JPH04349370A - Discharge adapter for pack battery - Google Patents
Discharge adapter for pack batteryInfo
- Publication number
- JPH04349370A JPH04349370A JP3154820A JP15482091A JPH04349370A JP H04349370 A JPH04349370 A JP H04349370A JP 3154820 A JP3154820 A JP 3154820A JP 15482091 A JP15482091 A JP 15482091A JP H04349370 A JPH04349370 A JP H04349370A
- Authority
- JP
- Japan
- Prior art keywords
- battery pack
- battery
- charger
- voltage
- discharge
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 36
- 229910003307 Ni-Cd Inorganic materials 0.000 claims description 8
- 230000006870 function Effects 0.000 description 9
- 230000003446 memory effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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
Landscapes
- Secondary Cells (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、Ｎｉ−Ｃｄ電池等の充
電式電池を備えたパック電池と、充電器との間に介在す
るパック電池の放電用アダプターに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery pack equipped with a rechargeable battery such as a Ni--Cd battery and an adapter for discharging the battery pack, which is interposed between a charger and a battery pack.
【０００２】0002
【従来の技術】一般に、Ｎｉ−Ｃｄ電池は浅い充放電サ
イクルを繰り返した後に深い放電を行うと、放電時の電
圧が２段落ちするという所謂メモリー効果と呼ばれる現
象が起こることが知られている。従って、各種電池機器
の電源として使用したＮｉ−Ｃｄ電池に前記メモリー効
果が生じた場合、機器の動作中に前記Ｎｉ−Ｃｄ電池の
作動電圧が２段落ちして機器の駆動電圧を下回ると、突
然機器の動作が停止してしまうといった不具合が起こる
。[Prior Art] Generally, it is known that when a Ni-Cd battery is deeply discharged after repeated shallow charge/discharge cycles, a phenomenon called the so-called memory effect occurs, in which the voltage during discharge drops by two steps. . Therefore, if the memory effect occurs in a Ni-Cd battery used as a power source for various battery devices, if the operating voltage of the Ni-Cd battery drops by two steps and falls below the driving voltage of the device while the device is operating, Problems such as equipment suddenly stopping operating may occur.
【０００３】このようなメモリー効果を解消するために
は、１〜２回の完全放電を行えばよいことも既に知られ
ており、充放電時に適度に深い放電を行うことが望まし
い。[0003] It is already known that in order to eliminate such a memory effect, it is sufficient to perform one or two complete discharges, and it is desirable to perform a moderately deep discharge during charging and discharging.
【０００４】さて、このメモリー効果を解消する機器と
して、例えば特開昭６２−１９３５１７号公報に開示さ
れているものがあるが、この場合、充電器にメモリー効
果解消用の放電機能を備え、セットされた二次電池を一
旦放電してから充電を行うようにしたものであり、放電
機能を備えた分だけ機器自身が高価になってしまうとい
う欠点がある。Now, there is a device that eliminates this memory effect, for example, as disclosed in Japanese Patent Laid-Open No. 193517/1982.In this case, the charger is equipped with a discharging function to eliminate the memory effect, and the set The secondary battery is discharged once and then charged, and the drawback is that the device itself becomes more expensive due to the discharging function.
【０００５】一方、別途放電手段により放電を行った後
、放電機能を持たない充電器等により充電を行う場合に
は、操作手間がかかって煩わしいという懸念がある。On the other hand, when charging is performed using a charger or the like that does not have a discharging function after discharging using a separate discharging means, there is a concern that the operation is time-consuming and cumbersome.
【０００６】[0006]
【発明が解決しようとする課題】本発明はかかる事情に
鑑みたものであり、放電機能を持たない充電器に簡単に
組み合わせることができ、手間がかからずに放電し、そ
の後自動的に充電することを可能にした放電用アダプタ
ーを提供するものである。[Problems to be Solved by the Invention] The present invention has been made in view of the above circumstances, and has an object that can be easily combined with a charger that does not have a discharging function, discharges the battery without any trouble, and then automatically charges the battery. The present invention provides a discharge adapter that makes it possible to
【０００７】[0007]
【課題を解決するための手段】Ｎｉ−Ｃｄ電池等の充電
式電池を備えたパック電池と充電器とに接続されるパッ
ク電池の放電用アダプタ−であって、前記パック電池の
放電手段と、パック電池の電圧検出手段と、この電圧検
出手段により検出されたパック電池の電圧が所定値以上
の時、パック電池を前記放電手段に接続すると共に、パ
ック電池の電圧が所定値以下の時、パック電池を前記充
電器に接続する切り替えスイッチ手段とを備える。[Means for Solving the Problems] A battery pack discharging adapter connected to a battery pack equipped with a rechargeable battery such as a Ni-Cd battery and a charger, the adapter comprising: a means for discharging the battery pack; When the voltage of the battery pack detected by the voltage detection means is above a predetermined value, the battery pack is connected to the discharging means, and when the voltage of the battery pack is below the predetermined value, the battery pack is connected to the discharging means. and changeover switch means for connecting the battery to the charger.
【０００８】またこの放電用アダプタ−は、互いに電気
接続された第１ハウジングと第２ハウジングとを備え、
第１ハウジングには前記電圧検出手段と切り替えスイッ
チ手段とを内蔵し、一方第２ハウジングには前記放電手
段を内蔵し、第１ハウジングのみをパック電池と充電器
との間に介在させる。[0008] This discharge adapter also includes a first housing and a second housing that are electrically connected to each other,
The first housing contains the voltage detecting means and the changeover switch means, while the second housing contains the discharging means, and only the first housing is interposed between the battery pack and the charger.
【０００９】[0009]
【作用】本発明によるパック電池の放電用アダプターは
、Ｎｉ−Ｃｄ電池等の充電式電池を備えたパック電池と
充電器との間に介在するように構成しているので、放電
機能を持たない充電器に簡単に組み合わせることができ
る。[Function] The adapter for discharging a battery pack according to the present invention is configured to be interposed between a battery pack equipped with a rechargeable battery such as a Ni-Cd battery and a charger, so it does not have a discharging function. Can be easily combined with a charger.
【００１０】また、電圧検出手段がパック電池の電圧を
検出し、パック電池の電圧が所定値以下の時、切り替え
スイッチ手段はパック電池を充電器に接続し、その結果
、パック電池は充電器によりそのまま充電される。一方
、所定値以上の時、切り替えスイッチ手段はパック電池
を放電手段に接続する。その結果、パック電池は放電手
段により放電され、やがてパック電池の電圧が所定値以
下になると、パック電池は充電器に切り替え接続され、
パック電池は自動的に充電が開始される。Further, the voltage detection means detects the voltage of the battery pack, and when the voltage of the battery pack is less than a predetermined value, the changeover switch means connects the battery pack to the charger, and as a result, the battery pack is connected to the charger. It will be charged as is. On the other hand, when the voltage exceeds a predetermined value, the changeover switch means connects the battery pack to the discharge means. As a result, the battery pack is discharged by the discharging means, and when the voltage of the battery pack eventually falls below a predetermined value, the battery pack is switched and connected to the charger.
The pack battery will automatically start charging.
【００１１】ところで、前記放電手段は通電時にジュー
ル熱等により発熱するが、この熱が電池に伝達されて電
池自身の温度が上昇したり、電池の周囲温度が上昇する
と、充電時に適切な充電ができなかったり、また電池寿
命を低下させたりすることがある。このため本発明は、
放電手段を、電池と直接接触しないように配置している
ので、電池に熱的影響を与えることがない。By the way, the discharging means generates heat due to Joule heat etc. when energized, and if this heat is transferred to the battery and the temperature of the battery itself rises or the ambient temperature of the battery rises, proper charging may not be achieved during charging. This may not be possible or may shorten battery life. For this reason, the present invention
Since the discharging means is arranged so as not to come into direct contact with the battery, there is no thermal influence on the battery.
【００１２】0012
【実施例】以下本発明の実施例を図面に基づき詳述する
。図１及び図２は本発明の第１実施例を示している。
これらの図において、１は本発明の放電用アダプターで
あり、複数のＮｉ−Ｃｄ電池が内蔵されたパック電池２
と充電器３との間に介在するようになっている。即ち、
パック電池２に形成された係合孔４と、充電器３に形成
された係合突起５とに夫々スライド装着する係合突起６
と係合孔７とを備えている。また、パック電池２に形成
された端子（図示せず）と、充電器３に形成された充電
接点８とに夫々接触する端子９がアダプター１の両面に
設けられている（充電器側の端子は図示せず）。DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples of the present invention will be described below in detail with reference to the drawings. 1 and 2 show a first embodiment of the invention. In these figures, 1 is a discharge adapter of the present invention, and a battery pack 2 includes a plurality of Ni-Cd batteries.
and the charger 3. That is,
Engagement protrusions 6 that slide into engagement holes 4 formed on the battery pack 2 and engagement protrusions 5 formed on the charger 3, respectively.
and an engagement hole 7. Additionally, terminals 9 are provided on both sides of the adapter 1 to contact terminals (not shown) formed on the battery pack 2 and charging contacts 8 formed on the charger 3 (terminals on the charger side). (not shown).
【００１３】放電用アダプター１はその内部に放電用抵
抗１０と、パック電池の電圧検出手段１１と、パック電
池を前記充電器３と前記放電用抵抗１０とに選択的に接
続を切り替えるスイッチ手段１２とを備えている。この
スイッチ手段１２は前記電圧検出手段１１の出力に連動
しており、パック電池の所定電圧を検出した時に切り替
え制御するようになっている。また、充電器３は放電機
能を持たないものである。The discharging adapter 1 includes a discharging resistor 10, a battery pack voltage detection means 11, and a switch means 12 for selectively connecting the battery pack to the charger 3 and the discharging resistor 10. It is equipped with This switch means 12 is linked to the output of the voltage detection means 11, and is configured to perform switching control when a predetermined voltage of the battery pack is detected. Further, the charger 3 does not have a discharging function.
【００１４】以上のような構成において、充電器３を商
用交流に接続すると共に、アダプター１をパック電池２
と充電器３との間に介在させると、前記電圧検出手段１
１はパック電池２の電圧を検出する。パック電池２の電
圧が所定値以下の時、即ち放電が十分に深い時、スイッ
チ手段１２はパック電池２を充電器３に接続し、パック
電池２はそのまま充電される。In the above configuration, the charger 3 is connected to a commercial alternating current, and the adapter 1 is connected to the battery pack 2.
and the charger 3, the voltage detection means 1
1 detects the voltage of the battery pack 2. When the voltage of the battery pack 2 is below a predetermined value, that is, when the discharge is sufficiently deep, the switch means 12 connects the battery pack 2 to the charger 3, and the battery pack 2 is directly charged.
【００１５】一方、パック電池２の電圧が所定値以上の
時、即ち放電が浅い時、スイッチ手段１２はパック電池
２を放電用抵抗１０に接続し、パック電池２は放電用抵
抗１０により放電される。やがてパック電池２の電圧が
所定値以下になると、前記スイッチ手段１２はパック電
池２を充電器３に切り替え接続し、パック電池２は自動
的に充電が開始される。On the other hand, when the voltage of the battery pack 2 is above a predetermined value, that is, when the discharge is shallow, the switch means 12 connects the battery pack 2 to the discharging resistor 10, and the battery pack 2 is discharged by the discharging resistor 10. Ru. When the voltage of the battery pack 2 eventually falls below a predetermined value, the switch means 12 switches and connects the battery pack 2 to the charger 3, and charging of the battery pack 2 is automatically started.
