JPS61174885U - - Google Patents
Info
- Publication number
- JPS61174885U JPS61174885U JP5830085U JP5830085U JPS61174885U JP S61174885 U JPS61174885 U JP S61174885U JP 5830085 U JP5830085 U JP 5830085U JP 5830085 U JP5830085 U JP 5830085U JP S61174885 U JPS61174885 U JP S61174885U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- switching
- transformer
- power supply
- coupling means
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 238000004804 winding Methods 0.000 claims 2
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案に係るスイツチング電源の電気
回路図、第２図は同じく別の実施例における電気
回路図、第３図は更に別の実施例における電気回
路図、第４図は起動回路及び起動停止回路の具体
的な電気回路図、第５図は本考案に係るスイツチ
ング電源の更に別の実施例における電気回路図、
第６図は従来のスイツチング電源の電気回路接続
図、第７図は同じくその問題点を説明するための
電気回路図である。
１……直流電源、２……電力変換用変圧器、３
，３１，３２……スイツチング素子、４……起動
回路、５……出力整流平滑回路、６……制御回路
、７……補助電源回路、８……パルス変圧器、９
……起動停止回路、１０……パルス変圧器、１１
……コンデンサ。
Figure 1 is an electric circuit diagram of a switching power supply according to the present invention, Figure 2 is an electric circuit diagram of another embodiment, Figure 3 is an electric circuit diagram of yet another embodiment, and Figure 4 is a starting circuit and A specific electric circuit diagram of the start/stop circuit, FIG. 5 is an electric circuit diagram of yet another embodiment of the switching power supply according to the present invention,
FIG. 6 is an electric circuit connection diagram of a conventional switching power supply, and FIG. 7 is an electric circuit diagram for explaining the problem. 1...DC power supply, 2...Power conversion transformer, 3
, 31, 32... Switching element, 4... Starting circuit, 5... Output rectifying and smoothing circuit, 6... Control circuit, 7... Auxiliary power supply circuit, 8... Pulse transformer, 9
...Start/stop circuit, 10...Pulse transformer, 11
...Capacitor.
Claims (1)
れ直流入力をスイツチングするスイツチング素子
と、前記変圧器の出力巻線に取出されたスイツチ
ング出力を直流交換して出力する回路と、前記直
流入力を動作電源とし前記スイツチング素子を起
動させるパルス信号を発生する起動回路と、起動
後に前記スイツチング素子を駆動制御する制御回
路とを備えるスイツチング電源において、前記起
動回路の出力端子と前記スイツチング素子の制御
端子とを、交流結合手段によつて交流的に結合し
たことを特徴とするスイツチング電源。 (2) 前記交流結合手段は、変圧器であることを
特徴とする実用新案登録請求の範囲第１項に記載
のスイツチング電源。 (3) 前記交流結合手段となる前記変圧器は、前
記制御回路と前記スイツチング素子の制御端子と
の間に介在された変圧器であることを特徴とする
実用新案登録請求の範囲第１項に記載のスイツチ
ング電源。 (4) 前記交流結合手段は、コンデンサであるこ
とを特徴とする実用新案登録請求の範囲第１項に
記載のスイツチング電源。[Claims for Utility Model Registration] (1) A transformer, a switching element connected to the input winding of the transformer for switching DC input, and a switching element for switching DC input taken out to the output winding of the transformer. A switching power supply comprising: a circuit that outputs a switching element; a startup circuit that uses the DC input as an operating power source to generate a pulse signal that activates the switching element; and a control circuit that drives and controls the switching element after activation; A switching power supply characterized in that the output terminal of the switching element and the control terminal of the switching element are coupled in an alternating current manner by an alternating current coupling means. (2) The switching power supply according to claim 1, wherein the AC coupling means is a transformer. (3) According to claim 1 of the utility model registration claim, the transformer serving as the AC coupling means is a transformer interposed between the control circuit and the control terminal of the switching element. Switching power supply as described. (4) The switching power supply according to claim 1, wherein the AC coupling means is a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985058300U JPH034155Y2 (en) | 1985-04-19 | 1985-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985058300U JPH034155Y2 (en) | 1985-04-19 | 1985-04-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61174885U true JPS61174885U (en) | 1986-10-31 |
| JPH034155Y2 JPH034155Y2 (en) | 1991-02-01 |
Family
ID=30583674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985058300U Expired JPH034155Y2 (en) | 1985-04-19 | 1985-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034155Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS648867A (en) * | 1987-06-30 | 1989-01-12 | Rohm Co Ltd | Switching regulator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362524U (en) * | 1976-10-26 | 1978-05-26 |
-
1985
- 1985-04-19 JP JP1985058300U patent/JPH034155Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362524U (en) * | 1976-10-26 | 1978-05-26 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS648867A (en) * | 1987-06-30 | 1989-01-12 | Rohm Co Ltd | Switching regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH034155Y2 (en) | 1991-02-01 |