CN204183124U - portable welder - Google Patents
portable welder Download PDFInfo
- Publication number
- CN204183124U CN204183124U CN201420489359.5U CN201420489359U CN204183124U CN 204183124 U CN204183124 U CN 204183124U CN 201420489359 U CN201420489359 U CN 201420489359U CN 204183124 U CN204183124 U CN 204183124U
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- heat sink
- sink assembly
- diode
- igbt module
- master control
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Abstract
The utility model discloses a kind of portable welder, comprise shell, be provided with master control borad, IGBT module and heat sink assembly, diode and heat sink assembly and main transformer in described shell, both described IGBT module and heat sink assembly and diode and heat sink assembly interval is arranged; Master control borad is fixed on the top of IGBT module and heat sink assembly and diode and heat sink assembly, described IGBT module and heat sink assembly, diode and heat sink assembly and master control borad coordinate and form heat dissipation wind channel, just be provided with cooling blower to heat dissipation wind channel, the high heater members that described master control borad is provided with is arranged in described heat dissipation wind channel.The utility model provide a kind of easy for installation, cost is low, structure is simple, good heat dissipation and meet relatively high power export portable welder.
Description
Technical field
The utility model relates to a kind of welding machine, particularly relates to a kind of portable welder.
Background technology
Welding machine is for welding the electrical equipment providing the power supply of certain characteristic, welding due to flexible simple and convenient solid and reliable, be even widely used in each industrial circle with the advantage of mother metal equality strength after welding.
In the prior art, the structure of welding machine mainly contains following several:
A kind of is the welding machine of single plate structure, the feature of this welding machine is: welding machine inside arranges a fixed head, the parts such as switching power devices of welding machine, diode, control circuit, main transformers etc. are all installed on this fixed head, fixed head becomes the structure that all parts are fixed and supported, parts due to welding machine are all arranged on a plate, for portable welding machine, conveniently, overall volume is unsuitable excessive, therefore the restriction of volume is subject to, gap of arranging between parts is very little, arrange intensive, heat dissipation wind channel is intercepted by parts, cause ventilation not smooth, the welding machine heating of this structure is heavy, power output is low.
Another kind of common machine structure is exactly in welding machine, arrange crossbeam for installation of heat radiator and vertical beam, crossbeam and vertical beam structure are specifically designed to installs fixed heat sink, the advantage increasing crossbeam and vertical beam is that radiator can reliably be fixed, but also there are some problems: crossbeam and vertical beam occupy locus limited in welding machine, welding machine parts are not easily arranged, in addition because radiator is separately fixed on crossbeam and vertical beam by needs, cause and complexity is installed, and little also the making in operating space installs inconvenience.Moreover, the also corresponding cost adding whole welding machine.
Utility model content
The technical problems to be solved in the utility model is, exactly for there is above-mentioned defect in prior art, provide a kind of easy for installation, cost is low, structure is simple, good heat dissipation and meet relatively high power export portable welder.
The utility model solves the technical scheme that its technical problem adopts:
A kind of portable welder, comprises shell, is provided with master control borad, IGBT module and heat sink assembly, diode and heat sink assembly and main transformer in described shell, and both described IGBT module and heat sink assembly and diode and heat sink assembly interval is arranged; Master control borad is fixed on the top of IGBT module and heat sink assembly and diode and heat sink assembly, described IGBT module and heat sink assembly, diode and heat sink assembly and master control borad coordinate and form heat dissipation wind channel, corresponding heat dissipation wind channel is provided with cooling blower, and the high heater members that described master control borad is provided with is arranged in described heat dissipation wind channel.
Preferably, in described portable welder, spacing between described IGBT module and heat sink assembly and diode and heat sink assembly coordinates consistent with master control borad length, the high heater members that master control borad is provided with all is arranged in described heat dissipation wind channel and IGBT module and heat sink assembly and diode and heat sink assembly are directly fixed together with master control borad.
Preferably, in described portable welder, described master control borad is fixed on the top of IGBT module and heat sink assembly and diode and heat sink assembly by connector.
Preferably, in described portable welder, described connector comprises fixed leg and the set bolt of multiple hollow, described fixed leg is arranged between master control borad and IGBT module and heat sink assembly, between master control borad and diode and heat sink assembly, be fixed together respectively by master control borad by set bolt with by fixed leg with IGBT module and heat sink assembly, diode and heat sink assembly.
Preferably, in described portable welder, described IGBT module and heat sink assembly comprise IGBT module and IGBT module radiator, described diode and heat sink assembly comprise diode and diode radiating device, described IGBT module radiator and diode radiating device are respectively equipped with heat-dissipating fin, and two heat-dissipating fins are arranged in heat dissipation wind channel.
Preferably, in described portable welder, the air-flow direction that described heat-dissipating fin drives along cooling blower is arranged.
