Server Heater Module for Cold-Start Power Isolation
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Solution Overview
Problem
Existing methods for heating computing devices in remote environments, such as cellular telecommunications equipment, are cumbersome and often require additional power supplies or operational circuitry, making them unsuitable for extreme temperature conditions.
Innovation Solution
A device heater module that can be slidably engaged within a server device, featuring a switch to disconnect and reconnect the power supply based on temperature measurements, allowing the device to maintain an operating temperature before powering on, thus eliminating the need for continuous heating or cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If prior heating approaches are used, then heating function is achieved, but device complexity increases due to additional power supplies and wiring
Solution Approach 1:
The computing device uses its own internal power supply to operate the heater, eliminating the need for external power supplies and additional wiring. The device powers itself during startup in cold environments by utilizing its existing power subsystem.
Solution Approach 2:
The power supply serves dual functions: it provides power to the heater during cold startup and subsequently powers the computing device itself, making the single power supply component perform multiple roles in the system.
2Temperature
If prior heating approaches are used, then heating function is achieved, but ease of operation deteriorates as the computing device must be alive to manage the heater
Solution Approach 1:
The heater is activated during the startup process before the operating system fully loads, warming the device in advance. This preliminary heating action occurs during the power-on self-test phase, allowing the device to reach operational temperature before full operation begins.
Solution Approach 2:
The computing device automatically manages its own heating process through firmware control during startup, eliminating the need for external management systems. The device self-regulates the heater operation based on its own temperature sensors and startup requirements.
3Temperature
If prior heating approaches are used, then heating function is achieved, but reliability decreases because circuitry must operate in extreme temperature conditions
Solution Approach 1:
The heater warms the computing device before full operation begins, ensuring that temperature-sensitive components are brought to acceptable operating temperatures before they are activated. This preliminary warming prevents thermal stress and ensures reliable operation of circuitry.
Solution Approach 2:
The startup process is segmented into phases: first the heater operates to warm the device, then the heater is deactivated, and finally the computing device completes its startup. This segmentation allows temperature management to be separated from general device operation, improving reliability.
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
Enables the safe and efficient startup of computing devices in extreme temperature conditions by ensuring they reach operational temperatures before powering on, reducing the risk of damage and improving reliability in remote deployments.
Implementation Method 1
The device heater module can include a heater configured to heat the device
Implementation Method 2
The device heater module can include a fan configured to move air through the device
Data Source
AI summary
A device heater module can be installed within a device such as a server, and can prevent the device from powering on while the temperature of the device is being restored to an operating temperature. The device heater module can prevent the device from powering on by operating a switch to disconnect the device from an external power supply. The device heater module can thereafter actively or passively modify the temperature of the device. After the temperature of the device is restored to within the operating temperature, the device heater module can operate the switch to reconnect the device to the external power supply, thereby allowing the device to initiate a boot process.