Integrated Pump Drive Device for Compact Liquid Cooling Systems
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Solution Overview
Problem
Conventional pump drive devices in liquid cooling systems lack a compact design, leading to large volume, high load, and high manufacturing costs, making them unsuitable for compact products in industries like ICT, power electronics, and medical devices.
Innovation Solution
A pump drive device integrating driving, pressure stabilization, cavitation prevention, liquid-level monitoring, and medium purification functions, featuring a box body with a liquid-phase and gas-phase zone module, medium purification module, and filter assembly, which reduces manufacturing costs and saves installation space while improving operation and maintenance efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional pump drive devices are used in liquid cooling systems, then the system can achieve basic cooling function, but the device volume is large, manufacturing cost is high, and installation space is excessive
Solution Approach 1:
The patent combines the pump drive device with multiple functional modules including driving mechanism, pressure stabilization module, cavitation prevention module, liquid-level monitoring module, and medium purification module into a single integrated unit. This merging of previously separate components directly reduces the overall device volume while maintaining all necessary cooling functions, resolving the contradiction between compact size and functional completeness.
Solution Approach 2:
The integrated pump drive device performs multiple functions simultaneously: circulation pumping, pressure stabilization, cavitation prevention, liquid-level monitoring, and medium purification. By making the device multi-functional, the patent eliminates the need for separate dedicated components for each function, thereby reducing total device volume and installation space while maintaining system reliability.
2Reliability
If conventional pump drive devices are used, then basic driving function is provided, but pressure stabilization and cavitation prevention are insufficient
Solution Approach 1:
The patent integrates pressure stabilization and cavitation prevention functions directly into the pump drive device structure. The pressure stabilization module maintains consistent operating pressure, while the cavitation prevention module ensures proper liquid levels and prevents vapor bubble formation. By combining these protective functions with the driving function in one unit, the patent enhances reliability without requiring entirely separate systems.
Solution Approach 2:
The cavitation prevention module and liquid-level monitoring module perform preliminary actions to prevent cavitation before it occurs. By continuously monitoring liquid levels and maintaining proper pressure conditions in advance, the system prevents cavitation damage rather than reacting to it, thereby improving reliability through proactive protection.
3Reliability
If conventional pump drive devices are used, then cooling medium circulation is achieved, but medium purification and liquid-level monitoring are inadequate
Solution Approach 1:
The patent incorporates medium purification modules and liquid-level monitoring modules directly into the pump drive device. The purification modules filter and maintain cooling medium quality, while the monitoring modules continuously track liquid levels and provide alerts or automatic adjustments. By merging these monitoring and maintenance functions into the central pump drive unit, the patent ensures reliable operation without dispersing components across the system.
4Ease of manufacture
If the pump drive device is integrated with multiple functions, then device volume is reduced and manufacturing cost decreases, but device complexity increases
Solution Approach 1:
By consolidating multiple functional modules into a single integrated pump drive device, the patent reduces the total number of separate components that need to be manufactured, assembled, and installed. This merging approach lowers manufacturing costs through economies of scale and reduces installation space, while the modular internal structure manages the complexity of integration.
Solution Approach 2:
While the overall device is integrated, the internal structure employs segmentation by organizing distinct functional modules (driving, pressure stabilization, cavitation prevention, monitoring, purification) as separate but coordinated units within the compact housing. This segmentation allows for manageable complexity in design and manufacturing while achieving external compactness and cost efficiency.
Data Source
AI summary
A pump drive device includes a box body and at least one drive pump. A liquid-phase zone module is arranged in the box body, and the drive pump is arranged in the liquid-phase zone module. A pump drive device liquid inlet, a pump drive device liquid outlet, a liquid supply port, and an exhaust port are arranged on the box body and are located outside the liquid-phase zone module. The drive pump is connected to the pump drive device liquid outlet through a delivery pipe. The pump drive device has a simple structure and a reasonable design. The pump drive device integrates driving, pressure stabilization, exhaust, cavitation prevention, liquid-level monitoring and warning, pressure monitoring and warning, temperature monitoring and warning, medium purification, and other functions, which achieves an integration, miniaturization, and lightweight design, well matches the application of liquid cooling system products in various industries.