JP2012517094A - バッテリ充電状態センサ - Google Patents
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
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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
- H01M10/44—Methods for charging or discharging
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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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
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- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
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- H01M6/00—Primary cells; Manufacture thereof
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- H01M6/5044—Cells or batteries structurally combined with cell condition indicating means
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Abstract
Description
本願は、2009年2月5日出願の米国仮出願第61/150091号に関係し、またその優先権を主張し、その内容は参照として本願に組み込まれる。
μ=(1+χ)μ0
ここで、
μ=透磁率
μ0=自由空間の透磁率
χ=磁化率
μ/μ0=1+χ
fc=α1×(L1+L2)
ΔL→Δf
出力=α2×fc
104 バッテリ充電状態センサ
106 ブラケット
108 筐体
110 導電体
112 プリント回路板
114 ロック機構
116 フラックスコイル
118 フラックスディレクタ
120 誘導駆動コイル
Claims (21)
- バッテリセルの充電状態をモニタリングするための装置であって、
バッテリセルに近接して取り付けられるように構成されたバッテリ充電状態センサを備え、
前記バッテリ充電状態センサが、
磁場を出力するための誘導駆動コイルと、
少なくとも一つのフラックスコイルのインダクタンスの変化を測定することによって前記磁場の変化を感知するための少なくとも一つのフラックスコイルとを備え、前記変化が前記バッテリセルの充電電位の状態を示す、装置。 - バッテリセル電極と、前記バッテリセル電極に接触した電解質とを備えたバッテリセルを更に備えた請求項1に記載の装置。
- 前記バッテリセルがバッテリの一部分である、請求項2に記載の装置。
- 前記バッテリセルがLFPバッテリセルである、請求項2に記載の装置。
- 前記バッテリセルが自動車両のバッテリにおいて使用されるように構成されている、請求項2に記載の装置。
- 前記バッテリ充電状態センサを前記バッテリセルに取り付けるためのブラケットを更に備えた請求項1に記載の装置。
- 前記ブラケットに着脱可能に接続された筐体を更に備え、前記筐体が少なくとも前記誘導駆動コイル及び前記少なくとも一つのフラックスコイルを収容する、請求項6に記載の装置。
- 前記バッテリセルの磁化率を示す信号を受信するための感知回路を更に備えた請求項1に記載の装置。
- 前記少なくとも一つのフラックスコイルがアモルファスコアを備える、請求項1に記載の装置。
- 前記アモルファスコアが、アモルファス金属ワイヤ又はストリップで形成されている、請求項9に記載の装置。
- 前記少なくとも一つのフラックスコイルが、磁歪センサ、巨大磁歪センサ、ホール効果セルセンサのうちいずれか一つである、請求項1に記載の装置。
- 自動車両用のLFPバッテリであって、
複数の相互接続されたバッテリセルであって、該複数の相互接続されたバッテリセルのうち少なくとも一つのバッテリセルが、該少なくとも一つのバッテリセルに取り付けられたバッテリ充電状態センサを含む、複数の相互接続されたバッテリセルと、
前記少なくとも一つのバッテリセルの充電状態を示す信号を受信するために前記バッテリ充電状態センサに電気的に接続された回路と、
前記信号を電気的に記憶するためのメモリデバイスとを備えたバッテリ。 - 前記バッテリ充電状態センサが、
磁場を出力するための誘導駆動コイルと、
少なくとも一つのフラックスコイルのインダクタンスの変化を測定することによって前記磁場の変化を感知するための少なくとも一つのフラックスコイルとを備え、前記変化が前記バッテリセルの充電電位の状態を示す、請求項12に記載のバッテリ。 - 前記少なくとも一つのフラックスコイルがアモルファスコアを備える、請求項13に記載のバッテリ。
- 前記アモルファスコアが、アモルファス金属ワイヤ又はストリップで形成されている、請求項14に記載のバッテリ。
- 前記信号又は前記信号の変化についてのオーディオ情報、ビジュアル情報、又はオーディオ及びビジュアル情報を出力するためのデバイスを更に備えた請求項12に記載のバッテリ。
- 前記バッテリセルの各々の充電状態に基づいて、前記バッテリ内の個々のバッテリセルの接続を最適化するための回路を更に備えた請求項12に記載のバッテリ。
- バッテリセルの充電状態をモニタリングするための方法であって、
バッテリセルに近接して取り付けられるように構成されたバッテリ充電状態センサであって、磁場を出力するための誘導駆動コイルと、少なくとも一つのフラックスコイルのインダクタンスの変化を測定することによって前記磁場の変化を感知するための少なくとも一つのフラックスコイルとを備えたバッテリ充電状態センサを提供するステップと、
前記誘導駆動コイルから磁場を出力するステップと、
前記磁場の変化を感知するステップと、
前記バッテリセルの充電電位の状態を示す信号を出力するステップとを備えた方法。 - 電荷を貯蔵するように構成された少なくとも一つのバッテリセルであって、バッテリセル電極と該バッテリセル電極に接触した電解質とを備えたバッテリセルを提供するステップを更に備えた請求項18に記載の方法。
- 自動車両に使用するためのバッテリであって、バッテリ充電状態センサを各々が有する複数のバッテリセルを備えたバッテリを提供するステップを更に備えた請求項19に記載の方法。
- 対象の充電状態をモニタリングするための装置であって、
前記対象に近接して取り付けられるように構成された充電状態センサを備え、
前記充電状態センサが、
磁場を出力するための誘導駆動コイルと、
少なくとも一つのフラックスコイルのインダクタンスの変化を測定することによって前記磁場の変化を感知するための少なくとも一つのフラックスコイルとを備え、前記変化が、前記対象の充電電位の状態を示す、装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15009109P | 2009-02-05 | 2009-02-05 | |
US61/150,091 | 2009-02-05 | ||
PCT/US2010/023181 WO2010091170A1 (en) | 2009-02-05 | 2010-02-04 | Battery state of charge sensor |
Publications (2)
Publication Number | Publication Date |
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JP2012517094A true JP2012517094A (ja) | 2012-07-26 |
JP5560290B2 JP5560290B2 (ja) | 2014-07-23 |
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JP2011549256A Expired - Fee Related JP5560290B2 (ja) | 2009-02-05 | 2010-02-04 | 充電状態をモニタリングするための装置及び方法、バッテリ充電状態センサを含むlfpバッテリ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9086460B2 (ja) |
EP (1) | EP2394317B1 (ja) |
JP (1) | JP5560290B2 (ja) |
KR (1) | KR101597627B1 (ja) |
WO (1) | WO2010091170A1 (ja) |
Cited By (1)
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WO2009146547A1 (en) * | 2008-06-05 | 2009-12-10 | Cadex Electronics Inc. | Methods and apparatus for battery testing |
DE102009028167A1 (de) * | 2009-07-31 | 2011-02-10 | Robert Bosch Gmbh | Batteriesensor mit Fluxgate |
US9176194B2 (en) | 2010-10-08 | 2015-11-03 | GM Global Technology Operations LLC | Temperature compensation for magnetic determination method for the state of charge of a battery |
DE102010060403A1 (de) | 2010-11-08 | 2012-05-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren und Vorrichtung zur Bestimmung eines Ladezustands eines elektrischen Energiespeichers |
JP5757111B2 (ja) * | 2010-11-19 | 2015-07-29 | ソニー株式会社 | 二次電池セル、電池パック及び電力消費機器 |
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US9664745B1 (en) | 2013-06-07 | 2017-05-30 | Material Handling Services, LLC | Computer implemented system and method and computer program product for using battery information to automatically charge a battery |
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Also Published As
Publication number | Publication date |
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EP2394317B1 (en) | 2019-06-26 |
KR20110123758A (ko) | 2011-11-15 |
US9086460B2 (en) | 2015-07-21 |
JP5560290B2 (ja) | 2014-07-23 |
US20130154652A1 (en) | 2013-06-20 |
KR101597627B1 (ko) | 2016-02-25 |
EP2394317A4 (en) | 2014-04-16 |
EP2394317A1 (en) | 2011-12-14 |
WO2010091170A1 (en) | 2010-08-12 |
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