CN100558210C - A kind of intelligent illuminating system and control method thereof - Google Patents
A kind of intelligent illuminating system and control method thereof Download PDFInfo
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- CN100558210C CN100558210C CNB2006100519146A CN200610051914A CN100558210C CN 100558210 C CN100558210 C CN 100558210C CN B2006100519146 A CNB2006100519146 A CN B2006100519146A CN 200610051914 A CN200610051914 A CN 200610051914A CN 100558210 C CN100558210 C CN 100558210C
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Abstract
Intelligent illuminating system disclosed by the invention comprises a master controller, 1～64 slave controller and the light fixture that links to each other with slave controller, and master controller links to each other with slave controller by bus.Its control method is: send the master control comprise address and light adjusting grade information by master controller and instruct on the bus, the slave controller identical with the master control instruction address requires the light fixture light modulation according to light adjusting grade, and send the address feedback command to bus, master controller receives the address feedback command of slave controller, and light modulation is operated whether successful execution is judged.The present invention can carry out automatic addressing to controlled light fixture, uses feedback mechanism to guarantee effective execution of instructing, and has automatically and manual two kinds of light-modulating modes, supports that light scene is provided with function, and is simple in structure, easy for installation, with low cost.Being suitable for family, public place and modernized mansion uses.
Description
Technical field
The present invention relates to a kind of intelligent illuminating system and control method thereof.
Background technology
Traditional illuminator since do not use light sensor to day illuminance detect and utilize, exist serious electric power resource wasting phenomenon.In addition, also exist the unification of control flows and 220V energy stream, fail safe is low, and assembling back mobility and extensibility are very little, do not support complex scene that the shortcoming of function is set.
Dedicated illumination control system in the market, C-Bus and Dynet system are representative.The major function of C-Bus illuminator concentrates in the switch control and scene setting of light fixture, is being short of to some extent aspect the light modulation of light fixture.The light modulation executor of Dynet system is more complete, but because feature richness is in large scale, the Installation and Debugging complexity.
In addition, also have the Lighting Control Assembly of some attached building automation systems, as Lonworks, BACnet, EIB etc., this class illuminator must be by professional and technical personnel's construction and installation in intelligent building, and cost an arm and a leg.
Summary of the invention
The purpose of this invention is to provide the automatic digital dimming of a kind of addressable, install simple and easy, lower-cost intelligent illuminating system and control method thereof.
Intelligent illuminating system of the present invention comprises a master controller, 1～64 slave controller and the light fixture that links to each other with slave controller, and master controller links to each other with slave controller by bus; Said master controller comprises first microcontroller, the master controller instruction sending module, the master controller signal receiving module, first power transfer module, first clock and interrupt module, be used to import first Users panel and the LED display module of command value to be sent, wherein, first power transfer module, first clock links to each other with first microcontroller with the interrupt module and first Users panel, the LED display module links to each other with first microcontroller and first Users panel, input termination first microcontroller of master controller instruction sending module, the output termination bus of master controller instruction sending module, output termination first microcontroller of master controller signal receiving module, the input termination bus of master controller signal receiving module; Said slave controller module comprises second microcontroller, second clock and interrupt module, be used to set second Users panel of slave controller address, the slave controller sending module, the slave controller receiver module, the second source modular converter, the A/D modular converter, light sensor, D/A modular converter and PWM be output module relatively, wherein, second clock and interrupt module, second Users panel, the second source modular converter, the A/D modular converter links to each other with second microcontroller with the D/A modular converter, light sensor links to each other with the A/D modular converter, the PWM relatively input of output module links to each other with the D/A modular converter, the PWM relatively output of output module links to each other with light fixture, input termination second microcontroller of slave controller sending module, the output of slave controller sending module links to each other with bus, the input termination bus of slave controller receiver module, output termination second microcontroller of slave controller receiver module.
The control method of intelligent illuminating system is that master controller sends the master control comprise address and light adjusting grade information and instructs on the bus, the slave controller identical with the master control instruction address requires the light fixture light modulation according to light adjusting grade, and send the address feedback command to bus, master controller receives the address feedback command of slave controller, and light modulation is operated whether successful execution is judged.
In the control method of the present invention, coded format for master controller and slave controller instruction adopts Manchester code, the bus communication frequency is 1200bit/s, and transmit with half-duplex mode, two-wire voltage differential driving, represent " height " level when voltage difference is greater than 9.5V between two-wire, represent " low " level when voltage difference is less than 6.5V between two-wire.
In the control method of the present invention, the 19bit Frame of master control instruction that master controller sends for forming by 1bit start bit, 8bit address bit, 8bit light modulation value position and 2bit position of rest, wherein the 8bit address bit is divided into physical address, group address and three kinds of address patterns of broadcast address, corresponding 256 the logarithm light adjusting grades in 8bit light modulation value position.
In the control method of the present invention, the address feedback command that slave controller sends is by the 1bit start bit, the 11bit Frame that 8bit address bit and 2bit position of rest are formed, and wherein the 8bit address bit is divided into physical address, group address and three kinds of address patterns of broadcast address.
Beneficial effect of the present invention is: can carry out automatic addressing to controlled light fixture, use feedback mechanism to guarantee effective execution of instructing, have automatically and manual two kinds of light-modulating modes, support that light scene is provided with function, and simple in structure, easy for installation, with low cost.The present invention is suitable for family, public place and modernized mansion and uses.
Description of drawings
Fig. 1 is the formation block diagram of intelligent illuminating system;
Fig. 2 is the formation block diagram of master controller;
Fig. 3 is the formation block diagram of slave controller;
Fig. 4 is the circuit diagram of master controller instruction sending module and master controller signal receiving module;
Fig. 5 is the circuit diagram of slave controller instruction sending module and slave controller signal receiving module.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
With reference to Fig. 1, Fig. 2, Fig. 3, intelligent illuminating system of the present invention comprises 1,1～64 slave controllers 2 of a master controller and the light fixture 3 that links to each other with slave controller, and master controller 1 links to each other with slave controller 2 by bus; Said master controller 1 comprises first microcontroller 4, master controller instruction sending module 5, master controller signal receiving module 6, first power transfer module 7, first clock and interrupt module 8, be used to import first Users panel 9 and the LED display module 11 of command value to be sent, wherein, first power transfer module 7, first clock links to each other with first microcontroller 4 with the interrupt module 8 and first Users panel 9, LED display module 11 links to each other with first microcontroller 4 and first Users panel 9, input termination first microcontroller 4 of master controller instruction sending module 5, the output termination bus of master controller instruction sending module 5, output termination first microcontroller 4 of master controller signal receiving module 6, the input termination bus of master controller signal receiving module 6; Said slave controller module comprises second microcontroller 12, second clock and interrupt module 13, be used to set second Users panel 14 of slave controller address, slave controller sending module 15, slave controller receiver module 16, second source modular converter 17, A/D modular converter 18, light sensor 19, D/A modular converter 20 and PWM be output module 21 relatively, wherein, second clock and interrupt module 13, second Users panel 14, second source modular converter 17, A/D modular converter 18 links to each other with second microcontroller 12 with D/A modular converter 20, light sensor 19 links to each other with A/D modular converter 18, the PWM relatively input of output module 21 links to each other with D/A modular converter 20, the PWM relatively output of output module 21 links to each other with light fixture 3, and light fixture 3 can be the fluorescent lamp of Halogen lamp LED or external dimming ballast.Input termination second microcontroller 12 of slave controller sending module 15, the output of slave controller sending module 15 links to each other with bus, the input termination bus of slave controller receiver module 16, output termination second microcontroller 12 of slave controller receiver module 16.
Usually, on first microcontroller 4 of master controller, connect RS485/232 interface 10, so that carry out software upgrading, user's configuration and system extension by interface.
First, second above-mentioned microcontroller can be selected the AT89S52 single-chip microcomputer for use.A/D conversion in the slave controller can be selected the ICL7135 chip for use, and the D/A conversion can be selected the DAC0832 chip for use, and PWM relatively output module can select chip SG3524 for use.
The control method of intelligent illuminating system is as follows: first Users panel selects to be transferred the address and the light modulation value of light fixture by 16 dials, or use automatic keying to select predefined scene and light modulation value, the microcontroller of master controller reads address and the light modulation value that the user is provided with, it is converted to frequency is 1200bit/s, master control command frame by 1bit start bit, 8bit address bit, 8bit light modulation value and 2bit position of rest are formed sends to the master controller instruction sending module.The master controller instruction sending module is converted to the master control command frame with two-wire pressure reduction represents high level greater than 9.5V, corresponding data " 1 "; Represent low level with two-wire pressure reduction less than 6.5V, the voltage signal of corresponding data " 0 ", and send on the bus.Slave controller receiver module in the slave controller receives the command signal on the bus, the slave controller receiver module will be converted to the single line voltage signal with the voltage signal that two-wire pressure reduction is represented and send into second microcontroller, second microcontroller carries out the address relatively to the instruction that receives, if identical, then carry out the light modulation operation with the address that second Users panel is provided with.When the user selects manual light-modulating mode, by second microcontroller digital dimming value that reads is converted to analog voltage (D/A conversion), carries out PWM then relatively, output high-frequency PWM light modulation pulse is to light fixture, change the switching time of light fixture, obtain different lamp brightness.When the user selects pattern with an automatic light meter, by the current light illumination in the light sensor detection room, the magnitude of voltage that light sensor output is represented with the 5V reference signal by the A/D modular converter, is converted to the current brightness value of representing with digital quantity and sends into second microcontroller.Second microcontroller compares the light modulation value and the current values of light of automatic setting, and the light modulation value that output needs to increase is carried out light modulation to D/A conversion and PWM module to light fixture, remains on the brightness value of automatic setting to guarantee light fixture.After slave controller is finished the light modulation operation, will be by the slave controller sending module by the 1bit start bit, the address feedback command that 8bit address bit and 2bit position of rest are formed sends on the bus.The master controller receiver module is received the address feedback command from slave controller, confirms that sign off, a light modulation moves by successful execution; If master controller is not received the address feedback command, then judge the light modulation failure, master controller will resend master control instruction.
The slave controller instruction is identical with the differential voltage specification with the frequency of master controller instruction.In order to realize physical layer error correction, master controller instruction and slave controller address feedback command have all adopted Manchester's code.
Master controller instruction sending module and master controller signal receiving module as shown in Figure 4, it comprises reverse chip U3, comparable chip U4 and three triode Q1, Q2, Q3.Here, oppositely chip U3 is 74HC04, and comparable chip U4 is LM7221, and the pin 3 of U3 connects the instruction transmitting terminal of first microcontroller, and pin two connects the signal receiving end of first microcontroller.From the signal to be sent that first microcontroller comes, reverse through U3 earlier, from the output of 2/Y end,, obtain outputing to bus with the signal that differential voltage is represented through triode Q1, Q2 and the common interface circuit of forming of Q3.When the first microcontroller output low level, the base stage of triode Q1 is the 5V high level, the Q1 conducting, and Q3 ends, and bus voltage is greater than 9.5V; When first microcontroller output high level, the base stage of triode Q1 is the 0V low level, and Q1 ends, the Q3 conducting, and bus voltage is less than 6.5V.Bus voltage signal obtains being " 1 " with 5V that 0V is the voltage signal of " 0 ", sends into micro controller I/O receiving port through reverser by the 2/Y pin of U1 through the LMC7221 comparator.
Slave controller instruction sending module and slave controller signal receiving module are as shown in Figure 5, it comprises the first optocoupler U5, the second optocoupler U6 and three reverser U7, U8, U9, the input of the first reverser U7 links to each other with the output of the first optocoupler U5, the output of the second reverser U8 links to each other with the input of the second optocoupler U6, and the input of the second reverser U8 links to each other with the output of the 3rd reverser U9.Here, the first optocoupler U5 is SFH6206, and the second optocoupler U6 is PVA1354, and reverser U7, U8, U9 have adopted the 74HC04 chip respectively.Isolate by the first optocoupler U5 and the second optocoupler U6 between the bus and second microcontroller, realize level conversion, when the voltage signal that has on the bus greater than 9.5V, the first optocoupler U5 conducting produces the high level signal of 5V at the output of reverser U7.In the time of on transmitting a signal to bus, if the input of reverser U9 is a high level, U6 by, output pressure reduction is greater than the voltage signal of 9.5V on bus; If the input of reverser U9 is a low level, the second optocoupler U6 conducting, bus is in short-circuit condition, the voltage signal of output pressure reduction 0V.
Claims (9)
1. an intelligent illuminating system is characterized in that comprising a master controller (1), 1～64 slave controller (2) and the light fixture that links to each other with slave controller (3), and master controller (1) links to each other with slave controller (2) by bus; Said master controller (1) comprises first microcontroller (4), master controller instruction sending module (5), master controller signal receiving module (6), first power transfer module (7), first clock and interrupt module (8), be used to import first Users panel (9) and the LED display module (11) of command value to be sent, wherein, first power transfer module (7), first clock links to each other with first microcontroller (4) with interrupt module (8) and first Users panel (9), LED display module (11) links to each other with first microcontroller (4) and first Users panel (9), input termination first microcontroller (4) of master controller instruction sending module (5), the output termination bus of master controller instruction sending module (5), output termination first microcontroller (4) of master controller signal receiving module (6), the input termination bus of master controller signal receiving module (6); Said slave controller comprises second microcontroller (12), second clock and interrupt module (13), be used to set second Users panel (14) of slave controller address, slave controller sending module (15), slave controller receiver module (16), second source modular converter (17), A/D modular converter (18), light sensor (19), D/A modular converter (20) and PWM be output module (21) relatively, wherein, second clock and interrupt module (13), second Users panel (14), second source modular converter (17), A/D modular converter (18) links to each other with second microcontroller (12) with D/A modular converter (20), light sensor (19) links to each other with A/D modular converter (18), the PWM relatively input of output module (21) links to each other with D/A modular converter (20), the PWM relatively output of output module (21) links to each other with light fixture (3), input termination second microcontroller (12) of slave controller sending module (15), the output of slave controller sending module (15) links to each other with bus, the input termination bus of slave controller receiver module (16), output termination second microcontroller (12) of slave controller receiver module (16).
2. intelligent illuminating system according to claim 1 is characterized in that the fluorescent lamp of light fixture (3) for Halogen lamp LED or external dimming ballast.
3. intelligent illuminating system according to claim 1 is characterized in that first microcontroller (4) of master controller is connected with RS485/232 interface (10).
4. intelligent illuminating system according to claim 1 is characterized in that master controller instruction sending module and master controller signal receiving module comprise reverse chip (U3), comparable chip (U4) and three triodes (Q1), (Q2) and (Q3).
5. intelligent illuminating system according to claim 1, it is characterized in that slave controller instruction sending module and slave controller signal receiving module comprise first optocoupler (U5), second optocoupler (U6) and three reversers (U7), (U8), (U9), the input of first reverser (U7) links to each other with the output of first optocoupler (U5), the output of second reverser (U8) links to each other with the input of second optocoupler (U6), and the input of second reverser (U8) links to each other with the output of the 3rd reverser (U9).
6. the control method of intelligent illuminating system according to claim 1, it is characterized in that master controller sends the master control comprise address and light adjusting grade information and instructs on the bus, the slave controller identical with the master control instruction address requires the light fixture light modulation according to light adjusting grade, and send the address feedback command to bus, master controller receives the address feedback command of slave controller, and light modulation is operated whether successful execution is judged.
7. the control method of intelligent illuminating system according to claim 6, the coded format that it is characterized in that the instruction of master controller and slave controller is a Manchester code, the bus communication frequency is 1200bit/s, and transmit with half-duplex mode, two-wire voltage differential driving, represent " height " level when voltage difference is greater than 9.5V between two-wire, represent " low " level when voltage difference is less than 6.5V between two-wire.
8. the control method of intelligent illuminating system according to claim 6, it is characterized in that the 19bit Frame of master control instruction that master controller (1) sends for forming by 1bit start bit, 8bit address bit, 8bit light modulation value position and 2bit position of rest, wherein the 8bit address bit is divided into physical address, group address and three kinds of address patterns of broadcast address, corresponding 256 the logarithm light adjusting grades in 8bit light modulation value position.
9. the control method of intelligent illuminating system according to claim 6, it is characterized in that the address feedback command that slave controller (2) sends is by the 1bit start bit, the 11bit Frame that 8bit address bit and 2bit position of rest are formed, wherein the 8bit address bit is divided into physical address, group address and three kinds of address patterns of broadcast address.
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| CNB2006100519146A CN100558210C (en) | 2006-06-09 | 2006-06-09 | A kind of intelligent illuminating system and control method thereof |
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| CNB2006100519146A CN100558210C (en) | 2006-06-09 | 2006-06-09 | A kind of intelligent illuminating system and control method thereof |
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| CN100558210C true CN100558210C (en) | 2009-11-04 |
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Assignee: Nanjing Tiansu Automation Control System Co., Ltd. Assignor: Zhejiang University Contract record no.: 2010320001102 Denomination of invention: Intelligent illumination system, and control method Granted publication date: 20091104 License type: Exclusive License Open date: 20061206 Record date: 20100831 |
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