CN2212473Y - Gasoline engine driven pulse arc welder - Google Patents
Gasoline engine driven pulse arc welder Download PDFInfo
- Publication number
- CN2212473Y CN2212473Y CN 94248602 CN94248602U CN2212473Y CN 2212473 Y CN2212473 Y CN 2212473Y CN 94248602 CN94248602 CN 94248602 CN 94248602 U CN94248602 U CN 94248602U CN 2212473 Y CN2212473 Y CN 2212473Y
- Authority
- CN
- China
- Prior art keywords
- generator
- circuit
- pulse
- gasoline engine
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims abstract description 41
- 238000004804 winding Methods 0.000 claims description 7
- 230000004907 flux Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Arc Welding Control (AREA)
Abstract
The gasoline engine driving type pulse arc welder is a novel intermediate frequency rectification pulse arc welder which has wide application range and is suitable for welding of welding rods with various brands and adopts an integrated control circuit. The structure of the welding machine consists of a welding machine body, a gasoline generator, a control panel and a welding machine circuit device. The control panel is provided with various adjusting knobs and instruments, and the welding machine circuit device consists of a medium-frequency three-phase generator, a three-phase bridge rectifier, an excitation circuit, a control circuit, a pulse generating circuit and a connecting circuit thereof. The utility model has the characteristics of welding performance is advanced, use reliably, multiple functional, application scope is wide, long service life etc.
Description
Gasoline engine drive-type pulsed arc welder described in the utility model is a kind of wide application, is applicable to the welding of various trade mark welding rods, adopts the novel intermediate frequency commutating pulse arc welder of integrated control circuit.
In the prior art field of arc welding machine with pulsed current, mainly contain thyristor type, transistor type, field-effect tubular type at present.But the electric welding machine of the above-mentioned type all need be powered by electric power network, and existing gasoline engine drive-type welding machine does not have pulse function, does not have the field construction of mains supply field operation so can't satisfy, as places such as oil field, railway, mines; Especially can not satisfy needs, as stainless steel, potassium steel, high-strength steel etc. to the special material welding.At existing problem in the above-mentioned prior art, develop a kind of novel gasoline engine drive-type pulsed arc welder, be very necessary to overcome problems of the prior art.
In view of the problem of being deposited in the above-mentioned prior art, the purpose of this utility model is a kind of employing gasoline engine driven of development, by the intermediate frequency commutating pulse arc welder of integrated circuit control, thus the place of the open-air non-transformer welding procedure of solution oil field oil pipeline, railway potassium steel track switch, mine construction and the frequent mobile operational process of needs.
Gasoline engine drive-type pulsed arc welder provided by the utility model, its structure is made up of welding machine body, gasoline engine generator, control panel, control cabinet.Gasoline engine drive-type pulsed arc welder circuit arrangement is housed in control cabinet, control panel is housed in the outside of control cabinet.Gasoline engine generator provides working power for the pulsed arc welder circuit arrangement.The pulsed arc welder circuit arrangement is made up of intermediate frequency threephase generator (FDJ), three-phase bridge rectifier circuit (ZLD), exciting circuit (JCD), control circuit (KZD) and pulse-generating circuit (MCD) and connection line thereof; Reach the output of control generator and have the pulse welding characteristic of low-voltage, big electric current.Welding current table, pulse frequency knob, pulse current adjusting knob, pulse duty factor adjusting knob, direct current 220V current output connector, arc maintenance value adjusting knob and the quick socket of welding cable are installed on the control panel described in the utility model.Winding F among the generator G described in the utility model
1With diode D
1～D
6Be connected winding F
2Same D
7～D
12Be connected, winding F
3, F
4Q is connected with the generator magnetizing coil.Control panel synthesizes control signal with feedback signal and the inner pulse signal that produces, and is added on the generator magnetizing coil Q by No. 12 lines, with the control magnetizing flux.
Gasoline engine driving pulse arc-welding machine provided by the utility model is applicable to that no mains supply area welding low-carbon steel, medium carbon steel, high-strength steel, potassium steel, heat resisting steel, stainless steel reach the big steel construction piece of heat input sensitiveness.Be particularly suitable for the field condition welding of oil field oil pipeline, railway potassium steel track switch.Main feature of the present utility model is as follows:
1. because generator for electricity generation frequency ratio power frequency height, thus the welding machine volume little, in light weight, be convenient to move.In addition, the frequency height exports then that ripple is thinner, electric arc is soft.
