JPH03100342U - - Google Patents
Info
- Publication number
- JPH03100342U JPH03100342U JP706690U JP706690U JPH03100342U JP H03100342 U JPH03100342 U JP H03100342U JP 706690 U JP706690 U JP 706690U JP 706690 U JP706690 U JP 706690U JP H03100342 U JPH03100342 U JP H03100342U
- Authority
- JP
- Japan
- Prior art keywords
- surge voltage
- normal
- relay
- contact
- deterioration
- 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
- 230000006866 deterioration Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Keying Circuit Devices (AREA)
Description
第１図は本考案の一実施例に係るリレー接点の
劣化診断装置のブロツクダイヤフラム、第２図は
第１図に示す劣化診断装置のリレーに対する接続
方法を示す図、第３図はリレー接点の劣化とサー
ジ電圧との関係を示す一実験データを示す図、第
４図は誤動作発生頻度を示す一実験データを示す
図、第５図は従来の接点抵抗測定法における判定
基準値のグラフを示す図、第６図は従来の接点抵
抗測定法による各劣化段階のリレーの接点抵抗の
一実験データを示す図である。
１……リレー接点の劣化診断装置、６……電圧
変換回路（サージ電圧検出手段）、８……比較回
路（サージ電圧比較手段）、９……設定値記憶回
路（正常時サージ電圧記憶手段）、１２……表示
回路（リレー接点劣化表示手段）、１３……リレ
ー、１４……接点。
FIG. 1 shows a block diaphragm of a deterioration diagnosis device for relay contacts according to an embodiment of the present invention, FIG. 2 shows a method of connecting the deterioration diagnosis device shown in FIG. 1 to a relay, and FIG. Figure 4 is a diagram showing experimental data showing the relationship between deterioration and surge voltage, Figure 4 is a diagram showing experimental data showing the frequency of malfunction occurrence, and Figure 5 is a graph of judgment reference values in the conventional contact resistance measurement method. FIG. 6 is a diagram showing experimental data on the contact resistance of a relay at each stage of deterioration obtained by the conventional contact resistance measuring method. 1...Relay contact deterioration diagnosis device, 6...Voltage conversion circuit (surge voltage detection means), 8...Comparison circuit (surge voltage comparison means), 9...Setting value storage circuit (normal surge voltage storage means) , 12... Display circuit (relay contact deterioration display means), 13... Relay, 14... Contact.
Claims (1)
に発生するサージ電圧を検出するサージ電圧検出
手段６と、前記接点１４の正常時における正常時
サージ電圧を記憶する正常時サージ電圧記憶手段
９と、前記サージ電圧検出手段６により検出され
たサージ電圧と前記正常時サージ電圧記憶手段９
に記憶されている正常時サージ電圧とを比較する
サージ電圧比較手段８と、前記サージ電圧比較手
段８における比較の結果前記サージ電圧が前記正
常時サージ電圧以上であるとき前記リレー１３の
接点１４が劣化していることを表示するリレー接
点劣化表示手段１２とからなることを特徴とする
リレー接点の劣化診断装置。 A surge voltage detection means 6 for detecting the surge voltage generated when the contact 14 of the relay 13 is turned on and off; a normal surge voltage storage means 9 for storing the normal surge voltage when the contact 14 is normal; The surge voltage detected by the surge voltage detection means 6 and the normal surge voltage storage means 9
A surge voltage comparison means 8 compares the normal surge voltage stored in the surge voltage comparison means 8, and when the result of the comparison in the surge voltage comparison means 8 is that the surge voltage is equal to or higher than the normal surge voltage, the contact 14 of the relay 13 is activated. 1. A relay contact deterioration diagnosing device comprising: relay contact deterioration display means 12 for displaying deterioration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP706690U JPH03100342U (en) | 1990-01-30 | 1990-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP706690U JPH03100342U (en) | 1990-01-30 | 1990-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03100342U true JPH03100342U (en) | 1991-10-21 |
Family
ID=31510726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP706690U Pending JPH03100342U (en) | 1990-01-30 | 1990-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03100342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006001600A (en) * | 2004-06-18 | 2006-01-05 | Toppan Printing Co Ltd | Plastic cap with temper-resistant function |
| JP2008239206A (en) * | 2007-03-28 | 2008-10-09 | Japan Crown Cork Co Ltd | Resin container lid |
-
1990
- 1990-01-30 JP JP706690U patent/JPH03100342U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006001600A (en) * | 2004-06-18 | 2006-01-05 | Toppan Printing Co Ltd | Plastic cap with temper-resistant function |
| JP2008239206A (en) * | 2007-03-28 | 2008-10-09 | Japan Crown Cork Co Ltd | Resin container lid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63146775U (en) | ||
| JPH03100342U (en) | ||
| JP2568090Y2 (en) | Capacitor capacity diagnostic circuit | |
| JPH0370697U (en) | ||
| JPS60193428U (en) | load cell | |
| JPS60166013U (en) | Abnormality detection circuit of stepping type control device | |
| JPH0350991U (en) | ||
| JPS5889854U (en) | Dew point temperature monitoring device | |
| JPS6417471U (en) | ||
| JPS61136441U (en) | ||
| JPH0365974U (en) | ||
| JPH0265048U (en) | ||
| JPH02140319U (en) | ||
| JPS62121527U (en) | ||
| JPS58175430U (en) | vibration monitoring device | |
| JPS60152945U (en) | temperature measuring device | |
| JPH0223185U (en) | ||
| JPH0415006U (en) | ||
| JPH022337U (en) | ||
| JPS60104995U (en) | alarm system | |
| JPS6410623U (en) | ||
| JPS63146776U (en) | ||
| JPH01106938U (en) | ||
| JPH0255172U (en) | ||
| JPS62112748U (en) |