CN202183292U - Improved and integrated inducer - Google Patents
Improved and integrated inducer Download PDFInfo
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- CN202183292U CN202183292U CN2011202735057U CN201120273505U CN202183292U CN 202183292 U CN202183292 U CN 202183292U CN 2011202735057 U CN2011202735057 U CN 2011202735057U CN 201120273505 U CN201120273505 U CN 201120273505U CN 202183292 U CN202183292 U CN 202183292U
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- electrode pin
- magnetic solid
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Abstract
The utility model discloses an improved and integrated inducer, comprising a coil, a magnetic solid and two electrode pins, wherein the coil is embedded in the magnetic solid; one end of the electrode pin is taken as a first end part, and the other end of the electrode pin is taken as a second end part; the first end parts of the two electrode pins are respectively embedded in the solid; and the two electrode pins are respectively welded with two ends of the coil. For the improved and integrated inducer, the appearance is more attractive, the size is easier to control, and as the welding spots between coil pins and electrode pieces are completely wrapped in the magnetic solid, the problem of overflowing of solder paste is avoided, thereby being beneficial to ensuring the appearance size and attractiveness of the inducer.
Description
Technical field
The utility model discloses a kind of modified model integrally-formed inductor.
Background technology
Inductor is called inductance coil again, and it is one of primary element of forming in electronic circuit, in electronic circuit, extensively adopts.In alternating current circuit, inductance coil has obstruction to exchange the ability of passing through, and to direct current inoperative (except that the D.C. resistance of coil itself), so inductance coil plays effects such as choked flow, step-down, crosslinked coupling and load in alternating current circuit.When inductance and electric capacity cooperate, then can be used for tuning, filtering, frequency-selecting, decoupling etc.Early stage inductor mainly is the wire wound inductor, the structure of wire wound inductor be enamelled wire is wound in magnetic conductor (magnetic core, iron core or copper core) the outside to form cylindrical inductor, I-shaped inductor and toroidal inductor etc.Yet, because the coil and the magnetic conductor of this kind wire wound inductor is not integral structure, thus its have inductance value direct current saturation characteristic on the low side, anti-poor, be difficult to guarantee problems such as product parameters consistency and processing efficient are low.So; Engendered the integrally-formed inductor of processing through the moulding of one press-powder afterwards, its have unidimensional, dc impedance is low, can guarantee that the anti-electric current inductance value range of decrease is smooth-going, full-closed structure can be avoided noise and be applicable to plurality of advantages such as SMT surface mount and more and more receive people's favor.The structure of integrally-formed inductor of the prior art has generally included coil, electrode slice and magnetic core housing, and this coil is filled out to be overlying in the magnetic core housing, and the free terminal and the electrode slice of coil are welded to connect, and are close to after the electrode slice bending on the magnetic core surface of shell.Yet; Integrally-formed inductor conventional in the prior art still has the many shortcomings on self structure and the performance: at first; Its coil and electrode slice are when being welded to connect, and coil free end and electrode slice only are to overlap simply to carry out weld job, make between coil and the electrode slice bonding strength a little less than; Become flexible and the normal connection of influence easily, even cause product rejection; Secondly, the employing manual welding operation of the welding manner of its coil free end and electrode slice system, loaded down with trivial details, the inefficiency of technology not only, and dry joint occurs easily and have that conductivity is not good, high quality hidden danger is crossed in impedance; Moreover because the solder joint of its coil free end and electrode slice system is arranged in the groove of magnetic core housing, in the actual welding operation process, its tin cream usually overflows groove and flow on the magnetic core surface of shell, so that have influence on the overall dimension and the overall appearance of inductor.
Summary of the invention
To the shortcoming that the above-mentioned inductor of mentioning of the prior art exists, the utility model provides a kind of new modified model integrally-formed inductor, and its first end with coil and electrode pin is inlaid in the magnetic solid, addresses the above problem.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of modified model integrally-formed inductor; Inductance comprises coil, magnetic solid and two electrode pin; Coil is embedded in the magnetic solid, and electrode pin one end is a first end, and the other end is a second end; The first end of two electrode pin is inlaid in respectively in the magnetic solid, and two electrode pin weld together with the two ends of coil respectively.
The technical scheme that its technical problem that solves the utility model adopts further comprises:
Described magnetic solid adopts soft magnetic alloy powder or insulated iron powder to adopt the press-powder moulding process to process.
Maintain electric clearance between the first end of described electrode pin and the magnetic solid.
The middle part of described first end is provided with a location short slot.
Described first end is respectively with first end in short slot both sides, location and is wholely set; And outwards laterally extend two position limit arms; The coil two ends are welded on respectively on the position limit arm on the first end of an electrode pin, and position limit arm is filled out and is overlying in the magnetic solid.
The second end of described electrode pin is close to magnetic solid surface after stretching out the outer bending of magnetic solid.
The beneficial effect of the utility model is: one, the utility model to manufacture efficient higher; The utility model is through rationally arranging the manufacture craft of inductor; Simplify and make flow process; The processing step that it makes electrode pin, assembling coil, overbaking baking oven, press-powder moulding magnetic solid, cut electrode pin and bending electrode pin all can fulfil assignment through automation equipment; Can realize the full automation operation, thereby make the making of inductor become simple and rapidly to have high efficiency, high-quality outstanding feature.Two, more attractive in appearance, the size of the outward appearance of the utility model is better controlled; Because the system of the solder joint between its coil pin and the electrode slice is coated in the real gonosome of magnetic fully; Therefore do not have the problem that tin cream overflows, thereby help guaranteeing the overall dimension and the aesthetic property of inductor.
To combine accompanying drawing and embodiment that the utility model is further specified below.
Description of drawings
Fig. 1 is the assembling perspective view of the embodiment of the utility model.
Fig. 2 is the status architecture sketch map when the electrode pin launches among the embodiment of the utility model.
Fig. 3 is the internal structure sketch map of the utility model inductance.
Among the figure, 1-electrode pin, 2-magnetic solid, the 3-coil, the 4-coil pin, the 5-first end, the 6-the second end, 7-locatees short slot, 8-position limit arm.
Embodiment
Present embodiment is the utility model preferred implementation, and other all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection range.
Please referring to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3; The utility model is a kind of modified model integrally-formed inductor; Mainly comprise coil 3, magnetic solid 2 and two electrode pin 1; Coil 3 is embedded in the magnetic solid 2, and in the present embodiment, magnetic solid 2 adopts soft magnetic alloy powder or insulated iron powder to adopt the press-powder moulding process to process.Electrode pin 1 one ends are first end 5; The other end is a second end 6; The first end 5 of two electrode pin 1 is inlaid in respectively in the magnetic solid 2, and in the present embodiment, the middle part of the first end 5 of electrode pin 1 is provided with a location short slot 7; First end 5 is respectively with first end 5 in short slot 7 both sides, location and is wholely set; And outwards laterally extend two position limit arms 8, the coil pin 4 at coil 3 two ends is welded on respectively on the position limit arm 8 on the first end 5 of an electrode pin 1, and position limit arm 8 is filled out and is overlying in the magnetic solid 2.In the present embodiment, maintain electric clearance between the first end 5 of electrode pin 1 and the magnetic solid 2.In the present embodiment, the second end 6 of electrode pin 1 is close to magnetic solid 2 surfaces after stretching out the 2 outer bendings of magnetic solid, in the present embodiment; Electrode pin 1 stretches out magnetic solid 2 outsides from the centre position of magnetic solid 2; The second end 6 of right latter two electrode pin 1 bends to same direction along magnetic solid 2 outer surfaces, is close to magnetic solid 2 surfaces, and is last; The second end 6 of two electrode pin 1 is folded to the two ends of magnetic solid 2 with one side, is convenient to the SMT welding.
The manufacturing process of the inductance of the utility model protection, it mainly comprises the steps:
A, making electrode pin 1: punch forming goes out two electrode pin 1 on the strip of thin-sheet metal; The second end 6 of two electrode pin 1 is connected on the strip; The first end 5 of two electrode pin 1 laterally over against and keep electric clearance, go out the position limit arm 8 and the middle location short slot 7 of both sides simultaneously in first end 5 punch formings of two electrode pin 1;
B, assembling coil 3: at first position limit arm 8 one ends are linked to each other with coil pin 4 crimping of coil 3, apply tin cream then;
C, overbaking baking oven: the strip that is assembled with coil 3 among the step B sent in the oven heat, make the tin cream fusing and coil 3 joints and electrode pin 1 are welded to connect;
D, press-powder moulding magnetic solid 2: mold magnetic solid 2 through mould press-powder outside above-mentioned coil 3; Make magnetic solid 2 envelope the first end 5 of coil 3 and two electrode pin 1, the routine techniques means are adopted in the press-powder moulding in the present embodiment;
E, cut electrode pin 1: on strip, cut off being connected of strip and electrode pin 1 the second end 6, isolate the inductor element of monomer;
F, bending electrode pin 1; The second end 6 bendings with the electrode pin 1 of the inductor element of monomer are close on magnetic solid 2 surfaces the second end 6, finished product.
