CN206976142U - A kind of surface mounting high-power common mode inductance - Google Patents
A kind of surface mounting high-power common mode inductance Download PDFInfo
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- CN206976142U CN206976142U CN201720755756.6U CN201720755756U CN206976142U CN 206976142 U CN206976142 U CN 206976142U CN 201720755756 U CN201720755756 U CN 201720755756U CN 206976142 U CN206976142 U CN 206976142U
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- common mode
- mode inductance
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Abstract
The utility model discloses a kind of surface mounting high-power common mode inductance, it includes base and the common mode inductance body being arranged on base, the common mode inductance body includes magnet ring, two groups of coils being wound on magnet ring, it is provided with the through hole of magnet ring for by the support of two groups of inductance loop seclusions, a surface plate to be provided with the top of the support；The base bottom is provided with multiple paster pads, and the leading-out terminal of two groups of coils connects with corresponding paster pad respectively；Multiple through holes are provided with the base, the leading-out terminal of each coil is connected by lead through corresponding through hole with the paster pad.Common mode inductance provided by the utility model is had the advantages that conveniently to be produced using surface mounting technology, is easy to automate pickup and is easy to radiating.
Description
Technical field
It the utility model is related to a kind of common mode inductance, more particularly to a kind of surface mounting high-power common mode inductance.
Background technology
Common mode inductance is a common mode disturbances suppression device using ferrite as magnetic core, and it is by two line footpaths are identical, the number of turn
Identical coil is symmetrically wound on same ferrite toroidal magnetic core, forms a four-terminal device, and toroidal core is altogether
Widest application is obtained in mould inductance, this is due to that its magnetic conductivity is very high, and the number of turn needed under normal circumstances is few.
At present, there is following some shortcomings for existing common mode inductance：（1）Traditional contact pin type common mode inductance, due to nothing
Method uses surface mounting technology（SMT）Produced, therefore cause production efficiency low；（2）Common mode equipped with SMD base
Inductance, because its profile is irregular, and top device can not use automation equipment pickup, efficiency without the surface plate for being available for drawing
Lowly；（3）Existing common mode inductance, for the ease of organization of production, and shell is provided with, but also because which increasing shell, from
And device itself is caused to dissipate body effect and be deteriorated.Therefore, it is necessary to a kind of new technical scheme is provided, to overcome existing common mode inductance
The problems of.
Utility model content
For overcome the deficiencies in the prior art and the problem of exist, the utility model provides a kind of surface mounting high-power common mode electricity
Sense, the common mode inductance, which has, conveniently uses surface mounting technology（SMT）Produce, be easy to automate pickup and be easy to radiating etc. excellent
Point.
The utility model is achieved through the following technical solutions：A kind of surface mounting high-power common mode inductance, including base
With the common mode inductance body being arranged on base, the common mode inductance body includes magnet ring, two groups of coils being wound on magnet ring,
It is provided with the through hole of magnet ring for by the support of two groups of inductance loop seclusions, a surface plate to be provided with the top of the support；The bottom
Seat bottom is provided with multiple paster pads, and the leading-out terminal of two groups of coils connects with corresponding paster pad respectively.Preferably, it is described
Magnet ring is sleeping on the base.
Preferably, multiple through holes are provided with the base, the leading-out terminal of each coil passes through corresponding through hole by lead
It is connected with the paster pad；The paster pad is the metal terminal being arranged on base.It is preferred that the through hole is circle
Through hole or ellipse hole；The lead is connected with the paster pad solder.
Preferably, the metal terminal is connected on the base.It is preferred that the quantity that the metal terminal is set is 4
It is individual.
Preferably, the coil is formed by a round wires coiling, or is formed using more round wires or twisted wire coiling.
Preferably, the support and surface plate are formed in one structure；It is preferred that the surface plate is circle.
Compared with prior art, common mode inductance provided by the utility model has the advantages that：（1）By original contact pin
Formula (DIP TYPE) common mode inductance has made SMD (SMD TYPE) common mode inductance into, convenient to use surface mounting technology（SMT）
Production；（2）By increasing by a surface plate in cradle top, it can be ensured that top horizontal panel and substrate-parallel and will not be crooked, have
Beneficial to automation pickup and quality management and control；（3）Common mode inductance is dropped significantly using the assembly method that base is welded is inserted directly into
Low production difficulty；（4）Open assembly method more easy heat radiation, while easily can be also used cooperatively with heat-conducting glue, so as to
Further effectively improve the thermal diffusivity of product.
Brief description of the drawings
Fig. 1 is the part decomposition texture schematic diagram of common mode inductance described in the utility model embodiment.
Fig. 2 is the dimensional structure diagram of common mode inductance described in the utility model embodiment.
Fig. 3 is the overlooking the structure diagram of common mode inductance described in the utility model embodiment.
Fig. 4 is the present invention looks up structural representation of common mode inductance described in the utility model embodiment.
Wherein, drawing reference numeral is：10- bases, 11- through holes, 12- metal terminals, 13- buckles position, 21- magnet rings, 22- lines
Circle, 23- leads, 30- supports, 31- surface plates.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model is made below in conjunction with the drawings and specific embodiments into
One step is described in detail.
As shown in accompanying drawing 1-4, a kind of surface mounting high-power common mode inductance, including base 10 and it is arranged on being total on base 10
Mould inductance body, the common mode inductance body include magnet ring 21, two groups of coils 22 being wound on magnet ring 21, the through hole of magnet ring 21
The support 30 for two groups of coils 22 to be isolated inside is provided with, the top of the support 30 is provided with a surface plate 31；The base
10 bottoms are provided with multiple paster pads, and the leading-out terminal of two groups of coils 22 connects with corresponding paster pad respectively.Wherein, it is described
Magnet ring 21 is preferably sleeping on the base 10；The support 30 and surface plate 31 are preferably integrated formed structure, and described
Surface plate 31 is preferably circular.In the present embodiment, by one surface plate 31 of the top of support 30 increase, and by support 30 and plane
Plate 31 is arranged to integrated formed structure, it can be ensured that top horizontal panel 31 and substrate-parallel and will not be crooked, is advantageous to automation and takes
Part and quality management and control.In addition, by setting paster pad in the bottom of base 10, surface mounting technology conveniently can be used（SMT）It is raw
Production, effectively improves production efficiency.
As preferred embodiment, multiple through holes 11 are provided with the base 10, the leading-out terminal of each coil 22 is by drawing
Line 23 is connected through corresponding through hole 11 with the paster pad.Wherein, the lead 23 is preferably to weld with the paster pad
Connect in succession, the leading-out terminal of the lead 23 and coil 22 is formed in one structure；The paster pad is to be arranged on base 10
Metal terminal 12.In the present embodiment, the quantity that the metal terminal 12 is set is 4, correspondingly, the quantity of the through hole 11
Also it is 4.In the present embodiment, the coil can be formed by a round wires coiling, also using more round wires or twisted wire coiling
Form；The 11 preferably circular through hole of through hole or ellipse hole.
In a wherein preferred embodiment, the metal terminal 12 is connected on the base 10.Such as the institute of accompanying drawing 1
Show, the edge of base 10 is provided with buckle position 13, in order to which metal terminal 12 is connected on base 10.In addition, metal terminal
Corresponding circular hole is also equipped with 12, in order to which the lead 23 is welded to connect through the circular hole with metal terminal 12.When
When common mode inductance is high-power class common mode inductance, because its line footpath is thicker, it is difficult to realize that wire wound shell does pad, therefore this reality
Apply by regarding metal terminal 12 as paster pad in example, while corresponding through hole be set on base 10 and metal terminal 12,
Welded so that common mode inductance can be inserted directly on base 10, so as to greatly reduce production difficulty, effectively increased
Production efficiency.
Further, since the magnet ring 21 is sleeping on the base 10, it is chlamydate common with some settings in the prior art
Mould inductance is compared, the open assembly method of common mode inductance provided by the utility model more easy heat radiation.In addition, in the utility model
The structure of common mode inductance easily can be also used cooperatively with heat-conducting glue, can such as be set between base 10 and common mode inductance body
Heat-conducting glue, so as to further effectively improve the thermal diffusivity of product.
Above-described embodiment is preferable implementation of the present utility model, is not to restriction of the present utility model, not
On the premise of departing from inventive concept of the present utility model, it is any it is obvious replace the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of surface mounting high-power common mode inductance, including base（10）With the common mode inductance body being arranged on base, it is special
Sign is：The common mode inductance body includes magnet ring（21）, two groups of coils being wound on magnet ring（22）, set in the through hole of magnet ring
It is equipped with for by the support of two groups of inductance loop seclusions（30）, a surface plate is provided with the top of the support（31）；The base bottom
Multiple paster pads are provided with, the leading-out terminal of two groups of coils connects with corresponding paster pad respectively.
2. common mode inductance according to claim 1, it is characterised in that：Multiple through holes are provided with the base（11）, respectively
The leading-out terminal of coil passes through lead（23）It is connected through corresponding through hole with the paster pad.
3. common mode inductance according to claim 2, it is characterised in that：The paster pad is the metal being arranged on base
Terminal（12）.
4. common mode inductance according to claim 3, it is characterised in that：The metal terminal is connected on the base.
5. common mode inductance according to claim 4, it is characterised in that：The quantity that the metal terminal is set is 4.
6. common mode inductance according to claim 2, it is characterised in that：The lead is connected with the paster pad solder.
7. common mode inductance according to claim 6, it is characterised in that：The through hole is manhole or ellipse hole.
8. common mode inductance according to claim 2, it is characterised in that：The magnet ring is sleeping on the base；The line
Circle is formed by a round wires coiling, or is formed using more round wires or twisted wire coiling.
9. the common mode inductance according to any one in claim 1~8, it is characterised in that：The support and surface plate are
Integrated formed structure.
10. common mode inductance according to claim 9, it is characterised in that：The surface plate is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720755756.6U CN206976142U (en) | 2017-06-27 | 2017-06-27 | A kind of surface mounting high-power common mode inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720755756.6U CN206976142U (en) | 2017-06-27 | 2017-06-27 | A kind of surface mounting high-power common mode inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206976142U true CN206976142U (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720755756.6U Active CN206976142U (en) | 2017-06-27 | 2017-06-27 | A kind of surface mounting high-power common mode inductance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277223A (en) * | 2018-03-16 | 2019-09-24 | 杭州海康威视数字技术股份有限公司 | Common mode inductance and web camera for supporting high current POE to power |
| CN111584186A (en) * | 2020-05-08 | 2020-08-25 | 兰州空间技术物理研究所 | Annular inductor structure for surface mounting |
| US20220367102A1 (en) * | 2021-05-14 | 2022-11-17 | Delta Electronics, Inc. | Common mode choke |
-
2017
- 2017-06-27 CN CN201720755756.6U patent/CN206976142U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277223A (en) * | 2018-03-16 | 2019-09-24 | 杭州海康威视数字技术股份有限公司 | Common mode inductance and web camera for supporting high current POE to power |
| CN111584186A (en) * | 2020-05-08 | 2020-08-25 | 兰州空间技术物理研究所 | Annular inductor structure for surface mounting |
| US20220367102A1 (en) * | 2021-05-14 | 2022-11-17 | Delta Electronics, Inc. | Common mode choke |
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