CN220379745U

CN220379745U - Heating device and cooking utensil

Info

Publication number: CN220379745U
Application number: CN202321949761.2U
Authority: CN
Inventors: 江太阳; 刘志才; 孟宪昕; 刘化勇; 高文祥; 苏畅; 彭志伟; 莫业辉; 吴慧民; 陈德鑫
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2024-01-23
Anticipated expiration: 2033-07-21

Abstract

The utility model discloses a heating device and a cooking utensil, wherein the heating device comprises: the electromagnetic heating device comprises a shell, an electromagnetic heating assembly and an infrared heating assembly, wherein an installation cavity is formed in the shell; the electromagnetic heating component is arranged in the mounting cavity; the infrared heating component is arranged in the mounting cavity, is positioned above the electromagnetic heating component, and is at least partially overlapped with the electromagnetic heating component along the up-down direction; wherein, the bottom surface of the infrared heating component and the top surface of the electromagnetic heating component are overlapped to define a heat insulation cavity. According to the technical scheme provided by the utility model, the heat insulation cavity is arranged between the bottom surface of the infrared heating assembly and the top surface of the electromagnetic heating assembly, and air in the heat insulation cavity can have a better heat insulation effect, so that the temperature of the outer surface of the electromagnetic wire coil can be reduced on the premise that the thickness of the infrared oven plate is controlled within a certain range and on the premise that the distance from the electromagnetic heating assembly to the oven panel is not increased.

Description

Heating device and cooking utensil

Technical Field

The utility model relates to the technical field of cooking appliances, in particular to a heating device and a cooking appliance.

Background

The existing cooking utensil with mixed heating function generally has infrared stove dish and electromagnetic wire coil, and wherein infrared stove dish and electromagnetic wire coil overlap the setting from top to bottom, and wherein the up end of infrared stove dish needs to hug closely cooking utensil's kitchen face board to reach the purpose that reduces the heat and leak, and electromagnetic wire coil needs to be close to kitchen face board as far as possible simultaneously, so that increase electromagnetic wire coil and the electromagnetic coupling of kitchen ware bottom on the kitchen face board, realize higher performance electromagnetic heating, therefore electromagnetic wire coil generally closely pastes the infrared stove dish bottom setting of top.

When the infrared furnace plate is heated, the temperature of the furnace chamber is up to 600 ℃, and after the furnace chamber passes through the heat insulation bottom, the temperature of the outer side of the infrared furnace plate is still up to 150 ℃; if the outside of the infrared furnace tray is in large-area direct contact with the electromagnetic wire tray below, the electromagnetic wire tray bracket is easy to melt, or the insulating layer of the enameled wire is easy to age.

The temperature outside the infrared stove plate can be effectively reduced by increasing the thickness of the heat-insulating bottom of the infrared stove plate, but the electromagnetic wire coil is gradually far away from the stove panel along with the increase of the thickness of the heat-insulating bottom, so that the coupling with the bottom of the pan is poor, and the problem that needs to be solved by a person skilled in the art is how to reduce the temperature of the outer surface of the electromagnetic wire coil on the premise of controlling the thickness of the infrared stove plate within a certain range.

Disclosure of Invention

The utility model mainly aims to provide a heating device and a cooking utensil, and aims to reduce the temperature of the outer surface of an electromagnetic wire coil on the premise of controlling the thickness of an infrared stove plate within a certain range.

To achieve the above object, the present utility model provides a heating device, wherein the heating device includes:

a housing in which an installation cavity is formed;

an electromagnetic heating assembly mounted within the mounting cavity; the method comprises the steps of,

the infrared heating assembly is arranged in the mounting cavity, is positioned above the electromagnetic heating assembly, and is at least partially overlapped with the electromagnetic heating assembly along the up-down direction;

wherein, the bottom surface of the infrared heating component and the top surface of the electromagnetic heating component are overlapped to define a heat insulation cavity.

Optionally, a communication channel for communicating the heat insulation cavity and the installation cavity is formed on the peripheral side of the infrared heating assembly; and/or the number of the groups of groups,

the heat insulation cavities are formed in a plurality, and the heat insulation cavities are mutually communicated.

Optionally, the bottom area of the infrared heating component is M, and the area of the bottom surface partial concave part of the infrared heating component is M, wherein M is greater than 0.3M.

Optionally, a maximum distance of a distance between a bottom surface of the infrared heating assembly and the electromagnetic heating assembly is a, wherein a > 0.5mm.

