CN202034160U - Common mode filter - Google Patents
Common mode filter Download PDFInfo
- Publication number
- CN202034160U CN202034160U CN2011200450289U CN201120045028U CN202034160U CN 202034160 U CN202034160 U CN 202034160U CN 2011200450289 U CN2011200450289 U CN 2011200450289U CN 201120045028 U CN201120045028 U CN 201120045028U CN 202034160 U CN202034160 U CN 202034160U
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- China
- Prior art keywords
- protuberance
- coil
- width
- wall
- iron core
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000004804 winding Methods 0.000 abstract description 39
- 239000002699 waste material Substances 0.000 abstract description 8
- 239000007787 solid Substances 0.000 description 18
- 238000003466 welding Methods 0.000 description 18
- 230000007812 deficiency Effects 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model provides a common mode filter comprising: an iron core body, wherein two sides of the iron core body are respectively provided with a wall, each the wall is provided with a first outboard projection, a second outboard projection and at least one intermediate projection, and for the wall of at least one side of the iron core body, a width of the intermediate projection is less than a width of the first outboard projection and a width of the second outboard projection is equal to the width of the intermediate projection; and a coil assembly winded around the iron core body. For the wall of at least one side of the iron core body, the width of the intermediate projection is less than the width of the first outboard projection and the width of the second outboard projection is equal to the width of the intermediate projection, thus a coiling space of the iron core body can be increased for containing and winding of each coil of the coil assembly. The common mode filter of the utility model can avoid the disadvantages of the prior art that the coiling space is insufficient due to waste of the coiling space, thereby achieving the purposes of improving applicability and reducing cost.
Description
Technical field
The utility model relates to a kind of common-mode filter, refers to a kind of winding space that increases body unshakable in one's determination especially, causes the shortcoming of winding space deficiency to avoid existing winding space waste, and then makes the utility model can reach the purpose that promotes applicability and reduce cost.
Background technology
General common-mode filter, see also shown in Figure 1, it comprises: a body 10 unshakable in one's determination, these iron core body 10 two ends are respectively equipped with first body of wall 11 and second body of wall 16, and this first body of wall 11 is provided with at least three protuberances 12,13,14, and the top side of this protuberance 12,13,14 is provided with scolder 15, this scolder 15 can be scolding tin, this second body of wall 16 is provided with at least three protuberances 17,18,19, and the top side of this protuberance 17,18,19 is provided with scolder 20, and this scolder 20 can be scolding tin; At least three coils 21,22,23, this coil 21,22,23 are set around respectively on this iron core body 10, scolder 15 solid welding mutually of an end of this coil 21 and first body of wall, 11 its protuberances 14 again, scolder 20 solid welding mutually of the other end of this coil 21 and the protuberance 19 of second body of wall 16, scolder 15 solid welding mutually of these coil 22 one ends and first body of wall, 11 its protuberances 13, scolder 20 solid welding mutually of the other end of this coil 22 and the protuberance 18 of second body of wall 16, scolder 15 solid welding mutually of one end of this coil 23 and the protuberance 12 of first body of wall 11, scolder 20 solid welding mutually of the other end of this coil 23 and the protuberance 17 of second body of wall 16; Body unshakable in one's determination 10 two ends by this common-mode filter are respectively equipped with first body of wall 11 and second body of wall 16, this first body of wall 11 is provided with at least three protuberances 12,13,14 and this second body of wall 16 is provided with at least three protuberances 17,18,19 again, and can between first body of wall 11 and second body of wall 16, form winding space, can supply the winding of coil 21,22,23, and then make the body unshakable in one's determination 10 of this common-mode filter can reach the purpose that supplies coil 21,22,23 windings.
This existing common-mode filter, though its body 10 unshakable in one's determination can reach for coil 21,22, the purpose of 23 windings, but each protuberance 12 because of first body of wall 11,13, each protuberance 17 of 14 and second body of wall 16,18,19 width is all identical, this coil 21 again, 22, during 23 windings iron core body 10, coil 21,22,23 rise around or take-up all around less than one circle, but still need take the certain winding space of body unshakable in one's determination 10, therefore will cause 101 wastes of bigger idle space to cause body 10 its winding space deficiencies unshakable in one's determination, maybe must increase the size of body 10 unshakable in one's determination, and then cause the increase of the limited and cost of its applicability of this common-mode filter.
