JP3149355B2 - Air supply device for recorder automatic performance device - Google Patents
Air supply device for recorder automatic performance deviceInfo
- Publication number
- JP3149355B2 JP3149355B2 JP10441396A JP10441396A JP3149355B2 JP 3149355 B2 JP3149355 B2 JP 3149355B2 JP 10441396 A JP10441396 A JP 10441396A JP 10441396 A JP10441396 A JP 10441396A JP 3149355 B2 JP3149355 B2 JP 3149355B2
- Authority
- JP
- Japan
- Prior art keywords
- compressed air
- adjustment
- adjusting
- chamber
- recorder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Air Conditioning Control Device (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、リコーダーを保持
した上で、予め用意された演奏用のプログラムに従い、
その歌口に必要な圧縮空気を供給しつつ、指穴及び裏穴
を開閉して、自動演奏するためのリコーダーの自動演奏
装置に於いて用いられるリコーダーの自動演奏装置用空
気供給装置に関するものである。BACKGROUND OF THE INVENTION The present invention relates to a method for playing a music program in accordance with a performance program prepared in advance while holding a recorder.
The present invention relates to an air supply device for an automatic playing device of a recorder used in an automatic playing device of a recorder for automatically playing by opening and closing a finger hole and a back hole while supplying necessary compressed air to the singing mouth. is there.
【０００２】[0002]
【従来の技術】鍵盤楽器や打楽器の一部、例えば、ピア
ノや木琴等には、その自動演奏装置が開発され、既に販
売されているが、リコーダーを含めて管楽器の自動演奏
装置は未だ存在していない。そこで本件発明者は、管楽
器の中でもごく一般的なリコーダーの自動演奏装置の研
究を行ない、その開発を行なった。その際、この自動演
奏装置に於いて、先ずリコーダーから音を出すために、
単に圧縮空気を供給するのみでは、風切り音のような音
を発するのみで、正常な楽音が生じないことが分かり、
更には音階によって適切に流量を調整する必要のあるこ
とも知るに至った。2. Description of the Related Art Automatic performance devices for some keyboard instruments and percussion instruments, such as pianos and xylophones, have been developed and sold, but automatic performance devices for wind instruments including recorders still exist. Not. The inventor of the present invention has researched and developed an automatic playing device for a recorder which is very common among wind instruments. At this time, in this automatic performance device, first, to make sound from the recorder,
It turns out that simply supplying compressed air only produces a sound like wind noise and does not produce normal musical sounds.
Furthermore, they came to know that it is necessary to appropriately adjust the flow rate depending on the scale.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、リコーダー
の自動演奏装置に於いて、音を発生させるために最も重
要な要素である空気供給装置を開発し提供することを解
決の課題とするものであり、より詳しくは、コンプレッ
サ等の圧縮空気の発生装置で発生させた圧縮空気をリコ
ーダーに於いて音を発生するために適切な性質を持った
圧縮空気に調整する調整手段を開発し、これを備えた空
気供給装置を提供することを解決の課題とするものであ
り、更には、前記研究の結果知り得た音階毎に異なる流
量への調整を演奏速度に適合し得るスピーディな動作で
行ない得るバルブ機構を開発し、これを備えた空気供給
装置を提供することを解決の課題とするものである。SUMMARY OF THE INVENTION It is an object of the present invention to develop and provide an air supply device which is the most important element for generating a sound in a recorder automatic performance device. More specifically, we have developed an adjusting means to adjust compressed air generated by a compressed air generator such as a compressor to compressed air with appropriate properties to generate sound in a recorder. It is another object of the present invention to provide an air supply device having an air supply device.Furthermore, it is possible to perform adjustment to a different flow rate for each scale obtained as a result of the above research by a speedy operation that can be adapted to a playing speed. It is an object of the present invention to develop a valve mechanism for obtaining the same and provide an air supply device provided with the valve mechanism.
【０００４】[0004]
【課題を解決するための手段】本発明は、圧縮空気発生
部と、該圧縮空気発生部で発生した圧縮空気の流量を調
整する流量調整部と、圧縮空気の流れを整流する整流部
と、該整流部から供給される整流された圧縮空気をリコ
ーダーの歌口に供給すべく該歌口に接続するための接続
部とで構成し、前記整流部を、圧縮空気の流路の途中に
該流路に直交する状態で配した整流板であって、その表
裏に貫通し、かつ相互に平行である複数の整流細孔を備
えた整流板で構成したリコーダーの自動演奏装置用空気
供給装置に於いて、 前記流量調整部を、円柱状空間を有
する調整部本体と、上記調整部本体の円柱状空間内に軸
心を回転中心として回転自在に配した調整円柱と、上記
調整円柱の軸方向途中の側部を切欠いて前記円柱状空間
の内面との間に形成した調整室と、前記調整部本体中
に、前記円柱状空間の軸方向と直交する方向に広いスリ
ット状に構成した調整空隙であって、該円柱状空間の前
記調整室の内周を兼ねる内周面から該調整室内に開口す
る調整空隙と、前記調整部本体に形成した圧縮空気の入
力路であって、前記調整室に連通する圧縮空気の入力路
と、前記調整部本体に形成した調整圧縮空気の出力路で
あって、前記調整空隙に連通する出力路と、前記調整円
柱をその軸心を回転中心として回転させる回転駆動部と
で構成したリコーダーの自動演奏装置用空気供給装置で
ある。According to the present invention, there is provided a compressed air generating section, a flow rate adjusting section for adjusting a flow rate of compressed air generated in the compressed air generating section, a rectifying section for rectifying a flow of the compressed air, constituted by a connecting portion for connecting to該歌port to supply to the mouthpiece of the recorder compressed air is rectified is supplied from the rectifying unit, the rectification unit, the midway of the flow path of the compressed air a rectifying plate disposed in a state orthogonal to the flow path, through its front and back, and another automatic performance device air supply device recorder configured by the rectifier plate having a plurality of rectifying pores are parallel In this case, the flow rate adjusting section has a cylindrical space.
The adjustment unit body to be mounted and the shaft in the cylindrical space of the adjustment unit body
Adjustable cylinder rotatably arranged with the center of rotation as the center of rotation and the above
The cylindrical space is cut off at the side part of the adjustment cylinder in the axial direction.
An adjusting chamber formed between the adjusting portion and the inner surface of the adjusting portion;
A wide slot in a direction orthogonal to the axial direction of the cylindrical space.
Adjustment cavity formed in a slot shape, and is in front of the cylindrical space.
Open the inside of the adjustment chamber from the inner peripheral surface that also serves as the inner circumference of the adjustment chamber.
Adjusting air gap and compressed air formed in the adjusting portion main body.
A power path, an input path for compressed air communicating with the adjustment chamber;
And the output path of the adjusted compressed air formed in the adjusting section main body.
An output path communicating with the adjustment gap;
An air supply device for an automatic performance device of a recorder, comprising a rotation drive unit for rotating a column about its axis as a rotation center .
【０００５】したがってこのリコーダーの自動演奏装置
用空気供給装置を使用する場合は、その接続部にリコー
ダーの歌口を接続して、これを動作させれば、選択され
た音階に適合する流量の良好な性質を持った圧縮空気を
該リコーダーに供給し得、良好な演奏を行わせることが
可能となる。即ち、この場合は、圧縮空気発生部で必要
な圧縮空気が発生され、その圧縮空気が、流量調整部
で、選択された音階に適合する流量に調整されて整流部
に導入され、それまでの流れの方向の乱れた圧縮空気
が、該整流部の整流板に開口された整流細孔を通じて接
続部側に流れ、その過程で該圧縮空気が整流されて一定
方向の流れに統一されることとなる。しかしてリコーダ
ーには適切な流量の良好に整流された空気が供給され、
美しい音を発することができることとなるものである。
なお前記流量調整部の動作を若干詳細に述べる。 該流量
調整部に於いては、その回転駆動部を動作させ、前記調
整円柱を適切な角度に回転させることにより、前記調整
室と前記調整空隙との連通部分の断面積を自由に調整で
きるようになっている。それ故、回転駆動部として、そ
の回転角を自由に定め得、かつその動作がスピーディに
行われ得るものを採用すれば、圧縮空気の流量を自由に
かつスピーディに調整することができる。したがってテ
ンポの速い曲にも容易に追随する事ができることとな
る。またスタッカートを含む曲の演奏も容易に行い得ら
れることとなる。 [0005] Therefore, when using the air supply device for an automatic performance device of this recorder, a singing mouth of the recorder is connected to the connection portion thereof, and if this is operated, a good flow rate suitable for the selected musical scale can be obtained. Compressed air having such properties can be supplied to the recorder, and a good performance can be performed. That is, in this case, the required compressed air is generated in the compressed air generating unit, and the compressed air is adjusted in the flow adjusting unit to a flow rate suitable for the selected musical scale and introduced into the rectifying unit. The compressed air whose flow direction has been disturbed flows to the connecting portion side through the flow regulating holes opened in the flow regulating plate of the flow regulating portion, and in the process, the compressed air is regulated and unified into a flow in a certain direction. Become. The recorder is then supplied with a good flow of well-rectified air,
It will be able to emit beautiful sounds.
The operation of the flow rate adjusting section will be described in some detail. The flow rate
In the adjustment section, the rotation drive section is operated, and the adjustment is performed.
The adjustment can be done by rotating the cylinder to the appropriate angle.
The cross-sectional area of the communicating part between the chamber and the adjustment gap can be freely adjusted.
I am able to do it. Therefore, as a rotary drive,
Can freely determine the rotation angle of the
By adopting what can be done, you can freely control the flow rate of compressed air
It can be adjusted quickly. Therefore
It will be able to easily follow a song with a high speed
You. Also, it is easy to perform songs including staccato.
It will be.
【０００６】ところで、以上のリコーダーの自動演奏装
置用空気供給装置に於いて、前記整流板の厚みを１mm以
上とし、整流細孔の直径を０．２〜０．３５mmとした場
合には、流れの方向の乱れた圧縮空気を適切に整流し
得、リコーダーに良好な音を発生させ得ることとなるも
のである。In the above-described air supply device for an automatic performance device of a recorder, when the thickness of the rectifying plate is 1 mm or more and the diameter of the rectifying pore is 0.2 to 0.35 mm, the flow In this case, the compressed air whose direction is disturbed can be appropriately rectified, and a good sound can be generated in the recorder.
【０００７】[0007]
【０００８】更に前記調整室を、前記調整円柱の軸方向
途中を１８０度分切り欠いて前記円柱状空間の内周面と
の間に構成し、かつ前記調整空隙の前記円柱状空間の軸
方向に直交する方向の幅を該円柱状空間の直径と一致さ
せた場合には、調整円柱を０〜１８０度まで回転させる
ことにより、１００％〜０％まで圧縮空気の流量を無段
階でかつ正確に調整することができる。しかも前記のよ
うにこれは調整円柱を回転させるだけで行ない得られる
ものである。Further, the adjusting chamber is formed by notching the middle of the adjusting cylinder in the axial direction by 180 degrees and between the inner peripheral surface of the cylindrical space and the adjusting space in the axial direction of the cylindrical space. When the width in the direction perpendicular to the diameter is made equal to the diameter of the cylindrical space, the adjusting cylinder is rotated from 0 to 180 degrees, so that the flow rate of the compressed air can be continuously and accurately adjusted from 100% to 0%. Can be adjusted. Moreover, as described above, this can be achieved simply by rotating the adjusting cylinder.
【０００９】更にまた前記調整円柱に於いて、前記調整
室の軸方向の隣接部位に中心軸部を残して周囲の３６０
度を切り欠くことで上記調整室に連通する圧縮空気導入
室を構成し、前記調整部本体に形成した圧縮空気の入力
路を上記圧縮空気導入室を介して前記調整室に連通する
こととした場合には、上記圧縮空気の入力路を、圧縮空
気導入室の内面を構成することとなる円柱状空間の内周
面に開口しておけば、前記調整円柱を３６０度のいずれ
の回転角に回転させた場合にも調整室内に同量の圧縮空
気を導入することができる。Further, in the adjusting cylinder, a central shaft portion is left at a position adjacent to the adjusting chamber in the axial direction, and the surrounding 360 degrees are formed.
By forming a compressed air introduction chamber communicating with the adjustment chamber by cutting out the degree, the input path of the compressed air formed in the adjustment unit main body is communicated with the adjustment chamber via the compressed air introduction chamber. In this case, if the input path of the compressed air is opened in the inner peripheral surface of the cylindrical space that forms the inner surface of the compressed air introduction chamber, the adjusting cylinder can be rotated at any rotation angle of 360 degrees. When rotated, the same amount of compressed air can be introduced into the control chamber.
【００１０】前記回転駆動部を、ステッピングモータで
構成すれば、調整円柱を所望の回転角度に容易にかつス
ピーディに回転させることができるので、スピーディに
圧縮空気の調整を行なうことができる。If the rotation drive section is constituted by a stepping motor, the adjusting cylinder can be easily and quickly rotated to a desired rotation angle, so that the compressed air can be adjusted quickly.
【００１１】[0011]
【発明の実施の形態】以下発明の実施の形態を、実施例
に基づき図面を参照しつつ詳細に説明する。図１〜図６
は本発明の一実施例を示すもので、そのうち、図１〜図
５は空気供給装置を、図６はその空気供給装置を用いた
リコーダーの自動演奏装置の概要を、それぞれ示してい
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings based on embodiments. 1 to 6
FIG. 1 shows an embodiment of the present invention, in which FIGS. 1 to 5 show an air supply device, and FIG. 6 shows an outline of an automatic performance device of a recorder using the air supply device.
【００１２】この実施例のリコーダーの自動演奏装置用
空気供給装置は、図１に示すように、圧縮空気発生部１
と、その出力圧縮空気の流量を調整する流量調整部２
と、該流量調整部２で流量調整された圧縮空気の流れを
一定方向に整流する整流部３と、整流された圧縮空気を
リコーダー４の歌口５に供給すべく接続する該歌口５と
の接続部６とを基本的構成要素として構成するものであ
る。前記圧縮空気発生部１と流量調整部２との間及び流
量調整部２と整流部３との間に圧縮空気の通路である配
管が配してあるのは云うまでもない。As shown in FIG. 1, an air supply device for an automatic performance device of a recorder according to this embodiment has a compressed air generator 1 as shown in FIG.
And a flow rate adjusting unit 2 for adjusting the flow rate of the output compressed air.
A rectifying unit 3 for rectifying the flow of the compressed air, the flow rate of which has been adjusted by the flow rate adjusting unit 2, in a certain direction; and the singing mouth 5 connected to supply the rectified compressed air to the singing mouth 5 of the recorder 4. And the connecting portion 6 as a basic component. It goes without saying that piping, which is a passage of compressed air, is arranged between the compressed air generator 1 and the flow regulator 2 and between the flow regulator 2 and the rectifier 3.
【００１３】前記整流部３は、断面ほぼ長方形のゴム系
の素材からなる筒体７とこの筒体７の内部途中に直交状
態に配した整流板８とで構成したものである。上記整流
板８の外形は、図２に示すように、前記筒体７の断面内
部形状と一致するほぼ長方形（角部を丸めた）に形成し
たものであり、表裏に連通する多数の整流細孔９、９…
を備えたものでもある。これらの整流細孔９、９…は相
互に平行であり、圧縮空気の流路を構成する筒体７の軸
方向と平行になるように、整流板８の表裏面と直交する
向きに形成してあるものである。この実施例では、整流
板８は、縦５mm、横１０mm、厚み１mmに構成し、整流細
孔９はその直径を０．３mmとし、かつ該整流板８に該整
流細孔９を、０．５mmのピッチで縦横に構成したもので
ある。The rectifying section 3 is composed of a cylindrical body 7 made of a rubber-based material having a substantially rectangular cross section, and a rectifying plate 8 arranged in the middle of the cylindrical body 7 in an orthogonal state. As shown in FIG. 2, the outer shape of the rectifying plate 8 is formed in a substantially rectangular shape (rounded corners) that matches the internal shape of the cross section of the cylindrical body 7, and a large number of rectifying fines communicating with the front and back sides. Hole 9, 9, ...
It is also equipped with. Are formed in a direction perpendicular to the front and back surfaces of the current plate 8 so as to be parallel to each other and to be parallel to the axial direction of the cylindrical body 7 constituting the flow path of the compressed air. It is. In this embodiment, the rectifying plate 8 has a length of 5 mm, a width of 10 mm, and a thickness of 1 mm, the rectifying hole 9 has a diameter of 0.3 mm, and the rectifying plate 8 has a rectifying hole 9 of 0.1 mm. It is configured vertically and horizontally at a pitch of 5 mm.
【００１４】前記接続部６は、図１に示すように、前記
筒体７の延長部であり、対象とするリコーダー４の歌口
５のサイズに合わせて開口してあるものである。前記の
ようにゴム系の素材で構成され、リコーダー４の歌口５
を挿入するとその周囲と接続部６の周囲とが密着するよ
うになっている。As shown in FIG. 1, the connecting portion 6 is an extension of the cylindrical body 7 and is opened in accordance with the size of the singing mouth 5 of the target recorder 4. As mentioned above, the singing mouth 5 of the recorder 4
Is inserted, the periphery thereof and the periphery of the connection portion 6 come into close contact with each other.
【００１５】前記流量調整部２は、図３に示すように、
円柱状空間１０を有する調整部本体１１と、該円柱状空
間１０内に回転自在に配した調整円柱１２と、該調整円
柱１２の軸方向途中の側部を１８０度分切り欠いて円柱
状空間１０の内周面との間に形成した調整室１３と、調
整部本体１１中に、円柱状空間１０の軸方向と直交する
方向に広いスリット状に構成し、該円柱状空間１０の前
記調整室１３の内周面を兼ねる部位に開口する調整空隙
１４と、前記調整部本体１１に形成し、調整室１３に連
通する後記圧縮空気導入室１６と連通する圧縮空気の入
力路１５と、前記調整円柱１２の調整室１３の上部側を
中心軸部を残して３６０度を切り欠き、該調整室１３に
連通状態とすべく構成した圧縮空気導入室１６と、前記
調整部本体１１に形成した、前記調整空隙１４に連通す
る出力路１７と、前記調整円柱１２をその軸心を回転中
心として回転させるステッピングモータからなる回転駆
動部１８とで構成したものである。[0015] As shown in FIG.
An adjusting section main body 11 having a cylindrical space 10, an adjusting cylinder 12 rotatably arranged in the cylindrical space 10, and a cylindrical space formed by cutting out a side portion of the adjusting cylinder 12 in the axial direction by 180 degrees. The adjustment chamber 13 formed between the inner space of the cylindrical space 10 and the adjusting section main body 11 are formed in a wide slit shape in a direction orthogonal to the axial direction of the cylindrical space 10, and the adjustment of the cylindrical space 10 is performed. An adjusting gap 14 opening at a portion also serving as an inner peripheral surface of the chamber 13, an input passage 15 for compressed air formed in the adjusting portion main body 11 and communicating with a compressed air introducing chamber 16 described later communicating with the adjusting chamber 13, The upper part of the adjustment chamber 13 of the adjustment cylinder 12 is cut out at 360 degrees while leaving the central shaft portion, and is formed in the compressed air introduction chamber 16 configured to be in communication with the adjustment chamber 13 and the adjustment part main body 11. An output path 17 communicating with the adjustment gap 14, The serial adjustment cylinder 12 which is constituted by a rotation drive unit 18 composed of a stepping motor for rotating the axis thereof as the center of rotation.
【００１６】前記調整室１３は、前記し、かつ図３及び
図５に示すように、前記調整円柱１２の軸方向途中の側
部を１８０度分切り欠いて形成した空間であり、図５に
示すように、平面から見て半円形をなす空間である。そ
の半円弧面をなす内周面は、図３〜図５に示し、かつ前
記したように、前記円柱状空間１０の内周面が兼ねてい
るものである。なおこの調整室１３は、以上のように、
調整円柱１２を切り欠いて構成したものであるから、該
調整円柱１２を回転させると、それに伴って回転方向に
位置を変えるものである。例えば、調整円柱１２を６０
度程度、反時計廻りに回転させると、図５中、一点鎖線
で示したように、位置が変わることとなるものである。As shown in FIGS. 3 and 5, the adjustment chamber 13 is a space formed by cutting out a side part of the adjustment cylinder 12 in the axial direction by 180 degrees. As shown, the space is a semicircle when viewed from a plane. The inner peripheral surface forming the semicircular arc surface is shown in FIGS. 3 to 5 and, as described above, also serves as the inner peripheral surface of the columnar space 10. In addition, this adjustment room 13 is, as described above,
Since the adjusting cylinder 12 is cut away, when the adjusting cylinder 12 is rotated, the position is changed in the rotation direction accordingly. For example, if the adjustment cylinder 12 is 60
When rotated counterclockwise by about a degree, the position changes as shown by the dashed line in FIG.
【００１７】また前記調整空隙１４は、前記したよう
に、調整部本体１１中に、円柱状空間１０の軸方向と直
交する方向に広いスリット状に構成するものであるが、
その幅を、図５に示すように、該円柱状空間１０又はこ
れに回転自在に装入してある前記調整円柱１２の直径と
一致させることとする。そして前記したように、前記調
整室１３のあり得る位置と同一高さで円柱状空間１０内
に開口させることとする。しかして前記調整円柱１２を
回転させて、前記調整空隙１４の開口部の全体が前記調
整室１３中に開口状態になる状態、即ち、図５中、実線
で示す状態にすることができ、かつその状態から徐々に
調整円柱１２を回転させて、調整空隙１４の開口部の該
調整室１３への開口割合を減じて行き、１８０度の回転
で開口割合を０とすることができる。即ち、調整円柱１
２を０〜１８０度まで回転させることにより、１００％
〜０％まで圧縮空気の流量を無段階でかつ正確に調整す
ることができる。As described above, the adjusting space 14 is formed in the adjusting portion main body 11 in a slit shape wide in a direction orthogonal to the axial direction of the cylindrical space 10.
As shown in FIG. 5, the width of the width is made to match the diameter of the cylindrical space 10 or the diameter of the adjusting cylinder 12 rotatably mounted in the space. Then, as described above, the opening is made into the cylindrical space 10 at the same height as the possible position of the adjustment chamber 13. Then, by rotating the adjusting cylinder 12, the entire opening of the adjusting gap 14 can be opened into the adjusting chamber 13, that is, a state shown by a solid line in FIG. 5, and From this state, the adjusting cylinder 12 is gradually rotated to reduce the opening ratio of the opening of the adjusting gap 14 to the adjusting chamber 13, and the opening ratio can be reduced to 0 by rotating by 180 degrees. That is, the adjustment cylinder 1
By rotating 2 from 0 to 180 degrees, 100%
The flow rate of the compressed air can be adjusted steplessly and accurately up to 0%.
【００１８】また前記出力路１７は、図３及び図５に示
すように、前記調整空隙１４の下面から調整部本体１１
外に延びる通路として構成し、整流部３に連通する配管
を接続する。As shown in FIGS. 3 and 5, the output path 17 extends from the lower surface of the adjusting gap 14 to the adjusting section main body 11.
It is configured as a passage extending outside, and a pipe communicating with the rectification unit 3 is connected.
【００１９】前記圧縮空気導入室１６は、前記したよう
に、前記調整円柱１２の調整室１３の上部側を中心軸部
を残して３６０度切り欠いて構成した空間であり、図４
に示すように、平面から見てドーナツ型の空間となって
いる。したがって前記調整円柱１２をどのような角度に
回転させても常にその形状は変わらずドーナツ型を維持
する。前記圧縮空気の入力路１５は、前記したように、
前記調整部本体１１に形成するものであり、その内端は
ドーナツ型の前記圧縮空気導入室１６の周側部に開口さ
せ、外端は前記調整部本体１１の外周に開口するもので
あり、前記圧縮空気発生部１との間を接続する配管と結
合する。しかして前記圧縮空気導入室１６は、前記のよ
うに、調整円柱１２を如何なる角度に回転させてもドー
ナツ型を維持し得るので、その周側部に開口する圧縮空
気の入力路１５は常にこれと充分な連通状態を保持し
得、かつ圧縮空気導入室１６は、前記調整室１３と連通
状態で隣接しているので、該入力路１５は常時調整室１
３と充分な連通状態を保持し得るものである。As described above, the compressed air introduction chamber 16 is a space in which the upper side of the adjustment chamber 13 of the adjustment cylinder 12 is cut out by 360 degrees while leaving the central shaft portion.
As shown in the figure, it is a donut-shaped space when viewed from a plane. Therefore, no matter what angle the adjusting cylinder 12 is rotated, its shape is not changed and the donut shape is maintained. The compressed air input path 15 is, as described above,
It is formed on the adjusting section main body 11, the inner end of which is opened on the peripheral side of the donut-shaped compressed air introduction chamber 16, and the outer end is opened on the outer circumference of the adjusting section main body 11, It connects with the piping which connects between the said compressed air generation parts 1. As described above, the compressed air introduction chamber 16 can maintain a donut shape even when the adjusting cylinder 12 is rotated at any angle, as described above. And the compressed air introduction chamber 16 is adjacent to the adjustment chamber 13 in communication with the adjustment path 13, so that the input path 15 is always in the adjustment chamber 1.
3 can maintain a sufficient communication state.
【００２０】前記圧縮空気発生部１は、コンプレッサを
利用して一般の技法によって構成したものである。The compressed air generator 1 is constructed by a general technique using a compressor.
【００２１】このリコーダーの自動演奏装置用空気供給
装置は、図６に示すように、リコーダーの自動演奏装置
に適用することができる。圧縮空気発生部１、流量調整
部２、整流部３及び接続部６は既述の通りである。更に
この自動演奏装置には、リコーダー４の各指穴ｆ１、ｆ
２、ｆ３、ｆ４、ｆ５、ｆ６、ｆ７及び裏穴ｆ０を開閉
する８本の作動片ｓ０、ｓ１、ｓ２、ｓ３、ｓ４、ｓ
５、ｓ６、ｓ７と、これらを起伏駆動する作動片駆動部
ｄ１、ｄ２と、前記圧縮空気発生部１、流量調整部２及
び作動片駆動部ｄ１、ｄ２の動作を制御する制御部１９
と、演奏用のデータ及び制御のプログラムが格納された
記憶部２０と、データその他の入力手段２１とが備えら
れている。The air supply device for an automatic performance device of a recorder can be applied to an automatic performance device of a recorder as shown in FIG. The compressed air generating unit 1, the flow rate adjusting unit 2, the rectifying unit 3, and the connecting unit 6 are as described above. Further, the automatic performance device has respective finger holes f1, f of the recorder 4.
Eight operating pieces s0, s1, s2, s3, s4, s for opening and closing 2, f3, f4, f5, f6, f7 and back holes f0.
5, s6, s7, operating piece driving sections d1, d2 for driving these up and down, and a control section 19 for controlling the operations of the compressed air generating section 1, the flow rate adjusting section 2, and the operating piece driving sections d1, d2.
And a storage unit 20 for storing performance data and a control program, and data and other input means 21.
【００２２】前記作動片駆動部ｄ１、ｄ２は、対応する
数のソレノイドを用いて前記作動片ｓ０、ｓ１、ｓ２、
ｓ３、ｓ４、ｓ５、ｓ６、ｓ７を起伏駆動するものであ
るが、ここでは本発明に直接関係しないので、詳しい説
明は省略する。また前記記憶部２０はＲＯＭ及びＲＡＭ
並びにハードディスク等から構成され、データその他の
入力手段２１はキーボードその他の手段から構成され
る。The operating piece drive units d1 and d2 use a corresponding number of solenoids to operate the operating pieces s0, s1, s2,
Although the s3, s4, s5, s6, and s7 are driven up and down, they are not directly related to the present invention, and a detailed description thereof will be omitted. The storage unit 20 includes a ROM and a RAM.
The data and other input means 21 includes a keyboard and other means.
【００２３】しかして前記記憶部２０に格納されたプロ
グラム及び演奏用のデータに基づき前記制御部１９が動
作して、前記圧縮空気発生部１、流量調整部２、及び作
動片駆動部ｄ１、ｄ２を制御し、リコーダー４による所
定の楽曲の演奏を行なうことができることとなる。The control unit 19 operates based on the program and performance data stored in the storage unit 20 to generate the compressed air generating unit 1, the flow rate adjusting unit 2, and the operating piece driving units d1, d2. , And the recorder 4 can play a predetermined music piece.
【００２４】即ち、圧縮空気発生部１で必要な圧縮空気
が発生させられ、これが次の流量調整部２に導入され、
ここで、導入された圧縮空気はリコーダー４の歌口５に
供給すべき流量に調整されて前記整流部３に供給され
る。整流部３では、ここを通過して接続部６に至る間に
圧縮空気の流れが一定方向を向くものに整流され、該接
続部６に接続されたリコーダー４の歌口５に適切な流量
の整流された圧縮空気が供給され、美しい音を発するこ
とができることとなる。That is, the required compressed air is generated in the compressed air generating section 1 and introduced into the next flow rate adjusting section 2.
Here, the introduced compressed air is adjusted to a flow rate to be supplied to the singing mouth 5 of the recorder 4 and supplied to the rectification unit 3. In the rectifying unit 3, the flow of the compressed air is rectified in a certain direction while passing therethrough to reach the connection unit 6, and the flow of compressed air having a proper flow rate is supplied to the singing mouth 5 of the recorder 4 connected to the connection unit 6. The rectified compressed air is supplied, and a beautiful sound can be emitted.
【００２５】リコーダー４の歌口５に供給されるべき圧
縮空気の流量は、音階によって異なり、これは実験的に
定めることができる。したがってこれを予め音階毎に実
験的に定めておき、前記作動片駆動部ｄ１、ｄ２による
作動片ｓ０、ｓ１、ｓ２、ｓ３、ｓ４、ｓ５、ｓ６、ｓ
７の各指穴ｆ１、ｆ２、ｆ３、ｆ４、ｆ５、ｆ６、ｆ７
及び裏穴ｆ０に対する開閉動作に連動して、各時点の開
閉動作に対応する音階用の圧縮空気の流量に調整すべく
流量調整部２を制御するものである。かくして制御部１
９の制御動作により、順次楽曲データにしたがって所定
の音階の音を発すべく、前記作動片駆動部ｄ１、ｄ２が
作動片ｓ０、ｓ１、ｓ２、ｓ３、ｓ４、ｓ５、ｓ６、ｓ
７を起伏駆動し、同時に流量調整部２が圧縮空気の流量
を調整する。こうして順次楽曲データにしたがって動作
し、当該の楽曲の演奏が行なわれることになる。The flow rate of the compressed air to be supplied to the singing mouth 5 of the recorder 4 depends on the musical scale, and can be determined experimentally. Therefore, this is experimentally determined in advance for each musical scale, and the operating pieces s0, s1, s2, s3, s4, s5, s6, and s by the operating piece drive units d1 and d2.
7, finger holes f1, f2, f3, f4, f5, f6, f7
In conjunction with the opening / closing operation for the back hole f0, the flow controller 2 is controlled to adjust the flow rate of the compressed air for the scale corresponding to the opening / closing operation at each time. Thus, the control unit 1
By the control operation of No. 9, the operating piece drive units d1 and d2 are operated by the operating pieces s0, s1, s2, s3, s4, s5, s6, and s in order to sequentially emit sounds of a predetermined scale in accordance with the music data.
7 is driven up and down, and at the same time, the flow rate adjusting unit 2 adjusts the flow rate of the compressed air. In this way, the operation is sequentially performed according to the music data, and the performance of the music is performed.
【００２６】ところで前記整流部３に於いては、流量調
整部２で流量が調整されてはいるが、図１に矢印で示す
ように、方向の一定に定まっていない乱流状態の圧縮空
気を整流板８の整流細孔９、９…を通じて歌口５方向に
向かう一定方向を向いた圧縮空気に整流しているもので
あり、このような整流された圧縮空気を歌口５に供給す
ることができるようになったため、初めてリコーダー４
より美しい音を発することができるようになったもので
ある。In the rectifying section 3, although the flow rate is adjusted by the flow rate adjusting section 2, as shown by the arrow in FIG. The flow is rectified into compressed air directed in a certain direction toward the mouth 5 through the flow rectifying holes 9 of the flow straightening plate 8, and the rectified compressed air is supplied to the mouth 5. For the first time, recorder 4
It is possible to emit more beautiful sounds.
【００２７】また前記流量調整部２は、前記したよう
に、調整円柱１２を０〜１８０度まで回転させることに
より、前記調整空隙１４の前記調整室１３への開口割合
を１００〜０％まで変更することができるものであり、
これは前記回転駆動部１８を必要な角度まで回転駆動す
ることによりスピーディに行なうことができる。特にス
テッピングモータ等のパルスモータを用いることでこれ
を容易、確実、かつスピーディに実現することができる
ものである。したがってテンポの速い曲にもスタッカー
ト等を含む楽曲でも容易に演奏可能になるものである。Further, as described above, the flow rate adjusting section 2 changes the ratio of the opening of the adjusting gap 14 to the adjusting chamber 13 to 100 to 0% by rotating the adjusting column 12 from 0 to 180 degrees. Can be
This can be performed quickly by rotating the rotation drive unit 18 to a required angle. Particularly, by using a pulse motor such as a stepping motor, this can be easily, reliably, and speedily realized. Therefore, it is possible to easily play a song having a fast tempo or a song including a staccato.
【００２８】[0028]
【発明の効果】本発明のリコーダーの自動演奏装置用空
気供給装置によれば、コンプレッサのような圧縮空気の
発生装置で生成された方向の定まらない乱流状態の圧縮
空気であってもこれを一定の方向を持った圧縮空気に整
流することができるため、この圧縮空気を供給すること
でリコーダーにより美しい音を発せしめることができる
こととなったものである。また選択された音階に適合す
る流量の圧縮空気を該リコーダーに供給し得、その結
果、良好な演奏を行わせることが可能となったものであ
る。即ち、圧縮空気発生部で必要な圧縮空気が発生さ
れ、その圧縮空気が、流量調整部で、選択された音階に
適合する流量に調整されて整流部に導入され、それまで
の流れの方向の乱れた圧縮空気が、該整流部の整流板に
開口された整流細孔を通じて接続部側に流れ、その過程
で該圧縮空気が整流されて一定方向の流れに統一される
こととなる。しかしてリコーダーには適切な流量の良好
に整流された空気が供給され、美しい音を発することが
できることとなるものである。 なお前記流量調整部に於
いては、その回転駆動部を動作させ、前記調整円柱を適
切な角度に回転させることにより、前記調整室と前記調
整空隙との連通部分の断面積を自由に調整できるように
なっているため、回転駆動部として、その回転角を自由
に定め得、かつその動作がスピーディに行われ得るもの
を採用すれば、圧縮空気の流量を自由にかつスピーディ
に調整することができることとなる。したがって本発明
のリコーダーの自動演奏装置用空気供給装置を用いれ
ば、テンポの速い曲にも容易に追随する事ができること
となる。またスタッカートを含む曲の演奏も容易に行い
得られることとなる。 According to the air supply device for an automatic performance device of a recorder according to the present invention, even if the compressed air in a turbulent state in which the direction is not determined is generated by a compressed air generating device such as a compressor. it is possible to rectify the compressed air having a constant direction, in which a can can be: generating a more beautiful sound recorder by supplying the compressed air. Also fits the selected scale
A fixed flow rate of compressed air may be supplied to the recorder.
As a result, it became possible to perform good performance
You. That is, the required compressed air is generated at the compressed air generator.
The compressed air is sent to the selected scale by the flow controller.
Adjusted to the appropriate flow rate and introduced into the rectification section, until then
The compressed air whose flow direction is disturbed
It flows to the connection side through the opened rectifying pore, and the process
Rectifies the compressed air to unify the flow in a certain direction
It will be. But good flow rate for recorder
Rectified air is supplied to make beautiful sound
That is what you can do. In the flow rate adjustment section
Then, the rotation drive unit is operated to apply the adjustment cylinder
By rotating the adjustment chamber to a sharp angle,
The cross-sectional area of the communicating part with the air gap can be adjusted freely
The rotation angle can be freely set as a rotation drive unit
That can be determined in a timely manner and whose operation can be performed quickly
, The flow rate of compressed air can be adjusted freely and speedily.
