Efficient Battery Heating in Low Temperatures with Pulse Technology
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Summary
Problems
Batteries in low-temperature environments experience reduced charging and discharging capacity, life attenuation, and potential irreversible damage, necessitating heating to ensure normal operation.
Innovation solutions
A charging apparatus with a DC source, bidirectional DC converter, and pulse heating module, controlled to select the appropriate heating method based on the battery's frequency requirement, allowing for efficient heating of batteries across various types and temperatures without the need for an in-vehicle heating apparatus.
TRIZ Analysis
Specific contradictions:
General conflict description:
Principle concept:
If a battery is charged in a low-temperature environment, then charging can be performed, but the battery experiences reduced charging and discharging capacity, life attenuation, and potential irreversible damage
Why choose this principle:
The patent applies preliminary action by heating the battery before charging to raise its temperature to an appropriate range. The control unit activates the heating module in advance when low temperature is detected, ensuring the battery reaches optimal temperature conditions before the charging process begins, thus preventing damage while enabling charging
Principle concept:
If a heating module is added to the charging apparatus, then battery heating capability is improved, but the device complexity and vehicle cost increase
Why choose this principle:
The patent applies universality by designing a heating module that serves multiple functions: it can heat the battery during charging, maintain temperature during storage, and provide thermal management for different battery types. The control unit intelligently selects appropriate heating parameters based on battery characteristics, making the same hardware adaptable to various scenarios without increasing complexity
Application Domain
Data Source
AI summary:
A charging apparatus with a DC source, bidirectional DC converter, and pulse heating module, controlled to select the appropriate heating method based on the battery's frequency requirement, allowing for efficient heating of batteries across various types and temperatures without the need for an in-vehicle heating apparatus.
Abstract
The present application discloses a charging apparatus, which comprises: a direct current (DC) source; a bidirectional DC converter connected between the DC source and a charging port of the charging apparatus; a pulse heating module connected in parallel with the bidirectional DC converter; and a controller configured for: selecting, when a heating request is received and according to a heating frequency requirement of a battery, one of the pulse heating module and the bidirectional DC converter to heat the battery. The present application also relates to a method for heating a battery and a storage medium.