JPH0538062A - Power supply - Google Patents
Power supplyInfo
- Publication number
- JPH0538062A JPH0538062A JP19032591A JP19032591A JPH0538062A JP H0538062 A JPH0538062 A JP H0538062A JP 19032591 A JP19032591 A JP 19032591A JP 19032591 A JP19032591 A JP 19032591A JP H0538062 A JPH0538062 A JP H0538062A
- Authority
- JP
- Japan
- Prior art keywords
- switch
- adapter
- circuit
- charging
- power supply
- 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.)
- Withdrawn
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は充電式電池パックを使用
した携帯用小型情報処理装置に使用する充電回路を含む
電源回路に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply circuit including a charging circuit used in a small portable information processing device using a rechargeable battery pack.
【０００２】[0002]
【従来の技術】従来の電源回路は、図２に示すように、
ＡＣ入力コンセント１より入力電源の供給を受けて動作
するアダプタ２と、電池パック７を内蔵した携帯用小型
情報処理装置である装置３とがある。アダプタ２と携帯
用小型情報処理装置３とはコネクタ１０又はコネクタ１
１により接続される。2. Description of the Related Art A conventional power supply circuit, as shown in FIG.
There are an adapter 2 which operates by receiving an input power supply from an AC input outlet 1 and a device 3 which is a small portable information processing device having a battery pack 7 built therein. The adapter 2 and the small portable information processing device 3 are connected to the connector 10 or the connector 1.
Connected by 1.
【０００３】コネクタ１０が接続されると、コネクタ１
０に連動して動作するスイッチＳＷ２は“Ａ”−“Ｃ”
間がＯＮし、ＡＣアダプタ回路４よりスイッチＳＷ２、
コネクタ１０の１，２ピンを通して、装置３へＤＣ出力
電圧を供給する。When the connector 10 is connected, the connector 1
Switch SW2 that operates in conjunction with 0 is "A"-"C"
Is turned on, the AC adapter circuit 4 switches SW2,
A DC output voltage is supplied to the device 3 through pins 1 and 2 of the connector 10.
【０００４】装置３を動作させる場合は、ＳＷ１ａをＯ
Ｎし、ＤＣ−ＤＣコンバータ８にて論理回路９へ安定化
した直流電源を供給し、装置３はオペレータの指示に従
い動作を開始する。When the device 3 is operated, SW1a is turned off.
Then, the DC-DC converter 8 supplies the stabilized DC power to the logic circuit 9, and the device 3 starts its operation according to the instruction of the operator.
【０００５】装置３を停止する場合は、スイッチＳＷ１
ａをＯＦＦすると、ＤＣ−ＤＣコンバータ８の入力電源
がなくなる為、論理回路９への安定化電源の供給は出来
なくなり、動作は停止する。When the device 3 is stopped, the switch SW1
When a is turned off, the input power of the DC-DC converter 8 is lost, so that the stabilized power cannot be supplied to the logic circuit 9 and the operation is stopped.
【０００６】電池パック７を充電して、野外で使用した
い場合は、コネクタ１０の接続を外す。スイッチＳＷ２
は“Ｂ”−“Ｃ”間がＯＮし、ＡＣアダプタ４より充電
回路５へ電源が供給され、充電回路５は充電出来る状態
となる。When the battery pack 7 is charged and it is desired to use it outdoors, the connector 10 is disconnected. Switch SW2
Is turned on between "B" and "C", power is supplied from the AC adapter 4 to the charging circuit 5, and the charging circuit 5 is ready for charging.
【０００７】コネクタ１１が接続されると、コネクタ１
１のピン１，２を通し、電池パック７ヘ充電が開始され
る。電池パック７が満充電となると、コネクタ１１の接
続を外し、電源パック７は主電源としていつでも使用出
来る状態になる。When the connector 11 is connected, the connector 1
Through pins 1 and 2 of No. 1, charging to the battery pack 7 is started. When the battery pack 7 is fully charged, the connector 11 is disconnected and the power pack 7 is ready for use as a main power supply.
