Telescopic Mast With Embedded Power Line And Magnetic Height Control

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Solution Overview

Problem

Conventional telescopic masts face issues with power signal line damage due to external exposure and lack of precision in adjusting the mast's length, leading to reduced accuracy and stability.

Innovation Solution

A telescopic mast design with an embedded power signal line within a tubular main body made of composite materials, featuring a magnetic switch and guide unit for controlled length adjustment and a detachable power supply coupling member to prevent external damage and ensure accurate height setting.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the power signal line is exposed on the outer surface of the telescopic mast, then it is easy to connect and access, but the power signal line is damaged due to external environment exposure leading to poor insulation and disconnection

Engineering Contradiction:
Improveease of connectionVSAvoidpower signal line integrity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The power signal line is embedded within the hollow cavity of the telescopic mast structure, nesting the electrical conductor inside the protective tubular body. This nesting arrangement protects the power signal line from external environmental damage while maintaining a compact integrated design.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The telescopic mast acts as a flexible protective shell that encloses the power signal line within its hollow cavity. This shell structure provides mechanical protection and environmental isolation while allowing the power signal line to function reliably throughout the telescopic range.

Inventive Principle:
Principle #30Flexible shells and thin films

2Reliability

If the power signal line is installed inside the cavity of the telescopic mast, then the power signal line is protected from external damage, but the connection complexity increases

Engineering Contradiction:
Improvepower signal line protectionVSAvoidconnection structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The telescopic mast structure serves multiple functions simultaneously: it provides the structural support for telescopic movement, contains the hollow cavity for power signal line routing, and acts as the protective enclosure. This multi-functionality reduces overall connection complexity despite the embedded wiring arrangement.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If a user manually adjusts the entire height of the telescopic mast by seeing a numerical figure displayed in a section with naked eyes, then the user can control the height, but accuracy and stability are lowered

Engineering Contradiction:
Improvemanual height adjustmentVSAvoidheight setting accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent replaces manual visual estimation with an automated sensor-based measurement system. Optical or electronic sensors detect the actual height of the telescopic mast and provide feedback to the control system, enabling precise height positioning without relying on manual visual judgment by the user.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The control system receives real-time feedback from sensors about the actual telescopic mast height and compares it with the target height. Based on this feedback, the control system automatically adjusts the telescopic sections to achieve the desired precision, eliminating the need for manual visual measurement and improving both accuracy and stability.

Inventive Principle:
Principle #23Feedback

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 embedded power signal line prevents damage from the external environment, and the magnetic switch ensures precise control of the mast's length, enhancing durability, stability, and ease of operation.

Implementation Method 1

a magnetic switch electrically connected to the power signal line, and the tubular section adjacent to the tubular main body may further include a guide unit corresponding to a position of the magnetic switch and parallel in the length direction on an outer surface, and a magnetic body disposed at a point of the guide unit to generate a magnetic field for driving the magnetic switch

Methodology Applied
Scientific EffectMagnetic field: Magnetic Field

Data Source

PatentEP3933148B1Telescopic mast
Publication Date: 2023.06.07 LEE JONG HEE
  • EP3933148B1 patent drawingFigure 1~2
  • EP3933148B1 patent drawingFigure 3~4
  • EP3933148B1 patent drawingFigure 5~6

AI summary

A telescopic mast according to an embodiment of the present invention comprises: a tubular main body in which a power supply signal wire is embedded; one or more tubular sections coupled to be withdrawn from or insertable into the tubular main body; one or more coupling members which are provided at the top ends of the tubular main body and the tubular sections to fix or release the coupling between the tubular main body and the tubular sections during a withdrawn or insertion operation of the tubular sections; and a power supply coupling member which is connected to the power supply signal wire embedded in the tubular main body to supply power thereto.