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Marine confined space environment monitoring device, method and system

A technology for environmental monitoring and confined space, applied in measuring devices, instruments, etc., can solve the problems of low sealing, few reported parameters, and invariable installation, and achieve the effect of good sealing, easy installation, and easy plugging and unplugging.

Pending Publication Date: 2022-07-08
SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the environmental monitoring technology of offshore confined spaces has problems such as low sensitivity, few abnormal state reporting parameters, low sealing performance, inconvenient installation, and single monitoring point.

Method used

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  • Marine confined space environment monitoring device, method and system
  • Marine confined space environment monitoring device, method and system
  • Marine confined space environment monitoring device, method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Embodiment 1: A device and method for monitoring the environment of a closed space at sea, including a liquid leakage sensor, a temperature and humidity sensor, and an environmental monitoring processor. Monitor the liquid leakage and temperature and humidity in the cabin, eliminate false alarms of liquid leakage sensors caused by condensation caused by high atmospheric humidity and temperature difference, and report liquid leakage accidents, and / or report desiccant failure, and / or report temperature unusual problem.

Embodiment 2

[0067] Embodiment 2: On the basis of Embodiment 1, the reasonable arrangement of liquid leakage sensors and temperature and humidity sensors specifically includes: the environmental monitoring processor can connect one or more liquid leakage sensors at the same time, and the environmental monitoring processor can Connect one or more temperature and humidity sensors at the same time; the starting connector of the liquid leakage sensor has a cable, the length of the liquid leakage sensing belt in the liquid leakage sensor is tailored according to the installation area, and the starting connector and the end of the liquid leakage sensor are The connector is provided with mounting holes, which are fixed to the mounting area by gluing or screws.

Embodiment 3

[0068] Embodiment 3: On the basis of Embodiment 1, the removing the false alarm of the liquid leakage sensor caused by condensation caused by high atmospheric humidity and temperature difference specifically includes: a false alarm removing module is provided in the environment monitoring processor, Used to perform the following processes:

[0069] By collecting the leakage signal and temperature and humidity signal in real time, record the occurrence time t1 and its duration t2 when the leakage signal exceeds the voltage threshold, and record the high humidity occurrence time t3 and its high humidity duration t4 when the humidity signal exceeds the minimum high humidity threshold. ;

[0070] If t1 and t3 are always the default value of 0, it is considered that the humidity is normal and no leakage has occurred;

[0071] If t1<t3, it is considered that the surrounding humidity is normal, leakage occurs, and a leakage alarm signal is reported;

[0072] If t1>t3 and t2>t4, it ...

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Abstract

The invention discloses a marine closed space environment monitoring device, method and system, and belongs to the field of environment monitoring, the marine closed space environment monitoring device comprises a liquid leakage sensor, a temperature and humidity sensor and an environment monitoring processor, and the liquid leakage sensor and the temperature and humidity sensor are reasonably arranged in a closed cabin; an environment monitoring processor is used for monitoring the liquid leakage condition, temperature and humidity in a cabin in real time, false alarm of a liquid leakage sensor caused by condensation due to too high atmospheric humidity and temperature difference is eliminated, and meanwhile, a liquid leakage accident is reported, and / or a drying agent failure and / or a temperature abnormity problem are reported. According to the invention, the false alarm of the liquid leakage sensor caused by condensation due to too high atmospheric humidity and temperature difference is eliminated, and liquid leakage monitoring with low false alarm rate and abnormal state reporting are realized.

Description

technical field [0001] The invention relates to the technical field of environmental monitoring, and more particularly, to a device, method and system for environmental monitoring in a marine confined space Background technique [0002] In order to ensure the low-humidity working environment required for the long-term operation of the equipment in the closed space at sea, many measures have been taken on board, such as enhancing the airtightness and adding desiccants. Influence, can not prevent the entry of moisture. At the same time, seawater leakage and leakage will also greatly affect the service life of the equipment, and contact with the circuit in the equipment may burn the circuit, cause a fire, and even threaten personal safety in severe cases. Therefore, corresponding temperature and humidity and leakage Liquid detection device. [0003] Considering that there are cable type and film type liquid leakage sensors on the market, the cable type is inconvenient to inst...

Claims

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Application Information

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IPC IPC(8): G01D21/02
CPCG01D21/02
Inventor 陈学文王以波陈思远冯志新刘振华
Owner SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP
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