CN212930654U

CN212930654U - Temperature control food box/bag

Info

Publication number: CN212930654U
Application number: CN202021147019.6U
Authority: CN
Inventors: 杨海峰
Original assignee: Shenzhen Vicshine Electronic Technology Co ltd
Current assignee: Shenzhen Vicshine Electronic Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-04-09
Anticipated expiration: 2030-06-19

Abstract

The application discloses control by temperature change food case/package, including case/package body and set up in temperature control system on the case/package body. The refrigeration unit, the heating unit and the temperature control unit which work in a matched mode are arranged, so that the refrigeration and heating of food in the food placing area are realized, the volume is small, the carrying is convenient, the use can be carried out at any time and any place, and the convenience and the rapidness are realized; by arranging one or more box/bag inner containers and arranging one or more food containing cavities in each box/bag inner container, the food requirement of food diversity is met. According to the temperature control food box/bag, a user sets reasonable temperature independently to refrigerate and heat food, so that the taste of the food is guaranteed on the premise of effectively reducing the loss of food nutrition, the use is safer, and the food is healthier; meanwhile, various intelligent modules are arranged, so that the use is more convenient.

Description

Temperature control food box/bag

Technical Field

The application relates to the technical field of intelligent living electric appliances, in particular to a temperature control food box/bag.

Background

People take food as the day, and along with the acceleration of life rhythm, people have higher and higher performance requirements on aspects of convenience, high efficiency, nutrition, safety and the like of food.

The lunch time of office workers is short, the office workers can face the long ordering team when going out to eat lunch, the time and the labor are consumed, and the nutritional safety of fast food cannot be effectively guaranteed; although the problem is solved to a certain extent by the self-contained lunch, the self-contained lunch needs to be heated by a public microwave oven, generally needs a long time for waiting, the public microwave oven cannot be cleaned normally and timely, the inner wall of the public microwave oven can accumulate and adhere to the degeneration in the heating process, and the long-term use can generate potential adverse effects on the body.

Meanwhile, the similar problem also exists when the user walks across the dining point by driving or taking a car, and people can only eat instant noodles or fast food restaurants, especially when the user walks with children, so that the eating mode has great health hidden trouble.

The existing products such as the heat-preservation lunch box and the smoldering pot in the market improve the situation to a certain extent, but the heat-preservation lunch box and the smoldering pot have relatively single functions, the food in the heat-preservation lunch box can not be stored for a long time, and the smoldering pot is generally only suitable for fluid food and has poor taste.

Disclosure of Invention

The present application aims to solve at least one of the above technical problems to a certain extent.

The application provides a temperature control food box/bag, which comprises a box/bag body and a temperature control system arranged on the box/bag body;

the box/bag body comprises an inner shell and an outer shell, wherein a food placing area is defined in the inner shell, and a hollow circuit cavity for arranging a temperature control system circuit is formed between the inner shell and the outer shell; a first sealing structure is arranged at the joint of the inner shell and the outer shell;

the temperature control system includes:

a processor unit;

the refrigerating unit and the heating unit are respectively connected with the processor unit; and

the temperature control unit is connected with the processor unit to control the refrigeration unit and the heating unit to work;

the temperature control unit comprises a cold and hot regulation and control module, a temperature regulation and control module and a time regulation and control module which are connected with the processor unit.

Further, the cold and hot regulation and control module comprises:

the cold and hot change-over switch is connected with the refrigerating unit and the heating unit; and

the cold and hot control module is in communication connection with the cold and hot switch to control the cold and hot switch to be communicated with the refrigerating unit or the heating unit; the cold and hot control module comprises a refrigeration instruction and a heating instruction, the refrigeration instruction is used for controlling the cold and hot switch to be communicated with the refrigeration unit, and the heating instruction is used for controlling the cold and hot switch to be communicated with the heating unit.

Further, the temperature regulation module comprises:

the temperature sensor is arranged in the circuit cavity and is tightly attached to the inner shell;

the temperature control module is used for presetting a temperature value to control the refrigeration unit or the heating unit to work according to the preset temperature value, and comprises a temperature increasing instruction and a temperature decreasing instruction;

the temperature display module is connected with the temperature sensor and the temperature control module to display the current temperature value and/or the preset temperature value; and

and the temperature reminding module is connected with the temperature sensor to remind a user when the temperature reaches a limit value or a preset value.

Further, the time regulation module comprises:

the time monitoring module is used for monitoring the working time of the refrigerating unit or the heating unit;

the time control module is used for presetting refrigeration or heating time to control the refrigeration unit or the heating unit to work according to a preset time value, and comprises a timing instruction and a timing reduction instruction;

the time display module is connected with the time monitoring module and the time control module to display the current time value and/or the preset time value; and

and the time reminding module is connected with the time monitoring module to remind a user when the time reaches a limit value or a preset value.

Furthermore, the temperature control system also comprises a human-computer interaction unit connected with the processor unit, wherein the human-computer interaction unit comprises a display module and an operation module, and the operation module adopts at least one of a touch mode, a voice mode, a key mode, a knob mode and a Bluetooth mode.

Furthermore, the temperature control system further comprises a power supply unit for providing electric energy, the power supply unit comprises a rechargeable battery arranged in the circuit cavity and a charging interface electrically connected with the rechargeable battery for charging the rechargeable battery, and the charging interface is hermetically connected with the shell.

Further, the temperature control system further comprises a heat dissipation unit; the refrigeration unit includes the refrigeration piece, the heating unit includes the heating plate, the radiating element is including setting up in the fin towards shell one side of refrigeration piece and heating plate.

Further, the junction of inner shell and shell is provided with the card strip and the draw-in groove of cooperation joint, be provided with the sealing member between card strip and the draw-in groove, the sealing member cover is located on the card strip and with draw-in groove interference fit.

Further, the box/bag body is provided with a sealing structure which can open or close the food placing area, and a second sealing structure which seals the food placing area is arranged at the sealing structure.

Furthermore, the temperature control food box/bag also comprises at least one inner container, and the inner container is provided with at least one food containing cavity for containing food.

The beneficial effect of this application is: the refrigeration unit, the heating unit and the temperature control unit are arranged in a matched manner, so that the refrigeration and heating of food in the food placing area are realized, the volume is small, the carrying is convenient, the use can be carried out at any time and any place, and the convenience and the rapidness are realized; the rapid switching of the refrigeration and heating functions is realized by arranging the cold and hot regulation and control module, the temperature of food in the food placing area is monitored in real time by arranging the temperature regulation and control module, and meanwhile, the temperature and time are accurately regulated and controlled by arranging the temperature regulation and control module and the time regulation and control module, so that the temperature control food box/bag is more intelligently used, and the practicability of the temperature control food box/bag is improved; by arranging one or more box/bag inner containers and arranging one or more food containing cavities in each box/bag inner container, the food requirement of food diversity is met. According to the temperature control food box/bag, a user sets reasonable temperature independently to refrigerate and heat food, so that the taste of the food is guaranteed on the premise of effectively reducing the loss of food nutrition, the use is safer, and the food is healthier; meanwhile, various intelligent modules are arranged, so that the use is more convenient.

Drawings

Fig. 1 is a schematic perspective view of a temperature-controlled food box/bag according to a first embodiment of the present application.

Fig. 2 is a schematic structural view of the matching of the case/bag body and the single liner in the first embodiment of the present application.

Fig. 3 is a schematic structural view of the case/bag body and the plurality of liners in the first embodiment of the present application.

Fig. 4 is a schematic perspective view of a second embodiment of the temperature-controlled food box/bag according to the present application.

Fig. 5 is a schematic cross-sectional view of a cartridge according to a first embodiment of the present application.

Fig. 6 is an enlarged view of a portion a of the present application.

Fig. 7 is a schematic perspective view of a third embodiment of the temperature-controlled food box/bag according to the present application.

Fig. 8 is a schematic circuit diagram of a temperature control system according to the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature therebetween; also, the first feature "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature; the first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

Referring to fig. 1 to 8, the present application provides a temperature-controlled food box/bag, which includes a box/bag body 10 and a temperature control system disposed on the box/bag body 10.

The box/bag body 10 is used to carry and store food. In the present application, the box/bag body includes an inner case 110 and an outer case 120, the inner case 110 is internally defined with a food placing area 11, and the food placing area 11 has an open end for putting in or taking out food.

A hollow circuit cavity 130 for arranging a circuit is formed between the inner shell 110 and the outer shell 120, and a first sealing structure is arranged at the joint of the inner shell 110 and the outer shell 120. As shown in fig. 6, in the present embodiment, a joint of the inner shell 110 and the outer shell 120 is provided with a clamping strip 111 and a clamping groove 121 in a matching manner, a sealing element 140 is disposed between the clamping strip 111 and the clamping groove 121, and the sealing element 140 is sleeved on the clamping strip 111 and is in interference fit with the clamping groove 121. Through setting up the card strip 111 and the draw-in groove 121 structure of cooperation joint to set up sealing member 140 between card strip 111 and draw-in groove 121, realize inner shell 110 and shell 120 sealing connection, effectively avoid the temperature control food case/package in the use liquid or other materials get into circuit cavity 130 in and the emergence of the circuit damage phenomenon that leads to, it is safer to use, life is longer.

The box/bag body 10 is provided with a sealing structure 20 which can open or close the food placing area, and a second sealing structure which can be a sealing ring is provided at the sealing structure 20 to seal the food placing area 11.

In the embodiment shown in fig. 1 to 4, the case/bag body 10 and the sealing structure 20 are separately provided, the sealing structure 20 is a cover, and the case/bag body 10 and the cover are provided with a locking structure for tightly connecting the cover to the case/bag body 10. The box/bag body 10 and the cover body can be arranged in a split type, namely, the cover body can be completely separated from the box/bag body 10, the cover body is directly taken down when food needs to be put in, and the cover body is taken up and covered tightly after the food is put in. As another embodiment, the box/bag body 10 may also be hinged to the cover, and the box/bag body 10 and the free end of the cover, which is far from the hinged end, are provided with a locking structure in a matching manner. Of course, the box/bag body 10 and the lid may be connected in other ways, such as by a rotatable connection. It will be understood that the case/bag body 10 and cover may be provided in any suitable shape, such as circular, oval, irregular, etc., and are not limited to the square shape shown in the drawings attached to this application.

As shown in fig. 7, the case/bag body 10 is provided in a bag style, and the sealing structure 20 is directly a locking structure, such as a zipper, a sealing strip, etc., provided on the case/bag body 10.

Referring to fig. 2 and 3, in order to facilitate the holding and eating of food and the cleaning of the box/bag body 10, the temperature-controlled food box/bag is further provided with an inner container 30, the inner container 30 is provided with a food holding cavity 31 for directly holding food, and one or more food holding cavities 31 can be set according to actual use requirements. In a preferred embodiment, the outer contour of the inner container 30 matches the inner contour of the food placing area 11, so that the inner container 30 can be stably received on the box/bag body 10. In specific implementation, the inner containers 30 may be arranged in one or more according to requirements. In the embodiment shown in fig. 3, the number of the inner containers 30 is two, one of the inner containers 30 has one food accommodating cavity 31, and the other inner container 30 has two food accommodating cavities 31, so that different types of food such as rice, dishes, soup and the like can be accommodated in the different food accommodating cavities 31, thereby realizing respective storage of diversified food and ensuring nutrition of food. In the present application, the inner container 30 is preferably made of food-grade stainless steel, such as 304 stainless steel, 316 stainless steel, etc.

In order to facilitate the inner container 30 to be quickly taken out from the food placing area 11, a holding structure 32 is disposed on the inner container 30, and the holding structure 32 may be a lug structure as shown in fig. 2 and 3, or any other structure that can be used to hold the inner container 30 for easy taking out, such as a handle, a pull ring, etc. Meanwhile, in order to facilitate taking and putting of the case/bag body 10, a holding structure can be arranged on the case/bag body 10 according to actual requirements.

In the present application, the direction of the open end of the food placing area 11 on the box/bag body 10 can be set according to actual requirements, as shown in the embodiment shown in fig. 1, the open end of the food placing area 11 faces upward, the cover body is arranged above the box/bag body 10, and the cover body can be opened upward; in the embodiment shown in fig. 4, the open end of the food placing section 11 is located at a side, the cover body is provided at a corresponding side of the box/bag body 10, the cover body and the box/bag body 10 may be hinged at a lower side so that the cover body can be opened downward, or the cover body and the box/bag body 10 may be hinged at a side so that the cover body can be opened sideways. The temperature control system may be disposed completely on the case/bag body 10, or may be disposed on the case/bag body 10 and the cover in a fitting manner.

Referring to fig. 8, the temperature control system includes a processor unit 210, a refrigeration unit 220, a heating unit 230, a temperature control unit 240, a heat dissipation unit 250, a power supply unit 260, and a human-computer interaction unit 270.

In this application, the processor unit 210 includes an MCU microprocessor.

The refrigerating unit 220 includes at least one refrigerating sheet 221, the heating unit 230 includes at least one heating sheet 231, and the refrigerating sheet 221 and the heating sheet 231 are arranged in the circuit cavity 130 according to a preset position and tightly attached to the inner shell 110. Referring to fig. 5, in the present embodiment, the cooling fins 221 and the heating fins 231 are disposed in different areas, the cooling fins 221 are disposed at the bottom opposite to the open end of the food placing area 11, and the heating fins 231 are disposed around the food placing area 11. Of course, in some embodiments, the cooling fins 221 and the heating fins 231 may also be arranged in a staggered manner when the working requirement is met.

The temperature control unit 240 is configured to control the operation of the refrigeration unit 220 and the heating unit 230, and the temperature control unit 240 includes a cold and hot regulation module 241, a temperature regulation module 242, and a time regulation module 243 connected to the processor unit 210.

The cold/hot control module 241 includes a cold/hot switch 411 and a cold/hot control module 412. The cold/hot switch 411 is connected to the refrigeration unit 220 and the heating unit 230, and the cold/hot control module 412 is in communication with the cold/hot switch 411 to control the cold/hot switch 411 to communicate with the refrigeration unit 220 or the heating unit 230. The cold and hot control module 412 includes a cooling command for controlling the cold and hot switch 411 to communicate with the cooling unit 220 and a heating command for controlling the cold and hot switch 411 to communicate with the heating unit 230. When the food in the food placing area 11 needs to be refrigerated, a refrigeration instruction is started, at this time, the processor unit 210 controls the cold-hot switch 411 to be connected with the refrigeration unit 220, and the refrigeration unit 220 starts to work, so that a refrigeration function is realized; when the food in the food placing area 11 needs to be heated, a heating instruction is started, and at this time, the processor unit 210 controls the hot/cold switch 411 to connect the heating unit 230, so that the heating unit 230 starts to work, and a heating function is realized.

The temperature control module 242 includes a temperature sensor 421, a temperature control module 422, a temperature display module 423, and a temperature reminding module 424. The temperature sensor 421 is disposed in the circuit cavity 130 and closely attached to the inner casing 110 for sensing the temperature in the food placing area 11. The temperature control module 422 is used for presetting a temperature value to control the refrigeration unit 220 or the heating unit 230 to work according to the preset temperature value, and the temperature control module 422 comprises a temperature increasing instruction and a temperature decreasing instruction. The temperature display module 423 is connected to the temperature sensor 421 and the temperature control module 422 to display a current temperature value and a preset temperature value. The temperature reminding module 424 is connected with the temperature sensor 421 to remind the user when the temperature reaches a limit value or a preset value. In the present application, the temperature value range that the temperature control module 422 can preset is 0-50 ℃, and is preferably set to 5-40 ℃.

The time regulation module 243 includes a time monitoring module 431, a time control module 432, a time display module 433 and a time reminding module 434. The time monitoring module 431 is used for monitoring the operation time of the cooling unit 220 or the heating unit 230. The time control module 432 is used to preset cooling or heating time to control the cooling unit 220 or the heating unit 230 to operate according to a preset time value, and the time control module 432 includes an adding time command and a subtracting time command. The time display module 433 is connected to the time monitoring module 431 and the time control module 432 to display the current time value and the preset time value. The time alert module 434 is connected to the time monitoring module 432 to alert the user when the time reaches a threshold or preset value.

The heat dissipation unit 250 is used for dissipating heat of related electronic components during operation, in this embodiment, the heat dissipation unit 250 includes a heat dissipation plate 251 disposed on one side of the cooling plate 221 and the heating plate 231 facing the housing 120. The refrigeration unit 220, the heating unit 230 and the heat dissipation unit 250 are all made of thin sheet-shaped elements, so that the requirement of miniaturization of the temperature control food box/bag body is met, and the temperature control food box/bag body is more convenient to carry.

The power supply unit 260 is used for supplying electric energy to the whole temperature control system. In order to facilitate the use of the temperature-controlled food box/bag anytime and anywhere, the power supply unit 260 is provided in a chargeable structure. Specifically, the power supply unit 260 includes a rechargeable battery 261 disposed in the circuit cavity 130, and a charging interface 262 for connecting an external power source to charge the rechargeable battery 261. In order to prevent external liquid or other substances from entering the circuit cavity 130, the charging interface 262 is hermetically connected with the housing 120.

The human-computer interaction unit 270 includes a display module and an operation module, and the operation module adopts at least one of a touch mode, a voice mode, a key mode, a knob mode and a bluetooth mode. In the first embodiment shown in fig. 1, the display module is a display screen 41 disposed on the box/bag body 10; the operation module adopts a key mode, that is, the box/bag body 10 is provided with operation keys 42 corresponding to the respective control modules. As shown in fig. 4, in the second embodiment, the operation module adopts a touch screen mode, and the display module is a touch screen 51 disposed on the box/bag body 10. The operation module can set a voice mode and/or a Bluetooth mode at the same time of setting other operation modules. Through setting up the pronunciation mode, make the user accessible pronunciation operation temperature control system, temperature control food case/package also can be for the relevant operating condition of user feedback temperature control system through the pronunciation mode simultaneously. Through setting up the bluetooth mode, the user can be connected mobile terminal and control by temperature change food case/package bluetooth, and then directly realize the control to temperature control system through mobile terminal, control by temperature change food case/package also can directly feed back temperature control system's relevant operating condition to user's mobile terminal through the bluetooth simultaneously.

When the temperature control food box/bag is used for storing food, the food is firstly classified or mixed according to requirements and is put into the food accommodating cavity 31 of the inner container 30 of the box/bag; then, the case/bag liner 30 containing the food is put into the food placing area 11 of the case/bag body 10, and the cover body 20 is covered; the cold and hot control module 412 is operated to select a refrigeration instruction, the processor unit 210 controls the cold and hot switch 411 to be connected with the refrigeration unit 220 for refrigeration, meanwhile, the temperature control module 422 is operated to preset a temperature value to be reached by the food placing area 11, and the refrigeration unit 220 performs refrigeration according to the preset temperature value; when food needs to be eaten, the cold and hot control module 412 is operated to select a heating instruction, the processor unit 210 controls the cold and hot switch 411 to be connected with the heating unit 230 for heating, meanwhile, the temperature control module 422 is operated to preset a temperature value to be reached by the food placing area 11, the heating unit 230 heats according to the preset temperature value, when the food placing area 11 reaches the preset temperature value, the heating unit 230 stops working, and the temperature reminding module 424 sends an instruction to finish reminding. When the refrigeration or heating time is limited while refrigeration or heating is needed, the time control module is operated, the refrigeration unit 220 or the heating unit 230 works according to the preset working time, and after the preset time is up, the time reminding module 434 reminds the user of finishing the work.

It will be appreciated that in the particular use of the temperature controlled food pod/package of the present application, the food may also be placed in other suitable refrigerated and heated containers, such as ceramic plates, and placed directly into the food placement area 11, and then refrigerated or heated using the temperature controlled food pod/package of the present application.

According to the temperature control food box/bag, the refrigeration unit 220, the heating unit 230, the temperature control unit 240 and the power supply unit 260 are arranged, so that the food in the food placing area 11 can be refrigerated and heated, the volume is small, the temperature control food box/bag is convenient to carry, can be used anytime and anywhere, and is convenient and rapid; the rapid switching of the refrigeration and heating functions is realized by arranging the cold and hot regulation module 241, the temperature of food in the food placing area 11 is monitored in real time by arranging the temperature regulation module 242, and meanwhile, the accurate regulation and control of the preset temperature are realized by arranging the temperature control module 422, so that the use of the temperature control food box/bag is more intelligent, and the practicability of the temperature control food box/bag is improved; by arranging one or more case/bag liners 30 and arranging one or more food accommodating cavities 31 in each case/bag liner 30, the dietary requirements of food diversity are met. This application temperature control food case/package is through user's autonomic reasonable temperature that sets up in order to refrigerate and heat food, under the prerequisite that effectively reduces food nutrition loss, ensures food taste, uses safelyr, and diet is more healthy.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the spirit of the disclosure.

Claims

1. A temperature control food case/bag is characterized by comprising a case/bag body and a temperature control system arranged on the case/bag body;

the temperature control system includes:

a processor unit;

2. The temperature-controlled food bin/bag according to claim 1, wherein the cool and heat regulating module comprises:

3. The temperature-controlled food bin/bag of claim 1 wherein the temperature regulation module comprises:

4. The temperature-controlled food bin/bag of claim 1 wherein the time-adjustment module comprises:

5. The temperature controlled food box/bag according to any one of claims 1-4, wherein said temperature control system further comprises a human-computer interaction unit connected to said processor unit, said human-computer interaction unit comprising a display module and an operation module, said operation module employing at least one of a touch mode, a voice mode, a key mode, a knob mode, and a Bluetooth mode.

6. The temperature controlled food box/bag according to any one of claims 1-4, wherein the temperature control system further comprises a power supply unit for providing electric energy, the power supply unit comprises a rechargeable battery disposed in the circuit cavity, and a charging interface electrically connected with the rechargeable battery for charging the rechargeable battery, and the charging interface is hermetically connected with the housing.

7. The temperature controlled food case/bag according to any one of claims 1 to 4, wherein said temperature control system further comprises a heat dissipating unit; the refrigeration unit includes the refrigeration piece, the heating unit includes the heating plate, the radiating element is including setting up in the fin towards shell one side of refrigeration piece and heating plate.

8. The temperature-controlled food box/bag as claimed in any one of claims 1 to 4, wherein a joint of the inner shell and the outer shell is provided with a clamping strip and a clamping groove which are matched and clamped, a sealing element is arranged between the clamping strip and the clamping groove, and the sealing element is sleeved on the clamping strip and is in interference fit with the clamping groove.

9. A temperature controlled food case/bag according to any one of claims 1 to 4 wherein the case/bag body is provided with a closure structure which opens or closes the food receiving area, the closure structure being provided with a second sealing means which seals the food receiving area.

10. The temperature controlled food box/bag according to any one of claims 1 to 4, further comprising at least one inner container, said inner container being provided with at least one food receiving cavity for receiving food.