JPS6348331U - - Google Patents
Info
- Publication number
- JPS6348331U JPS6348331U JP13931086U JP13931086U JPS6348331U JP S6348331 U JPS6348331 U JP S6348331U JP 13931086 U JP13931086 U JP 13931086U JP 13931086 U JP13931086 U JP 13931086U JP S6348331 U JPS6348331 U JP S6348331U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- test
- test plug
- external wiring
- wiring side
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Description
第１図は本考案の一実施例を示す断面図、第２
図は本考案の一実施例の電流検出用保護継電器の
テストプラグを試験位置まで挿入した状態を示す
電気回路図、第３図は本考案の一実施例の電流検
出用保護継電器にテストプラグを完全に挿入した
状態を示す電気回路図、第４図は本考案の一実施
例の電圧検出用保護継電器にテストプラグを試験
位置まで挿入した状態を示す電気回路図、第５図
は本考案の一実施例の電圧検出用保護継電器にテ
ストプラグを完全挿入した状態を示す電気回路図
、第６図は従来の保護継電器およびテストプラグ
の構成を示す断面図、第７図は従来の電流検出用
保護継電器にテストプラグを完全に挿入した状態
を示す電気回路図、第８図は従来の電圧検出用保
護継電器にテストプラグを完全に挿入した状態を
示す電気回路図である。
１Ｂ……継電器本体側接触片、１Ｄ……継電器
外部配線側接触片、２Ａ……継電器本体側接触板
、２Ｃ……継電器外部配線側接触板、１１……保
護継電器、１１Ｇ……試験用接触片、１１Ｊ……
試験位置検出スイツチ、１１Ｊａ……試験位置検
出スイツチの常開接点、１２……テストプラグ、
１３……補助継電器、１３ａ……補助継電器の常
開接点、１３ｂ……補助継電器の常閉接点、１４
……表示器。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is an electric circuit diagram showing the state in which the test plug of the protective relay for current detection according to an embodiment of the present invention is inserted to the test position. Fig. 4 is an electrical circuit diagram showing the voltage detection protective relay according to an embodiment of the present invention when the test plug is inserted to the test position; Fig. 5 is an electrical circuit diagram showing the test plug fully inserted. An electric circuit diagram showing a state in which a test plug is fully inserted into a protective relay for voltage detection according to an embodiment. Figure 6 is a sectional view showing the configuration of a conventional protective relay and a test plug. Figure 7 is a conventional protective relay for current detection. FIG. 8 is an electrical circuit diagram showing a state in which a test plug is completely inserted into a protective relay. FIG. 8 is an electrical circuit diagram showing a state in which a test plug is completely inserted into a conventional protection relay for voltage detection. 1B...Relay body side contact piece, 1D...Relay external wiring side contact piece, 2A...Relay body side contact plate, 2C...Relay external wiring side contact plate, 11...Protective relay, 11G...Test contact One piece, 11J...
Test position detection switch, 11 Ja... Normally open contact of test position detection switch, 12... Test plug,
13... Auxiliary relay, 13a... Normally open contact of the auxiliary relay, 13b... Normally closed contact of the auxiliary relay, 14
……display.
Claims (1)
、所定の挿入位置より手前に試験位置を設け、テ
ストプラグの継電器外部配線側接触板と接続する
試験用接触片及び試験位置検出スイツチを備え、
前記試験位置で前記試験位置検出スイツチの常開
接点、前記テストプラグの継電器外部配線側の結
線及び補助継電器を、前記試験用接触片を介して
電源間に直列に接続し、電流検出用継電器の場合
には前記補助継電器の常開接点を、また、電圧検
出用保護継電器の場合には前期補助継電器の常閉
接点を表示器と直列に接続し、前記テストプラグ
の継電器外部配線側の結線及び前期補助継電器の
直列回路に並列に接続し、前記表示器の動作によ
り、前記テストプラグの継電器外部配線側の結線
を確認することを特徴とする保護継電器用テスト
プラグ誤結線防止装置。 In a protective relay having a test plug mechanism, a test position is provided in front of a predetermined insertion position, and a test contact piece and a test position detection switch are provided to connect to the relay external wiring side contact plate of the test plug,
At the test position, the normally open contact of the test position detection switch, the connection on the relay external wiring side of the test plug, and the auxiliary relay are connected in series between the power supplies via the test contact piece, and the current detection relay is In the case of a protective relay for voltage detection, the normally open contact of the auxiliary relay is connected in series with the indicator, and in the case of a protective relay for voltage detection, the normally closed contact of the auxiliary relay is connected in series with the display, and the connection of the test plug on the external wiring side of the relay and A device for preventing incorrect connection of a test plug for a protective relay, characterized in that it is connected in parallel to a series circuit of an auxiliary relay, and the connection of the test plug on the external wiring side of the relay is confirmed by the operation of the indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13931086U JPH0736444Y2 (en) | 1986-09-12 | 1986-09-12 | Device for preventing incorrect connection of test plug for protective relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13931086U JPH0736444Y2 (en) | 1986-09-12 | 1986-09-12 | Device for preventing incorrect connection of test plug for protective relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6348331U true JPS6348331U (en) | 1988-04-01 |
| JPH0736444Y2 JPH0736444Y2 (en) | 1995-08-16 |
Family
ID=31045097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13931086U Expired - Lifetime JPH0736444Y2 (en) | 1986-09-12 | 1986-09-12 | Device for preventing incorrect connection of test plug for protective relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736444Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115389920A (en) * | 2022-08-18 | 2022-11-25 | 中核核电运行管理有限公司 | Self-holding verification device for medium-voltage contactor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4879198B2 (en) * | 2008-02-15 | 2012-02-22 | 中国電力株式会社 | Automatic recovery device |
-
1986
- 1986-09-12 JP JP13931086U patent/JPH0736444Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115389920A (en) * | 2022-08-18 | 2022-11-25 | 中核核电运行管理有限公司 | Self-holding verification device for medium-voltage contactor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0736444Y2 (en) | 1995-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6348331U (en) | ||
| JPH01166486U (en) | ||
| JPS60220025A (en) | Charging type electric cleaner | |
| JPS6181735U (en) | ||
| JPH0255180U (en) | ||
| JPS6351526U (en) | ||
| JPS624160U (en) | ||
| JPS6181741U (en) | ||
| JPH0354055U (en) | ||
| JPS61180555U (en) | ||
| JPS6396755U (en) | ||
| JPH03123749U (en) | ||
| JPH0414361U (en) | ||
| JPH0677159U (en) | Cassette storage battery | |
| JPS62104390U (en) | ||
| JPS63137539U (en) | ||
| JPH0345041U (en) | ||
| JPS6271265U (en) | ||
| JPH0283606U (en) | ||
| JPS62124697U (en) | ||
| JPS6077168U (en) | Power switch device for electrical display equipment | |
| JPS62161543U (en) | ||
| JPS5925921U (en) | Electrical equipment operation circuit | |
| JPS6161744U (en) | ||
| JPS5815411A (en) | Control center |