Optionally, the infrared heating assembly includes a mounting body and an electric heating wire disposed at an upper end of the mounting body, wherein:

a groove is formed in the bottom of the mounting main body, and the groove defines the heat insulation cavity; and/or the number of the groups of groups,

the bottom of the installation main body is provided with a through hole which is arranged along the vertical through way, and the through hole defines the heat insulation cavity.

Optionally, the installation main body includes installation frame and installing support, the installation frame is used for installing the heating wire, the installing support set up in the below of heating wire, the installing support has seted up recess and/or the through-hole, recess and/or the through-hole defines thermal-insulated chamber.

Optionally, the mounting body includes a first heat shield, the first heat shield being grooved, the groove defining the heat shield cavity.

Optionally, the infrared heating assembly further comprises a second heat insulator disposed between the mounting body and the heating wire.

Optionally, the infrared heating assembly further comprises a third heat shield and/or support plate disposed between the second heat shield and the mounting body.

Optionally, the second heat insulating piece is made of white carbon black; and/or the number of the groups of groups,

the third heat insulating piece is made of one of aerogel, glass fiber and ceramic fiber.

Optionally, the shell is provided with a heat dissipation channel which is communicated with the inside and the outside of the installation cavity.

To achieve the above object, the present application also proposes a cooking appliance, such as the heating device described above.

According to the technical scheme provided by the utility model, the electromagnetic heating assembly and the infrared heating assembly are arranged, so that the heating device can be adapted to different cookers, the bottom surface of the infrared heating assembly and the top surface of the electromagnetic heating assembly are respectively provided with the heat insulation cavity at the overlapped part, and the air in the heat insulation cavity can play a better heat insulation effect, so that the temperature of the outer surface of the electromagnetic wire coil can be reduced on the premise that the thickness of the infrared oven plate is controlled within a certain range, and on the premise that the distance from the electromagnetic heating assembly to the oven panel is not increased.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an exploded view of an embodiment of a cooking appliance according to the present utility model;

FIG. 2 is a top view of a first embodiment of a heating device provided by the present utility model;

FIG. 3 is an exploded view of the heating device of FIG. 2;

FIG. 4 is an exploded view of the infrared heating assembly of FIG. 3;

fig. 5 is a sectional view of a first embodiment of the cooking appliance provided by the present utility model;

fig. 6 is a perspective view of a first embodiment of a mounting body provided by the present utility model;

fig. 7 is a sectional view of a second embodiment of the cooking appliance provided by the present utility model;

FIG. 8 is an exploded view of a third embodiment of an infrared heating assembly provided by the present utility model;

FIG. 9 is an exploded view of a fourth embodiment of an infrared heating assembly provided by the present utility model;

fig. 10 is a perspective view of a first embodiment of a mounting body provided by the present utility model;

fig. 11 is a perspective view of a first embodiment of a mounting body provided by the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In order to solve the above-mentioned problems, the present utility model provides a heating device 50 and a cooking apparatus 100, and fig. 1 is an exploded view of an embodiment of the cooking apparatus 100 according to the present utility model; fig. 2 is a top view of a first embodiment of a heating device 50 provided by the present utility model; fig. 3 is an exploded view of the heating device 50 of fig. 2; FIG. 4 is an exploded view of the infrared heating assembly 10 of FIG. 3; fig. 5 is a sectional view of a first embodiment of a cooking appliance 100 provided by the present utility model; fig. 6 is a schematic perspective view of a second embodiment of a mounting body 11 provided by the present utility model; fig. 7 is a sectional view of a second embodiment of a cooking appliance 100 provided by the present utility model; FIG. 8 is an exploded view of a third embodiment of an infrared heating assembly 10 provided in accordance with the present utility model; fig. 9 is an exploded view of a fourth embodiment of an infrared heating assembly 10 provided by the present utility model.

Referring to fig. 1 to 9, the heating device 50 includes: a housing, an electromagnetic heating assembly 30, and an infrared heating assembly 10, the housing having a mounting cavity formed therein; the electromagnetic heating assembly 30 is mounted in the mounting cavity; the infrared heating assembly 10 is installed in the installation cavity, is positioned above the electromagnetic heating assembly 30, and is at least partially overlapped with the electromagnetic heating assembly 30 in the up-down direction; wherein the bottom surface of the infrared heating assembly 10 and the top surface of the electromagnetic heating assembly 30 define an insulating cavity 15 where they overlap.

The electromagnetic heating assembly 30 is coupled to the bottom of the appliance placed on the housing through its electromagnetic heating coil, generates eddy current at the bottom of the appliance, and thereby generates heat at the bottom of the appliance to heat the appliance, and the infrared heating assembly heats the appliance placed on the housing by conducting and radiating the heat generated by its heating wire 13.

In particular, the implementation manner of the heat-insulating cavity is not limited, and may be a gap between the two, or may be at least one of the bottom surface of the infrared heating assembly 10 and the top surface of the electromagnetic heating assembly 30, which is at least partially recessed, so as to form the heat-insulating cavity 15.

It should be noted that at least one of the bottom surface of the infrared heating assembly 10 and the top surface of the electromagnetic heating assembly 30 is at least partially concave, and the bottom surface of the infrared heating assembly 10 may be concave inward to form the heat insulation cavity 15, the top surface of the electromagnetic heating assembly 30 may be concave inward to form the heat insulation cavity 15, or both may be concave inward to form the heat insulation cavity 15, which is not limited herein, at least partially concave, may be only partially concave, may be all concave, which is not limited herein, and the concave form may be in the form of the groove 16, or the form of the through hole 17, and so on, which is not limited herein.

According to the technical scheme provided by the utility model, the electromagnetic heating assembly 30 and the infrared heating assembly 10 are arranged, so that the heating device 50 can be adapted to different cookers, the bottom surface of the infrared heating assembly 10 and the top surface of the electromagnetic heating assembly 30 are overlapped to define the heat insulation cavity 15, and the air in the heat insulation cavity 15 can play a better heat insulation effect, so that the temperature of the outer surface of the electromagnetic wire coil can be reduced on the premise of controlling the thickness of the infrared oven plate within a certain range and on the premise of not increasing the distance from the electromagnetic heating assembly 30 to a cooker panel.

Further, promote the thermal-insulated ability in thermal-insulated chamber 15, the intercommunication has been seted up to the week side of infrared heating subassembly 10 thermal-insulated chamber 15 with the intercommunication passageway 20 in installation chamber, so set up, through setting up intercommunication passageway 20, thereby the intercommunication installation chamber with thermal-insulated chamber 15 can let the air in the installation chamber enters into thermal-insulated intracavity 15, let the installation chamber with carry out the heat exchange of the air in the thermal-insulated chamber 15, thereby right thermal-insulated chamber 15 is cooled down, lets thermal-insulated chamber 15 keeps lower temperature, thereby has promoted the thermal-insulated ability in thermal-insulated chamber 15.

Still further, the casing has offered the intercommunication the inside and outside heat dissipation passageway 21 of installation chamber, so set up, can let the installation chamber and external through heat dissipation passageway 21 carries out the air exchange, in order to right the installation chamber is cooled down.

In addition, the heat insulation chambers 15 may be one or a plurality of heat insulation chambers 15, and the heat insulation chambers 15 may be independent of each other or may be mutually communicated, which is not limited herein, and further, the heat insulation chambers 15 are formed in a plurality of heat insulation chambers 15 and are mutually communicated, so that heat exchange between the heat insulation chambers 15 can be performed, thereby avoiding occurrence of a phenomenon of local high temperature.

It should be emphasized that the peripheral side of the infrared heating assembly 10 is provided with a communication channel 20 for communicating the heat insulation cavity 15 and the installation cavity; and, the heat insulation chambers 15 are formed in plural, and the plural heat insulation chambers 15 are disposed in communication with each other, and the two technical schemes may be alternatively disposed or simultaneously disposed, which is not limited herein.

Further, referring to fig. 10 and 11, the bottom surface of the infrared heating assembly 10 is at least partially recessed to form the heat insulation cavity, in order to make the heat insulation cavity 15 have a sufficient area for heat insulation, referring to fig. 11, the bottom area of the infrared heating assembly 10 is M, the area of the filled portion in fig. 11 is M, and further, referring to fig. 10, the area of the bottom surface partially recessed portion of the infrared heating assembly 10 is M, and the area of the filled portion in fig. 10 is M, where M > 0.3M, it is understood that the larger the area of the bottom surface partially recessed portion of the infrared heating assembly 10 is, the larger the area of the heat insulation cavity 15 is, and accordingly, the heat insulation effect of the heat insulation cavity 15 is better, and therefore, M > 0.3M, so that the heat insulation cavity 15 can be ensured to have a sufficient area for heat insulation.

Meanwhile, referring to fig. 5, the thickness of the insulating cavity 15 should be kept constant, otherwise, the air in the insulating cavity 15 is too thin to affect the insulating effect, so the maximum distance between the bottom surface of the infrared heating assembly 10 and the top surface of the electromagnetic heating assembly 30 is a, where a is greater than 0.5mm, and thus the maximum thickness of the insulating cavity 15 is greater than 0.5mm, so that the thickness of the air layer in the insulating cavity 15 is ensured, and the insulating effect is ensured.

Further, since the electromagnetic heating assembly 30 is not easily provided with the heat insulation chamber 15, the infrared heating assembly 10 includes a mounting body 11 and an electric heating wire 13, the electric heating wire 13 is disposed at an upper end of the mounting body 11, wherein:

the bottom of the installation main body 11 is provided with a groove 16, the groove 16 defines the heat insulation cavity 15, and/or the bottom of the installation main body 11 is provided with a through hole 17 which is arranged along the vertical through way, and the through hole 17 defines the heat insulation cavity 15.

In this embodiment, the bottom of the installation main body 11 is provided with the groove 16 or the through hole 17 penetrating up and down, so as to define the heat insulation cavity 15, and the air in the heat insulation cavity 15 can play a better heat insulation effect, so that the temperature of the outer surface of the electromagnetic wire coil can be reduced on the premise that the thickness of the infrared oven plate is controlled within a certain range, and on the premise that the distance from the electromagnetic heating assembly 30 to the oven panel is not increased.

The specific implementation form of the mounting body 11 is not limited, and may be an integrally formed housing, a combination of a mounting frame and a mounting frame, or the like, which is not limited herein.

Still further, the mounting main body 11 includes a mounting frame 18 and a mounting bracket 19 that are separately disposed, the mounting frame 18 is used for mounting the heating wire 13, the mounting bracket 19 is disposed below the heating wire 13, the mounting bracket 19 is provided with the groove 16 and/or the through hole 17, and the groove 16 and/or the through hole 17 define the heat insulation cavity 15.

So set up, through setting up mounting frame 18 to heating wire 13 plays the effect of installation, then mounting bracket 19 can play the effect of supporting mounting frame 18 with heating wire 13, and the seting up on the mounting bracket 19 recess 16 and/or through-hole 17 can prescribe a limit to thermal-insulated chamber 15 to reduce the temperature of the surface of electromagnetic coil under the prerequisite of not increasing the distance of electromagnetic heating subassembly 30 to the kitchen panel.

In addition, in order to insulate the heating wire 13, the infrared heating assembly 10 is generally provided with a heat insulating member, and at this time, the heat insulating member may directly play a role of the installation main body 11, so in this embodiment, the installation main body 11 includes a first heat insulating member, a groove 16 is formed in a bottom surface of the first heat insulating member, the groove 16 defines the heat insulating cavity 15, and in this way, the groove 16 is directly formed in the bottom surface of the first heat insulating member to form the heat insulating cavity 15, so that the structure is simple.

In another embodiment, the infrared heating assembly 10 further includes a second heat insulating member 12 disposed between the mounting body 11 and the heating wire 13, and the second heat insulating member 12 can insulate the heating wire 13, so as to prevent the electromagnetic coil from being damaged by the high temperature generated by the heating wire 13, because the strength of the heat insulating member is low, which is difficult to play a role of mounting the body 11.

The first heat insulating piece and/or the second heat insulating piece 12 include the confession the thermal-insulated end that heating wire 13 placed with enclose and locate heating wire 13 outlying heat insulating ring, so set up, thermal-insulated end can be right the bottom of heating wire 13 is thermal-insulated, and the heat insulating ring encloses and locates the periphery of heating wire 13 can be right the circumference of heating wire 13 is thermal-insulated, lets the heat that heating wire 13 produced is more focused, avoids the diffusion of heat.

It should be emphasized that the heat-insulating bottom and the heat-insulating ring may be integrally formed or separately formed, and when the heat-insulating bottom and the heat-insulating ring are separately formed, the heat-insulating ring may be made of a material with better heat-insulating performance, the heat-insulating bottom may be made of a white carbon black material, etc., and the heat-insulating bottom is not limited herein. Because the intensity of white carbon black material is lower, if independent heat insulating ring is adopted, the heat insulating bottom is easy to press and deform or crush, so that the heat insulating bottom and the heat insulating ring are integrally formed.

The specific materials of the first heat insulating member and the second heat insulating member 12 are not limited, and may be made of white carbon black, rock wool, or the like, and the heat insulating member made of white carbon black is matched with a fan, so that the temperature in the furnace tray can be controlled between 120 ℃ and 200 ℃, and the heat insulating effect is good, therefore, the materials of the first heat insulating member and the second heat insulating member 12 are white carbon black.

Meanwhile, at present, a plurality of scenes in which the thickness of the furnace plate is required to be reduced are considered; the thickness of the machine body is reduced, the appearance of a lighter and thinner product is made, or an electromagnetic wire coil is required to be arranged below a stove plate, and the thickness of an infrared stove plate is required to be reduced as much as possible in order to increase the coupling between the electromagnetic wire coil and a cooker;

referring to fig. 9, on the other hand, under the condition of keeping the original heat insulation layer thickness, the heat insulation performance of the heat insulation layer is further improved, and the temperature of the furnace tray shell is reduced; in the above application scenario, the third heat insulating member 14 with better heat insulating performance may be disposed below the second heat insulating member 12, so that the heat insulating performance of the heat insulating layer is further improved and the temperature of the furnace tray shell is reduced under the condition of keeping the original heat insulating layer thickness, and therefore, the infrared heating assembly 10 further includes the third heat insulating member 14 disposed on the side of the second heat insulating member 12 opposite to the heating wire 13.

Specifically, the material of the third heat insulating member 14 is one of aerogel, glass fiber, and ceramic fiber. To support the third thermal shield 14, the infrared heating assembly 10 further includes a support plate 22.

To achieve the above object, the present application also proposes a cooking appliance 100, as the heating device 50 as described above.

In this embodiment, the cooking apparatus 100 has the heating device 50 described above, and the heating device 50 includes the electromagnetic heating assembly 30 and the infrared heating assembly 10, so that the heating device 50 can be adapted to different cookers, and the bottom surface of the infrared heating assembly 10 and the top surface of the electromagnetic heating assembly 30 define the heat insulation cavity 15 at the overlapping position, so that the air in the heat insulation cavity 15 can perform a better heat insulation effect, and thus, the temperature of the outer surface of the electromagnetic coil can be reduced on the premise that the thickness of the infrared oven plate is controlled within a certain range, and the distance from the electromagnetic heating assembly 30 to the oven panel is not increased.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A heating device, comprising:

a housing in which an installation cavity is formed;

2. The heating device of claim 1, wherein a communication channel for communicating the heat insulation cavity and the installation cavity is formed on the peripheral side of the infrared heating assembly; and/or the number of the groups of groups,

3. The heating apparatus of claim 1, wherein the bottom surface of the infrared heating element is at least partially recessed to form the insulating cavity, the bottom area of the infrared heating element being M, and the area of the partially recessed portion of the bottom surface of the infrared heating element being M, wherein M > 0.3M.

4. The heating device of claim 1, wherein a maximum distance of a spacing between a bottom surface of the infrared heating assembly and a top surface of the electromagnetic heating assembly is a, wherein a > 0.5mm.

5. The heating apparatus according to any one of claims 1 to 4, wherein the infrared heating assembly includes a mounting body and a heating wire provided at an upper end of the mounting body, wherein:

6. The heating device of claim 5, wherein the mounting body comprises a mounting frame and a mounting bracket which are separately arranged, the mounting frame is used for mounting the heating wire, the mounting bracket is arranged below the heating wire, the mounting bracket is provided with the groove and/or the through hole, and the groove and/or the through hole define the heat insulation cavity.

7. The heating device of claim 5, wherein the mounting body comprises a first insulating member having a recess formed in a bottom surface thereof, the recess defining the insulating cavity.

8. The heating apparatus of claim 5, wherein the infrared heating assembly further comprises a second thermal shield disposed between the mounting body and the heating wire.

9. The heating apparatus of claim 8, wherein the infrared heating assembly further comprises a third heat shield disposed on a side of the second heat shield opposite the heating wire.

10. The heating device of claim 9, wherein the second insulating member is white carbon black; and/or the number of the groups of groups,

11. The heating device of claim 1, wherein said housing defines a heat dissipation path communicating between the interior and exterior of said mounting cavity.

12. A cooking appliance characterized by a heating device as claimed in any one of claims 1 to 11.