WO2015181411A1 - Système d'économie d'eau et procédé de fonctionnement de celui-ci - Google Patents

Système d'économie d'eau et procédé de fonctionnement de celui-ci Download PDF

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Publication number
WO2015181411A1
WO2015181411A1 PCT/ES2015/070217 ES2015070217W WO2015181411A1 WO 2015181411 A1 WO2015181411 A1 WO 2015181411A1 ES 2015070217 W ES2015070217 W ES 2015070217W WO 2015181411 A1 WO2015181411 A1 WO 2015181411A1
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WO
WIPO (PCT)
Prior art keywords
water
module
activation
hot
saving system
Prior art date
Application number
PCT/ES2015/070217
Other languages
English (en)
Spanish (es)
Inventor
Eduardo DUEÑAS LADRÓN DE GUEVARA
Juan Francisco CÁLIZ GONZÁLEZ
José Manuel DÍAZ SANTIAGO
Samuel TIRADO GRANADOS
Original Assignee
Métrica6 Ingeniería Y Desarrollos, S.L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Métrica6 Ingeniería Y Desarrollos, S.L. filed Critical Métrica6 Ingeniería Y Desarrollos, S.L.
Publication of WO2015181411A1 publication Critical patent/WO2015181411A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/044—Water-basin installations specially adapted to wash-basins or baths having a heating or cooling apparatus in the supply line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems

Definitions

  • the present invention relates to a water saving system intended to be installed in a hot and cold sanitary water supply installation, applicable to all types of homes, whereby the loss of cold water normally caused by the drain while waiting for the arrival of hot water at a certain point of consumption.
  • Document ES 2368540 A1 describes a system for saving water in a home, comprising a non-return valve, a self-pump to the heater inlet and push buttons connected between the cold water outlet and the hot water outlet.
  • the system described in ES 2368540 A1 has some disadvantages.
  • the pump automatically works when it detects a pressure in the outlet duct less than in the inlet duct, so it will start operating not only when necessary for the operation of the system described in that document, but on other occasions (when the tap is opened, when there is a small loss in the line, ).
  • the present invention proposes a solution to the above problems by means of a water saving system according to claim 1 and an operating method. according to claim 12.
  • Preferred embodiments of the invention are defined in the dependent claims.
  • the invention defines a water saving system adapted to be installed on a water supply installation, the water supply installation comprising a general conduit, a bifurcation point in which the general conduction forks towards a branch of hot water and a branch of cold water, a non-return valve, located upstream from the fork point, a water heater, with inlet and outlet, located in the branch of hot water and at least one point of consumption of hot and cold water, each of which reaches a cold line that comes from the cold water branch and a hot line that comes from the hot water branch, characterized by the system comprising: an activation module, comprising activation means, a first control means and a first wireless signal receiving transmitter,
  • a recirculation module intended to be installed between the bifurcation point and the heater inlet, which comprises a suitable electric pump to recirculate the water in the direction from the bifurcation point to the heater, a second control means and a wireless signal receiver,
  • connection module comprising a third control means, a second wireless signal receiving transmitter, a first solenoid valve located in fluid connection with a cold conduction and a hot conduction that reach the same point of consumption so that when the first is opened solenoid valve communicates the water of the cold conduction and the hot conduction with which it is in contact, and, a stop means suitable for detecting a cessation of activity condition.
  • the activation means is a device suitable to be operated by a user, and suitable to provide the first control means with an activation signal when the user's action has occurred.
  • a push button a remote control
  • a touch button a touch button
  • a voice detector or the hot water tap control itself.
  • the system comprises an electric pump, whose activation and shutdown is governed exclusively by the second control means, so that no other External circumstance can cause it to start up or stop uncontrollably.
  • the condition of cessation of activity is detected by the stopping means.
  • These stopping means may comprise one or more of a timer, a temperature sensor or external stopping means.
  • the recirculation module further comprises an expansion port.
  • the expansion port is an electronic slot capable of communicating an additional device with the recirculation module, such as: a descaling module, pipe cleaning systems, etc.
  • the recirculation module additionally comprises at least one element between a pressure sensor, optical indicators and an LED display.
  • the first solenoid valve included in the connection module is bistable in nature.
  • the activation module additionally comprises optical and / or acoustic warning means suitable for displaying different messages depending on the different operating states of the saving system.
  • the activation means is a pressure switch comprised in a hot water tap control
  • the system additionally comprises a second solenoid valve and a non-return valve adapted to be located between a stopcock comprised in the driving of hot water and the point where the connection module is connected to the hot line so that the second solenoid valve, when closed, prevents water from flowing out of the hot line outside.
  • the activation means is a pressure switch comprised in a hot water tap control
  • the first solenoid valve is a three-way solenoid valve
  • the water saving system further comprises an anti-return valve adapted to be located between a stopcock included in the hot water line and the point where the connection module connects with the hot line so that the three-way solenoid valve, when closed, prevents water from flowing out of the hot line outside.
  • the invention provides a water supply installation comprising a water saving system according to the first inventive aspect.
  • a third inventive aspect according to the invention provides a method of operating the saving system according to the first inventive aspect, characterized by the method comprising the steps of: a user activates the activation means of the activation module,
  • the first wireless signal receiving transmitter of the activation module sends an activation signal to the wireless signal receiver of the recirculation module and to the second wireless signal receiving transmitter of the connection module,
  • the recirculation module once the activation signal is received, starts the electric pump
  • connection module once the activation signal is received, changes the state from the first closed-to-open solenoid valve, the circulation of water from the hot pipes to the cold pipes and through the heater, until the stop means detect a condition of cessation of activity
  • connection module changes the state of the first solenoid valve from open to closed and the second wireless signal receiving transmitter of the connection module sends a stop signal to the receiver of wireless signal from the recirculation module,
  • the recirculation module once the stop signal is received, for the electric pump.
  • this allows the method of operation to cause the recirculation of water until the condition of cessation of activity is verified, at which time the system opens the first solenoid valve for the hot water to go outside. In this way, no water is wasted while it reaches its operating temperature.
  • the saving system is one that additionally comprises a temperature sensor and the activity cessation condition is detected by the temperature sensor, upon reaching a predetermined temperature or set by the user.
  • the saving system is of those that additionally comprise a timer, and the condition of cessation of activity is detected by the timer, upon reaching its predetermined time or set by the user.
  • the saving system is one of those comprising external stopping means, and the condition of cessation of activity is detected by the external stopping means, when activated by the user.
  • the saving system is one of those additionally comprising a timer, and once the user activates the activation means, the activation module causes the activation of the optical and / or acoustic indicators of the activation module itself , and once the stop means detect the condition of cessation of activity, the second signal receiving transmitter
  • the wireless module of the connection module sends an activity cessation signal to the first wireless signal sender-receiver of the activation module, after which the activation module causes a change in the optical and / or acoustic indicators.
  • the activation means is a pressure switch comprised in a hot water tap control
  • the saving system additionally comprises a second solenoid valve and a non-return valve adapted to be located between a stopcock comprised in the hot water line and the point where the connection module is connected to the hot line, and once the user activates the activation means, the first control means activates the second solenoid valve, and said second solenoid valve closes, preventing water flows out of the hot water pipe outside.
  • the activation means is a pressure switch comprised in a hot water tap control
  • the first solenoid valve is a three-way solenoid valve
  • the water saving system additionally comprises a non-return valve adapted to be located between a key of passage included in the hot water line and the point where the connection module is connected to the hot line, and once the user activates the activation means, the first control means activates the three-way solenoid valve, so that said three-way solenoid valve prevents water from flowing out of the hot water pipe outside.
  • FIG. 1 This figure shows a general scheme of a hot and cold sanitary water supply installation provided with a saving system according to the invention.
  • FIG. 2 This figure shows a diagram of the activation module according to an embodiment of the invention.
  • FIG. 3 This figure shows a diagram of the recirculation module according to an embodiment of the invention.
  • FIG. 4 This figure shows a diagram of the connection module, in recirculation operation according to an embodiment of the invention.
  • FIG. 1 shows a hot and cold sanitary water supply installation, from a general supply line (1 1) in which a general stopcock (3) is mounted.
  • This general supply line (1 1) having reached a fork point (9), branches towards the hot water branch (10) and the cold water branch (8). It also has a non-return valve (2) located upstream from the fork point (9).
  • the hot water branch (10) has a water heater (4) that has an inlet (5) and an outlet (6).
  • the installation includes a series of hot and cold water consumption points (7), each of which reaches a cold line (15) that comes from the cold water line (8) and a hot line (16) that comes from the branch of hot water (10).
  • the invention is also suitable for installations in which cold conduits (15) and hot conduits (16) are in turn provided with stopcocks (3).
  • the saving system (1) comprises a series of elements adapted to be installed on this supply installation: at least one system activation module (12), one recirculation module (13) and at least a connection module (14).
  • the recirculation module (13) is installed between the branch point (9) and the inlet (5) of the heater (4).
  • the activation module (12) and the connection module (14) can be installed in a different place from the recirculation module (13).
  • the water saving system according to the invention comprises a single activation module (12) and a single connection module (14), and both are installed in the vicinity of the water consumption point (7) plus away from the heater (4).
  • the saving system (1) includes an activation module (12) and a connection module (14) at each consumption point (7).
  • FIG. 2 shows an example of an activation module (12) according to the invention.
  • This activation module (12) comprises activation means (21), which in this particular example is a manually operated capacitive button, a first control means (22), optical (23) and acoustic warning means (24) ) suitable for displaying different messages depending on the different operating states, and a first wireless signal receiving transmitter (25). In a particular embodiment, it also comprises external stopping means (26). In a particular embodiment, the activation module (12) is powered by batteries.
  • the activation means (21) comprise a pressure switch located in a hot water tap control
  • the saving system additionally comprises a second solenoid valve and a non-return valve adapted to be located between a stopcock included in the hot water line and the point where the connection module is connected to the hot line.
  • the first control means also activates the second solenoid valve, and said second solenoid valve closes, preventing water from flowing out of the hot water line to the outside.
  • the activation means (21) comprise a pressure switch located in a hot water tap control
  • the first solenoid valve is a three-way solenoid valve
  • the water saving system additionally comprises an anti-return valve adapted for be located between a stopcock included in the hot water line and the point where the connection module is connected to the hot line.
  • FIG 3 shows a particular example of the recirculation module (13), comprising a recirculating electric pump (31), remotely operable, a second control means (32), a wireless signal receiver (33), a sensor pressure (34), optical indicators (35), a led display (36) and an expansion port (37).
  • This recirculation module (13) is powered by the mains and has an inlet (38) of water from the hot water branch (10) and an outlet (39), after passing through the electric pump (31), to the same branch of hot water (10) downstream, which runs to the heater (not shown).
  • optical indicators (35) are suitable to show the progress in the operation of the saving system (1).
  • the expansion port (37) is an electronic slot capable of communicating an additional device with the recirculation module (13).
  • the second control means (32) of the recirculation module (13) is able to identify if a device has been installed in the expansion port (37) and to show its configuration and use options on the LED display (36).
  • Said led display (36) is an input / output device, and is capable of allowing the selection of a specific program when other systems have been connected to the expansion port (37) of the recirculation module (13).
  • connection module (14) located near a point of consumption (7), which reaches a cold line (15) and a hot line (16).
  • This connection module (14) comprises a third control means (41), a first solenoid valve (42), in fluid connection with the cold line (15) and with the hot line (16), a temperature sensor (43) , a timer (44) and a second wireless signal receiving transmitter (45).
  • the first solenoid valve (42) is bistable in nature with very low power consumption.
  • the device can be powered by batteries or batteries, thus ensuring that it can be installed directly in the shower or bathtub complying with the requirements contained in the Low Voltage Electrotechnical Regulation, ITC-BT-27, referring to the conditions that must comply with the electronic circuits contained in shower or bath installations for domestic use.
  • ITC-BT-27 Low Voltage Electrotechnical Regulation
  • the first wireless signal receiving transmitter (25) sends a wireless signal to the connection module (14) to change the normal state of the first solenoid valve (42) from closed to open, starting the timer (44) according to a predetermined time or adjustable by the user. It also sends a wireless signal to the recirculation module (13), to start the electric pump (31). Finally, it triggers the activation of the optical (23) and acoustic (24) indicators of the activation module (12), producing water recirculation, from the hot pipes (16) to the cold pipes (15) and through the heater (4).
  • the temperature sensor (43) indicates that the water has reached its setpoint, or
  • the timer (44) indicates that the maximum waiting time for the service has already elapsed, or
  • the activity stop signal reaches the connection module (14), after which the third control means (41) of the connection module (14) wirelessly sends a triple signal: to the recirculation (13) to stop the operation of the electric pump (31), the connection module (14) to close the first solenoid valve (42) and the activation module (12) to indicate, by means of the optical indicators (23) and acoustic (24), the state of process.
  • the signals emitted by the optical (23) and acoustic (24) indicators will depend on whether the termination of the cycle has been due to cause a) or cause b).
  • the user can open the tap and use the water, knowing that it will be hot at the setpoint temperature in case a), at a temperature below that in case b) or any of the above. in case c).
  • the system comprises a temperature sensor (43), but does not comprise a timer (44) or external stop means (26), so in this embodiment, the cessation of activity signal will always be generated by the temperature sensor (43), which will emit the activity stop signal when it detects that the water temperature reaches the setpoint.
  • the system comprises a timer (44), but does not comprise a temperature sensor (43) or external stopping means (26), so in this embodiment, the activity stop signal will always be generated. by the timer (44), which will emit the activity stop signal when the maximum waiting time has elapsed.
  • the system comprises external stopping means (26), but does not comprise temperature sensor (43) or timer (44), so in this embodiment, the activity cessation signal will always be generated by the external stopping means (26).
  • a water saving system according to the invention that has a single recirculation module (13) is sufficient to bring the service to all points of the house.
  • this system only the installation of a single activation module (12) and a single connection module (14) is essential, although in particular embodiments it is allowed to install as many activation modules (12) and connection modules (14) as the user requires, from a single recirculation module (13).
  • the activation (12), recirculation (13) and connection (14) modules are connected wirelessly, preferably by radio signals, as follows: ⁇
  • the activation module (12) comprises a first wireless signal receiving transmitter (25) adapted to receive a wireless cessation signal emitted from the connection module (14) and to emit a wireless activation signal to the recirculation module (13) and the connection module ( 14).
  • the connection module (14) comprises a second wireless signal receiving transmitter (45) adapted to emit a wireless cessation signal to the activation module (12) and the recirculation module (13) and to receive a wireless signal of activation from the activation module (12).
  • the recirculation module (13) comprises a wireless signal receiver (33) adapted to receive the wireless activation signals from the activation module (12) and the wireless activity stop signal from the connection module (14).
  • This circumstance allows to maintain a completely electronic control, facilitating its integration into home automation networks.
  • the system offers the advantage of reacting advantageously in the event of any of the following failures: ⁇ If there is a failure in the mains power supply, the electric pump (31) will not be activated, allowing the passage of water through of it, without affecting the demand for service.
  • the first battery-powered solenoid valve (42) will change its status to closed if it is open, or it will remain closed in any case.
  • the activation module (12) in case it is battery powered and comprises optical indicators (23), will flash in a flashing manner, as a fault alarm.
  • all the activation (12), recirculation (13) and connection (14) modules are configurable by the home user, by means of a specific program for the recognition of all the modules that the user is going to install in your home.
  • the program includes a functionality for the recirculation module (13) to recognize all the connection module assemblies (14) that are nearby when activated, allowing it to communicate only with them and not with other nearby facilities. This function can be implemented at any time.
  • One of the main advantages of the installation of the invention is the possibility of installing the system in any home that has a domestic water heater.
  • Another advantage derives from the constitution of the installation by means of three modules, which allows to install the most bulky module, the one of recirculation (13), in a non-problematic place near the heater (4), with power outlet, far from the moisture that can affect electronic devices.
  • the activation module (12) and connection module (14) can be installed discreetly at the desired point of consumption, provided that it has access to hot and cold water pipes, the furthest point from the heater being recommended.
  • additional connection modules (14) could be installed without having to adapt in a special way the rest of the system elements already installed.
  • an electric pump (31) that can be activated by remote control in front of the pump that includes other systems:
  • the pump remains in operation and consumes electrical power unnecessarily as long as any hot water tap is open, even if the activation module (12) is not installed in said tap. On the contrary, the electric pump (31) only consumes power when system activation is required.
  • the pumper would also remain running before any pressure drop of the hot water branch (10), such as a small leak in the circuit, until the cause of the pressure drop is detected and I fixed. On the contrary, the electric pump (31) only consumes power when system activation is required.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Domestic Plumbing Installations (AREA)

Abstract

L'invention concerne un système d'économie d'eau, conçu pour être installé sur une installation de distribution d'eau avec un chauffe-eau (4) et une série de points de consommation (7) d'eau froide et chaude, au niveau de chacun desquels arrive une conduite d'eau froide (15) qui provient de la ramification d'eau froide (8) et une conduite d'eau chaude (16) qui provient de la ramification d'eau chaude (10). Le système comprend une soupape anti-retour (2), un module d'activation (12), avec des moyens d'activation (21), un premier moyen de commande (22) et un premier émetteur-récepteur de signal sans fil (25); un module de recirculation (13) avec une électropompe (31) conçus pour faire recirculer l'eau, un deuxième moyen de commande (32) et un récepteur de signal sans fil (33); un module de connexion (14), qui comprend un troisième moyen de commande (41), une première électrovanne (42) en connexion fluidique avec une conduite d'eau froide (15) et une conduite d'eau chaude (16) qui arrivent à un même point de consommation (7) de manière qu'à son ouverture elle met en communication l'eau de la conduite d'eau froide (15) et l'eau de la conduite d'eau chaude (16) avec lesquels elle est en contact, et un second émetteur-récepteur de signal sans fil (45), et des moyens d'arrêt appropriés pour émettre un signal de fin d'activité. L'invention concerne également un procédé de fonctionnement du système.
PCT/ES2015/070217 2014-05-27 2015-03-25 Système d'économie d'eau et procédé de fonctionnement de celui-ci WO2015181411A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP201430788 2014-05-27
ES201430788A ES2555499B1 (es) 2014-05-27 2014-05-27 Sistema de ahorro de agua y método de funcionamiento del mismo

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WO2015181411A1 true WO2015181411A1 (fr) 2015-12-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2685218R1 (es) * 2017-03-31 2018-10-18 Métrica6 Ingeniería Y Desarrollos, S.L. Sistema de control domótico de una instalación de fontanería y método de funcionamiento para incrementar la eficiencia hídrica de la misma.
EP3653941A1 (fr) * 2018-11-15 2020-05-20 Pablo Capa Monzón Système de recirculation de fluide
IT201900006597A1 (it) * 2019-05-07 2020-11-07 Special Gas Impianto idraulico sanitario per l’erogazione immediata di acqua calda di consumo senza spreco di acqua fredda e di gas

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US5205318A (en) * 1992-07-21 1993-04-27 Sjoberg Industries, Inc. Recirculation hot water system
US20040182439A1 (en) * 2003-03-17 2004-09-23 S.P.C.E Ltd. Smart device and system for improved domestic use and saving of water
WO2007059051A2 (fr) * 2005-11-11 2007-05-24 Masco Corporation Of Indiana Systeme electronique de salle de bain integree
US20100096018A1 (en) * 2008-02-27 2010-04-22 Wylie Jacob E Instant hot water delivery system
US20100126604A1 (en) * 2008-11-18 2010-05-27 Lund William J System and Method for On Demand Hot Water Distribution
ES2353414A1 (es) * 2007-11-19 2011-03-02 Oscar Soldado Vida Dispositivo de recirculación de agua caliente sanitaria.
ES2378932A1 (es) * 2010-09-20 2012-04-19 Universidad De Castilla-La Mancha Sistema de suministro de agua, y grifo.
FR2982623A1 (fr) * 2011-11-14 2013-05-17 Electricite De France Systeme de distribution d'eau ameliore

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Publication number Priority date Publication date Assignee Title
US5205318A (en) * 1992-07-21 1993-04-27 Sjoberg Industries, Inc. Recirculation hot water system
US20040182439A1 (en) * 2003-03-17 2004-09-23 S.P.C.E Ltd. Smart device and system for improved domestic use and saving of water
WO2007059051A2 (fr) * 2005-11-11 2007-05-24 Masco Corporation Of Indiana Systeme electronique de salle de bain integree
ES2353414A1 (es) * 2007-11-19 2011-03-02 Oscar Soldado Vida Dispositivo de recirculación de agua caliente sanitaria.
US20100096018A1 (en) * 2008-02-27 2010-04-22 Wylie Jacob E Instant hot water delivery system
US20100126604A1 (en) * 2008-11-18 2010-05-27 Lund William J System and Method for On Demand Hot Water Distribution
ES2378932A1 (es) * 2010-09-20 2012-04-19 Universidad De Castilla-La Mancha Sistema de suministro de agua, y grifo.
FR2982623A1 (fr) * 2011-11-14 2013-05-17 Electricite De France Systeme de distribution d'eau ameliore

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2685218R1 (es) * 2017-03-31 2018-10-18 Métrica6 Ingeniería Y Desarrollos, S.L. Sistema de control domótico de una instalación de fontanería y método de funcionamiento para incrementar la eficiencia hídrica de la misma.
WO2018178483A3 (fr) * 2017-03-31 2018-11-15 Métrica6 Ingeniería Y Desarrollos, S.L. Système de commande domotique d'une installation de plomberie et procédé de fonctionnement pour augmenter l'efficacité hydrique de ladite installation
US11566402B2 (en) 2017-03-31 2023-01-31 Métrica6 Ingeniería Y Desarrollos, S.L. System for domotic control of a plumbing installation and method of operation to increase the water efficiency of the same
US11920327B2 (en) 2017-03-31 2024-03-05 Métrica6 Ingeniería Y Desarrollos, S.L. Method of operation to increase the water efficiency of system for domotic control of a plumbing installation
EP3653941A1 (fr) * 2018-11-15 2020-05-20 Pablo Capa Monzón Système de recirculation de fluide
IT201900006597A1 (it) * 2019-05-07 2020-11-07 Special Gas Impianto idraulico sanitario per l’erogazione immediata di acqua calda di consumo senza spreco di acqua fredda e di gas

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ES2555499A1 (es) 2016-01-04

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