Acousto-optic interaction device and control method thereof

Abstract

According to the acousto-optic interaction device and the control method thereof provided by the invention, the microphone module is used for collecting the sound generated by playing the double-sided guqin and converting the sound into the sound signal, and the first signal processing device and the second signal processing device are matched to drive the lamp strip A and the lamp strip B to present the corresponding light effect according to the audio characteristics of the sound signal. Therefore, in the playing process of the musical instrument, the lamp strip A and the lamp strip B can be driven to generate different light effects along with the change of the audio characteristics of music, so that auditory feeling and peculiar and wonderful visual feeling are brought to people, and the improvement of the appeal of guqin performance is facilitated; meanwhile, through the cooperation of the turnover switch, the first signal processing device and the second signal processing device, the steering engine is driven to drive the turnover of the double-sided guqin, and the first guqin body panel and the second guqin body panel are switched for playing, so that the performance forms of the guqin are enriched, and the guqin can meet the playing requirements of various tones of music.

Description

Technical Field

[0001] The present invention relates to the field of musical instruments, and in particular to a sound-light interaction device and a control method thereof. Background Art

[0002] Guqin, also known as Yaoqin, Yuqin, Sitong and Qixianqin, is the most prestigious musical instrument in ancient China and is listed as the first of the four arts of qin, chess, calligraphy and painting. When playing traditional Guqin, its performance form is relatively simple. Although its music is timeless and moving, the visual effect of the performance is relatively monotonous and the stage appeal needs to be further improved.

[0003] At present, for string instruments such as guqin, lighting control technology is often used to enhance the visual effect of instrument performance and further enhance the stage appeal. For example, a guqin provided by Chinese patent CN109087615A increases the stage effect by installing sound-controlled lights in a plastic frame. In order to enrich the tones of string instruments such as guqin, a double-sided design can be adopted. For example, a double-sided vertical guqin provided by Chinese patent CN106997759A combines the essence of traditional harp and konghou by setting strings above the front and rear panels, has a full-tone structure, and is suitable for a variety of music.

[0004] In view of this, a sound and light interactive device based on the modification of the traditional guqin is provided by combining the traditional guqin and lighting control technology, so that the sound and light interactive device can have richer performance forms and obtain better audio-visual effects compared with the traditional guqin. Summary of the invention

[0005] In view of the problems in the prior art that the traditional guqin performance form is single, the visual effect is monotonous, and it is not convenient to switch and play music with multiple tones, the present invention is based on the modification of the traditional guqin and provides a sound and light interaction device and a control method thereof.

[0006] A sound-light interaction device comprises a double-sided guqin and a guqin stand, wherein the double-sided guqin comprises a guqin body, a flip switch is arranged on the guqin body, and a dragon pool and a phoenix pond are arranged on the side of the guqin body; the guqin body comprises a first guqin body panel and a second guqin body panel, a resonance cavity is formed between the first guqin body panel and the second guqin body panel, the dragon pool and the phoenix pond are communicated with the resonance cavity, and strings are arranged on both the first guqin body panel and the second guqin body panel; a soundproof board is arranged in the dragon pool, a first signal processing device and a microphone module are arranged in the soundproof board, and the microphone module is used to receive sound and convert it into a sound signal; the microphone module is electrically connected to the first signal processing device, and the sound signal is converted into a corresponding first light control signal according to the audio characteristics of the sound signal by the first signal processing device; the flip switch is used to send a flip signal, and the flip switch is electrically connected to the first signal processing device, and the first signal processing device is used to convert the sound signal into a corresponding first light control signal by the first signal processing device The flip signal is converted into a first flip control signal; the piano frame includes a bottom plate, on which a bottom frame and a light strip A are arranged, a second signal processing device and a signal amplifier are arranged in the bottom frame, the first signal processing device is wirelessly connected to the second signal processing device, a first side panel and a second side panel are respectively arranged on both sides of the bottom frame, the first side panel and the second side panel are outer-mounted with a shell, and a light strip B is arranged on the shell, the light strip A and the light strip B are respectively electrically connected to the second signal processing device, and the second signal processing device is used to receive and drive the light strip A and the light strip B to operate according to the first light control signal; a first bearing and a second bearing are respectively arranged on the first side panel and the second side panel, the double-sided guqin is rotatably connected between the first bearing and the second bearing and is flipped by a servo, the servo is electrically connected to the second signal processing device, and the second signal processing device is also used to receive and drive the servo to operate according to the first flip control signal.

