JP2001119174A - Terminal base - Google Patents

Terminal base

Info

Publication number
JP2001119174A
JP2001119174A JP29393899A JP29393899A JP2001119174A JP 2001119174 A JP2001119174 A JP 2001119174A JP 29393899 A JP29393899 A JP 29393899A JP 29393899 A JP29393899 A JP 29393899A JP 2001119174 A JP2001119174 A JP 2001119174A
Authority
JP
Japan
Prior art keywords
terminal
reinforcing plate
fixed
spacer
flexible printed
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
Application number
JP29393899A
Other languages
Japanese (ja)
Other versions
JP3840352B2 (en
Inventor
Kenji Hirakawa
健治 平川
Mitsuaki Fujimori
光章 藤森
Kiyoshi Takahashi
潔 高橋
Shinkichi Ito
信吉 伊藤
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.)
Fuji Electric Co Ltd
Yokogawa Electric Corp
Original Assignee
Fuji Electric Co Ltd
Yokogawa 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 Fuji Electric Co Ltd, Yokogawa Electric Corp filed Critical Fuji Electric Co Ltd
Priority to JP29393899A priority Critical patent/JP3840352B2/en
Publication of JP2001119174A publication Critical patent/JP2001119174A/en
Application granted granted Critical
Publication of JP3840352B2 publication Critical patent/JP3840352B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a terminal base, by which the unification of a terminal and the saving of a space are enabled and strength at a time, when connectors are connected mutually and a field cable is connected to a push-tightening terminal is ensured. SOLUTION: This terminal base is composed of a push-clamp terminal, the fist reinforcing plate fixed on the rear side of the push-tightening terminal, the second reinforcing plate, on which a connector is fixed, and a flexible printed board, to which at least one of the push-tightening terminal and the leg of the connector is connected electrically and in which one end is fixed onto the first reinforcing plate and the other end onto the second reinforcing plate, and the first reinforcing plate and the second reinforcing plate are fixed integrally with the flexible printed board bent in a U shape via a spacer.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、工業用制御装置等
でフィールド機器との信号線接続に用いられる端子台に
係り、端子の画一化と共に省スペース化を図った端子台
に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal block used for connecting a signal line to a field device in an industrial control device or the like, and more particularly to a terminal block which has uniform terminals and saves space. .

【0002】[0002]

【従来の技術】制御機器において、フィールド機器から
の信号ケーブルを接続するインターフェースには、通
常、端子が用いられている。
2. Description of the Related Art In a control device, a terminal is usually used as an interface for connecting a signal cable from a field device.

【0003】図3は、PLC(Programmable Logic C
ontroller)20(正面図)におけるI/Oモジュール
の端子の例を示すもので、この例においては前面にねじ
端子21が装着され、そこにフィールドケーブル(図示
省略)を接続する構成となっている。
FIG. 3 shows a PLC (Programmable Logic C).
2 shows an example of terminals of an I / O module in an ontroller 20 (front view). In this example, a screw terminal 21 is mounted on the front surface, and a field cable (not shown) is connected thereto. .

【0004】図4はプロセス制御機器に押し締め端子を
採用したI/Oユニットの例を示している。この例で
は、端子部22と入出力モジュールが1:1で対応して
いる状態となっている。
FIG. 4 shows an example of an I / O unit employing a clamp terminal for a process control device. In this example, the terminal unit 22 and the input / output module are in a 1: 1 correspondence.

【0005】プロセス制御機器では多数の入出力信号を
扱うが、信号ケーブルを接続するため、図示しない専用
のねじ端子を有し、回路部が独立してメンテナンスがで
きるようなI/Oユニットで対応したり、ケーブル接続
のために専用の端子台および端子台を収納するための盤
が設置される場合がある。
[0005] Process control equipment handles a large number of input / output signals. However, for connection of signal cables, dedicated screw terminals (not shown) are used, and I / O units that allow circuit parts to be maintained independently are supported. Or a dedicated terminal block for connecting the cable and a panel for accommodating the terminal block may be installed.

【0006】[0006]

【発明が解決しようとする課題】ところで、PLCなどの
小型機器ではモジュールの正面にねじ端子を取り付けた
場合、取付けスペースが限られているため接続できる点
数が少ない。またモジュールと端子の間のコネクタは端
子メーカ独自のものであり、他社の端子との互換性がな
く、その間での機能の付加は困難であるという問題があ
った。
In the case of a small device such as a PLC, when screw terminals are mounted on the front of the module, the number of points that can be connected is small because the mounting space is limited. Also, the connector between the module and the terminal is unique to the terminal maker, has no compatibility with terminals of other companies, and has a problem that it is difficult to add a function between the terminals.

【0007】また、プロセス制御機器では、専用のねじ
端子を有したI/Oモジュールで対応したり、I/Oモジ
ュールと多芯のケーブルで接続された専用の端子台を収
納するための筐体を設置する必要があるため設置スペー
スが増大するという問題があった。
Further, in a process control device, a housing for accommodating an I / O module having a dedicated screw terminal or housing a dedicated terminal block connected to the I / O module by a multi-core cable. Therefore, there is a problem that the installation space increases due to the necessity of installation.

【0008】本発明は多くの信号ケーブルの直接接続が
可能で、端子の画一化と共に省スペース化を図った端子
台を実現することを目的とする。
SUMMARY OF THE INVENTION It is an object of the present invention to realize a terminal block which enables direct connection of many signal cables, and in which terminals are made uniform and space is saved.

【0009】[0009]

【課題を解決するための手段】このような目的を達成す
るために本発明では、請求項1においては押し締め端子
と、この押し締め端子の裏側に固定された第1補強板
と、コネクタが固定された第2補強板と、前記押し締め
端子とコネクタの脚の少なくとも一つを電気的に接続
し、前記第1補強板に一端が第2補強板に他端が固着さ
れたフレキシブルプリント板と、からなり、前記第1補
強板と第2補強板はスペーサを介してU字状に折り曲げ
られた前記フレキシブルプリント板とともに一体に固定
されたことを特徴とする。
In order to achieve the above object, according to the present invention, a pressing terminal, a first reinforcing plate fixed to the back side of the pressing terminal, and a connector are provided. A fixed second reinforcing plate, a flexible printed board in which at least one of the clamp terminal and the leg of the connector is electrically connected, and one end of the first reinforcing plate is fixed to the other end of the second reinforcing plate. Wherein the first reinforcing plate and the second reinforcing plate are integrally fixed together with the flexible printed board bent in a U-shape via a spacer.

【0010】請求項2においては、請求項1記載の端子
台において、外部との接続部を開口して透明ケースに収
納されたことを特徴とする。
According to a second aspect of the present invention, in the terminal block according to the first aspect, a connection portion with the outside is opened and housed in a transparent case.

【0011】請求項3においては、請求項1記載の端子
台において、スペーサは絶縁体で前記第1補強板と第2
補強板と同程度の長さに形成され、このスぺーサ内に等
温板が配置されたことを特徴とする。請求項4において
は、請求項1記載の端子台において、押し締め端子は前
面から見て、端子部の区分けがされたことを特徴とす
る。
According to a third aspect of the present invention, in the terminal block according to the first aspect, the spacer is an insulator and the first reinforcing plate and the second reinforcing plate are insulated from each other.
It is formed to have the same length as the reinforcing plate, and an isothermal plate is arranged in the spacer. According to a fourth aspect of the present invention, in the terminal block of the first aspect, the pressing terminal is divided into terminal portions when viewed from the front.

【0012】[0012]

【発明の実施の形態】以下図面を用いて本発明を詳しく
説明する。図1は本発明に係る実施の形態の1例を示す
分解斜視図である。図において、1は押し締め端子であ
り、この例では第1補強板2に対して2個設けられてい
る。押し締め端子は18本のねじ1aとこれに対応して形
成された同数の穴1bを有しており、配線の先端を穴1
bに挿入しねじ1aにより固定する。このような押し締
め端子1は市販されており、従来から用いられているね
じ端子に比較して狭い領域に多数の配線が可能である。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings. FIG. 1 is an exploded perspective view showing one example of an embodiment according to the present invention. In the figure, reference numeral 1 denotes a pressing terminal, and two terminals are provided for the first reinforcing plate 2 in this example. The pressing terminal has 18 screws 1a and the same number of holes 1b formed in correspondence with the screws.
b and fixed with screws 1a. Such a clamp terminal 1 is commercially available, and a large number of wires can be formed in a narrower area than a conventional screw terminal.

【0013】図2は押し締め端子1の裏面の詳細を示す
斜視図である。図示のように第1補強板2およびフレキ
シブルプリント板3の一端には押し締め端子1の脚1c
に対応する部分に穴1dが形成され、この穴1dに脚1
cが挿入されて半田によりフレキシブルプリント板3に
形成された配線3aと接続される。なお、補強板2とフ
レキシブルプリント板は接着剤等により固着されてい
る。
FIG. 2 is a perspective view showing the details of the back surface of the clamp terminal 1. As shown in the drawing, the leg 1c of the clamp terminal 1 is attached to one end of the first reinforcing plate 2 and one end of the flexible printed board 3.
A hole 1d is formed in a portion corresponding to
c is inserted and connected to the wiring 3a formed on the flexible printed board 3 by soldering. The reinforcing plate 2 and the flexible printed board are fixed with an adhesive or the like.

【0014】図1に戻り、フレキシブルプリント板3の
他端は前述と同様の方法により点線で示すコネクタ5が
設けられた第2補強板4に接着されている。4aは第2
補強板に取り付けられた抵抗,コンデンサ,ノイズ対策
部品等の電子部品である。5aはI/Oモジュール6に
固定され、コネクタ5と接続するコネクタである。
Returning to FIG. 1, the other end of the flexible printed board 3 is bonded to a second reinforcing plate 4 provided with a connector 5 indicated by a dotted line in the same manner as described above. 4a is the second
Electronic components such as resistors, capacitors, and noise suppression components attached to the reinforcing plate. 5 a is a connector fixed to the I / O module 6 and connected to the connector 5.

【0015】なお、押し締め端子1に接続されるフィー
ルドケーブルからの信号はフレキシブルプリント板の配
線によりI/Oモジュール側のコネクタ5a側に接続さ
れるが、どの信号をコネクタ5aのどの脚に接続するか
はフレキシブルプリント板の配線により任意である。
The signal from the field cable connected to the pressing terminal 1 is connected to the connector 5a on the I / O module side by the wiring of the flexible printed board, but which signal is connected to which leg of the connector 5a. This is optional depending on the wiring of the flexible printed board.

【0016】7はスペーサであり、側部に所定の高さを
有する凸部7aおよび略中央部にこれと同じ高さのピン
7bが形成されている。このスペーサ7は第1,第2補
強板2,4を接続するフレキシブルプリント板3を略U
字状に折り曲げて形成される空間に挿入され、これらの
補強板2,4を略平行に維持した状態で固定される。
Reference numeral 7 denotes a spacer, which is formed with a convex portion 7a having a predetermined height on a side portion and a pin 7b having the same height at a substantially central portion. The spacer 7 is a U-shaped flexible printed board 3 connecting the first and second reinforcing boards 2 and 4.
The reinforcing plates 2 and 4 are inserted into a space formed by being bent into a letter shape, and are fixed in a state where these reinforcing plates 2 and 4 are maintained substantially parallel.

【0017】8はスペーサ7に形成された3本のピン7
bが挿入される穴8aを有する等温板であり、端子台に
熱電対が接続される場合等に用いられ、押し締め端子1
の脚部1c(図2参照)の温度を等温度に均一化するよ
うに機能する。尚、この等温板はコ字状に形成されて、
スペーサ7の凸部の内側に配置したときに両端が凸部7
aと略同じ高さになるように形成されている。
Reference numeral 8 denotes three pins 7 formed on the spacer 7
b is an isothermal plate having a hole 8a into which a thermocouple is connected to a terminal block.
The leg 1c (see FIG. 2) functions to make the temperature uniform. In addition, this isothermal plate is formed in a U-shape,
When placed inside the protrusion of the spacer 7, both ends are the protrusion 7.
It is formed to be approximately the same height as a.

【0018】9はプラスチック材からなる前ケースであ
り、仕切り板9aを挟んで前面が開口されている。この
仕切り板9aが2つの押し締め端子1の隙間1eに挿入
されてねじ1aが前面に露出した状態となり、第2補強
板4が前ケース9の縁部9b付近まで達して蓋をした状
態となる。図では仕切り板9aで2つに区分けしている
が押し締め端子1の端子数や配置に応じて任意に区分け
することができる。
Reference numeral 9 denotes a front case made of a plastic material, the front surface of which is opened with a partition plate 9a interposed therebetween. The state in which the partition plate 9a is inserted into the gap 1e between the two clamp terminals 1 and the screw 1a is exposed on the front surface, and the second reinforcing plate 4 reaches the vicinity of the edge 9b of the front case 9 and closes the lid. Become. In the drawing, the partitioning plate 9a divides the pressing terminal 1 into two. However, the pressing terminal 1 can be arbitrarily divided according to the number and arrangement of the terminals.

【0019】10はプラスチック材からなる後ケース
で、コネクタ5に対応する部分が開口されてコネクタ5
aに接続可能とされる。なお、前ケース9、後ケース1
0の両方若しくは何れか一方を透明体として形成しても
よい。
Reference numeral 10 denotes a rear case made of a plastic material.
a. The front case 9 and the rear case 1
Both or any one of 0 may be formed as a transparent body.

【0020】上記押し締め端子1,第1,第2補強板
2,4で挟まれたスペーサ7,前ケース9および後ケー
ス10は2本のねじ12によって一体に固定され、それ
がねじ13によってI/Oモジュール6の後部に形成さ
れたねじ穴14に固定される。
The spacer 7, the front case 9 and the rear case 10 sandwiched between the pressing terminals 1, the first and second reinforcing plates 2, 4 are integrally fixed by two screws 12, which are fixed by screws 13. The I / O module 6 is fixed to a screw hole 14 formed at the rear part.

【0021】上述の構成によれば、押し締め端子1の採
用により狭い領域に多くの端子を設けることができ、端
子の画一化と共に省スペース化が可能となる。また、第
1補強板と第2補強板がスペーサを介してU字状に折り
曲げられたフレキシブルプリント板とともに一体に固定
されるので、コネクタ5,5a同士の接続やねじ1aに
フィールドケーブルを接続する際の強度を確保すること
ができる。
According to the above-described configuration, the use of the clamp terminals 1 enables provision of many terminals in a narrow area, thereby making it possible to standardize the terminals and save space. Also,
(1) Since the reinforcing plate and the second reinforcing plate are integrally fixed together with the flexible printed board bent in a U-shape via a spacer, strength at the time of connecting the connectors 5 and 5a and connecting the field cable to the screw 1a. Can be secured.

【0022】更に、フレキシブルプリント板の配線のバ
リエーションを変更することにより同一の構成で異なる
種類の配線が可能となる。また、前ケース9、後ケース
10の両方若しくは何れか一方を透明体とすれば内部に
取り付けた電子部品を観察することができ使用対象の確
認が容易である。
Further, by changing the variation of the wiring of the flexible printed board, different types of wiring can be realized with the same configuration. In addition, if both or one of the front case 9 and the rear case 10 is made of a transparent material, the electronic components mounted inside can be observed, and the use target can be easily confirmed.

【0023】なお、本発明の以上の説明は、説明および
例示を目的として特定の好適な実施例を示したに過ぎな
い。したがって本発明はその本質から逸脱せずに多くの
変更、変形をなし得ることは当業者に明らかである。
It is to be noted that the above description of the present invention has been presented by way of illustration and example only, and of particular preferred embodiments. Thus, it will be apparent to one skilled in the art that the present invention may be modified or modified in many ways without departing from its essentials.

【0024】例えば、スペーサの形状や前後のケースね
じの位置、押し締め端子の形状や取り付ける数などは任
意に設計変更が可能である。特許請求の範囲の欄の記載
により定義される本発明の範囲は、その範囲内の変更、
変形を包含するものとする。
For example, the design of the shape of the spacer, the positions of the front and rear case screws, the shape of the clamp terminals, and the number of mounting terminals can be arbitrarily changed. The scope of the present invention, which is defined by the description in the claims, is changed within the scope,
It shall include the deformation.

【0025】[0025]

【発明の効果】以上説明したように本発明によれば、第
1補強板と第2補強板がスペーサを介してU字状に折り
曲げられたフレキシブルプリント板とともに一体に固定
されるので(請求項1)、同一の構成で異なる種類の端
子台を作製することができる。また、押し締め端子を透
明ケースに収納した(請求項2)ので内部に取り付けた
電子部品を観察することができ使用対象の確認が容易で
ある。また、スぺーサ内に同程度の長さの等温板を配置
(請求項3)すれば熱電対入力の端子の温度を一定にす
ることができる。また、押し締め端子は正面から見て、
端子部の区分けがされている(請求項4)ので、配線が
容易である。
According to the present invention as described above,
(1) Since the reinforcing plate and the second reinforcing plate are integrally fixed together with the U-shaped bent flexible printed board via the spacer (claim 1), it is possible to produce different types of terminal blocks with the same configuration. it can. In addition, since the clamping terminal is housed in the transparent case (claim 2), the electronic components attached inside can be observed, and the use object can be easily confirmed. If an isothermal plate of approximately the same length is arranged in the spacer (claim 3), the temperature of the thermocouple input terminal can be kept constant. Also, the clamp terminals are viewed from the front,
Since the terminal portions are divided (claim 4), wiring is easy.

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

【図1】本発明に係る実施の形態の1例を分解斜視図で
ある。
FIG. 1 is an exploded perspective view of an example of an embodiment according to the present invention.

【図2】押し締め端子の裏面の詳細を示す斜視図であ
る。
FIG. 2 is a perspective view showing details of a back surface of the clamp terminal.

【図3】従来例を示す斜視図である。FIG. 3 is a perspective view showing a conventional example.

【図4】他の従来例を示す斜視図である。FIG. 4 is a perspective view showing another conventional example.

【符号の説明】[Explanation of symbols]

1 押し締め端子 1a,12,13 ねじ 1b,8a 穴 1c 脚 2 第1補強板 3 フレキシブルプリント板 4 第2補強板 4a 電子部品 5,5a コネクタ 6 I/Oモジュール 7 スペーサ 7b ピン 8 等温板 9 前ケース 9a 仕切り板 9b 縁部 10 後ケース 14 ねじ穴 20 PLC 21 ねじ端子 22 端子部 23 入出力モジュール DESCRIPTION OF SYMBOLS 1 Pressing terminal 1a, 12, 13 Screw 1b, 8a Hole 1c Leg 2 First reinforcing plate 3 Flexible printed board 4 Second reinforcing plate 4a Electronic component 5, 5a Connector 6 I / O module 7 Spacer 7b Pin 8 Isothermal plate 9 Front case 9a Partition plate 9b Edge 10 Rear case 14 Screw hole 20 PLC 21 Screw terminal 22 Terminal part 23 Input / output module

───────────────────────────────────────────────────── フロントページの続き (72)発明者 高橋 潔 神奈川県川崎市川崎区田辺新田1番1号 富士電機株式会社内 (72)発明者 伊藤 信吉 神奈川県川崎市川崎区田辺新田1番1号 富士電機株式会社内 Fターム(参考) 5E348 AA29 AA30  ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kiyoshi Takahashi 1-1-1, Tanabe-Nitta, Kawasaki-ku, Kawasaki, Kanagawa Prefecture Inside Fuji Electric Co., Ltd. (72) Inventor Nobuyoshi Ito 1st Tanabe-Nitta, Kawasaki-ku, Kawasaki-ku, Kanagawa Prefecture No. 1 F-term in Fuji Electric Co., Ltd. (reference) 5E348 AA29 AA30

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】押し締め端子と、この押し締め端子の裏側
に固定された第1補強板と、コネクタが固定された第2補
強板と、前記押し締め端子とコネクタの脚の少なくとも
一つが電気的に接続され前記第1補強板に一端が第2補
強板に他端が固着されたフレキシブルプリント板と、か
らなり、前記第1補強板と第2補強板はスペーサを介し
てU字状に折り曲げられた前記フレキシブルプリント板
とともに一体に固定されたことを特徴とする端子台。
1. A pressing terminal, a first reinforcing plate fixed to a back side of the pressing terminal, a second reinforcing plate to which a connector is fixed, and at least one of legs of the pressing terminal and the connector is electrically connected. And a flexible printed board, one end of which is fixedly connected to the first reinforcing plate and the other end of which is fixed to the second reinforcing plate, wherein the first reinforcing plate and the second reinforcing plate are U-shaped through a spacer. A terminal block, which is integrally fixed together with the bent flexible printed board.
【請求項2】外部との接続部を開口して透明ケースに収
納されたことを特徴とする請求項1記載の端子台。
2. The terminal block according to claim 1, wherein said terminal block is housed in a transparent case with an opening for connection to the outside.
【請求項3】スペーサは絶縁体で前記第1補強板と第2
補強板と同程度の長さに形成され、このスぺーサ内に等
温板が配置されたことを特徴とする請求項1記載の端子
台。
3. The spacer is an insulator made of a material such as the first reinforcing plate and the second reinforcing plate.
2. The terminal block according to claim 1, wherein the terminal plate is formed to have a length substantially equal to that of the reinforcing plate, and an isothermal plate is disposed in the spacer.
【請求項4】押し締め端子は正面から見て、端子部の区
分けがされたことを特徴とする請求項1記載の端子台。
4. The terminal block according to claim 1, wherein the clamping terminal is divided into terminal portions as viewed from the front.
JP29393899A 1999-10-15 1999-10-15 Terminal block Expired - Lifetime JP3840352B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29393899A JP3840352B2 (en) 1999-10-15 1999-10-15 Terminal block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29393899A JP3840352B2 (en) 1999-10-15 1999-10-15 Terminal block

Publications (2)

Publication Number Publication Date
JP2001119174A true JP2001119174A (en) 2001-04-27
JP3840352B2 JP3840352B2 (en) 2006-11-01

Family

ID=17801124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29393899A Expired - Lifetime JP3840352B2 (en) 1999-10-15 1999-10-15 Terminal block

Country Status (1)

Country Link
JP (1) JP3840352B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008256571A (en) * 2007-04-06 2008-10-23 Hioki Ee Corp Measuring device
JP2009277636A (en) * 2008-04-15 2009-11-26 Yokogawa Electric Corp Connector fitting mechanism

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5188794B2 (en) * 2007-12-13 2013-04-24 日置電機株式会社 Connection structure of connected measuring unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008256571A (en) * 2007-04-06 2008-10-23 Hioki Ee Corp Measuring device
JP2009277636A (en) * 2008-04-15 2009-11-26 Yokogawa Electric Corp Connector fitting mechanism

Also Published As

Publication number Publication date
JP3840352B2 (en) 2006-11-01

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