Telescopic Surveying Pole With Detachable EDM for Remote Points
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Solution Overview
Problem
Existing surveying poles face challenges in ensuring accuracy and adaptability, particularly when points in the terrain are inaccessible or require varying lengths, and they are cumbersome for storage and transportation.
Innovation Solution
A surveying pole with a telescopically adjustable pole arrangement and a detachable top unit equipped with electronic distance measurement, inertial measurement, and positioning units, allowing for adjustable length and remote point measurement in two modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the surveying pole is made with constant length to improve measurement accuracy, then measurement precision is improved, but ease of storage and transportation deteriorates
Solution Approach 1:
The surveying pole is divided into multiple telescopic sections that can be extended or retracted. This segmentation allows the pole to maintain a constant effective length during measurement (improving accuracy) while being compact when stored or transported (improving ease of operation). The telescopic mechanism enables the pole to transition between these states seamlessly.
2Adaptability or versatility
If the surveying pole length is increased to reach inaccessible points, then adaptability is improved, but device complexity and storage difficulty worsen
Solution Approach 1:
The surveying pole employs a dynamic telescopic structure that can adjust its length on-demand. Rather than being a fixed complex structure, the pole can extend to reach inaccessible points when needed and retract when not needed. This dynamic adjustment capability provides adaptability without permanently increasing device complexity or storage requirements.
3Measurement precision
If multiple electronic distance measurement units are used for different measurement modes, then measurement precision is improved, but device complexity and cost increase
Solution Approach 1:
A single electronic distance measurement unit is designed to perform multiple measurement functions through different operational modes. The unit can measure distances to reachable points using the telescopic pole extension and measure distances to inaccessible points using the top unit in a different configuration. This multi-functionality eliminates the need for multiple separate measurement units, reducing device complexity and cost while maintaining measurement precision.
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
Enables accurate determination of positions of both reachable and unreachable points, with enhanced adaptability and ease of handling, reducing complexity and cost by using a single electronic distance measurement unit.
Implementation Method 1
The top unit comprises an electronic distance measurement unit configured to emit a light beam in a direction parallel to the center axis of the top unit for determining a distance to a measurement point
Data Source
AI summary
The present disclosure relates to a surveying pole comprising: a pole arrangement extending along a longitudinal axis between a first end and a second end, the pole arrangement comprising: a first pole section and a second pole section telescopically arranged to provide adjustment of an extension (L, L′) of the pole arrangement along the longitudinal axis, and a target internally arranged in the pole arrangement at a predetermined distance (R) from the first end; a top unit having a center axis, the top unit being arrangeable relative to the pole arrangement for achieving a mounted state in which the top unit is attached to the second end of the pole arrangement such that the center axis of the top unit is parallel to the longitudinal axis of the pole arrangement, and an unmounted state in which the top unit is detached from the pole arrangement, the top unit comprising: an electronic distance measurement unit configured to emit a light beam in a direction parallel to the center axis of the top unit for determining a distance to a measurement point, wherein the measurement point coincides with the target of the pole arrangement in the mounted state, and circuitry configured to execute: in the mounted state, a pole length determination function configured to determine a length of the pole arrangement based on the determined distance to the target, and in the unmounted state, a remote point distance determination function configured to determine a distance to a remote point coinciding with the measurement point.