CN104602376A - High-power induction heating parallel power supply apparatus - Google Patents
High-power induction heating parallel power supply apparatus Download PDFInfo
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- CN104602376A CN104602376A CN201410847572.3A CN201410847572A CN104602376A CN 104602376 A CN104602376 A CN 104602376A CN 201410847572 A CN201410847572 A CN 201410847572A CN 104602376 A CN104602376 A CN 104602376A
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- electronic protector
- bridge
- induction heating
- rectification adjuster
- rectifier bridge
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 230000006698 induction Effects 0.000 title claims abstract description 23
- 230000001012 protector Effects 0.000 claims abstract description 38
- 230000010363 phase shift Effects 0.000 claims description 21
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- General Induction Heating (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a high-power induction heating parallel power supply apparatus and relates to the technical field of induction heating equipment. The high-power induction heating parallel power supply apparatus comprises a control system, a rectifier bridge A, a rectifier bridge B, an inverter bridge A and an inverter bridge B; the control system is connected with the rectifier bridge A, the rectifier bridge B, the inverter bridge A and the inverter bridge B; the control system comprises a rectifier governor A, a rectifier governor B, a phase shifting power amplifier A, a phase shifting power amplifier B, an electronic protector A, an electronic protector B and an inversion control unit; the rectifier governor A is connected with the phase shifting power amplifier A; the phase shifting power amplifier A is connected with the rectifier bridge A; the rectifier governor B is connected with the phase shifting power amplifier B; the phase shifting power amplifier B is connected with the rectifier bridge B; the electronic protector A and the electronic protector B both are connected with the phase shifting power amplifier A; the electronic protector A and the electronic protector B both are controlled by use of a PLC. The high-power induction heating parallel power supply apparatus is capable of saving the investment and the floor area, reducing the harmonic of the power grid and the pollution on the power grid, realizing the full-automatic working mode and reducing the labor intensity.
Description
Technical field
What the present invention relates to is induction heating equipment technical field, is specifically related to high-power induction heating parallel operation power-supply device.
Background technology
The existing domestic weight to forging is more and more heavier, productive temp is also more and more faster, induction heating equipment needs higher power to meet heating requirements, but the power of domestic existing induction heating equipment unit only can the highest 750KW that accomplishes when primary voltage 380V, if when need accomplish more than 1000KW, due to the impact by device, the grade only by improving primary voltage just can reach, but single-machine capacity at most also can only reach 1250KW; If when need meet more than 2500KW power to heat, only have and adopt dually arrayed mode, two cover units are adopted to control different loads respectively, and form the unstable discharge method of alternately discharging, but cannot meet the single-row arrangement of production requirement of user, not only increase the labour intensity of workman, increase investment, also increase the harmonic wave of electrical network and the pollution to electrical network, based on this, design a kind of high-power induction heating parallel operation power-supply device or necessary.
Summary of the invention
For the deficiency that prior art exists, the present invention seeks to be to provide a kind of high-power induction heating parallel operation power-supply device, reasonable in design, reduce investment outlay, save occupied ground, reduce the harmonic wave of electrical network and the pollution to electrical network, fully automatic working mode can be realized, reduce labor intensity.
To achieve these goals, the present invention realizes by the following technical solutions: high-power induction heating parallel operation power-supply device, comprise control system, A rectifier bridge, B rectifier bridge, A inverter bridge and B inverter bridge, control system and A rectifier bridge, B rectifier bridge, A inverter bridge, B inverter bridge connects, control system comprises A rectification adjuster, B rectification adjuster, A phase shift amplifirer, B phase shift amplifirer, A electronic protector, B electronic protector and inversion control unit, A rectification adjuster connects A phase shift amplifirer, A phase shift amplifirer connects A rectifier bridge, B rectification adjuster connects B phase shift amplifirer, B phase shift amplifirer connects B rectifier bridge, A electronic protector, B electronic protector all connects A phase shift amplifirer, A electronic protector, B electronic protector is all controlled by PLC.
As preferably, described inversion control unit comprises inverter signal device, the first inversion tracker and the second inversion tracker, and signal access inverter signal device, inverter signal device connects the first inversion tracker, the second inversion tracker successively to A inverter bridge and B inverter bridge.
As preferably; described A rectification adjuster, B rectification adjuster, A electronic protector, B electronic protector all access identical voltage; A rectification adjuster, A electronic protector all connect as A electric current; B rectification adjuster, B electronic protector all access B electric current; A rectification adjuster, B rectification adjuster access given voltage by a single-pole double-throw switch (SPDT), keep current balance type between A rectification adjuster, B rectification adjuster.
Beneficial effect of the present invention: 1, adopt also machine technology, is originally will may be integrated into a set of single-row induction heating complete set of equipments by the two induction heating complete set of equipments overlapping units, reduces investment outlay and save occupied ground;
2, adopt also machine technology, can become a set of separated transformer power originally needing two cover separated transformers to power, supply transformer adopts Y/Y-△. reduce the harmonic wave of electrical network and the pollution to electrical network;
3, adopt also machine technology, high-power induction heating equipment can meet the combining form of single-row layout and various firing equipment, can realize fully automatic working mode, reduce labor intensity.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the layout of equipment of the present invention;
Fig. 2 is functional schematic of the present invention.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
With reference to Fig. 1-2, this embodiment is by the following technical solutions: high-power induction heating parallel operation power-supply device, comprise control system 1, A rectifier bridge 2, B rectifier bridge 3, A inverter bridge 4 and B inverter bridge 5, control system 1 and A rectifier bridge 2, B rectifier bridge 3, A inverter bridge 4, B inverter bridge 5 connects, control system 1 comprises A rectification adjuster 6, B rectification adjuster 7, A phase shift amplifirer 8, B phase shift amplifirer 9, A electronic protector 10, B electronic protector 11 and inversion control unit, A rectification adjuster 6 connects A phase shift amplifirer 8, A phase shift amplifirer 8 connects A rectifier bridge 2, B rectification adjuster 7 connects B phase shift amplifirer 9, B phase shift amplifirer 9 connects B rectifier bridge 3, A electronic protector 10, B electronic protector 11 all connects A phase shift amplifirer 8, A electronic protector 10, B electronic protector 11 is all controlled by PLC.
It should be noted that, described inversion control unit comprises inverter signal device 12, first inversion tracker 13 and the second inversion tracker 14, signal access inverter signal device 12, inverter signal device 12 connects the first inversion tracker 13 successively, second inversion tracker 14 to A inverter bridge 4 and B inverter bridge 5, A rectification adjuster 6, B rectification adjuster 7, A electronic protector 10, B electronic protector 11 all accesses identical voltage, A rectification adjuster 6, A electronic protector 10 all connects as A electric current, B rectification adjuster 7, B electronic protector 11 all accesses B electric current, A rectification adjuster 6, B rectification adjuster 7 accesses given voltage by a single-pole double-throw switch (SPDT).
In addition, current balance type is kept between described A rectification adjuster 6, B rectification adjuster 7.
This embodiment adopts a set of precharge enable loop and the two pre-electromagnet actuation loops of cover, the two pre-electromagnet actuation loops of cover control respectively, start and select unit, parallel operation working method, main frame and slave working method need be selected in parallel operation work, and controlled by PLC machine, A rectification adjuster 6, A electronic protector 10 all connects as A electric current, B rectification adjuster 7, B electronic protector 11 all accesses B electric current, each machine is sensed current signal respectively, voltage signal is then unified to be detected, the fault of each machine controls respectively, when parallel operation operating state, as long as arbitrary fault all needs a complete set of stoppage protection.
This embodiment A rectifier bridge 2, B rectifier bridge 3 control respectively, but the balance of each electric current need be ensured, process is regulated by rectification, the rectification of hosted regulates and entirely participates in controlling, the rectification making slave regulates only has electric current to participate in regulating, voltage does not participate in regulating, and this embodiment also adopts a set of inversion control, the unified inverter bridge work controlling two-shipper.
This embodiment adopts and machine technology, the induction heating complete set of equipments of original two cover units is integrated into a set of single-row induction heating complete set of equipments, the combining form of single-row layout and various firing equipment can be met, realize fully automatic working mode, reduce labor intensity, reduce investment outlay, there is market application foreground widely.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof
.
