EP2767640A1 - Device for electronically controlling the flushing of a urinal - Google Patents

Device for electronically controlling the flushing of a urinal Download PDF

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Publication number
EP2767640A1
EP2767640A1 EP14290038.0A EP14290038A EP2767640A1 EP 2767640 A1 EP2767640 A1 EP 2767640A1 EP 14290038 A EP14290038 A EP 14290038A EP 2767640 A1 EP2767640 A1 EP 2767640A1
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EP
European Patent Office
Prior art keywords
user
rinsing
duration
rinse
solenoid valve
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Granted
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EP14290038.0A
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German (de)
French (fr)
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EP2767640B1 (en
Inventor
Eric Bargé
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Delabie SA
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Delabie SA
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl
    • E03D5/105—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl touchless, e.g. using sensors
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D13/00—Urinals ; Means for connecting the urinal to the flushing pipe and the wastepipe; Splashing shields for urinals

Definitions

  • the present invention relates to a device for electronically controlling the rinsing of a urinal while minimizing the consumption of water (especially in the event of influx in public places).
  • Automatic urinal flushing is usually accomplished by opening and closing an electronically controlled solenoid valve: this ensures better hygiene and reduces water consumption compared to manually operated faucets.
  • These electronic controls operate with a constant cycle, namely: taking into account the presence of a user and triggering the rinse from it.
  • Some more sophisticated systems include a pre-rinse at the time of arrival of a user in the field of detection near the urinal.
  • urinals equipped with such systems are often installed in public places such as railway stations, sports halls, highways, and more generally in buildings intended to receive a large audience.
  • Another object of the invention is to provide such a device that is the most reliable and simple possible.
  • figure 1 representing a flowchart of the method according to the present invention
  • figure 2 representing a device for carrying out the method.
  • the method of rinsing an urinal comprises, on the one hand, the detection of the continuous presence of a user, provided that the time of this continuous presence is at least equal to a predetermined value T 0 , and the triggering a first rinse, or short rinse, a duration T 1 from this user, and, secondly, after a predetermined time T 2 , the triggering of a second rinse, or rinse long, with a duration T 3 greater than the duration T 1 , so as to properly clean the urinal siphon and the downstream pipe.
  • the time interval between two successive users is relatively low: it is then interesting in terms of water saving not to trigger the second rinse. To do this, it will only be triggered if the time interval between two users is greater than the predetermined time T 2 .
  • this predetermined duration T 2 can be between 20 and 30 seconds.
  • This short rinsing advantageously allows the urinal to be rinsed sufficiently to prevent bad smells while greatly reducing the consumption of water, while the rinsing along a duration T 3 , for example of the order of 3 to 12 seconds, avoids in particular the deposition of salts of ammonia or uric acid in the siphon of the urinal and the pipes: it will not be triggered unless no user is detected during the predetermined time interval T 2 . Once this long rinse is complete, a new cycle can begin again.
  • the time interval between two users can be relatively long, for example several hours, especially at night, it can be provided for a third rinse, or periodic rinse, lasting between 1 and 30 seconds after a certain time of non-use T 4 of the urinal.
  • This third rinse is primarily to avoid a defusing siphon equipping the urinal due to evaporation or aspiration.
  • the present invention also relates, as shown in FIG. figure 2 , a device for carrying out the method described above which comprises: a presence detector DP connected to a control microcontroller ⁇ C connected to a solenoid valve EV by a power unit OP.
  • the microcontroller takes into account the presence of the user.
  • the value T 0 is for example 10 seconds in order to avoid untimely implementation of the process.
  • the non-presence signal is taken into account by the microcontroller which then controls the opening of the solenoid valve for a first rinse or short rinse of a duration T 1 for example 1 to 2 seconds .
  • the microcontroller takes into account this new presence of a user and does not trigger not the opening of the solenoid valve.
  • the microcontroller in this case controls a new opening of the solenoid valve for a second rinse, or long rinse, of duration T 3 ; then the system goes to sleep waiting for the arrival of a new user. But, if during this long rinse the presence detector detects the presence of a user, then the microcontroller controls the immediate closure of the solenoid valve; a new cycle can then begin.
  • the microcontroller When the presence detector does not detect the presence of a minimum duration T 0 of a user and for a predetermined long period T 4 , for example 12 hours or 24 hours, the microcontroller is programmed to open the solenoid valve at the end of this period T 4 for a third rinse of a duration T 5 of between 1 to 30 seconds so as to avoid a defusing of the siphon of the urinal due to evaporation or possible aspiration. But if during this third rinse, the presence detector detects the presence of a user, then the microcontroller controls the immediate closure of the solenoid valve.
  • the method according to the present invention is also advantageously implemented thanks to a system allowing a choice among the preprogrammed durations, such as a mechanical selector with several positions, or a remote control, or a cycle of manual approaches of the detector to adapt the durations rinse to the needs of the installation such as dimensions of the urinal or dimensions of the siphon.
  • a microcontroller programmed ⁇ C which controls a solenoid valve EV via a power unit OP, the solenoid valve EV, fed by the water supply network, thus allowing execution the rinsing process of the urinal U as described above.
  • the microcontroller ⁇ C is further connected to a presence detector DP, such as an infrared presence detector IR for example, the signal delivered by the latter to the microcontroller ⁇ C to detect the presence or absence of a user, and finally the use of urinal U.
  • a presence detector DP such as an infrared presence detector IR for example
  • the microcontroller ⁇ C includes a sequential execution program of the rinsing process previously described.
  • the microcontroller ⁇ C is thus programmed to execute a sequence of instructions comprising at least, following the initialization of a cycle of repetitive operation of long periods of determined duration, the duration T 4 previously described in the description, a standby step 100 of presence detection of a user.
  • the presence detection is represented in the standby step 100 by the PU test.
  • the program On positive response PU? + Presence of a user of the urinal, the program also includes, as shown in figure 1 , a detection step 101, denoted by DU, of the continuous presence of the user for a determined duration, the duration T 0 previously mentioned in the description. On a negative response to the 101 DU-test, a return to the detection step 101 is made.
  • the program also comprises the call of a step 102 for executing a short rinse, constituting the first rinse of duration T 1 previously mentioned in FIG. description.
  • the program then comprises the execution of the successive stages of opening 103 of the solenoid valve EV and a closing step 104 of the solenoid valve EV at the end of the duration T 1 above for the effective execution of the short rinse.
  • the step 104 of closing the solenoid valve 104 is then followed by a delay step 105 during the duration T 2 , previously mentioned in the description, during which a detection test of a next user, noted DUs? is executed.
  • step 105 On positive response DUs? + To the next user detection test, in step 105, a return 105a is made to step 101 of continuous presence detection of a next user is performed. Indeed, as mentioned previously in the description, such a situation of a large number of successive users scrolling almost continuously before the device object of the invention occurs at the intermission of a show for example. This makes it possible successively to perform a short rinse between each user.
  • the program executes the call of a step 106 for executing a long rinse of determined duration, the duration T 3 , constituting the second rinse, as mentioned previously in the description. This operation is performed by opening 106 then closing 108 of the solenoid valve EV during the duration T 3 .
  • the program executes the call of a return step 109a in step 101 of detection continuous presence of a user during the determined time T 0 and call for execution 102 of the short rinse.
  • the program executes the call of a return step 109b to step 100 of the initial user presence detection watch.
  • the microcontroller executing the aforementioned program in the device which is the subject of the invention, the latter allows the execution of the method according to the invention while respecting in a very precise manner the successive repetition of short rinses, followed by a long rinse, and thus successively to perform the rinse cycle according to the method object of the invention.
  • This result is achieved not only by the discrimination of the successive presence of users, the presence of another user and, where appropriate, successive users of the latter, by means of the presence detector DP, but also thanks to the judicious choice of the duration values T 0 , T 1 , T 2 and T 3 previously mentioned in the description.
  • the sequential execution program of the rinsing process which is the subject of the invention further comprises the call of a periodic rinsing step 107, constituting the third rinsing, by opening 107 then closing 108 of the solenoid valve EV during the determined duration T 5 previously mentioned in the description.
  • the device object of the invention as well as the method implemented for this device are not limited in their implementation to the duration values mentioned in the description.
  • the different durations mentioned above can be parametrizable, remotely controlled and the relative value of these durations, in particular the relative value of their ratio, can be made adaptive depending on the attendance of the urinal equipped with a device implement the method of the invention or an installation of groups of urinals for the general public. It is understood, in particular, that while the adjustment of the relative value of these durations makes it possible to adapt the flexibility of use and implementation of the method of the device which is the subject of the invention, the choice and the adjustment of their intrinsic absolute value determines the saving of rinse water, for a feedwater flow rate of the solenoid valve EV determined.

Abstract

The method involves detecting the presence of a user (100), and triggering rinsing of a urinal after departure of the user (102), where the rinsing of the urinal is carried out systematically and immediately for a short rinsing duration (T1) after the departure of the user. Another rinsing operation of the urinal is carried out (106) for a long rinsing duration (T3) after a predetermined time (T2) when no other user is detected during the predetermined time, where the predetermined time is between 20 and 30 seconds. An independent claim is also included for a device for electronic controlled rinsing of a urinal.

Description

La présente invention est relative à un dispositif pour commander électroniquement le rinçage d'un urinoir tout en minimisant la consommation d'eau (notamment en cas d'affluence dans des lieux publics).The present invention relates to a device for electronically controlling the rinsing of a urinal while minimizing the consumption of water (especially in the event of influx in public places).

Le rinçage automatique d'un urinoir est habituellement réalisé par l'ouverture et la fermeture d'une électrovanne commandée électroniquement : ceci permet d'assurer une meilleure hygiène et de réduire la consommation d'eau par rapport à des robinets à commande manuelle. Ces commandes électroniques fonctionnent avec un cycle constant, à savoir : prise en compte de la présence d'un utilisateur et déclenchement du rinçage au départ de celui-ci. Certains systèmes plus sophistiqués comportent un pré-rinçage au moment de l'arrivée d'un utilisateur dans le champ de détection aux abords de l'urinoir.Automatic urinal flushing is usually accomplished by opening and closing an electronically controlled solenoid valve: this ensures better hygiene and reduces water consumption compared to manually operated faucets. These electronic controls operate with a constant cycle, namely: taking into account the presence of a user and triggering the rinse from it. Some more sophisticated systems include a pre-rinse at the time of arrival of a user in the field of detection near the urinal.

Par ailleurs, des urinoirs munis de tels systèmes sont souvent installés dans des lieux publics tels que gares, salles de sport, aires d'autoroutes, et plus généralement dans des bâtiments destinés à recevoir un nombreux public.In addition, urinals equipped with such systems are often installed in public places such as railway stations, sports halls, highways, and more generally in buildings intended to receive a large audience.

Ces systèmes connus ont notamment pour inconvénient de provoquer une consommation d'eau qui reste trop importante selon l'utilisation, et de risquer de se déclencher de façon intempestive dès lors qu'une personne est détectée au voisinage de l'urinoir.These known systems have the particular disadvantage of causing a consumption of water that remains too high depending on use, and risk of tripping inadvertently when a person is detected in the vicinity of the urinal.

Aussi un des buts de la présente invention est-il de fournir un dispositif pour commander électroniquement le rinçage d'un urinoir qui permet d'obvier les inconvénients des installations actuelles.It is therefore an object of the present invention to provide a device for electronically controlling the rinsing of a urinal which obviates the disadvantages of current installations.

Un autre but de l'invention est de fournir un tel dispositif qui soit le plus fiable et simple possible.Another object of the invention is to provide such a device that is the most reliable and simple possible.

Ces buts, ainsi que d'autres qui apparaîtront par la suite, sont atteints par un dispositif pour commander électroniquement le rinçage d'un urinoir au cours duquel, on détecte la présence d'un utilisateur et on déclenche un rinçage au départ de cet utilisateur, ce rinçage comprenant un premier rinçage, un rinçage court, d'une durée T1, un deuxième rinçage d'une durée T3, supérieure à celle de T1 du premier rinçage, après un temps prédéterminé T2, si un autre utilisateur n'est pas détecté pendant ce temps prédéterminé T2 puis on effectue un troisième rinçage d'une durée T5 lorsqu'aucune personne n'est détectée pendant une période longue prédéterminée T4, comprenant notamment, un détecteur de présence d'un utilisateur relié à un microcontrôleur de commande séquentielle suivant les différentes durées T1 à T5, ce microcontrôleur étant relié à une électrovanne d'exécution/arrêt des premier, deuxième et troisième rinçages, lequel dispositif est caractérisé selon la présente invention par le fait que le microcontrôleur inclut un programme d'exécution séquentielle du processus de rinçage comportant au moins, suite à l'initialisation d'un cycle de fonctionnement répétitif de période longue de durée déterminée T4, une étape de veille de détection de présence d'un utilisateur de l'urinoir, sur réponse positive de présence d'un utilisateur de ce dernier :

  • une étape de prise en compte de la présence continue de l'utilisateur pendant une durée déterminée T0; et, sur réponse positive au test de cette étape,
  • appel d'une étape d'exécution d'un rinçage court, constituant un premier rinçage par déroulement des étapes successives d'ouverture de l'électrovanne pendant une durée déterminée T1, puis d'une étape de fermeture de l'électrovanne; et, sur détection d'un utilisateur suivant,
  • une étape de retour à l'étape de prise en compte de la présence continue si une détection d'un utilisateur suivant est effectuée ; sinon, sur absence de détection d'un utilisateur suivant pendant une durée déterminée T2,
  • appel d'une étape d'exécution d'un rinçage long de durée déterminée T3, constituant un deuxième rinçage, par ouverture puis fermeture de l'électrovanne; puis, sur détection de la présence d'un autre utilisateur,
  • appel d'une étape de retour à l'étape de prise en compte de la présence continue d'un utilisateur; sinon, en l'absence de détection de la présence d'un autre utilisateur,
  • appel d'une étape de retour à l'étape de veille de détection de présence utilisateur.
These and other objects which will appear later are achieved by a device for electronically controlling the rinsing of a urinal during which the presence of a user is detected and a rinsing is started from the user. , this rinsing comprising a first rinsing, a short rinsing, of a duration T 1 , a second rinsing of a duration T 3 , greater than that of T 1 of the first rinsing, after a predetermined time T 2 , if another user is not detected during this predetermined time T 2 and then performs a third rinse of a duration T 5 when no one is detected for a predetermined long period T 4 , including including a presence detector of a user connected to a sequential control microcontroller according to the different durations T 1 to T 5 , this microcontroller being connected to an electrovalve for executing / stopping the first, second and third rinses, which device is characterized according to the present invention by the fact that the microcontroller includes a sequential execution program of the rinsing process comprising, at least, following the initialization of a repetitive operation cycle of long period of determined duration T4, a presence detection standby step of a user of the urinal, on positive response of presence of a user of the latter:
  • a step of taking into account the continuous presence of the user for a determined duration T 0 ; and, on positive response to the test of this step,
  • calling a step of performing a short rinse, constituting a first rinse by unfolding the successive steps of opening the solenoid valve for a predetermined period T 1 , then a closing step of the solenoid valve; and, on detection of a next user,
  • a step of returning to the step of taking into account the continuous presence if a detection of a next user is performed; otherwise, on the absence of detection of a next user during a determined period T 2 ,
  • calling a step of performing a long rinse of determined duration T 3 , constituting a second rinse, by opening and closing the solenoid valve; then, on detection of the presence of another user,
  • invoking a step of returning to the step of taking into account the continuous presence of a user; otherwise, in the absence of detection of the presence of another user,
  • calling a step back to the user presence detection standby step.

Avantageusement, sur réponse négative de présence d'un utilisateur de l'étape de veille pendant la période longue de durée déterminée T4 du cycle de fonctionnement répétitif, le programme d'exécution séquentielle du processus de rinçage comporte en outre :

  • l'appel d'une étape de rinçage périodique, constituant un troisième rinçage, par ouverture puis fermeture de l'électrovanne pendant une durée déterminée T5.
Advantageously, on the negative response of the presence of a user of the standby step during the long period of determined duration T 4 of the repetitive operating cycle, the sequential execution program of the rinsing process further comprises:
  • the call of a periodic rinsing step, constituting a third rinsing, by opening then closing the solenoid valve for a predetermined period T 5 .

La description qui va suivre et qui ne présente aucun caractère limitatif, doit être lue en regard de la figure 1 représentant un logigramme du procédé selon la présente invention et de la figure 2 représentant un dispositif pour la mise en oeuvre du procédé.The following description, which is not limiting in nature, must be read in conjunction with the figure 1 representing a flowchart of the method according to the present invention and the figure 2 representing a device for carrying out the method.

Le procédé de rinçage d'un urinoir selon la présente invention comprend, d'une part, la détection de la présence continue d'un utilisateur, pour autant que le temps de cette présence continue soit au moins égal à une valeur prédéterminée T0, et le déclenchement d'un premier rinçage, ou rinçage court, d'une durée T1 au départ de cet utilisateur, et, d'autre part, au bout d'un temps prédéterminé T2, le déclenchement d'un deuxième rinçage, ou rinçage long, d'une durée T3 supérieure à la durée T1, de manière à bien nettoyer le siphon d'urinoir et la canalisation aval.The method of rinsing an urinal according to the present invention comprises, on the one hand, the detection of the continuous presence of a user, provided that the time of this continuous presence is at least equal to a predetermined value T 0 , and the triggering a first rinse, or short rinse, a duration T 1 from this user, and, secondly, after a predetermined time T 2 , the triggering of a second rinse, or rinse long, with a duration T 3 greater than the duration T 1 , so as to properly clean the urinal siphon and the downstream pipe.

En cas d'affluence, l'intervalle de temps entre deux utilisateurs successifs est relativement faible : il est alors intéressant en terme d'économie d'eau de ne pas déclencher le deuxième rinçage. Pour ce faire, celui-ci ne sera déclenché que si l'intervalle de temps entre deux utilisateurs est supérieur au temps prédéterminé T2.In case of affluence, the time interval between two successive users is relatively low: it is then interesting in terms of water saving not to trigger the second rinse. To do this, it will only be triggered if the time interval between two users is greater than the predetermined time T 2 .

Aussi, selon la présente invention, il est défini une durée prédéterminée T2 correspondant à un intervalle du temps de présence entre deux utilisateurs : cette durée prédéterminée T2 peut être comprise entre 20 et 30 secondes.Also, according to the present invention, there is defined a predetermined duration T 2 corresponding to an interval of the time of presence between two users: this predetermined duration T 2 can be between 20 and 30 seconds.

Si l'intervalle du temps de présence entre deux utilisateurs est inférieur à cette durée prédéterminée T2, seul le premier rinçage qui dure le temps déterminé T1, par exemple de 1 à 2 secondes, a par conséquent lieu. Un tel mode de fonctionnement permet donc de prendre en compte le phénomène d'affluence qui survient de façon systématique, par exemple pendant les entractes lors d'un spectacle, d'une compétition sportive, ou lors de l'arrivée des occupants d'un autocar aux toilettes d'une aire d'autoroute. Ce rinçage court permet avantageusement de rincer suffisamment l'urinoir pour éviter les mauvaises odeurs tout en réduisant fortement la consommation d'eau, tandis que le rinçage long d'une durée T3, par exemple de l'ordre de 3 à 12 secondes, permet d'éviter notamment les dépôts de sels d'ammoniac ou d'acide urique dans le siphon de l'urinoir et les canalisations : il ne sera déclenché que si aucun utilisateur n'est détecté durant l'intervalle de temps prédéterminé T2. Une fois ce rinçage long terminé, un nouveau cycle peut recommencer.If the interval of the time of presence between two users is less than this predetermined duration T 2 , only the first rinsing which lasts the determined time T 1 , for example from 1 to 2 seconds, consequently takes place. Such a mode of operation thus makes it possible to take into account the phenomenon of affluence which occurs in a systematic way, for example during intermissions during a show, a sports competition, or when the occupants of a bus to the restrooms of a highway area. This short rinsing advantageously allows the urinal to be rinsed sufficiently to prevent bad smells while greatly reducing the consumption of water, while the rinsing along a duration T 3 , for example of the order of 3 to 12 seconds, avoids in particular the deposition of salts of ammonia or uric acid in the siphon of the urinal and the pipes: it will not be triggered unless no user is detected during the predetermined time interval T 2 . Once this long rinse is complete, a new cycle can begin again.

Si la présence d'un utilisateur est détectée lors de ce rinçage long, celui-ci est alors aussitôt stoppé et on revient au début du cycle.If the presence of a user is detected during this long rinse, it is then stopped immediately and we return to the beginning of the cycle.

Enfin, comme l'intervalle de temps entre deux utilisateurs peut être relativement long, par exemple de plusieurs heures, notamment la nuit, il peut être prévu un troisième rinçage, ou rinçage périodique, d'une durée comprise entre 1 et 30 secondes au bout d'un certain temps de non-utilisation T4 de l'urinoir. Ce troisième rinçage a surtout pour but d'éviter un désamorçage du siphon équipant l'urinoir du fait de l'évaporation ou d'une aspiration éventuelle.Finally, since the time interval between two users can be relatively long, for example several hours, especially at night, it can be provided for a third rinse, or periodic rinse, lasting between 1 and 30 seconds after a certain time of non-use T 4 of the urinal. This third rinse is primarily to avoid a defusing siphon equipping the urinal due to evaporation or aspiration.

La présente invention concerne aussi, ainsi que représenté en figure 2, un dispositif pour la mise en oeuvre du procédé décrit ci-dessus qui comprend : un détecteur de présence DP relié à un microcontrôleur de commande µC connecté à une électrovanne EV par un organe de puissance OP.The present invention also relates, as shown in FIG. figure 2 , a device for carrying out the method described above which comprises: a presence detector DP connected to a control microcontroller μC connected to a solenoid valve EV by a power unit OP.

Si le temps de présence continue d'un utilisateur est au moins égal à une valeur prédéterminée T0, le microcontrôleur prend en compte la présence de l'utilisateur. La valeur T0 est par exemple de 10 secondes afin d'éviter une mise en oeuvre intempestive du procédé.If the continuous presence time of a user is at least equal to a predetermined value T 0 , the microcontroller takes into account the presence of the user. The value T 0 is for example 10 seconds in order to avoid untimely implementation of the process.

Lorsque l'utilisateur quitte l'urinoir, le signal de non présence est pris en compte par le microcontrôleur qui alors commande l'ouverture de l'électrovanne pour un premier rinçage ou rinçage court d'une durée T1 par exemple 1 à 2 secondes.When the user leaves the urinal, the non-presence signal is taken into account by the microcontroller which then controls the opening of the solenoid valve for a first rinse or short rinse of a duration T 1 for example 1 to 2 seconds .

Si la présence d'un autre utilisateur est signalée par le détecteur de présence avant la fin du laps d'un temps prédéterminé T2, par exemple 20 à 30 secondes, le microcontrôleur prend en compte cette nouvelle présence d'un utilisateur et ne déclenche pas l'ouverture de l'électrovanne.If the presence of another user is signaled by the presence detector before the end of the lapse of a predetermined time T 2 , for example 20 to 30 seconds, the microcontroller takes into account this new presence of a user and does not trigger not the opening of the solenoid valve.

Si la présence d'un autre utilisateur n'a pas été détectée par le détecteur de présence durant ce laps de temps prédéterminé T2, le microcontrôleur commande dans ce cas une nouvelle ouverture de l'électrovanne pour un deuxième rinçage, ou rinçage long, d'une durée T3 ; puis le système se met en veille dans l'attente de l'arrivée d'un nouvel utilisateur. Mais, si pendant ce rinçage long le détecteur de présence détecte la présence d'un utilisateur, alors le microcontrôleur commande la fermeture immédiate de l'électrovanne ; un nouveau cycle peut ensuite commencer.If the presence of another user has not been detected by the presence detector during this predetermined period T 2 , the microcontroller in this case controls a new opening of the solenoid valve for a second rinse, or long rinse, of duration T 3 ; then the system goes to sleep waiting for the arrival of a new user. But, if during this long rinse the presence detector detects the presence of a user, then the microcontroller controls the immediate closure of the solenoid valve; a new cycle can then begin.

Lorsque le détecteur de présence ne détecte pas de présence d'une durée mini T0 d'un utilisateur et ce pendant une période longue prédéterminée T4, par exemple 12 heures ou 24 heures, le microcontrôleur est programmé de manière à ouvrir l'électrovanne au terme de cette période T4 pour un troisième rinçage d'une durée T5 comprise entre 1 à 30 secondes de façon à éviter un désamorçage du siphon de l'urinoir du fait de l'évaporation ou d'une aspiration éventuelle. Mais si pendant ce troisième rinçage, le détecteur de présence détecte la présence d'un utilisateur, alors le microcontrôleur commande la fermeture immédiate de l'électrovanne.When the presence detector does not detect the presence of a minimum duration T 0 of a user and for a predetermined long period T 4 , for example 12 hours or 24 hours, the microcontroller is programmed to open the solenoid valve at the end of this period T 4 for a third rinse of a duration T 5 of between 1 to 30 seconds so as to avoid a defusing of the siphon of the urinal due to evaporation or possible aspiration. But if during this third rinse, the presence detector detects the presence of a user, then the microcontroller controls the immediate closure of the solenoid valve.

Le procédé selon la présente invention est en outre avantageusement mis en oeuvre grâce à un système permettant un choix parmi les durées préprogrammées, tel que sélecteur mécanique à plusieurs positions, ou une télécommande, ou un cycle d'approches manuelles du détecteur pour adapter les durées de rinçage aux besoins de l'installation tels que dimensions de l'urinoir ou dimensions du siphon.The method according to the present invention is also advantageously implemented thanks to a system allowing a choice among the preprogrammed durations, such as a mechanical selector with several positions, or a remote control, or a cycle of manual approaches of the detector to adapt the durations rinse to the needs of the installation such as dimensions of the urinal or dimensions of the siphon.

Un tel dispositif est maintenant décrit de manière plus détaillée en liaison avec la figure 2 et la figure 1.Such a device is now described in more detail in connection with the figure 2 and the figure 1 .

Il comporte, de manière non limitative, un microcontrôleur programmé µC qui commande une électrovanne EV par l'intermédiaire d'un organe de puissance OP, l'électrovanne EV, alimentée par le réseau d'adduction d'eau, permettant ainsi d'exécuter le processus de rinçage de l'urinoir U tel que décrit ci-dessus. Le microcontrôleur µC est en outre relié à un détecteur DP de présence, tel qu'un détecteur de présence à infrarouge IR par exemple, le signal délivré par ce dernier au microcontrôleur µC permettant de détecter la présence ou l'absence d'un utilisateur, et finalement l'utilisation de l'urinoir U.It comprises, in a nonlimiting manner, a microcontroller programmed μC which controls a solenoid valve EV via a power unit OP, the solenoid valve EV, fed by the water supply network, thus allowing execution the rinsing process of the urinal U as described above. The microcontroller μC is further connected to a presence detector DP, such as an infrared presence detector IR for example, the signal delivered by the latter to the microcontroller μC to detect the presence or absence of a user, and finally the use of urinal U.

En référence à la figure 1, on indique que le microcontrôleur µC inclut un programme d'exécution séquentielle du processus de rinçage précédemment décrit.With reference to the figure 1 it is indicated that the microcontroller μC includes a sequential execution program of the rinsing process previously described.

Le microcontrôleur µC est ainsi programmé pour exécuter une suite d'instructions comportant au moins, suite à l'initialisation d'un cycle de fonctionnement répétitif de périodes longues de durée déterminée, la durée T4 précédemment décrite dans la description, une étape de veille 100 de détection de présence d'un utilisateur. La détection de présence est représentée à l'étape de veille100 par le test PU?.The microcontroller μC is thus programmed to execute a sequence of instructions comprising at least, following the initialization of a cycle of repetitive operation of long periods of determined duration, the duration T 4 previously described in the description, a standby step 100 of presence detection of a user. The presence detection is represented in the standby step 100 by the PU test.

Sur réponse positive PU?+ de présence d'un utilisateur de l'urinoir, le programme comporte également, ainsi que représenté en figure 1, une étape 101 de détection, notée DU?, de la présence continue de l'utilisateur pendant une durée déterminée, la durée T0 précédemment mentionnée dans la description. Sur réponse négative au test 101 DU?-, un retour à l'étape 101 de détection est effectué.On positive response PU? + Presence of a user of the urinal, the program also includes, as shown in figure 1 , a detection step 101, denoted by DU, of the continuous presence of the user for a determined duration, the duration T 0 previously mentioned in the description. On a negative response to the 101 DU-test, a return to the detection step 101 is made.

Sinon, sur réponse positive DU?+ au test de l'étape 101, le programme comporte en outre l'appel d'une étape 102 d'exécution d'un rinçage court, constituant le premier rinçage de durée T1 précédemment mentionné dans la description. Suite à l'exécution d'un nouveau test de présence utilisateur à l'étape 102, test noté PU?, et en réponse négative à ce test, soit en l'absence de l'utilisateur, le programme comporte ensuite l'exécution des étapes successives d'ouverture 103 de l'électrovanne EV puis d'une étape de fermeture 104 de l'électrovanne EV au bout de la durée T1 précitée pour l'exécution effective du rinçage court.Otherwise, on a positive response of the? + At the test of step 101, the program also comprises the call of a step 102 for executing a short rinse, constituting the first rinse of duration T 1 previously mentioned in FIG. description. Following the execution of a new user presence test in step 102, test noted PU ?, and in negative response to this test, or in the absence of the user, the program then comprises the execution of the successive stages of opening 103 of the solenoid valve EV and a closing step 104 of the solenoid valve EV at the end of the duration T 1 above for the effective execution of the short rinse.

L'étape 104 de fermeture de l'électrovanne 104 est alors suivie d'une étape de temporisation 105 pendant la durée T2, précédemment mentionnée dans la description, au cours de laquelle un test de détection d'un utilisateur suivant, noté DUs? est exécuté.The step 104 of closing the solenoid valve 104 is then followed by a delay step 105 during the duration T 2 , previously mentioned in the description, during which a detection test of a next user, noted DUs? is executed.

Sur réponse positive DUs?+ au test de détection d'un utilisateur suivant, à l'étape 105, un retour 105a est effectué vers à l'étape 101 de détection de présence continue d'un utilisateur suivant est effectuée. En effet, ainsi que mentionné précédemment dans la description, une telle situation d'un nombre important d'utilisateurs successifs défilant quasi continûment devant le dispositif objet de l'invention se produit à l'entracte d'un spectacle par exemple. Ceci permet d'exécuter successivement un rinçage court entre chaque utilisateur.On positive response DUs? + To the next user detection test, in step 105, a return 105a is made to step 101 of continuous presence detection of a next user is performed. Indeed, as mentioned previously in the description, such a situation of a large number of successive users scrolling almost continuously before the device object of the invention occurs at the intermission of a show for example. This makes it possible successively to perform a short rinse between each user.

Sinon, en l'absence de détection 105 DUs? - d'un utilisateur suivant, le programme exécute l'appel d'une étape 106 d'exécution d'un rinçage long de durée déterminée, la durée T3, constituant le deuxième rinçage, ainsi que mentionné précédemment dans la description. Cette opération est exécutée par ouverture 106 puis fermeture 108 de l'électrovanne EV pendant la durée T3.Otherwise, in the absence of detection 105 DUs? - From a next user, the program executes the call of a step 106 for executing a long rinse of determined duration, the duration T 3 , constituting the second rinse, as mentioned previously in the description. This operation is performed by opening 106 then closing 108 of the solenoid valve EV during the duration T 3 .

Suite à la fermeture de l'électrovanne EV à l'étape 108, sur détection 109 PUa?+ de la présence d'un autre utilisateur, le programme exécute l'appel d'une étape de retour 109a à l'étape 101 de détection de présence continue d'un utilisateur pendant la durée T0 déterminée et d'appel d'exécution 102 du rinçage court.Following the closing of the solenoid valve EV in step 108, on detecting 109 PUa + of the presence of another user, the program executes the call of a return step 109a in step 101 of detection continuous presence of a user during the determined time T 0 and call for execution 102 of the short rinse.

Sinon, en l'absence 109 PUa? - d'une détection de la présence d'un autre utilisateur, le programme exécute l'appel d'une étape de retour 109b à l'étape 100 de veille de détection de présence utilisateur initiale.Otherwise, in the absence 109 PUa? - Detecting the presence of another user, the program executes the call of a return step 109b to step 100 of the initial user presence detection watch.

On comprend que grâce à la mise en oeuvre du microcontrôleur exécutant le programme précité dans le dispositif objet de l'invention, ce dernier permet l'exécution du procédé selon l'invention en respectant de manière très précise la répétition successive de rinçages courts, suivie d'un rinçage long, et ainsi successivement pour réaliser le cycle de rinçage conforme au procédé objet de l'invention. Ce résultat est atteint non seulement grâce à la discrimination de la présence successive d'utilisateurs, de la présence d'un autre utilisateur et le cas échéant d'utilisateurs successifs de ce dernier, au moyen du détecteur de présence DP, mais également grâce au choix judicieux des valeurs de durée T0, T1, T2 et T3 précédemment mentionnées dans la description.It will be understood that by using the microcontroller executing the aforementioned program in the device which is the subject of the invention, the latter allows the execution of the method according to the invention while respecting in a very precise manner the successive repetition of short rinses, followed by a long rinse, and thus successively to perform the rinse cycle according to the method object of the invention. This result is achieved not only by the discrimination of the successive presence of users, the presence of another user and, where appropriate, successive users of the latter, by means of the presence detector DP, but also thanks to the judicious choice of the duration values T 0 , T 1 , T 2 and T 3 previously mentioned in the description.

Enfin, ainsi que représentés au dessin de la figure 1, sur réponse négative PU? - de présence d'un utilisateur de l'étape de veille 100 pendant la période longue de durée déterminée T4 du cycle de fonctionnement répétitif, le programme d'exécution séquentielle du processus de rinçage objet de l'invention comporte en outre l'appel d'une étape 107 de rinçage périodique, constituant le troisième rinçage, par ouverture 107 puis fermeture 108 de l'électrovanne EV pendant la durée déterminée T5 précédemment mentionnée dans la description.Finally, as shown in the drawing of the figure 1 , on negative answer PU? the presence of a user of the standby step 100 during the long period of determined duration T 4 of the repetitive operating cycle, the sequential execution program of the rinsing process which is the subject of the invention further comprises the call of a periodic rinsing step 107, constituting the third rinsing, by opening 107 then closing 108 of the solenoid valve EV during the determined duration T 5 previously mentioned in the description.

Le dispositif objet de l'invention de même que le procédé mis en oeuvre pour ce dispositif ne sont pas limités dans leur mise en oeuvre aux valeurs de durée mentionnées dans la description.The device object of the invention as well as the method implemented for this device are not limited in their implementation to the duration values mentioned in the description.

En particulier, les différentes durées précitées peuvent être paramétrables, contrôlées à distance et la valeur relative de ces durées, en particulier la valeur relative de leur rapport, peut être rendue adaptative en fonction de la fréquentation de l'urinoir équipé d'un dispositif mettant en oeuvre le procédé objet de l'invention ou d'une installation de groupes d'urinoirs destinés au grand public. On comprend, en particulier, qu'alors que le réglage de la valeur relative de ces durées permet d'adapter la flexibilité d'utilisation et de mise en oeuvre du procédé du dispositif objet de l'invention, le choix et le réglage de leur valeur absolue intrinsèque détermine l'économie d'eau de rinçage, pour un débit d'eau d'alimentation de l'électrovanne EV déterminé.In particular, the different durations mentioned above can be parametrizable, remotely controlled and the relative value of these durations, in particular the relative value of their ratio, can be made adaptive depending on the attendance of the urinal equipped with a device implement the method of the invention or an installation of groups of urinals for the general public. It is understood, in particular, that while the adjustment of the relative value of these durations makes it possible to adapt the flexibility of use and implementation of the method of the device which is the subject of the invention, the choice and the adjustment of their intrinsic absolute value determines the saving of rinse water, for a feedwater flow rate of the solenoid valve EV determined.

Claims (2)

dispositif pour commander électroniquement le rinçage d'un urinoir au cours duquel, on détecte la présence d'un utilisateur et on déclenche un rinçage au départ de cet utilisateur, ce rinçage comprenant un premier rinçage, un rinçage court, d'une durée T1, un deuxième rinçage d'une durée T3, supérieure à celle de T1 du premier rinçage, après un temps prédéterminé T2, si un autre utilisateur n'est pas détecté pendant ce temps prédéterminé T2 puis on effectue un troisième rinçage d'une durée T5 lorsqu'aucune personne n'est détectée pendant une période longue prédéterminée T4, comprenant notamment, un détecteur de présence d'un utilisateur relié à un microcontrôleur de commande séquentielle suivant les différentes durées T1 à T5, ce microcontrôleur étant relié à une électrovanne d'exécution/arrêt des premier, deuxième et troisième rinçages, caractérisé par le fait que le microcontrôleur inclut un programme d'exécution séquentielle du processus de rinçage comportant au moins, suite à l'initialisation d'un cycle de fonctionnement répétitif de période longue de durée déterminée (T4), une étape (100) de veille de détection de présence d'un utilisateur (PU ?) de l'urinoir, sur réponse positive (PU+) de présence d'un utilisateur de ce dernier : - une étape (101) de prise en compte de la présence continue (DU?) de l'utilisateur pendant une durée déterminée (T0); et, sur réponse positive (DU?+) au test de cette étape (101), - appel d'une étape (102) au cours de laquelle est effectué un nouveau test de présence de l'utilisateur (PU ?) et en cas de réponse négative à ce test, est exécuté un rinçage court, constituant un premier rinçage par déroulement des étapes successives (103) d'ouverture de l'électrovanne pendant une durée déterminée (T1), puis d'une étape (104) de fermeture de l'électrovanne; - ladite étape (104) de fermeture de l'électrovanne étant suivie d'une étape (105) de temporisation déterminée pendant une durée (T2) au cours de laquelle un test de détection d'un utilisateur suivant (DUs ?) est exécuté : - si un utilisateur suivant est détecté (105+) alors retour (105a) à l'étape (101) de prise en compte de la présence continue, - si aucun nouvel utilisateur n'a été détecté (105-) pendant cette durée déterminée T2 alors appel d'une étape (106) d'exécution d'un rinçage long de durée déterminée (T3), constituant un deuxième rinçage, par ouverture puis fermeture (108) de l'électrovanne (EV) puis, sur détection (109+) de la présence d'un autre utilisateur (PUa ?+), - appel d'une étape de retour (109a) à l'étape (101) de prise en compte de la présence continue d'un utilisateur; sinon, en l'absence (109-) de détection de la présence d'un autre utilisateur (PUa ?-), - appel d'une étape de retour (109b) à l'étape (100) de veille de détection de présence utilisateur. device for electronically controlling the rinsing of a urinal during which the presence of a user is detected and a rinsing is started from this user, this rinsing comprising a first rinsing, a short rinsing, of a duration T 1 a second rinse of a duration T 3 , greater than that of T 1 of the first rinsing, after a predetermined time T 2 , if another user is not detected during this predetermined time T 2 and then a third rinsing is performed; a duration T 5 when no one is detected during a predetermined long period T 4 , notably comprising a presence detector of a user connected to a sequential control microcontroller according to the different durations T 1 to T 5 , this microcontroller being connected to an electrovalve for executing / stopping the first, second and third rinses, characterized in that the microcontroller includes an execution program sequence of the rinsing process having at least, following the initialization of a repetitive cycle of long duration period of determined duration (T4), a step (100) of standby detection of presence of a user (PU?) of the urinal, on positive response (PU +) of presence of a user of the latter: a step (101) of taking into account the continuous presence (DU?) of the user for a determined duration (T 0 ); and, on a positive response (DU? +) to the test of this step (101), - call a step (102) during which is performed a new user presence test (PU?) and in case of negative response to this test, is performed a short rinse, constituting a first rinse by unfolding successive steps (103) for opening the solenoid valve for a determined duration (T 1 ), then a step (104) for closing the solenoid valve; said step (104) for closing the solenoid valve being followed by a delay step (105) determined for a duration (T 2 ) during which a next user detection test (DUs?) is executed : if a next user is detected (105+) then return (105a) to the step (101) of taking into account the continuous presence, if no new user has been detected (105-) during this determined duration T 2, then call a step (106) for performing a long rinse of determined duration (T 3 ), constituting a second rinse, by opening then closing (108) of the solenoid valve (EV) then, on detection (109+) of the presence of another user (PUa? +), calling a return step (109a) to the step (101) of taking into account the continuous presence of a user; otherwise, in the absence (109-) of detecting the presence of another user (PUa? -), calling a return step (109b) to the user presence detection standby step (100). Dispositif selon la revendication 1, caractérisé en ce que, sur réponse négative (PU?-) de présence d'un utilisateur de l'étape de veille (100) pendant la période longue de durée déterminée (T4) du cycle de fonctionnement répétitif, ledit programme d'exécution séquentielle du processus de rinçage comporte en outre : - l'appel d'une étape (107) de rinçage périodique, constituant un troisième rinçage, par ouverture (107) puis fermeture (108) de l'électrovanne (EV) pendant une durée déterminée (T5). Device according to Claim 1, characterized in that on the negative response (PU? -) of the presence of a user of the standby step (100) during the long period of determined duration (T 4 ) of the repetitive operating cycle said sequential execution program of the rinsing process further comprises: - The call of a step (107) of periodic rinsing, constituting a third rinse, opening (107) and closing (108) of the solenoid valve (EV) for a predetermined period (T 5 ).
EP14290038.0A 2013-02-18 2014-02-18 Device for electronically controlling the flushing of a urinal Active EP2767640B1 (en)

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FR1300352A FR3002247B1 (en) 2013-02-18 2013-02-18 ELECTRONIC CONTROL METHOD FOR RINSING URINALS

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CN106838432B (en) * 2017-03-06 2019-01-08 江苏大学 A kind of electronically controlled unit pump driving circuit for electromagnetic valve and its control method
FR3085977B1 (en) 2018-09-19 2020-08-28 Delabie CONTROL SYSTEM WITH TRIGGER BY PRESENCE DETECTION

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