CN204906754U - Coil panel and rice cooker - Google Patents
Coil panel and rice cooker Download PDFInfo
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- CN204906754U CN204906754U CN201520555392.8U CN201520555392U CN204906754U CN 204906754 U CN204906754 U CN 204906754U CN 201520555392 U CN201520555392 U CN 201520555392U CN 204906754 U CN204906754 U CN 204906754U
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Abstract
The utility model provides a coil panel and a rice cooker, the coil panel includes: drum, operating coil and induction coil, the drum is a flaring round calathiform shape up, the operating coil is the form that spirals and sets up on the drum, induction coil is confined toroidal coil, induction coil sets up the last border of drum for the production can balance out the radiating type magnetic field that the operating coil produced. Rice cooker includes that metal casing is more than with the coil panel, the coil panel sets up in the metal casing. The utility model discloses an induction coil of setting on the drum is even with the distance of operating coil, can offset the radiating type magnetic field that the operating coil produced uniformly, when reducing the radiating type electromagnetic induction of magnetic field to metal casing, still can not influence the effect of cooking.
Description
Technical field
The utility model relates to household appliance technical field, more specifically, relates to a kind of coil panel and a kind of rice cooker.
Background technology
Usually use metal shell to improve product specification in existing electromagnetic heating electric rice cooker, but Electromagnetic Heating has impact to metal shell, make to produce induced current in metal shell, especially in riveted joint place of metal shell, cause due to current convergence metal shell high temperature herein to raise, be unfavorable for the use of product.The scheme of current head it off is all generally shield magnetic field at the coil panel periphery of electric cooker increase metallic plate or plain conductor, offsets the section dissipates formula magnetic field occurring with metal shell to respond to.
Because the shape of metallic plate, plain conductor is generally polymorphic structure, its assembling, fixed form more not Striking symmetry, usually cause metallic plate, that plain conductor there will be some position is closer from coil panel, some position is distant from coil panel; Because metallic plate, plain conductor are uneven from the distance of coil panel, simultaneously also uneven apart from the distance of interior pot, cause metallic plate, plain conductor also not identical in the power in counteracting divergence expression magnetic field, different positions, finally make pot in magnetic field induction also can have not identical induction thermal source because of zones of different, cause heating effect inconsistent, the effect thus impact is cooked.
Therefore, propose a kind ofly can offset divergence expression magnetic field equably and the scheme not affecting the coil panel of effect of cooking just seems very necessary.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.
For this reason, an object of the present utility model is, provides a kind of coil panel.
Another object of the present utility model is, provides a kind of rice cooker, comprises above-mentioned coil panel.
For achieving the above object, provide a kind of coil panel, for rice cooker, comprising: drum according to the utility model first aspect embodiment, described drum is enlarging round bowl-like shape upward; Actuating coil, described actuating coil is arranged on described drum; Induction coil, described induction coil is closed loop coil, and described induction coil is arranged on the upper edge of described drum, for generation of the induced field that can balance out the divergence expression magnetic field that described actuating coil produces.
According to the coil panel of embodiment of the present utility model, drum arranges actuating coil and induction coil simultaneously, induction coil is arranged on the position of the upper edge near actuating coil, when producing divergence expression magnetic field after actuating coil energising, the magnetic induction line in divergence expression magnetic field is after the induction coil of outermost, induced current is produced in induction coil, there is faradic induction coil and produce the induced field contrary with divergence expression magnetic direction again thereupon, the divergence expression magnetic field that actuating coil produces can be balanced out, divergence expression magnetic field can not be had a negative impact to the metallic element at other positions of the rice cooker with this coil panel, guarantee that the effect of cooking of product can not be affected simultaneously.
In addition, the coil panel provided according to the utility model above-described embodiment also has following additional technical feature:
According to an embodiment of the present utility model, the projection in the horizontal plane of described induction coil is positioned at the outside of described actuating coil projection in the horizontal plane, and described induction coil is concentric with described actuating coil in the vertical direction.
According to the coil panel of embodiment of the present utility model, induction coil projection is in the horizontal plane positioned at the outside of actuating coil projection in the horizontal plane, can guarantee that all magnetic induction lines in the divergence expression magnetic field that actuating coil produces all pass induction coil, improve induction coil to the negative function in divergence expression magnetic field.Induction coil is concentric with actuating coil in the vertical direction, can ensure that the effect that induction coil offsets divergence expression magnetic field at any position is identical, make pot in the magnetic induction of rice cooker weak identical consistent with heating effect at the induction heat source strength of zones of different, can not effect of cooking be affected, and then improve the performance of rice cooker.