Claims (4)
1. high-power induction heating parallel operation power-supply device, is characterized in that, comprises control system (1), A rectifier bridge (2), B rectifier bridge (3), A inverter bridge (4) and B inverter bridge (5), control system (1) and A rectifier bridge (2), B rectifier bridge (3), A inverter bridge (4), B inverter bridge (5) connects, and control system (1) comprises A rectification adjuster (6), B rectification adjuster (7), A phase shift amplifirer (8), B phase shift amplifirer (9), A electronic protector (10), B electronic protector (11) and inversion control unit, A rectification adjuster (6) connects A phase shift amplifirer (8), A phase shift amplifirer (8) connects A rectifier bridge (2), B rectification adjuster (7) connects B phase shift amplifirer (9), B phase shift amplifirer (9) connects B rectifier bridge (3), A electronic protector (10), B electronic protector (11) all connects A phase shift amplifirer (8), A electronic protector (10), B electronic protector (11) is all controlled by PLC.
2. high-power induction heating parallel operation power-supply device according to claim 1, it is characterized in that, described inversion control unit comprises inverter signal device (12), the first inversion tracker (13) and the second inversion tracker (14), signal access inverter signal device (12), inverter signal device (12) connects the first inversion tracker (13), the second inversion tracker (14) successively to A inverter bridge (4) and B inverter bridge (5).
3. high-power induction heating parallel operation power-supply device according to claim 1; it is characterized in that; described A rectification adjuster (6), B rectification adjuster (7), A electronic protector (10), B electronic protector (11) all access identical voltage; A rectification adjuster (6), A electronic protector (10) all connect as A electric current; B rectification adjuster (7), B electronic protector (11) all access B electric current, and A rectification adjuster (6), B rectification adjuster (7) access given voltage by a single-pole double-throw switch (SPDT).
4. high-power induction heating parallel operation power-supply device according to claim 1, is characterized in that, described A rectification adjuster (6), B rectification adjuster keep current balance type between (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847572.3A CN104602376B (en) | 2014-12-29 | 2014-12-29 | High-power eddy-current heating parallel operation power-supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847572.3A CN104602376B (en) | 2014-12-29 | 2014-12-29 | High-power eddy-current heating parallel operation power-supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104602376A true CN104602376A (en) | 2015-05-06 |
| CN104602376B CN104602376B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410847572.3A Active CN104602376B (en) | 2014-12-29 | 2014-12-29 | High-power eddy-current heating parallel operation power-supply device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300176A (en) * | 1999-12-14 | 2001-06-20 | 中国科学院金属研究所 | Variable frequency induction heater |
| CN1507143A (en) * | 2002-12-06 | 2004-06-23 | 南开大学 | Great power IF power source with double parallel resonant inversion circuit |
| WO2011087106A1 (en) * | 2010-01-15 | 2011-07-21 | 株式会社MERSTech | Power inverter, induction heater, motor control device, and power inverting method |
| CN102573157A (en) * | 2012-01-18 | 2012-07-11 | 洛阳升华感应加热有限公司 | Frequency self-adaptive circuit of parallel resonant induction heating power supply |
-
2014
- 2014-12-29 CN CN201410847572.3A patent/CN104602376B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300176A (en) * | 1999-12-14 | 2001-06-20 | 中国科学院金属研究所 | Variable frequency induction heater |
| CN1507143A (en) * | 2002-12-06 | 2004-06-23 | 南开大学 | Great power IF power source with double parallel resonant inversion circuit |
| WO2011087106A1 (en) * | 2010-01-15 | 2011-07-21 | 株式会社MERSTech | Power inverter, induction heater, motor control device, and power inverting method |
| CN102573157A (en) * | 2012-01-18 | 2012-07-11 | 洛阳升华感应加热有限公司 | Frequency self-adaptive circuit of parallel resonant induction heating power supply |
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| Publication number | Publication date |
|---|---|
| CN104602376B (en) | 2016-05-11 |
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Effective date of registration: 20221103 Address after: 402160 Building 1, No.999 Xingguang Avenue, Yongchuan District, Chongqing (in Fenghuang Lake Industrial Park, Yongchuan Industrial Park, Chongqing) Patentee after: Chongqing Hengrui Jinding Induction Technology Co.,Ltd. Address before: No. 19, Building 16, No. 88 Cuibai Road, Chunhui Road Street, Dadukou District, Chongqing 400,084 Patentee before: CHONGQING HENGRUI MECHANICAL & ELECTRONIC CO.,LTD. |
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Denomination of invention: High power induction heating parallel power supply equipment Granted publication date: 20160511 Pledgee: Yongchuan sub branch of Bank of Chongqing Co.,Ltd. Pledgor: Chongqing Hengrui Jinding Induction Technology Co.,Ltd. Registration number: Y2024980008489 |