JPH0176143U - - Google Patents
Info
- Publication number
- JPH0176143U JPH0176143U JP1987168480U JP16848087U JPH0176143U JP H0176143 U JPH0176143 U JP H0176143U JP 1987168480 U JP1987168480 U JP 1987168480U JP 16848087 U JP16848087 U JP 16848087U JP H0176143 U JPH0176143 U JP H0176143U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- overvoltage detection
- electric
- detection element
- circuits
- 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 7
- 238000010586 diagram Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
Description
第１図はこの考案によるノーヒユーズ遮断器の
一実施例を示す回路図、第２図および第３図は従
来の熱動・電磁形の過電流引外し装置の構成を示
す図、第４図および第５図は従来の、それぞれ完
全電磁形、電子式の過電流引外し装置の構成を示
す図である。
７１……過電流引外し装置、７２……電路、７
４……過電圧検出要素、７５……電路短絡用サイ
リスタ、７６……電流抑制用抵抗である。なお、
各図中、同一符号は同一又は相当部分を示す。
Fig. 1 is a circuit diagram showing an embodiment of a no-fuse circuit breaker according to this invention, Figs. 2 and 3 are diagrams showing the configuration of a conventional thermal/electromagnetic overcurrent trip device, and Figs. FIG. 5 is a diagram showing the configurations of conventional fully electromagnetic and electronic overcurrent tripping devices, respectively. 71... Overcurrent tripping device, 72... Electric circuit, 7
4... Overvoltage detection element, 75... Thyristor for short circuit, 76... Resistor for current suppression. In addition,
In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
過電圧を検出する過電圧検出要素と、前記電路間
に接続されると共に前記過電圧検出要素にも接続
され、前記過電圧検出要素の過電圧検出信号に応
答して前記電路間を短絡する電路短絡手段と、前
記電路間に接続され、前記電路短絡手段を流れる
過電流に応答して前記電路を遮断する過電流引外
し装置とを備えたことを特徴とするノーヒユーズ
遮断器。 (2) 過電圧検出要素がポテンシオメータである
ことを特徴とする実用新案登録請求の範囲第１項
記載のノーヒユーズ遮断器。 (3) 電路短絡手段は、電路間で互に直列に接続
された電路短絡用サイリスタおよび電流抑制用抵
抗から成ることを特徴とする実用新案登録請求の
範囲第２項記載のノーヒユーズ遮断器。 (4) 電流短絡手段は、電路間で互に直列に接続
された電路短絡用サイリスタおよび電流抑制用抵
抗、並びに前記電路短絡用サイリスタと逆並列に
接続された別な電路短絡用サイリスタから成るこ
とを特徴とする実用新案登録請求の範囲第２項記
載のノーヒユーズ遮断器。 (5) 過電流引外し装置が熱動・電磁形または完
全電磁形のものであることを特徴とする実用新案
登録請求の範囲第１項ないし第４項のいずれか記
載のノーヒユーズ遮断器。[Claims for Utility Model Registration] (1) An overvoltage detection element connected between electric circuits and detecting overvoltage generated between the electric circuits; and an overvoltage detection element connected between the electric circuits and also connected to the overvoltage detection element; an electric circuit shorting means that shorts the electric circuits in response to an overvoltage detection signal from an overvoltage detection element; and an overcurrent tripping device that is connected between the electric circuits and interrupts the electric circuit in response to an overcurrent flowing through the electric circuit shorting means. A no-fuse circuit breaker characterized by comprising a device. (2) The no-fuse circuit breaker according to claim 1, wherein the overvoltage detection element is a potentiometer. (3) The no-fuse circuit breaker according to claim 2, wherein the circuit shorting means comprises a circuit shorting thyristor and a current suppressing resistor that are connected in series between the circuits. (4) The current shorting means shall consist of a circuit shorting thyristor and a current suppressing resistor connected in series between the circuits, and another circuit shorting thyristor connected in antiparallel to the circuit shorting thyristor. A no-fuse circuit breaker according to claim 2 of the utility model registration claim, characterized in that: (5) The no-fuse circuit breaker according to any one of claims 1 to 4, wherein the overcurrent tripping device is of a thermal/electromagnetic type or a completely electromagnetic type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168480U JPH0176143U (en) | 1987-11-05 | 1987-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168480U JPH0176143U (en) | 1987-11-05 | 1987-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0176143U true JPH0176143U (en) | 1989-05-23 |
Family
ID=31457694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168480U Pending JPH0176143U (en) | 1987-11-05 | 1987-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0176143U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9230654B2 (en) | 2005-09-30 | 2016-01-05 | Conversant Intellectual Property Management Inc. | Method and system for accessing a flash memory device |
| US9240227B2 (en) | 2005-09-30 | 2016-01-19 | Conversant Intellectual Property Management Inc. | Daisy chain cascading devices |
-
1987
- 1987-11-05 JP JP1987168480U patent/JPH0176143U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9230654B2 (en) | 2005-09-30 | 2016-01-05 | Conversant Intellectual Property Management Inc. | Method and system for accessing a flash memory device |
| US9240227B2 (en) | 2005-09-30 | 2016-01-19 | Conversant Intellectual Property Management Inc. | Daisy chain cascading devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0152974B2 (en) | ||
| JPH0176143U (en) | ||
| US3668470A (en) | Device for detection and control of current leakage | |
| JPH069546Y2 (en) | Breaker | |
| JPH0130753Y2 (en) | ||
| JPS6217852Y2 (en) | ||
| JPH0632755Y2 (en) | AC thyristor power protection circuit | |
| JPS6044436U (en) | overcurrent relay | |
| JPS5930639U (en) | Ground fault detection device | |
| JPS59170952U (en) | Electric leakage or disconnection | |
| JPH01166432U (en) | ||
| JPS59119739U (en) | Differential protection device for power transformers | |
| JPS5956923U (en) | Protective relay device | |
| JPS6062724U (en) | Trip circuit constant monitoring device | |
| JPS6044435U (en) | overcurrent relay | |
| JPH0210736U (en) | ||
| JPS5925924U (en) | resistor protection device | |
| JPS60108139U (en) | Static overcurrent trip device | |
| JPS5937828U (en) | Disconnection detection device for surge suppressor | |
| JPS5849532U (en) | Shion breaker alarm display circuit | |
| JPS5896656U (en) | breaker | |
| JPS605241U (en) | Phase advance capacitor overload protection circuit | |
| JPH0425437U (en) | ||
| JPS58118842U (en) | network relay circuit | |
| JPH0231826B2 (en) | DENATSU * DENRYUKENSHUTSUSOCHI |