CN112150995A

CN112150995A - Digital piano with playing guide function

Info

Publication number: CN112150995A
Application number: CN202011025203.8A
Authority: CN
Inventors: 徐敏
Original assignee: Tianjin Sino German University of Applied Sciences
Current assignee: Tianjin Sino German University of Applied Sciences
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2020-12-29
Anticipated expiration: 2040-09-25
Also published as: CN112150995B

Abstract

The invention discloses a digital piano with playing and guiding functions, which comprises a teaching piano main body and a practice piano main body, wherein teaching piano keys are arranged at the front side position in the upper end of the teaching piano main body, convex press columns are arranged at the lower end positions of the teaching piano keys, a pressure sensitive switch in an induction sheet is pressed through the convex press columns, circuits of corresponding electromagnetic units in a magnetic control sheet are conducted, so that corresponding magnetic blocks are adsorbed, a projection lamp at the rear upper end of a T-shaped sleeve column is conducted through corresponding conductive balls, when the projection lamp is powered on, bright light is projected onto the corresponding practice piano keys, so that a beginner can press the corresponding practice piano keys to achieve the effect of synchronous learning, a teacher can not only synchronously teach beginners, but also pop out beautiful badges, the learning interest of beginners is improved.

Description

Digital piano with playing guide function

Technical Field

The invention belongs to the related technical field of digital pianos, and particularly relates to a digital piano with a playing guidance function.

Background

For beginners, the initial stage of digital piano practice is practiced according to the most basic numerical sequence, the learning is dull, and a structure is designed at present, so that the interestingness of the work can be realized.

The existing digital piano technology has the following problems: at present, to the beginner, digital piano practice teaching is exactly the initial stage, because current digital piano is a whole, so the teacher is when using digital piano to teach, and the beginner can only watch on one side, can't reach the effect of synchronous study to the beginner is when practising, and the phenomenon that the musical instrument played the mistake will appear easily, and the study precision of influence beginner that like this will be great reduces beginner's interest in learning.

Disclosure of Invention

The invention aims to provide a digital piano with a playing guidance function, which aims to solve the problem of reducing the learning interest of beginners in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a digital piano with playing and guiding functions comprises a teaching piano main body and a practice piano main body, wherein teaching piano keys are arranged at the front side position in the upper end of the teaching piano main body, convex-shaped press columns are arranged at the lower end positions of the teaching piano keys, an induction sheet is arranged at the front side position in the upper end of the teaching piano main body, the induction sheet is positioned at the lower position of the convex-shaped press columns, the practice piano main body is arranged at the right side position of the teaching piano main body, the practice piano keys are arranged at the front side position in the upper end of the practice piano main body, a magnetic control sheet is arranged at the front side inner wall position in the bottom end of the practice piano main body, an electric control cable is arranged between the magnetic control sheet and the induction sheet, four connecting plates are arranged at the rear end positions of the magnetic control sheet, telescopic springs are arranged at the right end positions of the four connecting plates, T-shaped sleeve columns are arranged at the right end positions of, four T font cover post front position department is provided with the magnetic path, four the magnetic path is located the magnetic control piece rear side position department, four magnetic path front end left and right sides position department and be close to the magnetic control piece rear end position department and be provided with electrically conductive ball, four inside position department in the middle of the T font cover post and exercise piano main part left and right sides both ends middle rear side inner wall position department all is provided with the slide rail cylinder, four T font cover post rear upper end intermediate position department is provided with the illuminator of throwing.

Preferably, teaching piano main part and exercise piano main part internal position department all are provided with the power, rear side position department is provided with power button in teaching piano main part and the exercise piano main part upper end, and the power button of teaching piano main part and exercise piano main part all through electric property line and the power electric connection that corresponds separately, and the power button of teaching piano main part passes through electric property line and magnetron piece electric connection simultaneously, and the power button of exercise piano main part passes through electric property line and the projection lamp electric connection of exercise piano key lower extreme in addition.

Preferably, teaching piano key and exercise piano key constitute by white key and black key, and white key and black key and the type of a Chinese character 'tu' in the teaching piano key press post fixed connection, and white key and black key in the teaching piano key have the function of automatic re-setting, and white key and black key in the exercise piano key are transparent key, and white key and black key in the exercise piano key also have the function of automatic re-setting.

