JPS62195330U - - Google Patents
Info
- Publication number
- JPS62195330U JPS62195330U JP8443186U JP8443186U JPS62195330U JP S62195330 U JPS62195330 U JP S62195330U JP 8443186 U JP8443186 U JP 8443186U JP 8443186 U JP8443186 U JP 8443186U JP S62195330 U JPS62195330 U JP S62195330U
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- specified value
- voltage
- comparator
- switch element
- 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
- 230000002265 prevention Effects 0.000 claims description 5
- 230000005669 field effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の蓄電池の過放電防止回路の回
路図、第２図は従来の蓄電池の過放電防止回路の
回路図である。
１……入力端子、２……充電器、４，４―１，
４―２……定電圧ダイオード、８―１……第１の
比較器、８―２……第２の比較器、１４……蓄電
池、１６……負荷、１７……過放電防止回路、１
８……発光ダイオード、１９……電界効果トラン
ジスタ。
FIG. 1 is a circuit diagram of an over-discharge prevention circuit for a storage battery according to the present invention, and FIG. 2 is a circuit diagram of a conventional over-discharge prevention circuit for a storage battery. 1...Input terminal, 2...Charger, 4, 4-1,
4-2... Constant voltage diode, 8-1... First comparator, 8-2... Second comparator, 14... Storage battery, 16... Load, 17... Over-discharge prevention circuit, 1
8...Light emitting diode, 19...Field effect transistor.
Claims (1)
警報を発する第１の比較器と、前記第１の規定値
より低い第２の規定値以下に低下すると蓄電池に
直列接続された電界効果トランジスタからなるス
イツチ素子をオフさせて放電を停止させる第２の
比較器とを設け、前記スイツチ素子が短絡してい
ても蓄電池は電圧が前記第２の規定値まで低下す
ると、各規定値を定める回路を介して放電しない
ようにしたことを特徴とする蓄電池の過放電防止
回路。 a first comparator that issues an alarm when the voltage of the storage battery falls below a first specified value; and a field effect transistor connected in series with the storage battery when the voltage of the storage battery drops below a second specified value that is lower than the first specified value. and a second comparator that turns off a switch element to stop discharging, and when the voltage of the storage battery decreases to the second specified value even if the switch element is short-circuited, a circuit for determining each specified value is provided. An overdischarge prevention circuit for a storage battery, characterized in that the overdischarge prevention circuit prevents discharge through the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8443186U JPS62195330U (en) | 1986-06-02 | 1986-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8443186U JPS62195330U (en) | 1986-06-02 | 1986-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62195330U true JPS62195330U (en) | 1987-12-11 |
Family
ID=30938925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8443186U Pending JPS62195330U (en) | 1986-06-02 | 1986-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62195330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04229032A (en) * | 1990-05-25 | 1992-08-18 | Internatl Business Mach Corp <Ibm> | Electric system for supplying power to load |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59136024A (en) * | 1984-01-11 | 1984-08-04 | 松下電器産業株式会社 | Overdischarge preventng device |
-
1986
- 1986-06-02 JP JP8443186U patent/JPS62195330U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59136024A (en) * | 1984-01-11 | 1984-08-04 | 松下電器産業株式会社 | Overdischarge preventng device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04229032A (en) * | 1990-05-25 | 1992-08-18 | Internatl Business Mach Corp <Ibm> | Electric system for supplying power to load |