CN102922107B - Sweating plate radiator for inverter type welding machine - Google Patents

Sweating plate radiator for inverter type welding machine Download PDF

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Publication number
CN102922107B
CN102922107B CN201210449381.2A CN201210449381A CN102922107B CN 102922107 B CN102922107 B CN 102922107B CN 201210449381 A CN201210449381 A CN 201210449381A CN 102922107 B CN102922107 B CN 102922107B
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China
Prior art keywords
plate
sweating
radiator
welding machine
described
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CN201210449381.2A
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Chinese (zh)
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CN102922107A (en
Inventor
刘振华
李元阳
陈秀娟
庞乐
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上海交通大学
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Priority to CN201210449381.2A priority Critical patent/CN102922107B/en
Publication of CN102922107A publication Critical patent/CN102922107A/en
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Abstract

A sweating plate radiator for an inverter type welding machine comprises a water tank, two dust-proof plates, a sweating plate, two capillary liquid absorption core plates, a fin radiator and a plug-in type cover plate, wherein the water tank capable of storing water is located at the lowest bottom of the sweating plate radiator, a left dust-proof plate and a right dust-proof plate are vertically connected onto tow lateral walls of the water tank, the sweating plate is a U-shaped plate and is sleeved on the inner most layer of the sweating plate radiator, the tow capillary liquid absorption core plates are respectively pressed on the inner surfaces of the two dust-proof plate and cling to two outer lateral walls of the sweating plate, bottom planes of the two capillary liquid absorption core plates cling to the bottom of the water tank and are dip into water, the fin radiator is fixed on the inner lateral wall of the sweating plate, an insulated gate bipolar transistor of the inverter type welding machine is fixed on the fin radiator, and the plug-in type cover plates are covered on the upper face, the front end face and the rear end face of the sweating plate radiator. The sweating plate radiator for the inverter type welding machine adopts a radiating method of combining phase change heat adsorption of water and forcing air cooling inside the welding machine and has the advantages of being high in radiation efficiency, simple in structure, good in adaptability and high in safety and stability.

Description

For the sweating plate radiator of contravariant arc welding machine

Technical field

The present invention relates to a kind of cooling device of electric welding machine, be specifically related to a kind of sweating plate radiator for contravariant arc welding machine, belong to mechanical & electrical technology field.

Background technology

According to statistics, the over half of World Steel output is, by welding procedure, it is made to steel part, and welding procedure relies on welding equipment to realize, the history taking arc welding as the existing last 100 years of main welding manner.Electric welding machine is the infrastructure device that use is processed in industry etc. in industry, and along with welding machine industry development, countries in the world are all in design with produce contravariant welding machine, in order to replacing heaviness, high, inefficient traditional pressure swing type welding machine consumes energy.The advantages such as that contravariant welding machine not only has is efficient, energy-conservation, volume is little, lightweight, multi-functional, multipurpose, and there is good static and dynamic performance and operational characteristic, thereby the contravariant welding machine of a new generation has been subject to widely paying attention to since coming out, and obtain fast development.

Electric welding machine can produce amount of heat under in working order, most of electrical power of input has changed into the heat that fuselage interior power device produces, be operated in the temperature range of permission in order to ensure power device within, must take cooling measure with forced cooling to power device.General radiating mode is the forced convertion mode of utilizing air now: power device is installed on Aluminium Radiator, and the heat of power device first passes to Aluminium Radiator, then utilizes fan exhaust that heat is blown out to casing.This radiating mode is to the larger electric welding machine of volume or effective.One of main target of technical development is the contravariant arc welding machine of miniaturization in the world at present, and traditional cross-ventilation mode is dispelled the heat and no longer can be met the demands, and the heat-sinking capability that improves miniature welding machine is the bottleneck of a technical development.

At present, the heat dissipation technology patent of existing a lot of traditional transformer condenser discharge welders, for example, and China Patent No.: 200720064504.5, utility model name is called: oil cooling electric welding machine.Cold oil, transformer core and coil are housed in the inner chamber of its electric welding machine housing, and iron core and coil are immersed in the housing that cold oil is housed, and are provided with radiator outward at housing.When work, in electric welding machine, the heat of transformer obtains heat conduction by cold oil and housing and fin and distributes, thereby promotes the radiating effect of electric welding machine.China Patent No.: 02278481.0, utility model name is called: Water cooling electric welder, this Water cooling electric welder adopts water-cooling pattern, transformer coli winding be provided with between layers water stream channel, take away heat by the forced convertion of water.

Summary of the invention

The present invention is directed to the deficiency that existing electric welding machine cooling technology exists, a kind of sweating plate radiator for contravariant arc welding machine is provided, it has the board-like radiator structure of sweating, utilize welding machine shell as evaporation of water coldplate (sweating plate), make it to become natural evaporation cooling surface, and air-cooled in conjunction with welding machine inside, reach the object that improves radiating efficiency, simplified structure.

The present invention is achieved through the following technical solutions:

A kind of sweating plate radiator for contravariant arc welding machine, it comprises water tank, two dust excluding plates, sweating plate, two capillary wick plates, fin radiator and plug-in type cover plate, wherein, water tank that can storage of water is positioned at the bottommost of sweating plate radiator, two dust excluding plate left and right each are erectly connected on the two side of water tank, sweating plate is U-shaped plate, it is placed on the innermost layer of sweating plate radiator, two capillary wick plates are pressed on respectively the inner surface of two dust excluding plates and are close on two lateral walls of sweating plate, the base plane of this two capillary wicks plate is close to water tank bottom and is immersed in the water, fin radiator is fixed on the madial wall of sweating plate, on it, be fixed with the insulated gate bipolar transistor of described contravariant arc welding machine, plug-in type cover plate lid be placed in sweating plate radiator above and front/rear end.

Described sweating plate is formed by aluminium sheet bending, on the cross section at its edge, offers conduit.

Described dust excluding plate is made up of iron plate, and its rear and front end is provided with flute profile flanging, and this flute profile flanging inserts in the conduit of described sweating plate, and described capillary wick plate is intercalated in the groove of this dust excluding plate flute profile flanging, offers many grooves on described dust excluding plate.

Described plug-in type cover plate is inverted U-shaped plate, and its forward and backward facade offers respectively air inlet and air outlet, and its left and right sides is provided with the insert edge of bending, and this insert edge inserts in the conduit of described sweating plate.

Described water tank is hollow cuboid folding by iron plate and that soldering forms, its side is provided with water inlet pipe and outlet pipe, the upper edge of two short sides of this water tank is connected with respectively the flanging of inside 90 degree, and the bottom surface of this flanging and described sweating plate is connected to form the inner chamber of water tank sealing.

Described fin radiator adopts full extrusion forming process manufacture, it comprises fixed head, middle rib and some fins, wherein, on the surface of fixed head, scribble heat conductive silica gel and be fixedly connected with described sweating plate by screw, middle rib is connected on fixed head and the fixing described insulated gate bipolar transistor of a side, and some fins are connected on middle rib.

Described capillary wick plate is less than 100 object silk screens by pore-size, and nonwoven is alternately laminated forms with water suction.

Sweating plate radiator for contravariant arc welding machine of the present invention carries out work in the following manner: 1. water is strictly limited inflow and injected water tank by water inlet pipe; 2. make water be distributed in equably the left and right outer surface of sweating plate by the capillary attraction of absorb water on capillary wick plate nonwoven and silk screen layer; 3. because steam is taken away in the free convection of air, the reduction of surface vapour concentration can be accelerated the natural evaporation of sweating plate surface water, evaporation of water can be taken away heats a large amount of on sweating plate, thereby take away the heat on fin radiator, and then cooling whole sweating plate radiator, the temperature reduction of sweating plate radiator can make insulated gate bipolar transistor temperature reduce.

Compared with prior art, the present invention has following beneficial effect:

1. simple in structure: the whole device of the present invention only includes water tank, sweating plate, fin radiator, capillary wick plate, dust excluding plate, plug-in type cover plate, and these members are all manufactured simply.

2. good applicability: because sweating plate is used in electrical equipment outside, so have good applicability for most of power electrical equipment.

3. radiating efficiency is high: in the time that the present invention is used for welding machine, owing to adopting, water natural evaporation is cooling combines and dispels the heat with the air blast cooling of welding machine inside, both can utilize sensible heat heat radiation, can carry out again latent heat heat radiation, the heat of power device is blown out casing by the fan in electric welding machine except a part, another part heat passes to shell, is dealt into environment, thereby has greatly improved radiating efficiency by the free convection Evapotranspiration of water.

4. can use continuously: owing to adopting comprehensive radiating mode, heat dissipation capacity is large, can not make welding machine overtemperature, and in the time having external water source, electric welding machine can use continuously, and water consumption is less.

Brief description of the drawings

Fig. 1 is three-dimensional view of the present invention.

Fig. 2 is the A-A profile of Fig. 1.

Fig. 3 is the three-dimensional view of water tank.

Fig. 4 is the top view of the present invention that removes plug-in type cover plate.

Fig. 5 is the three-dimensional view of fin radiator and sweating plate.

Fig. 6 is the three-dimensional view of capillary wick plate.

Fig. 7 is the three-dimensional view of dust excluding plate.

Fig. 8 is the three-dimensional view of plug-in type cover plate.

In figure,

1 water tank, 2 sweating plates, 3 fin radiators, 4 capillary wick plates, 5 dust excluding plates, 6 plug-in type cover plates, 7 screws, 8 insulated gate bipolar transistors, 9 water inlet pipes, 10 outlet pipes, 11 flangings, 12 conduits, 13 water, 14 flute profile flangings, 15 insert edges, 16 grooves, 17 air inlets, 18 air outlets.

Detailed description of the invention

Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, the present embodiment has provided detailed embodiment and concrete operating process taking technical scheme of the present invention under prerequisite, but protection scope of the present invention is not limited to following embodiment.

As depicted in figs. 1 and 2, diagram comprises for the sweating plate radiator of contravariant arc welding machine: water tank 1, sweating plate 2, fin radiator 3, two capillary wick plates 4, two dust excluding plates 5 and plug-in type cover plate 6.

Described water tank 1 can be used in storage of water 13, and it is positioned at the bottommost of described sweating plate radiator.As shown in Figure 3, hollow cuboid that this water tank 1 is folding for the iron plate by 1.5~2mm and soldering forms, the long 30cm of this hollow cuboid, wide 17cm, high 3cm, its inner surface scribbles three anti-paints (waterproof, put burn into anticreep).The side of described water tank 1 is provided with water inlet pipe 9 and outlet pipe 10, the upper edge of two shorter side of this water tank is connected with respectively the flanging 11 of the level of inside 90 degree, this flanging 11 is connected or welds with the underrun bolt of described sweating plate 2, form the inner chamber that seals of water tank 1, like this can anti-sealing or steam enter the inside of electric welding machine.

As shown in Figure 2 and Figure 4, described sweating plate 2 is flat U-shaped plate, is formed by thick aluminium sheet bending, and thick aluminium plate thickness is 3~5mm, and width is 30cm, and length is 48cm.The face width of this sweating plate 2 is 14cm, and its vertical left and right wall height is 17cm, and the bottom surface of this sweating plate 2 is connected with the flanging 11 of water tank 1.Described sweating plate 2 is placed on the innermost layer of described sweating plate radiator, as shown in Figure 5, offers conduit 12 on the cross section at its edge.

Incorporated by reference to consulting Fig. 1 and Fig. 2, described two dust excluding plates 5 are made up of iron plate, are the sweating protective plates with many horizontal flutings, and its left and right each is erectly connected on the two side of water tank 1, is used for preventing that foreign matter from entering.As shown in Figure 7, described dust excluding plate 5 is of a size of long 30cm, thick 0.2cm, and high 17cm, its rear and front end is provided with flute profile flanging 14, and this flute profile flanging 14 inserts in the conduit 12 of described sweating plate 2 left and right, all seals with glue in slot junction.On described dust excluding plate 5, offer many horizontal grooves 16, as the passage of water evaporation, every long 27cm of groove 16, wide 0.6cm, interval 0.5cm between each groove 16.

