Dynamic fire system having a flow control apparatus for generating a control signal based on an audio signal

A flow control signal generation device for a flame emitting apparatus and for generating a DC control signal based on an audio signal, utilized for controlling a flow volume provided by a fluid supply through a proportional valve to an orifice, and the flow control signal generation device comprising:

• an audio receiving module that is configured to receive an audio signal;
• a filter rectifier module electrically connected to the audio receiving module and configured to filter the audio signal to generate at least one DC audio signal;
• a microprocessor electrically connected to the filter rectifier module and configured to analyze a strength of the at least one DC audio signal within a plurality of time periods to generate a plurality of period strength values, and compare the period strength values and a predetermined attenuated strength value to generate a plurality of period attenuated values;
• and
• a proportional valve control signal generation module comprising:
• a first low-pass filter operably connected to the audio receiving module and configured to receive and filter the audio signal to generate a first low frequency-band signal, a frequency of the first low frequency-band signal being under a first frequency;
• an attenuator operably connected to the first low-pass filter and the microprocessor, the attenuator configured to attenuate a strength value of the first low frequency-band signal to a value close to the predetermined attenuated strength value based on the period attenuated values;
• and
• a first rectifier filter operably connected to the first low-pass filter and the attenuator, the first rectifier filter configured to convert the first low frequency-band signal into a DC control signal and transmitting the DC control signal to a proportional valve, the proportional valve configured to adjust an opening ratio based on the DC control signal to produce a dynamic flame.

A flow control apparatus, comprising:

• a flow control signal generation device for generating a DC control signal based on an audio signal, comprising:
• an audio receiving module configured to receive an audio signal;
• a filter rectifier module electrically connected to the audio receiving module and configured to filter the audio signal to generate at least one DC audio signal;
• a microprocessor electrically connected to the filter rectifier module and configured to analyze a strength of the at least one DC audio signal within a plurality of time periods to generate a plurality of period strength values, and compare the period strength values and a predetermined attenuated strength value to generate a plurality of period attenuated values;
• and
• a proportional valve control signal generation module comprising:
• a first low-pass filter electrically connected to the audio receiving module and configured to receive and filter the audio signal to generate a first low frequency-band signal, a frequency of the first low frequency-band signal being under a first frequency;
• an attenuator electrically connected to the first low-pass filter and the microprocessor, the attenuator configured to attenuate a strength value of the first low frequency-band signal to a value close to the predetermined attenuated strength value based on the period attenuated values;
• and
• a first rectifier filter electrically connected to the first low-pass filter and configured to convert the first low frequency-band signal into a DC control signal;
• and
• at least a proportional valve, connected between a fluid supplier and at least one orifice and electrically connected to the proportional valve control signal generation module to receive the DC control signal, the at least one proportional valve configured to control a flow volume provided by the fluid supplier through the at least one proportional valve to the at least one orifice based on the DC control signal to produce a dynamic flame.