JPS6116503Y2 - - Google Patents
Info
- Publication number
- JPS6116503Y2 JPS6116503Y2 JP12285580U JP12285580U JPS6116503Y2 JP S6116503 Y2 JPS6116503 Y2 JP S6116503Y2 JP 12285580 U JP12285580 U JP 12285580U JP 12285580 U JP12285580 U JP 12285580U JP S6116503 Y2 JPS6116503 Y2 JP S6116503Y2
- Authority
- JP
- Japan
- Prior art keywords
- terminal board
- heat
- temperature
- terminal
- heat pipe
- 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
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Description
【考案の詳細な説明】
この考案は計器等の端子板構造に関するもので
ある。[Detailed description of the invention] This invention relates to a terminal plate structure for meters and the like.
例えば温度等の測定に際し、熱電対が多く用い
られているが、熱電対は測温側の温接点と基準側
の冷接点との温度差により測定しているため、常
に冷接点を一定の０℃の温度に保つ必要がある。
しかしながら、多くは計器等の端子板を冷接点に
用い、この端子板の温度を検出素子により検出し
て温度補償を行つている。そして、特に多箇所記
録計やデータ・ロガー等の多数箇所の温度測定の
場合、箇所毎の測定誤差を無くすため端子板全体
の温度を高精度に均一に保つ必要がある。更に、
計器等の内部にトランス等の発熱源が存在してい
る場合、この発熱源のため端子板温度は、いつそ
う不均一となり、温度分布を生じてしまう不都合
もあつた。 For example, thermocouples are often used to measure temperature, etc., but since thermocouples measure by the temperature difference between the hot junction on the temperature measuring side and the cold junction on the reference side, the cold junction is always kept at a constant 0. It is necessary to keep the temperature at ℃.
However, in many cases, a terminal board of a meter or the like is used as a cold junction, and the temperature of this terminal board is detected by a detection element to perform temperature compensation. Particularly in the case of temperature measurement at multiple locations using a multi-location recorder, data logger, etc., it is necessary to keep the temperature of the entire terminal board uniform with high precision in order to eliminate measurement errors at each location. Furthermore,
When a heat source such as a transformer is present inside a meter or the like, the temperature of the terminal board becomes uneven due to this heat source, resulting in an inconvenient temperature distribution.
この発明の目的は、以上の点に鑑み、内部発熱
がある計器においても、温度分布の少ない計器等
の端子板構造を提供することである。 In view of the above points, an object of the present invention is to provide a terminal plate structure for a meter, etc., which has a small temperature distribution even in a meter that generates internal heat.
第１図は、この考案の一実施例を示す構成説明
図である。図において１は計器等の筐体、２は筐
体１の一端部に設けられた端子板、３は端子板２
に設けられ熱電対線または補償導線４等が端子ネ
ジにより接続される端子、５は端子板２の背面に
設けられた端子板カバー、６は端子板カバー５に
接触して設けられたヒートパイプ、７はヒートパ
イプ６の一端に接触して設けられた熱伝導ブロツ
ク、８は熱伝導ブロツク７を介してヒートパイプ
６に熱的に接続し、端子板８の外方に突出した放
熱フイン、９は筐体１の内部に存在するトランス
等の発熱源である。又、端子板には図示しない
が、端子板２の温度を検出して温度補償を行う検
出素子が設けられている。 FIG. 1 is a configuration explanatory diagram showing an embodiment of this invention. In the figure, 1 is a housing for a meter, etc., 2 is a terminal board provided at one end of the housing 1, and 3 is a terminal board 2.
5 is a terminal board cover provided on the back of the terminal board 2, and 6 is a heat pipe provided in contact with the terminal board cover 5. , 7 is a heat conduction block provided in contact with one end of the heat pipe 6; 8 is a heat dissipation fin that is thermally connected to the heat pipe 6 via the heat conduction block 7 and protrudes outward from the terminal board 8; Reference numeral 9 denotes a heat generating source such as a transformer existing inside the housing 1. Further, although not shown in the drawings, the terminal board is provided with a detection element that detects the temperature of the terminal board 2 and performs temperature compensation.
つまり、発熱源９より放熱される熱は、端子板
カバー５およびヒートパイプ６で受熱され、この
ヒートパイプ６の内部の空洞内に設けられた作動
液は急速に蒸発して放熱フイン８の方向に熱を移
動させ、この熱は熱伝導ブロツク７、放熱フイン
８により外部に放熱される。このヒートパイプ６
の熱伝導率はセラミツクスの400倍、銅の20倍と
極めて高いので端子板２に発熱源９の熱は伝わら
ず。端子板２の温度は高精度に等温となる。 In other words, the heat radiated from the heat generation source 9 is received by the terminal board cover 5 and the heat pipe 6, and the working fluid provided in the cavity inside the heat pipe 6 rapidly evaporates in the direction of the heat radiation fin 8. This heat is radiated to the outside by the heat conduction block 7 and the heat radiation fins 8. This heat pipe 6
Since the thermal conductivity of is extremely high, 400 times that of ceramics and 20 times that of copper, the heat from the heat source 9 is not transferred to the terminal board 2. The temperature of the terminal board 2 becomes isothermal with high accuracy.
以上述べたように、この考案は、端子板カバー
にヒートパイプを設けるようにした計器等の端子
板構造である。 As described above, this invention is a terminal board structure for a meter or the like in which a heat pipe is provided on the terminal board cover.
従つて、計器等の筐体内部に発熱源があつたと
しても、すべて端子板カバー、ヒートパイプを通
じ放熱フインにより外部に放熱されるので、端子
板に直接熱が伝わることがなく、端子板の温度分
布を生じることがなく、高精度に均熱となる。特
に多数の熱電対による高精度温度測定に好適であ
る。 Therefore, even if there is a heat source inside the housing of an instrument, etc., all of the heat is radiated to the outside by the heat dissipation fins through the terminal board cover and heat pipe, so the heat is not directly transmitted to the terminal board, and the terminal board There is no temperature distribution and uniform heating is achieved with high precision. It is particularly suitable for high-precision temperature measurement using a large number of thermocouples.
第１図は、この考案の一実施例を示す構成説明
図である。
１……計器等の筐体、２……端子板、３……端
子、４……熱電対線、５……端子板カバー、６…
…ヒートパイプ、７……熱伝導ブロツク、８……
放熱フイン、９……発熱源。
FIG. 1 is a configuration explanatory diagram showing an embodiment of this invention. 1... Housing of instrument etc., 2... Terminal board, 3... Terminal, 4... Thermocouple wire, 5... Terminal board cover, 6...
...Heat pipe, 7...Heat conduction block, 8...
Heat dissipation fin, 9...Heat generation source.
Claims (1)
体の一端に設けられた端子板と、この端子板に設
けられ熱電対線等が接続される端子と、前記端子
板の背面に設けられた端子板カバーと、この端子
板カバーに接触して設けられたヒートパイプと、
このヒートパイプの一端に設けられた放熱フイン
とを備えたことを特徴とする計器等の端子板構
造。 A casing of a meter or the like having a heat source inside, a terminal board provided at one end of this casing, a terminal provided on this terminal board to which a thermocouple wire etc. is connected, and a terminal provided on the back side of the terminal board. a terminal board cover, a heat pipe provided in contact with the terminal board cover,
A terminal board structure for an instrument, etc., characterized by comprising a heat dissipation fin provided at one end of the heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12285580U JPS6116503Y2 (en) | 1980-08-29 | 1980-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12285580U JPS6116503Y2 (en) | 1980-08-29 | 1980-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5746836U JPS5746836U (en) | 1982-03-16 |
| JPS6116503Y2 true JPS6116503Y2 (en) | 1986-05-21 |
Family
ID=29483451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12285580U Expired JPS6116503Y2 (en) | 1980-08-29 | 1980-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6116503Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6278140U (en) * | 1985-11-01 | 1987-05-19 |
-
1980
- 1980-08-29 JP JP12285580U patent/JPS6116503Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5746836U (en) | 1982-03-16 |
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