CN112113366A

CN112113366A - Refrigeration and heating device and household appliance

Info

Publication number: CN112113366A
Application number: CN202011146457.5A
Authority: CN
Inventors: 郭建刚; 朱伟
Original assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Current assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2020-12-22

Abstract

The invention relates to a refrigerating and heating device and a household appliance. The refrigerating and heating device is used for refrigerating or heating a container placed on the refrigerating and heating device and comprises a main body, wherein a placing area for placing the container is arranged at the top of the main body, a heating part and a refrigerating piece are arranged in the main body and at the position corresponding to the placing area, the heating part is located on the circumferential outer side of the refrigerating piece, and the heating part and the refrigerating piece can respectively refrigerate or heat the container. The invention can utilize the heating component and the refrigerating piece to respectively refrigerate or heat the container arranged on the refrigerating and heating device, can realize the integration of heating and refrigerating, can realize different functions without moving the container, is convenient to use, and has reasonable and compact structure; the heating part and the refrigeration piece are arranged in the host machine, different use requirements of users can be met by only replacing the container during use, the universality is strong, the container is only used for containing food, and the cleaning is convenient.

Description

Refrigeration and heating device and household appliance

Technical Field

The invention relates to the technical field of household appliances, in particular to a refrigerating and heating device and a household appliance.

Background

The existing cold and hot integrated combined appliances in the market are roughly divided into two types: for example, chinese patent application publication No. CN210486266U discloses a novel cooling and heating cup, which switches between a cooling function and a heating function by turning the positive and negative electrodes of a semiconductor, but the semiconductor has low power and low heating efficiency, for example, when a cup of 300ml of water is heated by using the semiconductor cooling sheet, the water temperature can only reach about 60 ℃ after reaching a stable state, and the cup cannot be boiled, and the heating takes too long time. The other type is heating by using a heating element of a resistance wire type, and the heating element is designed in a heated container to respectively carry out refrigeration or heating. For example, chinese patent application publication No. CN209733518U discloses a combined electric kettle, which is provided with two functional areas, one side is used for heating, the other side is used for refrigerating, a heating element is used to boil water in a heating area, and then the hot water is put into a refrigerating area for refrigerating, so that the combined electric kettle is inconvenient to use and occupies a large volume. Chinese patent application publication No. CN2792367Y discloses an electric kettle capable of heating, refrigerating and preserving heat, which is heated by an electric heating body arranged in a heated container and refrigerated by a refrigerating sheet arranged in a base below the heated container, wherein the electric heating body is designed in the container, and the container is inconvenient to clean, and the design only can use the container carried along with the product, and the universality is poor; or the electric heating body arranged at the bottom of the heated container is used for heating, and the hot water in the heated container is poured into another container for refrigeration, and the electric heating body is designed inside the container, so that the container is inconvenient to clean, inconvenient to operate and large in occupied space.

Disclosure of Invention

In view of the above problems in the prior art, an object of the present invention is to provide a refrigerating and heating apparatus and a household appliance, which are convenient to use, can reduce the occupied space, can be applied to different containers, and have good versatility.

In order to achieve the above object, the present invention provides a refrigeration and heating device for refrigerating or heating a container placed thereon, the refrigeration and heating device including a main body, a placement area for placing the container is disposed on a top of the main body, a heating member and a cooling plate are disposed in the main body at positions corresponding to the placement area, the heating member is located at a circumferential outer side of the cooling plate, and the heating member and the cooling plate can respectively refrigerate or heat the container.

The heating and cooling device provided by the embodiment of the invention has the advantages that the heating parts are arranged on the outer sides of the circumferential direction of the cooling sheets, and the heating parts and the cooling sheets can be used for respectively refrigerating or heating the containers arranged on the heating and cooling device, so that the heating and cooling are integrated, different functions can be realized without moving the containers, the use is convenient, and the structure is reasonable and compact; the heating part and the refrigeration piece are arranged in the host machine, different use requirements of users can be met by only replacing the container during use, the universality is strong, the container is only used for containing food, and the cleaning is convenient.

In some embodiments, a heat-resistant component is arranged on the heating component, a heat transfer component is arranged on the refrigerating sheet, the heat-resistant component is located on the circumferential outer side of the heat transfer component, and an elastic insulating component is arranged between the heat-resistant component and the heat transfer component. The container is supported by the heat-resistant component, so that the container can be prevented from being damaged by overhigh temperature of the heating component, and the appearance is attractive; the heat transfer component can realize rapid heat transfer, and improve the refrigeration or heating effect; the elastic insulating piece can enable the heating component and the refrigerating piece to work without influencing each other, and can reduce heat loss.

In some embodiments, the main body further includes a base and a housing, the housing is fastened to the base to form an inner cavity of the main body, an annular concave platform is disposed on a top surface of the housing, the heat-resistant component is mounted on the annular concave platform, a through hole communicated with the inner cavity is defined by an inner side of the annular concave platform, and a mounting position for mounting the heating component is disposed on an inner side surface of the housing corresponding to the annular concave platform;

the heat transfer component penetrates through the through hole and is arranged in the inner cavity, the elastic insulating piece is fixed on the side wall of the heat transfer component and is connected with the shell through a fixing support so as to fix the heat transfer component, and the refrigeration piece is fixed at the bottom of the heat transfer component. The structure is reasonable and compact, the heating component, the refrigerating sheet, the heat-resisting component and the heat transfer component are convenient to install, and the occupied space can be reduced.

In some embodiments, the mounting position is provided with a screw post having a screw hole, the periphery of the heating element is provided with a first mounting hole matched with the screw post, and a first screw passes through the first mounting hole and is screwed into the screw post to fix the heating element.

In some embodiments, the upper end of the heat transfer member protrudes from the housing, and the heat transfer member can be compressed to be flush with the heat-resistant member, so that when the heating member is heated, the bottom of the container is stably supported by the heat-resistant member, and heat is rapidly transferred to the temperature sensor disposed in the heat transfer member through the heat transfer member, so as to accurately sense temperature.

In some embodiments, the heating member is a coil assembly or an annular heating disk; the refrigeration piece is a semiconductor refrigeration piece, and the polarity of the refrigeration piece can be adjusted, so that the refrigeration surface and the heat dissipation surface of the refrigeration piece are exchanged;

the heat-resisting component is annular heat-resisting glass; the heat transfer component is a heat-conducting aluminum block; the elastic insulating part is an annular silica gel ring; the fixed bolster is the silica gel fixed bolster. Through the preferable components, the use performance of the refrigerating and heating device can be effectively improved.

In some embodiments, the cooling and heating device further comprises a heat dissipation component arranged in the main body, the heat dissipation component comprises a first heat dissipation plate assembly, a heat dissipation fan and a wind guiding component, and the first heat dissipation plate assembly is arranged at the bottom of the cooling plate; the air guide part is provided with an air guide groove, the first radiating fin assembly is positioned on one side of the air guide groove, and the radiating fan is arranged close to the air guide groove, so that the air guide groove can at least guide the air blown by the radiating fan to the first radiating fin assembly and the heating part, the radiating effect of the heating part is improved, and all parts are protected; meanwhile, the refrigerating effect of the refrigerating sheet can be further improved through the first radiating sheet assembly.

In some embodiments, the air guiding component includes a fixing portion and an air guiding portion connected to the fixing portion, the air guiding portion is provided with the air guiding groove, the first heat sink assembly is embedded in the fixing portion and located on the one side of the air guiding groove, and a first heat dissipation channel formed between adjacent first heat sinks in the first heat sink assembly is opposite to the air guiding groove, so that the structure is reasonable, and the heat dissipation effect can be effectively improved.

In some embodiments, a power supply board is further disposed in the main body, the heat dissipation component further includes a second heat dissipation fin assembly disposed on the power supply board, the power supply board is disposed close to the heat dissipation fan, a second heat dissipation channel formed between adjacent second heat dissipation fins in the second heat dissipation fin assembly is in the same direction as the first heat dissipation channel, the structure arrangement is reasonable, and the heat dissipation component can effectively dissipate heat of a plurality of heat generating components in the main body.

The invention also provides a household appliance, which comprises a first container, a second container and the refrigerating and heating device, wherein the placing area comprises a first area corresponding to the heating part and a second area corresponding to the refrigerating sheet, the first container can be detachably arranged in the first area and the second area, and the heating part is used for heating and/or the refrigerating sheet is used for refrigerating; the second container can be detachably mounted in the second area, and performs cooling or heating through the cooling sheet.

The household appliance provided by the embodiment of the invention has strong universality, can meet different use requirements of users, and improves user experience.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the inventive embodiments. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a schematic structural diagram of a refrigerating and heating apparatus according to an embodiment of the present invention;

fig. 2 is an exploded view of the refrigerating and heating apparatus according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a household appliance according to an embodiment of the present invention;

FIG. 4 is a side cross-sectional view of the household appliance of FIG. 3;

fig. 5 is another schematic structural diagram of the household appliance according to the embodiment of the present invention;

fig. 6 is a side sectional view of the household appliance of fig. 5.

Reference numerals:

10-a refrigerating and heating device; 20-a first container; 30-a second container;

11-a placement area, 111-a first area, 112-a second area, 12-a base, 121-a first heat dissipation hole, 13-a shell, 131-an annular concave table, 132-a through hole, 133-a second heat dissipation hole, 134-a control panel and 14-a support leg; 2-heating part, 21-first mounting hole, 22-first screw; 3-refrigerating plate; 4-a heat-resistant member; 5-a heat transfer component; 61-elastic insulation, 62-heat insulation cotton, 621-installation through hole; 7-a fixed support, 71-a second mounting hole and 72-a second screw; 81-a first heat sink assembly, 811-a first heat sink, 82-a heat sink fan, 83-a wind-guiding component, 831-a wind-guiding groove, 832-a fixing part, 833-a wind-guiding part, 84-a second heat sink assembly, 841-a second heat sink; 91-power panel, 92-temperature sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.

Fig. 1 to 6 are schematic structural diagrams of a cooling and heating device and a household appliance according to an embodiment of the present invention (the arrow directions in fig. 4 and 6 are wind directions). As shown in fig. 1 to 6, an embodiment of the present invention provides a cooling and heating apparatus 10, configured to cool or heat a material (e.g., a food material) in a container placed thereon, where the cooling and heating apparatus includes a main body, a placement area 11 is disposed at a top of the main body, a heating component 2 and a cooling fin 3 are respectively disposed in positions corresponding to the placement area 11 in the main body, the heating component 2 is located at a circumferential outer side of the cooling fin 3 (that is, the heating component 2 and the cooling fin 3 are respectively disposed independently and do not overlap, and do not interfere with each other when operating), and the heating component 2 and the cooling fin 3 can respectively cool or heat the container.

The heating and cooling device provided by the embodiment of the invention has the advantages that the heating part 2 is arranged at the outer side of the circumferential direction of the cooling plate 3, and the heating part 2 and the cooling plate 3 can be used for respectively refrigerating or heating a container arranged on the heating and cooling device, so that the heating and cooling are integrated, different functions can be realized without moving the container, the use is convenient, and the structure is reasonable and compact; the heating part 2 and the refrigerating piece 3 are arranged in the host machine, different use requirements of users can be met by only replacing the container during use, the universality is strong, the container is only used for containing food, and the cleaning is convenient. For example, the container can be a cooking pot, food materials are cooked through the heating component 2, and meanwhile, when the temperature of the food materials is too high, the food materials are rapidly cooled through the cooling piece 3; the container can also be a health preserving pot, tea is brewed by the heating part 2, and the like; the container can also be a refrigeration cup, and the rapid refrigeration is realized through the refrigeration piece 3.

Specifically, the heating member 2 is used to heat the container, and since the heating member 2 is located on the outer side in the circumferential direction of the cooling fins 3, the heating member 2 is preferably a coil assembly or an annular heating plate, and can be heated by being energized. When the heating component 2 is a coil component, the bottom of the container is preferably made of magnetic conductive material, for example, the container is an iron container, which can ensure the heating effect; when the heating member 2 is a heating plate or a heating pipe, the material of the bottom of the container is not particularly limited, and may be glass or magnetic conductive material.

The up end of refrigeration piece 3 is the refrigeration face (heat-absorbing surface), and the lower terminal surface of refrigeration piece 3 is the cooling surface, the bottom of container and the refrigeration face contact of refrigeration piece 3, and the back of refrigeration piece 3 circular telegram, the heat of refrigeration face can be moved to the cooling surface to make the temperature reduction of refrigeration face, thereby make the container cooling refrigeration with refrigeration face contact.

It should be noted that, in this embodiment, the refrigeration sheet 3 is a semiconductor refrigeration sheet, and the polarity of the refrigeration sheet 3 can be adjusted, so that the refrigeration surface and the heat dissipation surface of the refrigeration sheet 3 are exchanged, so that the refrigeration sheet 3 can be used for both refrigeration and heating. Namely, the first electrode connected with the upper end face and the second electrode connected with the lower end face are exchanged, so that the refrigerating surface of the upper end face can be changed into a radiating surface, and the heating of the container is realized.

In this embodiment, can only realize refrigeration and heating effect through refrigeration piece 3, for example, the container can be for the not high container of highest temperature requirements such as thermos cup, and when keeping warm through the cooling surface of refrigeration piece 3, can realize the cooling through the refrigeration face. In other embodiments, the heating can be realized through the heating part 2, and simultaneously, the cooling surface of the refrigerating sheet 3 is cooled, and the heat preservation can be realized through the heat radiating surface, so that the heating part 2 is not needed to be used during the heat preservation, the power during the heat preservation can be reduced, and the power consumption is reduced.

In some embodiments, as shown in fig. 2, 4 and 6, the heating member 2 is provided with a heat-resistant member 4, the cooling plate 3 is provided with a heat transfer member 5, the heat-resistant member 4 is located on the circumferential outer side of the heat transfer member 5, and an elastic insulating member 61 is provided between the heat-resistant member 4 and the heat transfer member 5.

When the container is arranged in the placing area 11, the bottom of the container can be tightly attached to the heat-resisting component 4 and the heat transfer component 5, the container can be supported by the heat-resisting component 4, and the container is prevented from being damaged by overhigh heating temperature of the heating component 2; the heat transfer component 5 can transfer the cold generated by the refrigerating surface of the refrigerating sheet 3 to the bottom of the container to realize the rapid refrigeration of the container, thereby improving the refrigerating or heating efficiency. The elastic insulating part 61 ensures that the work of the heating part 2 and the refrigeration sheet 3 does not influence each other, reduces the heat loss during refrigeration or heating and improves the refrigeration or heating effect.

In some embodiments, as shown in fig. 1 to 6, the main body further includes a base 12 and a housing 13, the housing 13 is fastened to the base 12 to form an inner cavity of the main body, an annular concave table 131 is disposed on a top surface of the housing 13, the heat-resistant component 4 is mounted on the annular concave table 131, a through hole 132 communicated with the inner cavity of the main body is defined by an inner side of the annular concave table 131, and a mounting position for mounting the heating component 2 is disposed on an inner side surface of the housing 13 corresponding to the annular concave table 131;

the heat transfer member 5 is disposed in the cavity through the through hole 132, the elastic insulating member 61 is fixed to a sidewall of the heat transfer member 5 and connected to the housing 13 through the fixing bracket 7 to fix the heat transfer member 5, and the cooling fins 3 are fixed to a bottom of the heat transfer member 5.

As shown in fig. 2, the housing 13 includes an annular side wall and a top wall opposite to the base 12, in this embodiment, the housing 13 may be an integral structure, and the annular concave table 131 is formed on the top wall of the housing 13; in other embodiments, the housing 13 may also be a split structure, and after the annular concave table 131 is processed on the top wall, the top wall is detachably mounted on the annular side wall, so as to form a housing having an inner cavity, and the split structure facilitates the setting of the annular concave table 131, so as to adapt to containers with different bottom sizes, so that the housing 13 does not need to be integrally replaced, and the processing cost of the housing 13 can be reduced.

Further, as shown in fig. 2, 4 and 6, the outer periphery of the cooling plate 3 is further provided with a heat insulation cotton 62, the heat insulation cotton 62 is a plate-shaped structure, a through mounting through hole 621 is formed in the heat insulation cotton 62, the cooling plate 3 is embedded in the mounting through hole 621, and cooling or heating is performed through the upper end surface, so as to reduce heat loss.

In this embodiment, as shown in fig. 2, 4 and 6, the mounting position is provided with a screw post (not shown in the figure) having a screw hole, the periphery of the heating member 2 is provided with a first mounting hole 21 matching with the screw post, and a first screw 22 passes through the first mounting hole 21 and is screwed into the screw post to fix the heating member 2, so that the mounting and dismounting are convenient. The plurality of first mounting holes 21 are uniformly arranged along the outer circumference of the heating member 2 to ensure reliable fixing.

The fixing bracket 7 is provided at the outer circumference thereof with second mounting holes 71, and second screws 72 are inserted through the second mounting holes 71 and screwed into corresponding screw bosses provided in the case 13 to fix the fixing bracket to the top wall of the case 13, thereby fixing the heat transfer member 5.

In the present embodiment, as shown in fig. 4, the upper end of the heat transfer member 5 protrudes from the housing 13, and the heat transfer member 5 can be compressed so that the upper end surface of the heat transfer member 5 is flush with the upper end surface of the heat-resistant member 4, so that the heat-resistant member 4 can stably support the bottom of the container when heated by the heating member 2.

Particularly, the upper end of the heat transfer component 5 protrudes out of the shell 13, when the volume of the container is large (larger than the circumferential size of the heat transfer component 5), the heat-resisting component 4 does not interfere with the container, and the container and the refrigerating sheet 3 can be ensured to be in contact refrigeration, namely, the refrigerating sheet 3 can be suitable for containers with different sizes, not only can be suitable for refrigerating cups and the like with small sizes (smaller than or equal to the circumferential size of the heat transfer component 5), but also can be suitable for cooking pots and the like with large sizes.

When the container is a container having a size smaller than or equal to the circumferential size of the heat transfer member 5, such as a refrigerating cup, the container is placed in the placement area 11, and the heat transfer member 5 can also be compressed by the container to be located below the upper end surface of the heat-resistant member 4, so that the container can be protected by the heat-resistant member 4.

In the embodiment, the heat-resistant component 4 is preferably annular heat-resistant glass, so that the container is ensured to be stably placed, and the appearance is attractive; the heat transfer member 5 is preferably a thermally conductive aluminum block to achieve rapid heat transfer; the elastic insulating member 61 is preferably an annular silicone ring; the fixed bolster 7 is preferably the silica gel fixed bolster, through using silica gel circle and silica gel fixed bolster, when guaranteeing to connect reliably, because its high temperature resistant, damage when can reducing the heating, increase of service life.

In another embodiment, the heat-resistant member 4 may be a heat-resistant ceramic or the like, and the present invention is not particularly limited.

In some embodiments, as shown in fig. 2, 4 and 6, the cooling and heating device further includes a heat dissipating member disposed in the main body, the heat dissipating member includes a first heat dissipating fin assembly 81, a heat dissipating fan 82 and a wind guiding member 83, the first heat dissipating fin assembly 81 is mounted at the bottom of the cooling fin 3; the air guiding part 83 is provided with an air guiding groove 831, the first heat sink assembly 81 is located at one side of the air guiding groove 831, and the heat dissipating fan 82 is disposed near the air guiding groove 831, so that the air guiding groove 831 can at least guide the air blown out by the heat dissipating fan 82 to the first heat sink assembly 81 and the heating part 2.

The first cooling fin assembly 81 is used for cooling the cooling surface of the cooling fin 3 to reduce the temperature of the cooling surface, and at the moment, the temperature of the cooling surface is correspondingly reduced, so that the cooling surface reaches a lower temperature, and the cooling effect of the cooling surface is improved.

The heat radiation fan 82 can generate wind blowing toward the first heat radiation fin assembly 81 and the heat generating component (e.g., the heating component 2) inside the main body.

In some embodiments, the wind guiding component 83 includes a fixing portion 832 and a wind guiding portion 833 connected to the fixing portion 832, the wind guiding portion 833 is provided with a wind guiding groove 831, the first heat sink assembly 81 is embedded in the fixing portion 832 and located at one side of the wind guiding groove 831, and a first heat dissipation channel formed between adjacent first heat sinks 811 in the first heat sink assembly 81 is opposite to the wind guiding groove 831, so as to achieve rapid heat dissipation.

Further, the air guiding portion 833 is an arc-shaped structure extending vertically and horizontally, and has an arc-shaped air guiding surface, and an arc-shaped air guiding groove 831 is formed in the arc-shaped air guiding surface, so that air blown out by the cooling fan 82 can be blown to the first cooling fin assembly 81 and the heating component 2, and a cooling effect is ensured.

Through the integrally arranged fixing portion 832 and the air guiding portion 833, the air blown out from the heat dissipation fan 832 is ensured to be effectively guided through the air guiding groove 831 while the first heat dissipation sheet assembly 81 is conveniently fixed; and the structure is reasonable and compact.

As shown in fig. 4 and 6, a power supply board 91 is further disposed in the main body, the heat dissipation component further includes a second heat dissipation plate assembly 84 disposed on the power supply board 91, the power supply board 91 is disposed near the heat dissipation fan 82, the power supply board 91 is disposed below the first heat dissipation plate assembly 81, the second heat dissipation plate assembly 84 is disposed below the first heat dissipation plate assembly 81, the heat dissipation fan 82 is disposed on one lateral side of the first heat dissipation plate assembly 81 and the second heat dissipation plate assembly 84, and a second heat dissipation channel formed between adjacent second heat dissipation plates 841 in the second heat dissipation plate assembly 84 is in the same direction as the first heat dissipation channel, so that the wind blown by the heat dissipation fan 82 can transversely flow to the first heat dissipation plate assembly 81 and the second heat dissipation plate assembly 84, and the heat dissipation effect is ensured.

As shown in fig. 2, 4 and 6, the base 12 is provided with a first heat dissipation hole 121, the housing 13 is provided with a second heat dissipation hole 133, the first heat dissipation hole 121 is an air inlet, the second heat dissipation hole 133 is an air outlet, and when the heat dissipation fan 82 works, the cold air in the air can be rapidly introduced into the main body from the first heat dissipation hole 121, and after heat dissipation, the hot air is discharged from the second heat dissipation hole 133, so that the air flows circularly, and the heat dissipation effect is improved.

Preferably, the first heat dissipation hole 121 is disposed at the bottom of the base 12 and close to the heat dissipation fan 82 to increase the air intake rate; the second heat dissipation hole 133 is formed in a sidewall of the housing 21 and is formed to be large so as to discharge air.

In some embodiments, the refrigeration and heating apparatus 10 further includes a temperature sensor 92 disposed near the top of the enclosure 13 to monitor the temperature of the container for improved control accuracy. In this embodiment, as shown in fig. 4 and 6, the temperature sensor 92 is disposed in the heat transfer member 5, and the heat transfer member 5 can transfer heat to the temperature sensor 92 in time, so as to sensitively sense the temperature at the bottom of the container, thereby improving the detection accuracy.

In particular, the upper end of the heat transfer member 5 protrudes from the housing 13, and the heat transfer member 5 can be compressed by the container, so that when the heating member 2 is operated, the heat transfer member 5 is in contact with the bottom of the container, so that the temperature sensor 92 can accurately sense the temperature of the bottom of the container.

The housing 13 is provided with a control panel 134 for controlling the operation of the cooling and heating device, and the control panel is electrically connected to the heating component 2, the cooling plate 3, the cooling fan 82, the power board 91, the temperature sensor 92 and other electrical components, so as to achieve precise control.

As shown in fig. 2, 4 and 6, the bottom of the base 12 is provided with a support leg 14 to stably place the cooling and heating device 10, and the support leg 14 is a rubber leg, so that the cooling and heating device can be prevented from being damaged while being stably supported.

On the basis of the technical scheme of the cooling and heating device, the embodiment of the invention further provides a household appliance, which comprises a first container 20, a second container 30 and the cooling and heating device 10, wherein the placement area 11 of the cooling and heating device 10 comprises a first area 111 corresponding to the heating component 2 and a second area 112 corresponding to the cooling fins 3, the first container 20 can be detachably mounted in the first area 111 and the second area 112, and the heating component 2 is used for heating and/or the cooling fins 3 are used for cooling; the second container 30 can be detachably installed to the second area 112 and performs cooling or heating by the cooling fins 3.

The first container 20 can be a cooking pan, rapid heating and cooking can be realized through the heating component 2, rapid refrigeration can be realized through the refrigeration piece 3, so that the temperature of the cooking pan is reduced, the user requirements are met, the heating component 2 and the refrigeration piece 3 are respectively and independently arranged and do not overlap, and the heating component and the refrigeration piece do not interfere with each other when in work; the second container 30 can be a refrigerating cup, and can refrigerate through the refrigerating surface of the refrigerating piece 3, and change the refrigerating surface into a radiating surface for heat preservation through changing the polarity of the refrigerating piece 3. The home appliance may be randomly provided with the first container 20 suitable for a plurality of persons to use and the second container 30 suitable for a single person to use. In addition, the first container 20 and the second container 30 can be made of a household pot, and the use and the cleaning are convenient.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. The refrigerating and heating device is used for refrigerating or heating a container placed on the refrigerating and heating device and is characterized by comprising a main body, wherein a placing area for placing the container is arranged at the top of the main body, a heating part and a refrigerating piece are arranged in the main body and correspond to the placing area, the heating part is located on the circumferential outer side of the refrigerating piece, and the heating part and the refrigerating piece can respectively refrigerate or heat the container.

2. The refrigerating and heating apparatus as claimed in claim 1, wherein a heat-resistant member is provided on the heating member, a heat transfer member is provided on the cooling fins, the heat-resistant member is located on a circumferential outer side of the heat transfer member, and an elastic insulating member is provided between the heat-resistant member and the heat transfer member.

3. The refrigeration and heating apparatus as claimed in claim 2, wherein the main body further comprises a base and a housing, the housing is fastened to the base to form an inner cavity of the main body, the top surface of the housing is provided with an annular concave platform, the heat-resistant component is mounted on the annular concave platform, the inner side of the annular concave platform is enclosed to form a through hole communicated with the inner cavity, and the housing is provided with a mounting position corresponding to the inner side of the annular concave platform for mounting the heating component;

the heat transfer component penetrates through the through hole and is arranged in the inner cavity, the elastic insulating piece is fixed on the side wall of the heat transfer component and is connected with the shell through a fixing support so as to fix the heat transfer component, and the refrigeration piece is fixed at the bottom of the heat transfer component.

4. The refrigerating and heating apparatus as recited in claim 3 wherein said mounting location is provided with a screw post having a screw hole, and said heating element is provided at an outer periphery thereof with a first mounting hole engaged with said screw post, and a first screw is inserted through said first mounting hole and screwed into said screw post to fix said heating element.

5. The refrigerating and heating apparatus as claimed in claim 3, wherein an upper end of said heat transfer member protrudes from said housing, and said heat transfer member can be compressed to be flush with said heat-resistant member.

6. The refrigeration and heating apparatus according to claim 3, wherein said heating member is a coil assembly or an annular heating pan; the refrigeration piece is a semiconductor refrigeration piece, and the polarity of the refrigeration piece can be adjusted, so that the refrigeration surface and the heat dissipation surface of the refrigeration piece are exchanged;

the heat-resisting component is annular heat-resisting glass; the heat transfer component is a heat-conducting aluminum block; the elastic insulating part is an annular silica gel ring; the fixed bolster is the silica gel fixed bolster.

7. The refrigeration and heating apparatus as recited in claim 2, further comprising a heat dissipating member disposed within said body, said heat dissipating member comprising a first heat sink assembly, a heat dissipating fan and a wind-guiding member, said first heat sink assembly being mounted to the bottom of said refrigeration fins; the air guide part is provided with an air guide groove, the first heat dissipation sheet assembly is positioned on one side of the air guide groove, and the heat dissipation fan is arranged close to the air guide groove, so that the air guide groove can at least guide the air blown out by the heat dissipation fan to the first heat dissipation sheet assembly and the heating part.

8. The refrigeration and heating apparatus according to claim 7, wherein the air guide member includes a fixing portion and an air guide portion connected to the fixing portion, the air guide portion is provided with the air guide groove, the first fin assembly is embedded in the fixing portion and located on the one side of the air guide groove, and a first heat dissipation channel formed between adjacent first fins in the first fin assembly is opposite to the air guide groove.

9. A cooling and heating apparatus as claimed in claim 8, wherein a power board is further disposed in the main body, the heat dissipation member further comprises a second heat dissipation plate assembly disposed on the power board, the power board is disposed adjacent to the heat dissipation fan, and a second heat dissipation channel formed between adjacent second heat dissipation plates in the second heat dissipation plate assembly is aligned with the first heat dissipation channel.

10. An electric household appliance comprising a first container, a second container and a refrigerating and heating device according to any one of claims 1 to 9, the placement area comprising a first zone corresponding to the heating element and a second zone corresponding to the refrigerating sheet, the first container being removably mountable in the first and second zones and being heated by the heating element and/or refrigerated by the refrigerating sheet; the second container can be detachably mounted in the second area, and performs cooling or heating through the cooling sheet.