阅读说明：本技术 一种基于钢琴弹奏识别的声音信息采集用辅助设备 (Auxiliary assembly for sound information collection based on piano playing identification ) 是由 杨峻峰 李效龙 盛克峰 熊云飞 于 2021-08-06 设计创作，主要内容包括：本发明属于钢琴用辅助设备技术领域,尤其是一种基于钢琴弹奏识别的声音信息采集用辅助设备,针对现有技术中不能一边进行信息采集和反馈音质效果的新型采集辅助设备问题,现提出以下方案,包括卡接在谱台顶端能够滑动的采集盒,所述采集盒的顶端中部开有矩形安装孔,且矩形安装孔中卡接有开口向上的储液槽,采集盒的上表面位于储液槽的两端分别固定有步进电机和轴承板,且步进电机的输出轴端部固定有传动杆,传动杆的中部套接有六棱柱固定套。本发明当使用者开始弹奏乐曲的时候,钢琴背架处产生的音乐会以声波的形式撞击到膜架中兜起的有色气泡膜的表面,音量不同气泡膜的鼓动幅度以及表面颜色的舞动也不同,以此来判断弹奏出的音乐的音质。(The invention belongs to the technical field of auxiliary equipment for pianos, and particularly relates to auxiliary equipment for sound information acquisition based on piano playing identification. When a user starts to play music, music generated at the back frame of the piano impacts the surface of the colored bubble film which is wrapped in the film frame in a sound wave mode, and the drumming amplitude and the waving of the surface color of the bubble film with different sound volumes are different, so that the tone quality of the played music is judged.)

1. The utility model provides an auxiliary assembly for sound information gathers based on discernment is played to piano, includes that the joint can gliding collection box (1) on music stand (1801) top, open at the top middle part of gathering box (1) has the rectangle mounting hole, and the joint has ascending reservoir (17) of opening in the rectangle mounting hole, the both ends that the upper surface of gathering box (1) is located reservoir (17) are fixed with step motor (2) and bearing plate (13) respectively, and the output shaft end of step motor (2) is fixed with transfer line (14), the fixed cover of hexagonal prism has been cup jointed at the middle part of transfer line (14), its characterized in that, one side that transfer line (14) were kept away from to the fixed cover of hexagonal prism is fixed with two openings and is articulated board box (7) that centrosymmetric mutually in opposite, and articulated board box (7) all are provided with membrane frame (9).

2. The auxiliary device for sound information collection based on piano playing identification according to claim 1, wherein the lower surface of the collection box (1) is provided with a notch penetrating through the front and the rear, and a clamping piece (18) of a channel steel structure with an opening inclined downwards is clamped in the notch.

3. The auxiliary equipment for sound information collection based on piano playing identification is characterized in that the top of the clamping piece (18) close to two ends is embedded with positioning barrels (1802) with downward openings, the bottom opening of each positioning barrel (1802) is connected with an inner sliding block (1804) in a sliding mode, the bottom end of each inner sliding block (1804) is provided with a spherical groove, balls (1806) are connected in the spherical grooves in a rotating mode, a compression spring (1803) is fixed between the top end of each inner sliding block (1804) and the bottom of each positioning barrel (1802), and a buffer strip (1805) is reserved on the inner wall of the clamping piece (18) close to the bottom opening.

4. The auxiliary device for sound information collection based on piano playing identification as claimed in claim 1, wherein the membrane frame (9) comprises a first strut and a second strut, which are symmetrically and respectively connected to the first strut and the second strut in the hinged board box (7) in a rotating manner, a same spring rope (10) is fixed between the top ends of the opposite sides of the first strut and the second strut, a pull rope (12) is fixed between the roots of the first strut and the second strut, the front side of the hinged board box (7) near the bottom end is provided with a shaft hole (701) penetrating through the front and the back, a movable hinge shaft is inserted in the shaft hole (701), the outer walls of the two sides far away from the hinged board box (7) are respectively fixed with a fixed pull rod (5), one side of the fixed pull rod (5) near the hinged board box (7) is respectively fixed with a tension spring (901), one ends of the two tension springs (901) far away from the fixed pull rod (5) are respectively fixed on the sides of the first strut and the second strut, spring clamping blocks (901) matched with hooks at the end parts of the tension spring (901) are fixed on the side surfaces of the first support rod and the second support rod.

5. An auxiliary device for sound information collection based on piano playing identification according to claim 4, wherein the continuously undulating hair protrusions (11) are fixed on the opposite sides of the first and second struts.

6. The auxiliary device for sound information collection based on piano playing identification is characterized in that a cover plate (3) is fixed at the top end of the liquid storage tank (17), a longitudinally distributed constraint hole (4) is fixed in the middle of the cover plate (3), and the width of the constraint hole (4) is larger than the width of the two support rods when the two support rods are combined.

7. The auxiliary device for sound information collection based on piano playing identification as claimed in claim 6, wherein mutually symmetrical cavel stop bars (8) are fixed on the upper surface of the cover plate (3) near the two side edges of the front end of the restriction hole (4), respectively, and the distance between the top ends of the two cavel stop bars (8) is greater than the span between the top ends of the two first supporting bars and the second supporting bars.

8. The auxiliary device for sound information collection based on piano playing recognition is characterized in that a recording box (15) is fixed at the top end of the collection box (1) close to the front, a recording hole (16) is formed in the surface of the recording box (15), and a loudspeaker (21) is fixed on the upper surface of the collection box (15) right in front of the constraint hole (4).

9. The auxiliary device for sound information collection based on piano playing identification is characterized in that the back of the collection box (1) is provided with two mutually symmetrical slide rails (19), and a sound wave imaging screen (20) is connected between the two slide rails (19) in a sliding manner.

Technical Field

The invention relates to the technical field of piano auxiliary equipment, in particular to auxiliary equipment for sound information acquisition based on piano playing identification.

Background

With the development of electronic technology, especially the common application of microcomputers, the piano has many functions besides the original traditional advantages, thereby meeting the requirements of multiple aspects of people for appreciation, practice, teaching and the like.

At present, a plurality of methods are used for detecting the motion of a key and the motion speed of the key, and other methods for capturing the data of the musical note expressive force of a keyboard of a certain musical instrument are also provided, the methods are realized by using a device with a mechanical switch structure, and the method using mechanical induction has a plurality of obvious defects, for example, the method can only mechanically record the emitted sound into a small box, and only can know the information of the tone color, tone quality and intensity of the sound played at the time after being specially opened at a later stage, so that the defect of the user can not be quickly found at the time when the user plays the music. In addition, this type of information collecting box needs to be placed on a musical instrument stand, which not only affects sound production but also is inconvenient to carry. Therefore, a new auxiliary device for collecting information and feeding back the sound quality effect is needed.

Disclosure of Invention

The invention provides an auxiliary device for sound information acquisition based on piano playing identification, aiming at overcoming the problem that a novel acquisition auxiliary device cannot acquire information and feed back tone quality effects at the same time in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an audio information gathers uses auxiliary assembly based on piano playing discernment, includes the joint and can the gliding collection box in the stand top, open at the top middle part of collection box has the rectangle mounting hole, and the joint has the ascending reservoir of opening in the rectangle mounting hole, the upper surface of collection box is located the both ends of reservoir and is fixed with step motor and bearing plate respectively, and step motor's output shaft end is fixed with the transfer line, the middle part of transfer line has cup jointed six prism fixed covers, one side that six prism fixed covers kept away from the transfer line is fixed with two opposite mutually central symmetry's of opening articulated plate box, and articulated plate box all is provided with the membrane frame to when using, when the user begins to play music, the music that piano back of the body department produced can strike the surface of the colored bubble membrane of pocket in the membrane frame with the form of sound wave, and the range of waving and the surface color of the bubble membrane of the different volume are different too, thus, the tone quality of the played music is judged.

According to the preferable scheme of the invention, the lower surface of the collecting box is provided with a notch which penetrates through the front and the back, and a clamping piece with a channel steel-shaped structure with a downward inclined opening is clamped in the notch.

As a preferable scheme in the invention, the positioning barrels with downward openings are embedded in the positions, close to the two ends, of the top of the clamping piece, the inner sliding block is connected to the opening at the bottom end of the positioning barrel in a sliding mode, the spherical groove is formed in the bottom end of the inner sliding block, the ball is connected to the spherical groove in a rotating mode, the compression spring is fixed between the top end of the inner sliding block and the bottom of the positioning barrel, and the buffer strip is reserved on the inner wall of the clamping piece, close to the opening at the bottom end of the clamping piece, so that when the device is used and the music score, which is shielded to the top end of the music stand, needs to be moved, a small distance is needed to be shifted left and right along the top end of the music stand, and the device can be adjusted to the most suitable position according to the sounding position to increase the bubbling effect of the bubble film.

As a preferable scheme in the invention, the membrane frame comprises a first support rod and a second support rod which are mutually symmetrical and respectively rotatably connected in a hinged plate box in a rotating way, a same spring rope is fixed between the top ends of the opposite sides of the first support rod and the second support rod, a pull rope is fixed between the root parts of the first support rod and the second support rod, the front side close to the bottom end of the hinged plate box is provided with a front shaft hole and a rear shaft hole which penetrate through the front shaft hole and the rear shaft hole, a movable hinge shaft is inserted in the shaft holes, the outer walls of the two sides far away from the hinged plate box are respectively fixed with a fixed pull rod, one side of the fixed pull rod close to the hinged plate box is respectively fixed with a tension spring, one ends of the two tension spring springs far away from the fixed pull rod are respectively fixed on the side surfaces of the first support rod and the second support rod, and the side surfaces of the first support rod and the second support rod are respectively fixed with a spring clamping block which is matched with a hook at the end part of the tension spring, so that when the first support rod and the second support rod are drained, further, the bubble film is developed so as to block more area of sound waves, and the effect is improved.

According to the preferable scheme of the invention, the continuously fluctuating hair protrusions are fixed on the opposite sides of the first support rod and the second support rod, so that the water absorption effect of the first support rod and the second support rod can be increased, and the bubble film can stay for a longer time.

As a preferable scheme in the invention, a cover plate is fixed at the top end of the liquid storage tank, a longitudinally-distributed constraint hole is fixed in the middle of the cover plate, and the width of the constraint hole is greater than the width of the combined two support rods.

As a preferable scheme in the invention, mutually symmetrical goat's horn stop rods are respectively fixed at the edges of two sides of the upper surface of the cover plate close to the front end of the restriction hole, and the distance between the top ends of the two goat's horn stop rods is larger than the span between the top ends of the two support rods one and the two support rods two, so that when the film frame is driven by the transmission rod to descend to be stained with bubble water in use, the film frame can be recovered to be close to a combined state under the action of the goat's horn stop rods, more bubble water can be stained with, the opening area of the liquid storage tank can be reduced, and dust can be reduced from falling into the liquid storage tank.

As a preferable scheme in the present invention, a recording box is fixed to a top end of the collecting box near the front, a recording hole is formed in a surface of the recording box, and a loudspeaker is fixed to an upper surface of the collecting box right in front of the restriction hole.

As a preferable scheme in the invention, the back of the collecting box is provided with two mutually symmetrical slide rails, and a sound wave imaging screen is connected between the two slide rails in a sliding manner, so that sound waves can be clearly drawn and converted into broken lines, and the characteristics of sound can be directly judged according to wave crests and wave troughs.

To sum up, the beneficial effect in this scheme is:

1. according to the auxiliary equipment for sound information collection based on piano playing identification, the film frame fixed on the transmission rod and the bubble liquid in the liquid storage tank are arranged, so that when a user starts playing music, music generated at the back frame of the piano can impact the surface of a colored bubble film wrapped in the film frame in a sound wave mode when the auxiliary equipment is used, the bubbling film with different volume and different surface color waving are different, and the tone quality of the played music is judged;

2. according to the auxiliary equipment for sound information collection based on piano playing identification, through the positioning barrel arranged on the inner wall of the top end of the clamping piece, when the device shields the music score at the top end of the music stand and needs to be moved, only a slight distance is needed to be shifted left and right along the top end of the music stand, and the device can be adjusted to the most suitable position according to the sounding position to increase the bubbling effect of a bubble film;

3. according to the auxiliary equipment for sound information acquisition based on piano playing identification, two support rods which are hinged in a hinged plate box and can be combined together are arranged, when the auxiliary equipment can be reused, after water flows out of the two support rods I and the two support rods II, the two support rods I and the two support rods II can be unfolded under the action of the two tension spring springs, so that sound waves with more areas can be blocked, and the effect is improved;

4. this kind of audio information gathers and uses auxiliary assembly based on piano is played discernment, through the about hole and the goat's horn shelves pole that set up, can be when the use drive the decline of membrane frame and be stained with bubble water when the transfer line, can retrieve to being close the merge state under the effect of goat's horn shelves pole to can be stained with more bubble water, and can reduce reservoir open area, reduce the dust and fall inside.

Drawings

Fig. 1 is a schematic overall structure diagram of an auxiliary device for sound information collection based on piano playing identification according to the present invention;

FIG. 2 is a schematic structural diagram of the assembly of the auxiliary equipment film frame for sound information collection based on piano playing identification according to the present invention;

FIG. 3 is an enlarged schematic structural view of an auxiliary device for sound information collection based on piano playing recognition shown in FIG. 1A;

FIG. 4 is a schematic view of an assembly structure of the reservoir of the present invention;

fig. 5 is a schematic cross-sectional structural diagram of an auxiliary device ferrule for sound information collection based on piano playing identification according to the present invention;

FIG. 6 is a schematic side view of the auxiliary device for sound information collection based on piano playing recognition according to the present invention;

fig. 7 is a schematic perspective view of an auxiliary device for sound information collection based on piano playing recognition according to a second embodiment of the present invention.

In the figure: the device comprises a collection box 1, a stepping motor 2, a cover plate 3, a restriction hole 4, a fixed pull rod 5, a tension spring 6, a hinge plate box 7, a 701 shaft hole, a horn stopper 8, a membrane frame 9, a spring clamping block 901, a spring rope 10, a hair protrusion 11, a pull rope 12, a bearing plate 13, a transmission rod 14, a recording box 15, a sound recording hole 16, a liquid storage tank 17, a clamping piece 18, a spectrum table 1801, a locating barrel 1802, a compression spring 1803, a slide block 1804, a buffer strip 1805, a ball 1806, a slide rail 19, a sound wave imaging screen 20 and a loudspeaker 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-5, an auxiliary device for sound information collection based on piano playing identification comprises a collection box 1 which is clamped at the top end of a music stand 1801 and can slide, a rectangular mounting hole is formed in the middle of the top end of the collection box 1, a liquid storage tank 17 with an upward opening is clamped in the rectangular mounting hole, a stepping motor 2 and a bearing plate 13 are respectively fixed on the two ends of the liquid storage tank 17, on the upper surface of the collection box 1, a transmission rod 14 is fixed on the end portion of an output shaft of the stepping motor 2, a hexagonal prism fixing sleeve is sleeved in the middle of the transmission rod 14, two hinge plate boxes 7 with opposite openings and mutually centrosymmetric are fixed on one side of the hexagonal prism fixing sleeve away from the transmission rod 14, and the hinge plate boxes 7 are respectively provided with a film frame 9, so that when a user starts playing music, music generated at a piano back frame impacts the surface of a colored bubble film in the film frame 9 in a sound wave manner, the amplitude of the bubbling films with different sound volumes and the waving of the surface color are different, so that the sound quality of the played music is judged.

In the invention, the lower surface of the collecting box 1 is provided with a notch which penetrates through the front and the back, and a clamping piece 18 with a downward and inclined channel steel-shaped structure is clamped in the notch.

Wherein, the top of fastener 18 is close to both ends and all inlays and is equipped with the downward location bucket 1802 of opening, and the bottom opening part sliding connection of location bucket 1802 has interior slider 1804, the bottom of interior slider 1804 is opened there is spherical groove, and the rotation of spherical groove is connected with ball 1806, and be fixed with compression spring 1803 between the top of interior slider 1804 and the barrel head of location bucket 1802, the inner wall of fastener 18 is close to bottom opening part reservation has buffer strip 1805, thereby can shelter from when the bent register needs shift position to the stand 1801 top when using when the device, only need stir a little distance about stand 1801 top, and can be according to the drumming effect of sound production position adjusting device to most adapted position in order to increase the bubble membrane.

Wherein, the membrane frame 9 comprises a first supporting rod and a second supporting rod which are mutually symmetrical and respectively rotatably connected in the hinge plate box 7, a same spring rope 10 is fixed between the top ends of the opposite sides of the first supporting rod and the second supporting rod, a pull rope 12 is fixed between the root parts of the first supporting rod and the second supporting rod, the front side close to the bottom end of the hinge plate box 7 is provided with a front shaft hole 701 and a rear shaft hole 701 which penetrate through, a movable hinge shaft is inserted in the shaft holes 701, the outer walls of the two sides far away from the hinge plate box 7 are respectively fixed with a fixed pull rod 5, one side of the fixed pull rod 5 close to the hinge plate box 7 is respectively fixed with a tension spring 901, one ends of the two tension spring 901 far away from the fixed pull rod 5 are respectively fixed on the side surfaces of the first supporting rod and the second supporting rod, the side surfaces of the first supporting rod and the second supporting rod are respectively fixed with spring clamping blocks which are matched with the hooks at the end parts of the tension spring 901, thereby when the two supporting rods are reused, the first supporting rod and the second supporting rod can be stretched under the action of the two tension spring springs 901 after water is discharged, further, the bubble film is developed so as to block more area of sound waves, and the effect is improved.

Wherein, one side of the first support rod and the opposite side of the second support rod are both fixed with continuously fluctuating hair protrusions 11, which can increase the water absorption effect of the first support rod and the second support rod and enable the bubble film to stay for a longer time.

The top end of the liquid storage tank 17 is fixed with a cover plate 3, the middle part of the cover plate 3 is fixed with a restriction hole 4 which is longitudinally distributed, and the width of the restriction hole 4 is larger than the width of the two support rods when the two support rods are combined.

Wherein, the both sides edge that the upper surface of apron 3 is close to about 4 front ends in hole is fixed with goat's horn shelves pole 8 of mutual symmetry respectively, and the distance between the top of two goat's horn shelves poles 8 is greater than the span between two spinal branch poles one and two tops of branch, thereby can be when the use is that the transfer line 14 drives the decline of membrane frame 9 and is stained with bubble water, can retrieve to being close the merge state under goat's horn shelves pole 8's effect, thereby can be stained with more bubble water, and can reduce reservoir 17 open area, reduce the dust and fall inside.

The working principle is as follows: when the piano back frame is used, when a user starts to play music, music generated at the piano back frame continuously impacts the surface of the colored bubble film which is wrapped in the film frame 9 in a sound wave mode, at the moment, the waving amplitude of the bubble film with different sound volumes and the waving of the surface color are different, the tone quality of the played music is judged, and when the sound volume is perfectly thick, the waving frequency of the bubble film is low and the waving amplitude is large.

Example 2

Referring to fig. 6-7, an auxiliary device for sound information collection based on piano playing identification, this embodiment compares with embodiment 1, and further includes that a recording box 15 is fixed near the front at the top end of the collection box 1, and a recording hole 16 is provided on the surface of the recording box 15, a loudspeaker 21 is fixed on the upper surface of the collection box 15 right in front of the restriction hole 4, and the loudspeaker 21 is connected with the signal output end of the recording box 15 through a signal line.

Wherein, the back of gathering box 1 is provided with two symmetrical slide rails 19 of each other, and sliding connection has sound wave formation of image screen 20 between two slide rails 19, can draw the sound wave clearly and turn into the broken line, comes the direct characteristic of judging sound according to crest and trough.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.