CN101553065B - LED atmosphere illumination control system - Google Patents

LED atmosphere illumination control system Download PDF

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Publication number
CN101553065B
CN101553065B CN2008100232200A CN200810023220A CN101553065B CN 101553065 B CN101553065 B CN 101553065B CN 2008100232200 A CN2008100232200 A CN 2008100232200A CN 200810023220 A CN200810023220 A CN 200810023220A CN 101553065 B CN101553065 B CN 101553065B
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control
led
controller
dmx512
control system
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CN101553065A (en
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孙建国
刘乃涛
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Jiangsu Henderson Intelligent Technology Co., Ltd.
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Nanjing Handson Science & Technology Corp
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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 invention provides an LED atmosphere illumination control system, which adopts the standard DMX512 control protocol and a bus type network structure. A controller intensively controls all LED lamps. The system comprises an embedded light synchronous controller, an indoor atmosphere illumination controller, a general high-power LED drive, a transmission medium and the LED lamps. The system can perform scene mode control by network control mode, remote control mode, automatic control mode, manual control mode and various control modes; no less than nine scene modes are preset or can be freely set according to individual preference; digital diming can be achieved by an embedded program, and the illumination and the color tone of the light can be controlled precisely; and each lamp can be independently controlled or can be controlled by networking. The system can ensure the evenness of the illumination effect while achieving the energy-saving illumination control and is widely applicable to local intensive illumination control of public places and families.

Description

The LED atmosphere illumination control system
Technical field
The present invention relates to a kind of intelligent lighting system, relate in particular to high-power, the high brightness LED LED atmosphere illumination control system as lighting source, belong to semiconductor lighting control technology field.
Background technology
Present most of consumer only rests on " can be just bright " or the elementary aspects such as " the energy power saving are all right " the understanding of illuminating product, understanding to higher level " atmosphere illumination " also is in twilight state, also do not consider how to make illumination satisfy people's psychological needs, as color, colour temperature, illumination on the harmony of impact, light and the environment of people's mood, how to utilize the rendered atmosphere etc. that throws light on.Yet there is following problem in the intelligent illuminating system of conventional lamp: the intelligent illuminating system of (1) conventional lamp, in order to realize the light efficiency of different scenes, need to install a large amount of lamp systems, cost is high, can not realize integratedly with construction material, can not realize organically coordinating with house ornamentation; (2) intelligent illuminating system starts continually, turn-offs, and surge voltage has shortened the useful life of conventional lamp greatly to the infringement of light fixture; (3) existing intelligent illuminating system can only throw light on and timed switching function by feasible region, can't realize the functions such as light modulation, toning, scene control; (4) and great power LED since drive current larger, its heating is also more in the course of work.
In illumination development process, LED has shown impayable advantage at photochromic Display Art, the innovation that the LED new light sources impels lighting to design and develop, from having changed to a great extent our illumination idea, break the limit frame frame of traditional lighting, removed to be familiar with, to understand and express the theme of light with a brand-new angle.While advancing by leaps and bounds along with digitizing technique, the digitized home has been come into daily life gradually, traditional light source such as incandescent lamp, fluorescent lamp are because the technological deficiency of self, can't realize Digital Control, and LED is exactly still to keep its luminous efficiency and optical color parameter in larger drive current range as outstanding feature of light source, can realize that the Digital Control of throwing light on, digital intelligent LED illuminator have become the new trend of 21 century lighting field development.
The digital intelligent illumination will replace the main flow that general lighting becomes illuminating industry, and the LED atmosphere illumination control system is an important technology problem that is worth very much research.
Summary of the invention
The object of the invention is to overcome the above problem that prior art exists, a kind of LED atmosphere illumination control system is provided, it has under the condition that need not change hardware and wiring, makes illumination automation, intellectuality by software engineering; In lighting energy saving control, can guarantee preferably the uniformity of illuminating effect, the useful life of prolongation light fixture.
Purpose of the present invention realizes by following technical solution:
Adopt the DMX512 control protocol of standard based on the LED atmosphere illumination control system of DMX bus, and adopt the network configuration of bus-type, controller carries out centralized control to all LED light fixtures.This system comprises recessed lighting fitting phototiming controller, internal ambience lighting controller, universal high-power LED driver, transmission medium, LED light fixture (monochromatic, double-colored, RGB full color).This system can carry out contextual model control by various ways such as network control, remote control, automatic control, manual controls; Default be no less than 9 kinds of contextual models, and can be with personal like's free setting contextual model; Digital dimming be can realize by embedded program, lamplight brightness and tone accurately controlled; Each light fixture both can be controlled separately, also can realize networking control.
