CN101511143A - High-power led wireless intelligent control system - Google Patents
High-power led wireless intelligent control system Download PDFInfo
- Publication number
- CN101511143A CN101511143A CNA2009100381939A CN200910038193A CN101511143A CN 101511143 A CN101511143 A CN 101511143A CN A2009100381939 A CNA2009100381939 A CN A2009100381939A CN 200910038193 A CN200910038193 A CN 200910038193A CN 101511143 A CN101511143 A CN 101511143A
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Abstract
The invention relates to a high-power LED intelligent control system which includes a MCU center controller, a constant current drive circuit, a high power LED array, an optical detector, a temperature sensor, a memorizer and a wireless communication module. The system regards the MCU center controller as a core, the constant current drive circuit is controlled by the controller for adjusting the output current size, correspondingly, adjusting high power LED brightness; the optical detector, the temperature sensor, the memorizer and the wireless communication module also connect with the center controller. The system provided by the invention can intelligent control LED lamp input current size, make the LED chip junction temperature lower than threshold that can increase LED lamp working life, and record LED lamp working parameter convenient to follow detection timely, and detect LED lamp fault with low cost. The system has advantages of high efficiency, flexible, intelligent and energy saving. One important characteristic of the system is that the system can wireless remote control LED road lamp or channel lamp, realize downloading key LED working parameter timely, is convenient for managing the LED lighting system, reduce operating cost for managing the LED lighting system, and also embody advantage of the LED lighting with high efficiency and energy saving.
Description
Technical field
The present invention relates to the high-power illumination applied technical field, particularly relate to a kind of high-power LED wireless intelligent control system.
Background technology
Present high-power LED lamp major part all is simple direct lighting, lacks necessary Based Intelligent Control, some Based Intelligent Control is perhaps arranged, but can not detect the illuminating position of light fixture automatically, can not manually regulate and control light fixture easily.Existing illumination management system mostly adopts wire cable control lighting, can not intelligence regulates the brightness of light fixture; Existing illumination management system adopts telecommunication cable to connect control centre and LED light fixture, the LED light fixture regulated and control, and the communication protocol complexity, construction cost and operation cost are higher.
Summary of the invention
Technical problem to be solved by this invention overcomes the existing defective of above-mentioned high-power LED lamp exactly, and the wireless control system of a kind of low cost, intelligence is provided.
Purpose of the present invention can be achieved through the following technical solutions: high-power LED wireless intelligent control system, it is characterized in that, and comprising:
MCU central controller as the control core;
Constant-current drive circuit, the stable electric current that is used to high-power LED array to provide;
Clock circuit is used to MCU central controller and wireless communication module that clock reference is provided;
Reset circuit is used to MCU central controller and wireless communication module that power-on reset signal is provided;
Optical detector is used to detect the brightness of LED light fixture;
Temperature sensor is used to detect the temperature of LED light fixture;
Memory, the illumination condition information that is used to store the LED light fixture;
Wireless communication module is used to send LED light fixture state information, and receives external control signal;
Described optical detector, temperature sensor all are connected to central controller by the I/O interface; Memory is connected with central controller with data/address bus by address bus; Constant-current drive circuit is connected to central controller by control bus, receives the adjustment signal of controller; Wireless communication module is connected with central controller by the SPI interface, reads the light fixture state information of preserving in the memory by central controller, externally sends to the fault detect car then; Simultaneously, wireless communication module can receive the adjustment signal that control centre or fault detect car send, and the LED light fixture is regulated and control.
