Identification method for a suction device and a hand machine tool
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Solution Overview
Problem
Existing hand-held power tools with suction devices face challenges in optimizing suction power and filter cleaning intervals based on the specific tool being used, leading to inadequate particle removal and potential health hazards due to insufficient or excessive suction.
Innovation Solution
The integration of a communication system between the hand-held power tool and suction device, where an identification code and operating parameters are exchanged to adjust the suction device's mode according to the tool's requirements, ensuring optimal suction power and filter cleaning intervals based on the type of tool and particles generated.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the suction device uses fixed suction power and filter cleaning intervals, then the device structure is simple, but the particle removal efficiency is insufficient for different power tools
Solution Approach 1:
The suction device dynamically adjusts its suction power and filter cleaning intervals based on real-time detection of particle concentration and type. The control unit modifies operating parameters adaptively according to the specific power tool being used and the particles generated, transforming a static system into a dynamic one that optimizes performance for each working condition.
Solution Approach 2:
The system implements feedback mechanisms where sensors detect particle concentration and characteristics, transmit this information to the control unit, which then adjusts suction power and cleaning schedules accordingly. This closed-loop control ensures the suction device responds to actual working conditions rather than operating with fixed predetermined settings.
2Productivity
If the suction device increases suction power for high particle generation tools, then particle removal efficiency improves, but energy consumption increases
Solution Approach 1:
The suction device dynamically adjusts its suction power based on detected particle concentration and type. Rather than maintaining constant high power consumption, the system modulates energy usage to match actual particle generation levels, reducing energy waste when particle loads are low while maintaining high efficiency when particle loads are high.
Solution Approach 2:
The control unit changes operating parameters including suction power level and filter cleaning intervals based on detected conditions. By varying these parameters adaptively rather than maintaining fixed high values, the system achieves high particle removal efficiency when needed while minimizing energy consumption during normal operation.
3Productivity
If the suction device operates without tool-specific identification, then the system is simple to operate, but the suction power may be insufficient or excessive for the specific tool
Solution Approach 1:
The suction device automatically identifies the connected power tool through communication interfaces and autonomously configures its operating parameters based on the detected tool type and particle characteristics. This self-configuration eliminates the need for manual setup by the user while optimizing suction performance for the specific application.
Solution Approach 2:
The system uses feedback from tool identification and particle detection to automatically adjust suction power and cleaning intervals. The control unit receives information about the connected tool and real-time particle conditions, then autonomously optimizes operating parameters without requiring user intervention or manual configuration.
Data Source
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AI summary
The suction flow (20) is generated suction device (10) of hand-held machine tool (80). The particles separated from suction flow is collected in dust collecting chamber (15) arranged in vacuum housing (11). The identification identifier (410) and/or operating parameter (400) are transmitted by suction device communication device (40) to external communication unit (50) of hand tool machine or vice versa. The suction device and/or hand-tool machine are operated to perform preset function based on respectively received identifier and/or operating parameter. Independent claims are included for the following: (1) suction device; and (2) external communication device.