WO2015181411A1 - System for saving water and method of operating the latter - Google Patents

System for saving water and method of operating the latter 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
Spanish (es)
French (fr)
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.)
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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/en

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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)
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Abstract

The invention relates to a system for saving water, suitable for installation on a water-supply installation with a water heater (4) and a series of cold and hot water-consumption points (7), arriving at each of which is a cold pipe (15) coming from the cold water branch (8) and a hot pipe (16) coming from the hot water branch (10). The system comprises a non-return valve (2), an actuation module (12) with actuation means (21), a first control means (22) and a first wireless signal transceiver (25); a recirculation module (13) with an electric pump (31) which are suitable for recirculating the water, a second control means (32), and a wireless signal receiver (33); a connection module (14) which comprises a third control means (41), a first electrovalve (42) disposed in fluidic connection with a cold pipe (15) and a hot pipe (16) which arrive at the same consumption point (7) such that, when the electrovalve opens, it places the water in the cold pipe (15) in communication with the hot pipe (16), the electrovalve being connected to both, and a second wireless signal transceiver (45), and stop means (43, 44, 26) suitable for emitting a signal to stop actuation. The invention also relates to a method of operating the system.

Description

DESCRIPCIÓN  DESCRIPTION
SISTEMA DE AHORRO DE AGUA Y MÉTODO DE FUNCIONAMIENTO DEL MISMO OBJETO DE LA INVENCIÓN  WATER SAVING SYSTEM AND METHOD OF OPERATION OF THE SAME OBJECT OF THE INVENTION
La presente invención se refiere a un sistema de ahorro de agua previsto para ser instalado en una instalación de suministro de agua sanitaria caliente y fría, aplicable a todo tipo de viviendas, mediante el que se evita la pérdida de agua fría que normalmente se produce por el desagüe mientras se espera la llegada de agua caliente a un punto de consumo determinado. 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.
ANTECEDENTES DE LA INVENCIÓN Ya se conocen algunas instalaciones para el fin expuesto, mediante las que se pretende lograr, con mayor o menor efectividad, un ahorro de agua. BACKGROUND OF THE INVENTION Some facilities are already known for the exposed purpose, by means of which it is intended to achieve, with greater or lesser effectiveness, a water saving.
El documento ES 2368540 A1 describe un sistema para el ahorro de agua en una vivienda, que comprende una válvula anti-retorno, una autobomba a la entrada del calentador y unos pulsadores conectados entre la salida del agua fría y la salida del agua caliente. 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.
El sistema descrito en el documento ES 2368540 A1 presenta algunas desventajas. Por un lado, la autobomba funciona automáticamente cuando detecta una presión en el conducto de salida menor que en el conducto de entrada, por lo que entrará en funcionamiento no sólo cuando sea necesario para el funcionamiento del sistema descrito en dicho documento, sino en otras ocasiones (cuando se abra el grifo, cuando haya alguna pequeña pérdida en la línea,... ). Por otro lado, no se pondría en funcionamiento si, a pesar de que el usuario lo demandara, existiera una subida de presión aguas arriba de la autobomba, debido a una sobrepresión en la instalación o cualquier causa similar. The system described in ES 2368540 A1 has some disadvantages. On the one hand, 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, ...). On the other hand, it would not be put into operation if, despite the user's demand, there was a pressure rise upstream of the pump, due to an overpressure in the installation or any similar cause.
DESCRIPCIÓN DE LA INVENCIÓN La presente invención propone una solución a los problemas anteriores mediante un sistema de ahorro de agua según la reivindicación 1 y un método de funcionamiento según la reivindicación 12. En las reivindicaciones dependientes se definen realizaciones preferidas de la invención. DESCRIPTION OF THE INVENTION 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.
En un primer aspecto inventivo, la invención define un sistema de ahorro de agua adaptado para ser instalado sobre una instalación de suministro de agua, comprendiendo la instalación de suministro de agua una conducción general, un punto de bifurcación en el que la conducción general se bifurca hacia un ramal de agua caliente y un ramal de agua fría, una válvula anti-retorno, situada aguas arriba del punto de bifurcación, un calentador de agua, con entrada y salida, situado en el ramal de agua caliente y al menos un punto de consumo de agua fría y caliente, a cada uno de los cuales llega una conducción fría que proviene del ramal de agua fría y una conducción caliente que proviene del ramal de agua caliente, caracterizado el sistema por que comprende: un módulo de activación, que comprende unos medios de activación, un primer medio de control y un primer emisor receptor de señal inalámbrica, In a first inventive aspect, 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,
un módulo de recirculación, destinado a ser instalado entre el punto de bifurcación y la entrada del calentador, que comprende una electrobomba adecuada para hacer recircular el agua en el sentido que va desde el punto de bifurcación hasta el calentador, un segundo medio de control y un receptor de señal inalámbrica,  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,
un módulo de conexión, que comprende un tercer medio de control, un segundo emisor receptor de señal inalámbrica una primera electroválvula situada en conexión fluida con una conducción fría y una conducción caliente que llegan a un mismo punto de consumo de modo que al abrirse la primera electroválvula pone en comunicación el agua de la conducción fría y la conducción caliente con las que está en contacto, y, unos medios de parada, adecuados para detectar una condición de cese de actividad.  a 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.
Los medios de activación son un dispositivo adecuado para ser actuado por un usuario, y adecuado para proporcionar al primer medio de control una señal de activación cuando se ha producido la actuación del usuario. A modo de ejemplo, no limitativo, se pueden citar: un pulsador, un mando a distancia, un botón táctil, un detector de voz, o el propio mando del grifo del agua caliente. 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. By way of example, not limitation, we can mention: a push button, a remote control, a touch button, a voice detector, or the hot water tap control itself.
El sistema comprende una electrobomba, cuya activación y parada está regida exclusivamente por el segundo medio de control, de modo que ninguna otra circunstancia externa puede hacer que se ponga en funcionamiento o que se detenga de manera incontrolada. 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.
Preferentemente, la condición de cese de actividad es detectada por los medios de parada. Estos medios de parada pueden comprender uno o varios de entre un temporizador, un sensor de temperatura o unos medios externos de parada. Preferably, 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.
La presencia de distintas alternativas de medios de parada proporciona al usuario distintas posibilidades de funcionamiento. Al mismo tiempo, hace al sistema menos expuesto a fallos por circunstancias externas, ya que, bien el usuario por medio de los medios externos, bien el propio sistema por medio del temporizador o del sensor de temperatura, desactivarían el sistema en caso de no producirse el funcionamiento deseado del mismo. En una realización particular, el módulo de recirculación comprende adicionalmente un puerto de expansión. The presence of different alternatives of stopping means provides the user with different possibilities of operation. At the same time, it makes the system less exposed to failures due to external circumstances, since, either the user through external means, or the system itself by means of the timer or the temperature sensor, would deactivate the system if it does not occur the desired operation of it. In a particular embodiment, the recirculation module further comprises an expansion port.
Ventajosamente, el puerto de expansión es una ranura electrónica capaz de comunicar un dispositivo adicional con el módulo de recirculación, como por ejemplo: un módulo de descalcificación, sistemas de limpieza de tuberías, etc. Advantageously, 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.
En una realización particular, el módulo de recirculación comprende adicionalmente al menos un elemento de entre un sensor de presión, indicadores ópticos y una pantalla led. In a particular embodiment, the recirculation module additionally comprises at least one element between a pressure sensor, optical indicators and an LED display.
En una realización particular, la primera electroválvula comprendida en el módulo de conexión es de naturaleza biestable. In a particular embodiment, the first solenoid valve included in the connection module is bistable in nature.
Ventajosamente, esto permite que esta primera electroválvula pueda ir alimentada mediante pilas o baterías, pudiendo instalarse directamente en la ducha o bañera cumpliendo los requisitos contenidos en el Reglamento Electrotécnico de Baja Tensión, ITC-BT-27. Esto ofrece una gran ventaja, ya que la ducha o bañera son los puntos de consumo en los que más agua se desperdicia mientras se espera a que salga el agua caliente. En una realización particular, el módulo de activación comprende adicionalmente medios de aviso ópticos y/o acústicos adecuados para mostrar avisos distintos en función de los diferentes estados de funcionamiento del sistema de ahorro. En una realización particular, los medios de activación son un presostato comprendido en un mando de grifo de agua caliente, y el sistema comprende adicionalmente una segunda electroválvula y una válvula anti-retorno adaptada para estar situada entre una llave de paso comprendida en la conducción de agua caliente y el punto donde el módulo de conexión se conecta con la conducción caliente de modo que la segunda electroválvula, al cerrarse, impide que salga el agua por la conducción caliente al exterior. Advantageously, this allows this first solenoid valve to be powered by batteries or batteries, being able to be installed directly in the shower or bathtub complying with the requirements contained in the Low Voltage Electrotechnical Regulation, ITC-BT-27. This offers a great advantage, since the shower or bathtub are the points of consumption in which more water is wasted while waiting for hot water to escape. In a particular embodiment, 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. In a particular embodiment, the activation means is a pressure switch comprised in a hot water tap control, and 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.
En una realización particular, los medios de activación son un presostato comprendido en un mando de grifo de agua caliente, la primera electroválvula es una electroválvula de tres vías, y el sistema de ahorro de agua comprende adicionalmente una válvula anti-retorno adaptada para estar situada entre una llave de paso comprendida en la conducción de agua caliente y el punto donde el módulo de conexión se conecta con la conducción caliente de modo que la electroválvula de tres vías, al cerrarse, impide que salga el agua por la conducción caliente al exterior. In a particular embodiment, the activation means is a pressure switch comprised in a hot water tap control, the first solenoid valve is a three-way solenoid valve, and 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.
En un segundo aspecto inventivo, la invención proporciona una instalación de suministro de agua que comprende un sistema de ahorro de agua según el primer aspecto inventivo. Un tercer aspecto inventivo según la invención proporciona un método de funcionamiento del sistema de ahorro según el primer aspecto inventivo, caracterizado el método por que comprende las etapas de: un usuario activa los medios de activación del módulo de activación, In a second inventive aspect, 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,
el primer emisor receptor de señal inalámbrica del módulo de activación envía una señal de activación al receptor de señal inalámbrica del módulo de recirculación y al segundo emisor receptor de señal inalámbrica del módulo de conexión,  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,
el módulo de recirculación, una vez recibida la señal de activación, pone en funcionamiento la electrobomba,  the recirculation module, once the activation signal is received, starts the electric pump,
el módulo de conexión, una vez recibida la señal de activación, cambia el estado de la primera electroválvula de cerrado a abierto, produciéndose la circulación de agua desde las conducciones calientes a las conducciones frías y a través del calentador, hasta que los medios de parada detecten una condición de cese de actividad, the 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,
después de que los medios de parada detecten una condición de cese de actividad, el módulo de conexión cambia el estado de la primera electroválvula de abierto a cerrado y el segundo emisor receptor de señal inalámbrica del módulo de conexión envía una señal de parada al receptor de señal inalámbrica del módulo de recirculación,  After the stop means detects a cessation of activity condition, the 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,
el módulo de recirculación, una vez recibida la señal de parada, para la electrobomba.  the recirculation module, once the stop signal is received, for the electric pump.
Ventajosamente, esto permite que el método de funcionamiento provoque la recirculación de agua hasta que se verifique la condición de cese de actividad, momento en el que el sistema abre la primera electroválvula para que el agua caliente salga al exterior. De este modo, no se desperdicia agua mientras ésta alcanza su temperatura de funcionamiento. Advantageously, 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.
En una realización particular, el sistema de ahorro es de los que comprende adicionalmente un sensor de temperatura y la condición de cese de actividad es detectada por el sensor de temperatura, al alcanzar una temperatura predeterminada o ajustada por el usuario. In a particular embodiment, 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.
En una realización particular, el sistema de ahorro es de los que comprenden adicionalmente un temporizador, y la condición de cese de actividad es detectada por el temporizador, al alcanzar su tiempo predeterminado o ajustado por el usuario. In a particular embodiment, 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.
En una realización particular, el sistema de ahorro es de los que comprenden medios externos de parada, y la condición de cese de actividad es detectada por los medios externos de parada, al ser accionados por el usuario. In a particular embodiment, 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.
En una realización particular, el sistema de ahorro es de los que comprenden adicionalmente un temporizador, y una vez que el usuario activa los medios de activación, el módulo de activación provoca la activación de los indicadores ópticos y/o acústicos del propio módulo de activación, y una vez que los medios de parada detectan la condición de cese de actividad, el segundo emisor receptor de señal inalámbrica del módulo de conexión envía una señal de cese de actividad al primer emisor-receptor de señal inalámbrica del módulo de activación, tras lo cual el módulo de activación provoca un cambio en los indicadores ópticos y/o acústicos. En una realización particular, los medios de activación son un presostato comprendido en un mando de grifo de agua caliente, y el sistema de ahorro comprende adicionalmente una segunda electroválvula y una válvula anti-retorno adaptada para estar situada entre una llave de paso comprendida en la conducción de agua caliente y el punto donde el módulo de conexión se conecta con la conducción caliente, y una vez que el usuario activa los medios de activación, el primer medio de control activa la segunda electroválvula, y dicha segunda electroválvula se cierra, impidiendo que salga agua por el conducto de agua caliente al exterior. In a particular embodiment, 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. In a particular embodiment, the activation means is a pressure switch comprised in a hot water tap control, and 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.
En una realización particular, los medios de activación son un presostato comprendido en un mando de grifo de agua caliente, la primera electroválvula es una electroválvula de tres vías, el sistema de ahorro de agua comprende adicionalmente una válvula antiretorno adaptada para estar situada entre una llave de paso comprendida en la conducción de agua caliente y el punto donde el módulo de conexión se conecta con la conducción caliente, y una vez que el usuario activa los medios de activación, el primer medio de control activa la electroválvula de tres vías, de modo que dicha electroválvula de tres vías impide que salga agua por el conducto de agua caliente al exterior. In a particular embodiment, 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.
Todas las características y/o las etapas de métodos descritas en esta memoria (incluyendo las reivindicaciones, descripción y dibujos) pueden combinarse en cualquier combinación, exceptuando las combinaciones de tales características mutuamente excluyentes. All features and / or the method steps described herein (including the claims, description and drawings) may be combined in any combination, except for combinations of such mutually exclusive features.
DESCRIPCIÓN DE LOS DIBUJOS DESCRIPTION OF THE DRAWINGS
Estas y otras características y ventajas de la invención, se pondrán más claramente de manifiesto a partir de la descripción detallada que sigue de una forma preferida de realización, dada únicamente a título de ejemplo ilustrativo y no limitativo, con referencia a las figuras que se acompañan. Figura 1 En esta figura se muestra un esquema general de una instalación de suministro de agua sanitaria caliente y fría provista de un sistema de ahorro según la invención. These and other features and advantages of the invention will become more clearly apparent from the detailed description that follows in a preferred embodiment, given only by way of illustrative and non-limiting example, with reference to the accompanying figures. . Figure 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.
Figura 2 En esta figura se muestra un esquema del módulo de activación según una realización de la invención.  Figure 2 This figure shows a diagram of the activation module according to an embodiment of the invention.
Figura 3 En esta figura se muestra un esquema del módulo de recirculación según una realización de la invención.  Figure 3 This figure shows a diagram of the recirculation module according to an embodiment of the invention.
Figura 4 En esta figura se muestra un esquema del módulo de conexión, en funcionamiento de recirculación según una realización de la invención.  Figure 4 This figure shows a diagram of the connection module, in recirculation operation according to an embodiment of the invention.
EXPOSICIÓN DETALLADA DE LA INVENCIÓN En la figura 1 se muestra una instalación de suministro de agua sanitaria caliente y fría, a partir de una conducción general de suministro (1 1) en la que va montada una llave de paso general (3). Esta conducción general de suministro (1 1), llegado un punto de bifurcación (9), se bifurca hacia el ramal de agua caliente (10) y el ramal de agua fría (8). También presenta una válvula anti-retorno (2) situada aguas arriba del punto de bifurcación (9). El ramal de agua caliente (10) presenta un calentador de agua (4) que dispone de una entrada (5) y una salida (6). Además la instalación incluye una serie de puntos de consumo (7) de agua fría y caliente, a cada uno de los cuales llega una conducción fría (15) que proviene del ramal de agua fría (8) y una conducción caliente (16) que proviene del ramal de agua caliente (10). La invención también es adecuada para instalaciones en las que las conducciones frías (15) y las conducciones calientes (16) van dotadas a su vez de llaves de paso (3). DETAILED EXHIBITION OF THE INVENTION Figure 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). In addition, 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).
El sistema de ahorro (1) según una realización de la invención comprende una serie de elementos adaptados para ser instalados sobre esta instalación de suministro: al menos un módulo de activación del sistema (12), un módulo de recirculación (13) y al menos un módulo de conexión (14). The saving system (1) according to an embodiment of the invention 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).
El módulo de recirculación (13) va instalado entre el punto de bifurcación (9) y la entrada (5) del calentador (4). Por su parte, el módulo de activación (12) y el módulo de conexión (14) pueden ir instalados en un lugar distinto al del módulo de recirculación (13). En un ejemplo particular, el sistema de ahorro de agua según la invención comprende un solo módulo de activación (12) y un solo módulo de conexión (14), y ambos están instalados en las proximidades del punto de consumo (7) de agua más alejado del calentador (4). En otras realizaciones, el sistema de ahorro (1) incluye un módulo de activación (12) y un módulo de conexión (14) en cada punto de consumo (7). The recirculation module (13) is installed between the branch point (9) and the inlet (5) of the heater (4). On the other hand, the activation module (12) and the connection module (14) can be installed in a different place from the recirculation module (13). In a particular example, 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). In other embodiments, the saving system (1) includes an activation module (12) and a connection module (14) at each consumption point (7).
