JP2014022282A5 - Secondary battery abnormality detection device, secondary battery - Google Patents
Secondary battery abnormality detection device, secondary battery Download PDFInfo
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- JP2014022282A5 JP2014022282A5 JP2012161937A JP2012161937A JP2014022282A5 JP 2014022282 A5 JP2014022282 A5 JP 2014022282A5 JP 2012161937 A JP2012161937 A JP 2012161937A JP 2012161937 A JP2012161937 A JP 2012161937A JP 2014022282 A5 JP2014022282 A5 JP 2014022282A5
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- secondary battery
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- 238000001514 detection method Methods 0.000 title claims 8
- 238000007599 discharging Methods 0.000 claims 1
Claims (9)
上記複数の温度センサーにより測定された温度に基づき、上記二次電池の異常を判定する異常判定部とを備えており、
上記複数の温度センサーは、上記電池セルの負極に取り付けられた第１温度センサーと、上記電池セルの正極に取り付けられた第２温度センサーとを備えていることを特徴とする二次電池異常検出装置。 A plurality of temperature sensors attached to the secondary battery cells;
An abnormality determination unit for determining abnormality of the secondary battery based on the temperature measured by the plurality of temperature sensors,
The plurality of temperature sensors include a first temperature sensor attached to the negative electrode of the battery cell and a second temperature sensor attached to the positive electrode of the battery cell, wherein the secondary battery abnormality is detected. apparatus.
上記第１温度センサーにより測定された温度と、上記第２温度センサーにより測定された温度との差の絶対値が予め定められた値を超えているときに、上記電池セルの外部短絡が発生していることを判定することを特徴とする請求項１に記載の二次電池異常検出装置。 The abnormality determination unit
When the absolute value of the difference between the temperature measured by the first temperature sensor and the temperature measured by the second temperature sensor exceeds a predetermined value, an external short circuit of the battery cell occurs. 2. The secondary battery abnormality detection device according to claim 1, wherein the abnormality is determined.
上記第３温度センサーの一方により測定された温度と、上記第３温度センサーの他方により測定された温度との差の絶対値が予め定められた値を超えているときに、上記電池セルにおける該第３温度センサーのいずれかの近傍が局所的に高温であることを判定することを特徴とする請求項３に記載の二次電池異常検出装置。 The abnormality determination unit
When the absolute value of the difference between the temperature measured by one of the third temperature sensors and the temperature measured by the other of the third temperature sensors exceeds a predetermined value, the battery cell The secondary battery abnormality detection device according to claim 3 , wherein it is determined that the vicinity of any one of the third temperature sensors is locally hot.
上記異常判定部は、
上記複数の温度センサーにより測定された複数の上記電池セルのいずれかにおける温度の平均値とすべての上記電池セルにおける平均値との差が予め定められた値を超えているときに、上記電池セルのいずれかの過充電が発生していることを判定することを特徴とする請求項１〜４のいずれか１項に記載の二次電池異常検出装置。 The secondary battery includes a plurality of the battery cells, and the plurality of temperature sensors are attached to each of the plurality of battery cells,
The abnormality determination unit
Exceed the value difference is a predetermined and average values that put the average value of the put that temperature to any and all of the battery cell Le plurality of the battery cells measured by the plurality of temperature sensors when you are, rechargeable battery abnormality detection apparatus according to any one of claims 1 to 4, characterized in that to determine that any of overcharging of the battery cells has occurred.
上記異常判定部は、
上記電池セルにおける上記複数の温度センサーにより測定された温度の平均値と、上記二次電池の外部の気温との差が予め定められた値を超えているときに、該電池セルが高温であることを判定することを特徴とする請求項１〜５のいずれか１項に記載の二次電池異常検出装置。 At least one of the plurality of temperature sensors measures the temperature outside the secondary battery,
The abnormality determination unit
When the difference between the average value of the temperature measured by the plurality of temperature sensors in the battery cell and the temperature outside the secondary battery exceeds a predetermined value, the battery cell is hot. The secondary battery abnormality detection device according to claim 1, wherein the abnormality is determined.
上記二次電池の外部の気温が予め定められた値を超えているときに、該二次電池が使用に適切でない環境下に存在していることを判定することを特徴とする請求項６に記載の二次電池異常検出装置。 The abnormality determination unit
7. The method according to claim 6 , wherein when the temperature outside the secondary battery exceeds a predetermined value, it is determined that the secondary battery exists in an environment not suitable for use. The secondary battery abnormality detection apparatus of description.
上記電池セルとを備えていることを特徴とする二次電池。 The secondary battery abnormality detection device according to any one of claims 1 to 8 ,
A secondary battery comprising the battery cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012161937A JP2014022282A (en) | 2012-07-20 | 2012-07-20 | Secondary battery abnormality detector, secondary battery, and method for detecting secondary battery abnormality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012161937A JP2014022282A (en) | 2012-07-20 | 2012-07-20 | Secondary battery abnormality detector, secondary battery, and method for detecting secondary battery abnormality |
Publications (2)
| Publication Number | Publication Date |
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| JP2014022282A JP2014022282A (en) | 2014-02-03 |
| JP2014022282A5 true JP2014022282A5 (en) | 2015-07-16 |
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| JP2012161937A Pending JP2014022282A (en) | 2012-07-20 | 2012-07-20 | Secondary battery abnormality detector, secondary battery, and method for detecting secondary battery abnormality |
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| DE112015003070T5 (en) * | 2014-06-30 | 2017-03-30 | Celgard Llc | SYSTEM AND METHOD FOR DIFFERENTIATING SHORT CIRCUITS IN A BATTERY |
| JP6471463B2 (en) * | 2014-11-06 | 2019-02-20 | 日立化成株式会社 | Storage battery state monitoring system, storage battery state monitoring method, and storage battery state monitoring program |
| CN104362595B (en) * | 2014-11-10 | 2017-11-24 | 深圳市卓能新能源股份有限公司 | Battery pack overheat protector power supply circuit |
| CN105472165B (en) * | 2015-12-31 | 2019-08-16 | 宇龙计算机通信科技(深圳)有限公司 | The control method and control device of mobile terminal |
| WO2017154170A1 (en) * | 2016-03-10 | 2017-09-14 | 株式会社東芝 | Storage cell device and method |
| CN106526493B (en) * | 2016-11-01 | 2018-11-23 | 北京理工大学 | Power battery external short circuit fault diagnosis and temperature prediction method and system |
| KR102185741B1 (en) | 2017-04-27 | 2020-12-02 | 주식회사 엘지화학 | Analyzing method for thermal behavior of seperate electrode |
| JP6938687B2 (en) * | 2017-08-25 | 2021-09-22 | オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． | Terminal device and its battery safety monitoring method |
| CN108474822B (en) | 2017-08-25 | 2021-07-23 | Oppo广东移动通信有限公司 | Terminal equipment and battery safety monitoring method and monitoring system thereof |
| JP7064692B2 (en) * | 2017-09-26 | 2022-05-11 | 株式会社Ｇｓユアサ | A method for determining the state of a power storage device, a management device, and a power storage device. |
| CN108336437B (en) * | 2017-12-21 | 2020-05-05 | 维沃移动通信有限公司 | Battery detection device and method and mobile terminal |
| JP7018192B2 (en) * | 2018-02-08 | 2022-02-10 | アクソンデータマシン株式会社 | Anomaly detection device for non-aqueous electrolyte secondary batteries |
| WO2022139014A1 (en) * | 2020-12-22 | 2022-06-30 | 주식회사 더센 | Battery safety system for battery pack or module comprising one or more secondary battery cells |
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