WO2013145585A1 - Appareil de réacteur - Google Patents

Appareil de réacteur Download PDF

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Publication number
WO2013145585A1
WO2013145585A1 PCT/JP2013/001483 JP2013001483W WO2013145585A1 WO 2013145585 A1 WO2013145585 A1 WO 2013145585A1 JP 2013001483 W JP2013001483 W JP 2013001483W WO 2013145585 A1 WO2013145585 A1 WO 2013145585A1
Authority
WO
WIPO (PCT)
Prior art keywords
coil
case
outer case
inner case
reactor device
Prior art date
Application number
PCT/JP2013/001483
Other languages
English (en)
Japanese (ja)
Inventor
篤志 山島
山口　雄司
秀藏 磯田
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2013145585A1 publication Critical patent/WO2013145585A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/025—Constructional details relating to cooling

Definitions

  • the present invention relates to a reactor device including a coil.
  • plug-in HEVs Hybrid Electric Vehicles
  • EVs Electric Vehicles
  • the EV or the plug-in HEV is equipped with an on-vehicle charger that converts an external AC power source into a direct current and outputs it to a vehicle storage battery.
  • a reactor device equipped with a coil for power factor improvement or smoothing is mounted on an in-vehicle charger for HEV or EV.
  • a very high voltage of about 400 volts is applied to a reactor device used in an on-vehicle charger for HEV or EV. For this reason, a coil becomes high temperature by heat_generation
  • Patent Document 1 discloses a transformer having a coil bobbin around which a coil is wound and a magnetic core.
  • the transformer body is held in an insulating protective case having several protruding portions.
  • the silicon casting resin is filled and cured in the insulating protective case so as to cover the transformer body and the protrusions.
  • the reactor device of Patent Document 1 uses a case made of a resin having low thermal conductivity to ensure insulation, heat dissipation from the side surface and the bottom surface is insufficient. Even if the case is replaced with a case made of a metal having high thermal conductivity, the positioning to ensure a sufficient insulation distance between the metallic case and the entire circumference of the coil is strictly performed. Difficult, heat dissipation and insulation may not be ensured.
  • An object of the present invention is to provide a reactor device that can achieve both heat dissipation and insulation.
  • the reactor device of the present invention includes a coil that is formed by winding a conductor wire in an annular shape and generates a magnetic flux when energized, and an inner case that is formed into a cylindrical shape with one end opened by a heat-dissipating insulating material, and accommodates the coil.
  • the metal is formed into a cylindrical shape with one end opened, and the space between the outer case accommodating the inner case and the inner and outer sides of the inner case is filled between the coil and the inner wall of the outer case.
  • a potting resin material made of a flame-retardant insulating material.
  • the present invention uses an insulating resin with high heat dissipation as a material, and an inner case for holding the coil is disposed between the outer case and the coil, so that the coil is placed at an optimum position inside the outer case with strict positioning accuracy. Can be retained. As a result, a sufficient insulation distance can be secured between the entire inner wall of the metal outer case and the entire surface of the conductive coil. At the same time, high heat dissipation can be ensured by the potting resin material filled in the space between the coil and the inner wall of the outer case.
  • the perspective view of the reactor apparatus which concerns on one embodiment of this invention 1 is an exploded perspective view of a reactor device according to an embodiment of the present invention.
  • the perspective view of the inner side case of the reactor apparatus which concerns on one embodiment of this invention Six views of an inner case of a reactor device according to an embodiment of the present invention
  • the perspective view of the outer case of the reactor apparatus which concerns on one embodiment of this invention Six views of the outer case of the reactor device according to one embodiment of the present invention
  • FIG. 1 is a perspective view of a reactor device according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the reactor device according to the embodiment of the present invention.
  • the reactor device according to the present embodiment includes an inner case 200 and an outer case 300, and holds the coil 100.
  • the coil 100 is an inductance element that constitutes a reactor device, and is connected to a lead wire.
  • the coil 100 is, for example, a toroidal coil.
  • a hole 110 is formed at the center of the toroidal coil.
  • the inner case 200 is formed in a cylindrical shape from a resin material having high heat dissipation and accommodates the coil 100.
  • the inner case 200 is disposed between the coil 100 and the outer case 300, thereby ensuring a sufficient insulation distance between the conductive coil 100 and the metal outer case 300.
  • the outer case 300 is formed as a cylindrical housing with a metal material having high heat dissipation and accommodates the inner case 200.
  • An example of the metal used as the material of the outer case is aluminum.
  • the outer case 300 serves to efficiently release the heat generated in the coil 100 to the outside.
  • the potting resin material (not shown) is made of a flame retardant insulating material, and is poured into a gap between the outer case 300 and the coil 100 and filled and cured across the inside and outside of the inner case 200. It is a fluid insulating material.
  • the hardened potting resin material serves to fix the inner case 200 and the coil 100 accommodated in the outer case 300 in a fixed position, and to provide insulation and thermal conductivity between the coil 100 and the outer case 300 by the inner case 200. Play a role to replenish.
  • the coil 100 is accommodated in the inner case 200, and then the inner case 200 that accommodates the coil 100 is accommodated in the outer case 300, whereby the reactor device according to the present invention. Is assembled.
  • FIG. 3 is a perspective view of the inner case 200
  • FIG. 4 is a six-sided view of the inner case 200.
  • 4A is a top view
  • FIG. 4B is a bottom view
  • FIG. 4C is a right side view
  • FIG. 4D is a front view
  • FIG. 4E is a left side view.
  • the inner case 200 is made of a flame retardant resin, has a bottom surface portion 201 and a side surface portion 202, and is formed in a cylindrical shape with one end opened.
  • the coil 100 is accommodated in an internal space 203 formed by the bottom surface portion 201 and the side surface portion 202.
  • the flame-retardant resin is typically a resin material that can withstand a high temperature of about 150 ° C., which is the rated temperature when the reactor generates heat.
  • the inner case 200 includes a center fixing member 206 protruding from the center of the inner case bottom surface portion 201.
  • the center fixing member 206 is fitted into the hole 110 of the coil 100 to stably hold the coil 100 at a position apart from the center and the bottom surface 301 in the cylindrical inner space 303 of the outer case 300. .
  • a plurality of protruding ribs 205 are formed on the side surface portion 202 of the inner case 200 so as to protrude from the outer wall of the side surface portion 202 toward the inner wall of the outer case 300 at equal intervals.
  • the plurality of protruding ribs 205 is a support member that has a uniform protruding amount that reaches the inner wall of the side surface portion 302 of the outer case 300 from the outer wall of the side surface portion 202 of the inner case 200 and supports the inner wall of the side surface portion 302 from the inner side. is there.
  • the protruding rib 205 has a function of keeping the distance between the outer wall of the side surface portion 202 and the inner wall of the side surface portion 302 uniform.
  • a hole 204 is provided in the side surface 202 of the inner case 200.
  • the hole 204 is filled and cured evenly across the inside and outside of the inner case 200 due to leakage. To do.
  • the hole 204 functions as an opening for efficiently releasing heat generated from the coil 100 from the inside case 200 with insufficient heat dissipation, using the potting resin material as a medium.
  • FIG. 5 is a perspective view of the outer case 300
  • FIG. 6 is a six-sided view of the outer case 300.
  • 6A is a top view
  • FIG. 6B is a bottom view
  • FIG. 6C is a right side view
  • FIG. 6D is a front view
  • FIG. 6E is a left side view.
  • the outer case 300 is entirely formed of a metal material as a cylindrical shape including a bottom surface portion 301 and a side surface portion 302, and the inner diameter of the cylindrical shape is larger than the outer diameter of the cylindrical shape of the inner case 200.
  • the bottom case 301 of the outer case 300 is formed with a fixing leg 311 extending outward from the outer edge of the bottom 301 in parallel to the horizontal surface of the bottom 301.
  • the outer case 300 is fixed to a pedestal having a water-cooling mechanism inside by using screw fixing means using screws passed through holes 312 opened in the fixing legs 311.
  • the coil 100 is accommodated in the internal space 203 of the inner case 200.
  • the center fixing member 206 provided on the inner case bottom surface portion 201 is fitted into the hole 110 of the coil 100 to be separated from the center portion and the bottom surface portion 301 in the cylindrical inner space 303 of the outer case 300. In this position, the coil 100 is stably held.
