JPH08139371A - Manufacture of series thermocouple - Google Patents

Abstract

PURPOSE: To facilitate simplification and automation of a manufacturing process and, further, facilitates mass-production of uniform and high quality products by a method wherein two types of different metal plates from which thermocouples are made are put together and their upper parts and lower parts are bonded to each other by welding, etc., to produce a plate element. CONSTITUTION: A copper plate and a constantan plate are put together and are mutually shifted horizontally by a distance corresponding to one square hole 3 or 4 so as to have the square hole 3 of the copper plate positioned between the square holes 4 of the constantan plate and have the square hole 4 of the constantan plate positioned between the square holes 3 of the copper plate. The upper edge parts and lower edge parts of both the plates are bonded to each other by seam welding, etc., to obtain a plate element composed of the integrated copper and constantan plates. Then the plate element is cut and upper linking parts 7b are folded forward along folding lines 13 of their centers and lower linking parts 8b are folded backwards along folding lines 14 of their centers to obtain a thermocouple integrated unit. With this constitution, a manufacturing process can be simplified and automated and, further, the mass-production of uniform and high quality products can be realized.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】この発明は、たとえば、ガス燃焼
機器の燃焼熱を利用して高い起電力を発生する直列型熱
電対の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a series type thermocouple which generates high electromotive force by utilizing the combustion heat of gas combustion equipment.

【０００２】[0002]

【従来の技術】たとえば、ガス燃焼機器のバーナの燃焼
熱を利用して電気負荷に電力を供給する直列型熱電対に
おいては、高い起電力を得るために複数個の熱電対素子
を集積したものが使用される。たとえば、１個の熱電対
素子では２０〜３０ｍＶの起電力が得られるにすぎない
ので、１．５Ｖの起電力を必要とする機器にあっては略
５０個の熱電対素子を集積した熱電対集積体を必要とす
る。2. Description of the Related Art For example, in a series type thermocouple for supplying electric power to an electric load by utilizing combustion heat of a burner of a gas combustion apparatus, a plurality of thermocouple elements are integrated in order to obtain high electromotive force. Is used. For example, one thermocouple element can only obtain an electromotive force of 20 to 30 mV, so in a device that requires an electromotive force of 1.5 V, a thermocouple in which approximately 50 thermocouple elements are integrated. Requires an aggregate.

【０００３】そこで、従来のこの種の直列型熱電対は、
たとえば、図２１及び図２２に示されているように、一
定寸法に切断された２種の異なる金属線材１′、２′の
１つ１つを端部で溶接９′、１０′してジグザグ状に連
結し、複数個の熱電対素子Ｃ′が連なる素子連結体Ｂ′
を作り、これを集積して温接点部ａ′と冷接点部ｂ′を
有する熱電対集積体を形成している。Therefore, the conventional series type thermocouple of this type is
For example, as shown in FIGS. 21 and 22, each of two different kinds of metal wire rods 1 ′, 2 ′ cut to a certain size are welded 9 ′, 10 ′ at the ends to form a zigzag pattern. Element coupling body B'in which a plurality of thermocouple elements C'are connected in a line
Are formed and integrated to form a thermocouple integrated body having a hot junction portion a ′ and a cold junction portion b ′.

【０００４】[0004]

【発明が解決しようとする課題】上記従来の技術は、複
数個の熱電対素子Ｃ′が連なる素子連結体Ｂ′を１つ１
つ作るものであるから、特に、その溶接加工に多大の手
間と高度の技術を要する。したがって、均一かつ良質な
製品の量産は難しく製品コストが著しく高くなるという
問題点があった。SUMMARY OF THE INVENTION In the above-mentioned conventional technique, one element connecting body B'in which a plurality of thermocouple elements C'is connected is provided one by one.
In particular, the welding process requires a great deal of time and a high degree of skill because it is a manufacturing process. Therefore, it is difficult to mass-produce uniform and high-quality products, resulting in a significant increase in product cost.

【０００５】この発明は、従来の技術の有する斯かる問
題点に鑑み、製造工程の簡略化及び自動化が可能なこと
と相まって均一かつ良質な製品が量産できる直列型熱電
対の製造方法の提供を目的としている。In view of the above problems of the prior art, the present invention provides a method for manufacturing a series type thermocouple capable of mass-producing uniform and high quality products in combination with the simplification and automation of the manufacturing process. Has an aim.

【０００６】[0006]

【課題を解決するための手段】上記課題を解決するこの
発明の第１の直列型熱電対の製造方法は、複数の素子片
を形成する２種の異なる金属板を重ね合せ、その上縁部
と下縁部を溶着して板状素子体を作成する第１工程と、
上記板状素子体の溶着部を切断して２種の異なる素子片
を組とする複数個の熱電対素子が連なる素子連結体を作
成する第２工程と、上記素子連結体の各々の熱電対素子
を折曲げ重合して熱電対集積体を作成する第３工程と、
からなることを特徴とする。According to a first method for manufacturing a series thermocouple of the present invention which solves the above-mentioned problems, two kinds of different metal plates forming a plurality of element pieces are overlapped with each other and an upper edge portion thereof is formed. And a first step of welding the lower edge portion to form a plate-shaped element body,
A second step of cutting the welded portion of the plate-shaped element body to form an element connection body in which a plurality of thermocouple elements, each of which is a set of two different element pieces, are connected, and each thermocouple of the element connection body. A third step of bending and polymerizing the elements to form a thermocouple assembly,
It is characterized by consisting of.

【０００７】上記課題を解決するこの発明の第２の直列
型熱電対の製造方法は、同一幅の複数の角穴と複数の素
子片を形成する角穴間とが並列状に切り抜き形成された
２種の異なる金属板を上記角穴１個分だけ横方向にずら
して重ね合せ、その上縁部と下縁部を溶接等により溶着
して２種の異なる金属板が一体に重合された板状素子体
を作成する第１工程と、上記板状素子体の上縁溶着部と
下縁溶着部を各々の角穴の一方の側縁に沿って切断分離
して２種の異なる素子片を組とする複数個の熱電対素子
が連なる素子連結体を作成する第２工程と、上記素子連
結体の各々の熱電対素子をその上部連結部と下部連結部
において上下反対方向に折曲げ重合して熱電対集積体を
作成する第３工程と、からなることを特徴とする。In the second method for manufacturing a series-type thermocouple of the present invention which solves the above-mentioned problems, a plurality of square holes having the same width and a plurality of square holes forming a plurality of element pieces are cut out in parallel. A plate in which two different metal plates are integrally polymerized by stacking two different metal plates by laterally shifting one square hole and welding the upper and lower edges by welding or the like. The first step of forming a strip-shaped element body, and cutting and separating the upper edge welded portion and the lower edge welded portion of the plate-shaped element body along one side edge of each square hole to form two different element pieces. The second step of forming an element connecting body in which a plurality of thermocouple elements forming a set are connected, and the thermocouple elements of each of the above-mentioned element connecting bodies are bent and polymerized at the upper connection portion and the lower connection portion in opposite directions. And a third step of producing a thermocouple integrated body.

【０００８】上記課題を解決するこの発明の第３の直列
型熱電対の製造方法は、複数の素子片が同一間隔を存し
て切り抜き形成された２種の異なる金属板を一方の金属
板を反転して重ね合せ、その上縁部と下縁部を溶接等に
より溶着して２種の異なる金属板が一体に重合された板
状素子体を作成する第１工程と、上記板状素子体の溶着
部を各々の素子片の一方の側縁に沿って切断分離して２
種の異なる素子片を組とする複数個の熱電対素子が連な
る素子連結体を作成する第２工程と、上記素子連結体の
各々の熱電対素子をその上部連結部と下部連結部におい
て上下反対方向に折曲げ重合して熱電対集積体を作成す
る第３工程と、からなることを特徴とする。According to a third method for manufacturing a series-type thermocouple of the present invention, which solves the above-mentioned problems, two kinds of different metal plates formed by cutting out a plurality of element pieces at the same interval are used. A first step of inverting and superimposing, and welding the upper edge portion and the lower edge portion by welding or the like to form a plate-shaped element body in which two different metal plates are integrally polymerized; and the plate-shaped element body 2. Cut the welded part of each element along one side edge of each element piece to separate
A second step of forming an element connection body in which a plurality of thermocouple elements, each of which is a set of different element pieces, are connected, and the thermocouple elements of each of the element connection bodies are turned upside down in the upper connection portion and the lower connection portion. And a third step of bending and polymerizing in a direction to form a thermocouple assembly.

【０００９】[0009]

【作用】上記構成を有するこの発明の第１の直列型熱電
対の製造方法は、第１工程で、複数の素子片を形成する
角穴が予め切り抜き形成された熱電対を構成する２種の
異なる金属板を重ね合せ、その上縁部と下縁部を溶接等
により溶着して板状素子体を作る。According to the first method for manufacturing a series-type thermocouple of the present invention having the above-described structure, in the first step, two types of thermocouples which are formed by cutting out the square holes forming a plurality of element pieces are formed. Different metal plates are superposed, and their upper and lower edges are welded together by welding or the like to form a plate element body.

【００１０】そして、第２工程では、上記第１工程で作
られた２種の異なる金属板が一体に重合された板状素子
体の溶着部を２種の異なる素子片が組を構成するように
切断分離して２種の異なる素子片を組とする複数個の熱
電対素子が連なる素子連結体を作る。Then, in the second step, the two different kinds of element pieces form a set at the welded portion of the plate-like element body in which the two different kinds of metal plates produced in the first step are integrally polymerized. A plurality of thermocouple elements, each of which is a set of two different element pieces, are cut and separated to form an element connection body.

【００１１】さらに、第３工程で、上記第２工程で作ら
れた素子連結体の各々の熱電対素子を２種の異なる素子
片の上部の連結部と２種の異なる素子片の下部の連結部
において折曲げ重合して熱電対集積体を作る。Further, in a third step, each thermocouple element of the element connecting body produced in the second step is connected to an upper connecting portion of two different element pieces and a lower connecting portion of two different element pieces. A thermocouple assembly is produced by bending and polymerizing in the section.

【００１２】以上の第１工程から第３工程の製造過程を
もって必要起電力（高い起電力）が発生する均一で、し
かも、良質の直列型熱電対が効率的に製造できるから、
量産が可能で製品コストの低廉が図りうる。Since the required electromotive force (high electromotive force) is uniformly generated in the manufacturing process of the above first to third steps, a good quality series type thermocouple can be efficiently manufactured.
Mass production is possible and the product cost can be reduced.

【００１３】上記構成を有するこの発明の第２の直列型
熱電対の製造方法は、第１工程で、必要起電力が発生す
る数の熱電対素子を作るための同一幅の複数の角穴と複
数の素子片を形成する角穴間とが並列状に切り抜き形成
された２種の異なる金属板を上記角穴１個分だけ横方向
にずらして前後に重ね合せ、その上縁部と下縁部を溶接
等により溶着して２種の異なる金属板を一体に重合した
板状素子体を作る。According to the second method for manufacturing a series-type thermocouple of the present invention having the above-mentioned structure, in the first step, a plurality of square holes having the same width for forming the thermocouple elements of the number required to generate the necessary electromotive force are formed. Two kinds of different metal plates, which are formed by cutting out in parallel with each other between the square holes forming a plurality of element pieces, are laterally shifted by one square hole and are overlapped in the front-rear direction, and the upper and lower edges thereof are formed. The parts are welded together by welding or the like to form a plate-shaped element body in which two different metal plates are integrally polymerized.

【００１４】そして、第２工程では、上記第１工程で作
られた板状素子体の上縁溶着部と下縁溶着部を各々の角
穴の一方の側縁に沿って、たとえば、上縁溶着部は角穴
の左側縁に沿って、また、下縁溶着部は角穴の右側縁に
沿って上下の溶着部を交互に切断分離し、必要起電力が
発生する数の２種の異なる素子片を組とする熱電対素子
が連なる素子連結体を作る。In the second step, the upper edge welded portion and the lower edge welded portion of the plate-shaped element body produced in the first step are provided along one side edge of each square hole, for example, the upper edge. The welded portion is cut along the left side edge of the square hole, and the lower edge welded portion is cut along the right side edge of the square hole to separate the upper and lower welded portions alternately. An element connecting body in which thermocouple elements each including an element piece are connected is made.

【００１５】さらに、第３工程で、上記第２工程で作ら
れた素子連結体の各々の熱電対素子をその上部の連結部
と下部の連結部の中心から上下交互に折曲げて、たとえ
ば、上部連結部は前方に、下部連結部は後方に折曲げて
２種の異なる金属板の素子片で形成される各々の熱電対
素子を重合集積して温接点部と冷接点部を有する熱電対
集積体を作る。Further, in the third step, the thermocouple elements of the element connecting body produced in the second step are alternately bent up and down from the centers of the upper connecting portion and the lower connecting portion, for example, The upper connecting part is bent forward and the lower connecting part is bent backward and each thermocouple element formed by two different kinds of metal plate element pieces is polymerized and integrated to form a thermocouple having a hot junction portion and a cold junction portion. Make an aggregate.

【００１６】以上の第１工程から第３工程の製造過程を
もって必要起電力（高い起電力）が発生する均一で、し
かも、良質の直列型熱電対が効率的に製造できるから、
量産が可能で製品コストの低廉が図りうる。Since the required electromotive force (high electromotive force) is uniformly generated in the manufacturing process of the above-mentioned first to third steps, and a good quality series type thermocouple can be efficiently manufactured,
Mass production is possible and the product cost can be reduced.

【００１７】上記構成を有するこの発明の第３の直列型
熱電対の製造方法は、第１工程で、必要起電力が発生す
る数の熱電対素子を作るための複数の素子片が同一間隔
を存して切り抜き形成された２種の異なる金属板を一方
の金属板を反転して重ね合せ、その上縁部と下縁部を溶
接等により溶着して２種の異なる金属板を一体に重合し
た板状素子体を作る。According to the third method for manufacturing a series thermocouple of the present invention having the above-mentioned structure, in the first step, a plurality of element pieces for producing thermocouple elements of the number that the necessary electromotive force is generated are arranged at the same intervals. Two different kinds of metal plates that are cut out and formed are stacked by inverting one metal plate and welding the upper edge and the lower edge by welding or the like to integrally polymerize the two different metal plates. Make a plate-shaped element body.

【００１８】そして、第２工程では、上記第１工程で作
られた板状素子体の溶着部を各々の素子片の一方の側縁
に沿って、たとえば、下縁溶着部を一方の素子片の右側
縁に沿って、また、他方の素子片の左側縁に沿って切断
分離し、必要起電力が発生する数の２種の異なる素子片
を組とする熱電対素子が上下の連結部で連なる素子連結
体を作る。Then, in the second step, the welded portion of the plate-like element body produced in the first step is provided along one side edge of each element piece, for example, the lower edge welded portion is provided on one element piece. Along the right side edge of the other element piece, and along the left side edge of the other element piece, the thermocouple element, which is a set of two different kinds of element pieces that generate the necessary electromotive force, is formed at the upper and lower connecting portions. Create a series of connected elements.

【００１９】さらに、第３工程で、上記第２工程で作ら
れた素子連結体の各々の熱電対素子をその上部の連結部
と下部の連結部の中心部から上下を反対方向に折曲げて
各々の熱電対素子を重合集積して温接点と冷接点を有す
る熱電対集積体を作る。Further, in a third step, each thermocouple element of the element coupling body produced in the above-mentioned second step is bent up and down in opposite directions from the center of the upper coupling portion and the lower coupling portion. Each thermocouple element is polymerized and integrated to form a thermocouple assembly having a hot junction and a cold junction.