2. Shu Chu pulse current waveform is a square wave.
3. but pulse frequency, pulse width are than equal step-less adjustment, easy to operate such as, pulse current and back ground current amplitude.
4. pulse frequency adjustable range 1Hz～10Hz, peak pulse duration 10%～90%.
5. it is controlled to have weld heat input, is suitable for the welding of the little heat input steel construction piece of needs and the welding operation of all places.
In sum as can be known, the unique function that the utility model had is that any other welding equipment all is difficult to realize at present.Thereby for oil field, railway and other need the department of field work to bring great convenience.The utlity model has advanced in performance, characteristics such as use is reliable, multiple functional, applied widely, cheap, long working life.The potassium steel frog that uses of railway for example, purchasing one group of new frog is more than 10,000 yuan, be 1 year service time, only is 100～500 yuan, still can continues to use 1 year that then economic benefit is considerable and adopt the utility model to repair one group of frog expense.So extensive use of the present utility model will produce huge economic benefit and positive social benefit.
The utility model has four accompanying drawings, wherein:
Accompanying drawing 1 is a gasoline engine drive-type pulsed arc welder structural representation.
Accompanying drawing 2 is side views of accompanying drawing 1.
Among the figure: 1. quick socket 11. control cabinets of welding machine body 2. gasoline engine generators 3. control panels, 4. welding current table 5. pulse frequency knobs, 6. pulse current adjusting knobs, 7. pulse duty factor adjusting knobs, 8. direct current 220V current output connectors, 9. arc maintenance value adjusting knobs, 10. welding cables.
NRJ---internal combustion engine FDJ---intermediate frequency threephase generator ZLD---three-phase bridge rectification JCD---exciting circuit KZD---control circuit MCD---pulse-generating circuit.
Specific embodiment of the utility model as shown in drawings, its structure is that gasoline engine generator (2) and control cabinet (11) are installed in welding machine body (1); Control panel (3) is equipped with in the outside of control cabinet (11), in the inside of control cabinet (11) the pulsed arc welder circuit arrangement is housed.Gasoline engine generator (2) provides working power for the pulsed arc welder circuit arrangement; The pulsed arc welder circuit arrangement is made up of intermediate frequency threephase generator (FDJ), three-phase bridge rectifier circuit (ZLD), exciting circuit (JCD), control circuit (KZD) and pulse-generating circuit (MCD) and connection line thereof; Reach the output of control generator and have the pulse welding characteristic of low-voltage, big electric current.Welding current table (4), pulse frequency knob (5), pulse current adjusting knob (6), pulse duty factor adjusting knob (7), direct current 220V current output connector (8), arc maintenance value adjusting knob (9) and the quick socket of welding cable (10) are installed on control panel (3).Operation principle of the present utility model is the main axis rotation that provides the internal combustion engine (NRJ) of energy to drive generator (FDJ) by gasoline, makes the cutting of generator armature winding obtain induced potential by the magnetic line of force of exciting circuit (JCD) generation.In addition, produce pulse signal and feedback signal is added to control circuit (KZD) by integrated impulse circuit (MCD), again by control circuit (KZD) produce control signal to exciting circuit (JCD), make the variation of magnetizing flux amount cause the variation of generator induced potential again.The generator induced potential offers the required electric energy of welding through three phase rectifier output.As seen from the above, the rotating energy that gasoline engine provides is through control circuit, and the acting in conjunction of generator and rectifier has produced and welded required pulse current and voltage.Wherein internal combustion engine (NRJ) effect is gasoline combustion is produced cylinder moving and to make main shaft do rotation at a high speed; The effect of generator (FDJ) is that rotatablely moving of main shaft made the armature winding cutting magnetic line and produce induced potential; The effect of exciting circuit (JCD) is to produce the magnetic line of force; The effect of impulse circuit (MCD) is to produce pulse signal.The effect of control circuit (KZD) is to obtain a control signal according to pulse signal, feedback signal; Control signal is added to the variation of exciting circuit with control magnetic flux, and then reaches the pulse welding characteristic that control generator output has low-voltage, big electric current.(Fig. 4) elaborates by electrical schematic diagram:
Drive generator G running by the gasoline engine rotation, make F
1, F
2, F
3, F
4Produce induced potential.F
1The induced potential that produces is the three-phase low-voltage AC, and coil is Y-connection, receives by D
1～D
6In the three-phase bridge rectifier circuit of forming, it is with F
1The three-phase alternating current that produces is transformed to direct current output, and the required low-voltage of welding, the big electric current energy are provided.F
2The induced potential that produces is the alternating current of three-phase high voltage, and coil is Y-connection; This three-phase alternating current is through fuse RD
1, RD
2, RD
3After receive by D
7～D
12In the three-phase bridge rectifier circuit of forming, it is with F
2The three-phase alternating current that produces is transformed to the output of 220V direct current, and illumination, the required 220V power supply of electric tool are provided.R
2Be discharge loop resistance, C
2Be high-frequency and high-voltage absorption circuit electric capacity, RD
1～RD
4Fuse for overcurrent protection.F
3, F
4The induced potential that produces is through D
14, D
13Direct current after the halfwave rectifier is that exciting circuit affords redress, and Q is a field winding, C
1Be filter capacitor.D
15～D
18Be single-phase bridge rectifier, behind the AC rectification that it directly produces gasoline engine as the working power of exciting circuit and control circuit.By regulator potentiometer RW
1, RW
2, RW
3, RW
4Can make pulse current, pulse frequency, the pulse width corresponding variation of back ground current do when of welding machine output, to satisfy the needs of welding procedure.Control panel synthesizes control signal with feedback signal with the inner pulse signal that produces and is added on the generator magnetizing coil Q by No. 12 lines, with the control magnetizing flux.
Claims (3)
1, a kind of gasoline engine drive-type pulsed arc welder is characterized in that being made up of welding machine body (1), gasoline engine generator (2), control panel (3), control cabinet (11); Gasoline engine drive-type pulsed arc welder circuit arrangement is housed in control cabinet (11), control panel (3) is housed in the outside of control cabinet (11); Gasoline engine generator (2) provides working power for the pulsed arc welder circuit arrangement; The pulsed arc welder circuit arrangement is made up of intermediate frequency threephase generator (FDJ), three-phase bridge rectifier circuit (ZLD), exciting circuit (JCD), control circuit (KZD) and pulse-generating circuit (MCD) and connection line thereof; Reach the output of control generator and have the pulse welding characteristic of low-voltage, big electric current.
2, gasoline engine drive-type pulsed arc welder according to claim 1 is characterized in that being equipped with welding current table (4), pulse frequency knob (5), pulse current adjusting knob (6), pulse duty factor adjusting knob (7), direct current 220V current output connector (8), arc maintenance value adjusting knob (9) and the quick socket of welding cable (10) on control panel (3).
3, gasoline engine drive-type pulsed arc welder according to claim 1 is characterized in that the winding F among the generator G
1With diode D
1～D
6Be connected; Winding F
2Same D
7～D
12Be connected winding F
3, F
4Q is connected with the generator magnetizing coil; Control panel synthesizes control signal with feedback signal and the inner pulse signal that produces, and is added on the generator magnetizing coil Q by No. 12 lines, with the control magnetizing flux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94248602 CN2212473Y (en) | 1994-12-25 | 1994-12-25 | Gasoline engine driven pulse arc welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94248602 CN2212473Y (en) | 1994-12-25 | 1994-12-25 | Gasoline engine driven pulse arc welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2212473Y true CN2212473Y (en) | 1995-11-15 |
Family
ID=33853480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94248602 Expired - Fee Related CN2212473Y (en) | 1994-12-25 | 1994-12-25 | Gasoline engine driven pulse arc welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2212473Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837114A (en) * | 2012-09-29 | 2012-12-26 | 伊达新技术电源（昆山）有限公司 | Argon arc welder |
| CN114244019A (en) * | 2021-12-16 | 2022-03-25 | 钱江集团温岭正峰动力有限公司 | Engine-driven power generation and electric welding dual-purpose machine |
-
1994
- 1994-12-25 CN CN 94248602 patent/CN2212473Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837114A (en) * | 2012-09-29 | 2012-12-26 | 伊达新技术电源（昆山）有限公司 | Argon arc welder |
| CN114244019A (en) * | 2021-12-16 | 2022-03-25 | 钱江集团温岭正峰动力有限公司 | Engine-driven power generation and electric welding dual-purpose machine |
| CN114244019B (en) * | 2021-12-16 | 2023-05-16 | 钱江集团温岭正峰动力有限公司 | Dual-purpose machine for engine driving, power generation and electric welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |