Advanced valve actuator with remote location flow reset
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Solution Overview
Problem
Conventional fluid control systems in HVAC and industrial applications lack remote adjustability of flow rates, fail to handle seasonal changes and energy synchronization effectively, and are inefficient in energy usage, particularly in two-pipe water temperature changeover systems and with building management systems.
Innovation Solution
A fluid control valve and actuator assembly with a communications module that allows remote monitoring and control, adjustable maximum and minimum flow rates, and integration with building management systems, including anti-cavitation and diagnostic modules for enhanced energy efficiency and system synchronization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional fluid control systems use locally set maximum flow settings, then the flow rate can be controlled at the valve location, but the flow rate cannot be adjusted from a remote location
Solution Approach 1:
A communications module is introduced as an intermediary between the valve actuator and the remote control system. This module receives control signals and transmits operational data, enabling remote adjustment of flow rates without requiring direct physical access to the valve. The communications module acts as a mediator that bridges the gap between remote operators and local valve mechanics.
Solution Approach 2:
The patent replaces manual local adjustment mechanisms with an electronically controlled system. The valve actuator uses an electric motor driven by control signals from the communications module, substituting mechanical hand-adjustment with automated electronic control. This allows flow rate settings to be changed remotely through digital communications rather than physical intervention.
2Loss of information
If conventional fluid control systems operate without remote monitoring capability, then the system is simpler, but the system cannot provide remote monitoring of flow through the valve
Solution Approach 1:
The communications module implements a feedback mechanism where the valve actuator continuously reports its operational status, flow rate settings, and diagnostic information to the remote building management system. This feedback loop enables real-time monitoring without adding complex separate sensing systems, as the actuator itself provides the data.
Solution Approach 2:
The valve actuator performs self-diagnosis and self-reporting of its operational parameters. Instead of requiring external sensors and monitoring equipment, the actuator internally tracks its own performance metrics and automatically transmits this information remotely, making the monitoring system self-sufficient.
3Use of energy by moving object
If conventional fluid control systems lack flow rate adjustment capability, then the system is simpler to operate, but the system cannot optimize energy efficiency for seasonal changes
Solution Approach 1:
The valve actuator implements dynamic flow rate adjustment capability, allowing the maximum flow setting to be changed based on seasonal requirements and building demands. The system transitions from static fixed flow rates to dynamically adjustable rates, enabling optimization for heating seasons, cooling seasons, and transitional periods through remote control.
Solution Approach 2:
The patent enables change of the flow rate parameter in response to different operational conditions. The maximum flow setting can be modified remotely to match seasonal temperature variations, building occupancy patterns, and energy price structures, allowing the system to adapt its performance characteristics to external environmental and economic factors.
4Productivity
If conventional fluid control systems do not integrate with building management systems, then the system is more independent, but the system cannot synchronize with building's mechanical systems
Solution Approach 1:
The valve actuator is designed with multi-functionality, serving both as a standalone flow control device and as an integrated component of the building management system. The communications module provides universal interfaces that enable the actuator to function independently or in coordination with central building controls, allowing the same device to adapt to different system architectures.
Data Source
AI summary
An fluid control valve and actuator assembly includes a valve configured to control a flow of liquid, and a valve actuator configured to control opening and closing of the valve, and further configured to provide both a maximum flow rate and a minimum flow rate of the liquid through the valve. In a particular embodiment, the valve actuator has a communications module configured to facilitate communication with the valve actuator over a network, and further configured to allow both remote monitoring of the flow through the valve, and remote control of the valve actuator.