Power supply control method and system for multifunctional emergency power supply

Abstract

The application relates to a power supply control method and system for a multifunctional emergency power supply, and relates to the field of emergency power supplies. The method comprises the following steps: obtaining the start time and stop time of an electric vehicle in a driving process, and calculating the start-stop time interval between the start time and the stop time; recording the starting and stopping times when the start-stop time interval is smaller than a preset time interval threshold value and the power consumption of a primary power supply in the electric vehicle; and switching the power supply of the electric vehicle from the native power supply to the emergency power supply when the starting and stopping times are continuously recorded to reach the preset starting and stopping time threshold and the power consumption of the native power supply is lower than the preset power consumption. According to the application, the power supply control method and system have the effects of prolonging the service time of the primary power supply and reducing the replacement of the emergency power supply.

Description

technical field [0001] The present application relates to the field of emergency power supplies, in particular to a power supply control method and system for a multifunctional emergency power supply. Background technique [0002] At present, a common electric vehicle, such as the electric vehicle disclosed by the authorized announcement number CN201405716Y, includes a battery pack box and a car body on which the battery pack box is installed. There is a loading and unloading opening on the vehicle body facing one end, and the battery pack box is installed in the groove frame and is located at the geometric center of the vehicle. [0003] Existing power supply such as authorized announcement number is a kind of multi-functional emergency power supply disclosed by CN206099438U, comprises box body and battery pack, box body is provided with the accommodation cavity that accommodates battery pack, box body is provided with the lid body that covers accommodation cavity , the ca...

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Problems solved by technology

[0004] The above-mentioned battery pack box is used to install the original power source used by the electric vehicle when it leaves the factory, and at the same time, it can be installed with a multi-functional emergency power supply as a temporary power supply to supply power to the electric vehicle. Every time a certain distance is traveled, the electric vehicle has to follow up a certain distance. In the crowded road section, the electric vehicle needs to travel more similar distances, which will cause repeated start and stop. In this process, the power consumption of the original power supply Larger, even the power of the original power supply is exhausted. At this time, it is necessary to stop and replace the emergency power supply in a congested road, which is troublesome

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