CN202622191U - Contravariant DC (Direct Current) multifunctional electric welding machine - Google Patents
Contravariant DC (Direct Current) multifunctional electric welding machine Download PDFInfo
- Publication number
- CN202622191U CN202622191U CN 201220111607 CN201220111607U CN202622191U CN 202622191 U CN202622191 U CN 202622191U CN 201220111607 CN201220111607 CN 201220111607 CN 201220111607 U CN201220111607 U CN 201220111607U CN 202622191 U CN202622191 U CN 202622191U
- Authority
- CN
- China
- Prior art keywords
- circuit
- high frequency
- welding machine
- power
- printed substrate
- 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
Images
Abstract
The utility model discloses a contravariant DC (Direct Current) multifunctional electric welding machine which comprises a box body and a fan, wherein the fan is arranged at the rear side of the box body; an upper printed circuit board, a heat radiator, a middle printed circuit board and a lower printed circuit board which are sequentially connected are arranged in the box body from top to bottom; and the front panel of the box body is provided with a pair of electric soldering pliers connected with a cathode quick joint, an argon arc welding gun connected with an aviation socket and a pneumoelectric joint, and an earth clamp connected with an anode quick joint. The contravariant DC multifunctional electric welding machine can be used for realizing three functions of manual cutting, argon arc cutting and plasma cutting, is multifunctional, can be used for increasing the fusion depth and fusion width of a welding seam, and is simple in circuit, high in reliability, convneient to maintain, small in size, light in weight, convenient to carry, energy-saving and improved in working efficiency.
Description
Technical field
The utility model relates to the electric welding machine field, particularly a kind of inversion direct current multifunction electric welding machine.
Background technology
In recent years, along with high speed development of national economy, the every field of semi-automatic arc welder in national economy obtained using widely; Now widely used semi-automatic arc welder is carrying out small-scale when welding on the market; When the transition state was in the short circuiting transfer state, the molten wide degree of weld seam was not enough, and the fusion penetration degree of depth is not enough; Cause appearance of weld bad, general welding machine can only use welding rod not have argon arc and cutting function not to meet the need of market.
The utility model content
In order to overcome the defective that above-mentioned prior art exists, the utility model provides a kind of inversion direct current multifunction electric welding machine, and a tractor serves several purposes is more energy-conservation, has improved operating efficiency.
To achieve these goals, the technical scheme of the utility model is following:
A kind of inversion direct current multifunction electric welding machine; Comprise face shield, handle, power line, casing, fan; Handle places tank ends, and the casing both sides are provided with face shield, and power line places cabinet rear panel; Fan places rear side in the casing; It is characterized in that, upper plate printed substrate, radiator, middle plate printed substrate, the lower plate printed substrate that connects successively is set in the said casing from top to bottom, the earth clip that the casing front panel is provided with the electrode holders that are connected with negative electrode snap joint, the argon-arc welding gun that is connected with the gentle electric connection of aviation socket successively, is connected with anode snap joint.
The said upper plate printed substrate of the utility model is made up of high frequency power pipe, pulse-width modulation circuit, power supply circuit, control chip, power tube drive circuit, temperature protection circuit, current foldback circuit, LED indicating circuit; The high frequency power pipe is connected with power tube drive circuit; Pulse-width modulation circuit one end is connected with power tube drive circuit signal of the same name; The other end is connected with current foldback circuit; Power supply circuit is connected with power tube drive circuit signal of the same name, and current foldback circuit is connected with temperature protection circuit, LED indicating circuit signal of the same name, and control chip is connected with power tube drive circuit signal of the same name.
The plate printed substrate was made up of high frequency transformer, output rectification circuit, filter circuit and function conversion circuit during the utility model was said; High frequency transformer, output rectification circuit are connected with lower plate printed substrate signal of the same name; High frequency transformer elementary with the upper plate printed substrate on the high frequency power pipe be connected; High frequency transformer is secondary, output rectification circuit, filter circuit connect successively; Signal SORTIE+ is connected with earth clip, electrode holders respectively with SORTIE-, and function conversion circuit is connected to form by relay.
The said lower plate printed substrate of the utility model is made up of power rectifier circuit, high-frequency arc strike power supply; Power rectifier circuit is connected with high frequency power pipe on the upper plate printed substrate; The high-frequency arc strike power supply comprises high frequency transformer, high-voltage diode D1-8, high-voltage capacitance C1-8, the hf arc starter that connects successively, and said hf arc starter is connected with middle plate striking coil.
The said pulse-width modulation circuit of the utility model is composed in series with control chip U1, control chip U2 after the parallel connection by capacitor C 5 and resistance R 6 parallel connections again; Power tube drive circuit is connected to form by triode, fet power pipe G1-4 and driving transformer successively, drives the high frequency power pipe respectively through resistance R 30-42; Power supply circuit is connected to form by transformer B1, power tube G5, capacitor C 31-34, resistance R 43-45, Zener diode D31, D32, photoelectricity lotus root and three terminal regulator successively, and Dc capacitor C 35 provides power supply for said power tube drive circuit and control circuit; Temperature protection circuit, current foldback circuit be by diode D33-41, D2, D3, controllable silicon VT11, and resistance R 1-4, R46, R47 connect to form successively, and the LED indicating circuit is connected to form by capacitor C 2, C3, LED light.
The said filter circuit of the utility model is connected to form by inductance L 1, L2, and output rectification circuit is by the output commutation diode and high frequency transformer is secondary connects to form successively.
The beneficial effect of the utility model is; Can realize craft, argon arc, three kinds of purposes of plasma cutting; A tractor serves several purposes, and the fusion penetration degree of depth of weld seam and molten wide degree increase, circuit is simple, reliability is high; Easy to maintenance, volume is little, in light weight, easy to carry, energy-conservation, improved operating efficiency.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the utility model casing front view;
Fig. 3 is the utility model casing rearview;
Fig. 4 is the utility model upper plate printed substrate circuit diagram;
Fig. 5 is a plate printed substrate circuit diagram in the utility model;
Fig. 6 is plate printed substrate function conversion circuit figure in the utility model;
Fig. 7 is the utility model lower plate printed substrate power rectifier circuit figure;
Fig. 8 is the utility model lower plate printed substrate high-frequency arc strike power circuit diagram.
Among the figure, 1, handle, 2, casing, 3, face shield, 4, front panel, 5, rear board, 6, fan; 7, upper plate printed substrate, 8, radiator, 9, middle plate printed substrate, 10, the lower plate printed substrate, 11, electrode holders, 12, cutting gun; 13, argon-arc welding gun, 14, earth clip, 15, power line, 16, switch, 17, negative electrode snap joint, 18, the pneumoelectric joint; 19, anode snap joint, 20, the aviation socket, 21, potentiometer, 22, change-over switch, 23, indicator lamp, 24, digital wash.
The specific embodiment:
For the creation characteristic, the technological means that make the utility model and reach purpose and be easy to understand and understand, further set forth the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2, Fig. 3; A kind of inversion direct current multifunction electric welding machine; Comprise face shield 3, handle 1, power line 15, casing 2, fan 6, upper plate printed substrate 7, middle plate printed substrate 9, lower plate printed substrate 10, aviation socket 20, snap joint, pneumoelectric joint 18, earth clip 14, argon-arc welding gun 13, electrode holders 11; Handle 1 places casing 2 two ends; Casing 2 both sides are provided with face shield 3; Power line 15 places casing 2 rear boards 5; Fan 6 places rear side in the casing 2, and upper plate printed substrate 7, radiator 8, middle plate printed substrate 9, lower plate printed substrate 10 place from top to bottom successively in the casing 2 and successively and connect, and casing 2 front panels 4 are provided with the electrode holders 11 that are connected with negative electrode snap joint 17, the argon-arc welding gun 13 that is connected with aviation socket 20 gentle electric connections 18, the earth clip 14 that is connected with anode snap joint 19 successively; Casing 2 front panels 4 also are provided with indicator lamp 23, digital wash 24, change-over switch 22, potentiometer 21, and casing 2 rear boards 5 also are provided with switch 16.
As shown in Figure 4; Upper plate printed substrate 7 is made up of high frequency power pipe, pulse-width modulation circuit, power supply circuit, control chip, power tube drive circuit, temperature protection circuit, current foldback circuit, LED indicating circuit; The high frequency power pipe is connected with power tube drive circuit; Pulse-width modulation circuit one end is connected with power tube drive circuit signal of the same name, and the other end is connected with current foldback circuit, and power supply circuit is connected with power tube drive circuit signal of the same name; Current foldback circuit is connected with temperature protection circuit, LED indicating circuit signal of the same name, and control chip is connected with power tube drive circuit signal of the same name.Said pulse-width modulation circuit is composed in series with control chip U1, control chip U2 after the parallel connection by capacitor C 5 and resistance R 6 parallel connections again; Power tube drive circuit comprises triode Q1, Q2, Y1, Y2, diode D5-D8, resistance R 7, R8; Capacitor C 6, C7; Meet the resistance R 9, the R10 that drive signal power pipe G1-4, MOS resistance R 26, capacitor C 21 connects driving transformer; Driving transformer is connected with capacitor C 22-30, Zener diode D9-13, resistance R 21-29, diode D14-22, drives the high frequency power pipe respectively through resistance R 30-42; Power supply circuit is connected to form by transformer B1, fet power pipe G5, capacitor C 31-34, resistance R 43-45, triode Q5, diode D23-30, Zener diode D31, D32, photoelectricity lotus root and three terminal regulator successively, and Dc capacitor C 35 provides power supply for power tube drive circuit and control circuit; Temperature protection circuit, current foldback circuit are by diode D33-41, D2, D3, controllable silicon VT11, and resistance R 1-4, R46, R47 connect to form successively, and the LED indicating circuit is connected to form by capacitor C 2, C3, LED light.
As shown in Figure 5; Middle plate printed substrate 9 is made up of high frequency transformer, output rectification circuit, filter circuit, function conversion circuit; High frequency transformer, output rectification circuit are connected with lower plate printed substrate signal of the same name; High frequency transformer elementary with the upper plate printed substrate on the high frequency power pipe be connected, high frequency transformer is secondary, output rectification circuit, filter circuit connect successively, signal SORTIE+ is connected with earth clip, electrode holders respectively with SORTIE-.Said filter circuit is made up of inductance L 1, L2, and output rectification circuit is by the output commutation diode and high frequency transformer is secondary connects to form successively, and function conversion circuit is connected to form by relay J D1, JD2.
Like Fig. 6 and shown in Figure 7; Lower plate printed substrate 10 is made up of power rectifier circuit, high-frequency arc strike power supply, and power rectifier circuit is by rectifier bridge D33, D34, Dc capacitor C 1-4; Resistance R 1-2 composes in parallel, for the high frequency power pipe on the upper plate printed substrate provides power supply; The high-frequency arc strike power supply comprises high frequency transformer, high-voltage diode D1-8, high-voltage capacitance C1-8, the hf arc starter that connects successively, and said hf arc starter is connected with middle plate striking coil, and argon arc and cutting arc-striking are more prone to.
The utility model preferred forms argon-arc welding gun 13 can be a cutting gun 12.
The said power supply circuit optimal way of the utility model can be the 12V power supply circuit, also can be the 24V power supply circuit.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (9)
1. inversion direct current multifunction electric welding machine; Comprise face shield, handle, power line, casing and fan; Handle places tank ends, and the casing both sides are provided with face shield, and power line places cabinet rear panel; Fan places rear side in the casing; It is characterized in that, upper plate printed substrate, radiator, middle plate printed substrate and the lower plate printed substrate that connects successively is set in the said casing from top to bottom, the earth clip that the casing front panel is provided with the electrode holders that are connected with negative electrode snap joint, the argon-arc welding gun that is connected with the gentle electric connection of aviation socket successively, is connected with anode snap joint.
2. a kind of inversion direct current multifunction electric welding machine according to claim 1; It is characterized in that; Said upper plate printed substrate is made up of high frequency power pipe, pulse-width modulation circuit, power supply circuit, control chip, power tube drive circuit, temperature protection circuit, current foldback circuit and LED indicating circuit; The high frequency power pipe is connected with power tube drive circuit; Pulse-width modulation circuit one end is connected with power tube drive circuit signal of the same name, and the other end is connected with current foldback circuit, and power supply circuit is connected with power tube drive circuit signal of the same name; Current foldback circuit is connected with temperature protection circuit, LED indicating circuit signal of the same name, and control chip is connected with power tube drive circuit signal of the same name.
3. a kind of inversion direct current multifunction electric welding machine according to claim 2; It is characterized in that; The plate printed substrate is made up of high frequency transformer, output rectification circuit, filter circuit and function conversion circuit in said; High frequency transformer, output rectification circuit are connected with lower plate printed substrate signal of the same name, high frequency transformer elementary with the upper plate printed substrate on the high frequency power pipe be connected, high frequency transformer is secondary, output rectification circuit, filter circuit connect successively; Signal SORTIE+ is connected with earth clip, electrode holders respectively with SORTIE-, and function conversion circuit is connected to form by relay.
4. a kind of inversion direct current multifunction electric welding machine according to claim 3; It is characterized in that; Said lower plate printed substrate is made up of power rectifier circuit, high-frequency arc strike power supply; Power rectifier circuit is connected with high frequency power pipe on the upper plate printed substrate, and the high-frequency arc strike power supply comprises high frequency transformer, high-voltage diode D1-8, high-voltage capacitance C1-8, the hf arc starter that connects successively, and said hf arc starter is connected with middle plate striking coil.
5. a kind of inversion direct current multifunction electric welding machine according to claim 2 is characterized in that, said pulse-width modulation circuit is composed in series with control chip U1, control chip U2 after the parallel connection by capacitor C 5 and resistance R 6 parallel connections again.
6. a kind of inversion direct current multifunction electric welding machine according to claim 2 is characterized in that said power tube drive circuit is connected to form by triode, fet power pipe G1-4 and driving transformer successively, drives the high frequency power pipe respectively through resistance R 30-42.
