CN113320823A - Fast food bag capable of improving microwave heating uniformity - Google Patents
Fast food bag capable of improving microwave heating uniformity Download PDFInfo
- Publication number
- CN113320823A CN113320823A CN202110643062.4A CN202110643062A CN113320823A CN 113320823 A CN113320823 A CN 113320823A CN 202110643062 A CN202110643062 A CN 202110643062A CN 113320823 A CN113320823 A CN 113320823A
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- Prior art keywords
- heat conducting
- food
- uniformity
- improving
- microwave heating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/01—Ventilation or drainage of bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
- B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
- B65D81/3461—Flexible containers, e.g. bags, pouches, envelopes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Package Specialized In Special Use (AREA)
- Cookers (AREA)
Abstract
The invention discloses an instant bag capable of improving microwave heating uniformity, which comprises a body, a heat conduction part and a shielding strip, wherein the body is provided with a plurality of heat conduction holes; the body is of a bag-shaped structure and is used for hermetically containing food; the heat conducting parts are respectively arranged on the front end surface and the rear end surface of the body and are used for improving the heat conducting efficiency and the heat conducting uniformity; the heat conducting part comprises a plurality of heat conducting fins arranged in an array; the shielding strips are respectively arranged on two sides of the body and used for shielding electromagnetic waves on two sides of the body and preventing food on two sides in the body from being overheated. According to the invention, the heat-conducting fins distributed in the array of the heat-conducting parts are used for heating the low-temperature area deeper in the food, so that the lowest temperature of the food in the body is increased, the temperature difference of the food is reduced, the temperature distribution uniformity of the food is improved, and the food heated in the body has better taste and is more suitable for eating.
Description
Technical Field
The invention relates to the technical field of food packaging, in particular to an instant food bag capable of improving microwave heating uniformity.
Background
The microwave fast food product is developed in the 90 th of 20 th century and the 21 st century after the earliest appearance of China in the 60 th of 20 th century, and is deeply popular with consumers along with the continuous acceleration of the rhythm of life due to the characteristics of convenience and quickness, meanwhile, the living level of people is increasingly improved in recent years, and the consumer influences the market scale of the microwave convenient food on new product experience desire, personalized food demand, healthy eating idea and fragmentary eating time. Recently, in order to save the dining time, a great number of office workers choose to purchase instant products which can be subjected to microwave, such as boxed meals, rice balls and noodles, in supermarkets, and in addition to traditional products such as rice covered meals, noodles and rice balls, microwave instant products in various forms, such as instant popcorn, pizza and the like, are developed in recent years so as to meet the increasing consumption demands of consumers, and the market potential is huge. For microwave fast food products, consumers are more and more concerned about food safety and health, whether the nutrition collocation of the products is reasonable, whether the products are safe after being packaged and heated, whether the products are convenient to eat and the like while pursuing convenience and quickness, and the problems are all important factors considered when the consumers select the products.
Despite the enormous market share of microwave fast food products and the rapid development of microwave heating technology over the past few decades, non-uniform heating remains a major problem in the microwave processing. Mainly manifested by local overheating during the food heating process, thereby seriously affecting the product quality. Various studies at home and abroad show that the temperature distribution of microwave heating food is not uniform, and particularly for frozen products, because two links of unfreezing and heating exist, the phase change problem of solid and liquid forms exists, so that the system for heating frozen food is relatively more complex, and the phenomenon that partial regions are unfrozen and the temperature of partial regions is overhigh is very likely to occur. Because microwave food is abundant in variety and different in form, the product is often overheated at corners or too low in center temperature. According to research, the penetration capacity of microwaves in different media is different, but the composition of different foods is greatly different, and microwaves can only penetrate 8mm deep in foods, so that most microwave foods are difficult to heat sufficiently and uniformly. For the medium of food, the key parameters of the food such as dielectric constant, constant pressure heat capacity and the like are always changed along with the increase of temperature and the change of self water content in the microwave heating process, which also increases the difficulty of researching the uniformity problem of the microwave heating food.
