Cylinder Piston State Detection Using Series Throttle Valves
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Solution Overview
Problem
Existing cylinder devices require multiple air supply ports and pressure switches to detect the operational state of a piston, leading to increased complexity and energy consumption.
Innovation Solution
A cylinder device with detection valves connected in series via a common air passage, where one or more detection valves are configured as throttle detection valves, allowing for reduced air supply ports and pressure switches by differentiating operational states based on air pressure differences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple air supply passages are provided for each detection valve, then the operational state of the piston can be detected, but the number of air supply ports increases and the device becomes more complex
Solution Approach 1:
Multiple air supply passages are merged into a single common air supply passage that serves all detection valves. The common air supply passage branches to connect to each detection valve, reducing the number of air supply ports from multiple separate ports to just one common port, thereby simplifying the device structure while maintaining detection functionality.
Solution Approach 2:
The common air supply passage performs multiple functions by serving as the air supply source for all detection valves simultaneously. This universal air supply line replaces multiple dedicated air supply passages, allowing a single component to fulfill what previously required multiple separate components.
2Reliability
If pressure switches are provided for each air supply passage, then the operational state can be detected, but the number of pressure switches increases and energy consumption increases
Solution Approach 1:
Multiple pressure switches are merged into a single pressure switch that monitors the common air supply passage. By placing one pressure switch on the common line, the system can detect pressure changes that reflect the operational state of the piston without requiring multiple separate pressure switches, thereby reducing energy consumption and component count.
Solution Approach 2:
The common air supply passage acts as an intermediary that transmits pressure information from the piston's operational state to a single pressure switch. This intermediary allows one pressure switch to indirectly monitor the state of the piston through the shared air supply line, eliminating the need for multiple direct pressure monitoring points.
3Adaptability or versatility
If multiple air supply ports are provided, then detection valves can be supplied with air, but the device size increases and compactness is reduced
Solution Approach 1:
Multiple air supply ports and their associated passages are merged into a single common air supply passage. This consolidation reduces the spatial footprint required for multiple separate air supply lines, allowing the detection valves to be compactly arranged and connected through the shared passage, thereby reducing overall device volume.
Solution Approach 2:
The air supply system is nested within a compact common passage structure where the common air supply passage contains or surrounds the branch passages that lead to individual detection valves. This nested arrangement allows multiple air supply routes to be packed into a smaller overall volume, reducing device size while maintaining full detection capability.
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 configuration reduces the number of air supply ports and pressure switches, making the device more compact and energy-efficient while effectively detecting the operational state of the piston.
Implementation Method 1
the throttle passage 56a, 106, 107a, 149
Data Source
AI summary
A plurality of detection valves (12 and 13) are provided to a housing (1), and at least one air passage (14 and 15), which communicatively connects the detection valves (12 and 13) to each other in series, are provided to the housing (1). One or some of the detection valves (12 and 13) are each configured as a throttle detection valve (13) including a throttle passage (56a).