JP2005148056A - 定抵抗負荷を用いるバッテリテスタを模擬するための装置及び方法 - Google Patents
定抵抗負荷を用いるバッテリテスタを模擬するための装置及び方法 Download PDFInfo
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- JP2005148056A JP2005148056A JP2004294852A JP2004294852A JP2005148056A JP 2005148056 A JP2005148056 A JP 2005148056A JP 2004294852 A JP2004294852 A JP 2004294852A JP 2004294852 A JP2004294852 A JP 2004294852A JP 2005148056 A JP2005148056 A JP 2005148056A
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- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/386—Arrangements for measuring battery or accumulator variables using test-loads
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- 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]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
- G01R31/379—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator for lead-acid batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
【解決手段】本発明は、大きな電流負荷を誘発することなく該装置を模擬し、馴染みのある結果を出し、既存のデータベースを利用し、より決定的なテストを提供する。方法は、バッテリの開放電圧(OCV)、温度及び動的パラメータの測定を含む。まず、該バッテリの負荷電圧を、測定されたバッテリの動的パラメータ、OCV、負荷テスタの負荷抵抗値、及びバッテリ温度の関数として推定し、その後、該バッテリのバウンスバック電圧(BBV)を予測する。該BBV、負荷電圧及びバッテリ温度を用いて、該バッテリの強度を評価する。
【選択図】 図3
Description
Conductance=G=ΔI/ΔV (式1)
日本の負荷テスタでは、使用者はケーブルクランプをバッテリに接続した後、バッテリの寸法及び温度を入力する必要がある。そして、使用者がスタートボタンを押すと、テスタは5〜6秒間、バッテリに負荷を与え、その後、負荷電圧(LV)を記録する。そして、テスタは2.5秒後にバウンスバック電圧または回復電圧を見て、該バッテリに関する判断を行う。
このタイプのテスタに関する寸法区分(0〜9)と温度(℃)との基本的な関係は、次の関係を有する。
Vg=8.8+0.1×GroupSize+0.02×TempC (式2)
ここで、GroupSize=バッテリの寸法区分(上記表1)、TempC=バッテリの摂氏温度(上記表2)である。
Vr=Vg−0.3 (式3)
ただし、バッテリは放電または他の問題を伴う場合があるため、測定された回復電圧またはバウンスバック電圧(BBV)を評価し、寸法区分の基準及び温度と組み合わせて次のような結果を出す(下記表3を参照)。
上記のように、本発明のバッテリテスタは、バッテリのOCV、コンダクタンス、及び温度(測定または使用者が入力)の測定値を用いて負荷電圧(LV)を予測することによって機能する。
LV=Vact−I×R (式4)
ここで、Vact=活性化電圧、I=負荷電流、R=バッテリ抵抗である。
Vact=K1×OCV2+K2×OCV+K3×TempC−K4 (式5)
ここで、K1、K2、K3及びK4は定数であり、その値は模擬されるバッテリテスタの種類に基づいて選択される。
R=K5/G+K6 (式6)
ここで、K5及びK6は定数である。ただし、日本のテスタは定負荷抵抗を用いるため、電流はバッテリの抵抗によって変動する。従って、負荷電流は最初に推定する必要がある。
I=Vact/(R+R1) (式7)
ここで、R1は負荷テスタの抵抗をオームで推定したものである。
BBV=K7×OCV+K8×OCV−K9+K10×(TempC−K11)
(式8)
ここで、K7、K8、K9、K10及びK11は定数である。
Claims (18)
- 日本工業規格(JIS)を用いて評価される蓄電池をテストする方法であって、
(a)バッテリの動的パラメータを測定するステップと、
(b)前記バッテリの開放電圧を得るステップと、
(c)前記バッテリの温度を得るステップと、
(d)所定の負荷抵抗値を設定するステップと、
(e)前記測定されたバッテリの動的パラメータ、バッテリの開放電圧、負荷抵抗値及びバッテリ温度の関数として、前記バッテリの負荷電圧を推定するステップと、
(f)前記バッテリのバウンスバック(bounceback)電圧を予測するステップと、
(g)前記バウンスバック電圧、負荷電圧及びバッテリ温度を用いてJIS寸法区分番号の分類に従って前記バッテリの強度を評価するステップとを含む方法。 - 蓄電池をテストする方法であって、
(a)バッテリの動的パラメータを測定するステップと、
(b)前記バッテリの開放電圧を得るステップと、
(c)前記バッテリの温度を得るステップと、
(d)所定の負荷抵抗値を設定するステップと、
(e)前記測定されたバッテリの動的パラメータ、バッテリの開放電圧、負荷抵抗値及びバッテリ温度の関数として、前記バッテリの負荷電圧を推定するステップと、
