CN211155093U

CN211155093U - Electromagnetic heating cooking utensil

Info

Publication number: CN211155093U
Application number: CN201920563168.1U
Authority: CN
Inventors: 王红林
Original assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Current assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-08-04
Anticipated expiration: 2029-04-23

Abstract

The utility model provides an electromagnetic heating's cooking utensil, it includes a kind of deep pot body, lid and electromagnetic heating subassembly. The inner pot is arranged in the pot body; the electromagnetic heating component is arranged in the cooker body and is positioned below the inner pot. The electromagnetic heating assembly comprises a coil panel, a coil and a magnetism isolating cover. The coil panel is provided with a bottom wall and a side wall positioned around the bottom wall; the coil is arranged below the coil disc and comprises a bottom coil arranged outside the bottom wall and side coils arranged outside the side wall and spaced from the bottom coil; the magnetic shield is arranged below the coil, the bottom shielding part of the bottom coil, the side shielding part of the side coil and a connecting part connected between the bottom shielding part and the side shielding part are covered by the bottom side, and the connecting part is provided with a hollow hole. According to the utility model discloses a cooking utensil, the magnetism that bottom coil and lateral part coil produced is felt the line and is dispersed along the direction of pot in the orientation, plays the effect of gathering magnetism, sets up the fretwork hole simultaneously on connecting portion, plays subtract heavy and save material and radiating effect.

Description

Electromagnetic heating cooking utensil

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to an electromagnetic heating's cooking utensil.

Background

The current cooking utensil is to gather magnetism and shield the magnetic induction line generated after the coil is electrified by adding a magnetic strip on the coil disc and adding a metal magnetic separation sheet at the bottom of the product. The cooking utensil has excessive product parts, is relatively complex in product assembly, affects assembly efficiency and enables product production cost to be relatively high.

Therefore, there is a need to provide an electromagnetic heating cooking appliance to at least partially solve the above problems.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.

In order to solve the above problem at least partially, the utility model discloses an electromagnetic heating's cooking utensil, it includes:

the cooker body is internally provided with an inner pot;

the cover body is arranged on the cooker body in an openable and closable manner, and when the cover body covers the cooker body, a cooking space is formed between the cover body and the inner pot; and

electromagnetic heating subassembly, electromagnetic heating subassembly sets up in the a kind of deep pot body and be located the below of interior pot, electromagnetic heating subassembly includes:

a coil panel having a bottom wall and a side wall located around the bottom wall;

the coil is arranged below the coil panel and comprises a bottom coil arranged outside the bottom wall and a side coil arranged outside the side wall, and the bottom coil and the side coil are arranged at intervals; and

the magnetic shield comprises a bottom shielding part covered by the bottom side of the bottom coil, a side shielding part covered by the side coil and a connecting part connected between the bottom shielding part and the side shielding part, and the connecting part is provided with a hollow hole.

According to the utility model discloses a cooking utensil, magnetism shield include by the bottom side cover the bottom of bottom coil and cover the side of lateral part coil and shield the portion to can avoid the magnetic induction line that produces after bottom coil and the circular telegram of lateral part coil to disperse downwards, make it disperse along the direction of pot in the orientation, in order to play the effect of gathering magnetism, set up the fretwork hole simultaneously on connecting portion, not only can play subtract heavy and save material's effect, can also play radiating effect.

Optionally, the hollowed-out hole is configured as a fan-shaped annular through hole.

According to the scheme, the hollow holes are simple in structure, convenient to manufacture and easy to realize.

Optionally, the connecting portion has a plurality of hollow holes, the outer sides of the plurality of hollow holes are located on the same circumference, and the inner sides of the plurality of hollow holes are located on the other same circumference.

According to the scheme, under the condition that the strength of the magnetism isolating cover is ensured, hollow holes can be arranged as many as possible, so that the material consumption is reduced, and the production cost is reduced.

Optionally, the total area of the hollow holes is 5% to 30% of the area of the magnetism isolating cover.

According to the scheme, the weight of the magnetism isolating cover can be reduced and the production cost can be reduced under the condition of ensuring the strength of the magnetism isolating cover.

Optionally, the bottom shield completely covers the bottom coil and the side shield completely covers the side coil.

According to this scheme, the effect that the magnetism that separates the magnetism cover and can play the magnetic induction line that produces after bottom coil and lateral part coil circular telegram and scatter downwards is avoided betterly.

