CN108231347B - Integral structure of transformer and resonant capacitor of fast smelting furnace induction power supply - Google Patents
Integral structure of transformer and resonant capacitor of fast smelting furnace induction power supply Download PDFInfo
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- CN108231347B CN108231347B CN201810249997.2A CN201810249997A CN108231347B CN 108231347 B CN108231347 B CN 108231347B CN 201810249997 A CN201810249997 A CN 201810249997A CN 108231347 B CN108231347 B CN 108231347B
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- transformer
- copper bar
- output copper
- power supply
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
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Abstract
The invention relates to the field of induction power supplies, in particular to an integral structure of a transformer and a resonant capacitor of a fast melting furnace induction power supply, which mainly solves the technical problems that the induction power supply in the prior art is large in size, complex and compact in connection structure of the transformer and the resonant capacitor, large in occupied space, large in power loss and low in annealing efficiency; in order to solve the technical problems, the invention discloses an integral structure of a transformer and a resonant capacitor of a fast melting furnace induction power supply, which comprises the following components: the transformer, the inside copper bar, water-cooling electrothermal capacitor, transformer second grade output copper bar, the outer copper bar of establishing ties of transformer, the transformer is through transformer second grade output copper bar with water-cooling electrothermal capacitor connects, and by the outer copper bar of outputting.
Description
Technical Field
The invention relates to the field of induction power supplies, in particular to an integral structure of a transformer and a resonant capacitor of a fast melting furnace induction power supply.
Background
The induction heating equipment is also called an industrial electric furnace of heat treatment equipment, and the induction power supply and the induction heating technology are the technologies of highest efficiency, fastest speed, low consumption and environmental protection in the current metal material heating field; the method is widely applied to the processes of heat processing, heat treatment, heat assembly, welding, smelting and the like of various industries on metal materials; the device can not only heat the whole workpiece, but also heat the part of the workpiece in a targeted manner, can realize deep diathermy of the workpiece, and can also heat the surface and the surface layer of the workpiece in a concentrated manner; it can heat not only metallic material directly, but also non-metallic material indirectly. When the induction power supply is applied to the annealing process of the metal material, the metal material is heated to a proper temperature through the induction furnace, different heat preservation time is adopted according to different sizes of the material and the workpiece, and then the metal material is slowly cooled, so that the internal structure of the metal reaches or approaches to an equilibrium state, and good process performance and practicality are obtained.
The induction power supply is characterized in that three-phase power frequency alternating current is changed into direct current through a rectifying circuit, then the direct current is output into single-phase alternating current through an inverter circuit and is supplied to a coreless induction furnace, and then a workpiece is placed in an alternating magnetic field to generate eddy current by utilizing an electromagnetic induction principle so as to generate heat, so that heating requirements of smelting, quenching, diathermy and the like are met; the transformer and the resonant capacitor are used as important components of the induction power supply, and the overall structural performance of the induction power supply is directly affected by the quality of the overall structural performance of the induction power supply. The transformer commonly adopted in the prior art is a quenching transformer, the resonant capacitor adopts a common metallized film capacitor, the output copper bar is arranged on the side surface of the cabinet body, the volume of the middle connecting copper bar is large, the connecting structure of the transformer and the resonant capacitor is complex and compact, the occupied space is large, the power loss is large, and the annealing efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problems of large volume of an induction power supply, complex and compact connecting structure of a transformer and a resonant capacitor, large occupied space, large power loss and low annealing efficiency in the prior art.
In order to solve the above technical problems, the present invention provides an integral structure of a transformer and a resonant capacitor of a fast melting furnace induction power supply, which includes: the transformer is connected with the water-cooling electrothermal capacitor through the secondary output copper bar of the transformer and is externally output by the external output copper bar;
the transformer comprises a transformer shell, the transformer shell comprises a transformer shell primary and a transformer shell secondary, the transformer shell primary comprises a transformer shell primary input end, a transformer shell primary output end and a transformer shell primary series end, and the transformer shell secondary comprises a transformer shell secondary input end, a transformer shell secondary output end and a transformer shell secondary series end;
the secondary output end of the transformer shell is connected with the water-cooling electrothermal capacitor through the secondary output copper bar of the transformer;
the external output copper bar comprises an external output copper bar I and an external output copper bar II, wherein the external output copper bar I is connected to the water-cooling electric heating capacitor, and the external output copper bar II is connected to the primary output end of the transformer shell;
the water-cooling electric heating capacitor comprises a first fixed pin, a second fixed pin, an internal oil cooling pipeline and an external water cooling pipeline, a sealing ring is added on an oil seal, the first fixed pin is connected with the second output copper bar of the transformer, and the second fixed pin is connected with the external output copper bar;
the second-stage output copper bar of the transformer is planar, the first outer output copper bar is planar, and the second outer output copper bar is Z-shaped.
