JP2007090356A - Arc welder - Google Patents

Arc welder Download PDF

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JP2007090356A
JP2007090356A JP2005279070A JP2005279070A JP2007090356A JP 2007090356 A JP2007090356 A JP 2007090356A JP 2005279070 A JP2005279070 A JP 2005279070A JP 2005279070 A JP2005279070 A JP 2005279070A JP 2007090356 A JP2007090356 A JP 2007090356A
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welding
setting
welding current
selection
set value
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JP4850463B2 (en
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Kiyoshi Kusano
潔 草野
Hiroyasu Mizutori
裕康 水取
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Daihen Corp
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Daihen Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To solve such a problem that, in completing one welding and starting the next welding with a welding torch on hand, it is required for an operator to return to the installation site of a welding power source to select a new welding condition. <P>SOLUTION: An arc welder is equipped with: a remote controller comprising a welding current setting device, a welding voltage setting device, and a setting/selecting switch, and outputting a welding current set value, a welding voltage set value, and a setting/selecting signal respectively; a main power source circuit feeding electric power to a load; and a main control circuit for controlling the power of the main power source circuit, by inputting the welding current/voltage set values and the setting/selecting signal, by controlling the power of the main power source circuit on the basis of the welding current/voltage set values when the setting/selecting signal is in the setting mode, and by selecting one of the plurality of welding conditions composed of combinations of the welding current and the welding voltage set values which are stored on the basis of one or both of the welding current and the welding voltage set values when the setting/selecting signal is in the selecting mode. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、溶接電源に予め定めた複数の溶接条件を記憶し、上記記憶された複数の溶接条件のうち１つをリモートコントロール装置によって遠隔から選択及び再生する技術に関するものである。   The present invention relates to a technique for storing a plurality of predetermined welding conditions in a welding power source, and remotely selecting and reproducing one of the stored plurality of welding conditions by a remote control device.

図５は、従来技術のアーク溶接機の電気接続図である。同図において、溶接電源ＷＧはワイヤ２と被加工物３との間に電力を供給する主電源回路ＩＮＶと、予め定めた溶接電流設定値Ｉｒ及び予め定めた溶接電圧設定値Ｖｒに基づいて上記主電源回路ＩＮＶの出力を制御し、且つ記憶した上記溶接電流設定値Ｉｒ及び上記溶接電圧設定値Ｖｒの組合せから成る複数の溶接条件のうち１つを再生して上記主電源回路ＩＮＶの電力を制御する主制御回路ＳＣとで形成されている。   FIG. 5 is an electrical connection diagram of a conventional arc welder. In the figure, the welding power source WG is based on the main power source circuit INV for supplying power between the wire 2 and the workpiece 3, the predetermined welding current set value Ir and the predetermined welding voltage set value Vr. The output of the main power supply circuit INV is controlled, and one of a plurality of welding conditions consisting of the combination of the welding current set value Ir and the welding voltage set value Vr stored is reproduced to generate the power of the main power supply circuit INV. And a main control circuit SC to be controlled.

リモートコントロール装置ＲＥは、可変抵抗器を用いた溶接電流設定器ＩＲ及び溶接電圧設定器ＶＲとで形成され、溶接電源ＷＧに配線を用いて接続されている。上記溶接電流設定器ＩＲ及び溶接電圧設定器ＶＲは、上記溶接電源ＷＧから図示省略の配線を介して制御用電源の供給を受け、上記溶接電流設定器ＩＲの可変端子に設定されたアナログ値の溶接電流設定値Ｉｒ及び上記溶接電圧設定器ＶＲの可変端子に設定されたアナログ値の溶接電圧設定値Ｖｒを出力する。   The remote control device RE is formed by a welding current setting device IR and a welding voltage setting device VR using a variable resistor, and is connected to the welding power source WG using wiring. The welding current setter IR and the welding voltage setter VR are supplied with control power from the welding power source WG via a wiring (not shown), and have an analog value set in the variable terminal of the welding current setter IR. The welding current set value Ir and the welding voltage set value Vr as an analog value set at the variable terminal of the welding voltage setter VR are output.

