The electric motor thermal management of new energy electric vehicles
As the environmental pollution, traffic congestion, and energy shortage of energy in the automotive industry, new energy vehicles will inevitably replace the market share of traditional fuel vehicles to a certain extent. In the future, new energy vehicles will have a huge room for development, or it will gradually become the main force in the development process of the automotive industry.
The problem of electric motor thermal mangement of electric vehicles is the big problem that plagues car companies. When the motor is working, there is always a part of the power loss convecting to the heat. It must continuously dissipate the heat from the motor shell. This process of heat dissipation is called thermal cooling.
The main cooling methods of the motor are natural cooling and air forced cooling, and the natural cooling structure is simple. It can be completed without auxiliary equipment, but the disadvantage is that the efficiency is poor and can only cope with small motors with low power. The air forced cooling are relatively simple, and the cost is low. However, it is restricted by environmental factors, such as high temperature, dust, dirt, and bad weather.
In this case, as a newer cooling technology, liquid cooling has received the attention of automotive R & D engineers. Liquid cooling is more significant than the other two ways, and can cope with a variety of complex working environments, which is very effective in cooling and energy saving. In addition, the research and development cost of liquid cooling has been reduced, because a large number of enterprises have begun to provide liquid cooling solutions for electric vehicles provided to help the development of new energy vehicles.
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