WO2018090878A1 - 一种智能调光控制器 - Google Patents

一种智能调光控制器 Download PDF

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Publication number
WO2018090878A1
WO2018090878A1 PCT/CN2017/110589 CN2017110589W WO2018090878A1 WO 2018090878 A1 WO2018090878 A1 WO 2018090878A1 CN 2017110589 W CN2017110589 W CN 2017110589W WO 2018090878 A1 WO2018090878 A1 WO 2018090878A1
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Prior art keywords
dimming
control
control module
module
circuit
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PCT/CN2017/110589
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English (en)
French (fr)
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罗中良
刘炳辉
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罗中良
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Publication of WO2018090878A1 publication Critical patent/WO2018090878A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the utility model relates to the field of dimming technology, in particular to an intelligent dimming controller.
  • a dimming controller a device that controls the brightness of lights, is widely used in hotels, office buildings, stadiums, homes, conference rooms, multi-purpose conference halls, and the like.
  • 0-10V is an analog lighting control standard that actually changes a 0-10V voltage signal to control the brightness of the light. Initially 0-10V control is used in the theater. The lighting console provides a separate 0-10V output signal for the connected dimming module dimming channel. It is also used in fluorescent lamp drivers and is now popular in LED drivers.
  • 0-10V dimming controller is often used in dimming control of fluorescent lamps. Now, because a constant power supply is added to the LED driver module and there is a special control circuit, the 0-10V dimmer can also support a large number of LAMP lighting. However, the low-voltage control signal requires an additional set of external lines, which greatly increases the requirements for construction, and the production and installation costs are also greatly increased.
  • the utility model provides an intelligent dimming controller, which solves the problem that the microprocessor control module controls the relay control module and the dimming control module to realize the interference-free closing, disconnecting and 0-10V high-precision dimming of the dimming load. And by setting the bus communication module to communicate with the communication terminal to realize the technical problem of remote control.
  • the utility model provides an intelligent dimming controller, which is provided with a microprocessor control module, a power conversion module, a bus communication module, a relay control module and a dimming control connected to the microprocessor control module. a module; the relay control module and the dimming control module are externally connected to the dimming load;
  • the power conversion module is provided with a buck-boost conversion circuit and a regulated power supply circuit; the buck-boost conversion circuit is connected to an external DC voltage, and the first operating voltage is outputted to the relay through a buck-boost conversion circuit.
  • the control module outputs a second working voltage to the dimming control module, and the second working voltage is adjusted by the regulated power supply circuit to output a third working voltage to the microprocessor control module, the bus communication module, and the dimming control Module
  • the bus communication module accesses the communication device, transmits the communication command of the communication device to the microprocessor control module or transmits the historical data stored by the microprocessor control module to the communication device.
  • the microprocessor control module receives the communication command transmitted by the bus communication module, and sends an on/off control signal to the relay control module according to the communication command, and sends a dimming control signal to the dimming control module; historical data;
  • a relay control module receives an on/off control signal of the microprocessor control module, and controls closing and opening of the dimming load according to the on/off control signal;
  • the dimming control module receives the dimming control signal, and controls to output a PWM dimming signal of 0 to 10V to the dimming load according to the dimming control signal.
  • bus communication module is provided with an RS485 bus control interface that communicates the microprocessor control module and the communication device through a network, and the microprocessor control module decodes the remote control signal of the communication device to implement point control and group Control, time control, scene control, sensor automatic control, wireless WIFI control and computer centralized control.
  • the relay control module is provided with a pulse-controlled magnetic holding relay;
  • the dimming control module is provided with a dimming control circuit.
  • the dimming control loop is the same as the number of magnetic holding relays; the number of the dimming control loops or the magnetic holding relays is at least one.
  • the dimming control circuit is provided with an opto-isolation circuit, an RC filter circuit and an output protection circuit; the opto-isolation circuit is connected to the microprocessor control module and receives a dimming control signal, the dimming control signal After the optocoupler transform arrives at the RC filter circuit, it is filtered to the output protection circuit, and the operational amplifier of the output protection circuit is amplified to output a PWM analog dimming signal to the dimming load.
  • the output protection circuit is provided with a forward-connected anti-reverse diode.
  • microprocessor control module is provided with a main control chip and a storage connected to the main control chip Chip, DIP switch, LED indicator, loop function button and dry contact.
