The invention discloses a method which is implemented in an electrical system (1). The electrical system (1) comprises at least one electrical power source (10) and at least one electrical component (121 to 123) electrically connected through an electrical switch (11), and the method comprises the following steps: a) measuring first and second electrical voltages (Ub; Uc1 to Uc3) present between terminals of the electrical power source and the electrical component; b) computing a voltage difference between the first and second electrical voltages; c) comparing the voltage difference to a predetermined voltage threshold; d) diagnosing a faulty electrical connection between the electrical power source and the electrical component as a function of the result of the comparison; e) controlling (CDC) an opening of the electrical switch and/or the transmission of a warning signal in the event that a faulty electrical connection is diagnosed.
本发明公开了一种实施在电气系统(1)中的方法,所述电气系统包括至少一个电功率源(10)和至少一个电气元件(121至123),所述至少一个电功率源和所述至少一个电气元件通过电气转换开关(11)电气联接,所述方法包括以下步骤:a)测量存在于所述电功率源的端子之间和所述电气元件的端子之间的第一电压和第二电压(Ub,Uc1至Uc3),b)计算在所述第一电压与所述第二电压之间的电压偏差,c)使所述电压偏差与预确定的电压阈值比较,d)根据所述比较的结果诊断在所述电功率源与所述电气元件之间的故障电气连接,以及e)在诊断出故障电气连接的情况下,控制断开(CDC)所述电气转换开关并且/或者发射警报信号。
ELECTRICAL SYSTEM AND METHOD FOR DIAGNOSING FAULTY ELECTRICAL CONNECTION IN ELECTRICAL SYSTEM
电气系统以及用于诊断电气系统中的故障电气连接的方法
2022-01-14
Patent
Elektronische Ressource
Chinesisch
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |