A passive and simple installation type electric manhole cover displacement monitoring device and monitoring method thereof

Abstract

The invention discloses a passive simple installation type electric power manhole cover displacement monitoring device which comprises a shell, a monitoring unit, a processing unit, a communication unit and a clamp spring type fixing unit, wherein the monitoring unit is arranged in the shell and used for monitoring the displacement state of an electric power manhole cover, the processing unit is arranged in the shell, connected with the monitoring unit and used for generating an alarm signal by triggering according to the electric power manhole cover displacement state obtained through the monitoring unit, the communication unit is arranged in the shell, connected with the processing unit and used for sending the alarm signal to a monitoring center, the clamp spring type fixing unit is connected with the shell and used for easily and rapidly fixing the displacement monitoring device on a manhole cover base. The invention further discloses a passive simple installation type electric power manhole cover displacement monitoring method. According to the passive simple installation type electric power manhole cover displacement monitoring device and the monitoring method thereof, under the situation that power supplying is not needed, the alarm signal can be sent out when the displacement of the electric power manhole cover occurs, the risk that the manhole cover is stolen is reduced, and cables in a well are prevented from being stolen.

Description

technical field [0001] The invention relates to the field of electric power, in particular to a passive and simple installation electric well cover displacement monitoring device and a monitoring method thereof. Background technique [0002] With the acceleration of urbanization and the expansion of urban areas, the construction of municipal public facilities has developed rapidly. Most of the electric (wire) cables in departments such as electric power and communication are buried underground, and routine maintenance is carried out through manhole covers, which also provides opportunities for criminals. Due to the wide distribution and large number of manhole covers, it is difficult to supervise, and the crime of stealing manhole covers directly or stealing electric (wire) cables through the entrance of manhole covers is becoming more and more rampant. These acts of theft have seriously affected the normal function of municipal facilities and caused huge direct and indirec...

AI Technical Summary

Problems solved by technology

[0003] Since it is impossible to obtain electricity on site, the anti-theft of manhole covers in the prior art mostly uses battery-powered sensor wireless communication to send alarm signals, and at the same time installs monitoring devices by means of wellbore expansion screws or glue.

Since manhole covers are mostly made of metal, the above method will affect the transmission of wireless signals, and errors are prone to occur

The battery power supply method will increase the workload of the manhole cover operation and maintenance department

Moreover, when the wellbore is larger than the diameter of the well base and the wellbore on site is damaged, the above-mentioned installation method of the monitoring device cannot be used.

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