Incorporated by reference to consulting Fig. 1 and Fig. 2, described two capillary wick plates 4 are intercalated in respectively in the groove of flute profile flanging 14 of described dust excluding plate 5, this two capillary wicks plate 4 is pressed on the inner surface of two dust excluding plates 5, and be close on two lateral walls of sweating plate 2, the capillary wick plate 4 in groove is tightly pressed in sweating plate 2 outer surfaces by dust excluding plate 5.As shown in Figure 6, described capillary wick plate 4 is less than 100 object silk screens by size, and nonwoven is alternately laminated forms with water suction, and its appearance and size is long 30cm, wide 3cm, high 17cm.The existing certain intensity of this capillary wick plate 4 also has water absorbing capacity, has certain toughness simultaneously, and its base plane is close to water tank bottom, and under water, relies on capillary attraction constantly from water tank, to absorb water, and evaporates on sweating plate 2 surfaces.Like this, water tank 1, sweating plate 2, capillary wick plate 4 and dust excluding plate 5 have just formed an evaporative cooling system.

Incorporated by reference to consulting Fig. 2, Fig. 4 and Fig. 5, described fin radiator 3 is fixed on the madial wall of sweating plate 2.As shown in Figure 5, described fin radiator 3 is special-shaped fin radiator, and it adopts full extrusion forming process manufacture, has certain intensity.This fin radiator 3 comprises fixed head, middle rib and some fins, and wherein, fixed head is coated after heat conductive silica gel on surface, is fixedly connected with sweating plate 2 by the high temperature resistant and high-intensity plastics screw 7 with certain thermal conductivity; Middle rib thickness is 8mm, and it is connected on fixed head, and one side is fixed with the insulated gate bipolar transistor 8 of described contravariant arc welding machine; Some fins are connected on middle rib, and heat-transfer surface is strengthened for ripple in its surface, and for the internally air-cooled heat radiation of electric welding machine, the thickness of this fin is 1mm, is highly 20~30mm.

As shown in Figure 1, described plug-in type cover plate 6 lids be placed in sweating plate radiator above and front/rear end.As shown in Figure 8, this plug-in type cover plate 6 is inverted U-shaped plate, its forward and backward facade offers respectively air inlet 17 and air outlet 18, air port is long 9cm, and wide 9cm adopts shutter, enter in order to anti-sealing and foreign matter, the left and right sides of described plug-in type cover plate 6 is provided with the insert edge 15 of bending, and this insert edge 15 inserts in the conduit 12 of described sweating plate 2, and splicing position is carried out to adhering and sealing with fluid sealant.

Practical range of the present invention is not limited to this, and the equivalence of doing according to protection domain of the present invention and description changes or modifies, and all should belong to practical range of the present invention.

Claims (7)

1. the sweating plate radiator for contravariant arc welding machine, it is characterized in that: described sweating plate radiator comprises water tank, two dust excluding plates, sweating plate, two capillary wick plates, fin radiator and plug-in type cover plate, wherein, water tank that can storage of water is positioned at the bottommost of sweating plate radiator, two dust excluding plate left and right each are erectly connected on the two side of water tank, sweating plate is U-shaped plate, it is placed on the innermost layer of sweating plate radiator, two capillary wick plates are pressed on respectively the inner surface of two dust excluding plates and are close on two lateral walls of sweating plate, the base plane of this two capillary wicks plate is close to water tank bottom and is immersed in the water, fin radiator is fixed on the madial wall of sweating plate, on it, be fixed with the insulated gate bipolar transistor of described contravariant arc welding machine, plug-in type cover plate lid be placed in sweating plate radiator above and front/rear end.
2. the sweating plate radiator for contravariant arc welding machine according to claim 1, is characterized in that: described sweating plate is formed by aluminium sheet bending, on the cross section at its edge, offers conduit.
3. the sweating plate radiator for contravariant arc welding machine according to claim 2, it is characterized in that: described dust excluding plate is made up of iron plate, its rear and front end is provided with flute profile flanging, this flute profile flanging inserts in the conduit of described sweating plate, described capillary wick plate is intercalated in the groove of this dust excluding plate flute profile flanging, offers many grooves on described dust excluding plate.
4. the sweating plate radiator for contravariant arc welding machine according to claim 2, it is characterized in that: described plug-in type cover plate is inverted U-shaped plate, its forward and backward facade offers respectively air inlet and air outlet, its left and right sides is provided with the insert edge of bending, and this insert edge inserts in the conduit of described sweating plate.
5. the sweating plate radiator for contravariant arc welding machine according to claim 1, it is characterized in that: described water tank is hollow cuboid folding by iron plate and that soldering forms, its side is provided with water inlet pipe and outlet pipe, the upper edge of two short sides of this water tank is connected with respectively the flanging of inside 90 degree, and the bottom surface of this flanging and described sweating plate is connected to form the inner chamber of water tank sealing.
6. the sweating plate radiator for contravariant arc welding machine according to claim 1, it is characterized in that: described fin radiator adopts full extrusion forming process manufacture, it comprises fixed head, middle rib and some fins, wherein, on the surface of fixed head, scribble heat conductive silica gel and be fixedly connected with described sweating plate by screw, middle rib is connected on fixed head and the fixing described insulated gate bipolar transistor of a side, and some fins are connected on middle rib.
7. the sweating plate radiator for contravariant arc welding machine according to claim 1, is characterized in that: described capillary wick plate is less than 100 object silk screens by pore-size, and nonwoven is alternately laminated forms with water suction.
CN201210449381.2A 2012-11-12 2012-11-12 Sweating plate radiator for inverter type welding machine CN102922107B (en)

Priority Applications (1)

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CN201210449381.2A CN102922107B (en) 2012-11-12 2012-11-12 Sweating plate radiator for inverter type welding machine

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Application Number Priority Date Filing Date Title
CN201210449381.2A CN102922107B (en) 2012-11-12 2012-11-12 Sweating plate radiator for inverter type welding machine

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CN102922107B true CN102922107B (en) 2014-08-20

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU474122A1 (en) * 1973-05-07 1975-06-14 Московский Институт Электронного Машиностроения Cooling device
WO2005112156A3 (en) * 2004-05-14 2006-03-30 Cambridge Consultants Apparatus for cooling a device comprising a fuel cell
CN1767181A (en) * 2005-09-14 2006-05-03 赵耀华 High-performance passive phase-change radiation system and its application
CN101210785A (en) * 2006-12-30 2008-07-02 中国科学院理化技术研究所 Bionic power drive type heat pipe radiator
CN101453859A (en) * 2007-11-29 2009-06-10 中山伟强科技有限公司 Loop type heat pipe radiator and manufacturing method thereof
CN102022629A (en) * 2009-09-21 2011-04-20 和硕联合科技股份有限公司 Light emitting device
CN102022936A (en) * 2010-11-12 2011-04-20 北京工业大学 Improved high-efficiency unidirectional heat transfer pipe used for heat dissipation of microelectronics
CN201888063U (en) * 2009-03-12 2011-06-29 莫列斯公司 The cooling device and electronic equipment
CN102166684A (en) * 2011-04-14 2011-08-31 上海交通大学 Heat dissipation device for miniature inverter type direct current (DC) electric welding machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU474122A1 (en) * 1973-05-07 1975-06-14 Московский Институт Электронного Машиностроения Cooling device
WO2005112156A3 (en) * 2004-05-14 2006-03-30 Cambridge Consultants Apparatus for cooling a device comprising a fuel cell
CN1767181A (en) * 2005-09-14 2006-05-03 赵耀华 High-performance passive phase-change radiation system and its application
CN101210785A (en) * 2006-12-30 2008-07-02 中国科学院理化技术研究所 Bionic power drive type heat pipe radiator
CN101453859A (en) * 2007-11-29 2009-06-10 中山伟强科技有限公司 Loop type heat pipe radiator and manufacturing method thereof
CN201888063U (en) * 2009-03-12 2011-06-29 莫列斯公司 The cooling device and electronic equipment
CN102022629A (en) * 2009-09-21 2011-04-20 和硕联合科技股份有限公司 Light emitting device
CN102022936A (en) * 2010-11-12 2011-04-20 北京工业大学 Improved high-efficiency unidirectional heat transfer pipe used for heat dissipation of microelectronics
CN102166684A (en) * 2011-04-14 2011-08-31 上海交通大学 Heat dissipation device for miniature inverter type direct current (DC) electric welding machine

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