CN203102847U - Intelligent piano - Google Patents

Intelligent piano Download PDF

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Publication number
CN203102847U
CN203102847U CN 201220733744 CN201220733744U CN203102847U CN 203102847 U CN203102847 U CN 203102847U CN 201220733744 CN201220733744 CN 201220733744 CN 201220733744 U CN201220733744 U CN 201220733744U CN 203102847 U CN203102847 U CN 203102847U
Authority
CN
China
Prior art keywords
piano
display screen
microprocessor
master control
keyboard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220733744
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Chinese (zh)
Inventor
熊世林
侯旻
张侠
汪洋
尹甸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Huasha Technology Co., Ltd.
Original Assignee
熊世林
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Publication date
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Priority to CN 201220733744 priority Critical patent/CN203102847U/en
Application granted granted Critical
Publication of CN203102847U publication Critical patent/CN203102847U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an intelligent piano, which comprises a piano body, a piano keyboard, piano pedals, a display screen and a master control panel. The master control panel is provided with a power supply interface used for providing a power supply for the master control panel, a power switch used for controlling the on-off state of the power supply, a microprocessor, a power amplifier chip, two loudspeakers, two headset jacks and a converting panel. The display screen is arranged on the piano body. Both the piano keyboard and the piano pedals are electrically connected with the converting panel. The converting panel is connected with the display screen through the microprocessor. The converting panel is connected with a MIDI interface. Both the piano keyboard and the piano pedals are connected with the power supply interface. The sound output end of the microprocessor is connected with a volume regulating switch. The volume regulating switch is respectively connected with the two loudspeakers and the two headset jacks. Due to the adoption of the intelligent piano, users can learn how to play the piano more intuitively. Meanwhile, during practice, errors can be timely corrected at the same time. Thus, the intelligent piano has he advantages of high intellectualization degree and the like.

Description

The intelligence piano
Technical field
The utility model relates to a kind of piano, especially a kind of intelligent piano.
Background technology
Piano is a kind of keyboard instrument that is derived from the western classicality music, is made up of 88 keys and metallic cord soundboard, generally is used for performances such as solo, ensemble, accompaniment, and composition and rehearsal music are very convenient.Because its good comprehensive performance and widely purposes all be that other any musical instruments can't be intended by comparison, thereby piano is described as " king of musical instrument " by numerous musicians.
Along with the develop rapidly of electronic technology, the piano conventional art combines with modern electronic technology, and pianotron just arises at the historic moment.Digital piano has been Duoed many " number " functions peculiar than the traditional mechanical piano.Digital piano not only has the repertoire of mechanical piano with digital technology, also have unique multiple tone color, storage memory, modified tone, audio mixing, beat function, and midi interface, earphone, microphone interface etc. are arranged, realized combining of piano conventional art and modern high technology.Now, the more and more children learns piano, but traditional piano study method is uninteresting, and does not possess error correction, and the player also is difficult for finding even play wrong.By special piano training seminar study piano, the training organization that not only will arrange the time specially, and also learning time is short, expense is higher, and the learner can not learn at any time.
Application number is that 200420017550.6 Chinese utility model patent discloses a kind of steel ball that has the scanner uni display device, is provided with scanner and display device on body, and display device is by foot-operated gauge tap control page turning.This piano has been avoided needing to move the problem that music score is made troubles to the player with handspring in the process of playing, but only only possesses the effect that shows and stir music score, do not possess and gather playing information, analyze and play functions such as whether consistent with music score, and stir music score and also will step gauge tap by the player, it is cumbersome to operate, and does not also possess the self-study function.
Application number is that 200420016436.1 Chinese utility model patent discloses a kind of pianocoder, on the body of piano, bookshelf is set, display is set on the bookshelf, body has host computer, keyboard and mouse are set on body, can show the qin spectrum by computer, also can learn the piano course by online computing.This pianocoder only is that computer is arranged on the piano, and is not interactive between computer and the piano, also needs manually to stir music score simultaneously, equally also do not possess the function of self-study and error correction.
The utility model content
The utility model is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of intelligent piano is provided, with the collection analysis playing information, be convenient to the learner and learn the piano course.
The utility model be the technical solution problem by the following technical solutions.
The intelligence piano, its design feature is to comprise body, keyboard, pedal, display screen and master control board; Described master control board comprises the power interface that is used to master control board power supply and the power switch that is used to control on/off, microprocessor, power amplifier chip, two loudspeakers, two earphone jacks and change-over panel; Described display screen is arranged on the described body; Described keyboard, pedal all are electrically connected with described change-over panel, and described change-over panel is connected with described display screen by microprocessor; Be connected with midi interface on the described change-over panel; Described keyboard, pedal all are connected with described power interface; Be connected with the volume by-pass cock on the sound output of described microprocessor, described volume by-pass cock is connected with two earphone jacks with two loudspeakers respectively.
Intelligent piano of the present utility model also has following technical characterstic.
Described body is provided with groove, and display screen is arranged on the described body in hinged mode, and display screen is embedded within the described groove when display screen closes.
Also be provided with the qin lid on the described body, described qin lid is arranged on the described body in hinged mode, and the one side that described qin covers near keyboard is provided with described display screen.
Described display screen is a liquid crystal touch screen; Described microprocessor is an arm processor.
Communicate by letter by the mode of radio communication or wire communication between described microprocessor and the high in the clouds server.
Described two earphone jacks are respectively 3.5mm earphone jack and 6.5mm earphone jack.
Be connected by USB interface between described change-over panel and the described microprocessor.
Compared with the prior art, the utility model beneficial effect is embodied in:
(1) intelligent piano of the present utility model, employing is based on FGA25N120 symmetrical half bridge formula power converter and adopt arm processor as the numerical control core, but at the special teaching software of microprocessor stored.Can show music score and trigger default cartoon teaching software by tangible screen, advance stepwise study for aspects such as music theory, piano performances.The learner need not training organization and can learn by oneself, and can decide the time point and the time length of study in its sole discretion, has solved the problem that is subjected to place and time restriction when learning in training organization, has reduced the cost of study.
(2) by change-over panel collection, analysis user playing information, thereby judge whether the information of playing is consistent with music score, and when makeing mistakes, performance on display screen, points out, simultaneously by loudspeaker or the prompting of earphone output sound, make the learner when performance makes mistakes, obtain the caution that makes mistakes, possessed good error correction, improved the effect of learning by oneself, had the high degree of intelligence level.The demonstration of music score is consistent with the performance progress, need not manually to control music score and stirs, and the player need not consider to operate the operational issue that music score stirs.
(3) by advanced technology, the vivid animation element of combination, to the knowledge point of music, the piano knowledge such as contraposition of note on 88 piano keies on the staff, analyze and reasonably arrangement, make the user can learn and grasp knowledge such as music theory, piano performance more intuitively, solved piano cross the threshold difficult, music theory knowledge problem such as can visually learn, in exercise, in time can correct a mistake.
Intelligent piano of the present utility model, make the user can learn and grasp knowledge such as music theory, piano performance more intuitively, has the high degree of intelligence level, solved piano cross the threshold difficult, music theory knowledge problem such as can visually learn, in exercise, in time can correct a mistake.
Description of drawings
The hardware principle block scheme of the control circuit of Fig. 1, intelligent piano of the present utility model.
The outside drawing of an embodiment (body is provided with groove) of Fig. 2, intelligent piano of the present utility model.
The outside drawing of another embodiment of Fig. 3, intelligent piano of the present utility model (the qin lid is set on the body).
The external cabling synoptic diagram of the interface of Fig. 4, intelligent piano of the present utility model.
The connector synoptic diagram of the ARM platform that Fig. 5, intelligent piano of the present utility model adopt.
The connector synoptic diagram of the change-over panel of Fig. 6, intelligent piano of the present utility model.
The governor circuit figure of the master control board of Fig. 7, intelligent piano of the present utility model.
The power circuit diagram of the master control board of Fig. 8, intelligent piano of the present utility model.
The usb circuit figure of the master control board of Fig. 9, intelligent piano of the present utility model.
The midi interface circuit diagram of the master control board of Figure 10, intelligent piano of the present utility model.
The Sustain testing circuit figure of the master control board of Figure 11, intelligent piano of the present utility model.
The MIDI keyboard scanning circuit figure of the master control board of Figure 12, intelligent piano of the present utility model.
The LED of the master control board of Figure 13, intelligent piano of the present utility model shows and key circuit figure.
Number in the figure: 1 body, 2 qins lid, 3 display screens, 4 keyboards, 5 power interfaces, 66.5mm earphone jack, 7MIDI OUT interface, 8 Sustain interfaces, 9 switches, 10 volume adjustment holes, 113.5mm earphone jack.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Referring to Fig. 1, intelligent piano comprises body 1, keyboard 4, pedal, display screen 3 and master control board; Described master control board comprises the power interface 5 that is used to master control board power supply and the power switch that is used to control on/off, microprocessor, power amplifier chip, two loudspeakers, two earphone jacks and change-over panel; Described display screen is arranged on the described body; Described keyboard, pedal all are electrically connected with described change-over panel, and described change-over panel is connected with described display screen by microprocessor; Be connected with midi interface on the described change-over panel; Described keyboard, pedal all are connected with described power interface; Be connected with the volume by-pass cock on the sound output of described microprocessor, described volume by-pass cock is connected with two earphone jacks with two loudspeakers respectively.
Described body is provided with groove, and display screen is arranged on the described body in hinged mode, and display screen is embedded within the described groove when display screen closes.Turning display screen during use, playing information or the error message that can observe demonstration at any time.The time spent is not embedded in display screen in the groove.
Also be provided with qin lid 2 on the described body 1, described qin lid 2 is arranged on the described body 1 in hinged mode, and the one side near keyboard on the described qin lid 2 is provided with described display screen 3.Described qin lid is articulated on the described body, and the one side of the close keyboard of upset back qin lid is relative with the player just, makes the player can watch display screen at an easy rate.
Described display screen is a liquid crystal touch screen; Described microprocessor is an arm processor.
Communicate by letter by the mode of radio communication or wire communication between described microprocessor and the high in the clouds server.
Described two earphone jacks are respectively 3.5mm earphone jack 11 and 6.5mm earphone jack 6.Two earphone jacks are connected with two loudspeakers respectively, and corresponding loudspeaker stops output sound when earphone jack grafting earphone.
Be connected by USB interface between described change-over panel and the described microprocessor.
Intelligent piano of the present utility model is played by the emulation fingerboard, by the MIDI change-over panel electrical signal conversion is become midi signal, by the MIDI change-over panel midi signal is delivered to external interface respectively as the output midi signal; Other one road midi signal inserts the microcontroller that is positioned in the master control board, sends midi signal to microcontroller.External in addition tenuto pedal is connected to midi signal by the outside, is connected on the MIDI change-over panel.By midi interface, make change-over panel to communicate with other external smart machines, export playing information to external other intelligent equipments.Equipment such as microprocessor and power amplifier chip and external memory storage all are arranged in the master control board, and described master control board is installed within the body of piano.
Store bank (tone color) in the master control board, the firmware FIRMWARE of independent research with world's name qin.Various exercise mode and software about piano study) a plurality of USB outputs are arranged, audio frequency output, video is exported, the netting twine interface.There are the signal and the outputting video signal that insert from the touch-screen of outside to give exterior display screen in the master control board.Audio frequency in the master control board is exported to two audio amplifiers (being divided into left and right sound channels) of qin body, also exporting two-way one tunnel (has the earphone enlarging function for the earphone output 3.5mm earphone jack 11 on product keyboard 4 the right, the jack diameter is 3.5mm), the one tunnel exports to qin body rear portion 6.5mm earphone jack (6 jack diameters are 6.5mm) external output signal.Body is provided with interface 8, switch 9 and the volume adjustment hole 10 of MIDI OUT interface 7 (being used for the output of midi signal), Sustain.
Power interface 5 converts AC power to 12V, 5A direct supply and gives master control board, MIDI change-over panel, display screen power supply respectively by power supply adaptor.
The independent research software section can be played in real time by keyboard, transfers built-in piano sound, can reach minimum 20 milliseconds/note; Can import standard MIDI music-book on pianoforte, can automatic playing, in exercise mode, on the music score in the screen, top-stitching is followed to play and is carried out sometimes, and timeline is set the beat flicker with melody, does not down continue as playing the wrong time line.Screen below shows 88 key boards, and the position that need play certain key has blue some prompting on the keyboard below the screen, if play wrongly, can show red on the keyboard of screen below.
As Fig. 1 is circuit hardware connection diagram on the piano.Described power amplifier chip, microprocessor and change-over panel can be integrated on the circuit board, also can place respectively on a plurality of circuit boards.Midi interface, volume by-pass cock, loudspeaker and earphone jack etc. are distributed in respectively on the body, are electrically connected with master control board by lead respectively.Change-over panel is connected with pedal with key by the mode that is electrically connected, and is used to detect the action of key and pedal, is pressed to judge which key whether pedal be operated with.
Fig. 2 is the piano of two kinds of different profiles with Fig. 3, and its display screen is arranged at different positions.When not having cover plate display screen is located at the body upper surface and gets final product, body is provided with groove to take in display screen.When cover plate is arranged display screen is located at the inside surface of cover plate, is put cover plate and cover following time, display screen is also packed up.
Fig. 4 is the vertical view of piano body, has marked the position of each IO interface and volume by-pass cock on the figure.
Fig. 5 is the ARM platform structure figure when adopting ARM as microcontroller.The built-in bank of arm processor, and be provided with AUDIO interface, USB interface, HDMI interface and LAN interface.
Fig. 6 is the connector synoptic diagram of change-over panel.Change-over panel is provided with keyboard signal input port, pedal signal input port (external pedal I/O interface), midi signal output (be described midi interface, be external MIDI-OUT I/O interface), USB-MIDI signal output (the USB line picks out) and power supply input.
The circuit of master control board comprises usb circuit, be used to master control board provide power circuit, the output midi signal of power supply the midi interface circuit, be used to detect the action of Sustain the Sustain testing circuit, be used to detect keyboard action keyboard scanning circuit, be used to export display message and receive the demonstration of control information of external control button input and key circuit and as the parts such as governor circuit of control core.The detailed circuit structure of each circuit is seen accompanying drawing 7~13.
Fig. 7 is a governor circuit, selects PIC18F65J50 as microprocessor.Fig. 8 is a power circuit, and external power source inserts through after the processing such as power circuit filtering, step-down, is master control board and the power supply of each parts.POW-5V is an external power interface.Fig. 9 is a usb circuit, makes master control board that this circuit and external unit swap data can be provided.Figure 10 is the midi interface circuit, is used to make master control board midi signal can be exported.Figure 11 and Figure 12 are respectively Sustain testing circuit and MIDI keyboard scanning circuit, and the main composition part that these two circuit are change-over panels is used to detect the action of pedal and keyboard, and detected actuating signal is passed to microprocessor.Figure 13 is used to export display message to display screen for LED shows and key circuit, and can detect the operation information of external key.Operating personnel can give master control board by the external key input control order.During concrete enforcement, button can be arranged on the body.When display screen is set to touch-screen, can operate by touch-screen, can save external button.
Intelligent piano of the present utility model can be realized the fabulous compatibility to various sample formats, and this also is based on the scalability feature that the ESMMP platform extends out, and is convenient to the upgrading of product.
Screen is by can further distance with the user of interactive screen significantly, screen itself can show music score, reach corresponding position on fingerboard, the microcontroller of built-in two-forty running in the screen qin body, microcontroller carries out rapidly computing to any instruction that the user sent, note and instant the handling of various signal that the player is played, and send corresponding sound accurately, be apparent in the various information that occur corresponding note on the screen simultaneously.By network interface, can will adopt state-of-the-art high in the clouds technology to provide the melody storehouse of style to one's name to the user, arm processor is connected with the high in the clouds server is wired or wireless.Having under the situation of network, can be anywhere or anytime recover own Qu Ku from our high in the clouds and download own need melody, like this with regard to the embarrassment that can not occur can't playing owing to leaving behind music score.
Piano of the present utility model has preset two kinds of patterns, is divided into exercise mode and performance pattern.We enter after the exercise mode, and the user plays according to the note on the music score, play correct note and can down carry out, and our built-in metronome standard rhythm is arranged simultaneously, if performance is incorrect, music score does not down carry out.Enter in the performance pattern, can be when user's performance be finished, through the computing of core, for accuracy in pitch, rhythm, aspects such as mood are instant provides a mark, if any inaccurate place, point out out inaccurate place again on the screen simultaneously, and can carry out the demonstration performance of melody at any time, allow the user that unfamiliar melody is had impression more accurately, be convenient to the requirement study of user according to oneself.
Although above embodiment of the present utility model has been given to describe in detail and explanation; but what should indicate is; we can carry out various equivalences to above-mentioned embodiment according to conception of the present utility model and change and modification; when the function that it produced does not exceed spiritual that instructions and accompanying drawing contain yet, all should be within protection domain of the present utility model.

Claims (7)

1. intelligent piano is characterized in that, comprises body (1), keyboard (4), pedal, display screen (3) and master control board; Described master control board comprises the power interface (5) that is used to master control board power supply and the power switch that is used to control on/off, microprocessor, power amplifier chip, two loudspeakers, two earphone jacks and change-over panel; Described display screen is arranged on the described body; Described keyboard, pedal all are electrically connected with described change-over panel, and described change-over panel is connected with described display screen by microprocessor; Be connected with midi interface on the described change-over panel; Described keyboard, pedal all are connected with described power interface; Be connected with the volume by-pass cock on the sound output of described microprocessor, described volume by-pass cock is connected with two earphone jacks with two loudspeakers respectively.
2. intelligent piano according to claim 1 is characterized in that described body is provided with groove, and display screen is arranged on the described body in hinged mode, and display screen is embedded within the described groove when display screen closes.
3. intelligent piano according to claim 1, it is characterized in that, also be provided with qin lid (2) on the described body (1), described qin lid (2) is arranged on the described body (1) in hinged mode, and the one side that described qin lid (2) is gone up near keyboard is provided with described display screen (3).
4. according to claim 1,2 or 3 described intelligent pianos, it is characterized in that described display screen is a liquid crystal touch screen; Described microprocessor is an arm processor.
5. intelligent piano according to claim 4 is characterized in that, communicates by letter by the mode of radio communication or wire communication between described microprocessor and the high in the clouds server.
6. intelligent piano according to claim 1 is characterized in that, described two earphone jacks are respectively 3.5mm earphone jack (11) and 6.5mm earphone jack (6).
7. intelligent piano according to claim 1 is characterized in that, is connected by USB interface between described change-over panel and the described microprocessor.
CN 201220733744 2012-12-28 2012-12-28 Intelligent piano Expired - Fee Related CN203102847U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103777777A (en) * 2014-02-13 2014-05-07 熊世林 Piano keyboard with text input function and text input method of piano keyboard
CN103903602A (en) * 2012-12-28 2014-07-02 熊世林 Intelligent piano
CN103943094A (en) * 2014-05-16 2014-07-23 刘宝璋 Piano
CN104269164A (en) * 2014-09-11 2015-01-07 苏州市职业大学 Simple arrangement sound mixing meter device
CN105741821A (en) * 2015-12-30 2016-07-06 宜昌金宝乐器制造有限公司 Piano automatic playing and teaching system
CN105741826A (en) * 2015-12-30 2016-07-06 宜昌金宝乐器制造有限公司 Interactive piano and interactive method
CN110517557A (en) * 2019-07-19 2019-11-29 森兰信息科技(上海)有限公司 Piano playing learning method, system and device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103903602A (en) * 2012-12-28 2014-07-02 熊世林 Intelligent piano
CN103777777A (en) * 2014-02-13 2014-05-07 熊世林 Piano keyboard with text input function and text input method of piano keyboard
CN103943094A (en) * 2014-05-16 2014-07-23 刘宝璋 Piano
CN104269164A (en) * 2014-09-11 2015-01-07 苏州市职业大学 Simple arrangement sound mixing meter device
CN105741821A (en) * 2015-12-30 2016-07-06 宜昌金宝乐器制造有限公司 Piano automatic playing and teaching system
CN105741826A (en) * 2015-12-30 2016-07-06 宜昌金宝乐器制造有限公司 Interactive piano and interactive method
CN110517557A (en) * 2019-07-19 2019-11-29 森兰信息科技(上海)有限公司 Piano playing learning method, system and device

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170105

Address after: 230001 Hefei City, Anhui province high tech Zone, No. 599 Mount Huangshan Road, Cyberport, the era of the 3

Patentee after: ANHUI CROSSWAY INTELLIGENT INSTRUMENT TECHNOLOGY CO., LTD.

Address before: 230088 Mount Huangshan Road, Anhui city of Hefei province Shushan District No. 588 Jing Gang town of Tahiti modern city phase 1 building room 701

Patentee before: Xiong Shilin

CP01 Change in the name or title of a patent holder

Address after: 230001 Hefei City, Anhui province high tech Zone, No. 599 Mount Huangshan Road, Cyberport, the era of the 3

Patentee after: Anhui Huasha Technology Co., Ltd.

Address before: 230001 Hefei City, Anhui province high tech Zone, No. 599 Mount Huangshan Road, Cyberport, the era of the 3

Patentee before: ANHUI CROSSWAY INTELLIGENT INSTRUMENT TECHNOLOGY CO., LTD.

CP01 Change in the name or title of a patent holder
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20191228

CF01 Termination of patent right due to non-payment of annual fee