EP3260630B1 - Installation for practising aquatic activities and method of generating a standing wave - Google Patents

Installation for practising aquatic activities and method of generating a standing wave Download PDF

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Publication number
EP3260630B1
EP3260630B1 EP17183634.9A EP17183634A EP3260630B1 EP 3260630 B1 EP3260630 B1 EP 3260630B1 EP 17183634 A EP17183634 A EP 17183634A EP 3260630 B1 EP3260630 B1 EP 3260630B1
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EP
European Patent Office
Prior art keywords
basin
water
flow path
deflector device
end portion
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EP17183634.9A
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German (de)
French (fr)
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EP3260630A1 (en
Inventor
Gilles Bernard
Pascal Simon
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Hydrostadium SA
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Hydrostadium SA
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Priority to SI200732102T priority Critical patent/SI3260630T1/en
Publication of EP3260630A1 publication Critical patent/EP3260630A1/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/12—Arrangements in swimming pools for teaching swimming or for training
    • A63B69/125—Devices for generating a current of water in swimming pools
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/0006—Devices for producing waves in swimming pools
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/06—Training appliances or apparatus for special sports for rowing or sculling
    • A63B2069/068—Training appliances or apparatus for special sports for rowing or sculling kayaking, canoeing
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/0093—Training appliances or apparatus for special sports for surfing, i.e. without a sail; for skate or snow boarding

Definitions

  • the invention relates to an installation for the practice of aquatic activities.
  • the document US 4,539,719 describes an example of such a pool comprising at one end of the pool, a tank communicating with the pool floor, with a suction for sucking and storing in the tank a volume of water above the level of the pool. the pool water.
  • a valve makes it possible to expel the volume of water stored in the tank to the pool by gravity at high speed.
  • This device allows to produce in the pool a wave for surfing, similar to a natural wave, and with a depth of water corresponding to the depth of the pool.
  • the wave advances in the pool and the surfer's evolution is limited by the length of the pool.
  • creating a new wave requires some time to refill the tank.
  • the document US 5,236,280 describes another example of an installation for the practice of aquatic activities in which a sheet of water is forced to flow on a surface whose shape makes it possible to obtain the equivalent of a wave, which is perfectly stationary.
  • Various forms of surfaces under the water table make it possible to obtain different wave shapes, ranging from the continuous wave to a tunnel type wave.
  • the sheet of water used has a small thickness, which prohibits the use of means requiring a relatively large water depth, such as a finboard usually used at sea, and when the user drops it risk of hit the solid surface without the impact with the surface being really slowed by the water level.
  • the document US 2006/026746 A1 discloses a facility for the practice of aquatic activities comprising a pool having a bottom, a flow path comprising an inclined plane upstream of a deflector, the flow path extending between an upstream end and an end downstream through which it opens into the basin, means for supplying the water flow path at its upstream end, the flow path comprising said deflector at its downstream end, said deflector having a rectilinear profile in cross section and having a trailing edge extending into the basin away from the bottom of the basin, said trailing edge being below the water level in the basin, said deflector being inclined upwards towards its edge leakage, the supply means continuously supplying water to said flow path, the installation operating with a closed water circuit.
  • the present invention aims to overcome the disadvantages of each of the two previous installations which until now seemed difficult to reconcile.
  • the shape of the deflector makes it possible to obtain a regular wave created downstream of the deflector in the basin, without forming a roll.
  • This wave has a shape substantially identical to a natural wave.
  • the continuous feed means allow to obtain a stationary wave, without moving in the basin, for a quick and easy learning of the practice of surfing.
  • the depth of water under the wave, in the basin allows the practice of surfing with fin surfboards, such as used at sea. Unlike the prior art, with such an installation it is possible to have any type of water activity, such as kayaking, canoeing, canoeing, surfing, or body surfing.
  • the deflector can be inclined between 10 and 30 degrees relative to horizontally and preferably between 2.5 and 17.5 degrees from the horizontal.
  • the figure 1 is a top view of the aquatic activity installation 25 essentially comprising a basin 3 of substantially rectangular shape, a flow path 20 upstream of the basin 3, and feed means 12, 13, 14 in water of the flow path 20.
  • a large amount of water flows continuously in the feed path 20 from an upstream weir 1 to an upstream end 20a of the flow path 20 to a downstream end 20b of said flow path 20.
  • This continuous supply makes it possible to obtain a stationary wave, without moving in the basin, for easy access and rapid learning of the practice of surfing.
  • the flow path has a deflector 7 through which the water in the basin 3.
  • Said basin 3 has a bottom 3a and side walls 3b, 3c, 3d, 3e including an upstream wall 3b and a downstream wall 3c.
  • the basin 3 On the opposite side to the flow path 20 and on the two side sides, the basin 3 has respectively a downstream weir 5 located behind the downstream wall 3c and side weirs 4 located behind the side walls 3d, 3e.
  • the downstream weir and the lateral weirs 4 are covered with safety grids 11 to prevent a user or a lost object from being sucked into the channels of the aquatic activity facility.
  • the figure 2 has a longitudinal sectional view of the installation, for viewing in profile the upper part of the installation with the flow path 20, the basin 3 and a curve 15 representing the surface of the water, and the part bottom of the installation including the water supply means.
  • the flow path 20 consists of a lower inclined section 2 on which the water flows and takes speed by gravity.
  • the inclined pan may be stationary or movable with an adjustable slope value of between 5 and 30%, that is, between 2.5 degrees and 17.5 degrees. In the latter case, a sealing device makes it possible to prevent any leakage of water with side guides 9 of the flow path 20.
  • the variation of the slope of the inclined plate 2 varies the speed and the energy of the the water in the flow path 20, which allows to vary the shape and height of the wave 15.
  • a baffle 7 making the full width of the flow path 20 is located at its downstream end 20b, while the water from the flow path 20 has taken a maximum speed.
  • the deflector 7 is articulated about a substantially horizontal axis and disposed transversely to the flow path 20, along the downstream end 20b, near the upstream wall 3b.
  • the inclination of the deflector 7 is adjustable by any means of mechanical actuation, hydraulic, pneumatic, electrical, or manual.
  • the deflector 7 can present in section cross-section, as shown in figure 2 a rectilinear profile so as to initiate a particular movement and laminar with water from the flow path 20 to obtain a wave having a shape substantially identical to a natural wave, and without forming a roll.
  • a rectilinear profile so as to initiate a particular movement and laminar with water from the flow path 20 to obtain a wave having a shape substantially identical to a natural wave, and without forming a roll.
  • the deflector 7 When the deflector 7 is in a position where its profile is substantially horizontal, it has little effect, and the eddies caused do not form a real wave with the height and shape adequate to the practice of an aquatic activity.
  • the deflector 7 may optionally consist of several sectors extending in the direction of its hinge axis, to give each sector different inclinations. In addition, each sector may have a different profile. However we prefer a deflector 7 formed of a single section to obtain a wave 15 as regular as possible over the entire width of the basin 3 allowing a user as a surfer to have broad evolution on said wave 15.
  • the deflector 7 has at its downstream end a trailing edge 7a extending into the basin 3, away from the bottom 3a of the basin, said deflector 7 being inclined upwards towards its trailing edge 7a.
  • the trailing edge 7a will be below the level of the water in the basin.
  • the water is accelerated by the flow path 20, is guided by the deflector 7 and meets the water of the basin 3, producing in said basin 3 downstream of the deflector 7 a wave 15 by the contribution of the water coming from the flow path 20 and the water already present in the basin 3 under the baffle 7 and downstream of the upstream side wall 3b of the basin.
  • trailing edge 7a is below the water level of the basin 3, the inclined pan 2 and the force of the water coming from the flow path 20 prevent water from the basin coming upstream of the deflector 7.
  • the trailing edge 7a of the deflector 7 is located at a distance d of between 50 cm and 1 meter from the bottom 3a of the basin.
  • This water level located under the deflector 7 is important to create a large wave 15, implementing water movements producing a realistic wave shape and representative of what a user can find at sea or river .
  • lateral deflectors 8 may be integrated upstream of the deflector 7 and on each lateral side of the flow path 20 called guide 9, and to modify the shape of the wave 15 at its ends, so that by example a surfer can easily perform a U-turn.
  • the lateral deflectors 8 can be actuated by any means of mechanical, hydraulic, pneumatic, electrical or even manual actuation, from a complete erasure state to a protruding state in the flow path 20 .
  • movable guide walls 18 are arranged and are each mounted to rotate in a vertical axis on each side of the deflector 7. When they are positioned in the extension of the guides 9, they limit the width of the wave 15. When they are in an open position with respect to the direction of the flow, they can modify the shape of the wave 15 and especially cause the creation of a second wave downstream Wave 15, useful for the practice of aquatic activities, such as canoeing or canoeing.
  • the opening of these movable guide walls can be increased until it is in a folded position, perpendicular to the extension of the guides 9 of the flow path 20.
  • Means 10 for regulating the water level in the basin 3 are disposed at the periphery thereof and limit lateral weirs 4 and downstream weir 5. They consist for example of flat valves or height adjustable nozzles arranged at the upper end of the downstream wall 3c and optionally the side walls 3d and 3e. These means for regulating the water level make it possible to adjust the water level of the pool, so that it is above the trailing edge of the deflector 7, which is a paramount parameter for adjusting the shape characteristics. and height of the wave 15.
  • Each of these channels 12 is provided with a pumping device 13 for forcing the water to return to a water plenum and guiding device 14 enabling it to rise, in the upper part, upstream of the waterway.
  • flow 20 where is installed a mask 6 which smooths the surface of the water entering the upstream weir 1 supplying the flow path 20. Said mask 6 participates in the formation of a regular and smooth sheet of water in the flow path 20, to obtain a wave 15 itself regular and smooth.
  • Each of the pumping devices 13 of the side channels are located under the tracks 16 of the installation, as illustrated in FIG. figure 3 . Therefore, the presented facility uses all available space to circulate the water in a closed circuit, and the areas where the pumping devices 13 are located are ideally located to maximize the energy transferred to the circuit water. is giving it a big speed.
  • the invention may take the form of a fixed structure on the ground using any type of construction, or the shape of a mobile structure constructed in one or more elements.
  • the structure of the installation can be installed in a floating barge.
  • the facility for the practice of aquatic activities allows the regular practice of aquatic activities through the creation of at least one stationary wave similar to natural waves.
  • the water depth of the pool under the wave also allows for a variety of activities, such as fin surfing, free-style canoeing or rodeo.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Civil Engineering (AREA)
  • Revetment (AREA)
  • Catching Or Destruction (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Special Spraying Apparatus (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Barrages (AREA)

Description

L'invention concerne une installation pour la pratique d'activités aquatiques.The invention relates to an installation for the practice of aquatic activities.

On connaît de nombreux exemples d'installations pour la pratique d'activités aquatiques constitués d'une piscine comportant des dispositifs pour créer des vagues.Numerous examples are known of installations for the practice of aquatic activities consisting of a swimming pool comprising devices for creating waves.

Le document US 4 539 719 décrit un exemple d'une telle piscine comprenant à une extrémité de la piscine, un réservoir communicant avec le fond de piscine, doté d'une aspiration permettant d'aspirer et de stocker dans le réservoir un volume d'eau au dessus du niveau de l'eau de la piscine. Une vanne permet d'expulser par gravite à grande vitesse le volume d'eau stockée dans le réservoir vers la piscine. Ce dispositif permet de produire dans la piscine une vague pour surfer, similaire à une vague naturelle, et avec une profondeur d'eau correspondant à la profondeur de la piscine. Cependant la vague avance dans la piscine et l'évolution du surfeur est limitée par la longueur de la piscine. D'autre part, la création d'une nouvelle vague nécessite un certain temps pour remplir à nouveau le réservoir.The document US 4,539,719 describes an example of such a pool comprising at one end of the pool, a tank communicating with the pool floor, with a suction for sucking and storing in the tank a volume of water above the level of the pool. the pool water. A valve makes it possible to expel the volume of water stored in the tank to the pool by gravity at high speed. This device allows to produce in the pool a wave for surfing, similar to a natural wave, and with a depth of water corresponding to the depth of the pool. However the wave advances in the pool and the surfer's evolution is limited by the length of the pool. On the other hand, creating a new wave requires some time to refill the tank.

Par ailleurs le document US 5 236 280 décrit un autre exemple d'installation pour la pratique d'activités aquatiques dans laquelle une nappe d'eau est forcée à s'écouler sur une surface dont la forme permet d'obtenir l'équivalent d'une vague, qui est parfaitement stationnaire. Des formes diverses de surfaces sous la nappe d'eau permettent d'obtenir des formes de vagues différentes, allant de la vague continue, a une vague de type tunnel. Cependant la nappe d'eau utilisée a une faible épaisseur, ce qui interdit l'utilisation de moyen nécessitant une profondeur d'eau relativement importante, tel qu'une planche de surf à aileron habituellement utilisé en mer, et lorsque l'utilisateur tombe il risque de heurter la surface solide sans que le choc avec la surface soit véritablement freiné par la hauteur d'eau.In addition, the document US 5,236,280 describes another example of an installation for the practice of aquatic activities in which a sheet of water is forced to flow on a surface whose shape makes it possible to obtain the equivalent of a wave, which is perfectly stationary. Various forms of surfaces under the water table make it possible to obtain different wave shapes, ranging from the continuous wave to a tunnel type wave. However, the sheet of water used has a small thickness, which prohibits the use of means requiring a relatively large water depth, such as a finboard usually used at sea, and when the user drops it risk of hit the solid surface without the impact with the surface being really slowed by the water level.

Le document US 2006/026746 A1 divulgue une installation pour la pratique d'activités aquatiques comprenant un bassin présentant un fond, une voie d'écoulement comprenant un plan incliné à l'amont d'un déflecteur, la voie d'écoulement s'étendant entre une extrémité amont et une extrémité aval par laquelle elle débouche dans le bassin, des moyens d'alimentation de la voie d'écoulement en eau à son extrémité amont, la voie d'écoulement comprenant ledit déflecteur à son extrémité aval, ledit déflecteur ayant un profil rectiligne en section transversale et présentant un bord de fuite s'étendant dans le bassin à l'écart du fond du bassin, ledit bord de fuite se trouvant en dessous du niveau de l'eau dans le bassin, ledit déflecteur étant incliné vers le haut en direction de son bord de fuite, les moyens d'alimentation alimentant en eau en continu ladite voie d'écoulement, l'installation fonctionnant avec un circuit d'eau fermé.The document US 2006/026746 A1 discloses a facility for the practice of aquatic activities comprising a pool having a bottom, a flow path comprising an inclined plane upstream of a deflector, the flow path extending between an upstream end and an end downstream through which it opens into the basin, means for supplying the water flow path at its upstream end, the flow path comprising said deflector at its downstream end, said deflector having a rectilinear profile in cross section and having a trailing edge extending into the basin away from the bottom of the basin, said trailing edge being below the water level in the basin, said deflector being inclined upwards towards its edge leakage, the supply means continuously supplying water to said flow path, the installation operating with a closed water circuit.

La présente invention a pour but de pallier aux inconvénients de chacune des deux installations précédentes ce qui jusqu'à présent semblait difficile à concilier.The present invention aims to overcome the disadvantages of each of the two previous installations which until now seemed difficult to reconcile.

A cet effet, conformément à l'invention, l'installation comprend:

  • un bassin présentant un fond,
  • une voie d'écoulement comprenant un pan incliné à l'amont d'un déflecteur, la voie d'écoulement s'étendant entre une extrémité amont et une extrémité aval par laquelle elle débouche dans le bassin,
  • des moyens d'alimentation de la voie d'écoulement en eau à son extrémité amont,
    et ladite voie d'écoulement comporte à son extrémité aval ledit déflecteur ayant un profil rectiligne en section transversale et présentant un bord de fuite s'étendant dans le bassin, à l'écart du fond du bassin, ledit bord de fuite se trouvant en dessous du niveau de l'eau dans le bassin, ledit déflecteur étant incliné vers le haut en direction de son bord de fuite, et les moyens d'alimentation alimentent en eau en continu ladite voie d'écoulement, et le bassin est délimité par une paroi latérale s'étendant sensiblement sous le déflecteur, et
  • l'installation fonctionne avec un circuit d'eau fermé, et sous le bassin 3, l'eau nécessaire au bon fonctionnement de l'installation en circuit fermé est stockée.
For this purpose, in accordance with the invention, the installation comprises:
  • a pool with a bottom,
  • a flow path comprising an inclined section upstream of a deflector, the flow path extending between an upstream end and a downstream end through which it opens into the basin,
  • means for supplying the water flow path at its upstream end,
    and said flow path comprises at its downstream end said deflector having a rectilinear profile in section transverse and having a trailing edge extending into the basin, away from the bottom of the basin, said trailing edge being below the water level in the basin, said deflector being inclined upwards in the direction of its trailing edge, and the supply means supply water continuously said flow path, and the basin is delimited by a side wall extending substantially under the deflector, and
  • the installation operates with a closed water circuit, and under the basin 3, the water required for the proper functioning of the closed circuit installation is stored.

Grâce à ces dispositions, la forme du déflecteur permet d'obtenir une vague régulière créée en aval du déflecteur dans le bassin, sans former de rouleau. Cette vague a une forme sensiblement identique à une vague naturelle. D'autre part, les moyens d'alimentation en continu permettent d'obtenir une vague stationnaire, sans déplacement dans le bassin, pour un apprentissage rapide et aisé de la pratique du surf. Enfin, la profondeur d'eau sous la vague, dans le bassin, permet la pratique du surf avec des planches de surfs à aileron, tels que utilisés en mer. Contrairement à l'art antérieur, avec une telle installation il est possible d'avoir tout type d'activité aquatique, telle que le kayak, le canoë, le canoë surf, le surf de mer, ou le body surf.Thanks to these provisions, the shape of the deflector makes it possible to obtain a regular wave created downstream of the deflector in the basin, without forming a roll. This wave has a shape substantially identical to a natural wave. On the other hand, the continuous feed means allow to obtain a stationary wave, without moving in the basin, for a quick and easy learning of the practice of surfing. Finally, the depth of water under the wave, in the basin, allows the practice of surfing with fin surfboards, such as used at sea. Unlike the prior art, with such an installation it is possible to have any type of water activity, such as kayaking, canoeing, canoeing, surfing, or body surfing.

Dans divers modes de réalisation de l'installation pour la pratique d'activités aquatiques, selon l'invention, on peut éventuellement avoir recours en outre à l'une et/ou à l'autre des dispositions suivantes:

  • le déflecteur est muni de moyens de réglage de son inclinaison;
  • l'installation comprend en outre des moyens pour réguler le niveau d'eau dans le bassin, légèrement au dessus du bord de fuite du déflecteur
  • les moyens pour réguler le niveau d'eau dans le bassin comprennent un déversoir à hauteur variable;
  • le bord de fuite du déflecteur est situé entre 50 centimètres et 1 mètre au dessus du fond du bassin.
In various embodiments of the plant for the practice of aquatic activities, according to the invention, it may optionally be resorted to further to one and / or the other of the following provisions:
  • the deflector is provided with means for adjusting its inclination;
  • the installation further comprises means for regulating the water level in the basin, slightly above the trailing edge of the deflector
  • the means to regulate the water level in the basin includes a variable height weir;
  • the trailing edge of the deflector is located between 50 centimeters and 1 meter above the bottom of the basin.

L'invention se rapporte également à un procédé pour générer une vague stationnaire dans lequel:

  • on fournit un bassin présentant un fond, une voie d'écoulement comprenant un pan incliné à l'amont d'un déflecteur et s'étendant entre une extrémité amont et une extrémité aval par laquelle elle débouche dans le bassin, un déflecteur situé à l'extrémité aval de la voie d'écoulement, ledit déflecteur ayant un profil rectiligne en section transversale et présentant un bord de fuite, le bassin étant délimité par une paroi latérale s'étendant sensiblement sous le déflecteur,
  • on régule le niveau d'eau dans le bassin pour créer un volume d'eau immergeant le bord de fuite du déflecteur,
  • on alimente en continu la voie d'écoulement en eau à son extrémité amont pour y faire circuler l'eau de son extrémité amont vers son extrémité aval avec un circuit d'eau fermé,
  • on dispose le bord de fuite du déflecteur à l'écart du fond du bassin et on incline le déflecteur vers le haut suivant le sens de circulation d'eau dans la voie d'alimentation pour générer un flux d'eau rencontrant de l'eau du bassin et formant une vague stationnaire sur le volume d'eau du bassin,
  • sous le bassin 3, on stocke de l'eau nécessaire au bon fonctionnement de l'installation en circuit fermé.
The invention also relates to a method for generating a stationary wave in which:
  • providing a basin having a bottom, a flow path comprising an inclined face upstream of a deflector and extending between an upstream end and a downstream end through which it opens into the basin, a deflector located at downstream end of the flow path, said deflector having a rectilinear profile in cross section and having a trailing edge, the basin being delimited by a lateral wall extending substantially under the deflector,
  • regulating the water level in the basin to create a volume of water immersing the trailing edge of the deflector,
  • the water flow path is continuously fed at its upstream end to circulate the water from its upstream end to its downstream end with a closed water circuit,
  • the trailing edge of the deflector is arranged at a distance from the bottom of the basin and the deflector is inclined upwards in the direction of circulation of water in the feed path to generate a stream of water encountering water basin and forming a stationary wave on the water volume of the basin,
  • under the basin 3, water is stored for the proper functioning of the closed circuit installation.

Dans le procédé de l'invention on peut en outre réguler le niveau d'eau dans le bassin à la hauteur du bord de fuite plus la hauteur d'eau s'écoulant par la voie d'écoulement au dessus du déflecteur a 10% près.In the method of the invention it is furthermore possible to regulate the level of water in the basin at the level of the trailing edge plus the height of water flowing through the flow path above the deflector to within 10%. .

D'autre part, dans le procédé de l'invention, on peut incliner le déflecteur entre 10 et 30 degrés par rapport à l'horizontale et de préférence entre 2,5 et 17,5 degrés par rapport à l'horizontale.On the other hand, in the method of the invention, the deflector can be inclined between 10 and 30 degrees relative to horizontally and preferably between 2.5 and 17.5 degrees from the horizontal.

D'autres caractéristiques et avantages de l'invention apparaîtront au cours de la description suivante d'un de ses modes de réalisation, donné à titre d'exemple non limitatif, en regard des dessins joints.Other features and advantages of the invention will become apparent from the following description of one of its embodiments, given by way of non-limiting example, with reference to the accompanying drawings.

Sur les dessins:

  • la figure 1 est une vue de dessus d'une installation conforme à l'invention,
  • la figure 2 est une vue en coupe longitudinale de l'installation selon la ligne II-II de la figure 1,
  • la figure 3 est une vue en coupe transversale de l'installation selon la ligne III-III de la figure 1.
On the drawings:
  • the figure 1 is a top view of an installation according to the invention,
  • the figure 2 is a longitudinal sectional view of the installation along line II-II of the figure 1 ,
  • the figure 3 is a cross-sectional view of the installation along line III-III of the figure 1 .

La figure 1 est une vue de dessus de l'installation d'activité aquatique 25 comprenant essentiellement un bassin 3 de forme sensiblement rectangulaire, une voie d'écoulement 20 en amont du bassin 3, et des moyens d'alimentation 12, 13, 14 en eau de la voie d'écoulement 20. Une grande quantité d'eau s'écoule de manière continue dans la voie d'alimentation 20 depuis un déversoir amont 1 à une extrémité amont 20a de la voie d'écoulement 20 vers une extrémité aval 20b de ladite voie d'écoulement 20. Cette alimentation continue permet d'obtenir une vague stationnaire, sans déplacement dans le bassin, pour un accès aisé et un apprentissage rapide de la pratique du surf. A son extrémité aval 20b, la voie d'écoulement présente un déflecteur 7 par lequel l'eau dans le bassin 3. Ledit bassin 3 présente un fond 3a et des parois latérales 3b, 3c, 3d, 3e dont une paroi amont 3b et une paroi aval 3c.The figure 1 is a top view of the aquatic activity installation 25 essentially comprising a basin 3 of substantially rectangular shape, a flow path 20 upstream of the basin 3, and feed means 12, 13, 14 in water of the flow path 20. A large amount of water flows continuously in the feed path 20 from an upstream weir 1 to an upstream end 20a of the flow path 20 to a downstream end 20b of said flow path 20. This continuous supply makes it possible to obtain a stationary wave, without moving in the basin, for easy access and rapid learning of the practice of surfing. At its downstream end 20b, the flow path has a deflector 7 through which the water in the basin 3. Said basin 3 has a bottom 3a and side walls 3b, 3c, 3d, 3e including an upstream wall 3b and a downstream wall 3c.

De part et d'autre de la voie d'écoulement 20 se trouvent deux plages 16 permettant l'attente des utilisateurs, l'accès à la vague 15 (visible en figure 2) et des places pour des spectateurs.On either side of the flow path 20 are two beaches 16 allowing the waiting of the users, the access to the wave 15 (visible in figure 2 ) and places for spectators.

Du côte opposé à la voie d'écoulement 20 et sur les deux côtés latéraux, le bassin 3 présente respectivement un déversoir aval 5 situe derrière la paroi aval 3c et des déversoirs latéraux 4 situes derrière les parois latérales 3d, 3e. Le déversoir aval et les déversoirs latéraux 4 sont recouverts de grilles de sécurité 11 évitant qu'un utilisateur ou un objet perdu soit aspiré dans les canaux de l'installation d'activité aquatique.On the opposite side to the flow path 20 and on the two side sides, the basin 3 has respectively a downstream weir 5 located behind the downstream wall 3c and side weirs 4 located behind the side walls 3d, 3e. The downstream weir and the lateral weirs 4 are covered with safety grids 11 to prevent a user or a lost object from being sucked into the channels of the aquatic activity facility.

La figure 2, présente une vue en coupe longitudinale de l'installation, permettant de visualiser de profil la partie supérieure de l'installation avec la voie d'écoulement 20, le bassin 3 et une courbe 15 représentant la surface de l'eau, et la partie inférieure de l'installation incluant les moyens d'alimentation en eau.The figure 2 , has a longitudinal sectional view of the installation, for viewing in profile the upper part of the installation with the flow path 20, the basin 3 and a curve 15 representing the surface of the water, and the part bottom of the installation including the water supply means.

La voie d'écoulement 20 est constituée d'un pan incliné 2 inférieur sur lequel l'eau s'écoule et prend de la vitesse par gravité. Le pan incliné peut être fixe ou mobile avec une valeur de pente réglable comprise entre 5 et 30%, autrement dit entre 2,5 degrés et 17,5 degrés. Dans ce dernier cas, un dispositif d'étanchéité permet d'éviter toute fuite d'eau avec des guideaux latéraux 9 de la voie d'écoulement 20. La variation de la pente du pan incline 2 fait varier la vitesse et l'énergie de l'eau dans la voie d'écoulement 20, ce qui permet de faire varier la forme et la hauteur de la vague 15.The flow path 20 consists of a lower inclined section 2 on which the water flows and takes speed by gravity. The inclined pan may be stationary or movable with an adjustable slope value of between 5 and 30%, that is, between 2.5 degrees and 17.5 degrees. In the latter case, a sealing device makes it possible to prevent any leakage of water with side guides 9 of the flow path 20. The variation of the slope of the inclined plate 2 varies the speed and the energy of the the water in the flow path 20, which allows to vary the shape and height of the wave 15.

Un déflecteur 7 faisant toute la largeur de la voie d'écoulement 20 est situé à son extrémité aval 20b, alors que l'eau provenant de la voie d'écoulement 20 a pris un maximum de vitesse. Le déflecteur 7 est articulé autour d'un axe sensiblement horizontal et disposé transversalement a la voie d'écoulement 20, le long de l'extrémité aval 20b, à proximité de la paroi amont 3b.A baffle 7 making the full width of the flow path 20 is located at its downstream end 20b, while the water from the flow path 20 has taken a maximum speed. The deflector 7 is articulated about a substantially horizontal axis and disposed transversely to the flow path 20, along the downstream end 20b, near the upstream wall 3b.

L'inclinaison du déflecteur 7 est ajustable par tout moyen d'actionnement mécanique, hydraulique, pneumatique, électrique, ou manuel.The inclination of the deflector 7 is adjustable by any means of mechanical actuation, hydraulic, pneumatic, electrical, or manual.

Le déflecteur 7 peut présenter en section transversale, comme illustré à la figure 2 un profil rectiligne de sorte à initier un mouvement particulier et laminaire à l'eau provenant de la voie d'écoulement 20 permettant d'obtenir une vague ayant une forme sensiblement identique à une vague naturelle, et sans former de rouleau. Lorsque le déflecteur 7 est dans une position où son profil est sensiblement a l'horizontal, celui-ci n'a que peu d'effet, et les remous provoqués ne forment pas une réelle vague avec de la hauteur et une forme adéquat à la pratique d'une activité aquatique.The deflector 7 can present in section cross-section, as shown in figure 2 a rectilinear profile so as to initiate a particular movement and laminar with water from the flow path 20 to obtain a wave having a shape substantially identical to a natural wave, and without forming a roll. When the deflector 7 is in a position where its profile is substantially horizontal, it has little effect, and the eddies caused do not form a real wave with the height and shape adequate to the practice of an aquatic activity.

Le déflecteur 7 peut éventuellement être constitué de plusieurs secteurs s'étendant selon la direction de son axe d'articulation, permettant de donner à chaque secteur des inclinaisons différentes. Chaque secteur peut en outre avoir un profil différent. Cependant on préférera un déflecteur 7 formé d'une unique section permettant d'obtenir une vague 15 la plus régulière possible sur toute la largeur du bassin 3 permettant à un utilisateur comme un surfeur d'avoir de larges évolution sur ladite vague 15.The deflector 7 may optionally consist of several sectors extending in the direction of its hinge axis, to give each sector different inclinations. In addition, each sector may have a different profile. However we prefer a deflector 7 formed of a single section to obtain a wave 15 as regular as possible over the entire width of the basin 3 allowing a user as a surfer to have broad evolution on said wave 15.

Le déflecteur 7 présente à son extrémité aval un bord de fuite 7a s'étendant dans le bassin 3, à l'écart du fond 3a du bassin, ledit déflecteur 7 étant incliné vers le haut en direction de son bord de fuite 7a. De préférence, le bord de fuite 7a se trouvera en dessous du niveau de l'eau dans le bassin. L'eau est accélérée par la voie d'écoulement 20, est guidée par le déflecteur 7 et vient à la rencontre de l'eau du bassin 3, produisant dans ledit bassin 3 en aval du déflecteur 7 une vague 15 par l'apport de l'eau provenant de la voie d'écoulement 20 et par l'eau déjà présente dans le bassin 3 sous le déflecteur 7 et en aval de la paroi latérale amont 3b du bassin. De cette manière une vague de taille importante est créée avec une profondeur d'eau sous la vague suffisante à la pratique de tout sport aquatique et notamment la pratique du surf avec des planches de surfs à aileron, tels que utilisés en mer. Bien que le bord de fuite 7a se situe en dessous du niveau d'eau du bassin 3, le pan incliné 2 et la force de l'eau provenant de la voie d'écoulement 20 empêchent que de l'eau du bassin ne viennent en amont du déflecteur 7.The deflector 7 has at its downstream end a trailing edge 7a extending into the basin 3, away from the bottom 3a of the basin, said deflector 7 being inclined upwards towards its trailing edge 7a. Preferably, the trailing edge 7a will be below the level of the water in the basin. The water is accelerated by the flow path 20, is guided by the deflector 7 and meets the water of the basin 3, producing in said basin 3 downstream of the deflector 7 a wave 15 by the contribution of the water coming from the flow path 20 and the water already present in the basin 3 under the baffle 7 and downstream of the upstream side wall 3b of the basin. In this way a wave of significant size is created with a depth of water under the wave sufficient for the practice of any aquatic sport and in particular the practice of surfing with fin surfboards, such as used at sea. trailing edge 7a is below the water level of the basin 3, the inclined pan 2 and the force of the water coming from the flow path 20 prevent water from the basin coming upstream of the deflector 7.

De préférence, le bord de fuite 7a du déflecteur 7 est situé à une distance d comprise entre 50 cm et 1 mètre du fond 3a du bassin. Cette hauteur d'eau située sous le déflecteur 7 est importante pour créer une vague 15 de grande ampleur, mettant en oeuvre des mouvements d'eau produisant une forme de vague réaliste et représentative de ce qu'un utilisateur peut trouver en mer ou en rivière.Preferably, the trailing edge 7a of the deflector 7 is located at a distance d of between 50 cm and 1 meter from the bottom 3a of the basin. This water level located under the deflector 7 is important to create a large wave 15, implementing water movements producing a realistic wave shape and representative of what a user can find at sea or river .

D'autre part, des déflecteurs latéraux 8 peuvent être intégrés en amont du déflecteur 7 et sur chaque côté latéral de la voie d'écoulement 20 appelés guideau 9, et permettant de modifier la forme de la vague 15 à ses extrémités, pour que par exemple un surfeur puisse facilement exécuter un demi-tour. Comme le déflecteur 7, les déflecteurs latéraux 8 peuvent être actionnés par tout moyen d'actionnement mécanique, hydraulique, pneumatique, électrique, ou même manuel, d'un état d'effacement complet à un état de saillie dans la voie d'écoulement 20.On the other hand, lateral deflectors 8 may be integrated upstream of the deflector 7 and on each lateral side of the flow path 20 called guide 9, and to modify the shape of the wave 15 at its ends, so that by example a surfer can easily perform a U-turn. Like the deflector 7, the lateral deflectors 8 can be actuated by any means of mechanical, hydraulic, pneumatic, electrical or even manual actuation, from a complete erasure state to a protruding state in the flow path 20 .

En aval des guideaux 9 de la voie d'écoulement 20, des murs guideaux mobiles 18 sont disposés et sont chacun montés mobiles en rotation selon un axe vertical de chaque côté du déflecteur 7. Lorsqu'ils sont positionnés dans le prolongement des guideaux 9, ils limitent la largeur de la vague 15. Lorsqu'ils sont dans une position d'ouverture par rapport à la direction de l'écoulement, ils peuvent modifier la forme de la vague 15 et surtout provoquer la création d'une seconde vague en aval de la vague 15, utile pour la pratique d'activités aquatiques, telles que le canoë ou le canoë surf. L'ouverture de ces murs guideaux mobiles peut être augmentée jusqu'à être dans une position repliée, perpendiculaire au prolongement des guideaux 9 de la voie d'écoulement 20.Downstream of the guides 9 of the flow path 20, movable guide walls 18 are arranged and are each mounted to rotate in a vertical axis on each side of the deflector 7. When they are positioned in the extension of the guides 9, they limit the width of the wave 15. When they are in an open position with respect to the direction of the flow, they can modify the shape of the wave 15 and especially cause the creation of a second wave downstream Wave 15, useful for the practice of aquatic activities, such as canoeing or canoeing. The opening of these movable guide walls can be increased until it is in a folded position, perpendicular to the extension of the guides 9 of the flow path 20.

Des moyens 10 pour réguler le niveau d'eau dans le bassin 3 sont disposés en périphérie de celui-ci et en limite des déversoirs latéraux 4 et du déversoir aval 5. Ils sont constitués par exemple de vannes plates ou d'ajutages réglables en hauteur disposés à l'extrémité supérieure de la paroi aval 3c et éventuellement des parois latérales 3d et 3e. Ces moyens pour réguler le niveau d'eau 10 permettent d'ajuster le niveau d'eau du bassin, de sorte qu'il soit au dessus du bord de fuite du déflecteur 7, ce qui est un paramètre primordial de réglage des caractéristiques de forme et de hauteur de la vague 15.Means 10 for regulating the water level in the basin 3 are disposed at the periphery thereof and limit lateral weirs 4 and downstream weir 5. They consist for example of flat valves or height adjustable nozzles arranged at the upper end of the downstream wall 3c and optionally the side walls 3d and 3e. These means for regulating the water level make it possible to adjust the water level of the pool, so that it is above the trailing edge of the deflector 7, which is a paramount parameter for adjusting the shape characteristics. and height of the wave 15.

Par conséquent, l'eau déversée par les déversoirs latéraux 4 et le déversoir aval 5 à travers les grilles de sécurité 11 descend dans des canaux latéraux 12 pour les déversoirs latéraux 4 et le déversoir aval 5. Sous le bassin 3, l'eau nécessaire au bon fonctionnement de l'installation en circuit fermé est stockée.Consequently, the water discharged by the lateral weirs 4 and the downstream weir 5 through the safety grids 11 goes down into lateral channels 12 for the lateral weirs 4 and the downstream weir 5. Under the pond 3, the water required the correct operation of the closed circuit installation is stored.

Chacun de ces canaux 12 est muni d'un dispositif de pompage 13 pour forcer l'eau à revenir dans un dispositif de tranquillisation et de guidage de l'eau 14 lui permettant de remonter, en partie supérieure, en amont de la voie d'écoulement 20, où est installé un masque 6 qui permet de lisser la surface de l'eau entrant dans le déversoir amont 1 alimentant la voie d'écoulement 20. Ledit masque 6 participe à la formation d'une nappe d'eau régulière et lisse dans la voie d'écoulement 20, permettant d'obtenir une vague 15 elle-même régulière et lisse.Each of these channels 12 is provided with a pumping device 13 for forcing the water to return to a water plenum and guiding device 14 enabling it to rise, in the upper part, upstream of the waterway. flow 20, where is installed a mask 6 which smooths the surface of the water entering the upstream weir 1 supplying the flow path 20. Said mask 6 participates in the formation of a regular and smooth sheet of water in the flow path 20, to obtain a wave 15 itself regular and smooth.

Chacun des dispositifs de pompage 13 des canaux latéraux sont situés sous les plages 16 de l'installation, tel qu'illustré à la figure 3. Par conséquent, l'installation présentée utilise tout l'espace disponible pour faire circuler l'eau dans un circuit fermé, et les zones où sont situées les dispositifs de pompages 13 sont idéalement situées pour maximiser l'énergie transférée à l'eau du circuit est lui donner une vitesse importante.Each of the pumping devices 13 of the side channels are located under the tracks 16 of the installation, as illustrated in FIG. figure 3 . Therefore, the presented facility uses all available space to circulate the water in a closed circuit, and the areas where the pumping devices 13 are located are ideally located to maximize the energy transferred to the circuit water. is giving it a big speed.

Bien entendu, l'invention n'est nullement limitée au mode de réalisation qui vient d'être décrit à titre illustratif non limitatif.Of course, the invention is not limited to the embodiment which has just been described as illustrative non-limiting.

En outre, l'invention peut prendre la forme d'une structure fixe à terre utilisant tout type de construction, ou la forme d'une structure mobile construite en un ou plusieurs éléments. Par exemple, la structure de l'installation peut être installée dans une barge flottante.In addition, the invention may take the form of a fixed structure on the ground using any type of construction, or the shape of a mobile structure constructed in one or more elements. For example, the structure of the installation can be installed in a floating barge.

L'installation pour la pratique d'activités aquatiques conforme à l'invention permet la pratique régulière d'activités aquatiques grâce à la création d'au moins une vague stationnaire similaire aux vagues naturelles. La profondeur d'eau du bassin sous la vague permet en outre des activités très diverses, comme le surf de mer à aileron, le canoë-kayak free style ou rodéo.The facility for the practice of aquatic activities according to the invention allows the regular practice of aquatic activities through the creation of at least one stationary wave similar to natural waves. The water depth of the pool under the wave also allows for a variety of activities, such as fin surfing, free-style canoeing or rodeo.

Claims (8)

  1. Installation for practising aquatic activities, comprising:
    - a basin (3) having a floor (3a),
    - a flow path (20) comprising an inclined plane (2) arranged upstream of a deflector device (7), wherein the flow path extends between an end portion being arranged upstream (20a) and an end portion being arranged downstream (20b), where it ends in the basin (3),
    - water supply means (12, 13, 14) of the flow path (20) in its upstream arranged end portion (20a),
    wherein
    - the flow path (20) comprises the deflector device (7) at its downstream arranged end portion (20b), wherein the deflector device (7) has a straight-line profile in its cross-section and an outflow edge (7a) extending into the basin (3) at a distance from the floor (3a) of the basin (3), wherein the deflector device (7) is inclined towards the top in direction of its outflow edge (7a),
    - the water supply means (12, 13, 14) feed the flow path (20) constantly, in order to generate a standing wave in the basin (3),
    - the basin (3) is confined by a side wall (3b), which substantially extends below the deflector device (7),
    - the installation operates with a closed water circuit, and
    - under the basin (3), the water necessary for the proper functioning of the closed circuit installation is stored.
  2. Installation according to claim 1, wherein the deflector device (7) is equipped with means to control its inclination.
  3. Installation according to claim 1 or claim 2, furthermore comprising means for controlling the water level (10) in the basin (3) up to slightly above the outflow edge (7a) of the deflector device (7).
  4. Installation according to claim 3, wherein the means for controlling the water level (10) in the basin (3) comprise an overflow (4, 5) with variable height.
  5. Installation according to claim 4, wherein the outflow edge (7a) of the deflector device (7) is arranged in a distance (d) between 50 centimeters and 1 meter above the floor (3a) of the basin.
  6. Method for generating a standing wave (15), wherein
    - a basin (3) having a floor (3a) is provided and a flow path (20) comprising an inclined plane (2) arranged upstream of a deflector device (7) and extending between an end portion being arranged upstream (20a) and an end portion being arranged downstream (20b), through which it ends in the basin (3), said deflector device (7) being located at said end portion (20b) of said flow path (20), said deflector device (7) having a straight-line profile in its cross-section and an outflow edge (7a), wherein the basin (3) is confined by a side wall (3b), which substantially extends below the deflector device (7),
    - the water level in the basin (3) is regulated in order to achieve a water volume exceeding the outflow edge (7a) of the deflector device (7),
    - the flow path (20) is constantly supplied with water at its upstream arranged end portion (20a) in order to make the water flow in the flow path from its upstream arranged end portion (20a) to its downstream arranged end portion (20b) with a closed water circuit,
    - the outflow edge (7a) of the deflector device (7) is arranged at a distance from the floor (3a) of the basin and the deflector device is declined towards the top, following the flow direction of the water in the flow path (20), in order to generate a water flow hitting the water in the basin and forming a standing wave (15) on the water volume of the basin (3), and
    - under the basin (3), the water necessary for the proper functioning of the closed circuit installation is stored.
  7. Method according to claim 6, wherein the level of the water in the basin (3) is adjusted according to the height of the outflow edge (7a), which is about 10% higher than the water height on the flow path (20) above the deflector device.
  8. Method according to one of the claims 6 or 7, wherein the deflector device (7) is inclined by between 2.5 degrees and 17.5 degrees relative to the horizontal.
EP17183634.9A 2006-09-26 2007-09-26 Installation for practising aquatic activities and method of generating a standing wave Active EP3260630B1 (en)

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FR0608435A FR2906287B1 (en) 2006-09-26 2006-09-26 INSTALLATION FOR THE PRACTICE OF AQUATIC ACTIVITIES
PCT/FR2007/052020 WO2008037928A1 (en) 2006-09-26 2007-09-26 Installation for practising aquatic activities
EP07823865.6A EP2069590B1 (en) 2006-09-26 2007-09-26 Installation for practising aquatic activities and method of generating a standing wave

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FR3037819B1 (en) * 2015-06-26 2019-06-07 Hydrostadium WATER RIVER LIFE REMOVABLE
CN107338976A (en) * 2017-01-11 2017-11-10 明达实业(厦门)有限公司 Endless track flows pond
ES2857823T3 (en) 2017-04-12 2021-09-29 Hydrostadium Device to generate a standing wave
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FR3066123B1 (en) * 2017-05-09 2019-06-14 Hydrostadium TRAINING DEVICE FOR RELIEF
WO2018206121A1 (en) 2017-05-12 2018-11-15 Hydrostadium Floating device for producing a standing wave
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EP2069590A1 (en) 2009-06-17
SI2069590T1 (en) 2018-12-31
EP2069590B1 (en) 2018-09-05
WO2008037928A1 (en) 2008-04-03
ES2696998T3 (en) 2019-01-21
EP3260630A1 (en) 2017-12-27
FR2906287A1 (en) 2008-03-28
TR201906050T4 (en) 2019-05-21
PT3260630T (en) 2019-05-17
ES2720046T3 (en) 2019-07-17
DK3260630T3 (en) 2019-05-06
DK2069590T3 (en) 2019-01-07
FR2906287B1 (en) 2012-08-10
PT2069590T (en) 2018-12-17
WO2008037928B1 (en) 2008-05-22
SI3260630T1 (en) 2019-05-31

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