Cable temperature and humidity monitoring sensing device and monitoring system thereof

Abstract

The invention provides a cable temperature and humidity monitoring sensing device, and the device comprises a first temperature and humidity monitoring sensing device and a second temperature and humidity monitoring sensing device, wherein the first temperature and humidity monitoring sensing device comprises a first lead terminal, a first sensing protection cover, a first temperature and humiditysensor, a first dust cap, and an automatic adjustment hoop. The first temperature and humidity sensor is disposed in the first dust cap, and the first sensing protection cover is disposed outside thefirst dust cap. The automatic adjustment hoop is connected with the first sensing protection cover, and the first lead terminal is connected with the first temperature and humidity sensor. The secondtemperature and humidity monitoring sensing device comprises a second lead terminal, a second sensing cover, a second dust cap and a second temperature and humidity sensor. The invention also provides a cable temperature and humidity monitoring system. The device is convenient to replace and can realize non-destructive detection, predicts the corrosion trend of a cable, and provides a feasible basis for the life cycle assessment of the cable.

Description

technical field [0001] The invention relates to a cable monitoring sensor device, in particular to a cable temperature and humidity monitoring sensor device and a monitoring system thereof. Background technique [0002] At present, the outer surface of the bridge cable is extruded with a double-layer high-density polyethylene sheath (HDPE), which cannot directly detect the working condition of the cable body, but can only analyze the working condition of the cable body by measuring other parameters. The most important parameters are cable force, temperature and air humidity in the cable body. Among the above three parameters, the cable force of the cable will affect the working condition of the bridge, and the temperature and air humidity in the cable body reflect the current corrosion of the steel wire in the cable body. According to the measured temperature and air humidity, it can be analyzed whether the corrosion of the steel wire in the cable body is serious, and the r...

AI Technical Summary

Problems solved by technology

The disadvantage is that the optical fiber and the steel wire of the cable body are bonded together with glue, and the temperature sensor and humidity sensor are integrated with the steel wire. After the sensor is damaged, the optical fiber needs to be replaced as a whole, which is not easy to replace.

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