JP2687520B2 - Battery maintenance device for auxiliary battery - Google Patents

Battery maintenance device for auxiliary battery

Info

Publication number
JP2687520B2
JP2687520B2 JP63313139A JP31313988A JP2687520B2 JP 2687520 B2 JP2687520 B2 JP 2687520B2 JP 63313139 A JP63313139 A JP 63313139A JP 31313988 A JP31313988 A JP 31313988A JP 2687520 B2 JP2687520 B2 JP 2687520B2
Authority
JP
Japan
Prior art keywords
battery
power
time
date
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.)
Expired - Lifetime
Application number
JP63313139A
Other languages
Japanese (ja)
Other versions
JPH02159932A (en
Inventor
宏靖 鈴木
邦彦 松森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP63313139A priority Critical patent/JP2687520B2/en
Publication of JPH02159932A publication Critical patent/JPH02159932A/en
Application granted granted Critical
Publication of JP2687520B2 publication Critical patent/JP2687520B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Power Sources (AREA)

Description

【発明の詳細な説明】 〔概要〕 装置電源をバックアップするバッテリの保守装置に関
し、 バッテリの充電不足を自動的に検出して通知すること
ができるバッテリ保守装置を提供することを目的とし、 日時を計時するカレンダ機構と、装置電源の切断を検
出する検出手段と、該検出手段の検出信号と該カレンダ
機構の計時に基づいて装置電源切断の日時を記憶する記
憶手段と、装置電源が投入されたとき該記憶手段の記憶
に基づいた装置電源切断から投入までの時間が所定時間
を超えるか否かを判定する判定手段と、該判定手段の判
定結果が前記所定時間を超えている時には、前記補助バ
ッテリの充電不足であることを通知する通知手段とによ
り構成する。
The present invention relates to a battery maintenance device that backs up a device power supply, and an object thereof is to provide a battery maintenance device capable of automatically detecting and notifying insufficient battery charge. A calendar mechanism for timing, a detecting means for detecting disconnection of the power source of the apparatus, a storage means for storing a detection signal of the detecting means and a date and time of disconnection of the apparatus power based on the timing of the calendar mechanism, and the power source of the apparatus is turned on. When the determination means determines whether the time from turning off the power to the device based on the storage of the storage means exceeds a predetermined time, and when the determination result of the determination means exceeds the predetermined time, the auxiliary And a notification means for notifying that the battery is insufficiently charged.

〔産業上の利用分野〕[Industrial applications]

本発明は、装置電源をバックアップするバッテリの保
守装置に関する。
The present invention relates to a battery maintenance device that backs up a device power supply.

近年、端末装置等の各種電子装置において、装置電源
の変動や切断に対して揮発メモリ内のデータを保護する
等の目的で、充電式バッテリによって装置電源の電圧変
動及び瞬断を補償する、バッテリバックアップ方式が普
及している。然るに、自然放電等によりバッテリの充電
状態が不十分であればバックアップの機能を果たし得
ず、データの紛失、誤った処理データの出力などを起こ
すので、バッテリの充電不足を事前に検知することがで
きるバッテリ保守装置が望まれている。
In recent years, in various electronic devices such as terminal devices, a battery that compensates voltage fluctuations and instantaneous interruptions of the device power supply by a rechargeable battery for the purpose of protecting data in the volatile memory against fluctuations and disconnection of the device power supply, Backup methods are widespread. However, if the state of charge of the battery is insufficient due to spontaneous discharge, etc., the backup function cannot be fulfilled, and data loss or erroneous processing data output will occur, so it is possible to detect insufficient battery charge in advance. A battery maintenance device that can perform is desired.

〔従来の技術〕[Conventional technology]

従来のバッテリ保守方法は、装置を長時間使用しない
場合、最後に装置を使用してバッテリを十分に充電した
日時をラベル等に記入し、次の使用時にラベル等に記入
された日時を確認し、所定期間を経過している場合、又
はバッテリの出力が規定値を下回っている場合は補充充
電を行う方法が行われていた。
In the conventional battery maintenance method, when the device is not used for a long time, enter the date and time when the battery was fully charged using the device at the end, and check the date and time when the device was used next time. In the case where the predetermined period has elapsed or the output of the battery is below the specified value, the method of performing supplementary charging has been performed.

