JPH0926470A - Judging device for battery life - Google Patents
Judging device for battery lifeInfo
- Publication number
- JPH0926470A JPH0926470A JP7177260A JP17726095A JPH0926470A JP H0926470 A JPH0926470 A JP H0926470A JP 7177260 A JP7177260 A JP 7177260A JP 17726095 A JP17726095 A JP 17726095A JP H0926470 A JPH0926470 A JP H0926470A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- temperature
- circuit
- life
- ambient temperature
- 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
Landscapes
- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はバッテリの寿命判定装置
に関し、特に情報処理装置のデータ保護用のバッテリの
寿命判定装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery life judging device, and more particularly to a battery life judging device for protecting data of an information processing device.
【０００２】[0002]
【従来の技術】従来、この種のデータ保護用バッテリの
寿命判定は、たとえば、特開平４−２７４７７６号公報
のＮｉ−Ｃｄ蓄電池の寿命検出装置に示されるように、
Ｎｉ−Ｃｄ蓄電池の寿命検出を客観的に行うことを目的
として用いられている。2. Description of the Related Art Conventionally, this kind of life determination of a data protection battery is performed, for example, as shown in a Ni-Cd storage battery life detecting apparatus disclosed in Japanese Patent Laid-Open No. 4-274776.
It is used for the purpose of objectively detecting the life of a Ni-Cd storage battery.
【０００３】図３は、従来のＮｉ−Ｃｄ蓄電池の寿命検
出装置の一例を示す放電機能付き定電流−ΔＶ検出方式
充電器の回路ブロック図である。Ｎｉ−Ｃｄ蓄電池１０
１は被寿命判定用バッテリである。電圧検出回路１０２
は、Ｎｉ−Ｃｄ蓄電池１０１の電圧を測定する。切替ス
イッチ１０３は、Ｎｉ−Ｃｄ蓄電池１０１の保有する電
圧により放電または充電側へ回路を切替える。放電負荷
１０４は、切替スイッチ１０３により接続された特にＮ
ｉ−Ｃｄ蓄電池１０１の放電を開始する。充電電流制御
回路１０８は、Ｎｉ−Ｃｄ蓄電池１０１に流す充電電流
料を制御する。低電流直流原１０５は、Ｎｉ−Ｃｄ蓄電
池１０１に充電電流を流す。リセット回路１０９は、電
圧記憶回路１０６をリセットする。電愛記憶回路１０６
は、Ｎｉ−Ｃｄ蓄電池１０１の現在の要領を一定時間記
憶する。電圧比較回路１０７は、電圧検出回路１０２と
電圧記憶回路１０６から入力された電圧を比較する。時
計計測回路１１０は、充電開始から充電完了期に電池電
圧がピーク値に達した後の降下電圧を検出するまでの時
間を計測する。比較データテーブル１１１は、Ｎｉ−Ｃ
ｄ蓄電池１０１を寿命と判定するための−ΔＶ検出時間
がセットされている。時間比較回路１１２は、時間計測
回路１１０で計測した時間と比較データテーブル１１１
にセットされている時間を比較し寿命と判断する。寿命
表示回路１１３は、時間比較回路１１２がＮｉ−Ｃｄ蓄
電池１０１を寿命と検出した時に寿命と表示する。デー
タ変更回路１１４は、装置の運用に合わせた寿命検出時
間を比較データテーブル１１１に自由に設定できる。FIG. 3 is a circuit block diagram of a constant current-.DELTA.V detection type charger with a discharge function showing an example of a conventional life detecting device for a Ni-Cd storage battery. Ni-Cd storage battery 10
Reference numeral 1 denotes a battery for determining the lifespan. Voltage detection circuit 102
Measures the voltage of the Ni-Cd storage battery 101. The changeover switch 103 switches the circuit to the discharging or charging side according to the voltage held by the Ni-Cd storage battery 101. The discharge load 104 is connected to the switch 103,
The discharge of the i-Cd storage battery 101 is started. The charging current control circuit 108 controls a charging current charge flowing to the Ni-Cd storage battery 101. The low-current DC source 105 supplies a charging current to the Ni-Cd storage battery 101. The reset circuit 109 resets the voltage storage circuit 106. Electric love memory circuit 106
Stores the current outline of the Ni-Cd storage battery 101 for a certain period of time. The voltage comparison circuit 107 compares the voltage input from the voltage detection circuit 102 with the voltage input from the voltage storage circuit 106. The clock measurement circuit 110 measures the time from the start of charging to the detection of the voltage drop after the battery voltage reaches the peak value during the charging completion period. The comparison data table 111 is composed of Ni-C
A -ΔV detection time for determining the life of the d storage battery 101 is set. The time comparison circuit 112 compares the time measured by the time measurement circuit 110 with the comparison data table 111.
Compare the time set in to determine the life. The life display circuit 113 displays the life when the time comparison circuit 112 detects the life of the Ni-Cd storage battery 101. The data change circuit 114 can freely set the life detection time in the comparison data table 111 according to the operation of the device.
【０００４】次に動作を説明する。破線Ａ−Ａ’より左
側の回路構成は従来の充電器の回路構成とまったく同様
であり、詳細な説明を省略する。電圧比較回路１０７か
ら出力される−ΔＶ検出信号Ｓ１は、充電電流制御回路
１０８に伝えられるとともに時間計測回路１１０にも与
えられる。そして、時間計測回路１１０において充電開
始から−ΔＶ検出までの所要時間が計測される。これが
所要時間データＳ２として時間比較回路１１２に出力さ
れる。一方比較データテーブル１１１には、Ｎｉ−Ｃｄ
蓄電池１０１を寿命と判定するための−ΔＶ検出時間が
比較時間データＳ３としてあらかじめセットされてい
る。時間データＳ２とＳ３が時間比較回路１１２によっ
て比較される。この比較の結果、比較データテーブル１
１１から出力データＳ３よりも時間計測回路１１０から
の出力データＳ２の方が小さければ、充電したＮｉ−Ｃ
ｄ蓄電池１０１は寿命と判断される。寿命と判断された
時は、時間比較回路１１２から寿命表示回路１１３に寿
命表示指示信号Ｓ４が出力される。寿命表示回路１１３
は寿命表示指示信号Ｓ４を受けて、Ｎｉ−Ｃｄ蓄電池１
０１を寿命であると表示する。Next, the operation will be described. The circuit configuration on the left side of the broken line AA 'is exactly the same as the circuit configuration of the conventional charger, and detailed description thereof will be omitted. The −ΔV detection signal S1 output from the voltage comparison circuit 107 is transmitted to the charging current control circuit 108 and also to the time measurement circuit 110. Then, the time measuring circuit 110 measures the time required from the start of charging to the detection of -ΔV. This is output to the time comparison circuit 112 as the required time data S2. On the other hand, the comparison data table 111 contains Ni-Cd
The -ΔV detection time for determining the life of the storage battery 101 is set in advance as comparison time data S3. The time data S2 and S3 are compared by the time comparison circuit 112. As a result of this comparison, the comparison data table 1
11, if the output data S2 from the time measurement circuit 110 is smaller than the output data S3, the charged Ni-C
It is determined that the d storage battery 101 has reached the end of its life. When it is determined that the life has expired, a life display instruction signal S4 is output from the time comparison circuit 112 to the life display circuit 113. Life display circuit 113
Receives the life display instruction signal S4 and receives the Ni-Cd storage battery 1
01 is displayed as the end of life.
【０００５】[0005]
【発明が解決しようとする課題】この従来のバッテリの
寿命検出装置は、バッテリを放電する際の周囲温度が常
温であるという条件でバッテリの放電時間と放電電圧を
測定しているため、バッテリの周囲が高温あるいは定温
である時は放電時間と放電電圧が変動して正しく寿命が
検出できないという問題があった。This conventional battery life detecting device measures the discharge time and discharge voltage of the battery under the condition that the ambient temperature when discharging the battery is room temperature. When the ambient temperature is high or constant, the discharge time and the discharge voltage fluctuate and the life cannot be detected correctly.
【０００６】[0006]
【課題を解決するための手段】上述した問題点を解決す
るため、本発明のバッテリの寿命判定装置は、バッテリ
の周囲温度を測定する温度センサと、バッテリを冷却す
る放熱ファンと、バッテリを加温するヒータと、温度比
較データテーブルに格納されたバッテリの動作推奨温度
と温度センサで測定したバッテリの周囲温度を比較する
温度比較回路と、バッテリを放電する放電回路の周囲温
度を測定する温度センサと、放電回路を冷却する放熱フ
ァンと、温度比較データテーブルに格納された放電回路
の動作推奨温度と温度センサで測定した放電回路の周囲
温度を比較する温度比較回路を設けている。In order to solve the above-mentioned problems, a battery life judging device according to the present invention comprises a temperature sensor for measuring an ambient temperature of a battery, a radiating fan for cooling the battery, and a heating and cooling device. A heater for heating, a temperature comparison circuit for comparing the recommended operation temperature of the battery stored in the temperature comparison data table with the ambient temperature of the battery measured by the temperature sensor, and a temperature sensor for measuring the ambient temperature of the discharge circuit for discharging the battery A heat dissipation fan for cooling the discharge circuit, and a temperature comparison circuit for comparing the recommended operation temperature of the discharge circuit stored in the temperature comparison data table with the ambient temperature of the discharge circuit measured by the temperature sensor.
【０００７】[0007]
【実施例】次に、本発明について図面を参照して説明す
る。Next, the present invention will be described with reference to the drawings.
【０００８】図１は、本発明の一実施例を示すブロック
図である。図１に示すバッテリの寿命判定装置は、情報
処理装置のデータ保護用バッテリ２と、バッテリ２の周
囲温度を測定する温度センサ３と、バッテリ２を冷却す
るための放熱ファン４と、バッテリ２を加温するヒータ
５と、温度センサ３で測定した温度と温度比較データテ
ーブル７の温度を比較する温度比較回路６と、バッテリ
２の動作推奨温度を格納する温度比較データテーブル７
と、バーテリ２が満充電に達していないときに充電を行
う充電回路１３を含む情報処理装置１と、寿命判定装置
を起動するスイッチ８と、時間比較データテーブル２５
のデータを変更するときに寿命判定装置を起動するスイ
ッチ９と、動作開始前の電圧を測定する電圧測定回路１
０と、電圧測定回路１０で測定した電圧値がバッテリ２
の満充電時の電圧値に達しているかを判断する動作開始
判断回路１１と、バッテリ２の満充電時の電圧格納する
電圧比較データテーブル１２と、バッテリ２が満充電に
達していない時に充電を行う充電回路１３と、バッテリ
２の放電と自身の加熱を行う放電部１４と、バッテリ２
の電圧値が情報処理装置１を動作可能な範囲に定めた電
圧値を格納してある電圧比較データテーブル２２と、放
電部１４で放電されている時の電圧を測定する電圧測定
回路２０と、電圧測定回路２０で測定された電圧値と電
圧比較データテーブル２２に格納されている電圧値を比
較する電圧比較回路２１と、バッテリ２が放電部１４で
放電され電圧比較データテーブル２２の電圧値に達する
までの時間を測定する時間計測回路２３と、バッテリ２
の電圧値が電圧比較データテーブル２２まで放電された
時間よりバッテリ２を正常か単なる放電状態か寿命かを
判定するための放電時間を格納する時間比較データテー
ブル２５と、時間計測回路２３で測定した電圧値と時間
比較データテーブル２５に格納してある電圧値とを比較
する時間比較回路２４と、バッテリ２の交換や容量変更
による時間比較データテーブル２５の更新を行うデータ
変更回路２６と、使用者に対してバッテリ２の寿命をメ
ッセージとして出力するメッセージ出力回路２７と、メ
ッセージ出力回路２７で出力されたメッセージを表示す
る表示装置２８から構成される。FIG. 1 is a block diagram showing one embodiment of the present invention. The battery life determining device shown in FIG. 1 includes a data protection battery 2 of an information processing device, a temperature sensor 3 for measuring an ambient temperature of the battery 2, a heat radiation fan 4 for cooling the battery 2, and a battery 2. A heater 5 for heating, a temperature comparison circuit 6 for comparing the temperature measured by the temperature sensor 3 with the temperature of the temperature comparison data table 7, and a temperature comparison data table 7 for storing the recommended operation temperature of the battery 2
An information processing device 1 including a charging circuit 13 that charges the battery pack 2 when the battery pack 2 has not reached full charge, a switch 8 that activates the life determining device, and a time comparison data table 25.
A switch 9 for activating the life determining device when changing the data of the data, and a voltage measuring circuit 1 for measuring the voltage before the operation is started.
0 and the voltage value measured by the voltage measurement circuit 10 is
, A voltage comparison data table 12 for storing the voltage when the battery 2 is fully charged, and a charge comparison data table 12 for storing the voltage when the battery 2 is fully charged. A discharging circuit 14 for discharging the battery 2 and heating itself;
A voltage comparison data table 22 storing a voltage value in which the voltage value of the information processing device 1 is operable; a voltage measurement circuit 20 for measuring a voltage when the discharge unit 14 is discharging; A voltage comparison circuit 21 for comparing the voltage value measured by the voltage measurement circuit 20 with a voltage value stored in the voltage comparison data table 22; A time measuring circuit 23 for measuring a time until the battery 2 reaches
Measured by the time measurement circuit 23 and the time comparison data table 25 that stores the discharge time for determining whether the battery 2 is normal, is simply discharged, or has reached the end of its life based on the time when the voltage value is discharged to the voltage comparison data table 22. A time comparison circuit 24 for comparing the voltage value and the voltage value stored in the time comparison data table 25, a data changing circuit 26 for updating the time comparison data table 25 by replacing the battery 2 or changing the capacity, and a user. A message output circuit 27 that outputs the life of the battery 2 as a message, and a display device 28 that displays the message output by the message output circuit 27.
【０００９】放電部１４はバッテリ２の放電を行う放電
回路１５と、放電回路１５の周囲温度を測定する温度セ
ンサ１６と、温度センサ１６で測定した温度と温度比較
データテーブル１８の温度を比較する温度比較回路１７
と、放電回路の動作推奨温度を格納する温度比較データ
テーブル１８を備える。The discharge unit 14 discharges the battery 2, a temperature sensor 16 that measures the ambient temperature of the discharge circuit 15, and compares the temperature measured by the temperature sensor 16 with the temperature in the temperature comparison data table 18. Temperature comparison circuit 17
And a temperature comparison data table 18 for storing recommended operation temperatures of the discharge circuit.
