Audio Lighting Controller

Abstract

The invention relates to an audio light controller, which belongs to the technical field of light control, and in particular to an audio light controller. The invention provides an audio light controller. The invention comprises an audio signal extraction and conversion part and a light control part, and is characterized in that a signal output end of the audio signal extraction and conversion part is connected to a signal input end of the light control part.

Description

Technical Field

[0001] The invention belongs to the technical field of lighting control, and in particular relates to an audio lighting controller. Background Art

[0002] With the development of society, people's living standards are constantly improving, and people have higher requirements for the quality of life. Sometimes, people will have higher requirements for the control of lights. If there is a device that can control lights according to audio, it will further meet people's requirements for light control. Summary of the invention

[0003] The present invention is aimed at the above problems and provides an audio lighting controller.

[0004] To achieve the above purpose, the present invention adopts the following technical scheme. The present invention includes an audio signal extraction and conversion part and a lighting control part, and is characterized in that the signal output end of the audio signal extraction and conversion part is connected to the signal input end of the lighting control part.

[0005] As a preferred solution, the audio signal extraction and conversion part of the present invention includes a power supply part, an audio signal extraction part, an audio signal component output part and an audio size control merging part. The audio signal extraction part, the audio signal component output part, the audio size control merging part and the audio signal amplification part are connected in sequence, and the power output port of the power supply part is connected to the power input port of the audio signal amplification part.

[0006] As another preferred solution, the power supply part of the present invention adopts a 12V to 5V power supply module.

[0007] As another preferred solution, the power module of the present invention adopts L7805 power module.

[0008] As another preferred solution, the audio input interface of the audio signal extraction part of the present invention is an AAFP and / or 3.5 audio interface.

[0009] As another preferred solution, the 3.5 audio interface of the present invention includes a headphone socket and a headphone plug.

[0010] As another preferred solution, the AAFP audio interface of the present invention is an AAFP socket.

[0011] As another preferred solution, the audio signal amplifying part of the present invention adopts an 8403A chip, and pin 2 of the 8403A chip is respectively connected to pin 15 of the 8403A chip, pin 11 of the 8403A chip, pin 9 of the 8403A chip, one end of capacitor C7, and ground, the other end of C7 is connected to pin 8 of the 8403A chip, pin 3 of the 8403A chip is connected to pin 10 of the 8403A chip through capacitor C8 and resistor R4 in sequence, pins 4, 5, 6, 12, and 13 of the 8403A chip are connected to the power output port of the power supply part, pin 7 of the 8403A chip is connected to the output end of the audio size control merging part through resistor R3 and capacitor C9 in sequence, and pin 14 of the 8403A chip is connected to the signal input end of the lighting control part.

[0012] As another preferred solution, in the present invention, C7 is 1nF, C8 is 0.47μF, R4 is 10K, R3 is 10K, and C9 is 0.47μF.

[0013] As another preferred solution, the audio signal extraction part of the present invention includes capacitor C10 and capacitor C11, one end of C10 is connected to one end of the audio input interface, one end of C11 is connected to the other end of the audio input interface, and the other ends of C10 and C11 are connected to the input end of the audio signal component output part.

[0014] As another preferred solution, C10 and C11 described in the present invention are 0.47 μF.

[0015] As another preferred solution, the audio signal component output part of the present invention includes resistors R1 and R2, one end of R1 and R2 is connected to the output end of the audio signal extraction part, and the other end of R1 and R2 is connected to the input end of the audio size control merging part.

[0016] As another preferred embodiment, R1 and R2 in the present invention are 3.3K.

[0017] As another preferred solution, the audio volume control merging part of the present invention includes a variable resistor RP1 and a variable resistor RP2, one end of RP1 and RP2 is connected to the output end of the audio signal component output part, the other end of RP1 and RP2 is grounded, and the adjustment end of RP1 and RP2 is connected to the input end of the audio signal amplification part.

[0018] As another preferred embodiment, RP1 and RP2 of the present invention are 50K.

[0019] As another preferred scheme, the lighting control part of the present invention includes a signal size adjustment part, a DC blocking part, a signal amplifying part, a voltage and current component limiting part and an RGB three-color lighting signal output control part. The signal size adjustment part, the DC blocking part, the signal amplifying part and the RGB three-color lighting signal output control part are connected in sequence, the input end of the voltage and current component limiting part is connected to a power supply, and the output end of the voltage and current component limiting part is connected to the power input end of the signal amplifying part.

[0020] As another preferred solution, the power supply of the present invention is +12V.

[0021] As another preferred solution, the signal size adjustment part of the present invention adopts a variable resistor RP3, one end of RP3 is connected to the signal output end of the audio signal extraction and conversion part, the other end of RP3 is grounded, and the RP3 adjustment end is connected to the input end of the DC blocking part.

[0022] As another preferred embodiment, the RP3 of the present invention is 50K.

[0023] As another preferred solution, the DC blocking part of the present invention adopts capacitor C2.

[0024] As another preferred solution, C2 described in the present invention is 50V 10μF.

[0025] As another preferred scheme, the signal amplification part of the present invention includes NPN transistors Q1, Q2, and Q3, the base of Q1 is respectively connected to the output end of the DC blocking part and one end of the capacitor C3, the collector of Q1 is connected to the output end of the voltage and current component limiting part, the emitter of Q1 is respectively connected to one end of the capacitor C4 and the base of Q2, the collector of Q2 is respectively connected to the output end of the voltage and current component limiting part and the other end of C3, the emitter of Q2 is connected to the base of Q3, the emitter of Q3 is grounded, and the collector of Q3 is respectively connected to the other end of C4 and the input end of the RGB three-color light signal output control part.

[0026] As another preferred embodiment, Q1 and Q2 of the present invention are C945, Q3 is C2383, and C3 and C4 are 222J 2.2nF.

[0027] As another preferred scheme, the voltage and current component limiting part of the present invention includes resistors R5, R6, and R7, one end of R5 is connected to the power supply, the other end of R5 is connected to one end of R6 and one end of R7 respectively, and the other ends of R6 and R7 are connected to the power input end of the signal amplification part.

[0028] As another preferred solution, R5 of the present invention is 2.7K, and R6 and R7 are 150.

[0029] Secondly, the RGB three-color light signal output control part of the present invention includes a first switch, a second switch, and a third switch. One end of the first switch, one end of the second switch, and one end of the third switch are connected to the output end of the signal amplification part, the other end of the first switch is connected to the R color light signal output end, the other end of the second switch is connected to the G color light signal output end, and the other end of the third switch is connected to the B color light signal output end.

[0030] In addition, the output wiring of the RGB three-color lighting signal output control part of the present invention adopts two wiring sequence interfaces, one wiring sequence interface sequence is RGB, and the other wiring sequence interface sequence is BRG.

[0031] The invention has beneficial effects.

[0032] The audio signal extraction and conversion part of the present invention extracts the audio signal and converts it and then outputs it to the lighting control part. The lighting control part controls the lighting according to the input audio signal. This application controls the lighting based on audio, the lighting changes with the audio, and the lighting control effect is good, which meets the needs of customers. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. The protection scope of the present invention is not limited to the following description.

[0034] Figure 1 It is a circuit schematic diagram of the present invention. DETAILED DESCRIPTION

[0035] As shown in the figure, the present invention comprises an audio signal extraction and conversion part and a lighting control part, and the signal output end of the audio signal extraction and conversion part is connected to the signal input end of the lighting control part.

[0036] The audio signal extraction and conversion part includes a power supply part, an audio signal extraction part, an audio signal component output part and an audio size control merging part. The audio signal extraction part, the audio signal component output part, the audio size control merging part and the audio signal amplification part are connected in sequence, and the power output port of the power supply part is connected to the power input port of the audio signal amplification part.

[0037] The power supply part adopts a 12V to 5V power supply module.

[0038] The power module adopts L7805 power module.

[0039] The audio input interface of the audio signal extraction part is an AAFP and / or 3.5 audio interface.

[0040] The 3.5 audio interface includes a headphone socket and a headphone plug. The headphone socket is convenient for outputting the audio of the computer motherboard to other audio equipment, and the headphone plug is convenient for extracting the audio output signal of the computer motherboard to the audio signal extraction part.

[0041] The AAFP audio interface is an AAFP socket, which is convenient for extracting the audio output signal of the computer motherboard to the audio signal extraction part.

[0042] The audio signal amplifying part adopts 8403A chip, and pin 2 of 8403A chip is respectively connected to pin 15 of 8403A chip, pin 11 of 8403A chip, pin 9 of 8403A chip, one end of capacitor C7 and ground, the other end of C7 is connected to pin 8 of 8403A chip, pin 3 of 8403A chip is connected to pin 10 of 8403A chip through capacitor C8 and resistor R4 in sequence, pins 4, 5, 6, 12 and 13 of 8403A chip are connected to the power output port of the power supply part, pin 7 of 8403A chip is connected to the output end of the audio size control merging part through resistor R3 and capacitor C9 in sequence, and pin 14 of 8403A chip is connected to the signal input end of the lighting control part.

[0043] R3 inputs the audio component signal to pin 7 of 8403A, and pin 3 of 8403A outputs it to C8.

[0044] C8 inputs the amplified signal from pin 3 of 8403A into R4.

