CN103490637A - High-power adjustable power supply - Google Patents
High-power adjustable power supply Download PDFInfo
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- CN103490637A CN103490637A CN201310480830.4A CN201310480830A CN103490637A CN 103490637 A CN103490637 A CN 103490637A CN 201310480830 A CN201310480830 A CN 201310480830A CN 103490637 A CN103490637 A CN 103490637A
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- frequency transformer
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Abstract
The invention provides a high-power adjustable power supply which comprises a switching power supply, a three-phase rectifier bridge, a capacitive filter, an IGBT (Insulated Gate Bipolar Translator) module and a high-frequency transformer, wherein the switching power supply is sequentially connected with the three-phase rectifier bridge, the capacitive filter, the IGBT module and the high-frequency transformer; the IGBT module and the high-frequency transformer are both connected with a radiating unit; the three-phase rectifier bridge is connected with an air inlet fan and an air outlet fan. The high-power adjustable power supply provided by the invention is suitable for a high-power welder, works by adopting three-phase dynamic electricity, reduces the volume and weight of the transformer, responds the national appeal of energy conservation and emission reduction, actually reduces the carbon discharge and air pollution of an electric power plant, saves the production cost for customers and enhances the energy utilization ratio of the traditional chain welder from 30% to 80%. According to the invention, as for the traditional chain welder, the electric charge of ** yuan is needed for one month, and the electric charge of only ** yuan is needed for one month through the improvement of a power supply aspect.
Description
Technical field
The present invention relates to a kind of high power adjustable source.
Background technology
At present, domesticly generally adopt single-phase AC380V Power supply, directly give the power-frequency voltage device, then be output as AC3V25KA, frequency is 50HZ, this kind of mode only used the phase in the three-phase power electric, and other two-phases are not used, this situation can cause the mains supply imbalance, that circuitry phase be used can produce excessive electric current, cause electrical network to be easy to fluctuation, owing to using lower work frequency work, volume of transformer is large, weight is large, capacity usage ratio is very low, only in 30% left and right, 70% electric energy has been wasted, for this situation, the technical staff has researched and developed intermediate frequency power supply, but the operating frequency of intermediate frequency power supply is 2KHz, solved the mains supply equilibrium problem, efficiency also brings up to 50%, but there is no the constant current output control mode.
Summary of the invention
For above-mentioned defect and the problem of prior art, the purpose of the embodiment of the present invention is to provide and is solving the mains supply equilibrium problem, and efficiency reaches 80%, and a kind of high power adjustable source of output is controlled in constant current.
In order to achieve the above object, the invention provides following technical scheme:
A kind of high power adjustable source, by Switching Power Supply, three-phase bridge rectifier, capacitive filter, IGBT module, high frequency transformer, formed, Switching Power Supply and three-phase bridge rectifier, capacitive filter, IGBT module, high frequency transformer are linked in sequence, wherein IGBT module, high frequency transformer all connect heat-sink unit, and three-phase bridge rectifier connects the air intake fan and goes out fan.
Further technical scheme, described heat-sink unit is that water cooling tube forms.
The present invention is applicable to the high power bonding machine and uses, and adopts the work of three-phase power electric, solves the mains supply equilibrium problem; The Switching Power Supply operating frequency is provided, obtains the higher energy efficiency utilance, reduce volume of transformer and weight simultaneously; Adopt closed-loop control, output current is measured, then by the processor ratio, regulate, reaching output constant current controls, this power supply when being used, welding field is had higher intelligent and repeated, responding national energy-saving and emission-reduction calls, actual charcoal discharge and the air pollution that reduces power plant, and for the client saves production cost, make traditional chain welding machine capacity usage ratio bring up to 80% from 30%, for a traditional chain welding machine, electricity charge in month need 80,000 yuan, by the improvement of power supply aspect, electricity charge in month only need 30,000 yuan.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present invention.
Fig. 2 is left TV structure schematic diagram of the present invention.
