JPS6333392U - - Google Patents
Info
- Publication number
- JPS6333392U JPS6333392U JP12407486U JP12407486U JPS6333392U JP S6333392 U JPS6333392 U JP S6333392U JP 12407486 U JP12407486 U JP 12407486U JP 12407486 U JP12407486 U JP 12407486U JP S6333392 U JPS6333392 U JP S6333392U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- temperature
- power supply
- switching power
- supply circuit
- 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
Description
第１図は本考案によるスイツチング電源回路の
一実施例を示す回路図、第２図は同実施例の要部
部分を示す斜視図、第３図は従来のスイツチング
電源回路の一例を示す回路図である。
１１……トランス、１２……パワートランジス
タ、１３……起動抵抗器（起動回路）、１５……
温度検知制御部（サーモスタツト）。
Fig. 1 is a circuit diagram showing an embodiment of a switching power supply circuit according to the present invention, Fig. 2 is a perspective view showing main parts of the same embodiment, and Fig. 3 is a circuit diagram showing an example of a conventional switching power supply circuit. It is. 11...Transformer, 12...Power transistor, 13...Starting resistor (starting circuit), 15...
Temperature detection control unit (thermostat).
Claims (1)
ンスの１次側に設けられるトランジスタと、この
トランジスタに接続される抵抗値可変型の起動抵
抗器と、前記トランジスタの温度に応じて前記起
動抵抗器の抵抗値を変える温度検知制御部とを備
えたことを特徴とするスイツチング電源回路。 A self-excited switching power supply circuit includes a transistor provided on the primary side of a transformer, a variable-resistance starting resistor connected to the transistor, and a resistance value of the starting resistor that changes depending on the temperature of the transistor. A switching power supply circuit characterized in that it is equipped with a temperature detection control section that changes the temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12407486U JPS6333392U (en) | 1986-08-14 | 1986-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12407486U JPS6333392U (en) | 1986-08-14 | 1986-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6333392U true JPS6333392U (en) | 1988-03-03 |
Family
ID=31015759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12407486U Pending JPS6333392U (en) | 1986-08-14 | 1986-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6333392U (en) |
-
1986
- 1986-08-14 JP JP12407486U patent/JPS6333392U/ja active Pending