Storage battery protection circuit and method of self-adaptive vehicle-mounted terminal

• Main Authors: ZHANG HANGQI, CAI YANPING, LAN WEIHUA, TANG YIMING, CHEN RUTAO
• Format: Patent
• Language: Chinese; English
• Published: 09.03.2018
• Subjects: PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

The invention discloses a storage battery protection circuit of a self-adaptive vehicle-mounted terminal. The storage battery protection circuit is connected among an automobile storage battery powersource, automobile key signals and a power source conversion circuit, and the storage battery protection circuit comprises an automobile key signal control circuit, a storage battery self-adaptive circuit and a low-voltage protection circuit; the automobile key signal control circuit, the storage battery self-adaptive circuit and the low-voltage protection circuit are connected with each other; the input end of the power source conversion circuit is connected with the automobile storage battery power source, an enabled end of the power source conversion circuit is connected with the low-voltage protection circuit, and the output end of the power source conversion circuit is connected with the vehicle-mounted terminal. After the automobile storage battery power source switches the circuit through a power source and