  • the storage chip stores historical data; the dial switch corresponds to a programming address of the main control chip; the LED indicator is provided with a CPU indicator and a dimming loop indicator, and the main control chip controls The blinking frequency of the CPU indicator and the dimming loop indicator to indicate different working status information; the loop function button controls closing and opening of the dimming control loop, or a button programmed according to the main control chip The operational combination completes the specified response; the dry contact receives an external emergency signal and sends it to the master chip.
  • the external emergency signal includes a fire protection signal.
  • the precision of the dimming control signal of the main control chip is 16 bits and 65535 levels.
  • the utility model provides an intelligent dimming controller, which realizes the interference-free closing and disconnection of the dimming load through the MCU control module control relay control module, and avoids the micro-brightness and flicker phenomenon after the dimming load is turned off;
  • the MCU control module sends a 16-bit 65535 dimming signal to the dimming control module to achieve high-precision dimming of the dimming load, the dimming is soft and uniform, and the dimming range is large;
  • the communication module and the communication terminal are connected by setting the bus communication module. Point control, group control, time control, scene control, sensor automatic control, wireless WIFI control and computer centralized control are more intelligent and more widely applicable.
  • the utility model provides an intelligent dimming controller, which can realize intelligent dimming and multi-function control without additional external lines, is economical, and can be replaced with data recovery after any module is damaged, and is more humanized. It also reduces the user's post-maintenance burden.
  • FIG. 1 is a block diagram of a smart dimming controller provided by the present invention.
  • 2-1 is a circuit schematic diagram of a power conversion module of an intelligent dimming controller provided by the present invention
  • 2-2 is a circuit schematic diagram of a bus communication module of an intelligent dimming controller provided by the present invention.
  • 2-3 is a circuit schematic diagram of a relay control module of an intelligent dimming controller provided by the present invention.
  • 2-4 is a circuit schematic diagram of a dimming control module of an intelligent dimming controller provided by the present invention
  • 2-5 is a circuit schematic diagram of a microprocessor control module of an intelligent dimming controller provided by the present invention
  • 2-6 is a circuit schematic diagram of a signal receiving point of an intelligent dimming controller provided by the present invention.
  • FIG. 1 is a block diagram of a smart dimming controller provided by the present invention
  • FIG. 2-1 is a circuit schematic diagram of a power module of an intelligent dimming controller provided by the present invention.
  • the intelligent dimming controller is provided with a microprocessor control module 10, a power conversion module 20 connected to the microprocessor control module 10, a bus communication module 30, and a relay control module 40.
  • the dimming control module 50; the relay control module 40 and the dimming control module 50 are externally connected to the dimming load LOAD, and in this embodiment, the LAMP0-LAMP3 is used as an external load;
  • the power conversion module 20 is provided with a buck-boost conversion circuit 21 and a regulated power supply circuit 22; the buck-boost conversion circuit 20 is connected to an external DC voltage of 24V (15-36V), and is adjusted by the buck-boost conversion circuit 21 An operating voltage of 24V to the relay control module 40, outputting a second operating voltage 12V to the dimming control module 50, the second operating voltage 12V is regulated by the regulated power supply circuit 22 to output a third operating voltage of 5V (VDD) To the microprocessor control module 10, the bus communication module 30 and the dimming control module 50;
  • the bus communication module 30 accessing the communication device NET-DEVICE, transmitting the communication command of the communication device NET-DEVICE to the microprocessor control module 10 or transmitting the historical data stored by the microprocessor control module 10 to the communication device NET- DEVICE.
  • the microprocessor control module 10 receives the communication command of the bus communication module to transmit 30, and according to The communication command sends an on/off control signal to the relay control module 40, and sends a dimming control signal to the dimming control module 50; automatically storing historical data;
  • the relay control module 30 receives the on/off control signal of the microprocessor control module 10, and controls the closing and opening of the LAMP0-LAMP3 according to the on/off control signal;
  • the dimming control module 50 receives the dimming control signal, and controls to output a PWM dimming signal of 0 to 10V to the LAMP0-LAMP3 according to the dimming control signal.
  • the bus communication module 30 is provided with an RS485 bus control interface 31 that communicates the microprocessor control module 10 and the communication device NET-DEVICE through a network, and the microprocessor control module 10 decodes the communication.
