JPS6191176U - - Google Patents
Info
- Publication number
- JPS6191176U JPS6191176U JP17596884U JP17596884U JPS6191176U JP S6191176 U JPS6191176 U JP S6191176U JP 17596884 U JP17596884 U JP 17596884U JP 17596884 U JP17596884 U JP 17596884U JP S6191176 U JPS6191176 U JP S6191176U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- battery
- reference voltage
- power supply
- main power
- 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
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案のバツクアツプ用電池電圧検出
装置の実施例の回路図、第２図は従来装置の回路
図である。
１は主電源の交流電圧を整流するダイオード、
２はブロツク用ダイオード、３は基準電圧発生装
置、４はバツクアツプ用電池、５はスイツチング
素子、６は限流抵抗、７は擬似抵抗、８は負荷、
９は電圧比較器、ｌ１，ｌ２，ｌ３，ｌ４，ｌ５
は信号線、ｅＳは基準電圧を示す。
FIG. 1 is a circuit diagram of an embodiment of the backup battery voltage detection device of the present invention, and FIG. 2 is a circuit diagram of a conventional device. 1 is a diode that rectifies the AC voltage of the main power supply;
2 is a blocking diode, 3 is a reference voltage generator, 4 is a backup battery, 5 is a switching element, 6 is a current limiting resistor, 7 is a pseudo resistor, 8 is a load,
9 is a voltage comparator, l 1 , l 2 , l 3 , l 4 , l 5
is a signal line, and eS is a reference voltage.
Claims (1)
負荷と、 主電源側に接続された基準電圧発生装置と、 前記負荷に並列接続されたブロツク用ダイオー
ドおよびバツクアツプ用電池の直列回路と、 前記電池に並列接続され、かつ電池電圧のチエ
ツク時のみ導通制御されるスイツチング素子と擬
似抵抗の直列回路と、 前記電池の端子電圧と基準電圧発生装置の基準
電圧とを比較する電圧比較器と、 を備えるバツクアツプ用電池電圧検出装置。[Claims for Utility Model Registration] A load connected in series to a main power supply voltage rectifying diode, a reference voltage generator connected to the main power supply side, a blocking diode and a backup battery connected in parallel to the load. a series circuit, a series circuit of a switching element and a pseudo-resistance connected in parallel to the battery and whose conduction is controlled only when checking the battery voltage; and a voltage for comparing the terminal voltage of the battery and the reference voltage of the reference voltage generator. A backup battery voltage detection device comprising a comparator and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17596884U JPS6191176U (en) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17596884U JPS6191176U (en) | 1984-11-20 | 1984-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6191176U true JPS6191176U (en) | 1986-06-13 |
Family
ID=30733568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17596884U Pending JPS6191176U (en) | 1984-11-20 | 1984-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6191176U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0488344U (en) * | 1990-12-01 | 1992-07-31 | ||
| JPH0567153U (en) * | 1992-02-07 | 1993-09-03 | 横河電機株式会社 | Battery charging circuit |
-
1984
- 1984-11-20 JP JP17596884U patent/JPS6191176U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0488344U (en) * | 1990-12-01 | 1992-07-31 | ||
| JPH0567153U (en) * | 1992-02-07 | 1993-09-03 | 横河電機株式会社 | Battery charging circuit |