JP2003187877A - Rechargeable battery set with charger circuit - Google Patents
Rechargeable battery set with charger circuitInfo
- Publication number
- JP2003187877A JP2003187877A JP2001385639A JP2001385639A JP2003187877A JP 2003187877 A JP2003187877 A JP 2003187877A JP 2001385639 A JP2001385639 A JP 2001385639A JP 2001385639 A JP2001385639 A JP 2001385639A JP 2003187877 A JP2003187877 A JP 2003187877A
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- charger
- protection circuit
- circuit
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、充電器回路付き
蓄電池セットに属する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage battery set with a charger circuit.
【０００２】[0002]
【従来の技術】リチウムイオン電池などの高エネルギー
密度の蓄電池においては、過充電又は過放電が危険を伴
うことから、これを防止するために例えば図３に回路図
で示すように蓄電池１２に保護回路１３が接続されてい
る。従来、リチウムイオン電池は、小型軽量性が要求さ
れる電子機器に適用されることから、その要求を満たす
ために保護回路１３が蓄電池１２と一体化された電池パ
ック１１として出荷されることが多かった。2. Description of the Related Art In a storage battery having a high energy density such as a lithium ion battery, overcharging or overdischarging poses a danger. To prevent this, for example, a storage battery 12 is protected as shown in the circuit diagram of FIG. The circuit 13 is connected. 2. Description of the Related Art Conventionally, since a lithium ion battery is applied to an electronic device that is required to be small and lightweight, it is often shipped as a battery pack 11 in which a protection circuit 13 is integrated with a storage battery 12 in order to meet the demand. It was
【０００３】[0003]
【発明が解決しようとする課題】しかし、保護回路には
蓄電池の電圧を検出するための電流や保護回路を動作さ
せるための電流が流れる。このため、例えば出荷前の工
場内やユーザー側での長期不使用時などにおいて保護回
路１３を蓄電池１２に接続しっぱなしにすると、電池が
過放電状態となり、寿命を劣化させる。最悪の場合、過
放電が進み続けて内部短絡が生じ、電池が使用不能とな
る。それ故、この発明の課題は、寿命の長い蓄電池と保
護回路とのセットを提供することにある。However, a current for detecting the voltage of the storage battery and a current for operating the protection circuit flow through the protection circuit. For this reason, for example, if the protection circuit 13 is left connected to the storage battery 12 in the factory before shipment or when it is not used for a long time by the user, the battery will be over-discharged and the life will be deteriorated. In the worst case, over-discharging continues and an internal short circuit occurs, rendering the battery unusable. Therefore, an object of the present invention is to provide a set of a storage battery and a protection circuit having a long life.
【０００４】[0004]
【課題を解決するための手段】その課題を解決するため
に、この発明の蓄電池セットは、蓄電池と、蓄電池を充
電する充電器回路が形成された充電器基板と、充電器基
板上に蓄電池と接続するように固定された蓄電池側コネ
クタと、蓄電池の保護回路が形成された保護回路基板
と、保護回路基板上に保護回路と接続するように固定さ
れた保護回路側コネクタとを備え、蓄電池側コネクタと
保護回路側コネクタとは互いに連結可能であって、連結
時に保護回路基板が充電器基板に固定されることを特徴
とする。In order to solve the problem, a storage battery set according to the present invention includes a storage battery, a charger substrate on which a charger circuit for charging the storage battery is formed, and a storage battery on the charger substrate. A storage battery side connector fixed to be connected, a protection circuit board on which a protection circuit for the storage battery is formed, and a protection circuit side connector fixed to be connected to the protection circuit on the protection circuit board, the storage battery side The connector and the protection circuit side connector can be connected to each other, and the protection circuit board is fixed to the charger board at the time of connection.
【０００５】この発明の蓄電池セットにおいては、出荷
前や不使用時には蓄電池側コネクタと保護回路側コネク
タを外しておくことができ、それによって保護回路との
接続に伴う放電が生じない。このため過放電しない。ま
た、使用時には蓄電池側コネクタと保護回路側コネクタ
を連結することにより、電池の安全性を保ちつつ充放電
させることができる。また、蓄電池と保護回路との間の
接続及び遮断は、両コネクタを介して速やかにできるの
で、煩いを感じさせない。In the storage battery set of the present invention, the storage battery side connector and the protection circuit side connector can be detached before shipping or when not in use, so that no discharge occurs due to the connection with the protection circuit. Therefore, over-discharge does not occur. Further, by connecting the storage battery side connector and the protection circuit side connector at the time of use, the battery can be charged and discharged while maintaining safety. Further, since the connection and disconnection between the storage battery and the protection circuit can be promptly made through both connectors, it does not cause any trouble.
【０００６】また、この発明の充電器回路付き蓄電池セ
ットを別の局面から捉えれば、蓄電池と、蓄電池を充電
する充電器回路が形成された充電器基板とを備え、前記
蓄電池は一方の面に正負極の両外部端子を有し、前記充
電器基板は充電器回路の蓄電池側端部にそれら外部端子
と連結された端子孔を有し、外部端子と端子孔との連結
により充電器基板が蓄電池に固定されていることを特徴
とする。これにより面倒な配線作業をしなくても充電器
を蓄電池に接続することができる上、外部端子が充電器
基板の固定手段を兼ねるので、部品点数が少なくて済む
という副次的作用を生じるからである。Further, if the storage battery set with a charger circuit of the present invention is considered from another aspect, it is provided with a storage battery and a charger substrate on which a charger circuit for charging the storage battery is formed, and the storage battery is provided on one surface. Having both positive and negative external terminals, the charger board has terminal holes connected to the external terminals at the storage battery side end of the charger circuit, and the charger board is formed by connecting the external terminals to the terminal holes. It is characterized by being fixed to a storage battery. This allows the charger to be connected to the storage battery without tedious wiring work, and since the external terminal also serves as a fixing means for the charger board, there is a side effect that the number of parts can be reduced. Is.
【０００７】前記２つの局面からみた蓄電池セットにお
ける充電器回路は、アノードが充電器回路側に、カソー
ドが蓄電池側に接続されたダイオードを含むと好まし
い。この構成により、充電器回路を接続しっぱなしにし
ても放電することがないので、充電器を蓄電池と一体化
させることができる。The charger circuit in the storage battery set viewed from the above two aspects preferably includes a diode whose anode is connected to the charger circuit side and whose cathode is connected to the storage battery side. With this configuration, the charger circuit can be integrated with the storage battery because it does not discharge even if the charger circuit is left connected.
【０００８】[0008]
【発明の実施の形態】この発明の実施形態の蓄電池セッ
トを図１に回路図で、図２に分解斜視図で示す。蓄電池
セット１は、直列に接続された４個のリチウムイオン電
池２と、保護回路（図示省略）を搭載した保護回路基板
４と、充電器回路５（図２では省略）を搭載した充電器
基板６と、充電器基板６表面に充電器回路５に隣接して
搭載されたダイオード９（図２では省略）とを備える。1 is a circuit diagram and FIG. 2 is an exploded perspective view of a storage battery set according to an embodiment of the present invention. The storage battery set 1 includes four lithium-ion batteries 2 connected in series, a protection circuit board 4 having a protection circuit (not shown), and a charger board having a charger circuit 5 (not shown in FIG. 2). 6 and a diode 9 (not shown in FIG. 2) mounted on the surface of the charger substrate 6 adjacent to the charger circuit 5.
【０００９】各電池２は、角型容器２１の上面の両端付
近に突出した正極端子２２及び負極端子２３を有し、こ
れらの端子２２、２３が二列に並ぶように配置されてい
る。保護回路基板４の両端には、電位を等しくする保護
回路の端部を集約した保護回路側コネクタ７、７が設け
られている。出力電流は一方の端の電池２の端子２２と
他方の端の電池２の端子２３から取り出される。そし
て、例えば一方のリード線には電流検出のためのシャン
ト抵抗及びブレーカが接続され、過電流時に保護回路よ
りブレーカを作動させる指示信号が出される。Each battery 2 has a positive electrode terminal 22 and a negative electrode terminal 23 protruding near both ends of the upper surface of the rectangular container 21, and these terminals 22 and 23 are arranged in two rows. At both ends of the protection circuit board 4, there are provided protection circuit-side connectors 7, 7 in which the ends of the protection circuit for equalizing the potential are integrated. The output current is taken from the terminal 22 of the battery 2 at one end and the terminal 23 of the battery 2 at the other end. Then, for example, a shunt resistor and a breaker for current detection are connected to one of the lead wires, and an instruction signal for operating the breaker is output from the protection circuit when an overcurrent occurs.
【００１０】一方、充電器基板６は、上記４個の電池２
の上面を合わせた形状及びその総面積と同程度の形状及
び面積を有し、充電器基板６の両端にも保護回路側コネ
クタ７と雌雄関係となって連結可能な蓄電池側コネクタ
８、８が設けられている。充電器基板６には、正極端子
２２及び負極端子２３と嵌合して、これらと個別に電気
的に接続された８つの端子孔６１が端子同様に二列に並
ぶように形成されており、充電器基板６の表面にこれら
の端子孔６１と接続する配線が形成され、その配線が正
負別々に蓄電池側コネクタ８に集約されている。端子孔
６１の内周面は導体で形成されており、正負極端子２
２、２３が嵌合すると同時に電気的に接続される。On the other hand, the charger substrate 6 is composed of the above-mentioned four batteries 2
The storage battery side connectors 8 and 8 which have the same shape and area as the combined upper surface of the battery and the total area thereof and which can be connected to the protection circuit side connector 7 in a male-female relationship at both ends of the charger substrate 6. It is provided. Eight terminal holes 61 that are fitted to the positive electrode terminal 22 and the negative electrode terminal 23 and electrically connected to the positive electrode terminal 22 and the negative electrode terminal 23 are formed so as to be arranged in two rows like the terminals. Wirings connected to these terminal holes 61 are formed on the surface of the charger substrate 6, and the wirings are separately collected in the storage battery side connector 8 for positive and negative. The inner peripheral surface of the terminal hole 61 is formed of a conductor, and the positive and negative terminal 2
At the same time when the two and 23 are fitted, they are electrically connected.
【００１１】更に充電器基板６の表面には充電器回路５
が搭載され、その充電器回路５の負極端子は一方の端の
電池２の負極端子２３と接続する端子孔６１に接続し、
充電器回路５の正極端子はダイオード９のアノードに接
続するように配線されている。そして、ダイオード９の
カソードは他方の端の電池２の正極端子２２と接続する
端子孔６１に接続するように配線されている。充電器基
板６上の配線は、全てプリント配線である。Further, the charger circuit 5 is provided on the surface of the charger substrate 6.
Is mounted, and the negative electrode terminal of the charger circuit 5 is connected to a terminal hole 61 which is connected to the negative electrode terminal 23 of the battery 2 at one end,
The positive terminal of the charger circuit 5 is wired so as to be connected to the anode of the diode 9. The cathode of the diode 9 is wired so as to connect to the terminal hole 61 that connects to the positive terminal 22 of the battery 2 at the other end. The wiring on the charger substrate 6 is all printed wiring.
【００１２】蓄電池セット１を出荷する前又は長期の不
使用時には、蓄電池側コネクタ８と保護回路側コネクタ
７を外し、保護回路基板４を充電器基板６から取り外し
ておく。こうすることにより、電池２から保護回路に電
流が流れることが無く、過放電が防止される。充電器基
板６の端子孔６１と電池２の正負極端子２２、２３とは
連結したままでよい。ダイオード９が電池２から充電器
回路５に向かう電流を阻止するからである。蓄電池セッ
ト１を保管場所以外で使用するときに充電器を置き忘れ
る心配が要らない。Before shipping the storage battery set 1 or when it is not used for a long time, the storage battery side connector 8 and the protection circuit side connector 7 are removed, and the protection circuit board 4 is removed from the charger board 6. By doing so, no current flows from the battery 2 to the protection circuit, and over-discharge is prevented. The terminal hole 61 of the charger substrate 6 and the positive and negative electrode terminals 22 and 23 of the battery 2 may remain connected. This is because the diode 9 blocks the current flowing from the battery 2 to the charger circuit 5. There is no need to worry about leaving the charger when using the storage battery set 1 outside the storage location.
【００１３】そして、蓄電池セット１を使用する際に
は、保護回路側コネクタ７を蓄電池側コネクタ８に差し
込むことにより、保護回路基板４を充電器基板６に取り
付けると同時に保護回路を電池２に接続する。これによ
り、４個の蓄電池からなる組電池として高い電圧を安全
に取り出すことができる。When the storage battery set 1 is used, the protection circuit side connector 7 is inserted into the storage battery side connector 8 to attach the protection circuit board 4 to the charger board 6 and simultaneously connect the protection circuit to the battery 2. To do. As a result, a high voltage can be safely taken out as an assembled battery composed of four storage batteries.
【００１４】[0014]
【発明の効果】以上のように、この発明の蓄電池セット
によれば、電池の過放電が防止されて、寿命の長い蓄電
池が得られる。As described above, according to the storage battery set of the present invention, over-discharge of the battery is prevented, and a storage battery having a long life can be obtained.
【図１】 実施形態の蓄電池セットを示す回路図であ
る。FIG. 1 is a circuit diagram showing a storage battery set of an embodiment.
【図２】 上記蓄電池セットの分解斜視図である。FIG. 2 is an exploded perspective view of the storage battery set.
【図３】 従来の保護回路付き電池を示す回路図であ
る。FIG. 3 is a circuit diagram showing a conventional battery with a protection circuit.
１ 蓄電池セット ２ 蓄電池 ４ 保護回路基板 ６ 充電器基板 ７ 保護回路側コネクタ ８ 蓄電池側コネクタ 1 storage battery set 2 storage battery 4 protection circuit board 6 charger board 7 Protection circuit side connector 8 Battery side connector
Claims (3)
形成された充電器基板と、充電器基板上に蓄電池と接続
するように固定された蓄電池側コネクタと、蓄電池の保
護回路が形成された保護回路基板と、保護回路基板上に
保護回路と接続するように固定された保護回路側コネク
タとを備え、 蓄電池側コネクタと保護回路側コネクタとは互いに着脱
自在に連結可能であって、連結時に保護回路基板が充電
器基板に固定されることを特徴とする充電器回路付き蓄
電池セット。1. A storage battery, a charger substrate on which a charger circuit for charging the storage battery is formed, a storage battery side connector fixed on the charger substrate so as to connect to the storage battery, and a storage battery protection circuit. The protection circuit board and the protection circuit side connector fixed on the protection circuit board so as to be connected to the protection circuit side.The storage battery side connector and the protection circuit side connector are detachably connectable to each other. A storage battery set with a charger circuit, wherein the protection circuit board is sometimes fixed to the charger board.
形成された充電器基板とを備え、 前記蓄電池は一方の面に正負極の両外部端子を有し、前
記充電器基板は充電器回路の蓄電池側端部にそれら外部
端子と連結された端子孔を有し、外部端子と端子孔との
連結により充電器基板が蓄電池に固定されていることを
特徴とする充電器回路付き蓄電池セット。2. A storage battery, and a charger substrate on which a charger circuit for charging the storage battery is formed. The storage battery has both positive and negative external terminals on one surface, and the charger substrate is a charger. A storage battery set with a charger circuit, which has terminal holes connected to the external terminals at the storage battery side end of the circuit, and the charger substrate is fixed to the storage battery by the connection of the external terminals and the terminal holes. .
側に、カソードが蓄電池側に接続されたダイオードを含
む請求項１又は２に記載のセット。3. The set according to claim 1, wherein the charger circuit includes a diode whose anode is connected to the charger circuit side and whose cathode is connected to the storage battery side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001385639A JP3978769B2 (en) | 2001-12-19 | 2001-12-19 | Battery set with charger circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001385639A JP3978769B2 (en) | 2001-12-19 | 2001-12-19 | Battery set with charger circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003187877A true JP2003187877A (en) | 2003-07-04 |
| JP3978769B2 JP3978769B2 (en) | 2007-09-19 |
Family
ID=27594995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001385639A Expired - Fee Related JP3978769B2 (en) | 2001-12-19 | 2001-12-19 | Battery set with charger circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3978769B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012146669A (en) * | 2004-12-24 | 2012-08-02 | Lg Chem Ltd | Separable connecting member for manufacturing secondary battery module and method of improving performance of battery module by leveling voltage |
| KR101303477B1 (en) | 2010-01-26 | 2013-09-05 | 삼성에스디아이 주식회사 | Battery assembly |
| CN104904037A (en) * | 2013-01-07 | 2015-09-09 | Sk新技术株式会社 | Sensing assembly for secondary battery module and secondary battery module provided with sensing assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018830B (en) * | 2019-05-28 | 2022-08-23 | Oppo广东移动通信有限公司 | Charging and discharging system and mobile terminal |
-
2001
- 2001-12-19 JP JP2001385639A patent/JP3978769B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012146669A (en) * | 2004-12-24 | 2012-08-02 | Lg Chem Ltd | Separable connecting member for manufacturing secondary battery module and method of improving performance of battery module by leveling voltage |
| KR101303477B1 (en) | 2010-01-26 | 2013-09-05 | 삼성에스디아이 주식회사 | Battery assembly |
| US8592066B2 (en) | 2010-01-26 | 2013-11-26 | Samsung Sdi Co., Ltd. | Battery assembly |
| CN104904037A (en) * | 2013-01-07 | 2015-09-09 | Sk新技术株式会社 | Sensing assembly for secondary battery module and secondary battery module provided with sensing assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3978769B2 (en) | 2007-09-19 |
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