JPH0522874A - Portable type data processor - Google Patents
Portable type data processorInfo
- Publication number
- JPH0522874A JPH0522874A JP3166067A JP16606791A JPH0522874A JP H0522874 A JPH0522874 A JP H0522874A JP 3166067 A JP3166067 A JP 3166067A JP 16606791 A JP16606791 A JP 16606791A JP H0522874 A JPH0522874 A JP H0522874A
- Authority
- JP
- Japan
- Prior art keywords
- charging
- switch
- turned
- storage battery
- power
- 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
- 238000010586 diagram Methods 0.000 description 2
- 229910003307 Ni-Cd Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Power Sources (AREA)
- Calculators And Similar Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は携帯型データ処理装置に
関し、特に、電源制御回路に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable data processing device, and more particularly to a power supply control circuit.
【０００２】[0002]
【従来の技術】従来の携帯型データ処理装置は、充電中
に装置の電源をオンすることができる。2. Description of the Related Art A conventional portable data processing device can be turned on while charging.
【０００３】[0003]
【発明が解決しようとする課題】上述した従来の携帯型
データ処理装置では、充電中に装置の電源がオンできて
しまうため、蓄電池のＮｉ―Ｃｄ電池などで−ΔＶ方式
で充電完了を検出する充電器においては、充電中の電源
オンによる電圧降下を充電完了として誤検出してしまい
充電が正しく行なわれない場合があるという問題があ
る。In the above-mentioned conventional portable data processing device, the power of the device can be turned on during charging, so that the completion of charging is detected by the -ΔV method using a Ni-Cd battery as a storage battery. In the charger, there is a problem that a voltage drop due to power-on during charging is erroneously detected as completion of charging and charging may not be performed properly.
【０００４】[0004]
【課題を解決するための手段】本発明の携帯型データ処
理装置は、蓄電池と、充電のために外部と接続するため
の接続手段と、その接続手段と蓄電池の間に接続された
駆動回路により制御されるノーマリーオンのリレーと電
源制御部を具備することを特徴とする。A portable data processing device of the present invention comprises a storage battery, connecting means for connecting to the outside for charging, and a drive circuit connected between the connecting means and the storage battery. It is characterized by comprising a normally-on controlled relay and a power supply control unit.
【０００５】本発明の携帯型データ処理装置は、充電口
に充電器が接続されていない場合は駆動部は電流が流れ
ないのでスイッチ部はオンの状態であり、蓄電池の電圧
は電源制御部に加わっており電源スイッチにより常時電
源オン可能であり、前記充電口に充電器が接続されてい
て充電が開始され前記駆動部は充電電流によりアクティ
ブとなりノーマリーコネクトのスイッチ部はスイッチオ
フとなることにより前記電源制御部へ前記蓄電池の電圧
は印加されないので前記電源スイッチでの電源オンは不
可となり、トリクル充電中は前記駆動部はインアクティ
ブとなり前記スイッチ部はオンの状態となるように構成
したことを特徴とする。In the portable data processing device of the present invention, when the charger is not connected to the charging port, no current flows through the drive unit, so the switch unit is in the ON state and the voltage of the storage battery is supplied to the power supply control unit. In addition, it is possible to always turn on the power by the power switch, charging is started with the charger connected to the charging port, the drive unit becomes active by the charging current, and the normally connect switch unit is switched off. Since the voltage of the storage battery is not applied to the power control unit, the power switch cannot be turned on, and the drive unit is inactive and the switch unit is turned on during trickle charging. Characterize.
【０００６】[0006]
【実施例】次に、本発明について図面を参照して説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings.
【０００７】図１は本発明の一実施例のブロック図であ
る。この携帯型データ処理装置は、蓄電池１と、充電口
２と、駆動部３１およびスイッチ部３２を有するリレー
３と、電源制御部４と、電源スイッチ５と、データ処理
回路６とを具備する。FIG. 1 is a block diagram of an embodiment of the present invention. This portable data processing device includes a storage battery 1, a charging port 2, a relay 3 having a drive unit 31 and a switch unit 32, a power supply control unit 4, a power supply switch 5, and a data processing circuit 6.
【０００８】充電口２に充電器が接続されていない場合
は駆動部３１は電流が流れないのでスイッチ部３２はオ
ンの状態であり、蓄電池１の電圧は電源制御部４に加わ
っており電源スイッチ５により常時電源オン可能であ
る。When the charger is not connected to the charging port 2, no current flows through the drive unit 31, so the switch unit 32 is in the ON state, and the voltage of the storage battery 1 is applied to the power supply control unit 4 and the power switch. 5, the power can be turned on at all times.
【０００９】充電口２に充電器が接続されていて充電が
開始され駆動部３１は充電電流によりアクティブとなり
スイッチ部３２（ノーマリーコネクト）はスイッチオフ
となる。これにより電源制御部へ蓄電池１の電圧は印加
されないので電源スイッチでの電源オンは不可となる。When a charger is connected to the charging port 2 and charging is started, the driving unit 31 is activated by the charging current and the switch unit 32 (normally connect) is switched off. As a result, the voltage of the storage battery 1 is not applied to the power control unit, so that the power switch cannot turn on the power.
【００１０】充電が完了したときはトリクル充電を行な
っているのであるが、この電流は充電中の充電電流の１
／５０〜１／３０であり、この電流の差を考慮してリレ
ーの駆動部の動作電流を選択すればトリクル充電中は駆
動部３１はインアクティブとなりスイッチ部３２はオン
の状態となる。When charging is completed, trickle charging is being performed, and this current is 1 of the charging current during charging.
/ 50 to 1/30, and if the operating current of the drive unit of the relay is selected in consideration of this difference in current, the drive unit 31 becomes inactive and the switch unit 32 is turned on during trickle charging.
【００１１】このように充電中は電源オンができない
が、充電完了後は電源オンが可能となる。As described above, the power cannot be turned on during charging, but the power can be turned on after completion of charging.
【００１２】[0012]
【発明の効果】以上説明したように、本発明は、充電口
より供給される充電電流により駆動部が動作し電源制御
回路と蓄電池の間に設けられたリレースイッチ部（ノー
マリーオン）がオフとなり電源制御回路を始めとする回
路への電源供給を断つことにより充電中は電源オンが禁
止されることにより−ΔＶによる電池の充電の誤検出が
起こらないので充電が正しく行なわれるという効果を奏
する。As described above, according to the present invention, the drive section is operated by the charging current supplied from the charging port, and the relay switch section (normally on) provided between the power control circuit and the storage battery is turned off. By turning off the power supply to the power supply control circuit and other circuits, the power supply is prohibited from being turned on during charging, so that an erroneous detection of battery charging due to -ΔV does not occur, so that charging is performed correctly. .
【図１】本発明の一実施例のブロック図である。FIG. 1 is a block diagram of an embodiment of the present invention.
１ 蓄電池 ２ 充電口 ３ リレー ３１ 駆動部 ３２ スイッチ部 ４ 電源制御部 ５ 電源スイッチ 1 storage battery 2 charging port 3 relays 31 Drive 32 switch 4 Power control unit 5 power switch
Claims (2)
ための接続手段と、その接続手段と蓄電池の間に接続さ
れた駆動回路により制御されるノーマリーオンのリレー
と電源制御部を具備することを特徴とする携帯型データ
処理装置。1. A storage battery, a connecting means for connecting to the outside for charging, a normally-on relay controlled by a drive circuit connected between the connecting means and the storage battery, and a power supply control section. A portable data processing device characterized in that.
は駆動部は電流が流れないのでスイッチ部はオンの状態
であり、蓄電池の電圧は電源制御部に加わっており電源
スイッチにより常時電源オン可能であり、前記充電口に
充電器が接続されていて充電が開始され前記駆動部は充
電電流によりアクティブとなりノーマリーコネクトのス
イッチ部はスイッチオフとなることにより前記電源制御
部へ前記蓄電池の電圧は印加されないので前記電源スイ
ッチでの電源オンは不可となり、トリクル充電中は前記
駆動部はインアクティブとなり前記スイッチ部はオンの
状態となるように構成したことを特徴とする携帯型デー
タ処理装置。2. When the charger is not connected to the charging port, the current does not flow in the drive unit, so the switch unit is in the ON state, and the voltage of the storage battery is applied to the power supply control unit so that the power switch always supplies power. It is possible to turn on, charging is started when the charger is connected to the charging port, the drive unit is activated by the charging current, and the normally connect switch unit is switched off, so that the power supply control unit stores the battery. Since no voltage is applied, the power switch cannot be turned on, and the drive unit is inactive and the switch unit is turned on during trickle charging. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16606791A JP3178010B2 (en) | 1991-07-08 | 1991-07-08 | Portable data processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16606791A JP3178010B2 (en) | 1991-07-08 | 1991-07-08 | Portable data processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0522874A true JPH0522874A (en) | 1993-01-29 |
| JP3178010B2 JP3178010B2 (en) | 2001-06-18 |
Family
ID=15824367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16606791A Expired - Fee Related JP3178010B2 (en) | 1991-07-08 | 1991-07-08 | Portable data processing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3178010B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162160A (en) * | 2021-04-07 | 2021-07-23 | Oppo广东移动通信有限公司 | Control circuit, charging circuit and electronic equipment |
-
1991
- 1991-07-08 JP JP16606791A patent/JP3178010B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162160A (en) * | 2021-04-07 | 2021-07-23 | Oppo广东移动通信有限公司 | Control circuit, charging circuit and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3178010B2 (en) | 2001-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20010313 |
|
| LAPS | Cancellation because of no payment of annual fees |