EP3471784A1 - Dispositif à mèche pour l'évaporation de parfum avec conduit d'écoulement - Google Patents

Dispositif à mèche pour l'évaporation de parfum avec conduit d'écoulement

Info

Publication number
EP3471784A1
EP3471784A1 EP16731028.3A EP16731028A EP3471784A1 EP 3471784 A1 EP3471784 A1 EP 3471784A1 EP 16731028 A EP16731028 A EP 16731028A EP 3471784 A1 EP3471784 A1 EP 3471784A1
Authority
EP
European Patent Office
Prior art keywords
substance
hot air
outlet opening
region
flow
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
EP16731028.3A
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 EP3471784A1 publication Critical patent/EP3471784A1/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
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/20—Poisoning, narcotising, or burning insects
    • A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
    • A01M1/2027—Poisoning or narcotising insects by vaporising an insecticide without heating
    • A01M1/2044—Holders or dispensers for liquid insecticide, e.g. using wicks
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/20—Poisoning, narcotising, or burning insects
    • A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
    • A01M1/2061—Poisoning or narcotising insects by vaporising an insecticide using a heat source
    • A01M1/2077—Poisoning or narcotising insects by vaporising an insecticide using a heat source using an electrical resistance as heat source
    • 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 and a method for dispensing, in particular for vaporizing, volatile substances, in particular scents and / or active substances according to the preamble of claim 1. Furthermore, the invention relates to a method for dispensing, in particular for vaporizing, of volatile substances , in particular fragrances and / or active substances according to the preamble of claim 34.
  • 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.
  • it is further provided in this WO 98/58692 A1 to store the container together with wick so height adjustable in the housing of the device that the relative position of the wick to the heater is variable.
  • the evaporation rate and thus the discharge rate of the substance to be dispensed over a longer period can be influenced.
  • the generated and with the substance to be dispensed enriched substance-air flow which escapes into the environment via an outlet opening in the housing wall, is influenced by resulting inside the housing air turbulence that on the one hand, the outflow of the substance air flow is impaired and that on the other hand in To a certain extent, undesired deposits and condensations of the substance to be dispensed on the housing inner walls occur.
  • the air turbulences or turbulences inside the housing are in particular caused by rising hot air, which in turn is generated by the heat emission of the electric heating element to the air surrounding the heating element.
  • At least one heating element is provided, by means of which a substance-enriched and from the device effluent substance-air flow can be generated by heat to the batht Desken substance delivery area and by means of the heat transfer to the at least one heating element surrounding air substantially substance-free, from the device flowing off, preferably compared to the substance air flow warmer, separate hot air flow can be generated.
  • at least one flow guiding and / or deflecting device is provided, by means of which at least one of the outflowing air streams, preferably the substance-free hot air stream, can be conducted and / or deflected such that the two outflowing from the device Air streams, preferably at a defined angle of incidence, meet and form a common, flowing from the device substance hot air stream.
  • a separate hot air flow generated by heat emission to the air surrounding the heating element is used specifically to entrain a substance air flow, which in turn enables a much better distribution of the substance emitted by the device in the room. It can be advantageously exploited that the hot air flow regularly has a much higher temperature and thus a much higher flow velocity than the contrast cooler, enriched with the substance to be dispensed substance-air flow.
  • the resulting in or on the device hot air can also lead to no unwanted turbulence or turbulence in or on the device, so that the substance air flow can flow away unhindered and also the risk of condensation of substance to be dispensed in or on the device, for example on the housing walls of the device, is significantly reduced.
  • the solution according to the invention for example in conjunction with devices which can be arranged on walls or wall-side sockets, can easily ensure that the substance air flow which is cooler than the hot air flow is reliably kept away from or directed away from a wall adjacent to the device can be. In particular, this results in a very good, unhindered distribution of the substance in a room.
  • the substance delivery can be made even more effective or the efficiency of the substance delivery can be further increased.
  • 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.
  • wick is also to be understood here in a comprehensive sense and expressly encompasses any capillary element which is suitable for conveying a substance by means of capillary action, in which case a specific embodiment of a device for dispensing, in particular for evaporating volatile substances, is particularly preferred.
