CN103762068A - Method for manufacturing inductor - Google Patents
Method for manufacturing inductor Download PDFInfo
- Publication number
- CN103762068A CN103762068A CN201210192365.XA CN201210192365A CN103762068A CN 103762068 A CN103762068 A CN 103762068A CN 201210192365 A CN201210192365 A CN 201210192365A CN 103762068 A CN103762068 A CN 103762068A
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- pin
- compression molding
- inductor
- magnetic
- molding groove
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- Manufacturing Cores, Coils, And Magnets (AREA)
- Insulating Of Coils (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a method for manufacturing an inductor. The method comprises coil winding, pin molding, applying of tin to a pin, burdening, feeding, pressure molding, pin bending and curing. In the pressure molding, a winding body consisting of a winding coil is placed into a pressure molding groove, the pin of the winding body extends out of the pressure molding groove, and metal magnetic powder is added into the pressure molding groove for performing die casting. In the curing, a magnetic powder-resin mixture is filled between an outer cover and a magnetic core wound with an enameled wire, and a finished product is obtained by curing.
Description
Technical field
The invention belongs to magnetoelectricity field, particularly relate to a kind of manufacture method of inductor.
Background technology
Inductance element is components and parts very important in electronic industry, and traditional electrical sensing unit is to wind the line and make in magnetic material element; Another kind of inductance element is at the made cladding of coil outer cladding one permeability magnetic material, thereby forms inductance element.Traditional inductance element, is formed by two magnetic cores and a coil combination one on the other, and the next magnetic core is provided with a groove, and for accommodating coil, upper magnetic core is corresponding with it to be covered, then through putting, gluingly connect, the technique such as baking, make two magnetic cores be combined into a cladding., can there is space two magnetic core combinations place in this inductance element, this is a very large magnetic conduction defect, can produce thus vibration and noise, also can cause magnetic loss to strengthen, and affects the quality factor (quality factor is called for short Q value) of inductance.On the other hand, such manufacture method needs handwork, and upper and lower two magnetic cores also need external coating, also contaminated environment, and processing cost is also higher, is unfavorable for a large amount of production.
For overcoming conventional magnetic element coiling problem, industry changes gradually adopts column magnetic core, its product can form magnetic line of force loop except around current-carrying coil, mostly all present radiation wire by the outside loss of core center, this is the main source of electromagnetic interference (EMI), and its magnetic line of force path is outer exposing to the sun in air all, there is no the function that strengthens magnetic field induction.
For improving open magnetic element shortcoming, market to be adopted in the outside mode that increases by an enclosing cover of magnetic core, is commonly called as combined magnetic core element (Drum Core), and combined magnetic core element is compared to open element, and it has two obvious advantages:
1. increase the additional magnetic line of force in magnetic material path, can strengthen the output of global magnetic field intensity.
2. enclosing cover guides to the magnetic line of force in enclosing cover material, reduces magnetic line of force loss.
But this kind of design still has assembly space (Gap) problem, owing to adopting assembling mode to form, therefore must have assembly space in assembly, this part space is by the magnetic loss causing more than 50%.
There are the following problems for existing processing method:
1, workman's labour intensity is high;
2, working (machining) efficiency is low;
3, the coiling density of coil and spacing are difficult to control, and cause processed homogeneity of product poor.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of manufacture method of inductor is provided.
The object of the invention is to be achieved through the following technical solutions:
A kind of manufacture method of inductor, comprise tin on coil winding, pin forming, pin, batching, material loading, compression molding, bending pins, solidify, described compression molding is that the winding body being comprised of coiled wire-wound coil is put into compression molding groove, the pin of winding body reaches outside compression molding groove, then at compression molding groove, adds metal magnetic powder to carry out die casting processing; Described curing be at outer cover and be wound with between the magnetic core of enamelled wire and fill magnet powder-resin compound, after solidifying, become finished product.
Preferably, described compression molding also comprises the outside that pin is reached to the magnetic core pedestal being formed by powder pressing, forms the electrode tip of this inductor.
Compared with prior art, tool of the present invention has the following advantages: manufacture simply, electrical characteristic is good.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only part embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the invention protection.
Embodiment 1
A kind of manufacture method of inductor, comprise tin on coil winding, pin forming, pin, batching, material loading, compression molding, bending pins, solidify, described compression molding is that the winding body being comprised of coiled wire-wound coil is put into compression molding groove, the pin of winding body reaches outside compression molding groove, then at compression molding groove, adds metal magnetic powder to carry out die casting processing; Described curing be at outer cover and be wound with between the magnetic core of enamelled wire and fill magnet powder-resin compound, after solidifying, become finished product.
Preferably, described compression molding also comprises the outside that pin is reached to the magnetic core pedestal being formed by powder pressing, forms the electrode tip of this inductor.
Claims (2)
1. the manufacture method of an inductor, comprise tin on coil winding, pin forming, pin, batching, material loading, compression molding, bending pins, solidify, it is characterized in that: described compression molding is that the winding body being comprised of coiled wire-wound coil is put into compression molding groove, the pin of winding body reaches outside compression molding groove, then at compression molding groove, adds metal magnetic powder to carry out die casting processing; Described curing be at outer cover and be wound with between the magnetic core of enamelled wire and fill magnet powder-resin compound, after solidifying, become finished product.
2. the manufacture method of inductor according to claim 1, is characterized in that, described compression molding also comprises the outside that pin is reached to the magnetic core pedestal being formed by powder pressing, forms the electrode tip of this inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210192365.XA CN103762068A (en) | 2012-06-12 | 2012-06-12 | Method for manufacturing inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210192365.XA CN103762068A (en) | 2012-06-12 | 2012-06-12 | Method for manufacturing inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103762068A true CN103762068A (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210192365.XA Pending CN103762068A (en) | 2012-06-12 | 2012-06-12 | Method for manufacturing inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103762068A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252055A (en) * | 2016-08-04 | 2016-12-21 | 重庆金籁科技股份有限公司 | A kind of integrated inductance and preparation method thereof |
-
2012
- 2012-06-12 CN CN201210192365.XA patent/CN103762068A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252055A (en) * | 2016-08-04 | 2016-12-21 | 重庆金籁科技股份有限公司 | A kind of integrated inductance and preparation method thereof |
| CN106252055B (en) * | 2016-08-04 | 2018-03-27 | 重庆金籁科技股份有限公司 | A kind of integrated inductance and preparation method thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |