CN203618159U - Electromagnetic heating electric food warmer - Google Patents
Electromagnetic heating electric food warmer Download PDFInfo
- Publication number
- CN203618159U CN203618159U CN201320744978.XU CN201320744978U CN203618159U CN 203618159 U CN203618159 U CN 203618159U CN 201320744978 U CN201320744978 U CN 201320744978U CN 203618159 U CN203618159 U CN 203618159U
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- Prior art keywords
- coil
- electromagnetic
- food warmer
- heating electric
- electric food
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 39
- 235000013305 food Nutrition 0.000 title claims abstract description 21
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims description 9
- 238000010411 cooking Methods 0.000 abstract description 3
- 230000002269 spontaneous effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- General Induction Heating (AREA)
- Cookers (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The utility model discloses an electromagnetic heating electric food warmer, belongs to the field of kitchen cooking appliances, and solves the technical problems of large self-generated heat and high temperature rise of an existing electromagnetic heating electric food warmer. The electromagnetic heating electric food warmer in the utility model comprises a pot body, a pot container and an electromagnetic coil placed under the pot container, the electromagnetic coil comprises a pot-shaped coil support and an electromagnetic induction coil wound on the coil support, the electromagnetic induction coil includes bottom coils and side coils, a side part of the coil support is provided with separator plates distributed radially, side coil grooves are formed between adjacent separator plates, the side coils are wound in the side coil grooves, the side coils include first coil parts and second coil parts, the number of layers of coils of the first coil parts is smaller than that of layers of coils of the second coil parts. An embodiment of the utility model is applied to an electromagnetic heating electric food warmer, such as an IH pressure cooker, an IH electric cooker and so on.
Description
[technical field]
The utility model relates to a kind of Electromagnetic Heating electric food warmer, belongs to culinary cuisine utensil field.
[background technology]
Cooking apparatus in the market gradually by conventional heating to Electromagnetic Heating transition, because Electromagnetic Heating has the features such as good energy-conservation and firepower is large to be more and more subject to consumer's favor.And the pressure cooker of Electromagnetic Heating becomes because its firepower is large, energy consumption is low, add the features such as thermal balance the new direction that the increasing research and development of numerous manufacturers drop into.The rice cooker such as electric cooker, electric pressure pot of existing employing electromagnetic induction heating, generally at bottom and the equal coiling heater coil of sidepiece, and in heater coil, input high-frequency current, make to produce alternating magnetic field around, adopt iron, nickel energy permeability magnetic material to make because interior pot is general, above-mentioned alternating magnetic field can enable itself and produce eddy current, thus interior pot heating itself, play the effect of heating.
Realize and use in the process of above-mentioned electromagnetic induction heating rice cooker, at least also there are the following problems: the coil of bottom and sidepiece is generally individual layer coiling, especially side coil, the low heat efficiency that causes of side coil inductance value of individual layer coiling is low, the spontaneous heat of drum roughly makes temperature rise too high and affect overall performance, has burning machine hidden danger.
[utility model content]
The utility model provides a kind of Electromagnetic Heating electric food warmer for overcoming the drawback of prior art, increases electromagnetic wire coil inductance value, thereby reduces the spontaneous heat of coil, reduces coil temperature rise.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of Electromagnetic Heating electric food warmer, comprise a pot body, pot courage and the electromagnetic wire coil that is placed in described pot courage below, described electromagnetic wire coil comprises and is the wire coil bracket of pot shape and installs around the electromagnetic induction coil on wire coil bracket, described electromagnetic induction coil comprises bottom coil and side coil, described wire coil bracket sidepiece is provided with the dividing plate distributing radially, between adjacent separator, form side coil groove, described side coil is around the home in described side coil groove, described side coil comprises the first coil portion and the second coil portion, the coil number of plies of described the first coil portion is fewer than the coil number of plies of described the second coil portion.
Further, described the second coil portion is positioned at the upper lateral part of wire coil bracket, and described the first coil portion is positioned at the side lower part of wire coil bracket.
Further, between the sidewall of described pot courage and diapire, be provided with arc transition portion, the corresponding described arc transition of described the first coil portion portion.
Further, described dividing plate is radially extended to form by wire coil bracket side; Or described dividing plate is extended to form straight down by wire coil bracket side.
Further, described wire coil bracket bottom is provided with bottom line ring recess, and described bottom coil installs around in described bottom line ring recess.
Further, described bottom coil is that multilayer is arranged.
Further, the coil of described the first coil portion is individual layer arranges, and the coil of described the second coil portion is multilayer and arranges.
The beneficial effects of the utility model:
The part side coil of the utility model Electromagnetic Heating electric food warmer adopts multilayer to arrange, in the situation that coiling area is limited, increase coil quantity, thereby meet the performance requirement of the aspects such as inductance value, reduce the spontaneous heat that coil produces because of large electric current, contribute to reduce the temperature rise of coil, avoid the danger such as short circuit, burning machine because of the too high generation of temperature rise, make the security performance of complete machine higher; And side coil some adopt the coil configuration of the less number of plies, can take into account like this cost, heating properties and security requirement.
These features of the present utility model and advantage will be below embodiment, accompanying drawing in detailed exposure.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the cross-sectional view of electromagnetic wire coil in the utility model preferred embodiment;
Fig. 2 be in the utility model preferred embodiment electromagnetic wire coil and pot courage coordinate schematic diagram.
[embodiment]
Accompanying drawing below in conjunction with the utility model embodiment is explained and illustrated the technical scheme of the utility model embodiment, but following embodiment is only preferred embodiment of the present utility model, not all.Based on the embodiment in execution mode, those skilled in the art are other embodiment that obtains under the prerequisite of not making creative work, all belong to protection range of the present utility model.
With reference to Fig. 1, 2, Electromagnetic Heating electric food warmer, comprise a pot body, pot courage 4 and the electromagnetic wire coil that is placed in pot courage 4 belows, electromagnetic wire coil comprises and is the wire coil bracket 1 of pot shape and installs around the electromagnetic induction coil on wire coil bracket 1, electromagnetic induction coil comprises bottom coil 2 and side coil 3, wire coil bracket 1 sidepiece is provided with the dividing plate 10 distributing radially, between adjacent separator 10, form side coil groove, side coil 3 is around the home in side coil groove, side coil 3 comprises the first coil portion 31 and the second coil portion 32, the coil number of plies of described the first coil portion 31 is fewer than the coil number of plies of described the second coil portion 32.In the present embodiment, the coil of described the first coil portion 31 is individual layer arranges, and the coil of the second coil portion 32 is bilayer and arranges.Certainly, in other embodiment of the present utility model, the coil of described the first coil portion can be bilayer arranges, and the coil of the second coil portion is three layers and arranges.
A part for side coil 3 adopts double-deck arrangement, can improve original cooking method, and the heating region scope of Electromagnetic Heating electric food warmer is strengthened, and the efficiency of heating surface improves.In the present embodiment, improving on the basis of the efficiency of heating surface, the second coil portion 32 that bilayer is arranged is compared the first coil portion 31 that individual layer is arranged, its spontaneous heat obviously reduces, because electromagnetic induction heating generally adopts high-frequency current to produce magnetic field, according to skin effect principle, high-frequency current generally concentrates on conductive surface, cause the resistance of conductor to uprise, thereby caloric value increases, but in the situation that coiling area is limited, increase coil quantity, the surface area of its corresponding enamelled wire and also can increasing, thereby can reduce the resistance of whole coil, reduce caloric value, reduce coil temperature rise.The present embodiment is in the time of practical application, and the second coil portion can adopt thinner enamelled wire, and the enamelled wire radical of every circle coil is increased, and plays the double effects that improves efficiency and reduce caloric value.
Side coil 3 only has the second coil portion 32 to adopt bilayer to arrange, the first coil portion 31 is still continued to use individual layer arrangement, because current electromagnetic induction coil generally adopts enamel covered wire to make, copper material price is higher, only use coil sections instead bilayer and arrange, can take into account the requirement of cost, heating properties and fail safe simultaneously.Owing to adopting the coil configuration structure of the present embodiment, can reduce the spontaneous heat of coil, reduce coil temperature rise, so can use a part of coil instead enamelled wire aluminum steel or enameled copper clad aluminum line is made, to reduce costs.
The present embodiment adopts to be dredged around mode coiling, and wire coil bracket 1 sidepiece is provided with the dividing plate 10 distributing radially, forms side coil groove between adjacent separator 10, and side coil 3 is around the home in side coil groove.Although insulate in current enamelled wire outside, but because insulation paint film inevitably can exist pore, and coil winding is close between each adjacent turns when discoid, in use procedure, be prone to the situation of short circuit sparking, affect useful life, serious also can cause burning machine even initiation fire.Adopt interval dredge around winding structure, can avoid the generation of the dangerous situation such as short circuit, burning machine that coil produces because top layer insulating barrier is damaged.Wherein, can be radially to be extended to form by wire coil bracket 1 side for the dividing plate 10 of wire coil bracket 1 sidepiece, can be also to be extended to form straight down by wire coil bracket 1 side.
With reference to Fig. 2, common, between pot courage 4 sidewalls of electric cooker and diapire, be provided with arc transition portion 41, for the current IH electric cooker that can realize three-dimensional heating, mainly to utilize pot courage sidewall and diapire to carry out stereo-circulation heating, so, the heat of arc transition portion 41 requires the heat of relative pot courage 4 sidewalls and diapire to require low, in the present embodiment, the second coil portion 32 is positioned at the upper lateral part of wire coil bracket 1, the first coil portion 31 is positioned at the side lower part of wire coil bracket 1, the corresponding circular arc transition part 41 of the first coil portion 31 that individual layer is arranged heats it, the second coil portion 32 that bilayer is arranged increases inductance value, promote the efficiency of heating surface of pot courage 4 sidewalls, can guarantee like this heating properties of complete machine, can effectively control again complete machine temperature rise.
For the wire coil bracket 1 of pot shape, wire coil bracket 1 sidepiece is upwards to be extended to form by wire coil bracket 1 bottom according to the curve form of pot courage 4 arc transition portions 41, above-mentioned the second coil portion 32 is positioned at the upper lateral part of wire coil bracket 1, refer to that the second coil portion 32 at least will be around the home in the outermost ring recess of side coil groove, groove 13 as shown in Figure 2; The first coil portion 31 is positioned at the side lower part of wire coil bracket 1, refer to the first coil portion 31 at least will be around the home at side coil groove in a ring recess of inner side, groove 12 as shown in Figure 2.As for the coiling ratio between the first coil portion 31 and the second coil portion 32, the utility model embodiment is not specifically limited, as long as according to above-mentioned arrangement, can realize the technique effect of the present embodiment in theory.
Those of ordinary skills should know, and the coil of the second coil portion 32 is not limited to bilayer, are multilayer and arrange and can be understood as: coil is at least that bilayer is arranged, such as three layers, four layers etc. for the coil of the second coil portion 32.And except side coil 3, the bottom coil 2 of the utility model Electromagnetic Heating electric food warmer can be also that multilayer is arranged, and also adopt and dredge around mode, in wire coil bracket 1 bottom, bottom line ring recess 11 is set, bottom coil 2 is installed around in bottom line ring recess 11.
The utility model embodiment is applied to Electromagnetic Heating electric food warmer, as IH pressure cooker, IH electric cooker etc.
By above-described embodiment, the purpose of this utility model is by fully effective having reached.The personage who is familiar with this skill should be understood that the utility model includes but not limited to accompanying drawing and the content of describing in embodiment above.Any modification that does not depart from function and structure principle of the present utility model all will be included in the scope of claims.
Claims (7)
1. an Electromagnetic Heating electric food warmer, comprise a pot body, pot courage and the electromagnetic wire coil that is placed in described pot courage below, described electromagnetic wire coil comprises and is the wire coil bracket of pot shape and installs around the electromagnetic induction coil on wire coil bracket, described electromagnetic induction coil comprises bottom coil and side coil, it is characterized in that: described wire coil bracket sidepiece is provided with the dividing plate distributing radially, between adjacent separator, form side coil groove, described side coil is around the home in described side coil groove, described side coil comprises the first coil portion and the second coil portion, the coil number of plies of described the first coil portion is fewer than the coil number of plies of described the second coil portion.
2. a kind of Electromagnetic Heating electric food warmer as claimed in claim 1, is characterized in that: described the second coil portion is positioned at the upper lateral part of wire coil bracket, and described the first coil portion is positioned at the side lower part of wire coil bracket.
3. a kind of Electromagnetic Heating electric food warmer as claimed in claim 1 or 2, is characterized in that: between the sidewall of described pot courage and diapire, be provided with arc transition portion, the corresponding described arc transition of described the first coil portion portion.
4. a kind of Electromagnetic Heating electric food warmer as claimed in claim 1 or 2, is characterized in that: described dividing plate is radially extended to form by wire coil bracket side; Or described dividing plate is extended to form straight down by wire coil bracket side.
5. a kind of Electromagnetic Heating electric food warmer as claimed in claim 1 or 2, is characterized in that: described wire coil bracket bottom is provided with bottom line ring recess, and described bottom coil installs around in described bottom line ring recess.
6. a kind of Electromagnetic Heating electric food warmer as claimed in claim 5, is characterized in that: described bottom coil is that multilayer is arranged.
7. a kind of Electromagnetic Heating electric food warmer as claimed in claim 1 or 2, is characterized in that: the coil of described the first coil portion is individual layer arranges, and the coil of described the second coil portion is multilayer and arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744978.XU CN203618159U (en) | 2013-11-21 | 2013-11-21 | Electromagnetic heating electric food warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744978.XU CN203618159U (en) | 2013-11-21 | 2013-11-21 | Electromagnetic heating electric food warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203618159U true CN203618159U (en) | 2014-05-28 |
Family
ID=50770774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744978.XU Expired - Lifetime CN203618159U (en) | 2013-11-21 | 2013-11-21 | Electromagnetic heating electric food warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203618159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521690A (en) * | 2018-04-24 | 2018-09-11 | 云南佛鼎节能环保科技有限公司 | A kind of tea frying device of electromagnetic heating wire coil and electromagnetic heating |
-
2013
- 2013-11-21 CN CN201320744978.XU patent/CN203618159U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521690A (en) * | 2018-04-24 | 2018-09-11 | 云南佛鼎节能环保科技有限公司 | A kind of tea frying device of electromagnetic heating wire coil and electromagnetic heating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Huaiyin District of Ji'nan City, Shandong Province, 250117 US 999 miles Patentee after: JOYOUNG Co.,Ltd. Address before: Xinsha Road, Huaiyin District of Ji'nan city of Shandong Province, No. 12 250118 Patentee before: JOYOUNG Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |