JPH10285816A - Method and equipment for constant-current and constant-voltage charging - Google Patents
Method and equipment for constant-current and constant-voltage chargingInfo
- Publication number
- JPH10285816A JPH10285816A JP9105228A JP10522897A JPH10285816A JP H10285816 A JPH10285816 A JP H10285816A JP 9105228 A JP9105228 A JP 9105228A JP 10522897 A JP10522897 A JP 10522897A JP H10285816 A JPH10285816 A JP H10285816A
- Authority
- JP
- Japan
- Prior art keywords
- constant
- charging
- charged
- current
- battery
- 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
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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]
【発明の属する技術分野】本発明は、上限電圧を規定し
て充電対象となる電池を定電流・定電圧充電する方法及
び装置に関し、特に、リチウムイオン電池や鉛蓄電池を
定電流・定電圧充電する方法及び装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for charging a battery to be charged at a constant current and a constant voltage by defining an upper limit voltage, and more particularly, to a method for charging a lithium ion battery and a lead storage battery at a constant current and a constant voltage. To a method and apparatus.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】リチウ
ムイオン電池や鉛蓄電池、特にリチウムイオン電池の充
電には周知のように定電流・定電圧充電が用いられる。
この充電方法は、図１に示すように、充電の進行に伴っ
て徐々に充電電圧が上昇し、設定された充電時の最大電
圧（上限規定充電電圧）に達した後に定電圧充電に移行
し、ある時間の経過後に充電が完了するというものであ
る。この定電流・定電圧充電の特徴は、充電初期（定電
流充電）は時間当たりの充電量が多く、定電圧充電にな
ると徐々に充電電流が減少して時間当たりの充電量も徐
々に減少することにある。またこのような充電のための
装置は、充電時の最大電圧と充電に要する最大電流を精
度よく一定に保ち得る回路構成を要するものとなってお
り、種々の装置が知られている。なお上限規定充電電圧
及び電流値は電池の種類によって異なるが、通常は電圧
４．１〜４．２Ｖ、電流は０．５Ｃ程度である。2. Description of the Related Art As is well known, constant current / constant voltage charging is used for charging lithium ion batteries and lead storage batteries, particularly lithium ion batteries.
In this charging method, as shown in FIG. 1, the charging voltage gradually rises with the progress of charging, and after reaching a set maximum voltage at the time of charging (upper limit specified charging voltage), shifts to constant voltage charging. That is, the charging is completed after a certain time has elapsed. The feature of this constant current / constant voltage charging is that the initial charge (constant current charge) has a large amount of charge per time, and when the charge becomes constant voltage, the charge current gradually decreases, and the charge amount per hour also gradually decreases. It is in. In addition, such a device for charging requires a circuit configuration capable of accurately and constantly maintaining the maximum voltage during charging and the maximum current required for charging, and various devices are known. Note that the upper limit prescribed charging voltage and current value vary depending on the type of battery, but the voltage is usually 4.1 to 4.2 V and the current is about 0.5 C.
【０００３】ところで上述のような定電流・定電圧充電
により、複数個のリチウムイオン電池や鉛蓄電池を充電
しようとする場合、従来は多連順次充電、即ち、充電装
置１個で、順番に電池を１個ずつ充電してゆくものであ
る。この方式の場合、１個の電池の満充電を検知して、
次の電池の充電に進むことになるので、対象となる複数
個の電池全てを充電完了状態とするには、１個の電池を
満充電とするのに要する時間（例えばリチウムイオン電
池では２〜３時間）の個数倍の時間が掛かる。In the case where a plurality of lithium ion batteries or lead-acid batteries are to be charged by the above-described constant current / constant voltage charging, conventionally, multiple batteries are sequentially charged, that is, the batteries are sequentially charged by one charging device. Are charged one by one. In the case of this method, when the full charge of one battery is detected,
Since the process proceeds to the charging of the next battery, the time required for one battery to be fully charged (for example, 2 to 2 in the case of a lithium ion battery) is required to bring all of the plurality of target batteries into a fully charged state. 3 hours).
【０００４】例えば４本のリチウムイオン電池をこの多
連順次充電による充電するには、８〜１２時間を必要と
する。従って、この種の電池の使用者が複数本の電池を
充電するには、一般的には夜間に行うようにしており、
その場合、一晩中充電し続けるようになるのが通例とな
っている。[0004] For example, it takes 8 to 12 hours to charge four lithium ion batteries by this multiple sequential charging. Therefore, a user of this type of battery generally charges a plurality of batteries at night,
In that case, it is customary to keep charging overnight.
【０００５】一方、リチウムイオン電池や鉛蓄電池は、
図１からもわかるように、満充電になるのに要する時間
の２０％程度で５０％の充電容量となり、４０％の時間
で８５％の充電容量となる。本発明は、このような充電
の形態に鑑みてなしたもので、複数本のリチウムイオン
電池あるいは鉛蓄電池を短時間で利用可能にする定電流
・定電圧充電方法及び定電流・定電圧充電装置を提供す
ることを目的とする。On the other hand, lithium-ion batteries and lead-acid batteries
As can be seen from FIG. 1, the charging capacity becomes 50% when the charging time is about 20%, and the charging capacity becomes 85% when the charging time is 40%. The present invention has been made in view of such a form of charging, and a constant current / constant voltage charging method and a constant current / constant voltage charging device for enabling a plurality of lithium ion batteries or lead storage batteries to be used in a short time. The purpose is to provide.
【０００６】[0006]
【課題を解決するための手段】本発明に係る定電流・定
電圧充電方法のうち請求項１に係るものは、上記目的を
達成するために、上限電圧を規定して充電対象となる電
池を定電流・定電圧充電する方法であって、充電対象と
なる電池の満充電に要する時間未満でかつ予め定めた一
定時間ごとに、複数の充電対象となる電池を順次に切り
替えて充電することを特徴とする。According to a first aspect of the present invention, there is provided a constant current / constant voltage charging method according to the present invention. A constant-current / constant-voltage charging method, in which a plurality of batteries to be charged are sequentially switched and charged less than a time required for full charging of a battery to be charged and at predetermined time intervals. Features.
【０００７】また本発明に係る定電流・定電圧充電装置
のうち請求項２に係るものは、上記目的を達成するため
に、上限電圧を規定して充電対象となる電池を定電流・
定電圧充電する装置であって、定電流・定電圧制御を行
う手段と、充電対象となる電池をセットする複数個のセ
ット手段と、上記定電流・定電圧制御手段と上記複数個
のセット手段の間の接続を切り替える手段とからなり、
該切り替え手段が、上記定電流・定電圧制御手段と上記
複数個のセット手段の間の接続を、充電対象となる電池
の満充電に要する時間未満でかつ予め定めた一定時間に
ごとに順次に切り替えることを特徴とする。According to a second aspect of the present invention, there is provided a constant current / constant voltage charging apparatus according to the second aspect of the present invention.
An apparatus for charging at a constant voltage, comprising: means for performing constant current / constant voltage control; a plurality of setting means for setting a battery to be charged; the constant current / constant voltage control means; and the plurality of setting means Means for switching the connection between
The switching means sequentially connects the connection between the constant current / constant voltage control means and the plurality of setting means at a time shorter than a time required for a full charge of a battery to be charged and at a predetermined time. Switching is characterized.
【０００８】さらに本発明に係る定電流・定電圧充電装
置のうち請求項３に係るものは、上記目的を達成するた
めに、上記定電流・定電圧制御手段と上記複数個のセッ
ト手段の間に充電状態の監視手段を介在させ、該充電状
態監視手段に充電状態を表示する手段を接続し、充電中
の電池の充電状態を表示可能としてなることを特徴とす
る。[0008] Further, the constant current / constant voltage charging device according to the third aspect of the present invention is arranged such that the constant current / constant voltage control means and the plurality of setting means are connected to each other. And a means for displaying the state of charge is connected to the state-of-charge monitoring means, so that the state of charge of the battery being charged can be displayed.
【０００９】本発明に係る定電流・定電圧充電方法及び
定電流・定電圧充電装置は、上限電圧を規定して充電対
象となる電池を定電流・定電圧充電するものであり、従
ってリチウムイオン電池や鉛蓄電池を対象とし得るもの
であるが、本発明における充電対象はこの例には限定さ
れず、上限電圧を規定して定電流・定電圧充電可能な電
池の全てを充電対象とするものである。A constant-current / constant-voltage charging method and a constant-current / constant-voltage charging device according to the present invention define an upper limit voltage to charge a battery to be charged at a constant current / constant voltage. Although the present invention can be applied to batteries and lead-acid batteries, the present invention is not limited to this example, and all the batteries that can be charged at a constant current and a constant voltage by defining an upper limit voltage are to be charged. It is.
【００１０】[0010]
【発明の実施の形態】以下本発明の実施の形態を図面を
参照して説明する。図２は本発明に係る定電流・定電圧
充電装置の一実施形態の回路図である。本実施形態の装
置は、主に、定電流・定電圧充電制御回路１と、マイク
ロコンピュータ及びその周辺機器を利用したコントロー
ラ２と、充電対象となる複数個の電池（ＣＨ−１〜ＣＨ
−４をセットする端子部３、充電状態の表示器４及び電
源回路５とからなる。なお図示の例は充電対象となる電
池の本数を４本としてあるが、本発明はこれに限定され
ない。また端子部３の構造自体は周知のものであるので
図示は省略する。Embodiments of the present invention will be described below with reference to the drawings. FIG. 2 is a circuit diagram of one embodiment of the constant current / constant voltage charging device according to the present invention. The device of the present embodiment mainly includes a constant current / constant voltage charge control circuit 1, a controller 2 using a microcomputer and its peripheral devices, and a plurality of batteries (CH-1 to CH-1) to be charged.
-4, a charging status indicator 4 and a power supply circuit 5. In the illustrated example, the number of batteries to be charged is four, but the present invention is not limited to this. Since the structure of the terminal portion 3 is well known, it is not shown.
【００１１】コントローラ２は、定電流・定電圧充電制
御回路１の出力に並列に接続する４個のスイッチング回
路ＳＷ−１〜ＳＷ−４と、定電流・定電圧充電制御回路
１の出力とスイッチング回路ＳＷ−１〜ＳＷ−４の間に
接続し、電池ＣＨ−１〜ＣＨ−４への充電状態、具体的
には充電電圧を表示する充電状態監視回路６と、充電状
態監視回路６の出力に応じて表示器４に表示させる充電
状態を可変させる充電状態表示回路７とを備えている。
表示器４にはＬＥＤ表示装置その他種々の装置を採用す
ればよい。コントローラ２はまた、４個のスイッチング
回路ＳＷ−１〜ＳＷ−４に対する切り替え時間設定回路
８と、切り替え駆動回路９を備えている。これらコント
ローラ２の内蔵する回路の具体的な回路構成の図示は、
種々公知の回路を採用できるので、具体的な図示は省略
する。The controller 2 includes four switching circuits SW-1 to SW-4 connected in parallel to the output of the constant current / constant voltage charging control circuit 1, and the output of the constant current / constant voltage charging control circuit 1 and the switching. A charge state monitoring circuit 6 connected between the circuits SW-1 to SW-4 to display a charge state of the batteries CH-1 to CH-4, specifically, a charge voltage; and an output of the charge state monitor circuit 6 And a charge state display circuit 7 for changing a charge state to be displayed on the display 4 in accordance with the condition.
The display 4 may be an LED display device or other various devices. The controller 2 also includes a switching time setting circuit 8 for the four switching circuits SW-1 to SW-4, and a switching drive circuit 9. The specific circuit configuration of the circuit built in the controller 2 is shown in FIG.
Since various known circuits can be employed, specific illustration is omitted.
【００１２】次に本実施形態の動作を説明する。まず端
子部３に充電しようとする４本の例えばリチウムイオン
電池ＣＨ−１〜ＣＨ−４をセットし、切り替え時間設定
回路８により１本の電池に対して充電を行う時間を例え
ば１時間とセットする。もちろんこのセット時間は満充
電に要する時間以下とするが、必要に応じて使用者が定
めればよい。Next, the operation of this embodiment will be described. First, four lithium ion batteries CH-1 to CH-4 to be charged are set in the terminal unit 3, and the time for charging one battery by the switching time setting circuit 8 is set to, for example, one hour. I do. Of course, this set time is shorter than the time required for full charge, but may be determined by the user as needed.
【００１３】この状態で電源回路５を交流電源に接続
し、充電を開始する。まずリチウムイオン電池ＣＨ−１
を充電対象としたとすると、スイッチング回路ＳＷ−１
のみがオンとなり、リチウムイオン電池ＣＨ−１には充
電初期の定電流充電により急激に充電され、上述の規定
時間である１時間が経過する頃には、満充電ではないが
充電量が約８５％（図１参照）となって、定電圧充電に
移行する状態となる。充電状態監視回路６は、この充電
状態の変化を検出し、充電状態表示回路７を介して充電
状態を表示器４に表示させる。In this state, the power supply circuit 5 is connected to an AC power supply to start charging. First, the lithium ion battery CH-1
Suppose that the switching circuit SW-1
Is turned on, the lithium ion battery CH-1 is rapidly charged by the constant current charging at the initial stage of charging, and when the above-mentioned specified time of one hour has elapsed, the battery is not fully charged but has a charge amount of about 85 % (See FIG. 1), and the state shifts to constant voltage charging. The charge state monitoring circuit 6 detects this change in the charge state, and causes the display 4 to display the charge state via the charge state display circuit 7.
【００１４】そして、充電の開始から切り替え時間が経
過すると、切り替え時間設定回路８が切り替え駆動回路
９を作動させてスイッチング回路ＳＷ−１をオフとし、
次のスイッチング回路ＳＷ−２（もちろんこの順番でな
くてもよい）をオンとする。すると、次のリチウムイオ
ン電池ＣＨ−２が充電対象となり、同様の充電が１時間
にわたって行われる。これを残りのリチウムイオン電池
ＣＨ−３、ＣＨ−４に対しても同様に行う。すると、４
本のリチウムイオン電池の満充電に要する時間の４０％
程度の時間である４時間で、４本のリチウムイオン電池
に対して約８５％の充電がなされることになる。この程
度の充電量でも、リチウムイオン電池の放電特性から見
てかなり長時間にわたり使用できるので、実際の使用に
はなんら差し支えはない。When the switching time has elapsed since the start of charging, the switching time setting circuit 8 activates the switching drive circuit 9 to turn off the switching circuit SW-1,
The next switching circuit SW-2 (of course, the order does not need to be) is turned on. Then, the next lithium ion battery CH-2 is to be charged, and similar charging is performed for one hour. This is similarly performed for the remaining lithium ion batteries CH-3 and CH-4. Then 4
40% of the time required to fully charge a lithium-ion battery
In about 4 hours, which is about the same time, about 85% of the charging of the four lithium ion batteries is performed. Even with such an amount of charge, it can be used for a considerably long time in view of the discharge characteristics of the lithium-ion battery, so there is no problem in actual use.
【００１５】[0015]
【発明の効果】本発明に係る定電流・定電圧充電方法及
び定電流・定電圧充電装置は、以上説明してきたよう
に、充電対象となる電池の満充電に要する時間未満でか
つ予め定めた一定時間ごとに、複数の充電対象となる電
池を順次に切り替えて充電するようにしたので、複数個
の電池の満充電に要する時間よりもかなり短い時間で複
数個の電池を使用可能な状態に充電することができ、特
に多くの本数の電池を使用するものにとっては非常に便
利なものになるという効果がある。As described above, the constant-current / constant-voltage charging method and the constant-current / constant-voltage charging device according to the present invention have a predetermined time shorter than the time required for the full charge of the battery to be charged. At regular time intervals, multiple batteries to be charged are sequentially switched and charged, so that multiple batteries can be used in a time significantly shorter than the time required for full charge of multiple batteries. It has the effect that it can be recharged and is very convenient, especially for those using a large number of batteries.
【図１】リチウムイオン電池の定電流・定電圧充電によ
る充電特性を示す図である。FIG. 1 is a diagram showing charging characteristics of a lithium ion battery by constant current and constant voltage charging.
【図２】本発明に係る定電流・定電圧充電装置の一実施
形態の回路図である。FIG. 2 is a circuit diagram of one embodiment of a constant current / constant voltage charging device according to the present invention.
１ 定電流・定電圧充電制御回路 ２ コントローラ ３ 端子部 ４ 表示器 ５ 電源回路 ６ 充電状態監視回路 ７ 充電状態表示回路 ８ 切り替え時間設定回路 ９ 切り替え駆動回路 ＣＨ−１〜ＣＨ−４ 電池 ＳＷ−１〜ＳＷ−４ スイッチング回路 REFERENCE SIGNS LIST 1 constant current / constant voltage charge control circuit 2 controller 3 terminal unit 4 display 5 power supply circuit 6 charge state monitoring circuit 7 charge state display circuit 8 switching time setting circuit 9 switching drive circuit CH-1 to CH-4 battery SW-1 ~ SW-4 switching circuit
Claims (3)
を定電流・定電圧充電する方法であって、充電対象とな
る電池の満充電に要する時間未満でかつ予め定めた一定
時間ごとに、複数の充電対象となる電池を順次に切り替
えて充電することを特徴とする定電流・定電圧充電方
法。1. A method for charging a battery to be charged at a constant current and a constant voltage by defining an upper limit voltage, wherein the battery is charged less than the time required for full charging of the battery to be charged and at predetermined time intervals. A constant-current / constant-voltage charging method characterized by sequentially charging a plurality of batteries to be charged.
を定電流・定電圧充電する装置であって、定電流・定電
圧制御を行う手段と、充電対象となる電池をセットする
複数個のセット手段と、上記定電流・定電圧制御手段と
上記複数個のセット手段の間の接続を切り替える手段と
からなり、該切り替え手段が、上記定電流・定電圧制御
手段と上記複数個のセット手段の間の接続を、充電対象
となる電池の満充電に要する時間未満でかつ予め定めた
一定時間にごとに順次に切り替えることを特徴とする定
電流・定電圧充電装置。2. An apparatus for constant-current / constant-voltage charging of a battery to be charged by defining an upper-limit voltage, comprising: means for performing constant-current / constant-voltage control; Setting means, and means for switching the connection between the constant current / constant voltage control means and the plurality of setting means. The switching means comprises the constant current / constant voltage control means and the plurality of sets. A constant-current / constant-voltage charging device, characterized in that the connection between the means is sequentially switched at intervals of less than the time required for full charging of the battery to be charged and at predetermined time intervals.
個のセット手段の間に充電状態の監視手段を介在させ、
該充電状態監視手段に充電状態を表示する手段を接続
し、充電中の電池の充電状態を表示可能としてなること
を特徴とする請求項２の定電流・定電圧充電装置。3. A charging state monitoring means is interposed between the constant current / constant voltage control means and the plurality of setting means,
3. The constant current / constant voltage charger according to claim 2, wherein a means for displaying a charge state is connected to the charge state monitoring means, so that the charge state of the battery being charged can be displayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9105228A JPH10285816A (en) | 1997-04-07 | 1997-04-07 | Method and equipment for constant-current and constant-voltage charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9105228A JPH10285816A (en) | 1997-04-07 | 1997-04-07 | Method and equipment for constant-current and constant-voltage charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10285816A true JPH10285816A (en) | 1998-10-23 |
Family
ID=14401811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9105228A Pending JPH10285816A (en) | 1997-04-07 | 1997-04-07 | Method and equipment for constant-current and constant-voltage charging |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10285816A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100336909B1 (en) * | 1999-10-12 | 2002-05-16 | 최좌진 | a device for charging a lithum ion battery |
| WO2017061689A1 (en) * | 2015-10-07 | 2017-04-13 | Samsung Electronics Co., Ltd. | Electronic apparatus, charge controlling method, and computer-readable recording medium |
| JP2018082511A (en) * | 2016-11-14 | 2018-05-24 | 株式会社村田製作所 | Charger, electronic apparatus, electric vehicle and power system |
| KR20180090242A (en) * | 2015-12-31 | 2018-08-10 | 광저우 풀리버 배터리 뉴 테크놀로지 씨오 엘티디 | Lithium-ion battery non-constant voltage charging method for voltage compensation and compensation |
| CN112909366A (en) * | 2019-12-03 | 2021-06-04 | 北京小米移动软件有限公司 | Charging method and device, terminal equipment and storage medium |
-
1997
- 1997-04-07 JP JP9105228A patent/JPH10285816A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100336909B1 (en) * | 1999-10-12 | 2002-05-16 | 최좌진 | a device for charging a lithum ion battery |
| WO2017061689A1 (en) * | 2015-10-07 | 2017-04-13 | Samsung Electronics Co., Ltd. | Electronic apparatus, charge controlling method, and computer-readable recording medium |
| US10547196B2 (en) | 2015-10-07 | 2020-01-28 | Samsung Electronics Co., Ltd. | Electronic apparatus, charge controlling method, and computer-readable recording medium |
| US10998752B2 (en) | 2015-10-07 | 2021-05-04 | Samsung Electronics Co., Ltd. | Electronic apparatus, charge controlling method, and computer-readable recording medium |
| KR20180090242A (en) * | 2015-12-31 | 2018-08-10 | 광저우 풀리버 배터리 뉴 테크놀로지 씨오 엘티디 | Lithium-ion battery non-constant voltage charging method for voltage compensation and compensation |
| EP3370299A4 (en) * | 2015-12-31 | 2018-12-26 | Guangzhou Fullriver Battery New Technology Co., Ltd. | Lithium-ion battery non-constant-voltage charging method for correcting and compensating voltage |
| JP2018082511A (en) * | 2016-11-14 | 2018-05-24 | 株式会社村田製作所 | Charger, electronic apparatus, electric vehicle and power system |
| CN112909366A (en) * | 2019-12-03 | 2021-06-04 | 北京小米移动软件有限公司 | Charging method and device, terminal equipment and storage medium |
| CN112909366B (en) * | 2019-12-03 | 2022-11-04 | 北京小米移动软件有限公司 | Charging method and device, terminal equipment and storage medium |
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