CN209910233U

CN209910233U - Totally-enclosed cold-storage heat-insulation flexible fresh-freezing bag

Info

Publication number: CN209910233U
Application number: CN201920393850.0U
Authority: CN
Inventors: 孙钦; 董凯军
Original assignee: Guangzhou Institute of Energy Conversion of CAS
Current assignee: Guangzhou Institute of Energy Conversion of CAS
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-01-07
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a totally closed cold-storage flexible icy bright bag that insulates against heat, including the bag body, seal port, the seal port set up in bag edge, seal port and the internal inner chamber that holds the object that forms of bag, the bag body is by outer packing layer, flexible insulating layer and the flexible cold-storage layer that is equipped with dampproofing heat-proof function in proper order to interior, outer packing layer with flexible insulating layer bonds as an organic wholely, and detachably parcel is in flexible cold-storage layer periphery, flexible cold-storage layer make for flexible material be separated for a plurality of parallel spaces in band gap, are filled with phase transition cold-storage material in the parallel space, are used for maintaining the cold bright save of low temperature of interior intracavity goods, outer packing layer have block ultraviolet ray, dampproofing thermal-insulated effect, the seal port set up in bag edge for business turn over goods and. The utility model discloses bag body compliance is good, the heat insulating ability is good, the temperature uniformity is strong, can effectively prolong the bright goods shelf life, wraps up the whole parcel of goods in the low temperature constant temperature space, avoids the emergence of the damaged phenomenon of local rotten damage.

Description

Totally-enclosed cold-storage heat-insulation flexible fresh-freezing bag

Technical Field

The utility model relates to a cold chain warehousing and transportation field, concretely relates to totally closed cold-storage flexible icy bright bag that insulates against heat.

Background

The frozen and refrigerated mode of the agricultural products can be divided into four types according to the preservation temperature, namely fresh keeping (2 ~ ℃), cold keeping (-10 ~ -18 ℃), freezing (-20 ~ -45 ℃), wherein the cold preservation can maintain the optimal quality of the fresh products, the shelf life can be maintained for 10 ~ days, and the frozen and refrigerated mode is the best choice for short-term preservation of the fresh agricultural products at present.

Disclosure of Invention

An object of the utility model is to solve the not enough of prior art existence, provide a totally closed cold-storage flexible ice bright bag that insulates against heat, compliance is high, the laminating nature is strong, keep warm for a long time and portable.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a totally closed cold-storage flexible icy bright bag that insulates against heat, includes the bag body 1, sealing opening 3 set up in the inner chamber that holds the object, its characterized in that are formed in the sealing opening 3 and the bag body 1 edge of the bag body: the bag body 1 is sequentially provided with an outer packaging layer 101, a flexible heat insulation layer 102 and a flexible cold accumulation layer 103 with the functions of moisture prevention and heat insulation from outside to inside, the outer packaging layer 101 and the flexible heat insulation layer 102 are bonded into a whole, and the flexible cold accumulation layer 103 is wrapped on the periphery in a detachable mode. When cold accumulation and temperature reduction are needed, the flexible cold accumulation layer 103 and the outer packaging layer 101 and the flexible heat insulation layer 102 which are integrally bonded are separated through the concave-convex bone, and the heat insulation effect of the flexible heat insulation layer 102 leads to the extension of the cold accumulation time of the flexible cold accumulation layer 103. The flexible cold-storage layer 103 of the bag body 1 is separated into ice slurry/solid ice spaces with a plurality of interstitial parallel spaces, so that the bag body 1 per se has certain flexibility, and meanwhile, the ice water layering phenomenon is reduced to a certain extent, and the bag has better wrapping property compared with a conventional ice bag, the temperature uniformity of the bag body 1 is high, goods are wrapped in the bag, local freezing points and rotting points of fresh goods are not easy to make, and meanwhile, the bag is convenient to manufacture and inject.

Further, the flexible cold accumulation layer 103 is made of a flexible material and is divided into a plurality of parallel spaces with gaps, and phase change cold accumulation materials are filled in the parallel spaces.

Further, the cross section in parallel space is rectangle, triangle-shaped or hemisphere, the material in a plurality of parallel spaces is the PE plastic film, can be solid ice or ice slurry after the phase transition cold storage material cooling cold-storage, has effectively prevented the emergence of the large tracts of land layering phenomenon that arouses because the heat absorption phase transition in the flexible cold-storage layer guarantees the homogeneity of bag body bulk temperature improves simultaneously the flexibility of the ice bright bag body.