  • the apparatus has a container in which a substance to be dispensed is received, and the apparatus also has a container which is in contact with the substance to be dispensed and at least partially
  • the wick which is arranged in the container and forms part of the container, also acts as a capillary element, which in turn has a wicking substance dispensing area associated with a substance outlet opening area formed in the housing wall
  • the apparatus further comprises at least one heating element, preferably e, at least one electric heating element, on, by means of which a substance-enriched substance-air flow can be generated by heat emission to the non-modal substance delivery region, which flows out of the device via the substance outlet opening region (and thus through the housing wall).
  • At least one further outlet opening region is formed in the housing wall as a hot air outlet opening region, through which a separate hot air flow generated by the at least one heating element flows out of the device through the housing wall by dissipating heat to the air surrounding the at least one heating element and substantially free of substance
  • at least one flow guiding and / or deflecting device is provided by means of which at least one of the outflowing air streams, but preferably the substance-free hot air stream, is conductive and / or deflectable such that the two air streams flowing from the device meet, preferably at a defined angle of incidence and form a common substance hot airflow exiting the device, the separate airflows flowing from the substance outlet port region and from the hot air outlet port region meeting one another in an area outside the housing and forming the common substance hot airflow exiting the device.
  • the hot-air outlet opening region may in this case be formed adjacent to and / or adjacent to the substance outlet opening region, which expressly includes any arrangement possibility, ie, for example, includes such adjacent education and arrangement, in which the two Auslouö Stamms Hoche without a separation of the same by, for example, a wall portion or a partition directly adjacent to each other and, for example, part of the same recess in the housing wall are. Or alternatively, the Auslassö Stamms Symposiume but also separated by any component or a wall portion and thereby be spaced from each other, so for example be formed by two separate from each other by a wall portion openings.
  • hot air outlet opening area and substance outlet opening area should thus merely be used to express that there is some sort of area through which there is an air flow and some kind of area through which the other air flow will flow before their meeting.
  • more than one substance air stream and / or more than one hot air stream could be present, for example in such a way that a plurality of separate hot air streams respond to a substance air stream or optionally also one of several substance air streams.
  • the flow-guiding and / or deflecting device has at least one flow-conducting element assigned to the substance-air flow and / or the substance outlet-opening region and / or at least one flow-guiding element assigned to the hot-air outlet opening region, by means of which a flow diverging from the device Air flow in a particularly functionally reliable manner in the direction of the other air flow is guided or deflected.
  • the flow guiding and / or deflecting device has at least one flow guide element assigned only to the hot air outlet opening region, by means of which the hot air flow flowing away from the hot air outlet opening region can be deflected in the direction of the substance air flow.
  • the preferred deflection of only the hot air flow has the advantage that it is particularly suitable for influencing the outflow behavior and the properties of the two air streams unifying common substance hot air flow, for example, concerning the formation of turbulence and / or turbulence in one certain Outflow height above the point of impact of the two streams or above the device.
  • the hot air flow as previously shown, regularly has a higher temperature and thus a higher speed, a particularly advantageous deflection of the substance-air flow away from components, such as a wall, achieve.
  • the housing or the housing wall in which the substance outlet opening region and the hot air outlet opening region are arranged adjacent to one another or adjacent to one another.
  • the substance outlet opening region and the hot air outlet opening region lie next to one another in a plane spaced apart, preferably in such a way that the housing wall is at least in or on the substance outlet opening region and the hot air outlet region.
  • Outlet opening region having housing wall region are flat or plate-shaped.
  • the substance outlet opening region and the hot air outlet opening region can, according to a particularly preferred embodiment, be arranged next to one another at different height levels as seen in the vertical axis direction.
  • the housing wall is stepped or has a stepped wall area.
  • the substance outlet opening region in the region of a first stage and the hot air outlet opening region in the region of a second or a further stage can be arranged.
  • an embodiment is particularly advantageous in which the substance-air flow flowing out from the substance outlet opening region is an air flow that is not influenced by any flow-guiding element and thus uninfluenced, preferably substantially rectilinear, from the substance-outlet opening region.
  • at least one flow-guiding element of the flow-guiding and / or deflecting device is then associated with the hot-air outlet opening region, by means of which the hot-air flow flowing away from the hot-air outlet opening region can be deflected in such a way the hot air flow impinges on the substance air flow at an angle or at a defined angle of incidence.
  • the substance outlet opening region can be formed, for example, in a simple manner only by a housing wall outlet opening (while the hot air outlet opening region in this case is then also formed by a separate opening, which can then be part of a flow channel again, for example as will be described in more detail below).
