Drying agent bag with oxygen indication function

Abstract

The utility model discloses a desiccant bag with an oxygen indication function, which comprises a packing material, desiccant is arranged in the packing material, oxygen indication ink is printed on the packing material, and the oxygen indication ink presents different colors under different oxygen concentrations. And the oxygen indication ink is used for indicating the oxygen content in the sealed space through color change when the drying agent is put into the sealed space. The oxygen concentration in the desiccant bag can be recognized more clearly, and meanwhile the manufacturing cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing material technical field especially is related to a dry agent bag with oxygen indicating function. BACKGROUND

[0002] Dry agent bag is widely used in food, medicine, electronic products and other industries, mainly used for absorbing moisture in sealed environment, preventing product from being damp and deteriorated, and ensuring the quality and safety of products. With the development of technology, the functions of dry agent bag are gradually diversified, not limited to moisture absorption and moisture prevention, but also adding various monitoring and indicating functions, improving the use experience and safety of products.

[0003] In order to improve the use effect of dry agent bag, some indicating functions are usually added on the package material, and the method is to add an oxygen indicating line on the outer surface of the dry agent bag. This method can determine whether the oxygen in the sealed space is overproof through visual inspection, so as to decide whether to replace the dry agent bag. However, these methods have certain limitations, for example, the additional oxygen indicating line needs additional production process, which increases the manufacturing cost. SUMMARY

[0004] The application provides a dry agent bag with oxygen indicating function, which is convenient for more clearly identifying the oxygen concentration in the dry agent bag, and saves manufacturing cost.

[0005] The application provides a dry agent bag with oxygen indicating function, which adopts the following technical scheme:

[0006] A dry agent bag with oxygen indicating function, comprising a package material, a desiccant is arranged in the package material, oxygen indicating ink is printed on the package material, the oxygen indicating ink presents different colors under different oxygen concentrations, and the oxygen indicating ink is used to indicate the oxygen content in the sealed space through color change when the desiccant is put into the sealed space.

[0007] Through the above technical scheme, the dry agent bag with oxygen indicating function designed by the utility model is used, the desiccant is put into the package material, the oxygen indicating ink is printed on the package material by printing, the oxygen indicating ink will change into different colors according to the oxygen concentration in the sealed space, the colors can be observed by the staff after being displayed through the package material, the oxygen content in the package material is confirmed by observing the colors, the dry agent bag only needs to print the oxygen indicating ink during manufacturing, so the cost is lower, and the oxygen concentration in the dry agent bag can be more clearly identified by color change.

[0008] Preferably, the package material is a multilayer composite material, the multilayer composite material comprises an inner layer, an intermediate layer and an outer layer, and the oxygen indicating ink is printed on the inner layer.

[0009] By adopting the technical scheme, in use, the package material of the desiccant package adopts a multi-layer composite material, the design of the multi-layer composite material enhances the comprehensive performance of the package material, and further improves the use effect and safety of the desiccant package.

[0010] Preferably, the inner layer is a breathable material, the middle layer is a barrier material, and the outer layer is a waterproof material.

[0011] By adopting the technical scheme, in use, the inner layer adopts a breathable material, which can ensure that the desiccant contacts with the external air, thereby effectively absorbing moisture, the middle layer adopts a barrier material, which can prevent external gas from penetrating and maintain the stability of the internal dry environment, and the outer layer adopts a waterproof material, which can prevent external moisture from invading, thereby further improving the use effect and service life of the desiccant.

[0012] Preferably, an identification table is arranged on the package material, and the identification table indicates oxygen content values corresponding to color depths, thereby facilitating observation by workers.

[0013] By adopting the technical scheme, in use, the identification table is arranged to indicate oxygen content values corresponding to color depths, so that workers can intuitively and quickly understand the oxygen content in the sealed space, thereby improving the accuracy of observation of the oxygen concentration content.

[0014] Preferably, an observation window is arranged on the package material, the observation window is used to observe the condition of the desiccant in the package material, the observation window is a transparent plastic film, and the transparent plastic film is pasted on the package material.

[0015] By adopting the technical scheme, in use, the observation window enables users to intuitively observe the condition of the desiccant inside the package material, thereby avoiding problems that cannot be found in time due to package damage or desiccant failure. The design of the transparent plastic film not only ensures the clarity of observation, but also ensures the timeliness of finding the condition of the desiccant in the package material.

[0016] Preferably, a tear line is arranged on one side of the package material, and a pull ring is arranged on the tear line, thereby facilitating users to open the desiccant package.

[0017] By adopting the technical scheme, in use, the tear line arranged on one side of the package material and the pull ring arranged on the tear line can improve the convenience of users to open the desiccant package.

[0018] Preferably, a fixing agent is arranged on the oxygen indicating ink, and the fixing agent is used to fix the oxygen indicating ink on the package material.

[0019] By adopting the technical scheme, in use, the fixing agent on the oxygen indicating ink can effectively prevent the ink from falling off or spreading, thereby ensuring the stability and reliability of the oxygen indicating ink in different use environments.

[0020] Preferably, a heat sealing edge is arranged at the edge of the package material, which is used to prevent leakage of the desiccant.

[0021] By adopting the technical scheme, the heat sealing edge arranged at the edge of the package material can effectively prevent leakage of the desiccant, ensure that the desiccant package maintains good sealing performance during use, and thus improve reliability and service life of the desiccant package.

[0022] In summary, the present application has the following beneficial effects:

[0023] 1. The desiccant package with the oxygen indication function has color changes of the oxygen indication ink on the desiccant package under different oxygen concentrations, which can intuitively and accurately reflect oxygen content in a sealed space, and improve reliability of grasping oxygen content in the desiccant package.

[0024] 2. The desiccant package with the oxygen indication function has the oxygen indication ink directly printed on the package material, without the need for additional detection equipment or small devices, which simplifies structure design, reduces cost, and facilitates use of users.

[0025] 3. The desiccant package with the oxygen indication function utilizes the characteristic that the package material is made of a composite material, enhances comprehensive performance of the package material, such as air permeability, barrier property and waterproofness, and further improves use effect and safety of the desiccant package. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 is a structure schematic view of an embodiment;

[0027] Fig. 2 is a sectional view of an embodiment;

[0028] Fig. 3 is a structure schematic view of a display observation window in an embodiment;

[0029] BRIEF DESCRIPTION OF DRAWINGS 1. package material; 2. oxygen indication ink; 3. inner layer; 4. middle layer; 5. outer layer; 6. identification table; 7. observation window; 8. transparent plastic film; 9. tear line; 10. pull ring; 11. fixing agent; 12. heat sealing edge. DETAILED DESCRIPTION

[0030] The present application will be further described in detail below with reference to the drawings. Identical parts are denoted by identical reference numerals. It should be noted that the words "front", "back", "left", "right", "up", "down", "bottom surface" and "top surface" in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0031] This utility model discloses a desiccant package with oxygen indicator function, such as Figs. 1 to 3 As shown, the package includes a packaging material 1, which contains a desiccant. An oxygen indicator ink 2 is printed on the packaging material 1. The oxygen indicator ink 2 contains a color-changing material that displays different colors under different oxygen concentrations. The color-changing material can be methylene blue dye. The oxygen indicator ink 2 is used to indicate the oxygen content in the sealed space through color changes when the desiccant is placed inside. A fixative 11 can be provided on the oxygen indicator ink 2 to fix the oxygen indicator ink 2 onto the packaging material 1. The fixative 11 can be a resin, adhesive, etc. These materials have good adhesion properties and can prevent the ink from falling off. The fixative 11 can be sprayed onto the ink surface to form a protective film, improving the ink's abrasion resistance and weather resistance. The fixative 11 can also contain moisture-proof components to prevent the ink from becoming damp and failing.

[0032] Packaging material 1 is a multi-layer composite material, comprising an inner layer 3, a middle layer 4, and an outer layer 5. The inner layer 3 is a breathable material, such as non-woven fabric or polyethylene film, which allows water vapor to pass through but blocks larger particles. The middle layer 4 is a barrier material, such as nylon, which has good gas barrier properties and can effectively prevent oxygen penetration. The outer layer 5 is a waterproof material, such as polypropylene or polyester, which has good waterproof properties and can prevent external moisture from entering. Oxygen indicator ink 2 is printed on the inner layer 3, which ensures that the ink is in contact with the desiccant, thereby better reflecting changes in oxygen concentration.

[0033] Packaging material 1 is equipped with a label 6, which indicates the oxygen content value corresponding to different color shades for easy observation by staff. Packaging material 1 also has an observation window 7, which is a transparent plastic film 8 attached to the packaging material 1 to observe the desiccant inside. A tear line 9 with a pull ring 10 can be provided on one side of packaging material 1 to facilitate opening the desiccant package. The tear line 9 can be an easy-tear type, allowing users to easily tear open packaging material 1. The pull ring 10 can be a plastic ring, metal ring, etc., which have good strength and feel for easy operation. The pull ring 10 is fixed to the tear line 9 with adhesive to ensure its stability and reliability. A heat-sealed edge 12 can be provided at the edge of packaging material 1 to prevent desiccant leakage. The heat-sealed edge 12 can be formed by heat fusion or other methods to ensure a tight seal.

[0034] Working principle: the utility model discloses a kind of dry agent package with oxygen indication function, by printing oxygen indication ink 2 on the package material 1 of dry agent package, realize the intuitive monitoring of oxygen content in sealed space, oxygen indication ink 2 includes colour-changing material, colour-changing material presents different color under different oxygen concentration, to make staff be able to rapidly judge the oxygen condition in sealed space. Package material 1 adopts multilayer composite material, with good air permeability, barrier property and waterproof performance. The design of identification table 6 and observation window 7 further improves the convenience and accuracy of user. The setting of tear line 9 and pull ring 10 makes user to open dry agent package easily. The setting of fixing agent 11 and heat seal edge 12 guarantees the stability of ink and the sealing property of package material 1.

[0035] The above are preferred embodiments of the present application, not to limit the protection scope of the present application, therefore: equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A desiccant pack having an oxygen indicating function, characterized by: The package (1) is provided with a desiccant, and an oxygen indicating ink (2) is printed on the package (1), the oxygen indicating ink (2) presents different colors under different oxygen concentrations, the oxygen indicating ink (2) is used for indicating the oxygen content in the sealed space by color change when the desiccant is put into the sealed space, and a mark table (6) is arranged on the package (1), the mark table (6) is marked with oxygen content values corresponding to color depths, and a worker can observe conveniently.

2. The desiccant pack with oxygen indicating function according to claim 1, characterized in that: The package (1) is a multilayer composite material, the multilayer composite material comprises an inner layer (3), an intermediate layer (4) and an outer layer (5), and the oxygen indicating ink (2) is printed on the inner layer (3).

3. The desiccant pack with oxygen indicating function according to claim 2, characterized in that: The inner layer (3) is a breathable material, the intermediate layer (4) is a barrier material, and the outer layer (5) is a waterproof material.

4. The desiccant pack with oxygen indicating function according to claim 1, characterized in that: An observation window (7) is arranged on the package (1), the observation window (7) is used for observing the condition of the desiccant in the package (1), the observation window (7) is a transparent plastic film (8), and the transparent plastic film (8) is pasted on the package (1).

5. The desiccant pack with oxygen indicating function according to claim 1, wherein: A tear line (9) is arranged on one side of the package (1), a pull ring (10) is arranged on the tear line (9), and a user can open the desiccant package conveniently.

6. The desiccant pack with oxygen indicating function according to claim 1, characterized in that: A fixing agent (11) is arranged on the oxygen indicating ink (2), and the fixing agent (11) is used for fixing the oxygen indicating ink (2) on the package (1).

7. The desiccant pack with oxygen indicating function according to claim 1, characterized in that: A heat sealing edge (12) is arranged at the edge of the package (1), and the heat sealing edge (12) is used for preventing the desiccant from leaking.

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