在不同环境下航空插头有哪些性能要求?-绅士go
航空插头通常用于不同的环境。为了保证其功能不受干扰,满足各种复杂恶劣环境的应用要求,其环境功能显得尤为重要。温度、湿度、酸碱、振动冲击、液体浸泡等都会对航空插头的功能和使用寿命产生很大影响。温度是表示物体冷热程度的物理量。不同季节和地区的环境温度不同。它能改变物体的物理状态,对航空插头的效率有很大的影响。为了保证连接器的高效率,要求内部金属构件在一定的温度范围内保持物理状态不变,因此要求其承受的温度范围为-60℃-200℃。当两个部件连接起来时,电流会在整个过程中产生热量,温度会升高。这是工作温度。一般来说,工作温度和环境温度都在200度以内,这是一个允许的温度范围。湿度是指示大气干燥程度的物理量。水会对金属构件产生腐蚀性,并具有一定的导电性,降低绝缘性。但是,在一定的风量和温度下,湿度越高,空气中的水汽越多,这将影响连接器的功能。因此,连接器的组成材料必须是水冲击最小的材料,温度限制在40度左右,相对湿度在90%-95%之间,中间连接器必须能正常工作至少96小时。13岁。
盐雾是由大气中的小盐滴组成的分散体系。当温度为35℃、盐浓度为3%时,会对物体特别是金属零件造成严重腐蚀,影响航空插头的电气性能。为避免影响其在盐雾环境中的电气功能,要求其能在由特定氯化钠溶液制成的盐雾环境中连续工作至少48小时。13
振动和冲击经常影响连接器电接触的可靠性和牢固性。通常在生产过程中,会根据相关参数模拟振动和冲击环境,对连接器的功能进行检查和改进。
液体浸泡是指将物体浸入液体中。附近含水量大,作用时间短。但是,这种方法也是检查和修理密封性能良好的物体的常用方法。为了保证航空插头使用功能的可靠性,保持连接部件电流的连续性,通常根据不同的应用对象和不同的应用环境,选择适当的形状和结构应用到相应的电子设备上,但它们都必须满足不同环境条件下的电气功能要求。
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