Optionally, the electromagnetic heating assembly further comprises a temperature sensing assembly fixed between the magnetic shield and the coil disc, the coil disc has a through hole, and the temperature sensing assembly extends through the through hole and abuts against the inner pot.

According to the scheme, the temperature sensing assembly is used for measuring the temperature of the inner pot.

Optionally, the magnetism isolating cover has a rib, the coil disc has a groove for accommodating the rib, and the groove is disposed at the circumferential outer side of the through hole, so that the rib can separate the bottom coil from the temperature sensing assembly.

According to this scheme, through setting up protruding muscle, protruding muscle can be spaced apart bottom coil and temperature sensing subassembly to avoid the temperature sensing subassembly to generate heat, make its temperature measurement inaccurate enough.

Optionally, the rib is at least 1mm higher than the bottom coil.

According to this scheme, protruding muscle can play better magnetism effect of separating, prevents that temperature sensing subassembly from generating heat.

Optionally, the thickness of the magnetism isolating cover is 0.8 mm-4 mm;

according to the scheme, the magnetic shield has light weight under the condition that the magnetic shield meets the function.

The magnetism isolating cover is made of a resin material added with at least one of copper wires, aluminum wires or carbon fibers through an injection molding process.

According to the scheme, the magnetic shield is simple in manufacturing process and convenient for batch production.

Optionally, the magnetic shield is connected to the coil disc by fasteners or/and snaps.

According to the scheme, the installation process of the magnetic shield is simple, and the production cost can be reduced.

Drawings

The following drawings of the embodiments of the present invention are provided as a part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles of the invention. In the drawings, there is shown in the drawings,

fig. 1 is an exploded perspective view of an electromagnetic heating assembly of a cooking appliance according to a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of a structure of an electromagnetic shield of the electromagnetic heating assembly of FIG. 1;

FIG. 3 is another schematic diagram of the electromagnetic shield of the electromagnetic heating assembly of FIG. 1;

fig. 4 is a schematic partial cross-sectional view of a cooking appliance of the present invention, in which only the electromagnetic heating device of fig. 1 of the inner pan is shown;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a schematic assembled top view of the electromagnetic heating assembly of fig. 1.

Description of reference numerals:

100: electromagnetic heating assembly 110: coil panel

111: through-hole 112: groove

113: the buckle 114: fitting hole

115: bottom wall 116: side wall

120: coil 121: bottom coil

122: side coil 130: magnetic shield

131: bottom shield portion 132: side shield

133: connecting portion 134: hollow hole

135: the convex rib 136: mounting hole

140: temperature sensing unit 141: temperature sensing cup

200: inner pot

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring embodiments of the present invention.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art.

The utility model provides an electromagnetic heating's cooking utensil. According to the utility model discloses a cooking utensil can be for electric rice cooker, electric pressure cooker or other cooking utensil, and cooking utensil except having the function of cooking rice, can also have various functions such as cooking congee, a kind of deep pot hot water.

The cooking device mainly includes a pot body and a lid (not shown). The cover body is arranged on the cooker body in an openable and closable manner. The pot body is substantially in the shape of a rounded rectangular parallelepiped and has a receiving portion in the shape of, for example, a cylinder. The inner pot 200 is arranged in the pot body, and the pot body comprises the electromagnetic heating assembly 100 which is positioned at the bottom side of the inner pot 200. The inner pot 200 may be made of a magnetically conductive material. The electromagnetic heating assembly 100 is disposed in the pot body below the inner pot 200 to heat the food material in the inner pot 200. The inner pot 200 may be configured to be freely put into or taken out of the receiving part to facilitate cleaning of the inner pot 200, or may be configured to be fixed to a pot body. The inner pot 200 is used to contain food materials to be heated, such as rice, soup, etc. When the cover body is covered on the pot body, a cooking space can be formed between the cover body and the inner pot 200. The cooker body is also internally provided with a control device, and a user can control the cooking operation of the cooking appliance through the control device.

The electromagnetic heating assembly 100 mainly includes a coil disk 110, a coil 120, and a magnetism isolating cover 130. The electromagnetic heating assembly 100 of the present invention will be described in detail with reference to fig. 1 to 6.

As shown in fig. 1, the coil disk 110 is substantially bowl-shaped. Specifically, the coil disk has a bottom wall 115 and a side wall 116 located around the bottom wall, the side wall 116 extending obliquely upward from the outer peripheral edge of the bottom wall 115. The coil 120 is disposed under the coil disk 110. Specifically, the coil 120 may be circumferentially disposed on the bottom surface of the coil disc 110. A plurality of snaps 113 may be provided on the coil disk 110 for fixing the coil 120 to prevent the coil 120 from being loosened. The coil 120 is energized to heat the food in the inner pot 200. In the present embodiment, the coil 120 includes a bottom coil 121 disposed outside the bottom wall 115 and a side coil 122 disposed outside the side wall 116, and the bottom coil 121 and the side coil 122 are disposed at an interval for heating the bottom and the side of the inner pot 200, respectively.

The magnetism shielding cover 130 is disposed below the coil 120. The shape of the shield 130 may correspond to the shape of the coil disk 110, i.e., be substantially bowl-shaped. The shield 130 may be attached to the coil disk 110 by fasteners (not shown) or/and snaps (not shown). Specifically, the magnet shield 130 may be provided with a mounting hole 136 on the magnet shield 130, a fitting hole 114 on the coil disk 110, and the magnet shield 130 may be mounted to the coil disk 110 by extending through the mounting hole 136 using a fastener and screwing into the fitting hole 114. In this embodiment, owing to set up magnetism shield 130, it has the same function with the magnetic stripe, consequently, magnetic stripe and magnetic stripe mounting bracket are saved to this application, can reduce part quantity, reduction in production cost.

Preferably, the magnetism isolating cover 130 is made of a resin material added with at least one of copper wires, aluminum wires or carbon fibers through an injection molding process, so that the magnetism isolating cover 130 can play a role in reflecting and shielding the magnetic induction lines. Preferably, the thickness of the magnetism isolating cover 130 is 0.8mm to 4 mm. For example, the thickness of the magnetism isolating cover 130 may be 2 mm.

The shield 130 includes a bottom shield portion 131 covering the bottom coil 121 by a bottom side and a side shield portion 132 covering the side coil 122, and a connection portion 133 connected between the bottom shield portion 131 and the side shield portion 132, the connection portion 133 having a hollow hole 134. Therefore, the magnetic shield 130 can prevent the magnetic induction lines generated after the bottom coil 121 and the side coil 122 are electrified from diffusing downwards, so that the magnetic induction lines are diffused along the direction towards the inner pot 200 to play a role of gathering magnetism, meanwhile, the connecting part 133 is provided with the hollow hole 134, the hollow hole 134 corresponds to the interval between the bottom coil 121 and the side coil 122, the shielding effect of the magnetic shield 130 on the bottom shielding part 131 and the side shielding part 132 is not influenced, the effects of reducing weight and saving materials can be played, and the heat dissipation effect can be played.

Preferably, the bottom shielding part 131 completely covers the bottom coil 121, and the side shielding parts 132 completely cover the side coils 122. Specifically, as shown in fig. 6, each of the broken line B1, the broken line B2, the broken line B3, and the broken line B4 is circular, wherein an annular region formed between the broken line B1 and the broken line B2 is a mounting region of the bottom coil 121, an annular region formed between the broken line B3 and the broken line B4 is a mounting region of the side coil 122, and the connecting portion 133 is located in an annular region formed between the broken line B2 and the broken line B3.

In the present invention, the hollow 134 is a fan-shaped through hole. Fig. 1 to 3 exemplarily show that the connecting portion 133 has four hollow holes 134, the outer sides of the four hollow holes 134 are located on the same circumference, and the inner sides are located on the other same circumference. Those skilled in the art will understand that the shape and number of the holes 134 are not limited to the embodiment, and the holes 134 may also be a kidney-shaped, circular, square, rectangular or polygonal through hole, and the holes 134 may be any number of combined numbers, as required.

Preferably, the total area of the hollow holes 134 is 5% to 30% of the area of the magnetism isolating cover 130. It should be noted that, in this document, "the total area of the hollow holes 134" is defined as the sum of the areas occupied by the hollow holes 134 on the bottom surface of the magnetism isolating cover 130, and "the area of the magnetism isolating cover 130" is correspondingly defined as the area of the bottom surface of the magnetism isolating cover 130. Therefore, the weight of the magnetism isolating cover 130 can be reduced and the production cost can be reduced under the condition of ensuring the strength of the magnetism isolating cover 130.

As shown in fig. 4 and 5, the electromagnetic heating assembly 100 further includes a temperature sensing assembly 140 fixed between the magnetism isolating cover 130 and the coil panel 110 for measuring the temperature of the inner pot 200. The coil disk 110 has a through hole 111. The through hole 111 may be located at the bottom center of the coil disk 110, and may be configured as a circular through hole 111. The temperature sensing assembly 140 extends through the through hole 111 and abuts against the inner pot 200. Specifically, the top surface of the temperature sensing assembly 140 may abut against the bottom surface of the inner pan 200. Further, the temperature sensing assembly 140 has a temperature sensing cup 141 at the top, and the top surface of the temperature sensing cup 141 can abut against the bottom surface of the inner pan 200. The temperature sensing cup 141 is generally made of a high temperature resistant metal material, such as an aluminum alloy.

In the present invention, the magnetism insulating cover 130 has the convex rib 135 in order to prevent the magnetic induction line generated after the bottom coil 121 is energized from heating the temperature sensing cup 141. The bead 135 may be configured to extend in the circumferential direction. Correspondingly, the coil disk 110 has recesses 112 which accommodate the ribs 135. The groove 112 is configured to open downward. The groove 112 is provided at a circumferential outer side of the through hole 111 so that the rib 135 can space the bottom coil 121 and the temperature sensing assembly 140 apart. Specifically, the rib 135 can separate the bottom coil 121 from the temperature sensing cup 141, so as to prevent the temperature sensing cup 141 from heating due to the magnetic induction lines generated after the bottom coil 121 is energized, thereby affecting the temperature measurement accuracy of the temperature sensing assembly 140. Preferably, as shown in fig. 5, the rib 135 is at least 1mm higher than the bottom coil 121 by the height H.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.

Claims

1. An electromagnetically heated cooking appliance, comprising:

the cooker body is internally provided with an inner pot;

an electromagnetic heating assembly (100) disposed in the pot body and located below the inner pan, the electromagnetic heating assembly comprising:

a coil disc (110) having a bottom wall (115) and a side wall (116) located around the bottom wall;

a coil (120) disposed below the coil panel, the coil including a bottom coil (121) disposed outside the bottom wall and a side coil (122) disposed outside the side wall, the bottom coil being spaced apart from the side coil; and

a magnetic shield (130) disposed below the coil, the magnetic shield including a bottom shield portion (131) covering the bottom coil from a bottom side and a side shield portion (132) covering the side coil, and a connection portion (133) connected between the bottom shield portion and the side shield portion, the connection portion having a hollow hole (134).

2. The electromagnetic heating cooking appliance of claim 1, wherein the hollowed out hole is configured as a fan-ring shaped through hole.

3. The electromagnetic heating cooking appliance of claim 2, wherein the connecting portion has a plurality of hollowed-out holes, the outer sides of the hollowed-out holes are located on a same circumference, and the inner sides of the hollowed-out holes are located on another same circumference.

4. The electromagnetic heating cooking appliance of claim 1, wherein the total area of the hollowed-out holes is 5-30% of the area of the magnetic shield.

5. An electromagnetic heating cooking appliance as claimed in claim 1, wherein the bottom shield completely covers the bottom coil and the side shields completely cover the side coils.

6. The electromagnetic heating cooking appliance of claim 1, wherein the electromagnetic heating assembly further comprises a temperature sensing assembly (140) secured between the shield and the coil disk, the coil disk having a through hole (111) through which the temperature sensing assembly extends and abuts the inner pan.

7. The electromagnetic heating cooking appliance according to claim 6, wherein the magnetism isolating cover has a rib (135), and the coil disk has a groove (112) accommodating the rib, the groove being provided circumferentially outside the through hole so that the rib can space the bottom coil and the temperature sensing assembly apart.

8. An electromagnetic heating cooking appliance as claimed in claim 7, wherein the ribs are at least 1mm higher than the bottom coil.

9. The electromagnetic heating cooking appliance of claim 1,

the thickness of the magnetism isolating cover is 0.8 mm-4 mm; and/or

10. The electromagnetic heating cooking appliance according to claim 1, wherein the shield is connected to the coil disc by fasteners or/and snaps.