Integrated Laser-Tapeline Ranging for Portable Precision
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Solution Overview
Problem
Conventional tapelines suffer from low measurement accuracy, inconvenience in operation and carrying, limited measurement range, and high labor costs, while laser ranging devices are bulky, costly, and prone to wear, affecting accuracy and usability in various applications.
Innovation Solution
A distance measuring device integrating a laser ranging device and a tapeline structure within a single housing, with the laser components protected inside the shell and the tapeline mechanism for easy operation and enhanced accuracy, allowing both short and long-distance measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a regular tapeline is used for measurement, then it is simple in structure and low in cost, but the measurement accuracy is poor and operation is inconvenient
Solution Approach 1:
The patent combines a laser ranging device and a tapeline structure into a single integrated device. The laser ranging device provides accurate long-distance measurement capability while the tapeline structure provides tactile feedback and short-distance measurement capability. This merging resolves the contradiction by achieving high measurement accuracy through laser technology while maintaining operational simplicity through the familiar tapeline interface.
Solution Approach 2:
The integrated device serves multiple functions: it can perform both laser-based long-distance ranging and tapeline-based short-distance measurement. The device includes a laser generating means for emitting measurement beams, a photoelectric conversion means for detecting reflected light, and a tapeline structure with a tape and scale for direct contact measurement. This multi-functionality allows the device to maintain high accuracy across different measurement scenarios while preserving the simplicity of traditional tapeline operation.
2Adaptability or versatility
If the measurement range of the tapeline is increased, then it can cover larger spaces, but the volume of the tapeline increases making it inconvenient for carrying
Solution Approach 1:
The patent merges a compact laser ranging device with a tapeline structure into a single integrated unit. The laser ranging component enables long-distance measurement capability without requiring an extended physical tape, while the tapeline portion provides short-distance measurement and tactile feedback. This combination achieves extended measurement range while maintaining a compact, portable form factor suitable for carrying.
3Measurement precision
If laser ranging devices are used for accurate measurement, then measurement accuracy is high, but the device volume is large and cost is high making it inconvenient for carrying
Solution Approach 1:
The patent integrates a laser ranging device with a tapeline structure into a single compact unit. The laser ranging component provides accurate measurement capability while the tapeline portion adds tactile feedback and short-distance measurement functionality. This integration maintains high measurement accuracy while improving portability and ease of operation by combining the advantages of both technologies in a unified, manageable device.
4Measurement precision
If laser ranging devices are used for long-term use, then accurate measurement is achieved, but the light emitting and receiving surfaces experience abrasion affecting sensitivity and accuracy
Solution Approach 1:
The patent combines a laser ranging device with a mechanical tapeline structure into an integrated system. The laser ranging component handles long-distance measurement where non-contact operation avoids wear, while the tapeline component with its protective casing and mechanical components provides a backup for short-distance measurement and tactile feedback. This dual-system approach ensures reliable operation across different usage scenarios and extends the overall service life of the device.
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 device provides high measurement accuracy, ease of use, and convenience in carrying, with extended service life and modular design suitable for diverse applications including construction and interior decoration.
Implementation Method 1
a laser generating means, used for emitting measurement beam to the object to be measured
Implementation Method 2
the object to be measured reflects the measurement beam, generating reflected light
Implementation Method 3
the photoelectric conversion means is used for capturing all or part of the reflected light and converting the optical signal of the captured reflected light into at least one feedback electrical signal
Data Source
AI summary
A distance measuring device, including a first housing having an accommodating space; and a laser ranging device provided in the accommodating space of the first housing; a tapeline structure, the tapeline structure integrated with the laser ranging device into one piece, wherein the laser ranging device is arranged along a radial direction or an axial direction of the tapeline structure.