JPH0249339U - - Google Patents
Info
- Publication number
- JPH0249339U JPH0249339U JP1988125956U JP12595688U JPH0249339U JP H0249339 U JPH0249339 U JP H0249339U JP 1988125956 U JP1988125956 U JP 1988125956U JP 12595688 U JP12595688 U JP 12595688U JP H0249339 U JPH0249339 U JP H0249339U
- Authority
- JP
- Japan
- Prior art keywords
- charging
- voltage
- charging current
- current value
- signal
- 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.)
- Granted
Links
- 239000002253 acid Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の実施例の概略構成図、第２図
は内部抵抗の高い過放電放置蓄電池を第１図の実
施例で充電した場合の充電特性例を示す曲線図、
第３図は第１図の実施例の具体的な回路図、第４
図は第２図におけると同様の過放電放置蓄電池に
対して通常の充電電流程度の電流で３０分間の逆
充電を行なつた場合の充電特性例を示す曲線図で
ある。
１……直流電源、２……充電電流値切換回路、
３……充電電流値切換制御回路、４……充電末期
電圧検出器、５……交流電圧成分検出器（放置状
態検出器）、６……電圧極性切換回路、６ａ……
電圧極性切換指令回路、６ｂ……逆電圧印加停止
タイマ回路、７……通常充電時通電回路、８……
逆電圧印加時通電回路、Ｌ，ＳＷ１，ＳＷ２……
極性切換スイツチ回路、Ｂ……密閉形鉛蓄電池。
Fig. 1 is a schematic configuration diagram of an embodiment of the present invention, Fig. 2 is a curve diagram showing an example of charging characteristics when an over-discharged storage battery with high internal resistance is charged with the embodiment of Fig. 1,
Figure 3 is a specific circuit diagram of the embodiment shown in Figure 1;
This figure is a curve diagram showing an example of charging characteristics when reverse charging is performed for 30 minutes at a current about the same as the normal charging current for an over-discharged storage battery similar to that shown in FIG. 1...DC power supply, 2...Charging current value switching circuit,
3... Charging current value switching control circuit, 4... Charging end voltage detector, 5... AC voltage component detector (unused state detector), 6... Voltage polarity switching circuit, 6a...
Voltage polarity switching command circuit, 6b... Reverse voltage application stop timer circuit, 7... Normal charging energization circuit, 8...
Current-carrying circuit when applying reverse voltage, L, SW 1 , SW 2 ...
Polarity switch circuit, B...Sealed lead acid battery.
Claims (1)
すると通常の充電電流による充電から微小電流に
よる充電に切換える密閉形鉛蓄電池の充電装置に
おいて、 密閉形鉛蓄電池Ｂの充電電圧から該蓄電池Ｂが
過放電放置状態にあるか否かを検出する放置状態
検出器５と、 前記放置状態検出器５から検出信号Ｓ３が出力
されると所定時間だけ電圧極性切換信号Ｓ５及び
逆電圧印加通電指令信号Ｓ４を出力する電圧極性
切換回路６と、 前記充電末期電圧が検出されると充電電流値切
換信号Ｓ１を出力する充電電流値切換制御回路３
と、 入力信号に応じて充電電流値を切換える充電電
流値切換回路２と、 前記充電電流値切換回路２と前記蓄電池Ｂとの
間に設けられて前記電圧極性切換信号Ｓ５が出力
されている期間だけ前記充電電圧を逆極性で前記
蓄電池Ｂに印加する極性切換スイツチ回路Ｌ，Ｓ
Ｗ１，ＳＷ２とを具備し、 前記充電電流値切換回路２は、前記充電電流値
切換信号Ｓ１が入力されると通常の充電電流を微
小充電電流に切換え、前記逆電圧印加通電指令信
号Ｓ４が入力されている期間前記通常の充電電流
よりも電流値の大きい逆充電電流を出力すること
を特徴とする密閉形鉛蓄電池の充電装置。 (2) 交流電源ＡＣの出力を整流して交流電圧成
分を含んだ直流電圧を出力する直流電源１と、 密閉形鉛蓄電池Ｂの充電電圧を検出して該充電
電圧が充電末期電圧を越えると充電末期電圧検出
信号Ｓ２を出力する充電末期電圧検出器４と、 前記充電電圧から交流電圧成分を検出し該交流
電圧成分が基準値より大きいときに交流電圧成分
検出信号Ｓ３を出力する交流電圧成分検出器５と
、 前記交流電圧成分検出信号Ｓ３が出力されると
所定時間だけ電圧極性切換信号Ｓ５及び逆電圧印
加通電指令信号Ｓ４を出力する電圧極性切換回路
６と、 前記充電末期電圧検出信号Ｓ２が入力されると
充電電流値切換信号Ｓ１を出力する充電電流値切
換制御回路３と、 入力信号に応じて充電電流値を切換える充電電
流値切換回路２と、 前記充電電流値切換回路２と前記蓄電池Ｂとの
間に設けられて前記電圧極性切換信号Ｓ５が出力
されている期間だけ前記充電電圧を逆極性で前記
蓄電池Ｂに印加する極性切換スイツチ回路Ｌ，Ｓ
Ｗ１，ＳＷ２とを具備し、 前記充電電流値切換回路２は、前記充電電流値
切換信号Ｓ１が入力されると通常の充電電流を流
す時よりも充電回路に挿入されるインピーダンス
を大きくし、前記逆電圧印加通電指令信号Ｓ４が
入力されている期間前記通常の充電電流を流す時
よりも充電回路に挿入されるインピーダンスを小
さくすることを特徴とする密閉形鉛蓄電池の充電
装置。[Scope of Claim for Utility Model Registration] (1) In a charging device for a sealed lead-acid battery that switches from charging with a normal charging current to charging with a minute current when it detects that the charging voltage has reached the final charging voltage, a sealed lead-acid battery. A neglected state detector 5 detects whether or not the storage battery B is in an over-discharged neglected state from the charging voltage of B; and when a detection signal S3 is output from the neglected state detector 5, the voltage polarity is switched for a predetermined period of time. A voltage polarity switching circuit 6 that outputs a signal S5 and a reverse voltage application energization command signal S4 , and a charging current value switching control circuit 3 that outputs a charging current value switching signal S1 when the charging end voltage is detected.
