CN103612046B - Electricity generation and electric welding unit - Google Patents
Electricity generation and electric welding unit Download PDFInfo
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- CN103612046B CN103612046B CN201310661931.1A CN201310661931A CN103612046B CN 103612046 B CN103612046 B CN 103612046B CN 201310661931 A CN201310661931 A CN 201310661931A CN 103612046 B CN103612046 B CN 103612046B
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- electromotor
- air channel
- centrifugal fan
- cabinet
- installation region
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of electricity generation and electric welding unit, including cabinet, internal combustion engine, electromotor, heater element, centrifugal fan, air channel, described cabinet includes the first installation region and the second installation region, first installation region and the second installation region are isolated by dividing plate, internal combustion engine is installed in the first installation region, electromotor, heater element is installed in the second installation region, internal combustion engine outfan is connected with electromotor, heater element electrically connects with electromotor, centrifugal fan is sheathed on internal combustion engine outfan, dividing plate is provided with at least two through hole, air channel is installed in through hole and matches with through hole, air channel communicates with centrifugal fan air intake vent, centrifugal fan air outlet leads to outside cabinet. the surface temperature of internal combustion engine is significantly high, and by cabinet is arranged to two regions, two regions are separated by dividing plate, it is thus possible to avoid the heat that internal combustion engine sends to pass to reached better refrigeration on electromotor and heater element.
Description
Technical field
The present invention relates to electric welding machine technical field, particularly relate to a kind of electricity generation and electric welding unit.
Background technology
Electricity generation and electric welding unit is used for welding, welding is can be achieved with when not needing external power source, can operation in the wild, electricity consumption inconvenience, pipeline welding, have a power failure emergent welding, use when engineering construction, there is very big convenience, it is widely used in a variety of applications, by inductance in the cabinet of Electricity generating welder, the heating elements such as rectification, when its work, needs cool down, traditional Electricity generating welder at enclosure top equipped with fan, by fan, internal heating element and motor are cooled down, in actual use, easily break down, easily cause device damage, add the cost of maintenance simultaneously, cause the user inconvenience, the power of this Electricity generating welder can not be too high, when power is higher, fan can not meet the radiating requirements of equipment, thus Electricity generating welder being caused very big restriction, and, fan needs to run up, service life is short, cause cabinet vibrations very serious, in order to dispel the heat better, traditional cabinet adopts open type design, mouse and rainwater etc. are easily accessible cabinet, thus the components and parts in cabinet are caused damage.
Summary of the invention
It is an object of the invention to provide the electricity generation and electric welding unit of a kind of good cooling results.
In order to realize the purpose of the present invention, adopt the technical scheme that:
A kind of electricity generation and electric welding unit, including cabinet, internal combustion engine, electromotor, heater element, centrifugal fan, air channel, described cabinet includes the first installation region and the second installation region, first installation region and the second installation region are isolated by dividing plate, internal combustion engine is installed in the first installation region, electromotor, heater element is installed in the second installation region, internal combustion engine outfan is connected with electromotor, heater element electrically connects with electromotor, centrifugal fan is sheathed on internal combustion engine outfan, dividing plate is provided with at least two through hole, air channel is installed in through hole and matches with through hole, air channel communicates with centrifugal fan air intake vent, centrifugal fan air outlet leads to outside cabinet.
Fuel burns at internal combustion engine, the energy that fuel combustion obtains drives internal combustion engine outfan to rotate, thus drive electrical generators generating, the electric energy that electromotor sends is for heater element work, and then can weld, the surface temperature of internal combustion engine is significantly high, by cabinet being arranged to two regions, two regions are separated by dividing plate, it is thus possible to avoid the heat that internal combustion engine sends to pass on electromotor and heater element, during centrifugal fan work, wind is inhaled into from the position near axle, discharge from fan side again, by the setting in air channel, wind energy is better inhaled in centrifugal fan, be conducive to the heat radiation of cabinet inside heater element and electromotor, reach better refrigeration.
Below technical scheme is further illustrated:
Preferably, electricity generation and electric welding unit also includes sealing member, and dividing plate has electromotor installing hole, and described electromotor is installed in electromotor installing hole, and sealing member is sheathed on electromotor and covers described electromotor installing hole. By the sealing of sealing member, can prevent the steam in the first installation region from entering in the second installation region by electromotor installing hole, thus effectively reducing the temperature of the second installation region internal heat generation element etc., reach a conclusion by experiment, when being not provided with dividing plate and sealing member, the surface temperature of heater element exceeds tens degree than the surface temperature of heater element when arranging dividing plate and sealing member.
Preferably, described sealing member is silica gel or rubber seal. Silica gel or rubber seal made of soft, simpler during installation, convenient, there is certain effect of heat insulation simultaneously.
Preferably, described air channel is axially tapered, and air channel includes the air channel air intake vent and the duct outlet that lay respectively at two ends, air channel, and the cross-sectional area of air channel air intake vent is more than the cross-sectional area of duct outlet. Air channel is inner cone air channel, facilitates air-flow to enter from air channel air intake vent.
Preferably, electricity generation and electric welding unit also includes electronic box, described electromotor and centrifugal fan are installed in electronic box, electromotor and centrifugal fan are co-axially mounted, centrifugal fan is between electromotor and internal combustion engine, electronic box is provided with electronic box air outlet, and the position of electronic box air outlet is corresponding with centrifugal fan installation site. Electromotor and centrifugal blower are made of one the convenient installation of formula and carrying, it is simple to user uses.
Preferably, arranging two or more air channel in described cabinet, described air channel symmetry or spaced set are in electromotor both sides. When air channel is symmetrical arranged, the heater element heat radiation in the second installation region can be made more uniform.
Preferably, the side of the second installation region of described cabinet is provided with cabinet air intake vent, and described heater element is between cabinet air intake vent and electromotor, and heater element is installed on the position near cabinet air intake vent. Heater element is near cabinet air intake vent, and it is relatively low that air-flow has just enter into temperature during cabinet, and heater element can be dispelled the heat helpful by the air-flow of lower temperature, makes heater element better heat-radiation effect.
The invention have the advantage that
Fuel burns at internal combustion engine, the energy that fuel combustion obtains drives internal combustion engine outfan to rotate, thus drive electrical generators generating, the electric energy that electromotor sends is for heater element work, and then can weld, the surface temperature of internal combustion engine is significantly high, by cabinet being arranged to two regions, two regions are separated by dividing plate, it is thus possible to avoid the heat that internal combustion engine sends to pass on electromotor and heater element, during centrifugal fan work, wind is inhaled into from the position near axle, discharge from fan side again, by the setting in air channel, wind energy is better inhaled in centrifugal fan, be conducive to the heat radiation of cabinet inside heater element and electromotor, reach better refrigeration.
Accompanying drawing explanation
Fig. 1 is schematic diagram during electricity generation and electric welding unit of the present invention removal chassis lid;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the scheme of installation of electricity generation and electric welding unit median septum of the present invention and sealing member;
Fig. 4 is schematic diagram during electricity generation and electric welding unit of the present invention removal two ends chassis lid;
Fig. 5 is the schematic diagram of centrifugal blower in electricity generation and electric welding unit of the present invention.
100. cabinet, 101. first installation regions, 102. second installation regions, 104. cabinet air intake vent, 200. internal combustion engines, 300. electromotors, 400. heater element, 500. dividing plates, 501. through holes, 502. electromotor installing hole, 600. air channels, 601. air channel air intake vents, 700. sealing member, 800. electronic boxs, 801. electronic box air outlets, 803. centrifugal fan air intake vent, 804. centrifugal fan air outlets, 900. air.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail:
As Figure 1-5, in an embodiment of the present invention, a kind of electricity generation and electric welding unit, including cabinet 100, internal combustion engine 200, electromotor 300, heater element 400, centrifugal fan, air channel 600, described heater element 400 includes reactance and rectifier stack, described cabinet 100 includes the first installation region 101 and the second installation region 102, first installation region 101 and the second installation region 102 are isolated by dividing plate 500, internal combustion engine 200 is installed in the first installation region 101, electromotor 300, heater element 400 is installed in the second installation region 102, internal combustion engine 200 outfan is connected with electromotor 300, heater element 400 electrically connects with electromotor 300, centrifugal fan is sheathed on internal combustion engine 200 outfan, dividing plate 500 is provided with at least two through hole 501, air channel 600 is installed in through hole 501 and matches with through hole 501, air channel 600 communicates with centrifugal fan air intake vent 803, centrifugal fan air outlet 804 leads to outside cabinet 100.
Fuel burns in internal combustion engine 200, the energy that fuel combustion obtains drives internal combustion engine 200 outfan to rotate, thus drive electrical generators 300 generates electricity, the electric energy that electromotor 300 sends works for heater element 400, and then can weld, the surface temperature of internal combustion engine 200 is significantly high, by cabinet 100 being arranged to two regions, two regions are separated by dividing plate 500, it is thus possible to avoid the heat that internal combustion engine 200 sends to pass on electromotor 300 and heater element 400, during centrifugal fan work, wind is inhaled into from the position near axle, discharge from fan side again, setting by air channel 600, wind energy is better inhaled in centrifugal fan, be conducive to the heat radiation of cabinet 100 internal heating element 400 and electromotor 300, reach better refrigeration.
Electricity generation and electric welding unit also includes sealing member 700, and dividing plate 500 has electromotor installing hole 502, and described electromotor 300 is installed in electromotor installing hole 502, and sealing member 700 is sheathed on electromotor 300 and covers described electromotor installing hole 502. Sealing by sealing member 700, can prevent the steam in the first installation region 101 from entering in the second installation region 102 by electromotor installing hole 502, thus effectively reducing the temperature of the second installation region 102 internal heat generation element 400 grade, reach a conclusion by experiment, when being not provided with dividing plate 500 and sealing member 700, the surface temperature of heater element 400 exceeds tens degree than the surface temperature of heater element 400 when arranging dividing plate 500 and sealing member 700.
Described sealing member 700 is silica gel or rubber seal. Silica gel or rubber seal made of soft, simpler during installation, convenient, there is certain effect of heat insulation simultaneously.
Described air channel 600 is tapered, and air channel 600 includes the air channel air intake vent 601 and the duct outlet that lay respectively at two ends, air channel 600, and the cross-sectional area of air channel air intake vent 601 is more than the cross-sectional area of duct outlet.Air channel 600 is inner cone air channel, facilitates air-flow to enter from air channel air intake vent 601.
Electricity generation and electric welding unit also includes electronic box 800, described electromotor 300 is installed in electronic box 800 with centrifugal fan, electromotor 300 and centrifugal fan are co-axially mounted, centrifugal fan is between electromotor 300 and internal combustion engine 200, electronic box 800 is provided with electronic box air outlet 801, and the position of electronic box air outlet 801 is corresponding with centrifugal fan installation site. Electromotor 300 and centrifugal blower are made of one the convenient installation of formula and carrying, it is simple to user uses.
In the present embodiment, described air channel 600 quantity is two, and two described air channels 600 are symmetricly set in electromotor 300 both sides. When air channel 600 is symmetrical arranged, the heater element 400 in the second installation region 102 can be made to dispel the heat more uniform. In other embodiments, air channel quantity can also is that two or more, and air channel can be symmetrical arranged to adopt to be randomly provided.
The side of the second installation region 102 of described cabinet 100 is provided with cabinet air intake vent 104, and described heater element 400 is between cabinet air intake vent 104 and electromotor 300, and heater element 400 is installed on the position near cabinet air intake vent 104. Heater element 400 is near cabinet air intake vent 104, and it is relatively low that air-flow has just enter into temperature during cabinet 100, and heater element 400 can be dispelled the heat helpful by the air-flow of lower temperature, makes heater element 400 better heat-radiation effect.
Electricity generation and electric welding unit contrast test is as follows:
For the machine of welding current 260A, arcing time factor 50%, test power generating component surface temperature and power generating component surface temperature when removing air channel in the present invention in the present invention in a rated operation. Testing time is two hours, and test instrunment is infrared radiation thermometer. Contrast test tables of data is as follows:
Known by experiment, the electricity generation and electric welding unit of the present invention is after work two hours, enter thermal equilibrium state, reactance surface temperature and rectifier stack surface temperature are all in the operating temperature range (-40～+125 DEG C) that rectifier cell specifies, reach the purpose of cooling, and its operating temperature position is in relatively low temperature, it is not result in heater element 400 and superheating phenomenon occurs.
After electromotor 300 work, air enters from cabinet air intake vent 104, after heater element 400, heater element 400 is cooled down, air 900 after being heated enters into electronic box 800 by being positioned at the air channel 600 of electromotor 300 both sides, is discharged to outside cabinet 100 again through centrifugal fan air outlet 804.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. an electricity generation and electric welding unit, it is characterized in that, including cabinet, internal combustion engine, electromotor, heater element, centrifugal fan, air channel, described cabinet includes the first installation region and the second installation region, first installation region and the second installation region are isolated by dividing plate, internal combustion engine is installed in the first installation region, electromotor, heater element is installed in the second installation region, the side of the second installation region of described cabinet is provided with cabinet air intake vent, internal combustion engine outfan is connected with electromotor, heater element electrically connects with electromotor, centrifugal fan is sheathed on internal combustion engine outfan, dividing plate is provided with at least two through hole, air channel is installed in through hole and matches with through hole, air channel communicates with centrifugal fan air intake vent, centrifugal fan air outlet leads to outside cabinet.
2. electricity generation and electric welding unit according to claim 1, it is characterised in that also include sealing member, dividing plate has electromotor installing hole, and described electromotor is installed in electromotor installing hole, and sealing member is sheathed on electromotor and covers described electromotor installing hole.
3. electricity generation and electric welding unit according to claim 1, it is characterised in that described air channel is axially tapered, air channel includes the air channel air intake vent and the duct outlet that lay respectively at two ends, air channel, and the cross-sectional area of air channel air intake vent is more than the cross-sectional area of duct outlet.
4. electricity generation and electric welding unit according to claim 1, it is characterized in that, also include electronic box, described electromotor and centrifugal fan are installed in electronic box, electromotor and centrifugal fan are co-axially mounted, centrifugal fan is between electromotor and internal combustion engine, and electronic box is provided with electronic box air outlet, and the position of electronic box air outlet is corresponding with centrifugal fan installation site.
5. the electricity generation and electric welding unit according to any one of claim 1-4, it is characterised in that arrange at least two air channel in described cabinet, described air channel symmetry or spaced set are in electromotor both sides.
6. the electricity generation and electric welding unit according to claim 3 or 4, it is characterised in that described heater element is between cabinet air intake vent and electromotor, and heater element is installed on the position near cabinet air intake vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310661931.1A CN103612046B (en) | 2013-12-09 | 2013-12-09 | Electricity generation and electric welding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310661931.1A CN103612046B (en) | 2013-12-09 | 2013-12-09 | Electricity generation and electric welding unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103612046A CN103612046A (en) | 2014-03-05 |
| CN103612046B true CN103612046B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310661931.1A Active CN103612046B (en) | 2013-12-09 | 2013-12-09 | Electricity generation and electric welding unit |
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| Country | Link |
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| CN (1) | CN103612046B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10925194B2 (en) * | 2018-02-28 | 2021-02-16 | Illinois Tool Works Inc. | Dual chamber wind tunnels for a welding-type power source |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5624589A (en) * | 1995-09-11 | 1997-04-29 | Illinois Tool Works Inc. | Segregated cooling air flow for engine driven welder |
| CN202147078U (en) * | 2011-07-13 | 2012-02-22 | 李俊永 | Small-sized inverter electric welder with high heat dissipation property |
| CN203830936U (en) * | 2013-12-09 | 2014-09-17 | 上海气焊机厂有限公司 | Power generation electric welding set |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6660967B2 (en) * | 2001-08-28 | 2003-12-09 | Senco Products, Inc. | Power box |
| US6992265B2 (en) * | 2004-01-15 | 2006-01-31 | Lincoln Global, Inc. | Integrated engine welder and electric compressor |
| US9065305B2 (en) * | 2007-10-17 | 2015-06-23 | Illinois Tool Works Inc. | Engine-generator without flywheel |
-
2013
- 2013-12-09 CN CN201310661931.1A patent/CN103612046B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5624589A (en) * | 1995-09-11 | 1997-04-29 | Illinois Tool Works Inc. | Segregated cooling air flow for engine driven welder |
| CN202147078U (en) * | 2011-07-13 | 2012-02-22 | 李俊永 | Small-sized inverter electric welder with high heat dissipation property |
| CN203830936U (en) * | 2013-12-09 | 2014-09-17 | 上海气焊机厂有限公司 | Power generation electric welding set |
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| CN103612046A (en) | 2014-03-05 |
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