Intelligent split pressurization control system and method based on fan superposition

Abstract

The invention relates to an intelligent split pressurization control system and method based on fan superposition. The signal output end of a computer is used as the input end of a frequency converter through a control module, the signal output end of the frequency converter is connected with the input end of a main fan, the system is further provided with an additional controller, and the additional controller is composed of an auxiliary fan and an additional circuit; the signal output end of the frequency converter is further connected with the input end of the additional circuit, and the output end of the additional circuit is connected with the input end of the main fan and the input end of the auxiliary fan, and the auxiliary fan is connected with the main fan in series; the output end of the static pressure box is connected with the input end of a pressure sensor; and the signal output end of the pressure sensor is connected with the input end of an acquisition module, and the signal output end of the acquisition module is connected with the signal input end of the computer. According to the intelligent split pressurization control system, on the premise that original mechanical and electrical structures are not changed, and the additional controller is implanted, so that the linear regulation of the air pressure of different working conditions is realized.

Description

technical field [0001] The invention belongs to the field of building material detection, and relates to an intelligent split pressurization control system and method based on fan superposition. Background technique [0002] The pressurization control system commonly used in this field includes a detection part, a controller and an execution part; the detection part is composed of an analog signal acquisition module and a pressure sensor, the controller is composed of a computer and a control module, and the execution part is composed of a frequency converter and a main fan ; The signal output terminals of the computer are respectively used as the input terminals of the frequency converter through the conventional control module, and the signal output terminals of the frequency converter are connected with the input terminals of the main fan. The output end of the static pressure box is connected to the input end of the pressure sensor; the signal output end of the pressure ...

AI Technical Summary

Problems solved by technology

[0004] By adding auxiliary fans, the old and new fans work in series, and transforming the original control circuit, our invention realizes separate control, realizes linear adjustment of air pressure in different working conditions, and solves the problem of energy consumption in the existing pressurization control system in order to meet the national standard , to achieve the purpose of high efficiency and energy saving

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