Portable Sensor Calibration Frame With Adjustable Target Pitch

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Solution Overview

Problem

Current sensor calibration tools for advanced driver assistance systems are bulky and stationary, requiring vehicles to be taken to service centers for calibration, which is inconvenient and limits mobility.

Innovation Solution

A portable sensor calibration device with a modular design comprising a base frame, standing frame, measurement frame, crossbar, target, and gliding support, allowing for adjustable pitch and easy assembly/disassembly for on-site calibration, featuring detachable couplings and a handlebar frame for stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If current calibration tools are used, then calibration accuracy is maintained, but mobility and ease of operation deteriorate due to bulky and stationary design

Engineering Contradiction:
ImprovemobilityVSAvoidstructure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The calibration device is divided into multiple separable components including a base frame, standing frame, measurement frame, crossbar, and target. Each component can be independently assembled and disassembled, enabling mobility while maintaining calibration accuracy. The detachable couplings allow the device to be broken down for transport and reassembled for use.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device incorporates adjustable elements such as the gliding support that allows dynamic positioning of the target at various heights and angles. This dynamic adjustability enables the device to adapt to different calibration scenarios while remaining portable and easy to deploy at various locations.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If calibration device is made portable and modular, then ease of operation and mobility improve, but device complexity increases due to multiple detachable components

Engineering Contradiction:
ImproveportabilityVSAvoidassembly
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The calibration device is divided into multiple separable components including a base frame, standing frame, measurement frame, crossbar, and target. Each component can be independently assembled and disassembled, enabling mobility while maintaining calibration accuracy. The detachable couplings allow the device to be broken down for transport and reassembled for use.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple functional elements are combined into integrated assemblies such as the standing frame that couples the base frame to the measurement frame, and the crossbar that supports the target. This merging reduces the number of separate parts to manage while maintaining the modular, portable nature of the device.

Inventive Principle:
Principle #5Merging (Combining)

3Ease of operation

If detachable couplings are used for assembly, then mobility and storage convenience improve, but reliability may deteriorate due to connection stability

Engineering Contradiction:
Improveassembly/disassemblyVSAvoidconnection stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The calibration device is divided into multiple separable components including a base frame, standing frame, measurement frame, crossbar, and target. Each component can be independently assembled and disassembled, enabling mobility while maintaining calibration accuracy. The detachable couplings allow the device to be broken down for transport and reassembled for use.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device incorporates spherical or rounded coupling interfaces that provide stable, repeatable connections between components. These curved or spherical joints allow for easy assembly while maintaining structural integrity and connection stability during calibration operations.

Inventive Principle:
Principle #14Spheroidality (Curvature)

Data Source

PatentUS11448740B2Sensor calibration device having configurable elements
Publication Date: 2022.09.20 BOSCH AUTOMOTIVE SERVICE SOLUTIONS INC
  • US11448740B2 patent drawing
  • US11448740B2 patent drawing
  • US11448740B2 patent drawing

AI summary

A portable sensor calibration device that provides a reference to a sensor during a calibration procedure. The sensor calibration device may have a number of adjustable functions providing for functional configurability, such as interchangeable target elements, adjustable pitch, adjustable target mounting, and locking elements.