CN203738195U - Power supply device of arc voltage induction type automatic welding head - Google Patents
Power supply device of arc voltage induction type automatic welding head Download PDFInfo
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- CN203738195U CN203738195U CN201420098445.3U CN201420098445U CN203738195U CN 203738195 U CN203738195 U CN 203738195U CN 201420098445 U CN201420098445 U CN 201420098445U CN 203738195 U CN203738195 U CN 203738195U
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- power supply
- arc voltage
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Abstract
The utility model discloses a power supply device of an arc voltage induction type automatic welding head. The power supply device comprises an auxiliary power supply module, an arc voltage power supply module and a power supply switching unit; the auxiliary power supply module and the arc voltage power supply module are switched through the power supply switching unit; the power supply switching unit comprises a second coil switch; switching of second switches which are arranged in the second coil switch is controlled by suction and disconnection of a second coil which is arranged in the second coil switch and accordingly the switching between the auxiliary power supply module and the arc voltage power supply module is achieved. According to the power supply device of the arc voltage induction type automatic welding head, the stable reliable work of the welding head of an arc voltage induction type automatic welding machine is achieved.
Description
Technical field
The utility model relates to welding equipment power supply technique field, refers to especially a kind of arc voltage induction automatic welding head electric supply installation.
Background technology
Along with the development of solder technology, in current industrial production, become very important metal manufacturing process.Especially in industries such as shipbuilding, harbour machinery, pressure vessel, oil-gas pipeline, metal structure factory building, power constructions, seem more important, the requirement of welding efficiency, welding quality, Welding Safety operation is also more and more higher.Along with cost of human resources is soaring year by year, traditional metal processing and manufacturing industry faces must accelerate automatic production model transformation.
About automatic welding head control technology, substantially adopt constant speed or speed change regulative mode both at home and abroad, mate respectively constant voltage constant-voltage welding source (CV) or the constant current dropping characteristic source of welding current, the working power of welding head must be separately extra simultaneously, extend cable length and be subject to current supply circuit voltage drop restriction, the large scope of operation, long distance welding scene bad adaptability; In addition have welding material or gage of wire bad adaptability, it is large that difficulty is controlled in operation.
Conventionally the welding head operating current of arc voltage induction automatic welding machine is relatively large, and needs continuous operation, makes the welding head work of arc voltage induction automatic welding machine comparatively unstable, and reliability is also lower.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of arc voltage induction automatic welding head electric supply installation, has realized the reliable and stable work of the welding head of arc voltage induction automatic welding machine.
The arc voltage induction automatic welding head electric supply installation providing based on above-mentioned purpose the utility model, comprises accessory power supply module, arc voltage power module and electrical source exchange unit; Switching between described accessory power supply module and arc voltage power module is switched by described electrical source exchange unit;
Described electrical source exchange unit comprises the second coil switch, thereby controls the switching of second switch in the second coil switch by adhesive and the disconnection of the second coil in the second coil switch, thereby completes the switching between accessory power supply module and arc voltage power module.
In some embodiments, described accessory power supply module comprises accessory power supply, rectifier bridge, DCDC converter unit; The electric current that accessory power supply provides is after described rectifier bridge rectification, and after DCDC converter unit carries out power supply wave shape standardization processing, the rear class that offers arc voltage induction automatic welding head is controlled power supply.
In some embodiments, the accessory power supply that described accessory power supply module provides is AC17.5V alternating current or DC24V direct current.
In some embodiments, described electrical source exchange unit also comprises single-chip microcomputer and power initiation unit, described single-chip microcomputer connects described the second coil switch through described power initiation unit, when welding head starts, single-chip microcomputer sends switching signal and through described power initiation unit, arrives described the second coil switch, and the second switch of controlling the second coil switch disconnects.
In some embodiments, the model of described single-chip microcomputer is PIC16F716.
In some embodiments, described power initiation unit comprises the first coil switch, the first resistance, the first triode and the first electric capacity; Described single-chip microcomputer is connected described the first coil switch through described first resistance of series connection with the first triode, and described first resistance and first capacity earth of described single-chip microcomputer through connecting, and described the first coil switch connects described the second coil switch.
As can be seen from above, the arc voltage induction automatic welding head electric supply installation that the utility model provides, by be set to accessory power supply in conjunction with arc voltage the operating voltage as system, before welding process does not start, by accessory power supply, provide system works power supply can complete that welding head shows and the function such as upper lower wire feeding hose completes the adjustment of welding wire tip position and welded condition before welding and detects, when welding process, starting by interlock circuit automatic switchover operating voltage is arc voltage; Thereby realized the seamless automatic switchover of dual power supply work and dual power supply.
Accompanying drawing explanation
The applied arc voltage of arc voltage induction automatic welding head electric supply installation that Fig. 1 provides for the utility model is responded to the construction module schematic diagram of automatic welding machine head unit embodiment;
The applied arc voltage of arc voltage induction automatic welding head electric supply installation that Fig. 2 provides for the utility model is responded to the electrical block diagram of control module in automatic welding machine head unit embodiment;
The arc voltage that Fig. 3 provides for the utility model is responded to the structural representation of an embodiment of automatic welding head electric supply installation.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
It should be noted that, in the utility model embodiment, the statement such as all uses " first ", " second " is all in order to distinguish the non-identical entity of same names or non-identical parameter, visible " first ", " second " etc. are the convenience in order to explain only, should not be construed as the restriction to the utility model embodiment, subsequent embodiment is explanation no longer one by one to this.
With reference to accompanying drawing 1, for the arc voltage that the utility model provides is responded to the construction module schematic diagram that the applied arc voltage of automatic welding head electric supply installation is responded to automatic welding machine head unit embodiment.
The frame head apparatus of described arc voltage induction automatic welding machine, comprises welding head 100 and control module 200;
Described welding head 100 comprises printed motor 102, gear reduction box 103, four-wheel wire feed assembly 104; Described printed motor 102 connects described gear reduction box 103, and described gear reduction box 103 connects described four-wheel wire feed assembly 104, thereby guarantees to stablize wire feed;
Described control module 200 comprises supply module 206 and electric machine speed regulation module 201;
Described supply module 206 comprises that accessory power supply module 20, arc voltage power module 10 and electrical source exchange unit 30(are with reference to accompanying drawing 3); Switching between described accessory power supply module 20 and arc voltage power module 10 is switched by described electrical source exchange unit 30; When welding head 100 is during in holding state, adopting accessory power supply module 20 is its power supply; When welding head 100 is started working, cut off accessory power supply module 20 and adopt arc voltage power module 10 for its power supply;
The status information of described electric machine speed regulation module 201 Real-time Collection welding heads 100, thereby wire feed rate or the welding wire melting rate of adjusting welding head 100.
With reference to accompanying drawing 2, for the arc voltage that the utility model provides is responded to the electrical block diagram that the applied arc voltage of automatic welding head electric supply installation is responded to control module in automatic welding machine head unit embodiment.
Further, by reference to the accompanying drawings 1, described welding head 100 comprises for controlling the wire feed rate of welding head 100 or the printed motor of welding wire melting rate 102; Described control module 200 also comprises and minimizes control system 203 and motor commutation unit 202; Described motor commutation unit 202 comprises commutation control module and commutation performance element;
The output signal of electric machine speed regulation module 201 is as commutation performance element input signal, and commutation performance element is controlled by commutation control module input signal is realized to motor commutation function through tertiary coil K switch 1 by specific phase sequence output.
Optionally, described motor commutation unit 202 also comprises the communtation protection network being connected with described commutation performance element; Communtation protection network for contact when commutation of tertiary coil K switch 1, absorb surge peak voltage and between transfer period afterflow avoid contact arc discharge to damage.
Further, by reference to the accompanying drawings 1 and accompanying drawing 2, described control module also comprises telecommunication module 204, power initiation unit 205, wire-feed motor start unit 207 and operation interface 208.
The described control system 203 that minimizes comprises single-chip microcomputer (model is PIC16F716) N1, the electrify restoration circuit consisting of resistance R 10, capacitor C 3 and capacitor C 6, the clock circuit consisting of crystal oscillator G1, capacitor C 16 and capacitor C 17.
Described motor commutation unit 202 comprises commutation control module, commutation performance element and communtation protection unit; The output signal of electric machine speed regulation module 201 is as the input signal of described commutation performance element, and described commutation performance element is controlled by described commutation control module input signal is realized to motor commutation function through tertiary coil K switch 1 by specific phase sequence output.Particularly, when single-chip microcomputer N1 output motor direction of rotation signal is 1, signal is through resistance R 13, capacitor C 11, triode VT3 is open-minded, the tertiary coil adhesive of tertiary coil K switch 1, the contact 4 of the contact 3 of tertiary coil K switch 1 and contact 5 and tertiary coil K switch 1 and contact 6 are connected respectively, thereby complete printed motor, are rotated in the forward; When single-chip microcomputer N1 output motor direction of rotation signal is 0, signal is through resistance R 13, capacitor C 11, triode VT3 is closed, the tertiary coil of tertiary coil K switch 1 disconnects, the contact 2 of the contact 1 of tertiary coil K switch 1 and contact 5 and tertiary coil K switch 1 and contact 6 are connected respectively, thereby complete printed motor reverse rotation; Described communtation protection network absorbs contact afterflow between transfer period of surge peak voltage and the first coil K switch 1 when the commutation and avoids contact arc discharge to damage for the contact of tertiary coil K switch 1.
Its Reference numeral in accompanying drawing 2 of described telecommunication module 204(is M1) adopt power carrier special module to form.Described power initiation unit 205 is also controlled the applied arc voltage induction of arc voltage induction automatic welding machine head unit embodiment automatic welding carriage and is started when control the second coil switch K2 cuts off and starts system power supply.Described operation interface 208 comprises startup, stops, wire feed, reeling off raw silk from cocoons and various welding parameter is set (striking current, arcing time, receipts arc current, receive arc time, welding current etc.).Described wire-feed motor start unit 207 requires to provide chronologically wire-feed motor starting switch signal after welding system completes startup, in described wire-feed motor start unit 207 by resistance R 3, capacitor C 15, triode VT1, form and control with tertiary coil K switch 3, when enabling signal or wire feed, when the signal that reels off raw silk from cocoons is effective, single-chip microcomputer N1 exports high signal (FEEDER-ON), triode VT1 conducting, the tertiary coil adhesive of tertiary coil K switch 3, the 18He contact, contact 20 of tertiary coil K switch 3 and the 23He contact, contact of tertiary coil K switch 3 21 be closed connection respectively, these two groups of contacts are respectively used to printed motor (being also wire feeding motor) startup and the startup of bi-motor (movable motor of printed motor and dolly) drive system is controlled standby.
With reference to accompanying drawing 3, the structural representation of an embodiment of the arc voltage induction automatic welding head electric supply installation providing for the utility model.
Described arc voltage induction automatic welding head electric supply installation (being also the supply module 206 in Fig. 1), comprises accessory power supply module 20, arc voltage power module 10 and electrical source exchange unit 30; Switching between described accessory power supply module 20 and arc voltage power module 10 is switched by described electrical source exchange unit 30; Motor power 40 when the power supply before and after switching is used separately as standby and while working and control power supply 70; Power device 50 power supplies that described motor power 40 is responded to automatic welding head for giving described arc voltage, and be used as while controlling power supply 70, also need and control increase between power supply 70 in described electrical source exchange unit 30 wide region DCDC unit 60 is set.
In conjunction with reference to accompanying drawing 2, described electrical source exchange unit 30 comprises that the second coil opens K2 and close, thereby the switching of second switch in the second coil switch K2 is controlled in adhesive and disconnection by the second coil in the second coil switch K2, thereby completes the switching between accessory power supply module 20 and arc voltage power module 10.
Further, described accessory power supply module 20 comprises accessory power supply CN6, rectifier bridge VC1, DCDC converter unit; The electric current that accessory power supply CN6 provides is after described rectifier bridge VC1 rectification, and after DCDC converter unit carries out power supply wave shape standardization processing, the rear class that offers arc voltage induction automatic welding head is controlled power supply.Optionally, the accessory power supply CN6 that described accessory power supply module 20 provides is AC17.5V alternating current or DC24V direct current.
Preferably, in conjunction with reference to accompanying drawing 2, described electrical source exchange unit 30 also comprises single-chip microcomputer N1 and power initiation unit, described single-chip microcomputer N1 connects described the second coil switch K2 through described power initiation unit, when welding head starts, single-chip microcomputer N1 sends switching signal and through described power initiation unit, arrives described the second coil switch K2, and the second switch of controlling the second coil switch K2 disconnects.Optionally, the model of described single-chip microcomputer is PIC16F716.
Further, described power initiation unit comprises the first coil K switch 4A, the first resistance R 1, the first triode VT2 and the first capacitor C 20; Described single-chip microcomputer N1 is connected described the first coil K switch 4A through described first resistance R 1 of series connection with the first triode VT2, and described single-chip microcomputer N1 is through described the first resistance R 1 and first capacitor C 20 ground connection of series connection, and described the first coil K switch 4A connects described the second coil switch K2.
Preferably, described accessory power supply module 20 and electrical source exchange unit provide welding equipment (comprising welding head and arc voltage induction automatic welding carriage) not start the power supply that control system (comprising control module 200) must be used before, and automatically cut off the accessory power supply CN6 that accessory power supply module 20 provides after power initiation completes.
Further, the accessory power supply CN6 that accessory power supply module 20 provides is after rectifier bridge VC1 rectification, wherein a road offers DCDC converter unit and carries out power supply wave shape standardization processing and provide rear class to control power supply to use, another road offers electrical source exchange unit and is controlled by the control of the power supply starting signal of single-chip microcomputer N1, thereby determines whether to export to printed motor (that is wire feeding motor of welding head) and movable motor (movable motor of arc voltage induction automatic welding carriage) drive circuit use, particularly, before power supply does not start, the second coil adhesive of the second coil switch K2, the 11He contact, contact 13 of the second coil switch K2 and the 10He contact, contact of the second coil switch K2 14 be closed connection respectively, the normal output of accessory power supply offers printed motor (that is wire feeding motor of welding head) and movable motor (movable motor of arc voltage induction automatic welding carriage) drive circuit uses, after power initiation, the second coil of the second coil switch K2 disconnects, the 11He contact, contact 13 of the second coil switch K2 and the 10He contact, contact 14 of the second coil switch K2 disconnect respectively, accessory power supply is cut off, drive circuit power supply turns by arc voltage provides for printed motor (that is wire feeding motor of welding head) and the movable motor movable motor of automatic welding carriage (arc voltage induction).
As can be seen from above, the arc voltage induction automatic welding head electric supply installation that the utility model provides, by be set to accessory power supply in conjunction with arc voltage the operating voltage as system, before welding process does not start, by accessory power supply, provide system works power supply can complete that welding head shows and the function such as upper lower wire feeding hose completes the adjustment of welding wire tip position and welded condition before welding and detects, when welding process, starting by interlock circuit automatic switchover operating voltage is arc voltage; Thereby realized the seamless automatic switchover of dual power supply work and dual power supply.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. an arc voltage induction automatic welding head electric supply installation, is characterized in that, comprises accessory power supply module, arc voltage power module and electrical source exchange unit; Switching between described accessory power supply module and arc voltage power module is switched by described electrical source exchange unit;
Described electrical source exchange unit comprises the second coil switch, thereby controls the switching of second switch in the second coil switch by adhesive and the disconnection of the second coil in the second coil switch, thereby completes the switching between accessory power supply module and arc voltage power module;
Wherein, described accessory power supply module comprises accessory power supply, rectifier bridge, DCDC converter unit; The electric current that accessory power supply provides is after described rectifier bridge rectification, and after DCDC converter unit carries out power supply wave shape standardization processing, the rear class that offers arc voltage induction automatic welding head is controlled power supply.
2. electric supply installation according to claim 1, is characterized in that, the accessory power supply that described accessory power supply module provides is AC17.5V alternating current or DC24V direct current.
3. electric supply installation according to claim 1 and 2, it is characterized in that, described electrical source exchange unit also comprises single-chip microcomputer and power initiation unit, described single-chip microcomputer connects described the second coil switch through described power initiation unit, when welding head starts, single-chip microcomputer sends switching signal and through described power initiation unit, arrives described the second coil switch, and the second switch of controlling the second coil switch disconnects.
4. electric supply installation according to claim 3, is characterized in that, the model of described single-chip microcomputer is PIC16F716.
5. electric supply installation according to claim 3, is characterized in that, described power initiation unit comprises the first coil switch, the first resistance, the first triode and the first electric capacity; Described single-chip microcomputer is connected described the first coil switch through described first resistance of series connection with the first triode, and described first resistance and first capacity earth of described single-chip microcomputer through connecting, and described the first coil switch connects described the second coil switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098445.3U CN203738195U (en) | 2014-03-05 | 2014-03-05 | Power supply device of arc voltage induction type automatic welding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098445.3U CN203738195U (en) | 2014-03-05 | 2014-03-05 | Power supply device of arc voltage induction type automatic welding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738195U true CN203738195U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098445.3U Expired - Fee Related CN203738195U (en) | 2014-03-05 | 2014-03-05 | Power supply device of arc voltage induction type automatic welding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738195U (en) |
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2014
- 2014-03-05 CN CN201420098445.3U patent/CN203738195U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20200305 |