CN214212708U

CN214212708U - Portable industrial welding machine and full-voltage intelligent welding machine

Info

Publication number: CN214212708U
Application number: CN202023205000.5U
Authority: CN
Inventors: 吴瑞鑫; 邵荣军
Original assignee: Hefei Henidas Technology Co ltd
Current assignee: Hefei Henidas Technology Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-17
Anticipated expiration: 2030-12-25

Abstract

The application relates to a portable industrial welding machine and a full-voltage intelligent welding machine, wherein the industrial welding machine comprises a case, a horizontal partition plate is fixedly arranged in the case, an inner cavity of the case is divided into an upper half cavity and a lower half cavity by the horizontal partition plate, and the upper half cavity of the case is provided with a three-phase electric detection plate, a three-phase rectifier square bridge, a driving plate, a switching power supply plate and a capacitor mounting plate; and the lower half cavity of the case is provided with a secondary rectification module, a high-frequency transformer, a three-phase transformer, an IGBT (insulated gate bipolar translator) module, a cooling fan and a plurality of capacitors, and the plurality of capacitors penetrate through the horizontal partition plate and are arranged on the capacitor mounting plate. This application has the inside electronic components of rational arrangement electric welding, effectively improves the electric welding radiating effect more, the better effect of long-time work back stability.

Description

Portable industrial welding machine and full-voltage intelligent welding machine

Technical Field

The application relates to the field of industrial welding equipment, in particular to a portable industrial welding machine and a full-voltage intelligent welding machine.

Background

Electric welding machines can be generally divided into two types according to the types of output power supplies: an alternating current power supply and a direct current power supply. Both methods use the principle of inductance, the inductance will generate huge voltage change when it is switched on and off, and the high-voltage arc generated by the instant short circuit of the positive and negative poles is used to melt the solder on the welding electrode, so that they can achieve the purpose of atomic bonding.

The portable electric welding machine is a kind that comparatively common in the electric welding machine, compares in large-scale electric welding machine equipment, has advantages such as can carry in a flexible way, use place unrestricted, owing to need often carry, requires highlyer to the holistic stability of electric welding machine.

Aiming at the related technologies, the inventor thinks that the electronic components inside the electric welding machine are unreasonable in layout, so that the internal heat dissipation effect is poor, the environmental adaptability is weak, and the overall stability is poor after long-time work.

SUMMERY OF THE UTILITY MODEL

For the inside electronic components of rational arrangement electric welding, effectively improve the electric welding radiating effect more, this application provides a portable industrial welding machine and full voltage intelligent welding machine.

In a first aspect, the present application provides a portable industrial welding machine, which adopts the following technical scheme:

a portable industrial welding machine comprises a case, wherein a horizontal partition plate is fixedly arranged in the case, an inner cavity of the case is divided into an upper half cavity and a lower half cavity by the horizontal partition plate, and a three-phase electric detection board, a three-phase rectifier square bridge, a driving board, a switching power supply board and a capacitor mounting board are arranged in the upper half cavity of the case; the lower half cavity of the case is provided with a secondary rectification module, a high-frequency transformer, a three-phase mutual inductor, an IGBT module, a cooling fan and a plurality of capacitors, and the plurality of capacitors penetrate through the horizontal partition plate and are arranged on the capacitor mounting plate; the case comprises a front panel, a rear panel, a bottom plate, a left side plate, a right side plate and a top plate.

Through adopting above-mentioned technical scheme, the inner chamber of the quick-witted case of welding machine divide into first cavity through horizontal baffle, second cavity, install the three-phase electric pick-up plate in the first cavity, three-phase rectification square bridge, a drive plate, switching power supply board and electric capacity mounting panel, second rectifier module is installed in second cavity, high frequency transformer, three-phase mutual-inductor, the IGBT module, cooling blower and several condenser, cooling blower can produce a large amount of thermal second rectifier module in the course of the work, high frequency transformer, three-phase mutual-inductor and several condenser effectively dispel the heat, because first cavity and second cavity are kept apart each other, thereby make the electronic components in two semi intracavity portions each other not influence, more effectively improve the inside radiating effect of electric welding, the overall stability of long-time work back welding machine is better.

Preferably, the upper area of the front panel is provided with a digital display screen and a current adjusting knob, the middle area of the front panel is provided with a grid air port, and the lower area of the front panel is provided with an output anode and an output cathode; the upper area of the front panel is arranged in a backward inclining mode, and the middle area and the lower area of the front panel are arranged in a forward inclining mode; the inner side wall of the upper part of the front panel is provided with a control panel, and the digital display screen and the current adjusting knob are respectively connected with the control panel; the three-phase mutual inductor is close to the high-frequency transformer and is right opposite to the grille air opening.

Through adopting above-mentioned technical scheme, the middle part region of the front panel of quick-witted case is equipped with the grid wind gap, and cooling blower discharges the hot-air in the lower half intracavity outside the quick-witted case from the grid wind gap to realize effective radiating effect. The digital display screen and the current adjusting knob in the upper area of the front panel are used for real-time observation and operation of an operator, and meanwhile, the size of the space of the lower half cavity of the case is increased, so that the heat dissipation inside the case is facilitated. The control panel of the inner side wall of the upper portion of the front panel is more convenient to connect with the digital display screen and the current adjusting knob, and the three-phase transformer and the high-frequency transformer are right opposite to the grid air opening, so that the heat dissipation effect inside the case is improved.

Preferably, the upper area of the rear panel is provided with a three-phase junction box and a three-phase seesaw switch, the lower area of the rear panel is provided with an air inlet, and the air inlet is opposite to the cooling fan.

By adopting the technical scheme, the cooling fan is opposite to the air inlet, so that the air inlet is smoother, and the heat dissipation effect inside the case is improved.

Preferably, the secondary rectification module and the IGBT module are arranged close to each other and are right opposite to an air outlet of the cooling fan, and the secondary rectification module is electrically connected with the output anode through an aluminum connecting piece.

Through adopting above-mentioned technical scheme, the secondary rectifier module that the during operation produced a large amount of heats is just to cooling blower's air outlet with the IGBT module to the stability of welding machine has effectively been improved.

Preferably, the three-phase power detection board, the driving board and the switching power supply board are arranged in parallel and are fixedly arranged above the horizontal partition board through a bracket.

Through adopting above-mentioned technical scheme, three-phase electricity pick-up plate, drive plate, switching power supply board have avoided its and horizontal baffle direct contact on being fixed in horizontal baffle through the support to direct heat-conduction has been reduced.

Preferably, the capacitor mounting plate is fixed on the horizontal partition plate, and a notch used for penetrating through the capacitor is formed in the horizontal partition plate below the capacitor mounting plate.

By adopting the technical scheme, the plurality of capacitors generate a large amount of heat during working, the capacitors are arranged in the lower half cavity to facilitate heat dissipation, and the capacitor mounting plates are directly fixed on the horizontal partition plates, so that the mounting space is saved.

In a second aspect, the present application provides a full-voltage intelligent welding machine, which adopts the following technical scheme:

a full-voltage intelligent welding machine comprises a case, wherein a horizontal partition plate is fixedly arranged in the case, an inner cavity of the case is divided into an upper half cavity and a lower half cavity by the horizontal partition plate, and a three-phase electric detection plate, a three-phase rectifier square bridge, a driving plate, a filter capacitor, a control plate and a capacitor mounting plate are arranged in the upper half cavity of the case; and the lower half cavity of the case is provided with a secondary rectification module, a high-frequency transformer, a three-phase mutual inductor, an IGBT (insulated gate bipolar transistor) module, a cooling fan, a reactor and a plurality of capacitors, and the plurality of capacitors penetrate through the horizontal partition plate and are arranged on the capacitor mounting plate.

Through adopting above-mentioned technical scheme, the inner chamber of the quick-witted case of welding machine is divided into first cavity through horizontal baffle, second cavity, install the three-phase electric pick-up plate in the first cavity, three-phase rectification square bridge, the drive plate, filter capacitor, control panel and electric capacity mounting panel, second rectifier module is installed in second cavity, high frequency transformer, three-phase mutual-inductor, the IGBT module, cooling blower, reactor and several condenser, cooling blower can produce the second rectifier module of a large amount of heats in the course of the work, high frequency transformer, three-phase mutual-inductor, filter capacitor and several condenser effectively dispel the heat, because first cavity and second cavity keep apart each other, thereby make the electronic components of two semi intracavity portions each other not influence, more effectively improve the inside radiating effect of electric welding, the overall stability of long-time work back welding machine is better.

Preferably, the case comprises a front panel, a rear panel, a bottom plate, a left side plate, a right side plate and a top plate, wherein a digital display screen and a current adjusting knob are arranged in the upper area of the front panel, a grid air port is arranged in the middle area of the front panel, and an output anode and an output cathode are arranged in the lower area of the front panel; the upper area of the front panel is arranged in a backward inclining mode, and the three-phase electric detection board is vertically arranged and close to the inner side wall of the upper portion of the front panel.

Through adopting above-mentioned technical scheme, the middle part region of the front panel of quick-witted case is equipped with the grid wind gap, and cooling blower discharges the hot-air in the lower half intracavity outside the quick-witted case from the grid wind gap to realize effective radiating effect. The digital display screen and the current adjusting knob in the upper area of the front panel are used for real-time observation and operation of an operator, and meanwhile, the size of the space of the lower half cavity of the case is increased, so that the heat dissipation inside the case is facilitated.

Preferably, the upper area of the rear panel is provided with a three-phase junction box and a three-phase air switch, the lower area of the rear panel is provided with an air inlet, and the air inlet is opposite to the cooling fan; the secondary rectification module is close to the IGBT module and is right opposite to an air outlet of the cooling fan; the high-frequency transformer, the three-phase mutual inductor and the reactor are arranged close to each other and are right opposite to the grid air opening.

By adopting the technical scheme, the secondary rectifier module, the IGBT module high-frequency transformer, the three-phase mutual inductor and the reactor which generate a large amount of heat during working are all positioned between the air inlet and the grid air port, so that the heat dissipation efficiency of the electronic components is greatly improved, and the stability of the welding machine is effectively improved.

Preferably, the drive board, the control board and the capacitor mounting board are arranged on the horizontal partition board in parallel through a support, the mounting surface of the capacitor mounting board faces downwards, and a notch used for penetrating through the capacitor is formed in the horizontal partition board.

Through adopting above-mentioned technical scheme, drive plate, control panel and electric capacity mounting panel have avoided its and horizontal baffle direct contact on being fixed in horizontal baffle through the support to direct heat-conduction has been reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

the inner cavity of the case of the portable industrial welding machine is divided into an upper half cavity and a lower half cavity through a horizontal partition plate, a three-phase electric detection plate, a three-phase rectification square bridge, a driving plate, a switching power supply plate and a capacitance mounting plate are arranged in the upper half cavity, a secondary rectification module, a high-frequency transformer, a three-phase mutual inductor, an IGBT module, a cooling fan and a plurality of capacitors are arranged in the lower half cavity, the cooling fan can effectively dissipate heat of the secondary rectification module, the high-frequency transformer, the three-phase mutual inductor and the plurality of capacitors which generate a large amount of heat in the working process, the upper half cavity and the lower half cavity are isolated from each other, so that electronic components in the two half cavities are not influenced with each other, the internal heat dissipation effect of the electric welding machine is effectively improved, and the overall stability of the welding machine is good after long-time working;

the utility model provides a quick-witted case of full voltage intelligent welding machine divide into first chamber and second chamber, three-phase electric pick-up plate is installed in first chamber, three-phase rectification square bridge, a drive plate, filter capacitor, control panel and capacitance mounting panel, second rectifier module is installed in second chamber, high frequency transformer, three-phase mutual inductor, the IGBT module, cooling blower, reactor and several condenser, cooling blower can produce a large amount of thermal secondary rectifier module in the working process, high frequency transformer, three-phase mutual inductor, filter capacitor and several condenser effectively dispel the heat, because first chamber is kept apart each other with second chamber, thereby make the electronic components of two semi intracavity portions each other not influence, more effectively improve the inside radiating effect of electric welding, the overall stability of long-time work back welding machine is better.

The three-phase electric pickup plate, the drive plate and the switching power supply plate are fixed on the horizontal partition plate through the support, so that direct contact between the three-phase electric pickup plate and the horizontal partition plate is avoided, and direct heat conduction is reduced. Because the plurality of capacitors generate a large amount of heat during working, the capacitors are arranged in the lower half cavity to facilitate heat dissipation, and the capacitor mounting plate is directly fixed on the horizontal partition plate to save the mounting space. The control panel of the inner side wall of the upper portion of the front panel is more convenient to connect with the digital display screen and the current adjusting knob, and the three-phase transformer and the high-frequency transformer are right opposite to the grid air opening, so that the heat dissipation effect inside the case is improved. The secondary rectifier module and the IGBT module which generate a large amount of heat during working are just opposite to the air outlet of the cooling fan, so that the stability of the welding machine is effectively improved.

Drawings

FIG. 1 is a schematic structural diagram of a portable industrial welding machine according to a first embodiment of the present application.

FIG. 2 is a perspective view of the internal structure of a portable industrial welding machine according to a first embodiment of the present application.

FIG. 3 is a schematic structural diagram of a full-voltage intelligent welding machine according to the second embodiment of the present application.

FIG. 4 is a schematic diagram of the internal structure of a full-voltage intelligent welding machine according to the second embodiment of the present application.

Description of reference numerals: 1. a chassis; 2. a horizontal partition plate; 3. an upper cavity; 4. a lower cavity; 5. a three-phase power detection board; 6. a three-phase rectifying square bridge; 7. a drive plate; 8. a switching power panel; 9. a capacitor mounting plate; 10. a secondary rectification module; 11. a high-frequency transformer; 12. a three-phase transformer; 13. an IGBT module; 14. a cooling fan; 15. a capacitor; 16. a front panel; 17. a rear panel; 18. a base plate; 19. a digital display screen; 20. a current adjusting knob; 21. a grid tuyere; 22. outputting a positive electrode; 23. outputting a negative electrode; 24. a three-phase junction box; 25. a three-phase seesaw switch; 26. an air inlet; 27. an aluminum connector; 28. a control panel; 29. a support; 30. a filter capacitor; 31. a reactor; 32. three-phase air switch.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The first embodiment is as follows:

the embodiment of the application discloses a portable industrial welding machine. Referring to fig. 1, the portable industrial welding machine comprises a case 1, wherein a horizontal partition plate 2 is fixedly arranged in the case 1, an inner cavity of the case 1 is divided into an upper half cavity 3 and a lower half cavity 4 by the horizontal partition plate 2, and the upper half cavity 3 of the case 1 is provided with a three-phase electric detection board 5, a three-phase rectification square bridge 6, a driving board 7, a switching power board 8 and a capacitance installation board 9; a secondary rectification module 10, a high-frequency transformer 11, a three-phase transformer 12, an IGBT module 13, a cooling fan 14 and a plurality of capacitors 15 are arranged in a lower half cavity 4 of the case 1, and the plurality of capacitors 15 penetrate through the horizontal partition plate 2 and are arranged on the capacitor mounting plate 9; the cabinet 1 includes a front panel 16, a rear panel 17, a bottom panel 18, a left side panel, a right side panel, and a top panel.

Referring to fig. 2, an upper region of the front panel 16 is disposed to be inclined rearward, and a middle and lower region of the front panel 16 is disposed to be inclined forward. The upper region of the front panel 16 is provided with a digital display screen 19 and a current adjusting knob 20, the middle region of the front panel 16 is provided with a grid air opening 21, and the lower region of the front panel 16 is provided with an output anode 22 and an output cathode 23. The inner side wall of the upper part of the front panel 16 is provided with a control panel 28, and the digital display screen 19 and the current adjusting knob 20 are respectively connected with the control panel 28; the three-phase transformer 12 is arranged close to the high-frequency transformer 11 and is right opposite to the grille air opening 21. The upper area of the rear panel 17 is provided with a three-phase junction box 24 and a three-phase seesaw switch 25, the lower area of the rear panel 17 is provided with an air inlet 26, and the air inlet 26 is opposite to the cooling fan 14.

The secondary rectification module 10 and the IGBT module 13 are disposed close to each other and directly face an air outlet of the cooling fan 14, and the secondary rectification module 10 and the output positive electrode 22 are electrically connected to each other through an aluminum connector 27. The three-phase electric detection board 5, the driving board 7 and the switching power supply board 8 are arranged in parallel and are fixedly arranged above the horizontal partition board 2 through a bracket 29. The capacitor mounting plate 9 is fixed on the horizontal partition plate 2, and a notch for penetrating the capacitor 15 is formed in the horizontal partition plate 2 below the capacitor 15 mounting plate.

The implementation principle of the portable industrial welding machine in the first embodiment of the application is as follows: the inner chamber of the machine case 1 of the industrial welding machine is divided into an upper half chamber 3 and a lower half chamber 4 through a horizontal partition plate 2, a three-phase electric detection plate 5 is installed in the upper half chamber 3, a three-phase rectification square bridge 6, a driving plate 7, a switching power supply plate 8 and a capacitance installation plate 9, a secondary rectification module 10 is installed in the lower half chamber 4, a high-frequency transformer 11, a three-phase mutual inductor 12, an IGBT module 13, a cooling fan 14 and a plurality of capacitors 15, the cooling fan 14 can generate the secondary rectification module 10 with a large amount of heat in the working process, the high-frequency transformer 11, the three-phase mutual inductor 12 and the plurality of capacitors 15 effectively dissipate heat, the upper half chamber 3 and the lower half chamber 4 are isolated from each other, so that electronic components in the two half chambers do not influence each other, and the internal heat dissipation effect of the electric welding machine is effectively improved.

Example two:

the second embodiment of the application also discloses a full-voltage intelligent welding machine. Referring to fig. 3, the full-voltage intelligent welding machine comprises a case 1, wherein a horizontal partition plate 2 is fixedly arranged in the case 1, an inner cavity of the case 1 is divided into an upper half cavity 3 and a lower half cavity 4 by the horizontal partition plate 2, and the upper half cavity 3 of the case 1 is provided with a three-phase electric detection board 5, a three-phase rectification square bridge 6, a drive board 7, a filter capacitor 30, a control board 28 and a capacitor mounting board 9; the lower half cavity 4 of the case 1 is provided with a secondary rectification module 10, a high-frequency transformer 11, a three-phase transformer 12, an IGBT module 13, a cooling fan 14, a reactor 31 and a plurality of capacitors 15, and the plurality of capacitors 15 penetrate through the horizontal partition plate 2 and are arranged on the capacitor mounting plate 9. The drive plate 7, the control board 28 and the capacitor mounting plate 9 are arranged on the horizontal partition plate 2 in parallel through a bracket 29, the mounting surface of the capacitor mounting plate 9 faces downwards, and a notch for penetrating through the capacitor 15 is formed in the horizontal partition plate 2.

Referring to fig. 4, the chassis 1 includes a front panel 16, a rear panel 17, a bottom plate 18, a left side panel, a right side panel and a top plate, wherein a digital display screen 19 and a current adjusting knob 20 are disposed in an upper region of the front panel 16, a grille air opening 21 is disposed in a middle region of the front panel 16, and an output anode 22 and an output cathode 23 are disposed in a lower region of the front panel 16; the upper region of the front panel 16 is inclined rearward, and the three-phase electric power detection board 5 is vertically provided close to the inner side wall of the upper portion of the front panel 16.

The upper area of the rear panel 17 is provided with a three-phase junction box 24 and a three-phase air switch 32, the lower area of the rear panel 17 is provided with an air inlet 26, and the air inlet 26 is opposite to the cooling fan 14; the secondary rectification module 10 is arranged close to the IGBT module 13 and is opposite to an air outlet of the cooling fan 14; the high-frequency transformer 11 and the three-phase transformer 12 are arranged close to the reactor 31 and are right opposite to the grid air opening 21.

The implementation principle of the full-voltage intelligent welding machine in the second embodiment of the application is as follows: the machine case of full voltage intelligence welding machine divide into first cavity and second cavity, first cavity is installed the three-phase electric pick-up plate, three-phase rectifier square bridge, the drive plate, filter capacitor, control panel and electric capacity mounting panel, second rectifier module is installed to second cavity, high frequency transformer, three-phase mutual-inductor, the IGBT module, cooling blower, reactor and several condenser, cooling blower can produce a large amount of thermal second rectifier module in the course of the work, high frequency transformer, three-phase mutual-inductor, filter capacitor and several condenser effectively dispel the heat, because first cavity and second cavity keep apart each other, thereby make the electronic components of two semi intracavity portions each other not influence.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a portable industry welding machine, includes quick-witted case (1), quick-witted case (1) internal fixation is provided with horizontal partition plate (2), and the inner chamber of quick-witted case (1) is divided into first half chamber (3), second half chamber (4) by horizontal partition plate (2), its characterized in that: the upper half cavity (3) of the case (1) is provided with a three-phase electric detection board (5), a three-phase rectification square bridge (6), a drive board (7), a switching power board (8) and a capacitor mounting board (9); a secondary rectification module (10), a high-frequency transformer (11), a three-phase transformer (12), an IGBT (insulated gate bipolar transistor) module (13), a cooling fan (14) and a plurality of capacitors (15) are installed on the lower half cavity (4) of the case (1), and the plurality of capacitors (15) penetrate through the horizontal partition plate (2) and are installed on the capacitor installation plate (9); the case (1) comprises a front panel (16), a rear panel (17), a bottom plate (18), a left side plate, a right side plate and a top plate.

2. The portable industrial welding machine of claim 1, wherein: a digital display screen (19) and a current adjusting knob (20) are arranged in the upper area of the front panel (16), a grid air opening (21) is arranged in the middle area of the front panel (16), and an output anode (22) and an output cathode (23) are arranged in the lower area of the front panel (16); the upper area of the front panel (16) is arranged in a backward inclining way, and the middle area and the lower area of the front panel (16) are arranged in a forward inclining way; a control panel (28) is arranged on the inner side wall of the upper part of the front panel (16), and the digital display screen (19) and the current adjusting knob (20) are respectively connected with the control panel (28); the three-phase transformer (12) and the high-frequency transformer (11) are arranged close to each other and are right opposite to the grid air opening (21).

3. The portable industrial welding machine of claim 1, wherein: the upper area of the rear panel (17) is provided with a three-phase junction box (24) and a three-phase seesaw switch (25), the lower area of the rear panel (17) is provided with an air inlet (26), and the air inlet (26) is right opposite to the cooling fan (14).

4. The portable industrial welding machine of claim 1, wherein: the secondary rectification module (10) and the IGBT module (13) are arranged close to each other and are right opposite to an air outlet of the cooling fan (14), and the secondary rectification module (10) is electrically connected with the output anode (22) through an aluminum connecting piece (27).

5. The portable industrial welding machine of claim 4, wherein: the three-phase power detection board (5), the drive board (7) and the switching power supply board (8) are arranged in parallel and are fixedly arranged above the horizontal partition board (2) through a support (29).

6. The portable industrial welding machine of claim 5, wherein: the capacitor mounting plate (9) is fixed on the horizontal partition plate (2), and a notch used for penetrating through the capacitor (15) is formed in the horizontal partition plate (2) below the capacitor (15) mounting plate.

7. The utility model provides a full voltage intelligent welding machine, includes quick-witted case (1), and quick-witted case (1) internal fixation is provided with horizontal separators (2), and the inner chamber of quick-witted case (1) is divided into first half chamber (3), lower half chamber (4) by horizontal separators (2), its characterized in that: the upper half cavity (3) of the case (1) is provided with a three-phase electric detection board (5), a three-phase rectification square bridge (6), a driving board (7), a filter capacitor (30), a control board (28) and a capacitor mounting board (9); a secondary rectification module (10), a high-frequency transformer (11), a three-phase transformer (12), an IGBT module (13), a cooling fan (14), a reactor (31) and a plurality of capacitors (15) are installed in a lower half cavity (4) of the case (1), and the plurality of capacitors (15) penetrate through the horizontal partition plate (2) and are installed on the capacitor installation plate (9).

8. A full voltage intelligent welding machine according to claim 7, characterized in that: the cabinet (1) comprises a front panel (16), a rear panel (17), a bottom plate (18), a left side plate, a right side plate and a top plate, wherein a digital display screen (19) and a current adjusting knob (20) are arranged in the upper area of the front panel (16), a grid air port (21) is arranged in the middle area of the front panel (16), and an output anode (22) and an output cathode (23) are arranged in the lower area of the front panel (16); the upper area of the front panel (16) is arranged in a backward inclining mode, and the three-phase electric detection plate (5) is vertically arranged and close to the inner side wall of the upper portion of the front panel (16).

9. An all-voltage intelligent welding machine according to claim 8, characterized in that: a three-phase junction box (24) and a three-phase air switch (32) are arranged in the upper area of the rear panel (17), an air inlet (26) is arranged in the lower area of the rear panel (17), and the air inlet (26) is right opposite to the cooling fan (14); the secondary rectification module (10) and the IGBT module (13) are arranged close to each other and are opposite to an air outlet of the cooling fan (14); the high-frequency transformer (11) and the three-phase transformer (12) are arranged close to the reactor (31) and are right opposite to the grid air opening (21).

10. A full voltage intelligent welding machine according to claim 7, characterized in that: the driving plate (7), the control board (28) and the capacitor mounting plate (9) are arranged on the horizontal partition plate (2) in parallel through a support (29), the mounting surface of the capacitor mounting plate (9) faces downwards, and a notch used for penetrating through the capacitor (15) is formed in the horizontal partition plate (2).