CN209232393U

CN209232393U - A kind of thumb piano of novel bright indicator light

Info

Publication number: CN209232393U
Application number: CN201821987787.5U
Authority: CN
Inventors: 洪文泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-29
Filing date: 2018-11-29
Publication date: 2019-08-09
Anticipated expiration: 2028-11-29

Abstract

The utility model discloses a kind of thumb piano of novel bright indicator light, including thumb piano body, multiple it is independently distributed thumb piano elastic slice different in size, fixed plate and pressure sensitivity pickup component, fixed plate is equipped with a LED light string, LED bulb and thumb piano elastic slice in LED light string correspond, control device includes that microcontroller circuit and the low-power consumption connecting with the microcontroller circuit management circuit, USB charging circuit, serial ports download circuit, digital pipe display circuit, LED display circuit, key scanning circuit, the LED display circuit are electrically connected with the LED light string.The qin editted in advance, using the interior storage space of microprocessor, is composed deposit microprocessor using microcontroller as master devices by the thumb piano of the novel bright indicator light of the utility model.Guide user to play melody with the mode that LED light indicates so that even if will not the people of identification of spectrogram can also play many songs.

Description

A kind of thumb piano of novel bright indicator light

Technical field

The utility model relates to thumb piano, and in particular to one kind has through various ways such as LED light, charactron, keys Cooperate the Kalimba thumb piano of the novel bright indicator light of guidance.

Background technique

Currently, with the development of the society, material life is more and more abundant.People are just increasingly stronger to the pursuit of spiritual culture It is strong.Student enrollment and young friend are most susceptible to entertainment influence, that must be interested in connection music.Generally Shoegaze volume it is bigger, not portable and place, and price is relatively high, thus can hinder to the interested friend of music Study, thumb piano is a kind of musical instrument from Africa, have the characteristics that small in size, study introduction is easy, easy to operate, thus Liked by layman, but learning thumb piano for the friend for failing to see music score still has certain difficulty, is Meet layman and think the good musical instrument of bullet but the busy this contradiction for going study, is badly in need of a kind of novel thumb piano.

Utility model content

In view of this, the present invention provides a kind of thumb piano of novel bright indicator light.

To achieve the above object, the utility model provides the following technical solutions:

A kind of thumb piano of novel bright indicator light, including thumb piano body, the multiple independences being arranged on the thumb piano body It is distributed thumb piano elastic slice different in size, the fixed plate for installing thumb piano elastic slice and pressure sensitivity pickup component, the fixed plate It is equipped with a LED light string, the LED bulb in the LED light string is located at the top of corresponding thumb piano elastic slice.

It further, further include a control device, the LED light string is electrically connected with the control device.

Further, the control device includes microcontroller circuit, low-power consumption management circuit, USB charging circuit, serial ports Download circuit, digital pipe display circuit, LED display circuit, key scanning circuit；The microcontroller circuit is separately connected low function Consumption management circuit, USB charging circuit, serial ports download circuit, digital pipe display circuit, LED display circuit, key scanning circuit, The LED display circuit is electrically connected with the LED light string.

Further, the digital pipe display circuit includes three Digital sum pipe D2, charactron interface chip R15, R16, Triode Q3, Q4, Q5；Three Digital sum pipe D2 are separately connected charactron interface chip R15, R16, triode Q3, Q4, Q5；It is digital The I/O mouth of interface tube chip R15, R16 connection CPU.

Further, the low-power consumption management circuit includes PMOS tube Q2, resistance R6, R7；The drain electrode of PMOS tube Q2 connects Connecting terminal VLED, resistance R6 are connected across between the source electrode and grid of PMOS tube Q2, and the source electrode of resistance R6 and PMOS tube Q2 connect respectively Connect power supply Vpower, the grid of resistance R7 connection PMOS tube Q2.

Further, the key scanning circuit includes key S1, S2, S3, S4, resistance R4, R5, R8, R11, key S1, S2, S3, S4 pass through resistance R4, R5, R8, R11 connection power supply VPower respectively.

Further, the LED display circuit includes power filter, display plate interface, display driver chip U1, LED Display circuit；The display driver chip U1 is separately connected power filter, display plate interface, LED display circuit；The LED is aobvious Show that circuit is that several light emitting diodes compose in parallel.

It can be seen from the above technical scheme that the utility model has the advantages that:

The thumb piano of the novel bright indicator light of the utility model utilizes microprocessor using microcontroller as master devices The qin editted in advance is composed deposit microprocessor by interior storage space.Use is guided step by step with the mode that LED light indicates Melody is played at family, and sound device played to reduce its as far as possible professional.

Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model Point.Below with reference to figure, the utility model is described in further detail.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the control principle drawing of the control device of the utility model.

Fig. 3 is the main control chip and interface principle figure of the utility model.

Fig. 4 is the USB charging circuit schematic diagram of the utility model.

Fig. 5 is the digital pipe display circuit schematic diagram of the utility model.

Fig. 6 is the low-power consumption management circuit diagram of the utility model.

Fig. 7 is the key scanning circuit schematic diagram of the utility model.

Fig. 8 is the LED display circuit schematic diagram of the utility model.

Appended drawing reference are as follows: thumb piano body 1, fixed plate 2, thumb piano elastic slice 3, LED light string 4, LED bulb 41, control device 5, controller housing 6, charactron 7.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to figs. 1 to Fig. 7, the thumb piano of the novel bright indicator light of one kind as shown in Figure 1, including thumb piano body 1, setting exist Multiple on the thumb piano body 1 are independently distributed thumb piano elastic slice 3 different in size, the fixation for installing thumb piano elastic slice 3 Plate 2 and pressure sensitivity pickup component, fixed plate 2 are equipped with a LED light string 4, and the LED light string 4 is located at the upper of the thumb piano elastic slice 3 Side, and the LED bulb 41 being located in the LED light string 4 and the thumb piano elastic slice 3 correspond, the LED light string 4 and control Device 5 processed is electrically connected, and the control device 5 controls that different LED bulbs 41 is bright to be indicated to need bullet according to the music score of storage The thumb piano elastic slice 3 of pressure is played to guide user to carry out melody.

Control device 5 is mounted in controller housing 6, be equipped on controller housing 6 charactron 7 and key S1, S2, S3, S4, key S1, S2 are located at the left side of charactron 7, and key S3, S4 are located at the right of charactron 7.When playing, controller housing 6 are placed on the top of thumb piano body 1.

As shown in Fig. 2, the control device 5 includes microcontroller circuit, low-power consumption management circuit, USB charging circuit, string Mouth download circuit, digital pipe display circuit, LED display circuit, key scanning circuit；The microcontroller circuit is separately connected low Power consumption management circuit, USB charging circuit, serial ports download circuit, digital pipe display circuit, LED display circuit, key scan electricity Road, the LED display circuit are electrically connected with the LED light string 4.

As shown in figure 3, the thumb piano using STC8F2K64S4 as main control chip, contain TM1650 in governor circuit Interface circuit and serial ports download circuit.

As shown in figure 4, USB charging circuit passes through tp4056 chip after powered up provides a stable 4.2v DC power supply It charges to lithium battery.And it is full of and automaticallys cut off the power.

As shown in figure 5, the digital pipe display circuit includes three Digital sum pipe D2, charactron interface chip R15, R16, three Pole pipe Q3, Q4, Q5；Three Digital sum pipe D2 are separately connected charactron interface chip R15, R16, triode Q3, Q4, Q5；Charactron The I/O mouth of interface chip R15, R16 connection CPU.When user using after accidentally forget to turn off, then no operating time will be started to count When, charactron power supply is cut off after two minutes, and microprocessor enters suspend mode.

As shown in fig. 6, the low-power consumption management circuit includes PMOS tube Q2, resistance R6, R7；The drain electrode of PMOS tube Q2 connects Terminal VLED, resistance R6 are connected across between the source electrode and grid of PMOS tube Q2, and the source electrode of resistance R6 and PMOS tube Q2 are separately connected Power supply Vpower, the grid of resistance R7 connection PMOS tube Q2.When user using after accidentally forget to turn off, then will be to no operating time Start timing, display panel voltage source is cut off after two minutes, and microprocessor enters suspend mode.

As shown in fig. 7, the key scanning circuit includes key S1, S2, S3, S4, resistance R4, R5, R8, R11, key S1, S2, S3, S4 pass through resistance R4, R5, R8, R11 connection power supply VPower respectively.Key circuit has added pull-up resistor, it is ensured that presses The stability of key.

As shown in figure 8, the LED display circuit includes power filter, shows that plate interface, display driver chip U1, LED are aobvious Show circuit；The display driver chip U1 is separately connected power filter, display plate interface, LED display circuit；The LED is shown Circuit is that several light emitting diodes compose in parallel.LED display circuit uses special LED pipe and manages chip, it is steady to improve circuit It is qualitative.Display driver chip U1 is TM1650.

The thumb piano of the novel bright indicator light of one kind of the utility model embodiment is utilized using microcontroller as master devices The interior storage space of microprocessor, by the good qin spectrum deposit microprocessor of pre-conversion.One step one of mode indicated with LED light Guidance user in step ground plays melody, and sound device played to reduce its as far as possible professional.

The thumb piano of the novel bright indicator light of one kind of the utility model embodiment, in the top of each thumb piano elastic slice 3, It is corresponding with a LED bulb 41, by programming the thumb piano elastic slice 3 played required for typing song in advance, by the LED of corresponding key Light bulb 41 lights, and user does not need identification of spectrogram, stirs thumb piano elastic slice 3 by bright light prompt, can play out the rotation of the song Rule.It is equipped with a LED light string 4, the corresponding key mapping of each LED bulb 41 on the support frame.It is guided with the mode that LED light indicates User plays melody so that even if will not the people of identification of spectrogram can also play many songs.

When thumb piano is run, " song serial number " will be gone out in numeral method, the song for needing to play can be selected by key, And " the beat gear page " can be switched to by key to adjust the speed singly clapped.Thumb piano is with regard to automatic after pressing "OK button" It isolates the tone prestored and beat length and guides user to play by the LED bulb of display panel 41, it is simple and convenient.

The intimate low-power consumption that devises of the thumb piano manages circuit.When user does not operate for a long time and does not cut off the power When, the power supply of all circuits of the device by cutting other than microprocessor avoids " when wanting to use, having more than is needed " as far as possible It is awkward.

Live part uses more mature TP4056 charging chip, will automatically cut off the power after being full of, to prevent mistake It fills.The management of the LED light string 4 of display panel uses the TM1650 chip of martial prowess, function-stable.By our continuous tune Examination is adjusted to now soft brightness, proper user experience.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims

1. a kind of thumb piano of novel bright indicator light, multiple on the thumb piano body (1) including thumb piano body (1), setting It is independently distributed thumb piano elastic slice (3) different in size, fixed plate (2) and pressure sensitivity pickup group for installing thumb piano elastic slice (3) Part, which is characterized in that the fixed plate (2) is equipped with a LED light string (4), LED bulb (41) position on the LED light string (4) In the top of corresponding thumb piano elastic slice (3).

2. the thumb piano of novel bright indicator light according to claim 1, which is characterized in that it further include a control device (5), The LED light string (4) is electrically connected with the control device (5).

3. the thumb piano of novel bright indicator light according to claim 2, which is characterized in that the control device (5) includes Microcontroller circuit, low-power consumption management circuit, USB charging circuit, serial ports download circuit, digital pipe display circuit, LED display electricity Road, key scanning circuit；The microcontroller circuit is separately connected low-power consumption management circuit, USB charging circuit, serial ports downloading electricity Road, digital pipe display circuit, LED display circuit, key scanning circuit, the LED display circuit and the LED light string (4) electricity Connection.

4. the thumb piano of novel bright indicator light according to claim 3, which is characterized in that the digital pipe display circuit packet Include three Digital sum pipe D2, charactron interface chip R15, R16, triode Q3, Q4, Q5；Three Digital sum pipe D2 are separately connected number Interface tube chip R15, R16, triode Q3, Q4, Q5；The I/O mouth of charactron interface chip R15, R16 connection CPU.

5. the thumb piano of novel bright indicator light according to claim 3, which is characterized in that the low-power consumption manages circuit packet Include PMOS tube Q2, resistance R6, R7；The drain electrode connection terminal VLED of PMOS tube Q2, resistance R6 be connected across PMOS tube Q2 source electrode and Between grid, the source electrode of resistance R6 and PMOS tube Q2 are separately connected power supply Vpower, the grid of resistance R7 connection PMOS tube Q2.

6. the thumb piano of novel bright indicator light according to claim 3, which is characterized in that the key scanning circuit includes Key S1, S2, S3, S4, resistance R4, R5, R8, R11, key S1, S2, S3, S4 pass through resistance R4, R5, R8, R11 connection respectively Power supply VPower.

7. the thumb piano of novel bright indicator light according to claim 3, which is characterized in that the LED display circuit includes Power filter, display plate interface, display driver chip U1, LED display circuit；The display driver chip U1 is separately connected power supply Filtering, display plate interface, LED display circuit；The LED display circuit is that several light emitting diodes compose in parallel.

8. the thumb piano of novel bright indicator light according to claim 2, which is characterized in that the good qin of pre-conversion composes deposit In the microprocessor of the control device (5).