JPH0416940Y2 - - Google Patents
Info
- Publication number
- JPH0416940Y2 JPH0416940Y2 JP627183U JP627183U JPH0416940Y2 JP H0416940 Y2 JPH0416940 Y2 JP H0416940Y2 JP 627183 U JP627183 U JP 627183U JP 627183 U JP627183 U JP 627183U JP H0416940 Y2 JPH0416940 Y2 JP H0416940Y2
- Authority
- JP
- Japan
- Prior art keywords
- waveform
- operator
- measurement
- line
- reference line
- 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
Links
- 238000005259 measurement Methods 0.000 claims description 16
- 239000000758 substrate Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
【考案の詳細な説明】
この考案は例えば記録された波形より、その波
形の電圧、電流値等を直読可能とする波形較正器
に関する。[Detailed Description of the Invention] This invention relates to a waveform calibrator that allows the voltage, current, etc. of a recorded waveform to be directly read, for example.
周知のように、電力系統事故時の故障現象解析
は系統運用上欠くことのできない重要な業務であ
る。通常、電力系統に事故が発生した場合、事故
時の電圧や電流波形は自動オツシロによつて記録
されており、この記録された波形より故障現象の
解析が行われる。 As is well known, failure phenomenon analysis during power system accidents is an important task that is indispensable for system operation. Normally, when an accident occurs in a power system, the voltage and current waveforms at the time of the accident are recorded by an automatic knife, and the failure phenomenon is analyzed based on the recorded waveforms.
従来、この故障現象の解析は記録された波形の
絶対値を求めることによつて行われるが、この絶
対値は記録された波形の振幅を測定し、この振幅
に対応した較正カーブから求めるというように、
手順が多く繁雑であり、絶対値を求めるまでに10
分程度を要するものであつた。したがつて、故障
現象解析および早期復旧の判断に時間がかかるも
のであり、迅速に前記絶対値を求め得る手段の実
現が切望されていた。 Conventionally, analysis of this failure phenomenon is performed by determining the absolute value of the recorded waveform, but this absolute value is determined by measuring the amplitude of the recorded waveform and using a calibration curve corresponding to this amplitude. To,
There are many steps and it is complicated, and it takes 10 steps to find the absolute value.
It took about a minute. Therefore, it takes time to analyze the failure phenomenon and decide on early recovery, and there has been a strong desire to realize a means that can quickly determine the absolute value.
この考案は上記事情に基づいてなされたもの
で、その目的とするところは記録された波形より
その絶対値を簡単且つ迅速に求めることができ、
故障現象解析等に適用して極めて有利な波形較正
器を提供しようとするものである。 This invention was made based on the above circumstances, and its purpose is to be able to easily and quickly determine the absolute value of the recorded waveform.
The present invention aims to provide a waveform calibrator that is extremely advantageous when applied to failure phenomenon analysis and the like.
以下、この考案の一実施例について図面を参照
して説明する。 An embodiment of this invention will be described below with reference to the drawings.
第１図において、１１は例えば樹脂等の透光性
部材からなる矩形状基板である。この基板１１の
一端部には同じく透光性部材からなる操作子１２
の一端部が軸１３によつて回動自在に取着されて
いる。前記基板１１の表面には操作子１２の回動
中心から操作子１２の他端部方向に第１の基準線
１４が設けられる。また、この基板１１の表面に
は操作子１２の回動中心から所定距離離間した位
置に前記第１の基準線１４と直交する第２の基準
線１５が設けられる。さらに、前記操作子１２に
は回動中心から長手方向に沿つて測定線１６が設
けられる。 In FIG. 1, reference numeral 11 is a rectangular substrate made of a transparent material such as resin. At one end of this substrate 11 is an operator 12 made of a transparent material.
One end thereof is rotatably attached by a shaft 13. A first reference line 14 is provided on the surface of the substrate 11 from the center of rotation of the operator 12 toward the other end of the operator 12 . Furthermore, a second reference line 15 is provided on the surface of the substrate 11 at a position spaced a predetermined distance from the center of rotation of the operator 12 and is perpendicular to the first reference line 14 . Furthermore, a measuring line 16 is provided on the operating element 12 along the longitudinal direction from the center of rotation.
一方、前記基板１１の他端部には操作子１２を
跨ぐように振幅表示部１７が設けられる。この振
幅表示部１７は前記第１、第２の基準線１４，１
５および測定線１６によつて合わされた波形の振
幅を拡大して表示するものであり、振幅０mmが前
記第１の基準線１４に一致され、この基準線１４
に直交して等間隔（0.5mm間隔）に目盛１８が付
されている。また、この各目盛１８それぞれには
前記操作子１２の測定線１６によつて指示される
指示部１９が設けられる。また、前記基板１１の
中央部には操作子１２を跨ぐよう較正表２０が設
けられる。この較正表２０には前記振幅表示部１
７の各目盛１８に対応して電力系統別の電圧ある
いは電流の絶対値が表示されている。 On the other hand, an amplitude display section 17 is provided at the other end of the substrate 11 so as to straddle the operator 12 . This amplitude display section 17 is connected to the first and second reference lines 14, 1.