Therefore, how shortcoming such as above-mentioned is forgone, be the place of the technical difficulties that designer of the present utility model institute desire solves.
Summary of the invention
Because existing common-mode filter, cause first body of wall is identical with the width of second its each protuberance of body of wall, therefore cause the waste of winding space to cause its winding space deficiency of body unshakable in one's determination, maybe must increase the size of body unshakable in one's determination, and then cause the increase of the limited and cost of its applicability of this common-mode filter, therefore the purpose of this utility model is to provide a kind of common-mode filter, by this iron core body wherein the width of the middle protuberance of the body of wall of at least one side less than the width of first outside protuberance, and the width of protuberance in the middle of the width of this second outside protuberance equals, and can make this iron core body increase winding space for the ccontaining and winding of its each coil of this coil groups, and the winding space waste that makes the utility model can avoid commonly using causes the disappearance of winding space deficiency, and then makes the utility model can reach the purpose that promotes applicability and reduce cost.
For reaching the above object, the utility model provides a kind of common-mode filter, and it comprises:
One body unshakable in one's determination, these iron core body both sides are respectively equipped with body of wall, each body of wall is provided with first outside protuberance and second outside protuberance and at least one middle protuberance, again should the iron core body wherein the width of body of wall protuberance in the middle of it of at least one side less than the width of first outside protuberance, and the width of this second outside protuberance equal in the middle of the width of protuberance;
One coil groups, this coil groups are set around this iron core body;
Preferably, this coil groups is provided with first coil.
Preferably, this coil groups is provided with second coil.
Preferably, this coil groups is provided with at least one tertiary coil.
Preferably, the top side of this first outside protuberance and second outside protuberance and middle protuberance is provided with scolder.
The utility model also provides a kind of common-mode filter, and it comprises:
One body unshakable in one's determination, these iron core body both sides are respectively equipped with body of wall, each body of wall is provided with first outside protuberance and second outside protuberance and at least one middle protuberance, wherein the width of the middle protuberance of the body of wall of at least one side is less than the width of first outside protuberance for this iron core body, and the width of this second outside protuberance is less than the width of middle protuberance;
One coil groups, this coil groups are set around this iron core body.
Preferably, this coil groups is provided with first coil.
Preferably, this coil groups is provided with second coil.
Preferably, this coil groups is provided with at least one tertiary coil.
Preferably, the top side of this first outside protuberance and second outside protuberance and middle protuberance is provided with scolder.
The utility model by this iron core body wherein the width of body of wall protuberance in the middle of it of at least one side less than the width of first outside protuberance, and the width of protuberance in the middle of the width of this second outside protuberance equals, and can make this iron core body increase winding space for the ccontaining and winding of its each coil of this coil groups, and make the utility model can avoid existing winding space waste to cause the shortcoming of winding space deficiency, and then make the utility model can reach the purpose that promotes applicability and reduce cost.
Description of drawings
Fig. 1 is existing schematic perspective view;
Fig. 2 is a part schematic perspective view of the present utility model;
Fig. 3 is a schematic perspective view of the present utility model;
Fig. 4 can increase the schematic top plan view of winding space for the utility model;
Fig. 5 is the schematic perspective view of second embodiment of the present utility model;
Fig. 6 is the schematic top plan view of second embodiment of the present utility model.
Description of reference numerals: 10-body unshakable in one's determination; The 101-idle space; 11-first body of wall; The 12-protuberance; The 13-protuberance; The 14-protuberance; The 15-scolder; 16-second body of wall; The 17-protuberance; The 18-protuberance; The 19-protuberance; The 20-scolder; The 21-coil; The 22-coil; The 23-coil; 30-body unshakable in one's determination; The 301-idle space; The 31-body of wall; 32-first outside protuberance; 33-second outside protuberance; Protuberance in the middle of the 34-; The 35-scolder; The 4-coil groups; 41-first coil; 42-second coil; The 43-tertiary coil; 50-body unshakable in one's determination; The 501-idle space; The 51-body of wall; 52-first outside protuberance; 53-second outside protuberance; Protuberance in the middle of the 54-; The 55-scolder; The 6-coil groups; 61-first coil; 62-second coil; The 63-tertiary coil.
