Ethernet lighting control system and method for stage lights

Patent metadata

Field	Value
Publication number	US-11051385-B2
Application number	US-202016830757-A
Country	US
Kind code	B2
Filing date	Mar 26, 2020
Priority date	Sep 29, 2017
Publication date	Jun 29, 2021
Grant date	Jun 29, 2021

Abstract

An Ethernet lighting control system comprises an ARTNET console and several rows of stage lights, wherein each row of stage lights comprises several stage lights successively connected in series, each stage light being internally provided with a network switching unit. The ARTNET console is connected to a network switching unit of a first stage light in each row of stage lights, by means of a network cable respectively; adjacent stage lights in each row of stage lights are connected in sequence by means of a network cable; a network control signal sent by the ARTNET console is delivered to the network switching unit of the first stage light; and the network switching unit of the preceding stage light receives and delivers the network control signal to an internal circuit of the stage light for processing, and then switches to the network switching unit of the subsequent stage light.

First claim

The invention claimed is:

1. An Ethernet lighting control system for stage lights, comprising: an ARTNET console and several rows of stage lights,
wherein each row of stage lights comprises several stage lights successively connected in series, each of the several stage lights being internally provided with a network switching unit for receiving, switching and delivering network signals; the ARTNET console is configured to connect to a network switching unit of a first stage light in each row of stage lights by means of a network cable respectively; adjacent stage lights in each row of stage lights are configured to connect in sequence by means of a network cable; and a network control signal sent by the ARTNET console is configured to be delivered to the network switching unit of the first stage light;
wherein when the preceding stage light works normally, its network switching unit receives the network control signal and delivers same to an internal circuit of the stage light for processing and then transmits same to the network switching unit of the subsequent stage light,
wherein when the preceding stage light has a fault, its network switching unit directly transmits the network control signal to the network switching unit of the subsequent stage light, and
wherein the network control signal is used for controlling the working state of the stage lights, and the internal circuit provides the required power for the stage lights;
wherein the network switching unit is provided in the stage light and is provided with a signal input end, a signal output end and a signal control end,
wherein the signal input end of the network switching unit is connected to the preceding stage light adjacent to the stage light or the ARTNET console by means of the network cable; the signal output end thereof is connected to the internal circuit of the stage light or the network switching unit of the subsequent stage light by means of the network cable; and the signal control end thereof is connected to the internal circuit of the stage light where the network switching unit is located,
wherein when the stage light works normally, the signal output end of the network switching unit thereof is in communication with the internal circuit of the stage light; and
wherein when the stage light has a fault, the signal output end of the network switching unit thereof is in communication with the signal input end of the network switching unit of the subsequent stage light.

2. The Ethernet lighting control system for stage lights according to claim 1 , wherein the network switching unit is a relay array.

3. The Ethernet lighting control system for stage lights according to claim 1 , wherein the system further comprises a network data processing and control unit for performing data analysis and processing on the network control signal and executing the network control signal, and the network data processing and control unit is connected to the signal output end of the network switching unit.

4. The Ethernet lighting control system for stage lights according to claim 3 , wherein the network data processing and control unit comprises a network data conversion chip and an MCU connected in sequence, the network data conversion chip is connected to the signal output end of the network switching unit, and the MCU is connected to the internal circuit of the stage light.

5. The Ethernet lighting control system for stage lights according to claim 4 , wherein the system further comprises an input isolation transformer and an output isolation transformer, the input isolation transformer is provided between the signal output end of the network switching unit and the network data conversion chip, and the output isolation transformer is connected to the signal input end of the network switching unit of the subsequent stage light by means of a network cable.

6. The Ethernet lighting control system for stage lights according to claim 1 , wherein the system further comprises a voltage conversion module, which is connected to the signal control end of the network switching unit.

7. The Ethernet lighting control system for stage lights according to claim 6 , wherein the system further comprises a switch, a switch power supply and an alternating current power supply, the switch is respectively connected to the switch power supply and the alternating current power supply, the voltage conversion module is connected to the switch power supply, and the alternating current power supply is connected to the switch of the subsequent stage light.

8. An Ethernet lighting control method for stage lights, wherein an ARTNET console, network cables, several rows of stage lights, network switching units, an input isolation transformer, an output isolation transformer, a network data conversion chip, an MCU, a voltage conversion module and a switch are included, the method comprises the following lighting control steps of:
S1. the ARTNET console sends a network signal and transmits same to a first stage light in each row of stage lights by means of the network cable; and
S2. the first stage light in each row of stage lights switches and delivers the network signal sent by the ARTNET console by means of the network switching unit, and when the stage light where the network switching unit is located operates normally, the network switching unit will switch and deliver the network signal to the network data conversion chip, then the network data conversion chip converts the network signal into network data, then sends the network data to the MCU, while the network data conversion chip also sends the network data to the signal input end of the network switching unit of the subsequent stage light by means of the output isolation transformer; when the stage light where the network switching unit is located has a fault, the network switching unit will switch and deliver the network signal to the network switching unit of the subsequent stage light, and the network switching unit of the subsequent stage light repeatedly performs step S2 until the last stage light in each row of stage lights.

Assignees

• Guangzhou Haoyang Electronics Co Ltd

Inventors

• Jiang Weikai

Classifications

• H05B47/29 Primary

  Circuits providing for substitution of the light source in case of its failure · CPC title

• H05B47/18 Primary

  via data-bus transmission · CPC title

• H05B47/235 Primary

  with communication between the lamps and a central unit · CPC title

• H05B47/10

  Controlling the light source · CPC title

• H04L12/10

  Current supply arrangements · CPC title