阅读说明：本技术 一种计时温度指示标签装置 (Timing temperature indication label device ) 是由 陆健健 谷小虎 邱运昌 于 2019-09-20 设计创作，主要内容包括：本发明公开了一种计时温度指示标签装置,其包括依次设置的基材层、储液片、显色条和保护层,所述基材层和所述保护层共同夹持所述储液片和所述显色条,所述基材层的与所述保护层非接触的区域设置有容纳腔,所述储液片固定于所述容纳腔内,所述显色条具有初始端和延伸部,所述初始端与所述储液片位置相对应,其中,所述储液片内吸附有相变溶剂。本发明的计时温度指示标签装置,体积小、结构简单、成本低廉、方便量产、颜色变化对比明显。(The invention discloses a timing temperature indication label device which comprises a base material layer, a liquid storage sheet, a color development strip and a protective layer which are sequentially arranged, wherein the base material layer and the protective layer jointly clamp the liquid storage sheet and the color development strip, an accommodating cavity is formed in the non-contact area of the base material layer and the protective layer, the liquid storage sheet is fixed in the accommodating cavity, the color development strip is provided with an initial end and an extension part, the initial end corresponds to the position of the liquid storage sheet, and a phase change solvent is adsorbed in the liquid storage sheet. The timing temperature indication label device has the advantages of small volume, simple structure, low cost, convenience for mass production and obvious color change contrast.)

1. The utility model provides a timing temperature indication label device, a serial communication port, timing temperature indication label device is including substrate layer, stock solution piece, color development strip and the protective layer that sets gradually, the substrate layer with the common centre gripping of protective layer the stock solution piece with color development strip, the substrate layer with the region of protective layer non-contact is provided with and holds the chamber, the stock solution piece is fixed in hold the intracavity, color development strip has initial end and extension, initial end with stock solution piece position is corresponding, wherein, phase change solvent has been adsorbed in the stock solution piece.

2. The timed temperature indicating label device according to claim 1, further comprising a dye dispersed in said phase change solvent or adsorbed within the color bar.

3. The timed temperature indicating label device according to claim 1, wherein said initial end corresponds in position and is in intimate contact with said reservoir.

4. A time-counting temperature indicating label device according to claim 1, wherein said initial end is spaced above and below said reservoir.

5. A time-counting temperature-indicating label device according to claim 4, wherein said space is an air layer or a spacer layer.

6. The timed temperature indicating label device according to claim 4, wherein said reservoir sheet is fixed to the bottom of said housing cavity, said reservoir sheet having a thickness less than the depth of said housing cavity.

7. The time indicating temperature label assembly of claim 1, wherein said substrate layer is selected from one or more of aluminum, copper, gold, silver, PET, PVC, PE, PA, PC, PI, PMMA, PBT, PU materials.

8. The time indicating temperature label device according to claim 1, wherein said reservoir sheet is selected from one or more of molecular sieve, bentonite, chromatography silica gel, sponge, corncob, activated carbon, kapok fiber material.

9. The time indicating temperature label assembly of claim 1, wherein said color bar is selected from one or more of the group consisting of textilene, lithium battery separator material, porous synthetic paper material, cellulose-base material, and chromatography silica gel material.

10. The timed temperature indicating label device according to claim 1, wherein the said color development strip contains one or more color development substances selected from ferric chloride, zinc chloride, magnesium sulfate, phthalic acid, tartaric acid, salicylic acid, boric acid, oxalic acid, citric acid and gallic acid.

11. The timed temperature indicating label device according to claim 1, wherein said protective layer comprises an observation window region.

12. The timing temperature indication label device according to claim 1, further comprising a gasket attached to the substrate layer and surrounding the protrusion on the side of the back surface of the containing cavity protruding, wherein the protrusion extends into the central hole of the gasket, the thickness of the gasket is greater than or equal to the height of the protrusion, and the inner diameter of the gasket is greater than the diameter of the containing cavity.

13. A time and temperature indicating label device according to claim 12 wherein said washer is a double-sided adhesive ring.

Technical Field

The invention relates to the technical field of temperature monitoring and application, in particular to a timing temperature indication label device.

Background

At present, cold chain products such as fast-food products, blood products, vaccines and the like need to be kept in a certain temperature range in the transportation and storage processes, the products need a low-temperature environment in the preparation process, the products can reach the hands of consumers through a series of cold chain transportation links after leaving factories, each link is a potential risk point, and the serious consequence can be caused by the over-standard temperature of any link in the cold chain links. If problems occur in the transportation or storage process, the responsible party is difficult to identify.

In the prior art, as mentioned in the chinese patent application No. CN200420078916.0, the capillary action principle of a simple thermometer is used to make a color-changeable device when the ambient temperature exceeds the set temperature, the device has a relatively large volume and the cold chain product has a relatively small volume, and key components of the device are fragile and difficult to use. In addition, the british timeslip company provides a color-changing label device in a patent with the patent publication number of CN1533518A applied in china, a solution gradually permeates into an observation area after a capsule filled with a solvent is crushed, and the color-changing label device can lose efficacy within a few minutes for a short person and a few hours for a later person after being used, only can measure cold chain transportation time and cannot measure whether a cold chain environment exceeds a set dangerous temperature, and meanwhile, the color-changing label device has the problems of complex structure, high cost and large volume and limits the popularization and application of the color-changing label device. Vaccine thermal label VVM (vaccine visual monitor) recommended by WHO official in the field of vaccine temperature monitoring at present has the problems of low-temperature production, low-temperature transportation cost and unobvious failure color contrast.

Therefore, there is a need for a timing temperature indicating label with small volume, simple structure, low cost, convenient mass production and obvious color change contrast.

Disclosure of Invention

The invention aims to provide a timing temperature indication label device which is small in size, simple in structure, low in cost, convenient for mass production and obvious in color change contrast, aiming at the technical problems in the prior art.

The invention adopts the following technical scheme:

the utility model provides a timing temperature indication label device, timing temperature indication label device is including the substrate layer, stock solution piece, the strip that shows colour and the protective layer that set gradually, the substrate layer with the common centre gripping of protective layer the stock solution piece with the strip that shows colour, the substrate layer with the region of protective layer non-contact is provided with and holds the chamber, the stock solution piece is fixed in hold the intracavity, it has initial end and extension to show colour the strip, initial end with stock solution piece position is corresponding, wherein, the absorption has phase change solvent in the stock solution piece.

Preferably, the timing temperature indicating label device further comprises a dye dispersed in the phase change solvent or adsorbed in the color development strip.

Preferably, the initial end corresponds to the position of the liquid storage sheet and is in close contact with the liquid storage sheet.

Preferably, the initial end and the liquid storage sheet are vertically corresponding in position and have a gap.

Preferably, the space is an air layer or an isolation layer.

Preferably, the liquid storage sheet is fixed at the bottom of the accommodating cavity, and the thickness of the liquid storage sheet is smaller than the depth of the accommodating cavity.

Preferably, the substrate layer is selected from one or more of aluminum, copper, gold, silver, PET, PVC, PE, PA, PC, PI, PMMA, PBT, PU material.

Preferably, the liquid storage sheet is selected from one or more of molecular sieve, bentonite, chromatographic silica gel, sponge, corncob, activated carbon and kapok fiber material.

Preferably, the color strip is selected from one or more of textilene, a lithium battery diaphragm material, a porous synthetic paper material, a cellulose-alkali material and a chromatography silica gel material.

Preferably, the color development strip comprises one or more color development substances of ferric chloride, zinc chloride, magnesium sulfate, phthalic acid, tartaric acid, salicylic acid, boric acid, oxalic acid, citric acid and gallic acid.

Preferably, the protective layer comprises an observation window region.

Preferably, the gasket is attached to one side, protruding out of the back of the containing cavity, of the substrate layer and surrounds the protruding part, the protruding part extends into a central hole of the gasket, the thickness of the gasket is larger than or equal to the height of the protruding part, and the inner diameter of the gasket is larger than the diameter of the protruding part.

Preferably, the gasket is a double-sided adhesive ring.

The timing temperature indication label device has the advantages of small volume, simple structure, low cost, convenience for mass production and obvious color change contrast.

Drawings

The invention may be better understood by reference to the following description of embodiments of the invention taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic plan view of a first embodiment of a time and temperature indicating label assembly according to the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A' of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a second embodiment of a time and temperature indicating label device according to the present invention;

FIG. 4 is a schematic cross-sectional view of a third embodiment of a chronograph temperature indicating label device according to the present invention;

fig. 5 is a schematic plan view of a chronograph temperature indicating label device according to a fourth embodiment of the present invention.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, it will be apparent to those skilled in the art that the present invention may be practiced without these specific details. The illustrated exemplary embodiments of the invention are provided for purposes of illustration only and are not intended to be limiting of the invention. Therefore, it is intended that the scope of the invention be limited not by this detailed description, but rather by the claims appended hereto.

The timing temperature indicating label device according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The first embodiment:

fig. 1 is a schematic plan view of a timing temperature indication label device according to a first embodiment of the present invention, and fig. 2 is a schematic sectional view taken along a line a-a' in fig. 1, and with reference to fig. 1 and fig. 2, the timing temperature indication label device according to this embodiment includes a substrate layer 10, a liquid storage sheet 20, a color development strip 30, and a protective layer 40, which are sequentially disposed, the substrate layer 10 and the protective layer 40 jointly clamp the liquid storage sheet 20 and the color development strip 30, a receiving cavity 11 is disposed in a region of the substrate layer 10 that is not in contact with the protective layer 40, the liquid storage sheet 20 is fixed in the receiving cavity 11, the color development strip 30 has an initial end 31 and an extension portion 32, and the initial end 31 corresponds to the position.

In this embodiment, as shown in fig. 2, the initial end 31 is located corresponding to and in close contact with the reservoir sheet 20. In this embodiment, preferably, the liquid storage sheet 20 is fixed at the bottom of the accommodating cavity 11, but not limited thereto, the outer edge of the liquid storage sheet 20 may also be fixed with the inner edge of the accommodating cavity 11, or the liquid storage sheet 20 is fixed at the same time at the inner edge of the bottom of the accommodating cavity 11, the thickness of the liquid storage sheet 20 is less than or equal to the depth of the accommodating cavity 11, so that the accommodating cavity 11 has enough space to accommodate the liquid storage sheet 20, and the liquid storage sheet 20 may be fixed in the accommodating cavity 11 by glue or other fixing means.

A phase-change solvent is adsorbed in the liquid storage sheet 20, and when the timing temperature indication label device of the embodiment is below a set indication temperature range (a stable temperature range without temperature indication), the phase-change solvent is a solid; when the timing temperature indicating label device is above the set indicating temperature range, the phase-change solvent is changed from solid to liquid, so that the dye carried by the phase-change solvent starts to generate color change indication along the initial section 31 part of the color development strip 30 and gradually diffuses outwards along the extension section 32 of the color development strip, and accurate timing can be performed according to the diffusion position of the color change of the color development strip 30. Wherein, the dye can be absorbed in the liquid storage sheet 20 and also can be absorbed in the color development strip 30. In the specific embodiment of the invention, in the timing temperature indicating label device, different color-changing dyes and different phase-change solvents can be selected according to actual needs to realize different color changes, so that the temperature can be accurately indicated.

In this embodiment, the substrate layer 10 is selected from one or more of aluminum, copper, gold, silver, PET, PVC, PE, PA, PC, PI, PMMA, PBT and PU, preferably, the substrate layer 10 is selected from aluminum foil, which is low in cost and easy to process into the accommodating cavity 11, for example, the accommodating cavity 11 can be formed by stamping. The reservoir 20 is used for storing phase change solvents and dyes, and in this embodiment, the reservoir 20 is selected from one or more of molecular sieves, bentonite, silica gel, sponge, corncob, activated carbon, and kapok fiber material. The phase change solvent in the reservoir sheet 20 is selected from one or more of ester, alcohol, ketone, hydrocarbon, and acid solvents. In this embodiment, for example, the esters are selected from one or more of ethyl cinnamate, cyclohexyl acetate, benzyl benzoate, methyl laurate, ethyl laurate, isopropyl myristate, methyl cinnamate, triphenyl phosphite, dimethyl adipate, dimethyl carbonate, diethyl sebacate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, isopropyl palmitate; the alcohols are selected from one or more of 1, 4-butanediol, glycerol, n-dodecanol, n-tetradecanol, n-hexadecanol, n-octadecanol and n-octanol; the ketones are selected from one or more of 2-decanone, acetophenone, 2-undecanone, butanedione, ambrotone, and coumarin; the hydrocarbon is selected from one or more of diphenylmethane, phenylcyclohexane, p-xylene, tetradecane, pentadecane and hexadecane; the acid is selected from one or more of phthalic acid, tartaric acid, salicylic acid, boric acid, citric acid monohydrate, gallic acid, n-octanoic acid, n-heptanoic acid, and pelargonic acid.

In this embodiment, the dye may be selected from one or more of bromothymol blue, bromocresol green, methyl yellow, methyl orange, phenolphthalein, green-5, red pigment-16, melanin-1, melanin-2, crystal violet lactone, gentian violet, thermosensitive mauve TF-R2, thermosensitive mauve TF-R1, thermosensitive green TF-G, blue pigment CB8, and benzoyl leuco methylene blue.

In this embodiment, the color bar 30 is selected from one or more of Teslin (Teslin), lithium battery separator material, porous synthetic paper material, cellulose-alkali material, and chromatography silica gel material. Preferably, the color strip 30 further comprises one or more color materials selected from the group consisting of ferric chloride, zinc chloride, magnesium sulfate, phthalic acid, tartaric acid, salicylic acid, boric acid, oxalic acid, citric acid and gallic acid, and the color is more obvious after the color materials are arranged in the color strip 30. For example, the color strip 30 is made of porous synthetic paper material, and then the color strip 30 is soaked in ferric chloride water solution for a period of time and then dried for use. In addition, in this embodiment, phase change solvent, dye, color material can be matched and adjusted according to actual needs, so that the timing temperature indication label displays different colors in use and is applied to different scenes. In addition, the diffusion rates of the phase-change solvent and the dye are related to the material selection of the color bar 30, and are also related to the material selected for the color bar 30. According to different temperature indication environment requirements, phase change solvents with different phase change temperatures can be selected, and therefore production of various types of timing temperature indication label devices with different temperature requirements is achieved. In addition, scales can be set at the edge of the color development bar 30 according to needs, and time setting is performed according to the scales according to the color development process, so that the timing function of the timing temperature indication label device under different use scenes is realized, and further description is omitted.

In this embodiment, protective layer 40 is located timing temperature indication label device's outmost, protective layer 40 and the common centre gripping of substrate layer 10 show color bar 30, the protective layer plays outer protection function and observation area function simultaneously, in this embodiment, preferably, protective layer 40 supplies the user to observe whether development and the development progress of showing color bar including observation window district 41, as shown in fig. 2, preferably, observation window district 41 includes central observation window district and development observation window district, central observation window district can in time show timing temperature indication label device's start-up in time, development observation window district can be timed according to the position of showing color bar 30.

As shown in fig. 2, in the present embodiment, the timing and temperature indicating label device further includes a gasket 50 attached to the substrate layer 10 and surrounding the protrusion on the back side of the accommodating cavity 11, the protrusion on the back side of the accommodating cavity 11 extends into the central hole of the gasket 50, preferably, the thickness of the gasket 50 is greater than the height of the protrusion on the back side of the accommodating cavity 11, but not limited thereto, the thickness of the gasket 50 may also be equal to the height of the protrusion on the back side of the accommodating cavity 11, so that the bottom of the gasket 50 is flush with the protrusion on the back side of the accommodating cavity 11, and the bottom surface of the entire timing and temperature indicating label device is a flat plane. Preferably, the inner diameter of the gasket 50 is larger than the diameter of the receiving cavity 11, so that the inner cavity of the gasket 50 can completely receive the back projection of the receiving cavity 11. The gasket 50 plays the effect of the protruding outside region in chamber 11 back that holds of bed hedgehopping for the whole of timing temperature indicating label device is level and smooth, and preferably, the gasket 50 chooses for use to have certain elastic material to form, and when timing temperature indicating label device was pressed, it can take place deformation and make the protruding of holding the chamber 11 back pressed and take place deformation and make stock solution piece 20 and color development strip 30 contact. In this embodiment, preferably, the gasket 50 is a double-sided adhesive ring, the upper and lower sides of the gasket are respectively provided with an adhesive layer, the upper surface of the double-sided adhesive ring is tightly glued with the substrate layer, the lower side of the adhesive layer below the double-sided adhesive ring is also provided with a release layer, and the release layer is removed to integrally adhere the timing temperature indication label device to an object for temperature monitoring and timing, but the invention is not limited thereto, and the gasket 50 is not required to be arranged, so that the use of the timing temperature indication label device is not affected; the gasket 50 may be replaced by a whole layer of other structures or a patterned layer, which will not be described in detail.

In this embodiment, the whole timing temperature indication label device is circular, for example, the substrate layer 10 is selected to be a circular aluminum foil, the accommodating cavity 11 is punched in the center of the substrate layer 10, the double-faced adhesive ring 50 is attached to one side of the back surface of the accommodating cavity 11 of the substrate layer 10, the phase change solvent is selected to be methyl laurate, 0.6% of haematochrome-16 is added to the methyl laurate to change the melting point to 2 ℃, the phase change solvent is dripped into the liquid storage sheet 20, the color development strip 30 is selected to be a chromatography silica gel material in this embodiment, the color development strip 30 and the protection layer 40 are attached by organic glass glue, the protection layer 40 and the substrate layer 10 are attached by a hot-attaching manner, so as to form the timing temperature indication label device, when the timing temperature indication label device is used, the release layer outside the double-faced adhesive ring 50 is firstly torn off, the timing temperature indication label device is attached to the, when the temperature of the monitored object exceeds the preset temperature, the color development strip layer turns red and is observed from the observation window area of the protection layer 40.

Second embodiment:

fig. 3 is a schematic cross-sectional view of a timing temperature indicating label device according to a second embodiment of the present invention, and the same parts as those in the first embodiment are not repeated, but the difference is that, as shown in fig. 3, in the timing temperature indicating label device according to the present embodiment, an initial end of a color bar 30 corresponds to a position of a liquid storage sheet 20 up and down and has a gap 60, as shown in fig. 3, the gap 60 is an air layer, and when the timing temperature indicating label device is not started, an air layer is provided between the color bar 30 and the liquid storage sheet 20 instead of contact, so that the timing temperature indicating label device can be normally transported or stored without temperature discoloration indication and timing. When timing temperature indication label device is pressed and is started, the corresponding arch on the back of the accommodating cavity 11 is pressed and deformed, so that the liquid storage sheet 20 is contacted with the color development strips 30 which correspond to the positions of the liquid storage sheet up and down and have intervals originally, and the timing temperature indication label device is started. When the timing temperature indicating label device is above the set indicating temperature range, the phase-change solvent can be changed from solid to liquid, so that the dye carried by the phase-change solvent starts to generate color change indication along the initial section 31 part of the color development strip 30 and gradually diffuses outwards along the extension section 32 of the color development strip, and accurate timing can be carried out according to the diffusion position of the color change of the color development strip 30. In the specific embodiment of the invention, in the timing temperature indicating label device, different color-changing dyes and different phase-change solvents can be selected according to actual needs to realize different color changes, so that the temperature can be accurately indicated.

The third embodiment:

fig. 4 is a schematic cross-sectional structure view of a timing temperature indicating label device according to a third embodiment of the present invention, and the same parts as those in the second embodiment are not repeated, but the difference is that in the timing temperature indicating label device according to the present embodiment, as shown in fig. 4, the space 60 is an isolation layer, and the material of the isolation layer may be a porous material that can pass liquid, such as a filter paper material, a non-woven fabric material, a gel material, a porous chromatography silica gel material, and the like. When the timing temperature indicating label device is at a temperature below the set indicating temperature range, the color development strip 30 and the liquid storage sheet 20 are provided with an isolation layer instead of direct contact, and temperature color change indication and timing cannot occur. When the timing temperature indicating label device is at a temperature above the set indicating temperature range, the phase-change solvent can be changed from solid to liquid, so that the dye is carried through the isolation layer to start to generate color change indication along the initial section 31 part of the color development strip 30 and gradually diffuse outwards along the extension section 32 of the color development strip, and accurate timing can be carried out according to the diffusion position of the color change of the color development strip 30. In the embodiment of the present invention, not limited thereto, the isolation layer may also be made of a phase-change material having a phase-change at a certain temperature, preferably, the phase-change temperature of the phase-change material layer selected by the isolation layer is not greater than the phase-change temperature of the phase-change solvent selected by the isolation layer, so that after the temperature indicating label device is in the temperature range of the indicating temperature, the isolation layer can be changed from a solid to a liquid in time, thereby causing the phase-change solvent carrying the dye to start to change color along the initial section 31 of the color bar 30 and gradually diffuse outward along the extension section 32 of the color bar for temperature indication. The isolation layer can also be made of a material which can be dissolved by a phase-change solvent, such as a PVB material, an EVA material or a polycaprolactone material. When the timing temperature indicating label device is at a temperature above the set indicating temperature range, the isolation layer is dissolved by the phase-change solvent, so that the phase-change solvent carrying the dye passes through the isolation layer to start color change indication along the initial section 31 part of the color bar 30, and gradually diffuses outwards along the extension section 32 of the color bar to indicate the temperature.

The fourth embodiment:

in this embodiment, the whole timing temperature indication label device is in a long strip shape, as shown in fig. 5, and fig. 5 is a schematic plan view of the timing temperature indication label device according to the fourth embodiment of the present invention, in this embodiment, the extension portion 32 of the color bar 30 has a long strip-shaped extension portion after extending in an arc shape, and the length of the color bar 30 is longer, so that the present embodiment is more suitable for timing a temperature indication label requiring a longer time, and is not described again.

The timing temperature indication label device has the advantages of small volume, simple structure, low cost, convenience for mass production and obvious color change contrast.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.