JPS61174121U - - Google Patents
Info
- Publication number
- JPS61174121U JPS61174121U JP5788385U JP5788385U JPS61174121U JP S61174121 U JPS61174121 U JP S61174121U JP 5788385 U JP5788385 U JP 5788385U JP 5788385 U JP5788385 U JP 5788385U JP S61174121 U JPS61174121 U JP S61174121U
- Authority
- JP
- Japan
- Prior art keywords
- series
- current source
- contact
- trip coil
- trip
- 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
- 230000002265 prevention Effects 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Keying Circuit Devices (AREA)
Description
第１図はこの考案の遮断器のトリツプコイル焼
損防止回路の一実施例を示す回路図、第２図は同
じく他の実施例を示す回路図、第３図は従来の遮
断器トリツプコイル回路を示す回路図である。
符号の説明、１：トリツプ信号スイツチ、２：
トリツプコイル、Ｘ：電流形リレー、Ｔ：タイマ
、Ｙ：リレー。
Figure 1 is a circuit diagram showing one embodiment of the circuit breaker trip coil burnout prevention circuit of this invention, Figure 2 is a circuit diagram showing another embodiment, and Figure 3 is a circuit diagram showing a conventional circuit breaker trip coil circuit. It is a diagram. Explanation of symbols, 1: Trip signal switch, 2:
Trip coil, X: current type relay, T: timer, Y: relay.
Claims (1)
続されたトリツプコイルと、 前記トリツプコイルに直列に接続された電流形
リレーと、 前記電流形リレーの動作に応じて所定時限後に
前記トリツプ信号スイツチ、前記電流形リレー及
び前記トリツプコイルと直列に接続された接点を
開放する手段と、 を具える遮断器のトリツプコイル焼損防止回路。 (2) 前記電流形リレーがオフ・デイレイ特性の
リレーであり、そのｂ接点が前記トリツプ信号ス
イツチ、前記電流形リレー及び前記トリツプコイ
ルと直列に接続され、このｂ接点の保有時間によ
つて前記時限が与えられる実用新案登録請求の範
囲(1)記載の遮断器のトリツプコイル焼損防止回
路。 (3) タイマが前記電流形リレーのａ接点と直列
に電源間に接続され、このタイマのｂ接点が前記
トリツプ信号スイツチ、前記電流形リレー及び前
記トリツプコイルと直列に接続され、少なくとも
このタイマの時限によつて前記時限が与えられる
実用新案登録請求の範囲(1)記載の遮断器のトリ
ツプコイル焼損防止回路。 (4) タイマが前記電流形リレーのａ接点と直列
に、また第２のリレーが前記タイマのａ接点と直
列に、それぞれ電源間に接続され、この第２のリ
レーのｂ接点が前記トリツプ信号スイツチ、前記
電流形リレー及び前記トリツプコイルと直列に接
続され、少なくともこのタイマの時限によつて前
記時限が与えられる実用新案登録請求の範囲(1)
記載の遮断器のトリツプコイル焼損防止回路。[Claims for Utility Model Registration] (1) A trip coil connected in series with a trip signal switch between power sources, a current source relay connected in series with the trip coil, and a predetermined time period depending on the operation of the current source relay. A trip coil burnout prevention circuit for a circuit breaker, comprising means for later opening a contact connected in series with the trip signal switch, the current source relay, and the trip coil. (2) The current source relay is a relay with off-delay characteristics, and its b contact is connected in series with the trip signal switch, the current source relay, and the trip coil, and the time limit is determined by the retention time of the b contact. A trip coil burnout prevention circuit for a circuit breaker according to claim (1) of utility model registration. (3) A timer is connected between the power supply in series with the a contact of the current source relay, and the b contact of this timer is connected in series with the trip signal switch, the current source relay, and the trip coil, and at least the timer A trip coil burnout prevention circuit for a circuit breaker according to claim (1), wherein the time limit is given by: (4) A timer is connected in series with the a contact of the current source relay, and a second relay is connected in series with the a contact of the timer, respectively, between the power supplies, and the b contact of the second relay receives the trip signal. Utility model registration claim (1) in which a switch is connected in series with the current source relay and the trip coil, and the time limit is given by at least the time limit of this timer.
Trip coil burnout prevention circuit of the circuit breaker described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5788385U JPS61174121U (en) | 1985-04-18 | 1985-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5788385U JPS61174121U (en) | 1985-04-18 | 1985-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61174121U true JPS61174121U (en) | 1986-10-29 |
Family
ID=30582843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5788385U Pending JPS61174121U (en) | 1985-04-18 | 1985-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174121U (en) |
-
1985
- 1985-04-18 JP JP5788385U patent/JPS61174121U/ja active Pending