WO2018024964A1 - Vaporising system for a motor vehicle - Google Patents

Vaporising system for a motor vehicle Download PDF

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Publication number
WO2018024964A1
WO2018024964A1 PCT/FR2017/051996 FR2017051996W WO2018024964A1 WO 2018024964 A1 WO2018024964 A1 WO 2018024964A1 FR 2017051996 W FR2017051996 W FR 2017051996W WO 2018024964 A1 WO2018024964 A1 WO 2018024964A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
nebulizing
filter
motor vehicle
compartment
Prior art date
Application number
PCT/FR2017/051996
Other languages
French (fr)
Inventor
Stéphane Petit
Franck Truillet
Vincent Feuillard
Original Assignee
Valeo Systemes Thermiques
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 Valeo Systemes Thermiques filed Critical Valeo Systemes Thermiques
Priority to EP17754733.8A priority Critical patent/EP3493913A1/en
Priority to CN201780045973.9A priority patent/CN109641225A/en
Publication of WO2018024964A1 publication Critical patent/WO2018024964A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B05B17/0653—Details
    • B05B17/0676—Feeding means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0012—Apparatus for achieving spraying before discharge from the apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0075—Nozzle arrangements in gas streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00—Other air-treating devices
    • B60H3/02—Moistening ; Devices influencing humidity levels, i.e. humidity control
    • B60H3/022—Moistening ; Devices influencing humidity levels, i.e. humidity control for only humidifying the air
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023—Water in cooling circuits
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F2006/006—Air-humidification, e.g. cooling by humidification with water treatment

Definitions

  • the invention relates to a nebulizing system for a motor vehicle.
  • a nebulizing system comprises a liquid water tank and acoustic wave emission device configured so that the water from the reservoir forms a mist of water droplets.
  • Such a nebulization system makes it possible to cool an air flow in which the mist of water is sprayed.
  • ventilators of the ventilation and / or air conditioning device In a motor vehicle, even equipped with a ventilation device and / or air conditioning, it is not uncommon for vehicle users to suffer from the heat in the passenger compartment, and in particular the passengers of the rear deck, which is further away. ventilators of the ventilation and / or air conditioning device.
  • a known nebulization system requires changing the water contained in the water tank frequently to avoid any health risk.
  • the object of the invention is to remedy at least partially this disadvantage.
  • the subject of the invention is a nebulizing system for a motor vehicle, comprising a liquid water reservoir and a nozzle of nebulization provided with an acoustic wave emission device configured so that the water coming from the reservoir forms a mist of water droplets, said mist being intended to penetrate into a passenger compartment of the motor vehicle, the system comprising a device of water purification.
  • the device for purifying water comprises at least one filter provided with a membrane provided with filtering pores of less than 0.5 ⁇ , and preferably less than 0.2 ⁇ .
  • the system comprises a water supply inlet of the reservoir comprising a filter of the purification device.
  • the nebulization system comprises a water transfer circuit from the reservoir to the nebulization nozzle, said circuit comprising a filter of the filtration device.
  • the transfer circuit comprises a pump for circulating water, said filter being arranged downstream of the pump relative to a direction of flow of water.
  • the reservoir comprises a water storage compartment and a nebulization compartment, the water storage compartment being provided with a filter of the purification device.
  • the air quality system comprises a water softener.
  • the water softener is arranged in a water passage channel between the storage compartment of water and nebulization compartment.
  • the system an air inlet duct in the system provided with an air purification filter.
  • the invention also relates to a ventilation device, heating and / or air conditioning for a motor vehicle, comprising a nebulization system as described above.
  • FIG. 1 The figure illustrates a schematic view of a nebulizing system of a motor vehicle according to the present invention.
  • the invention relates to a nebulization system of a motor vehicle, referenced 1 in the figure, also called nebulizer 1.
  • the nebulizer 1 refreshes a flow of air F to the passenger compartment 2 of the motor vehicle, as it will be detailed.
  • the nebulizer 1 comprises a water reservoir
  • the reservoir 3 is advantageously composed of a water storage compartment 4, fluidly connected to another water compartment 5, called the nebulization compartment.
  • the storage compartment 4 comprises an inlet 6 through which the nebulizer 1 is supplied with water.
  • the inlet 6 has a flared shape from an external orifice 7 to an internal orifice 8 disposed in the storage compartment 4.
  • the external orifice 7 has a diameter greater than a diameter of the internal orifice 8 so as to impart a funnel shape to the inlet 6 of the storage compartment 7.
  • the funnel shape makes it easier to direct the water into the nebulizer 7.
  • the nebulization compartment 5 is adapted to receive water from a nebulizing nozzle 9, as will be explained later.
  • the nebulizer 1 also comprises the nebulizing nozzle 9 provided with a device for emitting sound waves, preferably ultrasound, referenced 10.
  • the ultrasonic wave emitting device 10 comprises a piezoelectric element that vibrates when electrically powered.
  • the piezoelectric element 10 is for example a quartz.
  • the nebulizer 1 comprises a water transfer circuit 11 from the reservoir 3 to the nebulizing nozzle 9.
  • the water transfer circuit 1 1 comprises a main circuit 12 between the tank 3 and the nozzle 4 and a drain circuit 1 3.
  • the drain circuit 13 makes it possible to evacuate the water out of the nebulizer 1.
  • the main circuit 12 and the drain circuit 13 are connected by a three-way valve 14.
  • the main circuit 12 comprises a first branch 15 between the nebulizing compartment 8 and the three-way valve 14 and a second branch 16 between the three-way valve 14 and the nebulizing nozzle 9.
  • the first branch 15 comprises a pump 17 for moving water.
  • the nebulizing nozzle 9 comprises a water inlet orifice 18, connected to the second branch 16 of the main circuit 12.
  • the nebulizing nozzle 9 also includes an internal water circulation channel, not shown.
  • the water is subjected to the ultrasonic waves generated by the piezoelectric transmitter 10, which produces a mist of water droplets.
  • the water droplets have a diameter depending on the vibration frequency of the piezoelectric emitter.
  • the diameter of the droplets is less than 10 ⁇ .
  • the nebulizing nozzle 10 also comprises an outlet orifice 19.
  • the fog is directed towards the passenger compartment 2 of the motor vehicle, while a jet of water 20 coming from the internal circulation channel flows into the compartment 8.
  • the nebulizer 1 comprises a fog outlet duct 21 connected to aerators 22.
  • the fog circulates in the outlet duct 21 and then in the aerators 22, into the passenger compartment 2.
  • the fog is mixed with an air flow F 'upstream of the aerators.
  • the outlet duct 22 is advantageously provided with a flap 23 for controlling a fog flow.
  • the nebulization compartment 5 comprises an inlet duct 24 of an air flow F in the nebulizer 1.
  • the flow of air F helps to expel the fog in the duct 21.
  • the nebulizer 1 comprises a water purification device 25.
  • the water purification device 25 comprises at least one filter provided with a membrane provided with pores of less than 0.5 ⁇ m, and preferably less than 0.2 ⁇ m.
  • Such a membrane makes it possible to eliminate most of the bacteria.
  • the purification device 25 comprises two filters 26, 27.
  • a first filter 26 is disposed in the internal orifice 8 of the inlet 6 of the storage compartment 4, which makes it possible to remove large diameter particles in the water, in particular when filling the reservoir.
  • the pre-filter 26 advantageously retains particles whose diameter is greater than 2 ⁇ .
  • a second filter 27 is disposed in the first branch 15 of the main circuit 12.
  • the filter 27 is placed upstream and as close as possible to the nozzle generating the fog.
  • the second filter 27 is installed downstream of the pump relative to the flow direction of the water in the circuit, which makes it possible to avoid using a self-priming pump and facilitates any emptying of the pump. system.
  • the filter 27 advantageously retains particles whose diameter is greater than 0.2 ⁇ .
  • the purification device ensures that the water sprayed in the fog is healthy for the vehicle users.
  • the purification at the inlet of the nebulizer and / or in the transfer circuit also makes it possible to supply the nebulizer not necessarily with drinking water but, on the contrary, to supply it with sources of mineralized and / or non-potable water, such as example condensates of a heating device, ventilation and / or air conditioning of the motor vehicle or by rainwater.
  • the nebulizer also comprises a water softener 28.
  • the water softener 28 allows in a known manner to reduce the hardness of water by reducing the amount of limestone, and thereby increases the life of the system.
  • the water softener 28 is installed in a bottom of a connection channel 29 of the storage compartment 4 to the nebulization compartment 5.
  • the nebulizer 1 also comprises an air filter 30 disposed in the air inlet duct 24.
  • the purification of the air by the filter 30 allows an indirect purification of the water, since the air is in contact with the water in the tank and in the fog, and can contaminate these if it is not not purified.
  • the air filter 30 is disposed downstream of a fan 31 disposed in the air inlet duct 24.
  • the number of filters and / or the size of their filtering pores depends (ent) nebulizer, its dimensions and the dimensions of the vehicles.
  • the sound wave emission device is not limited to a piezoelectric type nozzle but other wave transmitters are of course conceivable, depending on the desired amplitude and frequency.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

A vaporising system (1) for a motor vehicle, comprising a liquid-water reservoir (3) and a nozzle (9) having a piezoelectric-type device (10) for emitting acoustic waves, configured such that the water from the reservoir (3) forms a mist of water droplets, said mist being intended to enter into a passenger compartment of the vehicle, and the system (1) comprising at least one water-purifying element (25).

Description

SYSTEME DE NEBULISATION POUR VEHICULE AUTOMOBILE  MOTOR VEHICLE NEBULIZATION SYSTEM
L'invention a pour objet un système de nébulisation pour véhicule automobile. The invention relates to a nebulizing system for a motor vehicle.
De façon connue, un système de nébulisation comprend un réservoir d'eau liquide et dispositif d'émission d'ondes acoustiques configuré de sorte que l'eau issue du réservoir forme un brouillard de gouttelettes d'eau. In known manner, a nebulizing system comprises a liquid water tank and acoustic wave emission device configured so that the water from the reservoir forms a mist of water droplets.
Un tel système de nébulisation permet de rafraîchir un flux d'air dans lequel le brouillard d'eau est pulvérisé. Such a nebulization system makes it possible to cool an air flow in which the mist of water is sprayed.
Dans un véhicule automobile, même muni d'un dispositif de ventilation et/ou climatisation, il n'est pas rare que les usagers du véhicule souffrent de la chaleur dans l'habitacle, et en particulier les passagers de la plage arrière, plus éloignée des aérateurs du dispositif de ventilation et/ou climatisation. In a motor vehicle, even equipped with a ventilation device and / or air conditioning, it is not uncommon for vehicle users to suffer from the heat in the passenger compartment, and in particular the passengers of the rear deck, which is further away. ventilators of the ventilation and / or air conditioning device.
De ce fait, il est intéressant de recourir à un système de nébulisation, puisqu'alors le brouillard d'eau rafraîchit rapidement l'air de l'habitacle, assurant une sensation de froid immédiat. Therefore, it is interesting to use a nebulization system, since the water mist quickly refreshes the air in the cabin, ensuring an immediate sensation of cold.
Toutefois, un système de nébulisation connu nécessite de changer l'eau contenue dans le réservoir d'eau fréquemment pour éviter tout risque sanitaire. However, a known nebulization system requires changing the water contained in the water tank frequently to avoid any health risk.
Il est prévu que l'usager du véhicule installe lui-même le réservoir à chaque utilisation du système de nébulisation, afin de permettre un renouvellement de l'eau. It is expected that the user of the vehicle installs the tank itself with each use of the nebulization system, to allow a renewal of the water.
Un tel procédé est bien entendu lourd au quotidien tant il est fastidieux à mettre en œuvre. Such a process is of course heavy on a daily basis as it is tedious to implement.
Le but de l'invention est de remédier au moins partiellement à cet inconvénient. The object of the invention is to remedy at least partially this disadvantage.
A cet effet, l'invention a pour objet un système de nébulisation pour véhicule automobile, comprenant un réservoir d'eau liquide et une buse de nébulisation munie d'un dispositif d'émission d'ondes acoustiques configuré de sorte que l'eau issue du réservoir forme un brouillard de gouttelettes d'eau, ledit brouillard étant destiné à pénétrer dans un habitacle du véhicule automobile, le système comprenant un dispositif de purification de l'eau. For this purpose, the subject of the invention is a nebulizing system for a motor vehicle, comprising a liquid water reservoir and a nozzle of nebulization provided with an acoustic wave emission device configured so that the water coming from the reservoir forms a mist of water droplets, said mist being intended to penetrate into a passenger compartment of the motor vehicle, the system comprising a device of water purification.
Ainsi, grâce à la présente invention, il est possible de s'affranchir de la provenance de l'eau, puisque l'eau est purifiée avant que le brouillard ne soit pulvérisé dans l'habitacle et d'éviter que l'usager n'ait lui-même à changer l'eau. Thus, thanks to the present invention, it is possible to overcome the source of water, since the water is purified before the fog is sprayed into the passenger compartment and to prevent the user from himself to change the water.
Selon une autre caractéristique de l'invention, le dispositif de purification de l'eau comprend au moins un filtre muni d'une membrane pourvue de pores filtrants inférieurs à 0,5 μιτι, et de préférence inférieurs à 0,2 μιη. According to another characteristic of the invention, the device for purifying water comprises at least one filter provided with a membrane provided with filtering pores of less than 0.5 μιτι, and preferably less than 0.2 μιη.
Selon une autre caractéristique de l'invention, le système comprend une entrée d'alimentation en eau du réservoir comportant un filtre du dispositif de purification. According to another characteristic of the invention, the system comprises a water supply inlet of the reservoir comprising a filter of the purification device.
Selon une autre caractéristique de l'invention, le système de nébulisation comprend un circuit de transfert d'eau depuis le réservoir jusqu'à la buse de nébulisation, ledit circuit comprenant un filtre du dispositif de filtration. According to another characteristic of the invention, the nebulization system comprises a water transfer circuit from the reservoir to the nebulization nozzle, said circuit comprising a filter of the filtration device.
