JPH04281332A - Rechargeable battery - Google Patents

Rechargeable battery

Info

Publication number
JPH04281332A
JPH04281332A JP3042063A JP4206391A JPH04281332A JP H04281332 A JPH04281332 A JP H04281332A JP 3042063 A JP3042063 A JP 3042063A JP 4206391 A JP4206391 A JP 4206391A JP H04281332 A JPH04281332 A JP H04281332A
Authority
JP
Japan
Prior art keywords
rechargeable battery
electricity
battery
rechargeable
charger
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.)
Pending
Application number
JP3042063A
Other languages
Japanese (ja)
Inventor
Shunichi Ukiya
浮谷 俊一
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP3042063A priority Critical patent/JPH04281332A/en
Publication of JPH04281332A publication Critical patent/JPH04281332A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

PURPOSE:To charge a rechargeable secondary battery efficiently and to grasp the residual capacity of battery accurately. CONSTITUTION:The rechargeable battery unit has means for measuring the quantity of electricity discharge and means to store and transmit thus measured quantity. The changer is provided with means for receiving the quantity of electricity transmitted from the rechargeable battery and charging the rechargeable battery with thus received quantity of electricity. According to the invention, the rechargeable battery can be protected against overcharge.

Description

【発明の詳細な説明】[Detailed description of the invention]

【0001】0001

【産業上の利用分野】本発明は充電式電池と充電器を用
いた充電式電池装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rechargeable battery device using a rechargeable battery and a charger.

【0002】0002

【従来の技術】近年、コードレス電話、小型ビデオカメ
ラに代表されるように電源に充電式電池を用いる機器が
増加している。このような充電式電池において残量を把
握するには電池電圧により判断するものが主であった。 又、充電器は充電式電池に一定電流を流すものや、一定
時間のみ充電電流を流すものが主であった。
2. Description of the Related Art In recent years, there has been an increase in the number of devices that use rechargeable batteries as power sources, such as cordless telephones and small video cameras. In such rechargeable batteries, the remaining capacity has mainly been determined based on the battery voltage. In addition, most chargers are those that flow a constant current to rechargeable batteries or those that flow charging current only for a certain period of time.

【0003】0003

【発明が解決しようとする課題】しかしながら、上記の
ような電池残量の把握方法及び充電方法による装置では
、正確な電池残量を把握し、且つ充電に最適な充電電流
を流し、充電時間を適切に制御することができず、充電
式電池の過放電や過充電を起こし易く電池の寿命を短く
する等の欠点を有していた。
[Problems to be Solved by the Invention] However, in the device using the above-described method of determining the remaining battery level and charging method, it is difficult to accurately determine the remaining battery level, flow the optimal charging current for charging, and adjust the charging time. It cannot be controlled appropriately, and has disadvantages such as over-discharging and over-charging of rechargeable batteries, which shortens the life of the batteries.

【0004】0004

【課題を解決するための手段】本発明においては充電式
電池に、放電した電気量を計測する手段と、その値を記
憶する手段と、その値を充電器に送信する手段を持たせ
るとともに、又、充電器には、前記充電式電池より送信
された電気量の値を受信する手段と、その値によって充
電する電気量を制御する手段を持たせた。
[Means for Solving the Problems] In the present invention, a rechargeable battery is provided with a means for measuring the amount of discharged electricity, a means for storing the value, and a means for transmitting the value to the charger. Further, the charger is provided with means for receiving the value of the amount of electricity transmitted from the rechargeable battery, and means for controlling the amount of electricity to be charged based on the value.

【0005】[0005]

【作用】上記のような構成によれば、充電式電池は常に
最適な条件で充電されると共に、電池の残量も正確に把
握することができる。
[Operation] According to the above structure, the rechargeable battery is always charged under optimal conditions, and the remaining capacity of the battery can be accurately determined.

【0006】[0006]

【実施例】以下に本発明の第1の実施例を図面に基づい
て説明する。図1に本発明の充電式電池装置のブロック
図を示す。充電式電池1における電池10は電気量計測
手段11を介して、端子14に接続されている。又、電
気量計測手段11は記憶手段12、送信手段13と順次
従属的に接続されている。充電器2における電源20は
、電気量制御手段21を介して端子23に接続されてい
る。受信手段22は電気量制御手段21に接続されてい
る。なお、本発明の全体構成を図2の斜視図に示す。
DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a block diagram of the rechargeable battery device of the present invention. A battery 10 in the rechargeable battery 1 is connected to a terminal 14 via an electrical quantity measuring means 11. Further, the electrical quantity measuring means 11 is connected to the storage means 12 and the transmission means 13 in a subordinate manner. A power source 20 in the charger 2 is connected to a terminal 23 via an electricity quantity control means 21 . The receiving means 22 is connected to the electricity quantity control means 21 . The overall configuration of the present invention is shown in the perspective view of FIG. 2.

【0007】次にその動作を説明する。充電式電池1は
その電池を消費する機器に接続され放電を始めると、電
気量計測手段11がその電気量を計測しその値を記憶手
段12で記憶する。記憶手段12で記憶された電気量の
値は、充電式電池1を充電器2に接続した場合、充電式
電池1の送信手段13よりデータとなって送信される。 充電器2は充電式電池1が接続された場合、充電式電池
1より送信された電気量のデータを受信手段22で受信
して、その電気量のデータに対応した充電条件を電源2
0、電気量制御手段21で設定して充電式電池1へ充電
する。この場合、電気量のデータの授受は充電式電池1
と充電器2との間で行われるが、この方法としては端子
14を利用した機械的接触方法、赤外線を利用した授受
方法、電磁誘導を利用した授受方法、又は電波を利用し
た授受方法等いずれでも採用可能である。
Next, its operation will be explained. When the rechargeable battery 1 is connected to a device that consumes the battery and starts discharging, the electric quantity measuring means 11 measures the electric quantity and stores the value in the storage means 12. When the rechargeable battery 1 is connected to the charger 2, the value of the amount of electricity stored in the storage means 12 is transmitted as data from the transmitting means 13 of the rechargeable battery 1. When the rechargeable battery 1 is connected, the charger 2 receives the data on the amount of electricity transmitted from the rechargeable battery 1 using the receiving means 22, and transmits the charging conditions corresponding to the data on the amount of electricity to the power source 2.
0, is set by the electricity quantity control means 21 and the rechargeable battery 1 is charged. In this case, the exchange of electricity data is carried out by the rechargeable battery 1.
and the charger 2, but this method may include a mechanical contact method using the terminal 14, a method of transmitting and receiving using infrared rays, a method of transmitting and receiving using electromagnetic induction, a method of transmitting and receiving using radio waves, etc. However, it is possible to adopt.

【0008】次に第2の実施例について説明する。図3
は、第2の実施例のブロック図を示すものであって、第
1の実施例の充電式電池1の部分のみを示してある。そ
して、この第2の実施例の外観を示す斜視図は図4に示
してある。この実施例は上記第1の実施例の充電式電池
1に電池残量を表示する表示装置31を付加したもので
あり、その他の点は第1の実施例と同じである。
Next, a second embodiment will be explained. Figure 3
1 shows a block diagram of the second embodiment, in which only a portion of the rechargeable battery 1 of the first embodiment is shown. A perspective view showing the appearance of this second embodiment is shown in FIG. This embodiment is the same as the first embodiment except that a display device 31 for displaying the remaining battery level is added to the rechargeable battery 1 of the first embodiment.

【0009】[0009]

【発明の効果】本発明によれば充電式電池が自己の放電
量を認識するとともに、充電器はその放電量に対応した
充電をするので充電式電池を過充電にすることがなく、
充電式電池の寿命を短くすることを防止できる。又、充
電式電池の残量が正確に分かるので、この充電式電池を
使用した機器を動作させた時、突然の電池切れという事
態を防止できるなど種々の効果がある。
[Effects of the Invention] According to the present invention, the rechargeable battery recognizes its own discharge amount, and the charger charges according to the discharge amount, so that the rechargeable battery is not overcharged.
This prevents the life of rechargeable batteries from being shortened. Furthermore, since the remaining capacity of the rechargeable battery can be accurately determined, there are various effects such as being able to prevent the battery from suddenly running out when operating equipment using the rechargeable battery.

【図面の簡単な説明】[Brief explanation of the drawing]

【図1】本発明に係わる第1の実施例の充電式電池装置
のブロック図である。
FIG. 1 is a block diagram of a rechargeable battery device according to a first embodiment of the present invention.

【図2】充電式電池装置を示す斜視図である。FIG. 2 is a perspective view showing a rechargeable battery device.

【図3】第2の実施例を示すブロック図である。FIG. 3 is a block diagram showing a second embodiment.

【図4】第2の実施例を示す斜視図である。FIG. 4 is a perspective view showing a second embodiment.

【符号の説明】[Explanation of symbols]

1  充電式電池 2  充電器 10  電池 11  電気量計測手段 12  記憶手段 13  送信手段 14  端子 20  電源 21  電気量制御手段 22  受信手段 23  電源コード 31  表示装置 1 Rechargeable battery 2 Charger 10 Battery 11 Electricity measurement means 12. Storage means 13 Transmission means 14 Terminal 20 Power supply 21 Electricity control means 22 Receiving means 23 Power cord 31 Display device

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】  充電式電池と前記充電式電池を充電す
るための充電器において、前記充電式電池は自ら放電し
た電気量を計測する手段とその計測した値を記憶する手
段とその記憶した値を前記充電器に送信する手段を持ち
、また前記充電器は前記充電式電池より送信された電気
量の値を受信する手段とその値により前記充電式電池に
充電する電気量を制御する手段を持つことを特徴とする
充電式電池装置。
1. A rechargeable battery and a charger for charging the rechargeable battery, wherein the rechargeable battery comprises means for measuring the amount of electricity discharged by itself, means for storing the measured value, and the stored value. The charger has means for receiving the value of the amount of electricity transmitted from the rechargeable battery, and means for controlling the amount of electricity charged in the rechargeable battery based on the value. A rechargeable battery device characterized by having:
JP3042063A 1991-03-07 1991-03-07 Rechargeable battery Pending JPH04281332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3042063A JPH04281332A (en) 1991-03-07 1991-03-07 Rechargeable battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3042063A JPH04281332A (en) 1991-03-07 1991-03-07 Rechargeable battery

Publications (1)

Publication Number Publication Date
JPH04281332A true JPH04281332A (en) 1992-10-06

Family

ID=12625644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3042063A Pending JPH04281332A (en) 1991-03-07 1991-03-07 Rechargeable battery

Country Status (1)

Country Link
JP (1) JPH04281332A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6066938A (en) * 1998-03-18 2000-05-23 Makita Corporation Charging system including a charger and an electric power tool operating on an internal battery unit
US6229280B1 (en) 1998-03-18 2001-05-08 Makita Corporation Power tool charging system having a charge level indicator and charge control functions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6066938A (en) * 1998-03-18 2000-05-23 Makita Corporation Charging system including a charger and an electric power tool operating on an internal battery unit
US6229280B1 (en) 1998-03-18 2001-05-08 Makita Corporation Power tool charging system having a charge level indicator and charge control functions

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