CN203482435U - Electromagnetic induction heating device - Google Patents
Electromagnetic induction heating device Download PDFInfo
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- CN203482435U CN203482435U CN201320350566.8U CN201320350566U CN203482435U CN 203482435 U CN203482435 U CN 203482435U CN 201320350566 U CN201320350566 U CN 201320350566U CN 203482435 U CN203482435 U CN 203482435U
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- electromagnetic induction
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- magnetic core
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- shielding magnetic
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Abstract
The utility model relates to an electromagnetic induction heating device. The electromagnetic induction heating device solves the problems which seriously affected the practicability, the flexibility, and even safety of electromagnetic stoves in the prior art that. The key points of the technical scheme are that: the electromagnetic induction heating device is used for electromagnetically heating a container, and comprises a plurality of shielding magnetic strips, a connecting base plate, a closed energy collecting magnetic core and an electromagnetic induction coil; the shielding magnetic strips are of equal length, the upper surfaces of all shielding magnetic strips are parallel with the lower surface of the electromagnetic induction coil, first ends of the shielding magnetic strips are connected with the connecting base plate, the center on the upper surface of the connecting base plate is fixedly connected with the bottom end of the closed energy collecting magnetic core, second ends of the shielding magnetic strips are free ends extending towards the radial direction of the electromagnetic induction coil, and the included angles between any adjacent shielding magnetic strips are equal; and the electromagnetic induction coil is arranged above the connecting base plate and the shielding magnetic strips by taking the closed energy collecting magnetic core as the center in a coiling manner. The electromagnetic induction heating device can fully balance the magnetic field distribution and effective control the magnetic field, so as to achieve the purpose of single coil non-blind-area uniform heating.
Description
Technical field
The utility model is a kind of heater, particularly relates to a kind of electromagnetic induction heater.
Background technology
At present, all electromagnetic induction heating products are the plane heating device of non-tubular shape structure especially, induction coil is wound on same plane, a upper circle is by time the following coiling of a circle envelope, due to induction coil winding method and and the reasons in structure of heating appliances (pan) cause being coupled between it unbalanced, Distribution of Magnetic Field is inhomogeneous, thereby cause utensil (pan) to heat inhomogeneous, being mainly manifested in the region having about 50mm in the middle part of the bottom of a pan does not heat---" blind area " (referring to accompanying drawing 4), had a strong impact on the practicality of electromagnetic oven stove, flexibility, even fail safe, although also have Some Enterprises and product to have made some improvements, but produce little effect, all fundamentally do not solve and go wrong.
China Patent Publication No.: CN201387050Y, open day on January 20th, 2010, a kind of Combined type heating wire coil of electromagnetic oven is disclosed, comprise support, embed the magnetic stripe of internal stent, coil the coil on support, and the sleeve pipe being connected with end winding and binding post, above-mentioned support is dish type, between support inner ring and support outer ring, there is radiation buttress, the magnetic stripe that embeds internal stent also radially distributes, support inner ring with on support outer ring, be distributed with the corresponding draw-in groove in position, coil top is fixed by 4～10 band lock catch battens and support, insert respectively in the inner ring draw-in groove and outer ring draw-in groove of support at two of belt lock catch press strip, above-mentioned internal stent is fixed with interior ring magnetic-leakage preventing magnetic core at support inner ring place, in support outer ring, place is fixed with outer shroud magnetic-leakage preventing magnetic core.The utility model not only has combination function and inside and outside magnetic-leakage preventing function, also can greatly improve the heat-sinking capability of coil self, safe and environmentally friendly, has improved the heat efficiency, can also save material simultaneously, reduces energy consumption.But does not heat in the region that this technical scheme still exists the bottom of a pan middle part to have 50mm left and right---" blind area ", has had a strong impact on the practicality, flexibility of electromagnetic oven stove, the problem of fail safe even.
Utility model content
The purpose of this utility model is to have for solving current technical scheme the practicality, flexibility of electromagnetic oven stove, the problem of fail safe even of having had a strong impact on, a kind of abundant equilibrium is provided Distribution of Magnetic Field, reaches the electromagnetic induction heater of single coil non-blind area homogeneous heating.
The utility model solves the technical scheme that its technical problem adopts: a kind of electromagnetic induction heater, for container is carried out to Electromagnetic Heating, comprise some shielding magnetic stripes, connecting base plate, closed cumulative magnetic core and electromagnetic induction coil, all shielding magnetic stripes are equal in length, the upper surface of all shielding magnetic stripes is all parallel with the lower surface of described electromagnetic induction coil, the first end of all shielding magnetic stripes is all connected with described connecting base plate, the center of described connecting base plate upper surface is fixedly connected with the bottom of closed cumulative magnetic core, the second end of described shielding magnetic stripe is the free end extending to electromagnetic induction coil radial direction, angle between described arbitrary neighborhood shielding magnetic stripe equates, described electromagnetic induction coil coils the top that is located at connecting base plate and shielding magnetic stripe centered by closed cumulative magnetic core.Arrange like this, effect due to closed cumulative magnetic core, there has been variation the position of the magnetic line of force, position, blind area of the prior art, for the close quarters of magnetic line of force closure, by a large amount of magnetic lines of force through the bottom centre position of container, fully balanced Distribution of Magnetic Field, change the low problem of the blind area efficiency of heating surface, reached the object of single coil non-blind area homogeneous heating.The form that closed cumulative magnetic core in the utility model is mainly solid bar magnet, also can be other form of magnets that play closed cumulative, shielding magnetic stripe is direct-connected form with the connected mode of connecting base plate or connects to be directly connected with the indirect form of mixing that is connected, the second end that directly connects i.e. all shielding magnetic stripes all and connecting base plate, directly connecting with the form connection that is indirectly connected mixing is to be directly connected with connecting base plate with at least two main shielding magnetic stripes, all the other shielding magnetic stripes are done and are connected with main shielding magnetic stripe, indirectly be connected with connecting base plate, connecting base plate material in the utility model is consistent with shielding magnetic strip material, for by integrated molding.
As preferably, described closed cumulative magnetic core integral body is cylinder, described closed cumulative magnetic core is vertical with all shielding magnetic stripes, the middle part of described closed cumulative magnetic core offers through hole, the cross section of closed cumulative magnetic core is circle or regular polygon, and described through hole is the cylindricality through hole matching with closed cumulative core shapes.Arrange like this, further refinement the shape of the magnetic line of force, the object of Distribution of Magnetic Field that reached abundant equilibrium, in described through hole, transducer is set, can reach the data monitoring of less electromagnetic interference like this, same, the closed cumulative magnetic core weight arranging so also can alleviate, and cost also can further reduce.
As preferably, described electromagnetic induction coil comprises interior electromagnetic induction coil and outer electromagnetic induction coil, described outer electromagnetic induction coil winding is in the outside of interior electromagnetic induction coil, described interior electromagnetic induction coil is double-layer overlapped coiling, described outer electromagnetic induction coil is individual layer row coiling, and the hub of a spool of described interior electromagnetic induction coil and the hub of a spool of outer electromagnetic induction coil are closed cumulative magnetic core.It is more balanced that double-layer overlapped coiling can be further adjusted the magnetic line of force, tries one's best the center of the intensive close container bottom of the magnetic line of force.
As preferably, between described interior electromagnetic induction coil and outer electromagnetic induction coil, arrange and be free coiling.
As preferably, the inner side of described interior electromagnetic induction coil and outside are all pasted with temperature-resistant insulation layer, and the inner side of described outer electromagnetic induction coil and outside are also all pasted with temperature-resistant insulation layer.Temperature-resistant insulation layer has played the effect of safeguard protection, helps electromagnetic induction heater to carry out high temperature resistant and insulation protection.
As preferably, in the middle part correspondence of described shielding magnetic stripe, electromagnetic induction coil outer fix place is provided with the inner ring projection vertical with shielding magnetic stripe, described inner ring projection is fitted with described interior electromagnetic induction coil outside, the outer electromagnetic induction coil outer fix of the free end correspondence place of shielding magnetic stripe is provided with the outer lug vertical with shielding magnetic stripe, described outer lug and described outer electromagnetic induction coil outside laminating, the inner side of the outer electromagnetic induction coil of described shielding magnetic stripe correspondence is provided with internal projection, the inner side laminating of described internal projection and described outer electromagnetic induction coil.The utility model arranges like this, and internal projection plays respectively with outer lug the effect that Distribution of Magnetic Field is become to inner and outer magnetic field, can also play the effect of fixing interior electromagnetic induction coil and outer electromagnetic induction coil.
As preferably, the top of described closed cumulative magnetic core is provided with several concentric circles projections or point-like projection, and the distance between all concentric circless equates, the distance between described arbitrary neighborhood point-like projection equates.By the tip designs of closed cumulative magnetic core, be " ditch-beam " or " peak-paddy " type structure like this, closed cumulative magnetic core is controlling magnetic field magnetic more effectively, reaches ideal distribution.
As preferably, the bottom butt of the top of described closed cumulative magnetic core and container.Arrange like this, the density while further defining the magnetic line of force through container, concentrates on the magnetic line of force central authorities of container bottom more than try one's best.
As preferably, the top of described closed cumulative magnetic core is 15 millimeters with the maximum spacing of bottom apart from container.Arrange like this, if the top of closed cumulative magnetic core and the distance of bottom apart from container are widened, the magnetic line of force, by the so not intensive bottom through container, causes the efficiency of heating surface of container bottom again low, little with the difference of prior art.
As preferably, the top of described outer lug is provided with several concentric circles projections or point-like projection, and the distance between all concentric circless equates, the distance between described arbitrary neighborhood point-like projection equates.Arrange like this, the end face of shielding magnetic stripe is also designed to " ditch-beam " or " peak-paddy " type structure, controlling magnetic field magnetic reaches ideal distribution effectively.
Substantial effect of the present utility model is: fully balanced Distribution of Magnetic Field, controlling magnetic field magnetic reaches ideal distribution effectively, reaches the object of single coil non-blind area homogeneous heating.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure schematic diagram of the present utility model;
Fig. 2 is a kind of method for winding schematic diagram of the electromagnetic induction coil in the utility model;
Fig. 3 is a kind of structural representation that shields magnetic stripe and closed cumulative magnetic core in the utility model;
Fig. 4 is a kind of schematic diagram of background technology in the utility model.
In figure: 1, the magnetic line of force, 2, closed cumulative magnetic core, 3, concentric circles projection, 4, shielding magnetic stripe, 5, electromagnetic induction coil, 6, inner ring projection, 7, internal projection, 8, outer lug, 9, container, 10, connecting base plate, 11, the magnetic line of force in background technology, 12, the heating appliances in background technology.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
A kind of electromagnetic induction heater (referring to accompanying drawing 1 and Fig. 2), for container 9 is carried out to Electromagnetic Heating, comprise four shielding magnetic stripes 4, a connecting base plate 10, closed cumulative magnetic core 2 and electromagnetic induction coil 5, article four, the upper surface of shielding magnetic stripe shielding magnetic stripe equal in length and all is all parallel with the lower surface of described electromagnetic induction coil, the first end of all shielding magnetic stripes is all connected with described connecting base plate, angle between arbitrary neighborhood shielding magnetic stripe equates to be 90 degree, the center of connecting base plate upper surface is fixedly connected with the bottom of closed cumulative magnetic core, the second end of described shielding magnetic stripe extends to electromagnetic induction coil radial direction, the second end of shielding magnetic stripe is free end, described electromagnetic induction coil is centered by closed cumulative magnetic core, integral disc is located at the top of connecting base plate and shielding magnetic stripe.Closed cumulative magnetic core integral body is cylindrical shape, closed cumulative magnetic core is vertical with all shielding magnetic stripes, the middle part of closed cumulative magnetic core offers through hole, and the cross section of closed cumulative magnetic core is circular, and described through hole is the cylindrical hole matching with closed cumulative core shapes.Electromagnetic induction coil comprises interior electromagnetic induction coil and outer electromagnetic induction coil, interior electromagnetic induction coil is established around closed cumulative magnetic core dish, outer electromagnetic induction coil winding is in the outside of interior electromagnetic induction coil, and described interior electromagnetic induction coil is double-layer overlapped coiling (referring to accompanying drawing 3).The dish of the interior electromagnetic induction coil of the present embodiment is established sequence for from inside to outside, the order that gets on, get off and be arranged in order, described outer electromagnetic induction coil is individual layer row coiling, and the hub of a spool of described interior electromagnetic induction coil and the hub of a spool of outer electromagnetic induction coil are closed cumulative magnetic core.Between described interior electromagnetic induction coil and outer electromagnetic induction coil, arrange and be free coiling.The inner side edge of described interior electromagnetic induction coil and outer side edges are all pasted with temperature-resistant insulation layer, and the inner side edge of described outer electromagnetic induction coil and outer side edges are also all pasted with temperature-resistant insulation layer.In the middle part correspondence of described shielding magnetic stripe, electromagnetic induction coil outer fix place is provided with the inner ring projection 6 vertical with shielding magnetic stripe, described inner ring projection is fitted in order to electromagnetic induction coil in fixing with described interior electromagnetic induction coil outside, the outer electromagnetic induction coil outer fix of the free end correspondence place of shielding magnetic stripe is also provided with the outer lug vertical with shielding magnetic stripe 8, described outer lug and described outer electromagnetic induction coil outside laminating, the place, inner side of the outer electromagnetic induction coil of described shielding magnetic stripe correspondence is provided with internal projection 7, the inner side laminating of described internal projection and described outer electromagnetic induction coil.Internal projection and outer lug clamp outer electromagnetic induction coil, play fixing effect, the top of described closed cumulative magnetic core is provided with several concentric circles projections 3, forms hook-girder construction, distance between all concentric circless equates, the bottom butt of the top of described closed cumulative magnetic core and container.The top of described outer lug is also provided with several concentric circles projections, form hook-girder construction, and the distance between concentric circles equates.
Embodiment 2:
Embodiment 2 is substantially the same manner as Example 1, and its difference is, between the top of closed cumulative magnetic core and the bottom apart from container, is provided with space, and described space to the maximum spacing on the top of closed cumulative magnetic core is 15 millimeters.The top of closed cumulative magnetic core and the top of outer lug are provided with the projection of several point-like, and the distance between described arbitrary neighborhood point-like projection is equal, and the top of closed cumulative magnetic core and the top of outer lug all form peak and valley structure.Closed cumulative magnetic core in the present embodiment is positive 8 limit shape columns, and transducer is set in through hole.
When above-mentioned two embodiment are used, in described through hole, transducer is set, can reaches like this data monitoring of less electromagnetic interference, same, the closed cumulative magnetic core weight arranging so also can alleviate, and cost also can further reduce.The magnetic line of force 1 in two embodiment is all closed cumulative restriction that magnetic core collects, the density while making the magnetic line of force pass container, and many central authorities of container bottom that the magnetic line of force is concentrated on can try one's best.And the version on the top of closed cumulative magnetic core also effectively controlling magnetic field magnetic reach ideal distribution.Interior electromagnetic induction coil is double-layer overlapped coiling, and the dish of interior electromagnetic induction coil is established sequence for from inside to outside, the order that gets on, get off and be arranged in order, can be fully balanced Distribution of Magnetic Field.Thereby reach the effect of single coil non-blind area homogeneous heating.
Above-described embodiment is a kind of preferably scheme of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (10)
1. an electromagnetic induction heater, for container is carried out to Electromagnetic Heating, it is characterized in that: comprise some shielding magnetic stripes, connecting base plate, closed cumulative magnetic core and electromagnetic induction coil, all shielding magnetic stripes are equal in length, the upper surface of all shielding magnetic stripes is all parallel with the lower surface of described electromagnetic induction coil, the first end of all shielding magnetic stripes is all connected with described connecting base plate, the center of described connecting base plate upper surface is fixedly connected with the bottom of closed cumulative magnetic core, the second end of described shielding magnetic stripe is the free end extending to electromagnetic induction coil radial direction, angle between described arbitrary neighborhood shielding magnetic stripe equates, described electromagnetic induction coil coils the top that is located at connecting base plate and shielding magnetic stripe centered by closed cumulative magnetic core.
2. electromagnetic induction heater according to claim 1, it is characterized in that: described closed cumulative magnetic core integral body is cylinder, described closed cumulative magnetic core is vertical with all shielding magnetic stripes, the middle part of described closed cumulative magnetic core offers through hole, the cross section of closed cumulative magnetic core is circle or regular polygon, and described through hole is the cylindricality through hole matching with closed cumulative core shapes.
3. electromagnetic induction heater according to claim 1, it is characterized in that: described electromagnetic induction coil comprises interior electromagnetic induction coil and outer electromagnetic induction coil, described outer electromagnetic induction coil winding is in the outside of interior electromagnetic induction coil, described interior electromagnetic induction coil is double-layer overlapped coiling, described outer electromagnetic induction coil is individual layer row coiling, and the hub of a spool of described interior electromagnetic induction coil and the hub of a spool of outer electromagnetic induction coil are closed cumulative magnetic core.
4. electromagnetic induction heater according to claim 3, is characterized in that: between described interior electromagnetic induction coil and outer electromagnetic induction coil, arrange and be free coiling.
5. according to the electromagnetic induction heater described in claim 3 or 4, it is characterized in that: the inner side of described interior electromagnetic induction coil and outside are all pasted with temperature-resistant insulation layer, the inner side of described outer electromagnetic induction coil and outside are also all pasted with temperature-resistant insulation layer.
6. electromagnetic induction heater according to claim 5, it is characterized in that: in the middle part correspondence of described shielding magnetic stripe, electromagnetic induction coil outer fix place is provided with the inner ring projection vertical with shielding magnetic stripe, described inner ring projection is fitted with described interior electromagnetic induction coil outside, the outer electromagnetic induction coil outer fix of the free end correspondence place of shielding magnetic stripe is provided with the outer lug vertical with shielding magnetic stripe, described outer lug and described outer electromagnetic induction coil outside laminating, the inner side of the outer electromagnetic induction coil of described shielding magnetic stripe correspondence is provided with internal projection, the inner side laminating of described internal projection and described outer electromagnetic induction coil.
7. electromagnetic induction heater according to claim 1, it is characterized in that: the top of described closed cumulative magnetic core is provided with several concentric circles projections or point-like projection, distance between all concentric circless is equal, and the distance between described arbitrary neighborhood point-like projection equates.
8. electromagnetic induction heater according to claim 1, is characterized in that: the bottom butt of the top of described closed cumulative magnetic core and container.
9. electromagnetic induction heater according to claim 1, is characterized in that: the top of described closed cumulative magnetic core is 15 millimeters with the maximum spacing of bottom apart from container.
10. electromagnetic induction heater according to claim 6, it is characterized in that: the top of described outer lug is provided with several concentric circles projections or point-like projection, distance between all concentric circless is equal, and the distance between described arbitrary neighborhood point-like projection equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350566.8U CN203482435U (en) | 2013-06-18 | 2013-06-18 | Electromagnetic induction heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350566.8U CN203482435U (en) | 2013-06-18 | 2013-06-18 | Electromagnetic induction heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203482435U true CN203482435U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320350566.8U Expired - Fee Related CN203482435U (en) | 2013-06-18 | 2013-06-18 | Electromagnetic induction heating device |
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| Country | Link |
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| CN (1) | CN203482435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415099A (en) * | 2013-06-18 | 2013-11-27 | 余姚三倍厨电科技有限公司 | Electromagnetic induction heating device |
| WO2022242383A1 (en) * | 2021-05-20 | 2022-11-24 | 青岛海尔滚筒洗衣机有限公司 | Clothes treatment device |
-
2013
- 2013-06-18 CN CN201320350566.8U patent/CN203482435U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415099A (en) * | 2013-06-18 | 2013-11-27 | 余姚三倍厨电科技有限公司 | Electromagnetic induction heating device |
| CN103415099B (en) * | 2013-06-18 | 2015-12-23 | 余姚三倍厨电科技有限公司 | Electromagnetic induction heater |
| WO2022242383A1 (en) * | 2021-05-20 | 2022-11-24 | 青岛海尔滚筒洗衣机有限公司 | Clothes treatment device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20160618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |