JP2002170653A - Heater - Google Patents
HeaterInfo
- Publication number
- JP2002170653A JP2002170653A JP2000365422A JP2000365422A JP2002170653A JP 2002170653 A JP2002170653 A JP 2002170653A JP 2000365422 A JP2000365422 A JP 2000365422A JP 2000365422 A JP2000365422 A JP 2000365422A JP 2002170653 A JP2002170653 A JP 2002170653A
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- power supply
- hermetic seal
- storage space
- carbon fiber
- 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.)
- Granted
Links
Landscapes
- Resistance Heating (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は炭素繊維体からなる
発熱体を用いたヒータの改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a heater using a heating element made of a carbon fiber body.
【０００２】[0002]
【従来の技術】従来の炭素繊維体からなる発熱体を用い
たヒータ(B)は、図15に示すように両端部の気密シール
部(22)から外囲器(21)の発熱体収納空間(23)内に給電部
(26)の内部リード棒(27)を突出させ、発熱体収納空間(2
3)内に収納されている炭素繊維体からなる発熱体(24)の
端部(33)に前記内部リード棒(27)の突出端(32)を差し込
み、給電部(26)の内部リード棒(27)と発熱体(24)との電
気的導通を取っていた。2. Description of the Related Art As shown in FIG. 15, a conventional heater (B) using a heating element made of a carbon fiber body is provided with a heating element storage space of an envelope (21) from hermetic seal portions (22) at both ends. (23) Power supply inside
Protrude the internal lead rod (27) of (26) and set the heating element storage space (2
3) Insert the protruding end (32) of the internal lead rod (27) into the end (33) of the heating element (24) made of a carbon fiber body housed therein, and insert the internal lead rod of the power supply section (26). (27) and the heating element (24) were electrically connected.
【０００３】この状態で通電すると、細い炭素繊維の低
密度集合体である発熱体(24)の端部(33)に内部リード棒
(27)の突出端(32)を単に差し込んで導通を確保している
だけであるから、両者の接触が不十分で差し込み部分(3
3)の接触抵抗が大きく且つ通電時に内部リード棒(27)の
差し込み部分(33)の先端から発熱体(24)に集中的に電流
が流れ、前記先端から１〜２ｍｍ離れた箇所(31)に他の
部分より一際明るい高温スポット(30)が表れ、その部分
(30)が次第に蒸発し、円形のスポット的空洞が形成され
る。When electricity is supplied in this state, an internal lead rod is attached to an end (33) of a heating element (24) which is a low-density aggregate of fine carbon fibers.
Since the protruding end (32) of (27) is merely inserted to ensure conduction, the contact between the two is insufficient and the insertion part (3
(3) The contact resistance is large and current flows intensively to the heating element (24) from the tip of the insertion part (33) of the internal lead rod (27) when energized, and the point (31) separated from the tip by 1 to 2 mm A hot spot (30), which is brighter than other parts, appears in that part
(30) evaporates gradually to form a circular spot-like cavity.
【０００４】通電時間の経過と共に前記円形スポット的
空洞は次第にその体積を増加させ、ついには発熱体(24)
の断線を引き起こす。また、前述のように内部リード棒
(27)と発熱体(24)との電気的導通は、細い炭素繊維の低
密度集合体である発熱体(24)の端部(33)に内部リード棒
(27)の突出端(32)を単に差し込んで確保しているだけで
あるから、外部からの振動で発熱体(24)が移動したり変
形すると抜け易いというような問題もあった。[0004] The volume of the circular spot-like cavity gradually increases with the lapse of energization time, and finally the heating element (24)
Cause disconnection. Also, as described above, the internal lead rod
The electrical connection between the heating element (27) and the heating element (24) is achieved by using an internal lead rod at the end (33) of the heating element (24), which is a low-density aggregate of thin carbon fibers.
Since the protruding end (32) of (27) is merely inserted and secured, there is also a problem that the heating element (24) is easily dislodged if it moves or deforms due to external vibration.
【０００５】[0005]
【発明が解決しようとする課題】本発明は係る従来例に
鑑みてなされたもので、給電部と発熱体の電気的接触を
より確実に出来て通電時における発熱体の断線を生じる
事がなく且つ発熱体が給電部から脱落するというような
事もない炭素繊維体からなる発熱体を使用したヒータの
開発にある。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned prior art, and makes it possible to more reliably make an electrical contact between the power supply unit and the heating element so that the heating element does not break when energized. Another object of the present invention is to develop a heater using a heating element made of a carbon fiber body, in which the heating element does not fall off from the power supply portion.
【０００６】[0006]
【課題を解決するための手段】請求項１に記載のヒータ
(A1-1〜A1-4；図１〜７)は、(a) 内部に非酸化性雰囲
気の発熱体収納空間(3)を有し、端部に気密シール部(2)
が形成されている外囲器(1)と、(b) 前記発熱体収納空
間(3)内に収納され、その両端部分(5)が前記気密シール
部(2)内に埋設されている炭素繊維体からなる発熱体(4)
と、(c) その一部が気密シール部(2)に埋設され且つ前
記埋設部分(7a)において発熱体(4)の埋設端(5)に接続さ
れ、他端が気密シール部(2)から外部に導出されている
給電部(6)とで構成されている事を特徴とする。A heater according to claim 1.
(A1-1 to A1-4; FIGS. 1 to 7) show (a) a heating element storage space (3) in a non-oxidizing atmosphere inside, and an airtight seal portion (2) at an end.
And (b) carbon contained in the heating element storage space (3), and both ends (5) of which are embedded in the hermetic seal portion (2). Heating element made of fibrous body (4)
(C) a part thereof is buried in the hermetic seal portion (2) and connected to the buried end (5) of the heating element (4) at the buried portion (7a), and the other end is a hermetic seal portion (2). And a power supply section (6) led out of the apparatus.
【０００７】これによればまず第１に、気密シール部
(2)に埋設されている発熱体(4)の埋設端(5)と給電部(6)
の埋設部分(7a)が互いに気密シール部(2)内で接続され
ているので、シール時の収縮或いはピンチングにより炭
素繊維体からなる発熱体(4)の埋設部分(5)が圧縮されて
密度を増し、発熱体(4)の埋設端(5)と給電部(6)の埋設
部分(7a)の接続部分(C)が互いにより良く密着すること
で接触抵抗を低くして導通性を高め、加えて発熱体(4)
の埋設端(5)に接続されている給電部(6)の接続部分(C)
が発熱体収納空間(3)内に突出していないので、発熱体
(4)の接続部分(C)の外側近傍部分の熱が気密シール部
(2)によって奪われ、従来例のような高温スポット(30)
の発生が解消され、発熱体(4)の断線を生じることがな
い。According to this, first, an airtight seal portion
The buried end (5) of the heating element (4) buried in (2) and the power supply section (6)
Since the buried portions (7a) are connected to each other within the hermetic seal portion (2), the buried portion (5) of the carbon fiber heating element (4) is compressed by shrinkage or pinching during sealing, and The buried end (5) of the heating element (4) and the connecting part (C) of the buried part (7a) of the power supply part (6) adhere better to each other, lowering the contact resistance and increasing the conductivity. , Plus heating elements (4)
Connection part (C) of the power supply part (6) connected to the buried end (5) of
Does not protrude into the heating element storage space (3).
The heat near the outside of the connection part (C) in (4) is hermetically sealed.
High temperature spot (30) deprived by (2) and like the conventional example
Is eliminated, and no disconnection of the heating element (4) occurs.
【０００８】また、これと同時に発熱体(4)の埋設端(5)
が気密シール部(2)に拘束されて抜けにくくなり、外部
振動を受けても発熱体(4)の埋設端(5)が給電部(6)の一
部から脱落するというような事がなくなる。なお、全実
施例を通じて発生しないのであるが、高温スポット(30)
が発生すべき部分を図面に白丸で表した。また、全実施
例を通じて言える事であるが、外囲器(1)の両端に気密
シール部(2)が形成されている両口タイプ及び図７に示
すような外囲器(1)の一端に気密シール部(2)が形成され
ている片口タイプの両方が含まれる。本明細書に於いて
は、両口タイプを代表例として説明する。また、給電部
(6)は、図の実施例では金属箔(8)を使用するタイプが示
されているが、外囲器(1)をハードガラスとし、給電部
(6)を単なるモリブデン棒とする事も出来る。At the same time, the buried end (5) of the heating element (4)
Is restrained by the hermetic seal part (2), making it difficult to come off, and even when subjected to external vibration, the buried end (5) of the heating element (4) does not fall off part of the power supply part (6) . In addition, although it does not occur throughout all the examples, the hot spot (30)
The portions where the occurrence should be indicated by white circles in the drawing. Further, as can be said through all the embodiments, a two-port type in which an airtight seal portion (2) is formed at both ends of the envelope (1) and one end of the envelope (1) as shown in FIG. In which the airtight seal portion (2) is formed. In this specification, a two-port type is described as a representative example. In addition, the power supply
(6) shows a type in which the metal foil (8) is used in the embodiment of the figure, but the envelope (1) is made of hard glass,
(6) can be simply a molybdenum rod.
【０００９】請求項２に記載のヒータ(A1-2；図３、４)
は、請求項１の改良に関し、「発熱体(4)と給電部(6)と
の接続部分(C)が気密シール部(2)の圧着部分(P)に配設
されている」事を特徴とするもので、圧着部分(P)によ
り炭素繊維体である発熱体(4)の埋設部分(5)が圧縮され
て請求項１に比べてより密度を増し、接触抵抗を下げる
と同時に抜けにくくなり、耐振性がより向上する。The heater according to claim 2 (A1-2; FIGS. 3 and 4).
Relates to the improvement of claim 1 that "the connection part (C) between the heating element (4) and the power supply part (6) is disposed at the crimping part (P) of the hermetic seal part (2)". The buried portion (5) of the heating element (4), which is a carbon fiber body, is compressed by the pressure-bonded portion (P) to increase the density as compared with claim 1, to lower the contact resistance and at the same time to come off. And the vibration resistance is further improved.
【００１０】「請求項３」に記載のヒータ(A2-1,A2-2；
図８〜11)は、(a) 内部に非酸化性雰囲気の発熱体収納
空間(3)を有し、端部に気密シール部(2)が形成されてい
る外囲器(1)と、(b) 前記発熱体収納空間(3)内に収納
され、その両端部分(5)が前記外囲器(1)に形成された突
部(11)間に挟持されている炭素繊維体からなる発熱体
(4)と、(c) その一部が発熱体収納空間(3)内に突出
し、前記突部(11)間に挟持されている発熱体(4)の被挟
持部分(11a)に接続され、他端が気密シール部(2)から外
部に導出されている給電部(6)とで構成されている事を
特徴とする。The heater according to claim 3 (A2-1, A2-2;
FIGS. 8 to 11) show (a) an envelope (1) having a heating element housing space (3) in a non-oxidizing atmosphere inside and an airtight seal portion (2) formed at an end portion; (b) A carbon fiber body which is housed in the heating element housing space (3) and whose both ends (5) are sandwiched between protrusions (11) formed on the envelope (1). Heating element
(4) and (c) a part thereof protrudes into the heating element storage space (3) and is connected to the held portion (11a) of the heating element (4) held between the projections (11). , And the other end is constituted by a power supply section (6) led out from the hermetic seal section (2).
【００１１】この場合は、給電部(6)と発熱体(4)との接
続が気密シール部(2)内でなく、発熱体収納空間(3)内
で、発熱体収納空間(3)内に対向して突き出された突部
(11)間で行われている場合である。この場合、(i)突部
(11)が高温スポット(30)が発生すべき部分をカバーする
場合(図８、９)と、(ii)発熱体(4)と給電部(6)との接続
部分(C)を含むが高温スポット(30)を含まない場合(図1
0、11)とがある。(i)の場合、請求項１と同様の作用が
得られる。(ii)の場合、高温スポット(30)部分を直接突
部(11)で挟持しないが、発熱体(4)と給電部(6)の電気的
接触性が向上する事と、突部(11)によってある程度熱が
奪われるため、高温スポット(30)の発生もある程度抑制
される。In this case, the connection between the power supply section (6) and the heating element (4) is made not in the hermetic seal section (2) but in the heating element storage space (3) and in the heating element storage space (3). Protruding part facing
(11). In this case, (i)
(11) covers the part where the high temperature spot (30) is to be generated (FIGS. 8 and 9), and (ii) includes the connection part (C) between the heating element (4) and the power supply part (6). When the hot spot (30) is not included (Fig. 1
0, 11). In the case of (i), the same operation as the first aspect is obtained. In the case of (ii), the high temperature spot (30) is not directly sandwiched by the protrusions (11), but the electrical contact between the heating element (4) and the power supply unit (6) is improved, and the protrusion (11 ) Removes some heat, so that the generation of high-temperature spots (30) is also suppressed to some extent.
【００１２】「請求項４」に記載のヒータ(A3；図12,1
3)は、(a) 内部に非酸化性雰囲気の発熱体収納空間(3)
を有し、端部に気密シール部(2)が形成されている外囲
器(1)と、(b) 前記発熱体収納空間(3)内に収納され、
その両端部分(5)が前記外囲器(1)に形成された突部(11)
間に挟持されている炭素繊維体からなる発熱体(4)と、
(c) その一部が発熱体収納空間(3)内に突出し、前記突
部(11)間に挟持されている発熱体(4)の被挟持部分(11a)
の外側近傍部分において接続され、他端が気密シール部
(2)から外部に導出されている給電部(6)とで構成されて
いる事を特徴とするもので、これにより「外側近傍部
分」、即ち、高温スポット(30)の発生領域を突部(11)で
直接挟持する事でこの部分の熱を突部(11)で吸収し、高
温スポット(30)の発生を抑制する。The heater according to claim 4 (A3; FIGS. 12 and 1)
(3) is (a) Heating element storage space with non-oxidizing atmosphere inside (3)
An envelope (1) having an airtight seal portion (2) formed at an end thereof, and (b) housed in the heating element housing space (3),
The projections (11) whose both ends (5) are formed on the envelope (1)
A heating element (4) made of a carbon fiber body sandwiched between,
(c) a portion of the heating element (4a) that is partly protruded into the heating element storage space (3) and held between the projections (11);
Is connected near the outside, and the other end is hermetically sealed.
(2) and a power feeding section (6) led out to the outside. By directly sandwiching in (11), the heat of this part is absorbed by the protruding part (11), and the generation of the hot spot (30) is suppressed.
【００１３】請求項５に記載のヒータ(A)は、請求項１
〜４の改良に関し、「給電部(6)の発熱体(4)との接続部
分(C)に係合部(7a)が形成されている」事を特徴とする
もので、このように給電部(6)に係合部(7a)が形成され
ていると、発熱体(4)の接触部分に給電部(6)の係合部(7
a)が係合して給電部(6)と発熱体(4)との接続をより強固
にすることが出来、耐振性の向上に寄与する。係合部(7
a)の形状は特に限定されるものではなく、例えば凹凸状
のものが考えられる。[0013] The heater (A) according to the fifth aspect is the first aspect.
In regard to the improvement of (4), the engaging portion (7a) is formed at the connecting portion (C) of the power feeding portion (6) with the heating element (4). When the engaging portion (7a) is formed in the portion (6), the engaging portion (7) of the power feeding portion (6) is brought into contact with the heating element (4).
The connection between the power supply unit (6) and the heat generating element (4) can be made stronger by engaging the a), thereby contributing to an improvement in vibration resistance. Engagement part (7
The shape of a) is not particularly limited, and may be, for example, an uneven shape.
【００１４】[0014]
【発明の実施の形態】以下、本発明を図示実施例に従っ
て説明する。図１，２は本発明の第１実施例の基本形(A
1-1)であり、これを中心に説明した後、第１実施例の変
形例(A1-2〜A1-4)及び第２実施例(A2)以下を順次説明す
る。第１実施例の変形例(A1-2〜A1-4)以下の説明に際
し、煩雑を避ける意味で第１実施例の基本形(A1-1)と重
複する部分の説明を省略し、異なる部分を中心に説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. 1 and 2 show a basic embodiment (A) of a first embodiment of the present invention.
1-1), and after mainly describing this, the modified examples (A1-2 to A1-4) of the first embodiment and the second embodiment (A2) and so on will be sequentially described. Modifications of First Embodiment (A1-2 to A1-4) In the following description, in order to avoid complication, description of parts overlapping with basic form (A1-1) of the first embodiment is omitted, and different parts are omitted. I will explain mainly.
【００１５】外囲器(1)は石英ガラス管で形成されてお
り、その両端部に収縮或いはピンチングによる気密シー
ル部(2)が形成されており、気密シール部(2)間が発熱体
収納空間(3)となっており、内部に窒素ガスやアルゴン
ガスなどの不活性ガスが充填され、或いは略真空に保持
された非酸化性雰囲気となっている。不活性ガスを充填
する場合は、通電時、不活性ガスが膨張するため例えば
０.４〜０.６気圧程度の負圧に設定されている。本実施
例ではピンチングによる気密シール部(2)をその代表例
として説明する。The envelope (1) is formed of a quartz glass tube, and has a hermetic seal portion (2) formed by shrinking or pinching at both ends thereof, and the space between the hermetic seal portions (2) accommodates a heating element. The space (3) is filled with an inert gas such as a nitrogen gas or an argon gas, or has a non-oxidizing atmosphere which is maintained in a substantially vacuum. When the inert gas is filled, the pressure is set to a negative pressure of, for example, about 0.4 to 0.6 atm because the inert gas expands when energized. In this embodiment, the hermetic seal portion (2) by pinching will be described as a typical example.
【００１６】発熱体(4)は低密度の炭素繊維体、例えば
不織布、厚みのあるマット状のもの、炭素繊維の織布な
ど様々な形態のものがあるが、本実施例では不織布、厚
みのあるマット状のものを切断して断面矩形の紐状又は
帯状の発熱体(4)を使用する。The heating element (4) has various forms such as a low-density carbon fiber body, for example, a nonwoven fabric, a thick mat-like material, and a carbon fiber woven fabric. A mat-shaped object is cut and a string-shaped or band-shaped heating element (4) having a rectangular cross section is used.
