CN108236383B - Heating plate assembly and cooking appliance - Google Patents

Abstract

The application provides a heating plate component and a cooking appliance, wherein the heating plate component comprises: a heat insulating ring made of a heat insulating material; and the heating disc module is arranged in the heat insulation ring. According to the heating plate assembly, the heating plate module is arranged in the heat insulation ring, so that the heat insulation ring is blocked and protected at the periphery of the heating plate module, a user is prevented from directly touching the side face of the heating plate module, the probability of scalding the user is reduced, the safety of a product is improved, when the heating plate module is assembled on the base of a cooking appliance, the heat insulation ring can play a role in resisting heat between the heating plate module and the base of the cooking appliance, the temperature rise on the base is reduced, the effects of preventing scalding and delaying ageing of electronic elements in the base are achieved, meanwhile, the heat loss on the heating plate module is reduced, and the energy efficiency of the product is improved.

Description

Heating plate assembly and cooking appliance

Technical Field

The application relates to the field of kitchen appliances, in particular to a heating disc assembly and a cooking appliance.

Background

In the existing electric cooking appliance, a heating plate is generally arranged on a base, so that when the cooker is positioned on the base, the cooker on the base is heated by the heating plate to cook, however, due to the fact that the temperature of a heating plate body is high in the working process, a user is easy to scald when carelessly touching the heating plate body, and the heating plate body works to cause the problem that the base is overheated and the temperature rises, electronic elements in the base are easy to age.

Disclosure of Invention

In order to solve at least one of the above problems, an object of the present application is to provide a heat generating disc assembly.

Another object of the present application is to provide a cooking appliance having the above-mentioned heating pan assembly.

To achieve the above object, an embodiment of a first aspect of the present application provides a heat generating plate assembly, including: a heat insulating ring made of a heat insulating material; the heating plate module is arranged in the heat insulation ring and comprises a heating element and/or an infrared radiation piece.

According to the heating plate assembly, the heating plate module is arranged in the heat insulation ring, so that the heat insulation ring is blocked and protected at the periphery of the heating plate module, a user is prevented from directly touching the side face of the heating plate module, the probability of scalding the user is reduced, the safety of a product is improved, when the heating plate module is assembled on the base of a cooking appliance, the heat insulation ring can play a role in resisting heat between the heating plate module and the base of the cooking appliance, the temperature rise on the base is reduced, the effects of preventing scalding and delaying ageing of electronic elements in the base are achieved, meanwhile, the heat loss on the heating plate module is reduced, and the energy efficiency of the product is improved.

In addition, the heating plate assembly in the above embodiment provided by the application can also have the following additional technical features:

in the technical scheme, the heating disc module is clamped with the heat insulation ring.

In this scheme, set up heating plate module and insulating ring joint, preferably, be constructed to realize the joint cooperation through rotatory mode between heating plate module and the insulating ring, make and form the direct connection between heating plate module and the insulating ring, can do benefit to like this and guarantee the assembly precision between heating plate module and the insulating ring, avoid the too big problem that heating plate module of assembly error exposes, and because the joint structure has the advantage of conveniently tearing open, the dress, do benefit to the assembly efficiency of guaranteeing the product, of course, the structural style that can realize heating plate module and insulating ring assembly has multiple, for example heating plate module and insulating ring pass through threaded connection etc. here no longer enumerates, but under the prerequisite that does not deviate from this design concept, all belong to the protection scope of this scheme.

In the above technical scheme, the heating plate module with be provided with the catching groove on one of the thermal-insulated ring, the opening orientation of catching groove the heating plate module with the tangential of one of the thermal-insulated ring, the heating plate module with be provided with the lug on the another of the thermal-insulated ring, the heating plate module is in along predetermineeing the direction rotation in the thermal-insulated ring, make the lug joint to in the catching groove.

In this scheme, set up the tangential of the opening orientation of catching groove its place heating plate module or thermal-insulated ring, through making the heating plate module rotatory make the lug joint in the catching groove in the thermal-insulated ring, it is fixed to realize the joint of heating plate module and thermal-insulated ring, the fixed unstable problem of heating plate module is solved, and this structure can make the axial spacing cooperation of reliability between heating plate module and the thermal-insulated ring, further ensure the installation reliability and the steadiness of heating plate module and thermal-insulated ring, in addition, this design has simple structure, the equipment is easy and simple to handle's characteristics, can effectively guarantee the packaging efficiency of product.

Of course, this scheme is not limited to this, for example, also can set up the orientation of catching groove as required for making the lug along axial joint to the catching groove in, for example, can also set up first screw thread on the insulating ring, set up the second screw thread on the heating plate module, first screw thread and second screw thread are the internal screw thread for one, in order to realize through the spiro union mode that insulating ring and heating plate module are fixed.

In the above technical scheme, the heat insulation ring is provided with the backstop portion on one of the heat generation disc module, is provided with the spacer that can be bent on the other, after the lug joint is in the catching groove, bend the spacer make the spacer can with the backstop portion supports against, in order to restrict the heat generation disc module is in the heat insulation ring is followed the reverse rotation of predetermineeing the direction.

In the scheme, one of the heat insulation ring and the heating plate module is provided with the stop part, the other one is provided with the locating piece, and in the sleeving process of the heating plate module and the heat insulation ring, the locating piece is in an unbent state (for example, the locating piece is in a state of extending approximately along the axial direction) so as to give way the sleeving of the heating plate module and the heat insulation ring, the product assembly is convenient, after the lugs are clamped into the buckling grooves, the locating piece is bent to interfere with the stop part (for example, the locating piece is bent to enable the locating piece to be in a state of extending approximately along the radial direction), so that the reverse rotation of the heating plate module in the heat insulation ring along the preset direction is limited, the lugs are limited in the buckling grooves, the problem that the heating plate module and the heat insulation ring are loosened is avoided, and the stability of the product is further improved.

In the above technical scheme, two buckling grooves are formed in one of the heating plate module and the heat insulation ring, the two buckling grooves are symmetrically arranged on the one of the heating plate module and the heat insulation ring, and two lugs are correspondingly arranged on the other of the heating plate module and the heat insulation ring.

In this scheme, set up a plurality of catching grooves along the circumference interval arrangement of dish module or thermal-insulated ring that generates heat to set up corresponding a plurality of lugs and a plurality of catching grooves one-to-one cooperation, like this, can make dish module that generates heat and thermal-insulated ring form even joint fixed knot structure in circumference, for the scheme that sets up a catching groove and lug and fix, can avoid the dish module that generates heat at the problem of thermal-insulated intra-annular slope, with this can avoid because the joint that generates heat and incline the dish module and arouse become flexible and with the pan poor scheduling problem of laminating, ensure product reliability.

In any of the above technical solutions, the heating plate module includes: a tray body; the reflecting cover and the heat insulation ring form an accommodating groove with an opening at one end, and the tray body is positioned in the accommodating groove.

In the scheme, the tray body is arranged in the accommodating groove formed by the reflecting cover and the heat insulation ring, so that heat loss on the non-working surface of the tray body can be reduced to the greatest extent, the energy efficiency of a product is improved, heat radiation born by the base for bearing the heating tray assembly is correspondingly reduced, the effects of preventing scalding and delaying ageing of electronic elements in the base are achieved, more particularly, the heat insulation ring can prevent heat of the tray body from radiating outwards in the radial direction so as to inhibit temperature rise of the base, and the reflecting cover can reflect the heat radiated downwards by the tray body back to the tray body, and especially for the scheme that the heating tube of the tray body is adjacent to the bottom end of the tray body, the heat loss of the tray body is greatly reduced, and the energy efficiency of the product is improved.

In the technical scheme, the reflecting cover is embedded in the heat insulation ring; and/or the reflecting cover is provided with a groove, and the tray body is arranged in the groove; and/or the reflecting cover is connected with the tray body, and any one of the reflecting cover and the tray body is connected with the heat insulation ring, so that the heat insulation ring, the reflecting cover and the tray body form a module structure.

In the scheme, the reflecting cover is embedded in the heat insulation ring, so that the heat insulation ring can play a role in resisting heat between the reflecting cover and the base, thereby reducing the temperature rise on the base, playing a role in preventing scalding and delaying aging of electronic elements in the base; the reflecting cover is provided with the groove, the tray body is arranged in the groove, on one hand, the groove can play a role in assembly and positioning, so that the assembly efficiency and the assembly precision of a product are improved, and on the other hand, the reflecting cover can form a coating structure on the tray body, so that the reflecting area of the reflecting cover can be further improved, the reflectivity of heat is improved, and the energy efficiency of the product is ensured; the reflecting cover is connected with the tray body, any one of the reflecting cover and the tray body is connected with the heat insulation ring, and the heat insulation ring, the reflecting cover and the tray body form a module structure, so that the heating tray component and the base can be assembled through one-time assembly, the heating tray component can be assembled on a production line of the cooking appliance conveniently, and the assembly efficiency and the assembly precision of products are improved.

In the above technical scheme, the disk body is provided with the screw hole, be provided with the through-hole on the reflector, the screw fastener passes the through-hole with the screw hole is connected.

In this scheme, set up between disk body portion and the bowl through threaded fastener (such as screw, bolt) and fix, this connection structure has higher joint strength and stability, can avoid not hard up problem between disk body portion and the bowl, ensures the relative position precision between disk body portion and the bowl to guarantee that the bowl can effectively keep in the higher position department to the heat reflectivity in the long-term use of product, in order to ensure product energy efficiency.

In any of the above technical solutions, a fixing portion is provided on one of the heat insulation ring and the heating plate module, and the heating plate assembly is connected to the base of the cooking appliance through the fixing portion.

In this scheme, set up the fixed part that is used for being connected with cooking appliance's base on one of thermal-insulated ring and heating plate module, can further improve the assembly efficiency of product.

In the above technical scheme, the fixed part comprises a clamping structure, and the heating disc assembly is clamped on the base through the clamping structure.

In this scheme, set up the fixed part and be the joint structure, make the dish subassembly that generates heat fixed through joint structure and base joint, because the joint mode has the characteristics of high efficiency in the assembly, can further promote the packaging efficiency of product.

Of course, the present solution is not limited to this, and for example, the fixing portion is provided with an internal thread or an external thread structure located on the heat insulation ring or the reflective cover, so that the heat insulation ring or the reflective cover is screwed with a corresponding thread structure on the base to achieve fixing.

In any of the above embodiments, a gap is formed between the tray body and the heat insulating ring.

In this scheme, set up to be formed with the clearance between disk body portion and the thermal-insulated ring, can avoid thermal-insulated ring and disk body portion direct heat conduction like this to promote the thermal-insulated effect on the thermal-insulated ring, in addition, further preferred thermal-insulated ring and disk body portion pass through the reflector and connect, with this heat transfer volume that further reduces disk body portion to the thermal-insulated ring, reduce thermal-insulated ring temperature, in addition, through setting up the fixed part on the thermal-insulated ring, with the optimal scheme that obtains restraining the base temperature rise, realize the base and prevent scalding, and delay electronic component's ageing on the base, extension product life.

An embodiment of the second aspect of the present application provides a cooking appliance, including: the heating plate assembly described in any one of the above-mentioned aspects; the base, the dish subassembly that generates heat sets up on the base.

The cooking appliance provided by the application has all the beneficial effects due to the heating plate assembly in any one of the technical schemes, and is not repeated here.

Optionally, the cooking appliance is a breakfast machine, an electric stewpot or an electric rice cooker.

Additional aspects and advantages of the application will be set forth in part in the description which follows, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic perspective view of a heat-generating plate assembly according to an embodiment of the present application;

fig. 2 is an enlarged schematic view of the portion a shown in fig. 1;

FIG. 3 is a schematic view of the three-dimensional structure of the heat-generating plate assembly shown in FIG. 1 from another perspective;

FIG. 4 is a schematic view of an exploded view of a heat-generating plate assembly according to one embodiment of the present application;

fig. 5 is an enlarged schematic view of the portion B shown in fig. 4;

FIG. 6 is a schematic view of an exploded structure of the heat-generating plate assembly shown in FIG. 4 from another perspective;

FIG. 7 is a schematic top view of a heat-generating plate assembly according to one embodiment of the present application;

FIG. 8 is a schematic cross-sectional view of the C-C direction shown in FIG. 7;

fig. 9 is a schematic cross-sectional view of a base of a cooking appliance according to an embodiment of the present application;

fig. 10 is a schematic view of a cooking appliance according to an embodiment of the present application in a state.

Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 10 is:

100 heating plate components, 10 heat insulation rings, 11 buckling grooves, 111 openings, 12 stop parts, 13 clamping structures, 20 heating plate modules, 21 lugs, 22 positioning sheets, 24 reflecting covers, 241 grooves, 25 plate parts, 30 threaded fasteners, 200 bases, 300 saucepans and 400 upper covers.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.

A heating pan assembly and a cooking appliance according to some embodiments of the present application are described below with reference to fig. 1 to 10.

As shown in fig. 1 to 9, a heat generating plate assembly 100 according to an embodiment of a first aspect of the present application includes: the heat insulating ring 10 and the heat generating plate module 20, specifically, the heat insulating ring 10 is made of a heat insulating material such as plastic, rubber, silica gel, or the like; a heat-generating plate module 20 is disposed within the insulating ring 10, the heat-generating plate module 20 comprising heat-generating elements and/or infrared radiation.

Preferably, the material of the heat insulation ring 10 is PET (polyethylene terephthalate).

According to the heating plate assembly 100 provided by the application, the heating plate module 20 is arranged in the heat insulation ring 10, so that the heat insulation ring 10 is blocked and protected at the periphery of the heating plate module 20, the direct contact of a user with the side surface of the heating plate module 20 is avoided, the scalding probability of the user is reduced, the product safety is improved, and when the heating plate module 20 is assembled on the base 200 of a cooking appliance, the heat insulation ring 10 can play a role in heat resistance between the heating plate module 20 and the base 200 of the cooking appliance, so that the temperature rise on the base 200 is reduced, the effects of preventing scalding and delaying the aging of electronic elements in the base 200 are achieved, meanwhile, the heat loss on the heating plate module 20 is reduced, and the energy efficiency of the product is improved.

In an embodiment of the present application, preferably, the heat-generating plate module 20 is clamped with the heat-insulating ring 10, so that the heat-generating plate module 20 and the heat-insulating ring 10 are directly connected, which is beneficial to ensuring the assembly precision between the heat-generating plate module 20 and the heat-insulating ring 10, avoiding the problem of exposing the heat-generating plate module 20 due to excessive assembly error, and being beneficial to ensuring the assembly efficiency of the product due to the advantage of convenient disassembly and assembly of the clamping structure 13, of course, it is understood by those skilled in the art that there are various structural forms capable of realizing the assembly of the heat-generating plate module 20 and the heat-insulating ring 10, such as the heat-generating plate module 20 and the heat-insulating ring 10 are connected by threads, which are not listed one by one, but all belong to the protection scope of the present scheme without departing from the design concept.

In one embodiment of the present application, as shown in fig. 1 to 8, the heat-generating plate module 20 is provided with a lug 21, the heat-insulating ring 10 is provided with a catching groove 11, and as shown in fig. 4 and 5, the opening 111 of the catching groove 11 faces the tangential direction of the heat-insulating ring 10, and the heat-generating plate module 20 rotates in a preset direction within the heat-insulating ring 10, so that the lug 21 is caught within the catching groove 11. It will be understood, of course, that lugs 21 may be provided on the insulating ring 10 and the snap grooves 11 on the hotplate module 20 to achieve the same purpose.

In this scheme, set up the tangential of the dish module 20 or the thermal-insulated ring 10 that generate heat of opening 111 orientation of catching groove 11, through making the dish module 20 that generates heat rotatory messenger's lug 21 joint in the catching groove 11 in thermal-insulated ring 10, it is fixed to realize the joint of dish module 20 and thermal-insulated ring 10 that generates heat, the fixed unstable problem of dish module 20 that generates heat is solved, and this structure can make the axial spacing cooperation of the reliability that generates heat between dish module 20 and the thermal-insulated ring 10, further ensure the installation reliability and the steadiness of dish module 20 and thermal-insulated ring 10 that generate heat, in addition, this design has simple structure, the equipment easy and simple to handle's characteristics, can effectively guarantee the packaging efficiency of product.

Of course, the present embodiment is not limited thereto, and for example, the orientation of the fastening groove 11 may be set such that the lug 21 is axially fastened into the fastening groove 11 according to the requirement, and for example, a first thread may be provided on the heat insulation ring 10 and a second thread may be provided on the heat generation plate module 20, where one of the first thread and the second thread is an external thread and one of the second thread is an internal thread, so as to fix the heat insulation ring 10 and the heat generation plate module 20 by screwing.

In one embodiment of the present application, as shown in fig. 2, 4, 5 and 6, a stop portion 12 is provided on the heat insulation ring 10, a positioning piece 22 capable of being bent is provided on the heat generation plate module 20, and after the lugs 21 are clamped into the buckling grooves 11, the positioning piece 22 is bent to enable the positioning piece 22 to abut against the stop portion 12, so as to limit the reverse rotation of the heat generation plate module 20 in the preset direction in the heat insulation ring 10. Of course, it will be appreciated that the splines 22 may also be provided on the insulating ring 10 and the stop 12 on the hotplate module 20 to achieve the same purpose.

In this scheme, be provided with backstop 12 on one of insulating ring 10 and heating dish module 20, set up spacer 22 on the other, in the in-process of heating dish module 20 and insulating ring 10 suit, spacer 22 is in unbent state (for example, spacer 22 is the state of extending along the axial approximately) to give way to the suit of heating dish module 20 and insulating ring 10, the convenience of product equipment, after lug 21 joint is in catching groove 11, bend spacer 22 and make it form the interference with backstop 12 (for example, bend spacer 22 and make it be the state of extending along approximately radial), in order to restrict the counter-rotation of heating dish module 20 along predetermineeing the direction in insulating ring 10, realize spacing lug 21 in catching groove 11, in order to avoid heating dish module 20 and insulating ring 10 to take place the problem of not hard up, further improve the steadiness of product.

In one embodiment of the present application, preferably, one of the heat-generating plate module 20 and the heat-insulating ring 10 is provided with a plurality of buckling grooves 11, and the plurality of buckling grooves 11 are arranged at intervals in the circumferential direction of the one of the heat-generating plate module 20 and the heat-insulating ring 10, and a plurality of lugs 21 are correspondingly arranged on the other of the heat-generating plate module 20 and the heat-insulating ring 10, and the plurality of lugs 21 are correspondingly matched with the plurality of buckling grooves 11 one by one, so that the heat-generating plate module 20 and the heat-insulating ring 10 form a uniformly clamped fixing structure in the circumferential direction, and the problem that the heat-generating plate module 20 is inclined in the heat-insulating ring 10 can be avoided relative to the scheme of arranging one buckling groove 11 and the lugs 21, thereby avoiding the problems of loose clamping and poor fit with cookware caused by the inclination of the heat-generating plate module 20, and ensuring the reliability of products.

In a preferred embodiment of the present application, as shown in fig. 6, two buckling grooves 11 are provided on the heat insulation ring 10, and the two buckling grooves 11 are symmetrically arranged on the heat insulation ring 10, and two lugs 21 are correspondingly provided on the heat generation plate module 20. Of course, it is understood that two symmetrical buckling grooves 11 may be provided on the heat generating plate module 20, and two lugs 21 are correspondingly provided on the heat insulating ring 10 to achieve the same purpose, and in this embodiment, the number of buckling grooves 11 or lugs 21 is not limited to 2, for example, 3 buckling grooves 11, 4 buckling grooves 11, 5 buckling grooves 11 or more may be provided according to specific requirements, and the number of lugs 21 is a plurality corresponding to the number of buckling grooves 11.

In this scheme, set up two catching grooves 11 on heating plate module 20 or thermal-insulated ring 10 symmetric distribution to set up corresponding two lugs 21 and two catching grooves 11 one-to-one cooperation, like this, can realize the both ends support to heating plate module 20, in order to ensure that heating plate module 20 is firm in thermal-insulated ring 10, avoid the problem of heating plate module 20 slope, in addition, this structure is guaranteeing that heating plate module 20 and thermal-insulated ring 10 assembly are firm, effectively retrenched this rotatory buckle structure's quantity, with this structure of formation on installation inner wall surface and heating plate module 20 outer wall surface has correspondingly reduced, can correspondingly reduce the interference that heating plate module 20 cup joints the in-process like this, the equipment operation of the product of being convenient for more, improve product packaging efficiency.

More specifically, during the product assembling process, the two lugs 21 on the heat-generating plate module 20 are aligned to the clearance between the two buckling grooves 11 in the heat-insulating ring 10, and then the heat-generating plate module 20 is rotated in the preset direction until the two lugs 21 on the heat-generating plate module 20 slide into the buckling grooves 11, and the positioning pieces 22 on the heat-generating plate module 20 are bent, so that the positioning pieces 22 interfere with the stop parts 12 for positioning and locking, and the heat-generating plate module 20 is prevented from reversely rotating out of the buckling grooves 11 in the preset direction.

In one embodiment of the present application, as shown in fig. 4, 6 and 8, the heat-generating plate module 20 includes a plate portion 25 and a reflecting cover 24, and in particular, the reflecting cover 24 seals a hollow portion of the heat-insulating ring 10 from one side, so that the reflecting cover 24 and the heat-insulating ring 10 construct a receiving groove having an opening at one end, and the plate portion 25 is located in the receiving groove.

Preferably, the tray portion 25 may specifically include a tray and a heating element disposed on the tray, and the heating element may be a heating tube or a heating wire, etc.; alternatively, the tray portion 25 may specifically include a tray that can be seen through and an infrared radiation member provided at one side of the tray.

In this solution, the tray body 25 is disposed in the accommodating groove formed by the reflective cover 24 and the heat insulation ring 10, so that heat loss on the non-working surface of the tray body 25 can be reduced to the greatest extent, energy efficiency of the product can be improved, and heat radiation to which the base 200 for carrying the heat-generating tray assembly 100 is subjected is correspondingly reduced, so as to play roles in preventing scalding and delaying aging of electronic components in the base 200, more specifically, the heat insulation ring 10 can prevent heat of the tray body 25 from radiating outwards in a radial direction, so as to inhibit temperature rise of the base 200, and the reflective cover 24 can reflect heat radiated downwards by the tray body 25 back onto the tray body 25, especially for the solution that the heat-generating tube of the tray body 25 is adjacent to the bottom end of the tray body 25, heat loss of the tray body 25 is reduced greatly, and energy efficiency of the product is improved.

In one embodiment of the present application, as shown in fig. 8, the reflective cover 24 is embedded in the heat-insulating ring 10, so that the heat-insulating ring 10 can play a role in heat resistance between the reflective cover 24 and the base 200, so as to reduce the temperature rise on the base 200, play a role in preventing scalding and delaying aging of electronic components in the base 200.

In one embodiment of the present application, as shown in fig. 8 and 9, the reflective cover 24 is provided with a groove 241, and the tray portion 25 is disposed in the groove 241, so that, on one hand, the groove 241 can play a role in assembly positioning, and improve assembly efficiency and assembly precision of a product, and on the other hand, the reflective cover 24 can form a cladding structure on the tray portion 25, so that the reflective area of the reflective cover 24 can be further improved, and the reflectivity of heat can be improved, so as to ensure energy efficiency of the product.

In one embodiment of the present application, as shown in fig. 8, the reflection cover 24 is connected to the tray 25, and any one of the reflection cover 24 and the tray 25 is connected to the heat insulation ring 10, so that the heat insulation ring 10, the reflection cover 24 and the tray 25 form a module structure, thus, the heat generating tray assembly 100 and the base 200 can be assembled by one-time assembly, the assembly of the heat generating tray assembly 100 on the production line of the cooking appliance can be facilitated, and the assembly efficiency and the assembly accuracy of the product can be improved.

Further, as shown in fig. 8, a threaded hole is provided in the disk portion 25, a through hole is provided in the reflecting cover 24, and a threaded fastener 30 is connected to the threaded hole through the through hole. More preferably, the through hole is provided on the bottom wall of the groove 241 of the reflection housing 24, the tray portion 25 is fixed on the bottom wall of the groove 241, and the tray portion 25 is provided at a distance from the side wall of the groove 241 to reduce the heat conduction amount between the tray portion 25 and the reflection housing 24.

In this scheme, set up between disk body portion 25 and the reflector 24 and fix through threaded fastener 30 (such as screw, bolt), this connection structure has higher joint strength and stability, can avoid the problem of not hard up between disk body portion 25 and the reflector 24, ensures the relative position precision between disk body portion 25 and the reflector 24 to guarantee that the reflector 24 can effectively keep in the higher position department to the heat reflectivity in the long-term use of product, in order to ensure product energy efficiency.

In one embodiment of the present application, as shown in fig. 1 to 6, one of the heat insulating ring 10 and the heat generating plate module 20 is provided with a fixing portion, and the heat generating plate assembly 100 is connected to the base 200 of the cooking appliance through the fixing portion, so that the assembly efficiency of the product can be further improved.

Preferably, as shown in fig. 1 to 6, the fixing portion includes a clamping structure 13, and the heating plate assembly 100 is clamped on the base 200 through the clamping structure 13, and the assembly efficiency of the product can be further improved due to the efficient assembly of the clamping manner. Of course, the present embodiment is not limited to this, and for example, the fixing portion is provided as an internal thread or an external thread structure on the heat insulation ring 10 or the reflecting cover 24, so that the heat insulation ring 10 or the reflecting cover 24 is screwed with a corresponding thread structure on the base 200 to achieve fixing.

In a preferred embodiment of the present application, as shown in fig. 8 and 9, a gap is formed between the tray body 25 and the heat insulation ring 10, so that direct heat conduction between the heat insulation ring 10 and the tray body 25 can be avoided, thereby improving the heat insulation effect on the heat insulation ring 10, in addition, it is further preferred that the heat insulation ring 10 and the tray body 25 are connected through the reflecting cover 24, thereby further reducing the heat transfer amount from the tray body 25 to the heat insulation ring 10, reducing the temperature of the heat insulation ring 10, in addition, by arranging the fixing part on the heat insulation ring 10, an optimal scheme for inhibiting the temperature rise of the base 200 is obtained, the base 200 is prevented from being scalded, the aging of electronic components on the base 200 is delayed, and the product life is prolonged.

As shown in fig. 10, a cooking appliance provided by an embodiment of a second aspect of the present application includes: the heat-generating plate assembly 100 and the base 200 described in any of the above embodiments, specifically, the heat-generating plate assembly 100 is disposed on the base 200.

The cooking appliance provided by the application has all the beneficial effects due to the heating plate assembly 100 in any one of the above technical schemes, and is not repeated here.

Further, as shown in fig. 10, the cooking appliance further includes: the saucepan 300. The saucepan 300 is arranged on the base 200, and the tray body 25 of the heating tray assembly 100 is contacted with the saucepan 300 to supply heat. In addition, the heating plate assembly 100 protrudes upwards from the upper end of the base 200, and the plastic housing of the saucepan 300 and the heat insulation ring 10 of the heating plate assembly 100 form a sleeve-joint structure, and the heat insulation ring 10 is used for being isolated between the plate body 25 and the plastic housing, so that the plastic housing can be prevented from being scalded by the plate body 25.

Further, as shown in fig. 7, the cooking appliance further includes: and an upper cover 400, wherein the upper cover 400 is covered with the boiler 300.

Optionally, the cooking appliance is a breakfast machine, an electric stewpot or an electric rice cooker.

In summary, the heating plate module is arranged in the heat insulation ring, so that the heat insulation ring is blocked and protected at the periphery of the heating plate module, the user is prevented from contacting the side surface of the heating plate module directly, the scalding probability of the user is reduced, the product safety is improved, and when the heating plate module is assembled on the base of the cooking appliance, the heat insulation ring can play a role in heat resistance between the heating plate module and the base of the cooking appliance, so that the temperature rise on the base is reduced, the effects of preventing scalding and delaying ageing of electronic elements in the base are achieved, meanwhile, the heat loss on the heating plate module is reduced, and the energy efficiency of the product is improved.

In the present application, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. 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 (10)

1. A heating pan assembly for a cooking appliance, comprising:

a heat insulating ring made of a heat insulating material;

the heating plate module is arranged in the heat insulation ring and comprises a heating element and/or an infrared radiation piece;

the heating plate module includes:

a tray body;

the reflecting cover and the heat insulation ring form an accommodating groove with an opening at one end, and the disc body part is positioned in the accommodating groove;

the reflecting cover is embedded in the heat insulation ring; and/or

The reflecting cover is provided with a groove, and the disc body is arranged in the groove; and/or

The reflecting cover is connected with the tray body, and any one of the reflecting cover and the tray body is connected with the heat insulation ring, so that the heat insulation ring, the reflecting cover and the tray body form a module structure.

2. A heat-generating plate assembly as recited in claim 1, wherein,

the heating disc module is clamped with the heat insulation ring.

3. A heat-generating plate assembly as recited in claim 2, wherein,

the heating plate module is provided with a buckling groove on one of the heating plate module and the heat insulation ring, an opening of the buckling groove faces to a tangential direction of the one of the heating plate module and the heat insulation ring, a lug is arranged on the other one of the heating plate module and the heat insulation ring, and the heating plate module rotates in a preset direction in the heat insulation ring, so that the lug is clamped in the buckling groove.

4. A heat-generating plate assembly as set forth in claim 3, wherein,

one of the heat insulation ring and the heating plate module is provided with a stop part, the other one of the heat insulation ring and the heating plate module is provided with a positioning sheet which can be bent, and after the lug is clamped into the buckling groove, the positioning sheet is bent to enable the positioning sheet to abut against the stop part so as to limit the heating plate module to reversely rotate in the heat insulation ring along the preset direction.

5. A heat-generating plate assembly as set forth in claim 3, wherein,

two buckling grooves are formed in one of the heating plate module and the heat insulation ring, the two buckling grooves are symmetrically arranged on the one of the heating plate module and the heat insulation ring, and two lugs are correspondingly arranged on the other one of the heating plate module and the heat insulation ring.

6. A heat-generating plate assembly as recited in claim 1, wherein,

the disc body is provided with a threaded hole, the reflecting cover is provided with a through hole, and the threaded fastener penetrates through the through hole to be connected with the threaded hole.

7. A heat-generating plate assembly as set forth in any one of claims 1 to 5, characterized in that,

the heating plate comprises a heating plate module, a heat insulation ring and a heating plate assembly, wherein the heating plate module is arranged on the heating plate module, the heat insulation ring is arranged on the heating plate module, and the heating plate assembly is connected to a base of the cooking appliance through the fixing part.

8. A heat-generating plate assembly as recited in claim 7, wherein,

the fixing part comprises a clamping structure, and the heating disc assembly is clamped on the base through the clamping structure.

9. A heat-generating plate assembly as recited in claim 1, wherein,

a gap is formed between the tray body and the heat insulation ring.

10. A cooking appliance, comprising:

a hotplate assembly as claimed in any one of claims 1 to 9;

the base, the dish subassembly that generates heat sets up on the base.