CN202461775U - Alternating-current energy-saving arc welding machine with automatic switch - Google Patents
Alternating-current energy-saving arc welding machine with automatic switch Download PDFInfo
- Publication number
- CN202461775U CN202461775U CN2012201078512U CN201220107851U CN202461775U CN 202461775 U CN202461775 U CN 202461775U CN 2012201078512 U CN2012201078512 U CN 2012201078512U CN 201220107851 U CN201220107851 U CN 201220107851U CN 202461775 U CN202461775 U CN 202461775U
- Authority
- CN
- China
- Prior art keywords
- arc
- welding machine
- connects
- transformer
- diode
- 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
Landscapes
- Arc Welding Control (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The utility model discloses an alternating-current energy-saving arc welding machine with an automatic switch. The alternating-current energy-saving arc welding machine comprises an arc welding machine, and is characterized by comprising a power supply unit and a control unit, wherein the power supply unit is connected with the control unit and the arc welding machine respectively and is used for supplying power to the control unit and forming an arc striking signal source through a workpiece and welding tongs; and the control unit is connected with the arc welding machine and is used for controlling the opening of the arc welding machine. The alternating-current energy-saving arc welding machine is convenient to use, a switch is not required to be turned on/off by a special person, and the machine can be automatically powered off after a welding process is stopped for about 10 seconds; the machine can strike an arc sensitively, and an arc welding process can be immediately started as soon as a welding rod is contacted with the workpiece (the contact time is less than 0.1 second); the machine has an obvious energy saving effect; articles can be welded in a metal container; and due to the integrated combination surface between a control part and the arc welding machine, the machine is small in size and convenient to use, carry, manage and maintain. The control part of the machine can be suitable for any arc welding machine.
Description
Technical field
The utility model relates to a kind of arc-welding machine.Particularly relate to a kind of AC energy saving arc-welding machine with automatic switch.
Background technology
Ac arc wedling machine is slowly to leave in the process with even speed again after touch mutually at the transformer secondary output, and the high temperature that utilizes continuous electric arc to produce carries out the electric welding equipment of metal solder.This arc-welding machine equipment is discontinuity, and nearly 50% time is unloaded state to be welded.This reactive loss when unloaded is 8% of an arc-welding machine rated capacity.Multiple relevant arc-welding machine empty load energy-saving device appearred on the market, like " arc-welding machine empty load energy-saving device ", " arc-welding machine second protection device " etc.Though these products play energy-conservation effect to a certain extent,, following common shortcoming is all arranged:
1, striking is insensitive;
2, rate of breakdown is high, influences user's production.
Up to the present, this effective energy-saving type arc-welding machine also of no use more will not controlled the energy-saving arc-welding machine that system and arc-welding machine combine on the market.
Summary of the invention
The utility model technical problem to be solved is, provides a kind of easy to use, operates a switch, closes a floodgate without the special messenger, saves the AC energy saving arc-welding machine of the band automatic switch of the energy.
The technical scheme that the utility model adopted is: a kind of AC energy saving arc-welding machine with automatic switch; Include arc-welding machine; Also be provided with power supply unit and control module, described power supply unit connects control module and arc-welding machine respectively, is used for making the striking signal source to the control module power supply with through workpiece and soldering turret; Described control module links to each other with arc-welding machine, the unlatching of control arc-welding machine.
Described power supply unit includes the K switch that links to each other with AC power; One end of said K switch connects the end of A.C. contactor CJ respectively through the normally opened contact J1 of relay J; An end that connects transformer of arc welder B1 primary coil through the main contacts CJ1 of A.C. contactor CJ; This end of said K switch also connects an end of control transformer B2 primary coil; The other end of said K switch connects the other end of A.C. contactor CJ respectively, connects the other end of transformer of arc welder B1 primary coil through current transformer RL, and connects the elementary other end of control transformer B2.
Described control module includes FET Q; The drain electrode of said FET Q connects the coil and the diode D3 of relay J respectively; Source electrode connects output 2 ends of control transformer B2; Grid connects an end of resistance R 2 and the end of Zener diode DW respectively; The other end of described coil of succeeding electrical equipment J and the other end of diode D3 are connected the output a end of transformer of arc welder B1 jointly; And connect the end of diode D1 and the positive pole of electrochemical capacitor C1 respectively, and the output that connects control transformer B2 in addition 1 end of said diode D1, the negative pole of electrochemical capacitor C1 connects output 2 ends of control transformer B2; The other end of described resistance R 2 connects an end of resistance R 3, the end of diode D2 and an end of capacitor C 3 respectively; The other end of said capacitor C 3 connects output 2 ends of control transformer B2, and the other end of diode D2 is connected the end of current transformer RL respectively with resistance R 1 through capacitor C 2, and the other end of said current transformer RL connects output 2 ends of control transformer B2; The other end of said resistance R 3 is connected the end of soldering turret HT with CJ5 through two groups of auxiliary contact normally-closed contact CJ4 that are in parallel of A.C. contactor CJ; This end of said soldering turret HT also is connected the c end of transformer of arc welder B1 output voltage with CJ3 through two groups of main contacts normally opened contact CJ2 that are in parallel of A.C. contactor CJ, the corresponding welded piece G of the other end of said soldering turret HT, described welded piece G connect the output a end of transformer of arc welder B1.
Also be parallel with the second A.C. contactor CJ2 on the described A.C. contactor CJ.
Be parallel with resistance R 4 between the tie point of described resistance R 3 and two groups of auxiliary contact CJ4 and CJ5 and output 2 ends of control transformer B2.
Described resistance R 3 connects diode D2, capacitor C 3 and resistance R 2 respectively through diode D4.
The AC energy saving arc-welding machine of the band automatic switch of the utility model has following characteristics:
1, easy to use, operate a switch, close a floodgate without the special messenger, stop postwelding time-delay outage automatically in about 10 seconds;
2, striking is sensitive, and (less than 0.1 second) in a flash that contacts is played arc welding immediately and begun as long as welding rod and workpiece are collided;
3, power savings is remarkable; With the BX6-250 arc-welding machine is example: when not adopting the utility model; Its open circuit loss is 858W; On this BX6-250 arc-welding machine, assemble the automatic control system of the utility model, behind the AC energy saving arc-welding machine of the band automatic switch of formation the utility model, open circuit loss is merely 3W;
4, can in canister, weld.Owing to stop welding after the back arc-welding machine of delaying time about 10 seconds is just cut off the electricity supply automatically, have only control transformer in work, and control transformer power has only 3W, it is the 12V DC voltage after over commutation and filtering, the work of confession relay, and double as striking signal source.So can in canister, carry out welding job;
5, because control section and arc-welding machine are combined into one, and volume is little, and is easy to use, be easy to carry, and also be convenient to management and maintenance;
6. the control section of the utility model can be used on any arc-welding machine.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the AC energy saving arc-welding machine of the band automatic switch of the utility model is made detailed description.
The AC energy saving arc-welding machine of the band automatic switch of the utility model; In order to overcome the big problem of unloaded reactive loss of arc-welding machine; Be provided with automatic control circuit, arc-welding machine once stop the welding, only delay time about 10 seconds; Just cut off the power supply of arc-welding machine automatically, make the zero load of arc-welding machine be limited in the state to be welded about 10 seconds.Then, the miniature transformer that to have only a power be 3W is in work.Thoroughly eradicated the unloaded reactive loss of arc-welding machine.
As shown in Figure 1; The AC energy saving arc-welding machine of the band automatic switch of the utility model includes arc-welding machine, power supply unit and control module; Described power supply unit connects control module and arc-welding machine respectively; Be used for making the striking signal source to the control module power supply with through workpiece and soldering turret, described control module links to each other with arc-welding machine, the unlatching of control arc-welding machine.
