CN212665155U - High-frequency arc welder - Google Patents
High-frequency arc welder Download PDFInfo
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- CN212665155U CN212665155U CN202020302822.6U CN202020302822U CN212665155U CN 212665155 U CN212665155 U CN 212665155U CN 202020302822 U CN202020302822 U CN 202020302822U CN 212665155 U CN212665155 U CN 212665155U
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Abstract
The utility model discloses a high frequency electric arc welding machine, include: the high-voltage rectifier comprises a machine shell, wherein a main board, a switch transformer, a rectifier bridge, an electrodeless capacitor, a secondary rectifier board, a main transformer, an arc striking board, an arc striking coil, a high-voltage protection board and an inductor are installed in the machine shell, an IGBT box is installed on the back of the secondary rectifier board, a radiator is installed on the IGBT box, an IGBT power tube is installed in the IGBT box, and dustproof glue is filled in the IGBT box. The utility model discloses a high-quality IGBT power tube, fixed with the radiator, pour into dustproof glue after the dress is good, both can prevent that the dust from getting into, reduce the trouble, can fix the IGBT single tube again, input current is through rectifier bridge rectifier filter, the IGBT contravariant, and the secondary rectification obtains stable welding current.
Description
Technical Field
The utility model relates to a welding machine especially relates to a high frequency electric arc welding machine.
Background
The electric welder utilizes the high-temperature electric arc generated by the instantaneous short circuit of the positive and negative poles to melt the welding flux and the welded material on the welding electrode, so as to achieve the purpose of combining the welding flux and the welded material.
The electric welding machine (electric welding machine) is actually a transformer with external characteristics of descending, 220V and 380V alternating currents are converted into low-voltage direct currents, and the electric welding machine can be generally divided into two types according to the types of output power supplies, wherein one type of output power supply is an alternating current power supply; one is direct current.
Welding machine IGBT single tube radiating effect among the prior art is general, and lacks good dustproof.
Therefore, the utility model aims to provide a good heat dissipation and dirt-proof welding machine.
SUMMERY OF THE UTILITY MODEL
The above object of the present invention is achieved by the following technical solutions:
a high frequency electric arc welder comprising: the high-voltage rectifier comprises a machine shell, wherein a main board, a switch transformer, a rectifier bridge, an electrodeless capacitor, a secondary rectifier board, a main transformer, an arc striking board, an arc striking coil, a high-voltage protection board and an inductor are installed in the machine shell, an IGBT box is installed on the back of the secondary rectifier board, a radiator is installed on the IGBT box, an IGBT power tube is installed in the IGBT box, and dustproof glue is filled in the IGBT box.
The high-frequency electric arc welder as described above, wherein the cabinet comprises: a base plate; a middle layer plate is installed in the machine shell, and the IGBT box is installed between the middle layer plate and the bottom plate.
The high-frequency electric arc welder as described above, wherein the cabinet comprises: the rear cover is provided with a through hole, and a fan is installed in the through hole.
The high-frequency electric arc welder as described above, wherein, the middle layer plate and the bottom plate are also provided with a vertical plate, and the surface of one side of the vertical plate is provided with: the arc striking coil, the high-voltage protection plate and the inductor are arranged on the shell; and a main transformer and an arc striking plate are arranged on the other side of the vertical plate.
The high-frequency electric arc welder as described above, wherein the cabinet comprises: the back plate, install air switch on the back plate.
To sum up, owing to adopted above-mentioned technical scheme, the utility model discloses a high-quality IGBT power tube is fixed with the radiator, pours into the dustproof glue after having adorned, both can prevent that the dust from getting into, reduces the trouble, can fix the IGBT single tube again, and input current is through rectifier bridge rectifier filter, the IGBT contravariant, and the secondary rectification obtains stable welding current.
Drawings
FIG. 1 is a left side view of the high frequency electric arc welder according to the present invention;
FIG. 2 is a right-side schematic view of the high-frequency arc welder according to the present invention.
Detailed Description
The invention will be further described with reference to the following figures and examples:
fig. 1 is a left side view schematic diagram of the structure of the high-frequency electric arc welder of the present invention, fig. 2 is a right side view schematic diagram of the structure of the high-frequency electric arc welder of the present invention, please refer to fig. 1, fig. 2, a high-frequency electric arc welder, including: the high-voltage rectifier comprises a machine shell, wherein a main board 5, a switch transformer 4, a rectifier bridge 3, a non-polar capacitor 2, a secondary rectifier board 6, a main transformer 7, an arc striking board 8, an arc striking coil 9, a high-voltage protection board 10 and an inductor 12 are installed in the machine shell, an IGBT box 11 is installed on the back surface of the secondary rectifier board, a radiator is installed on the IGBT box 11, an IGBT power tube is installed in the IGBT box 11, and dustproof glue is filled in the IGBT box 11. The utility model discloses install current IGBT power tube in IGBT box 11, adopt current connection relation to connect the back, fill dustproof glue, the cooperation radiator realizes dustproof and radiating dual effect. The IGBT case 11 is made of a material having good thermal conductivity.
Further, the housing includes: a base plate; a middle-layer plate is arranged in the machine shell, and an IGBT box 11 is arranged between the middle-layer plate and the bottom plate.
Further, the housing includes: and the rear cover is provided with a through hole, and the fan 13 is arranged in the through hole.
Further, still install the riser between middle floor and the bottom plate, one side face of riser is installed: an arc striking coil, a high-voltage protection plate and an inductor; the other side face of the vertical plate is provided with a main transformer and an arc striking plate.
Further, the housing includes: a rear plate on which an air switch 1 is mounted.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised in accordance with the principles of the present invention by those skilled in the art without the use of inventive faculty, or through software programming. Therefore, the technical solutions that can be obtained by a person skilled in the art or a general model fan based on the concepts of the present invention through logical analysis, reasoning or limited experiments based on the prior art are all within the scope of protection defined by the claims.
Claims (5)
1. A high frequency electric arc welder comprising: the high-voltage direct current motor comprises a machine shell, wherein a main board, a switch transformer, a rectifier bridge, an electrodeless capacitor, a secondary rectifier board, a main transformer, an arc striking board, an arc striking coil, a high-voltage protective board and an inductor are arranged in the machine shell.
2. The high frequency electric arc welder according to claim 1, characterized in that said casing comprises: a base plate; a middle layer plate is installed in the machine shell, and the IGBT box is installed between the middle layer plate and the bottom plate.
3. The high frequency electric arc welder according to claim 1, characterized in that said casing comprises: the rear cover is provided with a through hole, and a fan is installed in the through hole.
4. The high frequency electric arc welder according to claim 2, wherein a riser is further installed between the middle plate and the bottom plate, and a side plate of the riser is installed with: the arc striking coil, the high-voltage protection plate and the inductor are arranged on the shell; and a main transformer and an arc striking plate are arranged on the other side of the vertical plate.
5. The high frequency electric arc welder according to claim 1, characterized in that said casing comprises: the back plate, install air switch on the back plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020302822.6U CN212665155U (en) | 2020-03-12 | 2020-03-12 | High-frequency arc welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020302822.6U CN212665155U (en) | 2020-03-12 | 2020-03-12 | High-frequency arc welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212665155U true CN212665155U (en) | 2021-03-09 |
Family
ID=74811679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020302822.6U Active CN212665155U (en) | 2020-03-12 | 2020-03-12 | High-frequency arc welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212665155U (en) |
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2020
- 2020-03-12 CN CN202020302822.6U patent/CN212665155U/en active Active
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