CN212437662U - Refrigerating and heating lunch box - Google Patents
Refrigerating and heating lunch box Download PDFInfo
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- CN212437662U CN212437662U CN202021197426.8U CN202021197426U CN212437662U CN 212437662 U CN212437662 U CN 212437662U CN 202021197426 U CN202021197426 U CN 202021197426U CN 212437662 U CN212437662 U CN 212437662U
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Abstract
The utility model relates to the technical field of lunch boxes, in particular to a refrigerating and heating lunch box; the lunch box comprises a lunch box and a base, wherein a heat conducting plate is arranged at the upper end of the base, a heating component, a refrigerating component and a power supply component are arranged in the base, the heating component and the refrigerating component are respectively in contact connection with the heat conducting plate, and the power supply component is respectively and electrically connected with the heating component and the refrigerating component; in the utility model, the power supply assembly starts the heating or refrigerating procedure through the control circuit board, the lunch box is heated or refrigerated to the set temperature, namely, the constant temperature mode is started, and the lunch box is taken away or is shut down after being used; the base and the lunch box are split, the lunch box can be taken away for eating or cleaning after heating or cooling, and the use is very convenient.
Description
Technical Field
The utility model relates to a lunch-box technical field especially indicates a refrigeration heating lunch-box.
Background
Lunch boxes are common catering utensils in daily life and are commonly used for storing, carrying and packaging food. With the development of economy and the acceleration of life rhythm, the popularization of take-out catering modes brings convenience to work and life of people. However, the problem of food safety is more and more prominent, so that many people also choose to make the lunch by themselves and bring the lunch to workplaces such as companies and schools after the lunch box is packaged. The lunch box can be generally divided into a disposable lunch box and a reusable lunch box, and the reusable lunch box can be divided into a fresh-keeping box and a heat-preservation box. The freshness-keeping lunch box prolongs the freshness of food through a sealing structure, and the heat-preservation lunch box is combined with a sealing structure and a heat-insulation structure, so that the food is at a suitable temperature for eating for a long time, but the food material deterioration speed can be accelerated by preserving heat for a long time.
Therefore, Chinese patent CN203934790U discloses a multifunctional lunch box, which comprises a lunch box body and a lunch box cover, wherein the lunch box body is of a three-layer structure and comprises a heating layer positioned at the innermost layer, a cooling layer positioned at the middle layer and a refrigerating layer positioned at the outermost layer, wherein a heating wire is arranged in the heating layer and is filled with heating electrolyte, a semiconductor refrigerator is arranged in the refrigerating layer and is filled with refrigerating electrolyte, and the cooling layer is used for introducing cooling medium; the heating wire and the semiconductor refrigerator are connected with a power supply through a two-way switch, and the two-way switch is arranged on the outer wall of the lunch box. The built-in heating and refrigerating structure of the lunch box body needs to be provided with a waterproof structure to avoid the damage of an internal circuit, so that more inconvenience exists in the use; similar lunch-box structure that has heating function of selling on the market is too complicated, and heating efficiency is low, leads to the cost too high to be favorable to promoting.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings of the prior art and provide a refrigerating and heating lunch box which is reasonable in structure, flexible to use and convenient to clean.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model relates to a refrigerating and heating lunch box, which comprises a lunch box and a base, wherein the upper end of the base is provided with a heat conducting plate, a heating component, a refrigerating component and a power supply component are arranged in the base, the heating component and the refrigerating component are respectively in contact connection with the heat conducting plate, and the power supply component is respectively and electrically connected with the heating component and the refrigerating component; the lunch box and the base are designed in a split mode, heat conduction is carried out between the base and the lunch box through the heat conducting plate, when the heating component works, the heat conducting plate can quickly heat food in the lunch box, and when the refrigerating component works, the heat conducting plate can quickly cool the food in the lunch box; therefore, the lunch box can carry food at normal temperature and can quickly heat or freeze the food; the lunch box and the base can be separated for cleaning, and the lunch box is safe, reliable and convenient to use.
According to the scheme, the lunch box can be placed on the heat conducting plate to realize contact type heat conduction, and is connected with the base in a matched manner through the detachable locking mechanism; the heat conducting plate and the lunch box can be tightly contacted by the weight of the lunch box, so that the lunch box can be freely taken and used without being disassembled and assembled, and the universal application of multiple lunch boxes is realized on the basis of a single base; after the lunch box and the base are connected through the locking mechanism, the lunch box and the base form an integrated structure so as to be convenient to carry, and the stable contact between the heat conducting plate and the lunch box is further ensured.
According to the scheme, the refrigerating assembly comprises a semiconductor chip refrigerating chip and a radiating piece, the cold end of the semiconductor chip refrigerating chip is fixedly connected with the bottom surface of the heat conducting plate, and the hot end of the semiconductor chip refrigerating chip is fixedly connected with the radiating piece; the semiconductor refrigeration piece reduces the temperature of the heat conducting plate through the temperature difference between the cold end and the hot end of the semiconductor refrigeration piece, so that food in the lunch box is cooled, the functions of keeping fresh and making cold drink can be realized, and the heat generated by the semiconductor refrigeration piece is dissipated into the air through the heat dissipation piece.
According to the scheme, the lower end of the base is provided with the bottom cover, and the bottom cover is provided with the heat dissipation structure matched with the heat dissipation piece; the heat radiation structure includes ventilation hole, convection current fan or cooling water etc. the ventilation hole can exchange the heat on the radiating piece with outside air, further the convection current fan makes the heat of radiating piece give off fast through forced draft, and further, can place the base on the container of taking water, under the insulating condition of circuit in guaranteeing the base, make radiating piece and cooling water direct contact to guarantee that the heat accessible radiating piece that semiconductor chip refrigeration piece produced realizes giving off fast, guarantee refrigeration component's normal work efficiency.
According to the scheme, the heating assembly comprises an electric heating wire, a heating tube, a PTC heating sheet, a ceramic heating sheet and a heating film, a control circuit board is arranged on the power supply assembly, and a touch panel of the control circuit board is arranged on the side wall of the base; the heating assembly can be reasonably configured according to the heating speed, the preferred heating assembly adopts the PTC heating sheet which can be arranged around the semiconductor sheet refrigerating sheet, the heating assembly has the advantages of large contact area and high heating efficiency, and the heating speed of the heating assembly to the lunch box can be increased to within 30 minutes; the control circuit board is used for managing the working modes of the heating assembly and the refrigerating assembly, and meanwhile, the control circuit board detects the working state through the temperature controller, and when the heating or refrigerating assembly is heated or refrigerated to a set time or temperature, the heating assembly or the refrigerating assembly enters a constant temperature control mode.
According to the scheme, the box cover is arranged at the upper end of the lunch box, the specification of the lunch box is matched with the heat conducting plate, and the bottom surface of the lunch box completely covers the heat conducting plate when the lunch box and the heat conducting plate are in contact connection; the lunch-box covers the contact setting completely with the heat-conducting plate, can guarantee that heating element or refrigeration subassembly operating temperature realize the maximize conduction through the heat-conducting plate to improve heating element and refrigeration subassembly's work efficiency, it is more energy-conserving high-efficient.
In the utility model, the power supply assembly starts the heating or refrigerating procedure through the control circuit board, the lunch box is heated or refrigerated to the set temperature, namely, the constant temperature mode is started, and the lunch box is taken away or is shut down after being used; the base and the lunch box are split, the lunch box can be taken away for eating or cleaning after heating or cooling, and the use is very convenient.
Drawings
Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention.
In the figure:
1. a base; 2. a lunch box; 11. a heat conducting plate; 12. a heat generating component; 13. a power supply component; 14. a semiconductor wafer refrigerating plate; 15. a heat sink; 16. a bottom cover.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.
As shown in fig. 1, the lunch box for refrigeration and heating of the present invention comprises a lunch box 2 and a base 1, wherein a heat conducting plate 11 is disposed at the upper end of the base 1, a heating component 12, a refrigeration component and a power supply component 13 are disposed in the base 1, the heating component 12 and the refrigeration component are respectively in contact connection with the heat conducting plate 11, and the power supply component 13 is respectively electrically connected with the heating component 12 and the refrigeration component; the lunch box 2 and the base 1 are designed in a split mode, heat conduction is carried out between the base 1 and the lunch box 2 through the heat conducting plate 11, when the heating component 12 works, the heat conducting plate 11 can quickly heat food in the lunch box 2, and when the refrigerating component works, the heat conducting plate 11 can quickly cool the food in the lunch box 2; so that the lunch box 2 can carry food at normal temperature and can heat or freeze food quickly; the lunch box 2 and the base 1 can be separated for cleaning, and is safe, reliable and convenient to use.
The lunch box 2 can be placed on the heat conducting plate 11 to realize contact type heat conduction, and the lunch box 2 is connected with the base 1 in a matching way through a detachable locking mechanism; the heat conducting plate 11 and the lunch box 2 can be tightly contacted by the weight of the lunch box 2, so that the lunch box 2 can be taken freely without being disassembled and assembled for use, and the universal application of the multiple lunch boxes 2 is realized on the basis of the single base 1; after the lunch box 2 and the base 1 are connected through the locking mechanism, the lunch box and the base form an integrated structure so as to be convenient to carry, and the stable contact between the heat conducting plate 11 and the lunch box 2 is further ensured.
The refrigerating assembly comprises a semiconductor refrigeration piece 14 and a radiating piece 15, the cold end of the semiconductor refrigeration piece 14 is fixedly connected with the bottom surface of the heat conducting plate 11, and the hot end of the semiconductor refrigeration piece 14 is fixedly connected with the radiating piece 15; the semiconductor refrigeration piece 14 reduces the temperature of the heat conducting plate 11 through the temperature difference between the cold end and the hot end of the semiconductor refrigeration piece, so that food in the lunch box 2 is cooled, the functions of keeping fresh and making cold drink can be realized, and the heat generated by the semiconductor refrigeration piece 14 is dissipated into the air through the heat dissipation piece 15.
The lower end of the base 1 is provided with a bottom cover 16, and the bottom cover 16 is provided with a heat dissipation structure matched with the heat dissipation piece 15; the heat radiation structure includes ventilation hole, convection current fan or cooling water etc, the ventilation hole can exchange heat on the radiating piece 15 with the outside air, further the convection current fan makes the heat of radiating piece 15 give off fast through forced draft, and further, can place base 1 on the container of taking water, under the insulating condition of circuit in guaranteeing base 1, make radiating piece 15 and cooling water direct contact, thereby guarantee that the heat accessible radiating piece 15 that semiconductor chip refrigeration piece 14 produced realizes giving off fast, guarantee refrigeration component's normal operating efficiency.
The heating assembly 12 comprises an electric heating wire, a heating tube, a PTC heating sheet, a ceramic heating sheet and a heating film, the power supply assembly 13 is provided with a control circuit board, and a touch panel of the control circuit board is arranged on the side wall of the base 1; the heating component 12 can be reasonably configured according to the heating speed, the preferred heating component 12 adopts a PTC heating sheet which can be arranged around the semiconductor sheet refrigerating sheet 14, the PTC heating sheet has the advantages of large contact area and high heating efficiency, and the heating speed of the heating component 12 to the lunch box 2 can be increased to within 30 minutes; the control circuit board is used for managing the working modes of the heating component 12 and the refrigerating component, and meanwhile, the control circuit board detects the working state through the temperature controller, and when the heating or refrigerating component is heated or refrigerated to a set time or temperature, the heating component 12 or the refrigerating component enters a constant temperature control mode.
The upper end of the lunch box 2 is provided with a box cover 21, the specification of the lunch box 2 is matched with the heat conducting plate 11, and the bottom surface of the lunch box 2 completely covers the heat conducting plate 11 when the lunch box 2 and the heat conducting plate are in contact connection; lunch-box 2 covers the contact setting with heat-conducting plate 11 completely, can guarantee that heating element 12 or refrigeration subassembly operating temperature realize the maximize conduction through heat-conducting plate 11 to improve heating element 12 and refrigeration subassembly's work efficiency, it is more energy-conserving high-efficient.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (6)
1. A refrigerating and heating lunch box, which comprises a lunch box and a base and is characterized in that,
the upper end of the base is provided with a heat conducting plate, the base is internally provided with a heating component, a refrigerating component and a power supply component,
the heating component and the refrigeration component are respectively in contact connection with the heat conducting plate, and the power supply component is respectively and electrically connected with the heating component and the refrigeration component.
2. A refrigerating and heating lunch box as claimed in claim 1, wherein the lunch box can be placed on the heat conducting plate for contact heat conduction, and is fittingly connected to the base through a detachable locking mechanism.
3. A refrigerating and heating lunch box as recited in claim 1, wherein the refrigerating module comprises a semiconductor refrigeration fin and a heat sink, the cold end of the semiconductor refrigeration fin is fixedly connected to the bottom surface of the heat conducting plate, and the hot end of the semiconductor refrigeration fin is fixedly connected to the heat sink.
4. A lunch box as claimed in claim 3, wherein the base has a bottom cover at its lower end, and the bottom cover has a heat dissipating structure engaging with the heat dissipating member.
5. A refrigerating and heating lunch box as claimed in claim 1, wherein the heating element comprises a heating wire, a heating tube, a ceramic heating plate, a PTC heating plate and a heating film, the power supply element is provided with a control circuit board, and a touch panel of the control circuit board is arranged on a side wall of the base.
6. A refrigerating and heating lunch box as claimed in claim 1, wherein the lunch box is provided at an upper end thereof with a box cover, and the lunch box is sized to fit the heat conductive plate so that a bottom surface of the lunch box completely covers the heat conductive plate when the lunch box and the heat conductive plate are in contact connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197426.8U CN212437662U (en) | 2020-06-24 | 2020-06-24 | Refrigerating and heating lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197426.8U CN212437662U (en) | 2020-06-24 | 2020-06-24 | Refrigerating and heating lunch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212437662U true CN212437662U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021197426.8U Active CN212437662U (en) | 2020-06-24 | 2020-06-24 | Refrigerating and heating lunch box |
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| CN (1) | CN212437662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114947330A (en) * | 2022-04-19 | 2022-08-30 | 浙江先导热电科技股份有限公司 | Heating and refrigerating integrated portable lunch box and heating and refrigerating method |
-
2020
- 2020-06-24 CN CN202021197426.8U patent/CN212437662U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114947330A (en) * | 2022-04-19 | 2022-08-30 | 浙江先导热电科技股份有限公司 | Heating and refrigerating integrated portable lunch box and heating and refrigerating method |
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