CN104039033A - Electromagnetic induction heater capable of increasing heating scope - Google Patents
Electromagnetic induction heater capable of increasing heating scope Download PDFInfo
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- CN104039033A CN104039033A CN201310075878.7A CN201310075878A CN104039033A CN 104039033 A CN104039033 A CN 104039033A CN 201310075878 A CN201310075878 A CN 201310075878A CN 104039033 A CN104039033 A CN 104039033A
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- induction coil
- heating region
- material container
- food material
- electromagnetic induction
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Abstract
The invention discloses an electromagnetic induction heater capable of increasing a heating scope. The heater comprises a bearing plate provided with a heating area for arranging at least one material container, and multiple first induction coils which are respectively of oval structures and are arranged on one side surface of the bearing plate, wherein each first induction coil respectively provides a sub heating area to form the heating area to heat the at least one material container. The electromagnetic induction heater capable of increasing the heating scope has a free area heating mode and can prevent an electromagnetic oven from being damaged due to improper position arrangement of the material container.
Description
Technical field
The present invention is about a kind of electromagnetic induction heater, espespecially a kind of electromagnetic induction heater that increases heated perimeter.
Background technology
Development along with electronics industry, cooked food is no longer limited to and uses traditional stove fire kitchen tools, such as grill pan, electromagnetic oven, microwave oven etc. are nursed one's health electrical home appliances, in continuous research and development and progress, have become the indispensable electric equipment products of common people's daily life in recent years.
Wherein, electromagnetic oven is to utilize electromagnetic induction principle, when electromagnetic oven is switched on, electric current produces magnetic field by the induction coil of electromagnetic oven, now, by conductor pan (Li as ︰ iron pan, stainless-steel pan, the pans such as metal pan) be placed in this magnetic field changing in time, the magnetic flux by conductor pan can change thereupon, and produce the change that vortex flow is resisted magnetic flux, while flowing through resistance due to the vortex flow in conductor pan, can produce heat, therefore utilize the principle of vortex flow heat-dissipating, can make the autologous induction heating of conductor pan, with the food materials in heating and cooking pot tool, and reach the object boiling.
At present general family electromagnetic oven used is generally multifurnace type.In general, except thering is a main heating region, have more first, second secondary heating region, to reach the object that can boil to many food material containers simultaneously.Wherein, first, second secondary heating region is arranged at a side of the first main heating region, and first, second secondary heating region can independently operate and heat, and the corresponding electromagnetic assembly of first, second secondary heating region has respectively a temperature inductor, the temperature producing when heating food material container in order to induction coil corresponding to sensing.
Yet in prior art, food material container need be placed on exactly in the first or second secondary heating region and just can heat, and the configuration mode of induction coil corresponding to first and second secondary heating region, more limited applicable food material container shape or size.In detail, if food material container is not positioned in the first or second secondary heating region exactly, or because the size of food material container is compared with cannot be positioned over separately in the first or second secondary heating region greatly time, food material container can be cross-placed between first and second secondary heating region, so may cause and cannot heat.Even if can heat, in the first or second secondary heating region corresponding induction coil to food material container effectively to add heat less, the fictitious power of induction coil and current value are too high, easily make induction coil burn, or electric energy consume is too much.
In addition, when electromagnetic oven has heated after a period of time, if user need be when being positioned over food material container that the first secondary heating region heats and moving to the second secondary heating region, between the temperature of the temperature inductor institute sensing of the temperature inductor of the first secondary heating region of higher temperatures and the second secondary heating region of lower temperature, can produce a temperature difference, when temperature difference arrives a preset value, the induction coil that controller in electromagnetic oven can stop the first secondary heating region continues heating, to prevent that the induction coil of the first secondary heating region from causing fictitious power (reactive power) and the magnitude of current to increase because continuing heating, and avoid this induction coil to burn.
What is more, when food material container is moved to the second secondary heating region and is heated by the first secondary heating region, because the temperature of the second secondary heating region is low compared to the food material container heating, that is the temperature of corresponding temperature inductor institute sensing is also lower than the food material container heating, and controller just can drive induction coil to heat according to the temperature of the temperature-sensitive sticker of corresponding the second secondary heating region, thus, induction coil in low temperature can heat the food material container of high temperature constantly, and then cause the food materials in food material container to burn, or make food material container itself cause damage, the disappearance that also can cause induction coil fictitious power to increase and easily burn.
Therefore, how to develop a kind of electromagnetic induction heater that improves the increased heated perimeter of above-mentioned prior art disappearance, real is the problem of the current required solution of those skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of electromagnetic induction heater that increases heated perimeter, it is by changing shape and the configuration mode of a plurality of induction coils, and the putting position and the projected area that detect food material container, and according to this position and projected area and control and heating power or the electric energy providing to a plurality of induction coils is provided, make by this electromagnetic induction heater there is free space heating mode, and can prevent the bad problem that causes electromagnetic oven to damage in the position of putting because of food material container.
Another object of the present invention is to provide a kind of electromagnetic induction heater that increases heated perimeter, under the area of the heating region of the same loading plate of prior art, larger heated perimeter can be provided, promote by this efficiency of heating surface of electromagnetic induction heater to food material container, also can provide the food material container of more diversified shape to heat.
Another object of the present invention is to provide a kind of electromagnetic induction heater that increases heated perimeter, can be according to the placement location of food material container, and then adjust the electric weight that gives a plurality of the first induction coils is provided, effectively to promote the efficiency of heating surface, and reduce the electric energy loss of the first induction coil.
A further object of the present invention is to provide a kind of electromagnetic induction heater that increases heated perimeter, by a plurality of the first induction coils of a temperature-sensitive sticker sensing, to prevent that electromagnetic induction heater from causing damage because the first induction coil is overheated, by this to promote security appliance.
For reaching above-mentioned purpose, of the present invention one compared with broad sense execution mode for a kind of electromagnetic induction heater is provided, comprise: loading plate, has heating region at least one food material container setting; And a plurality of the first induction coils, it is respectively ellipsoidal structure, and is arranged at a side of loading plate, and wherein each first induction coil provides sub-heating region to form heating region, so that at least one food material container is heated separately.
For reaching above-mentioned purpose, of the present invention another compared with broad sense execution mode for a kind of electromagnetic induction heater is provided, comprise: loading plate, has a heating region at least one food material container setting; And a plurality of the first induction coils, it is respectively ellipsoidal structure, and be arranged at a side of loading plate, wherein each first induction coil provides sub-heating region to form heating region separately, and a plurality of the first induction coil provides and gives required electric energy in a projected area ratio of each sub-heating region of the heating region of loading plate according to this at least one food material container.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of the electromagnetic induction heater of preferred embodiment of the present invention.
Fig. 2 is the first induction coil of the electromagnetic induction heater shown in Fig. 1 and the schematic diagram of the second induction coil.
Fig. 3 is the calcspar of the internal circuit module of electromagnetic induction heater of the present invention.
Fig. 4 is for showing that a food material container is positioned over the schematic diagram that shown in Fig. 1, electromagnetic induction heater heats.
Wherein, description of reference numerals is as follows:
Electromagnetic induction heater: 1
Loading plate: 11
Heating region: 110,111
The first induction coil: 12
Sub-heating region: 120
The first projected area: 121
The second projected area: 122
The second induction coil: 13
Circuit module: 14
Control unit: 141
The first power-supply unit: 142
Temperature-sensitive sticker: 143
Man machine operation interface: 145
Second source feeding unit: 146
Food material container: 2
Temperature sensing signal: S1
Control signal: C1
Operation signal: A1
Embodiment
Some exemplary embodiments that embody feature & benefits of the present invention will describe in detail in the explanation of back segment.Be understood that the present invention can have various variations in different modes, it neither departs from the scope of the present invention, and explanation wherein and be shown in the use that ought explain in essence, but not in order to limit the present invention.
Refer to Fig. 1 and Fig. 2, the schematic appearance of the electromagnetic induction heater that wherein Fig. 1 is preferred embodiment of the present invention; Fig. 2 is the first induction coil of the electromagnetic induction heater shown in Fig. 1 and the schematic diagram of the second induction coil.Electromagnetic induction heater 1 of the present invention can be but is not limited to electromagnetic oven.Electromagnetic induction heater 1 comprises loading plate 11 and a plurality of the first induction coil 12, and wherein loading plate 11 has a heating region 110, at least one food material container (not shown), arranges to heat.In the present embodiment, food material container can be conductor pan, for example metal pan.A plurality of the first induction coils 12 are respectively an ellipsoidal structure, and are arranged at a side of loading plate 11, and wherein each first induction coil 12 can provide a sub-heating region 120 separately, and the surface being formed on loading plate 11 with correspondence forms heating region 110.In the present embodiment, a plurality of the first induction coils 12 are for to arrange tangent to each otherly, but not as limit, also can arrange separated from one anotherly, make a plurality of the first induction coils 12 to have larger area coverage for better in heating region 110.
Referring again to Fig. 1 and Fig. 2, in the present embodiment, electromagnetic induction heater 1 is a multifurnace type structure, it also comprises the second induction coil 13, be arranged at a side of loading plate 11, and the area of the second induction coil 13 is greater than the area of the first induction coil 12 relatively, in order to the larger food material container of diameter is heated, wherein the profile scope of the second induction coil 13 is its heating region 111.A plurality of the first induction coils 12 are arranged in a side of the second induction coil 13, but not as limit.In the present embodiment, a plurality of the first induction coils 12 are consisted of two oval-shaped the first induction coils 12, but its number is not as limit, also can appoint and execute variation according to actual demand.A plurality of the first induction coils 12 are respectively ellipsoidal structure, and setting tangent to each other, therefore compared to prior art, under the area of the heating region 110 of same loading plate 11, each first induction coil 12 has larger sub-heating region 120, the ratio that sub-heating region 120 sum totals of a plurality of the first induction coils 12 account for whole heating region 110 is relatively high, promote by this efficiency of heating surface of 1 pair of food material container of electromagnetic induction heater, also can provide the food material container of more diversified shape, for example square, heat.
Electromagnetic induction heater 1 of the present invention also comprises a circuit module 14, in order to drive electromagnetic induction heater 1, so that food material container heats.Refer to Fig. 3, the calcspar of the internal circuit module that it is electromagnetic induction heater of the present invention.As shown in the figure, the circuit module of electromagnetic induction heater 1 comprises control unit 141, the first power-supply unit 142, temperature-sensitive sticker 143 and man machine operation interface 145, and wherein temperature-sensitive sticker 143 frameworks are in the temperature of a plurality of the first induction coils 12 of sensing and with producing a temperature sensing signal S1.The first power-supply unit 142 is electrically connected to a plurality of the first induction coils 12, in order to provide each this first induction coil 12 required electric energy, makes 12 pairs of food material containers of a plurality of the first induction coils carry out electromagnetic induction heating and produce one to add heat.Control unit 141 is electrically connected to temperature-sensitive sticker 143, the first power-supply unit 142 and man machine operation interface 145, and according to the temperature sensing signal S1 of institute's reception temperature-sensitive sticker 143, transmit control signal C1 to the first power-supply unit 142 thereupon, to control the first power-supply unit 142 adjustment, provide heating power or the electric energy that gives each the first induction coil 12.Man machine operation interface 145 is electrically connected to control unit 141, in order to the operation with user, produces an operation signal A1 to control unit 141.
In the present embodiment, circuit module of the present invention also comprises second source feeding unit 146, second source feeding unit 146 is electrically connected to control unit 141 and the second induction coil 13, in order to provide the second induction coil 13 required electric energy, make 13 pairs of food material containers of the second induction coil carry out electromagnetic induction heating and produce one to add heat.
The conception according to the present invention, electromagnetic induction heater 1 of the present invention can have a free space heating mode (Free Space Mode), that is user can be positioned in heating region 110 by food material container 2 arbitrarily and the sub-heating region that need not aim at each induction coil can heat.When electromagnetic induction heater 1 switches to this pattern, the position that electromagnetic induction heater 1 can be put according to food material container on the heating region 110 of loading plate 11, and adjust heating power separately or the electric energy of a plurality of the first induction coils 12 thereupon, to reach, can place arbitrarily food material container 2 and heat in heating region, and can promote the object of usefulness.
Refer to Fig. 4 and coordinate Fig. 3, wherein Fig. 4 shows that a food material container is positioned over the schematic diagram that shown in Fig. 1, electromagnetic induction heater heats.As shown in Figure 4, when electromagnetic induction heater 1 switches to free space heating mode, when food material container 2 is positioned between two formed sub-heating regions 120 of the first induction coil 12, each first induction coil 12 is according to the putting position of food material container 2, for example according to food material container 2, be positioned at the projected area ratio of the sub-heating region 120 of the first corresponding induction coil 12, and the corresponding heat energy of corresponding generation, so that food material container 2 is heated.Specifically, control unit 141 produces control signal C1 to the first power-supply unit 142 according to the received ratio according to this projected area, the first power-supply unit 142 can be adjusted heating power or the electric energy that gives each the first induction coil 12 is provided according to the control of control unit 141 by this, therefore can automatically according to food material container 2 projections, in the area ratio of the sub-heating region 120 of each the first induction coil 12, adjust respectively and heating power or the electric energy of controlling each the first induction coil 12.
Take Fig. 4 as example, food material container 2 forms respectively the first projected area 121 and the second projected area 122 on each sub-heating region 120 of heating region 110, wherein the first projected area 121 is less than the second projected area 122, but not as limit, the first projected area 121 also can be more than or equal to this second projected area 122.And control unit 141 is according to the ratio of the first projected area 121 and the second projected area 122, produces a control signal C1 thereupon and be sent to the first power-supply unit 16.Afterwards, the first power-supply unit 142 can be adjusted heating power or the electric energy that gives each the first induction coil 12 is provided according to the control of control unit 141, therefore can automatically according to food material container 2 projections, in the projected area ratio of the sub-heating region 120 of each the first induction coil 12, adjust respectively and heating power or the electric energy of controlling each the first induction coil 12.In other words, even if food material container 2 is not positioned in the sub-heating region 120 of the first induction coil 12 exactly, by electromagnetic induction heater 1 of the present invention, can be positioned at according to food material container 2 projected area of the sub-heating region 120 of each the first induction coil 12, and then automatically adjust heating power or the electric energy that a plurality of the first induction coils 12 produce, and coordinating the first induction coil 12 of the present invention is an ellipsoidal structure design, and there is larger sub-heating region 120 compared to prior art, effectively to promote the first induction coil 12 for the efficiency of heating surface of food material container 2, and avoid causing the first induction coil 12 to produce more fictitious powers.
Certainly, in some embodiment, when the first projected area 121 that is positioned at the sub-heating region 120 of the first induction coil 12 when food material container 2 is less than a preset value, being user moves food material container 2 toward another first induction coil 12, and while making the first projected area 121 much smaller than the second projected area 122, making control unit 141 can control this first power-supply unit 142 stops corresponding the first induction coil 12 of the first projected area 121 to power, and food material container 2 is not heated, but directly by 12 pairs of food material containers 2 of another first induction coil, heat, to avoid producing more fictitious powers, and cause heat efficiency to reduce and the disappearance such as electric energy consume.
Shown in Fig. 2 of the present invention and Fig. 4, electromagnetic induction heater 1 of the present invention has more a temperature-sensitive sticker 143, and it is adjacent between a plurality of the first induction coils 12, in order to the temperature of sensing the first induction coil 12.Wherein, as shown in Figure 4, if any one temperature in a plurality of the first induction coils 12 of 143 sensings of temperature-sensitive sticker is wherein during higher than a preset value, can produce and transmit a temperature sensing signal S1 to control unit 141, and this control element 141 can be controlled the first power-supply unit 142 with this temperature sensing signal S1, make the first power-supply unit 142 stop each the first induction coil 12 to power, allow by this first induction coil 12 stop heating, to avoid causing the first induction coil 12 own because the first induction coil 12 is overheated, or electromagnetic induction heater 1 damages, promote by this security appliance.
In sum, the electromagnetic induction heater that increases heating region of the present invention by by change a plurality of the first induction coils be shaped as ellipsoidal structure and and configuration mode, make under the area of the heating region of the same loading plate of prior art, the ratio that the sub-heating region sum total of a plurality of the first induction coils accounts for whole heating region is relatively high, promote by this efficiency of heating surface of electromagnetic induction heater to food material container, also can provide the food material container of more diversified shape to heat.In addition, electromagnetic induction heater more can detect putting position and the projected area of food material container, and control, provide heating power or the electric energy to a plurality of the first induction coils with adjustment, this makes electromagnetic induction heater have free space heating mode, and can prevent the bad problem that causes electromagnetic oven to damage in the position of putting because of food material container, effectively to promote the efficiency of heating surface.In addition, electromagnetic induction heater is by a plurality of the first induction coils of a temperature-sensitive sticker sensing, to prevent that electromagnetic induction heater from causing damage because the first induction coil is overheated, by this to promote security appliance.
The present invention must be appointed and be executed that craftsman thinks and be to modify as all by those skilled in the art, so neither de-appendedly applies for a patent claim Protector that scope is wanted.
Claims (11)
1. an electromagnetic induction heater, comprises:
One loading plate, has a heating region at least one food material container setting; And
A plurality of the first induction coils, it is respectively an ellipsoidal structure, and is arranged at a side of this loading plate, and wherein each this first induction coil provides a sub-heating region to form this heating region separately, so that this at least one food material container is heated.
2. electromagnetic induction heater as claimed in claim 1, wherein this electromagnetic induction heater is an electromagnetic oven, and this food material container is a conductor pan.
3. electromagnetic induction heater as claimed in claim 1, wherein the plurality of the first induction coil is arranged at this side of this loading plate tangent to each otherly.
4. electromagnetic induction heater as claimed in claim 1, it also comprises a circuit module, comprises:
One first power-supply unit, is electrically connected on the plurality of the first induction coil, so that the plurality of the first induction coil required electric energy to be separately provided; And
One control unit, is electrically connected to this first power-supply unit, produces a control signal and provides the plurality of the first induction coil required electric energy separately to control this first power-supply unit.
5. electromagnetic induction heater as claimed in claim 4, wherein this circuit module also comprises a temperature-sensitive sticker, is adjacent between the plurality of the first induction coil, for the temperature of the plurality of the first induction coil of sensing.
6. electromagnetic induction heater as claimed in claim 5, wherein when this temperature-sensitive sticker is in the arbitrary temperature that senses the plurality of the first induction coil during higher than a preset value, this temperature-sensitive sticker produces a temperature sensing signal to this control unit, this control unit produces this with this temperature-sensitive sticker and controls signal to this first power-supply unit, to control this first power-supply unit, stops providing electric energy to this first induction coil.
7. electromagnetic induction heater as claimed in claim 3, wherein this circuit module also comprises a plurality of position sensors, be adjacent to respectively this corresponding first induction coil, in order to this at least one food material container of sensing, in position and the projected area of this heating region, and produce a plurality of sensing signals thereupon.
8. electromagnetic induction heater as claimed in claim 1, wherein this at least one food material container forms respectively a projected area in respectively this sub-heating region of this heating region of this loading plate.
9. electromagnetic induction heater as claimed in claim 8, wherein this control unit, according to this at least one food material container in this projected area ratio of respectively this sub-heating region of this heating region of this loading plate, is adjusted with this first power-supply unit of control and is provided to the electric energy of the plurality of the first induction coil.
10. electromagnetic induction heater as claimed in claim 1, it also comprises one second induction coil, is arranged at this side of this loading plate, and the plurality of the first induction coil is arranged in a side of this second induction coil.
11. 1 kinds of electromagnetic induction heaters, comprise:
One loading plate, has a heating region at least one food material container setting; And
A plurality of the first induction coils, it is respectively an ellipsoidal structure, and be arranged at a side of this loading plate, wherein each this first induction coil provides a sub-heating region to form this heating region separately, and the plurality of the first induction coil provides and gives required electric energy in a projected area ratio of respectively this sub-heating region of this heating region of this loading plate according to this at least one food material container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075878.7A CN104039033B (en) | 2013-03-08 | 2013-03-08 | The electromagnetic induction heater of heated perimeter can be increased |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075878.7A CN104039033B (en) | 2013-03-08 | 2013-03-08 | The electromagnetic induction heater of heated perimeter can be increased |
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| CN104039033A true CN104039033A (en) | 2014-09-10 |
| CN104039033B CN104039033B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310075878.7A Expired - Fee Related CN104039033B (en) | 2013-03-08 | 2013-03-08 | The electromagnetic induction heater of heated perimeter can be increased |
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| CN107708453A (en) * | 2015-06-29 | 2018-02-16 | 尼科创业控股有限公司 | Electronics aerosol feed system |
| CN109502193A (en) * | 2018-12-17 | 2019-03-22 | 李天俊 | Heating packaging and preparation method thereof, food heating method |
| CN110131757A (en) * | 2019-04-15 | 2019-08-16 | 广东瑞德智能科技股份有限公司 | A kind of electromagnetic oven |
| CN110178442A (en) * | 2017-01-12 | 2019-08-27 | Lg电子株式会社 | Induction heating cooker |
| CN110300471A (en) * | 2018-03-23 | 2019-10-01 | 惠而浦有限公司 | Induction cook utensil |
| US11185110B2 (en) | 2015-06-29 | 2021-11-30 | Nicoventures Trading Limited | Electronic vapor provision system |
| US11388785B2 (en) | 2018-03-23 | 2022-07-12 | Whirlpool Corporation | Connection interface for induction coil array |
| US11405989B2 (en) | 2018-03-23 | 2022-08-02 | Whirlpool Corporation | Temperature sensor compression features for induction cooktop assembly |
| US11896055B2 (en) | 2015-06-29 | 2024-02-13 | Nicoventures Trading Limited | Electronic aerosol provision systems |
| US12070070B2 (en) | 2015-06-29 | 2024-08-27 | Nicoventures Trading Limited | Electronic vapor provision system |
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| US12070070B2 (en) | 2015-06-29 | 2024-08-27 | Nicoventures Trading Limited | Electronic vapor provision system |
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| US11405989B2 (en) | 2018-03-23 | 2022-08-02 | Whirlpool Corporation | Temperature sensor compression features for induction cooktop assembly |
| CN110300471B (en) * | 2018-03-23 | 2022-08-23 | 惠而浦有限公司 | Induction cooking appliance |
| US11388785B2 (en) | 2018-03-23 | 2022-07-12 | Whirlpool Corporation | Connection interface for induction coil array |
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| CN109502193A (en) * | 2018-12-17 | 2019-03-22 | 李天俊 | Heating packaging and preparation method thereof, food heating method |
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| CN104039033B (en) | 2016-06-29 |
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