JPH0247503Y2 - - Google Patents
Info
- Publication number
- JPH0247503Y2 JPH0247503Y2 JP16197581U JP16197581U JPH0247503Y2 JP H0247503 Y2 JPH0247503 Y2 JP H0247503Y2 JP 16197581 U JP16197581 U JP 16197581U JP 16197581 U JP16197581 U JP 16197581U JP H0247503 Y2 JPH0247503 Y2 JP H0247503Y2
- Authority
- JP
- Japan
- Prior art keywords
- connector
- control
- conversion
- signal
- terminal
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 41
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
【考案の詳細な説明】
〔考案の目的〕
（産業上の利用分野）
本考案は複数の変換部のデータを、コネクタを
介して、信号処理部に取込むと共に、変換部の変
換条件に応じて異なる処理を行う電気的変量の測
定装置に関する。[Detailed description of the invention] [Purpose of the invention] (Field of industrial application) The present invention takes data from multiple converters into a signal processing unit via a connector, and also processes the data according to the conversion conditions of the converters. The present invention relates to an electrical variable measuring device that performs different processes.
（従来の技術）
一般に電流や電圧を測定する場合、その測定範
囲が非常に広いため、変流器や変圧器等の変換部
を用いた間接測定が行われる。この場合、変流器
や変圧器の二次側の値が同じでも変流比や変圧比
によつて一次側の値は大きく異なつている。(Prior Art) Generally, when measuring current or voltage, the measurement range is very wide, so indirect measurement is performed using a converter such as a current transformer or a transformer. In this case, even if the values on the secondary side of a current transformer or transformer are the same, the values on the primary side vary greatly depending on the current transformation ratio or transformation ratio.
従つて、一次側の値を求めようとすれば、変流
比や変圧比等の変換条件に応じて異なる処理を行
わなければならない。 Therefore, in order to obtain the value on the primary side, different processing must be performed depending on conversion conditions such as the current transformation ratio and the voltage transformation ratio.
この種の電気的変量の測定装置は、第１図に示
すように、変換部１の出力信号がコネクタ３を介
して信号処理部２内の入力回路４に取込まれた
後、処理回路６に入力される。 As shown in FIG. 1, in this type of electrical variable measuring device, after an output signal from a converting section 1 is taken in to an input circuit 4 in a signal processing section 2 via a connector 3, a processing circuit 6 is input.
ここで、処理回路６が変換部１の変換条件に見
合つた処理を行うべく、処理方法切替用の切替ス
イツチ７が設けられ、この切替スイツチ７の変換
条件信号（以下、制御信号という）に基いて制御
回路５が処理回路６に指令を与えて各種の演算や
表示を行つている。 Here, in order for the processing circuit 6 to perform processing that meets the conversion conditions of the conversion section 1, a changeover switch 7 for switching the processing method is provided, and a conversion condition signal (hereinafter referred to as a control signal) of the changeover switch 7 is used. A control circuit 5 gives commands to a processing circuit 6 to perform various calculations and displays.
この場合、信号処理部２は変換条件の異なる変
換部１に対応して適切な処理を行い得るものであ
るが、複数の変換部を交換して使用するには通常
コネクタ３の部分での差替えが行われる。 In this case, the signal processing section 2 can perform appropriate processing in response to the conversion sections 1 having different conversion conditions, but in order to replace and use multiple conversion sections, it is usually necessary to replace the connector 3. will be held.
つまり、信号処理部に設けられている１個の共
通接続子に、複数の変換部のそれぞれの出力端に
設けられた接続子を差替え接続している。 That is, the connectors provided at the respective output ends of the plurality of conversion sections are connected to one common connector provided in the signal processing section by replacement.
（考案が解決しようとする課題）
かかる従来の電気的変量の測定装置にあつて
は、変換条件の異なる変換部１を接続する毎に、
オペレータが切替スイツチ７を切替えなければな
らないように構成されていたため、ある程度の誤
操作は避けられず、これによつて大きな測定誤差
を生じるという問題があつた。(Problem to be solved by the invention) In such a conventional electrical variable measuring device, each time a converter 1 with a different conversion condition is connected,
Since the configuration is such that the operator must change the changeover switch 7, a certain degree of erroneous operation is unavoidable, resulting in a problem of large measurement errors.
