JPH08137583A - Information processor - Google Patents
Information processorInfo
- Publication number
- JPH08137583A JPH08137583A JP6272556A JP27255694A JPH08137583A JP H08137583 A JPH08137583 A JP H08137583A JP 6272556 A JP6272556 A JP 6272556A JP 27255694 A JP27255694 A JP 27255694A JP H08137583 A JPH08137583 A JP H08137583A
- Authority
- JP
- Japan
- Prior art keywords
- battery pack
- voltage
- potential
- reference voltage
- information processing
- 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- Withdrawn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
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]
【産業上の利用分野】本発明は情報処理装置に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing device.
【０００２】[0002]
【従来の技術】近年、パソコン等の小型化に伴い、携帯
型情報処理装置の電源として電池パックが多用されに至
っている。電池パックを電源として使用可能な情報処理
装置は、装着時に電池パックを認識し、商用電源使用時
に該電池パックの充電も行えるように構成されている。2. Description of the Related Art In recent years, with the miniaturization of personal computers and the like, battery packs have been widely used as power sources for portable information processing devices. An information processing apparatus that can use a battery pack as a power source is configured to recognize the battery pack when it is mounted and to charge the battery pack when using a commercial power source.
【０００３】図２は従来の電池パック接続部の構造を示
すもので、電池パック１０の装置２０への接続用コネク
タを装置２０側のコネクタ７１にプラグイン接続するこ
とにより装置２０側への電源供給が行われる。装置２０
側には、電池パック１０から供給される電位を抵抗３０
により分圧して基準電位Ｖｒｅｆと比較するコンパレー
タ６２が設けられており、分圧値を基準電位Ｖｒｅｆと
比較することにより、電池パック１０の装着の有無を検
出している。FIG. 2 shows the structure of a conventional battery pack connecting portion, in which a connector for connecting the battery pack 10 to the device 20 is plugged into a connector 71 on the device 20 side to supply power to the device 20 side. Supply is made. Device 20
On the side, the potential supplied from the battery pack 10 is applied to the resistor 30.
A comparator 62 that divides the voltage and compares it with the reference potential Vref is provided, and the presence or absence of the battery pack 10 is detected by comparing the divided voltage value with the reference potential Vref.
【０００４】なお、図２において１１は電池、４１は温
度測定用のサーミスタを示す。In FIG. 2, 11 is a battery and 41 is a thermistor for temperature measurement.
【０００５】[0005]
【発明が解決しようとする課題】上述した従来例におい
て、電池パック１０の未装着状態では、コンパレータ６
２の比較側入力電位は、グランドに落とされているため
に略０ボルトとなっており、電池パック１０未装着状態
を検出されているが、残容量の少ない電池パック１０を
接続した場合にも、比較側入力電位が上がらず、電池パ
ック１０が装着されているにも拘わらず、電池パック１
０が認識されず、例えば充電モードでの装置２０動作が
不可能になってしまうという欠点を有する。In the conventional example described above, when the battery pack 10 is not mounted, the comparator 6
The input potential on the comparison side of 2 is approximately 0 volt because it is dropped to the ground, and it is detected that the battery pack 10 is not attached. However, even when the battery pack 10 with a small remaining capacity is connected. , The comparison side input potential does not rise, and the battery pack 1
There is a drawback that 0 is not recognized, and operation of the device 20 in the charging mode becomes impossible.
【０００６】本発明は、以上の欠点を解消すべくなされ
たもので、残容量の少ない電池パックも確実に認識する
ことのできる情報処理装置を提供することを目的とす
る。The present invention has been made to solve the above drawbacks, and an object of the present invention is to provide an information processing apparatus capable of surely recognizing a battery pack with a small remaining capacity.
【０００７】[0007]
【課題を解決するための手段】図１に本発明を示す。装
置２０側には電圧部５０が設けられ、電池パック１０内
の抵抗要素４０には、抵抗３０を介して所定電圧が印加
される。また、装置２０側には、抵抗３０の端子間電位
の変化を検出する検出手段６０が設けられる。FIG. 1 shows the present invention. A voltage unit 50 is provided on the device 20 side, and a predetermined voltage is applied to the resistance element 40 in the battery pack 10 via the resistance 30. Further, on the device 20 side, a detection unit 60 that detects a change in the inter-terminal potential of the resistor 30 is provided.
【０００８】[0008]
【作用】携帯型情報処理装置２０に電池パック１０が接
続されると、電圧部５０−抵抗３０−電池パック内抵抗
要素による閉回路が形成される。閉回路の形成による通
電により、電圧部５０の電圧は、抵抗３０と電池パック
１０内の抵抗要素４０により分圧されて装置２０側の抵
抗３０の端子間電圧は低下し、少なくとも電池パック１
０が接続されていない状態での電位との間に差が生じる
こととなる。When the battery pack 10 is connected to the portable information processing device 20, a closed circuit is formed by the voltage section 50, the resistor 30, and the resistance element in the battery pack. Due to the energization due to the formation of the closed circuit, the voltage of the voltage section 50 is divided by the resistance 30 and the resistance element 40 in the battery pack 10, and the voltage between the terminals of the resistance 30 on the device 20 side decreases, and at least the battery pack 1
There will be a difference with the potential in the state where 0 is not connected.
