高压环境下的温度测量
在混合动力和电动汽车的开发过程中,需要对各种组件进行温度测量。 应用范围从电池、连接器和电力电子设备到对电机性能的测量。其中,有许多测量点具有高电位,必须在 EMC 和 ESD 方面保持稳健。 imc 提供传统的高压隔离温度测量模块,以及创新型光纤技术解决方案。
高压环境下的电压测量
无论是低压信号还是高压电路中的电压测量,在高压环境下测试时,都需要具备高隔离的测量技术和相应的安全措施。 即使是在不直接承载电压的组件上进行测量,例如充电插头、功率半导体等,在发生事故时也必须始终确保测量设备和人员的完全安全。 imc产品组合中的 高压测量模块和 kV 范围内的高压隔离测量模块,可以提供安全的高压组件测量方案。 这些模块符合设备安全标准 EN 61010,且隔离电压高达 1000 V CAT II。
宽量程电流测试
现代混合动力和电动汽车使用复杂的电源管理,以精确控制和优化能量流。除电力驱动外,还必须提供信息娱乐系统、执行器和ECU控制单元,即使车辆静止时也是如此。因此,对车辆电气系统内的能量流和功率消耗进行全面评估非常重要,尤其是对于优化车辆范围而言。怠速和工作电流之间的极端动态需要非常宽的测量范围,以便在所有工作情况下分析功率。
imc CANSAS-IHR 测量模块是一个基于CAN的宽量程电流传感器,能够对50毫安到50毫安的电流进行高精度、不间断的测量。这使得记录和分析怠速(“休眠模式”)和汽车部件工作状态之间的转换成为可能,在一次连续测量中,无中断的ECU和子系统。两个尺寸不同的测量分流器用于高量程动态(HR=高分辨率)。它们在自动测距过程中,可根据电流的实际水平自动切换量程。
电动汽车用高性能测量轮
由于电驱动的极端加速能力,新型电动汽车概念正在将驾驶动力扩展到以往不曾达到的水平。当然,在开发过程中必须评估由此产生的负载和应力增加,这对测量设备的性能提出了全新的挑战。
该区域使用的测量轮必须能够记录增加的力和扭矩,并且不仅在机械上,而且在电磁干扰方面都具有极佳性能。正是预见到这一测试需求变化趋势,imc为此而设计和提供多个系列的遥测车辆动态传感器系统。

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