Arc-Shaped Heater Sensor With Movable Support
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Solution Overview
Problem
Existing heat sensing devices face challenges in uniformly contacting the inner surface of an arc-shaped surface heater, leading to potential one-side contact issues that can result in inaccurate temperature sensing or delayed responses.
Innovation Solution
A heat sensing device with a spring member fixed to a heat sensing element, supported by a movable body, ensures uniform contact with the arc-shaped surface heater, preventing one-side contact through a spherical member that slides in an arc-shaped recess, allowing stable temperature sensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a heat sensing element contacts the inner surface of an arc-shaped surface heater, then temperature sensing is enabled, but uniform contact is difficult to achieve leading to one-side contact issues
Solution Approach 1:
The supporting body is designed with a spherical outer surface that matches the arc-shaped inner surface of the surface heater. This curved geometry enables the heat sensing element to maintain uniform contact with the entire arc-shaped heating element, preventing one-side contact and ensuring reliable temperature sensing throughout the heating zone.
Solution Approach 2:
The spring member provides a flexible, dynamic connection between the heat sensing element and the supporting body. This elastic element allows the system to adapt to thermal expansion and positional variations, maintaining stable contact pressure and ensuring continuous reliable contact between the sensing element and the heating surface.
2Device complexity
If the heat sensing element is fixed rigidly, then structural simplicity is achieved, but contact uniformity with arc-shaped surface deteriorates
Solution Approach 1:
The spring member introduces controlled flexibility into the system, replacing a rigid fixed connection with an elastic dynamic connection. This allows the heat sensing element to automatically adjust its position and maintain uniform contact with the arc-shaped surface, achieving precise contact without complex adjustment mechanisms.
Solution Approach 2:
The spring member enables the heat sensing element to self-adjust its position automatically based on the arc-shaped geometry of the heating element. The elastic deformation of the spring allows the system to self-compensate for geometric mismatches, achieving uniform contact without external adjustment or complex positioning mechanisms.
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
This configuration ensures stable and accurate temperature sensing of the surface heater, preventing one-side contact and maintaining consistent heat detection.
Implementation Method 1
a spring member one end of which is fixed to the heat sensing element and that presses the heat sensing element against the inner surface of the surface heater
Implementation Method 2
a heat sensing element that contacts an inner surface of a surface heater extending in an arc shape, the inner surface having the arc shape, and that senses that a temperature of the surface heater exceeds a predetermined temperature
Data Source
AI summary
A heat sensing device includes a heat sensing element that contacts an inner surface of a surface heater extending in an arc shape, the inner surface having the arc shape, and that senses that a temperature of the surface heater exceeds a predetermined temperature; a spring member one end of which is fixed to the heat sensing element and that presses the heat sensing element against the inner surface of the surface heater; and a supporting body that supports the other end of the spring member, the other end being away from the heat sensing element, in such a way that the other end is movable in a direction in which the surface heater extends in the arc shape.