GSM BASED CAR SECURITY
GSM BASED CAR SECURITY
Working Principle:- The GSM based on car security system will consists of main features say the announciation protection against :-
Low fuel level in a fuel tank.
Excess engine temperature.
Over-speed announciation.
Awareness about accidents
Awareness about fire hazardous incidents.
Automobile dialing with GSM mobile.
Ignition locking
All these actions will be taken by CPU i.e. AT89C51 and communicational to respective person so that he can take an appropriate action. The different types of transducers are used for detecting a particular fault. The output of each transducer converted to digital form will be transferred to the microcontroller. At the output of microcontroller the fault announciatio window will be provided. The corresponding switching ON or OFF of the window will indicate the fault of the nature. A common audio siren for all will be provided, to provide driver’s attention. The detail information regarding each sensor can be explained as below.
Low Fuel Level In A Fuel Tank:-
The conductive metal probes non -corrosive material is used as liquid sensor. One of the probe is provided with VCC. This is the common sensor. The another sensor is located at the position at the safety level as long as the fuel level is available up to the sensor, the base gets positive drive to the transistor base. The transistor is ON, the collector goes at zero potential. This is the low logic level. This is treated as the, healthy condition. NO announciation is there at output. If the fuel level in a tank drops below a certain level, the safety level sensor is open.This will cause to cut the base bias of the transistor. As the base bias is cut, the collector goes at higher logic potential. This logic pulse will be given to the microcontroller 89C51.
EXCESS ENGINE TEMPERATURE:- The ear engine temperature is to be controlled from increasing above a certain reference. Above that temperature the engine may get damaged. The
Working Principle:- The GSM based on car security system will consists of main features say the announciation protection against :-
Low fuel level in a fuel tank.
Excess engine temperature.
Over-speed announciation.
Awareness about accidents
Awareness about fire hazardous incidents.
Automobile dialing with GSM mobile.
Ignition locking
All these actions will be taken by CPU i.e. AT89C51 and communicational to respective person so that he can take an appropriate action. The different types of transducers are used for detecting a particular fault. The output of each transducer converted to digital form will be transferred to the microcontroller. At the output of microcontroller the fault announciatio window will be provided. The corresponding switching ON or OFF of the window will indicate the fault of the nature. A common audio siren for all will be provided, to provide driver’s attention. The detail information regarding each sensor can be explained as below.
Low Fuel Level In A Fuel Tank:-
The conductive metal probes non -corrosive material is used as liquid sensor. One of the probe is provided with VCC. This is the common sensor. The another sensor is located at the position at the safety level as long as the fuel level is available up to the sensor, the base gets positive drive to the transistor base. The transistor is ON, the collector goes at zero potential. This is the low logic level. This is treated as the, healthy condition. NO announciation is there at output. If the fuel level in a tank drops below a certain level, the safety level sensor is open.This will cause to cut the base bias of the transistor. As the base bias is cut, the collector goes at higher logic potential. This logic pulse will be given to the microcontroller 89C51.
EXCESS ENGINE TEMPERATURE:- The ear engine temperature is to be controlled from increasing above a certain reference. Above that temperature the engine may get damaged. The