【００１７】炭素繊維体は、細い炭素繊維の集合体でそ
の種類は特に制限されないが、炭素繊維の例を挙げれば
木綿のような天然繊維を原料とする天然繊維系炭素繊
維、ポリアクリル系炭素繊維、セルロース系炭素繊維、
フェノール系炭素繊維、フラン系炭素繊維、ポリカルボ
ジイミド系炭素繊維などのガラス状炭素繊維、異方性ピ
ッチ、等方性ピッチ、合成ピッチ等のピッチ系炭素繊
維、ポリビニルアルコール系炭素繊維、活性炭繊維、コ
イル状炭素繊維などが挙げられる。The carbon fiber body is an aggregate of thin carbon fibers, the type of which is not particularly limited. Examples of carbon fibers include natural fiber-based carbon fibers made from natural fibers such as cotton, and polyacryl-based carbon fibers. Fiber, cellulosic carbon fiber,
Phenolic carbon fiber, furan-based carbon fiber, glassy carbon fiber such as polycarbodiimide-based carbon fiber, anisotropic pitch, isotropic pitch, pitch-based carbon fiber such as synthetic pitch, polyvinyl alcohol-based carbon fiber, activated carbon fiber, Examples include coiled carbon fibers.
【００１８】また、前記炭素材料の分子構造も特に限定
されるものでなく、例えば黒鉛質系炭素、非晶質系炭素
或いはこれらの中間的結晶構造を有する炭素などが挙げ
られる。炭素繊維の繊維径は所望の効果を得られる限り
特に制限はないが、通常５〜20μｍ程度、好ましくは７
〜15μｍ程度、より好ましくは７〜11μｍ程度である。The molecular structure of the carbon material is not particularly limited, and examples thereof include graphitic carbon, amorphous carbon, and carbon having an intermediate crystal structure between them. The fiber diameter of the carbon fiber is not particularly limited as long as the desired effect can be obtained, but is usually about 5 to 20 μm, preferably 7 to 20 μm.
Approximately 15 μm, more preferably approximately 7 to 11 μm.
【００１９】発熱体(4)の密度も特に制限されないが、
通常1.5ｇ/cm3程度或いはそれ以下、好ましくは0.01〜
0.6ｇ/cm3、より好ましくは0.05〜0.25g/cm3が好まし
い。このように密度の低い炭素材料は見かけの体積が大
きいので、遠赤外線量が多くなり、より優れた発熱能を
有する。The density of the heating element (4) is not particularly limited, either.
Usually about 1.5 g / cm 3 or less, preferably 0.01 to
0.6 g / cm 3, more preferably 0.05~0.25g / cm 3. Since such a low-density carbon material has a large apparent volume, the amount of far-infrared rays increases, and the carbon material has more excellent heat generating ability.
【００２０】給電部(6)は、一般的にはモリブデン箔
(8)、モリブデン製の内部リード棒(7)及びモリブデン製
の外部リード棒(9)とで構成されており、モリブデン箔
(8)の一端に内部リード棒(7)の一端がスポット溶接され
ており、モリブデン箔(8)の他端に外部リード棒(9)の一
端がスポット溶接されている。そして、気密シール部
(2)内にモリブデン箔(8)及び内部リード棒(7)の全体が
埋設されており、外部リード棒(9)の他端が気密シール
部(2)から外部に導出されている。The power supply section (6) is generally made of molybdenum foil.
(8), a molybdenum internal lead rod (7) and a molybdenum external lead rod (9).
One end of the inner lead bar (7) is spot-welded to one end of (8), and one end of the outer lead bar (9) is spot-welded to the other end of the molybdenum foil (8). And the airtight seal part
The entire molybdenum foil (8) and the inner lead bar (7) are embedded in (2), and the other end of the outer lead bar (9) is led out from the hermetic seal portion (2).
【００２１】前述のように内部リード棒(7)の全体は気
密シール部(2)内に埋設されており、その埋設部分(7a)
が気密シール部(2)内に埋設された発熱体(4)の埋設端
(5)に挿入されて接続されている。その挿入代は(C)であ
り、内部リード棒(7)の挿入端と発熱体収納空間(3)の端
部との間にはある一定の幅(s)が設けられており、この
範囲に高温スポット(30)の発生すべき部分が含まれる事
になる。As described above, the entire inner lead rod (7) is buried in the hermetic seal part (2), and the buried part (7a)
Is the embedded end of the heating element (4) embedded in the hermetic seal (2).
Inserted and connected to (5). The insertion margin is (C), and a certain width (s) is provided between the insertion end of the internal lead rod (7) and the end of the heating element storage space (3). Includes a portion where a high-temperature spot (30) is to be generated.
【００２２】次に、本発明に係るヒータ(A1-1)の製造方
法の一例に付いて簡単に説明する。まず、モリブデン箔
(8)に外部リード棒(9)及び内部リード棒(7)をスポット
溶接して給電部(6)を形成し、発熱体(4)の両端に内部リ
ード棒(7)の端部を挿入する。続いて、所定寸法に切断
された直管型の外囲器(1)を構成する石英ガラス内に前
記の組立体を挿入し、石英ガラスの中央部分に接続され
ているチップ管(図３で、チップ管の根本を封切した封
切痕(10)が示されている。)に窒素ガスやアルゴンガス
のような不活性ガス供給源(図示せず)に接続し、石英ガ
ラス内に不活性ガスを通流させながら石英ガラスの端部
を加熱しピンチャ(図示せず)でピンチングする。石英ガ
ラスの端部のピンチングは両端同時でもよいし、１つず
つでもよい。Next, an example of a method for manufacturing the heater (A1-1) according to the present invention will be briefly described. First, molybdenum foil
(8) An external lead rod (9) and an internal lead rod (7) are spot-welded to form a power supply section (6), and the ends of the internal lead rod (7) are inserted into both ends of the heating element (4). I do. Subsequently, the above assembly was inserted into quartz glass constituting a straight tube type envelope (1) cut to a predetermined size, and a tip tube (FIG. 3) connected to a central portion of the quartz glass. , A notch (10) that cuts off the root of the tip tube is connected to an inert gas supply source (not shown) such as nitrogen gas or argon gas. While flowing, the end of the quartz glass is heated and pinched by a pincher (not shown). The pinching of the ends of the quartz glass may be simultaneous at both ends or one by one.
【００２３】ピンチャは加熱軟化した石英ガラスの端部
を圧着封止するもので、圧着封止された気密シール部
(2)は図のように全体が矩形板状に形成され、内部にモ
リブデン箔(8)と内部リード棒(7)の全体及び外部リード
棒(9)のスポット溶接近傍部分並びに発熱体(4)の端部
(5)が埋設される。The pincher presses and seals the end portion of the heat-softened quartz glass.
(2) is formed in the shape of a rectangular plate as a whole, as shown in the figure, and the molybdenum foil (8) and the entire inner lead rod (7), the spot near the spot welding of the outer lead rod (9), and the heating element (4). ) End
(5) is buried.
