Safety top cap of power battery

• Main Authors: LI QUANKUN, WANG PENG, HE MENGJIANG, CAI RULAI, DENG PINGHUA
• Format: Patent
• Language: Chinese; English
• Published: 11.06.2014
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model belongs to the technical field of power batteries, and particularly relates to a safety top cap of a power battery. The safety top cap comprises a top cap plate, a first pole unit, a second pole unit, a pressure releasing valve, an injection hole and a safety turning valve, wherein the first pole unit, the second pole unit, the pressure releasing valve, the injection hole and the safety turning valve are arranged on the top cap plate, the first pole unit is electrically connected with the top cap plate, the second pole unit is assembled with the top cap plate in an insulation manner, the safety turning valve is electrically connected with the top cap plate, a short-circuit protection conductive plate is arranged above the top cap plate, is electrically connected with the second pole unit, and is arranged above the safety turning valve, the first pole unit comprises a first pole main body, a metal cushion block and a resistance block, the metal cushion block and the resistance block are arran