The microwave food heating is uneven and can generate food safety problems, the food quality is influenced, in addition, the food heated by microwave cannot achieve the effects of browning and embrittlement on the surface of the food obtained by the traditional cooking, so that the food taste is influenced, the effects of color, fragrance and taste of the traditional cooking cannot be achieved, the experience feeling of consumers can be influenced, and the recognition degree of products in the consumers is reduced. In order to overcome the defects and shortcomings of microwave oven for heating food, in addition to the optimized design of the microwave oven, the more important method is to reasonably package the microwave food, so that the development of the microwave packaging industry can be certainly and greatly promoted by designing even a series of microwave packages.
Disclosure of Invention
The present invention is directed to an instant food bag capable of improving the uniformity of microwave heating to solve the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an instant bag capable of improving microwave heating uniformity, which comprises a body, a heat conduction part and a shielding strip, wherein the body is provided with a plurality of heat conduction holes;
the food container comprises a body, wherein the body is of a bag-shaped structure and is used for hermetically containing food;
the heat conducting parts are respectively arranged on the front end surface and the rear end surface of the body and are used for improving the heat conducting efficiency and the heat conducting uniformity;
the heat conducting part comprises a plurality of heat conducting fins arranged in an array;
and the shielding strips are respectively arranged on two sides of the body and used for shielding the electromagnetic waves on the two sides of the body and preventing the food on the two sides in the body from being overheated.
Preferably, the body includes a first body and a second body, the first body is fixedly connected to the second body, and the heat conducting fin is fixed between the first body and the second body.
Preferably, the shape of the heat conducting sheet is one of a circle, a square or a regular hexagon.
Preferably, when the heat conducting fins are circular, the diameter of each heat conducting fin is 4mm-10mm, and the center distance between every two adjacent heat conducting fins is 8mm-10 mm.
Preferably, when the heat conducting fins are square rows, the side length of each heat conducting fin is 3mm-6mm, and the center distance between two adjacent heat conducting fins is 8mm-10 mm.
Preferably, when the heat conducting fins are regular hexagons, the side length of each heat conducting fin is 2mm-5mm, and the center distance between two adjacent heat conducting fins is 6mm-8 mm.
Preferably, the arrangement mode of the heat conducting fins is a plugged arrangement.
Preferably, the shape of the shielding strip is rectangular.
Preferably, the two sides of the top of the body are provided with exhaust holes.
The invention discloses the following technical effects: the invention discloses an instant food bag for microwave heating, wherein heat conducting parts consisting of a plurality of heat conducting fins are arranged at two ends of a body, the heat conducting fins are arranged in an array mode, electromagnetic energy is converted into more heat through resonance and conversion of the heat conducting fins under the action of a magnetic field, the heat is conducted to a high-temperature area from a low-temperature area, the heat conducting fins further strengthen the electromagnetic energy and conduct the electromagnetic energy to a deeper position of food to heat the low-temperature area deeper in the food, the lowest temperature of the food in the body is improved, the temperature difference of the food is reduced, the temperature distribution uniformity of the food is improved, the taste of the food is better, and the instant food is more suitable for eating.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a three-dimensional view of a fast food bag of the present invention capable of improving microwave heating uniformity;
FIG. 2 is a front view of an instant food bag capable of improving microwave heating uniformity according to the present invention;
FIG. 3 is a schematic structural view of the main body of the present invention;
FIG. 4 is a three-dimensional view of embodiment 2 of the present invention;
FIG. 5 is a front view of embodiment 2 of the present invention;
the heat conducting plate comprises a body 1, a shielding strip 2, a heat conducting part 3, an exhaust hole 4, a first body 11, a second body 12 and a heat conducting sheet 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
Referring to fig. 1 to 3, the present invention provides an instant food bag capable of improving uniformity of microwave heating, comprising a body 1, a heat conduction part 3 and a shielding strip 2;
the food packaging box comprises a body 1, wherein the body 1 is of a bag-shaped structure and is used for containing food in a sealing mode, the food is placed into the body 1 after being cooked and is sealed, and the food is heated through a microwave oven when being eaten; the size of the body is 160mm in height and 170mm in width, wherein the sealing edges on two sides are respectively 10mm in width, the section of the body 1 is triangular, and the width of the bottom edge is 80 mm;
the heat conducting parts 3 are respectively arranged on the front end surface and the rear end surface of the body 1 and used for improving the heat conducting efficiency and the heat conducting uniformity; the heat conducting part 3 comprises a plurality of heat conducting fins 31 arranged in an array, and the heat conducting fins 31 are made of metal, specifically aluminum; the center of the heat conducting part 3 is arranged on the center line of the body 1, the height from the bottom surface of the body 1 is 50mm, namely the position with the lowest temperature when food in the body 1 is heated, and then the heat conducting part spreads to the periphery of the center;
the shielding strips 2 are respectively arranged on two sides of the body 1 and used for shielding electromagnetic waves on two sides of the body 1 and preventing food on two sides in the body 1 from being overheated, and the rectangular metal sheet of the shielding strips 2 is made of aluminum, has the size of 30mmX6mm and the thickness of 10 microns; the height of the bottom edge of the shielding strip 2 from the bottom surface of the body 1 is 45 mm.
In a further optimized scheme, the body 1 comprises a first body 11 and a second body 12, the first body 11 is fixedly connected with the second body 12, and the heat conducting fin 31 is fixed between the first body 11 and the second body 12; body 1 is the double-deck setting, and conducting strip 31 presss from both sides between two-layer, plays fixed conducting strip 31 position promptly, prevents the effect that the conducting strip 31 displacement influences the effect, prevents simultaneously that the conducting strip 31 from contacting the food in the body 1, arouses the health problem.
In a further optimized scheme, the shape of the heat conducting fin 31 is one of a circle, a square or a regular hexagon; when the heat conducting fins 31 are circular, the diameter of each heat conducting fin 31 is 4mm-10mm, and the center distance between two adjacent heat conducting fins 31 is 8mm-10 mm; when the heat conducting fins 31 are square, the side length of each heat conducting fin 31 is 3mm-6mm, and the center distance between two adjacent heat conducting fins 31 is 8mm-10 mm; when the heat conducting fins 31 are regular hexagons, the side length of each heat conducting fin 31 is 2mm-5mm, and the center distance between two adjacent heat conducting fins 31 is 6mm-8 mm; in the embodiment, the shape of the heat conducting fins 31 is selected to be circular, the diameter is 6mm, and the center distance between two adjacent heat conducting fins 31 is 8 mm.
In a further optimized scheme, the arrangement mode of the heat conducting fins 31 is in a plug-in arrangement, that is, other heat conducting fins 31 above or below the middle row of heat conducting fins 31 directly face the adjacent two holes of the middle row of heat conducting fins 31, and are arranged in a vertically staggered manner.
Further optimization scheme, exhaust hole 4 has been seted up to body 1's top both sides, and exhaust hole 4 communicates the inner chamber of body 1, and the two is sealed each other when not heating, and when heating, body 1's inner chamber pressure risees, communicates with exhaust hole 4 for the steam and the aqueous vapor of the interior food of discharge body 1 when heating prevent that body 1 from expanding to explode and split, and the size in exhaust hole is 4mmX2 mm's waist shape hole.
The using method comprises the following steps: the device is manufactured by using a production line, the heat conducting fins 31 are fixed between the first body 11 and the second body 12 in a spraying or pasting mode, the arrangement mode of the heat conducting fins 31 is that 13 heat conducting fins 31 are arranged in three rows according to the number of 4, 5 and 4, then the center 13 heat conducting fins 31 are used as the center, the heat conducting fins 31 are radially placed in 7 directions, 2 fins and 27 fins are placed in each direction, the temperature of the center region is further promoted to be increased by connecting the regions with higher temperature at the edges, and the center of the heat conducting part 3 is arranged in the region with the lowest temperature of the body 1.
Put into the inner chamber of body 1 after cooling the food that will make, then seal body 1, then offer exhaust hole 4 and be connected with the inner chamber of body 1, exhaust hole 4 communicates under the effect of pressure and aqueous vapor with the inner chamber of body 1 when guaranteeing to heat, pastes shielding strip 2 at the both sides of body 1 at last.
When the food is eaten, the body 1 with the food therein is placed in a microwave oven and is heated for 120-180 s, in the heating process, the heat conducting fins 31 of the heat conducting part 3 absorb electromagnetic waves in the microwave oven and conduct the electromagnetic waves to the deepest part of the food in the inner cavity of the body 1, the food at the deepest part is heated, the high-temperature area and the low-temperature area of the food in the body 1 are connected, heat is conducted to the low-temperature area, the lowest temperature of the food in the body is improved, the temperature difference of the food is reduced, the temperature distribution uniformity of the food is improved, the food heated in the body 1 has better taste and is more suitable for eating; the shielding strip 2 shields the electromagnetic wave under the absorption action of metal on the electromagnetic wave due to large area, and prevents the food which is distributed thinly on the edge of the body 1 from being burnt due to overheating.
Table 1 comparison of results of the prior art instant food pouch with example 1
As is clear from Table 1, in example 1, the average temperature was raised by 16.68 ℃ and the standard deviation of the temperature was lowered by 9.48, indicating that the heat-conductive portion 3 had a good temperature-raising effect.
Example 2
Referring to fig. 3-5, the present embodiment is different from embodiment 1 in that the arrangement of the heat-conducting portions 3 in the present embodiment is arranged in 4 rows distributed in the central low-temperature region by the number of 7, 6, and that 26 heat-conducting fins 31 are used in common to ensure structural symmetry; the arrangement structure of the heat conducting fins 31 in embodiment 1 is more in number of rows and more complex in structure, so that the production efficiency is easily reduced, the symmetrical arrangement of the embodiment is more beneficial to the industrial production and processing of the assembly line, and meanwhile, the number of the heat conducting fins 31 is less than that in embodiment 1, so that the production cost is reduced.
Table 2 comparison of results of the current instant food bag with example 2
As can be seen from table 2, in example 2, the average temperature is increased by 15.82 ℃, the standard deviation of the temperature is decreased by 11.1, and the heat-conducting sheet 31 of example 2 is distributed more densely, so that the continuity of the temperature distribution is better, and the temperature distribution of the whole food is more uniform.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. An instant food bag capable of improving uniformity of microwave heating, characterized in that: comprises a body (1), a heat conducting part (3) and a shielding strip (2);
the food container comprises a body (1), wherein the body (1) is of a bag-shaped structure and is used for hermetically containing food;
the heat conducting parts (3) are respectively arranged on the front end surface and the rear end surface of the body (1) and are used for improving the heat conducting efficiency and the heat conducting uniformity during heating;
the heat conducting part (3) comprises a plurality of heat conducting fins (31) arranged in an array;
the shielding strips (2) are respectively arranged on two sides of the body (1) and used for shielding electromagnetic waves on two sides of the body (1) and preventing food on two sides in the body (1) from being overheated.
2. An instant food bag capable of improving the uniformity of microwave heating according to claim 1, characterized in that: the body (1) comprises a first body (11) and a second body (12), the first body (11) is fixedly connected with the second body (12), and the heat conducting fin (31) is fixed between the first body (11) and the second body (12).
3. An instant food bag capable of improving the uniformity of microwave heating according to claim 1, characterized in that: the shape of the heat conducting sheet (31) is one of a circle, a square or a regular hexagon.
4. An instant food bag capable of improving the uniformity of microwave heating according to claim 3, characterized in that: when the heat conducting fins (31) are circular, the diameter of each heat conducting fin (31) is 4-10 mm, and the center distance between every two adjacent heat conducting fins (31) is 8-10 mm.
5. An instant food bag capable of improving the uniformity of microwave heating according to claim 3, characterized in that: when the heat conducting fins (31) are square, the side length of each heat conducting fin (31) is 3-6 mm, and the center distance between every two adjacent heat conducting fins (31) is 8-10 mm.
6. An instant food bag capable of improving the uniformity of microwave heating according to claim 3, characterized in that: when the heat conducting fins (31) are regular hexagons, the side length of each heat conducting fin (31) is 2-5 mm, and the center distance between every two adjacent heat conducting fins (31) is 6-8 mm.
7. An instant food bag capable of improving the uniformity of microwave heating according to claim 3, characterized in that: the arrangement mode of the heat conducting fins (31) is in a plugged arrangement.
8. An instant food bag capable of improving the uniformity of microwave heating according to claim 1, characterized in that: the shielding strip (2) is rectangular.
9. An instant food bag capable of improving the uniformity of microwave heating according to claim 1, characterized in that: exhaust holes (4) are formed in two sides of the top of the body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110643062.4A CN113320823A (en) | 2021-06-09 | 2021-06-09 | Fast food bag capable of improving microwave heating uniformity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110643062.4A CN113320823A (en) | 2021-06-09 | 2021-06-09 | Fast food bag capable of improving microwave heating uniformity |
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| Publication Number | Publication Date |
|---|---|
| CN113320823A true CN113320823A (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110643062.4A Pending CN113320823A (en) | 2021-06-09 | 2021-06-09 | Fast food bag capable of improving microwave heating uniformity |
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| CN (1) | CN113320823A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049637A (en) * | 1989-06-21 | 1991-03-06 | 黄金谷微波食品有限公司 | The metallization removal of metallic membrane |
| US5986248A (en) * | 1997-07-14 | 1999-11-16 | Snow Brand Milk Products Co., Ltd. | Food container for microwave heating or cooking |
| CN1288434A (en) * | 1998-01-20 | 2001-03-21 | 通用纺织公司 | Microwave food scorch shielding |
| CN201105866Y (en) * | 2007-05-14 | 2008-08-27 | 李维杨 | Microwave oven direct explosion heating food packaging bag |
| EP2284099A1 (en) * | 2005-05-25 | 2011-02-16 | Graphic Packaging International, Inc. | Microwave packaging for multi-component meals |
| CN202439926U (en) * | 2012-02-28 | 2012-09-19 | 刘兵 | Microwave popcorn paper bag |
| CN103693296A (en) * | 2012-09-27 | 2014-04-02 | 东洋铝株式会社 | Foodstuffs storage objects |
| CN104302558A (en) * | 2012-03-12 | 2015-01-21 | 科南市场营销私人有限公司 | Packaging having field modifiers for improved microwave heating of cone-shaped products |
| CN212710709U (en) * | 2020-07-17 | 2021-03-16 | 壹贰叁包装有限公司 | Steam bag for heating microwave oven |
-
2021
- 2021-06-09 CN CN202110643062.4A patent/CN113320823A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049637A (en) * | 1989-06-21 | 1991-03-06 | 黄金谷微波食品有限公司 | The metallization removal of metallic membrane |
| US5986248A (en) * | 1997-07-14 | 1999-11-16 | Snow Brand Milk Products Co., Ltd. | Food container for microwave heating or cooking |
| CN1288434A (en) * | 1998-01-20 | 2001-03-21 | 通用纺织公司 | Microwave food scorch shielding |
| EP2284099A1 (en) * | 2005-05-25 | 2011-02-16 | Graphic Packaging International, Inc. | Microwave packaging for multi-component meals |
| CN201105866Y (en) * | 2007-05-14 | 2008-08-27 | 李维杨 | Microwave oven direct explosion heating food packaging bag |
| CN202439926U (en) * | 2012-02-28 | 2012-09-19 | 刘兵 | Microwave popcorn paper bag |
| CN104302558A (en) * | 2012-03-12 | 2015-01-21 | 科南市场营销私人有限公司 | Packaging having field modifiers for improved microwave heating of cone-shaped products |
| CN103693296A (en) * | 2012-09-27 | 2014-04-02 | 东洋铝株式会社 | Foodstuffs storage objects |
| CN212710709U (en) * | 2020-07-17 | 2021-03-16 | 壹贰叁包装有限公司 | Steam bag for heating microwave oven |
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Application publication date: 20210831 |
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