Offline Voice Lighting Control With Wide-Voltage Power Conversion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing voice-controlled LED lighting systems require networking for signal transfer, leading to high costs and slow response speeds, and existing lamp switch control circuits are complex and limited to 5 V input voltage.
Innovation Solution
An off-line voice light control system that includes a pickup unit, voice recognition unit, lighting mode switching unit, and switch unit, utilizing a step-down direct-current power conversion chip, fly-wheel diode, and capacitors to convert high-voltage direct current to low-voltage direct current, enabling operation across a wide range of voltages without networking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If networking is used for signal transfer among multiple devices, then control functionality is achieved, but system cost increases and response speed decreases
Solution Approach 1:
The patent extracts the networking requirement from the system by implementing a standalone voice control circuit that operates independently without needing network connections. The voice recognition unit, power conversion unit, and control units are integrated into a single self-contained system that processes voice commands and controls LED lighting locally, eliminating the need for external network infrastructure and multiple interconnected devices.
2Reliability
If networking is used for signal transfer among multiple devices, then control functionality is achieved, but response speed decreases
Solution Approach 1:
The patent merges the voice recognition unit, power conversion unit, and LED control unit into a single integrated system. The voice recognition unit directly processes voice signals and generates control signals that are immediately transmitted to the LED control unit without requiring network transmission delays. This direct integration enables real-time voice-to-action response by eliminating network communication latency and intermediate signal transfer steps.
3Speed
If a control circuit is designed to operate without networking, then response speed improves and cost reduces, but circuit complexity increases and voltage adaptability is limited
Solution Approach 1:
The power conversion unit is designed with universal voltage adaptation capability, allowing the system to operate across a wide voltage range (e.g., 85V-265V AC input). The unit incorporates voltage detection and regulation mechanisms that automatically adjust to different input voltages, enabling the standalone control circuit to function in diverse electrical environments without requiring voltage-specific design variations or additional complexity for voltage compatibility.
4Speed
If a control circuit is designed to operate without networking, then response speed improves and cost reduces, but voltage adaptability is limited to 5V input
Solution Approach 1:
The power conversion unit implements dynamic parameter adjustment to handle varying input voltages. The unit detects the input voltage level and automatically adjusts its conversion parameters to output a stable 5V DC signal suitable for the control circuits. This parameter adaptation mechanism enables the system to accept a broad range of input voltages while maintaining consistent internal operating conditions, thereby achieving both fast response speed and wide voltage adaptability.
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
The system provides a cost-effective and efficient solution for voice-controlled LED lighting that operates across various voltage levels, eliminating the need for networking and reducing response time.
Implementation Method 1
a step-down direct-current power conversion chip, a fly-wheel diode, a first inductor and a second capacitor that are configured to store energy
Implementation Method 2
a first inductor and a second capacitor that are configured to store energy
Implementation Method 3
a second capacitor, the voice recognition unit, and the lighting mode switching unit
Data Source
AI summary
An off-line voice light control system is provided, including: a pickup unit for picking up a voice signal of a user; a voice recognition unit configured to parse the voice signal and output a command signal, where the voice recognition unit is electrically connected to the pickup unit; a lighting mode switching unit for generating a lighting mode signal after parsing the command signal provided by the voice recognition unit, where the lighting mode switching unit is electrically connected to the voice recognition unit; and a switch unit controlled by the lighting mode signal to be enabled and disabled, where the switch unit is electrically connected to the lighting mode switching unit; where an output end of a step-down direct-current power conversion chip is respectively connected to a cathode terminal of a fly-wheel diode and one end of a first inductor.