Apparatus for managing battery and method thereof
US-2024418786-A1 · Dec 19, 2024 · US
Voltage detection device, voltage detection method, abnormality determination device, abnormality determination method, and battery pack system
US2016252584A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016252584-A1 |
| Application number | US-201615053546-A |
| Country | US |
| Kind code | A1 |
| Filing date | Feb 25, 2016 |
| Priority date | Feb 27, 2015 |
| Publication date | Sep 1, 2016 |
| Grant date | — |
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Abstract
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A voltage detection device includes battery stacks, and a connection member configured to electrically connect the battery stacks. The voltage detection device includes: a capacitor connected to each battery stack in parallel; switches, each of which having one end connected to a terminal of each battery stack and the other end connected to the capacitor; a detection unit configured to detect a voltage of the capacitor, and a control unit configured to control the switches, in which the control unit comprises: a discharging path selection unit that selects a discharging path comprising the connection member and the capacitor when discharging the capacitor, and a determination unit configured to determine whether an abnormality has occurred in the battery pack or at least one of the switches, in correspondence to at least one of a voltage of the capacitor after charging and a voltage of the capacitor after discharging.
First claim
Opening claim text (preview).
What is claimed is: 1 . A voltage detection device configured to detect a voltage of a battery stack of a battery pack comprising a plurality of battery stacks, each of which having a plurality of battery cells connected in series, and a connection member configured to electrically connect the plurality of battery stacks, the voltage detection device comprising: a capacitor connected to each of the plurality of battery stacks in parallel; a plurality of switches, each of which…
Assignees
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Classifications
- G01R31/396Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
- G01R31/3658Primary
Physics · mapped topic
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Frequently asked questions
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- What does patent US2016252584A1 cover?
- A voltage detection device includes battery stacks, and a connection member configured to electrically connect the battery stacks. The voltage detection device includes: a capacitor connected to each battery stack in parallel; switches, each of which having one end connected to a terminal of each battery stack and the other end connected to the capacitor; a detection unit configured to detect a…
- Who is the assignee on this patent?
- Fujitsu Ten Ltd
- What technology area does this patent fall under?
- Primary CPC classification G01R31/396. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Thu Sep 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).