Foreign Matter Inspection Device X-Ray Infrared Integration
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Solution Overview
Problem
Existing X-ray inspection devices are ineffective in detecting soft matter foreign objects such as plastics, insects, hair, and mold, and require separate equipment from infrared inspection devices, necessitating a compact solution for inspecting various types of foreign matter.
Innovation Solution
A foreign matter inspection device that combines X-ray and infrared technologies, using a carriage unit to move inspection objects, X-ray and infrared application units, detection units, and a protection unit to prevent X-ray exposure, allowing for synchronized detection and generation of overlapping images for accurate inspection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate X-ray inspection device and infrared inspection device are provided, then detection capability for various foreign matter is improved, but device complexity and space occupation increase
Solution Approach 1:
The patent combines X-ray inspection device and infrared inspection device into a single integrated system. The X-ray application unit and infrared application unit are positioned to inspect the same inspection object simultaneously or sequentially, allowing detection of both hard matter (metal, stones, glass) and soft matter (plastics, insects, hair, mold) foreign objects within one device, thereby reducing the need for separate inspection equipment.
2Reliability
If protection unit blocking X-rays is provided for infrared units, then reliability of infrared inspection is improved, but X-ray transmission capability deteriorates
Solution Approach 1:
The patent introduces a protection unit made of a material that selectively blocks X-rays while transmitting infrared rays. This intermediary structure allows the infrared application unit and infrared detection unit to be protected from harmful X-ray exposure, ensuring their reliability and longevity, while still permitting infrared rays to pass through for inspection purposes.
3Measurement precision
If X-ray and infrared application positions are separated, then detection accuracy is improved, but synchronization difficulty increases
Solution Approach 1:
The patent applies X-rays and infrared rays to different positions of the inspection object in the carrying direction, with predetermined intervals between the application positions. The system synchronizes detection timing based on the carrying speed of the carriage unit and the interval between application positions, allowing accurate alignment of inspection results despite the spatial separation. This preliminary arrangement of application positions enables both high detection accuracy and manageable synchronization.
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
Enables compact and accurate inspection of both hard and soft matter foreign objects, improving detection accuracy and reducing the need for separate X-ray and infrared devices.
Implementation Method 1
an X-ray application unit that applies X-rays to the inspection object carried by the carriage unit; an X-ray detection unit that detects X-rays transmitted by the inspection object
Implementation Method 2
an infrared ray application unit that applies infrared rays to the inspection object carried by the carriage unit; an infrared ray detection unit that detects infrared rays from the inspection object
Implementation Method 3
a protection unit formed of a member blocking X-ray and transmitting infrared rays and configured to cover the infrared ray application unit and the infrared ray detection unit
Implementation Method 4
a protection unit formed of a member blocking X-ray and transmitting infrared rays
Data Source
AI summary
A foreign matter inspection device includes: an X-ray application unit configured to apply an X-ray to an inspection object carried by a carriage unit; an X-ray detection unit configured to detect an X-ray transmitted by the inspection object and to output X-ray image data based on the detection result; an infrared ray application unit configured to apply an infrared ray to the inspection object carried by the carriage unit; and an infrared ray detection unit configured to detect the infrared ray from the inspection object and to output infrared image data based on the detection result. The infrared ray application unit and the infrared ray detection unit are covered by a protection unit formed of a member blocking the X-ray and transmitting the infrared ray.