CN2423054Y

CN2423054Y - Pulse brush plating and welding inverter

Info

Publication number: CN2423054Y
Application number: CN 00231783
Authority: CN
Inventors: 周建忠; 王树国
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-28
Filing date: 2000-03-28
Publication date: 2001-03-14
Anticipated expiration: 2010-03-28

Abstract

The utility model relates to a pulse brush plating and welding inverse power supply, which comprises an electrical power supply system, an electronic power system of full-wave rectified output, a welding output circuit, a brush plating output circuit, a test sampling amplifying circuit, a comparison circuit, a given circuit, and an electronic control system. The utility model is characterized in that a first switch of a double-pole double-throw switch is connected between two rectified output arms, and a second switch is connected between center line of a rectified output transformer and welding output or brush plating output; a current sampling and a voltage sampling circuits are respectively connected with a small switch. With replacing each switch position, the utility model can realize brush plating constant voltage pulse output or welding constant current output, and the utility model reaches the purpose of one machine with multiple functions.

Description

Pulse brush plating and welding inverter power source

The utility model relates to a kind of power supply, particularly a kind of inverter that is used for pulse brush plating and welding.

Inverter is energy-efficient with it, superior performance, volume are little, in light weight is subjected to extensive attention, contravariant arc welding power source, inversion electroplating power supply, inverse switch power supply, uninterrupted power source, variable-frequency power ... etc. various inverters by a large amount of Application and Development.Put on market with single-function device and existing various different purposes inverters are many, the equipment to some small enterprises then wish to have a tractor serves several purposes to reduce equipment investment, improves utilization rate of equipment and installations.

The purpose of this utility model is to provide a kind of can carry out pulse brush plating and the welding inverter power source that brush plating can be carried out arc welding again.

Above-mentioned purpose of the present utility model is realized by following technical scheme:

A kind of pulse brush plating and welding inverter power source, the electric power system of forming by current rectifying and wave filtering circuit, semiconductor inverter and in (height) the electronic power system that forms of vertoro and the brush plating output circuit that is serially connected with the welding output circuit of inductance and is connected to the polarity reversing switch are formed main circuit frequently, wherein, (height) frequency vertoro is the full-wave rectifier with center line in this; Have one to detect sampling amplification circuit, send comparison circuit after the curtage sample of signal amplification with welding output or brush plating output, send electronic control system after comparing and enlarging with the setting value of given circuit, electronic control system connects the control end of electronic power system, it is characterized in that: a double-point double-throw switch is arranged, wherein the first switch cutter connects an arm of rectification output, this arm also directly connects an input of the polarity reversing switch of brush plating, the second switch cutter connects the center line of rectification output, another arm that the switch base A of the first switch cutter connects rectification output promptly welds the ground wire of output, and the switch base B of the first switch cutter connects sky; The switch base C of second switch cutter connect welding output line, the polarity reversing switch of the switch base D of second switch cutter and the rectifier output knee-joint brush plating that is connected to the first switch cutter constitutes brush plating and exports; On current sampling and voltage sample circuit, respectively connect a P cock.

Advantage of the present utility model is: dual-use, and brush plating can be carried out and arc welding can be carried out again, reduce equipment investment, improve utilization rate of equipment and installations.

The utility model is described in further detail below in conjunction with drawings and Examples:

Description of drawings:

Fig. 1 is that circuit of the present utility model is formed connection layout;

Fig. 2 is a change-over switch connection layout of the present utility model.

By Fig. 1,2 as seen, a kind of pulse brush plating provided by the utility model and welding inverter power source, the electric power system of forming by current rectifying and wave filtering circuit 1, semiconductor inverter and in (height) the electronic power system 2 that forms of vertoro and the welding output circuit 4 that is serially connected with inductance 3 and the brush plating output circuit 6 that is connected to polarity reversing switch 5 are formed main circuit frequently, wherein, (height) frequency vertoro 7 is the full-wave rectifier with center line in this; Have one to detect sampling amplification circuit 8, send comparison circuit 9 after the curtage sample of signal amplification with welding output 4 or brush plating output 6, send electronic control system 11 after comparing and enlarging with the setting value of given circuit 10, electronic control system 11 connects the control end of electronic power system 2, it is characterized in that: a double-point double-throw switch K is arranged, wherein the first switch cutter K1 connects an arm 12 of rectification output, this arm also directly connects an input 51 of the polarity reversing switch 5 of brush plating, second switch cutter K2 connects the center line 13 of rectification output, another arm 14 that the switch base A of the first switch cutter K1 connects rectification output promptly welds the ground wire of output, and the switch base B of the first switch cutter K1 connects sky; The switch base C of second switch cutter K2 connect welding output line, the switch base D of second switch cutter K2 and the rectifier output arm 12 that is connected to the first switch cutter K1 connect the polarity reversing switch 5 of brush plating, the output of reversing switch 5 promptly constitutes brush plating and exports; On current sampling and voltage sample circuit, respectively connect a P cock 15,16.

When welding, with double-point double-throw switch K close in position A, C then in (height) frequently rectifier center line through the switch cutter K2 of K switch connect welding output loop inductance 3 connect welding output line, in (height) frequently rectifier output arm 12 via switch cutter K1 with in (height) frequently rectifier output arm 14 and connect after connect the ground wire that welding is exported; The P cock 15 that closes is simultaneously opened P cock 16, and output current is taken a sample, and equipment is in the CONSTANT CURRENT WELDING output state.

When carrying out brush plating, double-point double-throw switch K is closed in position B, D, the center line of (height) frequency rectifier connects another input 52 of the polarity reversing switch 5 of brush plating then through the switch cutter K2 of K switch, in (height) frequently the output arm 12 of rectifier directly be connected with another input 51 of the polarity reversing switch 14 of brush plating, and switch cutter K1 with in output arm 14 disconnections of (height) frequency rectifier; The P cock 16 that closes is simultaneously opened P cock 15, and output voltage is taken a sample, and equipment is in constant pressure impulse brush plating output state.

Claims

1, a kind of pulse brush plating and welding inverter power source, the electric power system of forming by current rectifying and wave filtering circuit, semiconductor inverter and in or the electronic power system that formed of high frequency vertoro and the brush plating output circuit that is serially connected with the welding output circuit of inductance and is connected to the polarity reversing switch form main circuit, wherein, in this or the high frequency vertoro be full-wave rectifier with center line; Have one to detect sampling amplification circuit, send comparison circuit after the curtage sample of signal amplification with welding output or brush plating output, send electronic control system after comparing and enlarging with the setting value of given circuit, electronic control system connects the control end of electronic power system, it is characterized in that: a double-point double-throw switch is arranged, wherein the first switch cutter connects an arm of rectification output, this arm also directly connects an input of the polarity reversing switch of brush plating, the second switch cutter connects the center line of rectification output, another arm that the switch base A of the first switch cutter connects rectification output promptly welds the ground wire of output, and the switch base B of the first switch cutter connects sky; The switch base C of second switch cutter connect welding output line, the polarity reversing switch of the switch base D of second switch cutter and the rectifier output knee-joint brush plating that is connected to the first switch cutter constitutes brush plating and exports; On current sampling and voltage sample circuit, respectively connect a P cock.