CN211794763U

CN211794763U - Refrigeration and heating meal box

Info

Publication number: CN211794763U
Application number: CN202020380760.0U
Authority: CN
Inventors: 袁绪鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-10-30
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to a refrigerating and heating meal box, which comprises an inner container and a shell, wherein the inner container is arranged in the inner cavity of the shell; the method is characterized in that: the refrigerating and heating module is positioned in an interlayer between the inner container and the shell; the refrigerating and heating module comprises a fixed seat, and a semiconductor cold and hot sheet, a heat dissipation block and a heat dissipation fan which are respectively arranged on the fixed seat; the refrigeration and heating module is fixedly arranged on the shell through a fixed seat; the semiconductor cold and hot fins and/or the cooling fan are controlled by the control panel and are powered by the power module and/or an external power supply; the inner container is arranged in a split type or an integrated type relative to the shell. The lunch box has the advantages of convenient operation, low cost, reasonable structure and simple assembly.

Description

Refrigeration and heating meal box

Technical Field

The utility model relates to a cutlery box specifically is a lunch box heats.

Background

The lunch box is a container used for placing food, but is influenced by external factors, and the optimal eating temperature of the food in the lunch box can change, so that the use taste of the food is influenced; in order to solve the problems, a temperature control lunch box with refrigeration and/or heating is available on the market, and the traditional temperature control lunch box needs to be provided with a special refrigeration and/or heating module, so that the defects of complex internal structure, high manufacturing cost, large lunch box volume, scattered internal parts, troublesome assembly and the like are caused.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a refrigerating and heating lunch box which is convenient to operate, low in cost, reasonable in structure and simple to assemble.

The purpose of the utility model is realized like this:

a refrigerating and heating lunch box comprises an inner container and a shell, wherein the inner container is arranged in an inner cavity of the shell; the method is characterized in that: the refrigerating and heating module is positioned in an interlayer between the inner container and the shell; the refrigerating and heating module comprises a fixed seat, and a semiconductor cold and hot sheet, a heat dissipation block and a heat dissipation fan which are respectively arranged on the fixed seat; the refrigeration and heating module is fixedly arranged on the shell through a fixed seat; the semiconductor cold and hot fins and/or the cooling fan are controlled by the control panel and are powered by the power module and/or an external power supply; the inner container is arranged in a split type or an integrated type relative to the shell.

The heat dissipation block is at least partially exposed out of the first heat conduction through hole in the fixed seat, and the semiconductor cold and hot fins respectively correspond to the surface of the inner container and the exposed part of the heat dissipation block.

The refrigeration and heating module further comprises heat insulation cotton arranged between the inner container and the fixed seat, and at least part of the semiconductor cold and hot plates is exposed out of the second heat conduction through holes on the heat insulation cotton and corresponds to the surface of the inner container.

The fixing seat is provided with a heat dissipation air channel, the heat dissipation block and the heat dissipation fan are respectively arranged on the heat dissipation air channel, the air inlet end of the heat dissipation air channel corresponds to and is communicated with the air inlet in the shell, and the air outlet end of the heat dissipation air channel corresponds to and is communicated with the air outlet in the shell.

The fixing seat is provided with a first cavity used for containing the radiating block and a second cavity used for containing the radiating fan, and the first cavity and the second cavity are communicated with each other to form the radiating air duct.

The first cavity is provided with a first locking part for fixing the radiating block; and/or a second lock catch part for fixing the cooling fan is arranged on the second cavity.

The air inlet corresponds to the heat dissipation block; the air outlet corresponds to the heat dissipation fan; or, the two cooling fans are arranged, the air inlet corresponds to one cooling fan, and the air outlet corresponds to the other cooling fan.

The shell is provided with an installation part, the fixing seat is provided with an installation matching part corresponding to the installation part, and the installation part is connected with the installation matching part to realize the installation connection of the fixing seat and the shell.

The edge of the top opening of the inner container is provided with a supporting part, the inner container is supported on the shell through the supporting part, and a sealing ring is arranged between the inner container and the shell.

The utility model has the advantages as follows:

the lunch box can realize the refrigerating and/or heating functions through the refrigerating and heating module, and has the advantages of simple structure, small volume and reliable performance; the refrigerating and heating module is a functional module which integrates refrigerating and heating at the same time, and the modular arrangement is realized, so that the assembly and the maintenance are convenient and quick, and the integrity is stronger; in addition, the inner container is detachable relative to the shell, so that the inner container can be conveniently and independently cleaned, and the electrical elements in the shell are prevented from being damaged by water; in addition, the heat dissipation air duct in the refrigeration and heating module adopts a unique air convection technology to play a role in efficient heat dissipation, and the refrigeration and heating module is effectively guaranteed to work stably and reliably.

Drawings

Fig. 1 is an exploded view of a lunch box according to a first embodiment of the present invention.

Fig. 2 is an exploded view of the refrigeration and heating module according to the first embodiment of the present invention.

Fig. 3 is a sectional view of the lunch box according to the first embodiment of the present invention.

Fig. 4 is a circuit diagram of the refrigeration and heating module in the first embodiment of the present invention.

Fig. 5 is a perspective view of the fixing base according to the first embodiment of the present invention.

Fig. 6 is a perspective view of the housing according to the first embodiment of the present invention.

Fig. 7 is a perspective view of the outer case in the second embodiment of the present invention.

Fig. 8 is a perspective view of the inner container and the outer shell in the third embodiment of the present invention.

Fig. 9 is an enlarged view of a portion a in fig. 8 according to the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

First embodiment

Referring to fig. 1-6, the refrigerating and heating lunch box comprises a top cover 1, an inner container 2 and a housing 9, wherein the inner container 2 is arranged in an inner cavity of the housing 9, and the top cover 1 covers the top of the inner container 2 so as to open or close an accommodating cavity for placing food on the inner container 2; the lunch box also comprises a refrigerating and heating module A for realizing the functions of refrigeration and heating, wherein the refrigerating and heating module A is positioned in an interlayer C between the outer bottom of the inner container 2 and the outer bottom of the shell 9; the refrigerating and heating module A comprises a fixed seat 6, and a semiconductor cold and hot sheet 5, a heat dissipation block 7 and a heat dissipation fan 8 which are respectively and fixedly arranged on the inner side of the fixed seat 6; the refrigeration and heating module A is fixedly arranged on the inner side of the shell 9 through a fixed seat 6; two semiconductor cold and hot sheets 5 are arranged to increase the refrigerating and heating area of the inner container 2 and improve the refrigerating and heating efficiency; the semiconductor cold and hot fins 5 and the heat dissipation fan 8 are respectively controlled by a control board (not marked in the figure) and powered by a power supply module (not marked in the figure) and/or an external power supply, and an indicator light 10 is arranged on the control board; the inner container 2 is arranged in a split manner relative to the shell 9 so as to be convenient for disassembling the inner container 2 for cleaning.

Furthermore, the top of the heat dissipation block 7 is exposed out of the first heat conduction through hole 601 in the middle of the fixed seat 6, and the top of the semiconductor cold and hot sheet 5 corresponds to and contacts with the outer surface of the bottom of the inner container 2, so that heat transfer between the semiconductor cold and hot sheet 5 and the inner container 2 is realized; the bottom of the semiconductor cold-hot plate 5 corresponds to and contacts with the exposed part of the top of the radiating block 7 so as to radiate the semiconductor cold-hot plate 5 which generates heat in work.

Furthermore, the refrigerating and heating module A also comprises heat insulation cotton 4 arranged between the inner container 2 and the fixed seat 6, and a second heat conduction through hole at the top of the semiconductor cold and hot sheet 5 exposed out of the middle part of the heat insulation cotton 4 corresponds to and contacts with the surface of the inner container 2; the heat insulation cotton 4 can be placed between the inner container 2 and the fixed seat 6 to generate heat transfer to influence the refrigeration and/or heating effect of the semiconductor cold and hot sheet 5 on the inner container 2.

Further, a heat dissipation air channel is arranged on the fixed seat 6, the heat dissipation block 7 and the heat dissipation fan 8 are respectively arranged in the heat dissipation air channel, an air inlet end of the heat dissipation air channel corresponds to and is communicated with the air inlet 901 at the bottom of the shell 9, and an air outlet end of the heat dissipation air channel corresponds to and is communicated with the air outlet 902 at the bottom of the shell 9; when the heat radiation fan 8 works, negative pressure is generated in the heat radiation air channel to form air convection so as to take away heat from the semiconductor cold and hot fins 5 on the heat radiation block 7, and an effective heat radiation effect is achieved.

Further, a first cavity 602 for accommodating the heat dissipation block 7 and a second cavity 603 for accommodating the heat dissipation fan 8 are disposed inside the fixing base 6, and the first cavity 602 and the second cavity 603 are communicated with each other to form a heat dissipation air duct.

Further, a second locking portion 604 for fixing the heat dissipation fan 8 is disposed at the bottom of the second cavity 603, and the second locking portion 604 in this embodiment is a snap.

Further, the air inlet 901 corresponds to the heat dissipation block 7, and the air outlet 902 corresponds to the heat dissipation fan 8. Specifically, two cooling fans 8 are arranged and respectively located at two ends of the cooling block 7, and outside air enters the first cavity 602 and then is distributed to the corresponding second cavities 603; this structure radiating effect is good, and wind is made an uproar lowly.

Furthermore, an installation part 903 is arranged on the inner side of the shell 9, an installation matching part 605 corresponding to the installation part 903 is arranged on the periphery of the fixed seat 6, and the installation part 903 is connected with the installation matching part 605 to realize the installation connection of the fixed seat 6 and the shell 9; specifically, the mounting portion 903 is a stud with an upward eye on the inner side of the housing 9, the mounting engagement portion 605 is a side lug with a through hole, and a fastening screw passes through the through hole on the mounting engagement portion 605 and then is screwed with the mounting portion 903.

Furthermore, a supporting part 201 is arranged on the edge of the top opening of the inner container 2, the supporting part 201 is an outward flange, the inner container 2 is supported on the shell 9 through the supporting part 201, and a sealing ring 3 is arranged between the inner container 2 and the shell 9.

Second embodiment

Referring to fig. 7, the difference between the refrigerating and heating lunch box of the first embodiment is: two cooling fans 8 are arranged, wherein the air inlet 901 corresponds to one cooling fan 8, and the air outlet 902 corresponds to the other cooling fan 8; when the two cooling fans 8 work, one cooling fan 8 draws outside air through the air inlet, and the other cooling fan 8 blows air to the outside through the air outlet, so that unidirectional and strong air convection is formed in the cooling air duct, and the cooling efficiency is higher.

Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.

Third embodiment

As shown in fig. 8 to 9, the inner container 2 may be integrally provided with respect to the outer container 9, and the inner container 2 and the outer container 9 may be integrally connected (the filling portion in fig. 9 is a welding or gluing position) by welding, gluing, or the like (structural process), and may not be detached. Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A refrigerating and heating lunch box comprises an inner container (2) and a shell (9), wherein the inner container (2) is arranged in the inner cavity of the shell (9); the method is characterized in that: the refrigerator also comprises a refrigerating and heating module (A) which is positioned in an interlayer (C) between the inner container (2) and the shell (9); the refrigerating and heating module (A) comprises a fixed seat (6), and a semiconductor cold and hot sheet (5), a heat dissipation block (7) and a heat dissipation fan (8) which are respectively arranged on the fixed seat (6); the refrigeration and heating module (A) is fixedly arranged on the shell (9) through a fixed seat (6); the semiconductor cold and hot sheet (5) and/or the heat dissipation fan (8) are controlled by the control panel and are powered by the power module and/or an external power supply; the inner container (2) is arranged in a split or integrated manner relative to the shell (9).

2. A refrigerating and heating lunch box as claimed in claim 1, wherein: the heat dissipation block (7) is at least partially exposed out of the first heat conduction through hole (601) in the fixed seat (6), and the semiconductor cold and hot fins (5) correspond to the surface of the inner container (2) and the exposed part of the heat dissipation block (7) respectively.

3. A refrigerating and heating lunch box as claimed in claim 2, wherein: the refrigeration and heating module (A) further comprises heat insulation cotton (4) arranged between the inner container (2) and the fixing seat (6), and at least part of the semiconductor cold and hot sheet (5) is exposed out of the second heat conduction through hole in the heat insulation cotton (4) and corresponds to the surface of the inner container (2).

4. A refrigerating and heating lunch box as claimed in claim 1, wherein: the fixing seat (6) is provided with a heat dissipation air channel, the heat dissipation block (7) and the heat dissipation fan (8) are respectively arranged on the heat dissipation air channel, the air inlet end of the heat dissipation air channel corresponds to and is communicated with the air inlet (901) on the shell (9), and the air outlet end of the heat dissipation air channel corresponds to and is communicated with the air outlet (902) on the shell (9).

5. A refrigerating and heating lunch box as claimed in claim 4, wherein: the fixing seat (6) is provided with a first cavity (602) used for containing the radiating block (7) and a second cavity (603) used for containing the radiating fan (8), and the first cavity (602) and the second cavity (603) are communicated with each other to form the radiating air duct.

6. A refrigerating and heating lunch box as claimed in claim 5, wherein: the first cavity (602) is provided with a first locking part for fixing the heat dissipation block (7); and/or a second locking part (604) for fixing the heat radiation fan (8) is arranged on the second cavity (603).

7. A refrigerating and heating lunch box as claimed in claim 4, wherein: the air inlet (901) corresponds to the heat dissipation block (7); the air outlet (902) corresponds to the heat radiation fan (8).

8. A refrigerating and heating lunch box as claimed in claim 4, wherein: two cooling fans (8) are arranged, wherein the air inlet (901) corresponds to one cooling fan (8), and the air outlet (902) corresponds to the other cooling fan (8).

9. A refrigerating and heating lunch box as claimed in claim 1, wherein: the mounting part (903) is arranged on the shell (9), the mounting matching part (605) corresponding to the mounting part (903) is arranged on the fixing seat (6), and the mounting part (903) is connected with the mounting matching part (605) to realize the mounting connection of the fixing seat (6) and the shell (9).

10. A refrigerating and heating lunch box as claimed in claim 1, wherein: the edge of the top opening of the inner container (2) is provided with a supporting part (201), the inner container (2) is supported on the shell (9) through the supporting part (201), and a sealing ring (3) is arranged between the inner container (2) and the shell (9).