CN203661332U - Electromagnetic heating coil disc assembly and induction cooker - Google Patents
Electromagnetic heating coil disc assembly and induction cooker Download PDFInfo
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- CN203661332U CN203661332U CN201320788686.6U CN201320788686U CN203661332U CN 203661332 U CN203661332 U CN 203661332U CN 201320788686 U CN201320788686 U CN 201320788686U CN 203661332 U CN203661332 U CN 203661332U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 58
- 230000006698 induction Effects 0.000 title abstract 5
- 238000004804 winding Methods 0.000 claims description 19
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 230000002500 effect on skin Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000005674 electromagnetic induction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
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Abstract
The utility model provides an electromagnetic heating coil disc assembly and an induction cooker. The electromagnetic heating coil disc assembly comprises a coil support and a plurality of coils. The plurality of coils are installed on the coil support. The plurality of coils are connected in parallel and form a coil group which can be independently heated. By using the electromagnetic heating coil disc assembly provided in the utility model, a traditional coil with a single and large cross-sectional area is divided into a plurality of coils with small cross-sectional areas; the plurality of coils are connected in parallel so that an influence of a skin effect to coil resistances is reduced, the resistances of the coils are reduced, energy consumption of the coils is further decreased and energy efficiency of the induction cooker is increased. By using the induction cooker provided in the utility model, an electromagnetic heating speed is fast, the energy efficiency is high and the heating efficiency of the induction cooker is increased under the condition that manufacturing cost is not increased.
Description
Technical field
The utility model relates to household appliance technical field, in particular to a kind of electromagnetic heating coil disc assembly and the electromagnetic oven that comprises this electromagnetic heating coil disc assembly.
Background technology
Electromagnetic heating coil disc assembly is made up of coil, coil brace and magnetic stripe assembly conventionally.Wherein, coil is the coil of the disk-like structure that is coiled into by enamelled wire, the method of its improving energy efficiency adopts increases number of turns or in the situation that number of turns is identical, increases the long-pending two kinds of modes of coil section the resistance that reduces coil under same cross-sectional area, to reduce the energy consumption of coil, reach the object that promotes electromagnetic oven efficiency.But in the time that the cross-sectional area of coil increases to a certain degree, because being subject to the impact of skin effect, the resistance of coil is no longer with the increasing and reduce of the increase of cross-sectional area or number of turns, adopt above two kinds of methods will be no longer applicable.
Utility model content
For solving the problems of the technologies described above or one of at least, the utility model provides a kind of electromagnetic heating coil disc assembly, the coil of traditional single large cross-sectional area is divided into the coil of multiple little cross-sectional areas, and adopt the equal mode in parallel of multiple coils to reduce the impact of skin effect on coil resistance, to reduce the resistance of coil, the energy consumption of coil is further reduced, thereby realize the object that promotes electromagnetic oven efficiency.
In view of this, the utility model provides a kind of electromagnetic heating coil disc assembly, comprise coil brace and multiple coil, multiple described coils are installed on described coil brace, and between multiple described coil, be all connected in parallel and form one can independent heating coil groups.
The electromagnetic heating coil disc assembly that the utility model provides, the coil of traditional single large cross-sectional area is divided into the coil of multiple little cross-sectional areas, and adopt multiple coils all mode in parallel form one can independent heating coil groups, to reduce the impact of skin effect on coil resistance, reduce the resistance of coil, the energy consumption of coil is further reduced, thereby realize the object that promotes electromagnetic oven efficiency.
According to an embodiment of the present utility model, described coil groups is multiple, is that layout has multiple coil groups that can independent heating on coil brace, can improve heating power and the efficiency of heating surface.
According to an embodiment of the present utility model, multiple described coils are all coiled into annular structure, and the nested setting of multiple described coil ecto-entad concentric annular, thereby promote the uniformity of coil heats.
According to an embodiment of the present utility model, between adjacent described coil, there is gap.
According to an embodiment of the present utility model, the sensibility reciprocal of each coil in multiple described coils is not identical, and the sensibility reciprocal that is positioned at the coil of outer shroud in adjacent two coils is less than the sensibility reciprocal of the coil that is positioned at ring.
