Microcomputer Control of Power-Supply Detection Circuit
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Solution Overview
Problem
Conventional circuit systems with microcomputers and power-supply detection circuits waste power as the detection circuit constantly operates even when voltage is stabilized, leading to significant power consumption.
Innovation Solution
A power-supply detection-circuit control method that switches the detection circuit between operating and non-operating states based on predetermined conditions, allowing the microcomputer to control the power-supply detection circuit only when necessary, reducing unnecessary power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the power-supply detection circuit constantly operates to detect voltage, then the microcomputer can continuously monitor voltage status, but power consumption increases
Solution Approach 1:
The power-supply detection circuit is controlled to operate intermittently rather than continuously. The microcomputer switches the detection circuit between operating and non-operating states based on whether voltage detection is currently needed, implementing periodic action to reduce power consumption while maintaining monitoring capability when required
Solution Approach 2:
The operational state of the power-supply detection circuit is made dynamic rather than static. The microcomputer adaptively controls the detection circuit's operating state based on real-time system conditions, switching between active and standby modes to optimize the balance between monitoring reliability and power consumption
Data Source
AI summary
A power-supply detection-circuit control method is a method for a first microcomputer to control operation of a power-supply detection circuit, the first microcomputer being connected to the power-supply detection circuit and controlling a fan motor, the power-supply detection circuit detecting a voltage to be applied from a power supply to the fan motor, wherein the first microcomputer switches the power-supply detection circuit between an operating state and a non-operating state on the basis of information indicating whether a predetermined condition is satisfied.