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Real-time double-line communication method of LED (light-emitting diode) control system

A communication method and technology of a control system, applied in the field of real-time two-wire communication, can solve the problems of increasing communication links, increasing additional costs, inconvenient maintenance, etc., and achieving the effects of reducing use costs, wide application scope, and convenient maintenance.

Active Publication Date: 2013-08-07
ZHEJIANG JINGRI LIGHTING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

In the field of LED control, half-duplex data transmission is used. The controller cannot detect the status of the lamps when playing patterns, which brings inconvenience to maintenance. At the same time, it cannot intelligently judge faulty lamps in the process of playing patterns to intelligently control
At present, in order to solve this problem, it is necessary to increase the communication link, which will increase the additional cost

Method used

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Examples

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the examples, but not as the basis for limiting the present invention.

[0014] Example. A real-time two-wire communication method for an LED control system uses a time-division half-duplex method on the two-wire communication link to control and feed back LED lamps.

[0015] Preferably, the time-division half-duplex method is specifically carried out according to the following steps:

[0016] ① The total time required for transmission and real-time feedback is T; when the amount of query and feedback data is small, it can be defined as 1S, and when the amount of query and feedback data is large, it can be defined as several S;

[0017] ② Divide the total time T into data information transmission time and control information transmission and feedback time;

[0018] ③During the data information transmission time period, the control terminal on the two-wire bus transmits data information...

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Abstract

The invention discloses a real-time double-line communication method of an LED (light-emitting diode) control system. An LED lamp is controlled and fed back by adopting a time-division half-duplexing method on a two-wire system communication link. With the adoption of the real-time double-line communication method of the LED control system, real-time transmission and processing of data are realized under the condition that links are not increased, so that the cost is lowered, and the maintenance is convenient.

Description

technical field [0001] The invention relates to the field of LED control, in particular to a real-time two-line communication method of an LED control system. Background technique [0002] Half-duplex (Half Duplex) data transmission means that data can be transmitted in both directions of a signal carrier, but cannot be transmitted at the same time. For example, using technology with half-duplex transmission on a LAN, a workstation can send data on the wire and then immediately receive data on the wire from the direction the data was just transmitted. In the field of LED control, half-duplex data transmission is used. The controller cannot detect the status of the lamps when playing patterns, which brings inconvenience to maintenance. At the same time, it cannot intelligently judge faulty lamps in the process of playing patterns to intelligently control them. At present, in order to solve this problem, it is necessary to increase the communication link, which will increase ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B37/02H04L5/16
CPCY02B20/42Y02B20/40
Inventor 程世友傅创业张磊
Owner ZHEJIANG JINGRI LIGHTING TECH
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