  • the remote control signal of the device NET-DEVICE realizes point control, group control, time control, scene control, sensor automatic control, wireless WIFI control and computer centralized control.
  • the relay control module 40 is provided with a pulse-controlled magnetic holding relay 41-44; the dimming control module 50 is provided with a dimming control loop L0-L3; the dimming control loop L0-L3 and the magnetic holding relay 41- 44 one-to-one correspondence with the dimming load LAMP0-LAMP3.
  • the relay control module 40 is provided with two NPN-type transistors Q1 and Q2 connected to the magnetic holding relay 41 of the magnetic holding relay 41-44, giving a high pulse to Q1, the relay is closed, and the remaining magnetic holding relays 42-44 are similarly ; Give Q2 a high pulse and the relay is disconnected.
  • Each current of the dimming control loops L0-L3 flows through the magnetic holding relays 41-44 to LAMP0-LAMP3, which eliminates the phenomenon of weak residual or flickering after turning off the LAMP0-LAMP3.
  • the dimming control loops L0-L3 are provided with opto-isolated circuits 51A-54A, RC filter circuits 51B-54B and output protection circuits 51C-54C; the opto-isolation circuits 51A-54A are connected to the microprocessor control module and receive a dimming control signal, the dimming control signal is passed through the optocoupler to the RC filter circuit 51B-54B, and is filtered to the output protection circuit 51C-54C, and amplified by the operational amplifier of the output protection circuit 51C-54C to output a PWM modulation
  • the optical signal is applied to the dimming load LAMP0-LAMP3, thereby avoiding signal interference of the external power supply to the microprocessor control module 10, so as to avoid output inaccuracy.
  • the PWM dimming signal acts on the LAMP0-LAMP3; wherein the output protection circuit 51C-54C is provided with a forward-connected anti-reverse diode D11-D14 to prevent the LAMP dimming signal from being reversed and damaging the circuit.
  • the photoelectric isolation circuit uses the chip EL357, and the operational amplifier uses the chip LM324.
  • the microprocessor control module 10 is provided with a main control chip STC-44 and a memory chip AT24C32 connected to the main control chip STC-44, a DIP switch S1 (DS-08), and an LED indicator lamp ( R-LED and LED0-LED3), loop function buttons SW1-SW4 and dry contact AUX.
  • the memory chip AT24C32 stores historical data
  • the DIP switch S1 (DS-08) is 8 bits, and the address range of 1-7 bits can be represented as 0-127.
  • the 8th bit is reserved, corresponding to the programming address of the main control chip STC-44. Up, the bit value of the bit is valid, and if the dial is down, the bit value of the bit is invalid;
  • the LED indicator light is provided with a CPU indicator light R-LED and a dimming loop indicator LED0-LED3 (the dimming loop indicator LED0-LED3 corresponds to the four-way dimming control loop L0-L3).
  • the CPU indicator light R-LED indicates that the power adjustment connection of the dimming controller is normal, and if the dimming controller is normally connected to the bus communication, the indicator light R-LED flashes once per second, if receiving the bus from the bus. The effective control command, the indicator light R-LED will flash three times quickly. If the dimming controller is disconnected from the bus, the indicator light R-LED flashes once every 3 seconds; the user observes the dimming circuit indicator LED0 -LED3 can know the working state of the dimming controller.
  • the indicator LED0-LED3 flashes quickly, it indicates that the microprocessor control module 10 is emitting a gradually dimming PWM dimming signal, if the indicator LED0-LED3 is fast Flashing, indicating that the microprocessor control module 10 is emitting a gradually dimming PWM dimming signal. If the indicator LED0-LED3 has a light off, it indicates that the dual bypass dimming control circuit corresponding to the indicator is in an off state. It is convenient for users to check to make timely response according to the inspection.
  • the loop function buttons SW1-SW4 control the closing and opening of the dimming control loops L0-L3, or complete a specified operation according to a combination of key settings programmed by a user, for example, if SW1 and SW2 are simultaneously pressed, the dimming The controller is powered on again, and each module is reset. If any module is damaged, after replacing the new module, just press and hold SW3 and SW4 at the same time, the data of the original module can be downloaded into the new module, which is more user-friendly and lighter. The user's post-maintenance burden.
  • the dry contact AUX receives an external emergency signal such as a fire signal and transmits to the main control chip STC-44, the main control chip STC-44 receives the fire protection signal, controls the relay control module 30 and the dimming control module 50, forcibly turns on the light and adjusts to the brightest.
  • an external emergency signal such as a fire signal
  • the main control chip STC-44 receives the fire protection signal
  • controls the relay control module 30 and the dimming control module 50 forcibly turns on the light and adjusts to the brightest.
  • FIG. 2-6 is a schematic circuit diagram of a signal receiving point of an intelligent dimming controller provided by the present invention, and FIG. 2-1 to 2-5 constitute a complete circuit diagram of the dimming controller.

Abstract

一种智能调光控制器，设有微处理器控制模块（10）、连接微处理器控制模块的电源转换模块（20）、总线通讯模块（30）、继电器控制模块（40）和调光控制模块（50）；继电器控制模块与调光控制模块外接调光负载。一种智能调光控制器，通过MCU控制模块控制继电器控制模块实现了调光负载的无干扰闭合、断开，避免了调光负载关断后的微亮和闪烁现象；通过MCU控制模块实现了调光负载的高精度调光，调光均匀，且调光范围大；通过设定总线通讯模块与通讯终端联通实现了点控、群控、时间控制、场景控制、感应器自动控制、无线WIFI控制及计算机集中控制，更智能化，应用性也更广。

Description

一种智能调光控制器 技术领域
本实用新型涉及调光技术领域，尤其涉及一种智能调光控制器。
背景技术
调光控制器，一种控制灯光亮度的装置，被广泛应用于酒店、办公楼、场馆、住宅、会议室、多功能会议厅等。0-10V是一模拟方式的灯光控制标准，实际上是改变一个0-10V的电压信号，从而控制灯光亮度。起初0-10V控制用于剧场，照明控制台为连接的调光模块调光通道提供单独0-10V输出信号，也用于日光灯驱动器，现在流行于LED驱动器。
0-10V调光控制器之前常用在对荧光灯的调光控制上，现在，因为在LED驱动模块上加上了恒定电源，并且有专门的控制线路，故0-10V调光器同样可以支持大量的LAMP照明灯。但低电压的控制信号需要额外增加一组外部线路，这对施工的要求大大提高，同时生产与铺设成本也大幅度提升。
发明内容
本实用新型提供一种智能调光控制器，解决了通过微处理器控制模块控制继电器控制模块和调光控制模块来实现调光负载的无干扰闭合、断开与0-10V高精度调光，并通过设定总线通讯模块与通讯终端联通来实现远程控制的技术问题。
为解决以上技术问题，本实用新型提供一种智能调光控制器，设有微处理器控制模块、连接所述微处理器控制模块的电源转换模块、总线通讯模块、继电器控制模块和调光控制模块；所述继电器控制模块与调光控制模块外接调光负载；
电源转换模块，设有升降压变换电路和稳压电源电路；所述升降压变换电路接入外部直流电压，经过升降压变换电路调整输出第一工作电压到所述继电 器控制模块，输出第二工作电压到所述调光控制模块，所述第二工作电压经过稳压电源电路调整输出第三工作电压到所述微处理器控制模块、总线通讯模块和调光控制模块；
总线通讯模块，接入通讯设备，传递所述通讯设备的通讯指令到微处理器控制模块或传递所述微处理器控制模块存储的历史数据到通讯设备。
