JPH0360880U - - Google Patents
Info
- Publication number
- JPH0360880U JPH0360880U JP11620789U JP11620789U JPH0360880U JP H0360880 U JPH0360880 U JP H0360880U JP 11620789 U JP11620789 U JP 11620789U JP 11620789 U JP11620789 U JP 11620789U JP H0360880 U JPH0360880 U JP H0360880U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- circuit
- converts
- rectifier 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 3
- 238000009499 grossing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Receiver Circuits (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の電源装置の一実施例を示した
回路図、第２図は従来の電源装置の一例を示した
回路図である。
１…ダイオード、２，７…平滑用コンデンサ、
３…スタンバイ電源回路、４…リレー、５，２２
…トランジスタ、６…整流回路、８…メイン電源
回路、９…保護回路、１８，１９…抵抗、２０…
定電圧ダイオード、２１…サイリスタ。
FIG. 1 is a circuit diagram showing an embodiment of the power supply device of the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional power supply device. 1... Diode, 2, 7... Smoothing capacitor,
3...Standby power supply circuit, 4...Relay, 5, 22
...transistor, 6...rectifier circuit, 8...main power supply circuit, 9...protection circuit, 18, 19...resistor, 20...
Constant voltage diode, 21...thyristor.
Claims (1)
の整流回路にて直流電圧に変換し、この直流電圧
をスイツチングレギユレータ方式によつて所定の
交流電圧に変換した後、これを再び所定の直流電
圧として出力する電源回路と、前記交流電源を直
流電圧に変換する第２の整流回路とを有する電源
装置において、前記第２の整流回路を構成する平
滑用コンデンサの端子電圧が所定値を超えたこと
を検出する電圧検出手段と、この電圧検出手段に
よつて前記平滑用コンデンサの端子電圧が前記所
定値を超えたことが検出された場合に前記スイツ
チ回路を開路するスイツチ制御手段とを具備した
ことを特徴とする電源装置。 The first input AC power source via a switch circuit.
a power supply circuit that converts the DC voltage into a DC voltage using a rectifier circuit, converts the DC voltage into a predetermined AC voltage using a switching regulator system, and then outputs the same as the predetermined DC voltage again; a second rectifier circuit that converts the voltage into a DC voltage, the power supply device comprising: voltage detection means for detecting that a terminal voltage of a smoothing capacitor constituting the second rectifier circuit exceeds a predetermined value; A power supply device comprising switch control means for opening the switch circuit when the detection means detects that the terminal voltage of the smoothing capacitor exceeds the predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11620789U JPH0360880U (en) | 1989-10-04 | 1989-10-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11620789U JPH0360880U (en) | 1989-10-04 | 1989-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360880U true JPH0360880U (en) | 1991-06-14 |
Family
ID=31664503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11620789U Pending JPH0360880U (en) | 1989-10-04 | 1989-10-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360880U (en) |
-
1989
- 1989-10-04 JP JP11620789U patent/JPH0360880U/ja active Pending
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