CN106077896A - A kind of argon arc welding machine energy-saving protective circuit - Google Patents
A kind of argon arc welding machine energy-saving protective circuit Download PDFInfo
- Publication number
- CN106077896A CN106077896A CN201610507333.2A CN201610507333A CN106077896A CN 106077896 A CN106077896 A CN 106077896A CN 201610507333 A CN201610507333 A CN 201610507333A CN 106077896 A CN106077896 A CN 106077896A
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- resistor
- circuit
- diode
- capacitor
- control circuit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1006—Power supply
- B23K9/1043—Power supply characterised by the electric circuit
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The invention discloses a kind of argon arc welding machine energy-saving protective circuit; performing circuit including power circuit, current detection control circuit, delay control circuit and control, described power circuit is made up of knife-like switch Q, fuse FU, mains transformer T1, rectifier bridge stack UR and filter capacitor C2；Described current detection control circuit is made up of current transformer TA, diode VD1～VD4, resistor R2～R6, transistor V1 and V2；Described delay control circuit is made up of resistor R7, capacitor C3 and C4, time-base integrated circuit IC, relay K, A.C. contactor KM and diode VD5；The described execution circuit that controls includes welding equipment transformator T2, resistor R8, resistor R1 and capacitor C1.The energy-saving protective circuit of the present invention, its circuit structure design is reasonable, and automaticity is high, manipulation aspect, and good energy-conserving effect, and is generally applicable to the use of all kinds of welding machine.
Description
Technical field
The present invention relates to a kind of automation control circuit, be specifically related to a kind of argon arc welding machine energy-saving protective circuit.
Background technology
Electric welding machine be the high-temperature electric arc utilizing positive and negative polarities to produce when the instantaneous short circuit solder that comes on consumable electrode and
Materials to be welded, reaches the purpose making them combine, and therefore, its electric energy consumed is big, accounts for producing the 16.5% of wastage in bulk or weight electric energy
Left and right.Generally when welding processing, electric welding machine in running order time is the longest, compares often the when of no-load running
Many, if can not cut off the electricity supply in time, not only cause the waste of electric energy, and owing to when electric welding machine is standby, electric current is big, output is electric
Pressure height, has certain danger, if hand off power supply, operates more complicated.
Summary of the invention
Goal of the invention: the invention aims to solve deficiency of the prior art, it is provided that a kind of circuit structure design
Rationally, automaticity is high, manipulation aspect, and good energy-conserving effect, and is generally applicable to the argon arc welding machine joint that all kinds of welding machine uses
Can protection circuit.
Technical scheme: a kind of argon arc welding machine energy-saving protective circuit of the present invention, including power circuit, current detecting control
Circuit processed, delay control circuit and control perform circuit, and described power circuit is by knife-like switch Q, fuse FU, mains transformer
T1, rectifier bridge stack UR and filter capacitor C2 composition, the input of described mains transformer T1 connects knife-like switch and fuse
The outfan of FU, described mains transformer T1 connects has rectifier bridge stack UR, described rectifier bridge stack UR to be also associated with filter capacitor
C2；Described current detection control circuit by current transformer TA, diode VD1～VD4, resistor R2～R6, transistor V1 and
V2 forms, and described current transformer TA is connected with diode VD1, and described diode VD1 is also associated with resistor R2 and two poles
Pipe VD2, described diode VD2 are connected in parallel to diode VD3, diode VD4 and resistor R3, described resistor the most respectively
R3 is additionally coupled to the base stage of transistor V1, and the colelctor electrode of described transistor V1 connects resistor R5, resistor R6, described resistance
Device R6 is also associated with the base stage of transistor V2；Described delay control circuit by resistor R7, capacitor C3 and C4, time basis set become electricity
Road IC, relay K, A.C. contactor KM and diode VD5 composition, 6 feet and 7 feet of described time-base integrated circuit IC connect jointly
Resistor R7, capacitor C3, capacitor C4 and the emitter stage of transistor V2,2 feet of described time-base integrated circuit IC is had also to connect
Being connected to the colelctor electrode of transistor V1,3 feet of described time-base integrated circuit IC are connected in parallel to relay K and diode VD5, institute
State the normally opened contact of relay K and A.C. contactor KM and be commonly connected to the input of mains transformer T1；Described control performs
Circuit includes welder transformer T2, resistor R8, resistor R1 and capacitor C1, the input winding of described welder transformer T2
Connecting has A.C. contactor KM normally opened contact, capacitor C1, resistor R1, described resistor R1 to be also associated with resistor R8.
Preferably, described R1, R3～R7 all select 1/4W metal film resistor；R2 selects 2W metal film resistor；R8 selects
With the cement resistor of 1OW.
Preferably, CBB capacitor or the oil capacitor that described C1 selects pressure voltage to be 630V；C2 and C3 all selects pressure
Value selects monolithic capacitor or dacron terylene condenser for the aluminium electrolutic capacitor of 25V: C4.
Preferably, described VD1～VD5 all selects 1N4007 type silicon chariot stream diode.
Preferably, described UR selects the rectifier bridge stack of 1A, 50V.
Preferably, described V1 selects 59013 or 3DG6 type silicon NPN transistors；V2 selects 59012 or 3CG21 type silicon PNP brilliant
Body pipe.
Preferably, described IC selects NE555 type time-base integrated circuit.
Preferably, described T1 selects 3W, secondary voltage to be 12V (380V/12V or 220V/12V) mains transformer；T2 is
Former electric welder transformer.
Preferably, described K selects JRX-13F or JOX-4F type 12V DC relay.
Preferably, described TA selects LMK1-0.5 type straight-through current transformer.
Beneficial effect: the energy-saving protective circuit of the present invention, its circuit structure design is reasonable, and automaticity is high, manipulation side
Face, and good energy-conserving effect, and it is generally applicable to the use of all kinds of welding machine.
Accompanying drawing explanation
Fig. 1 is the circuit structure principle schematic of the present invention.
Detailed description of the invention
A kind of argon arc welding machine energy-saving protective circuit as shown in Figure 1, it is characterised in that: include power circuit, current detecting
Control circuit, delay control circuit and control perform circuit.
Described power circuit is by knife-like switch Q, fuse FU, mains transformer T1, rectifier bridge stack UR and filter capacitor C2
Composition, the input of described mains transformer T1 connects knife-like switch and fuse FU, the outfan of described mains transformer T1
Connecting has rectifier bridge stack UR, described rectifier bridge stack UR to be also associated with filter capacitor C2.
Described current detection control circuit is by current transformer TA, diode VD1～VD4, resistor R2～R6, transistor
V1 and V2 form, described current transformer TA is connected with diode VD1, described diode VD1 be also associated with resistor R2 and
Diode VD2, described diode VD2 are connected in parallel to diode VD3, diode VD4 and resistor R3, described electricity the most respectively
Resistance device R3 is additionally coupled to the base stage of transistor V1, and the colelctor electrode of described transistor V1 connects resistor R5, resistor R6, described
Resistor R6 is also associated with the base stage of transistor V2.
Described delay control circuit is connect by resistor R7, capacitor C3 and C4, time-base integrated circuit IC, relay K, exchange
Tentaculum KM and diode VD5 composition, 6 feet of described time-base integrated circuit IC and 7 feet connect jointly resistor R7, capacitor
C3, capacitor C4 and the emitter stage of transistor V2,2 feet of described time-base integrated circuit IC are additionally coupled to the current collection of transistor V1
Pole, 3 feet of described time-base integrated circuit IC are connected in parallel to relay K and diode VD5, and the normally opened of described relay K touches
Point and A.C. contactor KM are commonly connected to the input of mains transformer T1.
The described execution circuit that controls includes welder transformer T2, resistor R8, resistor R1 and capacitor C1, described weldering
The input winding of machine transformator T2 connects A.C. contactor KM normally opened contact, capacitor C1, resistor R1, described resistor R1
It is also associated with resistor R8.
As the preferably optimization of technique scheme, each components and parts of foregoing circuit select as follows:
Preferably, described R1, R3～R7 all select 1/4W metal film resistor；R2 selects 2W metal film resistor；R8 selects
With the cement resistor of 1OW.
Preferably, CBB capacitor or the oil capacitor that described C1 selects pressure voltage to be 630V；C2 and C3 all selects pressure
Value selects monolithic capacitor or dacron terylene condenser for the aluminium electrolutic capacitor of 25V: C4.
Preferably, described VD1～VD5 all selects 1N4007 type silicon chariot stream diode.
Preferably, described UR selects the rectifier bridge stack of 1A, 50V.
Preferably, described V1 selects 59013 or 3DG6 type silicon NPN transistors；V2 selects 59012 or 3CG21 type silicon PNP brilliant
Body pipe.
Preferably, described IC selects NE555 type time-base integrated circuit.
Preferably, described T1 selects 3W, secondary voltage to be 12V (380V/12V or 220V/12V) mains transformer；T2 is
Former electric welder transformer.
Preferably, described K selects JRX-13F or JOX-4F type 12V DC relay.
Preferably, described TA selects LMK1-0.5 type straight-through current transformer.
The operation principle of foregoing circuit is as follows:
Connecting knife-like switch Q, exchange 380Y voltage (or alternating current 220V voltage) road adds to the one of T2 through the normally open contact of KM
On secondary winding W1；Another road, after T1 blood pressure lowering, UR rectification and C2 filter, provides direct-current working volts for V1, V2 and IC.
When electric welder no-load (unwelded), non-inductive electric current in current transformer TA, V1 and V2 is in cut-off state, IC
2 feet be high potential, 3 foot output low levels, K and KM is in release conditions, and the normally open contact of KM disconnects, and C1, R1 and R8 are in parallel
Access in the primary circuit of T, make electric welding machine enter no-load saving state.
When soldered, welding rod touches with weldment, makes TA produce faradic current.Induced field current is after R2 current limliting VD2 rectification
Making V1 and V2 turn on, 2 feet of IC become low level, 3 feet output high level, L and KM be energized adhesive, the normally open contact of KM by R8 with
C1, R1 short circuit, electric welding machine enters normal weld state.
For preventing KM frequent movement when electric welding machine intermittently operated, circuit is provided with delays time to control function.When stopping welding,
V1 and V2 ends, and C3 is charged by R7, only when C3 both end voltage is charged to 8V, and 3 feet of IC just output low level, make K and KM
Power-off discharges, and electric welding machine just proceeds to stand-by energy-saving state.
Change the resistance of R7 or change the capacity of C3, the length of delay time can be changed.
The energy-saving protective circuit of the present invention, its circuit structure design is reasonable, and automaticity is high, manipulation aspect, and energy-conservation
Effective, and it is generally applicable to the use of all kinds of welding machine.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification being made above example, all still falls within the range of technical solution of the present invention.
Claims (1)
1. an argon arc welding machine energy-saving protective circuit, it is characterised in that: include power circuit, current detection control circuit, time delay
Control circuit and control perform circuit, and described power circuit is by knife-like switch Q, fuse FU, mains transformer T1, rectifier bridge stack UR
Forming with filter capacitor C2, the input of described mains transformer T1 connects knife-like switch and fuse FU, and described power supply becomes
The outfan of depressor T1 connects has rectifier bridge stack UR, described rectifier bridge stack UR to be also associated with filter capacitor C2；Described electric current is examined
Survey control circuit to be made up of current transformer TA, diode VD1～VD4, resistor R2～R6, transistor V1 and V2, described electricity
Current transformer TA is connected with diode VD1, and described diode VD1 is also associated with resistor R2 and diode VD2, described two poles
Pipe VD2 is connected in parallel to diode VD3, diode VD4 and resistor R3 the most respectively, and described resistor R3 is additionally coupled to crystal
The base stage of pipe V1, the colelctor electrode of described transistor V1 connects has resistor R5, resistor R6, described resistor R6 to be also associated with crystalline substance
The base stage of body pipe V2；Described delay control circuit by resistor R7, capacitor C3 and C4, time-base integrated circuit IC, relay K,
A.C. contactor KM and diode VD5 composition, 6 feet of described time-base integrated circuit IC and 7 feet connect jointly resistor R7, electricity
Container C3, capacitor C4 and the emitter stage of transistor V2,2 feet of described time-base integrated circuit IC are additionally coupled to transistor V1's
Colelctor electrode, 3 feet of described time-base integrated circuit IC are connected in parallel to relay K and diode VD5, described relay K normal
Open contact and A.C. contactor KM and be commonly connected to the input of mains transformer T1；The described execution circuit that controls includes that welding sets
The input winding of standby transformator T2, resistor R8, resistor R1 and capacitor C1, described welding equipment transformator T2 connects to be had
A.C. contactor KM normally opened contact, capacitor C1, resistor R1, described resistor R1 is also associated with resistor R8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507333.2A CN106077896A (en) | 2016-06-29 | 2016-06-29 | A kind of argon arc welding machine energy-saving protective circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507333.2A CN106077896A (en) | 2016-06-29 | 2016-06-29 | A kind of argon arc welding machine energy-saving protective circuit |
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| Publication Number | Publication Date |
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| CN106077896A true CN106077896A (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610507333.2A Pending CN106077896A (en) | 2016-06-29 | 2016-06-29 | A kind of argon arc welding machine energy-saving protective circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425032A (en) * | 2016-11-21 | 2017-02-22 | 重庆优盾焊接材料有限公司 | No-load energy-saving circuit for welding machine based on full-wave rectification design |
| CN106624270A (en) * | 2016-12-05 | 2017-05-10 | 重庆优盾焊接材料有限公司 | Alternating current welding machine based on linkage control design |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201002164Y (en) * | 2006-12-08 | 2008-01-09 | 华南理工大学 | IGBT inversion type direct current pulse argon arc welding power source |
| CN101269434A (en) * | 2008-05-07 | 2008-09-24 | 台州双龙电气有限公司 | Inversion direct current welding machine |
| JP2014091139A (en) * | 2012-11-01 | 2014-05-19 | Daihen Corp | Arc welding power supply device |
| CN105643055A (en) * | 2016-03-04 | 2016-06-08 | 芜湖市恒峰科技有限公司 | Energy-saved protection circuit of argon arc welding equipment |
-
2016
- 2016-06-29 CN CN201610507333.2A patent/CN106077896A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201002164Y (en) * | 2006-12-08 | 2008-01-09 | 华南理工大学 | IGBT inversion type direct current pulse argon arc welding power source |
| CN101269434A (en) * | 2008-05-07 | 2008-09-24 | 台州双龙电气有限公司 | Inversion direct current welding machine |
| JP2014091139A (en) * | 2012-11-01 | 2014-05-19 | Daihen Corp | Arc welding power supply device |
| CN105643055A (en) * | 2016-03-04 | 2016-06-08 | 芜湖市恒峰科技有限公司 | Energy-saved protection circuit of argon arc welding equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425032A (en) * | 2016-11-21 | 2017-02-22 | 重庆优盾焊接材料有限公司 | No-load energy-saving circuit for welding machine based on full-wave rectification design |
| CN106624270A (en) * | 2016-12-05 | 2017-05-10 | 重庆优盾焊接材料有限公司 | Alternating current welding machine based on linkage control design |
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Application publication date: 20161109 |