CN207624204U - A kind of chord fingering practising device - Google Patents

Abstract

The utility model discloses a kind of chord fingering practising devices, including exercising machine ontology, the exercising machine ontology includes fingerboard, scroll head and circuit board in the inside of the exercising machine ontology is set, the scroll head is located at the upper end of the fingerboard, the grade of several parallel arrangements is provided on the fingerboard, several strings are provided with above the grade, several strings are vertical with the grade, the surface of the scroll head is provided with electronic display module, the side of the scroll head is provided with several function buttons, the electronic display module and several function buttons with the circuit board electrical connection.The utility model allows learner that can practice chord fingering at any time in the case where not needing other tool auxiliary, tempers finger muscles memory, to achieve the purpose that learn chord by utilizing electronic display module to show electronics chord table at scroll head.

Description

A kind of chord fingering practising device

Technical field

The utility model is related to musical instrument field, more particularly to a kind of chord fingering practising device.

Background technology

Guitar is favored by people as a kind of common stringed musical instrument, and guitar musical instrument is played, and fingering is most basic It is most necessary requirement.For guitar fan, practice fingering is its introduction and leads to the only stage which must be passed by of professional player, but It is the beginner for wanting study guitar, chord is often a pain spot and difficult point in learning.

Currently, being usually the content of courses on control books teaching material or computer, mobile phone when study guitar chord Practise and practice, when no learning materials and guitar the practice of beginner can not just carry out.Although having one on the market now The product of a little portable guitars, but without the product for chord practice.

Thus the prior art could be improved and improve.

Utility model content

Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of chord fingering drainings Device study can practice chord fingering in the case where being detached from teaching material and guitar.

In order to achieve the above object, the utility model takes following technical scheme：

A kind of chord fingering practising device, including exercising machine ontology, the exercising machine ontology include fingerboard, scroll head and setting Circuit board in the inside of the exercising machine ontology, the scroll head are located at the upper end of the fingerboard, are provided on the fingerboard The grade of several parallel arrangements, is provided with several strings above the grade, several strings with the product Position is vertical, and the surface of the scroll head is provided with electronic display module, and the side of the scroll head is provided with several function buttons, institute State electronic display module and several function buttons with the circuit board electrical connection.

In the chord fingering practising device, the quantity of the function button is 4, including the choosing of power key, chord root sound Key, subdivision chord selection key and chord size selection key are selected, the power key and chord root sound selection key are arranged in the scroll head One side on, the subdivision chord selection key and chord size selection key are arranged in another opposite side of the scroll head On.

In the chord fingering practising device, the quantity of the grade is 6.

In the chord fingering practising device, the electronic display module is liquid crystal display.

In the chord fingering practising device, it is provided on the circuit board for the pressing operation control according to function button The control circuit that electronic display module processed is shown, the control circuit connects the electronic display module simultaneously and function is pressed Key.

In the chord fingering practising device, the control circuit include microcontroller, battery, the first capacitance, the second capacitance, Third capacitance, the 4th capacitance, the 5th capacitance, the 6th capacitance, the 7th capacitance, crystal oscillator and first resistor, the liquid crystal display Each COM pins are separately connected a COM pins of microcontroller, and each SEG pins of the liquid crystal display are separately connected microcontroller One SEG pins, the P05/EINT5 feet of the microcontroller even segment one end of chord selection key, the P04/EINT4 of the microcontroller Foot connects one end of chord size selection key, one end of the EIN3/P03 feet connection chord root sound selection key of the microcontroller, institute State one end of the EIN2/P02 connection power keys of microcontroller, the other end of the power key, the other end of chord root sound selection key, The other end of the other end and chord size selection key that segment chord selection key is grounded, and the vdd terminal of the microcontroller connects VCC Feeder ear, the anode of battery, one end of the first capacitance and the second capacitance one end, the cathode of the battery, the first capacitance it is another The ends VSS of one end, the other end of the second capacitance and microcontroller are grounded, one end of the ends the XOUT connection crystal oscillator of the microcontroller, Also by the 6th capacity earth, the ends XIN of the microcontroller connect the other end of crystal oscillator, also by the 7th capacity earth, described The ends RESETB of microcontroller connect VCC feeder ears, the VREG of the microcontroller by the 5th capacity earth, also by first resistor By the 4th capacity earth, the ends AVSS of the microcontroller pass through third capacitance connection VCC feeder ears at end.

The chord fingering contacts wherein, the model MC96F6832L of the microcontroller.

When the chord fingering practising device is used for guitar fingering draining, structure and the Ji of the exercising machine main body His scroll head is similar with the shape of neck portion.

When the chord fingering practising device is used for bass fingering draining, structure and the shellfish of the exercising machine main body This scroll head is similar with the shape of neck portion.

In the chord fingering practising device, the scroll head is rotatablely connected with the fingerboard.

Compared to the prior art, chord fingering practising device provided by the utility model, including exercising machine ontology, the practice Device ontology includes fingerboard, scroll head and circuit board in the inside of the exercising machine ontology is arranged, and the scroll head is located at the finger The upper end of plate is provided with the grade of several parallel arrangements on the fingerboard, several qins is provided with above the grade String, several strings are vertical with the grade, and the surface of the scroll head is provided with electronic display module, the scroll head Side is provided with several function buttons, and the electronic display module and several function buttons are electrically connected with the circuit board It connects.The utility model by scroll head utilize electronic display module show electronics chord table, allow learner do not need it is other Tool can practice chord fingering at any time in the case of assisting, temper finger muscles memory, to achieve the purpose that learn chord.

Description of the drawings

Fig. 1 is the structural schematic diagram of chord fingering practising device provided by the utility model.

Fig. 2 is the positive structure schematic of the scroll head part in chord fingering practising device provided by the utility model.

Fig. 3 is the left side structural schematic diagram of the scroll head part in chord fingering practising device provided by the utility model.

Fig. 4 is the right side structural schematic diagram of the scroll head part in chord fingering practising device provided by the utility model.

Fig. 5 is the schematic diagram of the control circuit in chord fingering practising device provided by the utility model.

Fig. 6 is the interface schematic diagram of the electronic display module in chord fingering practising device provided by the utility model.

Specific implementation mode

The utility model provides a kind of chord fingering practising device, to make the purpose of this utility model, technical solution and effect Clearer, clear, the utility model is further described in the embodiment that develops simultaneously referring to the drawings.It should be appreciated that herein Described specific embodiment only to explain the utility model, is not used to limit the utility model.

Referring to Fig. 1, chord fingering practising device provided by the utility model, including exercising machine ontology, the exercising machine sheet Body includes fingerboard 1, scroll head 2 and is arranged circuit board in the inside of the exercising machine ontology（It is not shown in figure）, the scroll head 2 Positioned at the upper end of the fingerboard 1, the fingerboard 1 is provided with the grade 11 of several parallel arrangements, the top of the grade 11 Several strings 12 are provided with, several strings are vertical with the grade 11, and the surface of the scroll head 2 is provided with electronics The side of display module 21, the scroll head 2 is provided with several function buttons, and the electronic display module and several functions are pressed Key with the circuit board electrical connection.

Specifically, the chord fingering practising device be portable exercising machine, easy to carry, of simple structure and strong practicability, The fingerboard 1 is similar to the shape of musical instrument neck, and user can be used for carrying out fingering draining whenever and wherever possible, be arranged on fingerboard 1 Grade 11 can do simulated exercises for user, in preferred embodiment, the quantity of the string 12 is 5, the product The quantity of position 11 is 6, by selecting common preceding 6 grades of guitar that can practice for beginner, on the surface of the scroll head 2 The electronic display module 21 of setting can be used for showing that electronics chord table, the electronics chord table can instruct user's progress chord to refer to Method is practiced, and when specifically used, user presses the function button, and 21 response function button of electronic display module simultaneously shows correspondence Chord indicate information so that allow learner that can practice chord fingering at any time in the case where not needing other tools auxiliary, Finger muscles memory is tempered, to achieve the purpose that learn chord.

It should be noted that, chord fingering practising device provided by the utility model does not have articulatory system, is being practiced simultaneously When habit, will not make a sound so that user will not bother the crowd on periphery when carrying out fingering draining, to can reach with When the purpose practiced everywhere.

Furthermore, it is understood that please continue to refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the quantity of the function button is 4, including electricity Source key 22, chord root sound selection key 23, subdivision chord selection key 24 and chord size selection key 25, the power key 22 and chord Root sound selection key is arranged on the one side of the scroll head 2, and the subdivision chord selection key 24 and chord size selection key 25 are set It sets on another opposite side of the scroll head 2, the power key 22 is for being turned on and off the electronic display module 21 For electric installation, when long-press power key 22 reaches 2 seconds, electronic display module 21 can be powered display or power-off close；It is described and String root sound selection key 22 is for selecting chord root sound, when user's flicking chord root sound selection key 22, chord root sound selection key 22 for selecting chord root sound, when user's long-press chord root sound selection key 22 reaches 2 seconds, is recycled into chord；It is described thin Divide chord selection key 24 for selecting subdivision chord, the chord size selection key 25 is for selecting chord size, this practicality is newly Type is operated by using function button, is responded using the circuit board of exercising machine body interior to control electronic display module 21 The operation of function button and the chord instruction for showing response, have reached and have allowed learner in the case where not needing other tool auxiliary Practice chord fingering, the purpose tempered finger muscles memory, learn chord at any time.

