KR930001636B1 - Apparatus of displacement measurement and dynamic load for a keyboard - Google Patents

Apparatus of displacement measurement and dynamic load for a keyboard Download PDF

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Publication number
KR930001636B1
KR930001636B1 KR1019890017667A KR890017667A KR930001636B1 KR 930001636 B1 KR930001636 B1 KR 930001636B1 KR 1019890017667 A KR1019890017667 A KR 1019890017667A KR 890017667 A KR890017667 A KR 890017667A KR 930001636 B1 KR930001636 B1 KR 930001636B1
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South Korea
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load
displacement
keyboard
shaft
measuring
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KR1019890017667A
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Korean (ko)
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KR910010169A (en
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장민호
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삼성전자 주식회사
강진구
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The apparatus measures the static & dynamic load of the keyboard according to the keyboard displacement by use of the keyboard hit velocity. The measured data can be used as touch sensing measurement in manufacturing electronic keyboard music instrument. The apparatus comprises a gear (2) connected with a motor (1) shaft; a rack (3) connected with the gear (2); a load measurement shaft (4) assembled with a measurement shaft guide (6) in the center of a fixed plate (7) of a support (10); a load measurement device (9) equipped in the lower part of the load measurement shaft (4); a displacement measurement shaft (13) equipped at one side of a connection plate (8).

Description

건반악기의 건반 동적하중과 변위 측정장치Keyboard dynamic load and displacement measuring device of keyboard instruments

제1도는 본 발명의 설치상태의 측면도.1 is a side view of the installation state of the present invention.

제2도는 본 발명의 설치상태의 정면도.2 is a front view of the installation state of the present invention.

제3도는 본 발명을 이용한 측정시스템 구성도.3 is a block diagram of a measurement system using the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 모터 2 : 기어1: motor 2: gear

3 : 랙 4 : 하중측정축3: rack 4: load measurement shaft

6 : 측정축 가이드 7 : 고정판6: measuring axis guide 7: fixed plate

8 : 연결판 9 : 하중측정장치8: connecting plate 9: load measuring device

10 : 지지대 12 : 변위측정계기10: support 12: displacement measuring instrument

13 : 변위측정축13: displacement measuring axis

본 발명은 피아노 건반의 정, 동적 하중과 변위를 측정하는 장치에 관한 것으로써, 실제 피아노 건반의 변위에 따른 정, 동적 하중을 각 타건 속도에 대해 측정자료화 하여, 전자 건반악기의 건반제작에 있어서 터치 감각 측정에 이용할수 있게 발명된 것이다.The present invention relates to a device for measuring the static, dynamic load and displacement of the piano keyboard, the static and dynamic load according to the displacement of the actual piano keyboard is measured data for each key speed, to produce the keyboard of the electronic keyboard Invented so that it can be used to measure the touch sense.

종래에는 피아노 건반의 하중측정에 있어서 정적하중은 계측기에 의해 하였으나, 터치감각이라 할수 있는 동적하중의 측정은 적당한 장치가 없어서 불가능하였고, 다만 전문가의 감각에 의존하여 왔다.In the past, the static load was measured by the measuring instrument of the piano keyboard, but the measurement of the dynamic load, which can be called touch sensation, was impossible because there was no suitable device, but it was dependent on the expert's sense.

그러므로 동적하중의 측정과 변위에 대한 정확한 측정자료가 없을뿐만 아니라 전문가에 따라 취향도 약간씩 다르므로 실제 피아노의 터치감각도 약간씩 다른 문제점이 있었다.Therefore, not only accurate measurement data for dynamic load and displacement, but also different tastes according to experts have different touch sense of actual piano.

본 발명은 상기와 같은 문제점을 해소하기 위하여 안출된 것으로서 전자 건반악기의 개발이 증가됨에 따라 건반터치 감각의 중요성이 크게 대두되었으나 실제 피아노의 참고할 만한 동적하중과 변위 측정자료가 없어 실제 피아노 건반의 정, 동적 하중측정과 변위에 대한 자료를 계측기에 의해 정확히 측정하여 자료화하고 이 자료를 전자 건반악기에 적용할수 있도록 함에 본 발명의 목적이 있다.The present invention has been devised to solve the above problems, and as the development of electronic keyboard instruments has increased, the importance of keyboard touch sensation has emerged, but there is no dynamic load and displacement measurement data that can be referred to in real pianos. It is an object of the present invention to precisely measure and document data on dynamic load measurement and displacement by a measuring instrument and apply the data to an electronic keyboard instrument.

상기와 같은 목적을 달성하기 위한 실시예를 첨부된 도면에 의거 설명하면 다음과 같다.An embodiment for achieving the above object will be described with reference to the accompanying drawings.

