CN109443513B - Violin bridge vibration detection system - Google Patents
Violin bridge vibration detection system Download PDFInfo
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- CN109443513B CN109443513B CN201811212803.8A CN201811212803A CN109443513B CN 109443513 B CN109443513 B CN 109443513B CN 201811212803 A CN201811212803 A CN 201811212803A CN 109443513 B CN109443513 B CN 109443513B
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- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
Abstract
The invention discloses a violin bridge vibration detection system, relates to the technical field of musical instruments, and solves the problems that judgment errors are easy to occur, time consumption is long, and working efficiency is low when the bridge quality is judged manually, and the technical scheme is characterized in that: the vibration detection device comprises a first vibration sensor, a second vibration sensor, a third vibration sensor, a storage unit, a first processing unit, a second processing unit, a third processing unit and a detection statistical unit; the first vibration sensor is connected with the first processing unit and the third processing unit; the second vibration sensor is connected with the first processing unit and the second processing unit; the third vibration sensor is connected with the second processing unit and the third processing unit; the detection statistical unit and the storage unit are connected with the first processing unit, the second processing unit and the third processing unit, so that the quality of the bridge can be quickly and accurately detected, the condition of error detection and judgment of the quality of the bridge can be reduced, and the working efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of musical instruments, in particular to a violin code vibration detection system.
Background
Violins are widely spread in all countries of the world and are the most prominent musical instruments in the string group of modern orchestra. It is a very important place in instrumental music, is a pillar of modern symphony bands, is also a solo musical instrument with high difficulty playing skills, and is also called three major instruments in the world together with a piano and a classical guitar.
The bridge is a part that has the greatest influence on sound quality, other than the body main body, and is the throat of a violin, also called the heart of a violin. The vibrations of the strings are transmitted to the board and even the entire cabinet through the bridge, which is considered to be the primary channel for transmitting the vibrations. Its small variations may cause significant changes in sound, which is very sensitive. As a bridge for transferring from a sound source to a sound box, the mission of the bridge is not only responsible for erecting four strings and conducting sound, but also determines the resonance degree and effect of the sound box, and further directly influences whether the volume of the violin is loud, whether the tone quality is pure, whether the sound effect is balanced and whether the tone color is beautiful. The material, shape, height, thickness, polishing, placement and the like of the bridge have great influence on the tone quality of the piano. Therefore, the quality detection of the bridge is very important.
At present, generally, the quality detection of the bridge is judged through hearing and vision, and the condition of error judgment of the quality detection of the bridge is easy to occur; in addition, the detection through manual work consumes a long time, and the working efficiency is low. Therefore, how to rapidly and accurately detect the quality of the bridge is a problem which needs to be solved urgently at present.
Disclosure of Invention
The invention aims to provide a violin code vibration detection system which has the effects of quickly and accurately detecting the quality of a code, reducing the occurrence of errors in quality detection and judgment of the code and improving the working efficiency.
The technical purpose of the invention is realized by the following technical scheme: a violin code vibration detection system comprises a first vibration sensor, a second vibration sensor, a third vibration sensor, a storage unit, a first processing unit, a second processing unit, a third processing unit and a detection statistical unit;
the first vibration sensor is connected with the first processing unit and the third processing unit and used for detecting string vibration parameters of strings and transmitting the string vibration parameters to the first processing unit and the third processing unit;
the second vibration sensor is connected with the first processing unit and the second processing unit and used for detecting code vibration parameters of the piano code and transmitting the code vibration parameters to the first processing unit and the second processing unit;
the third vibration sensor is connected with the second processing unit and the third processing unit and used for detecting the board vibration parameters of the piano board and transmitting the board vibration parameters to the second processing unit and the third processing unit;
the storage unit stores a first standard conductivity between the strings and the bridge, a second standard conductivity between the bridge and the bridge, and a third standard conductivity between the strings and the bridge;
the first processing unit is connected with the storage unit and used for calculating first real-time conductivity between the strings and the bridge according to the string vibration parameters and the bridge vibration parameters and judging whether the first real-time conductivity is matched with the first standard conductivity or not; if the judgment result is yes, the first conductivity detection is qualified; if not, the first conductivity detection is unqualified;
the second processing unit is connected with the storage unit and used for calculating a second real-time conductivity between the piano code and the piano plate according to the code vibration parameter and the plate vibration parameter and judging whether the second real-time conductivity is matched with the second standard conductivity or not; if the conductivity is judged to be qualified, the second conductivity is detected to be qualified; if not, the second conductivity detection is unqualified;
the third processing unit is connected with the storage unit and used for calculating a third real-time conductivity between the strings and the piano plate according to the string vibration parameters and the plate vibration parameters and judging whether the third real-time conductivity is matched with the third standard conductivity or not; if the conductivity is judged to be yes, the third conductivity is detected to be qualified; if not, the third conductivity detection is unqualified;
the detection statistical unit is connected with the first processing unit, the second processing unit and the third processing unit and is used for counting and processing detection results of the first conductivity, the second conductivity and the third conductivity; and when one of the first conductivity, the second conductivity and the third conductivity is unqualified, the bridge vibration is detected as unqualified.
Through adopting above-mentioned technical scheme, be convenient for quick accurate detection bridge quality, reduce bridge quality detection and judge the condition emergence of error, improved the work efficiency that bridge vibrations detected.
The invention is further configured to: the detection statistical unit is connected with a warning unit, and the warning unit comprises a first warning lamp, a second warning lamp, a third warning lamp and a fourth warning lamp;
when the first conductivity detection is carried out, the first warning lamp flickers after being started; when the first conductivity detection is qualified, the first warning lamp is normally on; when the first conductivity detection is unqualified, the first warning lamp is turned off;
when the second conductivity is detected, the second warning lamp flashes after being started; when the second conductivity is detected to be qualified, the second warning lamp is normally on; when the second conductivity detection is unqualified, the second warning lamp is turned off;
when the third conductivity is detected, the third warning lamp flashes after being started; when the third conductivity is detected to be qualified, the third warning lamp is normally on; when the third conductivity detection is unqualified, the third warning lamp is turned off;
and when the first conductivity, the second conductivity and the third conductivity are detected to be qualified, the fourth warning lamp is normally on.
Through adopting above-mentioned technical scheme, utilize the warning unit, be convenient for accurately obtain musical instrument sign indicating number vibrations detection progress and result fast.
The invention is further configured to: the detection and statistics unit is connected with a chart output unit, and the chart output unit is connected with a display unit; and the chart output unit is used for converting the detection result into a chart and transmitting the chart to the display unit.
By adopting the technical scheme, the chart output unit and the display unit are utilized, so that the detailed information of the vibration detection of the bridge can be conveniently and clearly displayed.
The invention is further configured to: the detection statistical unit is connected with a classification unit, and the classification unit stores a preset conductivity grade parameter; and the classification unit is used for performing grade classification on the detection result according to the preset conductivity grade parameter and transmitting the grade classification result to the display unit.
By adopting the technical scheme, the accuracy of the detection result is further improved.
In conclusion, the invention has the following beneficial effects: the quality of the bridge can be detected quickly and accurately, the error in detecting and judging the quality of the bridge is reduced, and the working efficiency of vibration detection of the bridge is improved; by utilizing the chart output unit and the display unit, detailed information of the vibration detection of the bridge can be conveniently and clearly displayed; the accuracy of the detection result is improved.
Drawings
Fig. 1 is an architecture diagram in an embodiment of the present invention.
In the figure: 1. a first shock sensor; 11. a second shock sensor; 12. a third shock sensor; 13. a first processing unit; 14. a second processing unit; 15. a third processing unit; 16. a storage unit; 17. a detection statistic unit; 2. a warning unit; 3. a classification unit; 4. a chart output unit; 41. a display unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a vibration detection system for a violin bridge is shown in figure 1 and comprises a first vibration sensor 1, a second vibration sensor 11, a third vibration sensor 12, a storage unit 16, a first processing unit 13, a second processing unit 14, a third processing unit 15 and a detection statistical unit 17.
As shown in fig. 1, the first vibration sensor 1 is connected to the first processing unit 13 and the third processing unit 15 for detecting string vibration parameters of the strings and transmitting the string vibration parameters to the first processing unit 13 and the third processing unit 15.
