CN209962684U - Automatic tuning device for Chinese zither - Google Patents
Automatic tuning device for Chinese zither Download PDFInfo
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- CN209962684U CN209962684U CN201920486171.8U CN201920486171U CN209962684U CN 209962684 U CN209962684 U CN 209962684U CN 201920486171 U CN201920486171 U CN 201920486171U CN 209962684 U CN209962684 U CN 209962684U
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- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 abstract description 5
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to an automatic tuning device of zither, the on-line screen storage device comprises a base, a first connecting rod, a first support, a drive motor, the second connecting rod, the second support, a second drive motor, ball guide rail slip table, adapter and controller, when the tuning, according to the position coordinate of each nail that presets among the controller, adjust first connecting rod, the rotation angle of second connecting rod and the linear displacement of ball guide rail slip table, make by third drive motor driven nail connector and each nail connect gradually, dial the string of bullet zither in proper order, detect the vibration frequency of plucking the string through the adapter, and send it to the controller in, compare with the standard frequency that corresponds the string, according to deviation between them, control third drive motor's rotation rate and direction, thereby realize the tensioning and the relaxation of string. The utility model discloses a string adjustment does not rely on artifical adjustment, through the motor adjustment, and the dynamics is even accurate, avoids the string of musical instrument to break, and quick accuracy, labour saving and time saving, moreover because first connecting rod and second connecting rod are rotatable to can stick it up when the tuning, put down it when not needing the tuning, saved the space.
Description
Technical Field
The utility model relates to a musical instrument field, specific theory is an automatic tuning device of zither that can high-efficiently accomplish the tuning fast.
Background
The Chinese zither is one of the unique and important national musical instruments in China, has beautiful timbre, wide range of range and rich playing skill, has quite strong expressive force, and is deeply loved by the masses. Because the guzheng adopts factors such as wooden structure, activity bridge, string hanging tensioning mode, the guzheng musical instrument string is easily influenced by environment humiture, playing time length etc. and the tone changes easily. Therefore, tuning is required to be carried out before playing or when the tone is changed, the traditional tuning method is to correct the tone by rotating the nail through the tuning wrench, but the tension of the string is adjusted manually and is not easy to control, the string is easy to break carelessly, the tuning process is time-consuming and labor-consuming, and the tuning is not accurate enough.
Disclosure of Invention
In order to solve the problem, the utility model provides a convenient and fast's zither tuning device, it need not use tuning spanner, and can be fast convenient the tuning of accomplishing the string.
The utility model adopts the technical proposal that: an automatic tuning device for a Chinese zither comprises a base, a first connecting rod, a first support, a first driving motor, a second connecting rod, a second support, a second driving motor, a ball screw guide rail sliding table, a pickup and a controller, wherein the base is arranged inside a Chinese zither head, the ball screw guide rail sliding table is fixedly arranged on the base, the first support is fixedly arranged on the sliding table, the lower end of the first connecting rod is arranged on one side of the first support, the first driving motor is fixedly arranged on the other side of the first support, and an output shaft of the first driving motor penetrates through the first support and is connected with the lower end of the first connecting rod so as to drive the first connecting rod to rotate; the second support is fixedly arranged on one side of the upper end of the first connecting rod, the second connecting rod is arranged on the other side of the upper end of the first connecting rod, the second driving motor is arranged on the second support, and an output shaft of the second driving motor extends into the first connecting rod, is rotatably connected with the first connecting rod and is connected with the lower end of the second connecting rod so as to drive the second connecting rod to rotate; the second connecting rod is provided with a string vibration frequency adjusting system which comprises a third driving motor, a speed reducer and a string nail connector, and the third driving motor and the speed reducer are arranged on a third support; the output shaft after the third driving motor is connected with the speed reducer is provided with a nail connector, the sound pick-up, the first driving motor, the second driving motor and the third driving motor are connected with a controller, and the controller is arranged in the kite head; set up the adapter on zither body panel, the vibration frequency of musical instrument string when the adapter detects the school sound to send it to with the controller in, compare with the standard frequency that corresponds the string, according to deviation between them, control third driving motor's rotation speed and direction.
The ball screw guide rail sliding table is driven by a stepping motor or a servo motor.
