Electronic Switching Device Stroke and Gap Inspection
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Solution Overview
Problem
The existing manufacturing process for electronic switching devices separates the inspection of stroke and gap measurements, leading to increased production time, complexity, and potential errors due to disassembly, which reduces inspection efficiency and increases failure rates.
Innovation Solution
A method where a first detection signal is transmitted through a first through hole to measure the stroke before assembly, and a second detection signal is applied through a second through hole to measure the compression distance after assembly, using a distance detection unit to inspect the stroke and compression distance simultaneously, allowing for efficient performance inspection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate processes are used for measuring stroke and gap, then measurement accuracy is maintained, but production time increases and inspection efficiency decreases
Solution Approach 1:
The patent combines multiple measurement functions (stroke measurement and gap measurement) into a single integrated inspection process. The measurement unit performs both measurements sequentially without requiring disassembly of the device, merging what were previously separate inspection steps into one unified operation that maintains accuracy while improving efficiency.
Solution Approach 2:
The patent performs stroke measurement before final assembly is completed, when the movable part is still accessible. This preliminary measurement action allows the device to be measured in a partially assembled state, avoiding the need to disassemble later and enabling efficient sequential measurement of both stroke and gap in one inspection process.
2Measurement precision
If separate processes are used for measuring stroke and gap, then measurement accuracy is maintained, but process complexity increases
Solution Approach 1:
The patent merges multiple measurement processes into a single integrated inspection flow. The measurement unit is configured to perform both stroke and gap measurements without requiring separate setup or disassembly steps, simplifying the overall manufacturing process while maintaining measurement precision through systematic sequential measurement.
3Device complexity
If inspection processes are omitted to reduce complexity, then manufacturing is simplified, but failure rate increases
Solution Approach 1:
The patent performs necessary measurements at optimal times during assembly - stroke measurement is performed preliminarily when the movable part is accessible, and gap measurement is performed after final assembly. This timing strategy ensures both critical measurements are captured without requiring redundant inspection steps or device disassembly, maintaining reliability while avoiding excessive complexity.
Solution Approach 2:
The patent uses a non-contact optical measurement system (laser displacement sensor) to replace traditional mechanical measurement methods. This substitution allows measurements to be taken through the housing structure without disassembly, enabling complete inspection while simplifying the measurement process and reducing the risk of measurement errors that could lead to device failure.
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 approach simplifies the manufacturing and inspection processes, reduces errors, and improves inspection efficiency by allowing simultaneous measurement of critical performance factors, thereby reducing failure rates and streamlining production.
Implementation Method 1
transmitting a first detection signal to a first through hole of the fixed unit... transmitting a second detections signal to a second through hole of the movable part
Data Source
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AI summary
Provided are an electronic switching device and a method for manufacturing the same. The electronic switching device (10) includes a fixed unit (110)including a fixed unit body (11) defining an outer appearance thereof and a fixed contact part (123) disposed within the fixed unit body, a movable unit(140) including a movable contact part (153) selectively contacting the fixed contact part to supply current, a moving part (143) provided in the movable unit to guide a movement of the movable contact part toward the fixed contact part, a coil (180) to which power is applied to move the moving part, and an elastic member (160) that is elastically deformable while the moving part moves. At least one of the fixed unit and the moving part has a through hole (115, 148) so that an inner component of the fixed unit or the moving part communicates with the outside to allow a preset signal to pass therethrough.