CN214815573U

CN214815573U - Contravariant welding machine with circulation water-cooling heat radiation structure

Info

Publication number: CN214815573U
Application number: CN202120409999.0U
Authority: CN
Inventors: 董昭刚; 张宗耀; 李新永; 苗福波; 郇鑫鑫
Original assignee: Rongcheng Yifeng Machinery Manufacturing Co ltd
Current assignee: Rongcheng Yifeng Machinery Manufacturing Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-11-23
Anticipated expiration: 2031-02-24

Abstract

The utility model discloses an contravariant welding machine with circulation water-cooling heat radiation structure, concretely relates to contravariant welding machine field, including box, circuit board and power component quantity all set up to two, the inside fixed two casings that are equipped with of box, two circuit boards are established respectively in the casing, and two power components are fixed respectively and are established on the circuit board, power component establishes in the casing, the slot has all been seted up to the box both sides, the slot is linked together with the casing is inside, be equipped with the heat-conducting plate in the slot. The utility model discloses a heat-conducting plate that sets up in the activity of box both sides, heat-conducting plate activity joint are in the slot of box, and in the heat-conducting plate was carried with the cooling water in the storage water tank to the water pump, heat-conducting plate and fan cooperation, dispel the heat fast to circuit board and power component in the casing, compare with prior art, simple structure, the radiating effect is better to the convenience is dismantled the heat-conducting plate and is got off to inspect and change.

Description

Contravariant welding machine with circulation water-cooling heat radiation structure

Technical Field

The utility model relates to an contravariant welding machine field, concretely relates to contravariant welding machine with circulating water cooling heat radiation structure.

Background

The inversion and the rectification are two opposite concepts, the rectification is a process of converting alternating current into direct current, the inversion is a process of converting direct current into alternating current, an arc welding power supply adopting the inversion technology is called an inverter type welding machine, the power of an electronic element is large, the requirement on heat dissipation is high, the electronic element is mounted on an aluminum heat dissipation block by the conventional inverter type welding machine, a fan is mounted at the tail of a machine shell to blow air into the machine shell, but the hot air on the aluminum heat dissipation block can heat other power elements on a circuit board, so that the power elements are easy to damage, the heat dissipation effect of the conventional inverter type welding machine is not ideal enough, in addition, dust or debris can enter the machine shell along with the air blown by the fan and fall on the circuit board, and if the debris can conduct electricity, the potential safety hazard of short circuit can exist on the circuit board.

Chinese patent publication No. CN206326244U discloses an inverter type welding machine, which comprises a casing and a fan, wherein inner walls of two sides of the casing are fixedly connected with a first tightly-attached metal plate and a second tightly-attached metal plate, the first tightly-attached circuit board is fixedly connected to the first metal plate, the second tightly-attached circuit board is fixedly connected to the second metal plate, a plurality of power elements are fixedly connected to the first circuit board and the second circuit board, the first metal plate is fixedly connected to a first heat dissipation casing covering the first circuit board and the first circuit board, heat-conducting glue covering the first circuit board and the power elements is filled between the first metal plate and the first heat dissipation casing, the second metal plate is fixedly connected to a second heat dissipation casing covering the second circuit board and the power elements, heat-conducting glue covering the second circuit board and the second circuit board is filled between the second metal plate and the second heat dissipation casing, and heat dissipation fins are arranged on peripheries of the first heat dissipation casing and the second heat dissipation casing.

The prior art has the following defects: utilize fan and heat dissipation shell to dispel the heat, the radiating effect to the circuit board is lower.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an contravariant welding machine with circulation water-cooling heat radiation structure, through the heat-conducting plate that sets up in the activity of box both sides, heat-conducting plate activity joint is in the slot of box, and in the heat-conducting plate was carried to the cooling water of water pump in with the storage water tank, heat-conducting plate and fan cooperation dispelled the heat fast to circuit board and power component in the casing, compare with prior art, simple structure, the radiating effect is better to the convenience is dismantled the heat-conducting plate and is got off to inspect and change.

In order to achieve the above object, the present invention provides the following technical solutions: an inverter welding machine with a circulating water cooling heat dissipation structure comprises a box body, circuit boards and power elements, wherein the number of the circuit boards and the number of the power elements are respectively two, two shells are fixedly arranged in the box body, the two circuit boards are respectively arranged in the shells, the two power elements are respectively fixedly arranged on the circuit boards, the power elements are arranged in the shells, slots are respectively arranged at two sides of the box body, the slots are communicated with the interiors of the shells, heat conduction plates are arranged in the slots, water cavities are arranged in the heat conduction plates, a water storage tank is fixedly arranged at the bottom of the rear side of an inner cavity of the box body, a water pump is fixedly communicated with the top of the water storage tank, a three-way pipe is fixedly arranged at a water outlet of the water pump, a water inlet pipe and a water outlet pipe are fixedly arranged at the outer sides of the two heat conduction plates, the water inlet pipe is arranged at the top of the water outlet pipe, one end of each water inlet pipe penetrates through the box body and is respectively communicated with the three-way pipe, one ends of the two water outlet pipes penetrate through the box body and are communicated with the water storage tank, heat dissipation holes are formed in the surface of the outer wall of the rear side of the box body, a fan is fixedly arranged inside the heat dissipation holes, and filter cloth is fixedly arranged at the opening of each heat dissipation hole.

Further, two first caulking grooves are formed in the surface of the outer wall of the heat conducting plate, two second caulking grooves are formed in the outer walls of the two sides of the box body, the two first caulking grooves are communicated with the two second caulking grooves respectively, and the water inlet pipe and the water outlet pipe are arranged in the first caulking grooves and the second caulking grooves respectively.

Further, the shell is made of an aluminum material, and heat-conducting silica gel is filled in the shell.

Further, the top and the bottom of the outer side of the heat conducting plate are both fixedly provided with buckles, the outer wall of the box body is fixedly provided with a lock catch corresponding to the buckles, and the buckles are arranged in the lock catch.

Further, a liquid adding pipe is fixedly arranged on the front side of the water storage tank, and a threaded cover is connected to the port of the liquid adding pipe in a threaded manner.

Furthermore, an outlet is formed in the front side of the box body, and a door is arranged in the outlet.

Furthermore, a handle is fixedly arranged at the center of the outer wall of the heat conducting plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model has the advantages that the heat conducting plate is movably arranged at the two sides of the box body, the heat conducting plate is movably clamped in the slot of the box body, the cooling water in the water storage tank is conveyed into the heat conducting plate by the water pump, the heat conducting plate is matched with the fan to quickly dissipate heat of the circuit board and the power element in the shell, compared with the prior art, the structure is simple, the heat dissipation effect is better, and the heat conducting plate is conveniently detached to be checked and replaced;

2. through all being provided with two first caulking grooves and two second caulking grooves at heat-conducting plate and box lateral wall, accomodate inlet tube and outlet pipe in first caulking groove and second caulking groove, reduce occuping of space to make things convenient for the heat in the cooling water to give off in the air fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a front sectional view of the overall structure provided by the present invention;

fig. 2 is a side sectional view of the overall structure provided by the present invention;

FIG. 3 is a side view of the overall structure provided by the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;

in the figure: the device comprises a box body 1, a circuit board 2, a power element 3, a shell 4, a slot 5, a heat conducting plate 6, a water cavity 7, a water storage tank 8, a water pump 9, a tee pipe 10, a water inlet pipe 11, a water outlet pipe 12, a heat dissipation hole 13, a fan 14, filter cloth 15, a first caulking groove 16, a second caulking groove 17, a buckle 18, a lock catch 19, a liquid feeding pipe 20, a threaded cover 21, a door 22 and a handle 23.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Referring to the attached drawings 1-4 of the specification, the inverter welding machine with the circulating water cooling heat dissipation structure of the embodiment comprises a box body 1, circuit boards 2 and power elements 3, wherein the number of the circuit boards 2 and the number of the power elements 3 are two, two shells 4 are fixedly arranged inside the box body 1, the two circuit boards 2 are respectively arranged in the shells 4, the two power elements 3 are respectively fixedly arranged on the circuit boards 2, the power elements 3 are arranged in the shells 4, slots 5 are respectively arranged at two sides of the box body 1, the slots 5 are communicated with the inside of the shells 4, a heat conduction plate 6 is arranged in the slots 5, a water cavity 7 is arranged inside the heat conduction plate 6, a water storage tank 8 is fixedly arranged at the bottom of the rear side of an inner cavity of the box body 1, a water pump 9 is fixedly communicated with the top of the water storage tank 8, a three-way pipe 10 is fixedly arranged at a water outlet of the water pump 9, a water inlet pipe 11 and a water outlet pipe 12 are fixedly arranged at the outer sides of the two heat conduction plates 6, the water inlet pipes 11 are arranged at the tops of the water outlet pipes 12, one ends of the two water inlet pipes 11 penetrate through the box body 1 and are communicated with the three-way pipe 10 respectively, one ends of the two water outlet pipes 12 penetrate through the box body 1 and are communicated with the water storage tank 8, heat dissipation holes 13 are formed in the surface of the outer wall of the rear side of the box body 1, fans 14 are fixedly arranged inside the heat dissipation holes 13, and filter cloth 15 is fixedly arranged at openings of the heat dissipation holes 13.

Further, two first caulking grooves 16 have been seted up on the outer wall surface of heat-conducting plate 6, two second caulking grooves 17 have all been seted up to 1 both sides outer wall of box, and two first caulking grooves 16 are linked together with two second caulking grooves 17 respectively, inlet tube 11 and outlet pipe 12 are established respectively in first caulking groove 16 and second caulking groove 17 for accomodate inlet tube 11 and outlet pipe 12, reduce occuping of space, make things convenient for inlet tube 11 and outlet pipe 12 to give off the heat to the air fast.

Further, casing 4 is made by the aluminium material, casing 4 is inside to be filled with heat conduction silica gel, can go out circuit board 2 and power component 3's heat fast transmission, improves the radiating effect.

Further, the top and the bottom of the outer side of the heat conduction plate 6 are both fixedly provided with a buckle 18, the outer wall of the box body 1 is fixedly provided with a lock catch 19 corresponding to the buckle 18, and the buckle 18 is arranged in the lock catch 19, so that the heat conduction plate 6 and the box body 1 are connected more firmly.

Further, a liquid feeding pipe 20 is fixedly arranged on the front side of the water storage tank 8, and a threaded cover 21 is connected to a port of the liquid feeding pipe 20 in a threaded manner and used for adding cooling water into the water storage tank 8.

Further, the front side of the box body 1 is provided with an outlet, a door 22 is arranged in the outlet, so that an operator can conveniently open the door 22 to check parts in the box body 1.

Furthermore, the fixed handle 23 that is equipped with in heat-conducting plate 6 outer wall center department makes things convenient for operating personnel to pull out heat-conducting plate 6 from slot 5, checks.

The utility model discloses the theory of operation:

