EP2144059B1 - Vorrichtung zum Messen von physikalischen und/oder chemischen Messgrößen von zirkulierendem Wasser in einem Aufbereitungskreislauf eines Freizeitbeckens - Google Patents

Vorrichtung zum Messen von physikalischen und/oder chemischen Messgrößen von zirkulierendem Wasser in einem Aufbereitungskreislauf eines Freizeitbeckens Download PDF

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Publication number
EP2144059B1
EP2144059B1 EP09163361A EP09163361A EP2144059B1 EP 2144059 B1 EP2144059 B1 EP 2144059B1 EP 09163361 A EP09163361 A EP 09163361A EP 09163361 A EP09163361 A EP 09163361A EP 2144059 B1 EP2144059 B1 EP 2144059B1
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Prior art keywords
sensor
measurement
acquisition unit
sensors
previous
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EP09163361A
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English (en)
French (fr)
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EP2144059A1 (de
Inventor
Jean-Marc Boutet
Omar Saaid
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Klereo
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Klereo
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E04H4/1209—Treatment of water for swimming pools

Definitions

  • the present invention relates to the technical field of monitoring the water quality of a recreational pool by the regular measurement of physical and / or chemical characteristics of this quality.
  • an international application WO 2007/02530 has proposed an autonomous floating detector, used in a pool management facility, to automatically regulate the physicochemical properties of water, such as temperature, pH, oxygen level.
  • the autonomous floating detector comprises a certain number of sensors which make it possible to measure these parameters and to compare them with thresholds considered as desirable. In the event of crossing these thresholds, the detector transmits this information to a remote system ensuring the start-up of an oxygenation and filtration pump, as well as the distribution of appropriate cleaning products to bring the chemical parameter (s). in ranges of acceptable values.
  • Such a floating device actually makes it possible to measure physical and chemical quantities of the pool water, but has certain disadvantages. Firstly, the floating device encumbers the interior of the basin and disturbs its use. In addition, as part of a family pool in particular, the Floating measuring device is likely to be accidentally damaged by users playing in the pool. Finally, the characteristics measured by the floating device relate only to the surface water of the pool. However, it has become apparent that this information is not representative of the physicochemical state of all the water in the pool.
  • the integration of the wireless communication acquisition unit also facilitates the installation insofar as it avoids having to draw electrical wiring between the measuring device and the central unit using the measurement results.
  • the implementation of wireless communication for example radio or radio and the autonomous power supply, furthermore, to promote the electrical insulation of the sensors with respect to the water of the leisure pool, avoiding any risk of electrical coupling that could for example result from the implementation of an electrical connection line between the acquisition unit and a controller that would otherwise be connected to the ground.
  • no leakage current can flow from the measurement probes to another element integral with the earth or any power supply. No special precautions are then taken when setting up the device according to the invention.
  • the main body of the measuring device will then preferably be made of an electrically insulating material, such as for example a plastic such as polypropylene, polyethylene or PVC.
  • the measuring device therefore forms a ready-to-use complete set which integrates the functions of positioning implantation and sealed immobilization of the sensors, as well as acquisition and electrical supply of the latter.
  • the acquisition unit then ensures the collection of all the measurements of the sensors and then route them to one or more controllers controlling the organs likely to affect, by their operation, the values of the physical or chemical quantities measured by the sensors.
  • the measurements made in this way are, on the other hand, made with certainty in one and the same place, with no different disturbing agent on each. The fact of bringing together several measurements in the same place is all the more important as the different types of measurement are interdependent for the control of the pool.
  • the acquisition unit comprises measurement processing means performed by the sensors and the wireless communication means are adapted at least for transmitting the measurements made by the sensors and / or the result of the measurement. treatment of these measures by the processing means.
  • the device comprises fixing means for a receiving box of the acquisition unit.
  • the fixing means may then be optionally associated with a removable receiving housing of an acquisition unit.
  • the receiving box can also be an integral part of the device and not be removable.
  • the autonomous source of electrical energy of the acquisition unit comprises at least one electric accumulator such as a battery or a rechargeable battery.
  • the autonomous source of electrical energy may also include one or more non-rechargeable batteries also called primary batteries.
  • the acquisition unit is adapted to ensure a intermittent power supply of sensors and communication means.
  • the acquisition unit may for example be adapted to periodically acquire the measurements of each sensor in a period of time between 3 minutes and 10 minutes.
  • the implementation of a dedicated measurement chain and a dedicated supply for the measurement system ensures the quality of the chemical measurements that are generally performed by a sensor that is particularly sensitive to its supply conditions and works with very low current values.
  • the dedicated power supply comprises at least one capacitor charged by the regulator-inverter and the acquisition unit is adapted for, during the acquisition of a measurement from the chemical sensor, switch off the regulator-inverter supply of the dedicated measuring chain so that it is fed only by the capacitor. This feature avoids any risk of disturbance of the measurement by the interference generated by the controller-inverter.
  • the acquisition unit comprises means for connecting an external measurement sensor.
  • This feature is particularly advantageous, when it is necessary to measure a physical or chemical quantity whose optimum measurement location is located at a distance from the main body of the device according to the invention. This is for example the case of the measurement of the pressure in the water treatment circuit which will preferably be performed at a filter thus providing information indicative of the level of fouling of the latter.
  • the device comprises a temperature sensor, a pH sensor, and a sensor of the chlorine or dissolved oxygen level in the water which are adapted to the main body and a pressure sensor which is located away from the main body and connected to the acquisition unit.
  • the device comprises means for fixing electrical cables.
  • the implementation of such means of cable clamping makes it possible to secure the immobilization of these cables in order to avoid any inadvertent traction of the latter that can induce breaks or tearing of the sensors to which they are connected.
  • a recreational pool such as a pool P
  • a facility 1 for treating the water of the pool Such an installation 1 generally comprises a technical room 3 inside which is disposed a pumping unit 4 formed of a pump 4 'and a filter 4.
  • the pumping unit 4 may also comprise a multi-way valve. 4 "'interposed between the pump 4' and the filter 4" and a manifold 4 "" located upstream of the pump 4 'opposite the filter 4 "relative thereto.
  • the treatment plant 1 can also comprise different maintenance units also arranged inside the technical room, such as for example a pH control unit, a chemical treatment unit Cm for the distribution of, for example, chlorine or products. oxygenating, a heating unit Ch.
  • the pump 4 'and the various maintenance units are then connected to a control unit or controller 5 which ensures the power supply and the operation according to at least time slots for example .
  • the connection lines 6 between the unit 5 and the different units and / or pump are symbolized by a line in phantom.
  • the unit 5 generally comprises a user interface, not shown, allowing the automatic or manual start-up of the maintenance units, the control of the parameters or, more generally, the control of the treatment installation.
  • the treatment plant finally comprises a set of pipes 7 and a water treatment circuit 8 which connects the pumping unit to different points of the pool at which the water is either withdrawn or reinjected.
  • the flow direction of the water is here symbolized by arrows located near the pipes 7 and 8.
  • the invention proposes to incorporate in the circulation pipes the water to be treated. , a device 10 for measuring physical and / or chemical quantities according to the invention.
  • the device 10 is located downstream of the pumping and filtration unit 4, which makes it possible, on the one hand, to prevent fouling of the device, and, on the other hand, to provide measurements on water resulting from a mixture of water from different pool sampling points both at the surface and at depth. This mixture is thus perfectly representative of the general state of all the water of the pool P.
  • the device 10 comprises a main body 12 crossed by a measuring channel 13 shown in dashed lines.
  • the main body 12 is equipped at its two ends, means 14a, 14b of connection to the circuit 8 of water treatment.
  • the connecting means 14a and 14b can be made in any suitable manner, such as for example by rings to be clamped or sticking rings according to the embodiment of the water treatment circuit 8.
  • each of the rings 14a and 14b may be of a different type.
  • the main body 12 also comprises means 17a, 17b, 17c of implementation of at least two, and according to the illustrated example, three sensors 18a, 18b and 18c.
  • the means for holding and setting up the sensors are for example each constituted by a well extending transversely to the axis ⁇ of the measuring channel 13 and leading into the latter.
  • Each well has a conformation complementary to that of the associated sensor, so that the engagement of the sensor in the well comes to close it.
  • sealing systems such as for example O-rings, silicone-based adhesives and / or PTFE tape, makes it possible to obtain a perfect seal.
  • Each sensor 18a, 18b, 18c comprises an electric cable 19a, 19b, 19c which connects the corresponding sensor to an acquisition unit 20 located inside a housing 21 integral with the main body 12.
  • the housing 21 is adapted to fastening means formed by bases 22 adapted to the body 12.
