Control system for fire pump

Abstract

The invention discloses a control system for a fire pump and belongs to the technical field of fire control. The control system comprises a power supply and protection unit, a touch screen HMI (human machine interface), a programmable controller PLC (programmable logic controller) 1 and an analog quantity collection module PLC2, wherein the programmable controller PLC1 is connected with the touch screen HMI and the analog quantity collection module PLC2, and the power supply and protection unit converts a 220 V alternating current into a direct current and connects the touch screen HMI, the programmable controller PLC1 and the analog quantity collection module PLC2 for supplying power. The control system has the advantages that: the expansibility of the hardware is strong, the control function is achieved through the software, the customizability is improved, the individual components can be independently mounted in the power distribution control cabinet of the fire pump, the graphical man-machine interface for user operation is adopted, the data exchange between the control system and external equipment is implemented by means of RS485 serial port communication, the operation of long-distance centralized control and status monitoring is convenient, the wire arrangement is reduced, and the production cost can be reduced.

Description

technical field [0001] The invention belongs to the technical field of fire control, and in particular relates to a control system of a fire pump. Background technique [0002] The fire pump is a water supply device widely used in buildings such as hospitals, shopping malls, office buildings and residential buildings. Its main function is to ensure that the water pressure of the water supply system in the building reaches the water pressure required by the fire extinguishing device when a fire occurs. Fire pumps play a considerable role in extinguishing fires. At present, the existing fire pump controllers in the domestic market are either too single in function and not highly intelligent, such as some old equipment, which use backward relay contactor control methods, too many intermediate relays and timing relays, few functions, and wiring Complicated, with many contacts, this will cause many failures of the control system, poor reliability, difficult maintenance, and fail...

AI Technical Summary

Problems solved by technology

At present, the existing fire pump controllers in the domestic market are either too single in function and not highly intelligent, such as some old equipment, which use backward relay contactor control methods, too many intermediate relays and timing relays, few functions, and wiring Complicated, with many contacts, this will cause many failures of the control system, poor reliability, difficult maintenance, and failure to meet the user's control requirements; or, for example, some innovative products, which are implemented by using a large number of integrated circuits or combining multiple control circuits, with complex functions and low prices. Expensive, which greatly increases the production cost of the manufacturer and the use cost of the user

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