High-voltage interlocking detection system and method and electric vehicle

• Main Authors: HONG XIAOQIANG, WU GENQIANG, NIU SHENGFU, CAI FENGFENG, SHUAI XISHI, JIANG XIN, WANG JIANHUI
• Format: Patent
• Language: Chinese; English
• Published: 31.07.2020
• Subjects: ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PERFORMING OPERATIONS; PHYSICS; TESTING; TRANSPORTING; VEHICLES IN GENERAL

The invention discloses a high-voltage interlocking detection system and method and an electric vehicle. The system is applied to the electric vehicle and comprises high-voltage components, a high-voltage connector, high-voltage interlocking detection modules and a vehicle control unit, wherein the high-voltage interlocking detection modules are in one-to-one correspondence with the high-voltage components; the high-voltage component comprises a high-voltage interlocking detection input port and a high-voltage interlocking detection output port; the high-voltage connector is used for electrically connecting the two high-voltage components; the high-voltage interlocking detection module comprises a low-voltage signal source and a detection unit, the low-voltage signal source is electricallyconnected with the high-voltage interlocking detection input port, the input end of the detection unit is electrically connected with the high-voltage interlocking detection output port, and the output end of the detection u