Optical Module Temperature Control via Dynamic Range Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Optical modules face challenges in maintaining accurate optical output across a wide temperature range while minimizing power consumption and reducing system size, particularly in environments with varying temperatures.
Innovation Solution
An optical module control method that detects the temperature of a semiconductor light emitting element and environmental temperature, adjusting the light emitting unit's temperature to match specific ranges to minimize power consumption and reduce system size, using an electronic cooling module and a heat dissipating system with a heat sink, fan, and heat pipe for efficient heat management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the temperature of the semiconductor light emitting element is strictly controlled within a narrow range to maintain accurate optical output, then optical output accuracy is improved, but power consumption increases due to continuous cooling operation
Solution Approach 1:
The patent applies dynamic temperature control by adjusting the target temperature range based on environmental conditions. When environmental temperature is high, the target temperature range is raised accordingly, allowing the cooling module to operate with reduced power consumption while still maintaining accurate optical output relative to the current environmental conditions.
Solution Approach 2:
The patent changes the temperature parameter dynamically based on environmental temperature measurements. The control unit adjusts the target temperature range as a function of environmental temperature, transforming the static temperature control approach into a dynamic one that adapts to changing conditions, thereby reducing power consumption while maintaining optical accuracy.
2Reliability
If a robust cooling system with large heat sink and high-power fan is used to maintain temperature stability, then temperature control reliability is improved, but system size increases
Solution Approach 1:
The patent implements dynamic operation of the cooling components based on actual thermal conditions. The control unit activates the fan and adjusts heat sink operation only when temperature thresholds are exceeded, rather than running them continuously at high capacity. This dynamic approach maintains temperature control reliability while significantly reducing the required size of cooling components.
Solution Approach 2:
The system uses environmental temperature detection to self-regulate cooling requirements. By monitoring environmental conditions and automatically adjusting cooling output accordingly, the system avoids over-provisioning cooling capacity, thereby reducing system size while maintaining sufficient temperature control reliability for the actual operating conditions.
3Use of energy by moving object
If the semiconductor light emitting element operates at higher temperatures to reduce cooling power, then power consumption decreases, but optical output accuracy deteriorates
Solution Approach 1:
The patent changes the target temperature parameter as a function of environmental temperature. When environmental temperature is high, the target temperature range is raised proportionally, allowing the light emitting element to operate at higher temperatures without compromising optical output accuracy relative to the current conditions. This parameter adaptation maintains the relationship between temperature and optical performance.
Solution Approach 2:
The system dynamically adjusts the acceptable temperature range based on environmental conditions rather than maintaining a fixed narrow range. This dynamic temperature range adaptation allows operation at higher temperatures in warm environments while still achieving accurate optical output for those conditions, thereby reducing cooling power consumption.
4Stability of the object's composition
If continuous temperature monitoring and active cooling are implemented to maintain stable operation, then operational stability is improved, but power consumption increases
Solution Approach 1:
The patent implements periodic temperature monitoring rather than continuous monitoring, with the control unit checking temperatures at intervals and activating cooling only when necessary. This periodic action maintains operational stability by detecting temperature drifts while significantly reducing power consumption compared to continuous active cooling.
Solution Approach 2:
The system uses passive temperature monitoring combined with on-demand active cooling. The monitoring continues to provide stability information, but the cooling action is only activated when temperature thresholds are exceeded, allowing the system to maintain operational stability while minimizing power consumption through selective rather than continuous cooling.
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 method effectively reduces power consumption and system size by optimizing temperature adjustments and heat dissipation, ensuring consistent optical output across a wide temperature range.
Implementation Method 1
a light emitting unit temperature detector configured to detect a temperature of the light emitting unit
Implementation Method 2
an environmental temperature detector configured to detect a temperature of environment where the light emitting unit is placed
Implementation Method 3
an electronic cooling module configured to adjust a temperature of the semiconductor light emitting element
Implementation Method 4
a heat dissipating system with a heat sink, fan, and heat pipe for efficient heat management
Implementation Method 5
a heat dissipating system with a heat sink, fan, and heat pipe for efficient heat management
Implementation Method 6
a heat dissipating system with a heat sink, fan, and heat pipe for efficient heat management
Implementation Method 7
a heat dissipating system with a heat sink, fan, and heat pipe for efficient heat management
Data Source
AI summary
An optical module control method is a method for controlling an optical module that includes a semiconductor light emitting element and an electronic cooling module configured to adjust a temperature of the semiconductor light emitting element. The optical module control method includes a step of detecting a temperature of a light emitting unit including the semiconductor light emitting element, and outputting temperature information of the semiconductor light emitting element; a step of detecting an environmental temperature and outputting temperature information of the environmental temperature, the environmental temperature being a temperature of environment where the light emitting unit is placed; and a step of controlling an output of the electronic cooling module on the basis of the temperature information of the semiconductor light emitting element and the temperature information of the environmental temperature, and adjusting the temperature of the light emitting unit.