우선, 제1, 2도를 참조하여 본 발명의 구성을 설명하면 모터(1)의 축에 연결된 기어(2)와 랙(3)에 형성된 기어를 결합하고, 지지대(10)의 고정판(7)을 중심으로 상부에 측정축 가이드(6)가 형성된 중앙에 하중측정축(4)을 결합하고 하중 측정측(4) 하부에 하중측정 장치(9)를 설치하고 고정판(7)과 하중측정 장치(9)사이에 연결판(8)을 결합한 일측에 변위측정축(13)을 설치하여 고정판(7)상부에 또다른 측정축 가이드(6)와 상부에 변위측정계기(12)를 형성하고 하중측정축(4) 좌, 우에 좌, 우진동 방지축(14)을 형성하고 하중측정축(4)상부를 랙(3)과 연결핀(11)으로 연결하여 모터(1)의 회전에 의해 하중측정축(4)과 변위측정축(13)이 동시에 수직운동을 하여 건반의 타건 감각의 하중측정과 변위측정을 동시에 할수 있게 형성된 것이다.First, the configuration of the present invention with reference to FIGS. 1 and 2 will be described. The gear 2 connected to the shaft of the motor 1 and the gear formed on the rack 3 are coupled to each other, and the fixing plate 7 of the support 10 is connected. Combine the load measuring shaft 4 in the center where the measuring shaft guide 6 is formed on the upper part, and install the load measuring device 9 in the lower part of the load measuring side 4, and the fixed plate 7 and the load measuring device ( 9) The displacement measuring shaft 13 is installed on one side where the connecting plate 8 is coupled between them to form another measuring shaft guide 6 on the fixed plate 7 and the displacement measuring instrument 12 on the upper portion, and load measurement. The left and right vibration preventing shafts 14 are formed on the left and right sides of the shaft 4, and the load is measured by the rotation of the motor 1 by connecting the upper portion of the load measuring shaft 4 with the rack 3 and the connecting pins 11. The shaft 4 and the displacement measuring axis 13 are vertically moved at the same time so that the load measurement and displacement measurement of the key sense of the keyboard can be performed simultaneously.

이와같은 본 발명의 작용효과는 다음과 같다.Such effects of the present invention are as follows.

모터(1)가 회전하면 모터축에 연결된 기어(2)가 회전하면서 랙의 기어에 의해 랙(3)이 하강하여 랙(3)과 연결된 하중측정축(4)이 규정된 속도로 수직운동으로 하강하게 되며 이때 하중측정축(4)이 지지대(10)의 고정판(7)에 설치된 측정축 가이드(6)에 안내되며 하강하여 하중측정축(4)에 고정된 연결판(8)이 하강하면서 변위측정계기(12)가 설치된 변위측정축(13)이 연결판(8)에 고정되어 있어 함께 수직운동으로 하강하게 되므로 하중측정축(4) 하부에 설치된 하중측정장치(9)가 하강하여 건반(100)을 눌렀을 때 변위측정계기(12)의 변위측정축(13)이 연결판(8)에 의해 하강하면서 변위측정계기(12)와 변위측정축(13)사이의 상호운동으로 전류가 발생되어 이 전류를 전류, 전압 변위측정 변환장치(60)로 보내어 신호를 증폭하여 신호저장장치(70)로 보내어 저장하고, 타건감각을 하중 측정 장치(9)가 건반(100)에 충돌하면 충돌력에 비례하여 압전효과에 의해 전류가 발생하는데 이때 발생한 전류를 전류, 전압 하중측정 변환장치(50)로 보내어 신호 증폭시킨후 신호저장장치(70)로 일시 저장한 후 두신호를 정리하여 컴퓨터(80)로 보내어 컴퓨터(80)에서 이 두신호를 바탕으로 두 신호를 조합하고 자료화하여 출력장치(90)를 통해 자료값과 도표로 출력시킨다.When the motor 1 rotates, the gear 2 connected to the motor shaft rotates and the rack 3 descends by the gear of the rack, and the load measuring shaft 4 connected to the rack 3 moves in a vertical motion at a prescribed speed. At this time, the load measuring shaft 4 is guided to the measuring shaft guide 6 installed on the fixed plate 7 of the support 10 and lowered so that the connecting plate 8 fixed to the load measuring shaft 4 is lowered. Since the displacement measuring shaft 13 having the displacement measuring instrument 12 is fixed to the connecting plate 8 to be lowered in a vertical motion together, the load measuring device 9 installed below the load measuring shaft 4 is lowered to the keyboard. When (100) is pressed, the displacement measuring axis 13 of the displacement measuring instrument 12 is lowered by the connecting plate 8, and a current is generated by the mutual movement between the displacement measuring instrument 12 and the displacement measuring axis 13. This current is sent to the current and voltage displacement measurement converter 60 to amplify the signal and send it to the signal storage device 70 to store the key. When the load measuring device 9 collides with the keyboard 100, the current is generated by the piezoelectric effect in proportion to the collision force, and the generated current is sent to the current and voltage load measuring converter 50 to amplify the signal, and then the signal. After temporarily storing the data into the storage device 70, the two signals are collectively sent to the computer 80, the computer 80 combines the two signals based on the two signals, and forms a data value through the output device 90. Print it out as a chart.

따라서 하중 측정장치(9)는 규정측정 범위가 있으므로 건반을 끝까지 하강시킨 후에도 계속 하강하게 되면 과부하가 걸려 고장날 위험성이 크므로 모터(1)은 정해진 변위까지 하강하면 순간적으로 클러치와 브레이크의 작동에 의해 정지하도록 되어 있으며 모터(1)은 필요한 속도로 바꿀수 있도록 외부조작이 가능하여 하중측정 장치(9)가 건반을 눌렀을 때 동시에 변위측정계기(12)가 작동하여 하중측정과 변위측정을 할수 있게 되는 것이다.Therefore, the load measuring device (9) has a specified measuring range, so if you continue to descend even after lowering the keyboard to the end, there is a high risk of overloading and failure. Therefore, when the motor (1) falls to a predetermined displacement, The motor 1 is capable of external operation so that the motor 1 can be changed to the required speed so that when the load measuring device 9 presses the key, the displacement measuring device 12 operates at the same time to perform the load measurement and the displacement measurement. .

상기한 바와같이 본 발명에 의하면 실제 피아노 건반의 정, 동적 하중과 변위에 대한 자료를 계측기에 의해 정확히 측정자료화 하고, 또한 이 자료를 전자 건반악기에 적용하여 필요로 하는 터치감각을 좋게 할수 있는 잇점이 있다.As described above, according to the present invention, the data on the static, dynamic load and displacement of the actual piano keyboard can be accurately measured by the measuring instrument, and the data can be applied to the electronic keyboard musical instrument to improve the touch sense required. There is an advantage.

Claims (1)

구동부에 하중과 변위를 측정할수 있는 장치를 장착하여 건반악기의 동적하중과 변위를 측정, 자료화 할수 있도록 한 장치에 있어서, 모터(1)의 축에 연결된 기어(2)와 랙(3)에 형성된 기어를 결합하고, 지지대(10)의 고정판(7)을 중심으로 상부에 측정축 가이드(6)가 형성된 중앙에 하중측정축(4)을 결합하고 하중 측정축(4) 하부에 하중측정 장치(9)를 설치하고 고정판(7)과 하중측정장치(9) 사이에 연결판(8)을 결합한 일측에 변위측정축(13)을 설치하여 고정판(7) 상부에 또 다른 측정축 가이드(6)와 상부에 변위측정계기(12)를 설치하고 하중측정축(4) 좌, 우에 좌, 우진동 방지축(14)을 형성하고 하중측정축(4) 상부를 랙(3)과 연결핀(11)으로 연결하여 모터(1)의 회전에 의해 하중측정축(4)과 변위측정축(13)이 동시에 수직운동을 하여 건반의 타건 감각의 하중측정과 변위측정을 동시에 할수 있게 형성된 것을 특징으로 하는 건반악기의 건반 동적하중과 변위측정장치.In the device equipped with the device to measure the load and displacement in the drive unit to measure and document the dynamic load and displacement of the keyboard instrument, the gear (2) and the rack (3) connected to the shaft of the motor (1) Combining the formed gear, the load measuring shaft (4) in the center of the measuring shaft guide (6) is formed on the top of the fixed plate (7) of the support (10) and the load measuring device (4) below (9) and a displacement measuring shaft (13) on one side where the connecting plate (8) is coupled between the fixed plate (7) and the load measuring device (9). ) And the displacement measuring instrument 12 is installed on the upper part, and the left and right vibration preventing shafts 14 are formed on the left and right sides of the load measuring shaft 4, and the rack 3 and the connecting pin 11) the load measuring shaft 4 and the displacement measuring shaft 13 are vertically moved at the same time by the rotation of the motor 1, Keyboard dynamic load and displacement measuring device for a keyboard musical instrument, characterized in that formed at the same time enables you to the above measurement.
KR1019890017667A 1989-11-30 1989-11-30 Apparatus of displacement measurement and dynamic load for a keyboard KR930001636B1 (en)

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KR1019890017667A KR930001636B1 (en) 1989-11-30 1989-11-30 Apparatus of displacement measurement and dynamic load for a keyboard

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Application Number Priority Date Filing Date Title
KR1019890017667A KR930001636B1 (en) 1989-11-30 1989-11-30 Apparatus of displacement measurement and dynamic load for a keyboard

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KR930001636B1 true KR930001636B1 (en) 1993-03-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101515165B1 (en) * 2014-08-28 2015-04-24 주식회사 다이나톤 Auto-touch test device for digital piano and testing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101515165B1 (en) * 2014-08-28 2015-04-24 주식회사 다이나톤 Auto-touch test device for digital piano and testing method thereof

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