JPH01127385U - - Google Patents
Info
- Publication number
- JPH01127385U JPH01127385U JP2197188U JP2197188U JPH01127385U JP H01127385 U JPH01127385 U JP H01127385U JP 2197188 U JP2197188 U JP 2197188U JP 2197188 U JP2197188 U JP 2197188U JP H01127385 U JPH01127385 U JP H01127385U
- Authority
- JP
- Japan
- Prior art keywords
- power
- power supply
- converts
- unit
- supply unit
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第1図は本考案の一実施例であるスイツチング
電源装置の回路図、第2図は従来の電源装置の一
例の回路図である。
1a,1b……入力端子、2……フイルタ部、
3……整流部、4……変換部、5……整流部、6
a,6b……出力端子、7……制御部、8……補
助電源部、9……安定化部、10……スイツチ部
、11……ダイオード。
FIG. 1 is a circuit diagram of a switching power supply device which is an embodiment of the present invention, and FIG. 2 is a circuit diagram of an example of a conventional power supply device. 1a, 1b...input terminal, 2...filter section,
3... Rectifier section, 4... Conversion section, 5... Rectifier section, 6
a, 6b... Output terminal, 7... Control section, 8... Auxiliary power supply section, 9... Stabilization section, 10... Switch section, 11... Diode.
Claims (1)
、該第1の直流電力を第2の直流電力に変換する
変換部と、該変換部を制御する制御部と、交流電
力を第3の直流電力に変換する補助電源部と、該
補助電源部と該制御部との間に接続され、該補助
電源部からの該第3の直流電力の出力が開始され
、該第3の直流電力の電圧が所定値より大きくな
つたときに該第3の直流電力を該制御部に供給す
るスイツチ部とを備えた電源装置。 a rectifier that converts AC power into first DC power; a conversion unit that converts the first DC power into second DC power; a control unit that controls the conversion unit; An auxiliary power supply unit that converts into DC power is connected between the auxiliary power supply unit and the control unit, and output of the third DC power from the auxiliary power supply unit is started, and the output of the third DC power is A power supply device comprising: a switch section that supplies the third DC power to the control section when the voltage becomes larger than a predetermined value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2197188U JPH01127385U (en) | 1988-02-22 | 1988-02-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2197188U JPH01127385U (en) | 1988-02-22 | 1988-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01127385U true JPH01127385U (en) | 1989-08-31 |
Family
ID=31239670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2197188U Pending JPH01127385U (en) | 1988-02-22 | 1988-02-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01127385U (en) |
-
1988
- 1988-02-22 JP JP2197188U patent/JPH01127385U/ja active Pending