An intelligent switch input and output module and its control method

Abstract

The invention discloses a smart on-off input output module and a control method thereof. The module at least comprises an LED indicator interface, on-off output self recognizing and self adjusting circuits and a controller. The LED indicator interface comprises a common terminal and an independent terminal. The on-off output self recognizing and self adjusting circuits comprise a common terminal control circuit, an independent terminal control circuit and an independent terminal sampling circuit. The common terminal control circuit comprises an amplifying triode, and the controller is connected with the common terminal of the LED indicator interface through the amplifying triode. The independent terminal control circuit comprises an amplifying triode, and the controller is connected with the common terminal of the LED indicator interface through the amplifying triode. The independent terminal sampling circuit comprises a subtractor circuit. The controller judges polarity and current of an LED indicator connected at the LED indicator interface according to voltage collected by the subtractor circuit and then adjusts the level of the common terminal and the independent terminal of the LED indicator interface to achieve adaptation to polarity and brightness of the LED indicator.

Description

technical field [0001] The invention relates to a switching value input and output module in a smart home system. Background technique [0002] With the advancement of my country's building intelligence, the development of intelligent building technology, and the emergence of new functions of intelligent buildings, the market's demand for equipment related to intelligent building systems is further expanding, and the switch input and output modules are the basis of intelligent building systems. One of the technical equipment. [0003] At present, there are many switch panel manufacturers with indicator lights on the market, such as ABB, Siemens, Legrand, Simon, Delixi, Schneider, etc. The switch panels produced by these manufacturers mainly include self-resetting panels, rocker panels, buttons The three types of panels are specifically one-button, two-button, four-button and six-button panels, and the indicator lights on these panels have two connection methods of common ano...

AI Technical Summary

Problems solved by technology

[0006] The problem to be solved by the present invention: the connection mode of the indicator light on the switch panel does not match with the switch input and output module; the brightness of the indicator light on the switch panel is bright or dark, which greatly reduces the visual experience of people; Frequent replacement of modules makes the actual construction and installation very troublesome

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