Power State Coordination for Detachable Test Tools
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Solution Overview
Problem
Measurement tools used in dangerous environments often require cumbersome protective gear and awkward positioning, making it difficult for users to view displays or perform measurements safely, especially when multiple units are involved, such as with clamp meters on cables, which can necessitate additional personnel or communication equipment.
Innovation Solution
A detachable measurement tool system where only the primary unit has a user-controllable power control, with an actuator mechanism coordinating the power states of secondary units when attached, using infrared or radio frequency transceivers for communication, ensuring that secondary units mirror the power state of the primary unit to prevent user confusion and conserve power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If detachable components are used to improve user safety and convenience, then user safety and ease of operation are improved, but power state coordination complexity increases
Solution Approach 1:
The actuator mechanism automatically coordinates the power state of the secondary unit based on the primary unit's state without requiring manual intervention. When the primary unit is powered on, the actuator automatically powers on the secondary unit, and when the primary unit is powered off, the actuator automatically powers off the secondary unit, eliminating the need for users to manually manage power states of multiple detachable components.
2Loss of information
If only the primary unit has user-controlled power control to prevent confusion, then user confusion is reduced, but the secondary unit cannot operate independently
Solution Approach 1:
The system uses feedback from the primary unit's power state to automatically control the secondary unit's power state through the actuator mechanism. The secondary unit's power state is determined by the primary unit's state, ensuring users are not confused by multiple independent power controls, while still allowing the secondary unit to function when attached to the primary unit.
3Reliability
If the actuator coordinates power states when units are attached, then power coordination is achieved, but additional power management mechanisms are required
Solution Approach 1:
The actuator serves as an intermediary mechanism between the primary and secondary units, translating the primary unit's power state into corresponding power state changes in the secondary unit. This intermediary approach provides reliable automatic power coordination without requiring complex manual power management mechanisms, as the actuator handles the coordination automatically based on the primary unit's state.
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 solution allows safe and efficient operation of measurement tools in hazardous environments by ensuring that all units are in the correct power state, reducing the need for additional personnel and communication equipment, while preventing user confusion and conserving power by coordinating power states between detachable units.
Implementation Method 1
the actuator is a magnetic actuator in the primary unit, and the magnetic actuator controls a magnetic switch in the secondary unit between a secondary power source and electronics in the secondary unit
Implementation Method 2
The primary unit and the secondary unit are each configured to have an infrared transceiver for communicating with each other
Implementation Method 3
The primary unit and the secondary unit are each configured to have a radio frequency transceiver for communicating with each other
Data Source
Figure 1
Figure 2A~2B
Figure 2C~2D
AI summary
A system and method of coordinating power states between two detachable units is disclosed. Only the primary unit has a user-controllable power control. The secondary unit is not directly user controllable. The power states of the two units are coordinated using an actuator mechanism when the units are attached. When the two units are detached, the state of the secondary unit is dependent upon the state of the primary unit and any subsequent commands transmitted by the primary unit to the secondary unit.