CN103412528A - Novel electronic control dimming material control system - Google Patents
Novel electronic control dimming material control system Download PDFInfo
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Abstract
The invention belongs to the field of electronic control, and discloses a novel electronic control dimming material control system which is characterized by comprising a main control station, an internet, dimming material drivers, a dimming material group and a power supply device, wherein the internet is formed by a router, a network packet receiver and network transmission media between the router and the network packet receiver. The main control station sends a main control station signal to the internet through the router. The network packet receiver receives control signals in the internet, then unpacks the control signals, and sends the control signals to the dimming material drivers. The power supply device provides electricity for the dimming material drivers. The dimming material drivers receive the control signals to carry out address comparison, the control signals are converted to driving signals of the dimming material group after the dimming material drivers receive the control signals belonging to a local address, and therefore the dimming material group is controlled. The novel electronic control dimming material control system can carry out rapid, accurate and independent control on the group of dimming materials of a huge number.
Description
Technical field
The invention belongs to field of electric control, relate to a kind of novel electric-controlled light-regulating control of material system, for controlling the array of display formed by polylith electric-controlled light-regulating material, the electronic control system that is characterized in accurately controlling the transparency of each piece light control material and changes sequential.
Background technology
The electronic control type light control material is that liquid crystal film and battery lead plate are compounded in to light transmission material centre or surperficial, makes it present the material of transparent, translucent and opaque state by control electrode plate both end voltage.Based on the adjustable characteristic of light control material transparency, can be used for secret protection, projection imaging and automobile every purposes such as light.
But, in application scenes, need to carry out fast one group of huge light control material of quantity, accurately, independently control, even need the opacity of each light control material unit in the light control material group is carried out to multistage adjustment.Such as using light control material group design of graphics picture.
The patent of invention of application number 201110103020.8 " the Smart Home use in toilet is responded to dimming glass system automatically " discloses a kind of infrared-sensing type electric-controlled light-regulating control of material system, but this system only can be controlled the unification of electric-controlled light-regulating material group and works in and open and turn-off two states.
The utility model patent of application number 201020527759.2 " smart glass controller " discloses a kind of controller that the electric-controlled light-regulating material is operated in different transparencies that drives, but this controller only can be controlled an independent electric-controlled light-regulating material, even the mode by the cascade of polylith controller at most also can only be controlled 512 blocks of electric-controlled light-regulating materials, and need complicated address setup procedure.
Based on traditional, make the mode of connecting and disconnecting of the circuit control the demand that light control material can't fully meet above-mentioned scene by switch, and a kind of light control material set control system scheme that above-mentioned scene requires that meets do not occur so far.
Summary of the invention
For the problems referred to above that exist in extensive electric-controlled light-regulating control of material, the invention provides a kind of novel extensive light control material control system, can carry out fast one group of huge light control material of quantity, accurately, independently control.
For achieving the above object, the present invention adopts following technical scheme:
A kind of novel electric-controlled light-regulating control of material system, comprise master station, communication network device, light control material driver, light control material group and power-supply device.Wherein,
Described master station, be connected with the network that the described network equipment forms with described light control material driver, but comprise the input parameter group and to its processor of processing and the equipment that can connect communication network device.Described control desk is processed the parameter group of user's input to generate light control material group control signal, and light control material group control signal is sent in the grid of described communication network device composition by described communication network device.
Described communication network device can be the equipment of network router or other network communication modes.Described communication network device is used for building LAN, or is connected in internet by it.Described communication network device can sending and receiving communication network packet.
Described light control material driver can be to be the system that main control module is built by microprocessor.Described light control material driver is connected with described light control material group, can send at least the control signal that can drive in described light control material group one or several light control materials unit.
Described light control material group, be connected with described light control material driver, can be electronic control type dimming glass group.In described light control material group, the light control material element number is minimum can be 1 unit, and theoretic transformation is relevant with the procotol of using.
Described power-supply device can be to exchange to turn direct-current switch power supply.For described light control material driver power supply.
The present invention compares with existing control system, has the following advantages:
It is wide that the present invention can control light control material element number scope, and theoretic transformation is relevant with the procotol of using.Under the constraint of certain response time, its quantity can reach 4 * 10
3.
The present invention can carry out multistage adjustment to the opacity of each light control material unit, and opacity progression is relevant with the control signal figure place of using.Can use 8 control signals to produce 256 grades of opacities, human eye can't be told the variation of adjacent rank opacity with this understanding, can simulate the stepless adjustment of opacity.
The present invention can control each light control material unit in the light control material group accurately, independently.In the light control material group, there is independently address each light modulation unit, and assurance light control material driver is controlled the light control material unit exactly.
The present invention can control the light control material group rapidly.In the light control material group, each light control material cell response time can reach a millisecond rank, and the whole refreshing frequency of light control material group is relevant with element number in the light control material group.
The accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of the embodiment of the present invention, and in figure: 1 is master station, and 2 is internet, and 201 is router, and 202 is the network packet receiver, and 301～305 is the light control material driver, and 401～405 is the light control material group, and 5 is power-supply device;
Fig. 2 is main control software process flow diagram in the embodiment of the present invention;
Fig. 3 is network packet receiver hardware elementary diagram in the embodiment of the present invention;
Fig. 4 is network packet receiver software flow pattern in the embodiment of the present invention;
Fig. 5 is light control material driver hardware schematic diagram in the embodiment of the present invention;
Fig. 6 is light control material driver software process flow diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Following embodiment forms as system for the light control material of building based on the present invention.Content of the present invention also is not limited to concrete element, circuit and the communication protocol related in embodiment.
The system architecture schematic diagram of embodiment as shown in Figure 1, comprise: master station 1, by the internet 2 that router two 01 and network packet receiver 202 and the Network Transfer Media between them form, light control material driver 301～305, light control material group 401～405, and power-supply device 5.
The software flow pattern of master station 1 as shown in Figure 2.At first, receive by the keyboard input or text imports or the parameter array of the light control material opacity that comprises temporal information that algorithm draws.Then, every 10 seconds broadcast (sites) in turn Art-Net handshake, whether network packet receiver 202 equipment are arranged in Network Search.If network packet receiver 202 equipment are arranged in network, receive after the Art-Net handshake and return to the Art-Net parameter that the machine is relevant, mean to shake hands successfully.After shaking hands successfully, by Art-Net return parameters data packet analysis, obtain the parameters such as network packet receiver 202 IP address of equipment.Finally, master station 1 software will be packaged as the Art-Net packet according to parameter group, and the packet after packing is crossed router 201 according to its time information exchange and sent in internet 2.
The hardware elementary diagram of network packet receiver 202 as shown in Figure 3, comprises IP signal acquisition module, receiver microprocessor module and signal transmitting module.
The IP signal acquisition module, be comprised of network signal process chip W5100 and peripheral circuit thereof, is converted into SPI signal output for inputting the network signal packet.R1, R2 series connection, between W5100 chip RSET-BG pin and ground, are W5100 internal simulation circuit part ground connection, and it is 1% precision resister that R1, R2 require to be the 12K precision.The MISO of W5100 chip, MOSI, CS, SCK pin connect respectively the SPI interface pin that receiver microprocessor ATmega2560 is corresponding.The SEN pin of W5100 chip connects the SPI chip selection signal pin CS of ATmega2560 by the 74HC04 phase inverter.The * RESET of W5100 chip, * INT meet respectively two IO pin * RESET, the * INT of ATmega2560, to reset and initialization W5100 chip.LED2, LED3, LED4, LED5 are signal designation LED, connect respectively W5100 chip TXLED, RXLED, COLLED, SPDLED pin, and R9, R10, R11, R12 are signal designation LED current-limiting resistance.R7, X1, C8, C7 form W5100 chip clock forming circuit.JACK1 is standard RJ45 network interface socket.C4, C3 are signal filtering electric capacity, and R3, R4, R5, R6 are the signal current-limiting resistance.R13, R14 are LED current-limiting resistance on socket, and L2 is the work indication LED.Socket TX+, TX-, RX+, RX-pin connect respectively W5100 chip TXOP, TXON, RXOP, RXIN pin.
The receiver microprocessor module, by receiver microprocessor chip ATmega2560 and peripheral circuit thereof, formed, for receiving the SPI signal of IP signal acquisition module output, and by house software, signal is processed, successively network signal is transferred to Art-Net and DMX512 signal.The MISO of module, MOSI, CS, SCK, * RESET, * INT pin connect respectively the pin that the W5100 chip is corresponding; The TXD0 of module～3 pins connect respectively the DI pin of U2 in signal transmitting module～U5 chip.
Signal transmitting module, mainly consist of level transferring chip MAX485 and peripheral circuit thereof, for the DMX512 signal of the Transistor-Transistor Logic level by the output of receiver microprocessor module, is converted to DMX512 signal the transmission of the output of RS485 difference.In Fig. 3, U2, U3, U4, U5 are the MAX485 chip, transfer the TTL rs 232 serial interface signal of input to the RS485 differential output signal respectively.U2, U3, U4, U5 chip DI pin connect respectively TXD0, TXD1, TXD2, the TXD3 pin of ATmega2560, and U2, U3, U4, U5 chip B, A pin are received output interface D-OUT0, D+OUT0, D-OUT1, D+OUT1, D-OUT2, D+OUT2, D-OUT3, D+OUT3 by R15, R16, R17, R18, R19, R20, R21, R22 current-limiting resistance respectively.
Light control material driver 301～305, be connected with light control material group 401～405 with network packet receiver 202, by power-supply device 5 power supplies, produces the required PWM of light control material group 401～405 and drive signal.Its schematic block circuit diagram as shown in Figure 5, comprises TTL-RS485 signal conversion module, driver microprocessor module and drives the signal modulation module.
TTL-RS485 signal conversion module, mainly consist of level transferring chip MAX485 and peripheral circuit thereof, for the DMX512 signal by the input of RS485 difference, is converted to the DMX512 signal of the Transistor-Transistor Logic level of driver microprocessor input.In Fig. 5, U1, U3 are the MAX485 chip, and U1 transfers the RS485 differential input signal to single-chip microcomputer TTL rs 232 serial interface signal, and U3 transfers single-chip microcomputer TTL rs 232 serial interface signal to the RS485 differential output signal.The driver connected microprocessor PD6 of U1 chip RO pin pin, the driver connected microprocessor PD5 of U3 chip DI pin pin, U1, U3 chip B, A pin are received interface D-in, D+in, D-out, D+out by R1, R2, R6, R7 current-limiting resistance respectively.
Drive microprocessor module, by driving microprocessor chip STM8S103F3P6 and peripheral circuit, form, DMX512 signal for the Transistor-Transistor Logic level by TTL-RS485 signal conversion module output carries out the signal processing by house software, transfers the DMX512 signal to pwm signal output.The module input interface connects the SPI output interface of IP signal acquisition module, and module is output as pwm signal.U2 in Fig. 5 is the STM8S103F3P6 microprocessor chip.R3, C5 form the chip power automatic reset circuit, and C6 forms driver microprocessor chip clock forming circuit for power supply filter capacitor, X1, C3, C4.DMX512 signal baud rate is 250000Baud, and the DMX512 Refresh Data time that every frame comprises 512 road signals is about 16 milliseconds, and the Best-case Response Time that can meet each light control material unit reaches the needs of millisecond magnitude.The DMX512 signal has independently address, with assurance, each material cell is carried out accurately, is independently controlled.The correspondence 8 bit data positions of each address of DMX512 signal, the light control material driver receives the DMX512 signal, produces the driving signal that 256 grades of different dutycycles are arranged, and can meet each light control material unit is carried out to the demand that 256 grades of opacities are controlled.
Drive the signal modulation module, for generation of the driving signal of light control material needs.Q2 in Fig. 5, R9, R12, C7 form the pwm signal modulation circuit, the pwm signal of driver microprocessor I/O mouth PD3 output is modulated the direct current signal of power-supply device 5 outputs by the break-make of controlling triode Q2, after the direct current formed through Q1, Q3, Q4, Q5, Q6, Q7, Q8, R8, R10, R13, R14, R15, R16, R17, R18, R19 is again delivered the stream inverter circuit, produce the required driving signal of light control material group 401～405.Direct current is delivered in the stream inverter circuit, and when driver microprocessor I/O mouth POWHz was low level, Q1, Q3, Q5, Q7 turn-offed, Q4, Q6, Q8 conducting, and W+ is output as the power supply signal after 0, W-is output as the PWM modulation; When POWHz is high level, Q1, Q3, Q5, Q7 conducting, Q4, Q6, Q8 turn-off, and power supply signal, W-that W+ is output as after the PWM modulation are output as 0.
Light control material driver 301～305 software flow patterns as shown in Figure 6.Light control material driver 301～305 receives the DMX512 signal that Art-Net signal receiver 202 certain PORT send.Light control material driver 301-305 has and belongs to DMX512 the machine, unique address.Light control material driver 301～305 after receiving the DMX512 signal contrasts address in the DMX512 signal and the machine DMX512 address, converts the control signal corresponding with the machine address to pwm signal.
Power-supply device 5 is for generation of the required d. c. voltage signal of light control material driver 301～305.
Light control material group 401～405 can be that dimming glass, light modulation film etc. can be realized automatically controlled light control material.
Claims (5)
1. novel electric-controlled light-regulating control of material system, it is characterized in that carrying out fast one group of huge light control material of quantity, accurately, independently control, comprise: master station 1, the internet 2 formed by router two 01 and network packet receiver 202 and the Network Transfer Media between them, light control material driver 301～305, light control material group 401～405, and power-supply device 5; Wherein,
Described master station 1, it is a computer, with router two 01, be connected, for the parameter group by input, process the control signal generated based on the light control material group 401～405 of Art-Net agreement, and described control signal is sent in internet 2 by router two 01;
Described internet 2, be LAN, consists of network router 201, network packet receiver 202 and the Network Transfer Media between them; Described network packet receiver 202, adopt the Art-Net receiver, with light control material driver 301～305, be connected, the Art-Net packet sent for receiving described master station 1, and the Art-Net signal is converted to the DMX512 signal, finally send the DMX512 signal to described light control material driver 301～305;
Described light control material driver 301～305, be connected with light control material group 401～405 with network packet receiver 202, by power-supply device 5 power supplies, produces the required driving signal of light control material group 401～405; Light control material driver 301～305 receives the DMX512 signal that Art-Net signal receiver 202 certain PORT send; Light control material driver 301-305 has and belongs to DMX512 the machine, unique address; Light control material driver 301～305 after receiving the DMX512 signal contrasts address in the DMX512 signal and the machine DMX512 address, converts the control signal corresponding with the machine address to the driving signal;
Described light control material group 401～405 can be that dimming glass, light modulation film etc. can be realized automatically controlled light control material;
Described power-supply device 5, for generation of the required d. c. voltage signal of light control material driver 301～305.
2. a kind of novel electric-controlled light-regulating control of material system according to claim 1, is characterized in that, described network packet receiver 202 also comprises: IP signal acquisition module, receiver microprocessor module and signal transmitting module; Wherein,
Described IP signal acquisition module, be comprised of network signal process chip W5100 and peripheral circuit thereof, is converted into SPI signal output for inputting the network signal packet; The MISO of W5100 chip, MOSI, CS, SCK pin the SPI interface pin corresponding with receiver microprocessor ATmega2560 respectively are connected; The SEN pin of W5100 chip connects the SPI chip selection signal pin CS of ATmega2560 by the 74HC04 phase inverter; The * RESET of W5100 chip, * INT meet respectively two IO pin * RESET, the * INT of ATmega2560, to reset and initialization W5100 chip; R7, X1, C8, C7 form W5100 chip clock forming circuit;
Described receiver microprocessor module, by receiver microprocessor chip ATmega2560 and peripheral circuit thereof, formed, for receiving the SPI signal of IP signal acquisition module output, and by house software, signal is processed, successively network signal is transferred to Art-Net and DMX512 signal; The MISO of module, MOSI, CS, SCK, * RESET, * INT pin connect respectively the pin that the W5100 chip is corresponding; The TXD0 of module～3 pins connect respectively the DI pin of U2 in signal transmitting module～U5 chip;
Described signal transmitting module, consist of 4 level transferring chip MAX485 and peripheral circuit thereof, for the DMX512 signal of the Transistor-Transistor Logic level by the output of receiver microprocessor module, is converted to DMX512 signal the transmission of the output of RS485 difference; 4 MAX485 chips transfer the TTL rs 232 serial interface signal of input to the RS485 differential output signal respectively; The DI pin of 4 MAX485 chips connects respectively TXD0, TXD1, TXD2, the TXD3 pin of ATmega2560, and B, A pin are received output interface D-OUT0, D+OUT0, D-OUT1, D+OUT1, D-OUT2, D+OUT2, D-OUT3, D+OUT3 by R15, R16, R17, R18, R19, R20, R21, R22 current-limiting resistance respectively.
3. a kind of novel electric-controlled light-regulating control of material system according to claim 1 and 2, it is characterized in that, described network packet receiver 202 can have 1～8 PORT, each PORT all can send the DMX512 signal independently, each frame data of DMX512 signal can be controlled 512 light control material unit, the electric-controlled light-regulating control of material system of therefore building based on the network packet receiver 202 that 8PORT is arranged at most, controllable light control material quantity is: 512 * 8=4096 ≈ 4 * 10
3.
4. a kind of novel electric-controlled light-regulating control of material system according to claim 1 and 2, it is characterized in that, the baud rate of the DMX512 signal that described receiver microprocessor module generates is 250000Baud, the DMX512 Refresh Data time that every frame comprises 512 road signals is about 16 milliseconds, and the Best-case Response Time that can meet each light control material unit reaches the needs of millisecond magnitude; The DMX512 signal has independently address, with assurance, each light control material unit is carried out accurately, independently controls; The correspondence 8 bit data positions of each address of DMX512 signal, the light control material driver receives the DMX512 signal, produces the driving signal that 256 grades of different dutycycles are arranged, and can meet each light control material unit is carried out to the demand that 256 grades of opacities are controlled.
5. a kind of novel electric-controlled light-regulating control of material system according to claim 1, is characterized in that, described light control material driver 301～305 also comprises: TTL-RS485 signal conversion module, driving microprocessor module and driving signal modulation module; Wherein,
Described TTL-RS485 signal conversion module, consist of 2 level transferring chip MAX485 and peripheral circuit thereof, for the DMX512 signal by the input of RS485 difference, is converted to the DMX512 signal of the Transistor-Transistor Logic level that drives the microprocessor input; The RO pin of a MAX485 chip connects the PD6 pin that drives microprocessor module STM8S103F3P6 microprocessor chip, B, A pin are received interface D-in, D+in by current-limiting resistance R1, R2 respectively, transfer the RS485 differential input signal to single-chip microcomputer TTL rs 232 serial interface signal; The DI pin of another MAX485 chip connects the PD5 pin of STM8S103F3P6 chip, and B, A pin are received interface D-out, D+out by current-limiting resistance R6, R7 respectively;
Described driving microprocessor module, by driving microprocessor chip STM8S103F3P6 and peripheral circuit, form, DMX512 signal for the Transistor-Transistor Logic level by TTL-RS485 signal conversion module output carries out the signal processing by house software, transfers the DMX512 signal to pwm signal output; Described driving microprocessor module input interface connects IP signal acquisition module output SPI interface, is output as pwm signal; R3, C5 form the chip power automatic reset circuit, and X1, C3, C4 form clock forming circuit;
Described driving signal modulation module, for generation of the driving signal of light control material needs; Q2, R9, R12, C7 form the pwm signal modulation circuit, the pwm signal of described driving microprocessor I/O mouth PD3 output is modulated the direct current signal of power-supply device 5 outputs by the break-make of controlling triode Q2, after the direct current formed through Q1, Q3, Q4, Q5, Q6, Q7, Q8, R8, R10, R13, R14, R15, R16, R17, R18, R19 is again delivered the stream inverter circuit, produce the required driving signal of light control material group 401～405.
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| CN104297965A (en) * | 2014-09-24 | 2015-01-21 | 深圳市奥普利斯光电有限公司 | Wireless control method and system of smart dimming film |
| CN105050297B (en) * | 2015-09-09 | 2018-03-27 | 上海玮舟微电子科技有限公司 | Light adjusting system and method based on light modulation film |
| CN105050297A (en) * | 2015-09-09 | 2015-11-11 | 上海玮舟微电子科技有限公司 | Light adjusting system and light adjusting method based on light adjusting film |
| CN108628018A (en) * | 2017-03-22 | 2018-10-09 | 上海幻玻智能科技有限公司 | A kind of multiple toilet dimming glass partition control systems |
| CN108628018B (en) * | 2017-03-22 | 2022-03-15 | 上海幻玻智能科技有限公司 | Dimming glass partition control system for multiple toilets |
| CN107238950A (en) * | 2017-07-10 | 2017-10-10 | 南京工道液晶材料科技有限公司 | The intelligent electric-controlled glass and implementation method of a kind of sequential power supply |
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