Normally-On Power Tool Control for Auto Standby Switching
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Solution Overview
Problem
Existing battery-powered power tools often suffer from improper control, leading to unnecessary electricity consumption, mechanical deterioration, and safety issues.
Innovation Solution
A control system for power tools that includes an acquisition circuit to monitor parameters such as current, output power, and rotational speed, and a control circuit to switch the power tool between working and standby modes based on these parameters, thereby optimizing energy use and extending tool life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the power tool operates continuously in working mode, then the tool is always ready for immediate operation, but electricity consumption increases unnecessarily and mechanical deterioration accelerates
Solution Approach 1:
The power tool dynamically adjusts its operational state between working mode and standby mode based on real-time detection of operational parameters. The control circuit switches modes to optimize the balance between readiness and energy consumption, making the system adaptable rather than static.
Solution Approach 2:
The acquisition circuit continuously monitors operational parameters and provides feedback to the control circuit, which adjusts the power tool's state accordingly. This closed-loop feedback mechanism enables automatic mode switching based on actual operational needs.
2Ease of operation
If the power tool operates continuously in working mode, then immediate operation is maintained, but mechanical deterioration of the power tool increases
Solution Approach 1:
The system dynamically transitions between working and standby modes based on detected operational parameters, reducing continuous mechanical stress on components while maintaining operational readiness when needed.
Solution Approach 2:
The acquisition circuit monitors mechanical parameters and provides feedback to the control circuit, which adjusts the operational mode to protect mechanical components from excessive wear while ensuring immediate operation when required.
3Ease of operation
If improper control is applied to the power tool, then operation simplicity is maintained, but safety problems and unnecessary electricity consumption occur
Solution Approach 1:
The acquisition circuit continuously monitors operational parameters and provides feedback to the control circuit, which automatically adjusts the power tool's state to maintain safe operation. This feedback mechanism prevents improper control without requiring complex user intervention.
Solution Approach 2:
The control system automatically monitors and adjusts its own operation based on detected parameters, enabling self-regulation of safety and energy consumption without requiring constant user attention or complex control inputs.
Data Source
AI summary
Disclosed in the present invention is a control system for a normally-on power tool. The power tool comprises a tool head and a power device for providing the tool head with power, and the control system comprises an acquisition circuit and a control circuit. The acquisition circuit is in electrical communication with the power device and used to acquire at least one parameter associated with the power device, and the control circuit is configured to put the power device in a working mode with a first output power or a standby mode with a second output power according to the at least one parameter. The control system according to one or more embodiments of the present invention can save energy consumption, reduce mechanical wear, increase the service life of the power tool, and enhance operation convenience and safety.