JP5481018B2 - 電池電圧低下検出装置 - Google Patents
電池電圧低下検出装置 Download PDFInfo
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- JP5481018B2 JP5481018B2 JP2007131341A JP2007131341A JP5481018B2 JP 5481018 B2 JP5481018 B2 JP 5481018B2 JP 2007131341 A JP2007131341 A JP 2007131341A JP 2007131341 A JP2007131341 A JP 2007131341A JP 5481018 B2 JP5481018 B2 JP 5481018B2
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- Prior art keywords
- battery voltage
- voltage drop
- battery
- drop detection
- pseudo load
- Prior art date
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- 238000001514 detection method Methods 0.000 title claims description 144
- 230000007613 environmental effect Effects 0.000 claims description 54
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 239000013256 coordination polymer Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Tests Of Electric Status Of Batteries (AREA)
- Secondary Cells (AREA)
Description
2 CPU(疑似負荷抵抗変更手段の一部、電池電圧低下検出しきい値変更手段)
3 pnp型トランジスタ
4 疑似負荷抵抗
5 電池電圧低下検出IC
9 pnp型トランジスタ(疑似負荷抵抗変更手段の一部)
10 疑似負荷抵抗(疑似負荷抵抗変更手段の一部)
14 サーミスタ(温度検出手段)
Claims (2)
- 電池に、電池電圧検出時にオンにされるトランジスタを介して疑似負荷抵抗を接続して疑似負荷電流を流した際の電池電圧が電池電圧低下検出しきい値以下になったことが検出された場合に報知手段により電池電圧低下の報知を行う電池電圧低下検出装置であって、
環境温度を検出する温度検出手段と、
前記温度検出手段で検出された前記環境温度が予め設定された所定温度以上になると前記疑似負荷電流が大きくなるように、前記電池に接続される前記疑似負荷抵抗を変更する疑似負荷抵抗変更手段と、
を備えていることを特徴とする電池電圧低下検出装置。 - 請求項1記載の電池電圧低下検出装置において、
前記温度検出手段で検出された前記環境温度が高くなると前記電池電圧低下検出しきい値が高くなるように変更する電池電圧低下検出しきい値変更手段をさらに備えていることを特徴とする電池電圧低下検出装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007131341A JP5481018B2 (ja) | 2007-05-17 | 2007-05-17 | 電池電圧低下検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007131341A JP5481018B2 (ja) | 2007-05-17 | 2007-05-17 | 電池電圧低下検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008286621A JP2008286621A (ja) | 2008-11-27 |
JP5481018B2 true JP5481018B2 (ja) | 2014-04-23 |
Family
ID=40146481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007131341A Active JP5481018B2 (ja) | 2007-05-17 | 2007-05-17 | 電池電圧低下検出装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5481018B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106571647A (zh) * | 2015-10-08 | 2017-04-19 | 中兴通讯股份有限公司 | 电池切换的方法、发送电池切换信号的方法及装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5277134B2 (ja) * | 2009-10-09 | 2013-08-28 | 矢崎エナジーシステム株式会社 | 電池式のガス警報器 |
JP2017049857A (ja) * | 2015-09-03 | 2017-03-09 | 矢崎エナジーシステム株式会社 | 電池式警報器 |
EP4004571A1 (en) * | 2019-07-24 | 2022-06-01 | LifeScan IP Holdings, LLC | Portable test meter with backlight battery depletion monitoring |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56138257A (en) * | 1980-03-31 | 1981-10-28 | Yaskawa Electric Mfg Co Ltd | Battery voltage detection circuit |
JPS58108519A (ja) * | 1981-12-22 | 1983-06-28 | Canon Inc | カメラの電源チエツク装置 |
JPH0259681A (ja) * | 1988-08-25 | 1990-02-28 | Matsushita Electric Ind Co Ltd | バッテリーチェック回路 |
JPH0310179A (ja) * | 1989-06-08 | 1991-01-17 | Matsushita Electric Ind Co Ltd | 電池切れ検出装置 |
JPH06201804A (ja) * | 1992-12-28 | 1994-07-22 | Casio Comput Co Ltd | 低電圧検出装置 |
JP4448206B2 (ja) * | 1998-11-27 | 2010-04-07 | 株式会社ガスター | 電池消耗度判定装置および該装置を内蔵した風呂釜 |
JP3599014B2 (ja) * | 2001-10-24 | 2004-12-08 | 松下電器産業株式会社 | 電池の放電制御手段およびこれを用いた電気掃除機 |
-
2007
- 2007-05-17 JP JP2007131341A patent/JP5481018B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106571647A (zh) * | 2015-10-08 | 2017-04-19 | 中兴通讯股份有限公司 | 电池切换的方法、发送电池切换信号的方法及装置 |
CN106571647B (zh) * | 2015-10-08 | 2021-08-31 | 中兴通讯股份有限公司 | 电池切换的方法、发送电池切换信号的方法及装置 |
Also Published As
Publication number | Publication date |
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JP2008286621A (ja) | 2008-11-27 |
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