JPH01134991U - - Google Patents
Info
- Publication number
- JPH01134991U JPH01134991U JP3036888U JP3036888U JPH01134991U JP H01134991 U JPH01134991 U JP H01134991U JP 3036888 U JP3036888 U JP 3036888U JP 3036888 U JP3036888 U JP 3036888U JP H01134991 U JPH01134991 U JP H01134991U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply device
- transformer
- secondary side
- primary
- 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
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一実施例の回路図、第２図は
本実施例の動作を説明するためのタイミングチヤ
ート、第３図は従来の定電圧電源の一例の回路図
、第４図は従来の照明用電源の一例を示す回路図
である。
１…入力電源、７…２次側制御回路、２６…ラ
ンプモニタ回路、２４…ランプ、３１…切換えス
イツチ、３２…第１の１次コイル、３３…第２の
１次コイル、３４…２次コイル、３５…整流ブリ
ツジ。
Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is a timing chart for explaining the operation of this embodiment, Fig. 3 is a circuit diagram of an example of a conventional constant voltage power supply, and Fig. 4 is a circuit diagram of an example of a conventional constant voltage power supply. FIG. 1 is a circuit diagram showing an example of a conventional lighting power source. DESCRIPTION OF SYMBOLS 1... Input power supply, 7... Secondary side control circuit, 26... Lamp monitor circuit, 24... Lamp, 31... Changeover switch, 32... First primary coil, 33... Second primary coil, 34... Secondary Coil, 35... Rectifier bridge.
Claims (1)
補正する制御信号を生成する２次側制御回路を有
する定電圧電源と、ランプモニタ回路を有する照
明用電源とを含む電源装置において、１個のトラ
ンスと、該トランスの１次側に設けられた第１お
よび第２の１次コイルと、入力電源から供給され
た交流を該第１および第２の１次コイルに切換え
て供給するための切換えスイツチ手段と、該トラ
ンスの２次側に接続された１個の整流ブリツジと
、その出力を前記２次側制御回路とランプモニタ
回路に供給する手段とを具備し、電源装置の起動
時に前記切換えスイツチは前記第１の１次コイル
側に接続され、前記定電圧電源が起動した後は前
記第２の１次コイル側に接続されるようにしたこ
とを特徴とする電源装置。 (2) 前記第２の１次コイルと並列にランプが接
続されていることを特徴とする前記実用新案登録
請求の範囲第１項記載の電源装置。[Claims for Utility Model Registration] (1) A constant voltage power supply having a secondary side control circuit that detects voltage fluctuations in the output voltage and generates a control signal to correct the voltage fluctuations, and a lighting power supply having a lamp monitor circuit. A power supply device comprising: one transformer; first and second primary coils provided on the primary side of the transformer; a changeover switch means for switching the supply to the secondary coil; a rectifier bridge connected to the secondary side of the transformer; and means for supplying the output to the secondary side control circuit and the lamp monitor circuit. The changeover switch is connected to the first primary coil when the power supply device is started, and is connected to the second primary coil after the constant voltage power supply is started. Features a power supply device. (2) The power supply device according to claim 1 of the utility model registration, characterized in that a lamp is connected in parallel with the second primary coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3036888U JPH01134991U (en) | 1988-03-09 | 1988-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3036888U JPH01134991U (en) | 1988-03-09 | 1988-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01134991U true JPH01134991U (en) | 1989-09-14 |
Family
ID=31255374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3036888U Pending JPH01134991U (en) | 1988-03-09 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01134991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015089171A (en) * | 2013-10-29 | 2015-05-07 | 三菱電機株式会社 | Switching power supply device and power supply method |
-
1988
- 1988-03-09 JP JP3036888U patent/JPH01134991U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015089171A (en) * | 2013-10-29 | 2015-05-07 | 三菱電機株式会社 | Switching power supply device and power supply method |
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