Rotary Laser Level Tilt Sensor Housing for Thermal Isolation
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Solution Overview
Problem
Rotary laser levels face accuracy issues due to heat interference from rotating components affecting the tilt detecting device, especially when operating in both horizontal and vertical modes.
Innovation Solution
A monolithic part integrating the optical holder, casings, and bottlenecks with reduced sectional areas dissipates heat symmetrically, ensuring precise tilt detection by level sensors in both horizontal and vertical orientations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If rotating means are used to create the laser plane, then the laser level can operate in horizontal mode, but heat is generated that interferes with the tilt detecting device and reduces measurement precision
Solution Approach 1:
The housing is divided into two separate casings (first casing and second casing) that are connected to the optical holder via bottlenecks. This segmentation isolates the tilt detecting devices in each casing from the heat generated by the rotating means, allowing the laser level to operate in horizontal mode while maintaining tilt detection accuracy.
Solution Approach 2:
The bottlenecks act as intermediary connecting elements between the optical holder and the casings. These bottlenecks control heat dissipation pathways, allowing heat to escape in a controlled manner while maintaining the structural connection needed for operation. This intermediary structure protects the tilt detecting devices from direct heat exposure.
2Adaptability or versatility
If the rotary laser level is designed to operate in both horizontal and vertical modes, then versatility is improved, but the tilt detecting device must accurately detect tilting in two different orientations
Solution Approach 1:
The tilt detecting system is segmented into two separate casings, each containing a tilt detecting device optimized for specific orientations. The first casing with its bottleneck configuration handles horizontal mode detection, while the second casing handles vertical mode detection. This segmentation allows each sensor to be optimized for its specific orientation while maintaining overall system versatility.
Solution Approach 2:
The dual-casing design with symmetric bottleneck configurations creates a universal tilt detection system that can accurately measure tilting in both horizontal and vertical orientations. Each casing serves multiple functions: housing the tilt sensor, controlling heat dissipation, and maintaining structural integrity, enabling the device to operate reliably in either orientation.
3Measurement precision
If the bottlenecks have reduced size to control heat dissipation, then heat interference with sensors is reduced, but the structural connection between casings and optical holder is weakened
Solution Approach 1:
The bottlenecks are designed with specifically optimized reduced dimensions that balance heat dissipation requirements with structural strength requirements. By carefully controlling the size parameters of the bottlenecks, the design achieves sufficient heat dissipation to protect the tilt sensors while maintaining adequate structural connection strength between the casings and optical holder.
Solution Approach 2:
The bottlenecks are integrated into a monolithic part made of material with appropriate thermal and mechanical properties. This composite structure allows the bottlenecks to simultaneously provide thermal management (heat dissipation control) and mechanical function (structural connection), resolving the contradiction between reduced heat interference and maintained structural strength.
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 solution reduces heat impact on tilt detection, allowing for precise tilting measurements in both orientations by maintaining sensor balance and symmetry, enhancing the accuracy of the tilt detecting device.
Implementation Method 1
The first bottleneck is a connecting element between the optical holder and the first casing that has a reduced size, and by connecting the first casing via the first bottleneck to the optical holder, the heat can dissipate in a controlled and preferred manner such that the first casing is heated symmetrically
Data Source
Figure 1
Figure 2A~2B
Figure 3
AI summary
A rotary laser level, comprising a laser core module, a tilting device, a tilt detecting device (23), and a holding device (24). The tilt detecting device (23) includes a first level sensor (33) configured to indicate a tilting of the laser core module around a first tilting axis and a second level sensor (34) configured to indicate a tilting of the laser core module around a second tilting axis, wherein the first level sensor (33) and second level sensor (34) are designed to detect balance with respect to a local gravity vector. The holding device (24) includes an optical holder (40), a first casing (41) configured to hold the first level sensor (33) and connected to the optical holder (40) by a first bottleneck (45), and a second casing (42) configured to hold the second level sensor (34) and connected to the optical holder (40) by a second bottleneck (47).