Embodiment
For the effect that makes convenient simple and direct understanding other features of the present utility model of your auditor and advantage and reached can more manifest, with the utility model conjunction with figs., be described in detail as follows now:
See also Fig. 2, shown in Figure 3, the utility model provides a kind of common-mode filter, and it comprises:
One body 30 unshakable in one's determination, these iron core body 30 both sides are respectively equipped with body of wall 31, each body of wall 31 is provided with first outside protuberance 32 and second outside protuberance 33 and at least one middle protuberance 34, again should iron core body 30 wherein the width of the middle protuberance 34 of the body of wall 31 of at least one side less than the width of first outside protuberance 32, and the width of protuberance 34 in the middle of the width of this second outside protuberance 33 equals, the top side of first outside protuberance 32 of each body of wall 31 and second outside protuberance 33 and middle protuberance 34 is respectively equipped with scolder 35 again;
One coil groups 4, this coil groups 4 is set around this iron core body 30, this coil groups 4 is provided with first coil 41, this first coil 41 and body 30 unshakable in one's determination winding mutually, scolder 35 solid welding mutually of these first coil, 41 1 ends and first outside protuberance 32 of the body of wall 31 of body 30 1 sides unshakable in one's determination again, scolder 35 solid welding mutually of these first coil, 41 other ends and second outside protuberance 33 of the body of wall 31 of body 30 opposite sides unshakable in one's determination, this coil groups 4 is provided with second coil 42, this second coil 42 and body 30 unshakable in one's determination winding mutually, scolder 35 solid welding mutually of these second coil, 42 1 ends and second outside protuberance 33 of the body of wall 31 of body 30 1 sides unshakable in one's determination again, scolder 35 solid welding mutually of these second coil, 42 other ends and first outside protuberance 32 of the body of wall 31 of body 30 opposite sides unshakable in one's determination, this coil groups 4 is provided with at least one tertiary coil 43, this tertiary coil 43 and body 30 unshakable in one's determination winding mutually, scolder 35 solid welding mutually of these tertiary coil 43 1 ends and the middle protuberance 34 of the body of wall 31 of body 30 1 sides unshakable in one's determination again, scolder 35 solid welding mutually of these tertiary coil 43 other ends and the middle protuberance 34 of the body of wall 31 of body 30 opposite sides unshakable in one's determination;
See also shown in Figure 4, by this iron core body 30 wherein the width of the middle protuberance 34 of the body of wall 31 of at least one side less than the width of first outside protuberance 32, and the width of protuberance 34 in the middle of the width of this second outside protuberance 33 equals, the stand out of this first outside protuberance 32 and second outside protuberance 33 and middle protuberance 34 can make this iron core body 30 increase winding space, for the ccontaining and winding of coil groups 4 its each coils, simultaneously this winding space that increases also can rising around making full use of with take-up by coil groups 4 its each coils, and make the utility model can avoid existing bigger idle space 101 wastes to cause the shortcoming of winding space deficiency, also can significantly dwindle idle space 301 and make the body unshakable in one's determination 30 that the utility model can the same size size that more winding space is provided, and then make the utility model can reach the purpose that promotes applicability and reduce cost.
In addition, see also shown in Figure 5ly, the utility model also provides a kind of common-mode filter, and it comprises:
One body 50 unshakable in one's determination, these iron core body 50 both sides are respectively equipped with body of wall 51, each body of wall 51 is provided with first outside protuberance 52 and second outside protuberance 53 and at least one middle protuberance 54, again should iron core body 50 wherein the width of the middle protuberance 54 of the body of wall 51 of at least one side less than the width of first outside protuberance 52, and the width of this second outside protuberance 53 is less than the width of middle protuberance 54, and the top side of first outside protuberance 52 of each body of wall 51 and second outside protuberance 53 and middle protuberance 54 is respectively equipped with scolder 55 again;
One coil groups 6, this coil groups 6 is set around this iron core body 50, this coil groups 6 is provided with first coil 61, this first coil 61 and body 50 unshakable in one's determination winding mutually, scolder 55 solid welding mutually of these first coil, 61 1 ends and first outside protuberance 52 of the body of wall 51 of body 50 1 sides unshakable in one's determination again, scolder 55 solid welding mutually of these first coil, 61 other ends and second outside protuberance 53 of the body of wall 51 of body 50 opposite sides unshakable in one's determination, this coil groups 6 is provided with second coil 62, this second coil 62 and body 50 unshakable in one's determination winding mutually, scolder 55 solid welding mutually of these second coil, 62 1 ends and second outside protuberance 53 of the body of wall 51 of body 50 1 sides unshakable in one's determination again, scolder 55 solid welding mutually of these second coil, 62 other ends and first outside protuberance 52 of the body of wall 51 of body 50 opposite sides unshakable in one's determination, this coil groups 6 is provided with at least one tertiary coil 63, this tertiary coil 63 and body 50 unshakable in one's determination winding mutually, scolder 55 solid welding mutually of these tertiary coil 63 1 ends and the middle protuberance 54 of the body of wall 51 of body 50 1 sides unshakable in one's determination again, scolder 55 solid welding mutually of these tertiary coil 63 other ends and the middle protuberance 54 of the body of wall 61 of body 50 opposite sides unshakable in one's determination;
See also shown in Figure 6, by this iron core body 50 wherein the width of body of wall 51 protuberances 54 in the middle of it of at least one side less than the width of first outside protuberance 52, and the width of this second outside protuberance 53 is less than the width of middle protuberance 54, make this iron core body 50 increase more winding space and can dwindle idle space 501 more significantly, and then make the utility model can reach the effect of better increase winding space.
