Method for controlling a suction device
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Solution Overview
Problem
Existing suction devices lack an autostart function for battery-operated and pneumatically operated machine tools, limiting their usability and compatibility with various power sources and manufacturers.
Innovation Solution
A method for controlling a suction device that captures vibration data from its hose, evaluates it against comparison data, and controls the electric motor based on the comparison result, enabling an autostart function for any machine tool regardless of power supply type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the suction device uses a mains socket-based autostart function, then the autostart function works reliably for mains-operated machine tools, but it cannot provide autostart function for battery-operated or pneumatically operated machine tools
Solution Approach 1:
The patent replaces the electrical current-detection-based autostart system with a vibration-based detection system. The sensor module detects vibrations from the machine tool through the suction hose, regardless of the machine tool's power source (mains, battery, or pneumatic). This substitution enables universal compatibility while maintaining reliable autostart functionality through vibration pattern recognition.
Solution Approach 2:
The suction hose acts as an intermediary medium that transmits vibrations from the machine tool to the sensor module. This intermediary approach allows the system to detect machine tool operation indirectly through vibrations transmitted through the suction hose, enabling detection for any power source type without requiring direct electrical connection.
2Ease of operation
If the suction device requires manual activation, then the device structure remains simple, but user convenience is reduced and productivity decreases
Solution Approach 1:
The suction device automatically activates itself by detecting vibrations from the machine tool through the suction hose. The control unit processes vibration data and automatically switches on the suction function without requiring manual user intervention. This self-service capability significantly improves ease of operation while the automated vibration-based detection keeps the added complexity minimal.
Solution Approach 2:
The system monitors vibration parameters (amplitude, frequency patterns) to determine machine tool operation status. By changing from manual switch activation to automatic vibration-parameter-based activation, the system achieves better ease of operation with relatively simple implementation through the sensor module and control unit.
3Adaptability or versatility
If the suction device uses vibration-based detection, then it provides universal compatibility with any machine tool, but the detection precision may be affected by background vibrations
Solution Approach 1:
The control unit continuously monitors vibration data from the sensor module and uses feedback mechanisms to distinguish actual machine tool vibrations from background vibrations. By analyzing vibration patterns over time and comparing against operational thresholds, the system achieves accurate detection despite ambient vibration interference, maintaining both universal compatibility and measurement precision.
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
The method provides a universally usable suction device with an autostart function for both mains-connected and battery-operated suction devices, compatible with any machine tool, enhancing user convenience and compatibility across different manufacturers and power sources.
Implementation Method 1
A sensor module arranged on the suction hose is designed to detect vibrations of the machine tool and/or of the suction device
Data Source
AI summary
A method for controlling a suction device, in which the suction device includes at least one electric motor at least for generating a suction function, includes at least detecting vibration data on a suction hose of the suction device, evaluating the vibration data by comparing it with comparison data and generating a comparison result, and controlling the electric motor in accordance with the comparison result.