JP6809911B2 - 差電圧測定装置 - Google Patents
差電圧測定装置 Download PDFInfo
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- JP6809911B2 JP6809911B2 JP2017008369A JP2017008369A JP6809911B2 JP 6809911 B2 JP6809911 B2 JP 6809911B2 JP 2017008369 A JP2017008369 A JP 2017008369A JP 2017008369 A JP2017008369 A JP 2017008369A JP 6809911 B2 JP6809911 B2 JP 6809911B2
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- capacitor
- battery
- voltage
- switch
- cell
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- 239000003990 capacitor Substances 0.000 claims description 163
- 230000003321 amplification Effects 0.000 claims description 41
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 41
- 238000001514 detection method Methods 0.000 description 41
- 238000005259 measurement Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
Description
本発明の実施の形態について、図面を参照して詳細に説明する。第1実施形態は、本発明の差電圧測定装置を電池状態検出装置に適用した例である。
次に、本発明の第2実施形態について説明する。図6は、第2の実施形態における本発明の差電圧測定装置を組み込んだ電池状態検出装置の概略構成を示す図である。同図において、第1実施形態で既に説明した図1と同等の部分については、同一符号を付してその詳細な説明を省略する。
Vm=Av{ΔV+R1n(I1−I2)} …(1)
rn={(Vm/Av)−R1n(I1−I2)}/(I1-I2) …(2)
これにより、より一層、内部抵抗rnの検出精度向上を図ることができる。
51 SW(第1スイッチ)
61 SW(第2スイッチ)
62 SW(第2スイッチ)
210 μCOM(制御部)
240 差動増幅部
C1 第1コンデンサ
C2 第2コンデンサ
Ce1〜Ce4 セル電池(電池)
Ce1〜Cem セル電池(電池)
Claims (4)
- 第1コンデンサと、
第2コンデンサと、
前記第1コンデンサが保持する電圧と前記第2コンデンサが保持する電圧との差電圧に応じた電圧を出力する差動増幅部と、
電池を前記第1コンデンサの両端に接続して、前記第1コンデンサが当該電池の両端電圧を保持した後、前記電池を前記第2コンデンサの両端に接続する制御部と、
前記第1コンデンサ及び前記電池の負極の電気的な接続を遮断する第1スイッチと、を備え、
前記制御部が、前記第1コンデンサが当該電池の両端電圧を保持した後、前記電池を前記第2のコンデンサの両端に接続している間、前記第1スイッチをオフすることを特徴とする差電圧測定装置。 - 前記第1コンデンサは、前記第2コンデンサよりも容量が大きいことを特徴とする請求項1に記載の差電圧測定装置。
- 前記電池と前記差動増幅部とは基準電位が異なり、
前記第1コンデンサ及び前記第2コンデンサの負極と前記差動増幅部の基準電位とを接続する第2スイッチを備え、
前記制御部が、前記第2スイッチをオフした状態で、前記電池を前記第1コンデンサ及び前記第2コンデンサの両端に順次接続し、前記第1コンデンサ及び前記第2コンデンサの両端を前記電池から切り離した後、前記第2スイッチをオンして、前記第1コンデンサ及び前記第2コンデンサの負極電位を前記差動増幅部の基準電位にした状態で、前記第1コンデンサが保持する電圧と前記第2コンデンサが保持する電圧を前記差動増幅部に入力することを特徴とする請求項1又は2に記載の差電圧測定装置。 - 前記電池と前記第1コンデンサ及び前記第2コンデンサの両端を接続するためのスイッチとして、絶縁スイッチを用いることを特徴とする請求項1〜3何れか1項に記載の差電圧測定装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017008369A JP6809911B2 (ja) | 2017-01-20 | 2017-01-20 | 差電圧測定装置 |
US15/824,243 US11133533B2 (en) | 2017-01-20 | 2017-11-28 | Differential voltage measurement device |
DE102018200039.5A DE102018200039B4 (de) | 2017-01-20 | 2018-01-03 | Differenzspannungs-Messvorrichtung |
CN201810060920.0A CN108333522B (zh) | 2017-01-20 | 2018-01-22 | 差分电压测量装置 |
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---|---|---|---|
JP2017008369A JP6809911B2 (ja) | 2017-01-20 | 2017-01-20 | 差電圧測定装置 |
Publications (2)
Publication Number | Publication Date |
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JP2018116012A JP2018116012A (ja) | 2018-07-26 |
JP6809911B2 true JP6809911B2 (ja) | 2021-01-06 |
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JP2017008369A Active JP6809911B2 (ja) | 2017-01-20 | 2017-01-20 | 差電圧測定装置 |
Country Status (4)
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---|---|
US (1) | US11133533B2 (ja) |
JP (1) | JP6809911B2 (ja) |
CN (1) | CN108333522B (ja) |
DE (1) | DE102018200039B4 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109061500B (zh) * | 2018-08-17 | 2023-12-08 | 杭州固恒能源科技有限公司 | 一种电池组充放电前后的电压差测量方法以及测量电路 |
US10921378B2 (en) * | 2019-02-25 | 2021-02-16 | Ford Global Technologies, Llc | System for measuring voltage differences between battery cells and for obtaining battery cell voltages using the voltage differences |
CN113125979A (zh) * | 2019-12-31 | 2021-07-16 | 华为技术有限公司 | 一种蓄电池内阻检测装置及方法 |
JP7086492B2 (ja) * | 2020-02-10 | 2022-06-20 | 矢崎総業株式会社 | 電圧検出装置 |
CN115210300A (zh) | 2020-03-25 | 2022-10-18 | Agc株式会社 | 复合粒子、复合粒子的制造方法、液态组合物、层叠体的制造方法及膜的制造方法 |
JP7086495B2 (ja) | 2020-04-09 | 2022-06-20 | 矢崎総業株式会社 | 電池監視装置 |
US20240012059A1 (en) * | 2022-07-07 | 2024-01-11 | Caterpillar Inc. | Sensor with self supplied negative rail for battery pack measurement |
Family Cites Families (16)
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JP3248145B2 (ja) * | 1994-09-16 | 2002-01-21 | 松下電器産業株式会社 | 自動車用空調装置 |
DE69620382T2 (de) * | 1995-07-21 | 2002-11-07 | Koninkl Philips Electronics Nv | Spannungsreferenzanordnung, voltameter, batteriespannung detektionanordnung und ein drahtloses telekommunikationsgerät |
WO1999045402A1 (fr) * | 1998-03-06 | 1999-09-10 | Matsushita Electric Industrial Co., Ltd. | Instrument de mesure de tension a condensateur volant |
JP3678163B2 (ja) * | 2001-04-13 | 2005-08-03 | 株式会社デンソー | フライングキャパシタ式組電池電圧検出装置 |
JP4756302B2 (ja) * | 2001-04-27 | 2011-08-24 | 株式会社デンソー | フライングキャパシタ式組電池電圧検出装置 |
KR100440451B1 (ko) * | 2002-05-31 | 2004-07-14 | 삼성전자주식회사 | 전압 글리치 검출 회로, 그것을 구비하는 집적회로장치,그리고 전압 글리치 어택으로부터 집적회로장치를보호하는 장치 및 방법 |
JP4969029B2 (ja) * | 2004-08-16 | 2012-07-04 | 株式会社日立製作所 | 電源装置及びその制御方法 |
EP2322945B1 (en) * | 2008-08-11 | 2014-11-26 | LG Chem, Ltd. | Apparatus and method for sensing battery leakage current, and battery driving apparatus and battery pack comprising the apparatus |
JP2012208066A (ja) * | 2011-03-30 | 2012-10-25 | Keihin Corp | 電池電圧検出装置 |
JP5853633B2 (ja) * | 2011-11-24 | 2016-02-09 | 株式会社デンソー | 電池監視装置 |
JP2013118451A (ja) * | 2011-12-01 | 2013-06-13 | Canon Inc | 半導体集積回路、半導体集積回路の制御方法 |
JP6211302B2 (ja) | 2013-05-09 | 2017-10-11 | 矢崎総業株式会社 | 電池状態検出装置 |
US9673655B2 (en) * | 2013-12-31 | 2017-06-06 | Fairchild Semiconductor Corporation | Apparatus and methods of charging to safe cell voltage |
JP5883189B1 (ja) | 2015-07-29 | 2016-03-09 | 大王製紙株式会社 | 水解性シート |
JP6554453B2 (ja) * | 2015-12-24 | 2019-07-31 | 矢崎総業株式会社 | 差電圧測定装置 |
US10666066B2 (en) | 2015-12-24 | 2020-05-26 | Yazaki Corporation | Differential voltage measurement device |
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2017
- 2017-01-20 JP JP2017008369A patent/JP6809911B2/ja active Active
- 2017-11-28 US US15/824,243 patent/US11133533B2/en active Active
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2018
- 2018-01-03 DE DE102018200039.5A patent/DE102018200039B4/de active Active
- 2018-01-22 CN CN201810060920.0A patent/CN108333522B/zh active Active
Also Published As
Publication number | Publication date |
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US11133533B2 (en) | 2021-09-28 |
US20180212279A1 (en) | 2018-07-26 |
JP2018116012A (ja) | 2018-07-26 |
CN108333522B (zh) | 2021-06-18 |
DE102018200039B4 (de) | 2019-03-21 |
CN108333522A (zh) | 2018-07-27 |
DE102018200039A1 (de) | 2018-07-26 |
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