Tedi India Pvt Ltd is one of the Leading suppliers of Speed Governor, Vehicle Camera, GPS Tracking system
HOVEL’S SPEED LIMITER
Principle of Operation
The Electronic Control Unit is powered from the battery through the Ignition switch. When ignition is turned ON, the ECU is powered.
The ECU activates the solenoid valve, which opens allowing the fuel to be injected in to the engine.
Electronic Control Unit receives frequency signals from the speed sensor mounted on the engine gearbox
The valve closes reducing the fuel supply, which in turn reduces the vehicle speed.
Stabilized Speed :
Speed shall not vary by more than 4 % of the Stabilized speed (or) 2 Km/hr whichever is higher
The rate of change of speed shall not exceed 0.2 m/sec2 when measured on a period greater than 0.1 seconds
Tamper Proof :
If Power or Signal wires to the ECU are sealed for total security.
If ECU Module is bypassed in the event of tampering with a time pulse relay with a set frequency in order to maintain a controlled fuel flow to the solenoid valve.
If Speed Sensor is so positioned that it is not easily reachable
A specially designed two pulse Hall Effect Sensor is used to generate pulses in relation to the speed of the vehicle and transmit the same to the Electronic Control Unit.
The sensor is easily mountable on the gear- box without loss or modification to any existing part.
The mechanism has been designed to withstand hazardous and dusty, corrosive and grimy environment and ensure efficiency and reliability for a long time.
Technical Specification :
Operating Voltage is 10 V – 14 V
Operating Frequency is 1 Hz to 400 Hz
No. of Pulses is 2 Pulses / rotation
Duty Cycle Signal is 100 % of Total Time Period
Output Signal Amplitude is 4 V to 2.7 V
Electronic Control Unit
Electronic Control Unit is powered from the battery through the Ignition switch. When ignition is turned ON, the ECU is powered.
Electronic Control Unit is the brain of the system that receives the signals from the speed sensor and activates the control module to govern the speed of the vehicle.
Set Speed, Speedometer Ratio and Gearbox rpm are fed into the ECU with the help of a Hand Held Programmer.
Technical Specification :
Operating Voltage is 12 V – 32 V DC
Operating Temperature is 10º C to 55º C ± 2º C
Operating Current is 150 mA max.
Speed Limitation Device (SLD), commonly known as Vehicle Speed Governor is a micro-controller based electronic unit, which constantly monitors the speed of a vehicle and governs the speed within the set limit.
The Unit offers a variety of benefits to the fleet owners, drivers and passengers. The advantages of the Speed Limitation Device include :
Better safety by avoiding over-speeding
Reduced strain on engines, thereby increasing the life of engines
Increased Fuel Economy
Improved Operational Efficiency
Negligible Current Consumption (10 MA in Sleep Mode)
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