CN104690398A - Three-purpose welder logic control circuit - Google Patents
Three-purpose welder logic control circuit Download PDFInfo
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- CN104690398A CN104690398A CN201510070460.6A CN201510070460A CN104690398A CN 104690398 A CN104690398 A CN 104690398A CN 201510070460 A CN201510070460 A CN 201510070460A CN 104690398 A CN104690398 A CN 104690398A
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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
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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
- B23K9/1012—Power supply characterised by parts of the process
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Abstract
The invention provides a three-purpose welder logic control circuit. The three-purpose welder logic control circuit comprises a gas shielded arc welding function module, an argon arc welding function module and a manual welding function module, wherein the gas shielded arc welding function module, the argon arc welding function module and the manual welding function module share the same logic control circuit; the gas shielded arc welding function module is used for selecting and implementing a gas shielded arc welding function; the argon arc welding function module is used for selecting and implementing an argon arc welding function; the manual welding function module is used for selecting and implementing a manual welding function and shielding the gas shielded arc welding function. The three-purpose welder logic control circuit simplifies a control circuit of a three-purpose welder, and has the excellent anti-interference capacity while the functions are ensured.
Description
Technical field
The present invention relates to electric welding machine, particularly, relate to a kind of three and use welding machine logic control circuit.
Background technology
Day by day full-fledged along with inverter type welder technology, the welding machine of function singleness before, such as hand arc welding machine, argon arc welding machine and gas-shielded welder are more and more difficult to the favor commercially winning consumer.And it is more and more outstanding in conjunction with the status of three function welding machines on civilian welding machine market of manual welding, argon arc welding gentle guarantor weldering.And between three kinds of welding functions logic function be combined into a complicated engineering, what first will solve is the differentiation of three functions, comprise hand weldering, the gentle guarantor's weldering of argon arc welding, again institute's function of dominant of various welding is arranged, relate to rifle switching signal, wire feed enable signal, 2T/4T, crawl wire feed, striking pass signal and PWM enable signal.The logic control circuit of tradition three-way set is by realizing logic to several amplifier and trigger combination, but namely this kind of method add the complexity of circuit, also causes too complicated circuit to make the reliability decrease of logical signal serious.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of three and use welding machine logic control circuit.
Comprise with welding machine logic control circuit according to provided by the invention a kind of three: gas protects weldering functional module, argon arc welding functional module, manual welding functional module, wherein said argon arc welding functional module, manual welding functional module, gas are protected weldering functional module and are shared identical logic control circuit;
Gas protects weldering functional module, protects selection and the enforcement of weldering function for realizing gas;
Argon arc welding functional module, for realizing selection and the enforcement of argon arc welding function, and shields gas guarantor weldering functional module;
Manual welding functional module, for realizing selection and the enforcement of manual welding function, and shields gas guarantor weldering functional module.
Preferably, described gas guarantor weldering functional module comprises: button inch, button trigrem, button motoren, button migen, button comrem, rifle switch CN2, flash back setting potentiometer CN13, air valve CN12, resistance R6, resistance R18, resistance R20, resistance R63, resistance R64, resistance R68, resistance R73, resistance R95, resistance R112, resistance R117, resistance R118, resistance R153, resistance R154, resistance R201, diode D7, diode D11, diode D14, diode D22, diode D27, diode D28, diode D30, diode D32, diode D34, diode D35, diode D36, diode D37, diode D38, diode D44, diode D45, diode D48, diode D49, diode D51, triode Q4, triode Q101, metal-oxide-semiconductor Q15, electric capacity C3, electric capacity C29, electric capacity C31, electric capacity C35, electric capacity C46, CD4013 chip U11, CD40106 chip U1B, CD40106 chip U1C, CD40106 chip U1D, CD40106 chip U1E, CD40106 chip U1F, CD40106 chip U1G, wherein: 12 pin of CD4013 chip U11 are by resistance R18 and electric capacity C46 ground connection, the 9 pin ground connection of described CD4013 chip U11, 7 pin of described CD4013 chip U11,5 pin and the equal ground connection of 3 pin, 6 pin and 14 pin of described CD4013 chip U11 all meet positive voltage terminal H15, the other end of resistance R68 connects the negative pole of diode D30 and 1 pin of CD40106 chip U1C respectively, and by electric capacity C35 ground connection, flash back the 2nd port of setting potentiometer CN13, the 3rd port all connects 1 pin of CD40106 chip U1C, 1 pin of CD40106 chip U1D is connected with one end of resistance R154 with described 2 pin of CD40106 chip U1C, one end of resistance R112 respectively by resistance R118, the other end of resistance R112 is connected with the positive pole of diode D7, the other end of resistance R154 is connected with the negative pole of diode D36, the positive pole of diode D36 is connected with 1 pin of the negative pole of diode D28, the colelctor electrode of triode Q4, one end of electric capacity C3 and CD40106 chip U1B respectively, the negative pole of diode D7 is connected with 1 pin of the negative pole of diode D28, the colelctor electrode of triode Q4, one end of electric capacity C3 and described CD40106 chip U1B respectively, 2 pin of described CD40106 chip U1B are connected with the base stage of triode Q101 by resistance R95, , 3 pin of described CD40106 chip U1B meet positive voltage terminal H15, the 4 pin ground connection of described CD40106 chip U1B, 3 pin of described CD4013 chip U11,5 pin, the equal ground connection of 7 pin, 8 pin of described CD4013 chip U11 connect the negative pole of diode D22 respectively, the negative pole of diode D38 also passes through resistance R65 in parallel and electric capacity C31 ground connection, the positive pole of described diode D22 forms described gas and protects weldering functional module 2T/4T signal input part, and the positive pole of described diode D38 connects button arcok, the 10 pin ground connection of described CD4013 chip U11,
--button inch, described button inch connects the positive pole of diode D34 and forms the crawl wire feed signal input part that described gas protects weldering functional module, the negative pole other end of contact resistance R73 and one end of resistance R6 respectively of diode D34, the other end of described resistance R6 connects the positive pole of diode D32 and one end of resistance R117 respectively; The negative pole of described diode D32 connects 2 pin of CD40106 chip U1E, the 1st port of the setting potentiometer CN13 that flashes back, the positive pole of diode D30 and one end of resistance R68 respectively;
1 pin of described CD40106 chip U1E is one end of contact resistance R20, the positive pole of diode D44 and the positive pole of diode D45 respectively; The other end of described resistance R20 connects positive 1 voltage end H15; The negative pole of described diode D44 connects 11 pin, 2 pin of CD4013 chip U11; The negative pole of described diode D45 connects 13 pin of CD4013 chip U11;
--button trigrem, described button trigrem connect the 1st port of rifle switch CN2 and the negative pole of diode D51 respectively, and the 2nd port of described rifle switch CN2 is by resistance R63 ground connection; The positive pole of described diode D51 is connected with one end of resistance R153; The other end of described resistance R153 is connected with one end of resistance R64, the negative pole of diode D48, the positive pole of diode D49, the negative pole of diode D35, one end of electric capacity C29,4 pin of described CD4013 chip U11 respectively; The other end of the other end of resistance R64, the negative pole of diode D49, electric capacity C29 connects positive voltage terminal H15; The plus earth of diode D48;
--button motoren, described button motoren connects 2 pin of CD40106 chip U1G and forms the wire feed enable signal input that described gas protects weldering functional module, and 1 pin of described CD40106 chip U1G is connected with the positive pole of diode D27, one end of resistance R73 respectively; The negative pole of diode D27 connects 2 pin of CD40106 chip U1F;
--button migen, described button migen connects the negative pole of diode D37, and forms the PWM enable signal input that described gas protects weldering functional module, the positive pole other end of contact resistance R117 and 2 pin of CD40106 chip U1D respectively of described diode D37;
--button comrem, described button comrem connects the 1st port of described air valve CN12 and the positive pole of diode D14 and forms the striking pass signal input that described gas protects weldering functional module, and the 3rd port and the negative pole of diode D14 of air valve CN12 are all connected the drain electrode of metal-oxide-semiconductor Q15; The source electrode of metal-oxide-semiconductor Q15 meets positive voltage terminal H24, and the grid of metal-oxide-semiconductor Q15 is connected with the colelctor electrode of triode Q101; The colelctor electrode of another termination triode Q101 of the one termination positive voltage terminal H24 of resistance R201, resistance R201, the grounded emitter of triode Q101.