referring to the attached drawings 1-4 of the specification, when in use, a water pump 9 on a water storage tank 8 is started, the water pump 9 respectively conveys cooling water in the water storage tank 8 into two heat conduction plates 6 through a three-way pipe 10 and a water inlet pipe 11, heat generated by a power element 3 and a circuit board 2 in a shell 4 is transferred to the heat conduction plates 6, then the heat is dissipated through the cooling water in the heat conduction plates 6, the cooling water in the heat conduction plates 6 flows back into the water storage tank 8 again through a water outlet pipe 12 for recycling, a fan 14 in a heat dissipation hole 13 exhausts air to suck out heat in a box body 1 and is matched with the cooling water, the heat dissipation effect on the circuit board 2 and the power element 3 is greatly improved, filter cloth 15 in the heat dissipation hole 13 filters dust and impurities in the air, the dust and impurities are prevented from entering the box body 1 to influence the heat dissipation effect, and a first caulking groove 16 and a second caulking groove 17 are formed in the heat conduction plates 6 and the box body 1, can accomodate inlet tube 11 and outlet pipe 12 in first caulking groove 16 and the second caulking groove 17, reduce occuping of space, when not using, can draw out heat-conducting plate 6 from slot 5 in, inspect heat-conducting plate 6 and change, avoid taking place the phenomenon of weeping, heat-conducting plate 6 is connected with box 1 through buckle 18 and hasp 19, improve the fastness of being connected between heat-conducting plate 6 and the box 1, and conveniently install and dismantle.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides an inverter welding machine with circulation water-cooling heat radiation structure, includes box (1), circuit board (2) and power component (3) quantity all set up to two, its characterized in that: the water-saving power supply box is characterized in that two shells (4) are fixedly arranged inside the box body (1), two circuit boards (2) are respectively arranged in the shells (4), two power elements (3) are respectively fixedly arranged on the circuit boards (2), the power elements (3) are arranged in the shells (4), slots (5) are respectively arranged on two sides of the box body (1), the slots (5) are communicated with the inside of the shells (4), a heat-conducting plate (6) is arranged in the slots (5), a water cavity (7) is arranged in the heat-conducting plate (6), a water storage tank (8) is fixedly arranged at the bottom of the rear side of an inner cavity of the box body (1), a water pump (9) is fixedly communicated with the top of the water storage tank (8), a three-way pipe (10) is fixedly arranged at a water outlet of the water pump (9), a water inlet pipe (11) and a water outlet pipe (12) are fixedly arranged on the outer sides of the two heat-conducting plates (6), the water inlet pipe (11) is arranged at the top of the water outlet pipe (12), two inlet tube (11) one end all run through box (1) and are linked together with three-way pipe (10) respectively, and two outlet pipe (12) one end all run through box (1) and are linked together with storage water tank (8), louvre (13) have been seted up on box (1) rear side outer wall surface, louvre (13) inside fixed fan (14) that is equipped with, fixed filter cloth (15) that is equipped with of louvre (13) opening part.

2. The inverter welding machine with the circulating water cooling heat dissipation structure as claimed in claim 1, wherein: two first caulking grooves (16) have been seted up on heat-conducting plate (6) outer wall surface, two second caulking grooves (17) have all been seted up to box (1) both sides outer wall, and two first caulking grooves (16) are linked together with two second caulking grooves (17) respectively, inlet tube (11) and outlet pipe (12) are established respectively in first caulking groove (16) and second caulking groove (17).

3. The inverter welding machine with the circulating water cooling heat dissipation structure as claimed in claim 1, wherein: the shell (4) is made of an aluminum material, and heat-conducting silica gel is filled in the shell (4).

4. The inverter welding machine with the circulating water cooling heat dissipation structure as claimed in claim 1, wherein: the heat-conducting plate (6) outside top and bottom all are fixed and are equipped with buckle (18), box (1) outer wall corresponds buckle (18) and is fixed and is equipped with hasp (19), buckle (18) are established in hasp (19).

5. The inverter welding machine with the circulating water cooling heat dissipation structure as claimed in claim 1, wherein: the water storage tank (8) is characterized in that a liquid adding pipe (20) is fixedly arranged on the front side of the water storage tank, and a threaded cover (21) is connected to the port of the liquid adding pipe (20) in a threaded manner.

6. The inverter welding machine with the circulating water cooling heat dissipation structure as claimed in claim 1, wherein: an outlet is formed in the front side of the box body (1), and a door (22) is arranged in the outlet.

7. The inverter welding machine with the circulating water cooling heat dissipation structure as claimed in claim 1, wherein: a handle (23) is fixedly arranged at the center of the outer wall of the heat-conducting plate (6).