CN211192424U - Multipurpose shielding structure and electric welding machine case with same - Google Patents
Multipurpose shielding structure and electric welding machine case with same Download PDFInfo
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- CN211192424U CN211192424U CN201922369373.7U CN201922369373U CN211192424U CN 211192424 U CN211192424 U CN 211192424U CN 201922369373 U CN201922369373 U CN 201922369373U CN 211192424 U CN211192424 U CN 211192424U
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Abstract
The utility model discloses a multipurpose shielding structure and an electric welding machine case containing the same, relating to the field of electric welding machine cases, wherein the shielding structure comprises a radiator mounting plate and two supporting plates, the two supporting plates are arranged at the two ends of the radiator to make the whole body in a concave shape, and the radiator mounting plate is provided with a radiator mounting hole; this electric welding machine case includes front panel, rear panel, roof, bottom plate and two curb plates, still sets up median septum and two multipurpose shielding structure in it, and the median septum is two-layer about divideing into quick-witted incasement portion, sets up in two multipurpose shielding structure of lower floor and sets up relatively, and it respectively and be formed with the shielding space between two curb plates, is formed with the heat dissipation wind channel between two multipurpose shielding structure. The multipurpose shielding structure is arranged in the electric welding machine case, so that a shielding space is formed, a IGBT device is shielded to a certain degree, electromagnetic interference and dust pollution are prevented, a heat dissipation air duct is formed, and the utilization rate of a heat radiator is improved.
Description
Technical Field
The utility model relates to an electric welding machine case field specifically is a multipurpose shielding structure and contain multipurpose shielding structure's electric welding machine case.
Background
At present, the inside of an electric welding machine case on the market is usually in a skeleton structure, a radiator is directly connected to the end of the machine body, and an IGBT device is directly installed on the radiator. The chassis is not shielded, so that electromagnetic interference, dust and the like cannot be effectively protected; meanwhile, the interior of the case is of an open structure, so that an air duct is not processed, and the utilization rate of the radiator is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a multipurpose shielding structure and contain multipurpose shielding structure's electric welding machine case, multipurpose shielding structure installs in electric welding machine incasement, has both formed the shielding space, carries out certain shielding to the IGBT device, protects electromagnetic interference and dust pollution, forms the heat dissipation wind channel again, improves the utilization ratio of radiator.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a multipurpose shielding structure, includes the radiator mounting panel and two backup pads of metal material, two backup pad parallel arrangement, two the backup pad is connected perpendicularly on the both ends of one side of radiator mounting panel, the radiator mounting hole has been seted up on the radiator mounting panel, the radiator mounting hole sets up in two between the backup pad.
Furthermore, the multipurpose shielding structure is integrally formed by adopting a bending process.
An electric welding machine case containing a multipurpose shielding structure comprises a front panel, a rear panel, a top plate, a bottom plate and two side plates, wherein the top plate, the rear panel, the bottom plate and the front plate are sequentially connected to form a hollow rectangular frame, the two side plates are respectively connected to two ends of the rectangular frame, a middle partition plate and the multipurpose shielding structure are further arranged in the electric welding machine case, the middle partition plate is arranged in parallel with the top plate, two sides of the middle partition plate are respectively connected with the two side plates, two ends of a supporting plate are respectively connected with the middle partition plate and the bottom plate, and one side, far away from a radiator mounting plate, of the supporting plate is connected with one side plate;
one side of backup pad is kept away from to multipurpose shielding structure's radiator mounting panel with be formed with the heat dissipation wind channel between the median septum, the air intake has been seted up on the rear panel, the air outlet has been seted up on the front panel, air intake and air outlet are all just right the heat dissipation wind channel sets up.
Further, install cooling fan in the air inlet, the air outlet outside is provided with the shutter.
The heat dissipation device comprises a grid plate radiator and a device mounting plate, wherein one side, far away from a grid plate, of the grid plate radiator is in contact with the device mounting plate, heat conduction paste is smeared between the grid plate radiator and the device mounting plate, and the device mounting plate is embedded in a radiator mounting hole.
The utility model has the advantages that:
the utility model provides a multipurpose shielding structure, including radiator mounting panel and two backup pads, it can be directly through the technology processing procedure of bending by the metal sheet, its simple structure, preparation convenience. And provide a contain this multipurpose shielding structure's electric welding machine case, compare in traditional quick-witted case, it is two-layer about being provided with the median septum in quick-witted incasement portion and separating whole quick-witted incasement portion, upper strata region is used for installing the control components and parts that are not high to the heat dissipation demand, this multipurpose shielding structure of two relative settings of lower floor installation. The two multipurpose shielding structures play an effective supporting role for the centering partition plate, so that the whole machine structure is compact, and the shock resistance and falling resistance performance are improved; a shielding space is formed between the two multipurpose shielding structures and the side plate of the case, and the IGBT device is arranged in the shielding space, so that the IGBT device can play a certain role in shielding electromagnetic interference on one hand, and effectively prevent dust from entering on the other hand, thereby improving the reliability of the device; a heat dissipation air channel is formed between the two multipurpose shielding structures, after the fan and the radiator are installed on the case, most of cooling air flow directly dissipates heat of the IGBT device through the heat dissipation air channel, and a small part of cooling air flow enters the upper layer of the case to dissipate heat of the control device, so that the heat dissipation efficiency is improved through targeted heat dissipation.
Drawings
Fig. 1 is a schematic structural view of a multipurpose shielding structure of the present invention;
fig. 2 is a schematic diagram of the overall structure of an electric welding machine case with a multi-purpose shielding structure according to the present invention;
FIG. 3 is a schematic view of a disassembled structure of an electric welding machine case with a multi-purpose shielding structure according to the present invention;
fig. 4 is a schematic structural diagram of the heat dissipation device.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1, a multipurpose shielding structure includes a heat sink mounting plate 11 made of a metal material and two support plates 12, wherein the two support plates 12 are arranged in parallel, and the two support plates 12 are vertically connected to both ends of one side of the heat sink mounting plate 11. The radiator mounting plate 11 is provided with a radiator mounting hole 13, and the radiator mounting hole 13 is arranged between the two support plates 12. When in implementation, the multipurpose shielding structure is integrally formed by adopting a bending process, and the multipurpose shielding structure is simple and convenient to manufacture.
The heat sink 14 is constructed as shown in fig. 4, and includes a grill heat sink 141 and a device mounting board 142. One side of the grid plate radiator 141, which is far away from the grid plate of the grid plate radiator, is in contact with the device mounting plate 142, the device mounting plate 142 is embedded in the radiator mounting hole 13, and one side of the device mounting plate 142, which is far away from the grid plate radiator 141, is arranged between the two support plates 12 and is used for mounting an IGBT device; the grill radiator 141 is provided on the other side of the radiator mounting plate 11. Thermal paste is applied between the grid plate radiator 141 and the device mounting plate 142 to enhance heat transfer and improve heat dissipation effect.
In practice, the multipurpose shielding structure can be applied to a welding machine case, and fig. 2 and 3 show the structure of the welding machine case containing the multipurpose shielding structure. Like a traditional case, the electric welding machine case comprises a front panel 20, a rear panel 30, a top plate 40, a bottom plate 50 and two side plates 60, wherein the top plate 40, the rear panel 30, the bottom plate 50 and the front panel 20 are sequentially connected to form a hollow rectangular frame, and the two side plates 60 are respectively connected to two ends of the rectangular frame. Different from the traditional case, the electric welding machine case is also internally provided with a middle partition plate 70 and the multipurpose shielding structure. The middle partition board 70 is arranged in parallel with the top board 40, two sides of the middle partition board 70 are respectively connected with the two side boards 60, two ends of the middle partition board 70 are respectively connected with the front panel 20 and the rear panel 30, the middle partition board 70 divides the whole case into an upper layer and a lower layer, and the upper layer is used for installing control components with low heat dissipation requirements.
In this multipurpose shielding structure, the both ends of backup pad 12 are connected with median septum 70, bottom plate 50 respectively, can effectual median septum 70 support for the complete machine structure is more inseparable, has promoted the antidetonation and has prevented the ability that falls. The side of the supporting plate 12 away from the radiator mounting plate 11 is connected to one side plate 60, and a shielding space is defined between the supporting plate and the middle partition plate 70, the bottom plate 50 and the one side plate 60. When in use, two opposite multipurpose shielding structures can be arranged according to requirements, the supporting plates 12 belonging to the two multipurpose shielding structures are respectively connected with the two side plates 60, and a shielding space is defined between each of the two multipurpose shielding structures and the middle partition plate 70, the bottom plate 50 and one side plate 60. The IGBT device is arranged on the device mounting plate 142, namely, is also arranged in the shielding space, so that on one hand, electromagnetic interference can be shielded to a certain degree, on the other hand, dust can be effectively prevented from entering, and the reliability of the device is improved. Specifically, the multi-purpose shielding structure and the middle partition plate 70 are integrally provided with interface terminals, and devices located in the shielding space are connected with components in other areas through the interface terminals, so that adverse effects of directly opening the wire aligning holes on the shielding effect are reduced.
A heat dissipation air duct is formed between one side of the heat sink mounting plate 11 of the multi-purpose shielding structure, which is far away from the support plate 12, and the middle partition plate 70, and when two multi-purpose shielding structures are used, the heat dissipation air duct is located between the heat sink mounting plates 11 of the two multi-purpose shielding structures and the middle partition plate 70. After the installation, the grid plate radiator 141 of the multipurpose shielding structure is arranged in the radiating air duct. The rear panel 30 is provided with an air inlet 31, the front panel 20 is provided with an air outlet 21, and the air inlet 31 and the air outlet 21 are both arranged right opposite to the heat dissipation air duct. In implementation, the heat dissipation fan is installed in the air inlet 31, and the heat dissipation fan directly blows air into the air duct to directly cool the grid plate radiator 141, so as to further cool the IGBT device installed on the other side of the grid plate radiator 141, thereby ensuring heat dissipation of the IGBT device. Air inlets (not shown) are formed in the middle partition plate 70 near the front panel 20 and the rear panel 30, and when the cabinet is cooled, a small part of air flows through the air inlets to form cooling air flows on the upper layer of the cabinet, so that the devices on the upper layer of the cabinet are cooled. Through this setting, the cooling air current that radiator fan produced divides into two strands, and most flows through lower floor's wind channel, carries out the pertinence cooling to the IGBT device, and the part flows through from quick-witted incasement upper space, cools off the control device, through the cooling method of pertinence, has further improved heat dissipation utilization ratio. The louver 22 is arranged on the outer side of the air outlet 21, the louver 22 guides air outlet at the tail end of the air duct to enable air supply to face the ground, meanwhile, the louver is arranged to reduce the air passing diameter of the air outlet, and certain effect is achieved on preventing dust from entering the case.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. The utility model provides a multipurpose shielding structure, its characterized in that, includes radiator mounting panel (11) and two backup pads (12) of metal material, two backup pad (12) parallel arrangement, two backup pad (12) are connected perpendicularly on the both ends of one side of radiator mounting panel (11), radiator mounting hole (13) have been seted up on radiator mounting panel (11), radiator mounting hole (13) set up in two between backup pad (12).
2. The multipurpose shielding structure according to claim 1, wherein the multipurpose shielding structure is integrally formed by a bending process.
3. An electric welding machine case containing a multi-purpose shielding structure comprises a front panel (20), a rear panel (30), a top plate (40), a bottom plate (50) and two side plates (60), the top plate (40), the rear panel (30), the bottom plate (50) and the front panel (20) are sequentially connected to form a hollow rectangular frame, the two side plates (60) are respectively connected to two ends of the rectangular frame, characterised in that a middle partition (70) and the multipurpose shielding structure of claim 1 are also arranged in the welding machine cabinet, the middle clapboard (70) is arranged in parallel to the top plate (40), two sides of the middle clapboard (70) are respectively connected with the two side plates (60), two ends of the supporting plate (12) are respectively connected with the middle clapboard (70) and the bottom plate (50), one side of the supporting plate (12) far away from the radiator mounting plate (11) is connected with one side plate (60);
multipurpose shielding structure's radiator mounting panel (11) are kept away from one side of backup pad (12) with be formed with the heat dissipation wind channel between median septum (70), air intake (31) have been seted up on rear panel (30), air outlet (21) have been seted up on front panel (20), air intake (31) and air outlet (21) are all just right the heat dissipation wind channel sets up.
4. The welding machine cabinet with the multipurpose shielding structure as claimed in claim 3, wherein a heat dissipation fan is installed in the air inlet (31), and a louver (22) is arranged outside the air outlet (21).
5. The welding machine cabinet with the multipurpose shielding structure as claimed in claim 3, further comprising a heat dissipation device (14), wherein the heat dissipation device (14) comprises a grid plate radiator (141) and a device mounting plate (142), one side of the grid plate radiator (141) far away from a grid plate is arranged in contact with the device mounting plate (142), heat conducting paste is smeared between the grid plate radiator (141) and the device mounting plate (142), and the device mounting plate (142) is embedded in the radiator mounting hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922369373.7U CN211192424U (en) | 2019-12-25 | 2019-12-25 | Multipurpose shielding structure and electric welding machine case with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922369373.7U CN211192424U (en) | 2019-12-25 | 2019-12-25 | Multipurpose shielding structure and electric welding machine case with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211192424U true CN211192424U (en) | 2020-08-07 |
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ID=71888408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922369373.7U Active CN211192424U (en) | 2019-12-25 | 2019-12-25 | Multipurpose shielding structure and electric welding machine case with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211192424U (en) |
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2019
- 2019-12-25 CN CN201922369373.7U patent/CN211192424U/en active Active
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