For making the utility model show its creativeness and practicality more, to do a comparative analysis as follows with prior art now:
Prior art:
1, the width of each protuberance is identical, causes the waste of winding space.
2, the winding space deficiency of body unshakable in one's determination causes the limited and cost increase of applicability of this common-mode filter.
The utility model advantage:
1, the width difference of each protuberance can increase and make full use of winding space.
2, the winding space abundance of body unshakable in one's determination can promote applicability of the present utility model and reduces cost.
Claims (10)
1. a common-mode filter is characterized in that, comprises:
One body unshakable in one's determination, these iron core body both sides are respectively equipped with body of wall, each body of wall is provided with first outside protuberance and second outside protuberance and at least one middle protuberance, this iron core body wherein the width of the middle protuberance of the body of wall of at least one side less than the width of first outside protuberance, and the width of this second outside protuberance equal in the middle of the width of protuberance;
One coil groups, this coil groups are set around this iron core body.
2. common-mode filter as claimed in claim 1 is characterized in that this coil groups is provided with first coil.
3. common-mode filter as claimed in claim 1 is characterized in that this coil groups is provided with second coil.
4. common-mode filter as claimed in claim 1 is characterized in that this coil groups is provided with at least one tertiary coil.
5. common-mode filter as claimed in claim 1 is characterized in that, the top side of this first outside protuberance and second outside protuberance and middle protuberance is provided with scolder.
6. a common-mode filter is characterized in that, comprises:
One body unshakable in one's determination, these iron core body both sides are respectively equipped with body of wall, each body of wall is provided with first outside protuberance and second outside protuberance and at least one middle protuberance, wherein the width of the middle protuberance of the body of wall of at least one side is less than the width of first outside protuberance for this iron core body, and the width of this second outside protuberance is less than the width of middle protuberance;
One coil groups, this coil groups are set around this iron core body.
7. common-mode filter as claimed in claim 6 is characterized in that this coil groups is provided with first coil.
8. common-mode filter as claimed in claim 6 is characterized in that this coil groups is provided with second coil.
9. common-mode filter as claimed in claim 6 is characterized in that this coil groups is provided with at least one tertiary coil.
10. common-mode filter as claimed in claim 6 is characterized in that, the top side of this first outside protuberance and second outside protuberance and middle protuberance is provided with scolder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200450289U CN202034160U (en) | 2011-02-23 | 2011-02-23 | Common mode filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200450289U CN202034160U (en) | 2011-02-23 | 2011-02-23 | Common mode filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034160U true CN202034160U (en) | 2011-11-09 |
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ID=44896449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200450289U Expired - Lifetime CN202034160U (en) | 2011-02-23 | 2011-02-23 | Common mode filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590719A (en) * | 2014-10-24 | 2016-05-18 | 千如电机工业股份有限公司 | Common-mode filter and iron core thereof |
-
2011
- 2011-02-23 CN CN2011200450289U patent/CN202034160U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590719A (en) * | 2014-10-24 | 2016-05-18 | 千如电机工业股份有限公司 | Common-mode filter and iron core 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: 20111109 |