Irreversible anti-overheating label

Abstract

The irreversible anti-overheating label comprises a surface material layer, a color changing layer, a base layer, a bonding layer and a bottom paper layer which are sequentially attached, the surface material layer is transparent and is in a sheet shape capable of being printed with images and texts, the color changing layer comprises a prompt area and a confirmation area, an information area is arranged on the confirmation area, the prompt area is made of reversible temperature change printing ink, and the information area is made of transparent temperature change printing ink. The confirmation area is made of irreversible temperature change ink, the color change temperature of the prompt area is lower than that of the confirmation area, and the information area is composed of a bar code or a two-dimensional code; after the color of the confirmation area is irreversibly changed due to the fact that the temperature is higher than a threshold value, the color of the confirmation area is consistent with the color of the information area, when the color-changing label is used, the bottom paper layer is opened and taken down and then fixed to the surface of a target object through the bonding layer, and the temperature of the target object can be sensed through the color-changing layer.

Description

Technical Field

[0001] This utility model belongs to the field of label technology, specifically relating to an irreversible overheat protection label. Background Technology

[0002] Cold chain refers to a special supply chain system in which certain food raw materials, processed food or semi-finished products, special biological products and pharmaceuticals are kept in a specific low-temperature environment necessary for the product at all stages of product processing, storage, transportation, distribution and retail, and use, after being acquired, processed and inactivated, in order to reduce losses, prevent contamination and deterioration, and ensure the safety of food, biosafety and pharmaceuticals.

[0003] Every link in the cold chain requires strict temperature control; an error in any link will affect the final quality of the product. Cold chain products are prone to temperature rise during handover and transfer. However, existing cold chain temperature monitoring technologies typically only cover part of the process and cannot monitor the product temperature in real time during handover. This makes it impossible to determine in real time whether the product temperature has risen to a level requiring handling during the transfer process, thus affecting the final product quality.

[0004] Patent application number 201821379281.6 discloses a one-way cold chain temperature-sensitive label. When the temperature reaches a predetermined threshold during transportation, the color of the irreversible temperature-sensitive ink in the patent will undergo an irreversible change, realizing the function of easy detection of temperature changes and having good detection performance.

[0005] However, the aforementioned patents cannot guarantee that the labels have not been replaced during transportation, rendering the cold chain temperature-sensitive labels ineffective in monitoring temperature changes. Furthermore, these patents can only confirm whether a product exceeds a threshold, but cannot provide alerts as the temperature rises to that threshold. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, this utility model provides an irreversible overheat-proof label with a prompting function and the ability to prevent the label from being replaced before the product is finally used.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is: an irreversible overheat protection label, comprising a face material layer, a color-changing layer, a base layer, an adhesive layer, and a backing paper layer sequentially bonded together. The face material layer is a transparent sheet that can be printed with graphics and text. The color-changing layer includes a prompt area and a confirmation area. An information area is provided on the confirmation area. The prompt area is made of reversible thermochromic ink, and the confirmation area is made of irreversible thermochromic ink. The color-changing temperature of the prompt area is lower than that of the confirmation area. The information area consists of a barcode or a QR code. After the color of the confirmation area undergoes an irreversible change due to a temperature exceeding a threshold, the color of the confirmation area becomes consistent with the color of the information area.

[0008] Using the above solution, when using this utility model, the bottom paper layer is peeled off and then fixed to the surface of the target object through the adhesive layer. The color-changing layer can sense the temperature of the target object.

[0009] When the temperature is higher than the preset temperature but lower than the confirmation zone temperature, the indicator area changes color to promptly alert the operator to the temperature change and facilitate timely handling. Once the temperature drops to the preset temperature, the indicator area returns to its initial color, indicating to the operator that the target object has returned to the preset temperature. When the temperature exceeds the color-changing temperature of the confirmation zone, an irreversible change occurs in the confirmation zone, allowing customers to judge the product quality by observing the color change.

[0010] Customers can scan the information area to determine if the label has been replaced, providing a certain level of anti-counterfeiting protection. The confirmation area changes color to match the information area, making the information area unscannable and increasing the difficulty of counterfeiting, thus enhancing the anti-counterfeiting effect.

[0011] As a further feature of this invention, the area of ​​the confirmation zone is less than 1 / 2 of the area of ​​the face material layer, and the confirmation zone is located at the edge of the face material layer.

[0012] The above solution facilitates the printing of various information on the surface layer, allowing for a more intuitive display of this information.

[0013] As a further feature of this invention, there are two to four prompting areas, all of which are arranged sequentially in the direction away from the confirmation area; between adjacent prompting areas, the color change temperature of the prompting area closer to the confirmation area is greater than that of the prompting area farther from the confirmation area.

[0014] Using the above method can achieve a better prompting effect.

[0015] As a further feature of this invention, the prompt area is provided with an identification area, the color of which is the same as the color of the prompt area before the color change.

[0016] Using the above solution, after the indicator area changes color when the temperature rises to the predetermined temperature, the indicator area becomes more conspicuous, making it easier for operators to confirm that the indicator area has changed color.

[0017] The label area can display the color-changing temperature of the corresponding warning area or text indicating the level of urgency for operators' reference.

[0018] As a further feature of this invention, the prompt area closest to the confirmation area semi-encloses the confirmation area; between adjacent prompt areas, the prompt area farther from the confirmation area semi-encloses the prompt area closer to the confirmation area.

[0019] By adopting the above solution, the scope of the prompt area is increased, making the prompt area more conspicuous.

[0020] As a further feature of this invention, the confirmation area is square, and the prompt area includes parallel sides that are parallel to the two adjacent sides of the confirmation area.

[0021] As a further feature of this invention, both the confirmation area and the prompt area are circular, and the edges of all the prompt areas are tangent to the same edge of the confirmation area.

[0022] By adopting the above solution, the maximum area of ​​the marking area is increased, making the prompts in the marking area more conspicuous. The present invention will now be further described with reference to the accompanying drawings. Attached Figure Description

[0023] Appendix Figure 1 This is a front view of a specific embodiment of the present utility model;

[0024] Appendix Figure 2 This is a cross-sectional view of a specific embodiment of the present utility model;

[0025] Appendix Figure 3 This is a front view of a specific embodiment two of this utility model.

[0026] Surface layer 1, color-changing layer 2, prompt area 21, label area 211, confirmation area 22, information area 221, base layer 3, adhesive layer 4, backing paper layer 5. Detailed Implementation

[0027] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] In the description of this utility model, it should be noted that, unless otherwise specified, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are used only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] Specific embodiments of this utility model are shown in the accompanying drawings.

[0030] Example 1: An irreversible overheat protection label includes a face material layer 1, a color-changing layer 2, a base layer 3, an adhesive layer 4, and a backing paper layer 5, which are sequentially bonded together. The face material layer 1 is a transparent sheet that can be printed with graphics and text. The color-changing layer 2 includes a prompt area 21 and a confirmation area 22. An information area 221 is provided on the confirmation area 22. The prompt area 21 is made of reversible thermochromic ink, and the confirmation area 22 is made of irreversible thermochromic ink. The color-changing temperature of the prompt area 21 is lower than that of the confirmation area 22. In this example, the information area 221 is composed of a barcode. After the color of the confirmation area 22 undergoes an irreversible change due to the temperature exceeding a threshold, the color of the confirmation area 22 becomes consistent with the color of the information area 221.

[0031] In this embodiment, the bottom paper layer 5 is peeled off and then fixed to the surface of the target object by the adhesive layer 4. The temperature of the target object can be sensed by the color-changing layer 2.

[0032] When the temperature is higher than the predetermined temperature but lower than the temperature of confirmation zone 22, the indicator zone 21 changes color, promptly alerting the operator to the temperature change and facilitating timely handling. Once the temperature drops to the predetermined temperature, the indicator zone 21 returns to its initial color, indicating to the operator that the target object has returned to the predetermined temperature. When the temperature exceeds the color-changing temperature of confirmation zone 22, irreversible color change occurs in confirmation zone 22, allowing customers to judge product quality based on the color change.

[0033] Customers can scan the information in information area 221 to determine if the label has been replaced, providing a certain level of anti-counterfeiting protection. After the confirmation area 22 changes color, it matches the color of information area 221, making information area 221 unscannable by scanning equipment, increasing the difficulty of counterfeiting and further enhancing the anti-counterfeiting effect.

[0034] The area of ​​confirmation area 22 is less than half the area of ​​surface layer 1, and confirmation area 22 is located at the edge of surface layer 1. This facilitates the printing of various information on surface layer 1 and allows for a more intuitive display of the information.

[0035] This embodiment features two notification areas 21, arranged sequentially away from the confirmation area 22. Between adjacent notification areas 21, the color-changing temperature of the notification area 21 closer to the confirmation area 22 is greater than that of the notification area 21 farther from the confirmation area 22. This provides a better notification effect.

[0036] The prompt area 21 is provided with an indicator area 211, the color of which is the same as the color of the prompt area 21 before it changes color. After the prompt area 21 changes color when the temperature rises to a predetermined temperature, the indicator area 211 becomes conspicuous, making it easy for operators to confirm that the prompt area 21 has changed color. In this embodiment, the indicator area 211 displays text indicating the level of urgency, such as two sets of text indicating "minor" and "serious". The indicator area 211 can also display the color-changing temperature of the prompt area 21 for operators' reference.

[0037] The prompt area 21 closest to the confirmation area 22 partially surrounds the confirmation area 22. Between adjacent prompt areas 21, the prompt area 21 furthest from the confirmation area 22 partially surrounds the prompt area 21 closest to the confirmation area 22.

[0038] This embodiment is square in shape, with all confirmation areas 22 being square, and the prompt area 21 including parallel sides that are parallel to the two adjacent sides of the confirmation area 22. The maximum area of ​​the marking area 211 is increased to make the prompts in the prompt area 21 more prominent.

[0039] Example 2: Example 2 is basically the same as Example 1, except that the entire Example 2 is circular, with both the confirmation area 22 and the prompt area 21 being circular, and the edges of all prompt areas 21 being tangent to the same edge of the confirmation area 22. In this example, the information area 221 is composed of a QR code.

[0040] This utility model is not limited to the specific embodiments described above. Those skilled in the art can implement this utility model using other specific embodiments based on the content disclosed in this utility model. Any simple changes or modifications made to the design structure and concept of this utility model will fall within the protection scope of this utility model.

Claims

1. An irreversible overheat-resistant label, comprising a face material layer, a color-changing layer, a base layer, an adhesive layer, and a backing paper layer sequentially laminated together, characterized in that: The surface layer is a transparent sheet that can be printed with graphics and text. The color-changing layer includes a prompt area and a confirmation area. An information area is provided on the confirmation area. The prompt area is made of reversible thermochromic ink, and the confirmation area is made of irreversible thermochromic ink. The color-changing temperature of the prompt area is lower than that of the confirmation area. The information area consists of a barcode or a QR code. After the color of the confirmation area undergoes an irreversible change due to a temperature exceeding a threshold, the color of the confirmation area becomes consistent with the color of the information area.

2. The irreversible overheat protection label according to claim 1, characterized in that: The area of ​​the confirmation zone is less than 1 / 2 of the area of ​​the surface material layer, and the confirmation zone is located at the edge of the surface material layer.

3. The irreversible overheat protection label according to claim 2, characterized in that: There are two to four prompting areas, and all the prompting areas are arranged sequentially in the direction away from the confirmation area; between adjacent prompting areas, the color change temperature of the prompting area closer to the confirmation area is greater than that of the prompting area farther from the confirmation area.

4. The irreversible overheat protection label according to claim 3, characterized in that: The prompt area is provided with an indicator area, and the color of the indicator area is the same as the color of the prompt area before the color change.

5. An irreversible overheat protection label according to claim 4, characterized in that: The prompt area closest to the confirmation area semi-encloses the confirmation area; between adjacent prompt areas, the prompt area farther from the confirmation area semi-encloses the prompt area closer to the confirmation area.

6. The irreversible overheat protection label according to claim 5, characterized in that: The confirmation area is square, and the prompt area includes parallel sides that are parallel to the two adjacent sides of the confirmation area.

7. An irreversible overheat protection label according to claim 5, characterized in that: Both the confirmation area and the prompt area are circular, and the edges of all the prompt areas are tangent to the same edge of the confirmation area.

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