Temperature-Dependent Switch Layout for Single-Height Sealing
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Solution Overview
Problem
Conventional temperature-dependent switches face challenges in achieving simple electrical connectivity and effective sealing, particularly due to the need to bend external connections into a common plane and the complexity of sealing at different heights, which can lead to damage and increased stress on the temperature-dependent switching element.
Innovation Solution
A temperature-dependent switch design featuring a housing with an insulating material carrier that keeps electrodes at a distance, allowing for a line connecting element to align transversely and connect the first electrode to the external connection at the same height, simplifying the electrical connection and sealing process by allowing external connections to be led out at the same height and plane.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If external connections are bent into a common plane to achieve simple electrical connectivity, then electrical connection simplicity is improved, but stress and damage risk to the temperature-dependent switching element increases
Solution Approach 1:
The patent transitions from a two-dimensional planar arrangement (bending connections in one plane) to a three-dimensional spatial arrangement where external connections can exit at different heights and positions. The switching element is positioned in the space between electrodes without requiring planar bending, allowing connections to route externally without imposing stress on the switching mechanism.
2Ease of operation
If sealing is performed at different heights for external connections, then electrical connectivity is achieved, but sealing complexity increases
Solution Approach 1:
The patent utilizes the third dimension (height/vertical position) to resolve the sealing contradiction. External connections are permitted to exit the housing at different heights and spatial positions rather than being constrained to a single sealing plane. This dimensional freedom allows each connection to be sealed at its optimal location without requiring complex multi-level sealing arrangements.
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 design enhances electrical connectivity by eliminating the need for bending external connections and improves sealing by allowing for a single-height seal, reducing stress on the temperature-dependent switching element and enhancing the switch's mechanical stability and reliability.
Implementation Method 1
The temperature-dependent switching element is a bi- or tri-metallic element, which is designed as a multi-layer, active, sheet-metal component consisting of two, three, or more interconnected components with different thermal expansion coefficients.
Implementation Method 2
This temperature-dependent switching element is a bi- or tri-metallic element... 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
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AI summary
A temperature-dependent switch (10) comprising a housing (24) and a temperature-dependent switching mechanism (12) arranged therein. The temperature-dependent switching mechanism (12) is configured to switch, depending on its temperature, between a closed position, in which the switching mechanism (12) establishes an electrically conductive connection between a first stationary electrode (18) and a second stationary electrode (20), and an open position, in which the temperature-dependent switching mechanism (12) breaks the electrically conductive connection. The housing (24) has an insulating support (22) that forms part of the housing (24) and that supports the two stationary electrodes (18, 20) and keeps them spaced apart along a vertical direction (h). The first electrode (18) is electrically connected to a first external terminal (14). The second electrode (20) is electrically connected to a second external terminal (16).The first electrode (18) is electrically connected to the first external terminal (14) via a connecting element (26) arranged in the housing (24) and oriented transversely to the two electrodes (18, 20). The two external terminals (14, 16) pass through the insulating carrier (22) at the same height (h).