Motor Control Center Orientation Bucket Positioning
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Solution Overview
Problem
Industrial control houses face challenges in maximizing walkway dimensions due to the size and weight limitations of motor control centers, which restrict operator accessibility and maintenance within the control house.
Innovation Solution
The design incorporates orientation buckets that can be moved among multiple positions to allow operators to perform tasks like powering, testing, and disconnecting components without removing them from the motor control center, while cabinet panel doors are positioned to maintain a desirable walkway width, even when open.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If motor control center size and weight are reduced to maximize walkway dimensions, then operator accessibility and maintenance capability deteriorate
Solution Approach 1:
The orientation bucket is designed with movable positions that allow it to dynamically adjust between extended and retracted states. The bucket can be positioned at multiple locations along its travel path, enabling operators to access components at different depths without requiring the entire bucket structure to be permanently extended, thus maintaining walkway space while preserving accessibility.
Solution Approach 2:
The orientation bucket utilizes the depth dimension (extending from the motor control center face) to provide access to electrical components. By allowing the bucket to extend into the walkway space temporarily during operation and then retract, the design effectively uses the third dimension to resolve the conflict between walkway area and operational accessibility.
2Ease of repair
If orientation buckets are permanently extended to enable maintenance without removal, then walkway width is reduced
Solution Approach 1:
The orientation bucket is designed as a dynamic component that can be extended to maintenance positions when needed and then retracted to a stored position. This dynamic capability allows full maintenance access to electrical components without the bucket permanently occupying walkway space, thus maintaining both maintenance capability and adequate walkway width.
Solution Approach 2:
The orientation bucket is positioned in advance to various predetermined locations along its travel path that correspond to different maintenance needs. Operators can move the bucket to the appropriate position before performing maintenance tasks, eliminating the need to remove the bucket entirely while minimizing the time the bucket occupies walkway space.
3Adaptability or versatility
If multiple bucket positions are provided for coupling and decoupling contacts, then device complexity increases
Solution Approach 1:
The orientation bucket employs a straightforward linear travel mechanism with multiple predetermined stopping positions along its path. Each position corresponds to a specific operational state (coupled or decoupled from contacts). This dynamic linear positioning system provides operational flexibility without requiring complex multi-axis mechanisms, maintaining relative simplicity while achieving versatility.
Data Source
AI summary
A control house includes a motor control center. The motor control center includes a body, and the body includes a face. The motor control center also includes a first orientation bucket that is configured to be disposed at least partially within the body at a first plurality of positions. The first position of the first plurality of positions extends a first distance from the face, and the first position of the first plurality of positions is configured to couple the first orientation bucket to first contacts. A second position of the first plurality of positions extends a second distance from the face that is greater than the first distance, and the second position of the first plurality of positions is configured to decouple the orientation bucket from the first contacts. Additionally, the second distance is less than or equal to 160 millimeters.