Storage battery falling detection method and new energy automobile

• Main Authors: NI YUNLEI, CHEN HAO, JIANG SUJIE, GUO YUNXIANG
• Format: Patent
• Language: Chinese; English
• Published: 22.03.2024
• Subjects: ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

The invention discloses a method for detecting falling of a storage battery and a new energy automobile in the technical field of detection. The method comprises the steps that a system begins to supplement electricity, and an HCU begins to time; when the first preset time is reached, the HCU carries out fault judgment and resets timing; the HCU judges whether the storage battery is likely to fall off or not according to the absolute value of the difference value between the real-time SOC and the last-period SOC; if yes, delay judgment is carried out, and when the second preset time is reached, the HCU carries out fault judgment again; if the absolute value of the difference value between the real-time SOC and the last-period SOC is smaller than a first preset constant, the HCU judges that the storage battery falls off. According to the detection method provided by the invention, judgment is carried out through the absolute value of the difference value between the real-time SOC and the last-period SOC, wheth