Electrical fire monitoring system

Abstract

The invention provides an electrical fire monitoring system. The electrical fire monitoring system comprises a power distribution loop, a sampling module arranged in the power distribution loop and used for collecting relevant parameters of the power distribution loop and converting the relevant parameters into corresponding sampling data, a main control board used for processing the sampling data, and a touch screen in communication connection with the main control board and used for man-machine interactive operation. The electrical fire monitoring system further comprises a communication network bridge, wherein the communication network bridge comprises a CAN bus branch circuit and a plurality of two-line bus branch circuits. The CAN bus branch circuit is connected with the main controlboard through a CAN bus, and each two-line bus branch circuit is connected with the sampling module through a two-line bus. Compared with the prior art, the electrical fire monitoring system providedby the invention adopts the two-line bus and the CAN bus for communication, the wiring difficulty is small, and the communication stability is good.

Description

technical field [0001] The invention relates to the field of electrical fire monitoring, in particular to an electrical fire monitoring system. Background technique [0002] With the rapid development of my country's social economy, the urban population density has increased rapidly, which has led to the rapid development of industries such as real estate super high-rise buildings, cultural entertainment, shopping malls, and hotel catering. At the same time, electrical fires also occur frequently, causing national and people's Real-time collection of residual current value and key point temperature value of distribution lines and real-time monitoring of arcs on the line are the basis for information construction to prevent and monitor electrical fires. [0003] In related technologies, the communication methods of the electrical fire monitoring system usually include RS485, two buses and CAN bus, but each manufacturer adopts the above-mentioned single communication method. A...

AI Technical Summary

Problems solved by technology

Although the RS485 communication method can guarantee the data bandwidth and communication quality, each module needs to be connected with two sets of communication lines and power lines. When the data volume of the module is large, the failure rate is high. The entire communication line is paralyzed, and it is difficult to find faults

The two-bus communication method combines the communication line and the power line into one. In order to ensure reliable communication, the amount of data transmitted by the second bus needs to be small. At the same time, the line resistance of the second bus also limits the communication distance. Therefore, the communication transmission short distance

Although the amount of data transmitted by the CAN bus is large, it can automatically exit when a fault occurs, the communication distance is long, and the communication is reliable. Rate

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