【０００９】この電位変化は、従来例のように、電池パ
ック１０の残容量に影響されずに必ず発生するものであ
り、この電位変化を検出手段６０により検出することに
より、電池パック１０の容量が少ない場合でも確実に電
池パック１０の装着状態を認識することが可能となる。As in the conventional example, this potential change is always generated without being affected by the remaining capacity of the battery pack 10, and the capacity of the battery pack 10 is detected by detecting this potential change by the detecting means 60. Even when the number of battery packs is small, it is possible to reliably recognize the mounted state of the battery pack 10.
【００１０】[0010]
【実施例】図１に本発明の実施例を示す。先ず、電池パ
ック１０は、電源となる電池１１と、装置２０接続用の
コネクタ７０を備え、さらに、温度上昇を検出するため
のサーミスタ４１が設けられる。電池１１には、周知の
ニッカド、あるいはニッケル水素電池が使用される。EXAMPLE FIG. 1 shows an example of the present invention. First, the battery pack 10 includes a battery 11 serving as a power source, a connector 70 for connecting the device 20, and a thermistor 41 for detecting a temperature rise. A well-known NiCd or nickel-hydrogen battery is used as the battery 11.
【００１１】装置２０側には、電池パック１０のコネク
タ７０がプラグイン接続されるコネクタ７１が設けられ
ており、電池１１、およびサーミスタ４１に接続され
る。サーミスタ４１は、装置２０内部において一方の極
がグランドに接続されるとともに、他方の極は抵抗３０
を介して第１基準電圧部５１に接続され、装置２０への
接続状態において、第１基準電圧部５１−抵抗３０−サ
ーミスタ４１−グランドの閉回路が形成される。A connector 71 to which the connector 70 of the battery pack 10 is plugged in is provided on the device 20 side, and is connected to the battery 11 and the thermistor 41. The thermistor 41 has one pole connected to the ground inside the device 20 and the other pole connected to the resistor 30.
Is connected to the first reference voltage unit 51 via the, and a closed circuit of the first reference voltage unit 51-resistor 30-thermistor 41-ground is formed in the connection state to the device 20.
【００１２】さらに、上記サーミスタ回路の高電位側
は、コンパレータ６２の比較側端子に接続され、第２基
準電圧部６１との比較が行われる。第２基準電圧の設定
は、第１基準電圧部５１より低圧で、かつ、電池パック
１０が接続された状態でコンパレータ６２の比較端子に
印加される電圧、すなわち、第１基準電圧部５１の出力
電圧を抵抗３０、およびサーミスタ４１により分圧した
電圧値より高い値とされる。Further, the high potential side of the thermistor circuit is connected to the comparison side terminal of the comparator 62 and is compared with the second reference voltage section 61. The setting of the second reference voltage is lower than that of the first reference voltage section 51, and the voltage applied to the comparison terminal of the comparator 62 in the state where the battery pack 10 is connected, that is, the output of the first reference voltage section 51. The voltage is set to a value higher than the voltage value divided by the resistor 30 and the thermistor 41.
【００１３】なお、本実施例の説明においては、説明の
簡略化のためにサーミスタ４１は他の回路網に接続され
ていない場合が示されているが、例えば電池パック１０
の温度上昇を検出するための回路に接続される場合に
は、これらによる電位変化を考慮に入れて第１、第２基
準電圧部５１、６１の設定が行われる。また、コンパレ
ータ６２からの出力は、第２基準電圧部６１側の方が高
圧時の出力値を装着信号とし、低圧の場合には、未装着
信号として制御部８０に送出される。In the description of the present embodiment, the thermistor 41 is not connected to another circuit network for simplification of description, but for example, the battery pack 10 is used.
When the circuit is connected to a circuit for detecting the temperature rise, the first and second reference voltage sections 51 and 61 are set in consideration of potential changes due to these. Further, the output from the comparator 62 is sent to the control unit 80 as an attachment signal based on the output value when the second reference voltage unit 61 has a high voltage, and as an unattached signal when the voltage is low.
【００１４】したがってこの実施例において、電池パッ
ク１０が接続されない状態では、コンパレータ６２の比
較側端子電位（図１のａ点電位）は第１基準電圧部５１
に等しくなり、この電位は第２基準電圧部６１の電位よ
り高いために、コンパレータ６２は、例えば第２基準電
圧部６１が非反転入力端子に接続されている場合に
は、”Ｌ”を出力し、後段の制御部８０により電池パッ
ク１０未装着状態として認識される。Therefore, in this embodiment, when the battery pack 10 is not connected, the comparison-side terminal potential of the comparator 62 (point-a potential in FIG. 1) is the first reference voltage section 51.
