IT202000010210A1 - SYSTEM FOR MIXING AND ADJUSTING THE WATER FLOW WITH SOLENOID VALVES AND CONTROL AND SUPPLY UNITS FOR SINGLE-PIPE SANITARY AND HEATING PLUMBING SYSTEMS - Google Patents

Description

DESCRIPTION of the invention with TITLE:

?WATER FLOW MIXING AND REGULATION SYSTEM WITH SOLENOID VALVES AND UNIT? OF CONTROL AND SUPPLY FOR SINGLE-PIPE SANITARY AND HEATING PLUMBING SYSTEMS?,

DESCRIPTION

This patent? relating to the devices for mixing and regulating the flow of water and in particular concerns a new system for mixing and regulating the flow of water with solenoid valves and unit? electrical and electronic control, command, regulation and power supply, particularly for plumbing, sanitary and heating systems.

Sanitary water plumbing systems are known, commonly installed in domestic, commercial, industrial, hotel, hospital, etc. environments. or wherever there are civil and industrial users to serve.

Domestic water plumbing systems are known and widespread, commonly installed in domestic environments, comprising two separate pipes, one for cold water and the other for hot water, which carry the water to each sanitary accessory, such as a sink , shower, etc. where mixing and regulation of the flow rate and outlet temperature take place at the dispenser and the mixer. On the other hand, the hydraulic system with two separate water pipes has numerous drawbacks, first of all the high labor cost for installation and maintenance.

AND? it is also known that said double-pipe hydraulic systems require demolition of floors and walls for their replacement or repair.

On the other hand, single-pipe sanitary systems are known, i.e. systems comprising a single pipe which leads the water down the drain. mixed up to the sanitary ware.

In this case, mixing takes place upstream of the distribution in a mixing manifold where the two hot and cold water pipes arrive, and from which a single supply pipe or duct departs for each sanitary fixture up to the user to be served. The water, suitably mixed so as to have the desired temperature and flow rate, reaches the user through said single supply duct made of flexible plastic material.

In this way the use of two pipes is avoided with a considerable saving in material and labor installation costs.

Said adduction duct of the mixed water ? housed in sheaths, ducts, hoses, or other, so that, should it be replaced, it is simply removed from its seat without the necessary demolition of walls or floors.

The mixing of the hot and cold water therefore takes place in said mixing manifold located upstream of the water distribution or near the of the boiler. For this purpose, said manifold comprises at least one mixing solenoid valve (V1) and a flow solenoid valve (V2) connected to the cold and hot water manifold and to the adduction duct (VA) mixed water outlet.

Each adduction duct (VA) therefore leads the water to the sanitary to be served, where the mixing and the flow rate of the water supplied is ? regulated by said solenoid valve (V1) and (V2) one for each adduction duct (VA).

The mixing ? adjusted by the user via display (X1 ) or knob, which controls the operation of the mixing manifold containing the solenoid valves (V1) and (V2) via electric wires (F) connected to the solenoid valve or to the relative control circuit.

Acting on the display (X1), or modifying the position of the knob, the position of the solenoid valves (V1) and (V2) is adjusted, i.e. the mixing and the flow rate of the hot and cold water leaving the adduction duct (VA).

The two pipes for hot and cold water therefore arrive at the known mixing manifolds of single-pipe plumbing and heating systems, wherein said pipes include as many outlets or bifurcations as there are solenoid valves.

The known devices for the mixing and flow of water are not very compact and difficult to install, moreover if one of said solenoid valves has to be replaced, the operation is laborious and even entails a temporary interruption of the water supply throughout the system.

To overcome the aforementioned drawbacks, yes ? studied and created a new system for mixing and regulating the water flow rate with solenoid valves and electric control unit, particularly for plumbing, sanitary and single-pipe heating systems.

Main task of the present invention ? to provide for the mixing and flow of hot and cold water upstream, in the collector, so that the water reaches the user to be served already? mixed and at the temperature and flow rate required by the user.

Another object of the present invention ? to provide for the regulation of the temperature and flow rate of the water arriving at the user to be served, according to the user's request.

Another object of the present invention ? to be compact and easy to install, and also the replacement of the solenoid valves ? of fast execution.

Another purpose of the present invention ? to facilitate the maintenance and replacement of the solenoid valves.

These other aims, direct and complementary, are achieved by the new water mixing and flow rate system with solenoid valves and electronic control unit.

The new find? constituted in its main parts by a?unit? electricity connected to the hot and cold water pipes and to a supply duct to the user. Said adduction duct ? made of flexible tube in plastic material resistant to thermal and mechanical stress due to the passage of water sent to the utilities to be served.

Each solenoid valve includes two through holes, in which the hot and cold water pipes are inserted and connected, equipped with suitable holes and fittings to allow the water to be conveyed inside the adduction pipe.

Said solenoid valves comprise two motors for hydraulic valves which regulate the partial or total opening and closing of said holes so as to regulate their mixing and flow rate, by means of two or more? electric wires, to an adjustment knob or to the unit? control electronics and power supply with the possibility? to control the solenoid valves also with the voice.

By acting on the command that can? be with knob or with display or vocal, the user can? modify the position of the motors and consequently the spheres positioned inside the solenoid valves, thus regulating the flow rates of the hot and cold water, i.e. the mixing and consequently the temperature and flow rate of the water supplied.

By connecting each sanitary accessory with an adduction duct, the new mixing and flow rate regulation system comprises at least one mixing solenoid valve and one flow rate solenoid valve, which will have the outlet for the adduction duct, or two solenoid valves for each adduction duct and also for each sanitary user, each controlled with a knob or by display or voice, for each sanitary service.

Each solenoid valve, both for mixing and for flow rate, will have on board a? unit? electrical and electronic control and power supply, which will provide? to decode and process the data coming from the knob or from the display or voice for the solenoid valves that regulate the temperature through mixing and the flow rate of the water to be sent to the user.

In particular, the position of each control and command component of the solenoid valves sends the data to the motors relating to the temperature and the flow rate of water required by the user, the solenoid valves are positioned so that? hot water and cold water mix together adapting to the user's request.

The new found can? also include one or more sensors for flooding, temperature, pressure, etc., which improve the functioning and use of the hydraulic system.

For example, by installing flood probes inside the mixing manifold, said unit? electrical or power supply and control electronics can? determine the interruption of the water supply in the event of a water leak.

By installing a temperature sensor, connected to the electrical or electronic unit, valve or dispensing device, the user can also read and consequently program the temperature of the water at the valve or dispenser outlet before using it.

The characteristics of the new invention will be better clarified by the following description with reference to the drawings attached by way of non-limiting example. In figure (1) and (2) the solenoid valves are represented in section and in perspective, while in figure (3) ? represented the manifold mixer, in which ? schematized a possible arrangement of said solenoid valves.

The mixing manifold (B) includes the package solenoid valves (V1) and (V2) for each sanitary service and user (U1) to be served, and where each solenoid valve (V1) and (V2) includes two through holes, (C1 ) and (C2), respectively for inserting the hot water pipe (TC) and the cold water pipe (TF).

Said solenoid valves, (V1) and (V2), being equipped with through holes, (C1) and (C1), can all be connected to each other to the same two hot (TC) and cold (TF) water pipes, in side by side as in figure (3). The solenoid valve (V2) includes a further hole, (VU), for coupling the adduction duct, (VA), which brings the water from said solenoid valve (V2) to the end user (X).

Each solenoid valve, (V1) and (V2), also comprises a motor, (M1) and (M2), which controls the hydraulic valves, (V1) and (V2), responsible for regulating the temperature (V1) and the flow rate ( V2) of hot water and cold water coming from the pipes (TC) and (TF) to the end user.

Each solenoid valve (V1) and (V2) of the mixing manifold, (B), ? connected, by means of two or more? electric wires, to the adjustment knob or display (X1) of each user (U 1), to be served, or to the unit? electrical or control and power electronics (Z1) Fig. 1.

The electric or electronic control and power unit, (Z1), of the motors, (M1) and (M2), has the function of receiving, decoding, and processing the data sent by said knobs or displays, (X1), and by any sensors positioned in the valves or in the mixing manifolds, such as the flooding sensor, (SA), or the temperature sensor, (ST), or other.

The new found can? furthermore comprising a display (X1) connected to said temperature sensor, (ST), which indicates, in addition to the flow rate value, also the temperature value of the water present in the adduction duct (VA) ready for dispensing. Figure 4.

In this way the user can? read the temperature and the output flow rate from the dispensers (X) and if necessary decide whether to intervene on the keyboard and/or on the adjustment devices, (X1), in order to modify the mixing or the flow rate of the water supplied before using it.

This configuration? particularly useful for the shower or other bathroom fixtures, so that the user comes into contact with the water only when the desired or set temperature is reached, thus avoiding unpleasant sensations of cold or excessive heat. The solenoid valves (V1) and (V2) are able to keep the temperature of the water at the outlet of the adduction duct (VA) constant by means of the temperature probe (ST) positioned on the outlet (VU) of the valve (V2). The system then becomes thermostatic.

Can you? provide for the use of a presence sensor which intervenes on the water flow by adopting pre-set values.

Can you? provide a voice command for regulating the overall flow rate and the mixing of the outgoing flow.

Are these the methods? sufficient schematics for the person expert to implement the invention, and consequently in concrete application there may be variations without prejudice to the substance of the innovative concept.

Claims (9)

DESCRIPTION of the invention with TITLE: ?WATER FLOW RATE MIXING AND REGULATION SYSTEM WITH SOLENOID VALVES AND UNIT? OF CONTROL AND SUPPLY FOR SINGLE-PIPE SANITARY AND HEATING PLUMBING SYSTEMS? CLAIMS 1) Mixing system and regulation of the water flow rate for single-pipe plumbing, sanitary and heating systems characterized in that it comprises a mixing manifold (B) which in turn comprises one or more solenoid valves (V1) and (V2) connected and regulated by special electronic regulators (X1 ) and where each solenoid valve includes: . a?unit? control and power electronics; , two or more? through holes (C1) and (C2) for connection to the hot water (TC) and cold water (TF) pipes of the domestic water or heating system; . at least one further hole (VU) for the insertion of at least one supply pipe (VA) which leads the water to the user (U1) to be served; one or more motors (M1) and (M2) of the hydraulic valves (V1) and (V2) so that said solenoid valves (V1) can be connected together and/or to the same two hot water (TC) and cold water pipes (TF) side by side or superimposed on each other. 2) System for mixing and regulating the flow of water, as per claim 1, characterized in that each solenoid valve (V1 ) and (V2) ? connected by one or more electric wires to the utility (U1) to be served and to the unit? control and power electronics (Z1). 3) System for mixing and regulating the flow of water, according to claims 1 and 2, characterized by the fact that the position of said solenoid valves (V1) and (V2) ? regulated by means of knobs or regulation display (X1) and/or by push-button panel or remote control, through which the user can? adjust the mixing and flow rate of the water supplied. 4) System for mixing and regulating the flow of water, as per claims 1,2,3, characterized by the fact that said unit? electronic or electrical (Z1) control and power supply has the function of receiving, decoding and processing the data coming from said adjustment knobs or from the command display, as well as? to feed the solenoid valves (V1) and (V2) according to the data received, to command the position of the motors (M1) and (M2) in order to allow the supply of water already? mixed and regulated at a constant temperature and flow rate. 5) System for mixing and regulating the flow of water, according to claims 1,2,3,4, characterized in that it comprises one or more? flood sensors (SA) connected with this unit? control and power electronics (Z1), to command the immediate closing of the motors (M1) and (M2) and therefore? the water supply to the utilities in the manifold (B) in the event of an uncontrolled outflow of both hot and cold water, 6) System for mixing and regulating the flow of water, according to claims 1, 2, 3, 4, 5, characterized in that it comprises one or more? temperature sensors (ST) positioned in the valve (V2) or in the adduction duct (VA) and connected with said unit? control and power electronics (Z1). 7) System for mixing and regulating the flow of water, as per claims 1,2, 3, 4, 5, 6, characterized in that it comprises one or more? display (X1) connected with said unit? electronics (Z1) in order to indicate the temperature and/or the water flow previously set or present in the adduction duct (VA) and ready for dispensing. 8) System for mixing and regulating the flow of water, according to claims 1, 2, 3, 4, 5, 6, 7, characterized in that it comprises one or more? presence detectors that intervene on the water flow by adopting pre-set values. 9) System for mixing and regulating the water flow, as per claims 1,2, 3, 4, 5, 6, 7, 8, characterized in that it comprises one or more? voice commands that intervene on the water flow by adopting pre-set values from the display or from other external knobs.