CN202192379U

CN202192379U - Novel welder case

Info

Publication number: CN202192379U
Application number: CN2011201967451U
Authority: CN
Inventors: 张光先; 丛炜峰; 李德春
Original assignee: SHANDONG AOTAI ELECTRIC CO Ltd
Current assignee: SHANDONG AOTAI ELECTRIC CO Ltd
Priority date: 2011-06-13
Filing date: 2011-06-13
Publication date: 2012-04-18
Anticipated expiration: 2021-06-13

Abstract

The utility model relates to a novel welder case, which is simple in structure and convenient in use, is used for isolating portions of a welder with higher requirements on dust and water from an air duct without affecting a radiating mode and a radiating environment, and can be used for prolonging the service lives of products and enhancing the reliability of the products without increasing excessive cost. The novel welder case comprises a case body, a middle plate is arranged inside the case body, a radiator support is arranged between the middle plate and a bottom plate of the case body, a radiator is mounted on one side of the radiator support, an isolation space is formed by the other side of the radiator support and a dustproof cover, a fan is further mounted in the case body, and at least one IGBT (insulated gate bipolar transistor) component is mounted inside the isolation space and connected with the radiator.

Description

A kind of new welder cabinet

Technical field

The utility model relates to a kind of new welder cabinet.

Background technology

In the existing welding machine casing structure, base plate and la m lack bracing or strutting arrangement, and the bigger components and parts hanging of quality is easy to make la m to be out of shape on la m.In the existing casing structure, on the main heating device, radiator is installed, radiator is fixed in the cabinet, cooling blower is installed, the heat in the case is blown out from the hole that the tank wall opposite side is opened, reach the purpose of rapid heat radiation in a side of cabinet with support.This radiating mode can not be realized sealing, and extraneous dust and moisture are easy to get in the cabinet, and the time one is long, causes the internal electric decreasing insulating, and the components and parts corrosion causes reliability of products to descend, and has an accident.If adopt the independent ventiduct infrastructure cost that air channel and components and parts are isolated fully too high, and can strengthen the cabinet volume.

The utility model content

The purpose of the utility model is exactly for addressing the above problem; Provide a kind of simple in structure; Easy to use, it isolates the requirement to dust and moisture in the welding machine to come out from the air channel than higher part, does not influence radiating mode and heat dissipation environment again; Both can increase the life-span and the reliability of product, be unlikely to increase the new welder cabinet of excessive cost again.

For realizing above-mentioned purpose, the utility model adopts following technical scheme:

A kind of new welder cabinet, it comprises box body, is provided with la m in the inside of box body; Be provided with a radiator bearer between the base plate of said la m and box body; Radiator bearer one side is installed radiator, and opposite side and dust cover are formed an insulating space, and fan also is installed in box body; At least one IGBT assembly is installed in the said insulating space, and the IGBT assembly is connected with radiator.

Said radiator bearer is a U type or plate.

Said dust cover is cabochon or semicircle column type or halfpace build or triangle build or U type.

Said IGBT assembly comprises IGBT module and the filter capacitor that matches with the IGBT module, and the positive pole of IGBT module connects copper bar I through IGBT and is connected copper bar I connection with filter capacitor, and filter capacitor connects copper bar I and is connected with filter capacitor one end; The negative pole of IGBT module connects copper bar II through IGBT and is connected copper bar II connection with filter capacitor, and filter capacitor connects copper bar II and is connected with the filter capacitor other end; Between filter capacitor connection copper bar I, filter capacitor connection copper bar II, be provided with the insulation division board; Filter capacitor connection copper bar I, filter capacitor connection copper bar II, IGBT connect copper bar I, IGBT connects copper bar II and all is connected with the printed board of IGBT absorption electric capacity with IGBT module link.

Said filter capacitor connects copper bar I, filter capacitor connects copper bar II lower end and has and the corresponding hole of filter capacitor, and filter capacitor is installed between two copper coins.

Said filter capacitor is connected with radiator.

Said filter capacitor is connected with the support that is parallel to the radiator plane.

The utility model through radiator bearer and dust cover with on the radiator fixedly components and parts be surrounded as an airtight space, on the milling flat of radiator components and parts can be installed.Components and parts and air channel are kept apart, after the components and parts radiating surface is coated heat-conducting silicone grease, directly be affixed on the milling flat of radiator, most of heat is spilt into the air channel, through blower fan the heat in the air channel is shed outside the machine again through radiator.

In this confined space, make the parallel mode of copper bar reduce distributed inductance through copper bar by filter capacitor two ends access IGBT both positive and negative polarity, the area that two copper bars walk abreast is big more, and the distance between two copper bars is more little, and the effect that reduces distributed inductance is just good more.Therefore, consider creep age distance, need between two copper bars, increase an insulation division board.This structure is to design according to the mounting means of existing IGBT and the contour structures of filter capacitor.IGBT absorbs the electric capacity printed board and is connected with IGBT that copper bar I, II and filter capacitor are connected copper bar I, II links together through screw, has on the copper bar and the corresponding hole of IGBT absorption electric capacity printed board.Filter capacitor connects copper bar I, the II lower end has and the corresponding hole of filter capacitor, and filter capacitor is installed between two copper coins.The mounting plane and the filter capacitor that like this, just can make filter capacitor connect copper bar I, II and IGBT fixedly mount face in one plane.Connect copper bar I, II and after IGBT is connected at filter capacitor, filter capacitor just can be fixed on the radiator milling flat simultaneously or be parallel on the support of radiator milling flat (the radiator height is not enough to the fixedly situation of filter capacitor) again.

The beneficial effect of the utility model is: simple in structure, easy to use, good heat dissipation effect has satisfied the necessary connected mode of electric equipment compartment, makes total seem more attractive in appearance again, and greatly reduces distributed inductance.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the opposite side view of Fig. 1;

Fig. 3 is the structure chart after the IGBT radiating subassembly assembling;

Fig. 4 is another angular views of Fig. 3;

The structure chart of Fig. 5 after for the assembling of each copper bar.

Wherein, 1, la m 2, rear board 3, fan 4, base plate 5, radiator bearer 6, radiator 7, front panel 8, dust cover 9, IGBT module 10, filter capacitor 11, IGBT connect copper bar I 12, filter capacitor and connect copper bar I 13, IGBT and connect copper bar II 14, filter capacitor and connect copper bar II 15, insulation division board 16, IGBT and absorb the electric capacity printed board.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Among Fig. 1, Fig. 2; It comprises box body; Be provided with la m 1 in the inside of box body, 4 of the base plates of said la m 1 and box body are provided with a radiator bearer 5, and radiator bearer 5 one sides are installed radiator 6; Opposite side and dust cover 8 are formed an insulating space, and fan 3 also is installed on box body rear board 2.The front panel 7 of cabinet is provided with louvre.Said radiator bearer 5 is the U type.

At least one IGBT assembly is installed in insulating space, and the IGBT assembly is connected with radiator 6.

Among Fig. 3, Fig. 4, Fig. 5; Said IGBT assembly comprises IGBT module 9 and the filter capacitor 10 that matches with IGBT module 9; The positive pole of IGBT module 9 connects copper bar I 11 through IGBT and is connected copper bar I 12 connections with filter capacitor, and filter capacitor connects copper bar I 12 and is connected with filter capacitor 10 1 ends; The negative pole of IGBT module 9 connects copper bar II 13 through IGBT and is connected copper bar II 14 connections with filter capacitor, and filter capacitor connects copper bar II 14 and is connected with filter capacitor 10 other ends; Connect 14 of copper bar II and be provided with insulation division board 15 at filter capacitor connection copper bar I 12, filter capacitor; Filter capacitor connection copper bar I 12, filter capacitor connection copper bar II14, IGBT connect copper bar I 11, IGBT connects copper bar II 13 and all is connected with IGBT absorption electric capacity printed board 16 with IGBT module 9 links.

Said filter capacitor connects copper bar I 12, filter capacitor connects copper bar II 14 lower ends and has and filter capacitor 10 corresponding holes, and filter capacitor 10 is installed between two copper coins.

Said filter capacitor 10 is connected with radiator 6.

Said filter capacitor 10 is connected with the support that is parallel to radiator 6 planes.

Said dust cover 8 is cabochon or semicircle column type or halfpace build or triangle build or U type.

Claims

1. new welder cabinet; It comprises box body, is provided with la m in the inside of box body, it is characterized in that; Be provided with a radiator bearer between the base plate of said la m and box body; Radiator bearer one side is installed radiator, and opposite side and dust cover are formed an insulating space, and fan also is installed in box body; At least one IGBT assembly is installed in the said insulating space, and the IGBT assembly is connected with radiator.

2. new welder cabinet as claimed in claim 1 is characterized in that, said radiator bearer is a U type or plate.

3. new welder cabinet as claimed in claim 1 is characterized in that, said dust cover is cabochon or semicircle column type or halfpace build or triangle build or U type.

4. new welder cabinet as claimed in claim 1; It is characterized in that; Said IGBT assembly comprises IGBT module and the filter capacitor that matches with the IGBT module; The positive pole of IGBT module connects the copper bar I through IGBT and is connected the connection of copper bar I with filter capacitor, and filter capacitor connects the copper bar I and is connected with filter capacitor one end; The negative pole of IGBT module connects the copper bar II through IGBT and is connected the connection of copper bar II with filter capacitor, and filter capacitor connects the copper bar II and is connected with the filter capacitor other end; Between filter capacitor connection copper bar I, filter capacitor connection copper bar II, be provided with the insulation division board; Filter capacitor connection copper bar I, filter capacitor connection copper bar II, IGBT connect the copper bar I, IGBT connects the copper bar II and all is connected with the printed board of IGBT absorption electric capacity with IGBT module link.

5. new welder cabinet as claimed in claim 4 is characterized in that, said filter capacitor connects the copper bar I, filter capacitor connects copper bar II lower end and has and the corresponding hole of filter capacitor, and filter capacitor is installed between two copper coins.

6. new welder cabinet as claimed in claim 4 is characterized in that said filter capacitor is connected with radiator.

7. new welder cabinet as claimed in claim 4 is characterized in that, said filter capacitor is connected with the support that is parallel to the radiator plane.