EP3799754B1 - Chaussure pour refroidir et chauffer le pied d'un utilisateur - Google Patents

Chaussure pour refroidir et chauffer le pied d'un utilisateur Download PDF

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Publication number
EP3799754B1
EP3799754B1 EP20199948.9A EP20199948A EP3799754B1 EP 3799754 B1 EP3799754 B1 EP 3799754B1 EP 20199948 A EP20199948 A EP 20199948A EP 3799754 B1 EP3799754 B1 EP 3799754B1
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EP
European Patent Office
Prior art keywords
layer
insole
footwear according
sole
heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20199948.9A
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German (de)
English (en)
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EP3799754A1 (fr
Inventor
Teófilo Óscar RIBEIRO GONÇALVES LEITE
Sónia Isabel MATOS SILVA
Joana Catarina TORRES PIMENTA
Filipe Cerqueira Da Silva
José Joaquim POÇAS GONÇALVES
Helena Filipa DA CUNHA FERNANDES
João MOREIRA FERRAZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Icc Industrias E Comercio De Calcado Sa
Original Assignee
Icc Industrias E Comercio De Calcado Sa
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Publication of EP3799754A1 publication Critical patent/EP3799754A1/fr
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Publication of EP3799754B1 publication Critical patent/EP3799754B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/005—Footwear with health or hygienic arrangements with cooling arrangements
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/003—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material
    • A43B17/006—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material multilayered
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/02—Footwear with health or hygienic arrangements with heating arrangements 
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
    • A43B7/082—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures the air being expelled to the outside

Definitions

  • the present description concerns a footwear for heating and cooling a user's foot, method of operation and uses thereof.
  • the footwear comprises two thermal regulation systems, namely, a heating system and a cooling system, fully integrated into the footwear structure through an insole and a sole.
  • GORE TEX ® SURROUND ® Technology channels the heat and humidity of the feet in all directions (360° breathing capacity) through a microporous membrane and channels present in the sole.
  • the GORE TEX ® membrane provides impermeability and resistance to some chemicals.
  • KR101451719B1 presents a shoe insole having automatic cooling and heating function, which automatically performs a cooling or heating function in accordance to a wearers walking.
  • the shoe insole system having an automatic cooling and heating function comprises: the insole main structure, including an insole member and an adhesive sheet, wherein the insole member includes a heel having a predetermined height to install a blower unit, a recess corresponding to the shape of the blower unit, having an open lower part to accommodate said blower unit in the heel, and the adhesive sheet cut into a shape corresponding to the insole member and attached to a lower open part of the insole member; and the blower unit, which includes a power supply part integrated in the heel of the insole main structure, a walking-sensitive part for its detection and to block or allow an output from the power part, a cooling part to generate cold air and a heating part.
  • the operation to automatically drive the cooling part or the heating part is done in accordance to the detection of the user's foot.
  • the shoe insole can selective
  • KR101742601B1 describes a shoe insole having a cooling and heating function.
  • the shoe insole comprises the following: an insole body inserted into a shoe, supporting the sole of the user's foot; a cooling and heating device installed on the insole body to cool or heat the inside of the shoe, using a thermoelectric element; and an ventilation unit extended from the insole body, which allows the release of heat or cold generated by the thermoelement.
  • EP3287031B1 refers to an insole for controlling and adjusting the temperature of the foot.
  • Said insole comprising, from top to bottom: - a first heat-conductive layer, made of fabric; - a second heat insulating layer comprising a Peltier module, wherein said Peltier module comprises a first surface and has a predetermined polarity such that, when the Peltier module is turned on, the first surface of the Peltier module is heated or cooled; - a third heat-dissipating layer, comprising an accelerometer and a control unit connected to said accelerometer and to said Peltier module.
  • Said insole further comprises a first flexible printed circuit, configured to measure the temperature of the foot through at least a first temperature sensor, and the temperature of the first surface of the Peltier module, through another temperature sensor.
  • Said accelerometer is configured to detect an acceleration, and send a signal to the control unit, communicating whether or not an acceleration has been detected in a predetermined period of time, and said control unit is configured, at least, to: - acquire the temperature value detected by the first temperature sensor; - compare the temperature value, detected by the first temperature sensor, with a predetermined temperature range, comprised between the predetermined first and second temperature thresholds; - turn on the Peltier module, when said temperature value is less than the first temperature threshold or greater than the predetermined second temperature threshold; or turn on the Peltier module and reverse the predetermined polarity of the Peltier module, via said H-bridge, when said temperature value is greater than the predetermined second temperature threshold, or less than the predetermined first temperature threshold; - acquire the temperature value detected by said first temperature sensor; - compare said temperature value acquired from said temperature sensor
  • document KR101451719B1 presents a forced air-based cooling system, using fans, promoting only the air circulation and not active cooling, as proposed in the present embodiment.
  • the present disclosure refers to footwear having cooling and heating systems of the feet comprising an insole, with a heating system and a cooling system, and a sole.
  • Said insole comprises a heating system comprising circuits composed of resistive elements (inks) in the materials that constitute said insole which, by Joule effect, will convert electrical current into heat.
  • insole comprises a heating system comprising circuits composed of resistive elements (inks) in the materials that constitute said insole which, by Joule effect, will convert electrical current into heat.
  • the insole further comprises a cooling system comprising the integration of Peltier modules in the structure thereof.
  • the structure of said insole is multilayered and comprises a thermally conductive layer; a thermal insulating layer and a dissipating layer.
  • This structure is integrated in the sole of the footwear, and further comprises fans and channels for the release of the hot air generated.
  • the Peltier module is used to promote cooling, and also comprises the use of a printed heating system, which can present customizable geometries and, also, areas with different temperatures, promoting a more efficient and personalized heating for the user.
  • the use of printed heating systems allows for longer battery life, as these systems have a lower energy consumption compared to Peltier modules.
  • the Peltier module can have dimensions between 15x15 - 40x40 mm (width ⁇ length), with thicknesses that can vary between 2.5 - 3.5 mm.
  • the system presented is autonomous since by detecting the presence of movement it activates the heating/cooling systems, according to what the user has previously defined through the mobile application.
  • the present invention is defined by a footwear for cooling and heating a user's foot having an insole, according to the appended claim 1.
  • the printed heating system comprises: a finishing layer; a printed circuit with resistive inks and a polymeric layer, wherein the printed circuit is integrated in the polymeric layer for receiving the finishing layer on top thereof.
  • the finishing layer is a film for protecting the printed circuit.
  • control module comprises a voltage regulation circuit, a USB or coil charging module for inductive charging.
  • the forced air mechanism may include fans or valve systems and pumping chambers.
  • the forced air mechanism comprises a metal dissipating block.
  • the dissipating layer may comprise a metal dissipating block; copper-based woven or non-woven fabric, or heat pipes, or combinations thereof.
  • the sole comprises a plurality of channels to force the passage of hot air generated by the Peltier module.
  • the forced air mechanism is a fan with dimensions between 10 ⁇ 10 ⁇ 3.8 mm (width, length and thickness) and 40 ⁇ 40 ⁇ 10 mm, with rotation speeds between 1500 and 4500 rpm, preferably 1700 - 4000 rpm, which may also contain a thermal dissipating block, a pump, fan or suction device, or combinations thereof.
  • the sole comprises a cooling fluid circulation system.
  • the sole comprises a cooling fluid circulation system distributed over the entire area of said sole.
  • the insole comprises a printed heating circuit with resistive inks, sized with a specific geometry for the insole, in order to obtain a uniform heat distribution, said system being directly integrated in a polymeric layer.
  • the sole comprises a control module that contains voltage regulation circuits, USB and/or coil charging circuit for inductive charging, a microcontroller, sensors and power supply dimensioned with a specific geometry and functionality, positioned substantially in the heel area of said sole/insole to activate the heating or cooling system.
  • the footwear comprises a temperature sensor and an accelerometer to activate the control module and a humidity sensor.
  • the heating system comprises a finishing layer, a printed heating circuit and a polymeric layer.
  • the printed circuit is positioned between the finishing layer and the polymeric layer.
  • the layers may have specific characteristics, such as: anti-static, anti-microbial, anti-mycotic, anti-odor, breathability, thermoregulation, high memory capacity, high water absorption and desorption capacity, anti-fatigue and impact absorption.
  • the printed circuit comprises carbon-based conductive inks, graphene-based conductive inks, silver-based conductive inks, silver and copper conductive inks, or combinations thereof.
  • the printed circuit comprises an encapsulation for providing protection against mechanical wear and electrical insulation.
  • the encapsulation is done with dielectric inks, lamination of non-conductive membranes, or combinations thereof.
  • the printed circuit comprises a thickness between 2-55 ⁇ m, preferably between 5-20 ⁇ m.
  • the printed circuit comprises an electrical resistivity between 2-40 ⁇ , preferably between 5-30 ⁇ .
  • the present disclosure refers to footwear for cooling and heating a foot comprising an insole, with a heating system and a cooling system, and a sole (4).
  • Said insole comprises a heating system comprising circuits composed of resistive elements (inks) in the materials that constitute said insole which, by Joule effect, will convert electrical current into heat.
  • insole comprises a heating system comprising circuits composed of resistive elements (inks) in the materials that constitute said insole which, by Joule effect, will convert electrical current into heat.
  • Figure 1 shows a schematic representation of a preferred embodiment where the heating system comprises a finishing layer (1), a printed heating circuit (2) and a polymeric layer (3).
  • the printing of the heating circuit may require a previous treatment of the material, in order to waterproof and standardize the surface thereof.
  • This treatment consists of applying coatings, which can be carried out by two different techniques:
  • the substrates that can be used in the manufacture of insoles can have the following characteristics (for example):
  • circuits are specifically sized for the insole geometry, in order to increase the uniformity of heating in the frontal region of the insole.
  • the printed circuits may include the following materials, with electrical resistivities, preferably between 5 to 30 ⁇ :
  • the thickness of the printed circuit can be comprised between 5-20 ⁇ m (dry).
  • the heating circuit after printing the heating circuit on the base substrate, it is necessary to encapsulate it, in order to protect against mechanical wear and electrical insulation.
  • This insulation can be performed by applying coatings with dielectric inks (by film application technologies such as doctor blade) or by laminating non-conductive membranes (applying pressure and temperature).
  • the electronic components control and power module are inserted in a cavity of the sole, preferably in the region of the heel and properly protected.
  • Figure 2 shows a representation of a preferred embodiment of the footwear with the insole with a cooling system comprising the thermally conductive layer (6); the thermal insulating layer (7) and the dissipating layer (8).
  • Figure 3 shows a preferred embodiment of the insole with a cooling system, based on the integration of Peltier modules (9) in the thermal insulating layer (7), and with fans integrated in the sole (4).
  • Peltier effect is characterized by the production of a thermal gradient, usually between two opposite faces, when subjected to an electrical voltage. In this sense, Peltier devices can produce a cooling and heating effect (simultaneously, on opposite faces).
  • the use of heat spreaders is mandatory.
  • the insole shall consist of a multilayer structure, specifically 3 layers, namely, (order to consider: from surface to base):
  • each face of the Peltier must be fully in contact with the specific face (the face that is in the upper region of the insole in contact with the thermally conductive layer and the face that is in the lower region of the insole in contact with the dissipating layer).
  • a paste, adhesive or thermal sponge can be additionally used for coupling the thermally conductive layer and dissipating layer to the upper and lower faces, respectively, considering the order from surface to base.
  • Figure 4 shows a preferred embodiment of the footwear comprising a sole (4) with a dissipation system of heat generated by the Peltier module (9), wherein the sole (4) comprises a forced air mechanism (10) positioned substantially below the Peltier module (9), and in contact with the third dissipating layer (8).
  • the sole (4) comprises a plurality of channels (11) to force the hot air generated by the Peltier module (9) to pass outside.
  • the present embodiment allows that the system works properly and the sole of the shoe will be optimized so that it promotes the extraction of heat.
  • a forced air mechanism 10
  • a forced air mechanism 10
  • a fan for example a fan
  • the use of a forced air mechanism (10) is provided (for example a fan) that will be positioned at the base of the Peltier (9), in contact with the dissipating layer (8).
  • the forced air mechanism will force the hot air generated by the Peltier, to the outside, through channels created in the sole of the shoe.
  • a cooling fluid circulation system may be included, distributed throughout the entire sole area, and which will be in contact with the Peltier (9).
  • these systems can be integrated simultaneously, or only one of them can be used.
  • the electronic components (control and power supply module) will be inserted in the sole (4), preferably in the heel region.
  • Figures 5 and 6 show a preferred embodiment of the connection schemes for the cooling and heating systems, respectively.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (14)

  1. Chaussure pour refroidir et chauffer le pied d'un utilisateur ayant une semelle intérieure, une semelle et un module de contrôle (5) configuré pour activer le chauffage ou le refroidissement du pied, dans laquelle l'ensemble semelle intérieure/semelle (4) comprend un système de refroidissement indépendant et un système de chauffage indépendant, dans lequel
    la semelle intérieure comprend le système de chauffage et le système de refroidissement et ledit système de refroidissement comprend
    une première couche thermiquement conductrice (6) pour une uniformité de température le long de la semelle intérieure, dans laquelle la partie supérieure de la couche est configurée pour être en contact avec le pied de l'utilisateur ;
    une seconde couche thermique isolante (7) étant en contact avec la partie inférieure de la couche thermiquement conductrice, dans laquelle la partie inférieure de la couche isolante comprend un renfoncement, positionné substantiellement au centre de la sole intérieure et un module Peltier (9) inséré dans le renfoncement ;
    une troisième couche de dissipation de chaleur (8) pour dissiper la chaleur générée par le module Peltier, configurée de façon à entrer partiellement en contact avec ladite seconde couche isolante thermique ;
    dans laquelle ledit système de chauffage est imprimé ;
    dans laquelle la semelle comprend un mécanisme à air pulsé (10) positionné substantiellement sous le module Peltier et en contact avec la couche de dissipation afin d'éliminer activement la chaleur générée,
    dans laquelle le module de contrôle comprend un capteur de température et un microcontrôleur configuré pour diriger le module Peltier et/ou le mécanisme à air pulsé.
  2. Chaussure selon la revendication précédente, dans laquelle le système de chauffage comprend :
    une couche de finition (1) ; un circuit imprimé (2) avec des encres résistives et une couche polymère (3),
    dans laquelle le circuit imprimé est imprimé sur la couche polymère,
    dans laquelle la couche de finition couvre le circuit imprimé.
  3. Chaussure selon la revendication précédente, dans laquelle la couche de finition est un film pour protéger le circuit imprimé.
  4. Chaussure selon l'une quelconque des revendications précédentes, dans laquelle la semelle comprend une pluralité de canaux (11) pour propulser la circulation d'air chaud généré par le module Peltier.
  5. Chaussure selon l'une quelconque des revendications précédentes, dans laquelle le mécanisme à air pulsé comprend un des éléments suivants: un ventilateur, une pompe, une conduite d'air ou un dispositif d'aspiration d'air, des valves, des chambres de pompage, ou des combinaisons de ceux-ci; celle-ci comprenant également préférablement un bloc de dissipation de métal.
  6. Chaussure selon la revendication précédente, dans laquelle la couche de dissipation comprend un bloc de dissipation de métal; tissu tissé ou non tissé à base de cuivre, ou des caloducs, ou des combinaisons de ceux-ci.
  7. Chaussure selon l'une quelconque des revendications précédentes, dans laquelle la semelle comprend un système pour faire circuler un fluide de refroidissement, préférablement configurée pour distribuer le fluide sur toute la surface de la semelle.
  8. Chaussure selon l'une quelconque des revendications précédentes, comprenant également un accéléromètre pour détecter le mouvement du pied.
  9. Chaussure selon la revendication précédente, dans laquelle le capteur de température et l'accéléromètre sont configurés pour activer le module de contrôle.
  10. Chaussure selon l'une quelconque des revendications précédentes, dans laquelle la semelle comprend également un module d'alimentation pour fournir de l'énergie au système de chauffage et de refroidissement.
  11. Chaussure selon la revendication précédente, dans laquelle le module de contrôle et d'alimentation sont disposés dans la zone du talon de la semelle/semelle intérieure.
  12. Chaussure selon l'une quelconque des revendications 2-11, dans laquelle le circuit imprimé du système de chauffage comprend des encres conductrices à base de carbone, des encres conductrices à base de graphène, des encres conductrices à base d'argent, des encres conductrices d'argent et de cuivre, ou des combinaisons de ceux-ci.
  13. Chaussure selon l'une quelconque des revendications 2-12, dans laquelle le circuit imprimé est encapsulé par un matériau d'encapsulation sélectionné à partir d'encres diélectriques, de la lamination de membranes non conductrices, ou de combinaisons de celles-ci.
  14. Chaussure selon l'une quelconque des revendications précédentes, dans laquelle le module de contrôle comprend également un circuit de réglage de tension et un module de chargement USB ou de bobine pour un chargement inductif.
EP20199948.9A 2019-10-02 2020-10-02 Chaussure pour refroidir et chauffer le pied d'un utilisateur Active EP3799754B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT11581219 2019-10-02

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EP3799754A1 EP3799754A1 (fr) 2021-04-07
EP3799754B1 true EP3799754B1 (fr) 2022-04-20

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Publication number Priority date Publication date Assignee Title
WO2023199087A1 (fr) * 2022-04-11 2023-10-19 Rasouli Mojtaba Système d'acquisition d'informations physiologiques de semelle de chaussure intelligente

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR200400525A2 (tr) * 2004-03-16 2005-10-21 �Nsa�Ar Faruk Isıtılabilen ve soğutulabilen ayakkabı ve bot.
PT104357A (pt) * 2009-01-26 2010-07-26 Inocam Solua Es De Manufactura Sistema actuador para controlo activo e autënomo da temperatura no interior do calãado
FR3022121A1 (fr) * 2014-06-11 2015-12-18 Global Brands Associates Dispositif de semelle comprenant des moyens de climatisation
KR101451719B1 (ko) 2014-06-18 2014-10-21 (주)에너펄스 자동 냉각 및 발열 기능이 구비된 신발 깔창
KR101742601B1 (ko) 2016-03-31 2017-06-01 고정찬 냉난방 기능을 가지는 신발용 깔창
IT201600087478A1 (it) 2016-08-26 2018-02-26 Aria S R L Soletta per controllare e regolare la temperatura del piede.

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