JPH0488433U - - Google Patents
Info
- Publication number
- JPH0488433U JPH0488433U JP40366990U JP40366990U JPH0488433U JP H0488433 U JPH0488433 U JP H0488433U JP 40366990 U JP40366990 U JP 40366990U JP 40366990 U JP40366990 U JP 40366990U JP H0488433 U JPH0488433 U JP H0488433U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- capacitor
- charging current
- supply circuit
- power supply
- 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 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Sheets, Magazines, And Separation Thereof (AREA)
Description
第１図は本考案バツクアツプ電源回路の実施の
一例を示す回路図であり、第２図は本考案バツク
アツプ電源回路の適用の一例を示すブロツク図で
ある。
符号の説明、４……バツクアツプ電源回路、６
……電源スイツチ、９，１０……充電電流制限手
段、１１１，１１２，１１３，１１４……コンデ
ンサ、１２……抵抗、１３……第２のスイツチ、
１４……第１のスイツチ。
FIG. 1 is a circuit diagram showing an example of the implementation of the backup power supply circuit of the present invention, and FIG. 2 is a block diagram showing an example of application of the backup power supply circuit of the present invention. Explanation of symbols, 4...Backup power supply circuit, 6
... Power switch, 9, 10 ... Charging current limiting means, 11 1 , 11 2 , 11 3 , 11 4 ... Capacitor, 12 ... Resistor, 13 ... Second switch,
14...First switch.
Claims (1)
手段をコンデンサに直列に設けると共にコンデン
サに並列に抵抗を接続し、充電電流制限手段に並
列にスイツチ手段を設けたバツクアツプ電源回路
であつて、 上記スイツチ手段として電源スイツチに連動し
て開閉される第１のスイツチと、これに直列接続
され停電時にコンデンサの放電経路を閉成する第
２のスイツチとを設けた ことを特徴とするバツクアツプ電源回路。[Claims for Utility Model Registration] A backup power supply circuit in which charging current limiting means for limiting the charging current of the capacitor is provided in series with the capacitor, a resistor is connected in parallel to the capacitor, and switching means is provided in parallel with the charging current limiting means. The above-mentioned switching means includes a first switch that opens and closes in conjunction with a power switch, and a second switch that is connected in series with the first switch and closes the discharge path of the capacitor in the event of a power outage. backup power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40366990U JPH0488433U (en) | 1990-12-18 | 1990-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40366990U JPH0488433U (en) | 1990-12-18 | 1990-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0488433U true JPH0488433U (en) | 1992-07-31 |
Family
ID=31881415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40366990U Pending JPH0488433U (en) | 1990-12-18 | 1990-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0488433U (en) |
-
1990
- 1990-12-18 JP JP40366990U patent/JPH0488433U/ja active Pending