微处理器控制模块，接收所述总线通讯模块传递的通讯指令，并根据所述通讯指令向所述继电器控制模块发送通断控制信号，向所述调光控制模块发送调光控制信号；自动存储历史数据；
继电器控制模块，接收所述微处理器控制模块的通断控制信号，并根据所述通断控制信号控制调光负载的闭合与断开；
调光控制模块，接收所述调光控制信号，并根据所述调光控制信号控制输出0到10V的PWM调光信号到调光负载。
进一步地，所述总线通讯模块设有通过网络联通所述微处理器控制模块与通讯设备的RS485总线控制接口，所述微处理器控制模块解码所述通讯设备的远程控制信号实现点控、群控、时间控制、场景控制、感应器自动控制、无线WIFI控制及计算机集中控制。
进一步地，所述继电器控制模块设有脉冲控制的磁保持继电器；所述调光控制模块设有调光控制回路。
更进一步地，所述调光控制回路与磁保持继电器个数相同；所述调光控制回路或磁保持继电器个数为至少一个。
更进一步地，所述调光控制回路设有光电隔离电路、RC滤波电路和输出保护电路；所述光电隔离电路连接所述微处理器控制模块并接收调光控制信号，所述调光控制信号经过光耦变换到达RC滤波电路，经过滤波到达输出保护电路，由所述输出保护电路的运算放大器放大后输出PWM模拟调光信号到调光负载。
更进一步地，所述输出保护电路设有正向连接的防反接二极管。
进一步地，所述微处理器控制模块设有主控芯片和连接于主控芯片的存储 芯片、拨码开关、LED指示灯、回路功能按键和干触点。
更进一步地，所述存储芯片存储历史数据；所述拨码开关对应所述主控芯片的编程地址；所述LED指示灯设有CPU指示灯和调光回路指示灯，所述主控芯片控制CPU指示灯和调光回路指示灯的闪烁频率以指示不同的工作状态信息；所述回路功能按键调控所述调光控制回路的闭合与断开，或根据所述主控芯片编程设定的按键操作组合完成指定响应；所述干触点接收外部紧急信号并发送到所述主控芯片。
更进一步地，所述外部紧急信号包括消防信号。
进一步地，所述主控芯片的调光控制信号精度为16位65535级。
本实用新型提供的一种智能调光控制器，通过MCU控制模块控制继电器控制模块实现了调光负载的无干扰闭合、断开，避免了调光负载关断后的微亮和闪烁现象；通过MCU控制模块发送16位65535级调光信号到调光控制模块实现了调光负载的高精度调光，调光柔和均匀，且调光范围大；通过设定总线通讯模块与通讯终端联通实现了点控、群控、时间控制、场景控制、感应器自动控制、无线WIFI控制及计算机集中控制，更智能化，应用性也更广。实用新型提供的一种智能调光控制器，无需额外增设外部线路便可实现智能调光与多功能控制，经济实惠，并且当任意模块损坏后均可带数据恢复的再替换，更人性化，也减轻了用户后期维修负担。
附图说明
图1是本实用新型提供的一种智能调光控制器的模块结构图；
图2-1是本实用新型提供的一种智能调光控制器的电源转换模块的电路原理图；
图2-2是本实用新型提供的一种智能调光控制器的总线通讯模块的电路原理图；
图2-3是本实用新型提供的一种智能调光控制器的继电器控制模块的电路原理图；
图2-4是本实用新型提供的一种智能调光控制器的调光控制模块的电路原理图；
图2-5是本实用新型提供的一种智能调光控制器的微处理器控制模块的电路原理图；
图2-6是本实用新型提供的一种智能调光控制器的信号接引点的电路原理图。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述。以下元器件的取值大小仅为较佳实施例，不构成对本实用新型保护范围的限制。
参见图1，是本实用新型提供的一种智能调光控制器的模块结构图；参见图2-1是本实用新型提供的一种智能调光控制器的电源模块的电路原理图。在本实施例中，所述的一种智能调光控制器，设有微处理器控制模块10、连接所述微处理器控制模块10的电源转换模块20、总线通讯模块30、继电器控制模块40和调光控制模块50；所述继电器控制模块40与调光控制模块50外接调光负载LOAD，本实施例则采用LAMP0-LAMP3作为外部负载；
电源转换模块20，设有升降压变换电路21和稳压电源电路22；所述升降压变换电路20接入外部直流电压24V(15-36V)，经过升降压变换电路21调整输出第一工作电压24V到所述继电器控制模块40，输出第二工作电压12V到所述调光控制模块50，所述第二工作电压12V经过稳压电源电路22调整输出第三工作电压5V(VDD)到所述微处理器控制模块10、总线通讯模块30和调光控制模块50；
总线通讯模块30，接入通讯设备NET-DEVICE，传递所述通讯设备NET-DEVICE的通讯指令到微处理器控制模块10或传递所述微处理器控制模块10存储的历史数据到通讯设备NET-DEVICE。
微处理器控制模块10，接收所述总线通讯模块传递30的通讯指令，并根据 所述通讯指令向所述继电器控制模块40发送通断控制信号，向所述调光控制模块50发送调光控制信号；自动存储历史数据；
继电器控制模块30，接收所述微处理器控制模块10的通断控制信号，并根据所述通断控制信号控制LAMP0-LAMP3的闭合与断开；
调光控制模块50，接收所述调光控制信号，并根据所述调光控制信号控制输出0到10V的PWM调光信号到LAMP0-LAMP3。
图2-2是本实用新型提供的一种智能调光控制器的总线通讯模块的电路原理图。在本实施例中，所述总线通讯模块30设有通过网络联通所述微处理器控制模块10与通讯设备NET-DEVICE的RS485总线控制接口31，所述微处理器控制模块10解码所述通讯设备NET-DEVICE的远程控制信号实现点控、群控、时间控制、场景控制、感应器自动控制、无线WIFI控制及计算机集中控制。
图2-3是本实用新型提供的一种智能调光控制器的继电器控制模块的电路原理图。所述继电器控制模块40设有脉冲控制的磁保持继电器41-44；所述调光控制模块50设有调光控制回路L0-L3；所述调光控制回路L0-L3与磁保持继电器41-44与调光负载LAMP0-LAMP3一一对应。所述继电器控制模块40设有与磁保持继电器41-44的磁保持继电器41连接的两个NPN型三极管Q1与Q2，给Q1一个高脉冲，该继电器闭合，其余磁保持继电器42-44同理；给Q2一个高脉冲，该继电器断开。所述的调光控制回路L0-L3的每路电流均先经过磁保持继电器41-44再流到LAMP0-LAMP3，消除了控制LAMP0-LAMP3时，关断后微弱余亮或闪烁的现象。
图2-4是本实用新型提供的一种智能调光控制器的调光控制模块的电路原理图。所述调光控制回路L0-L3设有光电隔离电路51A-54A、RC滤波电路51B-54B和输出保护电路51C-54C；所述光电隔离电路51A-54A连接所述微处理器控制模块并接收调光控制信号，所述调光控制信号经过光耦变换到达RC滤波电路51B-54B，经过滤波到达输出保护电路51C-54C，由所述输出保护电路51C-54C的运算放大器放大后输出PWM调光信号到调光负载LAMP0-LAMP3，从而避免了外部电源对微处理器控制模块10的信号干扰，以免输出不精准的 PWM调光信号，作用于LAMP0-LAMP3；其中，所述输出保护电路51C-54C设有正向连接的防反接二极管D11-D14，防止LAMP调光信号接反，损坏电路。
其中，光电隔离电路采用芯片EL357，运算放大器采用芯片LM324。
在本实施例中，所述微处理器控制模块10设有主控芯片STC-44和连接于主控芯片STC-44的存储芯片AT24C32、拨码开关S1(DS-08)、LED指示灯(R-LED和LED0-LED3)、回路功能按键SW1-SW4和干触点AUX。
所述存储芯片AT24C32存储历史数据；
所述拨码开关S1(DS-08)为8位，1-7位可表示的地址范围为0-127，第8位备用，对应所述主控芯片STC-44的编程地址，若开关拨向上，则该位的位值有效，相反若拨向下，则该位的位值无效；
所述LED指示灯设有CPU指示灯R-LED和调光回路指示灯LED0-LED3(调光回路指示灯LED0-LED3与四路调光控制回路L0-L3对应)。所述CPU指示灯R-LED亮指示该调光控制器电源连接正常，R-LED若该调光控制器正常连接上总线通讯，该指示灯R-LED每秒闪烁一次，若接收到来自总线的有效控制命令，该指示灯R-LED会迅速地闪烁三次，若该调光控制器与总线断开通讯，则指示灯R-LED每3秒闪烁一次；用户通过观察调光回路指示灯LED0-LED3即可获知该调光控制器的工作状态，若指示灯LED0-LED3快闪，表示所述微处理器控制模块10正在发出逐渐调亮的PWM调光信号，若指示灯LED0-LED3快闪，表示所述微处理器控制模块10正在发出逐渐调暗的PWM调光信号，若指示灯LED0-LED3有灯熄灭，表示对应于该指示灯的双旁路调光控制电路处于关断状态，方便用户检查以根据检查做出及时应对。
所述回路功能按键SW1-SW4控制所述调光控制回路L0-L3的闭合与断开，或根据用户编程设定的按键组合完成指定操作，比如，若SW1、SW2同时按住，该调光控制器重新上电，各个模块复位，若有任意模块损坏，更换上新模块后只需同时按住SW3、SW4后，可将备份的原模块的数据下载入新模块，更人性化，也减轻了用户后期维修负担。
所述干触点AUX接收外部紧急信号如消防信号并发送到所述主控芯片 STC-44，所述主控芯片STC-44接收到消防信号，控制继电器控制模块30及调光控制模块50，强制打开灯光并调到最亮。
当然，以上回路功能按键SW1-SW4的操作信息、CPU指示灯R-LED和调光回路指示灯LED0-LED3的指示信息及干触点AUX的信号响应等可通过程序个性化地改写。
参见图2-6，是本实用新型提供的一种智能调光控制器的信号接引点的电路原理图，与图2-1至2-5构成本调光控制器的完整电路图。
以上所述是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本实用新型的保护范围。

Claims (9)

  1. 一种智能调光控制器，其特征在于，设有微处理器控制模块、连接所述微处理器控制模块的电源转换模块、总线通讯模块、继电器控制模块和调光控制模块；所述继电器控制模块与调光控制模块外接调光负载；
    电源转换模块，设有升降压变换电路和稳压电源电路；所述升降压变换电路接入外部直流电压，经过升降压变换电路调整输出第一工作电压到所述继电器控制模块，输出第二工作电压到所述调光控制模块，所述第一工作电压经过稳压电源电路调整输出第三工作电压到所述微处理器控制模块、总线通讯模块和调光控制模块；
    总线通讯模块，接入通讯设备，传递所述通讯设备的通讯指令到微处理器控制模块或传递所述微处理器控制模块存储的历史数据到通讯设备。
    微处理器控制模块，接收所述总线通讯模块传递的通讯指令，并根据所述通讯指令向所述继电器控制模块发送通断控制信号，向所述调光控制模块发送调光控制信号；自动存储历史数据；
    继电器控制模块，接收所述微处理器控制模块的通断控制信号，并根据所述通断控制信号控制调光负载的闭合与断开；
    调光控制模块，接收所述调光控制信号，并根据所述调光控制信号控制输出0到10V的PWM调光信号到调光负载。
  2. 如权利要求1所述的一种智能调光控制器，其特征在于：所述总线通讯模块设有通过网络联通所述微处理器控制模块与通讯设备的RS485总线控制接口，所述微处理器控制模块解码所述通讯设备的远程控制信号实现点控、群控、时间控制、场景控制、感应器自动控制、无线WIFI控制及计算机集中控制。
  3. 如权利要求1所述的一种智能调光控制器，其特征在于：所述继电器控制模块设有脉冲控制的磁保持继电器；所述调光控制模块设有调光控制回路。
  4. 如权利要求3所述的一种智能调光控制器，其特征在于：所述调光控制回路与磁保持继电器个数相同；所述调光控制回路或磁保持继电器个数为至少一个。
  5. 如权利要求4所述的一种智能调光控制器，其特征在于：所述调光控制回路设有光电隔离电路、RC滤波电路和输出保护电路；所述光电隔离电路连接所述微处理器控制模块并接收调光控制信号，所述调光控制信号经过光耦变换到达RC滤波电路，经过滤波到达输出保护电路，由所述输出保护电路的运算放大器放大后输出PWM模拟调光信号到调光负载。
  6. 如权利要求5所述的一种智能调光控制器，其特征在于：所述输出保护电路设有正向连接的防反接二极管。
  7. 如权利要求1所述的一种智能调光控制器，其特征在于：所述微处理器控制模块设有主控芯片和连接于主控芯片的存储芯片、拨码开关、LED指示灯、回路功能按键和干触点。
  8. 如权利要求7所述的一种智能调光控制器，其特征在于：所述存储芯片存储历史数据；所述拨码开关对应所述主控芯片的编程地址；所述LED指示灯设有CPU指示灯和调光回路指示灯，所述主控芯片控制CPU指示灯和调光回路指示灯的闪烁频率以指示不同的工作状态信息；所述回路功能按键调控所述调光控制回路的闭合与断开，或根据所述主控芯片编程设定的按键操作组合完成指定响应；所述干触点接收外部紧急信号并发送到所述主控芯片。
  9. 如权利要求7所述的一种智能调光控制器，其特征在于：所述主控芯片的调光控制信号精度为16位65535级。
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