[0045] R4 inputs the signal to the 10th pin of 8403A (secondary amplification) and outputs it to RP3 through the 14th pin to complete the signal extraction.

[0046] The C7 is 1nF, C8 is 0.47μF, R4 is 10K, R3 is 10K, and C9 is 0.47μF.

[0047] The audio signal extraction part includes capacitor C10 and capacitor C11, one end of C10 is connected to one end of the audio input interface, one end of C11 is connected to the other end of the audio input interface, and the other ends of C10 and C11 are connected to the input end of the audio signal component output part.

[0048] The C10 and C11 are 0.47μF.

[0049] The audio signal component output part includes resistors R1 and R2, one end of R1 and R2 is connected to the output end of the audio signal extraction part, and the other end of R1 and R2 is connected to the input end of the audio size control merging part. R1 and R2 are responsible for the component output of the original audio signal (ensuring that the original audio is not damaged and is output from the headphone socket).

[0050] The R1 and R2 are 3.3K.

[0051] The audio volume control merging part includes a variable resistor RP1 and a variable resistor RP2, one end of RP1 and RP2 is connected to the output end of the audio signal component output part, the other end of RP1 and RP2 is grounded, and the adjustment end of RP1 and RP2 is connected to the input end of the audio signal amplification part. RP1 and RP2 can use double variable resistors to control the audio volume, and merge the audio signals of R1 and R2 (both single and double channels can be used) to C9.

[0052] The RP1 and RP2 are 50K.

[0053] The lighting control part includes a signal size adjustment part, a DC blocking part, a signal amplifying part, a voltage and current component limiting part and an RGB three-color lighting signal output control part. The signal size adjustment part, the DC blocking part, the signal amplifying part and the RGB three-color lighting signal output control part are connected in sequence. The input end of the voltage and current component limiting part is connected to a power supply, and the output end of the voltage and current component limiting part is connected to the power input end of the signal amplifying part.

[0054] The power supply is +12V.

[0055] The signal size adjustment part uses a variable resistor RP3, one end of RP3 is connected to the signal output end of the audio signal extraction and conversion part, the other end of RP3 is grounded, and the adjustment end of RP3 is connected to the input end of the DC blocking part. RP3 is responsible for signal size adjustment, controlling the light brightness and flashing frequency, and adjusting the signal output by 8403A to C2.

[0056] The RP3 is 50K.

[0057] The DC blocking part uses capacitor C2. C2 is responsible for DC blocking and provides the converted current to the base of Q1.

[0058] The C2 is 50V 10μF.

[0059] The signal amplification part includes NPN transistors Q1, Q2, and Q3. The base of Q1 is respectively connected to the output end of the DC blocking part and one end of the capacitor C3, the collector of Q1 is connected to the output end of the voltage and current component limiting part, the emitter of Q1 is respectively connected to one end of the capacitor C4 and the base of Q2, the collector of Q2 is respectively connected to the output end of the voltage and current component limiting part and the other end of C3, the emitter of Q2 is connected to the base of Q3, the emitter of Q3 is grounded, and the collector of Q3 is respectively connected to the other end of C4 and the input end of the RGB three-color light signal output control part.

[0060] The Q1 and Q2 are C945, Q3 is C2383, and C3 and C4 are 222J 2.2nF.

[0061] The voltage and current component limiting part includes resistors R5, R6, and R7. One end of R5 is connected to the power supply, and the other end of R5 is connected to one end of R6 and one end of R7 respectively. The other ends of R6 and R7 are connected to the power input end of the signal amplification part. R5 is responsible for limiting the voltage and current components of R6 and R7. C3 is responsible for limiting the signal frequency, the speed of the light flashing. C4 is responsible for limiting the signal time, the lighting time of the light.

[0062] The R5 is 2.7K, and the R6 and R7 are 150.

[0063] The RGB three-color light signal output control part includes a first switch, a second switch, and a third switch. One end of the first switch, one end of the second switch, and one end of the third switch are connected to the output end of the signal amplification part. The other end of the first switch is connected to the R color light signal output end, the other end of the second switch is connected to the G color light signal output end, and the other end of the third switch is connected to the B color light signal output end.

[0064] The first switch controls the negative pole output of the red light R, the second switch controls the negative pole output of the green light G, and the third switch controls the negative pole output of the blue light B.

[0065] Switch 1+2: R+G yellow negative output.

[0066] Switch 1+3: R+B Magenta negative output.

[0067] Switch 2+3: G+B cyan negative output.

[0068] Switch 1+2+3 R+G+B: white negative output.

[0069] Can control RGB seven-color lighting equipment.

[0070] The output wiring of the RGB three-color light signal output control part adopts two wiring order interfaces, one wiring order interface order is RGB, and the other wiring order interface order is BRG. The BRG order interface can meet the input needs of some specific devices, and conventional devices use the RGB order interface.

[0071] The invention is simple to control, does not require software, and has a low failure rate. The invention is based on audio, the color is changed by switches 1, 2, and 3, and the intensity of the light is changed by the received audio signal.

[0072] The present invention has strong versatility (not limited by computer brand motherboards, as all computer motherboards have audio output interfaces), meets customer requirements for color, and has low cost.

[0073] It can be understood that the above specific description of the present invention is only used to illustrate the present invention and is not limited to the technical solutions described in the embodiments of the present invention. Those skilled in the art should understand that the present invention can still be modified or replaced by equivalents to achieve the same technical effects; as long as the use requirements are met, they are within the protection scope of the present invention.

Claims

1. Audio and lighting controller, including audio signal extraction and conversion part and lighting control part, characterized in that The signal output end of the audio signal extraction and conversion part is connected to the signal input end of the lighting control part; The audio signal extraction and conversion part includes a power supply part, an audio signal extraction part, an audio signal component output part and an audio size control merging part, the audio signal extraction part, the audio signal component output part, the audio size control merging part and the audio signal amplification part are connected in sequence, and the power output port of the power supply part is connected to the power input port of the audio signal amplification part; The lighting control part includes a signal size adjustment part, a DC blocking part, a signal amplification part, a voltage and current component limiting part and an RGB three-color lighting signal output control part, the signal size adjustment part, the DC blocking part, the signal amplification part and the RGB three-color lighting signal output control part are connected in sequence, the input end of the voltage and current component limiting part is connected to the power supply, and the output end of the voltage and current component limiting part is connected to the power input end of the signal amplification part; The audio input interface of the audio signal extraction part is AAFP and / or 3.5 audio interface; The audio signal amplification part adopts 8403A chip, and pin 2 of 8403A chip is respectively connected to pin 15 of 8403A chip, pin 11 of 8403A chip, pin 9 of 8403A chip, one end of capacitor C7 and ground, the other end of C7 is connected to pin 8 of 8403A chip, pin 3 of 8403A chip is connected to pin 10 of 8403A chip through capacitor C8 and resistor R4 in sequence, pins 4, 5, 6, 12 and 13 of 8403A chip are connected to the power output port of the power supply part, pin 7 of 8403A chip is connected to the output end of the audio size control merging part through resistor R3 and capacitor C9 in sequence, and pin 14 of 8403A chip is connected to the signal input end of the light control part; The audio signal extraction part includes a capacitor C10 and a capacitor C11, one end of C10 is connected to one end of the audio input interface, one end of C11 is connected to the other end of the audio input interface, and the other ends of C10 and C11 are connected to the input end of the audio signal component output part; The audio signal component output part includes a resistor R1 and a resistor R2, one end of R1 and R2 is connected to the output end of the audio signal extraction part, and the other end of R1 and R2 is connected to the input end of the audio size control merging part; The audio volume control merging part comprises a variable resistor RP1 and a variable resistor RP2, one end of RP1 and RP2 is connected to the output end of the audio signal component output part, the other end of RP1 and RP2 is grounded, and the adjustment end of RP1 and RP2 is connected to the input end of the audio signal amplification part; The signal amplification part includes NPN transistors Q1, Q2, and Q3, the base of Q1 is respectively connected to the output end of the DC blocking part and one end of the capacitor C3, the collector of Q1 is connected to the output end of the voltage and current component limiting part, the emitter of Q1 is respectively connected to one end of the capacitor C4 and the base of Q2, the collector of Q2 is respectively connected to the output end of the voltage and current component limiting part and the other end of C3, the emitter of Q2 is connected to the base of Q3, the emitter of Q3 is grounded, and the collector of Q3 is respectively connected to the other end of C4 and the input end of the RGB three-color light signal output control part; The RGB three-color light signal output control part includes a first switch, a second switch, and a third switch. One end of the first switch, one end of the second switch, and one end of the third switch are connected to the output end of the signal amplification part. The other end of the first switch is connected to the R color light signal output end, the other end of the second switch is connected to the G color light signal output end, and the other end of the third switch is connected to the B color light signal output end. The voltage and current component limiting part includes resistors R5, R6, and R7, one end of R5 is connected to the power supply, and the other end of R5 is connected to one end of R6 and one end of R7 respectively, and the other ends of R6 and R7 are connected to the power input end of the signal amplification part; R5 is responsible for limiting the voltage and current components of R6 and R7; C3 is responsible for signal frequency limitation, the speed of light flashing; C4 is responsible for signal time limitation, the lighting time of the light; The R5 is 2.7K, and the R6 and R7 are 150.

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