[0007] Furthermore, the two ends of the piano body are fixedly connected with a first rotating shaft and a second rotating shaft respectively, the first rotating shaft and the second rotating shaft pass through the first bearing and the second bearing respectively, and are connected with a first flange coupling and a second flange coupling respectively, at least one of the first flange coupling and the second flange coupling is connected to a servo coupling, and the servo is fixedly connected to the other end of the servo coupling.

[0008] Furthermore, the first flange coupling and the second flange coupling each include a flange A and a sleeve A arranged in the central part of the flange A; the steering gear coupling includes a flange B and a sleeve B arranged in the central part of the flange B; the flange A and the flange B can be fixedly connected by bolts, and the sleeve B is sleeved on the driving shaft of the steering gear.

[0009] Furthermore, the light strip A and the light strip B are electrically connected to the second signal processing device through a signal amplifier, and the first signal processing device includes a first Arduino mainboard pre-stored with audio features of a plurality of sound signals and a first wireless communication module, and the flip switch, the microphone module and the first wireless communication module are electrically connected to the first Arduino mainboard; the second signal processing device includes a second Arduino mainboard pre-stored with lighting effects corresponding to a plurality of first lighting control signals and a second wireless communication module, and the servo, the light strip A, the light strip B and the second wireless communication module are electrically connected to the second Arduino mainboard; the first wireless communication module is wirelessly connected to the second wireless communication module.

[0010] Furthermore, the sound insulation board is also provided with a battery, a charge and discharge interface and a power switch. The battery is electrically connected to the first Arduino mainboard through the power switch, and the charge and discharge interface is electrically connected to the battery.

[0011] Furthermore, the first and second piano body panels are both provided with piezoelectric pickups, and the piezoelectric pickups are arc-shaped structures adapted to the first and second piano body panels.

[0012] Furthermore, a servo power supply and a switch power supply are also provided in the chassis, the servo power supply is electrically connected to the servo, and the switch power supply is electrically connected to the second Arduino mainboard.

[0013] Furthermore, a plurality of mounting grooves are arranged on the bottom plates at both sides of the base frame, decorative plates are installed on the mounting grooves, a cover plate is arranged on the base frame, and the bottom plate, the outer shell, the decorative plate and the cover plate are all made of transparent acrylic material.

[0014] Furthermore, a light strip switch is provided on the piano body, and the light strip switch is electrically connected to the first signal processing device. The light strip switch has a plurality of opening modes corresponding to different lighting effects.

[0015] The present invention also provides a control method for a sound-light interactive device, which is used to control a sound-light interactive device as described in claims 1 to 8 to perform a performance, and includes a light control method S1 and a flip control method S2, wherein the light control method S1 includes the following steps: S11: a microphone module collects and receives the sound emitted by a double-sided guqin, and converts the sound into a sound signal; S12: a first signal processing device receives the sound signal transmitted by the microphone module, and extracts the audio feature of the sound signal, matches it with the audio feature of the sound signal pre-stored in the first signal processing device, generates a corresponding first light control signal and transmits it; S13: a second signal processing device receives the first light control signal, and converts the first light control signal into a second signal processing device; The first signal processing device matches the lighting effect corresponding to the first lighting control signal pre-stored in the signal processing device to generate a second lighting control signal; S14: the light strips A and B receive the second lighting control signal, and then control the light strips A and B to present corresponding lighting effects through the second lighting control signal; the flip control method S2 step includes: S21: pressing the flip switch, the flip switch sends a flip signal to the first signal processing device, the first signal processing device converts the flip signal into a first flip control signal and transmits it; S22: the second signal processing device receives the first flip control signal transmitted by the first signal processing device, generates a second flip control signal and sends it, driving the servo to operate; S23: the servo operates to drive the double-sided guqin to flip.

[0016] The beneficial effects of the present invention are as follows: the present invention provides a sound-light interaction device, which collects the sound emitted by the double-sided guqin performance through the microphone module during performance and converts it into a sound signal, and drives the light strips A and B to present corresponding lighting effects according to the audio characteristics of the sound signal through the cooperation of the first Arduino mainboard, the first wireless communication module, the second wireless communication module and the second Arduino mainboard, so that during the performance of the musical instrument, the light strips A and B can be driven to produce different lighting effects as the audio characteristics of the music change, thereby realizing sound-light interaction, thereby bringing people auditory experience while also bringing a unique and wonderful visual experience, which is conducive to enhancing the appeal of the guqin performance.

[0017] At the same time, by cooperating with the flip switch, the first Arduino mainboard, the first wireless communication module, the second wireless communication module and the second Arduino mainboard, the servo is driven to drive the first rotating shaft and the second rotating shaft to rotate, so as to realize the flipping of the double-sided guqin, and switch the first body panel and the second body panel of the guqin with strings tuned by different tuning methods for playing, thereby enriching the performance form of the guqin and realizing multiple uses of one guqin, so that it can meet the performance needs of a variety of music with different tones.

[0018] The present invention also provides a control method for a sound-light interactive device, which collects and transmits sound signals through a microphone module, sends corresponding control signals through the audio characteristics of the sound signals, drives light strips A and B to present different lighting effects, and enhances the audio-visual experience of guqin performance; at the same time, sends a flip signal through a flip switch, thereby controlling the double-sided guqin to flip, thereby realizing the switching of the panel used for double-sided guqin performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure of an acoustic-optical interaction device provided by the present invention;

[0020] Figure 2 The present invention provides Figure 1 Schematic diagram of the decomposed structure of part A;

[0021] Figure 3 A schematic cross-sectional structure diagram of an acoustic-optical interaction device provided by the present invention;

[0022] Figure 4 An exploded diagram of an acoustic-optical interactive device provided by the present invention;

[0023] Figure 5 A schematic diagram of the structure of the sound insulation board provided by the present invention;

[0024] Figure 6 A schematic diagram of the lighting control method S1 provided by the present invention;

[0025] Figure 7 A schematic diagram of the flow of the flip control method S2 provided by the present invention;

[0026] Figure 8 A schematic diagram of the principles of an acoustic-optical interaction device and a control method thereof provided by the present invention.

[0027] Figure ID

[0028] 1. Double-sided guqin; 11. Guqin body; 111. First guqin body panel; 112. Second guqin body panel; 113. Resonance chamber; 114. Strings; 12. Flip switch; 13. Dragon pond; 14. Phoenix marsh; 15. Soundproof board; 151. First signal processing device; 1511. First Arduino motherboard; 1512. First wireless communication module; 152. Microphone module; 153. Charging and discharging interface; 154. Battery; 155. Power switch; 16. Mounting hole; 17. Hexagonal nut; 18. First rotating shaft; 181. Hexagonal nut; 182. Rod body; 183. Thread; 19. Second rotating shaft; 20. Light strip switch;

[0029] 2. Music stand; 21. Bottom plate; 211. Mounting slot; 22. Bottom frame; 221. First side plate; 2211. Light strip B; 2212. Housing; 222. Second side plate; 23. Light strip A; 24. Mounting cavity; 25. Second signal processing device; 251. Second Arduino motherboard; 252. Second wireless communication module; 26. Signal amplifier; 27. Servo power supply; 28. Switching power supply; 29. ​​First bearing; 30. Second bearing; 31. First flange coupling; 311. Flange A; 312. Bushing A; 32. Second flange coupling; 33. Servo coupling; 331. Flange B; 332. Bushing B; 34. Servo; 35. Decorative plate; 36. Cover plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Furthermore, the terms “first”, “second”, etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

[0032] See also Figures 1 to 5 As shown, a sound and light interactive device includes a double-sided guqin 1 and a guqin stand 2. The double-sided guqin 1 is elevated by the guqin stand 2 and is installed on the guqin stand 2.

[0033] Specifically, the double-sided guqin 1 includes a guqin body 11, on which a flip switch 12 is provided, and on the side of the guqin body 11, a dragon pool 13 and a phoenix pond 14 are provided; the guqin body 11 includes a first guqin body panel 111 and a second guqin body panel 112, a resonance cavity 113 is formed between the first guqin body panel 111 and the second guqin body panel 112, the dragon pool 13 and the phoenix pond 14 are connected to the resonance cavity 113, and strings 114 are provided on both the first guqin body panel 111 and the second guqin body panel 112.

[0034] Among them, the dragon pool 13 and the phoenix pond 14 are square through holes that penetrate the zither body 12 from the side thereof. A sound insulation board 15 is provided in the dragon pool 13. The dragon pool 13 and the phoenix pond 14 serve as sound holes of the double-sided guqin 11. The opening area of ​​the dragon pool 13 can be adjusted by sliding the sound insulation board 15, thereby achieving the effect of controlling the timbre and volume of the guqin.

[0035] The soundproof board 15 is provided with a first signal processing device 151 and a microphone module 152. The microphone module 152 is used to receive the sound produced by the guqin performance and convert it into a sound signal. The microphone module 152 is electrically connected to the first signal processing device 151, and converts the sound signal into a corresponding first light control signal according to the audio characteristics of the sound signal through the first signal processing device 151. The flip switch 12 is used to send a flip signal. The flip switch 12 is electrically connected to the first signal processing device 151, and the flip signal is converted into a first flip control signal through the first signal processing device 151 and transmitted.

[0036] Among them, the first signal processing device 151 includes a first Arduino mainboard 1511 and a first wireless communication module 1512, and the first Arduino mainboard 1511 pre-stores audio features of several sound signals. The first Arduino mainboard 1511 extracts the audio features of the sound signal, matches the extracted audio features with the audio features of the sound signal pre-stored therein, and converts the sound signal into a corresponding first light control signal. The audio features include but are not limited to one or more of the frequency, amplitude, pitch, loudness and timbre of the audio. In this embodiment, the audio features are preferably the timbre of the pentatonic scale of Gong, Shang, Jiao, Zheng and Yu emitted by the guqin, and the timbre of each scale corresponds to a different first light control signal; different first light control signals control the light strip to present different light effects.

[0037] The flip switch 12, the microphone module 152 and the first wireless communication module 1512 are all electrically connected to the first Arduino mainboard 1511. The flip switch 12 sends a flip signal, which is received by the first Arduino mainboard 1511 and converted into a first flip control signal and transmitted; the microphone module 152 sends a sound signal, which is received by the first Arduino mainboard 1511 and matched with the audio features of a plurality of sound signals pre-stored in the first Arduino mainboard 1511, and outputs a corresponding first light control signal.

[0038] The sound insulation board 15 is also provided with a battery 154, a charge and discharge interface 153 and a power switch 155. The battery 154 is electrically connected to the first Arduino mainboard 1511 through the power switch 155, and the charge and discharge interface 153 is electrically connected to the battery 154. In this embodiment, the battery 154 is a 3.7V lithium battery, which is charged through the charge and discharge interface 153 and supplies power to the first Arduino mainboard 1511 and the first wireless communication module 1512 and the microphone module 152 electrically connected to the first Arduino mainboard 1511; the power switch 155 is used to control the on and off of the power supply of the battery 154.

[0039] The strings 114 on the first body panel 111 and the second body panel 112 are tuned by different tuning methods. In this embodiment, the strings 114 are steel strings or nylon strings, the first body panel 111 is tuned by positive tuning, and the second body panel 112 is tuned by tight five strings, so that the first body panel 111 and the second body panel 112 can play music with different tone requirements, and the music with different tones can be played by flipping the body 11, which enriches the performance form and performance effect of the double-sided guqin 1, is suitable for playing more music, and realizes multiple uses of one guqin.

[0040] The first and second body panels 111, 112 are both equipped with piezoelectric pickups (not shown in the figure) to avoid the problem of low sound during the performance of the double-sided guqin 1; the piezoelectric pickups are arc-shaped structures that are compatible with the first and second body panels 111, 112, and are manufactured through 3D modeling to fit the first and second body panels 111, 112, so that the pickups can pick up sound while avoiding interference with plucking the strings during performance.

[0041] In the present invention, the piano body 11 is also provided with a light strip switch 20, which can also switch and control the light effects of the sound and light interactive device together with the microphone module 152, thereby increasing the diversity of the light effect switching function of the sound and light interactive device. The light strip switch 20 is electrically connected to the first Arduino mainboard 1511 of the first signal processing device 151, and the light strip switch 20 is provided with a plurality of opening modes corresponding to different light effects, and triggers the opening of different light effects by pressing the light strip switch continuously once or multiple times, and triggers different first light control signals corresponding to different pressing times, and then matches the first light control signal with the light effects corresponding to the first light control signals pre-stored in the second Arduino mainboard 251, outputs the corresponding second light control signal, and drives the light strip A23 and the light strip B2211 to present different light effects.

[0042] In the present embodiment, the piano frame 2 is in the shape of a wok-ear building as a whole, and the piano frame 2 includes a bottom plate 21, on which a base frame 22 and a light strip A23 are provided. In the present embodiment, two light strips A23 are provided, which are respectively arranged on the bottom plate 21 on both sides of the base frame 22. A plurality of installation cavities 24 interconnected with each other are provided in the base frame 22, and a second signal processing device 25 and a signal amplifier 26 are provided in the installation cavity 24. The first signal processing device 151 is wirelessly connected to the second signal processing device 25. A first side panel 221 and a second side panel 222 are respectively provided on both sides of the base frame 22, and a shell 2211 is provided on the outer cover of the first side panel 221 and the second side panel 222, and a light strip B2211 is provided on the shell 2211. The light strips A23 and B2211 are electrically connected to the second signal processing device 25 through the signal amplifier 26. The second signal processing device 25 is used to receive and drive the light strips A23 and B2211 to operate according to the first light control signal to present different light effects. In this embodiment, the second signal processing device 25 receives the first light control signal and matches it with the light effect corresponding to the first light control signal pre-stored in the second signal processing device 25, and generates a second light control signal to drive the light strips A23 and B2211 to operate.

[0043] Among them, the second signal processing device 25 includes a second Arduino mainboard 251 and a second wireless communication module 252. The second Arduino mainboard 251 pre-stores a number of lighting effects corresponding to the first lighting control signals. The servo 34, light strip A23, light strip B2211 and the second wireless communication module 252 are all electrically connected to the second Arduino mainboard 251; the first wireless communication module 1512 is wirelessly connected to the second wireless communication module 252. In this embodiment, the first wireless communication module 1512 and the second wireless communication module 252 both use nrf wireless communication modules.

[0044] The second Arduino mainboard 251 receives the first flip control signal and the first light control signal through the second wireless communication module 252, converts the first flip control signal into a second flip control signal, and then drives the servo 34 to operate; by matching the first light control signal with the light effects corresponding to the first light control signals pre-stored in the second Arduino mainboard 251, the corresponding second light control signal is output, and then the light strips A23 and B2211 are driven to present corresponding light effects.

[0045] The light strips A23 and B2211 are provided with silicone tubes on their outer shells to soften the light. The light effects of the light strips A23 and B2211 include but are not limited to one or more of light color, light brightness, and light flickering frequency. In this embodiment, the light strips A and B are both WS2812B light strips.

[0046] The signal amplifier 26 is used to amplify the second light control signal from the second Arduino mainboard 251, so that one signal source can be used for multiple light strips, avoiding the problem of poor light-emitting effect of the lamp beads due to insufficient signal strength. In this embodiment, two signal amplifiers 26 are provided to amplify the light strip control signal, and the signal amplifiers 26 are both SP901E light strip signal amplifiers.

[0047] A servo power supply 27 and a switching power supply 28 are also provided in the installation cavity 24 of the base frame 22. The servo power supply 27 is electrically connected to the servo 34 for powering the servo 34; the switching power supply 28 is electrically connected to the second Arduino mainboard 251 for powering the second Arduino mainboard 251 and the second wireless communication module 252 electrically connected thereto, the light strip A23 and the light strip B2211.

[0048] A plurality of mounting grooves 211 are provided on the bottom plate 21 on both sides of the base frame 22, and decorative panels 35 are installed on the mounting grooves 211. The decorative panels 35 are in a wave shape or a mountain shape, making the device more beautiful; a cover plate 36 is provided on the base frame 22, and the bottom plate 21, the outer shell 2211, the decorative panel 35 and the cover plate 36 are all made of transparent acrylic material. The transparent acrylic material has good light transmittance and can better show the lighting effects of the light strip A23 and the light strip B2211.

[0049] The first side plate 221 and the second side plate 222 are provided with a first bearing 29 and a second bearing 30 respectively. The double-sided guqin 1 is rotatably connected between the first bearing 29 and the second bearing 30 and is driven to flip by a steering gear 34 .

[0050] The first rotating shaft 18 and the second rotating shaft 19 are fixedly connected at both ends of the piano body, respectively. The first rotating shaft 18 and the second rotating shaft 19 pass through the first bearing 29 and the second bearing 30 and are respectively connected with the first flange coupling 31 and the second flange coupling 32. At least one of the first flange coupling 31 and the second flange coupling 32 is connected with a steering gear coupling 33, and the steering gear 34 is fixedly connected to the other end of the steering gear coupling 33. In this embodiment, the first flange coupling 31 is connected with the steering gear coupling 33.

[0051] The first rotating shaft 18 and the second rotating shaft 19 are both screw rods, and the screw rods include a hexagonal nut 181 and a rod body 182, and the end of the rod body 182 is provided with a thread 183. The two ends of the double-sided guqin 1 are provided with mounting holes 16, and the mounting holes 16 are built with internal hexagonal nuts 17 matching the hexagonal nut 181. The double-sided guqin 1 is fixedly connected by the matching of the hexagonal nut 181 and the internal hexagonal nut 17; the sleeve A312 is sleeved on the end of the rod body 182 and fixedly connected by the thread 183303. In this embodiment, the sleeve A312 of the first flange coupling 31 is fixed to the end of the rod body 182 of the first rotating shaft 18, and the first rotating shaft 18 rotates following the rotation of the first flange coupling 3132, and drives the second rotating shaft 19 to rotate.

[0052] The first flange coupling 31 and the second flange coupling 32 both include a flange A311 and a sleeve A312 arranged in the central part of the flange A311; the servo coupling 33 includes a flange B331 and a sleeve B332 arranged in the central part of the flange B331; the flange A311 and the flange B331 can be fixedly connected by bolts, and the sleeve B332 is sleeved on the driving shaft of the servo 34.

[0053] In this embodiment, the flange A311 of the first flange coupling 31 is fixedly connected to the flange B331 of the servo coupling 3334, so that the servo coupling 33 rotates following the driving shaft of the servo 34, thereby driving the flange A311 fixedly connected to the servo coupling 33 to rotate, that is, driving the first flange coupling 31 to rotate.

[0054] refer to Figure 6 and Figure 7 As shown, the present invention also provides a control method for a sound-light interactive device, which is used to control a sound-light interactive device as described above to perform a performance, and includes a light control method S1 and a flip control method S2, wherein the light control method S1 includes the following steps:

[0055] S11: The microphone module 152 collects and receives the sound emitted by the double-sided guqin 1 and converts the sound into a sound signal.

[0056] S12: The first signal processing device 151 receives the sound signal transmitted by the microphone module 152, extracts the audio features of the sound signal, matches it with the audio features of the sound signal pre-stored in the first signal processing device, generates a corresponding first light control signal and transmits it.

[0057] S13: The second signal processing device 25 receives the first light control signal, and matches the first light control signal with the light effect corresponding to the first light control signal pre-stored in the second signal processing device 25 to generate a second light control signal.

[0058] S5: The light strips A and B receive the second light control signal, and then control the light strips A23 and B2211 to present corresponding light effects through the second light control signal.

[0059] In this embodiment, a signal amplifier 26 is further used to receive the second light control signal, and after amplifying the second light control signal, the signal is transmitted to the light strips A23 and B2211, thereby driving the light strips A23 and B2211 to present corresponding light effects.

[0060] The flip control method S2 step includes:

[0061] S21: Press the flip switch 12, the flip switch 12 sends a flip signal to the first signal processing device 151, and the first signal processing device 151 converts the flip signal into a first flip control signal and transmits it.

[0062] S22: The second signal processing device 25 receives the first flip control signal transmitted by the first signal processing device 151, generates and sends a second flip control signal, and drives the steering engine 34 to operate.

[0063] S23: The steering gear 34 operates to drive the double-sided guqin 1 to flip.

[0064] The first signal processing device 151 includes a first Arduino mainboard 1511 and a first wireless communication module 1512, and the second signal processing device 25 includes a second Arduino mainboard 251 and a second wireless communication module 252, and the first wireless communication module 1512 is wirelessly connected to the second wireless communication module 252. The servo 34, light strip A23, light strip B2211 and the second wireless communication module 252 are all electrically connected to the second Arduino mainboard 251, and the servo 34, light strip A23, light strip B2211 are driven to operate through the second Arduino mainboard 251 to issue a voice control command.

[0065] See also Figure 8As shown and combined with the above, a sound and light interactive device performance and control method thereof provided by the present invention can send a flip signal to the first Arduino mainboard 1511 through the flip switch 12, and the first Arduino mainboard 1511 converts the flip signal into a first flip control signal and transmits it to the second Arduino mainboard 251 through the first wireless communication module 1512 and the second wireless communication module 252, and the second Arduino mainboard 251 converts the first flip control signal into a second flip signal and sends it, driving the servo 34 to drive the servo coupling 33 to rotate, thereby causing the first flange coupling 31 connected to the servo coupling 33 to drive the first rotating shaft 18 and the second rotating shaft 19 to rotate, thereby realizing the flipping of the double-sided guqin 1, switching the first guqin body panel 111 or the second guqin body panel 112 for performance, so that the double-sided guqin 1 can play music of different tones by flipping the guqin body 11, enriching the performance form and performance effect of the double-sided guqin 1, and being suitable for the performance of more music, realizing multiple uses of one guqin.

[0066] At the same time, the microphone module 152 is used to collect the sound emitted by the double-sided guqin 1 and convert it into a sound signal, and the first Arduino mainboard 1511 is provided with an audio feature of the sound signal to match the audio feature of the sound signal pre-stored therein, and a corresponding first light control signal is issued and received and transmitted to the second Arduino mainboard 251 through the first wireless communication module 1512 and the second wireless communication module 252. The second Arduino mainboard 251 matches the received first light control signal with the light effect corresponding to the pre-stored first light control signal, and issues a second light control signal; after amplification by the signal amplifier 26, the light strips A23 and B2211 can be driven to produce different light effects as the audio features of the music change, thereby bringing people an auditory experience as well as a unique and wonderful visual experience, which is conducive to enhancing the appeal of the guqin performance and enhancing the audio-visual experience.

[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than a limiting technical solution. Those skilled in the art should understand that those modifications or equivalent substitutions of the technical solution of the present invention that do not depart from the purpose and scope of the technical solution should be included in the scope of the claims of the present invention.

Claims

1. An acoustic-optical interactive device, characterized in that: The double-sided guqin comprises a guqin body, a flip switch is arranged on the guqin body, and a dragon pool and a phoenix pond are arranged on the side of the guqin body; the guqin body comprises a first guqin body panel and a second guqin body panel, a resonance cavity is formed between the first guqin body panel and the second guqin body panel, the dragon pool and the phoenix pond are connected to the resonance cavity, and strings are arranged on the first guqin body panel and the second guqin body panel; A soundproof board is provided in the dragon pool, and a first signal processing device and a microphone module are provided in the soundproof board, and the microphone module is used to receive sound and convert it into a sound signal; the microphone module is electrically connected to the first signal processing device, and the first signal processing device converts the sound signal into a corresponding first light control signal according to the audio characteristics of the sound signal; the flip switch is used to send a flip signal, and the flip switch is electrically connected to the first signal processing device, and the first signal processing device converts the flip signal into a first flip control signal; The piano frame comprises a bottom plate, on which a bottom frame and a light strip A are arranged, a second signal processing device and a signal amplifier are arranged in the bottom frame, the first signal processing device is wirelessly connected to the second signal processing device, a first side plate and a second side plate are respectively arranged on both sides of the bottom frame, the first side plate and the second side plate are respectively provided with a shell, and the shells are both provided with a light strip B, the light strip A and the light strip B are respectively electrically connected to the second signal processing device, and the second signal processing device is used to receive and drive the light strip A and the light strip B to operate according to the first light control signal; The first side panel and the second side panel are respectively provided with a first bearing and a second bearing. The double-sided guqin is rotatably connected between the first bearing and the second bearing and is driven to flip by a servo. The servo is electrically connected to the second signal processing device. The second signal processing device is also used to receive and drive the servo to operate according to the first flip control signal.

2. The sound-light interaction device according to claim 1, characterized in that: The two ends of the piano body are fixedly connected with a first rotating shaft and a second rotating shaft respectively. The first rotating shaft and the second rotating shaft pass through a first bearing and a second bearing respectively, and are connected with a first flange coupling and a second flange coupling respectively. At least one of the first flange coupling and the second flange coupling is connected to a servo coupling, and the servo is fixedly connected to the other end of the servo coupling.

3. The sound-light interaction device according to claim 2, characterized in that: The first flange coupling and the second flange coupling both include a flange A and a sleeve A arranged in the central part of the flange A; the steering gear coupling includes a flange B and a sleeve B arranged in the central part of the flange B; the flange A and the flange B can be fixedly connected by bolts, and the sleeve B is sleeved on the driving shaft of the steering gear.

4. The sound-light interaction device according to claim 1, characterized in that: The light strips A and B are both electrically connected to the second signal processing device through a signal amplifier, and the first signal processing device includes a first Arduino mainboard storing audio features of a plurality of sound signals and a first wireless communication module, and the flip switch, the microphone module and the first wireless communication module are all electrically connected to the first Arduino mainboard; the second signal processing device includes a second Arduino mainboard storing lighting effects corresponding to a plurality of first lighting control signals and a second wireless communication module, and the servo, the light strip A, the light strip B and the second wireless communication module are all electrically connected to the second Arduino mainboard; the first wireless communication module is wirelessly connected to the second wireless communication module.

5. The sound-light interaction device according to claim 4, characterized in that: The sound insulation board is also provided with a battery, a charge and discharge interface and a power switch. The battery is electrically connected to the first Arduino mainboard via the power switch, and the charge and discharge interface is electrically connected to the battery.

6. The sound-light interaction device according to claim 4, characterized in that: A servo power supply and a switch power supply are also provided in the chassis. The servo power supply is electrically connected to the servo, and the switch power supply is electrically connected to the second Arduino mainboard.

7. The sound-light interaction device according to claim 1, characterized in that: The first and second piano body panels are both provided with piezoelectric pickups, and the piezoelectric pickups are arc-shaped structures adapted to the first and second piano body panels.

8. The sound-light interaction device according to claim 1, characterized in that: A plurality of mounting grooves are arranged on the bottom plates at both sides of the bottom frame, decorative plates are installed on the mounting grooves, a cover plate is arranged on the bottom frame, and the bottom plate, the shell, the decorative plate and the cover plate are all made of transparent acrylic material.

9. The sound-light interaction device according to claim 1, characterized in that: The piano body is also provided with a light strip switch, which is electrically connected to the first signal processing device. The light strip switch has a plurality of opening modes corresponding to different lighting effects.

10. A control method for an acoustic-optical interactive device, characterized in that: It is used to control a sound and light interactive device as claimed in any one of claims 1 to 8 to perform a performance, and includes a light control method S1 and a flip control method S2, wherein the light control method S1 includes the following steps: S11: The microphone module collects and receives the sound emitted by the double-sided guqin and converts the sound into a sound signal; S12: The first signal processing device receives the sound signal transmitted by the microphone module, extracts the audio feature of the sound signal, matches it with the audio feature of the sound signal pre-stored by the first signal processing device, generates a corresponding first light control signal and transmits it; S13: The second signal processing device receives the first light control signal, and matches the first light control signal with the light effect corresponding to the first light control signal pre-stored in the second signal processing device to generate a second light control signal; S14: the light strip A and the light strip B receive the second light control signal, and then control the light strip A and the light strip B to present corresponding light effects through the second light control signal; The flip control method S2 step includes: S21: Press the flip switch, the flip switch sends a flip signal to the first signal processing device, and the first signal processing device converts the flip signal into a first flip control signal and transmits it; S22: The second signal processing device receives the first flip control signal transmitted by the first signal processing device, generates and sends a second flip control signal, and drives the steering gear to operate; S23: The servo operates to drive the double-sided guqin to flip.

Images