JP4089896B2 - Secondary battery and charger - Google Patents

Secondary battery and charger Download PDF

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JP4089896B2
JP4089896B2 JP2003362798A JP2003362798A JP4089896B2 JP 4089896 B2 JP4089896 B2 JP 4089896B2 JP 2003362798 A JP2003362798 A JP 2003362798A JP 2003362798 A JP2003362798 A JP 2003362798A JP 4089896 B2 JP4089896 B2 JP 4089896B2
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charger
charging
signal
secondary battery
output terminal
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JP2005130584A (en
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福一 高松
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Tokin Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E60/10—Energy storage using batteries

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Description

本発明は、電池固有の識別信号により回路の切り替えを行って充電を可能とする二次電池及び充電器に関する。   The present invention relates to a secondary battery and a charger that can be charged by switching circuits according to a battery-specific identification signal.

従来より、二次電池に対してその充電を行うための充電器は、専用のものが使用されるようになっており、専用の充電器により充電を行うことが必須となっている（例えば、特許文献１参照）。このような専用の充電器は、価格が割高であり、また単品で入手するには難しく入手性に困難さがあることから、専用充電器を使用せず、汎用の充電器や自作の充電器などを使用して二次電池の充電を行う場合がある。
特開平１１−２７８６９号公報 Conventionally, as a charger for charging the secondary battery, a dedicated one is used, and it is essential to charge by a dedicated charger (for example, Patent Document 1). Such dedicated chargers are expensive and difficult to obtain separately and difficult to obtain, so there is no need to use a dedicated charger. May be used to charge the secondary battery.
JP-A-11-27869

しかし、汎用の充電器や自作の充電器などを使用して二次電池の充電を行うことは、二次電池の使用上極めて悪い影響を及ぼし、発煙や発火などを招くこともあり、種々の障害が発生する。また、専用の充電器において、所定の二次電池かどうかを判別するためには、例えばＩＤ抵抗やＩＤ用メモリ等を二次電池に搭載し、二次電池に専用単価の搭載が必要であった。   However, charging a secondary battery using a general-purpose charger or a self-made charger has a very bad influence on the use of the secondary battery, and may cause smoke or fire. A failure occurs. In addition, in order to determine whether or not the battery is a predetermined secondary battery in a dedicated charger, for example, an ID resistor, an ID memory, or the like is mounted on the secondary battery, and a dedicated unit price is required for the secondary battery. It was.

本発明は、上記課題を解決するものであって、汎用の充電器や自作の充電器による二次電池の充電をできないようにするものである。   This invention solves the said subject, Comprising: A secondary battery cannot be charged with a general purpose charger or a self-made charger.

そのために本発明は、電池固有の識別信号により回路の切り替えを行って充電器による充電を可能とする二次電池であって、出力端子に充電器が接続されたのを認識するスイッチと、前記出力端子に充電器が接続されたのを前記スイッチが認識すると固有の長さや間隔、数からなる電流パルスの識別信号を発生する信号発生手段と、前記出力端子に充電器が接続されたのを前記スイッチが認識すると前記出力端子を前記信号発生手段に接続して前記信号発生手段が発生する固有の識別信号を前記出力端子から送出した後、前記出力端子から所定の信号を検出して前記出力端子を前記信号発生手段から電池セルに切り替え接続する切り替え手段とを有し、前記出力端子に接続して前記固有の識別信号を認識した充電器からの所定の信号を検出することにより、前記充電器からの充電を可能とするように構成したことを特徴とするものである。 Therefore, the present invention is a secondary battery that enables charging by a charger by switching circuits according to a battery-specific identification signal , the switch for recognizing that a charger is connected to the output terminal, When the switch recognizes that a charger is connected to the output terminal , signal generating means for generating a current pulse identification signal consisting of a unique length, interval, and number , and a charger connected to the output terminal When the switch recognizes, the output terminal is connected to the signal generating means, and a unique identification signal generated by the signal generating means is transmitted from the output terminal, and then a predetermined signal is detected from the output terminal and the output is detected. and a switching means for switching connection to the battery cell terminal from said signal generating means, to detect a predetermined signal from the charger recognizes the unique identification signal connected to the output terminal It by and is characterized by being configured to allow charging from the charger.

