CN204537820U - There is the SMD heavy-current inductor coil of EMI of high stability - Google Patents
There is the SMD heavy-current inductor coil of EMI of high stability Download PDFInfo
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- CN204537820U CN204537820U CN201520169463.0U CN201520169463U CN204537820U CN 204537820 U CN204537820 U CN 204537820U CN 201520169463 U CN201520169463 U CN 201520169463U CN 204537820 U CN204537820 U CN 204537820U
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- magnetic core
- winding
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- inductor coil
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Abstract
This application discloses a kind of SMD heavy-current inductor coil of EMI with high stability, comprise: magnetic core base, magnetic core lid, and winding, the wrapping post for accommodating winding is provided with in magnetic core base and magnetic core lid, winding is formed by the coiling of sub-thread flat copper wire, magnetic core base is fixed with the false pin of a shell fragment, the false pin of shell fragment and winding electric are isolated.Like this, due to the design of the false pin of shell fragment, SMD heavy-current inductor coil can weld with external devices securely mutually, ensure that the stability of SMD heavy-current inductor coil, thus volume can do greatly, ensure that larger electric current and inductance value.
Description
Technical field
The application relates to inductance coil field, particularly relates to a kind of SMD heavy-current inductor coil of EMI with high stability.
Background technology
Existing electromagnetic interference (Electromagnetic Interference, EMI) device mainly can be used for the electromechanics of the technical grade of all kinds of super-large current or aerospace grade, solar-electricity source converter or charging pile power management section.Generally, circular copper wire is normally wound on the shaping magnetic core of stamping of powder by SMD heavy-current inductor coil, form winding, due to raw material and production technology restriction, usual this SMD heavy-current inductor winding volume is all less, generally below the volume of 13mm × 13mm × 13mm, maximum current is also at about 60A, maximum induction amount also can only accomplish 100uH, and is all adopt circular copper wire point to be welded on copper strips, then carries out oil pressure moulding process.
Summary of the invention
The application is intended to one of solve the problems of the technologies described above at least to a certain extent.
The application provides a kind of SMD heavy-current inductor coil of EMI with high stability, comprising:
Magnetic core base, magnetic core lid, and winding, the wrapping post for accommodating described winding is provided with in described magnetic core base and described magnetic core lid, described winding is formed by the coiling of sub-thread flat copper wire, described magnetic core base is fixed with the false pin of a shell fragment, the false pin of described shell fragment and described winding electric are isolated.
Further, described magnetic core base is also provided with two bonding wire pin, described bonding wire pin welds mutually with the binding post of described winding.
Further, the binding post of described winding directly welds mutually with outside weldings point.
Further, described winding and described magnetic core base, described winding and described magnetic core lid, all bonded by adhesive means between described magnetic core base and described magnetic core lid.
The beneficial effect of the application is:
By providing a kind of SMD heavy-current inductor coil of EMI with high stability, comprise: magnetic core base, magnetic core lid, and winding, the wrapping post for accommodating winding is provided with in magnetic core base and magnetic core lid, winding is formed by the coiling of sub-thread flat copper wire, magnetic core base is fixed with the false pin of a shell fragment, the false pin of shell fragment and winding electric are isolated.Like this, due to the design of the false pin of shell fragment, SMD heavy-current inductor coil can weld with external devices securely mutually, ensure that the stability of SMD heavy-current inductor coil, thus volume can do greatly, ensure that larger electric current and inductance value.
Accompanying drawing explanation
Fig. 1 is the perspective view of the SMD heavy-current inductor coil of the embodiment of the present application one.
Fig. 2 is the front view of the SMD heavy-current inductor coil of the embodiment of the present application one.
Fig. 3 is the right view of the SMD heavy-current inductor coil of the embodiment of the present application one.
Fig. 4 is the exploded view of the SMD heavy-current inductor coil of the embodiment of the present application one.
Embodiment
Be described below in detail the embodiment of the application, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the application, and the restriction to the application can not be interpreted as.
In the description of the application, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the application and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the application can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In the description of the application, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In this application, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this application can be understood as the case may be.
In this application, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
By reference to the accompanying drawings the application is described in further detail below by embodiment.
Embodiment one:
Please refer to Fig. 1-4; present embodiments provide a kind of SMD heavy-current inductor coil of EMI with high stability; mainly can be used for the electromechanics of the technical grade of all kinds of super-large current or aerospace grade, solar-electricity source converter or charging pile power management section; therefore, the protection range of the application prolongs too and comprises these devices of SMD heavy-current inductor coil.
The SMD heavy-current inductor coil of the present embodiment mainly comprises: magnetic core base 1, magnetic core lid 2, and winding 3, the wrapping post 111 for accommodating winding 3 is provided with in magnetic core base 1 and magnetic core lid 2, winding 3 is formed by the coiling of sub-thread flat copper wire, magnetic core base 1 is fixed with the false pin 11 of a shell fragment, the false pin 11 of shell fragment and winding 3 electric isolution.
Particularly, in the present embodiment, magnetic core base 1 is also provided with two bonding wire pin 12, bonding wire pin 12 welds mutually with the binding post 31 of winding 3.Winding 3 and magnetic core base 1, winding 3 and magnetic core lid 2, all to be bonded by adhesive means between magnetic core base 1 and magnetic core lid 2.
The processing method of above-mentioned SMD heavy-current inductor coil is roughly as following:
First, ferronickel powder is pressed into magnetic core base and magnetic core lid; Then, one section of flat copper wire is turned to hollow winding on forming machine; Then, magnetic core base and magnetic core lid put black glue, winding is placed in magnetic core base; Again glue is coated on magnetic core base and magnetic core lid, magnetic core lid and magnetic core base are harmonious; Finally by steel clamp, entirety is put into oven cooking cycle, make that the glue solidifies.
Implement the SMD heavy-current inductor coil of the present embodiment, due to the design of the false pin of shell fragment, SMD heavy-current inductor coil can weld with external devices securely mutually, ensure that the stability of SMD heavy-current inductor coil, thus volume can do greatly, ensure that larger electric current and inductance value.
Embodiment two:
The present embodiment and above-described embodiment are distinguished and are mainly: magnetic core base 1 also need not additionally arrange bonding wire pin 12, and the binding post of winding 3 directly welds mutually with outside weldings point.
In the description of this specification, at least one embodiment that specific features, structure, material or feature that the description of reference term " execution mode ", " some execution modes ", " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained in the application or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Above content is the further description done the application in conjunction with concrete execution mode, can not assert that the concrete enforcement of the application is confined to these explanations.For the application person of an ordinary skill in the technical field, under the prerequisite not departing from the application's design, some simple deduction or replace can also be made.
Claims (4)
1. there is the SMD heavy-current inductor coil of EMI of high stability, it is characterized in that, comprising:
Magnetic core base, magnetic core lid, and winding, the wrapping post for accommodating described winding is provided with in described magnetic core base and described magnetic core lid, described winding is formed by the coiling of sub-thread flat copper wire, described magnetic core base is fixed with the false pin of a shell fragment, the false pin of described shell fragment and described winding electric are isolated.
2. have the SMD heavy-current inductor coil of EMI of high stability as claimed in claim 1, it is characterized in that, described magnetic core base is also provided with two bonding wire pin, described bonding wire pin welds mutually with the binding post of described winding.
3. have the SMD heavy-current inductor coil of EMI of high stability as claimed in claim 1, it is characterized in that, the binding post of described winding directly welds mutually with outside weldings point.
4. the SMD heavy-current inductor coil of the EMI with high stability according to any one of claim 1-3, it is characterized in that, described winding and described magnetic core base, described winding and described magnetic core lid, all to be bonded by adhesive means between described magnetic core base and described magnetic core lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169463.0U CN204537820U (en) | 2015-03-24 | 2015-03-24 | There is the SMD heavy-current inductor coil of EMI of high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169463.0U CN204537820U (en) | 2015-03-24 | 2015-03-24 | There is the SMD heavy-current inductor coil of EMI of high stability |
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| Publication Number | Publication Date |
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| CN204537820U true CN204537820U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520169463.0U Expired - Fee Related CN204537820U (en) | 2015-03-24 | 2015-03-24 | There is the SMD heavy-current inductor coil of EMI of high stability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024363A (en) * | 2016-08-04 | 2016-10-12 | 重庆金籁科技股份有限公司 | Manufacturing method of SMD chip inductor, and SMD chip inductor |
-
2015
- 2015-03-24 CN CN201520169463.0U patent/CN204537820U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024363A (en) * | 2016-08-04 | 2016-10-12 | 重庆金籁科技股份有限公司 | Manufacturing method of SMD chip inductor, and SMD chip inductor |
| CN106024363B (en) * | 2016-08-04 | 2018-11-09 | 重庆金籁科技股份有限公司 | A kind of production method and SMD chip inductors of SMD chip inductors |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20200324 |