  • This housing-wall-side outlet opening can be formed, for example, by an outlet opening widening in a funnel shape in the flow direction, preferably widening with a convex curvature, which has proven to be particularly advantageous when the substance air flow flowing away from or flowing out of the outlet opening is deflected to this impinging hot air flow, because then it can come to the edges of the outlet to no unwanted flow breaks and thus no turbulence and turbulence.
  • the substance outlet opening region can also be part of a housing-wall-side recess, which also forms or forms the hot-air outlet opening region, that is, for example, directly adjoining one another.
  • the recess region forming the substance outlet opening region tapers at least in regions upward in the flow direction of the substance air flow, in order to also achieve a functionally reliable discharge of the substance-enriched air stream.
  • the flow guide is aligned in the direction of the other air flow, preferably inclined and / or curved, so for example, a the hot air outlet opening associated flow guide in the direction of the substance air flow to aligned, for example, inclined and / or curved, so that the hot air flow can then impinge on the substance air flow at a defined angle.
  • the flow guide is preferably configured to extend away from the housing wall away from the substance outlet opening region and / or the hot air outlet opening region, preferably from the hot air outlet opening region.
  • the flow guide element can be formed, for example, simply by a guide blade.
  • the flow guiding element can also be formed by a, preferably inclined and / or curved, flow duct or channel which extends away from an inflow opening in the direction of flow and is aligned in the direction of the other air flow, wherein the flow chute or channel adjoins its opposite the inflow opening has a pointing in the direction of the other air flow outflow opening.
  • a flow shaft or flow channel is easy to produce and allows a particularly advantageous and reliable deflection of the respective air flow, in particular the hot air flow in the direction of the other air flow.
  • such a flow well or flow channel can be formed by an inclined or curved channel-like flow hood, which projects like a dome or raised from the housing wall or is placed there.
  • an inclined or curved flow duct or channel may be formed, for example, by an inclined or curved channel-like flow hood, which has two opposite, substantially plate-like hood walls, between which an inclined or curved wall portion is arranged, the deflection of the Air flow causes.
  • the inflow opening is preferably formed in the housing wall itself.
  • the flow guide element can thus be designed, according to a particularly preferred embodiment, such that it surrounds the at least one outlet opening region, for example the hot air nozzle.
  • Outlet opening area forms or at least forms with or is part of the same.
  • the angle of incidence between the hot air flow and the substance air flow is according to a particularly preferred specific embodiment 50 to 80 °, preferably 60 to 80 °. With such angles of incidence, a functionally reliable and targeted outflow of the two air streams can be achieved as a common substance hot air flow. Particularly good results are obtained at an angle of incidence of approximately around 70 °, most preferably from approximately 68 to 72 °.
  • the angle of incidence in particular an angle of incidence as indicated above, between the hot air stream and the substance air stream can be adjusted specifically so that the hot air stream and the substance air stream are viewed in the flow and / or high axis direction meet each other in a defined height above the device in a defined point of impact.
  • the at least one heating element, the hot air flow to such a high temperature, which drops only at a defined distance above the impingement point of the two air streams to such a contrast lower temperature at the turbulence and / or turbulence in the common substance hot air flow occurs, then the delivery of the substance in the room can be selectively influenced and adjusted.
  • any existing housing may be formed in many different ways, for example, be formed only by a single housing wall, for example, a plate-shaped housing wall.
  • the housing preferably has a plurality of housing side walls and the housing preferably forms a more or less closed housing with a housing interior, in which individual components of the device are at least partially shielded outwards towards the environment (for example also in different chambers) the housing interior are included).
  • the wick-side substance delivery region is preferably located in a housing interior of the housing, so that the substance air flow flows out of the housing interior via the substance outlet opening region to the outside of the housing.
  • the two areas are then spaced apart from one another in the housing interior such that the two air streams flow unaffected to the respective outlet opening area and / or the two air streams are thus separated from one another for example, by a shielding member or the like, measures to flow from each other unaffected to the respective outlet port area.
  • At least one heating element generating the hot air flow or, in the preferred case of a single heating element, a partial region of the heating element serving to generate the hot air flow is assigned to the hot air outlet opening region, preferably arranged directly adjacent to the hot air outlet opening region , This ensures in a simple manner that the hot air flow can flow reliably through the hot air outlet opening area.
  • At least one heating element or, in the case of a single heating element, a partial region of the heating element is assigned to the nonwoven substance delivery region, which in turn is assigned to the substance outlet opening region, preferably arranged immediately adjacent to the substance outlet opening region is.
  • the wick-side substance delivery region is preferably formed by a free wick end projecting beyond the container, in particular a container opening, so that the heating element is assigned to the wick in the region of the free wick end.
  • the at least one heating element is according to a further particularly preferred specific embodiment, an electrical heating element comprising a radiator of a thermally conductive material and at least one thermally coupled to the radiator, preferably at least partially integrated in the radiator and / or embedded (for example cast-in), electrical Resistance element, for example, a PTC resistor element, which can be connected to the energy supply to a power source and / or supplied by an energy source with electrical energy.
  • electrical Resistance element for example, a PTC resistor element, which can be connected to the energy supply to a power source and / or supplied by an energy source with electrical energy.
  • the power supply takes place for example via a line connection to an electrical connection element, which may be formed for example by a plug or may have a plug, to name just one example.
  • a wireless or non-contact power transmission is possible.
  • the radiator itself can be made, for example, of a highly thermally conductive ceramic material or even of a highly thermally conductive plastic material, to name just two examples.
  • the radiator preferably has a distance from the electrical resistive element, that is, a defined distance from the electrical resistance element having wick recess, for example in the form of a through hole or else only as a peripheral recess, in which the wick with the substance delivery area, preferably with a the container protruding free wick end as substance delivery area, protrudes.
  • wick recess is thus here to be understood in a broad sense and includes all arrangement or allocation options of a wick or a free wick end to a heat-emitting heating area or to any hole perforation, indentation, recess or the like.
  • a serving for generating the hot air flow preferably the hot air Auslassö Stamms Symposium S, most preferably immediately adjacent to the hot air Auslassö réelles Symposium S arranged, portion of the heating element is formed by a hot air radiator area, the in particular for forming a radiator-side local hot spot, which has at least one or at least one electrical resistance element.
  • the at least one electrical resistance element is arranged in the region of a top side of the hot air radiator area which is directed around the hot air outlet opening area and integrated into the hot air radiator area at least one electrical resistance element directly adjacent to the hot air outlet opening area facing top of the hot air radiator area or forms this top with.
  • the local temperature maximum (hot spot) to the partial region of the heating element serving to generate the hot air flow that is to say on the hot-air radiator region, is formed and there is also a particularly good heat transfer to the air surrounding the hot-air radiator region.
  • the hot-air radiator region of the radiator has a structure which increases the heat-emitting surface.
  • the partial region of the radiator adjoining the hot-air radiator region may be designed so that there is no or one opposite the hot-air radiator. Radiator reduced heat dissipation to the environment takes place and / or that there is a defined temperature gradient with the maximum temperature in the hot air radiator area between this section and the hot air radiator area. With such measures, a targeted high heat output is possible exactly where the hot air flow is to be formed, thereby reliably avoiding a reliable mutual influence of the two air streams upstream of the Auslassö Stamms Symposium.
  • the adjoining the hot air radiator portion preferably the wick recess having, portion of the radiator to prevent heat loss or to reduce the heat output relative to the hot air radiator area to the outside at least partially thermally insulated or at least partially , in particular at least in an outer edge region, is made of a material which has a lower thermal conductivity than the material of the hot-air radiator region.
  • a portion of the heating element assigned to the nonwoven substance dispensing area is formed by a wick radiator having the wick recess.
  • the hot air radiator region generating the hot air flow and the wick radiator region having the wick recess are spaced apart so that the two air streams flow unaffected from each other to the respective outlet opening area.
  • the two air streams do not come into contact with one another upstream of the outlet opening areas or inside one / of the housing, which would lead to condensation phenomena or to undesired turbulence.
  • At least one shielding element is provided, by means of which the two airflows can be separated from each other in the area upstream of the respective outlet opening areas.
  • This shielding element preferably also forms part of the flow guiding and / or deflecting device.
  • the shielding element may be formed on the housing side, for example.
  • a functionally integrated embodiment in which the heating element has and / or forms the shielding element preferably has an upper part region of a heating element of the heating element which faces and / or forms the shielding element facing the outlet opening regions.