In the above technical solution, preferably, the primary transformer housing is serially connected with the secondary transformer housing through the copper bars in the transformer, the copper bars in the transformer include a first copper bar and a second copper bar, the first copper bar is serially connected with the primary input end of the transformer housing and the secondary input end of the transformer housing, and the second copper bar is serially connected with the primary transformer housing and the secondary transformer housing.
More preferably, the primary input end of the transformer housing comprises a primary oil cooling pipeline in a U shape; the secondary input end of the transformer shell comprises a U-shaped secondary oil cooling pipeline.
More preferably, the second-stage output copper bar of the transformer and the first-stage output copper bar of the external output copper bar are respectively provided with a first mounting hole and a second mounting hole corresponding to the first fixing pin and the second fixing pin of the water-cooling electrothermal capacitor.
More preferably, the second-stage output copper bar, the first outer output copper bar and the second outer output copper bar of the transformer are respectively provided with a U-shaped oil cooling pipeline I, a U-shaped oil cooling pipeline II and a U-shaped oil cooling pipeline III.
More preferably, the first outer output copper bar and the second outer output copper bar are in a convergent shape, and are respectively provided with a first connecting hole and a second connecting hole which are arranged in a triangle shape.
The invention has the technical effects that: the structure is compact, and the power supply is small; the heat dissipation effect is good, and the heat dissipation efficiency is high; the power loss is low, and the annealing efficiency is high; the closed loop structure magnetic circuit has small external interference and good electromagnetic compatibility;
first, the invention makes the structure more compact, the space utilization higher, the volume smaller and the volume of the power supply of the invention further effectively reduced by innovating the structure and the connection relation of the high end of the transformer shell, the bottom end of the transformer shell, the internal serial copper bar of the transformer, the low end output copper bar of the transformer, the external output copper bar and the like.
Secondly, the high-heat-dissipation and high-efficiency oil cooling pipelines are arranged on the high-end of the transformer shell, the low-end of the transformer shell, the output copper bar of the low-end of the transformer and the output copper bar of the outer output copper bar, so that the heat dissipation effect of the transformer is effectively improved, and the heat dissipation efficiency of the transformer is remarkably improved compared with the prior art.
Thirdly, by reducing the middle copper bar, shortening the distance between the end A of the output copper bar and the end B of the output copper bar and adopting the ultracrystalline iron core and the high-frequency resonance capacitor, compared with the prior art, the induction power source annealing efficiency is lower, the power efficiency is higher, and the induction power source annealing efficiency is further remarkably improved.
Fourth, the invention makes the invention integrally form a closed loop structure magnetic circuit through innovation of structure and connection relation, has little external magnetic interference, and has obviously improved electromagnetic compatibility with other devices compared with the prior art.
Drawings
Fig. 1 is a diagram showing a construction of a transformer housing of an overall structure of a transformer and a resonance capacitor of a fast furnace induction power supply according to the present invention.
Fig. 2 is a diagram showing the structure of a high-frequency resonance capacitor of the overall structure of a transformer and a resonance capacitor of a fast furnace induction power supply according to the present invention.
Fig. 3 is a block diagram showing the overall connection of the transformer and resonant capacitor of the induction power supply for a fast melting furnace according to the present invention.
In the accompanying drawings:
1. transformer 12, transformer housing 121, transformer housing primary
1211. First-stage input 1212, first-stage output 1213, and first-stage serial-in end-to-end connection end of transformer housing
12111. Primary oil cooling line 122, transformer housing secondary 1221, transformer housing secondary input
1222. Transformer housing secondary input 1223, transformer housing secondary series 12211, secondary oil cooling pipeline outlet end
2. The inside of the transformer is connected with a copper bar 21, a first copper bar 22 and a second copper bar in series
3. Water-cooled electrothermal capacitor 31, fixing foot one 32 and fixing foot two
4. Second-stage output copper bar 41, first mounting hole 42 and first U-shaped water-cooling pipeline of transformer
5. Outer output copper bar 51, outer output copper bar one 52, and outer output copper bar two
511. Mounting hole two 512, U-shaped water-cooling pipeline two 513 and connecting hole one
521. U-shaped water-cooling pipeline III 522 and connecting hole II
Detailed Description
In order to make the technical problems, technical schemes and technical effects solved by the present invention more apparent, the present invention will be described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
[ example 1 ]
Referring to the attached drawings in the specification, the structure and the working principle of the integral structure of the transformer and the resonant capacitor of the induction power supply of the fast smelting furnace can be completely and clearly described;
wherein, in fig. 1:
the invention comprises a transformer 1, wherein the transformer 1 comprises a transformer shell 12, the transformer shell 12 comprises a transformer shell primary 121 and a transformer shell secondary 122, and the transformer primary 121 is connected with the transformer shell secondary 122 in series through a copper bar 2 connected in series inside the transformer.
Further, the transformer housing primary 121 includes a transformer housing primary input 1211, a transformer housing primary output 1212, and a transformer housing primary series 1213, the transformer housing primary input 1211 including a primary oil-cooled tube 12111 having a U-shape; the transformer housing secondary 122 includes a transformer housing secondary input 1221, a transformer housing secondary output 1222, and a transformer housing secondary series 1223, the transformer housing secondary input 1221 including a secondary oil-cooled tube 12211 having a U-shape.
Further, the transformer internal series copper bar 2 includes a series copper bar one 21 and a series copper bar two 22, and the series copper bar one 21 connects the transformer housing primary input end 1211 and the transformer housing secondary input end 1221 in series, and the series copper bar two 22 connects the transformer housing primary series end 1213 and the transformer housing secondary series end 1223 in series.
In operation, ac is connected to the transformer 1 through the primary input 1211 and the secondary input 1221 of the transformer housing, and the primary oil cooling pipe 12111 and the secondary oil cooling pipe 12211 are connected to cooling oil.
Wherein, in fig. 2:
the water-cooling electrothermal capacitor 3 comprises a first fixing foot 31, a second fixing foot 32, an internal oil cooling pipeline and an external water cooling pipeline, and a sealing ring is added on an oil seal.
Wherein, in fig. 3:
the invention further comprises a water-cooling electrothermal capacitor 3, a transformer secondary output copper bar 4 and an outer output copper bar 5, wherein the transformer 1 is connected with the water-cooling electrothermal capacitor 3 through the transformer secondary output copper bar 4, and is externally output by the outer output copper bar 5.
Further, the secondary output end 1222 of the transformer housing is connected with the water-cooling electrothermal capacitor 3 through the secondary output copper bar 4 of the transformer.
Further, the external output copper bar 5 includes an external output copper bar one 51 and an external output copper bar two 52, the external output copper bar one 51 is connected to the water-cooled electrothermal capacitor 3, and the external output copper bar two 52 is connected to the primary output end 1212 of the transformer housing.
Further, the first fixing leg 31 is connected to the second output copper bar 4 of the transformer, and the second fixing leg 32 is connected to the first external output copper bar 51.
Further, the second-stage output copper bar 4 of the transformer is planar, the first outer output copper bar 51 is planar, and the second outer output copper bar 52 is Z-shaped.
Further, the second output copper bar 4 and the first output copper bar 51 of the transformer are respectively provided with a first mounting hole 41 and a second mounting hole 511 corresponding to the first fixing leg 31 and the second fixing leg 32 of the water-cooling electrothermal capacitor 3.
Further, the second output copper bar 4, the first outer output copper bar 51 and the second outer output copper bar 52 of the transformer are respectively provided with a first U-shaped oil cooling pipeline 41, a second U-shaped oil cooling pipeline 512 and a third U-shaped oil cooling pipeline 521.
Further, the first outer output copper bar and the second outer output copper bar are in a convergent shape at the upper ends, and are respectively provided with a first connecting hole and a second connecting hole which are arranged in a triangular mode.
When the transformer is in operation, alternating current is transformed by the transformer 1, one end of the alternating current is directly output to the outside of the cabinet body through the outer output copper bar II 52 by the primary output end 1212 of the transformer shell, the other end of the alternating current is output to the outside of the cabinet body through the transformer secondary output copper bar 4, the water-cooling electrothermal capacitor 3 and the outer output copper bar I51 by the secondary output end 1222 of the transformer shell, and the two ends form the alternating current output end of the transformer 1 together and provide the reduced alternating current for downstream equipment.
The high-frequency induction power supply adopting the integral structure of the transformer and the resonant capacitor of the rapid melting furnace induction power supply has smaller volume, more compact structure and more reasonable space configuration compared with the induction power supply in the prior art of the same type.
Compared with the induction power supply in the prior art of the same type, the high-frequency induction power supply adopting the structure of the transformer and the resonant capacitor of the induction power supply for the fast melting furnace has better heat dissipation effect and improves heat dissipation efficiency by eighteen percent through experimental verification.
Compared with the induction power supply in the prior art of the same type, the high-frequency induction power supply with the integral structure of the transformer and the resonant capacitor of the induction power supply for the fast melting furnace has the advantage that the power loss of the power supply is reduced by six percent under the same condition through experimental verification.
Compared with the induction power supply in the prior art of the same type, the high-frequency induction power supply with the integral structure of the transformer and the resonant capacitor of the induction power supply for the fast smelting furnace reduces the electromagnetic interference degree of the power supply to peripheral equipment by ten percent under the same condition.
While the foregoing is illustrative of the embodiments of the present invention so that those skilled in the art can appreciate the present invention, the present invention is not limited to the specific embodiments, and various modifications are possible within the spirit and scope of the present invention defined and defined by the appended claims, all of which are within the scope of the invention using the inventive concept.
Claims (5)
1. The utility model provides a fast smelting furnace induction power's transformer and resonant capacitor's overall structure which characterized in that: the integral structure of the transformer and the resonant capacitor of the fast melting furnace induction power supply comprises: the transformer (1) is connected with the water-cooling electrothermal capacitor (3) through the transformer secondary output copper bar (4), and is externally output by the outer output copper bar (5);
the transformer (1) comprises a transformer shell (12), the transformer shell (12) comprises a transformer shell primary (121) and a transformer shell secondary (122), the transformer shell primary (121) comprises a transformer shell primary input end (1211), a transformer shell primary output end (1212) and a transformer shell primary series end (1213), and the transformer shell secondary (122) comprises a transformer shell secondary input end (1221), a transformer shell secondary output end (1222) and a transformer shell secondary series end (1223);
the secondary output end (1222) of the transformer shell is connected with the water-cooling electrothermal capacitor (3) through the secondary output copper bar (4) of the transformer;
the external output copper bar (5) comprises an external output copper bar I (51) and an external output copper bar II (52), the external output copper bar I (51) is connected to the water-cooling electrothermal capacitor (3), and the external output copper bar II (52) is connected to the primary output end (1212) of the transformer shell;
the water-cooling electric heating capacitor (3) comprises a first fixed pin (31), a second fixed pin (32), an internal oil cooling pipeline and an external water cooling pipeline, a sealing ring is added on an oil seal, the first fixed pin (31) is connected with the second output copper bar (4) of the transformer, and the second fixed pin (32) is connected with the first external output copper bar (51);
the second-stage output copper bar (4) of the transformer is planar, the first outer output copper bar (51) is planar, and the second outer output copper bar (52) is Z-shaped;
the first transformer shell (121) is connected with the second transformer shell (122) in series through the first series copper bar (2) in the transformer, the first series copper bar (21) is connected with the first transformer shell input end (1211) and the second transformer shell input end (1221) in series, and the second series copper bar (22) is connected with the first transformer shell series end (1213) and the second transformer shell series end (1223) in series;
the transformer adopts an ultracrystalline iron core, and the resonant capacitor is a high-frequency resonant capacitor.
2. The integrated structure of a transformer and resonant capacitor of a fast furnace induction power supply of claim 1, wherein: the primary input end (1211) of the transformer housing comprises a primary oil-cooled tube (12111) in the shape of a U; the transformer housing secondary input (1221) includes a U-shaped secondary oil cooled conduit (12211).
3. The integrated structure of a transformer and resonant capacitor of a fast furnace induction power supply of claim 2, wherein: the transformer secondary output copper bar (4) and the external output copper bar (51) are respectively provided with a first mounting hole (41) and a second mounting hole (511) which correspond to the first fixing pin (31) and the second fixing pin (32) of the water-cooling electric heating capacitor (3).
4. A transformer and resonant capacitor integrated structure for a fast furnace induction power supply according to claim 3, wherein: the transformer second-stage output copper bar (4), the outer output copper bar I (51) and the outer output copper bar II (52) are respectively provided with a U-shaped oil cooling pipeline I (42), a U-shaped oil cooling pipeline II (512) and a U-shaped oil cooling pipeline III (521).
5. The integrated structure of a transformer and resonant capacitor of a fast furnace induction power supply of claim 4, wherein: the upper ends of the first outer output copper bar (51) and the second outer output copper bar (52) are in a beam-converging shape, and are respectively provided with a first connecting hole (513) and a second connecting hole (522) which are arranged in a triangle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810249997.2A CN108231347B (en) | 2018-03-26 | 2018-03-26 | Integral structure of transformer and resonant capacitor of fast smelting furnace induction power supply |
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| CN201810249997.2A CN108231347B (en) | 2018-03-26 | 2018-03-26 | Integral structure of transformer and resonant capacitor of fast smelting furnace induction power supply |
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| CN108231347A CN108231347A (en) | 2018-06-29 |
| CN108231347B true CN108231347B (en) | 2023-06-02 |
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| JP2001237130A (en) * | 2000-02-24 | 2001-08-31 | Soshin Electric Co Ltd | Thin line filter |
| JP2001319766A (en) * | 2000-05-11 | 2001-11-16 | Sharp Corp | High-frequency heating device |
| CN202291816U (en) * | 2011-09-29 | 2012-07-04 | 昆山荣仕杰自动焊接设备有限公司 | Transformer structure of capacitive energy storage welder |
| CN204068653U (en) * | 2014-07-28 | 2014-12-31 | 九江历源整流设备有限公司 | A kind of high frequency switch power of compact water-cooling |
| CN205141972U (en) * | 2015-10-29 | 2016-04-06 | 浙江正泰电器股份有限公司 | Direct current reactor of converter |
| CN106480259A (en) * | 2015-08-24 | 2017-03-08 | 十堰恒进科技有限公司 | A kind of double frequency induction load device |
| WO2017045284A1 (en) * | 2015-09-17 | 2017-03-23 | 中车大连机车研究所有限公司 | Charging cabinet for locomotives, and locomotive |
| CN107017785A (en) * | 2016-01-28 | 2017-08-04 | 特变电工新疆新能源股份有限公司 | A kind of solid-state transformer |
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2018
- 2018-03-26 CN CN201810249997.2A patent/CN108231347B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB273867A (en) * | 1926-05-27 | 1927-07-14 | Ormsby And Company Ltd | Improvements in or connected with tuning apparatus for use in wireless receiving instruments |
| JP2001237130A (en) * | 2000-02-24 | 2001-08-31 | Soshin Electric Co Ltd | Thin line filter |
| JP2001319766A (en) * | 2000-05-11 | 2001-11-16 | Sharp Corp | High-frequency heating device |
| CN202291816U (en) * | 2011-09-29 | 2012-07-04 | 昆山荣仕杰自动焊接设备有限公司 | Transformer structure of capacitive energy storage welder |
| CN204068653U (en) * | 2014-07-28 | 2014-12-31 | 九江历源整流设备有限公司 | A kind of high frequency switch power of compact water-cooling |
| CN106480259A (en) * | 2015-08-24 | 2017-03-08 | 十堰恒进科技有限公司 | A kind of double frequency induction load device |
| WO2017045284A1 (en) * | 2015-09-17 | 2017-03-23 | 中车大连机车研究所有限公司 | Charging cabinet for locomotives, and locomotive |
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| CN107017785A (en) * | 2016-01-28 | 2017-08-04 | 特变电工新疆新能源股份有限公司 | A kind of solid-state transformer |
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