JPH0718745B2 - measuring device - Google Patents
measuring deviceInfo
- Publication number
- JPH0718745B2 JPH0718745B2 JP61023937A JP2393786A JPH0718745B2 JP H0718745 B2 JPH0718745 B2 JP H0718745B2 JP 61023937 A JP61023937 A JP 61023937A JP 2393786 A JP2393786 A JP 2393786A JP H0718745 B2 JPH0718745 B2 JP H0718745B2
- Authority
- JP
- Japan
- Prior art keywords
- detection
- rotating body
- detecting
- recorder
- measurement
- 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 - Lifetime
Links
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
【発明の詳細な説明】 〔発明の技術分野〕 本発明は、回転体の状態変化を測定するための測定装置
に係り、特に回転体の回転中の振動等の状態変化を測定
する際に、回転体から測定のためのケーブル等を延長し
て引回すことなく測定可能な測定装置に関する。Description: TECHNICAL FIELD OF THE INVENTION The present invention relates to a measuring device for measuring a state change of a rotating body, and particularly when measuring a state change such as vibration during rotation of the rotating body, The present invention relates to a measuring device capable of measuring without extending and extending a cable or the like for measurement from a rotating body.
従来、例えば振動計等では、ピックアップを使用して、
振動の加速度，速度変位を電気信号に変換することで被
測定物の振動状態を測定している。この場合第４図に示
される様にピックアップ40から得られる電気信号である
測定信号は被測定物の配置された環境内を通過するコー
ド47により伝達され測定装置本体42に入力され種々の信
号処理が施こされる。Conventionally, for example, in a vibrometer, etc., using a pickup,
The vibration state of the DUT is measured by converting the acceleration and velocity displacement of the vibration into electrical signals. In this case, as shown in FIG. 4, the measurement signal, which is an electric signal obtained from the pickup 40, is transmitted by the code 47 passing through the environment in which the object to be measured is placed, is input to the measuring device main body 42, and is subjected to various signal processing. Is applied.
ピックアップ40（例えば圧電素子等）から出力それる測
定信号である電荷は微弱であるから、通常測定装置本体
42に入力された後増幅器によって増幅され前記電荷に比
例する出力電圧として出力される。ピックアップ40から
出力される測定信号にはコード47の拾う種々のノイズが
重畳するため、測定装置本体42において増幅された測定
信号には増幅されたノイズも同時に含まれる。この傾向
は、ピックアップ40の感度が増し高インピーダンスなる
場合や、コード47の延長に従って顕著なものとなり、測
定結果の信頼性に重大な悪影響を与えている。Since the electric charge, which is the measurement signal output from the pickup 40 (for example, piezoelectric element), is weak, the measurement device is usually
After being input to 42, it is amplified by an amplifier and output as an output voltage proportional to the charge. Since various noises picked up by the cord 47 are superimposed on the measurement signal output from the pickup 40, the measurement signal amplified by the measuring device main body 42 also includes the amplified noise. This tendency becomes remarkable when the sensitivity of the pickup 40 increases and the impedance becomes high, or when the code 47 is extended, which has a serious adverse effect on the reliability of the measurement result.
このため、ピックアップ40に電荷増幅器を使用してコー
ド47の延長に伴う感度変化をなくすことも考えられてい
るが、コードの延長のよる雑音の増大は防ぐことはでき
ない。また、コード47は測定中に切断することのないよ
うに測定環境内に敷設しなくてはならない。For this reason, it has been considered to use a charge amplifier for the pickup 40 to eliminate the sensitivity change due to the extension of the code 47, but it is not possible to prevent the increase in noise due to the extension of the code. In addition, the cord 47 must be laid in the measurement environment so that it will not be cut during measurement.
特に、被測定物が回転体であって、回転体の回転中の振
動等を測定する場合には、コード47をスリップリング等
のコード47の切断を防ぐための手段を介して接続する必
要がある。したがって、回転体の回転中の状態変化を測
定する測定装置は、構成が複雑となり、コードを用いる
ことによるノイズの影響に加えて、スリップリングを用
いることによるノイズの影響および信頼性の低下といっ
た問題点が生じている。In particular, when the object to be measured is a rotating body and the vibration or the like during rotation of the rotating body is to be measured, it is necessary to connect the cord 47 via a means for preventing disconnection of the cord 47 such as a slip ring. is there. Therefore, the measuring device for measuring the state change during rotation of the rotating body has a complicated structure, and in addition to the influence of noise due to the use of a cord, the influence of noise due to the use of a slip ring and a decrease in reliability are also problems. There are dots.
上述した問題点に鑑みてなされた本発明は、回転体の回
転中の状態変化を検出する際に、測定信号へのノイズの
混入を防ぎ、またスリップリング等を用いず簡単な構成
で精度の良い測定が実現できる測定装置を提供すること
を目的としている。The present invention made in view of the above-mentioned problems, when detecting a state change during rotation of the rotating body, prevents noise from being mixed into the measurement signal, and does not use a slip ring, etc. It is an object of the present invention to provide a measuring device that can realize good measurement.
上記目的を達成するためになされた本発明は、回転体の
状態変化を検出して記録する検出記録器と、この検出記
録器とは分離して別体にして構成した再生器とを具備
し、前記検出記録器は、回転体に着脱可能な機能を有す
る着脱手段と、前記回転体の状態変化を検出する検出手
段と、前記検出手段からの検出結果を記憶する記憶手段
と、この記憶手段に記憶された前記検出結果を出力する
出力手段と、前記着脱手段、検出手段、記憶手段および
出力手段とをそれぞれ一体的に備えた検出記録器本体と
から構成され、前記再生器は、前記検出記録器本体に備
えられた前記出力手段に対応して前記検出結果を入力可
能な入力手段と、この入力手段を介して入力した前記検
出結果に信号処理を施して表示する再生手段とから構成
されることを特徴とする測定装置である。The present invention made to achieve the above object includes a detection recorder that detects and records a state change of a rotating body, and a regenerator that is configured separately from the detection recorder. The detection recorder is a detachable unit having a function of being detachable from the rotating body, a detecting unit that detects a state change of the rotating body, a storage unit that stores a detection result from the detecting unit, and a storing unit. And a detection recorder main body integrally provided with the attachment / detachment means, the detection means, the storage means and the output means. The reproducing device is configured to detect the detection result. It is composed of an input means capable of inputting the detection result corresponding to the output means provided in the recorder main body, and a reproducing means for performing signal processing and displaying the detection result input through the input means. Characterized by It is that the measuring device.
本発明によれば、回転体の回転中に該回転体の状態変化
を検出し、その検出信号は測定環境内に延長されるコー
ドを介することな直接記憶手段に記憶される。そして記
憶手段から検出信号を読み出し、検出記録器とは別体に
分離して構成された再生器により検出信号を受け、この
検出信号に信号処理を施して表示するように構成してい
るので、検出信号にコードを介して混入するノイズを無
くすことができる。また、検出記録器は回転体に着脱可
能に構成されて、再生器は検出記録器と分離して別体で
構成されているので、回転体からスリップリング等を介
してコードを引回すことがなく簡単な構成で信頼性の高
い測定装置を提供することができる。According to the present invention, the state change of the rotating body is detected during the rotation of the rotating body, and the detection signal is stored in the direct storage means without passing through the cord extended in the measurement environment. Then, the detection signal is read out from the storage means, and the detection signal is received by the regenerator configured separately from the detection recording device, and the detection signal is subjected to signal processing and displayed. It is possible to eliminate noise mixed in the detection signal via the code. Further, since the detection recorder is configured to be attachable to and detachable from the rotating body, and the regenerator is configured separately from the detection recorder, the cord can be routed from the rotating body through a slip ring or the like. It is possible to provide a highly reliable measuring device with a simple structure.
以下、添付図面に示す実施例に基づいて本発明を詳細に
説明する。Hereinafter, the present invention will be described in detail based on embodiments shown in the accompanying drawings.
第１図乃至第３図に示す本発明の一実施例は圧電素子等
の加速度型振動ピツクアップを使用して回転体30の回転
中に生じる振動の加速度，速度，変位を測定する振動計
装置に本発明を適用したものである。An embodiment of the present invention shown in FIGS. 1 to 3 is a vibrometer device for measuring acceleration, velocity, and displacement of vibration generated during rotation of a rotating body 30 by using an acceleration type vibration pickup such as a piezoelectric element. The present invention is applied.
本実施例の構成は第３図に示される様に、回転体30に吸
着する着脱手段である吸着体31に載置固定され吸着体31
を介して伝達する回転体30の振動を測定信号に変換して
記録する検出記録器32と、この検出記録器32に記録され
た測定信号を読み出して、再生する再生器を備え、かつ
この再生器により再生された測定信号を基に振動波形を
描くペンオシログラフ等の計測部からなる。As shown in FIG. 3, the structure of the present embodiment is such that the suction member 31 is mounted and fixed on the suction member 31 which is a detachable means for sucking the rotation member 30.
And a reproducing device for reading and reproducing the measurement signal recorded in the detection recording device 32. It consists of a measuring unit such as a pen oscillograph that draws a vibration waveform based on the measurement signal reproduced by the instrument.
このうち、検出記録器32は、第１図に示す様に円板形状
の導電物質からなる吸着体31の中心部分に設置された検
出部であるピックアップ１と、このピックアップ１から
得られる測定信号をコード４を介して入力し、記録する
記録部である集積回路を配置されると共に、電源となる
バッテリを備え、かつ記録された測定信号を出力する出
力端子を設置された図中点線で示される円板形状の基板
２と、これらピックアップ1,コード4,基板２を覆い固定
し、かつ吸着体31の外縁に密着して着脱自在に固定され
る導電物質からなる基体である筒体３とから構成され
る。Among them, the detection recorder 32 is a pickup 1 which is a detection unit installed in the central portion of an adsorbent 31 made of a disc-shaped conductive material as shown in FIG. 1, and a measurement signal obtained from the pickup 1. Is indicated by a dotted line in the drawing, in which an integrated circuit which is a recording unit for inputting and recording via the code 4 is arranged, a battery serving as a power source is provided, and an output terminal for outputting a recorded measurement signal is installed. A disk-shaped substrate 2 and a cylindrical body 3 made of a conductive material that covers and fixes the pickup 1, the cord 4, and the substrate 2 and is detachably fixed to the outer edge of the adsorbent 31. Composed of.
上記のように構成された本実施例の作用を以下に説明す
る。The operation of the present embodiment configured as described above will be described below.
第２図に示される様に検出記録器32では回転体30からの
振動を受けてピックアップ１が測定信号を記録部20へ送
出すると共に、記録部20では入力した測定信号を基板２
上に集積回路として内蔵する記憶手段たるメモリに記録
（記憶）する。測定信号の記録が完了した後に記録され
た測定信号は出力端子を介して計測部21に備えられた入
力端子を介して読み出され、そして信号処理された後に
ペンオシログラフにより振動波形として示される。As shown in FIG. 2, in the detection recorder 32, the pickup 1 sends the measurement signal to the recording unit 20 in response to the vibration from the rotating body 30, and the recording unit 20 outputs the input measurement signal to the substrate 2
The data is recorded (stored) in a memory which is a storage means built in as an integrated circuit. After the recording of the measurement signal is completed, the recorded measurement signal is read out through the output terminal through the input terminal provided in the measuring unit 21, and after being signal-processed, is displayed as a vibration waveform by the pen oscillograph. .
このように本実施例の振動計装置によれば、ピックアッ
プ１において測定される測定信号は記録部20へ直接入力
することでコード４の延長を極力抑えることができ、し
かも導電性の吸着体31および筒体３により検出記録器32
内部にノイズの原因となる電磁波の進入を防ぐことがで
きるので、測定信号に混入するノイズの量を大幅に減じ
ることができる。特に、上述した実施例に示すように回
転中の回転体の振動の測定にも、従来のスリップリング
等を用いた場合と比較して測定環境に手を加えることな
しに容易に実施できる。さらにコードの延長若しくは、
レコーダ等を備えての計測が容易でないような困難な環
境に配置された回転体の状態変化を測定する場合におい
ても検出記録器の設置のみで所望の振動測定が実現でき
る。As described above, according to the vibrometer device of this embodiment, the extension of the cord 4 can be suppressed as much as possible by directly inputting the measurement signal measured by the pickup 1 to the recording unit 20, and the conductive adsorbent 31 is used. And the recording device 32 detected by the cylinder 3
Since it is possible to prevent electromagnetic waves that cause noise from entering inside, it is possible to significantly reduce the amount of noise mixed in the measurement signal. In particular, as shown in the above-mentioned embodiment, the vibration of the rotating body can be easily measured without changing the measurement environment as compared with the case of using the conventional slip ring or the like. Further extension of code, or
Even when measuring the state change of a rotating body arranged in a difficult environment where measurement with a recorder or the like is not easy, desired vibration measurement can be realized only by installing a detection recorder.
以上詳述した本発明の実施例は、本発明の技術思想を逸
脱しない範囲において種々の変更を加えられる。例えば
ピックアップ１と基板２を一体に設けることでコード４
を省くことができる。またピックアップ１は圧電素子等
の圧電形の他導電形やインピーダンス変換形のピックア
ップ等を用いることができる。さらに、検出記録器32に
送信器を備え、記録部に記録された測定信号を電波信号
に変換して、一方の計測部27側に設ける受信器へ送るこ
とで、実時間での振動測定が可能となる。またさらに、
本実施例では本発明の測定装置を振動体の振動を測定す
るための振動計装置として実施しているが、振動測定以
外の各種計測用途とした多方面に適用することができ
る。すなわち、被測定物の状態変化量を測定するセンサ
装置およびこのセンサ装置の測定信号を記録する検出記
録手段と、この検出記録手段に記録された測定信号を再
生し所定の用途に使用する機能を備えていれば、本発明
の実施例の構成およびその用途は適宜設計することがで
きる。Various modifications can be added to the embodiments of the present invention described in detail above without departing from the technical idea of the present invention. For example, by providing the pickup 1 and the substrate 2 integrally, the cord 4
Can be omitted. The pickup 1 may be a piezoelectric type such as a piezoelectric element, or a conductive type or impedance conversion type pickup. Further, the detection recorder 32 is provided with a transmitter, and the measurement signal recorded in the recording unit is converted into a radio wave signal and sent to the receiver provided on the side of one of the measurement units 27, so that vibration measurement in real time can be performed. It will be possible. Furthermore,
In the present embodiment, the measuring device of the present invention is implemented as a vibrometer device for measuring the vibration of a vibrating body, but it can be applied to various fields for various measurement applications other than vibration measurement. That is, a sensor device for measuring the amount of state change of an object to be measured, a detection recording means for recording the measurement signal of the sensor device, and a function for reproducing the measurement signal recorded in the detection recording means and using it for a predetermined purpose are provided. If provided, the configuration of the embodiment of the present invention and its application can be designed appropriately.
第１図は本発明の測定装置を適用した振動計装置の一実
施例を示す透視斜視図、第２図は同実施例の作用を説明
する系統ブロック図、第３図は同実施例の構成を説明す
るための正面図、第４図は本発明の従来例を示す斜視図
である。 １……ピックアップ、２……基板 ３……筒体、４……コード 31……吸着体FIG. 1 is a perspective perspective view showing an embodiment of a vibrometer device to which the measuring device of the present invention is applied, FIG. 2 is a system block diagram for explaining the operation of the embodiment, and FIG. 3 is a configuration of the embodiment. And FIG. 4 is a perspective view showing a conventional example of the present invention. 1 ... Pickup, 2 ... Substrate, 3 ... Cylinder, 4 ... Code, 31 ... Adsorbent
Claims (1)
記録器と、この検出記録器とは分離して別体にして構成
した再生器とを具備し、 前記検出記録器は、 回転体に着脱可能な機能を有する着脱手段と、 前記回転体に状態変化を検出する検出手段と、 前記検出手段からの検出結果を記憶する記憶手段と、 この記憶手段に記憶された前記検出結果を出力する出力
手段と、 前記着脱手段、検出手段、記憶手段および出力手段とを
それぞれ一体的に備えた検出記録器本体とから構成さ
れ、 前記再生器は、 前記検出記録器本体に備えられた前記出力手段に対応し
て前記検出結果を入力可能な入力手段と、 この入力手段を介して入力した前記検出結果に信号処理
を施して表示する再生手段と から構成されることを特徴とする測定装置。1. A detection recorder for detecting and recording a state change of a rotating body, and a regenerator configured separately from the detection recorder, wherein the detection recorder is a rotary unit. An attaching / detaching means having a function of being attachable / detachable to / from the body, a detecting means for detecting a state change in the rotating body, a storing means for storing a detection result from the detecting means, and a detecting result stored in the storing means. The detection recorder main body integrally includes output means for outputting, and the attachment / detachment means, the detection means, the storage means, and the output means, and the regenerator is provided in the detection recorder main body. A measuring device comprising: an input means capable of inputting the detection result corresponding to the output means; and a reproduction means for performing signal processing on the detection result input through the input means and displaying the processed result. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61023937A JPH0718745B2 (en) | 1986-02-07 | 1986-02-07 | measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61023937A JPH0718745B2 (en) | 1986-02-07 | 1986-02-07 | measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62182626A JPS62182626A (en) | 1987-08-11 |
| JPH0718745B2 true JPH0718745B2 (en) | 1995-03-06 |
Family
ID=12124441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61023937A Expired - Lifetime JPH0718745B2 (en) | 1986-02-07 | 1986-02-07 | measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0718745B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03185317A (en) * | 1989-12-15 | 1991-08-13 | Rion Co Ltd | System of managing vibration exposure amount |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5847234A (en) * | 1981-09-16 | 1983-03-18 | Japanese National Railways<Jnr> | Vehicle riding comfort segment meter |
-
1986
- 1986-02-07 JP JP61023937A patent/JPH0718745B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62182626A (en) | 1987-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5231374A (en) | Apparatus and method for acquiring electrical signals from rotating members | |
| US5284151A (en) | Electrocardiograph system | |
| RU2340123C2 (en) | Sensor | |
| US6766692B1 (en) | Palm-held automotive acoustical sensing device | |
| JPH0422630Y2 (en) | ||
| JPH0718745B2 (en) | measuring device | |
| US4075601A (en) | Combined pipeline marker and test unit | |
| US5363344A (en) | Acoustic sensor having a shell-mounted transducer | |
| JP2582160Y2 (en) | Belt block distortion measuring device | |
| JPS6028070Y2 (en) | input connection device | |
| JPS6236294B2 (en) | ||
| JPH0282135A (en) | Method and device for detecting damage of movable member | |
| JPS5826360Y2 (en) | Portable vibration meter | |
| JPS643045Y2 (en) | ||
| JP2743500B2 (en) | Sensitivity inspection device | |
| JP2609948B2 (en) | Vibration meter | |
| JP3564338B2 (en) | Biological information detection sensor | |
| JPH0439581Y2 (en) | ||
| JPH0526503Y2 (en) | ||
| JPS6028071Y2 (en) | input connection device | |
| JPS63281633A (en) | Ultrasonic endoscopic apparatus | |
| JPS6098030U (en) | handheld vibration measuring device | |
| JPS63295967A (en) | Physical quantity detector | |
| JPS58186439U (en) | Engine failure diagnosis device | |
| JPH0134132Y2 (en) |