CN110881229A - Electromagnetic heating device - Google Patents
Electromagnetic heating device Download PDFInfo
- Publication number
- CN110881229A CN110881229A CN201811034115.7A CN201811034115A CN110881229A CN 110881229 A CN110881229 A CN 110881229A CN 201811034115 A CN201811034115 A CN 201811034115A CN 110881229 A CN110881229 A CN 110881229A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic heating
- sensing
- operation signal
- pressure conversion
- frequency
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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.)
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
Abstract
An electromagnetic heating apparatus includes an electromagnetic heating member, a weighing member disposed on the electromagnetic heating member, a control member, and a display member, the weighing member including at least one sensing portion and a pressure conversion portion, the sensing portion being connected to the pressure conversion portion, the sensing portion being configured to deform at least one of the sensing portions by pressing of the object to be heated, an acting force generated by the deformation being transmitted to the pressure conversion portion, the acting force being converted into a changed operation signal by the pressure conversion portion and being output. The invention has the beneficial effects that: through increase the part of weighing on the basis of heating part, can accurately calculate the food volume in the culinary art process and obtain the energy of eating, improved food quality, heating device also can regard as solitary food metering equipment to use simultaneously, has reduced the cost of life.
Description
Technical Field
The invention relates to but is not limited to the technical field of electromagnetic heating, in particular to an electromagnetic heating device.
Background
The electromagnetic oven mainly utilizes the electromagnetic induction principle to make the bottom of an iron pan generate eddy current, thereby generating a large amount of heat energy to directly make the pan body generate heat rapidly. The electromagnetic oven has high heat efficiency, produces no toxic and harmful gas, is clean and clean, and is popular with consumers. Along with the development of society, people pay more and more attention to food culture, can make delicious meal according to the weight of the proportion of food raw materials, and is the requirement of consumers. Although the electromagnetic oven realizes the function of heating food, the problems of food quantification and food proportioning cannot be solved. At present, people with high blood pressure, high blood sugar and various types of sub-health and chronic metabolic diseases caused by sudden death of drinking are increasing day by day, modern people develop healthy balanced diet, and hope to accurately calculate the amount of food to obtain eating energy and realize the recommended target and amount of diet guidelines. If accurately weigh various foods before cooking, the method is time-consuming and labor-consuming, and the problem of conveniently and quickly measuring the quantity and the weight of the foods in the cooking process is urgently needed.
Disclosure of Invention
The embodiment of the invention aims to provide the electromagnetic heating device, the weighing component is additionally arranged on the electromagnetic heating component, the food quantity can be accurately calculated in the cooking process to obtain the food intake energy, the food quality is improved, and meanwhile, the electromagnetic heating device can also be used as a separate food metering device, so that the living cost is reduced.
In order to solve the above technical problem, an embodiment of the present invention provides an electromagnetic heating apparatus, including: an electromagnetic heating member configured to warm an object to be heated by electromagnetic induction; a weighing member disposed on the electromagnetic heating member, the weighing member including at least one sensing portion and a pressure conversion portion, the sensing portion being connected to the pressure conversion portion, the sensing portion being configured to deform at least one sensing portion by being pressed by the object to be heated, an acting force generated by the deformation being transmitted to the pressure conversion portion, the acting force being converted into a changed operation signal by the pressure conversion portion and being output; a control component connected with the weighing component, the control component configured to complete control calculation of the changed operation signal by receiving the changed operation signal; a display section connected with the control section, the display section configured to display a control calculation result of the control section.
Further, the sensing part comprises at least one sensing piece, the sensing piece is arranged on the electromagnetic heating component, and the sensing piece is configured to change an operation signal of the pressure conversion part by being pressed to deform.
Further, the sensing part includes a connecting element and at least two resistance elements, the resistance elements are disposed at two ends of the connecting element, one end of the connecting element is connected with the pressure conversion part through the resistance element, and the connecting element is configured to be pressed to form deformation so as to change the connection position of the resistance element and the pressure conversion part.
Further, the connecting element is a deformable element.
Further, the deformable conductor is configured as a conductive spring.
Further, the connecting element is provided integrally with the resistance element.
Further, the sensing member is configured as a torque sensing member.
Further, the torque sensing piece is configured as a strain gauge.
Further, the pressure conversion part comprises an operation signal conversion circuit and a direct current conversion circuit, the operation signal conversion circuit is connected with the sensing part, and the direct current conversion circuit is connected with the control part; the operation signal conversion circuit is used for generating a changed operation signal; the direct current conversion circuit is used for converting the changed operation signal into a direct current operation signal.
Further, the electromagnetic heating component includes a current conversion element, a high-frequency current conversion element, and a high-frequency electromagnetic induction element, wherein the current conversion element, the high-frequency current conversion element, and the high-frequency electromagnetic induction element are connected in series; the current conversion element is used for converting alternating current into direct current; the high-frequency current conversion element is used for converting the direct current into high-frequency alternating current; the high-frequency electromagnetic induction element is used for generating a high-frequency alternating magnetic field through the high-frequency alternating current.
Further, still include heating base, heating base is used for holding electromagnetic heating part, weighing component, control part and display element.
The technical scheme of the invention has the following beneficial technical effects:
1. by adopting the deformable sensing part, the weight of the electromagnetic heating device is reduced, the complexity of electric connection of the electromagnetic heating device is reduced, and the service life of the electromagnetic heating device is prolonged.
2. Through the cooperation of the connecting element and the resistance element, the change of the operation signal of the pressure conversion part is realized, and the weighing precision is improved.
3. By adopting the control component and the display component, the control calculation and the display of the changed operation signals are realized, the control of the electromagnetic heating device on the food amount in the cooking process is enhanced, the life quality is improved, and meanwhile, the life cost is also reduced.
Drawings
Fig. 1 is a schematic view of the working principle of an electromagnetic heating apparatus according to an embodiment of the present invention;
fig. 2 is a perspective structural view of an electromagnetic heating apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a sensing element according to an embodiment of the invention;
FIG. 4 is a schematic view of a sensing element according to another embodiment of the invention;
FIG. 5 is a schematic view of a sensing element according to yet another embodiment of the invention;
FIG. 6 is a schematic view of the operation of the pressure conversion part according to the embodiment of the present invention;
fig. 7 is a schematic view of the operation principle of the electromagnetic heating component according to the embodiment of the invention.
Reference numerals:
5. heating the susceptor; 1. a magnetic heating member; 2. a weighing component; 3. a control component;
4. a display section; 21. a sensing section; 22. a pressure conversion section; the sensing piece 211;
222. a connecting element; 223. a resistance element; 11. a current conversion element;
12. a high-frequency current conversion element; 13. a high-frequency electromagnetic induction element.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example one
Fig. 1 is a schematic view of a heating apparatus according to an embodiment of the present invention.
Fig. 2 is a perspective view of an electromagnetic heating device according to an embodiment of the present invention.
Referring to fig. 1 and 2, a heating device according to an embodiment of the present invention includes: an electromagnetic heating part 1, a weighing part 2, a control part 3 and a display part 4; wherein the electromagnetic heating member 1 is configured to warm up an object to be heated by electromagnetic induction; a weighing member 2, wherein the weighing member 2 is arranged on the electromagnetic heating member 1, the weighing member 2 comprises at least one sensing part 21 and a pressure conversion part 22, the sensing part 21 is connected with the pressure conversion part 22, the sensing part 21 is configured to deform at least one sensing part 21 by the pressing of the object to be heated, the acting force generated by the deformation is transmitted to the pressure conversion part 22, and the acting force is converted into a changed operation signal by the pressure conversion part 22 and is output; a control component 3 connected with the weighing component 2, wherein the control component 3 is configured to complete the control calculation of the changed operation signal by receiving the changed operation signal; a display section 4 connected with the control section, the display section configured to display a control calculation result of the control section.
The weighing operation principle of the electromagnetic heating device provided by the embodiment is as follows: the weight of the object to be heated is converted into a change of an electric signal by one or more sensors 21, a control calculation of the change output operation signal is completed by the control part 3 receiving the change output operation signal of the pressure converting part 22, and the control calculation result of the control part 3 is displayed by the display part 4.
According to the electromagnetic heating device provided by the embodiment, the weighing component 2 is additionally arranged on the electromagnetic heating component 1, the food quantity can be accurately calculated in the cooking process to obtain the food intake energy, the food intake quality is improved, and meanwhile, the electromagnetic heating device can also be used as a separate food metering device, so that the living cost is reduced.
In one embodiment of the present invention, the sensing part 21 includes at least one sensing piece 211, and the sensing piece 211 is disposed on the electromagnetic heating component 1, and in the embodiment of the present invention, the sensing piece 211 may be disposed on an upper portion or a lower portion of the electromagnetic heating component 1, and the embodiment of the present invention is not limited thereto. The sensing piece 211 is configured to change the operation signal of the pressure conversion portion 22 by being deformed by being pressed.
FIG. 3 is a schematic view of a sensing element according to an embodiment of the invention.
In an alternative embodiment of the present invention, the sensing member 211 comprises a connecting element 222 and a resistance element 223, the resistance element 223 is disposed at two ends of the connecting element 222, one end of the connecting element 222 is connected to the pressure conversion part 22 through the resistance element 223, and the connecting element 222 is configured to be pressed to deform so as to change the connection position of the resistance element 223 and the pressure conversion part 22.
Optionally, the connection element 222 is a deformable element, specifically, the deformable conductor is a conductive spring, and the conductive spring may be a deformable spring of alloy or semiconductor.
Optionally, the connecting element 222 is integrated with the resistor element 223.
Fig. 6 is a schematic view of the operation principle of the pressure conversion part according to the embodiment of the present invention.
Optionally, the pressure conversion part 22 includes an operation signal conversion circuit and a dc conversion circuit, the operation signal conversion circuit is connected with the sensing piece 211, and the dc conversion circuit is connected with the control part 3; the operation signal conversion circuit is used for generating a changed operation signal; the direct current conversion circuit is used for converting the changed operation signal into a direct current operation signal.
In an alternative embodiment of the present invention, the operation signal conversion circuit is an amplifying/filtering circuit. The direct current conversion circuit is an A/D conversion circuit. When the sensing element 211 is deformed, the circuit outputs a changed analog signal corresponding to the change of the operation signal of the amplifying/filtering circuit, and the operation signal may be one of a voltage, a current or a resistance in the embodiment of the present invention, but the present invention is not limited thereto, and the analog signal output to the change is converted into a digital signal by an a/D conversion circuit, and the digital signal is output to the control unit 3 for operation control.
Fig. 7 is a schematic view of the operation principle of the electromagnetic heating component according to the embodiment of the invention.
Optionally, the electromagnetic heating component 1 includes a current conversion element 11, a high-frequency current conversion element 12 and a high-frequency electromagnetic induction element 13, wherein the current conversion element 11, the high-frequency current conversion element 12 and the high-frequency electromagnetic induction element 13 are connected in series; the current conversion element 11 is used for converting alternating current into direct current; the high-frequency current conversion element 12 is configured to convert the direct current into a high-frequency alternating current; the high-frequency electromagnetic induction element 13 is configured to generate a high-frequency alternating magnetic field by the high-frequency alternating current.
Optionally, the current converting element 11 is a rectifier, and the high-frequency electromagnetic induction element is an induction heating coil.
The electromagnetic heater generally functions as: the electromagnetic heating part 1 receives alternating current voltage, the alternating current voltage passes through the electric rectifier and the high-frequency current conversion element, and high-frequency alternating current is applied to the induction heating coil, so that a high-frequency alternating magnetic field is generated, the magnetic line of force acts on the metal cooker, strong eddy current is generated in the metal cooker, and the eddy current overcomes the internal resistance flow of the metal cooker to finish the conversion of electric energy to heat energy.
In an optional embodiment, the electromagnetic heating device further comprises a heating base 0, wherein the heating base is used for accommodating the electromagnetic heating component 1, the weighing component 2, the control component 3 and the display component 4; the control component 3 further includes a selection unit and a data storage unit, the selection unit may enable the electromagnetic heating device to operate a heating and/or weighing function by switching an operation signal, and the storage unit is used for the control component to call up a stored data table, but the present invention is not limited thereto.
The embodiment of the invention aims to protect an electromagnetic heating device, which has the following effects:
1. by adopting the deformable sensing part 21, the weight of the electromagnetic heating device is reduced, the complexity of electric connection of the electromagnetic heating device is reduced, and the service life of the electromagnetic heating device is prolonged.
2. By using the connecting element 222 and the resistance element 223 together, the change of the operation signal of the pressure conversion part 22 is realized, and the weighing precision is improved.
3. By adopting the control component 3 and the display component 4, the control calculation and the display of the changed operation signals are realized, the control of the electromagnetic heating device on the amount of food in the cooking process is enhanced, the life quality is improved, and the life cost is also reduced.
Example two
FIG. 4 is a schematic view of a sensing element according to another embodiment of the invention.
The present embodiment is different from the first embodiment in that the sensing part 211 includes a connecting element 222 and a resistive element 223 which are symmetrically arranged, one end of one of the resistive elements 223 is fixedly arranged on the pressure conversion part 22, and when the other resistive element 223 is pressed to deform so as to drive the symmetrically arranged resistive element 223 to deform, the connecting position of the resistive element 223 and the pressure conversion part 22 is changed.
EXAMPLE III
FIG. 5 is a schematic view of a sensing element according to another embodiment of the invention.
This embodiment differs from the first embodiment in that the sensor element is configured as a torque sensor element.
Optionally, the torque sensing member is configured as a strain gauge.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (11)
1. An electromagnetic heating apparatus, comprising
An electromagnetic heating member configured to warm an object to be heated by electromagnetic induction;
the weighing component is arranged on the electromagnetic heating component and comprises at least one sensing part and a pressure conversion part, the sensing part is connected with the pressure conversion part, the sensing part is configured to be pressed by the object to be heated to deform at least one sensing part, acting force generated by deformation is transmitted to the pressure conversion part, and the acting force is converted into a changed operation signal by the pressure conversion part and is output;
a control component connected with the weighing component, the control component configured to complete control calculation of the changed operation signal by receiving the changed operation signal;
a display section connected with the control section, the display section configured to display a control calculation result of the control section.
2. The electromagnetic heating apparatus according to claim 1, wherein the sensing portion includes at least one sensing piece provided on the electromagnetic heating member, the sensing piece being configured to change an operation signal of the pressure conversion portion by being deformed by being pressed.
3. The electromagnetic heating apparatus according to claim 2, wherein the sensing member includes at least two resistance elements and a connecting element, the resistance elements are disposed at both ends of the connecting element, one end of the connecting element is connected to the pressure conversion portion through the resistance elements, and the connecting element is configured to be pressed to be deformed to change a connection position of the resistance elements to the pressure conversion portion.
4. Electromagnetic heating device according to claim 3, characterized in that the connecting element is a deformable element.
5. Electromagnetic heating apparatus as claimed in claim 4, wherein said deformable element is provided as an electrically conductive spring.
6. Electromagnetic heating device according to claim 3, characterized in that the connection element is provided integrally with the resistance element.
7. An electromagnetic heating apparatus as claimed in claim 2, wherein said sensing element is provided as a torque sensing element.
8. The electromagnetic heating apparatus of claim 7, wherein the torque sensing member is configured as a strain gauge.
9. The electromagnetic heating apparatus according to claim 2, wherein the pressure conversion portion includes an operation signal conversion circuit and a direct current conversion circuit, the operation signal conversion circuit being connected to the sensing piece, the direct current conversion circuit being connected to the control part;
the operation signal conversion circuit is used for generating a changed operation signal;
the direct current conversion circuit is used for converting the changed operation signal into a direct current operation signal.
10. The electromagnetic heating apparatus according to claim 2, characterized in that the electromagnetic heating means includes a current conversion element, a high-frequency current conversion element, and a high-frequency electromagnetic induction element, wherein the current conversion element, the high-frequency current conversion element, and the high-frequency electromagnetic induction element are connected in series;
the current conversion element is used for converting alternating current into direct current;
the high-frequency current conversion element is used for converting the direct current into high-frequency alternating current;
the high-frequency electromagnetic induction element is used for generating a high-frequency alternating magnetic field through the high-frequency alternating current.
11. The electromagnetic heating apparatus according to any one of claims 1 to 10, further comprising a heating base for housing the electromagnetic heating part, the weighing part, the control part, and the display part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034115.7A CN110881229A (en) | 2018-09-05 | 2018-09-05 | Electromagnetic heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034115.7A CN110881229A (en) | 2018-09-05 | 2018-09-05 | Electromagnetic heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110881229A true CN110881229A (en) | 2020-03-13 |
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ID=69727974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811034115.7A Pending CN110881229A (en) | 2018-09-05 | 2018-09-05 | Electromagnetic heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110881229A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345402A (en) * | 2020-10-31 | 2021-02-09 | 刘金花 | Ceramic water absorption rate detection equipment and detection method thereof |
-
2018
- 2018-09-05 CN CN201811034115.7A patent/CN110881229A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345402A (en) * | 2020-10-31 | 2021-02-09 | 刘金花 | Ceramic water absorption rate detection equipment and detection method thereof |
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Application publication date: 20200313 |