CN214109308U

CN214109308U - Efficient, energy-saving and convenient ventilation and heat dissipation dustproof air duct of inverter electric welding machine

Info

Publication number: CN214109308U
Application number: CN202023061261.4U
Authority: CN
Inventors: 陈宇会; 李雄武
Original assignee: Shanghai Mealer Welding Equipment Co ltd
Current assignee: Shanghai Mealer Welding Equipment Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-03
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to an inverter electric welding machine heat dissipation technical field, specifically disclose a high-efficient energy-conserving convenient ventilation heat dissipation dustproof wind channel of inverter electric welding machine, including first fin, second fin, first curb plate, second curb plate, roof and drain pan, first curb plate, second curb plate set up relatively, and the two upper ends are connected with the roof, and the two lower extremes are connected with the drain pan, and first curb plate, second curb plate, roof, drain pan enclose into annular channel, and first fin, second fin are fixed to be set up in annular channel; the first radiating fin and the second radiating fin are both metal sheets, and the first radiating fin is arranged on the upper side of the second radiating fin; a fan is arranged on the outer side of the bottom shell, the fan and the annular channel are aligned with each other, and a main transformer is arranged at the middle position of the bottom shell; a single-tube IGBT is arranged on the top plate, and a rectification fast recovery diode is arranged on the bottom shell; the utility model discloses a fin of upper and lower structure, cooperation fan dispel the heat, and the radiating effect is good, energy-efficient.

Description

Efficient, energy-saving and convenient ventilation and heat dissipation dustproof air duct of inverter electric welding machine

Technical Field

The utility model relates to an invertion electric welding machine heat dissipation technical field specifically is a invertion electric welding machine energy-efficient convenient dustproof wind channel of ventilation cooling.

Background

The ventilation and heat dissipation of the inverter welding machine is mainly realized in an air cooling mode at present, and a cooling fan and a radiator are required to be used as components.

The single tube IGBT (the device that generates heat) welding machine radiator mounting structure of mainstream is mostly about structure on the market at present, single tube IGBT (the device that generates heat) contravariant part is on the radiator left side promptly, the fast recovery diode of rectification (the device that generates heat) output is on the radiator right, main transformer (the device that generates heat) is installed on the baffle, at the fan distal end, the power strip is installed on the drain pan, the power strip is dustproof not enough, this kind of structure radiator volume is on the large side, main transformer temperature is on the high side, make fan power on the large side, the whole life who reduces the machine.

Disclosure of Invention

An object of the utility model is to provide a contravariant electric welding machine high efficiency energy-conserving convenient ventilation cooling wind channel that prevents dust to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a ventilation and heat dissipation dustproof air duct with high efficiency, energy conservation and convenience for an inverter electric welding machine comprises a first cooling fin, a second cooling fin, a first side plate, a second side plate, a top plate and a bottom shell, wherein the first side plate and the second side plate are arranged oppositely, the upper ends of the first side plate and the second side plate are connected with the top plate, the lower ends of the first side plate and the second side plate are connected with the bottom shell, an annular channel is formed by the first side plate, the second side plate, the top plate and the bottom shell in a surrounding mode, and the first cooling fin and the second cooling fin are fixedly arranged in the annular channel; the first radiating fin and the second radiating fin are both metal sheets, and the first radiating fin is fixedly arranged on the upper side of the second radiating fin; a fan is arranged on the outer side of the bottom shell, the fan and the annular channel are aligned with each other, and a main transformer is arranged at the middle position of the bottom shell; the top plate is provided with a single-tube IGBT, and the bottom shell is provided with a rectification fast recovery diode.

Preferably, first curb plate, second curb plate, roof are the plastic slab, and first curb plate, second curb plate structure are the same, and the two symmetry sets up.

Preferably, a partition plate is arranged on the top plate, and the single-tube IGBT is arranged on the upper side of the partition plate; a power panel is arranged on the lower side of the top plate in an inverted manner.

Preferably, the second radiating fin is arranged close to the bottom shell, and the height of the second radiating fin is lower than that of the fan.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the radiating fins with upper and lower structures, the left, right and upper plastic boards are embedded with the fixed radiating fins and are close to the outlet of the fan; fixing the single-tube IGBT on the partition board on the upper side of the upper radiating fin and abutting against the outlet of the fan, wherein the metal part of the high-voltage device plays a good role in heat dissipation and dust prevention; the rectification fast recovery diode is fixed on the lower radiating fin and is close to the outlet of the fan, so that the radiating effect is very good; the main transformer is arranged on the bottom shell along the direction of the air duct, and a large amount of heat is blown to the outside of the machine through the fan; the power panel is arranged on the top plate in an inverted mode, dust accumulation is greatly reduced, the temperature of a power device is low due to the channel design, the size of the radiating fin can be reduced, the service life of the machine is prolonged, the air channel is smooth, and high efficiency and energy conservation are achieved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the installation of the second side plate of the present invention;

reference numbers in the figures: 1. a first heat sink; 2. a second heat sink; 3. a first side plate; 4. a second side plate; 5. a top plate; 6. a fan; 7. a single-tube IGBT; 8. a partition plate; 9. a rectifying fast recovery diode; 10. a bottom case; 11. a main transformer; 12. a power panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a ventilation and heat dissipation dustproof air duct with high efficiency, energy conservation and convenience for an inverter electric welding machine comprises a first cooling fin 1, a second cooling fin 2, a first side plate 3, a second side plate 4, a top plate 5 and a bottom shell 10, wherein the first side plate 3 and the second side plate 4 are oppositely arranged, the upper ends of the first side plate 3 and the second side plate 4 are connected with the top plate 5, the lower ends of the first side plate 3 and the second side plate 4 are connected with the bottom shell 10, an annular channel is formed by the first side plate 3, the second side plate 4, the top plate 5 and the bottom shell 10 in a surrounding mode, and the first cooling fin 1 and the second cooling fin 2 are fixedly arranged in the annular channel; the first radiating fin 1 and the second radiating fin 2 are both metal sheets, and the first radiating fin 1 is fixedly arranged on the upper side of the second radiating fin 2; a fan 6 is arranged on the outer side of the bottom shell 10, the fan 6 is aligned with the annular channel, and a main transformer 11 is arranged in the middle of the bottom shell 10; single-tube IGBT7 is provided on top plate 5, and rectifying fast recovery diode 9 is provided on bottom case 10.

Further, first curb plate 3, second curb plate 4, roof 5 are the plastic slab, and first curb plate 3, second curb plate 4 structure are the same, and the two symmetry sets up.

Further, a partition plate 8 is arranged on the top plate 5, and the single-tube IGBT7 is installed on the upper side of the partition plate 8; a power supply board 12 is mounted upside down on the lower side of the top plate 5.

Further, the second heat dissipation sheet 2 is arranged close to the bottom shell 10, and the height of the second heat dissipation sheet 2 is lower than that of the fan 6.

The working principle is as follows: first curb plate 3, second curb plate 4, roof 5 are the plastic slab, and first curb plate 3, second curb plate 4 set up relatively, and the two upper end is connected with roof 5, and the lower extreme is connected with drain pan 10, and four enclose into the loop configuration, and first fin 1, second fin 2 set up at the annular inboard, and first fin 1 is fixed to be set up at 2 upsides of second fin. The fan 6 is arranged outside the bottom shell 10 and is aligned with the annular channel; the fan works, blows air into the annular channel, and the air volume is concentrated, so that the air flow in the channel is accelerated, the heat dissipation on the first radiating fins 1 and the second radiating fins 2 is facilitated, and the radiating effect is obvious.

The IGBT is also called an insulated gate bipolar transistor, is a composite fully-controlled voltage-driven power semiconductor device composed of BJT (bipolar transistor) and MOS (insulated gate field effect transistor), and has the advantages of both high input impedance of MOSFET and low on-state voltage drop of GTR. The single tube IGBT7 is mounted on the top plate 5 through the partition plate 8 and close to the first heat sink 1; the first radiating fins 1 are close to the fan 6, so that the air quantity is large, heat dissipation is easy, and the service life of the device is prolonged; the top plate 5 and the partition plate 8 also play a role of protecting dust.

The rectification fast recovery diode 9 is arranged on the bottom shell 10, is close to the second radiating fin 2 and is close to the outlet of the fan, so that the air quantity is large, the heat dissipation is easy, and the service life of the device is prolonged. The second radiating fins 2 are attached to the bottom shell 10 and are lower than the fan 6 in height, and the second radiating fins 2 are shielded by upward folding of the rear side of the bottom shell 10 to play a role in dust protection. The main transformer 11 is arranged in the middle of the bottom shell 10, and is right opposite to the annular channel and the air opening; there is not the shelter between main transformer 11 and the fin, and the amount of wind of fan 6 is concentrated, easily distributes away the heat of main transformer 11, and the radiating effect is good, device long service life. The power panel 12 is arranged on the top plate 5 in an inverted mode, dust cannot be accumulated, the dust corrosion resistance and the insulating capacity of the power panel 12 are effectively improved, and the failure rate of the welding machine is obviously reduced.

First curb plate 3, second curb plate 4 structure are the same, and the symmetry sets up, and the two is made by mould an organic whole with roof 5, can process in batches, easily promotes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dustproof wind channel of ventilation heat dissipation that inverter electric welding machine is energy-efficient convenient which characterized in that: the heat dissipation structure comprises a first cooling fin (1), a second cooling fin (2), a first side plate (3), a second side plate (4), a top plate (5) and a bottom shell (10), wherein the first side plate (3) and the second side plate (4) are arranged oppositely, the upper ends of the first side plate and the second side plate are connected with the top plate (5), the lower ends of the first side plate and the second side plate are connected with the bottom shell (10), an annular channel is defined by the first side plate (3), the second side plate (4), the top plate (5) and the bottom shell (10), and the first cooling fin (1) and the second cooling fin (2) are; the first radiating fin (1) and the second radiating fin (2) are both metal sheets, and the first radiating fin (1) is fixedly arranged on the upper side of the second radiating fin (2); a fan (6) is arranged on the outer side of the bottom shell (10), the fan (6) is aligned with the annular channel, and a main transformer (11) is arranged in the middle of the bottom shell (10); a single-tube IGBT (7) is arranged on the top plate (5), and a rectification fast recovery diode (9) is arranged on the bottom shell (10).

2. The efficient, energy-saving and convenient ventilation and heat dissipation dustproof air duct of the inverter electric welding machine according to claim 1, characterized in that: the first side plate (3), the second side plate (4) and the top plate (5) are plastic plates, and the first side plate (3) and the second side plate (4) are identical in structure and are symmetrically arranged.

3. The efficient, energy-saving and convenient ventilation and heat dissipation dustproof air duct of the inverter electric welding machine according to claim 1, characterized in that: a partition plate (8) is arranged on the top plate (5), and the single-tube IGBT (7) is arranged on the upper side of the partition plate (8); a power supply board (12) is mounted on the lower side of the top plate (5) in an inverted manner.

4. The efficient, energy-saving and convenient ventilation and heat dissipation dustproof air duct of the inverter electric welding machine according to claim 1, characterized in that: the second radiating fins (2) are arranged close to the bottom shell (10), and the height of the second radiating fins (2) is lower than that of the fan (6).