CN204202775U - A kind of responsive to temperature type intelligent article coding followed the trail of for cold chain - Google Patents
A kind of responsive to temperature type intelligent article coding followed the trail of for cold chain Download PDFInfo
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- CN204202775U CN204202775U CN201420289255.XU CN201420289255U CN204202775U CN 204202775 U CN204202775 U CN 204202775U CN 201420289255 U CN201420289255 U CN 201420289255U CN 204202775 U CN204202775 U CN 204202775U
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Abstract
The utility model discloses a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain, comprise interconnective temperature variation cog region (1) and product type cog region (2), described temperature variation cog region (1) comprises interconnective color layer (1-1) and marker (1-2).The responsive to temperature type intelligent article coding for cold chain tracking that the utility model provides at least can realize the tracing management of cold chain.
Description
Technical field
The utility model relates to a kind of intelligent article coding, particularly relates to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain.
Background technology
The management of Food Cold Chain process safety is the extremely important ring in food safety management, is also the most unmanageable rings of all relevant issues of food security quality.
Food Cold Chain management relates to manufacturing enterprise, loglstics enterprise, carrier, sale enterprise, when any one chain of cold chain all to guarantee no problem; When any one link goes wrong time, be difficult to be reviewed timely, often when food consumption, the problem such as occurred freshness date or thaw, certain link before just knowing is out of joint, but still is difficult to location.Such as: when consumer to have bought in supermarket a box thaw and return the food frozen time, or to have a power failure logistics company storage temperature problem or have a power failure on haulage vehicle or expose in Discharging Process and at high temperature cross long-time and to thaw or supermarket self-management is improper or taken non-frozen district by consumer at production storehouse actually supermarket is also difficult to review this food, so many link cannot determine the position gone wrong, and is also just difficult to effectively improve and promote.This reviewing from supplier, the reviewing of date of manufacture, raw materials for production and adjuvant is reviewed, production run administration of health, production process technology manage, sales section manages maximum different, be difficult to trace back to single responsible party exactly.
Meanwhile, another difficult point of Cold-chain management needs Whole Course Management, and remarkable be the management of state.Different from other commodity, after a box food thaws and returns and freeze, without the detection means that some are special, be difficult to distinguish only according to naked eyes, this makes in each handshaking of logistics link, and thaw if there is crossing and return the situation of freezing, commodity take over party is difficult to this problem of Timeliness coverage.Return the food frozen and there is very strong camouflage.
, thawing period, the growth of bacterium colony is rapid, also may not reach the degree of food spoilage meanwhile; After consumer buys, thawing and the preparatory stage before consumption, bacterium colony regrows, being far shorter than in the fresh-keeping cycle that label marks, breeding and arriving harmful state, can say, the risk of Cold-chain management, sometimes be difficult to discover at cold chain itself, be in " latent period ", even meet various Testing index, after may reaching the pool period of a year, this commodity circulation is in consumer's hand, and in consumptive link outburst, this characteristic increases difficulty and the risk of food safety trace back.
Compare with medicine cold chain, Food Cold Chain also has large, the dispersed strong feature of a quantity, and comprising oneself refrigerator of consumer all becomes " last one kilometer " difficult problem in cold chain link, and this all gives supervision difficult.
Above four large difficult points are combined, party responsible is many, camouflage property is strong, latent period long, dispersion is extensive, the characteristic of the similar acute infectious disease that the batch that simultaneous food-safety problem may occur breaks out, harmfulness is large, makes the maximum difficult point becoming food safety risk control of Cold-chain management.Can say, the safety management of Food Cold Chain and tracing technology, be the most unmanageable link in whole food security, is to rely on separately existing information tracing means to be difficult to the link realized.
Therefore, need to provide a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain.
Summary of the invention
For this reason, the utility model proposes a kind of novel responsive to temperature type intelligent article coding followed the trail of for cold chain at least partially that can solve the problem.
According to an aspect of the present utility model, provide a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain, it is characterized in that: comprise interconnective temperature variation cog region and product type cog region,
Described temperature variation cog region comprises interconnective color layer and marker.
Alternatively, according to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain that the utility model provides, it is characterized in that: described color layer comprises developer, described marker comprises indicator,
The described indicator of described marker melts at a certain temperature, and the described developer color of described color layer is changed.
Alternatively, according to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain that the utility model provides, it is characterized in that: described developer comprises anhydrous cupric sulfate, described indicator is formed at a certain temperature or generates aqueous water, thus the color of described anhydrous cupric sulfate is changed.
Alternatively, according to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain that the utility model provides, it is characterized in that: described specified temp comprises-10 DEG C, described indicator comprises the ice crystal of sodium chloride solution.
Alternatively, according to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain that the utility model provides, it is characterized in that: described specified temp comprises 0 DEG C, described indicator comprises ice crystal, and described ice crystal is ground by ice cube under lower than the environment temperature of 0 DEG C.
Alternatively, according to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain that the utility model provides, it is characterized in that: the diameter of described ice crystal is 0.5 millimeter-1 millimeter, the mol ratio of described developer and described ice crystal is 1 ~ 3:1 ~ 5; Preferably, the mol ratio of described developer and described ice crystal is 1:1.
Alternatively, according to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain that the utility model provides, it is characterized in that: described specified temp comprises 10 DEG C, described indicator comprises the first component indicator and second component indicator,
Wherein, described first component indicator comprise following in any one: acetic acid and formic acid,
Described second component indicator comprise following in any one: cyclohexanol, tertiary butyl alcohol and Glycerin.
Alternatively, according to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain that the utility model provides, it is characterized in that: described specified temp comprises 47-64 DEG C,
Described indicator comprises paraffin particles, wherein, is sealed with water in described paraffin particles.
Alternatively, according to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain that the utility model provides, it is characterized in that: described specified temp comprises-63.5 DEG C, described indicator comprises the solid particle containing iodine, the described solid particle containing iodine is ground after-80 DEG C of quick-frozens by the chloroformic solution of iodine
Described developer comprises starch.
Alternatively, according to a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain that the utility model provides, it is characterized in that: described specified temp comprises 0 DEG C, described indicator comprises ice crystal,
Described developer comprise following in any one: discolour silica gel and basic fuchsin.
The responsive to temperature type intelligent article coding for cold chain tracking that the utility model provides at least can realize cold chain tracing management.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and is not thought restriction of the present utility model.And in whole accompanying drawing, represent identical parts by identical reference symbol.Wherein in the accompanying drawings, the multiple identical parts of alphabetic flag instruction after reference number, when making a general reference these parts, by its last alphabetic flag of omission.In the accompanying drawings:
Fig. 1 shows the structural representation of the responsive to temperature type intelligent article coding for cold chain tracking according to a kind of preferred implementation of the present utility model.
Fig. 2 shows the cross-sectional structure schematic diagram according to the temperature variation cog region of the responsive to temperature type intelligent article coding for cold chain tracking of a kind of preferred implementation of the present utility model in Fig. 1.
Fig. 3 shows the structural representation of the responsive to temperature type list warm area two dimension intelligent article coding for cold chain tracking according to a kind of preferred implementation of the present utility model.
Wherein: temperature variation cog region 1, color layer 1-1, marker 1-2, product type cog region 2.
Embodiment
The utility model provides many applicable creative concepts, and this creative concept can be reflected in a large number of in concrete context.The specific embodiment described in following embodiment of the present utility model only as the exemplary illustration of embodiment of the present utility model, and does not form the restriction to the utility model scope.
Below in conjunction with accompanying drawing and concrete embodiment, the utility model will be further described:
As depicted in figs. 1 and 2, a kind of responsive to temperature type intelligent article coding followed the trail of for cold chain, comprise interconnective temperature variation cog region 1 and product type cog region 2, described temperature variation cog region comprises interconnective color layer 1-1 and marker 1-2.Described color layer 1-1 comprises developer, and described marker 1-2 comprises indicator, and the described indicator of described marker 1-2 melts at a certain temperature, and the color of the described developer of described color layer 1-1 is changed.Described marker 1-2 both can be arranged on the bottom of described color layer 1-1, also can be arranged on the top of described color layer 1-1.
Melting is material is the phase transition process of liquid phase by solid transformation.It is the inverse process of solidifying.Under certain pressure, solid (crystal) will be heated to uniform temperature (fusing point) and could melt, temperature-resistant in fusion processes, absorbs heat from the external world.The temperature that crystal is corresponding when melting, is called fusing point.
Bar code and Quick Response Code are referred to as intelligent article coding.
Bar code (barcode) is the multiple secret note and blank that are not waited by width, according to the arrangement of certain coding rule, in order to express the graphical identifier of one group of information.Common bar code is the pattern of parallel lines that the secret note (abbreviation bar) that differed greatly by reflectivity and informal voucher (being called for short empty) are lined up.