Preferably, in described portable welder, described shell comprises front panel, rear board, base plate and side plate, and described cooling blower is fixed on described rear board.
Preferably, in described portable welder, described rear board offers ventilating opening, and described cooling blower is arranged on inside ventilating opening.
The utility model adopts master control borad, IGBT module and heat sink assembly, diode and heat sink assembly are worked in coordination formation heat dissipation wind channel, wherein IGBT module and heat sink assembly, both diode and heat sink assembly are vertically and the setting that is spaced a distance, and master control borad is fixed on the two top, such master control borad, IGBT module and heat sink assembly, diode and heat sink assembly coordinate with enclosure bottom sets up out heat dissipation wind channel, the device that caloric value in master control borad is large is located in heat dissipation wind channel, in addition by cooling blower just to heat dissipation wind channel, heat dissipation wind channel forms the path of wind flow on the one hand, to be blown by cooling blower or the heat in heat dissipation wind channel is taken away by exhausting fast, the device large due to the caloric value of master control borad is arranged in heat dissipation wind channel, heat directly can distribute by air flowing, in addition, be transmitted to IGBT module and heat sink assembly, heat on diode and heat sink assembly is also flowed by air and distributes, so just can carry out quick heat radiating by butt welding machine.
In the utility model, directly be fixedly installed togather by IGBT module and heat sink assembly, diode and heat sink assembly and master control borad, and IGBT module and heat sink assembly, diode and heat sink assembly bottom are fixed on the base plate of shell, form a stable frame structure, without the need to arranging fixed mechanism in addition.The utility model is easy for installation, cost is low, structure is simple, and because solves heat dissipation problem can meet relatively high power output.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation removing front panel of the utility model embodiment;
Fig. 2 is the internal structure schematic diagram removing side plate of the utility model embodiment;
Fig. 3 is the internal structure schematic diagram removing another direction of side plate of the utility model embodiment;
Fig. 4 is the rear panel structure schematic diagram of the utility model embodiment.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe detailed description of the invention of the present utility model in detail.
As Figure 1-4, a kind of portable welder, comprise shell, be provided with master control borad 300, IGBT module and heat sink assembly 200, diode and heat sink assembly 400 and main transformer 500 in described shell, both described IGBT module and heat sink assembly 200 and diode and heat sink assembly 400 interval is arranged; Master control borad 300 is fixed on the top of IGBT module and heat sink assembly 200 and diode and heat sink assembly 400, described IGBT module and heat sink assembly 200, diode and heat sink assembly 400 and master control borad 300 coordinate and form heat dissipation wind channel 700, corresponding heat dissipation wind channel 700 is provided with cooling blower 100, and the high heater members 301 that described master control borad 300 is provided with is arranged in described heat dissipation wind channel 700.
As Figure 1-4; shell is the outermost parts of portable welder; protect for device in butt welding machine; therefore; shape and the structure of shell are not construed as limiting; its size is determined according to the arrangement of all parts in welding machine; shell comprises base plate 904, front panel 901, rear board 902 and side plate 903; wherein base plate 904, front panel 901, rear board 902 are generally slab construction; the U-shaped structure of side plate 903 for putting upside down; directly be fastened on base plate 904, side plate 903 also can be combine, and is namely made up of both sides side plate and top side plate.
As Figure 1-3, in described portable welder, the maximum device that takes up space is IGBT module and heat sink assembly 200, diode and heat sink assembly 400 and main transformer 500, wherein main transformer 500 is directly fixed on base plate 904 in the enclosure, IGBT module and heat sink assembly 200, diode and heat sink assembly 400 all respectively by the fixing base plate 904 in the enclosure of support 800, on the base plate 904 that also directly can be fixed on shell or on side plate 903.The structure of support 800 and fixed position are with IGBT module and heat sink assembly 200, diode and heat sink assembly 400 respective outer side edges, as long as IGBT module and heat sink assembly 200, diode and heat sink assembly 400 can be fixed, in this no limit.In the present embodiment, support 800 is arranged in the bottom of IGBT module and heat sink assembly 200, diode and heat sink assembly 400, be bolted, the shape of support 800 can be column, bulk, tabular, framework etc., preferably be provided with column, arrange at least two separately in the bottom of IGBT module and heat sink assembly 200, diode and heat sink assembly 400 respectively.Due at IGBT module and heat sink assembly 200, the bottom of diode and heat sink assembly 400 is fixed, IGBT module and heat sink assembly 200 can be kept, the bottom of each structure of diode and heat sink assembly 400 fixedly secures, add IGBT module and heat sink assembly 200, the top of diode and heat sink assembly 400 is fixed together with master control borad 300 respectively, form a stable frame structure, stable frame structure is again without the need to arranging other fixed parts in addition, and, this structure is very simple and reliable, operation also corresponding convenience is installed, whole welding machine cost is equally also made to reduce.
