CN202639602U - Intelligent gas shield welding converter - Google Patents
Intelligent gas shield welding converter Download PDFInfo
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- CN202639602U CN202639602U CN 201120572936 CN201120572936U CN202639602U CN 202639602 U CN202639602 U CN 202639602U CN 201120572936 CN201120572936 CN 201120572936 CN 201120572936 U CN201120572936 U CN 201120572936U CN 202639602 U CN202639602 U CN 202639602U
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Abstract
The utility model provides an intelligent gas shield welding converter, comprising an input end and an output end, a positive pole and a negative pole of the input end are respectively connected with a positive pole and a negative pole of an inversion welding machine, the converter also comprises a rectification circuit, a primary filter circuit, a secondary filter circuit, and an LM three-end voltage stabilizing and current stabilizing circuit, the input end is connected with the rectification circuit, the rectification circuit is connected with the primary filter circuit, the primary filter circuit is connected with the secondary filter circuit, the secondary filter circuit is connected with the voltage stabilizing circuit, the voltage stabilizing circuit and the secondary filter circuit form a one-stage voltage stabilizing circuit; the output side of the one-stage voltage stabilizing circuit is the output end of the converter, the positive pole and the negative pole of the output end of the converter are connected with a welding gun and a workpiece to be welded; and the output side of the one-stage voltage stabilizing circuit is connected with a solenoid valve controlling air supply. The intelligent gas shield welding converter can simultaneously satisfy requirements of manual welding and gas shield welding, and is advantaged by good applicability.
Description
Technical field
The utility model relates to a kind of welding machine, especially a kind of converter that is applicable to simultaneously the gentle guarantor's weldering of manual electric arc welding.
Background technology
Common inverter type welder can only use as manual electric arc welding, and existing common inverter type welder adopts Voltage pulsating direct-current supply;
It is that a kind of to have a molten drop controlled and evenly reliable that MIG gas is protected weldering, the gas metal-arc welding that the Weld-little that splashes the is attractive in appearance device that picks.Mainly containing two parts forms: the source of welding current and control system.The source of welding current is the major part of arc welder, is a kind of device that welding arc is provided electric energy.Control system comprises stable wire feed system and adjustable technological parameter system, can control heat input and appearance of weld, can realize the precision control that droplet transfer and arc length change.
The power mode that adopts in view of two kinds of welding manners is different, causes two kinds of different occasions need to dispose separately power supply, does not have versatility.
Summary of the invention
Can not to satisfy simultaneously the gentle guarantor of manual welding in the existing welding machine and weld two different occasions, deficiency poor for applicability in order to overcome, the utility model provides a kind of can be satisfied simultaneously the gentle guarantor of manual welding and weld needs, the good Intelligent gas shielded welding converter of applicability.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of Intelligent gas shielded welding converter, described converter comprises input and output, the both positive and negative polarity of described input is connected with the both positive and negative polarity of inverter type welder respectively, described converter also comprises rectification circuit, a filter circuit, the secondary filtering circuit, mu balanced circuit and LM three-terminal voltage-stabilizing current stabilization circuit, described input is connected with rectification circuit, described rectification circuit is connected with a filter circuit, a described filter circuit is connected with the secondary filtering circuit, described secondary filtering circuit is connected with mu balanced circuit, and described mu balanced circuit and secondary filtering circuit form the one-level mu balanced circuit; The outlet side of described one-level mu balanced circuit is the output of converter, and the both positive and negative polarity of the output of described converter is connected with welding gun, workpiece to be welded respectively; The outlet side of described one-level mu balanced circuit is connected with the magnetic valve of the control of supplying gas; LM three-terminal voltage-stabilizing current stabilization circuit is connected with the speed control end of the wire-feed motor of welding gun.
Further, between a described filter circuit and the secondary filtering circuit electrothermal relay is installed.When temperature is higher than 75 ℃, disconnect relay, quit work.
Further again, described LM three-terminal voltage-stabilizing current stabilization circuit is LM317 three-terminal voltage-stabilizing current stabilization circuit, certainly, also can adopt the three-terminal voltage-stabilizing current stabilization circuit of other types.
Further, the output of described converter is connected with welding gun by filtering magnet ring inductance.
Technical conceive of the present utility model is: converter is exactly the control system of MIG gas-shielded welder, for realizing a kind of control system device of the ad hoc meter of common inversion welding machine upgrade function.System adopts DC/DC to change input voltage and RC, and L filtering step-down scheme has solved the high-frequency interferencing signal and the welding wire that superpose on the higher and welding process output voltage of inverter type welder arc voltage and excessively returned burning, burns the problems such as ignition tip.Make output voltage signal totally stable, do not have burr, the voltage probability density is compressed in the desirable zone.
The pulsating dc voltage of inversion welding machine output, by the secondary rectifying and wave-filtering, then consisting of a basicly stable voltage source by discrete components and parts such as transistors is the converter power supply.Wire-feed motor is to adopt three terminal regulator LM317.Its feature is that the large voltage of output current is adjustable continuously, and the precision of voltage regulation is high, the little and constant pressure and flow of output ripple.Thereby reach stable wire feed system.Supply gas by solenoid control, magnetic valve is opened and is supplied gas when arc welding gun switch is pressed.
