Linear Motor Stator Assembly With Integrated Cooling Water Channel
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Solution Overview
Problem
Linear motors suffer from poor heat dissipation due to separate cooling channels that fail to effectively exchange heat with the rotor stator, leading to increased parts and costs.
Innovation Solution
Integrate a cooling water channel within the stator mandrel, with a larger cross-sectional area than the water channel opening, to enhance heat exchange with the winding component and reduce the number of parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a separate cooling channel is added to the linear motor, then heat dissipation capability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The cooling channel is integrated directly into the stator mandrel structure, merging the cooling function with the stator assembly. This eliminates the need for separate cooling components while maintaining effective heat dissipation capability.
Solution Approach 2:
The stator mandrel serves dual functions: it provides structural support for the winding component and simultaneously acts as a cooling channel carrier. This multi-functionality reduces overall device complexity while improving heat dissipation.
2Temperature
If a separate cooling channel is added to the linear motor, then heat dissipation capability is improved, but manufacturing cost increases
Solution Approach 1:
The cooling channel is formed as an integral part of the stator mandrel during the same manufacturing process, eliminating the need for separate cooling component fabrication and assembly. This reduces manufacturing steps and overall cost.
Solution Approach 2:
The cooling channel cross-sectional area is designed to be larger than the water channel opening area, optimizing heat exchange efficiency. This parameter optimization improves cooling performance without requiring complex additional structures.
3Temperature
If the cooling channel cross-sectional area is increased, then heat exchange efficiency is improved, but device complexity increases
Solution Approach 1:
The cooling channel cross-sectional area is locally increased at specific positions where heat exchange with the winding component is most needed. This localized optimization improves heat exchange efficiency without uniformly increasing device complexity throughout the entire structure.
Solution Approach 2:
The cooling channel cross-sectional area parameter is optimized to be larger than the water channel opening area, creating favorable conditions for heat exchange. This parameter change is achieved through straightforward geometric design rather than complex mechanisms.
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
Improves heat dissipation and operational reliability while reducing manufacturing costs by integrating the cooling function into the stator assembly.
Implementation Method 1
the first cooling water channel exchanges heat with the winding component
Implementation Method 2
the first cooling water channel exchanges heat with the winding component
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The present invention discloses a stator assembly, a linear motor, a suspension system and a vehicle. The stator assembly includes: a stator mandrel and a winding component. The stator mandrel includes a mandrel wall. The mandrel wall is internally provided with a cooling water channel extending along its axial direction, and the mandrel wall is provided with a water channel opening thereon, where the water channel opening is in communication with a first end of the cooling water channel. The winding component is sleeved on an outer periphery of the stator mandrel. The cooling water channel includes a first cooling water channel, where the first cooling water channel exchanges heat with the winding component, and at least of a part of the first cooling water channel has a cross-sectional area that is greater than the area of the water channel opening. The stator assembly designed according to the present invention has fewer parts, good heat dissipation effect, and reliable operation.