Separable LED Light String Driver With Music-Synced Lighting
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Solution Overview
Problem
Existing LED light strings for Christmas trees are cumbersome to install due to the heavy driver being connected to the light string body, and lack a music playing function, resulting in a poor installation experience and inadequate festive atmosphere.
Innovation Solution
A separable LED light string driver with a housing containing a control board, speaker, and circuit modules that includes a master control chip to generate PWM and music modulated signals, enabling the light string to illuminate and play music, with the driver connected separately from the light string body for easier installation and integration with a Christmas tree.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the driver is connected to the light string body and power supply in one piece, then the lighting control function is achieved, but the installation convenience deteriorates due to heavy weight
Solution Approach 1:
The driver is divided into two separate parts: a lightweight light string body and a separate driver unit. This segmentation allows the light string to be easily wrapped around the Christmas tree without the heavy driver attached, improving installation convenience while maintaining full lighting control functionality through wireless or wired connection between the separated components.
2Ease of operation
If the driver is separated from the light string body, then the installation convenience is improved, but the device complexity increases
Solution Approach 1:
A connection interface or wireless communication module serves as an intermediary between the separated driver and light string body. This intermediary component simplifies the reconnection process after separation, making the installation convenient while managing the complexity through standardized connection protocols or wireless pairing mechanisms.
3Adaptability or versatility
If the driver does not have music playing function, then the device simplicity is maintained, but the festive atmosphere rendering deteriorates
Solution Approach 1:
The driver is enhanced with multi-functionality to include music playing capabilities in addition to lighting control. This universal design allows the same driver unit to perform multiple functions (lighting control, music playback, and synchronization), thereby improving festive atmosphere rendering without requiring entirely separate systems, while managing complexity through integrated design.
Solution Approach 2:
The music playing function is merged with the existing driver components, combining audio processing, music playback, and lighting control into a single integrated driver unit. This merging approach enables the driver to render festive atmosphere through both lighting and music while avoiding the need for separate audio equipment, thus balancing functionality enhancement with complexity management.
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 solution enhances installation convenience by separating the driver from the light string, provides a music playing function, and synchronizes light effects with music attributes, improving the festive atmosphere through visual and auditory harmony.
Implementation Method 1
the master control chip generates a PWM signal and/or a music modulated signal; the LED driving module is electrically connected to the light string body provided externally and drives the light string body to light up according to the PWM signal
Implementation Method 2
the power amplification module is electrically connected to the speaker and drives the speaker to play music according to the music modulated signal
Implementation Method 3
a music data analysis module is provided in the master control chip, the music data analysis module is configured to obtain an attribute of the music data, then generate a corresponding PWM signal according to the attribute of the music data
Data Source
AI summary
The present application discloses a LED light string driver, a LED light string and a Christmas tree with music playing function. The driver includes a housing, a control board provided in the housing and a speaker; wherein, a power supply terminal of the control board is connected to an external DC power supply, a first output terminal of the control board is connected to a light string body provided externally, a second output terminal of the control board is connected to the speaker; a circuit is provided on the control board; the circuit includes: a master control chip, a LED driving module and a power amplification module electrically connected to the master control chip.