JPH02142979U - - Google Patents
Info
- Publication number
- JPH02142979U JPH02142979U JP5134689U JP5134689U JPH02142979U JP H02142979 U JPH02142979 U JP H02142979U JP 5134689 U JP5134689 U JP 5134689U JP 5134689 U JP5134689 U JP 5134689U JP H02142979 U JPH02142979 U JP H02142979U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- converter
- alarm
- output
- 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
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
従来のスイツチング電源回路の回路図である。
１，２……入力端子、３，４……出力端子、５
……ＤＣ−ＤＣコンバータ、６……警報出力端子
、７……警報検出回路、８，９……警報回路、７
１，７２……抵抗、７３……シヤントレギユレー
タ、７４……フオトカプラ発光部、８１……フオ
トカプラ受光部、８２……ラツチ回路、８３……
リレー、８３Ａ……リレー接点、８４……抵抗、
８５……トランジスタ、９１……フリツプフロツ
プ、９２……抵抗、９３……コンデンサ、９４，
９５……抵抗、９６……フオトカプラ受光部、９
７……抵抗。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional switching power supply circuit. 1, 2...Input terminal, 3, 4...Output terminal, 5
...DC-DC converter, 6... Alarm output terminal, 7... Alarm detection circuit, 8, 9... Alarm circuit, 7
1, 72...Resistor, 73...Shunt regulator, 74...Photocoupler light emitting section, 81...Photocoupler light receiving section, 82...Latch circuit, 83...
Relay, 83A...Relay contact, 84...Resistance,
85...Transistor, 91...Flip-flop, 92...Resistor, 93...Capacitor, 94,
95...Resistor, 96...Photocoupler light receiving section, 9
7...Resistance.
Claims (1)
に基づいて異常を検出する警報検出回路と、この
警報検出回路からの信号により前記コンバータの
動作を停止させる警報回路とを備えたスイツチン
グ電源回路において、前記警報回路は、前記警報
検出回路からの信号に基づいて反転動作されるフ
リツプフロツプを備え、このフリツプフロツプの
出力を前記電源コンバータの起動・停止端子に出
力させ、かつ出力の一部を警報出力端子に出力さ
せるように構成したことを特徴とするスイツチン
グ電源回路。 In the switching power supply circuit, the switching power supply circuit includes a power supply converter, an alarm detection circuit that detects an abnormality based on the output of the power supply converter, and an alarm circuit that stops the operation of the converter based on a signal from the alarm detection circuit. is provided with a flip-flop that is operated in reverse based on the signal from the alarm detection circuit, and outputs the output of the flip-flop to the start/stop terminal of the power converter, and outputs a part of the output to the alarm output terminal. A switching power supply circuit characterized in that it is configured as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5134689U JPH02142979U (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5134689U JPH02142979U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02142979U true JPH02142979U (en) | 1990-12-04 |
Family
ID=31570705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5134689U Pending JPH02142979U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02142979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100512720B1 (en) * | 2002-11-08 | 2005-09-07 | 삼성전자주식회사 | power supply apparatus for motor and controlling method thereof |
-
1989
- 1989-04-28 JP JP5134689U patent/JPH02142979U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100512720B1 (en) * | 2002-11-08 | 2005-09-07 | 삼성전자주식회사 | power supply apparatus for motor and controlling method thereof |