【００１０】次に図１のブロック図及び図２のバッテリ
の放電時間と放電電圧の特性図を使用して動作を説明す
る。スイッチ８を投入すると、バッテリ２の周囲温度を
温度センサ３で測定する。測定した周囲温度がバッテリ
２の動作推奨温度を格納した温度比較データテーブル７
の範囲にあることを温度比較回路６で比較する。比較し
た結果、周囲温度が低い時はヒータ５を動作させ、周囲
温度が高い時は放熱ファン４を動作させて温度比較デー
タテーブル７の範囲内に調整する。調整が完了した時に
動作開始判定回路１１に通知し、以降もバッテリの周囲
温度を一定に保つ動作を繰返す。また、電圧測定回路１
０でバッテリ２の電圧を測定し、満充電電圧を格納して
ある電圧比較データテーブル１２の電圧値を動作開始判
定回路１１で動作可能かを判定する。満充電でなければ
充電回路１３はバッテリ２の電圧が満充電圧に達するま
で充電を行う。Next, the operation will be described with reference to the block diagram of FIG. 1 and the characteristic diagram of the discharge time and discharge voltage of the battery of FIG. When the switch 8 is turned on, the ambient temperature of the battery 2 is measured by the temperature sensor 3. Temperature comparison data table 7 in which the measured ambient temperature stores the recommended operation temperature of battery 2
Are compared by the temperature comparison circuit 6. As a result of the comparison, when the ambient temperature is low, the heater 5 is operated, and when the ambient temperature is high, the heat radiation fan 4 is operated to adjust the temperature within the range of the temperature comparison data table 7. When the adjustment is completed, the operation start determination circuit 11 is notified, and thereafter, the operation of keeping the ambient temperature of the battery constant is repeated. Voltage measurement circuit 1
At 0, the voltage of the battery 2 is measured, and it is determined whether or not the operation start determination circuit 11 can operate the voltage value of the voltage comparison data table 12 storing the full charge voltage. If not fully charged, the charging circuit 13 charges the battery 2 until the voltage of the battery 2 reaches the full charge pressure.
【００１１】動作開始判定回路１１でバッテリ２の電圧
値及び周囲温度に問題がないと判定できた時にはじめて
寿命判定装置が動作する。放電回路１５はバッテリ２を
電圧比較データテーブル２２に格納されている電圧値ま
で放電する。放電の際は、逐次電圧測定回路２０でバッ
テリ２の電圧値を測定する。測定した電圧値は電圧比較
データテーブル２２の電圧値に達するまで電圧比較回路
２１で比較される。電圧比較データテーブル２２に格納
されている電圧値に達した時は、電圧比較回路２１より
時間計測回路２３に通知される。放電開始から電圧比較
データテーブル２２に格納されている電圧値に達するま
での時間を時間計測回路２３で計測する。時間計測回路
２３で計測した時間とあらかじめ格納してある時間比較
データテーブル２５に格納されている時間とを時間比較
回路２４で比較し、バッテリ２の寿命をメッセージ出力
回路２７に通知する。When the operation start determining circuit 11 determines that there is no problem in the voltage value of the battery 2 and the ambient temperature, the life determining device operates only when it is determined. The discharge circuit 15 discharges the battery 2 to a voltage value stored in the voltage comparison data table 22. At the time of discharging, the voltage value of the battery 2 is sequentially measured by the voltage measurement circuit 20. The measured voltage value is compared by the voltage comparison circuit 21 until it reaches the voltage value in the voltage comparison data table 22. When the voltage reaches the voltage value stored in the voltage comparison data table 22, the voltage comparison circuit 21 notifies the time measurement circuit 23. The time from the start of discharge to the time when the voltage value stored in the voltage comparison data table 22 is reached is measured by the time measurement circuit 23. The time measured by the time measurement circuit 23 is compared with the time stored in the time comparison data table 25 stored in advance by the time comparison circuit 24, and the life of the battery 2 is notified to the message output circuit 27.
【００１２】メッセージ出力回路２７は、通知されたバ
ッテリ２の寿命を表示装置２８に通知し、表示装置２８
は使用者に対してメッセージを表示する。また、温度セ
ンサー１６は、放電回路１５の周囲温度を測定する。あ
らかじめ格納してある温度比較データテーブル１８の動
作推奨温度と温度センサ１６で測定した周囲温度を温度
比較回路１７で比較し、周囲温度が高い時は放熱ファン
１９により外部へ放熱を行う。また、バッテリ２の交換
時や容量変更があった時はスイッチ９を投入し、寿命判
定装置を動作させて一度データ変更回路２６により時間
比較データテーブル２５を更新する。The message output circuit 27 notifies the display device 28 of the notified life of the battery 2, and the display device 28
Displays a message to the user. Further, the temperature sensor 16 measures the ambient temperature of the discharge circuit 15. The recommended operation temperature of the temperature comparison data table 18 stored in advance and the ambient temperature measured by the temperature sensor 16 are compared by the temperature comparison circuit 17, and when the ambient temperature is high, heat is radiated to the outside by the heat radiation fan 19. When the battery 2 is replaced or the capacity is changed, the switch 9 is turned on, the life determining device is operated, and the data change circuit 26 updates the time comparison data table 25 once.