Wherein: 1, air intake fan; 2, Switching Power Supply; 3, three-phase bridge rectifier; 4, capacitive filter; 5, IGBT module; 6, high frequency transformer; 7, go out fan; 8, heat-sink unit.
Embodiment
Below in conjunction with accompanying drawing of the present invention, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
The invention provides know-why is: adopt the power supply of three-phase AC380V power electric, become direct current 550V voltage after three phase rectifier filtering, and then become low pressure output through H bridging frequency and transformer, under loading condition, maximum is output as AC3V20KA, and frequency is 15KHZ, and peak power output is 60KW, by output current is measured, and regulate to reach by the processor ratio output is carried out to constant current control.
Shown in Fig. 1, a kind of high power adjustable source, by Switching Power Supply, three-phase bridge rectifier, capacitive filter, IGBT module, high frequency transformer, formed, Switching Power Supply and three-phase bridge rectifier, capacitive filter, IGBT module, high frequency transformer are linked in sequence, wherein IGBT module, high frequency transformer all connect heat-sink unit, three-phase bridge rectifier connects the air intake fan and goes out fan, and described heat-sink unit is that water cooling tube forms.The IGBT module is used the IGBT module that model is PM300CLA120, the IGBT module comprises radiator, the AC380V three-phase electricity becomes pulsating dc voltage after three-phase bridge rectifier MDS500, then become the 550V direct voltage after 2200uF/1200V capacitive filter capacitor filtering, then by the H bridge of IGBT module composition, produced the switching frequency of 15KHz, the pulsating current of 15KHz is flow through on the former limit of the high frequency transformer connect after making, and voltage peak is 550V.Like this, the high frequency transformer secondary can produce the alternating current of 15KHz, under loading condition, measure the output current of secondary by Luo-coil, then regulate by the processor ratio work duty ratio of controlling the IGBT module, make the output current size of high frequency transformer secondary reach the current value that the user programmes by central processing unit and set in advance, thereby be stabilized in the constant current output mode, maximum output can reach AC3V25KA15KHz.
The contrast of traditional Industrial Frequency Transformer 150KVA power supply that table 1 is the present invention and prior art use and the technical parameter of intermediate frequency source of welding current 20KA power supply
| ? | Tradition Industrial Frequency Transformer 150KVA | Intermediate frequency source of welding current 20KA | QH-6020 |
| Power input voltage | AC380V±10% | AC380V±10% | AC380V±10% |
| The power supply input number of phases | Single-phase | Three-phase | Three-phase |
| The power supply incoming frequency | 50HZ | 50HZ | 50HZ |
| Electric power output voltage (zero load) | AC5V-AC20V | AC9V | AC9V |
| Electric power output voltage (specified) | The AC3V(effective value) | The AC3V(effective value) | The AC3V(effective value) |
| Power supply output-welding current | Exchange | Exchange | Exchange |
| The power supply output frequency | 50HZ | 1.5KHZ | 15KHZ |
| Output power of power supply (specified) | 60KW | 60KW | 60KW |
| Power supply output effective current | 20KA | 20KA | 20KA |
| The power supply delivery efficiency | 40% | 65% | 85% |
| Power supply input power (specified) | 150KW | 92KW | 70KW |
| Electric power outputting current is controlled | Nothing | Nothing | Constant current |
| Electric power outputting current is measured | Nothing | Nothing | Luo-coil |
| The power supply output waveform is controlled and is arranged | Cycle control arranges | Random waveform is controlled and is arranged | Random waveform is controlled and is arranged |
| Power supply output waveform controller | Separate | Integrated | Integrated |
| The weld pulse electric current arranges | Nothing | Nothing | Any current value setting of multistage |
| Electric power output voltage is measured | Nothing | Nothing | The feedback isolation proportion measurement |
| Source of welding current set-up mode | Button | Touch-screen | Touch-screen |
| Source of welding current control mode | Experience | Experience | Closed loop feedback is controlled |
| The source of welding current is controlled parameter | The cycle time | The cycle time | Electric current, power |
| Fuse | 1*450A melts at a |
3*180A melts at a |
3*125A melts at a slow speed |
| Transformer | Independent | Inner 92KW | Inner 70KW |
| Degree of protection | IP30 | IP30 | IP30 |
| Source of welding current switching frequency | 50HZ | 1.5KHZ | 15KHZ |
| Source of welding current output frequency | 50HZ | 1.5KHZ | 15KHZ |
As can be seen from Table 1, technical scheme provided by the present invention, adopted the three-phase electricity in the three phase mains, use at high-frequency welder and be, power supply output frequency and welding output frequency reach 15KHZ, when power supply output effective current is similarly 20KA, the power supply delivery efficiency reaches 85%, and electric power outputting current is constant current.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by the described protection range with claim.
Claims (2)
1. a high power adjustable source, it is characterized in that: by Switching Power Supply, three-phase bridge rectifier, capacitive filter, IGBT module, high frequency transformer, formed, Switching Power Supply and three-phase bridge rectifier, capacitive filter, IGBT module, high frequency transformer are linked in sequence, wherein IGBT module, high frequency transformer all connect heat-sink unit, and three-phase bridge rectifier connects the air intake fan and goes out fan.
2. a kind of high power adjustable according to claim 1 source is characterized in that: described heat-sink unit is that water cooling tube forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480830.4A CN103490637A (en) | 2013-10-15 | 2013-10-15 | High-power adjustable power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480830.4A CN103490637A (en) | 2013-10-15 | 2013-10-15 | High-power adjustable power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103490637A true CN103490637A (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310480830.4A Pending CN103490637A (en) | 2013-10-15 | 2013-10-15 | High-power adjustable power supply |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4410403C2 (en) * | 1994-03-27 | 1996-02-01 | Oxytechnik Ges Systemtech | Shared storm source |
| CN101462197A (en) * | 2008-10-22 | 2009-06-24 | 深圳市鸿栢科技实业有限公司 | High-frequency inversion stud welding equipment and controlling means thereof |
| CN101795055A (en) * | 2010-04-08 | 2010-08-04 | 三一电气有限责任公司 | Cooling device and cooling method for convertor and convertor |
| CN101800123A (en) * | 2010-03-23 | 2010-08-11 | 深圳市鸿栢科技实业有限公司 | High-frequency transformer of resistance welding machine |
| CN101856769A (en) * | 2009-04-09 | 2010-10-13 | 上海波宝仟赫科技有限公司 | Plasma arc cutting and welding power supply |
| CN102773599A (en) * | 2012-08-09 | 2012-11-14 | 深圳市鸿栢科技实业有限公司 | Table type miniature spot welder using digital signal processor (DSP) high frequency inverter technology |
-
2013
- 2013-10-15 CN CN201310480830.4A patent/CN103490637A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4410403C2 (en) * | 1994-03-27 | 1996-02-01 | Oxytechnik Ges Systemtech | Shared storm source |
| CN101462197A (en) * | 2008-10-22 | 2009-06-24 | 深圳市鸿栢科技实业有限公司 | High-frequency inversion stud welding equipment and controlling means thereof |
| CN101856769A (en) * | 2009-04-09 | 2010-10-13 | 上海波宝仟赫科技有限公司 | Plasma arc cutting and welding power supply |
| CN101800123A (en) * | 2010-03-23 | 2010-08-11 | 深圳市鸿栢科技实业有限公司 | High-frequency transformer of resistance welding machine |
| CN101795055A (en) * | 2010-04-08 | 2010-08-04 | 三一电气有限责任公司 | Cooling device and cooling method for convertor and convertor |
| CN102773599A (en) * | 2012-08-09 | 2012-11-14 | 深圳市鸿栢科技实业有限公司 | Table type miniature spot welder using digital signal processor (DSP) high frequency inverter technology |
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Application publication date: 20140101 |
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