【００２４】石英ガラスの端部の封止が終了すると、チ
ップ管を真空源に接続して内部を真空にし、続いて窒素
ガスやアルゴンガスのような不活性ガスを充填し、最後
にチップ管の根本を封切する。このようにして、図１、
２に示すヒータ(A1-1)が形成される事になる。When the sealing of the end of the quartz glass is completed, the tip tube is connected to a vacuum source to evacuate the inside, and then filled with an inert gas such as nitrogen gas or argon gas. Release the root of. Thus, FIG.
The heater (A1-1) shown in FIG. 2 is formed.
【００２５】次に、ヒータ(A1)の通電状態に付いて説明
する。給電部(6)の外部リード棒(9)を電源に接続し通電
すると、内部リード棒(7)を通って発熱体(4)に電流が流
れる。内部リード棒(7)の発熱体(4)との接続端部(C)は
気密シール部(2)内に埋設されているので、前述のよう
に発熱体(4)の埋設部分(5)の十分な圧縮により十分な導
通が確保され且つ前記高温スポット(30)の発生位置が埋
設部分(5)内に位置する事による高温スポット(30)の発
生部分の冷却が行われ、発熱体(4)に従来例のような高
温スポット(30)の発生を生じる事なく通電が行われる。
従って、長時間の使用にあっても発熱体(4)の断線を生
じることがない。Next, the energized state of the heater (A1) will be described. When the external lead rod (9) of the power supply section (6) is connected to a power supply and energized, a current flows through the heating element (4) through the internal lead rod (7). Since the connection end (C) of the internal lead rod (7) with the heating element (4) is embedded in the hermetic seal part (2), the embedded part (5) of the heating element (4) as described above Sufficient compression ensures sufficient continuity, and the location where the hot spot (30) is generated is located in the buried portion (5) to cool the portion where the hot spot (30) is generated, and the heating element ( In 4), energization is performed without generating a high-temperature spot (30) as in the conventional example.
Therefore, the heating element (4) does not break even after a long use.
【００２６】又、ヒータ(A1-1)を加熱装置に組み込んで
使用したり、ヒータ(A1-1)を搬送したりする時に、ヒー
タ(A1-1)に外部振動が加わり、発熱体(4)に外力が加わ
って発熱体(4)が変形したり移動したりしようとする
が、発熱体(4)の両端部(5)が気密シール部(2)に埋設さ
れて拘束されているため、前記変形や移動が完全に阻止
され、耐振性が格段に向上する。Further, when the heater (A1-1) is used by being incorporated in a heating device, or when the heater (A1-1) is transported, external vibration is applied to the heater (A1-1) and the heating element (4 ) Is deformed or moves due to external force applied to it, but both ends (5) of the heating element (4) are buried in the hermetic seal (2) and restrained. The deformation and movement are completely prevented, and the vibration resistance is remarkably improved.
【００２７】なお、全実施例を通じて言える事である
が、ヒータ(A1-1)では、給電部(6)は金属箔(8)を使用す
るタイプの実施例ではが示されているが、外囲器(1)を
ハードガラスとし、給電部(6)を単なるモリブデン棒と
する事も出来る。また、図示していないが、給電部(6)
の内部リード棒(7)が発熱体(4)の端部(5)を貫通して発
熱体収納空間(3)に至る場合も考えられる場合もある
が、このような場合でも内部リード棒(7)と発熱体(4)と
の接続は気密シール部(2)内で行われることになる。As can be said throughout all embodiments, in the heater (A1-1), the power supply section (6) is shown in the embodiment using a metal foil (8), The enclosure (1) may be made of hard glass, and the power supply section (6) may be made of a simple molybdenum rod. Although not shown, the power supply unit (6)
In some cases, the internal lead rod (7) may pass through the end (5) of the heating element (4) and reach the heating element storage space (3). The connection between the heating element (7) and the heating element (4) is performed in the hermetic seal portion (2).
【００２８】図３，４は本発明の第１実施例の変形例(A
1-2)で、この場合は気密シール部(2)に圧着部分(P)を形
成する場合である。この場合、前記ピンチャの圧着面
は、気密シール部(2)の圧着部(P)に対応する部分が突出
しており、ピンチング時に圧着部(P)を形成する。この
場合、前記ピンチャの圧着面は、気密シール部(2)の圧
着部(P)に対応する部分が突出しており、ピンチング時
に圧着部(P)を形成する。FIGS. 3 and 4 show a modification (A) of the first embodiment of the present invention.
In the case of 1-2), in this case, a crimped portion (P) is formed in the hermetic seal portion (2). In this case, the crimping surface of the pincher has a portion corresponding to the crimping portion (P) of the hermetic seal portion (2) protruding, and forms the crimping portion (P) during pinching. In this case, the crimping surface of the pincher has a portion corresponding to the crimping portion (P) of the hermetic seal portion (2) protruding, and forms the crimping portion (P) during pinching.
【００２９】この圧着部分(P)は気密シール部(2)に形成
されており、図４のから分かるように気密シール部(2)
の他の部分より一段と圧縮されており、この部分(P)に
埋設されている発熱体(4)の埋設端(5)はより強く圧縮さ
れ高密度となっている。この部分の厚みを(T)で示す。
それ故、発熱体(4)と内部リード棒(7)との接続がより強
固に行われ、両者の導通がよう良好になると同時に抜け
にくくもなる。This crimping portion (P) is formed in the hermetic seal portion (2), and as can be seen from FIG. 4, the hermetic seal portion (2)
The heat generating element (4) buried in this portion (P) is more strongly compressed and has a higher density. The thickness of this part is indicated by (T).
Therefore, the connection between the heating element (4) and the inner lead bar (7) is made more firmly, and the conduction between the two becomes more excellent, and at the same time, it becomes harder to remove.
【００３０】図５，６は本発明の第１実施例の変形例(A
1-3)で、この場合は給電部(6)の内部リード棒(7)を省略
し、モリブデン箔(8)の一端を直接発熱体(4)の端部(5)
に挿入或いは接触させた例であり、前記端部(5)は圧縮
されてモリブデン箔(8)の一端との接触性の向上が図ら
れている。FIGS. 5 and 6 show a modification (A) of the first embodiment of the present invention.
