CN113545652A - Cooking utensil using thermocouple to measure temperature - Google Patents
Cooking utensil using thermocouple to measure temperature Download PDFInfo
- Publication number
- CN113545652A CN113545652A CN202010336288.5A CN202010336288A CN113545652A CN 113545652 A CN113545652 A CN 113545652A CN 202010336288 A CN202010336288 A CN 202010336288A CN 113545652 A CN113545652 A CN 113545652A
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- China
- Prior art keywords
- container
- thermocouple
- electric
- base
- outer side
- Prior art date
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21041—Water-boiling vessels, e.g. kettles electrically heated with heating elements arranged outside the water vessel
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
- A47J36/04—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1204—Deep fat fryers, e.g. for frying fish or chips for domestic use
- A47J37/1209—Deep fat fryers, e.g. for frying fish or chips for domestic use electrically heated
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J2202/00—Devices having temperature indicating means
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cookers (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a cooking utensil for measuring temperature by a thermocouple, which is characterized by comprising: the base, the container in fixed connection with the base, the electric heating plate arranged in the base and attached to the outer side of the bottom of the container, and the thermocouple wire which fixes the welding end at the outer side of the bottom of the container and electrically connects the open end with the main board to form a thermocouple; the invention has the advantages that the technical scheme has the characteristics of high heat efficiency, simple structure and process, low production cost, synchronous temperature detection and container temperature change and the like, effectively solves the problems of the existing cooking appliance integrally using the non-metal container, the temperature detection technology or the related technology, and also enables the non-metal container which is environment-friendly, non-toxic and pollution-free to be more widely applied to the cooking appliance, thereby greatly meeting the purchase demand of users on the healthy cooking appliance.
Description
Technical Field
The invention relates to the technical field of kitchen utensils, in particular to a cooking utensil which integrally uses a non-metal container and utilizes a thermocouple formed by a thermocouple wire and a main board to measure temperature.
Background
Along with the continuous improvement of people's standard of living, foresee the cooking utensil of wholly adopting non-metallic container, will become the next growth point that cooking utensil sells, nevertheless receive non-metallic material coefficient of heat conductivity's influence, current cooking utensil of wholly adopting non-metallic container, there is temperature detection response serious lag, the detection temperature does not have universality and representativeness, detect the insecure defect of data inaccuracy, not only cause the function setting of utensil to be restricted, problem such as cooking performance unstability, it is more dangerous when the container takes place anhydrous dry combustion method, the container is very easy to take place the damage fracture, and then cause loss of property and personal injury accident.
Disclosure of Invention
The invention aims to at least solve one of the technical problems of the existing cooking utensil integrally using a non-metal container, a temperature detection technology or the related technology.
In order to achieve the above object, the present invention provides a cooking appliance using a thermocouple for measuring temperature, comprising:
the base, the container in fixed connection with the base, the electric heating plate arranged in the base and attached to the outer side of the bottom of the container, and the thermocouple wire which fixes the welding end at the outer side of the bottom of the container and electrically connects the open end with the main board to form a thermocouple;
base: a table top for placing and fixing a container is arranged above the base, a support for installing a heating disc is arranged in the base, and a through hole for the heating disc to pass through is formed in the middle of the table top;
a container: the container is made of non-metal material and is provided with a concave vessel for containing a heating object;
electric hot plate: the heating plate consists of a concave shell, a concave heat insulation piece embedded in the shell, an electric heating piece fixed in the cavity of the heat insulation piece, a port arranged on the outer side of the shell and a bracket;
mainboard: the main board is a device which is composed of electronic elements, an IC, an operational amplifier and ports which are electrically connected with the PCB and is provided with signal processing, instruction transmission and cooking control;
thermocouple wires: the thermocouple wire is composed of a welding end and an open end, and can generate two metal and/or alloy metal wires of thermal wound.