7. a kind of inversion direct current multifunction electric welding machine according to claim 2; It is characterized in that; Said power supply circuit is connected to form by transformer B1, fet power pipe G5, capacitor C 31-34, resistance R 43-45, Zener diode D31, D32, photoelectricity lotus root and three terminal regulator successively, and Dc capacitor C 35 provides power supply for said power tube drive circuit and control circuit.
8. a kind of inversion direct current multifunction electric welding machine according to claim 2; It is characterized in that; Said temperature protection circuit, current foldback circuit are by diode D33-41, D2, D3; Controllable silicon VT11, resistance R 1-4, R46, R47 connect to form successively, and the LED indicating circuit is connected to form by capacitor C 2, C3, LED light.
9. a kind of inversion direct current multifunction electric welding machine according to claim 3 is characterized in that said filter circuit is connected to form by inductance L 1, L2, and output rectification circuit is by the output commutation diode and high frequency transformer is secondary connects to form successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220111607 CN202622191U (en) | 2012-03-23 | 2012-03-23 | Contravariant DC (Direct Current) multifunctional electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220111607 CN202622191U (en) | 2012-03-23 | 2012-03-23 | Contravariant DC (Direct Current) multifunctional electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202622191U true CN202622191U (en) | 2012-12-26 |
Family
ID=47375434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220111607 Expired - Fee Related CN202622191U (en) | 2012-03-23 | 2012-03-23 | Contravariant DC (Direct Current) multifunctional electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202622191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174982A (en) * | 2014-07-31 | 2014-12-03 | 佛山中用自动化装备有限公司 | Plasma/argon-arc welding machine system and control method |
| CN109894724A (en) * | 2019-04-01 | 2019-06-18 | 广州市金象工业生产有限公司 | A kind of electric welding that band is shown, argon arc welding auto-manual Intelligent welder |
-
2012
- 2012-03-23 CN CN 201220111607 patent/CN202622191U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174982A (en) * | 2014-07-31 | 2014-12-03 | 佛山中用自动化装备有限公司 | Plasma/argon-arc welding machine system and control method |
| CN104174982B (en) * | 2014-07-31 | 2016-05-11 | 佛山中用自动化装备有限公司 | A kind of plasma/argon arc welding welder system and control method |
| CN109894724A (en) * | 2019-04-01 | 2019-06-18 | 广州市金象工业生产有限公司 | A kind of electric welding that band is shown, argon arc welding auto-manual Intelligent welder |
| CN109894724B (en) * | 2019-04-01 | 2022-04-15 | 广州金象实业集团有限公司 | Manual-automatic integrated intelligent welding machine with display for electric welding and argon arc welding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205496750U (en) | IGBT single tube inverter type argon arc of height striking frequently weld with dual -purpose machine of manual metal -arc welding | |
| CN103128425A (en) | Portable electric welding machine | |
| CN202622191U (en) | Contravariant DC (Direct Current) multifunctional electric welding machine | |
| CN107052522B (en) | Arc static circuit and its working method for AC-DC argon arc welding machine | |
| CN202622133U (en) | High-efficient contravariant direct-current arc welding machine | |
| CN201282580Y (en) | Drive circuit for high-power LED | |
| CN201143590Y (en) | Inversion welding source | |
| CN201309041Y (en) | Electric welding machine | |
| CN202053010U (en) | IGBT digital and multifunctional gas shielded arc-welding soft switch inversion power supply | |
| CN203136240U (en) | Wide-range constant-current LED power supply VCC drive circuit | |
| CN108183619A (en) | A kind of high powered plasma cutting power supply | |
| CN203956302U (en) | The structure of single tube IGBT contravariant arc welding power source | |
| CN202639603U (en) | Double-voltage inversion direct current arc welding power source | |
| CN206122866U (en) | Portable battery electric welding | |
| CN202607054U (en) | Insulated-gate bipolar transistor gas-shielded welding and manual welding machine | |
| CN105215511B (en) | A kind of automobile aluminum vehicle body quick repairing machine | |
| CN204913023U (en) | Alternating current -direct current welding machine control circuit board | |
| CN203171122U (en) | Digitized consumable electrode gas shielded welding machine controlled by MCU | |
| CN207926459U (en) | A kind of high powered plasma cutting power supply | |
| CN220407383U (en) | Digital heat preservation nailing and welding machine | |
| CN201815773U (en) | Argon-arc welding high frequency arc striking device | |
| CN202817461U (en) | Welding fixture of a battery wire plug protection board | |
| CN201204739Y (en) | Electronic energy-saving ballast for high voltage sodium lamp | |
| CN205684873U (en) | A kind of structure of the IGBT single-tube contravariant manual arc welder of band VRD function | |
| CN219254442U (en) | Portable electric welding is used in reation kettle production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20150323 |
|
| EXPY | Termination of patent right or utility model |