CN202050562U - Stage lighting music control device - Google Patents

Abstract

A stage lighting music control device relates to a lighting control device. In the stage lighting music control device, lighting control is combined with music monitoring, all kinds of lights can twinkle and change automatically according to music rhythm, and a dazzling and beautiful environment can be created. A pre-amplifying circuit, a lighting control circuit and a music monitoring circuit are arranged. The lighting control circuit is provided with a level indication drive circuit, a dynamic display device, a plasma lamppost drive circuit, a plasma lamppost, a colored light control circuit and a colored light, the input ends of the level indication drive circuit, the plasma lamppost drive circuit and the colored light control circuit are connected with the output end of the pre-amplifying circuit, the output end of the level indication drive circuit is connected with the dynamic display device, the output end of the plasma lamppost drive circuit is connected with a plasma lamppost, and the output end of the colored light control circuit is connected with the colored light. The music monitoring circuit is provided with a tone and volume control circuit, a power amplifying circuit and a loudspeaker, the input end of the power amplifying circuit is connected with the output end of the tone and volume control circuit, and the output end of the power amplifying circuit is connected with the loudspeaker.

Description

The light of stage music controller

Technical field

The utility model relates to a kind of Light Control Unit, especially relates to a kind of light of stage music controller.

Background technology

Along with progress of science and technology, the lighting system in the modern house not only requires and can provide illumination for people's learning life, and wants to utilize light to build the internal ambience with certain style and aesthetic feeling.Light of stage is ever-changing, bright and colourful, can play up internal ambience preferably, however professional on the market at present light of stage controller cost an arm and a leg, the light of stage control appliance that real design is suitable as family expenses is very few.

Summary of the invention

The purpose of this utility model is to provide a kind of light control is combined with the music monitoring, and various light all can be from the rhythm of motion tracking music and the light of stage music controller of showing off the aesthetic feeling environment is built in the variation of glittering.

The utility model is provided with pre-amplification circuit, lighting control circuit, music monitoring circuit and power circuit; The input external audio frequency input signal of described pre-amplification circuit, described lighting control circuit is provided with level indication drive circuit, dynamic display spare, plasma lamppost drive circuit, plasma lamppost, color light control circuit and color lamp, level indication drive circuit input, plasma lamppost drive circuit input and color light control circuit input end connect the output of pre-amplification circuit respectively, level indication drive circuit output termination dynamic display spare, plasma lamppost drive circuit output termination plasma lamp post, the color light control circuit output end connects color lamp; Described music monitoring circuit is provided with tonal volume control circuit, power amplification circuit and loud speaker, tonal volume control circuit input external audio frequency input signal, power amplification circuit input termination tonal volume control circuit output, power amplification circuit output termination loud speaker; Power circuit is electrically connected with pre-amplification circuit, lighting control circuit and music monitoring circuit.

The audio input signal that described pre-amplification circuit is sent audio frequency apparatuses such as CD-audio player here carries out various processing and amplification, for the back level provides appropriate signal.The music monitoring circuit provides acoustical sound, the enough audio signals of power for loud speaker, makes it reach the best of breed of acousto-optic so that monitor regulating system.In lighting control circuit, the plasma lamp drive circuit can be controlled the high pressure at plasma lamppost two ends according to the variation of musical note, allows beautiful light beam dance lightly with music; Color light control circuit control color lamp bright dark reaches the perfect adaptation with music, thereby realizes the effect of showing off of light of stage; The height of level indication drive circuit indicative audio signal promptly changes the brightness of high brightness indicator spare with the size variation of signal level.Power circuit is that system's each several part circuit improves suitable dc energy.

Compare with existing professional light of stage controller, technology such as the utility model utilization plasma demonstration, can be from the rhythm of motion tracking music and the variation of glittering, light control is combined with the music monitoring, various light all can be from the rhythm of motion tracking music and the variation of glittering, and builds the light music effect true to nature of the on-the-spot stage of showing off the aesthetic feeling domestic environment, and not only audio visual effect is good, and cost is low, volume is little, in light weight, control flexibly, higher promotional value is arranged.The utility model is suitable as the light of stage controller of family expenses, can be widely used in family or the public place of entertainment etc.

Description of drawings

Fig. 1 is the circuit structure composition frame chart of the utility model embodiment.

Fig. 2 is the pre-amplification circuit schematic diagram of the utility model embodiment.

Fig. 3 is the pre-amplification circuit amplitude-versus-frequency curve of the utility model embodiment.

Fig. 4 is tone and the volume control circuit schematic diagram of the utility model embodiment.

Fig. 5 is the OCL power amplification circuit schematic diagram of the utility model embodiment.

Fig. 6 is the color light control circuit theory diagrams of the utility model embodiment.

Fig. 7 is the level indicating circuit schematic diagram of the utility model embodiment.

Fig. 8 is the music lamppost drive circuit schematic diagram of the utility model embodiment.

Fig. 9 is the power circuit principle figure of the utility model embodiment.

Figure 10 is the circuit theory diagrams of the utility model embodiment.

Embodiment

Referring to Fig. 1, the utility model embodiment is provided with pre-amplification circuit 1, lighting control circuit 2, music monitoring circuit 3 and power circuit 4; The input external audio frequency input signal A of described pre-amplification circuit 1, described lighting control circuit 2 is provided with level indication drive circuit 21, dynamic display spare 22, plasma lamppost drive circuit 23, plasma lamppost 24, color light control circuit 25 and color lamp 26, level indication drive circuit 21 inputs, plasma lamppost drive circuit 23 inputs and color light control circuit 25 inputs connect the output of pre-amplification circuit 1 respectively, level indication drive circuit 21 output termination dynamic display spares 22, plasma lamppost drive circuit 23 output termination plasma lamp posts 24, color light control circuit 25 output termination color lamps 26; Described music monitoring circuit 3 is provided with tonal volume control circuit 31, power amplification circuit 32 and loud speaker 33, tonal volume control circuit 31 input external audio frequency input signal A, power amplification circuit 32 input termination tonal volume control circuits 31 outputs, power amplification circuit 32 output termination loud speakers 33; Power circuit 4 is electrically connected with pre-amplification circuit 1, lighting control circuit 2 and music monitoring circuit 3.

The audio input signal A that described pre-amplification circuit 1 is sent audio frequency apparatuses such as CD-audio player here carries out various processing and amplification, for the back level provides appropriate signal.Music monitoring circuit 3 provides acoustical sound, the enough audio signals of power for loud speaker 33, makes it reach the best of breed of acousto-optic so that monitor regulating system.In lighting control circuit 25, plasma lamppost drive circuit 23 can be controlled the high pressure at plasma lamppost 24 two ends according to the variation of musical note, allows beautiful light beam dance lightly with music; Color light control circuit 25 control color lamps 26 bright dark reaches the perfect adaptation with music, thereby realizes the effect of showing off of light of stage; The height of level indication drive circuit 21 indicative audio signals promptly changes the brightness of high brightness indicator spare with the size variation of signal level.Power circuit 4 is that system's each several part circuit improves suitable dc energy.

Referring to Fig. 2 and 3, the circuit that pre-amplification circuit mainly utilizes the integrated double operational NE5532 of standard to constitute is realized, circuit adopts the degenerative amplifying circuit of voltage to form by two-stage, and the constancy with gain is good, wave distortion is little and the strong advantage of anti-common mode disturbances ability.At input signal Vi be this pre-amplification circuit of test under the condition of 5mV amplitude-versus-frequency curve as shown in Figure 3.As can be seen from Figure 3, greater than 400 times, passband BW is 20Hz～20kHz to this amplifier during from maximum decay-1dB to the multiplication factor of audio frequency small-signal, and the standard bands width during decay-3dB is wideer, satisfies the requirement of audio frequency apparatus frequency response technical indicator.

Tone and volume control circuit and component parameters as shown in Figure 4, in its tone control circuit, U ₁Effect be the compensation of tone control part to the signal attenuation effect.The tone control effect is by the RC attenuator attenuation multiple difference of height frequency signal to be come the high and low tone signal of ascending, descending.R _D1Be bass CONTROLLED POTENTIAL device, when its sliding end moved to right-hand member by left end, low cut strengthened gradually, and the low-frequency component in the output signal reduces thereupon gradually.R _D2Be high pitch CONTROLLED POTENTIAL device, when its sliding end moved to right-hand member by left end, high frequency attenuation strengthened gradually, and the radio-frequency component in the output signal reduces thereupon gradually; R _D3Be volume control potentiometer.

OCL power amplification circuit and component parameters as shown in Figure 5, RP wherein ₂, V _D, R ₉, R ₁₀The quiescent biasing circuit of forming the power amplifier multiple tube, V _D1, V _D2Forward conduction makes multiple tube be in the lightly conducting state when static, makes output stage work in the class AB state, to overcome intermodulation distortion, overcomes the interference of power-supply fluctuation to biasing.R ₁₃R ₁₆Form electric current series connection negative-feedback circuit, improve the stability of circuit, reduce nonlinear distortion.R ₁₄, R ₁₂Be multiple tube penetrating current shunt resistance, with the total penetrating current that reduces multiple tube.As seen from Figure 5, V ₁, V ₂, V ₃And interlock circuit is formed the preposition input stage of difference, V ₄, V ₅Form complementary symmetrical output stage, finally promote Low-frequency and High-power Transistor again, Low-frequency and High-power Transistor can be selected the same 3DD of characteristic, 2SC series NPN pipe for use.

Color light control circuit and component parameters are as shown in Figure 6, audio signal after the preposition amplification is after audio frequency transformer isolation, coupling, impedance conversion, add to the silicon controlled control utmost point through diode, controlling it ends and the conducting degree, when the full conducting of controllable silicon, two bulbs in parallel are bright, and two bulbs of series connection are dark; Otherwise when it ended, the bulb of series connection was bright, and bulb in parallel is dark; Thereby reach the perfect adaptation with music, realize the effect of showing off of light of stage being rich in the fashion innervation with low cost.

Level indicating circuit and component parameters are as shown in Figure 7.Circuit is by signal level is detected, driven light-emitting element work again, the number of diode 1N4148 conducting is increased, add to the silicon controlled control g utmost point through triode, controlling it ends and the conducting degree, make the variation of glimmering with the variation rule of signal level of light-emitting diode and highlighted lamp pearl, give the enjoyment of a kind of U.S. of people, produce the good audio visual effect of acousto-optic unification.

Plasma music lamppost drive circuit and component parameters as shown in Figure 8, audio signal is by VT ₂Preposition amplification is through VT ₁, VT ₃After audio driven is handled, remove to control the vibration output voltage of oscillator stage, again through T ₁Be added to the two ends of music lamppost after boosting.The plasma Display Technique that the utility model utilization is novel and the perfect adaptation of dynamic music allow beautiful light beam dance lightly along with the music rhythm, thereby realize the effect of showing off of light of stage.

Power circuit and component parameters as shown in Figure 9 ,～220V civil power is by transformer T ₁Step-down obtains for the voltage U of color light control circuit with interchange～15V ₁, through D ₁～D ₄Rectification, C ₅～C ₆Filtering obtains U ₂≈ 1.2U ₁The voltage of=18V is supplied with the OTL power amplifier that music is monitored part.Again by resistance R ₁, R ₂With voltage stabilizing didoe D ₅, D ₆After the voltage stabilizing, through C ₇～C ₈Capacitor filtering, obtain ± direct voltage of 12V supplies with other each several part circuit.

Element selection and calculation of parameter are as follows:

∵U _R1＝U _R2＝18V-12V＝6V，R ₁＝R ₂＝20Ω；

∴ R ₁, R ₂Power be:

$P=\frac{{{\mathrm{<figure-callout\; id="1"\; label="U\; R"\; filenames="HDA0000046934070000011.png,HDA0000046934070000032.png"\; state="\{\{state\}\}">U</figure-callout>}}_R}^2}{{\mathrm{<figure-callout\; id="1"\; label="R"\; filenames="HDA0000046934070000011.png,HDA0000046934070000032.png"\; state="\{\{state\}\}">R</figure-callout>}}_1}=\frac{36\mathrm{<figure-callout\; id="20"\; label="V"\; filenames="HDA0000046934070000013.png"\; state="\{\{state\}\}">V</figure-callout>}}{20\mathrm{\&Omega;}}=1.8W$

∴ R ₁, R ₂Select 20 Ω 2W.

∵ is when power supply output is unloaded again, flows to 12V voltage-stabiliser tube electric current and is:

$I=\frac{U_1}{{\mathrm{<figure-callout\; id="1"\; label="R"\; filenames="HDA0000046934070000011.png,HDA0000046934070000032.png"\; state="\{\{state\}\}">R</figure-callout>}}_1}=\frac{6\mathrm{<figure-callout\; id="20"\; label="V"\; filenames="HDA0000046934070000013.png"\; state="\{\{state\}\}">V</figure-callout>}}{20\mathrm{\&Omega;}}=300\mathrm{mA}$

The highest dissipation power P of ∴ 12V voltage-stabiliser tube _Dm=12V * 300mA=3.6W, time spent D ₅, D ₆Voltage-stabiliser tube respectively selects 3 12V/1.3W voltage-stabiliser tube BZX85C12 homopolarities parallel connection (or 4 3V/1.3W voltage-stabiliser tube BZX85C3V0 series connection) to use.

Figure 10 provides the integrated circuit schematic diagram of the utility model embodiment of above each basic circuit composition.

Claims (1)

1. the light of stage music controller is characterized in that being provided with pre-amplification circuit, lighting control circuit, music monitoring circuit and power circuit; The input external audio frequency input signal of described pre-amplification circuit, described lighting control circuit is provided with level indication drive circuit, dynamic display spare, plasma lamppost drive circuit, plasma lamppost, color light control circuit and color lamp, level indication drive circuit input, plasma lamppost drive circuit input and color light control circuit input end connect the output of pre-amplification circuit respectively, level indication drive circuit output termination dynamic display spare, plasma lamppost drive circuit output termination plasma lamp post, the color light control circuit output end connects color lamp; Described music monitoring circuit is provided with tonal volume control circuit, power amplification circuit and loud speaker, tonal volume control circuit input external audio frequency input signal, power amplification circuit input termination tonal volume control circuit output, power amplification circuit output termination loud speaker; Power circuit is electrically connected with pre-amplification circuit, lighting control circuit and music monitoring circuit.

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