Suction device with a suction device transmitter and external communication device for same
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Solution Overview
Problem
Existing suction devices for hand-held power tools often face issues with clogged filters, leading to inadequate particle removal, which can result in reduced usability and potential health hazards due to unsatisfactory suction performance.
Innovation Solution
A communication system between the suction device and the hand-held power tool allows for wireless communication, enabling the suction device to adjust its operating parameters based on the tool's type and operating conditions, ensuring optimal suction power and filter cleaning intervals, and allowing the tool to adjust its operation to match the suction device's capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the suction device operates continuously to maintain adequate particle removal, then particle removal performance is improved, but energy consumption increases
Solution Approach 1:
The suction device dynamically adjusts its operating state based on real-time filter status. The control unit receives sensor data about filter clogging and automatically modulates the suction motor power or activates cleaning mechanisms, allowing the system to maintain adequate particle removal performance while consuming energy only when necessary rather than operating continuously at full power
Solution Approach 2:
The system implements a feedback loop where sensors continuously monitor filter status and particle removal effectiveness. This feedback is processed by the control unit, which then adjusts operational parameters to maintain reliability while optimizing energy consumption. The communication interface also enables remote monitoring and adjustment of these parameters
2Reliability
If the suction device increases suction power to handle heavy particle loads, then particle removal performance is improved, but the risk of filter clogging increases
Solution Approach 1:
The system performs preliminary actions by continuously monitoring filter status indicators and particle load levels before critical clogging occurs. The control unit proactively activates filter cleaning mechanisms or reduces suction power when approaching clogging thresholds, preventing complete blockage while maintaining adequate particle removal performance during normal operation
Solution Approach 2:
The suction device implements periodic filter cleaning cycles based on monitored usage and particle load. Rather than operating continuously at high power that would quickly clog the filter, the system alternates between high-performance suction modes and maintenance cleaning modes, ensuring sustained particle removal capability without excessive clogging risk
3Ease of operation
If the suction device is equipped with advanced communication and control systems, then usability and safety are improved, but device complexity increases
Solution Approach 1:
The control unit serves multiple functions: it processes sensor data from the filter status indicators, manages suction motor control, coordinates filter cleaning operations, and handles communication protocols. By consolidating these diverse functions into a single multi-functional control system, the patent improves usability through centralized intelligence while avoiding the complexity of separate dedicated systems for each function
Solution Approach 2:
The communication interface acts as an intermediary that translates complex internal device states and sensor readings into user-friendly information displayed on remote devices or mobile phones. This intermediary layer provides detailed operational data and control capabilities without requiring complex user interfaces on the suction device itself, thereby improving usability while managing system complexity through layered communication architecture
4Ease of operation
If the suction device monitors and communicates filter status in real-time, then safety and usability are improved, but information processing requirements increase
Solution Approach 1:
The system extracts and processes only the most critical filter status information (such as clogging level, cleaning needs, and operational safety indicators) for real-time communication and control decisions. Less critical detailed data is stored locally or processed asynchronously, reducing the information processing load on the real-time communication system while maintaining safety and usability through monitoring of essential parameters
Data Source
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AI summary
The invention relates to a suction device (10) for separating particles from a suction stream (20), comprising a suction motor (19) for generating the suction stream (20) and a suction housing (11) in which the suction motor (19) and a dust collection chamber (15) for collecting particles separated from the suction stream (20) are arranged, wherein the suction device (10) is intended for extracting particles generated during the operation of a hand-held power tool (80) having a drive motor (81) for driving a tool (82).The suction device (10) is provided to have a suction device communication device (40; 140) for communication with an external communication device (50; 150; 250) to be operated at a distance from the suction device housing (11) in connection with the hand-held power tool (80), in particular forming a component of the hand-held power tool (80), wherein the suction device communication device (40; 140) has a suction device transmitter (41s, 141s) for sending at least one control signal (108) and/or message signal (105) to the external communication device (50; 150; 250). The invention further relates to an external communication device (50; 150; 250) for interaction with a hand-held power tool (80) and communication with such a suction device (10).