JP2006511906A - 物体の誘導・抵抗加熱用装置 - Google Patents
物体の誘導・抵抗加熱用装置 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/74—Heating or cooling of the injection unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/865—Heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
- H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/14—Tools, e.g. nozzles, rollers, calenders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0811—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using induction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/02—Induction heating
- H05B2206/024—Induction heating the resistive heat generated in the induction coil is conducted to the load
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Induction Heating (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Resistance Heating (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
Abstract
Description
本発明は、物体を加熱する装置に関する。より具体的には、本発明は、物体を誘導加熱及び抵抗加熱の両方で加熱する装置に関する。本発明は、プラスチック及び金属のような溶融材料を処理するための大きいチューブ状物体(例えば、押出機及び射出成形機のような機械のバレル及びノズル)を加熱するのに特に有用である。
図1を参照するに、従来技術による、典型的な抵抗加熱回路10が、示されている。電源12が、通常はライン周波数の、DC電圧又はAC電圧を、ヒータコイル14へ供給し得、そのヒータコイル14は、被加熱物品20に極めて近接して巻き付けられている。通常、ヒータコイル14は、絶縁体18を備えている電気抵抗素子で作られており、その絶縁体18は、電気抵抗素子を短絡から防ぐために使用されている。ヒータコイル全体をカバー16内に入れてモジュール加熱組立体を形成することも、一般的である。従来技術は、熱を材料に加えて被加熱物品20の温度を所定のレベルまで上昇させる方法の例を、たっぷり備えている。これらの例の大部分は、抵抗熱発生器即ちオーム熱発生器であって、加熱されるべき物品との機械的且つ熱的な伝達状態にあるものの使用に集中している。
流動性材料を加熱する装置が、提供される。その装置は、コアであって、このコアの中に形成されている、流動性材料の輸送用の通路を有しているものと、螺旋パターンにおいて、コアに凭れるようにして、多数のターン数でコイル状にされている電気素子とを具備している。電気素子は、使用時において、コアを抵抗加熱及び誘導加熱の両方で加熱する。電気素子は、補助冷却能力を有していない。
図3を参照するに、本発明の例示としての実施形態41の単純化された図が、概略的に示されている。電源42は、ヒータコイル44へ交流電流を供給し、そのヒータコイル44は、本体20a及び20bの周りに巻き付けられていると共に、それらの本体20a及び20bとの伝達状態にある。好適な実施形態においては、但しそれに限定されないが、コイル42は、本体20a及び20bの間に形成されている溝46内に配置されており、その溝46は、閉磁気構造体を形成している。交流電流がコイル44に加えられると、矢印40a及び40bによって示されている磁力線が、発生する。本体の周囲全体の周りには複数の磁力線(簡単化のために、2つの磁力線40a及び40bが示されている)が発生する、ということが、留意されるべきである。これらの磁力線は、本体20a及び20b内に渦電流を発生し、この渦電流は、前述した表皮効果原理に従って熱を発生する。好適な実施形態においては、本体20a及び20bは、磁力線20a及び20bを最大にして可能な限り大きな熱を発生すべく、最善の状態に設計され得る。更に、コイル44は、本体20a及び20bとの熱伝達状態にあり、もって、コイル44内で発生する抵抗熱は、本体へ伝導する。
Icoil=ヒータコイル電流
n=ヒータコイルのターン数
d=コイルワイヤの直径
Ro=ヒータコイルの半径
l=コイルの長さ
ρcoil=ヒータコイルの抵抗率
ccoil=ヒータコイルの比熱
γcoil=コイルの密度
hy=外側チューブの厚さ
Dh=溶融チャンネルの直径
μsubstrate=基材の透磁率
csubstrate=基材の比熱
γsubstrate=基材の固有密度
f−交流の周波数
ΔT−温度上昇
Pcombo=Q(resistive)+Q(inductive)
Pcombo=Ic 2Rc+Iec 2Rec
式中、
Q=熱エネルギ
Pcombo=誘導加熱及び抵抗加熱の組合せによって発生されるエネルギの量
Ic=加熱コイル内の全電流
Rc=誘導コイルの抵抗
Iec=被加熱物品内の全等価渦電流
Rec=被加熱物品内の等価渦電流抵抗
Claims (26)
- 流動性材料を加熱する装置であって、
外面を有しているコアであって、このコアの中に形成されている、流動性材料の輸送用の通路を有しているものと、
螺旋パターンにおいて、コアに凭れるようにして、多数のターン数でコイル状にされている電気素子であって、使用時においてコアを抵抗加熱及び誘導加熱の両方で加熱すると共に、補助冷却能力を有していないものと、
を具備している装置。 - コアの外面が、少なくとも1つの溝であって、電気素子を受容するものを有している請求項1に記載の装置。
- 電気素子が、熱伝導性でもある電気絶縁材料によって取り囲まれている導体と、電気絶縁材料の周りの金属シースとを有している請求項2に記載の装置。
- 導体が、ニッケルクロム合金で作られている請求項3に記載の装置。
- 溝が、輪郭を有しており、且つ、シースの少なくとも部分が、その輪郭と一致している請求項3に記載の装置。
- 溝が、実質的に垂直な壁部であって、電気素子を溝内に保持すべく、シースと協働するものを有している請求項5に記載の装置。
- 溝が、電気素子の外面がコアの外面とほぼ面一となるように、十分に深い請求項2に記載の装置。
- コアの周りに配置されているヨークを更に具備している請求項7に記載の装置。
- コアとヨークとが、強磁性体で作られている請求項8に記載の装置。
- ヨークが、電気素子にぴったりと嵌合するスリーブから成っている請求項8に記載の装置。
- スリーブが、コアよりもかなり薄い請求項10に記載の装置。
- スリーブが、コアとほぼ同じ厚さである請求項10に記載の装置。
- 電気素子の外面が、コアの外面を越えて延びている請求項1に記載の装置。
- コアの外面が、少なくとも1つの螺旋溝であって、電気素子を受容するものを有している請求項13に記載の装置。
- 電気素子の外面とコアの外面との上に付着させられている金属合金で作られている被覆を更に具備している請求項13に記載の装置。
- コイル状の電気素子の各ターンの間に適用されているスペーサ素子を更に具備している請求項13に記載の装置。
- スペーサが、アニールされた強磁性合金から成っている請求項16に記載の装置。
- コアの上に組み込まれているスリーブを更に具備しており、電気素子及びスペーサ素子は、コアの周りに配置されており、もって、スペーサ素子及び電気素子は、スリーブとコアとの間に収容されている請求項16に記載の装置。
- 電気素子が、コアの外面に付着させられており、電気素子は、コアの外面の少なくとも部分に施されている第1絶縁層と、第1絶縁層上に螺旋パターンで付着させられている加熱素子と、加熱素子の上に、それを封入すべく、付着させられている第2絶縁層とを具備している請求項1に記載の装置。
- 第2絶縁層が、コアの外面と面一になるべく仕上げられている請求項19に記載の装置。
- コアの上に組み込まれているスリーブを更に具備している請求項20に記載の装置。
- コアが、外面に螺旋溝を有しており、且つ、電気素子が、螺旋溝内に付着させられている請求項19に記載の装置。
- 複数の電気素子が、多層コイルを形成すべく、付着させられている請求項19に記載の装置。
- 流動性材料を加熱する装置であって、
内面と、この内面に隣接している耐磨耗ライナとを有しているコアであって、このコアの中に形成されている、流動性材料の輸送用の通路を有しているものと、
コアの内面においてコアに凭れるようにして、多数のターン数でコイル状にされている電気素子であって、使用時においてコアを抵抗加熱及び誘導加熱の両方で加熱すると共に、補助冷却能力を有していないものと、
を具備している装置。 - 電気素子が、ライナ内に埋設されており、且つ、ライナが、電気素子の外面とコアの外面との上に付着させられている金属合金で作られている被覆から成っている請求項24に記載の装置。
- ライナが、流動性材料が通過するところの滑らかな内腔を形成すべく仕上げられている請求項25に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/327,442 US6717118B2 (en) | 2001-06-26 | 2002-12-21 | Apparatus for inductive and resistive heating of an object |
PCT/CA2003/001707 WO2004057918A1 (en) | 2002-12-21 | 2003-11-05 | Apparatus for inductive and resistive heating of an object |
Publications (2)
Publication Number | Publication Date |
