JPS5814628B2 - RELENO - Google Patents
RELENOInfo
- Publication number
- JPS5814628B2 JPS5814628B2 JP50118155A JP11815575A JPS5814628B2 JP S5814628 B2 JPS5814628 B2 JP S5814628B2 JP 50118155 A JP50118155 A JP 50118155A JP 11815575 A JP11815575 A JP 11815575A JP S5814628 B2 JPS5814628 B2 JP S5814628B2
- Authority
- JP
- Japan
- Prior art keywords
- relay
- current
- cut
- time
- voltage
- 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
Landscapes
- Measurement Of Unknown Time Intervals (AREA)
Description
【発明の詳細な説明】
本発明は、リレーの遮断時間を測定する測定装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a measuring device for measuring the cut-off time of a relay.
本発明のリレー遮断時間測定装置は、リレーの遮断電流
に相当する電流をリレーを介して変流器の一次巻線に与
えることによりこの変流器の二次巻線に生じる電流をツ
エナーダイオードに与えて一定電圧を得、リレーが遮断
するまでその一定電圧を時間積分することにより、リレ
ーの遮断時間を測定するようにしたもので、簡単な回路
構成によりリレーの遮断時間を正確に測定することので
きる測定装置を実現したものである。The relay cut-off time measuring device of the present invention applies a current corresponding to the cut-off current of the relay to the primary winding of the current transformer through the relay, and converts the current generated in the secondary winding of the current transformer into a Zener diode. This device measures the relay cut-off time by applying a constant voltage and integrating that constant voltage over time until the relay shuts off.It is possible to accurately measure the relay cut-off time using a simple circuit configuration. We have realized a measuring device that can do this.
以下、図面により本発明を詳細に説明する。Hereinafter, the present invention will be explained in detail with reference to the drawings.
第１図は本発明の測定装置の一実施例を示す電気的接続
図である。FIG. 1 is an electrical connection diagram showing an embodiment of the measuring device of the present invention.
第１図において、Ｌは遮断時間を測定すべく被測定のリ
レーである。In FIG. 1, L is a relay to be measured for measuring the cut-off time.
このリレーは励磁コイルＷと接点■，■からなり、励磁
コイルＷに電流が流れていないときその接片は接点■に
接続されており、一定の値の電流が流れるとリレーは遮
断され、接片は接点■側に切換わるものである。This relay consists of an excitation coil W and contacts ■ and ■.When no current flows through the excitation coil W, its contact is connected to the contact ■.When a certain value of current flows, the relay is cut off and the contact is made. The piece is switched to the contact ■ side.
ＳＯはリレーを遮断する遮断電流（感動電流）に相当す
る電流ｉを発生する電源、Ｓはスイッチ、ＣＴは変流器
、Ｒ１ は抵抗である。SO is a power source that generates a current i corresponding to the breaking current (switching current) that cuts off the relay, S is a switch, CT is a current transformer, and R1 is a resistor.
遮断電流源ＳＯにはスイッチＳを介してリレーＬの励磁
コイルＷが接続されている。An excitation coil W of a relay L is connected to the cutoff current source SO via a switch S.
スイッチＳとコイルＷの接続点にはリレーＬにおける接
点のコモン■が接続されている。The common ■ of the contacts in the relay L is connected to the connection point between the switch S and the coil W.
リレーＬの接点■は変流器ＣＴの一次巻線ｗ１ および
抵抗Ｒ１の直列回路を介して遮断電流源ＳＯと励磁コイ
ルＷの接続点に接続されている。Contact point (2) of relay L is connected to a connection point between interrupting current source SO and exciting coil W via a series circuit of primary winding w1 of current transformer CT and resistor R1.
ＲＥはダイオードＤ１〜Ｄ４ をブリッジ接続して構成
した整流回路、ＤＺはツエナーダイオード、ＯＵＴ１，
ＯＵＴ２は出力電圧ＥＯＵＴを取り出す出力端子、ＩＮ
Ｔは増幅器Ａと入力抵抗Ｒおよび帰還用コンデンサＣよ
りなる積分回路である。RE is a rectifier circuit configured by bridge-connecting diodes D1 to D4, DZ is a Zener diode, OUT1,
OUT2 is the output terminal that takes out the output voltage EOUT, IN
T is an integrating circuit consisting of an amplifier A, an input resistor R, and a feedback capacitor C.
整流回路ＲＥの電源端は変流器ＣＴの二次巻線ｗ２に接
続されている。The power supply end of the rectifier circuit RE is connected to the secondary winding w2 of the current transformer CT.
整流回路ＲＥの検出端の一方はツエナーダイオードＤＺ
の順方向側に接続されるとともに、積分回路ＩＮＴを介
して出力端子ＯＵＴ，に接続されている。One of the detection ends of the rectifier circuit RE is a Zener diode DZ.
It is connected to the forward direction side of , and is also connected to the output terminal OUT via the integrating circuit INT.
また、ＲＥの検出端の他方はツエナーダイオードＤＺの
逆方向側に接続されるとともに、出力端子ＯＵＴ２に接
続されている。Further, the other detection end of RE is connected to the opposite direction side of the Zener diode DZ, and is also connected to the output terminal OUT2.
（なお、ＣＴの二次巻線ｗ２にツエナーダイオードＤＺ
を接続し、その後に整流回路ＲＥを接続するようにして
もよい。(In addition, a Zener diode DZ is installed in the secondary winding w2 of the CT.
may be connected, and then the rectifier circuit RE may be connected.
）このように構成した本発明装置の動作を第２図の動作
波形図を用いて以下に説明する。) The operation of the apparatus of the present invention constructed in this way will be explained below using the operational waveform diagram of FIG.
時刻ｔ０においてスイッチＳを閉じることにより、遮断
電流源ＳＯから第２図のイに示す遮断電流ｉをリレーＬ
の励磁コイルＷに供給する。By closing the switch S at time t0, the interrupting current i shown in Fig. 2 A is transferred from the interrupting current source SO to the relay L.
is supplied to the excitation coil W of.
遮断電流ｉは同時にリレーＬのコモン■→接点■を介し
て変流器ＣＴの一次巻線ｗ１にも流れる。The interrupting current i also flows through the primary winding w1 of the current transformer CT via the common ■→contact ■ of the relay L.
変流器ＣＴの一次巻線ｗ１に流れる遮断電流ｉにより、
変流器ＣＴの二次巻線ｗ２には第２図のロに示す二次電
流ｉ０が流れる。Due to the breaking current i flowing through the primary winding w1 of the current transformer CT,
A secondary current i0 shown in FIG. 2B flows through the secondary winding w2 of the current transformer CT.
二次電流ｉｏは整流回路ＲＥにおいて第２図ハの点線で
示すごとく全波整流され、ツエナーダイオードＤＺに供
給される。The secondary current io is full-wave rectified in the rectifier circuit RE as shown by the dotted line in FIG. 2C, and is supplied to the Zener diode DZ.
一方、変流器ＣＴの一次巻線ｗ１ に遮断電流ｉが与え
られると同時に、変流器ＣＴの二次巻線ｗ２には飽和電
圧Ｖ２が生じる。On the other hand, at the same time that the breaking current i is applied to the primary winding w1 of the current transformer CT, a saturation voltage V2 is generated in the secondary winding w2 of the current transformer CT.
■２のオープン波形は第２図のロで示される。(2) The open waveform of 2 is shown in FIG.
なお、第２図のロにおいて、■Ｚはツエナーダイオード
ＤＺのツエナー電圧、ＶＤはダイオードのホワード電圧
を示すものである。In FIG. 2B, Z indicates the Zener voltage of the Zener diode DZ, and VD indicates the forward voltage of the diode.
ＣＴの二次巻線ｗ２に生じる飽和電圧ｖ２は整流回路Ｒ
Ｅで全波整流されて第２図ハの実線で示すごとく波形と
なり、ツエナーダイオードＤＺに印加される。The saturation voltage v2 generated in the secondary winding w2 of the CT is the rectifier circuit R.
The signal is full-wave rectified by E, resulting in a waveform as shown by the solid line in FIG. 2C, and is applied to the Zener diode DZ.
この場合、第２図の口で示すように■２がＤＺのツエナ
ー電圧Ｖｚよリ大きくなるように回路定数が選ばれてい
る。In this case, the circuit constants are selected so that (2) is larger than the Zener voltage Vz of the DZ, as shown by the opening in FIG.
このため、ツエナーダイオードＤＺによりＶｚに比例し
た第．２図の二に示すような一定の値の電圧が生じる。For this reason, the Zener diode DZ generates a voltage proportional to Vz. A voltage of a constant value as shown in Figure 2 is generated.
この一定電圧■Ｚは積分回路ＩＮＴ？０印加され、第２
図のホに示すごとく積分される。Is this constant voltage ■Z the integrator circuit INT? 0 is applied and the second
It is integrated as shown in E of the figure.
そして時間Ｔが経過し、時刻ｔ１においてリレーＬが遮
断され、切片が接点■から離れたとする。Assume that time T has elapsed, and at time t1, relay L is cut off and the intercept is separated from contact point (2).
そうすると、変流器ＣＴの一次巻線Ｗ１に流れていた電
流ｉが遮断されるので、ＣＴの二次巻線ｗ２に生じる電
流ｉｏが零になり、また二次飽和電圧■２ も零となる
。Then, the current i flowing through the primary winding W1 of the current transformer CT is cut off, so the current io generated in the secondary winding w2 of the CT becomes zero, and the secondary saturation voltage ■2 also becomes zero. .
このため、積分回路ＩＮＴの入力はなくなり、積分回路
ＩＮＴは時刻ｔ１における電圧をホールトする。Therefore, the input to the integrating circuit INT disappears, and the integrating circuit INT holds the voltage at time t1.
この電圧はＥＯＵＴとして出力端子ＯＵＴ１，ＯＵＴ２
より取り出される。This voltage is output to the output terminals OUT1 and OUT2 as EOUT.
taken out from
出力電圧ＥＯＵＴを数式で示せは となる。Can you show the output voltage EOUT with a mathematical formula? becomes.
（１）式において、Ｃ，Ｒは積分回路ＩＮＴを構成する
コンデンサＣと抵抗Ｒの値でこれらは一定であり、また
■２もツエナーダイオードＤＺのツエナー電圧で一定で
ある。In equation (1), C and R are the values of the capacitor C and the resistor R constituting the integrating circuit INT, and these are constant, and (2) is also constant at the Zener voltage of the Zener diode DZ.
したがって、（１）式におけるＥＯＵＴはリレーＬの遮
断時間Ｔに比例したものとなる。Therefore, EOUT in equation (1) is proportional to the cut-off time T of the relay L.
出力端子ＯＵＴ１，ＯＵＴ２より取り出されるこのＥＯ
ＵＴは、指示計又はデイジクル電圧計に加えられてアナ
ログ的又はデイジタル的に表示される。This EO taken out from output terminals OUT1 and OUT2
UT is added to an indicator or daisicle voltmeter to display analog or digital display.
このようにして、本発明の測定装置においてはリレーの
遮断時間が測定される。In this way, the disconnection time of the relay is measured in the measuring device of the invention.
以上説明したように、本発明においては、リレーの遮断
電流に相当する電流を変流器の−次巻線に与えることに
よりこの変流器の二次巻線に生じ？電圧をツエナーダイ
オードに与えて一定電圧を得、リレーの遮断電流に相当
する電流をリレーに与えてからそのリレーが遮断するま
での時間，前記一定電圧を積分するようにしたので、簡
単な回路構成により正確にリレーの遮断時間を測定する
ことのできる装置が実現できる。As explained above, in the present invention, by applying a current corresponding to the breaking current of the relay to the secondary winding of the current transformer, a current is generated in the secondary winding of the current transformer. A constant voltage is obtained by applying voltage to a Zener diode, and the constant voltage is integrated over the time from when a current corresponding to the relay's cut-off current is applied to the relay until the relay is cut off, resulting in a simple circuit configuration. This makes it possible to realize a device that can accurately measure the relay cut-off time.
第１図は本発明の測定装置に係る一実施例を示す接続図
、第２図は第１図装置の動作を説明するための波形図で
ある。
ＳＯ・・・・・・遮断電流源、Ｌ・・・・・・リレー、
ＣＴ・・・・・・変流器、ＲＥ・・・・・・整流回路、
ＤＺ・・・・・・ツエナーダイオ・−ド、ＩＮＴ・・・
・・・積分回路、ＯＵＴ１，ＯＵＴ２・・・・・・出力
端子。FIG. 1 is a connection diagram showing one embodiment of the measuring device of the present invention, and FIG. 2 is a waveform diagram for explaining the operation of the device shown in FIG. SO: Cutoff current source, L: Relay,
CT...Current transformer, RE...Rectifier circuit,
DZ... Zener diode, INT...
...Integrator circuit, OUT1, OUT2...Output terminal.
Claims (1)
変流器の一次巻線に与えることによりこの変流器の二次
巻線に生じる電流をツエナーダイオードに与えて一定電
圧を得、リレーが遮断するまで前記一定電圧を時間積分
することにより、リレーの遮断時間を測定するようにし
たリレーの遮断時間測定装置。1 By applying a current equivalent to the relay's breaking current to the primary winding of the current transformer via the relay, the current generated in the secondary winding of this current transformer is applied to the Zener diode to obtain a constant voltage, and the relay A relay cut-off time measuring device configured to measure the cut-off time of a relay by integrating the constant voltage over time until the relay is cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50118155A JPS5814628B2 (en) | 1975-09-30 | 1975-09-30 | RELENO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50118155A JPS5814628B2 (en) | 1975-09-30 | 1975-09-30 | RELENO |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5242158A JPS5242158A (en) | 1977-04-01 |
| JPS5814628B2 true JPS5814628B2 (en) | 1983-03-19 |
Family
ID=14729445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50118155A Expired JPS5814628B2 (en) | 1975-09-30 | 1975-09-30 | RELENO |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5814628B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58162063U (en) * | 1982-04-26 | 1983-10-28 | 大島 弘之 | Portable measuring device for excitation time of electromagnetic solenoid |
| JPS58208689A (en) * | 1982-05-31 | 1983-12-05 | Mochida Pharmaceut Co Ltd | Integrating time meter |
| JPS60147086A (en) * | 1984-01-11 | 1985-08-02 | 大同酸素株式会社 | Method and device for manufacturing high-purity nitrogen gas |
| JPS60232470A (en) * | 1984-05-02 | 1985-11-19 | 大同酸素株式会社 | Production unit for high-purity nitrogen gas |
| JPS6115066A (en) * | 1984-07-02 | 1986-01-23 | 大同酸素株式会社 | Production unit for high-purity nitrogen gas |
| JPS6115068A (en) * | 1984-07-02 | 1986-01-23 | 大同酸素株式会社 | Production unit for high-purity nitrogen gas |
| JPS6124971A (en) * | 1984-07-13 | 1986-02-03 | 大同酸素株式会社 | Production unit for high-purity nitrogen gas |
| JPS6124968A (en) * | 1984-07-13 | 1986-02-03 | 大同酸素株式会社 | Production unit for high-purity nitrogen gas |
| JPS61217670A (en) * | 1985-12-10 | 1986-09-27 | 大同酸素株式会社 | Production unit for nitrogen gas |
| JPH0750718Y2 (en) * | 1989-11-13 | 1995-11-15 | 日新電機株式会社 | Electromagnetically operated switchgear operating time measuring device |
| JPH0455682A (en) * | 1990-06-22 | 1992-02-24 | Kobe Steel Ltd | Air separating device |
| JP3277340B2 (en) * | 1993-04-22 | 2002-04-22 | 日本酸素株式会社 | Method and apparatus for producing various gases for semiconductor manufacturing plants |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5130708Y2 (en) * | 1971-03-18 | 1976-08-02 |
-
1975
- 1975-09-30 JP JP50118155A patent/JPS5814628B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5242158A (en) | 1977-04-01 |
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