CN111932981A - Violin for teaching and control method thereof - Google Patents

Abstract

The invention discloses a teaching violin and a control method thereof. The teaching violin comprises a piano body and strings mounted on the piano body. A groove is arranged on the side plate of the piano body, and a control box is installed in the groove. , the control box is provided with a control circuit board and a power supply device, the control circuit board is provided with a control chip and a wireless communication module; the piano body is provided with a transparent fingerboard on the side facing the strings; There is a display board. The display board is provided with a number of LED lights arranged in an array, and the LED lights are set in one-to-one correspondence with the finger positions on the fingerboard. The LED lights can display 4 kinds of colors, corresponding to the strings of 4 fingers; the control chip is respectively electrically connected with the wireless communication module and the LED light; the control chip, the wireless communication module and the LED light are respectively electrically connected with the power supply device. The present invention can assist beginners to master the correct string pressing position.

Description

Teaching violin and its control method

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 technique

The violin is widely spread all over the world and is the most important instrument in the string group of the modern orchestra. The violin occupies a very important position in instrumental music, is the backbone of the modern symphony orchestra, and is also a solo instrument with difficult playing skills.

Nowadays, more and more teenagers are learning the violin. However, compared with other musical instruments, there is still a certain gap in the degree of promotion. The main reason is that it is relatively difficult to get started with the violin. When playing the violin, you need to use 4 fingers (index finger, middle finger, ring finger, It is difficult for many beginners to grasp the correct pressing position, which is manifested as: they do not know where on the fretboard they need to press the strings, and they do not know which finger to use to press the strings, which affects their interest in learning the violin. .

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a teaching violin to assist beginners in mastering the correct string pressing position.

A teaching violin, comprising a body and strings installed on the body, a groove is provided on the side plate of the body, a control box is installed in the groove, and a control box is installed in the control box. There is a control circuit board and a power supply device, and the control circuit board is provided with a control chip and a wireless communication module;

A transparent fingerboard is provided on the piano body and the side facing the strings;

A display board is arranged between the piano body and the fingerboard, and a plurality of LED lights arranged in an array are arranged on the display board, and the LED lights are arranged in a one-to-one correspondence with the finger positions on the fingerboard , the LED lights can display 4 kinds of colors, which correspond to the 4 fingers that press the strings respectively;

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

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

According to the teaching violin proposed by the present invention, the player can learn the violin in a visual way. In different positions, each note can be played in the correct position and corresponding color on the display board between the violin body and the fingerboard. Display, the player can find the position to press the strings according to the lighting status of the LED lights on the display panel. At the same time, according to the color displayed by the LED lights, they can know which finger is used to press the strings, which can help beginners to master the correct string. It can help the player to improve the accuracy of pressing the strings, and at the same time, it increases the fun of practicing the piano, enhances the interest in learning, and can help beginners quickly pass the learning threshold.

In addition, according to the teaching violin provided by the present invention, it can also have the following additional technical features:

Further, the side of the fingerboard facing away from the display panel is an outwardly protruding arc structure.

Further, the fingerboard adopts a transparent PC board.

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

Further, the LED lamp adopts a SMD LED lamp.

Further, the control chip adopts STM32 single-chip microcomputer.

Further, the control chip controls the LED lights in a single-bus control manner.

Further, the teaching violin also includes a sound acquisition module, the sound acquisition module is composed of a microphone and an audio amplifier circuit, the microphone is arranged on the box body of the control box, and the audio amplifier circuit is arranged in the control box. On the circuit board, the audio amplifying circuit is electrically connected to the microphone and the control chip, respectively.

Further, the box body of the control box is provided with a button for controlling the switch state of the power supply device.

The present invention also proposes a control method for the above-mentioned teaching violin, including:

The wireless communication module receives the control instruction sent by the intelligent terminal, and sends the music signal to the control chip, and the control instruction is converted from the musical score information;

The control chip controls the working state of each of the LED lights according to the control instructions, so that when any one of the finger positions needs to press the strings, the corresponding LED lights are lit with a preset color, and the four String fingers correspond to 4 different colors.

Description of drawings

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

Fig. 1 is the assembly structure schematic diagram of the teaching violin of an embodiment of the present invention;

2 is a schematic diagram of an explosion structure of a teaching violin according to an embodiment of the present invention;

3 is a schematic diagram of a circuit structure of a teaching violin according to an embodiment of the present invention;

FIG. 4 is a schematic flowchart of a control method for teaching a violin according to an embodiment of the present invention.

Detailed ways

In order to make the objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Several embodiments of the invention are presented in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that when an element is referred to as being "fixed 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. The terms "vertical", "horizontal", "left", "right", "upper", "lower" and similar expressions used herein are for the purpose of illustration only and do not indicate or imply the referred device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood 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 FIGS. 1 to 3 , a teaching violin proposed by an embodiment of the present invention includes a piano body 10 and strings 20 mounted on the piano body 10 . The side panels of the piano body 10 are provided with recesses. Slot 30, a control box 40 is installed in the groove 30, a control circuit board and a power supply device 50 are arranged in the control box 40, a control chip 60 and a wireless communication module 70 are arranged on the control circuit board, and the control box After the 40 is installed in the groove 30, it is kept flush with the surface of the side plate to ensure the overall aesthetics.

The structure and material of the body 10 are the same as those of a traditional violin. The body 10 is provided with a transparent fingerboard 80 on the side facing the strings 20 . In this embodiment, the fingerboard 80 is a transparent PC board. , the side of the fingerboard 80 facing away from the display board 90 is an outwardly protruding arc structure, and the arc is the same as that of a traditional violin.

A display panel 90 is arranged between the piano body 10 and the fingerboard 80 . The display panel 90 is provided with a plurality of LED lights 100 arranged in an array, and the LED lights 100 are arranged on the fingerboard 80 . The finger positions of the LEDs are arranged in a one-to-one correspondence. Specifically, the LED lights 100 are arranged directly below the finger positions, and the LED lights 100 are SMD LED lights.

The LED light 100 can display 4 kinds of colors, which correspond to the 4 fingers respectively, for example, red corresponds to the index finger (also called 1 finger), blue corresponds to the middle finger (also called 2 fingers), and yellow corresponds to the ring finger ( Also known as 3 fingers), green corresponds to the little finger (also known as 4 fingers). This makes it possible to switch between different positions. For example, a certain phoneme needs to be pressed with 2 fingers in the second position, and with 1 finger in the third position, then the phoneme is displayed in blue when it is in the second position, and it is displayed when it is displayed in the third position. It is red, so that the player can quickly find the position of the tone on the fretboard, and can correspond to the correct finger, which can better help the player practice the fingering.

It should be pointed out that FIG. 1 and FIG. 2 only show the number of the LED lights 100 by taking the five-position phoneme as an example. During the specific implementation, the number of the LED lights 100 can be increased or decreased as required.

In addition, during the specific implementation, the LED light 100 can display a variety of colors. For example, when the sound position is an open string of a certain string, the LED light at the position of the string nut can display white to prompt performance. This sound does not need to be chord.

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 adopts a WiFi module. It can be understood that the wireless communication module 70 may also use a Bluetooth module or a GSM module.

The wireless communication module 70 communicates wirelessly with the intelligent terminal, specifically, wirelessly connects with the application program on the intelligent terminal to realize real-time interaction. The smart terminal is, for example, a smart phone, a tablet computer, a computer, etc., so that the player can interact with the teaching violin through the smart terminal.

The control chip 60 , the wireless communication module 70 and the LED lamp 100 are respectively electrically connected to the power supply device 50 , 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 STM32 single-chip microcomputer. The control chip 60 uses a single bus control method to control the LED lights, and the wiring is simple, so that the display panel 90 can be made smaller in size.

The box body of the control box 40 is provided with a button (not shown) for controlling the switch state of the power supply device 50, which is convenient for the user to control the switch.

Please refer to Fig. 4, the above-mentioned control method of teaching violin includes the following steps:

S101, the wireless communication module 70 receives a control instruction sent by an intelligent terminal, and sends the music signal to the control chip 60, where the control instruction is converted from musical score information.

Wherein, the user can select a piece to be played first on the smart terminal, and the smart terminal stores or can download the musical score information corresponding to the piece from the Internet, the musical score information corresponds to the position and sequence of the finger pressing on the fingerboard 80, and then The musical score information is converted into a control instruction of an electrical signal through the intelligent terminal, and the control instruction is used to control the lighting time sequence and lighting color of each LED lamp 100 according to the musical score.

S102, the control chip 60 controls the working state of each of the LED lights 100 according to the control instruction, so that when any of the finger positions requires a finger to press the strings, the corresponding LED lights 100 point with a preset color Bright, 4 fingers corresponding to 4 different colors.

The LED light 100 can be lit at a corresponding time and at a corresponding position according to the musical score information, and the lit color reflects which finger needs to be used to press the strings.

In addition, please refer to FIG. 3 , in this embodiment, the teaching violin may further include a sound collection module 110 , the sound collection module is composed of a microphone and an audio amplifier circuit, and the microphone is provided in the box body of the control box 40 . Above, the audio amplifying circuit is arranged on the control circuit board, and the audio amplifying circuit is electrically connected to the microphone and the control chip 60 respectively.

The sound collection module 110 can collect the piano sound played by the player in real time, and transmit the collected piano sound signal to the intelligent terminal through the wireless communication module 70, so as to assist the player to perform visual tuning in combination with the application program of the intelligent terminal, allowing the tuning On the other hand, the accuracy of the performance can be fed back and corrected in real time on the application of the smart terminal, so as to achieve the purpose of helping the player to continuously improve in practice.

According to the teaching violin of this embodiment, the player can learn the violin in a visual way. In different frets, each note can be displayed in the correct position and corresponding to the display board 90 between the piano body 10 and the fingerboard 80. The player can find the position where the string needs to be pressed according to the lighting state of the LED light 100 on the display panel 90. At the same time, according to the color displayed by the LED light 100, the player can know which finger is used to press the string. It can help beginners to master the correct string pressing position, help players improve the accuracy of string pressing, at the same time, it increases the fun of practicing the piano, enhances the interest in learning, and can help beginners quickly pass the learning threshold.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms 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 represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the patent of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

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;

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.

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:

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.

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