CN219287768U

CN219287768U - Heating structure, heating device and cooking utensil

Info

Publication number: CN219287768U
Application number: CN202223400473.XU
Authority: CN
Inventors: 莫业辉; 江太阳; 高文祥; 吴慧民; 熊文翰; 彭志伟; 陈德鑫; 苏畅
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-30
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a heating structure, a heating device and a cooking utensil, which comprise an infrared heating assembly and an electromagnetic heating assembly, wherein the electromagnetic heating assembly is arranged at the lower side of the infrared heating assembly, the electromagnetic heating assembly comprises a close-wound coil assembly, the close-wound coil assembly comprises a close-wound tooling plate and a coil winding fixedly arranged on the close-wound tooling plate, and the close-wound tooling plate is made of a heat insulation material. The planar tooling plate in the close-wound process is arranged at the lower side of the infrared heating assembly along with the coil winding, so that the effect of isolating temperature is achieved, the effect that other appliances are affected by high Wen Xiangxia radiation generated by the infrared heating assembly is prevented, and the temperature rise is effectively reduced.

Description

Heating structure, heating device and cooking utensil

Technical Field

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

Background

In view of the advantages and disadvantages of infrared furnace heating and electromagnetic heating, the combined electromagnetic heating and infrared heating has stronger universality, and the existing hybrid heating cooking utensil with electromagnetic heating and infrared heating functions on the market comprises an infrared furnace plate and an electromagnetic wire coil, wherein the infrared furnace plate is heated to 500-600 ℃ by an electric heating wire, then radiates heat to a space range, and simultaneously causes higher peripheral ring temperature for heating the pot, which can cause that the temperature of other devices at the lower side is not up to standard, and the normal use and the service life of the utensil are affected.

Disclosure of Invention

The utility model mainly aims to provide a heating structure, a heating device and a cooking utensil, and aims to solve the problem that the temperature rise of other devices at the lower side is not up to standard due to the fact that an infrared stove plate in the existing hybrid heating cooking utensil can radiate heat to the space.

In order to achieve the above object, the heating structure according to the present utility model includes:

an infrared heating assembly; the method comprises the steps of,

the electromagnetic heating assembly is arranged on the lower side of the infrared heating assembly and comprises a close-wound coil assembly, the close-wound coil assembly comprises a close-wound tooling plate and a coil winding fixedly arranged on the close-wound tooling plate, and the close-wound tooling plate is made of heat insulation materials.

Optionally, the electromagnetic heating assembly further comprises a tray;

the close-wound coil assembly is arranged on the upper side of the tray seat;

the electromagnetic heating assembly further comprises a magnet structure mounted on the tray seat and located on the lower side of the close-wound coil assembly.

Optionally, the magnet structure is disposed on the underside of the tray.

Optionally, the tightly wound tooling plate comprises one of a mica plate, a plastic plate and a ceramic plate.

The heating device provided by the utility model comprises:

a housing; the method comprises the steps of,

the heating structure comprises the heating structure, and the heating structure is arranged in the shell;

the heating structure includes:

an infrared heating assembly; the method comprises the steps of,

Optionally, the tightly wound tooling plate comprises a tooling plate body and a wind shielding and heat insulating part extending along the lateral direction of the infrared heating assembly;

the coil winding is fixedly arranged on the tooling plate body;

the heating device further comprises a circuit board arranged in the shell, and the circuit board is correspondingly positioned at the lower side of the wind shielding and heat insulating part.

Optionally, a fan is further arranged in the shell and on the side corresponding to the heating structure.

Optionally, the infrared heating subassembly includes first mount pad, and locates the infrared heating piece of first mount pad upside, the middle part of first mount pad is formed with the mounting hole that link up from top to bottom, be equipped with the temperature limiter in the mounting hole.

Optionally, the infrared heating assembly further comprises a heat insulation disc, and the heat insulation disc is arranged between the first mounting seat and the infrared heating piece.

The cooking utensil provided by the utility model comprises the heating device.

According to the technical scheme, the tightly-wound tooling plate is used in the tightly-wound coil process, after the tightly-wound coil is finished, the tightly-wound tooling plate and the coil winding which is adhered and fixed are jointly formed into the tightly-wound coil assembly, the tightly-wound coil assembly is used as a part of the electromagnetic heating assembly, after the electromagnetic heating assembly and the infrared heating assembly are assembled and positioned, as the tightly-wound tooling plate is made of heat insulation materials, heat generated by the infrared heating assembly can radiate upwards under the blocking effect of the tightly-wound tooling plate, so that the heating effect of the infrared heating assembly on a heating device is improved, and on the other hand, the too high temperature rise of other devices positioned on the lower side of the tightly-wound tooling plate is prevented, the premature protection of the heating structure is effectively avoided, and the normal use and the service life of other devices are ensured.

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 a schematic plan view of a heating structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of section A-A in FIG. 1;

FIG. 3 is a schematic perspective view of the closely wound coil assembly of FIG. 1;

FIG. 4 is an exploded view of the heating structure of FIG. 1;

FIG. 5 is a schematic perspective view of a heating device according to an embodiment of the present utility model;

FIG. 6 is a schematic cross-sectional view of the heating device of FIG. 5;

fig. 7 is an exploded view of the heating device of fig. 5.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Heating structure	23	Disk seat
1	Infrared heating assembly	1000	Heating device
				11	First mounting seat	200	Shell body
111	Mounting hole	210	Base seat
				12	Infrared heating piece	220	Upper cover
13	Heat insulation plate	221	Heating zone
				2	Electromagnetic heating assembly	222	Control area
21	Close-wound coil assembly	300	Circuit board
				211	Close around frock board	400	Blower fan
2111	Tooling plate body	500	Display control board
				2112	Wind shielding and heat insulating part	600	Mounting bracket
212	Coil winding	700	Temperature limiter
				22	Magnet structure

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.

In the case where a directional instruction is involved in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

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 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 view of the above, the present utility model provides a heating structure, which aims to solve the problem that the temperature of other devices at the lower side is not up to standard due to the heat radiation of the space in the infrared oven tray of the existing hybrid heating cooking appliance, wherein fig. 1 to 4 are schematic structural diagrams of an embodiment of the heating structure provided by the present utility model; fig. 5 to 7 are schematic structural views of a heating device according to an embodiment of the utility model.

Referring to fig. 1 to 4, the heating structure 100 includes an infrared heating assembly 1 and an electromagnetic heating assembly 2, the electromagnetic heating assembly 2 is disposed at a lower side of the infrared heating assembly 1, the electromagnetic heating assembly 2 includes a tightly wound coil assembly 21, the tightly wound coil assembly 21 includes a tightly wound tooling plate 211 and a coil winding 212 fixed on the tightly wound tooling plate 211, wherein the tightly wound tooling plate 211 is made of a heat insulation material.

In the technical scheme of the utility model, the tightly-wound tooling plate 211 required in the coil tightly-wound process is utilized, after the coil tightly-wound process is finished, the tightly-wound tooling plate 211 and the coil winding 212 which is adhered and fixed are jointly formed into the tightly-wound coil assembly 21, the tightly-wound coil assembly is used as a part of the electromagnetic heating assembly 2, after the electromagnetic heating assembly 2 and the infrared heating assembly 1 are assembled and positioned, as the tightly-wound tooling plate 211 is made of a heat-insulating material, heat generated by the infrared heating assembly 1 can radiate upwards under the blocking effect of the tightly-wound tooling plate 211, so that the heating effect of the infrared heating assembly 1 to a heating device is improved, and on the other hand, the too high temperature rise of other devices positioned on the lower side of the tightly-wound tooling plate 211 is prevented, the premature protection of the heating structure 100 is effectively avoided, and the normal use and the service life of other devices are ensured.

Generally, the close-wound coil assembly 21 further requires a magnet to assist in converging magnetic lines of force to enhance electromagnetic coupling, and in this embodiment, the electromagnetic heating assembly 2 further includes a tray 23; the close-wound coil assembly 21 is arranged on the upper side of the tray seat 23; the electromagnetic heating assembly 2 further comprises a magnet structure 22 mounted on the disc seat 23 and located on the underside of the close-wound coil assembly 21. In this embodiment, the magnet structure 22 can play a role of converging and absorbing magnetic lines of force and reducing leakage inductance, meanwhile, the magnet structure 22 itself needs to be arranged in an insulating manner with the coil winding 212, and when the magnet structure 22 and the close-wound coil assembly 21 are located on the same side of the disc seat 23, the close-wound tooling plate 211 is arranged between the coil winding 212 and the magnet structure 22; when the magnet structure 22 and the close-wound coil assembly 21 are separately disposed on opposite sides of the disc seat 23, the disc seat 23 can perform an insulation function, and at this time, the close-wound tooling plate 211 can be disposed at the upper end of the coil winding 212, thereby performing a function of thermal insulation protection of the coil winding 212.

Specifically, referring to fig. 4, in the present embodiment, the magnet structure 22 is disposed on the lower side of the tray 23. The arrangement of the tray 23 can play an insulating role, and two opposite mounting surfaces of the tray 23 are fully utilized, so that the whole structure of the electromagnetic heating assembly 2 is firmer; moreover, the tight-wound tooling plate 211 is arranged at the upper end of the coil winding 212, so that the coil winding 212 is protected by heat insulation, and the power consumption increase caused by overhigh temperature rise of the coil winding 212 is avoided.

