3results about How to "Prevent over discharge" patented technology

The application discloses a solar charging and discharging management circuit, which comprises a power management module, a battery pack, an analog front end monitoring module, a power output branch and a main control module. The input end of the power management module is connected with a solar panel interface, which is used for converting input electric energy through a maximum power point tracking (MPPT) function. The battery pack is connected with the power output end of the power management module. The analog front end monitoring module is connected with the battery pack, which is used for collecting physical state information of the battery pack in real time. The input end of the power output branch is connected with the battery pack and the power output end of the power management module, and the output end of the power output branch is provided with a controlled switch, which is used for providing direct current to an external load. The main control module is connected with the analog front end monitoring module and the controlled switch, which is used for calculating battery power according to the physical state information and controlling the opening and closing states of the controlled switch according to the battery power. Through MPPT conversion, AFE high-precision monitoring and main control intelligent closed-loop control, the application realizes efficient energy utilization and accurate battery protection.

The utility model discloses a kind of vehicle-mounted equipment power supply low-voltage protection and spare battery switching control circuit, including first power conversion circuit, second power conversion circuit, hysteresis comparator circuit and spare battery switch circuit.First power conversion circuit is filtered to vehicle-mounted power supply, DC-DC conversion is carried out, and multiple protection circuits are set;Second power conversion circuit reduces voltage output stable voltage to vehicle-mounted power supply;Hysteresis comparator circuit real-time monitoring vehicle-mounted power supply voltage;Spare battery switch circuit switches to spare battery power supply when low voltage.It can real-time monitoring vehicle-mounted power supply voltage, when voltage is lower than set threshold, cut off vehicle-mounted power supply and rear-end equipment connection, prevent automobile battery overdischarge, while automatically switched to spare battery power supply, guarantee vehicle-mounted equipment continuous operation.In addition, through hysteresis voltage comparator design, avoid circuit frequently switching, improve system stability and reliability, ensure the continuity of automobile intelligent function.

The application discloses a range extending drive mechanism, an aircraft and a battery pack assembly. The range extending drive mechanism comprises an internal combustion engine, a generator, an electric motor, a plurality of battery packs and a plurality of charging circuits corresponding to the battery packs respectively, and further comprises a first array switch and a controller. The internal combustion engine is connected with the generator; the generator is connected with the electric motor. In addition, the generator is connected with the plurality of charging circuits through the first array switch respectively; and the first array switch is connected with the controller, and is used for controlling the conduction and disconnection between the charging circuits and the generator.