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Inductive element and manufacturing method thereof

A technology of inductance components and manufacturing methods, which is applied in the fields of electrical components, inductance/transformer/magnet manufacturing, transformer/inductor components, etc., and can solve problems such as inability to implement concretely, ambiguity, etc.

Inactive Publication Date: 2008-09-03
HUZHOU RES INST OF MAGNETIC MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It can be seen that after reading these documents, the ordinary skilled person still cannot reproduce the invention. In the sense of the patent law, they cannot be called "disclosure", but only provide an idea. The technical means given are ambiguous to those skilled in the art and cannot be implemented concretely

Method used

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  • Inductive element and manufacturing method thereof
  • Inductive element and manufacturing method thereof
  • Inductive element and manufacturing method thereof

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Embodiment Construction

[0024] see figure 1 , figure 2 . In the prior art, the inductance element is composed of upper and lower magnetic cores 11, 12 and a coil 13. The lower magnetic core has a groove to accommodate the coil. After the coil 13 is placed in the lower magnetic core 11, the upper magnetic core 12 and its corresponding cover combined, and then glued and baked to make the two magnetic cores a clad body.

[0025] See Figure 3, Figure 4, Figure 5, Figure 6. The present invention includes a magnetic rod 1 and a coil 2. The coil is wound outside the magnetic rod. After the two are combined, they are put into a preset mold; the covering body 3 is a mixture of magnetic conductive powder and polymer insulating resin and other additives. , are powders with a particle size of less than 50 μm, mixed uniformly in a certain proportion, heated to 80-350°C to make it a fluid, injected into the mold from the injection molding machine, and condensed to form the coating body 3 .

[0026] The follow...

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Abstract

The present invention belongs to magnetoelectricity field, especially relates to an inductor element and manufacturing method thereof. The inductive element includes a magnetic rod, coil winded on magnetic rod and coating body outer the coil, coating body is coated outer the coil with an integrated injection molding modus which is characterized in that: magnetic conduction powdered ratio is 75-90% (weight proportion) in coating body. The production method of the inductive element is: the combination between the coil and the magnetic rod are imbedded into prearranged mold of injection molding machine; magnetic conduction powder and other addition agent discharges from hopper and is heated to 80-350 EDG C for forming fluid after mixed in proportion, and is coagulating molding after shot into mold for equably fully coating the surroundings of the coil and the magnetic rod; the required inductive element is obtained after demoulding. The present invention overcomes technology prejudice always existing in the present field, can obtain an inductive element without interstice on coating body, if the coating performance of the inductive element coating layer is more better, more compete shielding structure can be obtained.

Description

technical field [0001] The invention belongs to the field of magnetoelectricity, in particular to an inductance element and a manufacturing method thereof. Background technique [0002] The inductance element is an extremely important component in the electronics industry. The traditional inductance element is made by winding a magnetic material element; the other inductance element is a coating made of a magnetically permeable material wrapped outside the coil, so that form the inductive element. The traditional inductance element is composed of two magnetic cores, one upper and one lower, and a coil. The lower magnetic core has a groove for accommodating the coil. The upper magnetic core is covered with its corresponding cover, and then bonded by dispensing , baking and other processes, so that the two cores are combined into a cladding body. This kind of inductance element, there will be a gap at the combination of the two magnetic cores, which is a large magnetic perme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F17/04H01F27/255H01F3/08H01F41/00
Inventor 马荣平柯昕
Owner HUZHOU RES INST OF MAGNETIC MATERIALS
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