電池固有の識別信号により回路の切り替えを行って二次電池の充電を可能とする充電器であって、二次電池を接続する充電端子から固有の長さや間隔、数からなる電流パルスの識別信号を検出し識別する信号検出手段と、前記充電端子を前記信号検出手段に接続して前記信号検出手段が前記固有の識別信号を検出し識別すると所定の信号を送出して前記充電端子を前記信号検出手段から充電回路に切り替え接続する切り替え手段とを有し、前記固有の識別信号を検出し識別して前記充電端子を前記充電回路に切り替え接続することにより、充電を可能とするように構成したことを特徴とするものである。 A charger that switches the circuit according to a battery-specific identification signal and enables charging of the secondary battery, and a current pulse identification signal consisting of a unique length, interval, and number from the charging terminal that connects the secondary battery. A signal detecting means for detecting and identifying the charging terminal, and the charging terminal is connected to the signal detecting means, and when the signal detecting means detects and identifies the unique identification signal, a predetermined signal is sent to identify the charging terminal as the signal. Switching means for switching connection from the detection means to the charging circuit, configured to detect and identify the unique identification signal and to connect the charging terminal to the charging circuit to enable charging. It is characterized by this.

本発明によれば、電池固有の識別信号により回路の切り替えを行って充電器による充電を可能とする二次電池として、出力端子に充電器が接続されたのを認識するスイッチと、出力端子に充電器が接続されたのをスイッチが認識すると固有の長さや間隔、数からなる電流パルスの識別信号を発生する信号発生手段と、出力端子に充電器が接続されたのをスイッチが認識すると出力端子を信号発生手段に接続して信号発生手段が発生する固有の識別信号を出力端子から送出した後、出力端子から所定の信号を検出して出力端子を信号発生手段から電池セルに切り替え接続する切り替え手段とを有し、出力端子に接続して固有の識別信号を認識した充電器からの所定の信号を検出することにより、充電器からの充電を可能とするように構成したので、汎用の充電器や自作・改造した充電器を使用して二次電池が充電されるのを防ぐことができる。 According to the present invention, a switch that recognizes that a charger is connected to an output terminal as a secondary battery that can be charged by a charger by switching a circuit by a battery-specific identification signal, and an output terminal When the switch recognizes that the charger is connected , a signal generating means for generating a current pulse identification signal consisting of a unique length, interval and number, and an output when the switch recognizes that the charger is connected to the output terminal After the terminal is connected to the signal generating means and a unique identification signal generated by the signal generating means is transmitted from the output terminal, a predetermined signal is detected from the output terminal, and the output terminal is switched and connected from the signal generating means to the battery cell. and a switching means, the by detecting a predetermined signal from the charger recognizes a unique identification signal connected to the output terminal and configured to allow charging from the charger , It is possible to prevent the secondary battery using a general purpose charger or own or modify the charger is charged.

また、電池固有の識別信号により回路の切り替えを行って二次電池の充電を可能とする充電器として、二次電池を接続する充電端子から固有の長さや間隔、数からなる電流パルスの識別信号を検出し識別する信号検出手段と、充電端子を信号検出手段に接続して信号検出手段が固有の識別信号を検出し識別すると所定の信号を送出して充電端子を信号検出手段から充電回路に切り替え接続する切り替え手段とを有し、固有の識別信号を検出し識別して充電端子を充電回路に切り替え接続することにより、充電を可能とするように構成したので、対象外の二次電池を充電するのを防ぐことができる。したがって、二次電池を所定の定格で安全に使用することができる。 In addition, as a charger that enables charging of the secondary battery by switching the circuit according to the battery-specific identification signal , a current pulse identification signal consisting of a unique length, interval, and number from the charging terminal to which the secondary battery is connected A signal detecting means for detecting and identifying the charging terminal and a charging terminal connected to the signal detecting means, and when the signal detecting means detects and identifies a unique identification signal, a predetermined signal is sent to the charging circuit from the signal detecting means to the charging circuit. Switching means for switching connection, and it is configured to enable charging by detecting and identifying a unique identification signal and switching and connecting the charging terminal to the charging circuit. It can prevent charging. Therefore, the secondary battery can be safely used with a predetermined rating.

以下、本発明の実施の形態を図面を参照しつつ説明する。図１は本発明に係る二次電池及び専用充電器の実施の形態を示す図であり、１は二次電池、２は電池セル、３は保護回路、４は電流パルス発生回路、５は出力切替回路、６、７は出力端子、１０は専用充電器、１１、１２は充電端子、１３は充電切替回路、１４はパルス検出回路、１５は充電回路、１６は電源回路を示す。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing an embodiment of a secondary battery and a dedicated charger according to the present invention. 1 is a secondary battery, 2 is a battery cell, 3 is a protection circuit, 4 is a current pulse generation circuit, and 5 is an output. The switching circuit, 6 and 7 are output terminals, 10 is a dedicated charger, 11 and 12 are charging terminals, 13 is a charging switching circuit, 14 is a pulse detection circuit, 15 is a charging circuit, and 16 is a power circuit.

図１において、二次電池１は、内部に電池セル２、その電池セル２を保護するための保護回路３、その後段に電池固有の識別信号として所定の電流パルスを発生する電流パルス発生回路４、出力端子６、７を電池セル２又は電流パルス発生回路４に切り替えて接続する出力切替回路５を搭載したものである。   In FIG. 1, a secondary battery 1 includes a battery cell 2, a protection circuit 3 for protecting the battery cell 2, and a current pulse generation circuit 4 for generating a predetermined current pulse as a battery-specific identification signal at the subsequent stage. , And an output switching circuit 5 for switching and connecting the output terminals 6 and 7 to the battery cell 2 or the current pulse generation circuit 4.

出力切替回路５は、電池セル２からの出力を出力端子６（＋）、７（−）を経由して負荷に給電するように電池セル２と出力端子６（＋）との間を接続するが、出力端子６（＋）、７（−）に充電器が接続されたことを検出すると、出力端子６（＋）、７（−）を電流パルス発生回路４に接続する。そして、電流パルスを出力端子６（＋）、７（−）を経由して送出し、充電器が電流パルスの識別信号を判別して充電を開始すると、出力端子６（＋）、７（−）を電池セル２に接続するように切り替えを行うものである。出力端子６（＋）、７（−）に専用の充電器や負荷が接続されたか否かは、例えばマイクロスイッチ等の機械的手段を用いて認識することができ、その他の汎用充電器や自作の充電器が接続されたときには、直ちに充電が開始されるので、充電電流を検出することにより認識することができる。また、出力切替回路５において、専用の充電器からの電流パルスの識別信号の受付、充電開始信号を検出することにより専用の充電器を認識し、電池セル２に接続を切り換えるようにしてもよい。   The output switching circuit 5 connects between the battery cell 2 and the output terminal 6 (+) so that the output from the battery cell 2 is fed to the load via the output terminals 6 (+) and 7 (−). However, when it is detected that the charger is connected to the output terminals 6 (+) and 7 (−), the output terminals 6 (+) and 7 (−) are connected to the current pulse generation circuit 4. Then, when the current pulse is sent via the output terminals 6 (+) and 7 (−) and the charger determines the current pulse identification signal and starts charging, the output terminals 6 (+) and 7 (− ) To be connected to the battery cell 2. Whether or not a dedicated charger or load is connected to the output terminals 6 (+) and 7 (−) can be recognized using mechanical means such as a microswitch, for example. When the charger is connected, charging is started immediately, so that it can be recognized by detecting the charging current. In addition, the output switching circuit 5 may accept the current pulse identification signal from the dedicated charger and detect the charging start signal to recognize the dedicated charger and switch the connection to the battery cell 2. .

専用充電器１０は、電流パルス発生回路４から発生され送信されてくる電流パルスを検出し識別信号を判別するパルス検出回路１４、充電回路１５、電源回路１６、充電端子１１（＋）、１２（−）をパルス検出回路１４又は充電回路１５と電源回路１６に切り替え接続する充電切替回路１３を搭載し、さらに充電端子１１（＋）、１２（−）に二次電池１が接続されたことを認識する手段、例えばマイクロスイッチ等の機構的手段を有するものである。   The dedicated charger 10 detects a current pulse generated and transmitted from the current pulse generation circuit 4 to determine an identification signal, a pulse detection circuit 14, a charging circuit 15, a power circuit 16, and charging terminals 11 (+), 12 ( -) Is mounted with a charge switching circuit 13 for switching connection to the pulse detection circuit 14 or the charging circuit 15 and the power supply circuit 16, and the secondary battery 1 is connected to the charging terminals 11 (+) and 12 (-). It has a means for recognition, for example, a mechanical means such as a microswitch.

充電切替回路１３は、充電端子１１（＋）、１２（−）に二次電池１が接続されたことを認識すると、充電端子１１（＋）、１２（−）をパルス検出回路１４に接続して電流パルス発生回路４から発生され送信されてくる電流パルスを入力し、パルス検出回路１４により識別信号が判別されることにより、充電端子１１（＋）、１２（−）を充電回路１５及び電源回路１６に接続するように切り替えを行うものである。   When the charge switching circuit 13 recognizes that the secondary battery 1 is connected to the charging terminals 11 (+) and 12 (−), the charging switching circuit 13 connects the charging terminals 11 (+) and 12 (−) to the pulse detection circuit 14. When the current pulse generated and transmitted from the current pulse generation circuit 4 is input and the identification signal is discriminated by the pulse detection circuit 14, the charging terminals 11 (+) and 12 (-) are connected to the charging circuit 15 and the power source. Switching is performed so as to connect to the circuit 16.

上記のように専用充電器１０においては、二次電池１が接続されたときに、まず、内部に搭載されたパルス検出回路１４で電流パルスを検出して識別信号を判別するように充電切替回路１３の切り替えを行うと共に、他方、二次電池１においては、充電器が接続されたときに、内部に搭載された電流パルス発生回路４から識別信号として固有の電流パルスを発生して出力端子（＋）、７（−）へ送出するように出力切替回路５の切り替えを行う。そして、専用充電器１０においては、パルス検出回路１４で二次電池１の固有の電流パルスを検出し識別信号を判別することにより、充電切替回路１３がパルス検出回路１４から充電回路１５と電源回路１６に切り替え接続を行う。また、二次電池１においては、専用充電器１０の充電切替回路１３によるパルス検出回路１４から充電回路１５と電源回路１６への切り替えを検出して、出力切替回路５が電流パルス発生回路４から電池セル２に切り替え接続を行う。これらの切り替えにより充電回路１５と電源回路１６による電池セル２の充電が実行される。   As described above, in the dedicated charger 10, when the secondary battery 1 is connected, first, the charge switching circuit is configured to detect the current pulse by the pulse detection circuit 14 mounted therein to determine the identification signal. On the other hand, in the secondary battery 1, when a charger is connected, a unique current pulse is generated as an identification signal from the current pulse generation circuit 4 mounted inside, and an output terminal ( The output switching circuit 5 is switched so as to be sent to (+) and 7 (−). In the dedicated charger 10, the charge switching circuit 13 is changed from the pulse detection circuit 14 to the charging circuit 15 and the power supply circuit by detecting the unique current pulse of the secondary battery 1 by the pulse detection circuit 14 and discriminating the identification signal. Switch to 16 for connection. In the secondary battery 1, the switching from the pulse detection circuit 14 to the charging circuit 15 and the power supply circuit 16 by the charge switching circuit 13 of the dedicated charger 10 is detected, and the output switching circuit 5 is connected to the current pulse generation circuit 4. The battery cell 2 is switched and connected. By these switching operations, charging of the battery cell 2 by the charging circuit 15 and the power supply circuit 16 is executed.

図２は二次電池を充電器にセットしたときの動作を説明するための図である。二次電池１を充電器へセットすると、二次電池は、例えば図２に示すような０．５秒の間隔をおいて１秒の長さで２発の電流パルスを送出する。充電器が専用充電器である場合には、この電流パルスを検出して判別することにより、当該専用充電器により充電可能な二次電池として認識し、専用充電器は、所定の充電を開始する。   FIG. 2 is a diagram for explaining the operation when the secondary battery is set in the charger. When the secondary battery 1 is set in the charger, the secondary battery sends out two current pulses with a length of 1 second at intervals of 0.5 seconds as shown in FIG. 2, for example. When the charger is a dedicated charger, it is recognized as a secondary battery that can be charged by the dedicated charger by detecting and discriminating this current pulse, and the dedicated charger starts predetermined charging. .

なお、本発明は、上記実施の形態に限定されるものではなく、種々の変形が可能である。例えば上記実施の形態では、０．５秒の間隔で１秒の長さの電流パルスを送出したが、二次電池の識別・判別が可能とする信号であれば他の形態の信号であってもよい。したがって、電流パルスの長さや間隔、数は適宜選択し設定すればよいことは勿論であり、長さや間隔、数を組み合わせ、さらに複数のパターンを認識できるようにしてもよいし、所定周波数のパルス信号を送出したりしてもよい。このことにより、複数の二次電池が充電可能とする専用充電器を提供することもできる。   In addition, this invention is not limited to the said embodiment, A various deformation | transformation is possible. For example, in the above-described embodiment, a current pulse having a length of 1 second is transmitted at intervals of 0.5 seconds. However, if the signal enables identification and discrimination of a secondary battery, Also good. Therefore, the length, interval, and number of the current pulses may be selected and set as appropriate, and the length, interval, and number may be combined so that a plurality of patterns can be recognized. A signal may be sent out. Accordingly, it is possible to provide a dedicated charger that can charge a plurality of secondary batteries.