Preferably, the type shape is according to the post set up to a plurality ofly, and is a plurality of the type shape is according to post and teaching piano key fixed connection, and is a plurality of the type shape is provided with insulating anti-oxidation paint layer structure according to post outer wall position department, and when the type shape was extruded the response piece according to the post successively, the circuit that will make corresponding magnetic control piece switches on.

Preferably, the induction sheet is composed of a plurality of pressure-sensitive switches, the pressure-sensitive switches are distributed in a linear structure, the pressure-sensitive switches are electrically connected with the main body of the teaching piano through electric wires, an anti-oxidation paint layer structure is arranged at the position of the outer wall of the induction sheet, and the induction sheet is electrically connected with the electric control cable.

Preferably, the magnetism control piece comprises a plurality of electromagnetic units, and a plurality of electromagnetic units are the equidistance array and arrange, and the electromagnetic unit of practicing the inside corresponding position of piano main part passes through electric control cable and the inside pressure sensitive switch electric connection who corresponds the position of teaching piano main part, and a plurality of electromagnetic units carry out opposite sex with the magnetic path and inhale mutually under the circular telegram condition.

Preferably, flexible slider is constituteed to connecting plate, expanding spring, T font cover post and slide rail cylinder, connecting plate, expanding spring, T font cover post and slide rail cylinder outer wall position department all are provided with insulating paint layer structure, and the inside position department is provided with the reposition of redundant personnel and flows through the wire casing in the middle of the T font cover post, and the reposition of redundant personnel is provided with the data line through wire casing inside position department, and the data line is connected with electrically conductive ball and projection lamp electric connection respectively simultaneously.

Preferably, the number of the projection lamps is four, the four projection lamps are electrically connected with the conductive balls through data lines, and meanwhile the four projection lamps are fixedly connected with the T-shaped sleeve columns through fixing bolts.

Preferably, the magnetic block and the conductive ball form a sliding adsorption conductive device, the magnetic block is a permanent magnet and is perpendicular to the magnetic control sheet, the magnetic block and the energized magnetic control sheet are attracted in opposite directions, the conductive ball has good conductivity, and the conductive ball is electrically connected with the projection lamp through a data line.

Compared with the prior art, the invention provides a digital piano with playing guidance function, which has the following beneficial effects:

1. according to the invention, the pressure-sensitive switch in the induction sheet is pressed through the convex pressing column, so that the circuit of the corresponding electromagnetic unit in the magnetic control sheet is conducted, the corresponding magnetic block is adsorbed, the projection lamp at the rear upper end of the T-shaped sleeve column is conducted through the corresponding conductive ball, and when the projection lamp is powered on, bright light is projected onto the corresponding exercise piano key, so that a beginner can press the corresponding exercise piano key to achieve the effect of synchronous learning, therefore, the beginner can not only carry out synchronous teaching work on the beginner, but also play according to the same beat together, and the learning interest of the beginner is improved.

2. The digital piano is divided into a teaching piano main body and a practice piano main body, the teaching piano main body enables a circuit of a corresponding electromagnetic unit and a circuit of a corresponding projection lamp in a magnetic control sheet in the practice piano main body to be conducted through teaching piano keys, a convex-shaped press column, an induction sheet and an electric control cable, so that an indicator lamp of an infrared receiver in a projection lamp field is powered on, a beginner can press the corresponding practice piano keys, a teacher can synchronously carry out teaching work on the beginner in the whole teaching process, and the teacher and the beginner can play at the same time together according to the same beat, so that the learning interest of the beginner is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 is a schematic structural diagram of a digital piano with playing guidance function according to the present invention

Fig. 2 is a front view of the anatomy structure of a digital piano with playing guidance function according to the present invention;

fig. 3 is a schematic top view of the digital piano with playing guidance function according to the present invention;

FIG. 4 is a schematic view of part A of the structure proposed by the present invention;

FIG. 5 is a schematic view of a portion B according to the present invention;

