JPH0731484Y2 - Earth leakage relay - Google Patents

Earth leakage relay

Info

Publication number
JPH0731484Y2
JPH0731484Y2 JP4536789U JP4536789U JPH0731484Y2 JP H0731484 Y2 JPH0731484 Y2 JP H0731484Y2 JP 4536789 U JP4536789 U JP 4536789U JP 4536789 U JP4536789 U JP 4536789U JP H0731484 Y2 JPH0731484 Y2 JP H0731484Y2
Authority
JP
Japan
Prior art keywords
zero
current transformer
phase current
base
relay
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.)
Expired - Lifetime
Application number
JP4536789U
Other languages
Japanese (ja)
Other versions
JPH02136955U (en
Inventor
俊弘 秋山
栄一 佐藤
茂 松本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4536789U priority Critical patent/JPH0731484Y2/en
Publication of JPH02136955U publication Critical patent/JPH02136955U/ja
Application granted granted Critical
Publication of JPH0731484Y2 publication Critical patent/JPH0731484Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、接地線により漏電電流を検出する漏電リレ
ーに関し、特に零相変流器の保持に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an earth leakage relay for detecting an earth leakage current by a ground wire, and more particularly to holding a zero-phase current transformer.

〔従来の技術〕[Conventional technology]

従来のこの種の漏電リレーを第5図について説明する。
図において、(1)は零相変流器(2)がシールドケー
ス(3)に収容されてなる零相変流器部、(4)はシー
ルドケース(3)に配置したリレー接続端子、(5)は
リレー(6)を有するリレー部、(7)は増幅装置、
(8)は漏電表示部材(表示灯)、(9)はテストボタ
ン、(10)はリセットボタン、(11)は零相変流器接続
端子、(12)は電源接続端子、(13)はリレー接点出力
端子、(14)は零相変流器部(1)とリレー部(5)と
を電気的に接続する接続導体である。
A conventional earth leakage relay of this type will be described with reference to FIG.
In the figure, (1) is a zero-phase current transformer part in which the zero-phase current transformer (2) is housed in a shield case (3), (4) is a relay connection terminal arranged in the shield case (3), 5) is a relay unit having a relay (6), (7) is an amplifying device,
(8) is a leakage indicator member (indicator light), (9) is a test button, (10) is a reset button, (11) is a zero-phase current transformer connection terminal, (12) is a power connection terminal, and (13) is The relay contact output terminal (14) is a connecting conductor that electrically connects the zero-phase current transformer section (1) and the relay section (5).

地絡事故が発生すると、零相変流器(2)からの信号で
リレー(6)が動作し、このリレー(6)の駆動によっ
てリレー接点出力端子(13)の信号が切換わると同時に
漏電表示部材(8)が点灯する。
When a ground fault occurs, the relay (6) operates with the signal from the zero-phase current transformer (2), and the signal of the relay contact output terminal (13) is switched by the drive of this relay (6) and at the same time, the leakage current. The display member (8) lights up.

〔考案が解決しようとする課題〕[Problems to be solved by the device]

上記のような従来の漏電リレーでは零相変流器部(1)
とリレー部(5)とに分離しているので、これを分電盤
等に取付ける際の取付作業に手間と時間が掛かるのみな
らず、取付スペースが大きく小形化が図れず、高価にな
るという問題点があった。
In the conventional earth leakage relay as described above, the zero-phase current transformer section (1)
Since it is separated into the relay part (5) and the relay part (5), it is not only time-consuming and time-consuming to install it on a distribution board, but also the installation space is large and the size cannot be reduced, which is expensive. There was a problem.

この考案はかかる問題点を解消するためになされたもの
で、モールドケースによる一体形とすることにより取付
作業性の向上と取付スペースの減少による小形化とが図
れかつコスト低減が図れ、さらに零相変流器の組み込み
が容易かつ効果的に行える漏電リレーを得ることを目的
とする。
The present invention has been made to solve such a problem, and by making it an integral type with a mold case, it is possible to improve the mounting workability and reduce the size by reducing the mounting space, and to reduce the cost, and further to achieve zero phase. An object is to obtain an earth leakage relay in which a current transformer can be easily and effectively incorporated.

