CN104191076A - Voltage and frequency adjusting device - Google Patents
Voltage and frequency adjusting device Download PDFInfo
- Publication number
- CN104191076A CN104191076A CN201410423406.0A CN201410423406A CN104191076A CN 104191076 A CN104191076 A CN 104191076A CN 201410423406 A CN201410423406 A CN 201410423406A CN 104191076 A CN104191076 A CN 104191076A
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- CN
- China
- Prior art keywords
- voltage
- pin
- power elements
- power
- driving circuits
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
-
- 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
-
- 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
- B23K9/105—Power supply characterised by the electric circuit by using discharge tubes or mechanical contactors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Power Conversion In General (AREA)
Abstract
The invention relates to a voltage and frequency adjusting device. The voltage and frequency adjusting device comprises power elements, driving circuits, circuit boards and cooling fins. The power elements are fixed onto the cooling fins, the circuit boards are fixed onto the power elements, and the driving circuits are welded onto the circuit boards. According to the voltage and frequency adjusting device, the power elements and the driving circuits are integrated, high-power modules are adopted in the power elements, and therefore the problem that when a plurality of discrete elements are in hard parallel connection, conduction is not uniform is solved; the driving circuits and the power elements are isolated through photoelectric couplers, and therefore the situation that a control circuit is damaged due to the fact that the power elements are broken down and burnt out is avoided; the number of the power elements is two sets, the number of the driving circuits is also two sets, therefore, once a fault occurs, the other set of power elements and the other set of driving circuits can be switched to immediately; switching of the two sets of power elements and the two sets of driving circuits can be realized through switches, and therefore use and maintenance convenience is improved.
Description
Technical field
The present invention relates to a kind of electric spark overlaying and repair acc power assembly, be specifically related to a kind of power frequency conversion output precision being applied on electric spark overlaying reparation machine.
Background technology
Electric spark overlaying is repaired machine, belongs to the one of cold welding machine, is mainly used in the soldering of mould, the repairing of cast casting defect.Early stage electric spark overlaying is repaired machine and is all adopted the multiple parallel waies of discrete power component, because adopt hard parallel way, thus be difficult to control the uniformity of each power component conducting, so the thing that causes power component overload to be damaged often occurs; Once power component punctures, scaling loss etc., also can be drive circuit and control circuit scaling loss in the lump.In recent years, there is development fast although electric spark overlaying is repaired machine, and made for above-mentioned reasons fault rate still present ascendant trend.
Therefore, develop a kind of novel voltage and frequency regulation arrangement and seem particularly necessary.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of by integrated to power component and drive circuit, overcome the inconsistent problem of the hard conducting in parallel of multiple discrete components, and drive circuit and power component photoelectric coupler isolation, avoided destroying control circuit because of (PCC) power punctures, scaling loss etc.
Object of the present invention is achieved through the following technical solutions, a kind of voltage and frequency regulation arrangement, comprise power component, drive circuit, circuit board and fin, described power component is fixed on described fin, described circuit board is fixed on described power component, and described drive circuit is welded on described circuit board.
Preferably, the below of described circuit board is provided with six input terminals, and the upper right side of described circuit board is provided with a lead-out terminal, and the upper left side of described circuit board is provided with a signal input output interface.
Preferably, described power component and drive circuit all have two groups.
Compared with prior art, beneficial effect of the present invention is as follows: by power component and drive circuit is integrated and power component adopt high power module, overcome the inconsistent problem of the hard conducting in parallel of multiple discrete components; And drive circuit and power component photoelectric coupler isolation, avoided destroying control circuit because of (PCC) power punctures, scaling loss etc.; Each power component and drive circuit all have two groups, once there be fault to occur, can be switched to immediately another group upper, also can realize by switch the switching of two-way power component and drive circuit, to improve the degree of convenience that uses and keep in repair.
Brief description of the drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is that master of the present invention looks schematic diagram;
Fig. 2 is that schematic diagram is looked on a left side of the present invention;
Fig. 3 is schematic rear view of the present invention;
Fig. 4 is integrated circuit principle schematic of the present invention;
Fig. 5 is voltage-regulation of the present invention and current control circuit schematic diagram;
Fig. 6 is voltage-regulation power component of the present invention and driving principle figure;
Fig. 7 is frequency adjustment control circuit figure of the present invention;
Fig. 8 is frequency adjustment power component of the present invention and driving principle figure.
In figure: 1 is first signal input/output interface, 2 is current divider, 3 is the first output wiring terminal, 4 is an IGBT element, 5 is fly-wheel diode, 6 is the first terminals of connecting wire, 7 is the second terminals of connecting wire, 8 is the 3rd terminals of connecting wire, 9 is the 4th terminals of connecting wire, 10 is the 5th terminals of connecting wire, 11 is the 6th terminals of connecting wire, 12 is the 7th terminals of connecting wire, 13 is the 8th terminals of connecting wire, 28 is the 9th terminals of connecting wire, 29 is the tenth terminals of connecting wire, 14 is first circuit board, 15 is main switchboard, 16 is sub-control plate, 17 is Regulation Control plate, 19 is the first fin, 20 is rectifying and wave-filtering plate, 21 is the second fin, 22 is the first relay group, 23 is VFC plate, 24 is secondary signal input/output interface, 25 is the 2nd IGBT element, 26 is the second output wiring terminal, 27 is reverse-phase protection diode, 30 is the second relay group, 31 is second circuit board.
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 further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
Voltage as shown in Figure 1, Figure 2 and Figure 3 and frequency regulation arrangement, comprise power component, drive circuit, circuit board and fin, power component is fixed on fin, circuit board is fixed on power component, drive circuit is welded on circuit board, power component and circuit board can be fixed by the form of screw, power component and drive circuit can all be established two groups, power component is respectively an IGBT element 4 and the 2nd IGBT element 25, the one IGBT element 4 and the 2nd IGBT element 25 can adopt high-power IGBT element, and model is CM300DY-12H, circuit board is respectively first circuit board 14 and second circuit board 31, corresponding the first drive circuit of difference and the second drive circuit on first circuit board 14 and second circuit board 31, the below of first circuit board 14 and the first drive circuit is provided with the first terminals of connecting wire 6, the second terminals of connecting wire 7, the 3rd terminals of connecting wire 8, the 4th terminals of connecting wire 9, the 5th terminals of connecting wire 10, the 6th terminals of connecting wire 11, the 7th terminals of connecting wire 12, the 8th terminals of connecting wire 13, wherein the first terminals of connecting wire 6, the second terminals of connecting wire 7, the 4th terminals of connecting wire 9, the 6th terminals of connecting wire 11, the 7th terminals of connecting wire 12, the 8th terminals of connecting wire 13 these six terminals of connecting wires are as input terminal, the upper right side of first circuit board 14 and the first drive circuit is provided with the first output wiring terminal 3, and as lead-out terminal, the upper left side of first circuit board 14 and the first drive circuit is provided with first signal input/output interface 1, as control signal interface, the below of second circuit board 31 and the second drive circuit is provided with the 9th terminals of connecting wire 28 and the tenth terminals of connecting wire 29, as input terminal, the upper right side of second circuit board 31 and the second drive circuit is provided with the second output wiring terminal 26, and as lead-out terminal, the upper left side of second circuit board 31 and the second drive circuit is provided with secondary signal input/output interface 24, as another control signal interface, once have fault to occur, two-way power component and two-way drive circuit can be switched to separately on the way immediately by first signal input/output interface 1 or secondary signal input/output interface 24, fin can comprise the first fin 19 and the second fin 21, other auxiliary element comprises current divider 2, fly-wheel diode 5, main switchboard 15, sub-control plate 16, Regulation Control plate 17, rectifying and wave-filtering plate 20, the first relay group 22, VFC plate 23, reverse-phase protection diode 27 and the second relay group 30, these auxiliary elements are all arranged on the surrounding of power component and drive circuit, simultaneously, also can realize by switch the switching of two-way power component and drive circuit, to improve the degree of convenience that uses and keep in repair, in addition, IGBT (Insulated Gate Bipolar Transistor) is insulated gate bipolar transistor, the compound full-control type voltage driven type power semiconductor being formed by BJT (double pole triode) and MOS (insulating gate type field effect tube), because IGBT combines the advantage of above two kinds of devices, little and the saturation pressure of driving power reduces, and is therefore applicable to being applied to DC voltage and is 600V and above converter system as fields such as alternating current generator, frequency converter, Switching Power Supply, lighting circuit, Traction Drives.
In integrated circuit of the present invention, as shown in Figure 4, it is upper that civil power is connected to power switch S4 by power interface JP5, fuse F1, is divided into 2 tunnels, and a road adds on fan interface JP6, another road adds on main transformer BT1, through the output of main transformer transformation, rectifier bridge B2 rectification, the smooth direct current electricity that obtains 90V left and right after capacitance group E15 filtering adds on the IC15 input of (PCC) power, C12, R59, D3 form holding circuit, the commutation circuit of J1, S2 composition (PCC) power; Voltage under holding state between the G1 of IC15 and E1, G2 and E2 pin is all in-5V, in cut-off holding state.
As shown in Figure 5, after operating switch is opened, 2 pin of IC8 are lower than 3 pin voltages for voltage-regulation of the present invention and Current Control, and 1 pin becomes high-impedance state D4 cut-off, regulate the voltage-regulation potentiometer on panel, make control voltage of its output add to 2 pin of IC2 by resistance R 2, resistance R 1 is feedback voltage division resistance, at this moment can produce 2 pin of an IC2 higher than the voltage of 3 pin, the voltage that now 6 pin of IC2 can be exported an approximately-5V makes its D1 cut-off by resistance R 6, now 5 pin of IC7 are lower than 6 pin, can be from an electronegative potential of 7 pin outputs of IC7, add to 6 pin of IC8 by R24, C8 filtering, the 6 pin electronegative potential times of its IC8 are lengthened, thereby lengthened the 7 pin high-impedance state times of its IC8, + 12V voltage adds to the base stage of triode Q2 by R62, R61, Q2 cut-off, + 12V adds to the base stage of triode Q1 by R38, make its Q1 conducting, D2 conducting, if output voltage exceedes predeterminated voltage, feedback voltage by R1 dividing potential drop, adds to 2 pin of IC2, at this moment can produce 2 pin of an IC2 lower than the voltage of 3 pin, and now 6 pin of IC2 can be exported a high level and add to by resistance R 6, D1 5 pin of IC7, make its 5 pin voltage higher than 6 pin, can be from a high potential of 7 pin outputs of IC7, add to 6 pin of IC8 by R24, C8 filtering, the 6 pin high potential times of its IC8 are lengthened, thereby lengthened the 7 pin low level state times of its IC8, this low-voltage adds to the base stage of triode Q2, Q2 saturation conduction by R61, make its triode Q1 cut-off, Q3 saturation conduction, D2 cut-off, thereby realize voltage regulation function, in the time that electric current exceedes preset value, current divider R64 two ends output voltage, by resistance R 19, C5 filtering adds to 3 pin of IC7, R32, W1 forms negative-feedback circuit, now 3 pin of IC7 are higher than 2 pin, pass through resistance R 26 from high potential of 1 pin output of IC7, capacitor C 7 filtering add to 5 pin of IC7, make its 5 pin voltage higher than 6 pin, from a high potential of 7 pin outputs of IC7, pass through R24, C8 filtering adds to 6 pin of IC8, the 6 pin high potential times of its IC8 are lengthened, thereby lengthened the 7 pin low level state times of its IC8, this low-voltage adds to the base stage of triode Q2 by R61, Q2 saturation conduction, make its triode Q1 cut-off, Q3 saturation conduction, D2 cut-off, thus realize the function of controlling electric current.
Voltage-regulation power component of the present invention and drive circuit are as shown in Figure 6, when after diode D2 conducting ,+12V voltage adds to 2 pin of photoelectrical coupler IC17 by resistance R 39, and voltage is received 2 pin of IC18 out from 3 pin of IC17, finally directly receive negative pole by 3 pin of IC18, form loop; R40, R44 resistance function first are shunting actions, the secondth, no matter which photoelectrical coupler open circuit can make its another can normally work; In the time of IC18 conducting, can, from the voltage of the one+12V of 6 pin outputs of IC18, add to by resistance R 47 on the G2 pin of (PCC) power C2 of IC15 inside, thereby make its C2 conducting, electric current adds to the upper charging of capacitance group E16 ~ E20 by current divider R64, and negative pole adds on rectifier bridge B2 by inductance L 1; Diode D4, D5 are fly-wheel diode, and in the time that (PCC) power ends, inductance L 1 can produce reverse voltage and add to the upper charging of capacitance group E16 ~ E20 by diode D4, D5 current divider R64;
IC11, IC12 are drive circuit insulating power supply, and object is for control circuit power supply and drive circuit isolated from power; IC17, IC18 are photoelectrical coupler, make the isolation of its control circuit and drive circuit, power component, once the faults such as puncturing appears in power component, sparking, can scaling loss control circuit level control power supply; In the time there is puncturing, open circuit the faults such as sparking in the (PCC) power C2 of IC15 inside, now can regulate S2 switch, make its relay J 1 be transformed into the (PCC) power C2 position of short circuit IC15 inside from the (PCC) power C1 position of short circuit IC15 inside, thereby realized quick repair function.
Frequency adjustment control circuit of the present invention as shown in Figure 7, by a voltage of frequency adjustment potentiometer centre cap output, by resistance R 15, R18 dividing potential drop adds to 3 pin of IC10, make 1 pin of IC10 produce a high potential, add to 7 pin of IC9 by R7, add to afterwards 2 pin and 6 pin of IC9 by resistance R 63, and charge to capacitor C 2 simultaneously, in the time that capacitor C 2 both end voltage reach preset value, 7 pin of IC9 are opened, capacitor C 2 is by resistance R 63, 7 pin of IC9 discharge over the ground, go round and begin again and ceaselessly capacitor C 2 is discharged and recharged and formed triangular wave formation circuit, this triangular wave adds to 6 pin of IC10 and the 5 pin operation amplifiers of IC10 are exported at 7 pin of IC10, add to the base stage of triode Q4 by R10, make its Q4 be operated in saturated and cut-off state.
Frequency adjustment power component of the present invention and drive circuit are as shown in Figure 8, when after triode saturation conduction, + 12V voltage adds to 2 pin of optocoupler IC19 from out laggard 2 pin to IC20 of 3 pin of IC19 by resistance R 9, add on the colelctor electrode of Q4 out from 3 pin of IC20, forms loop; R51, R55 resistance function first are shunting actions, the secondth, no matter which photoelectrical coupler open circuit can make its another can normally work; In the time of IC20 conducting, can, from the voltage of the one+12V of 6 pin outputs of IC20, add to by resistance R 54 on the G2 pin of (PCC) power C2 of IC16 inside, thereby make its C2 conducting, add in output stage, be connected to welding gun, turn back to the negative pole of capacitance group E16 ~ E20 from workpiece interface; IC13, IC14 are drive circuit insulating power supply, and object is for control circuit power supply and drive circuit isolated from power; IC19, IC20 are photoelectrical coupler, make the isolation of its control circuit and drive circuit, power component, once the faults such as puncturing appears in power component, sparking, can scaling loss control circuit and control power supply; In the time there is puncturing, open circuit the faults such as sparking in the (PCC) power C2 of IC16 inside, now can regulate S3 switch, make its relay group J2 be transformed into the (PCC) power C2 position of short circuit IC16 inside from the (PCC) power C1 position of short circuit IC16 inside, thereby realized quick repair function.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and 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 (3)
1. a voltage and frequency regulation arrangement, it is characterized in that, comprise power component, drive circuit, circuit board and fin, described power component is fixed on described fin, described circuit board is fixed on described power component, and described drive circuit is welded on described circuit board.
2. a kind of voltage as claimed in claim 1 and frequency regulation arrangement, it is characterized in that, the below of described circuit board is provided with six input terminals, and the upper right side of described circuit board is provided with a lead-out terminal, and the upper left side of described circuit board is provided with a signal input output interface.
3. a kind of voltage as claimed in claim 1 or 2 and frequency regulation arrangement, is characterized in that, described power component and drive circuit all have two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423406.0A CN104191076A (en) | 2014-08-26 | 2014-08-26 | Voltage and frequency adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423406.0A CN104191076A (en) | 2014-08-26 | 2014-08-26 | Voltage and frequency adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104191076A true CN104191076A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410423406.0A Pending CN104191076A (en) | 2014-08-26 | 2014-08-26 | Voltage and frequency adjusting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104191076A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0760442A (en) * | 1993-08-30 | 1995-03-07 | Sansha Electric Mfg Co Ltd | Power supply device for arc welding |
| CN2325931Y (en) * | 1997-02-27 | 1999-06-23 | 深圳市华为通信股份有限公司 | Bell-ringing signal source arrangement |
| CN202622132U (en) * | 2012-03-12 | 2012-12-26 | 尚天德 | Multifunctional digital control inversion direct-current manual arc welding machine |
| CN202963744U (en) * | 2012-12-07 | 2013-06-05 | 陈毅丹 | Power supply circuit of inverter welding machine |
| CN203992792U (en) * | 2014-08-26 | 2014-12-10 | 王建辉 | A kind of voltage and frequency regulation arrangement |
-
2014
- 2014-08-26 CN CN201410423406.0A patent/CN104191076A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0760442A (en) * | 1993-08-30 | 1995-03-07 | Sansha Electric Mfg Co Ltd | Power supply device for arc welding |
| CN2325931Y (en) * | 1997-02-27 | 1999-06-23 | 深圳市华为通信股份有限公司 | Bell-ringing signal source arrangement |
| CN202622132U (en) * | 2012-03-12 | 2012-12-26 | 尚天德 | Multifunctional digital control inversion direct-current manual arc welding machine |
| CN202963744U (en) * | 2012-12-07 | 2013-06-05 | 陈毅丹 | Power supply circuit of inverter welding machine |
| CN203992792U (en) * | 2014-08-26 | 2014-12-10 | 王建辉 | A kind of voltage and frequency regulation arrangement |
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Application publication date: 20141210 |