The optical pickocff that is installed in the lamp light source part detects brightness, illumination or the light quantity signal of light fixture, through the A/D conversion, converts digital signal to, is input to the MCU controller; The temperature sensor that is installed in lamp interior detects the temperature of light fixture, through the A/D conversion, is input to the MCU controller.MCU is inner through programming, and the light fixture running parameter of importing is carried out analysis and judgement, sends control signal then, controls the size of constant-current drive circuit output current, thereby reaches the purpose of intelligent control LED light fixture.For example, surpass normal working temperature when controller detects the too high or lamp temperatures of lamp brightness, then controller sends control signal, and the regulation and control drive circuit reduces output current, thereby reaches purpose energy-conservation and protection light fixture operate as normal.Simultaneously, this invention also has the function of simple and easy fault detect.This system disposition has memory, and the MCU central controller is saved in them in the memory after detecting the light fixture running parameter.System includes wireless communication module, the light fixture running parameter in the memory can be sent.Can regularly send a fault detect car that has wireless communication module to detect each LED light fixture successively, after wireless communication module in the light fixture is received detection signal, the light fixture running parameter is sent to the fault detect car, the fault detect car is then according to the operating state of data analysis light fixture, and sends adjustment signal to light fixture.If it is undesired to detect the work of light fixture part, then can change corresponding module.Therefore, the fault detect of LED light fixture and maintenance are very convenient.In addition, the present invention also has the function of long distance wireless illumination supervision.The wireless communication module that light fixture is equipped with can receive the wireless regulation and control signal from fault detect car and control centre, central controller is according to the adjustment signal control Driver Circuit then, regulate the size of current of drive circuit output, regulate the brightness of illumination of LED, thereby realize the remote control and regulation function of LED illuminator.
Compared with prior art, the present invention has adopted the MCU central controller, can detect the ambient humidity, light and temperature of light fixture, and the brightness of auto-control LED light fixture then has intellectuality, energy-saving advantages.Simultaneity factor is equipped with wireless communication module, can receive the adjustment signal of fault detect car and control centre, uses very flexible.Wireless communication module can also be communicated by letter with the fault detect car, and LED light fixture running parameter is sent to inspection vehicle, and the detection of fault and maintenance are very easy.Main feature of the present invention is:
With the MCU controller is the modularized design of core;
Optical pickocff and temperature sensor detect the light fixture operating state;
The digital PWM mode is carried out LED brightness intelligence and is regulated;
Adopt memory to preserve the light fixture state information;
Adopt wireless communication module, externally send the light fixture state information, intelligent trouble detects;
Wireless communication module can receive the regulation and control order of fault detect car and control centre, remote control and regulation LED illuminator.
The present invention adopts the great power LED special chip of wide operating voltage range to design, and has very wide dimming scope, supports analog form and digital PWM mode to carry out brightness adjustment control.The present invention has lot of advantages, makes it be fit to very much great power LED and drives and manage:
Super wide input voltage range: the 85V～265V after the rectification exchanges input;
Integrated LED operating current detecting amplifier;
Inside has the benchmark of error amplifier and 1% precision, can realize accurate LED Current Regulation;
Heat is turn-offed and the digital soft start function;
Have load changing overvoltage protection, peak current limit, LED short-circuit protection, LED high temperature protection;
Wireless communication module, the intelligent radio fault detect;
The long distance wireless adjusting function, convenient, illumination management system cheaply.
Description of drawings
Fig. 1 is a modularized design schematic diagram of the present invention;
Fig. 2 is that wireless malfunction of the present invention detects principle schematic;
Fig. 3 is a wireless remote principle of adjustment and control schematic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, high-power LED wireless intelligent control system comprises:
MCU central controller 1 as the control core;
Constant-current drive circuit 2 is accepted the regulation and control of controller, exports stable electric current, drives high-power LED array;
Many great power LEDs 3, the light source of composition LED light fixture;
Light intensity sensor device 4 is used to detect the brightness of LED light fixture;
Described light intensity sensor, temperature sensor are digital transducer, and temperature sensor is connected to central controller by an independent I/O mouth, and light intensity sensor is connected to central controller by the I2C interface; Memory is connected with central controller with data/address bus by address bus; Constant-current drive circuit is connected with central controller by control signal wire, receives the dim signal of controller; Wireless communication module is connected with central controller by the SPI interface, can externally send the state information of light fixture, can accept extraneous regulation and control instruction simultaneously, and the LED light fixture is carried out remote control and regulation.
