JPS63124090U

JPS63124090U -

Info

Publication number: JPS63124090U
Application number: JP1570887U
Authority: JP
Priority date: 1987-02-05
Filing date: 1987-02-05
Publication date: 1988-08-12

Description

[Brief explanation of drawings]

第１図はこの考案の１実施例を示す直流電源装
置の構成図、第２図は従来の直流電源装置の１実
施例を示す構成図である。図において、１は１次電源、２はエネルギー逆
放出防止ダイオード、３は突入電流防止回路、４
はトランジスタ、５はダイオード、６，１０はベ
ース抵抗、７はベース・エミツタ抵抗、８は電流
制限抵抗、９はバイイス回路、１１，１２は整流
ダイオード、１３は抵抗、１４は平滑用コンデン
サ、１５はエネルギーバンク、１６は電力変換回
路、１７はパルストランス、１８はスイツチング
トランジスタ、１９は整流・平滑回路、２０は負
荷、２１は制御回路、２２は補助電源回路、２３
はダイオード、２４は定電流ダイオードである。
なお、図中同一あるいは相当部分には同一符号を
付して示してある。 FIG. 1 is a block diagram of a DC power supply device showing one embodiment of this invention, and FIG. 2 is a block diagram showing one embodiment of a conventional DC power supply device. In the figure, 1 is the primary power supply, 2 is the energy reverse emission prevention diode, 3 is the inrush current prevention circuit, and 4
is a transistor, 5 is a diode, 6 and 10 are base resistors, 7 is a base-emitter resistor, 8 is a current limiting resistor, 9 is a bias circuit, 11 and 12 are rectifier diodes, 13 is a resistor, 14 is a smoothing capacitor, 15 is an energy bank, 16 is a power conversion circuit, 17 is a pulse transformer, 18 is a switching transistor, 19 is a rectifier/smoothing circuit, 20 is a load, 21 is a control circuit, 22 is an auxiliary power supply circuit, 23
is a diode, and 24 is a constant current diode.
It should be noted that the same or corresponding parts in the drawings are designated by the same reference numerals.

Claims

[Scope of utility model registration request]

an energy bank that stores and releases electricity;
A primary power supply that supplies power to the energy bank, a power conversion circuit that receives pulsed current from the energy bank and converts power at high frequency, and a rectifier that rectifies and smoothes the output of the power conversion circuit.
a smoothing circuit, a control circuit that detects the output of the rectifier/smoothing circuit, generates a signal for controlling the voltage supplied to the load, and outputs it to the power conversion circuit; and an auxiliary power supply circuit that supplies power to operate the control circuit. , an inrush current limiting circuit that limits inrush current from the primary power source to the energy bank, an energy reverse discharge prevention diode installed between the primary power source and the inrush current limiting circuit, and the power conversion circuit. A DC power supply device comprising: a bias circuit that supplies a bias current from the inrush current to the inrush current limiting circuit; and a constant current diode in the inrush current limiting circuit.