Heavy truck T7H urea pump box integrated control system

Quick Details

The urea pump assembly is controlled by DCU to extract the urea water solution from the urea tank through the urea pump, through the urea filter, so that the urea can maintain a certain urea pressure to ensure the normal operation of the system.

DCU is the main function of signal acquisition of each sensor, and according to the CAN bus engine condition information of each sensor and signal control of urea injection timing and injection quantity, the leakage control strategy is reasonable or not directly affect the conversion rate of NOX high and low levels of ammonia. Can also be real-time diagnosis of the whole system, to make a timely response to the different status of the system to achieve the vehicle diagnosis (OBD) function.