CN111932981A

CN111932981A - Violin for teaching and control method thereof

Info

Publication number: CN111932981A
Application number: CN202010623096.2A
Authority: CN
Inventors: 王轶昕; 向阳; 张吉林
Original assignee: Jiangxi Xinguangnian Intelligent Technology Co ltd
Current assignee: Jiangxi Xinguangnian Intelligent Technology Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-11-13

Abstract

The invention discloses a violin for teaching and a control method thereof, wherein the violin for teaching comprises a violin body and strings arranged on the violin body, a groove is arranged on a side plate of the violin body, a control box is arranged in the groove, a control circuit board and a power supply device are arranged in the control box, and a control chip and a wireless communication module are arranged on the control circuit board; a transparent fingerboard is arranged on one surface of the body, which faces the strings; a display panel is arranged between the piano body and the fingerboard, a plurality of LED lamps distributed in an array are arranged on the display panel, the LED lamps are arranged in one-to-one correspondence with the finger positions on the fingerboard, and the types of colors which can be displayed by the LED lamps are 4 and respectively correspond to 4 fingers according to strings; the control chip is electrically connected with the wireless communication module and the LED lamp respectively; the control chip, the wireless communication module and the LED lamp are respectively electrically connected with the power supply device. The invention can assist beginners to master correct string pressing positions.

Description

Violin for teaching and control method thereof

Technical Field

The invention relates to the technical field of musical instrument teaching equipment, in particular to a teaching violin and a control method thereof.

Background

Violins are widely spread in all countries of the world and are the most prominent musical instruments in the string group of modern orchestra. The violin plays a very important role in instrumental music, is a pillar of a modern symphony band, is also a solo instrument with high-difficulty playing skills, and is also called three major instruments in the world together with a piano and a classical guitar.

Nowadays, more and more teenagers learn the violin, however, compared with other musical instruments, the popularization degree is still a certain gap, the main reason is that the violin is relatively difficult to enter, when playing the violin, 4 fingers (index finger, middle finger, ring finger and little finger) are needed to press strings, and many beginners are difficult to master the correct string pressing position, and the concrete expression is as follows: not knowing which position on the fingerboard requires pressing the strings and which finger should be used to press the strings affects the interest in learning the violin.

Disclosure of Invention

The invention aims to provide a violin for teaching to assist a beginner to master a correct string pressing position.

A violin for teaching comprises a violin body and strings mounted on the violin body, wherein a groove is formed in a side plate of the violin body, a control box is mounted in the groove, a control circuit board and a power supply device are arranged in the control box, and a control chip and a wireless communication module are arranged on the control circuit board;

a transparent fingerboard is arranged on one surface, facing the strings, of the musical instrument body;

a display panel is arranged between the piano body and the fingerboard, a plurality of LED lamps distributed in an array are arranged on the display panel, the LED lamps are arranged in one-to-one correspondence with the finger positions on the fingerboard, and the LED lamps can display 4 colors which respectively correspond to 4 fingers according to strings;

the control chip is electrically connected with the wireless communication module and the LED lamp respectively;

the control chip, the wireless communication module and the LED lamp are respectively electrically connected with the power supply device.

According to the teaching violin, a player can be helped to learn the violin in a visual mode, each note can be displayed in a correct position and a corresponding color on the display board between the violin body and the fingerboard under different handle positions, the player can find the position needing string pressing according to the lighting state of the LED lamp on the display board, and meanwhile, according to the color displayed by the LED lamp, the player can know which finger is used for pressing the string, so that a beginner can be helped to master the correct string pressing position, the player is helped to improve the accuracy of string pressing, meanwhile, the interest of violin practicing is increased, the learning interest is improved, and the beginner can be helped to quickly step through a learning threshold.

In addition, the teaching violin provided by the invention can also have the following additional technical characteristics:

furthermore, one surface of the finger plate, which faces away from the display plate, is of an outwardly convex cambered surface structure.

Further, the finger board is a transparent PC board.

Furthermore, the wireless communication module adopts any one of a Bluetooth module, a WiFi module and a GSM module.

Furthermore, the LED lamp adopts a patch type LED lamp.

Further, the control chip adopts an STM32 singlechip.

Furthermore, the control chip controls the LED lamp in a single-bus control mode.

Further, the teaching violin further comprises a sound collection module, the sound collection module is composed of a microphone and an audio amplification circuit, the microphone is arranged on the box body of the control box, the audio amplification circuit is arranged on the control circuit board, and the audio amplification circuit is respectively connected with the microphone and the control chip in an electric connection mode.

Furthermore, a button for controlling the on-off state of the power supply device is arranged on the box body of the control box.

The invention also provides a control method of the violin, which comprises the following steps:

the wireless communication module receives a control instruction sent by the intelligent terminal and sends the music signal to the control chip, and the control instruction is obtained by converting music score information;

the control chip controls the working state of each LED lamp according to the control instruction, so that when any finger position needs to be pressed by a finger, the corresponding LED lamp is lightened in a preset color, and 4 fingers which are pressed by strings respectively correspond to 4 different colors.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of an assembly structure of a violin for teaching according to an embodiment of the present invention;

fig. 2 is an exploded view of a violin according to an embodiment of the present invention;

fig. 3 is a schematic circuit configuration diagram of a violin for teaching according to an embodiment of the present invention;

fig. 4 is a flowchart illustrating a method for controlling a violin for teaching according to an embodiment of the present invention.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must be in a particular orientation, constructed or operated in a particular manner, and is not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the violin for teaching provided by an embodiment of the present invention includes a body 10 and strings 20 mounted on the body 10, a groove 30 is provided on a side plate of the body 10, a control box 40 is mounted in the groove 30, a control circuit board and a power supply device 50 are provided in the control box 40, the control circuit board is provided with a control chip 60 and a wireless communication module 70, and the control box 40 is mounted in the groove 30 and then kept flush with the surface of the side plate, so as to ensure the overall aesthetic property.

The structure and the material of the body 10 are the same with traditional violin, on the body 10, towards the one side of string 20 is equipped with transparent fingerboard 80, in this embodiment, fingerboard 80 adopts transparent PC board, fingerboard 80 dorsad the one side of display panel 90 is outside convex cambered surface structure, and the radian is the same with traditional violin.

A display panel 90 is arranged between the piano body 10 and the fingerboard 80, a plurality of LED lamps 100 distributed in an array are arranged on the display panel 90, the LED lamps 100 are arranged corresponding to the finger positions on the fingerboard 80 one by one, specifically, the LED lamps 100 are arranged under the finger positions, and the LED lamps 100 are patch type LED lamps.

The LED lamp 100 can display 4 kinds of colors corresponding to 4 fingers, for example, red corresponds to an index finger (also referred to as a 1 finger), blue corresponds to a middle finger (also referred to as a 2 finger), yellow corresponds to a ring finger (also referred to as a 3 finger), and green corresponds to a little finger (also referred to as a 4 finger). This allows switching between different bits. For example, 2 fingers are needed to press strings in two positions of a certain phoneme, 1 finger is needed to press strings in three positions of the phoneme, the phoneme is displayed in blue in the two positions, and is displayed in red in the three positions, so that a player can quickly find the position of the phoneme on the fingerboard and can correspond to the correct finger, and the player can be better helped to practice the string pressing fingering.

It should be noted that fig. 1 and fig. 2 only show the number of the LED lamps 100 by taking five phoneme positions as an example, and in the specific implementation, the number of the LED lamps 100 can be increased or decreased as required.

In addition, in practical implementation, the LED lamps 100 can display various colors, for example, when a phoneme is a string with an empty string, the LED lamp at the position of the string on the capo can display white to prompt the player that the phoneme does not need to press the string.

The control chip 60 is electrically connected to the wireless communication module 70 and the LED lamp 100, respectively. In this embodiment, the wireless communication module 70 is a WiFi module. It is understood that the wireless communication module 70 may also adopt a bluetooth module or a GSM module.

The wireless communication module 70 is in wireless communication with the intelligent terminal, specifically, is in wireless connection with an application program on the intelligent terminal, so as to realize real-time interaction. The intelligent terminal is, for example, a smart phone, a tablet computer, a computer and the like, so that a player can interact with the teaching violin through the intelligent terminal.

The control chip 60, the wireless communication module 70 and the LED lamp 100 are electrically connected to the power supply device 50, respectively, and are powered by the power supply device 50. The power supply device 50 is powered by, for example, a lithium battery.

The control chip 60 adopts an STM32 singlechip. The control chip 60 controls the LED lamps in a single bus control manner, and the wiring is simple, so that the display panel 90 can have a small size.

A button (not shown) for controlling the on-off state of the power supply device 50 is disposed on the control box 40, so as to facilitate the on-off control of the user.

Referring to fig. 4, the method for controlling a violin for teaching includes the following steps:

s101, the wireless communication module 70 receives a control instruction sent by the intelligent terminal and sends the music signal to the control chip 60, and the control instruction is obtained by converting music score information.

Wherein, the user can select a song of playing first of all at intelligent terminal, and the music score information that this song corresponds is stored or can be downloaded from the internet in the intelligent terminal, and this music score information corresponds position and order that the finger position on the fingerboard 80 was pressed, then converts this music score information into the control command of signal of telecommunication through intelligent terminal, and control command is used for the time sequence that each LED lamp 100 of music score control was lighted and the colour of lighting.

And S102, the control chip 60 controls the working state of each LED lamp 100 according to the control instruction, so that when any finger position needs to be strung by a finger, the corresponding LED lamp 100 is lightened in a preset color, and 4 strung fingers respectively correspond to 4 different colors.

The LED lamp 100 can be lighted at the corresponding time and the corresponding position according to the music score information, and the lighted color reflects which finger is required to press the string.

In addition, referring to fig. 3, in this embodiment, the violin may further include a sound collection module 110, where the sound collection module is composed of a microphone and an audio amplification circuit, the microphone is disposed on the box body of the control box 40, the audio amplification circuit is disposed on the control circuit board, and the audio amplification circuit is electrically connected to the microphone and the control chip 60, respectively.

The sound collection module 110 can collect the musical instrument sound popped up by the player in real time, and transmits the collected musical instrument sound signal to the intelligent terminal through the wireless communication module 70, so that the application program of the intelligent terminal can be combined to assist the player in performing visual tuning, and the tuning becomes simpler; on the other hand, the accuracy of the performance can be fed back and corrected in real time on the application program of the intelligent terminal, so that the aim of helping the player to improve continuously in the practice process is fulfilled.

According to the teaching violin of the embodiment, a player can be helped to learn the violin in a visual mode, each note can be displayed in a correct position and a corresponding color on the display board 90 between the violin body 10 and the fingerboard 80 at different handle positions, the player can find the position needing string pressing according to the lighting state of the LED lamp 100 on the display board 90, and meanwhile, according to the color displayed by the LED lamp 100, the player can know which finger is used for string pressing specifically, so that a beginner can be helped to master the correct string pressing position, the player is helped to improve the accuracy of string pressing, meanwhile, the interest of violin practicing is increased, the learning interest is improved, and the beginner can be helped to fast step over a learning threshold well.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A violin for teaching comprises a violin body and strings mounted on the violin body, and is characterized in that grooves are formed in side plates of the violin body, a control box is mounted in each groove, a control circuit board and a power supply device are arranged in each control box, and a control chip and a wireless communication module are arranged on each control circuit board;

2. The instructional violin of claim 1, wherein a face of the fingerboard facing away from the display board is an outwardly convex curved structure.

3. The violin of claim 2, wherein the fingerboard is a transparent PC board.

4. The violin for teaching of claim 1, wherein the wireless communication module is any one of a bluetooth module, a WiFi module and a GSM module.

5. The violin for teaching of claim 1, wherein the LED lamp is a patch LED lamp.

6. The violin for teaching of claim 1, wherein the control chip is an STM32 single chip microcomputer.

7. The violin for teaching of claim 6, wherein the control chip controls the LED lamp in a single bus control manner.

8. The violin as claimed in claim 1, further comprising a sound collection module, wherein the sound collection module comprises a microphone and an audio amplifier, the microphone is disposed on the case of the control case, the audio amplifier is disposed on the control circuit board, and the audio amplifier is electrically connected to the microphone and the control chip respectively.

9. The violin for teaching as claimed in claim 1, wherein a button for controlling the on/off state of the power supply device is provided on the case of the control case.

10. The control method of a violin for teaching of claim 1, comprising: