JP2006094608A - Charge control method of battery pack - Google Patents
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- JP2006094608A JP2006094608A JP2004275305A JP2004275305A JP2006094608A JP 2006094608 A JP2006094608 A JP 2006094608A JP 2004275305 A JP2004275305 A JP 2004275305A JP 2004275305 A JP2004275305 A JP 2004275305A JP 2006094608 A JP2006094608 A JP 2006094608A
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本発明は携帯電話、携帯情報機器、デジタルカメラのような情報機器に適した電池パックの充電制御方法、特に指定外の電池パックの充電制御方法に関する。 The present invention relates to a battery pack charge control method suitable for an information device such as a mobile phone, a portable information device, and a digital camera, and more particularly to a charge control method for an unspecified battery pack.
従来この種の電池パックは、電力を供給すべき情報機器毎に個別仕様で、その情報機器専用の電池パックとして設計されているのが通常で、電池パックを情報機器に着脱自在な構成となっている。電池パックが劣化した場合や長時間使用した場合には予備の電池パックに交換することにより、情報機器を継続的に利用することができる。 Conventionally, this type of battery pack has been individually designed for each information device to which power is to be supplied, and is usually designed as a battery pack dedicated to that information device, so that the battery pack can be attached to and detached from the information device. ing. When the battery pack is deteriorated or used for a long time, the information device can be used continuously by replacing it with a spare battery pack.
ところが、この電池パックを許可なく廉価な価格で販売する業者が後を絶たない。このような業者によって販売される電池パックは、コストの低減を追及するあまり、その品質に問題が多い。このような電池パックを充電すると、その電池パックに最適な充電制御でない為、電池パックが早く劣化したり、発熱、漏液や熱変形に至る場合があり、情報機器が使用できなくなることがある。 However, there are many companies that sell this battery pack at an inexpensive price without permission. The battery pack sold by such a company has many problems in quality because it pursues cost reduction. When such a battery pack is charged, the battery pack may be deteriorated quickly or may be heated, leaked, or thermally deformed because the charge control is not optimal for the battery pack, and the information device may become unusable. .
そこで、許可無く販売された電池パックを識別すべく識別情報（ＩＤ符号）が用いられてきた（例えば、特許文献１参照）。情報機器及び電池パックにそれぞれＩＤ符号を記憶させ、接続時に電池パックから出力されるＩＤ符号を情報機器に記憶したＩＤ符号と比較することで電池パックを識別し、ＩＤ符号を持たない電池パックの充電を防止していたが、このようなＩＤ符号は、比較的容易に取得でき、機密性の面で不満足なものであった為、演算処理を行いその機密性を高める提案がある（例えば、特許文献２参照）。 Therefore, identification information (ID code) has been used to identify battery packs sold without permission (see, for example, Patent Document 1). The ID code is stored in each of the information device and the battery pack, and the battery pack is identified by comparing the ID code output from the battery pack with the ID code stored in the information device at the time of connection. Although charging was prevented, such an ID code was relatively easy to obtain and was unsatisfactory in terms of confidentiality, so there is a proposal to increase the confidentiality by performing arithmetic processing (for example, Patent Document 2).
しかしながら、ユーザーが正規の電池パックであると認識して購入した場合、いきなり使用できないようにするのは課題が残る。
本発明は、このような実情に鑑みなされたもので、電池パックが指定のものでない場合の充電制御方法を提供することを目的とする。 This invention is made | formed in view of such a situation, and it aims at providing the charge control method in case a battery pack is not a designated thing.
本発明は、電池パック内に電池を収納し、情報機器本体に着脱自在な電池パックの充電制御方法であって、前記情報機器内には、各種情報を記憶し書き換えできる記憶情報部を有し、電池パック内の電池の識別情報に基づく電池パックの充放電を制御する充放電制御機能を有し、前記情報機器が電池パックの識別情報を識別できない場合は、外部機器と交信し、記憶されているすべての情報と比較参照して、電池パックを識別し、その電池パックの最適充電制御方法を入手し、充電制御を行うことを特徴とする。 The present invention relates to a charging control method for a battery pack in which a battery is housed in a battery pack and is detachable from an information device main body, and the information device has a storage information section capable of storing and rewriting various information. The battery pack has a charge / discharge control function for controlling the charge / discharge of the battery pack based on the identification information of the battery in the battery pack, and when the information device cannot identify the identification information of the battery pack, it communicates with an external device and is stored. In comparison with all the information, the battery pack is identified, the optimum charge control method for the battery pack is obtained, and the charge control is performed.
本発明は、また、電池パック内に電池を収納し、情報機器本体に着脱自在な電池パックの充電制御方法であって、前記情報機器内には、各種情報を記憶し書き換えできる記憶情報部を有し、電池パック内の電池の識別情報に基づく電池パックの充放電を制御する充放電制御機能を有し、前記情報機器が電池パックを識別できない場合は、その電池パックの情報を収集して、電池パックの種類を推定し、その電池パックの最も安全な充電制御を行うことを特徴とする。 The present invention also relates to a battery pack charge control method in which a battery is housed in a battery pack and is detachable from an information device main body, and a storage information unit capable of storing and rewriting various information in the information device. Has a charge / discharge control function for controlling the charge / discharge of the battery pack based on the identification information of the battery in the battery pack, and if the information device cannot identify the battery pack, collect the information of the battery pack The type of the battery pack is estimated, and the safest charging control of the battery pack is performed.
そして、前記情報機器が、外部機器と交信し、記憶されているすべての情報と比較参照しても電池パックを識別できない場合は、その電池パックの情報を収集して、電池パックの種類を推定し、外部機器に記憶されているその電池パックの最も安全な充電制御方法を入手し、充電制御を行うことがこのましい。 If the information device communicates with an external device and cannot identify the battery pack even if it is compared with all stored information, the information of the battery pack is collected and the type of the battery pack is estimated. It is preferable to obtain the safest charge control method for the battery pack stored in the external device and perform the charge control.
また、前記電池パックの情報としては、電池電圧、識別抵抗値であることが好ましい。 The battery pack information is preferably a battery voltage or an identification resistance value.
本発明の電池パックの充電制御方法によれば、指定外の電池パックであっても、その電池の種類を推定し、その電池パックの最も安全な充電制御、すなわち、充電電気量が少なく、過充電にならないので、その電池パックが本来持っている電池容量よりも使用できる電池容量が少なくなることもあるが、電池パックが早く劣化したり、発熱、漏液や熱変形に至る場合がなく、情報機器が使用できなくなることもない。 According to the battery pack charge control method of the present invention, even if the battery pack is not specified, the type of the battery is estimated, and the safest charge control of the battery pack, that is, the amount of charged electricity is small and excessive. Since it does not charge, the battery capacity that can be used may be less than the battery capacity that the battery pack originally has, but there is no case where the battery pack deteriorates quickly, does not cause heat generation, leakage, or thermal deformation, The information equipment will not become unusable.
本発明にかかる電池パックの充電制御方法について、図面を用いて詳細に説明する。図１は、電池パック１１、情報機器２１及び外部機器３１との構成を概略的に示すブロック図である。電池パック１１は、情報機器に電源を供給する充放電が可能な二次電池１２、この電池パック１１を過充電、過放電から保護する保護回路１３、この電池パック１１の電池の種類、銘柄情報などの識別情報を記憶させた識別部１４、情報機器と接続する為の＋端子１５、−端子１６、電池パック１１の識別情報を出力する識別端子１７から構成されている。 A battery pack charge control method according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram schematically showing configurations of the battery pack 11, the information device 21, and the external device 31. The battery pack 11 includes a secondary battery 12 that can be charged / discharged to supply power to an information device, a protection circuit 13 that protects the battery pack 11 from overcharge and overdischarge, a battery type of the battery pack 11, and brand information. The identification part 14 which memorize | stored identification information, such as + terminal 15 for connecting with information equipment,-terminal 16, and the identification terminal 17 which outputs the identification information of the battery pack 11 are comprised.
情報機器２１は、電池パック１１から出力される電池の識別情報と記憶されている識別情報と比較して、電池パックの種類、銘柄情報を識別して充放電を制御する制御部２２、各種情報を記憶する情報記憶部２３、基地局やサービスセンターが該当する外部機器３１と情報の送受信を行う送受信部２４、電池パック１１と接続する為の＋端子２５、−端子２６、情報機器の識別情報を出力する識別端子２７、表示部２８、操作部２９から構成されている。 The information device 21 compares the battery identification information output from the battery pack 11 and the stored identification information, identifies the type and brand information of the battery pack, and controls charging / discharging, and various information. Information storage unit 23 for storing information, a transmission / reception unit 24 for transmitting / receiving information to / from the external device 31 to which the base station or service center corresponds, + terminal 25 for connecting to the battery pack 11, − terminal 26, and identification information for the information device Is constituted of an identification terminal 27 for outputting the signal, a display unit 28, and an operation unit 29.
基地局やサービスセンターが該当する外部機器３１は、各種情報を記憶する記憶部３３や情報機器から送信された情報等を基に、情報を処理する情報処理部３２、情報機器２１と情報を送受信する送受信部３４から構成されている。 The external device 31 corresponding to the base station or the service center transmits / receives information to / from the information processing unit 32 that processes information and the information device 21 based on the information transmitted from the storage unit 33 that stores various information and the information device. It is comprised from the transmission / reception part 34 to perform.
このような構成において、電池パック１１が指定外の電池パックの場合、電池パック１１の識別情報を情報機器２１が入手しても、情報記憶部２３の情報に無いため、電池パック１１を識別し、その電池パック１１に最適な充電制御方法にて充電することができない。そこで、情報機器２１から、基地局やサービスセンターなどの外部機器３１の記憶部にある電池の識別情報から電池パックを識別し、その電池パックに最適な充電制御方法にて充電することができる。 In such a configuration, when the battery pack 11 is a non-designated battery pack, even if the information device 21 obtains the identification information of the battery pack 11, it is not included in the information in the information storage unit 23. The battery pack 11 cannot be charged by the optimum charge control method. Therefore, the information device 21 can identify the battery pack from the battery identification information in the storage unit of the external device 31 such as the base station or the service center, and can charge the battery pack by an optimum charge control method.
ところで、図２に示すような電池パック１１が指定外の電池パックで、電池パック１１の識別情報を持っていない場合、情報機器２１は、電池パック１１の種類、銘柄を特定できないので、その電池パックに最適な充電制御方法にて充電することができない。そこで、電池パック１１の電池電圧、識別抵抗などの電池情報から電池パックの種類を推定し、情報機器２１が記憶しているその電池パックの最も安全な充電制御方法で充電する。 By the way, when the battery pack 11 as shown in FIG. 2 is a non-designated battery pack and does not have the identification information of the battery pack 11, the information device 21 cannot specify the type and brand of the battery pack 11. The battery cannot be charged with the optimal charge control method for the pack. Therefore, the type of the battery pack is estimated from the battery information such as the battery voltage and the identification resistance of the battery pack 11, and charging is performed by the safest charge control method for the battery pack stored in the information device 21.
さらに、情報機器２１が、外部機器３１と交信し、外部機器３１の記憶部３３に記憶されているすべての情報と比較参照しても電池パックを識別できない場合は、その電池パックの情報を収集して、電池パックの種類を推定し、外部機器３１の記憶部３３に記憶されているその電池パックの最も安全な充電制御方法を入手し、充電制御を行う。 Further, if the information device 21 communicates with the external device 31 and cannot identify the battery pack even if it is compared with all the information stored in the storage unit 33 of the external device 31, information on the battery pack is collected. Then, the type of the battery pack is estimated, the safest charge control method for the battery pack stored in the storage unit 33 of the external device 31 is obtained, and the charge control is performed.
このような充電制御方法を用いることにより、充電電気量が少なく、過充電にならないので、その電池パックが本来持っている電池容量よりも使用できる電池容量が少なくなることもあるが、電池が早く劣化したり、発熱、漏液や熱変形に至る場合がなく、情報機器が使用できなくなることもない。 By using such a charge control method, the amount of charged electricity is small and overcharging is not performed, so the battery capacity that can be used may be less than the battery capacity that the battery pack originally has, but the battery is faster. There will be no deterioration, no heat generation, no leakage, and no thermal deformation, and the information equipment will not be unusable.
また、指定外パックであることを、情報機器２１の表示部２８に表示し、ユーザーに警告することができる。 Further, the fact that it is a non-designated pack can be displayed on the display unit 28 of the information device 21 to warn the user.
具体的には、正極活物質にリチウム含有コバルト複合酸化物、負極活物質に黒鉛を用いたリチウムイオン電池の場合、正規の充電電圧は４．２０Ｖであるが、リチウムイオン電池の中で最も低い充電電圧は、正極活物質にリチウム含有ニッケル酸化物、負極活物質に黒鉛を用いたリチウムイオン電池の場合、サイクル特性と電池容量のバランスを取ると、充電電圧は４．１０Ｖが最適である。 Specifically, in the case of a lithium ion battery using a lithium-containing cobalt composite oxide as a positive electrode active material and graphite as a negative electrode active material, the regular charging voltage is 4.20 V, which is the lowest among lithium ion batteries. In the case of a lithium ion battery using lithium-containing nickel oxide as the positive electrode active material and graphite as the negative electrode active material, the charging voltage is optimally 4.10 V in terms of a balance between cycle characteristics and battery capacity.
従って、指定外で電池パックを識別できない電池パック内の電池が正極活物質にリチウム含有コバルト複合酸化物、負極活物質に黒鉛を用いたリチウムイオン電池であった場合、４．１０Ｖで充電することになり、４．２０Ｖで充電した場合より、使用できる電池容量は約１０％少なくなるが、電池が早く劣化したり、発熱、漏液や熱変形に至る場合がなく、情報機器が使用できなくなることもない。 Therefore, if the battery in the battery pack that is not specified and cannot be identified is a lithium ion battery using lithium-containing cobalt composite oxide as the positive electrode active material and graphite as the negative electrode active material, charge it at 4.10V. The battery capacity that can be used is about 10% less than when it is charged at 4.20 V, but the battery does not deteriorate quickly, does not cause heat generation, leakage, or heat deformation, and the information device cannot be used. There is nothing.
本発明は、電池パックが指定外の電池パックであっても最も安全な充電制御を行うことができ、携帯電話、携帯情報機器、デジタルカメラ等の情報機器の駆動用電源において特に有用である。 The present invention can perform the safest charge control even when the battery pack is a non-designated battery pack, and is particularly useful in a power source for driving information devices such as a mobile phone, a portable information device, and a digital camera.
１１ 電池パック
１２ 電池
１３ 保護回路
１４ 電池パック内の識別部
１５ 電池パックの＋端子
１６ 電池パックの＋端子
１７ 電池パックの識別端子
２１ 情報機器
２２ 情報機器内の制御部
２３ 情報機器内の情報記憶部
２４ 情報機器の送受信部
２５ 情報機器の＋端子
２６ 情報機器の＋端子
２７ 情報機器の識別端子
２８ 情報機器の表示部
２９ 情報機器の操作部
３１ 外部機器
３２ 外部機器の情報処理部
３３ 外部機器の記憶部
３４ 外部機器の送受信部
DESCRIPTION OF SYMBOLS 11 Battery pack 12 Battery 13 Protection circuit 14 Identification part in a battery pack 15 + terminal of a battery pack 16 + terminal of a battery pack 17 Identification terminal of a battery pack 21 Information equipment 22 Control part in information equipment 23 Information storage in information equipment Unit 24 Information Device Transmission / Reception Unit 25 Information Device + Terminal 26 Information Device + Terminal 27 Information Device Identification Terminal 28 Information Device Display Unit 29 Information Device Operation Unit 31 External Device 32 External Device Information Processing Unit 33 External Device Storage unit 34 External device transmission / reception unit
Claims (4)
前記情報機器内には、各種情報を記憶し書き換えできる記憶情報部を有し、電池パック内の電池の識別情報に基づく電池パックの充放電を制御する充放電制御機能を有し、前記情報機器が電池パックの識別情報を識別できない場合は、外部機器と交信し、記憶されているすべての情報と比較参照して、電池パックを識別し、その電池パックの最適充電制御方法を入手し、充電制御を行うことを特徴とする電池パックの充電制御方法。 The battery pack is stored in the battery pack, and the battery pack charge control method is detachable from the information device body.
The information device has a storage information unit that can store and rewrite various types of information, and has a charge / discharge control function for controlling charge / discharge of the battery pack based on the identification information of the battery in the battery pack. If the battery pack identification information cannot be identified, it communicates with the external device, compares it with all stored information, identifies the battery pack, obtains the optimal charge control method for the battery pack, A charge control method for a battery pack, characterized by performing control.
前記情報機器内には、各種情報を記憶し書き換えできる記憶情報部を有し、電池パック内の電池の識別情報に基づく電池パックの充放電を制御する充放電制御機能を有し、前記情報機器が電池パックを識別できない場合は、その電池パックの情報を収集して、電池パックの種類を推定し、その電池パックの最も安全な充電制御を行うことを特徴とする電池パックの充電制御方法。 The battery pack is stored in the battery pack, and the battery pack charge control method is detachable from the information device body.
The information device has a storage information unit that can store and rewrite various types of information, and has a charge / discharge control function for controlling charge / discharge of the battery pack based on the identification information of the battery in the battery pack. If the battery pack cannot be identified, information on the battery pack is collected, the type of the battery pack is estimated, and the safest charge control of the battery pack is performed.
3. The battery pack charge control method according to claim 2, wherein the battery information is a battery voltage and an identification resistance value.
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| JP2004275305A JP4311318B2 (en) | 2004-09-22 | 2004-09-22 | Battery pack charge control method |
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| JP4311318B2 JP4311318B2 (en) | 2009-08-12 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007282471A (en) * | 2006-03-13 | 2007-10-25 | Seiko Epson Corp | Electronic equipment, its control method, and its program |
| JP2012050266A (en) * | 2010-08-27 | 2012-03-08 | Denso Corp | Battery management device |
| WO2012077637A1 (en) * | 2010-12-06 | 2012-06-14 | パナソニック電工パワーツール株式会社 | Battery charger, adapter and charging system |
| JP2014033525A (en) * | 2012-08-02 | 2014-02-20 | Hitachi Koki Co Ltd | Charger, battery pack, and charging system |
| WO2014061249A1 (en) * | 2012-10-17 | 2014-04-24 | オムロンオートモーティブエレクトロニクス株式会社 | Battery power control system, electronic control device, and battery module |
| JP2014117052A (en) * | 2012-12-07 | 2014-06-26 | Hitachi Koki Co Ltd | Charging device |
| JP2016025721A (en) * | 2014-07-18 | 2016-02-08 | サトーホールディングス株式会社 | Battery charging system |
-
2004
- 2004-09-22 JP JP2004275305A patent/JP4311318B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007282471A (en) * | 2006-03-13 | 2007-10-25 | Seiko Epson Corp | Electronic equipment, its control method, and its program |
| JP2012050266A (en) * | 2010-08-27 | 2012-03-08 | Denso Corp | Battery management device |
| US8760112B2 (en) | 2010-08-27 | 2014-06-24 | Denso Corporation | Battery management apparatus |
| WO2012077637A1 (en) * | 2010-12-06 | 2012-06-14 | パナソニック電工パワーツール株式会社 | Battery charger, adapter and charging system |
| US9287721B2 (en) | 2010-12-06 | 2016-03-15 | Panasonic Intellectual Property Management Co., Ltd. | Charger, adapter and charging system |
| JP2014033525A (en) * | 2012-08-02 | 2014-02-20 | Hitachi Koki Co Ltd | Charger, battery pack, and charging system |
| WO2014061249A1 (en) * | 2012-10-17 | 2014-04-24 | オムロンオートモーティブエレクトロニクス株式会社 | Battery power control system, electronic control device, and battery module |
| JP2014117052A (en) * | 2012-12-07 | 2014-06-26 | Hitachi Koki Co Ltd | Charging device |
| JP2016025721A (en) * | 2014-07-18 | 2016-02-08 | サトーホールディングス株式会社 | Battery charging system |
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