Can be adjusted. Therefore, the present invention
Used air supply device for automatic performance device of recorder
Can easily follow fast-paced songs
Becomes You can also easily play songs including staccato
Will be obtained.
【００２９】なお前記整流板の厚みを１mm以上とし、整
流細孔の直径を０．２〜０．３５mmとした場合には、方
向の定まらない乱流状態の圧縮空気を一方向を向いた圧
縮空気の流れに整流し得、リコーダーに良好な音を発生
させ得る空気の流れとすることができる。整流板の厚み
は厚い方が整流効果は上がるが、必要以上に厚くする
と、圧縮空気の圧力を更に高める必要が生じることとな
る。 It should be noted the thickness of the rectifying plate and above 1 mm, when the diameter of the rectification pores was 0.2~0.35mm the compression oriented in one direction the compressed air of indeterminate turbulent direction An air flow that can rectify the air flow and generate good sound for the recorder can be provided. Although the rectifying effect increases as the thickness of the rectifying plate increases, if the rectifying plate is made thicker than necessary, it is necessary to further increase the pressure of the compressed air.
【００３０】[0030]
【００３１】更に前記調整室を、前記調整円柱の軸方向
途中を１８０度分切り欠いて前記円柱状空間の内面との
間に構成し、かつ前記調整空隙の前記円柱状空間の軸方
向に直交する方向の幅を該円柱状空間の直径と一致させ
た場合には、調整円柱を０〜１８０度まで回転させるこ
とにより、１００％〜０％まで圧縮空気の流量を無段階
でかつ正確に調整することができる。しかも前記のよう
にこれは調整円柱を回転させるだけで行ない得られるも
のである。The adjusting chamber is formed between the adjusting cylinder and the inner surface of the cylindrical space by cutting the middle of the adjusting cylinder in the axial direction by 180 degrees, and is perpendicular to the axial direction of the adjusting space in the adjusting space. When the width in the direction to be made coincides with the diameter of the cylindrical space, the flow rate of the compressed air is adjusted steplessly and accurately from 100% to 0% by rotating the adjusting cylinder from 0 to 180 degrees. can do. Moreover, as described above, this can be achieved simply by rotating the adjusting cylinder.
【００３２】更にまた前記調整円柱に於いて、前記調整
室の軸方向の隣接部位に中心軸部を残して周囲の３６０
度を切り欠くことで上記調整室に連通する圧縮空気導入
室を構成し、前記調整部本体に形成した圧縮空気の入力
路を上記圧縮空気導入室を介して前記調整室に連通する
こととした場合には、上記圧縮空気の入力路を、圧縮空
気導入室の内面を構成することとなる円柱状空間の内周
面に開口しておけば、前記調整円柱を３６０度のいずれ
の回転角に回転させた場合にも調整室内に同量の圧縮空
気を導入することができる。Further, in the adjusting cylinder, the central shaft portion is left at a position adjacent to the adjusting chamber in the axial direction, and the surrounding 360
By forming a compressed air introduction chamber communicating with the adjustment chamber by cutting out the degree, the input path of the compressed air formed in the adjustment unit main body is communicated with the adjustment chamber via the compressed air introduction chamber. In this case, if the input path of the compressed air is opened in the inner peripheral surface of the cylindrical space that forms the inner surface of the compressed air introduction chamber, the adjusting cylinder can be rotated at any rotation angle of 360 degrees. When rotated, the same amount of compressed air can be introduced into the control chamber.
【００３３】前記回転駆動部を、ステッピングモータで
構成すれば、調整円柱を所望の回転角度に容易にかつス
ピーディに回転させることができるので、スピーディに
圧縮空気の調整を行なうことができる。If the rotation drive section is constituted by a stepping motor, the adjustment cylinder can be easily and quickly rotated to a desired rotation angle, so that the compressed air can be adjusted quickly.
【図１】実施例のリコーダーの自動演奏装置用空気供給
装置の一部切欠側面説明図。FIG. 1 is a partially cutaway explanatory view of an air supply device for an automatic performance device of a recorder according to an embodiment.
【図２】実施例の整流板の正面説明図。FIG. 2 is an explanatory front view of the current plate of the embodiment.
【図３】実施例の流量調整部の一部断面説明図。FIG. 3 is a partial cross-sectional explanatory view of a flow rate adjusting unit of the embodiment.
【図４】図３のIV−IV線断面図。FIG. 4 is a sectional view taken along line IV-IV of FIG. 3;
【図５】図３のV−V線断面図。FIG. 5 is a sectional view taken along line VV of FIG. 3;
【図６】実施例のリコーダーの自動演奏装置の概念図。FIG. 6 is a conceptual diagram of an automatic performance device of the recorder of the embodiment.
１ 圧縮空気発生部 ２ 流量調整部 ３ 整流部 ４ リコーダー ５ 歌口 ６ 接続部 ７ 筒体 ８ 整流板 ９ 整流細孔 １０ 円柱状空間 １１ 調整部本体 １２ 調整円柱 １３ 調整室 １４ 調整空隙 １５ 入力路 １６ 圧縮空気導入室 １７ 出力路 １８ 回転駆動部 １９ 制御部 ２０ 記憶部 ２１ 入力手段 ｄ１、ｄ２ 作動片駆動部 ｆ１、ｆ２、ｆ３、ｆ４、ｆ５、ｆ６、ｆ７ 指穴 ｆ０ 裏穴 ｓ０、ｓ１、ｓ２、ｓ３、ｓ４、ｓ５、ｓ６、ｓ７ 作
動片DESCRIPTION OF SYMBOLS 1 Compressed air generation part 2 Flow rate adjustment part 3 Rectification part 4 Recorder 5 Singing mouth 6 Connection part 7 Cylindrical body 8 Rectification plate 9 Rectification pore 10 Cylindrical space 11 Adjustment part main body 12 Adjustment cylinder 13 Adjustment chamber 14 Adjustment gap 15 Input path Reference Signs List 16 compressed air introduction chamber 17 output path 18 rotation drive unit 19 control unit 20 storage unit 21 input means d1, d2 working piece drive unit f1, f2, f3, f4, f5, f6, f7 finger hole f0 back hole s0, s1, s2, s3, s4, s5, s6, s7 working piece
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) G10F 1/12 G10D 7/00 - 9/06 G10B 3/02 - 3/04 ──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. 7 , DB name) G10F 1/12 G10D 7 /00-9/06 G10B 3/02-3/04
Claims (4)
発生した圧縮空気の流量を調整する流量調整部と、圧縮
空気の流れを整流する整流部と、該整流部から供給され
る整流された圧縮空気をリコーダーの歌口に供給すべく
該歌口に接続するための接続部とで構成し、前記整流部
を、圧縮空気の流路の途中に該流路に直交する状態で配
した整流板であって、その表裏に貫通し、かつ相互に平
行である複数の整流細孔を備えた整流板で構成したリコ
ーダーの自動演奏装置用空気供給装置に於いて、 前記流量調整部を、 円柱状空間を有する調整部本体と、 上記調整部本体の円柱状空間内に軸心を回転中心として
回転自在に配した調整円柱と、 上記調整円柱の軸方向途中の側部を切欠いて前記円柱状
空間の内面との間に形成した調整室と、 前記調整部本体中に、前記円柱状空間の軸方向と直交す
る方向に広いスリット状に構成した調整空隙であって、
該円柱状空間の前記調整室の内周を兼ねる内周面から該
調整室内に開口する調整空隙と、 前記調整部本体に形成した圧縮空気の入力路であって、
前記調整室に連通する圧縮空気の入力路と、 前記調整部本体に形成した調整圧縮空気の出力路であっ
て、前記調整空隙に連通する出力路と、 前記調整円柱をその軸心を回転中心として回転させる回
転駆動部と、 で構成したリコーダーの自動演奏装置用空気供給装置。And 1. A compressed air generator, and a flow rate adjusting unit for adjusting the flow rate of the compressed air generated by the compressed air generator, a rectifier unit for rectifying the flow of compressed air, rectifying supplied from the rectifying unit And a connecting portion for connecting the compressed air to the mouth of the recorder so as to supply the air to the mouth of the recorder, and the rectifying portion is arranged in the middle of the passage of the compressed air in a state orthogonal to the passage. a was straightening vane, through its front and back, and another at the automatic musical instrument air supply device recorder configured by the rectifier plate having a plurality of rectifying pores are parallel, the flow rate adjusting unit the adjuster body having a cylindrical space, the rotation around the axial center in the cylindrical space of the adjusting unit body
An adjusting cylinder rotatably arranged, and the cylindrical shape formed by cutting out a side part of the adjusting cylinder in the axial direction.
An adjusting chamber formed between the inner surface of the space and the adjusting unit main body;
Adjustment slit configured in a wide slit shape in the direction
From the inner peripheral surface of the cylindrical space also serving as the inner periphery of the adjustment chamber,
An adjustment gap that opens into the adjustment chamber, and an input path for compressed air formed in the adjustment unit main body,
An input path for compressed air communicating with the adjustment chamber and an output path for adjusted compressed air formed in the adjustment section main body.
An output path communicating with the adjustment gap, and a circuit for rotating the adjustment cylinder about its axis as a rotation center.
An air supply device for an automatic performance device of a recorder, comprising a rolling drive unit .
中を１８０度分切り欠いて前記円柱状空間の内周面との
間に構成し、かつ前記調整空隙の前記円柱状空間の軸方
向に直交する方向の幅を該円柱状空間の直径と一致させ
た請求項１のリコーダーの自動演奏装置用空気供給装
置。2. The adjusting chamber is formed between the adjusting cylinder and an inner peripheral surface of the cylindrical space by cutting out an intermediate part of the adjusting cylinder in an axial direction by 180 degrees, and the adjusting space has an axis of the cylindrical space. recorders claim 1, the width in the direction orthogonal to the direction to match the diameter of the circular columnar space automatic musical instrument air supply device.
方向の隣接部位に中心軸部を残して周囲の３６０度を切
り欠くことで上記調整室に連通する圧縮空気導入室を構
成し、前記調整部本体に形成した圧縮空気の入力路を上
記圧縮空気導入室を介して前記調整室に連通することと
した請求項１又は２のリコーダーの自動演奏装置用空気
供給装置。3. A compressed air introduction chamber which communicates with the adjustment chamber by cutting off 360 degrees around the adjustment cylinder, leaving a central shaft portion at a position adjacent to the adjustment chamber in the axial direction. the adjuster input path the adjustment chamber according to claim 1 or 2 recorders automatic musical instrument air supply apparatus was decided that communicates with the through the compressed air introducing chamber of the compressed air formed in the main body.
で構成した請求項１、２又は３のリコーダーの自動演奏
装置用空気供給装置。Wherein said rotary drive unit, recorder automatic musical instrument air supply apparatus according to claim 1, 2 or 3 and a stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10441396A JP3149355B2 (en) | 1996-03-31 | 1996-03-31 | Air supply device for recorder automatic performance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10441396A JP3149355B2 (en) | 1996-03-31 | 1996-03-31 | Air supply device for recorder automatic performance device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09269771A JPH09269771A (en) | 1997-10-14 |
| JP3149355B2 true JP3149355B2 (en) | 2001-03-26 |
Family
ID=14380015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10441396A Expired - Fee Related JP3149355B2 (en) | 1996-03-31 | 1996-03-31 | Air supply device for recorder automatic performance device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3149355B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4618053B2 (en) * | 2005-08-30 | 2011-01-26 | ヤマハ株式会社 | Automatic performance device |
| JP4618052B2 (en) * | 2005-08-30 | 2011-01-26 | ヤマハ株式会社 | Woodwind performance actuator and woodwind performance device |
| JP5923866B2 (en) | 2011-04-28 | 2016-05-25 | ヤマハ株式会社 | Woodwind instruments and rectifying members |
| JP6098693B2 (en) * | 2015-10-22 | 2017-03-22 | ヤマハ株式会社 | Woodwind instruments and rectifying members |
-
1996
- 1996-03-31 JP JP10441396A patent/JP3149355B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09269771A (en) | 1997-10-14 |
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