  • the shielding element extends away from the heating element into the region of a recess of the housing wall and forms the substance outlet opening region and the hot air outlet opening region there and / or at least partially separates them from one another.
  • a further advantageous functional integration and thus reduction of the number of components results with an embodiment in which an upper portion of the hot-air radiator area facing the hot-air outlet opening area is a component of the flow-guiding and / or diverting device and the hot-air flow is directed toward the substance airflow / and has steering radiator-side flow guide and / or training, preferably has a rising and / or in the direction of the substance-air flow ramping ascending and / or the hot air flow radiating radiator side flow guide and / or forms.
  • radiator-side flow-guiding element simultaneously also forms the shielding element is particularly preferred.
  • the electrical resistance element may in principle be any suitable resistance element, but the use of a PTC resistance element is preferred.
  • PTC Positive Temperature Coefficient.
  • the container can be connected to the housing, in particular detachably connected, is.
  • the container can be inserted into the housing, in particular be used detachably.
  • FIG. 1 schematically shows a schematic diagram of an exemplary embodiment according to the invention with a container, a wick disposed in the container, which projects beyond the container with a free wick end, and a heating element associated with the free wick end
  • FIG. 2 a schematically shows an enlarged illustration of principles and details of the air flows flowing away from the housing or their outlet opening areas, which meet at a defined angle of incidence and form a common substance hot air stream;
  • FIG. 2b shows an alternative embodiment of the upper housing wall to FIG. 2a.
  • FIG. 3 shows an enlarged detailed representation of the heating element in a perspective plan view
  • Figure 4 schematically shows a perspective plan view of the upper
  • FIG. 5 schematically shows a cross-section through the device in the region of the electrical heating element and in the region of the outlet opening regions
  • Figure 6 shows an alternative and particularly advantageous embodiment of a device according to the invention.
  • FIG. 7 shows by way of example with reference to the embodiment according to FIG. 7
  • FIG. 1 schematically and by way of example shows a schematic diagram of an exemplary embodiment of a device 1 according to the invention for dispensing, in particular for vaporizing, volatile substances, in particular fragrances and / or active substances.
  • This device 1 has a container 2, in which a substance 3 to be dispensed, for example in the form of a liquid, is accommodated.
  • a wick 4 is used as a capillary element, which is in contact with the substance 3 to be dispensed, wherein the wick 4 is inserted here by means of a wick holder 5 in a container opening 6 of the container 2.
  • This wick holder 5 (see also FIG. 2) has a wick opening, not shown here, which surrounds the wick 4 in an abutment connection.
  • the wick 4 projects beyond the container or the container opening 6 with a free wick end 7, which forms a substance delivery area or a substance exit area via which the wick owing to the capillary action 4 upwards into the area of the free wick end 7 conveyed substance is discharged into the environment.
  • the free wick end 7 is assigned a heating element 8, which is explained in more detail below, for example in the form of an electrical heating element, by means of which the free wick end 7 can be heated to increase the rate of dispensing or evaporation.
  • the heating element 8 is part of an evaporation device which is only shown very schematically in FIG. 1 and which has a housing 37 which is sketched here only diagrammatically and dashed, into which the container 2 can be inserted at least in regions, for example, as shown in FIG. 9 can be screwed by means of a thread.
  • a substance outlet opening in the housing 37 which is described in more detail below, the substance can then escape into the environment as a substance air stream or evaporate.
  • FIG. 2 a schematically shows an enlarged detailed illustration of the upper housing region of the housing 37 together with an upper housing wall 45 which has two adjacent and spaced outlet opening regions, one of which forms a substance outlet opening region 46 and a hot air outlet opening region 47.
  • the substance outlet opening region 46 is formed by a housing-wall-side outlet opening 48, which can be seen in particular from the synopsis of FIGS. 2 a, 4 and 5.
  • This outlet opening 48 widens, as seen in the flow direction, here by way of example funnel-shaped and further exemplified with a convex curvature.
  • the upper housing wall 45 is here flat or plate-shaped, so that the substance outlet opening region 46 and the hot air outlet opening region 47 are spaced apart in a plane and viewed through a wall region, viewed in the vertical axis direction separated from each other.
  • the upper housing wall 45 is stepped or has this a stepped wall portion 45 a. Specifically, here, as seen in the vertical axis direction, the substance discharge port region 46 is disposed below the hot air discharge port region 47.
  • the hot-air outlet opening region 47 also forms the flow-guiding element of a flow-guiding and / or deflecting device and has a curved, extending from an inlet opening 50 (for example, FIGS. 4 and 5) formed in the housing wall 45, here exemplary hood-like, flow channel 49.
  • This flow channel 49 is curved in such a way that, at its end opposite the inflow opening 50, it forms or has an outflow opening 51 to be directed or directed in the direction of the substance outlet opening region 46.
  • the heating element 8 having an elongated shape by way of example here is arranged directly adjacent to or below the two outlet opening regions 46, 47, which will now be described in more detail below:
  • the heating element 8 is here an electrical heating element, which has a heating element 52 made of a thermally conductive material and, for example embedded in the radiator 52 (for example cast-in), electrical resistance element 53.
  • This electrical resistance element 53 can be connected to the energy supply with an energy source, for example via here only schematically and partially illustrated contact lines 54, which are guided, for example, to the outside of the container 2 to an electrical connection element, not shown here, which is formed for example by a plug or the like ,
  • the heating element 52 here has a wick radiator region 55, in which a wick recess 56 is formed directly adjacent or below the outlet opening 48 of the substance outlet opening region 46.
  • a wick recess 56 is the substance dispensing area forming free wick end 7 with a defined gap distance 62 added to the recess wall, as can be seen in particular from Figure 5, so that the substance dispensing area forming free wick end 7 immediately adjacent or below the Outlet opening 48 of the substance outlet opening region 46 is arranged.
  • the radiator 52 has a subsequent to the wick radiator portion 55 further portion which forms a hot air radiator portion 57.
  • the electrical resistance element 53 is arranged in this hot-air radiator region 57, this hot-air radiator region 57, together with the electrical resistance element 53 accommodated therein, being arranged directly adjacent or below the inflow opening 50 of the hot-air outlet opening region 47.
  • the hot-air radiator region 57 preferably forms a local radiator-side hot spot.
  • the wick radiator region 55 adjoining the hot air radiator region 57 may be designed such that there is no or a reduced heat release to the environment relative to the hot air radiator region 57 and / or that between the wick radiator region 55 and the hot air radiator region 55.
  • Radiator area a defined temperature gradient with the maximum temperature in the hot air radiator area 57 exists.
  • provision can be made, for example, for the subregion of the heating body 52, which is formed by the wick radiator region 55, to adjoin the hot-air radiator region 57, to prevent heat emission or to reduce the heat output relative to the hot-air radiator.
  • Radiator 47 is at least partially thermally insulated to the outside or at least partially, in particular at least in an outer edge region, made of a material having a lower thermal conductivity than the material of the hot air radiator region 57th
  • radiator 52 is formed here stepped, of course, any other forms, especially non-stepped forms can be used.
  • any other forms, especially non-stepped forms can be used.
  • the free wick end 7 is preferably received in the wick recess 56 with a gap spacing 62.
  • the substance air stream 60 thus produced then flows via the outlet opening 48 through the upper housing wall 45 to the outside of the housing 37.
  • the electrical resistance element 53 in the hot-air radiator region 57 is preferably a PTC resistance element.
  • the hot air radiator region 57 arranged directly below the hot air outlet opening region 47 emits heat to the air surrounding the hot air radiator region 57, thereby producing a substantially substance-free hot air stream 63 which is significantly hotter than the substance air stream 60 and thereby also has a much higher velocity than the substance air stream 60th
  • This hot air stream 63 then flows via the inflow opening 50 into the curved flow channel 49 and is then deflected due to the curvature of the flow channel 49, which forms a flow guiding element or a flow guiding and / or deflecting device, such that this hot air stream 63 has a defined angle of incidence ⁇ (see Figure 1, Figure 2a and Figure 5) hits the substance-air stream 60 and this entrain to form a common, flowing from the device 1 substance-Heiz Kunststoffstroms 64, whereby a much more effective distribution of the substance to be dispensed takes place in the room.
  • ⁇ see Figure 1, Figure 2a and Figure 5
  • the substance air stream 60 flowing away from the substance outlet opening region 46 or the outlet opening 48 is an uninfluenced and essentially rectilinearly aligned (see flow arrow 67), from the substance outlet opening region 46 or Outlet opening 48 outflowing air flow, to which the hot air stream 63, deflected by means of the flow channel 49 impinges at a defined angle of incidence ⁇ .
  • the angle of incidence ⁇ between the hot air stream 63 and the substance air stream 60 is, for example, 50 to 80 °, preferably 60 to 80 °, most preferably approximately 70 °, the angle of incidence ⁇ here being between the flow arrows 67 defining the main flow direction of the two air streams 60 and 63 and 68 is measured.
  • the hot air radiator region 57 and the Wick recess 56 having wick radiator portion 55 have a certain minimum distance from each other.
  • an additional shielding element 65 for example a wall-like shielding element, by means of which the two air streams 60, 63 in the region upstream or below the respective outlet opening regions 46 , 47 functionally separated from each other.
  • This shielding element 65 may also extend further down and form, for example, an inner wall through which the heating element 52 is passed so that the two radiator regions 55, 57 lie on different sides of the inner wall as a shielding element.
  • FIG 6 an alternative and particularly advantageous embodiment of a device 1 according to the invention is shown, wherein functionally identical components are designated by the same reference numerals.
  • the substance outlet opening portion 46 is a part of a housing wall side recess 70 which also forms the hot air outlet opening portion 47, so that the substance outlet opening portion 46 and the hot air outlet opening portion 47 are immediately adjacent to each other in the upper housing wall 45 are formed or arranged.
  • the recess region forming or assigned to the substance outlet opening region 46 can taper at least in regions upward in the direction of flow of the substance air flow (narrowing region 71) by a defined delivery of the substance air flow 60 to allow the substance outlet opening area 46.
  • the radiator 52 of the electric heating element 8 again has a wick radiator region 55 in which a wick recess 56 is formed immediately adjacent or below the substance outlet opening region 46.
  • this wicking recess 56 the free wicking end 7 forming the substance delivery region is received at a defined gap distance 62 with respect to the recess wall, so that the free wicking end 7 forming the substance delivery region is also arranged immediately adjacent or below the substance outlet opening region 46.
  • a ring made of a thermally conductive material, preferably an aluminum, is used here by way of example only, which serves to equalize the temperature in the area of the wick recess 56 or helps to avoid local hot spots in the area of the wick recess, so that the free wick end 57 in the wick recess is uniformly heated from all sides.
  • a ring 72 can of course also be used in the previously described first embodiment, that is to say quite generally in conjunction with wick recesses and is not bound to the embodiment according to FIG.
  • the radiator 52 also has here again a subsequent to the wick radiator portion 55 further portion which forms a hot air radiator portion 57.
  • the electrical resistance element 53 is arranged in this hot-air radiator region 57, this hot-air radiator region 57, together with the electrical resistance element 53 accommodated therein, being arranged directly adjacent or below the hot-air outlet opening region 47.
  • the electrical resistance element 53 is merely arranged in the region of an upper side 73 of the hot air radiator region 57 facing the hot air outlet opening region 47, preferably integrated into the hot air radiator region 57 such that the electrical resistance element 53 directly adjoins the hot air outlet opening region 47 facing the top of the hot air radiator portion 57 adjacent or even forms this top with.
  • the upper portion 73 of the hot-air radiator region 57 which has the upper side 73 and faces the hot-air outlet opening region 47, simultaneously forms part of the flow-guiding and / or deflection device and forms a ramp in the direction of the substance-air flow (characterized by the flow arrow 67) rising and the hot air flow (characterized by the flow arrow 68) conductive radiator-side flow guide.
  • the ramp-shaped flow-guiding element formed by the upper subregion 74 extends here as far as the mouth opening region of the recess 70 or into the mouth region of the recess 70 in that it simultaneously also contains the substance -Luftstrom and the hot air flow in the area upstream of the housing wall or inside the housing 37 functionally reliable separating shielding element forms and at the same time forms the substance outlet opening 46 and the hot air outlet opening 47 with or more or less separated.
  • the radiator-side flow guide formed by the upper portion 74 forms together with the, the hot air Auslassö Stamms Scheme 47 associated flow guide 49 (which may be formed here for example only by a guide vane or else part of a flow channel or a flow hood, as described above , may be), the hot air flow 63 in the direction of the substance-air flow 60 conductive and / or directing Strömungsleit- and / or deflection. 6 shows the flow conditions in the region above the device 1. The same applies essentially analogously for the embodiment of Figures 1 to 5.
  • the substance air stream 60 hits, then hit the hot air stream 63 and the substance air stream 60 seen in the flow and / or high axis direction in a defined height above the device 1 in a point of incidence 75 on each other and form a common substance hot air stream 64 from.
  • the heating element 8 then heats the hot air stream 63 to such a high temperature which drops only above the impact point 75 of the two air streams at a defined distance d to a temperature at which turbulence and / or turbulence 76 occur in the common substance.
  • Hot air stream 64 occurs, then it comes right there in this area for targeted delivery of the substance in the room, so that the evaporation can be selectively influenced and adjusted.
  • the hot air stream 63 has a temperature T1 in the region of the device 1, while the hot air stream 63, as a component of the substance hot air stream 64, at a distance d to the point of impingement 75, has a temperature T2 which is significantly lower as the temperature T1.

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Toxicology (AREA)
  • Environmental Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Catching Or Destruction (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

L'invention concerne un dispositif (1) comprenant un récipient (2) destiné à la substance (3) à distribuer, une mèche (4) placée en contact avec la substance (3) à distribuer, disposée au moins en partie dans le récipient (2), faisant partie du récipient (2) et se présentant sous la forme d'un élément capillaire comportant une zone de distribution de substance côté mèche (7). Selon l'invention, au moins un élément chauffant (8) peut être prévu pour générer, par dissipation de chaleur vers la zone de distribution de substance côté mèche (7), un flux d'air et de substance (60) enrichi en substance et s'échappant du dispositif (1) et pour générer, par dissipation de chaleur vers l'air entourant l'au moins un élément chauffant (8), un flux d'air chaud (63) sensiblement exempt de substance, s'échappant du dispositif (1) et de préférence plus chaud que le flux d'air et de substance (60). En outre, un moyen de guidage et/ou de déviation d'écoulement est prévu pour guider et/ou dévier au moins un des flux d'air qui s'échappent, de préférence le flux d'air chaud (63) exempt de substance, de sorte que les deux flux d'air s'échappant du dispositif (1) sont incidents l'un à l'autre, de préférence en formant un angle d'incidence défini, et forment un flux d'air chaud et de substance (64) s'écoulant du dispositif.
EP16731028.3A 2016-06-16 2016-06-16 Dispositif à mèche pour l'évaporation de parfum avec conduit d'écoulement Pending EP3471784A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/001006 WO2017215726A1 (fr) 2016-06-16 2016-06-16 Dispositif à mèche pour l'évaporation de parfum avec conduit d'écoulement

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EP3471784A1 true EP3471784A1 (fr) 2019-04-24

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US (1) US11534520B2 (fr)
EP (1) EP3471784A1 (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
WO2019024982A1 (fr) * 2017-08-01 2019-02-07 Ctr, Lda Dispositif de diffusion, en particulier de vaporisation, de substances volatiles, en particulier de substances parfumées et/ou actives
US10806816B2 (en) 2018-05-15 2020-10-20 The Procter & Gamble Company Microfluidic cartridge and microfluidic delivery device comprising the same
US20220072180A1 (en) * 2018-12-14 2022-03-10 Ctr, Lda Device and method for evaporating volatile substances, especially perfumes and/or insecticides, and heating body
JP7329730B2 (ja) * 2019-09-06 2023-08-21 パナソニックＩｐマネジメント株式会社 送風装置
US11554191B2 (en) * 2020-01-15 2023-01-17 S. C. Johnson & Son, Inc. Dispenser with an improved heater arrangement
GB2596796B (en) * 2020-07-01 2022-11-02 Greenbean Technical Ltd Apparatus for vapourising a liquid for supply to an environment
EP4301422A1 (fr) 2021-03-02 2024-01-10 CTR, Lda Dispositif et procédé de distribution de substances volatiles
WO2024067942A1 (fr) 2022-09-26 2024-04-04 Ctr, Lda Dispositif de distribution de substances volatiles, en particulier de parfums et/ou de substances actives

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CN109789235A (zh) 2019-05-21
US20190117818A1 (en) 2019-04-25
WO2017215726A1 (fr) 2017-12-21
CN109789235B (zh) 2022-08-16
US11534520B2 (en) 2022-12-27

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