CN102083251A - LED dimming sensor - Google Patents
LED dimming sensor Download PDFInfo
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- CN102083251A CN102083251A CN2009102523879A CN200910252387A CN102083251A CN 102083251 A CN102083251 A CN 102083251A CN 2009102523879 A CN2009102523879 A CN 2009102523879A CN 200910252387 A CN200910252387 A CN 200910252387A CN 102083251 A CN102083251 A CN 102083251A
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Abstract
The invention relates to an LED dimming sensor which comprises a microprocessor module as well as a microwave collection module, an infrared collection module, an illuminance collection module, a bus communication module used for receiving a remote control command and a dimming module used for LED brightness adjustment, which are connected with the microprocessor module, wherein an optoelectronic isolation circuit is arranged between the microprocessor module and the dimming module. The dimming sensor can be compatible with a traditional human body sensing lamp to realize the dimming and the switching control of LED light sources widely applied at present and has the advantages of more reliable and stable detection effect, effective avoidance to interferences and good energy saving effect; meanwhile, the sensor also can be used as a node of a D_BUS control system and coordinates to work with other modules in the system through the bus communication circuit so as to form a complicated control system, make up the deficiency of single scene control of the traditional human body sensing lamp and achieve the effect of outputting any scene.
Description
Technical field
The present invention relates to the intelligent lighting field, specifically be meant a kind of LED light modulation inductor.
Background technology
Traditional infrared or microwave induced lamp exists the rate of false alarm height that temperature influence is big, be subject to toy and other environmental interference, and problems such as sensitivity, less stable.Therefore three mirror Detection Techniques have been proposed, adopt microwave, infrared and illumination technology, walk about by far-infrared spectrum that ambient light illumination value, human body are sent and human body and to produce the collection of doppler shifted signal and carry out intellectual analysis, quantize to calculate, exactly human body is moved and make identification, realize the stable control of sense light.
But the no specific aim of existing tri-testing type inductor ubiquity control causes dimming effect poor, the control problem of unstable.For the LED lamp, the application of LED own just is its energy saving and stability, and existing LED light modulating device all disturbs because of being subject to, and the rate of false alarm height causes its energy-saving effect poor.And existing light modulation inductor control scene is single, fixing, can only realize the switch control to light source, can't be configured the output scene, can't the establishment system realize system's centralized control.
Summary of the invention
The problem that the present invention need solve provides a kind of employing three mirror LED light modulation inductor Detection Techniques, stable performance at the LED lamp.
According to the above-mentioned problem that needs solution, the technical scheme that the present invention takes is: a kind of LED light modulation inductor is provided, comprise microprocessor module and connected microwave acquisition module, infrared acquisition module, illumination acquisition module, also comprise with the microprocessor module signal being connected the bus communication module that is used for the receiving remote control command.
Described LED light modulation inductor further comprises the light-adjusting module that is used for LED brightness adjustment, and described light-adjusting module is connected with microprocessor module; Be provided with photoelectric isolating circuit between described microprocessor and the light-adjusting module.
Concrete, compatible RS485 interface of described bus communication module and DMX512 interface.
Concrete, described light-adjusting module comprises a triode and a field effect transistor, described microprocessor output control signal is controlled the triode conducting or is ended, and then level led before the control optocoupler, and grade coupled signal end control is connected the conducting of field effect transistor by the realization light modulation behind the optocoupler with the LED negative pole; Described microwave acquisition module comprise one can sense object the transducer of motion, described sensor signal output is connected to microprocessor A/D thief hatch by signal amplification circuit; Described infrared acquisition module comprises infrared inductor, and described infrared inductor signal output part is connected to microprocessor one A/D thief hatch by signal amplification circuit; Described illumination acquisition module comprises the luminance sensor that is connected with microprocessor signals, and described luminance sensor negative pole connects power vd D, and anodal the connection by electric capacity, grounding through resistance in parallel, positive pole also is connected to microprocessor one A/D thief hatch simultaneously.
With respect to prior art, beneficial effect of the present invention is:
With respect to prior art, beneficial effect of the present invention is:
(1) applying flexible of the present invention can be used as a node of D_BUS bus control system, by other module co-ordinations in bus communication module and the system, forms the control system of a complexity, realizes the system intelligence centralized control;
(2) LED light modulation inductor of the present invention can be realized effective light modulation to led light source, adopts the fine adjustments of PWM digital dimming technology realization light-source brightness, and is effectively energy-conservation, and stable performance;
(3) the present invention can be compatible mutually with traditional human body inductive lamp, realizes light modulation and switch control to light source, and have more reliable and stable Effect on Detecting, effectively avoids interference good energy-conserving effect.
Description of drawings
Fig. 1 is that described light modulation inductor principle is formed schematic block diagram;
Fig. 2 is described light modulation inductor embodiment circuit theory schematic diagram.
Embodiment
Understanding for the ease of those skilled in the art is described in further detail the present invention below in conjunction with accompanying drawing:
Light modulation inductor principle is formed schematic block diagram as described in as Fig. 1 being.The present invention includes microprocessor module and connectedly be used to gather the microwave acquisition module of external environment information, infrared acquisition module and illumination acquisition module, and comprise the bus communication module that is used for the receiving remote control command and be used for the light-adjusting module that LED brightness is adjusted that two modules all are connected with microprocessor module.During work, the present invention can be used as a node of D_BUS control system, by bus communication module receiving remote control signal, be transferred to microprocessor, realize the LED light modulation by microprocessor decoding back output control signal to light-adjusting module, and with system in other module co-ordinations realize system's centralized control, realize the effect of any scene of output.Perhaps described light modulation inductor, collect to such an extent that the external environment situation is transferred to microprocessor by microwave acquisition module, infrared acquisition module, illumination acquisition module etc., handle by microprocessor analysis, the signal that detects is judged, output accurately adapts to the brightness control signal of external environment, and realizes the brightness regulation of LED lamp by light-adjusting module output.
The present invention adopts the digital dimming technology, and promptly by the brightness value of microprocessor according to the signal judgement external environment needs that collect, output suitable substance P WM pulse signal is regulated LED brightness by adjustment module.When for example movable frequent period of people or external environment light are dark, lighten the LED lamp and be convenient for people to activity, and at extraneous ambient brightness high or in the dead of night in dim the brightness of LED, effectively energy-conservation.
Embodiment of the invention circuit theory diagrams as shown in Figure 2.Described microprocessor module adopts single chip circuit (U2), and 20,21,22 pin of U2 connect infrared acquisition module, illumination acquisition module, microwave acquisition module respectively, and 13 pin of U2 connect light-adjusting module, 4,5, the 6 pin connecting bus communicating circuits of U2.Microprocessor module also comprises reset circuit and oscillating circuit.
Described microwave acquisition module comprises transducer U4, and described transducer U4 signal output part IF connects the signal amplification circuit of being made up of integrated transporting discharging U1C, U1D, and sensor signal inputs to microprocessor A/D thief hatch (22 pin) after this processing of circuit.
Described infrared acquisition module comprises infrared inductor P1, the signal amplification circuit that described infrared inductor P1 signal output part S forms by integrated transporting discharging U1A, U1B, and this signal inputs to microprocessor A/D thief hatch (20 pin) after treatment.
Described illumination acquisition module comprises luminance sensor D1, and described D1 negative pole connects power vd D, and anodal the connection by capacitor C 16, resistance R 18 ground connection in parallel, positive pole also is connected to microprocessor one A/D thief hatch (21 pin).
In order to guarantee the steady operation of light modulation inductor, signal adopts photoelectricity to isolate between microcontroller and the light-adjusting module, shown in optocoupler U3 among Fig. 2.Described microprocessor output control signal is controlled triode Q2 conducting or is ended, and then level led before the control optocoupler U3, and grade coupled signal end control is connected the conducting of field effect transistor Q4 by the realization light modulation behind the U3 with the LED negative pole.
Can comprise the multichannel light-adjusting module in the LED light modulation inductor of the present invention, be connected respectively by a plurality of I/O mouths of a plurality of photoelectric isolating circuits and microcontroller.
Described light modulation inductor bus communication module comprises communication chip U6, and the 1-4 pin of U6 is connected with microprocessor module, and 6,7 pin receiving remote control signals are transferred to microprocessor, realizes light modulation by microprocessor decoding back according to system command control light-adjusting module.This bus communication module adopts D-BUS bus form, compatible RS485 interface and DMX512 interface; Be provided with the lightning protection circuit of being made up of anti-thunder tube and TVS pipe in the described bus communication module, communication performance is reliable and stable.
Above embodiment can not limit the present invention with this only for the preferable implementation of the present invention, conceives under the prerequisite in the present invention that do not come off, and its any being equal to of doing is replaced and minor variations all belongs to protection scope of the present invention.
Claims (7)
1. LED light modulation inductor, comprise microprocessor module and connected microwave acquisition module, infrared acquisition module and illumination acquisition module, it is characterized in that: also comprise with the microprocessor module signal being connected the bus communication module that is used for the receiving remote control command.
2. LED light modulation inductor according to claim 1 is characterized in that: further comprise being used for the light-adjusting module that LED brightness is adjusted, be provided with photoelectric isolating circuit between described light-adjusting module and microprocessor module.
3. LED light modulation inductor according to claim 2, it is characterized in that: described light-adjusting module comprises triode Q2 and field effect transistor Q4, described microprocessor output control signal is controlled triode Q2 conducting or is ended, and then level led before the control optocoupler U3, grade coupled signal end control is connected the conducting of field effect transistor Q4 by realizing light modulation behind the U3 with the LED negative pole.
4. LED light modulation inductor according to claim 1 is characterized in that: compatible RS485 interface of described bus communication module and DMX512 interface.
5. LED light modulation inductor according to claim 1 is characterized in that: described microwave acquisition module comprises transducer U4, and described transducer U4 signal output part is connected to microprocessor one A/D thief hatch by signal amplification circuit.
6. LED light modulation inductor according to claim 1 is characterized in that: described infrared acquisition module comprises infrared inductor P1, and described infrared inductor P1 signal output part is connected to microprocessor one A/D thief hatch by signal amplification circuit.
7. LED light modulation inductor according to claim 1, it is characterized in that: described illumination acquisition module comprises the luminance sensor D1 that is connected with microprocessor signals, described D1 negative pole connects power vd D, the anodal connection by capacitor C 16, resistance R 18 ground connection in parallel, positive pole also is connected to microprocessor one A/D thief hatch simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102523879A CN102083251A (en) | 2009-11-30 | 2009-11-30 | LED dimming sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102523879A CN102083251A (en) | 2009-11-30 | 2009-11-30 | LED dimming sensor |
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| CN102083251A true CN102083251A (en) | 2011-06-01 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102438358A (en) * | 2011-09-26 | 2012-05-02 | 胡文松 | Passive infrared constant-temperature induction control dim light/all light module |
| CN102612234A (en) * | 2012-04-05 | 2012-07-25 | 深圳市同鑫科技有限公司 | Dimming module for tunnel LED (light-emitting diode) lamps |
| CN103068092A (en) * | 2011-10-19 | 2013-04-24 | 金杰科技股份有限公司 | Automatic dimming power supply |
| CN103068091A (en) * | 2011-10-19 | 2013-04-24 | 金杰科技股份有限公司 | Intelligent power supply regulation and control system |
| CN103096585A (en) * | 2012-12-31 | 2013-05-08 | 广东卓耐普智能技术股份有限公司 | Light emitting diode (LED) intelligent lighting and energy saving control system based on web of things and method |
| CN103643354A (en) * | 2013-12-16 | 2014-03-19 | 张家港市天江精密模具制造有限公司 | Cotton mixing machine for textile machine |
| CN105322936A (en) * | 2015-12-02 | 2016-02-10 | 上海航空电器有限公司 | PBA switch circuit with insulation blocking function |
| CN105939556A (en) * | 2016-06-12 | 2016-09-14 | 中山市调光照明电子有限公司 | Intelligent lighting control system |
| CN108765818A (en) * | 2018-08-23 | 2018-11-06 | 广州优优加智能科技有限公司 | One kind is wireless three mirror detectors and its alarm system |
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| CN2692953Y (en) * | 2002-05-27 | 2005-04-13 | 肖显望 | Microcomputer program-controlled illuminating device capable of turning on or off lamp nearby |
| CN101160004A (en) * | 2007-10-30 | 2008-04-09 | 南开大学 | Intelligent control system of lighting apparatus |
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2009
- 2009-11-30 CN CN2009102523879A patent/CN102083251A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2692953Y (en) * | 2002-05-27 | 2005-04-13 | 肖显望 | Microcomputer program-controlled illuminating device capable of turning on or off lamp nearby |
| CN101160004A (en) * | 2007-10-30 | 2008-04-09 | 南开大学 | Intelligent control system of lighting apparatus |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102438358A (en) * | 2011-09-26 | 2012-05-02 | 胡文松 | Passive infrared constant-temperature induction control dim light/all light module |
| CN103068092A (en) * | 2011-10-19 | 2013-04-24 | 金杰科技股份有限公司 | Automatic dimming power supply |
| CN103068091A (en) * | 2011-10-19 | 2013-04-24 | 金杰科技股份有限公司 | Intelligent power supply regulation and control system |
| CN102612234A (en) * | 2012-04-05 | 2012-07-25 | 深圳市同鑫科技有限公司 | Dimming module for tunnel LED (light-emitting diode) lamps |
| CN102612234B (en) * | 2012-04-05 | 2014-04-02 | 深圳市同鑫科技有限公司 | Dimming module for tunnel LED (light-emitting diode) lamps |
| CN103096585A (en) * | 2012-12-31 | 2013-05-08 | 广东卓耐普智能技术股份有限公司 | Light emitting diode (LED) intelligent lighting and energy saving control system based on web of things and method |
| CN103643354A (en) * | 2013-12-16 | 2014-03-19 | 张家港市天江精密模具制造有限公司 | Cotton mixing machine for textile machine |
| CN105322936A (en) * | 2015-12-02 | 2016-02-10 | 上海航空电器有限公司 | PBA switch circuit with insulation blocking function |
| CN105939556A (en) * | 2016-06-12 | 2016-09-14 | 中山市调光照明电子有限公司 | Intelligent lighting control system |
| CN108765818A (en) * | 2018-08-23 | 2018-11-06 | 广州优优加智能科技有限公司 | One kind is wireless three mirror detectors and its alarm system |
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Address after: 516006 Xintang Industrial Zone, Qiu Long Town, Huiyang District, Guangdong, Huizhou Applicant after: Huizhou Dajing Lighting Control Co., Ltd. Address before: 516006 Guangdong province Huizhou City Zhongkai high tech Development Zone Branch Center B building five floor Applicant before: Huizhou Dajing Lighting Control Co., Ltd. |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20110601 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |