CN107048655B

CN107048655B - Non-transformer repeats lunch box capable of heating

Info

Publication number: CN107048655B
Application number: CN201710293830.1A
Authority: CN
Inventors: 林昌坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-28
Filing date: 2017-04-28
Publication date: 2019-05-03
Anticipated expiration: 2037-04-28
Also published as: CN107048655A

Abstract

The invention discloses a kind of non-transformers to repeat lunch box capable of heating, including shell, cutlery box component and heating component；Cutlery box component includes box body and box cover；The bottom wall of box body is single layer aluminum design, and side wall is double-layer aluminum hollow structure, and at least part of side wall extends downward beyond bottom wall and formed beyond part and complement each other to form cyclic convex edge beyond part；Heating component includes starting module and heating module；Heating module is installed in the cyclic convex edge and is in contact with the bottom wall of box body；The heating module includes hermetic bag, which is made of polyester film, aluminium foil layer and the compound material of tinfoil paper layer, in be equipped with supersaturated sodium acetate solution and shape memory alloy；Shape memory alloy and shape memory alloy deformation are squeezed by starting module, to cause supersaturated sodium acetate solution phase transformation heat release in hermetic bag, to realize the heating to food in box body.Non-transformer of the invention repeats lunch box capable of heating, has easy to carry, heating efficiency height, the advantages of can recycling.

Description

Non-transformer repeats lunch box capable of heating

Technical field

The invention belongs to lunch box capable of heating technical fields, and in particular to a kind of repeatable lunch box capable of heating of non-transformer.

Background technique

In many poverty-stricken areas in China, children go to school to be needed to cross over mountain after mountain mostly, is trudged several kilometers, noon can not It can go home in a hurry and have a meal, and school often lacks the condition in construction dining room, can not also provide heating and heat-preserving equipment, therefore even if Children go to school with lunch, can not also be able to eat warm lunch.Many children generate since chronic dietary is irregular, unhealthy The problems such as anorexia, nutritional deficiency, seriously affect the healthy growth of children.In addition, in numerous office workers, there is also Outside is had a meal unhealthy, and included lunch is inconvenient to the problem of heating.Although have now much can lunch box capable of heating, such as common plug-in Formula lunch box, USB charging heating lunch box, there are also some self-heating instant-rices etc. that aquatic pyrogen reason is met using quick lime, but this A little products or at high cost, or have many requirements such as power supply to use environment, or can only be disposable, it is unsuitable for mountain The children in area use.

Summary of the invention

It is an object of the invention in place of overcome the deficiencies in the prior art, provide a kind of repeatable heating pad of non-transformer Box has easy to carry, heating efficiency height, the advantages of can recycling.

The technical solution adopted by the present invention to solve the technical problems is:

A kind of repeatable lunch box capable of heating of non-transformer, including shell；It further include cutlery box component and the heating group set inside the shell Part；

The cutlery box component include at least one box body and with box body box cover equal in number；The bottom wall of the box body is single layer Aluminum design, the side wall of box body are double-layer aluminum hollow structure, at least part of side wall extend downward beyond bottom wall formed it is super Part out, and the part that exceeds of at least one box body complements each other to form a loop convex edge；The box cover dismantledly seals Lid is connected to the opening of box body；

The heating component includes starting module and heating module；The starting module is set on the shell；The heating module is suitable With being installed in the cyclic convex edge and be in contact with the bottom wall of box body；The heating module includes hermetic bag, which is multiple Condensation material is made, including the polyester film, aluminium foil layer and tinfoil paper layer overlapped together from outside to inside；It was filled in the hermetic bag Saturated acetic acid sodium solution；It is fixedly provided with shape memory alloy in the hermetic bag, which is immersed in the supersaturated sodium acetate In solution and its position is corresponding with the starting module；Shape memory alloy and shape memory alloy shape are squeezed by starting module Become, to cause supersaturated sodium acetate solution phase transformation heat release in hermetic bag, to realize the heating to box body content.

The bottom wall of box body is single layer aluminum design, and side wall is double-layer aluminum hollow structure, and at least part of side wall is downward It extends beyond bottom wall to be formed beyond part, and the part that exceeds of box body complements each other to form a loop convex edge, this box body knot Structure has the advantage that bottom wall is directly contacted with heating module, and aluminum material thermal conductivity is good, and the aluminum design bottom wall of single layer can be fast Speed transfers heat to food.And cyclic convex edge is double-layer aluminum hollow structure, heat-proof quality is good, and cyclic convex edge is looped around heating Module surrounding, the heat that can prevent heating module from generating are spread from surrounding, guarantee that most heats can only be by single layer aluminum The bottom wall of structure is conducted into food, realizes the rapidly and efficiently precisely heating to food；Meanwhile when needing hand to take box body, hand Cyclic convex edge can be directly buttressed, bottom wall is avoided direct contact with and causes to scald.In addition, the sidewall sections on bottom wall are also double-deck Aluminum hollow structure can receive the auxiliary that a part of heat that bottom wall conduction comes carries out side to food and be evenly heated, but more More is to realize incubation and thermal insulation function using its double-layer aluminum hollow structure, is continuously circulated heat in food and is not easy to leak, Heating is more evenly abundant, can also prevent the too fast cooling of food after being heated.Box body combination sealing effect is good, has certain heat-insulated effect The box cover of fruit promotes heating effect.Meanwhile the shell made of PP material also can prevent heat from heated mould during heating The bottom of block is lost, moreover it is possible to prevent a small amount of heat given out around box body from releasing lunch box, shell is matched with box body, into one Step guarantees that heat in lunch box internal flow, promotes food heating effect.

Hermetic bag is made of 3-layer composite material, which includes the polyester film overlapped together from outside to inside Layer, aluminium foil layer and tinfoil paper layer；Internal tinfoil paper layer property is stablized, and directly contacts and will not be corroded with the sodium acetate of alkalinity, It can prevent hermetic bag from revealing；Intermediate aluminium foil layer good heat conduction effect；The polyester film of outer layer plays protection and conductive force, high temperature It is also hardly damaged when boiling, hermetic bag is further prevented to reveal, improved service life and safety.

Shape memory alloy has shape memory function, after extrusion and during sodium acetate crystallization, due to Temperature is lower (about 50~60 DEG C), temperature higher (about 100 DEG C of left sides when can continue the state for keeping deformation, and boil in boiling water It is right) original straight sheet can be restored.Memorial alloy property is stablized, thus can be reused several times, not vulnerable.

In one embodiment: the box body is at least two, and at least two box body adaptation is stitched together；In each box body In addition to the side wall matched with other box bodys, remaining side wall extends downward beyond bottom wall and is formed described beyond part, and this is extremely Few two box bodys complement each other to form the cyclic convex edge beyond part.

In one embodiment: the box cover periphery is equipped with sealing ring.

In one embodiment: the cutlery box component further includes tableware, and the outer casing inner wall is additionally provided with the meal for being clamped tableware Has slot.

In one embodiment: the tableware is meal spoon.

In one embodiment: the starting module includes button, return springs and extrusion；The button is located on the shell And be connected with extrusion, which is located in shell and abuts against with the shape memory alloy；The return springs one end with Button is connected, and the other end is connected with shell.

In one embodiment: the shell includes upper housing and lower case, which is equipped at least two can be opposite The lug that upper housing rotates upward or downward is equipped with fastener at least two lug；The lower case outer wall is equipped at least two A protrusion corresponding with lug position；The fastener is adapted to clamping with the protrusion to realize the fastening of upper housing and lower case.

In one embodiment: the shell is made of PP material.

In one embodiment: the box cover is made of PBT material.

In one embodiment: supersaturated solution made of filling 90~110g sodium acetate in the heating module, it can be by box Intracorporal 200~250g food is uniformly heated to 40~50 DEG C.

The technical program compared with the background art, it has the following advantages:

1. in lunch box of the invention, box body structure can be heated food since bottom, realize from bottom to top quick High-efficiency heating, and the cyclic convex edge of box body bottom has heat insulating function, guarantees that the even heat of heating module is effectively transmitted to Food, box body top surrounding also have heat insulating function, prevent heat loss, make heat flowing conduction back and forth inside food, add Heat is more evenly abundant, reduces the cooling speed of food, will not there is a situation where foods to be difficult to heat penetration.And aluminum box body will not be because It heats and releases toxic component influence food quality, use is healthier.

2 heating module heating effects of the invention are good, repeated multiple times can use, and utilization rate is high, and safety is good, and are independent Structure, can individually take out, it is easy to use, even if damage can also replace at any time, extend the service life of lunch box.

3. the present invention is used as pyrotoxin using supersaturated sodium acetate solution, without external power supply, and with common iron powder, carbon The materials such as sour calcium are compared, and supersaturated sodium acetate solution is not only energy-efficient in use, and reusable, at low cost It is honest and clean.Non-transformer of the invention repeats lunch box capable of heating cost less than ten yuan.

4. the repeatable lunch box capable of heating use scope of non-transformer of the invention is wide, in addition to mountain area child, the crowds such as office worker It can be used.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is that non-transformer of the invention repeats lunch box capable of heating overall appearance schematic diagram.

Fig. 2 is that non-transformer of the invention repeats lunch box capable of heating perspective exploded view.

Fig. 3 is heating module schematic cross-section of the invention.

Fig. 4 is box body and the mutually matched schematic diagram of heating module of the invention.

Appended drawing reference:

Shell 10；Upper housing 11, lug 111, tableware slot 112；Lower case 12, protrusion 121, mounting hole 122；

Cutlery box component 20；Box body 21, bottom wall 211, side wall 212, cyclic convex edge 213；Box cover 22；Tableware 23；

Heating component 30；Starting module 31, button 311, reset spring 312, extrusion 313；Heating module 32, hermetic bag 321, polyester film 3211, aluminium foil layer 3212, tinfoil paper layer 3213；Supersaturated sodium acetate solution 322；Shape memory alloy 323.

Specific embodiment

The contents of the present invention are illustrated below by embodiment:

Please refer to Fig. 1 to Fig. 4, a kind of repeatable lunch box capable of heating of non-transformer, including shell 10 and the meal being located in shell 10 Case assembly 20 and heating component 30；

The shell 10 is made of PP (polypropylene) material, including upper housing 11 and lower case 12,11 outer wall of upper housing If two lugs 111 can rotate upward or downward relative to upper housing 11, this two there are two the lug 111 of symmetrical arrangement Fastener is equipped on a lug 111；12 outer wall of lower case is set there are two corresponding with 111 position of lug raised 121；The card Part is adapted to the fastening being clamped to realize upper housing 11 Yu lower case 12 with the protrusion 121.

The cutlery box component 20 includes box body 21, box cover 22 and tableware 23.The box body 21 is two, two 21 phases of box body It is mutually independently stitched together, food can be separated and hold and eat.The bottom wall 211 of box body 21 is single layer aluminum design, side wall 212 be double-layer aluminum hollow structure, in each box body 21, in addition to the side wall 212 matched with another box body 21, and remaining side wall 212, which extend downward beyond bottom wall 211, forms beyond part, and when two box bodys 21 are stitched together its beyond part mutually Cooperatively form a loop convex edge 213.With two box bodys 21 correspondingly, box cover 22 also be two, box cover 22 is by meeting food PBT (polybutylene terephthalate (PBT)) material of safety requirements is made, and periphery is equipped with silica gel sealing ring, two box covers 22 Dismantledly sealing cover is connected to the openings (being formed by box side wall top ora terminalis) of two box bodys 21 respectively, prevents food from mutually mixing. Tableware 23 is, for example, meal spoon, corresponds ground, tableware slot 112 is additionally provided in 11 inner wall of upper housing of shell 10, for being clamped Meal spoon is placed, it is convenient and healthy.

The heating component 30 includes starting module 31 and heating module 32.The starting module 31 includes button 311, resets Spring 312 and extrusion 313；The lower case 12 is equipped with the mounting hole 122 for installing starting module 31；The button 311 are actively installed at mounting hole 122；312 one end of reset spring is connected with button 311, and the other end is fixed in lower case 12 122 hole wall of mounting hole；Extrusion 313 is located in lower case 12 and is connected with button 311.Further, button 311 and squeeze It can be connected by a connecting rod between casting die 313, which is socketed in the connecting rod, and one end and 311 phase of button are solid It connects, the other end and 122 hole wall Joint of mounting hole.In this way, button 311 can drive extrusion 313 to move after pressing, release button Button can reset under the effect of reset spring 312 after 311.The heating module 32 adaptation be connected in the cyclic convex edge 213 and It is in contact with the bottom wall 211 of box body 21；The heating module 32 includes hermetic bag 321, which is made of composite material, The composite material includes polyester (polyethylene terephthalate, the PET) film layer 3211, aluminium foil layer overlapped together from outside to inside 3212 and tinfoil paper layer 3213；Supersaturated sodium acetate solution 322 is filled in the hermetic bag 321；It is fixedly provided in the hermetic bag 321 The shape memory alloy 323 of straight sheet with shape memory function, it is molten which is immersed in supersaturated sodium acetate In liquid 322, and the position of shape memory alloy 323 abutting corresponding with the extrusion 313 of the starting module 31.

Lunch box actual use mode of the invention is as follows:

Food is placed in box body 21, covers box cover 22, heating module card 32 is connect in 21 bottom annular convex edge of box body It in 213, is put into lower case 12, then fastens upper housing 11 and lower case 12, can freely carry.When needing to eat, pressing is opened The button 311 of dynamic model block 31, inwardly movement drives extrusion 313 inwardly to squeeze shape memory alloy 323, memorial alloy to button 311 Bending deformation after piece 323 is pressurized, generates friction, and supersaturated sodium acetate solution 322 forms small crystalline substance on 323 surface of shape memory alloy Core then mushrooms out crystallization, generates crystallization phase transformation, and a large amount of heat is released in phase transition process, and heat is conducted extremely by box body 21 Food, to be heated to food in box body 21.After food is edible, heating module 32 is taken out, is placed in boiling water and boils 3 ~5 minutes, the sodium acetate of crystallization can revert to supersaturated sodium acetate solution 322 again, and shape memory alloy 323 also restores at high temperature Straight sheet.Then heating module 32 to be put back in lunch box, button 311 has also resetted under the action of reset spring 312, thus The recycling of heating component 30 can be achieved.

Among the present embodiment, the amount of supersaturated sodium acetate solution 322 can be according to lunch box size and the meal of required heating Dish amount size is formulated.For example, being 16 × 8 × 10cm, the case where box body 21 can about accommodate 200~250g food in lunch box size Under, supersaturated solution made of the sodium acetate of filling 100g or so can meet demand for heat in heating module 32, can be by meal Dish is uniformly heated to 40~50 DEG C, just meets feed and requires, will not scald.

Certainly, it box body 21 and is not limited to this embodiment, according to the size of lunch box and the demand of different crowd, box body 21 Quantity can be set to one, three, four or more, dish can be classified, correspondingly, box cover 22 also can be set to One, three, four or more.In the case where only one box body 21,212 wall of side of box body 21 is extended downward beyond Bottom wall 211 exceeds part described in being formed, and should can form loop convex edge 213 in itself beyond part.Only one In the case where a box body 21, one, two or more separator can be set in box body 21, two will be divided into box body 21 A, three or more regions, for classifying dish.Certainly, in the case where multiple box bodys 21 in can also be at any one Or the similar separator of setting in multiple box bodys 21.Meanwhile the periphery of cyclic convex edge 213 may also be configured to throat structure, it is convenient The fixed clamping of heating module 32.

As needed, lunch box shell 10 of the invention can be set to rectangular, round, oval, irregular shape etc., in Box body 21, box cover 22 and heating module 32 shape can correspondingly adjust setting.The material of shell 10 and box cover 22 can root According to needing to change, as long as meeting the relevant regulations of food safety.In addition, tableware 23 or chopsticks, fork etc., accordingly In 11 inner wall of upper housing, chopsticks slot, fork slot etc. are set, the different living habits of different users can be coped with.In addition, It is three, four or more that the quantity of lug 111 and protrusion 121 in upper housing 11 and lower case 12 is also adjustable, on Shell 11 and lower case 12 can also be used other conventional modes of this field and carry out fastening attaching, and be not limited to this embodiment.

The above is only the preferred embodiment of the present invention, the range implemented of the present invention that therefore, it cannot be limited according to, i.e., according to Equivalent changes and modifications made by the invention patent range and description, should still be within the scope of the present invention.

Claims

1. a kind of non-transformer repeats lunch box capable of heating, including shell；It is characterized by also including the cutlery box components set inside the shell And heating component；

The cutlery box component include at least one box body and with box body box cover equal in number；The bottom wall of the box body is single layer aluminum Structure transfers heat to food；The side wall of box body is double-layer aluminum hollow structure, side heat, insulation；At least partly The side wall extend downward beyond bottom wall and formed beyond part, and at least one box body complements each other to form one beyond part Loop convex edge, the heat for preventing heating module from generating are spread from surrounding, guarantee that heat is conducted by the bottom wall of single layer aluminum design Into food；Dismantledly sealing cover is connected to the opening of box body to the box cover；

The heating component includes starting module and heating module；The starting module is set on the shell；Heating module adaptation dress It connects in the cyclic convex edge and is in contact with the bottom wall of box body；The heating module includes hermetic bag, which is composite wood Material is made, including the polyester film, aluminium foil layer and tinfoil paper layer overlapped together from outside to inside；Filled with supersaturation in the hermetic bag Sodium acetate solution；It is fixedly provided with shape memory alloy in the hermetic bag, which is immersed in the supersaturated sodium acetate solution In and its position it is corresponding with the starting module；The starting module includes button, return springs and extrusion；The button It is located on the shell and is connected with extrusion, which is located in shell and abuts against with the shape memory alloy；The reset bullet Property part one end is connected with button, and the other end is connected with shell；Shape memory alloy and shape memory alloy shape are squeezed by starting module Become, to cause supersaturated sodium acetate solution phase transformation heat release in hermetic bag, to realize the heating to box body content；The heating Supersaturated solution made of filling 90~110g sodium acetate, the intracorporal 200~250g food of box can be evenly heated in module To 40~50 DEG C.

2. non-transformer according to claim 1 repeats lunch box capable of heating, it is characterised in that: the box body is at least two, At least two box body adaptation is stitched together；In each box body in addition to the side wall matched with other box bodys, remaining side wall is equal It extends downward beyond bottom wall and is formed described beyond part, and at least two box body complements each other to form the ring beyond part Shape convex edge.

3. non-transformer according to claim 1 repeats lunch box capable of heating, it is characterised in that: the box cover periphery is equipped with sealing Circle.

4. non-transformer according to claim 1 repeats lunch box capable of heating, it is characterised in that: the cutlery box component further includes meal Tool, the outer casing inner wall are additionally provided with the tableware slot for being clamped tableware.

5. non-transformer according to claim 4 repeats lunch box capable of heating, it is characterised in that: the tableware is meal spoon.

6. non-transformer according to claim 1 repeats lunch box capable of heating, it is characterised in that: the shell include upper housing with Lower case, which is equipped at least two can be relative to the lug that upper housing rotates upward or downward, this is at least two convex Fastener is equipped on ear；The lower case outer wall is equipped at least two protrusions corresponding with lug position；The fastener and the protrusion Adaptation is clamped the fastening to realize upper housing and lower case.

7. non-transformer according to claim 1 repeats lunch box capable of heating, it is characterised in that: the shell is by PP material system At.

8. non-transformer according to claim 1 repeats lunch box capable of heating, it is characterised in that: the box cover is by PBT material system At.