Fiber Optic Junction Box Strain Relief for Cable Adaptability
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Solution Overview
Problem
Existing fiber optic connection boxes lack effective strain relief mechanisms for securing fiber optic cables and adaptability to different cable sizes and types, leading to potential mechanical damage and environmental exposure.
Innovation Solution
A connection box with a strain relief device featuring a clamping element and holding structure for fiber optic cable sheaths, combined with adaptable seals and cable ties for secure fixation and protection, allowing easy installation and flexibility for various cable configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional connection boxes without strain relief devices are used, then the device complexity is reduced, but the reliability of fiber optic connections deteriorates due to potential mechanical damage and environmental exposure
Solution Approach 1:
The strain relief device is divided into separate functional components: a clamping element for mechanical securing, a holding structure for positioning, and removable seals for environmental protection. This segmentation allows each component to perform its specific function effectively while maintaining overall system reliability without excessive complexity.
Solution Approach 2:
The strain relief device is pre-installed within the connection box housing, with the clamping element and holding structure positioned in advance. This preliminary action ensures that when fiber optic cables are installed, they are immediately secured and protected, preventing mechanical damage and environmental exposure from the outset.
2Adaptability or versatility
If a fixed strain relief device is used, then the manufacturing precision is improved, but the adaptability to different cable sizes and types deteriorates
Solution Approach 1:
The clamping element is designed with adjustable characteristics, allowing it to adapt its clamping force and positioning to accommodate different cable diameters and types. This dynamic adaptability enables a single device design to work effectively with various fiber optic cables while maintaining secure fixation through controlled manufacturing tolerances.
Solution Approach 2:
The holding structure includes adjustable parameters such as clamp pressure, positioning depth, and seal engagement force. These parameters can be modified to match different cable specifications, enabling the same strain relief device to accommodate various cable sizes and types while maintaining consistent manufacturing precision through controlled adjustment ranges.
3Ease of operation
If removable seals are used, then the ease of operation is improved for maintenance, but the protection against environmental factors deteriorates during access
Solution Approach 1:
Seals are pre-installed in the strain relief device in a ready-to-use state, providing immediate environmental protection when the device is assembled. During maintenance, these pre-positioned seals can be quickly removed and reinstalled, minimizing the time the system is exposed to environmental factors while maintaining ease of operation.
Solution Approach 2:
The removable seal design enables rapid access to the fiber optic connections for maintenance operations. The seal can be quickly removed to allow access, and just as quickly reinstalled to restore protection, effectively skipping the exposure period to minimize environmental damage while maintaining operational ease.
Data Source
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AI summary
The invention relates to a fiber optic connection box with a housing and a strain relief device for fixing a first sheath of at least one or for at least a first fiber optic cable, wherein the strain relief device has a clamping element (62) that is or can be detachably mounted in the housing, and a receptacle for the first sheath that is accessible after the clamping element (62) has been released and removed, wherein the strain relief device is designed such that the clamping element (62) contributes to clamping the first sheath relative to the housing after the first sheath has been inserted into the receptacle and after the clamping element (62) has been reassembled in the housing, wherein the clamping element (62) has a holding structure for at least one further second fiber optic cable on a side of the clamping element (62) facing away from the first sheath in its clamped state.