SU1243072A1 - Two-step rectifier with voltage multiplication - Google Patents

Abstract

The invention relates to translational. technology and can be used to supply multiple loads with a higher voltage of different levels. The purpose of the invention is to improve the energy and operational parameters. The device contains a rectifying bridge diodes 1-4, bridge voltage doubling circuits, isolating diodes 14, 15, 22, 23 and capacitors 7, 16, 24. The inputs of the expansion bridge and the first doubling circuit on diodes 10, 11 and capacitors 12, 13 are connected to the input terminals 5, 6. Parallel to the output of the rectifying bridge, a capacitor 7 is switched on. The output of the rectifying bridge forms the output pins. 8, 9. The output of the first voltage doubling circuit through the diodes 14, 15 is connected to one of the plates of the capacitor 16 forming the output terminal 17. Another plate of the capacitor 16 is connected to one of the plates of the capacitor 24 and to the output terminal 8. The input of the second doubling circuit on diodes. 18, 19 and the capacitors 20, 21 are connected to the output of the first doubling circuit. The output of the second doubling circuit is connected via diodes 22, 23 to the other plate of the capacitor 24 and to the output terminal 25. The subsequent stages of the multiplication circuits are connected in the same way, forming additional output outputs. The above connection of the elements of the device allows to obtain several voltages of different size at the output using the same elements of the device. I il. about (lee and with to

Description

The invention relates to a conversion technique and can be used to supply several loads with alternating voltage levels.

The purpose of the invention is to improve the energy and operational parameters,

The drawing shows a schematic diagram of the superior metel.

The device contains a single-phase rectifying bridge on diodes 1-4, the AC input of which forms input terminals 5 and 6. Parallel to the DC output, the first capacitor 7 is turned on, the terminals of which form the first output terminal 8, which is a common output terminal and the second output output 9. A single-phase bridge is connected to the input terminals 5 and 6 of the voltage doubling circuit on diodes 10 and II and capacitors 12 and 13. The output of this circuit is connected to the output of capacitor 16 through decoupling diodes 14 and 15 to form the third output 17. After blowing stage single-phase bridge is formed umnbzheni skhemoy- doubling diodes 18 and 19 and: 20 and capacitor 21. This circuit input connected to the output single-phase bridge circuit predschuschey doubling voltage and output decoupling diodes 22 and 23 - to the concentration. the capacitor 24, forming the output pin 25, the free lead of the capacitor 24 is connected to pin 8.

The device works as follows. at once.

An input voltage source is connected to input terminals 5 and 6. The capacitor 7 through diodes 2 and 3 is charged to the amplitude value of the mains voltage.

Capacitors 12 and 13 charge

and 21 through the diodes 18 and 19 is charged to the amplitude value of the mains voltage, and the capacitor 24 through the diodes 22 and 23 is charged to tripled

5 voltage and is connected to the fourth output terminal 25. To obtain higher voltages, additional capacitors can be connected in series with the capacitors,

10 Which through additional diodes will be charged up to the mains voltage, and the output voltage will be equal to the sum of the voltage of the series-connected capacitors and the voltage 5 to the network. Capacitors 16 and 24 can be connected in series, and if no level of output voltage is required, the corresponding elements can be excluded.

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25

thirty

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Claims (1)

Invention Formula A two-stroke, low-voltage rectifier containing a single-phase rectifying bridge, the alternating current input of which forms the input terminals, and the first capacitor connected in parallel with the DC output, the outputs of which form the first and second outputs, a single-phase bridge doubling voltage input connected to the input pins, and output through two dissolving diodes to one output of the second capacitor, forming the third output pin, as well as the subsequent multiplication cascades, so that Strongly 40 energy and operational improvements: (x parameters, another output of the second capacitor is connected to the nepBONry output output, which forms both the 1 output output, and each of the subsequent multiplication stages up to the amplitude value, eg 45, a single-phase bridge circuit is formed, and the accumulation the capacitor my doubling the voltage, the input under-16 through, the diodes 14 and 15 are charged to the output of the preceding one-up to double voltage, because in a phase bridge circuit doubling the current half-period the voltage on the yarn om.cherez isolator zy- two input terminals is folded with voltage - 50 zheniem one capacitor and at vtovak1schih diode - to the one end of the capacitor of this stage, the image corresponding to the output terminal and the other terminal of this capacitor is connected to a common output terminal. the half-rum period is with the voltage of another capacitor. The second storage capacitor is connected to the third output terminal 17. Capacitors 20 VNIIPI Order 3714/54 Circulation 631  Random polygons pr-tie, g, Uzhgorod ,, st. Project, 4 and 21 through the diodes 18 and 19 is charged to the amplitude value of the mains voltage, and the capacitor 24 through the diodes 22 and 23 is charged to tripled voltage and connected to the fourth output terminal 25. To obtain higher voltages, additional capacitors can be connected in series with the capacitors, Which through additional diodes will be charged before the mains voltage, and the output voltage will be equal to the sum of the voltages of the series-connected capacitors and the mains voltage. Capacitors 16 and 24 can be connected in series, and if no level of output voltage is required, the corresponding elements can be excluded. five 0 five Invention Formula A two-stroke, low-voltage rectifier containing a single-phase rectifying bridge, the alternating current input of which forms the input terminals, and the first capacitor connected in parallel with the DC output, the outputs of which form the first and second outputs, a single-phase bridge doubling voltage input connected to the input pins, and output through two dissolving diodes to one output of the second capacitor, forming the third output pin, as well as the subsequent multiplication cascades, so that Strongly energy and operational improvements: (x parameters, another output of the second capacitor is connected to the nepBONry output output, which forms both O1; the output output, and each of the subsequent multiplication stages is formed by a single-phase doubling bridge circuit, the input connected to the output preceding single-phase bridge circuit doubling voltage, output through two dis- Diode diodes to one output of the capacitor of this stage, forming the corresponding output terminal, and the other output of this capacitor is connected to the common output terminal. Subscription