この考案は上記の問題点を解決するためになさ
れたもので、接続子の差替えによつて信号処理部
に取込まれた変換部のデータを、変換条件に応じ
て自動的に処理し得る電気的変量の測定装置を提
供することを目的とする。 This idea was made in order to solve the above problems, and it is an electrical system that can automatically process the data of the conversion section taken into the signal processing section by replacing the connector, according to the conversion conditions. The purpose of this invention is to provide a measuring device for measuring variables.
（課題を解決するための手段）
この考案は、それぞれ電気的変量に対応した電
気信号を出力する接続子を有し、互いに電気信号
への変換条件が異なる複数の変換部と、前記接続
子の差替え接続が可能な共通接続子を有し、この
共通接続子にいずれか一つの前記変換部の接続子
を接続して電気信号を取込むと共に、この変換部
の変換条件に対応した信号処理を行う信号処理部
とを備える電気的変量の測定装置において、前記
接続子および共通接続子はデータ端子と並べて相
互接続される電源端子および複数の制御端子を有
し、前記変換部の接続子の電源端子を他の変換部
の接続子とは異なる位置の前記制御端子に接続
し、前記共通接続子の電源端子を制御信号電源の
一端に接続すると共に、前記共通接続子の各制御
端子をそれぞれ抵抗を介して前記制御信号電源の
他端に接続し、前記接続子を差替える毎に前記共
通接続子の異なる制御端子より電圧信号を発生さ
せて前記変換部の変換条件に対応した信号処理を
行うことを特徴とするものである。
(Means for Solving the Problems) This invention includes a plurality of converting units each having a connector that outputs an electrical signal corresponding to an electrical variable and having different conditions for converting the connector into an electrical signal, and It has a common connector that can be connected interchangeably, and connects the connector of any one of the conversion units to this common connector to receive an electrical signal and performs signal processing corresponding to the conversion conditions of this conversion unit. In the electrical variable measuring device, the connector and the common connector have a power terminal and a plurality of control terminals that are interconnected in parallel with the data terminal, and A terminal is connected to the control terminal at a different position from the connectors of other conversion parts, a power terminal of the common connector is connected to one end of the control signal power supply, and each control terminal of the common connector is connected to a resistor. is connected to the other end of the control signal power supply via the connector, and each time the connector is replaced, a voltage signal is generated from a different control terminal of the common connector to perform signal processing corresponding to the conversion condition of the converter. It is characterized by this.
（作用）
この考案において、変換部毎に共通接続子の異
なる制御端子より電圧信号を発生させ、信号処理
部はこの電圧信号の発生位置により予め定めた処
理を行うので、オペレータが介在しなくとも変換
部の変換条件に応じた処理ができる。(Function) In this invention, voltage signals are generated from different control terminals of the common connector for each conversion section, and the signal processing section performs predetermined processing based on the generation position of this voltage signal, so there is no need for operator intervention. Processing can be performed according to the conversion conditions of the conversion unit.
（実施例）
第２図はこの考案の一実施例のうち、信号処理
部２に設けられた共通接続子の結線図、第３図ａ
およびｂはこの共通接続子に差替え接続される各
変換部の接続子の結線状態および接続状態を示し
た図である。(Example) Fig. 2 is a wiring diagram of a common connector provided in the signal processing section 2, and Fig. 3 a is an example of this invention.
and b are diagrams showing the wiring state and the connection state of the connectors of each conversion unit that are connected to this common connector by replacement.
ここで、共通接続子３ｃは変換部の信号を入力
するためのデータ端子ａ１，ａ２、制御信号電源
の一端（＋）に接続される電源端子１ｂ、およ
び、制御信号を発生するための制御端子ｂ２，ｂ
３を備え、このうち、制御端子ｂ２，ｂ３はそれ
ぞれ抵抗器８を介して制御信号電源の他端（−）
に接続される。 Here, the common connector 3c includes data terminals a1 and a2 for inputting signals of the conversion section, a power supply terminal 1b connected to one end (+) of the control signal power supply, and a control terminal for generating a control signal. b2,b
3, among which control terminals b2 and b3 are connected to the other end (-) of the control signal power supply via a resistor 8, respectively.
connected to.
一方、変換部１Ａの接続子３Ａもまた、共通接
続子３ｃと相互接続されるデータ端子ａ１，ａ
２、電源端子ｂ１、および、制御端子ｂ２，ｂ３
を備え、このうち、電源端子ｂ１と制御端子ｂ２
とが結線されている。 On the other hand, the connector 3A of the converter 1A also has data terminals a1 and a interconnected with the common connector 3c.
2. Power terminal b1 and control terminals b2, b3
Of these, a power terminal b1 and a control terminal b2
are connected.
また、変換部１Ｂの接続子３Ｂもまた、共通接
続子３Ｃと相互接続されるデータ端子ａ１，ａ
２、電源端子ｂ１、および、制御端子ｂ２，ｂ３
を備え、このうち、電源端子ｂ１と制御端子ｂ３
とが結線されている。 Further, the connector 3B of the converter 1B also has data terminals a1 and a interconnected with the common connector 3C.
2. Power terminal b1 and control terminals b2, b3
Of these, a power terminal b1 and a control terminal b3
are connected.
次に、第４図はこの実施例の全体構成を示すブ
ロツク図で、図中第１図と同一の符号を付したも
のはそれぞれ同一の要素を示し、第１図と比較し
て切替スイツチ７が除去された点、および、共通
接続子３Ｃの電源端子ｂ１に制御信号電源の一端
（＋）が接続され、制御端子ｂ２，ｂ３が制御回
路５に接続された点、ならびに、共通接続子３Ｃ
の制御端子ｂ２，ｂ３がそれぞれ抵抗器８を介し
て制御信号電源の他端（−）に接続された点が異
なつている。 Next, FIG. 4 is a block diagram showing the overall configuration of this embodiment. In the figure, the same reference numerals as in FIG. 1 indicate the same elements. is removed, one end (+) of the control signal power supply is connected to the power supply terminal b1 of the common connector 3C, and the control terminals b2 and b3 are connected to the control circuit 5, and the common connector 3C
The difference is that the control terminals b2 and b3 of the control terminals b2 and b3 are each connected to the other end (-) of the control signal power source via a resistor 8.
第２図乃至第４図において、信号処理部２の共
通接続子３Ｃに例えば変換部１Ｂの接続子３Ｂを
接続した場合、変換部１Ｂのデータはデータ端子
ａ１，ａ２を介してそのまま入力回路４に取込ま
れる。一方、接続子３Ｂの電源端子ｂ１と制御端
子ｂ３とが接続され、共通接続子３Ｃの制御端子
ｂ２，ｂ３がそれぞれ抵抗器８を介して制御信号
電源の（−）端子に接続されているため、この共
通接続子３Ｃの電源端子ｂ１に制御信号電源の
（＋）電圧を印加すれば、この制御端子ｂ２には
低レベルの信号“Ｌ”が、制御端子ｂ３には高レ
ベルの信号“Ｈ”が発生し、制御端子ｂ２，ｂ３
の順に“Ｌ”、“Ｈ”の制御信号が制御回路５に加
えられる。 In FIGS. 2 to 4, when the common connector 3C of the signal processing unit 2 is connected to the connector 3B of the conversion unit 1B, the data of the conversion unit 1B is directly transferred to the input circuit 4 via the data terminals a1 and a2. be taken into account. On the other hand, the power terminal b1 and control terminal b3 of the connector 3B are connected, and the control terminals b2 and b3 of the common connector 3C are each connected to the (-) terminal of the control signal power source via the resistor 8. , when the (+) voltage of the control signal power source is applied to the power supply terminal b1 of this common connector 3C, a low level signal "L" is applied to this control terminal b2, and a high level signal "H" is applied to the control terminal b3. ” occurs, and the control terminals b2 and b3
Control signals of "L" and "H" are applied to the control circuit 5 in this order.
同様にして、信号処理部２の共通接続子３Ｃ
に、変換部１Ａの接続子３Ａを接続した場合に
は、変換部１Ａのデータはデータ端子ａ１，ａ２
を介してそのまま入力回路４に取込まれる一方、
共通接続子の制御端子ｂ２には高レベルの信号
“Ｈ”が、制御端子ｂ３には低レベルの信号“Ｌ”
が発生し、制御端子ｂ２，ｂ３の順に“Ｈ”、
“Ｌ”の制御信号が制御回路５に加えられる。 Similarly, the common connector 3C of the signal processing section 2
When the connector 3A of the converter 1A is connected to
While it is taken into the input circuit 4 as it is via
A high level signal “H” is applied to the control terminal b2 of the common connector, and a low level signal “L” is applied to the control terminal b3.
occurs, and the control terminals b2 and b3 are set to “H” in that order.
A control signal of “L” is applied to the control circuit 5.
かくして、制御回路５は制御端子順に“Ｌ”、
“Ｈ”の制御信号が加えられたか、あるいは、
“Ｈ”、“Ｌ”の制御信号が加えられたかによつて、
信号処理部２に取込まれたデータが変換部１Ｂの
ものであるか、あるいは、変換部１Ａのものかを
判断して制御回路５に対して変換条件に応じた処
理を行なわせることができる。 In this way, the control circuit 5 sets the control terminals to "L" in order.
A “H” control signal is applied, or
Depending on whether “H” or “L” control signals are applied,
It is possible to determine whether the data taken into the signal processing section 2 is from the conversion section 1B or from the conversion section 1A, and to cause the control circuit 5 to perform processing according to the conversion conditions. .
すなわち、接続子の差替えによつて取込まれる
複数の変換部のデータを、変換条件に応じて自動
的に処理することができる。 In other words, data from a plurality of converters that are imported by replacing connectors can be automatically processed according to conversion conditions.
なお、上記実施例では、第３図ａおよびｂに示
したように、変換条件の異なる変換部１Ａ，１Ｂ
について説明したが、これら以外のもう一つの変
換部の接続子に対して、その電源端子ｂ１を制御
端子ｂ２，ｂ３の双方に接続すれば、共通接続子
３Ｃの制御端子ｂ２，ｂ３から“Ｈ”、“Ｈ”の制
御信号が出力されることになり、これによつてさ
らにもう一つの変換部の信号処理も可能である。 In the above embodiment, as shown in FIGS. 3a and 3b, the converters 1A and 1B have different conversion conditions.
However, if the power supply terminal b1 is connected to both the control terminals b2 and b3 of the connector of another converter other than these, "H" will be output from the control terminals b2 and b3 of the common connector 3C. ”, “H” control signals are output, which enables signal processing of yet another converter.
なおまた、上記実施例では、２個のデータ端
子、１個の電源端子、２個の制御端子を有する接
続子および共通接続子について説明したが、変換
部が多数の場合には制御端子を増加して、各接続
子の電源端子を、他の接続子とは互いに異なる位
置の制御端子に接続すれば、上述した同様に、そ
れぞれの変換部のデータを、変換条件に応じて自
動的に処理することができる。 Furthermore, in the above embodiment, a connector and a common connector having two data terminals, one power supply terminal, and two control terminals were described, but if there are a large number of converters, the number of control terminals may be increased. Then, if you connect the power terminal of each connector to the control terminal in a different position from the other connectors, the data of each converter can be automatically processed according to the conversion conditions, as described above. can do.
また、上記実施例では１個の接続子に１個の変
換部を接続するものについて説明したが、第５図
に示すように、１個の接続子に複数の変換部１Ａ
〜１Ｎを接続する場合には、変換部の数に応じた
データ端子a1〜aoと、この変換部の数および変換
条件に応じた制御端子b1〜boを備える接続子およ
び共通接続子を用い、変換部の変換条件に応じた
制御信号を発生させることにより、上述したと同
様、オペレータを介在させることなく自動的にデ
ータを処理することができる。 Further, in the above embodiment, one converter is connected to one connector, but as shown in FIG.
When connecting ~1N, a connector and a common connection are provided with data terminals a 1 to a o according to the number of converters and control terminals b 1 to b o according to the number of converters and conversion conditions. By using the converter to generate a control signal according to the conversion conditions of the converter, data can be automatically processed without operator intervention, as described above.
以上の説明によつて明らかな如く、本考案の電
気的変量の測定装置によれば、接続子の差替えと
同時にこの接続子に繋がれた変換部の変換条件に
応じた信号処理が自動的に行われ、これによつ
て、ある程度は避けられないものと見做されたオ
ペレータの測定誤差がなくなり、信頼性の極めて
高い測定結果が得られる。
As is clear from the above explanation, according to the electrical variable measuring device of the present invention, signal processing according to the conversion conditions of the converter connected to the connector is automatically performed at the same time as the connector is replaced. This eliminates operator measurement errors, which are considered to be somewhat unavoidable, and provides extremely reliable measurement results.
第１図は従来の電気的変量の測定装置の構成を
示すブロツク図、第２図および第３図ａ，ｂは本
考案の一実施例の主要部の構成を示す結線図、第
４図は同実施例の全体構成を示すブロツク図、第
５図は本考案の他の実施例の主要部の構成を示す
結線図である。
１，１Ａ，１Ｂ〜１Ｎ……変換部、２……信号
処理部、３……コネクタ、３Ａ，３Ｂ……接続
子、３Ｃ……共通接続子、４……入力回路、５…
…制御回路、６……処理回路、７……切替スイツ
チ、８……抵抗器。
FIG. 1 is a block diagram showing the configuration of a conventional electrical variable measuring device, FIGS. 2 and 3 a and b are wiring diagrams showing the configuration of the main parts of an embodiment of the present invention, and FIG. FIG. 5 is a block diagram showing the overall structure of the same embodiment, and FIG. 5 is a wiring diagram showing the structure of the main parts of another embodiment of the present invention. 1, 1A, 1B to 1N... Conversion unit, 2... Signal processing unit, 3... Connector, 3A, 3B... Connector, 3C... Common connector, 4... Input circuit, 5...
...control circuit, 6...processing circuit, 7...changeover switch, 8...resistor.
Claims (1)
する接続子を有し、互いに電気信号への変換条件
が異なる複数の変換部と、前記接続子の差し替え
接続が可能な共通接続子を有し、この共通接続子
にいずれか一つの前記変換部の接続子を接続して
電気信号を取り込むと共に、この変換部の変換条
件に対応した信号処理を行う信号処理部とを備え
る電気的変量の測定装置において、前記接続子お
よび共通接続子はデータ端子と並べて相互接続さ
れる電源端子および複数の制御端子を有し、前記
変換部の接続子の電源端子を他の変換部の接続子
とは異なる位置の前記制御端子に接続し、前記共
通接続子の電源端子を制御信号電源の一端に接続
すると共に、前記共通接続子の各制御端子をそれ
ぞれ抵抗器を介して前記制御信号電源の他端に接
続し、前記接続子を差替える毎に前記共通接続子
の異なる制御端子より電圧信号を発生させて前記
変換部の変換条件に対応した信号処理を行うこと
を特徴とする電気的変量の測定装置。 It has a plurality of converters each having a connector that outputs an electrical signal corresponding to an electrical variable and has different conversion conditions to an electrical signal, and a common connector that allows the connectors to be replaced and connected. An electrical variable measuring device comprising: a signal processing unit that connects a connector of one of the conversion units to a common connector to capture an electrical signal, and performs signal processing corresponding to conversion conditions of the conversion unit; , the connector and the common connector have a power terminal and a plurality of control terminals that are interconnected in parallel with data terminals, and the power terminal of the connector of the conversion unit is located at a different position from the connectors of other conversion units. A power terminal of the common connector is connected to one end of the control signal power source, and each control terminal of the common connector is connected to the other end of the control signal power source via a resistor. An apparatus for measuring an electrical variable, characterized in that each time the connector is replaced, a voltage signal is generated from a different control terminal of the common connector to perform signal processing corresponding to a conversion condition of the converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16197581U JPS5866363U (en) | 1981-10-30 | 1981-10-30 | Measuring device for electrical variables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16197581U JPS5866363U (en) | 1981-10-30 | 1981-10-30 | Measuring device for electrical variables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5866363U JPS5866363U (en) | 1983-05-06 |
| JPH0247503Y2 true JPH0247503Y2 (en) | 1990-12-13 |
Family
ID=29954311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16197581U Granted JPS5866363U (en) | 1981-10-30 | 1981-10-30 | Measuring device for electrical variables |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5866363U (en) |
-
1981
- 1981-10-30 JP JP16197581U patent/JPS5866363U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5866363U (en) | 1983-05-06 |
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