Selon une autre caractéristique de l'invention, le circuit de transfert comprend une pompe de mise en circulation d'eau, ledit filtre étant disposé en aval de la pompe relativement à une direction d'écoulement de l'eau. According to another characteristic of the invention, the transfer circuit comprises a pump for circulating water, said filter being arranged downstream of the pump relative to a direction of flow of water.
Selon une autre caractéristique de l'invention, le réservoir comprend un compartiment de stockage d'eau et un compartiment de nébulisation, le compartiment de stockage d'eau étant muni d'un filtre du dispositif de purification. According to another characteristic of the invention, the reservoir comprises a water storage compartment and a nebulization compartment, the water storage compartment being provided with a filter of the purification device.
Selon une autre caractéristique de l'invention, le système de qualité d'air comprend un adoucisseur d'eau. According to another characteristic of the invention, the air quality system comprises a water softener.
Selon une autre caractéristique de l'invention, l'adoucisseur d'eau est disposé dans un canal de passage d'eau entre le compartiment de stockage d'eau et le compartiment de nébulisation. According to another characteristic of the invention, the water softener is arranged in a water passage channel between the storage compartment of water and nebulization compartment.
Selon une autre caractéristique de l'invention, le système un conduit d'entrée d'air dans le système muni d'un filtre de purification d'air. According to another characteristic of the invention, the system an air inlet duct in the system provided with an air purification filter.
L'invention a également pour objet un dispositif de ventilation, chauffage et/ou climatisation pour véhicule automobile, comprenant un système de nébulisation tel que décrit précédemment. The invention also relates to a ventilation device, heating and / or air conditioning for a motor vehicle, comprising a nebulization system as described above.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description qui va suivre. Celle-ci est purement illustrative et doit être lue en regard des dessins annexés sur lesquels : Other characteristics and advantages of the invention will appear on reading the description which follows. This is purely illustrative and should be read in conjunction with the attached drawings in which:
- la figure illustre une vue schématique d'un système de nébulisation d'un véhicule automobile selon la présente invention. - The figure illustrates a schematic view of a nebulizing system of a motor vehicle according to the present invention.
Nébuliseur Nebulizer
L'invention a pour objet un système de nébulisation d'un véhicule automobile, référencé 1 sur la figure, encore appelé nébuliseur 1 . The invention relates to a nebulization system of a motor vehicle, referenced 1 in the figure, also called nebulizer 1.
Le nébuliseur 1 permet de rafraîchir un flux d'air F à destination de l'habitacle 2 du véhicule automobile, comme il va être détaillé. The nebulizer 1 refreshes a flow of air F to the passenger compartment 2 of the motor vehicle, as it will be detailed.
Comme visible sur la figure, le nébuliseur 1 comprend un réservoir d'eauAs shown in the figure, the nebulizer 1 comprises a water reservoir
3. 3.
Comme visible sur la figure, le réservoir 3 est avantageusement composé d'un compartiment de stockage de l'eau, 4, relié fluidiquement à un autre compartiment d'eau 5, appelé compartiment de nébulisation. As shown in the figure, the reservoir 3 is advantageously composed of a water storage compartment 4, fluidly connected to another water compartment 5, called the nebulization compartment.
Le compartiment de stockage 4 comprend une entrée 6 par laquelle le nébuliseur 1 est approvisionné en eau. The storage compartment 4 comprises an inlet 6 through which the nebulizer 1 is supplied with water.
Comme visible sur la figure, l'entrée 6 présente une forme évasée depuis un orifice externe 7 jusqu'à un orifice interne 8 disposé dans le compartiment de stockage 4. L'orifice externe 7 présente un diamètre supérieur à un diamètre de l'orifice interne 8 de sorte à conférer une forme d'entonnoir à l'entrée 6 du compartiment de stockage 7. As shown in the figure, the inlet 6 has a flared shape from an external orifice 7 to an internal orifice 8 disposed in the storage compartment 4. The external orifice 7 has a diameter greater than a diameter of the internal orifice 8 so as to impart a funnel shape to the inlet 6 of the storage compartment 7.
La forme en entonnoir permet de mieux diriger l'eau dans le nébuliseur 7. The funnel shape makes it easier to direct the water into the nebulizer 7.
Le compartiment de nébulisation 5 est adapté pour recevoir l'eau issue d'une buse de nébulisation 9, comme il va être expliqué par la suite. The nebulization compartment 5 is adapted to receive water from a nebulizing nozzle 9, as will be explained later.
Le nébuliseur 1 comprend également la buse de nébulisation 9 munie d'un dispositif d'émission d'ondes sonores, de préférence ultrasonores, référencé 10. The nebulizer 1 also comprises the nebulizing nozzle 9 provided with a device for emitting sound waves, preferably ultrasound, referenced 10.
Le dispositif d'émission d'ondes ultrasonores 10 comprend un élément piézoélectrique qui vibre quand il est alimenté électriquement. The ultrasonic wave emitting device 10 comprises a piezoelectric element that vibrates when electrically powered.
L'élément piézoélectrique 10 est par exemple un quartz. The piezoelectric element 10 is for example a quartz.
Comme visible sur la figure, le nébuliseur 1 comprend un circuit de transfert d'eau 1 1 depuis le réservoir 3 jusqu'à la buse de nébulisation 9. As can be seen in the figure, the nebulizer 1 comprises a water transfer circuit 11 from the reservoir 3 to the nebulizing nozzle 9.
Le circuit de transfert d'eau 1 1 comprend un circuit principal 12 entre le réservoir 3 et la buse 4 et un circuit de vidange 1 3. The water transfer circuit 1 1 comprises a main circuit 12 between the tank 3 and the nozzle 4 and a drain circuit 1 3.
Le circuit de vidange 13 permet d'évacuer l'eau hors du nébuliseur 1 . The drain circuit 13 makes it possible to evacuate the water out of the nebulizer 1.
Le circuit principal 12 et le circuit de vidange 13 sont connectés par une vanne trois voies 14. The main circuit 12 and the drain circuit 13 are connected by a three-way valve 14.
Le circuit principal 12 comprend une première branche 15 entre le compartiment de nébulisation 8 et la vanne trois voies 14 et une deuxième branche 16 entre la vanne trois voies 14 et la buse de nébulisation 9. The main circuit 12 comprises a first branch 15 between the nebulizing compartment 8 and the three-way valve 14 and a second branch 16 between the three-way valve 14 and the nebulizing nozzle 9.
Comme visible sur la figure, la première branche 15 comprend une pompe 17 de mise en mouvement de l'eau. As shown in the figure, the first branch 15 comprises a pump 17 for moving water.
La buse de nébulisation 9 comprend un orifice 18 d'entrée de l'eau, connecté à la deuxième branche 16 du circuit principal 12. La buse de nébulisation 9 comprend également un canal interne de circulation d'eau, non illustré. The nebulizing nozzle 9 comprises a water inlet orifice 18, connected to the second branch 16 of the main circuit 12. The nebulizing nozzle 9 also includes an internal water circulation channel, not shown.
Dans ce canal, l'eau est soumise aux ondes ultrasonores générées par l'émetteur piézoélectrique 10, ce qui produit un brouillard de gouttelettes d'eau. In this channel, the water is subjected to the ultrasonic waves generated by the piezoelectric transmitter 10, which produces a mist of water droplets.
Les gouttelettes d'eau présentent un diamètre dépendant de la fréquence de vibration de l'émetteur piézoélectrique. The water droplets have a diameter depending on the vibration frequency of the piezoelectric emitter.
Par exemple, le diamètre des gouttelettes est inférieur à 10 μιτι. For example, the diameter of the droplets is less than 10 μιτι.
La buse de nébulisation 10 comprend également un orifice de sortie 19. The nebulizing nozzle 10 also comprises an outlet orifice 19.
Par l'orifice de sortie 19, le brouillard se dirige vers l'habitacle 2 du véhicule automobile, tandis qu'un jet d'eau 20 issu du canal interne de circulation s'écoule dans le compartiment 8. Through the outlet orifice 19, the fog is directed towards the passenger compartment 2 of the motor vehicle, while a jet of water 20 coming from the internal circulation channel flows into the compartment 8.
Comme visible sur la figure, le nébuliseur 1 comprend un conduit 21 de sortie du brouillard connecté à des aérateurs 22. As can be seen in the figure, the nebulizer 1 comprises a fog outlet duct 21 connected to aerators 22.
Le brouillard circule dans le conduit de sortie 21 puis dans les aérateurs 22, jusque dans l'habitacle 2. The fog circulates in the outlet duct 21 and then in the aerators 22, into the passenger compartment 2.
Comme visible sur la figure, le brouillard est mélangé à un flux d'air F' en amont des aérateurs. As shown in the figure, the fog is mixed with an air flow F 'upstream of the aerators.
Le conduit de sortie 22 est avantageusement muni d'un volet 23 permettant de commander un débit de brouillard. The outlet duct 22 is advantageously provided with a flap 23 for controlling a fog flow.
Comme visible sur la figure, le compartiment de nébulisation 5 comprend un conduit 24 d'entrée d'un flux d'air F dans le nébuliseur 1 . As can be seen in the figure, the nebulization compartment 5 comprises an inlet duct 24 of an air flow F in the nebulizer 1.
Le flux d'air F contribue à expulser le brouillard dans le conduit 21 . The flow of air F helps to expel the fog in the duct 21.
Eléments de traitement Treatment elements
Comme visible sur la figure, le nébuliseur 1 comprend un dispositif de purification de l'eau 25. Le dispositif de purification de l'eau 25 comprend au moins un filtre muni d'une membrane pourvue de pores inférieurs à 0,5 μιτι, et de préférence inférieurs à 0,2 μιη. As shown in the figure, the nebulizer 1 comprises a water purification device 25. The water purification device 25 comprises at least one filter provided with a membrane provided with pores of less than 0.5 μm, and preferably less than 0.2 μm.
Une telle membrane permet d'éliminer la plupart des bactéries. Such a membrane makes it possible to eliminate most of the bacteria.
Sur le mode de réalisation illustré, le dispositif de purification 25 comprend deux filtres 26, 27. In the illustrated embodiment, the purification device 25 comprises two filters 26, 27.
Un premier filtre 26 est disposé dans l'orifice interne 8 de l'entrée 6 du compartiment de stockage 4, ce qui permet d'éliminer des particules de gros diamètre dans l'eau, en particulier lors du remplissage du réservoir. A first filter 26 is disposed in the internal orifice 8 of the inlet 6 of the storage compartment 4, which makes it possible to remove large diameter particles in the water, in particular when filling the reservoir.
On parle éventuellement de pré-filtre. We speak eventually of pre-filter.
Le pré-filtre 26 retient avantageusement des particules dont le diamètre est supérieur à 2 μιη. The pre-filter 26 advantageously retains particles whose diameter is greater than 2 μιη.
Un deuxième filtre 27 est disposé dans la première branche 15 du circuit principal 12. A second filter 27 is disposed in the first branch 15 of the main circuit 12.
Le filtre 27 est placé en amont et au plus près de la buse générant le brouillard. The filter 27 is placed upstream and as close as possible to the nozzle generating the fog.
Comme visible sur la figure, le deuxième filtre 27 est installé en aval de la pompe relativement à la direction d'écoulement de l'eau dans le circuit, ce qui permet d'éviter une utilisation de pompe auto-amorçante et facilite toute vidange du système. As can be seen in the figure, the second filter 27 is installed downstream of the pump relative to the flow direction of the water in the circuit, which makes it possible to avoid using a self-priming pump and facilitates any emptying of the pump. system.
Le filtre 27 retient avantageusement des particules dont le diamètre est supérieur à 0,2 μιη. The filter 27 advantageously retains particles whose diameter is greater than 0.2 μιη.
Le dispositif de purification 25 assure que l'eau pulvérisée dans le brouillard soit saine pour les usagers du véhicule. The purification device ensures that the water sprayed in the fog is healthy for the vehicle users.
C'est d'autant plus important quand les gouttelettes présentent un diamètre inférieur à 10 μιτι, auquel cas elles pénètrent jusque dans les poumons des usagers du véhicule. La purification en entrée du nébuliseur et/ou dans le circuit de transfert permet également d'alimenter le nébuliseur non pas nécessairement en eau potable mais au contraire de l'approvisionner par des sources d'eau minéralisée et/ou non potable, telle que par exemple des condensais d'un dispositif de chauffage, ventilation et/ou climatisation du véhicule automobile ou encore par de l'eau de pluie. This is especially important when the droplets have a diameter less than 10 μιτι, in which case they penetrate into the lungs of the vehicle users. The purification at the inlet of the nebulizer and / or in the transfer circuit also makes it possible to supply the nebulizer not necessarily with drinking water but, on the contrary, to supply it with sources of mineralized and / or non-potable water, such as example condensates of a heating device, ventilation and / or air conditioning of the motor vehicle or by rainwater.
Sur le mode de réalisation illustré, le nébuliseur comprend également un adoucisseur d'eau 28. In the illustrated embodiment, the nebulizer also comprises a water softener 28.
L'adoucisseur d'eau 28 permet de façon connue de réduire la dureté de l'eau par réduction de la quantité de calcaire, et augmente de ce fait la durée de vie du système. The water softener 28 allows in a known manner to reduce the hardness of water by reducing the amount of limestone, and thereby increases the life of the system.
L'adoucisseur d'eau 28 est installé dans un fond d'un canal de connexion 29 du compartiment de stockage 4 au compartiment de nébulisation 5. The water softener 28 is installed in a bottom of a connection channel 29 of the storage compartment 4 to the nebulization compartment 5.
Comme visible sur la figure, le nébuliseur 1 comprend également un filtre à air 30, disposé dans le conduit d'entrée d'air 24. As can be seen in the figure, the nebulizer 1 also comprises an air filter 30 disposed in the air inlet duct 24.
La purification de l'air par le filtre 30 permet une purification indirecte de l'eau, puisque l'air est au contact de l'eau dans le réservoir et dans le brouillard, et peut contaminer ceux-ci s'il n'est pas purifié. The purification of the air by the filter 30 allows an indirect purification of the water, since the air is in contact with the water in the tank and in the fog, and can contaminate these if it is not not purified.
Le filtre à air 30 est disposé en aval d'un ventilateur 31 disposé dans le conduit d'entrée d'air 24. The air filter 30 is disposed downstream of a fan 31 disposed in the air inlet duct 24.
Il est également possible de placer le filtre 30 en amont du ventilateur 31 afin de réduire les pertes de charge. It is also possible to place the filter 30 upstream of the fan 31 in order to reduce the pressure drops.
Variantes variants
L'invention a été décrite en relation avec le mode de réalisation illustré. The invention has been described in connection with the illustrated embodiment.
Bien entendu, l'invention ne se limite pas à ce mode de réalisation. Of course, the invention is not limited to this embodiment.
En particulier, le nombre de filtres et/ou la dimension de leurs pores filtrants dépend(ent) du nébuliseur, de ses dimensions ainsi que des dimensions du véhicules. In particular, the number of filters and / or the size of their filtering pores depends (ent) nebulizer, its dimensions and the dimensions of the vehicles.
De même, le dispositif d'émission d'ondes sonores n'est pas limité à une buse de type piézoélectrique mais d'autres émetteurs d'ondes sont bien entendues envisageables, selon l'amplitude et la fréquence souhaitées. Similarly, the sound wave emission device is not limited to a piezoelectric type nozzle but other wave transmitters are of course conceivable, depending on the desired amplitude and frequency.

Claims

REVENDICATIONS
1 . Système de nébulisation pour véhicule automobile, comprenant un réservoir d'eau liquide (3) et une buse de nébulisation (9) munie d'un dispositif d'émission d'ondes acoustiques (10) configuré de sorte que l'eau issue du réservoir forme un brouillard de gouttelettes d'eau, ledit brouillard étant destiné à pénétrer dans un habitacle (2) du véhicule automobile, le système (1 ) comprenant un dispositif de purification de l'eau (25). 1. Nebulizing system for a motor vehicle, comprising a liquid water tank (3) and a nebulizing nozzle (9) equipped with an acoustic wave emission device (10) configured so that the water coming from the reservoir form a mist of water droplets, said fog being intended to enter a passenger compartment (2) of the motor vehicle, the system (1) comprising a water purification device (25).
2. Système de nébulisation selon la revendication 1 , dans lequel le dispositif de purification de l'eau (25) comprend au moins un filtre (26, 27) muni d'une membrane pourvue de pores filtrants inférieurs à 0,5 μιτι, et de préférence inférieurs à 0,2 μιη. 2. Nebulizing system according to claim 1, wherein the water purification device (25) comprises at least one filter (26, 27) provided with a membrane provided with filter pores of less than 0.5 μιτι, and preferably less than 0.2 μιη.
3. Système de nébulisation selon la revendication précédente, comprenant une entrée d'alimentation en eau (6) du réservoir (3) comportant un filtre (26) du dispositif de purification (25). 3. Nebulizing system according to the preceding claim, comprising a water supply inlet (6) of the reservoir (3) comprising a filter (26) of the purification device (25).
4. Système de nébulisation selon l'une des revendications 2 ou 3, comprenant un circuit de transfert d'eau (1 1 ) depuis le réservoir (3) jusqu'à la buse de nébulisation (9), ledit circuit de transfert (1 1 ) comprenant un filtre (27) du dispositif de filtration (25). 4. Nebulizing system according to one of claims 2 or 3, comprising a water transfer circuit (1 1) from the tank (3) to the nebulizing nozzle (9), said transfer circuit (1). 1) comprising a filter (27) of the filtration device (25).
5. Système de nébulisation selon la revendication précédente, dans lequel le circuit de transfert (1 1 ) comprend une pompe de mise en circulation d'eau (17), ledit filtre (27) étant disposé en aval de la pompe (17) relativement à une direction d'écoulement de l'eau. 5. nebulization system according to the preceding claim, wherein the transfer circuit (1 1) comprises a water circulation pump (17), said filter (27) being disposed downstream of the pump (17) relatively at a direction of flow of water.
6. Système de nébulisation selon l'une des revendications 2 à 5, dans lequel le réservoir (3) comprend un compartiment de stockage d'eau (4) et un compartiment de nébulisation (5), le compartiment de stockage d'eau (4) étant muni d'un filtre (26) du dispositif de purification (25). Nebulizing system according to one of claims 2 to 5, wherein the reservoir (3) comprises a water storage compartment (4) and a nebulizing compartment (5), the water storage compartment ( 4) being provided with a filter (26) of the purification device (25).
7. Système de nébulisation selon l'une des revendications précédentes, comprenant un adoucisseur d'eau (28). Nebulizing system according to one of the preceding claims, comprising a water softener (28).
8. Système de nébulisation selon la revendication précédente quand elle dépend de la revendication 6, dans lequel l'adoucisseur d'eau (28) est disposé dans un canal de passage d'eau (29) entre le compartiment de stockage d'eau (4) et le compartiment de nébulisation (5). 8. Nebulizing system according to the preceding claim when it depends on claim 6, wherein the water softener (28) is disposed in a water passage channel (29) between the water storage compartment ( 4) and the nebulization compartment (5).
5 9. Système de nébulisation selon l'une des revendications précédentes, comprenant un conduit d'entrée d'air (24) dans le système muni d'un filtre de purification d'air (30). The nebulization system according to one of the preceding claims, comprising an air inlet duct (24) in the system provided with an air purification filter (30).
10. Dispositif de ventilation, chauffage et/ou climatisation pour véhicule automobile, comprenant un système de nébulisation (1 ) selon l'une i o quelconque des revendications précédentes. 10. Ventilation device, heating and / or air conditioning for a motor vehicle, comprising a nebulizing system (1) according to any one of the preceding claims.
PCT/FR2017/051996 2016-08-04 2017-07-20 Vaporising system for a motor vehicle WO2018024964A1 (en)

Priority Applications (2)

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EP17754733.8A EP3493913A1 (en) 2016-08-04 2017-07-20 Vaporising system for a motor vehicle
CN201780045973.9A CN109641225A (en) 2016-08-04 2017-07-20 Nebulizer systems for motor vehicles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1601203A FR3054810B1 (en) 2016-08-04 2016-08-04 NEBULATION SYSTEM FOR MOTOR VEHICLE
FR1601203 2016-08-04

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FR3086586A1 (en) * 2018-09-27 2020-04-03 Valeo Systemes Thermiques AIR PURIFICATION SYSTEM FOR MOTOR VEHICLE
CN111775666A (en) * 2020-06-19 2020-10-16 北京汽车股份有限公司 Humidification air conditioning box and vehicle

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FR3004971A1 (en) * 2013-04-30 2014-10-31 Areco Finances Et Technologie Arfitec NEBULIZATION SYSTEM FOR AIR REFRIGERATION

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US4257989A (en) * 1979-02-22 1981-03-24 Tdk Electronics Co., Ltd. Humidifier
US5407604A (en) * 1994-01-26 1995-04-18 Luffman; Douglas Humidifier using a neubilizer
US20070245751A1 (en) * 2004-05-18 2007-10-25 Airbus Deutschland Gmbh Apparatus For The Humidification Of The Air In A Cabin Of A Passenger Or Cargo Aircraft
EP2683658A1 (en) * 2011-03-07 2014-01-15 Peugeot Citroën Automobiles SA Device for decontaminating a liquid, system for cooling air by vaporization equipped with such a device, cooling process, and associated automotive vehicle
FR3004971A1 (en) * 2013-04-30 2014-10-31 Areco Finances Et Technologie Arfitec NEBULIZATION SYSTEM FOR AIR REFRIGERATION

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Publication number Priority date Publication date Assignee Title
FR3086586A1 (en) * 2018-09-27 2020-04-03 Valeo Systemes Thermiques AIR PURIFICATION SYSTEM FOR MOTOR VEHICLE
CN111775666A (en) * 2020-06-19 2020-10-16 北京汽车股份有限公司 Humidification air conditioning box and vehicle
CN111775666B (en) * 2020-06-19 2022-02-18 北京汽车股份有限公司 Humidification air conditioning box and vehicle

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EP3493913A1 (en) 2019-06-12
CN109641225A (en) 2019-04-16
FR3054810B1 (en) 2019-08-02

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