EP3471785A1 - Dispositif de diffusion, en particulier de vaporisation, de substances volatiles, en particulier de substances parfumées et/ou actives - Google Patents

Dispositif de diffusion, en particulier de vaporisation, de substances volatiles, en particulier de substances parfumées et/ou actives

Info

Publication number
EP3471785A1
EP3471785A1 EP16731030.9A EP16731030A EP3471785A1 EP 3471785 A1 EP3471785 A1 EP 3471785A1 EP 16731030 A EP16731030 A EP 16731030A EP 3471785 A1 EP3471785 A1 EP 3471785A1
Authority
EP
European Patent Office
Prior art keywords
container
electrical
heating element
area
contact
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.)
Pending
Application number
EP16731030.9A
Other languages
German (de)
English (en)
Inventor
David Dycher
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.)
CTR Lda
Original Assignee
CTR Lda
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 CTR Lda filed Critical CTR Lda
Publication of EP3471785A1 publication Critical patent/EP3471785A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • A61L9/03—Apparatus therefor
    • A61L9/037—Apparatus therefor comprising a wick
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A61L2209/133—Replaceable cartridges, refills

Definitions

  • the invention relates to a device for dispensing, in particular for vaporizing, volatile substances, in particular fragrances and / or active substances, according to the preamble of claim 1.
  • the invention further relates to a container for receiving volatile substances according to the preamble of claim 48.
  • Devices for dispensing, in particular for vaporizing, volatile substances, in particular fragrances and / or active substances, are generally known and as a rule comprise a container in which a substance to be dispensed is received.
  • a wick is arranged as a capillary element, which projects beyond the container with a free wick end and in such a way is in contact with the substance to be dispensed that it is conveyed by means of the capillary action of the wick towards the free wick end.
  • the free wick end is regularly associated with a heating element, in particular an electric heating element, by means of which the free wick end can be subjected to heat in order to release the substance accumulating in the free wick end even faster to the environment or to be able to evaporate.
  • a heating element in particular an electric heating element
  • Such a structure is known for example from WO 98/58692 A1. If the substance absorbed in the container is evaporated, the container is replaced by a new, fresh container in which either the same substance to be evaporated is contained or else another substance to be evaporated may be present.
  • the electric heating element is arranged in these known devices in the interior of the housing and supported there, wherein the electric heating element is regularly formed by a so-called heating block of a ceramic material in which an electrical resistance element is added.
  • the heating block heats up and then releases the heat to the free end area of the wick, which enters the heating block protrudes, so that the suctioned by the wick by the capillary effect substance is evaporated and can escape through the housing into the environment.
  • a device for dispensing, in particular for vaporizing, of volatile substances, in particular of fragrances and / or active ingredients proposed, with a container in which a substance to be dispensed is received or received.
  • at least one capillary element arranged at least partially in the container for example in the form of a wick, is provided which is in contact with the substance to be dispensed and conveys it by capillary action to at least one substance dispensing area, preferably towards at least one substance dispenser.
  • Dispensing area associated outlet opening of the container out promotes.
  • an electrical connection element is provided, by means of which the at least one electrical heating element can be supplied with electrical energy.
  • the at least one electrical heating element is part of the, preferably a separate component or a separate unit forming, container, that the container is detachably connectable to the electrical connection element, and that an electrical contact device is provided by means of at least an electrical heating element is releasably and electrically connectable to the electrical connection element.
  • the at least one electric heating element is no longer part of a housing in which the container is used, but that the at least one heating element is now part of the container itself, said at least one electric heating element of the container Power supply then with, preferably also a separate component or a separate unit forming, electrical connection element is to be connected.
  • the incorporation or integration of the at least one electrical heating element into the container results in new constructional degrees of freedom, for example in that the at least one electrical heating element can be arranged directly adjacent to the capillary element (in a manner described in more detail below) this can be heated in an effective manner by heat conduction in a capillary element to be heated, whereby an optimized evaporation of the substance to be dispensed is achieved at a comparatively lower temperature.
  • an overall relatively compact and physically small construction results, which in turn can advantageously contribute to reducing the overall size and dimension of a device for dispensing volatile substances , Furthermore, this results in a different manufacturing and manufacturing technology, in which the at least one electrical heating element already in the production of the Container is installed, so that can be advantageously reduce the vertical range of manufacture.
  • substance to be dispensed is to be understood here explicitly in a broad sense and includes all substances that can be conveyed by means of the capillary action of a wick as a capillary element.This can, in addition to liquid substances, also be gel-like or other suitable substances.
  • the electrical contact device only has to enable an electrical connection between the at least one electrical component forming part of the container and the electrical terminating element, and furthermore also to enable the releasable connection of these two structural units.
  • the electrical contact device by means of which the at least one electrical heating element is detachably and electrically connectable to the electrical connection element, can therefore be designed in a variety of ways, for example as an electrical contact device, which can be a wireless energy transmission (also known as contactless energy transmission, as wireless power transmission or is referred to as contactless power transmission), in which the electrical energy is transmitted without contact from the electrical connection element to the at least one electrical heating element.
  • the electrical contact device can at least partially be part of the at least one electrical heating element and / or at least partially a component of the electrical connection element.
  • the electrical contact device can be completely part of the at least one electrical heating element or, alternatively, can be completely part of the electrical connection element or, alternatively, can be configured such that a part of the electrical contact device is part of the electrical heating element and a further part the electrical contact device is part of the electrical connection element.
  • the detachable connection between the container and the electrical connection element is partially or completely made by the electrical contact device, which thus in a dual function at the same time the detachable connection and support between the at least one electric heating element and the electric Connection element and further at least in part, the detachable connection between the container and the electrical connection element can produce.
