JP2723666B2 - Relay characteristic measuring instrument and measuring method thereof - Google Patents
Relay characteristic measuring instrument and measuring method thereofInfo
- Publication number
- JP2723666B2 JP2723666B2 JP2295961A JP29596190A JP2723666B2 JP 2723666 B2 JP2723666 B2 JP 2723666B2 JP 2295961 A JP2295961 A JP 2295961A JP 29596190 A JP29596190 A JP 29596190A JP 2723666 B2 JP2723666 B2 JP 2723666B2
- Authority
- JP
- Japan
- Prior art keywords
- relay
- value
- measured
- applied voltage
- power supply
- 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.)
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- Testing Electric Properties And Detecting Electric Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本考案は継電器の特性値の一つである感動値および復
旧値を測定する継電器特性測定器およびその測定方法に
関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a relay characteristic measuring device for measuring a touching value and a restoration value, which are one of characteristic values of a relay, and a measuring method thereof.
従来、この種の継電器特性測定器およびその測定方法
は、第4図に示すように定電圧電源21と、可変抵抗器22
と、スイッチ23とを有して構成し、被測定継電器4を測
定する場合、第4図のように接続し、手動でスイッチ23
を操作しながら、感動値の測定の場合は被測定継電器4
が動作する限界点、復旧値の測定の場合は動作していた
被測定継電器4が復旧する限界点となるように、手動で
可変抵抗器22を操作し、被測定継電器4の両端の電圧、
若しくは被測定継電器4に流れる電流値を測定してい
た。Conventionally, this type of relay characteristic measuring instrument and its measuring method are composed of a constant voltage power supply 21 and a variable resistor 22 as shown in FIG.
When the relay 4 to be measured is measured, it is connected as shown in FIG.
, While measuring the impression value, the measured relay 4
The variable resistor 22 is manually operated such that the measured relay 4 becomes the limit at which the operated relay 4 recovers, and the voltage at both ends of the measured relay 4 is measured.
Alternatively, the value of the current flowing through the relay 4 to be measured was measured.
上述した従来の継電器特性測定器およびその測定方法
は、手動でスイッチおよび可変抵抗器を操作する構成と
なっているので、測定時間が長くかかり、また、測定に
長くかかることによって被測定継電器コイル自体の発熱
による温度上昇でコイル抵抗が上昇し、限界点における
電圧値がコイル抵抗が上昇し、限界点における電圧値が
コイル抵抗上昇分の値を加わった値になるという欠点が
ある。また、測定時間が一定でないことから限界点にお
ける電圧値にばらつきを生じるという欠点がある。The above-described conventional relay characteristic measuring instrument and its measuring method have a configuration in which a switch and a variable resistor are manually operated, so that a long measuring time is required, and a long time is required for the measurement. There is a disadvantage that the coil resistance increases due to the temperature rise due to the heat generation of the coil, the voltage value at the limit point increases, and the voltage value at the limit point becomes a value obtained by adding the value of the coil resistance increase. In addition, since the measurement time is not constant, there is a disadvantage that the voltage value at the limit point varies.
本発明の継電器特性測定器は、被測定継電器へ印加す
る印加電圧の値を入力制御信号によって自動的に可変す
るプログラマブル電源と、前記印加電圧による前記被測
定継電器の動作を識別する識別回路と、前記被測定継電
器の予め定められた定格電圧と、継電器特性測定器の測
定分解能とから(前記測定分解能×2n>前記定格電圧×
1/2)を満たす正整数nを予め求め、(前記測定分解能
×2n)の値を前記被測定継電器への初期印加電圧となる
ように前記プログラマブル電源を初期設定し、前記識別
回路の識別結果信号によって(前記プログラマブル電源
の出力電圧を前回加算若しくは減算した電圧値の1/2)
を前回の印加電圧値に加算若しくは減算した値に出力す
べく前記入力制御信号を自動的に発生して前記プログラ
マブル電源へ送出する制御回路とを有している。」 「本発明の継電器特性の測定方法は、前記被測定継電
器の予め定められた定格電圧と、自己の継電器特性測定
器の測定分解能とから(前記測定分解能×2n>前記定格
電圧×1/2)を満たす正整数nを予め求め、(前記測定
分解能×2n)の値を前記被測定継電器への初期印加電圧
となるように前記プログラマブル電源を初期設定し、前
記識別回路にて印加電圧による前記被測定継電器の動作
を識別し、前記識別回路の識別結果信号によって(前記
プログラマブル電源の出力電圧を前回加算若しくは減算
した電圧値の1/2)を前回の印加電圧値に加算若しくは
減算した値に出力すべく前記プログラマブル電源への入
力制御信号を前記制御回路が自動的に発生し、新しく印
加される印加電圧値による前記被測定継電器の動作を前
記識別回路の識別結果信号から判定して動作限界の印加
電圧値から前記被測定継電器の感動値および復旧値の測
定値を求める方法を有している。The relay characteristic measuring instrument of the present invention is a programmable power supply that automatically changes the value of an applied voltage to be applied to a measured relay by an input control signal, and an identification circuit that identifies an operation of the measured relay by the applied voltage. From the predetermined rated voltage of the relay to be measured and the measurement resolution of the relay characteristic measuring device (the measurement resolution × 2 n > the rated voltage ×
A positive integer n that satisfies 1/2) is obtained in advance, and the programmable power supply is initialized so that the value of (the measurement resolution × 2 n ) becomes an initial voltage applied to the relay to be measured. According to the result signal (1/2 of the voltage value obtained by previously adding or subtracting the output voltage of the programmable power supply)
And a control circuit for automatically generating the input control signal and outputting the input control signal to the programmable power supply so as to output a value obtained by adding or subtracting the previously applied voltage value. "The measuring method of the relay characteristics of the present invention is based on the predetermined rated voltage of the relay to be measured and the measuring resolution of the own relay characteristic measuring device (the measuring resolution × 2 n > the rated voltage × 1/1). 2) A positive integer n that satisfies 2) is obtained in advance, and the programmable power supply is initialized so that the value of (the measurement resolution × 2 n ) becomes the initial applied voltage to the relay to be measured. The operation of the relay to be measured is identified, and (1/2 of the voltage value obtained by previously adding or subtracting the output voltage of the programmable power supply) is added or subtracted from the previously applied voltage value by the identification result signal of the identification circuit. The control circuit automatically generates an input control signal to the programmable power supply so as to output a value, and the operation of the relay under test by a newly applied voltage value is determined by the identification result of the identification circuit. And a method of obtaining a measure of excitement value and recovery value of the measured relay from the application voltage value of the determination to the operation limit from No..
次に、本発明について図面を参照して説明する。 Next, the present invention will be described with reference to the drawings.
第1図は本発明の一実施例を示す継電器特性測定器の
ブロック図、第2図は本実施例における被測定継電器へ
の感動電圧値測定の場合の印加電圧値の計算式の一例を
示す図、第3図は第2図で示した計算式で計算された印
加電圧値を被測定継電器のコイルへ印加する感動電圧値
測定の場合の引火電圧の波形の一例を示す図である。FIG. 1 is a block diagram of a relay characteristic measuring instrument showing one embodiment of the present invention, and FIG. 2 shows an example of a calculation formula of an applied voltage value in the case of measuring a moving voltage value to a relay to be measured in the present embodiment. FIG. 3 is a diagram showing an example of a waveform of a flashing voltage in the case of measuring a sensing voltage value in which the applied voltage value calculated by the calculation formula shown in FIG. 2 is applied to the coil of the relay to be measured.
第1図において、本実施例の継電器特性測定器1は被
測定継電器3へ印加する印加電圧値を入力制御信号に従
って可変するプログラマブル電源11と、被測定継電器3
の動作を被測定継電器3の接点のオンオフによって識別
する識別回路12と、識別回路12からの識別結果信号によ
ってプログラマブル電源11への入力制御信号を発生する
制御回路13っとを有して構成している。In FIG. 1, a relay characteristic measuring instrument 1 of the present embodiment includes a programmable power supply 11 for varying an applied voltage value to be applied to a measured relay 3 in accordance with an input control signal;
And a control circuit 13 for generating an input control signal to the programmable power supply 11 based on an identification result signal from the identification circuit 12. ing.
次に、本実施例の動作および測定方法について第1
図,第2図および第3図を用いて説明する。Next, the operation and the measuring method of the present embodiment will be described first.
Explanation will be made with reference to FIG. 2, FIG. 2 and FIG.
まず、感動電圧値を求める例について説明する。被測
定継電器3の定格電圧を3〔V〕、感動電圧値を1.9
〔V〕、継電器特性測定器1の測定分解能を0.1〔V〕
と仮定する。ここでnを正整数としたとき、式 (測定分解能)×2n}>(被測定継電器3の定格電
圧)×1/2を満たす最小のnは4であり、(測定分解
能)×24=1.6〔V〕である。First, an example of obtaining a moving voltage value will be described. The rated voltage of the relay under test 3 is 3 [V], and the operating voltage is 1.9.
[V], the measurement resolution of the relay characteristic measuring instrument 1 is 0.1 [V].
Assume that Here, when n is a positive integer, the minimum n that satisfies the formula (measurement resolution) × 2 n }> (rated voltage of relay under test 3) × 1/2 is 4, and (measurement resolution) × 2 4 = 1.6 [V].
制御回路13の初期設定として1回目の印加電圧は加算
される電圧値を0〔V〕,加算する電圧値を1.6〔V〕
となるようにプログラマブル電源11を制御し、1.6
〔V〕を被測定継電器3に印加する。この結果は、被測
定継電器3の感動電圧値が1.9〔V〕であるから被測定
継電器3は動作しない。すなわちオフである。As the initial setting of the control circuit 13, the voltage applied to the first application is 0 [V], and the added voltage is 1.6 [V].
Control the programmable power supply 11 so that
[V] is applied to the relay 3 to be measured. This result indicates that the measured relay 3 does not operate because the sensing voltage value of the measured relay 3 is 1.9 [V]. That is, it is off.
2回目から1回目のオフの結果信号を識別回路12から
受信することによって制御回路13が1回目の加算値1.6
〔V〕の1/2である0.8〔V〕を1回目の印加電圧1.6
〔V〕に対して加算するようにプログラマブル電源11へ
制御信号を送出すると、プログラマブル電源11は、2.4
〔V〕を被測定継電器3へ印加する。この結果、識別回
路12はオンの結果信号を出力し、3回目は2回目の加算
値である。0.8〔V〕1/2の0.4〔V〕を2回目の印加電
圧2.4〔V〕に対し、減算するように制御回路13はプロ
グラマブル電源11を制御し、プログラマブル電源11は2.
0〔V〕を被測定継電器3に印加する。The control circuit 13 receives the result signal of the second to the first turn-off from the identification circuit 12 so that the control circuit 13 can add the first addition value 1.6.
0.8 [V] which is 1/2 of [V] is applied to the first applied voltage 1.6
When a control signal is sent to the programmable power supply 11 so as to add to [V], the programmable power supply 11
[V] is applied to the relay 3 to be measured. As a result, the identification circuit 12 outputs an ON result signal, and the third time is the second addition value. The control circuit 13 controls the programmable power supply 11 so that 0.4 [V] of 0.8 [V] 1/2 is subtracted from the second applied voltage of 2.4 [V], and the programmable power supply 11 controls 2.
0 [V] is applied to the relay 3 to be measured.
以上説明したように、前回加算若しくは減算した値の
1/2を、前回の印加電圧値に対して前回の被測定継電器
の動作結果がオンであれば減算し、オフであれば加算し
た値を印加する。この印加電圧値の計算式の一例を第2
図に、印加電圧波形の一例を第3図に示す 第2図において最後は5回目の加算値が0.1〔V〕で
あり測定分解能が0.1〔V〕なので5回目で終了するこ
とになる。結果は1.8〔V〕から1.9〔V〕の間に感動値
が存在することになり安全値として1.9〔V〕とする。As explained above, the value of the previous addition or subtraction
If 1/2 is subtracted from the previous applied voltage value when the previous operation result of the relay to be measured is on, then 1/2 is added, and if the operation result is off, the added value is applied. An example of the equation for calculating the applied voltage value is shown in the second
FIG. 3 shows an example of the applied voltage waveform in FIG. 3. In FIG. 2, the fifth added value is 0.1 [V] and the measurement resolution is 0.1 [V]. As a result, the impression value exists between 1.8 [V] and 1.9 [V], and the safety value is set to 1.9 [V].
以上の説明から印加動作回数は前記nに1を加えた
(n+1)回となり、同一定格電圧の継電器であれば必
ず同一印加回数で終了する。測定時間は第3図の例では
1.2〔秒〕という短時間で終了することができる。From the above description, the number of application operations is (n + 1) times obtained by adding 1 to the above-mentioned n. If the relays have the same rated voltage, the operation always ends with the same number of applications. In the example of Fig. 3, the measurement time is
It can be completed in a short time of 1.2 [seconds].
また、復旧値の測定の場合は、感動値の場合では前回
の結果がオンであるときは前回の加算若しくは減算した
値の1/2を減算したのに対し、逆に加算し、前回の結果
がオフであれば加算したのに対し、逆に減算すればよ
い。さらに電流の値で求めるは前記5回目の印加時に流
れる電流を測定するか、若しくはプログラマブル電源を
定電流型とする。In the case of measurement of the restoration value, in the case of the impression value, when the previous result is on, half the value of the previous addition or subtraction was subtracted, whereas in the case of the impression value, the addition was performed in reverse, and the previous result was added. If is turned off, the addition may be performed, whereas the addition may be subtracted. Further, in order to obtain the current value, the current flowing at the time of the fifth application is measured, or the programmable power supply is of a constant current type.
以上説明したように本発明は、被測定継電器へ印加す
る印加電圧の値を入力制御信号によって自動的に可変す
るプログラマブル電源と、印加電圧によって被測定継電
器の動作を識別する識別回路と、この識別回路識別結果
信号によって次の入力制御信号を発生してプログラマブ
ル電源へ送出する制御回路とを有して、被測定継電器の
特性を自動で測定することにより、短時間で済み測定者
の主観が入らない測定値を得ることができる効果があ
る。また、定格電圧が同じ継電器であれば必ず同一の測
定時間で終了するので、被測定継電器コイル自体の発熱
による温度上昇によりコイル抵抗が上昇することによっ
て発生する測定誤差のばらつきをほぼ一定にみなすこと
ができる効果がある。As described above, the present invention provides a programmable power supply that automatically changes the value of an applied voltage applied to a measured relay by an input control signal, an identification circuit that identifies the operation of the measured relay based on the applied voltage, and an identification circuit that identifies the operation of the programmable power supply. A control circuit that generates the next input control signal according to the circuit identification result signal and sends it to the programmable power supply, and automatically measures the characteristics of the relay to be measured so that the subject's subjectivity can be entered in a short time. There is an effect that can obtain no measurement value. Also, if the relays have the same rated voltage, the measurement will always be completed in the same measurement time.Therefore, the variation in the measurement error caused by the coil resistance rising due to the temperature rise due to the heat generated by the coil of the relay to be measured should be regarded as almost constant. There is an effect that can be.
第1図は本発明の一実施例を示す継電器特性測定器のブ
ロック図、第2図は本実施例における被測定継電器への
感動電圧値測定の場合の印加電圧値の計算式の一例を示
す図、第3図は第2図で示した計算式で計算された印加
電圧値を被測定継電器のコイルへの印加する感動電圧値
測定の場合の印加電圧の波形の一例を示す図、第4図は
従来の継電器特性測定器の一例を示すブロック図であ
る。 1,2……継電器特性測定器、11……プログラマブル電
源、12……継電器オンオフ識別回路、13……制御回路、
3,4……被測定継電器、5……定格電圧、6……1回目
の印加電圧、7……2回目の印加電圧、8……3回目の
印加電圧、9……4回目の印加電圧、10……5回目の印
加電圧、21……定電圧電源、22……可変抵抗器、23……
スイッチ。FIG. 1 is a block diagram of a relay characteristic measuring instrument showing one embodiment of the present invention, and FIG. 2 shows an example of a calculation formula of an applied voltage value in the case of measuring a moving voltage value to a relay to be measured in the present embodiment. FIG. 3 is a diagram showing an example of a waveform of an applied voltage in the case of measuring a moving voltage value in which an applied voltage value calculated by the calculation formula shown in FIG. 2 is applied to a coil of a relay to be measured. FIG. 1 is a block diagram showing an example of a conventional relay characteristic measuring device. 1,2: Relay characteristic measuring instrument, 11: Programmable power supply, 12: Relay on / off identification circuit, 13: Control circuit,
3, 4 ... relay to be measured, 5 ... rated voltage, 6 ... first applied voltage, 7 ... second applied voltage, 8 ... third applied voltage, 9 ... fourth applied voltage , 10 ... 5th applied voltage, 21 ... constant voltage power supply, 22 ... variable resistor, 23 ...
switch.
Claims (2)
力制御信号によって自動的に可変するプログラマブル電
源と、前記印加電圧による前記被測定継電器の動作を識
別する識別回路と、前記被測定継電器の予め定められた
定格電圧と、継電器特性測定器の測定分解能とから(前
記測定分解能×2n>前記定格電圧×1/2)を満たす正整
数nを予め求め、(前記測定分解能×2n)の値を前記被
測定継電器への初期印加電圧となるように前記プログラ
マブル電源を初期設定し、前記識別回路の識別結果信号
によって(前記プログラマブル電源の出力電圧を前回加
算若しくは減算した電圧値の1/2)を前回の印加電圧値
に加算若しくは減算した値に出力すべく前記入力制御信
号を自動的に発生して前記プログラマブル電源へ送出す
る制御回路とを有することを特徴とする継電器特性測定
器。1. A programmable power supply for automatically changing a value of an applied voltage to be applied to a measured relay by an input control signal, an identification circuit for identifying an operation of the measured relay by the applied voltage, and the measured relay From the predetermined rated voltage and the measurement resolution of the relay characteristic measuring instrument, a positive integer n that satisfies (the measurement resolution × 2 n > the rated voltage × 1/2) is obtained in advance, and the (the measurement resolution × 2 n ) Is initially set so that the value of the programmable power supply becomes the initial applied voltage to the relay to be measured, and (1 of the voltage value obtained by previously adding or subtracting the output voltage of the programmable power supply) is determined by the identification result signal of the identification circuit. / 2) to automatically generate the input control signal and output the signal to the programmable power supply so as to output a value obtained by adding or subtracting the previous applied voltage value to the previous applied voltage value. Relay characteristic measuring apparatus according to claim and.
圧と、自己の継電器特性測定器の測定分解能とから(前
記測定分解能×2n>前記定格電圧×1/2)を満たす正整
数nを予め求め、(前記測定分解能×2n)の値を前記被
測定継電器への初期印加電圧となるように前記プログラ
マブル電源を初期設定し、前記識別回路にて印加電圧に
よる前記被測定継電器の動作を識別し、前記識別回路の
識別結果信号によって(前記プログラマブル電源の出力
電圧を前回加算若しくは減算した電圧値の1/2)を前回
の印加電圧値に加算若しくは減算した値に出力すべく前
記プログラマブル電源への入力制御信号を前記制御回路
が自動的に発生し、新しく印加される印加電圧値による
前記被測定継電器の動作を前記識別回路の識別結果信号
から判定して動作限界の印加電圧値から前記被測定継電
器の感動値および復旧値の測定値を求めることを有する
ことを特徴とする継電器特性の測定方法。2. A positive integer n that satisfies (the measurement resolution × 2 n > the rated voltage × 1/2) from the predetermined rated voltage of the relay to be measured and the measurement resolution of the relay characteristic measuring device of the relay. The programmable power supply is initialized so that the value of (the measurement resolution × 2 n ) becomes the initial applied voltage to the relay to be measured, and the operation of the relay to be measured by the applied voltage is performed by the identification circuit. The programmable circuit is configured to output a value obtained by adding or subtracting (1/2 of the voltage value obtained by previously adding or subtracting the output voltage of the programmable power supply) from the previously applied voltage value according to the identification result signal of the identification circuit. The control circuit automatically generates an input control signal to a power supply, and determines the operation of the relay under test based on a newly applied voltage value from an identification result signal of the identification circuit from an operation limit. Method of measuring relay characteristic, characterized in that the applied voltage value with the determination of the measurements of the impression value and the recovery value of the measured relay.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2295961A JP2723666B2 (en) | 1990-11-01 | 1990-11-01 | Relay characteristic measuring instrument and measuring method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2295961A JP2723666B2 (en) | 1990-11-01 | 1990-11-01 | Relay characteristic measuring instrument and measuring method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04169867A JPH04169867A (en) | 1992-06-17 |
JP2723666B2 true JP2723666B2 (en) | 1998-03-09 |
Family
ID=17827331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2295961A Expired - Fee Related JP2723666B2 (en) | 1990-11-01 | 1990-11-01 | Relay characteristic measuring instrument and measuring method thereof |
Country Status (1)
Country | Link |
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JP (1) | JP2723666B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007173029A (en) * | 2005-12-22 | 2007-07-05 | Hitachi Plant Technologies Ltd | Test method and test device for relay |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62110428A (en) * | 1985-11-06 | 1987-05-21 | 株式会社東芝 | Input control of testing apparatus |
-
1990
- 1990-11-01 JP JP2295961A patent/JP2723666B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH04169867A (en) | 1992-06-17 |
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