Furthermore, it is understood that referring to Fig. 6, the electronic display module 21 be liquid crystal display, can clearly show that chord Dial gauge, 3 regions of the liquid crystal display point are shown, including chord name display area, chord figure display area and beat And chord number display area, chord name display area show that the current chord name of user, Far Left show chord root Sound is size chord subdivision chord and serial number successively to the right；The leftmost digital representation first row in chord figure display area is Which product of guitar, top display whether that this root string of bullet, dot matrix are the positions for showing corresponding chord and the pressing of guitar fingerboard so that User consults fingering just as guitar spectrum of leafing through；Beat and chord number display area are the current note of display successively from the top down Chord serial number, metronome instruction figure and the current beat speed recalled.

In further preferred embodiment, the fingerboard 1 can also carry out bright light instruction, can directly indicate that practitioner carries out Fingering draining, convenient for users to study.

In order to realize the display function of electronic display module 21, it is provided with for according to function button on the circuit board The control circuit that pressing operation control electronic display module is shown, the control circuit connect the electronical display mould simultaneously Block 21 and function button.

Specifically, referring to Fig. 5, the control circuit includes microcontroller U1, battery BT1, the first capacitance C1, the second electricity Hold C2, third capacitance C3, the 4th capacitance C4, the 5th capacitance C5, the 6th capacitance C6, the 7th capacitance C7, crystal oscillator Y1 and first resistor R1, the microcontroller U1 show electronics chord table for controlling liquid crystal display, and remember User Defined chord, while can also Realize cycle chord and beat function, in preferred embodiment, the model MC96F6832L of the microcontroller U1, performance is steady Fixed, the speed of service is fast, and certainly in other embodiments, other, which also can be used, can realize the microcontroller of the utility model function, The utility model is not construed as limiting this, the first capacitance C1, the second capacitance C2, third capacitance C3, the 4th capacitance C4 and the 5th Capacitance C5 is played a filtering role, and the first resistor R1 is pull-up resistor.

When it is implemented, each COM pins of the liquid crystal display are separately connected a COM pins of microcontroller U1, it is described Each SEG pins of liquid crystal display are separately connected a SEG pins of microcontroller U1, and the P05/EINT5 feet of the microcontroller U1 connect Segment one end of chord selection key 24, one end of the P04/EINT4 feet connection chord size selection key 25 of the microcontroller U1, institute State one end of the EIN3/P03 feet connection chord root sound selection key 23 of microcontroller U1, the EIN2/P02 connection electricity of the microcontroller U1 One end of source key 22, the other end of the power key 22, segment chord selection key 24 at the other end of chord root sound selection key 23 The other end and the other end of chord size selection key 25 are grounded, vdd terminal connection VCC feeder ears, the battery of the microcontroller U1 The anode of BT1, one end of the first capacitance C1 and the second capacitance C2 one end, the cathode of the battery BT1, the first capacitance C1 it is another The ends VSS of one end, the other end of the second capacitance C2 and microcontroller U1 are grounded, the ends the XOUT connection crystal oscillator Y1 of the microcontroller U1 One end, also by the 6th capacitance C6 ground connection, the other end of the ends the XIN connection crystal oscillator Y1 of the microcontroller U1, also by the 7th The ends RESETB of capacitance C7 ground connection, the microcontroller U1 are supplied by the 5th capacitance C5 ground connection, also by first resistor R1 connections VCC Electric end, by the 4th capacitance C4 ground connection, the ends AVSS of the microcontroller U1 pass through third capacitance at the ends VREG of the microcontroller U1 C3 connection VCC feeder ears.

In further embodiment, chord fingering practising device provided by the utility model can be used for carrying out a variety of musical instrument white silks It practises, such as in guitar, bass, You Keli, the stringed musical instruments such as mandolin, when for guitar fingering draining, the exercising machine main body Structure it is similar to the shape of the scroll head of the guitar and neck portion, when for bass fingering draining, the exercising machine master The structure of body is similar to the shape of the scroll head of the bass and neck portion, likewise, when being used for other stringed musical instruments, such as You Keli In or when mandolin, the structure of the exercising machine main body in the You Keli or the scroll head of mandolin and the shape of neck portion It is similar, facilitate user to do simulated exercises, to reach better practice effect.

In further embodiment, the scroll head 2 is rotatablely connected with the fingerboard 1, and the scroll head 2 can the relatively described fingerboard 1 90 ° of maximum rotation so that scroll head 2 when in use, can be rotated suitable angle by user, convenient for observation electronic display module 21 The electronics chord table of upper display, to facilitate user to practice, in preferred embodiment, the scroll head 2 is logical with the fingerboard 1 The connection of single direction ratchet engaging mechanism is crossed, user will not fall after rise when turning to scroll head 2 with fingerboard 1 at an angle of 90, can consolidate automatically It is fixed, when by 2 homing of scroll head, the both ends of scroll head 2 and the connecting portion of fingerboard 1 need to be only pressed, scroll head 2 can answer automatically Position.

In conclusion the utility model allows study by utilizing electronic display module to show electronics chord table at scroll head Person can practice chord fingering at any time in the case where not needing other tool auxiliary, finger muscles memory be tempered, to reach Learn the purpose of chord.

It is understood that for those of ordinary skills, can with technical solution according to the present utility model and The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model Scope of the claims.

Claims (10)

1. a kind of chord fingering practising device, which is characterized in that including exercising machine ontology, the exercising machine ontology includes fingerboard, qin Head and circuit board in the inside of the exercising machine ontology is set, the scroll head is located at the upper end of the fingerboard, the finger It is provided with the grade of several parallel arrangements on plate, several strings, several strings are provided with above the grade Vertical with the grade, the surface of the scroll head is provided with electronic display module, and the side of the scroll head is provided with several Function button, the electronic display module and several function buttons with the circuit board electrical connection.

2. chord fingering practising device according to claim 1, which is characterized in that the quantity of the function button is 4, packet Include power key, chord root sound selection key, subdivision chord selection key and chord size selection key, the power key and the choosing of chord root sound It selects key to be arranged on the one side of the scroll head, the subdivision chord selection key and chord size selection key are arranged in the scroll head Another opposite side on.

3. chord fingering practising device according to claim 1, which is characterized in that the quantity of the grade is 6.

4. chord fingering practising device according to claim 1, which is characterized in that the electronic display module is liquid crystal display Screen.

5. chord fingering practising device according to claim 4, which is characterized in that be provided with for basis on the circuit board The control circuit that the pressing operation control electronic display module of function button is shown, the control circuit is simultaneously described in connection Electronic display module and function button.

6. chord fingering practising device according to claim 5, which is characterized in that the control circuit includes that monolithic is mechanical, electrical Pond, the first capacitance, the second capacitance, third capacitance, the 4th capacitance, the 5th capacitance, the 6th capacitance, the 7th capacitance, crystal oscillator and first Each COM pins of resistance, the liquid crystal display are separately connected a COM pins of microcontroller, each SEG of the liquid crystal display Pin is separately connected a SEG pins of microcontroller, and the P05/EINT5 feet of the microcontroller even segment one end of chord selection key, The microcontroller P04/EINT4 feet connection chord size selection key one end, the microcontroller EIN3/P03 feet connection and One end of string root sound selection key, one end of the EIN2/P02 connection power keys of the microcontroller, the other end of the power key and The other end of the other end of string root sound selection key, the other end for segmenting chord selection key and chord size selection key is grounded, institute State the vdd terminal connection VCC feeder ears of microcontroller, one end and the second capacitance of the anode of battery, the first capacitance one end, the electricity The cathode in pond, the other end of the first capacitance, the other end of the second capacitance and microcontroller the ends VSS be grounded, the microcontroller The ends XOUT connect one end of crystal oscillator, also by the 6th capacity earth, the other end of the ends the XIN connection crystal oscillator of the microcontroller, By the 7th capacity earth, the ends RESETB of the microcontroller connect VCC by the 5th capacity earth, also by first resistor and supply Electric end, by the 4th capacity earth, the ends AVSS of the microcontroller pass through third capacitance connection VCC at the ends VREG of the microcontroller Feeder ear.

7. chord fingering practising device according to claim 6, which is characterized in that the model of the microcontroller MC96F6832L。

8. chord fingering practising device according to claim 1, which is characterized in that described when for guitar fingering draining The structure of exercising machine main body is similar to the shape of the scroll head of the guitar and neck portion.

9. chord fingering practising device according to claim 1, which is characterized in that described when for bass fingering draining The structure of exercising machine main body is similar to the shape of the scroll head of the bass and neck portion.

10. chord fingering practising device according to claim 1, which is characterized in that the scroll head connects with fingerboard rotation It connects.