Elevator Induction Loop Harness Layout for Faster Installation
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Solution Overview
Problem
The existing methods for installing an induction loop in an elevator are complex and time-consuming, which complicates the laying operation and increases the time required for installation.
Innovation Solution
An elevator with a magnetic induction amplifier and a magnetic induction loop provided with a magnetic induction amplifier and a magnetic induction amplifier and a magnetic induction loop that uses prefabricated wire harnesses connected by connectors to form a looped electric wire system, allowing easy installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an electric wire is laid in a looped manner in the elevator cage or at elevator stops to form the induction loop, then the hearing aid system can be implemented, but the laying operation becomes complex and the installation time increases
Solution Approach 1:
The induction loop wire is divided into multiple separate wire harnesses that can be independently installed and then connected together. Each wire harness can be pre-assembled and brought to the installation site, where they are connected using connectors to form the complete loop. This segmentation simplifies the installation process and reduces the time required compared to laying a single continuous looped wire.
Solution Approach 2:
Wire harnesses are pre-assembled with connectors attached before the actual installation in the elevator. This preliminary preparation allows the harnesses to be ready for quick connection on-site, significantly reducing the installation time. The connectors are pre-attached to the wire harnesses, so during installation, workers only need to connect the pre-prepared harnesses together rather than making connections during the laying process.
2Reliability
If an electric wire is laid in a looped manner in the elevator cage or at elevator stops to dispose the induction loop, then the hearing aid system can be implemented, but the laying operation becomes complex
Solution Approach 1:
The induction loop is segmented into multiple wire harnesses with connectors, transforming a complex continuous laying operation into simpler discrete connection tasks. Each wire harness is a self-contained unit with connection points, making the overall system easier to install and maintain.
Solution Approach 2:
Connectors serve as intermediaries that simplify the connection between wire harnesses. Instead of directly connecting wires which requires stripping, twisting, and securing, the pre-attached connectors provide a simple plug-and-play interface, reducing the complexity of the laying operation.
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 induction loop can be readily laid in the elevator, reducing installation time and cost, and the magnetic field intensity can be adjusted to enhance voice clarity for users.
Implementation Method 1
an amplifier to amplify an acoustic signal for transmitting information to an elevator user
Implementation Method 2
an induction loop provided with looped electric wires through which current output from the amplifier flows to generate a magnetic field
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
An elevator, the induction loop of which hearing aid system can be readily laid, is disclosed. The elevator includes an amplifier (10) to amplify an acoustic signal; and an induction loop (12) 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 (20) having a first connector (21) which is connected to the connection line to the amplifier, a second connector (22) which is connected to the connection line to the winding start of the induction loop, and a third connector (23) which is connected to the connection line to the winding end of the induction loop, and an elongated second wire harness (30A, 30B, and 30C) which forms at least a part of the looped electric wires and has a fourth connector (31) at one end and a fifth connector (32) at another end.