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JP2006511906A true JP2006511906A (ja) | 2006-04-06 |
JP4083170B2 JP4083170B2 (ja) | 2008-04-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004560939A Expired - Fee Related JP4083170B2 (ja) | 2002-12-21 | 2003-11-05 | 物体の誘導・抵抗加熱用装置 |
Country Status (8)
Country | Link |
---|---|
US (2) | US6717118B2 (ja) |
EP (1) | EP1582092B1 (ja) |
JP (1) | JP4083170B2 (ja) |
AT (1) | ATE472240T1 (ja) |
AU (1) | AU2003283108B2 (ja) |
CA (1) | CA2504939C (ja) |
DE (1) | DE60333126D1 (ja) |
WO (1) | WO2004057918A1 (ja) |
Cited By (5)
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JP2013058437A (ja) * | 2011-09-09 | 2013-03-28 | Kunimitsu Inoue | 加圧流体の電気加熱装置 |
JP2016167460A (ja) * | 2016-04-27 | 2016-09-15 | 國光 井上 | 電気加熱装置 |
JP2019129085A (ja) * | 2018-01-25 | 2019-08-01 | 新熱工業株式会社 | 発熱体、流体加熱器、及び、発熱体の製造方法 |
KR102544714B1 (ko) * | 2022-08-29 | 2023-06-20 | 주식회사 제이스 | 인덕션 보일러모듈 및 이를 이용한 인덕션 보일러시스템 |
JP7498469B1 (ja) | 2023-10-12 | 2024-06-12 | 國光 井上 | 電気抵抗電磁誘導加熱装置 |
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- 2003-11-05 JP JP2004560939A patent/JP4083170B2/ja not_active Expired - Fee Related
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- 2003-11-05 EP EP03773383A patent/EP1582092B1/en not_active Expired - Lifetime
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013058437A (ja) * | 2011-09-09 | 2013-03-28 | Kunimitsu Inoue | 加圧流体の電気加熱装置 |
JP2016167460A (ja) * | 2016-04-27 | 2016-09-15 | 國光 井上 | 電気加熱装置 |
JP2019129085A (ja) * | 2018-01-25 | 2019-08-01 | 新熱工業株式会社 | 発熱体、流体加熱器、及び、発熱体の製造方法 |
KR102544714B1 (ko) * | 2022-08-29 | 2023-06-20 | 주식회사 제이스 | 인덕션 보일러모듈 및 이를 이용한 인덕션 보일러시스템 |
JP7498469B1 (ja) | 2023-10-12 | 2024-06-12 | 國光 井上 | 電気抵抗電磁誘導加熱装置 |
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EP1582092B1 (en) | 2010-06-23 |
US7041944B2 (en) | 2006-05-09 |
EP1582092A1 (en) | 2005-10-05 |
JP4083170B2 (ja) | 2008-04-30 |
CA2504939A1 (en) | 2004-07-08 |
DE60333126D1 (de) | 2010-08-05 |
AU2003283108B2 (en) | 2007-04-26 |
US20040256382A1 (en) | 2004-12-23 |
CA2504939C (en) | 2009-06-02 |
WO2004057918A1 (en) | 2004-07-08 |
ATE472240T1 (de) | 2010-07-15 |
US20030121908A1 (en) | 2003-07-03 |
US6717118B2 (en) | 2004-04-06 |
AU2003283108A1 (en) | 2004-07-14 |
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