Quick Response Code (Two-dimensional code), also known as two-dimensional bar code, it is with specific geometric figure according to certain rules at the chequered with black and white figure of the upper distribution of plane (two-dimensional directional), is a key of all information datas.In modern commerce activity, attainable application is very extensive, as: product false proof/trace to the source, advertisement pushing, web site url, data download, commodity transaction, location/navigation, electronic certificate, vehicle management, information transmission, business card interchange, wifi share.Nowadays the application that (being called for short 313) function was swept and swept to smart mobile phone makes Quick Response Code more general.
Intelligent article coding in the utility model comprises two regions, a region is for identifying product type, comprise the region of the information such as the kind of product, manufacturer, date of manufacture, another region is the region for identifying product temperature variation in transport and storage process, completes the tracing management of product cold chain with this.
Formally distinguish, responsive to temperature type intelligent article coding also comprises one dimension intelligent article coding (i.e. bar code) and two-dimentional intelligent article coding.Wherein, because temperature variation cog region may further include single warm area and many warm areas, therefore one dimension intelligent article coding provided by the invention also comprises single warm area intelligent article coding and many warm areas intelligent article coding.
Because it has the ability (also known as " perception bar code ") of perception, be similar to the function of sensor (also known as " sensing bar code ", or " bar code sensor "), the basis of Quick Response Code adds more one dimensions even information of multidimensional (also known as " 3D bar code ", " three-dimension code ", " multidimensional code ").This bar code can be one-dimensional bar code, may also be Quick Response Code, also can be the discernible word of other staff or figure; Can be monochromatic, also can be colored; According to the difference of indicator trigger condition time, that this bar code is divided into memoryless formula and have memory function.The time length of having an effect required by display effect is divided into: second level, minute level, carve level, hour level, half a day level, sky level, all levels, the moon level, season level, grade, ten grades.Be divided into by the parameter of perception: responsive to temperature type, Photosensitive, wet sensitive type, quick type of oxygen etc.Be divided into by realization mechanism: physical computing, stoichiometric calculation, biological computation, nanometer calculates, etc.Be divided into by the complexity of function: monotype, Multi-layer composite, multizone is compound, many materials mixed type.
Responsive to temperature type intelligent article is encoded, and is the one in intelligent article coding, this bar code variation with temperature and changing.The temperature conditions that wherein the real-time display of memoryless formula is current, as shown temperature, the temperature of food, the temperature of water for bathing of beverage in real time, can be used for the Temperature displaying of low cost.And have can following the trail of of memory function to show event in history and the extreme value shown in Memory Process or integrated value.As recorded mxm., record minimum, log history exceeds the integrated value of certain temperature.Different intelligent article code has different application in respective field.
Wherein be coded in the fields such as cold flow tracking with the responsive to temperature type intelligent article of memory function material and have good application prospect.Typical application scenarios is such as: complete in commodity production, or detected, and after entering freezer, this responsive to temperature type intelligent article of labeling is encoded; In the process of circulation, if these article are in freezing state always, then the label of commodity that consumer takes is that non-color status is (as CuSO
4white); If these article, in the process of circulation, be once in the state of thawing, then the label of commodity that consumer takes is color status (blueness as Salzburg vitriol), so, stronger indicative function can be played.Meanwhile, this process is usually irreversible, at least when not damaged former bar code printing packaging, so, stronger putting can be played and distort function.
Responsive to temperature type intelligent article coding comprises fusing point type responsive to temperature type intelligent article coding, namely below the melting temperature of this material, material is graininess, substantially do not react between polycomponent, or this reaction occurs over just particle surface, reactivity is extremely low, and long-term this material that keeps is below fusing point, then this bar code keeps original chemical composition and physical characteristics.Once this material is in more than fusing point, then this portion of material particle will melt, and formed liquid, simultaneous temperature rises, and reactivity is strengthened, and will react rapidly between polycomponent, its chemical composition and physics change.Wherein, the temperature sensitive component used in the simplest fusing point type intelligent article coding is ice particle, to grade composition by increasing salt in ice particle, and the fusing point that can change ice, between-20 DEG C to+10 DEG C, is particularly suitable for food product refrigeration and transports and the monitoring of Refrigerated Transport.
As first embodiment of the present utility model, a kind of responsive to temperature type intelligent article coding for cold chain tracking comprises interconnective temperature variation cog region 1 and product type cog region 2, and described temperature variation cog region comprises interconnective color layer 1-1 and marker 1-2.Described color layer 1-1 comprises developer, and described marker 1-2 comprises indicator, and described indicator comprises the solid particle containing iodine, and the described solid particle containing iodine is ground after-80 DEG C of quick-frozens by the chloroformic solution of iodine, and described developer comprises starch.When temperature reaches-63.5 DEG C, the described solid particle containing iodine dissolves, and makes starch generation chromogenic reaction.
As second embodiment of the present utility model, a kind of responsive to temperature type intelligent article coding for cold chain tracking comprises interconnective temperature variation cog region 1 and product type cog region 2, and described temperature variation cog region comprises interconnective color layer 1-1 and marker 1-2.Described color layer 1-1 comprises developer, and described marker 1-2 comprises indicator, and described indicator comprises the ice crystal of sodium chloride solution, and described developer comprises anhydrous cupric sulfate.When temperature reaches-10 DEG C, the ice crystal of described sodium chloride solution dissolves, and makes anhydrous cupric sulfate generation chromogenic reaction.
As the 3rd embodiment of the present utility model, a kind of responsive to temperature type intelligent article coding for cold chain tracking comprises interconnective temperature variation cog region 1 and product type cog region 2, and described temperature variation cog region comprises interconnective color layer 1-1 and marker 1-2.Described color layer 1-1 comprises developer, and described marker 1-2 comprises indicator, and described indicator comprises ice crystal, and described ice crystal is ground by ice cube under lower than the environment temperature of 0 DEG C.Wherein, described developer comprise following in any one: anhydrous cupric sulfate, discolour silica gel and basic fuchsin.The mol ratio of described developer and described ice crystal is 1 ~ 3:1 ~ 5; Preferably, the mol ratio of described developer and described ice crystal is 1:1.The diameter of described ice crystal is 0.5 millimeter-1 millimeter.When temperature reaches 0 DEG C, ice crystal dissolves, and can make anhydrous cupric sulfate, discolour silica gel and basic fuchsin generation chromogenic reaction.
As the 4th embodiment of the present invention, a kind of responsive to temperature type intelligent article coding for cold chain tracking comprises interconnective temperature variation cog region 1 and product type cog region 2, and described temperature variation cog region comprises interconnective color layer 1-1 and marker 1-2.Described color layer 1-1 comprises developer, described marker 1-2 comprises indicator, described indicator comprises the first component indicator and second component indicator, wherein, described first component indicator comprise following in any one: acetic acid and formic acid, described second component indicator comprise following in any one: cyclohexanol, tertiary butyl alcohol and 1,2,3-glycerine, described developer comprises anhydrous cupric sulfate.When temperature reaches 10 DEG C, described first component indicator and described one of them component of second component indicator or two components are all fused into liquid state, and described first component indicator and second component indicator react, and generate water.The water generated and developer anhydrous cupric sulfate generation chromogenic reaction.
As the 5th embodiment of the present invention, a kind of responsive to temperature type intelligent article coding for cold chain tracking comprises interconnective temperature variation cog region 1 and product type cog region 2, and described temperature variation cog region comprises interconnective color layer 1-1 and marker 1-2.Described color layer 1-1 comprises developer, and described marker 1-2 comprises indicator, and described indicator comprises paraffin particles, and wherein, be sealed with water in described paraffin particles, described developer comprises anhydrous cupric sulfate.When temperature reaches 47-64 DEG C, described paraffin dissolves, in paraffin water-soluble go out, make the generation chromogenic reaction of anhydrous cupric sulfate.
The responsive to temperature type intelligent article coding for cold chain tracking that the utility model provides at least can make cold chain realize tracing management.
Do detailed explanation to the temperature variation cog region 1 of the responsive to temperature type intelligent article coding followed the trail of for cold chain of each temperature spot below, the preparation method of product type cog region 2 had both comprised the method that prior art provides, and also comprised the method that WeiLai Technology provides.
Wherein, a kind of indicator of the responsive to temperature type intelligent article coding for cold chain tracking comprises anhydrous cupric sulfate, and described indicator is formed at a certain temperature or generates aqueous water, thus the color of described anhydrous cupric sulfate is changed.
Described formation refers to physical reactions, and the solid-state ice crystal as embodiment 3 changes aqueous water into, or as aqueous water in embodiment 2 be separate out in ice crystal by sodium chloride saturated solution, or as aqueous water in embodiment 5 be when outflow after melted paraffin wax.
Described generation refers to chemical reaction, generates aqueous water after the bi-material as indicator comprises under given conditions in embodiment 4 reacts.
Embodiment 1
There is provided a kind of intelligent article coding that chromogenic reaction occurs at-63.5 DEG C: described indicator comprises the solid particle containing iodine, and the described solid particle containing iodine is ground after-80 DEG C of quick-frozens by the chloroformic solution of iodine, and described developer comprises starch.Its principle is, the chloroform fusing when environment temperature is-63.5 DEG C, now elemental iodine is separated out, thus is able to and starch generation chromogenic reaction.
The responsive to temperature type intelligent article coding followed the trail of for cold chain according to a kind of preferred implementation of the present utility model according to Fig. 1, the method for making of its temperature variation cog region 1, comprises step successively:
S1001 makes the chloroformic solution of iodine: the fusing point of chloroform is-63.5 DEG C, at the temperature higher than chloroform fusing point (as-60 DEG C), iodine is dissolved in chloroform, makes the chloroformic solution of iodine, wherein, and iodine: chloroform=0.5:100 (mass ratio).
The step of S1002 quick-frozen and grinding: under liquid nitrogen temperature, the chloroformic solution of the iodine namely obtained by step S1001 under the environment temperature of-80 DEG C carries out quick-frozen, is ground into powder particle afterwards thus makes the solid particle containing iodine.Wherein, this particle diameter is 10 microns-1000 microns.
The step of the starch granules that S1003 is dried: starch granules oven dry is less than <1% to moisture, and makes the particle diameter of starch granules remain on 2-100 micron.
S1004 blend step: the solid particulate matter and starch granules that contain iodine are thoroughly mixed to form two parts of suspensions respectively with liquid nitrogen for subsequent use.Wherein, be 1 ~ 10:1 ~ 10 containing the solid particulate matter of iodine and the weight ratio of starch granules.Preferably, when being 1:1 containing the solid particulate matter of iodine and the weight ratio of starch granules, the chromogenic reaction of described intelligent article coding is the sensitiveest.Liquid nitrogen in right amount.
Here suspension will choose liquid nitrogen, mainly temperature requirement, and namely the fusing point of the liquid of suspension will lower than above material, and substantially soluble, after printing, is heated to the temperature that liquid nitrogen can volatilize, as about-80 DEG C.
In use, for avoiding being reduced by iodine in air, or the starch moisture absorption, need carry out suitable safeguard measure to this material, as adopted polybag or other vacuum means air-isolations.
The step of S1005 intelligent article code printing: two parts of suspensions S1004 step be prepared into inject different print cartridges, print color layer 1-1 and marker 1-2 respectively by printer, thus obtain the temperature variation cog region 1 of the described responsive to temperature type intelligent article coding for cold chain tracking.
According to the responsive to temperature type intelligent article coding followed the trail of for cold chain that said method is prepared, can be used for anti-thaw tracking, biological Embryo storage, and the deep-frozen food of freezer is prevented thawing throughout the year.
Embodiment 2
Be provided in the intelligent article coding that-10 DEG C chromogenic reaction occurs: described indicator comprises the ice crystal of sodium chloride solution, and described developer comprises anhydrous cupric sulfate.Its principle is, when environment temperature is-10 DEG C, sodium chloride melts, and now elutriation goes out, thus is able to and anhydrous cupric sulfate generation chromogenic reaction.
The responsive to temperature type intelligent article coding followed the trail of for cold chain according to a kind of preferred implementation of the present utility model according to Fig. 2, the method for making of its temperature variation cog region 1 comprises step:
S2001 makes the step of sodium chloride solution: will analyze pure sodium chloride and distilled water mixing, and be mixed with the sodium chloride solution of 0.1mol/l.
The step of S2002 quick-frozen and grinding: the sodium chloride solution prepared by step S2001 quick-frozen under the environment temperature of-30 DEG C, is ground into powder particle afterwards thus makes solid particle of sodium chloride.Wherein, this particle diameter is 10 microns-1000 microns.
S2003 makes the step of suspension: anhydrous cupric sulfate and solid particle of sodium chloride are fully mixed and made into two parts of suspensions with absolute ethyl alcohol respectively, for subsequent use.Wherein, the weight ratio of anhydrous cupric sulfate and solid particle of sodium chloride is 1 ~ 10:1 ~ 10.Preferably, when the weight ratio of described anhydrous cupric sulfate and solid particle of sodium chloride is 1:1, the chromogenic reaction of described intelligent article coding is the sensitiveest, and absolute ethyl alcohol in right amount.
