CN203789737U - Electromagnetic heating device with double-ring power controlled independently and variable currents - Google Patents
Electromagnetic heating device with double-ring power controlled independently and variable currents Download PDFInfo
- Publication number
- CN203789737U CN203789737U CN201420105084.0U CN201420105084U CN203789737U CN 203789737 U CN203789737 U CN 203789737U CN 201420105084 U CN201420105084 U CN 201420105084U CN 203789737 U CN203789737 U CN 203789737U
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- coil
- heating device
- electromagnetic heating
- pan
- dicyclo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 21
- 235000008429 bread Nutrition 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 235000013305 food Nutrition 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000010411 cooking Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to an electromagnetic heating device with double-ring power controlled independently and variable currents. The electromagnetic heating device comprises a cooker (2) and a base (7), wherein a U-shaped coil plate support (3) is fixedly arranged between the bottom of the cooker (2) and the base (7), the U-shaped coil plate support (3) is matched with the bottom radian of the cooker (2), the bottom and the side edge of the U-shaped coil plate support (3) are provided with grooves (35), a side stereoscopic metal coil (33) is wound around the groove in the side edge, and a bottom plane metal coil (34) is wound around the groove in the bottom; the side stereoscopic metal coil (33) and the bottom plane metal coil (34) are independent from each other and constitute a double-ring coil; the double-ring coil is electrically connected with a controller (5) with an MCU; the controller (5) with the MCU controls the side stereoscopic metal coil (33) and the bottom plane metal coil (34) to independently work. The electromagnetic heating device is suitable for electric cookers, electric pressure cookers, electric saucepans, bread makers, cake makers or the like.
Description
Technical field
The utility model relates to a kind of electromagnetic heating device, as electric cooker, electric pressure pot, electric steamer, bread producing machine or cake-maker etc.
Background technology
Chinese patent CN102178444A discloses a kind of electric cooker with new function control structure on 09 14th, 2011, comprise cover assembly, interior pot, shell, outer pot, heat-generating disc, magnetic steel temperature limiter, magnet steel lever assembly, panel assembly and base, heat-generating disc is arranged on outer pot inside bottom, magnetic steel temperature limiter is arranged on heat-generating disc middle port place, magnet steel lever assembly is arranged on outer pot bottom, and panel assembly is arranged on shell; It is characterized in that, described magnet steel lever assembly comprises that one is the magnet steel lever that side is fallen " Y " shape, one is fixed on described outer pot bottom and supports the magnet steel lever dolly that described magnet steel lever rotates, one controls the microswitch of thermal circuit break-make, and the rotating shaft of a described magnet steel lever dolly of connection and described magnet steel lever; Described magnet steel lever be side fall " Y " shape divergent ends upper and lower end portion respectively to outer casing inner wall side extend, " Y " shape terminal part that side is fallen is connected with the pull bar of magnetic steel temperature limiter; Described electric cooker is also provided with the button that at least one can elastic reset, and button is provided with the contact that can contact with the upper and lower end of magnet steel lever divergent ends.
Chinese patent CN202739666U discloses a kind of electric cooker that can improve rice quality on 02 20th, 2013, comprise upper cover, interior cooking pan body, base and control circuit, described upper cover comprises cover and inner cap from top to bottom successively, it is characterized in that, inner cap or cover are provided with air admission hole and venthole, between described air admission hole and venthole, be connected with hot gas system assembly, described hot gas system assembly, between cover and inner cap, is provided with filter on described air admission hole.
As Chinese patent CN102178444A and the disclosed electric cooker of CN202739666U, at present on the market such as electric cooker, electric pressure cooking saucepan, the electromagnetic heating devices such as electric steamer, there are a coil or two coils, and two coils are to connect to work together, controller is worked with an IGBT power tube drive coil, when work, magnetic line of force Main Function is in the bottom of pot, the heating of pan bottom, in pot, water is by mind-set pot periphery convection current in pot, the outside convection current from bottom, pot bottom temperature is high, pot edge temperature is low, in the time that pot food is more, cause the bottom of a pan food well-done, and surface and periphery food or half-cooked, in order to boil food, have to lengthen the time of cooking, cause again power supply waste.
Utility model content
For the above-mentioned deficiency of prior art, according to embodiment of the present utility model, wish to propose a kind of the have independent dicyclo firepower of controlling and the electromagnetic heating device of variable convection current, be opposite to the independent parallel control of coil of pan diverse location by controller, can make each coil alternation, thereby reach the convection type that changes water in pan, pot interior food is heated evenly; Need to cook fast time, also can make each coil work simultaneously, add high-powerly, accelerate to cook; In the time that food is less, also can only make pot bottom coil working, save electric energy.
According to embodiment, the utility model provides a kind ofly has the independent dicyclo firepower of controlling and an electromagnetic heating device of variable current, comprise pan and base, U-shaped coil bracket is fixedly installed between pan bottom and base, its innovative point is, U-shaped coil bracket is configured to match with pan bottom radian, and its bottom and side offer groove, in side groove, around the stereo metal coil of leaning to one side, bottom groove is interior around base plane wire coil; Lean to one side stereo metal coil and base plane wire coil is independent of one another, forms dicyclo coil; Dicyclo coil is electrically connected with the controller with MCU respectively; Controller with MCU is controlled respectively base plane wire coil and the stereo metal coil of leaning to one side works alone.
According to an embodiment, in the aforementioned electromagnetic heating device with the independent dicyclo firepower of controlling and variable current of the utility model, controller with MCU alternately controls base plane wire coil by certain time interval and the stereo metal coil of leaning to one side carries out work, thereby realizes variable convection current work.
According to an embodiment, in the aforementioned electromagnetic heating device with the independent dicyclo firepower of controlling and variable current of the utility model, temperature sensor is located at the center of U-shaped coil bracket, base plane coil and temperature sensor centre distance >=20mm.
According to an embodiment, in the aforementioned electromagnetic heating device with the independent dicyclo firepower of controlling and variable current of the utility model, pan bottom and temperature sensor close contact, the gap between pan and U-shaped coil bracket is 2mm-10mm.
According to an embodiment, in the aforementioned electromagnetic heating device with the independent dicyclo firepower of controlling and variable current of the utility model, electromagnetic heating device is electric cooker, electric pressure pot, electric steamer, bread producing machine or cake-maker.
With respect to prior art, the electromagnetic heating device that the utility model provides has independent dicyclo firepower and the variable convection current of controlling, and has following features and technique effect:
(1) there are two independent metal induction coils, the leaning to one side and bottom of the coil bracket outside that they match with interior pot bottom radian around respectively.
(2) their two independently IGBT power tube drivings of controlled device respectively.Like this, pan is just subject to the firepower three-dimensional heating of dicyclo electromagnetic induction, and dicyclo firepower can heat simultaneously, also can some independent heating, pot bottom part heating in the time that coil bracket bottom coil is worked, pan central temperature is higher than leaning to one side, the therefrom outer convection current of mind-set of water in pot; In the time that coil bracket is leaned to one side periphery coil working, pan leans to one side to heat, and pan is leaned to one side temperature higher than center, and in pot, water is from periphery to center convection current; Alternately control two coils when controller by certain time interval and carry out work, water in pot just can be realized by pot periphery and replace convection current to mind-set periphery in center and pan, realize variable convection current, variable convection current can make the food in pot roll back and forth, food obtains thermally equivalent, shorten the time of boiling food, improve efficiency.
(3) pan can be put into coil bracket, and pot leaves 2mm-10mm space with support inner side.
Brief description of the drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure according to the utility model embodiment with the electric cooker of the independent dicyclo firepower of controlling and variable convection current Electromagnetic Heating.
Fig. 2 is the installation profile according to the utility model embodiment with the electric cooker of the independent dicyclo firepower of controlling and variable convection current Electromagnetic Heating.
Fig. 3 is according to the structural representation of the coil bracket of coiling in the electric cooker of the utility model embodiment.
Fig. 4 be according in the electric cooker of the utility model embodiment the part of the coil bracket of coiling install profile.
Fig. 5 be according in the electric cooker of the utility model embodiment the part of the coil bracket of coiling install profile.
Fig. 6 is according to the electric cooker middle controller of the utility model embodiment and two coil connection diagrams.
Fig. 7 is according to the circuit block diagram of the electric cooker middle controller of the utility model embodiment.
Fig. 8 be when leaning to one side three-dimensional coil working in the electric cooker of the utility model embodiment in pot water to flow graph.
Fig. 9 be according in the electric cooker of the utility model embodiment when base plane coil working in pot water to flow graph.
Wherein: 1-upper cover; 2-pan (interior pot); 3-coil bracket; 4-temperature sensor; The controller of 5-with MCU; 6-shell; 7-base; Gap between 8-pan and coil bracket; 31-support; 32-magnetic stripe; The 33-stereo metal coil of leaning to one side; L1,34-base plane wire coil; Groove outside L2,35-support; The distance B 2 of 36-base plane coil and center sensor.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, further set forth the present invention.These embodiment are interpreted as being only not used in and limiting the scope of the invention for the present invention is described.After having read the content of the present invention's record, those skilled in the art can make various changes or modifications the present invention, and these equivalences change and modification falls into the scope of the claims in the present invention equally.
In the utility model following examples, though electromagnetic heating device taking electric cooker as example, those skilled in the art can, according to following examples, be applied to technical solutions of the utility model the electromagnetic heating devices such as electric pressure pot, electric steamer, bread producing machine, cake-maker.
As shown in Figure 1, the utility model one preferred embodiment provides a kind ofly has the independent dicyclo firepower of controlling and an electric cooker of variable convection current Electromagnetic Heating, the upper cover 1 that comprises the base 7 of pan 2, placing cooker 2, the shell 6 that surrounds pan 2, sealing pan 2, coil bracket 3 is fixedly installed between interior pot 2 bottoms and base 7.
As shown in Fig. 3, Fig. 4 and Fig. 5, the U-shaped support of coiling is the PBT plastic stent 31 matching with pan 2 bottom radians, its exterior bottom and side have groove 35, lean to one side in groove around the stereo metal coil 33 of leaning to one side, bottom groove 35 is interior around base plane wire coil 34, two coils 33,34 are independent, form dicyclo coil, base plane coil 34 and temperature sensor 4 centre distance D2 >=20mm, D2 is too small, can the detection of interference temperature sensor 4 to temperature when base plane wire coil 34 is worked.
As shown in Figure 2, pan 2 is put into coil bracket 3, pan 2 bottoms and temperature sensor 4 close contacts, gap 8(between pan and U-shaped support is as D1 in Fig. 5) model figure should be 2mm-10mm, the too small pan heat in gap can make support 31 be out of shape, excesssive gap, can affect the heating effect of pan.
As shown in Figure 6, the controller 5 with MCU is electrically connected with lean to one side stereo metal coil 33 and base plane wire coil 34 respectively.As shown in Figure 7, the controller 5 with MCU has IGBT1 and IGBT2, and the independent base plane wire coil L1 that controls works alone with the stereo metal coil L2 that leans to one side respectively.
As shown in Figure 7, when IGBT1 work, when IGBT2 does not work, the resonance circuit of L1 and C1 composition generates an electromagnetic field, and the magnetic line of force acts on pan 2 bottoms, and pan 2 bottoms produce eddy heating for heating, pan 2 central temperatures are higher than the temperature of leaning to one side, and the water in pan is pressed mode shown in Fig. 8 by the outside convection current in center.
As shown in Figure 7, when IGBT2 work, when IGBT1 does not work, the resonance circuit of L2 and C2 composition generates an electromagnetic field, and the magnetic line of force acts on pan and leans to one side, and pan leans to one side to produce eddy heating for heating; Pan is leaned to one side temperature higher than center, the water in pan press mode shown in Fig. 9 by periphery to center convection current.
As shown in Figure 7, press certain hour interval (for example, more than 5s) when alternately controlling L1 and L2 and carrying out work when controller, the water in pan just can be realized by pan periphery and replace convection current to center with by mind-set periphery in pan, thereby realize variable convection current work, food in pan is heated evenly.
As shown in Figure 7, in the time that needs are cooked fast, the controller 5 with MCU can be controlled base plane wire coil L1 and the stereo metal coil L2 that leans to one side works simultaneously, adds high-powerly, accelerates to cook.
As shown in Figure 7, when the food of cooking when needs is less, the controller 5 with MCU also can be controlled and only make pot bottom planar metal coil L1 work, saves electric energy.
Claims (5)
1. one kind has the independent dicyclo firepower of controlling and the electromagnetic heating device of variable current, comprise pan (2) and base (7), U-shaped coil bracket (3) is fixedly installed between pan (2) bottom and base (7), it is characterized in that, U-shaped coil bracket (3) is configured to match with pan (2) bottom radian, its bottom and side offer groove (35), and in side groove, around the stereo metal coil (33) of leaning to one side, bottom groove is interior around base plane wire coil (34); Lean to one side stereo metal coil (33) and base plane wire coil (34) independently of one another, form dicyclo coil; Dicyclo coil is electrically connected with the controller (5) with MCU respectively; Controller (5) with MCU is controlled respectively base plane wire coil (34) and the stereo metal coil (33) of leaning to one side works alone.
2. according to claim 1 have the independent dicyclo firepower of controlling and an electromagnetic heating device of variable current, it is characterized in that, the controller (5) with MCU alternately controls base plane wire coil (34) by certain time interval and the stereo metal coil (33) of leaning to one side carries out work.
3. according to claim 1 have the independent dicyclo firepower of controlling and an electromagnetic heating device of variable current, it is characterized in that, temperature sensor (4) is located at the center of U-shaped coil bracket (3), base plane coil (34) and temperature sensor (4) centre distance >=20mm.
4. according to claim 3 have the independent dicyclo firepower of controlling and an electromagnetic heating device of variable current, it is characterized in that, pan (2) bottom and temperature sensor (4) close contact, the gap between pan (2) and U-shaped coil bracket (3) is 2mm-10mm.
5. according to having the independent dicyclo firepower of controlling and an electromagnetic heating device of variable current described in any one in claim 1-4, it is characterized in that, electromagnetic heating device is electric cooker, electric pressure pot, electric steamer, bread producing machine or cake-maker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105084.0U CN203789737U (en) | 2014-03-10 | 2014-03-10 | Electromagnetic heating device with double-ring power controlled independently and variable currents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105084.0U CN203789737U (en) | 2014-03-10 | 2014-03-10 | Electromagnetic heating device with double-ring power controlled independently and variable currents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203789737U true CN203789737U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420105084.0U Expired - Lifetime CN203789737U (en) | 2014-03-10 | 2014-03-10 | Electromagnetic heating device with double-ring power controlled independently and variable currents |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203789737U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016041352A1 (en) * | 2014-09-17 | 2016-03-24 | 佛山市顺德区美的电热电器制造有限公司 | Electric rice cooker and heating control method thereof |
| CN105982510A (en) * | 2015-02-06 | 2016-10-05 | 飞利浦（嘉兴）健康科技有限公司 | Electromagnetic heating kitchenware as well as controller and control method thereof |
| CN108065753A (en) * | 2016-11-14 | 2018-05-25 | 广东美的生活电器制造有限公司 | Food cooking machine and its heating control apparatus |
| CN109199088A (en) * | 2017-07-03 | 2019-01-15 | 青岛海高设计制造有限公司 | Electric cooker and its control method |
-
2014
- 2014-03-10 CN CN201420105084.0U patent/CN203789737U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016041352A1 (en) * | 2014-09-17 | 2016-03-24 | 佛山市顺德区美的电热电器制造有限公司 | Electric rice cooker and heating control method thereof |
| CN105982510A (en) * | 2015-02-06 | 2016-10-05 | 飞利浦（嘉兴）健康科技有限公司 | Electromagnetic heating kitchenware as well as controller and control method thereof |
| CN108065753A (en) * | 2016-11-14 | 2018-05-25 | 广东美的生活电器制造有限公司 | Food cooking machine and its heating control apparatus |
| CN109199088A (en) * | 2017-07-03 | 2019-01-15 | 青岛海高设计制造有限公司 | Electric cooker and its control method |
| CN109199088B (en) * | 2017-07-03 | 2021-11-05 | 青岛海高设计制造有限公司 | Electric cooker and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PHILIPS (CHINA) INVESTMENT CO., LTD. Free format text: FORMER OWNER: POVOS ELECTRICAL APPLIANCE (SHANGHAI) CO., LTD. Effective date: 20141016 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201613 SONGJIANG, SHANGHAI TO: 200233 MINHANG, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141016 Address after: 200233 Shanghai, Tianlin Road, Lane No. 888, No. 10, No. Patentee after: Philips (China) Investment Co.,Ltd. Address before: 201613 Shanghai, Songjiang District, Shanghai Pine Road No. 7, 999 Patentee before: POVOS Electrical Appliance (Shanghai) Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: 200072 Lingshi Road, Jingan District, Shanghai, No. 718 A1 Patentee after: Philips (China) Investment Co.,Ltd. Address before: 200233 Shanghai, Tianlin Road, Lane No. 888, No. 10, No. Patentee before: Philips (China) Investment Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231011 Address after: Room 201, No. 20, Lane 728, Lingshi Road, Jing'an District, Shanghai, 200072 Patentee after: Fan Songni (China) Investment Co.,Ltd. Address before: 200072 Lingshi Road, Jingan District, Shanghai, No. 718 A1 Patentee before: Philips (China) Investment Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
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| CX01 | Expiry of patent term |