EP0577468B1 - Perfectionnements apportés aux bobines de système de chauffage par induction - Google Patents
Perfectionnements apportés aux bobines de système de chauffage par induction Download PDFInfo
- Publication number
- EP0577468B1 EP0577468B1 EP93401582A EP93401582A EP0577468B1 EP 0577468 B1 EP0577468 B1 EP 0577468B1 EP 93401582 A EP93401582 A EP 93401582A EP 93401582 A EP93401582 A EP 93401582A EP 0577468 B1 EP0577468 B1 EP 0577468B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conductors
- tube
- cooling
- heating coil
- wound around
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims description 17
- 230000006698 induction Effects 0.000 title description 2
- 239000004020 conductor Substances 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 16
- 230000005674 electromagnetic induction Effects 0.000 claims description 5
- 239000012809 cooling fluid Substances 0.000 claims description 3
- 239000011295 pitch Substances 0.000 claims 3
- 239000002826 coolant Substances 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- H05B6/36—Coil arrangements
-
- 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
- H05B6/36—Coil arrangements
- H05B6/42—Cooling of coils
Definitions
- the present invention relates to improvements brought to the realization of the coils used in the electro-magnetic induction heating systems.
- EP-A-0 462 011 discloses a coil of electro-magnetic induction heating, in which the conductors are cooled using a tube in which circulates a coolant, and around which are housed in conductive strands, this tube being in thermal contact with these conductors which are twisted simultaneously with the tube on at least half a turn to form the coil.
- the present invention relates to an electromagnetic induction heating coil, especially for heating products metallurgical, in which the conductors are cooled using a tube in which a cooling fluid circulates thermal contact of the conductors, characterized in that said conductors form at least one ply and are wound in a helix around the tube cooling so that there are four steps per meter and that said at least one tablecloth has at least one full pitch twist between the two electrical terminals of the coil.
- the conductors are wrapped around the cooling tube according to several crossed layers, superimposed and wound in reverse pitch propellers.
- the conductors are wrapped around the cooling tube according to several layers which are braided on said tube.
- the tube is shown at 10 in which circulates a coolant and on contact of which the coil conductors are positioned.
- This tube 10 can have any appropriate section such as for example circular, square, rectangular, etc.
- these conductors 12 which can be of any suitable type (section circular, square, rectangular, etc.) are wound in helix, in a sheet, around the cooling tube 10. The winding is carried out so that there are four steps per meter and that the sheet of conductors 10 has at least one twist of a full pitch between two electrical terminals (not shown) of the coil.
- the arrangement adopted by the present invention it is performs a natural and unconstrained twist of the conductors around the cooling tube which reduces fragility of these drivers.
- the coil conductors are wrapped around the tube cooling 10 according to several crossed plies, two plies crossed 14 and 16 in this example, which are superimposed and wound in a helix of opposite pitch around the tube 10.
- the conductors are wound in helices around the tube cooling using braided plies 18 and 20. We obtain thus an analogous electrical behavior of each layer of driver compared to the other.
- the coil induction heating can consist of several tubes cooling as described above, supporting the conductors and which are wound in parallel by undergoing the necessary transpositions well known to those skilled in the art.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
Description
Claims (5)
- Bobine de chauffage par induction électro-magnétique, notamment pour le chauffage de produits métallurgiques, dans laquelle les conducteurs (12) sont refroidis à l'aide d'un tube (10) dans lequel circule un fluide de refroidissement au contact thermique des conducteurs (12), caractérisée en ce que lesdits conducteurs (12) forment au moins une nappe (14, 16, 18, 20) et sont enroulés en hélice autour du tube de refroidissement (10) de manière qu'il existe quatre pas par mètre et que ladite au moins une nappe (14, 16, 18, 20) présente au moins un vrillage d'un pas complet entre les deux bornes électriques de la bobine.
- Bobine de chauffage selon la revendication 1, caractérisée en ce que les conducteurs sont enroulés autour du tube de refroidissement selon plusieurs nappes (14, 16) croisées, superposées et enroulées en hélices de pas inverses.
- Bobine de chauffage selon la revendication 1, caractérisée en ce que les conducteurs sont enroulés autour du tube de refroidissement selon une ou plusieurs nappes (18, 20) qui sont tressées sur ledit tube.
- Bobine de chauffage selon l'une quelconque des revendications précédentes, caractérisée en ce que le tube (10) dans lequel circule le fluide de refroidissement est de section droite circulaire ou carrée ou rectangulaire.
- Bobine de chauffage selon l'une des revendications précédentes, caractérisée en ce que les conducteurs (12) enroulés autour du tube de refroidissement (10) présentent une section droite circulaire ou carrée ou rectangulaire.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR929207738A FR2693072B1 (fr) | 1992-06-24 | 1992-06-24 | Perfectionnements apportés aux bobines de système de chauffage par induction. |
| FR9207738 | 1992-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0577468A1 EP0577468A1 (fr) | 1994-01-05 |
| EP0577468B1 true EP0577468B1 (fr) | 1998-11-18 |
Family
ID=9431131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93401582A Expired - Lifetime EP0577468B1 (fr) | 1992-06-24 | 1993-06-21 | Perfectionnements apportés aux bobines de système de chauffage par induction |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5430274A (fr) |
| EP (1) | EP0577468B1 (fr) |
| JP (1) | JP3381965B2 (fr) |
| DE (1) | DE69322134T2 (fr) |
| ES (1) | ES2123624T3 (fr) |
| FR (1) | FR2693072B1 (fr) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995035014A1 (fr) * | 1994-06-13 | 1995-12-21 | Otto Junker Gmbh | Bobine d'induction a faibles pertes pour le chauffage et/ou la fusion de matieres metalliques |
| US5781581A (en) * | 1996-04-08 | 1998-07-14 | Inductotherm Industries, Inc. | Induction heating and melting apparatus with superconductive coil and removable crucible |
| DE19807099C2 (de) * | 1998-02-20 | 2000-02-17 | G H Induction Deutschland Indu | Induktive Erwärmung von Metallen |
| DE19839987C2 (de) * | 1998-09-02 | 2000-07-06 | Siemens Ag | Direktgekühlte Magnetspule, insbesondere Gradientenspule, sowie Verfahren zur Herstellung von Leitern dazu |
| SE516442C2 (sv) * | 2000-04-28 | 2002-01-15 | Abb Ab | Stationär induktionsmaskin och kabel därför |
| ES2332906T3 (es) * | 2000-05-22 | 2010-02-15 | Haimer Gmbh | Dispositivo de retraccion para un porta-herramientas. |
| US6727483B2 (en) * | 2001-08-27 | 2004-04-27 | Illinois Tool Works Inc. | Method and apparatus for delivery of induction heating to a workpiece |
| US8038931B1 (en) * | 2001-11-26 | 2011-10-18 | Illinois Tool Works Inc. | On-site induction heating apparatus |
| US20050230379A1 (en) * | 2004-04-20 | 2005-10-20 | Vianney Martawibawa | System and method for heating a workpiece during a welding operation |
| JPWO2005104622A1 (ja) * | 2004-04-23 | 2008-03-13 | 独立行政法人科学技術振興機構 | コイル装置及び磁界発生装置 |
| KR101523382B1 (ko) * | 2008-11-10 | 2015-06-01 | 엘지전자 주식회사 | 냉매가열장치 |
| FR2944942B1 (fr) * | 2009-04-23 | 2011-07-22 | Fives Celes | Dispositif de chauffage par inducteur de puissance, inducteur de puissance, et four ainsi equipe |
| US8436706B2 (en) * | 2009-05-26 | 2013-05-07 | Parker-Hannifin Corporation | Pumped loop refrigerant system for windings of transformer |
| US20100315161A1 (en) * | 2009-06-16 | 2010-12-16 | Advanced Energy Industries, Inc. | Power Inductor |
| RU2496281C1 (ru) * | 2012-03-07 | 2013-10-20 | Сергей Геннадьевич Конесев | Способ монтажа индуктора на протяженных объектах |
| US20190244726A1 (en) * | 2018-02-02 | 2019-08-08 | Averatek Corporation | Maximizing surfaces and minimizing proximity effects for electric wires and cables |
| KR102796849B1 (ko) * | 2019-12-12 | 2025-04-15 | 현대자동차주식회사 | 고체수소 저장 시스템 |
| KR102483820B1 (ko) * | 2022-08-31 | 2023-01-03 | (주)킴스유비큐 | 전기자동차 초급속 충전기용 냉각케이블 조립체 |
| CN119155836A (zh) * | 2024-10-30 | 2024-12-17 | 镇江东方电热有限公司 | 一种电磁感应线圈内置的电磁加热器及使用方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE507556C (de) * | 1927-06-11 | 1930-09-18 | Siemens & Halske Akt Ges | Hochfrequenz-Induktionsofen |
| US2747068A (en) * | 1951-08-28 | 1956-05-22 | Robert V Lackner | Induction heating apparatus |
| US3260792A (en) * | 1962-02-05 | 1966-07-12 | Kreisel Otto | Metal braided induction heating conductor coil |
| NL296248A (fr) * | 1962-08-09 | |||
| BE645963A (fr) * | 1964-03-31 | 1964-09-30 | Acec | Inducteur à conducteur flexible |
| FR1542715A (fr) * | 1967-09-06 | 1968-10-18 | Quartex Soc Pour L Applic Des | Perfectionnements aux inducteurs pour chauffage haute fréquence |
| US3492453A (en) * | 1968-09-17 | 1970-01-27 | Combustion Eng | Small diameter induction heater having fluid cooled coil |
| US3946349A (en) | 1971-05-03 | 1976-03-23 | The United States Of America As Represented By The Secretary Of The Air Force | High-power, low-loss high-frequency electrical coil |
| JPS603755B2 (ja) * | 1979-05-23 | 1985-01-30 | 株式会社明電舎 | 高周波加熱装置の接続導体 |
| GB2130860A (en) * | 1982-11-12 | 1984-06-06 | Atomic Energy Authority Uk | Induced current heating probe |
| DE3939017C2 (de) * | 1988-12-15 | 1998-07-02 | Blum Gmbh & Co E | Induktiv beheizbare Vorrichtung |
| FR2663490B1 (fr) * | 1990-06-15 | 1992-09-11 | Rotelec Sa | Bobine de chauffage inductif. |
-
1992
- 1992-06-24 FR FR929207738A patent/FR2693072B1/fr not_active Expired - Lifetime
-
1993
- 1993-06-21 ES ES93401582T patent/ES2123624T3/es not_active Expired - Lifetime
- 1993-06-21 DE DE69322134T patent/DE69322134T2/de not_active Expired - Lifetime
- 1993-06-21 EP EP93401582A patent/EP0577468B1/fr not_active Expired - Lifetime
- 1993-06-24 JP JP15331493A patent/JP3381965B2/ja not_active Expired - Lifetime
-
1994
- 1994-10-07 US US08/319,476 patent/US5430274A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2693072B1 (fr) | 1994-09-02 |
| US5430274A (en) | 1995-07-04 |
| DE69322134T2 (de) | 1999-05-06 |
| ES2123624T3 (es) | 1999-01-16 |
| EP0577468A1 (fr) | 1994-01-05 |
| JP3381965B2 (ja) | 2003-03-04 |
| DE69322134D1 (de) | 1998-12-24 |
| JPH0636869A (ja) | 1994-02-10 |
| FR2693072A1 (fr) | 1993-12-31 |
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