Rotating Laser Distance Measurement Using Inclination and Beam Position
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Solution Overview
Problem
Existing methods for measuring the distance between a rotating laser and a laser receiver require specialized equipment and are not efficient for both horizontal and vertical positions, necessitating a method that can measure this distance with conventional rotating lasers and receivers while minimizing equipment expenditure.
Innovation Solution
The method involves inclining the rotating laser by an angle of inclination α, determining the position of the laser beam on the detection field, and calculating the measurement distance using the angle and height differences, allowing measurement in both horizontal and vertical positions without additional components, using a conventional laser receiver and rotating laser with a leveling device and inclination sensor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If specialized equipment is used to measure the distance between rotating laser and laser receiver, then measurement precision is improved, but device complexity and equipment expenditure increase
Solution Approach 1:
The laser receiver is equipped with both a detection field for receiving laser beams and a measurement function for determining distances. This multi-functionality allows the same device to perform both laser reception and distance measurement, eliminating the need for separate specialized measurement equipment and reducing overall device complexity while maintaining measurement precision.
Solution Approach 2:
The patent combines the distance measurement function with the laser receiver by integrating a measurement unit that determines the position of the laser beam on the detection field. This merging of functions allows the system to use existing infrastructure (laser receiver and detection field) for both primary reception and distance measurement purposes, reducing equipment expenditure.
2Device complexity
If conventional rotating lasers and receivers are used, then device complexity is reduced, but measurement precision and applicability to both horizontal and vertical positions deteriorate
Solution Approach 1:
The measurement function integrated into the laser receiver is designed to operate in both horizontal and vertical positions of the rotating laser. The detection field and measurement unit work together to determine distance regardless of the laser's orientation, providing universal applicability without requiring position-specific equipment or complex additional components.
3Measurement precision
If the laser receiver has a measurement function to determine beam position, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The laser receiver performs self-measurement by using its own detection field to determine the position of the incoming laser beam. The measurement unit utilizes the existing detection field infrastructure to calculate distance based on beam position, allowing the device to measure without requiring external specialized measurement equipment, thereby improving precision without proportionally increasing complexity.
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
This method enables accurate measurement of the distance between the rotating laser and receiver in both positions using standard equipment, increasing accuracy by averaging distances and accounting for laser receiver inclination, thus reducing measurement errors and equipment needs.
Implementation Method 1
The rotating laser generates a laser beam rotating about an axis of rotation
Implementation Method 2
the device plane is inclined from the horizontal position by an angle of inclination α measured with an inclination sensor
Implementation Method 3
determining a position of incidence of the laser beam on the detection field of the laser receiver
Data Source
AI summary
A method for measuring a measurement distance between a rotating laser, which emits a first laser beam that can be rotated about a rotational axis and/or a stationary second laser beam, and a laser receiver, which has a detection field with a measurement function. The rotating laser is inclined in a direction of inclination by an inclination angle. The position of incidence of the inclined laser beam on the detection field of the laser receiver is determined as a measurement point. The distance between the measurement point and a zero position of the detection field is stored as the height, and the measurement distance between the rotating laser and the laser receiver is determined using the inclination angle and the height.