JPH01146792U - - Google Patents
Info
- Publication number
- JPH01146792U JPH01146792U JP3566788U JP3566788U JPH01146792U JP H01146792 U JPH01146792 U JP H01146792U JP 3566788 U JP3566788 U JP 3566788U JP 3566788 U JP3566788 U JP 3566788U JP H01146792 U JPH01146792 U JP H01146792U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- voltage
- input
- switching
- 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
- 238000009499 grossing Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案に係る直流安定化電源の実施例
を示したブロツクダイアグラム、第２図はその入
出力電圧の関係を示したグラフ、第３図及び第４
図はその直流安定化電源を用いた無停電電源装置
を示したブロツクダイアグラムである。
１０……直流安定化電源、１２，１４……スイ
ツチング回路、１６……高周波変圧器、２０……
整流回路、２２……平滑回路、２６……制御回路
、２８……帰還回路、１０２……整流回路、１０
４……平滑回路、１０６……第１の安定化電源、
１０８……第２の安定化電源、１１０……切換回
路、１１２……ＤＣ／ＡＣインバータ、２００…
…切換回路、２０４……整流回路、２０６……平
滑回路、２０８……安定化電源、２１０……ＤＣ
／ＡＣインバータ。
Fig. 1 is a block diagram showing an embodiment of the DC stabilized power supply according to the present invention, Fig. 2 is a graph showing the relationship between input and output voltages, and Figs.
The figure is a block diagram showing an uninterruptible power supply using the DC stabilized power supply. 10... DC stabilized power supply, 12, 14... Switching circuit, 16... High frequency transformer, 20...
Rectifier circuit, 22... Smoothing circuit, 26... Control circuit, 28... Feedback circuit, 102... Rectifier circuit, 10
4... Smoothing circuit, 106... First stabilized power supply,
108...Second stabilized power supply, 110...Switching circuit, 112...DC/AC inverter, 200...
...Switching circuit, 204...Rectifier circuit, 206...Smoothing circuit, 208...Stabilized power supply, 210...DC
/AC inverter.
Claims (1)
と、 直流入力電圧等の変化により出力電圧の変動を
防止すべく前記スイツチング回路の導通時間と遮
断時間の時間比率を制御する制御回路と、 一次側及び２次側に前記直流入力電圧が印加さ
れると共に一次側が前記スイツチング回路により
高周波スイツチングされる高周波変圧器と、 該高周波変圧器の２次側出力を整流するための
整流回路と、 該整流回路の出力を平滑するための平滑回路と
、 該平滑回路の出力を前記制御回路へ帰還させる
ための帰還回路とを具備することを特徴とする直
流安定化電源。 ２ 直流入力電圧が入力される請求項１記載の第
１の安定化電源と、 交流入力電圧が入力され、整流するための整流
回路と、 該整流回路の出力を平滑するための平滑回路と
、 該平滑回路の出力が入力される請求項１記載の
第２の安定化電源と、 前記第１の安定化電源もしくは前記第２の安定
化電源への切換を行う切換回路と、 該切換回路へ接続され、切換回路を経由して入
力された直流電圧を交流電圧に変換するためのイ
ンバータ回路とを具備することを特徴とする無停
電電源装置。 ３ 交流入力電圧が入力され、整流するための整
流回路と、 該整流回路の出力を平滑するための平滑回路と
、 該平滑回路の出力、もしくは直流入力電圧への
切換を行う切換回路と、 該切換回路へ接続され、切換回路により選択さ
れた直流電圧が入力される請求項１記載の安定化
電源と、 該安定化電源の出力である直流電圧を交流電圧
に変換するためのインバータ回路とを具備するこ
とを特徴とする無停電電源装置。[Scope of Claim for Utility Model Registration] 1. A switching circuit that performs high-frequency switching; and a control circuit that controls the time ratio between conduction time and cut-off time of the switching circuit in order to prevent fluctuations in output voltage due to changes in DC input voltage, etc. , a high frequency transformer to which the DC input voltage is applied to the primary side and the secondary side and the primary side is subjected to high frequency switching by the switching circuit; a rectifier circuit for rectifying the secondary side output of the high frequency transformer; A DC stabilized power supply comprising: a smoothing circuit for smoothing the output of the rectifier circuit; and a feedback circuit for feeding back the output of the smoothing circuit to the control circuit. 2. The first stabilized power supply according to claim 1, into which a DC input voltage is input; a rectifier circuit to which an AC input voltage is input and rectify it; and a smoothing circuit to smooth the output of the rectifier circuit. A second stabilized power source according to claim 1, into which the output of the smoothing circuit is input; a switching circuit that switches to the first stabilized power source or the second stabilized power source; and to the switching circuit. An uninterruptible power supply device comprising: an inverter circuit connected to the inverter circuit for converting a DC voltage input via a switching circuit into an AC voltage. 3. A rectifier circuit to which an AC input voltage is input and rectify it; a smoothing circuit to smooth the output of the rectifier circuit; a switching circuit to switch the output of the smoothing circuit to the DC input voltage; The stabilized power supply according to claim 1, which is connected to a switching circuit and receives the DC voltage selected by the switching circuit, and an inverter circuit for converting the DC voltage output from the stabilized power supply into an AC voltage. An uninterruptible power supply comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3566788U JPH01146792U (en) | 1988-03-17 | 1988-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3566788U JPH01146792U (en) | 1988-03-17 | 1988-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146792U true JPH01146792U (en) | 1989-10-11 |
Family
ID=31262311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3566788U Pending JPH01146792U (en) | 1988-03-17 | 1988-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146792U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54104527A (en) * | 1978-02-06 | 1979-08-16 | Matsushita Electric Ind Co Ltd | Dc power supply stabilizer |
| JPS61116969A (en) * | 1984-11-13 | 1986-06-04 | Nec Corp | Parallel operation switching power source |
-
1988
- 1988-03-17 JP JP3566788U patent/JPH01146792U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54104527A (en) * | 1978-02-06 | 1979-08-16 | Matsushita Electric Ind Co Ltd | Dc power supply stabilizer |
| JPS61116969A (en) * | 1984-11-13 | 1986-06-04 | Nec Corp | Parallel operation switching power source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2036645T3 (en) | POWER SUPPLY. | |
| EP0331157A3 (en) | Switching power supply | |
| JPH01146792U (en) | ||
| JPH06324767A (en) | Power source device for personal computer | |
| JPH0851774A (en) | Switching power supply circuit | |
| JP2797568B2 (en) | DC power supply | |
| JPH0226166Y2 (en) | ||
| JPS6355792U (en) | ||
| JPH01157585U (en) | ||
| JPH01131291U (en) | ||
| JPH033181U (en) | ||
| JPS6248477B2 (en) | ||
| JPS6344695U (en) | ||
| JPH01100672U (en) | ||
| JPH03112031U (en) | ||
| JPS57142175A (en) | Self-excited dc/dc converter | |
| JPS6149583U (en) | ||
| JPS6298486U (en) | ||
| JPS6192188U (en) | ||
| JPS62104584U (en) | ||
| JPH0214292U (en) | ||
| JPH0374189U (en) | ||
| JPH02146950U (en) | ||
| JPH0458088U (en) | ||
| JPS6177168U (en) |