Computer-controlled system of low-voltage control cabinet

Abstract

The invention discloses a computer-controlled system of a low-voltage control cabinet. The computer-controlled system of the low-voltage control cabinet comprises a controller, a signal input unit and a signal output unit, wherein the signal input unit comprises multiple sampled signal inputs. Each sampled signal input is respectively connected with the sampled signal input end of the controller through a sampled signal processing circuit. The signal output unit comprises multiple relays, wherein the signal output end of the controller is respectively connected with the relays through drivers. The computer-controlled system further comprises an upper computer, wherein the controller is connected with the upper computer through a serial interface. The signal input unit further comprises multiple manual control inputs. The signal output unit further comprises multiple indicating lamps, wherein the signal output end of the controller is respectively connected with the indicating lamps. The computer-controlled system has the advantages that traditional component control is replaced by computer system control, a larger number of components and devices can be decreased, the size is reduced, the cost is saved, a complicated control circuit is simplified, maintenance is convenient, remote data transfer is supported, and remote networking is achieved.

Description

technical field [0001] The invention relates to a computer control system of a low-voltage control cabinet. Background technique [0002] The traditional low-voltage control cabinet control system is composed of control components such as time relays, intermediate relays, transfer switches, buttons, and indicator lights. Some control systems also include contactors, circuit breakers, fuses, and isolating switches of the main circuit as needed. and dual power supplies etc. The disadvantage of this traditional control method is that it uses many components, the control circuit is complex, and the cost is high. The more components used, the higher the failure rate, poor reliability, and complicated maintenance. In particular, the more control points, the more complex the control circuit. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a new type of computer control system for low-voltage co...

AI Technical Summary

Problems solved by technology

The disadvantage of this traditional control method is that it uses many components, the control circuit is complicated, and the cost is high. The more components used, the higher the failure rate, poor reliability, and complicated maintenance.

Especially the more control points, the more complicated the control circuit

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