Shock Sensor Protuberance for Repeatable Response
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Solution Overview
Problem
Existing shock sensor systems require costly and time-consuming field calibrations to ensure repeatable shock responses, which increases installation costs and complexity.
Innovation Solution
A surface-mountable shock sensor configuration with a protuberance on the internal clip to enhance mechanical energy transfer, reducing the pulse width range and eliminating the need for field calibration, utilizing a low-cost housing assembly with a top and bottom cover to securely retain the shock sensor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If field calibration is performed to ensure repeatable shock response, then measurement precision is improved, but loss of time and loss of money increase
Solution Approach 1:
The patent applies preliminary action by pre-calibrating the shock sensor during the manufacturing process before field installation. The sensor is calibrated in a controlled factory environment using standardized test procedures, and the calibration data is stored in memory. This eliminates the need for time-consuming field calibration while ensuring repeatable shock response, as the sensor is already optimized for its specific housing assembly configuration.
Solution Approach 2:
The patent implements self-service through automatic calibration procedures that require minimal human intervention. The system uses built-in memory to store calibration parameters and automatically applies them during operation. The microprocessor automatically processes sensor signals using the pre-stored calibration data, enabling the system to self-adjust without requiring skilled technicians to perform manual field calibration.
2Measurement precision
If field calibration is performed to ensure repeatable shock response, then measurement precision is improved, but loss of money increases
Solution Approach 1:
The patent applies preliminary action by pre-calibrating the shock sensor during the manufacturing process before field installation. The sensor is calibrated in a controlled factory environment using standardized test procedures, and the calibration data is stored in memory. This eliminates the need for time-consuming field calibration while ensuring repeatable shock response, as the sensor is already optimized for its specific housing assembly configuration.
Solution Approach 2:
The patent implements self-service through automatic calibration procedures that require minimal human intervention. The system uses built-in memory to store calibration parameters and automatically applies them during operation. The microprocessor automatically processes sensor signals using the pre-stored calibration data, enabling the system to self-adjust without requiring skilled technicians to perform manual field calibration.
3Measurement precision
If mechanical energy transfer is enhanced through protuberance design, then shock detection sensitivity is improved, but device complexity increases
Solution Approach 1:
The patent applies local quality by adding a protuberance only at the specific location where the shock sensor contacts the housing assembly. This localized structural modification concentrates mechanical energy transfer at the critical interface between the sensor and housing, improving shock detection sensitivity without requiring complex changes to the entire housing assembly. The protuberance creates a focused contact point that enhances coupling between the housing vibrations and the sensor element.
Solution Approach 2:
The patent applies asymmetry by introducing an asymmetric protuberance feature on the housing assembly that breaks the symmetry of the otherwise uniform housing structure. This asymmetric design creates optimal mechanical coupling at the sensor contact point, enhancing energy transfer efficiency. The asymmetric shape is specifically designed to match the sensor mounting geometry, improving shock detection without adding overall structural complexity.
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 configuration achieves a repeatable shock response with a significantly reduced pulse width range, allowing for cost-effective and timely field installations by eliminating the need for field calibrations, thereby reducing installation costs and improving system reliability.
Implementation Method 1
Some of these devices also utilize materials having a piezoelectric effect.
Implementation Method 2
accelerometers utilizing sensing materials placed on a thin diaphragm with a proof mass attached to the diaphragm
Implementation Method 3
shock forces imparted to an object
Data Source
AI summary
A surface-mountable shock sensor configuration having substantially eliminated field calibration, comprising: a housing assembly; and a shock sensor replaceably mountable within the housing assembly, wherein the shock sensor configuration yields a repeatable shock response for a plurality of shock sensors, in response to shocks applied to a surface upon which the sensor configuration is mounted.