Bridge opening safety door

Abstract

The invention relates to safe equipment, in particular to a bridge opening safety door. The bridge opening safety door comprises an electric rolling door; the electric rolling door is installed on the outer wall of abridge opening; a water level sensor is installed on the top inside the bridge opening; the water level sensor is electrically connected with a controller which is electrically connected with a relay A and a relay B, wherein a coil of the relay A is in forward connection with a tubular motor; a coil of the relay B is in reverse connection with the tubular motor; the relay A and the relay B are both electrically connected with a storage battery; the outer wall of the bridge opening is provided with a solar-cell panel; and the solar-cell panel is electrically connected with the storage battery through a solar charge controller. The bridge opening safety door completely eradicates deaths caused by waterlogging in the bridge opening, makes people who rely on luck have no chances to try, completely prevents injuries and deaths caused by waterlogging from happening again, and is suitable for nation-wide general promotion.

Description

technical field [0001] The invention relates to a safety device, in particular to a bridge hole safety door. Background technique [0002] In recent years, there have been more and more bad weather, and the frequency of heavy rain and rainstorm in summer has also increased. Every year, there are frequent incidents of death caused by stagnant water in bridge holes. Although the government and relevant departments have taken various measures to avoid The recurrence of such incidents, such as setting up warning signs on bridge openings, installing display screens showing water levels on bridge openings, etc., and some people have installed water level sensors on cars, but these measures cannot fundamentally prevent the recurrence of such incidents. occur. When the bridge hole is flooded, it is difficult for passing vehicle drivers or passers-by to judge the depth of the water level with the naked eye, and it is easy to cause drivers or passers-by to venture forward. Sometime...

AI Technical Summary

Problems solved by technology

[0002] In recent years, there have been more and more bad weather, and the frequency of heavy rain and rainstorm in summer has also increased. Every year, there are frequent incidents of death caused by stagnant water in bridge holes. Although the government and relevant departments have taken various measures to avoid The recurrence of such incidents, such as setting up warning signs on bridge openings, installing display screens showing water levels on bridge openings, etc., and some people have installed water level sensors on cars, but these measures cannot fundamentally prevent the recurrence of such incidents. occur

When the bridge hole is flooded, it is difficult for passing vehicle drivers or passers-by to judge the depth of the water level with the naked eye, and it is easy for drivers or passers-by to move forward at risk. Water Bridge Cave, resulting in a tragedy, making the tragedy repeated

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