Compact Fluid Transfer Pump Layout for Battery Life and Cooling
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Solution Overview
Problem
Existing battery-powered fluid transfer pumps face issues such as large size, heavy weight, complex structure, short battery life, and low heat dissipation efficiency, which hinder their portability and effectiveness.
Innovation Solution
A fluid transfer pump design featuring a compact structure with a speed change mechanism, improved heat dissipation through a fan system, and a power supply compartment arrangement that optimizes space utilization and battery life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a battery-powered fluid transfer pump is used to achieve portability, then the pump can be moved freely, but the size and weight increase significantly
Solution Approach 1:
The pump is divided into modular components: a separate battery pack, motor assembly, and pump housing. This segmentation allows for optimized weight distribution and enables selective replacement of components, reducing the overall weight while maintaining portability.
Solution Approach 2:
The battery pack is designed with a compact, space-efficient configuration that utilizes vertical space within the housing. The motor assembly is positioned to leverage the existing structural dimensions, reducing the overall footprint and weight without compromising portability.
2Volume of moving object
If the pump structure is made compact to reduce size, then portability improves, but the structural complexity increases
Solution Approach 1:
The motor assembly and pump housing are merged into a single integrated unit with shared structural components. The battery pack interface is designed to snap-fit directly onto the housing, eliminating the need for separate mounting structures and reducing overall complexity.
Solution Approach 2:
The housing structure serves multiple functions simultaneously: it protects internal components, provides mounting surfaces for the motor and battery, and acts as the external interface for connections. This multi-functionality reduces the need for additional structural elements, simplifying the overall design.
3Duration of action of moving object
If the battery capacity is increased to prolong battery life, then operating duration extends, but the weight and size increase
Solution Approach 1:
The battery pack is designed with interchangeable modules that can be swapped based on operational requirements. This allows users to optimize between weight and battery life by selecting appropriate battery capacities, rather than being locked into a single fixed configuration.
Solution Approach 2:
The battery management system dynamically adjusts power delivery based on real-time conditions, optimizing energy consumption to maximize operating duration from the available battery capacity without requiring excessive battery size or weight.
4Productivity
If the motor power is increased to improve pumping performance, then productivity increases, but heat dissipation requirements increase
Solution Approach 1:
A dedicated heat dissipation component acts as an intermediary between the motor and the external environment. This component includes thermal management features such as heat sinks, ventilation channels, and thermal conductive materials that facilitate efficient heat transfer from the motor to the surrounding air.
Solution Approach 2:
The motor assembly incorporates electronic cooling systems that replace traditional mechanical cooling methods. This includes electronically controlled fans or pumps that regulate airflow or fluid circulation through the motor, optimizing heat dissipation based on real-time thermal conditions.
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 design achieves a more portable, efficient, and durable fluid transfer pump with extended battery life and enhanced heat dissipation, reducing size and energy consumption while maintaining performance.
Implementation Method 1
an electric motor assembly (300), used to drive the impeller (230) to rotate around an axis L1 of the impeller
Implementation Method 2
improved heat dissipation through a fan system
Data Source
AI summary
A fluid transfer pump comprises: a housing, a pump unit, an electric motor assembly, a power supply mounting base, and a speed change mechanism, wherein the pump unit comprises an impeller; the electric motor assembly is used to drive the impeller to rotate around an axis of the impeller; the power supply mounting base is used to receive a power supply for supplying electricity to the pump unit; and the speed change mechanism is arranged between the pump unit and the electric motor assembly. The power supply mounting base is arranged in a power supply compartment; and the pump unit, the speed change mechanism, the electric motor assembly, and the power supply compartment are successively arrayed in an extension direction of the axis of the impeller.