Hot-Swappable Workstation Power Supply Without Fan Cooling
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Solution Overview
Problem
Existing medical workstation power systems suffer from inefficient, interrupted, and unreliable power delivery, often relying on fans that can contaminate the medical environment and require frequent battery replacement, leading to downtime and increased costs.
Innovation Solution
A power system with hot swappable long-life batteries, electronic circuitry for status communication, and internal charge circuitry, capable of delivering power from multiple sources without fans, ensuring continuous operation and maintaining thermal tolerances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If fans are used to cool batteries in medical workstations, then thermal management is improved, but contamination risk to the medical environment increases
Solution Approach 1:
The patent removes the fan component from the battery cooling system entirely. Instead of using active air movement, the system relies on passive thermal management through thermal coupling between battery cells and the device housing, which naturally dissipates heat without introducing contaminants into the medical environment.
Solution Approach 2:
The battery system self-regulates temperature through thermal conduction to the housing structure. The housing acts as a heat sink, and the system uses its own structural components for thermal management without requiring external active cooling mechanisms that could introduce contamination.
2Device complexity
If fixed mounted batteries are used in workstations, then structural simplicity is improved, but operational reliability deteriorates due to user failure to charge
Solution Approach 1:
The patent transitions from a static fixed battery mounting system to a dynamic hot-swappable system. The battery can be removed and replaced while the device is operational, allowing continuous operation by swapping depleted batteries with charged ones. This dynamic capability ensures power continuity regardless of user charging habits.
Solution Approach 2:
The system enables preliminary charging of replacement batteries outside the device. Users can charge spare batteries in advance using external power sources, ensuring that charged replacement batteries are ready before needed. This eliminates downtime by having pre-charged batteries available for immediate swap.
3Ease of manufacture
If short-life batteries are used in medical workstations, then initial cost is reduced, but operational efficiency deteriorates due to frequent replacement
Solution Approach 1:
The hot-swappable battery system allows rapid replacement of depleted batteries with charged ones, transforming the operational model from sequential (one battery at a time) to parallel (multiple batteries in rotation). This maintains high workstation availability even with multiple battery units, offsetting the higher initial cost through improved productivity.
Solution Approach 2:
The system ensures continuous operational capability by maintaining multiple batteries in different charge states. While one battery is in use, another can be charged or replaced, eliminating idle time and ensuring the workstation remains continuously available for medical tasks.
4Reliability
If multiple power sources are integrated, then power reliability is improved, but system complexity increases
Solution Approach 1:
The power system is designed with universal interfaces and control logic that can manage multiple battery units and external power sources through a unified architecture. The same charging circuitry and control system handle both internal battery charging and external power input, reducing the complexity increase that would normally accompany multi-source integration.
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
Delivers efficient, uninterrupted, and reliable power to medical workstations while minimizing contamination risks and reducing downtime, enhancing battery life and system reliability.
Implementation Method 1
one or more cradles or mounting fixtures to receive at least one energy storage device
Implementation Method 2
said power supply capable of receiving input power from an external AC or DC power source
Data Source
AI summary
Power systems and methods of using the same to deliver power. A power system referenced herein can include a housing capable of attaching to a workstation, one or more cradles or mounting fixtures to receive at least one energy storage device, electronic circuitry to communicate status of the at least one energy storage device, state of charge of the at least one energy storage device, and/or overall health of the at least one energy storage device, and one or more electrical connectors to allow the at least one energy storage device to charge and/or discharge and communicate with the electronic circuitry, with said housing having an internal power supply and charge circuitry, said power supply capable of receiving input power from an external AC or DC power source; wherein the power system is configured to deliver power to the workstation.