WO2003073796A1 - Bobine de chauffage par induction par la surface diametrale interieure - Google Patents

Bobine de chauffage par induction par la surface diametrale interieure Download PDF

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Publication number
WO2003073796A1
WO2003073796A1 PCT/JP2003/002191 JP0302191W WO03073796A1 WO 2003073796 A1 WO2003073796 A1 WO 2003073796A1 JP 0302191 W JP0302191 W JP 0302191W WO 03073796 A1 WO03073796 A1 WO 03073796A1
Authority
WO
WIPO (PCT)
Prior art keywords
induction heating
heating coil
inner diameter
surface induction
conductor
Prior art date
Application number
PCT/JP2003/002191
Other languages
English (en)
Japanese (ja)
Inventor
Sakae Yamauchi
Hajime Tomita
Original Assignee
Spc Electronics Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Spc Electronics Corporation filed Critical Spc Electronics Corporation
Priority to KR1020047013475A priority Critical patent/KR100726412B1/ko
Publication of WO2003073796A1 publication Critical patent/WO2003073796A1/fr
Priority to HK05110103.8A priority patent/HK1078235A1/xx

Links

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
    • H05B6/38—Coil arrangements specially adapted for fitting into hollow spaces of workpieces
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Definitions

  • the present invention relates to an inner diameter surface induction heating coil, and more particularly, to an inner diameter side (centered on the axial direction of the cylindrical shape portion) of an object having a cylindrical shape such as a cylinder.
  • Induction heating of the inner surface (inner surface), which is the surface located on the inner side, is suitable for use in performing shrink fitting or quenching.
  • the present invention relates to an induction heating coil having an inner diameter surface suitable for use in shrink fitting one after another or quenching six open parts. Height
  • an inner surface which is a surface located on the inner side (inside) of the cylindrical portion such as a hole formed in a member in the axial direction (hereinafter simply referred to as “inner surface” as appropriate)
  • an inner diameter induction heating coil that can be used for performing shrink fitting or quenching by making it possible to perform induction heating.
  • FIGS. 1 and 2 show an example of the above-mentioned inner diameter surface induction heating coil.
  • FIG. 1 is a conceptual configuration explanatory view showing a part of a conventional inner surface induction heating coil cut away
  • FIG. 2 is a schematic perspective view of a pipe-shaped heating coil (described later).
  • This conventional inner diameter surface induction heating coil 100 is composed of a pipe-shaped heating coil 102 formed by winding a conductor having a pipe shape (for example, a metal such as copper) in a coil shape and forming the same.
  • a high-frequency current source 104 for applying a high-frequency current to the loop-shaped heating coil 102, and one end 102 a of the pipe-shaped heating coil 102 and the high-frequency current source 104 are electrically connected.
  • the other end 10 2 b of the W-shaped heating coil 10 2 and the high-frequency current source 10 4 »10 8 It is configured.
  • the cooling water is configured to flow inside the pipe-shaped heating coil 102, that is, inside the pipe forming the noise-shaped heating coil 102.
  • FIG. in order to induction-heat the inner diameter surface 110 aa of the heated object 110 in which the hole 110 a is formed as a cylindrical portion by the inner diameter surface induction heating coil 100, FIG.
  • a pipe-shaped heating coil 102 is inserted into a hole 110 formed in the object to be heated 110, and the lines 106, 108 are fed by a high-frequency current source 104.
  • a high-frequency current is applied to the pipe-shaped heating coil 102 via the heater.
  • an induced current is generated in the object to be heated 110, and the inner diameter surface 110a is induction-heated.
  • the heat generated in the heating coil 102 by applying a high-frequency current to the heating coil 102 is the cooling water flowing inside the heating coil 102. It is made to cool.
  • the present invention has been made in view of the above-mentioned problems of the conventional technology, and has as its object to improve the heating efficiency and to improve the cylindrical shape such as a hole formed in an object to be heated. It is an object of the present invention to provide an inner diameter surface induction heating coil capable of efficiently heating the inner diameter side of a site.
  • an object of the present invention is to make it possible to apply a large amount of current to perform heating with a large output so that the inner diameter side of a cylindrical portion such as a hole formed in an object to be heated is controlled. It is intended to provide an inner diameter surface induction heating coil capable of heating with a larger output than before. Disclosure of the invention
  • the present invention relates to an inner diameter surface induction heating coil for induction heating an inner diameter surface which is a surface located on the inner diameter side with respect to the axial direction of a cylindrical ⁇ ⁇ portion formed on a member. Further, it has a hollow case formed of an insulator, and a heating member made of a thin plate-shaped conductor disposed inside the case and applied with a high-frequency current.
  • the distance d between the portion of the heating member where the flow is large and the portion to be heated is remarkably compared with the inner diameter surface induction heating coil using the nope-shaped heating coil. Since the size can be reduced, the heating efficiency for the heated portion can be significantly improved. Therefore, according to the present invention, it becomes possible to efficiently heat the inner diameter side of the cylindrical ⁇ portion such as a hole formed in the object to be heated. Further, the present invention provides an inner diameter surface induction heating coil for induction heating an inner diameter surface which is a surface located on an inner diameter side centered on an axial direction of a cylindrical dog part formed in a member, And a heating member made of a conductor disposed inside the case and to which a high-frequency current is applied. Cooling water is supplied into the case where the heating member is disposed. It is intended to be supplied.
  • a large amount of cooling water can be supplied to the inside of the case where the heating member is provided, so that the cooling can be efficiently performed by the large amount of cooling water. Therefore, compared with the inner surface induction heating coil of ⁇ , it is possible to pass more high-frequency current to the heating member, and apply a large amount of current to heat with a large output. Thus, the inner diameter side of a cylindrical portion such as a hole formed in the object to be heated can be heated with a larger output than before.
  • the heating member may be constituted by a reciprocal conductor.
  • the above case is formed of a base member made of an insulator having an inner diameter side protruding portion formed at a substantially central portion of the plate portion, a large diameter bulging portion and a small diameter outer diameter side.
  • a hollow canopy member made of an insulator having a protruding portion.
  • a conductor having a pipe shape is provided as a center conductor located substantially at the center on the inner diameter side of the heating member, and the slit is formed so as to extend in the axial direction. You may.
  • the heating member may be wound into a coil and molded.
  • the heating member may be wound so as to form an extended portion extending in the axial direction of a cylindrical portion formed on the member.
  • FIG. 1 is an explanatory diagram of a conceptual configuration in which a part of a conventional inner diameter surface induction heating coil is cut away.
  • Fig. 2 is a schematic view of the configuration of the pipe-shaped heating coil.
  • FIG. 3 is an explanatory diagram of a conceptual configuration in which a part of an example of an embodiment of an inner diameter surface induction heating coil according to the present invention is cut away.
  • FIG. 4 shows another embodiment of the first conductor pipe acting as the center conductor, and only the main part centered on the first conductor pipe is shown in detail.
  • FIG. 5 shows another embodiment of the heating member, and conceptually shows only a main part centering on the heating member.
  • FIG. 6 is a perspective view showing an example of an object to be heated provided with a slit extending in the axial direction of the hole.
  • FIG. 3 is an explanatory diagram showing a conceptual configuration in which a part of an example of an embodiment of an inner diameter surface induction heating coil according to the present invention is cut away.
  • the inner surface induction heating coil 10 includes a hollow case 12 made of an insulator (for example, plastic or the like), and a conductor (for example, copper) provided inside the case 12. And a first conductor pipe 16 made of a pipe-shaped conductor (for example, a metal such as copper) inserted through the case 12; A second conductor pipe 18 made of a pipe-shaped conductor (for example, a metal such as copper) passed through the case 12 and a high-frequency current source 2 for applying a high-frequency current to the heating member 14 0, electrical connection 22 between the heating member 14 and the first conductor pipe 16; electrical connection 22 between the heating member 14 and the second conductor pipe 18; The line 26 electrically connects the 1 conductor pipe 16 to the high frequency current source 20 and the 2nd conductor pipe 18 Electrically connecting the wave current source 2 0
  • Reference numerals 30 and 32 denote base member 12-1 (described later) and cover member 12.
  • Reference numeral 34 denotes a 0 ring that holds the base member 12-1 and the cover member 12-2 in a watertight manner
  • reference numeral 36 denotes a bolt.
  • Reference numeral 38 denotes an O-ring that keeps the space between the pace member 12-1 and the second conductor pipe 18 watertight.
  • the case 12 includes a base member 12-1 made of an insulator having an inner diameter side protruding portion 12-1b formed at a substantially central portion of the plate portion 12-1a, A hollow cano made of an insulator having 12-2a and a small-diameter outer-side protrusion 12-2b is composed of "one member 12-2. That is, the case 12 is a pace member 12 It can be divided into two parts-1 and force bar member 12-2.
  • the base member 12-1 and the force-par member 12-2 are composed of the base member 12-1 having an inner diameter side protruding portion 12-lb and the cover member 12-2 having an outer diameter side protruding portion 12-2 b
  • the inner diameter side protruding portion 12-1b and the bulging portion 12-2a Between the inner diameter side projection 12-1b and the outer diameter side projection 12-2b so that a predetermined space B narrower than the space A is formed.
  • the dimensions are set.
  • An O-ring 34 is provided between the base member 12-1 and the cover member 12-2, and the base member 12-1 and the cover member 12-2 are tightly closed by bolts 30 and 32.
  • the force bar member 12-2 Heating member on the inner surface 12-2bb of the outer diameter side projection 12-2b of 14 are arranged.
  • the heating member 14 is formed by winding a thin plate-shaped conductor into a coil shape, and is formed in the same shape as the conventional pipe-shaped heating coil 102 shown in FIG.
  • the heating member 14 since the heating member 14 according to the present invention has a reciprocal shape, when the high-frequency current applied by the high-frequency current source 20 flows through the heating member 14, the inner side (inner diameter side) where a large amount of current flows.
  • the distance d between the portion (1) and the inner surface 40aa (described later), which is the portion to be heated, can be significantly reduced as compared with the case of the pipe-shaped heating coil 102 (2).
  • a hole 12-1bb is formed so as to penetrate the inner diameter side projection 12-1b of the base member 12-1.
  • a first conductor pipe 16 is inserted into the hole 12-1bb as a central conductor located substantially at the center on the inner diameter side of the heating member.
  • One end 16 a of the first conductor pipe 16 is located outside the case 12, and the other end 16 b of the first conductor pipe 16 is located in the space B inside the case 12.
  • the second conductor pipe 18 has one end 18a located outside the case 12 and the other end 18b located inside the space A inside the case 12, so that the base member It is passed through the plate part 12-1a of 12_1.
  • the end 16b of the first conductor pipe 16 and the heating member 14 are electrically connected by the fiber 22, and the end 18b of the second conductor pipe 18 and the heating member 14 are electrically connected by the line 24. It is connected.
  • cooling water is supplied into the first conductor pipe 16 from the opening at the end 16a of the first conductor pipe 16, and the first conductor pipe is supplied from the opening at the end 16a.
  • the cooling water supplied into the pump 16 flows out of the end 16 b of the first conductor pipe 16 into the space B inside the case 12, and the heating member 14 disposed in the space B To cool.
  • the cooling water that has cooled the heating member 14 moves from the space: B to the space A, and flows into the second conductor pipe 18 from the opening at the end 18 b of the second conductor pipe 18.
  • the cooling water supplied into the second conductor pipe 18 from the opening of the end 18 b flows out of the case 12 from the end 18 b of the second conductor pipe 18.
  • the induction heating of the inner diameter surface 40aa of the heated object 40 having the hole 40a formed as a cylindrical portion by the inner diameter surface induction heating coil 10 according to the present invention is shown in FIG.
  • the outer diameter side protruding portion 12-2 b is inserted into the hole 40 a formed in the object 40 to be heated, and the lines 22, 24, 26, 28 are fed by the high frequency current source 20
  • the high-frequency current is applied to the heating member 14 via the first conductor pipe 16 and the second conductor pipe 16.
  • an induced current is generated in the object 40 to be heated, and the inner diameter surface 40aa is induction-heated.
  • the high-frequency current flowing through the heating member 14 flows more inside (inside diameter) than outside (outside diameter) of the heating member 14.
  • the distance d between the portion of the carothermal member 14 where a large amount of current flows and the inner surface 40 aa which is the heated portion is determined by the shape of the nebule. Since the size of the inner diameter induction heating coil using the heating coil can be significantly reduced as compared with the conventional inner surface induction heating coil, the heating efficiency for the inner diameter surface 40aa, which is a heated portion, can be significantly improved. Therefore, according to the inner diameter surface induction heating coil 10 according to the present invention, a hole formed in the object to be heated, etc. The inner diameter side of the cylindrical portion can be efficiently heated.
  • the heating member 14 is composed of a base member 12-1 which is an insulator and a cover member 12-2
  • FIG. 4 shows another embodiment of the first conductor pipe 16 acting as a center conductor. Note that FIG. 4 conceptually shows only a main part around the first conductor pipe 16, and the same components as those shown in FIG. 3 are denoted by the same reference numerals as those in FIG. 3. ing.
  • the first conductor pipe 16 shown in FIG. 4 differs from the first conductor pipe 16 shown in FIG. 3 in that a slit 16c is formed in the axial direction from the end 16b. ing.
  • the slit 16c heats the first conductor pipe 16 as the center conductor by the inner surface induction heating coil 10 itself. Therefore, the power of the object to be heated and the heat efficiency can be further improved.
  • FIG. 5 shows another embodiment of the heating member 14. Note that FIG. 5 conceptually shows only the main part centering on the heating member 14, and the same components as those shown in FIG. 3 are denoted by the same reference numerals as those in FIG. ing.
  • the heating member 14 shown in FIG. 5 has an axial direction C of the hole 40 a of the heated object 40, that is, an axial direction of the hole 40 a which is a cylindrical portion formed in the heated portion 40.
  • the heating member 14 shown in FIG. 3 is different from the heating member 14 shown in FIG. 3 in that it is wound and formed so as to form an extended portion 14a.
  • the object 40 Heating can be performed by passing an induced current in the axial direction to the inner diameter surface 40 aa.
  • the present invention is configured as described above, it is possible to improve the heating efficiency and efficiently heat the inner diameter side of a cylindrical portion such as a hole formed in an object to be heated. It has an excellent effect.
  • the present invention is configured as described above, it is possible to apply a large amount of current to perform heating with a large output, and to form a cylindrical member such as a hole formed in an object to be heated. This has an excellent effect that the inner diameter side of the shaped portion can be heated with a larger output than before.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)

Abstract

L'invention porte sur une bobine de chauffage par induction par sa surface diamétrale intérieure, à rendement calorifique amélioré et chauffant efficacement le côté du diamètre intérieur d'une zone cylindrique telle qu'un évidement formé dans un sujet à chauffer. L'invention porte plus particulièrement sur une bobine de chauffage par induction chauffant par induction sa surface diamétrale intérieure c.-à-d. la surface située du côté du diamètre intérieur dont l'axe longitudinal est celui d'une zone cylindrique formée dans un élément. Ladite bobine comprend un boîtier (12) creux fait d'un matériau isolant, et un conducteur de tôle mince placé dans le boîtier (12) où est installé un élément chauffant (14) auquel on applique un courant à haute fréquence.
PCT/JP2003/002191 2002-02-28 2003-02-27 Bobine de chauffage par induction par la surface diametrale interieure WO2003073796A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020047013475A KR100726412B1 (ko) 2002-02-28 2003-02-27 내경면유도가열코일
HK05110103.8A HK1078235A1 (en) 2002-02-28 2005-11-11 Inner diameter surface induction heating coil

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002054057A JP3621685B2 (ja) 2002-02-28 2002-02-28 内径面誘導加熱コイル
JP2002-54057 2002-02-28

Publications (1)

Publication Number Publication Date
WO2003073796A1 true WO2003073796A1 (fr) 2003-09-04

Family

ID=27764382

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/002191 WO2003073796A1 (fr) 2002-02-28 2003-02-27 Bobine de chauffage par induction par la surface diametrale interieure

Country Status (5)

Country Link
JP (1) JP3621685B2 (fr)
KR (1) KR100726412B1 (fr)
CN (1) CN100459818C (fr)
HK (1) HK1078235A1 (fr)
WO (1) WO2003073796A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007055378A1 (de) * 2007-11-19 2009-05-28 Eads Deutschland Gmbh Verfahren und Vorrichtung zur Randschichtverfestigung von Bohrungen und Bohrungsanordnung mit randschichtverfestigter Bohrung
CN105324496A (zh) * 2013-06-22 2016-02-10 感应加热有限公司 用于复杂工件的单发感应加热的感应器

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CN101260457B (zh) * 2008-04-22 2010-06-02 冯伟年 多功能钢丝感应加热热处理设备及方法
JP6111033B2 (ja) 2011-12-05 2017-04-05 高周波熱錬株式会社 加熱コイル
TWI490341B (zh) * 2013-02-20 2015-07-01 Hiwin Tech Corp 內徑淬火裝置
CN103334157A (zh) * 2013-06-14 2013-10-02 中山大学 一种节能感应圈及应用该感应圈的晶体生长炉
JP6286317B2 (ja) * 2014-08-05 2018-02-28 高周波熱錬株式会社 加熱コイル
JP6969714B2 (ja) * 2017-06-21 2021-11-24 株式会社ミヤデン 誘導加熱コイル
CN107295709A (zh) * 2017-07-11 2017-10-24 中车株洲电机有限公司 一种铁磁性热套件的加热装置及加热方法
CN107460287A (zh) * 2017-09-13 2017-12-12 合肥力恒液压系统有限公司 油缸缸筒体去焊接应力退火工艺及实施设备
CN107870066B (zh) * 2017-11-10 2020-05-05 中国航发贵州黎阳航空动力有限公司 燃油总管热态密封试验装置
CN107884132B (zh) * 2017-11-10 2020-02-18 中国航发贵州黎阳航空动力有限公司 燃油总管热态密封试验方法
JP7045128B2 (ja) * 2018-02-04 2022-03-31 株式会社ミヤデン 誘導加熱コイル
JP7129012B2 (ja) * 2019-01-17 2022-09-01 株式会社ミヤデン 誘導加熱コイル
JP7299582B2 (ja) * 2019-01-17 2023-06-28 株式会社ミヤデン 誘導加熱コイル
CN111022477A (zh) * 2019-12-31 2020-04-17 广西玉柴机器股份有限公司 一种螺栓防松卡簧及其制造方法

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JPS55135045U (fr) * 1979-03-20 1980-09-25
JPS63192455U (fr) * 1987-05-27 1988-12-12
JPH0422094A (ja) * 1990-05-16 1992-01-27 Mitsubishi Heavy Ind Ltd 拡管加熱弛緩装置
JPH066450U (ja) * 1992-06-23 1994-01-28 三菱重工業株式会社 加熱コイル装置

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JP3942261B2 (ja) * 1998-02-13 2007-07-11 電気興業株式会社 誘導加熱コイル及びこの誘導加熱コイルを用いた誘導加熱装置

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Publication number Priority date Publication date Assignee Title
JPS55135045U (fr) * 1979-03-20 1980-09-25
JPS63192455U (fr) * 1987-05-27 1988-12-12
JPH0422094A (ja) * 1990-05-16 1992-01-27 Mitsubishi Heavy Ind Ltd 拡管加熱弛緩装置
JPH066450U (ja) * 1992-06-23 1994-01-28 三菱重工業株式会社 加熱コイル装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007055378A1 (de) * 2007-11-19 2009-05-28 Eads Deutschland Gmbh Verfahren und Vorrichtung zur Randschichtverfestigung von Bohrungen und Bohrungsanordnung mit randschichtverfestigter Bohrung
DE102007055378B4 (de) * 2007-11-19 2017-06-29 Airbus Defence and Space GmbH Verfahren und Vorrichtung zur Randschichtverfestigung von Bohrungen und Bohrungsanordnung mit randschichtverfestigter Bohrung
CN105324496A (zh) * 2013-06-22 2016-02-10 感应加热有限公司 用于复杂工件的单发感应加热的感应器

Also Published As

Publication number Publication date
HK1078235A1 (en) 2006-03-03
JP3621685B2 (ja) 2005-02-16
JP2003257611A (ja) 2003-09-12
KR20040093078A (ko) 2004-11-04
KR100726412B1 (ko) 2007-06-11
CN100459818C (zh) 2009-02-04
CN1640197A (zh) 2005-07-13

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