〔課題を解決するための手段〕[Means for Solving the Problems]

上記目的を達成するために、この考案に係る漏電リレー
は、ベースとカバーとからなるモールドケース内に零相
変流器、増幅装置、リレー等を収容し、かつこのモール
ドケースの正面にテストボタン、リセットボタン、漏電
表示部材等を配置すると共に前記ベースの一端部に接続
端子を2個並設し、さらに前記零相変流器を串刺しする
U字状に湾曲した1次導体を前記接続端子の各端子板間
に接続し、この1次導体の弾性を利用して前記零相変流
器を前記ベースの零相変流器受け内に、接続端子をベー
スに固定する方向に押圧固定したものである。
In order to achieve the above object, an earth leakage relay according to the present invention accommodates a zero-phase current transformer, an amplifying device, a relay, etc. in a molded case composed of a base and a cover, and has a test button on the front of the molded case. , A reset button, an earth leakage display member and the like are arranged, two connection terminals are arranged in parallel at one end of the base, and a U-shaped primary conductor for skewering the zero-phase current transformer is connected to the connection terminal. Connected between the terminal plates, and utilizing the elasticity of the primary conductor, the zero-phase current transformer was pressed and fixed in the zero-phase current transformer receiver of the base in the direction of fixing the connection terminal to the base. It is a thing.

〔作用〕[Action]

この考案においては、モールドケースによる一体形とな
るのでモールドケースのみの取付けでよい。また零相変
流器はU字状に湾曲した1次導体の弾性によりベースの
零相変流器受け内に、接続端子をベースに固定する方向
に押圧固定されるので、零相変流器に対する振動、衝撃
は1次導体が吸収する。
In this invention, since the mold case is integrated, only the mold case needs to be attached. In addition, the zero-phase current transformer is pressed and fixed in the direction of fixing the connection terminal to the base in the zero-phase current transformer receiver of the base by the elasticity of the U-shaped curved primary conductor. The primary conductor absorbs the vibration and shock to the.

〔実施例〕〔Example〕

この考案の一実施例を第1図〜第4図について説明す
る。第1図は外観斜視図、第2図はベースに対してカバ
ーを矢印方向に開いて示した図、第3図は第2図の線II
I-IIIの断面図、第4図は第2図の線IV-IVの断面図であ
り、前記従来のものと同一または相当部分には同一符号
を付して説明を省略する。図において、(15)はモール
ドケースで、ベース(15A)とカバー(15B)とで構成さ
れている。(16)は固定ネジで、カバー(15B)の孔(1
6a)からベース(15A)のネジ孔(16b)に螺合される。
(17)はベース(15A)の一端部に並設した2個の接続
端子で、端子板(17a)と端子ネジ(17b)とで構成され
ている。(18)はベース(15A)の端子台(15a)上に端
子板(17a)を固定する固定ネジ、(19)は両端子板(1
7a)を接続する1次導体で、ベース(15A)の底に向っ
てU字状に湾曲して零相変流器(2)を串刺しするよう
に中央の孔を貫通している。(20)はベース(15A)内
に設けた受けで、ベース(15A)の凹部(15b)との間に
零相変流器(2)を収容する。(21)はカバー(15B)
内に収容した電子回路部で、リレー(6)および増幅装
置(7)等が配置されている。(22)はカバー(15B)
の正面窓(15c)内に嵌合した名板で、漏電表示部材
(8)、テストボタン(9)、リセットボタン(10)等
が配置されている。(23)は外部接続コネクターであ
る。
An embodiment of the present invention will be described with reference to FIGS. 1 is an external perspective view, FIG. 2 is a view in which a cover is opened in the arrow direction with respect to a base, and FIG. 3 is a line II in FIG.
FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2, and the same or corresponding portions as those of the conventional one are designated by the same reference numerals and the description thereof will be omitted. In the figure, (15) is a molded case, which is composed of a base (15A) and a cover (15B). (16) is a fixing screw, and the hole (1
6a) is screwed into the screw hole (16b) of the base (15A).
Reference numeral (17) denotes two connecting terminals arranged in parallel at one end of the base (15A), which is composed of a terminal plate (17a) and a terminal screw (17b). (18) is a fixing screw for fixing the terminal board (17a) on the terminal block (15a) of the base (15A), and (19) is both terminal boards (1
The primary conductor connecting 7a) is curved in a U shape toward the bottom of the base (15A) and penetrates the central hole so as to skewer the zero-phase current transformer (2). Reference numeral (20) is a receiver provided in the base (15A), and accommodates the zero-phase current transformer (2) between the base and the recess (15b) of the base (15A). (21) is the cover (15B)
A relay (6), an amplifying device (7), and the like are arranged in the electronic circuit portion housed inside. (22) is the cover (15B)
It is a name plate fitted in the front window (15c) of the device, and is provided with a leakage display member (8), a test button (9), a reset button (10) and the like. (23) is an external connection connector.

このようにモールドケース(15)による一体形としかつ
漏電表示部材(8)等を正面に接続端子(17)を片側に
配置しておくと、分電盤などに取付ける際にはこのモー
ルドケース(15)を分電盤のパネルに取付けるだけでよ
いので、取付作業が簡単に行えると共に分電盤における
取付スペースが減少する。ひいては大幅なコスト低減が
図れる。
In this way, by integrating the molded case (15) and arranging the leakage indicator member (8) and the like on the front side and the connection terminals (17) on one side, the molded case ( Since it is only necessary to attach 15) to the panel of the distribution board, the installation work is easy and the installation space on the distribution board is reduced. As a result, a significant cost reduction can be achieved.

また、このように1次導体(19)をU字状に湾曲させて
零相変流器(2)を串刺しすると、受け(20)と凹部
(15b)との間に収容される零相変流器(2)は1次導
体(19)のU字状に湾曲し部分の弾性によりベース(15
A)に押圧されるので、零相変流器(2)は受け(20)
と凹部(15b)との間に固定されるし、またこの固定状
態において零相変流器(2)に1次導体(19)の弾性力
が作用するので零相変流器(2)に対する振動、衝撃が
緩和される。さらに、零相変流器(2)を端子板(17
a)、1次導体(19)という基本機能上必要な部材のみ
により固定できるので、特別な部材を要せず零相変流器
(2)を容易にベース(15A)に固定できると共に安価
に構成できる。
In addition, when the primary conductor (19) is curved in a U-shape and the zero-phase current transformer (2) is skewered in this way, the zero-phase transformer housed between the receiver (20) and the recess (15b). The sink (2) is curved in the U-shape of the primary conductor (19) and the elasticity of the part causes the base (15) to move.
As it is pushed by A), the zero-phase current transformer (2) is received (20).
Is fixed between the concave portion (15b) and the concave portion (15b), and the elastic force of the primary conductor (19) acts on the zero-phase current transformer (2) in this fixed state. Vibration and shock are alleviated. Further, connect the zero-phase current transformer (2) to the terminal board (17
a) Since it can be fixed only by the primary conductor (19), which is necessary for the basic function, the zero-phase current transformer (2) can be easily fixed to the base (15A) without any special member and at a low cost. Can be configured.

さらに、分電盤には漏電リレーを取付けるための協約寸
法があるが、モールドケース(15)の外形寸法、窓(15
c)の寸法および位置、接続端子(17)の寸法および位
置を前記協約寸法に合わせることは可能であるので、モ
ールドケース(15)を前記協約寸法に合わせればモール
ドケース(15)の取付けがさらに容易になると共に、分
電盤に漏電リレーを多数並列配置したとき、モールドケ
ース(15)の接続端子(17)が同一方向を向くので配線
が容易に行なえるし、大幅なスペース減少となる。
In addition, the distribution board has a contract size for installing an earth leakage relay, but the external dimensions of the mold case (15) and the window (15
Since it is possible to match the dimension and position of c) and the dimension and position of the connection terminal (17) to the agreement size, if the mold case (15) is adjusted to the agreement size, the mounting of the mold case (15) is further facilitated. In addition, the connection terminals (17) of the molded case (15) face in the same direction when a large number of leakage relays are arranged in parallel on the distribution board, which facilitates wiring and greatly reduces the space.

〔考案の効果〕[Effect of device]

以上のように、この考案によればモールドケースによる
一体形となるので取付作業性が向上すると共に取付スペ
ースの減少による小形化が図れかつコスト低減が図れ、
さらに零相変流器の組み込みが容易かつ効果的に行える
という効果がある。
As described above, according to the present invention, the mold case is integrated, so that the mounting workability is improved, the mounting space is reduced, and the size is reduced and the cost is reduced.
Further, there is an effect that the zero-phase current transformer can be easily and effectively incorporated.

また、零相変流器を串刺しするU字状に湾曲した1次導
体を接続端子の端子板間に接続し、この1次導体の弾性
を利用して零相変流器をベースの零相変流器受け内に、
接続端子をベースに固定する方向に押圧固定することに
より、1次導体のU字状に湾曲した部分の弾性力が作用
するので、零相変流器に対する振動、衝撃が緩和され
る。
In addition, a U-shaped curved primary conductor that skewers the zero-phase current transformer is connected between the terminal plates of the connection terminals, and the elasticity of this primary conductor is used to make the zero-phase current transformer base. In the current transformer receiver,
By pressing and fixing the connecting terminal in the direction of fixing it to the base, the elastic force of the U-shaped curved portion of the primary conductor acts, so that the vibration and impact on the zero-phase current transformer are alleviated.

【図面の簡単な説明】[Brief description of drawings]

第1図はこの考案の一実施例を示す外観斜視図、第2図
はベースに対してカバーを矢印方向に開いて示した図、
第3図は第2図の線III-IIIの断面図、第4図は第2図
の線IV-IVの断面図、第5図は従来のものを示す全体斜
視図である。 図において、(2)は零相変流器、(6)はリレー、
(7)は増幅装置、(8)は漏電表示部材、(9)はテ
ストボタン、(10)はリセットボタン、(15)はモール
ドケース、(15A)はベース、(15B)はカバー、(17)
は接続端子、(17a)は端子板、(19)は1次導体、(2
0)は受けを示す。 なお、図中同一符号は同一または相当部分を示す。
FIG. 1 is an external perspective view showing an embodiment of the present invention, and FIG. 2 is a view showing a cover opened in an arrow direction with respect to a base,
3 is a sectional view taken along line III-III in FIG. 2, FIG. 4 is a sectional view taken along line IV-IV in FIG. 2, and FIG. 5 is an overall perspective view showing a conventional one. In the figure, (2) is a zero-phase current transformer, (6) is a relay,
(7) is an amplifying device, (8) is an earth leakage display member, (9) is a test button, (10) is a reset button, (15) is a molded case, (15A) is a base, (15B) is a cover, (17) )
Is a connection terminal, (17a) is a terminal board, (19) is a primary conductor, and (2
0) indicates receiving. The same reference numerals in the drawings indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】零相変流器、増幅装置、リレー等を収容し
たモールドケースを、ベースとカバーで構成し、かつこ
のモールドケースの正面にテストボタン、リセットボタ
ン、漏電表示部材等を配置すると共に前記ベースの一端
部に接続端子を2個並接し、 さらに前記零相変流器を串刺しするU字状に湾曲した1
次導体を前記接続端子の各端子板間に接続し、この1次
導体の弾性を利用して前記零相変流器を前記ベースの零
相変流器受け内に、前記接続端子を前記ベースに固定す
る方向に押圧固定するように構成したことを特徴とする
漏電リレー。
1. A mold case accommodating a zero-phase current transformer, an amplifier, a relay, etc. is composed of a base and a cover, and a test button, a reset button, an earth leakage display member, etc. are arranged in front of the mold case. In addition, two connection terminals are juxtaposed to one end of the base, and further curved into a U-shape for skewering the zero-phase current transformer.
A secondary conductor is connected between the terminal plates of the connection terminals, and the elasticity of the primary conductor is used to place the zero-phase current transformer in the zero-phase current transformer receiver of the base, and the connection terminal to the base. An earth leakage relay characterized in that it is configured so as to be pressed and fixed in a direction to be fixed to.
JP4536789U 1989-04-17 1989-04-17 Earth leakage relay Expired - Lifetime JPH0731484Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4536789U JPH0731484Y2 (en) 1989-04-17 1989-04-17 Earth leakage relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4536789U JPH0731484Y2 (en) 1989-04-17 1989-04-17 Earth leakage relay

Publications (2)

Publication Number Publication Date
JPH02136955U JPH02136955U (en) 1990-11-15
JPH0731484Y2 true JPH0731484Y2 (en) 1995-07-19

Family

ID=31559480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4536789U Expired - Lifetime JPH0731484Y2 (en) 1989-04-17 1989-04-17 Earth leakage relay

Country Status (1)

Country Link
JP (1) JPH0731484Y2 (en)

Also Published As

Publication number Publication date
JPH02136955U (en) 1990-11-15

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