As shown in fig. 1, the second vibration sensor 11 is connected to the first processing unit 13 and the second processing unit 14, and detects a code vibration parameter of the code and transmits the code vibration parameter to the first processing unit 13 and the second processing unit 14.
As shown in fig. 1, the third vibration sensor 12 is connected to the second processing unit 14 and the third processing unit 15, and detects a board vibration parameter of the piano board and transmits the board vibration parameter to the second processing unit 14 and the third processing unit 15.
As shown in fig. 1, the storage unit 16 stores a first standard conductivity between strings and a bridge, a second standard conductivity between the bridge and a plate, and a third standard conductivity between strings and the plate.
As shown in fig. 1, the first processing unit 13 is connected to the storage unit 16, and is configured to calculate a first real-time conductivity between the string and the bridge according to the string vibration parameter and the bridge vibration parameter, and determine whether the first real-time conductivity matches a first standard conductivity. If the judgment result is yes, the first conductivity detection is qualified. If not, the first conductivity detection is unqualified.
As shown in fig. 1, the second processing unit 14 is connected to the storage unit 16, and is configured to calculate a second real-time conductivity between the bridge and the bridge board according to the bridge vibration parameter and the board vibration parameter, and determine whether the second real-time conductivity matches a second standard conductivity. If yes, the second conductivity is detected as being qualified. If not, the second conductivity detection is unqualified;
as shown in fig. 1, the third processing unit 15 is connected to the storage unit 16, and is configured to calculate a third real-time conductivity between the strings and the piano plate according to the string vibration parameters and the plate vibration parameters, and determine whether the third real-time conductivity matches a third standard conductivity. If yes, the third conductivity is detected as being qualified. If not, the third conductivity test is not qualified.
As shown in fig. 1, the detection statistic unit 17 is connected to the first processing unit 13, the second processing unit 14, and the third processing unit 15, and is configured to count and process detection results of the first conductivity, the second conductivity, and the third conductivity. And when one of the first conductivity, the second conductivity and the third conductivity is unqualified, the code vibration is detected as unqualified. The quality of the bridge can be detected quickly and accurately, the error detection and judgment of the quality of the bridge can be reduced, and the working efficiency of vibration detection of the bridge can be improved.
As shown in fig. 1, the detection statistical unit 17 is connected to a warning unit 2, and the warning unit 2 includes a first warning light, a second warning light, a third warning light and a fourth warning light. When the first conductivity detection is carried out, the first warning lamp flickers after being started; when the first conductivity detection is qualified, the first warning lamp is normally on; when the first conductivity detection is unqualified, the first warning lamp is turned off. When the second conductivity is detected, the second warning lamp flashes after being started; when the second conductivity is detected to be qualified, the second warning lamp is normally on; and when the second conductivity detection is not qualified, the second warning lamp is turned off. When the third conductivity is detected, the third warning lamp flashes after being started; when the third conductivity is detected to be qualified, the third warning lamp is normally on; and when the third conductivity detection is not qualified, the third warning lamp is turned off. And when the first conductivity, the second conductivity and the third conductivity are detected to be qualified, the fourth warning lamp is normally on. Utilize warning unit 2, be convenient for obtain the musical instrument sign indicating number vibrations fast accurately and detect progress and result.
As shown in fig. 1, the graph output unit 4 is connected to the detection/statistic unit 17, and the display unit 41 is connected to the graph output unit 4. And a chart output unit 4 for converting the detection result into a chart and transmitting the chart to the display unit 41. With the chart output unit 4 and the display unit 41, it is convenient to clearly display detailed information of the code shake detection.
As shown in fig. 1, the detection and statistics unit 17 is connected to the classification unit 3, and the classification unit 3 stores a preset conductivity level parameter. The classification unit 3 is configured to classify the detection result according to a preset conductivity classification parameter, and transmit the classification result to the display unit 41. The accuracy of the detection result is improved.
The working principle is as follows: the quality of the bridge can be detected quickly and accurately, the error detection and judgment of the quality of the bridge can be reduced, and the working efficiency of vibration detection of the bridge can be improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a violin bridge vibrations detecting system which characterized by: the vibration detection device comprises a first vibration sensor (1), a second vibration sensor (11), a third vibration sensor (12), a storage unit (16), a first processing unit (13), a second processing unit (14), a third processing unit (15) and a detection statistical unit (17);
the first vibration sensor (1) is connected with the first processing unit (13) and the third processing unit (15) and is used for detecting string vibration parameters of strings and transmitting the string vibration parameters to the first processing unit (13) and the third processing unit (15);
the second vibration sensor (11) is connected with the first processing unit (13) and the second processing unit (14) and is used for detecting code vibration parameters of the piano code and transmitting the code vibration parameters to the first processing unit (13) and the second processing unit (14);
the third vibration sensor (12) is connected with the second processing unit (14) and the third processing unit (15) and is used for detecting the board vibration parameters of the piano board and transmitting the board vibration parameters to the second processing unit (14) and the third processing unit (15);
the storage unit (16) storing a first standard conductivity between the strings and the bridge, a second standard conductivity between the bridge and the bridge, and a third standard conductivity between the strings and the bridge;
the first processing unit (13) is connected with the storage unit (16) and used for calculating a first real-time conductivity between the strings and the bridge according to the string vibration parameters and the bridge vibration parameters and judging whether the first real-time conductivity is matched with the first standard conductivity or not; if the judgment result is yes, the first conductivity detection is qualified; if not, the first conductivity detection is unqualified;
the second processing unit (14) is connected with the storage unit (16) and is used for calculating a second real-time conductivity between the bridge and the bridge plate according to the bridge vibration parameter and the plate vibration parameter and judging whether the second real-time conductivity is matched with the second standard conductivity or not; if the conductivity is judged to be qualified, the second conductivity is detected to be qualified; if not, the second conductivity detection is unqualified;
the third processing unit (15) is connected with the storage unit (16) and is used for calculating a third real-time conductivity between the strings and the piano plate according to the string vibration parameters and the plate vibration parameters and judging whether the third real-time conductivity is matched with the third standard conductivity or not; if the conductivity is judged to be yes, the third conductivity is detected to be qualified; if not, the third conductivity detection is unqualified;
the detection statistical unit (17) is connected with the first processing unit (13), the second processing unit (14) and the third processing unit (15) and is used for counting and processing detection results of the first conductivity, the second conductivity and the third conductivity; and when one of the first conductivity, the second conductivity and the third conductivity is unqualified, the bridge vibration is detected as unqualified.
2. The violin bridge vibration detection system of claim 1, wherein: the detection statistical unit (17) is connected with a warning unit (2), and the warning unit (2) comprises a first warning lamp, a second warning lamp, a third warning lamp and a fourth warning lamp;
when the first conductivity detection is carried out, the first warning lamp flickers after being started; when the first conductivity detection is qualified, the first warning lamp is normally on; when the first conductivity detection is unqualified, the first warning lamp is turned off;
when the second conductivity is detected, the second warning lamp flashes after being started; when the second conductivity is detected to be qualified, the second warning lamp is normally on; when the second conductivity detection is unqualified, the second warning lamp is turned off;
when the third conductivity is detected, the third warning lamp flashes after being started; when the third conductivity is detected to be qualified, the third warning lamp is normally on; when the third conductivity detection is unqualified, the third warning lamp is turned off;
and when the first conductivity, the second conductivity and the third conductivity are detected to be qualified, the fourth warning lamp is normally on.
3. The violin bridge vibration detection system of claim 1, wherein: the detection statistical unit (17) is connected with a chart output unit (4), and the chart output unit (4) is connected with a display unit (41); the chart output unit (4) is used for converting the detection result into a chart and transmitting the chart to the display unit (41).
4. The violin bridge vibration detection system of claim 3, wherein: the detection statistical unit (17) is connected with a classification unit (3), and the classification unit (3) stores a preset conductivity grade parameter; the classification unit (3) is used for classifying the detection result according to the preset conductivity grade parameter and transmitting the classification result to the display unit (41).
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| CN201811212803.8A CN109443513B (en) | 2018-10-18 | 2018-10-18 | Violin bridge vibration detection system |
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