CN108684097A - Electromagnetic induction heater and electromagnetic induction heating roller - Google Patents
Electromagnetic induction heater and electromagnetic induction heating roller Download PDFInfo
- Publication number
- CN108684097A CN108684097A CN201810934683.6A CN201810934683A CN108684097A CN 108684097 A CN108684097 A CN 108684097A CN 201810934683 A CN201810934683 A CN 201810934683A CN 108684097 A CN108684097 A CN 108684097A
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- China
- Prior art keywords
- electromagnetic induction
- coil
- induction heater
- induction heating
- roll body
- Prior art date
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- Pending
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- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 84
- 238000010438 heat treatment Methods 0.000 title claims abstract description 67
- 239000007787 solid Substances 0.000 claims abstract description 22
- 238000009415 formwork Methods 0.000 claims abstract description 16
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 230000006698 induction Effects 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000002657 fibrous material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/44—Coil arrangements having more than one coil or coil segment
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/14—Tools, e.g. nozzles, rollers, calenders
- H05B6/145—Heated rollers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The present invention relates to a kind of electromagnetic induction heaters and electromagnetic induction heating roller, the heating device includes multiple heating modules, each heating module is made of the coil of the ellipse positioned at core with the formwork integrally poured into a mould being wrapped in outside coil, formwork adds fibrous material using fire resistant resin, and outer surface is equipped with high-temperaure coating, each heating module mutually splices fixation, each dip-parallel arrangement of coil, and each coil connects a controller.The electromagnetic induction heating roller includes solid roll body and the electromagnetic induction heater, and the electromagnetic induction heater is relatively fixed the radial outside being arranged in the solid roll body.The present invention is suitable for the external situation of heating device, and roll body can be made easy to maintain, and heating efficiency is high, roll body surface temperature uniformity, and the product quality produced is more excellent.
Description
Technical field
The electromagnetic induction heating roller heated the present invention relates to a kind of electromagnetic induction heater and using the device.
Background technology
As shown in Fig. 4 a, 4b, its coil of existing electromagnetic induction heater is typically to be arranged in rows, and in coil
The long axis direction of each coil is each perpendicular to its orientation in the plane arranged.The disadvantage is that the magnetic line of force is covered with blind area, no
It is high-temperature region close to the both ends of coil long axis only in this way, in the region that the magnetic line of force can cover, is low temperature in the middle part of coil
Area, high-temperature region and low-temperature space are respectively independent, therefore the magnetic line of force can not possibly be uniformly distributed in the entire working surface of heating device, whole
A working surface is also impossible to realize that temperature is uniform.
Traditional heating roller is hollow, passes through inside injection deep fat, internal addition charcoal fire heating or internal installation electricity
Metal-magnetic needle heats roll body, the disadvantage is that heating roller internal structure is complicated, yielding, structural stability is poor, is unfavorable for tieing up
Shield, high failure rate, maintenance cost is high, while heating roller surface temperature is uneven, it is difficult to accomplish to make roll body surface temperature height one
It causes, therefore the product quality produced is bad.
Invention content
The present invention is intended to provide a kind of electromagnetic induction heater and electromagnetic induction heating roller, heating roller is easy to maintain, electricity
Metal-magnetic needle makes heating roller surface temperature uniformity, therefore the product quality produced is obviously improved.
The main technical schemes of the present invention have：
A kind of electromagnetic induction heater, internal be arranged side by side have multiple induction coils, and each coil is around long circle
Plate-like, the line between the distalmost end of each coil are tilted relative to the orientation of each coil, and according to same
One direction tilts.
Line between the distalmost end of the oblong of each coil is mutually parallel, and the relatively described orientation is inclined
Angle is in 30-60 degree angular regions, preferably 45 degree.
Each coil corresponds to an electromagnetic induction heating module, is relatively fixed between the electromagnetic induction heating module
Connection, the electromagnetic induction heating module include the coil and the formwork being wrapped in outside the coil, institute positioned at core
State formwork adds fiber integrally to pour into a mould using fire resistant resin.