Preferably, described argon arc welding functional module comprises: button liften, diode D24, diode D35, resistance R61, resistance R74, resistance R95, wherein button liften connects the positive pole of diode D24, the negative pole of described diode D24 by resistance R70 ground connection, and connects the positive pole of diode D35 and 1 pin of CD40106 chip U1F respectively;
The base stage of described button liften by resistance R61 difference connecting triode Q4 and one end of resistance R74, the other end ground connection of the other end of electric capacity C3, the emitter stage of triode Q4 and resistance R74.
Preferably, described manual welding functional module comprises: button sticken, diode D23, button sticken connects the positive pole of diode D23, and the negative pole of described diode D23 by resistance R70 ground connection, and connects the positive pole of diode D35 and 1 pin of CD40106 chip U1F respectively;
Button sticken connects the positive pole of diode D28, the colelctor electrode of the negative pole connecting triode Q4 of diode D28.
Preferably, the model of metal-oxide-semiconductor Q15 is IRF9Z24N.
Preferably,
-when enabling argon arc welding functional module, button liften presses, and 4 pin of CD4013 chip U11 are always high level, and shielding gas protects weldering functional module, triode Q4 conducting, and air valve CN12 keeps conducting state;
-when enabling manual welding functional module, button sticken presses, and 4 pin of CD4013 chip are always high level, and shielding gas protects weldering functional module, and 2 pin of CD40106 chip U1B are low level, air valve CN12 remain off state.
Compared with prior art, the present invention has following beneficial effect:
1, provided by the invention three use welding machine logic control circuit, while assurance function, the antijamming capability that three use welding machine can be improved.
2, provided by the invention three use welding machine logic control circuit, circuit structure is simple, and reliability is high.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is three use welding machine logic control circuit schematic diagrams provided by the invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Comprise with welding machine logic control circuit according to provided by the invention a kind of three: gas protects weldering functional module, argon arc welding functional module, manual welding functional module, wherein said argon arc welding functional module, manual welding functional module, gas are protected weldering functional module and are shared identical logic control circuit;
Gas protects weldering functional module, protects selection and the enforcement of weldering function for realizing gas;
Argon arc welding functional module, for realizing selection and the enforcement of argon arc welding function, and shields gas guarantor weldering functional module;
Manual welding functional module, for realizing selection and the enforcement of manual welding function, and shields gas guarantor weldering functional module.
Preferably, described gas guarantor weldering functional module comprises: button inch, button trigrem, button motoren, button migen, button comrem, rifle switch CN2, flash back setting potentiometer CN13, air valve CN12, resistance R6, resistance R18, resistance R20, resistance R63, resistance R64, resistance R68, resistance R73, resistance R95, resistance R112, resistance R117, resistance R118, resistance R153, resistance R154, resistance R201, diode D7, diode D11, diode D14, diode D22, diode D27, diode D28, diode D30, diode D32, diode D34, diode D35, diode D36, diode D37, diode D38, diode D44, diode D45, diode D48, diode D49, diode D51, triode Q4, triode Q101, metal-oxide-semiconductor Q15, electric capacity C3, electric capacity C29, electric capacity C31, electric capacity C35, electric capacity C46, CD4013 chip U11, CD40106 chip U1B, CD40106 chip U1C, CD40106 chip U1D, CD40106 chip U1E, CD40106 chip U1F, CD40106 chip U1G, wherein: 12 pin of CD4013 chip U11 are by resistance R18 and electric capacity C46 ground connection, the 9 pin ground connection of described CD4013 chip U11, 7 pin of described CD4013 chip U11,5 pin and the equal ground connection of 3 pin, 6 pin and 14 pin of described CD4013 chip U11 all meet positive voltage terminal H15, the other end of resistance R68 connects the negative pole of diode D30 and 1 pin of CD40106 chip U1C respectively, and by electric capacity C35 ground connection, flash back the 2nd port of setting potentiometer CN13, the 3rd port all connects 1 pin of CD40106 chip U1C, 1 pin of CD40106 chip U1D is connected with one end of resistance R154 with described 2 pin of CD40106 chip U1C, one end of resistance R112 respectively by resistance R118, the other end of resistance R112 is connected with the positive pole of diode D7, the other end of resistance R154 is connected with the negative pole of diode D36, the positive pole of diode D36 is connected with 1 pin of the negative pole of diode D28, the colelctor electrode of triode Q4, one end of electric capacity C3 and CD40106 chip U1B respectively, the negative pole of diode D7 is connected with 1 pin of the negative pole of diode D28, the colelctor electrode of triode Q4, one end of electric capacity C3 and described CD40106 chip U1B respectively, 2 pin of described CD40106 chip U1B are connected with the base stage of triode Q101 by resistance R95, , 3 pin of described CD40106 chip U1B meet positive voltage terminal H15, the 4 pin ground connection of described CD40106 chip U1B, 3 pin of described CD4013 chip U11,5 pin, the equal ground connection of 7 pin, 8 pin of described CD4013 chip U11 connect the negative pole of diode D22 respectively, the negative pole of diode D38 also passes through resistance R65 in parallel and electric capacity C31 ground connection, the positive pole of described diode D22 forms described gas and protects weldering functional module 2T/4T signal input part, and the positive pole of described diode D38 connects button arcok, the 10 pin ground connection of described CD4013 chip U11,
--button inch, described button inch connects the positive pole of diode D34 and forms the crawl wire feed signal input part that described gas protects weldering functional module, the negative pole other end of contact resistance R73 and one end of resistance R6 respectively of diode D34, the other end of described resistance R6 connects the positive pole of diode D32 and one end of resistance R117 respectively; The negative pole of described diode D32 connects 2 pin of CD40106 chip U1E, the 1st port of the setting potentiometer CN13 that flashes back, the positive pole of diode D30 and one end of resistance R68 respectively;
1 pin of described CD40106 chip U1E is one end of contact resistance R20, the positive pole of diode D44 and the positive pole of diode D45 respectively; The other end of described resistance R20 connects positive 1 voltage end H15; The negative pole of described diode D44 connects 11 pin, 2 pin of CD4013 chip U11; The negative pole of described diode D45 connects 13 pin of CD4013 chip U11;
As shown in Figure 1, when crawl wire feed button is pressed, the voltage of inch end is high level, make the wire feed of motoren enable for low by CD40106 chip U1G, now close extraneous wire-feed motor braking circuit, wire-feed motor is powered can not be shorted, inch signal arrives the setting potentiometer CN13 that flashes back, because now Trig disconnects, then 13 pin of CD4013 chip U11 and 2 pin are high, so CD40106 chip U1E exports as low level, the output of CD40106 chip U1C is high, CD40106 chip U1B is low level, triode Q101 not conducting, triode Q15 is in cut-off state, air valve CN12 is obstructed, now in wire feeding circuit, inch starts wire feed.
--button trigrem, described button trigrem connect the 1st port of rifle switch CN2 and the negative pole of diode D51 respectively, and the 2nd port of described rifle switch CN2 is by resistance R63 ground connection; The positive pole of described diode D51 is connected with one end of resistance R153; The other end of described resistance R153 is connected with one end of resistance R64, the negative pole of diode D48, the positive pole of diode D49, the negative pole of diode D35, one end of electric capacity C29,4 pin of described CD4013 chip U11 respectively; The other end of the other end of resistance R64, the negative pole of diode D49, electric capacity C29 connects positive voltage terminal H15; The plus earth of diode D48;
--button motoren, described button motoren connects 2 pin of CD40106 chip U1G and forms the wire feed enable signal input that described gas protects weldering functional module, and 1 pin of described CD40106 chip U1G is connected with the positive pole of diode D27, one end of resistance R73 respectively; The negative pole of diode D27 connects 2 pin of CD40106 chip U1F;
--button migen, described button migen connects the negative pole of diode D37, and forms the PWM enable signal input that described gas protects weldering functional module, the positive pole other end of contact resistance R117 and 2 pin of CD40106 chip U1D respectively of described diode D37;
--button comrem, described button comrem connects the 1st port of described air valve CN12 and the positive pole of diode D14 and forms the striking pass signal input that described gas protects weldering functional module, and the 3rd port and the negative pole of diode D14 of air valve CN12 are all connected the drain electrode of metal-oxide-semiconductor Q15; The source electrode of metal-oxide-semiconductor Q15 meets positive voltage terminal H24, and the grid of metal-oxide-semiconductor Q15 is connected with the colelctor electrode of triode Q101; The colelctor electrode of another termination triode Q101 of the one termination positive voltage terminal H24 of resistance R201, resistance R201, the grounded emitter of triode Q101.
