CN217488335U

CN217488335U - Infrared heating electric cooking pot

Info

Publication number: CN217488335U
Application number: CN202220253946.9U
Authority: CN
Inventors: 蔡绪荣; 陈记城
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-09-27
Anticipated expiration: 2032-01-29

Abstract

The utility model discloses an infrared heating's culinary art electric pot, including casing, infrared heating body and inner bag, infrared heating body inlays and puts in the casing bottom, and the inner bag liftoff placing on infrared heating body of liftoff. The utility model discloses an use infrared heating body to heat, need not only infrared heating body and inner bag bottom complete contact just can normally work and its heat energy of make full use of, infrared heating body can effectively heat the inner bag of any material in addition, can be applicable to the inner bag of materials such as metal, glass, pottery, and infrared heating body can improve the rate of being heated of electric pot, makes the electric pot be heated more evenly, can reduce the electric pot fault rate.

Description

Infrared heating electric cooking pot

Technical Field

The application relates to the technical field of household appliances, in particular to an infrared heating electric cooking pot.

Background

As a household appliance which is very popular in the present generation, an electric cooker such as an electric rice cooker or an electric pressure cooker is generally provided with an electric heating element at the bottom for heating, and the electric heating element includes an electric heating tube type heating plate and a p.t.c. element heating plate. The electric heating element is mostly a metal tube type, and is mostly cast in the aluminum heating plate, and the bottom of the inner container is heated by the heat generated by the heating plate. In order to make up the defects that a common flat-bottom heating plate is unevenly heated and generates heat slowly, the prior electric cookers adopt a three-dimensionally heated arc-shaped heating plate (a concave heating plate) to be matched with a spherical inner container to carry out surrounding type heating, the heating area is increased, the heating speed is increased along with the increase of the heating area, the heating is more uniform, but the structural failure rate is high, the concave heating plate is difficult to be completely attached to the spherical inner container, the heating plate can be effectively used only by being in complete contact with the bottom of the inner container, and poor contact can be caused when the heating plate or the inner container is slightly deformed, so that the normal work can not be realized or the heat efficiency is seriously wasted; and the traditional heating plate can be normally used only for the metal inner container.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present application provides an infrared heating electric cooking pot, which can increase the heating speed of the electric cooking pot and make the electric cooking pot heated more uniformly.

The utility model provides an infrared heating's culinary art electric pot, including casing, infrared heating body and inner bag, infrared heating body inlays and puts in the casing bottom, and the inner bag liftoff placing on infrared heating body.

Preferably, the infrared heating body is provided with a through hole, an induction element is arranged in the through hole, one end of the induction element is connected with the control circuit structure, and when the inner container is placed on the infrared heating body, the other end of the induction element is in contact with the inner container.

Preferably, the housing comprises a base and a cover plate, and the cover plate is provided with a key connected with the control circuit structure.

Preferably, the infrared heating body comprises an inner heating ring and an outer heating ring with different powers, and the inner heating ring and the outer heating ring are respectively connected with the control circuit structure.

Preferably, the keys include a heating mode key, which can control the inner heating ring and the outer heating ring to be respectively connected with and disconnected from the power supply by controlling the control circuit structure, so as to realize different heating modes.

Preferably, the keys comprise heating grade keys, and the heating grade keys achieve different heating grades by controlling the infrared heating body to access to the part of the control circuit structure.

Preferably, the housing is further provided with a heat dissipation port, and a heat dissipation fan is arranged at a position corresponding to the heat dissipation port.

Preferably, the electric cooking pot further comprises a metal panel, the metal panel is arranged between the infrared heating body and the inner container, and the metal panel is provided with a hollow structure.

Preferably, the cooking electric pan further comprises a heat radiation prevention metal cover which is an annular metal cover, the annular metal cover is arranged on the periphery of the metal panel in a surrounding mode, and the heat radiation prevention metal cover and the metal panel form a concave structure used for placing the inner container.

The utility model discloses an use infrared heating body to heat, need not only infrared heating body and inner bag bottom complete contact just can normally work and its heat energy of make full use of, infrared heating body can effectively heat the inner bag of any material in addition, can be applicable to the inner bag of materials such as metal, glass, pottery, and infrared heating body can improve the rate of being heated of electric pot, makes the electric pot be heated more evenly, can reduce the electric pot fault rate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is an exploded pictorial illustration of an embodiment of an infrared heated cooking pot as provided by an embodiment of the present application;

FIG. 2 is a schematic diagram of a structure of the electric cooking pot of FIG. 1;

FIG. 3 is a cross-sectional illustration of a partially assembled view of the cooking pot of FIG. 1;

fig. 4 is a schematic view of the infrared heating body of the cooking pot of fig. 1.

