Transceiver Extension Device for Thermal Management
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Solution Overview
Problem
Optical communication transceivers in enclosures are prone to overheating due to direct heat transfer from internal components, which can lead to temperature rises above 85°C, risking device failure and requiring bulky heat sink fins for cooling.
Innovation Solution
A transceiver extension device that positions the transceiver outside the enclosure, using an extension cage and connector to maintain signal transmission while employing a housing with heat sink fins and thermal pads for efficient heat dissipation, thereby preventing direct heat exposure and maintaining a stable temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the transceiver is mounted inside the enclosure cage, then the device structure is compact and simple, but the transceiver temperature rises above 85°C due to direct heat transfer from internal components
Solution Approach 1:
The transceiver is extracted from the internal cage and relocated to an external extension cage. The extension connector separates the transceiver mounting function from the main enclosure, allowing the transceiver to be positioned outside the heat-generating environment while maintaining electrical and mechanical connections through the extension connector and circuit board.
2Temperature
If heat sink fins are added to the enclosure to cool the transceiver, then the transceiver temperature is maintained below 85°C, but the enclosure becomes bulky and complex
Solution Approach 1:
The heat dissipation function is extracted from the main enclosure by relocating the transceiver to an external extension cage. This eliminates the need for bulky heat sink fins in the enclosure, as the transceiver is positioned outside the heat-generating environment. The extension cage itself serves as a heat dissipation structure with its own surface area exposed to ambient air.
Solution Approach 2:
The solution moves the transceiver from the internal three-dimensional space to an external extension, utilizing the spatial dimension outside the enclosure. This dimensional relocation allows heat dissipation through the extension cage surfaces without requiring additional volume within the enclosure.
3Device complexity
If the transceiver is positioned inside the enclosure, then signal transmission is direct and simple, but the transceiver is exposed to direct heat transfer from FPGA and other internal components
Solution Approach 1:
The extension connector and extension circuit board serve as intermediaries between the transceiver and the main enclosure. These components transmit electrical signals while providing thermal isolation, acting as a mediator that maintains signal transmission functionality while blocking direct heat transfer from internal components like the FPGA to the transceiver.
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 transceiver extension device effectively reduces the transceiver's operating temperature by 7°C or more, preventing overheating and maintaining device integrity, while avoiding bulkiness through external heat management.
Implementation Method 1
employing a housing with heat sink fins and thermal pads for efficient heat dissipation
Implementation Method 2
employing a housing with heat sink fins and thermal pads for efficient heat dissipation
Implementation Method 3
employing a housing with heat sink fins and thermal pads for efficient heat dissipation
Data Source
AI summary
Some embodiments of the present disclosure provide a transceiver extension device. A transceiver extension device is provided for connection with an enclosure including a cage for a circuit board and a transceiver. The transceiver extension device includes an extension cage configured to accommodate the transceiver, an extension connector configured to be inserted into the cage of the enclosure, and an extension circuit board configured to transmit a signal of a second transceiver to the circuit board in the enclosure.