JPS63101720A - Temperature detector - Google Patents
Temperature detectorInfo
- Publication number
- JPS63101720A JPS63101720A JP24772386A JP24772386A JPS63101720A JP S63101720 A JPS63101720 A JP S63101720A JP 24772386 A JP24772386 A JP 24772386A JP 24772386 A JP24772386 A JP 24772386A JP S63101720 A JPS63101720 A JP S63101720A
- Authority
- JP
- Japan
- Prior art keywords
- thermistors
- metal plate
- sides
- leads
- thermistor
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- 238000005476 soldering Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 206010057040 Temperature intolerance Diseases 0.000 claims 1
- 230000008543 heat sensitivity Effects 0.000 claims 1
- 238000011896 sensitive detection Methods 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は水、オイル等の液の温度を検知する温度検出器
に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a temperature detector for detecting the temperature of liquids such as water and oil.
従来の技術
従来２個のサーミスタを用いて温度を検出する場合、第
３図に示すように金属ケース２６の内部にサーミスタ２
８ａを金属ケース２６の底部に半田２９を介して電気的
接続を図り、絶縁筒２６で金属ケース２６と絶縁させて
サーミスタ２８を入れ、外部端子２１と接続を図る為、
接触板２７＆、導電性バネ２７、密閉を保つゴムパツキ
ン２４を入れ上部開口を有する金属ケース２６の内部に
収納し、外部端子２１を前記金属ケース２６に乗せて内
側にカシメる。更に密閉性を高める為樹脂２２を封入し
構成されていた。尚、２３は端子板である。2. Description of the Related Art Conventionally, when detecting temperature using two thermistors, two thermistors are placed inside a metal case 26 as shown in FIG.
8a is electrically connected to the bottom of the metal case 26 via solder 29, insulated from the metal case 26 with the insulating tube 26, and the thermistor 28 is inserted to connect it to the external terminal 21.
A contact plate 27&, a conductive spring 27, and a rubber gasket 24 for keeping the airtightness are placed inside a metal case 26 having an opening at the top, and the external terminal 21 is placed on the metal case 26 and crimped inward. Furthermore, in order to improve sealing performance, resin 22 was sealed. In addition, 23 is a terminal board.
発明が解決しようとする問題点
このような従来の構成では２個のサーミスタを使って温
度を検出するので、構成する部品が多い為価格が高く、
且組立時欠品が発生し易い。Problems to be Solved by the Invention This conventional configuration uses two thermistors to detect temperature, so it is expensive due to the large number of components.
Moreover, it is easy to run out of parts during assembly.
更に耐久性において半田２９を媒体として、サーミスタ
２８．２８＆、金属ケース２６０３つの物質を接続しよ
うとすると各々の熱膨張係数が異なる為、接続後実装さ
れた時に特に高低温サイクルを加えられた時、前記３者
間にひずみが発生し機能しないという致命的な問題があ
った。そこで、本発明はこのような問題点を解決し、高
低温サイクル等の悪条件下で使用しても機能に支障を与
えないようにすることを目的とするものである。Furthermore, in terms of durability, when trying to connect three materials using solder 29 as a medium, thermistor 28, 28 & metal case 260, each material has a different coefficient of thermal expansion, so when mounted after connection, especially when subjected to high and low temperature cycles, There was a fatal problem in that distortion occurred between the three components and the device did not function properly. SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve these problems and to prevent the function from being impaired even when used under adverse conditions such as high-temperature cycles.
問題点を解決するための手段 このような問題点を解決する為に本発明は半田。Means to solve problems In order to solve these problems, the present invention uses solder.
サーミスタ、金属板の３者の接続を樹脂接着剤を用いて
固定させたものである。The connection between the thermistor and the metal plate is fixed using resin adhesive.
作用
この構成により熱膨張のひずみによる半田剥離による機
能障害を減少することになる。Effect: This configuration reduces functional failure due to solder peeling due to thermal expansion strain.
実施例
第１図ａ、ｂは本発明の一実施例による２素子サ一ミス
タ式温度検出器感熱部の平面図、断面図であり、長方形
に切断加工された金属板１１に２個のサーミスタ１３の
各々両側から半田付けされたリード線１２を取り出し、
金属板１１と２個のサーミスタ１３０間に樹脂接着剤１
４を塗布接着させる。しかるのち２個のサーミスタ１３
から引出されたリード線１２を金属板１１に半田付又は
溶接して電気的接続を計り、残る２個のサーミスタの片
側には外部端子へ接続するリード線１７を設ける。Embodiment FIGS. 1a and 1b are a plan view and a sectional view of a heat-sensitive part of a two-element thermistor type temperature sensor according to an embodiment of the present invention, in which two thermistors are mounted on a metal plate 11 cut into a rectangular shape. 13, take out the soldered lead wires 12 from both sides,
Resin adhesive 1 between metal plate 11 and two thermistors 130
4. Apply and adhere. Then two thermistors 13
Electrical connections are made by soldering or welding lead wires 12 drawn out from the metal plate 11 to the metal plate 11, and lead wires 17 connected to external terminals are provided on one side of the remaining two thermistors.
尚、一実施例において金属板１１の両側に２個のサーミ
スタを各々固定しているが、一方向へ２個のサーミスタ
を並べても良い。In one embodiment, two thermistors are fixed on both sides of the metal plate 11, but two thermistors may be arranged in one direction.
第２図は第１図に示す実施例素子をケースに組み込んだ
断面図を示すものである。尚、同図において、２１は外
部端子、２２は封入樹脂、２３は端子板、２６は金属ケ
ースである。FIG. 2 shows a sectional view of the example element shown in FIG. 1 assembled into a case. In the figure, 21 is an external terminal, 22 is an encapsulating resin, 23 is a terminal plate, and 26 is a metal case.
発明の効果
以上のように本発明によれば金属ケースに直接半田付す
る場合に比べ、樹脂接着剤を媒体とすることで高低温サ
イクルなどの熱膨張、収縮のひずみを小さくして大巾な
耐久性能の向上効果が得られ、且サーミスタを固定する
為の構成部品も少なくて済み、耐久性が高く、安価で量
産性の高い、温度検出器を提供出来る効果が得られる。Effects of the Invention As described above, according to the present invention, compared to the case of direct soldering to a metal case, by using a resin adhesive as a medium, the distortion due to thermal expansion and contraction due to high and low temperature cycles is reduced, and a large width can be achieved. The effect of improving durability performance can be obtained, the number of components for fixing the thermistor can be reduced, and the effect of providing a temperature detector that is highly durable, inexpensive, and highly mass-producible can be obtained.
第１図＆、ｂは本発明の一実施例による温度検出器感熱
部の平面図、断面図、第２図は第１図の温度検出器感熱
部を組込んだ２素子サ一ミスタ式温度検出ユニット完成
品断面図、第３図は従来の２素子サ一ミスタ式温度検出
ユニット完成品断面図である。
１１・・・・・・金属板、１２・・・・・リード線、１
３・・・・・・サーミスタ、１４・・・・・・樹脂接着
剤、１６・・・・・・半田、１７・・・・・・外部引出
しリード線、２１・・・・・・外部端子、２２・・・・
・封入樹脂、２３・・・・・・端子板、２４・・・・・
・ゴムワ・ノシャ、２６・・・・・・絶縁筒、２６・・
・・・・金属ケース、２７・・・・・・導電性バネ、２
７ａ・・・・・・接触板、２８・・・・・ワ・ンシャ型
サーミスタ、２８！Ｌ・・・・・・ディスク型サーミス
タ、２９・・・・・・半田。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名１１
− 金 、＆ 扱
１２−−リード線
第１図
２／−一外部塙子
２２− 封 入 ４査１月ｂ
２３− 堝 子 駅
？６−金属ケース
第２図
第３図Figures 1 and b are a plan view and a cross-sectional view of a temperature sensor heat-sensitive section according to an embodiment of the present invention, and Figure 2 is a two-element thermosister type temperature sensor incorporating the temperature sensor heat-sensitive section of Figure 1. FIG. 3 is a sectional view of a completed conventional two-element resistor type temperature detection unit. 11...Metal plate, 12...Lead wire, 1
3...Thermistor, 14...Resin adhesive, 16...Solder, 17...External lead wire, 21...External terminal , 22...
・Encapsulating resin, 23...Terminal board, 24...
・Gomuwa Nosha, 26...Insulation tube, 26...
...Metal case, 27... Conductive spring, 2
7a... Contact plate, 28... Washer type thermistor, 28! L...Disk type thermistor, 29...Solder. Name of agent: Patent attorney Toshio Nakao and 1 other person11
- Gold, & Handling 12--Lead wire Fig. 1 2/-First outer bulge 22- Enclosed 4th inspection January b 23- Sako station? 6-Metal case Fig. 2 Fig. 3
Claims (1)
面をリード線で前記金属板に溶接又は半田で電気的接続
し、前記金属板と２個のサーミスタを樹脂接着剤で固定
し、前記サーミスタの他方面に外部端子に接続させる２
本のリード線を引き出して感熱検出部を構成し、この感
熱検出部を上部開口を有する金属ケース内に密閉圧入し
収納してなる温度検出器。One side of two thermistors having electrodes on both sides of a metal plate is electrically connected to the metal plate by welding or soldering with a lead wire, and the metal plate and the two thermistors are fixed with a resin adhesive, Connecting to an external terminal on the other side of the thermistor 2
A temperature sensor in which a lead wire from a book is drawn out to form a heat-sensitive detection section, and this heat-sensitivity detection section is hermetically press-fitted and housed in a metal case with an opening at the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24772386A JPS63101720A (en) | 1986-10-17 | 1986-10-17 | Temperature detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24772386A JPS63101720A (en) | 1986-10-17 | 1986-10-17 | Temperature detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63101720A true JPS63101720A (en) | 1988-05-06 |
Family
ID=17167713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24772386A Pending JPS63101720A (en) | 1986-10-17 | 1986-10-17 | Temperature detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63101720A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6880969B2 (en) * | 2001-03-23 | 2005-04-19 | Denso Corporation | Temperature sensor and production method thereof |
-
1986
- 1986-10-17 JP JP24772386A patent/JPS63101720A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6880969B2 (en) * | 2001-03-23 | 2005-04-19 | Denso Corporation | Temperature sensor and production method thereof |
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