Vibration Motor Coil Support Structure for Faster Winding
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Solution Overview
Problem
Existing vibration motors face issues with coil deformation and slow winding speed due to the hollow coil support, which is difficult to control and limits the efficiency of coil assembly.
Innovation Solution
A vibration motor design featuring a casing with an accommodating space, a vibrator assembly connected via elastic members, and a stator assembly that provides a driving force, with a coil nested outside an adhesive layer on a skeleton structure, allowing for improved winding speed and insulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a hollow coil support is used to accommodate the vibrator assembly, then the vibrator assembly can be housed, but the coil support is easy to deform during winding and the outline of the coil is difficult to control
Solution Approach 1:
The coil support is divided into two separate components: a skeleton that provides structural support and an adhesive layer that provides accommodation and fixation. This segmentation allows the skeleton to maintain rigidity for precise coil winding while the adhesive layer provides the necessary accommodation space and flexible fixation for the vibrator assembly.
Solution Approach 2:
An adhesive layer is introduced as an intermediary between the skeleton and the coil/vibrator assembly. This adhesive layer serves as a mediator that provides both structural support and accommodation, allowing the coil to be wound precisely on the rigid skeleton while accommodating the vibrator assembly through the flexible adhesive material.
2Ease of manufacture
If the coil is wound on the coil support, then the coil can be assembled, but the winding speed is slow due to the hollow structure and single-layer winding limitation
Solution Approach 1:
The coil winding process transitions from single-layer to multi-layer winding by utilizing the adhesive layer as an additional dimensional space. The coil can be wound in multiple layers on the adhesive layer surface, significantly increasing the winding speed and productivity while maintaining ease of manufacture through the flat, accessible winding surface.
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 prevents coil deformation during winding, enhances winding efficiency, and provides excellent insulation performance by keeping the coil separate from metal, reducing the risk of short circuits.
Implementation Method 1
elastic members; a vibrator assembly movably connected to the casing via the elastic member
Implementation Method 2
a stator assembly fixed to the casing and configured to provide a driving force for the vibrator assembly to move along a vibration direction
Data Source
AI summary
The present application provides a vibration motor, including a casing with an accommodating space, a vibrator assembly, a stator assembly, and elastic members accommodated in the accommodating space. The stator assembly is fixed to the casing, and the vibrator assembly is movably connected to the casing through elastic members. The vibrator assembly includes a support assembly having two ends fixedly connected to corresponding elastic members, and the stator assembly is fixed to the casing. The support assembly includes a skeleton and an adhesive layer at least partially covered on an outer side of the skeleton. The vibrator assembly further includes a coil nested outside the adhesive layer, and the stator assembly is configured to provide a driving force for the vibrator assembly to move along a vibration direction.