Elevator Induction Loop Harnesses for Rapid Installation
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Solution Overview
Problem
The existing methods for installing an induction loop in an elevator are complex and time-consuming, complicating the laying operation.
Innovation Solution
The elevator is equipped with an amplifier to transmit acoustic signals and an induction loop formed by electrically connected wire harnesses, including branched, fixed-scale, and adjustment harnesses, which are easily connected using connectors to form loops of varying lengths to fit different elevator sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an elongated electric wire is laid in a looped manner to form the induction loop, then the induction loop can be installed in the elevator, but the laying operation becomes complicated and the installation time increases
Solution Approach 1:
The induction loop is divided into multiple wire harnesses (first wire harness, second wire harness, third wire harness, etc.) that can be independently handled and connected. Each wire harness has connectors at its ends, allowing them to be assembled like modular components rather than manipulating a single long wire, significantly reducing installation complexity and time
Solution Approach 2:
The wire harnesses are pre-assembled with connectors attached to their ends before installation. This preliminary preparation of connection components eliminates the need for on-site wire stripping, connector attachment, and complex routing during installation, allowing workers to simply connect pre-prepared modules together
2Reliability
If an elongated electric wire is laid in a looped manner to form the induction loop, then the induction loop can be installed in the elevator, but the laying operation becomes complicated
Solution Approach 1:
The induction loop is divided into multiple wire harnesses (first wire harness, second wire harness, third wire harness, etc.) that can be independently handled and connected. Each wire harness has connectors at its ends, allowing them to be assembled like modular components rather than manipulating a single long wire, significantly reducing installation complexity and time
Solution Approach 2:
The wire harnesses are pre-assembled with connectors attached to their ends before installation. This preliminary preparation of connection components eliminates the need for on-site wire stripping, connector attachment, and complex routing during installation, allowing workers to simply connect pre-prepared modules together
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
This design allows for rapid installation of the induction loop, reducing installation time and cost, while enabling adjustable magnetic field intensity to enhance audio clarity for users.
Implementation Method 1
an induction loop provided with looped electric wires through which current output from the amplifier flows to generate a magnetic field
Data Source
AI summary
The elevator includes an amplifier to amplify an acoustic signal; and an induction loop having looped wires that generate a magnetic field by current output from the amplifier, in which plural wire harnesses forming the induction loop are electrically connected to one another by plural connectors, which the respective wire harnesses have, coupled to one another; and the plural wire harnesses include a first wire harness having a first connector which is connected to the connection line to the amplifier, a second connector which is connected to the connection line to the winding start of the induction loop, and a third connector which is connected to the connection line to the winding end of the induction loop, and an elongated second wire harness which forms at least a part of the looped electric wires and has a fourth connector at one end and a fifth connector at another end.