Adjustable Laser Plane Projection for Surface Inclination Measurement
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Solution Overview
Problem
Existing systems for measuring surface inclination and unevenness are complex and lack simplicity in creating an inclination profile, particularly for use on varying surfaces like floors and walls.
Innovation Solution
A system comprising a marking device with adjustable laser planes and a detection device using a line camera or photodetectors to determine the distance between laser planes, allowing for automatic calculation of surface deviations and inclination profiles, with features like amplitude modulation and adjustable components for precise measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing laser measuring systems are used, then surface inclination can be measured, but the system complexity increases and the ease of operation decreases
Solution Approach 1:
The system is divided into two independent functional modules: a projection device that emits laser planes and a detection device that measures distances. This segmentation allows each module to be optimized independently and simplifies the overall system architecture while maintaining measurement precision for surface inclination.
Solution Approach 2:
The patent introduces an intermediary evaluation unit that processes data from both the projection and detection devices. This intermediary component simplifies the measurement process by automatically calculating inclination profiles without requiring complex manual operations, thus reducing operational complexity while maintaining precision.
2Measurement precision
If existing laser measuring systems are used, then surface inclination can be measured, but the ease of operation decreases
Solution Approach 1:
The detection device automatically measures distances to the laser planes and the evaluation unit autonomously calculates inclination profiles without requiring manual intervention. This self-service capability significantly improves ease of operation while maintaining measurement precision, as the system performs all necessary measurements and calculations automatically.
Solution Approach 2:
The system provides real-time feedback by displaying measured distances and calculated inclination profiles immediately after measurement. This feedback mechanism simplifies operation by allowing users to quickly verify measurements and adjust positioning if necessary, improving ease of use while maintaining precision through automatic data processing.
3Device complexity
If fixed laser planes are used, then the device structure is simple, but the adaptability to different surfaces is limited
Solution Approach 1:
The projection device incorporates adjustable laser planes that can be dynamically positioned at different angles and orientations. This dynamic adjustability allows the same device structure to adapt to various surface types (floors, walls, ceilings) and measurement requirements without increasing overall device complexity, as the adjustment mechanism integrates into the existing projection system.
4Device complexity
If manual measurement methods are used, then the device structure is simple, but the productivity decreases
Solution Approach 1:
The patent replaces manual measurement methods with an automated opto-electronic system. The detection device uses optical sensors to measure distances to laser planes automatically, and the evaluation unit computes inclination profiles without manual calculation. This substitution dramatically increases productivity and measurement speed while keeping the device structure relatively simple by using standard optical and electronic 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
Enables straightforward, accurate determination of surface inclination and unevenness, allowing for easy creation of inclination profiles on both floors and walls, with the ability to adapt to different surfaces and orientations.
Implementation Method 1
at least one laser device (120) which is set up to emit a first laser plane (121) and a second laser plane (121)
Implementation Method 2
The first and the second laser level can each be generated by a laser beam that strikes a cylindrical lens and is thereby expanded in one direction
Implementation Method 3
a detection device (200) for determining the distance between the two laser planes (121)
Data Source
AI summary
The invention relates to a marking device having at least one projection device, which defines a vertical axis and at least one laser unit equipped to emit a first laser plane and a second laser plane, wherein the first laser plane and the second laser plane are inclined relative to each other and disposed such that they intersect along a first line of intersection, the first line of intersection being perpendicular to the vertical axis. According to the invention, the projection device comprises a base element and a projection element comprising the at least one laser unit, wherein the projection element can be positioned relative to the base element, in particular in a motor-driven manner. The invention further relates to a system for surveying a surface, comprising a projection device, which defines a vertical axis and comprises at least one laser unit equipped to emit a first laser plane and a second laser plane, wherein the first laser plane and the second laser plane are disposed such that they intersect along a first line of intersection, the first line of intersection being perpendicular to the vertical axis, and further comprising a detection device for determining the distance between the two laser planes along a measuring line.