EP2356020B1 - Device for artificially recreate gliding watersport - Google Patents
Device for artificially recreate gliding watersport Download PDFInfo
- Publication number
- EP2356020B1 EP2356020B1 EP09740448.7A EP09740448A EP2356020B1 EP 2356020 B1 EP2356020 B1 EP 2356020B1 EP 09740448 A EP09740448 A EP 09740448A EP 2356020 B1 EP2356020 B1 EP 2356020B1
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- Prior art keywords
- water
- flow
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- base
- practise
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 102
- 238000001514 detection method Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 21
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 101100495256 Caenorhabditis elegans mat-3 gene Proteins 0.000 description 1
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
- A63G31/00—Amusement arrangements
- A63G31/007—Amusement arrangements involving water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
Definitions
- the present invention relates to a device and a method for artificially recreating the practice of a water sports gliding.
- An object of the invention is to propose a solution that makes it possible to increase the width of the practice area, without necessarily increasing the energy consumption to deliver the water flow.
- Another aim is to propose a solution that allows evolutions and varied figures of style in the practice of the chosen sport (s).
- Another goal is to propose a solution that allows progress in this sport (s), without necessarily changing the practice area.
- Another goal is to propose a solution that achieves all or some of the above goals, without necessarily increasing the size, therefore the size, of the device.
- Another aim is to satisfy a variety of water sports, especially water skiing, wake-skateboarding, wake-boarding, kite-surfing, surfing which is practiced on at least one board. .
- water flow and detection means will allow only a portion of the support, and therefore the practice area, waterable by the flow of water out of the water flow means is sprayed with a water way allowing the practitioner to evolve there.
- the speed, the width and the height of the water flow (s) created (s), by acting on the water flow means favoring the variety of evolutions and shapes of water. style in the practice of sport (s), as well as a progression in the quality of this practice.
- FIG. 1 is an external schematic perspective of the device of the invention
- the figure 2 is a schematic view from above of a possible realization
- the figure 3 is an inner schematic side view
- the FIG. 4 (FIGS.
- the figures 5 , 6 show a possible realization of two contiguous valves
- the figures 7 , 8 Figures 7a, 7b, 7c ; 8a, 8b, 8c ) show other functions, following two possibilities
- the figure 9 illustrates a jump zone
- the figure 10 schematizes a solution to detect the presence of the user at the end of the cable that he can hold
- the figures 11.12 , 13 show two other possible positioning of the detectors
- the figures 14.15 show an all-or-nothing operation to continue to rotate the pump (s).
- figure 1 a practitioner 1 evolving on a stream of water 3 created by a device 5.
- the device 5 comprises means 7 for the flow of water, and means 11 for servocontrol in position to ensure a distribution, on the support 9, of the flow of water created, depending on the position, or displacements on this support, the user or mobile means with him, such as his ski board 1a (see figures 1 , 2 , 3 ) or the cable 2.
- mobile means with the user” each time that is written “his board (evolution) 1a "or” cable 2 ".
- Other mobile means could serve as a reference position or displacement.
- these servo-control means 11 comprise detection means, such as 13a1, 13a2, 13b1, 13b2 ... ( figures 2 , 4 ) to detect the position, or displacements, of the user 1, or of his board 1a, during his / their displacements on the support 9, and to act accordingly on the water flow means 7.
- detection means such as 13a1, 13a2, 13b1, 13b2 ... ( figures 2 , 4 ) to detect the position, or displacements, of the user 1, or of his board 1a, during his / their displacements on the support 9, and to act accordingly on the water flow means 7.
- the practitioner 1 will be able to evolve at will on a body of water whose position will evolve with his own or that of his board.
- Figures 1 , 2 this practitioner is attached to a cable (or a rope) 2, one end of which is fixed to a mast 4, here fixed, disposed on the side from which the stream of water 3 comes from. It can thus evolve for example according to the arc of circle 6 of the fig.2 . He stands facing the flow or side (bends ..), without leaving with him.
- the detection means such as 13a1, 13a2, 13b1, 13b2 ... will be favorably adapted to detect limit movements of the user or his board 1a, laterally with respect to the direction 15 of the flow of water on the support (see figures 1 , 2 , 4 ).
- the water flow means 7 comprises water distribution means 17 adapted to form a series of water outlet mouths 17a, 17b through all or part of which the flow water passes to the (above) support 9 which is arranged horizontally (level).
- the flow rate and the pressure of the water flow (s) expelled (s) by the mouths 17a, 17b ... concerned will be adapted to ensure the skier 1 the desired lift, sending under him a carpet of water at a speed and a variable thickness.
- the speed between the water and skier standards will be respected.
- the water outlet mouths are carried by a frame 19 enclosing a collector box 19a adapted to the circulation of the water ( figure 6 ).
- This box rises above the level of the support 9 (see figures 1 , 3 ) and extends here perpendicularly to the direction 15 of the water flows.
- Mount 19 here carries the mast 4 which stands above it.
- the means 7 of water flow favorably include, figure 2 , a line 21 of mobile hatches, such as 23a, 23b figure 5 connected to the servo means 11 and arranged facing the line of mouths that they cover or discover to control the water outlets to the support 9.
- Each hatch of width L1 is controlled by the servo-control means 11, via a jack, such as 24a or 24b figure 6 .
- the cylinders are a priori moved vertically and piloted in all or nothing. Their stroke is guided on the sides by guiding elements (such as 26a, 26b) fixed on the frame 19.
- FIG. 6 still, we see an illustrated portion of the box 19a which here feeds the mouths 17a, 17b of preferably rectangular shape, thus delivering water in a substantially rectangular output flow.
- the front wall of the box 19a is doubled by a sliding partition provided with one or more mouths (openings) and moving along this wall by opening and closing in front of some of the mouths of the box, a water outlet coming into being each time a mouth of the box coincides with a mouth of the partition.
- the flow means 7 will generally comprise water distribution means adapted to form a series of outlets. mouths of water outlet through all or part of which the flow of water can pass to the support 9, these mouths being adapted to open and close under the control of the aforementioned detection means, such as 13a1, 13a2 , 13b1, 13b2 ....
- the water flow means 7 will thus comprise means (17a, 17b ... 23a, 23b ... 25 ...) for modifying the height, the width and the speed of the water flow created on the support. 9.
- the detection means will be favorably distributed in several places, along at least one line transverse to the direction 15 of each water flow created and along the areas of the support where these flows can be created.
- the detection means such as 13a1, 13a2, 13b1, 13b2 ... include a series of beam detectors and that here the opening and closing of each mouth, such 17a, 17b, is controlled by a pair of these detectors disposed on either side of the mouth concerned, except towards the lateral ends of the support where the first and last mouths of the series are respectively controlled by first and last detectors of said series located towards these ends; here: 13a0 / 13b0 on the left and 13ai / 13bi on the right.
- the detection means comprise optical (beam) sensors.
- These sensors may in particular be oriented in pairs to detect parallel to the direction 15 of each stream of water created on the support 9.
- the support 9 will advantageously include a flexible underlying mat, 29.
- this carpet will be stretched by tensioning means 31, such as a weight pulling a flexible resistant fabric.
- the box 19a and the net 33 extend a support structure 37 of the device containing means 39 for recirculation / recycling of water.
- These means 39 comprise one or more ducts open upwards at the back, here under the net 33, to allow the flow of water 28 to flow therein, beyond the rear edge 9a of the support 9.
- one or more pumps 41 suck the water from the conduits and pressurized it back into the water supply box 19a of the mouths 17a, 17b ...
- Anchoring means 43 can hold the entire device 1 on the ground.
- the solution of the invention makes it possible to reduce the height and the width of the flow of water to be supplied to guarantee the lift, quantities which size the flow rate.
- the solution of the invention makes it possible to offer a practically limitless practice area for the same quantity of water dispensed; its size in width ( L , figures 1 , 2 ) is completely scalable. It also makes it possible to adapt the water mat 3 according to the level of the user; width, thickness and flow velocity are controlled.
- position detectors 13a0 ... 13ai; 13b0 ... 13bi so we will be able to continuously capture the position of the user (or his board), the control system 7, 11, 17 translating information sensors for mechanical actuators such 23a, 23b .. ., These allowing the displacement of the water stream 3 according to the detected position and therefore only watering the desired sliding area.
- the detection system will therefore favorably include a set of optical lines each defined by a transceiver duo, such as 13a0, 13b0... 13a, 13bi.
- the detections are performed each time the user (or his board) cut an optical line.
- the signals addressed by these sensors control the hatches 23a ... via a programmable controller 45 belonging to the control means 11.
- the width L4 of the stream created could be different (a priori lower) to the distance between two such successive optical lines.
- the valve In the situation figure 4a the skier is on the right of the door, the valve is closed. In the situation figure 4b , the skier is in the middle of the door, the skier has been detected in the area, the valve is open and the area is watered. In the situation figure 4c , the skier is to the left of the door; the valve is closed again.
- the distance between two optical lines is equal to the width (such as L4 ) of the slave water flow; a valve is placed in the middle of two optical lines here forming a door of width L4.
- an optical line is actually formed by two pairs of adjacent sensor-receivers, such as 13a11, 13b11; 13a12, 13b12.
- This duo forming two consecutive beams, makes it possible to know in which direction the user moves, that is to say on which side it is located with respect to the optical line and therefore between which optical doors it is present.
- Each valve mouth-trap
- the optical gate of the valve 17a / 23a is formed by the double detector optical lines 13a11, 13b11; 13a12, 13b12 and 13a13, 13b13; 13a14, 13b14.
- the optical door of the mouth 17c is formed only by the double optical line Lo9, Lo10 since it has here been assumed that, skier to practice, three successive valves are always open and the other closed.
- the shaded area marks the localized water flow, the arrows the three open valves according to the practitioner's position.
- optical lines such Lo1, Lo3 are placed in the middle of each valve (mouth + hatch), except those of the ends. It can be seen that when the user has last cut the line Lo1, the first three traps to the right of the fig.8a are open (arrows) and the others closed. Similarly when the user has last cut the line Lo3 ( figure 8c ), the hatches 23a, 23b, 23c are open, the others closed.
- each mouth are controlled by (at least) a detector activated by the cutting of its beam by the user or his board. Beams other than optical may be suitable.
- FIG. 1 a series of individual flows of 3m wide ( L3 ), valves (mouth + trap) of 1m wide ( L4 ) and a surf zone with a total width of 15m ( L ) were imagined.
- the device can be assigned different other detection systems, such as sensors falling the position of the rope 2 which moves with the user, or a corner sensor, for example positioned on the d anchoring rope 2 and raising its angle with respect to an original position. This indirectly gives the position of the user. It is also possible to detect the string using the same detection principle as the example of the optical line, thanks to a detection frame 100 through which the string passes and which includes several sensors 101a, 103a, 101b, 103b ... defining a series of lines 110, 112 ... detection, here vertical.
- detection frame 100 through which the string passes and which includes several sensors 101a, 103a, 101b, 103b ... defining a series of lines 110, 112 ... detection, here vertical.
- Another solution is to detect the position of the board or the skis of the user.
- the sensors are placed in the carpet 9 of sensation and can use the servo-control principle via optical lines such as 121, 123 (cf. figure 13 ).
- the device according to the invention could also include a structure 47 in elevation to define a jump surface on which the user could evolve.
- the device includes the following system, it being specified that it could be used alone, not necessarily in the context of the scope of the attached independent claim (s).
- servo-control means will then be suitable for controlling the water flow means 7 to adapt the presence of this water and / or its distribution on the support 9 as a function of the detection data transmitted by said additional detection means 49.
- the user can be detected as absent at the end of the chord 2.
- the new information translated by the controller will change the servo mode of the detection system described above.
- the device will then be able (depending on the programming retained servo means) for example either completely interrupt the flow, or significantly reduce, or distribute it differently, especially in away from the drop zone, no longer watering the area around the user.
- a voltage sensor may in particular be suitable for detecting the tension in the cable.
- the figure 10 schematize this.
- the presence or absence of the user will be detected at the end of the cable 2 to which he is supposed to stand to practice, and the means will be controlled. flow 7 so that they supply, or not, water the support, accordingly.
- the operation of the device can be likened to all or nothing: if the user is detected in a gliding situation, the servo propels the water flow 3 under it on the belt 9, depending on its position. If the user 1 is detected as non-slip, the water is no longer propelled on the carpet but directly sent to the tray 39a recovery (cf. Figures 14, 15 ). A suitable means, here a hatch 125, drops the water and prevents it from reaching the carpet. Thus, if the user falls, he drops the rope 2 and the device cuts off any water supply on the gliding mat 9, without interrupting the operation of the water pump 41. And the user is not embarrassed to to get up.
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Description
La présente invention concerne un dispositif et un procédé pour recréer artificiellement la pratique d'un sport nautique de glisse.The present invention relates to a device and a method for artificially recreating the practice of a water sports gliding.
A partir de
Une telle solution atteint rapidement ses limites. Les conditions d'évolution, en particulier en largeur, et les types de pratique sont limités. Et si l'on cherche à élargir la zone de pratique, donc celle du support de la couche d'eau, la consommation énergétique et l'encombrement du dispositif augmentent, ce qui constitue des inconvénients.Such a solution quickly reaches its limits. The conditions of evolution, in particular in width, and the types of practice are limited. And if one seeks to expand the practice area, that of the support of the water layer, the energy consumption and the size of the device increase, which is a drawback.
Un but de l'invention est de proposer une solution qui permet d'augmenter la largeur de la zone de pratique, sans augmenter nécessairement la consommation d'énergie pour délivrer le/les flux d'eau.An object of the invention is to propose a solution that makes it possible to increase the width of the practice area, without necessarily increasing the energy consumption to deliver the water flow.
Un autre but est de proposer une solution qui permet des évolutions et figures de style variées dans la pratique du/des sport(s) choisi(s).Another aim is to propose a solution that allows evolutions and varied figures of style in the practice of the chosen sport (s).
Un autre but est de proposer une solution qui permet de progresser dans ce/ces sport(s), sans changer nécessairement de zone de pratique.Another goal is to propose a solution that allows progress in this sport (s), without necessarily changing the practice area.
Un autre but est de proposer une solution qui atteigne tout ou partie des buts précédents, sans augmenter nécessairement l'encombrement, donc la taille, du dispositif.Another goal is to propose a solution that achieves all or some of the above goals, without necessarily increasing the size, therefore the size, of the device.
Un autre but est de satisfaire une pratique variée de nombreux sports nautiques de glisse, en particulier le ski nautique, le wake-skate, le wake-board, le kite-surf, le surf qui se pratique(nt) sur au moins une planche.Another aim is to satisfy a variety of water sports, especially water skiing, wake-skateboarding, wake-boarding, kite-surfing, surfing which is practiced on at least one board. .
Une solution proposée à tout ou partie de ces buts visés est indiquée en revendication 1.A proposed solution to all or part of these aims is indicated in
Favorablement, des moyens d'écoulement d'eau et de détection permettront que seule une partie du support, et donc de la zone de pratique, arrosable par le flux d'eau sortant des moyens d'écoulement d'eau soit arrosée d'une façon permettant au pratiquant d'y évoluer.Favorably, water flow and detection means will allow only a portion of the support, and therefore the practice area, waterable by the flow of water out of the water flow means is sprayed with a water way allowing the practitioner to evolve there.
Quant au procédé imaginé également ici pour obtenir artificiellement des conditions de pratique d'un sport nautique de glisse, y compris le ski nautique, le wake-skate, le wake-board, le surf, voire le kite-surf, en utilisant des moyens d'écoulement d'eau créant, sur un support, au moins un flux d'eau sur lequel l'utilisateur peut pratiquer ledit sport en y réalisant des évolutions et figures de style variées, il repose sur le fait d'asservir la position du/des flux d'eau créé(s) à la position, ou aux déplacements, sur ledit support, de l'utilisateur ou de moyens mobiles avec lui.As for the process also imagined here to artificially obtain the conditions for practicing a water sport, including water skiing, wake-skateboarding, wake-boarding, surfing or even kite-surfing, using means flow of water creating, on a support, at least one stream of water on which the user can practice said sport by performing various evolutions and figures of style, it is based on enslaving the position of the / water flows created (s) at the position, or displacements, on said support, the user or mobile means with him.
On assurera ainsi, sur le support, une répartition variable (évolutive) du/des flux d'eau créé(s).This will ensure, on the support, a variable (evolutionary) distribution of the created water flow (s).
De préférence, on fera varier plusieurs paramètres parmi la vitesse, la largeur et la hauteur du/des flux d'eau créé(s), en agissant sur les moyens d'écoulement d'eau, favorisant ainsi la variété des évolutions et figures de style dans la pratique du/des sport(s), ainsi qu'une progression dans la qualité de cette pratique.Preferably, several parameters will be varied among the speed, the width and the height of the water flow (s) created (s), by acting on the water flow means, thus favoring the variety of evolutions and shapes of water. style in the practice of sport (s), as well as a progression in the quality of this practice.
Favorablement, et par ailleurs, on asservira la position de ce/ces flux d'eau en détectant la position, ou les déplacements, sur le support, de l'utilisateur ou de moyens mobiles avec lui.Favorably, and moreover, one will enslave the position of this / these flows of water by detecting the position, or the movements, on the support, of the user or mobile means with him.
D'autres particularités et avantages de l'invention apparaîtront encore dans la description ci-après et dans les dessins annexés, donnés à titre d'exemples, et où la
On a représenté
Le dispositif 5 comprend des moyens 7 d'écoulement d'eau, et des moyens 11 d'asservissement en position pour assurer une répartition, sur le support 9, du flux d'eau créé, en fonction de la position, ou de déplacements sur ce support, de l'utilisateur ou de moyens mobiles avec lui, tels sa planche de ski 1a (voir
Ci-après, on devra lire « moyens mobiles avec l'utilisateur » chaque fois qu'est écrit « sa planche (d'évolution) 1a » ou « le câble 2 ». Des moyens mobiles autres pourraient servir de référence de position ou de déplacement.Hereinafter, we will read "mobile means with the user" each time that is written "his board (evolution) 1a "or"
Favorablement, ces moyens d'asservissement 11 comprennent des moyens de détection, tels 13a1, 13a2, 13b1, 13b2... (
Le pratiquant 1 va ainsi pouvoir évoluer à son gré sur un plan d'eau dont la position va évoluer avec la sienne ou celle de sa planche.
Compte tenu de la géométrie de l'espace à l'endroit du support 9 (typiquement un rectangle de largeur L et longueur l (voir
Dans la version préférée illustrée, on voit notamment
Le débit et la pression du/des flux d'eau expulsé (s) par les bouches 17a, 17b... concernées seront adaptés pour assurer au skieur 1 la portance souhaitée, en envoyant sous lui un tapis d'eau à une vitesse et une épaisseur variable. Ainsi, la vitesse entre les référentiels eau et skieur sera respectée.The flow rate and the pressure of the water flow (s) expelled (s) by the
Les bouches de sortie d'eau, telles 17a..., sont portées par un bâti 19 renfermant un caisson collecteur 19a adapté à la circulation de l'eau (
Le bâti 19 porte ici le mât 4 qui se dresse au-dessus de lui.Mount 19 here carries the mast 4 which stands above it.
Les moyens 7 d'écoulement d'eau comprennent favorablement,
Ainsi, on va pouvoir ouvrir et fermer ces bouches, telles 17a, 17b
Chaque trappe de largeur L1 est commandée par les moyens d'asservissement 11, via un vérin, tel 24a ou 24b
En alternative, on aurait pu prévoir que la paroi frontale du caisson 19a soit doublée par une cloison coulissante pourvu d'une ou plusieurs bouches (ouvertures) et se déplaçant le long de cette paroi en ouvrant et fermant en façade certaines des bouches du caisson, une sortie d'eau se réalisant chaque fois qu'une bouche du caisson coïncide avec une bouche de la cloison.Alternatively, it could have been provided that the front wall of the
En utilisant notamment l'une de ces solutions de contrôle des sorties d'eau vers le support 9, on pourra s'assurer que les moyens 7 d'écoulement comprendront de façon générale des moyens 25 de distribution d'eau adaptés pour former une série de bouches de sortie d'eau à travers tout ou partie desquelles le flux d'eau pourra passer vers le support 9, ces bouches étant donc adaptées pour s'ouvrir et se fermer sous le contrôle des moyens de détection précités, tels 13a1, 13a2, 13b1, 13b2....By using, in particular, one of these solutions for controlling the water outlets to the
Les moyens 7 d'écoulement d'eau comprendront ainsi des moyens (17a, 17b...23a, 23b...25...) pour modifier la hauteur, la largeur et la vitesse du flux d'eau créé sur le support 9.The water flow means 7 will thus comprise means (17a, 17b ... 23a, 23b ... 25 ...) for modifying the height, the width and the speed of the water flow created on the support. 9.
Les moyens de détection seront favorablement répartis en plusieurs endroits, suivant au moins une ligne transversale à la direction 15 de chaque flux d'eau créé et le long des zones du support où ces flux peuvent être créés.The detection means will be favorably distributed in several places, along at least one line transverse to the
A partir en particulier de la
On conseille que les moyens de détection comprennent des capteurs (à faisceaux) optiques.It is advised that the detection means comprise optical (beam) sensors.
Ces capteurs pourront en particulier être orientés par paires pour détecter parallèlement à la direction 15 de chaque flux d'eau créé sur le support 9.These sensors may in particular be oriented in pairs to detect parallel to the
Concernant à nouveau la structure du dispositif 1, le support 9 comprendra favorablement un tapis sous-jacent souple, 29.Referring again to the structure of the
Favorablement, ce tapis sera tendu par des moyens de mise en tension 31, tels un poids tirant une toile résistante souple.Favorably, this carpet will be stretched by tensioning means 31, such as a weight pulling a flexible resistant fabric.
Pour éviter/limiter les déperditions d'eau, on conseille en outre qu'en aval du tapis, le/chaque flux d'eau créé s'écoule vers un circuit de récupération, à travers un filet ou tapis grillagé 33.To prevent / limit water losses, it is further advised that downstream of the carpet, the / each flow of water created flows to a recovery circuit, through a net or
Ainsi, le support 9 et chaque couche d'eau 28 sont entourés de boudins de protection.Thus, the
Sous le niveau du support 9, du caisson 19a et du filet 33 s'étendent une structure 37 de soutien du dispositif renfermant des moyens 39 de recirculation/recyclage d'eau.Below the level of the
Ces moyens 39 comprennent un ou plusieurs conduits ouverts vers le haut à l'arrière, ici sous le filet 33, pour permettre au flux d'eau 28 de s'y déverser, au-delà du bord arrière 9a du support 9.These means 39 comprise one or more ducts open upwards at the back, here under the
Par exemple depuis sous le bâti 19, une ou plusieurs pompes 41 aspirent l'eau des conduits et la refoule sous pression dans le caisson 19a d'alimentation en eau des bouches telles 17a, 17b...For example, since under the
Des moyens d'ancrage 43 peuvent maintenir tout le dispositif 1 au sol.Anchoring means 43 can hold the
Considérée dans son aspect global, la solution de l'invention permet de réduire la hauteur et la largeur du flux d'eau à fournir pour garantir la portance, grandeurs dimensionnant le débit. Par l'asservissement imaginé via le système de détection, seule une partie du plan d'eau disponible total (9), à savoir celle autour de l'utilisateur, est arrosée.Considered in its overall aspect, the solution of the invention makes it possible to reduce the height and the width of the flow of water to be supplied to guarantee the lift, quantities which size the flow rate. By the enslavement imagined via the detection system, only part of the total available water body (9), namely that around the user, is watered.
Par ailleurs, la solution de l'invention permet d'offrir une zone de pratique en quelque sorte sans limite pour la même quantité d'eau débitée ; sa taille en largeur (L,
Grâce aux détecteurs de position 13a0...13ai; 13b0... 13bi on va donc pouvoir capter en continu la position de l'utilisateur (ou de sa planche), le système de commande 7, 11, 17 traduisant l'information des capteurs pour les actionneurs mécaniques tels 23a, 23b..., ceux-ci permettant le déplacement du flux d'eau 3 en fonction de la position détectée et n'arrosant donc que la zone de glisse voulue.With position detectors 13a0 ... 13ai; 13b0 ... 13bi so we will be able to continuously capture the position of the user (or his board), the
Comme indiqué plus haut, le système de détection comprendra donc favorablement un ensemble de lignes optiques définies chacune par un duo émetteur-récepteur, tel 13a0, 13b0...13ai, 13bi. Les détections sont réalisées à chaque fois que l'utilisateur (ou sa planche) coupera une ligne optique. Les signaux adressés par ces capteurs commandent les trappes 23a... via un automate programmable 45 appartenant aux moyens 11 d'asservissement.As indicated above, the detection system will therefore favorably include a set of optical lines each defined by a transceiver duo, such as 13a0, 13b0... 13a, 13bi. The detections are performed each time the user (or his board) cut an optical line. The signals addressed by these sensors control the
On appellera ci-après « porte » l'espace situé entre deux lignes optiques successives d'émetteurs/récepteurs disposés de part et d'autre d'une zone de pratique « arrosable » (espace de largeur L4 où peut être propulsé un flux d'eau; cf.
Dans l'exemple illustré (où apparaît la seule bouche 17a), lorsque l'utilisateur 1 se situe au milieu d'une telle porte, la vanne 17a/23a est ouverte et l'eau s'écoule. Lorsque l'utilisateur se trouve hors de la porte la trappe 23a se referme et arrête l'écoulement sur cette zone.In the illustrated example (where the
Dans la situation
Dans l'illustration d'un possible système complet comme
Comme illustré
Ici, à une ligne unique optique coupée correspond une configuration d'ouverture et de fermeture des trappes. Les lignes optiques telles Lo1, Lo3 sont placées au milieu de chaque vanne (bouche+trappe), sauf celles des extrémités. On peut voir que lorsque l'utilisateur a coupé en dernier la ligne Lo1, les trois premières trappes à droite de la
Dans cette solution, l'ouverture et la fermeture de chaque bouche sont donc contrôlées par (au moins) un détecteur activé par la coupure de son faisceau par l'utilisateur, ou sa planche. Des faisceaux autres qu'optiques pourraient convenir.In this solution, the opening and closing of each mouth are controlled by (at least) a detector activated by the cutting of its beam by the user or his board. Beams other than optical may be suitable.
A titre de variante, le dispositif peut se voir attribuer différents autres systèmes de détection, comme des capteurs relevant la position de la corde 2 qui se déplace avec l'utilisateur, ou encore un capteur d'angle, par exemple positionné sur le point d'ancrage de la corde 2 et relevant son angle par rapport à une position d'origine. On obtient ainsi indirectement la position de l'utilisateur. Il est aussi possible de détecter la corde en utilisant le même principe de détection que l'exemple de la ligne optique, grâce à un cadre de détection 100 à travers lequel passe la corde et qui comprend plusieurs capteurs tels 101a, 103a, 101b, 103b... définissant une série de lignes 110, 112... de détection, ici verticales.Alternatively, the device can be assigned different other detection systems, such as sensors falling the position of the
Cette solution est performante et pratique à installer (cf.
Une autre solution consiste à détecter la position de la planche ou des skis de l'utilisateur. Les capteurs sont placés dans le tapis 9 de sensation et peuvent utiliser le principe d'asservissement via des lignes optiques telles 121, 123 (cf.
Il serait aussi possible de détecter directement la position de l'utilisateur par une caméra relevant ses coordonnées dans un espace défini.It would also be possible to directly detect the position of the user by a camera falling its coordinates in a defined space.
A titre de variante on notera encore la possibilité de ne plus utiliser un automate. On peut imaginer des capteurs ouvrant et fermant directement les interrupteurs d'un circuit électrique branché sur les vérins des trappes ou équivalents.As a variant, the possibility of no longer using an automaton will still be noted. One can imagine sensors opening and closing directly the switches of an electrical circuit connected to the actuators of the hatches or equivalents.
Eventuellement (voir
De préférence, pour le contrôle des quantités d'eau utilisées et la sécurité et le confort de l'utilisateur, on conseille que le dispositif comprenne le système suivant, étant précisé que celui-ci pourrait être utilisé seul, non nécessairement dans le cadre de la portée de la/des revendication(s) indépendante(s) annexée(s).Preferably, for the control of the quantities of water used and the safety and comfort of the user, it is advised that the device includes the following system, it being specified that it could be used alone, not necessarily in the context of the scope of the attached independent claim (s).
Ce qui suit pourrait donc fait l'objet d'une protection indépendante.The following could therefore be subject to independent protection.
Il s'agit en particulier de moyens additionnels de détection 49 reliés aux moyens 11 d'asservissement, pour détecter (et leurs transmettre des données liées à) la présence (ou non) de l'utilisateur au bout du câble 2.This is in particular additional detection means 49 connected to the servo means 11, for detect (and transmit to them data related to) the presence (or not) of the user at the end of the
Ces moyens d'asservissement seront alors propres à commander les moyens 7 d'écoulement d'eau pour adapter la présence de cette eau et/ou sa répartition sur le support 9 en fonction des données de détection transmises par lesdits moyens additionnels de détection 49.These servo-control means will then be suitable for controlling the water flow means 7 to adapt the presence of this water and / or its distribution on the
En cas de tension nulle, l'utilisateur pourra être détecté comme absent au bout de la corde 2. La nouvelle information traduite par l'automate permettra de modifier le mode d'asservissement du système de détection décrit précédemment.In case of zero voltage, the user can be detected as absent at the end of the
Ainsi, via les moyens 25 de distribution d'eau, il va être notamment possible, en début de session de glisse, de ne commencer à propulser l'eau sur la zone adaptée qu'une fois la présence de l'utilisateur détectée au bout du câble 2.Thus, via the water distribution means 25, it will be possible in particular at the beginning of the sliding session, to start propelling the water on the adapted area once the presence of the user detected at the end.
Si par exemple l'utilisateur chute en cours de session, le dispositif va alors pouvoir (suivant la programmation retenue des moyens d'asservissement) par exemple soit interrompre totalement le flux, soit le réduire notablement, soit encore le distribuer différemment, notamment en l'éloignant de la zone de chute, en n'arrosant alors plus la zone autour de l'utilisateur.If for example the user drops during a session, the device will then be able (depending on the programming retained servo means) for example either completely interrupt the flow, or significantly reduce, or distribute it differently, especially in away from the drop zone, no longer watering the area around the user.
Un capteur de tension (traction) pourra en particulier convenir pour détecter la tension dans le câble. La
Ainsi, on détectera la présence, ou non, de l'utilisateur au bout du câble 2 auquel il est censé se tenir pour pratiquer, et on commandera les moyens d'écoulement 7 pour qu'ils alimentent, ou non, en eau le support, en conséquence.Thus, the presence or absence of the user will be detected at the end of the
Le fonctionnement du dispositif peut être assimilé à du tout ou rien: si l'utilisateur est détecté en situation de glisse, l'asservissement propulse le flux d'eau 3 sous lui, sur le tapis 9, en fonction de sa position. Si l'utilisateur 1 est détecté comme en situation de non-glisse, l'eau n'est plus propulsée sur le tapis mais directement envoyée dans le bac 39a de récupération (cf.
Claims (15)
- Device (5) for practising a nautical board sport, including at least one from water skiing, wakeskating, wakeboarding, surfboarding or kitesurfing, the device (5) comprising water-flow means (7) for artificially creating, on a base (9), a flow of water (3, 28) on which the user (1) can practise said sport while making varied movements and style figures thereon, characterised in that it comprises position controlling means (11) comprising detection means (13a1, 13a2, 13b1, 13b2 ...) for detecting the position, or movements, of the user (1), or means (1a, 2) able to move with him during his said movements on the base (9), and acting accordingly on the water-flow means (7), so as to distribute the flow of water on the base (9), moving it thereon according to the position or movements on this base (9) of the user (1) or means able to move with him.
- Device (5) according to claim 1, characterised in that the water-flow (7) and detection (13al, 13a2, 13b1, 13b2 ...) means are adapted so that, transversely to the direction (15) of flow of the water, only part of the base (9), and therefore of the practise zone, which can be swept by the flow of water emerging from the water-flow means (7), is swept in a way enabling the practitioner to move thereon.
- Device according to one of the preceding claims, characterised in that the means able to move with the user comprise a board (1a) on which the user moves.
- Device according to claim 3, characterised in that the means able to move with the user comprise a cable (2) on which the user holds in order to practise said sport.
- Device (5) according to one of the preceding claims, characterised in that the water-flow means (7) comprise water-distribution means (17) suitable for forming a series of water-outlet orifices (17a, 17b) disposed in line transversely to the direction (15) of flow of the water, and through only part of which the flow of water (3, 28) passes towards the base (9).
- Device (5) according to one of the preceding claims, characterised in that the water-flow means (7) comprises water-distribution means (25) suitable for forming a series of water-outlet orifices (17a, 17b) through all or some of which the flow of water (3, 28) passes towards the base (9), these orifices (17a, 17b) being able to open and close under the control of said detection means (13a1, 13a2; 13b1, 13b2 ...), which are distributed at several points along at least one line transverse to the direction (15) of each flow of water (3, 28) created.
- Device (5) according to one of the preceding claims, characterised in that:- the detection means (13a1, 13a2; 13b1, 13b2 ...) comprise a series of detectors (13a11, 13b11; 13a12, 13b12; 13a13, 13b13; 13a14, 13b14) of the beam type, and- the opening and/or closing of each orifice (17a, 17b) are controlled:-- either by a pair of such detectors (13a11, 13b11; 13a12, 13b12; 13a13, 13b13; 13a14, 13b14) disposed on either side of said orifice (17a, 17b), except towards the lateral ends of the base (9) where the first and last orifices (17a, 17b) in the series are controlled respectively by first and last detectors (13a11, 13b11; 13a12, 13b12; 13a13, 13b13; 13a14, 13b14) in said series situated towards these ends,-- or by a detector (13a11, 13b11; 13a12, 13b12; 13a13, 13b13; 13a14, 13b14) activated by its beam being cut by the user (1), or said means able to move with him.
- Device (5) according to one of the preceding claims, characterised in that the base (9) on which the user (1) moves and where the or each flow of water (3, 28) created defines a layer of water (28) is disposed roughly horizontally.
- Device (5) according to one of the preceding claims, characterised in that, downstream of the practise base (9), the or each flow of water (3, 28) created flows towards a recovery circuit, through a net (33).
- Device (5) according to claim 1, characterised in that it further comprises:- a cable (2) on which the user holds in order to practise said board sport,- additional detection means (49) connected to said position controlling means (11), to detect the presence or not of the user (1) at the end of this cable (2),- and these position controlling means (11) are able to control the water-flow means (7) to adapt the presence of water and/or the distribution thereof on the base (9) according to the detection data transmitted by said additional detection means (49).
- Device (5) according to claim 10, characterised in that the additional detection means (49) comprise a tension sensor for detecting the tension in the cable (2).
- Method for artificially obtaining conditions for the practise of a nautical board sport, including at least one from among water skiing, wakeskating, wakeboarding or surfboarding, using water-flow means (7) creating, on a base (9), at least one flow of water (3, 28) on which the user (1) can practise said sport by performing thereon varied movements and style figures, characterised in that the position of the flow or flows of water (3, 28) created depends on the position or movements on this base (9) of the user (1) or means able to move with him.
- Method according to claim 12, characterised in that the position of the flow or flows of water (3, 28) created is adjusted by detecting the position or movements on the base (9) of the user (1) or means (1a, 2 ...) able to move with him so as to distribute the flow of water on this base (9) while moving it thereon according to the detection made transversely to the direction (15) of flow of the water.
- Method according to claim 12 or 13, characterised in that detection means (13a1, 13a2, 13b1, 13b2, 49 ...) act on the water-flow means (7) so that only part of the base (9), and therefore of the practise zone, that can be swept by the flow of water emerging from these water-flow means (7) is swept in a way enabling the practitioner to move thereon.
- Method according to one of claims 12 to 14, characterised in that the presence or not of the user (1) at the end of a cable (2) on which he is holding to practise said sport is detected, and the water-flow means (7) are controlled so that they supply water or not to said base (9) accordingl y.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0855479A FR2934788B1 (en) | 2008-08-08 | 2008-08-08 | DEVICE FOR ARTIFICIALLY RECREATING THE PRACTICE OF A SPORTS NAUTICAL SPORT |
PCT/FR2009/051572 WO2010015788A1 (en) | 2008-08-08 | 2009-08-07 | System for artificially recreating the practice of a water-based sliding sport |
Publications (2)
Publication Number | Publication Date |
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EP2356020A1 EP2356020A1 (en) | 2011-08-17 |
EP2356020B1 true EP2356020B1 (en) | 2016-03-30 |
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ID=40091805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP09740448.7A Active EP2356020B1 (en) | 2008-08-08 | 2009-08-07 | Device for artificially recreate gliding watersport |
Country Status (7)
Country | Link |
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US (1) | US20110171618A1 (en) |
EP (1) | EP2356020B1 (en) |
AU (1) | AU2009278964B2 (en) |
CA (1) | CA2734109A1 (en) |
ES (1) | ES2578577T3 (en) |
FR (1) | FR2934788B1 (en) |
WO (1) | WO2010015788A1 (en) |
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CN107773972A (en) * | 2016-08-26 | 2018-03-09 | 中集海洋工程研究院有限公司 | Semi-submersible type accommodation platform sports ground |
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-
2009
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- 2009-08-07 WO PCT/FR2009/051572 patent/WO2010015788A1/en active Application Filing
- 2009-08-07 CA CA2734109A patent/CA2734109A1/en not_active Abandoned
- 2009-08-07 US US13/057,895 patent/US20110171618A1/en not_active Abandoned
- 2009-08-07 EP EP09740448.7A patent/EP2356020B1/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107773972A (en) * | 2016-08-26 | 2018-03-09 | 中集海洋工程研究院有限公司 | Semi-submersible type accommodation platform sports ground |
CN107773972B (en) * | 2016-08-26 | 2019-11-15 | 中集海洋工程研究院有限公司 | Semi-submersible type accommodation platform sports ground |
Also Published As
Publication number | Publication date |
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WO2010015788A1 (en) | 2010-02-11 |
US20110171618A1 (en) | 2011-07-14 |
WO2010015788A4 (en) | 2010-04-29 |
ES2578577T3 (en) | 2016-07-28 |
AU2009278964B2 (en) | 2013-10-17 |
AU2009278964A1 (en) | 2010-02-11 |
CA2734109A1 (en) | 2010-02-11 |
EP2356020A1 (en) | 2011-08-17 |
FR2934788B1 (en) | 2013-01-11 |
FR2934788A1 (en) | 2010-02-12 |
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