CN221103594U - Wire coil assembly and electromagnetic oven using same - Google Patents

Abstract

The utility model relates to the technical field of cooking equipment and discloses a wire coil assembly and an induction cooker using the same, wherein the wire coil assembly comprises a bracket arranged in a cavity formed by a bottom shell and a heating panel and a wire coil body arranged on the upper surface of the bracket; the lower surfaces of the support are fixedly connected with a plurality of support columns, and the lower surfaces of the support columns are respectively fixedly connected with the inner wall of the bottom shell; the middle part of support undercut is formed with first accommodation chamber, the drum body is located in the first accommodation chamber. Through set up a plurality of support columns of laying along its outer edge at the lower surface of support for the wire coil body gets up to the distance of drain pan bottom, forms ventilation channel promptly, therefore when the electromagnetism stove operation, the flow in wind channel can be followed the top and the below of wire coil body and passed through, thereby takes away the heat that the wire coil body produced, promotes the radiating efficiency of wire coil body, prevents that the wire coil body from overheated, keeps the normal operation of electromagnetism stove and prolongs the life of electromagnetism stove.

Description

Wire coil assembly and electromagnetic oven using same

Technical Field

The utility model relates to the technical field of cooking equipment, in particular to a wire coil assembly and an induction cooker using the same.

Background

The induction cooker can directly generate heat at the bottom of the cooker without open fire or conduction heating, generally comprises a bottom shell, a heating panel covered on the bottom shell, a wire coil arranged in an inner cavity of the bottom shell and a controller, when the induction cooker is used, alternating current is introduced into the wire coil, 220V alternating current is rectified into direct current through a rectifying element (such as a silicon rectifier), a high-frequency magnetic field is generated in the wire coil through LC resonance, an iron cooker is used for cutting alternating magnetic lines, and a large amount of vortex is generated in the bottom of the cooker, so that heat required for cooking is generated.

The current drum subassembly is including setting up in the support of drain pan bottom, set up in the drum of support upper surface, drum and heating panel contact, the heat that the culinary art produced not only can make heating panel heat up, still can be through the mode of heat transfer to other spare parts of drum subassembly on, if transfer to the support, but because space between current support and the drain pan is little, the radiating efficiency is not high, when the support long-time when the operation under the higher environment of temperature, can make the drain pan take place deformation in the past for a long time, the drain pan after the deformation can make the position of support and set up the drum on the support take place the skew, thereby reduce the heating efficiency of drum subassembly.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of utility model

In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a wire coil assembly and an induction cooker using the same, which aim to improve the heat dissipation efficiency of the wire coil assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A wire coil assembly comprises a bracket arranged in a cavity formed by a bottom shell and a heating panel and a wire coil body arranged on the upper surface of the bracket; the lower surfaces of the support are fixedly connected with a plurality of support columns, and the lower surfaces of the support columns are respectively fixedly connected with the inner wall of the bottom shell; the middle part of support undercut is formed with first accommodation chamber, the drum body is located in the first accommodation chamber.

The wire coil assembly comprises a support, a plurality of through holes penetrating through the upper side wall and the lower side wall of the support are formed in the support, the number of the through holes is consistent with that of the support columns, threaded holes are formed in the middle of each support column, and the support columns are fixedly connected through screws/bolts.

The wire coil assembly is characterized in that an upper heat insulation sheet is arranged between the wire coil body and the heating panel, and a lower heat insulation sheet is arranged between the wire coil body and the bracket.

The wire coil assembly is characterized in that the top of the first accommodating cavity is provided with mounting holes which are oppositely arranged, the upper heat insulation sheet is provided with lugs which are consistent with the number of the mounting holes, and the lugs are located in the corresponding mounting holes.

The wire coil assembly is characterized in that the upper heat insulation sheet and the lug are of an integrated structure, and the distance from the upper heat insulation sheet to the bottom of the support is smaller than the distance from the top of the first accommodating cavity to the bottom of the support.

