JPS6363095U

JPS6363095U -

Info

Publication number: JPS6363095U
Application number: JP15482386U
Authority: JP
Priority date: 1986-10-07
Filing date: 1986-10-07
Publication date: 1988-04-26

Description

[Brief explanation of the drawing]

第１図はこの考案実施例電源回路の回路図、第
２図及び第３図はそれぞれ従来の電源回路の回路
図、第４図は第３図の電源回路の２次電圧波形図
、第５ａ図〜第５ｃ図はそれぞれこの考案の他の
実施例の要部回路図である。１は電源、１１は第１電源トランス、１２は第
２電源トランス、Ｃ_１，Ｃ_２は平滑コンデンサ、
Ｄ_１，Ｄ_２，Ｄ_５，Ｄ_６は順方向ダイオード、Ｄ
_３，Ｄ_４，Ｄ_７，Ｄ_８は逆方向ダイオード、４１
は第１巻線、４２は第２巻線、４は結合型チヨー
クコイルである。 Figure 1 is a circuit diagram of the power supply circuit according to the embodiment of this invention, Figures 2 and 3 are circuit diagrams of conventional power supply circuits, Figure 4 is a secondary voltage waveform diagram of the power supply circuit of Figure 3, and Figure 5a. Figures 5 to 5c are circuit diagrams of main parts of other embodiments of this invention. 1 is a power supply, 11 is a first power transformer, 12 is a second power transformer, C ₁ and C ₂ are smoothing capacitors,
D ₁ , D ₂ , D ₅ , D ₆ are forward diodes, D
₃ , D ₄ , D ₇ , D ₈ are reverse diodes, 41
42 is a first winding, 42 is a second winding, and 4 is a coupled chain coil.

Claims

[Scope of utility model registration request]

A first power transformer 11 connected in parallel to the power source 1
and between the second power transformer 12, the smoothing capacitors C ₁ and C ₂ corresponding to the first power transformer 11 and the second power transformer 12, and the starting ends of the secondary windings of the respective power transformers and the corresponding smoothing capacitors. The forward diode D ₁ to be connected to
D ₅ , reverse diodes D ₇ and D ₃ to be connected between the other smoothing capacitor, and reverse diodes to be connected between the winding ends of the secondary windings of each of the power transformers and the respective smoothing capacitors. D ₄ , D ₈ and forward diodes D ₆ , D ₂ to be connected between the other smoothing capacitor, the first winding 41 is connected to the first power transformer 11 and the first power transformer. and the diode to be connected, a second winding 42 is interposed between the second power transformer 12 and the diode to be connected to the second power transformer, and 1st winding 41 and 2nd winding 4
1. A power supply circuit characterized in that the power supply circuit comprises a coupled-type chi-yoke coil 4 connected so that a coupling coefficient k of 2 is approximately -1.