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Totally-enclosed split type powder metallurgy soft magnetic tank

A powder metallurgy and assembled technology, applied in the manufacture of inductors/transformers/magnets, preventing/reducing unwanted electric/magnetic influences, electrical components, etc., can solve problems such as the inability to guarantee electromagnetic compatibility and magnetic flux leakage. Achieve the effect of saving equipment input cost, saving material cost, and small size

Inactive Publication Date: 2012-02-22
LANGFANG IN POWER ELECTRIC +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a fully enclosed assembled powder metallurgy soft magnetic tank body to solve the problem of winding coils on circular iron powder cores or square assembled iron cores. The coils are exposed outside the magnets and cannot guarantee electromagnetic protection. Technical Issues of Compatibility and Flux Leakage Size

Method used

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  • Totally-enclosed split type powder metallurgy soft magnetic tank
  • Totally-enclosed split type powder metallurgy soft magnetic tank
  • Totally-enclosed split type powder metallurgy soft magnetic tank

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Embodiment Construction

[0011] The present invention uses soft magnetic materials to make three parts in ring shape, semi-disc shape and column shape, and adopts an assembling method to bond the above parts into a tank shape with magnetically conductive glue. The ring-shaped parts are used to form the outer shell, the cylindrical parts are used to form the inner core, and the semi-disc-shaped parts form the upper and lower bottom plates of the product. The shell of the tank is not only the protective shell of the product but also the magnetic circuit, which forms the product shell together with the internal magnetic column and the upper and lower bottom plates, thus forming a closed magnetic circuit. The tank is a fully enclosed tank except for the wire outlet, which minimizes the possibility of magnetic flux leakage.

[0012] See the specific structure figure 1 , 2 shown. Depend on figure 1 , 2 It can be seen that the magnetic tank body is composed of a magnetic core 3, a magnetic ring shieldin...

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Abstract

The invention discloses a totally-enclosed split type powder metallurgy soft magnetic tank which is characterized by comprising base plates, a plurality of laminated circular magnetic ring shield walls and a magnetic core, wherein the laminated circular magnetic ring shield walls are installed between the two base plates; the magnetic core is formed by laminating a plurality of cylinder bodies; the magnetic core is fixed to central shafts of the magnetic ring shield walls; winding spaces are formed between the magnetic ring shield walls and the magnetic core; the center of the magnetic core is provided with a fixed hole; a bolt penetrates through the fixed hole for fixing the magnetic core to the two base plates; and line outlet grooves are arranged on the base plates or the magnetic ring shield walls. The totally-enclosed split type powder metallurgy soft magnetic tank can solve the technical problem that the electromagnetic compatibility and the magnetic leakage flux can not be guaranteed because a coil is exposed out of a magnet by winding the coil on a circular iron powder core or a square split iron core in the prior art.

Description

technical field [0001] The invention relates to a manufacturing technology of electrical products such as reactors and transformers, and specifically belongs to the production technology of powder metallurgy soft magnetic tanks. Background technique [0002] At present, in the production of powder metallurgy soft magnetic powder core inductors and transformers, the existing technology is composed of circular or square assembled iron powder core, sendust aluminum, iron nickel molybdenum or iron nickel 50 and other materials and winding coils , the coil is exposed outside the magnet, and the electromagnetic compatibility and magnetic flux leakage cannot be guaranteed. Since the product cannot maintain a certain electrical insulation distance from the surroundings, the inductor and transformer cannot be used in occasions with large capacity and high requirements for magnetic flux leakage, and can only be used in high-frequency precision circuits and low-power electric and elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/30H01F27/36H01F27/34H01F41/00
Inventor 崔军军李月明张欣禹
Owner LANGFANG IN POWER ELECTRIC
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