Underwater equipment operation monitoring system and method

A technology for underwater equipment and operation monitoring, applied in the direction of measuring devices, instruments, thermometers, etc., can solve the problems of fixed detection frequency, large influence of artificial level, difficult detection and detection of underwater equipment failures, etc.

Pending Publication Date: 2021-11-23
重庆市三峡水务北碚排水有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are problems such as fixed detection frequency, large monitoring period, large influence of human level, and d

Method used

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  • Underwater equipment operation monitoring system and method
  • Underwater equipment operation monitoring system and method
  • Underwater equipment operation monitoring system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Such as Figure 1-2 As shown, a residual current monitoring system for underwater equipment includes an operation box installed on site, and the underwater equipment is connected to the switchgear installed in the operation box through a power cable, and also includes a monitoring device 1, a residual current Sensor 2, vibration sensor 3 and temperature sensor 4;

[0047]The residual current sensor 2 and the temperature sensor 4 are arranged on the power cable, the vibration sensor 3 is arranged on the underwater equipment, the residual current sensor 2, the vibration sensor 3 and the The temperature sensors 4 are respectively connected in communication with the monitoring device 1, and the monitoring device 1 is connected in communication with the switching device;

[0048] The residual current sensor 2 is used to detect the residual current of the three-phase line in the power cable in real time, obtain a residual current signal, and send the residual current signal ...

Embodiment 2

[0092] Such as image 3 As shown, a residual current monitoring method for underwater equipment, the underwater equipment is connected to the switch device in the operation box set on the site through a power cable, including the following steps:

[0093] Real-time detection of the residual current of the three-phase line in the power cable to obtain the residual current signal;

[0094] Real-time detection of the vibration state of underwater equipment to obtain the vibration value;

[0095] Detecting the temperature of the power cable in real time to obtain a temperature value;

[0096] Leakage judgment is performed according to the residual current signal, and leakage warning information and a disconnection instruction are obtained, and the leakage warning information is sent to a designated terminal, and the disconnection instruction is sent to the switch device for the switch device to Underwater equipment is closed and controlled;

[0097] Judging the working state of...

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Abstract

The invention relates to an underwater equipment operation monitoring system and method.The system comprises an operation box arranged on site, underwater equipment is connected with a switch device installed in the operation box through a power cable, and the system further comprises a monitoring device, a residual current sensor, a vibration sensor and a temperature sensor; the residual current sensor and the temperature sensor are arranged on a power cable, the vibration sensor is arranged on underwater equipment, the residual current sensor, the vibration sensor and the temperature sensor are in communication connection with the monitoring device, and the monitoring device is in communication connection with the switch device; and various electric leakage information of the underwater equipment can be collected, electric leakage judgment is carried out to obtain electric leakage early warning information, a disconnection instruction or a switching instruction, automatic control is achieved, related personnel can be reminded in time, the underwater equipment can be controlled, manual detection is replaced, and the electric leakage condition is found in time.

Description

technical field [0001] The invention mainly relates to the technical field of current monitoring, in particular to a system and method for monitoring the operation of underwater equipment. Background technique [0002] Residual current refers to the current in which the vector sum of the currents of each phase (including the neutral line) in the low-voltage distribution line is not zero. Generally speaking, when an accident occurs on the power consumption side, the current flows from the electrified body through the human body to the earth, so that the current I phase and I phase in the incoming and outgoing lines of the main circuit are not equal in size, and the instantaneous vector composite effective value of the current at this time is called residual Current, commonly known as leakage. [0003] At present, underwater equipment faults are mainly found through manual pre-inspection and post-fault maintenance. Among them, the manual pre-inspection, on the one hand, uses...

Claims

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Application Information

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IPC IPC(8): G01D21/02G01H17/00G01K13/00G01R19/165
CPCG01D21/02G01R19/16571G01K13/00G01H17/00
Inventor 郑星宇王程唐宏晏胜龚靖云
Owner 重庆市三峡水务北碚排水有限责任公司
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