【００２０】以上の第１工程から第３工程の製造過程を
もって必要起電力（高い起電力）が発生する均一で、し
かも、良質の直列型熱電対が効率的に製造できるから、
量産が可能で製品コストの低廉が図りうる。Since the necessary electromotive force (high electromotive force) is generated in the manufacturing process of the above first to third steps, a uniform and good quality series type thermocouple can be efficiently manufactured.
Mass production is possible and the product cost can be reduced.

【００２１】[0021]

【実施例】以下この発明の直列型熱電対の製造方法の実
施例について図面を参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a method for manufacturing a series thermocouple of the present invention will be described below with reference to the drawings.

【００２２】第１実施例（図１〜図７及び図１９参照） 熱電対を構成する２種の異なる金属板１、２の組合せと
して、たとえば、銅とコンスタンタン、クロメルとコン
スタンタン等の金属板を用い、第１工程で、必要起電力
が発生する数の熱電対素子Ｃが作り得る横長角形状の
銅、クロメル等の金属板（以下第１実施例の説明におい
ては単に銅板という）１とコンスタンタン等の金属板
（以下第１実施例の説明においては単にコンスタンタン
板という）２とに、必要数の縦長状の角穴３、４とこの
角穴３、４の横幅ｅと同一の横幅ｆの素子片１ａ、２ａ
を形成する角穴間５、６とが並列状に切り抜き形成され
た同一形状の銅板１とコンスタンタン板２（図１
（イ）、（ロ）参照）とを前後に配し、この銅板１とコ
ンスタンタン板２を角穴３、４の１個分だけ横方向にず
らして銅板１の角穴３にコンスタンタン板２の角穴間６
を位置させ、また、銅板１の角穴間５にはコンスタンタ
ン板２の角穴４を位置させて前後に重ね合せ（図２〜図
４参照）、その上縁部７ａと下縁部８ａをシーム溶接等
９、１０により溶着して銅板１とコンスタンタン板２を
一体に重合した板状素子体Ａを作成する（図５参照）。First Embodiment (see FIGS. 1 to 7 and 19) As a combination of two different metal plates 1 and 2 constituting a thermocouple, for example, metal plates such as copper and constantan, chromel and constantan are used. In the first step, a horizontally elongated rectangular metal plate such as copper or chromel (which will be simply referred to as a copper plate in the following description of the first embodiment) 1 that can be formed by the thermocouple elements C in which the necessary electromotive force is generated and a constantan And the like (hereinafter, simply referred to as a constantan plate in the description of the first embodiment) 2 and a required number of vertically long rectangular holes 3 and 4 and a lateral width f equal to the lateral width e of the rectangular holes 3 and 4. Element pieces 1a, 2a
The copper plate 1 and the constantan plate 2 (see FIG. 1) having the same shape in which the square holes 5 and 6 forming the
(See (a) and (b)), and the copper plate 1 and the constantan plate 2 are laterally displaced by one of the square holes 3 and 4 so that the copper plate 1 and the constantan plate 2 are aligned in the square hole 3 of the copper plate 1. Square hole 6
, And the square holes 4 of the constantan plate 2 are positioned between the square holes 5 of the copper plate 1 and overlapped in the front and back (see FIGS. 2 to 4), and the upper edge 7a and the lower edge 8a thereof are arranged. A plate-shaped element body A is produced by integrally welding the copper plate 1 and the constantan plate 2 by welding by seam welding 9 or 10 (see FIG. 5).

【００２３】次いで、第２工程において、上記第１工程
で作られた板状素子体Ａの上縁溶着部７と下縁溶着部８
を、上縁溶着部７は銅板１の各々の角穴３の左側縁３ａ
に沿って切断１１し銅片１ａとコンスタンタン片２ａの
上部の連結部７ｂを各別に分離し、下縁溶着部８は各々
の銅板１の各々の角穴３の右側縁３ｂに沿って切断１２
し銅片１ａとコンスタンタン片２ａの下部の連結部８ｂ
を各別に分離し、必要起電力が発生する数の銅片１ａと
コンスタンタン片２ａを組とする熱電対素子Ｃが連なる
素子連結体Ｂを作成する（図６参照）。Next, in the second step, the upper edge welded portion 7 and the lower edge welded portion 8 of the plate-shaped element body A produced in the first step described above.
The upper edge welded portion 7 is the left edge 3a of each square hole 3 of the copper plate 1.
The copper piece 1a and the upper connecting portion 7b of the constantan piece 2a are separated from each other, and the lower edge welded portion 8 is cut along the right side edge 3b of each square hole 3 of each copper plate 12
Connecting portion 8b at the bottom of the copper piece 1a and the constantan piece 2a
Are separated from each other, and an element connection body B in which the thermocouple elements C in which a number of copper pieces 1a and a constantan piece 2a of which the required electromotive force is generated are combined is formed (see FIG. 6).

【００２４】さらに、第３工程で、上記第２工程で作ら
れた素子連結体Ｂの各々の熱電対素子Ｃをその上部の連
結部７ｂはその中心の折目１３から前方へ折曲げ、下部
の連結部８ｂはその中心の折目１４から後方へ折曲げ
（図７参照）、複数個の熱電対素子Ｃを横方向に重合集
積して必要起電力が発生する小容積の温接点部ａと冷接
点部ｂとを有する熱電対集積体ＴＣを作成する（図１９
参照）。Further, in the third step, each thermocouple element C of the element connecting body B produced in the second step is bent forward from the center fold 13 of the connecting portion 7b of the upper part thereof. The connecting portion 8b is bent backward from the center fold 14 (see FIG. 7), and a plurality of thermocouple elements C are laterally overlapped and integrated to generate a necessary electromotive force. A thermocouple integrated body TC having a cold junction portion b and a cold junction portion b is prepared (FIG. 19).
reference).

【００２５】第２実施例（図８〜図１３及び図１９参
照） 熱電対を構成する２種の異なる金属板１、２の組合せと
して、たとえば、銅とコンスタンタン、クロメルとコン
スタンタン等の金属板を用い、第１工程で、必要起電力
が発生する数の熱電対素子Ｃが作り得る横長角形状の
銅、クロメル等の金属板（以下第２実施例の説明におい
ては単に銅板という）１とコンスタンタン等の金属板
（以下第２実施例の説明においては単にコンスタンタン
板という）２とに、予め決められた切断線２０、２１か
ら切り抜き（図８の（イ）、（ロ）参照）、かつ、破材
２２、２３を廃棄して必要数の素子片、すなわち、銅片
１ａとコンスタンタン片２ａが等間隔に形成された同一
形状の銅製素子板２４に対しコンスタンタン製素子板２
５を横方向に反転し（図９の（イ）、（ロ）参照）、こ
れらを前後に配して重ね合せ（図１０参照）、その上縁
部７ａと下縁部８ａの重合部をシーム溶接等９、１０に
より溶着して両素子板２４、２５を一体に重合した板状
素子体Ａを作成する（図５参照）。なお、前記素子板２
４、２５は１枚の銅板１又はコンスタンタン板２から２
つ作出される（図８の（イ）、（ロ）参照）。Second Embodiment (See FIGS. 8 to 13 and FIG. 19) As a combination of two different metal plates 1 and 2 constituting a thermocouple, for example, metal plates such as copper and constantan, chromel and constantan are used. In the first step, a horizontally elongated rectangular metal plate such as copper or chromel (hereinafter simply referred to as a copper plate in the description of the second embodiment) 1 which can be formed by the thermocouple elements C in which the necessary electromotive force is generated and a constantan A metal plate (hereinafter, simply referred to as a constantan plate in the description of the second embodiment) 2 and the like, cut from predetermined cutting lines 20 and 21 (see (a) and (b) of FIG. 8), and The destructible materials 22 and 23 are discarded, and the required number of element pieces, that is, the copper element board 24 of the same shape in which the copper pieces 1a and the constantan pieces 2a are formed at equal intervals, are replaced by the constantan element board 2
5 in the lateral direction (see (a) and (b) in FIG. 9), and these are arranged front and back to be overlapped (see FIG. 10), and the overlapping portion of the upper edge portion 7a and the lower edge portion 8a is overlapped. A plate-shaped element body A in which both element plates 24 and 25 are integrally polymerized is produced by welding by seam welding 9 or 10 (see FIG. 5). The element plate 2
4 and 25 are one copper plate 1 or constantan plate 2 to 2
Are produced (see (a) and (b) in FIG. 8).

【００２６】次いで、第２工程において、上記第１工程
で作られた板状素子体Ａの下縁溶着部８を銅片１ａとコ
ンスタンタン片２ａの一方の側縁３ａ、３ｂに沿って、
すなわち、銅片１ａとコンスタンタン片２ａとの下部の
連結部８ｂを残して切断１１し、必要起電力が発生する
数の銅片１ａとコンスタンタン片２ａを組とする熱電対
素子Ｃが連なる素子連結体Ｂを作成する（図１２参
照）。なお、上記切断加工において、銅片１ａとコンス
タンタン片２ａとの連結部８ｂ間は破材２６として切除
される。Next, in the second step, the lower edge welded portion 8 of the plate element A produced in the first step is formed along the side edges 3a and 3b of the copper piece 1a and the constantan piece 2a.
That is, the element connection in which the thermocouple elements C in which the copper pieces 1a and the constantan pieces 2a are paired are connected by cutting 11 while leaving the lower connecting portion 8b between the copper piece 1a and the constantan piece 2a in series. A body B is created (see FIG. 12). In the above cutting process, the space between the connecting portions 8b between the copper piece 1a and the constantan piece 2a is cut off as a broken material 26.

【００２７】さらに、第３工程で、上記第２工程で作ら
れた素子連結体Ｂの各々の熱電対素子Ｃをその上部の連
結部７ｂと下部の連結部８ｂの中心から上下交互に折曲
げ、たとえば、上部の連結部７ｂは折目１３から前方へ
折曲げ、下部の連結部８ｂは折目１４から後方へ折曲げ
（図１３参照）、第２工程で切断加工された銅片１ａと
コンスタンタン片２ａを組とする複数個の電対素子Ｃを
横方向に重合集積して必要起電力が発生する小容積の温
接点ａと冷接点ｂとを有する熱電対集積体ＴＣを作成す
る（図１９参照）。Further, in the third step, the thermocouple elements C of the element connecting body B produced in the second step are alternately bent from the center of the upper connecting portion 7b and the lower connecting portion 8b. , The upper connecting portion 7b is bent forward from the fold 13 and the lower connecting portion 8b is bent backward from the fold 14 (see FIG. 13), and the copper piece 1a cut in the second step is used. A thermocouple integrated body TC having a small volume of hot junctions a and cold junctions b in which a required electromotive force is generated is formed by laterally superposing and integrating a plurality of couple elements C each including a pair of constantan pieces 2a ( See FIG. 19).

【００２８】第３実施例（図１４〜図１８及び図１９参
照） 熱電対を構成する２種の異なる金属板１、２の組合せと
して、たとえば、銅とコンスタンタン、クロメルとコン
スタンタン等の金属板を用い、第１工程で、必要起電力
が発生する数の熱電対素子Ｃが作り得る横長角形状の
銅、クロメル等の金属板（以下第３実施例の説明におい
ては単に銅板という）１とコンスタンタン等の金属板
（以下第３実施例の説明においては単にコンスタンタン
板という）２とに、予め決められた切断線２０、２１か
ら切り抜き（図１４の（イ）、（ロ）参照）、かつ、破
材２２、２３を廃棄して必要数の素子片、すなわち、銅
片１ａとコンスタンタン片２ａが等間隔に形成された同
一形状の銅製素子板２４をコンスタンタン製素子板２５
に対し上下方向に反転し（図１５の（イ）、（ロ）参
照）、これらを前後に配し、相隣接する銅片１ａ又はコ
ンスタンタン片２ａの１個分だけ横方向にずらして銅製
素子板２４の間隔２７にコンスタンタン製素子板２５の
コンスタンタン片２ａを位置させ、また、銅製素子板２
４の銅片１ａにコンスタンタン製素子板２５の間隔２８
を位置させて前後に重ね合せ（図１６参照）、、その上
縁部７ａと下縁部８ａの重合部をシーム溶接等９、１０
により溶着して両素子板２４、２５を一体に重合した板
状素子体Ａを作成する（図１７参照）。Third Embodiment (see FIGS. 14 to 18 and 19) As a combination of two different metal plates 1 and 2 constituting a thermocouple, for example, metal plates such as copper and constantan, chromel and constantan are used. In the first step, a horizontally elongated rectangular metal plate such as copper or chromel (hereinafter simply referred to as a copper plate in the description of the third embodiment) 1 that can be formed by the thermocouple elements C that generate the necessary electromotive force and a constantan A metal plate (hereinafter, simply referred to as a constantan plate in the description of the third embodiment) 2 and the like, cut from predetermined cutting lines 20 and 21 (see (a) and (b) of FIG. 14), and The breakable materials 22 and 23 are discarded, and a required number of element pieces, that is, a copper element plate 24 of the same shape in which the copper pieces 1a and the constantan pieces 2a are formed at equal intervals is replaced with a constantan element plate 25.
With respect to the copper element, it is inverted vertically (see (a) and (b) of FIG. 15), and these are arranged in the front and rear, and the copper piece 1a or the constantan piece 2a adjacent to each other is laterally shifted by one. The constantan piece 2a of the constantan element plate 25 is positioned in the space 27 between the plates 24.
The interval 28 of the element plate 25 made of constantan on the copper piece 1a of No. 4
Are overlapped with each other (see FIG. 16), and the overlapping portion of the upper edge portion 7a and the lower edge portion 8a is seam welded 9, 10 or the like.
To form a plate-shaped element body A in which both element plates 24 and 25 are integrally polymerized (see FIG. 17).

【００２９】次いで、第２工程において、上記第１工程
で作られた板状素子体Ａの上縁溶着部７と下縁溶着部８
を、たとえば、上縁溶着部７は銅板１の各々の銅片１ａ
の右側縁３ｂに沿って切断１１し銅片１ａとコンスタン
タン片２ａの上部の連結部７ｂを各別に分離し、下縁溶
着部８は各々の銅片１ａの左側縁３ａに沿って切断１２
し銅片１ａとコンスタンタン片２ａの下部の連結部８ｂ
を各別に分離し、必要起電力が発生する数の銅片１ａと
コンスタンタン片２ａを組とする熱電対素子Ｃが連なる
素子連結体Ｂを作成する（図１７参照）。Next, in the second step, the upper edge welded portion 7 and the lower edge welded portion 8 of the plate-shaped element body A produced in the first step described above.
For example, the upper edge welded portion 7 is formed on each copper piece 1a of the copper plate 1.
11 is cut along the right side edge 3b of the copper piece 1a to separate the upper connecting portion 7b of the copper strip 1a from the constantan piece 2a, and the lower edge welded portion 8 is cut along the left side edge 3a of each copper piece 1a.
Connecting portion 8b at the bottom of the copper piece 1a and the constantan piece 2a
Are separated from each other, and an element coupling body B in which thermocouple elements C in which a number of copper pieces 1a and constantan pieces 2a that generate the required electromotive force are connected are formed (see FIG. 17).

【００３０】さらに、第３工程で、上記第２工程で作ら
れた素子連結体Ｂの各々の熱電対素子Ｃをその上部の連
結部７ｂはその中心の折目１３から前方へ折曲げ、下部
の連結部８ｂはその中心の折目１４から後方へ折曲げ
（図１８参照）、複数個の電対素子Ｃを横方向に重合集
積して必要起電力が発生する小容積の温接点ａと冷接点
ｂとを有する熱電対集積体ＴＣを作成する（図１９参
照）。Further, in the third step, each thermocouple element C of the element connecting body B produced in the second step is bent forward from the center fold 13 of the connecting portion 7b of the upper part thereof. The connecting portion 8b is bent backward from the center fold 14 (see FIG. 18), and a plurality of couple elements C are laterally overlapped and integrated to form a small volume hot junction a in which a necessary electromotive force is generated. A thermocouple integrated body TC having a cold junction b is prepared (see FIG. 19).

【００３１】上述した実施例の製造工程における第１工
程の角穴の穿設及び素子片の切り抜き、上縁部と下縁部
の溶着、第２工程の切断加工、第３工程の折曲げ加工及
び重合集積加工等は、実施上自動製造ラインで自動的に
行いうるようにする。なお、図７、図１３及び図１９に
おいて、１５は素子連結体Ｂの両端に接続したリード線
であり、また、図２０は熱電対集積体ＴＣの組付け状態
を示した分解図で、１６、１７は熱電対集積体ＴＣを収
納保持するカバー体である。In the manufacturing process of the above-described embodiment, the square holes are punched and the element pieces are cut out in the first step, the upper edge and the lower edge are welded, the second step is cut, and the third step is bent. In addition, polymerization and integration processing, etc. will be automatically performed on an automatic production line in practice. 7, 13 and 19, 15 is a lead wire connected to both ends of the element assembly B, and FIG. 20 is an exploded view showing an assembled state of the thermocouple integrated body TC, and 16 , 17 are cover bodies for accommodating and holding the thermocouple integrated body TC.

【００３２】以上この発明の実施例について説明した
が、この発明はこうした実施例に何等限定されるもので
はなく、この発明の要旨を逸脱しない範囲において、種
々なる態様で実施し得ることは勿論である。Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and it is needless to say that the present invention can be implemented in various modes without departing from the scope of the present invention. is there.

【００３３】[0033]

【発明の効果】以上説明したこの発明の直列型熱電対の
製造方法によれば、第１工程の板状素子体の作成から第
３工程の熱電対集積体の作成までの製造工程が簡易、か
つ、効率的に行いうるものであるから、自動製造ライン
による自動化が可能なことと相まって均一な製品の量産
ができるため、高い起電力を発生する良質の直列型熱電
対が安価に得られる。According to the method for manufacturing a series-type thermocouple of the present invention described above, the manufacturing steps from the first step of forming the plate-shaped element body to the third step of forming the thermocouple integrated body are simple, In addition, since it can be efficiently performed, it is possible to mass-produce uniform products in combination with being able to be automated by an automatic manufacturing line, so that a good-quality series thermocouple that generates high electromotive force can be obtained at low cost.

【図面の簡単な説明】[Brief description of drawings]

【図１】第１実施例の２種の異なる金属板の斜視図であ
る。FIG. 1 is a perspective view of two different metal plates of the first embodiment.

【図２】２種の異なる金属板を横方向にずらして重合し
た状態の斜視図である。FIG. 2 is a perspective view showing a state in which two different kinds of metal plates are laterally displaced and superposed.

【図３】その一部切欠正面図である。FIG. 3 is a partially cutaway front view of the same.

【図４】その横断平面図である。FIG. 4 is a cross-sectional plan view thereof.

【図５】第１工程で作られた板状素子体の正面図であ
る。FIG. 5 is a front view of the plate-shaped element body manufactured in the first step.

【図６】第２工程で切断加工された状態の正面図であ
る。FIG. 6 is a front view of a state in which a cutting process is performed in a second step.

【図７】第３工程で折曲げ加工した素子連結体を若干引
きのばした状態で表わした斜視図である。FIG. 7 is a perspective view showing a state in which the element connecting body that has been bent in the third step is slightly extended.

【図８】第２実施例に用いられる２種の異なる金属板の
切り抜き加工状態を示した正面図である。FIG. 8 is a front view showing a cutout state of two different metal plates used in the second embodiment.

【図９】切り抜き形成された２種の異なる金属板の正面
図である。FIG. 9 is a front view of two different metal plates that are cut out.

【図１０】第１工程における重合状態を示した正面図で
ある。FIG. 10 is a front view showing a polymerization state in the first step.

【図１１】第１工程で作られた板状素子体の正面図であ
る。FIG. 11 is a front view of the plate-shaped element body manufactured in the first step.

【図１２】第２工程で切断加工された状態の正面図であ
る。FIG. 12 is a front view of a state in which a cutting process is performed in a second step.

【図１３】第３工程で折曲げ加工された素子連結体を若
干引きのばした状態で表わした斜視図である。FIG. 13 is a perspective view showing a state in which the element connecting body that has been bent in the third step is slightly extended.

【図１４】第３実施例に用いられる２種の異なる金属板
の切り抜き加工状態を示した正面図である。FIG. 14 is a front view showing a cut-out state of two different metal plates used in the third embodiment.

【図１５】切り抜き形成された２種の異なる金属板の正
面図である。FIG. 15 is a front view of two different kinds of metal plates formed by cutting out.

【図１６】第１工程における重合状態を示した正面図で
ある。FIG. 16 is a front view showing a polymerization state in the first step.

【図１７】第２工程で切断加工された状態の正面図であ
る。FIG. 17 is a front view of a state in which the cutting process is performed in the second step.

【図１８】第３工程で折曲げ加工された素子連結体を若
干引きのばした状態で表わした斜視図である。FIG. 18 is a perspective view showing a state in which the element connecting body that has been bent in the third step is slightly extended.

【図１９】第１実施例〜第３実施例における第３工程の
集積加工状態を示した正面図である。FIG. 19 is a front view showing an integrated processing state of a third step in the first to third examples.

【図２０】熱電対集積体のカバー体への組付け状態を示
した分解正面図である。FIG. 20 is an exploded front view showing an assembled state of the thermocouple integrated body to the cover body.

【図２１】従来の製造方法の一例としての金属線材の配
列状態の正面図である。FIG. 21 is a front view of an array state of metal wire rods as an example of a conventional manufacturing method.

【図２２】その連結状態の正面図である。FIG. 22 is a front view of the connected state.

【符号の説明】[Explanation of symbols]

１ 銅等の金属板 ２ コンスタンタン等の金属板 Ａ 板状素子体 Ｂ 素子連結体 Ｃ 熱電対素子 ＴＣ 熱電対集積体 1 metal plate such as copper 2 metal plate such as constantan A plate-like element body B element connection body C thermocouple element TC thermocouple integrated body

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 複数の素子片を形成する２種の異なる金
属板を重ね合せ、その上縁部と下縁部を溶着して板状素
子体を作成する第１工程と、 上記板状素子体の溶着部を切断して２種の異なる素子片
を組とする複数個の熱電対素子が連なる素子連結体を作
成する第２工程と、 上記素子連結体の各々の熱電対素子を折曲げ重合して熱
電対集積体を作成する第３工程と、 からなることを特徴とする直列型熱電対の製造方法。1. A first step of stacking two kinds of different metal plates forming a plurality of element pieces and welding an upper edge portion and a lower edge portion thereof to form a plate-shaped element body, and the plate-shaped element. A second step of cutting the welded portion of the body to form an element connection body in which a plurality of thermocouple elements each including two different element pieces are connected, and bending each thermocouple element of the element connection body. And a third step of polymerizing to form a thermocouple assembly, and a method for producing a series thermocouple. 【請求項２】 同一幅の複数の角穴と複数の素子片を形
成する角穴間とが並列状に切り抜き形成された２種の異
なる金属板を上記角穴１個分だけ横方向にずらして重ね
合せ、その上縁部と下縁部を溶接等により溶着して２種
の異なる金属板が一体に重合された板状素子体を作成す
る第１工程と、 上記板状素子体の上縁溶着部と下縁溶着部を各々の角穴
の一方の側縁に沿って切断分離して２種の異なる素子片
を組とする複数個の熱電対素子が連なる素子連結体を作
成する第２工程と、 上記素子連結体の各々の熱電対素子をその上部連結部と
下部連結部において上下反対方向に折曲げ重合して熱電
対集積体を作成する第３工程と、 からなることを特徴とする請求項１記載の直列型熱電対
の製造方法。2. Two different metal plates in which a plurality of square holes having the same width and a plurality of square holes forming a plurality of element pieces are cut out in parallel are shifted laterally by one square hole. On the plate-shaped element body, the first step of forming a plate-shaped element body in which two different metal plates are integrally polymerized by welding the upper edge portion and the lower edge portion by welding or the like. First, an edge-joined portion and a lower-edge welded portion are cut and separated along one side edge of each square hole to form an element connection body in which a plurality of thermocouple elements that form two different element pieces are connected. A second step, and a third step of forming a thermocouple integrated body by bending and superposing each thermocouple element of the above-mentioned element coupling body in an upside-down direction at an upper coupling portion and a lower coupling portion thereof. The method for manufacturing a series-type thermocouple according to claim 1. 【請求項３】 複数の素子片が同一間隔を存して切り抜
き形成された２種の異なる金属板を一方の金属板を反転
して重ね合せ、その上縁部と下縁部を溶接等により溶着
して２種の異なる金属板が一体に重合された板状素子体
を作成する第１工程と、 上記板状素子体の溶着部を各々の素子片の一方の側縁に
沿って切断分離して２種の異なる素子片を組とする複数
個の熱電対素子が連なる素子連結体を作成する第２工程
と、 上記素子連結体の各々の熱電対素子をその上部連結部と
下部連結部において上下反対方向に折曲げ重合して熱電
対集積体を作成する第３工程と、 からなることを特徴とする請求項１記載の直列型熱電対
の製造方法。3. Two kinds of different metal plates formed by cutting out a plurality of element pieces at the same interval are superposed by inverting one metal plate, and welding the upper edge portion and the lower edge portion thereof by welding or the like. A first step of welding to create a plate-shaped element body in which two different metal plates are integrally polymerized, and a welding portion of the plate-shaped element body is cut and separated along one side edge of each element piece. And a second step of forming an element connection body in which a plurality of thermocouple elements, each of which is a set of two different element pieces, are connected to each other, and the upper connection portion and the lower connection portion of each thermocouple element of the element connection body. 2. The method for producing a series-type thermocouple according to claim 1, further comprising: a third step of bending and polymerizing in opposite directions to form a thermocouple assembly.