Power connectors selection self-driving car design connectors

System design is becoming increasingly miniaturized, but the power supply needs are growing, which brings great challenges to design engineers, which means that the power connector must accommodate two contradictory conditions, that is, to increase the power supply at the same time as the design must be more compact, in the screening of a wide range of power connectors on the market, more do not know how to start, in order to focus on the characteristics of the - - rated current, for example, there are many lessons to be learned. -Rated current, for example, which contains a lot of learning.

Rated current, is to prompt the female terminals specific temperature rise in the flow of electricity, generally 20 ℃ or 30 ℃, to use this data correctly, in addition to understanding the test method, but also must pay attention to its test environment automotive connectors, for example: some simple test a pair of connected but not mounted in the shell of the female terminals and the male pins, it is known to all that affects the connector's warming factors, including the contact resistance, the flow of electricity and the cooling channel in the actual application, the male pin female terminals are mounted in the shell, so the cooling channel is drastically reduced, plus the general use of multiple contact pairs at the same time. In practice, the male pin female terminals are installed in the shell, therefore, the heat dissipation channels dramatically reduced, coupled with the general use of multiple contact pairs at the same time, more can not be set to the peak rated current for the connector's operating current. From the production point of view, most of the traditional type of power connector lathe processing, based on the increasingly mature stamping technology, thus giving rise to a new generation of press molding of the power connector, compared to the lathe plus automotive connectors work process is relatively simple, grinding tool setup time is short, is a more flexible production technology, stamping molding process is more expensive, but put into mass production, its cost is not comparable with the lathe processing, in particular, stamping! Especially, the press molding technology allows localized plating, which is an option that lathe processing cannot provide. From the quality point of view, under the condition of long-term mass production, press molding ensures a certain level of quality stability, which is incomparable to lathe processing. Design connectors for self-driving cars need to consider three factors are as follows: 1, consider the regulatory and environmental requirements of self-driving cars, new energy vehicle connectors to determine the design of cables and connectors can be used properly in the application environment. 2, self-driving car connectors another design consideration is to understand the needs of the specific application industry, to ensure that the design of the connector products to use the best performance. 3, the design of the Self-driving car connectors require an understanding of key market and technology trends, and should keep up with the latest industry design and certification requirements, especially the connector's high-speed data transfer performance. In addition, in the self-driving car and industrial and other specific application design selection of the right type of connector and cable, but also need to understand a lot of knowledge, such as the need to meet the small size and ability to withstand the characteristics of harsh environments are factors that need to be considered.

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