Fluid Circulation Pump Motor with Rotatable Electrical Part
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Solution Overview
Problem
Existing fluid circulation pumps face challenges in environments with limited space for electrical connections, where the orientation of connection means and cables complicates the connection process, and there is a risk of accidental separation of the pump components during operation.
Innovation Solution
The pump design allows for adjustable electrical connection means, including an external electrical connector or lid, and a stop system to prevent premature rotation, enabling easy alignment and tool-free fastening, ensuring safe and efficient maintenance without the need for tools to undo the electrical part.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electrical part is fixed to the mechanical part with multiple fastening means arranged in a circular pattern, then the fixing strength and reliability are improved, but the space required for electrical connections and the complexity of alignment increase
Solution Approach 1:
The circular arrangement of fastening means is segmented into multiple discrete fixing points around the perimeter, allowing the electrical part to be secured with reliable multi-point attachment while maintaining rotational adjustability for alignment purposes
Solution Approach 2:
The electrical part is designed to be rotatable relative to the mechanical part before final fixation, allowing dynamic adjustment of the electrical connection orientation to match the installation environment, then locked in position through the circular fastening system
2Reliability
If the electrical part is made larger to accommodate multiple fastening means, then the fixing reliability is improved, but the overall pump size and space requirements increase
Solution Approach 1:
The fastening means are arranged in a circular pattern around the perimeter of the electrical part, utilizing the circumferential dimension rather than increasing the radial or axial dimensions, thereby maintaining compact overall size while providing multiple reliable attachment points distributed around the interface
3Adaptability or versatility
If the electrical connection means are oriented to fit limited installation spaces, then the adaptability to installation environments is improved, but the alignment and connection complexity increase
Solution Approach 1:
The electrical part incorporates rotational freedom relative to the mechanical part, enabling the electrical connection terminals to be oriented in different directions to match various installation environments, while the circular fastening system maintains simplicity by using a consistent perimeter-based attachment method regardless of orientation
Data Source
Figure 1~2
Figure 3a~4
AI summary
The invention relates to a fluid circulation pump (2) comprising a body (4) and an electric motor (9) fixed to each other, said motor comprising two distinct parts: - a mechanical part (11) containing a rotor, and - an electrical part (20) containing a stator, characterized in that the two parts are mounted free to rotate relative to each other.