CN203999735U - The sheet metal strip induction heating device that a kind of temperature is controlled - Google Patents
The sheet metal strip induction heating device that a kind of temperature is controlled Download PDFInfo
- Publication number
- CN203999735U CN203999735U CN201420424530.4U CN201420424530U CN203999735U CN 203999735 U CN203999735 U CN 203999735U CN 201420424530 U CN201420424530 U CN 201420424530U CN 203999735 U CN203999735 U CN 203999735U
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- CN
- China
- Prior art keywords
- sheet metal
- metal strip
- induction heating
- coil
- heating device
- 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.)
- Expired - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 101
- 239000002184 metal Substances 0.000 title claims abstract description 101
- 238000010438 heat treatment Methods 0.000 title claims abstract description 50
- 230000006698 induction Effects 0.000 title claims abstract description 34
- 238000007669 thermal treatment Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- General Induction Heating (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The sheet metal strip induction heating device that a kind of temperature is controlled, comprise that symmetry is located at sheet metal strip both sides and is connected with many groups coil of phase alternating electric current, the setting party of each coil is to all consistent with the direction of motion of sheet metal strip, and the alternating magnetic field intensity that each coil produces is identical, and the inside of described coil is provided with the pole core being stacked into by siliconized plate; This induction heating device also comprises the metal baffle that can move along the edge of sheet metal strip width, and metal baffle is for coordinating pole core to adjust the magnitude of field intensity at sheet metal strip edge.The utility model, by moving metal baffle plate, can coordinate pole core to adjust the fringe magnetic field intensity of sheet metal strip, has solved the problem of temperature homogeneity in sheet metal strip induction heating, makes induction installation adapt to better the thermal treatment process of sheet metal strip.
Description
Technical field
The utility model relates to induction heating technique field, specifically the controlled sheet metal strip induction heating device of a kind of temperature.
Background technology
In industrial production, the demand of copper, aluminium and alloy cold rolled sheet or band is growing, and wherein, tank material, foil, automobile and sheet material for building occupy very large proportion, therefore, select a kind of reasonably strip production line equipment for Heating Processing of crucial importance to metal processing.What on existing market, generally adopt is gas furnace or resistance furnace, mainly complete band heating by thermal conduction and thermal radiation, although the pollution of heat-processed safe ready is little, have the problem of electric energy twice transformation, utilization rate of electrical is low, causes unnecessary financial loss to enterprise.Process annealing, finished products or the thermal treatment of band generally adopt clock hood type furnace, through type continuous annealing furnace or air cushion furnace, although can ensure surface quality and internal performance that band is good, but its area occupied is larger, one-time investment takes very high, handiness is poor, the equipment starting time is long, changes kind more difficult, cannot adapt to the production of short run, many kinds.
Induction heating technique is as the emerging technology in modern age, induction heating essence is to utilize eddy-current heating that electromagnetic induction produces in conductor to reach the electrically heated of heated parts, it be rely on inductor block by electromagnetic induction electrical energy transfer give heated metal, electric energy changes heat energy in metal inside, the object that reaches heating of metal, utilization rate of electrical is high.In sheet metal strip, the magnetic permeability of aluminium is relatively low, and the aluminium plate thickness of great majority processing is very thin, limit the application of induction heating on aluminium sheet band heat-treatment production line, and, when band passes through induction heating device, on band, there is the overheated phenomenon of strip edge in temperature distribution inhomogeneous.
Utility model content
Technical problem to be solved in the utility model is while overcoming induction heating band, there is temperature distributing disproportionation on band, the phenomenon that strip edge is overheated, provide a kind of temperature controlled sheet metal strip induction heating device, this device can weaken the fringing effect of sheet metal, makes uniformity of temperature profile on sheet metal strip.
The utility model for addressing the above problem adopted technical scheme is: the sheet metal strip induction heating device that a kind of temperature is controlled, comprise that symmetry is located at sheet metal strip both sides and is connected with many groups coil of phase alternating electric current, the setting party of each coil is to all consistent with the direction of motion of sheet metal strip, and the alternating magnetic field intensity that each coil produces is identical, and the inside of described coil is provided with the pole core being stacked into by siliconized plate; This induction heating device also comprises the metal baffle that can move along the edge of sheet metal strip width, and metal baffle is for coordinating pole core to adjust the magnitude of field intensity at sheet metal strip edge.
