Patent
Car power source apparatus
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TLDR
In this article, a voltage detection circuit is provided with an isolation transformer having its primary side connected to battery 2 connection nodes 10, a switching device 5 connected to the primary side of the isolation transformer 4, an isolated input circuit 7 that switches the switching devices 5 ON and OFF, and a secondary voltage detection section 8 that detects output voltage from the secondary side.Abstract:
The voltage detection circuit 3 is provided with an isolation transformer 4 having its primary side connected to battery 2 connection nodes 10, a switching device 5 connected to the primary side of the isolation transformer 4, an isolated input circuit 7 that switches the switching device 5 ON and OFF, and a secondary voltage detection section 8 that detects output voltage from the secondary side of the isolation transformer 4. In the voltage detection circuit 3, the series input circuit 6 of the isolation transformer 4 primary side and the switching device 5 are connected to battery 2 measurement nodes, the switching device 5 is switched ON and OFF with a given periodicity by the isolated input circuit 7, and the output voltage from the secondary side of the isolation transformer 4 is detected by the secondary voltage detection section 8 to determine the voltage across the measurement nodes.read more
Citations
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Patent
Battery Monitoring System
Akihiko Kudo,Mutsumi Kikuchi,Gosuke Shibahara,Akihiko Emori,Yasuo Uemura,Tatsumi Yamauchi,Kenji Kubo,Masahito Sonehara,Masahiko Amano,Yoshinori Aoshima +9 more
TL;DR: In this article, a battery monitoring system comprises a battery state detection circuit that detects battery states of a plurality of battery cells that are connected in series, based on their respective cell voltages of the battery cells.
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References
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Patent
Battery management system
TL;DR: In this paper, a battery management system for management and control of a plurality of rechargeable batteries connected in series is presented, where a programmed central processing unit communicates with a battery module and a bulk charger during a charging cycle.
Patent
Battery voltage detector
TL;DR: In this article, a voltage detector is connected with each cell block consisting of a plurality of cells, and a differential amplifier and an analog-to-digital converter are powered by the cell block through regulators.
Patent
Voltage detection device of battery pack for electric vehicle
Kohei Suzuki,康平 鈴木 +1 more
TL;DR: In this paper, a voltage detection circuit which conducts failure diagnosis of a differential amplifier unit in response to the voltage detected by the differential amplification unit is presented. But the circuit is not suitable for the case where the battery controller determines a failure based on the result of the decision and the voltage value.
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Storage battery charger and method for controlling the charging process
TL;DR: In this paper, a battery charger for charging at least two storage batteries, consisting of a first charging pocket for receiving a first storage battery; a second charging pocket to receive a second storage battery, is described.
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