CN211883446U

CN211883446U - Temperature sensing container and cooking utensil

Info

Publication number: CN211883446U
Application number: CN202020298617.7U
Authority: CN
Inventors: 谢勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-11-10
Anticipated expiration: 2030-03-09

Abstract

In one aspect of the disclosure, a temperature sensing container includes: the container body, the thermocouple wire and the pressing plate sintered on the outer surface of the container body, and the glass powder used for sintering and fixing the thermocouple wire and the pressing plate; another aspect of the present disclosure is a cooking apparatus, comprising: the temperature sensing container is arranged on the device body, and the thermocouple wire and the electric heating disk which are arranged in the device body and sintered on the temperature sensing container are electrically connected with the main board; the invention has the advantages that the problems of the existing measurement and control technology or the related technology when the non-metal container is used for cooking appliances are effectively solved, and the non-toxic and pollution-free non-metal container can be more widely applied to the cooking appliances, so that the purchase demand of users on healthy cooking appliances is greatly met.

Description

Temperature sensing container and cooking utensil

Technical Field

The invention relates to the technical field of kitchen utensils, in particular to a temperature sensing container and a cooking utensil.

Background

Along with the continuous improvement of living standard of people, the demand for healthy and environment-friendly nonmetal cooking appliances is stronger, a cooking appliance adopting a nonmetal container is foreseen and becomes the next growth point of the sale of the cooking appliance, but the cooking appliance adopting the complete nonmetal container is influenced by the heat conductivity coefficient of a nonmetal material, and the container does not have the temperature detection capability, but the traditional temperature detection technology is used for measuring and controlling the cooking, so that the defects of serious delay of temperature detection response, no universality and representativeness of detection temperature and inaccurate and unreliable detection data exist, the function setting of the appliance is limited, the cooking performance is unstable, and the like are more dangerous.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To achieve the above object, an aspect of the present invention is to provide a temperature sensing container, and another aspect is to provide a cooking appliance.

In one aspect of the present invention, a temperature sensing container includes:

the container body, the thermocouple wire and the pressing plate sintered on the outer surface of the container body, and the glass powder used for sintering and fixing the thermocouple wire and the pressing plate;

a container body: the container body is made of non-metal material and is provided with a concave vessel for containing a heating object;

thermocouple wires: the thermocouple wires are two metal and/or alloy metal wires, one end of each metal and/or alloy metal wire is reliably welded, and the other end of each metal and/or alloy metal wire is open and can generate thermal trauma;

pressing a plate: the pressing plate is made of non-metal materials and is used for covering and pressing the thermocouple wires, enhancing the fixed connection between the thermocouple wires and the container body and reducing the influence of heat radiation on the thermocouple wires;

glass powder: the glass powder is inorganic shaped hard particle powder, and can form a glass homogeneous body with a disordered structure after high-temperature solid-phase reaction.

Further, the temperature sensing container is characterized in that: the thermocouple wires are arranged on the outer surface of the bottom of an inverted container body with the wall thickness of more than 1.5mm, then glass powder and only cover the welding position of the thermocouple wires, or the thermocouple wires are covered and pressed by multiple points in sections, or the thermocouple wires are covered and pressed integrally, after the thermocouple wires are arranged on the container body and the thermocouple wires in a laminated mode, the container body with the thermocouple wires, the glass powder and the pressing plate arranged is further arranged, the whole container body is placed in a high-temperature furnace and sintered at the temperature of more than 390 ℃, so that the thermocouple wires, the pressing plate, the glass powder and the container body are firmly fused into a whole, the thermocouple wires are arranged between the container body and the pressing plate, and the temperature of the container body can be directly sensed and detected.

In one aspect of the present invention, an additional technical solution of the temperature sensing container is:

the container body is made of single glass or ceramic or made of composite material of glass and ceramic.

The bottom surface of the container body is not processed, or is sanded by a chemical or mechanical method.

The pressing plate is an arc-shaped strip-shaped device, or a strip-shaped or plate-shaped device which is in clearance fit or transition fit with the thermocouple wire and is provided with a wire slot, or a strip-shaped or plate-shaped device without the wire slot.

Another aspect of the present invention is a technical solution, including: the temperature sensing container is arranged on the device body, and the thermocouple wire and the electric heating disk which are arranged in the device body and sintered on the temperature sensing container are electrically connected with the main board.

Further, the cooking utensil is characterized by comprising: an electric kettle, a health preserving kettle, a wall breaking machine, an electric cooker, an electric steamer, an electric chafing dish, an electric stewpot, an electric pressure cooker, an air fryer, a deep fryer and an electric heating multipurpose pot.

Furthermore, the cooking utensil is characterized in that on one hand, any one of the temperature sensing container and the utensil body is fixedly connected in an integrated mode, a thermocouple wire and an electric heating plate which are sintered on the temperature sensing container are electrically connected with the main board, after the utensil enters a cooking state, the main board is electrically connected with the open end of the thermocouple wire to obtain a thermoelectromotive force signal converted by a real-time temperature signal, and the utensil can realize intelligent control and dry burning prevention protection of cooking according to different thermoelectromotive force signals and internal programs of the main board.

The invention has the advantages that the problems of the existing measurement and control technology or the related technology when the non-metal container is used for cooking appliances are effectively solved, and the non-toxic and pollution-free non-metal container can be more widely applied to the cooking appliances, so that the purchase demand of users on healthy cooking appliances is greatly met. Additional effects will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is an axial schematic view of a temperature sensitive container of an embodiment;

FIG. 2 is an axially exploded schematic view of the temperature sensitive container of the embodiment;

FIG. 3 is a cross-sectional schematic view of a temperature sensitive container of an embodiment;

FIG. 4 is a comprehensive schematic view of an embodiment arcuate strip platen;

FIG. 5 is a comprehensive schematic view of a strip-shaped pressing plate provided with a wire groove according to the embodiment;

FIG. 6 is an isometric exploded schematic view of an embodiment cooking appliance;

fig. 7 is a cross-sectional schematic view of an embodiment cooking appliance.

Reference numerals: 2. a device body; 21. an electric hot plate; 22. a main board; 3. a temperature sensing container; 31. a container body; 32. glass powder; 33. pressing a plate; 36. a thermocouple wire.

The specific implementation mode is as follows:

embodiments of the invention will now be described in detail with reference to the drawings, wherein like reference numerals designate identical or similar elements or elements having identical or similar functions. The following examples are illustrative only for the purpose of illustrating the present invention and are not to be construed as simply limiting the invention.

The description of the invention refers to conceptual illustrations. Fixedly connecting: the connecting mode is that one part is reliably and firmly fixed on the other part by adopting a mechanical mode or process; dry burning prevention protection: means a method or a measure which can effectively solve the problems of overheating damage and the like of the container and the appliance caused by continuous heating in a dry state; electrical connection: it refers to the collection of all electrical circuits in an electrical product, including power connection parts such as power plugs, power terminals, etc., power lines, internal wires, internal connection parts, etc., and electrical connection in a narrow sense refers to all ways of connecting different conductors inside the product. The terms "strip," "plate," "arc," "sand," "grit number," and the like are to be construed broadly based on the prior art and in conjunction with the description herein, unless otherwise expressly specified or limited. Therefore, the meanings of the above-mentioned nouns and terms in the present invention can be understood according to specific situations by those skilled in the art.

A temperature sensitive container (3) of one aspect of the present invention, and a cooking appliance of another aspect of the present invention will be described with reference to fig. 1 to 7.

As shown in fig. 1 to 5, a temperature sensing container (3) according to one aspect of the present invention includes: the container body (31), the thermocouple wires (36) and the pressing plates (33) which are sintered on the outer surface of the container body (31), and the glass powder (32) used for sintering and fixing the thermocouple wires (36) and the pressing plates (33), wherein the further simplified scheme is that the thermocouple wires (36) are directly sintered on the container body (31) by the glass powder (32).

The container body (31), the said container body (31) is made of single glass or pottery, or by glass and ceramic compound non-metallic material, the minimum wall thickness is above 1.5mm, have concave type utensils to contain heating object; further, the bottom surface of the container body (31) does not need any treatment if the original style of the material of the container body (31) is maintained, if the sintered glass powder (32) is subjected to sanding treatment by using a chemical or mechanical method, if the appearance effect is improved, or coating treatment is performed; when the container body (31) is made of glass, the technical scheme of sanding the outer side of the bottom of the container body (31) is preferably selected from the aspects of sintering adhesive force of the thermocouple wire (36), the pressing plate (33) and the container body (31) and preventing a user from visually seeing parts in the appliance, and the sanding size can be adjusted by using the sanding number due to the adhesive force after sanding and the perspective.

The thermocouple wire (36) is two K, S, E, N, J, T, R type metal and/or alloy metal wires with one end reliably welded and the other end opened, which can generate thermal trauma, and the K type thermocouple wire (36) with the wire diameter of less than 1.0mm is preferably used in consideration of the detection temperature range, the cost and the service life of the cooking utensil and the physical and mechanical characteristics of the thermocouple wire (36).

The pressing plate (33), the said pressing plate (33) is a single glass, non-metallic material of ceramic, or the arcuate strip-shaped device made of multiple non-metallic composite materials, or there is strip-shaped or platelike device that presents the clearance fit or transition fit wire chase with the diameter of the thermocouple wire (36), or the strip-shaped or platelike device without wire chase, the said pressing plate (33) is mainly used for covering and pressing the thermocouple wire (36), strengthen the adhesion force and intensity after sintering with container body (31) of the thermocouple wire (36), cover the thermocouple wire (36) at the same time, especially the welding end (known technology is called as working end or hot end) of the thermocouple wire (36), in order to reduce and adopt the heat radiation heat source (such as electric ceramic oven hot plate, optical wave tube), the adverse effect that the heat radiation carries on temperature detection of the thermocouple wire (36) produces; further, in order to ensure the stability and the manufacturability of the production when the pressing plate (33) is arranged and effectively block the influence of heat radiation on the thermocouple wires (36), the shape of the pressing plate (33) is preferably an arc strip or a strip provided with wire grooves.

The glass powder (32) is inorganic shaped hard particle powder which can sinter or weld nonmetal and nonmetal, nonmetal and metal, and the used raw materials in the production are uniformly mixed electronic grade raw materials such as PbO, SiO2, TiO2 and the like, and then are subjected to solid phase reaction at high temperature to form a homogeneous glass body with stable chemical properties and disordered structure; furthermore, low-temperature melting glass powder is preferred in practical application, and because the low-melting glass powder has lower melting temperature and sealing temperature, good heat resistance and chemical stability and higher mechanical strength, mutual sealing among glass, ceramics, metal and semiconductors can be realized, and simultaneously, deformation of the container body (31) caused by overhigh sintering temperature can be avoided.

Further, the temperature sensing container (3) is characterized in that: after the thermocouple wires (36) are arranged on the bottom outer surface of an inverted container body (31) with the wall thickness of more than 1.5mm, a proper amount of glass powder (32) is stacked in a local area or the whole range of the thermocouple wires (36), the welding positions of the thermocouple wires (36) are covered and pressed by only a cover, or the thermocouple wires (36) are covered and pressed by multiple points in sections, or a pressing plate (33) of the thermocouple wires (36) is covered and pressed integrally, the thermocouple wires (36) are covered and pressed, when the pressing plate (33) only covers and presses the local parts of the thermocouple wires (36), the pressing plate (33) is overlapped on the thermocouple wires (36) and the glass powder (32), and the glass powder (32) is stacked on the pressing plate (33) again to form the container body (31), the thermocouple wires (36), the glass powder (32), the pressing plate (33) and the glass powder (32), and the container body (31) with the thermocouple wires (36), the glass powder (32) and the pressing plate (33) further arranged, the whole body is placed in a high-temperature furnace and sintered at the temperature of more than 390 ℃, so that the thermocouple wires (36), the pressing plate (33) and the container body (31) are firmly fused into a whole body through the glass powder (32) and are positioned between the container body (31) and the pressing plate (33), and the thermocouple wires (36) wholly or partially and tightly wrapped by the glass powder (32) and the pressing plate (33) can directly sense and detect the temperature of the container body (31).

Further, the temperature sensing container (3) preferably has the technical scheme that: after the thermocouple wires (36) are arranged on the outer surface of the bottom of an inverted container body (31), a proper amount of glass powder (32) is respectively stacked at the welding position of the thermocouple wires (36) and the far end away from the welding position, an arc-shaped strip-shaped pressing plate (33) is used for covering and pressing the welding position of the thermocouple wires (36), a strip-shaped pressing plate (33) with a wire groove is used for covering and pressing the far end of the thermocouple wires (36), the thermocouple wires (36) are ensured to be positioned in an arc-shaped cavity and the wire groove, after the glass powder (32) is stacked on the upper part of the whole pressing plate (33), the container body (31), the thermocouple wires (36), the glass powder (32), the pressing plate (33) and the glass powder (32) are integrally stacked and placed in a high-temperature furnace and sintered at the temperature of more than 390 ℃ for more than 5 minutes, so that the thermocouple wires (36) and the pressing plate (33) are fixed on the container body (31) through the, and the thermocouple wire (36) welding part (thermocouple temperature measuring key point) which is positioned between the container body (31) and the pressing plate (33) and is wholly and tightly wrapped by the glass powder (32) and the pressing plate (33), because of the application of the small-size pressing plate (33), on one hand, a local strengthening method is adopted, the firmness and the reliability of the welding part of the thermocouple wire (36) and the container body (31) which are integrated are enhanced, meanwhile, the welding part of the thermocouple wire (36) is covered by the pressing plate (33), the adverse influence of heat radiation on the temperature measurement of the welding part of the thermocouple wire (36) is effectively prevented, the precision, the speed and the consistency when the temperature of the container body (31) is sensed and detected are improved, and because of the miniaturization of the pressing plate (33), the material cost is reduced, the sintering time is shortened, and the production efficiency is improved.

As shown in fig. 6 and 7, a cooking appliance according to another aspect of the present invention includes: the temperature sensing container (3) is arranged on the device body (2), and the temperature sensing container is arranged in the device body (2), is electrically connected with a thermocouple wire (36) and an electric heating disc (21) sintered on the temperature sensing container (3) to control cooking, and is internally provided with a main board (22) of an IC and a program.

Furthermore, the cooking appliance is characterized in that on one hand, any one of the temperature sensing container (3) and the appliance body (2) is fixedly connected in an integrated manner, a thermocouple wire (36) and an electric heating disc (21) which are sintered on the temperature sensing container (3) are electrically connected with the main board (22), after the appliance enters a cooking state, the open end of the thermocouple wire (36) is electrically connected with the main board (22) to provide a thermal electromotive force signal converted from a real-time temperature signal for the main board (22), and the appliance can realize intelligent control and anti-dry-burning protection of cooking according to different thermal electromotive force signals and internal programs of the main board (22); specifically, the anti-dry heating protection of the embodiment is a method and a process that the main board (22) controls the use temperature of the container body (31) according to the self temperature provided by the temperature sensing container (3) and does not exceed the damage temperature of the container body (31).

Claims

1. A temperature-sensitive container, comprising:

2. A temperature-sensitive container according to claim 1, wherein: with thermocouple wire, glass powder, only the lid presses the welding department of thermocouple wire, or segmentation multiple spot lid presses thermocouple wire, or again or whole lid presses the clamp plate of thermocouple wire, set up respectively behind the bottom outward appearance of the container body, wholly carries out the sintering through the temperature more than 390 ℃, makes thermocouple wire, clamp plate, glass powder, container body fuse as an organic whole, and is in between the container body and the clamp plate, wholly or the thermocouple wire of local by glass powder and clamp plate parcel, but direct perception, the temperature of the detection container body.

3. A temperature-sensitive container according to claim 1, wherein: the container body is made of single glass or ceramic or made of composite material of glass and ceramic.

4. A temperature-sensitive container according to claim 1, wherein: the bottom surface of the container body is not processed, or is sanded by a chemical or mechanical method.

5. A temperature-sensitive container according to claim 1, wherein: the pressing plate is an arc-shaped strip-shaped device, or a strip-shaped or plate-shaped device which is in clearance fit or transition fit with the thermocouple wire and is provided with a wire slot, or a strip-shaped or plate-shaped device without the wire slot.

6. A cooking appliance, comprising: a temperature-sensing container as claimed in any one of claims 1 to 5 mounted on a body of the appliance, and a main plate mounted in the body of the appliance, electrically connected to the thermocouple wires and the electric heating plate sintered on the temperature-sensing container.

7. The cooking appliance of claim 6, comprising: an electric kettle, a health preserving kettle, a wall breaking machine, an electric cooker, an electric steamer, an electric chafing dish, an electric stewpot, an electric pressure cooker, an air fryer, a deep fryer and an electric heating multipurpose pot.

8. The cooking utensil of claim 6, wherein the temperature-sensing container of any one of claims 1 to 5 is fixedly connected with the body in an integrated manner, the thermocouple wire and the electric heating plate sintered on the temperature-sensing container are electrically connected with the main board, when the cooking utensil is in a cooking state, the main board is electrically connected with the open end of the thermocouple wire to obtain a thermoelectromotive force signal converted by a real-time temperature signal, and the cooking utensil can realize intelligent control and dry-burning prevention protection of cooking according to different thermoelectromotive force signals and a program built in the main board.