CN215935128U

CN215935128U - Cooking utensil and coil panel assembly thereof

Info

Publication number: CN215935128U
Application number: CN202121172596.5U
Authority: CN
Inventors: 瞿义; 毛琦; 王本新
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-03-01
Anticipated expiration: 2031-05-28

Abstract

The application provides a cooking utensil and coil panel subassembly thereof, this coil panel subassembly includes: the periphery of the coil bracket is provided with a plurality of wire slots; the coil is wound in the wire groove; the temperature measuring device is arranged on the coil bracket and is positioned on the inner side of the coil; the magnetism isolating sheet is arranged between the coil and the temperature measuring device; and the coil disc seat covers the upper side of the coil bracket and is provided with a through groove for exposing the temperature measuring device. The magnetic shielding sheet can be used for shielding a magnetic field generated by the coil for the temperature measuring device, so that the pin of the temperature measuring device is prevented from heating due to the magnetic field, and the temperature measuring device can accurately measure the temperature.

Description

Cooking utensil and coil panel assembly thereof

Technical Field

The present application relates to a cooking appliance and a coil panel assembly thereof.

Background

The existing cooking appliance with a stirring function is characterized in that a stirring device is positioned in an inner pot and used for stirring food, a motor and a transmission device driven by the motor are arranged at the bottom of the cooking appliance, and the transmission device penetrates through a coil disc assembly and is connected with the stirring device to drive the stirring device to rotate. Because transmission need be located the central point of the pot body and put, the center hole of centre department need be reserved for transmission promptly for coil disc subassembly's wire winding support and coil disc seat, and temperature measuring device can only install the one side of the center hole on the wire winding support, adopts this kind of mode of setting, and the wire winding support produces magnetic field after the circular telegram, can produce great influence to temperature measuring device, leads to the temperature measurement inaccurate.

Accordingly, there is a need for improvements in existing cooking appliances and coil plate assemblies thereof.

SUMMERY OF THE UTILITY MODEL

The application provides a cooking utensil and coil panel subassembly thereof can avoid the magnetic field that the coil produced to cause temperature measuring device's pin phenomenon of generating heat.

Specifically, the method is realized through the following technical scheme: a coil panel assembly comprising: the periphery of the coil bracket is provided with a plurality of wire slots; the coil is wound in the wire slot; the temperature measuring device is arranged on the coil bracket and is positioned on the inner side of the coil; the magnetism isolating sheet is arranged between the coil and the temperature measuring device; and the coil disc seat covers the upper side of the coil bracket and is provided with a through groove exposing the top of the temperature measuring device. The magnetic shielding sheet can shield the temperature measuring device from a magnetic field generated by the coil, so that the pin of the temperature measuring device is prevented from heating due to the magnetic field, and the temperature measuring device can accurately measure the temperature.

According to one embodiment of the application, the two ends of the magnetic separation sheet respectively exceed the two ends of the temperature measuring device so as to surround and shield the temperature measuring device and better shield a magnetic field generated by the coil.

According to one embodiment of the application, the magnetic shield sheet extends upwards within 1mm of the adjacent coil. The magnetism isolating sheet upwards exceeds the coil to form a better magnetic field shielding effect, and the control distance is within 1mm to avoid the magnetism isolating sheet from interfering with the coil base on the upper side.

According to one embodiment of the application, the central line of the magnetism-isolating sheet is defined as a first direction, the direction perpendicular to the first direction is defined as a second direction, and the distance between the tail end of the magnetism-isolating sheet and the tail end of the temperature measuring device is more than 10mm in the second direction. So set up, can effectively avoid the magnetic leakage, for temperature measuring device effectively shields magnetic field.

According to an embodiment of this application, still including ann corresponding the coil dress is in a plurality of first magnetic stripes on the peripheral region bottom surface, it is a plurality of first magnetic stripe is radial transmission form and distributes, the magnetism sheet surpasss downwards more than 2mm of first magnetic stripe. This improves the shielding effect against the magnetic field.

According to one embodiment of the application, the coil support further comprises a transmission device, a through center hole is formed in the center of the coil support, a protruding portion protruding into the center hole is formed in the coil disc seat, and a through hole is formed in the protruding portion; the transmission device is installed in the through hole and comprises a transmission shaft and a coupler positioned at the top of the transmission shaft, wherein the coupler is exposed out of the surface of the coil disc seat and is used for being connected with a butt joint coupler of the inner pot to drive the stirring assembly to rotate.

According to an embodiment of this application, still including installing a plurality of second magnetic stripes on the coil bracket, it is a plurality of the second magnetic stripe reaches it arranges to separate the magnetic sheet and is the centre on the annular of centre bore to form the shielding ring who encircles the centre bore, avoid the transmission shaft to generate heat.

According to an embodiment of this application, coil bracket is equipped with and places respectively magnetic shield piece temperature measuring device and a plurality of standing grooves of second magnetic stripe to reliably place magnetic shield piece, temperature measuring device and second magnetic stripe respectively.

According to one embodiment of the application, the coil support is provided with a through central hole and a plurality of through heat dissipation holes surrounding the central hole at the center, so that effective heat dissipation can be provided for the inside of the coil disc assembly.

The application can also be realized through the following technical scheme, a cooking utensil, includes aforementioned coil panel subassembly.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a perspective view of a coil disc assembly of a cooking appliance according to an embodiment of the present application.

Fig. 2 is an exploded view of a coil disc assembly of a cooking appliance according to an embodiment of the present application.

Fig. 3 is a partial perspective cross-sectional view of the coil disc assembly of fig. 1.

Fig. 4 is a perspective top view of the coil disc assembly of fig. 1.

FIG. 5 is a schematic diagram showing the relative positions of the magnetic shielding sheet and the temperature measuring device of the coil disc assembly.

Description of reference numerals:

the coil support comprises a coil support 1, a central area 11, a peripheral area 12, a convex rib 13, a wire slot 14, a central hole 16, a placing groove 17, a heat dissipation hole 18, a coil 2, a coil disc seat 3, a through groove 30, a protruding portion 31, a through hole 32, a temperature measuring device 4, a thermistor 41, a pin 42, a magnetism isolating sheet 5, a first magnetic strip 6, a transmission device 7, a transmission shaft 71, a coupler 72 and a second magnetic strip 8.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of devices, systems, apparatuses, and methods consistent with aspects of the present application.

The present application relates to a cooking appliance and a coil panel assembly thereof, which may be an electric pressure cooker, an electric rice cooker, etc., the coil panel assembly serving as a heat source for heating an inner pot. Referring to fig. 1 and 2, the coil panel assembly includes a coil support 1, a coil 2, a coil panel base 3, and a temperature measuring device 4.

The coil support 1 is approximately in a disc shape, the top surface of the periphery is provided with a plurality of convex ribs 13 and a plurality of wire slots 14 formed by adjacent convex ribs 13, and the coil 2 is wound and fixed in the wire slots 14. The temperature measuring device 4 is arranged on the top side of the coil support 1 and is positioned on the inner side of the coil 2. The coil holder 1 is provided with a receiving groove 15 for receiving the temperature measuring device 4, and the bottom of the receiving groove 15 is penetrated so as to be connected with a lead wire (not shown). The coil base 3 is covered on the upper side of the coil support 1 and is provided with a through groove 30 exposing the top of the temperature measuring device 4, so that the surface of the temperature measuring device 4 is attached to the bottom of an inner pot (not shown) to detect the temperature of the bottom of the inner pot.

The coil panel component also comprises a magnetism isolating sheet 5, wherein the magnetism isolating sheet 5 is arranged on the top side of the coil support 1 and is positioned between the coil 2 and the temperature measuring device 4. Because the temperature measuring device 4 comprises the thermistor 41, the pin 42 of the thermistor 41 is easily affected by a magnetic field to generate heat, which affects the accuracy of temperature measurement, and the magnetism isolating sheet 5 can isolate the magnetic field generated by the coil 2, thereby avoiding the pin 42 of the thermistor 41 from generating heat due to the magnetic field, and ensuring that the temperature measuring device 4 can accurately measure the temperature.

The magnetic shielding sheet 5 is made of magnetic material, preferably copper, and has good magnetic field shielding effect. In this embodiment, magnetism isolating sheet 5 is the arc, and the arc length of magnetism isolating sheet 5 is greater than temperature measuring device 4's length, and follows in temperature measuring device 4's length direction, magnetism isolating sheet 5's both ends surpass respectively temperature measuring device 4 both ends form to encircle the effect of sheltering from temperature measuring device 4, and the magnetic field that coil 2 produced is shielded better, avoids the temperature measuring device 4 pin 42 phenomenon of generating heat that magnetic field leads to.

As shown in fig. 5, the magnetism isolating sheet 5 and the temperature measuring device 4 are disposed in a manner that the center lines of the two are overlapped, the center line is defined as a first direction, the direction perpendicular to the first direction is a second direction, and the distance D from the tail end of the magnetism isolating sheet 5 to the tail end of the temperature measuring device 4 in the second direction is more than 10mm, so that magnetic leakage can be effectively avoided, and the magnetic field can be effectively shielded by the temperature measuring device 4.

Referring to fig. 3, the distance that the magnetism shielding sheet 5 extends upwards beyond the adjacent coil 2 is within 1mm, that is, the vertex of the magnetism shielding sheet 5 is located above the vertex of the adjacent coil 2, and the vertical distance is not more than 1 mm. The magnetism isolating sheet 5 upwards exceeds the coil 2 to form a better magnetic field shielding effect, and the control distance is within 1mm to avoid the magnetism isolating sheet 5 from interfering with the coil disc seat 3 on the upper side.

For convenience of description, in a plan view, a portion of the coil support 1 located inside the coil 2 is defined as a central region 11, and the other region surrounding the central region 11 is defined as a peripheral region 12. The aforementioned receiving groove 15 is located in the central area 11 and the raceway 14 is located in the peripheral area 12.

As shown in fig. 4, the coil disc assembly further includes a plurality of first magnetic strips 6 installed on the bottom surface of the peripheral area 12 of the coil support 1 corresponding to the coil 2, and the plurality of first magnetic strips 6 are radially distributed in an emitting manner, so as to prevent the magnetic field generated by the coil 2 from affecting the lower side of the coil disc assembly. The magnetism isolating sheet 5 exceeds the first magnetic strip 6 downwards by more than 2mm, namely the bottom surface of the magnetism isolating sheet 5 is positioned at the lower side of the bottom surface of the first magnetic strip 6, and the vertical distance is more than 2 mm. By such an arrangement, the shielding effect on the magnetic field can be improved.

Referring to fig. 2 and 3, the cooking appliance has a stirring function, and a stirring assembly (not shown) is provided in an inner pot (not shown) for stirring food in the inner pot. Correspondingly, a motor (not shown) for driving the stirring component to rotate is arranged at the bottom of the cooker body. Therefore, the coil panel assembly further comprises a transmission device 7, and the motor drives the stirring assembly through the transmission device 7.

A central hole 16 is provided through the coil support 1 at the center thereof, the central hole 16 being located at the center of the central area 11. The coil disc holder 3 is provided with a protrusion 31 protruding into the central hole 16, a through hole 32 is provided in the protrusion 31, and the transmission device 7 is installed in the through hole 32. The interior of the through hole 32 can be in the form of a stepped hole, so that the transmission device can be conveniently fixed. The transmission device 7 comprises a transmission shaft 71 and a coupling 72 fixed on the top of the transmission shaft 71, the coupling 72 is connected with a butt coupling on the inner pot (not shown), and the bottom of the transmission shaft 71 is connected with a motor (not shown). During assembly, the transmission device 7 is inserted into the through hole 32 from top to bottom, the transmission shaft 71 is exposed out of the coil support 1, and the coupler 72 is exposed out of the surface of the coil disc seat 3 and used for being connected with the butt coupler of the inner pot to drive the stirring assembly to rotate.

The transmission shaft 71 is a metal piece, so that the phenomenon that the transmission shaft 71 in the central hole 16 generates heat due to a magnetic field generated by the coil 2 is avoided, the coil disc assembly further comprises a plurality of second magnetic strips 8 arranged on the top side of the coil support 1, the second magnetic strips 8 are rectangular blocks, the plurality of second magnetic strips 8 and the magnetic shielding sheets 5 are arranged in an annular shape surrounding the central hole 16 to form a shielding ring surrounding the central hole 16, and the transmission shaft 71 can be prevented from generating heat. As another alternative embodiment, the second magnetic stripe 8 may be correspondingly disposed on the radially outer side of the magnetic shielding sheet 5, so as to further improve the shielding effect.

As mentioned above, the magnetic shielding sheet 5 and the second magnetic stripe 8 are disposed on the top side of the central region 11, and for fixing these components, the central region 11 is correspondingly provided with a plurality of placing slots 17 for securely placing the magnetic shielding sheet 5 and the second magnetic stripe 8, respectively, wherein the bottom of the placing slots 17 is not through. The coil support center is also provided with a plurality of through heat dissipation holes 18, and the heat dissipation holes 18 are located in the central area 11 and arranged around the central hole 16, so that effective heat dissipation can be provided for the inside of the coil disc assembly.

This application cooking utensil's coil disc subassembly sets up magnetism isolating sheet 5 between temperature measuring device 4 and coil 2, can avoid temperature measuring device 4's pin 42 to generate heat and lead to the inaccurate problem of temperature measurement.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Terms such as "upper," "lower," "left," "right," "front," "back," "thickness," "radial," "axial," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures, and are not limited to one position or one spatial orientation. It will be understood that the spatially relative positional terms may be intended to encompass different orientations than those shown in the figures, depending on the location of the product being produced, and should not be construed as limiting. In addition, the descriptor "horizontal" as used herein is not entirely equivalent to allowing an angular tilt along a direction perpendicular to the direction of gravity.

The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.

It should be noted that when an element is referred to as being "secured …" to another element, it can be directly on the surface of the other element or can be spaced apart from the surface of the other element. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It should be understood that the terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. "plurality" or "multiple layers" and the like mean two or more.

The cooking utensil of the present application is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A coil disc assembly, comprising:

the coil support (1) is provided with a plurality of wire grooves (14) at the periphery;

the coil (2) is wound in the wire slot (14);

the temperature measuring device (4) is arranged on the coil bracket (1) and is positioned on the inner side of the coil (2);

the magnetism isolating sheet (5) is arranged between the coil (2) and the temperature measuring device (4);

and the coil disc seat (3) is covered on the upper side of the coil bracket (1) and is provided with a through groove (30) exposing the top of the temperature measuring device (4).

2. Coil panel assembly according to claim 1, wherein the two ends of the magnetic shielding sheet (5) extend beyond the two ends of the temperature measuring device (4) along the length direction of the temperature measuring device (4) to cover the temperature measuring device (4) in a surrounding manner.

3. A coil disk assembly according to claim 2, characterized in that the center line of the magnetism-isolating sheet (5) is defined as a first direction, the direction perpendicular to the first direction is defined as a second direction, and the distance from the end of the magnetism-isolating sheet (5) to the end of the temperature measuring device (4) in the second direction is 10mm or more.

4. A coil disc assembly according to claim 1, characterized in that the magnetism insulator sheet (5) extends up to within 1mm beyond the adjacent coil (2).

5. The coil panel assembly according to claim 1, further comprising a plurality of first magnetic strips (6) installed on the bottom surface of the coil support (1) corresponding to the coil (2), wherein the plurality of first magnetic strips (6) are radially distributed in an emitting manner, and the magnetic shielding sheet (5) extends downwards more than 2mm beyond the first magnetic strips (6).

6. Coil disc assembly according to claim 1, further comprising a transmission device (7), wherein a central hole (16) is formed through the coil support (1) at the center, the coil disc holder (3) is provided with a protrusion (31) protruding into the central hole (16), and a through hole (32) is formed in the protrusion (31); transmission device (7) are installed in through-hole (32), include transmission shaft (71) and be located shaft coupling (72) at transmission shaft (71) top, shaft coupling (72) expose outside coil panel seat (3) surface.

7. A coil disc assembly according to claim 6, further comprising a plurality of second magnetic strips (8) mounted on the coil support (1), the plurality of second magnetic strips (8) and the magnetic shield (5) being arranged in a ring around the central hole (16).

8. Coil tray assembly according to claim 7, characterized in that the coil support (1) is provided with several placing slots (17) for placing the magnetic shielding sheet (5), the temperature measuring device (4) and the second magnetic strips (8), respectively.

9. Coil disc assembly according to claim 1, characterized in that the coil support (1) is provided with a through central hole (16) in the center and a number of through heat dissipation holes (18) surrounding the central hole (16).

10. A cooking appliance, characterized in that it comprises a coil disc assembly according to any of claims 1 to 9.