溶接条件切換スイッチＷＲは、図５に示す溶接トーチ１に配設されたロータリスイッチであり、上記溶接条件切換スイッチＷＲには目盛（１乃至１０及びリモコン）が付けられている。上記ツマミを１乃至１０の位置に設定すると、上記設定した１乃至１０の番号に基づいて上記主制御回路ＳＣに予め記憶された複数の溶接条件のうち１つを選択し再生させて上記主電源回路ＩＮＶの電力を制御し、上記溶接条件切換スイッチＷＲのツマミをリモコンの位置に設定すると、主制御回路ＳＣはリモートコントロール装置ＲＥによって設定される溶接電流設定値Ｉｒ及び溶接電圧設定値Ｖｒに基づいて主電源回路ＩＮＶの出力を制御する。また、上記ツマミがリモコンに設定された状態で溶接条件選択回路ＷＣから溶接条件設定信号Ｗｃが上記主制御回路ＳＣに入力されると、上記主制御回路ＳＣは溶接条件設定信号Ｗｃに基づいて記憶された複数の溶接条件のうち１つを選択し再生して上記主電源回路ＩＮＶの電力を制御する。   The welding condition changeover switch WR is a rotary switch disposed in the welding torch 1 shown in FIG. 5, and a scale (1 to 10 and a remote controller) is attached to the welding condition changeover switch WR. When the knob is set at a position of 1 to 10, one of a plurality of welding conditions stored in advance in the main control circuit SC is selected and reproduced based on the set numbers of 1 to 10, and the main power supply is selected. When the power of the circuit INV is controlled and the knob of the welding condition changeover switch WR is set to the position of the remote controller, the main control circuit SC is based on the welding current set value Ir and the welding voltage set value Vr set by the remote control device RE. To control the output of the main power supply circuit INV. When the welding condition setting signal Wc is input from the welding condition selection circuit WC to the main control circuit SC with the knob set to the remote control, the main control circuit SC stores the welding condition setting signal Wc based on the welding condition setting signal Wc. One of the plurality of welding conditions is selected and reproduced to control the power of the main power supply circuit INV.

上述より、作業者が手元の溶接トーチに配設されている溶接条件切換スイッチＷＲ（ロータリスイッチ）によって、溶接電源ＷＧに記憶された複数の溶接条件のうち１つを容易に遠隔から選択できるので、１つの溶接条件が終了するごとに上記溶接電源ＷＧに作業者が戻って選択する必要がない。また、特許文献１には、上述した技術が開示されている。   As described above, since the operator can easily select one of a plurality of welding conditions stored in the welding power source WG from a remote location by a welding condition changeover switch WR (rotary switch) disposed on the welding torch at hand. There is no need for the operator to return to the welding power source WG and make a selection every time one welding condition ends. Patent Document 1 discloses the above-described technique.

特開昭５９−１６５１７８号公報JP 59-165178 A

一般的に、作業者が溶接トーチを持って１つの溶接が終了し、次の溶接を行う場合に、上記作業者が溶接電源の置かれている場所に戻り記憶されている複数の溶接条件うち１つを選択しなければならない。一方、上述の従来技術では、溶接条件切換スイッチ（ロータリスイッチ）を溶接トーチに配設し、上記ロータリスイッチを用いて遠隔から記憶されている溶接条件を選択するので溶接電源に戻る手間が省ける。しかし、上述のロータリスイッチを用いて記憶されている溶接条件を選択する方法では、記憶されている溶接条件の数に応じて配線数が決定し、上記記憶する溶接条件の数が増加すると溶接トーチから溶接電源への配線の数も増加し構造が複雑になり信頼性に欠ける。   In general, when an operator completes one welding with a welding torch and performs the next welding, the operator returns to the place where the welding power source is placed and stores a plurality of stored welding conditions. One must be selected. On the other hand, in the above-described prior art, the welding condition changeover switch (rotary switch) is arranged on the welding torch, and the welding condition stored remotely is selected by using the rotary switch, so that the trouble of returning to the welding power source can be saved. However, in the method of selecting the stored welding conditions using the rotary switch described above, the number of wirings is determined according to the number of stored welding conditions, and the number of stored welding conditions increases, the welding torch As a result, the number of wires from the welding power source increases, the structure becomes complicated, and reliability is lacking.

また、リモートコントロール装置にマイクロプロセッサを搭載し、溶接電源と上記リモートコントロール装置との間に相互にデジタル通信を行う機能を持たせ、上記デジタル通信によって溶接電源に記憶された複数の溶接条件のうち１つを選択し再生するリモートコントロール装置もある。しかし、上記リモートコントロール装置に搭載するマイクロプロセッサは高価であり、且つ溶接中に発生するノイズに対して上記マイクロプロセッサは誤動作が生じやすく信頼性に欠ける。   In addition, the remote control device is equipped with a microprocessor, and has a function of performing digital communication between the welding power source and the remote control device, and among the plurality of welding conditions stored in the welding power source by the digital communication. Some remote control devices select and play one. However, the microprocessor mounted on the remote control device is expensive, and the microprocessor is liable to malfunction due to noise generated during welding and lacks reliability.

そこで、本発明では、上述した課題を解決するアーク溶接機を提供することにある。   Therefore, an object of the present invention is to provide an arc welder that solves the above-described problems.

上述した課題を解決するために、第１の発明は、溶接電流設定器、溶接電圧設定器及び設定・選択スイッチで形成し上記溶接電流設定器は予め定めたアナログの溶接電流設定値を出力し、上記溶接電圧設定器は予め定めたアナログの溶接電圧設定値を出力し、上記設定・選択スイッチは設定・選択信号を出力するリモートコントロール装置と、負荷に予め定めた電力を供給する主電源回路と、上記溶接電流設定値、上記溶接電圧設定値及び設定・選択信号を入力し、上記設定・選択信号が設定モードのとき、上記溶接電流設定値及び上記溶接電圧設定値に基づいて上記主電源回路の電力を制御し、上記設定・選択信号が選択モードのとき、上記溶接電流設定値又は上記溶接電圧設定値のどちらか１つ又は両方の設定値に基づいて予め記憶されている上記溶接電流設定値及び上記溶接電圧設定値の組合せから成る複数の溶接条件のうち１つを選択し再生して上記主電源回路の電力を制御する主制御回路と、を具備したことを特徴とするアーク溶接機である。   In order to solve the above-described problem, the first invention is formed by a welding current setting device, a welding voltage setting device, and a setting / selection switch, and the welding current setting device outputs a predetermined analog welding current setting value. The welding voltage setting device outputs a predetermined analog welding voltage setting value, the setting / selection switch outputs a setting / selection signal, and a main power supply circuit for supplying predetermined power to the load And input the welding current set value, the welding voltage set value and the setting / selection signal, and when the setting / selection signal is in the setting mode, the main power supply is based on the welding current setting value and the welding voltage setting value. When the power of the circuit is controlled and the setting / selection signal is in the selection mode, it is stored in advance based on one or both of the welding current set value and the welding voltage set value. A main control circuit that selects and reproduces one of a plurality of welding conditions including a combination of the welding current set value and the welding voltage set value to control the power of the main power supply circuit. Arc welding machine.

第１の発明によれば、溶接電流設定器又は溶接電圧設定器を溶接条件選択器として兼用するので、リモートコントロール装置に設定・選択スイッチのみを新たに追加するだけで、溶接電源に予め記憶されている溶接電流設定値及び溶接電圧設定値の組合せから成る複数の溶接条件のうち１つの溶接条件を遠隔から選択することができる。また、溶接電流設定値及び溶接電圧設定値の２つの設定値に基づいて予め記憶された複数の溶接条件のうち１つを選択すると、１つの設定値に基づいて溶接条件を選択するよりも多く記憶された溶接条件の中から１つを選択することができる。且つ構成される部品の数、配線の数が少なくて済み、溶接中に発生するノイズに対して誤動作が生じにくくなり信頼性が向上し、更に高価な部品を必要としないので低価格も実現できる。   According to the first aspect of the invention, since the welding current setting device or the welding voltage setting device is also used as a welding condition selector, it is stored in advance in the welding power source only by adding only a setting / selection switch to the remote control device. One welding condition can be selected from a plurality of welding conditions consisting of a combination of a welding current set value and a welding voltage set value. Further, if one of a plurality of pre-stored welding conditions is selected based on the two setting values of the welding current setting value and the welding voltage setting value, it is more than selecting the welding condition based on one setting value. One of the stored welding conditions can be selected. In addition, the number of components and the number of wirings can be reduced, malfunctions are less likely to occur due to noise generated during welding, reliability is improved, and further, no expensive parts are required, so low cost can be realized. .

［実施の形態１］
図１は、本発明の実施形態１に係るアーク溶接機の接続図である。同図において、図５に示す、従来技術のアーク溶接機の電気接続図と同一符号は同一動作を行うので説明は省略し符号が相違する構成についてのみ説明する。 [Embodiment 1]
FIG. 1 is a connection diagram of an arc welder according to Embodiment 1 of the present invention. In the figure, the same reference numerals as those in the electrical connection diagram of the arc welding machine of the prior art shown in FIG.

図１に示すリモートコントロール装置ＲＥＣは、溶接電流設定器ＩＲ、溶接電圧設定器ＶＲ及び単接点の設定・選択スイッチＳＷ５で形成し、上記溶接電流設定器ＩＲは予め定めたアナログ値の溶接電流設定値Ｉｒを設定して出力し、上記溶接電圧設定器ＶＲは予め定めたアナログ値の溶接電圧設定値Ｖｒを設定して出力し、上記設定・選択スイッチは設定モード、選択モードを設定して設定・選択信号Ｓｗ５として出力する。   The remote control device REC shown in FIG. 1 is formed by a welding current setting device IR, a welding voltage setting device VR, and a single contact setting / selecting switch SW5. The welding current setting device IR sets a welding current with a predetermined analog value. The value Ir is set and output, the welding voltage setting device VR sets and outputs a predetermined analog welding voltage setting value Vr, and the setting / selection switch sets and sets the setting mode and selection mode. -It outputs as selection signal Sw5.

溶接条件設定・選択回路ＷＳは、溶接電流設定スイッチＳＷ１、溶接電圧設定スイッチＳＷ２、溶接条件選択スイッチＳＷ３及び反転回路ＮＴで形成し、リモートコントロール装置ＲＥＣの設定・選択スイッチＳＷ５を設定モード（開放）にすると、選択・設定信号Ｓｗ５がハイレベルになり、上記溶接電流設定スイッチＳＷ１及び上記溶接電圧設定スイッチＳＷ２が導通状態となり、溶接電流設定器ＩＲによって設定したアナログ値の溶接電流設定値Ｉｒ及び溶接電圧設定器ＶＲによって設定したアナログ値の溶接電圧設定値Ｖｒを主制御回路ＳＣに入力する。   The welding condition setting / selection circuit WS is formed by a welding current setting switch SW1, a welding voltage setting switch SW2, a welding condition selection switch SW3, and an inverting circuit NT, and the setting / selecting switch SW5 of the remote control device REC is set to a setting mode (open). Then, the selection / setting signal Sw5 becomes a high level, the welding current setting switch SW1 and the welding voltage setting switch SW2 become conductive, the analog welding current setting value Ir set by the welding current setting device IR and the welding are set. An analog welding voltage set value Vr set by the voltage setter VR is input to the main control circuit SC.

主制御回路ＳＣは設定モードになると、入力された溶接電流設定値Ｉｒ及び溶接電圧設定値Ｖｒに基づいて主電源回路ＩＮＶの電力を制御する。また、上記主制御回路ＳＣは設定モードの状態で、図１に示す溶接条件選択回路ＷＣから溶接条件設定信号Ｗｃが上記主制御回路ＳＣに入力されると、上記主制御回路ＳＣは上記溶接条件設定信号Ｗｃに基づいて記憶された複数の溶接条件のうち１つを選択し再生させて上記主電源回路ＩＮＶの電力を制御する。   When the main control circuit SC enters the setting mode, the main control circuit SC controls the power of the main power supply circuit INV based on the input welding current set value Ir and welding voltage set value Vr. When the welding condition setting signal Wc is input to the main control circuit SC from the welding condition selection circuit WC shown in FIG. 1 while the main control circuit SC is in the setting mode, the main control circuit SC One of the plurality of welding conditions stored based on the setting signal Wc is selected and reproduced to control the power of the main power supply circuit INV.

続いて、リモートコントロール装置ＲＥＣの設定・選択スイッチＳＷ５を選択モード（閉路）にすると、設定・選択信号Ｓｗ５がローレベルになり、溶接電流設定スイッチＳＷ１及び溶接電圧設定スイッチＳＷ２が遮断状態になると共に溶接条件選択スイッチＳＷ３は導通状態となり、図３に示す溶接電流設定器ＩＲに設けられた、目盛の溶接条件番号１乃至１０位置に相当する溶接電流設定値Ｉｒが主制御回路ＳＣ入力される。   Subsequently, when the setting / selection switch SW5 of the remote control device REC is set to the selection mode (closed), the setting / selection signal Sw5 becomes low level, and the welding current setting switch SW1 and the welding voltage setting switch SW2 are cut off. The welding condition selection switch SW3 is turned on, and the welding current set value Ir corresponding to the welding condition numbers 1 to 10 on the scale provided in the welding current setting device IR shown in FIG. 3 is input to the main control circuit SC.

主制御回路ＳＣは選択モードになると、図３に示すリモートコントロール装置の溶接電流設定器ＩＲに設けた溶接条件番号（スクリーン図）の０乃至９の位置に相当する溶接電流設定値Ｉｒに基づいて、記憶されている溶接電流設定値Ｉｒ及び溶接電圧設定値Ｖｒの組合せから成る複数の溶接条件のうち１つを選択し再生して主電源回路ＩＮＶの電力を制御する。また、上記溶接電流設定値Ｉｒの代わり溶接電圧設定値Ｖｒを用いてもよい。   When the main control circuit SC enters the selection mode, the main control circuit SC is based on the welding current set value Ir corresponding to the positions 0 to 9 of the welding condition number (screen diagram) provided in the welding current setting device IR of the remote control device shown in FIG. The power of the main power supply circuit INV is controlled by selecting and reproducing one of a plurality of welding conditions including a combination of the stored welding current set value Ir and welding voltage set value Vr. Further, the welding voltage set value Vr may be used instead of the welding current set value Ir.

図２は、実施形態１の動作を説明する波形図である。同図において、同図（Ａ）は、起動信号Ｔｓを示し、同図（Ｂ）は、設定・選択信号Ｓｗ５を示し、同図（Ｃ）は、反転信号Ｎｔを示し、同図（Ｄ）は、溶接電流設定信号Ｉｒを示す。続いて、上記図２の波形図を用いて動作について説明する。   FIG. 2 is a waveform diagram for explaining the operation of the first embodiment. In the same figure, (A) shows the activation signal Ts, (B) shows the setting / selection signal Sw5, (C) shows the inverted signal Nt, (D) Indicates a welding current setting signal Ir. Next, the operation will be described with reference to the waveform diagram of FIG.

図２に示す時刻ｔ＝ｔ１において、図２（Ｂ）に示す、設定・選択スイッチＳＷ５を設定モード（開放）にして設定・選択信号Ｓｗ５がＨｉｇｈレベルになると、主制御回路ＳＣは設定モードを認識する。続いて、図１に示す溶接電流設定スイッチＳＷ１及び溶接電圧設定スイッチＳＷ２が導通状態となると共に溶接条件選択スイッチＳＷ３は遮断状態となる。   At time t = t1 shown in FIG. 2, when the setting / selection switch SW5 shown in FIG. 2 (B) is set to the setting mode (open) and the setting / selection signal Sw5 becomes the high level, the main control circuit SC changes to the setting mode. recognize. Subsequently, the welding current setting switch SW1 and the welding voltage setting switch SW2 shown in FIG. 1 are turned on and the welding condition selection switch SW3 is turned off.

時刻ｔ＝ｔ１〜ｔ２において、溶接電流設定器ＩＲによって設定されるアナログ値の溶接電流設定値Ｉｒ及び溶接電圧設定器ＶＲによって設定されるアナログ値の溶接電圧設定値Ｖｒは主制御回路ＳＣに入力される。   At time t = t1 to t2, an analog welding current set value Ir set by the welding current setter IR and an analog welding voltage set value Vr set by the welding voltage setter VR are input to the main control circuit SC. Is done.

時刻ｔ＝ｔ２において、図２（Ａ）に示す起動信号ＴｓがＨｉｇｈレベルになると、主制御回路ＳＣは、入力された溶接電流設定値Ｉｒ及び溶接電圧設定値Ｖｒに基づいて主電源回路ＩＮＶに入力して電力制御を開始する。   When the activation signal Ts shown in FIG. 2A becomes High level at time t = t2, the main control circuit SC sets the main power supply circuit INV based on the input welding current set value Ir and welding voltage set value Vr. Input to start power control.

時刻ｔ＝ｔ２〜ｔ３の期間中、主制御回路ＳＣは、入力された溶接電流設定値Ｉｒ及び溶接電圧設定値Ｖｒに基づいて主電源回路ＩＮＶに入力して電力制御を継続する。   During the period of time t = t2 to t3, the main control circuit SC inputs the main power supply circuit INV based on the input welding current set value Ir and the welding voltage set value Vr and continues the power control.

時刻ｔ＝ｔ３において、図２（Ａ）に示す起動信号ＴｓがＬｏｗレベルになると、主制御回路ＳＣは主電源回路ＩＮＶの電力制御を停止する。続いて、時刻ｔ＝ｔ４において、同図（Ｂ）に示す設定・選択信号Ｓｗ５がＬｏｗレベル（選択モード）になると、主制御回路ＳＣは選択モードに変化したことを認識し、溶接電流設定スイッチＳＷ１及び溶接電圧設定スイッチＳＷ２が遮断状態となると共に溶接条件選択スイッチＳＷ３は導通状態となる。   At time t = t3, when the activation signal Ts shown in FIG. 2A becomes a low level, the main control circuit SC stops the power control of the main power supply circuit INV. Subsequently, at time t = t4, when the setting / selection signal Sw5 shown in FIG. 5B is at the low level (selection mode), the main control circuit SC recognizes that it has changed to the selection mode, and the welding current setting switch SW1 and welding voltage setting switch SW2 are cut off and welding condition selection switch SW3 is turned on.

時刻ｔ＝ｔ４〜ｔ５において、図２（Ａ）に示す設定・選択信号Ｓｗ５のＬｏｗレベル
になると同図（Ｃ）に示す反転回路ＮＴの反転信号Ｎｔはハイレベルになり溶接条件選択スイッチＳＷ３は導通し、図３に示すリモートコントロール装置の溶接電流設定器ＩＲに設けた溶接条件番号（スクリーン図）の、例えば、２にツマミを設定すると上記２に相当する図２（Ｄ）に示す、溶接電流設定値Ｉｒが主制御回路ＳＣ入力さる。 At time t = t4 to t5, when the setting / selection signal Sw5 shown in FIG. 2A becomes low level, the inversion signal Nt of the inverting circuit NT shown in FIG. The welding condition number (screen diagram) provided in the welding current setting device IR of the remote control device shown in FIG. 3, for example, the welding condition number (screen diagram) shown in FIG. The current set value Ir is input to the main control circuit SC.

時刻ｔ＝ｔ５において、図２（Ａ）に示す起動信号ＴｓがＨｉｇｈレベルになると、主制御回路ＳＣは、溶接条件番号２に相当する溶接電流設定値Ｉｒに基づいて、記憶されている溶接電流設定値Ｉｒ及び溶接電圧設定値Ｖｒの組合せから成る複数の溶接条件のうち１つを選択し再生して主電源回路ＩＮＶの電力制御を開始する。   When the start signal Ts shown in FIG. 2A becomes High level at time t = t5, the main control circuit SC determines the stored welding current based on the welding current set value Ir corresponding to the welding condition number 2. One of a plurality of welding conditions consisting of a combination of the set value Ir and the welding voltage set value Vr is selected and reproduced to start the power control of the main power supply circuit INV.

時刻ｔ＝ｔ５以後において、主制御回路ＳＣは再生された溶接条件に基づいて主電源回路ＩＮＶの電力制御を継続する。   After time t = t5, the main control circuit SC continues power control of the main power supply circuit INV based on the regenerated welding conditions.

［実施の形態２］
図４は、本発明の実施の形態２のアーク溶接機の電気接続図である。同図において、図１に示す本発明の実施の形態１の電気接続図と同一符号は、同一動作を行うので説明は省略して相違する動作についてのみ説明する。 [Embodiment 2]
FIG. 4 is an electrical connection diagram of the arc welder according to the second embodiment of the present invention. In the figure, the same reference numerals as those in the electrical connection diagram of the first embodiment of the present invention shown in FIG. 1 perform the same operations, and thus the description thereof will be omitted and only different operations will be described.

図４に示す、実施の形態２のアーク溶接機の電気接続図には、溶接条件選択スイッチＳＷ３に加えて新たに第２の溶接条件選択スイッチＳＷ４を設け、リモートコントロール装置に配設されている設定・選択スイッチＳＷ５を選択モード（閉路）にして、図２（Ｂ）に示す設定・選択信号Ｓｗ５がＬｏｗレベル（選択モード）になると、上記主制御回路ＳＣは選択モードを認識する。   In the electrical connection diagram of the arc welder of the second embodiment shown in FIG. 4, a second welding condition selection switch SW4 is newly provided in addition to the welding condition selection switch SW3, and is arranged in the remote control device. When the setting / selection switch SW5 is set to the selection mode (closed) and the setting / selection signal Sw5 shown in FIG. 2B is at the low level (selection mode), the main control circuit SC recognizes the selection mode.

続いて、設定・選択信号Ｓｗ５がＬｏｗレベル（選択モード）になると、図４に示す溶接電流設定スイッチＳＷ１及び溶接電圧設定スイッチＳＷ２は遮断状態となると共に溶接条件選択スイッチＳＷ３及び第２の溶接条件選択スイッチＳＷ４は導通状態となり、上記溶接条件選択スイッチＳＷ３が導通すると、図３に示すリモートコントロール装置の溶接電流設定器ＩＲに設けた溶接条件番号（スクリーン図）の、例えば、２にツマミを設定すると主制御回路ＳＣに上記２に相当する溶接電流設定値Ｉｒ入力し、且つ、上記第２の溶接条件選択スイッチＳＷ４が導通すると、溶接電圧設定器ＶＲに設けた溶接条件番号（スクリーン図）の、例えば、５を設定すると主制御回路ＳＣには上記５に相当する溶接電圧設定値Ｖｒ入力し、上記２つの設定値を乗算及び加算（例えば、（２×１０）＋５＝２５）して溶接条件選択番号を算出し、上記算出した溶接条件選択番号に基づいて予め記憶されている複数の溶接条件のうち１つを選択し再生して主電源回路ＩＮＶの電力制御を開始する。   Subsequently, when the setting / selection signal Sw5 becomes a low level (selection mode), the welding current setting switch SW1 and the welding voltage setting switch SW2 shown in FIG. 4 are cut off and the welding condition selection switch SW3 and the second welding condition are set. When the selection switch SW4 is turned on and the welding condition selection switch SW3 is turned on, a knob is set to, for example, 2 in the welding condition number (screen diagram) provided in the welding current setting device IR of the remote control device shown in FIG. Then, when the welding current set value Ir corresponding to 2 is input to the main control circuit SC and the second welding condition selection switch SW4 is turned on, the welding condition number (screen diagram) provided in the welding voltage setting device VR is displayed. For example, when 5 is set, the welding voltage set value Vr corresponding to 5 is input to the main control circuit SC, and the two A welding condition selection number is calculated by multiplying and adding a constant value (for example, (2 × 10) + 5 = 25), and one of a plurality of welding conditions stored in advance based on the calculated welding condition selection number. Is selected and reproduced to start the power control of the main power supply circuit INV.

本発明の実施形態１に係るアーク溶接機の電気接続図である。It is an electrical connection diagram of the arc welder according to Embodiment 1 of the present invention. 図１の本発明の動作を説明するためのタイミング図である。It is a timing diagram for demonstrating operation | movement of this invention of FIG. 選択機能付リモートコントロール装置のスクリーン図である。It is a screen figure of a remote control device with a selection function. 本発明の実施の形態２のアーク溶接機の電気接続図である。It is an electrical connection diagram of the arc welder of Embodiment 2 of the present invention. 従来技術のアーク溶接機の電気接続図である。It is an electrical connection figure of the arc welding machine of a prior art.

符号の説明Explanation of symbols

１ 溶接トーチ
２ 消耗性電極
３ 被加工物
４ 送給ロール
ＡＣ 商用周波数の交流電源
ＮＴ 反転回路
ＩＮＶ 主電源回路
ＩＲ 溶接電流設定器
ＲＥ リモートコントロール装置
ＲＥＣ リモートコントロール装置
Ｒ 抵抗器
ＳＣ 主制御回路
ＳＷ１ 溶接電流設定スイッチ
ＳＷ２ 溶接電圧設定スイッチ
ＳＷ３ 溶接条件選択スイッチ
ＳＷ４ 第２の溶接条件選択スイッチ
ＳＷ５ 設定・選択スイッチ
ＶＲ 溶接電圧設定器
ＷＣ 溶接条件選択回路
ＷＧ 溶接電源
ＷＲ 溶接条件切換スイッチ
ＷＳ 溶接条件設定・選択回路
Ｎｔ 反転信号
Ｉｒ 溶接電流設定値（アナログ値）
Ｔｓ 起動信号
Ｖｒ 溶接電圧設定値（アナログ値）
Ｗｃ 溶接条件選択信号
Ｓｗ５ 設定・選択信号
DESCRIPTION OF SYMBOLS 1 Welding torch 2 Consumable electrode 3 Work piece 4 Feeding roll AC Commercial frequency AC power supply NT Inversion circuit INV Main power supply circuit IR Welding current setting device RE Remote control device REC Remote control device R Resistor SC Main control circuit SW1 Welding Current setting switch SW2 Welding voltage setting switch SW3 Welding condition selection switch SW4 Second welding condition selection switch SW5 Setting / selection switch VR Welding voltage setting device WC Welding condition selection circuit WG Welding power supply WR Welding condition changeover switch WS Welding condition setting / selection Circuit Nt Inversion signal Ir Welding current set value (Analog value)
Ts Start signal Vr Welding voltage setting value (analog value)
Wc Welding condition selection signal Sw5 Setting / selection signal

Claims (1)

溶接電流設定器、溶接電圧設定器及び設定・選択スイッチで形成し前記溶接電流設定器は予め定めたアナログの溶接電流設定値を出力し、前記溶接電圧設定器は予め定めたアナログの溶接電圧設定値を出力し、前記設定・選択スイッチは設定・選択信号を出力するリモートコントロール装置と、負荷に予め定めた電力を供給する主電源回路と、前記溶接電流設定値、前記溶接電圧設定値及び設定・選択信号を入力し、前記設定・選択信号が設定モードのとき、前記溶接電流設定値及び前記溶接電圧設定値に基づいて前記主電源回路の電力を制御し、前記設定・選択信号が選択モードのとき、前記溶接電流設定値又は前記溶接電圧設定値のどちらか１つ又は両方の設定値に基づいて予め記憶されている前記溶接電流設定値及び前記溶接電圧設定値の組合せから成る複数の溶接条件のうち１つを選択し再生して前記主電源回路の電力を制御する主制御回路と、を具備したことを特徴とするアーク溶接機。

A welding current setting device, a welding voltage setting device, and a setting / selection switch are formed, and the welding current setting device outputs a predetermined analog welding current setting value, and the welding voltage setting device sets a predetermined analog welding voltage setting. A remote control device that outputs a value and the setting / selection switch outputs a setting / selection signal, a main power supply circuit that supplies a predetermined power to a load, the welding current setting value, the welding voltage setting value, and the setting When a selection signal is input and the setting / selection signal is in the setting mode, the power of the main power circuit is controlled based on the welding current setting value and the welding voltage setting value, and the setting / selection signal is in the selection mode. At this time, the welding current setting value and the welding voltage setting stored in advance based on either one or both of the welding current setting value and the welding voltage setting value. Arc welder, wherein one selected to play to that anda main control circuit for controlling the power of the main power supply circuit among the plurality of welding conditions consisting of a combination.

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JP2015000403A (en) * 2013-06-13 2015-01-05 株式会社ダイヘン Arc welder
US20210299775A1 (en) * 2020-03-31 2021-09-30 Illinois Tool Works Inc. Methods and apparatus to synergically control a welding-type output during a welding-type operation

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JP2014213326A (en) * 2013-04-22 2014-11-17 株式会社ダイヘン Remote control unit for welding machine and welding device using the same
JP2015000403A (en) * 2013-06-13 2015-01-05 株式会社ダイヘン Arc welder
US20210299775A1 (en) * 2020-03-31 2021-09-30 Illinois Tool Works Inc. Methods and apparatus to synergically control a welding-type output during a welding-type operation

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JP4850463B2 (en) 2012-01-11
CN1939633A (en) 2007-04-04

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