CN204295103U - Gas-shielded welder - Google Patents
Gas-shielded welder Download PDFInfo
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- CN204295103U CN204295103U CN201420657166.6U CN201420657166U CN204295103U CN 204295103 U CN204295103 U CN 204295103U CN 201420657166 U CN201420657166 U CN 201420657166U CN 204295103 U CN204295103 U CN 204295103U
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Abstract
The utility model discloses a kind of gas-shielded welder, relate to welding machine technical field, comprise: a housing, described housing is provided with display control unit, wire-feed motor Power conversion board, power input, also comprise in described housing: a control device is arranged in described housing, described control device and described display unit, described wire-feed motor supply unit, described power input connects, described control device comprises: the power transformer connected successively, LC absorption plant, a rectifying and wave-filtering mechanism, inverter mechanism, main transformer, secondary rectifying and wave-filtering mechanism, a PWM adjusting device is connected with between the output of described secondary rectifying and wave-filtering mechanism and the feedback end of described inverter mechanism.Adopt IGBT inversion transformation technique, improve operating frequency and make machine operation more efficient, adopt the design of high-power IGBT Dual module, product reliability is higher, amount of redundancy is larger.
Description
Technical field
The utility model relates to a kind of welding machine, particularly relates to a kind of gas-shielded welder.
Background technology
Along with the lifting welder equipment field of China's assembling manufacturing industry technical merit can not to have met the technical requirement of China's assembling manufacturing industry to the manual welding that scale, high parameter, precise treatment future development are traditional; in recent years, especially the development of inverter type gas-shielded welder is accompanied concerned.Current gas-shielded welder adopts controlled silicon industrial frequency rectifier power source greatly, by U=4.44FNBS formula (wherein U indication transformer input voltage, F represents operating frequency, N represents the coiling number of turn, B represents magnetic flux, the sectional area of S indication transformer iron core).Known: in the constant situation of UBN, F increases, then S reduces.Power frequency is 50HZ, and IGBT module (IGBT Power Module is called for short IGBT module), its switching frequency can reach 20000HZ, visible under other identical conditions, the volume of IGBT module inversion main transformer, comparable controlled silicon industrial frequency rectification main transformer is little about 400 times, and visible controlled silicon industrial frequency rectifier power source i.e. consumptive material volume but also large, weight also weigh.
Utility model content
The utility model discloses a kind of gas-shielded welder, gas-shielded welder volume in prior art be large in order to solve, the problem of Heavy Weight.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
A kind of gas-shielded welder, wherein, comprise: a housing, described housing is provided with display control unit, wire-feed motor Power conversion board, power input, also comprise in described housing: a control device is arranged in described housing, described control device and described display unit, described wire-feed motor supply unit, described power input connects, described control device comprises: the power transformer connected successively, LC absorption plant, a rectifying and wave-filtering mechanism, inverter mechanism, main transformer, secondary rectifying and wave-filtering mechanism, a PWM adjusting device is connected with between the output of described secondary rectifying and wave-filtering mechanism and the feedback end of described inverter mechanism.
Gas-shielded welder described above, wherein, described housing bottom is provided with walking mechanism; Described housing comprises: front panel, rear board, left panel, right panel, top panel, lower panel, also comprises a la m in described housing.
Gas-shielded welder described above, wherein, described display control unit is arranged on described front panel, and described display control unit comprises: display board, front board-like red binding post, front board-like black binding post; Described display board comprises: electric welding/gas protects weldering selector switch, ammeter, voltmeter, under-voltage protection indicator lamp, power supply indicator, welding current potentiometer, electronic inductance potentiometer, under-voltage protection indicator lamp; Described front panel is also provided with: ventilating opening, aviation socket; Described power input is arranged on described rear board, and described power input comprises: power input stand, three-phase power line compression strip, air switch; Described rear board is also provided with: blower fan, grounding screw, heater input seat.
Gas-shielded welder described above, wherein, a described rectifying and wave-filtering mechanism comprises: three-phase commutation bridge radiator, three-phase commutation bridge, filter capacitor.
Gas-shielded welder described above, wherein, described three-phase commutation bridge radiator is arranged on the top of described la m, near described front panel, be provided with described three-phase commutation bridge above described three-phase commutation bridge radiator, described filter capacitor is arranged between described three-phase commutation bridge and described rear board.
Gas-shielded welder described above, wherein, described inverter mechanism comprises: IGBT module driving, two IGBT module, IGBT module baffle, described IGBT module drive installation is close described front panel place below described la m, described two IGBT module are installed in above described IGBT radiator, and described IGBT module baffle is placed between described two IGBT module.
Gas-shielded welder described above, wherein, described main transformer is placed in below described la m, and described main transformer is placed between described IGBT radiator and described front panel.
Gas-shielded welder described above, wherein, described secondary rectifying and wave-filtering mechanism comprises: two secondary cowling panels, copper strips, output absorption, outputting inductance, and described two secondary cowling panels are all arranged on above described secondary rectification radiator.
Gas-shielded welder described above, wherein, described copper ribbon continuous is connected between described secondary rectification radiator and described front board-like red binding post, described lower panel between described front panel and described IGBT radiator is provided with outputting inductance, described power transformer is arranged between described filter capacitor and front panel, also comprise a PWM adjusting device support, described PWM adjusting device is propped up and is set up on the upside of power transformer, and described PWM adjusting device is installed on above PWM adjusting device support by plastic column.
Gas-shielded welder described above, wherein, described wire-feed motor Power conversion board is located in square on the right side of PWM adjusting device support, and described LC absorption plant comprises: be arranged on the air switch on described la m, is arranged on the three-phase filter capacitor below described la m and three-phase pulsactor.
In sum, owing to have employed technique scheme, the utility model solves that gas-shielded welder volume in prior art is large, the problem of Heavy Weight, adopt IGBT inversion transformation technique, improving operating frequency makes machine operation more efficient, adopt the design of high-power IGBT Dual module, product reliability is higher, amount of redundancy is larger, adopt accurate hard switching control technology, ensure the stability of output current, unique Duct design, make machine account for the rate of carrying higher, front and back panel adopts moulds shell design, and outward appearance is novel and beautiful more.From foot wheel, machine moves convenient, and gas is protected weldering state and shown voltage accurately, makes client more be convenient to regulate, carries manual welding/gouge function, realize a tractor serves several purposes.
Accompanying drawing explanation
Fig. 1 is the structure front-view schematic diagram of the utility model gas-shielded welder;
Fig. 2 is the structure schematic rear view of the utility model gas-shielded welder;
Fig. 3 is that schematic diagram is looked on a structure left side for the utility model gas-shielded welder;
Fig. 4 is that schematic diagram is looked on the structure right side of the utility model gas-shielded welder;
Fig. 5 is the structured flowchart of the control device of the utility model gas-shielded welder.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further:
Fig. 1 is the structure front-view schematic diagram of the utility model gas-shielded welder, Fig. 2 is the structure schematic rear view of the utility model gas-shielded welder, Fig. 3 is that schematic diagram is looked on a structure left side for the utility model gas-shielded welder, Fig. 4 is that schematic diagram is looked on the structure right side of the utility model gas-shielded welder, Fig. 5 is the structured flowchart of the control device of the utility model gas-shielded welder, refer to Fig. 1 ~ Fig. 5, a kind of gas-shielded welder, wherein, comprise: a housing 40, housing 40 is provided with display control unit, wire-feed motor Power conversion board 312, power input, also comprise in housing 40: a control device is arranged in housing 40, control device and display unit, wire-feed motor supply unit, power input connects, control device comprises: the power transformer 5 connected successively, LC absorption plant 205, a rectifying and wave-filtering mechanism 201, inverter mechanism 202, main transformer 4, secondary rectifying and wave-filtering mechanism 203, a PWM adjusting device 204 is connected with between the output of secondary rectifying and wave-filtering mechanism 203 and the feedback end of inverter mechanism 202.
Bottom housing 40 of the present utility model, walking mechanism is installed; Can realize of the present utility model moving freely by walking mechanism, housing 40 comprises: front panel 601, rear board 602, left panel, right panel, top panel, lower panel 607, also comprises a la m 606 in housing 40.
Further, walking mechanism of the present utility model comprises four castors 319.
Display control unit of the present utility model is arranged on front panel 601, and display control unit comprises: display board 6, front board-like red binding post 8, front board-like black binding post 9; Display board 6 comprises: electric welding/gas protects weldering selector switch 101, ammeter 104, voltmeter 105, under-voltage protection indicator lamp 102, power supply indicator 103, welding current potentiometer 113, electronic inductance potentiometer, under-voltage protection indicator lamp 102; Front panel 601 is also provided with: ventilating opening 7, aviation socket 10, ventilating opening 7 can select different shapes to arrange according to different panels; Power input is arranged on rear board 602, and power input comprises: power input stand, three-phase power line compression strip 108, air switch 109; Rear board 602 is also provided with: blower fan 110, grounding screw 111, heater input seat 112, three phase mains compression strip 108 is arranged on immediately below power input stand.
Further, front panel of the present invention also has machine LOGO marked position 11.
A rectifying and wave-filtering mechanism 201 of the present utility model comprises: three-phase commutation bridge 302 radiator, three-phase commutation bridge 302, filter capacitor 303.
Three-phase commutation bridge 302 radiator of the present utility model is arranged on the top of la m 606, near front panel 601, is provided with three-phase commutation bridge 302 above three-phase commutation bridge 302 radiator, filter capacitor 303 be arranged between three-phase commutation bridge 302 and rear board 602.
Inverter mechanism 202 of the present utility model comprises: IGBT module drives 304, two IGBT module 305, IGBT module baffle 307, IGBT module drive 304 to be arranged on below la m 606 near front panel 601 place, two IGBT module 305 are installed in above IGBT radiator, and IGBT module baffle 307 is placed between two IGBT module 305.
Main transformer 4 of the present utility model is placed in below la m 606, and main transformer 4 is placed between IGBT radiator and front panel.
Secondary rectifying and wave-filtering mechanism 203 of the present utility model comprises: two secondary cowling panels 308, copper strips, output absorption 311, outputting inductance 3, two secondary cowling panel 308 are all arranged on above secondary rectification radiator 1.
Copper ribbon continuous of the present utility model is connected between secondary rectification radiator 1 and front board-like red binding post 8, the power transformer 5 lower panel 607 between front panel 601 and IGBT radiator being provided with outputting inductance 3 is arranged between filter capacitor 303 and front panel 601, also comprise a PWM adjusting device support 313, PWM adjusting device support 313 is located on the upside of power transformer 5, and PWM adjusting device 204 is installed on above PWM adjusting device support 313 by plastic column.
Wire-feed motor Power conversion board 312 of the present utility model is located on the right side of PWM adjusting device support 313 in square, LC absorption plant 205 comprise: be arranged on the air switch 109 on la m 606, be arranged on three-phase filter capacitor below la m 606 303 and three-phase pulsactor.
Fig. 5 is the structured flowchart of the control device of the utility model gas-shielded welder, refer to Fig. 5, in an embodiment of the present utility model, the utility model can adopt following steps to run: by 50HZ(380V) alternating current is by LC filter filtering mains by harmonics, passing through a rectifying and wave-filtering mechanism 201, to 50HZ(380V be exchanged) commercial power through rectifier bridge carry out rectification make AC conversion be pulsation direct current, again by filter capacitor filtering ripple wherein, make to be output into more level and smooth direct current, then, by IGBT module 305 by 50HZ(380V) more level and smooth DC conversion is the rectangle pulsating volage of 20000HZ, reduce the voltage for being applicable to welding being made output voltage by main transformer 4 and carry out isolating with front stage.Finally, make output obtain more level and smooth direct current entering outputting inductance 3 square-wave voltage exported by main transformer 4 by secondary rectifying and wave-filtering mechanism 203 is converted into the direct current of pulsation by secondary cowling panel 308 after, wherein drive 304 to control to adjust with PWM adjusting device 204 by IGBT module.
Claims (10)
1. a gas-shielded welder, it is characterized in that, comprise: a housing, described housing is provided with display control unit, wire-feed motor Power conversion board, power input, also comprise in described housing: a control device is arranged in described housing, described control device and described display unit, described wire-feed motor supply unit, described power input connects, described control device comprises: the power transformer connected successively, LC absorption plant, a rectifying and wave-filtering mechanism, inverter mechanism, main transformer, secondary rectifying and wave-filtering mechanism, a PWM adjusting device is connected with between the output of described secondary rectifying and wave-filtering mechanism and the feedback end of described inverter mechanism.
2. gas-shielded welder according to claim 1, is characterized in that, described housing bottom is provided with walking mechanism; Described housing comprises: front panel, rear board, left panel, right panel, top panel, lower panel, also comprises a la m in described housing.
3. gas-shielded welder according to claim 2, is characterized in that, described display control unit is arranged on described front panel, and described display control unit comprises: display board, front board-like red binding post, front board-like black binding post; Described display board comprises: electric welding/gas protects weldering selector switch, ammeter, voltmeter, under-voltage protection indicator lamp, power supply indicator, welding current potentiometer, electronic inductance potentiometer, under-voltage protection indicator lamp; Described front panel is also provided with: ventilating opening, aviation socket; Described power input is arranged on described rear board, and described power input comprises: power input stand, three-phase power line compression strip, air switch; Described rear board is also provided with: blower fan, grounding screw, heater input seat.
4. gas-shielded welder according to claim 3, is characterized in that, a described rectifying and wave-filtering mechanism comprises: three-phase commutation bridge radiator, three-phase commutation bridge, filter capacitor.
5. gas-shielded welder according to claim 4, it is characterized in that, described three-phase commutation bridge radiator is arranged on the top of described la m, near described front panel, be provided with described three-phase commutation bridge above described three-phase commutation bridge radiator, described filter capacitor is arranged between described three-phase commutation bridge and described rear board.
6. gas-shielded welder according to claim 5, it is characterized in that, described inverter mechanism comprises: IGBT module driving, two IGBT module, IGBT module baffle, described IGBT module drive installation is close described front panel place below described la m, described two IGBT module are installed in above described IGBT radiator, and described IGBT module baffle is placed between described two IGBT module.
7. gas-shielded welder according to claim 6, is characterized in that, described main transformer is placed in below described la m, and described main transformer is placed between described IGBT radiator and described front panel.
8. gas-shielded welder according to claim 7, is characterized in that, described secondary rectifying and wave-filtering mechanism comprises: two secondary cowling panels, copper strips, output absorption, outputting inductance, and described two secondary cowling panels are all arranged on above described secondary rectification radiator.
9. gas-shielded welder according to claim 8, it is characterized in that, described copper ribbon continuous is connected between described secondary rectification radiator and described front board-like red binding post, described lower panel between described front panel and described IGBT radiator is provided with outputting inductance, described power transformer is arranged between described filter capacitor and front panel, also comprise a PWM adjusting device support, described PWM adjusting device is propped up and is set up on the upside of power transformer, and described PWM adjusting device is installed on above PWM adjusting device support by plastic column.
10. gas-shielded welder according to claim 9, it is characterized in that, described wire-feed motor Power conversion board is located on the right side of PWM adjusting device support in square, described LC absorption plant comprises: be arranged on the air switch on described la m, is arranged on the three-phase filter capacitor below described la m and three-phase pulsactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420657166.6U CN204295103U (en) | 2014-11-06 | 2014-11-06 | Gas-shielded welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420657166.6U CN204295103U (en) | 2014-11-06 | 2014-11-06 | Gas-shielded welder |
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| Publication Number | Publication Date |
|---|---|
| CN204295103U true CN204295103U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420657166.6U Active CN204295103U (en) | 2014-11-06 | 2014-11-06 | Gas-shielded welder |
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| CN (1) | CN204295103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396607A (en) * | 2018-12-05 | 2019-03-01 | 浙江肯得机电股份有限公司 | A kind of inversion multifunctional welding machine |
-
2014
- 2014-11-06 CN CN201420657166.6U patent/CN204295103U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396607A (en) * | 2018-12-05 | 2019-03-01 | 浙江肯得机电股份有限公司 | A kind of inversion multifunctional welding machine |
| CN109396607B (en) * | 2018-12-05 | 2024-01-19 | 浙江肯得机电股份有限公司 | Inversion multifunctional welding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Pan Jianzhong Inventor before: Guo Shaopeng Inventor before: Zhang Tongmiao |