JPS6028487U - switching power supply - Google Patents
switching power supplyInfo
- Publication number
- JPS6028487U JPS6028487U JP11991983U JP11991983U JPS6028487U JP S6028487 U JPS6028487 U JP S6028487U JP 11991983 U JP11991983 U JP 11991983U JP 11991983 U JP11991983 U JP 11991983U JP S6028487 U JPS6028487 U JP S6028487U
- Authority
- JP
- Japan
- Prior art keywords
- winding
- transformer
- circuit
- switching element
- input
- 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
Landscapes
- Dc-Dc Converters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
Claims (2)
から入力側に、前記変圧器に設けられた帰還巻線を通し
て正帰還をかけて自励発振動作をさ、 せ、その発振
出力を前記変圧器の巻線から取り出すスイッチング電源
において、前記スイッチング素子のオン時に前記帰還巻
線に生じる誘導□ 電圧によって一方向に充電
される時定数回路と、前記スイッチング素子の入力回路
に並列的に接続され、前記時定数回路の充電電圧を入力
信号として前記スイッチング素子に入力される駆動信号
を制御する三端子制御素子とを備えることを特徴とする
スイッチング電源。(1) Positive feedback is applied from the output side of the switching element connected to the transformer to the input side through a feedback winding provided in the transformer to cause self-oscillation operation, and the oscillation output is transferred to the transformer. In a switching power supply taken out from a winding of a device, a time constant circuit charged in one direction by an induced voltage generated in the feedback winding when the switching element is turned on, and a time constant circuit connected in parallel to an input circuit of the switching element, A switching power supply comprising: a three-terminal control element that controls a drive signal input to the switching element using the charging voltage of the time constant circuit as an input signal.
を検出し、前記帰還巻線から前記スイッチング素子への
正帰還量を制御する制御回路を有することを特徴とする
実用新案登録請求の範囲第１項に記載のスイッチング電
源。 。 −７：：Ｗ＊Ｌよ７，４’１５−７−９１２゜回路接続
図、第２図は同じく別の従来例における電気向路接続図
、第３図は本考案に係る自励式ス“訂プ＝＝ツ７訂門１
工お− 御素子、Ｔ１・・・・・・変圧器、Ｎｌ、Ｎ２・・・・
・・巻線、Ｎ３・・・・・・帰！巻線、Ｃ４・・・・・
・コンデンサ、Ｒ７・・・・・・抵抗、Ｄ５・・・・・
・ダイオード、５・・・・・・制御回路。 補正 昭５９．．９．６ ’
。 −−−実用新案登録請求の範囲、図面の簡単な説明を−
−次の−ように補正する。 −Ｏ実用新案登録請求の範囲 −−−−−（１） 変圧
器に接続されたスイッチング素子の出力−−側◆）ら入
力側に、−“前記変圧器に設けられた帰還−巻線を通し
て正帰還を！Ｊ）けて自励発振動作をさ−せ、その発振
出力を前記変圧器の巻線から取り−小筆スイッチング電
源において、前記スイッチ−ング素子の１７．時に−２
帰還巻線に生じる誘導；、電圧！こよってプ方尚吟充電
される時定−数一回路−と、剪聞スイツをング青子の入
力回路に並列的−に接続され、前記時定数回路の充電電
圧を入力−信号として匿スイツ、チング素子に入力され
る駆動信号を制御する三端子制御素子とを−えることを
特赦とするスイッチング電源。 。 （２） 前記変圧器の前記別の巻線側に生じ、る串力
電−圧を検出（、前記帰還巻線から前記スインチン
−グ素子への正帰還量を制御する制御回路を有すること
を特勇とする実用新案登録請求の範囲第１項に記９のス
イッチング電源。、−１(2) Registration of a utility model characterized by comprising a control circuit that detects an output voltage generated on the other winding side of the transformer and controls the amount of positive feedback from the feedback winding to the switching element. A switching power supply according to claim 1. . -7::W*L 7,4'15-7-912゜Circuit connection diagram, Fig. 2 is an electric direction connection diagram in another conventional example, and Fig. 3 is a self-excited switch according to the present invention. Revised Pu==tsu 7 Revised Gate 1
Engineering element, T1...Transformer, Nl, N2...
...Winding, N3...Return! Winding wire, C4...
・Capacitor, R7... Resistor, D5...
・Diode, 5... Control circuit. Correction 1982. ．． 9.6'
. ---Claims for utility model registration, brief explanation of drawings--
−Correct as follows−. −O Scope of Utility Model Registration Claims −−−−−(1) From the output side ◆) of the switching element connected to the transformer to the input side through the feedback winding provided in the transformer. Positive feedback is applied!J) to cause self-excited oscillation operation, and the oscillation output is taken from the winding of the transformer.
Induction generated in the feedback winding; voltage! Accordingly, the time constant circuit that is charged by the time constant circuit is connected in parallel to the input circuit of the input circuit, and the charging voltage of the time constant circuit is used as an input signal. A switching power supply that is exempted from having a three-terminal control element that controls a drive signal input to a switching element. . (2) Detecting the skew voltage generated on the other winding side of the transformer (from the feedback winding to the
- The switching power supply as set forth in Claim 1 of Claim 9, characterized in that it has a control circuit for controlling the amount of positive feedback to the switching element. , -1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11991983U JPS6028487U (en) | 1983-08-01 | 1983-08-01 | switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11991983U JPS6028487U (en) | 1983-08-01 | 1983-08-01 | switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6028487U true JPS6028487U (en) | 1985-02-26 |
Family
ID=30275028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11991983U Pending JPS6028487U (en) | 1983-08-01 | 1983-08-01 | switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6028487U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63118950U (en) * | 1987-01-26 | 1988-08-01 | ||
| JPS63122642U (en) * | 1987-01-30 | 1988-08-09 |
-
1983
- 1983-08-01 JP JP11991983U patent/JPS6028487U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63118950U (en) * | 1987-01-26 | 1988-08-01 | ||
| JPS63122642U (en) * | 1987-01-30 | 1988-08-09 |
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