CN201076966Y - Multifunctional welding machine - Google Patents
Multifunctional welding machine Download PDFInfo
- Publication number
- CN201076966Y CN201076966Y CNU2007201438377U CN200720143837U CN201076966Y CN 201076966 Y CN201076966 Y CN 201076966Y CN U2007201438377 U CNU2007201438377 U CN U2007201438377U CN 200720143837 U CN200720143837 U CN 200720143837U CN 201076966 Y CN201076966 Y CN 201076966Y
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- Generation Of Surge Voltage And Current (AREA)
Abstract
The utility model relates to a multifunctional welding and cutting machine, which is characterized in that: 220V power frequency alternating current is switched on through a power switch K and soft start circuits RT and J1, and connected with an inverter F after rectified by BT and filtered by C1, R1 and C2; the output of the inverter F is connected with the input of a transformer T through the blocking filtering of C3; the output of the transformer T is connected with the input of a secondary rectifier circuit BV which is output to a welding and cutting circuit through a relay J2, J3, RF and L1. The utility model has the advantages of the function of electric arc welding, electric arc cutting, argon-arc welding, spot welding and brazing, portability for mobile operation, and mobile flexible and convenient application.
Description
Technical field
A kind of mechanical field that relates to is fit to the multifunctional all welding and cutting device that various metals are welded and cut.
Background technology
Sum up existing ZL 01267536.9 patented technology, its shortcoming is: though 1, cabinet built-in miniature air compressor provides compressed air easily for cutting function, but the vibration during owing to the work of cabinet built-in miniature air compressor often causes fault for host circuit.2, lack defencive function, influence reliability of products and service life.3, there are defective in circuit technology structure and electric property, and power output and continuous load water holdup are lower.
Summary of the invention
The utility model provides a kind of and has manual electric arc welding, argon arc welding, plasma arc cutting, spot welding, soldering and storage battery charge function in one, the reliable multifunctional welding and cutting machine of combination property at above-mentioned technical deficiency.
The technical scheme that adopts is: the 220V industrial-frequency alternating current is connected with soft starting circuit RT, J1 through power switch K, after rectifier BT full-bridge rectification and capacitor C 1, resistance R 1, capacitor C 2 filtering, be connected again with inverter F input, inverter F output is connected with transformer T input every straight filtering through capacitor C 3, transformer T output is connected with secondary rectification circuit BV input, and the BV output outputs to the welding circuit through relay J 2, J3 and current divider RF, reactor L1.Transformer L2 obtains over-current signal and is transported to control IC cut-out output, can prevent the inverter overcurrent.Temperature switch W and IC protection end is connected, and the W heating temperature reaches short circuit behind the limit value, makes to control IC and close output, plays superheat protecting function.Built-in battery charger U power supply is in parallel with power input, at casing the output connection port is set.The attaching plug of mini air compressor QT is connected with casing output connection port, input one termination power K switch, and the other end is connected with the K1 control circuit.
Multifunctional welding and cutting machine of the present utility model, the micro-air compressor of random arrangement and main frame partable, combine when depositing or carrying, during use both are separated, thereby avoided because the fault that causes to host circuit is vibrated the time in the work of cabinet built-in miniature air compressor machine.Optimize the circuit technology structure, improve piece electrical performance and cyclic duration factor, perfect defencive functions such as its overcurrent, overvoltage, overheated, soft start have improved reliability of products and service life.
Description of drawings
Figure of description is circuit theory diagrams of the present utility model.
Implement concrete mode
A kind of multifunctional welding and cutting machine is characterized in that: the 220V industrial-frequency alternating current is by power switch K and soft starting circuit RT, J1, is connected with inverter F after rectifier BT full-bridge rectification and capacitor C 1, resistance R 1, capacitor C 2 filtering.The output of inverter F outputs to high frequency transformer T through capacitor C 3 every straight filtering.Transformer T secondary is connected with secondary rectification circuit BV.Rectification circuit BV output outputs to the welding circuit via relay J 2, J3 and current divider RF, reactor L1.
The conversion of welding function and cutting function mainly is that the mode of connection by relay J 2, J3 change transformer T secondary realizes.When using with the welding function and will export whole in parallelly, the big voltage of output current is low.When using and will export and all connect, output current small voltage height with cutting function.
Current feedback signal is taken from secondary rectification circuit BV output and current divider RF, after current feedback signal that control circuit IC will detect from current divider RF and given electric current compare, output by drive circuit Q control inverter F, potentiometer RW is connected with control circuit IC the corresponding interface, is used for regulating the size of output current.
Transformer L2 obtains over-current signal and is transported to control IC cut-out output, can prevent the inverter overcurrent.
Temperature switch W and IC protection end is connected, and the W heating temperature reaches short circuit behind the limit value, makes to control IC and close output, plays superheat protecting function.
Built-in battery charger U power supply is in parallel with power input, at casing the output connection port is set.
The power input one termination power K switch of mini air compressor QT, the other end is connected with the K1 control circuit.
Claims (3)
1. multifunctional welding and cutting machine, it is characterized in that, the 220V industrial-frequency alternating current is connected with soft starting circuit RT, J1 through power switch K, after rectifier BT full-bridge rectification and capacitor C 1, resistance R 1, capacitor C 2 filtering, be connected again with inverter F input, inverter F output is connected with transformer T input every straight filtering through capacitor C 3, transformer T output is connected with secondary rectification circuit BV input, and the BV output outputs to the welding circuit through relay J 2, J3 and current divider RF, reactor L1.
2. multifunctional welding and cutting machine according to claim 1, it is characterized in that, current feedback signal is taken from secondary rectification circuit BV output and current divider RF, after current feedback signal that control circuit IC will detect from current divider RF and given electric current compare, output by drive circuit Q control inverter F, potentiometer RW is connected with control circuit IC the corresponding interface, is used for regulating the size of output current.
3. multifunctional welding and cutting machine according to claim 1; it is characterized in that transformer L2 obtains over-current signal and is transported to control IC cut-out drive circuit Q output, can prevent major loop element overcurrent; temperature switch W is connected with control IC protection end, plays superheat protecting function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201438377U CN201076966Y (en) | 2007-04-16 | 2007-04-16 | Multifunctional welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201438377U CN201076966Y (en) | 2007-04-16 | 2007-04-16 | Multifunctional welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201076966Y true CN201076966Y (en) | 2008-06-25 |
Family
ID=39569018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201438377U Expired - Fee Related CN201076966Y (en) | 2007-04-16 | 2007-04-16 | Multifunctional welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201076966Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966618A (en) * | 2010-11-12 | 2011-02-09 | 深圳市华意隆实业发展有限公司 | Reactor-free and shunt-free current type PWM inverter type welding cut power supply |
| CN102672305A (en) * | 2011-03-07 | 2012-09-19 | 株式会社大亨 | Welding system and power source device for welding |
| CN104148780A (en) * | 2014-08-11 | 2014-11-19 | 孙照云 | Multifunctional welding power source |
| 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 |
| CN104623826A (en) * | 2015-01-19 | 2015-05-20 | 成都华荣焊接设备有限公司 | Rapid forcible entry equipment and low-frequency arc starting method thereof |
| CN106825861A (en) * | 2017-03-16 | 2017-06-13 | 华中科技大学 | The welding mode switching circuit and method of a kind of welding integrated power supply |
| CN109396608A (en) * | 2017-08-15 | 2019-03-01 | 浙江颐顿机电有限公司 | A kind of digitlization AC/DC pulse TIG Welding Machine system |
| CN112548271A (en) * | 2020-12-14 | 2021-03-26 | 上海威特力焊接设备制造股份有限公司 | Automatic change multi-functional AC/DC welding machine of polarity |
-
2007
- 2007-04-16 CN CNU2007201438377U patent/CN201076966Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966618A (en) * | 2010-11-12 | 2011-02-09 | 深圳市华意隆实业发展有限公司 | Reactor-free and shunt-free current type PWM inverter type welding cut power supply |
| CN102672305A (en) * | 2011-03-07 | 2012-09-19 | 株式会社大亨 | Welding system and power source device for welding |
| CN102672305B (en) * | 2011-03-07 | 2016-06-29 | 株式会社大亨 | Welding system and welding supply unit |
| 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 |
| CN104148780A (en) * | 2014-08-11 | 2014-11-19 | 孙照云 | Multifunctional welding power source |
| CN104148780B (en) * | 2014-08-11 | 2015-11-18 | 孙照云 | Multi-functional welding power supply |
| CN104623826A (en) * | 2015-01-19 | 2015-05-20 | 成都华荣焊接设备有限公司 | Rapid forcible entry equipment and low-frequency arc starting method thereof |
| CN106825861A (en) * | 2017-03-16 | 2017-06-13 | 华中科技大学 | The welding mode switching circuit and method of a kind of welding integrated power supply |
| CN106825861B (en) * | 2017-03-16 | 2018-09-21 | 华中科技大学 | A kind of the welding mode switching circuit and method of welding integrated power supply |
| CN109396608A (en) * | 2017-08-15 | 2019-03-01 | 浙江颐顿机电有限公司 | A kind of digitlization AC/DC pulse TIG Welding Machine system |
| CN112548271A (en) * | 2020-12-14 | 2021-03-26 | 上海威特力焊接设备制造股份有限公司 | Automatic change multi-functional AC/DC welding machine of polarity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 |