JPS58107266U

JPS58107266U - Transistor type DC arc welding machine

Info

Publication number: JPS58107266U
Application number: JP193082U
Authority: JP
Inventors: 孝治水野; 義明加藤; 孝雄清水
Original assignee: 三菱電機株式会社
Priority date: 1982-01-11
Filing date: 1982-01-11
Publication date: 1983-07-21

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は一般のトランジスタ式直流アーク溶接機の構成
を説明するための構成図、第２図及び第３図はトランジ
スタの制御動作を説明する出力型　□眸波形図、第４図
はインダクタンス値と騒音との　　　　□関係の実測値
を示す曲線図、第５図はこの考案の実施例を示すトラン
ジスタ式直流アーク溶接機の構成図である。、　　１ｉ主変圧器２次巻線、２はダイオードスタック
、３はコンケンサ、４はトランジスタ、５は直流リアク
トル、６はフライホイールダイオード、７は出力電流制
御装置、８は電流検出器、９は出力電流設定器、１０は
電極、１１は母材、１２はアーク、１４はトランジスタ
、１５は直流リアクトル、１６はフライホイールダイオ
ード、１７は出力電圧制御装置、１９は出力電圧設定器
である。な、お、図中間−符！ｊま向−ツ管ま相当部分を示、１
−０゛２　　　　　　　　　　　　　　　　　　　　　　　　
−第１図Ｉ猷電舖Figure 1 is a configuration diagram to explain the configuration of a general transistor type DC arc welder, Figures 2 and 3 are output type waveform diagrams to explain the control operation of the transistor, and Figure 4 is the inductance value. Fig. 5 is a curve diagram showing the measured values of the relationship between □ and noise, and Fig. 5 is a configuration diagram of a transistor type DC arc welding machine showing an embodiment of this invention. , 1i main transformer secondary winding, 2 is a diode stack, 3 is a condenser, 4 is a transistor, 5 is a DC reactor, 6 is a flywheel diode, 7 is an output current controller, 8 is a current detector, 9 is an output 10 is an electrode, 11 is a base material, 12 is an arc, 14 is a transistor, 15 is a DC reactor, 16 is a flywheel diode, 17 is an output voltage controller, and 19 is an output voltage setter. Oh, oh, the mark in the middle of the figure! Showing the corresponding part from J to T pipe, 1
-0゛2
-Figure 1

Claims

[Scope of utility model registration request]

(1) A transistor connected to one of the output side terminals of the DC power supply to control the welding output characteristics, a DC reactor connected in series to this transistor, and one end connected to the connection point between the transistor and the DC reactor. , and the other end is connected to the other output terminal of the power supply to which the DC analysis handle is not connected, and when the transistor is in operation, the magnetic energy of the DC reactor is passed through the load of the arc welding machine. Equipped with a flywheel diode that emits 160 μH as the DC reactor.
By installing a DC reactor with a value above, the ripple current can be reduced to 6
A transistor type DC arc welding machine characterized by having a ripple current of 0 A or less and a ripple current of 1.5 KHz or less. , (2) Utility model registration claim 1, characterized in that: (2) two pairs of circuits each consisting of the transistor, a DC reactor, and a flywheel diode are provided in parallel;
Transistor type DC arc welding machine as described in Section 1.