Optical Communication Hole Inspection Device
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Solution Overview
Problem
Current methods for inspecting communication holes in complex flow paths, such as those in automobile engine cylinder heads, are inefficient and time-consuming, often leading to incomplete assessments and increased costs.
Innovation Solution
A communication hole inspection device and method utilizing a light emitting body and a light receiving body, with a rotation mechanism that changes the light beam angle, allowing for determination of the open state of communication holes by comparing light reception at different angles, enabling effective inspection of complex flow paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual wire passing method is used to inspect complicated flow paths, then inspection accuracy is improved, but inspection time increases significantly
Solution Approach 1:
The patent replaces the mechanical wire passing method with an optical inspection system using light emitting bodies and light receiving bodies. Light beams are emitted through the communication holes and detected by sensors, enabling non-contact inspection that maintains accuracy while dramatically reducing inspection time and eliminating manual labor.
Solution Approach 2:
The patent introduces light beams as an intermediary medium to inspect the communication holes. Instead of directly passing physical wires through the holes, light serves as a mediator that can penetrate and reveal the internal state of the flow paths, enabling indirect but effective inspection.
2Productivity
If wind speed based inspection technique is used, then inspection time is reduced, but inspection capability for communication holes is insufficient
Solution Approach 1:
The patent creates an optical copy or representation of the communication hole's internal state by detecting light beam transmission characteristics. Instead of physically traversing the hole with wind or wire, the system captures light transmission data that replicates the inspection information, enabling rapid yet reliable assessment of hole openness and blockage conditions.
3Device complexity
If single angle light emission is used, then device complexity is reduced, but inspection completeness deteriorates
Solution Approach 1:
The patent introduces dynamic rotation of the light emitting body to change emission angles during inspection. The rotation mechanism allows the system to adaptively adjust the light beam direction, enabling comprehensive inspection of communication holes at multiple angles while using a single reusable inspection device, thus balancing complexity and completeness.
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 approach allows for a satisfactory and efficient inspection of communication holes, reducing inspection time and costs by accurately determining the open state of complex flow paths, even in intricate designs.
Implementation Method 1
a light emitting body (12) arranged in a portion of the communication holes (36) and that emits light beams, and a light receiving body (14) arranged in another portion of the communication holes (36) and that receives the light beams
Data Source
AI summary
A communication hole inspection device for inspecting a communication hole in a structure, a casting surface being formed on an inner surface of the hole, said communication hole inspection device having: a light-emitting body that is arranged in a portion of the communication hole and emits a beam of light; a light-receiving body that is arranged in a different portion of the communication hole and receives the light beam from the light-emitting body; a rotation mechanism for changing the rotation angle of the light-emitting body and thereby changing the light beam received by the light-receiving body; and a determination unit for determining the open state of the communication hole at least on the basis of based on the light beam received by the light-receiving body when the rotation angle of the light-emitting body is set at a first angle, and at a second angle different from the first angle.