1-3), in this case, omit the internal lead rod (7) of the power supply section (6) and connect one end of the molybdenum foil (8) directly to the end (5) of the heating element (4).
The end (5) is compressed to improve the contact with one end of the molybdenum foil (8).
【００３１】図７は本発明の第１実施例の変形例(A1-4)
で片口タイプの例である。この場合は、略逆Ｕ字状に成
形された炭素繊維体からなる発熱体(4)が外囲器(1)内に
収納され、外囲器(1)の一端に設けられた気密シール部
(2)に一対の給電部(6)のモリブデン箔(8)とその溶接近
傍部分が埋設されており、発熱体(4)の両端部分(5)が前
記気密シール部(2)に埋設されており、発熱体(4)の埋設
部分(5)に給電部(6)の前記埋設部分(7a)が接続され、他
端が気密シール部(2)から外部に導出されている。ま
た、発熱体(4)の屈曲部分は外囲器(1)の頂部に形成され
た封切跡(10)に取り付けられたフック(15)に係止固定さ
れている。外囲器(1)の発熱体収納空間(3)は前述同様窒
素やアルゴンガス等が０.４〜０.６気圧程度の減圧状態
で封入され、非酸化性雰囲気となっている。FIG. 7 shows a modification (A1-4) of the first embodiment of the present invention.
This is an example of a one-sided type. In this case, a heating element (4) made of a carbon fiber body formed in a substantially inverted U shape is housed in the envelope (1), and an airtight seal portion provided at one end of the envelope (1).
In (2), the molybdenum foil (8) of the pair of power supply portions (6) and the portion near the welding thereof are buried, and both end portions (5) of the heating element (4) are buried in the hermetic seal portion (2). The buried portion (7a) of the power supply portion (6) is connected to the buried portion (5) of the heating element (4), and the other end is led out from the hermetic seal portion (2). The bent portion of the heating element (4) is locked and fixed to a hook (15) attached to a seal mark (10) formed on the top of the envelope (1). As described above, the heating element storage space (3) of the envelope (1) is filled with nitrogen, argon gas, or the like under a reduced pressure of about 0.4 to 0.6 atm, and has a non-oxidizing atmosphere.
【００３２】図８〜11は本発明の第２実施例の基本形(A
2-1)とその変形例(A2-2)で、この場合は外囲器(1)の気
密シール部(2)近傍の発熱体収納空間(3)に１対の突部(1
1)が発熱体収納空間(3)内に突設され、発熱体(4)の端部
(5)が前記突部(11)間に挟持され且つ給電部(6)の発熱体
収納空間(3)内に突出している端部(C)が、発熱体(4)の
端部(5)に挿入されて電気的に接続されている場合で、
前述のように、給電部(6)と発熱体(4)との接続が気密シ
ール部(2)内で行われていない場合である。FIGS. 8 to 11 show the basic form (A) of the second embodiment of the present invention.
2-1) and its modification (A2-2). In this case, a pair of projections (1) is placed in the heating element storage space (3) near the hermetic seal portion (2) of the envelope (1).
1) protrudes into the heating element storage space (3), and the end of the heating element (4)
(5) is sandwiched between the protrusions (11), and the end (C) projecting into the heating element storage space (3) of the power supply section (6) is connected to the end (5) of the heating element (4). ) And is electrically connected.
As described above, the connection between the power supply unit (6) and the heating element (4) is not performed in the hermetic seal unit (2).
【００３３】図８，９の基本形(A2-1)の場合は、突部(1
1)による挟持範囲が、発熱体(4)と給電部(6)との接続部
分(C)及び高温スポット(30)を含む場合で、給電部(6)の
接続端部(C)が突部(11)間に配設され、発熱体収納空間
(3)内に突出していない。この場合、突部(11)が高温ス
ポット(30)が発生すべき部分をカバーするので、前述の
通電性の向上と内部リード棒(7)の抜け難さ、高温スポ
ット(30)の発生抑制という作用が得られる。In the case of the basic type (A2-1) shown in FIGS.
In the case where the holding range by 1) includes the connection part (C) between the heating element (4) and the power supply unit (6) and the high-temperature spot (30), the connection end (C) of the power supply unit (6) projects. Heating element storage space arranged between
(3) Does not protrude inside. In this case, the protrusion (11) covers the portion where the high-temperature spot (30) should be generated, so that the above-described electric conduction is improved, the internal lead rod (7) is hard to come off, and the generation of the high-temperature spot (30) is suppressed. Is obtained.
【００３４】図10，11の変形例(A2-2)の場合は、突部(1
1)による挟持範囲が、発熱体(4)と給電部(6)との接続部
分(C)を含むが高温スポット(30)の発生場所を含まない
場合である。この場合は、高温スポット(30)の発生場所
を含まないが、突部(11)がある程度高温スポット(30)の
発生場所から熱を奪うので、高温スポット(30)の発生抑
制という作用が得られる。勿論、前述の通電性の向上と
内部リード棒(7)の抜け難さなどの作用も得られる。In the case of the modified example (A2-2) shown in FIGS.
The holding range according to 1) includes the connection part (C) between the heating element (4) and the power supply unit (6) but does not include the location where the high-temperature spot (30) is generated. In this case, the location where the hot spot (30) is generated is not included, but the protrusion (11) removes the heat from the location where the hot spot (30) is generated to some extent, so that the effect of suppressing the generation of the hot spot (30) is obtained. Can be Needless to say, the above-described effects such as improvement of the electrical conductivity and difficulty in removing the internal lead bar (7) can be obtained.
【００３５】図12，13は本発明の第３実施例(A3)で、こ
の場合は発熱体(4)の端部(5)のみが突部(11)間に配設さ
れ、給電部(6)の接続端部(C)が突部(11)間から気密シー
ル部(2)側に突きだした部分のみに接続しており、突部
(11)間に挟持されていない場合である。「外側近傍部
分」は、高温スポット(30)の発生領域を指し、突部(11)
で挟持する事でこの部分の熱を突部(11)で吸収し、高温
スポット(30)の発生を抑制する。なお、発熱体(4)の端
部(5)は突部(11)間に挟持されているので、固定される
事になる。一方、給電部(6)の内部リード棒(7)はある程
度太い棒材であるから、発熱体(4)の端部(5)が固定され
ている以上、内部リード棒(7)が外部振動により端部(5)
から脱落する事もない。FIGS. 12 and 13 show a third embodiment (A3) of the present invention. In this case, only the end (5) of the heating element (4) is disposed between the projections (11), The connection end (C) of (6) is connected only to the part protruding toward the hermetic seal part (2) from between the protrusions (11).