As shown in Figure 1, welding function in 2T situation, closing rifle trigrem is low level, and 4 pin of CD4013 chip U11 are low level, because 6 pin of CD4013 chip U11 connect 15V voltage end, so now 2 pin of CD4013 chip U11 are low level, then CD40106 chip U1E is input as low level, exports as high level, and obtaining migen is high level, triode Q101 conducting makes triode Q15 conducting, then air valve CN12 action; Unclamp rifle switch then CD40106 chip U1E be input as high level, migen is low level, and triode Q101 ends triode Q15 cut-off, then air valve CN12 is failure to actuate.
Welding function in 4T situation, now 2T is unsettled, when rifle switch closes, 11 pin of CD4013 chip U11 are low level, the then enable driving of PWM, air valve CN12 action, wire feed start, now/arcok is high, then 13 pin of CD4013 chip U11 are high level, and 12 pin of CD4013 chip U11 and 9 pin are low level.When striking success/arcok step-down level, now disconnect rifle switch, 2 pin and 11 pin of CD4013 chip U11 become high level by low level, the rising edge of high level latches 9 pin of CD4013 chip U11, now D is level, then 13 pin of CD4013 chip U11 are low level, and CD40106 chip U1E input is still low level, and succeeding state is constant.When again closing rifle, CD4013 chip 11 pin is low level, CD40106 chip U1E inputs constant, and when loose rifle, CD4013 chip 11 pin becomes high level by low level, and 9 pin of CD4013 chip U11 are high level, now CD40106 chip U1E be input as high level, then follow-up migen is low level, and triode Q15 ends, and means that air valve CN12 closes, the enable inefficacy of PWM, wire feed stops.
Preferably, described argon arc welding functional module comprises: button liften, diode D24, diode D35, resistance R61, resistance R74, resistance R95, wherein button liften connects the positive pole of diode D24, the negative pole of described diode D24 by resistance R70 ground connection, and connects the positive pole of diode D35 and 1 pin of CD40106 chip U1F respectively;
The base stage of described button liften by resistance R61 difference connecting triode Q4 and one end of resistance R74, the other end ground connection of the other end of electric capacity C3, the emitter stage of triode Q4 and resistance R74.
Preferably, described manual welding functional module comprises: button sticken, diode D23, button sticken connects the positive pole of diode D23, and the negative pole of described diode D23 by resistance R70 ground connection, and connects the positive pole of diode D35 and 1 pin of CD40106 chip U1F respectively;
Button sticken connects the positive pole of diode D28, the colelctor electrode of the negative pole connecting triode Q4 of diode D28.
Preferably, the model of metal-oxide-semiconductor Q15 is IRF9Z24N.
Preferably,
-when enabling argon arc welding functional module, button liften presses, and 4 pin of CD4013 chip U11 are always high level, and shielding gas protects weldering functional module, triode Q4 conducting, and air valve CN12 keeps conducting state;
-when enabling manual welding functional module, button sticken presses, and 4 pin of CD4013 chip are always high level, and shielding gas protects weldering functional module, and 2 pin of CD40106 chip U1B are low level, air valve CN12 remain off state.
Preferably, 1 pin of above-mentioned all CD40106 chips is input, and 2 pin of described CD40106 chip are output.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (6)
1. use welding machine logic control circuit for one kind three, it is characterized in that, comprise: gas protects weldering functional module, argon arc welding functional module, manual welding functional module, wherein said argon arc welding functional module, manual welding functional module, gas are protected weldering functional module and are shared identical logic control circuit;
Gas protects weldering functional module, protects selection and the enforcement of weldering function for realizing gas;
Argon arc welding functional module, for realizing selection and the enforcement of argon arc welding function, and shields gas guarantor weldering functional module;
Manual welding functional module, for realizing selection and the enforcement of manual welding function, and shields gas guarantor weldering functional module.
2. according to claim 1 three use welding machine logic control circuit, it is characterized in that, described gas is protected weldering functional module and is comprised: button inch, button trigrem, button motoren, button migen, button comrem, rifle switch CN2, flash back setting potentiometer CN13, air valve CN12, resistance R6, resistance R18, resistance R20, resistance R63, resistance R64, resistance R68, resistance R73, resistance R95, resistance R112, resistance R117, resistance R118, resistance R153, resistance R154, resistance R201, diode D7, diode D11, diode D14, diode D22, diode D27, diode D28, diode D30, diode D32, diode D34, diode D35, diode D36, diode D37, diode D38, diode D44, diode D45, diode D48, diode D49, diode D51, triode Q4, triode Q101, metal-oxide-semiconductor Q15, electric capacity C3, electric capacity C29, electric capacity C31, electric capacity C35, electric capacity C46, CD4013 chip U11, CD40106 chip U1B, CD40106 chip U1C, CD40106 chip U1D, CD40106 chip U1E, CD40106 chip U1F, CD40106 chip U1G, wherein: 12 pin of CD4013 chip U11 are by resistance R18 and electric capacity C46 ground connection, the 9 pin ground connection of described CD4013 chip U11, 7 pin of described CD4013 chip U11,5 pin and the equal ground connection of 3 pin, 6 pin and 14 pin of described CD4013 chip U11 all meet positive voltage terminal H15, the other end of resistance R68 connects the negative pole of diode D30 and 1 pin of CD40106 chip U1C respectively, and by electric capacity C35 ground connection, flash back the 2nd port of setting potentiometer CN13, the 3rd port all connects 1 pin of CD40106 chip U1C, 1 pin of CD40106 chip U1D is connected with one end of resistance R154 with described 2 pin of CD40106 chip U1C, one end of resistance R112 respectively by resistance R118, the other end of resistance R112 is connected with the positive pole of diode D7, the other end of resistance R154 is connected with the negative pole of diode D36, the positive pole of diode D36 is connected with 1 pin of the negative pole of diode D28, the colelctor electrode of triode Q4, one end of electric capacity C3 and CD40106 chip U1B respectively, the negative pole of diode D7 is connected with 1 pin of the negative pole of diode D28, the colelctor electrode of triode Q4, one end of electric capacity C3 and described CD40106 chip U1B respectively, 2 pin of described CD40106 chip U1B are connected with the base stage of triode Q101 by resistance R95, , 3 pin of described CD40106 chip U1B meet positive voltage terminal H15, the 4 pin ground connection of described CD40106 chip U1B, 3 pin of described CD4013 chip U11,5 pin, the equal ground connection of 7 pin, 8 pin of described CD4013 chip U11 connect the negative pole of diode D22 respectively, the negative pole of diode D38 also passes through resistance R65 in parallel and electric capacity C31 ground connection, the positive pole of described diode D22 forms described gas and protects weldering functional module 2T/4T signal input part, and the positive pole of described diode D38 connects button arcok, the 10 pin ground connection of described CD4013 chip U11,
--button inch, described button inch connects the positive pole of diode D34 and forms the crawl wire feed signal input part that described gas protects weldering functional module, the negative pole other end of contact resistance R73 and one end of resistance R6 respectively of diode D34, the other end of described resistance R6 connects the positive pole of diode D32 and one end of resistance R117 respectively; The negative pole of described diode D32 connects 2 pin of CD40106 chip U1E, the 1st port of the setting potentiometer CN13 that flashes back, the positive pole of diode D30 and one end of resistance R68 respectively;
1 pin of described CD40106 chip U1E is one end of contact resistance R20, the positive pole of diode D44 and the positive pole of diode D45 respectively; The other end of described resistance R20 connects positive 1 voltage end H15; The negative pole of described diode D44 connects 11 pin, 2 pin of CD4013 chip U11; The negative pole of described diode D45 connects 13 pin of CD4013 chip U11;
--button trigrem, described button trigrem connect the 1st port of rifle switch CN2 and the negative pole of diode D51 respectively, and the 2nd port of described rifle switch CN2 is by resistance R63 ground connection; The positive pole of described diode D51 is connected with one end of resistance R153; The other end of described resistance R153 is connected with one end of resistance R64, the negative pole of diode D48, the positive pole of diode D49, the negative pole of diode D35, one end of electric capacity C29,4 pin of described CD4013 chip U11 respectively; The other end of the other end of resistance R64, the negative pole of diode D49, electric capacity C29 connects positive voltage terminal H15; The plus earth of diode D48;
--button motoren, described button motoren connects 2 pin of CD40106 chip U1G and forms the wire feed enable signal input that described gas protects weldering functional module, and 1 pin of described CD40106 chip U1G is connected with the positive pole of diode D27, one end of resistance R73 respectively; The negative pole of diode D27 connects 2 pin of CD40106 chip U1F;
--button migen, described button migen connects the negative pole of diode D37, and forms the PWM enable signal input that described gas protects weldering functional module, the positive pole other end of contact resistance R117 and 2 pin of CD40106 chip U1D respectively of described diode D37;
--button comrem, described button comrem connects the 1st port of described air valve CN12 and the positive pole of diode D14 and forms the striking pass signal input that described gas protects weldering functional module, and the 3rd port and the negative pole of diode D14 of air valve CN12 are all connected the drain electrode of metal-oxide-semiconductor Q15; The source electrode of metal-oxide-semiconductor Q15 meets positive voltage terminal H24, and the grid of metal-oxide-semiconductor Q15 is connected with the colelctor electrode of triode Q101; The colelctor electrode of another termination triode Q101 of the one termination positive voltage terminal H24 of resistance R201, resistance R201, the grounded emitter of triode Q101.
3. according to claim 2 three use welding machine logic control circuit, it is characterized in that, described argon arc welding functional module comprises: button liften, diode D24, diode D35, resistance R61, resistance R74, resistance R95, wherein button liften connects the positive pole of diode D24, the negative pole of described diode D24 by resistance R70 ground connection, and connects the positive pole of diode D35 and 1 pin of CD40106 chip U1F respectively;
The base stage of described button liften by resistance R61 difference connecting triode Q4 and one end of resistance R74, the other end ground connection of the other end of electric capacity C3, the emitter stage of triode Q4 and resistance R74.
4. according to claim 3 three use welding machine logic control circuit, it is characterized in that, described manual welding functional module comprises: button sticken, diode D23, button sticken connects the positive pole of diode D23, the negative pole of described diode D23 by resistance R70 ground connection, and connects the positive pole of diode D35 and 1 pin of CD40106 chip U1F respectively;
Button sticken connects the positive pole of diode D28, the colelctor electrode of the negative pole connecting triode Q4 of diode D28.
5. according to claim 2 three use welding machine logic control circuit, it is characterized in that, the model of metal-oxide-semiconductor Q15 is IRF9Z24N.
6. according to claim 3 three use welding machine logic control circuit, it is characterized in that,
-when enabling argon arc welding functional module, button liften presses, and 4 pin of CD4013 chip U11 are always high level, and shielding gas protects weldering functional module, triode Q4 conducting, and air valve CN12 keeps conducting state;
-when enabling manual welding functional module, button sticken presses, and 4 pin of CD4013 chip are always high level, and shielding gas protects weldering functional module, and 2 pin of CD40106 chip U1B are low level, air valve CN12 remain off state.
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| CN202447790U (en) * | 2012-02-02 | 2012-09-26 | 太原市星云焊接设备有限公司 | Integrated multifunctional all-numerical welding machine |
| CN203031096U (en) * | 2013-01-07 | 2013-07-03 | 台州飞达机床有限公司 | Multifunctional electric welding machine |
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| US6028290A (en) * | 1997-08-07 | 2000-02-22 | Matsushita Electric Industrial Co., Ltd. | Arc welding apparatus |
| EP1629926A2 (en) * | 2004-08-31 | 2006-03-01 | ITW WELDING PRODUCTS ITALY S.r.L. | Welding machine and relative operating method |
| CN101244479A (en) * | 2008-03-22 | 2008-08-20 | 太原市星云焊接设备有限公司 | Multifunctional full-numeralization contravariant welding machine |
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| CN104690398B (en) | 2017-03-01 |
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