ES2609125T3 - Inductor óptimo - Google Patents

Inductor óptimo Download PDF

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Publication number
ES2609125T3
ES2609125T3 ES13762443.3T ES13762443T ES2609125T3 ES 2609125 T3 ES2609125 T3 ES 2609125T3 ES 13762443 T ES13762443 T ES 13762443T ES 2609125 T3 ES2609125 T3 ES 2609125T3
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ES
Spain
Prior art keywords
coil
cable
winding
inductor
metal
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.)
Active
Application number
ES13762443.3T
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English (en)
Inventor
Óscar H. BJARNASEN
Tord Cedell
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MAGCOMP AB
Original Assignee
MAGCOMP AB
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Filing date
Publication date
Application filed by MAGCOMP AB filed Critical MAGCOMP AB
Application granted granted Critical
Publication of ES2609125T3 publication Critical patent/ES2609125T3/es
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/08—Cores, Yokes, or armatures made from powder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/06—Insulation of windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/255—Magnetic cores made from particles
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2876—Cooling
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/071—Winding coils of special form
    • H01F41/073—Winding onto elongate formers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/12—Insulating of windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling

Abstract

Serpentín (1) adecuado para un inductor, compuesto por un cable de metal (2) enrollado circularmente alrededor de un eje central (C), en el que el cable tiene una capa eléctricamente aislante (3) que aísla cada vuelta del cable en el enrollamiento de las vueltas contiguas, dicho cable (2) comprende uno o más torones eléctricamente aislados (4), retorciéndose los múltiples torones (4) de manera óptima aproximadamente 360º ± 90º para el serpentín completamente enrollado, la forma del enrollamiento completo, que constituye el serpentín (1), es sustancialmente toroidal, teniendo una sección transversal sustancialmente elíptica en un plano perpendicular a la dirección de enrollamiento del cable, y el serpentín enrollado tiene un factor de relleno, que es un volumen de metal con respecto al volumen total, a un nivel tal que la conducción térmica de calor del serpentín es superior a 0,8 W/m*K.

Description

imagen1
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imagen5
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través del serpentín, de manera que la resina semicurada fluirá hacia las cavidades de aire entre los torones y los cables, mejorando la conductividad de calor y las propiedades de fugas dieléctricas y capacitivas.
Una tercera capa aislante adicional 11 también se une al exterior del serpentín para aislar el serpentín del entorno exterior, en esta realización un núcleo moldeado. Esto garantiza que la capa aislante cubra todo el serpentín, usándose una resina en la capa aislante. La resina también hará que la superficie exterior del serpentín sea lisa, siguiendo la forma de toro del serpentín y adaptándose bien a su campo magnético, evitando de este modo los puntos calientes.
Núcleo magnético blando
El núcleo magnético blando que se moldea alrededor del serpentín también tiene esencialmente forma de toro. La forma del núcleo también puede estar equipada con, por ejemplo, orificios de montaje y bridas térmicas, véase la figura 3.
La forma esencialmente de toro del núcleo tiene la ventaja de las tecnologías existentes de utilizar de manera óptima la cantidad exacta de material de núcleo, eliminar cualquier exceso de material innecesario que no sea necesario para la trayectoria de flujo de los serpentines y la función óptima del inductor. Esto reduce los costes de material, así como el peso y el tamaño necesarios para el inductor.
La permeabilidad del SM2C puede ajustarse para adaptarse al diseño. Al hacer pasar la corriente a través del serpentín, durante la fase de moldeo y de endurecimiento del material, es posible mejorar su permeabilidad en un 10-15 %. Además, el campo H del serpentín alinea de manera óptima las partículas de polvo circundantes en la misma dirección o una dirección similar a la de la trayectoria de flujo de cada unidad individual. Mantener la corriente durante el endurecimiento garantiza que las partículas mantengan su posición alterada y optimizada. Esto crea una trayectoria más fácil para que el flujo pase a través, lo que aumenta la inductancia y disminuye las pérdidas de los inductores.
Preferentemente, el núcleo se coloca de una manera axialmente simétrica, de modo que el área del material de núcleo, perpendicular a las líneas de flujo, es más o menos la misma en todas las partes del inductor.
La distribución del tamaño de partícula se elige para proporcionar un buen empaquetado del polvo en combinación con unas propiedades magnéticas estáticas y dinámicas optimizadas.
Para evitar la conducción eléctrica partícula a partícula en el núcleo, las partículas se recubren con una capa aislante delgada antes del proceso de moldeo. La capa aislante puede estar fabricada de, por ejemplo, nanopartículas cerámicas, lo que mejora la resistividad volumétrica del núcleo moldeado y, por lo tanto, reduce las corrientes parásitas inducidas por alta frecuencia.
7

Claims (1)

  1. imagen1
ES13762443.3T 2012-09-14 2013-09-10 Inductor óptimo Active ES2609125T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12184479.9A EP2709118A1 (en) 2012-09-14 2012-09-14 Optimal inductor
EP12184479 2012-09-14
PCT/EP2013/068682 WO2014040973A1 (en) 2012-09-14 2013-09-10 Optimal inductor

Publications (1)

Publication Number Publication Date
ES2609125T3 true ES2609125T3 (es) 2017-04-18

Family

ID=47002639

Family Applications (1)

Application Number Title Priority Date Filing Date
ES13762443.3T Active ES2609125T3 (es) 2012-09-14 2013-09-10 Inductor óptimo

Country Status (10)

Country Link
US (2) US10734145B2 (es)
EP (2) EP2709118A1 (es)
JP (1) JP2015532011A (es)
KR (1) KR102122813B1 (es)
CN (1) CN104823251B (es)
ES (1) ES2609125T3 (es)
IN (1) IN2015DN01311A (es)
PL (1) PL2896056T3 (es)
RU (1) RU2636653C2 (es)
WO (1) WO2014040973A1 (es)

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EP3286771A4 (en) * 2015-03-05 2018-12-05 Enhanced Life Water Solutions, LLC Systems and methods for controlling electric fields in a fluid, gases and bacteria
WO2018037029A2 (en) * 2016-08-26 2018-03-01 Danfoss Power Electronics A/S Insulated electrical inductor and insulated sealing arrangement thereof
KR102419062B1 (ko) * 2018-05-22 2022-07-08 프레모, 에세.아. 전기 자동차의 유도성 충전기를 위한 유도성 에너지 방출기/수신기
JP7030022B2 (ja) 2018-06-21 2022-03-04 日東電工株式会社 インダクタ
DE102020207860A1 (de) 2020-06-25 2021-12-30 Robert Bosch Gesellschaft mit beschränkter Haftung Induktives Bauelement mit einem partikelgefüllten Spulenkern
CN113381155A (zh) * 2021-06-23 2021-09-10 中国电子科技集团公司第九研究所 一种宽温宽带低阻变换表贴功率合成器

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Also Published As

Publication number Publication date
US10734145B2 (en) 2020-08-04
US20150228390A1 (en) 2015-08-13
IN2015DN01311A (es) 2015-07-03
WO2014040973A1 (en) 2014-03-20
JP2015532011A (ja) 2015-11-05
US20200243241A1 (en) 2020-07-30
EP2896056B1 (en) 2016-10-26
PL2896056T3 (pl) 2017-03-31
RU2636653C2 (ru) 2017-11-27
EP2709118A1 (en) 2014-03-19
CN104823251A (zh) 2015-08-05
RU2015109581A (ru) 2016-11-10
KR102122813B1 (ko) 2020-06-18
EP2896056A1 (en) 2015-07-22
KR20150056771A (ko) 2015-05-27
CN104823251B (zh) 2018-08-24

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