Thermal-Deforming Valve Disc for Precise Temperature Flow Regulation
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Solution Overview
Problem
Existing regulating valves, both manual and automatic, face challenges such as complex structure, large size, delayed response, and low precision, making them unsuitable for small-scale equipment.
Innovation Solution
A temperature control regulating valve with a valve member that deforms relative to a valve hole due to differing thermal expansion coefficients, allowing for automatic adjustment of fluid flow based on temperature changes, featuring a simple structure and no manual adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If automatic regulating valves are used to achieve automatic fluid flow regulation, then the regulation precision and response speed are improved, but the device complexity and size increase
Solution Approach 1:
The valve member utilizes its own thermal expansion and contraction properties to automatically regulate fluid flow in response to temperature changes, eliminating the need for external actuators, sensors, or control systems. The valve member deforms with temperature changes, causing its relative position to the valve hole to change, thereby automatically adjusting the flow passage area without external intervention.
Solution Approach 2:
The invention changes the physical parameter of the valve member by using materials with different thermal expansion coefficients. The valve member is constructed from multiple materials with different thermal expansion coefficients, causing differential deformation when temperature changes, which in turn changes the relative position between the valve member and valve hole, achieving automatic flow regulation through parameter change rather than complex control mechanisms.
2Device complexity
If manual regulating valves are used to simplify the structure, then the device complexity is reduced, but the response speed and regulation precision deteriorate
Solution Approach 1:
The valve member automatically responds to temperature changes through its inherent thermal expansion and contraction properties, eliminating the need for manual operation while maintaining structural simplicity. The self-service mechanism directly couples temperature detection and flow regulation functions into a single component, achieving both simplicity and rapid response.
3Measurement precision
If automatic regulating valves with actuators are used to achieve precise control, then the regulation precision is improved, but the device size increases making it unsuitable for small-scale equipment
Solution Approach 1:
The invention merges the functions of temperature sensing, actuation, and flow regulation into a single integrated valve member. The valve member simultaneously serves as the temperature-responsive element and the flow control element, eliminating separate actuators and sensors, thereby achieving precise control with minimal device size suitable for small-scale equipment.
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 valve achieves precise and automatic fluid flow regulation with temperature changes, ensuring consistent performance across varying temperatures without manual intervention.
Implementation Method 1
the thermal expansion and contraction coefficient of the first connecting member is greater than or less than that of the second connecting member
Implementation Method 2
the thermal expansion and contraction coefficient of the first connecting member is greater than or less than that of the second connecting member
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A temperature control regulating valve includes a mounting seat and a valve disc (2) set on the end face of the mounting seat. The mounting seat is provided with a valve hole (11) that penetrates through the mounting seat. The end of the valve disc (2) close to the valve hole (11) is slidably set relative to the valve hole (11), sliding with temperature changes. With temperature changes, the valve disc (2) deforms, gradually changing its relative position to the valve hole (11), gradually blocking the valve hole (11) or gradually overlapping the valve disc hole with the valve hole (11), allowing for a gradual change in the cross-sectional area through which fluid can pass, automatically adjusting the flow rate of the fluid with temperature changes.