A system and method for setting dmx address of lamps

A lamp and address technology, applied in electrical components and other directions, can solve the problems of poor common mode rejection, high bit error rate, and lamps are easily interfered, and achieve the effect of suppressing common mode interference and high degree of automation

Active Publication Date: 2022-07-26
佛山市银河兰晶科技股份有限公司
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

The existing single-line automatic sorting method uses an unbalanced transmission method to transmit address codes to the lamps, which has poor common-mode suppression ability, and the address of the lamps is very easy to be interfered during the single-line transmission process, especially when the long-distance transmission has a high bit error rate, which affects the use.

Method used

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  • A system and method for setting dmx address of lamps
  • A system and method for setting dmx address of lamps
  • A system and method for setting dmx address of lamps

Examples

Experimental program
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Embodiment 1

[0025] figure 1 This is a schematic structural diagram of the system for setting the DMX address of a lamp provided in this embodiment. As shown in 1, the lighting fixture DMX address setting system provided by the present invention includes a DMX controller and three lighting fixtures connected in sequence: lighting fixture 1, lighting fixture 2, and lighting fixture 3. In this embodiment, Lamp 1, Lamp 2, and Lamp 3 all have 10 channels, and it is desired to set the DMX address of Lamp 1 to 1, the DMX address of Lamp 2 to 11, and the DMX address of Lamp 3 to be 21.

[0026] Lamp 1, Lamp 2 and Lamp 3 have the same structure, including control module, 485 module, single-line input and output circuit and step-down circuit. The control module is connected with 485 module and single-line input and output circuit; the input end of step-down circuit is connected to the power connection; the output end of the step-down circuit is connected to the control module, the 485 module and t...

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Abstract

The invention relates to a lamp DMX address setting system, comprising a DMX controller, a 485 bus and at least two lamps connected in sequence; wherein the lamp includes a control module, a 485 module and a single-line input and output circuit, and the control module is connected with the 485 module, the single-line The input and output circuits are connected; the DMX controller is connected with the 485 modules of the at least two lamps connected in sequence through the 485 bus; between the at least two adjacent lamps connected in sequence, the single line of the latter lamps The input and output circuits are connected to the control module of the preceding light fixture. The system provided by the present invention uses the 485 bus and the 485 module to transmit the address code, and uses the 485 bus and the 485 module to transmit the address code in a differential transmission mode. , so as to meet the requirements of large-scale lighting system DMX address setting.

Description

technical field [0001] The present invention relates to the technical field of lamps, and more particularly, includes a system and method for setting DMX addresses of lamps. Background technique [0002] At present, most of the lamps on the market are controlled by the DMX512 protocol. The DMX512 protocol requires each lamp to be set with a DMX address. At present, the address of the lamps is set one by one through the automatic sorting method. The existing single-line automatic sorting method uses an unbalanced transmission method to transmit the address code to the lamps, and its common mode rejection capability is poor, and the address of the lamps is easily disturbed during the single-line transmission process, especially in the long-distance transmission, the bit error rate is high, which affects the use of . SUMMARY OF THE INVENTION [0003] The first object of the present invention is to provide a lamp DMX address setting system, the system uses 485 bus and 485 mo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B47/10H05B47/155
CPCH05B47/10H05B47/155
Inventor 王帅隆新级祝灿光
Owner 佛山市银河兰晶科技股份有限公司
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