Further preferably each coil connects a controller.
Several magnetic stripes are additionally provided in the electromagnetic induction heating module, several magnetic stripes are spaced to be arranged into and the coil
Adaptable long circular ring shape, and each magnetic stripe is along the radial arrangement of the oblong of coil.
The outer surface of the formwork is preferably provided with uniform high-temperature resistant coating layer.
One lateral surface of the formwork is arranged to indent cylindrical surface, and the lateral surface and the disk of the corresponding coil are just
It is right.
The electromagnetic induction heater is additionally provided with the shell of stainless steel, and the shell is elongated box-like, each described
Electromagnetic induction heating module is mounted in the shell, and the shell, which wraps, removes indent in the electromagnetic induction heating module
All surfaces other than cylindrical surface, the indent cylindrical surface in each electromagnetic induction heating module are mutually aligned, and its
Busbar extends each along the length direction of the shell.
A kind of electromagnetic induction heating roller, including solid roll body and the electromagnetic induction heater, the electromagnetic induction add
Thermal is relatively fixed the radial outside being arranged in the solid roll body.One lateral surface of the electromagnetic induction heater is set
It is set to indent cylindrical surface, the indent cylindrical surface is towards the solid roll body, and the axis of its busbar and the solid roll body
Parallel arrangement.
The position of the relatively described solid roll body of the electromagnetic induction heater and radial distance are adjustable.
The beneficial effects of the invention are as follows：
The electromagnetic induction heater of the present invention tilts side-by-side arrangement using each coil, can realize that magnetic line of force non-blind area covers
With being uniformly distributed for the magnetic line of force, therefore the working surface of electromagnetic induction heater temperature uniformity everywhere can be made.
The heating roller of the present invention is solid, and one side maintenance cost is lower, and equipment is more stable；On the other hand by pioneering
External electromagnetic induction heating apparatus, make roll body surface temperature evenly, can accomplish to be evenly heated roll body, while making equipment more
Stablize, the product quality produced is more excellent；Third is can to control the different temperature of different zones, can be by roll body surface point
Area, different zones set different temperature, can be adjusted flexibly as needed.The present invention is in industry once to change.
Description of the drawings
Fig. 1 is the coil configuration schematic diagram of one embodiment of the electromagnetic induction heater；
Fig. 2 is a kind of possible distribution schematic diagram of the magnetic stripe；
Fig. 3 is the structural schematic diagram of one embodiment of the electromagnetic induction heater；
Fig. 4 a, Fig. 4 b are the arrangement mode schematic diagrames of existing electromagnetic induction heater coil.
Specific implementation mode
The invention discloses a kind of electromagnetic induction heaters, are used for external heating electromagnetic induction heating roller, and core is
Inside multiple induction coils arranged side by side（Referred to as coil）1.As shown in Figure 1, each coil is around long circle（Including
Ellipse）Plate-like, the line between the distalmost end of each coil are tilted relative to the orientation of each coil, and
According to same towards tilting, i.e., inclined direction is roughly the same, and by taking the visual angles Fig. 1 as an example, roughly the same inclined direction refers to each coil
It is tilted all in accordance with right high left low direction.The arrangement of each coil is not limited to the arrangement in plane, mainly regards heating device
Working surface spatial form depending on, allow to arrange along certain space curve direction.
The electromagnetic induction heater uses multiple coils, and the coil is arranged in the manner described above, compared to existing
Some electromagnetic induction heater coils are lateral（As shown in fig. 4 a）Or it is longitudinal（As shown in Figure 4 b）Be intervally arranged mode, can be real
Existing magnetic line of force non-blind area covering.When one coil plays heating functioin, high-temperature region is usually located at the both ends of the oblong of the coil（Cause
It is more dense for the end positions magnetic line of force）, using above-mentioned inclined arrangement mode, the magnetic line of force close quarters of a coil can be made
It overlaps with the magnetic line of force sparse region of adjacent windings, keeps magnetic line of force distribution more uniform, and then make the electromagnetic heater
Working surface temperature is consistent everywhere, correspondingly, with the roll body surface of the electromagnetic induction heating roller of the external heating of the heating device
Temperature is also just more uniform, and the product quality produced is more excellent.
The inclination angle theta of the relatively described orientation of line between the distalmost end of the oblong of each coil preferably exists
It is specific to need to be adjusted according to the length and width of the coil in 30-60 degree angular regions.The distalmost end of the oblong of the coil
The distance between be coil length, respective distance with length direction on perpendicular direction is the width of coil.When each line
Circle is when being arranged along certain space curve direction, and the inclination angle theta is cut flat in the space curve of excessively corresponding hub of a spool
Obtained angle is measured in face.The usual tangent plane is also plane where corresponding coil.
In embodiment illustrated in fig. 1, each coil is arranged in a plane, the distalmost end of the oblong of each coil it
Between line preferably be mutually parallel, inclination angle theta within the scope of 30-60 degree, such as can be 45 °.
The present invention uses the dip-parallel arrangement mode of multiple coils, and the magnetic line of force close quarters of each coil is made just to cover
Covered the magnetic line of force sparse region of adjacent windings, resultant effect be exactly the induction heating apparatus entire working surface all by
The magnetic line of force covers, and in the case of same intervals are kept between coil, magnetic line of force distribution will more uniformly, to make electromagnetic induction
The heat that heating device generates also is uniformly dispersed, and thus, it is possible to be uniformly heated up roll body.
Each coil corresponds to an electromagnetic induction heating module, is relatively fixed between the electromagnetic induction heating module
Connection.The electromagnetic induction heating module includes the formwork 3 for being located at the coil 1 of core and being wrapped in outside the coil,
The formwork adds fiber integrally to pour into a mould using fire resistant resin.
Then elder generation's coiling when making navigates to coil in preprepared mold, integrated poured into mold
Fibrous fire resistant resin, final fibrous fire resistant resin become an entirety, i.e., the described electromagnetism sense with coil consolidation
Answer heating module.
The quantity of the mating electromagnetic induction heating module of one electromagnetic induction heater can combine according to demand.Electromagnetism sense
Answer heating module that can mutually splice.
It can be equipped with several embedded nuts on the frame of the formwork, the module and other knots can be realized by thread connector
Being fixedly connected between structure.
The electromagnetic induction heater can also be optimized at following any one or more aspects.
1, together, each coil connects a controller to multiple coil combinations, and each controller can
Target temperature is freely set and adjusts, different electromagnetic induction heating modules can set different electric currents, temperature.Because no
The different location of electromagnetic induction heater has been corresponded to coil, therefore can make different location that there is different temperature, to
Make the roll body surface heated can also point different zones obtain different temperature, meet roll body surface by area's different temperatures plus
Heat needs.
2, can be with as shown in Fig. 2, each coil correspond to several magnetic stripes 2, these magnetic stripes are spaced to be arranged into and institute
The adaptable long circular ring shape of coil is stated, and each magnetic stripe is along the radial arrangement of the oblong of coil.The magnetic stripe is using letter
Single rectangular configuration.The setting of the magnetic stripe can be such that the magnetic line of force more concentrates.
3, the outer surface of the formwork is preferably provided with uniform high-temperature resistant coating layer（It is not shown in figure）, to improve formwork
High temperature resistance.
4, a lateral surface of the formwork is preferably provided to indent cylindrical surface, as working surface, the lateral surface be with
The side of the disk face of the corresponding coil.Setting can increase the working surface of the electromagnetic induction heating module in this way
Area, promoted heating effect.
The knot on the indent cylindrical surface of the mating multiple electromagnetic induction heating modules of a usual electromagnetic induction heater
Structure parameter is identical.
5, as shown in figure 3, the electromagnetic induction heater is additionally provided with the shell 4 of stainless steel, the shell can be in length
Bar shaped is box-like, and each electromagnetic induction heating module is mounted in the shell, and it is later that the shell wraps combination
All surfaces in each electromagnetic induction heating module in addition to working surface.
Working surface for the electromagnetic induction heating module is indent cylindrical surface 3-1, each electromagnetic induction
The indent cylindrical surface on heating module is mutually aligned, and its busbar extends each along the length direction of the shell.It is pre-buried
Nut provides thread pore structure 3-2, can be used for electromagnetic induction heating module and being fixedly connected between shell.
The invention also discloses a kind of electromagnetic induction heating rollers, including solid roll body and electromagnetic induction heating described previously dress
It sets, the electromagnetic induction heater is relatively fixed the radial outside being arranged in the solid roll body.The solid roll body can roll
It makes.Lower using solid roll body one side maintenance cost, structure is more stable, and on the other hand, roll body surface temperature is distributed more
Add uniform unification.
When the working surface of the electromagnetic induction heating module is arranged to indent cylindrical surface, indent cylindrical surface direction
The solid roll body, and the axis of its busbar and the solid roll body is arranged in parallel.Indent cylindrical surface is from roller described in envelope
The local surfaces of body make uniformly to be unified by envelope surface temperature.The length of the usual working surface is not less than the roll body
Length.When work, the surface shortest distance of the working surface and the roll body is in 2-3cm.
The position of the relatively described solid roll body of the electromagnetic induction heater（Including upper and lower position all around）And diameter
To apart from adjustable.
As a kind of possible mounting means, the solid roll body can be rotatably mounted in a rack, the electromagnetism sense
Heating device is answered then to be fixed on a holder, the holder is plate-like, is obliquely installed, the bottom margin of the holder and the machine
Frame is hinged, and hinge axes are parallel to the rotation center of the solid roll body.The middle part of the holder and one end of a cylinder are hinged,
The other end of the cylinder is relatively fixed installation with the rack.With stretching for the cylinder, the holder can be with respect to institute
Rack is stated to spin upside down.When work, cylinder stretches out, and holder is dug upwards, makes the working surface of the electromagnetic induction heater
（That is the combination of the working surface of electromagnetic induction heating module）Reach at a distance from 2-3cm with solid roll body surface face, work knot
Shu Hou, cylinders retract, holder are turned down, and make the electromagnetic induction heater far from the solid roll body.
Claims (10)
1. a kind of electromagnetic induction heater, it is characterised in that：Its internal is arranged side by side has multiple induction coils, each line
The line enclosed between long circle plate-like, the distalmost end of each coil inclines relative to the orientation of each coil
Tiltedly, and according to same towards inclination.
2. electromagnetic induction heater as described in claim 1, it is characterised in that：The oblong of each coil it is farthest
Line between end is mutually parallel, and the inclination angle of the relatively described orientation is in 30-60 degree angular regions.
3. electromagnetic induction heater as claimed in claim 1 or 2, it is characterised in that：Each coil corresponds to an electricity
Magnetic induction heating module is relatively fixed connection between the electromagnetic induction heating module, and the electromagnetic induction heating module includes
The coil positioned at core and the formwork that is wrapped in outside the coil, the formwork add fiber one using fire resistant resin
It pours into a mould.
4. electromagnetic induction heater as claimed in claim 3, it is characterised in that：It is also set in the electromagnetic induction heating module
There are several magnetic stripes, several magnetic stripes are spaced to be arranged into the long circular ring shape being adapted with the coil, and each magnetic stripe edge
The radial arrangement of the oblong of coil.
5. electromagnetic induction heater as claimed in claim 4, it is characterised in that：The outer surface of the formwork is equipped with uniform
High-temperature resistant coating layer.
6. the electromagnetic induction heater as described in claim 3,4 or 5, it is characterised in that：One lateral surface of the formwork
It is arranged to indent cylindrical surface, the disk face of the lateral surface and the corresponding coil.
7. electromagnetic induction heater as claimed in claim 6, it is characterised in that：It is additionally provided with the shell of stainless steel, it is described outer
Shell is elongated box-like, and each electromagnetic induction heating module is mounted in the shell, and the shell wraps described
All surfaces in electromagnetic induction heating module in addition to indent cylindrical surface, it is described in each electromagnetic induction heating module
Indent cylindrical surface is mutually aligned, and its busbar extends each along the length direction of the shell.
8. electromagnetic induction heater as claimed in claim 7, it is characterised in that：Each coil connects a control
Device.
9. a kind of electromagnetic induction heating roller, it is characterised in that：It is wanted including any one of solid roll body and claim 1-8 right
The electromagnetic induction heater, the electromagnetic induction heater is asked to be relatively fixed the radial direction being arranged in the solid roll body
Outside.
10. electromagnetic induction heating roller as claimed in claim 9, it is characterised in that：The electromagnetic induction heater is with respect to institute
Position and the radial distance for stating solid roll body are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810934683.6A CN108684097A (en) | 2018-08-16 | 2018-08-16 | Electromagnetic induction heater and electromagnetic induction heating roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810934683.6A CN108684097A (en) | 2018-08-16 | 2018-08-16 | Electromagnetic induction heater and electromagnetic induction heating roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108684097A true CN108684097A (en) | 2018-10-19 |
Family
ID=63815351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810934683.6A Pending CN108684097A (en) | 2018-08-16 | 2018-08-16 | Electromagnetic induction heater and electromagnetic induction heating roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108684097A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030215255A1 (en) * | 2002-05-14 | 2003-11-20 | Toshiba Tec Kabushiki Kaisha | Fixing mechanism for use in image forming apparatus |
| JP2012063791A (en) * | 2011-12-15 | 2012-03-29 | Ricoh Co Ltd | Fixing device and image forming apparatus |
| JP2014175076A (en) * | 2013-03-06 | 2014-09-22 | Tokuden Co Ltd | Induction heating apparatus |
| CN206442544U (en) * | 2017-06-13 | 2017-08-25 | 杭州富阳蓝博节能科技有限公司 | A kind of discoid electromagnetic induction coil heater |
| CN206977739U (en) * | 2017-05-19 | 2018-02-06 | 天津市龙津科技有限公司 | A kind of Electromagnetic Heating roll |
| CN208806990U (en) * | 2018-08-16 | 2019-04-30 | 杭州富阳蓝博节能科技有限公司 | Electromagnetic induction heater and electromagnetic induction heating roller |
-
2018
- 2018-08-16 CN CN201810934683.6A patent/CN108684097A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030215255A1 (en) * | 2002-05-14 | 2003-11-20 | Toshiba Tec Kabushiki Kaisha | Fixing mechanism for use in image forming apparatus |
| JP2012063791A (en) * | 2011-12-15 | 2012-03-29 | Ricoh Co Ltd | Fixing device and image forming apparatus |
| JP2014175076A (en) * | 2013-03-06 | 2014-09-22 | Tokuden Co Ltd | Induction heating apparatus |
| CN206977739U (en) * | 2017-05-19 | 2018-02-06 | 天津市龙津科技有限公司 | A kind of Electromagnetic Heating roll |
| CN206442544U (en) * | 2017-06-13 | 2017-08-25 | 杭州富阳蓝博节能科技有限公司 | A kind of discoid electromagnetic induction coil heater |
| CN208806990U (en) * | 2018-08-16 | 2019-04-30 | 杭州富阳蓝博节能科技有限公司 | Electromagnetic induction heater and electromagnetic induction heating roller |
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