Cable Transit Verification Point for Shield Ground Continuity
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Solution Overview
Problem
Existing systems for verifying the electrical resistance between cable shields, armors, or metallic pipes and surrounding frames are hindered by the need for direct exposure, which compromises environmental protection and is not feasible in many applications.
Innovation Solution
Extending the verification point of the cable shield, armor, or pipe outside the modular sealing system via an electrical conductor, which can be integrated or added as an add-on, ensuring accessibility without compromising environmental protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the cable shield, armour or metallic pipe is exposed to allow direct electrical connection for verification, then the electrical resistance can be verified, but the environmental protection and sealing integrity are compromised
Solution Approach 1:
An electrical conductor acts as an intermediary element, extending from the cable shield/armour/metallic pipe through the transit module to provide an external verification point. This mediator enables electrical resistance measurement without exposing the cable components, as the conductor transmits the electrical connection capability while the transit module maintains the seal and environmental protection.
2Ease of manufacture
If the cable shield, armour or metallic pipe is exposed inside the module, then the electrical connection can be made, but the verification point is not accessible outside the transit
Solution Approach 1:
The verification capability is extended from the internal dimension (inside the transit module) to the external dimension (outside the transit module) by introducing an electrical conductor that protrudes or extends beyond the module boundary. This dimensional extension allows verification operations to be performed externally while maintaining internal sealing.
3Object-affected harmful factors
If a rubber sealing is used to protect the cable armour or pipe metal, then the environmental protection is realized, but no accessible verification point is provided
Solution Approach 1:
The system is segmented into distinct functional zones: the rubber sealing maintains environmental protection for the cable armour/pipe metal, while the electrical conductor provides a separate, accessible verification point. This segmentation allows both functions to coexist without interference, as the conductor is positioned to extend outside the sealed environment while the sealing remains intact around the cable components.
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
Provides a functional verification point outside the transit system, allowing for easy verification of electrical resistance while maintaining environmental protection and sealing integrity.
Implementation Method 1
extending the verification point of the cable shield, armour, or pipe outside the modular sealing system via an electrical conductor
Data Source
AI summary
A transit for passing at least one cable (1) and/or at least one metallic pipe through an opening in a partition. The transit comprises a part receiving said at least one cable (1) or pipe and means are provided for connecting an exposed shield or armour (2) of the cable (1) or the metallic pipe to a surrounding potential. A verification point for verifying the connection to the surrounding potential is placed outside the transit. Said verification point is given by a part in contact with the cable shield or armour (2) of the cable (1) or the pipe inside the transit.