Fire Sprayer and Camera Alignment for Precise Extinguishing
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Solution Overview
Problem
Existing extinguishing systems face challenges in accurately positioning the extinguishing agent sprayer due to deviations from exact vertical mounting, leading to inaccuracies in aiming and discharge of extinguishing agents, especially when detecting fires at distances away from the sprayer, and uncertainties in hydraulic conditions.
Innovation Solution
The system aligns the mounting axis of the camera and extinguishing agent sprayer parallel to each other, with the camera's optical axis at a defined starting angle, reducing data processing volume and error in targeting the fire source by storing geometric data and using a touchscreen for manual adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the extinguishing agent sprayer is pivoted vertically and/or horizontally to compensate for mounting deviations, then the aiming accuracy improves, but the device complexity and data processing requirements increase
Solution Approach 1:
The system performs preliminary action by pre-storing the mounting deviation data and geometric basic data in the controller's memory before operation. When a fire is detected, the controller directly retrieves these pre-stored values and applies them to calculate the corrected aiming position, eliminating the need for complex real-time calculations and reducing processing requirements while maintaining high aiming accuracy.
2Reliability
If the extinguishing agent is discharged at high pressure and large quantity, then the extinguishing effectiveness improves, but the loss of substance increases
Solution Approach 1:
The system applies local quality by precisely targeting the extinguishing agent discharge to the exact location of the fire source using the corrected aiming calculation. The controller calculates the specific horizontal and vertical angles needed to hit the fire source, ensuring the extinguishing agent is discharged only where needed rather than in broad areas, thus maintaining high extinguishing effectiveness while minimizing overall agent consumption.
Solution Approach 2:
The system replaces manual mechanical adjustment of the sprayer's vertical and horizontal angles with an automated electronic control system. The controller automatically calculates and commands the motor-driven adjustments based on fire source position and pre-stored mounting deviation data, eliminating manual intervention and improving both accuracy and efficiency in positioning the extinguishing agent discharge.
3Ease of manufacture
If the camera and extinguishing agent sprayer are mounted with deviations from exact vertical position, then the ease of installation improves, but the measurement precision deteriorates
Solution Approach 1:
The system applies self-service by automatically compensating for its own installation deviations. During installation, the actual mounting positions of the camera and sprayer are measured and stored in the controller's memory. During operation, the controller uses these stored position data to automatically calculate corrected aiming angles, allowing the system to self-correct for any installation imperfections without requiring precise manual alignment during installation.
Data Source
AI summary
An extinguishing system comprises: —at least one extinguishing agent sprayer (8) that is able to be rotated about a mounting axis (19) and is able to be pivoted about a pivot axis by means of at least one motor and is connected to an extinguishing agent line in order to be supplied with extinguishing agent, —at least one camera (7) that is able to be rotated at least about a mounting axis (17) by means of at least one motor (20), —an electronic controller (10) that comprises at least one storage unit (12) in which at least geometric basic data of the relevant area and/or data of the extinguishing agent sprayer (8) are stored so as to be able to be read, and a computer module (13) for data processing, —an input device, connected to the controller (10), for inputting data and/or for controlling the extinguishing agent sprayer (8) and the camera (7) and—a screen, connected to the controller (10), for displaying images from the camera (7). The mounting axis (17) of the camera (7) and the mounting axis (19) of the extinguishing agent sprayer (8) are oriented parallel to one another, and the optical axis (21) of the camera (7) is oriented at a defined starting angle with respect to the mounting axis (17), wherein the starting angle is stored in the storage unit (12).