5 and the measurement line 16, the amplitude of 0 mm is matched with the first reference line 14, and this reference line 14
Scales 18 are placed at equal intervals (0.5 mm intervals) perpendicular to the . Further, each of the scales 18 is provided with an indicator 19 that is indicated by the measurement line 16 of the operator 12. Further, a calibration table 20 is provided in the center of the board 11 so as to straddle the operator 12. This calibration table 20 includes the amplitude display section 1.
The absolute value of voltage or current for each power system is displayed corresponding to each scale 18 of 7.
さらに、前記基板１１の長手方向縁部には自動
オツシロの種類に応じて波形の周期（時間）を測
定する定規２１，２２が設けられている。これら
の定規２１，２２は各オツシロの記録速度が異な
るため、目盛の間隔が相異されている。例えば商
用周波数50Hzの１サイクルが４mmとして記録され
るオツシロ用の定規２１の１目盛は４mmとされて
いる。 Furthermore, rulers 21 and 22 are provided on the longitudinal edge of the substrate 11 to measure the period (time) of the waveform depending on the type of automatic razor. These rulers 21 and 22 have different scale intervals because the recording speeds of the rulers are different. For example, one cycle of a commercial frequency of 50 Hz is recorded as 4 mm, and one scale of the ruler 21 for a ruler 21 is 4 mm.
次に、上記構成の本器を用いた波形の測定方法
について第２図を用いて説明する。尚、第２図中
第１図と同一部分には同一符号を付す。 Next, a method for measuring waveforms using the device having the above configuration will be explained with reference to FIG. Note that the same parts in FIG. 2 as in FIG. 1 are given the same reference numerals.
先ず、測定を行う場合、記録された波形の上に
基板１１が重ねられる。基板１１および操作子１
２は透明であるため、これらを通して波形を目視
することが可能である。この状態において、基板
１１を動かし、第１の基準線１４を第２図に示す
如く測定波形（実線で示す）の山部に一致させる
とともに、第２の基準線１５を波形の谷部に一致
させる。この後、操作子１２を回動し、測定線１
６を前記第２の基準線１５と同一波形の谷部に一
致させると、測定すべき波形の振幅A0−A1が操
作子１２の他端部においてB0−B1と拡大され、
このB1に対応する較正表２０の所定部分を直読
することにより波形の絶対値を求めることができ
る。即ち、この波形がV0に対応するものであれ
ば、B1とV0の交差部より22.0KVと波形の電圧値
を即座に求めることができる。また、同様に測定
波形が点線で示すような振幅であり、この波形が
V0に対応する場合は、波形の振幅A0−A2がB0−
B2と拡大され、このB2より11.1KVと電圧値を求
めることができる。 First, when performing a measurement, the substrate 11 is placed on top of the recorded waveform. Board 11 and operator 1
2 are transparent, so it is possible to visually observe the waveform through them. In this state, the substrate 11 is moved to align the first reference line 14 with the peaks of the measured waveform (shown by solid lines) as shown in FIG. 2, and to align the second reference line 15 with the troughs of the waveform. let After that, rotate the operator 12 and measure the measurement line 1.
6 coincides with the trough of the same waveform as the second reference line 15, the amplitude A0 - A1 of the waveform to be measured is expanded to B0 - B1 at the other end of the operator 12,
By directly reading a predetermined portion of the calibration table 20 corresponding to B1 , the absolute value of the waveform can be determined. That is, if this waveform corresponds to V 0 , the voltage value of the waveform can be immediately determined as 22.0 KV from the intersection of B 1 and V 0 . Similarly, the measured waveform has an amplitude as shown by the dotted line, and this waveform
If the amplitude of the waveform A 0 − A 2 corresponds to V 0 then B 0 −
It is expanded to B 2 , and from this B 2 , the voltage value can be determined as 11.1KV.
また、事故継続時間を測定する場合は記録され
た波形に、記録したオツシロに対応する定規２１
あるいは２２を合わせ、この目盛の値より容易に
求めることができる。 In addition, when measuring the accident duration, use a ruler 21 that corresponds to the recorded waveform.
Alternatively, by combining 22, it can be easily determined from the value on this scale.
上記実施例によれば、記録された波形に第１、
第２の基準線１４，１５および測定線１６を合わ
せ、この測定線１６が指示する振幅に対応した較
正表２０を直読することにより、即座に記録され
た波形の電圧あるいは電流の絶対値を求めること
ができる。また、事故継続時間も定規２１，２２
を用いて容易に求めることができる。したがつ
て、従来に比べて記録された波形の絶対値を簡単
且つ迅速に求めることができるため、事故現象解
析および早期復旧の判断を速やかに行うことが可
能となる。 According to the above embodiment, the recorded waveform includes the first,
By aligning the second reference lines 14, 15 and the measurement line 16 and directly reading the calibration table 20 corresponding to the amplitude indicated by the measurement line 16, the absolute value of the voltage or current of the recorded waveform is immediately determined. be able to. In addition, the accident duration is also determined by rulers 21 and 22.
It can be easily obtained using Therefore, since the absolute value of the recorded waveform can be obtained more easily and quickly than in the past, it is possible to quickly analyze the accident phenomenon and make a decision on early recovery.
尚、この考案は上記実施例に限定されるもので
なく、例えば較正表２０を基板１１に対して着脱
自在な構成とし、且つ、較正表２０も電力系統に
応じて種々のものを用意しておけば本器を様々な
電力系統の波形測定に適用することが可能とな
る。 Note that this invention is not limited to the above-described embodiment; for example, the calibration table 20 may be configured to be detachable from the board 11, and various types of calibration tables 20 may be prepared depending on the power system. By doing so, this instrument can be applied to waveform measurements of various power systems.
さらに、基板１１の裏面部に磁石等を設け、ス
チール製机等に吸着して常備することも可能であ
る。 Furthermore, it is also possible to provide a magnet or the like on the back side of the substrate 11 and to attach it to a steel desk or the like and keep it on hand.
その他、この考案の要旨を変えない範囲で種々
変形実施可能なことは勿論である。 It goes without saying that various other modifications can be made without departing from the gist of the invention.
以上、詳述したようにこの考案によれば、記録
された波形よりその絶対値を簡単且つ迅速に求め
ることができ、故障現象解析等に適用して極めて
有利な波形較正器を提供できる。 As described in detail above, according to this invention, the absolute value of a recorded waveform can be easily and quickly determined, and a waveform calibrator can be provided which is extremely advantageous when applied to failure phenomenon analysis and the like.
第１図はこの考案に係わる波形較正器の一実施
例を示す構成図、第２図は第１図の装置を用いた
波形の測定方法を説明するために示す図である。
１１……基板、１２……操作子、１４，１５…
…第１、第２の基準線、１６……測定線、２０…
…較正表、２１，２２……定規。
FIG. 1 is a block diagram showing an embodiment of a waveform calibrator according to the invention, and FIG. 2 is a diagram showing a waveform measurement method using the device shown in FIG. 1. 11... Board, 12... Operator, 14, 15...
...First and second reference lines, 16...Measurement lines, 20...
...Calibration table, 21, 22...Ruler.
Claims (1)
に回動自在に取着され透光性部材からなる操作子
と、前記基板において前記操作子の回動中心より
前記操作子の他端部方向に設けられ測定波形の山
部に一致される第１の基準線と、前記基板におい
て前記操作子の回動中心より所定距離離間した位
置に前記第１の基準線と直交して設けられ測定波
形の谷部に一致される第２の基準線と、前記操作
子においてこの操作子の回動中心より操作子他端
部方向に設けられ前記第２の基準線によつて一致
された測定波形の谷部に一致される測定線と、こ
の測定線の移動範囲に対応して設けられこの測定
線によつて指示される測定波形の振幅値より絶対
値を較正する較正表と、前記基板に設けられ測定
波形の継続時間を測定する目盛とを具備したこと
を特徴とする波形較正器。 a board made of a translucent member; an operator made of a translucent member with one end rotatably attached to the board; and the other end of the operator from the center of rotation of the operator on the board. a first reference line that is provided in the direction and coincides with the peak of the measurement waveform; and a first reference line that is provided perpendicularly to the first reference line at a position on the board at a predetermined distance from the center of rotation of the operator for measurement. a second reference line that coincides with the trough of the waveform; and a measurement waveform that is aligned with the second reference line that is provided in the operator from the center of rotation of the operator toward the other end of the operator. a measurement line that coincides with the trough of the measurement line, a calibration table that is provided corresponding to the movement range of the measurement line and that calibrates the absolute value from the amplitude value of the measurement waveform indicated by the measurement line; A waveform calibrator comprising: a scale for measuring the duration of a measured waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP627183U JPS59113765U (en) | 1983-01-20 | 1983-01-20 | waveform calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP627183U JPS59113765U (en) | 1983-01-20 | 1983-01-20 | waveform calibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59113765U JPS59113765U (en) | 1984-08-01 |
| JPH0416940Y2 true JPH0416940Y2 (en) | 1992-04-15 |
Family
ID=30137828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP627183U Granted JPS59113765U (en) | 1983-01-20 | 1983-01-20 | waveform calibrator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59113765U (en) |
-
1983
- 1983-01-20 JP JP627183U patent/JPS59113765U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59113765U (en) | 1984-08-01 |
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