a charging current value switching circuit 2 that switches the charging current value according to an input signal; and a charging current value switching circuit 2 provided between the charging current value switching circuit 2 and the storage battery B, and outputting the voltage polarity switching signal S5 . polarity changeover switch circuits L, S that apply the charging voltage with reverse polarity to the storage battery B for a period;
W 1 and SW 2 , the charging current value switching circuit 2 switches the normal charging current to the minute charging current when the charging current value switching signal S 1 is input, and the charging current value switching circuit 2 switches the normal charging current to the minute charging current and outputs the reverse voltage application energization command signal. A charging device for a sealed lead-acid battery, characterized in that a reverse charging current having a current value larger than the normal charging current is output during a period when S4 is input. (2) When the charging voltage of the DC power supply 1, which rectifies the output of the AC power supply AC and outputs a DC voltage containing an AC voltage component, and the sealed lead-acid battery B, and the charging voltage exceeds the final charging voltage, the a charging end voltage detector 4 that outputs a charging end voltage detection signal S2 ; and an AC voltage detector that detects an AC voltage component from the charging voltage and outputs an AC voltage component detection signal S3 when the AC voltage component is larger than a reference value. a voltage component detector 5; a voltage polarity switching circuit 6 that outputs a voltage polarity switching signal S5 and a reverse voltage application energization command signal S4 for a predetermined time when the AC voltage component detection signal S3 is output; and the charging a charging current value switching control circuit 3 that outputs a charging current value switching signal S1 when the terminal voltage detection signal S2 is input; a charging current value switching circuit 2 that switches the charging current value according to the input signal; A polarity switching circuit L, S is provided between the current value switching circuit 2 and the storage battery B, and applies the charging voltage to the storage battery B with a reverse polarity only during the period when the voltage polarity switching signal S5 is outputted.
When the charging current value switching signal S1 is inputted, the charging current value switching circuit 2 increases the impedance inserted into the charging circuit compared to when a normal charging current flows . A charging device for a sealed lead-acid battery, characterized in that the impedance inserted into the charging circuit is made smaller during the period when the reverse voltage application energization command signal S4 is inputted than when the normal charging current is flowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988125956U JPH0727805Y2 (en) | 1988-09-27 | 1988-09-27 | Sealed lead acid battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988125956U JPH0727805Y2 (en) | 1988-09-27 | 1988-09-27 | Sealed lead acid battery charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0249339U true JPH0249339U (en) | 1990-04-05 |
| JPH0727805Y2 JPH0727805Y2 (en) | 1995-06-21 |
Family
ID=31377025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988125956U Expired - Lifetime JPH0727805Y2 (en) | 1988-09-27 | 1988-09-27 | Sealed lead acid battery charger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727805Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0667763U (en) * | 1993-02-26 | 1994-09-22 | 孝助 栗山 | Door roller installation structure for joinery |
-
1988
- 1988-09-27 JP JP1988125956U patent/JPH0727805Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0667763U (en) * | 1993-02-26 | 1994-09-22 | 孝助 栗山 | Door roller installation structure for joinery |
| JP2529489Y2 (en) * | 1993-02-26 | 1997-03-19 | 孝助 栗山 | Mounting structure for doors for fittings |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727805Y2 (en) | 1995-06-21 |
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