BR-202024018067-U2 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM

BR202024018067U2BR 202024018067 U2BR202024018067 U2BR 202024018067U2BR-202024018067-U2

Abstract

Pressure reducing valve control unit system, referring to a modulated output pressure reducing valve control unit system, belonging to the technical sector of the sanitation area, used in treated water supply systems.

Inventors

ISABEL CRISTINA REINSTEIN BERTAO

Assignees

ISABEL CRISTINA REINSTEIN BERTAO

Dates

Publication Date: 20260317
Application Date: 20240902

Claims (14)

1 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by a programmable logic controller (PLC) in which the control unit (1) performs the opening, closing, and management of the operating pattern of the entire pressure reducing valve system (2), where each electrical signal measured to a process variable, representing a respective hydraulic measurement, communicates directly to the automatic opening and closing actuation for modulating the pressure reducing valve (2), maximizing operation because the internally structured decision is integrated into the controller, as illustrated in Figure 01, where the operation is commanded by direct and local actuation on the latch solenoid valves installed on the upper chamber of the pressure reducing valve (2), where a single piece of equipment locally integrates the control, communication, and algorithm processes, with management software and interactive hydraulic models with technology for optimized local control of opening and closing. modulation of pressure reducing valves
2 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by a control unit system comprising at least one sensor providing an electrical signal representing the value of at least one process variable, a processor receiving the signal(s) from the process variable(s) and sending the signal(s) to the adjustment mechanism (solenoid latch valves), acting to insert or remove volumes of water existing inside the chamber formed between the upper part of the valve and the diaphragm of the pressure reducing valve (2), in response to the difference between the measured value and a setpoint defined by the structure of the programmable hydraulic algorithm.
3 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by the active operation of control, monitoring, communication, and local intelligence software embedded in the programmable logic controller (PLC) and performs interactive management between stored data records and hydraulic measurements, assuming optimized operational values of downstream pressure, flow rate, and critical points, according to the behavior of the statistical curves of maximum, average, and minimum, within the historical record of hydraulic measurements in the operating areas of the pressure reducing valve, assigning dynamic downstream pressures within the recorded pressure x flow rate curves.
4 - PRESSURE REDUCING VALVE CONTROLLER UNIT SYSTEM, for use with a specific controller unit for modulating pressure reducing valves, characterized by a controller unit system (1) comprising a memory structure adapted for processing and storing analog and digital data with the capacity to operate the pressure reducing valve (2) within a programmable hydraulic algorithm structure whose controller unit is connected and adjusted so that the communication circuit acts automatically on the latch solenoid valves, which are the actuators responsible for adjusting the opening and closing for modulating the pressure reducing valve (2) to the variables defined and processed by the local software.
5 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by a control unit housing with an IP 68 or higher protection rating, protected from direct contact between the electronic and hydraulic parts, preventing wet areas from coming into contact with the device's electronics and facilitating access for maintenance of latch solenoid valves and pressure sensors.
6 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by functional improvements in pre-configuration and programming, allowing the structuring of up to forty-eight parameterizations for modulating operating ranges of upstream pressure, downstream pressure, flow rate, transients, and alarms.
7 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by equipment with a high capacity for detecting hydraulic transients in two channels, with a sampling frequency of 128 Hz, an innovation as it allows reading the pressure between eight and one hundred and twenty-eight times per second depending on the configuration and the degree of pressure detected, recording hydraulic pressure transients and the existence of water hammer upstream and downstream of the valve, with great reliability.
8 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by equipment that allows the measurement of upstream and downstream pressure conditions at its measurement points defined by the maximum, minimum and average readings taken during the period, with storage in memory of all data computed in the respective period until the data is downloaded to the server (3).
9 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized, for practical purposes, by the superior sensitivity of the response time of commands in direct communication, since data conversion is direct, via digital outputs, with response times for adjustment on the order of one tenth (0.1) of a second, via Thor 7 equipment, which defines the external electrical commands that actuate the valve solenoids up to the programmed setpoint to act in the upper chamber of the valve, and, for precise and fine control of the desired pressure at each moment, the system uses PID (Proportional-Integral-Derivative) control, which is one of the most advanced and effective methods used in automatic control systems to regulate a variable, such as pressure, in order to reach and maintain the desired value (setpoint), this control being based on monitoring and comparing the output pressure with the desired pressure value (setpoint), actuating the valves. Latch with maximum resolution up to 10 times per second in order to adjust to the desired value, with all control being local and having the advantages of offering a fast and precise response, low energy consumption and guarantee of control independent of communication failures to the server (3), whether due to computer failure or communication operator failure, this control is guaranteed to be safer, more reliable and more advanced compared to controllers that need to be operated remotely where the pressure reducing valve actuator remains inert until the telecommunication signal between the remote communication unit and the control unit is activated and from then on the adjustments to the defined variables begin.
10 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by an additional, less obvious advantage that the control unit system (1) allows through the dynamic modulation of the defined variables, a greater range of automation in the pressure reduction and treated water loss control process, with minimal human intervention in the operating configurations, since the software re-evaluates and adjusts to the new demands recorded in the operating curves, altering the operating ranges of downstream pressure, flow rate and critical point, by means of a programmable hydraulic algorithm (auto-operation), so that the assignment of minimum, average and maximum values for the pressure balance of the sectors, or adjustment points, adopts values within the best performance (operational optimization) for the reduction of treated water loss volumes, reduction of operating expenses and sufficient demand volumes for the adequate consumption of the population served, with local communication operating with real-time monitoring for the users/clients of the application.
11 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by a control unit system that acts in such a way that all hydraulic measurements of downstream pressure, upstream pressure, flow rate, critical points and transients are process control variables, so that the values defined for each operating curve modulate the operating pattern of the pressure reducing valve assembly, optimizing operating demands and alarm records.
12 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by a system that allows easy configuration using Windows® software, locally, via USB port and Bluetooth. Alarm log reception can be configured via SMS data, with an application for receiving and sending alarms and downloading data history. This allows users/clients to make operational decisions quickly regarding solutions external to the pressure reducing valve assembly, such as upstream leak alarms, cavitation, excess consumption demand, downstream leaks, mixing of coverage sectors, pressure waves in the distribution network, among others. This makes the control unit system a predictive tool for reducing physical losses of treated water and improving operational efficiency.
13 - PRESSURE REDUCING VALVE CONTROLLER UNIT SYSTEM, for use with a specific controller unit for modulating pressure reducing valves characterized by a user application for use by users/clients in a WEB environment (4) allows access to all data records and histories, either by descriptive reports or graphically, of all hydraulic measurements and variables defined for the operation of the pressure reducing valve assembly.
14 - PRESSURE REDUCING VALVE CONTROL UNIT SYSTEM, for use with a specific control unit for modulating pressure reducing valves, characterized by a control unit system (1) that allows adjustment of the operating performance conditions of different pressure reducing valves (2), in order to adapt to the unique properties of different models, and the equipment has other possibilities of external power supply, namely, by another battery bank, by photovoltaic panel or by available power grids.

Description

1 - This utility model refers to a modulated outlet pressure reducing valve control unit system, belonging to the technical sector of the sanitation area, used in treated water supply systems. STATE OF THE ART 2 - Valve pressure control systems, with diverse characteristics and specificities, are already well known in what we call the state of the art. In the art, they are known to block, establish, control or interrupt, monitor, receive and send commands, record and write commands, and generate automated reports. 3 - In a search conducted using the INPI database, we found several patent applications whose objectives are geared towards this purpose. Let's take a look: 4 - On May 13, 2008, patent PI 0811088-3 was requested, entitled APPARATUS FOR CONTROLLING A WATER PRESSURIZATION SYSTEM, comprising an apparatus for controlling a water pressurization system that can be installed in a hydraulic circuit, said system comprising an electric pump connected to said hydraulic circuit to pump water in it, and an expansion vessel, provided with a valve to control the pressure of the chamber containing air inside it, connected to said hydraulic circuit, designed to compensate for pressure variations to which said hydraulic circuit is subject in the water distribution stages; the said apparatus further comprising: a pressure sensor, installed in a position corresponding to the said control valve, to detect the pressure of the said chamber containing air, and an electronic control unit, electrically connected to the said pump and to the said pressure sensor, designed to constantly measure the pressure of the said chamber containing air by means of the said pressure sensor, so as to regulate the activation or deactivation of the said electric pump based on the detected pressure value. 5 - On July 29, 2010, patent C1 9812378-5 was filed, entitled PRESSURE REGULATOR FOR CONTROLLING THE PRESSURE OF A PROCESS FLUID, which is a pressure regulator for controlling the pressure of a process fluid, comprising: a body defined by a fluid inlet, a fluid outlet, and a fluid flow passage between the inlet and the outlet; a movable throttling element within the flow passage; an actuator coupled to the throttling element to selectively move the throttling element to control the fluid flow through the fluid passage; a reference load coupled to the actuator to orient the throttling element in a predetermined reference position; a return valve to apply process fluid to the actuator to position the throttling element, characterized in that the actuator and the return valve are configured to position the throttling element so as to block fluid flow through the fluid passage in response to a predetermined process fluid pressure upstream or downstream of the regulator; and an electronic controller that applies a force to the actuator to additionally position the throttling element in response to a process variable. 6 - On 12/04/2021, patent BR 10 2021 006955 4 was requested, entitled DIGITAL PROPORTIONAL PRESSURE CONTROLLER, referring to a set of valves having a plurality of filling valves that allow a fluid to flow from a fluid inlet to an internal flow path to increase the pressure of the fluid emitted from a fluid outlet, and a plurality of discharge valves that allow the fluid to flow from the internal flow path to an exhaust to reduce the pressure of the fluid emitted from the fluid outlet. The valve assembly includes a controller that is configured to receive a command signal including a desired fluid pressure to be discharged from the fluid outlet, and is configured to receive a signal from a pressure sensor that is indicative of an actual fluid discharge pressure from the fluid outlet, whereby based on a comparison of the command signal with the signal indicating the actual pressure, the controller is configured to selectively open and close each of the filling valves and each of the discharge valves until the actual pressure is equal to the desired pressure. 7 - Finally (and we will give special emphasis to this patent) on 08/09/2006, patent PI 0604041-1 was requested, entitled HYDRAULIC VALVE PRESSURE CONTROL SYSTEM, referring to a hydraulic valve controller, its use, a pressure control process, particularly for globe valves, and used mainly in hydraulic network installations, which is remotely controlled, and is equipped with a low-voltage power source that eliminates risks to the user. 8 - Regarding patent PI 0604041-1, whose invention is the most analogous among the patents mentioned in the state of the art, we will make a comparison between the technologies and functionalities, pointing out the respective technical differences that will be claimed by the patent proposed here. That being said, we did not find any patent application that contemplates the proposal contained in this report. FUNDAMENTALS OF THE TECHNIQUE 9 - An essential and basic resource for the population, access to drinking water directly impacts the quality of li