本発明に係る二次電池及び専用充電器の実施の形態を示す図である。It is a figure which shows embodiment of the secondary battery and dedicated charger which concern on this invention. 二次電池を充電器にセットしたときの動作を説明するための図である。It is a figure for demonstrating operation | movement when a secondary battery is set to a charger.

符号の説明Explanation of symbols

１…二次電池、２…電池セル、３…保護回路、４…電流パルス発生回路、５…出力切替回路、６、７…出力端子、１０…専用充電器、１１、１２…充電端子、１３…充電切替回路、１４…パルス検出回路、１５…充電回路、１６…電源回路   DESCRIPTION OF SYMBOLS 1 ... Secondary battery, 2 ... Battery cell, 3 ... Protection circuit, 4 ... Current pulse generation circuit, 5 ... Output switching circuit, 6, 7 ... Output terminal, 10 ... Dedicated charger, 11, 12 ... Charging terminal, 13 ... Charge switching circuit, 14 ... pulse detection circuit, 15 ... charging circuit, 16 ... power supply circuit

Claims (2)

電池固有の識別信号により回路の切り替えを行って充電器による充電を可能とする二次電池であって、
出力端子に充電器が接続されたのを認識するスイッチと、
前記出力端子に充電器が接続されたのを前記スイッチが認識すると固有の長さや間隔、数からなる電流パルスの識別信号を発生する信号発生手段と、
前記出力端子に充電器が接続されたのを前記スイッチが認識すると前記出力端子を前記信号発生手段に接続して前記信号発生手段が発生する固有の識別信号を前記出力端子から送出した後、前記出力端子から所定の信号を検出して前記出力端子を前記信号発生手段から電池セルに切り替え接続する切り替え手段と
を有し、前記出力端子に接続して前記固有の識別信号を認識した充電器からの所定の信号を検出することにより、前記充電器からの充電を可能とするように構成したことを特徴とする二次電池。 A secondary battery that can be charged by a charger by switching circuits according to a battery-specific identification signal,
A switch for recognizing that a charger is connected to the output terminal;
Signal generating means for generating a current pulse identification signal consisting of a unique length, interval, and number when the switch recognizes that a charger is connected to the output terminal ;
After the switch recognizes that a charger is connected to the output terminal, the output terminal is connected to the signal generating means, and a unique identification signal generated by the signal generating means is sent from the output terminal. Switching means for detecting a predetermined signal from the output terminal and switching and connecting the output terminal to the battery cell from the signal generating means, and from a charger that recognizes the unique identification signal by connecting to the output terminal The secondary battery is configured to enable charging from the charger by detecting the predetermined signal . 電池固有の識別信号により回路の切り替えを行って二次電池の充電を可能とする充電器であって、
二次電池を接続する充電端子から固有の長さや間隔、数からなる電流パルスの識別信号を検出し識別する信号検出手段と、
前記充電端子を前記信号検出手段に接続して前記信号検出手段が前記固有の識別信号を検出し識別すると所定の信号を送出して前記充電端子を前記信号検出手段から充電回路に切り替え接続する切り替え手段と
を有し、前記固有の識別信号を検出し識別して前記充電端子を前記充電回路に切り替え接続することにより、充電を可能とするように構成したことを特徴とする充電器。 A charger that enables charging of a secondary battery by switching a circuit according to a battery-specific identification signal,
A signal detection means for detecting and identifying a current pulse identification signal consisting of a unique length, interval, and number from the charging terminal to which the secondary battery is connected ;
The charging terminal is connected to the signal detecting means, and when the signal detecting means detects and identifies the unique identification signal, a predetermined signal is sent to switch the charging terminal from the signal detecting means to the charging circuit. And a charging unit configured to detect and identify the unique identification signal and to connect the charging terminal to the charging circuit so as to enable charging.
JP2003362798A 2003-10-23 2003-10-23 Secondary battery and charger Expired - Lifetime JP4089896B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0618698U (en) * 1992-08-21 1994-03-11 三菱重工業株式会社 Centrifugal compressor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006302733A (en) * 2005-04-22 2006-11-02 Matsushita Electric Ind Co Ltd Battery pack and its connection system
KR101615060B1 (en) * 2012-03-22 2016-04-22 미쓰비시덴키 가부시키가이샤 Electrical storage apparatus
JP2017158383A (en) * 2016-03-04 2017-09-07 日立アプライアンス株式会社 Charger and charging system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0618698U (en) * 1992-08-21 1994-03-11 三菱重工業株式会社 Centrifugal compressor

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