CN203999690U - For the flux of magnetic induction heating unit of sheet metal strip - Google Patents
For the flux of magnetic induction heating unit of sheet metal strip Download PDFInfo
- Publication number
- CN203999690U CN203999690U CN201420424641.5U CN201420424641U CN203999690U CN 203999690 U CN203999690 U CN 203999690U CN 201420424641 U CN201420424641 U CN 201420424641U CN 203999690 U CN203999690 U CN 203999690U
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- CN
- China
- Prior art keywords
- sheet metal
- coil
- metal strip
- core
- induction heating
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- 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
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- 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
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- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- General Induction Heating (AREA)
Abstract
For the flux of magnetic induction heating unit of sheet metal strip, 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; The side of pole core is provided with the projection that can insert in coil, and described pole core is located at secured core both sides with symmetry and can be adjusted its protruding moving iron core that inserts the coil degree of depth by the secured core that is located at coil middle part and forms.The utility model is by adjusting the projection of the moving iron core depth of penetration in coil, be fixed iron core and 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.
Description
Technical field
The utility model relates to induction heating technique field, specifically a kind of flux of magnetic induction heating unit for sheet metal strip.
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 overheated phenomenon of strip edge, a kind of flux of magnetic induction heating unit for sheet metal strip is provided, 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: for the flux of magnetic induction heating unit of sheet metal strip, 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; The side of pole core is provided with the projection that can insert in coil, and described pole core is located at secured core both sides with symmetry and can be adjusted its protruding moving iron core that inserts the coil degree of depth by the secured core that is located at coil middle part and forms.
This induction heating device also comprises support, and described pole core is located on this support, and the position of the bottom of moving iron core on support is adjustable.
Further, described support is provided with the guide rail for the basal sliding of moving iron core.
This induction heating device comprises the induction heater being made up of coil and pole core that is positioned at sheet metal strip both sides, and sheet metal strip is uniform motion between two induction heaters.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.In the pole core that siliconized plate is stacked into, siliconized plate belongs to high permeability material, and loss power when heating is less, less energy loss.
Beneficial effect: pole core is made up of secured core and the symmetrical moving iron core that is located at secured core both sides, by adjusting the projection of the moving iron core depth of penetration in coil, be fixed iron core and 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; 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 structural representation of the present utility model.
Reference numeral: 1, sheet metal strip, 2, pole core, 3, coil, 4, projection, 5, secured core, 6, moving iron core, 7, support, 8, guide rail.
Embodiment
A kind of flux of magnetic induction heating unit for sheet metal strip as shown in Figure 2, 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 the alternating magnetic field intensity that each coil 3 produces is identical, and the planimetric area of each coil 3 on sheet metal strip 1 is identical, and the number of turn of each coil 3 is identical.The inside of described coil 3 is provided with the pole core 2 being stacked into by siliconized plate, the side of pole core 2 is provided with the projection 4 that can insert in coil 3, and described pole core 2 is by being located at the secured core 5 at coil 3 middle parts and being symmetrically located at secured core 5 both sides and can adjusting its projection and insert the moving iron core 6 of coil 3 degree of depth and form.
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.
This induction heating device also comprises support 7, and described pole core 2 is located on this support 7, and the position of the bottom of moving iron core 6 on support 7 is adjustable.Further, this support 7 is provided with the guide rail 8 for the basal sliding of moving iron core 6.Slip by moving iron core 6 bottoms in guide rail 8, the projection of adjusting on moving iron core 6 is inserted the degree of depth in coil 3, can be fixed iron core 5 and adjust magnetic field, make induction installation adapt to better the thermal treatment process of sheet metal strip, solve the problem of temperature homogeneity in sheet metal strip induction heating, met the demand of most enterprises.
Claims (3)
1. for the flux of magnetic induction heating unit of sheet metal strip, 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; The side of pole core (2) is provided with the projection (4) that can insert in coil (3), and described pole core (2) forms by being located at moving iron core (6) that the secured core (5) at coil (3) middle part and symmetry be located at secured core (5) both sides and can adjust its projection insertion coil (3) degree of depth.
2. the flux of magnetic induction heating unit for sheet metal strip according to claim 1, it is characterized in that: also comprise support (7), it is upper that described pole core (2) is located at this support (7), and the position of the bottom of moving iron core (6) on support (7) is adjustable.
3. the flux of magnetic induction heating unit for sheet metal strip according to claim 2, is characterized in that: described support (7) is provided with the guide rail (8) for the basal sliding of moving iron core (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424641.5U CN203999690U (en) | 2014-07-30 | 2014-07-30 | For the flux of magnetic induction heating unit of sheet metal strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424641.5U CN203999690U (en) | 2014-07-30 | 2014-07-30 | For the flux of magnetic induction heating unit of sheet metal strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203999690U true CN203999690U (en) | 2014-12-10 |
Family
ID=52039719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420424641.5U Expired - Fee Related CN203999690U (en) | 2014-07-30 | 2014-07-30 | For the flux of magnetic induction heating unit of sheet metal strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203999690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235479A (en) * | 2016-12-14 | 2018-06-29 | 宝山钢铁股份有限公司 | Improve transverse magnetic flux sensing heating strip transverse temperature uniformity device and method |
-
2014
- 2014-07-30 CN CN201420424641.5U patent/CN203999690U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235479A (en) * | 2016-12-14 | 2018-06-29 | 宝山钢铁股份有限公司 | Improve transverse magnetic flux sensing heating strip transverse temperature uniformity device and method |
| CN108235479B (en) * | 2016-12-14 | 2021-01-12 | 宝山钢铁股份有限公司 | Device and method for improving transverse temperature uniformity of transverse magnetic flux induction heating strip steel |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180730 |