The utility model discloses when the tuning, according to the position coordinate of each nail that presets among the controller, adjust first connecting rod, the rotation angle of second connecting rod and the linear displacement of ball guide rail slip table, make and connect gradually with each nail by third driving motor driven nail connector, dial the string of playing the guzheng in proper order, detect the vibration frequency that the string was dialled to the bullet through the adapter, and send it to the controller in, compare with the standard frequency that corresponds the string, according to deviation between them, control third driving motor's rotation rate and direction, thereby realize the tensioning of string and relax.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a string adjustment does not rely on artifical adjustment, through the motor adjustment, and the dynamics is even accurate, avoids the string of musical instrument to break, and quick accuracy, labour saving and time saving, moreover because first connecting rod and second connecting rod are rotatable to can stick it up when the tuning, put down it when not needing the tuning, saved the space.
Drawings
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an automatic tuning device for a zheng according to the present invention.
Fig. 2 is a schematic structural diagram ii of the automatic tuning device for zheng according to the present invention.
Wherein: 1. a base; 2. a ball screw guide rail sliding table; 3. a first bracket; 4. a first drive motor; 5. a first link; 6. a second bracket; 7. a second drive motor; 8. a second link; 9. a third support; 10. a third drive motor; 11. a speed reducer; 12. the nail connector.
Detailed Description
As shown in fig. 1 and 2, an automatic tuning device for a zither comprises a base 1, a ball screw guide rail sliding table 2, a first support 3, a first driving motor 4, a first connecting rod 5, a second support 6, a second driving motor 7, a second connecting rod 8, a pickup and a controller, wherein the base 1 is arranged inside a zither head, the ball screw guide rail sliding table 2 is fixedly arranged on the base 1, the lower end of the first connecting rod 5 is arranged on one side of the first support 3, the first support 3 is fixedly arranged on the sliding table, the first driving motor 4 is fixedly arranged on the other side of the first support 3, and an output shaft of the first driving motor passes through the first support 3 and is connected with the lower end of the first connecting rod 5 so as to drive the first connecting rod 5 to rotate; the second bracket 6 is fixedly arranged on one side of the upper end of the first connecting rod 5, the second connecting rod 8 is arranged on the other side of the upper end of the first connecting rod 5, the second driving motor 7 is arranged on the second bracket 6, and the output shaft of the second driving motor extends into the first connecting rod 5, is rotatably connected with the first connecting rod 5 and is connected with the lower end of the second connecting rod 8 so as to drive the second connecting rod 8 to rotate; the head of the kite is internally provided with nails connected with strings, the second connecting rod 8 is provided with a string vibration frequency adjusting system which comprises a third driving motor 10, a speed reducer 11 and a nail connector 12, and the third driving motor 10 and the speed reducer 11 are arranged on a third bracket 9; an output shaft after the third driving motor 10 is connected with the speed reducer 11 is provided with a nail connector 12, and the pickup, the first driving motor 4, the second driving motor 7 and the third driving motor 10 are connected with a controller which is arranged inside the kite head; the pickup is arranged on the panel of the kite body, detects the vibration frequency of strings during sound correction, sends the vibration frequency to the controller, compares the vibration frequency with the standard frequency of the corresponding strings, and controls the rotation speed and the direction of the third driving motor 10 according to the deviation of the vibration frequency and the standard frequency.
Wherein, the ball screw guide rail sliding table 2 is driven by a stepping motor or a servo motor. Through first connecting rod 5, the setting of second connecting rod 8 and ball slide table 2, can realize by the reciprocating motion of third driving motor 10 driven instrument nail connector in space, in addition first connecting rod 5 has set up in advance in the controller, second connecting rod 8 and ball guide rail slide table 2 begin from the initial point position, when moving between each instrument nail position, the angle that each connecting rod needs to rotate and the linear displacement of ball guide rail slide table, thereby can accurately stop in the position of treating the school sound string when school sound at every turn, and realize the combination and the separation of instrument nail connector and instrument nail.
When the tuning is needed, firstly, the connecting rod is erected, the rotation angle of the first connecting rod 5 and the rotation angle of the second connecting rod 8 and the linear displacement of the ball screw guide rail sliding table 2 are adjusted, the nail connector driven by the third driving motor 10 is connected with the nail on the first string, the first string to be tuned is played, the pickup automatically detects the vibration frequency of the string and sends the vibration frequency to the controller, the controller is compared with the standard frequency of the corresponding string, and the rotation speed and the direction of the third driving motor 10 are controlled according to the deviation of the standard frequency and the standard frequency, so that the tensioning and the releasing of the string are realized. After this root string tuning is accomplished, repeat above-mentioned tuning process, position coordinate according to setting up in advance in the controller, adjust first connecting rod 5, the rotation angle of second connecting rod 8 and the linear displacement of ball guide rail slip table 2, make the nail connector 12 by the drive of third driving motor 10 connect gradually with each nail, dial the string of playing the zither in proper order, after accomplishing all tuning works, ball guide rail slip table, first connecting rod and second connecting rod return to the original point, and fall the connecting rod, prepare for next tuning.
The above embodiments are merely preferred embodiments of the present invention, and not intended to limit the present invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (2)
1. An automatic tuning device for a Chinese zither is characterized by comprising a base, a first connecting rod, a first support, a first driving motor, a second connecting rod, a second support, a second driving motor, a ball screw guide rail sliding table, a pickup and a controller, wherein the base is arranged inside a Chinese zither head, the ball screw guide rail sliding table is fixedly arranged on the base, the first support is fixedly arranged on the sliding table, the lower end of the first connecting rod is arranged on one side of the first support, the first driving motor is fixedly arranged on the other side of the first support, and an output shaft of the first driving motor penetrates through the first support and is connected with the lower end of the first connecting rod so as to drive the first connecting rod to rotate; the second support is fixedly arranged on one side of the upper end of the first connecting rod, the second connecting rod is arranged on the other side of the upper end of the first connecting rod, the second driving motor is arranged on the second support, and an output shaft of the second driving motor extends into the first connecting rod, is rotatably connected with the first connecting rod and is connected with the lower end of the second connecting rod so as to drive the second connecting rod to rotate; the second connecting rod is provided with a string vibration frequency adjusting system which comprises a third driving motor, a speed reducer and a string nail connector, and the third driving motor and the speed reducer are arranged on a third support; the output shaft after the third driving motor is connected with the speed reducer is provided with a nail connector, the sound pick-up, the first driving motor, the second driving motor and the third driving motor are connected with a controller, and the controller is arranged in the kite head; set up the adapter on zither body panel, the vibration frequency of musical instrument string when the adapter detects the school sound to send it to with the controller in, compare with the standard frequency that corresponds the string, according to deviation between them, control third driving motor's rotation speed and direction.
2. A zither automatic tuning device according to claim 1, wherein: the ball screw guide rail sliding table is driven by a stepping motor or a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486171.8U CN209962684U (en) | 2019-04-11 | 2019-04-11 | Automatic tuning device for Chinese zither |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486171.8U CN209962684U (en) | 2019-04-11 | 2019-04-11 | Automatic tuning device for Chinese zither |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209962684U true CN209962684U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920486171.8U Active CN209962684U (en) | 2019-04-11 | 2019-04-11 | Automatic tuning device for Chinese zither |
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| CN (1) | CN209962684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885314A (en) * | 2021-01-12 | 2021-06-01 | 九江学院 | Zither rack with tuning function |
| CN114999422A (en) * | 2022-07-03 | 2022-09-02 | 北京乐界乐科技有限公司 | Zither of intelligent automatically regulated tone |
-
2019
- 2019-04-11 CN CN201920486171.8U patent/CN209962684U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885314A (en) * | 2021-01-12 | 2021-06-01 | 九江学院 | Zither rack with tuning function |
| CN112885314B (en) * | 2021-01-12 | 2023-07-07 | 江西省致能智造产业技术研究有限公司 | Zither rack with tuning function |
| CN114999422A (en) * | 2022-07-03 | 2022-09-02 | 北京乐界乐科技有限公司 | Zither of intelligent automatically regulated tone |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 Building B, Building 501, Jinghang Industrial Park, Xingdong Community, Xin'an Street, Bao'an District, Shenzhen City, Guangdong Province (a multi site enterprise with one photo) Patentee after: SHENZHEN MOOER AUDIO Co.,Ltd. Country or region after: China Address before: 518000 Room 501, Building B, Jinghang Electronics Factory, District 71, Xingdong Community, Xin'an Street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN MOOER AUDIO Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |