CN210349026U

CN210349026U - Timing temperature indication label device

Info

Publication number: CN210349026U
Application number: CN201921568523.0U
Authority: CN
Inventors: 陆健健; 谷小虎; 邱运昌
Original assignee: Jiangsu Jitri Smart Liquid Crystal Sci and Tech Co Ltd
Current assignee: Jiangsu Jitri Smart Liquid Crystal Sci and Tech Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-04-17
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a timing temperature indication label device, it is including the substrate layer, stock solution piece, apparent colour strip and the protective layer that set gradually, the substrate layer with the common centre gripping of protective layer the stock solution piece with it holds the chamber to show the colour strip, the substrate layer with the region of protective layer non-contact is provided with, the stock solution piece is fixed in hold the intracavity, it has initial end and extension to show the colour strip, initial end with stock solution piece position is corresponding. The utility model discloses a timing temperature indication label device, small, simple structure, low cost, make things convenient for volume production, colour change contrast obvious.

Description

Timing temperature indication label device

Technical Field

The utility model relates to a temperature monitoring and application technical field, in particular to 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

An object of the utility model is to provide a small, simple structure, low cost, make things convenient for volume production, the obvious timing temperature indication label device of colour change contrast to the above technical problem who exists among the prior art.

The utility model adopts the following technical scheme:

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

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 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 utility model discloses a timing temperature indication label device, small, simple structure, low cost, make things convenient for volume production, colour change contrast obvious.

Drawings

The invention may be better understood by referring to the illustrations of embodiments of the invention in which:

fig. 1 is a schematic plan view of a timing temperature indicating label device according to a first embodiment of 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 the timing temperature indicating label device of the present invention;

fig. 4 is a schematic cross-sectional view of a third embodiment of the timing temperature indicating label device of the present invention;

fig. 5 is a schematic plan view of a timing 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 example embodiments of the present invention are provided for illustration only and not to limit the invention. Therefore, the scope of the present invention is not limited by the specific embodiments, but only by the scope of the appended claims.

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 the utility model discloses the planar structure schematic diagram of timing temperature indication label device of first embodiment, fig. 2 is the sectional structure schematic diagram along A-A' line in fig. 1, combine fig. 1 and fig. 2, the timing temperature indication label device of this embodiment is including the substrate layer 10 that sets gradually, stock solution piece 20, color development strip 30 and protective layer 40, common centre gripping stock solution piece 20 and color development strip 30 of substrate layer 10 and protective layer 40, the region of substrate layer 10 and protective layer 40 non-contact is provided with and holds chamber 11, stock solution piece 20 is fixed in and holds in the chamber 11, color development strip 30 has initial end 31 and extension 32, initial end 31 is corresponding with stock solution piece 20 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. The utility model discloses in the embodiment, in the timing temperature indication label device, can choose for use different color-changing dyes and different phase change solvents according to actual need, realize different colour changes, consequently can the accurate temperature of instructing.

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, and the upper and lower parts 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, and the lower part of the adhesive layer below the double-sided adhesive ring is also provided with a release layer, after the release layer is removed, the whole timing temperature indication label device is adhered to an object for temperature monitoring and timing, but the utility model is not limited thereto, and the gasket 50 is not required to be arranged, and the use of the timing temperature indication label device is not influenced; 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 structure diagram of a timing temperature indication label device according to a second embodiment of the present invention, the same parts of this embodiment as those of the first embodiment are not repeated, and the difference is that, as shown in fig. 3, in the timing temperature indication label device according to this embodiment, the initial end of the color strip 30 corresponds to the liquid storage sheet 20 up and down and has a gap 60, in this embodiment, as shown in fig. 3, the gap 60 is an air layer, when the timing temperature indication label device is not started, the color strip 30 and the liquid storage sheet 20 have an air layer therebetween without contact, and the color strip can be transported or stored normally without temperature change 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. The utility model discloses in the embodiment, in the timing temperature indication label device, can choose for use different color-changing dyes and different phase change solvents according to actual need, realize different colour changes, consequently can the accurate temperature of instructing.

The third embodiment:

fig. 4 is a schematic cross-sectional structure diagram of a timing temperature indication label device according to a third embodiment of the present invention, and the same parts of the present embodiment as those of the second embodiment are not repeated, but the difference is that in the timing temperature indication label device according to the present embodiment, as shown in fig. 4, the space 60 is an isolation layer, and the material thereof can be selected from porous materials that can be penetrated by liquid, such as filter paper materials, non-woven fabrics materials, gel materials, porous chromatography silica gel materials, etc. 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. The embodiment of the utility model provides an in, not limited to this, the isolation layer also can be selected for use to have the phase change material that takes place the phase transition under the certain temperature, preferably, the phase transition temperature of the phase change material layer that the isolation layer was selected is not more than the phase transition temperature of the phase change solvent of selecting, like this when timing temperature indicating label device is in the temperature range of instruction temperature after, this isolation layer can become liquid by the solid in time, thereby make the phase change solvent carry the dyestuff and pass the isolation layer and begin to take place the instruction of discolouing along the initial section 31 part of color development strip 30, thereby progressively carry out temperature indication along the extension section 32 outdiffusion of color. 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:

this embodiment is no longer repeated with the same place of first to third embodiment, and its difference lies in, in this embodiment, timing temperature indication label device is whole to be rectangular shape, as shown in fig. 5, fig. 5 is the planar structure schematic diagram of timing temperature indication label device of the fourth embodiment, in this embodiment, extension 32 arc of color development strip 30 still has the extension of rectangular shape after extending, and color development strip 30's length is longer, more is applicable to the timing to the temperature indication label that needs longer time, no longer repeats.

The technical principle of the present invention is described above with reference to 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 any inventive effort, which would fall within the scope of the present invention.

Claims

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.

2. 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.

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

4. A time keeping temperature indicating label device according to claim 3, wherein said space is an air layer or a spacer layer.

5. A time-counting temperature-indicating label device according to claim 3, wherein said reservoir sheet is secured to the bottom of said receiving cavity, said reservoir sheet having a thickness less than the depth of said receiving cavity.

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

7. 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.

8. The time indicating temperature label assembly of claim 7, wherein said gasket is a double-sided adhesive ring.