The design focal point of the utility model is that it mainly is a coil pin 4 and electrode pin 1 of utilizing two kinds of technology fixed coils 3 of crimping and welding, then utilizes the 2 pairs of coil pin of magnetic solid 4 of press-powder moulding and the solder joint of electrode pin 1 to coat once more; Make this coil pin 4 and being connected of electrode pin 1 become extremely solid and reliable through dual locking; With the bonding strength between intensifier coil 3 and the electrode pin 1, guarantee the electric conductivity between coil 3 and the electrode pin 1 by this, help reducing impedance; Reduce fraction defective; Avoid the generation of quality hidden danger, finally, promote the competitiveness of product in market to improve product quality greatly.Simultaneously, because the solder joint between its coil pin 4 and the electrode pin 1 is coated in the real gonosome of magnetic fully, does not therefore have the problem that tin cream overflows, thereby help guaranteeing the overall dimension and the aesthetic property of inductor in the utility model.In addition; The utility model is through rationally arranging the manufacture craft of inductor; Simplify to make flow process, the processing step that it makes electrode pin, assembling coil, overbaking baking oven, press-powder moulding magnetic solid, cut electrode pin and bending electrode pin all can fulfil assignment through automation equipment, can realize the full automation operation; Thereby make the making of inductor become simple and rapidly, have high efficiency, high-quality outstanding feature.
The utility model to manufacture efficient higher; The utility model is through rationally arranging the manufacture craft of inductor; Simplify to make flow process, the processing step that it makes electrode pin, assembling coil, overbaking baking oven, press-powder moulding magnetic solid, cut electrode pin and bending electrode pin all can fulfil assignment through automation equipment, can realize the full automation operation; Thereby make the making of inductor become simple and rapidly, have high efficiency, high-quality outstanding feature.The outward appearance of the utility model is more attractive in appearance, size is better controlled; Because the system of the solder joint between its coil pin and the electrode slice is coated in the real gonosome of magnetic fully; Therefore do not have the problem that tin cream overflows, thereby help guaranteeing the overall dimension and the aesthetic property of inductor.
The above; Only be preferred embodiment and oneself of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. modified model integrally-formed inductor; It is characterized in that: described inductor comprises coil, magnetic solid and two electrode pin; Coil is embedded in the magnetic solid, and electrode pin one end is a first end, and the other end is a second end; The first end of two electrode pin is inlaid in respectively in the magnetic solid, and two electrode pin weld together with the two ends of coil respectively.
2. modified model integrally-formed inductor according to claim 1 is characterized in that: described magnetic solid adopts soft magnetic alloy powder or insulated iron powder to adopt the press-powder moulding process to process.
3. modified model integrally-formed inductor according to claim 1 is characterized in that: maintain electric clearance between the first end of described electrode pin and the magnetic solid.
4. modified model integrally-formed inductor according to claim 1 is characterized in that: the middle part of described first end is provided with a location short slot.
5. modified model integrally-formed inductor according to claim 4; It is characterized in that: described first end is respectively with first end in short slot both sides, location and is wholely set; And outwards laterally extend two position limit arms; The coil two ends are welded on respectively on the position limit arm on the first end of an electrode pin, and position limit arm is filled out and is overlying in the magnetic solid.
6. modified model integrally-formed inductor according to claim 1 is characterized in that: the second end of described electrode pin is close to magnetic solid surface after stretching out the outer bending of magnetic solid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202735057U CN202183292U (en) | 2011-07-29 | 2011-07-29 | Improved and integrated inducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202735057U CN202183292U (en) | 2011-07-29 | 2011-07-29 | Improved and integrated inducer |
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| Publication Number | Publication Date |
|---|---|
| CN202183292U true CN202183292U (en) | 2012-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202735057U Expired - Lifetime CN202183292U (en) | 2011-07-29 | 2011-07-29 | Improved and integrated inducer |
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| CN (1) | CN202183292U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682951A (en) * | 2012-05-25 | 2012-09-19 | 深圳市麦捷微电子科技股份有限公司 | High-power flat inductor and method for manufacturing same |
| CN109754987A (en) * | 2019-02-13 | 2019-05-14 | 青岛云路新能源科技有限公司 | A kind of integrally-formed inductor |
| CN112466599A (en) * | 2020-11-19 | 2021-03-09 | 横店集团东磁股份有限公司 | High-low pin coil inductor and manufacturing method thereof |
-
2011
- 2011-07-29 CN CN2011202735057U patent/CN202183292U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682951A (en) * | 2012-05-25 | 2012-09-19 | 深圳市麦捷微电子科技股份有限公司 | High-power flat inductor and method for manufacturing same |
| CN102682951B (en) * | 2012-05-25 | 2013-12-25 | 深圳市麦捷微电子科技股份有限公司 | High-power flat inductor and method for manufacturing same |
| CN109754987A (en) * | 2019-02-13 | 2019-05-14 | 青岛云路新能源科技有限公司 | A kind of integrally-formed inductor |
| CN112466599A (en) * | 2020-11-19 | 2021-03-09 | 横店集团东磁股份有限公司 | High-low pin coil inductor and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |