CN220885228U - Insulation equipment for refrigerated diet - Google Patents

Abstract

The utility model discloses heat preservation equipment for refrigerated diet, which comprises a shell, wherein the outer surface of the upper end of the shell is in threaded connection with a sealing cover, the upper surface of the shell is fixedly connected with a sealing layer, the upper surface of the sealing layer is in contact with the inner wall of the sealing cover, the inner wall of the shell is fixedly connected with a first heat preservation layer, a second heat preservation layer and a third heat preservation layer from outside to inside, the inner wall of the third heat preservation layer is inserted into a first containing box distributed in a linear array, the heat preservation equipment for refrigerated diet realizes multistage heat preservation on foods in the first containing box and the second containing box through the cooperation of the first heat preservation layer, the second heat preservation layer, the third heat preservation layer and a heat preservation mechanism, keeps the temperature of the foods stable, and meanwhile, the refrigerating end of a semiconductor refrigerating chip generates cold air, and transmits cold energy to the inner wall of the shell, the first heat preservation layer, the second heat preservation layer and the third heat preservation layer through a heat preservation cavity, so that the influence of external heat on the foods is reduced, and a better heat preservation effect is provided.

Description

Insulation equipment for refrigerated diet

Technical Field

The utility model relates to the technical field of refrigerated meal heat preservation, in particular to heat preservation equipment for refrigerated meal.

Background

Meal refers to the general term of foods and beverages taken by people in one day, and aims to meet the requirements of human bodies on nutrients, including energy, protein, fat, carbohydrate, vitamins, minerals, fibers and the like, and in the open air or in traveling, in order to keep the food refrigerated, a heat preservation device for refrigerating the meal is generally adopted to keep the food refrigerated, wherein the heat preservation device is also called a heat preservation lunch box.

The existing heat preservation equipment for refrigerating meals has the following problems in actual use:

The heat preservation effect is not good: the existing heat preservation lunch box for cold-stored diet is difficult to keep the low temperature state of food, the food can be warmed after a period of time, and heat is easy to penetrate in from the external environment due to poor insulating property of the heat preservation lunch box, so that the food is deteriorated or is easy to be polluted by bacteria.

Disclosure of utility model

The utility model aims to provide a heat preservation device for refrigerated diet, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermal insulation equipment of cold-stored diet, includes the casing, the upper end surface threaded connection of casing has sealed lid, the upper surface fixedly connected with sealing layer of casing, the upper surface of sealing layer contacts with the inner wall of sealed lid, the inner wall of casing is from outside to inside fixedly connected with first heat preservation, second heat preservation and third heat preservation, the inner wall grafting of third heat preservation is the first holding box that the linear array distributes, the mounting groove that is the symmetric distribution is seted up to the upper surface of first holding box, the inner wall in mounting groove articulates through the round pin axle has the folded sheet, one side inner wall fixed mounting of mounting groove has the elastic layer, the lower surface fixedly connected with silica gel pad of folded sheet, the lower surface of silica gel pad contacts with the lower surface of first holding box, the inner roof grafting of third heat preservation has the second to hold the box, the upper surface of first heat preservation and second heat preservation all contacts with the lower surface of second holding box, the upper surface fixedly connected with handle of folded sheet;

The inside of casing is provided with heat preservation mechanism, and heat preservation mechanism includes heat preservation chamber and semiconductor refrigeration chip, the inside at the casing is seted up in the heat preservation chamber, semiconductor refrigeration chip fixed mounting is at the interior diapire in heat preservation chamber.

Preferably, the sealing layer is made of nitrile rubber, the first heat-insulating layer is made of polyhydroxyalkanoate, the second heat-insulating layer is made of nanocellulose, the third heat-insulating layer is made of wax phase-change material, and the elastic layer is made of butyl rubber.

Preferably, the heat preservation chamber is close to the interior bottom wall fixed mounting of semiconductor refrigeration chip below and has the heat dissipation case, the inside of heat dissipation case is provided with transformer oil, the inner wall fixedly connected with of heat dissipation case is the radiating rod of annular array distribution, the outer end of radiating rod runs through and extends to the upper surface of casing, the material of radiating rod is copper.

Preferably, the charging power supply is fixedly arranged on the lower surface of the shell, the lower surface of the charging power supply and the lower surface of the shell are positioned on the same horizontal plane, and the control switch and the charging port are respectively and fixedly arranged on the outer surface of the lower end of the shell.

Preferably, the control switch, the charging port and the semiconductor refrigeration chip are electrically connected with the charging power supply.

Compared with the prior art, the utility model has the beneficial effects that: this thermal insulation equipment of cold-stored diet, through the cooperation of first heat preservation, second heat preservation, third heat preservation and heat preservation mechanism, to the first food that holds in box and the second holding box that holds realizes multistage heat preservation, keep the temperature stability of food, simultaneously, the refrigeration end of semiconductor refrigeration chip produces air conditioning, through the inner wall, first heat preservation, second heat preservation and the third heat preservation that the heat preservation chamber will be cold energy transfer for the casing, realize reducing the influence of external heat to food, provide better heat preservation effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a housing structure of a thermal insulation device for refrigerated meals according to the present utility model;

fig. 3 is a cross-sectional view showing the structure of a first accommodating box of a heat preservation device for refrigerating meals according to the present utility model.

In the figure: 1. a housing; 2. sealing cover; 3. a sealing layer; 4. a first heat-retaining layer; 5. a second heat-insulating layer; 6. a third heat-insulating layer; 7. a first accommodation case; 8. a second accommodation case; 9. a folding plate; 10. an elastic layer; 11. a silica gel pad; 12. a handle; 13. a heat preservation cavity; 131. a heat radiation box; 132. a heat dissipation rod; 133. a charging power supply; 134. a control switch; 135. a charging port; 14. and a semiconductor refrigeration chip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a thermal insulation equipment of cold-stored diet, including casing 1, the upper end surface threaded connection of casing 1 has sealed lid 2, the upper surface fixedly connected with sealing layer 3 of casing 1, the upper surface of sealing layer 3 is with sealed lid 2's inner wall contact, through setting up sealed lid 2 and sealing layer 3, keep the contact surface between casing 1 and the holding box sealed, prevent the leakage of heat and the entering of outside air, the inner wall of casing 1 is from outside to inside fixedly connected with first heat preservation 4, second heat preservation 5 and third heat preservation 6 respectively, set up first heat preservation 4, second heat preservation 5 and third heat preservation 6, realize multistage heat preservation to the food that holds in the first holding box 7 and the second holding box 8, reduce the influence of outside heat to the food, thereby provide better heat preservation effect, the inner wall grafting of third heat preservation 6 is the first holding box 7 of linear array distribution, the upper surface of the first holding box 7 is provided with symmetrically distributed mounting grooves, the inner wall of each mounting groove is hinged with a folding plate 9 through a pin shaft, one side inner wall of each mounting groove is fixedly provided with an elastic layer 10, the lower surface of each folding plate 9 is fixedly connected with a silica gel pad 11, the lower surface of each silica gel pad 11 is contacted with the lower surface of the corresponding first holding box 7, the inner top wall of each third heat preservation 6 is inserted with a second holding box 8, the upper surfaces of each first heat preservation 4 and each second heat preservation 5 are contacted with the lower surface of each second holding box 8, the upper surfaces of each folding plate 9 are fixedly connected with a handle 12, the shell 1, the sealing cover 2, the first holding box 7, the second holding boxes 8 and the handles 12 are all made of 304 stainless steel, the stainless steel has good corrosion resistance and high temperature resistance, wherein 18 percent of chromium content and 8 percent of nickel content enable the stainless steel to have excellent oxidation resistance and acid resistance, is suitable for being in contact with most foods, and moreover, the first containing box 7 is conveniently taken out of the shell 1 through the cooperation of the folding plate 9 and the handle 12;

The inside of casing 1 is provided with heat preservation mechanism, and heat preservation mechanism includes heat preservation chamber 13 and semiconductor refrigeration chip 14, and heat preservation chamber 13 is seted up in the inside of casing 1, and semiconductor refrigeration chip 14 fixed mounting is at the interior diapire in heat preservation chamber 13.

Further, the material of sealing layer 3 is nitrile rubber, the material of first heat preservation 4 is polyhydroxyalkanoate, polyhydroxyalkanoate has good emulsifying property and moisturizing effect, can promote food taste and extension heat preservation time, the material of second heat preservation 5 is nanocellulose, nanocellulose has excellent heat preservation performance and thermal stability, can effectively delay heat transfer, provide long-time heat preservation effect, the material of third heat preservation 6 is wax phase change material, wax phase change material has efficient heat energy storage and release ability, can provide stable temperature control and long-time heat preservation effect, and first heat preservation 4, second heat preservation 5 and third heat preservation 6 all can not cause pollution to food or influence its quality and safety, the material of elastic layer 10 is butyl rubber.

Further, the heat preservation cavity 13 is close to the inner bottom wall below the semiconductor refrigeration chip 14 and fixedly provided with a heat dissipation box 131, transformer oil is arranged in the heat dissipation box 131, the inner wall of the heat dissipation box 131 is fixedly connected with heat dissipation rods 132 distributed in an annular array, the outer ends of the heat dissipation rods 132 penetrate through and extend to the upper surface of the shell 1, the heat dissipation rods 132 are made of copper, and heat dissipation is achieved to the heating end of the semiconductor refrigeration chip 14 through the cooperation of transformer oil in the heat dissipation box 131 and the heat dissipation rods 132.

Further, the charging power supply 133 is fixedly installed on the lower surface of the shell 1, the lower surface of the charging power supply 133 and the lower surface of the shell 1 are located on the same horizontal plane, the control switch 134 and the charging port 135 are fixedly installed on the outer surface of the lower end of the shell 1 respectively, the control switch 134 is pressed down, the refrigerating end of the semiconductor refrigerating chip 14 is controlled to generate cold air, the cold energy is transferred to the inner wall of the shell 1, the first heat preservation layer 4, the second heat preservation layer 5 and the third heat preservation layer 6 through the heat preservation cavity 13, the temperature of food in the first accommodating box 7 and the second accommodating box 8 is reduced, and the heat transfer effect is delayed.

Further, the control switch 134, the charging port 135, and the semiconductor refrigeration chip 14 are electrically connected to the charging power source 133.

This thermal insulation equipment of cold-stored diet, through the cooperation of first heat preservation 4, second heat preservation 5, third heat preservation 6 and heat preservation mechanism, to the first food that holds in box 7 and the second holding box 8 that holds realizes multistage heat preservation, keep the temperature stability of food, simultaneously, the refrigeration end of semiconductor refrigeration chip 14 produces air conditioning, through the inner wall of heat preservation 13 with cold energy transfer for casing 1, first heat preservation 4, second heat preservation 5 and third heat preservation 6, realize reducing external heat to the influence of food, provide better heat preservation effect.

Working principle: when the food storage box is used, different types of foods are stored in a classified mode through the first accommodating box 7 and the second accommodating box 8, the sealing cover 2 in threaded connection with the shell 1 is screwed off, the first accommodating box 7 and the second accommodating box 8 are sequentially placed into the shell 1, the folding plate 9 is arranged to seal the upper surface of the first accommodating box 7, after the placement is completed, the sealing cover 2 is screwed on, and the sealing is realized on the contact surface of the sealing cover 2 and the shell 1 through the sealing layer 3;

The first heat preservation layer 4, the second heat preservation layer 5 and the third heat preservation layer 6 are arranged, multistage heat preservation is achieved on foods stored in the first accommodating box 7 and the second accommodating box 8, the influence of external heat on the foods is reduced, a better heat preservation effect is achieved, the control switch 134 is pressed down, the refrigerating end of the semiconductor refrigerating chip 14 is controlled to generate cold air, the cold energy is transferred to the inner wall of the shell 1, the first heat preservation layer 4, the second heat preservation layer 5 and the third heat preservation layer 6 through the heat preservation cavity 13, the temperature of the foods in the first accommodating box 7 and the second accommodating box 8 is reduced, the heat transfer effect is delayed, and heat dissipation is achieved on the heating end of the semiconductor refrigerating chip 14 through the cooperation of the transformer oil in the heat dissipation box 131 and the heat dissipation rod 132.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A thermal insulation device for refrigerated meals, comprising a casing (1), characterized in that: the upper end outer surface of the shell (1) is in threaded connection with a sealing cover (2), the upper surface of the shell (1) is fixedly connected with a sealing layer (3), the upper surface of the sealing layer (3) is in contact with the inner wall of the sealing cover (2), the inner wall of the shell (1) is fixedly connected with a first heat preservation layer (4), a second heat preservation layer (5) and a third heat preservation layer (6) from outside to inside, the inner wall of the third heat preservation layer (6) is inserted with a first accommodating box (7) which is in linear array distribution, the upper surface of the first accommodating box (7) is provided with symmetrically distributed mounting grooves, the inner wall of each mounting groove is hinged with a folding plate (9) through a pin shaft, one side inner wall of each mounting groove is fixedly provided with an elastic layer (10), the lower surface of each folding plate (9) is fixedly connected with a silica gel pad (11), the lower surface of each silica gel pad (11) is in contact with the lower surface of the corresponding first accommodating box (7), the inner top wall of the third heat preservation layer (6) is inserted with a second accommodating box (8), and the upper surface of each first heat preservation layer (4) and the second heat preservation layer (5) are fixedly connected with the upper surface of the folding plate (12);

The inside of casing (1) is provided with heat preservation mechanism, and heat preservation mechanism includes heat preservation chamber (13) and semiconductor refrigeration chip (14), the inside at casing (1) is seted up in heat preservation chamber (13), the interior bottom wall in semiconductor refrigeration chip (14) fixed mounting heat preservation chamber (13).

2. A refrigerated meal holding apparatus as claimed in claim 1 wherein: the material of sealing layer (3) is nitrile rubber, the material of first heat preservation (4) is polyhydroxyalkanoate, the material of second heat preservation (5) is nanocellulose, the material of third heat preservation (6) is wax phase change material, the material of elastic layer (10) is butyl rubber.

3. A refrigerated meal holding apparatus as claimed in claim 1 wherein: the heat preservation chamber (13) is close to interior bottom wall fixed mounting of semiconductor refrigeration chip (14) below and has radiating box (131), the inside of radiating box (131) is provided with transformer oil, the inner wall fixedly connected with of radiating box (131) is annular array distribution's radiating rod (132), the outer end of radiating rod (132) runs through and extends to the upper surface of casing (1), the material of radiating rod (132) is copper.

4. A refrigerated meal holding apparatus according to claim 3 wherein: the charging device is characterized in that a charging power supply (133) is fixedly arranged on the lower surface of the shell (1), the lower surface of the charging power supply (133) and the lower surface of the shell (1) are located on the same horizontal plane, and a control switch (134) and a charging port (135) are respectively and fixedly arranged on the outer surface of the lower end of the shell (1).

5. A refrigerated meal insulation apparatus as claimed in claim 4 wherein: the control switch (134), the charging port (135) and the semiconductor refrigeration chip (14) are electrically connected with the charging power supply (133).