Wherein, in the utility model, refer to for the baffle plate that coordinates pole core to adjust the magnitude of field intensity at sheet metal strip edge: the made baffle plate of material that can consume sheet metal strip edge section magnetic field energy.
This induction heating device also comprises fixed support, and described pole core and metal baffle are all located on this fixed support, and the position of metal baffle on fixed support is adjustable.
Described metal baffle is at least one straight plate body parallel with sheet metal strip direction of motion.
Described metal baffle is the U-shaped plate body that two symmetries are located at sheet metal strip dual-side, and the edge of sheet metal strip is arranged in the U-shaped inner chamber of two U-shaped plate bodys.
Identical for ensureing the alternating magnetic field intensity that each coil produces, the shadow area on sheet metal strip is identical with coil to make the number of turn of each coil.
This induction heating device utilization is placed on the alternating magnetic field that coil that many groups of sheet metal strip both sides are connected with phase alternating electric current produces, and the joule heating that the eddy current inducing on sheet metal strip produces heats sheet metal strip.Exchange current in the coil of this induction heating device produces the alternating flux perpendicular to workpiece surface, the eddy current inducing is parallel to the surface of sheet metal strip, there is not the problem of cancelling out each other in eddy current on sheet metal strip cross section, makes the corresponding reduction of inactivity, saved the energy; Meanwhile, because coil is not wrapped on sheet metal strip, make the modes of emplacement of induction heating device more flexible, be applicable to the continuous heat treatment process of sheet metal strip and the Local Heating Process of workpiece.
Beneficial effect: 1, at the edge of induction heating device, metal baffle is set, by moving metal baffle plate, can coordinate pole core to adjust the fringe magnetic field intensity of sheet metal strip, solve the problem of temperature homogeneity in sheet metal strip induction heating, made induction installation adapt to better the thermal treatment process of sheet metal strip; Between two pole cores, add the baffle plate being made by red copper, the resistivity of copper is less, and siliconized plate belongs to high permeability material, and loss power when heating is less, greatly less energy loss;
2, in the utility model, the main heating zone at sheet metal strip middle part is multiple, and the area of main heating zone is increased, and ensures that the homogeneity of mobile sheet metal strip heating is better, and heating efficiency is higher.
Brief description of the drawings
When Fig. 1 is conventional tape induction heating, the heat distribution figure on sheet metal strip;
Fig. 2 is wherein a kind of embodiment of the present utility model;
Fig. 3 is another kind of embodiment of the present utility model.
Reference numeral: 1, sheet metal strip, 2, pole core, 3, coil, 4, metal baffle, 5, fixed support, 6, guide rail.
Embodiment
The controlled sheet metal strip induction heating device of a kind of temperature as shown in Figure 2 or Figure 3, comprise that symmetry is located at sheet metal strip 1 both sides and is connected with many groups coil 3 of phase alternating electric current, the alternating magnetic field producing by coil 3, the joule heating that the eddy current inducing on sheet metal strip 1 produces heats sheet metal strip 1.
Wherein, the setting party of each coil 3 is to all consistent with the direction of motion of sheet metal strip 1, and in the direction of motion of sheet metal strip 1, the alternating magnetic field intensity that each coil 3 produces is identical; The inside of described coil 3 is provided with the pole core 2 being stacked into by siliconized plate.This induction heating device also comprises and can move along the edge of sheet metal strip 1 width, and metal baffle 4 for coordinating pole core 2 to adjust the magnitude of field intensity at sheet metal strip 1 edge.Also comprise fixed support 5, described pole core 2 and metal baffle 4 are all located on this fixed support 5, and the position of metal baffle 4 on fixed support 5 is adjustable, and fixed support 5 is provided with the guide rail 6 for regulating metal baffle 4 positions.
As shown in Figure 1, when traditional induction heating, sheet metal strip middle part is overlapping because of eddy current, and thermal value is larger, uniformity of temperature profile; Also there is a small amount of eddy current at the position up and down at middle part, in the time that sheet metal strip at the uniform velocity vertically moves, and the middle part uniformity of temperature profile of sheet metal strip, and the edge of sheet metal strip is because of the skin effect of high-frequency ac, has the excessive problem of edge amount of localized heat.Compared to Figure 1, in the utility model, the main heating zone at band middle part increases to multiple by one of the prior art, and the area of main heating zone is increased, and ensures that the homogeneity of moving of sheet metal strip heating is better; Each magnetic pole unit is strengthened mutually, makes magneticstrength become original twice, and heating efficiency doubles; Edge at induction heating device arranges metal baffle, by moving metal baffle plate, can coordinate pole core to adjust magnetic field, makes induction installation adapt to better the thermal treatment process of sheet metal strip.
Wherein, the set-up mode of metal baffle 4 has multiple.As shown in Figure 2, metal baffle 4 is at least parallel with sheet metal strip direction of motion straight plate body; As shown in Figure 3, metal baffle 4 is the U-shaped plate body that two symmetries are located at sheet metal strip 1 dual-side, and the edge of sheet metal strip 1 is arranged in the U-shaped inner chamber of two U-shaped plate bodys.The mode (not indicating in figure) that also can adopt straight plate body and U-shaped plate body to combine.
In the utility model, between the pole core 2 being oppositely arranged, add the baffle plate being made by red copper, coordinate pole core 2 to adjust the magneticstrength at sheet metal strip 1 edge, the resistivity of copper is less, siliconized plate belongs to high permeability material, loss power when heating is less, greatly less energy loss.Solve the problem of temperature homogeneity in sheet metal strip induction heating, met the demand of most enterprises.
Claims (4)
1. the sheet metal strip induction heating device that temperature is controlled, it is characterized in that: comprise that symmetry is located at sheet metal strip (1) both sides and is connected with many groups coil (3) of phase alternating electric current, the setting party of each coil (3) is to all consistent with the direction of motion of sheet metal strip (1), and the alternating magnetic field intensity that each coil (3) produces is identical, and the inside of described coil (3) is provided with the pole core (2) being stacked into by siliconized plate; Also comprise the metal baffle (4) that can move along the edge of sheet metal strip (1) width, metal baffle (4) is for coordinating pole core (2) to adjust the magnitude of field intensity at sheet metal strip (1) edge.
2. the controlled sheet metal strip induction heating device of a kind of temperature according to claim 1, it is characterized in that: also comprise fixed support (5), it is upper that described pole core (2) and metal baffle (4) are all located at this fixed support (5), and the position of metal baffle (4) on fixed support (5) is adjustable.
3. the controlled sheet metal strip induction heating device of a kind of temperature according to claim 1 and 2, is characterized in that: described metal baffle (4) is at least one straight plate body parallel with sheet metal strip direction of motion.
4. the controlled sheet metal strip induction heating device of a kind of temperature according to claim 1 and 2, it is characterized in that: described metal baffle (4) is the U-shaped plate body that two symmetries are located at sheet metal strip (1) dual-side, the edge of sheet metal strip (1) is arranged in the U-shaped inner chamber of two U-shaped plate bodys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424530.4U CN203999735U (en) | 2014-07-30 | 2014-07-30 | The sheet metal strip induction heating device that a kind of temperature is controlled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424530.4U CN203999735U (en) | 2014-07-30 | 2014-07-30 | The sheet metal strip induction heating device that a kind of temperature is controlled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203999735U true CN203999735U (en) | 2014-12-10 |
Family
ID=52039764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420424530.4U Expired - Fee Related CN203999735U (en) | 2014-07-30 | 2014-07-30 | The sheet metal strip induction heating device that a kind of temperature is controlled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203999735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971928A (en) * | 2019-04-16 | 2019-07-05 | 北京科技大学 | A kind of slab induction heating apparatus |
| CN113727482A (en) * | 2021-08-31 | 2021-11-30 | 南京邮电大学 | Superconducting linear induction heating device |
| CN114760728A (en) * | 2022-04-13 | 2022-07-15 | 中国石油大学(华东) | Induction heating temperature-equalizing cable winding method |
-
2014
- 2014-07-30 CN CN201420424530.4U patent/CN203999735U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971928A (en) * | 2019-04-16 | 2019-07-05 | 北京科技大学 | A kind of slab induction heating apparatus |
| CN109971928B (en) * | 2019-04-16 | 2023-09-15 | 北京科技大学 | A slab induction heating device |
| CN113727482A (en) * | 2021-08-31 | 2021-11-30 | 南京邮电大学 | Superconducting linear induction heating device |
| CN114760728A (en) * | 2022-04-13 | 2022-07-15 | 中国石油大学(华东) | Induction heating temperature-equalizing cable winding method |
| CN114760728B (en) * | 2022-04-13 | 2024-10-11 | 中国石油大学(华东) | A method for winding an induction heating cable with uniform temperature |
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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 |
Granted publication date: 20141210 Termination date: 20180730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |