JP2005216838A - Terminal block - Google Patents

Terminal block Download PDF

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Publication number
JP2005216838A
JP2005216838A JP2004056801A JP2004056801A JP2005216838A JP 2005216838 A JP2005216838 A JP 2005216838A JP 2004056801 A JP2004056801 A JP 2004056801A JP 2004056801 A JP2004056801 A JP 2004056801A JP 2005216838 A JP2005216838 A JP 2005216838A
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JP
Japan
Prior art keywords
power supply
supply line
terminal block
power
hole
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
Application number
JP2004056801A
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Japanese (ja)
Inventor
Katsumi Akiba
勝実 秋葉
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.)
Hitachi Lighting Ltd
Original Assignee
Hitachi Lighting Ltd
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 Hitachi Lighting Ltd filed Critical Hitachi Lighting Ltd
Priority to JP2004056801A priority Critical patent/JP2005216838A/en
Publication of JP2005216838A publication Critical patent/JP2005216838A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To prevent an earth wire 9 of a terminal block for a power supply from being left unconnected. <P>SOLUTION: A power supply line connection preventing plate provided with a power supply line through hole and a spring 7 to make the power supply line connection preventing plate movable are provided in this power supply terminal block. When an earth wire 9 is not connected, this terminal block is structured so that the power supply line through hole of the terminal block body does not match to the power supply line through hole of the power supply line connection preventing plate 6 and the power supply line 10 can not be connected to it. When the earth wire is connected, the power supply line connection preventing plate 6 is moved by the earth wire 9, and a power supply line connection preventing structure to make connection of the power supply line 10 possible is formed. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は端子台に関するものである。特に照明器具に内蔵する電源用の端子台のア−ス線接続忘れ防止に好適なものである。  The present invention relates to a terminal block. In particular, it is suitable for preventing forgetting to connect the ground wire of the terminal block for power supply built in the lighting fixture.

従来の電源端子台は、電源線とア−ス線の接続構造は各々独立しており、各電線は各々単独で接続することができ、ア−ス線を接続しなくても電源線が接続されていれば電源が供給され器具は動作していた。しかし、漏電による感電の危険性や点灯回路によっては点灯動作に不安定を生じるなどの問題があった。そのため、ア−ス線を必ず接続しないと電源線が接続できない機構を端子台に設けア−ス線の接続忘れ防止を行なう。  In the conventional power terminal block, the connection structure of the power line and the ground line is independent, and each electric wire can be connected independently, and the power line can be connected without connecting the ground line. If so, power was supplied and the instrument was working. However, there are problems such as the risk of electric shock due to electric leakage and instability in lighting operation depending on the lighting circuit. For this reason, a mechanism that cannot connect the power line unless the ground line is always connected is provided in the terminal block to prevent forgetting to connect the ground line.

本発明の目的は、ア−ス線等の接続忘れ防止をすることである。  An object of the present invention is to prevent forgetting to connect an earth line or the like.

本発明においては電源線接続防止板を端子台内に設け、ア−ス線が接続されていない場合は電源線接続防止板により電源線が接続できない構造を設け、ア−ス線接続時にはア−ス線により電源線接続防止板が移動して、電源線の接続が可能となる電源線接続防止構造を備える。  In the present invention, a power line connection prevention plate is provided in the terminal block, and when the ground line is not connected, a structure in which the power line cannot be connected by the power line connection prevention plate is provided. The power supply line connection prevention plate is moved by the power line, and the power supply line connection prevention structure that enables connection of the power supply line is provided.

本発明は、ア−ス線を接続しなければ電源線を接続することができなため、ア−ス線は確実に接続される。これによれば、ア−ス線の接続忘れによる漏電時の感電事故防止と、ア−ス線接続がないことによる点灯動作の不安定をなくし器具の安全性と点灯回路の安定動作を確保することができる。  In the present invention, since the power line cannot be connected unless the ground line is connected, the ground line is securely connected. According to this, it is possible to prevent an electric shock accident at the time of electric leakage due to forgetting to connect the ground wire, to eliminate the unstable lighting operation due to the absence of the ground wire connection, and to ensure the safety of the appliance and the stable operation of the lighting circuit. be able to.

図１〜図３を用いて、本発明の実施形態について説明する。本発明に係る端子台は図２に示す通り端子台内に電源接続防止板６、バネ７を備えている。図２に示す通りア−ス線９が接続されず、ばね７により電源接続防止板６がア−ス線接続穴３側に寄せられた状態では、電源接続防止板６に設けられた貫通穴６２と電源線接続穴２の位置は、ア−ス線９の直径分だけア−ス線接続穴３側に寄っているため、電源線貫通穴６１と電源線接続穴２の位置が一致せず電源線１０を接続することはできない。
図３に示す通りア−ス線９が接続され、電源接続防止板６がバネ７側に寄せられたときは電源接続防止板６と電源線貫通穴６１の位置が一致し電源線１０を接続することができる。これによりア−ス線９を接続しなければ電源線１０を接続することができないため、確実にア−ス線接続がされる。
以上より、漏電時の感電事故を防止し器具の安全性を高めるとともア−ス線接続による点灯回路の安定動作を確保することができるア−ス線９接続忘れ防止機構付き端子台を提供することができる。The embodiment of the present invention will be described with reference to FIGS. The terminal block according to the present invention includes a power connection preventing plate 6 and a spring 7 in the terminal block as shown in FIG. As shown in FIG. 2, when the ground wire 9 is not connected and the power connection prevention plate 6 is brought close to the ground wire connection hole 3 by the spring 7, the through hole provided in the power connection prevention plate 6 62 and the position of the power line connecting hole 2 are closer to the side of the ground line connecting hole 3 by the diameter of the ground line 9, so that the positions of the power line through hole 61 and the power line connecting hole 2 are the same. Therefore, the power supply line 10 cannot be connected.
As shown in FIG. 3, when the ground wire 9 is connected and the power connection prevention plate 6 is moved toward the spring 7, the positions of the power connection prevention plate 6 and the power supply line through hole 61 coincide and connect the power supply line 10. can do. Thus, since the power line 10 cannot be connected unless the ground line 9 is connected, the ground line connection is reliably established.
From the above, we provide a terminal block with an earth wire 9 connection forgetting prevention mechanism that can prevent an electric shock accident at the time of electric leakage and enhance the safety of the equipment and ensure stable operation of the lighting circuit by earth wire connection can do.

本発明端子台の斜視図である。  It is a perspective view of this invention terminal block. その電源線接続防止板部未動作時のＡ−Ａ’断面である。  It is an A-A 'section at the time of the power line connection prevention board part not operating. その電源線接続防止板の動作時のＡ−Ａ’断面である。  It is an A-A 'section at the time of operation of the power line connection prevention board.

符号の説明Explanation of symbols

１：本体
１１：上カバ−
１２：下カバ−
２：電源線接続穴
３：ア−ス線接続穴
３１：ア−ス線接続穴壁面
４：器具内電線接続穴
５：電線接続解除ボタン
６：電源線接続防止板
６１：斜面
６２：電源線貫通穴
７：バネ
８：速結金具
９：ア−ス線
１０：電源線1: Body 11: Upper cover
12: Lower cover
2: Power line connection hole 3: Ground line connection hole 31: Ground line connection hole wall surface 4: Wire connection hole in instrument 5: Wire connection release button 6: Power line connection prevention plate 61: Slope 62: Power line Through hole 7: Spring 8: Fast fitting 9: Ground wire 10: Power supply wire

Claims (1)

電源端子台内に電源線貫通穴を設けた電源線接続防止板と電源線接続防止板を可動させるバネ備え、ア−ス線が接続されていない時は、ばねにより端子台本体の電源線貫通穴と電源線接続防止板の電源線貫通穴が一致しないように電源接続防止板の位置を移動し、ア−ス線が接続された時はア−ス線により、電源線接続防止板に設けられた電源線貫通穴と端子台の電源線貫通穴の位置が一致するよう電源線接続防止板の位置を移動し電源線を貫通できるようにした、ア−ス線を接続しなければ電源線が接続できないことを特徴とする端子台。  A power line connection prevention plate with a power line through hole in the power terminal block and a spring that moves the power line connection prevention plate are provided. When the ground wire is not connected, the spring penetrates the power supply line of the terminal block body. Move the position of the power connection prevention plate so that the hole and the power line through hole of the power supply line connection prevention plate do not match, and when the ground wire is connected, install it on the power line connection prevention plate with the ground wire The position of the power line connection prevention plate is moved so that the position of the power line through hole and the power line through hole of the terminal block coincide with each other so that the power line can be penetrated. A terminal block that cannot be connected.
JP2004056801A 2004-01-30 2004-01-30 Terminal block Pending JP2005216838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004056801A JP2005216838A (en) 2004-01-30 2004-01-30 Terminal block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004056801A JP2005216838A (en) 2004-01-30 2004-01-30 Terminal block

Publications (1)

Publication Number Publication Date
JP2005216838A true JP2005216838A (en) 2005-08-11

Family

ID=34908954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004056801A Pending JP2005216838A (en) 2004-01-30 2004-01-30 Terminal block

Country Status (1)

Country Link
JP (1) JP2005216838A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007170998A (en) * 2005-12-22 2007-07-05 Chugoku Electric Power Co Inc:The Watt-hour meter
WO2023209958A1 (en) * 2022-04-28 2023-11-02 ファナック株式会社 Terminal block, and i/o unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007170998A (en) * 2005-12-22 2007-07-05 Chugoku Electric Power Co Inc:The Watt-hour meter
WO2023209958A1 (en) * 2022-04-28 2023-11-02 ファナック株式会社 Terminal block, and i/o unit

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