CN103612046A - Electricity-generating electric welding unit - Google Patents
Electricity-generating electric welding unit Download PDFInfo
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- CN103612046A CN103612046A CN201310661931.1A CN201310661931A CN103612046A CN 103612046 A CN103612046 A CN 103612046A CN 201310661931 A CN201310661931 A CN 201310661931A CN 103612046 A CN103612046 A CN 103612046A
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- generator
- centrifugal fan
- combustion engine
- cabinet
- air
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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 an electricity-generating electric welding unit which comprises a machine case, an internal-combustion engine, a generator, a heating element, a centrifugal fan and air channels. The machine case comprises a first installing region and a second installing region which are isolated through a partition plate, the internal-combustion engine is installed in the first installing region, the generator and the heating element are installed in the second installing region, the output end of the internal-combustion engine is connected with the generator, the heating element is electrically connected with the generator, and the centrifugal fan is arranged at the output end of the internal-combustion engine in a sleeved mode. At least two through holes are formed in the partition plate, the air channels are installed in the through holes, matched with the through holes and communicated with an air inlet of the centrifugal fan, and an air outlet of the centrifugal fan is led outside the machine case. The surface temperature of the internal-combustion engine is high, the machine case is divided into two regions which are separated by the partition plate, accordingly heat emitted by the internal-combustion engine can be prevented from being transferred to the generator and the heating element, and good refrigeration effect is achieved.
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 for welding, in the situation that not needing external power source, just can realize welding, operation in the wild, electricity consumption inconvenience, pipeline welding, emergent welding has a power failure, in the situations such as engineering construction, use, there is very large convenience, obtained using widely, the cabinet of Electricity generating welder is interior by inductance, the heating elements such as rectification, when its work, need to carry out cooling, traditional Electricity generating welder is equipped with fan at cabinet top, by fan, to inner heating element and motor, carry out cooling, in actual use, easily break down, easily cause device damage, increased the cost of maintenance simultaneously, to user, caused 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, thereby Electricity generating welder has been caused to very large restriction, and, fan need to run up, service life is short, cause cabinet vibrations very serious, for heat radiation better, traditional cabinet adopts open type design, mouse and rainwater etc. easily enter into cabinet, thereby the components and parts in cabinet are caused to damage.
Summary of the invention
The object of the present invention is to provide a kind of electricity generation and electric welding unit of good cooling results.
In order to realize object of the present invention, the technical scheme of taking is:
A kind of electricity generation and electric welding unit, comprise cabinet, internal combustion engine, generator, heater element, centrifugal fan, air channel, described cabinet comprises the first installation region and the second installation region, the first installation region and the second installation region are isolated by dividing plate, internal combustion engine is installed in the first installation region, generator, heater element is installed in the second installation region, internal combustion engine output is connected with generator, heater element is electrically connected to generator, centrifugal fan is sheathed on internal combustion engine output, dividing plate is provided with at least two through holes, 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 drives internal combustion engine output that fuel combustion obtains rotates, thereby drive generator generating, the electric energy that generator sends is for heater element work, and then can weld, the surface temperature of internal combustion engine is very high, by cabinet being arranged to two regions, two regions separate by dividing plate, thereby the heat that can avoid internal combustion engine to send passes on generator and heater element, during centrifugal fan work, wind is inhaled into from the position near axle, from fan side, discharge 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 generator, reached better refrigeration.
Below technical scheme is further illustrated:
Preferably, electricity generation and electric welding unit also comprises seal, has generator installing hole on dividing plate, and described generator is installed in generator installing hole, and seal is sheathed on generator and covers described generator installing hole.By the sealing of seal, can prevent that the hot gas in the first installation region from entering in the second installation region by generator installing hole, thereby effectively reduce the temperature of second installation region internal heat generation element etc., reach a conclusion by experiment, when dividing plate and seal are not set, the surface temperature of heater element surface temperature of heater element when dividing plate and seal are set exceeds tens degree.
Preferably, described seal is silica gel or rubber seal.Silica gel or rubber seal material are soft, more simple, convenient during installation, have certain effect of heat insulation simultaneously.
Preferably, described air channel is axially tapered, and air channel comprises air channel air intake vent and the duct outlet that lays respectively at two ends, air channel, and the cross-sectional area of air channel air intake vent is greater 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 comprises electronic box, described generator and centrifugal fan are installed in electronic box, generator and centrifugal fan are coaxially installed, centrifugal fan is between generator 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.Generator and centrifugal blower are made of one the convenient installation of formula and carrying, user-friendly.
Preferably, two or more air channels are set in described cabinet, described air channel symmetry or spaced set are in generator both sides.When air channel is symmetrical arranged, can make the heater element heat radiation in the second installation region more even.
Preferably, a 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 generator, and heater element is installed on the position near cabinet air intake vent.Heater element is near cabinet air intake vent, and when air-flow has just entered cabinet, temperature is lower, and the air flow energy of lower temperature is helpful to heater element heat radiation, makes heater element better heat-radiation effect.
Advantage of the present invention is:
Fuel burns at internal combustion engine, the energy drives internal combustion engine output that fuel combustion obtains rotates, thereby drive generator generating, the electric energy that generator sends is for heater element work, and then can weld, the surface temperature of internal combustion engine is very high, by cabinet being arranged to two regions, two regions separate by dividing plate, thereby the heat that can avoid internal combustion engine to send passes on generator and heater element, during centrifugal fan work, wind is inhaled into from the position near axle, from fan side, discharge 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 generator, reached better refrigeration.
Accompanying drawing explanation
Schematic diagram when Fig. 1 is electricity generation and electric welding unit removal chassis lid of the present invention;
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 seal;
Schematic diagram when Fig. 4 is electricity generation and electric welding unit removal of the present invention 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. cabinets, 101. first installation regions, 102. second installation regions, 104. cabinet air intake vents, 200. internal combustion engines, 300. generators, 400. heater elements, 500. dividing plates, 501. through holes, 502. generator installing holes, 600. air channels, 601. air channel air intake vents, 700. seals, 800. electronic boxs, 801. electronic box air outlets, 802. centrifugal fans, 803. centrifugal fan air intake vents, 804. centrifugal fan air outlets, 900. air.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated:
As Figure 1-5, in an embodiment of the present invention, a kind of electricity generation and electric welding unit, comprise cabinet 100, internal combustion engine 200, generator 300, heater element 400, centrifugal fan 802, air channel 600, described heater element 400 comprises reactance and rectifier stack, described cabinet 100 comprises the first installation region 101 and the second installation region 102, the 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, generator 300, heater element 400 is installed in the second installation region 102, internal combustion engine 200 outputs are connected with generator 300, heater element 400 is electrically connected to generator 300, centrifugal fan 802 is sheathed on internal combustion engine 200 outputs, dividing plate 500 is provided with at least two through holes 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 is in internal combustion engine 200 internal combustion, energy drives internal combustion engine 200 outputs that fuel combustion obtains rotate, thereby drive generator 300 generatings, the electric energy that generator 300 sends is for heater element 400 work, and then can weld, the surface temperature of internal combustion engine 200 is very high, by cabinet 100 being arranged to two regions, two regions separate by dividing plate 500, thereby the heat that can avoid internal combustion engine 200 to send passes on generator 300 and heater element 400, during centrifugal fan 802 work, wind is inhaled into from the position near axle, from fan side, discharge again, by the setting in air channel 600, wind energy is better inhaled in centrifugal fan 802, be conducive to the heat radiation of cabinet 100 internal heating elements 400 and generator 300, reached better refrigeration.
Electricity generation and electric welding unit also comprises seal 700, has generator installing hole 502 on dividing plate 500, and described generator 300 is installed in generator installing hole 502, and seal 700 is sheathed on generator 300 and covers described generator installing hole 502.By the sealing of seal 700, can prevent that the hot gas in the first installation region 101 from entering in the second installation region 102 by generator installing hole 502, thereby effectively reduce the temperature of the second installation region 102 internal heat generation element 400 grades, reach a conclusion by experiment, when dividing plate 500 and seal 700 are not set, the surface temperature of heater element 400 surface temperature of heater element 400 when dividing plate 500 and seal 700 are set exceeds tens degree.
Described seal 700 is silica gel or rubber seal.Silica gel or rubber seal material are soft, more simple, convenient during installation, have certain effect of heat insulation simultaneously.
Described air channel 600 is tapered, and air channel 600 comprises air channel air intake vent 601 and the duct outlet that lays respectively at 600 two ends, air channel, and the cross-sectional area of air channel air intake vent 601 is greater 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 comprises electronic box 800, described generator 300 is installed in electronic box 800 with centrifugal fan 802, generator 300 is coaxially installed with centrifugal fan 802, centrifugal fan 802 is between generator 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 802 installation sites.Generator 300 is made of one the convenient installation of formula and carrying with centrifugal blower, user-friendly.
In the present embodiment, described air channel 600 quantity are two, and two described air channels 600 are symmetricly set in generator 300 both sides.When air channel 600 is symmetrical arranged, can make heater element 400 heat radiations in the second installation region 102 more even.In other embodiments, air channel quantity can also be more than two, and air channel can be to be symmetrical arranged also to adopt random setting.
One 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 generator 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 when air-flow has just entered cabinet 100, temperature is lower, and the air flow energy of lower temperature is helpful to heater element 400 heat radiations, makes heater element 400 better heat-radiation effect.
Electricity generation and electric welding unit contrast test is as follows:
The machine of welding current 260A, arcing time factor 50% of take is example, test power generating component surface temperature power generating component surface temperature when removing in the present invention air channel in the present invention under nominal operation state.Testing time is two hours, and tester is infrared radiation thermometer.Contrast test tables of data is as follows:
Known by experiment, 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 ℃) of rectifier cell regulation, reached cooling object, and its operating temperature position, in lower temperature, can not cause heater element 400 to occur superheating phenomenon.
After generator 300 work, air enters from cabinet air intake vent 104, after heater element 400, to heater element 400, carry out cooling, air 900 after being heated enters into electronic box 800 by being positioned at the air channel 600 of generator 300 both sides, then is discharged to outside cabinet 100 by centrifugal fan air outlet 804.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore 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, can also make some distortion and improvement, these all belong to 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, comprise cabinet, internal combustion engine, generator, heater element, centrifugal fan, air channel, described cabinet comprises the first installation region and the second installation region, the first installation region and the second installation region are isolated by dividing plate, internal combustion engine is installed in the first installation region, generator, heater element is installed in the second installation region, internal combustion engine output is connected with generator, heater element is electrically connected to generator, centrifugal fan is sheathed on internal combustion engine output, dividing plate is provided with at least two through holes, 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, is characterized in that, also comprises seal, has generator installing hole on dividing plate, and described generator is installed in generator installing hole, and seal is sheathed on generator and covers described generator installing hole.
3. electricity generation and electric welding unit according to claim 1, is characterized in that, described air channel is axially tapered, and air channel comprises air channel air intake vent and the duct outlet that lays respectively at two ends, air channel, and the cross-sectional area of air channel air intake vent is greater 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 comprise electronic box, described generator and centrifugal fan are installed in electronic box, generator and centrifugal fan are coaxially installed, centrifugal fan is between generator 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. according to the electricity generation and electric welding unit described in claim 1-4 any one, it is characterized in that, two or more air channels are set in described cabinet, and described air channel symmetry or spaced set are in generator both sides.
6. according to the electricity generation and electric welding unit described in claim 1-4 any one, it is characterized in that, one 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 generator, 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 true CN103612046A (en) | 2014-03-05 |
| CN103612046B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112041108A (en) * | 2018-02-28 | 2020-12-04 | 伊利诺斯工具制品有限公司 | Double-chamber air duct for welding type power supply |
Citations (6)
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| US5624589A (en) * | 1995-09-11 | 1997-04-29 | Illinois Tool Works Inc. | Segregated cooling air flow for engine driven welder |
| US20030042237A1 (en) * | 2001-08-28 | 2003-03-06 | Brofft Roger W. | Power box |
| US20050155959A1 (en) * | 2004-01-15 | 2005-07-21 | Lincoln Global, Inc. A Delaware Corporation | Integrated engine welder and electric compressor |
| US20090101630A1 (en) * | 2007-10-17 | 2009-04-23 | Illinois Tool Works Inc. | Engine-Generator Without Flywheel |
| 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 |
-
2013
- 2013-12-09 CN CN201310661931.1A patent/CN103612046B/en active Active
Patent Citations (6)
| 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 |
| US20030042237A1 (en) * | 2001-08-28 | 2003-03-06 | Brofft Roger W. | Power box |
| US20050155959A1 (en) * | 2004-01-15 | 2005-07-21 | Lincoln Global, Inc. A Delaware Corporation | Integrated engine welder and electric compressor |
| US20090101630A1 (en) * | 2007-10-17 | 2009-04-23 | Illinois Tool Works Inc. | Engine-Generator Without Flywheel |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112041108A (en) * | 2018-02-28 | 2020-12-04 | 伊利诺斯工具制品有限公司 | Double-chamber air duct for welding type power supply |
| CN112041108B (en) * | 2018-02-28 | 2023-12-15 | 伊利诺斯工具制品有限公司 | Double-chamber air duct for welding type power supply |
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| Publication number | Publication date |
|---|---|
| CN103612046B (en) | 2016-06-15 |
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