This invention has the function of intelligent control LED lamp brightness.The optical pickocff that is installed in the lamp light source part detects brightness, illumination or the light quantity signal of light fixture, through the A/D conversion, becomes digital signal, passes through I
2The C bus is input to the MCU controller; The temperature sensor that is installed in lamp interior detects the temperature of light fixture, also through the A/D conversion, is converted to digital signal, is input to the MCU controller by the I/O mouth.MCU is inner to set a working temperature upper limit through programming, if detected lamp temperatures surpasses the upper limit, just sends the digital PWM control signal, the size of control constant-current drive circuit output current.Control chip in the constant-current drive circuit is received the pwm signal that the MCU controller sends, and with opening the time of power MOS pipe in the control switch drive circuit, regulates the electric current of drive circuit output, thereby reaches the purpose of regulating the LED lamp brightness.For example, surpass normal working temperature when controller detects the too high or lamp temperatures of lamp brightness, then controller sends less pwm signal, and the regulation and control drive circuit reduces output current, thereby reaches purpose energy-conservation and the protection light fixture.
This invention also has the function of simple and easy fault detect.As Fig. 2, this system disposition has memory, and the MCU central controller detects the light fixture running parameter, as led chip temperature, lamp lighting brightness, led chip voltage and current, they is saved in the memory.System includes wireless communication module, the light fixture running parameter in the memory can be sent.Can regularly send a fault detect car that has wireless communication module to detect each LED light fixture successively, after the wireless communication module in the light fixture is received detection signal, the light fixture running parameter be sent to the fault detect car.The data that the analysis of fault detect car is received are judged the operating state of LED light fixture, if it is undesired to detect light fixture work, then can safeguard accordingly.Therefore, can find the problem that light fixture occurs as early as possible, avoid light fixture further to damage, avoid having avoided bigger loss because lamp temperatures is crossed the whole lamp that high abnormal conditions causes scraps; And can on-call maintenance after pinpointing the problems, avoid not working fully because of lamp failure, guaranteed lighting quality and traffic safety.
The present invention also has the function of long distance wireless illumination supervision.As Fig. 3, the wireless communication module that light fixture is equipped with can receive the wireless regulation and control signal from fault detect car and control centre, central controller is according to the adjustment signal control Driver Circuit then, regulate the size of current of drive circuit output, regulate the brightness of illumination of LED, thereby realize the remote control and regulation function of LED illuminator.Traditional street lamp, Tunnel Lamp control management system are used telecommunication cable, use certain agreement to manage the whole illuminator of control, and construction cost and maintenance cost are higher.Wireless remote management of the present invention system has that cost is low, the simple advantage of maintenance management.
Claims (7)
1, high-power LED wireless intelligent control system is characterized in that, comprising:
MCU central controller as the control core;
Constant-current drive circuit is accepted the regulation and control of controller, exports constant electric current, drives many great power LEDs;
Many great power LEDs, the light source of composition LED light fixture;
Light intensity sensor is used to detect brightness, illumination or the luminous flux of LED light fixture;
Temperature sensor is used to detect the temperature of LED light fixture;
Memory is used to store information such as detected light, heat, electricity;
Wireless communication module is used to receive extraneous control signal, and sends the light fixture state information.
2, high-power LED wireless intelligent control system according to claim 1 is characterized in that: light intensity sensor, temperature sensor are digital transducer, and temperature sensor is connected to central controller by single I/O mouth bus, and light intensity sensor passes through I
2C interface is connected to central controller.
3, high-power LED wireless intelligent control system according to claim 1 is characterized in that: described constant-current driving control chip is connected to the PWM mouth of central controller by control signal wire, receives the PWM dim signal of controller.
4, high-power LED wireless intelligent control system according to claim 1, it is characterized in that: described wireless communication module is connected with central controller by the SPI interface, can externally send the state information of light fixture, can accept extraneous regulation and control instruction simultaneously, the LED light fixture is regulated and control.
5, high-power LED wireless intelligent control system according to claim 1 is characterized in that: described MCU controller, by programming, detect the led chip temperature and the optical parametric of light fixture, the output current of intelligent control drive circuit.
6, high-power LED wireless intelligent control system according to claim 1 is characterized in that: wireless communication module, ID of inner setting by the ID of failure judgement inspection vehicle broadcasting and the consistency of this machine ID, sends the running parameter of light fixture.
7, high-power LED wireless intelligent control system according to claim 1, it is characterized in that: described wireless communication module, by programming, behind the adjustment signal that receives control centre's transmission, transmit adjustment signal, adjustment signal is forwarded to farther light fixture, realizes the long distance wireless regulation and control of whole light fixtures.
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| CNA2009100381939A CN101511143A (en) | 2009-03-25 | 2009-03-25 | High-power led wireless intelligent control system |
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| CNA2009100381939A CN101511143A (en) | 2009-03-25 | 2009-03-25 | High-power led wireless intelligent control system |
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Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101711071A (en) * | 2009-11-25 | 2010-05-19 | 海洋王照明科技股份有限公司 | LED control circuit and LED device |
| CN101825673A (en) * | 2010-04-16 | 2010-09-08 | 北京中庆微数字设备开发有限公司 | LED detection device |
| CN101977460A (en) * | 2010-08-30 | 2011-02-16 | 山东浪潮华光照明有限公司 | LED indoor lamp monitoring and managing system based on Internet of things |
| CN102045930A (en) * | 2010-08-25 | 2011-05-04 | 李志明 | Light-emitting diode (LED) illuminating lamp monitoring and managing system |
| CN102098834A (en) * | 2010-11-24 | 2011-06-15 | 映瑞光电科技(上海)有限公司 | LED lighting device and driving method thereof |
| CN102121598A (en) * | 2010-12-31 | 2011-07-13 | 深圳市聚作实业有限公司 | LED (light emitting diode) lamp with serial interface |
| CN102325405A (en) * | 2011-08-25 | 2012-01-18 | 江苏省勇仕照明有限公司 | Lighting device capable of remote controlling and illumination system thereof |
| CN102361526A (en) * | 2011-08-11 | 2012-02-22 | 协鑫光电科技（张家港）有限公司 | Illuminating system |
| CN102404916A (en) * | 2011-11-10 | 2012-04-04 | 浙江西盈科技有限公司 | PWM (Pulse-Width Modulation) dimming LED (Light Emitting Diode) road lamp controller based on Zigbee |
| CN102444819A (en) * | 2010-10-08 | 2012-05-09 | 瑞普韩国有限公司 | Lamp comprising temperature control and heat radiation functions |
| CN102478644A (en) * | 2010-11-27 | 2012-05-30 | 西安大昱光电科技有限公司 | Light-emitting diode (LED) daylight lamp comparison test table |
| CN102480821A (en) * | 2010-11-22 | 2012-05-30 | 意法半导体研发(深圳)有限公司 | System for reprogramming power parameters of light emitting diodes |
| CN102752930A (en) * | 2012-06-28 | 2012-10-24 | 无锡莱吉特信息科技有限公司 | Intelligent LED (light-emitting diode) illumination system |
| CN103025000A (en) * | 2012-11-28 | 2013-04-03 | 南京大学扬州光电研究院 | LED (light-emitting diode) dimming control system based on PWM (pulse-width modulation) |
| CN103052232A (en) * | 2012-12-24 | 2013-04-17 | 常州星宇车灯股份有限公司 | Automatic adjusting method for LED (Light Emitting Diode) luminous flux |
| CN103098552A (en) * | 2010-09-16 | 2013-05-08 | 特锐拉克斯有限公司 | Communication with lighting units over a power bus |
| CN103209527A (en) * | 2013-04-18 | 2013-07-17 | 江西省交通科学研究院 | Highway tunnel light-emitting diode (LED) lighting stepless dimming system |
| CN103216771A (en) * | 2013-04-26 | 2013-07-24 | 中国矿业大学 | Light-emitting diode (LED) street lamp based on wireless sensor network and temperature adjustment method of same |
| CN103338552A (en) * | 2013-06-06 | 2013-10-02 | 南通萤火虫照明科技有限公司 | Community led lighting remote control system |
| CN103344924A (en) * | 2013-07-22 | 2013-10-09 | 石庆生 | Wireless transmission device and method of single LED lamp state detection in expressway tunnel |
| WO2014071612A1 (en) * | 2012-11-09 | 2014-05-15 | Yao Wenbin | Device for improving luminous efficiency of led |
| CN104144543A (en) * | 2014-07-19 | 2014-11-12 | 安徽富源盛光电科技有限公司 | Multipurpose intelligent controller of LED lamp |
| CN104968125A (en) * | 2015-07-28 | 2015-10-07 | 江苏达伦电子股份有限公司 | Multi-mode LED control system |
| CN105407575A (en) * | 2015-12-16 | 2016-03-16 | 湖北科技学院 | Intelligent ceiling lamp and application therefor |
| CN106297651A (en) * | 2016-09-04 | 2017-01-04 | 芜湖纯元光电设备技术有限公司 | A kind of LED intelligence control system |
| US9596738B2 (en) | 2010-09-16 | 2017-03-14 | Terralux, Inc. | Communication with lighting units over a power bus |
| CN103428958B (en) * | 2012-05-04 | 2017-04-12 | 欧司朗有限公司 | Circuit arranged for operating at least a first and a second cascade of LEDs |
| CN106704845A (en) * | 2016-12-08 | 2017-05-24 | 青岛杰生电气有限公司 | LED lamp and method and system for prolonging service life of LED lamp |
| CN107846474A (en) * | 2017-11-27 | 2018-03-27 | 杭州华亮物联网科技有限公司 | A kind of LED illumination is wireless Internet of Things device and apply its wireless things system |
| CN109152155A (en) * | 2018-10-22 | 2019-01-04 | 深圳精创视觉科技有限公司 | A kind of programmable LED light source controller |
| CN111885769A (en) * | 2020-06-29 | 2020-11-03 | 武汉海微科技有限公司 | Vehicle-mounted intelligent interaction system based on LED halo display |
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2009
- 2009-03-25 CN CNA2009100381939A patent/CN101511143A/en active Pending
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| CN101711071A (en) * | 2009-11-25 | 2010-05-19 | 海洋王照明科技股份有限公司 | LED control circuit and LED device |
| CN101711071B (en) * | 2009-11-25 | 2013-10-23 | 海洋王照明科技股份有限公司 | LED control circuit and LED device |
| CN101825673A (en) * | 2010-04-16 | 2010-09-08 | 北京中庆微数字设备开发有限公司 | LED detection device |
| CN101825673B (en) * | 2010-04-16 | 2015-05-27 | 北京中庆微数字设备开发有限公司 | LED detection device |
| CN102045930A (en) * | 2010-08-25 | 2011-05-04 | 李志明 | Light-emitting diode (LED) illuminating lamp monitoring and managing system |
| CN101977460A (en) * | 2010-08-30 | 2011-02-16 | 山东浪潮华光照明有限公司 | LED indoor lamp monitoring and managing system based on Internet of things |
| CN103098552B (en) * | 2010-09-16 | 2016-07-06 | 特锐拉克斯有限公司 | By the method and system that power bus and lighting unit communicate |
| US9342058B2 (en) | 2010-09-16 | 2016-05-17 | Terralux, Inc. | Communication with lighting units over a power bus |
| US9596738B2 (en) | 2010-09-16 | 2017-03-14 | Terralux, Inc. | Communication with lighting units over a power bus |
| CN103098552A (en) * | 2010-09-16 | 2013-05-08 | 特锐拉克斯有限公司 | Communication with lighting units over a power bus |
| CN102444819A (en) * | 2010-10-08 | 2012-05-09 | 瑞普韩国有限公司 | Lamp comprising temperature control and heat radiation functions |
| CN102480821A (en) * | 2010-11-22 | 2012-05-30 | 意法半导体研发(深圳)有限公司 | System for reprogramming power parameters of light emitting diodes |
| CN102480821B (en) * | 2010-11-22 | 2015-04-01 | 意法半导体研发(深圳)有限公司 | System for reprogramming power parameters of light emitting diodes |
| CN102098834A (en) * | 2010-11-24 | 2011-06-15 | 映瑞光电科技(上海)有限公司 | LED lighting device and driving method thereof |
| CN102478644A (en) * | 2010-11-27 | 2012-05-30 | 西安大昱光电科技有限公司 | Light-emitting diode (LED) daylight lamp comparison test table |
| CN102121598A (en) * | 2010-12-31 | 2011-07-13 | 深圳市聚作实业有限公司 | LED (light emitting diode) lamp with serial interface |
| CN102361526A (en) * | 2011-08-11 | 2012-02-22 | 协鑫光电科技（张家港）有限公司 | Illuminating system |
| CN102325405A (en) * | 2011-08-25 | 2012-01-18 | 江苏省勇仕照明有限公司 | Lighting device capable of remote controlling and illumination system thereof |
| CN102404916A (en) * | 2011-11-10 | 2012-04-04 | 浙江西盈科技有限公司 | PWM (Pulse-Width Modulation) dimming LED (Light Emitting Diode) road lamp controller based on Zigbee |
| CN103428958B (en) * | 2012-05-04 | 2017-04-12 | 欧司朗有限公司 | Circuit arranged for operating at least a first and a second cascade of LEDs |
| CN102752930A (en) * | 2012-06-28 | 2012-10-24 | 无锡莱吉特信息科技有限公司 | Intelligent LED (light-emitting diode) illumination system |
| WO2014071612A1 (en) * | 2012-11-09 | 2014-05-15 | Yao Wenbin | Device for improving luminous efficiency of led |
| CN103025000A (en) * | 2012-11-28 | 2013-04-03 | 南京大学扬州光电研究院 | LED (light-emitting diode) dimming control system based on PWM (pulse-width modulation) |
| CN103052232A (en) * | 2012-12-24 | 2013-04-17 | 常州星宇车灯股份有限公司 | Automatic adjusting method for LED (Light Emitting Diode) luminous flux |
| CN103209527A (en) * | 2013-04-18 | 2013-07-17 | 江西省交通科学研究院 | Highway tunnel light-emitting diode (LED) lighting stepless dimming system |
| CN103216771A (en) * | 2013-04-26 | 2013-07-24 | 中国矿业大学 | Light-emitting diode (LED) street lamp based on wireless sensor network and temperature adjustment method of same |
| CN103216771B (en) * | 2013-04-26 | 2015-04-22 | 中国矿业大学 | Light-emitting diode (LED) street lamp based on wireless sensor network and temperature adjustment method of same |
| CN103338552A (en) * | 2013-06-06 | 2013-10-02 | 南通萤火虫照明科技有限公司 | Community led lighting remote control system |
| CN103344924B (en) * | 2013-07-22 | 2015-11-18 | 石庆生 | Freeway tunnel single LED lamp state-detection radio transmitting device and method |
| CN103344924A (en) * | 2013-07-22 | 2013-10-09 | 石庆生 | Wireless transmission device and method of single LED lamp state detection in expressway tunnel |
| CN104144543A (en) * | 2014-07-19 | 2014-11-12 | 安徽富源盛光电科技有限公司 | Multipurpose intelligent controller of LED lamp |
| CN104968125A (en) * | 2015-07-28 | 2015-10-07 | 江苏达伦电子股份有限公司 | Multi-mode LED control system |
| CN105407575A (en) * | 2015-12-16 | 2016-03-16 | 湖北科技学院 | Intelligent ceiling lamp and application therefor |
| CN106297651A (en) * | 2016-09-04 | 2017-01-04 | 芜湖纯元光电设备技术有限公司 | A kind of LED intelligence control system |
| CN106704845A (en) * | 2016-12-08 | 2017-05-24 | 青岛杰生电气有限公司 | LED lamp and method and system for prolonging service life of LED lamp |
| CN107846474A (en) * | 2017-11-27 | 2018-03-27 | 杭州华亮物联网科技有限公司 | A kind of LED illumination is wireless Internet of Things device and apply its wireless things system |
| CN109152155A (en) * | 2018-10-22 | 2019-01-04 | 深圳精创视觉科技有限公司 | A kind of programmable LED light source controller |
| CN111885769A (en) * | 2020-06-29 | 2020-11-03 | 武汉海微科技有限公司 | Vehicle-mounted intelligent interaction system based on LED halo display |
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Assignee: Hunan Yiyuan Photoelectric Technology Co., Ltd. Assignor: Guangdong Shaoxin Opto-electrical Technology Co., Ltd. Contract record no.: 2011430000048 Denomination of invention: High-power LED wireless intelligent control system License type: Exclusive License Open date: 20090819 Record date: 20110421 |
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