Reservoir dam body monitoring system's reference point detector

Abstract

The invention discloses a reservoir dam body monitoring system's reference point detector which comprises a detector housing, an image detection device, through hole switch mechanisms and a detection controller. The two side faces of the detector housing are provided with through holes respectively. The image detection device is arranged between the two through holes inside the detector housing. The case body of the image detection device is provided with round holes corresponding to the through holes of the detector housing. The through hole switch mechanisms are arranged between the two sides of the image detection device with round holes and the detector housing. The detection controller is arranged inside the detector housing and is connected with the image detection device and the through hole switch mechanisms respectively. According to the invention, the through hole switch mechanisms are designed to realize the automatic turn-on and turn-off of through holes of the detector housing. The blocking plate of the through hole switch mechanism is processed and made from a polyethylene sheet at a low cost. With good wear resistant and anti-corroding performance, the blocking plate does not deform easily. The detection controller is made from a super low power consumption STM8L single-chip microcomputer. For low power consumption, the entire system can meet practical onsite requirements.

Description

technical field [0001] The invention relates to a reservoir dam monitoring device, in particular to a reference point detector of the reservoir dam monitoring system. Background technique [0002] After concrete dams and masonry dams are built and used for water storage, under the action of water, sediment, waves, uplift pressure, temperature, and earthquakes, deformations will inevitably occur, which will seriously lead to subsidence. There are too many cases to enumerate. Dam safety monitoring technology is an international concern. [0003] The dam structural safety monitoring system involves multiple disciplines such as optics, sensors, and electronics, and its development has gone through two stages: [0004] 1. Observation stage (1891-1964), also known as prototype observation. Because the level of monitoring at this stage is relatively low, only manual observation and testing are performed on the monitoring instruments placed on the dam structure to record the real-...

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Problems solved by technology

[0008] 2. Install or bury some displacement monitoring instruments on the surface of the dam body, usually only can measure single item displacement data (horizontal displacement or vertical displacement) of the measuring point

[0012] However, in the above two invention patents, the reference point monitor baffle is moved and f

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