CN102149238A - Intelligent detection and control system for regional LED (light-emitting diode) illumination - Google Patents
Intelligent detection and control system for regional LED (light-emitting diode) illumination Download PDFInfo
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- CN102149238A CN102149238A CN2010102619925A CN201010261992A CN102149238A CN 102149238 A CN102149238 A CN 102149238A CN 2010102619925 A CN2010102619925 A CN 2010102619925A CN 201010261992 A CN201010261992 A CN 201010261992A CN 102149238 A CN102149238 A CN 102149238A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses an intelligent detection and control system for regional LED (light-emitting diode) illumination, comprising LED lamp bases, a central controller and a ray detection unit, wherein the central controller serving as a control core is connected with a plurality of LED lamp bases and the ray detection unit; the LED lamp bases comprise an LED array, a constant-current unit, an intelligent driving unit, a temperature detection unit and a constant-voltage unit; and the central controller comprises a microprocessor, a peripheral fault alarming unit connected with the microprocessor, a working state display unit, a signal amplification unit, a data storing unit and the constant-voltage unit. According to the system, factory rays can be scientifically distributed to avoid the disadvantage that factory illumination is too strong or too week; more energy is saved, the LED power can be intelligently regulated according to the intensity of outside ray under the condition of keeping even and stable factory illumination degree; important parameters can be provided for energy audit by the data storing unit, the display unit and the like; and thus, the LED lamp has longer service life.
Description
Technical field
The present invention relates to a kind of LED illumination intelligent detection and control system, relate in particular to LED illumination intelligent detection and control system in the factory area.
Background technology
The energy-saving effect of LED illuminating lamp by everybody extensively approval, but under the prior art condition, the cost of LED illuminating lamp product is higher, how to respond the low carbon emission reduction of government and call, wideling popularize energy-conservation product such as LED illuminating lamp is the brand-new challenge that enterprise faces.EMC (Energy Management Contract) operating mode is undoubtedly the catalyst of LED illuminating lamp product promotion, yet the enforcement success or failure key of EMC pattern is the economic benefit of the energy-conservation generation of LED illuminating lamp, power savings except LED illuminating lamp self, also need a cover LED illuminating lamp detection control system and further reduce the electricity charge, make simultaneously good illuminating effect is arranged in the field of illumination, and the useful life of prolongation light fixture, yet do not have such cover system in the market.
Summary of the invention
The present invention is for solving the shortcoming in the existing above-mentioned technology, allowing the EMC operating mode carry out more efficiently and produce.
The present invention is to be basic object with energy-conservation products such as LED light fixtures, make up a cover area L ED illumination intelligent detection and control system, concrete technical scheme is: system comprises LED lamp holder, central controller, light detecting unit, and central controller is connecting several LED lamp holders and light detecting unit as the control core.Wherein the LED lamp holder comprises: led array, constant current unit, intelligent drives unit, temperature detecting unit, constant voltage unit.
The temperature detecting unit of EMC cap part is connected between led array and the intelligent drives unit, mainly is made up of temperature sensor on the LED aluminium base and the thermistor that is connected in the led array; The constant current unit is connected between led array and the intelligent drives unit, adopt chip MAX16824 have three road 36V specified, open with Louing, constant current suction fan-out capability, can go here and there LED independently to three drive current up to 150mA is provided, and can provide three road PWM light modulations input, respectively go here and there the brightness of LED to be used for independent control, and changeable conducting and shutoff of respectively going here and there LED; Led array comprises a string warm white LED combination, the cold white light LEDs combination of two strings; The contained microprocessor in intelligent drives unit is 8 single-chip microcomputer 9S08AW32 of freescale, is the automotive grade chip, can satisfy the adverse circumstances need of work, contains 16 tunnel 10 AD conversions, I
2PORT COM such as C, SPI can satisfy requirement herein, and the intelligent drives unit reads central controller and passes the signal of coming, the PWM pin of control constant current unit chip MAX16824, and then the luminosity of warm white LEDs of control and cold white LEDs; The constant voltage unit is connecting the intelligent drives unit, and chip used is infineon company's T LE6389, has main output and closes, and exports under-voltage time-delay and restarts functions such as short-circuit protection.
Central controller comprises: microprocessor and peripheral coupled fault alarm unit, operating state display unit, signal amplification unit, data storage cell, constant voltage unit.
The used microprocessor of central controller is freescale16 position single-chip microcomputer MC9S12XDP512, because the present invention is the service of EMC business model, therefore to requiring high useful life, this chip is the chip of automotive grade, satisfy the instructions for use under the adverse circumstances, MC9S12XDP512 has Dram access (DMA) function, interruption is independent of the CPU operation, the XGate controller can be set to carry out complicated work, and all these characteristics have determined MC9S12XDP512 can satisfy exigent real-time design here; Signal amplification unit is in order to guarantee that the optical sensor picked up signal can effectively be gathered by single-chip microcomputer; The operating state display unit adopts the dot matrix LCD display, the support Chinese character shows, the status data of display system operation, comprise: current system works electric current, voltage, system boot running time, optical sensor brightness value, LED lamp temperatures value, fault message etc., it is used that the relevant parameter of its record can be used as the EMC energy auditing, and chip for driving adopts SSD1780; Fault alarm unit major control buzzer, when system occurs when unusual, buzzer call, can read the fault message of LCD display this moment, in time goes and finds out what's going on so that investigate; The constant voltage unit guarantees operate as normal such as single-chip microcomputer.
The critical piece optical sensor of light detecting unit comprises the two independent optical conversion element with the tsl2561 of TEXAS company, and output signal can adopt simulation output or I flexibly
2The C way of output, the fastest 400kHz that reaches of sample frequency, sampling precision can reach 4lux; The constant voltage unit guarantees chip tsl2561 operate as normal.
During system construction, place light detecting unit A on factory window next door, it act as and detects external environment light intensity (mainly being sun light intensity), the intensity of suitably regulating the LED light fixture according to this extraneous ambient compensation light intensity, promptly when solar light irradiation is sufficient, reduce the luminosity of LED light fixture, his benefit be except can energy-conservationly alleviating the pressure of LED light fixture heat radiation, increases LED light fixture useful life indirectly; Place light detecting unit B in central authorities of factory, its effect is to detect the whole light intensity of the environment of plant, for central controller provides the calculating reference frame; Place light detecting unit C near workman's workbench, its effect is directly to detect factory's effective lighting situation, for the compensation of central controller calculating optical provides foundation.
The invention has the beneficial effects as follows: a, make plant area's distribution of light science, the abundant detection of factory's light illumination is drawn the intensity and the distribution of needs illumination by the light detecting unit, under the adjusting of central controller, make plant area's science more of throwing light on, solve the single uncontrollable defective of traditional lighting mode brightness, avoid occurring that plant area threw light on by force or weak excessively rough sledding; B, more energy-conservation, itself just has appreciable energy-saving effect the LED light fixture, and generation of the present invention makes full use of the compensation of sunlight to system, satisfy under the uniform and stable situation of plant area's illumination can extraneous light strong and weak intelligence regulate LED power; C, data storage cell and display unit can the recorded and stored system operational parameters, because native system is to serve for the EMC operating mode, so these system parameterss are extremely important concerning energy auditing; D, life-span are longer, because the automatic regulatory function of central controller both can reach energy-conservation effect, the heat radiation pressure of the LED light fixture that reduces again can make the LED light fixture have longer useful life simultaneously.
Description of drawings
The present invention will be further described below in conjunction with accompanying drawing and concrete execution mode.
Fig. 1 is a structural principle block diagram of the present invention.
Fig. 2 is a LED holder structure theory diagram of the present invention.
Fig. 3 is a central processing unit structural principle block diagram of the present invention.
Fig. 4 is a constant current element circuit schematic diagram of the present invention.
Fig. 5 is a constant voltage element circuit schematic diagram of the present invention.
Fig. 6 is signal amplification unit circuit theory diagrams of the present invention.
Fig. 7 is a LCD display drive circuit schematic diagram of the present invention.
Fig. 8 is a light detection cell circuit schematic diagram of the present invention.
Embodiment
Specify the present invention below in conjunction with embodiment.
As Fig. 1, system comprises LED lamp holder, central controller, light detecting unit in the present embodiment, and central controller is connecting several LED lamp holders and light detecting unit as the control core.Wherein LED lamp holder such as Fig. 2 comprise: led array, constant current unit, intelligent drives unit, temperature detecting unit, constant voltage unit.Central controller such as Fig. 3 comprise: microprocessor and peripheral coupled fault alarm unit, operating state display unit, signal amplification unit, data storage cell, constant voltage unit.
The temperature detecting unit of EMC cap part is connected between led array and the intelligent drives unit, mainly is made up of temperature sensor on the LED aluminium base and the thermistor that is connected in the led array; Be connected between led array and the intelligent drives unit as Fig. 4 constant current unit, adopt chip MAX16824 have three road 36V specified, open with Louing, constant current suction fan-out capability, can go here and there LED independently to three drive current up to 150mA is provided, and can provide three road PWM light modulations input, respectively go here and there the brightness of LED to be used for independent control, and changeable conducting and shutoff of respectively going here and there LED; Led array such as Fig. 2 comprise a string warm white LED combination, the cold white light LEDs combination of two strings; The contained microprocessor in intelligent drives unit is 8 single-chip microcomputer 9S08AW32 of freescale, is the automotive grade chip, can satisfy the adverse circumstances need of work, contains 16 tunnel 10 AD conversions, I
2PORT COM such as C, SPI can satisfy requirement herein, and the intelligent drives unit reads central controller and passes the signal of coming, the PWM pin of control constant current unit chip MAX16824, and then the luminosity of warm white LEDs of control and cold white LEDs; The constant voltage unit is connecting the intelligent drives unit, and chip used is infineon company's T LE6389, has main output and closes, and export under-voltage time-delay and restart, functions such as short-circuit protection, as shown in Figure 5.
The used microprocessor of central controller is freescale16 position single-chip microcomputer MC9S12XDP512, because the present invention is the service of EMC business model, therefore to requiring high useful life, this chip is the chip of automotive grade, satisfy the instructions for use under the adverse circumstances, MC9S12XDP512 has Dram access (DMA) function, interruption is independent of the CPU operation, the XGate controller can be set to carry out complicated work, and all these characteristics have determined MC9S12XDP512 can satisfy exigent real-time design here; Signal amplification unit such as Fig. 6 are in order to guarantee that the optical sensor picked up signal can effectively be gathered by single-chip microcomputer; The operating state display unit adopts the dot matrix LCD display, the support Chinese character shows, the status data of display system operation comprises: current system works electric current, voltage, system boot running time, the optical sensor brightness value, LED lamp temperatures value, fault message etc., it is used that the relevant parameter of its record can be used as the EMC energy auditing, chip for driving adopts SSD1780, and drive circuit is seen accompanying drawing 7; Fault alarm unit major control buzzer, when system occurs when unusual, buzzer call, can read the fault message of LCD display this moment, in time goes and finds out what's going on so that investigate; The constant voltage unit guarantees operate as normal such as single-chip microcomputer, sees accompanying drawing 5.
The light detecting unit is seen the tsl2561 of the critical piece optical sensor of accompanying drawing 8 with TEXAS company, comprises the two independent optical conversion element, and output signal can adopt simulation output or I flexibly
2The C way of output, the fastest 400kHz that reaches of sample frequency, sampling precision can reach 4lux; The constant voltage unit guarantees chip tsl2561 operate as normal, sees accompanying drawing 5.
During the plant area system construction, place light detecting unit A on factory window next door, it act as and detects external environment light intensity (mainly being sun light intensity), the intensity of suitably regulating the LED light fixture according to this extraneous ambient compensation light intensity, promptly when solar light irradiation is sufficient, reduce the luminosity of LED light fixture, his benefit be except can energy-conservationly alleviating the pressure of LED heat radiation, increases LED light fixture useful life indirectly; Place light detecting unit B in central authorities of factory, its effect is to detect the whole light intensity of the environment of plant, for central controller provides the calculating reference frame; Place light detecting unit C near workman's workbench, its effect is directly to detect factory's effective lighting situation, for the compensation of central controller calculating optical provides foundation.
The present invention is not limited to the foregoing description, and protection scope of the present invention is all classified in any equivalent concepts or change in the technical scope that the present invention discloses as.
Claims (2)
1. area L ED illumination intelligent detection and control system, it is characterized in that: system comprises LED lamp holder, central controller, light detecting unit, central controller is connecting several LED lamp holders and light detecting unit as the control core; Wherein said LED lamp holder comprises led array, constant current unit, intelligent drives unit, temperature detecting unit, constant voltage unit; Central controller comprises microprocessor and peripheral coupled fault alarm unit, operating state display unit, signal amplification unit, data storage cell, constant voltage unit;
The temperature detecting unit of described EMC cap part is connected between led array and the intelligent drives unit, mainly is made up of temperature sensor on the LED aluminium base and the thermistor that is connected in the led array; The constant current unit is connected between led array and the intelligent drives unit, employing have three road 36V specified, open Lou, chip MAX16824 that constant current sucks fan-out capability, go here and there LED independently to three drive current up to 150mA is provided, and provide three road PWM light modulations input, respectively go here and there the brightness of LED to be used for independent control, and switch and respectively go here and there conducting and the shutoff of LED; Led array comprises a string warm white LED combination, the cold white light LEDs combination of two strings; The contained microprocessor in intelligent drives unit is 8 single-chip microcomputer 9S08AW32 of freescale, the intelligent drives unit reads central controller and passes the signal of coming, the PWM pin of control constant current unit chip MAX16824, and then the luminosity of warm white LEDs of control and cold white LEDs; The constant voltage unit is connecting the intelligent drives unit, and chip used is infineon company's T LE6389;
The used microprocessor of described central controller is freescale16 position single-chip microcomputer MC9S12XDP512; Signal amplification unit assurance optical sensor picked up signal can effectively be gathered by single-chip microcomputer; The operating state display unit adopts the dot matrix LCD display, and chip for driving adopts SSD1780; Fault alarm unit major control buzzer; The constant voltage unit guarantees the single-chip microcomputer operate as normal.
The critical piece optical sensor of described light detecting unit comprises the two independent optical conversion element with the tsl2561 of TEXAS company.
2. a kind of area L ED illumination intelligent detection and control system as claimed in claim 1, it is characterized in that: place light detecting unit A on factory window next door, detect the external environment light intensity, the intensity of suitably regulating the LED light fixture according to this extraneous ambient compensation light intensity; Place light detecting unit B in central authorities of factory, detect the whole light intensity of the environment of plant, for central controller provides the calculating reference frame; Near workman's workbench, place light detecting unit C, directly detect factory's effective lighting situation, for the compensation of central controller calculating optical provides foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102619925A CN102149238A (en) | 2010-08-25 | 2010-08-25 | Intelligent detection and control system for regional LED (light-emitting diode) illumination |
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| CN2010102619925A CN102149238A (en) | 2010-08-25 | 2010-08-25 | Intelligent detection and control system for regional LED (light-emitting diode) illumination |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883506A (en) * | 2012-09-21 | 2013-01-16 | 东南大学 | Method for dynamically controlling temperature of central area of array light emitting diode (LED) lighting lamp |
| CN103458570A (en) * | 2013-08-20 | 2013-12-18 | 苏州康华净化***工程有限公司 | Workshop illuminating system |
| CN103528678A (en) * | 2013-10-30 | 2014-01-22 | 成都市宏山科技有限公司 | Light intensity detection circuit |
| CN103596331A (en) * | 2013-10-30 | 2014-02-19 | 江苏科技大学 | Street lamp control device and method allowing brightness to be adjusted according to light intensity changes |
| CN105812715A (en) * | 2016-03-21 | 2016-07-27 | 深圳市富艾德科技有限公司 | Sound image real time interaction device based on Internet of Things technique |
| CN109168218A (en) * | 2018-09-25 | 2019-01-08 | 四川大学 | A kind of regulatable classroom intelligent lighting management system of light |
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| US20030090210A1 (en) * | 2001-11-13 | 2003-05-15 | Rensselaer Polytechnic Institute | Photosensor and control system for dimming lighting fixtures to reduce power consumption |
| CN101598309A (en) * | 2009-07-07 | 2009-12-09 | 广州钒浦新能源发展有限公司 | A kind of LED street lamp with intelligent detection and control system |
| CN101662863A (en) * | 2008-08-27 | 2010-03-03 | 南京汉德森科技股份有限公司 | Intelligent control system for LED tunnel lamps and method for controlling LED tunnel lamps |
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2010
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030090210A1 (en) * | 2001-11-13 | 2003-05-15 | Rensselaer Polytechnic Institute | Photosensor and control system for dimming lighting fixtures to reduce power consumption |
| CN101662863A (en) * | 2008-08-27 | 2010-03-03 | 南京汉德森科技股份有限公司 | Intelligent control system for LED tunnel lamps and method for controlling LED tunnel lamps |
| CN101598309A (en) * | 2009-07-07 | 2009-12-09 | 广州钒浦新能源发展有限公司 | A kind of LED street lamp with intelligent detection and control system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883506A (en) * | 2012-09-21 | 2013-01-16 | 东南大学 | Method for dynamically controlling temperature of central area of array light emitting diode (LED) lighting lamp |
| CN102883506B (en) * | 2012-09-21 | 2014-10-29 | 东南大学 | Method for dynamically controlling temperature of central area of array light emitting diode (LED) lighting lamp |
| CN103458570A (en) * | 2013-08-20 | 2013-12-18 | 苏州康华净化***工程有限公司 | Workshop illuminating system |
| CN103528678A (en) * | 2013-10-30 | 2014-01-22 | 成都市宏山科技有限公司 | Light intensity detection circuit |
| CN103596331A (en) * | 2013-10-30 | 2014-02-19 | 江苏科技大学 | Street lamp control device and method allowing brightness to be adjusted according to light intensity changes |
| CN105812715A (en) * | 2016-03-21 | 2016-07-27 | 深圳市富艾德科技有限公司 | Sound image real time interaction device based on Internet of Things technique |
| CN109168218A (en) * | 2018-09-25 | 2019-01-08 | 四川大学 | A kind of regulatable classroom intelligent lighting management system of light |
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Application publication date: 20110810 |