WO2017041483A1 - Bobine d'inductance pour forte puissance à faible inductance - Google Patents

Bobine d'inductance pour forte puissance à faible inductance Download PDF

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Publication number
WO2017041483A1
WO2017041483A1 PCT/CN2016/077855 CN2016077855W WO2017041483A1 WO 2017041483 A1 WO2017041483 A1 WO 2017041483A1 CN 2016077855 W CN2016077855 W CN 2016077855W WO 2017041483 A1 WO2017041483 A1 WO 2017041483A1
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WO
WIPO (PCT)
Prior art keywords
low
wire
power inductor
magnetic
lead
Prior art date
Application number
PCT/CN2016/077855
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English (en)
Chinese (zh)
Inventor
江民理
Original Assignee
惠州市鑫感佳电子科技有限公司
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 惠州市鑫感佳电子科技有限公司 filed Critical 惠州市鑫感佳电子科技有限公司
Publication of WO2017041483A1 publication Critical patent/WO2017041483A1/fr

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    • 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
    • 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
    • H01F27/02—Casings
    • H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements

Definitions

  • the utility model relates to the technical field of inductance, in particular to a low-sensitivity high-power inductor.
  • the low-sensitivity high-power inductors on the market are generally divided into two types, one is a pin type, and the body wire is used as a pin to maximize product power, but the following disadvantages exist, and a manual plug-in must be used when using, which requires a lot of labor. It is impossible to automate the work; the other is SMD (Surface Mounted Devices), the same workmanship, adding the material, forming SMD after welding, and realizing SMT (Surface Mount Technology) automatically when used. Patch, but the following shortcomings, the product body and the pin have solder joints, which may result in an open circuit and insufficient contact surface, can not effectively maximize the power, and the body lead-out conductor must be cut due to the welding of the material, resulting in waste.
  • SMD Surface Mounted Devices
  • a low-inductance high-power inductor which is directly formed into a wire lead through a body lead and is formed into an SMD product, and has the advantages of convenient use and good performance. , low cost and other advantages.
  • the body wire needs to be formed into a wire lead by a flattening operation, and the flattening operation deforms the body wire to produce a flat patch surface by pressing, which not only damages the conductor body structure, but also causes the wire deformation to cause partial breakage or even generation. Open the circuit to reduce product reliability and thus affect performance.
  • the side surface becomes irregular and needs to be trimmed, thereby causing waste on the material, and at the same time, processes such as flattening, trimming, and manual tinning are generated, which increases the labor cost.
  • the purpose of the utility model is to provide a low-sensitivity high-power inductor, which does not need to be flattened, and may have Effectively save processing costs and improve product performance.
  • the utility model is realized as follows:
  • a low-inductance high-power inductor comprising a magnetic shell and a magnetic rod and a wire embedded in the magnetic shell, the wire being wound around the magnetic bar to form a coil structure, and the wire The two ends of the magnetic shell respectively lead directly to the wire pins.
  • the magnetic shell is a cover structure having an open end, and corresponding sides of the open end of the magnetic shell are respectively provided with a lead wire slot to respectively lead out the lead pins.
  • the magnetic bar is a columnar nickel-zinc ferrite or a columnar manganese-zinc ferrite.
  • the wire is a copper wire.
  • the utility model has the beneficial effects that the low-sensitivity high-power inductor provided by the utility model directly leads out the magnetic shell through the two ends of the coil wire of the coil, and directly forms a wire lead to form an SMD product, and does not need to be flattened, so that The SMD patch function can be realized without changing the shape of the conductor, which not only improves the performance of the product, but also maximizes the use of the material and reduces the waste of resources, thereby effectively saving processing costs and costs.
  • the low-inductance high-power inductor can directly save the labor cost by using the SMT machine, and the product pin is directly formed at both ends of the coil wire, so that there is no joint in the middle, which can effectively make the product Maximize power and improve product performance.
  • FIG. 1 is a schematic view showing the structure of a bottom surface of a preferred embodiment of a low-sensitivity high-power inductor of the present invention.
  • FIG. 2 is a side view showing a partial structure of the low-inductance high-power inductor shown in FIG. 1.
  • FIG. 3 is a schematic view showing the structure of the bottom surface of the magnetic shell of the low-inductance high-power inductor shown in FIG. 1.
  • the embodiment provides a low-inductance high-power inductor 1.
  • the low-inductance high-power inductor 1 includes a magnetic shell 11 and a magnetic rod 12 and a wire 13 built in the magnetic shell 11, the wire 13 is wound around the magnetic bar 12 to form a coil structure, and the wire 13 The two ends of the magnetic shell 11 are respectively led out to become the lead pins 131.
  • the magnetic shell 11 is a cover structure having an open end.
  • the corresponding two sides of the open end of the magnetic shell 11 are respectively provided with a lead wire slot 111 for respectively extracting the Wire pin 131.
  • the magnetic bar 12 is a columnar nickel zinc ferrite or a columnar manganese zinc ferrite.
  • the wire 13 is a copper wire.
  • the low-sensitivity high-power inductor provided in this embodiment is directly formed as a wire lead through the two ends of the coil wire of the coil, and forms an SMD product, which does not need to be flattened, so that the SMD sticker can be realized without changing the shape of the conductor.
  • the film function not only improves the performance of the product, but also maximizes the use of materials and reduces the waste of resources, thereby effectively saving processing costs and costs.
  • the low-inductance high-power inductor can directly save the labor cost by using the SMT machine direct machine patch operation, and because of the product introduction
  • the foot is directly formed at both ends of the coil wire, so there is no joint in the middle, which can effectively maximize the power of the product and improve the performance of the product.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

L'invention porte sur une bobine d'inductance pour forte puissance à faible inductance (1). La bobine d'inductance pour forte puissance à faible inductance (1) comprend un boîtier magnétique (11), et une barre magnétique (12) et un conducteur (13) disposés à l'intérieur du boîtier magnétique (11). Le conducteur (13) est enroulé sur la barre magnétique (12) pour former une structure de bobine, et deux extrémités du conducteur (13) sont faites sortir du boîtier magnétique (11) séparément et deviennent directement des broches de connexion (131). La bobine d'inductance pour forte puissance à faible inductance (1) ne nécessite pas d'opération d'aplatissement, le coût de traitement peut être efficacement réduit, et les performances du produit peuvent être améliorées.
PCT/CN2016/077855 2015-09-11 2016-03-30 Bobine d'inductance pour forte puissance à faible inductance WO2017041483A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201520704945.1U CN204926956U (zh) 2015-09-11 2015-09-11 低感大功率电感
CN201520704945.1 2015-09-11

Publications (1)

Publication Number Publication Date
WO2017041483A1 true WO2017041483A1 (fr) 2017-03-16

Family

ID=54976065

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/077855 WO2017041483A1 (fr) 2015-09-11 2016-03-30 Bobine d'inductance pour forte puissance à faible inductance

Country Status (3)

Country Link
CN (1) CN204926956U (fr)
TW (1) TWM529254U (fr)
WO (1) WO2017041483A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204926956U (zh) * 2015-09-11 2015-12-30 惠州市鑫感佳电子科技有限公司 低感大功率电感

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203950632U (zh) * 2014-06-26 2014-11-19 长兴盛强电子器材有限公司 一种功率型电感
CN204537823U (zh) * 2015-04-08 2015-08-05 惠州市鑫感佳电子科技有限公司 低感大功率电感
CN204926956U (zh) * 2015-09-11 2015-12-30 惠州市鑫感佳电子科技有限公司 低感大功率电感

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203950632U (zh) * 2014-06-26 2014-11-19 长兴盛强电子器材有限公司 一种功率型电感
CN204537823U (zh) * 2015-04-08 2015-08-05 惠州市鑫感佳电子科技有限公司 低感大功率电感
CN204926956U (zh) * 2015-09-11 2015-12-30 惠州市鑫感佳电子科技有限公司 低感大功率电感

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Publication number Publication date
CN204926956U (zh) 2015-12-30
TWM529254U (zh) 2016-09-21

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