车辆保险丝盒上各个耗电元件和各个电路的电流测量-Klaric Multi-8

时间：2024-11-05

作者：广州智维电子科技有限公司

产品Products：

FK2/ ATO FUSE PROBE

MULTI-8 (formerly KLARI-FUSE 3)

20230731110746_10759

测量 Carrying out the measurement

为了分析测试车辆中的电路，汽车制造商、开发服务提供商和供应商通常使用MULTI-8测量模块，即具有8个并联立输入的毫伏表。用于电流、电压和温度测量的不同探头可以连接到所有输入端。这些探针由测量模块自动识别。为了在计算测量值时达到尽可能高的精度，相应样品的校准值被传输到测量模块并用于计算。测量数据通过CAN和/或以太网传输，每个通道多可输出8 kHz。例如，多种配置选项可以通过不同的操作模式减少数据量，并对测量值进行平均。

这些模块优选安装在车辆内部，例如通过车辆保险丝盒直接连接到电路中，见图1。

为了防止其昂贵的测试车辆发生可能的短路，测量电路受到车辆保险丝的保护。测量分流器在立外壳中的布置确保了测量值不会因热效应而失真。这种测量技术也用于实验室车辆的测量，在实验室车辆中，使用原始线束在所谓的电路板结构中复制完整的电气/电子系统。

For the analysis of individual consumers or circuits in the test vehicle, automobile manufacturers, development service providers and suppliers often use MULTI-8 measuring modules, a millivoltmeter with 8 parallel, independent inputs. Different probes for current, voltage and temperature measurements can be connected to all inputs. These probes are automatically identified by the measurement module. In order to achieve the highest possible accuracy when calculating the measured value, the calibration value of the respective sample is transferred to the measuring module and used for the calculation. The measurement data is transmitted via CAN and/or Ethernet, a maximum of 8 kHz can be output per channel. A wide range of configuration options enable, for example, the reduction of the data volume via different operating modes and the averaging of measured values.

These modules are preferably installed in the vehicle interior and, for example, looped directly into a circuit via the vehicle fuse box - see Figure 1.

In order to protect the extremely expensive test vehicle against possible short circuits, the measuring circuits are protected by the original vehicle fuse. The arrangement of the measuring shunt in a separate housing ensures that the measured values are not falsified by thermal effects. This measurement technology is also used for measurements on laboratory vehicles, in which the complete electrical/electronic system is reproduced using the original wiring harnesses in a so-called board structure.

数据评估 Evaluation

除了测量的电流和电压值之外，通常还会记录许多其他测量数据，这些数据可以使用商用测量数据软件进行评估。立于CAN总线的带有其自身时间戳的测量值的传输使得测量值能够根据时间来分配并且与其他测量数据相关联。

由于这种高分辨率测量技术，能够在非常宽的范围内测量电量，即使是小的耗户也能被识别出来。由于一辆级汽车中有多达180个控制单元，这带来了的优化潜力。

Along with the measured current and voltage values, a number of other measurement data are often recorded, which are evaluated using commercially available measurement data software. The transmission of the measured values with its own time stamp, independent of the CAN bus, enables the measured values to be assigned in terms of time and correlated with other measured data.

Thanks to this high-resolution measurement technology, which enables the precise measurement of electrical quantities over a very wide range, even the smallest power guzzlers can be identified. With up to 180 control units in a premium class vehicle, this results in considerable optimization potential.

产品 Product
FK1/MINI FUSE-PROBES
FK2/ATO FUSE-PROBES
MULTI-8
FK3/MAXI FUSE-PROBES
MCASE FUSE-PROBES
MICRO2 FUSE-PROBES
MICRO3 FUSE-PROBES
JCASE FUSE-PROBES
MULTI-4
MULTI-8 ETH
MULTI-4 ETH

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