CN201877115U - Noiseless simulation two-stringed bowed instrument - Google Patents
Noiseless simulation two-stringed bowed instrument Download PDFInfo
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- CN201877115U CN201877115U CN 201020659901 CN201020659901U CN201877115U CN 201877115 U CN201877115 U CN 201877115U CN 201020659901 CN201020659901 CN 201020659901 CN 201020659901 U CN201020659901 U CN 201020659901U CN 201877115 U CN201877115 U CN 201877115U
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Abstract
The utility model discloses a noiseless simulation two-stringed bowed instrument. A sensor is used to acquire a sound source signal, so that the problems of noise, pitching and toning during practicing of a beginner are solved; and operation information during practicing is displayed in a pattern form through a display device, so that a leaner can find the problems intuitively and correct operation in time and the aim of quickly and correctly grasping basic operation is fulfilled. The upper end of an instrument rod is provided with an instrument head; one side of the instrument head is provided with a tuning peg; one side of the tuning peg is provided with a display screen; buttons are arranged on one side below the display screen; a jack is arranged below the buttons; the lower end of the instrument rod is provided with an instrument barrel; the sensor is arranged in the upper part of the inside of the instrument barrel; a connection circuit is arranged in the instrument rod between the sensor and the display screen; one side of the instrument barrel is provided with a bridge; strings which pass through the jack are arranged between the bridge and the tuning peg; a battery is arranged below in the lower part of the inside of the instrument barrel; an audio extension board is arranged below the battery; and the back part of the audio extension board is provided with a string bracket. The conventional python skin cavity vibratory sounding structure is discarded, materials are obtained more easily and conveniently and the aim of protecting the environment is fulfilled.
Description
Technical field
The utility model relates to the electronics bowed instrument, especially a kind of noiselessness emulation two Chinese fiddle.
Background technology
At present, electronic musical instrument is more and more universal.Electronics bowed instrument wherein, particularly electronics two Chinese fiddle have a lot of improvement on the basis of traditional urheen.
Chinese patent publication number CN2847451Y discloses a kind of covering electronics urheen that do not have, its principal character is that a leading note body is installed in the sound Vibration Box, one pressure transducer is installed in the leading note body, and pressure transducer links to each other with synthesis effect processor, and synthesis effect processor links to each other with the audio amplifier that amplifies.
Chinese patent publication number CN86103647B discloses a kind of electronic Hu Qin, its principal character is having the piezoelectric ceramics of piezoelectric effect as the sound wave transducer, piezoelectric ceramics is equivalent to above-mentioned sound Vibration Box, it converts the string vibration to electric signal by sound wave transducer or sound Vibration Box, electric signal process tamber transformation switch, be equivalent to above-mentioned synthesis effect processor and after oversampling circuit amplifies, promote sound horn then.
Chinese patent publication number CN201444398U discloses a kind of multitone look electronics audiovisual urheen, and it has qin axle, qin bar, bow, qin tube; Establish template in qin tube one side, qin tube opposite side is established preposition secondary qin tube, and secondary qin tube one side is the sound window, has on audio amplifier, the audio amplifier under the secondary qin tube and adorns loudspeaker; Under the qin tube Qin Tuo is arranged, its built-in playing device is adorned video display on the qin bar, and above-mentioned playing device is that pickup is amplified, the tone power amplifier connects the USB flash disk player circuit, and this player circuit connects display and constitutes.
Above three pickup principles similar substantially, all be to adopt piezoceramic material as acoustic pickup, realize converting the string vibration to electric signal.Different is that signal amplification circuit and configuration aspects are slightly variant.
Chinese patent publication number CN201266484 discloses a kind of electronics urheen, comprise scroll head, qin bar and the qin tube that is arranged on qin bar end, on the qin bar string is housed, be provided with acoustic pickup and effect device in the described qin tube, described acoustic pickup and effect device are connected with the sound equipment that carries in being fixed on the qin tube by electric wire, carry sound equipment and be circumscribed with power supply, described qin tube end outer surface offers the sound window.When the user plays the string of electronics urheen, acoustic pickup in the qin tube changes vibrations of strings into electric signal input effect device, synthetic and polishing tonequality, audio by effect device then, carry out sounding, by the audio amplifier sounding of energized, the sound window that music is offered by qin tube end outer surface spreads out of at last, and the sound window has the effect of amplifying, the electronics urheen sounding effect of this structure is good, easy and simple to handle, easy to carry.
Above electronics bowed instrument differs far away in the tonequality of signal acquisition process middle pitch source quality and traditional instrument, can not solve simultaneously the noise of beginner when practising.In view of above reason, the electronics bowed instrument needs to improve.
The utility model content
The purpose of this utility model is in order to solve the electronics bowed instrument in signal acquisition process middle pitch source quality simulation problems, a kind of noiselessness emulation two Chinese fiddle are provided, adopt a kind of sensor acquisition sound source signal, the noise problem and the problem of tuning up of setting the tone when the solution beginner practises; Adopt a kind of audio expansion board to carry out sound simultaneously and proofread and correct and drive the earphone sounding, and operation information shows by display device is patterned will practise the time, be convenient to the learner and pinpoint the problems intuitively, and corrigendum operation in time, reach and grasp the basic operation purpose quickly and accurately.
The utility model adopts following technical scheme for achieving the above object: a kind of noiselessness two Chinese fiddle are by scroll head, the qin bar, and peg, display screen, connection line, button, very heavy, string, qin tube, sensor, battery, bridge, string holder, audio expansion board; Collet, coil, magnetic core, lead-in wire, sheath; Musical alphabet, frequency, the tuner project, mode, the pitch indication is formed; In qin bar upper end scroll head is set, a side of scroll head is provided with peg, one side peg display screen is set, display screen below one side is provided with button, the button below is provided with very heavy; In qin bar lower end the qin tube is set, qin tube inner and upper is provided with sensor, in the qin bar between sensor and display screen connection line is set; Qin tube one side is provided with bridge, string is set by very heavy between bridge and peg; Below, qin tube inside is provided with battery, and the battery below is provided with the audio expansion board, and audio expansion board rear portion is provided with the string holder.
In the described sensor coil is set, magnetic core is set in the coil, coil is provided with sheath outward, and coil one side is provided with lead-in wire, and the coil rear end is provided with collet.
Described display screen upper left side is provided with musical alphabet, and the right-hand pitch that is provided with of musical alphabet is indicated, and the musical alphabet below is provided with frequency, and the frequency below is provided with tuner project, the right-hand mode that is provided with of tuner project.
The utility model keeps the similarity with traditional urheen in appearance, adopt sensor to substitute traditional urheen ChinesePython skin and cavity vibration sounding structure in its inner structure, vibration signal is transformed into electric signal does further signal Processing (comprising delay, height octave, group's sound etc.); After noiselessness two Chinese fiddle middle pitches effect expansion board was handled electric signal, without amplifying by audio interface output, the user can receive voice signal by earphone; The user realizes operational transformation and corresponding tuner project switching by button.
The utility model course of work is as follows: the sensor acquisition string vibration signal, convert string vibration signal to electric signal and deliver to the audio expansion board, the audio expansion board is finished the quantification to electric signal, digitizing, then digitized signal is handled,, will be adopted signal simultaneously and information be outputed to display screen by connection line by audio interface output, realize the graphical demonstration of operation information, understand its operation information intuitively for the user; The user can or switch on the corresponding tuner project by the button blocked operation.
Sensor described in Fig. 1, its structure be as shown in Figure 2: be by collet, and coil, magnetic core, lead-in wire, jacket portions is formed, and its principle of work is to utilize string to vibrate in magnetic field, changes magnetic flux and produces induced voltage.Produce magnetic field by magnetic core in this structure, wherein the degree of uniformity of Distribution of Magnetic Field and magnetic field intensity all will exert an influence to tonequality, and string its string in vibration processes can change magnetic flux, thereby produce electric signal, and this electric signal is the emulation sound source signal.
Display screen described in Fig. 1, its displaying contents be as shown in Figure 3: by musical alphabet, and frequency, tuner project, mode, pitch indicating section content.This display screen carries out operations such as digitizing, quantification by to receiving the sound source signal of sensor, and user's operation information is intuitively shown by patterned form.
The utlity model has following beneficial effect:
1, replaces the conventional acoustic vibration signal with electric signal, be convenient to audio and handle;
2, the boa skin cavity vibration sounding structure of abandoning tradition is drawn materials easier and is reached the environmental protection purpose;
3, output sound signal is very faint when not amplifying, the noise problem that produces when effectively solving exercise;
4, obtain string vibration signal by electromagnetic field non-contactly, farthest keep playing the primitive character of signal;
5, the audio expansion board has increased time-delay, reverberation, and group's sound, balanced and low octave range expanded function has improved performance entertaining and performance;
6, display screen shows the operation information of current performance, and tone and accuracy in pitch deviation can realize the function of tuning up, and helps the beginner quick and precisely to grasp basic operation.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a kind of composition structural drawing of novel two Chinese fiddle;
Among Fig. 1: scroll head 1, qin bar 2, peg 3, display screen 4, connection line 5, button 6, very heavy 7, string 8, qin tube 9, sensor 10, battery 11, bridge 12, string holder 13, audio expansion board 14.
Fig. 2 is the structural representation of sensor 10 among Fig. 1;
Among Fig. 2: collet 15, coil 16, magnetic core 17, lead-in wire 18, sheath 19;
Fig. 3 is the structural representation of display screen 4 among Fig. 1;
Among Fig. 3: musical alphabet 20, frequency 21, tuner project 22, mode 23, pitch indication 24.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
As shown in the figure: in qin bar 2 upper ends scroll head 1 is set, a side of scroll head 1 is provided with peg 3, one side peg 3 display screen 4 is set, display screen 4 belows one side is provided with button 6, button 6 belows are provided with very heavy 7; In qin bar 2 lower ends qin tube 9 is set, qin tube 9 inner and upper are provided with sensor 10, in the qin bar 2 between sensor 10 and display screen 4 connection line 5 are set; Qin tube 9 one sides are provided with bridge 12, string 8 are set by very heavy 7 between bridge 12 and peg 3; Qin tube 9 inner belows are provided with battery 11, and battery 11 belows are provided with audio expansion board 14, and audio expansion board 14 rear portions are provided with string holder 13.
In the described sensor 10 coil 16 is set, magnetic core 17 is set in the coil 16, the coil 16 outer sheaths 19 that are provided with, coil 16 1 sides are provided with lead-in wire 18, and coil 16 rear ends are provided with collet 15.
Described display screen 4 upper left sides are provided with musical alphabet 20, and the musical alphabet 20 right-hand pitches that are provided with indicate 24, and musical alphabet 20 belows are provided with frequency 21, and frequency 21 belows are provided with tuner project 22, the tuner project 22 right-hand modes 23 that are provided with.
Claims (3)
1. noiselessness emulation two Chinese fiddle are by scroll head (1), qin bar (2), peg (3), display screen (4), connection line (5), button (6), very heavy (7), string (8), qin tube (9), sensor (10), battery (11), bridge (12), string holder (13), audio expansion board (14); Collet (15), coil (16), magnetic core (17), lead-in wire (18), sheath (19); Musical alphabet (20), frequency (21), tuner project (22), mode (23), pitch indication (24) is formed; It is characterized in that: in qin bar (2) upper end scroll head (1) is set, a side of scroll head (1) is provided with peg (3), peg (3) one side display screen (4) is set, display screen (4) below one side is provided with button (6), button (6) below is provided with very heavy (7); In qin bar (2) lower end qin tube (9) is set, qin tube (9) inner and upper is provided with sensor (10), in the qin bar (2) between sensor (10) and display screen (4) connection line (5) is set; Qin tube (9) one sides are provided with bridge (12), string (8) are set by very heavy (7) between bridge (12) and peg (3); The inner below of qin tube (9) is provided with battery (11), and battery (11) below is provided with audio expansion board (14), and audio expansion board (14) rear portion is provided with string holder (13).
2. a kind of noiselessness emulation two Chinese fiddle according to claim 1, it is characterized in that: coil (16) is set in the described sensor (10), magnetic core (17) is set in the coil (16), the outer sheath (19) that is provided with of coil (16), coil (16) one sides are provided with lead-in wire (18), and coil (16) rear end is provided with collet (15).
3. a kind of noiselessness emulation two Chinese fiddle according to claim 1, it is characterized in that: described display screen (4) upper left side is provided with musical alphabet (20), the right-hand pitch that is provided with of musical alphabet (20) is indicated (24), musical alphabet (20) below is provided with frequency (21), frequency (21) below is provided with tuner project (22), the right-hand mode (23) that is provided with of tuner project (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020659901 CN201877115U (en) | 2010-12-15 | 2010-12-15 | Noiseless simulation two-stringed bowed instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020659901 CN201877115U (en) | 2010-12-15 | 2010-12-15 | Noiseless simulation two-stringed bowed instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877115U true CN201877115U (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020659901 Expired - Fee Related CN201877115U (en) | 2010-12-15 | 2010-12-15 | Noiseless simulation two-stringed bowed instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877115U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578457A (en) * | 2012-07-31 | 2014-02-12 | 李凤明 | Passive interchangeable electronic plate Erhu head |
| CN107945618A (en) * | 2018-01-18 | 2018-04-20 | 牡丹江师范学院 | A kind of urheen fingering training device |
| CN114155826A (en) * | 2021-11-15 | 2022-03-08 | 深圳市卓乐科技有限公司 | Electric Huqin and control system capable of realizing multi-tone conversion |
-
2010
- 2010-12-15 CN CN 201020659901 patent/CN201877115U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578457A (en) * | 2012-07-31 | 2014-02-12 | 李凤明 | Passive interchangeable electronic plate Erhu head |
| CN107945618A (en) * | 2018-01-18 | 2018-04-20 | 牡丹江师范学院 | A kind of urheen fingering training device |
| CN114155826A (en) * | 2021-11-15 | 2022-03-08 | 深圳市卓乐科技有限公司 | Electric Huqin and control system capable of realizing multi-tone conversion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20111215 |