Captive Bolt Humane Slaughter Device Velocity Monitoring
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Solution Overview
Problem
Existing devices for humane animal slaughter, such as captive bolt devices, face inconsistent operation due to incomplete return strokes and suboptimal bolt-barrel interactions, requiring time-consuming offline testing to ensure proper function, which is inefficient in high-throughput environments.
Innovation Solution
Integration of two axially spaced sensors and a microprocessor-based control unit within the device to continuously monitor the velocity of the captive bolt on both operating and return strokes, eliminating the need for separate testing rigs and allowing real-time monitoring of operational parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If periodic offline testing is used to check device operation, then measurement accuracy is improved, but productivity deteriorates due to device removal and time-consuming testing
Solution Approach 1:
The device performs self-diagnosis by continuously monitoring its own bolt velocity using integrated sensors and microprocessor during normal operation, eliminating the need for external testing equipment and offline calibration procedures
Solution Approach 2:
The velocity monitoring system operates continuously during device usage, providing real-time feedback on bolt performance without interrupting the slaughter process or requiring device removal from service
2Reliability
If the device is removed from service for testing, then reliability is improved through accurate calibration checks, but loss of time increases due to device unavailability
Solution Approach 1:
The device autonomously monitors its own operational parameters including bolt velocity and return stroke completion, maintaining reliability assurance without requiring removal from service or interruption of workflow
Solution Approach 2:
The microprocessor receives continuous feedback from sensors regarding bolt velocity and position, enabling real-time detection of performance degradation and prompting timely calibration before reliability is compromised
3Productivity
If velocity monitoring is implemented continuously, then productivity is improved by eliminating offline testing, but device complexity increases due to additional sensors and control unit
Solution Approach 1:
The sensor system serves multiple functions: monitoring bolt velocity during forward stroke, detecting return stroke completion, and providing data for calibration alerts, thereby justifying the added complexity through multifunctional utility
Solution Approach 2:
The device uses its own operational components (bolt, barrel, return mechanism) as the basis for self-monitoring, requiring only minimal sensing elements and processing to achieve continuous velocity measurement without major structural additions
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
Ensures consistent operation by providing early warnings of suboptimal performance, reducing downtime and improving animal welfare through continuous monitoring and adjustable parameters for different animal types.
Implementation Method 1
the barrel being provided with at least two axially spaced sensors operative to sense passage of the bolt
Data Source
Figure 1
Figure 2~3
AI summary
A device (1) for use in the humane slaughter of animals has a barrel (4) in which a captive bolt (5) is received for reciprocal axial movement, the bolt being driven out of the barrel by a driving force in an operating stroke, and in the opposite direction by a return mechanism in a return stroke. The barrel (4) is provided with at least two axially spaced sensors (20) operative to sense passage of the bolt (5), and a control unit (21) having microprocessor means (36) for receiving signals from the sensors (20) and adapted to calculate the velocity of the bolt in operation. The velocity of the bolt (4) on either the operating stroke or the return stroke, or both, can be measured as the device (1) is used, so that it does not need to be taken out of service to be checked that it is operating consistently.