Battery Connector Signal Contact for Pre-Disconnect Power Down
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Solution Overview
Problem
Information handling systems lack an efficient mechanism for powering down components before battery disconnection, leading to potential data loss and system instability.
Innovation Solution
A battery connector and receptacle system with a signal pin structure that transitions between open and closed positions, providing power down signals to components when disconnected, ensuring adaptive powering down of information handling system components before battery disconnection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the battery connector is directly disconnected from the battery receptacle, then the disconnection operation is simple and quick, but the system components remain powered on causing data loss and system instability
Solution Approach 1:
The connector is segmented into distinct functional components: power pins for electrical power transmission and a separate signal pin structure contact for control signaling. This segmentation allows the power connection and control signal to be independently managed, enabling the system to receive a power down signal before physical disconnection occurs.
Solution Approach 2:
The signal pin structure contact is designed to open before the power pins disconnect when the connector is removed. This preliminary action delivers a power down signal to the system components before power is actually cut off, allowing for orderly shutdown and preventing data loss while maintaining system stability.
2Loss of information
If power is cut immediately upon battery disconnection, then the power management response is fast, but components cannot power down properly leading to data loss
Solution Approach 1:
The signal pin structure contact acts as an intermediary between the physical disconnection event and the power cutoff. It transmits a power down signal that mediates the transition, giving components advance notice to save data and shut down properly before the actual power is cut, thus preventing data loss while maintaining acceptable response timing.
3Reliability
If a signal pin structure contact is added to provide power down signals, then component protection is improved, but the connector complexity increases
Solution Approach 1:
The signal pin structure contact is merged with the existing connector assembly rather than being a separate component. It is integrated into the connector housing and moves together with the power pins, providing component protection through an unified structure that does not significantly increase overall device complexity.
Data Source
AI summary
A connector in an information handling system includes a battery connector, a battery receptacle, and a signal pin structure contact. The battery connector includes a first set of power pins and a first set of signal pins. The battery receptacle includes a second set of power pins and a second set of signal pins. The first and second sets of power pins are coupled together when the battery connector is inserted within the battery receptacle. The signal pin structure contact transitions between an open position and a closed position. The signal pin structure contact couples the first and second sets of signal pins when the signal pin structure contact is in the closed position. A power down signal is provided to components of the information handling system when the signal pin structure contact is in the open position.