String module and digital guitar

Abstract

The utility model belongs to the technical field of guitars, and discloses a string module and a digital guitar. The string module comprises a mounting base, a circuit board, a plurality of string shifting pieces and a plurality of sensors. The mounting seat can be mounted on a main body of the digital guitar; the circuit board is fixedly arranged on the mounting seat; the plurality of string shifting pieces are arranged on the circuit board at intervals, each string shifting piece is fixedly connected with the circuit board and electrically connected with a capacitance contact of the circuit board, and each string shifting piece is provided with a gap extending in the length direction of the string shifting piece; the plurality of sensors are embedded in the gaps of the plurality of string dialing pieces in a one-to-one correspondence manner, and the positive and negative lead wires of each sensor are electrically connected with the wiring points, corresponding to the sensors, on the circuit board. The string shifting piece generates bending deformation, and the sensor can generate bending deformation the same as the bending deformation of the string shifting piece. According to the string module sensor, accurate deformation detection can be carried out, and the size of the deformation can be corresponding by changing the stirring force, so that the volume can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of guitar, especially a string module and digital guitar. BACKGROUND

[0002] Some existing digital guitars generally adopt string vibration information collection through a pickup and corresponding circuit conversion into a digital signal, or adopt a single touch switch. The string vibration product has a large tension on the string and the string is thin, and many strings are made of metal wire, so if the force is excessive, the string will easily break, which has the risk of hurting the hands of amateur enthusiasts, in addition, the string tension is uneven and easy to change, which further leads to unstable sound; the single touch switch product has no change in the plucking force, which further leads to single volume. SUMMARY

[0003] The utility model discloses a string module and digital guitar, avoid the string plucking piece breakage damage, and can realize the regulation of the volume size, and sensor detection is accurate.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] The string module comprises:

[0006] A mounting seat;

[0007] A circuit board fixedly arranged on the mounting seat;

[0008] A plurality of string plucking pieces are fixedly arranged on the circuit board in intervals and electrically connected with the circuit board, and each string plucking piece is provided with a gap extending along the length direction thereof;

[0009] A plurality of sensors are embedded in the gaps of the plurality of string plucking pieces one by one, the sensors can produce the same deformation as the string plucking pieces, and each sensor is electrically connected with the circuit board.

[0010] As an optional scheme, the string plucking piece comprises:

[0011] A conductive part, one end of which is fixedly connected with the circuit board and electrically connected with the circuit board;

[0012] An insulating part arranged between the conductive part and the circuit board, and one end of the insulating part towards the circuit board is provided with the gap, and one end of the insulating part away from the circuit board is fixedly connected with the conductive part.

[0013] As an optional solution, it also includes a plurality of pressure covers corresponding one to one with the string plectrum, the pressure covers are provided with a limiting groove, the bottom of the limiting groove is provided with a clearance hole, the pressure cover is fixedly connected to the circuit board, a part of the conductive part and a part of the insulating part are both limited in the limiting groove, and another part of the conductive part and another part of the insulating part are exposed through the clearance hole.

[0014] As an optional solution, the conductive portion includes a conductive connecting portion and a conductive fixing plate, the conductive fixing plate is fixedly connected to one end of the conductive connecting portion, and the conductive fixing plate is fixedly connected to the circuit board and electrically connected to the circuit board;

[0015] The insulating portion includes an insulating connecting portion and an insulating fixing plate that are fixedly connected to each other vertically, the insulating fixing plate is arranged on the circuit board, and one end of the insulating connecting portion facing away from the insulating fixing plate is fixedly connected to the conductive connecting portion;

[0016] The conductive fixing plate and the insulating fixing plate are limited in the limiting groove, and the conductive connecting portion and the insulating connecting portion are both exposed through the clearance hole.

[0017] As an optional solution, the conductive connecting part includes a vertical plate and a horizontal bar connected to each other vertically, the vertical plate is located at one end of the horizontal bar and is fixedly connected to the conductive fixing plate, and the insulating connecting part is fixedly connected to the horizontal bar at one end away from the insulating fixing plate.

[0018] As an optional solution, the string plectrum is an integrally formed structure.

[0019] As an optional solution, the conductive part is made of conductive silicone; and the insulating part is made of insulating silicone.

[0020] As an optional solution, it further includes a plurality of light-emitting lamps corresponding one to one with the string plectrum, wherein the light-emitting lamps are fixedly arranged on the circuit board and electrically connected to the circuit board, and a recess is provided at one end of the string plectrum facing the circuit board, and the light-emitting lamps are located in the recess.

[0021] As an optional solution, the sensor is a pressure-sensitive film sensor, a piezoelectric film sensor, or a deformation resistance sensor.

[0022] A digital guitar comprises the string module described in any of the above solutions.

