CN100472606C - Chord waist horse combining with series Qinhu Qianjin - Google Patents
Chord waist horse combining with series Qinhu Qianjin Download PDFInfo
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- CN100472606C CN100472606C CNB2008100573690A CN200810057369A CN100472606C CN 100472606 C CN100472606 C CN 100472606C CN B2008100573690 A CNB2008100573690 A CN B2008100573690A CN 200810057369 A CN200810057369 A CN 200810057369A CN 100472606 C CN100472606 C CN 100472606C
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Abstract
The invention relates to a bridge engaged with a Qianjin of series of Qinhu, which is characterizes in that the invention selects rosewood material to make into a rectangular pyramid cone with flattened shape, the top portion of the pyramid is equipped with two open slots which is used to support the strings, the bottom is equipped with a semi-circle hole with opening, the upper portion of which is equipped with string through holes, the length of edge of the left pyramid surface is bigger than that of the right one of the pyramid cone, the edge of the left pyramid surface is sloping edge, the edge of the right pyramid surface is straight edge, which are formed into non-equilateral right-angle pyramid surface. The product has the advantages and effects that the invention can make the fixed distance of the inner and outer strings and the stretching force of the strings when setting tone doesn't influence with each other, the vibration of the strings can be sufficiently conducted to the Qin body, the integral vibration of the Qin is strengthened, the bridge and the Qianjin form a reverse force to strengthen the stretching force of the strings.
Description
Technical field
The present invention relates to a kind of and the very heavy chord waist horse that cooperates of series Qinhu, belong to the bowed instrument field of components.
Background technology
The Qin is the novel bowed instrument of being reformed on traditional urheen type system recklessly.Per four of series Qinhu is one group, name high Hu respectively into the Qin, Qin's urheen, Hu and the Da Hu of the Qin in the Qin, with corresponding high pitch, alto, middle pitch and bass part, range is contained three octaves, chord waist horse is the parts relevant with sounding of the Hu Duyou of the Qin, is used to regulate the tension force and the elasticity of string, with very heavy formation retroaction, string tension force is strengthened, even with the string conduct vibrations to the qin bar, make scroll head vibration, existing urheen has very heavy, also have and be called the waist horse very heavy, but the string chord waist horse that does not have above-mentioned functions, very heavy instability can be run string, inside and outside string does not have fixing distance, the tension force of string just interacts when interior exterior string accordatura, and easy-regulating does not make vibrations of strings can not be transmitted to body fully, the integral body of qin resonates to such an extent that be affected, and therefore makes playing effect be subjected to influence.
Summary of the invention
Purpose of the present invention provides a kind of just in order to solve problems of the prior art makes inside and outside string that fixing distance be arranged, the tension force of string is independent of each other during interior exterior string accordatura and the series Qinhu chord waist horse, thereby the tension force that makes string obtains increasing, vibrations of strings is transmitted to body fully, has improved whole resonance effect.
The objective of the invention is to realize by following technical proposal:
A kind of and the very heavy chord waist horse that cooperates of series Qinhu, it selects a flat rectangular pyramid of narra material stage body for use, the front and back frustum face of cone table is an equilateral triangle, cone top part has two opening string grooves 1 that support string,, there is the open semi circular hole 4 that matches with the qin bar at the awl end, there is the fixedly silk thread perforation 3 of qin bar open semi circular hole top, the length of side of cone table inner cone table top 2 is greater than the length of side of back frustum face, and inner cone table-board to right or left both sides are hypotenuse, back frustum face the right and left is a vertical edges, and this cone table left and right sides face is the inequilateral right-angle triangle.
Described addendum cone is wide to be 5～5.5mm, and addendum cone is thick to be 1.5～1.8mm,
Described two opening string slot pitches that support string are from being 2.0～2.5mm.
Chord waist horse of the present invention is fixed in very heavy bottom on the qin bar with silk thread, inside and outside string frame is on two string grooves, selecting narra for use is that a kind of speed of growth is slow, 5 years ability one annual rings take the rare tree that just can become a useful person more than 800 years, and its wooden hard texture is careful, great majority slightly are not full of to be held, knot Qu Buzhi, maximum narra diameter only is about 20 centimeters, almost not see the annual ring line.The vascular line is superfine, is hank knotting shape such as ox hair.Selecting for use narra to make the series Qinhu chord waist horse through practice is best material, it is hard indeformable, the sound conducting effect is good, two opening string slot pitches that support string are from being 2.0～2.5mm, can make fixed distance between the inside and outside string, inside and outside string accordatura is independent of each other, and guarantees not fall sound, does not need frequent tuning in the playing procedure.
Chord waist horse of the present invention by national measurement standard, has been measured chord waist horse to tone quality improving, the waist horse comparing result to the effect of the tension force that keeps string through Acoustical Inst., Chinese Academy of Sciences:
Having measured chord waist horse to tone quality improving, mainly is tension force and the elasticity that influences string according to chord waist horse.When mixing up string, survey earlier frequency spectrum and normalization when drawing a single-tone, again after pulling the bow strongly, survey frequency spectrum and normalization when drawing same sound again, must find out through the sound variation after drawing strongly than two normalization frequency spectrums.To the waist horse being arranged and not having the same of waist horse that qin is measured, reflect the effect of waist horse respectively.Repeat to survey more than 3 times, contrast with mean value.To get rid of artificial factor, the measurement chord waist horse does not all have chord waist horse to the effect of the tension force of maintenance string according to urheen, jinghu and bowed stringed instrument with a thin wooden soundboard, when having caused tuning, occur transferring a string can influence the problem of another root string, and in playing procedure, loose string phenomenon can occur.Qin's chord waist horse recklessly has the ability that overcomes these two shortcomings.
Test result:
Chord waist horse can increase harmonics quantity and amplitude
Chord waist horse can improve the overtone level, increases the quantity of high frequency harmonics line spectrum.After using chord waist horse, the amplitude of harmonics ratio exceeds 3-10dB when not using chord waist horse.And can increase the quantity of high frequency harmonics line spectrum to some sound, illustrate and use the waist Marko to improve the overtone level, and make overtone abundant.
To empty-chord sound in Qin's urheen, behind the use chord waist horse, the amplitude of harmonics exceeds 3-10dB.
Internal string sound d2, the amplitude of harmonics exceeds 3-10dB.Internal string sound g1, the amplitude of harmonics exceeds 10-20dB, and high frequency harmonics line spectrum number increases.
External empty-chord sound, behind the use chord waist horse, the amplitude of harmonics exceeds 10-20dB, and high frequency harmonics line spectrum number increases.To exterior string sound a2, the amplitude of harmonics exceeds 3-50dB.
To exterior string sound d2, harmonics line spectrum number increases, and the amplitude of harmonics exceeds 3-50dB.
Chord waist horse improves accuracy in pitch stability and increases overtone
The accuracy in pitch of Qin's urheen stability was high when chord waist horse was arranged.Empty-chord sound in Qin's urheen when chord waist horse is arranged, play 20 minutes continuously after, the amplitude of minority harmonics has reduced 5dB-10dB, and the amplitude of the main line spectrums of the overwhelming majority does not change.Same externally empty-chord sound have only the amplitude of only a few harmonics to reduce 2dB-10dB, and the amplitude of the main line spectrum of the overwhelming majority does not change.
The accuracy in pitch less stable of Qin's urheen during no chord waist horse.Empty-chord sound in Qin's urheen during to no chord waist horse is played 20 minutes front and back continuously and is compared, and the line spectrum amplitude of drummy speech has reduced 3dB-5dB, and high frequency harmonics amplitude has reduced 10dB-20dB, and has a lot of high band harmonics line spectrums to disappear.Same externally empty-chord sound, pitch frequency has reduced 22Hz, and a part of high band harmonics line spectrum has disappeared, and tone and high harmonics line spectrum amplitude have all reduced 3dB-5dB, and the overtone that becomes is not abundant, helps keeping the overtone that enriches and keeps stable tone so the waist horse is described.
Because take technique scheme to make the technology of the present invention exterior string has had in compared with the prior art this product can make fixed range, the tension force of string is independent of each other during interior exterior string accordatura, vibrations of strings can be transmitted to body fully, the integral body resonance of qin is enhanced, chord waist horse and the reverse strength of very heavy formation are enhanced the tension force of string.
Description of drawings
Fig. 1 is the synoptic diagram of chord waist horse of the present invention
Fig. 2 is the side view of Fig. 1
Embodiment
With the very heavy chord waist horse that cooperates of series Qinhu, by Fig. 1, shown in 2, it selects a flat rectangular pyramid of narra material stage body for use, the front and back frustum face of cone table is an equilateral triangle, cone top part has two opening string grooves 1 that support string, addendum cone is wide to be 5～5.5mm, addendum cone is thick to be 1.5～1.8mm, two opening string slot pitches that support string are from being 2.0～2.5mm, the fixed range that in can making there has been exterior string, the tension force of string is independent of each other during interior exterior string accordatura, and the tension force of string is independent of each other during interior exterior string accordatura, thereby makes the tension force of string obtain increasing,, there is the open semi circular hole 4 that matches with the qin bar at the awl end, there is the fixedly silk thread perforation 3 of qin bar open semi circular hole top, by the silk thread perforation chord waist horse is fixed on the qin bar, and the open semi circular hole that matches with the qin bar cooperates with the qin bar, the length of side of cone table inner cone table top 2 is greater than the length of side of back frustum face, and inner cone table-board to right or left both sides are hypotenuse, and back frustum face the right and left is a vertical edges, and this cone table left and right sides face is the inequilateral right-angle triangle.The open semi circular hole that matches with the qin bar cooperates the string conduct vibrations to the qin bar with the qin bar.
Series Qinhu chord waist horse specification:
The Qin recklessly the thick opening string of the wide addendum cone of title addendum cone slot pitch from
The high 5mm 1.5mm recklessly 2mm of the Qin
The urheen 5mm 1.5mm 2mm of the Qin
Hu 5.5mm 1.8mm 2.5mm in the Qin
The Da Hu 5.5mm 1.8mm 2.5mm of the Qin
Claims (3)
1, a kind of and the very heavy chord waist horse that cooperates of series Qinhu, it is characterized in that it selects a flat rectangular pyramid of narra material stage body for use, the front and back frustum face of cone table is an equilateral triangle, cone top part has two opening string grooves (1) that support string,, there is the open semi circular hole (4) that matches with the qin bar at the awl end, there is the fixedly silk thread perforation (3) of qin bar open semi circular hole top, the length of side of cone table inner cone table top (2) is greater than the length of side of back frustum face, and inner cone table-board to right or left both sides are hypotenuse, back frustum face the right and left is a vertical edges, and this cone table left and right sides face is the inequilateral right-angle triangle.
2, according to claim 1 and the very heavy chord waist horse that cooperates of series Qinhu is characterized in that the wide 5～5.5mm of being of described addendum cone, and addendum cone is thick to be 1.5～1.8mm.
3, according to claim 1 and the very heavy chord waist horse that cooperates of series Qinhu is characterized in that described two opening string slot pitches that support strings are from being 2.0～2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100573690A CN100472606C (en) | 2008-02-01 | 2008-02-01 | Chord waist horse combining with series Qinhu Qianjin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100573690A CN100472606C (en) | 2008-02-01 | 2008-02-01 | Chord waist horse combining with series Qinhu Qianjin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101226735A CN101226735A (en) | 2008-07-23 |
| CN100472606C true CN100472606C (en) | 2009-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008100573690A Expired - Fee Related CN100472606C (en) | 2008-02-01 | 2008-02-01 | Chord waist horse combining with series Qinhu Qianjin |
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| Country | Link |
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| CN (1) | CN100472606C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2466293A (en) * | 2008-12-19 | 2010-06-23 | Kui Hsiung Li | Pressure Nut for a musical instrument with strings and flexible binding nut |
| CN103035227A (en) * | 2012-12-25 | 2013-04-10 | 张燕 | Huqin with wide compass and capable of playing harmonic interval |
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2008
- 2008-02-01 CN CNB2008100573690A patent/CN100472606C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101226735A (en) | 2008-07-23 |
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Granted publication date: 20090325 Termination date: 20110201 |