Power battery safe top cover

• Main Authors: LI QUANKUN, WANG PENG, HU JUNZHONG, CAI RULAI, DENG PINGHUA
• Format: Patent
• Language: Chinese; English
• Published: 21.08.2013
• 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 in particular relates to a power battery safe top cover, which comprises a top cover sheet, and a first post, a second post, a pressure relief valve, an injection hole and a safe roll-over valve, which are arranged on the top cover sheet, wherein the safe roll-over valve is electrically connected with the top cover sheet; the second post and the top cover sheet are assembled in an insulating manner; a conducting strip is arranged above the safe turn-over valve; and the conducting strip is electrically connected with the second post. The power battery safe top cover also comprises a metal cushion block, a resistance block and an insulator which are arranged above the top cover sheet, wherein the resistance block controls current flow direction through the insulator and is electrically connected with the metal cushion block; the first post is electrically connected with the top cover sheet through the metal cushion block and the resistance