Described power supply unit and arc-welding machine include K switch and the transformer of arc welder B1 that links to each other with AC power; One end of said K switch connects the end of A.C. contactor CJ respectively through the normally opened contact J1 of relay J; An end that connects transformer of arc welder B1 primary coil through the main contacts CJ1 of A.C. contactor CJ; This end of said K switch also connects an end of control transformer B2 primary coil; The other end of said K switch connects the other end of A.C. contactor CJ respectively, connects the other end of transformer of arc welder B1 primary coil through current transformer RL, and connects the elementary other end of control transformer B2.
When the AC energy saving arc-welding machine of the band automatic switch that adopts the utility model welds powerful workpiece, can also be parallel with the second A.C. contactor CJ2 on the described A.C. contactor CJ.
Described control module includes FET Q; The drain electrode of said FET Q connects the coil and the diode D3 of relay J respectively; Source electrode connects output 2 ends of control transformer B2; Grid connects an end of resistance R 2 and the end of Zener diode DW respectively; The other end of described coil of succeeding electrical equipment J and the other end of diode D3 are connected the output a end of transformer of arc welder B1 jointly; And connect the end of diode D1 and the positive pole of electrochemical capacitor C1 respectively, and the output that connects control transformer B2 in addition 1 end of said diode D1, the negative pole of electrochemical capacitor C1 connects output 2 ends of control transformer B2; The other end of described resistance R 2 connects an end of resistance R 3, the end of diode D2 and an end of capacitor C 3 respectively; The other end of said capacitor C 3 connects output 2 ends of control transformer B2, and the other end of diode D2 is connected the end of current transformer RL respectively with resistance R 1 through capacitor C 2, and the other end of said current transformer RL connects output 2 ends of control transformer B2; The other end of said resistance R 3 is connected the handgrip line of soldering turret HT with CJ5 through two groups of auxiliary contact normally-closed contact CJ4 that are in parallel of A.C. contactor CJ; The handgrip line of said soldering turret HT also is connected the c end of transformer of arc welder B1 output voltage with CJ3 through two groups of main contacts normally opened contact CJ2 that are in parallel of A.C. contactor CJ, the corresponding welded piece G of the other end of said soldering turret HT (welding rod), described welded piece G connect the output a end of transformer of arc welder B1.
The AC energy saving arc-welding machine of the band automatic switch of the utility model realizes that the arc-welding machine zero load is lossless, has overcome the insensitive problem of striking, adopts FET to make the core parts of electronic switch.
In order to reduce fault rate, must carry out amplitude limit to various signals not of uniform size, to reach the durability of equipment.So the utility model is provided with amplitude limiter circuit between current transformer and electronic switch, make signal after amplitude limiter circuit, deliver to diode again and carry out rectification, give capacitor C 3 chargings, through resistance R 2 safe conducting FETs.
Energy-conservation in order to realize, must let arc-welding machine under state to be welded, thoroughly cut off the electricity supply.The utility model has adopted A.C. contactor to control the break-make of arc-welding machine primary power source and the break-make of secondary output respectively.Control secondary break-make main purpose is to make striking sensitivity to reach 1K Ω and less than 0.1 second.
In order to reach jamproof purpose, also be parallel with resistance R 4 between the tie point of described resistance R 3 and two groups of auxiliary contact normally-closed contact CJ4 and CJ5 and output 2 ends of control transformer B2.Described resistance R 3 can also connect diode D2, capacitor C 3 and resistance R 2 respectively through diode D4.
The operation principle of the AC energy saving arc-welding machine of the band automatic switch of the utility model is following:
Power turn-on master switch K before going into operation, control transformer B2 work, output 10V alternating voltage, through diode D1 rectification, capacitor C 1 filtering has direct current 12V voltage at a point, makes the striking signal source, and a point will be connected firmly with workpiece.
Being switched on or switched off of the main contacts CJ1 control arc-welding machine primary source of A.C. contactor CJ.Control striking signal arrives input point b after the secondary break-make of control arc-welding machine after the two groups of main contacts CJ2 of A.C. contactor CJ and the CJ3 parallel connection, two groups of auxiliary contact normally-closed contact CJ4 of A.C. contactor CJ and CJ5 parallel connection.When striking, soldering turret contacts in a flash with workpiece, and direct current+12V is successively through two groups of auxiliary contact normally-closed contact CJ4 that are in parallel and the CJ5 of A.C. contactor CJ; Resistance R 3 to input point b, is given delay capacitor C3 charging through diode D2 through diode D4 again, through the grid G immediately conducting of resistance R2 to field-effect pipe Q; The conducting of relay J coil, the normally opened contact J1 of relay J is closed, A.C. contactor CJ adhesive; The main contacts CJ1 of A.C. contactor CJ is closed, and arc-welding machine gets the electrician and does.Because in addition two groups of main contacts normally opened contact CJ2 of parallel connection and CJ3 make B1 level of transformer of arc welder and soldering turret connect the starting the arc immediately and continue to weld.
When welding was carried out continuously, current transformer RL exported induced voltage continuously, behind amplitude limiter circuit C2R1 amplitude limit; By diode D2 rectification; Make signal input point b obtain stable control signal, delay capacitor C3 is constantly charged, keep conducting through guaranteeing FET Q; Relay J and A.C. contactor CJ keep continuous adhesive, thereby guarantee the arc-welding machine continuous operation.
Once stop welding, delay capacitor C3 does not recharge, and the electric charge that itself stores can only discharge to FET Q through resistance R2; Delaying time, FET Q just ends about about 10 seconds; Relay J discharges, and the normally opened contact J1 of relay J breaks off, and A.C. contactor CJ discharges; Main contacts normally opened contact CJ1, CJ2 and the CJ3 of A.C. contactor CJ all break off; Transformer of arc welder B1 dead electricity, meanwhile two of A.C. contactor CJ groups of auxiliary contact CJ4 and CJ5 get back to normally closed point and get ready for striking next time, and arc-welding machine gets into zero unloaded state to be welded.At this moment, have only control transformer B2 in work, its power has only 3W.Thereby realized the purpose of saves energy to greatest extent.
Claims (6)
1. AC energy saving arc-welding machine with automatic switch; Include arc-welding machine, it is characterized in that, also be provided with power supply unit and control module; Described power supply unit connects control module and arc-welding machine respectively; Be used for making the striking signal source to the control module power supply with through workpiece and soldering turret, described control module links to each other with arc-welding machine, the unlatching of control arc-welding machine.
2. the AC energy saving arc-welding machine of band automatic switch according to claim 1; It is characterized in that; Described power supply unit includes the K switch that links to each other with AC power; One end of said K switch connects the end of A.C. contactor CJ respectively through the normally opened contact J1 of relay J; Main contacts CJ1 through A.C. contactor CJ connects an end of transformer of arc welder B1 primary coil, and this end of said K switch also connects an end of control transformer B2 primary coil, and the other end of said K switch connects the other end of A.C. contactor CJ respectively; Connect the other end of transformer of arc welder B1 primary coil through current transformer RL, and connect the elementary other end of control transformer B2.
3. the AC energy saving arc-welding machine of band automatic switch according to claim 1; It is characterized in that; Described control module includes FET Q; The drain electrode of said FET Q connects the coil and the diode D3 of relay J respectively; Source electrode connects output 2 ends of control transformer B2; Grid connects an end of resistance R 2 and the end of Zener diode DW respectively, and the other end of described coil of succeeding electrical equipment J and the other end of diode D3 are connected the output a end of transformer of arc welder B1 jointly, and connect the end of diode D1 and the positive pole of electrochemical capacitor C1 respectively; The output that connects control transformer B2 in addition 1 end of said diode D1; The negative pole of electrochemical capacitor C1 connects output 2 ends of control transformer B2, and the other end of described resistance R 2 connects an end of resistance R 3, the end of diode D2 and an end of capacitor C 3 respectively, and the other end of said capacitor C 3 connects output 2 ends of control transformer B2; The other end of diode D2 is connected the end of current transformer RL respectively with resistance R 1 through capacitor C 2; The other end of said current transformer RL connects output 2 ends of control transformer B2, and the other end of said resistance R 3 is connected the end of soldering turret HT through two groups of auxiliary contact normally-closed contact CJ4 that are in parallel of A.C. contactor CJ with CJ5, and this end of the said soldering turret HT also c that is connected transformer of arc welder B1 output voltage with CJ3 of the two groups of main contacts normally opened contact CJ2 that are in parallel through A.C. contactor CJ is held; The corresponding welded piece G of the other end of said soldering turret HT, described welded piece G connect the output a end of transformer of arc welder B1.
4. the AC energy saving arc-welding machine of band automatic switch according to claim 2 is characterized in that, also is parallel with the second A.C. contactor CJ2 on the described A.C. contactor CJ.
5. the AC energy saving arc-welding machine of band automatic switch according to claim 3 is characterized in that, is parallel with resistance R 4 between the tie point of described resistance R 3 and two groups of auxiliary contact CJ4 and CJ5 and output 2 ends of control transformer B2.
6. the AC energy saving arc-welding machine of band automatic switch according to claim 3 is characterized in that, described resistance R 3 connects diode D2, capacitor C 3 and resistance R 2 respectively through diode D4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201078512U CN202461775U (en) | 2012-03-21 | 2012-03-21 | Alternating-current energy-saving arc welding machine with automatic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201078512U CN202461775U (en) | 2012-03-21 | 2012-03-21 | Alternating-current energy-saving arc welding machine with automatic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202461775U true CN202461775U (en) | 2012-10-03 |
Family
ID=46909972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201078512U Expired - Fee Related CN202461775U (en) | 2012-03-21 | 2012-03-21 | Alternating-current energy-saving arc welding machine with automatic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202461775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637892A (en) * | 2018-12-11 | 2019-04-16 | 北京动力源科技股份有限公司 | A kind of direct current is after electrical switching circuit |
-
2012
- 2012-03-21 CN CN2012201078512U patent/CN202461775U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637892A (en) * | 2018-12-11 | 2019-04-16 | 北京动力源科技股份有限公司 | A kind of direct current is after electrical switching circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203406658U (en) | Storage battery detection device of direct current system | |
| CN201717793U (en) | Power switch circuit for welding machine | |
| CN201161330Y (en) | Impulse current spot welder | |
| CN201862898U (en) | Energy-saving safety controller of electric welding machine | |
| CN202461775U (en) | Alternating-current energy-saving arc welding machine with automatic switch | |
| CN202291764U (en) | Electric welding machine protective device | |
| CN205414669U (en) | Energy -conserving safety governor of electric welding | |
| CN201960251U (en) | Idle energy-saving control device of electric welding machine | |
| CN201300275Y (en) | An idle-load automatic stop power saving device for ac welding machine | |
| CN209520464U (en) | Electric welder no-load dropping equipment | |
| CN201287235Y (en) | Energy-saving device for electric welding machine | |
| CN201893293U (en) | Arcless switching relay | |
| CN104668726A (en) | Safe energy-saving control circuit of electric welding machine | |
| CN201493597U (en) | Electricity-saving device for electric welder | |
| CN2865971Y (en) | Electric welder energy-saving controller | |
| CN104057178A (en) | Power-saving controller for electric welding machine | |
| CN202447793U (en) | No-load power-saving device for electric welding machine | |
| CN202861647U (en) | Electric welding machine safe power saving starting device | |
| CN201283463Y (en) | Intelligent energy-saving electricshock-proof electric welding machine | |
| CN2645843Y (en) | Full-automatic welding machine idle breaking controller | |
| CN201157948Y (en) | Energy-saving device for electric welding machine | |
| CN209842935U (en) | Real device of instructing that digit control machine tool fed | |
| CN202796748U (en) | Energy-saving control circuit of constant magnetic maintaining alternating current contactor | |
| CN103659061A (en) | Electric welding machine safe electricity-saving starting device | |
| CN102545348A (en) | Zero-standby power consumption non-polarized safety charger circuit |
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: 20121003 Termination date: 20150321 |
|
| EXPY | Termination of patent right or utility model |