JPH08124546A - Charging battery pack - Google Patents
Charging battery packInfo
- Publication number
- JPH08124546A JPH08124546A JP6262287A JP26228794A JPH08124546A JP H08124546 A JPH08124546 A JP H08124546A JP 6262287 A JP6262287 A JP 6262287A JP 26228794 A JP26228794 A JP 26228794A JP H08124546 A JPH08124546 A JP H08124546A
- Authority
- JP
- Japan
- Prior art keywords
- rechargeable battery
- voltage
- case
- charging
- battery pack
- 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
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、充電器を介して商用電
源に接続することにより充電され、電気用品の電源とし
て用いられる充電池パックに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rechargeable battery pack which is charged by being connected to a commercial power source via a charger and used as a power source for electric appliances.
【０００２】[0002]
【従来の技術】携帯用の電気用品の電源には電池が利用
されているが、電池の消耗を避けるために充電池を内蔵
した充電池パックを着脱自在に装着した電気用品が普及
している。このような電気用品は付属品として充電池パ
ックを充電するための充電器を具備している。また、従
来の充電器は充電中又は充電完了の表示をするものはあ
るが、充電電圧を表示するものはない。2. Description of the Related Art Although a battery is used as a power source for portable electric appliances, electric appliances in which a rechargeable battery pack having a built-in rechargeable battery is removably mounted are popular in order to avoid battery consumption. . Such an electric appliance is equipped with a charger for charging a rechargeable battery pack as an accessory. Further, some conventional chargers display charging or completion of charging, but none display charging voltage.
【０００３】[0003]
【発明が解決しようとする課題】従来の充電池パックは
それ自身で充電電圧を知ることができないため、電気用
品に装着して作動状態を確認しなければ充電状態を知る
ことができない。ビデオカメラのように連続使用可能時
間が短い電気用品の場合には複数の充電池パックを必要
とするが、幾つもの充電池パックを電気用品に装着して
作動状態を確認することは極めて煩わしい。また、充電
池パックを充電器に装着して充電する場合においても、
現在の充電電圧が分からないため、比較的電圧の高い充
電池パックを長時間充電することがある。このような場
合には、過充電防止機能を有しない充電器を用いたとき
に過充電になるおそれがある。Since the conventional rechargeable battery pack cannot know the charging voltage by itself, the charging state cannot be known unless it is mounted on an electric appliance and the operating state is confirmed. In the case of an electric appliance such as a video camera which has a short continuous usable time, a plurality of rechargeable battery packs are required, but it is extremely troublesome to attach several rechargeable battery packs to the electric appliance to check the operating state. Also, when charging with the rechargeable battery pack attached to the charger,
Since the current charging voltage is unknown, a rechargeable battery pack having a relatively high voltage may be charged for a long time. In such a case, there is a risk of overcharge when using a charger that does not have an overcharge prevention function.
【０００４】[0004]
【課題を解決するための手段】本発明は、ケースに収納
された充電池と、この充電池に極毎に接続されて前記ケ
ースから露出され負荷又は充電器に接続される電源端子
と、スイッチを介して前記充電池に接続されるとともに
前記ケースに設けられた電圧検出回路と、前記ケースの
表面に配設されて前記電圧検出回路に接続された表示部
とにより構成した。The present invention is directed to a rechargeable battery housed in a case, a power supply terminal connected to the rechargeable battery for each pole, exposed from the case, and connected to a load or a charger, and a switch. And a display unit that is connected to the rechargeable battery via the and that is provided in the case, and a display unit that is disposed on the surface of the case and is connected to the voltage detection circuit.
【０００５】[0005]
【作用】スイッチをオンにすることにより充電池と電圧
検出回路とが接続されるため、充電池の電圧が電圧検出
回路により検出され、検出された電圧が表示部により表
示される。Since the rechargeable battery and the voltage detection circuit are connected by turning on the switch, the voltage of the rechargeable battery is detected by the voltage detection circuit, and the detected voltage is displayed on the display unit.
【０００６】[0006]
【実施例】本発明の一実施例を図面に基づいて説明す
る。図２において、ケース１の内部には充電池２と回路
基板３とスイッチ４とが設けられ、ケース１の表面には
電源端子５，６と表示部７とが異なる側面に配置されて
設けられている。スイッチ４は、図３に示すように、表
示部７が上側になるようにケース１を立てると可動接点
（図示せず）が自重で下がって固定接点（図示せず）に
接触することによりオンとなるものである。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. In FIG. 2, a rechargeable battery 2, a circuit board 3, and a switch 4 are provided inside the case 1, and power supply terminals 5 and 6 and a display unit 7 are provided on different side surfaces on the surface of the case 1. ing. As shown in FIG. 3, when the case 1 is erected so that the display unit 7 is on the upper side, the switch 4 is turned on by the movable contact (not shown) being lowered by its own weight and coming into contact with the fixed contact (not shown). It will be.
【０００７】図１に示すように、前記表示部７は一列に
配列された複数のＬＥＤ７ａ〜７ｈを有する。８は前記
回路基板３に形成された電圧検出回路で、この電圧検出
回路８は、一端がＬＥＤ７ａ〜７ｈの何れかに接続され
他端が前記スイッチ４に接続された複数の検出素子８ａ
〜８ｈを有する。これらの検出素子８ａ〜８ｈは、それ
ぞれ異なる基準電圧が与えられ、その基準電圧と充電池
２から印加される電圧とを比較し、充電池２の電圧が基
準電圧を越えたときに対応するＬＥＤ７ａ〜７ｈに信号
を出力する一種の比較器のような電圧検出用のＩＣ素子
である。したがって、複数のＬＥＤ７ａ〜７ｈが点灯す
る場合があり、この場合には、最大の電圧によって点灯
するＬＥＤ７ａ〜７ｈが示す目盛や数値によって充電池
２の電圧が確認される。もちろん、異なる電圧により出
力する複数の検出素子により電圧検出回路を形成し、こ
の電圧検出回路の何れかの検出素子の出力により点灯す
る複数のＬＥＤにより表示部を構成してもよい。この場
合には、充電池２に電圧が残っている場合には常に一つ
のＬＥＤが点灯することになる。前記充電池２は、プラ
ス側がスイッチ４と前記電源端子５とに接続され、マイ
ナス側が前記電源端子６に接続されている。As shown in FIG. 1, the display unit 7 has a plurality of LEDs 7a to 7h arranged in a line. Reference numeral 8 denotes a voltage detection circuit formed on the circuit board 3. The voltage detection circuit 8 has a plurality of detection elements 8a each having one end connected to one of the LEDs 7a to 7h and the other end connected to the switch 4.
Having ~ 8h. These detection elements 8a to 8h are respectively supplied with different reference voltages, compare the reference voltage with the voltage applied from the rechargeable battery 2, and detect the corresponding LED 7a when the voltage of the rechargeable battery 2 exceeds the reference voltage. It is an IC element for voltage detection such as a kind of comparator that outputs a signal to 7h. Therefore, the plurality of LEDs 7a to 7h may be lit, and in this case, the voltage of the rechargeable battery 2 is confirmed by the scale and the numerical value indicated by the LEDs 7a to 7h lit by the maximum voltage. Of course, the voltage detection circuit may be formed by a plurality of detection elements that output different voltages, and the display unit may be configured by a plurality of LEDs that are turned on by the output of any detection element of the voltage detection circuit. In this case, when the rechargeable battery 2 has a voltage remaining, one LED is always turned on. The positive side of the rechargeable battery 2 is connected to the switch 4 and the power supply terminal 5, and the negative side is connected to the power supply terminal 6.
【０００８】次に、図４に充電器９を示す。この充電器
９の本体１０の内部には商用電源に接続される充電回路
（図示せず）と表示回路（図示せず）とが内蔵され、表
面には充電池パックのケース１を挿入する複数の挿入口
１１と、これらの挿入口１１の近傍に配列されて前述し
た表示回路に接続された複数の表示素子１２とが設けら
れ、各挿入口１１の内部には前記電源端子５，６を充電
回路に接続する接続端子（図示せず）が設けられてい
る。表示素子１２は、充電中と充電完了時とで異なる色
の光をもって発光するＬＥＤが用いられている。Next, FIG. 4 shows the charger 9. A charging circuit (not shown) connected to a commercial power source and a display circuit (not shown) are built in the main body 10 of the charger 9, and a plurality of cases for inserting the case 1 of the rechargeable battery pack are provided on the surface. 11 are provided, and a plurality of display elements 12 arranged near these insertion ports 11 and connected to the above-mentioned display circuit are provided. Inside each insertion port 11, the power supply terminals 5 and 6 are provided. A connection terminal (not shown) for connecting to the charging circuit is provided. The display element 12 uses an LED that emits light of different colors during charging and when charging is completed.
【０００９】このような構成において、図３に示すよう
に、表示部７を上側にしてケース１を立てるとスイッチ
４がオンになり、充電池２と電圧検出回路８とが接続さ
れる。これにより、充電池２の電圧が検出回路８により
検出される。すなわち、充電池２の電圧に応じて検出素
子８ａ〜８ｈの何れかにより信号が出力され、その出力
によりＬＥＤ７ａ〜７ｈの何れかが点灯する。この場
合、何れのＬＥＤ７ａ〜７ｈが点灯したかによって充電
池２の電圧を知ることが可能である。In such a structure, as shown in FIG. 3, when the display unit 7 is placed on the upper side and the case 1 is erected, the switch 4 is turned on and the rechargeable battery 2 and the voltage detection circuit 8 are connected. As a result, the voltage of the rechargeable battery 2 is detected by the detection circuit 8. That is, a signal is output by any of the detection elements 8a to 8h according to the voltage of the rechargeable battery 2, and the output turns on any of the LEDs 7a to 7h. In this case, the voltage of the rechargeable battery 2 can be known depending on which of the LEDs 7a to 7h is turned on.
【００１０】充電池パックの充電池２を充電する場合
は、図４に示すように、充電器９のケース１を挿入口１
１に差し込み、充電器９側の電源スイッチ（図示せず）
をオンにして充電器９を商用電源に接続することによ
り、充電が開始される。この場合、ケース１は表示部７
を上側に向けて立つ姿勢であるため、スイッチ４が自動
的にオンとなり、前述したように充電池２の電圧が表示
部７により表示される。したがって、表示された電圧に
応じて充電時間を予測することができ、これにより、充
電池２の過充電を防止することができる。When charging the rechargeable battery 2 of the rechargeable battery pack, the case 1 of the charger 9 is inserted into the insertion opening 1 as shown in FIG.
Power switch on the charger 9 side (not shown)
By turning on and connecting the charger 9 to a commercial power source, charging is started. In this case, the case 1 has the display unit 7
The switch 4 is automatically turned on, and the voltage of the rechargeable battery 2 is displayed on the display unit 7 as described above. Therefore, the charging time can be predicted according to the displayed voltage, and thus the overcharge of the rechargeable battery 2 can be prevented.
【００１１】なお、本実施例において、表示部７を上側
に向けてケース１を立てたときに、自動的にオンになる
スイッチ４を用いた状態で説明したが、手動により切り
替えるスイッチを用いてもよい。何れの場合でも、電圧
を検出表示しないときにはスイッチをオフ状態に維持す
ることにより、充電池２の消耗を防ぐことができる。In the present embodiment, the switch 4 is automatically turned on when the case 1 is set up with the display unit 7 facing upward, but the switch 4 is manually switched. Good. In any case, by keeping the switch off when the voltage is not detected and displayed, it is possible to prevent the rechargeable battery 2 from being consumed.
【００１２】[0012]
【発明の効果】本発明は、充電池と電圧検出回路とが内
蔵されたケースの表面に、電圧検出回路に接続された表
示部を設け、電圧検出回路をスイッチを介して充電池に
接続したので、スイッチをオンにすることにより充電池
の電圧を電圧検出回路により検出し、その検出した電圧
を表示部により表示することができ、したがって、充電
池パックを電気用品に装着して作動状態を確認する煩わ
しい操作をすることなく充電池パックの電圧を速やかに
知ることができ、また、充電池パックを充電する場合で
も、現在の充電電圧をその場で知ることができるため、
表示された電圧に応じて充電時間を予測することがで
き、これにより充電池パックの過充電を防止することが
できる等の効果を有する。According to the present invention, the display unit connected to the voltage detection circuit is provided on the surface of the case containing the rechargeable battery and the voltage detection circuit, and the voltage detection circuit is connected to the rechargeable battery via the switch. Therefore, by turning on the switch, the voltage of the rechargeable battery can be detected by the voltage detection circuit, and the detected voltage can be displayed on the display unit. It is possible to quickly know the voltage of the rechargeable battery pack without performing a troublesome operation to check, and even when charging the rechargeable battery pack, it is possible to know the current charging voltage on the spot,
The charging time can be predicted according to the displayed voltage, and this has the effect of preventing overcharging of the rechargeable battery pack.
【図１】本発明の一実施例における充電池パックの回路
図である。FIG. 1 is a circuit diagram of a rechargeable battery pack according to an embodiment of the present invention.
【図２】ケース一部を切欠して内部構造を示す斜視図で
ある。FIG. 2 is a perspective view showing an internal structure with a part of the case cut out.
【図３】表示部を上側に向けてケースを立てた状態を示
す斜視図である。FIG. 3 is a perspective view showing a state in which the case is erected with the display section facing upward.
【図４】充電状態を示す斜視図である。FIG. 4 is a perspective view showing a charged state.
１ ケース ２ 充電池 ４ スイッチ ５，６ 電源端子 ７ 表示部 ８ 電圧検出回路 1 case 2 rechargeable battery 4 switch 5 and 6 power supply terminal 7 display 8 voltage detection circuit
Claims (1)
池に極毎に接続されて前記ケースから露出され負荷又は
充電器に接続される電源端子と、スイッチを介して前記
充電池に接続されるとともに前記ケースに設けられた電
圧検出回路と、前記ケースの表面に配設されて前記電圧
検出回路に接続された表示部とよりなることを特徴とす
る充電池パック。1. A rechargeable battery housed in a case, a power supply terminal connected to the rechargeable battery for each pole, exposed from the case and connected to a load or a charger, and connected to the rechargeable battery via a switch. A rechargeable battery pack, comprising: a voltage detection circuit provided in the case and a display unit provided on the surface of the case and connected to the voltage detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6262287A JPH08124546A (en) | 1994-10-26 | 1994-10-26 | Charging battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6262287A JPH08124546A (en) | 1994-10-26 | 1994-10-26 | Charging battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08124546A true JPH08124546A (en) | 1996-05-17 |
Family
ID=17373694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6262287A Pending JPH08124546A (en) | 1994-10-26 | 1994-10-26 | Charging battery pack |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08124546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016101082A (en) * | 2014-11-18 | 2016-05-30 | 正仁 櫨田 | Charger circuit for secondary battery |
-
1994
- 1994-10-26 JP JP6262287A patent/JPH08124546A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016101082A (en) * | 2014-11-18 | 2016-05-30 | 正仁 櫨田 | Charger circuit for secondary battery |
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