Electrical Docking Station Locking Layout for Arc-Safe Power Transfer
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Solution Overview
Problem
Traditional electrical docking stations pose safety risks due to accidental arcing when disconnecting generator connectors from energized stations and have complex access to utility wires, requiring additional equipment for stability.
Innovation Solution
A compact electrical docking station design with access-controlled compartments and side-by-side positioning of utility and generator power connectors, featuring an electro-mechanical locking mechanism and Automatic Transfer Switch (ATS) for safe switching between power sources, along with an alarm system for safety alerts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional electrical docking stations are designed with utility wires positioned behind generator connectors, then the electrical system can function, but access to utility wires becomes complicated and the docking station requires extra equipment for stability
Solution Approach 1:
The patent repositions utility wires and generator connectors from a front-to-back arrangement to a side-by-side arrangement within the cabinet. This spatial reconfiguration in another dimension allows both components to be easily accessible without requiring the docking station to be deeper or require additional support equipment.
2Reliability
If traditional electrical docking stations use simple warning signs, then the design remains simple, but safety risks from accidental arcing cannot be effectively prevented
Solution Approach 1:
The electro-mechanical locking mechanism is designed to automatically lock the generator connection compartment door before any electrical connection can be made. This preliminary locking action prevents accidental arcing by ensuring the door remains closed and secured during energized operations, eliminating the need for operator reliance on warning signs alone.
Solution Approach 2:
The locking mechanism acts as an intermediary between the operator and the electrical components. It mediates access to the generator connectors by requiring proper sequencing (locking before connection, unlocking after disconnection), thereby preventing unsafe operations without adding complex control systems.
3Reliability
If the generator connection compartment door is kept accessible during operation, then ease of operation is maintained, but accidental disconnection and arcing risks increase
Solution Approach 1:
The system requires the door to be locked in place before electrical connection can occur. This preliminary locking action ensures the door remains securely closed during all energized operations, preventing accidental disconnection while maintaining ease of operation through automated control rather than manual intervention.
Solution Approach 2:
The locking mechanism is self-regulating through its electro-mechanical design. It automatically engages when the door is closed and remains locked during operation, then automatically unlocks when operation completes. This self-service behavior eliminates the need for complex interlocks or manual safety procedures.
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 a safe, reliable, and accessible electrical docking station that prevents accidental arcing, simplifies access for maintenance, and reduces the need for additional equipment by ensuring secure and efficient switching between generator and utility power.
Implementation Method 1
an electro-mechanical locking mechanism configured to lock the generator connection compartment door when in a closed position while the ATS is energized by a generator
Implementation Method 2
the alarm can provide an audible alarm
Implementation Method 3
the alarm can shine a confirmation color (e.g., green) or warning color (e.g., red)
Data Source
AI summary
Systems and apparatuses for access-controlled electrical docking stations that automatically switch power to an electrical system between generator power and utility power are disclosed herein. An illustrative electrical docking station can include a cabinet that houses a circuit breaker, a generator interface to connect generators to the electrical docking station, an Automatic Transfer Switch, and a power supply. The power supply can supply converted DC power and protection to different accessories for the electrical docking station including an alarm, a supervisory control and data acquisition (SCADA), and a locking mechanism. The locking mechanism can be configured to lock a door to the generator connectors in a closed position when the ATS is energized by a generator and to not lock the door when the door is in an open position. In some such circumstances, the alarm can shine green or provide an audible alarm and shine red respectively.