Ship power distribution monitoring information acquisition system

Abstract

The invention aims at a multipath power distribution branch circuit with an intelligent breaker and provides a ship power distribution monitoring information acquisition system which is characterized by comprising a main control box and N subcontrol boxes, wherein each subcontrol box is independently connected with the main control box; the main control box comprises a field acquisition and communication module, a data processing module and a network communication module, wherein the field acquisition and communication module in the main control box is directly connected with the intelligent breaker arranged on the required monitored power distribution branch circuit in parallel and is used for collecting data, the input end of the data processing module is connected with the field acquisition and communication module in the main control box and the subcontrol boxes, the data processing module is used for processing all data collected by the main control box and the subcontrol boxes and reporting a result to the network communication module, and the result is transmitted to an upper-layer monitoring network by a two-way CAN bus; and each subcontrol box comprises a field acquisition and communication module and a retransmission unit, wherein the field acquisition and communication module is connected with the intelligent breaker arranged on the required monitored power distribution branch circuit and is used for transmitting the collected data to the main control box from the retransmission unit.

Description

technical field [0001] The invention belongs to a power monitoring device, in particular to a CAN bus-based distributed ship power distribution monitoring information collection system. Background technique [0002] With the continuous expansion of the ship's power load demand, the distribution points of the whole ship's power distribution lines and power distribution equipment are many, wide and scattered, and the requirements for fault detection and maintenance of the power distribution network are getting higher and higher. At present, the monitoring means and management level of the domestic ship power distribution network operation are relatively backward. For the operation management of the power distribution system, most ships are only realized by setting up analog screens in the centralized control part, and the simulated screens used can only reflect A very small amount of information of the power distribution system (the closing / opening status of important power di...

AI Technical Summary

Problems solved by technology

It has many unavoidable shortcomings: such as a large space, a large number of wiring, harmonic components have a greater impact on the accuracy of the transmitter, measurement stability and accuracy, inflexible installation methods, etc.

[0004] At present, according to the actual load demand, the general ship load center switchboard is equipped with about 10 distribution branches. For this switchboard, a small monitoring system can meet the requirements, but for the main switchboard load screen, with About 60 power distribution branches with intelligent circuit breakers cannot meet the requirements

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