Safety hammer for bus

Abstract

The invention relates to a safety hammer, in particular to a safety hammer with a burglar alarm device for a bus. The safety hammer comprises a hammer body, the hammer body is connected with an alarm device, a switch, a power supply, a buzzer alarm, a smoke transducer and an illuminating lamp are in series connection in sequence to form a loop of the alarm device, a handle of the hammer body is inlaid into the switch, a normally closed contact is disposed in the switch, and when the hammer body is removed, the whole loop is powered on. The handle of the safety hammer for the bus is inlaid into the normally-closed switch, when the safety hammer is removed, the loop of the alarm device is powered on, the buzzer alarm in the loop rings, so that passengers and a driver in the bus can be timely warned, and the stolen rate of the safety hammer is effectively reduced. The smoke transducer is arranged in the loop of the alarm device of the safety hammer, when smoke density in the bus reaches a certain range, the smoke transducer sends a signal, and the illuminating lamp arranged beside the hammer body is turned on to clearly illuminate the specific position of the safety hammer.

Description

technical field [0001] The invention relates to a safety hammer, in particular to a safety hammer for buses with an anti-theft alarm device. Background technique [0002] The safety hammer, also known as the life-saving hammer, is an auxiliary escape tool installed in a closed cabin. It is generally installed in an easily accessible place in a closed cabin such as a car. In the event of a fire or falling into water in a closed cabin such as a car, it can be conveniently taken out and smashed into glass windows and doors for smooth escape. At present, all buses are equipped with safety hammers, which can be used to break the glass to escape when an accident occurs in the bus. However, the lack of safety hammers on many buses is serious, and the vicious circle of "lost and lost" is the biggest trouble for the bus company, which not only brings economic losses to the bus company, but also causes great safety hazards. The Chengdu No. 9 bus spontaneously ignited, causing 25 de...

AI Technical Summary

Problems solved by technology

However, if the micro-movement is aging or the buckle is loose, the alarm may be unsuccessful, and the safety hammer cannot be prevented from being stolen.

[0004] When a fire broke out in the bus, the thick smoke and chaotic scenes in the vehicle made it impossible for passengers to see the specific installation location of the safety hammer, so that they could not quickly use the safety hammer to break the glass window and escape

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