Further, its core of LED atmosphere illumination control system is recessed lighting fitting phototiming controller, be comprised of system's control base plate and core control panel, system's control base plate is comprised of ARM flush bonding processor, LCD touch-screen, winCE embedded OS, broadcast management software, memory, power supply, PORT COM (USB and Ethernet, RS232 serial ports, debug port, SD bayonet socket), audio frequency and video delivery outlet and infrared transceiver; Core control panel is comprised of ARM flush bonding processor, SDRAM chip, FLASH memory, but the adjusting by this each lamp brightness of controller real-time implementation, color, colour temperature.Also can the off-line display picture, file, displaying video, can with the PC communication, receive the rendition list that PC inediting software has editted, preserve the rendition list, program file, carry out the broadcast of program according to playlist, can control the multiple LED light fixtures such as curtain wall lamp, clearance light, can go out corresponding picture, literal, variable color, the color texts of running according to the different lamps control display.
Again further, the internal ambience lighting controller is comprised of arm processor, liquid crystal display screen, keyboard, PORT COM and infrared ray.The arm processor internal resource is abundant, and processing speed is fast, and reliability is high, and cost is low, uses very extensive in embedded system; PORT COM is used the DMX512 communications protocol, controller passes through master control system, realize the adjusting of brightness, color, colour temperature, and be furnished with by modes such as key control, infra-red remote controls and operate, the scene parameter can be by user's free setting, can set and be no less than 9 kinds of contextual models, reach color gradient effect, be fit to different intelligent scene illumination places; Infrared interface is the infrared ray input, can controller parameter be set by infrared remote controller, realizes and scene selection key function and on-off controller function with infrared remote controller.
Further, universal high-power LED driver is mainly used in the driving of high-power LED lamp, can directly be connected with the internal ambience lighting controller with recessed lighting fitting phototiming controller.Minimum support 8 road RGB ports output, each port arranges separately the address, can realize any installation combination of LED (monochromatic, double-colored, RGB full color) light fixture.This driver can realize that through the exchange constant flow module driving to different capacity, dissimilar light fixtures, its brilliance control mode are PWM constant current control, and grey level is 256 grades of every looks.The built-in constant-current circuit of universal high-power LED driver can directly drive great power LED, has simplified the design of LED light fixture, and the controller of cooperation front end can conveniently be realized the control of illuminator.
Wherein, above-mentioned LED atmosphere illumination control system, control system adopt international standards interface RS485 or RS232 and the interconnection of other control system; Adopt the ICP/IP protocol of DMX512 protocol and standard.Communication media adopts a pair of twisted-pair feeder, all system control units are by twisted pair line connection composition control network, the control signal that each system control unit sends transmits in whole control network, after each system control unit receives control information, regulation according to the system communication agreement is carried out corresponding actions, thereby realizes intelligent network control.
Beneficial effect of the present invention is mainly reflected in:
1. powerful, have wide range of applications.This LED atmosphere illumination control system can the off-line display picture, file, displaying video, can with the PC communication, receive the rendition list that PC inediting software has editted, preserve the rendition list, program file, carry out the broadcast of program according to playlist.Can control the multiple LED light fixtures such as curtain wall lamp, clearance light, can go out corresponding picture, literal, variable color, the color texts of running according to the different lamps control display.Also can realize the adjusting of LED lamp brightness, color, colour temperature, and be furnished with by modes such as key control, infra-red remote controls and operate, set multiple contextual model, reach color gradient effect, be fit to different intelligent scene illumination places.
2. network is simple, cost is low, and a plurality of LED light fixtures share a bus; Relatively independent between all LED light fixtures, the damage of certain LED light fixture can not have influence on other light fixture on the bus; Each LED light fixture has independently address, and the LED lamp dimmer can be controlled separately each light fixture by the address.
3. control mode convenient, flexibly, be easy to revise, operation and safeguarding.Can the brightness of light fixture can be set by touch-screen according to the color of seeing on the LCD screen being touched the color (What You See Is What You Get) of selecting to arrange light fixture, support usb host or equipment mouth, SD memory, network, audio frequency, the interface such as infrared.
4. compatible good, stability and reliability are high.Adopt industrial standard, the DMX512 control protocol of standard, antijamming capability is strong, communication distance (greater than 1000 meters) far away; LED light fixture that can compatible other producer.
5. prolonged the life-span of light source, not only can save substantial contribution, and can greatly reduce the workload of changing light fixture, reduce the operating cost of illuminator, this driver can be realized driving to different capacity, dissimilar light fixtures through the exchange constant flow module, its brilliance control mode is PWM constant current control, and grey level is 256 grades of every looks.The built-in constant-current circuit of universal high-power LED driver can directly drive great power LED, has simplified the design of LED light fixture, and the controller of cooperation front end can conveniently be realized the control of illuminator, and the illumination operation expense reduces 30%~50%.
6. good energy-saving effect, intelligent lighting system be by various mode and the control element of pre-seting, and the illuminance of different time varying environment is accurately arranged and reasonable management, realizes energy-conservationly, and power savings is fairly obvious, reaches more than 30%.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further.
Fig. 1: structural representation of the present invention.
Fig. 2: the schematic diagram of the recessed lighting fitting phototiming controller among Fig. 1.
Fig. 3: the schematic diagram of the internal ambience lighting controller among Fig. 1.
Fig. 4: the schematic diagram of the universal high-power LED driver among Fig. 1.
The implication of each mark is among the figure:
1 recessed lighting fitting phototiming controller, 2 internal ambience lighting controllers
3 universal high-power LED driver 4 transmission mediums
5LED light fixture A system control base plate
B core control panel C DMX512 keyset
10 video port 11ARM flush bonding processors
12LCD touch-screen 13winCE embedded OS
14 play management software 15 memories
16 power supply 17USB mouths
18 Ethernet interface 19RS232 serial ports
20 debug port 21SD bayonet sockets
22 audio frequency and video delivery outlets, 23 infrared transceivers
24ARM flush bonding processor 25SDRAM memory
26FLASH memory 27ARM flush bonding processor
28 serial interface 29DMX512 interfaces
31ARM processor 32 liquid crystal display screens
33 keyboard 34DMX512 communication interfaces
35 infrared transceivers, 36 power supplys
41ARM processor 42PWM generator
43RS485 transceiver 44 constant-current driven modules
45 memory 46DMX512 interfaces
47 power supplys, 48 output ports
Embodiment
At present main light control protocol has DMX512, CAN, ART-NET etc. in the world, and DMX512 is most widely used LED control protocol, has in fact become the independent standard agreement in LED market.The DMX512 agreement is to be proposed and developed into digital light control console standard communications protocol by USITT (U.S. theater technological associations) at first, and the technical program is a specific embodiments based on the intelligence control system of DMX512 agreement.
Such as Fig. 1, adopt the DMX512 control protocol of standard based on the LED atmosphere illumination control system of DMX bus, and the network configuration of employing bus-type, controller carries out centralized control to all LED light fixtures, and this system comprises the LED light fixture 5 of recessed lighting fitting phototiming controller 1, internal ambience lighting controller 2, universal high-power LED driver 3, transmission medium 4, monochrome or RGB three looks.This system can carry out contextual model control by various ways such as network control, remote control, automatic control, manual controls; Default be no less than 9 kinds of contextual models, and can be with personal like's free setting contextual model; Digital dimming be can realize by embedded program, lamplight brightness and tone accurately controlled; Each light fixture both can be controlled separately, also can realize networking control.
Further, such as Fig. 2, its core of LED atmosphere illumination control system is recessed lighting fitting phototiming controller 1, be comprised of the control base plate A of system and core control panel B, DMX512 keyset C, system's control base plate is comprised of ARM flush bonding processor 11, LCD touch-screen 12, winCE embedded OS 13, broadcast management software 14, memory 15, power supply 16, USB mouth 17, Ethernet interface 18, RS232 serial ports 19, debug port 20, SD bayonet socket 21, audio frequency and video delivery outlet 22, infrared transceiver 23; Core control panel B forms 26 by ARM flush bonding processor 24, SDRAM memory 25, FLASH memory, DMX512 keyset C is comprised of ARM flush bonding processor 27, serial interface 28, DMX512 interface 29, embedded indoor LED lamp optical controller has adopted Embedded ARM9 processor 11 and has disposed color LCD touch-screen 12, complete separating computer, can be widely used in indoor and family, operate very simply, the user only needs to get colors arbitrarily and brightness on touch-screen; DMX512 keyset C controller will get colors the user and brightness data is converted to the DMX512 agreement and sends to each LED light fixture 5 on the bus, but the adjusting by this each lamp brightness of controller real-time implementation, color, colour temperature; Also can receive the rendition list that PC inediting software has editted by USB mouth 17, preserve the rendition list, program file, carry out the broadcast of program according to playlist, can control the multiple LED light fixtures such as curtain wall lamp, clearance light, can go out according to the different lamps control display that corresponding picture, literal, variable color, color are run, the displaying video texts.Embedded indoor LED lamp optical controller 1 is simple to operate, directly perceived, need not train anyone and can both easily use, and chooses to such an extent that the color of color and LED light fixture is in full accord on the touch-screen, can accomplish What You See Is What You Get, and all effects all rest in user's the hand.In addition controller has also been preset several contextual models commonly used and automatic color-changing confession user selection.Embedded indoor LED lamp optical controller 1 can be controlled the LED light fixture 5 of universal high-power LED driver 3 and the standard of support DMX512 control protocol.
Again further, such as Fig. 3, internal ambience lighting controller 2 is comprised of arm processor 31, liquid crystal display screen 32, keyboard 33, DMX512 communication interface 34, infrared transceiver 35, power supply 36.Arm processor 31 internal resources are abundant, and processing speed is fast, and reliability is high, and cost is low, uses very extensive; Embedded 32 or more high-order arm processor 31 have been adopted, two serial ports, inner Flash, internal RAM, and disposed monochrome, double-colored, full-color dot matrix LCD screen, liquid crystal display screen is 122 * 32 dot matrix or other resolution, can show multline text, be used for showing real-time colour temperature, monochrome information and system's setup menu, and be furnished with keyboard and remote controller, keyboard is used for the setting of System menu, can establish a plurality of buttons, and the modes such as infra-red remote control operate, infrared transceiver 35 is the infrared ray input, can controller parameter be set by infrared remote controller 35, realize and scene selection key function and on-off controller function that with infrared remote controller 35 interface of DMX512 communication interface 34 is RS485, use the DMX512 communications protocol, can control the LED light fixture 5 of universal high-power LED driver 3 and the standard of support DMX512 control protocol, DMX512 data protocol regulation is used the baud rate of 250Kbps, and each transmission time is not higher than 4 microseconds; The scene parameter can be by user's free setting, can set to be no less than 9 kinds of contextual models, realizes the adjustable continuously of brightness, color, colour temperature, reaches color gradient effect, is fit to different intelligent scene illumination places.
Further, such as Fig. 4, universal high-power LED driver 3 mainly is comprised of embedded ARM processor 41, PWM generator 42, RS485 transceiver 43, multipath LED constant current driver module 44, memory 45, DMX512 interface 46, power supply 47, output port 48 etc.Universal high-power LED driver 3 is based on the DMX512 communications protocol, adopts the RS485 communication interface, can be directly be connected with the internal ambience lighting controller with recessed lighting fitting phototiming controller 1 to be connected, and is mainly used in the driving of high-power LED lamp.Below introduce the effect of each assembly.Embedded ARM processor 41: receive the DMX512 data of recessed lighting fitting phototiming controller 1,2 transmissions of internal ambience lighting controller and the corresponding ports data are sent to PWM generator 42; PWM generator 42: receive the data that embedded ARM processor 41 transmits, produce multi-channel PWM output, be typically 3 * 4 tunnel and 3 * 8 tunnel; The constant flow module 44:350mA/700mA output of flowing over is used for driving great power LED; RS485 transceiver 43: receive recessed lighting fitting phototiming controller 1 and internal ambience lighting controller 2DMX512 data; Memory 45: be used for depositing output port 48 addresses that the user arranges; DMX512 interface 46: two RJ45 cable interfaces, be used for connecting with recessed lighting fitting phototiming controller 1, internal ambience lighting controller 2 and other high-power LED driver, can also for each output port 48 address be set by this interface.
The variable color control mode of great power LED is PWM generator 42+ constant-current drive circuit 44.PWM generator 42 can produce with single-chip microcomputer, ARM, CPLD, FPGA etc.The constant-current drive circuit 44 of great power LED, the a kind of of employing is linear constant current circuit at present, by high-power MOSFET, high speed operation amplifier and other set of devices become, be mainly used in the driving high-power LED lamp, under the control of recessed lighting fitting phototiming controller 1, internal ambience lighting controller 2, realize the multiple color changeable effects such as gradual change, literal, image, animation.LED constant-current driven module integrated multipath linear constant current circuit drives respectively red, green, blue three look great power LEDs, by can realize the variation of red, green, blue brightness to the control of PWM port.
Wherein, above-mentioned universal high-power LED driver 3, the interface of adopting international standards, such as RS485, RS232, measured DMX512 control protocol and ICP/IP protocol, can interconnect with other control system, DMX512 is most widely used LED control protocol, has in fact become the independent standard agreement in LED market.The DMX512 agreement can transmit 512 tunnel light modulation data at a pair of line, has adopted the asynchronous serial communication mode, communication baud rate 250kbps, each light modulation data forms by 11,1 start bit wherein, 8 light modulation data bit, 2 position of rests once transmit at most 512 light modulation data.Minimum support 8 road RGB ports output, each port arranges separately the address, can realize any installation combination of LED light fixture (monochromatic, double-colored, RGB full color); This driver 3 can realize that through the exchange constant flow module driving to different capacity, dissimilar light fixtures, its brilliance control mode are PWM constant current control, and grey level is 256 grades of every looks.Universal high-power LED driver 3 built-in constant-current circuits can directly drive great power LED, drive current: 350mA/700mA, have simplified the design of LED light fixture, and the controller of cooperation front end can conveniently be realized the control of illuminator.In addition, modular construction can disperse to be installed in each control scene and close on power distribution station, the network configuration flexibility is very large, can be used for little illumination control to a room, large control to groups of building more than, by intelligent network bridge many sub-networks are interconnected into a large-scale distributing control network, the installation of LED atmosphere illumination control system, modification, ratio are more simple and convenient.
This preferred embodiment adopts a pair of twisted-pair feeder as transmission medium 4, all system control units by this to twisted pair line connection composition control network, the control signal that each system control unit sends transmits in whole control network, after each system control unit receives control information, then carry out corresponding actions according to the regulation of system communication agreement, thereby realize intelligent network control.When adopting control bus, also adopt the power bus mode to carry out system power supply, to reduce cost, because the employing twisted-pair feeder as transmission medium 4, has strong anti-interference performance, communication effect is good, the communication robust advantages of higher.Owing to causing the situation of systemic breakdown, a certain device fails occurs when adopting the control bus mode for overcoming, the present invention adopts the distributing centralized control system, a large system is coupled together with bus mode by the intelligent standalone module of a plurality of bands, after breaking away from large system, each control module is the energy independent operating all, carry out Fault Isolation, equipment is carried out suitable redundant configuration, even in use a certain parts break down suddenly and can guarantee that also system continues operation falling under the functional conditions.
The design of LED atmosphere illumination control system is by the requirement of distributing modularity control, convenient on-the-spot the installation and control, controller has the module of different output capacities and different output loops, when carrying out the system equipment configuration, can select suitable module by the actual loading situation neatly, thereby reduce the investment cost of system.After putting into operation, system improved the operation condition of work of illuminating lamp owing to the control performance characteristics of lighting controller, thereby prolonged the useful life of lamp, reduce the lamp amount of changing, reduce maintenance cost, can save electric energy by management and control to the operating state science of illuminating lamp on the other hand.
