JPH01109245U - - Google Patents
Info
- Publication number
- JPH01109245U JPH01109245U JP357788U JP357788U JPH01109245U JP H01109245 U JPH01109245 U JP H01109245U JP 357788 U JP357788 U JP 357788U JP 357788 U JP357788 U JP 357788U JP H01109245 U JPH01109245 U JP H01109245U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- battery
- diode
- supply circuit
- circuit
- 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 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案の一実施例による電池バツクア
ツプ式電源回路の回路図、第２図は従来の電池バ
ツクアツプ式電源回路図である。
１…マイコン、２…安定化電源回路、３…第１
のダイオード、５…抵抗、６…コンデンサー、７
…第２のダイオード、８…第３のダイオード、９
…電池、１０…商用電源、１２…ダイオードブリ
ツジ、１６，１７…直列回路。
FIG. 1 is a circuit diagram of a battery backup power supply circuit according to an embodiment of the present invention, and FIG. 2 is a conventional battery backup power supply circuit diagram. 1...Microcomputer, 2...Stabilized power supply circuit, 3...First
Diode, 5...Resistor, 6...Capacitor, 7
...Second diode, 8...Third diode, 9
...Battery, 10...Commercial power supply, 12...Diode bridge, 16, 17...Series circuit.
Claims (1)
て接続された安定化電源回路２と、この安定化電
源回路２の出力側に接続され、商用電源１０の停
電時にマイコン１をバツクアツプする電池９とを
備えてなる電池バツクアツプ式電源回路において
、前記の安定化電源回路２に第１のダイオード３
を介して抵抗５とコンデンサー６との直列回路１
６を接続するとともに、この直列回路１６に第２
のダイオード７を介して第３のダイオード８と電
池９との直列回路１７とを接続し、かつ、この直
列回路１７にマイコン１を接続したことを特徴と
する電池バツクアツプ式電源回路。 A stabilized power supply circuit 2 is connected to a commercial power supply 10 via a diode bridge 12, and a battery 9 is connected to the output side of the stabilized power supply circuit 2 and backs up the microcomputer 1 in the event of a power outage of the commercial power supply 10. In a battery backup power supply circuit consisting of a battery, a first diode 3 is added to the stabilized power supply circuit 2.
Series circuit 1 with resistor 5 and capacitor 6 through
6 is connected, and a second
A battery backup power supply circuit characterized in that a series circuit 17 consisting of a third diode 8 and a battery 9 is connected through a diode 7, and a microcomputer 1 is connected to the series circuit 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP357788U JPH01109245U (en) | 1988-01-14 | 1988-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP357788U JPH01109245U (en) | 1988-01-14 | 1988-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01109245U true JPH01109245U (en) | 1989-07-24 |
Family
ID=31205335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP357788U Pending JPH01109245U (en) | 1988-01-14 | 1988-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01109245U (en) |
-
1988
- 1988-01-14 JP JP357788U patent/JPH01109245U/ja active Pending