Modular Laser Scanner Case for Precision Mounting
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Solution Overview
Problem
Conventional surveying methods require separate and expensive laser scanners for shape measurement and point measurement, which can be inefficient and costly, especially when a highly precise horizontal rotation mechanism is needed.
Innovation Solution
A uniaxial laser scanner design that includes a main base with a distance measuring optical assembly and a rotation irradiating assembly, housed in a case with lower rigidity than the base, and an adapter for mounting on other devices, allowing for independent operation and integration with existing mechanisms without affecting the accuracy of the assemblies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a laser scanner is designed with high rigidity to maintain measurement accuracy, then measurement precision is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The laser scanner is divided into modular components: a main base with high rigidity for mounting assemblies, and a separate case with lower rigidity for accommodation. The case is segmented into a case frame and detachable side cases (left case and right case), allowing the precision-critical main base to be structurally independent from the protective case.
Solution Approach 2:
The protective function is extracted from the main structural body. The case frame serves as a protective enclosure with lower rigidity requirements, while the main base maintains high rigidity specifically for mounting the distance measuring optical assembly and rotation irradiating assembly, separating the protective function from the precision-maintaining function.
2Strength
If the case is made with high rigidity to protect internal assemblies, then protection capability is improved, but weight and manufacturing cost increase
Solution Approach 1:
Different parts of the scanner have different rigidity requirements. The main base has high rigidity for precision mounting, while the case has lower rigidity sufficient for protection. The side cases are detachable, providing protection only when needed, reducing overall weight while maintaining adequate protection capability.
3Stability of the object's composition
If the laser scanner is designed as an integrated unit, then structural stability is improved, but adaptability to different mounting configurations decreases
Solution Approach 1:
The case configuration is made dynamic and adaptable. The left case and right case can be detachably mounted or removed based on mounting requirements. The case frame provides a stable base structure, while the side cases can be configured differently or removed entirely, allowing adaptation to various mounting configurations without compromising the stability of the main base and its assemblies.
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 cost-effective configuration and mounting of the laser scanner on various devices, adding its functions without compromising the accuracy of the distance measuring and rotation irradiating assemblies, and allows for flexible adaptation to different mounting requirements.
Implementation Method 1
projects the distance measuring light beam, receives the reflected light
Implementation Method 2
distance measuring optical assembly which projects the distance measuring light beam, receives the reflected light
Implementation Method 3
performs the rotary irradiation of the distance measuring light beam projected from the distance measuring optical assembly by the rotation of a scanning mirror
Data Source
AI summary
A laser scanner comprising a main base, a distance measuring optical assembly for measuring a distance to the object to be measured, a rotation irradiating assembly for performing the rotary irradiation of the distance measuring light, a case which accommodates the distance measuring optical assembly and the rotation irradiating assembly, and an adapter, wherein a case includes a case frame, a left case, and a right case, the case frame includes a lower frame portion, the lower frame portion includes a left partition and a right partition, a liquid-tight space to accommodate the distance measuring optical assembly is formed when the left case is mounted, and the distance measuring optical assembly is exposed when the left case is removed, liquid-tight space to accommodate the rotation irradiating assembly is formed when the right case is mounted, and the rotation irradiating assembly is exposed when the right case is removed.