JPS58123707A - Heat-sensitive inductor - Google Patents
Heat-sensitive inductorInfo
- Publication number
- JPS58123707A JPS58123707A JP539182A JP539182A JPS58123707A JP S58123707 A JPS58123707 A JP S58123707A JP 539182 A JP539182 A JP 539182A JP 539182 A JP539182 A JP 539182A JP S58123707 A JPS58123707 A JP S58123707A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- bimetal
- heat
- coil
- gap
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/008—Details of transformers or inductances, in general with temperature compensation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は、感熱型インダクターに関するものである。[Detailed description of the invention] The present invention relates to a heat-sensitive inductor.
現在、感熱材料として磁性材料が使用されているが、こ
れは磁性材料が有する次の性質等を応用するものである
。Currently, magnetic materials are used as heat-sensitive materials, and this is done by applying the following properties of magnetic materials.
（１）透磁率が温度の上昇にともない高くなり、キュリ
一温度直下では最大値を示し、さらに温度を上昇すると
急激に低下する。(1) Magnetic permeability increases as the temperature rises, reaches a maximum value just below the Curie temperature, and rapidly decreases as the temperature rises further.
（２）飽和磁束密度が１度上昇とともに漸減し、キュリ
一温度以上では零になる。(2) The saturation magnetic flux density gradually decreases as the temperature rises by 1 degree, and becomes zero above 1 degree Curie temperature.
しかし、上記磁性材料の透磁率、飽和磁束密度等の温度
依存性を利用した感熱素子は、敏感とはいえない欠点が
ある。However, the heat-sensitive element that utilizes the temperature dependence of the magnetic permeability, saturation magnetic flux density, etc. of the magnetic material has the drawback that it is not sensitive.
本発明は、このような欠点を解消したもので、感熱度の
よい温度検出素子として使用できる感熱型インダクター
の提供を、その目的とするものである。An object of the present invention is to provide a heat-sensitive inductor that overcomes these drawbacks and can be used as a temperature detection element with good heat sensitivity.
本発明の特徴は、温度係数の興なる磁性体を組合せて環
状磁性バイメタルを形成し、該環状磁性バイメタルにギ
ャップおよびインダクタンスコイルを設けた感熱型イン
ダクターにある。A feature of the present invention is a heat-sensitive inductor in which a ring-shaped magnetic bimetal is formed by combining magnetic materials with different temperature coefficients, and a gap and an inductance coil are provided on the ring-shaped magnetic bimetal.
以下、本発明の実施例を、図面に基づいて説明する。Embodiments of the present invention will be described below based on the drawings.
ここで、図は、一実施例に係る感熱型インダクターの説
明図であ委、つ
図で、１は、環状磁性バイメタルで、２は、環状磁性バ
イメタル１の外側を形成するｒＩＡ度係数（α）の小な
る磁性体、３は、環状磁性バイメタル１の内側を形成す
る温度係数の大なる磁性体である。Here, the figure is an explanatory diagram of a heat-sensitive inductor according to one embodiment. In the figure, 1 is an annular magnetic bimetal, and 2 is an rIA degree coefficient (α 3 is a magnetic material with a large temperature coefficient that forms the inside of the annular magnetic bimetal 1.
４は、環状磁性バイメタル１に設けられたギャップであ
り、５は、環状磁性バイメタル１に轡付けられたコイル
でインダクタンス素子を構成する。4 is a gap provided in the annular magnetic bimetal 1, and 5 is a coil attached to the annular magnetic bimetal 1 to constitute an inductance element.
上記構成において、環状磁性バイメタル１が熱温を感知
すると、環状磁性バイメタル１を構成する磁性体２と磁
性体３は、濃度係数が興なるため、熱膨張により彎曲し
てギャップ４の間隔すを縮減または短絡させる。したが
って、環状磁性バイメタル１の透磁率が変化するので、
゛コイル５のインダクタンスが変化する。In the above configuration, when the annular magnetic bimetal 1 senses thermal temperature, the magnetic bodies 2 and 3 constituting the annular magnetic bimetal 1 will curve due to thermal expansion and reduce the distance between the gaps 4 due to the increase in concentration coefficient. Reduce or short circuit. Therefore, since the magnetic permeability of the annular magnetic bimetal 1 changes,
゛The inductance of the coil 5 changes.
このインダクタンス変化による出力変化を測定または応
用することにより、感熱または濃度変化状態を敏感に検
知することができるものである。By measuring or applying the output change due to this inductance change, heat sensitivity or concentration change state can be sensitively detected.
以上説明したように、本実施□例に係る感熱型インダク
ターは、濃度係数が大なる磁性体２の内側に温度係数が
小なる磁性体３を形成した環状磁性バイメタル１にギャ
ップ４を設け、コイル５を響付けることにより、熱温ま
た濃度の変化をコイル５のインダクタンス変化に変換し
、敏感に検知することが可能である。As explained above, in the heat-sensitive inductor according to this example, a gap 4 is provided in the annular magnetic bimetal 1 in which a magnetic material 3 with a small temperature coefficient is formed inside a magnetic material 2 with a large concentration coefficient, and 5, changes in thermal temperature or concentration can be converted into changes in the inductance of the coil 5, and can be sensitively detected.
なお、上記実施例においては、環状磁性バイメタル１を
構成する磁性体２に温度係数の大なる磁性体を、磁性体
３に温度係数の小なる磁性体を使用したが、磁性体２に
温度係数の小なる磁性体を、磁性体３に濃度係数の大な
る磁性体を使用してもよいことは、いうまでもない。In the above embodiment, a magnetic material with a large temperature coefficient was used as the magnetic material 2 constituting the annular magnetic bimetal 1, and a magnetic material with a small temperature coefficient was used as the magnetic material 3. Needless to say, a magnetic material with a small concentration coefficient may be used as the magnetic material 3, and a magnetic material with a large concentration coefficient may be used as the magnetic material 3.
また、磁性体２及び磁性体３のうち片方を、他方の磁性
体と濃度係数の興なる非磁性体、例えば鉄と銅との合金
などとしてもよく、その作用、効果は、上記実施例と同
様であり、適用できることは、明らかである。Further, one of the magnetic bodies 2 and 3 may be made of a non-magnetic substance having a concentration coefficient similar to that of the other magnetic substance, such as an alloy of iron and copper. It is obvious that they are similar and can be applied.
以上述べたように、本発明は、総合して、感度のよい感
熱素子として使用できる感熱型インプラ’：ｌ、：
ターを所期できるものであって、実用的効果に優れた発
明ということができる。As described above, the present invention can be considered as a heat-sensitive implant that can be used as a highly sensitive heat-sensitive element, and has excellent practical effects. can.
図は、本発明の一実施例に係る感熱型インダクターの説
明図である。
１・・・環状磁性バイメタル、２．３・・・磁性体、４
・・・ギャップ、５・・・コイル。
特許出願人The figure is an explanatory diagram of a heat-sensitive inductor according to an embodiment of the present invention. 1... Annular magnetic bimetal, 2.3... Magnetic material, 4
...Gap, 5...Coil. patent applicant
Claims (1)
メタルを形成し、該環状磁性バイメタルにギャップおよ
びインダクタンスコイルを設けたことを特徴とする感熱
型インダクター。 ＜２）温度係数の異なる磁性体を組合せた環状磁性バイ
メタルの一方が非磁性体であることを特徴とする特許請
求の範囲第１項記載の感熱型インダクター。(1) A heat-sensitive inductor characterized in that a ring-shaped magnetic bimetal is formed by combining magnetic materials with different concentration coefficients, and a gap and an inductance coil are provided on the ring-shaped magnetic bimetal. <2) The heat-sensitive inductor according to claim 1, wherein one of the annular magnetic bimetals made of a combination of magnetic materials having different temperature coefficients is a non-magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP539182A JPS58123707A (en) | 1982-01-19 | 1982-01-19 | Heat-sensitive inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP539182A JPS58123707A (en) | 1982-01-19 | 1982-01-19 | Heat-sensitive inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58123707A true JPS58123707A (en) | 1983-07-23 |
Family
ID=11609856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP539182A Pending JPS58123707A (en) | 1982-01-19 | 1982-01-19 | Heat-sensitive inductor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58123707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012005029A (en) * | 2010-06-21 | 2012-01-05 | Toyota Motor Corp | Magnetic body for filter and communication connector |
-
1982
- 1982-01-19 JP JP539182A patent/JPS58123707A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012005029A (en) * | 2010-06-21 | 2012-01-05 | Toyota Motor Corp | Magnetic body for filter and communication connector |
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