CN204335113U - A light music fountain control circuit - Google Patents

Abstract

The utility model discloses a lighting music fountain control circuit, which comprises a data transceiver and a data storage circuit, the input end of the data transceiver is connected with a key operation circuit and a signal conditioning circuit, and the output end of the data transceiver is connected with a Liquid crystal display screen, music output module, water spray execution module and colorful lamp lighting module; the signal conditioning circuit includes F/V conversion circuit and A/D conversion circuit, and the music output module includes power amplifier circuit and loudspeaker, the The output end of the power amplification circuit is also connected with an F/V conversion circuit; the water spray execution module includes a plurality of motor drive circuits and a plurality of water pumps respectively connected to the output ends of the plurality of motor drive circuits; The light-emitting module includes a colored lamp drive circuit and a colored lamp light-emitting circuit. The utility model is novel in design, can directly extract audio signals, and control the height change of the water column of the fountain and the flickering change of the colored lights according to the played music, and has strong practicability.

Description

A light music fountain control circuit

technical field

The utility model belongs to the technical field of audio signal processing, in particular to a light music fountain control circuit.

Background technique

The music fountain is a new type of ornamental system that drives the fountain water change through the change of the sound signal to bring a visual experience. The pressure of modern life is increasing, and every day is a variety of repetitive labor, which has made our vision and hearing feel very Fatigue, the music fountain can effectively combine vision and hearing, has a strong dynamic experience, so that people's life pressure can be relieved, the traditional music fountain only uses water column fountains, or has the effect of colored lights, but the colored lights are only used The decorative background does not combine colored lights and music signals. In addition, most of the existing musical fountains use sensors to collect the sound vibration frequency played by the speaker back to the controller, and indirectly obtain the sound signal information. Since the sound vibration signal is collected The process is greatly affected by external interference, the collected information is inaccurate, the error is large, and the calculation load of the processor is increased, which affects the normal operation of the system. Not only that, if the water spray pressure is not enough during the water spraying process, or there is Water leakage will also affect the effect of the music fountain. Therefore, there is currently a lack of a control circuit that can directly extract the characteristics of the sound frequency signal, control the fountain water spray through signal conditioning, and control the water column of the fountain according to the music played. The height change and the flickering change of the colored lights, so that the changes in the height of the water column and the flickering changes of the colored lights are synchronized with the rhythm of the music, so as to achieve the perfect unity of vision and hearing, and solve the problem of complex control of existing light and music fountains, poor anti-interference, and information collection. Inaccurate, low control precision and other issues.

Utility model content

The technical problem to be solved by the utility model is to provide a light music fountain control circuit in view of the deficiencies in the above-mentioned prior art. Its design is novel and reasonable, and its structure is simple. The fountain sprays water, controls the height change of the fountain water column and the flickering change of the colored lights according to the music played, has high reliability, strong practicability, and is convenient for popularization and use.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a light music fountain control circuit, which is characterized in that it includes a data transceiver and a data storage circuit connected to the data transceiver for storing music data, The input terminal of the data transceiver is connected with a key operation circuit for selecting music tracks and a signal conditioning circuit for frequency-voltage conversion and analog-to-digital conversion of the audio signal, and the output terminal of the data transceiver is connected with a liquid crystal display , a music output module used to drive music signals and play music, a water spray execution module used to drive a DC motor to drive a water pump to spray water, and a colored light lighting module used to decorate a music fountain; the signal conditioning circuit includes F/V conversion circuit and an A/D conversion circuit connected to the output end of the F/V conversion circuit, the music output module includes a power amplifier circuit and a loudspeaker connected to the output end of the power amplifier circuit, the power amplifier circuit The output end is also connected with an F/V conversion circuit; the water spray execution module includes a plurality of motor drive circuits and a plurality of water pumps respectively connected to the output ends of the plurality of motor drive circuits; The lamp driving circuit and the colored lamp lighting circuit connected to the output end of the colored lamp driving circuit; the power amplifier circuit, the A/D conversion circuit, the motor driving circuit and the colored lamp driving circuit are all connected to the data transceiver.

The above-mentioned light and music fountain control circuit is characterized in that: the data transceiver is a STC12C5A60S2 single-chip microcomputer.

The above-mentioned light music fountain control circuit is characterized in that: the power amplifier circuit includes a chip TDA2822, the 7th pin of the chip TDA2822 is connected with the 10th pin of the STC12C5A60S2 microcontroller, and the 7th pin of the chip TDA2822 The pin is also connected to one end of the resistor R5, the other end of the resistor R5 is grounded, the 8th pin of the chip TDA2822 is grounded through the polar capacitor C9, the 6th pin of the chip TDA2822 is connected to the 11th pin of the STC12C5A60S2 microcontroller Pins are connected, the sixth pin of the chip TDA2822 is also connected to one end of the resistor R2, the other end of the resistor R2 is grounded, the fifth pin of the chip TDA2822 is grounded through the polar capacitor C10, the chip TDA2822 The second pin is connected to the output terminal of the 3.3V power supply, the second pin of the chip TDA2822 is also connected to the positive pole of the polar capacitor C8, the negative pole of the polar capacitor C8 is grounded, and the fourth pin of the chip TDA2822 Grounded, the first pin of the chip TDA2822 is connected to the positive pole of the polar capacitor C4, the negative output of the polar capacitor C4 is grounded through the non-polar capacitor C6 and the resistor R3 connected in series, the negative pole of the polar capacitor C4 is connected to the The connection terminal of the non-polar capacitor C6 is the signal output terminal INPUT of the power amplifier circuit, the third pin of the chip TDA2822 is connected to the positive pole of the polar capacitor C5, and the negative pole output of the polar capacitor C5 passes through a series non-polar Capacitor C7 and resistor R4 are grounded;

The loudspeaker includes a loudspeaker SP1 and a loudspeaker SP2, one end of the loudspeaker SP1 is connected to the signal output terminal INPUT of the power amplifying circuit, the other end of the loudspeaker SP1 is grounded, and one end of the loudspeaker SP2 is connected to the negative pole of the polar capacitor C5 and the non-polarity. The connecting ends of the polar capacitor C7 are connected, and the other end of the speaker SP2 is grounded.

The above-mentioned light music fountain control circuit is characterized in that: the F/V conversion circuit includes an operational amplifier UA741 and a chip NE555, and the second pin of the operational amplifier UA741 is connected to The signal output terminal INPUT of the power amplifier circuit is connected, the third pin of the operational amplifier UA741 is connected with the first pin of the operational amplifier UA741 through the resistor R6, and the third pin of the operational amplifier UA741 is also connected with the resistor R8 One end of the resistor R8 is connected, and the other end of the resistor R8 is divided into two outputs, one is grounded, the other is connected to the negative pole of the polar capacitor C12, and the positive pole of the polar capacitor C12 is connected to the +12V power supply output end. The operational amplifier UA741 The 11th pin of the operational amplifier UA741 is connected to the output terminal of the +12V power supply, the fourth pin of the operational amplifier UA741 is connected to the output terminal of the -12V power supply, and the first pin of the operational amplifier UA741 is also connected to the non-polar capacitor C13 The other end of the non-polar capacitor C13 is divided into two outputs, one is connected to the second pin of the chip NE555 through the diode IN4007, and the other is connected to one end of the resistor R10. The second pin of the chip NE555 The pin is also connected to one end of the resistor R11. The 6th pin of the chip NE555 is divided into three outputs, one of which is connected to the 7th pin of the chip NE555, and the other is connected to a fixed end of the sliding resistor R12. The third road is connected to one end of the non-polar capacitor C14, the other fixed end of the sliding resistor R12, the sliding end of the sliding resistor R12, the 4th pin of the chip NE555 and the 8th pin of the chip NE555 are all connected to 5V The output terminals of the power supply are connected, the fifth pin of the chip NE555 is connected with one end of the non-polar capacitor C15, the other end of the non-polar capacitor C15, the first pin of the chip NE555, the non-polar capacitor C14 The other end of the resistor R11 and the other end of the resistor R10 are all grounded, the third pin of the chip NE555 is connected to one end of the resistor R13, and the other end of the resistor R13 is the signal output end of the F/V conversion circuit OUTPUT.

The above-mentioned light music fountain control circuit is characterized in that: the A/D conversion circuit includes a chip ADC0809 and a chip 74HC74, the IN0 pin of the chip ADC0809 is connected to the signal output terminal OUTPUT of the F/V conversion circuit, The D0, D1, D2, D3, D4, D5, D6 and D7 pins of the chip ADC0809 are respectively connected to the 8th pin, the 7th pin, the 6th pin, the 5th pin, and the 4th pin of the STC12C5A60S2 microcontroller. pin, the 3rd pin, the 2nd pin and the 1st pin are connected, the ST, EOC and OE pins of the chip ADC0809 are respectively connected with the 14th pin, the 17th pin and the 16th pin of the STC12C5A60S2 microcontroller connected, the A, B, C, VREF- and GND pins of the chip ADC0809 are all grounded, the VCC pins and VREF+ pins of the chip ADC0809 are all connected to the output terminal of the 5V power supply, and the CLK of the chip ADC0809 The pin is connected to the 9th pin of the chip 74HC74, the 8th pin of the chip 74HC74 is connected to the 12th pin of the chip 74HC74, the 11th pin of the chip 74HC74 is connected to the 6th pin of the chip 74HC74 The 5th pin of the chip 74HC74 is connected to the 2nd pin of the chip 74HC74, the 1st pin, the 4th pin, the 10th pin and the 13th pin of the chip 74HC74 are all connected to 5V The output terminals of the power supply are connected, and the 3rd pin of the chip 74HC74 is connected with the 30th pin of the STC12C5A60S2 single-chip microcomputer.

The above-mentioned light music fountain control circuit is characterized in that: the motor drive circuit includes a chip AQMH2403ND, and the first pin, the second pin and the sixth pin of the chip AQMH2403ND are all connected to the output terminal of the 5V power supply , the 5th pin and the 7th pin of the chip AQMH2403ND are both grounded, the 3rd pin of the chip AQMH2403ND is connected to the 22nd pin of the STC12C5A60S2 microcontroller, the 4th pin of the chip AQMH2403ND is connected to the STC12C5A60S2 microcontroller The 21st pins of the chip AQMH2403ND are connected, the 8th pin of the chip AQMH2403ND is the signal output terminal OUT1 of the motor drive circuit, and the 9th pin of the chip AQMH2403ND is the signal output terminal OUT2 of the motor drive circuit.

The above-mentioned light music fountain control circuit is characterized in that: the colored light driving circuit includes a chip 74HC154, and the 23rd pin, the 22nd pin, the 21st pin and the 20th pin of the chip 74HC154 are respectively connected to The 39th pin, 38th pin, 37th pin and 36th pin of the STC12C5A60S2 MCU are connected;

The colored lamp lighting circuit is composed of LED lamp D1, LED lamp D2, LED lamp D3, LED lamp D4, LED lamp D5, LED lamp D6, LED lamp D7, LED lamp D8, LED lamp D9, LED lamp D10, LED lamp D11 , LED lamp D12 and LED lamp D13, said LED lamp D1, LED lamp D2, LED lamp D3, LED lamp D4, LED lamp D5, LED lamp D6, LED lamp D7, LED lamp D8, LED lamp D9, LED lamp The cathodes of D10, LED lamp D11, LED lamp D12 and LED lamp D13 are respectively connected to the 1st pin, 2nd pin, 3rd pin, 4th pin, 5th pin, 6th pin, The 7th pin, the 8th pin, the 9th pin, the 10th pin, the 11th pin, the 13th pin and the 14th pin are connected, the LED lamp D1, the LED lamp D2, the LED lamp D3 , LED lamp D4, LED lamp D5, LED lamp D6, LED lamp D7, LED lamp D8, LED lamp D9, LED lamp D10, LED lamp D11, LED lamp D12 and LED lamp D13 anodes are all connected to the output terminal of the 12V power supply .

The above-mentioned light and music fountain control circuit is characterized in that: the liquid crystal display is an LCD12864 liquid crystal display.

Compared with the prior art, the utility model has the following advantages:

1. The utility model is novel and reasonable in design, simple in structure, high in detection accuracy, perfect in function, simple in operation and strong in practicability.

2. The micro-controller adopted in the utility model has simple structure, reasonable design and good use effect. The single-chip microcomputer STC12C5A60S2 is used to process the audio signal data, and the data storage circuit is used to store the music data. The volume is small, the cost of the control circuit system is low, and the power consumption is low. The processing speed is fast and the calculation precision is high.

3. The utility model sets up the music output circuit and the signal conditioning circuit, and through the form of circuit feedback, one way passes through the power amplifier circuit to play the output music, and the other way passes the amplified audio signal back to the data transceiver to control the fountain execution module. Put UA741 and chip NE555 to convert the audio signal into voltage data that can be processed by the data transceiver. The converted audio signal is converted into a digital quantity and fed back to the data transceiver through the analog-to-digital conversion circuit. The collected data is accurate and the anti-interference is strong. The effect is good.

4. The utility model uses the music signal fed back by the signal conditioning circuit to control the fountain to spray water and at the same time control the flickering of the colored lights, so that the change of the height of the water column and the flickering changes of the colored lights are synchronized with the rhythm of the music, so as to achieve the coordination and unity of vision and hearing , High detection accuracy, stable, reliable and accurate circuit, easy to popularize and use.

To sum up, the utility model is novel and reasonable in design, simple in structure, and easy to operate. It can directly extract the characteristics of the sound frequency signal, control the fountain water spray through signal conditioning, and control the height change and color of the fountain water column according to the played music. The flickering change of the lamp has high reliability, strong practicability, and is convenient for popularization and use.

The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

Description of drawings

Fig. 1 is the block diagram of circuit principle of the utility model.

Fig. 2 is a schematic circuit diagram of the data transceiver of the present invention.

Fig. 3 is a schematic diagram of the circuit connection of the power amplifying circuit and the loudspeaker of the present invention.

Fig. 4 is a schematic circuit diagram of the F/V conversion circuit of the present invention.

Fig. 5 is a schematic circuit diagram of the A/D conversion circuit of the present invention.

Fig. 6 is a schematic circuit diagram of the motor drive circuit of the present invention.

Fig. 7 is a schematic diagram of the circuit connection of the colored lamp driving circuit and the colored lamp light emitting circuit of the present invention.

Explanation of reference signs:

1—data transceiver; 2—key operation circuit; 3—LCD display;

4—data storage circuit; 5—power amplifier circuit; 6—speaker;

7—F/V conversion circuit; 8—A/D conversion circuit; 9—Motor drive circuit;

10—water pump; 11—color lamp driving circuit; 12—color light emitting circuit.

Detailed ways

As shown in Figure 1, the utility model comprises a data transceiver 1 and a data storage circuit 4 connected with the data transceiver 1 for storing music data, and the input terminal of the data transceiver 1 is connected with a The key operation circuit 2 and the signal conditioning circuit for performing frequency-voltage conversion and analog-to-digital conversion on the audio signal, the output terminal of the data transceiver 1 is connected with a liquid crystal display 3, which is used to drive the music signal and play the music An output module, a water spray execution module for driving a DC motor to drive a water pump to spray water, and a colored light lighting module for decorating a music fountain; the signal conditioning circuit includes an F/V conversion circuit 7 and the F/V conversion circuit 7 A/D conversion circuits 8 connected to the output end, the music output module includes a power amplifying circuit 5 and a loudspeaker 6 connected to the output end of the power amplifying circuit 5, and the output end of the power amplifying circuit 5 is also connected There is an F/V conversion circuit 7; the water spray execution module includes a plurality of motor drive circuits 9 and a plurality of water pumps 10 respectively connected to the output ends of the plurality of motor drive circuits 9; The lamp drive circuit 11 and the colored lamp light-emitting circuit 12 connected with the output end of the colored lamp drive circuit 11; the power amplifier circuit 5, the A/D conversion circuit 8, the motor drive circuit 9 and the colored lamp drive circuit 11 are all connected with the colored lamp drive circuit 11. Data transceiver 1 is connected.

As shown in FIG. 2 , in this embodiment, the data transceiver 1 is a STC12C5A60S2 single-chip microcomputer.

As shown in Figure 3, in the present embodiment, the power amplifier circuit 5 includes a chip TDA2822, the 7th pin of the chip TDA2822 is connected with the 10th pin of the STC12C5A60S2 microcontroller, and the 7th pin of the chip TDA2822 Also connected to one end of the resistor R5, the other end of the resistor R5 is grounded, the 8th pin of the chip TDA2822 is grounded through the polarity capacitor C9, the 6th pin of the chip TDA2822 is connected to the 11th pin of the STC12C5A60S2 microcontroller connected, the 6th pin of the chip TDA2822 is also connected to one end of the resistor R2, the other end of the resistor R2 is grounded, the 5th pin of the chip TDA2822 is grounded through the polar capacitor C10, the 2nd pin of the chip TDA2822 The pin is connected to the output terminal of the 3.3V power supply, the second pin of the chip TDA2822 is also connected to the positive pole of the polar capacitor C8, the negative pole of the polar capacitor C8 is grounded, and the fourth pin of the chip TDA2822 is grounded. The first pin of the chip TDA2822 is connected to the positive pole of the polar capacitor C4, and the negative pole output of the polar capacitor C4 is grounded through the non-polar capacitor C6 and the resistor R3 connected in series, and the negative pole of the polar capacitor C4 is connected to the non-polar The connection terminal of the polar capacitor C6 is the signal output terminal INPUT of the power amplifier circuit 5, the third pin of the chip TDA2822 is connected to the positive pole of the polar capacitor C5, and the negative pole output of the polar capacitor C5 passes through the non-polar capacitor connected in series C7 and resistor R4 are grounded;

Described loudspeaker 6 comprises loudspeaker SP1 and loudspeaker SP2, and one end of described loudspeaker SP1 is connected with the signal output terminal INPUT of power amplifying circuit 5, and the other end of loudspeaker SP1 is grounded, and one end of described loudspeaker SP2 is connected with the negative pole of polarity capacitor C5 It is connected to the connecting end of the non-polar capacitor C7, and the other end of the speaker SP2 is grounded.

As shown in Figure 4, in this embodiment, the F/V conversion circuit 7 includes an op amp UA741 and a chip NE555, and the second pin of the op amp UA741 is connected to the power amplifier through a series connected resistor R9 and a polar capacitor C11. The signal output terminal INPUT of the circuit 5 is connected, the 3rd pin of the operational amplifier UA741 is connected with the 1st pin of the operational amplifier UA741 through the resistor R6, and the 3rd pin of the operational amplifier UA741 is also connected with the resistor R8 One end is connected, the other end of the resistor R8 is divided into two outputs, one is grounded, the other is connected to the negative pole of the polar capacitor C12, the positive pole of the polar capacitor C12 is connected to the output end of the +12V power supply, and the operational amplifier UA741 The 11th pin is connected with the +12V power supply output terminal, the 4th pin of the operational amplifier UA741 is connected with the -12V power supply output terminal, and the 1st pin of the operational amplifier UA741 is also connected with the non-polar capacitor C13 One end is connected, the other end of the non-polar capacitor C13 is divided into two outputs, one is connected to the second pin of the chip NE555 through the diode IN4007, and the other is connected to one end of the resistor R10, the second pin of the chip NE555 The pin is also connected to one end of the resistor R11, the 6th pin of the chip NE555 is divided into three outputs, one is connected to the 7th pin of the chip NE555, the other is connected to a fixed end of the sliding resistor R12, and the other is connected to a fixed end of the sliding resistor R12. The three circuits are connected to one end of the non-polar capacitor C14, the other fixed end of the sliding resistor R12, the sliding end of the sliding resistor R12, the 4th pin of the chip NE555 and the 8th pin of the chip NE555 are all connected to the 5V power supply The output terminals are connected, the 5th pin of the chip NE555 is connected with one end of the non-polar capacitor C15, the other end of the non-polar capacitor C15, the 1st pin of the chip NE555, and the non-polar capacitor C14 The other end, the other end of the resistor R11 and the other end of the resistor R10 are all grounded, the third pin of the chip NE555 is connected to one end of the resistor R13, and the other end of the resistor R13 is the signal output end of the F/V conversion circuit 7 OUTPUT.

As shown in Figure 5, in the present embodiment, the A/D conversion circuit 8 includes a chip ADC0809 and a chip 74HC74, and the IN0 pin of the chip ADC0809 is connected to the signal output terminal OUTPUT of the F/V conversion circuit 7, so The D0, D1, D2, D3, D4, D5, D6 and D7 pins of the chip ADC0809 are respectively connected with the 8th pin, 7th pin, 6th pin, 5th pin and 4th pin of the STC12C5A60S2 microcontroller , the 3rd pin, the 2nd pin and the 1st pin are connected, the ST, EOC and OE pins of the chip ADC0809 are respectively connected with the 14th pin, the 17th pin and the 16th pin of the STC12C5A60S2 microcontroller connected, the A, B, C, VREF- and GND pins of the chip ADC0809 are all grounded, the VCC pins and VREF+ pins of the chip ADC0809 are connected to the output terminal of the 5V power supply, and the CLK lead of the chip ADC0809 The pin is connected with the 9th pin of the chip 74HC74, the 8th pin of the chip 74HC74 is connected with the 12th pin of the chip 74HC74, and the 11th pin of the chip 74HC74 is connected with the 6th pin of the chip 74HC74 connected, the 5th pin of the chip 74HC74 is connected to the 2nd pin of the chip 74HC74, the 1st pin, the 4th pin, the 10th pin and the 13th pin of the chip 74HC74 are all connected to the 5V power supply The output terminals are connected, and the 3rd pin of the chip 74HC74 is connected with the 30th pin of the STC12C5A60S2 microcontroller.

As shown in Figure 6, in the present embodiment, the motor drive circuit 9 includes a chip AQMH2403ND, the first pin, the second pin and the sixth pin of the chip AQMH2403ND are all connected to the output end of the 5V power supply, so The 5th and 7th pins of the chip AQMH2403ND are grounded, the 3rd pin of the chip AQMH2403ND is connected to the 22nd pin of the STC12C5A60S2 microcontroller, the 4th pin of the chip AQMH2403ND is connected to the 4th pin of the STC12C5A60S2 microcontroller 21 pins are connected, the 8th pin of the chip AQMH2403ND is the signal output terminal OUT1 of the motor drive circuit 9, and the 9th pin of the chip AQMH2403ND is the signal output terminal OUT2 of the motor drive circuit 9.

As shown in Figure 7, in the present embodiment, the colored lamp driving circuit 11 includes a chip 74HC154, and the 23rd pin, the 22nd pin, the 21st pin and the 20th pin of the chip 74HC154 are respectively connected to the STC12C5A60S2 microcontroller The 39th pin, the 38th pin, the 37th pin and the 36th pin are connected;

The colored lamp lighting circuit 12 is composed of LED lamp D1, LED lamp D2, LED lamp D3, LED lamp D4, LED lamp D5, LED lamp D6, LED lamp D7, LED lamp D8, LED lamp D9, LED lamp D10, LED lamp D11, LED lights D12 and LED lights D13 are composed of LED lights D1, LED lights D2, LED lights D3, LED lights D4, LED lights D5, LED lights D6, LED lights D7, LED lights D8, LED lights D9, LED lights The cathodes of lamp D10, LED lamp D11, LED lamp D12 and LED lamp D13 are respectively connected to the first pin, the second pin, the third pin, the fourth pin, the fifth pin and the sixth pin of the chip 74HC154 , the 7th pin, the 8th pin, the 9th pin, the 10th pin, the 11th pin, the 13th pin and the 14th pin are connected, the LED lamp D1, the LED lamp D2, the LED lamp The anodes of D3, LED lamp D4, LED lamp D5, LED lamp D6, LED lamp D7, LED lamp D8, LED lamp D9, LED lamp D10, LED lamp D11, LED lamp D12 and LED lamp D13 are all in phase with the output terminal of the 12V power supply catch.

In this embodiment, the liquid crystal display 3 is an LCD12864 liquid crystal display.

When the utility model is in use, by storing the music data that you want to play in the data storage circuit 4 in advance, when you start using it, the music track information will be displayed in real time through the liquid crystal display 3, and you can choose the one you want to play by the key operation circuit 2 For music data, after pressing the button to select the track, the data transceiver will retrieve the music data in the data storage circuit 4, and send the music data to the power amplifier circuit 5 through the data transceiver 1, and pass through the two speakers after being filtered and amplified by the audio signal 6. Play the music track. At the same time, the F/V conversion circuit 7 obtains the music frequency signal from the output terminal of the power amplifier circuit 5. After frequency and voltage conversion, the frequency signal is converted into a voltage signal that can be processed by the data transceiver 1. After the A/D conversion The circuit 8 is analog-to-digital conversion, the data transceiver 1 obtains the music signal fed back by the signal conditioning circuit, and the motor drive circuit 9 drives the DC motor forward and reverse, drives the water pump 10 to spray water, and the different music signals drive the motor to drive the water pump to erupt. No, it gives people a different feeling. At the same time, the data transceiver 1 obtains the music signal fed back by the signal conditioning circuit, and drives the multiple LED lights in the color light emitting circuit 12 to emit light through the color light driving circuit 11. The music fountain is combined with color lights. Decoration, use effect is good.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the present utility model still belong to Within the scope of protection of the technical solution of the utility model.

Claims (8)

1. A lighting and music fountain control circuit, characterized in that: comprise a data transceiver (1) and a data storage circuit (4) connected to the data transceiver (1) for storing music data, the data transceiver The input terminal of the device (1) is connected with a key operation circuit (2) for selecting music tracks and a signal conditioning circuit for performing frequency-to-voltage conversion and analog-to-digital conversion on audio signals, and the output terminal of the data transceiver (1) It is connected with a liquid crystal display (3), a music output module for driving music signals and playing music, a water spray execution module for driving a DC motor to drive a water pump to spray water, and a colorful light emitting module for decorating a music fountain; The signal conditioning circuit includes an F/V conversion circuit (7) and an A/D conversion circuit (8) connected to the output end of the F/V conversion circuit (7), and the music output module includes a power amplification circuit (5) and the loudspeaker (6) connected to the output end of the power amplifying circuit (5), the output end of the power amplifying circuit (5) is also connected to an F/V conversion circuit (7); the water spray execution module includes A plurality of motor drive circuits (9) and a plurality of water pumps (10) respectively connected to the output terminals of the plurality of motor drive circuits (9); The colored lamp light-emitting circuit (12) connected to the output end of the colored lamp drive circuit (11); the power amplifier circuit (5), the A/D conversion circuit (8), the motor drive circuit (9) and the colored lamp drive circuit (11) are all connected with the data transceiver (1). 2. A lighting and music fountain control circuit according to claim 1, characterized in that: said data transceiver (1) is a STC12C5A60S2 single-chip microcomputer. 3. According to claim 2, a light music fountain control circuit is characterized in that: the power amplifier circuit (5) includes a chip TDA2822, the 7th pin of the chip TDA2822 is connected to the 10th pin of the STC12C5A60S2 microcontroller The 7th pin of the chip TDA2822 is also connected to one end of the resistor R5, the other end of the resistor R5 is grounded, the 8th pin of the chip TDA2822 is grounded through the polarity capacitor C9, and the 8th pin of the chip TDA2822 is connected to the ground through the polar capacitor C9. 6 pins are connected with the 11th pin of the STC12C5A60S2 microcontroller, the 6th pin of the chip TDA2822 is also connected with one end of the resistor R2, and the other end of the resistor R2 is grounded, and the 5th pin of the chip TDA2822 passes through the pole The polar capacitor C10 is grounded, the second pin of the chip TDA2822 is connected to the output terminal of the 3.3V power supply, the second pin of the chip TDA2822 is also connected to the positive pole of the polar capacitor C8, and the negative pole of the polar capacitor C8 is grounded , the fourth pin of the chip TDA2822 is grounded, the first pin of the chip TDA2822 is connected to the positive pole of the polar capacitor C4, and the negative output of the polar capacitor C4 is grounded through the non-polar capacitor C6 and the resistor R3 connected in series , the connection end of the negative pole of the polar capacitor C4 and the non-polar capacitor C6 is the signal output terminal INPUT of the power amplifier circuit (5), and the 3rd pin of the chip TDA2822 is connected with the positive pole of the polar capacitor C5, The negative output of the polar capacitor C5 is grounded through the non-polar capacitor C7 and resistor R4 connected in series; Described loudspeaker (6) comprises loudspeaker SP1 and loudspeaker SP2, and one end of described loudspeaker SP1 is connected with the signal output terminal INPUT of power amplifying circuit (5), and the other end of loudspeaker SP1 is grounded, and one end of described loudspeaker SP2 is connected with polarity The negative pole of the capacitor C5 is connected to the connection end of the non-polar capacitor C7, and the other end of the speaker SP2 is grounded. 4. A control circuit for light and music fountain according to claim 3, characterized in that: the F/V conversion circuit (7) includes an operational amplifier UA741 and a chip NE555, and the second pin of the operational amplifier UA741 passes through The series resistance R9 and the polarity capacitor C11 are connected with the signal output terminal INPUT of the power amplifier circuit (5), and the 3rd pin of the operational amplifier UA741 is connected with the 1st pin of the operational amplifier UA741 through the resistor R6, so The third pin of the operational amplifier UA741 is also connected to one end of the resistor R8, and the other end of the resistor R8 is divided into two outputs, one is grounded, and the other is connected to the negative pole of the polar capacitor C12, and the positive pole of the polar capacitor C12 is connected to the negative pole of the polar capacitor C12. The +12V power supply output terminal is connected, the 11th pin of the operational amplifier UA741 is connected with the +12V power supply output terminal, the fourth pin of the operational amplifier UA741 is connected with the -12V power supply output terminal, and the operational amplifier The first pin of UA741 is also connected with one end of the non-polar capacitor C13, the other end of the non-polar capacitor C13 is divided into two outputs, one is connected to the second pin of the chip NE555 through the diode IN4007, and the other is connected to the resistor One end of R10 is connected, and the second pin of the chip NE555 is also connected with one end of the resistor R11. The output of the sixth pin of the chip NE555 is divided into three routes, one of which is connected with the seventh pin of the chip NE555. The other road is connected to a fixed end of the sliding resistor R12, and the third road is connected to one end of the non-polar capacitor C14. The other fixed end of the sliding resistor R12, the sliding end of the sliding resistor R12, and the fourth pin and the 8th pin of the chip NE555 are all connected with the output terminal of the 5V power supply, the 5th pin of the chip NE555 is connected with one end of the non-polar capacitor C15, the other end of the non-polar capacitor C15, The first pin of the chip NE555, the other end of the non-polar capacitor C14, the other end of the resistor R11 and the other end of the resistor R10 are all grounded, the third pin of the chip NE555 is connected to one end of the resistor R13, and the resistor R13 The other end is the signal output end OUTPUT of the F/V conversion circuit (7). 5. The control circuit for a light music fountain according to claim 4, characterized in that: the A/D conversion circuit (8) includes a chip ADC0809 and a chip 74HC74, and the IN0 pin of the chip ADC0809 is connected to the F/V The signal output terminal OUTPUT of conversion circuit (7) is connected, and D0 of described chip ADC0809, D1, D2, D3, D4, D5, D6 and D7 pin are respectively with the 8th pin of STC12C5A60S2 single-chip microcomputer, the 7th pin, The 6th pin, the 5th pin, the 4th pin, the 3rd pin, the 2nd pin and the 1st pin are connected, and the ST, EOC and OE pins of the chip ADC0809 are respectively connected with the STC12C5A60S2 single-chip microcomputer. 14 pins, the 17th pin and the 16th pin are connected, the A, B, C, VREF- and GND pins of the chip ADC0809 are all grounded, and the VCC pin and VREF+ pin of the chip ADC0809 are connected to The 5V power supply output terminal is connected, the CLK pin of the chip ADC0809 is connected with the 9th pin of the chip 74HC74, the 8th pin of the chip 74HC74 is connected with the 12th pin of the chip 74HC74, and the chip 74HC74 The 11th pin of the chip is connected with the 6th pin of the chip 74HC74, the 5th pin of the chip 74HC74 is connected with the 2nd pin of the chip 74HC74, the 1st pin of the chip 74HC74, the 4th pin , the 10th pin and the 13th pin are all connected with the output terminal of the 5V power supply, and the 3rd pin of the chip 74HC74 is connected with the 30th pin of the STC12C5A60S2 microcontroller. 6. A light music fountain control circuit according to claim 2, characterized in that: the motor drive circuit (9) includes a chip AQMH2403ND, the first pin, the second pin and the sixth pin of the chip AQMH2403ND The pins are all connected to the output terminal of the 5V power supply, the 5th pin and the 7th pin of the chip AQMH2403ND are both grounded, the 3rd pin of the chip AQMH2403ND is connected to the 22nd pin of the STC12C5A60S2 microcontroller, and the The 4th pin of the chip AQMH2403ND is connected with the 21st pin of the STC12C5A60S2 microcontroller, the 8th pin of the chip AQMH2403ND is the signal output terminal OUT1 of the motor drive circuit (9), and the 9th pin of the chip AQMH2403ND is The signal output terminal OUT2 of the motor drive circuit (9). 7. The light music fountain control circuit according to claim 2, characterized in that: the colored light driving circuit (11) includes a chip 74HC154, the 23rd pin, the 22nd pin, and the 22nd pin of the chip 74HC154 The 21st pin and the 20th pin are respectively connected with the 39th pin, the 38th pin, the 37th pin and the 36th pin of the STC12C5A60S2 microcontroller; The colored lamp lighting circuit (12) is composed of LED lamp D1, LED lamp D2, LED lamp D3, LED lamp D4, LED lamp D5, LED lamp D6, LED lamp D7, LED lamp D8, LED lamp D9, LED lamp D10, Composed of LED lamp D11, LED lamp D12 and LED lamp D13, said LED lamp D1, LED lamp D2, LED lamp D3, LED lamp D4, LED lamp D5, LED lamp D6, LED lamp D7, LED lamp D8, LED lamp D9 , LED light D10, LED light D11, LED light D12 and LED light D13 cathodes are respectively connected to the first pin, the second pin, the third pin, the fourth pin, the fifth pin and the sixth pin of the chip 74HC154 pin, the 7th pin, the 8th pin, the 9th pin, the 10th pin, the 11th pin, the 13th pin and the 14th pin are connected, and the LED lamp D1, the LED lamp D2, The anodes of LED lamp D3, LED lamp D4, LED lamp D5, LED lamp D6, LED lamp D7, LED lamp D8, LED lamp D9, LED lamp D10, LED lamp D11, LED lamp D12 and LED lamp D13 are all output with 12V power supply connected end to end. 8. A lighting and music fountain control circuit according to claim 1, characterized in that: said liquid crystal display (3) is an LCD12864 liquid crystal display.