  • This housing 21 can be sealed.
  • the bases 22 could be integrated in the main body 12, just as the sealed housing 21 could also be integrated with the main body 12, so as to form with the latter a one-piece assembly, except perhaps with regard to a lid 23 closing the sealed housing 21.
  • the main body 12 comprises fastening means 24, electrical cables 18a, 18b, 18c.
  • the fastening means 24 may be made in any appropriate manner, such as for example in the form of notches for receiving cables or riders coming to cover said cables.
  • the three sensors comprise a temperature sensor 18a, a pH measurement sensor 18b and a measurement sensor of the chlorine level 18c, it being understood that this sensor for measuring the chlorine content can be replaced by a sensor measuring the dissolved oxygen level.
  • the measuring device could also include both a sensor for measuring the chlorine content dissolved in the water and a sensor for measuring the dissolved oxygen level.
  • the acquisition unit 20 comprises, as is apparent from the figure 3 , means 30 for processing the measurements made by the sensors 18a to 18c.
  • the processing means may for example be formed by a microcontroller including in particular digital analog conversion means.
  • the sensors for measuring physical quantities, such as temperature, are then connected to the processing means 30 via a protection system 31 having a high impedance.
  • food of the acquisition unit 20 is provided by an autonomous source 32 of electrical energy comprising at least one electric accumulator 33, such as a battery or a battery.
  • the autonomous nature of the power source 32 then ensures perfect electrical insulation of the acquisition unit 20 and the sensors connected thereto relative to the water being measured.
  • the chemical measurement sensors are each associated with a specific measurement chain 34 which comprises, according to the illustrated example, an amplifier-follower Associated with an amplifier-inverter 36 so as to perfectly amplify the very low current values flowing in the sensors.
  • Each measurement chain 34 is then associated with a dedicated power supply 37 comprising a regulator-inverter 38, which makes it possible to supply each of the amplifiers with symmetrical positive and negative voltages from the DC voltage supplied by the source 32.
  • the dedicated power supply 37 also comprises at least one controlled switch 39 controlled by the acquisition means 30 so as to cut the power supply of the reversing regulator 38 during the measurements.
  • the dedicated power supply 37 then comprises capacitors 40 which then deliver the electrical energy necessary for the measurement.
  • the dedicated measurement chain 34 and its dedicated power supply 37, associated with the pH sensor 18b, are represented, it being understood that the unit 20 also comprises the same dedicated measurement chain and its associated dedicated power supply for each of the other sensors of chemical quantities and, here, for the 18c chlorine level sensor.
  • the electronic diagram can be optimized so as to use the maximum of electronic components in common for the measurement chains of the different sensors.
  • the acquisition unit 20 further comprises communication means 45 formed here by a radio communication module adapted to transmit the measurement results to the unit 5 which is then equipped with a suitable receiver .
  • the implementation of such a radio transmitter 45 also contributes to perfect electrical insulation of the sensors and the acquisition unit 20 with respect to the water being measured.
  • the processing means 30 are adapted to ensure an intermittent supply of the measuring means 18a, 18b, 18c, 34, 37 and of the transmission means 45, so that not to transmit the measurements made continuously but periodically according to a period, for example of the order of five minutes.
  • the acquisition unit will be placed in a state of rest. In this state of rest, the radio transmission means and the physical quantity sensors and their associated measurement chains are not powered.
  • the processing means 30 are adapted to ensure an intermittent supply of the measuring means 18a, 18b, 18c, 34, 37 and of the transmission means 45, so that not to transmit the measurements made continuously but periodically according to a period, for example of the order of five minutes.
  • the acquisition unit also comprises means 46 for connecting a sensor, such as for example a pressure sensor 47 located on the filter 4 "away from the device 10.
  • a sensor such as for example a pressure sensor 47 located on the filter 4 "away from the device 10.
  • the device 10 according to the invention thus formed greatly simplifies the installation of all the sensors necessary for almost automatic maintenance of the water quality of the pool P.
  • the acquisition unit 20 is directly integrated in the housing 21, it could also be envisaged to provide it autonomously to be used, either with a device analogous to the device according to the invention or to be integrated in another type of installation for monitoring and maintenance of the water quality of a leisure pool.
  • the device is inserted into the existing water circulation circuit, the measurement channel being an integral part of this circuit. It can also be envisaged that the device is mounted in branch with respect to the existing circuit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Water Supply & Treatment (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Farming Of Fish And Shellfish (AREA)

Claims (11)

  1. Vorrichtung (10) zum Messen physikalischer und/oder chemischer Größen von Wasser, das in einem Behandlungskreis (8) eines Schwimmbeckens (P) umgewälzt wird, wobei die Vorrichtung enthält:
    - einen Hauptkörper (12), durch den ein Messkanal (13) verläuft,
    - Mittel (14a, 14b) für die Verbindung des Messkanals (13) mit dem Behandlungskreis (8),
    - wenigstens zwei Messsensoren (18a, 18b), die an dem Hauptkörper angebracht sind, damit sie mit dem Innenraum des Messkanals (13) in Beziehung stehen können,
    wobei die Vorrichtung dadurch gekennzeichnet ist, dass sie außerdem enthält:
    - eine Erfassungseinheit (20), die mit den Messsensoren verbunden ist und eine selbständige Quelle (32) für elektrische Energie und Mittel (45) für die drahtlose Kommunikation mit einer Zentraleinheit (5) enthält.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Erfassungseinheit Mittel (30) zum Verarbeiten von Messungen, die von den Sensoren ausgeführt werden, enthält und dass die drahtlosen Kommunikationsmittel (45) wenigstens dazu ausgelegt sind, die von den Sensoren ausgeführten Messungen und/oder das Ergebnis der Verarbeitung dieser Messungen durch die Verarbeitungsmittel zu übertragen.
  3. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Erfassungseinheit (20) innerhalb des Aufnahmegehäuses (21), das mit dem Hauptkörper fest verbunden ist, angeordnet ist.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die selbständige Quelle (32) für elektrische Energie wenigstens einen elektrischen Akkumulator (33) enthält.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Erfassungseinheit (20) dazu ausgelegt ist, eine intermittierende Versorgung der Sensoren (18a, 18b) und der Kommunikationsmittel (45) sicherzustellen.
  6. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Erfassungseinheit (20) dazu ausgelegt ist, die Messungen jedes Sensors periodisch mit einer Periode einer Dauer im Bereich von 3 bis 10 Minuten zu erfassen.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie enthält:
    - wenigstens einen Sensor für eine chemische Größe des Wassers, die gewählt ist aus: pH-Wert, Anteil von gelöstem Chlor, Anteil von gelöstem Sauerstoff,
    - eine Messkette (34), die für den chemischen Sensor vorgesehen ist,
    - eine Versorgung (37), die der vorgesehenen Messkette (34) zugeordnet ist und einen Regulierer/Invertierer (38) enthält.
  8. Vorrichtung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die vorgesehene Versorgung (37) wenigstens einen durch den Regulierer/Invertierer (38) geladenen Kondensator (40) enthält und dass die Erfassungseinheit dazu ausgelegt ist, während der Erfassung einer Messung des chemischen Sensors die Versorgung des Regulierers/Invertierers (38) zu unterbrechen, so dass die vorgesehene Messkette (37) nur durch den Kondensator versorgt wird.
  9. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Erfassungseinheit Mittel (46) für den Anschluss eines externen Messsensors (47) enthält.
  10. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie einen Temperatursensor (18a), einen pH-Sensor (18b) und einen Sensor (18c) für den Anteil von im Wasser gelösten Chlor oder Sauerstoff, die an dem Hauptkörper (12) angebracht sind, und einen Drucksensor (47), der sich in einem Abstand von dem Hauptkörper (12) befindet und an die Erfassungseinheit (20) angeschlossen ist, enthält.
  11. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Hauptkörper (12) Mittel (17a, 17b) zum Anordnen und Halten von Sensoren enthält, die für jeden Sensor einen Schacht aufweisen, der sich quer zu der Achse des Messkanals erstreckt und in diesen letzteren mündet.
EP09163361A 2008-06-23 2009-06-22 Vorrichtung zum Messen von physikalischen und/oder chemischen Messgrößen von zirkulierendem Wasser in einem Aufbereitungskreislauf eines Freizeitbeckens Active EP2144059B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0854120A FR2932884B1 (fr) 2008-06-23 2008-06-23 Dispositif pour la mesure de grandeurs physiques et/ou chimiques d'eau eau circulant dans un circuit de traitement d'un bassin de loisirs.

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EP2144059A1 EP2144059A1 (de) 2010-01-13
EP2144059B1 true EP2144059B1 (de) 2011-08-17

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US (1) US8281647B2 (de)
EP (1) EP2144059B1 (de)
AT (1) ATE520978T1 (de)
ES (1) ES2379809T3 (de)
FR (1) FR2932884B1 (de)

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FR2979656B1 (fr) * 2011-09-07 2014-07-18 Arbatax Dispositif de detection d'encrassement d'un filtre pour piscine et procede associe
WO2014125419A1 (en) 2013-02-13 2014-08-21 Sreeram Raavi Device and method for measuring chemical and physical parameters of water for aquaculture
CN104597929B (zh) * 2014-03-26 2017-10-20 宁波市思虎电子科技有限公司 一种泳池水中氯产量的控制方法
CA2922949A1 (en) 2015-03-05 2016-09-05 Pentair Water Pool And Spa, Inc. Chemical controller system and method
AU2020201395A1 (en) * 2019-02-26 2020-09-10 Pentair Water Pool And Spa, Inc. Water quality monitor system and method
USD926610S1 (en) 2019-05-22 2021-08-03 Pentair Water Pool And Spa, Inc. Water quality monitor
US11137780B1 (en) 2021-02-25 2021-10-05 Valve Technologies, LLC Fluid distribution manifold
US11946565B2 (en) 2021-02-25 2024-04-02 Hayward Industries, Inc. Valve assembly
US11579635B2 (en) 2021-04-22 2023-02-14 Hayward Industries, Inc. Systems and methods for controlling operations of a fluid distribution system

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Publication number Publication date
FR2932884B1 (fr) 2010-08-27
US20100000300A1 (en) 2010-01-07
EP2144059A1 (de) 2010-01-13
ES2379809T3 (es) 2012-05-03
FR2932884A1 (fr) 2009-12-25
ATE520978T1 (de) 2011-09-15
US8281647B2 (en) 2012-10-09

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