CN207026696U - Inverter type welder single line dual signal control circuit - Google Patents
Inverter type welder single line dual signal control circuit Download PDFInfo
- Publication number
- CN207026696U CN207026696U CN201720294897.2U CN201720294897U CN207026696U CN 207026696 U CN207026696 U CN 207026696U CN 201720294897 U CN201720294897 U CN 201720294897U CN 207026696 U CN207026696 U CN 207026696U
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- circuit
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- regulation
- inverter type
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Abstract
It the utility model is related to the control circuit of electric welding machine, and in particular to a kind of inverter type welder single line dual signal control circuit, including oscillating circuit, follow circuit and peak holding circuit, it is characterised in that：It is Regulate signal A and Regulate signal B also including multichannel Regulate signal；Described to follow circuit on one side to be electrically connected indirectly through resistance and oscillating circuit output end, it is by peak holding circuit output regulation signal A, second, successively through reverse amplification circuit, peak holding circuit output regulation signal B to follow circuit other end one；It is described to follow the control and regulation device for being provided between circuit and oscillating circuit output end and controlling to adjust signal A and Regulate signal B.The utility model provides the control circuit that a line transmits two control signals, realizes that single controls multi signal, advantageously reduces cost.
Description
Technical field
It the utility model is related to the control circuit of electric welding machine, and in particular to one kind is mainly used in its personnel in inverter type welder
Operate the control circuit that signal transmits between welding position and inverter type welder main body.
Background technology
Electric welding machine inverter type welder therein, wherein gas shield welding adjust weldingvoltage, and its wire-feed motor regulation wire feed rate；
Manual electric arc welding adjusts welding current, push current, blow force of arc i.e. arc length at a distance；Argon arc welding adjusts electric current, preceding at a distance
Afterwards, it is necessary to connect multicore control line to inverter type welder, tradition from operating personnel's position controlling switch during the multiple parameters such as gas time
Different control lines are generally respectively adopted for unlike signal transmission line, it is necessary to multicore control line, in view of the control line sometimes grow by length, into
This height.
The content of the invention
The utility model deficiency existing for existing inverter type welder signal circuit a, there is provided line transmits two
The control circuit of control signal.
The technical solution of the utility model is as follows:
A kind of inverter type welder single line dual signal control circuit, including oscillating circuit, circuit and peak holding circuit are followed, its
It is characterised by：It is Regulate signal A and Regulate signal B also including multichannel Regulate signal；It is described to follow circuit on one side through resistance and shake
Swing circuit output end to be electrically connected indirectly, it is by peak holding circuit output regulation signal A two to follow circuit other end one
It is successively through reverse amplification circuit, peak holding circuit output regulation signal B；It is described follow circuit and oscillating circuit output end it
Between be provided with control to adjust signal A and Regulate signal B control and regulation device.
The oscillating circuit of above-mentioned generation peak positive voltage and negative voltage square-wave signal includes operational amplifier and peripheral components.
By the oscillating circuit that operational amplifier and its peripheral components form the output end of operational amplifier produce a peak value -15V and+
15V square-wave signal.
The square-wave signal of above-mentioned oscillating circuit output, by far controlling connecting line to device is controlled to adjust, controls to adjust by resistance
Device includes the control and regulation device of the regulation positive half cycle peak value of square wave, and the control and regulation device of regulation square wave negative half period peak value.
Above-mentioned control and regulation device includes two swept resistances and two diodes；Oscillating circuit output end after resistance by
It is grounded after swept resistance, diode cathode connection, oscillating circuit output end is born by swept resistance, diode simultaneously after resistance
It is grounded after the connection of pole.Oscillating circuit output end is that outside input positive voltage is grounded after swept resistance, diode cathode connection,
Outside input negative voltage is grounded after swept resistance, diode cathode connection.When adjusting swept resistance, only square wave just half
All peak changes, there was only square wave negative half period peak change when adjusting swept resistance.
It is above-mentioned to follow circuit to include differential operational amplifier；The in-phase input end of differential operational amplifier is provided with π types RC
Filter circuit, while the in-phase input end of differential operational amplifier is connected by diode with exterior positive electrode source.
Above-mentioned peak holding circuit includes the filtered diode of connection external input terminals, and is arranged on diode output
Electric capacity of voltage regulation and discharge resistance.
Above-mentioned reverse amplification circuit includes differential operational amplifier；The inverting input of differential operational amplifier is born with outside
Power supply connects.
The beneficial effects of the utility model are：Two control signals transmitted by a connecting line, which are extracted, is split up into 2
Individual single DC control signal, controls different parameters respectively, and much less cored wire that can try one's best controls multiple different parameters, saves
Material, reduce cost.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Wherein：1st, oscillating circuit；2nd, device is controlled to adjust；3rd, circuit is followed；4th, reverse amplification circuit；5th, peak holding electricity
Road；6th, Regulate signal A；7th, Regulate signal B.
Embodiment
To be illustrated more clearly that content of the present utility model, make further to retouch with reference to the accompanying drawings and detailed description
State.
As shown in figure 1, a kind of inverter type welder single line dual signal control circuit, including oscillating circuit 21, follow the and of circuit 23
Peak holding circuit 25, in addition to multichannel Regulate signal are Regulate signal A i.e. 26 and Regulate signal B i.e. 27；It is described to follow circuit
23 one end are electrically connected indirectly through resistance R4 and the output end of oscillating circuit 21, and following the other end one of circuit 23 is protected by peak value
The output regulation signal A i.e. 26 of circuit 25 is held, second, successively through reverse amplification circuit 24, the output regulation signal of peak holding circuit 25
B is 27；Described follow is provided with control and regulation signal A i.e. 26 and Regulate signal B between circuit 23 and the output end of oscillating circuit 21
I.e. 27 control and regulation device 22.
Producing the oscillating circuit 21 of peak positive voltage and negative voltage square-wave signal includes operational amplifier U1A and peripheral device
Part.One is produced by output end of the oscillating circuit 21 that operational amplifier U1A and its peripheral components form in operational amplifier U1A
Peak value -15V and+15V square-wave signal.
The square-wave signal that oscillating circuit 21 exports is adjusted by resistance R4 by far controlling connecting line to device 22, control is controlled to adjust
Saving device 22 includes the control and regulation device W1/D1 of the regulation positive half cycle peak value of square wave, and the control of regulation square wave negative half period peak value
Adjusting means W2/D2.
Controlling to adjust device 22 includes 2 swept resistances W1, W2 and two diodes D1, D2；The output end of oscillating circuit 21 passes through
After resistance R4 by swept resistance W1, diode D1 positive poles connection after be grounded, the output end of oscillating circuit 21 after resistance R4 simultaneously
It is grounded after swept resistance W2, the connection of diode D2 negative poles.I.e. the output end of oscillating circuit 21 is that outside input positive voltage passes through
It is grounded after W1, the connection of diode D1 positive poles, outside input negative voltage is followed by by swept resistance W2, the connection of diode D2 negative poles
Ground.When adjusting swept resistance W1, the only positive half cycle peak change of square wave only has square wave negative half period when adjusting swept resistance W2
Peak change.
Circuit 23 is followed to include differential operational amplifier U1B；Differential operational amplifier U1B in-phase input end is provided with π
Type RC filter circuits, while differential operational amplifier U1B in-phase input end is connected by diode with exterior positive electrode source.
One of peak holding circuit 25 includes the filtered diode V3 of connection external input terminals, and is arranged on diode V3
The electric capacity of voltage regulation E2 and discharge resistance R9 of output end；The two of peak holding circuit 25 include the pole of filtering two of connection external input terminals
Pipe V4, and it is arranged on the electric capacity of voltage regulation E1 and discharge resistance R10 of diode V4 output ends
The square-wave signal after device 22 is adjusted is controlled to adjust after follower U1B, because of the unilateral conduction of diode, only just
Half-cycle signal passes through diode V3, while diode V3, resistance R9, electric capacity of voltage regulation E2 are also a peak holding circuit, from electricity
A DC control signal adjusted by swept resistance W1 i.e. Regulate signal A is obtained after resistance R142.
Reverse amplification circuit 24 includes differential operational amplifier U1D；Differential operational amplifier U1B inverting input with it is outer
Portion's negative supply connection.The square-wave signal after device 22 is adjusted is controlled to adjust after follower U1B, another way is through resistance R7, resistance R8
The sign-changing amplifier of composition exports from U1D output end, and at this moment square wave original positive-negative half-cycle is reverse, and positive half cycle becomes negative half period, bears half
Zhou Bianzheng half cycles, only former negative half-cycle signal can be exported after becoming positive signal by sign-changing amplifier by diode V4, two poles
Pipe V4, resistance R10, electric capacity of voltage regulation E1 are a peak holding circuits simultaneously, and one is obtained after R141 and is adjusted by swept resistance W2
The DC control signal of section is Regulate signal B.
So as to which two control signals transmitted by a connecting line, which are extracted, is split up into two single DC controls letters
Number, different parameters are controlled respectively.
Above-described embodiment is not construed as the limitation to scope of protection of the utility model, and those skilled in the art are based on
The improvement that technical solutions of the utility model or means are made, the protection domain of the utility model claims all should be fallen into.
Claims (7)
1. a kind of inverter type welder single line dual signal control circuit, including oscillating circuit (21), follow circuit (23) and peak holding
Circuit (25), it is characterised in that：It is Regulate signal A (26) and Regulate signal B (27) also including multichannel Regulate signal；It is described to follow
Circuit (23) one end is electrically connected indirectly through resistance (R4) and oscillating circuit (21) output end, follows circuit (23) other end one
It is by peak holding circuit (25) output regulation signal A (26), second, successively through reverse amplification circuit (24), peak holding electricity
Road (25) output regulation signal B (27)；Described follow is provided with control tune between circuit (23) and oscillating circuit (21) output end
Save signal A (26) and Regulate signal B (27) control and regulation device (22).
2. inverter type welder single line dual signal control circuit according to claim 1, it is characterised in that：The oscillating circuit
(21) operational amplifier (U1A) and peripheral components are included.
3. inverter type welder single line dual signal control circuit according to claim 1, it is characterised in that：The oscillating circuit
(21) square-wave signal of output controls to adjust device (22) bag by resistance (R4) by far controlling connecting line to device (22) is controlled to adjust
Include the control and regulation device (W1/D1) of the regulation positive half cycle peak value of square wave, and the control and regulation device of regulation square wave negative half period peak value
Part (W2/D2).
4. the inverter type welder single line dual signal control circuit according to claim 1 or 3, it is characterised in that：The control is adjusted
Section device (22) includes two swept resistances (W1, W2) and two diodes (D1, D2)；Oscillating circuit (21) output end is after resistance
It is grounded after swept resistance (W1), the connection of diode (D1) positive pole, oscillating circuit (21) output end is passed through simultaneously after resistance
It is grounded after swept resistance (W2), the connection of diode (D2) negative pole.
5. inverter type welder single line dual signal control circuit according to claim 1, it is characterised in that：It is described to follow circuit
(23) differential operational amplifier (U1B) is included；The in-phase input end of differential operational amplifier (U1B) is provided with π type RC filtered electricals
Road, while the in-phase input end of differential operational amplifier (U1B) is connected by diode with exterior positive electrode source.
6. inverter type welder single line dual signal control circuit according to claim 1, it is characterised in that：The peak holding electricity
Road (25) includes the filtered diode (V3, V4) of connection external input terminals, and is arranged on the steady of diode (V3, V4) output end
Voltage capacitance (E2, E1) and discharge resistance (R9, R10).
7. inverter type welder single line dual signal control circuit according to claim 1, it is characterised in that：The reversely amplification electricity
Road (24) includes differential operational amplifier (U1D)；The inverting input of differential operational amplifier (U1B) connects with exterior negative electrode source
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720294897.2U CN207026696U (en) | 2017-03-23 | 2017-03-23 | Inverter type welder single line dual signal control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720294897.2U CN207026696U (en) | 2017-03-23 | 2017-03-23 | Inverter type welder single line dual signal control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207026696U true CN207026696U (en) | 2018-02-23 |
Family
ID=61472929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720294897.2U Expired - Fee Related CN207026696U (en) | 2017-03-23 | 2017-03-23 | Inverter type welder single line dual signal control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207026696U (en) |
-
2017
- 2017-03-23 CN CN201720294897.2U patent/CN207026696U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20210323 |