Modular Motor Drive Housing With Interchangeable Frame Adapters
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Solution Overview
Problem
Existing motor-drive systems are inflexible and costly due to being designed for specific motor sizes, leading to inventory inefficiencies and limited compatibility with different motor sizes, resulting in increased costs and reduced flexibility in industrial automation systems.
Innovation Solution
A drive module with a uniform housing containing power and control circuitry that converts DC power to three-phase controlled frequency AC power, coupled with an adapter that can be sized according to various motor frame sizes, allowing for compatibility with a range of motors and enabling interchangeable configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If motor-drives are designed for specific motor sizes, then reliability is improved, but adaptability deteriorates
Solution Approach 1:
The motor-drive system is segmented into a universal drive module and interchangeable adapter components. The adapter acts as an interface layer between the standardized drive module and various motor sizes, allowing the core drive module to remain unchanged while adapting to different motors through simple adapter attachments.
Solution Approach 2:
An adapter component serves as an intermediary element between the drive module and the motor. This adapter translates between the standardized connection interface of the drive module and the varying connection requirements of different motor sizes, enabling compatibility without compromising the reliability of the core drive module.
2Manufacturing precision
If motor-drives are designed for specific motor sizes, then manufacturing precision is improved, but device complexity deteriorates
Solution Approach 1:
The drive module is designed with universal functionality to work with multiple motor sizes through standardized interfaces. This eliminates the need to manufacture different drive modules for each motor size, reducing device complexity while maintaining manufacturing precision through standardized production processes.
Solution Approach 2:
The system transitions from static, size-specific drive module designs to a dynamic configuration where a single drive module can adapt to different motor sizes through interchangeable adapters. This dynamic approach reduces the number of unique components needed while maintaining precise manufacturing standards.
3Adaptability or versatility
If multiple motor-drive variants are maintained for different motor sizes, then adaptability is improved, but loss of substance deteriorates
Solution Approach 1:
By segmenting the adaptation function into separate, interchangeable adapter components, the system avoids duplicating the entire drive module for each motor size. Only the small adapter components need to be varied and inventoried, significantly reducing material consumption compared to maintaining multiple full drive module variants.
Solution Approach 2:
The modular adapter design allows for easy replacement and reuse. When adapting to different motor sizes, only the adapter needs to be changed while the main drive module is retained and reused, reducing waste of valuable electronic components and materials.
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 solution provides flexibility and cost reduction by allowing a single drive module to be compatible with multiple motor sizes through interchangeable adapters, reducing inventory needs and manufacturing costs while maintaining efficient motor control operations.
Implementation Method 1
The power circuitry may convert incoming DC power to three-phase controlled frequency AC power and may supply the three-phase controlled frequency AC power to the motor
Data Source
AI summary
The present disclosure includes drive modules for motor-drive assemblies of an industrial automation system. The drive modules may include a housing having a cavity and may also include power circuitry and control circuitry. The power circuitry may convert input DC power to three-phase controlled frequency AC power and may supply the three-phase controlled frequency AC power to a motor. The control circuitry may apply control signals to control operation of the motor. The drive module may also include an adapter that couples to a first end of the housing and couples the housing to the motor. The adapter may be removable and sized according to a frame size of the motor such that the drive module is compatible with the motor. The housing may be independent of the frame size of the motor. As such, the housing may be interchangeable for any motor frame size and/or motor power.