CN110556089B

CN110556089B - Multifunctional flexible-screen electronic piano

Info

Publication number: CN110556089B
Application number: CN201910669582.5A
Authority: CN
Inventors: 汪勇延; 刘学淦; 魏悦卿; 代棋帆; 牛佳乐
Original assignee: China University of Geosciences
Current assignee: China University of Geosciences
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2022-04-29
Anticipated expiration: 2039-07-24
Also published as: CN110556089A

Abstract

The invention discloses a multifunctional flexible-screen electronic piano, which relates to the technical field of electronic pianos and comprises an electronic piano main body, a pressure type key module and a flexible screen module, wherein a left-handed organ is arranged on the left side of the electronic piano main body, a right-handed organ is arranged on the right side of the electronic piano main body, the pressure type key module is installed above the left-handed organ and the right-handed organ, a USB interface is fixed on one side of the right-handed organ, the flexible screen module is installed between the left-handed organ and the right-handed organ, the left side of the flexible screen module is arranged on the inner side of the left-handed organ in a built-in mode, the flexible screen module comprises a mainboard and a flexible LED display screen, and the flexible LED display screen is fixed above the mainboard. The invention has the beneficial effects that: the device is convenient for the laminating of left hand musical instrument and right hand musical instrument through the setting to the magnetic ring, constitutes 21 key pianos for 3x7 key through the setting to pressure formula key module to make this electronic piano major structure simple structure cost lower and portable.

Description

Multifunctional flexible-screen electronic piano

Technical Field

The invention relates to the technical field of electronic pianos, in particular to a multifunctional flexible-screen electronic piano.

Background

The traditional mechanical piano is composed of a wooden shell, a steel frame, strings, a soundboard, a string striking machine, a keyboard and the like. Digital pianos have many more "digital" unique functions than conventional mechanical pianos, and are also collectively referred to as "electronic pianos". The electronic piano uses digital technology to replace analog technology, so that the electronic piano not only realizes vivid simulation of the traditional piano and has all functions of mechanical piano, but also has unique functions of various timbres, memory, tone modification, sound mixing and metronome, and also has MIDI interfaces, earphones, microphone interfaces and the like, thereby realizing the combination of the traditional technology of the piano and modern high technology.

The volume and the weight of the traditional piano and various electronic pianos mean that the piano cannot be carried about, the buying desire of the public is reduced due to high manufacturing cost, the traditional piano and various electronic pianos are not enough in functionality, cannot be used as audio and video terminals to provide audio and video effects, and are not convenient for promoting and training the function of a user for memorizing melodies, music scores and other music pieces, so that the multifunctional flexible-screen electronic piano is provided.

Disclosure of Invention

The invention aims to provide a multifunctional flexible-screen electronic piano, which solves the problems that the traditional piano and various electronic pianos proposed in the background art cannot be carried about due to the volume and weight, the buying willingness of the public is reduced due to high manufacturing cost, the multifunctional flexible-screen electronic piano is insufficient in functionality, cannot be used as an audio and video terminal to provide audio and video effects, and is not convenient for promoting and training the function of memorizing music such as melody, music score and the like of a user.

In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional flexible-screen electronic piano comprises an electronic piano main body, a pressure type key module and a flexible screen module, wherein a left hand piano is arranged on the left side of the electronic piano main body, and the right hand piano is arranged on the right side of the electronic piano main body, the pressure type key modules are arranged above the left hand piano and the right hand piano, and one side of the right-handed organ is fixed with a USB interface, the flexible screen module is arranged between the left-handed organ and the right-handed organ, the left side of the flexible screen module is arranged in the inner side of the left-handed organ, the flexible screen module comprises a mainboard and a flexible LED display screen, the flexible LED display screen is fixed above the main board, an electronic organ module is arranged in the device of the electronic piano main body, magnetic rings are arranged on the outer rings above the left-handed organ and the right-handed organ, and the outer fringe part of left hand musical instrument and right hand musical instrument all installs the touch-control display screen, the inside of pressure type key module is provided with the piano training module.

Preferably, the magnetic ring of the left-handed organ and the magnetic ring of the right-handed organ have opposite magnetic poles to the outside, and the magnetic ring controls power supply through induction of the magnetic induction switch module.

Preferably, the pressure type key module comprises a key block, a parallel beam frame, a plastic support, a protruding block, a spring, a pressure sensor and a rectangular track, the parallel beam frame is fixed on two sides of the lower portion of the key block, the plastic support is installed on the outer side of the lower portion of the key block, the protruding block is fixed on the inner wall of the plastic support, the protruding block and the plastic support are fixedly connected, the spring is welded in the middle of the lower portion of the plastic support, the pressure sensor is installed below the spring, and the rectangular track is arranged on two sides of the lower portion of the plastic support.

Preferably, the outer side surface of the parallel beam frame is tightly attached to the inner side surface of the plastic support, and the plastic support forms a sliding structure through a rectangular track.

Preferably, the plastic support is of a three-section inverted trapezoidal structure, and the inner wall of the plastic support is equidistantly provided with the convex blocks.

Preferably, the pressure type key module is a 21-key piano with 3x7 keys, the left 5 keys of the left-hand piano plus the right thumb and index finger keys of the right-hand piano correspond to seven notes of the temperament respectively being do, re, mi, fa, sol, la and si, and the left 3 keys of the right-hand piano are drum sound, flute sound and other set music.

Preferably, the mainboard is including host computer, main control unit, transmission unit, drive unit, FPGA controller, ARM treater and DVI decoding circuit, the output electric connection of host computer has main control unit, and main control unit's output electric connection has transmission unit, transmission unit's output electric connection has drive unit, main control unit's inboard is including FPGA controller, ARM treater and DVI decoding circuit.

Preferably, the main control unit receives a video source through a DVI decoding circuit and decodes a video source signal into RGB pixel point data; the ARM processor receives a control signal through the USB interface and stores the control signal into the ARM processor, and the ARM processor can transmit the control signal to the FPGA controller; the FPGA controller can add a control signal to a virtual point to form an occupying mode, and video control is carried out on pixel point data under the control of the ARM processor.

Preferably, the electronic organ module comprises a pressure type key module, a microprocessor module, an external-release type sound box module, a wireless rechargeable battery module, a magnetic induction switch module, a Bluetooth module and a storage module, wherein the output end of the pressure type key module is electrically connected with the microprocessor module, the output top end of the microprocessor module is electrically connected with the external-release type sound box module, the wireless rechargeable battery module is arranged in the electronic organ module, the Bluetooth module and the storage module are further arranged in the electronic organ module, and the magnetic induction switch module is installed on the inner side of the shell of the electronic organ module.

Preferably, piano training module is including emitting diode, miniature electromagnetic shaker, shock motor, wire, magnetic induction coil, miniature power and miniature communication processor, emitting diode sets up in the inside top of key piece, and emitting diode's below installs miniature electromagnetic shaker, the inside of miniature electromagnetic shaker is including the shock motor, and the below of shock motor is connected with the wire, the below of wire is provided with magnetic induction coil and miniature power, and the miniature communication processor is installed to one side of shock motor.

The invention provides a multifunctional flexible-screen electronic piano which has the following beneficial effects:

1. according to the invention, through the arrangement of the whole set of equipment of the electronic piano main body, the electronic piano is suitable for two modularized electronic pianos of a left hand and a right hand, namely a left hand piano and a right hand piano, each electronic piano module is moderate in size and accords with the ergonomic design, five fingers are respectively corresponding to one key block position, five key blocks are positioned at five sunken parts of the electronic piano main body shell, and the electronic piano main body shell can be tightly attached to the palm when two hands naturally relax and slightly hold the electronic piano.

2. According to the invention, the left-handed organ and the right-handed organ can be conveniently attached through the arrangement of the magnetic ring, the two groups of magnetic rings are attracted together when the magnetic ring of the left-handed organ and the magnetic ring of the right-handed organ are close to each other due to opposite magnetic poles of the magnetic ring of the left-handed organ and the magnetic ring of the right-handed organ, so that the left-handed organ and the right-handed organ are attracted together, the power supply switch is disconnected, and when the left-handed organ and the right-handed organ are separated by hands, the modularized switches of the left-handed organ and the right-handed organ are closed, so that the use is convenient.

3. The pressure type key module is convenient to correspond to three low, medium and high sound regions by arranging the pressure type key module, wherein the plastic support is of a three-section inverted trapezoidal structure, the inner wall of the plastic support is equidistantly provided with the raised blocks, the structure arrangement enables seven main melody keys of the pressure type key module to be divided into the three low, medium and high sound regions according to the pressing force of the three groups of raised blocks, so that the pressure type key module is enabled to form the 21-key electronic piano by adding 7 notes to the three sections, and the plastic support can form a sliding structure through the rectangular rail, so that the position of the plastic support can be conveniently adjusted through the sliding of the rectangular rail, and the pressure type key module is convenient for users with different finger positions.

