BR102015031526A2 - WASTE WATER USE SYSTEM WITH PASS GAS HEATERS - Google Patents

Abstract

"system for the use of waste water with bypass gas heaters". The present invention relates to a shower water heating circuit, which is a system with a through-gas heater commonly used for bathing. In essence, the invention seeks to create a circuit in which the wastewater initially provided by baths assisted by gas-fired heating systems, whose primary intention is to reduce water consumption, can be prevented, but it can be Also state that the system increases the efficiency of the equipment as well as provides greater thermal comfort at the beginning of the bath. The focus of the invention is a closed circuit between the heater and the shower, which causes water to circulate through a pump until it reaches the ideal temperature, all assisted by temperature, pressure sensors and flow control valves. , controlled by a command center.

Description

(54) Title: SYSTEM FOR THE USE OF WASTED WATER WITH PASSAGE GAS HEATERS (51) Int. Cl .: F24D 7/00; F24H 9/20; F04B 13/00 (73) Holder (s): INSTITUTO FEDERAL SULRIO-GRANDENSE, IC USINAGEM INDUSTRIAL LTDA (72) Inventor (s): CASSIANO PINZON; ALEXSANDER FURTADO CARNEIRO; LUIS FERNANDO MELEGARI; CRISTIANO BOSCARDIN (57) Abstract: Invention Patent: SYSTEM FOR THE USE OF WASTED WATER WITH PASSAGE GAS HEATERS. The present invention relates to a water heating circuit for showers, which is a system with a gas heater, commonly used for baths. In essence, the invention seeks to create a circuit in which it prevents the waste of water initially provided by baths assisted by gas-fired heating systems, whose primary intention is to reduce water consumption, but one can also state that the system increases the efficiency of the equipment as well as providing greater thermal comfort, at the beginning of the bath. The focus of the invention consists of a closed circuit between the heater and the shower, which causes the water to circulate through a pump until it reaches the temperature considered ideal, all assisted by temperature sensors, pressure and flow-directing valves , controlled by a command center.

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Descriptive Report of the Invention Patent for “SYSTEM FOR THE USE OF WASTED WATER WITH PASSAGE GAS HEATERS”.

Technical Field

001 The present invention concerns a water heating circuit for showers, which is a system with a gas heater, commonly used for baths. 002 In essence, the invention seeks to create a circuit in which it prevents the waste of water initially provided by baths assisted by gas heating systems, whose primary intention is to reduce water consumption, however, it is also stated that the system increases the efficiency of the equipment as well as providing greater thermal comfort at the beginning of the bath.

State of art

003 Currently, there are already some models of systems used for water heating for showers, with electric, solar and gas heaters.

004 In searches carried out in the state of the art, some documents referring to the systems for the use of wasted water and its heating were selected, which follows:

005 BR PI0702133, under the title Water preheating system with the objective of pre-heating water in the heater / shower path avoiding waste of water.

006 WO 2014064556, under the title “Water heating device with rapid heating function” aiming at a modular water heating device, which comprises a means for

2/5 allow a quantity of hot water to be made available in a short time and / or to avoid any risk of lack of hot water, in order to guarantee maximum comfort to the consumer.

007 EP 2418331, under the heading “Modular domestic-water heating device suitable for being built in” which has as its objective a modular appliance for heating domestic water, capable of being incorporated, comprising a self-supporting structure, independent water tanks and means heating elements outside the tanks.

State of the Art Problems

008 In order to avoid waste with water, the present invention developed from problems found in baths using gas heaters. When opening the shower valve, the user normally needs to wait for the water to reach the ideal temperature, as it is common for the distance between the heater and the shower to be considerable, thus many liters are wasted until all the cold water that is found in the pipe is replaced by heated water, causing a few liters to simply go down the drain, without making any use of it.

009 Regarding the prior art, there are some problems with the systems, such as: In patent BR PI0702133, we have two drawbacks regarding the pump activation: the first is a presence sensor, which, if it is necessary to clean the bathroom environment (box), the pump will be automatically activated, consuming gas for

3/5 heat water that may not be used at that time. The second evaluates the question of a switch of activation, that, if the user forgets to turn it on, initially the bath will have cold water, making the same person waste this water to later start his bath with heated water.

010 In patent WO 2014064556, two tanks are required coupled to the system, which for a residence requires a large physical space in its installation, causing difficulties for future maintenance or problem solving that may occur. In addition, each tank needs a water heater, making the heating system costly.

011 In patent EP 2418331, due to its modular design, the same drawbacks of conventional heaters can be noted, with regard to the ability to have a quantity of hot water available in a short period of time and / or to avoid any risk of lack of hot water in order to guarantee maximum comfort to the consumer.

Summary of the Invention

012 Therefore, it is the intention of the present invention to characterize a circuit for heating water that will solve the problem of waste initially provided by baths assisted by this system, ensuring water savings, as well as the temperature considered ideal for a bath. The focus of the invention consists of a closed circuit between the heater and the shower, which causes the water to circulate through a pump until it reaches the temperature considered ideal, all assisted by

4/5 temperature, pressure sensors and flow directing valves, controlled by a command center.

Description of the Figures

013 In order to illustrate and clarify the invention, reference is made to the schematic and illustrative drawing attached that integrates and subsidizes this descriptive report, and which shows:

014 In fig. 1, a schematic view of the system for using wasted water with bypass gas heaters;

Best Mode for Carrying Out the “Non-Limiting” Invention

015 As can be inferred from the analysis of the aforementioned figure, the system for using wasted water with bypass gas heaters is controlled by a control center, which is formed by an Arduino Mega 2560 (1) and a data acquisition board (2), both powered by a power supply (3). Distributed in the circuit piping are a water pump (4), two check valves (5 and 6), two pressure sensors (7 and 8), a temperature sensor (9), three flow valves ( 10.11 and 12), a heater (13), a register (14) and a shower (15). The entry of water from the street is through the pipe (16).

016 The operation of the system is described as follows: through the pipe (16), we have the entire circuit complete and pressurized with water. When opening the register (14), there is a pressure delta between the sensors (7 and 8), this difference causes the control unit to emit several signals simultaneously, that is, close the flow of the valves (10 and 12), open the valve flow (11) and turn on the water pump (4). That way, the water flow instead of leaving

5/5 by the shower, it is closed in a circuit returning to the heater (13), through the water pump (4). This circulation will be terminated when the water temperature reaches the ideal value for the bath, reading from the temperature sensor (9) compared to that described in the software. Thus, the plant emits signals by closing the flow of the valve (11) and opening the flow of the valves (10 and 12), as well as the shutdown of the water pump (4). However, water will come out of the shower (15) at the temperature programmed in the software. The check valves (5 and 6) have the function of directing the flow only in one direction of the pipeline, thus avoiding possible counter-flow due to pressure differences in the system.

017 It is important to emphasize that in case of reuse of the system, being necessary to take the second or third bath, it will only arm itself again after the water reaches a temperature below the stipulated in the software, that is, the user stipulates both the temperature for take the shower as little as necessary so that the system does not arm itself again.

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Claims (1)

001 System for the use of wasted water with bypass gas heaters, characterized by comprising a closed circuit equipped with a heater, water pump, flow valves, check valves, temperature sensor and pressure sensors. 002 System for the use of wasted water with gas heaters, characterized by comprising an acquisition plate, a source and an Arduino. 1/1