Further, in order to obtain a lower freezing point temperature, a medium for lowering the freezing point is added in the flexible cold storage layer 103, and in order to prevent the phase change material in the flexible cold storage layer 103 from breaking the package of the flexible cold storage layer 103 due to the increase of the volume caused by freezing, the liquid injection amount of the phase change cold storage material in the single parallel space of the flexible cold storage layer 103 is not higher than 90% of the original volume.

Further, the outer packaging layer 101 is made of an aluminum-plated film with moisture-proof and heat-insulating functions, and has the moisture-proof and heat-insulating functions.

Further, the flexible thermal insulation layer 102 is composed of a single layer or multiple layers of bubble films, and has a function of blocking heat conduction in the inner space and the outer space of the bag body.

Further, a portable hand strap 2 is arranged outside the outer packaging layer 101 of the bag body; the sealing opening 3 is provided with a clamp chain 301, a sealing clamp 302 is arranged on the clamp chain 301, and the clamp chain 301 and the sealing clamp 302 are buckled to form the clamp chain type sealing opening 3.

Furthermore, the outer packaging layer 101, the flexible heat insulation layer 102 and the flexible cold storage layer 103 are bonded into a whole, and are of an integrated packaging and molding structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the totally closed cold-storage heat-insulation flexible fresh ice bag is simple in structure, the thickness of the bag body 1 can be selected according to the storage time, and the portable handheld belt 2 is arranged, so that the portable fresh ice bag provides a portable fresh ice package for customers and distribution personnel, and the problem of storage of the fresh ice bag in the last kilometer is effectively solved.

2. The flexible cold accumulation layer 103 of the bag body is separated into a plurality of ice slurry/solid ice spaces with gaps, so that the bag body 1 per se has certain flexibility, and meanwhile, the ice water layering phenomenon is reduced to a certain extent.

3. The cold insulation time of the ice fresh bag can be effectively prolonged by the arrangement that the outer packaging layer 101 is used for preventing radiation heat and the flexible heat insulation layer 102 is used for reducing heat conduction and the low-temperature cold insulation of the flexible cold storage layer 103, the nitrogen gas is filled in the inner cavity 5 to play a role in gas regulation, and the quality guarantee period of goods is prolonged.

Drawings

FIG. 1 is a schematic view of a totally-enclosed cold-storage and heat-insulation flexible fresh ice bag of the present invention;

FIG. 2 is a schematic cross-sectional view of a totally-enclosed cold-storage and heat-insulation flexible fresh ice bag of the present invention;

FIG. 3 is a schematic view of a single-layer bubble film bag body structure of a totally-enclosed cold-storage and heat-insulation flexible fresh ice bag of the present invention;

FIG. 4 is a schematic view of the structure of the multi-layer bubble film bag body of the totally-enclosed cold-storage and heat-insulation flexible fresh ice bag of the present invention;

in the figure: 1-bag body; 101-an outer packaging layer; 102-a flexible thermal insulation layer; 103-a flexible cold accumulation layer; 2-portable hand-held belt; 3-sealing the opening; 301-clip chain; 302-sealing clamp; 4-concavo-convex bone; 5-inner cavity.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, a totally closed cold accumulation thermal insulation flexible fresh ice bag, including the bag body 1, sealing opening 3 set up in bag body 1 edge, sealing opening 3 and the internal cavity 5 that forms one and hold the object in the bag body 1, bag body 1 is by outer extranal outer wrapping 101, flexible thermal-protective layer 102 and the flexible cold accumulation layer 103 that is equipped with dampproofing thermal-protective function in proper order to interior, usually in order to reduce the influence of flexible thermal-protective layer 102 to flexible cold accumulation layer 103 cold-storage time in cold accumulation cooling process, with outer wrapping 101 with flexible thermal-protective layer 102 bonds as an organic wholely, detachably parcel is in flexible cold accumulation layer 103 is peripheral, fixes at flexible cold accumulation layer periphery through concave-convex bone 4, realizes the separation of flexible cold accumulation layer 103 and flexible thermal-protective layer 102 through concave-convex bone 4 when flexible cold accumulation layer 103 cold. Aiming at some special application occasions, when goods are produced in a production workshop, namely the bag body 1 and the goods are integrally packaged, the concave-convex ribs 4 can be omitted, and the outer packaging layer 101, the flexible heat insulation layer 102 and the flexible cold accumulation layer 103 are directly bonded into a whole. The portable hand strap 2 is arranged on the outer packaging layer. The sealing port 3 is composed of a clip chain 301 and a sealing clip 302, and is used for goods entering and exiting and sealing. The inner cavity 5 is generally air, and if higher requirements on the quality guarantee period and the occasional quality of the product are met, nitrogen can be introduced into the inner cavity 5 to play a certain role in air conditioning, so that the quality guarantee period of the product is prolonged.

As shown in fig. 2, a cross-sectional view of a totally-enclosed cold-storage and heat-insulation flexible fresh ice bag, an outer packaging layer 101 disposed at the outermost layer has the functions of blocking ultraviolet rays, preventing moisture and insulating heat, and is generally an aluminum-plated film; the flexible heat insulation layer 102 is formed by a bubble film, the flexible heat insulation layer 102 is a single-layer bubble film as shown in fig. 3, and the flexible heat insulation layer 102 is a multi-layer bubble film as shown in fig. 4; the flexible cold accumulation layer 103 is divided into a plurality of parallel spaces with gaps, and the parallel spaces can be rectangular, triangular or hemispherical as shown in fig. 3 and 4, so that the phenomenon of large-area layering caused by heat absorption phase change in the flexible cold accumulation layer 103 is effectively prevented, the uniformity of the whole temperature of the bag body is ensured, and the flexibility of the ice fresh bag body is improved; phase change cold storage materials are arranged in a plurality of parallel spaces of the flexible cold storage layer 103, solid ice or ice slurry can be formed after cooling and cold storage, and sometimes in order to meet the requirement of lower fresh temperature, freezing point reducing media such as salt, glycol and the like can be added, and the ice temperature can be reduced below zero; in the process of cooling the flexible cold accumulation layer 103, because the volume of water is increased after the water is solidified into ice, in order to prevent the liquid in the parallel space of the flexible cold accumulation layer 103 from being increased in volume and then puncturing the package, the liquid injection amount of the phase change cold accumulation material is generally not more than 90% of the original space volume.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a totally closed cold-storage flexible icy bright bag that insulates against heat, includes the bag body, sealing, the sealing set up in bag body edge, the sealing and the internal inner chamber that forms one and hold the object of bag, its characterized in that: the bag body is by outer packaging layer, flexible thermal-protective layer and the flexible cold-storage layer that is equipped with dampproofing thermal-protective function in proper order to interior, outer packaging layer with flexible thermal-protective layer bonds as an organic whole, and detachably wraps up flexible cold-storage layer is peripheral.

2. The fully-enclosed cold-storage and heat-insulation flexible fresh ice bag according to claim 1, wherein the flexible cold-storage layer is made of flexible material and is divided into a plurality of parallel spaces with gaps, and phase-change cold-storage materials are filled in the parallel spaces.

3. The fully-closed cold-storage and heat-insulation flexible fresh ice bag according to claim 2, wherein the cross section of the parallel spaces is rectangular, triangular or hemispherical, the parallel spaces are made of PE plastic films, and the phase change cold storage material can be solid ice or ice slurry after being cooled and stored.

4. The fully-closed cold-storage and heat-insulation flexible fresh ice bag as claimed in claim 2, wherein a freezing point lowering medium is added in the flexible cold storage layer, and the liquid injection amount of the phase change cold storage material in a single parallel space of the flexible cold storage layer is not more than 90% of the original volume.

5. The fully-enclosed cold-storage and heat-insulation flexible fresh ice bag as claimed in claim 1, wherein the outer packaging layer is made of a material with moisture-proof and heat-insulation functions, such as an aluminum-plated film.

6. The fully-enclosed cold-storage and heat-insulation flexible fresh ice bag as claimed in claim 1, wherein the flexible heat-insulation layer is composed of a single layer or multiple layers of bubble films.

7. The fully enclosed cold and heat storage flexible fresh ice bag according to claim 1 wherein the inner chamber is filled with nitrogen.

8. The fully-closed cold-storage and heat-insulation flexible fresh ice bag as claimed in claim 1, wherein a portable hand strap is arranged outside the outer packaging layer of the bag body; the sealing opening is provided with a clamp chain, a sealing clamp is arranged on the clamp chain, and the clamp chain and the sealing clamp are buckled to form a clamp chain type sealing opening.

9. The fully-enclosed cold-storage and heat-insulation flexible fresh ice bag as claimed in claim 1, wherein the outer packaging layer, the flexible heat-insulation layer and the flexible cold-storage layer are bonded into a whole and are of an integrated packaging molding structure.