According to an embodiment of the present utility model, described actuating coil is divided into the first coil and the second coil, and described first coil is fixed on the bottom of described drum, and described second coil is fixed on the sidewall of described drum.
According to the coil panel of embodiment of the present utility model, actuating coil is divided into the first coil be fixed on bottom drum and the second coil be fixed on the sidewall of drum, first coil can carry out electromagnetic induction heating to the bottom of pot in rice cooker, second coil can carry out electromagnetic induction heating to the sidewall of rice cooker, make the internal pot homogeneous heating of rice cooker, improve cooking quality, improve the efficiency of heating surface of rice cooker simultaneously.
According to an embodiment of the present utility model, described first coil is identical with the coil direction of described second coil.
According to an embodiment of the present utility model, described first coil is electrically connected with described second coil.
According to the coil panel of embodiment of the present utility model, first coil is identical with the coil direction of the second coil, make can directly be electrically connected between the first coil and the second coil, use as same coil power supply, simplify the structure of coil panel, the first coil that winding direction is identical with energising direction is consistent with the magnetic direction that the second coil produces, and can not interfere with each other.
According to an embodiment of the present utility model, the projection in the horizontal plane of described first coil is positioned at the inner side of described second coil projection in the horizontal plane.
According to the coil panel of embodiment of the present utility model, the projection in the horizontal plane of first coil is positioned at the inner side of the second coil projection in the horizontal plane, the divergence expression magnetic field of the first coil is made to be not easy to leak, simultaneously, first coil and the projection in the horizontal plane of the second coil do not have intersection, the distribution in the magnetic field making it produce can not concentrations, and the interior pot of rice cooker can be avoided to affect cooking quality because electromagnetic induction heating is uneven.
According to an embodiment of the present utility model, the outer surface of described drum is provided with helicla flute, described first coil and described second coil of described actuating coil are fixed in described helicla flute.
According to the coil panel of embodiment of the present utility model, the outer surface of drum is provided with helicla flute, first coil and the second coil are fixed in helicla flute, contribute to fixing to the first coil and the second coil of assembly crewman, can ensure that the position of the first coil and the second coil remains unchanged always, can not be shifted because of vibration, effectively can ensure heating properties and the culinary art effect of rice cooker.
According to an embodiment of the present utility model, described helicla flute be the bottom being distributed in described drum with the outer surface of sidewall, the coil direction of described actuating coil is identical with described spiral fluted coil direction.
According to the coil panel of embodiment of the present utility model, helicla flute be distributed in the bottom of drum in the shape of a spiral and sidewall up, make assembly crewman while loading in helicla flute by circuit, just complete the coiling work to actuating coil, decrease winding process, and then improve the productivity ratio of rice cooker.
According to an embodiment of the present utility model, the outer surface of described drum is also provided with cannelure, described cannelure is arranged on the position of the upper edge near described drum, and described induction coil is fixed in described cannelure.
According to the coil panel of embodiment of the present utility model, the outer surface of drum is also provided with cannelure, cannelure is arranged near the upper edge of drum, and induction coil is fixed in cannelure.Accurate location on drum between induction coil and actuating coil can be ensured by the accurate location between the cannelure on drum and helicla flute, avoids the impact of the rigging error of staff, improves the quality and performance of product.
According to a kind of rice cooker of the embodiment of second aspect of the present utility model, comprise metal shell, and the coil panel described in above any one embodiment, described coil panel is arranged on the inside of described metal shell.
According to the rice cooker that the utility model second aspect embodiment provides, have the coil panel that the utility model first aspect any embodiment provides, therefore this rice cooker has whole beneficial effects of the coil panel that above-mentioned any embodiment provides.
Provide in description part below according to additional aspect of the present utility model and advantage, part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the coil panel according to a kind of embodiment of first aspect of the present utility model;
Fig. 2 is the distributing position schematic diagram of all coils in Fig. 1;
Fig. 3 is the part-structure schematic diagram of the rice cooker according to a kind of embodiment of second aspect of the present utility model.
Wherein, the Reference numeral in Fig. 1 to Fig. 3 and the corresponding relation between component names are:
1 drum, 101 helicla flutes, 2 actuating coils, 201 first coils, 202 second coils, 3 induction coils, 4 metal shells.
Embodiment
In order to more clearly 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, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail 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 to implement, and therefore, protection range of the present utility model is not by the restriction of following public specific embodiment.
As shown in Figure 1, provide a kind of coil panel, for rice cooker, comprising: drum 1 according to the utility model first aspect embodiment, described drum 1 is enlarging round bowl-like shape upward; Actuating coil 2, described actuating coil 2 is arranged on described drum 1; Induction coil 3, described induction coil 3 is the loop coil closed, and described induction coil 3 is arranged on the upper edge of described drum 1, for generation of the induced field that can balance out the divergence expression magnetic field that described actuating coil 2 produces.
According to the coil panel of embodiment of the present utility model, drum 1 is arranged simultaneously actuating coil 2 and induction coil 3, induction coil 3 is arranged on the position of the upper edge near actuating coil 2, when producing divergence expression magnetic field after actuating coil 2 is energized, the magnetic induction line in divergence expression magnetic field is after the induction coil 3 of outermost, induced current is produced in induction coil 3, there is faradic induction coil 3 and produce the induced field contrary with divergence expression magnetic direction again thereupon, the divergence expression magnetic field that actuating coil 2 produces can be balanced out, divergence expression magnetic field can not be had a negative impact to the metallic element at other positions of the rice cooker with this coil panel 1, guarantee that the effect of cooking of product can not be affected simultaneously.
In addition, the coil panel provided according to the utility model above-described embodiment also has following additional technical feature:
According to an embodiment of the present utility model, the projection in the horizontal plane of described induction coil 3 is positioned at the outside of described actuating coil 2 projection in the horizontal plane, and described induction coil 3 is concentric with described actuating coil 2 in the vertical direction.
According to the coil panel of embodiment of the present utility model, induction coil 3 projection is in the horizontal plane positioned at the outside of actuating coil 2 projection in the horizontal plane, can guarantee that all magnetic induction lines in the divergence expression magnetic field that actuating coil 2 produces all pass induction coil 3, improve the negative function in induction coil 3 pairs of divergence expression magnetic fields.Induction coil 3 is concentric with actuating coil 2 in the vertical direction, can ensure that the effect that induction coil 3 offsets divergence expression magnetic field at any position is identical, make pot in the magnetic induction of rice cooker weak identical consistent with heating effect at the induction heat source strength of zones of different, can not effect of cooking be affected, and then improve the performance of rice cooker.
As shown in Figure 1, according to an embodiment of the present utility model, described actuating coil 2 is divided into the first coil 201 and the second coil 202, and described first coil 201 is fixed on the bottom of described drum 1, and described second coil 202 is fixed on the sidewall of described drum 1.
According to the coil panel of embodiment of the present utility model, actuating coil 2 is divided into the first coil 201 be fixed on bottom drum 1 and the second coil 202 be fixed on the sidewall of drum 1, first coil 201 can carry out electromagnetic induction heating to the bottom of pot in rice cooker, second coil 202 can carry out electromagnetic induction heating to the sidewall of rice cooker, make the internal pot homogeneous heating of rice cooker, improve cooking quality, improve the efficiency of heating surface of rice cooker simultaneously.
According to an embodiment of the present utility model, described first coil 201 is identical with the coil direction of described second coil 202.
According to an embodiment of the present utility model, described first coil 201 is electrically connected with described second coil 202.
According to the coil panel of embodiment of the present utility model, first coil 201 is identical with the coil direction of the second coil 202, make can directly be electrically connected between the first coil 201 and the second coil 202, use as same coil power supply, simplify the structure of coil panel, the first coil 201 that winding direction is identical with energising direction is consistent with the magnetic direction that the second coil 202 produces, and can not interfere with each other.
As shown in Figure 2, according to an embodiment of the present utility model, described first coil 201 projection is in the horizontal plane positioned at the inner side of described second coil 202 projection in the horizontal plane.
According to the coil panel of embodiment of the present utility model, the projection of the first coil on 201 horizontal planes is positioned at the inner side of the second coil 202 projection in the horizontal plane, the divergence expression magnetic field of the first coil 201 is made to be not easy to leak, simultaneously, first coil 201 and the second coil 202 projection in the horizontal plane do not have intersection, the distribution in the magnetic field making it produce can not concentrations, and the interior pot of rice cooker can be avoided to affect cooking quality because electromagnetic induction heating is uneven.
As shown in Figure 1, according to an embodiment of the present utility model, the outer surface of described drum 1 is provided with helicla flute 101, described first coil 201 and described second coil 202 of described actuating coil 2 are fixed in described helicla flute 101.
According to the coil panel of embodiment of the present utility model, the outer surface of drum 1 is provided with helicla flute 101, first coil 201 and the second coil 202 are fixed in helicla flute 101, contribute to fixing to the first coil 201 and the second coil 202 of assembly crewman, can ensure that the position of the first coil 201 and the second coil 202 remains unchanged always, can not be shifted because of vibration, effectively can ensure heating properties and the culinary art effect of rice cooker.
According to an embodiment of the present utility model, described helicla flute 101 for be distributed in the bottom of described drum 1 with the outer surface of sidewall, the coil direction of described actuating coil 2 is identical with the coil direction of described helicla flute 101.
According to the coil panel of embodiment of the present utility model, helicla flute 101 be distributed in the bottom of drum 1 in the shape of a spiral and sidewall up, make assembly crewman while being loaded by circuit in helicla flute 101, just complete the coiling work to actuating coil 2, decrease winding process, and then improve the productivity ratio of rice cooker.
As shown in Figure 1, according to an embodiment of the present utility model, the outer surface of described drum 1 is also provided with cannelure, described cannelure is arranged on the position of the upper edge near described drum 1, and described induction coil 3 is fixed in described cannelure.
According to the coil panel of embodiment of the present utility model, the outer surface of drum 1 is also provided with cannelure, cannelure is arranged near the upper edge of drum 1, and induction coil 3 is fixed in cannelure.Accurate location on drum 1 between induction coil 3 and actuating coil 2 can be ensured by the cannelure on drum 1 and the accurate location between helicla flute 101, avoids the impact of the rigging error of staff, improves the quality and performance of product.
As shown in Figure 3, according to a kind of rice cooker of the embodiment of second aspect of the present utility model, comprise metal shell 4, and the coil panel described in above any one embodiment, described coil panel is arranged on the inside of described metal shell 4.
According to the rice cooker that the utility model second aspect embodiment provides, have the coil panel that the utility model first aspect any embodiment provides, therefore this rice cooker has whole beneficial effects of the coil panel that above-mentioned any embodiment provides.
In the description of this specification, term " connection ", " installation ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
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 amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a coil panel, for rice cooker, is characterized in that, comprising:
Drum, described drum is enlarging round bowl-like shape upward;
Actuating coil, described actuating coil is arranged on described drum;
Induction coil, described induction coil is closed loop coil, and described induction coil is arranged on the upper edge of described drum, for generation of the induced field that can balance out the divergence expression magnetic field that described actuating coil produces.
2. coil panel according to claim 1, is characterized in that, the projection in the horizontal plane of described induction coil is positioned at the outside of described actuating coil projection in the horizontal plane, and described induction coil is concentric with described actuating coil in the vertical direction.
3. coil panel according to claim 2, is characterized in that, described actuating coil is divided into the first coil and the second coil, and described first coil is fixed on the bottom of described drum, and described second coil is fixed on the sidewall of described drum.
4. coil panel according to claim 3, is characterized in that, described first coil is identical with the coil direction of described second coil.
5. coil panel according to claim 3, is characterized in that, described first coil is electrically connected with described second coil.
6. coil panel according to claim 5, is characterized in that, the projection in the horizontal plane of described first coil is positioned at the inner side of described second coil projection in the horizontal plane.
7. the coil panel according to any one of claim 3 to 6, is characterized in that, the outer surface of described drum is provided with helicla flute, and described first coil and described second coil of described actuating coil are fixed in described helicla flute.
8. coil panel according to claim 7, is characterized in that, described helicla flute be the bottom being distributed in described drum with the outer surface of sidewall, the coil direction of described actuating coil is identical with described spiral fluted coil direction.
9. coil panel according to claim 7, is characterized in that, the outer surface of described drum is also provided with cannelure, and described cannelure is arranged on the position of the upper edge near described drum, and described induction coil is fixed in described cannelure.
10. a rice cooker, is characterized in that, comprises metal shell, and the coil panel according to any one of claim 1 to 9, and described coil panel is arranged on the inside of described metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555392.8U CN204906754U (en) | 2015-07-27 | 2015-07-27 | Coil panel and rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555392.8U CN204906754U (en) | 2015-07-27 | 2015-07-27 | Coil panel and rice cooker |
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| Publication Number | Publication Date |
|---|---|
| CN204906754U true CN204906754U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520555392.8U Active CN204906754U (en) | 2015-07-27 | 2015-07-27 | Coil panel and rice cooker |
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| CN (1) | CN204906754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029514A1 (en) * | 2018-08-09 | 2020-02-13 | 珠海格力电器股份有限公司 | Heating appliance |
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2015
- 2015-07-27 CN CN201520555392.8U patent/CN204906754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029514A1 (en) * | 2018-08-09 | 2020-02-13 | 珠海格力电器股份有限公司 | Heating appliance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |