CN207834054U - A kind of combined type common mode inductance - Google Patents
A kind of combined type common mode inductance Download PDFInfo
- Publication number
- CN207834054U CN207834054U CN201721886522.1U CN201721886522U CN207834054U CN 207834054 U CN207834054 U CN 207834054U CN 201721886522 U CN201721886522 U CN 201721886522U CN 207834054 U CN207834054 U CN 207834054U
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- CN
- China
- Prior art keywords
- insulator foot
- magnet ring
- common mode
- metal ferrule
- insulating barrier
- Prior art date
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Abstract
The utility model discloses a kind of combined type common mode inductances, its key points of the technical solution are that：Including magnet ring, two groups of windings, insulating barrier and insulator foot, it further include the positioning plate being fixedly connected with insulator foot, there are two symmetrically arranged arc panels for the setting of positioning plate side, two arc panels are arranged with magnet ring concentric, the inner diameter of two arc panels is slightly larger than magnet ring outer diameter, insulating barrier is set between two arc panels, it is plugged with metal ferrule on four ends angle of insulator foot, the top of each metal ferrule is provided with open slot, metal ferrule is both provided with the holding tank of arc shape setting in open slot both sides, and metal ferrule top is arranged in shape radially outward；Pass through the mechanical connection of limiting plate and positioning plate realized between insulating barrier and magnet ring, the mechanical connection between magnet ring and insulator foot is realized using the cooperation of metal ferrule and lead end, fixation is sticked together without passing through insulating cement, injury of the insulating cement to direct labor can be avoided.
Description
Technical field
The utility model is related to electrical equipment technical fields, more specifically, it relates to a kind of combined type common mode inductance.
Background technology
Common mode inductance (Common mode Choke), is also common mode choke, is usually used in filtering in the Switching Power Supply of computer
The electromagnetic interference signal of common mode.In board design, common mode inductance is also to play EMI filtering, for inhibiting high speed signal
The electromagnetic wave outside radiation-emitting that line generates.For ideal inductor models, when coil around it is complete after, all magnetic fluxs all concentrate on
In the center of coil.But loop coil will not be not close around Man Yizhou or coiling under normal conditions, can cause letting out for magnetic flux in this way
Leakage.
In the prior art, common mode inductance generally comprises magnet ring and two windings being set around on magnet ring, common mode inductance and has
Divide input high-voltage alternating common mode and output DC common-mode, an insulating barrier can be set to ensure two windings between two windings
Safe distance, while an insulator foot for stablizing common mode inductance can be also set outside magnet ring, four of two windings draw
Line end can wear insulator foot setting.
But in the prior art, generally can a through-hole be respectively set on four ends angle of insulator foot, then by four
Lead end is arranged in each through-hole, and finally lead end is fixed on insulator foot using insulating cement, the installation of insulating barrier
And need to can be only achieved fixed effect in insulating barrier both ends painting last layer insulating cement, and present insulating cement dispensing works
Glue rifle completion is usually held by staff, insulating cement can send out the lower smell of stimulation, and molten condition in the molten state
Under insulating cement temperature it is higher, it is easy to the staff to carrying out dispensing work for a long time damages.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of combined type common mode inductance, tool
Have and do not need the effect that common mode inductance combination can be completed in insulating cement, to avoid insulating cement safety caused by staff hidden
Suffer from.
To achieve the above object, the utility model provides following technical solution：
A kind of combined type common mode inductance, including magnet ring, two groups around the magnet ring setting windings, be connected in the magnet ring
In wall and by insulating barrier that two groups of windings separate and the insulator foot being fixedly connected with four lead ends of two groups of windings, also
Include the positioning plate being fixedly connected with insulator foot, there are two symmetrically arranged arc panel, two institutes for the positioning plate side setting
Arc panel and magnet ring concentric is stated to be arranged, the inner diameters of two arc panels is slightly larger than magnet ring outer diameter, the insulation every
Plate is set to positioning plate between two arc panels, and the setting length of insulating barrier is equal to magnet ring internal diameter, the insulator foot
Four ends are plugged with metal ferrule on angle, and the top of each metal ferrule is provided with the opening being radially arranged along metal ferrule
Slot, the metal ferrule are both provided with the holding tank of arc shape setting in open slot both sides, and the metal ferrule top is in outside
The radius of radial setting, two holding tanks is less than lead end diameter.
So set, between directly putting the magnet ring of two windings of winding into two arc panels, and make magnet ring inner wall
Setting is abutted with insulating barrier both ends, between lead end is then plugged in two holding tanks, is then directly inserted metal ferrule
It is connected on insulator foot so that the open slot both sides of metal ferrule are squeezed deformation, to which lead end be fixedly clamped, work as gold
When category contact pin is plugged on insulator foot, the open slot of metal ferrule can be by the reaction force of lead end so that metal ferrule
It can be clamped and fasten with insulator foot, the mode that mechanical connection is fully utilized is assembled, need not be sticked using insulating cement
It fixed.
Further setting：The side of the remotely located plate of insulating barrier is provided with limiting plate, is arranged on the limiting plate
There are the slot for insulating barrier grafting, the limiting plate to abut setting with two arc panel sides close to the one side of positioning plate.
So set, when placing magnet ring, magnet ring is limited on positioning plate using the cooperation of limiting plate and positioning plate, is utilized
Arc panel can prevent limiting plate from causing crimp to magnet ring with positioning plate.
Further setting：The slot both ends are both provided with anti-slip tank, side of the insulating barrier far from limiting plate
Both ends are both provided with the protrusion that setting is mutually clamped with anti-slip tank.
So set, increasing the friction of insulating barrier and limiting plate using anti-slip tank and protrusion, it is ensured that the installation of limiting plate
Stability prevents limiting plate from being pulled insulating barrier easily, it is ensured that the safe handling of magnet ring.
Further setting：It is provided with circular groove on the insulator foot, is arranged on the arc panel outer wall on insulator foot
There is the rotation axis being plugged in circular groove.
So set, realizing that arc panel and the fixed of insulator foot connect by circular groove and the rotation axis being plugged in circular groove
It connects, simple in structure, simple operation.
Further setting：It is provided with a circle thread groove on the circular groove inner wall, is additionally provided on the circular groove inner wall together
It is connected to the guide groove of thread groove and insulator foot upper surface, being provided with sliding on the outer wall of the rotation axis is connected in thread groove
Sliding block.
So set, sliding block is inserted into along guide groove in circular groove, then rotary spacing plate so that be set in rotation axis
Sliding block can be slided along thread groove so that rotation axis connected with circular groove it is even closer securely, it is ensured that the use of magnet ring
Safety.
Further setting：The through-hole for metal ferrule grafting is both provided on four ends angle of the insulator foot, it is described
The each through-hole of ring is both provided with one of fixed plate on insulator foot.
So set, pass through fixed plate increase metal ferrule and insulator foot contact area so that metal ferrule with
The connection of insulator foot is even closer securely.
Further setting：It is provided on the insulator foot and magnet ring and limiting plate is covered to internal shielding case.
So set, the anti-EMI filter effect of enhancing common mode inductance, reduces common mode inductance to extraneous electromagnetic interference, weakens electricity
The interference effect that the electromagnetic field that road generates generates other elements.
Further setting：The insulator foot both sides are both provided with card slot, and the shielding case lower end is provided with multiple tracks difference
The fastener being connected on each card slot.
So set, realizing the quick clamping of shielding case and insulator foot using card slot and fastener, simple in structure, operation is just
It is prompt.
By using above-mentioned technical proposal, the utility model is compared compared with the prior art：Pass through limiting plate and positioning plate
It realizes the mechanical connection between insulating barrier and magnet ring, magnet ring and insulator foot is realized using the cooperation of metal ferrule and lead end
Between mechanical connection, stick together fixation without passing through insulating cement, injury of the insulating cement to direct labor can be avoided.
Description of the drawings
Fig. 1 is the structural schematic diagram one of the utility model；
Fig. 2 is the structural schematic diagram two of the utility model；
Fig. 3 is the assembling schematic diagram of the magnet ring of the utility model；
Fig. 4 is the assembling schematic diagram of the limiting plate of the utility model；
Fig. 5 is the structural schematic diagram of the metal ferrule of the utility model.
In figure：1, insulator foot；11, card slot；12, circular groove；121, guide groove；122, thread groove；13, fixed plate；
131, through-hole；2, shielding case；21, fastener；3, limiting plate；31, arc panel；311, rotation axis；312, sliding block；32, insulating barrier；
321, raised；4, magnet ring；41, winding；411, lead end；5, metal ferrule；51, open slot；52, holding tank；6, positioning plate；
61, slot；62, anti-slip tank.
Specific implementation mode
Combined type common mode inductance is described further referring to figs. 1 to Fig. 5.
A kind of combined type common mode inductance, in conjunction with shown in Fig. 1 and Fig. 2, including 4, two groups of windings being set around on magnet ring 4 of magnet ring
41, it is set to the wherein side of magnet ring 4 and is used to be fixedly mounted the limiting plate 3 of magnet ring 4 and for stablizing for limiting plate 3 and magnet ring 4
The insulator foot 1 of installation, 4 other side of magnet ring are provided with the positioning plate 6 for preventing magnet ring 4 from falling off from limiting plate 3, insulator foot 1
Four end angle on be plugged with for stablize installation common mode inductance in the metal ferrule 5 in test circuit, metal ferrule 5 is in
The part of 1 upper end of insulator foot is fixedly connected with four lead ends 411 of two windings 41 respectively；Wherein, block on insulator foot 1
It is connected to and magnet ring 4 and limiting plate 3 is covered at into the internal shielding case 2 for reducing common mode inductance to extraneous electromagnetic interference, absolutely
1 both sides of edge pedestal are both provided with card slot 11, and 2 lower end of shielding case is provided with the fastener that multiple tracks is connected in respectively on each card slot 11
21。
In conjunction with shown in Fig. 2 and Fig. 3, there are two in relationship setting up and down and symmetrically close to the one side setting of magnet ring 4 for limiting plate 3
Be arranged for limiting magnet ring 4 in the arc panel 31 on insulator foot 1, limiting plate 3 close to magnet ring 4 one side in two arc panels
One insulating barrier 32 for ensuring trouble free service distance between two windings 41 is set between 31, and insulating barrier 32 is far from limiting plate
3 side is provided with the positioning plate 6 for preventing magnet ring 4 from falling off from limiting plate 3, is provided with for insulating barrier on positioning plate 6
32 slots 61 being plugged in；Wherein, the thickness of insulating barrier 32 is slightly larger than the thickness of arc panel 31, and the thickness of arc panel 31 is bigger
In the thickness of magnet ring 4, limiting plate 3 abuts setting close to the one side of positioning plate 6 with two 31 sides of arc panel, and 61 both ends of slot are equal
It is provided with anti-slip tank 62, the both ends of side of the insulating barrier 32 far from limiting plate 3 are both provided with to be set with the mutually clamping of anti-slip tank 62
The protrusion 321 set.
In conjunction with shown in Fig. 2 and Fig. 4, there are one circular grooves 12 for setting on insulator foot 1, are set to the arc of 3 lower end of limiting plate
The rotation axis 311 being plugged in circular groove 12 is provided on 31 outer wall of plate；Wherein, it is provided with a circle thread groove on 12 inner wall of circular groove
122, the guide groove 121 of one connection thread groove 122 and 1 upper surface of insulator foot, rotation are additionally provided on the inner wall of circular groove 12
The sliding block 312 that sliding is connected in thread groove 122 is provided on the outer wall of axis 311.
In conjunction with shown in Fig. 4 and Fig. 5, the through-hole for 5 grafting of metal ferrule is both provided on four ends angle of insulator foot 1
131, each through-hole of ring 131 is both provided with one of fixed plate 13 on insulator foot 1, and the top of each metal ferrule 5 is provided with
The open slot 51 being radially arranged along metal ferrule 5, metal ferrule 5 are both provided with the holding tank of arc shape in 51 both sides of open slot
52,5 top of metal ferrule is arranged in shape radially outward, and the radius of two holding tanks 52 is less than the diameter of 41 lead end 411 of winding；
Wherein, the diameter setting equal with the aperture of through-hole 131 that 5 top of metal ferrule is not stretched radially outward.
When assembling common mode inductance, limiting plate 3 is fixedly connected with insulator foot 1 first, then by two windings of winding
41 magnet ring 4 is positioned between two arc panels 31, at this point, 32 upper and lower ends of insulating barrier abut setting with 4 inner wall of magnet ring, and
Two groups of windings 41 are spaced apart, then positioning plate 6 is stuck on insulating barrier 32, and to be located close to the one of limiting plate 3
Face abuts setting with two 31 sides of arc panel, and after placing magnet ring 4, the lead end 411 of magnet ring 4 is connected in metal ferrule 5
Then metal ferrule 5 is plugged in each through-hole 131 by top one by one, finally, shielding case 2 and insulator foot 1 are clamped, made
It obtains magnet ring 4 and covers at 2 inside of shielding case with limiting plate 3.
When limiting plate 3 is installed, rotation axis 311 is directed at circular groove 12, and make the sliding block being set on 311 outer wall of rotation axis
312 correspond with the guide groove 121 being set on 12 inner wall of circular groove, then by sliding block 312 along guide groove 121 by rotation axis
311 be inserted into circular grooves 12 in, last rotary spacing plate 3 so that sliding block 312 can along 122 screw propulsion of thread groove so that
Limiting plate 3 and the connection of insulator foot 1 are more secured.
When metal ferrule 5 is installed, first by between two holding tanks 52 of insertion of lead end 411, then directly metal is inserted
Needle 5 is plugged on insulator foot 1 so that 51 both sides of open slot of metal ferrule 5 are squeezed deformation, thus by lead end 411
It is fixedly clamped, when metal ferrule 5 is plugged on insulator foot 1, the open slot 51 of metal ferrule 5 can be by lead end 411
Reaction force so that metal ferrule 5 can be clamped with insulator foot 1 and fasten.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of combined type common mode inductance, including magnet ring（4）, two groups around the magnet ring（4）The winding of setting（41）, be connected in institute
State magnet ring（4）In inner wall and by two groups of windings（41）The insulating barrier separated（32）And with two groups of windings（41）Four leads
End（411）The insulator foot being fixedly connected（1）, it is characterised in that：Further include and insulator foot（1）The positioning plate being fixedly connected
（6）, the positioning plate（6）There are two symmetrically arranged arc panels for side setting（31）, two arc panels（31）With magnet ring（4）
Concentric is arranged, two arc panels（31）Inner diameter be slightly larger than magnet ring（4）Outer diameter, the insulating barrier（32）If
It is placed in positioning plate（6）In two arc panels（31）Between, insulating barrier（32）Setting length be equal to magnet ring（4）Internal diameter, it is described
Insulator foot（1）Four end angle on be plugged with metal ferrule（5）, each metal ferrule（5）Top be provided with along metal
Contact pin（5）The open slot being radially arranged（51）, the metal ferrule（5）In open slot（51）Both sides are both provided with arc shape setting
Holding tank（52）, the metal ferrule（5）Top is arranged in shape radially outward, two holding tanks（52）Radius be less than draw
Line end（411）Diameter.
2. a kind of combined type common mode inductance according to claim 1, it is characterised in that：The insulating barrier（32）Far from fixed
Position plate（6）Side be provided with limiting plate（3）, the limiting plate（3）On be provided with for insulating barrier（32）The slot of grafting
（61）, the limiting plate（3）Close to positioning plate（6）One side and two arc panels（31）Side abuts setting.
3. a kind of combined type common mode inductance according to claim 2, it is characterised in that：The slot（61）Both ends are respectively provided with
There is anti-slip tank（62）, the insulating barrier（32）Far from limiting plate（3）The both ends of side be both provided with and anti-slip tank（62）Phase
The mutually protrusion of clamping setting（321）.
4. a kind of combined type common mode inductance according to claim 1, it is characterised in that：The insulator foot（1）Upper setting
There is circular groove（12）, close to insulator foot（1）On arc panel（31）It is provided on outer wall and is plugged in circular groove（12）Interior rotation axis
（311）.
5. a kind of combined type common mode inductance according to claim 4, it is characterised in that：The circular groove（12）It is arranged on inner wall
There is a circle thread groove（122）, the circular groove（12）One of connection thread groove is additionally provided on inner wall（122）With insulator foot upper table
The guide groove in face（121）, the rotation axis（311）Outer wall on be provided with sliding and be connected to thread groove（122）Interior sliding block
（312）.
6. a kind of combined type common mode inductance according to claim 1, it is characterised in that：The insulator foot（1）Four
End is both provided on angle for metal ferrule（5）The through-hole of grafting（131）, the insulator foot（1）The upper each through-hole of ring（131）
It is provided with one of fixed plate（13）.
7. a kind of combined type common mode inductance according to claim 2, it is characterised in that：The insulator foot（1）Upper setting
Have magnet ring（4）And limiting plate（3）Cover at internal shielding case（2）.
8. a kind of combined type common mode inductance according to claim 7, it is characterised in that：The insulator foot（1）Both sides are equal
It is provided with card slot（11）, the shielding case（2）Lower end is provided with multiple tracks and is connected in each card slot respectively（11）On fastener（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886522.1U CN207834054U (en) | 2017-12-28 | 2017-12-28 | A kind of combined type common mode inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886522.1U CN207834054U (en) | 2017-12-28 | 2017-12-28 | A kind of combined type common mode inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834054U true CN207834054U (en) | 2018-09-07 |
Family
ID=63390333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886522.1U Expired - Fee Related CN207834054U (en) | 2017-12-28 | 2017-12-28 | A kind of combined type common mode inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834054U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273206A (en) * | 2018-10-19 | 2019-01-25 | 伊顿智能动力有限公司 | For supporting the holder device, inductor arrangement and uninterruptible power supply of inductor |
| CN109801779A (en) * | 2019-03-22 | 2019-05-24 | 东莞市谨瑞电子科技有限公司 | Card line terminal structure and functional module group |
| CN110600240A (en) * | 2019-09-29 | 2019-12-20 | 济南铂晶电子科技有限公司 | Subminiature mutual inductor, combined mutual inductor and mutual inductor framework |
| CN110600223A (en) * | 2019-09-24 | 2019-12-20 | 苏美尔磁性电子(惠州)有限公司 | Low magnetic loss alloy magnetic ring |
| CN111292921A (en) * | 2018-12-10 | 2020-06-16 | 中冶京诚工程技术有限公司 | Magnetic ring anti-interference method and device |
| CN112164561A (en) * | 2020-10-21 | 2021-01-01 | 惠州市迈特普电子有限公司 | High firm type annular inductor |
-
2017
- 2017-12-28 CN CN201721886522.1U patent/CN207834054U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273206A (en) * | 2018-10-19 | 2019-01-25 | 伊顿智能动力有限公司 | For supporting the holder device, inductor arrangement and uninterruptible power supply of inductor |
| CN109273206B (en) * | 2018-10-19 | 2021-08-31 | 伊顿智能动力有限公司 | Bracket device for supporting inductor, inductor device and uninterruptible power supply |
| CN111292921A (en) * | 2018-12-10 | 2020-06-16 | 中冶京诚工程技术有限公司 | Magnetic ring anti-interference method and device |
| CN111292921B (en) * | 2018-12-10 | 2021-08-27 | 中冶京诚工程技术有限公司 | Magnetic ring anti-interference method and device |
| CN109801779A (en) * | 2019-03-22 | 2019-05-24 | 东莞市谨瑞电子科技有限公司 | Card line terminal structure and functional module group |
| CN110600223A (en) * | 2019-09-24 | 2019-12-20 | 苏美尔磁性电子(惠州)有限公司 | Low magnetic loss alloy magnetic ring |
| CN110600223B (en) * | 2019-09-24 | 2021-06-01 | 苏美尔磁性电子(惠州)有限公司 | Low magnetic loss alloy magnetic ring |
| CN110600240A (en) * | 2019-09-29 | 2019-12-20 | 济南铂晶电子科技有限公司 | Subminiature mutual inductor, combined mutual inductor and mutual inductor framework |
| CN112164561A (en) * | 2020-10-21 | 2021-01-01 | 惠州市迈特普电子有限公司 | High firm type annular inductor |
| CN112164561B (en) * | 2020-10-21 | 2024-04-16 | 惠州市迈特普电子有限公司 | High-stability annular inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |