CN110840217A

CN110840217A - Cooking pot

Info

Publication number: CN110840217A
Application number: CN201810954074.7A
Authority: CN
Inventors: 刘衡; 于新洋; 贺立军; 张蒙恩; 马万银; 李敏; 王书春
Original assignee: Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Wisdom Kitchen Appliance Co Ltd
Current assignee: Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Wisdom Kitchen Appliance Co Ltd
Priority date: 2018-08-21
Filing date: 2018-08-21
Publication date: 2020-02-28

Abstract

The invention discloses a cooker, and belongs to the technical field of cookers. The embodiment of the invention provides a pot, wherein a surface layer with standard emissivity is arranged on the outer surface of the pot. According to the embodiment of the invention, the surface layer with the standard emissivity is arranged on the outer surface of the cookware, so that when the infrared temperature measuring device is used for measuring the temperature, the surface layer with the standard emissivity is subjected to temperature measurement, the different emissivity of different cookware is not considered, the temperature value of infrared temperature measurement is more accurate, a user can conveniently know the accurate temperature information of the cookware, and the problem that the measured temperature value difference is obvious due to the different emissivity among different cookware is solved.

Description

Cooking pot

Technical Field

The invention relates to the technical field of cookers, in particular to a cooker.

Background

The cookware is subjected to temperature measurement, generally, a thermocouple or a thermistor and other contact type temperature sensors are adopted, the temperature sensors are in direct contact with the cookware or are in contact with the cookware through a metal shell for temperature measurement, and during measurement, the temperature sensors must be in contact with the cookware, so that inaccurate temperature measurement can be caused if poor contact is caused.

In order to avoid the phenomenon of inaccurate temperature measurement caused by poor contact, an infrared temperature measurement technology can be adopted for temperature measurement, but the accuracy of the infrared temperature measurement technology is greatly related to the emissivity of the cookware.

In the prior art, the infrared temperature measuring device applied to the cookware generally adopts a full-spectrum infrared detector, and the measured temperature values are different when the emissivity of the cookware is different, so that the measured temperature values are different obviously for the same infrared temperature measuring device due to the different emissivity of the cookware.

Disclosure of Invention

The embodiment of the invention provides a pot, which aims to solve the problem that in the prior art, the measured temperature values are obviously different due to different emissivities of pots. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to the embodiment of the invention, the cookware is provided, and the surface layer with the standard emissivity is arranged on the outer surface of the cookware.

In some alternative embodiments, the cookware includes a bottom and a side;

the surface layer is uniformly distributed in all or part of the area of the bottom;

and/or the surface layer is uniformly distributed on the whole or partial area of the side part.

In some alternative embodiments, the shape of the facing layer is circular or square, and is located at the center of the bottom, and/or at the middle of the side in the height direction.

In some alternative embodiments, the surface layer is made of copper oxide high-temperature paint and is adhered to the bottom and/or the side by a spraying process.

In some alternative embodiments, the spray coating process includes at least two spray coatings, wherein the time interval between two adjacent spray coatings is greater than 5 minutes.

In some alternative embodiments, the thickness of the top layer is 100-210 microns.

In alternative embodiments, the facing is made of enamel and is adhered to the bottom, and/or the side, using a powder spray process.

In some alternative embodiments, the thickness of the facing layer is 200-300 microns.

In alternative embodiments, the facing is a cast iron plate welded to the bottom, and/or the side.

In some alternative embodiments, the standard emissivity is in the range of 0.6 to 1.0 with a tolerance of ± 0.05.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

the embodiment of the invention provides a cooker, wherein a surface layer with standard emissivity is arranged on the outer surface of the cooker.

According to the embodiment of the invention, the surface layer with the standard emissivity is arranged on the outer surface of the pot, so that when the infrared temperature measuring device is used for measuring the temperature, the surface layer with the standard emissivity is used, the different emissivities of different pots are not considered, the measured temperature value of the infrared temperature measurement is more accurate, a user can conveniently know the accurate temperature information of the pot, and the problem that the measured temperature value difference is obvious due to the different emissivities among different pots is solved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic structural view of a cookware shown according to an exemplary embodiment;

FIG. 2 is a schematic structural diagram illustrating a temperature measurement of a pot according to an exemplary embodiment;

FIG. 3 is a schematic structural diagram illustrating temperature measurement of a pot according to an exemplary embodiment;

FIG. 4 is a schematic structural diagram illustrating temperature measurement of a pot according to another exemplary embodiment;

description of the drawings: 1. a pot; 11. a bottom; 12. a side portion; 13. a handle; 2. a surface layer; 3. an infrared temperature measuring device; 4. a gas range; 41. a burner; 42. a light through hole; 43. and a baffle plate.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or structure from another entity or structure without requiring or implying any actual such relationship or order between such entities or structures. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

According to an embodiment of the invention, a cooker is provided, fig. 1 is a schematic structural view of a cooker according to an exemplary embodiment, and as shown in fig. 1, a surface layer 2 with a standard emissivity is arranged on an outer surface of a cooker 1.

The emissivity is the ratio of the energy radiated from the surface of the object to the energy radiated from a black body at the same temperature.

Standard emissivity refers to emissivity having industry-uniform specifications.

According to the embodiment of the invention, the surface layer 2 with the standard emissivity is arranged on the outer surface of the pot 1, so that when the infrared temperature measuring device is used for measuring the temperature, the surface layer 2 with the standard emissivity is used, the different emissivities of different pots are not considered, the measured temperature value of the infrared temperature measurement is more accurate, a user can conveniently know the accurate temperature information of the pot 1, and the problem that the measured temperature value difference is obvious due to the different emissivities among different pots is solved.

In some alternative embodiments, the pot 1 comprises a bottom 11 and a side 12;

the surface layer 2 is uniformly distributed on the whole or partial area of the bottom 11;

and/or facing layer 2 may be uniformly distributed over all or a portion of side portion 12.

In the embodiment of the invention, the cookware 1 is divided into the bottom 11 and the side 12, the surface layer 2 can be uniformly distributed on the bottom 11, and/or all or part of the area of the side 12, and the specific area of the surface layer 2 can be selected by manufacturers according to the position of temperature measurement required.

In some optional embodiments, the pot 1 further comprises a handle 13, and the handle 13 is connected with the pot 1 to facilitate manual operation of the pot 1.

Of course, the larger the area of the surface layer 2, the higher the production cost, so that the factors such as the area size, specific position and shape of the surface layer 2 can be selected to meet the requirement.

In alternative embodiments, facing layer 2 may be circular or square in shape, centered on bottom 11, and/or centered in the height of sides 12.

The surface layer 2 is selected to be round or square, the operation is simple, the process is easy to realize, and the surface layer has the characteristics of attractiveness and practicability.

The area of the surface layer 2 is selected to be at the central position of the bottom 11, so that the temperature measurement operation is simple, and the process flow during the production of the pot 1 is simplified.

Selecting the area of the facing 2 at the middle position in the height direction of the side portion 12 makes the temperature measuring operation simple and makes the operation simple when the pot 1 is produced.

In some alternative embodiments, the facing layer 2 is made of copper oxide high temperature paint, and is attached to the bottom 11 and/or the side 12 by a spraying process.

The material of the surface layer 2 is selected to be copper oxide high-temperature paint, wherein the highest working temperature of the copper oxide high-temperature paint is 1000 ℃, and the standard emissivity of the copper oxide high-temperature paint is larger than 0.9 and smaller than 1.

In some alternative embodiments, the standard emissivity of the copper oxide high temperature paint is 0.95.

The paint is sprayed by adopting a spraying process, the spraying can be carried out for multiple times, the spraying is required to be uniform every time, the first spraying is carried out on the surface of the pot 1, after at least 5 minutes, the paint surface is dried, and the second spraying process is carried out.

In practice, the number of paint applications will need to be selected according to the target thickness of the face layer 2.

In some alternative embodiments, the thickness of top layer 2 is 100 and 210 microns.

The thickness of the copper oxide high-temperature paint spraying is adopted, the thickness of each spraying is 30-50 microns, and the copper oxide high-temperature paint spraying can be carried out for 4-5 times to realize the thickness of the surface layer 2 of 100-200 microns.

In alternative embodiments, the facing 2 is of enamel and is applied to the bottom 11, and/or the side 12, by a powder-coating process.

The powder spraying process is adopted, so that the overall spraying of the outer surface of the cooker 1 is easier, the operation is simple, and the spraying effect is good.

By adopting the powder spraying process to adhere the enamel powder to the bottom part 11 and/or the side part 12 on the surface layer 2, the enamel powder on the surface layer 2 can be more uniform, the spraying efficiency is relatively higher, and the adhesion effect is improved.

In some alternative embodiments, the thickness of top layer 2 is 200 and 300 microns.

The powder spraying process can be performed once or multiple times, so that the surface layer 2 is uniform in thickness and smooth in surface.

In alternative embodiments, the facing 2 is a cast iron plate welded to the bottom 11, and/or the side 12.

Wherein the welding of the surface layer 2 to the bottom 11 may be performed by a fusion welding process, a brazing process or a diffusion welding process.

By welding the surface layer 2 to the bottom 11 using a cast iron plate, particularly to the bottom 11 and/or the side 12 using a brazing process or a diffusion welding process, the surface layer 2 and the bottom 11 and/or the side 12 can be welded into an integral structure, and the surface layer 2 is not easy to fall off.

Of course, other metal plates may be used to be welded to the pot 1 to achieve a standard emissivity area on the pot 1.

The value range of the standard emissivity is set to be 0.6-1.0, so that the temperature measurement effect is accurate.

Fig. 2 is a schematic structural diagram illustrating a cookware temperature measurement according to an exemplary embodiment, as shown in fig. 2, a temperature measuring device 3 is placed below a surface layer 2, and the field of view of the temperature measuring device 3 is entirely on the surface of the surface layer 2.

In some alternative embodiments, the radius R of face layer 2 is ≧ 1.05 × R + 1;

wherein R is the radius of face layer 2 in microns;

r is the radius of the field of view of the infrared temperature measuring device 3 in microns.

Wherein, take such formula relation with the radius of surface course 2 and infrared temperature measuring device 3's radius, can be so that infrared temperature measuring device 3 can have abundant adjustment space selection scope when the temperature measurement for infrared temperature measuring device 3's the visual field is all on surface course 2, guarantees to carry out temperature measurement's accuracy to surface course 2.

In some alternative embodiments, when the face layer 2 is square, its inscribed circle has a diameter Rs ≧ 1.05 × r + 1;

wherein Rs is the inscribed circle radius of face layer 2 in microns;

The surface layer 2 is designed to be square, and mainly for a square pot, the surface layer 2 is designed to be round as the view field of the infrared temperature measuring device 3 is round, so that the surface layer is the optimal choice.

In order to compare the size of the surface layer 2 with the view field range of the infrared temperature measuring device 3 when the surface layer 2 is square, the inscribed circle radius Rs of the surface layer 2 is introduced, the inscribed circle radius Rs and the view field radius of the infrared temperature measuring device 3 are introduced into the size relation, so that the view field range of the infrared temperature measuring device 3 can fall on the surface layer 2, the accuracy of temperature measurement of the temperature measuring device 3 is ensured, and the accurate control is performed according to the measured temperature.

Fig. 3 is a schematic structural diagram illustrating a temperature measurement of a pot according to an exemplary embodiment, and as shown in fig. 3, the temperature measuring device 3 vertically measures the temperature, wherein the gas stove 4 comprises a burner 41, a light through hole 42 and a baffle 43, and wherein the temperature measuring device 3 is located below the gas stove 4.

The burners 41 are circumferentially distributed along the upper surface of the gas range 4.

The light passing hole 42 is located at the center of the gas range 4, and a baffle 43 is provided thereon.

In some alternative embodiments, the material of the baffle 43 is transparent glass, for example, colorless.

In some alternative embodiments, the infrared temperature measuring device 3 is located right below the central position of the gas range 4, and forms an isosceles triangle shape with any two opposite end portions of the burner 41.

In some alternative embodiments, the height of the baffle 43 is flush with the cooktop surface.

Fig. 4 is a schematic structural view of a pot for measuring temperature according to another exemplary embodiment, as shown in fig. 4, the temperature measuring device 3 is disposed in an inclined manner with respect to the pot 1, and the connecting line of the temperature measuring device 3 and the temperature measuring field thereof is disposed in an inclined manner, and the included angle between the connecting line and the bottom 11 is an acute angle.

By adopting the arrangement mode, the arrangement mode of the temperature measuring device 3 can be diversified, the temperature of the surface layer 2 of the cooker 1 can be measured from other angles, and especially when the surface layer 2 is positioned on the side part 12 of the cooker 1, the temperature measuring device 3 can have larger installation space and operation space, so that the temperature measuring process is easier.

The present invention is not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. The cooker is characterized in that a surface layer with standard emissivity is arranged on the outer surface of the cooker.

2. The cookware according to claim 1, wherein said cookware comprises a bottom and a side;

3. The cookware according to claim 2, wherein said surface layer is circular or square and is located at the center of said bottom or at the middle of said side in height direction.

4. The cookware according to claim 2, wherein the surface layer is made of high temperature paint of copper oxide, and is adhered to the bottom and/or the side by spraying.

5. The cookware according to claim 4, wherein said spraying process comprises at least two spraying steps, wherein the time interval between two adjacent spraying steps is greater than 5 minutes.

6. The cookware of claim 5, wherein the thickness of the surface layer is 100-210 μm.

7. The cookware according to claim 2, wherein said surface layer is made of enamel and is adhered to said bottom and/or said side by powder coating.

8. The cookware of claim 7, wherein the thickness of said surface layer is 200-300 μm.

9. A cookware according to claim 2 wherein said facing is a cast iron plate welded to said bottom and/or said sides.

10. The cookware according to claim 1, wherein said standard emissivity is in the range of 0.6-1.0 with a tolerance of ± 0.05.