WO2021160193A3 - 一种贴片变压器及其加工方法 - Google Patents

一种贴片变压器及其加工方法 Download PDF

Info

Publication number
WO2021160193A3
WO2021160193A3 PCT/CN2021/098914 CN2021098914W WO2021160193A3 WO 2021160193 A3 WO2021160193 A3 WO 2021160193A3 CN 2021098914 W CN2021098914 W CN 2021098914W WO 2021160193 A3 WO2021160193 A3 WO 2021160193A3
Authority
WO
WIPO (PCT)
Prior art keywords
glue layer
smd
smd transformer
transformer
production
Prior art date
Application number
PCT/CN2021/098914
Other languages
English (en)
French (fr)
Other versions
WO2021160193A2 (zh
Inventor
曾德平
林慧
唐小虎
周群生
谢伟
何勇明
Original Assignee
深圳顺络电子股份有限公司
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 深圳顺络电子股份有限公司 filed Critical 深圳顺络电子股份有限公司
Publication of WO2021160193A2 publication Critical patent/WO2021160193A2/zh
Publication of WO2021160193A3 publication Critical patent/WO2021160193A3/zh
Priority to US17/527,189 priority Critical patent/US20220172884A1/en

Links

Classifications

    • 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
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H01F27/292—Surface mounted devices
    • 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
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/342—Oxides
    • H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
    • H01F1/37—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
    • 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
    • H01F27/022—Encapsulation
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263—Fastening parts of the core together
    • 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
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266—Fastening or mounting the core on casing or support
    • 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
    • H01F27/2823—Wires
    • H01F27/2828—Construction of conductive connections, of leads
    • 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
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306—Fastening or mounting coils or windings on core, casing or other support
    • 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
    • H01F41/04—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
    • 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
    • H01F41/10—Connecting leads to windings

Abstract

本发明公开了一种贴片变压器及其加工方法，所述贴片变压器包括胶层和绕线制品，所述绕线制品置于所述胶层内部，所述绕线制品包括工字型磁芯以及绕制在所述工字型磁芯中柱上的线包；所述线包的引出端连接电极，所述电极裸露于所述胶层的表面；所述胶层由磁性模塑料通过模压成型方式得到，跟同等性能指标的现有技术贴片变压器相比，该贴片变压器的尺寸更小，减小比例可达50％以上，且加工中无需用到BOBBIN以及绝缘胶带。此外，本发明中，贴片变压器中绕线制品均被胶层全面覆盖，故产品可靠性高，并可支撑PSIP塑封环境。
PCT/CN2021/098914 2020-11-30 2021-06-08 一种贴片变压器及其加工方法 WO2021160193A2 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/527,189 US20220172884A1 (en) 2020-11-30 2021-11-16 Surface-mounted transformer and processing method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011381405.6 2020-11-30
CN202011381405.6A CN112562972B (zh) 2020-11-30 2020-11-30 一种贴片变压器及其加工方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/527,189 Continuation US20220172884A1 (en) 2020-11-30 2021-11-16 Surface-mounted transformer and processing method thereof

Publications (2)

Publication Number Publication Date
WO2021160193A2 WO2021160193A2 (zh) 2021-08-19
WO2021160193A3 true WO2021160193A3 (zh) 2021-10-14

Family

ID=75045742

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/098914 WO2021160193A2 (zh) 2020-11-30 2021-06-08 一种贴片变压器及其加工方法

Country Status (3)

Country Link
US (1) US20220172884A1 (zh)
CN (1) CN112562972B (zh)
WO (1) WO2021160193A2 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112562972B (zh) * 2020-11-30 2023-02-10 深圳顺络电子股份有限公司 一种贴片变压器及其加工方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1484258A (zh) * 2002-09-16 2004-03-24 台达电子工业股份有限公司 具有导热胶辅助散热的变压器
CN201717078U (zh) * 2010-06-03 2011-01-19 程品电子科技(东莞)有限公司 电感器结构
CN106158245A (zh) * 2015-04-17 2016-11-23 墨尚电子技术(上海)有限公司 一种采用注塑封装的功率电感
CN111524691A (zh) * 2020-06-03 2020-08-11 东莞铭普光磁股份有限公司 一种变压器及其制备方法
CN112562972A (zh) * 2020-11-30 2021-03-26 深圳顺络电子股份有限公司 一种贴片变压器及其加工方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3207552B2 (ja) * 1992-09-05 2001-09-10 アピックヤマダ株式会社 樹脂モールド金型及びその製作方法
JP2000040623A (ja) * 1998-07-24 2000-02-08 Koa Corp チップインダクタおよびその製造方法
JP2001319816A (ja) * 2000-05-09 2001-11-16 Taiyo Yuden Co Ltd コイル部品
JP4961441B2 (ja) * 2009-01-30 2012-06-27 東光株式会社 モールドコイルの製造方法
CN102856037B (zh) * 2012-09-17 2016-09-21 深圳顺络电子股份有限公司 模塑成型功率电感元件及制造方法
KR101709841B1 (ko) * 2014-12-30 2017-02-23 삼성전기주식회사 칩 전자부품 및 그 제조방법
CN205028753U (zh) * 2015-10-12 2016-02-10 中山市汉仁电子有限公司 超小型贴片式网口变压器
CN107275045B (zh) * 2017-05-24 2019-03-08 深圳顺络电子股份有限公司 一种电感的制作方法、及其塑封材料的制备方法
CN107863233A (zh) * 2017-11-23 2018-03-30 深圳振华富电子有限公司 共模电感器、磁芯配方及共模电感器的制作工艺
CN109559876A (zh) * 2018-12-17 2019-04-02 深圳顺络电子股份有限公司 一种贴片式感性元件及其制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1484258A (zh) * 2002-09-16 2004-03-24 台达电子工业股份有限公司 具有导热胶辅助散热的变压器
CN201717078U (zh) * 2010-06-03 2011-01-19 程品电子科技(东莞)有限公司 电感器结构
CN106158245A (zh) * 2015-04-17 2016-11-23 墨尚电子技术(上海)有限公司 一种采用注塑封装的功率电感
CN111524691A (zh) * 2020-06-03 2020-08-11 东莞铭普光磁股份有限公司 一种变压器及其制备方法
CN112562972A (zh) * 2020-11-30 2021-03-26 深圳顺络电子股份有限公司 一种贴片变压器及其加工方法

Also Published As

Publication number Publication date
CN112562972B (zh) 2023-02-10
US20220172884A1 (en) 2022-06-02
CN112562972A (zh) 2021-03-26
WO2021160193A2 (zh) 2021-08-19

Similar Documents

Publication Publication Date Title
WO2015120802A1 (zh) 一种电感线圈及电磁器件
WO2021160193A3 (zh) 一种贴片变压器及其加工方法
TWI508110B (zh) 磁性元件
CN111933433A (zh) 平面变压器
KR200156829Y1 (ko) 플라이백 트랜스의 일체형 보빈구조
CN205542339U (zh) 一种高过载变压器线圈绝缘结构
CN208093350U (zh) 一种电流互感器铁心组件及电流互感器
JP2001176735A (ja) 高圧箔巻トランスの絶縁構造
KR200352324Y1 (ko) 트랜스의 2차코일 보빈
US3644156A (en) Method of making a coil bobbin
JP2607763Y2 (ja) トランス
CN108962562A (zh) 一种hc型无骨架llc变压器及其制造方法
CN219916907U (zh) 一种用于变压器的不等轭铁芯结构
KR102494063B1 (ko) 조합형 철심이 적용된 3상 변류기 및 그 제조방법
SU930404A1 (ru) Способ изготовлени обмоток трансформаторов с сечением некруглой формы
JPS5919394Y2 (ja) 環状磁芯を用いた変成器
JPS6325709Y2 (zh)
CN202502876U (zh) 大功率推挽式变压器的线圈绕制结构
CN219575372U (zh) 一种低干扰变压器
TWI794867B (zh) 變壓器及其製作方法
CN212570587U (zh) 一种片式绕线功率电感
JPH051056Y2 (zh)
TWM635356U (zh) 磁性元件
JPS62137814A (ja) 樹脂モ−ルド形変成器
CN102568783A (zh) 大功率推挽式变压器的线圈绕制结构

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 125A DATED 17/10/2023)