CN214127373U

CN214127373U - Electric heating lunch box

Info

Publication number: CN214127373U
Application number: CN202022509696.4U
Authority: CN
Inventors: 朱泽春; 漆福亚; 李青松; 丁韩吉
Original assignee: Hangzhou Joyoung Household Electrical Appliances Co Ltd
Current assignee: Hangzhou Jiuchuang Home Appliances Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-09-07
Anticipated expiration: 2030-11-04

Abstract

The embodiment of the utility model provides an electric heating lunch box, which comprises a body component and an upper cover component, wherein the upper cover component can be covered with or separated from the body component; the body assembly comprises a shell seat and an inner container arranged in the shell seat, a heating element used for heating the inner container is arranged in the shell seat, the electric heating lunch box further comprises a refrigerating assembly arranged in the shell seat and used for refrigerating the inner container, a sealing space isolated from the inner container is arranged between the inner container and the shell seat, and the refrigerating assembly is arranged in the sealing space.

Description

Electric heating lunch box

Technical Field

The embodiment of the utility model provides an electric heat lunch-box field, more specifically relates to an electric heat lunch-box.

Background

The electric heating lunch box is a small household appliance which can generate high-temperature steam in the lunch box after the heating body is electrified so as to achieve the purpose of heating and heat preservation. Because the use is safer and quicker, the energy and the power are favored by users. When food is stored in the conventional electric heating lunch box, if the food is not refrigerated and kept fresh, the food is easy to deteriorate and even the influence on the health of a user can be caused. If the refrigerating assembly is adopted to refrigerate the electric heating lunch box, the refrigerating assembly is easily damaged due to steam or water.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an electric heating lunch box, which comprises a body component and an upper cover component, wherein the upper cover component can be covered with or separated from the body component; the body assembly comprises a shell seat and an inner container arranged in the shell seat, a heating element used for heating the inner container is arranged in the shell seat, the electric heating lunch box further comprises a refrigerating assembly arranged in the shell seat and used for refrigerating the inner container, a sealing space isolated from the inner container is arranged between the inner container and the shell seat, and the refrigerating assembly is arranged in the sealing space. This embodiment can refrigerate the storage food in the electric heat lunch-box through set up refrigeration subassembly in the electric heat lunch-box, keeps fresh to food, prevents that food from rotting, and in hot summer very much, in this embodiment locates the seal space with refrigeration subassembly, can effectual protection refrigeration subassembly because water or steam get into influence life or cause the damage.

In an exemplary embodiment, the refrigeration assembly is located on the side of the shell base and attached to the side wall of the inner container. The side of inner bag is located with refrigeration subassembly to this embodiment, can not only prevent to damage refrigeration subassembly in the water infiltration sealed space, can keep the certain distance with heating element simultaneously, prevents that heating element from leading to a large amount of heat-conduction to refrigeration subassembly to the damage of refrigeration subassembly.

In an exemplary embodiment, the refrigeration assembly comprises a conductive sheet, a semiconductor refrigeration sheet, a heat dissipation fin and a fan, the conductive sheet is hermetically connected with the side wall of the inner container, one end of the semiconductor refrigeration sheet is attached to the conductive sheet, the other end of the semiconductor refrigeration sheet is attached to the heat dissipation fin, and the fan is arranged on the outer side of the heat dissipation fin and used for dissipating heat of the heat dissipation fin. The refrigeration assembly of this embodiment simple structure, simple to operate, the radiating efficiency is high.

In an exemplary embodiment, the conducting sheet is fixedly connected with the side wall of the inner container by adopting a connecting piece, and the connection part with the inner wall of the inner container is sealed by adopting a sealing piece. The conduction piece of this embodiment is connected with the inner bag sealing and prevents water or steam to get into the confined space and damage the refrigeration subassembly.

In one exemplary embodiment, the conductive sheet forms a portion of the sidewall of the liner. The conduction piece of this embodiment has improved refrigeration subassembly's refrigeration efficiency as the partial lateral wall of inner bag.

In one exemplary embodiment, the material of the conductive sheet is an aluminum sheet to increase heat transfer efficiency.

In an exemplary embodiment, the heating element is arranged in the sealed space and positioned at the bottom of the shell seat, and the heating element is connected with the bottom wall of the inner container in a sealing mode. The heating element of this embodiment is connected with inner bag diapire sealing prevents that water or steam from getting into the confined space and damaging refrigeration subassembly and heating element.

In an exemplary embodiment, the heating element is a PTC heating element, one end of the PTC heating element is positioned in the inner container and is hermetically connected with the bottom wall of the inner container, and the other end of the PTC heating element is positioned in the sealed space. The PTC heating element has high safety, and the bottom wall of the inner container which forms part of the heating element increases the heating efficiency.

In an exemplary embodiment, an inner frame and a container placed on the inner frame are further arranged in the inner container; the inner frame comprises an isolation frame which can be installed in a matched mode or separated from the inner frame, the isolation frame can isolate the inner frame into a plurality of layers which are arranged up and down, containers can be placed on each layer, and vent holes are formed in the bottom of the isolation frame. The inner container space is divided into a plurality of layers through the inner frame, so that various containers can be placed, and the space is saved.

In an exemplary embodiment, the upper cover assembly comprises an inner container cover which can be matched and covered with the inner container and an outer cover which can be matched and covered with the shell seat. The inner container cover and the outer cover are adopted to cover the inner container and the shell seat respectively to improve the heat insulation performance of the electric lunch box.

Additional features and advantages of embodiments of the invention will be set forth in the description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

FIG. 1 is a front sectional view of an electric heating lunch box according to an embodiment of the present invention;

fig. 2 is a three-dimensional split view of the electric heating lunch box of the embodiment of the utility model.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

As shown in fig. 1 and 2, the embodiment of the utility model provides an electric heating lunch box, including body assembly 1 and upper cover assembly 2, upper cover assembly 2 can close or separate with body assembly 1 lid, realizes placing or takes out food. The upper cover assembly 2 and the body assembly 1 are separated in this embodiment, and may be connected in other embodiments.

As shown in fig. 1 and 2, the body assembly 1 includes a housing 10 and an inner container 11 disposed in the housing 10. The housing base 10 is provided with an accommodating space 101 with an open upper end, and the inner container 11 is disposed in the accommodating space 101. A sealed space 12 isolated from the inner cavity of the inner container 11 is arranged between the shell seat 10 and the inner container 11. The positioning support 13 positions and supports the housing base 10 and the inner container 11. The housing 10 is further provided with a control device, a battery panel, a temperature sensing element, and a switch button (not shown), and the operation of turning on or off the electric-heating lunch box by operating the switch button, and the temperature in the electric-heating lunch box is sensed by the temperature sensing element to control the operation of heating, cooling, heat preservation, and the like of the electric-heating lunch box. The inner container 11 in this embodiment may be made of stainless steel, plastic, or the like.

As shown in fig. 1 and 2, the inner container 11 is provided therein with an inner frame 14 and a plurality of containers 15 placed on the inner frame 14. The inner frame 14 includes an isolation frame 140, and the isolation frame 140 isolates the inner frame 14 into an upper layer and a lower layer, each of which can hold a plurality of containers 15. The isolation frame 140 may be installed in cooperation with or separated from the inner frame 14 so that the container 15 can be conveniently placed or taken out. The bottom of the isolation frame 140 is provided with a vent 1401 so that air between the upper and lower layers can be ventilated. The plurality of containers 15 includes a first set of separately disposed containers 151 located in a lower layer and a second set of conjoined containers 152 located in an upper layer. Different foods can be stored in the containers 15, so that diversification of cooking foods at one time is realized, and the occupied space of the electric heating lunch box can be saved.

As shown in fig. 1 and 2, the upper cover assembly 2 includes an inner container cover 20 that can be fitted to the inner container 11 and an outer cover 21 that can be fitted to the housing base 10. The outer cover 21 and the housing 10 are also fastened to each other by a fastening structure. For example, the extended latch arm 102 may be disposed on the housing 10, and the outer edge of the outer cover 21 may be disposed with the latch 210 for latching with the latch arm 102. The inner container cover 20 may be made of a material having heat insulation performance, and a heat insulation rubber mat (not shown) may be disposed between the inner container cover 20 and the outer cover 21, so that the heat insulation performance of the electric heating lunch box can be improved.

As shown in fig. 1 and 2, the electric lunch box further comprises a refrigerating assembly 3 arranged in the shell base 10 and configured to refrigerate the inner container 11. The refrigeration assembly 3 is arranged in the sealed space 12, is positioned on the side of the shell seat 10 and is attached to the side surface of the inner container 11. The cooling assembly 3 includes a conductive sheet 30, a semiconductor cooling sheet 31, a heat dissipating fin 32, and a fan 33. The conductive sheet 30 is hermetically connected with the side wall of the inner container 11 through a connecting piece. In this embodiment, the conductive sheet 30 is made of a highly conductive material, such as an aluminum sheet. The connection position of the conduction sheet 30 and the side wall of the inner container 11 is sealed by a sealing ring 4, so that water or steam and the like in the inner container 11 are prevented from entering the sealed space 12 to damage the refrigeration assembly 3. The connecting member in this embodiment may be a screw.

In the embodiment, the conductive sheet 30 and the inner container 11 form an integral body, that is, the conductive sheet 30 forms part of the side wall of the inner container 11, so that the refrigeration efficiency can be improved; in other embodiments, the conductive sheet 30 may be attached to the outer wall of the inner container 11, which is not part of the inner wall of the inner container 11. One end of the semiconductor refrigeration sheet 31 is attached to the conduction sheet 30, and the other end is connected to the heat dissipation fin 33. The heat radiation fins 32 are used for radiating heat of the semiconductor chilling plates 31. The fan 33 is used to accelerate the heat dissipation of the heat dissipation fins 32, and can be fixed to the heat dissipation fins 32 by a connecting member. The housing base 10 is provided with a vent hole 103 at a position corresponding to the fan 33.

As shown in fig. 1, a heating element 5 for heating the inner container 11 is provided in the housing base 10, and the heating element 5 is provided in the sealed space 12 and located at the bottom of the housing base 10. In this embodiment, the heating element 5 is a PTC heating element, one end of which is located in the inner container and is hermetically connected with the inner container 11, and the other end of which is located in the sealed space 12. In the embodiment, the joint of the heating element 5 and the inner container 11 is sealed by adopting a sealing ring. The heating element 5 constitutes a part of the bottom wall of the inner container 11, so that the heating efficiency can be improved.

When the inner container 11 is heated, a proper amount of water is added into the inner container 11, and the water in the inner container 11 is heated by the heating element 5 to heat the food in the lunch box. When food in the electric heat lunch-box needs to be refrigerated and kept fresh, then can start refrigeration subassembly 3 and refrigerate the electric heat lunch-box, semiconductor refrigeration piece 31 conducts air conditioning to conduction piece 30, conduction piece 30 is fast in conducting air conditioning to inner bag 11, refrigerate the food in the container 15, fin 32 also works simultaneously, dispel the heat to semiconductor refrigeration piece 31, prevent the overheated damage of semiconductor refrigeration piece 31, fin 32 dispels the heat with higher speed of fan 33 simultaneously.

This embodiment can refrigerate the interior food of electric heat lunch-box through set up refrigeration subassembly 3 in the electric heat lunch-box, keeps fresh to food, prevents that food from rotting, especially in hot summer.

In this embodiment, the refrigeration component 3 is disposed in the sealed space 12, so that the refrigeration component 3 can be effectively protected from being damaged or influenced in service life due to the entrance of water or steam. And this embodiment locates refrigeration subassembly 3 in the side of inner bag 11, can not only prevent that water infiltration from damaging refrigeration subassembly 3 in the sealed space 12, can keep a certain distance with heating element 5 simultaneously, prevent that heating element 5 from leading to the damage of refrigeration subassembly 3 with a large amount of heat-conduction to refrigeration subassembly 3.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An electric heating lunch box comprises a body assembly and an upper cover assembly, wherein the upper cover assembly can be covered with or separated from the body assembly; the body subassembly includes the shell seat and locates the inner bag in the shell seat, be equipped with in the shell seat and be used for right the heating element that the inner bag heated, its characterized in that: the electric heating lunch box further comprises a refrigerating assembly arranged in the shell seat and used for refrigerating the inner container, a sealed space isolated from the inner container is arranged between the inner container and the shell seat, and the refrigerating assembly is arranged in the sealed space.

2. The electric lunch box according to claim 1, wherein: the refrigeration assembly is positioned on the side edge of the shell seat and is attached to the side wall of the inner container.

3. The electric-heating lunch box according to any one of claims 1-2, characterized in that: the refrigeration assembly comprises a conduction piece, a semiconductor refrigeration piece, a radiating fin and a fan, the conduction piece is in sealing connection with the side wall of the inner container, one end of the semiconductor refrigeration piece is attached to the conduction piece, the other end of the semiconductor refrigeration piece is attached to the radiating fin, and the fan is arranged on the outer side of the radiating fin and used for radiating the radiating fin.

4. The electric lunch box according to claim 3, wherein: the conducting piece is fixedly connected with the side wall of the inner container through a connecting piece, and the joint of the conducting piece and the inner wall of the inner container is sealed through a sealing piece.

5. The electric lunch box according to claim 3, wherein: the conducting sheet forms part of the side wall of the inner container.

6. The electric lunch box according to claim 3, wherein: the conductive sheet is made of aluminum sheets.

7. The electric lunch box according to claim 2, wherein: the heating element is arranged in the sealed space and positioned at the bottom of the shell seat, and the heating element is connected with the bottom wall of the inner container in a sealing way.

8. The electric lunch box according to claim 7, wherein: the heating element is a PTC heating element, one end of the heating element is positioned in the inner container and is hermetically connected with the bottom wall of the inner container, and the other end of the heating element is positioned in the sealed space.

9. The electric lunch box according to claim 1, wherein: an inner frame and a container placed on the inner frame are further arranged in the inner container; the inner frame comprises an isolation frame which can be installed in a matched mode or separated from the inner frame, the isolation frame can isolate the inner frame into a plurality of layers which are arranged up and down, each layer of the isolation frame can be used for containing the container, and the bottom of the isolation frame is provided with a vent hole.

10. The electric lunch box according to claim 1, wherein: the upper cover component comprises an inner container cover which can be matched with the inner container to cover the inner container and an outer cover which can be matched with the shell base to cover the outer cover.