4. The invention forms a 21-key piano with 3x7 keys by arranging the pressure type key modules, wherein, seven notes in the temperament corresponding to the left 5 keys of the left hand piano, the right thumb key and the index finger key of the right hand piano are do, re, mi, fa, sol, la and si respectively, and the left 3 keys of the right hand piano are other music matches set for drum sound, flute sound and the like, thereby leading the main body structure of the electronic piano to be simple, the cost to be lower and the electronic piano to be convenient to carry.

5. The flexible screen module is arranged, so that the video terminal can be conveniently used, the main board is convenient for lighting the whole flexible LED display screen, the flexible LED display screen can be used as a display, a user can download a complete special music score through the USB interface, the music score is delivered to the unfolded flexible LED display screen through the flexible screen module for the user to watch, the microprocessor module can instruct the sound source to output musical instrument sounds with different notes and tones, the sound is played through the external playing type sound box module, the Bluetooth module can convert an electric signal of the sound source into a Bluetooth transmission signal and then the Bluetooth transmission signal is converted into an acoustic signal to be sent into the earphone, and the use is more convenient.

6. The piano training module is arranged to facilitate and train the user to memorize music such as melody, music score and the like, the microprocessor adjusts the switches of the micro vibrator and the light emitting diode to further control the vibration and the light emission of the corresponding key block, so that the touch sense and the vision of the fingers of the user can feel the occurrence positions and time intervals corresponding to different musical notes, and the memory of the user to the music score is deepened through sound, light and touch sense, thereby achieving the purpose of training.

Drawings

FIG. 1 is a schematic structural diagram of a main body of a multifunctional flexible-screen electronic piano according to the present invention;

FIG. 2 is a schematic structural diagram of a pressure-type key module of a multifunctional flexible-screen electronic piano according to the present invention;

FIG. 3 is a schematic structural diagram of a main board system of a multifunctional flexible-screen electronic piano according to the present invention;

FIG. 4 is a schematic structural view of a piano training module of the multifunctional flexible-screen electronic piano of the present invention;

fig. 5 is a schematic structural view of an electronic organ module of the multifunctional flexible-screen electronic piano of the present invention.

In the figure: 1. an electronic piano main body; 2. a left-handed organ; 3. a right-handed organ; 4. a pressure type key module; 401. a key block; 402. a parallel beam frame; 403. a plastic support; 404. a raised block; 405. a spring; 406. a pressure sensor; 407. a rectangular track; 5. a USB interface; 6. a flexible screen module; 7. a main board; 701. an upper computer; 702. a main control unit; 703. a transmission unit; 704. a drive unit; 705. an FPGA controller; 706. an ARM processor; 707. a DVI decoding circuit; 8. a flexible LED display screen; 9. an electronic organ module; 10. a microprocessor module; 11. an external speaker module; 12. a wireless rechargeable battery module; 13. a magnetic induction switch module; 14. a Bluetooth module; 15. a storage module; 16. a magnetic ring; 17. a touch display screen; 18. a piano training module; 1801. a light emitting diode; 1802. a micro vibrator; 1803. a vibration motor; 1804. a wire; 1805. a magnetic induction coil; 1806. a micro power supply; 1807. a micro communication processor.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: a multifunctional flexible-screen electronic piano comprises an electronic piano main body 1, a left-handed piano 2, a right-handed piano 3, a pressure type key module 4, a key block 401, a parallel beam frame 402, a plastic support 403, a protrusion block 404, a spring 405, a pressure sensor 406, a rectangular track 407, a USB interface 5, a flexible screen module 6, a mainboard 7, an upper computer 701, a main control unit 702, a transmission unit 703, a driving unit 704, an FPGA controller 705, an ARM processor 706, a DVI decoding circuit 707, a flexible LED display screen 8, an electronic piano module 9, a microprocessor module 10, an external sound box module 11, a wireless rechargeable battery module 12, a magnetic induction switch module 13, a Bluetooth module 14, a storage module 15, a magnetic ring 16, a touch display screen (17), a piano training module (18), a light emitting diode 1801, a micro vibrator 1802, a vibration motor 1803, a lead 1804, a magnetic induction coil 1805, a micro power supply 1806, a magnetic wires, Miniature communication processor 1807, the left side of electronic piano main part 1 is provided with left hand musical instrument 2, and the right side of electronic piano main part 1 is provided with right hand musical instrument 3, the external magnetic pole of magnetic ring 16 of left hand musical instrument 2 is opposite with the external magnetic pole of magnetic ring 16 of right hand musical instrument 3, and magnetic ring 16 is through the induction control power supply of magnetic induction switch module 13, two sets of magnetic rings 16 are inhaled when making left hand musical instrument 2 and right hand musical instrument 3 be close to together in the magnetic pole of magnetic ring 16 of left hand musical instrument 2 and right hand musical instrument 3 is opposite, thereby make left hand musical instrument 2 and right hand musical instrument 3 adsorb together, the power supply switch disconnection, when using the hand to part left hand musical instrument 2 and right hand musical instrument 3, modular left hand musical instrument 2 and right hand musical instrument 3 switch are closed.

