes setting threshold values, system is automatically opened LED and thrown light on; Threshold value setting scope is 0-5V.
Step 4, single-chip microcomputer controls by PWM open and close and the brightness that constant-current source drive chip controls LED;
Step 5, regulates the magnitude of voltage inputing to Chip Microcomputer A/D pin by Timing resistor, this magnitude of voltage is as a reference, and set the retention time after LED unlatching with this, when exceeding the retention time, LED closes automatically.
The utility model has the advantage of:
1, judge whether human body has action to produce by Anneta module, thus realize LED intelligent opening.
2, system can detect light intensity in real time, can select only to realize Based Intelligent Control when night or all can realize Based Intelligent Control day and night.
3, can time delay a period of time after LED intelligent opening, time delay can free setting.
4, native system simplicity of design, small volume, is convenient to carry out integrated with other system.
Accompanying drawing explanation
Mark in the content expressed every width accompanying drawing in the utility model specification below and figure is briefly described:
Fig. 1 is Intelligent LED lighting circuit system block diagram in the utility model;
Fig. 2 is constant current source driving circuit figure in the utility model.
Reference numeral: 1-power circuit; 2-single-chip microcomputer; 3-photodiode; 4-operational amplification circuit; 5-Anneta module; 6-Timing resistor; The photosensitive regulating resistance of 7-; 8-constant current source driving circuit; 9-LED lamp.
Embodiment
Contrast accompanying drawing below, by the description to example, embodiment of the present utility model is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, to help, those skilled in the art conceive utility model of the present utility model, technical scheme has more complete, accurate and deep understanding.
As shown in Figure 1, this system of Intelligent LED lighting system that the utility model provides mainly comprises power circuit 1, single-chip microcomputer 2, photodiode 3, operational amplification circuit 4, Anneta module 5, Timing resistor 6, photosensitive regulating resistance 7, constant current source driving circuit 8, LED 9.
This system power supply circuit produces 12V and 5V stabilized power supply, powers to respectively constant current source driving circuit 8 and single-chip microcomputer 2.The light intensity of environment residing for photodiode 3 detection system, after amplifier is biased, export the signal of certain amplitude to single-chip microcomputer 2, single-chip microcomputer 2 calculates current intensity of illumination according to amplitude signal.
That single-chip microcomputer 2 adopts is a chip STM8S003 of ST, it is the microcontroller based on 8 frame structures, the output signal of STM8S003 receiving light power signal and Anneta module 5, controls constant current source driving circuit 8 by PWM, can realize open and close and the brightness regulation of LED9.
Meanwhile, Anneta module 5 also can detect in real time in its investigative range and be subjected to displacement with or without object, and exports testing result to single-chip microcomputer 2.Single-chip microcomputer 2, according to above-mentioned judgement, controls constant current source driving circuit 8 by PWM, thus the unlatching of control LED or closedown.Adjustable resistor is made up of the Timing resistor 6 and photosensitive regulating resistance 7 connecing Chip Microcomputer A/D pin, realizes Timing and luminous intensity in this system respectively and regulates.The resistance value of Timing resistor 6, can change the magnitude of voltage of corresponding A D pin, the foundation of time delay after opening in this, as LED.By regulating the resistance value of photosensitive regulating resistance 7, can change the magnitude of voltage of corresponding A D pin, in this, as the threshold values of light intensity regulating, the magnitude of voltage detected by photodiode 3 end and this magnitude of voltage contrast, and during lower than threshold values, light intensity is more weak, and LED can open.Wherein the output of Anneta module has three pin, be respectively signal, VDD-to-VSS, the AD pin that signal inputs to single-chip microcomputer 2 is sampled, the corresponding energy reflected of amplitude of signal, when the amplitude of signal exceedes certain scale, system is automatically opened LED9 and is thrown light on.Photodiode 3 connects the inverting input of LM358, its in-phase input end ground connection, adopts the mode across resistance, by current signal signal conversion voltage, exports single-chip microcomputer 2 to.The model that operational amplification circuit 4 adopts is LM358, and output voltage swing is 0 to VCC-1.5V.The chip that constant current source driving circuit 8 adopts is PT4115, and input voltage range is from 8V to 30V, and output current is adjustable, maximumly reaches 1.2 amperes.The driving chip that constant current source driving circuit 8 adopts is PT4115, and input voltage range is from 8V to 30V, and output current is adjustable, maximumly reaches 1.2 amperes.As shown in Figure 2, constant current source driving circuit 8 comprises and moves back even electric capacity C1, sampling resistor RS1, LED9, inductance L 1, driving chip U1, Schottky diode D1.
A kind of LED intelligent control method that the utility model provides is as follows: this control method comprises the following steps:
The first step, is converted to the signal of telecommunication by photodiode by light signal, then after the process of operational amplification circuit amplifier, exports single-chip microcomputer to, and single-chip microcomputer is with this environment-identification luminous intensity;
Second step, regulates photosensitive regulating resistor, and the signal after adjustment is inputed to the magnitude of voltage of Chip Microcomputer A/D pin, the setting range of magnitude of voltage is 0-5V, and this magnitude of voltage is as a threshold values, and when light intensity is lower than this threshold values, system enters intelligent control mode;
3rd step, samples the AD pin that the signal of signal, VDD-to-VSS three output pins in Anneta module inputs to single-chip microcomputer, the energy that the amplitude of signal correspondence reflects, and when the amplitude of signal exceedes setting threshold values, system is automatically opened LED and thrown light on; The scope of threshold value setting is 0-5V.
4th step, single-chip microcomputer controls by PWM open and close and the brightness that constant-current source drive chip controls LED;
5th step, regulates the magnitude of voltage inputing to Chip Microcomputer A/D pin by Timing resistor, this magnitude of voltage is as a reference, and set the retention time after LED unlatching with this, when exceeding the retention time, LED closes automatically.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection range of the present utility model without to improve.

Claims (7)

1. an Intelligent LED lighting system, is characterized in that: described system comprises single-chip microcomputer, the operational amplification circuit be connected with the input of single-chip microcomputer and Anneta module; The Timing resistor be connected with single-chip microcomputer output, photosensitive regulating resistor and constant current source driving circuit, the power circuit be connected with single-chip microcomputer and constant current source driving circuit; Described illuminator also comprises the photodiode be connected with operational amplification circuit; The LED be connected with constant current source driving circuit; Wherein:
Power circuit: alternating current is converted to direct current, comprises 12V and 5V, is respectively constant current source driving circuit and single-chip microcomputer is powered;
Single-chip microcomputer: the open and close and the brightness that are controlled constant-current source drive chip by PWM;
Photodiode: light signal is converted to the signal of telecommunication, after operational amplification circuit process, exports single-chip microcomputer to;
Anneta module: have three output pins, be respectively signal, VDD-to-VSS, the AD pin that signal inputs to single-chip microcomputer is sampled.
2. a kind of Intelligent LED lighting system according to claim 1, is characterized in that: the amplifier chip that described operational amplification circuit adopts is LM358.
3. a kind of Intelligent LED lighting system according to claim 1 and 2, is characterized in that: the chip that described single-chip microcomputer adopts is STM8S003, is the microcontroller based on 8 frame structures.
4. a kind of Intelligent LED lighting system according to claim 3, is characterized in that: the chip that described constant current source driving circuit 8 adopts is PT4115.
5. a kind of Intelligent LED lighting system according to claim 4, is characterized in that:
Described constant current source driving circuit 8 forms by moving back even electric capacity C1, sampling resistor RS1, LED9, inductance L 1, driving chip U1 and Schottky diode D1.
6. a kind of Intelligent LED lighting system according to claim 2, is characterized in that: the amplitude of oscillation of operational amplification circuit output voltage is 0 to VCC-1.5V.
7. a kind of Intelligent LED lighting system according to claim 4, is characterized in that: described constant current source driving circuit input voltage range is 8V-30V, and output current is adjustable, maximumly reaches 1.2 amperes.
CN201520138169.3U 2015-03-11 2015-03-11 A kind of Intelligent LED lighting system Expired - Fee Related CN204498421U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520138169.3U CN204498421U (en) 2015-03-11 2015-03-11 A kind of Intelligent LED lighting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520138169.3U CN204498421U (en) 2015-03-11 2015-03-11 A kind of Intelligent LED lighting system

Publications (1)

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CN204498421U true CN204498421U (en) 2015-07-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104640329A (en) * 2015-03-11 2015-05-20 朱得亚 Intelligent LED (light emitting diode) illuminating system and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104640329A (en) * 2015-03-11 2015-05-20 朱得亚 Intelligent LED (light emitting diode) illuminating system and control method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150722

Termination date: 20160311

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