Native system can provide abundant mode of operation for the user according to light demand complicated and changeable, and the user can select one or more modes of operation to come light is controlled according to oneself hobby and product situation, and the operation control mode is as follows:
1. infrared, wireless remote control, in any room, control on off state and the dimming state of all networking light fixtures (no matter whether light fixture is in this room) with infrared hand-held remote, do not turn on light again after not needing to enter the room, before entering arbitrary room, just can open light with remote controller, again need not seek in the dark the switch of lamp;
2. computer/the Internet control, by a computer on local computer or the network, can Long-distance Control light state; Realize and the interconnection of building automatic control system by Ethernet, by local network control command is sent to driver, realize to the communication of illumination control net with to the control of illuminating lamp;
3. scene is switched flexibly, design a kind of lamplight scene by computer or remote controller, subsequently, just can be by the scene button on the remote controller, between various scenes, switch easily, arbitrarily light switching or brightness regulation can be controlled as required, even the operating state of other electric equipment can be changed;
4. microprocessor is adopted in good dimming effect demonstration, realizes accurate illumination variation control by program, can set the brightness fade rates, and its pace of change can be regulated arbitrarily in the scope at 1 second to several minutes, and abundant on-the-spot illumination transform effect is provided;
5. with being connected of other system, the various input/output interfaces that interconnect with miscellaneous equipment are arranged, lighting system can be adjusted operating state automatically according to ambient brightness; By RS485 bus, RS232 and DMX512 agreement, the interface RS485 that directly connects by light adjusting controller, can easily lighting system be linked to each other with other smart machine, respond the signal that other node sends, when for example turning on TV in the parlor, parlor light is automatically dimmed, all the other light Close Alls etc.;
6. the LED atmosphere illumination control system can the dissimilar LED light fixtures of brightness adjustment control, have the change in duty cycle of soft start, adjustment main power source, the function of inhibition electromagnetic interference, dimmer has multiple light regulating curve to select for the user, and the efficient of dimmer can reach more than 85%.
In addition, LED atmosphere illumination control system control software has the various controls interface of satisfying execute-in-place control:
1) but the LCD liquid crystal display touch screen panel of execute-in-place, can be at the various graph keys of liquid crystal screen display or planar cloth lamp figure, as long as just can finish control operation with the key on the finger touch screen, screen graph can be by programming, making grey level is that every look is not less than 256 grades, the LCD liquid crystal display touch screen is that a function is strong, the guidance panel of operation intuitive and convenient also with 365 days clock control.Utilize the LED luminous characteristics, chromaticity coordinates figure based on CIE, local or all use R, G, three kinds of photochromic LED of B to carry out coordinate transform processing by electronic control system or use identical or different photochromic LED to jump over regularly formula and change, thereby build a colorful dynamic lighting atmosphere, such illuminating effect is that the traditional lighting means can't realize.Can change according to different demands in conjunction with the personal computer design program simultaneously, present unique style and atmosphere;
2) the LED atmosphere illumination control system be the terminal use of local network design a cover can be at the control software of PC control any " long-range control " task, can be by the man-machine interface operation control of very easy-to-use figure or menu mode, the any demand information that in time occurs in the response Lighting Control Assembly, can control demand, the activity data that the lighting loop in the Lighting Control Assembly can be occured is recorded in the database, also can form various forms.
LED atmosphere illumination control system of the present invention when realizing lighting energy saving control, can guarantee the uniformity of illuminating effect, the useful life of prolongation light fixture.The distributed system novel structure is reliable, designs, installs, moves, safeguards, overhauls very convenient.Be widely used in the concentration of local illumination control of public place such as market, arts center, recreational facilities and family.
Certainly, more than only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the rights protection scope of the present invention.

Claims (11)

1. LED atmosphere illumination control system, comprise recessed lighting fitting phototiming controller (1), internal ambience lighting controller (2), universal high-power LED driver (3), transmission medium (4), LED light fixture (5), described LED light fixture (5) is monochromatic, double-colored or redgreenblue, it is characterized in that: described LED atmosphere illumination control system adopts the DMX512 control protocol of standard, and the network configuration of employing bus-type, described universal high-power LED driver (3) is connected 2 with recessed lighting fitting phototiming controller (1) with the internal ambience lighting controller) be connected, be used for the driving of high-power LED lamp; Default several can be with the contextual model of personal like's free setting in internal ambience lighting controller (2), the described recessed lighting fitting phototiming controller (1) that cooperation is controlled by network control, remote control, automatic control, manual any one mode, control described universal high-power LED driver (3), and then all LED light fixtures are carried out centralized control or control separately; Described recessed lighting fitting phototiming controller (1), internal ambience lighting controller (2), universal high-power LED driver (3) all adopts the ARM flush bonding processor, described recessed lighting fitting phototiming controller (1), by system's control base plate (A) and core control panel (B), DMX512 keyset (C) forms, described system's control base plate (A) comprises ARM flush bonding processor (11), be connected on the core control panel (B), the controller of DMX512 keyset (C) controls that described DMX512 keyset (C) gets colors the user and brightness data is converted to the universal high-power LED driver (3) that the DMX512 agreement sends to each the LED light fixture (5) on the bus that is positioned at described network configuration, and then controls described LED light fixture (5) and come each lamp brightness of real-time implementation, color, the adjusting of colour temperature.
2. LED atmosphere illumination control system according to claim 1 is characterized in that: system's control base plate also comprises LCD touch-screen (12), winCE embedded OS (13), plays management software (14), memory (15), power supply (16), USB mouth (17), Ethernet interface (18), RS232 serial ports (19), debug port (20), SD bayonet socket (21), audio frequency and video delivery outlet (22), infrared transceiver (23); Core control panel (B) forms (26) by ARM flush bonding processor (24), SDRAM memory (25), FLASH memory, and DMX512 keyset (C) is comprised of ARM flush bonding processor (27), serial interface (28), DMX512 interface (29).
3. LED atmosphere illumination control system according to claim 1, it is characterized in that: described internal ambience lighting controller (2) comprises arm processor (31), liquid crystal display screen (32), keyboard (33), DMX512 communication interface (34), infrared transceiver (35), power supply (36), by infrared remote controller (35) controller parameter is set, realize and scene selection key function and on-off controller function, pass to universal high-power LED driver (3) by arm processor (31) and DMX512 communication interface (34).
4. LED atmosphere illumination control system according to claim 3, it is characterized in that: the interface of described DMX512 communication interface (34) is RS485, use the DMX512 communications protocol, be used for controlling the LED light fixture (5) of universal high-power LED driver (3) and the standard of support DMX512 control protocol.
5. LED atmosphere illumination control system according to claim 1, it is characterized in that: described universal high-power LED driver (3) comprises embedded ARM processor (41), PWM generator (42), RS485 transceiver (43), multipath LED constant current driver module (44), memory (45), DMX512 interface (46), power supply (47), output port (48), described universal high-power LED driver (3) is based on the DMX512 communications protocol, directly be connected 2 with recessed lighting fitting phototiming controller (1) with the internal ambience lighting controller) be connected, be used for driving high-power LED lamp (5).
6. LED atmosphere illumination control system according to claim 5, it is characterized in that: the variable color control mode of described great power LED is PWM generator (42) and constant-current drive circuit (44) control, LED constant-current driven module integrated multipath linear constant current circuit, drive respectively red, green, blue three look great power LEDs, by can realize the variation of red, green, blue brightness to the control of PWM port.
7. LED atmosphere illumination control system according to claim 6, it is characterized in that: described PWM generator (42) produces with single-chip microcomputer, ARM, CPLD, FPGA, the constant-current drive circuit of described great power LED (44) adopts linear constant current circuit, by high-power MOSFET, high speed operation amplifier and other set of devices become.
8. LED atmosphere illumination control system according to claim 1, it is characterized in that: the LED atmosphere illumination control system adopts RS485 or RS232 international standard interface, measured DMX512 control protocol and ICP/IP protocol are to be applicable to and other control system interconnection.
9. LED atmosphere illumination control system according to claim 1, it is characterized in that: described transmission medium (4) is a pair of twisted-pair feeder, all system control units by this to twisted pair line connection composition control network, the control signal that each system control unit sends transmits in whole control network, after each system control unit receives control information, then carry out corresponding actions according to the regulation of system communication agreement.
10. LED atmosphere illumination control system according to claim 1, it is characterized in that: based on the chromaticity coordinates figure of CIE, local or all use R, G, three kinds of photochromic LED of B to carry out coordinate transform processing by electronic control system or use identical or different photochromic LED to jump over regularly formula and change, thus a dynamic lighting atmosphere built; Perhaps in conjunction with the personal computer design program, change according to different demands, present unique style and atmosphere.
11. LED atmosphere illumination control system according to claim 1, it is characterized in that: the LED atmosphere illumination control system comprises that the terminal use of a cover local network can carry out at a PC control software of Long-distance Control task, use the man-machine interface operation control of figure or menu mode, the any demand information that in time occurs in the response Lighting Control Assembly, demand is controlled, and the activity data that the lighting loop in the Lighting Control Assembly is occured is recorded in the database and forms various forms.
CN2008100232200A 2008-04-02 2008-04-02 LED atmosphere illumination control system Expired - Fee Related CN101553065B (en)

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