  • the detachable connection between the container and the electrical connection element and / or between the at least one electrical resistance element and the electrical connection element can take place in different ways, wherein a positive connection, in particular a latching connection as positive connection, and / or a frictional connection is preferred.
  • the electrical connection element may have a holding device, by means of which the container is mounted on the electrical connection element.
  • a holding device on the electrical connection element allows easy positioning and mounting of the container in a defined position, for example in the region of at least one electric heating element, whereby a simple electrical contact between the at least one electric heating element and the electrical connection element by means of the electrical contact device is possible, which in turn is advantageous for a compact, physically small construction of the device as a whole.
  • the electrical contact device on the at least one electric heating element arranged and spaced from each other contact elements, which are assigned to the electrical connection element, preferably in the region of a holding device, terminal contacts, by means of which the contact elements are electrically connected in the mounted state ,
  • the container and / or the electrical connection element preferably a holding device of the electrical connection element, at least one stop element, by means of which the container mounted in the Condition is positionable so that the at least one electrical heating element by means of the electrical contact means is electrically connectable or connected to the electrical connection element.
  • the container is positioned in the assembled state due to the at least one stop element so that at least one electrical heating element disposed contact elements of the electrical contact device associated with connection contacts of the electrical connection element and are electrically conductively connected or connected.
  • the electrical connection element preferably has a plug (expressly also comprises a structure with a cable and a plug arranged thereon), by means of which, for example, a connection to an electrical socket is possible.
  • the electrical connection element is formed by a holding device having the plug.
  • the holding device is firmly connected to the plug, for example, is integrally formed on the plug.
  • the electrical connection element is a one-piece component produced, for example, by injection molding. With such a structure, the variety of components is reduced and created a total of inexpensive and easy to produce electrical connection element.
  • the plug can also be rotatably mounted on the electrical connection element.
  • At least one electrical heating element in the container.
  • this can for example be done so that the constituent of the container forming, at least one electric heating element is arranged on the container, preferably on an outer side of the container, and / or on a component of the container that the at least one electric heating element to heat the container and / or to a, at least one electric heating element associated,
  • Schweizerippoenden Kapillarelement Symposium transmits by means of heat conduction.
  • Heat conduction here means a heat transfer in which heat is transferred from an area of higher temperature to a region of lower temperature through contiguous bodies touching each other in a contact area (heat transfer area).
  • Such heating or heating by heat conduction allows a particularly effective and optimized heating of the capillary element region to be heated, and thus optimized dispensing or evaporation of the substance.
  • Particularly preferred is an embodiment in which the at least one electrical heating element in a heat transfer region on the outside of a container wall of the container, in particular flat, is present and / or fixed, preferably in one - for a particularly preferred heat transfer by heat conduction - substantially gap-free or direct contact connection on the outside of the container, in particular flat, rests and / or fixed.
  • the at least one electrical heating element can transmit heat to the container wall directly or by direct contact by means of heat conduction.
  • the container wall is made of a heat-conducting or good heat-conducting material, at least in the heat transfer region.
  • Such an outer arrangement of the at least one electric heating element can be realized in a particularly simple and reliable manner.
  • the at least one capillary element at least in the heat transfer region with a capillary element region to be heated, rests against the inside of the container wall of the container, in particular flat, and / or is fixed, preferably in such a way directly or in an abutment connection or ., gap-free on the inside of the container, in particular flat, rests and / or is determined that the container wall transmits the heat by means of heat conduction to the capillary element area to be heated.
  • heat can be transferred by means of heat conduction from the at least one electrical heating element via the container wall made of a thermally conductive material in the heat transfer area directly and directly to the capillary element or the capillary element region to be heated.
  • the container according to a preferred embodiment on the outer wall or on the outside of the container wall, for example, in the manufacture of the container already formed on the outer wall or molded, container-side support for the at least one electric heating element, with the at least an electrical heating element is mounted on the container.
  • the container-side holder can be formed for example by a formed in the outer wall or on the outside of the container wall of the container, for example, in the manufacture of the container molded into the outer wall, receptacle or recess in which the electric heating element is then received accordingly , And is taken for an optimized heat transfer to the wall of the container preferably fitting or shape and contour adapted.
  • an electrical contact device forming part of the electrical heating element may in principle have at least one flat and / or substantially parallel to the outer wall of the container and / or arranged on the outer wall of the container, preferably platelet-shaped, contact area, which Contact elements, in particular in the form of contact pins or contact elevations having.
  • a concrete embodiment is particularly preferred, in which the electric heating element rests in the receptacle or recess in such a way that the electrical contact device forms a flat and / or platelet-shaped contact region resting on the outer wall of the container with raised contact elements.
  • the electrical contact device can be provided on its raised contact elements having contact area with a cover, preferably with a releasably attachable to the contact surface and / or adhesive cover, through which protrude the contact elements for connection to the terminal contact of the electrical connection element.
  • a cover allows the attachment of a label or a Labeling and / or helps to increase the overall reliability of the device.
  • the at least one electrical heating element can be formed by a, preferably pill-shaped and / or disk-shaped and / or flat, electrical resistance element, which has the electrical contact device or is coupled or connected to the electrical contact device. It is preferably provided here that the electrical contact device is formed by at least one flat contact plate which has one or more contact elements.
  • the electrical resistance element is preferably a PTC resistance element, ie a positive temperature coefficient (PTC) resistor, which has the advantage that it is substantially self-regulating and does not require an electrical control unit to limit the maximum heating current so that there is no risk of overheating ,
  • the holding device of the electrical connection element is preferably designed such that it at least partially surrounds the container at the container outer wall, and preferably surrounds it in the region of the at least one electrical heating element.
  • the holding device can be in a material-saving manner only a U-shaped bracket or even a relatively stable retaining ring, which are preferably against the container itself raved and extend only over a portion of the container or cover only a portion of the container and / or cover.
  • the holding device could also be a pocket-shaped receptacle or the like, in which the container is then correspondingly inserted accordingly.
  • the contact elements which are preferably formed by contact pins or contact elevations, are assigned to the electrical connection element, preferably in the region of a holding device of the electrical connection element, recesses into which the contact elements, in particular for fixing or With-fixation of the container on the electrical connection element, in the assembled state positive, in particular latching, engage and there are each electrically connected to a terminal contact of the electrical connection element.
  • the holding device is formed by a retaining ring, which engages around the insertable in the retaining ring (and retractable) container in the assembled state, and preferably surrounds so that the retaining ring at least partially rests against the container outer wall.
  • the retaining ring to form an elastically resilient wall portion when inserting (and pushing out) of the container, the electrical contact device has raised contact elements, at least partially elastically yielding. This ensures that the retaining ring during insertion of the container into the retaining ring and thereby caused contact of the pins or contact elevations at which the recesses surrounding inner wall portion of the retaining ring elastically rebound at least partially until the contact pins or contact elevations in an engaged position at the level of the recesses lie, in which the rebounded wall portion of the retaining ring springs back to produce the positive connection.
  • Analog applies when pushing out that the contact pins or Kontakeshifteptept get out of engagement with the recesses and thereby in turn reach the contact pins and contact elevations in a system in which the recesses surrounding inner wall portion of the retaining ring, whereby this resiliently springs and the container is disengaged from the retaining ring can.
  • the electric heating element according to a particularly preferred embodiment of the same and in connection with all embodiments of the inventive idea described here, but in particular with a device according to one of claims 1 to 12, be an electrical resistance element and one, preferably the capillary element area to be heated and / or film-like , Have resistance layer as a heating layer.
  • a resistance layer as a heating layer allows, as will be explained in more detail below, a particularly advantageous embodiment of an electrical heating element by a flexible and / or printed resistor.
  • the electrical contact device having the resistive layer connected or connectable leads, with which the electrical connection between the resistive layer and the electrical connection element can be produced.
  • two spaced-apart supply lines may be provided which have an electrical connection to the intermediate resistance layer.
  • the resistance layer itself preferably forms a PTC resistance element, ie a resistance element with a positive temperature coefficient (PTC).
  • PTC positive temperature coefficient
  • Such resistance layers can also be adapted very simply to the size of the capillary element area to be heated, in particular with regard to size and / or dimension, so that a particularly effective heating of the capillary element area to be heated is possible.
  • the resistance layer preferably the resistance layer together with the supply lines, on the one hand directly or alternatively indirectly with the interposition of at least one intermediate layer, preferably at least one intermediate layer of an electrically insulating and / or thermally conductive material, in a heat transfer region on the outside of at least in this area be arranged or applied to a container wall made of heat conductive material.
  • the electric heating element transfers heat by means of heat conduction to the container wall and from there to the capillary element region to be heated
  • the electrical heating element preferably has a carrier layer as a substrate, on which the resistance layer, preferably as a film layer and / or the leads, is applied, wherein it is preferably provided that the carrier layer and the resistive layer and optionally together with the leads to form a total flexible electrical heating element are designed to be flexible.
  • the carrier layer as a substrate allows a particularly advantageous application the resistive layer or the resistive layer together with the supply lines, for example an imprinting, for example in conjunction with a screen printing process.
  • a flexible electrical heating element further allows for a simple system connection to a wide variety of geometries. In addition, the so-formed flexible electric heating element can then be easily, for example, as Metertial. Roll goods are kept, from which the required electrical resistance element can be easily cut to length.
  • the carrier layer forms, according to a particularly preferred embodiment, the at least one intermediate layer.
  • the electrical heating element can also have a, preferably flexible, protective layer, which at least partially shields or covers the resistance layer applied to the carrier layer, preferably the resistance layer applied to the carrier layer, together with the supply lines.
  • the non-necessarily, but preferably flexible, resistive layer is formed by an electrically conductive ink or ink having a resistance function, preferably an ink or ink having a PTC function.
  • a resistive layer can be applied particularly advantageously as a film layer to a carrier layer or onto a container wall region to be heated directly, preferably printed, so that it then forms the desired resistive layer in the dried state.
  • the leads which are not necessarily but preferably flexible, can be formed by electrically conductive, preferably silver, ink or ink having a current-carrying function.
  • the leads are applied directly to a carrier layer or on a Be Strukturniswand Scheme to be heated, preferably printed and dried.
  • the term ink or color is to be understood here in a broad sense and here includes any substance that can be applied in the manner of an ink or paint and then forms the resistive layer or the leads in the dried state.
  • the supply lines forming the electrical contact device or forming part of the electrical contact device may be at least partially a component of the electrical heating element and / or at least partially a component of the electrical connection element. This means that the supply lines can be completely part of the at least one electrical heating element and can then be connected directly or via contact elements with connection contacts of the electrical connection element.
  • the supply lines can also be completely part of the electrical connection element and then connected directly or via contact elements to the resistance layer.
  • the leads can also be designed so that a part of the leads is part of the electrical resistance element and another part of the leads is part of the electrical connection element, which are then connected to each other either directly or via contact elements.
  • the container has, according to a particularly preferred concrete embodiment, a, preferably integrally and / or plate-shaped and / or two-sided formed, pad of a thermally conductive material having a, the capillary element to be heated of the capillary and thus the interior of the container associated inner portion the capillary element region to be heated rests and / or is fastened in a capillary element support region, preferably rests and / or is fastened directly to a thermally conductive thermal contact.
  • the support has an outer portion facing away from the inner side of the capillary element supporting region and thus assigned to the outer region of the container, on which the electrical heating element is arranged and / or fixed for heat-conducting thermal contact, wherein it is preferably provided that a carrier layer of the electrical heating element is connected by lamination with the support.
  • the container may have a protruding, preferably plateau-like, projection, which engages for producing the electrical connection between the electric heating element and the electrical connection element by means of the electrical contact device in a receptacle of the electrical connection element, wherein it is preferably provided that heating element-side supply lines, preferably with these associated contact elements, are electrically conductively connected with opening into the receptacle terminal contacts.
  • this also ensures, above all, a compact structure which is easy to produce in terms of manufacturing technology.
  • the capillary element viewed in the direction of the vertical axis, has an underside of a free end region forming the substance dispensing region, preferably a lower side of an L-leg of a capillary element having an L-shape overall. from above rests on the capillary element support region of the inner portion of the support.
  • the free end region of the capillary element is associated with its upper side at least one container outlet opening, preferably such that it directly adjoins at least one container outlet opening, whereby a functionally reliable delivery of the substance via the container outlet opening is possible.
  • the holding device may according to a particularly advantageous embodiment, for example, have a sliding and / or plug connection, in which a Beiersitiger web engages in a guide slot of the electrical connection element, wherein in the inserted and / or inserted state of the container, the electrical contact means of the at least one electric heating element is electrically connected to the electrical connection element.
  • a sliding and / or plug connection in which a Betechniksitiger web engages in a guide slot of the electrical connection element, wherein in the inserted and / or inserted state of the container, the electrical contact means of the at least one electric heating element is electrically connected to the electrical connection element.
  • the holding device has or forms a housing region which covers the container at least in the region of a container outlet opening, wherein in FIG Cover region is formed at least one housing-side outlet opening.
  • this thus forms in a dual function at the same time also a slim-fitting housing, via which the substance to be dispensed can evaporate into the environment.
  • the guide slot may be formed on the housing by two individual slots, which extend in two mutually spaced transversely to the insertion direction, parallel housing walls each in the insertion direction.
  • conditional web can basically be formed in different ways.
  • the contact-side web is formed by a flange which at least partially surrounds the container, which in turn can serve in a double function also for fixing a cap or cover, as will be explained in more detail below.
  • the capillary element in particular a wick as a capillary element, could in principle project beyond the container with a free end, so that this free end forms a substance dispensing area located outside the container.
  • the solution according to the invention makes it possible in particular to arrange the capillary element completely inside the container.
  • the capillary then adjoins with its free end from the inside with a defined, preferably extremely small, gap distance or directly to at least one outlet outlet and is discharged to the substance via the at least one outlet-side outlet opening from the container or evaporated.
  • the at least one capillary element with its substance delivery region preferably with a free end region as the substance delivery region, adjoins a container outlet opening, in particular directly, so that the substance to be dispensed by means of Capillary element is conveyed in the direction of the container outlet opening and there via the at least one container outlet opening from the container can be brought out.
  • the at least one, constituent of the container forming electrical heating element is assigned to the adjacent to the container outlet opening substance delivery area of the capillary to accelerate the evaporation of the substance and to increase the discharge amount ,
  • the container has an upper ceiling wall, viewed in the vertical axis direction, in which at least one container outlet opening is formed.
  • the at least one container outlet opening is formed in a cover-side receptacle in which the free end region of the capillary element, preferably in shape and / or contour-adapted manner, is accommodated. This is preferably done in such a way that the free end region of the capillary element directly adjoins the container outlet opening.
  • the at least one container outlet opening is preferably closed with an openable cover, wherein this revealable cover is preferably formed by a peel-off film.
  • the entire container, including the ceiling wall can be made of the same material and in one piece and the capillary element and / or the electrical heating element can be integrated into the container during the manufacturing process.
  • the container is formed as a one-sided open container whose top wall is formed by a, a separate component and part of the container forming cap that closes the container, wherein in the cap, the at least one container outlet is trained.
  • Such a container can be equipped particularly easily with the capillary element, wherein the ceiling wall in the form of a cap can be easily connected by, for example, molding or welding to the container.
  • the container itself is produced for example by thermoforming or made of a plastic material and preferably has an elongated, in particular box-like, shape. In this context, in particular, such a form of advantage in which the container is rectangular in cross-section.
  • the capillary element is preferably formed by a wick, with which the substance to be dispensed can be conveyed in the container in a particularly simple and reliable manner in the direction of the substance delivery area.
  • the container also preferably has at least one fixing device, by means of which the capillary element in the interior of the container can be held in a positionally accurate and precise position.
  • the capillary element which is formed in particular by a wick, can in principle have any suitable shape. However, particularly preferably in connection with an elongate container, a capillary element, which has an L-shape, with a first L-leg, which extends in the container in the container high axis direction, and with a angularly projecting second L-leg, the associated with a container outlet opening.
  • Such a capillary element having an L-shape has the advantage that the angled second L-leg can be assigned to the at least one electrical heating element in a particularly simple and functionally reliable manner in order to apply heat in the manner described above to it due to heat conduction while the first L-leg adjoining the second L-leg preferably extends over the entire height of the container in order to convey the substance into the region of the second L-leg, which is acted upon in the manner described above with heat ,
  • the fixing device is formed by at least one of the following measures: the first L-leg is held in the transverse direction of the container by inner-wall-side projections lying on opposite sides of the first L-leg, the first L-leg and / or the second L-leg is or are held in the depth of the container between a front wall and a rear wall of the container, in particular held between a rear wall and at least one front wall-side projection, the second L-leg engages behind an inner-wall-side projection, in particular a projection, which forms a recess for receiving the at least one electrical heating element on the outer wall, or a projection which is formed by an inner partial region of a support surface for the electrical heating element,
  • the first L-leg is seen supported in the vertical axis direction on opposite container walls.
  • the electrical connection element preferably a holding device of the electrical connection element, a with this releasably or permanently connected decorative element, which conceals the container in the mounted state viewed from a visible side of the device at least partially.
  • a decorative element serves as an ornament and may be formed for example by a decorative cover and / or a decorative plate.
  • a container for receiving volatile substances in particular for receiving fragrances and / or active substances and / or for use in a device, as has been previously appreciated in detail, claimed.
  • This container has at least one capillary element arranged in the container, which is in contact with the substance to be delivered and promotes this by capillary action to at least one substance delivery area.
  • at least one electrical heating element preferably at least one electrical heating element adjacent to the at least one capillary element
  • the at least one electrical heating element can in this case for example by means of an electrical contact means for power supply releasably and electrically be connected to a, also detachably connectable to the container electrical connection element.
  • FIG. 2 shows schematically a perspective, exploded illustration of a first embodiment variant of a device according to the invention, schematically a detail view with a resistance element accommodated in a container wall-side receptacle or depression, a representation corresponding to FIG. 2 with an electrical contact device of the resistance element,
  • FIG. 4 shows a rear view of FIG. 2 rotated through 180 ° and FIG. 3 with projections on the inside wall for holding a wick
  • 5 shows a front view corresponding to FIG. 2 and FIG. 3, in which the receptacle or recess for receiving the resistance element is likewise shown, as is a front-side recess for fixing the position of the wick in the interior of the receptacle
  • FIG. 4 shows a rear view of FIG. 2 rotated through 180 ° and FIG. 3 with projections on the inside wall for holding a wick
  • 5 shows a front view corresponding to FIG. 2 and FIG. 3, in which the receptacle or recess for receiving the resistance element is likewise shown, as is a front-side recess for fixing the position of the wick in the interior of the receptacle
  • FIG. 4 shows a rear view of FIG. 2 rotated through 180 ° and FIG. 3 with projections on the inside wall for holding a wick
  • 5 shows a front view
  • FIG. 6 shows a schematic sectional view through the container of FIGS. 1 to 5
  • FIG. 7 shows schematically a section along the line A-A of FIG. 6,
  • FIG. 8 shows a schematic section along the line B-B of FIG. 6,
  • Figure 10 is rotated by 90 ° view of the electrical resistance element of
  • FIG. 11 shows the container together with electrical heating or resistance element, which is provided at the contact area with a cover
  • FIG. 12 shows an enlarged view of the electrical connection element together with the decorative plate
  • FIG. 13 shows a perspective top view of the electrical connection element
  • Figure 14 is a schematic, front perspective view of a second
  • FIG. 15 is a rear view of the illustration of FIG. 14;
  • FIG. 16 shows the device according to FIG. 14 with the decorative panel removed
  • FIG. 17 schematically shows a perspective exploded view of FIG
  • FIG. 18 schematically shows a perspective basic illustration of the electrical connection element together with the connection contacts coupled with a plug
  • FIG. 19 shows a section along the line II of FIG. 18,
  • FIG. 20a, b a schematic, perspective view of the container together with an electrical heating or resistance element
  • FIG. 21 the electrical resistance element in a bottom view
  • FIG. 22 shows a schematic schematic diagram with a capillary element, the capillary element region to be heated being assigned to the sheet resistance
  • FIG. 23 schematically shows a top view of the top side of the container with the container outlet opening open
  • FIG. 24 shows the container according to FIG. 23, in which the container outlet opening is closed by a cover in the form of a release liner,
  • Figure 25 is a schematic cross-section through the container in an exploded view
  • Figure 26 is a representation corresponding to Figure 25 in the assembled
  • Figure 27 is a cross-sectional view of Figure 26 corresponding representation in the assembled state.
  • FIGS. 1 to 13 show an exemplary first embodiment of a device 1 for dispensing, in particular for vaporizing, volatile substances, for example fragrances and / or active substances.
  • the device here has a container 2 which, in a manner to be described in greater detail, is detachably connectable to an electrical connection element on which a container 2 together with electrical connection element 3 covers from the visible side or covering decorative plate 4 is arranged.
  • the decorative plate 4 is preferably detachably connected to the electrical connection element 3.
  • the electrical heating element formed here by an electrical resistance element 5 is a component of the container 2.
  • the resistance element 5 preferably forming a PTC resistor has, as shown particularly in FIG. 2 and FIG 3, preferably has a flat, pill-like or disc-like shape and is accommodated in a contoured and contour-adapted manner in a receptacle 7 or depression formed in the outer wall 6 of the container 2, so that the electrical resistance element 5 is directly in this heat transfer region 8 a system connection to the outer wall 6 of the container 2 is present.
  • the container 2 is made at least in this heat transfer region 8 of a thermally conductive material, preferably of a plastic material.
  • a thermally conductive material preferably of a plastic material.
  • plastic material allows, for example, the manufacture of the container by thermoforming.
  • the receptacle 7 here thus forms a container-side holder, in which the resistance element 5 is accommodated in shape and contour, wherein the electrical resistance element 5 also has an electrical contact means 9, by means of which the electrical resistance element in a manner to be described releasably and electrically with the , also detachably connected to the container 2 connectable electrical connection element 3 can be connected.
  • the electrical contact device 9 of the electrical resistance element 5 here has, for example, two flat and substantially parallel to the outer wall 6 of the container 2 or on the outer wall 6 of the container arranged or resting, platelet-shaped contact areas 10, 11, which in turn each have with raised contact elements in the form of contact pins 12, 13.
  • the term "contact pin” is to be understood here in a comprehensive sense and should thus also encompass the contact elevations shown in the figures.
  • the contact regions 10, 11 of the electrical contact device 9 of the electrical resistance element 5 are preferably provided with a cover 14 which completely covers the contact regions 10, 11 and which can be designed, for example, in the form of a cover film which protrude the contact pins 12, 13 for connection to the electrical connection element 3.
  • the cover 14 is for example releasably applied to the contact areas 10, 11 and can be used for example for labeling or marking the container.
  • cover 14 if it is not or will not be replaced, is thermally resistant, so as not to be damaged during a heating process.
  • the capillary element here has a second L-leg 17, which projects at an angle from the first L-leg and forms a substance delivery area substantially immediately adjacent to a container outlet opening 18, so that the substance to be dispensed in the container 2 is conveyed by means of the Capillary element 15 in the direction of the container outlet opening 18 is conveyed and can be discharged there via the container outlet opening 18 from the container 2.
  • the second L-leg 17 thus forms both a free end region of the capillary element 15 and a substance delivery region, wherein the electrical resistance element 5 is here associated with the adjacent to the outlet port 18 outlet second L-leg as a substance-dispensing area of the capillary element.
  • the capillary element 15 surrounds the region of the receptacle 7 in the transition region from the first L-leg to the second L-leg so that the capillary element region to be heated contacts or rests there in an abutment connection.
  • the container outlet opening 18 is closed by an openable cover 20, which may be formed, for example, by a release liner. If this is withdrawn (FIG. 7), then the substance can escape or evaporate via the container outlet opening 18.
  • the container 2 is preferably designed as a container open on one side, the top wall is formed by a, a separate component and part of the container forming cap 21, which closes the container 2 and which is welded, for example, firmly with the container 2.
  • this cap 21 as a ceiling wall then the container outlet opening 18 is formed.
  • the container which is preferably made of a plastic material, here has an elongated, box-like shape with a substantially rectangular cross-section.
  • the capillary element 15 which is preferably formed by a wick, can be held and fixed in a simple manner.
  • the first L-leg 16 seen in the transverse direction of the container 2 can be supported by lying on opposite sides of this first L-leg 16 inner wall-side projections 22 (Fig. 4).
  • first leg 16 and / or the second leg 17, as can be seen in particular in Figure 6, seen in the depth of the container 2 between a front wall 23 and a rear wall 24 of the container to be supported, including, for example, front wall projections provided can be, such as the receptacle 7, which supports the capillary element 15 in a high axis direction upper portion, and a lower projection 25 in this respect, the first L-leg 16 in a lower portion between the front wall 23 and the rear wall 24 holds.
  • the first L-leg 16 seen in the vertical axis direction on the opposite container walls so be supported on the top wall and the bottom wall.
  • the lower projection 25 can also be seen in FIG.
  • the electrical connection element 3 has a holding device formed here merely by way of example by a retaining ring 26, by means of which the container 2 is mounted on the electrical connection element in the region of the electrical resistance element 5 can.
  • the electrical connection element 3 here has a plug 27 constructed in the usual way with contact pins 28 for connection to an electrical socket, on which plug 27 the retaining ring 26 directly adjoins.
  • the retaining ring 26 is preferably formed on the plug 27, so that the electrical connection element 3, for example, according to a preferred embodiment, a one-piece component, which can be produced for example by injection molding.
  • the retaining ring 26 preferably surrounds the container inserted in the retaining ring 26 in the assembled state so that the retaining ring 26 at least partially abuts the container outer wall.
  • the contact pins 12, 13 of the container 2 arranged electrical resistance element 5 associated recesses 29, 30 are provided, in which the contact pins 12, 13 preferably in the mounted state and form or protrude and / or intervene in order to be electrically conductively connected to electrical connection contacts of the electrical connection element 3 which open there.
  • the retaining ring is at least partially elastically yielding, so that this retaining ring 26 during insertion of the container in the Retaining ring 26 and thereby caused contact of the pins 12, 13 at the recesses 29, 30 surrounding inner wall portion of the retaining ring 26 at least partially resiliently rebound so long until the contact pins 12, 13 in an engaged position at the level of the recesses 29, 30, in the rebounded wall portion of the retaining ring 26 then springs back to produce a positive connection.
  • the container 2 preferably in the region close to the cap, has an at least partially, here completely circumferential flange 31 as a stop element, which is designed such that when the flange 31 rests on the, in Seen high axis direction, top of the retaining ring 26, the contact pins 12, 13 of the electrical resistance element 5 with the recesses 29, 30 are aligned in the retaining ring to produce the releasable electrical connection between the electrical resistance element 5 and the electrical connection element 3.
  • the detachable connection between the container 2 and the electrical connection element 3 is therefore on the one hand via the contact pins 12, 13 of the electrical contact device. 9 formed on the container 2 arranged electrical resistance element 5.
  • This detachable connection between container 2 and electrical connection element 3 is also supported by the detachable arrangement of the container 2 in the retaining ring 26 of the electrical connection element 3, in particular a positionally accurate alignment of the contact pins 12, 13 with respect to the opening into the recesses 29, 30 connecting contacts of the electrical connection element 3 causes.
  • the same components are denoted by the same reference numerals and, as is apparent from Figures 14 to 16, the device 1 basically constructed in three parts, so that they are a container 2, an electrical connection element 3 and a detachable the decorative element 3 festlegbare the electrical connection element 4 comprises.
  • This decorative panel 4 covers, as can be seen in particular from Figure 14, in the assembled state, the container from the visible side so from that this is not or only partially visible.
  • the decorative plate In order to fix the decorative plate, it can laterally grasp the electrical connection element 3, as in the first embodiment, with two laterally projecting retaining clips 32, 33 and be fixed there by means of a releasable connection, not shown here, for example by means of a latching and / or or clip connection.
  • the retaining clips 32, 33 engage the retaining ring 26 and in the second embodiment described below on a housing portion 34 of the electrical connection element, which housing portion 34 connected to the connector 27, in particular is formed and forms a slim-fitting housing part, which covers the container 2, as shown in Figures 14 to 16, in the region of its container outlet opening 18, wherein in the overlap area here, for example, a plurality of housing-side outlet openings 35, here only by way of example in the form of slots, formed on the substance to be dispensed can evaporate the housing portion 34 (see also arrows 36 in Figure 27).
  • FIG. 16 in conjunction with FIG. 18 and FIGS.
  • the housing region 34 also forms the holding device for the container 2, this holding device actually being a sliding and / or plug connection is formed or has, in which a Beiersitiger web 37, which is formed here by way of example by a peripheral flange on the container 2, with transversely to the insertion direction opposite web portions 43, 44 substantially conformed shape and contour in two individual slots 38, 39 which engages in two also spaced apart from each other transversely to the insertion direction parallel housing walls 40, 41 each extend in the insertion direction.
  • a Betechniksitiger web 37 which is formed here by way of example by a peripheral flange on the container 2, with transversely to the insertion direction opposite web portions 43, 44 substantially conformed shape and contour in two individual slots 38, 39 which engages in two also spaced apart from each other transversely to the insertion direction parallel housing walls 40, 41 each extend in the insertion direction.
  • the individual slots 38, 39 forming a guide slot of the sliding and / or plug connection are in this case designed in conjunction with the contact-side web 37 such that in the mounted state an electrical contact device 9 of an electrical heating element to be described in greater detail is electrically connected to the electrical connection element 3 ,
  • the container 2 is here again designed, for example, as an upwardly open container, which can be closed by a cap 21 as a cover wall.
  • a container outlet opening 18 which can be closed in the same manner as in the first embodiment with a cover 20 is provided in the cap 21, which is formed, for example, by a peel-off film or the like. If this peel-off film or cover 20 is removed (state of FIG. 23), then the substance can escape from the container interior via the container outlet opening 18 or evaporate.
  • the cap 21 forms as part of the container 2 also those opposite web regions 43, 44 of the web 37, which in the assembled state of the container into the individual slots 38, 39 of the housing walls 40 , 41 intervene.
  • the web portions 43, 44 and the individual slots 38, 39 are in this case dimensioned so that the web portions 43, 44 by means of a clamping connection in the individual slots 38, 39 are releasably supported.
  • a secure fixing of the container 2 is achieved on the electrical connection element 3 and also ensures that the container 2 can be easily solved again by the electrical connection element.
  • individual clamping projections 45 can also be formed in the region of the individual slots 38, 39 for this purpose.
  • a preferably L-shaped capillary element 15 is arranged, which is preferably formed by a wick or is made of a wick material.
  • the capillary element 15 viewed in the container vertical axis direction, extends with a first L-leg 16 substantially over the entire container length to just below the container outlet opening 18 in the cap 21, which, for example, very well from FIGS. 26 and 27 is apparent.
  • the second L-limb 17 forming the substance delivery region directly adjoins the container outlet opening 18 or, if appropriate, is at least partially accommodated therein in a cap-side receptacle 46 in order to enable a functionally reliable dispensing or vaporization of the substance.
  • the fixing and mounting of the capillary element 5 in the interior of the container 2 can basically be carried out analogously to the first embodiment with one or more of the measures described therein. In this respect, reference is made to the statements made above.
  • the essential difference of the second embodiment variant compared to the first embodiment lies in the fact that the electric heating element, which in turn is likewise preferably formed by an electrical resistance element 5, is designed differently, as will be explained in greater detail below by way of example:
  • the electrical heating or resistance element 5 has here, which is also apparent in particular from FIGS. 21 and 22, a resistance layer 47 as a heating layer, wherein the electrical contact device 9 in the exemplary case shown here has feed lines 48, 49 connected to this resistance layer 47.
  • the electrical contact device 9 in the exemplary case shown here has feed lines 48, 49 connected to this resistance layer 47.
  • the electrical contact device 9 in the exemplary case shown here has feed lines 48, 49 connected to this resistance layer 47.
  • feed lines 48, 49 connected to this resistance layer 47.
  • two spaced supply lines 48, 49th provided, which have an electrical connection to the spaced-apart resistance layer 47.
  • the resistive layer 47 together with the feed lines 48, 49, is applied to a carrier layer 50 as a substrate, which in the mounted state (see in particular also FIGS. 22 and 26) in a manner described in more detail below on the outer wall of the container 2 is arranged in a planar contact connection and associated with the capillary element area to be heated.
  • this assignment takes place in such a way that a lower side of the second L-leg 17 forming the capillary element area to be heated is in direct thermal-thermal thermal contact with the electrical resistance element 5. It can be seen very clearly from FIG.
  • the resistance layer 47 can here be adapted in terms of shape and size to the capillary element region to be heated (formed here merely by way of the second L-leg 17), which is not absolutely necessary.
  • the resistance layer 47 could also extend over a larger area on the carrier layer 50.
  • the carrier layer 50, the resistance layer 47 and the feed lines 48, 49 are preferably formed or made of such a material that they form an overall flexible heating or resistance element 5.
  • the, preferably flexible, resistive layer 47 is formed by an electrically conductive ink or ink having a resistance function, preferably a PTC function, which is applied, for example as a film layer, to the carrier layer 50, preferably printed becomes.
  • the printing can be done for example by screen printing.
  • the, preferably flexible, leads 48, 49 are preferably formed by an electrically conductive ink or ink having a current-carrying function, for example a silver-bearing ink or ink.
  • the feed lines 48, 49 may advantageously be printed directly onto the carrier layer 50, for example also in conjunction with a screen printing method.
  • the carrier layer can be made of a plastic material, for example of polyethylene terephthalate (abbreviation PET), for example.
  • PET polyethylene terephthalate
  • the container 2 has an upper region, which is associated with the cap 21 and / or the second L-leg 17 of the capillary element, seen here in the vertical axis direction, here by way of example integrally, plate-shaped and two-sided support 51 made of a thermally conductive material.
  • This support 51 has one, the L-leg 17 as mecanicmoreenden Kapillarelement Scheme the capillary element 15 and thus the interior of the container 2 associated inner portion 52, on which the L-leg 17 as mecanicmoreender Kapillarelement Scheme in a capillary element support area for a thermally conductive thermal contact immediately rests and / or is attached.
  • the support 51 further has a, the inside Kapillarelement- support area facing away and thus the outer region of the container 2 associated, outer portion 53 on which the electric heating element 5 is arranged and / or fixed for a thermally conductive thermal contact, preferably such that a Carrier layer 50 of the electric heating element 5 is connected by lamination with the support 51 and the outer portion 53, respectively.
  • a Carrier layer 50 of the electric heating element 5 is connected by lamination with the support 51 and the outer portion 53, respectively.
  • This indentation 54 can extend over the entire container length (for example, FIGS. 25 to 27) or else only over a subregion thereof (see FIG. 20 b).
  • the support surface 51 here has a substantially rectangular outer contour and, in terms of size and dimension, preferably corresponds essentially to the dimensions of the flat and / or flexible electrical resistance element 5, which is applied to this support surface 51 or its outer subregion 53.
  • the electrical heating element 5 may further comprise a, preferably flexible, protective layer, which at least partially covers the resistance layer 47 applied to the carrier layer 50, together with the supply lines 48, 49, but this is not shown here. It is important here with respect to the leads 48, 49 only that they are arranged or designed so that they can be contacted with electrical contact elements.
  • the outer subarea 53 of the support 51 together with the electrical heating element 5 associated therewith form part of a projection protruding from the container 2, which is used to establish the electrical connection between the electrical heating element 5 and the electrical connection element 3 a receptacle 55 of the electrical connection element 3 engages, so that here forming part of the electrical contact means 9 heating element-side leads 48, 49 with opening into the receptacle 55 and also part of the electrical contact means 9 forming terminal contacts 56 are electrically conductively connected (see Figure 27).
  • the design and dimensioning of the plateau-like projection and / or the receptacle 55 in this case is preferably carried out so that the projection is accommodated in the mounted state shape and / or contour-adapted in the receptacle 55 of the electrical connection element 3, in particular by means of a Form gleich 23. Clamping releasably retained in the receptacle 55.
  • the electrical resistance element 5 is shown exaggerated only for reasons of better representability. It is understood that the electrical resistance element 5 can of course be made extremely thin.

Abstract

L'invention concerne un dispositif (1) de diffusion, en particulier de vaporisation, de substances volatiles, en particulier de substances parfumées et/ou actives, muni d'un récipient (2) pour une substance à diffuser, avec au moins un élément capillaire (15) agencé au moins en partie dans le récipient et qui est en contact avec la substance à diffuser et qui achemine celle-ci par capillarité vers une zone de diffusion de substance, avec au moins un élément chauffant électrique (5) qui se trouve en bordure d'au moins un élément capillaire (15), ainsi qu'avec un élément de raccordement électrique (3) au moyen duquel au moins un élément chauffant électrique (5) peut être alimenté en énergie électrique. Selon l'invention, le ou les éléments chauffants électriques (5) font partie du récipient (2) et le récipient (2) peut être raccordé de manière amovible à l'élément de raccordement électrique (3), un système de contact électrique (9) étant prévu, au moyen duquel le ou les éléments chauffants électriques (5) peuvent être raccordés de manière amovible et électrique à l'élément de raccordement électrique (3).
EP16731030.9A 2016-06-16 2016-06-16 Dispositif de diffusion, en particulier de vaporisation, de substances volatiles, en particulier de substances parfumées et/ou actives Pending EP3471785A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/001008 WO2017215728A1 (fr) 2016-06-16 2016-06-16 Dispositif de diffusion, en particulier de vaporisation, de substances volatiles, en particulier de substances parfumées et/ou actives

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EP3471785A1 true EP3471785A1 (fr) 2019-04-24

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US (2) US20190117817A1 (fr)
EP (1) EP3471785A1 (fr)
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WO (1) WO2017215728A1 (fr)

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US11691162B2 (en) 2017-04-10 2023-07-04 The Procter & Gamble Company Microfluidic delivery cartridge for use with a microfluidic delivery device
US10806816B2 (en) 2018-05-15 2020-10-20 The Procter & Gamble Company Microfluidic cartridge and microfluidic delivery device comprising the same
WO2023213414A1 (fr) 2022-05-06 2023-11-09 Ctr, Lda Appareil de distribution de substances volatiles et son procédé de production

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Also Published As

Publication number Publication date
US20190117817A1 (en) 2019-04-25
US11911539B2 (en) 2024-02-27
WO2017215728A1 (fr) 2017-12-21
US20220088254A1 (en) 2022-03-24
CN109715221A (zh) 2019-05-03
CN109715221B (zh) 2022-10-21

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