CN2181357Y - Small AC (DC) welder - Google Patents

Small AC (DC) welder Download PDF

Info

Publication number
CN2181357Y
CN2181357Y CN 94226556 CN94226556U CN2181357Y CN 2181357 Y CN2181357 Y CN 2181357Y CN 94226556 CN94226556 CN 94226556 CN 94226556 U CN94226556 U CN 94226556U CN 2181357 Y CN2181357 Y CN 2181357Y
Authority
CN
China
Prior art keywords
rectifier
welding
secondary side
resistance
side coil
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
Application number
CN 94226556
Other languages
Chinese (zh)
Inventor
石惟一
葛玲兰
卢熊
石蕾
Original Assignee
石惟一
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 石惟一 filed Critical 石惟一
Priority to CN 94226556 priority Critical patent/CN2181357Y/en
Application granted granted Critical
Publication of CN2181357Y publication Critical patent/CN2181357Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Generation Of Surge Voltage And Current (AREA)
  • Arc Welding Control (AREA)

Abstract

The utility model relates to a small AC/DC welder, which relates to a small dual-purpose welding device used for AC arc welding and DC argon arc welding. The utility model is provided with a housing, a current adjusting mechanism arranged in the housing, a welding transformer, an electronic component and an electrical circuit board. A welding transformer B is provided with two original side coils W[1], W[3], the original side coils W[3] and the W[1] are connected in series, a secondary side coil is provided with two sets of secondary coils W[2], W[4], the secondary side coil W[2] is connected with a rectifier Z[1], and the secondary side coil W[4] is connected with a rectifier Z[2]. The positive output end of the rectifier Z[2] is connected with the positive output end of the rectifier Z[1], the negative output end of the rectifier Z[2] is connected with resistors R[1], R[2], and the R[2] is connected with a reactor L.

Description

Small AC (DC) welder
What the utility model AC-dc welding machine related to is a kind of small-sized dual-purpose welding equipment that is used for alternating current arc welding, dc argon arc welding.
The small-sized A.C. welder that sale is arranged in the market, welding machine has shell, the welding current governor motion is equipped with in the inside, and electrical component, welding transformer such as welding transformer are made of primary coil, secondary side coil, primary coil links to each other with power supply, secondary side coil one end and soldering turret join, and the other end and workpiece join, and during use primary coil are inserted the 380V AC power or insert the 220V AC power.At secondary side coil is the output AC electric current, can carry out the workpiece welding, and these welding machine volumes are little, in light weight, but weak point is not have direct current output, can not carry out argon arc welding.
The purpose of this utility model provides a kind of small-sized AC-dc welding machine, both can be used for alternating current arc welding, can carry out dc argon arc welding again, and it is simple in structure, volume is little, in light weight.
Small-sized AC-dc welding machine takes following mode to realize: small-sized AC-dc welding machine has shell, enclosure is equipped with Current Regulation mechanism, welding transformer, rectifier, reactor, electronic devices and components such as resistance, electric capacity, electric circuit board, switch is housed on the housing face-plate, regulate the knob of welding current or shake the hand, power supply input terminal, outlet terminal.Electric wiring is by welding transformer B, rectifier Z 1, Z 2, resistance R 1, R 2, R 3, capacitor C, reactor L, K switch, soldering turret H, workpiece G constitutes.Welding transformer B, former limit has two groups of coil W 1, W 3, primary coil W 3With W 1For being connected in series, secondary side coil is by having two groups of secondary side coil W 2, W 4, secondary side coil W 2Be connected with rectifier Z 1, secondary side coil W 4Be connected with rectifier Z 2, rectifier Z 1Output link to each other with soldering turret H, workpiece G respectively.Rectifier Z 2Positive output termination rectifier Z 1Positive output end, G joins with workpiece, negative output terminal and resistance R 1Link to each other resistance R 1The other end and resistance R 2, capacitor C joins another termination rectifier of capacitor C Z 2Anode, resistance R 2Another termination reactor L, the reactor L other end connects K switch and rectifier Z 1Negative terminal links to each other.
Small-sized interchange dual-purpose welding machine can be used for electric welding and carries out electric arc welding power supply employing 380V or 220V AC power, exportable higher alternating voltage, this welding machine can also flow by output DC, be used for dc argon arc welding, it is fine particularly to be used for welding the thin plate effect, and welding machine can provide the higher floating voltage starting the arc easy.
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is small-sized interchange dual-purpose welding machine schematic diagram.
Fig. 2 is small-sized AC-dc welding machine electrical schematic diagram.
Have in welding machine shell (21), the shell with reference to the small-sized AC-dc welding machine of accompanying drawing and Current Regulation mechanism to be housed, welding transformer B, rectifier Z 1, Z 2Reactor L, electronic devices and components such as resistance, electric capacity, electric circuit board, mains switch K is housed on the welding machine housing face-plate, regulates the knob of welding current or handle (22), bottom power input terminals (1), (2), (3), (6) source of welding current output terminals (4), (5), (15), (10), (9) two groups are housed.With reference to accompanying drawing 2 small-sized AC-dc welding machine electrical schematic diagrams, welding transformer B has transformer primary coil W in the electric wiring 1, W 3Be two groups of primary coils, primary coil W 3With W 1Be in series primary coil W 1Power input (1), (3) are arranged, centre tap (2), primary coil W 3Power input head (6) is arranged, other end the end of a thread and circle W 1Termination (1.) links to each other, and secondary side coil has two groups of secondary side coil W 2, W 4, secondary side coil W 2Have output termination (4), (5), be so that a tap (16), secondary side coil W to be arranged 4Have output termination (7), (8), a tap (17) can be arranged, secondary side coil W 2Be connected with rectifier Z 1, be connected secondary side coil W with termination (4), tap (16) 4Be connected with rectifier Z 2, joining with termination (7), (8), rectifier can adopt bridge rectifier or full-wave rectifier, during as the employing full-wave rectifier, secondary side coil W 4Termination (7), (8) and full-wave rectifier Z 2Link to each other tap (17) and full-wave rectifier Z 2Link (18) is connected.Rectifier Z 1Output plus terminal (9) and the workpiece G output negative terminal (10) that joins link to each other with soldering turret (H), and pass through resistance R 3Be connected with output (15).Rectifier Z 2Output negative terminal (11) and resistance R 1Link to each other resistance R 1The other end (12) and resistance R 2Join resistance R 2The other end (13) is connected to reactor L, the other end of L (14) and K switch respectively with rectifier Z 1Negative output terminal (10), resistance R 3Link to each other capacitor C one end and resistance R 1R 2Link (12) join the other end and rectifier Z 1, Z 2Positive output end links to each other.
Small-sized AC-dc welding machine is when welding with welding rod, and the power supply that 380V exchanges is sent into from the former limit of welding transformer B input terminal, or the 220V AC power sends into from welding transformer terminals (2), (3), pays sideline winding W from welding transformer 2Higher alternating voltage is exported in output (4), (5).380V or 220V AC power are sent into from the former limit of welding transformer B input terminal (6), (3) two when carrying out dc argon arc welding, make secondary side coil W 2The voltage that induces reduces through rectifier Z 1After the rectification from (9), (10), the less DC power supply of (15) end output, can be used to weld thin plate, secondary side coil W 4With rectifier Z 2Effect provide higher floating voltage, make the starting the arc easy.Resistance R 1, R 2, the effect of reactor L, capacitor C is the pulsation that reduces electric current, resistance R 3Effect be further to reduce welding current.

Claims (3)

1, a kind of small-sized AC-dc welding machine has shell, and enclosure is equipped with Current Regulation mechanism, welding transformer, electronic devices and components, electric circuit board, it is characterized in that welding transformer B has two groups of primary coil W 1W 3, primary coil W 3With W 1For being connected in series, secondary side coil has two groups of secondary side coil W 2W 4, secondary side coil W 2Be connected with rectification Z 1Secondary side coil W 4Be connected with rectifier Z 2
2, small-sized AC/DC dual-purpose welding machine according to claim 1 is characterized in that rectifier Z 2Positive output termination rectifier Z 1Positive output end, negative output terminal and resistance R 1Link to each other resistance R 1The other end and resistance R 2, capacitor C joins another termination rectifier of capacitor C Z 2Anode, resistance R 2Another termination reactor L, another termination K switch of reactor L, resistance R 3With K switch and rectifier Z 2Negative terminal links to each other.
3,, it is characterized in that rectifier adopts bridge rectifier or full-wave rectifier according to claim 1,2 described small-sized AC/DC dual-purpose welding machines.
CN 94226556 1994-01-13 1994-01-13 Small AC (DC) welder Expired - Fee Related CN2181357Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94226556 CN2181357Y (en) 1994-01-13 1994-01-13 Small AC (DC) welder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94226556 CN2181357Y (en) 1994-01-13 1994-01-13 Small AC (DC) welder

Publications (1)

Publication Number Publication Date
CN2181357Y true CN2181357Y (en) 1994-11-02

Family

ID=33839498

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94226556 Expired - Fee Related CN2181357Y (en) 1994-01-13 1994-01-13 Small AC (DC) welder

Country Status (1)

Country Link
CN (1) CN2181357Y (en)

Similar Documents

Publication Publication Date Title
JP2003143856A (en) Passive control of harmonic from ac input through rectifying circuit
EP1271754A3 (en) Zero-voltage-switching power supply
CN112928806A (en) Subminiature power supply implementation method
CN2181357Y (en) Small AC (DC) welder
SE9102961L (en) WELD STREAMKELLA FOR EXCHANGE STROEMLJUSBAAG WELDING
CN112548271B (en) Automatic polarity-changing multifunctional AC/DC welder
US20030006874A1 (en) Winding structure of inductor used in power factor correction circuit
CN1564419A (en) Small portable non-contact charger for electronic facilities
JP4404514B2 (en) Circuit for converting AC voltage to DC voltage
CN2569963Y (en) Automatic controlled soldering equipment
CN2629890Y (en) Single-phase gas shielded welding machine
CN220407383U (en) Digital heat preservation nailing and welding machine
JP3762268B2 (en) Non-contact power supply
CN215956268U (en) Power factor correction structure suitable for modular use and power supply
CN211959054U (en) Multifunctional switch power supply main control panel
CN2191734Y (en) Three phase half-wave rectifier-type electric arc welder
CN2383613Y (en) Multifunctional single-phase dc electric welder
CN2173136Y (en) DC arc welding self-controlling device
CN206230131U (en) Without splashing soft arc light direct current sheet arc welding machine
CN2191451Y (en) Mini-conversion power unit
JPS60167683A (en) Power source
CN2322258Y (en) Microwave generator
RU2047444C1 (en) Device for carrying out resistance welding
CN2224689Y (en) Energy-saving A.C arc welder
CN206547050U (en) A kind of PFC cable architectures

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