〔発明が解決しようとする課題〕[Problems to be solved by the invention]

上記のように従来方法によると、バッテリの充電状態
のチェック、ラベル等の作成、確認を必要とし、時間と
手間が掛かり、また、チェック、確認忘れや誤りによる
充電不足によって装置が誤動作し、データの紛失、誤っ
た処理結果の出力などを起こす恐れがあるという問題点
があった。
As described above, according to the conventional method, it is necessary to check the charge state of the battery, create and confirm the label, etc., which is time consuming and troublesome, and the device malfunctions due to insufficient charge due to forgetting the check, confirmation, or error. However, there is a problem in that there is a risk of loss of data, output of incorrect processing results, etc.

本発明は、バッテリの充電不足を自動的に事前に検出
して通知することができるバッテリ保守装置を提供する
ことを目的とする。
It is an object of the present invention to provide a battery maintenance device capable of automatically detecting in advance a battery charge shortage and notifying it.

〔課題を解決するための手段〕[Means for solving the problem]

第1図は本発明の原理ブロック図を示す。 FIG. 1 is a block diagram showing the principle of the present invention.

図中、 装置電源の投入時に充電器により充電され装置電源を
バックアップする補助バッテリを有する装置において、 3は日時を計時するカレンダ機構、 4は装置電源の切断を検出する手段、 5は内蔵バッテリを有し検出手段4の検出及びカレン
ダ機構3の計時に基づいて装置電源切断の日時を記憶す
る手段、 6は装置電源が投入されたとき記憶手段5の記憶に基
づいて装置電源切断から投入までの時間が所定時間を超
えるか否かを判定する手段である。
In the figure, in a device having an auxiliary battery that is charged by a charger when the device power is turned on and backs up the device power, 3 is a calendar mechanism for timing the date and time, 4 is means for detecting disconnection of the device power, and 5 is a built-in battery. Included means for storing the date and time of the device power-off based on the detection of the detecting means 4 and the timekeeping of the calendar mechanism 3, and 6 from the power-off to the power-on of the device based on the storage of the memory means 5 when the device power is turned on. It is a means for determining whether or not the time exceeds a predetermined time.

従って、判定手段6の判定に基づいて補助バッテリを
充電するように構成されている。
Therefore, the auxiliary battery is charged based on the judgment of the judging means 6.

〔作用〕[Action]

本発明によれば、充電器により充電され装置電源をバ
ックアップする補助バッテリを有する装置において、検
出手段4が装置電源の切断を検出したとき、記憶手段5
はカレンダ機構3の計時に基づいて装置電源切断の日時
を記憶し、判定手段6は装置電源が投入されたとき記憶
手段5の記憶に基づいて装置電源切断から投入までの時
間が所定時間を超えるか否かを判定するので、判定手段
6の判定に基づいて事前に補助バッテリを充電すること
により、装置の誤動作によるデータの紛失や誤った処理
データの出力を未然に防止することができる。
According to the present invention, in a device having an auxiliary battery that is charged by a charger and backs up the device power supply, the storage device 5 detects when the detection device 4 detects disconnection of the device power supply.
Stores the date and time when the power source of the device is turned off based on the timekeeping of the calendar mechanism 3, and the determination unit 6 has a predetermined time from turning off the power source of the device based on the storage of the storage unit 5 when the power source of the device is turned on. Since it is determined whether the auxiliary battery is charged in advance based on the determination of the determination unit 6, it is possible to prevent the loss of data and the output of erroneous processed data due to the malfunction of the device.

〔実施例〕〔Example〕

以下、本発明の実施例を第2図を参照して説明する。
全図を通じて同一符号は同一対象物を示す。第2図で第
1図に対応するものは一点鎖線で囲んである。
Hereinafter, an embodiment of the present invention will be described with reference to FIG.
The same reference numerals indicate the same objects throughout the drawings. In FIG. 2, those corresponding to FIG. 1 are surrounded by alternate long and short dash lines.

第2図において、 メモリ10は、電源の電圧変動、瞬断に対して保護を必
要とする制御情報、登録データ等の重要なデータを記憶
するランダムアクセスメモリ(RAM)で構成される。
In FIG. 2, the memory 10 is composed of a random access memory (RAM) that stores important data such as control information that needs protection against voltage fluctuation of power supply and instantaneous interruption, registration data, and the like.

バッテリ1aは、装置電源投入時に充電器1bによって充
電される充電式電池であって、メモリ10に供給される装
置電源に並列に接続することにより装置電源をバックア
ップする。
The battery 1a is a rechargeable battery that is charged by the charger 1b when the device power is turned on, and is connected in parallel to the device power supplied to the memory 10 to back up the device power.

電圧検出部7aは、バッテリ1aから入力される電圧が所
定値以下のとき充電不足を示す信号を出力する。
The voltage detection unit 7a outputs a signal indicating insufficient charging when the voltage input from the battery 1a is equal to or lower than a predetermined value.

切断検出部4aは、入力される装置電源の立下がりを検
出して、電源切断信号を出力する。
The disconnection detector 4a detects the fall of the input device power supply and outputs a power supply disconnection signal.

カレンダ部35は、内蔵のバッテリを有して年月日、時
間を計時すると共に、切断検出部4aからの電源切断信号
に基づいて電源切断の日時を記憶する。
The calendar unit 35 has a built-in battery to measure the date and time, and also stores the date and time of power cutoff based on the power cutoff signal from the cutoff detection unit 4a.

判定部6aは、装置電源を供給されて動作し、カレンダ
部35の日時データを読み出して装置電源切断から投入ま
での経過時間が所定時間を超えるか否かを判定する。
The determination unit 6a operates by being supplied with the power source of the device, reads the date and time data of the calendar unit 35, and determines whether the elapsed time from turning off the power source of the device to turning on the power source exceeds a predetermined time.

通知部8aは、装置電源を供給されて動作し、電圧検出
部7aから充電不足、又は判定部6aから所定時間の経過を
示す信号を入力したとき、バッテリ1aの充電不足を通知
するメッセージを図示省略するディスプレイに出力す
る。
The notification unit 8a is operated by being supplied with power from the device, and when a signal indicating insufficient charging from the voltage detection unit 7a or a signal indicating that a predetermined time has passed from the determination unit 6a is input, a message for notifying insufficient charging of the battery 1a is illustrated. Output to the omitted display.

従って、バッテリ1aの自然放電等によって出力電圧が
規定値以下になったことを電圧検出部7aが検出したと
き、又は装置電源切断から投入までに所定時間以上経過
したことを判定部6aが判定したとき、通知部8aはオペレ
ータにバッテリ1aの充電を促すように構成されている。
Therefore, when the voltage detection unit 7a detects that the output voltage has become equal to or less than the specified value due to natural discharge of the battery 1a, or the determination unit 6a has determined that a predetermined time or more has elapsed from turning off the power to the device. At this time, the notification unit 8a is configured to prompt the operator to charge the battery 1a.

〔発明の効果〕〔The invention's effect〕

以上説明したように本発明によれば、自然放電等によ
るバッテリ1aの出力電圧が不足したとき、及び装置電源
切断から投入までの経過時間が所定時間を超えるとき、
通知部8aはバッテリ1aの充電不足を通知するメッセージ
を表示するので、事前にバッテリ1aを充電することによ
って、データの紛失や誤った処理結果の出力を未然に防
止することができるという効果がある。
As described above, according to the present invention, when the output voltage of the battery 1a due to natural discharge or the like is insufficient, and when the elapsed time from turning off the power to the device exceeds a predetermined time,
Since the notification unit 8a displays a message notifying that the battery 1a is insufficiently charged, by charging the battery 1a in advance, it is possible to prevent loss of data and output of an erroneous processing result. .

【図面の簡単な説明】[Brief description of the drawings]

第1図は本発明の原理ブロック図、 第2図は本発明の実施例を示すブロック図である。 図において、 1aはバッテリ、 1bは充電器、 3はカレンダ機構、 35はカレンダ部、 4は検出手段、 4aは切断検出部、 5は記憶手段、 6は判定手段、 6aは判定部、 7aは電圧検出部、 8aは通知部、 10はメモリ を示す。 FIG. 1 is a block diagram showing the principle of the present invention, and FIG. 2 is a block diagram showing an embodiment of the present invention. In the figure, 1a is a battery, 1b is a charger, 3 is a calendar mechanism, 35 is a calendar unit, 4 is a detection unit, 4a is a disconnection detection unit, 5 is a storage unit, 6 is a determination unit, 6a is a determination unit, and 7a is A voltage detector, 8a is a notification unit, and 10 is a memory.

フロントページの続き (56)参考文献 特開 昭63−237977(JP,A) 特開 昭61−128737(JP,A) 特開 昭56−22544(JP,A) 実開 昭57−38229(JP,U) 実開 昭58−115843(JP,U)Continuation of the front page (56) References JP-A-63-237977 (JP, A) JP-A-61-128737 (JP, A) JP-A-56-22544 (JP, A) Actual development Sho-57-38229 (JP , U) Actual development Sho 58-115843 (JP, U)

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】電子装置の装置電源をバックアップする補
助バッテリのバッテリ保守装置であって、 日時を計時するカレンダ機構と、 装置電源の切断を検出する検出手段と、 該検出手段の検出信号と該カレンダ機構の計時に基づい
て装置電源切断の日時を記憶する記憶手段と、 装置電源が投入されたとき該記憶手段の記憶に基づいた
装置電源切断から投入までの時間が所定時間を超えるか
否かを判定する判定手段と、 該判定手段の判定結果が前記所定時間を超えている時に
は、前記補助バッテリの充電不足であることを通知する
通知手段と、 を備えていることを特徴とする補助バッテリのバッテリ
保守装置。
1. A battery maintenance device for an auxiliary battery for backing up the device power supply of an electronic device, comprising: a calendar mechanism for timing the date and time; detection means for detecting disconnection of the device power supply; detection signal of the detection means; Storage means for storing the date and time of power-off of the device based on the timekeeping of the calendar mechanism, and whether or not the time from power-off to power-on of the device based on the memory of the storage means when the power of the device is turned on exceeds a predetermined time. An auxiliary battery for notifying that the auxiliary battery is insufficiently charged when the judgment result of the judging means exceeds the predetermined time. Battery maintenance equipment.
JP63313139A 1988-12-12 1988-12-12 Battery maintenance device for auxiliary battery Expired - Lifetime JP2687520B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63313139A JP2687520B2 (en) 1988-12-12 1988-12-12 Battery maintenance device for auxiliary battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63313139A JP2687520B2 (en) 1988-12-12 1988-12-12 Battery maintenance device for auxiliary battery

Publications (2)

Publication Number Publication Date
JPH02159932A JPH02159932A (en) 1990-06-20
JP2687520B2 true JP2687520B2 (en) 1997-12-08

Family

ID=18037566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63313139A Expired - Lifetime JP2687520B2 (en) 1988-12-12 1988-12-12 Battery maintenance device for auxiliary battery

Country Status (1)

Country Link
JP (1) JP2687520B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993024878A1 (en) * 1992-05-26 1993-12-09 Fujitsu Limited Magnetic disk device
JP7465525B2 (en) * 2020-04-20 2024-04-11 株式会社ジャパンマグネット Disaster prevention supplies storage device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5622544A (en) * 1979-07-31 1981-03-03 Sanyo Electric Co Charger
JPS58115843U (en) * 1982-01-28 1983-08-08 新神戸電機株式会社 DC power supply
JPS61128737A (en) * 1984-11-28 1986-06-16 富士通株式会社 Total floating dc power feed system

Also Published As

Publication number Publication date
JPH02159932A (en) 1990-06-20

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