Fiber Optic Bus With Co-Packaged Modules to Avoid Signal Attenuation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing signal transmission methods using copper wires in battery management systems and intelligent robotics result in increased weight and cost, while optical fiber solutions suffer from signal attenuation issues.
Innovation Solution
An optical transmission system utilizing optoelectronic co-packaged modules that convert optical signals to electrical signals and back, reducing weight and eliminating electromagnetic interference by using a fiber optic transmission bus with optoelectronic co-packaged modules at each node.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If copper wires are used for signal transmission in battery management systems and intelligent robotics, then electromagnetic interference isolation is required, but weight and material cost increase significantly
Solution Approach 1:
The patent replaces traditional copper wire electrical signal transmission with optical fiber optical signal transmission. This substitution eliminates the need for electromagnetic shielding structures entirely, as optical signals are immune to electromagnetic interference. The result is dramatic weight reduction while maintaining electromagnetic interference isolation, directly resolving the technical contradiction.
2Weight of moving object
If optical fibers are used to replace signal wires, then weight is reduced and electromagnetic interference is isolated, but signal attenuation occurs at optical coupling and branching devices
Solution Approach 1:
The patent introduces optoelectronic co-packaged modules as intermediary devices at each node terminal. These modules convert optical signals to electrical signals for local processing, then convert back to optical signals for transmission. This intermediary conversion approach eliminates the signal attenuation problem at optical coupling and branching devices while maintaining the weight reduction and electromagnetic interference isolation benefits of optical fiber transmission.
3Ease of operation
If a large number of signal wires are used to connect node terminals, then communication between devices is achieved, but manufacturing cost and system complexity increase
Solution Approach 1:
The patent implements a universal optical fiber transmission bus that can connect multiple node terminals simultaneously. Each node terminal is equipped with an optoelectronic co-packaged module that provides multi-functional capabilities including optical-to-electrical conversion, signal processing, and electrical-to-optical conversion. This universal architecture reduces the overall number of connection wires needed while maintaining full communication capability between all devices, thereby reducing manufacturing cost and system complexity.
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
Achieves high transmission efficiency, quality, and capacity with reduced physical weight and no electromagnetic interference, while avoiding signal attenuation.
Implementation Method 1
optoelectronic co-packaged modules that convert optical signals to electrical signals and back
Data Source
AI summary
The present invention relates to an optical transmission system to transmit signals by optoelectronic co-packaged modules, comprising a fiber optic transmission bus, several optoelectronic co-packaged modules and several node terminals, wherein optoelectronic co-packaged module corresponds to the node terminals one to one, and several signal transmission nodes is provided on the fiber optic transmission bus, and the location of each of the signal transmission nodes is provided with the optoelectronic co-packaged module, and the optoelectronic co-packaged module is connected with the node terminals, and the bus optical signal is transmitted in the fiber optic transmission bus.