CN213691410U

CN213691410U - Ancient musical instrument bottom plate structure

Info

Publication number: CN213691410U
Application number: CN202021518892.1U
Authority: CN
Inventors: 张文涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-07-13
Anticipated expiration: 2030-07-28

Abstract

The utility model belongs to the technical field of the guqin, concretely relates to guqin bottom plate structure. A plurality of transverse grooves perpendicular to a longitudinal central line are formed in the bottom plate and are parallel to each other. The longitudinal hardness of the bottom plate is reduced by adding the plurality of transverse grooves on the bottom plate of the seven-stringed plucked instrument so as to adjust the natural frequency of the seven-stringed plucked instrument and improve the timbre of the seven-stringed plucked instrument.

Description

Ancient musical instrument bottom plate structure

Technical Field

The utility model belongs to the technical field of the guqin, concretely relates to guqin bottom plate structure.

Background

The ancient lyre, also known as yao qin, yu qin, sitong and qin, is a traditional Chinese musical instrument, and has a history of at least over three thousand and five hundred years. Ancient books record that Fuxi is used as a musical instrument, and legends such as Shennong's musical instrument, Huangdi's musical instrument, Tang Yao's musical instrument and the like are also used; shun Ding Qin is five strings, Wen Wang is added with one string, and Wu Wang Zhou is added with one string again to form seven strings; the source of the ancient lyre culture is long and the ancient lyre culture is profound. The seven-stringed plucked instrument, which is a gift and a musical law instrument, has 13 badges for marking the temperament, and belongs to the silks in the eight tones. The ancient lyre has wide range of sound, deep timbre and long lingering sound. Since ancient 'lyre' was the special designation, 20 th century was the ancient lyre distinguished from piano. The musical instruments have the saying of "Shiwu Shi does not withdraw the instrument and" Right book of the left musical instrument ". The musical position is the head of the Chinese traditional culture four-skill 'musical instrument chess painting' which is regarded as a representative of high elegance and is also an accompanying musical instrument when a person sings, and is always a necessary knowledge and a necessary subject for many cultural persons since ancient times. A great number of poems and characters are endowed with the body shadow of a musical instrument. Qi kang (musical instrument) cloud: among many instruments, qide is the most preferable. The musical instrument is not only a musical instrument, but also a mental life way which is realized by the self-maintenance of the instrument and the feeling of the rest of the instrument by the Yashi of the Wenren.

The guqin is characterized in that the main parts of the guqin are a panel and a bottom plate, the panel and the bottom plate form a resonance body sound vibration system of the guqin, and therefore, the structure and the material of the panel and the bottom plate are the factors which are of great importance for determining the tone quality of the guqin.

Disclosure of Invention

The invention aims to provide a seven-stringed plucked instrument seven-stringed plucked base plate structure aiming at the problems in the prior art, and the longitudinal hardness of the base plate is reduced by adding a plurality of transverse grooves on the seven-stringed plucked instrument seven-stringed plucked base plate, so that the natural frequency of the seven-stringed plucked instrument seven-stringed plucked base plate is adjusted, and the timbre of the seven-stringed plucked.

The technical scheme of the invention is as follows:

a plurality of transverse grooves perpendicular to a longitudinal central line are formed in the bottom plate and are parallel to each other.

Specifically, a plurality of longitudinal grooves are arranged perpendicular to the transverse grooves, and the transverse grooves and the longitudinal grooves form a grid shape.

Specifically, the transverse grooves are all long strips.

Specifically, the longitudinal grooves are all long strips.

The ancient lyre comprises panel and bottom plate two parts, and the panel is last, and wooden permeability is better for general fir or tung wood. The bottom plate is arranged below the base plate and is generally made of catalpa wood, so that the hardness is high and the support effect is mainly achieved. The finished product of the guqin is a long and narrow box-shaped structure, and the vibration mode of the first-order natural frequency of the finished product of the guqin is a longitudinal bend and vibrates like a shoulder pole. Best results are obtained if the first order natural frequency is close to the excitation frequency of bass one chord (65 Hz). Originally, people need to keep a solid part at the headstock and a solid part at the tail, and adjust the natural frequency of a longitudinal bend (similar to a carrying pole) by increasing the weight of two ends. However, the solid portions of the head and tail cannot respond to the high-frequency vibration. Therefore, solid parts of the head and the tail of the guqin are thinned to form high-frequency sound pools, so that high-frequency response is increased, but the structure with the high-frequency sound pools inevitably reduces the weight of two ends of the guqin, so that the natural frequency of a longitudinal bend (similar to a carrying pole) is influenced, and at the moment, a transverse groove perpendicular to the longitudinal center line of the guqin needs to be dug in a bottom plate, the longitudinal hardness of the bottom plate is reduced, and the natural frequency of the guqin is adjusted.

The seven-stringed plucked instrument bottom plate is vertical for wooden material makes, and wooden material's intensity characteristic is anisotropic, and timber is different, and fore-and-aft young modulus is horizontal several times inequality, and the bottom plate plays crucial effect in the aspect of adjusting the holistic several natural frequencies of seven-stringed plucked instrument, the utility model discloses some or horizontal parallel transverse groove or vertical groove and transverse groove form latticedly have been dug on the bottom plate for the vertical intensity of bottom plate takes place certain change, through the quantity that changes transverse groove, position and interval, thereby adjusts the vertical intensity of bottom plate, and the proportion of vertical and transverse intensity. Therefore, the vibration modes of several integral natural frequencies of the seven-stringed plucked instrument can be adjusted, and the tone quality of the seven-stringed plucked instrument can be improved.

Drawings

Fig. 1 is a schematic view of a structure of a seven-stringed plucked instrument bottom plate according to embodiment 1;

fig. 2 is a schematic structural view of a seven-stringed plucked instrument bottom plate according to embodiment 2.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings and embodiments.

Example 1

Fig. 1 is a schematic view of a bottom plate structure of a guqin according to this embodiment, in which a plurality of transverse grooves 1 perpendicular to a longitudinal center line are formed in the bottom plate, and the transverse grooves 1 are parallel to each other. The transverse grooves 1 are all long strips.

The bottom plate has smooth surface and monotonous sound reflection, and the transverse parallel transverse grooves can change the longitudinal strength of the bottom plate, and the longitudinal strength and the ratio of the longitudinal strength to the transverse strength of the bottom plate can be adjusted by changing the number, the position and the interval of the transverse grooves. Therefore, the vibration modes of several integral natural frequencies of the seven-stringed plucked instrument are adjusted, the tone of the seven-stringed plucked instrument is improved, and meanwhile, the strength of the bottom plate is not influenced. The Chinese seven-stringed plucked instrument is a three-component damage law, music is a sound arrangement with mathematical rules, and the transverse grooves regularly arranged on the bottom plate can bring better timbre and reduce the longitudinal hardness of the bottom plate, thereby adjusting the natural frequency of the seven-stringed plucked instrument. The utility model discloses think about exquisitely, combined the scientific theory and made very big improvement to the guqin, had very big breakthrough in traditional guqin trade, had guiding significance to the guqin in the development of present culture society.

Example 2

The difference from the embodiment is that the structure of the guqin bottom plate provided by the embodiment is as shown in fig. 2, a plurality of longitudinal grooves 2 are arranged on the bottom plate and are perpendicular to the transverse grooves 1, and the transverse grooves 1 and the longitudinal grooves 2 form a grid shape. The longitudinal grooves 2 are all long strips. The principle is the same as in the embodiment.

Because the ancient musical instrument preparation is that to dig by the manual work and establish, at the in-process of actual preparation ancient musical instrument, the shape structure of its transverse groove is probably not so regular, probably the edge can be less obvious, can carry out the tuning according to the experience to set for quantity, interval and the degree of depth of transverse groove or vertical groove, but its as long as form with the utility model discloses the scheme of same design is all within the protection scope.

Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims

1. The bottom plate structure of the guqin is characterized in that a plurality of transverse grooves (1) perpendicular to a longitudinal center line are formed in the bottom plate, the transverse grooves (1) are parallel to each other, a plurality of longitudinal grooves (2) are perpendicularly formed in the transverse grooves (1), and the transverse grooves (1) and the longitudinal grooves (2) form a grid shape.

2. The structure of a seven-stringed plucked instrument as in claim 1, wherein the transverse grooves (1) are all elongated.

3. The structure of a seven-stringed plucked instrument as claimed in claim 1, wherein the longitudinal grooves (2) are all elongated.