Lunch box with refrigerating and heating functions
By using semiconductor refrigeration sheets, heat conduction parts, heat dissipation parts and other components in the lunch box, the switching of refrigeration and heating functions is achieved, solving the problem that existing lunch boxes cannot actively implement temperature adjustment, and meeting users' diverse temperature needs.
Patent Information
- Application Number
- CN202421658059.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-12
AI Technical Summary
Existing lunch boxes cannot actively realize the cooling or heating functions, and cannot meet users' diverse temperature needs.
A lunch box that combines refrigeration and heating is designed, using semiconductor refrigeration sheets, heat conductors, heat dissipation parts and inner vessels. The cooling or heating function is realized by switching the current direction of the semiconductor refrigeration sheets, and the cooling and heat are quickly dissipated through the heat dissipation parts.
The cooling and heating functions of food are realized to meet the multi-purpose needs of users. At the same time, the cooling and heat are quickly dissipated through the heat dissipation parts to ensure the cooling/heating effect.
Smart Images
Figure CN222853329U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lunch boxes, in particular to a lunch box with both refrigeration and heating functions. Background Art
[0002] Lunch boxes are commonly used food containers. As people's demand for taking food out increases, people have higher demands for the diversity of lunch box functions.
[0003] Existing lunch boxes can usually only achieve the temperature maintenance function. Food needs to be heated or frozen before use, and cannot actively achieve the cooling or heating function. Utility Model Content
[0004] The technical problem to be solved by the embodiments of the utility model is how to provide a lunch box with both cooling and heating functions.
[0005] In order to solve the above problems, an embodiment of the utility model proposes a lunch box with both cooling and heating functions, including a semiconductor refrigeration plate, a heat conductive member, a heat dissipation member and an inner pot, wherein the semiconductor refrigeration plate includes a first working surface and a second working surface relative to each other; one side surface of the heat conductive member is in contact with the inner pot, and the other side surface of the heat conductive member is in contact with the first working surface of the semiconductor refrigeration plate; the heat dissipation member is in contact with the second working surface of the semiconductor refrigeration plate.
[0006] A further technical solution is that the lunch box with both cooling and heating functions also includes a blowing device, which is arranged on one side of the heat sink and is used to blow air toward the heat sink.
[0007] A further technical solution is that the lunch box with both cooling and heating functions also includes a base, a mounting hole is provided on the base, the semiconductor refrigeration sheet is embedded in the mounting hole, and the heat conducting element and the heat dissipating element are respectively located on both sides of the base.
[0008] A further technical solution is that the heat sink comprises a base plate and a plurality of heat dissipation fins, and the plurality of heat dissipation fins are arranged on the base plate at intervals.
[0009] A further technical solution is that fastening holes are provided on the bottom plate of the heat sink and the base; the heat sink is fixed on the base by fasteners passing through the bottom plate of the heat sink and the fastening holes on the base.
[0010] A further technical solution is that the lunch box with both cooling and heating functions also includes a base, the base includes a receiving cavity, the base cover is closed on the receiving cavity, and the blowing device and the heat sink are both arranged in the receiving cavity.
[0011] A further technical solution is that a plurality of through holes are provided on the side wall of the accommodating cavity, and the plurality of through holes are located on both sides of the heat dissipation element.
[0012] A further technical solution is that the lunch box with both cooling and heating functions also includes an outer shell, the outer shell has an inner cavity, the inner cavity is provided with an upper opening and a lower opening, the base cover is closed on the lower opening of the inner cavity, the inner pot is arranged in the inner cavity of the outer shell, and the inner wall of the inner cavity is provided with a heat preservation layer.
[0013] A further technical solution is that the lunch box with both cooling and heating functions also includes a fixing clamp and an upper cover, the fixing clamp is arranged at the upper opening of the inner cavity, and the upper cover is detachably connected to the fixing clamp.
[0014] A further technical solution is that the lunch box with both cooling and heating functions further includes a first basin body and a second basin body, and the first basin body and the second basin body are detachably stacked in the inner pot.
[0015] Compared with the prior art, the technical effects that can be achieved by the embodiments of the present invention include:
[0016] By applying the technical solution of the embodiment of the utility model, the lunch box with both cooling and heating functions includes a semiconductor refrigeration plate, a heat conductive member, a heat sink and an inner liner, the semiconductor refrigeration plate includes a first working surface and a second working surface relative to each other; one side of the heat conductive member is in contact with the inner liner, and the other side of the heat conductive member is in contact with the first working surface of the semiconductor refrigeration plate; the heat sink is in contact with the second working surface of the semiconductor refrigeration plate; by switching the current direction of the semiconductor refrigeration plate, the first working surface of the semiconductor refrigeration plate can be switched to cooling or heating the inner liner, thereby meeting the diverse needs of users. At the same time, the heat sink can quickly dissipate the cold and heat of the semiconductor refrigeration plate to ensure the cooling / heating effect of the semiconductor refrigeration plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0019] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.
[0020] Figure 1 An exploded diagram of a lunch box with both cooling and heating functions proposed in an embodiment of the utility model;
[0021] Figure 2 A schematic diagram of the structure of a semiconductor refrigeration sheet for a lunch box with both cooling and heating functions proposed in an embodiment of the utility model;
[0022] Figure 3 A cross-sectional view of a lunch box with both cooling and heating functions proposed in an embodiment of the utility model;
[0023] Figure 4 A schematic diagram of the structure of a lunch box with both cooling and heating functions proposed in an embodiment of the utility model;
[0024] Figure 5 Another structural schematic diagram of a lunch box with both cooling and heating functions proposed in an embodiment of the utility model.
[0025] Reference numerals
[0026] Semiconductor refrigeration sheet 10, heat-conducting element 20, heat sink 30, inner liner 40, blowing device 50, base 60, base 70, outer shell 80, fixing clamp 90, upper cover 100, first basin body 110, second basin body 120, handle 130, first working surface 11, second working surface 12, bottom plate 31, heat dissipating fins 32, fastening holes 33, fasteners 34, accommodating cavity 71, through hole 72, inner cavity 81, thermal insulation layer 811. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments. Similar component numbers in the drawings represent similar components. Obviously, the embodiments to be described below are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0028] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.
[0029] It should also be understood that the terms used in this utility model embodiment specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model embodiments. As used in the utility model embodiment specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.
[0030] See also Figure 1-Figure 5 The present invention provides a lunch box with both cooling and heating functions, which can realize the cooling and heating functions of food and meet the multi-purpose needs of users. Specifically, the lunch box with both cooling and heating functions includes a semiconductor cooling sheet 10, a heat conducting member 20, a heat dissipating member 30 and an inner liner 40. The specific structure is described as follows:
[0031] The semiconductor cooling plate 10 includes a first working surface 11 and a second working surface 12 opposite to each other; the semiconductor cooling plate 10 generates a cold and hot effect when working, wherein one working surface cools and the other working surface heats. By switching the current direction of the semiconductor cooling plate 10, the cold and hot effects of the working surfaces are switched accordingly. For example, in one embodiment, before switching the current direction of the semiconductor cooling plate 10, the first working surface 11 cools and the second working surface 12 heats. After switching the current direction, the first working surface 11 heats and the second working surface 12 cools.
[0032] One side of the heat conductive member 20 is in contact with the inner liner 40, and the other side of the heat conductive member 20 is in contact with the first working surface 11 of the semiconductor cooling plate 10; the heat conductive member 20 is used to realize heat exchange between the semiconductor cooling plate 10, the first working surface 11 and the inner liner 40. When the first working surface 11 is cooling, heat is transferred from the inner liner 40 to the first working surface 11, thereby realizing cooling of the inner liner 40. When the first working surface 11 is heating, heat is transferred from the first working surface 11 to the inner liner 40, thereby realizing heating of the inner liner 40. The heat conductive member 20 can be specifically in the form of a sheet, and its material can be a high thermal conductivity material, such as aluminum.
[0033] The heat sink 30 is in close contact with the second working surface 12 of the semiconductor cooling plate 10. The heat sink 30 is used to quickly dissipate the cold and heat of the second working surface 12 of the semiconductor cooling plate 10.
[0034] By applying the technical solution of the embodiment of the utility model, the lunch box with both cooling and heating functions includes a semiconductor refrigeration sheet 10, a heat conductive member 20, a heat sink 30 and an inner liner 40, wherein the semiconductor refrigeration sheet 10 includes a first working surface 11 and a second working surface 12 relative to each other; one side of the heat conductive member 20 is in contact with the inner liner 40, and the other side of the heat conductive member 20 is in contact with the first working surface 11 of the semiconductor refrigeration sheet 10; the heat sink 30 is in contact with the second working surface 12 of the semiconductor refrigeration sheet 10; by switching the current direction of the semiconductor refrigeration sheet 10, the semiconductor refrigeration sheet 10 can be switched to cooling or heating the inner liner 40, thereby meeting the diverse needs of users. At the same time, the heat sink 30 can quickly dissipate the cold and heat of the semiconductor refrigeration sheet 10, thereby ensuring the cooling / heating effect of the semiconductor refrigeration sheet 10.
[0035] Furthermore, the lunch box with both cooling and heating functions also includes a blowing device 50, which is arranged on one side of the heat sink 30, and is used to blow air toward the heat sink 30. The blowing device 50 can be specifically a fan or a blower, which is not specifically limited in the utility model. The blowing device 50 is used to blow air toward the heat sink 30, so that the heat or cold of the heat sink 30 can be quickly dissipated, greatly improving the heat exchange efficiency. The blowing device 50 can be connected to the heat sink 30 by a fastener 34 or a snap-on structure, which is not specifically limited in the utility model.
[0036] Furthermore, the lunch box with both cooling and heating functions further comprises a base 60, a mounting hole is provided on the base 60, the semiconductor cooling sheet 10 is embedded in the mounting hole, and the heat conducting member 20 and the heat dissipating member 30 are respectively located on both sides of the base 60. Specifically, one side of the heat conducting member 20 is in contact with the first working surface 11 of the semiconductor cooling sheet 10, for example, one side of the heat conducting member 20 can be embedded in the mounting hole and in contact with the first working surface 11 of the semiconductor cooling sheet 10.
[0037] Furthermore, the heat sink 30 includes a bottom plate 31 and a plurality of heat dissipation fins 32, and the plurality of heat dissipation fins 32 are arranged at intervals on the bottom plate 31. The heat dissipation fins 32 can increase the heat exchange area, thereby greatly improving the heat exchange efficiency.
[0038] The heat sink 30 may be made of a high thermal conductivity material, such as aluminum, so that heat can be transferred quickly.
[0039] The second working surface 12 of the semiconductor cooling plate 10 is flush with the lower side of the mounting hole, and the bottom plate 31 is in close contact with the second working surface 12 of the semiconductor cooling plate 10 .
[0040] Furthermore, the bottom plate 31 of the heat sink 30 and the base 60 are both provided with fastening holes 33; the heat sink 30 is fixed to the base 60 by fasteners 34 passing through the bottom plate 31 of the heat sink 30 and the fastening holes 33 on the base 60. Specifically, the fastening holes 33 can be screw holes, and the fasteners 34 can be screws. The heat sink 30 and the base 60 are detachably connected by the screws and the screw holes.
[0041] Furthermore, the lunch box with both cooling and heating functions further comprises a base 70, the base 70 comprises a receiving cavity 71, the base 60 covers the receiving cavity 71, and the blowing device 50 and the heat sink 30 are both arranged in the receiving cavity 71. The receiving cavity 71 is an installation space for the blowing device 50 and the heat sink 30.
[0042] Further, in order to improve the heat exchange efficiency, a plurality of through holes 72 are provided on the side wall of the accommodating cavity 71, and the plurality of through holes 72 are located on both sides of the heat sink 30. The through holes 72 can be distributed in an array, and the through holes 72 are used for air intake or air outlet, thereby improving the heat exchange efficiency.
[0043] Furthermore, the lunch box with both cooling and heating functions further comprises a shell 80, wherein the shell 80 has an inner cavity 81, wherein the inner cavity 81 is provided with an upper opening and a lower opening, wherein the base 60 covers the lower opening of the inner cavity 81, and wherein the inner liner 40 is provided in the inner cavity 81 of the shell 80. The inner cavity 81 of the shell 80 is an installation space for the inner liner 40, and the shell 80 and the inner liner 40 may both be cylindrical. The inner wall of the inner cavity 81 is provided with a heat-insulating layer 811, such as a polyurethane heat-insulating layer 811, so as to provide a good heat-insulating effect.
[0044] Furthermore, the lunch box with both cooling and heating functions further includes a fixing snap ring 90 and an upper cover 100, wherein the fixing snap ring 90 is disposed at the upper opening of the inner cavity 81, and the upper cover 100 is detachably connected to the fixing snap ring 90, for example, the upper cover 100 and the fixing snap ring 90 are connected by threaded clamping, which is not specifically limited in the present invention. Specifically, the fixing snap ring 90 can be connected to the housing 80 by a fastener 34 or a clamping structure, which is not specifically limited in the present invention.
[0045] Furthermore, the lunch box with both cooling and heating functions further includes a first basin body 110 and a second basin body 120, which are detachably stacked in the inner pot 40. Specifically, the first basin body 110 can be used to hold rice, and the second basin body 120 can be used to hold vegetables, so that rice and vegetables can be held separately.
[0046] Furthermore, the lunch box with both cooling and heating functions further comprises a handle 130, and the handle 130 can be rotatably connected to the fixed clamp ring 90. The handle 130 facilitates picking up / putting down the lunch box with both cooling and heating functions.
[0047] Furthermore, the lunch box with both cooling and heating functions further includes a power module and a control module, wherein the power module is used to supply power to the semiconductor cooling sheet 10 and the blowing device 50. The control module is used to control the current direction of the semiconductor cooling sheet 10, and the control module may include a control button, through which the current direction of the semiconductor cooling sheet 10 is switched, thereby switching between cooling and heating.
[0048] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.
[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0051] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0052] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms should not be understood as necessarily being directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.
[0054] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these modifications and variations.
[0055] The above is a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A lunch box with both cooling and heating functions, characterized in that: It includes a semiconductor refrigeration plate, a heat conductive member, a heat sink and an inner tank, wherein the semiconductor refrigeration plate includes a first working surface and a second working surface opposite to each other; one side surface of the heat conductive member is in contact with the inner tank, and the other side surface of the heat conductive member is in contact with the first working surface of the semiconductor refrigeration plate; the heat sink is in contact with the second working surface of the semiconductor refrigeration plate.
2. The lunch box with both cooling and heating functions according to claim 1, characterized in that: The lunch box with both cooling and heating functions also includes a blowing device, which is arranged on one side of the heat sink and is used to blow air toward the heat sink.
3. The lunch box with both cooling and heating functions according to claim 2, characterized in that: The lunch box with both cooling and heating functions also includes a machine base, a mounting hole is provided on the machine base, the semiconductor refrigeration sheet is embedded in the mounting hole, and the heat conducting element and the heat dissipating element are respectively located on two sides of the machine base.
4. The lunch box with both cooling and heating functions according to claim 3, characterized in that: The heat sink comprises a bottom plate and a plurality of heat dissipation fins, wherein the plurality of heat dissipation fins are arranged on the bottom plate at intervals.
5. The lunch box with both cooling and heating functions according to claim 4, characterized in that: The bottom plate of the heat sink and the base are both provided with fastening holes; the heat sink is fixed on the base by fastening members passing through the bottom plate of the heat sink and the fastening holes on the base.
6. The lunch box with both cooling and heating functions according to claim 3, characterized in that: The lunch box with both cooling and heating functions also includes a base, the base includes a receiving cavity, the base cover is closed on the receiving cavity, and the blowing device and the heat sink are both arranged in the receiving cavity.
7. The lunch box with both cooling and heating functions according to claim 6, characterized in that: A plurality of through holes are arranged on the side wall of the accommodating cavity, and the plurality of through holes are located on both sides of the heat dissipation element.
8. The lunch box with both cooling and heating functions according to claim 5, characterized in that: The lunch box with both cooling and heating functions also includes an outer shell, which has an inner cavity with an upper opening and a lower opening. The base covers the lower opening of the inner cavity, the inner pot is arranged in the inner cavity of the outer shell, and the inner wall of the inner cavity is provided with a heat preservation layer.
9. The lunch box with both cooling and heating functions according to claim 8, characterized in that: The lunch box with both cooling and heating functions also includes a fixing clamp and an upper cover. The fixing clamp is arranged at the upper opening of the inner cavity, and the upper cover is detachably connected to the fixing clamp.
10. The lunch box with both cooling and heating functions according to claim 1, characterized in that: The lunch box with both cooling and heating functions also includes a first basin body and a second basin body, and the first basin body and the second basin body are detachably stacked in the inner container.