1. Design of Intelligent Tire Safety Pre-alarm
System Based on ARM7
Abstract:
The tire burst used to cause fatal traffic accidents, threatening the safety of
drivers and property, in cognizance of this problem, it comes up with an intelligent
tire safety pre-alarm system. The hardware components and software design means
of tire pressure monitoring system are introduced. The whole system is composed
of a host module and four wireless sensor micro-extensions.
The four wireless sensor micro-extensions are installed in tires, monitoring
the pressure and temperature of tires in real time and sending them to center
monitoring host through wireless module MC68HC908RF2. The monitoring host
adopts MC33594 for receiving data, and uses CPU S3C2440 for processing data
and displaying. Once the tire comes out abnormal conditions, for instance, the
pressure is high or low, or leaking and excess temperature, the monitoring host
give out audible and visible signals to driver for warning of pulling up and taking
relevant measure to avoid serious accidents.

2. Block Diagram:
Pressure sensor LCD
Temperature
sensor
Controller
FIR detector
Buzzer
Step down Rectifier Filter Regulator
transformer
Power supply

3. Hardware Requirements:
1. Microcontroller
2. Power supply
3. Temperature sensor
4. Pressure sensor
5. FIR detector
6. Buzzer
7. LCD Module
Software Requirements:
1. KEIL Software

4. Advantages:
1. The pressure is high or low, or leaking and excess temperature, the
monitoring host gives out audible and visible signals to driver for warning of
pulling up and taking relevant measure to avoid serious accidents.
2. Low power consumption
3. Competitively low price
Applications:
1. Transport applications