Patent ID: 9136564
Filing Date: 2015-09-15
Classification: H01M,Y02E,Y02T

Abstract:
1. A battery pack system, comprising a plurality of battery cells, an isolated liquid and a battery box containing the isolated liquid, the battery cells being soaked in the isolated liquid, the battery box comprising a box body and a cover plate, and electrical connection components being disposed in the battery pack, wherein the battery cells are placed upside down; the isolated liquid is a fire-retardant and insulating liquid that has a specific gravity smaller than an electrolyte and is insoluble in the electrolyte, the box body is formed with an isolated liquid outlet and an isolated liquid inlet, the isolated liquid outlet is connected together with the isolated liquid inlet via a circulation passage to form a path, a liquid separation device and a circulation pump are further disposed in the circulation passage, the liquid separation device is connected with a detection device, the detection device comprises at least one detection component and a reaction device, the liquid separation device, the reaction device and at least one detection component are connected in sequence; each of the electrical connection components is soaked in the isolated liquid, and the isolated liquid is one or both of silicone oil and transformer oil.