The attached drawings are as follows:

10-a housing; 11-a base; 111-a heat sink; 12-a cover plate; 13, pressing a key; 20-infrared heating body; 30-inner container; 40-an inductive element; 50-a heat dissipation fan; 60-a metal panel; 70-heat-releasing radiation metal cover.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "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 device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

The embodiment of the application discloses infrared heating's culinary art electric kettle, including casing 10, infrared heating body 20 and inner bag 30, infrared heating body 20 inlays and puts in the casing 10 bottom, and inner bag 30 is flat inner bag, and flat inner bag detachable is liftoff to be placed on infrared heating body 20. This application embodiment heats through using infrared heating body 20, not only need infrared heating body 20 and inner bag 30 bottom to contact completely just can normally work and make full use of its heat energy, and infrared heating body 20 can effectively heat the inner bag 30 of any material in addition, can be applicable to the inner bag 30 of materials such as metal, glass, pottery, and infrared heating body 20 can improve the rate of being heated of electric kettle, makes the electric kettle be heated more evenly, can reduce the electric kettle fault rate.

Referring to fig. 1, in the embodiment of the present application, an infrared heating electric cooking pot includes a housing 10, an infrared heating body 20 and an inner container 30, wherein the infrared heating body 20 is embedded at the bottom of the housing 10; the inner container 30 is detachably placed on the infrared heating body 20.

The infrared heating body 20 uses a resistance type heating technology, referring to fig. 4, the infrared heating body 20 uses a nickel-chromium wire to generate heat, the infrared heating body 20 can also use an iron-chromium heating sheet, which is a high-efficiency heating material, and is combined with a precise sectional tooth profile processing technology, so that the infrared heating body 20 can be heated and heated within 3 seconds, the thermal efficiency is high, and the infrared heating body is more energy-saving and environment-friendly. The nickel-chromium wire can emit infrared rays when generating heat, and infrared radiation does not need to contact products and transfer media; the infrared heating body can be accurately matched with the heated material, namely, the infrared heating body is effectively absorbed by the material; when heating, uniform heating can be realized, and continuous small fire heating can be performed.

Referring to fig. 3, the infrared heating body 20 is provided with a through hole, a sensing element 40 is disposed in the through hole, one end of the sensing element 40 is connected to the control circuit structure, and when the inner container 30 is placed on the infrared heating body 20, the other end of the sensing element 40 contacts the inner container 30. The infrared heating body 20 can be controlled to the control circuit structure, and when sensing element 40 sensed inner bag 30, the infrared heating body 20 of control circuit structure control can heat, if sensing element 40 does not sense inner bag 30, when inner bag 30 did not place on infrared heating body 20 promptly, even if open switch, infrared heating body 20 also can not heat. Therefore, the user can be prevented from being scalded by touching the infrared heating body 20 by mistake, and the use safety of the user can be guaranteed. Generally, the sensing element 40 is a pressure sensor, which is composed of a pressure sensing element and a signal processing unit, and has wide application, low price and high accuracy.

Referring to fig. 1 and 2, the housing 10 includes a base 11 and a cover 12, and the cover 12 is provided with a key 13 connected to a control circuit structure. Referring to fig. 1, in one particular embodiment, the control circuit structure may be provided in the form of a control circuit board in the cover plate 12; the housing 10 further includes a housing body, and the housing body, the base 11 and the cover 12 may be detachably coupled by a snap structure, so that cleaning and maintenance may be facilitated. The housing 10 may be made of steel, aluminum and steel, or may be made of inexpensive plastic material, and may be manufactured by an integral injection molding process, so as to reduce the processing cost.

In a specific embodiment, the infrared heating body 20 includes an inner heating ring and an outer heating ring with different powers, and the inner heating ring and the outer heating ring are respectively connected with the control circuit structure.

In one specific implementation, the key 13 includes a heating mode key, which can control the inner heating ring and the outer heating ring to be respectively connected with and disconnected from the power supply through a control circuit structure, so as to realize different heating modes. The two heating rings can make the electric cooker generate three heating modes, namely a single inner ring heating mode, a single outer ring heating mode and a double ring heating mode. The power of the inner heating ring and the power of the outer heating ring are different, in one embodiment, the power of the inner heating ring can be set to be larger than that of the outer heating ring, and a single inner ring heating mode can be set to be a heat preservation mode.

In the embodiment of the application, a temperature sensing element and a pressure sensing element can be arranged in the pot, and a control circuit structure is arranged to be connected with a microcomputer, so that the heating mode and the heating grade of the electric pot are automatically controlled, and different heating functions are realized. For example, when the rice cooker is used for cooking rice, the electric cooker is controlled to be in a heating mode, when the temperature sensing element senses that the temperature in the cooker reaches about 103 ℃, the electric cooker is controlled to be powered off, and when the temperature is reduced to 65 ℃, the electric cooker is heated again. For another example, when the pressure sensing element senses that the pressure in the cooker exceeds a preset pressure limiting value, the electric cooker is automatically powered off, and is reheated after the pressure is reduced, so as to ensure that the pressure in the cooker is kept within a certain range, and accordingly, the cover plate 12 can be provided with a pressure limiting valve.

In a specific embodiment, the keys 13 comprise heating level keys, which are used for controlling the infrared heating body to access parts of the control circuit structure so as to achieve different heating levels. In another embodiment, a knob may be used as a heating level button, thereby achieving a stepless adjustment of the heating power.

Referring to fig. 2, in the embodiment of the present application, the housing 10 is further provided with a heat dissipation opening 111, and a heat dissipation fan 50 is disposed at a position corresponding to the heat dissipation opening 111. The heat dissipation fan 50 may be connected to the control circuit structure, and in one embodiment, the heat dissipation fan 50 is turned on when the temperature sensing element senses that the temperature in the pan is high, thereby protecting the circuit structure in the housing 10.

Referring to fig. 3, the electric cooking pot further includes a metal panel 60, the metal panel 60 is disposed between the infrared heater 20 and the inner container 30, and the metal panel 60 is provided with a hollow structure. When the user uses the electric ceramic oven, the metal panel 60 can prevent the user from directly contacting the heating element, thereby avoiding scalding and protecting the personal safety of the user. The hollow structure can improve the heat transfer efficiency, thereby saving electric energy. In addition, the hollow structure can save materials. In order to protect the use safety of users, the size of the hollowed-out area is not too large. In a specific embodiment, the local minimum area of the hollow part is based on the standard that a small finger with a standard size cannot pass through, so that the user is prevented from contacting the heating element, and the use safety is ensured.

Referring to fig. 3, the electric cooking pan further includes a heat radiation preventing metal cover 70, the heat radiation preventing metal cover 70 is an annular metal cover, the annular metal cover 70 is disposed around the periphery of the metal panel 60, and the heat radiation preventing metal cover 70 and the metal panel 60 form a concave structure for placing the inner container 30. The provision of the heat radiation prevention metal cover 70 can reduce heat radiation, improve heating efficiency, and save electric power. When the heat radiation preventing metal cover 70 is used, the heat radiation preventing metal cover 70, which is transferred, may further transfer heat to the inner container 30. Thereby more fully utilizing the heat collected by the heat-radiation-proof metal cover 70.

The infrared heating electric cooking pot provided by the embodiment of the application is described in detail, the principle and the embodiment of the application are explained by applying specific examples, and the description of the embodiment is only used for helping to understand the method and the core idea of the application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. An infrared heating electric cooking pot is characterized by comprising a shell, an infrared heating body and an inner container, wherein the infrared heating body is embedded at the bottom of the shell; the inner container is detachably arranged on the infrared heating body; the infrared heating body is provided with a through hole, an induction element is arranged in the through hole, one end of the induction element is connected with the control circuit structure, and when the inner container is placed on the infrared heating body, the other end of the induction element is in contact with the inner container; the shell comprises a base and a cover plate, and the cover plate is provided with a key connected with the control circuit structure.

2. The infrared heating electric cooking pot as claimed in claim 1, wherein the infrared heating body comprises an inner heating ring and an outer heating ring with different powers, and the inner heating ring and the outer heating ring are respectively connected with the control circuit structure.

3. The infrared heating electric cooking pot as claimed in claim 2, wherein the button comprises a heating mode button, and the heating mode button can control the inner heating ring and the outer heating ring to be respectively connected with and disconnected from the power supply by controlling the control circuit structure, thereby realizing different heating modes.

4. The infrared heating electric cooking pot as claimed in claim 1, wherein the key comprises a heating level key, and the heating level key achieves different heating levels by controlling the infrared heating body to be connected to the part of the control circuit structure.

5. The infrared heating electric cooking pot as claimed in claim 1, wherein the housing is further provided with a heat dissipating port, and a heat dissipating fan is disposed at a position corresponding to the heat dissipating port.

6. The infrared heating electric cooking pot as claimed in claim 1, further comprising a metal panel, wherein the metal panel is disposed between the infrared heating body and the inner container, and the metal panel is provided with a hollow structure.

7. The infrared heating electric cooking pot as claimed in claim 6, further comprising a heat radiation preventing metal cover, wherein the heat radiation preventing metal cover is an annular metal cover, the annular metal cover is arranged around the periphery of the metal panel, and the heat radiation preventing metal cover and the metal panel form a concave structure for placing the inner container.