JPH0241687U - - Google Patents
Info
- Publication number
- JPH0241687U JPH0241687U JP11704488U JP11704488U JPH0241687U JP H0241687 U JPH0241687 U JP H0241687U JP 11704488 U JP11704488 U JP 11704488U JP 11704488 U JP11704488 U JP 11704488U JP H0241687 U JPH0241687 U JP H0241687U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- overvoltage
- winding
- control system
- 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
- 238000004804 winding Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 238000009499 grossing Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係るスイツチング電源の電気
回路図、第２図は従来のスイツチング電源の電気
回路図である。
２……スイツチング素子、３……変圧器、３１
……入力巻線、３２……出力巻線、４……出力回
路、４３……チヨークコイル、５……制御回路、
６……電圧検出回路、７……過電圧検出回路、７
３……巻線。
FIG. 1 is an electrical circuit diagram of a switching power supply according to the present invention, and FIG. 2 is an electrical circuit diagram of a conventional switching power supply. 2... Switching element, 3... Transformer, 31
... Input winding, 32 ... Output winding, 4 ... Output circuit, 43 ... Chi York coil, 5 ... Control circuit,
6...Voltage detection circuit, 7...Overvoltage detection circuit, 7
3... Winding wire.
Claims (1)
有する変圧器と、前記変圧器の前記入力巻線に接
続されたスイツチング素子と、前記出力巻線に接
続されスイツチング出力を直流に変換して出力す
る出力回路と、前記出力回路の直流出力電圧が一
定となるように前記スイツチング素子を制御する
電圧安定化制御系と、前記出力回路の直流出力電
圧が過電圧となつたときに保護動作を行なう過電
圧制御系とを含むスイツチング電源であつて、 前記出力回路は、整流回路及びチヨークコイル
を含むチヨークインプツト型整流平滑回路でなり
、 前記過電圧制御系は、前記制御回路及び過電圧
検出回路を含み、前記過電圧検出回路は、前記出
力回路のチヨークコイルに結合された巻線を過電
圧検出端とし、前記巻線で得られた電圧信号を前
記制御回路に入力するようになつていることを特
徴とするスイツチング電源。[Claims for Utility Model Registration] A transformer having an input winding and an output winding to which a DC power source is connected, a switching element connected to the input winding of the transformer, and a switching element connected to the output winding. an output circuit that converts a switching output into DC and outputs it; a voltage stabilization control system that controls the switching element so that the DC output voltage of the output circuit is constant; The switching power supply includes an overvoltage control system that performs a protective operation when the overvoltage is overvoltage, and the output circuit is a chiyoke input type rectifying and smoothing circuit including a rectifier circuit and a chiyoke coil, and the overvoltage control system circuit and an overvoltage detection circuit, wherein the overvoltage detection circuit uses a winding coupled to the chiyoke coil of the output circuit as an overvoltage detection terminal, and inputs a voltage signal obtained from the winding to the control circuit. A switching power supply characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11704488U JPH0241687U (en) | 1988-09-06 | 1988-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11704488U JPH0241687U (en) | 1988-09-06 | 1988-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241687U true JPH0241687U (en) | 1990-03-22 |
Family
ID=31360137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11704488U Pending JPH0241687U (en) | 1988-09-06 | 1988-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241687U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58119770A (en) * | 1981-12-31 | 1983-07-16 | Fujitsu Ltd | Overvoltage detector for multioutput dc/dc converter |
-
1988
- 1988-09-06 JP JP11704488U patent/JPH0241687U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58119770A (en) * | 1981-12-31 | 1983-07-16 | Fujitsu Ltd | Overvoltage detector for multioutput dc/dc converter |
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