JPH025577Y2 - - Google Patents
Info
- Publication number
- JPH025577Y2 JPH025577Y2 JP1983008523U JP852383U JPH025577Y2 JP H025577 Y2 JPH025577 Y2 JP H025577Y2 JP 1983008523 U JP1983008523 U JP 1983008523U JP 852383 U JP852383 U JP 852383U JP H025577 Y2 JPH025577 Y2 JP H025577Y2
- Authority
- JP
- Japan
- Prior art keywords
- input
- door
- heat
- cover
- board
- 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
Links
- 239000011810 insulating material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Casings For Electric Apparatus (AREA)
Description
【考案の詳細な説明】
この考案は、多数か所に配設された熱電対の各
入力端子が取り付けられた端子板を有するととも
に、各熱電対からの入力信号により他のか所に設
けられた各種装置を制御する信号を出力するため
の電子回路部品を有する熱電対の入力端子筐に関
するものである。[Detailed description of the invention] This invention has a terminal board to which the input terminals of thermocouples arranged in many places are attached, and the input terminals of the thermocouples are connected to other places depending on the input signal from each thermocouple. The present invention relates to a thermocouple input terminal housing having electronic circuit components for outputting signals for controlling various devices.
この種、熱電対の入力端子筐は、各熱電対の入
力端子が熱電対の各基準接点として機能するとこ
ろから、各入力端子間に温度差が生じないように
する必要があるが、上記電子回路部品から発生す
る熱により各入力端子間に温度差が生ずるという
問題点があつた。 This type of thermocouple input terminal housing must be designed to prevent temperature differences from occurring between each input terminal because each thermocouple input terminal functions as each thermocouple's reference junction. There was a problem in that the heat generated from the circuit components caused a temperature difference between the input terminals.
この考案は、上記の点に鑑みてなしたもので、
上記のような電子回路部品から発生する熱によ
り、熱電対の各入力端子間に温度差が生ずること
のないようにしたコンパクトな構造の熱電対の入
力端子筐を提供することを目的としている。 This idea was made in view of the above points,
It is an object of the present invention to provide a thermocouple input terminal housing having a compact structure that prevents temperature differences between input terminals of the thermocouple due to heat generated from the electronic circuit components as described above.
そして、この考案は、この目的を達成するため
に、
筐体本体の内部の一側に多数か所に設置された
熱電対の各入力端子が取り付けられた端子板１７
が設けられ、
筐体本体の内部の他側には前記各熱電対からの
入力信号を順次選択したりまた該入力信号に対応
して他のか所に設けられた装置を制御する信号を
出力したりする入出力部１６が設けられ、
前記入出力部１６はカバー２１によつて覆われ
て、機械的及び熱的に保護されてなり、
筐体本体の開口部を閉鎖する扉の内側には、前
記入出力部１６からの信号を処理し又は制御する
発熱量の大きい電子部品が取り付けられた共通基
板２７が設けられ、
前記共通基板２７は熱伝導性の良いカバー４２
によつて覆われることにより前記共通基板２７上
の各部品が発生した熱は前記カバー４２を介して
前記扉側へ伝達され、この扉から外部へ放熱され
るように形成し、
前記扉と筐体本体の開口部の当接縁部には断熱
材４１が設けられていることを特徴とする熱電対
の入力端子筐にある。 In order to achieve this purpose, this invention has a terminal board 17 to which input terminals of thermocouples installed at multiple locations are attached on one side of the interior of the housing body.
is provided on the other side of the interior of the housing body for sequentially selecting input signals from each of the thermocouples and for outputting signals for controlling devices provided elsewhere in response to the input signals. The input/output section 16 is covered with a cover 21 and protected mechanically and thermally, and the inside of the door that closes the opening of the main body of the casing is provided with an input/output section 16 for , a common board 27 is provided with electronic components that process or control signals from the input/output unit 16 and generates a large amount of heat, and the common board 27 is provided with a cover 42 having good thermal conductivity.
The heat generated by each component on the common board 27 by being covered by the cover 42 is transmitted to the door side through the cover 42, and the heat is radiated to the outside from the door, and the door and the casing are The thermocouple input terminal housing is characterized in that a heat insulating material 41 is provided at the abutting edge of the opening of the body.
以下この考案の一実施例を図面を参照して説明
する。 An embodiment of this invention will be described below with reference to the drawings.
第１図はこの考案よる熱電対の入力端子筐の一
例の斜視図である。この図において、１０は端子
筐１５の本体であり、この本体１０の下部には脚
１１，１２が設けられ、かつこの本体１０の上部
は扉１３によつて開放自在に閉止されている。扉
１３は前記本体１０の脚１２側に設けられた蝶番
（図示略）によつて矢印Ａ方向に回動するように
構成されるものであり、通常ロツク機構１４，１
４によつて閉止されている。以下第２図および第
３図を参照してこの端子筐１５をさらに説明す
る。 FIG. 1 is a perspective view of an example of the input terminal housing of a thermocouple according to this invention. In this figure, 10 is a main body of a terminal housing 15, legs 11 and 12 are provided at the lower part of this main body 10, and the upper part of this main body 10 is closed by a door 13 so as to be openable. The door 13 is configured to rotate in the direction of arrow A by a hinge (not shown) provided on the side of the leg 12 of the main body 10, and usually has lock mechanisms 14, 1.
It is closed by 4. The terminal housing 15 will be further explained below with reference to FIGS. 2 and 3.
第２図は第１図に示す端子筐１５の扉１３を開
いた時の一部裁断斜視図である。この図におい
て、１６は図示せぬ装置からの入力信号、すなわ
ち複数の熱電対入力信号を順次選択したり、また
前記装置のモータ、ソレノイド等に接点信号を出
力したりする入出力部であり、この入出力部１６
内の右端には端子板１７が設けられている。端子
板１７は前記本体１０の側部に設けられている穴
１８，１８…（なおこの穴はパンチスルーとなつ
たものであり、不必要な穴は閉止板によつて閉じ
られている）を介して各測定点からの各ケーブル
の端子が接続されるものであり、この端子板１７
の各電極端子は第３図に示すように入出力基板２
０に接続されている。入出力基板２０は使用時に
はカバー２１によつて覆われるものであり、この
入出力基板２０の右方には前記端子板１７からの
信号を選択する多数のリードリレー２２，２２…
および各素子２３，２３…が設けられると共に、
この入出力基板２０の左方（第２図において左
方）にはコネクタ２５が設けられ、かつこのコネ
クタ２５は第１のフレキシブル帯コード２６を介
して前記扉１３にある共通基板２７のコネクタ２
８に接続されている。また前記入出力基板２０の
左方（第２図において左方）には外部端子板２９
が設けられている。外部端子板２９は前記穴１
８，１８…と同様に形成されている穴３０，３０
…を介して電源ラインを含むケーブル（２線式伝
送線）の各端子が接続されるものであり、この外
部端子板２９の各電極は第２のフレキシブル帯コ
ード３１を介してコネクタ３２に接続されてい
る。すなわち、熱電対入力を処理する入出力基板
２０は本体１０内の下部に設けられると共に、こ
の入出力基板２０はカバー２１によつて機械的に
もまた熱的にも保護され、これによりカバー２１
の上面を通つて端子板１７，２９に接続される前
記電源ラインを含む各ケーブルが発生した熱（こ
の熱の量は通常極めて少ない）は対流またはカバ
ー２１による熱伝導により本体１０の上方および
外部へ伝えられる。 FIG. 2 is a partially cutaway perspective view of the terminal housing 15 shown in FIG. 1 when the door 13 is opened. In this figure, 16 is an input/output unit that sequentially selects an input signal from a device (not shown), that is, a plurality of thermocouple input signals, and outputs a contact signal to the motor, solenoid, etc. of the device. This input/output section 16
A terminal plate 17 is provided at the right end inside. The terminal board 17 has holes 18, 18... (this hole is a punch-through hole, and unnecessary holes are closed by a closing plate) provided on the side of the main body 10. The terminals of each cable from each measurement point are connected through this terminal board 17.
Each electrode terminal is connected to the input/output board 2 as shown in Figure 3.
Connected to 0. The input/output board 20 is covered by a cover 21 during use, and on the right side of the input/output board 20 are a number of reed relays 22, 22, . . . for selecting signals from the terminal board 17.
and each element 23, 23... are provided,
A connector 25 is provided on the left side of this input/output board 20 (left side in FIG. 2), and this connector 25 is connected to the connector 2 of the common board 27 on the door 13 via a first flexible band cord 26.
8 is connected. Also, on the left side of the input/output board 20 (left side in FIG. 2) is an external terminal board 29.
is provided. The external terminal board 29 is connected to the hole 1
Holes 30, 30 formed similarly to 8, 18...
Each terminal of a cable (two-wire transmission line) including a power supply line is connected through ..., and each electrode of this external terminal board 29 is connected to a connector 32 through a second flexible band cord 31. has been done. That is, the input/output board 20 that processes thermocouple input is provided in the lower part of the main body 10, and this input/output board 20 is mechanically and thermally protected by the cover 21.
The heat generated by each cable including the power supply lines connected to the terminal boards 17 and 29 through the upper surface (the amount of this heat is usually extremely small) is transferred above and to the outside of the main body 10 by convection or heat conduction by the cover 21. will be communicated to.
また、前記コネクタ３２は前記扉１３の内面の
共通基板２７に固定されるものであり、この共通
基板２７上には前記入出力基板２０からの信号を
Ａ／Ｄ変換すると共に、この変換結果を伝送信号
に変換するための各部品（例えば、マイクロプロ
セツサ、RAMなど）３３，３３…と、これらの
各部品３３，３３および前記入出力基板２０に電
源を供給するための各部品（例えば、トランス、
コンデサなど）３４，３４…と、電源電圧を制御
するための電圧レギユレータ３５が設けられ、か
つこの共通基板２７の一方の側部には放熱板３６
がネジ止めされている。放熱板３６は第３図の断
面図（この断面図は第１図のＢ−Ｂ断面における
断面図である）に示すように断面Ｌ字状のアルミ
板から構成されるものであり、この放熱板３６の
面３６−ａにはネジによつて前記電圧レギユレー
タ３５が取り付けられると共に、この放熱板３６
の面３６−ｂは熱伝達部３７の面３７−ａに当接
している。熱伝達部３７はその一端が前記扉１３
の内面に固定されるものであり、前記放熱板３６
の熱をこの扉１３に伝達する。なおこの場合、前
記共通基板２７と前記放熱板３６との間の隙間に
はスペーサ３８が設けられ、共通基板２７のプリ
ントパターンと放熱板３６とが接触しないように
なつている。同様に、この共通基板２７の他方の
側部にもスペーサ３９が設けられ、このスペーサ
３９を介してこの共通基板２７の一側部が取り付
け板４０にネジ止めされている。取り付け板４０
は前記熱伝達部３７と同様に構成されるものであ
り、この取付け板４０の一端は前記扉１３の内面
に固定されている。扉１３は前記共通基板２７上
の各部が発生した熱を外部に放熱するために金属
等の熱伝導性の良いものによつて構成されるもの
であり、この扉１３の内面周縁にはゴムなどの断
熱材４１が設けられると共に、この内面には前記
共通基板２７を覆うようにして周端４２−ａがＬ
字状に形成され、かつこれが扉１３に面接触して
いるカバー４２が設けられている。カバー４２は
熱伝導性の良いアルミ板などにより構成されるも
のであり、このカバー４２の一部には操作穴４３
（第２図参照）が形成され、この操作穴４３によ
つて前記共通基板２７をカバー４２で閉止した時
にも共通基板２７上のスイツチ４４，４４を操作
し得るようになつている。 Further, the connector 32 is fixed to a common board 27 on the inner surface of the door 13, and on this common board 27, the signal from the input/output board 20 is A/D converted, and the conversion result is transmitted. Each component (for example, microprocessor, RAM, etc.) 33, 33... for converting into a transmission signal, and each component for supplying power to each of these components 33, 33 and the input/output board 20 (for example, Trance,
capacitors, etc.) 34, 34... and a voltage regulator 35 for controlling the power supply voltage, and a heat sink 36 is provided on one side of the common board 27.
is screwed on. The heat dissipation plate 36 is composed of an aluminum plate having an L-shaped cross section, as shown in the cross-sectional view of FIG. The voltage regulator 35 is attached to the surface 36-a of the plate 36 with screws, and the heat sink 36
The surface 36-b is in contact with the surface 37-a of the heat transfer section 37. The heat transfer section 37 has one end connected to the door 13.
is fixed to the inner surface of the heat sink 36.
heat is transferred to this door 13. In this case, a spacer 38 is provided in the gap between the common board 27 and the heat sink 36 to prevent the printed pattern of the common board 27 and the heat sink 36 from coming into contact with each other. Similarly, a spacer 39 is provided on the other side of the common board 27, and one side of the common board 27 is screwed to the mounting plate 40 via the spacer 39. Mounting plate 40
is constructed in the same manner as the heat transfer section 37, and one end of this mounting plate 40 is fixed to the inner surface of the door 13. The door 13 is made of a material with good thermal conductivity such as metal in order to radiate heat generated by each part on the common board 27 to the outside, and the inner periphery of the door 13 is made of rubber or the like. A heat insulating material 41 is provided on the inner surface thereof, and a peripheral end 42-a is provided on the inner surface thereof so as to cover the common board 27.
A cover 42 is provided which is shaped like a letter and is in surface contact with the door 13. The cover 42 is made of an aluminum plate with good thermal conductivity, and a part of the cover 42 has an operation hole 43.
(See FIG. 2), and the operation hole 43 allows the switches 44, 44 on the common board 27 to be operated even when the common board 27 is closed with the cover 42.
上記の構成に係る熱電対の入力端子筐によれ
ば、扉１３を構成する板１３−ａと前記カバー４
２とにより形成される空間Ｓ内に発熱量の大きい
共通基板２７を配置して、この共通基板２７が発
生した熱を対流およびカバー４２を介して扉１３
に伝達すると共に、この共通基板２７上の特に発
熱量の大きい電圧レギユレータ３５の熱を放熱板
３６、伝熱部３７を介して前記扉１３側に直接伝
達するようにしたので、この共通基板２７が多量
の熱を発生した場合においても、この熱を扉１３
から放熱して前記入出力基板２０側に影響を与え
ないようにすることができる。 According to the thermocouple input terminal housing having the above configuration, the plate 13-a forming the door 13 and the cover 4
A common board 27 that generates a large amount of heat is placed in a space S formed by
At the same time, the heat of the voltage regulator 35, which generates a particularly large amount of heat, on this common board 27 is directly transmitted to the door 13 side via the heat sink 36 and the heat transfer section 37. Even if the door 13 generates a large amount of heat, this heat is
Heat can be radiated from the input/output board 20 side without affecting the input/output board 20 side.
またこの実施例においては扉１３と本体１０と
の間に断熱材４１を介挿したので、扉１３からの
放熱量が大きい場合においても、この時の熱が本
体１５側に直接伝達されるのを防止することがで
きる。 Furthermore, in this embodiment, since the heat insulating material 41 is inserted between the door 13 and the main body 10, even if the amount of heat radiated from the door 13 is large, the heat at this time is not directly transmitted to the main body 15 side. can be prevented.
さらにこの実施例においては、入出力基板２０
を本体１０内の下部に設けると共に、共通基板２
７を扉１３の内側に設けてこれらの基板２０，２
７をできるだけ離間させ、かつこれらの間にはカ
バー２１，４２によつて断熱空間Ｖが形成される
ようにしたので、共通基板２７と入出力基板２０
との間の熱抵抗を極めて大きくすることができ
る。 Furthermore, in this embodiment, the input/output board 20
is provided at the lower part of the main body 10, and the common board 2
7 is provided inside the door 13, and these boards 20, 2
7 are separated as much as possible, and a heat insulating space V is formed between them by the covers 21 and 42, so that the common board 27 and the input/output board 20
The thermal resistance between the two can be made extremely large.
本考案の熱電対の入力端子筐によれば、筐体本
体の内部の一側には多数か所に設置された熱電対
の各入力端子が取り付けられた端子板１７を設
け、筐体本体の内部の他側にはカバー２１で覆つ
て上記熱電対の各入力端子への入出力信号を処理
する入出力部１６を設け、さらに扉の内側にはカ
バー４２で覆つて上記入出力部１６を制御又は処
理する発熱量の大きい電子部品が取り付けられた
共通基板２７を設けて扉側から放熱させるように
なし、上記筐体本体と扉の当接縁部間には断熱材
４１を介設したので、各熱電対の入力端子間に発
熱部品による温度の不均一が生ぜず、また発熱量
の大きい共通基板２７からの発熱により、熱電対
の入力端子並びに入出力部１６が影響を受けると
いうこともなく、各入力端子が各熱電対の基準接
点として機能すると共にその入力信号を処理して
他の装置の温度制御信号として出力する機能を有
する誤動作のないコンパクトの構造となる効果が
ある。 According to the thermocouple input terminal casing of the present invention, the terminal board 17 is provided on one side of the interior of the casing body, to which the input terminals of the thermocouples installed at multiple locations are attached. On the other side of the interior, an input/output section 16 is provided which is covered with a cover 21 and processes input/output signals to each input terminal of the thermocouple, and further inside the door is covered with a cover 42 so that the input/output section 16 is covered with a cover 21. A common board 27 to which electronic components that generate a large amount of heat to be controlled or processed are attached is provided to radiate heat from the door side, and a heat insulating material 41 is interposed between the casing body and the abutting edge of the door. Therefore, temperature non-uniformity due to heat generating parts does not occur between the input terminals of each thermocouple, and the input terminals of the thermocouples and the input/output section 16 are not affected by the heat generated from the common board 27, which generates a large amount of heat. Therefore, each input terminal functions as a reference junction for each thermocouple, processes the input signal, and outputs it as a temperature control signal for other devices, resulting in a compact structure that does not malfunction.
