Multi-region Light Emitter for Adaptive Distance Detection
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Solution Overview
Problem
Existing detection technologies, such as DTOF and ITOF, have limitations in achieving long detection distances and lack adaptive adjustment capabilities, restricting their applicability and precision.
Innovation Solution
A detection device and method featuring a light emitting module with multiple emitting regions and a processing module that generates instructions for sequential or varied light emission and reception, allowing for adaptive energy concentration and increased detection distance by dividing the field of view, thereby improving power density and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If all emitting units simultaneously output emitted light, then the detection precision is improved, but the detection distance is not far enough
Solution Approach 1:
The light emitting module is divided into multiple emitting regions (first emitting region, second emitting region, etc.), and the light receiving module is divided into corresponding receiving regions. By segmenting the emission and reception processes, the system can sequentially activate different regions to extend detection distance while maintaining precision through coordinated multi-region operation.
Solution Approach 2:
The patent implements periodic emission by controlling different emitting regions to output light at different time intervals. The processing module generates instructions for sequential emission, where each emitting region operates in periodic cycles, allowing the system to accumulate detection data over multiple periods to enhance both distance and precision.
2Use of energy by moving object
If the light emitting module outputs emitted light once, then the energy consumption is reduced, but the detection distance is limited
Solution Approach 1:
The system dynamically adjusts the emission strategy based on detection requirements. The processing module generates instructions that adaptively control which emitting regions are activated and how many times, allowing the system to optimize energy consumption by reducing redundant emissions while maintaining sufficient detection distance through intelligent region selection.
3Device complexity
If the detection system uses fixed emission pattern, then the device complexity is reduced, but the adaptability to different detection scenarios is insufficient
Solution Approach 1:
The patent creates a universal detection framework where the same light emitting module, light receiving module, and processing module can perform multiple detection functions by adjusting emission patterns. The processing module generates diverse instructions to adapt the system to different detection scenarios (different distances, different precision requirements) without changing the hardware structure, achieving multi-functionality through software control.
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 enhances detection distance and adaptability, allowing for real-time adjustment and improved accuracy in various measurement scenarios while reducing energy consumption and environmental interference.
Implementation Method 1
a light pulse is continuously emitted to a target, and a light returned from the target is received by a sensor
Implementation Method 2
the distance to the target is obtained by detecting the flight (round-trip) time of the light pulse
Data Source
AI summary
A detection device, characterized in that a light emitting module (110) comprises at least two emitting areas, and a light receiving module (130) comprises at least two receiving areas corresponding to the light emitting module (110); a processing module (120) can generate a first instruction to be electrically connected to all emitting units, so that all the emitting units simultaneously output emitted light, and all the receiving units of the light receiving module (130) correspond to the emitting units on a one-to-one basis; and the processing module (120) can also generate an instruction different from the first instruction to only be electrically connected to some of the emitting units, so that the light emitting module (110) outputs emitted light once or more than once, and the light receiving module (130) obtains reflected light information of a target area once or more than once. The self-adaptive emitting method focuses energy on a smaller field angle, thereby improving the power density; and all or some of the emitting units emit light once or multiple times, thereby adapting to different measurement scenarios and expanding application scenarios of the device.