JPH04217A - Charging circuit for electrical double layer capacitor - Google Patents
Charging circuit for electrical double layer capacitorInfo
- Publication number
- JPH04217A JPH04217A JP2099261A JP9926190A JPH04217A JP H04217 A JPH04217 A JP H04217A JP 2099261 A JP2099261 A JP 2099261A JP 9926190 A JP9926190 A JP 9926190A JP H04217 A JPH04217 A JP H04217A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- double layer
- layer capacitor
- charging
- electrical double
- 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
- 239000003990 capacitor Substances 0.000 title claims abstract description 23
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Direct Current Feeding And Distribution (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、大電力用の電気二重層キャパシタを短時間
内に所定の電圧まで充電可能な充電回路に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a charging circuit that can charge a high-power electric double layer capacitor to a predetermined voltage within a short time.
（従来の技術および解決すべき課題）
大容量の電気二重層キャパシタを所定の充電予定電圧Ｅ
まで充電する従来の充電回路においては、充電用電源の
発生電圧がほぼ同し電圧Ｅのものを使用しているので、
第２図の曲線ａに示すように、充電用電源の内部インピ
ーダンスあるいは電流制限用抵抗と大容量の電気二重層
キャパシタとの時定数で決まる長い充電時間（ｔｌ）を
要するという問題があった。(Prior art and problems to be solved) A large capacity electric double layer capacitor is charged at a predetermined charging voltage E.
In conventional charging circuits that charge up to
As shown by curve a in FIG. 2, there is a problem in that a long charging time (tl) is required, which is determined by the internal impedance of the charging power source or the time constant of the current limiting resistor and the large-capacity electric double layer capacitor.
（課題を解決するための手段）
そこで、この発明は、このような大容量の電気二重層キ
ャパシタの充電に費やす時間を短縮するために考えられ
たもので、充電用電源として発生電圧が、充電予定電圧
Ｅよりも十分に高い電源を使用して、第２図に示す曲線
すに沿って充電し、電気二重層キャパシタの端子電圧が
Ｅまで達したときに、充電回路を切り離すように構成し
、充電時間を時間（ｔ２）まで短縮を可能ならしめたも
のである。(Means for Solving the Problems) Therefore, the present invention was devised in order to shorten the time spent charging such a large capacity electric double layer capacitor. Using a power source that is sufficiently higher than the planned voltage E, the battery is charged along the curve shown in Figure 2, and when the terminal voltage of the electric double layer capacitor reaches E, the charging circuit is disconnected. , it is possible to shorten the charging time to time (t2).
（実施例）
この発明の電気二重層キャパシタ用充電回路は、第１図
に示すように、充電予定電圧Ｅよりも十分に高い電圧を
発生する直流電源１と、大容量の電気二重層キャパシタ
２か接続される端子３と、直流電源１と端子３との間に
設けられたスイッチ４および充電電流制限用抵抗５と、
このスイッチ４を制御する制御回路６とを具備している
。(Embodiment) As shown in FIG. 1, a charging circuit for an electric double layer capacitor of the present invention includes a DC power supply 1 that generates a voltage sufficiently higher than a scheduled charging voltage E, and a large capacity electric double layer capacitor 2. a switch 4 and a charging current limiting resistor 5 provided between the DC power supply 1 and the terminal 3;
A control circuit 6 for controlling this switch 4 is provided.
この制御回路６は、ツェナー・ダイオードのような基’
＄７４圧源７の電圧Ｅと端子３の電圧とを比較し、その
比較出力でスイッチ４の開閉を制御する演算増幅器のよ
うな比較回路８で構成されている。This control circuit 6 is based on a base such as a Zener diode.
It is comprised of a comparison circuit 8 such as an operational amplifier that compares the voltage E of the $74 pressure source 7 with the voltage of the terminal 3 and controls the opening and closing of the switch 4 using the comparison output.
このスイッチ４としては、図示したトランジスタのよう
な半導体スイッチのほかに、機械的な接点を有するリレ
ーを用いてもよいのである。As the switch 4, in addition to a semiconductor switch such as the illustrated transistor, a relay having mechanical contacts may be used.
（動作）
放電状態にある電気二重層キャパシタ２を端子３に接続
すると、比較回路８の２つの入力に印加されている電圧
のうち、端子３側の電圧が基準電圧源７の電圧Ｅよりも
低いので、スイッチ４が導通させて直流電源１より電気
二重層キャパシタ２へ充電を開始する。(Operation) When the electric double layer capacitor 2 in a discharged state is connected to the terminal 3, of the voltages applied to the two inputs of the comparator circuit 8, the voltage on the terminal 3 side becomes higher than the voltage E of the reference voltage source 7. Since the voltage is low, the switch 4 is turned on and charging of the electric double layer capacitor 2 from the DC power source 1 is started.
このとき、直流電源１の発生電圧は、電気二重層キャパ
シタ２に対する充電予定電圧Ｅよりも十分に高く設定さ
れているので、第２図の曲ｉｂに沿って急速に充電され
る。しかし、端子３の電圧が、充電予定電圧Ｅに達する
と、比較回路８の２つの人力に印加されている電圧のう
ち、端子３側の電圧か基準電圧源７の電圧よりも高くな
るので、スイッチ４を遮断せしめて充電を停止する。At this time, the voltage generated by the DC power supply 1 is set to be sufficiently higher than the scheduled charging voltage E for the electric double layer capacitor 2, so that the electric double layer capacitor 2 is rapidly charged along curve ib in FIG. However, when the voltage at the terminal 3 reaches the scheduled charging voltage E, of the voltages applied to the two voltages of the comparison circuit 8, the voltage at the terminal 3 side or the voltage at the reference voltage source 7 becomes higher. Switch 4 is shut off to stop charging.
そして、端子３より電気二重層キャパシタ２を外して、
充電された電荷を電源としてｆｌｌ用するのである。Then, remove the electric double layer capacitor 2 from the terminal 3,
The charged electric charge is used as a power source.
（効果）
この発明の電気二重層キャパシタ用充電回路は、以上で
説明したように充電予定電圧Ｅよりも十分に高い電源電
圧によって充電するように構成されているので、大容量
の電気二重層キャパシタを極めて短時間に充電すること
ができる。(Effects) As explained above, the electric double layer capacitor charging circuit of the present invention is configured to charge with a power supply voltage that is sufficiently higher than the scheduled charging voltage E. can be charged in an extremely short time.
第１図は、この発明の電気二重層キャパシタ用充電回路
の一実施例を示す回路図、第２図は、充電動作を説明す
るために用いる曲線図である。
１・・・直流電源
２・・・電気二重層キャパシタ
３・・・端子
４・・・スイッチ
６・・・制御回路
７・・・基１！電圧源
８・・・比較回路
第２図FIG. 1 is a circuit diagram showing an embodiment of the electric double layer capacitor charging circuit of the present invention, and FIG. 2 is a curve diagram used to explain the charging operation. 1... DC power supply 2... Electric double layer capacitor 3... Terminal 4... Switch 6... Control circuit 7... Base 1! Voltage source 8... Comparison circuit Figure 2
Claims (1)
と、被充電電気二重層キャパシタが接続される端子と、
上記直流電源と端子との間に設けられたスイッチと、上
記充電予定電圧とほぼ等しい電圧を発生する基準電圧源
と、該基準電圧源の出力電圧および上記端子の電圧を比
較し、その比較結果に基づく出力により上記スイッチを
制御する制御回路とを具備することを特徴とする電電気
二重層キャパシタ用充電回路。(1) A DC power source that generates a voltage higher than the scheduled charging voltage and a terminal to which the electric double layer capacitor to be charged is connected;
A switch provided between the DC power source and the terminal, a reference voltage source that generates a voltage approximately equal to the scheduled charging voltage, and the output voltage of the reference voltage source and the voltage of the terminal are compared, and the comparison result is 1. A charging circuit for an electrical double layer capacitor, comprising: a control circuit that controls the switch using an output based on the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2099261A JPH04217A (en) | 1990-04-17 | 1990-04-17 | Charging circuit for electrical double layer capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2099261A JPH04217A (en) | 1990-04-17 | 1990-04-17 | Charging circuit for electrical double layer capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04217A true JPH04217A (en) | 1992-01-06 |
Family
ID=14242770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2099261A Pending JPH04217A (en) | 1990-04-17 | 1990-04-17 | Charging circuit for electrical double layer capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04217A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6542768B1 (en) * | 1999-07-30 | 2003-04-01 | Siemens Aktiengesellschaft | Signal pickup or signal generator for a magnetic resonance tomography device |
| US7339623B2 (en) * | 2002-05-27 | 2008-03-04 | Olympus Optical Co., Ltd. | Camera and image pickup device unit which reduce influence of dust image quality |
| JP2010268292A (en) * | 2009-05-15 | 2010-11-25 | Yamaha Corp | Electronic circuit |
-
1990
- 1990-04-17 JP JP2099261A patent/JPH04217A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6542768B1 (en) * | 1999-07-30 | 2003-04-01 | Siemens Aktiengesellschaft | Signal pickup or signal generator for a magnetic resonance tomography device |
| US7339623B2 (en) * | 2002-05-27 | 2008-03-04 | Olympus Optical Co., Ltd. | Camera and image pickup device unit which reduce influence of dust image quality |
| JP2010268292A (en) * | 2009-05-15 | 2010-11-25 | Yamaha Corp | Electronic circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3767767B2 (en) | Charge control method and charge control device | |
| US6348833B1 (en) | Soft starting reference voltage circuit | |
| JP4499966B2 (en) | Secondary battery charging circuit | |
| JPH0624432B2 (en) | Electric device using field effect transistor | |
| US3997832A (en) | Circuit for applying starting voltage to load | |
| JPH0461580B2 (en) | ||
| US2944191A (en) | Circuit system for electronic flash instruments with transistors | |
| JPH04217A (en) | Charging circuit for electrical double layer capacitor | |
| US5825099A (en) | Uninterruptible power supply circuit | |
| US11824397B2 (en) | Pre-charge current control device | |
| JP3499311B2 (en) | Secondary battery protection circuit device | |
| US6771048B2 (en) | Battery state monitoring circuit | |
| JPH1127871A (en) | Charging equipment | |
| RU2101830C1 (en) | On-board charger | |
| JPH1127855A (en) | Rush current preventive circuit | |
| JPH04248332A (en) | Battery pack | |
| KR20230060481A (en) | Driving circuit of latche relay | |
| JPH02254935A (en) | Charging apparatus | |
| JPH05284669A (en) | Charger of solar cell | |
| KR100302760B1 (en) | Apparatus for stabilizing inverter power source of electric vehicle | |
| JPH0727805Y2 (en) | Sealed lead acid battery charger | |
| SU541226A1 (en) | Device for charging and discharging batteries with stabilized current | |
| JP2022160011A (en) | Discharge control device, discharge control method | |
| SU1437971A1 (en) | Power supply device for pulsed arc lamp | |
| JPS62244279A (en) | Inverter device |