La figura 2 muestra un ejemplo de módulo de activación (12) de acuerdo con la invención. Este módulo de activación (12) comprende unos medios de activación (21), que en este ejemplo particular es un pulsador capacitivo accionable de manera manual, un primer medio de control (22), medios de aviso ópticos (23) y acústicos (24) adecuados para mostrar avisos distintos en función de los diferentes estados de funcionamiento, y un primer emisor receptor de señal inalámbrica (25). En una realización particular, también comprende unos medios externos de parada (26). En una realización particular, el módulo de activación (12) va alimentado por baterías. Figure 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.
En una realización particular, los medios de activación (21) comprenden un presostato situado en un mando de grifo de agua caliente, y el sistema de ahorro comprende adicionalmente una segunda electroválvula y una válvula anti-retorno adaptada para estar situada entre una llave de paso comprendida en la conducción de agua caliente y el punto donde el módulo de conexión se conecta con la conducción caliente. En esta realización, una vez que el usuario abre el grifo del agua caliente, activa el presostato, que pone en marcha el sistema. En este caso, además de activar los elementos ya mencionados, el primer medio de control activa también la segunda electroválvula, y dicha segunda electroválvula se cierra, impidiendo que salga agua por el conducto de agua caliente al exterior. In a particular embodiment, the activation means (21) comprise a pressure switch located in a hot water tap control, and 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. In this embodiment, once the user opens the hot water tap, he activates the pressure switch, which starts the system. In this case, in addition to activating the aforementioned elements, 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.
En otra realización particular, los medios de activación (21) comprenden un presostato situado en un mando de grifo de agua caliente, la primera electroválvula es una electroválvula de tres vías, el sistema de ahorro de agua comprende adicionalmente una válvula anti-retorno adaptada para estar situada entre una llave de paso comprendida en la conducción de agua caliente y el punto donde el módulo de conexión se conecta con la conducción caliente. Una vez que el usuario abre el grifo del agua caliente, activa el presostato, que pone en marcha el sistema. En este caso, además de activar los elementos ya mencionados, el primer medio de control activa también la electroválvula de tres vías, de modo que dicha electroválvula de tres vías impide que salga agua por el conducto de agua caliente al exterior. La Figura 3 muestra un ejemplo particular del módulo de recirculación (13), que comprende una electrobomba (31) recirculadora, accionable por control remoto, un segundo medio de control (32), un receptor de señal inalámbrica (33), un sensor de presión (34), indicadores ópticos (35), una pantalla led (36) y un puerto de expansión (37). Este módulo de recirculación (13) está alimentado por la red eléctrica y dispone de una entrada (38) de agua proveniente del ramal de agua caliente (10) y una salida (39), tras el paso por la electrobomba (31), hacia el mismo ramal de agua caliente (10) aguas abajo, que discurre hacia el calentador (no mostrado). In another particular embodiment, 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. Once the user opens the hot water tap, he activates the pressure switch, which starts the system. In this case, In addition to activating the aforementioned elements, the first control means also activates the three-way solenoid valve, so that said three-way solenoid valve prevents water from flowing out of the hot water line to the outside. Figure 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).
Los indicadores ópticos (35) son adecuados para mostrar el progreso en el funcionamiento del sistema de ahorro (1). The optical indicators (35) are suitable to show the progress in the operation of the saving system (1).
El puerto de expansión (37) es una ranura electrónica capaz de comunicar un dispositivo adicional con el módulo de recirculación (13). El segundo medio de control (32) del módulo de recirculación (13) es capaz de identificar si un dispositivo ha sido instalado en el puerto de expansión (37) y de mostrar sus opciones de configuración y uso en la pantalla led (36). Dicha pantalla led (36) es un dispositivo de entrada/salida, y es capaz de permitir la selección de un programa específico cuando se hayan conectado otros sistemas en el puerto de expansión (37) del módulo de recirculación (13). 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).
A modo de ejemplos particulares de los dispositivos adicionales que pueden ser conectados al puerto de expansión (37) son un módulo de descalcificación, sistemas de limpieza de tuberías, etc. La Figura 4 muestra un ejemplo particular de módulo de conexión (14), situado cerca de un punto de consumo (7), al que llega una conducción fría (15) y una conducción caliente (16). Este módulo de conexión (14) comprende un tercer medio de control (41), una primera electroválvula (42), en conexión fluida con la conducción fría (15) y con la conducción caliente (16), un sensor de temperatura (43), un temporizador (44) y un segundo emisor receptor de señal inalámbrica (45). En una realización particular, la primera electroválvula (42) es de naturaleza biestable de muy bajo consumo eléctrico. En este caso, el dispositivo puede ir alimentado mediante pilas o baterías, asegurando de esta manera que se pueda instalar directamente en la ducha o bañera cumpliendo los requisitos contenidos en el Reglamento Electrotécnico de Baja Tensión, ITC-BT-27, referidos a las condiciones que deben cumplir los circuitos electrónicos contenidos en instalaciones de duchas o bañeras de uso doméstico. Se presenta así una clara ventaja en el ahorro de agua, ya que la ducha o bañera son, con mucha diferencia, los puntos de consumo en los que más agua se desperdicia mientras se espera a que salga el agua caliente. By way of particular examples of the additional devices that can be connected to the expansion port (37) are a descaling module, pipe cleaning systems, etc. Figure 4 shows a particular example of 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). In a particular embodiment, the first solenoid valve (42) is bistable in nature with very low power consumption. In this case, 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. There is thus a clear advantage in saving water, since the shower or bathtub are, by far, the points of consumption in which more water is wasted while waiting for hot water to escape.
Cuando son accionados los medios de activación (21), el primer emisor receptor de señal inalámbrica (25) envía una señal inalámbrica al módulo de conexión (14) para que cambie el estado normal de la primera electroválvula (42) de cerrado a abierto, poniendo en marcha el temporizador (44) según un tiempo predeterminado o ajustable por el usuario. También envía una señal inalámbrica al módulo de recirculación (13), para que ponga en marcha la electrobomba (31). Por último, provoca la activación de los indicadores ópticos (23) y acústicos (24) del propio módulo de activación (12), produciéndose la recirculación de agua, desde las conducciones calientes (16) a las conducciones frías (15) y a través del calentador (4). When the activation means (21) are activated, 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).
La recirculación seguirá en funcionamiento hasta que se detenga, lo cual puede deberse a cualquiera de las siguientes tres causas: Recirculation will remain in operation until it stops, which may be due to any of the following three causes:
a) El sensor de temperatura (43) señala que el agua ha alcanzado su valor de consigna, o bien a) The temperature sensor (43) indicates that the water has reached its setpoint, or
b) El temporizador (44) señala que el tiempo máximo de espera para la consecución del servicio ya ha transcurrido, o bien b) The timer (44) indicates that the maximum waiting time for the service has already elapsed, or
c) El usuario acciona los medios externos de parada (26). En cualquiera de los casos antes señalados, la señal de cese de actividad llega al módulo de conexión (14), tras lo cual el tercer medio de control (41) del módulo de conexión (14) envía inalámbricamente una triple señal: al módulo de recirculación (13) para que pare el funcionamiento de la electrobomba (31), al módulo de conexión (14) para que cierre de nuevo la primera electroválvula (42) y al módulo de activación (12) para que indique, mediante los indicadores ópticos (23) y acústicos (24), el estado del proceso. En una realización particular, las señales emitidas por los indicadores ópticos (23) y acústicos (24) dependerán de si la terminación del ciclo ha sido debida a la causa a) o a la causa b). Cuando la recirculación se haya detenido, el usuario puede abrir el grifo y usar el agua, sabiendo que ésta estará caliente a la temperatura de consigna en el caso a), a una temperatura inferior a ésta en el caso b) o a cualquiera de las anteriores en el caso c). c) The user activates the external stop means (26). In any of the aforementioned cases, 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. In a particular embodiment, 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). When the recirculation has stopped, 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).
Estas tres opciones a), b) y c) son compatibles, aunque en realizaciones particulares del sistema de ahorro (1), éste sólo comprende uno de los medios de parada: These three options a), b) and c) are compatible, although in particular embodiments of the saving system (1), it only comprises one of the stopping means:
En una realización particular, el sistema comprende un sensor de temperatura (43), pero no comprende temporizador (44) ni medios externos de parada (26), por lo que en esta realización, la señal de cese de actividad siempre será generada por el sensor de temperatura (43), que emitirá la señal de cese de actividad cuando detecte que la temperatura del agua alcance el valor de consigna. In a particular embodiment, 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.
En otra realización particular, el sistema comprende un temporizador (44), pero no comprende un sensor de temperatura (43) ni unos medios externos de parada (26), por lo que en esta realización, la señal de cese de actividad siempre será generada por el temporizador (44), que emitirá la señal de cese de actividad cuando el tiempo máximo de espera haya transcurrido. In another particular embodiment, 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.
En otra realización particular, el sistema comprende unos medios externos de parada (26), pero no comprende sensor de temperatura (43) ni temporizador (44), por lo que en esta realización, la señal de cese de actividad siempre será generada por los medios externos de parada (26). In another particular embodiment, 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).
Ventajosamente, un sistema de ahorro de agua según la invención que cuente con un solo módulo de recirculación (13) es suficiente para llevar el servicio a todos los puntos de la vivienda. En este sistema sólo es imprescindible la instalación de un único módulo de activación (12) y un único módulo de conexión (14), aunque en realizaciones particulares se permite la instalación de tantos módulos de activación (12) y de conexión (14) como el usuario requiera, a partir de un solo módulo de recirculación (13). Como puede observarse de la descripción, los módulos de activación (12), recirculación (13) y conexión (14) están conectados de manera inalámbrica, preferentemente mediante señales de radio, de la siguiente manera: · El módulo de activación (12) comprende un primer emisor receptor de señal inalámbrica (25) adaptado para recibir una señal inalámbrica de cese de actividad emitida desde el módulo de conexión (14) y para emitir una señal inalámbrica de activación al módulo de recirculación (13) y al módulo de conexión (14). Advantageously, 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. In 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). As can be seen from the description, 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).
· El módulo de conexión (14) comprende un segundo emisor receptor de señal inalámbrica (45) adaptado para emitir una señal inalámbrica de cese de actividad al módulo de activación (12) y al módulo de recirculación (13) y para recibir una señal inalámbrica de activación desde el módulo de activación (12). · 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).
• El módulo de recirculación (13) comprende un receptor de señal inalámbrica (33) adaptado para recibir las señales inalámbricas de activación desde el módulo de activación (12) y la señal inalámbrica de cese de actividad desde el módulo de conexión (14). • 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).
Esta circunstancia permite poder mantener un control completamente electrónico, facilitando su integración en redes domóticas. This circumstance allows to maintain a completely electronic control, facilitating its integration into home automation networks.
El sistema ofrece la ventaja de reaccionar de manera ventajosa en el caso de producirse alguno de los siguientes fallos: · Si existe un fallo en el suministro eléctrico de la red, la electrobomba (31) no se activará, permitiendo el paso de agua a través de la misma, sin afectar a la demanda de servicio. La primera electroválvula (42) alimentada por batería cambiará su estado a cerrada en caso de que estuviera abierta, o permanecerá cerrada en todo caso. El módulo de activación (12), en caso de que esté alimentado a batería y comprenda indicadores ópticos (23), se iluminará de manera parpadeante, a modo de alarma de avería. 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.
• Si el calentador falla y no calienta, el ciclo concluirá según lo estimado en el caso b), siendo el temporizador el que detendrá el sistema, indicándose un fallo en el calentador mediante el correspondiente medio de señalización. En una realización particular, todos los módulos de activación (12), de recirculación (13) y de conexión (14) son configurables por el usuario de la vivienda, mediante un programa específico para el reconocimiento de todos los módulos que el usuario va a instalar en su vivienda. En una realización particular, el programa incluye una funcionalidad para que el módulo de recirculación (13) reconozca a todos los conjuntos del módulo de conexión (14) que tenga cercanos cuando se active, permitiéndole comunicarse solamente con ellos y no con otras instalaciones aledañas. Esta función puede implementarse en cualquier instante. Una de las principales ventajas de la instalación de la invención es la posibilidad de instalar el sistema en cualquier vivienda que cuente con un calentador de agua doméstico. • If the heater fails and does not heat, the cycle will end as estimated in case b), the timer being the one that will stop the system, indicating a failure in the heater by means of the corresponding signaling means. In a particular embodiment, 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. In a particular embodiment, 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.
Otra ventaja se deriva de la constitución de la instalación mediante tres módulos, lo cual permite instalar el módulo más voluminoso, el de recirculación (13), en un lugar no problemático cerca del calentador (4), con toma de corriente, alejado de la humedad que puede afectar a los dispositivos electrónicos. En cuanto al módulo de activación (12) y de conexión (14) pueden instalarse discretamente en el punto de consumo deseado, siempre que este cuente con acceso de tuberías de agua caliente y fría, siendo recomendable el punto más alejado del calentador. En todo caso, si con posterioridad a la instalación del sistema de ahorro (1) según la invención se deseara instalar módulos adicionales de conexión (14), éstos podrían instalarse sin necesidad de adaptar de manera especial el resto de elementos del sistema ya instalados. Existen varias ventajas en la instalación de una electrobomba (31) activable por control remoto frente a la autobomba que incluyen otros sistemas: 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. As for the activation module (12) and connection module (14), they 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. In any case, if after installation of the saving system (1) according to the invention it is desired to install additional connection modules (14), these could be installed without having to adapt in a special way the rest of the system elements already installed. There are several advantages in the installation of an electric pump (31) that can be activated by remote control in front of the pump that includes other systems:
• La autobomba permanece funcionando y consumiendo potencia eléctrica de manera innecesaria siempre que cualquier grifo de agua caliente esté abierto, incluso aunque en dicho grifo no se encuentre instalado el módulo de activación (12). Por el contrario, la electrobomba (31) sólo consume potencia cuando se requiere la activación del sistema. • 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.
• La autobomba también permanecería funcionando ante cualquier caída de presión del ramal de agua caliente (10), como por ejemplo una pequeña fuga en el circuito, hasta que la causa de dicha caída de presión se detecte y se repare. Por el contrario, la electrobomba (31) sólo consume potencia cuando se requiere la activación del sistema. • 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.
Con la autobomba, en caso de que haya una sobrepresion en la entrada de agua del edificio, al accionar el módulo de activación podría no producirse el descenso de presión en el ramal de agua caliente, por no existir diferencia de presión con el ramal de agua fría, de manera que el sistema sería completamente incapaz de funcionar. Por el contrario, como la activación de la electrobomba (31) no se basa en la diferencia de presiones, sino en un comando externo, su funcionamiento no se vería afectado por este tipo de circunstancias.  With the pump, in case there is an overpressure in the water inlet of the building, when activating the activation module the pressure drop in the hot water branch may not occur, as there is no pressure difference with the water branch cold, so that the system would be completely unable to function. On the contrary, since the activation of the electric pump (31) is not based on the pressure difference, but on an external command, its operation would not be affected by this type of circumstances.

Claims

REIVINDICACIONES
1.- Sistema de ahorro de agua (1) destinado a ser instalado sobre una instalación de suministro de agua, comprendiendo la instalación de suministro de agua una conducción general (1 1), un punto de bifurcación (9) en el que la conducción general (1 1) se bifurca hacia un ramal de agua caliente (10) y un ramal de agua fría (8), una válvula anti-retorno (2), situada aguas arriba del punto de bifurcación (9), un calentador de agua (4), con entrada (5) y salida (6), situado en el ramal de agua caliente (10) y al menos un punto de consumo (7) de agua fría y caliente, a cada uno de los cuales llega una conducción fría (15) que proviene del ramal de agua fría (8) y una conducción caliente (16) que proviene del ramal de agua caliente (10), caracterizado el sistema por que comprende: un módulo de activación (12), que comprende unos medios de activación (21), un primer medio de control (22) y un primer emisor receptor de señal inalámbrica (25), un módulo de recirculación (13) destinado a ser instalado entre el punto de bifurcación (9) y la entrada (5) del calentador (4), que comprende una electrobomba (31) adecuada para hacer recircular el agua en el sentido que va desde el punto de bifurcación (9) hasta el calentador (4), un segundo medio de control (32) y un receptor de señal inalámbrica (33), 1.- Water saving system (1) intended to be installed on a water supply installation, the water supply installation comprising a general conduit (1 1), a bifurcation point (9) in which the conduction general (1 1) forks towards a branch of hot water (10) and a branch of cold water (8), a non-return valve (2), located upstream from the point of fork (9), a water heater (4), with inlet (5) and outlet (6), located in the hot water branch (10) and at least one point of consumption (7) of hot and cold water, to each of which a conduction arrives cold (15) that comes from the cold water branch (8) and a hot pipe (16) that comes from the hot water branch (10), characterized by the system comprising: an activation module (12), which comprises activation means (21), a first control means (22) and a first wireless signal receiving transmitter (25), a recirculation module (13) intended to be installed between the fork point (9) and the inlet (5) of the heater (4), which comprises an electric pump (31) suitable for recirculating the water in the direction from the fork point (9) to the heater (4), a second control means (32) and a wireless signal receiver (33),
un módulo de conexión (14), que comprende un tercer medio de control (41), un segundo emisor receptor de señal inalámbrica (45), una primera electroválvula (42) situada en conexión fluida con una conducción fría (15) y una conducción caliente (16) que llegan a un mismo punto de consumo (7) de modo que al abrirse la primera electroválvula (42) pone en comunicación el agua de la conducción fría (15) y la conducción caliente (16) con las que está en contacto, y,  a connection module (14), comprising a third control means (41), a second wireless signal receiving transmitter (45), a first solenoid valve (42) located in fluid connection with a cold line (15) and a line hot (16) that reach the same point of consumption (7) so that when the first solenoid valve (42) opens it communicates the water of the cold line (15) and the hot line (16) with which it is in contact, and,
unos medios de parada (43, 44, 26), adecuados para detectar una condición de cese de actividad.  stop means (43, 44, 26), suitable for detecting a condition of cessation of activity.
2.- Sistema de ahorro de agua (1) según la reivindicación 1 , caracterizado por que los medios de parada (43, 44, 26) comprenden un sensor de temperatura (43) situado en el módulo de conexión (14). 2. Water saving system (1) according to claim 1, characterized in that the stop means (43, 44, 26) comprise a temperature sensor (43) located in the connection module (14).
3.- Sistema de ahorro de agua (1) según cualquiera de las reivindicaciones anteriores, caracterizado por que los medios de parada (43, 44, 26) comprenden un temporizador (44) situado en el módulo de conexión (14). 3. Water saving system (1) according to any of the preceding claims, characterized in that the stop means (43, 44, 26) comprise a timer (44) located in the connection module (14).
4. - Sistema de ahorro de agua (1) según cualquiera de las reivindicaciones anteriores, caracterizado por que los medios de parada (43, 44, 26) comprenden unos medios externos de parada (26) situados en el módulo de activación (12). 4. - Water saving system (1) according to any of the preceding claims, characterized in that the stop means (43, 44, 26) comprise external stop means (26) located in the activation module (12) .
5. - Sistema de ahorro de agua (1) según cualquiera de las reivindicaciones anteriores, caracterizado por que el módulo de recirculación (13) comprende adicionalmente un puerto de expansión (37). 5. - Water saving system (1) according to any of the preceding claims, characterized in that the recirculation module (13) additionally comprises an expansion port (37).
6.- Sistema de ahorro de agua (1) según cualquiera de las reivindicaciones anteriores, caracterizado por que el módulo de recirculación (13) comprende adicionalmente al menos un elemento de entre un sensor de presión (34), indicadores ópticos (35) y una pantalla led (36). 6. Water saving system (1) according to any of the preceding claims, characterized in that the recirculation module (13) additionally comprises at least one element between a pressure sensor (34), optical indicators (35) and a led display (36).
7.- Sistema de ahorro de agua (1) según cualquiera de las reivindicaciones anteriores, caracterizado por que la primera electroválvula (42) comprendida en el módulo de conexión (14) es de naturaleza biestable. 7. Water saving system (1) according to any of the preceding claims, characterized in that the first solenoid valve (42) included in the connection module (14) is bistable in nature.
8. - Sistema de ahorro de agua (1) según cualquiera de las reivindicaciones anteriores, caracterizado por que el módulo de activación (12) comprende adicionalmente medios de aviso ópticos (23) y/o acústicos (24) adecuados para mostrar avisos distintos en función de los diferentes estados de funcionamiento del sistema de ahorro (1). 8. - Water saving system (1) according to any of the preceding claims, characterized in that the activation module (12) additionally comprises optical (23) and / or acoustic warning means (24) suitable for displaying different messages in function of the different operating states of the savings system (1).
9. - Sistema de ahorro de agua (1) según cualquiera de las reivindicaciones anteriores, caracterizado por que los medios de activación son un presostato comprendido en un mando de grifo de agua caliente, y por que el sistema comprende adicionalmente una segunda electroválvula y una válvula anti-retorno adaptada para estar situada entre una llave de paso comprendida en la conducción de agua caliente y el punto donde el módulo de conexión se conecta con la conducción caliente (16), de modo que la segunda electroválvula, al cerrarse, impide que salga el agua por la conducción caliente (16) al exterior. 9. - Water saving system (1) according to any of the preceding claims, characterized in that the activation means is a pressure switch comprised in a hot water tap control, and in that the 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 (16), so that the second solenoid valve, when closed, prevents the water comes out by hot conduction (16) outside.
10. - Sistema de ahorro de agua (1) según cualquiera de las reivindicaciones 1 a 8, caracterizado por que los medios de activación son un presostato comprendido en un mando de grifo de agua caliente, por que la primera electroválvula (42) es una electroválvula de tres vías, y por que el sistema de ahorro de agua (1) comprende adicionalmente una válvula anti-retorno adaptada para estar situada entre una llave de paso comprendida en la conducción de agua caliente y el punto donde el módulo de conexión se conecta con la conducción caliente (16), de modo que la electroválvula de tres vías, al cerrarse, impide que salga el agua por la conducción caliente (16) al exterior. 10. - Water saving system (1) according to any one of claims 1 to 8, characterized in that the activation means is a pressure switch comprised in a hot water tap control, because the first solenoid valve (42) is a three-way solenoid valve, and because the water saving system (1) additionally 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 is connected with hot conduction (16), so that the three-way solenoid valve, when closed, prevents water from leaving the hot conduit (16) outside.
1 1. - Instalación de suministro de agua que comprende un sistema de ahorro de agua (1) según cualquiera de las reivindicaciones anteriores. 1 1. - Water supply installation comprising a water saving system (1) according to any of the preceding claims.
12. - Método de funcionamiento de un sistema de ahorro (1) según cualquiera de las reivindicaciones 1 a 10, caracterizado el método por que comprende las etapas de: un usuario activa los medios de activación (21) del módulo de activación (12), el primer emisor receptor de señal inalámbrica (25) del módulo de activación (12) envía una señal de activación al receptor de señal inalámbrica (33) del módulo de recirculación (13) y al segundo emisor receptor de señal inalámbrica (45) del módulo de conexión (14), 12. - Method of operation of a saving system (1) according to any one of claims 1 to 10, characterized in that it comprises the steps of: a user activates the activation means (21) of the activation module (12) , the first wireless signal receiving transmitter (25) of the activation module (12) sends an activation signal to the wireless signal receiver (33) of the recirculation module (13) and to the second wireless signal receiving transmitter (45) of the connection module (14),
el módulo de recirculación (13), una vez recibida la señal de activación, pone en funcionamiento la electrobomba (31),  the recirculation module (13), once the activation signal is received, starts the electric pump (31),
el módulo de conexión (14), una vez recibida la señal de activación, cambia el estado de la primera electroválvula (42) de cerrado a abierto, produciéndose la circulación de agua desde las conducciones calientes (16) a las conducciones frías (15) y a través del calentador (4), hasta que el módulo de conexión (14) recibe una señal de cese de actividad,  The connection module (14), once the activation signal is received, changes the state of the first solenoid valve (42) from closed to open, producing the circulation of water from the hot pipes (16) to the cold pipes (15) and through the heater (4), until the connection module (14) receives an activity stop signal,
después de que los medios de parada (43, 44, 26) detecten una condición de cese de actividad, el módulo de conexión (14) cambia el estado de la primera electroválvula (42) de abierto a cerrado y el segundo emisor receptor de señal inalámbrica (45) del módulo de conexión (14) envía una señal de parada al receptor de señal inalámbrica (33) del módulo de recirculación (13),  after the stop means (43, 44, 26) detect an activity cessation condition, the connection module (14) changes the state of the first solenoid valve (42) from open to closed and the second signal receiving transmitter wireless (45) of the connection module (14) sends a stop signal to the wireless signal receiver (33) of the recirculation module (13),
el módulo de recirculación (13), una vez recibida la señal de parada, para la electrobomba (31).  the recirculation module (13), once the stop signal is received, for the electric pump (31).
13. - Método de funcionamiento según la reivindicación anterior, caracterizado por que el sistema de ahorro (1) es según la reivindicación 2 y la condición de cese de actividad comprende que el sensor de temperatura (43) detecta que se ha alcanzado una temperatura predeterminada o ajustada por el usuario. 13. - Method of operation according to the preceding claim, characterized in that the saving system (1) is according to claim 2 and the condition of cessation of activity comprises that the temperature sensor (43) detects that a predetermined temperature or set by the user has been reached.
14.- Método de funcionamiento según la reivindicación 12, caracterizado por que el sistema de ahorro (1) es según la reivindicación 3, y por que la condición de cese de actividad comprende que el temporizador (44) detecta que se ha alcanzado un tiempo predeterminado o ajustado por el usuario desde que los medios de activación (21) son activados. 14. Method of operation according to claim 12, characterized in that the saving system (1) is according to claim 3, and that the condition of cessation of activity comprises that the timer (44) detects that a time has been reached predetermined or adjusted by the user since the activation means (21) are activated.
15.- Método de funcionamiento según la reivindicación 12, caracterizado por que el sistema de ahorro (1) es según la reivindicación 4, y por que la condición de cese de actividad comprende el accionamiento de los medios externos de parada (26) por parte del usuario. 15.- Method of operation according to claim 12, characterized in that the saving system (1) is according to claim 4, and that the condition of cessation of activity comprises the actuation of the external stopping means (26) by part of the user.
16.- Método de funcionamiento según cualquiera de las reivindicaciones 12 a 15, caracterizado por que el sistema de ahorro (1) es según la reivindicación 3, y por que una vez que el usuario activa los medios de activación (21), el módulo de activación (12) provoca la activación de los indicadores ópticos (23) y/o acústicos (24) del propio módulo de activación (12), y una vez que los medios de parada (43, 44, 26) detectan la condición de cese de actividad, el segundo emisor receptor de señal inalámbrica (45) del módulo de conexión (14) envía una señal de parada al primer emisor-receptor de señal inalámbrica (25) del módulo de activación (12), tras lo cual el módulo de activación (12) provoca un cambio en los indicadores ópticos (23) y/o acústicos (24). 16. Operation method according to any of claims 12 to 15, characterized in that the saving system (1) is according to claim 3, and that once the user activates the activation means (21), the module activation (12) causes the activation of the optical (23) and / or acoustic (24) indicators of the activation module itself (12), and once the stop means (43, 44, 26) detect the condition of cessation of activity, the second wireless signal receiver transmitter (45) of the connection module (14) sends a stop signal to the first wireless signal transmitter-receiver (25) of the activation module (12), after which the module activation (12) causes a change in the optical (23) and / or acoustic (24) indicators.
17.- Método de funcionamiento según cualquiera de las reivindicaciones 12 a 16, caracterizado por que el sistema de ahorro (1) es según la reivindicación 9, y por que una vez que el usuario activa los medios de activación (21), el primer medio de control (22) activa la segunda electroválvula, y dicha segunda electroválvula se cierra, impidiendo que salga agua por el conducto de agua caliente (16) al exterior. 17. Method of operation according to any of claims 12 to 16, characterized in that the saving system (1) is according to claim 9, and that once the user activates the activation means (21), the first control means (22) activates the second solenoid valve, and said second solenoid valve closes, preventing water from flowing out of the hot water line (16) outside.
18.- Método de funcionamiento según cualquiera de las reivindicaciones 12 a 16, caracterizado por que el sistema de ahorro (1) es según la reivindicación 10, y por que una vez que el usuario activa los medios de activación (21), el primer medio de control (22) activa la electroválvula de tres vías, de modo que dicha electroválvula de tres vías impide que salga agua por el conducto de agua caliente (16) al exterior. 18. Method of operation according to any of claims 12 to 16, characterized in that the saving system (1) is according to claim 10, and that once the user activates the activation means (21), the first control means (22) activates the three-way solenoid valve, so that said three-way solenoid valve prevents water from flowing out of the hot water line (16) outside.
PCT/ES2015/070217 2014-05-27 2015-03-25 System for saving water and method of operating the latter WO2015181411A1 (en)

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ES201430788A ES2555499B1 (en) 2014-05-27 2014-05-27 WATER SAVING SYSTEM AND OPERATING METHOD OF THE SAME

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