JP2507003B2 - Temperature sensor - Google Patents
Temperature sensorInfo
- Publication number
- JP2507003B2 JP2507003B2 JP63291192A JP29119288A JP2507003B2 JP 2507003 B2 JP2507003 B2 JP 2507003B2 JP 63291192 A JP63291192 A JP 63291192A JP 29119288 A JP29119288 A JP 29119288A JP 2507003 B2 JP2507003 B2 JP 2507003B2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- spring
- guide
- sensitive
- relay
- 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 - Lifetime
Links
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、加熱機器の加熱能力を切り換える方法とし
て、加熱の断続を行うことにより実現している加熱機器
に関するものである。Description: TECHNICAL FIELD The present invention relates to a heating device realized by performing intermittent heating as a method of switching the heating capacity of the heating device.
従来の技術 従来この種の温度センサは第４図〜第８図に示すよう
に調理容器と接触する感熱部１は温度検出素子２を備え
た円板状のヘッド３に円筒状のケース４を固定してい
る。この感熱部１のケース４には、上端にヘッド３と接
合するフランジ５と下端に複数個の内方に段押しによる
引掛部６を有している。７はガイドであり上端に張出部
８と張出部８より下方で両側への突出部９から成る。ガ
イド７の下方の突出部９には、取付板10を固定している
ためこの温度センサをガスコンロ等の調理器具に容易に
取り付けることができる。感熱部１のヘッド３の下面に
は、温度検出素子２が取り付けられている。温度検出素
子２が取り付けられている。温度検出素子２は、中継部
11を介して引き出しリード線12に接続され温度信号とし
て送られる。ここで、感熱部１は、ガイド７上端の張出
部８と間隙13を有してスプリング14を介して上下動可動
に支持される。このとき、感熱部１とガイド７は、感熱
部１のケース４下端の複数個の内方への段押しによる引
っ掛け部６とガイド７の張出部８より下方の両側への突
出部９と勘合させて取り付けられる。感熱部１とガイド
７が弾性保持されたときのケース４とガイド７の張出部
８の間隙13をケース４の引っ掛け部６とガイド７の間隙
15とケース４とガイド７の突出部９の間隙16とは略同じ
小間隙にて形成されている。なお、ケース４とガイド７
は、薄板によるプレス加工あるいは、薄肉製のパイプを
加工して容易に製作できる。上記構成において、感熱部
１のケース４下端の引っ掛け部６は、ガイド７の張出部
８とで抜け止めをし、さらに、ガイド７の突出部９とで
回り止めを行い、感熱部１を確実に弾性保持するととも
に、感熱部１をねじることが不可能なため引き出しリー
ド線12のねじりによる断線トラブルも生じない。また、
感熱部１とガイド７はスプリング14で弾性保持され、そ
れぞれの小間隙13、15、16によりある範囲内で感熱部１
が自由に首振り可能となり従って、調理容器を傾けた
り、滑らしたりしても常に良好な接触を維持し温度を正
確に検出するようになっていた。（例えば、特開昭60-2
35030号公報） 発明が解決しようとする課題 しかしながら容器のような構成では、スプリング14の
全体が疎巻きであり、感熱部１のヘッド３の上下動変位
はヘッド３がガイド７の張出部８に当たるまで変位でき
る。このようにヘッド３の上下動変位が大きいために、
温度検出素子２から引き出しリード線12へ温度信号を中
継する中継部11の金属部がガイド７の内面に接触するこ
とがあるこのガイドは高温雰囲気（例えばてんぷら油の
180度制御のとき）で使用されるため金属材料で構成さ
れている。つまり、中継部11が金属で作られたガイド７
の張出部８に触れることにより、温度検出素子２からの
温度信号が引き出しリード線へ伝えられないことにな
る。そのため正常な温度検出をしていない状態で加熱制
御を行うことになるという課題を有していた。本発明は
このような従来の課題を解消するものであり、感熱部の
上下動変位が行われる範囲のなかで中継部のような温度
信号を伝達する個所が絶縁物を介さないで他の金属部に
触れることを防止することを目的とする。2. Description of the Related Art Conventionally, in this type of temperature sensor, as shown in FIGS. 4 to 8, the heat-sensitive part 1 that comes into contact with the cooking container has a disk-shaped head 3 provided with a temperature detecting element 2 and a cylindrical case 4 attached thereto. It is fixed. The case 4 of the heat-sensitive portion 1 has a flange 5 that is joined to the head 3 at the upper end and a plurality of inwardly hooked portions 6 that are pushed inward at the lower end. Reference numeral 7 denotes a guide, which includes an overhanging portion 8 at the upper end and projecting portions 9 on both sides below the overhanging portion 8. Since the mounting plate 10 is fixed to the protruding portion 9 below the guide 7, this temperature sensor can be easily attached to a cooking utensil such as a gas stove. A temperature detecting element 2 is attached to the lower surface of the head 3 of the heat sensitive unit 1. The temperature detecting element 2 is attached. The temperature detecting element 2 is a relay unit.
It is connected to the lead wire 12 via 11 and sent as a temperature signal. Here, the heat sensitive portion 1 is supported by a protruding portion 8 at the upper end of the guide 7 and a gap 13 so as to be vertically movable via a spring 14. At this time, the heat-sensitive part 1 and the guide 7 are provided with a hooking part 6 and a projecting part 9 on both sides below the projecting part 8 of the guide 7 by a plurality of inward steps pushing the lower end of the case 4 of the heat-sensitive part 1. Can be fitted and attached. When the heat-sensitive part 1 and the guide 7 are elastically held, the gap 13 between the case 4 and the overhang portion 8 of the guide 7 is equal to the gap between the hook portion 6 of the case 4 and the guide 7.
The small gap 15 between the case 15, the case 4 and the protruding portion 9 of the guide 7 is substantially the same. In addition, case 4 and guide 7
Can be easily manufactured by pressing a thin plate or processing a thin-walled pipe. In the above configuration, the hooking portion 6 at the lower end of the case 4 of the heat sensitive portion 1 prevents the heat sensitive portion 1 from coming off with the overhanging portion 8 of the guide 7, and further prevents the heat sensitive portion 1 from rotating with the protruding portion 9 of the guide 7. Since the elastic member is securely held elastically, and the heat-sensitive portion 1 cannot be twisted, the trouble of disconnection due to the twisting of the lead wire 12 does not occur. Also,
The heat-sensitive part 1 and the guide 7 are elastically held by the spring 14, and the heat-sensitive part 1 is within a certain range by the small gaps 13, 15, 16 respectively.
Therefore, even if the cooking container is tilted or slid, the good contact is always maintained and the temperature is accurately detected. (For example, JP-A-60-2
However, in the configuration like a container, the entire spring 14 is loosely wound, and the vertical displacement of the head 3 of the heat-sensing unit 1 causes the head 3 to overhang the guide portion 8 of the guide 7. It can be displaced until it hits. Since the vertical displacement of the head 3 is large in this way,
The metal part of the relay part 11 that relays the temperature signal from the temperature detection element 2 to the lead wire 12 may come into contact with the inner surface of the guide 7. This guide has a high temperature atmosphere (for example, tempura oil
It is composed of a metallic material because it is used in 180 degree control). In other words, the relay 7 has a guide 7 made of metal.
By touching the overhanging portion 8 of No. 2, the temperature signal from the temperature detecting element 2 cannot be transmitted to the lead wire. Therefore, there is a problem that heating control is performed in a state where normal temperature detection is not performed. The present invention solves such a conventional problem. In the range in which the vertical movement displacement of the heat-sensitive part is performed, a part such as a relay part that transmits a temperature signal does not involve an insulator, but another metal. The purpose is to prevent contact with parts.
課題を解決するための手段 上記課題を解決するために本発明の温度センサは、温
度検出素子と温度信号を中継接続するための中継手段と
しての中継部とを固定した感熱手段としてのヘッドの位
置変化を支えるためのスプリング手段としてのスプリン
グと、このスプリングを収納保持しスプリングの変形方
向を案内する保持手段としてのガイドの張出部とを備え
て、スプリングは一本のコイルバネで密巻き部と疎巻き
部を有する構成を備えたものである。Means for Solving the Problems In order to solve the above problems, the temperature sensor of the present invention has a head position as a heat-sensitive means that fixes a temperature detecting element and a relay section as a relay means for relay-connecting a temperature signal. A spring as a spring means for supporting the change, and a projecting portion of a guide as a holding means for accommodating and holding the spring and guiding the deformation direction of the spring are provided, and the spring is one coil spring and a tightly wound portion. It is provided with a structure having a loosely wound portion.
作用 本発明は上記した構成によって、感熱手段としてのヘ
ッドの全ての動作位置範囲にて中継接続部がガイドと張
出部との内面に触れることがなくなるのである。Action The present invention has the above-described configuration, so that the relay connection portion does not touch the inner surface of the guide and the overhang portion in the entire operating position range of the head as the heat-sensitive means.
実施例 以下、本発明の実施例を添付図面に基づいて説明す
る。第１図〜第３図において構成品名と番号は第４図〜
第８図の従来例と同じである。第１図、第２図に示した
スプリング14は第３図に示したように密巻き部17と疎巻
き部18に分かれており密巻き部17がガイド７の張出部８
側に収納され、疎巻き部18は感熱部１としてのヘッド３
側に固定されている。そして、このスプリング14の疎巻
き部18を圧縮してスプリング14全体を密巻き構成にした
ときの圧縮高さ全長の寸法Ｌがヘッド３から中継部11の
露出部先端までの高さ寸法Ｍより長くなるように構成さ
れている。上記構成において、食品を加熱するときの鍋
容器の底面が感熱部１のヘッド３に接触し、ヘッド３お
よび中継部11が上下変位の最大変化をしてもヘッド３か
ら中継部11の露出部先端までの寸法がスプリング14を圧
縮したときの圧縮全長の寸法より短いことにより、中継
部11の先端がガイド７の張出部８の内面に触れようとし
ても、スプリング14全体の圧縮寸法Ｌがヘッド３の移動
範囲を制限するため、中継部11の先端部がガイド７の張
出部８の内面に接触することがなくなるという効果があ
る。Embodiment An embodiment of the present invention will be described below with reference to the accompanying drawings. 1 to 3 show component names and numbers in FIG. 4 to
This is the same as the conventional example of FIG. The spring 14 shown in FIGS. 1 and 2 is divided into a tightly wound portion 17 and a loosely wound portion 18 as shown in FIG. 3, and the tightly wound portion 17 is the protruding portion 8 of the guide 7.
Is housed on the side and the loosely wound portion 18 is the head 3 as the heat sensitive portion 1.
It is fixed to the side. When the loosely wound portion 18 of the spring 14 is compressed to make the entire spring 14 tightly wound, the dimension L of the total length of the compressed height is more than the height dimension M from the head 3 to the exposed end of the relay portion 11. It is configured to be long. In the above configuration, the bottom surface of the pan container when heating the food comes into contact with the head 3 of the heat-sensitive section 1, and even if the head 3 and the relay section 11 change in maximum vertical displacement, the exposed section of the relay section 11 from the head 3 Since the dimension up to the tip is shorter than the dimension of the total compression length when the spring 14 is compressed, even if the tip of the relay portion 11 tries to touch the inner surface of the overhanging portion 8 of the guide 7, the compression dimension L of the entire spring 14 is reduced. Since the moving range of the head 3 is limited, there is an effect that the tip of the relay portion 11 does not come into contact with the inner surface of the protruding portion 8 of the guide 7.
発明の効果 以上のように本発明の温度センサによれば次の効果が
得られる。本発明のスプリングは一本のコイルバネであ
り、密巻き部と疎巻き部を備えており密巻き部だけの弾
力部分と、疎巻き部分だけの弾力部分と更に疎巻き部と
密巻き部との合成された合成弾力部分とを備え３種類の
弾力部分を備えたコイルバネが実現されている。このた
め、感熱筒部の傾斜角度が疎巻き部分では大きく傾斜す
ることが可能であるが、密巻き部分に互いに合成弾力部
分では変形に必要な力が大きくなるため感熱筒部の傾斜
角度が抑制されることになり、中継部が金属性のガイド
の張出部に触れ難くなる効果がある。Effects of the Invention As described above, the temperature sensor of the present invention has the following effects. The spring of the present invention is a single coil spring, and includes a densely wound portion and an sparsely wound portion. The elastic portion of only the closely wound portion, the elastic portion of only the loosely wound portion, and the loosely wound portion and the closely wound portion. A coil spring having three kinds of elastic portions, which are composed of a combined elastic portion, is realized. For this reason, the inclination angle of the heat-sensitive tubular portion can be greatly inclined in the sparsely wound portion, but since the force required for deformation is large in the close-wound portion and the combined elastic portion, the inclination angle of the heat-sensitive tubular portion is suppressed. As a result, the relay portion has an effect of making it difficult for the relay portion to touch the protruding portion of the metal guide.
また、スプリング全体を圧縮して密巻きにしたときの
圧縮全長の寸法が感熱筒内の感熱部から中継部の露出部
分の先端までの高さ寸法より長くなるように、コイルバ
ネが密着巻き部と疎巻き部とにより構成されているの
で、中継部の先端金属部がガイドの張出部の内面に接触
することがなくなるという効果がある。Also, when the whole spring is compressed and tightly wound, the total length of compression is longer than the height from the heat-sensitive part in the heat-sensitive cylinder to the tip of the exposed part of the relay part. Since it is composed of the loosely wound portion, there is an effect that the tip metal portion of the relay portion does not come into contact with the inner surface of the protruding portion of the guide.
第１図は本発明の温度センサの一実施例による縦断面
図、第２図は同温度センサの一部切欠側面図、第３図は
同温度センサに使用されたスプリングの斜視図、第４図
は従来の温度センサの縦断面図、第５図は同温度センサ
の一部切欠側面図、第６図は同温度センサに使用された
スプリングの斜視図、第７図（ａ），（ｂ），（ｃ）は
それぞれ第１図と第４図のａ−ａ、ｂ−ｂ、ｃ−ｃ線で
断面した下面図、第８図（ａ）（ｂ）は感熱部のケース
とガイドの斜視図である。 １……感熱部、２……温度検出素子、３……ヘッド、４
……ケース、６……引っ掛け部、７……ガイド、８……
張出部、９……突出部、10……取付板、11……中継部、
12……リード線、13……間隙、14……スプリング、17…
…密巻き部、18……疎巻き部FIG. 1 is a vertical cross-sectional view of an embodiment of the temperature sensor of the present invention, FIG. 2 is a partially cutaway side view of the temperature sensor, and FIG. 3 is a perspective view of a spring used in the temperature sensor. FIG. 5 is a vertical sectional view of a conventional temperature sensor, FIG. 5 is a partially cutaway side view of the temperature sensor, FIG. 6 is a perspective view of a spring used in the temperature sensor, and FIGS. ) And (c) are bottom views taken along the lines aa, bb, and cc in FIGS. 1 and 4, respectively, and FIGS. 8 (a) and 8 (b) show the case and guide of the heat-sensitive part. It is a perspective view. 1 ... Heat sensitive part, 2 ... Temperature detecting element, 3 ... Head, 4
…… Case, 6 …… Hook, 7 …… Guide, 8 ……
Overhanging part, 9 ... Projection part, 10 ... Mounting plate, 11 ... Relay part,
12 ... Lead wire, 13 ... Gap, 14 ... Spring, 17 ...
… Closely wound part, 18 …… Sparsely wound part
Claims (1)
素子を備えた感熱手段と、前記温度検出素子からの引き
出し線を中継接続固定する接続手段と、前記感熱手段の
位置変化を支えるためのスプリング手段と、前記スプリ
ング手段を収納保持しスプリング手段の変形方向を案内
する保持手段とを備え、前記スプリング手段は一本のス
プリングに密着巻き部と疎巻き部を備えた構成とした温
度センサ。1. A heat-sensitive means having a temperature detecting element whose resistance value changes in accordance with a temperature change, a connecting means for relay-connecting and fixing a lead wire from the temperature detecting element, and a means for supporting a position change of the heat-sensitive means. A temperature sensor comprising a spring means and a holding means for accommodating and holding the spring means and guiding the deformation direction of the spring means, wherein the spring means comprises a single spring having a closely wound portion and a loosely wound portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63291192A JP2507003B2 (en) | 1988-11-17 | 1988-11-17 | Temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63291192A JP2507003B2 (en) | 1988-11-17 | 1988-11-17 | Temperature sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02136724A JPH02136724A (en) | 1990-05-25 |
| JP2507003B2 true JP2507003B2 (en) | 1996-06-12 |
Family
ID=17765650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63291192A Expired - Lifetime JP2507003B2 (en) | 1988-11-17 | 1988-11-17 | Temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2507003B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0650822A (en) * | 1992-07-31 | 1994-02-25 | Matsushita Electric Ind Co Ltd | Contact type thermistor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5772134U (en) * | 1980-10-17 | 1982-05-01 | ||
| JPS6357534U (en) * | 1986-10-01 | 1988-04-16 | ||
| JP2537833B2 (en) * | 1987-01-19 | 1996-09-25 | 松下電器産業株式会社 | Heat sensitive device |
-
1988
- 1988-11-17 JP JP63291192A patent/JP2507003B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02136724A (en) | 1990-05-25 |
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