Vibration table based on fluid cooling
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Solution Overview
Problem
Conventional vibration tables face reliability and service life issues due to environmental factors such as temperature, humidity, and dust, which affect the components and the table itself during vibration testing.
Innovation Solution
A vibration table with a fluid cooling system, featuring a pressure bearing table body, a moving ring, and a rolling seal to isolate the cavity from external space, along with a driving device and cooling system to regulate temperature and prevent damage from environmental conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the vibration table components are exposed to the external environment during operation, then the structure remains simple and accessible, but the reliability and service life are greatly reduced due to environmental factors such as temperature, humidity, and dust
Solution Approach 1:
A rolling seal is installed in the gap between the moving ring and the cavity to isolate the cavity from the external environment. The rolling seal acts as a flexible barrier that prevents dust, humidity, and other environmental contaminants from entering the cavity, thereby protecting the driving device and extending the service life of the vibration table without requiring a completely enclosed complex structure
Solution Approach 2:
The cavity is transformed into a protected environment through the rolling seal isolation, creating an inert-like space that is shielded from harmful external factors such as dust, humidity, and temperature fluctuations. This allows the driving device and other components within the cavity to operate in a stable, contamination-free environment
2Reliability
If the cavity components are isolated from external environment using sealing mechanisms, then reliability improves, but the device complexity increases due to additional sealing components
Solution Approach 1:
The rolling seal serves as an intermediary element between the moving ring and the cavity, providing a effective isolation mechanism. Rather than requiring complex multi-layer sealing systems, the rolling seal acts as a single, efficient mediator that blocks environmental contaminants while accommodating the movement of the moving ring, thus maintaining simplicity while achieving reliable protection
3Duration of action of stationary object
If the driving device operates in the cavity without cooling, then the structure remains compact, but the temperature rise reduces the service life and reliability of the components
Solution Approach 1:
A fluid cooling system is introduced into the cavity, utilizing hydraulic principles to circulate cooling fluid through cooling channels in the driving device. This allows efficient heat dissipation from the high-power driving device, preventing temperature rise that would otherwise reduce component service life, while maintaining a compact structure through integrated cooling channels rather than external cooling apparatus
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 fluid cooling system effectively protects the vibration table and its components from environmental factors, ensuring reliable operation and extended service life by maintaining a controlled temperature and preventing external contaminants from entering the cavity.
Implementation Method 1
the cooling system is configured to refrigerate the cavity... the fluid supply device receives fluid from the fluid outlet, refrigerates the fluid, and outputs the refrigerated fluid to the fluid inlet
Implementation Method 2
a rolling seal for isolating the cavity from an external space is fitted and mounted in a gap between the top end portion of the moving ring and the first through hole
Data Source
AI summary
The present invention discloses a vibration table based on fluid cooling, including: a pressure bearing table body and a fluid supply device, wherein the pressure bearing table body includes a cavity and a moving ring located in the cavity, a through hole is formed in an upper housing of the cavity, and the moving ring penetrates out of the through hole; the cavity is provided therein with a driving device and a cooling system, the driving device can drive the moving ring to vibrate up and down, and the cooling system is configured to refrigerate the cavity; the fluid supply device receives fluid from the cavity, refrigerates the fluid, and outputs the refrigerated fluid to the cavity. A rolling seal can isolate the cavity from an external space, so as to protect the cavity and components therein.