Since this potential is higher than the potential of the second reference voltage unit 61, the comparator 62 outputs “L” when the second reference voltage unit 61 is connected to the non-inverting input terminal, for example. Then, the control unit 80 in the subsequent stage recognizes that the battery pack 10 is not attached.
【００１５】一方、電池パック１０が接続されると、ａ
点電位は、第１基準電圧部５１を抵抗３０とサーミスタ
４１により分圧した値となって、第２基準電圧部６１よ
り下回り、コンパレータ６２の反転入力端子側が低圧と
なるために、”Ｈ”を出力し、制御部８０は、電池パッ
ク装着状態と認識する。On the other hand, when the battery pack 10 is connected, a
The point potential becomes a value obtained by dividing the first reference voltage section 51 by the resistor 30 and the thermistor 41 and is lower than the second reference voltage section 61, and the inverting input terminal side of the comparator 62 has a low voltage. Is output, and the control unit 80 recognizes that the battery pack is attached.
【００１６】[0016]
【発明の効果】以上の説明から明らかなように、本発明
によれば、残容量の少ない電池パックでも確実に装着状
態を認識することができる。As is apparent from the above description, according to the present invention, it is possible to reliably recognize the mounted state even with a battery pack having a small remaining capacity.
【図１】本発明の実施例を示す図である。FIG. 1 is a diagram showing an embodiment of the present invention.
【図２】従来例を示す図である。FIG. 2 is a diagram showing a conventional example.
１０ 電池パック ２０ 装置 ３０ 抵抗 ４０ 抵抗要素 ４１ サーミスタ ５０ 電圧部 ５１ 第１基準電圧部 ６０ 検出手段 ６１ 第２基準電圧部 ６２ コンパレータ 10 Battery Pack 20 Device 30 Resistor 40 Resistance Element 41 Thermistor 50 Voltage Part 51 First Reference Voltage Part 60 Detecting Means 61 Second Reference Voltage Part 62 Comparator
Claims (2)
て、 抵抗を介して電池パック内の抵抗要素に給電する電圧部
と、 前記抵抗の端子間電位の変化を検出する検出手段とを有
し、 前記検出手段の出力により電池パックの装着の有無を検
出する情報処理装置。1. An information processing apparatus equipped with a battery pack, comprising: a voltage section for supplying power to a resistance element in the battery pack through a resistor; and a detection means for detecting a change in terminal potential of the resistor. An information processing apparatus that detects whether or not a battery pack is attached, based on the output of the detection means.
て、 抵抗を介して電池パックのサーミスタに接続される第１
基準電圧部と、 前記抵抗とサーミスタにより分圧された電圧と第２基準
電圧部との電圧を比較し、分圧値の方が高圧の場合には
電池パック未装着信号を送出し、低圧の場合には電池パ
ック装着信号を送出するコンパレータとを有し、 前記第２基準電圧部の出力電位は、第１基準電圧部より
低圧で、かつ、前記分圧値より高圧とされる情報処理装
置。2. An information processing apparatus for mounting a battery pack, the first information processing device being connected to a thermistor of the battery pack via a resistor.
The voltage of the reference voltage section, the voltage divided by the resistor and the thermistor, and the voltage of the second reference voltage section are compared, and when the divided voltage value is higher, the battery pack non-installation signal is sent out, and In this case, the information processing device has a comparator for sending a battery pack mounting signal, and the output potential of the second reference voltage unit is lower than the first reference voltage unit and higher than the divided voltage value. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6272556A JPH08137583A (en) | 1994-11-07 | 1994-11-07 | Information processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6272556A JPH08137583A (en) | 1994-11-07 | 1994-11-07 | Information processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08137583A true JPH08137583A (en) | 1996-05-31 |
Family
ID=17515558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6272556A Withdrawn JPH08137583A (en) | 1994-11-07 | 1994-11-07 | Information processor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08137583A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010252581A (en) * | 2009-04-17 | 2010-11-04 | Freescale Semiconductor Inc | Charge control circuit, and battery charger with the same |
| CN114274833A (en) * | 2021-12-30 | 2022-04-05 | 临工集团济南重机有限公司 | Control method, device, equipment and medium for replacing battery pack |
-
1994
- 1994-11-07 JP JP6272556A patent/JPH08137583A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010252581A (en) * | 2009-04-17 | 2010-11-04 | Freescale Semiconductor Inc | Charge control circuit, and battery charger with the same |
| CN114274833A (en) * | 2021-12-30 | 2022-04-05 | 临工集团济南重机有限公司 | Control method, device, equipment and medium for replacing battery pack |
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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: 20020115 |