EP3738457A1 - Chaussure dotée d'une alimentation en air frais et mode air frais du dispositif d'aération commutable - Google Patents

Chaussure dotée d'une alimentation en air frais et mode air frais du dispositif d'aération commutable Download PDF

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Publication number
EP3738457A1
EP3738457A1 EP19174048.9A EP19174048A EP3738457A1 EP 3738457 A1 EP3738457 A1 EP 3738457A1 EP 19174048 A EP19174048 A EP 19174048A EP 3738457 A1 EP3738457 A1 EP 3738457A1
Authority
EP
European Patent Office
Prior art keywords
shoe
air
valve closing
closing element
servomotor
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.)
Granted
Application number
EP19174048.9A
Other languages
German (de)
English (en)
Other versions
EP3738457B1 (fr
Inventor
Wilhelm Möhlmann
Florian Haupt
Jens Schmidt
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.)
Atmos Airwalk AG
Original Assignee
Atmos Airwalk AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Atmos Airwalk AG filed Critical Atmos Airwalk AG
Priority to EP19174048.9A priority Critical patent/EP3738457B1/fr
Publication of EP3738457A1 publication Critical patent/EP3738457A1/fr
Application granted granted Critical
Publication of EP3738457B1 publication Critical patent/EP3738457B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
    • A43B7/081—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures the air being forced from outside
    • 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
    • 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
    • A43B3/38—Footwear characterised by the shape or the use with electrical or electronic arrangements with power sources
    • 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
    • A43B3/38—Footwear characterised by the shape or the use with electrical or electronic arrangements with power sources
    • A43B3/42—Footwear characterised by the shape or the use with electrical or electronic arrangements with power sources where power is generated by conversion of mechanical movement to electricity, e.g. by piezoelectric means
    • 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
    • A43B3/44—Footwear characterised by the shape or the use with electrical or electronic arrangements with sensors, e.g. for detecting contact or position
    • 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
    • A43B7/084—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes
    • A43B7/085—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes in the upper

Definitions

  • the invention relates to a shoe with a ventilation device, the ventilation device having an air pumping device, an air supply line transporting air from the air pumping device into the interior of the shoe, and an air suction line transporting air into the air pumping device, the air suction line having: a first air suction line with a first suction opening leading to the Suction of fresh air is arranged on the outside of the shoe, a second air suction line with a second suction opening, which is arranged in the interior of the shoe, and a switching device which couples the first and second air suction lines to the air pumping device and which either the first or the second air suction line with at least one suction opening the air pumping device connects.
  • Such a shoe with a ventilation device that can be switched between fresh air supply and circulating air operation is, for example, from the patent application EP 3 106 051 A1 known. It is proposed, inter alia, to use an electromagnetically controllable valve as a switching device for switching from circulating air to fresh air mode and vice versa. This document does not disclose any more details about the configuration of a switching device implemented by means of the electromagnetically controllable valve.
  • the object of the invention is to create a switchover device in a shoe that is suitable for switching between fresh air supply and circulating air operation.
  • this object is achieved in a shoe of the type mentioned at the outset in that the switching device is driven by a servomotor Has valve closing element which is movable between two setting positions when the servomotor is operated, the valve closing element in a first setting position connecting the first air intake line to at least one of the at least one intake opening of the air pumping device and separating the second air intake line from the at least one intake opening of the air pumping device and in a second Adjustment position connects the second air intake line with at least one of the at least one intake opening of the air pump device and separates the first air intake line from the at least one intake opening of the air pump device, the servomotor being connected to the valve closing element via a coupling element and the servomotor and the coupling element being designed so that the Valve closing element is held in the two setting positions without energy consumption.
  • “Maintained without energy consumption” in this context means, on the one hand, that the energy supply to both the servomotor and a control circuit controlling this servomotor can be switched off because no energy supply is required in order to maintain the respective actuating position.
  • the mass of the Closing element and the coupled moving parts of the switching device should be as small as possible in order to minimize forces caused by inertia.
  • This configuration of the switching device with a valve closing element that can be held in the two stable setting positions without energy consumption has the advantage of low energy consumption, so that an energy store (for example a rechargeable battery) that ensures the energy supply can be carried in the shoe.
  • an energy store for example a rechargeable battery
  • valve closing element could for example be a piston guided in a cylinder which, depending on the position, closes or releases openings of the two air intake lines that open into the cylinder.
  • valve closing element could comprise a valve flap in the form of a plate, which is pivoted back and forth and thereby covers an opening of the first air intake line with its one upper side in the first setting position and an opening of the second air intake line with its opposite upper side in the second setting position .
  • the valve closing element is pivotable about an axis and it has a sealing surface, the sealing surface sliding over a bearing surface of a housing when the valve closing element is pivoted, a first opening of the first air intake line and a second opening of the open into the second air intake line, the valve closing element closing the second opening with its sealing surface and releasing the first opening in the first setting position and closing the first opening with its sealing surface and releasing the second opening in the second setting position.
  • This preferred embodiment of the valve closing element allows a structurally simple and thus cost-effective and also robust design of the switching device with little space requirement and low mass.
  • the sliding of the sealing surface on the support surface ensures static friction for better holding the valve closing element in the respective setting positions.
  • the first and the second opening can each also comprise a plurality of partial openings which open into the support surface next to one another and are jointly closed or released by the sealing surface.
  • the coupling element could comprise a transmission.
  • the coupling element is merely a fastening of the valve closing element directly on a shaft of the servomotor, the axis of rotation of the shaft of the servomotor corresponding to the axis about which the valve closing element can be pivoted.
  • the fastening comprises, for example, a bore in the valve closing element in which the shaft is fastened by means of an adhesive connection.
  • the shaft can be provided with teeth or projections which engage in corresponding recesses in the bore of the valve closing element.
  • the servomotor is preferably a miniature DC motor or a miniature stepper motor which is controlled by a control circuit, the control circuit being configured in such a way that the servomotor for moving the valve closing element is controlled until the valve closing element has reached the other setting position.
  • a miniature motor which preferably has maximum dimensions of less than 10 mm, also contributes to the small overall size and low mass of the moving parts.
  • inexpensive miniature DC motors suitable for this application currently for example for vibration units in cell phones) and miniature stepper motors.
  • the control circuit is coupled to a sensor device which generates a sensor signal indicating that the valve closing element has reached the first and second actuating positions.
  • the sensor device comprises, for example, a mechano-electrical converter actuated by the valve closing element or the coupling element.
  • the mechano-electrical converter includes, for example, one or more mechanical limit switches or other position sensors or force or pressure sensors.
  • the sensor device comprises at least one sensor that detects a motor current and / or a motor voltage of the servomotor, with the aid of which a signal dependent on the motor load is generated which indicates that the valve closing element has reached the first and second control position.
  • control circuit is configured in such a way that the servomotor for moving the valve closing element is activated for a predetermined period of time, so that the valve closing element has reached the respective other setting position before or when this period of time has elapsed.
  • the servomotor is a stepper motor and the control circuit is configured in such a way that the stepper motor for moving the valve-closing element is controlled in such a way that it has a predetermined one Rotational position reached such that the valve closing element reaches the first or second setting position.
  • additional sensors attached to the valve closing element can be dispensed with.
  • the second suction opening is arranged in a shaft region of the shoe interior remote from the sole. This also allows an improved lowering of the air humidity in the area of the soles in recirculation mode.
  • a preferred development of the shoe according to the invention is characterized by an energy store for storing the energy required to operate the servomotor and to operate the control circuit, a charging circuit for charging the energy store and an energy generator coupled to the charging circuit for converting mechanical into electrical energy, the energy is obtained by deformation or movement of an element of the energy generator during a running movement.
  • this development enables external connections for charging the energy store to be dispensed with.
  • the energy required for operating the switching device can be obtained entirely by converting the mechanical energy supplied during the running movement.
  • the deformed or moved element of the energy generator, with the aid of which the energy is obtained can for example comprise a permanent magnet moved relative to a coil or a piezoelectric deformation body.
  • the shoe preferably has a temperature sensor, which is coupled to a control circuit of the servomotor, for detecting a temperature at a predetermined point in the interior of the shoe, the control circuit being configured in such a way that when a predetermined temperature is detected in the Shoe interior the servomotor is controlled so that the valve closing element is moved into the first setting position.
  • the control circuit is further configured such that when it detects that a second predetermined temperature in the interior of the shoe is not reached, the servomotor is activated in such a way that the valve closing element is moved into the second setting position. This allows an automated switchover from fresh air supply to recirculation mode and vice versa.
  • a moisture sensor for detecting a moisture value at the specified point in the shoe interior is coupled to the control circuit of the servomotor, the control circuit being configured such that the servomotor is also controlled as a function of the detected humidity value. This improves the automated switching from fresh air supply to circulating air mode and vice versa and increases wearing comfort.
  • FIG 1 shows a schematic side view of a preferred embodiment of the shoe 1 according to the invention.
  • the shoe 1 has a sole construction 2 with an upper 3 mounted thereon. Details of the sole construction 2 of the shoe 1 according to the invention are shown in FIGS Figures 2 and 4th shown.
  • the shoe 1 has a ventilation device with the aid of which, for example, fresh air can be pumped into the shoe interior.
  • the ventilation device comprises an air pumping device 4, which comprises a bellows which is accommodated in a cavity within the sole construction, which has an air intake opening 6 and an air discharge opening and which can be compressed by a load from the wearer's foot and when relieving, i.e. when lifting the Expanded again.
  • each arranged valves which allow the air flow through only in a desired direction.
  • the air pumping device 4 thus pumps the air into the air supply line 5, which is, for example, as shown in FIG Figure 2 is shown, branches within the sole construction 2 and opens into outlet openings to the shoe interior.
  • the ventilation device is designed, for example, as it is in the publication EP 3 318 147 A1 is described. The ventilation device thus uses the alternating load on the sole construction to gradually suck air into the air pumping device 4 via the suction line and from there to pump it further via the air supply line 5 into the interior of the shoe.
  • the air intake line opening into the intake opening 6 has a first air intake line 7 (for example a hose, in particular a plastic hose) with one on the outer wall of the shoe 1 arranged suction opening 8 and a second air suction line 9 (also a hose) with a second suction opening 10 opening into the interior of the shoe.
  • the first air intake line 7 and the second air intake line 9 open into a switchover device 11 which connects either the first or the second air intake line to the intake opening 6 of the air pump device 4.
  • the switching device 11 connects the first air suction line 7 to the line (e.g.
  • the switching device 11 connects the second air intake line 9 to the line leading to the intake opening 6, then air is sucked in from the shoe interior via the intake opening 10 opening into the shoe interior and then fed back again via the air pumping device 4 and the air supply line 5 into the shoe interior, which leads to a recirculation mode.
  • the switchover device 11 comprises a valve closing element driven by a servomotor, which can be moved between two setting positions when the servomotor is actuated, the valve closing element in a first setting position connecting the first air intake line 7 to the intake opening 6 of the air pump device 4 and the second air intake line 9 from the intake opening 6 separates and, in a second setting position, connects the second air intake line 9 to the intake opening 6 and separates the first air intake line 7 from the intake opening 6.
  • the servomotor is operated by an in Figure 2
  • the control circuit 12 shown schematically is controlled and is connected to the control circuit 12 via the control and supply lines 15.
  • a mounted on the heel of the shoe 1 air intake assembly 21 is provided, which the first air intake line 7 with the Intake port 8, the switching device 11 and the control circuit 12 receives.
  • This air intake assembly 21 is fastened during the assembly of the sole construction in such a way that the switching device 11 is coupled to the second air intake line 9 and the line leading to the intake opening 6 of the air pump device 4.
  • FIG 3A shows a schematic representation of the switching device 11, each with a section of the first air suction line 7 attached to it for sucking in fresh air and the second air suction line 9 for sucking in circulating air from the shoe interior.
  • this switching device 11 in contrast to the illustration in FIG Figure 2 shown with its bottom facing up.
  • the switching device 11 shown comprises a housing 13 and a servomotor 14 fastened to the housing with the supply lines 15 to the control circuit 12.
  • FIG 3B shows the in Figure 3A
  • the switching device shown with the housing 13 open.
  • the housing 13 comprises a housing cover 13A and a housing lower shell 13B.
  • the housing cover 13A has a bore onto which a check valve 16 is placed and to which the supply line to the suction opening 6 of the air pump device 4, preferably in the form of a flexible hose, is attached.
  • the hoses of the first air intake line 7 and the second air intake line 9 are plugged onto the lower housing shell 13B.
  • a valve closing element 17 is shown in a first setting position.
  • FIG 3C shows the in the Figures 3A and 3B Switching device 11 shown in an exploded view, in which the hoses of the first air intake line 7 and the second air intake line 9 and the servomotor 14 are pulled out downwards and in which the valve closing element 17 from the lower housing shell 13B and the check valve 16 from the Housing cover 13A are pulled out upwards.
  • a first opening 19 and a second opening 20, into which the first air intake line 7 and the second air intake line 9 open, can be seen in the interior of the lower housing shell 13.
  • the openings 19 and 20 in turn open out on a flat support surface 25 of the lower housing shell 13B.
  • a sealing surface 26 of the valve closing element 17 slides on this support surface 25.
  • the servomotor 14 has a shaft 18 which protrudes into the interior of the housing 13 and on which the valve closing element 17 with the in the Figures 3B and 3C visible hole is attached and fastened.
  • the shaft rotates counterclockwise by a predetermined angle
  • the valve closing element 17 connected to the shaft 18 is pivoted until the sealing surface 26 on the underside of the valve closing element 17 closes the first opening 19 and thereby exposes the second opening 20.
  • the sealing surface 26 slides on the bearing surface 25 of the lower housing shell.
  • the servomotor 19 is a direct current miniature motor which, in one embodiment, is set to rotate either in one direction or in the opposite direction by reversing the polarity of the voltage supply. To reduce the speed of rotation, the motor can use a simple Miniature gears included.
  • the miniature motor is controlled in such a way that the shaft 18 rotates either clockwise or in the opposite direction, so that the valve closing element 17 fastened on the shaft 18 is pivoted until it is in the first or the second setting position on a side wall the lower housing shell 13b strikes. The motor 14 is then switched off, so that the valve closing element 17 remains in the set position it has assumed.
  • control of the motor 14 takes place with a fixed predetermined period of time which ensures complete pivoting of the valve closing element 17.
  • the power of the motor 14 is dimensioned so that on the one hand it is sufficient to overcome any frictional forces, but on the other hand is so low that the motor 14 is braked when the valve closing element 17 hits the side wall of the lower housing shell 13B.
  • the control circuit 17 can have a sensor device for detecting a motor current and / or a motor voltage of the servomotor 14, with the aid of the detected currents and / or voltages being used to generate a signal which is dependent on the motor load and which the Indicates that the valve closing element 17 has reached the first and second set position and, depending on this, switches off the motor 14 when the set position is reached.
  • sensors can be arranged in the housing 13 that detect when the valve closing element 17 has reached the first and second setting positions and transmit corresponding signals to the control circuit 12 so that the servomotor 14 is switched off when the setting positions are reached.
  • the switchover between fresh air supply and recirculation mode takes place as a function of Temperatures and / or humidity values which are recorded by sensors in the shoe interior and / or on the outer area of the shoe.
  • Figure 1 shows schematically a combination of temperature and humidity sensor 22 attached to the heel area of the shoe 1
  • Figure 4 a temperature and humidity sensor 23 is shown schematically in the inner sole of the shoe and is connected to the control circuit 12 via signal lines 24.
  • the switchover from fresh air mode to circulating air mode takes place as a function of a temperature in the interior of the shoe detected by the sensor 23 such that, when a predetermined temperature is detected, the servomotor 14 is controlled in such a way that the valve closing element 17 is moved into the first set position, and that when the temperature falls below a second predetermined temperature, the servomotor 14 is controlled in such a way that the valve closing element 17 is moved into the second setting position.
  • control as a function of the temperature measured in the interior of the shoe control as a function of the moisture measured in the interior of the shoe by the sensor 23 can take place.
  • switching from recirculating air to fresh air operation can be controlled with increasing humidity at a lower temperature measured in the interior.
  • switching from fresh air mode to circulating mode and vice versa can also take place as a function of an outside temperature or, alternatively, solely as a function of a measured outside temperature, in which case the sensor in the shoe interior could be omitted in the latter case.
  • a switch is made, for example, to recirculation mode if the outside temperature falls below a predetermined value at which a fresh air supply would be perceived as unpleasant by the wearer of the shoe.
  • the shoe according to the invention has an energy store, not shown in the figures, for storing the energy required for actuating the servomotor 14 and for operating the control circuit 12, for example a battery or an accumulator.
  • a charging circuit for recharging the fully or partially discharged energy store is preferably also provided.
  • the charging circuit is preferably coupled to an energy generator for converting mechanical into electrical energy.
  • the mechanical energy is obtained by deforming or moving an element of the energy generator during a running movement.
  • the element comprises a permanent magnet and a coil, which are brought into a relative movement to one another with the aid of the running movement and a corresponding gear, with mechanical energy being converted into electrical energy by induction.
  • electrical energy can be obtained with the aid of a deformed piezoelectric element.
  • a further energy generator can also be provided which converts thermal energy into electrical energy, for example by using the temperature difference between the interior of the shoe and the surroundings of the shoe.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP19174048.9A 2019-05-13 2019-05-13 Chaussure dotée d'une alimentation en air frais et mode air frais du dispositif d'aération commutable Active EP3738457B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19174048.9A EP3738457B1 (fr) 2019-05-13 2019-05-13 Chaussure dotée d'une alimentation en air frais et mode air frais du dispositif d'aération commutable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19174048.9A EP3738457B1 (fr) 2019-05-13 2019-05-13 Chaussure dotée d'une alimentation en air frais et mode air frais du dispositif d'aération commutable

Publications (2)

Publication Number Publication Date
EP3738457A1 true EP3738457A1 (fr) 2020-11-18
EP3738457B1 EP3738457B1 (fr) 2021-11-10

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EP19174048.9A Active EP3738457B1 (fr) 2019-05-13 2019-05-13 Chaussure dotée d'une alimentation en air frais et mode air frais du dispositif d'aération commutable

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2658571A (fr) * 1971-03-16 1972-09-21
EP3106051A1 (fr) 2015-06-15 2016-12-21 ATMOS airwalk ag Chaussure équipée d'un dispositif de ventilation électrique
CN106942826A (zh) * 2017-04-20 2017-07-14 景素玲 一种可以电动调节鞋底透气性的鞋子
EP3318147A1 (fr) 2016-11-04 2018-05-09 ATMOS airwalk ag Chaussure comprenant une structure de semelle et un dispositif de pompe à air destiné à injecter de l'air dans l'espace intérieur de la chaussure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2658571A (fr) * 1971-03-16 1972-09-21
EP3106051A1 (fr) 2015-06-15 2016-12-21 ATMOS airwalk ag Chaussure équipée d'un dispositif de ventilation électrique
EP3318147A1 (fr) 2016-11-04 2018-05-09 ATMOS airwalk ag Chaussure comprenant une structure de semelle et un dispositif de pompe à air destiné à injecter de l'air dans l'espace intérieur de la chaussure
CN106942826A (zh) * 2017-04-20 2017-07-14 景素玲 一种可以电动调节鞋底透气性的鞋子

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