Back-Side Sensor Unit Mounting With Integrated Vibration Damping
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Solution Overview
Problem
Conventional sensor unit attachment structures face challenges in efficiently attaching and absorbing vibrations, particularly when attaching from the back side, leading to potential vibration transmission to the housing.
Innovation Solution
A sensor unit design that includes a body with a first and second portion, where the first portion is accommodated in the housing from the back side, and a vibration damper is used to fix the second portion to the housing, absorbing vibrations and preventing their transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the sensor unit is attached from the back side using a conventional structure, then the attachment process becomes simpler, but vibrations are transmitted to the housing
Solution Approach 1:
The patent introduces a vibration damper as an intermediary component between the sensor unit and the housing. This damper absorbs vibrations generated by the sensor unit, preventing them from being transmitted to the housing. The vibration damper acts as a mediator that decouples the vibration transmission path while maintaining the attachment function, thus resolving the contradiction between easy back-side attachment and vibration isolation.
2Object-affected harmful factors
If the vibration damper is interposed between the fixable part and the housing, then vibration insulation is enhanced, but the attachment structure becomes more complex
Solution Approach 1:
The patent combines the vibration damping function with the attachment structure by integrating the vibration damper into the existing fixable part design. Rather than adding a completely separate vibration isolation system, the damper is merged with the attachment mechanism, allowing it to perform both fastening and vibration absorption functions simultaneously. This merging approach enhances vibration insulation while minimizing the increase in 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
This design facilitates easy attachment from the back side and enhances vibration insulation, reducing the transmission of vibrations to the housing, thereby improving the attachment and operational stability of the sensor unit.
Implementation Method 1
the vibration damper is at least partly interposed between the fixable part and the housing... the vibration damper can absorb vibrations of the body, the fixable part, and the detection sensor which are vibrated by the vibration generator
Data Source
AI summary
A sensor unit attachable to a hole of a housing, closed by an overlay on one side in the first direction, from the other side in the first direction. The sensor unit includes a body, a sensor, a vibration generator, a vibration damper, and a fixable part. The body includes a first portion and a second portion on the other side in the first direction relative to the first portion. The sensor provided at the body detects a contact of a detection target with the overlay. The vibration generator can vibrate the body and sensor. The fixable part is provided at the second portion of the body. With the first portion accommodated in the hole, the fixable part is fixed to the housing from the other side in the first direction via the vibration damper, and the vibration damper is at least partly interposed between the fixable part and housing.