Aviation connector standards and their application status

1, circular electrical connector standards to support the current aviation host and airborne needs of the development of circular electrical connector standards can be divided into three phases: a. 50-60 years old aircraft type stereotypes using the Russian series of standards. b. 70-80 years stereotypes of active aircraft type used in China's self-development of a high level of medium-density series of products of the relevant standards. c. 90 years since the development of the new aircraft type mainly using the U.S. military standard series of standards. New aircraft mainly use the U.S. military standard series of military standards. The standard of the above electrical connector products show low, medium and high three grades of technical level, reflecting the evolution of China's electrical connector standard process and development trend. Circular electrical connector product standards are basically complete, in the field of aviation military aircraft play an important role, can basically meet the current demand. 2, printed line and rectangular electrical connector standard printed line electrical connector for on-board equipment for internal signal transmission, the use of a large number. Rectangular electrical connector is mainly used for connection between equipment and equipment within the board and board wire connection. Highly reliable wire spring structure is since the 1980s in China's aviation printed circuit electrical connector and part of the main structure of the rectangular electrical connector. Highly reliable wire reed structure electrical connector products represent today's more advanced contact structure. There are seven high-reliability wire spring structure printed line and rectangular electrical connector in the national military standard, including printed line electrical connector general specifications 1, printed line electrical connector detailed specifications 5, rectangular electrical connector standard I. Highly reliable wire spring structure of printed circuit and rectangular electrical connector in the aviation industry standards have 5, of which the high reliability of the wire spring structure of the standard 3, the open hole structure of the standard 2. China's introduction of aircraft from Russia, its on-board equipment using a large number of printed wire line spring structure of electrical connectors (1' PTIM, rpm-IM series) and frame-type rectangular connectors (PIIKM series), accordingly, our country also introduced a large number of Russian enterprise standards, basically to meet the production of Jaizai demand. China's current printed circuit and rectangular electrical connector standards in the structure, installation, contact arrangement, contact spacing and other aspects of the content of the reference to the leaf spring structure standards (MIL a c a 55302, DIN41612, etc.), can be more convenient and international standards. At present, the printed circuit and rectangular connector standards can basically meet the development and production needs. 3, coaxial connector standards for this type of connector is not the main business of the aviation system connector manufacturers, the aviation industry uses coaxial connector products mostly from the electronic system specialized manufacturers to order, and military aviation connector manufacturers product varieties are very limited. Airborne equipment factory orders to electronics, foreign companies as the main object. According to rough statistics, coaxial connector products involved in the MIL series of standards there are 7, each standard includes hundreds of detailed specifications, the content is exhaustive. China's equivalent, equivalent to the adoption of industry standards, military standards have been more than 200, and basically supporting the full range of connector products in all types of coaxial connector standard is the largest number of basic to meet the needs of the aviation main and auxiliary plant. 4, special electrical connectors and power connectors standard special electrical connectors are more varied, including shedding, oil, filtering, optoelectronic mixing, optical-electrical conversion, testing, and so on. These connectors require high reliability, technical difficulties, the number of general demand is not large, but belongs to the key products. Power connector product variety is less, a single field of application, but its connection as a power transmission has a more important role. At present, the number of special connector standards is relatively small, a total of 12 national military standards, including II types, the lack of detailed specifications, the current product is basically the implementation of enterprise standards. Power connector standards only a recommended standard (GB/I'13536), a national military standard (GJB970) and an aviation standard (HB6184), more than a dozen power supply aspects of the U.S. military standard has not been converted.

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