In the time of nested setting of multiple coil ecto-entad concentric annular, the coil sensibility reciprocal of being arranged to interior ring is large, and the sensibility reciprocal of the coil of outer shroud is little, and to change the distribution of electric current, the sensibility reciprocal of inner loop-line circle is large, and the electric current producing is little, and heating is few; The electric current that outer shroud coil produces is large, and heating is large, but the good heat dissipation of outer shroud coil (because the heat radiation air quantity of outer shroud coil contact is many), thereby has lowered the bulk temperature of coil; Temperature and resistance have relation, and the temperature more resistance of low coil is less, can further reduce the resistance of coil, to reach the object that reduces coil energy consumption and promote complete machine efficiency.
According to an embodiment of the present utility model, in the time that the cross-sectional area of described coil of interior ring is identical with the cross-sectional area of the described coil of outer shroud, the number of turns of the described coil of interior ring is more than the number of turns of the described coil of outer shroud, like this, the sensibility reciprocal of the coil of interior ring is greater than the sensibility reciprocal of the coil of outer shroud.
According to an embodiment of the present utility model, in the time that the number of turns of described coil of interior ring is identical with the number of turns of the described coil of outer shroud, the area of the cross section of the described coil of interior ring is greater than the area of the cross section of the described coil of outer shroud, like this, the sensibility reciprocal of the coil of interior ring is greater than the sensibility reciprocal of the coil of outer shroud.
According to an embodiment of the present utility model, multiple described coils are by the splicing ear connection that is in parallel, or by the circuit board connection that is in parallel, are connected in parallel and can be promoted speed and the reliability of connection by splicing ear or circuit board.
According to an embodiment of the present utility model, described coil comprises the first coil that is positioned at outer shroud and the second coil that is positioned at ring, when the direction of winding of the direction of winding of described the first coil and described the second coil is identical, the end of incoming cables of described the first coil is connected with the end of incoming cables of described the second coil, the leading-out terminal of described the first coil is connected with the leading-out terminal of described the second coil, that is: realize the first coil identical with the direction of electromagnetic induction that the second coil produces, and stack mutually, and then promote Electromagnetic Heating speed and the efficiency of heating surface.
According to an embodiment of the present utility model, described the first coil is connected by splicing ear with described the second coil, described splicing ear is two, the end of incoming cables of the end of incoming cables of described the first coil and described the second coil is welded on one of them splicing ear, and the leading-out terminal of the leading-out terminal of described the first coil and described the second coil is welded on another splicing ear.
According to an embodiment of the present utility model, described coil comprises the first coil that is positioned at outer shroud and the second coil that is positioned at ring, when the direction of winding of the direction of winding of described the first coil and described the second coil is contrary, the end of incoming cables of described the first coil is connected with the leading-out terminal of described the second coil, the leading-out terminal of described the first coil is connected with the end of incoming cables of described the second coil, that is: realize the first coil identical with the direction of electromagnetic induction that the second coil produces, and stack mutually, and then promote Electromagnetic Heating speed and the efficiency of heating surface.
According to an embodiment of the present utility model, described the first coil is connected by circuit board with described the second coil, the leading-out terminal of the end of incoming cables of described the first coil and described the second coil is welded on the same node of described circuit board, the end of incoming cables of the leading-out terminal of described the first coil and described the second coil is welded on other same nodes of described circuit board, and has pressure reduction between two nodes.
The embodiment of the utility model second aspect provides a kind of electromagnetic oven, comprises coil panel assembly and magnetic stripe assembly, and described magnetic stripe assembly is arranged on described coil panel assembly; Described coil panel assembly is the electromagnetic heating coil disc assembly described in above-mentioned arbitrary embodiment.
The electromagnetic oven that the present embodiment provides, Electromagnetic Heating speed is fast, and efficiency is high, and in the situation that not increasing manufacturing cost, has promoted the efficiency of heating surface of electromagnetic oven.
In sum, the electromagnetic heating coil disc assembly that the utility model provides, the coil of traditional single large cross-sectional area is divided into the coil of multiple little cross-sectional areas, and adopt the equal mode in parallel of multiple coils to reduce the image of skin effect to coil resistance, to reduce the resistance of coil, the energy consumption of coil is further reduced, thereby realize the object that promotes electromagnetic oven efficiency.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of coil, coil brace and magnetic stripe assembly one embodiment that on the electromagnetic oven that comprises electromagnetic heating coil disc assembly described in the utility model, direction of winding is identical;
Fig. 2 is the structural representation that the coil in Fig. 1 is connected in parallel by circuit board;
Fig. 3 is the decomposition texture schematic diagram of coil, coil brace and magnetic stripe assembly one embodiment that on the electromagnetic oven that comprises electromagnetic heating coil disc assembly described in the utility model, direction of winding is contrary;
Fig. 4 is the structural representation that the coil in Fig. 3 is connected in parallel by circuit board.
Wherein, in Fig. 1 to Fig. 4, the corresponding relation between Reference numeral and component names is:
11 first coils, 12 second coils, 2 coil braces, 3 splicing ears, 4 circuit boards, 5 magnetic stripe assemblies.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection range of the present utility model is not subject to the restriction of following public specific embodiment.
The electromagnetic heating coil disc assembly that the utility model provides, as shown in Figures 1 to 4, comprise coil brace 2 and multiple coil, multiple described coils are installed on described coil brace 2, and between multiple described coil, be all connected in parallel and form one can independent heating coil groups.
The electromagnetic heating coil disc assembly that the utility model provides, the coil of traditional single large cross-sectional area is divided into the coil of multiple little cross-sectional areas, and adopt multiple coils all mode in parallel form one can independent heating coil groups, to reduce the impact of skin effect on coil resistance, reduce the resistance of coil, the energy consumption of coil is further reduced, thereby realize the object that promotes electromagnetic oven efficiency.
In an embodiment of the present utility model, electromagnetic heating coil disc assembly can be to be also provided with multiple coil groups, multiple described coil groups can be connected in parallel, form the heating of multi-coil group, can switch to realize single or multiple coil groups heating by automatically controlled mode control coil group according to pan size or user's request.
In an embodiment of the present utility model, the equal winding of multiple described coils becomes the disk-like structure of annular, and the nested setting of multiple described coil ecto-entad concentric annular, thereby promotes the uniformity of coil heats.Certainly, coil can be also other shapes, and as the disk-like structure of rectangle, also arranged off-centre mutually, all can realize the application's object.
Preferably, between adjacent described coil, there is gap.
When the leading-out terminal of inner loop-line circle easily punctures outer shroud coil (or the end of incoming cables of outer shroud coil easily punctures inner loop-line circle during near inner loop-line circle) during near outer shroud coil, cause electromagnetic oven in use to leak electricity, seriously jeopardizing user's personal safety.
Wherein, the sensibility reciprocal of each coil in multiple described coils is not identical, and the sensibility reciprocal that is positioned at the coil of outer shroud in adjacent two coils is less than the sensibility reciprocal of the coil that is positioned at ring.
In the time of nested setting of multiple coil ecto-entad concentric annular, the coil sensibility reciprocal of being arranged to interior ring is large, and the sensibility reciprocal of the coil of outer shroud is little, and to change the distribution of electric current, the sensibility reciprocal of inner loop-line circle is large, and the electric current producing is little, and heating is few; The electric current that outer shroud coil produces is large, and heating is large, but the good heat dissipation of outer shroud coil (because the heat radiation air quantity of outer shroud coil contact is many), thereby has lowered the bulk temperature of coil; Temperature and resistance have relation, and the temperature more resistance of low coil is less, can further reduce the resistance of coil, to reach the object that reduces coil energy consumption and promote complete machine efficiency.
The implementation that the sensibility reciprocal of the coil of interior ring is greater than the sensibility reciprocal of the coil of outer shroud is:
In the time that the cross-sectional area of coil of interior ring is identical with the cross-sectional area of the coil of outer shroud, the number of turns of the described coil of interior ring is more than the number of turns of the described coil of outer shroud, that is: the cross-sectional area of the coil of interior ring and the coil of outer shroud coiling formation ring on coil brace is identical, realizes the number of turn of the unnecessary outer shroud coil of coil turn of interior ring by the enamelled wire winding the line on interior ring being narrower than to the enamelled wire winding the line on outer shroud; Or,
In the time that the number of turns of coil of interior ring is identical with the number of turns of the coil of outer shroud, the area of the cross section of the described coil of interior ring is greater than the area of the cross section of the described coil of outer shroud, and the area of the cross section of its coil can calculate by the product of the cross-sectional area of single coiling and number of turns.
In an embodiment of the present utility model, described coil comprises the first coil 11 that is positioned at outer shroud and the second coil 12 that is positioned at ring, and described the first coil 11 is in parallel and is connected (as shown in figures 1 and 3) by splicing ear 3 with described the second coil 12, or by circuit board 4 connection (as shown in Figure 2 and Figure 4) that is in parallel, be connected in parallel and can promote speed and the reliability of connection by splicing ear 3 or circuit board 4.
Certainly, can be also the area that area that the number of turns of being arranged to inner loop-line circle is greater than the number of turns of outer shroud coil and the cross section of inner loop-line circle is greater than the cross section of outer shroud coil.
Wherein, as depicted in figs. 1 and 2, when the direction of winding of the direction of winding of described the first coil 11 and described the second coil 12 is identical, the end of incoming cables of described the first coil 11 is connected with the end of incoming cables of described the second coil 12, and the leading-out terminal of described the first coil 11 is connected with the leading-out terminal of described the second coil 12; Or,
As shown in Figure 3 and Figure 4, when the direction of winding of the direction of winding of described the first coil 11 and described the second coil 12 is contrary, the end of incoming cables of described the first coil 11 is connected with the leading-out terminal of described the second coil 12, and the leading-out terminal of described the first coil 11 is connected with the end of incoming cables of described the second coil 12.
Above two kinds of parallel waies, can make the first coil identical with the direction of the electromagnetic induction of the second coil generation, the sensibility reciprocal producing is superposeed mutually, and then promote Electromagnetic Heating speed.
More preferably, as shown in Figure 1, in the time that the direction of winding of the first coil 11 and the second coil 12 is identical, the first coil 11 is connected by splicing ear 3 with the second coil 12, splicing ear 3 is two, the end of incoming cables of the end of incoming cables of the first coil 11 and the second coil 12 is welded on one of them splicing ear 3, and the leading-out terminal of the leading-out terminal of the first coil 11 and the second coil 12 is welded on another splicing ear 3.
Also can be: as shown in Figure 2, in the time that the direction of winding of the first coil 11 and the second coil 12 is contrary, the first coil 11 is connected by circuit board 4 with the second coil 12, the leading-out terminal of the end of incoming cables of the first coil 11 and the second coil 12 is welded on the same node of circuit board 4, the end of incoming cables of the leading-out terminal of the first coil 11 and the second coil 12 is welded on other same nodes of circuit board 4, wherein, between two nodes, there is pressure reduction.
The utility model also provides a kind of electromagnetic oven (not shown), comprises coil panel assembly and magnetic stripe assembly 5, and described magnetic stripe assembly 5 is arranged on described coil panel assembly; Wherein, described coil panel assembly is the electromagnetic heating coil disc assembly described in above-mentioned arbitrary embodiment.
The electromagnetic oven that the present embodiment provides, Electromagnetic Heating speed is fast, and efficiency is high, and in the situation that not increasing manufacturing cost, has promoted the efficiency of heating surface of electromagnetic oven.
In sum, the electromagnetic heating coil disc assembly that the utility model provides, the coil of traditional single large cross-sectional area is divided into the coil of multiple little cross-sectional areas, and adopt the equal mode in parallel of multiple coils to reduce the impact of skin effect on coil resistance, to reduce the resistance of coil, the energy consumption of coil is further reduced, thereby realize the object that promotes electromagnetic oven efficiency.
In the present invention, " multiple " refer to the quantity of two above (containing two); The only object for describing of term " first ", " second ", and can not be interpreted as indication or hint relative importance; Unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection " all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (13)
1. an electromagnetic heating coil disc assembly, is characterized in that,
Comprise coil brace and multiple coil, multiple described coils are installed on described coil brace, and between multiple described coil, be all connected in parallel and form one can independent heating coil groups.
2. electromagnetic heating coil disc assembly according to claim 1, is characterized in that,
Described coil groups is multiple.
3. electromagnetic heating coil disc assembly according to claim 1, is characterized in that,
Described coil is all coiled into annular structure, and the nested setting of multiple described coil ecto-entad concentric annular.
4. electromagnetic heating coil disc assembly according to claim 3, is characterized in that, between adjacent described coil, has gap.
5. electromagnetic heating coil disc assembly according to claim 4, is characterized in that,
The sensibility reciprocal of each coil in multiple described coils is not identical, and the sensibility reciprocal that is positioned at the coil of outer shroud in adjacent two coils is less than the sensibility reciprocal of the coil that is positioned at ring.
6. electromagnetic heating coil disc assembly according to claim 5, is characterized in that,
In the time that the cross-sectional area of described coil of interior ring is identical with the cross-sectional area of the described coil of outer shroud, the number of turns of the described coil of interior ring is more than the number of turns of the described coil of outer shroud.
