CN204537802U - There is the EMI common mode coiling filter of high security - Google Patents
There is the EMI common mode coiling filter of high security Download PDFInfo
- Publication number
- CN204537802U CN204537802U CN201520165249.8U CN201520165249U CN204537802U CN 204537802 U CN204537802 U CN 204537802U CN 201520165249 U CN201520165249 U CN 201520165249U CN 204537802 U CN204537802 U CN 204537802U
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- copper cash
- common mode
- center pillar
- lid
- base
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Abstract
This application discloses a kind of EMI common mode coiling filter with high security, comprise: magnetic core and copper cash, magnetic core has base, lid and is arranged at the even numbers center pillar between base and lid, base, lid and center pillar are formed in one structure, and each center pillar is arranged with single strand of copper wire.Like this, copper cash can not produce with other copper cash and rub in winding process, avoids the blistering phenomenon in the course of processing, ensure that the fail safe of use.
Description
Technical field
The application relates to electromagnetic interference device field, particularly relates to a kind of EMI common mode coiling filter with high security.
Background technology
Existing electromagnetic interference (Electromagnetic Interference, EMI) device is widely used in all kinds of charger and power source products.And these products can arrange a common mode coiling filter usually, its structure is first winding one group of copper cash on same magnetic core, and then on this group copper cash another group copper cash of spreadability winding again, and the bottom of magnetic core needs one group of five metals plastic elastic plate as pad.But, due in winding process, phase mutual friction can be produced between copper cash with copper cash, cause the easy blistering of copper cash and short circuit, safety issue during use, can be produced, and, because needs shell fragment is as pad, its processing technology at least needs bonding shell fragment, makes overall processing comparatively complicated, production efficiency can not get improving, and in a disguised form adds production cost.
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 EMI common mode coiling filter with high security, comprising:
Magnetic core and copper cash, described magnetic core has base, lid and is arranged at the even numbers center pillar between described base and described lid, and described base, described lid and described center pillar are formed in one structure, and each described center pillar is arranged with copper cash described in sub-thread.
Further, described center pillar quantity is 2,4,6 or 8.
Further, surface relative with described lid on described base is provided with pad, described copper cash has binding post, and described binding post welds mutually with described pad.
The beneficial effect of the application is:
By providing a kind of EMI common mode coiling filter with high security, comprise: magnetic core and copper cash, magnetic core has base, lid and is arranged at the even numbers center pillar between base and lid, and base, lid and center pillar are formed in one structure, and each center pillar is arranged with single strand of copper wire.Like this, copper cash can not produce with other copper cash and rub in winding process, avoids the blistering phenomenon in the course of processing, ensure that the fail safe of use.
Accompanying drawing explanation
Fig. 1 is the perspective view of the common mode coiling filter of the embodiment of the present application one.
Fig. 2 is the front view of the common mode coiling filter of the embodiment of the present application one.
Fig. 3 is the left view of the common mode coiling filter of the embodiment of the present application one.
Fig. 4 is the exploded view of the common mode coiling filter of the embodiment of the present application one.
Fig. 5 is the schematic diagram in the embodiment of the present application one, base 11 being arranged pad 111.
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. 1-5; present embodiments provide a kind of EMI common mode coiling filter with high security; it can be applied in EMI device; and EMI device can be applicable in charger or power source products; therefore; the content that the application protects not only comprises common mode coiling filter, can also prolong and corresponding EMI device, charger or power source products.
The common mode coiling filter of the present embodiment mainly comprises: magnetic core 1 and copper cash 2, magnetic core 1 has base 11, lid 12 and is arranged at the even numbers center pillar 13 between base 11 and lid 12, base 11, lid 12 and center pillar 13 are formed in one structure, and each center pillar 13 is arranged with single strand of copper wire 2.In the present embodiment, the quantity of center pillar 13 is 2.Surface relative with lid 12 on base 11 is provided with pad 111, copper cash 2 has binding post, and binding post welds mutually with pad 111.
The processing method of above-mentioned common mode coiling filter can as following:
First, a magnetic core with 2 center pillars is pressed into ferronickel powder; Then, by smooth through the cavity magnetic core center pillar for two sections of copper cash, form copper cash winding; Then, the binding post of copper cash is organized on pad, and entirety is come wicking on magnetic stripe, complete welding.
Implement above-mentioned common mode coiling filter, copper cash can not produce with other copper cash and rub in winding process, avoids the blistering phenomenon in the course of processing, ensure that the fail safe of use.And because difference adds extra shell fragment as pad, save processing technology, improve production efficiency, reduce production cost.
Embodiment two:
The present embodiment and above-described embodiment are distinguished and are mainly: magnetic core includes 4 center pillars, should have mutually 4 copper cash respectively winding on corresponding center pillar, form winding.
Embodiment three:
The present embodiment and above-described embodiment are distinguished and are mainly: magnetic core includes 6 center pillars, should have mutually 6 copper cash respectively winding on corresponding center pillar, form winding.
Embodiment four:
The present embodiment and above-described embodiment are distinguished and are mainly: magnetic core includes 8 center pillars, should have mutually 8 copper cash respectively winding on corresponding center pillar, form winding.
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 (3)
1. there is an EMI common mode coiling filter for high security, it is characterized in that, comprising:
Magnetic core and copper cash, described magnetic core has base, lid and is arranged at the even numbers center pillar between described base and described lid, and described base, described lid and described center pillar are formed in one structure, and each described center pillar is arranged with copper cash described in sub-thread.
2. have the EMI common mode coiling filter of high security as claimed in claim 1, it is characterized in that, described center pillar quantity is 2,4,6 or 8.
3. have the EMI common mode coiling filter of high security as claimed in claim 1, it is characterized in that, surface relative with described lid on described base is provided with pad, and described copper cash has binding post, and described binding post welds mutually with described pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165249.8U CN204537802U (en) | 2015-03-23 | 2015-03-23 | There is the EMI common mode coiling filter of high security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165249.8U CN204537802U (en) | 2015-03-23 | 2015-03-23 | There is the EMI common mode coiling filter of high security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204537802U true CN204537802U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520165249.8U Expired - Fee Related CN204537802U (en) | 2015-03-23 | 2015-03-23 | There is the EMI common mode coiling filter of high security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204537802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659129A (en) * | 2017-09-26 | 2018-02-02 | 安徽大学 | A kind of plate type common mode differential mode magnetic integrated filter |
-
2015
- 2015-03-23 CN CN201520165249.8U patent/CN204537802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659129A (en) * | 2017-09-26 | 2018-02-02 | 安徽大学 | A kind of plate type common mode differential mode magnetic integrated filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20200323 |