CN111462712A - Sound board with latticed shell structure and stringed instrument with same - Google Patents
Sound board with latticed shell structure and stringed instrument with same Download PDFInfo
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- CN111462712A CN111462712A CN202010442436.1A CN202010442436A CN111462712A CN 111462712 A CN111462712 A CN 111462712A CN 202010442436 A CN202010442436 A CN 202010442436A CN 111462712 A CN111462712 A CN 111462712A
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- 239000002023 wood Substances 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 15
- 239000002356 single layer Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000003292 glue Substances 0.000 description 4
- 241000283690 Bos taurus Species 0.000 description 2
- 241000218657 Picea Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000003850 cellular structure Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
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Abstract
The invention discloses a sound board with a latticed shell structure and a stringed instrument with the sound board, belongs to the field of musical instruments, and solves the defects that the vibration of the sound board is limited, the self vibration performance cannot be fully exerted and the due acoustic quality of the sound board in the traditional technology is achieved. The sound board comprises a panel, a sound beam with a latticed shell structure and side plates, wherein the panel, the sound beam with the latticed shell structure and the side plates form the soundboard with the latticed shell structure. The structure of the soundboard is designed according to different musical instrument types and musical instrument characteristics respectively, and the manufacturing method is characterized in that a whole block of wood board or a whole block of wood board formed by splicing is integrally manufactured. The back board of the musical instrument with the resonance box is manufactured in the same way as the panel, and the difference is only that the back board bears smaller force and the sound beam has smaller size. Instruments without resonance boxes like pianos and the like are only soundboards. The invention reduces the constraint of the sound beam to the panel, so that the soundboard can obtain more sufficient vibration, and the sound effect and the acoustic quality of the musical instrument are effectively improved. The process is complex, the manufacturing difficulty is high, and the precision is required.
Description
Technical Field
The invention relates to stringed instruments in musical instruments, in particular to a latticed shell structure sound board and a stringed instrument with the latticed shell structure sound board.
Background
String instruments are an important component of the musical instrument family, and have evolved over thousands of years to form today's rich and varied landscape. The sounding principle is that the strings vibrate through actions of dialing, rubbing, hitting and the like, the vibration energy is transferred to the soundboard through the code bridge, and the soundboard (or the resonator) amplifies and emits the sound generated by the string vibration to generate beautiful music. The musical instrument can be understood as a machine for making musical tones, but two musical instruments made of the same size, the same tree or even the same wood board have certain difference in sound, and cannot be considered as a machine, which is perhaps the charm of musical instrument making. The production of the instrument is believed to be primarily spread around two lines and is accompanied all the way through by the end of the life of the instrument. One is that the effective utilization of energy, especially plucked string instruments, is limited by finger strength, the energy produced is small, and if the energy cannot be effectively utilized, the instrument cannot be called a qualified instrument; the other is balance of forces, different stringed instruments can generate pulling force of dozens of cattle to nearly twenty thousand cattle, the huge pulling force is a severe test for the instruments, and if the structures of the instruments are unreasonable, once the glue is aged, the favorite instruments can be instantly ashed and smoked. The production of a musical instrument can be understood as a game of energy and force.
The present invention relates to a sound board which is a main component of musical instrument, and is characterized by that it possesses the right of good and bad speech of musical instrument, and is formed from face plate (generally spruce thin plate) and sound beam integrally made on the face plate. The principle of vibration teaches that a material with high stiffness, light weight and good flexibility is an ideal material for the soundboard, but the natural law teaches that high stiffness leads to high density and heavy weight, so that only an optimal solution between spears and shields can be found. In order to obtain sufficient vibration and improve the utilization rate of energy, the prior art is to thin the panel, but the panel is too thin and cannot resist the tension of the strings, so the strength of the sound board is enhanced by adding the beam columns to achieve the balance of force, such as the beam in a guitar, the column in a violin, the celestial column and the ground column in a guqin and the like, and the devices effectively resist the tension of the strings but limit the free vibration of the sound board. If a column is supported in the guitar, the sound will become muffled and the plucking force of the fingers will not drive the effective vibration of the soundboard.
Disclosure of Invention
In order to overcome the influence of additional devices (a sound beam, a sound column and the like) of a sound board in the existing musical instrument manufacturing on the vibration of the panel, the invention provides a sound board with a latticed shell structure and a stringed instrument with the sound board with the latticed shell structure.
Furthermore, the sound board with the latticed shell structure comprises a sound board main body and a latticed shell structure sound beam, wherein the sound board main body and the latticed shell structure sound beam are integrally made of a whole wood board or a whole wood board formed by splicing, the latticed shell structure sound beam is of a space rod system structure like a flat plate net frame, and the latticed shell structure sound beam consists of a latticed shell structure part and a sound beam structure part;
Furthermore, the latticed shell structure of the latticed shell structure sound beam is a three-way latticed shell structure, the three-way latticed shell structure comprises a first sound beam, a second sound beam and a third sound beam, the first sound beam and the third sound beam are circumferentially and symmetrically arranged around the first sound beam, and the first sound beam, the second sound beam and the third sound beam are intersected at a three-way node;
Furthermore, the latticed shell structure of the sound beam of the latticed shell structure is a two-way latticed shell structure, the two-way latticed shell structure comprises a fourth sound beam and a fifth sound beam, and the fourth sound beam and the fifth sound beam are intersected at two-way nodes;
Furthermore, the latticed shell structure of the sound beam of the latticed shell structure consists of a two-way latticed shell structure and a three-way latticed shell structure;
Furthermore, the sound beam structure of the sound beam of the latticed shell structure comprises a single-layer sound beam and a double-layer sound beam, the single-layer sound beam is formed by a layer of sound beam, the double-layer sound beam comprises an upper string sound beam, a lower string sound beam and a vertical sound beam, the upper string sound beam and the lower string sound beam are arranged in parallel, and the vertical sound beam is simultaneously and vertically connected with the upper string sound beam and the lower string sound beam;
Furthermore, the soundboard main body comprises a panel and side plates, the vertical sound beams are perpendicular to the panel, the side plates are connected to the periphery of the panel and form a semi-closed space together with the panel, and the sound beams with the latticed shell structures are arranged in the semi-closed space;
Furthermore, the whole wood board is a naturally formed wood board or a wood board formed by splicing and fixing a plurality of wood boards;
Furthermore, the division of the latticed shell structure units of the latticed shell structure sound beam, the size of the sound beam and the thickness of the panel are determined by the characteristics of the musical instrument and the characteristics of the used materials;
Furthermore, a hollow part between the upper string sound beam and the lower string sound beam is processed by a drilling method so as to reduce the manufacturing difficulty;
Further, a stringed musical instrument having a latticed structural soundboard, which, when designed, determines the latticed structural type and the beam structural type of the latticed structure in the characteristics of the instrument itself, including but not limited to guitars, violins, and guqins.
The invention has the beneficial effects that: through using monoblock plank preparation with panel, sound roof beam and curb plate, reduce the constraint of sound roof beam to the panel, the glue use amount of monoblock soundboard is very few, makes more abundant of soundboard vibration, makes the structural strength of musical instrument obtain reinforcing, pronunciation quality obtain promoting, and life obtains improving.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a single-layer three-dimensional type net-shell structure soundboard as an example of a Zhongrane, which is provided in example 1 of the present invention;
Fig. 2 is a schematic diagram of a two-layer three-way type grid-structured soundboard, which is provided by an konghou as an example, according to embodiment 1 of the present invention;
In the figure: 1000-soundboard, 0100-panel, 0200-sound beam, 0210-upper chord sound beam, 0220-lower chord sound beam, 0230-vertical sound beam, 0300-side plate, 0400-three-way junction, 0500-two-way junction, 0600-sound hole.
Detailed Description
To facilitate an understanding of the invention, the latticed shell structural soundboard will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiment of the middle stringed instrument and the konghou is shown in the attached drawings. However, the cellular structure soundboard may be realized in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the cellular structure soundboard is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention provides a sound board with a latticed shell structure and a stringed instrument with the sound board, wherein the sound board comprises a sound board main body and a latticed shell structure sound beam, the sound board main body and the latticed shell structure sound beam are integrally made of a whole wood board, the latticed shell structure sound beam is of a spatial rod system structure like a flat plate latticed frame,
The latticed shell structure of latticed shell structure sound beam is three-dimensional type latticed shell structure or two-way type latticed shell structure, three-dimensional type latticed shell structure includes first sound beam, second sound beam and third sound beam, first sound beam and third sound beam are around the symmetry setting of first sound beam, and first sound beam, second sound beam and third sound beam intersect in the three-dimensional node, two-way type latticed shell structure includes fourth sound beam and fifth sound beam, fourth sound beam and fifth sound beam intersect in two-way node. Through the combination of different three-way type net shell structures or two-way type net shell structures, all positions of the soundboard can be completely covered with the net shell mechanism. The two-way node and the three-way node are a cross point of the sound beam, and the supporting force is stronger due to more materials. The sound beam structure of the sound beam with the latticed shell structure comprises a single-layer structure sound beam and a double-layer structure sound beam, musical instruments with few strings and small tension, such as a guqin, a zhongruan, a violin and the like, adopt single-layer latticed shell structures, and musical instruments with strings and large tension, such as a piano, a harp, an konghou and the like, adopt double-layer latticed shell structures. The single-layer structure sound beam is composed of a layer of sound beam, the double-layer structure sound beam comprises an upper string sound beam, a lower string sound beam and a vertical sound beam, the upper string sound beam and the lower string sound beam are arranged in parallel, and the vertical sound beam is simultaneously vertically connected with the upper string sound beam and the lower string sound beam.
The soundboard main body comprises a panel and side plates, wherein the vertical sound beam is perpendicular to the panel, the side plates are connected to the periphery of the panel and jointly form a semi-closed space with the panel, the latticed shell structure sound beam is arranged in the semi-closed space, two ends of the latticed shell structure sound beam are connected to the side plates, sound holes are further formed in the panel, the whole wood plate is a natural wood plate or a wood plate formed by splicing and fixing multiple wood plates, the latticed shell structure units of the latticed shell structure sound beam are divided, the size of the sound beam and the thickness of the panel plate are determined by the characteristics of a musical instrument and the characteristics of used materials, and the hollowed-out part between the upper string sound beam and the lower string sound beam can be processed through a drilling method so as to reduce the manufacturing.
A stringed musical instrument having a latticed structural soundboard, the latticed structural type and the tone beam structural type of which are determined by the characteristics of the instrument itself when designing the latticed structural soundboard, including but not limited to guitars, violins and guqins.
According to the sound board with the latticed shell structure and the stringed instrument with the sound board with the latticed shell structure, the panel can vibrate more fully and freely, and tension generated by strings can be completely resisted, so that the sound effect of the stringed instrument is greatly improved.
The latticed shell structure is a space rod system structure similar to a flat net rack in construction, is a space frame which is based on rod pieces, is formed into grids according to a certain rule and is arranged according to a shell structure, and has the properties of a rod system and a shell. On the basis, according to the characteristics of wood, through a large number of calculations and experiments, the connection mode of the rod system and the shell is changed, and the latticed shell structure is applied to the manufacture of the sound board of the musical instrument. In the case of a guitar, the popular understanding is that the bar system is a sound beam adhered to a face plate, and the shell is the face plate (generally a spruce thin plate). According to the actual situation of the musical instrument sound board, the sound board is manufactured by adopting a three-way type reticulated shell structure with better mechanical property in the reticulated shell structure, and other types of reticulated shell structures can be used. The rod piece is defined as a sound beam, the shell is defined as a panel, the intersection points of three sound beams are defined as three-way nodes, and the intersection points of two sound beams are defined as two-way nodes. For the double-layer reticulated shell structure, the upper sound beam is defined as an upper chord sound beam, the lower sound beam is defined as a lower chord sound beam, and the middle support beam of the upper chord sound beam and the lower chord sound beam is defined as a vertical sound beam.
the arrangement principle of the sound beams on the panel is that firstly, musical instruments with few strings and small tension force, such as a Guqin, a Zhongruan and a violin, and the like, adopt a single-layer latticed shell structure, musical instruments with more strings and large tension force, such as a piano, a harp and an Konghou, adopt a double-layer latticed shell structure, ②, three-way nodes and two-way nodes are arranged in a sound board stress concentration area as much as possible, thirdly, the size of the latticed shell unit, the size of the sound beams is designed according to the characteristics of the musical instruments and by adopting an optimal scheme after finite element analysis, for example, the Ruan acoustic board in FIG. 1 adopts a single.
The invention discloses a three-way latticed shell structure sound board, which is manufactured by integrally manufacturing a panel and a sound beam by using a whole board with a certain thickness or a whole board formed by splicing the whole board and the sound beam, wherein the sound beam is of a single-layer structure or a double-layer structure.
The manufacturing method of the invention is characterized in that the sound beam is integrally manufactured by adopting a whole wood board or a spliced whole wood board, and the thickness of the used wood board is determined by the thicknesses of the panel and the sound beam. There are two types of sound beam structures: the musical instrument with few strings and small tension adopts a single-layer three-way latticed shell structure (such as a Raney soundboard in figure 1); the musical instrument with more strings and larger tension adopts a double-layer latticed shell structure to design so as to enhance the mechanical stability of the soundboard (for example, an konghou soundboard in figure 2). The back board of the musical instrument with the resonance box is manufactured in the same way as the panel, and the difference is only that the back board bears smaller force and the sound beam has smaller size. Instruments without resonance boxes like pianos and the like are only soundboards.
Example 1
Referring to fig. 1 and fig. 2, taking an konghou in a guqin as an example, the soundboard 1000 with a mesh-shell structure includes a panel 0100, a sound beam 0200 and a side plate 0300, wherein:
The single-layer sound beam sound board is composed of a layer of sound beams, the double-layer sound beam sound board is composed of two layers of sound beams, namely an upper chord sound beam 0210 and a lower chord sound beam 0220, and vertical sound beams 0230 are reserved between the longer upper chord sound beam and the longer lower chord sound beam at certain intervals.
Specifically, the panel 0100, the sound beam 0200 and the side plate 0300 are integrally formed by removing materials from the same base material without being bonded by glue. The stress distribution of the connecting parts of the three parts is uniform and continuous, and the problem of stress concentration caused by bonding by using glue in the traditional manufacturing process can be avoided. The connection between the sound beam 0200 and the inner wall surfaces of the panel and the side plates is smooth and natural in transition, and sharp parts are avoided.
Under the structure, the thickness of the panel 0100 can be greatly reduced, the maximum position can be less than 3mm, the problem of stress concentration of the bonding structure is avoided, and the integrally formed three-dimensional sound beam 0200 is beneficial to exerting better mechanical property, so that the panel 0100 has good structural strength. The panel 0100 has good sensitivity and frequency response, and the sound conduction between the integrally formed panel 0100 and the sound beam 0200 is rapid and natural, so as to further enhance the sensitivity and frequency response range of the musical instrument.
For a musical instrument with a resonance box, the structural design of the back plate is the same as that of the face plate, and the difference is only that the height and the width of the sound beam are smaller. Specifically, the back plate and the sound beam are also integrally formed by removing materials from the same base material.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a latticed shell structure soundboard, its characterized in that, the soundboard includes soundboard main part and latticed shell structure sound beam, soundboard main part and latticed shell structure sound beam are made by monoblock plank an organic whole, latticed shell structure sound beam is the space rod system structure of flat slab latticed frame class, latticed shell structure sound beam comprises latticed shell structure part and sound beam structure part.
2. The soundboard according to claim 1, wherein the latticed shell structure portion of the latticed shell structure sound beam is comprised of a two-way latticed shell structure and/or a three-way latticed shell structure.
3. The soundboard according to claim 2, wherein the three-way type mesh structure comprises a first, a second and a third sound beam, said first and third sound beams being arranged axisymmetrically with respect to the first sound beam, the first, second and third sound beams intersecting at a three-way junction.
4. The soundboard according to claim 2, wherein the two-way latticework structure comprises a fourth sound beam and a fifth sound beam, the fourth and fifth sound beams intersecting at a two-way junction.
5. The tone plate according to claim 1, wherein the tone beam structure portion of said lattice-structured tone beam is composed of a single-layer-structured tone beam and/or a double-layer-structured tone beam.
6. The soundboard according to claim 5, wherein the single-layered structure soundbeam is constituted by one layer of soundbeam.
7. The tone plate according to claim 5, wherein said double-deck structure tone beam comprises an upper-string tone beam, a lower-string tone beam and a vertical tone beam, said upper-string tone beam and said lower-string tone beam being disposed in parallel, said vertical tone beam vertically connecting both said upper-string tone beam and said lower-string tone beam.
8. The soundboard according to claim 7, wherein the soundboard main body comprises a face plate and side plates, the vertical sound beams are perpendicular to the face plate, the side plates are connected to the periphery side of the face plate and form a semi-enclosed space together with the face plate, and the sound beams of the latticed shell structure are arranged in the semi-enclosed space.
9. The soundboard according to claim 1, wherein the one-piece wood board is a naturally formed one or a plurality of wood boards spliced and fixed together.
10. A stringed musical instrument having a latticed structural soundboard comprising the soundboard according to any of the preceding claims 1-9, characterised in that the stringed musical instrument, when it is designed with a latticed structural soundboard, defines the latticed structural parts and the tone beam structural parts of the latticed structure with the characteristics of the instrument itself, including but not limited to guitars, violins and guqins.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010442436.1A CN111462712A (en) | 2020-05-22 | 2020-05-22 | Sound board with latticed shell structure and stringed instrument with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010442436.1A CN111462712A (en) | 2020-05-22 | 2020-05-22 | Sound board with latticed shell structure and stringed instrument with same |
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|---|---|---|---|---|
| CN2080696U (en) * | 1990-11-26 | 1991-07-10 | 李贵斌 | High-volume guitar |
| US6627803B1 (en) * | 2002-09-30 | 2003-09-30 | Gene Stephens | Musical instrument brace |
| CN201556408U (en) * | 2009-12-22 | 2010-08-18 | 黄林潜 | Mesh-shaped composite sound board |
| CN106710575A (en) * | 2017-02-27 | 2017-05-24 | 马利斌 | Guitar resonant tank and guitar |
| CN106782434A (en) * | 2017-02-27 | 2017-05-31 | 马利斌 | Matouqin resonant tank and matouqin |
| CN107784995A (en) * | 2017-12-07 | 2018-03-09 | 广州市拿火信息科技有限公司 | Hollow neck and guitar |
| CN209045146U (en) * | 2018-09-20 | 2019-06-28 | 广州市拿火信息科技有限公司 | Novel guitar panel construction |
| CN209822262U (en) * | 2018-11-28 | 2019-12-20 | 深圳视感文化科技有限公司 | Neck structure and guitar |
| CN210271744U (en) * | 2019-05-31 | 2020-04-07 | 满益乾 | Plucked instrument and sound beam |
| CN213400502U (en) * | 2020-05-22 | 2021-06-08 | 马骉 | Sound board with latticed shell structure and stringed instrument with same |
-
2020
- 2020-05-22 CN CN202010442436.1A patent/CN111462712A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080696U (en) * | 1990-11-26 | 1991-07-10 | 李贵斌 | High-volume guitar |
| US6627803B1 (en) * | 2002-09-30 | 2003-09-30 | Gene Stephens | Musical instrument brace |
| CN201556408U (en) * | 2009-12-22 | 2010-08-18 | 黄林潜 | Mesh-shaped composite sound board |
| CN106710575A (en) * | 2017-02-27 | 2017-05-24 | 马利斌 | Guitar resonant tank and guitar |
| CN106782434A (en) * | 2017-02-27 | 2017-05-31 | 马利斌 | Matouqin resonant tank and matouqin |
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| CN209045146U (en) * | 2018-09-20 | 2019-06-28 | 广州市拿火信息科技有限公司 | Novel guitar panel construction |
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| CN210271744U (en) * | 2019-05-31 | 2020-04-07 | 满益乾 | Plucked instrument and sound beam |
| CN213400502U (en) * | 2020-05-22 | 2021-06-08 | 马骉 | Sound board with latticed shell structure and stringed instrument with same |
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