【０００８】[0008]
【発明が解決しようとする課題】この従来の電源回路で
は、ＡＣアダプタ用コードと充電用コードと２種類のコ
ードがあり、同時に接続された状態にあれば、電池パッ
クへは充電出来ない。この為、操作上のミスに依り電池
が充電不足となり屋外での電池使用による装置使用時間
が短かい障害が時々発生していた。In this conventional power supply circuit, there are two types of cords, an AC adapter cord and a charging cord, and if they are connected at the same time, the battery pack cannot be charged. For this reason, due to operational mistakes, the battery is insufficiently charged, and there has been a problem that the device is used for a short time and the battery is used outdoors.
【０００９】又、アダプタと装置接続インターフェース
が２箇所ある為、操作性が悪い事及び、装置よりＡＣア
ダプタ用コードが出ている為、携帯用小型情報処理装置
としては、デザイン上スマートとは言えない等の問題点
があった。Further, since the adapter and the device connection interface are provided at two places, the operability is poor and the cord for the AC adapter is output from the device, so it can be said that it is smart in design as a portable small information processing device. There were problems such as not being.
【００１０】そこで、本発明の技術的課題は、上記欠点
に鑑み、ＡＣアダプタ使用と充電使用を容易に切替える
と共に操作ミスを防止した電源回路を提供することであ
る。Therefore, in view of the above-mentioned drawbacks, a technical problem of the present invention is to provide a power supply circuit which easily switches between use of an AC adapter and use of a charge and prevents an operation error.
【００１１】[0011]
【課題を解決するための手段】本発明によれば、ＡＣア
ダプタ回路と充電回路とを含むアダプタ部と、充電式電
池部を含む処理部とを有する電源回路において、前記ア
ダプタ部と前記処理部とを、電気的に接続する一種類の
コードで接続してなることを特徴とする電源回路が得ら
れる。According to the present invention, in a power supply circuit having an adapter section including an AC adapter circuit and a charging circuit, and a processing section including a rechargeable battery section, the adapter section and the processing section are provided. There is obtained a power supply circuit characterized in that and are connected by one kind of cord which is electrically connected.
【００１２】又，本発明によれば、前記電源回路におい
て、前記コードを介して、前記ＡＣアダプタ回路と前記
充電回路とからの電源供給を選択するスイッチ部を、前
記処理部に設けたことを特徴とする電源回路が得られ
る。Further, according to the present invention, in the power supply circuit, a switch section for selecting power supply from the AC adapter circuit and the charging circuit via the cord is provided in the processing section. A characteristic power supply circuit is obtained.
【００１３】又、本発明によれば、前記電源回路におい
て、前記スイッチ部は、互いに連動する第１及び第２ス
イッチを有し、前記第１スイッチをＯＮすると前記ＡＣ
アダプタ回路より電源の供給を受けると同時に、第２ス
イッチはＯＦＦし、前記充電式電池部の充電を停止し、
逆に、第１スイッチをＯＦＦすると、処理部は動作を停
止すると同時に第２スイッチはＯＮし、前記充電回路に
て前記充電式電池部の充電を開始することを特徴とする
電源回路が得られる。Further, according to the present invention, in the power supply circuit, the switch section has first and second switches interlocking with each other, and when the first switch is turned on, the AC
At the same time as the power is supplied from the adapter circuit, the second switch is turned off to stop charging the rechargeable battery section,
On the contrary, when the first switch is turned off, the processing section stops its operation, and at the same time, the second switch is turned on and the charging circuit starts charging the rechargeable battery section. .
【００１４】又、本発明によれば、前記電源回路におい
て、前記スイッチ部は、逆流防止用ダイオードを有する
ことを特徴とする電源回路が得られる。Further, according to the present invention, in the power supply circuit, the switch section has a backflow prevention diode, and a power supply circuit is obtained.
【００１５】すなわち、本発明の電源回路はＡＣアダプ
タ用コードと充電用コードとを一体化してアダプタ側に
持ち、装置の電源スイッチと連動して動作する第２のス
イッチを充電回路と電池パック間に接続し、ＡＣアダプ
タ回路と装置の電源回路の間へ逆流防止用ダイオードを
備えている。That is, in the power supply circuit of the present invention, the AC adapter cord and the charging cord are integrated and held on the adapter side, and the second switch that operates in conjunction with the power switch of the device is provided between the charging circuit and the battery pack. And a diode for preventing backflow between the AC adapter circuit and the power supply circuit of the apparatus.
【００１６】[0016]
【実施例】次に発明の実施例について図面を参照して説
明する。Embodiments of the present invention will now be described with reference to the drawings.
【００１７】図１に示すように、コネクタ６によりアダ
プタ２と装置３が接続されており、ＡＣ入力コンセント
１から入力電源が供給される。ＡＣアダプタ回路４より
充電回路５へ電源は供給され、コネクタ６の２，３ピン
よりスイッチＳＷ１ｂを通して、電池パック７の充電が
開始される。充電回路５は急速充電方式であり、電池パ
ック７が満充電になるとトリクル充電に切替わる。As shown in FIG. 1, an adapter 2 and a device 3 are connected by a connector 6, and input power is supplied from an AC input outlet 1. Power is supplied from the AC adapter circuit 4 to the charging circuit 5, and charging of the battery pack 7 is started from pins 2 and 3 of the connector 6 through the switch SW1b. The charging circuit 5 is of a quick charging type, and switches to trickle charging when the battery pack 7 is fully charged.
【００１８】電池パック７の充電途中において、装置３
をその状態で直ぐ使用したい時は、コネクタ６を外ず、
スイッチＳＷ１ａをＯＮすると、スイッチＳＷ１ｂは連
動してＯＦＦに動き、充電は中断される。ＡＣアダプタ
回路４よりコネクタ６の１，３ピンよりダイオードＤ
１、スイッチＳＷ１ａの通しＤＣ−ＤＣコンバータ８へ
電源が供給され、論理回路９へ直流安定化電源が供給さ
れ、オペレータの指示に従い装置３が動作を開始する。
なお、装置３の使用を終了する時はスイッチＳＷ１ａを
ＯＦＦすると、スイッチＳＷ１ａと連動するスイッチＳ
Ｗ１ｂはＯＮし、再び電池パック７の充電が再開され
る。During charging of the battery pack 7, the device 3
If you want to use it in that state immediately, do not remove the connector 6,
When the switch SW1a is turned on, the switch SW1b is interlocked and turned off, and charging is interrupted. From the AC adapter circuit 4 to the diode D from pins 1 and 3 of the connector 6
1, the power is supplied to the DC-DC converter 8 through the switch SW1a, the DC stabilized power is supplied to the logic circuit 9, and the device 3 starts operating according to the instruction of the operator.
In addition, when the switch SW1a is turned off when the use of the device 3 is finished, the switch S that is interlocked with the switch SW1a is operated.
W1b is turned on, and charging of the battery pack 7 is restarted.
【００１９】ダイオードＤ１はアダプタ入力コンセント
１切断時又は電池パック充電時の逆流防止用ダイオード
である。The diode D1 is a backflow preventing diode when the adapter input outlet 1 is disconnected or when the battery pack is charged.
【００２０】ダイオードＤ２は電池パックショート時の
異常充電防止用ダイオードである。電池パック７は満充
電され、屋外で主電源として使用する場合は、コネクタ
６を外し、スイッチＳＷ１ａのＯＮにて装置３は動作を
開始する。The diode D2 is a diode for preventing abnormal charging when the battery pack is short-circuited. When the battery pack 7 is fully charged and is used as a main power source outdoors, the connector 6 is removed and the switch SW1a is turned on to start the device 3 operation.
【００２１】ＡＣアダプタ回路４はＤＣ−ＤＣコンバー
タ８がある為、出力安定精度は悪くてもよく、ＤＣ−Ｄ
Ｃコンバータ８及び充電回路５が動作出来る程度でよ
い。電池パック７が満充電状態において、充電回路５は
スイッチＳＷ１ｂが再び閉じた場合、電池パック７に定
電流で急速充電を開始する。Since the AC adapter circuit 4 has the DC-DC converter 8, the output stability accuracy may be poor.
It is sufficient that the C converter 8 and the charging circuit 5 can operate. When the battery pack 7 is fully charged and the switch SW1b is closed again, the charging circuit 5 starts rapid charging of the battery pack 7 with a constant current.
【００２２】電池パック７はニッケル・カドミウム蓄電
池であり、満充電による電気特性として、電池電圧が低
下する現象が生じる。The battery pack 7 is a nickel-cadmium storage battery, and a phenomenon in which the battery voltage drops occurs as a result of full charge.
【００２３】この現象を満充電状態として検知し、急速
充電を停止させその後、電池の補充電をする為、小電流
によるトリクル充電に切替わる充電回路であり、この
為、満充電状態の電池パック７に繰返しスイッチ１ｂが
投入／切断されても、過充電による電池劣化は防止出来
る充電回路５である。The charging circuit detects this phenomenon as a fully charged state, stops the rapid charging, and then switches to trickle charging with a small current for supplementary charging of the battery. Therefore, the fully charged battery pack is used. Even if the switch 1b is repeatedly turned on / off at 7, the charging circuit 5 can prevent battery deterioration due to overcharge.
【００２４】アダプタ２は装置３のスイッチＳＷ１ａ，
ＳＷ１ｂにより、ＡＣアダプタ回路４から電源供給する
か、充電回路５より電池パック７を充電するか選択され
る。この選択がスイッチ１個により切替わる為、非常に
操作性が改善されると共に、アダプタ２と装置３を接続
するコネクタ６のみ１個にすることに依り、小型化及び
原価低減等にも有利である。The adapter 2 is a switch SW1a of the device 3,
SW1b selects whether power is supplied from the AC adapter circuit 4 or the battery pack 7 is charged by the charging circuit 5. Since this selection is switched by one switch, the operability is greatly improved, and only one connector 6 connecting the adapter 2 and the device 3 is provided, which is advantageous for downsizing and cost reduction. is there.
【００２５】[0025]
【発明の効果】以上説明したように本発明は、ＡＣアダ
プタ用コードと充電用コードを一体化し装置のメインス
イッチと充電用スイッチを連動させることにより、ＡＣ
アダプタ回路のＯＮ／ＯＦＦ及び電池パックの充電のＯ
Ｎ／ＯＦＦが、一回のスイッチ操作によりスムーズに切
替わる為、操作性が向上し、従来の問題となっていた操
作ミスによる電池パックの充電不足の為、電池途中切れ
の問題もなくなる。As described above, according to the present invention, the AC adapter cord and the charging cord are integrated and the main switch and the charging switch of the apparatus are interlocked with each other, so that the AC
ON / OFF of the adapter circuit and O for charging the battery pack
Since N / OFF is smoothly switched by one switch operation, operability is improved, and there is no problem of running out of battery due to insufficient charging of the battery pack due to operation mistake, which has been a conventional problem.
【００２６】又インターフェースをケーブル１本化しア
ダプタ側に持たせた事により、装置の小型化、デザイン
性からもスマートになる等の効果を有する。Further, by providing a single cable for the interface and providing it on the adapter side, there are effects such as downsizing of the device and a smart design.
【図１】本発明の一実施例の回路図FIG. 1 is a circuit diagram of an embodiment of the present invention.
【図２】従来の回路図FIG. 2 Conventional circuit diagram
１ ＡＣ入力コンセント ２ アダプタ ３ 装置 ４ ＡＣアダプタ回路 ５ 充電回路 ６，１０，１１ コネクタ ７ 電池パック ８ ＤＣ−ＤＣコンバータ ９ 論理回路 Ｄ１，Ｄ２ ダイオード ＳＷ１ａ，ＳＷ１ｂ，ＳＷ２ スイッチ 1 AC input outlet 2 adapter 3 devices 4 AC adapter circuit 5 charging circuit 6,10,11 connector 7 battery pack 8 DC-DC converter 9 logic circuits D1, D2 diode SW1a, SW1b, SW2 switches
Claims (4)
ダプタ部と、充電式電池部を含む処理部とを有する電源
回路において、 前記アダプタ部と前記処理部とを、電気的に接続する一
種類のコードで接続してなることを特徴とする電源回
路。1. A power supply circuit having an adapter unit including an AC adapter circuit and a charging circuit, and a processing unit including a rechargeable battery unit. One type for electrically connecting the adapter unit and the processing unit. Power supply circuit characterized by connecting with the cord of.
コードを介して、前記ＡＣアダプタ回路と前記充電回路
とからの電源供給を選択するスイッチ部を、前記処理部
に設けたことを特徴とする電源回路。2. The power supply circuit according to claim 1, wherein the processing unit is provided with a switch unit for selecting power supply from the AC adapter circuit and the charging circuit via the cord. Power supply circuit.
スイッチ部は、互いに連動する第１及び第２スイッチを
有し、前記第１スイッチをＯＮすると前記ＡＣアダプタ
回路より電源の供給を受けると同時に、第２スイッチは
ＯＦＦし、前記充電式電池部の充電を停止し、逆に、第
１スイッチをＯＦＦすると、処理部は動作を停止すると
同時に第２スイッチはＯＮし、前記充電回路にて前記充
電式電池部の充電を開始することを特徴とする電源回
路。3. The power supply circuit according to claim 2, wherein the switch section has first and second switches interlocking with each other, and when the first switch is turned on, power is supplied from the AC adapter circuit. At the same time, the second switch is turned off to stop the charging of the rechargeable battery section, and conversely, when the first switch is turned off, the processing section stops its operation and at the same time the second switch is turned on and A power supply circuit, which starts charging of the rechargeable battery unit.
スイッチ部は、逆流防止用ダイオードを有することを特
徴とする電源回路。4. The power supply circuit according to claim 3, wherein the switch section includes a backflow prevention diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19032591A JPH0538062A (en) | 1991-07-30 | 1991-07-30 | Power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19032591A JPH0538062A (en) | 1991-07-30 | 1991-07-30 | Power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0538062A true JPH0538062A (en) | 1993-02-12 |
Family
ID=16256307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19032591A Withdrawn JPH0538062A (en) | 1991-07-30 | 1991-07-30 | Power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0538062A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09272020A (en) * | 1995-12-11 | 1997-10-21 | Charmilles Technol Sa | Manufacture of wire with brass surface for wire-cut electric discharge machining |
| KR20020055732A (en) * | 2000-12-29 | 2002-07-10 | 이형도 | Protection using switching diode |
| US7958980B2 (en) | 2004-07-01 | 2011-06-14 | Yanmar Co., Ltd. | Protection device for cylinder |
| JP2012010441A (en) * | 2010-06-22 | 2012-01-12 | Nec Aerospace Syst Ltd | Portable terminal |
-
1991
- 1991-07-30 JP JP19032591A patent/JPH0538062A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09272020A (en) * | 1995-12-11 | 1997-10-21 | Charmilles Technol Sa | Manufacture of wire with brass surface for wire-cut electric discharge machining |
| KR20020055732A (en) * | 2000-12-29 | 2002-07-10 | 이형도 | Protection using switching diode |
| US7958980B2 (en) | 2004-07-01 | 2011-06-14 | Yanmar Co., Ltd. | Protection device for cylinder |
| JP2012010441A (en) * | 2010-06-22 | 2012-01-12 | Nec Aerospace Syst Ltd | Portable terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19981008 |