A stringless smart guitar

Abstract

The present invention discloses a stringless smart guitar, which includes a guitar body and a quality detection and switching device, a main control module, and an audio output module configured on the guitar body; the quality detection and switching device includes a fingerboard, and seven groups of light sensing probes are arranged on the fingerboard along its length direction, and two adjacent light sensing probes are arranged at intervals to form seven quality areas; each group of light sensing probes is provided with six first light sensing probes along the width direction of the fingerboard; a quality switching button is provided on the fingerboard, which is electrically connected to the main control module; the main control module is electrically connected to the audio output module for emitting the sound of the 1st to 7th frets / 8th to 14th frets / 15th to 21st frets. The stringless smart guitar provided by the embodiment of the present invention effectively reduces the size of the guitar by switching and optimizing the guitar quality, making it easy to carry, and does not need to be pressed continuously when playing, avoiding damage to the fingers of the player.

Description

Technical Field

[0001] The invention relates to the technical field of musical instruments, and in particular to a stringless intelligent guitar. Background Art

[0002] The guitar is a stringed instrument that produces sound by plucking the strings. The "frets" in the guitar are also called "positions" or "frets". They are the basic positions that allow the strings to produce sounds of different frequencies. When playing the guitar, the performer presses different frets with one hand and plucks the strings with the other hand. Through the coordination of the two hands, the lengths of the strings involved in the vibration are different, which in turn results in sounds of different frequencies. This is also the basic sound-producing principle of the guitar.

[0003] Today's traditional guitars are usually edited for 21 frets. There are 21 fret areas on the guitar body, and the frets in different areas correspond to different ranges of playing. For electric guitars, there are coils of a certain length on the guitar body corresponding to the 21 fret areas. By pressing the coils, the magnetic flux changes, and then currents of different frequencies are generated, and finally the sounds of different frets are restored through electronic speakers.

[0004] As can be seen from the above, in the prior art, whether it is an electric guitar or a traditional guitar, the 21-fret design structure makes the guitar larger in size and inconvenient to carry. In addition, the existing guitar requires the player to continuously press the keys when playing, which can easily cause damage to the player's fingers and is not conducive to guitar playing. Summary of the invention

[0005] The embodiment of the present invention provides a stringless smart guitar to solve the technical problems that the existing guitars are large in size and require long time to press. By switching and optimizing the guitar frets, the size of the guitar can be effectively reduced, making it easy to carry, and there is no need to press continuously when playing, avoiding damage to the player's fingers.

[0006] In order to solve the above technical problems, an embodiment of the present invention provides a stringless smart guitar, which includes a guitar body and a fret detection and switching device, a main control module, and an audio output module configured on the guitar body;

[0007] The fret detection and switching device includes a fingerboard, which is arranged in the neck area of ​​the guitar body;

[0008] The fingerboard is provided with seven groups of light-sensing probes along its length direction, and two adjacent groups of light-sensing probes are arranged at intervals to form seven grade areas;

[0009] Each group of the light sensing probes is provided with six first light sensing probes along the width direction of the fingerboard; the first light sensing probes are electrically connected to the main control module;

[0010] The fingerboard is provided with a fret switch button, and the fret switch button is electrically connected to the main control module;

[0011] The main control module is electrically connected to the audio output module for emitting sounds in the 1st to 7th frets / 8th to 14th frets / 15th to 21st frets range.

[0012] As a preferred solution, the guitar body is further provided with a bar device, which includes a plucking rocker bar device crossbeam, a rocker switch rocker arm and a PCB circuit board;

[0013] The bottom end of the crossbeam of the plucking rocker bar device is fixedly connected with two rocking switch rocker arm covers and a rocking bar of the plucking rocker bar device, and the two rocking switch rocker arm covers are respectively located on both sides of the rocking bar of the plucking rocker bar device;

[0014] A rocking switch base is fixedly connected to the upper surface of the PCB circuit board, and the rocking switch base is movably connected to the rocking switch rocker arm; a rocking switch electrical signal pin is provided at the bottom of the rocking switch base, and the rocking switch electrical signal pin is electrically connected to the PCB circuit board, the top of the rocking switch rocker arm is clamped with the rocking switch rocker arm sleeve, a rocking arm displacement detection element is provided on the PCB circuit board, and the rocking arm displacement detection element is located directly below the rocking arm of the plucking rocker bar device.

[0015] As a preferred solution, it also includes function indicator lights and function buttons configured on the guitar body, and the function indicator lights and the function buttons are both electrically connected to the main control module.

[0016] As a preferred embodiment, the function keys include tone keys, and the tone keys are electrically connected to the audio output module for emitting original acoustic guitar tone / classic pure guitar tone / classical original guitar tone / roots rock guitar tone / hard rock guitar tone / original bass tone / electric bass tone / ukulele tone.

[0017] As a preferred solution, it also includes a stringless optical fret string transceiver probe group configured on the guitar body;

[0018] The stringless light-sensitive fret string transceiver probe group includes six second light-sensitive probes arranged on the string-pressing plate, and the second light-sensitive probes are electrically connected to the main control module.

[0019] As a preferred solution, it also includes a built-in power supply, which is a rechargeable lithium battery.

[0020] As a preferred solution, the audio output module includes an external speaker and an audio interface; the audio interface is connected to an external audio receiving device.

[0021] As a preferred solution, it also includes a plurality of communication interfaces configured on the guitar body, and the main control module is provided with a plurality of communication units electrically connected to the communication interfaces respectively.

[0022] As a preferred solution, the number of the communication interfaces is three, and the three communication interfaces are respectively a USB communication port, an analog Bluetooth port, and a BLE4.0 digital Bluetooth interface.

[0023] As a preferred solution, the main control module includes a MIDI processor.

[0024] Compared with the prior art, the beneficial effect of the embodiments of the present invention is that by setting a light sensing probe to collect finger positions, there is no need to press to produce sound, thus avoiding damage to the player's fingers, greatly reducing the difficulty of playing, improving the enthusiasm of piano learners, and realizing stringless playing; a fret detection and switching device is provided on the guitar body, and under the control of the main control module, by switching buttons, it can be ensured that the audio output module corresponds to the sound range of the 1st to 7th frets / 8th to 14th frets / 15th to 21st frets, without setting all 21 fret areas, and the size structure of the guitar is greatly reduced, and it can be easily put in a travel bag or handbag for easy carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of a stringless smart guitar in an embodiment of the present invention;

[0026] Figure 2 is a schematic diagram of the grade area corresponding to the grade detection and switching device in the embodiment of the present invention;

[0027] Figure 3 is a schematic structural diagram of a strip device in an embodiment of the present invention;

[0028] Figure 4 is a schematic structural diagram of a PCB circuit board in a bar device in an embodiment of the present invention;

[0029] Figure 5 1 is a schematic structural diagram of a crossbeam of a plucking rocker bar device in an embodiment of the present invention;

[0030] Figure 6 is a schematic structural diagram of a rocker switch rocker arm in an embodiment of the present invention;

[0031] Figure 7 is a schematic diagram of the functional modules of a stringless smart guitar in an embodiment of the present invention;

[0032] Among them, 1. guitar body; 2. fret detection and switching device; 3. bar device; 4. function indicator light; 5. function button; 6. stringless light-sensing fret string transceiver probe group; 7. built-in power supply; 8. audio output module; 9. communication interface; 10. main control module; 21. fingerboard; 22. light-sensing probe group; 23. fret switching button; 31. plucking rocker bar device crossbeam; 32. rocker switch arm; 33. PCB circuit board; 34. rocker switch arm cover; 35. plucking rocker bar device rocker; 36. rocker switch base; 37. rocker switch electrical signal pin; 38. rocker arm displacement detection element. DETAILED DESCRIPTION

[0033] 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.

[0034] In the description of the present application, it should be understood that the terms "length", "width", "left", "right", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0035] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0036] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected", "connected", and "provided with" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] An embodiment of the present invention provides a stringless smart guitar. For details, see Figure 1 , Figure 1This is a structural schematic diagram of a stringless smart guitar provided in an embodiment of the present invention, which includes a guitar body 1 and a fret detection and switching device 2, a main control module 10, and an audio output module 8 configured on the guitar body 1.

[0038] It should be noted that the stringless smart guitar in this embodiment adheres to the traditional playing method and habits, and the fret detection and switching device is arranged in the neck area of ​​the guitar body. Generally speaking, the performer usually controls the pitch by pressing the frets in the neck area with the left hand, and controls the rhythm by playing with the right hand. The left and right hands can cooperate to perform normally. For guitar lovers, it is easy to get started and the difficulty of playing is greatly reduced.

[0039] For details, see Figure 2 , Figure 2 A schematic diagram of the taste area corresponding to the taste detection and switching device provided in an embodiment of the present invention, wherein the taste detection and switching device 2 includes a fingerboard 21, on the surface of the fingerboard 21, seven groups of light sensing probes 22 are provided along the length direction of the fingerboard 21, and two adjacent light sensing probes 22 are arranged at intervals to form seven taste areas. The main control module 10 is electrically connected to the audio output module 8 for emitting the sound of the 1st to 7th frets / 8th to 14th frets / 15th to 21st frets.

[0040] like Figure 2As shown, each group of the light sensing probe group 22 is provided with six first light sensing probes along the width direction of the fingerboard 21; the first light sensing probes are electrically connected to the main control module 10. The number of first light sensing probes in this embodiment is 6*7=42, all of which are high-sensitivity light sensing probes, which can output different light signals according to the position of the finger and the approach distance. By transmitting the light signals representing different pressing positions to the main control module for subsequent processing such as photoelectric conversion, electrical signals corresponding to different quality areas can be generated; in addition, a quality switching button 23 is provided on the fingerboard, and the quality switching button 23 is electrically connected to the main control module. At the beginning of playing, the quality detection and switching device 2 corresponds to the quality of the 1st to 7th quality, and the player can play by pressing with his left hand. If the quality of the 8th to 14th quality is required, press the quality switching button 23 once, and the relevant trigger signal is generated and sent to the main control module. Under the control of the main control module, the quality detection and switching device 2 is switched to the quality corresponding to the 8th to 14th quality. The player can play by pressing with his left hand. If the 15th to 21st frets are needed, press the fret switching button 23 again, and the relevant trigger signal is generated and sent to the main control module. Under the control of the main control module, the fret detection and switching device 2 is switched to the frets corresponding to the 15th to 21st frets, and the player can play by pressing with his left hand. Through the above-mentioned switching function, not only enough normal frets are guaranteed, but also there are only seven fret areas on the fingerboard, which greatly reduces the size of the guitar (for example, the general size of traditional guitars and electric guitars is 100 cm long * 40 cm wide * 16 cm high, plus the resonance box, the size is extremely large, while the size of the smart guitar in this embodiment is 36 cm long * 8 cm wide * 5 cm high, which is nearly two-thirds smaller), and can be easily carried in a travel bag or handbag for easy carrying.

[0041] As a preference, in the above embodiments, see Figure 1 , Figure 3-Figure 6, the guitar body 1 is also provided with a bar device 3, the bar device 3 includes a pluck rocker bar device crossbeam 31, a rocking switch rocker arm 32 and a PCB circuit board 33; the bottom end of the pluck rocker bar device crossbeam 31 is fixedly connected with two rocking switch rocker arm sleeves 34 and a pluck rocker bar device rocking bar 35, and the two rocking switch rocker arm sleeves 34 are respectively located on both sides of the pluck rocker bar device rocking bar 35; a rocking switch base 36 is fixedly connected to the upper surface of the PCB circuit board 33, and the rocking switch base 36 is movably connected to the rocking switch rocker arm 32; a rocking switch electrical signal pin 37 is provided at the bottom of the rocking switch base 36, and the rocking switch electrical signal pin 37 is electrically connected to the PCB circuit board 33, the top of the rocking switch rocker arm 32 is clamped with the rocking switch rocker arm sleeve 34, a rocking arm displacement detection element 38 is provided on the PCB circuit board 33, and the rocking arm displacement detection element 38 is located directly below the rocking arm 35 of the pluck rocker bar device.

[0042] It should be noted that the rocker arm displacement detection element is a photosensitive sensor device, which can output different signals according to the distance of the object. The playing action and playing speed can be judged by detecting the movement of the rocker arm of the plucking rocker bar device. When the user plucks the ball, the rocker arm of the plucking rocker bar device will move accordingly, providing a motion trajectory for the rocker arm displacement detection element to calculate the playing action and playing speed. The crossbeam of the plucking rocker bar device can be made of metal, so the rocker arm displacement detection element can be replaced by the current photoelectric sensor with a metal proximity sensor.

[0043] As one of the preferred modes, the stringless smart guitar in this embodiment also includes a function indicator light 4 and a function button 5 configured on the guitar body, and the function indicator light 4 and the function button 5 are both electrically connected to the main control module. Specifically, the number of the function indicator lights and the function buttons is determined by the actual requirements of the product. In this embodiment, the number of the function indicator lights is preferably 8, which are specifically LED indicator lights corresponding to different functional states; in this embodiment, the number of the function buttons is preferably 4, and the above-mentioned fret switching button is one of the function buttons. Of course, the positions of the function buttons are distributed in a specific area on the guitar body, and it is preferred to concentrate them on the fingerboard to facilitate the player to control the guitar.

[0044] As one of the preferred modes, the function key 5 in this embodiment includes a tone key, and the tone key is electrically connected to the audio output module for emitting the original acoustic guitar tone / classical pure tone guitar tone / classical original color guitar tone / roots rock guitar tone / hard rock guitar tone / original bass tone / electric bass tone / ukulele tone. The existing guitar tone is single, and the tone of each guitar is fixed at the factory. If the player needs to have other needs, he needs to buy a guitar with a different tone, which is not conducive to playing. The smart guitar in this embodiment is provided with a variety of tone data in the main control module, and the user can switch the tone of different guitars by pressing buttons, which can greatly enhance the interest of the player. In addition, it should be noted that when selecting the bass tone and ukulele tone keys, because the bass and ukulele are four-string, the number of light sensing probes in the taste detection and switching device will change accordingly.

[0045] Preferably, the stringless smart guitar in this embodiment also includes a stringless light-sensitive fret string transceiver probe group 6 configured on the guitar body; the stringless light-sensitive fret string transceiver probe group 6 includes six second light-sensitive probes (not shown) arranged on the string-pressing plate, and the second light-sensitive probes are electrically connected to the main control module 10. In simple terms, the stringless light-sensitive fret string transceiver probe group is used to realize the guitar's sweeping (strumming) function, that is, the finger quickly passes through the light-sensitive probe group representing the first string, the second string, the third string, the fourth string, the fifth string, and the sixth string. When it is detected that the finger sweeps through the area representing the six strings, it will be determined which strings the performer's sweeping action is operating on, as well as the strength and direction of the sweeping, so as to emit the corresponding melody. It should be noted that by detecting the start time and end time of the finger's action in the light-sensitive probe area, the finger's sweeping speed is calculated, and then the strength of the sweeping is obtained, so that the playing method is flexible and changeable, and the stringless guitar is more intelligent.

[0046] Preferably, the stringless smart guitar in this embodiment further comprises a built-in power supply 7, which is preferably powered by a built-in rechargeable lithium battery. Of course, it can also be powered by an external 5V power adapter.

[0047] As the sound-generating part of the stringless smart guitar, the audio output module 8 includes an external speaker and an audio interface, and the audio interface is connected to an external audio receiving device. When the player needs to perform, the external speaker function is used to make the sound loud. When the player wants to practice alone or in public, he can use an external headset or other equipment to enter the silent mode. At this time, only he can hear the melody played and will not affect others. In addition, due to the use of a built-in sound source, the pitch of the guitar will not change, and there is no need to tune the strings, which reduces the difficulty of playing.

[0048] Traditional guitars and electric guitars are not equipped with relevant communication interfaces. However, with the increasing demand for performance, when connecting to some music score APPs, the APPs can only recognize through the sound of the guitar playing, resulting in a low recognition rate. The stringless smart guitar in this embodiment is provided with multiple communication interfaces 9, and the main control module 10 is provided with multiple communication units respectively electrically connected to the communication interfaces, so that the guitar can communicate data with external smart devices, and the recognition accuracy is greatly improved.

[0049] Preferably, the number of the above-mentioned communication interfaces is three, and the three communication interfaces are respectively a USB communication port, an analog Bluetooth port, and a BLE4.0 digital Bluetooth interface, which are convenient for connecting various smart devices and various guitar APPs.

[0050] Preferably, the main control module in this embodiment includes a MIDI processor. Of course, a single-chip microcomputer chip with corresponding data processing functions can also be selected according to the different functions realized by the smart guitar and the cost requirements of the actual product.