Furthermore, the cooking utensil for measuring the temperature by the thermocouple is characterized in that the base is fixedly connected with the container which is integrally made of non-metallic materials in an integrated manner, when the electric heating tray is arranged in the base through the support by adopting a detachable rigid or elastic support, the top surface of a heat insulation part of the electric heating tray is well attached to the outer side of the bottom of the container, a concave cavity of the heat insulation part and the bottom of the container form an electric heating exchange cavity with high heat efficiency and good heat insulation effect which acts on the container by heat radiation, and by means of the container, the electric heating tray or other structural parts, a thermocouple wire welding end fixed on the outer side of the bottom of the container in a rigid or elastic mounting mode is positioned in the electric heating exchange cavity, or between the binding surfaces of the heat insulation piece and the container, the open end of the thermocouple wire is led out from between the binding surfaces of the heat insulation piece and the container, or the electric heating plate is led out from the bottom or the side surface of the electric heating plate through the heat insulation piece and the shell and is electrically connected with the main board to form a thermocouple capable of detecting temperature.
Further, the cooking utensil for measuring temperature by using the thermocouple 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 air fryer, a deep fryer and an electric heating multipurpose pot.
The invention adopts the following additional technical scheme:
the electric heating element is an electric heating wire or a light wave tube.
The invention has the advantages that the technical scheme has the characteristics of high heat efficiency, simple structure and process, low production cost, synchronous temperature detection and container temperature change and the like, effectively solves the problems of the existing cooking appliance integrally using the non-metal container, the temperature detection technology or the related technology, and also enables the non-metal container which is environment-friendly, non-toxic and pollution-free to be more widely applied to the cooking appliance, thereby greatly meeting the purchase demand of users on the healthy cooking appliance. 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 a cross-sectional view of an embodiment cooking appliance;
FIG. 2 is an isometric exploded view of an embodiment cooking appliance;
FIG. 3 is a sectional view of the open end of the thermocouple wire of the embodiment taken out from the bonding surface between the container and the electric hot plate;
FIG. 4 is an isometric view of an embodiment thermocouple wire secured to the outside of the bottom of a container;
reference numerals: 3. a main board; 5. a base; 51. a groove; 6. a container; 7. an electric hot plate; 71. a top surface of the insulation; 8. a thermocouple wire; 81. welding the end; 82. an open end; 100. an electric heat exchange cavity; 101. and (6) a binding surface.
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. 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 "signal processing," "command transmission," "cooking control," "rigid," "flexible," "fixed," "removable," and the like are to be construed broadly based on the known 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.
An embodiment of the present invention, a cooking appliance measuring temperature using a thermocouple according to the present invention will be described with reference to fig. 1 to 4.
The technical scheme of the invention is that the cooking utensil for measuring temperature by using the thermocouple is characterized by comprising the following components:
the base (5) shown in fig. 1 to 2 is connected with the base (5) through glue or a fastener, the container (6) is fixedly connected with the base (5) in an integrated mode, the electric heating plate (7) is installed in the base (5) in a detachable rigid or elastic structure and is well attached to the outer side of the bottom of the container (6), a welding end (81) is fixed to the outer side of the bottom of the container (6) in a sintering, welding, bonding, screw fastening, part clamping and spring pressing mode, and an open end (82) is electrically connected with a main board (3) to form a thermocouple wire (8) of a thermocouple.
The base (5) is used for installing and fixing a container (6) and an electric heating disc (7) as shown in fig. 1-2, and is a structural part made of plastic materials, wherein the plastic materials are preferably PBT, PET or PA + 20% glass fibers so as to improve the heat resistance and the flame resistance of the base (5), a concave or planar table top used for placing and fixing the container (6) is arranged above the base (5), a screw and/or a spiral spring is arranged inside the base (5), a support for supporting and installing the electric heating disc (7) is utilized by a support, and further, when the container (6) and the base (5) are fixedly bonded by glue, the upper surface of the table top is also provided with an annular groove (51) used for storing the glue and improving the bonding strength.
And a container (6), wherein the container (6) is a concave vessel which has a wall thickness of more than 1.5mm and is integrally made of glass, ceramic or a non-metallic material formed by compounding glass and ceramic and is used for containing a heating object.
The electric heating plate (7), the electric heating plate (7) is by the concave metal casing, inlays the nonmetal heat insulating part of concave in the shell, fixes to be the heating wire in the heat insulating part cavity, or the electric heating part of light wave pipe, installs the port and the support of shell outside and constitutes, can convert the electric energy into the device that heat energy acted on container (6) with the heat radiation, and further, from the perspective of raising the thermal efficiency and manufacturing cost, adopt the heating wire as the electric heating part sexual valence relative height.
The thermocouple wire (8) is composed of a welding end (81) with one end reliably welded by butt welding, spot welding and fusion welding and an open end (82) with the other end in an open shape for facilitating electrical connection, can generate two K, S, E, N, J, T, R type metal and/or alloy metal wires with the functions of thermal wound oxidation resistance and corrosion resistance, and preferably uses a K type thermocouple wire (8) with the wire diameter of less than 1.0mm from the comprehensive consideration of the detection temperature range, cost and service life of a cooking utensil and the physical and mechanical characteristics of the thermocouple wire (8).
The main board (3), the said main board (3) is by the electronic component that the electric connection is on PCB board, IC, operational amplifier (such as LM308 operational amplifier) and port make up, possess a plurality of different electric units, have signal processing, device of instruction transmission, cooking control, the said operational amplifier is used for dealing with the thermocouple wire (8) and giving up the important device of the thermocouple, and the function, function and structural relation of the main board (3) and other electric components, belong to the known technology of the cooking utensil of electronic control type, so do not do more and describe.
Furthermore, the cooking utensil for measuring the temperature by the thermocouple is characterized in that glue is coated and injected into a groove (51) on the upper edge of the concave table top of the base (5), a container (6) which is made of non-metallic material and has a wall thickness of more than 1.5mm, is bonded with the base (5) until the glue is solidified, the base (5) and the container (6) form an integral fixed connection, when the electric heating plate (7) is arranged in the base (5) through the support and the support column in the base (5) by adopting the detachable rigid support of the screw or the detachable elastic support of the spiral spring, the top surface (71) of a heat insulation part of the electric heating disc (7) is well attached to the outer side of the bottom of the container (6), the concave cavity of the heat insulation part and the bottom of the container (6) form an electric heat exchange cavity (100) which has high heat exchange efficiency, uniform temperature distribution and good heat insulation effect and acts on the container (6) by heat radiation; the welding end (81) of the thermocouple wire (8) directly fixed on the outer side of the bottom of the container (6) by adopting a rigid structure mode of sintering, welding, bonding or screw fastening, or indirectly fixed on the welding end (81) of the thermocouple wire (8) on the outer side of the bottom of the container (6) by using a spring and an auxiliary part in an elastic compression structure mode by taking an electric heating disc (7) and/or other structural parts as supports, or directly clamped and fixed on the welding end (81) of the thermocouple wire (8) on the binding surface (101) on the outer side of the bottom of the container (6) by the top surface (71) of the heat insulation part and the bottom of the container (6) and positioned in an electric heat exchange cavity (100) or between the heat insulation part and the binding surface (101) of the container (6), and the open end (82) of the thermocouple wire (8) is led out from the binding surface (101) of the heat insulation part and the container (6) or passes through a perforation arranged on the heat insulation part and a shell, the temperature sensor penetrates through the heat insulation piece and the shell and is led out from the bottom or the side surface of the electric heating disc (7), and after the temperature sensor is electrically connected with the main board (3), a temperature detection unit, namely a thermocouple, is formed through the operational amplifier and the set electric elements; because the welding end (81) of the thermocouple wire (8) is fixed at the bottom of the container (6), no intermediate part (such as an insulating layer wrapped outside the thermistor) for retarding heat transfer exists, particularly, the scheme of directly fixing the welding end (81) by sintering and/or welding is adopted, the welding end (81) (namely, a working end) of the container (6) and the welding end (81) of the thermocouple wire (8) are completely integrated, and the characteristics of different-temperature thermoelectricity of the thermocouple wire (8) and the temperature measurement advantages of the thermocouple are added, so that when the container (6) is subjected to tiny temperature change, corresponding temperature detection units on the main board (3) can quickly react and synchronize with the temperature detection units.
Further, the cooking utensil for measuring temperature by using the thermocouple 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 air fryer, a deep fryer and an electric heating multipurpose pot.
Claims (4)
1. A cooking appliance for measuring temperature with a thermocouple, comprising:
the base, the container in fixed connection with the base, the electric heating plate arranged in the base and attached to the outer side of the bottom of the container, and the thermocouple wire which fixes the welding end at the outer side of the bottom of the container and electrically connects the open end with the main board to form a thermocouple;
base: a table top for placing and fixing a container is arranged above the base, a support for installing a heating disc is arranged in the base, and a through hole for the heating disc to pass through is formed in the middle of the table top;
a container: the container is made of non-metal material and is provided with a concave vessel for containing a heating object;
electric hot plate: the heating plate consists of a concave shell, a concave heat insulation piece embedded in the shell, an electric heating piece fixed in the cavity of the heat insulation piece, a port arranged on the outer side of the shell and a bracket;
mainboard: the main board is composed of electronic elements, an IC, an operational amplifier and ports which are electrically connected with the PCB board, and is provided with devices for signal processing, instruction transmission and cooking control;
thermocouple wires: the thermocouple wire is composed of a welding end and an open end, and can generate two metal and/or alloy metal wires of thermal wound.
2. The cooking utensil of claim 1, wherein the base is fixedly connected to the non-metallic container in an inseparable manner, and when the hot plate is mounted to the base via the bracket, the top surface of the heat insulating member of the hot plate is attached to the outer side of the bottom of the container, the cavity of the heat insulating member forms an electric heat exchange chamber with the bottom of the container, the welding end of the thermocouple wire fixed to the outer side of the bottom of the container in a rigid or elastic mounting manner is located in the electric heat exchange chamber or between the heat insulating member and the attachment surface of the container, and the open end of the thermocouple wire is led out from between the attachment surface of the heat insulating member and the attachment surface of the container or from the bottom or the side surface of the hot plate through the heat insulating member and the case, and is electrically connected to the main board to form a thermocouple capable of detecting temperature.
3. The cooking appliance for measuring temperature by using a thermocouple as claimed in claim 1, 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 air fryer, a deep fryer and an electric heating multipurpose pot.
4. The cooking utensil of claim 1, wherein the electric heating element is a heating wire or a light wave tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010336288.5A CN113545652A (en) | 2020-04-20 | 2020-04-20 | Cooking utensil using thermocouple to measure temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010336288.5A CN113545652A (en) | 2020-04-20 | 2020-04-20 | Cooking utensil using thermocouple to measure temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113545652A true CN113545652A (en) | 2021-10-26 |
Family
ID=78129745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010336288.5A Withdrawn CN113545652A (en) | 2020-04-20 | 2020-04-20 | Cooking utensil using thermocouple to measure temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113545652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123450A1 (en) * | 2021-12-31 | 2023-07-06 | 深圳市华思旭科技有限公司 | Hot pot device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203468382U (en) * | 2013-06-14 | 2014-03-12 | 九阳股份有限公司 | Frying and baking machine with even heating |
| CN205514023U (en) * | 2016-07-07 | 2016-08-31 | 林碧灿 | Integral type electric heating appliance |
| CN106108610A (en) * | 2016-08-24 | 2016-11-16 | 新兴县先丰不锈钢制品有限公司 | A kind of temperature control Intelligent pan |
| CN209574348U (en) * | 2018-11-26 | 2019-11-05 | 梁志鹏 | A kind of cooking apparatus |
| US20200077838A1 (en) * | 2018-09-12 | 2020-03-12 | Haier Us Appliance Solutions, Inc. | Thermocouple for measuring cookware temperature |
-
2020
- 2020-04-20 CN CN202010336288.5A patent/CN113545652A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203468382U (en) * | 2013-06-14 | 2014-03-12 | 九阳股份有限公司 | Frying and baking machine with even heating |
| CN205514023U (en) * | 2016-07-07 | 2016-08-31 | 林碧灿 | Integral type electric heating appliance |
| CN106108610A (en) * | 2016-08-24 | 2016-11-16 | 新兴县先丰不锈钢制品有限公司 | A kind of temperature control Intelligent pan |
| US20200077838A1 (en) * | 2018-09-12 | 2020-03-12 | Haier Us Appliance Solutions, Inc. | Thermocouple for measuring cookware temperature |
| CN209574348U (en) * | 2018-11-26 | 2019-11-05 | 梁志鹏 | A kind of cooking apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123450A1 (en) * | 2021-12-31 | 2023-07-06 | 深圳市华思旭科技有限公司 | Hot pot device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211026 |
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| WW01 | Invention patent application withdrawn after publication |