The step of S2004 intelligent article code printing: two parts of suspensions S2003 step be made inject different print cartridges, print color layer 1-1 and marker 1-2 respectively by printer, thus obtain the temperature variation cog region 1 of the described responsive to temperature type intelligent article coding for cold chain tracking.
According to the responsive to temperature type intelligent article coding followed the trail of for cold chain that said method is prepared, can be used for frozen type food and prevent thawing.
Embodiment 3
There is provided a kind of intelligent article coding that chromogenic reaction occurs at 0 DEG C: described indicator comprises ice crystal, described ice crystal is formed by ice cube grinding under lower than the environment temperature of 0 DEG C.Described developer comprise following in any one: anhydrous cupric sulfate, discolour silica gel and basic fuchsin.
Basic fuchsin is the crystallization of green metal gloss, and be dissolved in ethanol and amylalcohol, be slightly soluble in water, solution takes on a red color, and is insoluble to ether; Maximum absorption wavelength (in ethanol) 543nm (ε 93000).
Discolour silica gel is exactly in silica gel, add some inorganic salts with water of crystallization, a small amount of silicon dichloride, as cobalt salt.Be exactly state when losing water of crystallization time anhydrous be blue, state when being exactly water of crystallization during water suction is pink.Discolour silica gel can recycle.After having color to change, can toast in drying box, make it get back to anhydrous state and just can continue to employ.
The mol ratio of described developer and described ice crystal is 1 ~ 3:1 ~ 5; Preferably, when the mol ratio of described developer and described ice crystal is 1:1, the chromogenic reaction of described intelligent article coding is the sensitiveest.
The diameter of described ice crystal is 0.5 millimeter-1 millimeter.
The responsive to temperature type intelligent article coding followed the trail of for cold chain according to a kind of preferred implementation of the present utility model according to Fig. 3, the method for making of its temperature variation cog region 1 comprises step:
S3001 makes the step of ice crystal: in the environment of temperature lower than 0 DEG C, ice cube is ground to form the ice crystal that diameter is 0.5-1 millimeter.
S3002 makes the step of suspension: anhydrous cupric sulfate and ice crystal are mixed to form two parts of suspensions respectively with absolute ethyl alcohol.Wherein, the mol ratio of described anhydrous cupric sulfate and described ice crystal is 1 ~ 3:1 ~ 5; Preferably, when the mol ratio of described anhydrous cupric sulfate and described ice crystal is 1:1, the chromogenic reaction of described intelligent article coding is the sensitiveest.Described absolute ethyl alcohol in right amount.
The step of S3003 intelligent article code printing: two parts of suspensions are injected different print cartridges, print color layer 1-1 and marker 1-2 respectively by printer, thus obtain the temperature variation cog region 1 of the described responsive to temperature type intelligent article coding for cold chain tracking.
Alternatively, above preparation method is equally applicable to select discolour silica gel or basic fuchsin as in the intelligent article coding of developer.
According to the responsive to temperature type intelligent article coding followed the trail of for cold chain that said method is prepared, can be used for 0 DEG C of preservation food and prevent thawing.
Embodiment 4
There is provided a kind of intelligent article coding that chromogenic reaction occurs at 10 DEG C: described indicator comprises the first component indicator and second component indicator, wherein, described first component indicator comprise following in any one: acetic acid and formic acid, described second component indicator comprise following in any one: cyclohexanol, tertiary butyl alcohol and 1,2,3-glycerine.Described developer comprises anhydrous cupric sulfate.
Wherein, described first component indicator and described second component indicator are solid-state at the temperature lower than respective fusing point, substantially do not react when not heating, but after wherein any one component or two components are all fused into liquid state, described first component indicator and second component indicator react, and generate water.The water generated and developer anhydrous cupric sulfate generation chromogenic reaction.
A kind of responsive to temperature type intelligent article coding followed the trail of for cold chain of preferred implementation, the method for making of its temperature variation cog region 1 comprises step:
S4001 indicator preparation process: at low temperatures (at the temperature namely lower than the fusing point of each component indicator), described first component indicator and described second component indicator are ground to form solid particle respectively, grain size: 10 microns-1000 microns, then the amount being 1:1 according to COOH base and OH base mol ratio mixes, and forms indicator mixture.
S4002 blend step: the described indicator mixture formed S4001 preparation and described anhydrous cupric sulfate are mixed and made into two parts of suspensions respectively with solvent.Wherein, the weight ratio of described indicator mixture and described anhydrous cupric sulfate is 1 ~ 10:1 ~ 10.Preferably, when the weight ratio of described indicator mixture and described anhydrous cupric sulfate is 1:1, the best results of chromogenic reaction.
The step of S4003 intelligent article code printing: two parts of suspensions S4002 step be prepared from inject different print cartridges, print color layer 1-1 and marker 1-2 respectively by printer, thus obtain the temperature variation cog region 1 of the described responsive to temperature type intelligent article coding for cold chain tracking.
Wherein, the preparation of suspension can select absolute ethyl alcohol to be solvent, and the weight of absolute ethyl alcohol in right amount.
According to the responsive to temperature type intelligent article coding followed the trail of for cold chain that said method is prepared, can be used for refrigeration fruits and vegetables and prevent leaving refrigeration.
Embodiment 5
There is provided a kind of intelligent article coding that chromogenic reaction occurs at 47-64 DEG C: the intelligent article coding provided for the present embodiment, described indicator comprises paraffin particles, wherein, is sealed with water in described paraffin particles.Described developer comprises anhydrous cupric sulfate.Its principle is, when environment temperature is 47-64 DEG C, melted paraffin wax, is sealed in current in paraffin out, thus is able to and anhydrous cupric sulfate generation chromogenic reaction.
A kind of responsive to temperature type intelligent article coding followed the trail of for cold chain of preferred implementation, the method for making of its temperature variation cog region 1 comprises step:
S5001 makes the step of ice crystal: in the environment of temperature lower than 0 DEG C, ice cube is ground to form the ice crystal that diameter is 0.5-1 millimeter.
S5002 wraps up ice crystal, grinding steps in paraffin: the crystal ice granule produced by step S1501 wraps up in paraffin, described paraffin is ground to form the paraffin particles that diameter is the parcel ice crystal of 1.5-1.8 millimeter afterwards.
Paraffin is also known as crystalline wax, and the normally waxy solid of white, colorless and odorless, 47 DEG C-64 DEG C fusings, density is about 0.9g/cm
3.
S5003 blend step: the paraffin particles of parcel ice crystal and anhydrous cupric sulfate are prepared into two parts of suspensions respectively, for subsequent use.Wherein, the weight ratio of the paraffin particles of anhydrous cupric sulfate and parcel ice crystal is 1 ~ 10:1 ~ 10.Preferably, when the weight ratio that described anhydrous cupric sulfate and chlorine wrap up the paraffin particles of ice crystal is 1:1, the chromogenic reaction of described intelligent article coding is the sensitiveest.This suspension can select absolute ethyl alcohol as solvent, and absolute ethyl alcohol in right amount.
The step of S5004 intelligent article code printing: two parts of suspensions are injected different print cartridges, print color layer 1-1 and marker 1-2 respectively by printer, thus obtain the temperature variation cog region 1 of the described responsive to temperature type intelligent article coding for cold chain tracking.
It should be noted that, the method for making of the responsive to temperature type intelligent article encoded temperature change cog region of following the trail of for cold chain that the utility model provides not only comprises that above embodiment provides, and also comprises the method for making of the bar code that prior art provides and WeiLai Technology provides.
In order to verify the reliability of the responsive to temperature type one dimension intelligent article coding for cold chain tracking that the utility model provides further, inventor has also done corresponding test and has verified:
Sensory test
Inventor's Stochastic choice 10 people verify the intelligent article coding generated according to embodiment 1-5 preparation.Test specimen is divided into 2 groups, and one group is the product through thawing, and one group is the product without thawing, and is encoded respectively estimate to judge that whether this product is through thawing by above 10 people to the intelligent article of this two set product.After range estimation, 10 people have all accurately judged the temperature of whether thawing and thawing of test product.
Colour test
The temperature of 5 temperature-controlled boxs is adjusted under the fusing point of the indicator of each material in embodiment 1-5 by inventor, and the intelligent article coding then provided by embodiment 1-5 is inserted in corresponding temperature-controlled box, and above bar code is without chromogenic reaction; Temperature to be adjusted on fusing point 10 DEG C, to wait for 2 hours, 5 intelligent articles codings all there occurs obvious chromogenic reaction.
Fig. 3 shows the structural representation of the responsive to temperature type list warm area two dimension intelligent article coding for cold chain tracking according to a kind of preferred implementation of the present utility model.In this intelligent article coding, be provided with product type cog region and temperature variation cog region, its temperature variation state can be judged by the color change of Quick Response Code in temperature variation cog region.
