CN102984846A - Lighting control system and lighting devices and centering controller - Google Patents

Abstract

The invention discloses a lighting control system (100), comprising a main control machine (1), at least one driver (3), and a plurality of lighting devices (4) driven by the driver (3), characterized in that: It also includes an intermediate controller (2) corresponding to the driver (3), the main control machine (1) and the intermediate controller (2) perform first communication through a wireless communication protocol, and the intermediate controller (2) performing a second communication with the driver (3) through a wired communication protocol. The invention provides an illumination control system with low cost, convenient operation and good compatibility.

Description

A lighting control system, a lighting device and an intermediate controller

technical field

The invention relates to an illumination control system. the

Background technique

The lighting application of lighting devices in modern society is more and more extensive, and the lighting control requirements for lighting devices are also getting higher and higher, such as requiring lights to be able to switch automatically and periodically, or requiring lights to provide different lighting according to different application scenarios brightness. Usually, for colorful LED lighting devices, the DMX512 protocol is used in the prior art for dimming control. However, when using the DMX512 protocol for dimming control, it usually only supports 512 channels. An RGBW lighting device carries 4 channels, therefore, the maximum number of lighting devices that can be supported under the DMX512 protocol is 128. For the lighting of some large areas, these numbers are obviously not enough. The prior art proposes to use more controllers in order to expand the number of lighting devices. However, in case more controllers are used, the software of the controlling computer needs to be adjusted, which leads to increased complexity and incompatibilities of the overall system. In addition, DMX512 requires wired communication. In the case of large-area lighting, the number of controllers or drivers using the DMX512 protocol increases, which increases the number of control wiring, which greatly increases the wiring cost. the

Contents of the invention

The object of the present invention is to provide a new lighting control system, which can overcome the shortcomings of the prior art, and provide a low-cost, easy-to-manipulate, and good compatibility lighting control system. the

The object according to the present invention is achieved by a lighting control system, which includes a main controller, at least one driver, and a plurality of lighting devices driven by the driver, and is characterized in that it also includes an intermediate device corresponding to the driver A controller, the main control machine and the intermediate controller perform first communication through a wireless communication protocol, and the intermediate controller and the driver perform second communication through a wired communication protocol. Since the intermediate controller communicates wirelessly with the main control machine, when the number of drivers and intermediate controllers increases, no additional wiring costs for communication between the intermediate controller and the main control machine will be generated. Thus, costs are significantly reduced and system compatibility is increased. the

Preferably, the intermediate controller includes: a first communication module for the first communication and a second communication module for the second communication, the first communication module and the second communication module exchange data with each other exchange. Therefore, the intermediate controller can well realize its two functions of wireless communication and wired communication, and convert different formats of control information between these two communication modes. the

Preferably, the wireless communication protocol is ZigBee protocol. The ZigBee protocol has the advantages of large network capacity, low cost, and relay transmission, and is suitable for remote control and management and for the control of multiple lighting devices distributed in a large area. Since the main control unit and the intermediate controller adopt the ZigBee protocol, one of the intermediate controllers can transmit control information to other intermediate controllers, so that more lighting devices can be supported. Next, more than 128 lighting devices can be supported. Especially preferably, the first wireless communication protocol is a sub-protocol ZigBee Smart Light Profit or a sub-protocol ZigBee Home Automation in the ZigBee protocol. ZigBee Smart Light Profit defines commands for colored lighting and ZigBee Home Automation defines corresponding commands. Correspondingly, the first communication module is a ZigBee module, and the main control machine includes a ZigBee interface module that communicates with the ZigBee module. Users can use the ZigBee interface module to send control commands to each intermediate controller, so that it is not necessary to change the software settings when adding a new controller, which is more conducive to compatibility. the

In a specific embodiment, the wired communication protocol is DMX512 protocol. The DMX512 protocol is an international standard protocol and is widely used by various lighting control systems. Correspondingly, the second communication module is a DMX512 module and the driver is a DMX521 driver, thereby realizing a communication connection between the two. the

According to one aspect of the present invention, the intermediate controller further includes a UART interface between the ZigBee module and the DMX512 module. the

The invention also relates to a corresponding intermediate controller. the

According to the invention, a lighting control system with low cost, convenient operation and good compatibility can be provided. the

Description of drawings

In the drawings, like reference characters generally refer to the same parts throughout the different views. In the following specification, various embodiments of the invention are described with reference to the following drawings, in which:

Fig. 1 shows a schematic layout diagram of a lighting control system according to a specific embodiment of the present invention;

Fig. 2 shows a schematic layout diagram of an intermediate controller according to a specific embodiment of the present invention. the

Detailed ways

Fig. 1 shows a schematic layout diagram of a lighting control system 100 according to a specific embodiment of the present invention. The lighting control system includes a master computer 1 , a ZigBee-DMX512 intermediate controller 2 , a DMX512 driver 3 , and multiple lighting devices 4 . The master control machine 1 includes a ZigBee interface module communicating with the ZigBee module 5 of the ZigBee-DMX512 intermediate controller 2, and the two utilize the ZigBee software protocol to communicate, especially the ZigBee Smart Light Profit protocol or the ZigBee Home Automation protocol, so as to realize wireless link7. The ZigBee-DMX512 intermediate controller 2 also has a DMX512 module 6 for communicating with the DMX512 driver 3 . DMX512 driver 3 can drive multiple lighting devices 4. The corresponding relationship between the intermediate controller 2 and the DMX512 driver 3 is preferably one-to-one. the

The controller 2 can also use other wireless communication protocols to communicate with the main control machine 1 . the

Fig. 2 shows a schematic layout diagram of an intermediate controller according to a specific embodiment of the present invention. The intermediate controller 2 includes a ZigBee module 5 and a DMX512 module 6 . ZigBee module 5 and main control machine 1 utilize ZigBee agreement, preferably ZigBee Smart Light Profit agreement carries out first communication, and DMX512 module 6 is connected with the driver 3 of the DMX512 that drives a plurality of lighting devices 4 by data line. ZigBee module 5 and DMX512 module 6 communicate through the hardware interface UART 10, thereby realizing the communication between the two. the

List of Reference Signs:

100 lighting control system

1 main control machine

2 intermediate controllers

3 drives

4 multiple lighting devices

5ZigBee module

6DMX512 module

7 wireless link

10UART interface. the

Claims (13)

1. A lighting control system (100), comprising a main control machine (1), at least one driver (3), and a plurality of lighting devices (4) driven by the driver (3), characterized in that: it also includes An intermediate controller (2) corresponding to the driver (3), the main control machine (1) and the intermediate controller (2) perform first communication through a wireless communication protocol, and the intermediate controller (2) ) and the driver (3) perform a second communication through a wired communication protocol. 2. The lighting control system (100) according to claim 1, characterized in that, the intermediate controller (2) comprises: a first communication module for the first communication and a communication module for the second communication The second communication module, the first communication module and the second communication module exchange data with each other. 3. The lighting control system (100) according to claim 1 or 2, characterized in that the wireless communication protocol is a ZigBee protocol. 4. The lighting control system (100) according to claim 3, characterized in that, the first wireless communication protocol is a sub-protocol ZigBee Smart Light Profit in the ZigBee protocol. 5. The lighting control system (100) according to claim 3, characterized in that, the first wireless communication protocol is a sub-protocol ZigBee Home Automation in the ZigBee protocol. 6. The lighting control system (100) according to claim 3, characterized in that, the first communication module is a ZigBee module (5), and the main control machine (1) includes a communication module with the ZigBee module (5). ) ZigBee interface module for communication. 7. The lighting control system (100) according to claim 3, characterized in that, the wired communication protocol is a DMX512 protocol. 8. The lighting control system (100) according to Claim 7, characterized in that, the second communication module is a DMX512 module (6) and the driver (3) is a DMX521 driver. 9. The lighting control system (100) according to claim 8, characterized in that, the intermediate controller (2) also comprises a UART interface (10) between the ZigBee module (5) and the DMX512 module (6) ). 10. An intermediate controller (2) for a lighting control system (100) according to any one of claims 1-9. 11. The intermediate controller (2) according to claim 10, characterized in that it comprises a ZigBee module (5) and a DMX512 module (6). 12. The intermediate controller (2) according to claim 10, characterized in that, the ZigBee module (5) is embedded with the ZigBee Smart Light Profit protocol. 13. The intermediate controller (2) according to claim 10, characterized in that, said ZigBee module (5) is embedded with ZigBee Home Automation protocol.

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