CN207834091U - A kind of common mode choke easy to assembly - Google Patents
A kind of common mode choke easy to assembly Download PDFInfo
- Publication number
- CN207834091U CN207834091U CN201721886408.9U CN201721886408U CN207834091U CN 207834091 U CN207834091 U CN 207834091U CN 201721886408 U CN201721886408 U CN 201721886408U CN 207834091 U CN207834091 U CN 207834091U
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- China
- Prior art keywords
- magnetic core
- winding
- common mode
- easy
- pedestal
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- 238000004804 winding Methods 0.000 claims abstract description 69
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000000670 limiting effect Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Coils Or Transformers For Communication (AREA)
Abstract
The utility model discloses a kind of common mode chokes easy to assembly, magnetic core including pedestal, equipped with several through-holes, the winding being wound on magnetic core, the magnetic core is fixedly installed in above pedestal, the through-hole is at least provided with two, at least provided with one group of winding in each through-hole, the winding quantity is the integral multiple of number of openings, and the pedestal both sides are fixedly installed guide holder, and the winding both ends are each passed through two guide holders and are fixedly connected on guide holder.By the way that different windings through in different through-holes, to make to be spaced between winding, is reduced the possibility that the winding for not wanting to make it to generate mutual inductance generates mutual inductance.The function is realized by magnetic core itself, without contacting partition board, also just without the installation of partition board, to make entire choke coil that can more easily be assembled.
Description
Technical field
The utility model is related to inductance original paper, more particularly to a kind of common mode choke easy to assembly.
Background technology
Common mode choke is one using materials such as ferrites as the common mode interference suppression device of magnetic core, it is by two size phases
Together, the identical coil of the number of turns is symmetrically wound on the same oxysome toroidal core, forms a four-terminal device, be for altogether
Mould signal shows that big inductance is inhibited, and the magnetic flux when flowing through common mode current in choke coil in magnet ring is overlapped mutually,
To have sizable inductance value, inhibiting effect is played to common mode current, and when two coils flow through differential-mode current, in magnet ring
Magnetic flux cancel out each other, almost without inductance value, so differential-mode current can pass through undampedly.Therefore common mode chokes power is flat
Common mode interference signal can be effectively inhibited in weighing apparatus circuit.
Currently, the Chinese patent that China Patent No. is CN204303521U discloses a kind of New single-phase common mode choke,
First winding and the second winding are in the symmetrical coiling in magnetic core both sides, and partition board is located at the middle part of magnetic core, along the first winding and the second winding
Symmetrical center line setting.
Partition board plays the purpose of partition the first winding and the second winding, avoids the first winding and the second winding from contacting and generates
Mutual inductance.Wherein, to achieve the purpose that partition board is fixed in magnetic core, usual partition board is connected using epoxy resin black glue with magnetic core
It connects.When partition board and magnetic core are mounted together, need to be attached each breakpoint of partition board by epoxy resin black glue one by one,
Keep the integral installation efficiency of the choke coil low.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of common mode chokes easy to assembly
Circle is not required to install the probability that a partition board can reach generation mutual inductance between reduction winding, so that common mode choke is more easily assembled, improve
Its installation effectiveness.
To achieve the above object, the utility model provides following technical solution：
A kind of common mode choke easy to assembly, including pedestal, the magnetic core equipped with several through-holes, be wound on magnetic core
Winding, the magnetic core are fixedly installed in above pedestal, and the through-hole is at least provided with two, at least provided with one in each through-hole
Group winding, the winding quantity are the integral multiple of number of openings, and the pedestal both sides are fixedly installed guide holder, described in one
Winding both ends are each passed through two guide holders and are fixedly connected on guide holder.
By using above-mentioned technical proposal, by by different windings through in different through-holes, to make quilt between winding
It separates, reduces the possibility that the winding for not wanting to make it to generate mutual inductance generates mutual inductance.The function realized by magnetic core itself, without
Partition board is contacted, also just without the installation of partition board, to make entire choke coil that can more easily be assembled.Only need to by winding around
It is located on magnetic core, so that winding both ends is passed through guide holder, winding both ends and guide holder is made to be adhesively fixed.
The utility model is further arranged to：The base outer wall along and vertical direction offer for by winding overhang
It is oriented to the caulking groove of guide holder, the guide holder is located at caulking groove lower end.
By using above-mentioned technical proposal, winding one end can be embedded in caulking groove, it is made to enter guiding along caulking groove
In seat, and then make what winding can be more stable to be mounted on the base.Also more easily winding both ends can be embedded in guide holder, is made
The choke coil can be fitted together easily.
The utility model is further arranged to：The winding both ends it is horizontally disposed and with pedestal lower face position
In same level.
It, can be more easily by winding both ends to make the choke coil when accessing circuit by using above-mentioned technical proposal
Circuit is accessed, the installation of the choke coil is facilitated.
The utility model is further arranged to：The winding both ends are arranged with protective case.
By using above-mentioned technical proposal, protective case can play a protective role to winding both ends, reduce in transit
Possibility of the winding both ends due to external force failure in bending.
The utility model is further arranged to：The straight slot for being connected to two adjacent through-holes is offered on the magnetic core,
Adjusting block is embedded in the straight slot, the adjusting block is adhesively fixed in magnetic core, and the adjusting block is different with the magnetic conductivity of magnetic core.
By using above-mentioned technical proposal, can magnetic core be made of two kinds of unlike materials, permeability frequency characteristics combine
The feature of different magnetic materials makes magnetic core in wider frequency range, and higher magnetic conductivity can be presented, and meets common mode and grips
The requirement that stream circle develops to wideband direction.
The utility model is further arranged to：The adjusting block is equipped with limited block, and connection is offered on the magnetic core
The limiting slot of straight slot, the limited block are embedded in limiting slot.
By using above-mentioned technical proposal, there are one the limit power along base length direction to limited block for limiting slot, thus
Make what adjusting block can be more stable to be mounted on magnetic core.
The utility model is further arranged to：The core cross section is in waist type, and the through-hole sets there are two and distinguishes position
In magnetic core both ends, two through-holes are symmetrical set along core center line.
By using above-mentioned technical proposal, increase the distance between two windings as possible, and then reduces it and generate mutual inductance
Probability.Simultaneously can also make winding can more easily coiling on magnetic core.
The utility model is further arranged to：The pedestal upper surface is equipped with groove, and the magnetic core is embedded in groove
And it is fixedly connected on pedestal.
By using above-mentioned technical proposal, groove there are one power is limited, makes what magnetic core can be more stable to be mounted on bottom magnetic core
On seat.And then it reduces since magnetic core and pedestal detach the probability for causing winding to be pullled damage.
The utility model is further arranged to：Epoxy resin adhesive layer is equipped between the groove and magnetic core.
By using above-mentioned technical proposal, make what magnetic core can be more stable to be mounted on the base.And then it reduces due to magnetic core
The probability for causing winding to be pullled damage is detached with pedestal.
The utility model has the following advantages：1, choke coil can be more easily assembled, and can easily be connected into electricity
Lu Zhong；2, magnetic conductivity can be changed according to actual demand.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the sectional view of embodiment；
Fig. 3 is the vertical view of embodiment；
Fig. 4 is that winding one end end of embodiment is installed to when other end end is not mounted in guide holder in guide holder
Partial sectional view.
Reference numeral：1, pedestal；2, magnetic core；3, winding；4, through-hole；5, groove；6, epoxy resin adhesive layer；7, it is oriented to
Seat；8, wears groove；9, caulking groove；10, straight slot；11, limiting slot；12, adjusting block；13, limited block；14, protective case.
Specific implementation mode
The utility model is described further with reference to attached drawing.
As shown in Figure 1, a kind of common mode choke easy to assembly, including pedestal 1, the magnetic core 2 on pedestal 1, around
Roll up the winding 3 on magnetic core 2.2 section of magnetic core is in waist type, opens up that there are two through-holes 4 on magnetic core 2, and two through-holes 4 are located at
2 both ends of magnetic core.Two through-holes 4 are symmetrical set along 2 center line of magnetic core.Winding 3 be equipped with several groups, winding 3 pass through through-hole 4 and around
It rolls up on magnetic core 2.At least provided with one group of winding 3 in each through-hole 4,3 quantity of winding is the integral multiple of 4 quantity of through-hole.
As shown in Figure 1,1 upper surface of pedestal is equipped with groove 5, magnetic core 2 is embedded in groove 5.In order to keep magnetic core 2 more stable
Be mounted on pedestal 1, epoxy resin adhesive layer 6 is equipped between groove 5 and magnetic core 2, and then make and magnetic core 2 is fixedly connected on bottom
Seat 1.
As shown in figure 3,1 both sides of pedestal are fixedly installed guide holder 7, guide holder 7 is equipped with to be passed through for 3 end of winding
Wears groove 8.One 3 both ends of winding is each passed through the guide holder 7 positioned at 1 both sides of pedestal and is fixedly connected on guide holder 7.Weldering can be passed through
The modes such as connecing or be bonded makes winding 3 and guide holder 7 fix.
As shown in figure 4, in order to which winding 3 is more smoothly passed through guide holder 7, pedestal 1 outer wall along and vertical direction offer
For by the caulking groove 9 of 3 terminal guide guide holder 7 of winding, guide holder 7 to be located at 9 lower end of caulking groove.Winding 3 is embedded in caulking groove 9.For
Make choke coil that can more easily access circuit, winding 3 both ends pass through it is horizontally disposed after guide holder 7, and with pedestal 1
Lower face is located at same level.3 both ends of winding are arranged with protective case 14, and protective case 14 can be by the flexible material system of such as rubber
At.
As shown in Figure 1, in order to meet the wideband of the choke coil, offered on magnetic core 2 for being connected to two adjacent through-holes 4
Straight slot 10, the limiting slot 11 of connection straight slot 10 is offered on magnetic core 2.Adjusting block 12 is embedded in straight slot 10, on adjusting block 12
Equipped with limited block 13, limited block 13 is embedded in limiting slot 11.Adjusting block 12 is adhesively fixed in magnetic core 2, adjusting block 12 and magnetic core 2
Magnetic conductivity it is different.The permeability frequency characteristics of magnetic core 2 combine the feature of different magnetic materials, make magnetic core 2 in wider frequency
Within the scope of rate, higher magnetic conductivity can be presented, meet the requirement that common mode choke develops to wideband direction.
The building block principle of the choke coil is as follows：
1, according to actual demand, install the adjusting block 12 of suitable magnetic conductivity in straight slot 10, and by it by bonding or
Adjusting block 12 and magnetic core 2 are fixed together by the modes such as welding；
2, winding 3 is passed through into through-hole 4 and coiling is on magnetic core 2, at least provided with one group of winding 3, winding 3 in each through-hole 4
Quantity is the integral multiple of 4 quantity of through-hole；
Magnetic core 2 is embedded in groove 5 and is adhesively fixed with pedestal 1 by the 3, coating adhesive on the groove 5 of pedestal 1；
4,3 end of winding is embedded in caulking groove 9 and is passed through along caulking groove 9 wears groove 8 of guide holder 7, then make 3 end of winding
Portion is horizontally disposed；One end of each winding 3 corresponds to a caulking groove 9 and a guide holder 7；It is needing to use
When, only circuit need to be accessed in 3 end of winding；
Due to the choke coil and non-inductive windings, therefore there is no partition board damage, peaces to tear cumbersome problem open, makes choke coil that can be more convenient
Be assembled.
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 (9)
1. a kind of common mode choke easy to assembly, it is characterized in that：Including pedestal（1）, be equipped with several through-holes（4）Magnetic core
（2）, be wound in magnetic core（2）On winding（3）, the magnetic core（2）It is fixedly installed in pedestal（1）Top, the through-hole（4）At least
There are two if, each through-hole（4）It is interior at least provided with one group of winding（3）, the winding（3）Quantity is through-hole（4）Quantity
Integral multiple, the pedestal（1）Both sides are fixedly installed guide holder（7）, a winding（3）Both ends are each passed through two and lead
To seat（7）And it is fixedly connected on guide holder（7）.
2. a kind of common mode choke easy to assembly according to claim 1, it is characterized in that：The pedestal（1）Outer wall edge
And vertical direction is offered for by winding（3）Terminal guide guide holder（7）Caulking groove（9）, the guide holder（7）Positioned at caulking groove
（9）Lower end.
3. a kind of common mode choke easy to assembly according to claim 2, it is characterized in that：The winding（3）Both ends are equal
Horizontally disposed and and pedestal（1）Lower face is located at same level.
4. a kind of common mode choke easy to assembly according to claim 3, it is characterized in that：The winding（3）Both ends are equal
It is arranged with protective case（14）.
5. a kind of common mode choke easy to assembly according to claim 4, it is characterized in that：The magnetic core（2）On open up
It is useful for two adjacent through-holes of connection（4）Straight slot（10）, the straight slot（10）Inside it is embedded with adjusting block（12）, the adjusting block
（12）It is adhesively fixed in magnetic core（2）, the adjusting block（12）And magnetic core（2）Magnetic conductivity it is different.
6. a kind of common mode choke easy to assembly according to claim 5, it is characterized in that：The adjusting block（12）On set
There is limited block（13）, the magnetic core（2）On offer connection straight slot（10）Limiting slot（11）, the limited block（13）It is embedded at
Limiting slot（11）It is interior.
7. a kind of common mode choke easy to assembly according to claim 6, it is characterized in that：The magnetic core（2）Section is in
Waist type, the through-hole（4）If there are two and it is located at magnetic core（2）Both ends, two through-holes（4）Along magnetic core（2）Center line
It is symmetrical set.
8. a kind of common mode choke easy to assembly according to claim 1, it is characterized in that：The pedestal（1）Upper surface
Equipped with groove（5）, the magnetic core（2）It is embedded at groove（5）It is interior and be fixedly connected on pedestal（1）.
9. a kind of common mode choke easy to assembly according to claim 8, it is characterized in that：The groove（5）And magnetic core
（2）Between be equipped with epoxy resin adhesive layer（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886408.9U CN207834091U (en) | 2017-12-28 | 2017-12-28 | A kind of common mode choke easy to assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886408.9U CN207834091U (en) | 2017-12-28 | 2017-12-28 | A kind of common mode choke easy to assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834091U true CN207834091U (en) | 2018-09-07 |
Family
ID=63390310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886408.9U Expired - Fee Related CN207834091U (en) | 2017-12-28 | 2017-12-28 | A kind of common mode choke easy to assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993254A (en) * | 2019-12-24 | 2020-04-10 | 江苏晨朗电子集团有限公司 | Integrated difference-common mode filter of magnetic materials in multiple frequency bands |
-
2017
- 2017-12-28 CN CN201721886408.9U patent/CN207834091U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993254A (en) * | 2019-12-24 | 2020-04-10 | 江苏晨朗电子集团有限公司 | Integrated difference-common mode filter of magnetic materials in multiple frequency bands |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20211228 |