SI25996A

SI25996A - Active packaging with heating element

Info

Publication number: SI25996A
Application number: SI202000075A
Authority: SI
Inventors: Aleš Pasarič; Anton Mazij; David VEGEL; Franc Škorja; Leonida Gaberšek; Matej Pelko; Primož Perko; Aškerc Primož Tanšek; Tomaž Pilih; Rok Žgajnar
Original assignee: FRAGMAT TIM d.o.o
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-10-29

Abstract

Predlagani izum se nanaša na aktivno embalažo z grelnim elementom, ki je prvenstveno uporabna kot grelni element za ogrevanje embalirane vsebine, obsegajoč grelno plast za ustvarjanje notranje energije in odbojno plast za odbijanje elektromagnetnega valovanja. Aktivna embalaža z grelnim elementom po izumu obsega izolacijsko plast prednostno iz materiala EPS in na njej razporejeni grelni element, ki obsega zaščitno prevodno plast pod katerim je razporejen fleksibilni grelec, na katerem je razporejena električno prevodna grelna plast, pod katerim je razporejena zaščitna prevodna plast, ki je dodatno opremljena z zaščitno neprevodno plastjo . Nadalje so iz fleksibilnega grelca izpeljani priključki za napajanje, zaradi električnega povezovanja z omrežno napetostjo 220 V.The present invention relates to an active packaging with a heating element, which is primarily useful as a heating element for heating the packaged contents, comprising a heating layer for generating internal energy and a reflective layer for reflecting electromagnetic waves. The active packaging with the heating element according to the invention comprises an insulating layer preferably of EPS material and a heating element arranged thereon, comprising a protective conductive layer under which a flexible heater is arranged, on which an electrically conductive heating layer is arranged, under which the protective conductive layer is arranged. which is additionally equipped with a protective non-conductive layer. Furthermore, power supply connections are made from the flexible heater, due to the electrical connection to the mains voltage of 220 V.

Description

Aktivna embalaža z grelnim elementomActive packaging with heating element

Področje tehnikeField of technology

Predlagani izum se nanaša na aktivno embalažo z grelnim elementom, ki je prvenstveno uporabna kot grelni element, obsegajoč grelno plast za ustvarjanje notranje energije in sevalno plast za odbijanje elektromagnetnega valovanja. Izum spada v področje ogrevanja in gradbeništva (H05B 3/48, A61B 5/00, E04C 1/00).The present invention relates to active packaging with a heating element, which is primarily useful as a heating element, comprising a heating layer for generating internal energy and a radiation layer for reflecting electromagnetic waves. The invention belongs to the field of heating and construction (H05B 3/48, A61B 5/00, E04C 1/00).

Opis tehničnega problemaDescription of the technical problem

Tehnični problem, ki ga predloženi izum rešuje, je izvedba aktivne embalaže v katero je integriran grelni element iz zvijavih vezij s ciljem razvoja embalaže za izdelke z višjo dodano vrednostjo. Prvenstveno gre za fleksibilni laminat, ki je v večini izdelan iz captona oz. PIpolymida, ki se odraža z dobrimi termičnimi lastnostmi kot je obstojnost od -20°C do 400°C ter gaje mogoče dobiti v različnih debelinah (50,70,125 gm). Zaradi dobrih termičnih lastnosti in majhnih debelin predstavlja velik potencial vključevanja teh vezij v embalažne izdelke in izolativne gradnike. Možna je uporaba daljših vezij, ki bi jih lahko vgradili v embalažne izdelke z višjo dodano vrednostjo ter pri tem ne bi bistveno vplivali na povečanje končne debeline izdelka. Grelna embalaža obsega grelno plast za ustvarjanje notranje energije in odbojno plast za odbijanje elektromagnetnega valovanja. Aktivna embalaža na osnovi EPS materiala z vgrajenimi grelnimi elementi omogoča lokalno ogrevanje in monitoring stanja vsebine embalaže. Prednost tega je, da lahko oblikujemo izdelek po meri ter se mu dodaja tehnične elemente glede na želje končnega uporabnika. Tiskana vezja so kompleksni sestavni gradniki, ki se odražajo z visoko kakovostnim električnim signalom ter tako predstavljajo osnovni gradnik končnih izdelkov v zahtevnejših panogah elektronske industrije, ki zajema področja avtomobilske industrije, telekomunikacije, industrijsko elektroniko, zabavno elektroniko, visoko tehnološke izdelke v medicini in splošno v znanosti kot tudi v izdelkih z višjo dodano vrednostjo.The technical problem solved by the present invention is the implementation of active packaging in which a heating element made of twisted circuits is integrated with the aim of developing packaging for products with higher added value. Primarily it is a flexible laminate, which is mostly made of capton or. PIpolymide, which is reflected by good thermal properties such as resistance from -20 ° C to 400 ° C and can be obtained in various thicknesses (50,70,125 gm). Due to its good thermal properties and small thicknesses, it represents a great potential for the integration of these circuits into packaging products and insulating components. It is possible to use longer circuits that could be installed in packaging products with higher added value without significantly affecting the increase in the final thickness of the product. The heating packaging comprises a heating layer for generating internal energy and a reflective layer for reflecting electromagnetic waves. Active packaging based on EPS material with built-in heating elements enables local heating and monitoring of the condition of the packaging contents. The advantage of this is that we can design a custom product and add technical elements according to the wishes of the end user. Printed circuits are complex components that are reflected by a high quality electrical signal and thus represent the basic building block of finished products in more demanding branches of the electronics industry, covering the automotive, telecommunications, industrial electronics, consumer electronics, high-tech medical products and general science as well as in higher value-added products.

Obstoječe stanje tehnikeCurrent state of the art

Grelni element je deloma razkrit na primer z objavami mednarodnih patentnih prijav štev.: US3313921 A - Grelec po izumu obsega cev narejeno iz kremena, z odprtim in zaprtim koncem, plast električne izolacije, ki je prosojna za sevanje in električne uporovne grelne elemente.The heating element is partially disclosed, for example, by the publications of international patent applications no .: US3313921.

ΕΡ3203162Α1 - Izum se nanaša na ogrevalno konstrukcijo za razdelilnike vročega zraka, v kateri se upor prehaja z zračnim tokom in vsaj en prevodni element, povezan s podpornim elementom iz stabilnega termičnega materiala, ki pretvori električno energijo v toploto.ΕΡ3203162Α1 - The invention relates to a heating structure for hot air distributors in which a resistor is passed by an air stream and at least one conductive element connected to a support element made of a stable thermal material that converts electricity into heat.

DE102014108553A1 - Izum se nanaša na grelno ploščo za servirni pladenj z električnimi kontakti na zunanjem robu pladnja. Takšni servirni pladnji so znani v različnih izvedbah. Zlasti so znani servirni pladnji iz plastificiranih plastičnih folij.DE102014108553A1 - The invention relates to a heating plate for a serving tray with electrical contacts on the outer edge of the tray. Such serving trays are known in various embodiments. In particular, serving trays made of plasticized plastic foils are known.

US6713733B2 - Mehak in prožen grelec uporablja električno prevodne niti ali vlakna kot ogrevalni medij. Takšni temperaturni senzorji so lahko izdelani iz električno prevodnih vlaken, kovinskih žic ali vlaknastih optičnih filamentov.US6713733B2 - A soft and flexible heater uses electrically conductive threads or fibers as a heating medium. Such temperature sensors may be made of electrically conductive fibers, metal wires, or fibrous optical filaments.

Vendar te znane rešitev ne izpolnjuje sočasnih zahtev po majhnem volumnu in diskretnosti v prostoru.However, this known solution does not meet the simultaneous requirements of small volume and discretion in space.

Naloga predlaganega izuma je ustvariti aktivno embalažo z grelnimi elementi, uvodoma navedene vrste, s katerim so odpravljene pomanjkljivosti znanih rešitev.The object of the present invention is to create an active packaging with heating elements of the type mentioned in the introduction, which eliminates the shortcomings of the known solutions.

Opis nove rešitveDescription of the new solution

Aktivna embalaža z grelnim elementom je prednostno uporabna za ogrevanje embalirane vsebine. Obsega plosko nosilno plast, ki je na primer izbrana kot elastična ploska plast iz poliimidnega filma (Kapton), na kateri je razporejena električno prevodna grelna plast, na primer kovinska uporovna grelna plast. Proč od omenjene nosilne plasti obrnjena stran omenjene električno prevodne grelne plasti je prekrita z električno neprevodno zaščitno plastjo, na primer iz penjene polimerne sintetične snovi. Dalje je omenjena nosilna plast na svoji prosti strani opremljena z nadaljnjo električno prevodno plastjo, ki ji je v smeri proč od omenjene nosilne plasti prigrajena kot reflektor elektromagnetnega valovanja zasnovana odbojna plast, ki je primeroma izbrana kot aluminijasta folija. Omenjena odbojna plast preprečuje elekromagnetno sevanje z aktivne embalaže v smeri, kjer segrevanje ni zaželeno.Active packaging with a heating element is preferably used for heating the packaged contents. It comprises a flat carrier layer selected, for example, as an elastic flat layer of polyimide film (Kapton) on which an electrically conductive heating layer, such as a metal resistive heating layer, is arranged. The side of said electrically conductive heating layer facing away from said carrier layer is covered with an electrically non-conductive protective layer, for example made of a foamed polymeric synthetic substance. Furthermore, said carrier layer is provided on its free side with a further electrically conductive layer, to which a reflective layer designed as an electromagnetic wave reflector, which is optionally selected as an aluminum foil, is attached in the direction away from said carrier layer. Said reflective layer prevents electromagnetic radiation from the active packaging in a direction where heating is not desirable.

Izum je v nadaljevanju podrobneje opisan na osnovi izvedbenega primera in s sklicevanjem na priloženo skico, kjer kaže sl. 1: Aktivna embalaža z grelnim elementom po izumuThe invention is further described in more detail on the basis of an exemplary embodiment and with reference to the accompanying drawing, in which FIG. 1: Active packaging with a heating element according to the invention

Aktivna embalaža z grelnim elementom po izumu obsega izolacijsko plast 1 prednostno iz materiala EPS in na njej razporejeni grelni element 2.The active packaging with the heating element according to the invention comprises an insulating layer 1, preferably made of EPS material, and a heating element 2 arranged thereon.

Grelni element 2 po izumu obsega zaščitno prevodno plast 3 pod katerim je razporejen fleksibilni grelec 4 prednostno elastična ploska plast iz poliimidnega filma (Kapton), na kateri je razporejena električno prevodna grelna plast, pod katerim je razporejena zaščitna prevodna plast 6, ki ji je v smeri proč od omenjene izolacijske plasti 1 prigrajena kot reflektor elektromagnetnega valovanja zasnovana odbojna plast, ki je dodatno opremljena z zaščitno neprevodno plastjo 7. Nadalje so iz fleksibilnega grelca 4 izpeljani priključki za napajanje 5, zaradi električnega povezovanja z omrežno napetostjo 220 V.The heating element 2 according to the invention comprises a protective conductive layer 3 under which a flexible heater 4 is arranged, preferably an elastic flat layer of polyimide film (Kapton), on which an electrically conductive heating layer is arranged, under which a protective conductive layer 6 is arranged. in the direction away from said insulating layer 1 a reflective layer designed as an electromagnetic wave reflector is additionally equipped with a protective non-conductive layer 7. Furthermore, power supply connections 5 are made from the flexible heater 4, due to electrical connection to 220 V mains voltage.

Claims

PATENT APPLICATIONS

Active packaging with a heating element, characterized in that there is an insulating layer (1) on the upper side, on which a heating element (2) is arranged, under which the flexible heater (4) is coated with a protective conductive layer (6). , which is additionally equipped with a protective non-conductive layer (7) on the underside.

Active packaging with a heating element according to claim I, characterized in that said flexible heater (4) is selected as an elastic flat layer of polyimide film.

Active packaging with a heating element according to Claims 1 to 2, characterized in that the power supply connections (5) are derived from the electrical conductive layer due to the electrical connection to the 220 V mains voltage.

Active packaging with a heating element according to Claims 1 to 3, characterized in that the electrically conductive protective layer (6) is additionally provided with a protective non-conductive layer (7).