PPI0001045 Dummy Seal For Use With Compact Type Low-Profiled Waterproof Connector

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New energy vehicles are based on traditional cars. By adopting a new energy power system, under the conditions of the original car function and capabilities, the car power system and other systems are reasonably arranged. Under the conditions of meeting the performance of the car chassis, under the conditions Ensure that various performance indicators will not change greatly.

The development history of electric vehicles is longer than that of traditional internal combustion engines. The world's first motor vehicle is electric vehicles. Later, due to the rapid development of internal combustion engine automotive technology, the development of electric vehicles failed to make breakthroughs in the development of energy technology and mileage. From the early 1920s to the late 1960s, the development of electric vehicles entered a period of silence. Since entering the 1970s, due to the outbreak of the Middle East oil crisis and the increasing attention to the natural environment of human beings, electric vehicles have once again become a hot spot for technological development.

Today, the pressure of energy and the environment to humans is increasing, and the call for the human living environment as soon as possible as soon as possible is getting higher and higher. In order to adapt to this development trend, the governments, academic and industrial circles of countries around the world are increasing their investment in the development of electric vehicles to accelerate the pace of commercialization of electric vehicles. Although electric vehicles have not been satisfactory in terms of energy and mileage, it is enough to meet people's basic needs. From the perspective of technological development, after walking through the long and difficult development process, electric vehicles are facing major technological breakthroughs and are expected to become an important transportation in the 21st century.

According to different classification methods, pure electric vehicles can be divided into multiple categories.

① Classification by energy storage device: It can be divided into lead -acid battery electric vehicles, lithium battery electric vehicles, nickel -metal hydride battery electric vehicles, sodium sulfur battery electric vehicles and capacitive electric vehicles.

② Classification by drive electric motors: It can be divided into 4 categories: DC motor electric vehicle, AC motor electric vehicle, permanent magnetic brush -free motor electric vehicle and switch magnetic motor motor electric vehicle.

③ Classification by the layout of the driver's structure: This is actually classified according to the driver transfer method. Due to the flexibility of the motor drive, there are many combination methods. In summary, there are 4 typical basic structures: traditional driving modes, motor-driving bridge combined driving methods, motor-driving bridge overall driving methods, and wheel-type motor dispersing driving methods.

④ Classification according to use: can be divided into electric buses, electric cars, etc.

Because electric vehicles are different from traditional cars, pure electric vehicles require large -scale design and layout in terms of structure to meet certain performance needs. The following will be discussed from the aspects of several key components and system arrangements of pure electric vehicles.

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