EP3328513B1 - Procédé et dispositif de production d'une nappe de brouillard au sol - Google Patents

Procédé et dispositif de production d'une nappe de brouillard au sol Download PDF

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Publication number
EP3328513B1
EP3328513B1 EP16777889.3A EP16777889A EP3328513B1 EP 3328513 B1 EP3328513 B1 EP 3328513B1 EP 16777889 A EP16777889 A EP 16777889A EP 3328513 B1 EP3328513 B1 EP 3328513B1
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EP
European Patent Office
Prior art keywords
fog
mixing chamber
water
fan
mist
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Application number
EP16777889.3A
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German (de)
English (en)
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EP3328513A1 (fr
Inventor
Mario TOMAZETICH
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Individual
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Priority to SI201630396T priority Critical patent/SI3328513T1/sl
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J5/00—Auxiliaries for producing special effects on stages, or in circuses or arenas
    • A63J5/02—Arrangements for making stage effects; Auxiliary stage appliances
    • A63J5/025—Devices for making mist or smoke effects, e.g. with liquid air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
    • 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

Definitions

  • the invention relates to a method and a device for producing ground fog as an effect, for example in the field of stage technology, with a fog fluid, e.g. Glycol-based fog machine evaporating.
  • a fog fluid e.g. Glycol-based fog machine evaporating.
  • Known fog machines evaporate a fog fluid, which in different composition meets the requirements together with the setting parameters of the machines. For example, the service life and the density as well as the flow rate can be adjusted and varied. Even in fire-fighting exercises, stage fog is used to simulate smoke, so that the handling of respiratory protection equipment can be trained in a realistic way.
  • stage fog is used to simulate smoke, so that the handling of respiratory protection equipment can be trained in a realistic way.
  • dry ice which causes or supports special stage effects like a foam carpet
  • dry ice namely solid, frozen CO 2
  • This evaporates at room temperature a very nice, uniform and long-lasting fog layer forms on the floor, which can be even better staged by light effects.
  • the procurement and cooling of sufficient quantities of dry ice is problematic and also expensive. It has also been used for this purpose, liquid nitrogen, which, however, must also be cooled.
  • hazers are known for cooling on hot days, ie fans with fine water droplets in the air stream. These cool down the airflow and positively influence the sensation of humans in high heat.
  • the invention aims to provide a process for the production of an effective ground fog which is long-lasting, in no way harmful to health is perceived as pleasant by singers, actors, musicians and the public.
  • a device according to claim 1 It is particularly useful to guide the mist of a fog machine under pressure flowing mist for water enrichment through a water bath from which the mist rises again and is blown out. It has proved to be particularly effective if water droplets, preferably finely atomized water with a droplet size of 2 ⁇ to 10 ⁇ are added to the mist from the fog machine for enrichment with water, which keep the mist on the ground. These finest water droplets adhere to the nebulae, stabilize them and hold them to the ground. Even if such a ground fog flows in an orchestra pit and then further into the audience, no unpleasant odor is felt. This fog is perceived as refreshing. Also on the vocal chords of singers this fog has a positive influence.
  • a particular embodiment of the device is characterized in that the mist formed in the fog machine is guided into the intake region of a fan in whose overpressure air flow one or more ultrasonic atomizers are provided in the center of the fan or in the vicinity thereof. Due to the water already contained in the air stream mixing is accelerated and the mist exits immediately with a correspondingly adjustable speed.
  • the individual parameters such as amount of mist, flow rate and water content can be set separately because the mixing zone is designed as a mixing chamber and each has an input for the smoke machine and a forced air flow from a fan and if the air flow and the mist in the mixing chamber on the Water atomizer and are guided over at least one downstream baffle for water separation.
  • the mixing chamber contains a baffle before the mist leaves the mixing chamber. This acts as a water separator, must be overflowed and deprives the mist of excess water. Height and inclination are adjustable to achieve the desired water content in the fog. The excess water passes directly to the atomizer and is used in this way again useful.
  • the water atomizer can be assigned directly to the fan arranged at the outlet of a fog machine, from which the finished ground fog then emerges.
  • the fan with atomizer can also blow the water-enriched air into a mixing chamber, into which the mist of a fog machine passes.
  • the mixing chamber contains at least one baffle for separating excess water. Following the baffle, the finished ground fog exits. It is expedient if integrated in the mixing zone or in the mixing chamber, a cooling device or the mixing chamber is connected downstream. This measure supports the formation of ground fog.
  • a particularly effective embodiment is characterized in that Peltier elements are provided following at least one baffle wall, in particular between a plurality of spaced-apart baffles, which form a labyrinth with opposing baffles dipping into the intermediate spaces.
  • Fig. 1 is the output of the fog machine 1, a fan 2 downstream, which accelerates the fog from the fog machine 1 as needed and in the overpressure area a water atomizer 3 is arranged.
  • the latter is fed via a tube 4 from a water tank 5.
  • the water atomizer 3 may be formed as a spray nozzle when the water is supplied or sucked out at elevated pressure. However, it is particularly expedient if the water atomizer 3 operates on an ultrasound basis, as is known in humidifiers.
  • the mist picks up the very fine water droplets in a mixing zone 6, which is formed by a mixing chamber 7, and leaves the device designed as an accessory to the smoke machine 1 at a mouthpiece 8 as water-enriched, heavy ground mist.
  • Both the fan speed and the amount of atomized water are adjustable so that the ground fog can be adapted to the requirements. The adjustments are made such that the ground fog leaves no traces of moisture on a stage or the like. If the fog machine 1 is already equipped with a fan at the output, then eliminates the fan 2 and it can be turned on immediately the atomizer 3 in the expelled fog stream. According to Fig. 1 the positioning of the atomizer 3 in the center of the mist-air flow is expedient. Alternatively or additionally, atomizers 3 may also be provided in a ring shape in the mist-air flow.
  • Fig. 2 shows a variant of one of the smoke machine 1 downstream device.
  • This device has a housing with an inlet 9 for the fog of the fog machine 1 and a second inlet 10 for the intake of air through a Variable-speed fan 11.
  • an atomizer 12 is provided, which is in communication with a water tank (not shown).
  • the sprayer 12 sprayed upward, ie directly into the mixing zone with the incoming mist and the injected air from the fan 11.
  • the region of the housing is referred to as a mixing chamber 13.
  • the water-enriched mist passes into a water separator 14 before it exits a mouthpiece 15.
  • the water separator 14 here comprises a plurality of baffles 16, which form a labyrinth for the flowing mist and remove excess water from the mist. The latter flows back to the atomizer 12.
  • a cooling device 17 for the flowing mist which may be formed for example by Peltier elements.
  • Fig. 3 relates to an embodiment in which the atomizer 18 is not located at the bottom of the mixing chamber 13 (FIG. Fig. 2 ), but as with Fig. 1 immediately downstream of a fan 19 for fresh air.
  • the mist is combined with the water droplets from the fan flow.
  • a baffle 21 for the separation of excess water is symbolically represented. The enriched, heavy mist must exceed this baffle 21, does not lose sufficient water bound to the nebulas and passes behind the baffle 21 to a lower-lying outlet 22, which may be surrounded by a cooling sleeve.
  • Fig. 4 refers to Fig. 2 but may apply mutatis mutandis to other embodiments.
  • the two inputs 9 and 10 lead the fog flow and the air flow not parallel, but at an acute angle to each other - here with crossing point in the cloud of sprayed from the atomizer 12 water droplets. It comes to a particularly good mixing and connection of the very fine water droplets to the fog.
  • the water separator 14 ensures that the exiting mist remains enriched with water, but does not lose excess water, so as not to wet the stage, the actors, the spectators or objects.
  • mist and water droplets are also possible in countercurrent. It can, for example in Fig. 4 the water atomizer 12 be directed obliquely against the oncoming mist and against the air flow of the fan 11. As a result, an increase in efficiency and an even better connection of the water droplets to the mist occur.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Special Spraying Apparatus (AREA)
  • Treating Waste Gases (AREA)

Claims (7)

  1. Dispositif qui est destiné à mettre en oeuvre un procédé de fabrication d'un tapis de brouillard afin de créer des effets, par exemple sur une scène de spectacle, et qui comprend une machine fumigène vaporisant un fluide fumigène, par exemple à base de glycols, caractérisé en ce qu'une zone de mélange (6), réalisée sous forme d'une chambre de mélange (7, 13, 20) et servant à mélanger ledit brouillard avec des gouttelettes d'eau issues d'un atomiseur à ultrasons (3, 12, 18), est disposée en aval de la machine fumigène (1), la chambre de mélange (7, 13, 20) étant pourvue d'entrées (9, 10) destinées, respectivement, pour la machine fumigène (1) et pour un flux d'air forcé en provenance d'un ventilateur (2, 11, 19), ledit flux d'air et le brouillard passant également, au sein de la chambre de mélange (7, 13 ,20), par l'atomiseur à ultrasons (3, 12, 18) et puis, en aval, par au moins une chicane (16, 21) qui permet une condensation d'eau.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'atomiseur à ultrasons (3, 12, 18) produit des gouttelettes d'eau ayant une taille de gouttelette comprise entre 2 µm et 10 µm, lesquelles peuvent ensuite être mélangées au brouillard issu de la machine fumigène.
  3. Dispositif selon les revendications 1 ou 2, caractérisé en ce que le brouillard produit au sein de la machine fumigène (1) est passée dans la zone d'aspiration du ventilateur (2, 11, 19), un ou plusieurs atomiseurs à ultrasons étant disposés dans le flux d'air à pression positive de ce dernier, à savoir au centre du ventilateur (2, 11, 19) ou dans les environs de celui-ci.
  4. Dispositif selon les revendications 1 ou 2, caractérisé en ce que les flux d'air et de brouillard entrent dans la chambre de mélange (7, 13, 20) selon un angle aigu, de manière à qu'ils rencontrent, préférentiellement à contre-courant, les gouttelettes issues de l'atomiseur à ultrasons (3, 12, 18), puis quittent la chambre de mélange (7, 13, 20) suivant l'axe de symétrie de celle-ci, sous forme d'un tapis de brouillard.
  5. Dispositif selon les revendications 1 ou 2, caractérisé en ce que l'atomiseur à ultrasons (3, 12, 18) est disposé au centre d'un ventilateur (2, 11, 19) soufflant l'air enrichi en eau dans la zone de mélange (6) laquelle est réalisée sous forme d'une chambre de mélange (7, 13, 20) et de laquelle le brouillard sortira, après avoir franchi une chicane (16, 21).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce qu'un organe de refroidissement (17) est intégré à la chambre de mélange (7, 13, 20) ou situé en aval de la chambre de mélange (7, 13, 20).
  7. Dispositif selon la revendication 6, caractérisé en ce qu'en tant qu'organe de refroidissement (17), des modules Peltier sont disposés entre plusieurs chicanes (16, 21) qui sont espacées les unes des autres, de manière à former un labyrinthe avec des chicanes (16, 21) opposées s'avançant dans les interstices.
EP16777889.3A 2015-07-31 2016-08-01 Procédé et dispositif de production d'une nappe de brouillard au sol Active EP3328513B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201630396T SI3328513T1 (sl) 2015-07-31 2016-08-01 Postopek in naprava za izdelavo talne megle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50692/2015A AT517497A1 (de) 2015-07-31 2015-07-31 Verfahren und Vorrichtung zur Herstellung von Bodennebel
PCT/AT2016/060023 WO2017020057A1 (fr) 2015-07-31 2016-08-01 Procédé et dispositif de production d'une nappe de brouillard au sol

Publications (2)

Publication Number Publication Date
EP3328513A1 EP3328513A1 (fr) 2018-06-06
EP3328513B1 true EP3328513B1 (fr) 2019-06-19

Family

ID=57103739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16777889.3A Active EP3328513B1 (fr) 2015-07-31 2016-08-01 Procédé et dispositif de production d'une nappe de brouillard au sol

Country Status (8)

Country Link
US (1) US20180221785A1 (fr)
EP (1) EP3328513B1 (fr)
AT (1) AT517497A1 (fr)
CA (1) CA2994021C (fr)
EA (1) EA035243B1 (fr)
ES (1) ES2746329T3 (fr)
SI (1) SI3328513T1 (fr)
WO (1) WO2017020057A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519865B1 (de) * 2017-06-16 2018-11-15 Mario Gerard Tomazetich Vorrichtung zur Herstellung von Effektnebel
US10909883B2 (en) * 2019-01-31 2021-02-02 BubblePOP Entertainment/educational system and associated apparatus, methods and uses
WO2020190937A1 (fr) * 2019-03-19 2020-09-24 Froggy's Fog, Llc Machine à brouillard à humidité contrôlée

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3126952A1 (de) * 1981-07-08 1983-02-10 Zitrone Musik Instrumente + Elektronik Vertriebs GmbH, 8000 München "nebelgenerator"
EP0158038B1 (fr) * 1984-02-16 1988-06-01 Reinhard Simon Générateur de brouillard
FR2592472A1 (fr) * 1985-12-31 1987-07-03 Bai Sarl Stand Procede et installation de production de fumee lourde formant brouillard rampant.
US8755679B2 (en) * 2006-04-05 2014-06-17 Horiba Stec, Co., Ltd. Liquid material vaporizer
US7810742B2 (en) * 2007-05-21 2010-10-12 Zvi Levi Ultrasonic fog generator
US20150013562A1 (en) * 2013-07-12 2015-01-15 Martin Professionals A/S Smoke generator and method of controlling a smoke generation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3328513A1 (fr) 2018-06-06
WO2017020057A1 (fr) 2017-02-09
EA035243B1 (ru) 2020-05-20
CA2994021A1 (fr) 2017-02-02
CA2994021C (fr) 2023-09-26
SI3328513T1 (sl) 2019-11-29
US20180221785A1 (en) 2018-08-09
AT517497A1 (de) 2017-02-15
ES2746329T3 (es) 2020-03-05
EA201890388A1 (ru) 2018-08-31

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