Heat preservation water tank for improving cold starting performance of engine

Abstract

The invention relates to a heat preservation water tank for improving cold starting performance of an engine. The heat preservation water tank comprises a heat preservation material layer (1), a heating element (2), a water tank (3), a relay KM1(4), a power supply device (5), a controller (6), an alarm (7), a temperature control switch ST1(8), a temperature control switch ST2(9), a relay KM2(10),a water pump (11), a time relay (12), the engine (13) and a remote control transmitter (14). When a vehicle is stopped, high-temperature cooling liquid is stored in the heat preservation water tank, and the cooling liquid in the heat preservation water tank is kept within the temperature range (such as 80-95 DEG C) of normal operation of the engine through a temperature control module and a heating module. The water pump is started before the engine of the vehicle is started, the high-temperature cooling liquid in the heat preservation water tank is rapidly supplied to an engine cooling system(a cooling water jacket and a circulating water path), rapid heat engine of the whole vehicle is achieved, the cold starting time is shortened, and the economical efficiency and the emission performance of the starting process of the whole vehicle are improved.

Description

technical field [0001] The invention relates to an engine water tank heat preservation device, in particular to an intelligent control device for the water temperature of the engine water tank. Background technique [0002] With the increasingly severe energy crisis and environmental pollution situation, energy conservation and emission reduction have become an important development demand of the automobile industry. In order to effectively promote the improvement of vehicle emissions and fuel consumption, the National 5 light-duty vehicle pollution emission standard was proposed and implemented in 2013, and the National 6 light-duty vehicle emission standard and the fourth-stage light-duty vehicle fuel consumption standard 5L / 100km are expected to be implemented in 2020. Strict emissions and fuel consumption regulations have brought enormous pressure and challenges to the automotive industry. Improving vehicle fuel economy and controlling pollutant generation are the most e...

AI Technical Summary

Problems solved by technology

In the cold start stage, the coolant temperature is low (basically the same as the ambient temperature, lower than 40°C), especially in winter or in severe cold regions, the coolant temperature may be lower than -20°C, and the engine is too cold, causing the lubricating fluid to become thick and viscous , the lubrication effect is not good, and the movement resistance of the parts increases; at the same time, the cold start causes the engine and the mixed gas or fuel atomization to be poorly mixed, the combustion deteriorates, and a large amount of CO, HC and particulate emissions are produced. At the same time, the power consumption increase, the effective thermal efficiency decreases sharply, the fuel consumption increases greatly, the power of the engine decreases, and the economy and emission performance deteriorate seriously.

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