CN207217246U - A kind of chip inductor suitable for volume production - Google Patents

A kind of chip inductor suitable for volume production Download PDF

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Publication number
CN207217246U
CN207217246U CN201721052087.2U CN201721052087U CN207217246U CN 207217246 U CN207217246 U CN 207217246U CN 201721052087 U CN201721052087 U CN 201721052087U CN 207217246 U CN207217246 U CN 207217246U
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CN
China
Prior art keywords
coil
positive terminal
chip inductor
volume production
solder side
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201721052087.2U
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Chinese (zh)
Inventor
吴松
曾跃群
王伟
张立华
屈敏
孙伟
雷星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan City Pine Group Electronic Technology Co Ltd
Original Assignee
Dongguan City Pine Group Electronic Technology Co Ltd
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Priority to CN201721052087.2U priority Critical patent/CN207217246U/en
Application granted granted Critical
Publication of CN207217246U publication Critical patent/CN207217246U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It the utility model is related to electronic component technology field, and in particular to a kind of chip inductor suitable for volume production, including magnetic core, coil and solder sections;The magnetic core from top to bottom sets gradually lettering face, connecting pole and solder side, lettering face, connecting pole and the solder side are integrally formed by Ferrious material alloy soft magnetic powder die casting, the magnetic core both sides are correspondingly provided with two halves disc, fixing groove is correspondingly offered at the point of greatest diameter of the two halves disc, the fixing groove opening is provided with inclined-plane;The coil is set around connecting pole, and the coil is provided with positive terminal and negative pole end, and the positive terminal and negative pole end are overlapped in solder side along fixing groove respectively, and positive terminal and negative pole end are welded in solder side by the solder sections;The utility model in actual use, is easy to produce in enormous quantities, is adapted for carrying out automated production, and production efficiency is high, and using effect is good.

Description

A kind of chip inductor suitable for volume production
Technical field
Electronic component technology field is the utility model is related to, more particularly to a kind of chip inductor suitable for volume production.
Background technology
With the development of electronic technology, electronic component is gradually to miniaturization, lightweight, high frequency, high current, low EMI (electromagnetic interference) and low manufacturing cost and high reliability development, it is desirable to which product is in high temperature change and strength external impacts In the case of, remain to keep excellent performance.At present, various wire-wound inductor component kinds are various, but almost can not be preferable Take into account all of the above requirement product.
Wherein chip inductor (Chip inductors), also known as power inductance, heavy-current inductor and surface mount Gao Gong Rate inductance.With miniaturization, high-quality, the characteristic such as high energy storage and low resistance;Chip inductor is also divided into winding-type, lamination Type, film chip and Weaving type.
The characteristics of winding-type on existing market is that inductance value scope is wide (mH~H), and inductance accuracy of measurement is high, and small (i.e. Q is lost Greatly), allowable current is big, manufacture craft inheritance is strong, simple, cost is low etc., but weak point is in terms of further miniaturization It is restricted, it is difficult to adapt to produce in enormous quantities, low production efficiency.
Utility model content
To solve the above problems, the utility model provides one kind in actual use, it is easy to produce in enormous quantities, is suitable for reality Existing automated production, production efficiency is high, the good chip inductor suitable for volume production of using effect.
Technical scheme is used by the utility model:A kind of chip inductor suitable for volume production, including magnetic core, coil and weldering Tin portion;The magnetic core from top to bottom sets gradually lettering face, connecting pole and solder side, lettering face, connecting pole and the solder side It is integrally formed by Ferrious material alloy soft magnetic powder die casting, the magnetic core both sides are correspondingly provided with two halves disc, the two halves disc Fixing groove is correspondingly offered at point of greatest diameter, the fixing groove opening is provided with inclined-plane;The coil is set around connecting pole, institute State coil and be provided with positive terminal and negative pole end, the positive terminal and negative pole end are overlapped in solder side, the scolding tin along fixing groove respectively Positive terminal and negative pole end are welded in solder side by portion.
Further improvement of these options, which is that the solder side is located at two halves disc, offers welding groove, it is described just Extreme and negative pole end is overlapped in welding groove along fixing groove respectively.
Further improvement of these options is that described welding groove bottom " V " word shape is set.
Further improvement of these options is, the two halves disc is provided with a parting bead between welding groove positioned at opening up.
Further improvement of these options is that the connecting pole is circular connecting pole.
Further improvement of these options is that the welding groove bottom is provided with a conductive layer.
Further improvement of these options is that the positive terminal and negative pole end offer connector.
Further improvement of these options is that the coil diameter is less than the maximum gauge of magnetic core.
The beneficial effects of the utility model are:
1st, a kind of chip inductor suitable for volume production, in a first aspect, being provided with magnetic core, coil and solder sections, played by magnetic core Bulk conductor effect, it is easy to use, guide effect is played by coil, coil is connected with magnetic core plays filtering and oscillation action, Magnetic core is connected with coil by solder sections, good connecting effect, is simple to manufacture;Second aspect, the magnetic core is from top to bottom successively Lettering face, connecting pole and solder side are set, the model and power sensibility reciprocal of inductance are printed or sprayed by lettering face, passes through solder side It is connected with coil, solder side is connected with lettering face by connecting pole, is easy to use;The third aspect, the lettering face, connecting pole Be integrally formed with solder side by Ferrious material alloy soft magnetic powder die casting, by being integrally formed, be easy in process of production die casting or Injection molding, it is easy to produce in enormous quantities, yield is high;Fourth aspect, the magnetic core both sides are correspondingly provided with two halves disc, pass through semicircle Set, it is easy to use, it is easily manufactured, fixing groove is correspondingly offered at the point of greatest diameter of the two halves disc, passes through fixing groove Fixed effect is played to coil, is easy to coil to weld, the fixing groove opening is provided with inclined-plane, can further facilitate coil and consolidate It is scheduled in fixing groove, is easy to manufacture, production efficiency is high, good fixing effect;5th aspect, the coil are set around connecting pole, just It is connected in coil with magnetic core and plays filtering and oscillation action, the coil is provided with positive terminal and negative pole end, the positive terminal and bears Solder side extremely is overlapped in along fixing groove respectively, is connected by positive and negative extreme be easy to use, and is fixed respectively between the two poles of the earth, can Connection effect is played, is easy to manufacture, positive terminal and negative pole end are welded in solder side by the solder sections, by welding not by coil It is connected to form an inductance with magnetic core, filtering and oscillation action can be effectively played;The utility model in actual use, is easy to big Batch production, automated production is adapted for carrying out, production efficiency is high, and using effect is good.
2nd, the solder side, which is located at two halves disc, offers welding groove, and the positive terminal and negative pole end are respectively along fixing groove Welding groove is overlapped in, is easy to position positive terminal and negative pole end by welding groove, is also convenient for solder sections by positive terminal and negative pole end Welding, convenient welding, production efficiency is high.
3rd, described welding groove bottom " V " word shape is set, can be further by positive terminal and the overlap joint of negative pole end, positioning Effect is good, and manufacture efficiency is high.
4th, the two halves disc is provided with a parting bead between welding groove positioned at opening up, by parting bead by positive terminal and negative pole end every From preventing short circuit phenomenon, safety coefficient is high.
5th, the connecting pole is circular connecting pole, is easy to the winding of coil, can ensure that coil will not in high speed winding Impaired, safety coefficient is high, is adapted to high-speed production.
6th, the welding groove bottom is provided with a conductive layer, is played by conductive layer and is conductively connected effect, while is easy to scolding tin The welding in portion, scolding tin are convenient.
7th, the positive terminal and negative pole end offer connector, are easy to the welding of solder sections, scolding tin is convenient, manufacture efficiency It is high.
8th, the coil diameter is less than the maximum gauge of magnetic core, prevents coil to be more than most diameters of magnetic core, was using Touched in journey with other electron component, produce short circuit phenomenon, easy to use, using effect is good.
Brief description of the drawings
Fig. 1 is schematic perspective view of the present utility model;
Fig. 2 is structural representation of the present utility model.
Accompanying drawing identifier declaration:Inductance 100, magnetic core 110, lettering face 111, connecting pole 112, solder side 113, welding groove 113a, semi circular surface 114, fixing groove 115, parting bead 116, coil 120, positive terminal 121, negative pole end 122, connector 123, solder sections 130。
Embodiment
The utility model is further described below in conjunction with accompanying drawing.
As shown in Fig. 1~Fig. 2, schematic perspective view and structural representation respectively of the present utility model.
A kind of chip inductor 100 suitable for volume production, including magnetic core 110, coil 120 and solder sections 130;The magnetic core 110 From top to bottom set gradually lettering face 111, connecting pole 112 and solder side 113, the lettering face 111, connecting pole 112 and welding Face 113 is integrally formed by Ferrious material alloy soft magnetic powder die casting, and the both sides of magnetic core 110 are correspondingly provided with two halves disc 114, described Fixing groove 115 is correspondingly offered at the point of greatest diameter of two halves disc 114, the opening of fixing groove 115 is provided with inclined-plane 115a; The coil 120 is set around connecting pole 112, and the coil 120 is provided with positive terminal 121 and negative pole end 122, the positive terminal 121 Solder side 113 is overlapped in negative pole end 122 along fixing groove 115 respectively, and the solder sections 130 are by positive terminal 121 and negative pole end 122 It is welded in solder side 113.
Solder side 113, which is located at two halves disc 114, offers welding groove 113a, and the positive terminal 121 and negative pole end 122 divide Welding groove 113a is not overlapped in along fixing groove 115, is easy to position positive terminal 121 and negative pole end 122 by welding groove 113a, also It is easy to welding of the solder sections 130 by positive terminal 121 and negative pole end 122, convenient welding, production efficiency height.
Welding groove 113a bottom surfaces " V " word shape is set, can further by positive terminal 121 and the overlap joint of negative pole end 122, Good positioning effect, manufacture efficiency are high.
Two halves disc 114 is provided with a parting bead 116 between welding groove 113a positioned at opening up, by parting bead 116 by positive terminal 121 Isolate with negative pole end 122, prevent short circuit phenomenon, safety coefficient is high.
Connecting pole 112 is circular connecting pole 112, is easy to the winding of coil 120, coil 120 can be ensured in high speed winding When be not damaged, safety coefficient is high, is adapted to high-speed production.
Welding groove 113a bottom surfaces are provided with a conductive layer 113b, are played by conductive layer 113b and are conductively connected effect, while just It is convenient in the welding of solder sections 130, scolding tin.
Positive terminal 121 and negative pole end 122 offer connector 123, are easy to the welding of solder sections 130, and scolding tin is convenient, system Make efficiency high.
The diameter of coil 120 is less than the maximum gauge of magnetic core 110, prevents coil 120 to be more than most diameters of magnetic core 110, Touched during use with other electron component, produce short circuit phenomenon, easy to use, using effect is good.
In a first aspect, being provided with magnetic core 110, coil 120 and solder sections 130, bulk conductor effect is played by magnetic core 110, It is easy to use, guide effect is played by coil 120, coil 120 is connected with magnetic core 110 plays filtering and oscillation action, passes through Magnetic core 110 is connected by solder sections 130 with coil 120, good connecting effect, is simple to manufacture;Second aspect, the magnetic core 110 is by upper Lettering face 111, connecting pole 112 and solder side 113 are set gradually under, the type of inductance 100 is printed or sprayed by lettering face 111 Number and power sensibility reciprocal, be connected by solder side 113 with coil 120, by connecting pole 112 by solder side 113 and the phase of lettering face 111 Even, it is easy to use;The third aspect, the lettering face 111, connecting pole 112 and solder side 113 are by Ferrious material alloy soft magnetic powder pressure Casting is integrally formed, and by being integrally formed, is easy to die casting or injection molding in process of production, is easy to produce in enormous quantities, and yield is high; Fourth aspect, the both sides of magnetic core 110 are correspondingly provided with two halves disc 114, set by semicircle, easy to use, easily manufactured, institute State and fixing groove 115 is correspondingly offered at the point of greatest diameter of two halves disc 114, fixation is played to coil 120 by fixing groove 115 Effect, it is easy to coil 120 to weld, the opening of fixing groove 115 is provided with inclined-plane 115a, and it is solid can to further facilitate coil 120 It is scheduled in fixing groove 115, is easy to manufacture, production efficiency is high, good fixing effect;5th aspect, the coil 120 are set around connection Post 112, it is easy to coil 120 to be connected with magnetic core 110 and plays filtering and oscillation action, the coil 120 is provided with positive terminal 121 and born Extreme 122, the positive terminal 121 and negative pole end 122 are overlapped in solder side 113 along fixing groove 115 respectively, by positive and negative extreme 122 are easy to use connection, and are fixed respectively between the two poles of the earth, can play connection effect, be easy to manufacture, and the solder sections 130 will Positive terminal 121 and negative pole end 122 are welded in solder side 113, are not connected coil 120 with magnetic core 110 by welding to form an electricity Sense 100, filtering and oscillation action can be effectively played;The utility model in actual use, is easy to produce in enormous quantities, is suitable for Automated production is realized, production efficiency is high, and using effect is good.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (8)

  1. A kind of 1. chip inductor suitable for volume production, it is characterised in that:Including magnetic core, coil and solder sections;The magnetic core is by up to Under set gradually lettering face, connecting pole and solder side, lettering face, connecting pole and the solder side are by Ferrious material alloy soft magnetic powder Die casting is integrally formed, and the magnetic core both sides are correspondingly provided with two halves disc, are correspondingly opened up at the point of greatest diameter of the two halves disc There is fixing groove, the fixing groove opening is provided with inclined-plane;The coil is set around connecting pole, and the coil is provided with positive terminal and born Extremely, the positive terminal and negative pole end are overlapped in solder side along fixing groove respectively, and the solder sections weld positive terminal and negative pole end It is connected to solder side.
  2. A kind of 2. chip inductor suitable for volume production according to claim 1, it is characterised in that:The solder side is located at two halves Welding groove is offered at disc, the positive terminal and negative pole end are overlapped in welding groove along fixing groove respectively.
  3. A kind of 3. chip inductor suitable for volume production according to claim 2, it is characterised in that:The welding groove bottom " V " Word shape is set.
  4. A kind of 4. chip inductor suitable for volume production according to claim 3, it is characterised in that:The two halves disc, which is located at, to be opened If a parting bead is provided between welding groove.
  5. A kind of 5. chip inductor suitable for volume production according to claim 4, it is characterised in that:The connecting pole connects to be circular Connect post.
  6. A kind of 6. chip inductor suitable for volume production according to claim 5, it is characterised in that:The welding groove bottom is provided with One conductive layer.
  7. A kind of 7. chip inductor suitable for volume production according to claim 6, it is characterised in that:The positive terminal and negative pole end Offer connector.
  8. A kind of 8. chip inductor suitable for volume production according to claim 7, it is characterised in that:The coil diameter is less than magnetic The maximum gauge of core.
CN201721052087.2U 2017-08-22 2017-08-22 A kind of chip inductor suitable for volume production Expired - Fee Related CN207217246U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721052087.2U CN207217246U (en) 2017-08-22 2017-08-22 A kind of chip inductor suitable for volume production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721052087.2U CN207217246U (en) 2017-08-22 2017-08-22 A kind of chip inductor suitable for volume production

Publications (1)

Publication Number Publication Date
CN207217246U true CN207217246U (en) 2018-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721052087.2U Expired - Fee Related CN207217246U (en) 2017-08-22 2017-08-22 A kind of chip inductor suitable for volume production

Country Status (1)

Country Link
CN (1) CN207217246U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113178312B (en) * 2021-03-27 2022-06-28 安徽省昌盛电子有限公司 Integrated into one piece inductance that direct current superposition characteristic is high

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113178312B (en) * 2021-03-27 2022-06-28 安徽省昌盛电子有限公司 Integrated into one piece inductance that direct current superposition characteristic is high

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180410

Termination date: 20190822

CF01 Termination of patent right due to non-payment of annual fee