(11) It is a case where it is not sandwiched between. "Outside vicinity" refers to the area where the hot spot (30) is generated, and the protrusion (11)
The heat of this portion is absorbed by the protrusions (11), thereby suppressing the generation of the high-temperature spot (30). Since the end (5) of the heating element (4) is sandwiched between the protrusions (11), it is fixed. On the other hand, since the inner lead rod (7) of the power supply section (6) is a somewhat thick rod material, the inner lead rod (7) is not vibrated as long as the end (5) of the heating element (4) is fixed. By end (5)
There is no drop off from.
【００３６】図14は本発明の第４実施例(A4)で、この場
合は給電部(6)の内部リード棒(7)の挿入端(C)に係止部
(7a)を形成した例であり、係止部(7a)の存在により発熱
体(4)との密着性が向上し導通が良くなると同時に抜け
にくくなる。係止部(7a)は図のように挿入端(C)を屈曲
させて蛇行させたものに限られず、一部を切欠又は切り
起こして係止部(7a)としたものなど各種のものが考えら
れる。FIG. 14 shows a fourth embodiment (A4) of the present invention. In this case, a locking portion is fitted to the insertion end (C) of the internal lead rod (7) of the power feeding portion (6).
This is an example in which (7a) is formed. Due to the presence of the locking portion (7a), the adhesion to the heating element (4) is improved and conduction is improved, and at the same time, it is difficult to remove. The locking part (7a) is not limited to the one in which the insertion end (C) is bent and meandered as shown in the figure, and various types such as one in which a part is cut or cut and raised to form the locking part (7a). Conceivable.
【００３７】なお、給電部(6)と発熱体(4)との接続は、
内部リード棒(7)を発熱体(4)の端部(5)に差し込む形式
のものを中心に説明したが、これだけに限られず、例え
ば、内部リード棒(7)の代わりに二つ折りの内部リード
プレート(図示せず)のようなものを用意し、発熱体(4)
の端部(5)を挟持するようにしてもよい。The connection between the power supply section (6) and the heating element (4) is as follows.
Although the description has centered on the type in which the internal lead rod (7) is inserted into the end (5) of the heating element (4), the present invention is not limited to this.For example, instead of the internal lead rod (7), a two-fold internal Prepare something like a lead plate (not shown) and set the heating element (4)
May be pinched.
【００３８】[0038]
【発明の効果】本発明に係るヒータは、発熱体の端部と
給電部の端部とが互いに気密シール部内或いは突部間で
接続され且つ給電部の接続端が発熱体収納空間内に突出
していないので、発熱体の埋設端と給電部の一端が互い
により良く密着して接触抵抗が低下し、従来例のような
高温スポットの発生が解消されるため長時間の使用にお
いても発熱体の断線を生じることがない。また、これと
同時に発熱体の埋設端が気密シール部に拘束されて抜け
にくくなり、耐振性が格段に向上する。In the heater according to the present invention, the end of the heating element and the end of the power supply section are connected to each other within the hermetic seal portion or between the projections, and the connection end of the power supply section protrudes into the heating element housing space. Since the buried end of the heating element and one end of the power supply section are in better contact with each other, the contact resistance is reduced, and the occurrence of a high-temperature spot as in the conventional example is eliminated. There is no disconnection. At the same time, the buried end of the heating element is restrained by the hermetic seal portion and becomes difficult to come off, so that the vibration resistance is remarkably improved.
【００３９】又、発熱体の端部と給電部の端部との接続
部に近接する部分を突部で挟持した場合でも、高温スポ
ット部分の熱が突部に吸収されることになるので、高温
スポットの発生が抑制される。Further, even when a portion close to the connection between the end of the heating element and the end of the power supply portion is sandwiched by the protrusion, the heat of the high-temperature spot portion is absorbed by the protrusion. The generation of hot spots is suppressed.
【００４０】また、気密シール部により強く押圧して形
成される圧着部分を設けることで接触抵抗の更なる低下
と耐振性の向上を得る事が出来るし、給電部に係合部を
設けることで、より強い耐振性を付与する事が出来る。Further, by providing a crimping portion formed by strongly pressing the airtight seal portion, it is possible to further reduce the contact resistance and to improve the vibration resistance, and to provide an engaging portion in the power supply portion. , It can provide stronger vibration resistance.
【図１】本発明に係るヒータの第１実施例の基本形の部
分中央断面図FIG. 1 is a partial central sectional view of a basic type of a first embodiment of a heater according to the present invention.
【図２】図１の直角方向の中央断面図FIG. 2 is a central cross-sectional view in a direction perpendicular to FIG. 1;
【図３】本発明に係るヒータの第１実施例の変形例の中
央断面図FIG. 3 is a central sectional view of a modification of the first embodiment of the heater according to the present invention.
【図４】図３の直角方向の中央断面図FIG. 4 is a central sectional view in a direction perpendicular to FIG. 3;
【図５】本発明に係るヒータの第１実施例の他の変形例
の部分中央断面図FIG. 5 is a partial center sectional view of another modification of the first embodiment of the heater according to the present invention.
【図６】図５の直角方向の中央断面図FIG. 6 is a central sectional view in the perpendicular direction of FIG. 5;
【図７】本発明に係るヒータの第１実施例の更に他の変
形例である片口タイプの中央断面図FIG. 7 is a central sectional view of a one-sided type as still another modification of the first embodiment of the heater according to the present invention.
【図８】本発明に係るヒータの第２実施例の基本形の部
分中央断面図FIG. 8 is a partial center sectional view of a basic type of a second embodiment of the heater according to the present invention.
【図９】図８の直角方向の中央断面図FIG. 9 is a central sectional view in a direction perpendicular to FIG. 8;
【図１０】本発明に係るヒータの第２実施例の変形例の
部分中央断面図FIG. 10 is a partial center sectional view of a modification of the second embodiment of the heater according to the present invention.
【図１１】図１０の直角方向の中央断面図FIG. 11 is a central cross-sectional view in a direction perpendicular to FIG. 10;
【図１２】本発明に係るヒータの第３実施例の部分中央
断面図FIG. 12 is a partial center sectional view of a third embodiment of the heater according to the present invention.
【図１３】図１２の直角方向の中央断面図FIG. 13 is a central cross-sectional view in a direction perpendicular to FIG. 12;
【図１４】本発明に係るヒータの第４実施例の部分中央
断面図FIG. 14 is a partial center sectional view of a fourth embodiment of the heater according to the present invention.
【図１５】従来ヒータの部分中央断面図FIG. 15 is a partial center sectional view of a conventional heater.
(A)…ヒータ (1)…外囲器 (2)…気密シール部 (3)…発熱体収納空間 (4)…発熱体 (5)…埋設端 (6)…給電部 (A) Heater (1) Enclosure (2) Airtight seal (3) Heating element storage space (4) Heating element (5) Buried end (6) Power supply
───────────────────────────────────────────────────── フロントページの続き (72)発明者 笠原 正英 神奈川県綾瀬市大上５丁目12番１号 ソー ラム株式会社内 Ｆターム(参考） 3K092 QA01 QB16 QC02 QC37 QC38 QC42 QC51 QC59 RA02 RA03 RB14 RD11 TT24 VV28 VV40 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Masahide Kasahara 5-12-1, Ogami, Ayase-shi, Kanagawa F-term in SORAM CORPORATION (reference) 3K092 QA01 QB16 QC02 QC37 QC38 QC42 QC51 QC59 RA02 RA03 RB14 RD11 TT24 VV28 VV40
Claims (5)
空間を有し、端部に気密シール部が形成されている外囲
器と、(b) 前記発熱体収納空間内に収納され、その両
端部分が前記気密シール部内に埋設されている炭素繊維
体からなる発熱体と、(C) その一部が気密シール部に
埋設され且つ前記埋設部分において発熱体の埋設部分に
接続され、他端が気密シール部から外部に導出されてい
る給電部とで構成されている事を特徴とするヒータ。1. An enclosure having a heating element storage space in a non-oxidizing atmosphere inside and an airtight seal formed at an end, and (b) an enclosure inside the heating element storage space. A heating element made of a carbon fiber body whose both end portions are embedded in the hermetic seal portion, and (C) a part thereof is embedded in the hermetic seal portion and connected to the embedded portion of the heating element at the embedded portion. And a power supply section whose other end is led out of the hermetic seal section to the outside.
ール部の圧着部分に配設されている事を特徴とする請求
項１に記載のヒータ。2. The heater according to claim 1, wherein a connection portion between the heating element and the power supply portion is disposed at a press-fit portion of the hermetic seal portion.
空間を有し、端部に気密シール部が形成されている外囲
器と、(b) 前記発熱体収納空間内に収納され、その両
端部分が前記外囲器に形成された突部間に挟持されてい
る炭素繊維体からなる発熱体と、(c) その一部が発熱
体収納空間内に突出し、前記突部間に挟持されている発
熱体の被挟持部分において接続され、他端が気密シール
部から外部に導出されている給電部とで構成されている
事を特徴とするヒータ。3. An enclosure having a heating element storage space in a non-oxidizing atmosphere inside, and an airtight seal portion formed at an end, and (b) an enclosure inside the heating element storage space. (C) a heating element made of a carbon fiber body whose both end portions are sandwiched between projections formed in the envelope; and (c) a part thereof projects into the heating element housing space, and A heater connected to a portion of the heating element sandwiched between the heating element and a power supply portion having the other end led out of the hermetic seal portion to the outside.
空間を有し、端部に気密シール部が形成されている外囲
器と、(b) 前記発熱体収納空間内に収納され、その両
端部分が前記外囲器に形成された突部間に挟持されてい
る炭素繊維体からなる発熱体と、(c) その一部が発熱
体収納空間内に突出し、前記突部間に挟持されている発
熱体の被挟持部分の外側近傍部分において接続され、他
端が気密シール部から外部に導出されている給電部とで
構成されている事を特徴とするヒータ。4. An enclosure having a heating element storage space of a non-oxidizing atmosphere inside and an airtight seal formed at an end, and (b) an enclosure inside the heating element storage space. (C) a heating element made of a carbon fiber body whose both end portions are sandwiched between projections formed in the envelope; and (c) a part thereof projects into the heating element housing space, and A heater connected at a portion near the outside of the held portion of the heating element sandwiched between the heating element and the other end thereof, and a power supply portion led out from the hermetic seal portion to the outside.
が形成されている事を特徴とする請求項１〜４に記載の
ヒータ。5. The heater according to claim 1, wherein a locking portion is formed at a portion of the power supply portion connected to the heating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000365422A JP3834474B2 (en) | 2000-11-30 | 2000-11-30 | heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000365422A JP3834474B2 (en) | 2000-11-30 | 2000-11-30 | heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002170653A true JP2002170653A (en) | 2002-06-14 |
| JP3834474B2 JP3834474B2 (en) | 2006-10-18 |
Family
ID=18836193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000365422A Expired - Fee Related JP3834474B2 (en) | 2000-11-30 | 2000-11-30 | heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3834474B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006127837A (en) * | 2004-10-27 | 2006-05-18 | Sooramu Kk | Heater |
| KR100657469B1 (en) | 2004-07-21 | 2006-12-13 | 엘지전자 주식회사 | Twist type Carbon filament structure of carbon heater |
| KR100657470B1 (en) * | 2004-07-27 | 2006-12-13 | 엘지전자 주식회사 | Structure for connecting carbon filament of carbon heater |
| KR100673440B1 (en) | 2004-07-27 | 2007-01-24 | 엘지전자 주식회사 | Structure for supporting carbon filament of carbon heater |
-
2000
- 2000-11-30 JP JP2000365422A patent/JP3834474B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100657469B1 (en) | 2004-07-21 | 2006-12-13 | 엘지전자 주식회사 | Twist type Carbon filament structure of carbon heater |
| KR100657470B1 (en) * | 2004-07-27 | 2006-12-13 | 엘지전자 주식회사 | Structure for connecting carbon filament of carbon heater |
| KR100673440B1 (en) | 2004-07-27 | 2007-01-24 | 엘지전자 주식회사 | Structure for supporting carbon filament of carbon heater |
| JP2006127837A (en) * | 2004-10-27 | 2006-05-18 | Sooramu Kk | Heater |
| JP4596882B2 (en) * | 2004-10-27 | 2010-12-15 | ソーラム株式会社 | heater |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3834474B2 (en) | 2006-10-18 |
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