【００１６】また図４は本発明の第２実施例であり、放
電用アダプター１は第１ハウジング１３と、第２ハウジ
ング１４とで構成されている。第１ハウジング１３は電
圧検出手段１１とスイッチ手段１２とを備え、パック電
池２と充電器３との間に介在されている。一方第２ハウ
ジング１４は放電用抵抗１０を備え、パック電池２と充
電器３との間に介在されない。また第１ハウジング１３
と第２ハウジング１４とは接続コード１５により電気接
続されている。このため、パック電池２の放電時に放電
用抵抗１０が発熱してもパック電池２に熱的影響を与え
ることはなく、その結果、充電時に悪影響を与えたり、
電池寿命を低下させるようなことはない。FIG. 4 shows a second embodiment of the present invention, in which the discharge adapter 1 is composed of a first housing 13 and a second housing 14. The first housing 13 includes a voltage detection means 11 and a switch means 12, and is interposed between the battery pack 2 and the charger 3. On the other hand, the second housing 14 includes the discharging resistor 10 and is not interposed between the battery pack 2 and the charger 3. Also, the first housing 13
and the second housing 14 are electrically connected by a connection cord 15. Therefore, even if the discharging resistor 10 generates heat during discharging of the battery pack 2, it will not have a thermal effect on the battery pack 2, and as a result, it will not adversely affect the battery pack 2 during charging.
It does not reduce battery life.
【００１７】また１６は動作状態を表示するＬＥＤ、１
７はスタートスイッチである。一方、放電用アダプター
の不使用時は第１ハウジング１３が第２ハウジング１４
の凹所１８内に収納されるようになっている。Further, 16 is an LED for displaying the operating status;
7 is a start switch. On the other hand, when the discharge adapter is not used, the first housing 13 is connected to the second housing 14.
It is adapted to be housed in a recess 18 of.
【００１８】なお本実施例においては、前記パック電池
２の公称電圧は６Ｖであり、前記電圧検出手段１１の所
定値はパック電池が十分に深い放電状態となる５．１Ｖ
に設定されている。In this embodiment, the nominal voltage of the battery pack 2 is 6V, and the predetermined value of the voltage detecting means 11 is 5.1V, which brings the battery pack into a sufficiently deep discharge state.
is set to .
【００１９】[0019]
【発明の効果】以上のように本発明によるパック電池の
放電用アダプターは、Ｎｉ−Ｃｄ電池等の充電式電池を
備えたパック電池と充電器との間に介在するように構成
しているので、放電機能を持たない充電器に簡単に組み
合わせることができる。[Effects of the Invention] As described above, the battery pack discharging adapter according to the present invention is configured to be interposed between a battery pack equipped with a rechargeable battery such as a Ni-Cd battery and a charger. , can be easily combined with a charger that does not have a discharge function.
【００２０】また、電圧検出手段がパック電池の電圧を
検出し、パック電池の電圧が所定値以下の時、切り替え
スイッチ手段はパック電池を充電器に接続し、その結果
、パック電池は充電器によりそのまま充電される。一方
、所定値以上の時、切り替えスイッチ手段はパック電池
を放電手段に接続する。その結果、パック電池は放電手
段により放電され、やがてパック電池の電圧が所定値以
下になると、パック電池は充電器に切り替え接続され、
パック電池は自動的に充電が開始される。従って、放電
機能を持たない充電器等により充電を行う場合にも、操
作手間がかからず、簡単に放電できてメモリー効果を解
消することができる。Further, the voltage detection means detects the voltage of the battery pack, and when the voltage of the battery pack is less than a predetermined value, the changeover switch means connects the battery pack to the charger, and as a result, the battery pack is connected to the charger. It will be charged as is. On the other hand, when the voltage exceeds a predetermined value, the changeover switch means connects the battery pack to the discharge means. As a result, the battery pack is discharged by the discharging means, and when the voltage of the battery pack eventually falls below a predetermined value, the battery pack is switched and connected to the charger.
The pack battery will automatically start charging. Therefore, even when charging is performed using a charger or the like that does not have a discharging function, the battery can be easily discharged without requiring any operational effort, and the memory effect can be eliminated.
【００２１】さらにまた本発明によれば、電圧検出手段
と切り替えスイッチ手段とを備えた第１ハウジングと、
放電手段を備えた第２ハウジングとより構成し、第１ハ
ウジングのみをパック電池と充電器との間に介在させた
ものであるから、放電時の放電手段の発熱が電池に伝達
されることはなく、充電時に悪影響を与えたり、電池寿
命を低下させたりすることがない。Furthermore, according to the present invention, the first housing includes a voltage detection means and a changeover switch means;
Since the second housing includes a discharging means and only the first housing is interposed between the battery pack and the charger, the heat generated by the discharging means during discharging is not transmitted to the battery. There is no negative impact on charging or shortening of battery life.
【図１】パック電池と充電器との着脱説明図である。FIG. 1 is an explanatory diagram of attaching and detaching a battery pack and a charger.
【図２】ブロック回路図である。FIG. 2 is a block circuit diagram.
【図３】フローチャートである。FIG. 3 is a flowchart.
【図４】他の実施例を示すパック電池と充電器との着脱
説明図である。FIG. 4 is an explanatory diagram for attaching and detaching a battery pack and a charger according to another embodiment.
１ 放電用アダプタ− ２ パック電池 ３ 充電器 １０ 放電用抵抗 １１ 電圧検出手段 １２ スイッチ手段 １３ 第１ハウジング １４ 第２ハウジング 1 Discharge adapter 2 Pack battery 3 Charger 10 Discharge resistor 11 Voltage detection means 12 Switch means 13 First housing 14 Second housing
Claims (2)
ック電池と充電器とに接続されるパック電池の放電用ア
ダプタ−であって、前記パック電池の放電手段と、パッ
ク電池の電圧検出手段と、この電圧検出手段により検出
されたパック電池の電圧が所定値以上の時、パック電池
を前記放電手段に接続すると共に、パック電池の電圧が
所定値以下の時、パック電池を前記充電器に接続する切
り替えスイッチ手段とを備えたことを特徴とするパック
電池の放電用アダプター。1. A battery pack discharge adapter that is connected to a battery pack equipped with a rechargeable battery such as a Ni-Cd battery and a charger, the adapter comprising: a discharge means for the battery pack, and a voltage of the battery pack. When the voltage of the battery pack detected by the detection means and the voltage detection means is above a predetermined value, the battery pack is connected to the discharging means, and when the voltage of the battery pack is below the predetermined value, the battery pack is charged. An adapter for discharging a pack battery, characterized in that it is equipped with a changeover switch means for connecting to a battery pack.
２ハウジングとを備え、第１ハウジングには前記電圧検
出手段と切り替えスイッチ手段とを内蔵し、一方第２ハ
ウジングには前記放電手段を内蔵し、第１ハウジングの
みをパック電池と充電器との間に介在させたことを特徴
とする前記請求項１記載のパック電池の放電用アダプタ
ー。2. A first housing and a second housing electrically connected to each other, the first housing housing the voltage detection means and the changeover switch means, and the second housing housing the discharge means. 2. The adapter for discharging a battery pack according to claim 1, wherein only the first housing is interposed between the battery pack and the charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3154820A JPH04349370A (en) | 1990-09-20 | 1991-06-26 | Discharge adapter for pack battery |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2-252353 | 1990-09-20 | ||
| JP25235390 | 1990-09-20 | ||
| JP3154820A JPH04349370A (en) | 1990-09-20 | 1991-06-26 | Discharge adapter for pack battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04349370A true JPH04349370A (en) | 1992-12-03 |
Family
ID=26482993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3154820A Pending JPH04349370A (en) | 1990-09-20 | 1991-06-26 | Discharge adapter for pack battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04349370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012050210A1 (en) * | 2010-10-15 | 2012-04-19 | 三洋電機株式会社 | Electricity storage system and control device |
-
1991
- 1991-06-26 JP JP3154820A patent/JPH04349370A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012050210A1 (en) * | 2010-10-15 | 2012-04-19 | 三洋電機株式会社 | Electricity storage system and control device |
| US8649138B2 (en) | 2010-10-15 | 2014-02-11 | Sanyo Electric Co., Ltd. | Electricity storage system and control device |
| US8958188B2 (en) | 2010-10-15 | 2015-02-17 | Sanyo Electric Co., Ltd. | Electricity storage system and control device |
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