  • the entire inner case 200 is accommodated in the inner space 303 of the outer case 300.
  • the inner case 200 is fixedly arranged so that the cylindrical shape of the inner case 200 and the cylindrical shape of the outer case 300 are concentric with each other by the protruding ribs 205 provided on the inner wall of the side surface portion 202 of the inner case 200.
  • the coil 100 is suspended in a central portion in the inner space 303 of the outer case 300 and at a position away from the bottom surface portion 301.
  • a potting resin material with high heat dissipation is poured into the gap between the inner surface of the outer case 300 and the coil 100 to be filled and cured.
  • the potting resin material that has flowed into the gap between the outer case 300 and the coil 100 leaks out from the hole 204 provided in the side surface portion 202 of the inner case 200, thereby entering and leaving the inner case 200. Fill and cure evenly across.
  • the reactor device can ensure high heat dissipation by the potting resin material filled in the space between the coil 100 and the inner wall of the outer case 300.
  • an inner case 200 made of a highly flame-retardant insulating resin tree that holds the coil is disposed between the outer case 300 and the coil 100, so that the entire inner wall of the metal outer case 300 is electrically conductive.
  • a sufficient insulation distance from the entire surface of the coil 100 can be ensured.
  • the coil 100 is held at the center portion in the cylindrical internal space 303 of the outer case 300 and at a position away from the bottom surface portion 301 by the action of the center fixing member 206 provided on the inner case bottom surface portion 201. Is done.
  • the conductive coil 100 held in the inner space 303 is not held biased to one side in the inner space 303, and the coil 100 does not move against any portion of the metal outer case side surface portion 302.
  • a sufficient insulation distance can be obtained.
  • the insulation distance is more reliable than when the inner case is not provided. Can be secured. Specifically, in the manufacturing process, the arrangement position of the coil held in the outer case is shifted due to vibration or inclination applied to the outer case, so that a sufficient insulation distance between the metal outer case and the coil is obtained. It can be prevented from being lost.
  • this embodiment uses a very simple formation method and a simple holding structure, as compared with the case of forming a support structure for supporting a coil on the inner surface of the insulation protection case. And insulation can be realized.
  • the inner case 200 is fitted into the inner space 303, and the center fixing member 206 provided on the inner case bottom surface portion 201 is fitted into the coil hole portion 110. It can be manufactured simply by housing the coil 100.
  • the coil and its accommodation case must be miniaturized as much as possible.
  • the reactor device by adopting the above-described embodiment shown in FIG. 1 and FIG. 2 as the reactor device, it is possible to ensure a sufficient insulation distance between the storage case and the coil even when the reactor is downsized. it can.
  • the conductive coil is accurately placed at a central position in a very narrow space inside the miniaturized storage case by the action of the insulating inner case fitted inside the storage case. Thus, it becomes possible to hold it stably.
  • a structure having such a high positioning accuracy can be easily formed simply by disposing the inner case 200 between the outer case 300 and the coil 100 in the manufacturing process of the reactor device.
  • the reactor apparatus which concerns on this invention can implement
  • the shape of the outer case 300 and the inner case 200 is not limited to a cylindrical shape suitable for housing the toroidal coil 100, and can be any shape that can accommodate any shape coil.
  • the coil holding structure of the inner case 200 is not limited to the embodiment shown in FIGS. 1 and 2, and the coil 100 is stably disposed by being arranged at a center portion in the inner space of the outer case 300 and a position away from the bottom surface portion 301. Any internal structure that can be held may be used.
  • the potting resin material used in the practice of the present invention is any resin material as long as it is a highly insulative and flame retardant resin material, such as a material mainly composed of an epoxy resin or a material mainly composed of a silicon resin. May be used.
  • the present invention can be used as a reactor device or the like used as an inductance element for an in-vehicle charger for EVs and HEVs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Of Coils (AREA)

Abstract

La présente invention porte sur un appareil de réacteur qui est apte à avoir à la fois les caractéristiques de dissipation thermique et les caractéristiques d'isolation thermique excellentes. Dans l'appareil, un boîtier externe métallique (300), qui maintient une bobine (100) d'un réacteur de telle sorte que toute la bobine est recouverte du boîtier extérieur, a un boîtier intérieur (200) entre le boîtier extérieur (300) et la bobine (100) afin de maintenir la bobine (100) en conservant une distance d'isolation suffisante depuis une quelconque partie d'une paroi intérieure de boîtier, ledit boîtier intérieur étant formé d'une résine isolante ayant des caractéristiques de dissipation thermique élevées. De plus, une matière de résine d'enrobage isolante est coulée dans un espace entre le boîtier extérieur (300) et la bobine (100).
PCT/JP2013/001483 2012-03-26 2013-03-08 Appareil de réacteur WO2013145585A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012070017A JP2013201376A (ja) 2012-03-26 2012-03-26 リアクトル装置
JP2012-070017 2012-03-26

Publications (1)

Publication Number Publication Date
WO2013145585A1 true WO2013145585A1 (fr) 2013-10-03

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ID=49258903

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/001483 WO2013145585A1 (fr) 2012-03-26 2013-03-08 Appareil de réacteur

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JP (1) JP2013201376A (fr)
WO (1) WO2013145585A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3330983A1 (fr) * 2016-11-30 2018-06-06 Visedo Oy Dispositif inductif
DE102019208829A1 (de) * 2019-06-18 2020-12-24 Robert Bosch Gmbh Umhülltes Bauteil und Verfahren zu seiner Herstellung
CN112820491A (zh) * 2021-02-03 2021-05-18 河源市皓吉达通讯器材有限公司 一种超薄振动线圈及其制备方法
AT17295U1 (de) * 2016-11-30 2021-11-15 Danfoss Mobile Electrification Oy Induktive Vorrichtung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6651592B1 (ja) * 2018-10-12 2020-02-19 三菱電機株式会社 リアクトルの冷却構造、及び電力変換装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60254604A (ja) * 1984-05-30 1985-12-16 Fuji Elelctrochem Co Ltd 巻線部品
JPS6351425U (fr) * 1986-09-22 1988-04-07
JPH0541110U (ja) * 1991-11-07 1993-06-01 太陽誘電株式会社 面実装コイル

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60254604A (ja) * 1984-05-30 1985-12-16 Fuji Elelctrochem Co Ltd 巻線部品
JPS6351425U (fr) * 1986-09-22 1988-04-07
JPH0541110U (ja) * 1991-11-07 1993-06-01 太陽誘電株式会社 面実装コイル

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3330983A1 (fr) * 2016-11-30 2018-06-06 Visedo Oy Dispositif inductif
AT17295U1 (de) * 2016-11-30 2021-11-15 Danfoss Mobile Electrification Oy Induktive Vorrichtung
DE102019208829A1 (de) * 2019-06-18 2020-12-24 Robert Bosch Gmbh Umhülltes Bauteil und Verfahren zu seiner Herstellung
CN113939886A (zh) * 2019-06-18 2022-01-14 罗伯特·博世有限公司 被包覆的构件及其制造方法
CN112820491A (zh) * 2021-02-03 2021-05-18 河源市皓吉达通讯器材有限公司 一种超薄振动线圈及其制备方法

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Publication number Publication date
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