in the figure: 1. teaching piano keys; 2. a teaching piano main body; 3. an electrical control cable; 4. practicing the piano body; 5. practicing piano keys; 6. an induction sheet; 61. a pressure sensitive switch; 7. pressing the column in a convex shape; 8. a magnetic control chip; 81. an electromagnetic unit; 9. a magnetic block; 10. a connecting plate; 11. a slide rail cylinder; 12. t-shaped sleeve columns; 13. a tension spring; 14. a projector lamp; 15. and a conductive ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a digital piano with playing and guiding functions comprises a teaching piano body 2 and a practice piano body 4, wherein teaching piano keys 1 are arranged at the middle front side position of the upper end of the teaching piano body 2, a raised pressing column 7 is arranged at the lower end position of the teaching piano keys 1, an induction sheet 6 is arranged at the middle front side position of the inner end of the teaching piano body 2, the induction sheet 6 is arranged at the lower position of the raised pressing column 7, the practice piano body 4 is arranged at the right side position of the teaching piano body 2, a practice steel 5 is arranged at the middle front side position of the upper end of the practice piano body 4, a magnetic control sheet 8 is arranged at the middle front side inner wall position of the bottom end of the practice piano body 4, an electric control cable 3 is arranged between the magnetic control sheet 8 and the induction sheet 6, four connecting plates 10 are arranged at the rear end position of the magnetic control sheet 8, telescopic springs 13 are arranged at the right end positions of the four connecting plates 10, T-shaped sleeve columns 12 are arranged at the right end positions, the front end positions of four T-shaped sleeve columns 12 are provided with magnetic blocks 9, the four magnetic blocks 9 are located at the rear side positions of a magnetic control sheet 8, the left side and right side positions of the front ends of the four magnetic blocks 9 and the rear end positions of the magnetic control sheet 8 are provided with conductive balls 15, the inner positions of the middle of the four T-shaped sleeve columns 12 and the inner walls of the left end and the right end of the exercise piano main body 4 are provided with slide rail cylinders 11, and the middle positions of the upper ends of the rear ends of the four T-shaped sleeve columns 12 are provided with projection lamps 14.

Power supplies are arranged at the inner positions of the teaching piano main body 2 and the practice piano main body 4, power supply buttons are arranged at the middle and rear positions of the upper ends of the teaching piano main body 2 and the practice piano main body 4, the power supply buttons of the teaching piano main body 2 and the practice piano main body 4 are electrically connected with the corresponding power supplies through electric wires, meanwhile, the power supply button of the teaching piano main body 2 is electrically connected with the magnetic control sheet 8 through an electric wire, and in addition, the power supply button of the practice piano main body 4 is electrically connected with the projection lamp 14 at the lower end of the practice piano key 5 through an electric wire; through teaching piano main part 2 and exercise piano main part 4, can be so that teacher and beginner carry out teaching work in step, improve beginner's interest in learning, also for providing the power better simultaneously.

Teaching piano key 1 and exercise piano key 5 constitute by white key and black key, white key and black key and the 7 fixed connection of type according to the post of a chinese character style in the teaching piano key 1, and white key and black key in the teaching piano key 1 have automatic re-setting's function, white key and black key in the exercise piano key 5 are transparent key, and white key and black key in the exercise piano key 5 also have automatic re-setting's function, through teaching piano key 1 and exercise piano key 5, fixed connection work and fixed stay work can carry out better, also can carry out teaching work in step for teacher and beginner simultaneously.

The type of protruding presses post 7 to set up to a plurality ofly, a plurality of types of protruding press post 7 and teaching piano key 1 fixed connection, a plurality of types of protruding are provided with insulating anti-oxidation paint layer structure according to post 7 outer wall position department, the type of protruding presses post 7 when successively extrudeing response piece 6, will make the circuit of the magnetic control piece 8 that corresponds switch on, press post 7 through the type of protruding, can press work to a plurality of pressure sensitive switches 61 in the response piece 6 better, thereby make the circuit of the electromagnetic unit 81 that corresponds among the magnetic control piece 8 switch on.

The response piece 6 comprises a plurality of pressure sensitive switches 61, and a plurality of pressure sensitive switches 61 are linear structure and distribute, a plurality of pressure sensitive switches 61 pass through electric property line and 2 electric connection of teaching piano main part simultaneously, 6 outer wall positions departments of response piece are provided with anti-oxidation paint layer structure,

response piece

6 and 3 electric connection of automatically controlled cable, through a plurality of pressure sensitive switches 61 in the response piece 6, just can make the circuit of the electromagnetic unit 81 that corresponds among the magnetic control piece 8 switch on.

The magnetic control sheet 8 is composed of a plurality of electromagnetic units 81, the electromagnetic units 81 are arranged in an equidistant array, the electromagnetic units 81 at corresponding positions in the practice piano main body 4 are electrically connected with the pressure-sensitive switches 61 at corresponding positions in the teaching piano main body 2 through the electric control cables 3, and the electromagnetic units 81 are oppositely attracted with the magnetic blocks 9 under the power-on condition; through the electromagnetism unit 81 among the magnetism control piece 8, just can adsorb corresponding magnetic path 9 to make the circuit of corresponding projection lamp 14 switch on, and corresponding projection lamp 14 will be with the highlight on the exercise piano key 8 that corresponds, just so make things convenient for the beginner to press corresponding exercise piano key 8.

Connecting plate 10, expanding spring 13, flexible slider is constituteed to T font cover post 12 and slide rail cylinder 11, connecting plate 10, expanding spring 13, T font cover post 12 and slide rail cylinder 11 outer wall position department all are provided with insulating paint layer structure, inside position department is provided with the reposition of redundant personnel and flows through the wire casing in the middle of T font cover post 12, and the reposition of redundant personnel is provided with the data line through wire casing inside position department, simultaneously the data line respectively with conductive ball 15 and throw 14 electric connection of illuminator, through connecting plate 10, expanding spring 13, T font cover post 12 and slide rail cylinder 11, can be better to magnetic path 9 and conductive ball 15 slip work that stretches out and draws back, thereby make conductive ball 15 can carry out conductive work better.

The projection lamp 14 sets up to four, and four projection lamps 14 pass through data line and conductive ball 15 electric connection, and four projection lamps 14 pass through fixing bolt and T font sleeve post 12 fixed connection simultaneously, through projection lamp 14, can throw out the light to make the corresponding exercise piano key 5 appear the light, make things convenient for the beginner to study.

The magnetic block 9 and the conductive ball 15 form a sliding adsorption conductive device, the magnetic block 9 is a permanent magnet, the magnetic block 9 is perpendicular to the magnetic control sheet 8, the magnetic block 9 and the energized magnetic control sheet 8 are attracted in opposite directions, the conductive ball 15 has good conductivity, the conductive ball 15 is electrically connected with the projection lamp 14 through a data line, the magnetic control sheet 7 can be divided into four areas through the four magnetic blocks 9 and the eight conductive balls 15, and a circuit of the projection lamp 14 behind the T-shaped sleeve column 12 is conducted through the four magnetic blocks 9 and the eight conductive balls 15.

The working principle and the using process of the invention are as follows: after the teaching piano key is installed, a teacher presses the corresponding teaching piano key 1 to enable the corresponding convex pressing column 7 to move downwards, when the corresponding convex pressing column 7 is contacted with the corresponding pressure-sensitive switch 61 in the induction sheet 6, the corresponding convex pressing column 7 presses the corresponding pressure-sensitive switch 61 in the induction sheet 6, at the moment, the circuit of the corresponding electromagnetic unit 81 in the magnetic control sheet 8 is conducted through the electric control cable 3, the circuit of the corresponding electromagnetic unit 81 in the magnetic control sheet 8 is adsorbed to the corresponding magnetic block 9 to slide on the outer wall of the magnetic control sheet 8, the circuit of the projection lamp 14 at the rear upper end of the corresponding T-shaped sleeve column 12 is conducted through the corresponding conductive ball 15, and when the projection lamp 14 is powered on, the bright light is projected to the corresponding practice piano key 5, thereby make the beginner can accurately press corresponding exercise piano key 5, just so reach the effect of synchronous teaching, avoid the beginner to appear the phenomenon of note bullet mistake and take place, simultaneously teacher and beginner can play according to the same beat jointly to improve beginner's interest in learning for beginner's study progress.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a digital piano with play and guide function, includes teaching piano main part (2) and exercise piano main part (4), its characterized in that: the teaching piano comprises a teaching piano main body (2), wherein a teaching piano key (1) is arranged at the position of the front side in the upper end of the teaching piano main body (2), a convex character type pressing column (7) is arranged at the position of the lower end of the teaching piano key (1), an induction sheet (6) is arranged at the position of the front side in the teaching piano main body (2), a practice piano main body (4) is arranged at the position of the right side of the teaching piano main body (2), a practice piano main body (5) is arranged at the position of the front side in the upper end of the practice piano main body (4), a magnetic control sheet key (8) is arranged at the position of the inner wall of the front side in the bottom of the practice piano main body (4), an electric control cable (3) is arranged between the magnetic control sheet (8) and the induction sheet (6), four connecting plates (10) are arranged at the position of the rear end of the magnetic control sheet (8), and extension springs (13) are arranged at, four expanding spring (13) right-hand member position department just is located four connecting plate (10) right side position departments and is provided with T font cover post (12), four T font cover post (12) front end position department is provided with magnetic path (9), four magnetic path (9) are located magnetic control piece (8) rear side position department, four magnetic path (9) front end left and right sides position department just is close to magnetic control piece (8) rear end position department and is provided with electrically conductive ball (15), four rear side inner wall position department all is provided with slide rail cylinder (11), four in the both ends about T font cover post (12) middle internal position department and exercise piano main part (4) rear end inner wall position department all is provided with projection lamp (14) T font cover post (12) rear upper end intermediate position department.

2. The digital piano with playing guidance function according to claim 1, wherein: teaching piano main part (2) and exercise piano main part (4) inside position department all are provided with the power, rear side position department is provided with power button in teaching piano main part (2) and exercise piano main part (4) upper end, and the power button of teaching piano main part (2) and exercise piano main part (4) all through the electric property line with the power electric connection that corresponds separately, the power button of teaching piano main part (2) passes through electric property line and magnetic control piece (8) electric connection simultaneously, the power button of exercise piano main part (4) passes through electric property line and the projection lamp (14) electric connection of exercise piano key (5) lower extreme in addition.

3. The digital piano with playing guidance function according to claim 1, wherein: teaching piano key (1) and exercise piano key (5) are constituteed by white key and black key, and white key and black key and the type in teaching piano key (1) are pressed post (7) fixed connection with the type, and white key and black key in teaching piano key (1) have automatic re-setting's function, and white key and black key in exercise piano key (5) are transparent key, and white key and black key in exercise piano key (5) also have automatic re-setting's function.

4. The digital piano with playing guidance function according to claim 1, wherein: the type of protruding is set up to a plurality of according to post (7), and is a plurality of the type of protruding is according to post (7) and teaching piano key (1) fixed connection, and is a plurality of the type of protruding is provided with insulating anti-oxidation lacquer layer structure according to post (7) outer wall position department, and when the type of protruding was extruded induction piece (6) according to post (7) successively, the circuit that will make corresponding magnetism accuse piece (8) switched on.

5. The digital piano with playing guidance function according to claim 1, wherein: the sensing piece (6) is composed of a plurality of pressure-sensitive switches (61), the pressure-sensitive switches (61) are distributed in a linear structure, meanwhile, the pressure-sensitive switches (61) are electrically connected with the teaching piano main body (2) through electric lines, an anti-oxidation paint layer structure is arranged at the position of the outer wall of the sensing piece (6), and the sensing piece (6) is electrically connected with the electric control cable (3).

6. The digital piano with playing guidance function according to claim 5, wherein: the magnetic control piece (8) is composed of a plurality of electromagnetic units (81), the electromagnetic units (81) are arranged in an equidistant array mode, the electromagnetic units (81) in corresponding positions in the practice piano body (4) are electrically connected with the pressure-sensitive switches (61) in corresponding positions in the teaching piano body (2) through the electric control cables (3), and the electromagnetic units (81) are opposite in attraction to the magnetic blocks (9) under the power-on condition.

7. The digital piano with playing guidance function according to claim 1, wherein: connecting plate (10), expanding spring (13), T font cover post (12) and slide rail cylinder (11) constitute flexible slider, connecting plate (10), expanding spring (13), T font cover post (12) and slide rail cylinder (11) outer wall position department all are provided with insulating paint layer structure, and the inside position department is provided with the reposition of redundant personnel and circulates the wire casing in the middle of T font cover post (12), and the reposition of redundant personnel is provided with the data line through wire casing inside position department, and the data line respectively with electrically conductive ball (15) and throw light (14) electric connection simultaneously.

8. The digital piano with playing guidance function according to claim 1, wherein: the number of the projection lamps (14) is four, the four projection lamps (14) are electrically connected with the conductive balls (15) through data lines, and meanwhile the four projection lamps (14) are fixedly connected with the T-shaped sleeve columns (12) through fixing bolts.

9. The digital piano with playing guidance function according to claim 1, wherein: the magnetic block (9) and the conductive ball (15) form a sliding adsorption conductive device, the magnetic block (9) is a permanent magnet, the magnetic block (9) is perpendicular to the magnetic control sheet (8), the magnetic block (9) and the electrified magnetic control sheet (8) are attracted in opposite directions, the conductive ball (15) has good conductivity, and the conductive ball (15) is electrically connected with the projection lamp (14) through a data line.