The pressure type key module 4 is arranged above the left-handed organ 2 and the right-handed organ 3, the USB interface 5 is fixed on one side of the right-handed organ 3, the pressure type key module 4 comprises a key block 401, a parallel beam frame 402, a plastic support 403, a protruding block 404, a spring 405, a pressure sensor 406 and a rectangular rail 407, the parallel beam frame 402 is fixed on two sides of the lower portion of the key block 401, the plastic support 403 is arranged on the outer side of the lower portion of the key block 401, the protruding block 404 is fixed on the inner wall of the plastic support 403, the protruding block 404 is fixedly connected with the plastic support 403, the spring 405 is welded in the middle of the lower portion of the plastic support 403, the pressure sensor 406 is arranged below the spring 405, the rectangular rail 407 is arranged on two sides of the lower portion of the plastic support 403, the outer side face of the parallel beam frame 402 is tightly attached to the inner side face of the plastic support 403, the plastic support 403 forms a sliding structure through the rectangular rail 407, the outer side face of the parallel beam frame 402 is tightly attached to the inner side face of the plastic support 403, the two sides of the key block 401 are flat side face of the flat block 401 The walking beam frame 402 can tightly cling to the inverted trapezoidal plastic support 403 to slide downwards and compress inwards, the plastic support 403 forms a sliding structure through the rectangular rail 407, and the position of the plastic support 403 can be adjusted through sliding of the rectangular rail 407, so that the walking beam frame is suitable for users with different finger positions.

The plastic bracket 403 is a three-section inverted trapezoidal structure, and the inner wall of the plastic bracket 403 is equidistantly distributed with convex blocks 404, this structural arrangement enables the seven melody keys of the pressure-type key module 4 to be divided into three ranges of low, medium and high (each critical point value corresponds to three ranges of low, medium and high after being processed by the microprocessor 10) according to the magnitude of the force with which the three sets of bumps 404 are pressed, so that the pressure-type key module 4 constitutes a 21-key electronic piano by adding 7 notes to the three stages, the pressure-type key module 4 is a 3x 7-key 21-key piano, and the left 5 keys of the left-hand organ 2 and the right thumb and forefinger keys of the right-hand organ 3 are respectively corresponding to seven notes in the temperament, and are respectively do, re, mi, fa, sol, la and si, and 3 keys are left on the right-hand piano 3 for other music matches set for drum sound, flute sound and the like, so that the electronic piano main body 1 is simple in structure, low in manufacturing cost and convenient to carry.

The flexible screen module 6 is arranged between the left-handed organ 2 and the right-handed organ 3, the left side of the flexible screen module 6 is arranged inside the left-handed organ 2, the flexible screen module 6 comprises a mainboard 7 and a flexible LED display screen 8, the flexible LED display screen 8 is fixed above the main board 7, the main board 7 comprises an upper computer 701, a main control unit 702, a transmission unit 703, a driving unit 704, an FPGA controller 705, an ARM processor 706 and a DVI decoding circuit 707, the output end of the upper computer 701 is electrically connected with the main control unit 702, the output end of the main control unit 702 is electrically connected with the transmission unit 703, the output end of the transmission unit 703 is electrically connected with the driving unit 704, the inner side of the main control unit 702 comprises an FPGA controller 705, an ARM processor 706 and a DVI decoding circuit 707, and the main control unit 702 receives a video source through the DVI decoding circuit 707 and decodes a video source signal into RGB pixel point data; the ARM processor 706 receives the control signal through the USB interface 5 and stores the control signal into the ARM processor 706, and the ARM processor 706 can transmit the control signal to the FPGA controller 705; the FPGA controller 705 can add control signals to the virtual dots to form a placeholder pattern for video control of pixel dot data under control of the ARM processor 706.

An electronic organ module 9 is arranged in the device of the electronic piano main body 1, the electronic organ module 9 comprises a pressure type key module 4, a microprocessor module 10, an external sound box module 11, a wireless rechargeable battery module 12, a magnetic induction switch module 13, a Bluetooth module 14 and a storage module 15, the output end of the pressure type key module 4 is electrically connected with the microprocessor module 10, the output top end of the microprocessor module 10 is electrically connected with an external sound box module 11, a wireless rechargeable battery module 12 is arranged in the electronic organ module 9, and the inside of electron musical instrument module 9 still is provided with bluetooth module 14 and storage module 15, and magnetic induction switch module 13 is installed to the shell inboard of electron musical instrument module 9, and magnetic ring 16 is installed to the top outer lane of left hand musical instrument 2 and right hand musical instrument 3, and the outer fringe part of left hand musical instrument 2 and right hand musical instrument 3 all installs touch-control display screen 17.

Pressure type key module 4's inside is provided with piano training module 18, piano training module 18 is including emitting diode 1801, miniature electromagnetic shaker 1802, shock motor 1803, wire 1804, magnetic induction coil 1805, miniature power 1806 and miniature communication processor 1807, emitting diode 1801 sets up in the inside top of key block 401, and emitting diode 1801's below installs miniature electromagnetic shaker 1802, miniature electromagnetic shaker 1802's inside is including shock motor 1803, and shock motor 1803's below is connected with wire 1804, the below of wire 1804 is provided with magnetic induction coil 1805 and miniature power 1806, and the miniature communication processor 1807 is installed to one side of shock motor 1803.

In conclusion, when the multifunctional flexible-screen electronic piano is used, firstly, the whole set of equipment of the electronic piano main body 1 is two modularized electronic pianos (a left hand organ 2 and a right hand organ 3) suitable for left and right hands, each size is moderate, the keyboard is in accordance with the ergonomic design, five fingers are respectively corresponding to one key block 401, five key blocks 401 are positioned at five concave parts of the shell of the electronic piano main body 1, the shell of the electronic piano main body 1 can be tightly attached to the palm when two hands naturally relax and slightly hold the whole electronic piano, before the multifunctional flexible-screen electronic piano is used, firstly, the two left hand organs 2 and the right hand organ 3 which are magnetically attracted together can be separated, the magnetic induction switch module 13 senses the magnetic attraction stop of the two groups of magnetic rings 16, a power switch is opened, the whole set of equipment starts to be electrified, then, a user can pull out the rolling type flexible LED display screen 8 positioned on the right side surface of the base of the left hand organ 2 and fix the left side surface of the base of the right hand organ 3, the whole flexible LED display screen 8 is completely stretched, and meanwhile, the whole screen is lightened by the main board 7 of the flexible LED display screen 8, so that the flexible LED display screen can be used as a display.

A user can download a complete specially-made music score through a USB interface 5, the music score is delivered to an unfolded flexible LED display screen 8 through a flexible screen module 6 for the user to watch, wherein an upper computer 701 generates a video source with the same resolution as the flexible LED display screen 8, meanwhile, the upper computer 701 extracts pixel point information of a rectangular image on the screen according to the wiring mode of the flexible LED display screen 8, the chip position on the LED display screen and the extracted image pixel point are mapped to form image pixel point coordinate information in a one-to-one correspondence relationship, the image pixel point coordinate information is defined as a control signal, and a main control unit 702 receives the video source through a DVI decoding circuit 707 and decodes the video source signal into RGB pixel point data; the ARM processor 706 receives the control signal through the USB interface 5 and stores the control signal into the ARM processor 706, and the ARM processor 706 can transmit the control signal to the FPGA controller 705; the FPGA controller 705 can add a control signal to a virtual point to form an occupancy mode, perform video control on pixel point data under the control of the ARM processor 706, perform gamma inverse correction on the pixel point data, convert RGB parallel pixel point signals into serial signals, and finally add a serial clock signal to output through a network port.

In the using process, the position of the plastic support 403 can be adjusted in a sliding manner through the rectangular rail 407 so as to be suitable for users with different finger positions, the pressure type key module 4 adopts three sections of pressure type piano keys, ten fingers are pressed on the key block 401 and pressed downwards, the plastic support 403 is of a three-section inverted trapezoidal structure, the convex blocks 404 are distributed on the inner wall of the plastic support 403 at equal intervals, so that three sections of micro-pause feelings can be realized, the corresponding pressing depths represent different tones, the structure is arranged so that seven main melody keys of the pressure type key module 4 can be divided into three low-high sound regions according to the pressing force of the three groups of convex blocks 404, each critical point value of the three low-high sound regions corresponds to three low-high sound regions after being processed by the microprocessor module 10, so that the pressure type key module 4 forms a 21-key electronic piano by adding 7 notes on the three sections, and then the microprocessor module 10 of the pressure type key module 4 detects different pressures, thereby the musical instrument sound of the different notes of instruction sound source output and tone, play the sound through external play formula audio amplifier module 11, wherein wireless rechargeable battery module 12 is the lithium cell that the solenoid that commonly uses charges, can be for the power supply of whole device through the lithium cell, support USB to charge simultaneously, and bluetooth module 14 is the ordinary bluetooth headset of adaptation, can turn into the signal of telecommunication of sound source bluetooth transmission signal, again will turn into in acoustic signal to the earphone, it is more convenient to use, storage module 15 and USB interface 5 are used for providing data transmission and storage effect, with microprocessor module 10 and the 12 connection of electric lines of wireless rechargeable battery module.

When the piano training module 18 is used, the magnetic induction coil 1805 induces and changes a magnetic field to charge the micro power supply 1806, the microprocessor module 10 converts information of each note and interval in a music score into an electric signal through a digital signal, the electric signal is received and transmitted to the micro communication processor 1807 of the key block 401 by the communication module, the microprocessor 2 adjusts the switches of the micro vibrator 1802 and the light emitting diode 1801, and then controls the vibration and the light emission of the corresponding key block 401, so that the touch sense and the vision of fingers of a user can feel the occurrence positions and the time intervals corresponding to different notes, and the touch sense display screen 17 can be lightened to control the volume and the range of the pitch range of the keys, the touch sense display screen 17 is a spherical induction touch screen, the touch screen is functionally connected with the microprocessor module 10, simple control functions can be achieved, and the control functions include the control of the volume and the range of the pitch range of the keys, and the like, and the purpose is convenient for the user to use The memory of the user to the music score is deepened through sound, light and touch, so that the training purpose is achieved.

This pressure type key module 4 of electronic piano main part 1 is the 21 key pianos of 3x7 keys, and 5 keys in the left hand of left hand musical instrument 2 and right hand thumb and forefinger key of right hand musical instrument 3 correspond seven notes in the musical scale respectively and are do, re, mi, fa, sol, la, si to 3 remaining keys of right hand musical instrument are other harmony of settlement such as drum sound, flute sound, make this electronic piano main part 1 simple structure cost lower and portable. The seven main melody keys are divided into three low-middle-high sound areas according to the pressing force, the high sound area is formed by pressing to the bottom, the low sound area and the middle sound area are formed by pressing to the middle, and therefore the 21-key electronic piano can be formed by adding 7 notes to the 3 segments, and the using process of the whole multifunctional flexible-screen electronic piano is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a multi-functional flexible screen electronic piano, includes electronic piano main part (1), pressure type key module (4) and flexible screen module (6), its characterized in that: the left side of the electronic piano main body (1) is provided with a left-handed organ (2), the right side of the electronic piano main body (1) is provided with a right-handed organ (3), the pressure type key module (4) is installed above the left-handed organ (2) and the right-handed organ (3), one side of the right-handed organ (3) is fixed with a USB interface (5), the flexible screen module (6) is installed between the left-handed organ (2) and the right-handed organ (3), the left side of the flexible screen module (6) is internally provided with the inner side of the left-handed organ (2), the flexible screen module (6) comprises a mainboard (7) and a flexible LED display screen (8), the flexible LED display screen (8) is fixed above the mainboard (7), an electronic organ module (9) is arranged inside the device of the electronic piano main body (1), and a magnetic ring (16) is installed above the outer rings of the left-handed organ (2) and the right-handed organ (3), touch display screens (17) are mounted on the outer edge portions of the left-handed organ (2) and the right-handed organ (3), and piano training modules (18) are arranged inside the pressure type key modules (4);

the pressure type key module (4) comprises a key block (401), a parallel beam frame (402), a plastic support (403), a protruding block (404), a spring (405), a pressure sensor (406) and a rectangular track (407), wherein the parallel beam frame (402) is fixed on two sides of the lower portion of the key block (401), the plastic support (403) is installed on the outer side of the lower portion of the key block (401), the protruding block (404) is fixed on the inner wall of the plastic support (403), the protruding block (404) is fixedly connected with the plastic support (403), the spring (405) is welded in the middle of the lower portion of the plastic support (403), the pressure sensor (406) is installed below the spring (405), and the rectangular track (407) is arranged on two sides of the lower portion of the plastic support (403).

2. A multi-functional flexible-screen electronic piano according to claim 1, characterized in that: the magnetic ring (16) of the left-handed organ (2) and the magnetic ring (16) of the right-handed organ (3) have opposite magnetic poles to the outside, and the magnetic ring (16) is powered by an induction control power supply of the magnetic induction switch module (13).

3. A multi-functional flexible-screen electronic piano according to claim 1, characterized in that: the outer side face of the parallel beam frame (402) is tightly attached to the inner side face of the plastic support (403), and the plastic support (403) forms a sliding structure through a rectangular rail (407).

4. A multi-functional flexible-screen electronic piano according to claim 1, characterized in that: the plastic support (403) is of a three-section inverted trapezoidal structure, and the inner wall of the plastic support (403) is equidistantly distributed with convex blocks (404).

5. A multi-functional flexible-screen electronic piano according to claim 1, characterized in that: the pressure type key module (4) is a 21-key piano with 3x7 keys, the left 5 keys of the left hand piano (2) and the right thumb and index finger keys of the right hand piano (3) correspond to seven notes in the musical instrument respectively and are do, re, mi, fa, sol, la and si, and the left 3 keys of the right hand piano (3) are drum sound, flute sound and other set music scores.

6. A multi-functional flexible-screen electronic piano according to claim 1, characterized in that: mainboard (7) is including host computer (701), main control unit (702), transmission unit (703), drive unit (704), FPGA controller (705), ARM treater (706) and DVI decoding circuit (707), the output electric connection of host computer (701) has main control unit (702), and the output electric connection of main control unit (702) has transmission unit (703), the output electric connection of transmission unit (703) has drive unit (704), the inboard of main control unit (702) is including FPGA controller (705), ARM treater (706) and DVI decoding circuit (707).

7. A multi-functional flexible-screen electronic piano according to claim 6, characterized in that: the main control unit (702) receives a video source through a DVI decoding circuit (707) and decodes a video source signal into RGB pixel point data; the ARM processor (706) receives control signals through the USB interface (5) and stores the control signals into the ARM processor (706), and the ARM processor (706) can transmit the control signals to the FPGA controller (705); the FPGA controller (705) can add control signals to virtual points to form an occupancy mode, and video control is carried out on pixel point data under the control of the ARM processor (706).

8. A multi-functional flexible-screen electronic piano according to claim 1, characterized in that: electronic organ module (9) are including pressure formula key module (4), microprocessor module (10), external formula audio amplifier module (11), wireless rechargeable battery module (12), magnetic induction switch module (13), bluetooth module (14) and storage module (15), the output electric connection of pressure formula key module (4) has microprocessor module (10), and the output top electric connection of microprocessor module (10) has external formula audio amplifier module (11), place the inside of electronic organ module (9) in wireless rechargeable battery module (12), and the inside of electronic organ module (9) still is provided with bluetooth module (14) and storage module (15), magnetic induction switch module (13) are installed to the shell inboard of electronic organ module (9).

9. A multi-functional flexible-screen electronic piano according to claim 1, characterized in that: piano training module (18) is including emitting diode (1801), miniature electromagnetic shaker (1802), vibrations motor (1803), wire (1804), magnetic induction coil (1805), miniature power supply (1806) and miniature communication processor (1807), emitting diode (1801) sets up in the inside top of key piece (401), and emitting diode (1801) below installs miniature electromagnetic shaker (1802), the inside of miniature electromagnetic shaker (1802) is including vibrations motor (1803), and the below of vibrations motor (1803) is connected with wire (1804), the below of wire (1804) is provided with magnetic induction coil (1805) and miniature power supply (1806), and miniature communication processor (1807) are installed to one side of vibrations motor (1803).