Generally speaking, the responsive to temperature type intelligent article coding for cold chain tracking that the utility model provides compared with prior art has the following advantages:
First, this series technique, principle is simple, technology maturation, can application wide, with low cost, one-time investment is little, and anti-counterfeit capability is strong, can realize unattended overall process and review, have extraordinary application prospect and promotion prospect.In conjunction with other means of food safety management, can effectively solve the most insoluble problem of field of food safety.
Secondly, this engineering department realizes unmanned, and overall process is reviewed, and any one link goes wrong, and this bar code develops the color, and irreversible.
Again, project one-time investment is little, only needs newly to purchase a Special bar code printing machine on a production line, and also can share a printer by multiple enterprises, directly buying is printed on the label of temperature-sensitive intelligent article coding.
In addition, review cost low, trace back process does not need to increase hardware device, only needs upgrade software.
Further, consumables cost is low, and each bar code material usage is about 500 milligrams, and the consumptive material of every ten thousand bar codes is only 5 kilograms, and namely the cost control of each bar code is at several Renminbi of sharing money, not higher than existing bar code, well below equipment such as RFID.
Finally, consumptive material storage is convenient, only needs the storage condition same with treating track articles, and meanwhile, this intelligent article coding has stronger anti-counterfeiting resistance, forges this label difficulty, forges cost far above merchandise cost several times.
It should be noted, above-described embodiment is described the utility model instead of limits the utility model, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word "a" or "an" before being positioned at element is not got rid of and be there is multiple such element.Word first, second and third-class use do not represent any order.Can be title by these word explanations.
Claims (8)
1. the responsive to temperature type intelligent article coding followed the trail of for cold chain, is characterized in that: comprise interconnective temperature variation cog region (1) and product type cog region (2),
Described temperature variation cog region (1) comprises interconnective color layer (1-1) and marker (1-2).
2. the responsive to temperature type intelligent article coding followed the trail of for cold chain according to claim 1, it is characterized in that: described color layer (1-1) comprises developer, described marker (1-2) comprises indicator,
The described indicator of described marker (1-2) melts at a certain temperature, and makes changing of the described developer color of described color layer (1-1).
3. the responsive to temperature type intelligent article coding followed the trail of for cold chain according to claim 2, it is characterized in that: described developer comprises anhydrous cupric sulfate, described indicator is formed at a certain temperature or generates aqueous water, thus the color of described anhydrous cupric sulfate is changed.
4. the responsive to temperature type intelligent article coding followed the trail of for cold chain according to claim 3, it is characterized in that: described specified temp comprises-10 DEG C, described indicator comprises the ice crystal of sodium chloride solution.
5. the responsive to temperature type intelligent article coding followed the trail of for cold chain according to claim 3, it is characterized in that: described specified temp comprises 0 DEG C, described indicator comprises ice crystal, and described ice crystal is ground by ice cube under lower than the environment temperature of 0 DEG C.
6. the responsive to temperature type intelligent article coding followed the trail of for cold chain according to claim 5, it is characterized in that: the diameter of described ice crystal is 0.5 millimeter-1 millimeter, the mol ratio of described developer and described ice crystal is 1 ~ 3:1 ~ 5; Preferably, the mol ratio of described developer and described ice crystal is 1:1.
7. the responsive to temperature type intelligent article coding followed the trail of for cold chain according to claim 3, is characterized in that: described specified temp comprises 47-64 DEG C,
Described indicator comprises paraffin particles, wherein, is sealed with water in described paraffin particles.
8. the responsive to temperature type intelligent article coding followed the trail of for cold chain according to claim 2, it is characterized in that: described specified temp comprises 0 DEG C, described indicator comprises ice crystal,
Described developer comprise following in any one: discolour silica gel and basic fuchsin.
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| CN105303961A (en) * | 2015-10-28 | 2016-02-03 | 常州大学 | Anti-counterfeiting structure based on chemical reaction color changing |
| CN105698960A (en) * | 2016-03-19 | 2016-06-22 | 金陵科技学院 | Temperature measuring device for maintenance routing inspection of industrial safety facilities and routing inspection method thereof |
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| CN106057069A (en) * | 2016-08-10 | 2016-10-26 | 常州大学 | Anti-counterfeiting structure capable of changing colors by aid of chemical reaction |
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| CN109084504A (en) * | 2018-07-30 | 2018-12-25 | 安徽新梦想农产品冷链仓储有限公司 | A kind of rapid freezing method for ice cube discoloration |
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