Medical Imaging Gantry Vibration Detection Using Dual-Angle Sensors
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vibration detection apparatuses in medical imaging systems fail to achieve satisfactory sampling precision and noise level, limiting the sampling frequency bandwidth.
Innovation Solution
A vibration detection apparatus with two detection plates at an angle to each other, each equipped with a sensing unit, allows independent vibration sensing in two directions, utilizing acceleration sensors like piezoresistive or capacitive accelerometers, and includes differential and low-pass filtering stages to enhance signal processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing vibration detection apparatuses are used, then the device structure is simple, but the sampling precision and noise level are unsatisfactory
Solution Approach 1:
The detection apparatus is segmented into multiple independent detection plates (first detection plate and second detection plate) mounted at angles to each other. Each plate has its own sensing unit, allowing independent vibration detection in different directions. This segmentation enables improved sampling precision by detecting vibrations in multiple directions simultaneously without interference between sensing units.
Solution Approach 2:
The invention transitions from single-direction vibration detection to multi-directional detection by mounting sensing units on detection plates at different angles. The first sensing unit detects vibrations in a first direction while the second sensing unit detects vibrations in a second direction, adding dimensional complexity to the detection capability and thereby improving overall measurement precision.
2Object-affected harmful factors
If existing vibration detection apparatuses are used, then the device structure is simple, but the noise level is high
Solution Approach 1:
By segmenting the detection system into separate detection plates with independent sensing units, the invention reduces noise interference. Each sensing unit operates independently on its own detection plate, preventing cross-interference and reducing overall noise level while maintaining detection capability.
Solution Approach 2:
The detection plates serve as intermediaries between the vibration source and the sensing units. By introducing these intermediate structures, the system isolates the sensing units from direct mechanical interference, thereby reducing noise while still accurately detecting vibrations.
3Productivity
If existing vibration detection apparatuses are used, then the sampling frequency bandwidth is limited, but the device complexity is low
Solution Approach 1:
The invention expands the sampling frequency bandwidth by adding dimensional complexity through multiple detection plates at different angles. This allows the system to capture vibrations across a broader frequency spectrum in multiple directions simultaneously, thereby increasing productivity in terms of sampling capability.
Solution Approach 2:
Each detection plate with its sensing unit serves multiple functions: detecting vibrations in its specific direction, providing angular diversity for comprehensive vibration analysis, and enabling broader frequency sampling. This multi-functionality increases the overall sampling frequency bandwidth without requiring separate dedicated systems for each function.
4Measurement precision
If sensing units are mounted on the same detection plate, then the device structure is simple, but the sensing units interfere with each other
Solution Approach 1:
The invention segments the sensing units onto separate detection plates rather than mounting them on the same plate. This segmentation physically isolates the sensing units, eliminating mutual interference and improving vibration detection accuracy. Each sensing unit operates on its own dedicated detection plate, preventing cross-contamination of vibration signals.
Solution Approach 2:
The detection plates are mounted at asymmetric angles to each other (e.g., perpendicular or oblique angles), creating asymmetric spatial separation between sensing units. This asymmetric configuration ensures that each sensing unit detects vibrations in its own unique direction, preventing symmetry-based interference patterns and improving overall measurement precision.
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 significantly increases sampling frequency bandwidth and reduces noise, ensuring high-precision vibration detection and balance monitoring, facilitating high-quality image acquisition in medical imaging systems.
Implementation Method 1
utilizing acceleration sensors like piezoresistive or capacitive accelerometers
Implementation Method 2
utilizing acceleration sensors like piezoresistive or capacitive accelerometers
Implementation Method 3
includes differential and low-pass filtering stages to enhance signal processing
Implementation Method 4
includes differential and low-pass filtering stages to enhance signal processing
Data Source
AI summary
The present invention relates to a medical imaging system, and a vibration detection method and a vibration detection apparatus thereof. The vibration detection apparatus may include two detection plates at an angle to each other, a sensing unit being mounted on each detection plate, and the sensing units being used to sense vibrations in two directions independently of each other. The medical imaging system may include a gantry, including a fixed portion and a rotatable rotating portion mounted on the fixed portion; an example vibration detection apparatus which is mounted on the gantry. Also provided in the present invention is a vibration detection method corresponding to the example vibration detection apparatus and the example medical imaging system. According to the present invention, a vibration sampling frequency bandwidth can be significantly increased, and high-precision low-noise sampling can be performed.