JPH0487128U - - Google Patents
Info
- Publication number
- JPH0487128U JPH0487128U JP13053290U JP13053290U JPH0487128U JP H0487128 U JPH0487128 U JP H0487128U JP 13053290 U JP13053290 U JP 13053290U JP 13053290 U JP13053290 U JP 13053290U JP H0487128 U JPH0487128 U JP H0487128U
- Authority
- JP
- Japan
- Prior art keywords
- pressure drop
- gas switching
- closing
- control
- line
- 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 4
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Keying Circuit Devices (AREA)
Description
第１図は本考案に係るガス切換開閉装置の実施
例を示す回路図、第２図はその結線図、第３図は
本考案の第２実施例を示す回路図、第４図はその
結線図、第５図は従来の実施例を示す回路図、第
６図はその結線図である。
１……常用側選択回路、２……予備側選択回路
、３……蓄勢回路、４……開放遅延動作回路、５
……常用側開放用電磁石、６……予備側開放用電
磁石、７……共用投入電磁石、８，９……過電流
検出回路、１０……常用側主接触子、２０……予
備側主接触子、３０……制御用変圧器、４０……
圧力低下表示装置、５０……投入遅延動作回路。
Fig. 1 is a circuit diagram showing an embodiment of the gas switching switchgear according to the present invention, Fig. 2 is a wiring diagram thereof, Fig. 3 is a circuit diagram showing a second embodiment of the invention, and Fig. 4 is its wiring diagram. 5 is a circuit diagram showing a conventional embodiment, and FIG. 6 is a wiring diagram thereof. DESCRIPTION OF SYMBOLS 1... Normal use side selection circuit, 2... Reserve side selection circuit, 3... Energy storage circuit, 4... Opening delay operation circuit, 5
...Common side opening electromagnet, 6...Spare side opening electromagnet, 7...Common closing electromagnet, 8, 9...Overcurrent detection circuit, 10...Common side main contact, 20...Spare side main contact Child, 30... Control transformer, 40...
Pressure drop display device, 50... Closing delay operation circuit.
Claims (1)
３１，ＬＳ４１、圧力低下検出装置ＰＲＳおよび
開閉器の投入電磁石７を備えたガス切換開閉器と
少なくとも制御電圧の印加により投入遅延を行う
投入遅延回路５０および圧力低下表示装置４０を
備えた制御装置とよりなり、同制御装置と前記ガ
ス切換開閉器との間の信号の伝達を制御線で行う
圧力低下表示付ガス切換開閉装置において、 前記ガス切換開閉器側のラツチ連動リミツトス
イツチＬＳ３１，ＬＳ４１の出力端子と前記圧力
低下検出装置ＰＲＳの出力端子とを接続し、前記
制御装置側において投入遅延回路５０の常閉接点
側および常開接点側を投入電磁石作動用制御線に
共通に接続し、前記常開接点側のラインに直列に
前記圧力低下表示装置４０を接続したことを特徴
とする圧力低下表示装置付ガス切換開閉装置。 ２ 圧力低下検出装置ＰＲＳの作動接点の常閉接
点側を制御電源の共通側Ｐ０と投入電磁石、開放
用電磁石を接続したラインとの間に接続したこと
を特徴とする請求項１記載の圧力低下表示装置付
ガス切換開閉装置。[Scope of claims for utility model registration] 1. At least latch interlocking limit switch LS
31, LS41, a gas switching switch equipped with a pressure drop detection device PRS and a switch closing electromagnet 7, a control device equipped with a closing delay circuit 50 that delays closing by applying at least a control voltage, and a pressure drop display device 40; In a gas switching switchgear with a pressure drop display in which signals are transmitted between the control device and the gas switching switch via a control line, output terminals of latch interlocking limit switches LS31 and LS41 on the gas switching switch side are provided. and the output terminal of the pressure drop detection device PRS, and on the control device side, the normally closed contact side and the normally open contact side of the closing delay circuit 50 are commonly connected to the closing electromagnet operation control line, and the normally open A gas switching switch with a pressure drop display device, characterized in that the pressure drop display device 40 is connected in series to a line on the contact side. 2. The pressure according to claim 1, characterized in that the normally closed contact side of the operating contact of the pressure drop detection device PRS is connected between the common side P0 of the control power source and the line to which the closing electromagnet and the opening electromagnet are connected. Gas switching switchgear with drop indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13053290U JPH0751713Y2 (en) | 1990-11-30 | 1990-11-30 | Gas switching switch with pressure drop indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13053290U JPH0751713Y2 (en) | 1990-11-30 | 1990-11-30 | Gas switching switch with pressure drop indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0487128U true JPH0487128U (en) | 1992-07-29 |
| JPH0751713Y2 JPH0751713Y2 (en) | 1995-11-22 |
Family
ID=31877863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13053290U Expired - Fee Related JPH0751713Y2 (en) | 1990-11-30 | 1990-11-30 | Gas switching switch with pressure drop indicator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0751713Y2 (en) |
-
1990
- 1990-11-30 JP JP13053290U patent/JPH0751713Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0751713Y2 (en) | 1995-11-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |