JPH045684A - Detection/display device - Google Patents
Detection/display deviceInfo
- Publication number
- JPH045684A JPH045684A JP10792990A JP10792990A JPH045684A JP H045684 A JPH045684 A JP H045684A JP 10792990 A JP10792990 A JP 10792990A JP 10792990 A JP10792990 A JP 10792990A JP H045684 A JPH045684 A JP H045684A
- Authority
- JP
- Japan
- Prior art keywords
- display
- detection
- circuit
- detected
- led
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000009499 grossing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004397 blinking Effects 0.000 description 1
Landscapes
- Indicating Measured Values (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、数値又は文字表示素子を有する検出装置に関
するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a detection device having a numerical or character display element.
例えば第５図は、昭和６３年電気学会全国大会論文１０
５５項「デジタル形高圧受電用過電流りし−の開発」に
示された従来の過電流継電器の内部１０ツク図である。For example, Figure 5 shows Paper 10 of the 1986 National Conference of the Institute of Electrical Engineers of Japan.
It is a 10-step internal diagram of a conventional overcurrent relay shown in Section 55 "Development of overcurrent relay for digital high voltage power reception."
Ｃ相からの電流入力はＣ相整流平滑回路（１）にて直流
電圧信号に変換される。Current input from the C phase is converted into a DC voltage signal by the C phase rectifying and smoothing circuit (1).
又Ｔ相からの電流入力も同様に、Ｔ相整流平滑回路（２
）にて変換されろ。これらのイ＝号は、マイクロコノピ
ユータ内のＡ／Ｄ変換器（３）に取り込まれ、電流信号
データとして、入力されるマイクロコンピュータ内部で
は、この電流信号入力データと限時電流整定回路（４）
、（５）瞬時電流整定回路からの動作値整定データとの
レベル判定処理、演算処理し、ダイヤル整定回路（６）
からの動作時間整定データより算出した動作時間後、出
力すし一回路（７）と動作表示器回路（８）へ信号を出
力する。Similarly, the current input from the T phase is connected to the T phase rectifying and smoothing circuit (2
) to be converted. These I= signs are taken into the A/D converter (3) in the microcomputer and input as current signal data. )
, (5) Level judgment processing and arithmetic processing with the operating value setting data from the instantaneous current setting circuit, and dial setting circuit (6)
After the operation time calculated from the operation time setting data from , a signal is output to the output sushi circuit (7) and the operation indicator circuit (8).
（７）は、各回路へ電源を供給する定電圧回路である。(7) is a constant voltage circuit that supplies power to each circuit.
この定電圧電源やブロゲラムデータを、マイクロコンピ
ュータ内部で監視し、正常である時、ＲＵＮ表示回路０
０）へ信号を出力し、ＬＥＤを点灯させる。（１１）は
数値表示回路であり、表示選択整定回路（１２）により
、任意の表示項目を選択し、表示する。This constant voltage power supply and bloggerum data are monitored inside the microcomputer, and when they are normal, the RUN display circuit is 0.
0) and lights up the LED. (11) is a numerical display circuit, and a display selection setting circuit (12) selects and displays an arbitrary display item.
第６図は、このリレーの正面から見た図であり、三菱電
機（株）発行の三菱高圧受配電用過電流継電器カタログ
（Ｎｏ、Ｓ Ｅ−Ｅ ３８０−Ｃ） （昭和６３年８月
作成）からの抜粋である。第６図において、（２０）は
ＲＵＮ表示ＬＥＤ、（２１）は限時電流整定、瞬時電？
ＩＥ整定、ダイヤル整定の各スイッチ、（２２）は動作
表示器、（２３）表示選択整定スイッチ、（２４）は、
数値表示ＬＥＤである。Figure 6 is a front view of this relay, and is from the Mitsubishi High Voltage Power Receiving and Distribution Overcurrent Relay Catalog (No. SEE 380-C) published by Mitsubishi Electric Co., Ltd. (created in August 1988). ) is an excerpt from In Figure 6, (20) is the RUN display LED, and (21) is the time-limited current setting and instantaneous current setting.
IE setting and dial setting switches, (22) is an operation indicator, (23) display selection setting switch, (24) is
It is a numerical display LED.
従来の例にあげたこのリレーは、過電流継電器としての
構成をしていたので、数値表示としては、試験時又は、
実運用時に印加電流とリレー内部計測値との比較ができ
る様に設けたリレー入力端子計測値表示、限時電流・瞬
時電流・ダイヤルの各整定値を表示する整定値表示、リ
レーの動作時間特性が、入力電流値により、変化する反
限時特性の為、動作検出した時に「０」を表示し、その
後、動作に至るまでの経過を、「１」からｒｌＯＪまで
のカウントアツプ表示し、「１０」になった時に、動作
出力する時限経過表示と、始動表示がある。This relay, which was given as a conventional example, was configured as an overcurrent relay, so the numeric display would be during testing or
The relay input terminal measured value display is provided so that the applied current can be compared with the internal measured value of the relay during actual operation, the setting value display that displays each setting value of time-limited current, instantaneous current, and dial, and the operating time characteristics of the relay are displayed. , Due to the inverse time characteristic that changes depending on the input current value, "0" is displayed when operation is detected, and then the progress up to operation is displayed as a count-up from "1" to rlOJ, and "10" is displayed. There is a time limit elapsed display and a start display that output the operation when the timer is reached.
〔発明が解決しようとする課題〕
従来は、過電流継電器であったのて、電流入力と言う１
種類の入力のみてあった為、従来の様な数値表示機能で
充分であった。しかし、地絡方向継電器の様な、零相電
流（以下Ｉｏと称す）、零相電圧（以下Ｖｏと称す）と
言う２種類の値を使って判定するリレーについて１．ｔ
、Ｉｏと、Ｖｏの両方の動作検出値を見る為に数値表示
とは別の表示機能を必要としていた。[Problem to be solved by the invention] Conventionally, overcurrent relays were replaced by current input relays.
Since only the type was input, the conventional numerical display function was sufficient. However, regarding relays such as ground fault directional relays that make judgments using two types of values: zero-sequence current (hereinafter referred to as Io) and zero-sequence voltage (hereinafter referred to as Vo), 1. t
, Io, and Vo, a display function other than numerical display was required in order to view the detected operation values of both Io and Vo.
だが、その為には、第５図に示した様は従来のものに動
作検出表示用の表示素子及び駆動回路等を追加する必要
があり、部品単体や、それらを取付けするコストがかが
ろばかりでなく、部品取付はスペースにも問題があった
。However, in order to do this, as shown in Figure 5, it is necessary to add a display element for motion detection display, a drive circuit, etc. to the conventional one, which reduces the cost of individual parts and the cost of installing them. Not only that, but there was also a problem of space when installing parts.
本発明は、上記の様な課題を解決する為になされたもの
で、従来の数値表示以外に特別な表示素子を用いる事な
しに、ＩｏとＶｏの両方の動作検出表示ができる事を目
的とする。The present invention was made to solve the above-mentioned problems, and its purpose is to be able to detect and display both Io and Vo without using any special display element other than the conventional numerical display. do.
本発明に係る検出表示装置は、入力値を表示する表示部
、及び初期設定を超えた入力量を検出する機能をもつ検
出手段、前記初期設定を超又た入力量を検出したことを
前記表示部に表示する手段を備えたものである。The detection display device according to the present invention includes a display unit that displays an input value, a detection means that has a function of detecting an input amount that exceeds the initial setting, and a display that indicates that the input amount that exceeds the initial setting is detected. It is equipped with means for displaying on the section.
この発明における検出表示装置は、入力値を表示する表
示部及び初期設定を超えた入力量を検出する機能をもつ
検出手段、前記初期設定を超えた入力量を検出したこと
を前記表示部に表示する手段を備えているので、初期設
定を超えた入力量を検出したことを表示することが可能
となると共に、従来の数値表示を行なう表示部以外に特
別な表示部を設けることなく、初期設定を超えた入力量
を検出したことを表示することができろ。The detection display device according to the present invention includes a display unit that displays an input value, a detection means that has a function of detecting an input amount that exceeds the initial setting, and a display unit that displays on the display unit that the input amount that exceeds the initial setting is detected. This makes it possible to display that an input amount exceeding the initial setting has been detected, and also allows the initial setting to be performed without the need for a special display section other than the conventional display section that displays numerical values. It should be possible to display that an input amount exceeding the limit has been detected.
以下、この発明の一実施例を図について説明する。第１
図は、従来の過電流継電器に、本発明の検出表示を使用
した場合の内部ブロック図であり、第５図と同じ記号は
、同−又は、同等の部分を示し、説明を省略する。（３
１）はＩｏの整流平滑回路、（３２）ばＶＯの整流、平
滑回路、（３３）は工０整定回路、〔３４）はＶｏ整定
回路、（３５）は動作時間整定回路となっている。An embodiment of the present invention will be described below with reference to the drawings. 1st
The figure is an internal block diagram when the detection display of the present invention is used in a conventional overcurrent relay. The same symbols as in FIG. 5 indicate the same or equivalent parts, and the explanation will be omitted. (3
1) is a rectifying and smoothing circuit for Io, (32) is a rectifying and smoothing circuit for VO, (33) is a zero setting circuit, [34] is a Vo setting circuit, and (35) is an operating time setting circuit.
図を見て分かる通り、過電流継電器から、地絡方向継電
器とする事で、各入力回路、整定回路等は変わるが、表
示機能については第１図（１２）表示選択整定回路に、
検出表示ポジン−Ｊ′−を別に設ける以外は、従来と変
わらずに、マイクロコンピュータ内部のプログラム変更
の対応により、本発明の検出表示装置を実現している。As you can see from the diagram, each input circuit, setting circuit, etc. will change by changing from an overcurrent relay to a ground fault direction relay, but regarding the display function, see the display selection setting circuit in Figure 1 (12).
The detection and display device of the present invention is realized by changing the program inside the microcomputer in the same way as in the prior art except for separately providing the detection and display posin -J'-.
検出表示装置の数値表示機能を使用した表示例について
説明する。A display example using the numerical display function of the detection display device will be explained.
第２図の表示選択スイッチ（２２）のボゴンーｌシを検
出表示に合わせた状態で、例えば第２図に於てＩＯを検
出した時に、Ｌ Ｅ Ｄ （４０）を点灯させ、■０を
検出した時にＬ Ｅ Ｄ （４１１を点灯させる。１又
１よ、第３図に於て、ＬＥＤセグメントを使用してＩＯ
検検出軸セグメント（４２）を点灯させ、ＶＯ核検出時
セグメント（４３）を点灯させろ。With the display selection switch (22) shown in Fig. 2 set to the detection display, for example, when IO is detected in Fig. 2, L E D (40) is lit, and ■ 0 is detected. 1 or 1, in Figure 3, the LED segment is used to
Light up the detection axis segment (42) and light up the VO nuclear detection segment (43).
但し、セグメントは、これ以外に、他の位置を使用して
も良い。又、２本以上の組合せも可能であり、第２図で
説明したＬ Ｅ Ｄ （４０） （４］１の組合せも可
能である。第４図に於て、Ｉｏ検出時に表示素子（４４
）に“Ａ“を点灯させ、ＶＯ核検出時表示素子（４５）
に“Ｃ”等の文字を点灯させる。However, the segment may use other positions in addition to this. Further, a combination of two or more is also possible, and a combination of L E D (40) (4]1 explained in Fig. 2 is also possible. In Fig. 4, when Io is detected, the display element (44)
) lights up “A” and the display element (45) when detecting VO nucleus.
Light up a letter such as “C”.
以上の方式は、地絡方向継電器を例に、Ｉｏ。The above method takes Io as an example of a ground fault directional relay.
ＶＯの様は２種類の入力の場合の説明を行ないましたが
、地絡方向継電器に限らず、これ以外にもっと多種類入
力の場合にも適用する。VO explained the case with two types of input, but it is not limited to earth fault directional relays, but also applies to cases with many more types of input.
表示素子（４４） （４５）についても実施例では、２
桁の７セグメントＬＥＤ表示素子を示したが、これ以外
の桁数、セグメント数も可能であり、素子もＬＥＤ以外
にＬＣＤ等の場合にも適用する。In the embodiment, the display elements (44) and (45) also have 2
Although a 7-digit LED display element is shown, other numbers of digits and segments are also possible, and the element is also applicable to LCDs and the like in addition to LEDs.
又、表示素子の点灯方法も、点滅等の場合にも適用する
。Furthermore, the lighting method of the display element is also applied to cases such as blinking.
入力値を表示する機能を有する表示手段、及び初期設定
を超えた入力量を検出する機能をもつ検出手段、前記初
期設定を超えた入力量を検出したことを前記表示手段に
表示する手段を備えたものであるので、検出専用の素子
及び回路が不要となるので装置が安価になる。A display means having a function of displaying an input value, a detection means having a function of detecting an input amount exceeding the initial setting, and a means for displaying on the display means that an input amount exceeding the initial setting has been detected. Since the detection device does not require an element or circuit dedicated to detection, the device becomes inexpensive.
第１図は、本発明の検出表示装置を適用した、地絡方向
継電器の一例を示す内部ブロック図、第２図、第３図、
第４図は、第１図での表示方法を説明する為の表示方法
例を示す表示部の正面図、第５図は従来の過電流継電器
の内部ブロック図、第６図は、第５図の継電器の正面か
ら見た図である。
図において、（１１はＣ相定流平滑回路、（２）：よＴ
相整流平滑回路、（３）はマイクロコンピュータ、（４
）は限時整定回路、（５）は瞬時整定回路、（６）はダ
イヤル整定回路、（７）は出力リレー、（８）は動作表
示器、（９）は定電圧回路、αＯ）はＲＵＮ表示回路、
（１１）は数値表示回路、（１２）は表示選択回路、（
２０）はＲＵＮ表示ＬＥＤ、（２１）は限時、瞬時、ダ
イヤル整定スイッチ、（２２）は表示選択整定スイッチ
、（２３）は動作表示器、（２４）は数値表示ＬＥＤ、
（３１）はＩｏ整流平滑回路、（３２）はＶＯ整流平滑
回路、（３３１Ｉ ｏ整定回路、（３４１Ｖ ｏ整定回
路、（３５）動作時間整定回路である。
なお、図中、同一符号は同一、又は相当部分をボす。FIG. 1 is an internal block diagram showing an example of a ground fault direction relay to which the detection display device of the present invention is applied, FIG. 2, FIG.
FIG. 4 is a front view of a display section showing an example of a display method for explaining the display method in FIG. 1, FIG. 5 is an internal block diagram of a conventional overcurrent relay, and FIG. FIG. 2 is a front view of the relay. In the figure, (11 is a C-phase constant current smoothing circuit, (2): YoT
Phase rectifier smoothing circuit, (3) microcomputer, (4
) is a time-limited setting circuit, (5) is an instantaneous setting circuit, (6) is a dial setting circuit, (7) is an output relay, (8) is an operation indicator, (9) is a constant voltage circuit, and αO) is a RUN display. circuit,
(11) is a numerical display circuit, (12) is a display selection circuit, (
20) is a RUN display LED, (21) is a time-limited, instantaneous, and dial setting switch, (22) is a display selection setting switch, (23) is an operation indicator, (24) is a numerical display LED,
(31) is an Io rectification and smoothing circuit, (32) is a VO rectification and smoothing circuit, (331Io setting circuit, (341Vo setting circuit), (35) is an operation time setting circuit. In addition, in the figure, the same reference numerals are the same, Or leave out a considerable portion.
Claims (1)
を検出する機能をもつ検出手段、前記初期設定を超えた
入力量を検出したことを前記表示部に表示する手段を備
えた検出表示装置。A detection display comprising: a display section that displays an input value; a detection means having a function of detecting an input amount exceeding the initial setting; and a means for displaying on the display section that an input amount exceeding the initial setting has been detected. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10792990A JPH045684A (en) | 1990-04-23 | 1990-04-23 | Detection/display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10792990A JPH045684A (en) | 1990-04-23 | 1990-04-23 | Detection/display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045684A true JPH045684A (en) | 1992-01-09 |
Family
ID=14471634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10792990A Pending JPH045684A (en) | 1990-04-23 | 1990-04-23 | Detection/display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045684A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158798A (en) * | 1982-03-15 | 1983-09-21 | 株式会社デンソー | Compound display for vehicle |
| JPS6057388A (en) * | 1983-09-08 | 1985-04-03 | 豊田合成株式会社 | Display |
-
1990
- 1990-04-23 JP JP10792990A patent/JPH045684A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158798A (en) * | 1982-03-15 | 1983-09-21 | 株式会社デンソー | Compound display for vehicle |
| JPS6057388A (en) * | 1983-09-08 | 1985-04-03 | 豊田合成株式会社 | Display |
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