JPS63242141A - Charger - Google Patents
ChargerInfo
- Publication number
- JPS63242141A JPS63242141A JP62073597A JP7359787A JPS63242141A JP S63242141 A JPS63242141 A JP S63242141A JP 62073597 A JP62073597 A JP 62073597A JP 7359787 A JP7359787 A JP 7359787A JP S63242141 A JPS63242141 A JP S63242141A
- Authority
- JP
- Japan
- Prior art keywords
- charging
- voltage
- current
- reverse
- pulse
- 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 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 産業上の利用分野 本発明は充電器の改良に関するものである。[Detailed description of the invention] Industrial applications The present invention relates to improvements in chargers.
従来の技術 従来より、鉛蓄電池用充電器の問題点として。Conventional technology Traditionally, this has been a problem with chargers for lead-acid batteries.
過放電後放置された鉛蓄電池（以下「過放電放置電池」
という）に対する充電性かある。これは、過放電放置電
池の内部抵抗か高いため充電電流か流れにくい事による
ものである。この問題点を解決するための方法として、
過放電放置電池に対し通常とは逆方向の電池を流しく以
下「逆充電」という）だ後、通常の充電を行なう方法か
ある。Lead-acid batteries that have been left unattended after being over-discharged (hereinafter referred to as "over-discharged batteries")
). This is because the internal resistance of the overdischarged battery is high, making it difficult for charging current to flow. As a way to solve this problem,
For over-discharged batteries, there is a method of charging the battery in the opposite direction (hereinafter referred to as "reverse charging"), and then charging it normally.
発明が解決しようとする問題点
上記の充電方法を実際の充電器で用いるためには逆光ｔ
ｔ流を流す必要がある。そのための方法の一つとして、
負極出力の電源により逆充電を行なう事か考えられる。Problems to be Solved by the Invention In order to use the above charging method in an actual charger, backlighting is required.
It is necessary to flow a t flow. One way to do this is to
It may be possible to perform reverse charging using a negative output power source.
ところが、この方法では、通常の充電電源の他に、負極
出力の電源を必要とするため、充電器が大形化し複雑に
なるという問題点を有している。However, this method requires a negative output power source in addition to a normal charging power source, which poses a problem in that the charger becomes larger and more complex.
問題点を解決するための手段
本発明は、上記の問題点を解決し、簡単な手段で逆充電
電流を流すもので、逆光ｆｆ１ｉｆ流としてパルス電流
を流す手段を備える事を特徴とするものである。Means for Solving the Problems The present invention solves the above problems and allows a reverse charging current to flow by a simple means, and is characterized by having a means for flowing a pulse current as a backlight ff1if current. be.
作用
本発明は上記の特徴を有する事により、過放電放置電池
に対しパルス電流で逆充電できるため１回復させる事が
可能である。又、逆充電電流はパルス電流で行なうため
、小形の電源部を用いて逆充電が可能となる。Operation The present invention has the above-mentioned features, and can reverse charge an over-discharged battery with a pulse current, thereby making it possible to restore the battery to one point. Further, since the reverse charging current is performed as a pulse current, reverse charging can be performed using a small power supply unit.
実施例
本発明の一実施例を第１図及び第２図を用いて説明する
。Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 and 2.
第１図は本発明の充電器の回路を示すもので、通常の充
電時には充電末期電圧を検出後、微小電流によるトリク
ル充電に入る方式である。充電電源ｌの出力は電流制御
部６．ダイオード１０を通じて密閉形鉛蓄電池１２に接
続される。FIG. 1 shows a circuit of a charger according to the present invention. During normal charging, after detecting the voltage at the end of charging, trickle charging is started using a minute current. The output of the charging power supply l is controlled by the current control unit 6. It is connected to a sealed lead acid battery 12 through a diode 10 .
充電末期電圧は第１電圧検出部９により検出され、充電
末ル」電圧を検出すると、制御部７は電流制御部６を制
御し微小電流によるトリクル充電に入る。The voltage at the end of charging is detected by the first voltage detection section 9, and when the voltage at the end of charging is detected, the control section 7 controls the current control section 6 to enter trickle charging using a minute current.
逆充電を行なう場合、電圧変換部２は充電電源１の出力
より負電圧を出力し、この負電圧より逆充電パルスを得
る。スイッチ３をＯＮとすると、コンデンサ４は抵抗５
を遇して充電される。When performing reverse charging, the voltage converter 2 outputs a negative voltage from the output of the charging power source 1, and obtains a reverse charging pulse from this negative voltage. When switch 3 is turned on, capacitor 4 is connected to resistor 5.
It is charged according to the following conditions.
コンデンサ４の電圧は第２電圧検出部８の入力となり、
コンデンサ４の電圧か一定電圧に達すると、第２電圧検
出部８の出力はトランジスタ１１をＯＮとする。トラン
ジスタ１１かＯＮとなると、コンデンサ４に蓄積された
電荷は放電し、逆充電パルスとなって、鉛蓄電池１２に
流れる。又、第２電圧検出部８か動作すると、制御部７
は充電電源１の出力か密閉形鉛蓄電池１２に流れない様
に電流制御部６を制御する。The voltage of the capacitor 4 becomes an input to the second voltage detection section 8,
When the voltage of the capacitor 4 reaches a constant voltage, the output of the second voltage detection section 8 turns on the transistor 11. When the transistor 11 is turned on, the charge accumulated in the capacitor 4 is discharged, becomes a reverse charging pulse, and flows to the lead-acid battery 12. Also, when the second voltage detection section 8 operates, the control section 7
controls the current control unit 6 so that the output of the charging power source 1 does not flow to the sealed lead-acid battery 12.
コンデンサ４に蓄積された電荷か放電すると、トランジ
スタ１１はＯＦＦとなり、再びコンデンサ４は充電され
る。When the charge accumulated in the capacitor 4 is discharged, the transistor 11 is turned off and the capacitor 4 is charged again.
このような動作でスイッチ３かＯＮの間、逆充電パルス
電流を流す事が可能である。With such an operation, it is possible to flow a reverse charging pulse current while the switch 3 is ON.
第２図に過放電放置電池（４Ｖ、４Ａｈ、内部抵抗１０
０Ω）を充電した場合の充電特性を示す。充電開始後１
時間、スイッチ３をＯＮとして、逆充電パルスを印加し
た後、スイッチ３をＯＦＦとして通常充電を行なった。Figure 2 shows an over-discharged battery (4V, 4Ah, internal resistance 10
0Ω) is shown. After starting charging 1
After the switch 3 was turned ON and a reverse charging pulse was applied for a certain period of time, the switch 3 was turned OFF to carry out normal charging.
逆充電パルスのピーク電圧は約ｓｏｙ、ｉ圧印加間隔は
約１０ｓｅｃである。第２図に示す様に、逆充電パルス
印加後、約１時間で通常充電で回復可能であった。The peak voltage of the reverse charging pulse is about soy, and the i-pressure application interval is about 10 seconds. As shown in FIG. 2, it was possible to recover by normal charging in about 1 hour after applying the reverse charging pulse.
発明の効果
上述のように、本発明では、逆充電パルスを印加する事
により過放電放置電池の充電が可能である。逆充電電流
としてパルスを用いているため、小形の負出力電源を用
いて逆充電を行なう事か可能である。又、従来の充電器
に簡単に適用可能な点、工業的価値極めて大なるもので
ある。Effects of the Invention As described above, in the present invention, an over-discharged battery can be charged by applying a reverse charging pulse. Since pulses are used as the reverse charging current, it is possible to perform reverse charging using a small negative output power supply. Furthermore, the present invention can be easily applied to conventional chargers, and has great industrial value.
第１図は本発明の一実施例を示す回路図、第２図は本発
明の充電器を用いた場合の充電特性曲線図である。FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a charging characteristic curve diagram when the charger of the present invention is used.
Claims (1)
手段を備える事を特徴とする充電器。A charger characterized by having a means for flowing a pulse current in the opposite direction to normal charging after charging starts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62073597A JPS63242141A (en) | 1987-03-27 | 1987-03-27 | Charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62073597A JPS63242141A (en) | 1987-03-27 | 1987-03-27 | Charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63242141A true JPS63242141A (en) | 1988-10-07 |
Family
ID=13522890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62073597A Pending JPS63242141A (en) | 1987-03-27 | 1987-03-27 | Charger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63242141A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5026137A (en) * | 1973-07-12 | 1975-03-19 |
-
1987
- 1987-03-27 JP JP62073597A patent/JPS63242141A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5026137A (en) * | 1973-07-12 | 1975-03-19 |
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