Integrated Motor Base Heat Dissipation Module

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Solution Overview

Problem

Conventional motor structures face challenges in heat dissipation and assembly complexity due to separate components, which increase labor and cost, and hinder miniaturization.

Innovation Solution

An integrally formed motor base with a heat dissipation module, using over molding or insert molding to combine the motor base and heat dissipation module into one piece, providing structural support and effective heat dissipation while simplifying assembly and reducing redundant components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If heat sinks are fixed on the motor main body through fastening elements, then heat dissipation function is improved, but assembly process becomes time-consuming and structure complexity increases

Engineering Contradiction:
Improveheat dissipationVSAvoidassembly process complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The patent merges the heat sink and motor base into a single integrated component. The heat dissipation module is formed as one piece with the motor base through overmolding or insert molding, eliminating the need for separate fastening elements and reducing assembly steps while maintaining effective heat dissipation functionality

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If waterproof and insulating accessories are additionally designed with matching holes, then waterproof effect is improved, but assembly process becomes more labor intensive and cost increases

Engineering Contradiction:
Improvewaterproof effectVSAvoidassembly labor intensity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The waterproof and insulating accessories are integrated into the motor base through overmolding or insert molding processes. The matching holes and accessory structures are formed directly during the molding process, eliminating separate assembly steps and reducing labor intensity while maintaining waterproof effectiveness

Inventive Principle:
Principle #5Merging (Combining)

3Temperature

If heat sinks and waterproof accessories are added to the motor main body, then heat dissipation and waterproofing are improved, but miniaturization of the entire structure becomes more difficult

Engineering Contradiction:
Improveheat dissipation capabilityVSAvoidmotor structure size
Core Design Contradiction:
TemperatureVSVolume of moving object

Solution Approach 1:

The heat sink is merged with the motor base to form an integrated heat dissipation module. This integration allows the heat dissipation structures to be optimally positioned within the motor's existing volume without requiring additional external space, enabling effective heat dissipation while maintaining compact dimensions

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The heat dissipation structures are strategically positioned in specific regions of the motor base where they can maximize thermal management efficiency without occupying excessive space. The integrated design allows local optimization of heat dissipation pathways within the constrained volume

Inventive Principle:
Principle #3Local quality

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

This solution enhances heat dissipation, structural support, and assembly efficiency, achieving waterproofing, dustproofing, and protection while allowing for a more compact design.

Implementation Method 1

The thermal conductivity of the heat dissipation module is greater than the thermal conductivity of the motor base

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentUS10916994B2Motor structure
Publication Date: 2021.02.09 DELTA ELECTRONICS INC(CN)
  • US10916994B2 patent drawing
  • US10916994B2 patent drawing
  • US10916994B2 patent drawing

AI summary

The present invention provides a motor structure including a heat dissipation module, a motor base, a circuit board, a rotor and a winding set. The heat dissipation module has a first side and a second side opposite to each other. The motor base is connected to the heat dissipation module. The first side and the second side are uncovered. The thermal conductivity of the heat dissipation module is greater than that of the motor base. The circuit board is disposed on the first side. The rotor is disposed on the second side. The winding set is disposed on the second side and electrically connected to the circuit board to drive the rotor to rotate. By integrating the motor base and the heat dissipation module into one piece, the assembly process is simplified, and the use of components is eliminated. It benefits to achieve the effects of waterproofing, dustproof and protection.