As Figure 1-3, IGBT module and heat sink assembly 200 comprise IGBT module 201, IGBT module radiator 202, IGBT module radiator 202 is for the heat radiation of IGBT module 201, IGBT module 201 and IGBT module radiator 202 are fitted and are fixed together, described diode and heat sink assembly 400 comprise diode 401 and diode radiating device 402, diode radiating device 402 is for the heat radiation of diode 401, and diode 401 and diode radiating device 402 laminating are fixed together.When mounted, IGBT module 201, IGBT module radiator 202 are an entirety, and diode 401 and diode radiating device 402 are an entirety, and they all distinguish directly fixing.IGBT module radiator 202, diode radiating device 402 can adopt existing goods, and its structure, model are not construed as limiting, and only need meet cooling requirements of the present utility model.
Preferably, described IGBT module radiator 202 and diode radiating device 402 are respectively equipped with heat-dissipating fin 202a, heat-dissipating fin 402a, two heat-dissipating fin 202a and 402a are arranged in heat dissipation wind channel 700, with the radiator of heat-dissipating fin 202a and heat-dissipating fin 402a, mainly dispel the heat by heat-dissipating fin 202a and heat-dissipating fin 402a, heat-dissipating fin 202a and heat-dissipating fin 402a has larger area of dissipation, be arranged in heat dissipation wind channel 700, by air flowing fast, the heat that heat-dissipating fin 202a and heat-dissipating fin 402a derives can be taken away.
Preferably, the heat-dissipating fin 202a of diode radiating device 402 and IGBT module radiator 202 and heat-dissipating fin 402a, the air-flow direction all driven along cooling blower 100 is arranged, namely adjacent heat radiation fin 202a and heat-dissipating fin 402a gap along and air-flow direction, make cooling blower 100 drive rapid air movement in heat-dissipating fin 202a and heat-dissipating fin 402a gap, the heat on heat-dissipating fin 202a and heat-dissipating fin 402a is taken away.
As Figure 1-3, master control borad 300 is the main control part of welding machine, master control borad 300 is provided with many high heater members 301, if heat can not shed in time, high thermal environment will affect the normal operation of these high heater members 301, therefore, maintain the normal operation of these high heater members 301 and just need cooling, prior art Problems existing is exactly effectively do not solve heat radiation, and in the utility model, described master control borad 300 is fixed on the top of IGBT module and heat sink assembly 200 and diode and heat sink assembly 400 by connector 600, such master control borad 300 is maked somebody a mere figurehead above IGBT module and heat sink assembly 200 and diode and heat sink assembly 400, due to Existential Space above heat dissipation wind channel 700 and master control borad 300, the device more easy heat radiation then arranged on master control borad 300, and the main high heater members 301 on master control borad 300 is all positioned in heat dissipation wind channel 700, pass through just to cooling blower 100 exhausting or the air blast of heat dissipation wind channel 700 again, the quick flowing of wind is formed on the one hand in heat dissipation wind channel 700, to be blown by cooling blower 100 or the heat in heat dissipation wind channel 700 is taken away by exhausting fast, be transmitted to IGBT module and heat sink assembly 200 in addition, heat on diode and heat sink assembly 400 is also flowed by air and distributes, just can carry out quick heat radiating in butt welding machine inside.
As Figure 1-3, according to the arrangement of welding machine various components inside, be divided into double-layer structure arrangement, ground floor is master control borad 300, is positioned at shell internal upper part, and all the other structures are the second layer, is all directly or indirectly fixedly connected with the base plate 904 of shell.Owing to forming the mainly IGBT module of heat dissipation wind channel 700 and heat sink assembly 200 and diode and heat sink assembly 400, then the spacing of the two meets cooling requirements, spacing between preferred described IGBT module and heat sink assembly 200 and diode and heat sink assembly 400 coordinates consistent with master control borad 300 length, the heater members that master control borad 300 is provided with all is arranged in described heat dissipation wind channel 700 and IGBT module and heat sink assembly 200 and diode and heat sink assembly 400 are directly fixed together with master control borad 300.
Preferably, in described portable welder, described connector 600 for fixing master control borad 300 comprises fixed leg and the set bolt of multiple hollow, described fixed leg is arranged between master control borad 300 and IGBT module and heat sink assembly 200, between master control borad 300 and diode and heat sink assembly 400, be fixed together respectively by fixed leg by set bolt with IGBT module and heat sink assembly 200, diode and heat sink assembly 400.Specifically in IGBT module and heat sink assembly 200, master control borad 300 is fixedly connected with IGBT module radiator 202, and in diode and heat sink assembly 400, master control borad 300 is fixedly connected with diode radiating device 402.Fixed leg can with internal thread, also can not be threaded, IGBT module radiator 202, diode radiating device 402 end face are provided with screw, master control borad 300 is also provided with connecting hole, they, in the screw of IGBT module radiator 202, diode radiating device 402 end face, are fixed together by set bolt spinning from the hollow cavity of connecting hole, fixed leg.The wherein preferred insulator of fixed leg, prevents the printed circuit on master control borad 300 from conducting electricity with between radiator.According to master control borad 300, IGBT module radiator 202, the arrangement position of diode radiating device 402, fixed leg can vertically be arranged, also can be horizontally disposed with, it is because master control borad 300 is at least positioned at IGBT module radiator 202 in two ends that fixed leg is vertically arranged, directly over diode radiating device 402, and to be horizontally disposed be because IGBT module radiator 202, diode radiating device 402 spacing is wider than master control borad 300 length, master control borad 300 is positioned at the top in space therebetween, make IGBT module radiator 202, diode radiating device 402 can only be fixed by fixed leg and master control borad 300 end horizontal.
As Figure 1-4, preferably, in described portable welder, described shell comprises front panel 901, rear board 902, base plate 904 and side plate 903, cooling blower 100 is for deriving the heat in welding machine, then preferably be arranged on shell by cooling blower 100, more preferably described cooling blower 100 is fixed on described rear board 902.Be specially: described rear board 902 offers ventilating opening, described cooling blower 100 is arranged on inside ventilating opening.Also can fix in ventilating opening by cooling blower 100, heat is directly extracted out by cooling blower 100.
The electrical connection of master control borad 300, IGBT module and heat sink assembly 200, diode and heat sink assembly 400 and main transformer 500, and connect all identical with prior art with extraneous power supply, do not repeat them here.
Claims (8)
1. a portable welder, comprise shell, be provided with master control borad, IGBT module and heat sink assembly, diode and heat sink assembly and main transformer in described shell, it is characterized in that, both described IGBT module and heat sink assembly and diode and heat sink assembly interval is arranged; Master control borad is fixed on the top of IGBT module and heat sink assembly and diode and heat sink assembly, described IGBT module and heat sink assembly, diode and heat sink assembly and master control borad coordinate and form heat dissipation wind channel, just be provided with cooling blower to heat dissipation wind channel, the high heater members that described master control borad is provided with is arranged in described heat dissipation wind channel.
2. portable welder according to claim 1, it is characterized in that, spacing between described IGBT module and heat sink assembly and diode and heat sink assembly coordinates consistent with master control borad length, the high heater members that master control borad is provided with all is arranged in described heat dissipation wind channel and IGBT module and heat sink assembly and diode and heat sink assembly are directly fixed together with master control borad.
3. portable welder according to claim 2, is characterized in that, described master control borad is fixed on the top of IGBT module and heat sink assembly and diode and heat sink assembly by connector.
4. portable welder according to claim 3, it is characterized in that, described connector comprises fixed leg and the set bolt of multiple hollow, described fixed leg is arranged between master control borad and IGBT module and heat sink assembly, between master control borad and diode and heat sink assembly, be fixed together respectively by master control borad by set bolt and fixed leg with IGBT module and heat sink assembly, diode and heat sink assembly.
5. portable welder according to claim 1, it is characterized in that, described IGBT module and heat sink assembly comprise IGBT module and IGBT module radiator, described diode and heat sink assembly comprise diode and diode radiating device, described IGBT module radiator and diode radiating device are respectively equipped with heat-dissipating fin, and two heat-dissipating fins are all arranged in heat dissipation wind channel.
6. portable welder according to claim 5, is characterized in that, the air-flow direction that described heat-dissipating fin drives along cooling blower is arranged.
7. portable welder according to claim 1, is characterized in that, described shell comprises front panel, rear board, base plate and side plate, and described cooling blower is fixed on described rear board.
8. portable welder according to claim 7, is characterized in that, described rear board offers ventilating opening, and described cooling blower is arranged on inside ventilating opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420489359.5U CN204183124U (en) | 2014-08-27 | 2014-08-27 | portable welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420489359.5U CN204183124U (en) | 2014-08-27 | 2014-08-27 | portable welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204183124U true CN204183124U (en) | 2015-03-04 |
Family
ID=52615155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420489359.5U Expired - Fee Related CN204183124U (en) | 2014-08-27 | 2014-08-27 | portable welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204183124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113226616A (en) * | 2018-11-02 | 2021-08-06 | 依赛彼公司 | Wire feeder |
-
2014
- 2014-08-27 CN CN201420489359.5U patent/CN204183124U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113226616A (en) * | 2018-11-02 | 2021-08-06 | 依赛彼公司 | Wire feeder |
| CN113226616B (en) * | 2018-11-02 | 2024-04-02 | 依赛彼公司 | Wire feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20170827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |