Technical environment
At present, there are still some problems in China's electronic water pump technology that have not been solved, how to solve the problem reasonably and effectively, and put forward corresponding measures in line with the development trend is an important measure to promote the development and progress of automobiles.
To put it simply, the electronic water pump is mainly used to cool the engine oil after the car is turned off, which is also the exploration and application improvement of the cooling system of the automotive electronic water pump. The turbine shaft will produce huge heat, after the car is driving, its appearance is wrapped by the engine oil, and at this time, the inlet of the oil is obviously different from the outlet of the oil discharge, there is also a difference between the water inlet and the water outlet, and there will be a certain pressure in the cooling water between the shell here, so as to ensure that the cooling water and the shell maintain a close joint, so as to better achieve the cooling purpose.
At this stage, there are still many problems to be solved in automobile water pump technology. Aside from the technology itself, as a key part of the thermal management system of the automobile, its heat dissipation and cooling will inevitably produce certain environmental problems, and at this stage, under the principle of emphasizing environmental protection and saving production, we should pay attention to the exhaust pollutants produced in production and their costs, and pay attention to exploring the sustainable development path of electronic water pump technology. As far as the technology itself is concerned, the ambient temperature used by the water pump is -40 ~ 120°C, and the three-way catalysis, exhaust pipeline and engine should be avoided as much as possible during the use of the technology to ensure that the ambient temperature meets the requirements. The pump should not run dry, it can run dry for up to 30s. Dry running creates noise and increases wear and tear at the same time. To avoid dry running, the pump outlet should be vertically up or on the upper side of the impeller. A variety of factors, such as the load at which the motivation works before the flameout is a few important aspects that hinder the application of electronic water pump technology.
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