JPH0449877U - - Google Patents
Info
- Publication number
- JPH0449877U JPH0449877U JP9209590U JP9209590U JPH0449877U JP H0449877 U JPH0449877 U JP H0449877U JP 9209590 U JP9209590 U JP 9209590U JP 9209590 U JP9209590 U JP 9209590U JP H0449877 U JPH0449877 U JP H0449877U
- Authority
- JP
- Japan
- Prior art keywords
- time
- power supply
- zero
- crossing point
- control signal
- 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 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Description
第１図はこの考案の一実施例を示すブロツク構
成図、第２図はその動作を示すフローチヤート、
第３図及び第４図は同じくその動作説明に供する
タイミングチヤート、第５図は商用電源波形を位
相角と共に示す波形図である。
１……電源供給ＯＮ／ＯＦＦ装置、２……被試
験機器、３……ゼロクロス点検出部、４……時間
計測部、５……位相制御部、６……ＯＮ／ＯＦＦ
駆動部、７……回数制御部。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a flowchart showing its operation.
3 and 4 are timing charts for explaining the operation, and FIG. 5 is a waveform diagram showing commercial power waveforms together with phase angles. 1...Power supply ON/OFF device, 2...Device under test, 3...Zero cross point detection section, 4...Time measurement section, 5...Phase control section, 6...ON/OFF
Drive unit, 7... Number of times control unit.
Claims (1)
ス点検出部と、その検出信号によつて予め設定さ
れたＯＮ時間及びＯＦＦ時間を計測する時間計測
部と、そのＯＮ時間及びＯＦＦ時間の開始時点を
前記ゼロクロス点から予め設定された位相角だけ
遅らせてＯＮ／ＯＦＦ制御信号を出力する位相制
御部と、その制御信号に同期して商用電源から被
試験機器への電源供給をＯＮ／ＯＦＦするＯＮ／
ＯＦＦ駆動部とを備えたことを特徴とする電源供
給ＯＮ／ＯＦＦ装置。 ２ 請求項１記載の電源供給ＯＮ／ＯＦＦ装置に
おいて、電源供給のＯＮ／ＯＦＦ回数を計数して
予め設定された回数だけそれを実行させる回数制
御部を設けたことを特徴とする電源供給ＯＮ／Ｏ
ＦＦ装置。[Scope of Claim for Utility Model Registration] 1. A zero-crossing point detection unit that detects the zero-crossing point of a commercial power supply, a time measuring unit that measures the ON time and OFF time set in advance based on the detection signal, and the ON time and OFF time. A phase control section that outputs an ON/OFF control signal by delaying the start point of the OFF time by a preset phase angle from the zero crossing point, and supplying power from a commercial power source to the equipment under test in synchronization with the control signal. ON/OFF ON/
A power supply ON/OFF device comprising: an OFF drive section. 2. The power supply ON/OFF device according to claim 1, further comprising a number control unit that counts the number of times the power supply is turned ON/OFF and executes it a preset number of times. O
FF device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9209590U JPH0449877U (en) | 1990-08-31 | 1990-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9209590U JPH0449877U (en) | 1990-08-31 | 1990-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0449877U true JPH0449877U (en) | 1992-04-27 |
Family
ID=31828290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9209590U Pending JPH0449877U (en) | 1990-08-31 | 1990-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016148647A (en) * | 2015-02-10 | 2016-08-18 | 日本電信電話株式会社 | Transitional current measurement circuit and measurement method at power switch operation |
-
1990
- 1990-08-31 JP JP9209590U patent/JPH0449877U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016148647A (en) * | 2015-02-10 | 2016-08-18 | 日本電信電話株式会社 | Transitional current measurement circuit and measurement method at power switch operation |