Temperature-Dependent Switch Assembly With Intermediary Connector
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Solution Overview
Problem
Existing temperature-dependent switches with a series connection of spring and switching elements face challenges in mechanical stability and robustness due to fragile components, leading to potential damage during assembly and reduced reliability, especially when using manual and sensitive welding/soldering processes.
Innovation Solution
Incorporating a dimensionally stable connecting component between the spring element and the temperature-dependent switching element, which is permanently electrically and mechanically connected in series, enhances mechanical stability and simplifies production by allowing automated assembly and individual material selection for desired switching behavior.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If manual welding/soldering processes are used to connect spring element and switching element, then mechanical stability can be achieved, but assembly complexity increases and damage risk rises
Solution Approach 1:
The switch is divided into modular components (spring element, switching element, connecting elements) that can be assembled separately. The first connecting element provides a pre-formed mechanical connection between the spring element and first electrode, while the second connecting element connects the switching element to the first electrode, enabling modular assembly without complex manual welding procedures.
Solution Approach 2:
Connecting elements serve as intermediaries between the spring element, switching element, and electrodes. These connecting elements provide standardized connection interfaces that simplify assembly while maintaining mechanical stability, replacing the need for direct manual welding between fragile components.
2Device complexity
If fragile spring and switching elements are directly connected, then device complexity is reduced, but mechanical stability and robustness decrease
Solution Approach 1:
The connection structure is segmented into multiple components: spring element, switching element, first connecting element, and second connecting element. This segmentation allows each component to be optimized for its specific function while maintaining overall structural stability without excessive complexity.
Solution Approach 2:
The connecting elements are designed to provide mechanical support and protection to the fragile spring and switching elements before any potential damage can occur during assembly or operation. The connecting elements absorb mechanical stresses and protect the sensitive components from direct exposure to external forces.
3Strength
If manual assembly processes are used for fragile components, then mechanical stability can be ensured, but productivity decreases
Solution Approach 1:
The switch components are segmented into modular units with standardized connection interfaces (connecting elements). This modularity enables pre-assembly of sub-components and facilitates automated assembly processes, improving productivity while maintaining assembly reliability through consistent connection geometries.
Solution Approach 2:
The connecting elements are designed to provide pre-formed connection structures that guide the assembly process. The first connecting element pre-establishes the connection between the spring element and first electrode, while the second connecting element pre-establishes the connection between the switching element and first electrode, enabling faster and more reliable assembly.
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 solution increases the mechanical stability and reliability of the switch, reduces the risk of damage during assembly, and allows for easier automated production, while maintaining cost-effectiveness and efficient switching behavior.
Implementation Method 1
The temperature-dependent switching element is designed to change its geometric shape depending on its temperature
Implementation Method 2
The temperature-dependent switching element thus switches from its low-temperature configuration to its high-temperature configuration depending on the temperature, in a hysteresis manner
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A temperature-dependent switch (10) with a first external terminal (14), a second external terminal (16), and a temperature-dependent switching mechanism (12). The temperature-dependent switching mechanism (12) has a temperature-dependent switching element (28) which is configured to change its geometric shape depending on its temperature in order to switch the switching mechanism (12) between a closed position, in which the switching mechanism (12) establishes an electrically conductive connection between the first external terminal (14) and the second external terminal (16), and an open position, in which the switching mechanism (12) breaks the electrically conductive connection. The temperature-dependent switching mechanism (12) has a spring element (30) which is permanently electrically and mechanically connected in series with the temperature-dependent switching element (28).The temperature-dependent switching mechanism (12) further comprises a connecting component (32) which is arranged between the spring element (30) and the temperature-dependent switching element (28) and is attached to the spring element (30) and the temperature-dependent switching element (28).