(f)前記バッテリのバウンスバック電圧を予測するステップと、
(g)前記バウンスバック電圧、負荷電圧及びバッテリ温度を用いて前記バッテリの強度を評価するステップとを含む方法。 - 請求項1または2に記載の方法であって、前記所定の負荷抵抗値を設定するステップ(d)が、模擬する負荷テスタにとって適当な負荷抵抗値を設定するステップを含む方法。
- 請求項1まはた2に記載の方法であって、前記バッテリ温度を得るステップ(c)が、使用者から提供される入力として前記バッテリ温度を得るステップを含む方法。
- 請求項1または2に記載の方法であって、前記バッテリ温度を得るステップ(c)が、温度センサからの入力として前記バッテリ温度を得るステップを含む方法。
- 請求項1または2に記載の方法であって、前記動的パラメータを測定するステップ(a)が、印加される電流パルスに対するバッテリの応答を測定するステップを含む方法。
- 請求項1または2に記載の方法であって、前記測定されるバッテリの動的パラメータ値がバッテリのコンダクタンスである方法。
- 請求項1または2に記載の方法であって、前記測定されるバッテリの動的パラメータ値がバッテリの抵抗値である方法。
- 電子バッテリテスタであって、
バッテリの正端子に結合される正コネクタと、
前記バッテリの負端子に結合される負コネクタと、
前記バッテリの開放電圧を測定するよう構成される電圧センサと
前記バッテリの温度を得るよう構成される入力と、
バッテリテスト回路であって、
(a)第1及び第2のコネクタを用いて前記バッテリの動的パラメータを測定し、
(b)前記測定されたバッテリの動的パラメータ、バッテリの開放電圧、負荷抵抗値及びバッテリ温度の関数として、前記バッテリの負荷電圧を推定し、
(c)前記バッテリのバウンスバック電圧を予測し、
(d)前記バウンスバック電圧、負荷電圧及びバッテリ温度を用いてJIS寸法区分番号の分類に従って前記バッテリの強度を評価するよう構成されるバッテリテスト回路とを備える、電子バッテリテスタ。 - 電子バッテリテスタであって、
バッテリの正端子に結合される正コネクタと、
前記バッテリの負端子に結合される負コネクタと、
前記バッテリの開放電圧を測定するよう構成される電圧センサと
前記バッテリの温度を得るよう構成される入力と、
バッテリテスト回路であって、
(a)第1及び第2のコネクタを用いて前記バッテリの動的パラメータを測定し、
(b)前記測定されたバッテリの動的パラメータ、バッテリの開放電圧、負荷抵抗値及び前記バッテリ温度の関数として、前記バッテリの負荷電圧を推定し、
(c)前記バッテリのバウンスバック電圧を予測し、
(d)前記バウンスバック電圧、負荷電圧及びバッテリ温度を用いて前記バッテリの強度を評価するよう構成されるバッテリテスト回路とを備える、電子バッテリテスタ。 - 請求項9または10に記載の装置であって、前記入力が使用者から前記バッテリ温度を得るよう構成される装置。
- 請求項9または10に記載の装置であって、前記入力が温度センサから前記バッテリ温度を得るよう構成される装置。
- 請求項9または10に記載の装置であって、前記バッテリテスト回路が、印加される電流パルスに対する前記バッテリの応答を測定することによって前記ステップ(a)の動的パラメータを測定するように構成される装置。
- 請求項9または10に記載の装置であって、前記測定されるバッテリの動的パラメータがバッテリのコンダクタンスである装置。
- 請求項9または10に記載の装置であって、前記測定されるバッテリの動的パラメータがバッテリの抵抗値である装置。
- 請求項9または10に記載の装置であって、前記正コネクタが第1のケルビンコネクタであり、前記負コネクタが第2のケルビンコネクタである装置。
- 蓄電池をテストする方法であって、
(a)バッテリから流れる負荷電流の値を測定するステップと、
(b)前記負荷電流の下で前記バッテリが達する電圧値を測定するステップと、
ステップ(a)及び(b)で判断された値を用いて前記バッテリの強度を評価するステップとを含む方法。 - 蓄電池をテストする方法であって、
(a)バッテリの開放電圧を得るステップと、
(b)前記バッテリの温度を得るステップと、
(c)前記開放電圧及びバッテリ温度の関数として前記バッテリのバウンスバック電圧を予測するステップとを含む方法。
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US10/705,020 US7116109B2 (en) | 2003-11-11 | 2003-11-11 | Apparatus and method for simulating a battery tester with a fixed resistance load |
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JP2005148056A true JP2005148056A (ja) | 2005-06-09 |
JP2005148056A5 JP2005148056A5 (ja) | 2007-11-22 |
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Also Published As
Publication number | Publication date |
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US20050099185A1 (en) | 2005-05-12 |
US7116109B2 (en) | 2006-10-03 |
GB2408108A (en) | 2005-05-18 |
GB0422992D0 (en) | 2004-11-17 |
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