The closely wound tooling plate 211 has a heat insulation function in addition to the auxiliary winding, and the variety of heat insulation materials is various, and in particular, in this embodiment, the closely wound tooling plate 211 includes one of a mica plate, a plastic plate and a ceramic plate. The material has good heat insulation effect and good insulation effect, so that the tightly wound tooling plate 211 also has the effect of preventing the coil winding 212 from electric leakage, and meets the safety requirements.

In addition, referring to fig. 5 to 7, the present utility model further provides a heating device 1000, where the heating device 1000 includes a housing 200 and a heating structure 100, the heating structure 100 includes the heating structure 100 described above, and the heating structure 100 is disposed in the housing 200, so as to perform a magnetic insulation and heat insulation function to an external environment through the housing 200. It should be noted that, the detailed structure of the heating structure 100 of the heating device 1000 may refer to the embodiment of the heating structure 100 described above, and will not be described herein again; since the heating structure 100 is used in the heating device 1000 of the present utility model, embodiments of the heating device 1000 of the present utility model include all technical solutions of all embodiments of the heating structure 100, and the achieved technical effects are identical, and are not described herein again.

Further, referring to fig. 3, 5 and 6, in this embodiment, the tightly wound tooling plate 211 includes a tooling plate body 2111 and a wind shielding and heat insulating portion 2112 extending along a lateral direction of the infrared heating assembly 1; the coil winding 212 is fixedly arranged on the tooling plate body 2111; the heating device 1000 further includes a circuit board 300 disposed in the housing 200, and the circuit board 300 is correspondingly disposed at the lower side of the wind shielding and heat insulating portion 2112. In the technical solution provided in this embodiment, since the circuit board 300 is the main electrical device for controlling the heating structure 100, and the circuit board 300 is also most affected by the overflow temperature of the infrared heating assembly 1, based on this, the tightly wound tooling plate 211 is shaped to be composed of the tooling plate body 2111 and the wind shielding and heat insulating portion 2112, so that the tooling plate body 2111 can complete the auxiliary winding of the coil winding 212, and after the tightly wound coil assembly 21 is installed in place, the wind shielding and heat insulating portion 2112 extending along the lateral direction can correspondingly shield the circuit board 300 above, therefore, the heat dissipated by the downward radiation of the infrared heating assembly 1 can radiate upwards under the blocking effect of the wind shielding and heat insulating portion 2112, thereby enhancing the heating effect of the infrared heating assembly 1 on the appliance to be heated, and meanwhile, the heat shielding and protecting effect on the circuit board 300 can be ensured, and the normal use and the service life of the circuit board 300 can be ensured.

Specifically, the tightly wound tooling plate 211 includes one of a mica plate, a plastic plate and a ceramic plate, and has a certain rigidity while providing insulation and heat insulation, so that the wind shielding and heat insulation portion 2112 in an extended arrangement can be prevented from being bent under its own weight and being pressed to the circuit board 300.

Further, referring to fig. 7, in the present embodiment, the housing 200 includes a base 210 and an upper cover 220 covering the base 210, and a heating area 221 for placing the appliance is formed on an upper end surface of the upper cover 220; the electromagnetic heating assembly 2 is disposed on the base 210 and corresponds to the heating zone 221; the infrared heating assembly 1 is arranged on the upper side of the electromagnetic heating assembly 2 and is arranged corresponding to the heating area 221. The housing 200 is provided in a form of combining the base 210 and the upper cover 220, so that the assembly and disassembly of the heating structure 100 can be facilitated; through the setting of zone of heating 221, and electromagnetic heating subassembly 2 with infrared heating subassembly 1 corresponds zone of heating 221 sets up, the user can be convenient will treat the utensil of heating place zone of heating 221 heats, avoids the place position of utensil to appear the deviation and leads to heating effect poor and the waste of energy consumption.

Further, in order to facilitate the user operation, in this embodiment, the upper cover 220 is further formed with a control area 222; the heating device 1000 further comprises a display control board 500 and a mounting bracket 600, the mounting bracket 600 corresponds to the control area 222 and is arranged on the base 210, an upward opening mounting cavity is formed in the mounting frame, the display control board 500 is arranged on the mounting cavity, the display control board 500 is abutted to the upper cover 220, and the arrangement is convenient for a user to touch the control area 222 for use and operation, and the influence of the overflow temperature of the infrared heating assembly 1 on the display control board 500 is prevented through the blocking effect of the mounting frame.

In another embodiment, a fan 400 is further disposed in the housing 200 at a side corresponding to the heating structure 100. The arrangement can realize the heat exchange between the interior of the shell 200 and the outside through the blowing action of the blower 400, thereby playing a role in cooling other appliances in the shell 200 and ensuring the service life and the working efficiency of the other appliances; it will be appreciated that the housing 200 is provided with a vent hole communicating with the outside so as to facilitate ventilation by the fan 400.

In order to regulate the working power of the electromagnetic heating assembly in real time according to the actual heating temperature, referring to fig. 2 and 4, in this embodiment, the infrared heating assembly 1 includes a first mounting seat 11, and an infrared heating element 12 disposed on the upper side of the first mounting seat 11, a mounting hole 111 penetrating up and down is formed in the middle of the first mounting seat 11, and a temperature limiter 700 is disposed in the mounting hole 111. Because the infrared heating assembly 1 is located at the upper side and is closer to the to-be-heated appliance, the temperature limiter 700 can obtain the most accurate heating temperature when being installed in the installation hole 111, so that the electromagnetic heating assembly 2 can be timely controlled to be disconnected or operated, and a good temperature control effect can be achieved.

Unlike the coil winding 212 of the electromagnetic heating assembly 2, the heat generated by the infrared heating element 12 radiates in all directions in space, so as to prevent the heat generated by the infrared heating element 12 from radiating downwards to the electromagnetic heating assembly 2 as far as possible, thereby ensuring the heating effect of the electromagnetic heating assembly 2, referring to fig. 4, in this embodiment, the infrared heating assembly 1 further includes a heat insulation plate 13, and the heat insulation plate 13 is disposed between the first mounting seat 11 and the infrared heating element 12. The heat generated by the infrared heating element 12 is not radiated downwards by the obstruction of the heat insulation plate 13, but is radiated upwards in a concentrated manner under the blocking action of the heat insulation plate 13, so that the electromagnetic heating assembly 2 is prevented from being heated and the heating effect of the infrared heating assembly 1 is improved; meanwhile, it should be understood that a relief hole is formed on the heat insulating plate 13 corresponding to the mounting hole 111 so that the temperature limiter 700 is correspondingly protruded to the upper end of the infrared heating assembly.

Specifically, in order to prevent the infrared heating element 12 from radiating heat to the horizontal peripheral side, in this embodiment, a receiving groove is formed at the upper end of the heat insulating plate 13, and the infrared heating element 12 is disposed in the receiving groove. So arranged, the heat insulating plate 13 also can prevent the infrared heating element 12 from overflowing to the periphery, so as to avoid affecting other electric devices.

In addition, in order to achieve the above purpose, the present utility model further provides a cooking appliance, which includes the heating device 1000 according to the above technical solution. It should be noted that, the detailed structure of the heating device 1000 of the cooking appliance may refer to the embodiment of the heating device 1000 described above, and will not be described herein again; because the heating device 1000 is used in the cooking appliance of the present utility model, embodiments of the cooking appliance of the present utility model include all technical solutions of all embodiments of the heating device 1000, and the achieved technical effects are identical, and are not described in detail herein.

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 specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A heating structure, comprising:

an infrared heating assembly; the method comprises the steps of,

2. The heating structure of claim 1, wherein the electromagnetic heating assembly further comprises a tray;

the close-wound coil assembly is arranged on the upper side of the tray seat;

3. The heating structure of claim 2, wherein the magnet structure is disposed on an underside of the tray.

4. The heating structure of claim 1, wherein the tightly wound tooling plate comprises one of a mica plate, a plastic plate, and a ceramic plate.

5. A heating device, comprising:

a housing; the method comprises the steps of,

heating structure comprising a heating structure according to any one of claims 1 to 4, said heating structure being provided within said housing.

6. The heating apparatus of claim 5, wherein the close-wound tooling plate comprises a tooling plate body and a wind shield heat shield extending laterally of the infrared heating assembly;

the coil winding is fixedly arranged on the tooling plate body;

7. The heating device of claim 5, wherein a fan is further disposed in the housing at a side corresponding to the heating structure.

8. The heating device of claim 5, wherein the infrared heating assembly comprises a first mounting seat and an infrared heating piece arranged on the upper side of the first mounting seat, a mounting hole penetrating up and down is formed in the middle of the first mounting seat, and a temperature limiter is arranged in the mounting hole.

9. The heating apparatus of claim 8, wherein the infrared heating assembly further comprises a thermally insulating disk disposed between the first mount and the infrared heating element.

10. A cooking appliance comprising a heating device as claimed in any one of claims 5 to 9.