Mobile Measuring Device Automatic Switching Control
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Solution Overview
Problem
Mobile measuring devices, such as gas-measuring devices, face challenges in maintaining low energy consumption and ensuring safety, as they often accidentally switch off due to lack of movement or incorrect manual operation, leading to increased risk and reduced operating time.
Innovation Solution
A mobile measuring device with a control unit and detection unit that automatically switches between on and off states based on multiple conditions, including movement, position, charging status, and time, using multiple detection devices to prevent accidental switching and ensure reliable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the mobile measuring device is switched off automatically after a predefined time period without movement, then energy consumption is reduced, but the safety for the user deteriorates due to accidental switching off
Solution Approach 1:
The device performs preliminary actions by detecting multiple switch-off conditions (movement absence, position, charging status, time) before automatically switching off. This preliminary detection phase ensures that the device only switches off when all conditions confirm it is safe to do so, preventing accidental shutdowns during critical measurements while still enabling energy-saving automatic off functionality.
Solution Approach 2:
The patent applies partial action by requiring only a subset of detection conditions to be met before switching off, rather than all possible conditions. This allows the device to balance energy savings with safety - it monitors multiple parameters but switches off when sufficient conditions are satisfied, avoiding both excessive monitoring overhead and premature shutdowns.
2Use of energy by moving object
If the mobile measuring device is switched off automatically based on single detection condition, then energy consumption is reduced, but the reliability deteriorates due to increased risk of accidental switching off
Solution Approach 1:
The device performs preliminary actions by detecting multiple switch-off conditions (movement absence, position, charging status, time) before automatically switching off. This preliminary detection phase ensures that the device only switches off when all conditions confirm it is safe to do so, preventing accidental shutdowns during critical measurements while still enabling energy-saving automatic off functionality.
Solution Approach 2:
The patent applies partial action by requiring only a subset of detection conditions to be met before switching off, rather than all possible conditions. This allows the device to balance energy savings with safety - it monitors multiple parameters but switches off when sufficient conditions are satisfied, avoiding both excessive monitoring overhead and premature shutdowns.
3Reliability
If multiple detection devices are used to monitor switch-on and switch-off conditions, then the reliability is improved by reducing erroneous detection, but the device complexity increases
Solution Approach 1:
The detection unit is designed as a multi-functional system that can detect multiple different conditions (movement, position, charging status, time) using integrated sensors and processors. This universal detection capability allows the device to monitor various parameters for automatic switching decisions without requiring separate dedicated systems for each detection type, thereby improving reliability while controlling complexity.
Solution Approach 2:
The patent merges multiple detection functions (movement detection, position detection, charging status detection, time detection) into a single integrated detection unit. This consolidation improves reliability through cross-validation of multiple conditions while avoiding the complexity of completely separate detection systems, as all sensors and logic are coordinated through one unified detection module.
4Ease of operation
If the mobile measuring device requires manual switching on and off, then the ease of operation is maintained, but the reliability deteriorates due to manual operating errors
Solution Approach 1:
The device performs self-service by automatically detecting when it should be switched on or off based on monitored conditions (movement, position, charging status, time). This eliminates the need for manual user intervention in switching operations, thereby preventing manual operating errors while maintaining ease of use - the device essentially monitors its own operational context and makes switching decisions autonomously.
Solution Approach 2:
The system implements feedback by continuously monitoring operational conditions and using this information to automatically control switching states. The detection unit provides feedback about movement, position, and charging status to the control logic, which then automatically switches the device on or off accordingly, eliminating manual errors while maintaining responsiveness to user needs.
Data Source
AI summary
A safety application mobile measuring device (100) includes a control unit (110) and a detection unit (120). The control unit controls changes between a switched-on state and a switched-off state depending on a received detection signal (112). The detection unit monitors, in the switched-off state, whether a switch-on condition (414) is present and outputs the detection signal, which indicates a change into the switched-on state which is to be carried out. The detection unit monitors the switched-on state as to whether at least two switch-off conditions (444, 448) are present and outputs the detection signal, which indicates a change into the switched-off state, which is to be carried out, in the presence of at least two switch-off conditions. At least two detection devices (122, 124) each carry out a detection corresponding to the at least one switch-on condition and to the at least two switch-off conditions.