The wire coil assembly is characterized in that a plurality of magnetic strips are further arranged between the lower heat insulation sheet and the support, and the magnetic strips are respectively arranged on the upper surface of the support.

The wire coil assembly comprises a support, wherein the bottom surface of the support is recessed downwards and is provided with a plurality of second accommodating cavities, the second accommodating cavities extend radially to the edges of the support along the center of the support, and the magnetic strips are arranged in the second accommodating cavities in a one-to-one correspondence mode.

The induction cooker comprises a wire coil assembly, a bottom shell, a heating panel covered on the bottom shell, a controller and a power supply assembly, wherein the controller and the power supply assembly are arranged on the inner wall of the bottom shell, the power supply assembly is connected with a mains supply through wires, and the power supply assembly is used for providing electric energy for the controller and the wire coil assembly; an air inlet is further formed in the inner wall of the bottom shell, an air outlet is formed in the side wall of the bottom shell, and the wire coil assembly is located between the air inlet and the air outlet; and a radiator is also arranged on the air outlet.

The induction cooker is characterized in that the power supply assembly and the controller are both positioned below the wire coil assembly; and a support column is arranged between the controller and the bottom shell.

The induction cooker is characterized in that the outer part of the radiator is fixedly connected with a cover body, a plurality of clamping hooks are arranged on the inner wall of the bottom shell, clamping parts are arranged on the outer edge of the cover body, the number of the clamping parts is consistent with that of the clamping hooks, and the clamping hooks are clamped on the corresponding clamping parts.

The beneficial effects are that:

the utility model provides a wire coil assembly and an induction cooker using the same, wherein a plurality of support columns are arranged on the lower surface of a support along the outer edge of the support, so that the distance from a wire coil body to the bottom of a bottom shell is increased, namely a ventilation channel is formed, and therefore, when the induction cooker operates, the flow of an air channel can pass through the upper part and the lower part of the wire coil body, so that the heat generated by the wire coil body is taken away, the heat dissipation efficiency of the wire coil body is improved, the wire coil body is prevented from overheating, the normal operation of the induction cooker is kept, and the service life of the induction cooker is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of an induction cooker according to the present utility model.

Fig. 2 is a schematic structural diagram of an induction cooker.

Fig. 3 is a cross-sectional view of the induction cooker.

Fig. 4 is a second cross-sectional view of the induction cooker.

Fig. 5 is a schematic view of a wire coil assembly.

Fig. 6 is a schematic diagram of a second wire coil assembly.

Fig. 7 is a cross-sectional view of the wire coil assembly.

Fig. 8 is a schematic structural view of the induction cooker after the wire coil assembly is hidden.

Fig. 9 is a cross-sectional view of the induction cooker after the wire coil assembly is hidden.

Fig. 10 is an enlarged view of a portion a in fig. 8.

Description of main reference numerals: 1-wire coil assembly, 11-support, 111-first accommodation cavity, 112-second accommodation cavity, 113-mounting hole, 12-magnetic stripe, 13-lower heat insulation sheet, 14-wire coil body, 15-upper heat insulation sheet, 16-lug;

2-bottom shell, 21-air intake, 22-air outlet, 23-pillar, 24-pothook, 3-support column, 4-power module, 5-controller, 6-cover, 61-joint portion.

Detailed Description

The utility model provides a wire coil assembly and an induction cooker using the same, and in order to make the purposes, technical schemes and effects of the utility model clearer and more definite, the utility model is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted here that fig. 1 is to show the internal structure of the induction cooker, so the heating panel is hidden.

Referring to fig. 1, 3 and 4, the present utility model provides a wire coil assembly 1, which includes a bracket 11 disposed in a cavity formed by a bottom shell 2 and a heating panel, and a wire coil body 14 disposed on an upper surface of the bracket 11; the lower surface of the bracket 11 is fixedly connected with a plurality of support columns 3, and the lower surfaces of the support columns 3 are respectively fixedly connected with the inner wall of the bottom shell 2; the middle part of the bracket 11 is recessed downwards to form a first accommodating cavity 111, and the wire coil body 14 is positioned in the first accommodating cavity 111.

In the above structure, the plurality of support columns 3 distributed along the outer edges of the support frames 11 are arranged on the lower surface of the support frames 11, so that the distance from the wire coil body 14 to the bottom of the bottom shell 2 is increased, namely, a ventilation channel is formed, and therefore, when the induction cooker operates, the flow of the air channel can pass through the upper side and the lower side of the wire coil body 14, so that the heat generated by the wire coil body 14 is taken away, the heat dissipation efficiency of the wire coil body 14 is improved, the wire coil body 14 is prevented from overheating, the normal operation of the induction cooker is kept, and the service life of the induction cooker is prolonged.

Referring to fig. 1, 5 and 8, in some embodiments, the bracket 11 is provided with a plurality of through holes penetrating through the upper and lower sidewalls thereof, the number of the through holes is identical to that of the support columns 3, and the middle of each support column 3 is provided with a threaded hole, and the bracket 11 and the support column 3 are fixedly connected through screws/bolts. Specifically, the support column 3 is a plastic support column, and the material of the support column is the same as that of the bottom shell 2, and the support column 3 can be directly and integrally formed through a die during the production of the bottom shell 2, so that when the bracket 11 is assembled, the through holes are aligned with the middle parts of the support column 3, and screws/bolts are screwed into the corresponding through holes and threaded holes one by one from top to bottom, thereby realizing the fixation of the bracket 11 and the support column 3.

Referring to fig. 4 and 7, in some embodiments, an upper heat insulating sheet 15 is disposed between the coil body 14 and the heating panel, and a lower heat insulating sheet 13 is disposed between the coil body 14 and the stand 11. The upper and lower heat insulating sheets 15 and 13 are provided to isolate and reduce heat conduction, protect components around the coil body 14 from overheating, and also guide heat to be dissipated in a predetermined direction, ensuring safety and stability of the induction cooker.

Referring to fig. 4 and 7, in some embodiments, the top of the first accommodating cavity 111 is provided with opposite mounting holes 113, and the upper heat insulating sheet 15 is provided with lugs 16 with the same number as the mounting holes 113, and the lugs 16 are located in the corresponding mounting holes 113. The provision of the mounting holes 113 provides a mounting position and space for the assembly of the upper heat insulating sheet 15, thereby stably providing the upper heat insulating sheet 15 on the bracket 11.

Referring to fig. 3, in some embodiments, the upper heat insulating sheet 15 and the ear 16 are integrally formed, and the distance from the upper heat insulating sheet 15 to the bottom of the bracket 11 is smaller than the distance from the top of the first accommodating cavity 111 to the bottom of the bracket 11. After the wire coil assembly 1 is assembled in the bottom shell 2, the heating panel is further assembled on the bottom shell 2, and the upper heat insulation sheet 15 is located in the first accommodating cavity 111 by the above limitation, so that the height of the induction cooker is reduced after the heating panel is assembled on the bottom shell 2, and the induction cooker is thinner.

Referring to fig. 4, 6 and 7, in some embodiments, a plurality of magnetic strips 12 are further disposed between the lower heat insulating sheet 13 and the support 11, and the magnetic strips 12 are respectively disposed on the upper surface of the support 11. The arrangement of the magnetic stripe 12 may be used to enhance the magnetic field effect and facilitate the heating process. The induction cooker uses the magnetic induction principle to heat, and the iron material at the bottom of the cooker is enabled to generate vortex by generating a strong magnetic field, so that heat is generated, the existence of the magnetic stripe 12 can increase the density and stability of the magnetic field, the transmission efficiency of the magnetic flux is improved, and the heating is faster and more uniform.

Referring to fig. 6 and 7, in some embodiments, the bottom surface of the bracket 11 is recessed downward and formed with a plurality of second accommodating cavities 112, the plurality of second accommodating cavities 112 extend radially toward the edge of the bracket 11 along the center of the bracket 11, and the plurality of magnetic strips 12 are disposed in the second accommodating cavities 112 in a one-to-one correspondence. The provision of the second receiving cavity 112 not only provides a mounting space for the magnetic stripe 12, but also reduces the overall thickness of the wire coil assembly 1. The magnetic stripe 12 is located the below of drum body 14, can effectively guide and concentrate the distribution of magnetic field, forms a tighter coupling between the bottom of a boiler and drum body 14 to improve the transmission efficiency of ability, reduce loss and the waste of energy, accelerate the heating rate of bottom of a boiler simultaneously. In addition, the magnetic stripe 12 can also play a role in heat insulation, so that the heat transfer influence on the bracket 11 is reduced, and the heating effect is further improved.

Referring to fig. 1, 2 and 8, in some embodiments, the utility model further provides an induction cooker, including the coil assembly 1, further including a bottom shell 2, a heating panel covered on the bottom shell 2, and further including a controller 5 and a power supply assembly 4 disposed on an inner wall of a bottom of the bottom shell 2, wherein the power supply assembly 4 is connected to a mains supply through an electric wire, and the power supply assembly 4 is used for providing electric power for the controller 5 and the coil assembly 1; an air inlet 21 is further formed in the inner wall of the bottom shell 2, an air outlet 22 is formed in the side wall of the bottom shell 2, and the wire coil assembly 1 is located between the air inlet 21 and the air outlet 22; and a radiator (not shown) is also provided on the air outlet 22, which is located in the housing 6. The side wall of the bottom shell 2 is provided with a avoiding hole through which a power supply line passes, so that the power supply assembly 4 can be connected with the mains supply through a plug on the tail end of the power supply line, and therefore required electric energy is provided for each part in the induction cooker. The controller 5 is provided with electronic components for controlling the heating temperature of the wire coil assembly 1. In addition, when the temperature of the inner cavity of the induction cooker is too high, the radiator starts to operate, so that the outside air enters the inner cavity of the induction cooker from the air inlet 21 and then is dissipated to the outside from the air outlet 22, the circulating flow of the air is realized, and the heat dissipation is carried out for the inner cavity of the induction cooker.

Referring to fig. 1 and 9, in some embodiments, the power supply assembly 4 and the controller 5 are both located below the wire coil assembly 1; a support 23 is also provided between the controller 5 and the bottom shell 2. The thickness of the induction cooker can be thinner and the volume of the induction cooker can be smaller. The support 23 can support the controller 5 to a certain height, so that air can flow from above and below the controller 5, and the heat dissipation efficiency of the controller 5 is improved.

Referring to fig. 8 and 10, in some embodiments, the cover 6 is further fixedly connected to the exterior of the heat sink, a plurality of hooks 24 are provided on the inner wall of the bottom shell 2, the outer edge of the cover 6 is provided with clamping portions 61, the number of the clamping portions 61 is consistent with the number of the hooks 24, and the hooks 24 are clamped on the corresponding clamping portions 61. When in assembly, the clamping part 61 on the cover body 6 is aligned with the clamping hook 24, the cover body 6 is pressed into the clamping hook 24, and the cover body 6 and the bottom shell 2 can be fixed by utilizing the deformation of the clamping hook 24.

In summary, the plurality of support columns 3 arranged along the outer edges of the support frames 11 are arranged on the lower surface of the support frames 11, so that the distance from the wire coil body 14 to the bottom of the bottom shell 2 is increased, namely, a ventilation channel is formed, and therefore, when the induction cooker operates, the flow of the air duct can pass through the upper side and the lower side of the wire coil body 14, so that the heat generated by the wire coil body 14 is taken away, the heat dissipation efficiency of the wire coil body 14 is improved, the wire coil body 14 is prevented from overheating, the normal operation of the induction cooker is maintained, and the service life of the induction cooker is prolonged. Screws/bolts are provided to effect the fixing of the support column 3 and the bracket 11. An upper heat insulating sheet 15 and a lower heat insulating sheet 13 are provided for isolating and reducing heat conduction. Mounting holes 113 are provided for providing mounting locations and space for assembly of the upper insulating sheet 15. Defining the upper insulating sheet 15 to be located in the first housing cavity 111 allows the induction cooker to be made thinner. A magnetic stripe 12 is provided for enhancing the magnetic field effect and facilitating the heating process. The provision of the second accommodation chamber 112 allows the thickness of the wire coil assembly 1 to be made thinner. And the radiator is arranged for enabling the inner cavity of the electromagnetic oven and the outside air to flow, so that heat in the inner cavity is taken away. The support 23 is provided for accelerating the dissipation of heat from the controller 5. A housing 6 is provided for housing the heat sink therein.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are 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", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.

Claims (10)

1. A wire coil assembly comprises a bracket arranged in a cavity formed by a bottom shell and a heating panel and a wire coil body arranged on the upper surface of the bracket; the bottom of the bottom shell is fixedly connected with a plurality of support columns, and the lower surfaces of the support columns are respectively fixedly connected with the inner wall of the bottom shell; the middle part of support undercut is formed with first accommodation chamber, the drum body is located in the first accommodation chamber.

2. The wire coil assembly of claim 1, wherein the support is provided with a plurality of through holes penetrating through the upper side wall and the lower side wall of the support, the number of the through holes is identical to that of the support columns, the middle part of each support column is provided with a threaded hole, and the support columns are fixedly connected through screws/bolts.

3. The wire coil assembly of claim 1, wherein an upper heat shield is disposed between the wire coil body and the heating panel, and a lower heat shield is disposed between the wire coil body and the bracket.

4. A wire coil assembly according to claim 3, wherein the top of the first receiving cavity is provided with oppositely disposed mounting holes, and the upper insulating sheet is provided with lugs of a number consistent with that of the mounting holes, the lugs being located in the corresponding mounting holes.

5. The wire coil assembly of claim 4, wherein the upper heat shield and the lugs are of unitary construction, the upper heat shield being spaced from the bottom of the bracket a distance less than the distance from the top of the first receiving cavity to the bottom of the bracket.

6. A wire coil assembly according to claim 3, wherein a plurality of magnetic strips are further provided between the lower insulating sheet and the support, the plurality of magnetic strips being provided on the upper surface of the support, respectively.

7. The wire coil assembly of claim 6, wherein the bottom surface of the bracket is recessed downward and formed with a plurality of second receiving cavities, the plurality of second receiving cavities extend radially toward the edge of the bracket along the center of the bracket, and the plurality of magnetic strips are disposed in the second receiving cavities in one-to-one correspondence.

8. An induction cooker, characterized by comprising a wire coil assembly according to any one of claims 1-7, a bottom shell, a heating panel covered on the bottom shell, a controller and a power supply assembly, wherein the controller and the power supply assembly are arranged on the inner wall of the bottom shell, the power supply assembly is connected with a mains supply through wires, and the power supply assembly is used for providing electric energy for the controller and the wire coil assembly; an air inlet is further formed in the inner wall of the bottom shell, an air outlet is formed in the side wall of the bottom shell, and the wire coil assembly is located between the air inlet and the air outlet; and a radiator is also arranged on the air outlet.

9. The induction cooker of claim 8, wherein said power assembly and said controller are both located below said wire coil assembly; and a support column is arranged between the controller and the bottom shell.

10. The induction cooker of claim 8, wherein a cover is fixedly connected to the outside of the radiator, a plurality of hooks are arranged on the inner wall of the bottom shell, clamping portions are arranged on the outer edge of the cover, the number of the clamping portions is consistent with that of the hooks, and the hooks are clamped on the corresponding clamping portions.