【００１３】[0013]
【発明の効果】以上説明したように、本発明のバッテリ
の寿命判定装置は、バッテリの周囲温度を一定に保つた
めの温度センサ、放熱ファン、ヒータと放電回路から発
生する熱を外部へ放散する放熱ファンを有しているた
め、周囲温度の変化によるバッテリの放電時間への影響
を防ぐことができ、バッテリの寿命を客観的に把握する
ことができるという効果がある。As described above, the battery life judging device of the present invention radiates heat generated from the temperature sensor, the heat radiation fan, the heater and the discharge circuit for keeping the ambient temperature of the battery constant to the outside. Since the heat dissipation fan is provided, it is possible to prevent the influence of the change in the ambient temperature on the discharge time of the battery, and it is possible to objectively grasp the life of the battery.
【図１】本発明の一実施例を示すブロック図である。FIG. 1 is a block diagram showing one embodiment of the present invention.
【図２】図１の動作を説明するためのバッテリの放電時
間と放電電圧との関係を示す図である。FIG. 2 is a diagram illustrating a relationship between a battery discharge time and a discharge voltage for explaining the operation of FIG. 1;
【図３】従来の一例を示すブロック図である。FIG. 3 is a block diagram showing a conventional example.
【符号の説明】 １ 情報処理装置 ２ バッテリ ３ 温度センサ ４ 放熱ファン ５ ヒータ ６ 温度比較回路 ７ 温度比較データテーブル ８ スイッチ ９ スイッチ １０ 電圧測定回路 １１ 動作開始判定回路 １２ 電圧比較データテーブル １３ 充電回路 １４ 放電部 １５ 放電回路 １６ 温度センサ １７ 温度比較回路 １８ 温度比較データテーブル １９ 放熱ファン ２０ 電圧測定回路 ２１ 電圧比較回路 ２２ 電圧比較データテーブル ２３ 時間計測回路 ２４ 時間比較回路 ２５ 時間比較データテーブル ２６ データ変更回路 ２７ メッセージ出力回路 ２８ 表示装置 Ａ 正常時の充放電特性 Ｂ 寿命時の充放電特性 Ｖｆ 満充電圧 Ｐ 充電完了 Ｑ 放電開始 Ｖａ 情報処理装置が動作可能な範囲に定められた電
圧 Ｔ０ バッテリの放電開始時間 Ｔａ 正常時のバッテリが放電開始からＶａに達する
までの時間 Ｔｂ 寿命時のバッテリが放電開始からＶａに達する
までの時間 １０１ Ｎｉ−Ｃｄ蓄電池 １０２ 電圧検出回路 １０３ 切替スイッチ １０４ 放電負荷回路 １０５ 定電流直流源 １０６ 電圧記憶回路 １０７ 電圧比較回路 １０８ 充電電流制御回路 １０９ リセット回路 １１０ 時間計測回路 １１１ 比較データテーブル １１２ 時間比較回路 １１３ 寿命表示回路 １１４ データ変更回路 Ｓ１ −ΔＶ検出信号 Ｓ２ 所要時間データ Ｓ３ 比較時間データ Ｓ４ 寿命表示指示信号[Explanation of Codes] 1 Information processing device 2 Battery 3 Temperature sensor 4 Heat dissipation fan 5 Heater 6 Temperature comparison circuit 7 Temperature comparison data table 8 Switch 9 Switch 10 Voltage measurement circuit 11 Operation start determination circuit 12 Voltage comparison data table 13 Charging circuit 14 Discharge unit 15 Discharge circuit 16 Temperature sensor 17 Temperature comparison circuit 18 Temperature comparison data table 19 Radiating fan 20 Voltage measurement circuit 21 Voltage comparison circuit 22 Voltage comparison data table 23 Time measurement circuit 24 Time comparison circuit 25 Time comparison data table 26 Data change circuit 27 Message Output Circuit 28 Display Device A Charging / Discharging Characteristic at Normal Time B Charging / Discharging Characteristic at Lifetime Vf Full Charge Pressure P Charging Completion Q Discharge Start Va Voltage Specified in Range where Information Processing Device Can Operate Battery Discharge Start Time Ta Normal Time from battery start to discharge to Va Tb Time from battery start to discharge to Va at life 101 Ni-Cd storage battery 102 Voltage detection circuit 103 Changeover switch 104 Discharge load circuit 105 Constant current DC source 106 Voltage storage Circuit 107 Voltage comparison circuit 108 Charging current control circuit 109 Reset circuit 110 Time measurement circuit 111 Comparison data table 112 Time comparison circuit 113 Life display circuit 114 Data change circuit S1-ΔV detection signal S2 Required time data S3 Comparison time data S4 Life display instruction signal
Claims (3)
サと、バッテリを冷却する放熱ファンと、バッテリを加
温するヒータと、温度比較データテーブルに格納された
バッテリの動作推奨温度とバッテリの周囲温度を比較す
る温度比較回路を含む情報処理装置と、放電回路の周囲
温度を測定する温度センサと、放電回路を冷却する放熱
ファンと、温度比較データテーブルに格納された放電回
路の動作推奨温度と放電回路の周囲温度を比較する温度
比較回路を含む放電部で構成されることを特徴とするバ
ッテリの寿命判定装置。1. A temperature sensor for measuring an ambient temperature of a battery, a heat radiation fan for cooling the battery, a heater for heating the battery, a recommended operating temperature of the battery and an ambient temperature of the battery stored in a temperature comparison data table. Information processing device that includes a temperature comparison circuit that compares the temperature of the discharge circuit, a temperature sensor that measures the ambient temperature of the discharge circuit, a heat dissipation fan that cools the discharge circuit, and the recommended temperature and discharge of the discharge circuit stored in the temperature comparison data table. A battery life determining device comprising a discharge unit including a temperature comparison circuit for comparing the ambient temperature of the circuit.
度を一定に保つ温度センサと、放熱ファンと、ヒータ
と、温度比較回路と、温度比較データテーブルを備える
請求項１記載のバッテリ寿命判定装置。2. The battery life determination device according to claim 1, wherein the information processing device includes a temperature sensor for keeping the ambient temperature of the battery constant, a heat radiation fan, a heater, a temperature comparison circuit, and a temperature comparison data table. .
に保つ温度センサと、放熱ファンと、温度比較回路と、
温度比較データテーブルを備える請求項１記載のバッテ
リ寿命判定装置。3. A temperature sensor for keeping the ambient temperature of the discharge circuit constant by the discharge unit, a heat radiation fan, a temperature comparison circuit,
The battery life determining device according to claim 1, further comprising a temperature comparison data table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7177260A JP2776764B2 (en) | 1995-07-13 | 1995-07-13 | Battery life judgment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7177260A JP2776764B2 (en) | 1995-07-13 | 1995-07-13 | Battery life judgment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0926470A true JPH0926470A (en) | 1997-01-28 |
| JP2776764B2 JP2776764B2 (en) | 1998-07-16 |
Family
ID=16027966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7177260A Expired - Fee Related JP2776764B2 (en) | 1995-07-13 | 1995-07-13 | Battery life judgment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2776764B2 (en) |
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1995
- 1995-07-13 JP JP7177260A patent/JP2776764B2/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| JP2776764B2 (en) | 1998-07-16 |
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