Stepper Ball Valve Control for Precise Flow Without Wear-Prone Parts
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Solution Overview
Problem
Conventional valves face issues with wear and tear due to repetitive use, particularly with diaphragms, needles, and poor construction, leading to inefficiencies in controlling fluid flow and pressure.
Innovation Solution
The integration of a stepper motor, gearbox, drive shaft, and motor controller system with a ball valve to create a 'Stepper Valve' that allows precise electronic control of fluid flow, pressure, and temperature, eliminating the need for interchangeable parts and enabling operation with low voltages, wireless communication, and voice commands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional valves (diaphragm, needle, spring) are used for flow control, then they can perform basic valve functions, but they suffer from wear and tear due to repetitive use leading to reduced reliability
Solution Approach 1:
The patent replaces conventional mechanical valve components (diaphragms, needles, springs) with an electronically controlled ball valve actuated by a stepper motor. The stepper motor provides precise rotational control to position the ball valve without the wear-prone mechanical components found in traditional valves. This substitution of mechanical systems with electromagnetic actuation resolves the reliability issue by eliminating the wear and tear associated with repetitive mechanical operation.
2Reliability
If ball valves are used for flow control, then they provide excellent sealing and wear resistance, but they lack precise control capability for pressure, temperature, and flow rate
Solution Approach 1:
The patent incorporates a microcontroller that receives feedback from sensors monitoring flow rate, pressure, and temperature. The microcontroller processes this feedback information and adjusts the stepper motor's position accordingly to maintain precise control of the ball valve. This closed-loop feedback system enables the ball valve to achieve precise control capability while maintaining its inherent sealing performance.
Solution Approach 2:
The patent makes the ball valve dynamic by integrating a stepper motor with programmable control capabilities. The valve can now adjust its position dynamically based on control signals from the microcontroller, enabling precise control of flow rate, pressure, and temperature. This transforms the static ball valve into a dynamically controllable device that maintains sealing while achieving measurement precision.
3Measurement precision
If complex electronic control systems are integrated with ball valves to achieve precise control, then control precision improves, but device complexity increases
Solution Approach 1:
The patent integrates multiple functions into a single unified control system. The microcontroller handles motor control, sensor data acquisition, signal processing, and communication functions all in one device. The stepper motor serves both as the actuation mechanism and the positioning mechanism. This multi-functionality approach achieves precise control while minimizing device complexity by consolidating functions rather than adding separate components for each function.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The Stepper Valve achieves precise control of fluid flow, pressure, and temperature, reducing wear and tear, enhancing operational efficiency, and allowing for easy setup and automation of plumbing systems, ultimately saving resources and time.
Implementation Method 1
The Stepper Motor is a brushless and DC operated electromagnetic apparatus that converts digital pulses into a mechanical shaft rotation
Data Source
AI summary
Apparatus is provided for electro-mechanically fluctuating the position of a ball valve/ball valve stem. The said apparatus can electronically turn the ball valve smoothly and effectively to any position in response to the input signal provided by a microcontroller interfacing with a motor driver controller. The apparatus control inputs will range from: voice command, push buttons, motion sensor, android, and/or touchscreen. An input means to send signals to the microcontroller, which send a signal to the stepper motor driver circuit, which send a signal to control the Stepper motor, which will maneuver a machined made driveshaft to operate the momentum of the ball valve/ball valve shaft for accurate and precise liquescent output.