The beneficial effects of the utility model are mainly manifested in: can satisfy simultaneously that the gentle guarantor of manual welding welds needs, applicability is good.
Description of drawings
Fig. 1 is the structure chart of Intelligent gas shielded welding converter.
Fig. 2 is the circuit diagram of Intelligent gas shielded welding converter.
Fig. 3 is the connection diagram of Intelligent gas shielded welding converter and inverter type welder.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
See figures.1.and.2, a kind of Intelligent gas shielded welding converter, described converter 2 comprises input and output, described input just, negative pole respectively with inverter type welder 1 just, negative pole connects, described converter 2 also comprises rectification circuit, a filter circuit, the secondary filtering circuit, Voltage stabilizing module and LM three-terminal voltage-stabilizing current stabilization circuit, described input is connected with rectification circuit, described rectification circuit is connected with a filter circuit, a described filter circuit is connected with the secondary filtering circuit, described secondary filtering circuit is connected with mu balanced circuit, and described Voltage stabilizing module and secondary filtering circuit form the one-level mu balanced circuit; The outlet side of described one-level mu balanced circuit is the output of converter, and the both positive and negative polarity of the output of described converter is connected with welding gun, workpiece to be welded respectively; The outlet side of described one-level mu balanced circuit is connected with the magnetic valve of the control of supplying gas; LM three-terminal voltage-stabilizing current stabilization circuit is connected with the speed control end of the wire-feed motor of welding gun.
Between a described filter circuit and the secondary filtering circuit electrothermal relay is installed.When temperature is higher than 75 ℃, disconnect relay, quit work.Described LM three-terminal voltage-stabilizing current stabilization circuit is LM317 three-terminal voltage-stabilizing current stabilization circuit, certainly, also can adopt the three-terminal voltage-stabilizing current stabilization circuit of other types.The output of described converter is connected with welding gun by filtering magnet ring inductance.
In the present embodiment, anodal 1-2, the negative pole 1-3 docking of inverter type welder converter anodal 2-8, negative pole 2-9; Produce stable direct current by inductance (22mH) and electrochemical capacitor (220uF/100V) filtering behind inner SF38 (fast recovery diode 3A/600V) the rectification lock item.Behind the 5A electrothermal relay, at the inferior inductance (22mH) that passes through, after electrochemical capacitor (220uF/100V) filtering, give transistor 2SC2751 and BU460,1W/10K and 1W/33V voltage-stabiliser tube (Voltage stabilizing module employing voltage-stabiliser tube) form the one-level mu balanced circuit;
The magnetic valve of supplying gas of air supply plant 4 is supplied with in one group of 2-7 voltage stabilizing of the outlet side of one-level mu balanced circuit, and another group of the outlet side of one-level mu balanced circuit is supplied with the 24V wire-feed motor of welding gun 3;
Wire-feed motor speed is adjustable to be LM317 three-terminal voltage-stabilizing current stabilization circuit, and its composition is 1/2W resistance 10K+10K potentiometer, and 240 Ω and 334,105 electric capacity form; Output connects welding gun, and the loop by 2W/10 Ω resistance over the ground.
When arc welding gun switch 3-1 presses work, produce a current potential 1/4W470 Ω resistance current limliting before the 2W/10 Ω resistance, trigger triode BC33725 starts the magnetic valve of supplying gas and opens and supply gas.Fail safe diode when the SF26 diode is the LM317 overcurrent.
Welding current is to supply with welding gun behind the filtering magnet ring inductance made of the ferrite bead of 2P44 by material behavior, and modulated current needs finish by inverter type welder.
With reference to Fig. 2, one group of parameter of the circuit of present embodiment is as follows:
L01 is filtering magnet ring inductance 2P44, and L02 is inductance coil 22 μ H, and L03 is ribbon core inductance coil μ H, D01 is Quick-return diode SF38, D02 is Zener diode 1W/33V, and D04 is diode SF26, and D04 is LED, C01～C05 is electrochemical capacitor 100 μ F/100V, C06 is electrochemical capacitor 10 μ F, and C07 is that polarity free capacitor 334,08 is polarity free capacitor 105, J01 is electrothermal relay 5A, and J02 is the welding gun gauge tap; Q01 is transistor ZCSC2751, and Q02 manages BU406 today, and Q03 is triode BC33725, R01 is resistance 1W/10K Ω, R02 is resistance 470K Ω, and R03 is resistance 0.5W/10K Ω, and R04 is potentiometer 10K Ω, R05 is resistance 240K Ω, R06 is resistance 2W/10K Ω, and R07 is resistance 4.7K Ω, and R08 is resistance 0.25W/470 Ω, IC01 is three sections voltage-stabiliser tube LM317, magnetic valve DC24V.
In the present embodiment, the operation principle of converter 2 is the pulsating dc voltage of inverter type welder 1 output, and by the secondary rectifying and wave-filtering, then consisting of a basicly stable voltage source by discrete components and parts such as transistors is the converter power supply.The wire-feed motor of welding gun 3 is to adopt three terminal regulator LM317 power supply.Its feature is that the large voltage of output current is adjustable continuously, and the precision of voltage regulation is high, the little and constant pressure and flow of output ripple.Thereby reach stable wire feed system.Supply gas by solenoid control, when arc welding gun switch 3-1 pressed, the electrical power running owing to be added with 10 Europe resistance in the electric motor loop, started the magnetic valve of supplying gas by this current potential.The temperature measuring circuit is equipped with in inside, and the electrothermal relay converter of a 5A namely is housed on the transistor heat sinks, and internal temperature is higher than 75 holding circuits when spending and starts, and quits work.
Inverter type welder 1 is the commercial power access inverter type welder by our daily 220V or 380V, reduce voltage by inverter type welder by transformer again, strengthen electric current, utilize inverter type welder 1 VD, electric current, wire feed rate through Intelligent gas shielded welding converter 2 Butt welding guns is regulated, reach gas and protect the welding effect of weldering, welding gun upper wire feeding hose speed is to be controlled by the regulator potentiometer on the converter, and the output current size is controlled by inverter type welder.The anodal 2-5 of converter output end is connected with welding gun 3, and converter output end negative pole 2-6 receives on the workpiece 5 that needs welding by weld clip 6, and power supply indicator 2-1, wire feed adjusting button 2-2, gas output end 2-3 and control interface 2-4 are installed on the described converter 2.When welding simultaneously the carbon steel welding wire, need to connect CO2 gas, if use is property of medicine welding wire, does not need to connect CO2 gas, but must change the converter output end both positive and negative polarity.
Claims (4)
1. Intelligent gas shielded welding converter, it is characterized in that: described converter comprises input and output, the both positive and negative polarity of described input is connected with the both positive and negative polarity of inverter type welder respectively, described converter also comprises rectification circuit, a filter circuit, the secondary filtering circuit, mu balanced circuit and LM three-terminal voltage-stabilizing current stabilization circuit, described input is connected with rectification circuit, described rectification circuit is connected with a filter circuit, a described filter circuit is connected with the secondary filtering circuit, described secondary filtering circuit is connected with mu balanced circuit, and described mu balanced circuit and secondary filtering circuit form the one-level mu balanced circuit; The outlet side of described one-level mu balanced circuit is the output of converter, and the both positive and negative polarity of the output of described converter is connected with welding gun, workpiece to be welded respectively; The outlet side of described one-level mu balanced circuit is connected with the magnetic valve of the control of supplying gas; LM three-terminal voltage-stabilizing current stabilization circuit is connected with the speed control end of the wire-feed motor of welding gun.
2. Intelligent gas shielded welding converter as claimed in claim 1 is characterized in that: between a described filter circuit and the secondary filtering circuit electrothermal relay is installed.
3. Intelligent gas shielded welding converter as claimed in claim 1 or 2, it is characterized in that: described LM three-terminal voltage-stabilizing current stabilization circuit is LM317 three-terminal voltage-stabilizing current stabilization circuit.
4. Intelligent gas shielded welding converter as claimed in claim 1 or 2, it is characterized in that: the output of described converter is connected with welding gun by filtering magnet ring inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120572936 CN202639602U (en) | 2011-12-20 | 2011-12-20 | Intelligent gas shield welding converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120572936 CN202639602U (en) | 2011-12-20 | 2011-12-20 | Intelligent gas shield welding converter |
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| Publication Number | Publication Date |
|---|---|
| CN202639602U true CN202639602U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120572936 Withdrawn - After Issue CN202639602U (en) | 2011-12-20 | 2011-12-20 | Intelligent gas shield welding converter |
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| CN (1) | CN202639602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528230A (en) * | 2011-12-20 | 2012-07-04 | 浙江武义旺峰工具有限公司 | Intelligent gas shielded welding converter |
-
2011
- 2011-12-20 CN CN 201120572936 patent/CN202639602U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528230A (en) * | 2011-12-20 | 2012-07-04 | 浙江武义旺峰工具有限公司 | Intelligent gas shielded welding converter |
| CN102528230B (en) * | 2011-12-20 | 2014-10-01 | 浙江旺峰电器有限公司 | Intelligent gas shielded welding converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG WANGFENG ELECTRIC APPLIANCES CO., LTD. Free format text: FORMER NAME: ZHEJIANG WUYI WANGFENG TOOL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 321200, No. six, No. 11 East Road, Tong Qin Hardware Machinery Industrial Park, Zhejiang, Wuyi Province Patentee after: ZHEJIANG WANGFENG ELECTRICAL APPLIANCES CO.,LTD. Address before: 321200, No. six, No. 11 East Road, Tong Qin Hardware Machinery Industrial Park, Zhejiang, Wuyi Province Patentee before: Zhejiang Wuyi Wangfeng Tool Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20141001 |
|
| RGAV | Abandon patent right to avoid regrant |