[0023] Beneficial effects of the utility model:

[0024] The string module makes the operator cause the sensor to produce electric signal change by plucking the string plucking piece, calculates the change amount through the circuit board, thereby obtains the size value of the volume to realize sound production, and the sound production is stable and the phenomenon of traditional metal wire string breakage damage and hand injury accidents are avoided; in addition, the sensor is embedded in the gap of the string plucking piece, so that the sensor can produce the same deformation as the string plucking piece, so that the sensor can perform accurate deformation detection, and the deformation size can be corresponded by changing the plucking strength, thereby realizing the adjustment of the volume size. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structure schematic view of the string module provided by the utility model embodiment;

[0026] Figure 2 is a structure schematic view of the string plucking piece;

[0027] Figure 3 is Figure 2 is a structure enlarged view of A in the figure;

[0028] Figure 4 is a sectional view of the string module provided by the utility model embodiment;

[0029] Figure 5 is a structure schematic view of the conductive part;

[0030] Figure 6 is a first structure schematic view of the insulating part;

[0031] Figure 7 is a structure schematic view of the gland;

[0032] Figure 8 is a second structure schematic view of the insulating part;

[0033] Figure 9 is Figure 8 is a structure enlarged view of B in the figure.

[0034] In the figure:

[0035] 1, mounting seat; 11, support plate;

[0036] 2, circuit board;

[0037] 3, string plucking piece; 31, conductive part; 311, conductive fixed plate; 312, vertical plate; 313, horizontal bar; 32, insulating part; 321, insulating fixed plate; 3211, accommodation recess; 322, insulating connecting part; 323, gap;

[0038] 4. Sensor;

[0039] 5. Cover; 51. Limiting groove; 52. Letting hole;

[0040] 6. Light emitting lamp. DETAILED DESCRIPTION

[0041] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar parts or parts having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0042] In the description of the present application, unless explicitly defined and limited otherwise, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] In the description of the present application, unless explicitly defined and limited otherwise, the first feature "on" or "below" the second feature can include that the first feature and the second feature are in direct contact, or the first feature and the second feature are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0044] The technical scheme of the present application is further illustrated below by combining the drawings and through the specific embodiments.

[0045] The embodiment of the present application provides a string module applied to a digital guitar. Figures 1-9As shown, the string module includes a mounting seat 1, a circuit board 2, a plurality of string plucks 3 and a plurality of sensors 4. Among them, the mounting seat 1 can be mounted on the main body of the digital guitar; the circuit board 2 is fixedly arranged on the mounting seat 1; a plurality of string plucks 3 are arranged on the circuit board 2 in a spaced manner, each string pluck 3 is fixedly connected with the circuit board 2 and electrically connected with the capacitor contact of the circuit board 2, so that the string pluck 3 can be connected with the capacitor touch circuit of the circuit board 2, and different capacitance values can be formed when the finger contacts and leaves the string pluck 3 (for example, when the finger contacts the string pluck 3, the capacitance value is C1, and the channel mapped by the string pluck 3 is set to be disabled or the sound before being turned off; when the finger leaves the string pluck 3, the capacitance value is C0, and the channel mapped by the string pluck 3 is set to be turned on), and each string pluck 3 is provided with a gap 323 extending along the length direction thereof; a plurality of sensors 4 are embedded in the gaps 323 of the plurality of string plucks 3 in a one-to-one correspondence, and the positive and negative electrode leads of each sensor 4 are respectively electrically connected with the corresponding wiring points on the circuit board 2. When the string pluck 3 is contacted and plucked, the string pluck 3 generates bending deformation, and since the sensor 4 is embedded in the gap 323 of the string pluck 3, the sensor 4 can generate the same bending deformation as the string pluck 3 under the bending deformation of the string pluck 3. The sensor 4 is electrically connected with the circuit board 2 and amplifies the signal of the bending deformation, and finally calculates the size of the volume corresponding to the plucking force.

[0046] The string module sets the string pluck 3, so that the operator can generate an electrical signal change of the sensor 4 by plucking the string pluck 3, and calculate the change amount through the circuit board 2 to obtain the size value of the volume, so as to realize sound production, and the sound production is stable and the phenomenon of traditional metal wire string breakage damage and hand injury accidents are effectively avoided; in addition, the sensor 4 is embedded in the gap 323 of the string pluck 3, so that the sensor 4 can generate the same deformation as the string pluck 3, so that the sensor 4 can accurately detect the deformation, and the deformation size can be corresponded by changing the plucking force, and then the volume size is adjusted.

[0047] Optionally, according to different needs, the sensor 4 can be selected as one of a pressure-sensitive film sensor, a piezoelectric film sensor or a deformation resistance sensor. When the string pluck 3 is plucked to generate bending deformation, the corresponding sensor 4 senses the pressure and bending deformation, and the pressure-sensitive film sensor, the piezoelectric film sensor or the deformation resistance sensor can accurately detect.

[0048] Optionally, as shown in the accompanying drawings, Figure 2 and in combination Figures 4-7As shown, the string plucking piece 3 comprises a conductive part 31 and an insulating part 32, one end of the conductive part 31 is fixedly connected with the circuit board 2 and is electrically connected with the capacitor contact of the circuit board 2; the insulating part 32 is arranged between the conductive part 31 and the circuit board 2, and one end of the insulating part 32 towards the circuit board 2 is provided with a gap 323, the sensor 4 is arranged in the gap 323, and one end of the insulating part 32 away from the circuit board 2 is fixedly connected with the conductive part 31. The structure design makes the sensor 4 wrapped by the insulating part 32, avoiding the influence of the charge change of the conductive part 31 on the numerical accuracy of the sensor 4; and by fixedly connecting the insulating part 32 and the conductive part 31, when the operator contacts and plucks the conductive part 31, the insulating part 32 can be bent and deformed at the same time.

[0049] Further, the string module further comprises a plurality of gland nuts 5 corresponding to the string plucking pieces 3 one by one, the gland nut 5 is provided with a limiting groove 51, the groove bottom of the limiting groove 51 is provided with a clearance hole 52, the gland nut 5 is fixedly connected with the circuit board 2, and a part of the conductive part 31 and a part of the insulating part 32 are both limited in the limiting groove 51, so as to fix the insulating part 32 and the conductive part 31, to prevent the string plucking piece 3 from moving in position when the string plucking piece 3 is plucked, and to effectively prevent the sensor 4 from moving badly or coming out; the other part of the conductive part 31 and the other part of the insulating part 32 are both exposed through the clearance hole 52, to facilitate the operator to pluck the string plucking piece 3.

[0050] Specifically, the conductive part 31 comprises a conductive connecting part and a conductive fixed plate 311, the conductive fixed plate 311 is fixedly connected at one end of the conductive connecting part, and the conductive fixed plate 311 is fixedly connected with the circuit board 2 and is electrically connected with the capacitor contact of the circuit board 2; the insulating part 32 comprises an insulating connecting part 322 and an insulating fixed plate 321 fixedly connected with each other, the insulating fixed plate 321 is arranged on the circuit board 2, and one end of the insulating connecting part 322 away from the insulating fixed plate 321 is fixedly connected with the conductive connecting part. The gland nut 5 is buckled on the circuit board 2 and is fixedly connected with the circuit board 2, the conductive fixed plate 311 and the insulating fixed plate 321 are both limited in the limiting groove 51, and the conductive connecting part and the insulating connecting part 322 are both exposed through the clearance hole 52. The structure makes the limiting groove 51 arranged towards the circuit board 2 to buckle the conductive fixed plate 311 and the insulating fixed plate 321 when the gland nut 5 is buckled on the circuit board 2, to fix the conductive part 31 and the insulating part 32, and the groove bottom of the limiting groove 51 is provided with the clearance hole 52, so that the conductive connecting part and the insulating connecting part 322 can be exposed, so that the deformation can be accurately transmitted to the sensor 4 when the string plucking piece 3 is contacted and plucked, the structure design is reasonable, and the number of screws arranged on the string plucking piece 3 can be reduced. In this embodiment, only one screw is arranged on the conductive fixed plate 311 of the string plucking piece 3 to be connected with the circuit board 2.

[0051] Further, the conductive connecting part comprises vertical plates 312 and horizontal strip rods 313 connected perpendicularly to each other, the vertical plates 312 are located at one end of the horizontal strip rods 313 and fixedly connected with the conductive fixed plate 311, and the end, away from the insulating fixed plate 321, of the insulating connecting part 322 is fixedly connected with the horizontal strip plate.

[0052] Optionally, the string plucking piece 3 is an integral molding structure, and the conductive part 31 and the insulating part 32 are integrally processed by using an integral molding process.

[0053] Optionally, the conductive part 31 is a conductive silica gel product, and the conductive silica gel is a silica gel product with conductive performance, and the conductive performance is not the conductive performance of the silica gel itself, but is realized by embedding an external conductive substance in the silica gel.

[0054] Optionally, as shown in Figures 8-9 the string module further comprises a plurality of light emitting lamps 6 (which can be LED lamps) corresponding to the string plucking pieces 3, the light emitting lamps 6 are fixedly arranged on the circuit board 2 and electrically connected with the corresponding wiring points of the circuit board 2, the end, facing the circuit board 2, of the insulating fixed plate 321 of the string plucking piece 3 is provided with a recess 3211, and the light emitting lamp 6 is located in the recess 3211, and the structure design firstly avoids the interference between the string plucking piece 3 and the light emitting lamp 6, and secondly, the light emitting lamp 6 can make the string plucking piece 3 emit light when emitting light, and the appearance is beautiful.

[0055] In the embodiment, the string plucking piece 3 is a white translucent silica gel, and when the light emitting lamp 6 emits light, the light emitting effect can be improved due to the soft light characteristic of the silica gel.

[0056] In other embodiments, the light emitting lamp 6 adopts a back-sticking light emitting LED lamp, and a hole is dug in the circuit board 2, the back-sticking light emitting LED lamp is installed on the back of the circuit board 2, and the recess 3211 of the insulating fixed plate 321 is avoided.

[0057] Optionally, referring again to Figure 1 the mounting seat 1 comprises two support plates 11 arranged at intervals along the length direction of the string plucking piece 3, and the circuit board 2 is fixedly arranged on the two support plates 11.

[0058] The utility model embodiment further provides a digital guitar, including silica gel fingerboard and string module, operator left hand presses silica gel fingerboard and converts key signal into high pitch information of pronunciation, right hand plucks string plucking piece 3 of string module, and the deformation of sensor 4 is converted into volume size information of pronunciation.

[0059] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. String module, characterized in that, The utility model relates to a stringed instrument, including: Mounting seat (1); Circuit board (2) is fixedly arranged on mounting seat (1); Multiple string plucks (3) are fixedly arranged on circuit board (2) at intervals and are electrically connected with circuit board (2), and each string pluck (3) is provided with slit (323) extending along its length direction; Multiple sensors (4) are embedded in the slit (323) of multiple string plucks (3) one by one, the sensor (4) can produce the same deformation with string pluck (3), and each sensor (4) is electrically connected with circuit board (2).

2. The string module of claim 1, wherein, The string pluck (3) includes: Conductive part (31) one end is fixedly connected with circuit board (2) and is electrically connected with circuit board (2); Insulating part (32) is arranged between conductive part (31) and circuit board (2), and one end of insulating part (32) towards circuit board (2) is provided with slit (323), and one end of insulating part (32) away from circuit board (2) is fixedly connected with conductive part (31).

3. The string module of claim 2, wherein, It also includes multiple gland (5) corresponding to string pluck (3), the gland (5) is provided with limiting groove (51), the bottom of limiting groove (51) is provided with let -alone hole (52), the gland (5) is fixedly connected with circuit board (2), a part of conductive part (31) and a part of insulating part (32) are limited in limiting groove (51), and another part of conductive part (31) and another part of insulating part (32) are exposed outside through let -alone hole (52).

4. The string module of claim 3, wherein, The conductive part (31) includes conductive connecting part and conductive fixed plate (311), the conductive fixed plate (311) is fixedly connected to one end of the conductive connecting part, and the conductive fixed plate (311) is fixedly connected with the circuit board (2) and electrically connected with the circuit board (2); The insulating part (32) includes insulating connecting part (322) and insulating fixed plate (321) fixedly connected with each other, the insulating fixed plate (321) is arranged on the circuit board (2), and one end of the insulating connecting part (322) away from the insulating fixed plate (321) is fixedly connected with the conductive connecting part; The conductive fixed plate (311) and the insulating fixed plate (321) are limited in the limiting groove (51), and the conductive connecting part and the insulating connecting part (322) are exposed outside through the let -alone hole (52).

5. The string module of claim 4, wherein, The conductive connecting part includes vertical plate (312) and horizontal strip rod (313) connected with each other, the vertical plate (312) is located at one end of the horizontal strip rod (313) and is fixedly connected with the conductive fixed plate (311), and one end of the insulating connecting part (322) away from the insulating fixed plate (321) is fixedly connected with the horizontal strip rod (313).

6. The string module of claim 1, wherein, The string pluck (3) is an integral structure.

7. The string module of claim 2, wherein, The conductive part (31) is a conductive silica gel piece, and the insulating part (32) is an insulating silica gel piece.

8. The string module of claim 1, wherein, Also included are a plurality of light-emitting lamps (6) corresponding to the string plucks (3) one-to-one, the light-emitting lamps (6) being fixedly arranged on the circuit board (2) and electrically connected with the circuit board (2), one end of the string pluck (3) towards the circuit board (2) being provided with a make-way groove (3211), and the light-emitting lamp (6) being located in the make-way groove (3211).

9. The string module of claim 1, wherein, The sensor (4) is a pressure-sensitive film sensor, a piezoelectric film sensor or a deformation resistance sensor.

10. A digital guitar characterized by A string module as claimed in any one of claims 1 to 9.

Images