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Three-phase power supply type IGBT single-tube invertion hand-arc welding machine

A three-phase power supply, arc welding machine technology, applied in arc welding equipment, welding equipment, manufacturing tools, etc., can solve the problem of different control principles, product reliability, production process and production process, affecting product sales and production costs, etc. problem, to meet the effect of high efficiency and low cost production, high reliability

Inactive Publication Date: 2017-07-25
朱宣辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of welding machine has different circuit designs, different control principles, and different complexity of circuit board connection, and its product reliability, production process and manufacturing process will be completely different.
These will affect the sales and production costs of the product

Method used

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  • Three-phase power supply type IGBT single-tube invertion hand-arc welding machine
  • Three-phase power supply type IGBT single-tube invertion hand-arc welding machine
  • Three-phase power supply type IGBT single-tube invertion hand-arc welding machine

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] as attached figure 1 Shown is a schematic structural view of an example welding machine made by the present invention. The main components of the welding machine include:

[0028] 1) Shell part. Parts mainly include: handle 2, casing 3 and base plate 28 and other parts.

[0029] 2) The internal part of the welding machine. Including: PCB1 circuit board 4 and IGBT and its radiator 5 on the circuit board, transformer I6, voltage regulator and its radiator 7, resistor 8 and other devices. After the PCB1 circuit board 4 is processed, it is placed in the plastic protective box 19 and filled with insulating material, which can ensure that the PCB1 circuit board 4 has the protection performance of waterproof, mildew proof, vibration proof, corrosion proof and dust proof. The plastic protective box I 9 is fixed on the radiator I 10, the radiator II 11 and the radiator III 13 below it. The input rectifier bridge 18 and the IGBT 17 (the IGBT is one of the switching devices in ...

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Abstract

The invention relates to a three-phase power supply type IGBT single-tube invertion hand-arc welding machine. The welding machine is a manual welding device utilizing a three-phase power supply, an IGBT single-tube full-bridge inversion control technology is adopted, wherein control circuits comprise an under-voltage, over-voltage and overheating protection control part, a switch power supply circuit, a power-on buffer control circuit and a digital display and control circuit part controlled by a microprocessor, four circuit boards are designed, in addition to a switch power supply control circuit board, a display and control circuit board of the output current, a direct current bus voltage identification control circuit board and some large components or parts, the rest of the components or parts are arranged on the other circuit board in a welding mode, wherein three control boards are placed in an insulation box, the insulation material is poured, and therefore good dust-proof, water-proof, mildew-proof and vibration-proof protection functions can be achieved. The welding machine has the advantages of being low in cost, high in reliability and the like.

Description

technical field [0001] The invention relates to a three-phase power supply IGBT single-tube inverter manual arc welding machine, which belongs to the technical field of inverter welding machines. [0002] technical background [0003] At present, the competition in the inverter welding machine product market is very fierce, which is not only reflected in the competitive advantage of price, but also largely depends on the circuit function and reliability of the welding machine. [0004] In the domestic and foreign markets, the rated current of IGBT inverter manual arc welding machines is usually at the level of 100-630A (load duration 20-100%). However, this type of welding machine has different circuit designs, different control principles, and different complexity of circuit board connection, and its product reliability, production process and manufacturing process will be completely different. These will affect the sales and production costs of the products. For example, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/10
CPCB23K9/1043
Inventor 孙敏魏继昆朱宣东朱宣辉陈法庆
Owner 朱宣辉
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