Under Ground Car Parking Gas Detection System

System Overview

Carbon monoxide (CO) is a colorless, odorless, toxic gas. With the popularity of private vehicles and underground garages, the poisoning incidents caused by it are also frequently seen in the news. The main reason is that the underground garage is a closed or semi-closed building, and the air circulation will naturally not be smooth. When the engine is running at idle speed, due to insufficient combustion of gasoline, exhaust gas containing a large amount of carbon monoxide will be produced. The underground parking lot is a closed environment. Vehicles come in and out of it frequently, and the exhaust gas is not easy to discharge. It is easy to accumulate a large amount of carbon monoxide gas, resulting in a pungent smell in the parking lot, which will damage people's health and even endanger personal safety. In recent years, the country has also begun to impose strict requirements on the measurement of carbon monoxide concentration in underground garages. Underground garages and parking lots should be equipped with air supply and exhaust systems to replace them with fresh air. The carbon monoxide content in underground garages should be lower than 25ppm in the long term and not higher than 50ppm in the short term.

System composition

Hanwei underground garage carbon monoxide monitoring and alarm system designs gas detectors for underground parking lots of different areas and areas, and comprehensively detects the concentration of carbon monoxide in underground garages. The system is a platform composed of underground garage LAN, software system, serial port server, gas controller, gas detector and fan. The gas detector is connected to the controller through a cable, and the controller can centrally display the concentration values of each monitoring point. When the carbon monoxide concentration in the environment exceeds the preset alarm value, it can automatically alarm and automatically start the exhaust system for replacement. The system conducts online monitoring through the underground garage, which can accurately measure the carbon monoxide gas in the underground garage and take effective measures to reduce the accumulation of carbon monoxide in the underground garage and reduce the damage of carbon monoxide to human health. When the gas detector detects carbon monoxide gas, the gas controller is used to send an alarm signal and turn on the fan. The serial port server receives the alarm signal sent by the controller and sends it back to the software system. After the software system receives the alarm signal, it transmits the alarm signal through the underground garage LAN. The information and data are transmitted to the Safety Supervision Bureau and the dispatching command center, and the Safety Supervision Bureau sends the carbon monoxide monitoring information to the mobile platform through the network by SMS. The dispatching command center can monitor the site situation of the underground garage in real time, and do a good job of guidance, prevention and guidance in a timely manner. The software system can display the monitoring status of different underground garages, and the monitoring personnel can also know the operating status of the equipment in the underground garage through the monitoring equipment.

System Advantages

1. Real-time detection of carbon monoxide concentration in the underground garage environment.
2. Concentration values of multiple underground garages are centrally displayed and monitored, and the concentration values are displayed in real time.
3. Freely set the alarm value, when the concentration value exceeds, it can automatically link the exhaust system.
4. One controller can control carbon monoxide detectors in multiple garages separately, and open different fans according to different situations.