[0051] The stringless smart guitar provided by the embodiment of the present invention is shown in Figure 7 , Figure 7 The functional module schematic diagram of the stringless smart guitar provided by the embodiment of the present invention better realizes the intelligence of the guitar through the cooperation of various functional components. Specifically, by setting a light sensing probe to collect the finger position, there is no need to press to produce sound, thus avoiding damage to the player's fingers, greatly reducing the difficulty of playing, improving the enthusiasm of piano learners, and realizing stringless playing; a fret detection and switching device is set on the guitar body. Under the control of the main control module, by switching buttons, it can be ensured that the audio output module corresponds to the sound range of the 1st to 7th frets / 8th to 14th frets / 15th to 21st frets, without setting all 21 fret areas, and the size structure of the guitar is greatly reduced, and it can be easily put in a travel bag or handbag for easy carrying.

[0052] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A stringless smart guitar, characterized in that: It includes a guitar body and a fret detection and switching device, a main control module, and an audio output module configured on the guitar body; The fret detection and switching device includes a fingerboard, which is arranged in the neck area of ​​the guitar body; The fingerboard is provided with seven groups of light-sensing probes along its length direction, and two adjacent groups of light-sensing probes are arranged at intervals to form seven grade areas; Each group of the light sensing probes is provided with six first light sensing probes along the width direction of the fingerboard; the first light sensing probes are electrically connected to the main control module; The fingerboard is provided with a fret switch button, and the fret switch button is electrically connected to the main control module; The main control module is electrically connected to the audio output module for emitting sounds in the 1st to 7th frets / 8th to 14th frets / 15th to 21st fret ranges; It also includes a stringless optical fret string transceiver probe group configured on the guitar body; The stringless light-sensitive fret string transceiver probe group includes six second light-sensitive probes arranged on the string-pressing plate, and the second light-sensitive probes are electrically connected to the main control module.

2. The stringless smart guitar according to claim 1, characterized in that: The guitar body is also provided with a bar device, which includes a plucking rocker bar device crossbeam, a rocker switch rocker arm and a PCB circuit board; The bottom end of the crossbeam of the plucking rocker bar device is fixedly connected with two rocking switch rocker arm covers and a rocking bar of the plucking rocker bar device, and the two rocking switch rocker arm covers are respectively located on both sides of the rocking bar of the plucking rocker bar device; A rocking switch base is fixedly connected to the upper surface of the PCB circuit board, and the rocking switch base is movably connected to the rocking switch rocker arm; a rocking switch electrical signal pin is provided at the bottom of the rocking switch base, and the rocking switch electrical signal pin is electrically connected to the PCB circuit board, the top of the rocking switch rocker arm is clamped with the rocking switch rocker arm sleeve, a rocking arm displacement detection element is provided on the PCB circuit board, and the rocking arm displacement detection element is located directly below the rocking arm of the plucking rocker bar device.

3. The stringless smart guitar according to claim 1, characterized in that: It also includes a function indicator light and a function button configured on the guitar body, and the function indicator light and the function button are both electrically connected to the main control module.

4. The stringless smart guitar as claimed in claim 3, characterized in that: The function keys include tone keys, which are electrically connected to the audio output module for emitting acoustic guitar tone / classical pure guitar tone / classical original guitar tone / roots rock guitar tone / hard rock guitar tone / acoustic bass tone / electric bass tone / ukulele tone.

5. The stringless smart guitar according to claim 1, characterized in that: It also includes a built-in power supply, which is a rechargeable lithium battery.

6. The stringless smart guitar as claimed in claim 1, characterized in that: The audio output module includes an external speaker and an audio interface; the audio interface is connected to an external audio receiving device.

7. The stringless smart guitar as claimed in claim 1, characterized in that: It also includes a plurality of communication interfaces arranged on the guitar body, and the main control module is provided with a plurality of communication units which are respectively electrically connected with the communication interfaces.

8. The stringless smart guitar as claimed in claim 7, characterized in that: The number of the communication interfaces is three, and the three communication interfaces are respectively a USB communication port, an analog Bluetooth port, and a BLE4.0 digital Bluetooth interface.

9. The stringless smart guitar as claimed in claim 1, characterized in that: The main control module includes a MIDI processor.

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