JP2015533214A - バッテリーパックのフリーチャージ抵抗算出装置および方法 - Google Patents
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
[数1]
Rp=(V_1−V_2)/A
ここで、Rpはフリーチャージ抵抗、V_1は前記無負荷電圧、V_2は前記負荷電圧、Aは前記所定の電流値である。
[数2]
Rp=(V_1−V_2)/1A
ここで、Rpはフリーチャージ抵抗、V_1は前記バッテリーパックの無負荷電圧、V_2は負荷抵抗に印加された負荷電圧、Aは前記所定の電流値である。
[数3]
Rp=(V_1−V_2)/A
ここで、Rpはフリーチャージ抵抗12、V_1は無負荷電圧、V_2は負荷電圧、およびAは所定の電流値である。
Claims (20)
- バッテリーパックのフリーチャージ抵抗に直列に連結する負荷抵抗、
前記バッテリーパックに前記負荷抵抗が設置されない無負荷状態の無負荷電圧または前記負荷抵抗が設置された負荷状態で負荷抵抗に所定の電流値をもつ電流が流れるとき、前記負荷抵抗に印加される負荷電圧を測定する電圧測定部、および
前記バッテリーパックの前記無負荷電圧、前記負荷電圧、および前記所定の電流値を利用して前記バッテリーパックのフリーチャージ抵抗の抵抗値を算出するフリーチャージ抵抗算出部を含むことを特徴とする、バッテリーパックのフリーチャージ抵抗算出装置。 - 前記無負荷電圧は、前記バッテリーパックの開放回路電圧(Open Circuit Voltage;OCV)であることを特徴とする、請求項1に記載のバッテリーパックのフリーチャージ抵抗算出装置。
- 前記負荷抵抗は、
前記負荷抵抗に流れる電流の電流値を調整するために、抵抗値を制御することができる可変抵抗であることを特徴とする、請求項1に記載のバッテリーパックのフリーチャージ抵抗算出装置。 - 前記算出部は、
前記負荷状態で前記負荷抵抗の抵抗値を0オームから漸進的に増加させ、前記負荷抵抗に流れる前記電流が所定の電流値をもつように制御することを特徴とする、請求項1に記載のバッテリーパックのフリーチャージ抵抗算出装置。 - 前記所定の電流値は1Aであることを特徴とする、請求項4に記載のバッテリーパックのフリーチャージ抵抗算出装置。
- 前記バッテリーパックおよび前記負荷抵抗の間または前記負荷抵抗および前記フリーチャージ抵抗の間に位置して電流を測定する電流測定部をさらに含むことを特徴とする、請求項1に記載のバッテリーパックのフリーチャージ抵抗算出装置。
- 前記電流測定部は電流センサであることを特徴とする、請求項6に記載のバッテリーパックのフリーチャージ抵抗算出装置。
- 前記バッテリーパックと直列に連結し、前記フリーチャージ抵抗が備えられた線路の開閉動作を実行するスイッチを制御するスイッチ制御部をさらに含むことを特徴とする、請求項1に記載のバッテリーパックのフリーチャージ抵抗算出装置。
- 前記スイッチ制御部は、前記無負荷状態または前記負荷状態であるとき、前記無負荷電圧または前記負荷電圧を測定するように前記スイッチを閉鎖する動作を実行することを特徴とする、請求項8に記載のバッテリーパックのフリーチャージ抵抗算出装置。
- 前記スイッチはフリーチャージリレースイッチであることを特徴とする、請求項8に記載のバッテリーパックのフリーチャージ抵抗算出装置。
- 前記算出部は、
下記の数式に基づいて、前記フリーチャージ抵抗の抵抗値を算出することを特徴とする、請求項1に記載のバッテリーパックのフリーチャージ抵抗算出装置:
[数1]
Rp=(V_1−V_2)/A
ここで、Rpはフリーチャージ抵抗、V_1は前記無負荷電圧、V_2は前記負荷電圧、Aは前記所定の電流値。 - バッテリーパックに負荷抵抗が設置されない無負荷状態の無負荷電圧または負荷抵抗が設置された負荷状態で負荷抵抗に所定の電流値をもつ電流が流れるとき、前記負荷抵抗に印加される負荷電圧を測定するステップ、および
前記バッテリーパックの前記無負荷電圧、前記負荷電圧、および前記所定の電流値を利用して前記バッテリーパックのフリーチャージ抵抗の抵抗値を算出するステップを含むことを特徴とするバッテリーパックのフリーチャージ抵抗算出方法。 - 前記無負荷電圧は、前記バッテリーパックの開放回路電圧(Open Circuit Voltage;OCV)であることを特徴とする、請求項12に記載のバッテリーパックのフリーチャージ抵抗算出方法。
- 前記負荷抵抗に流れる電流の電流値を調整するために、抵抗値を制御するステップをさらに含むことを特徴とする、請求項12に記載のバッテリーパックのフリーチャージ抵抗算出方法。
- 前記算出するステップは、
前記負荷状態で前記負荷抵抗の抵抗値を0オームから漸進的に増加させ、前記負荷抵抗に流れる前記電流が所定の電流値をもつように制御することを特徴とする、請求項14に記載のバッテリーパックのフリーチャージ抵抗算出方法。 - 前記所定の電流値は1Aであることを特徴とする、請求項15に記載のバッテリーパックのフリーチャージ抵抗算出方法。
- 前記バッテリーパックおよび前記負荷抵抗の間または前記負荷抵抗および前記フリーチャージ抵抗の間に位置して電流を測定するステップをさらに含むことを特徴とする、請求項12に記載のバッテリーパックのフリーチャージ抵抗算出方法。
- 前記バッテリーパックと直列に連結し、前記フリーチャージ抵抗が備えられた線路の開閉動作を実行するスイッチを制御するステップをさらに含むことを特徴とする、請求項12に記載のバッテリーパックのフリーチャージ抵抗算出方法。
- 前記スイッチを制御するステップは、前記バッテリーパックの前記無負荷状態または前記負荷状態であるとき、前記無負荷電圧または前記負荷電圧を測定するように前記スイッチを閉鎖する動作を実行することを特徴とする、請求項18に記載のバッテリーパックのフリーチャージ抵抗算出方法。
- 前記算出するステップは、
下記の数式に基づいて、フリーチャージ抵抗を算出することを特徴とする、請求項12に記載のバッテリーパックのフリーチャージ抵抗算出方法:
[数2]
Rp=(V_1−V_2)/1A
ここで、Rpはフリーチャージ抵抗、V_1は前記無負荷電圧、V_2は前記負荷電圧、Aは前記所定の電流値。
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KR1020130106766A KR20150028095A (ko) | 2013-09-05 | 2013-09-05 | 배터리 팩의 프리차지 저항 산출 장치 및 방법 |
KR10-2013-0106766 | 2013-09-05 | ||
PCT/KR2014/000990 WO2015034144A1 (ko) | 2013-09-05 | 2014-02-05 | 배터리 팩의 프리차지 저항 산출 장치 및 방법 |
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US10749362B2 (en) * | 2015-08-28 | 2020-08-18 | Panasonic Intellectual Property Management Co., Ltd. | Method for server apparatus to detect abnormality in electrical-power storage device |
KR102051177B1 (ko) | 2016-10-19 | 2019-12-17 | 주식회사 엘지화학 | 전압 분배를 이용한 스위치 진단 장치 및 방법 |
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WO2011151856A1 (ja) * | 2010-05-31 | 2011-12-08 | 株式会社アドバンテスト | 測定装置および測定方法 |
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JP6296621B2 (ja) | 2018-03-20 |
US20150346283A1 (en) | 2015-12-03 |
EP2869074A1 (en) | 2015-05-06 |
EP2869074A4 (en) | 2015-09-16 |
PL2869074T3 (pl) | 2021-04-06 |
KR20150028095A (ko) | 2015-03-13 |
US9625531B2 (en) | 2017-04-18 |
WO2015034144A1 (ko) | 2015-03-12 |
EP2869074B1 (en) | 2020-06-24 |
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