Imaging Unit Projection Joining for Vibration Isolation
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Solution Overview
Problem
Existing imaging units face performance issues due to vibrations from the vibration device leaking to the sensor device, impairing the ability to effectively remove foreign matter from the light-transmitting element.
Innovation Solution
The imaging unit is designed with a configuration where the vibration device and sensor device are joined via projections or cushioning materials, reducing contact area and vibration leakage, ensuring efficient vibration of the light-transmitting element.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the vibration device and sensor device are directly joined together, then the structural integrity and alignment are improved, but vibrations from the vibration device leak to the sensor device, impairing the performance of vibrating the light-transmitting element
Solution Approach 1:
The housing of the vibration device is divided into a main body and a separate vibration-transmitting portion that contacts the light-transmitting element. This segmentation isolates the vibration source from the sensor device while maintaining structural integrity through the projection joining mechanism.
Solution Approach 2:
Projections are introduced as intermediary elements between the housing and the bracket. These projections provide a controlled joining interface that maintains structural stability while minimizing vibration transmission to the sensor device through reduced contact area.
2Reliability
If the contact area between housing and bracket is reduced via projections, then vibration leakage is minimized, but the joining strength may be compromised
Solution Approach 1:
The housing is designed with localized projections at specific positions rather than a continuous contact surface. This local quality approach concentrates the joining function at discrete points while minimizing overall contact area, thereby reducing vibration leakage while maintaining sufficient joining strength at the projection contact points.
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 configuration effectively inhibits performance impairment, allowing for effective removal of foreign matter from the light-transmitting element, maintaining clear imaging capabilities.
Implementation Method 1
a piezoelectric element configured to vibrate the vibrator
Implementation Method 2
a vibration device having a housing and configured to vibrate a light-transmitting element
Data Source
AI summary
An imaging unit that includes: a vibration device having a housing and configured to vibrate a light-transmitting element, the light transmitting element configured to transmit light having a predetermined wavelength; a sensor device including a bracket and an imaging element on the bracket; and a plurality of projections on at least one of the housing of the vibration device and the bracket of the sensor device, wherein the housing and the bracket are joined via the plurality of projections such that the light transmitting element is in a direction of view from the imaging element on the bracket.