Engine active temperature control system and control method thereof

Abstract

The invention discloses an engine active temperature control system and a control method thereof. The engine active temperature control system comprises a motor radiator, an active power radiating device and a controller. A plurality of electric fans A and a first water outlet end sensor are arranged in the motor radiator. The active power radiating device is composed of an intercooler and a radiator, wherein a plurality of electric fans B and an air outlet end sensor are arranged in the intercooler, and a plurality of electric fans C, a water inlet end sensor and a second water outlet end sensor are arranged in the radiator. The engine active temperature control system has the advantages that an engine, the intercooler and the radiator are subjected to active forced air cooling temperature adjustment in a grading mode, vehicle engine temperature control is led to be active and intelligent, the system has a fault automatic diagnosis and handling function, the engine operates in an optimum temperature range, engine failure is reduced, engine energy consumption is reduced, engine service life is prolonged, total vehicle safety performance is improved, the purpose of energy conservation and emission reduction is achieved, and the engine active temperature control system is strong in generality and convenient to install.

Description

technical field [0001] The invention relates to an engine active temperature control system and a control method thereof, belonging to the technical field of engines. Background technique [0002] With the development of my country's economy, transportation, logistics, and infrastructure industries are developing rapidly. The number of urban public transport, large passenger vehicles and construction machinery is increasing year by year. However, most products still use the traditional cooling system. The power consumption of the traditional cooling system has accounted for more than 10% of the engine power consumption. The traditional cooling system is coupled with the engine and cannot be adjusted independently of the engine speed. There is no effective closed-loop temperature control system. Control measures, large water and air temperature deviations and other defects lead to uneven engine temperature, often too low or too high. According to foreign authoritative data,...

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Problems solved by technology

However, most products still use the traditional cooling system. The power consumption of the traditional cooling system has accounted for more than 10% of the engine power consumption. The traditional cooling system is coupled with the engine and cannot be independently adjusted independently of the engine speed. There is no effective closed-loop temperature control system. Control measures, water, air temperature deviation and other defects, resulting in uneven engine temperature, often too low or too high

According to foreign authoritative data, the optimum operating temperature of an automobile engine is between 85°C and 90°C. When the operating temperature is lower than 60°C, the fuel consumption will increase by 15%. It will increase by 45%, and the energy consumption is large. At the same time, the existing temperature control system is limited by the engine speed, and cannot actively adjust the temperature, and the engine failure rate is high.

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