第１図はこの考案による熱電対の入力端子筐の
一実施例を示す斜視図、第２図は第１図に示す熱
電対の入力端子筐の扉１３を開いた時の一部裁断
斜視図、第３図は第１図に示すＢ−Ｂ断面におけ
る断面図である。
１０……本体（筐体本体）、１３……扉、２７
……共通基板、３４……部品、３５……電圧レギ
ユレータ（部品）、３６……放熱板、３７……熱
伝達部、４１……断熱材、４２……カバー。
Fig. 1 is a perspective view showing an embodiment of the thermocouple input terminal case according to this invention, and Fig. 2 is a partially cutaway perspective view of the thermocouple input terminal case shown in Fig. 1 when the door 13 is opened. , FIG. 3 is a sectional view taken along the line BB shown in FIG. 1. 10...Main body (casing body), 13...Door, 27
... common board, 34 ... parts, 35 ... voltage regulator (parts), 36 ... heat sink, 37 ... heat transfer section, 41 ... heat insulating material, 42 ... cover.
Claims (1)
熱電対の各入力端子が取り付けられた端子板１７
が設けられ、 筐体本体の内部の他側には前記各熱電対からの
入力信号を順次選択したりまた該入力信号に対応
して他のか所に設けられた装置を制御する信号を
出力したりする入出力部１６が設けられ、 前記入出力部１６はカバー２１によつて覆われ
て、機械的及び熱的に保護されてなり、 筐体本体の開口部を閉鎖する扉の内側には、前
記入出力部１６からの信号を処理し又は制御する
発熱量の大きい電子部品が取り付けられた共通基
板２７が設けられ、 前記共通基板２７は熱伝導性の良いカバー４２
によつて覆われることにより前記共通基板２７上
の各部品が発生した熱は前記カバー４２を介して
前記扉側へ伝達され、この扉から外部へ放熱され
るように形成し、 前記扉と筐体本体の開口部の当接縁部には断熱
材４１が設けられていることを特徴とする熱電対
の入力端子筐。[Scope of Claim for Utility Model Registration] Terminal board 17 to which input terminals of thermocouples installed at multiple locations on one side of the housing body are attached.
is provided on the other side of the interior of the housing body for sequentially selecting input signals from each of the thermocouples and for outputting signals for controlling devices provided elsewhere in response to the input signals. The input/output section 16 is covered with a cover 21 and protected mechanically and thermally, and the inside of the door that closes the opening of the main body of the casing is provided with an input/output section 16 for , a common board 27 is provided with electronic components that process or control signals from the input/output unit 16 and generates a large amount of heat, and the common board 27 is provided with a cover 42 having good thermal conductivity.
The heat generated by each component on the common board 27 by being covered by the cover 42 is transmitted to the door side through the cover 42, and the heat is radiated to the outside from the door, and the door and the casing are An input terminal housing for a thermocouple, characterized in that a heat insulating material 41 is provided at the contact edge of the opening of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP852383U JPS59115694U (en) | 1983-01-26 | 1983-01-26 | Thermocouple input terminal housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP852383U JPS59115694U (en) | 1983-01-26 | 1983-01-26 | Thermocouple input terminal housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59115694U JPS59115694U (en) | 1984-08-04 |
| JPH025577Y2 true JPH025577Y2 (en) | 1990-02-09 |
Family
ID=30140011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP852383U Granted JPS59115694U (en) | 1983-01-26 | 1983-01-26 | Thermocouple input terminal housing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59115694U (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6278685B2 (en) * | 2013-12-17 | 2018-02-14 | 株式会社日立製作所 | Elevator car control device |
| JP6210937B2 (en) * | 2014-06-11 | 2017-10-11 | 株式会社日立製作所 | Elevator equipment |
| JP6647337B2 (en) * | 2018-04-19 | 2020-02-14 | 三菱電機株式会社 | controller |
| JP7348810B2 (en) * | 2019-10-30 | 2023-09-21 | 新コスモス電機株式会社 | gas alarm |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5026069A (en) * | 1973-07-06 | 1975-03-18 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50143060U (en) * | 1974-05-14 | 1975-11-26 | ||
| JPS633198Y2 (en) * | 1981-04-10 | 1988-01-26 |
-
1983
- 1983-01-26 JP JP852383U patent/JPS59115694U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5026069A (en) * | 1973-07-06 | 1975-03-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59115694U (en) | 1984-08-04 |
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