7. electromagnetic heating coil disc assembly according to claim 5, is characterized in that,
In the time that the number of turns of described coil of interior ring is identical with the number of turns of the described coil of outer shroud, the area of the cross section of the described coil of interior ring is greater than the area of the cross section of the described coil of outer shroud.
8. according to the electromagnetic heating coil disc assembly described in any one in claim 3 to 7, it is characterized in that,
Multiple described coils are by the splicing ear connection that is in parallel, or by the circuit board connection that is in parallel.
9. electromagnetic heating coil disc assembly according to claim 8, is characterized in that,
Described coil comprises the first coil that is positioned at outer shroud and the second coil that is positioned at ring, when the direction of winding of the direction of winding of described the first coil and described the second coil is identical, the end of incoming cables of described the first coil is connected with the end of incoming cables of described the second coil, and the leading-out terminal of described the first coil is connected with the leading-out terminal of described the second coil.
10. electromagnetic heating coil disc assembly according to claim 9, is characterized in that,
Described the first coil is connected by splicing ear with described the second coil, described splicing ear is two, the end of incoming cables of the end of incoming cables of described the first coil and described the second coil is welded on one of them splicing ear, and the leading-out terminal of the leading-out terminal of described the first coil and described the second coil is welded on another splicing ear.
11. electromagnetic heating coil disc assemblies according to claim 8, is characterized in that,
Described coil comprises the first coil that is positioned at outer shroud and the second coil that is positioned at ring, when the direction of winding of the direction of winding of described the first coil and described the second coil is contrary, the end of incoming cables of described the first coil is connected with the leading-out terminal of described the second coil, and the leading-out terminal of described the first coil is connected with the end of incoming cables of described the second coil.
12. electromagnetic heating coil disc assemblies according to claim 11, is characterized in that,
Described the first coil is connected by circuit board with described the second coil, the leading-out terminal of the end of incoming cables of described the first coil and described the second coil is welded on the same node of described circuit board, and the end of incoming cables of the leading-out terminal of described the first coil and described the second coil is welded on other same nodes of described circuit board.
13. 1 kinds of electromagnetic ovens, comprise coil panel assembly and magnetic stripe assembly, and described magnetic stripe assembly is arranged on described coil panel assembly; It is characterized in that, described coil panel assembly is the electromagnetic heating coil disc assembly as described in any one in claim 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788686.6U CN203661332U (en) | 2013-12-03 | 2013-12-03 | Electromagnetic heating coil disc assembly and induction cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788686.6U CN203661332U (en) | 2013-12-03 | 2013-12-03 | Electromagnetic heating coil disc assembly and induction cooker |
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| Publication Number | Publication Date |
|---|---|
| CN203661332U true CN203661332U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320788686.6U Expired - Lifetime CN203661332U (en) | 2013-12-03 | 2013-12-03 | Electromagnetic heating coil disc assembly and induction cooker |
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| Country | Link |
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| CN (1) | CN203661332U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072730A (en) * | 2015-08-07 | 2015-11-18 | 阮保清 | Induction cooker heating wire disc having multiple groups of power |
| CN105792402A (en) * | 2014-12-23 | 2016-07-20 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic coil disc and electric cooking appliance equipped with same |
| CN108112109A (en) * | 2017-12-26 | 2018-06-01 | 深圳国创名厨商用设备制造有限公司 | A kind of individual layer can change the electromagnetic wire coil of heating surface (area) (HS |
| CN108112109B (en) * | 2017-12-26 | 2024-04-26 | 深圳国创名厨商用设备制造有限公司 | Single-layer electromagnetic wire coil capable of changing heating area |
-
2013
- 2013-12-03 CN CN201320788686.6U patent/CN203661332U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792402A (en) * | 2014-12-23 | 2016-07-20 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic coil disc and electric cooking appliance equipped with same |
| CN105072730A (en) * | 2015-08-07 | 2015-11-18 | 阮保清 | Induction cooker heating wire disc having multiple groups of power |
| CN108112109A (en) * | 2017-12-26 | 2018-06-01 | 深圳国创名厨商用设备制造有限公司 | A kind of individual layer can change the electromagnetic wire coil of heating surface (area) (HS |
| CN108112109B (en) * | 2017-12-26 | 2024-04-26 | 深圳国创名厨商用设备制造有限公司 | Single-layer electromagnetic wire coil capable of changing heating area |
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Granted publication date: 20140618 |