CN208014514U - A kind of shielded high-current inductance - Google Patents
A kind of shielded high-current inductance Download PDFInfo
- Publication number
- CN208014514U CN208014514U CN201820047270.1U CN201820047270U CN208014514U CN 208014514 U CN208014514 U CN 208014514U CN 201820047270 U CN201820047270 U CN 201820047270U CN 208014514 U CN208014514 U CN 208014514U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- type magnetic
- metal shielding
- shielding shell
- current inductance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The utility model discloses a kind of shielded high-current inductance, the shielded high-current inductance includes Metal shielding shell, E-type magnetic core, coil, I types magnetic core and felt pad, Metal shielding shell is the shell of lower face opening other termination face closure, the insertion of E-type magnetic core is fixed in Metal shielding shell, and the center pillar and both sides side column of E-type magnetic core are downward, coil is placed on the center pillar of E-type magnetic core, between center pillar and both sides side column, I type magnetic cores are placed below E-type magnetic core and are fixed on Metal shielding shell, felt pad pad is between the center pillar and I type magnetic cores of E-type magnetic core, to form air gap between both sides side column and I type magnetic cores between center pillar and I type magnetic cores, the lower end pin of coil is pierced by from the side of I type magnetic cores extends to outside.The shielded high-current inductance improves saturation current, can more securely be connect with exterior part.
Description
Technical field
The utility model is related to a kind of shielded high-current inductance.
Background technology
Heavy-current inductor refers to high stability, and the inductance of resistance to high current high current, it has the characteristics that common chip inductor,
And existing heavy-current inductor also has the following deficiencies place：
1, existing heavy-current inductor is generally half screen shield structure, when in use, it is dry to generate electromagnetism to other components
It disturbs.
2, it is generally produced, is needed in using manganese-zinc ferrite or other FERRITE COREs in existing heavy-current inductor
Air gap is ground at column, when center pillar air gap is excessive, magnetic circuit can change, and will produce great core loss.
3, patch type Flat wire high-current inductor is all made of 180 ° and goes out foot, and PIN foot welding surface when going out foot is smaller, in high frequency
It is easy to fall off in the environment of vibration experiment.
Utility model content
The purpose of this utility model is just to provide a kind of shielded high-current inductance, and which raises saturation currents.
What this purpose of the utility model was realized by following technical solution：
A kind of shielded high-current inductance, including Metal shielding shell, E-type magnetic core, coil, I types magnetic core and felt pad, gold
Belong to the shell that shielding shell is lower face opening other termination face closure, the insertion of E-type magnetic core is fixed in Metal shielding shell, and E
Downward, coil is placed on the center pillar of E-type magnetic core the center pillar and both sides side column of type magnetic core, between center pillar and both sides side column, I
Type magnetic core is placed below E-type magnetic core and is fixed on Metal shielding shell, center pillar and I type magnetic of the felt pad pad in E-type magnetic core
Between core, to which air gap, the lower end pin of coil are formed between both sides side column and I type magnetic cores between center pillar and I type magnetic cores
It is pierced by from the side of I type magnetic cores and extends to outside.
Further, the pin of coil is rolled over around a wherein side for I type magnetic cores, lower surface and opposite another side successively
Curved, to make its fixing buckle on I type magnetic cores, the outer surface positioned at the two sides of I type magnetic cores and following part of pin is equal
For the solder side connected for scolding tin.
Further, the dogleg section of I types magnetic core corresponding pin is equipped with fixing groove, and the dogleg section of pin is corresponded to embedded in solid
Determine in slot.
Further, Metal shielding shell is formed by Copper fabrication.
Further, E-type magnetic core and I type magnetic cores are manganese-zinc ferrite core.
Further, the rear and front end of E-type magnetic core extends outwardly respectively, and shelves directed downwardly are equipped in the outer end of extension
Plate.
Further, the side wall of Metal shielding shell is equipped with the clamping block to protrusion inside Metal shielding shell, E-type magnetic core
It is tightly stuck between clamping block, while being also fixedly connected by glue between E-type magnetic core and Metal shielding shell, I type magnetic cores pass through
Glue is fixed at the lower ending opening of Metal shielding shell.
Further, Metal shielding shell is the shell for the tetragonal body shape being made of four pieces of side walls and top plate, metallic shield
The side wall corresponding pin of shell is provided with installation notch.
Compared with prior art, the utility model has the advantages that：
1, the utility model is lined with felt pad between the center pillar and I type magnetic cores of E-type magnetic core so that E-type magnetic core and I type magnetic
Air gap is formed between core, air gap is distributed under center pillar and both sides side column, and improve saturation current reduces magnetic after air gap dispersion
Core loss.
2, the utility model makes its magnetic core and coil cover in Metal shielding shell by the change to structure, reduces
Magnetic leakage reduces interference of the inductance to other components on pcb board, reaches more fully Magnetic Shielding Effectiveness.
3, the pin of the utility model is by being buckled on I type magnetic cores around the part of I type magnetic core bendings so that the position of pin
It is used equally for scolding tin to connect with the outer surface of the part of following side in the two sides of I type magnetic cores, the solder side of pin increases, also
It enables it to increase product solderability by the stronger connection of scolding tin with exterior part, under the environment such as high-frequency vibration make
With being not easy to fall off.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the utility model shielded high-current inductance；
Fig. 2 is the stereoscopic schematic diagram after the overturning of the utility model shielded high-current inductance；
Fig. 3 is the exploded perspective view of the utility model shielded high-current inductance；
Fig. 4 is the half sectional view of the utility model shielded high-current inductance；
Fig. 5 is the stereoscopic schematic diagram of the Metal shielding shell of the utility model shielded high-current inductance；
Fig. 6 is the stereoscopic schematic diagram after the E-type magnetic core overturning of the utility model shielded high-current inductance；
Fig. 7 is the stereoscopic schematic diagram of the coil of the utility model shielded high-current inductance；
Fig. 8 is the stereoscopic schematic diagram after the coil overturning of the utility model shielded high-current inductance；
Fig. 9 is the stereoscopic schematic diagram of the I type magnetic cores of the utility model shielded high-current inductance；
Figure 10 is the stereoscopic schematic diagram after the I type magnetic cores overturning of the utility model shielded high-current inductance；
The coil and the stereoscopic schematic diagram after the assembly of I type magnetic cores that Figure 11 is the utility model shielded high-current inductance；
Figure 12 is the three-dimensional signal after the coil of the utility model shielded high-current inductance is assembled and overturn with I type magnetic cores
Figure.
Specific implementation mode
A kind of shielded high-current inductance as shown in Figure 1, Figure 2, Figure 3 and Figure 4 comprising Metal shielding shell 1, E types
Magnetic core 2, coil 3, I types magnetic core 4 and felt pad 5.
As shown in figure 5, Metal shielding shell 1 is formed by Copper fabrication, or other metal materials, copper material is as best
Magnetic screen metal has good magnetic shield property, prevents electromagnetic interference.Metal shielding shell 1 is by four pieces of side walls and top plate
Composition only lower face opening tetragonal body shape shell, in order to facilitate the installation of E-type magnetic core, Metal shielding shell 1 it is interior
Portion's space size is slightly larger than E-type magnetic core 2.The side wall of Metal shielding shell 1 is equipped with the clamping to protrusion inside Metal shielding shell
Block 11, the clamping block are stamped to form from appearance, groove are formed on the surface of Metal shielding shell 1, in Metal shielding shell
Wherein two opposed side walls on be respectively equipped with a clamping block, two clamping blocks are respectively equipped on other two side.
For E-type magnetic core 2 out of the lower ending opening of Metal shielding shell 1 insertion Metal shielding shell 1, E-type magnetic core 2 is clamped in card
It between tight block 11, while being also fixedly connected by glue between E-type magnetic core 2 and Metal shielding shell 1, strengthens connection.Such as Fig. 6
Shown in overturn after E-type magnetic core, E-type magnetic core 2 be equipped with center pillar 22 directed downwardly and left and right sides side column 21, E-type magnetic core 2 it is front and back
Both ends extend outwardly respectively, plate washer 23 directed downwardly are equipped in the outer end of extension, between center pillar and both sides side column and two plate washers
Form an annular groove 24.
Coil 3 is placed on the center pillar 22 of E-type magnetic core 2, is located in annular groove 24, I types magnetic core 4 is placed below E-type magnetic core 2
And be fixed on Metal shielding shell 1 by glue, the lower end that the size of I types magnetic core 4 is slightly smaller than Metal shielding shell 1 is opened
Mouthful so that I types magnetic core 4 can cover the lower ending opening of Metal shielding shell 1 substantially.Felt pad 5 pads the center pillar 22 in E-type magnetic core 2
Between I types magnetic core 4 so that form air gap 6 between E-type magnetic core 2 and I types magnetic core 4, air gap 6 is distributed in center pillar 22 and two sides
Under column 21, to improve saturation current, after air gap 6 disperses, the air gap at center pillar 22 can be reduced in design, magnetic circuit is allowed to keep
Original path, can't generate a large amount of losses at single air gap, and the thickness of the felt pad 5 is less than 1mm.The heavy-current inductor
After assembling, the lower part of I types magnetic core 4 is exposed from the lower end of Metal shielding shell 1.
As shown in FIG. 7 and 8, coil 3 set there are two be located at lower end pin 31, pin respectively successively around I type magnetic cores its
In a side, lower surface and opposite another side bending, to make it be buckled on I type magnetic cores, concrete structure is：Pin 31
Equipped with U-shaped bending part 311, interconnecting piece 312 and positioned at the barb-like bending part 313 of pin tail end, the upper end of U-shaped bending part 311
It is connect with the main body of coil 3, lower end is connect with one end of interconnecting piece 312, the other end of interconnecting piece 312 and barb-like bending part
313 connections.As shown in FIG. 10 and 11, when assembling, coil 3 is located at the top of I types magnetic core 4, and U-shaped bending part 311 is open by it
It is buckled in a side of I types magnetic core 4, barb-like bending part 313 hooks the opposite with 311 place side of U-shaped bending part of I types magnetic core 4
Another side coil 3 is fixed on 4 top of I types magnetic core to being firmly buckled on I types magnetic core 4.
As shown in Fig. 9 to Figure 12, in I types magnetic core 4 and U-shaped bending part 311, interconnecting piece 312 and barb-like bending part 313
Corresponding place is equipped with fixing groove 41, and U-shaped bending part 311, interconnecting piece 312 and barb-like bending part 313 are corresponded to embedded in fixation
In slot 41 so that after assembling, the outer surface of I types magnetic core 4 is more smooth, can preferably be welded with exterior part.U-shaped bending part
311 side surface and lower surface, the lower surface of interconnecting piece 312, the lower surface of barb-like bending part 313 and side surface are to be used for
The solder side 32 of the solder side 32 being connect with exterior part scolding tin, the heavy-current inductor significantly increases, and increases product solderability,
It enables it to more securely connect by scolding tin with exterior part.When assembling, coil 3 is placed on the center pillar and both sides side column of E-type magnetic core
Between 21, i.e., coil 3 is located in annular groove 24, and I types magnetic core 4 is fixed on by glue at the lower ending opening of Metal shielding shell 1,
It is placed at the lower ending opening of Metal shielding shell 1, installation notch 12, figure is provided in the side wall corresponding pin of Metal shielding shell 1
Shown in open there are four install notch 12, Metal shielding shell 1 is interfered with pin 31 when which avoids assembling,
And the side solder side of pin 31 is exposed.E-type magnetic core 2 and I types magnetic core 4 are manganese-zinc ferrite or other FERRITE COREs.
The production technology of existing inductance is just to carry out the bending of pin after finishing assembly, can often be occurred to I type magnetic
The shielded high-current inductance of the case where core damages, the utility model may be implemented first due to the difference of structure by pin
It is assembled again after bending is good, processing step is：
Step 1 carries out coiling to coil 3；
Step 2 carries out bending and molding to the pin 31 of coil by above structure；
Step 3 carries out depainting to the pin 31 of coil；
Step 4 carries out scolding tin to the pin 31 of coil；
Step 5 is finally assembled by the overall structure of shielded high-current inductance, and in assembling process, I types magnetic core 4 is
Fastening realizes on pin 31 and first carries out bending to pin 31, then the technique assembled.The production technology avoids existing
It carries out the damage caused by I type magnetic cores when the bending of pin in technique again after finishing assembly, reduces the breakage of I type magnetic cores,
Reduce fraction defective.In the design of automation process, bending first is carried out to pin, I types magnetic core is in follow-up fastening on pin
, more applicable automated production improves production efficiency.
The utility model is applicable to high current, small size and requires solderability high field, as DC-DC turns
Parallel operation, industrial power, automotive electronics, military project, the high vibrations such as aviation field.
Above-described embodiment of the utility model is not the restriction to scope of protection of the utility model, the reality of the utility model
It is without being limited thereto to apply mode, all this kind the above according to the present utility model, according to the ordinary technical knowledge of this field and used
With means, under the premise of not departing from the utility model above-mentioned basic fundamental thought, the utility model above structure is made its
The modification, replacement or change of its diversified forms, shall fall within the scope of the present invention.
Claims (8)
1. a kind of shielded high-current inductance, it is characterised in that：Including Metal shielding shell, E-type magnetic core, coil, I types magnetic core and
Felt pad, the Metal shielding shell are the shell of lower face opening other termination face closure, and institute is fixed in the E-type magnetic core insertion
It states in Metal shielding shell, and the center pillar of the E-type magnetic core and both sides side column are downward, the coil is placed on the E-type magnetic core
Center pillar on, between the center pillar and both sides side column, the I types magnetic core is placed below the E-type magnetic core and is fixed on
On the Metal shielding shell, the felt pad pad is between the center pillar and the I types magnetic core of the E-type magnetic core, in described
Form air gap between column and I type magnetic cores between the both sides side column and I type magnetic cores, the lower end pin of the coil is from the I
The side of type magnetic core, which is pierced by, extends to outside.
2. shielded high-current inductance according to claim 1, it is characterised in that：The pin of the coil is successively around described
A wherein side, lower surface and the opposite another side bending of I type magnetic cores, to make its fixing buckle on the I types magnetic core,
The pin with the outer surface of following part is the scolding tin connected for scolding tin positioned at the two sides of the I types magnetic core
Face.
3. shielded high-current inductance according to claim 2, it is characterised in that：The I types magnetic core corresponds to the pin
Dogleg section be equipped with fixing groove, the dogleg section of the pin corresponds in the fixing groove.
4. shielded high-current inductance according to claim 1, it is characterised in that：The Metal shielding shell is by Copper fabrication
It forms.
5. shielded high-current inductance according to claim 1, it is characterised in that：The E-type magnetic core and I type magnetic cores are
Manganese-zinc ferrite core.
6. shielded high-current inductance according to claim 1, it is characterised in that：The rear and front end of the E-type magnetic core point
Do not extend outwardly, plate washer directed downwardly is equipped in the outer end of extension.
7. the shielded high-current inductance according to claim 1 to 6 any one, it is characterised in that：The metallic shield
The side wall of shell is equipped with the clamping block to protrusion inside the Metal shielding shell, and the E-type magnetic core is tightly stuck in the clamping block
Between, while being also fixedly connected by glue between the E-type magnetic core and the Metal shielding shell, the I types magnetic core passes through
Glue is fixed at the lower ending opening of the Metal shielding shell.
8. shielded high-current inductance according to claim 7, it is characterised in that：The Metal shielding shell is by four pieces
The shell of the tetragonal body shape of side wall and top plate composition, the side wall of the Metal shielding shell, which corresponds to the pin and is provided with installation, to be cut
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047270.1U CN208014514U (en) | 2018-01-11 | 2018-01-11 | A kind of shielded high-current inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047270.1U CN208014514U (en) | 2018-01-11 | 2018-01-11 | A kind of shielded high-current inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208014514U true CN208014514U (en) | 2018-10-26 |
Family
ID=63881606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820047270.1U Active CN208014514U (en) | 2018-01-11 | 2018-01-11 | A kind of shielded high-current inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208014514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023548A (en) * | 2021-11-01 | 2022-02-08 | 横店集团东磁股份有限公司 | Inductive magnetic element manufacturing method and inductive magnetic element |
-
2018
- 2018-01-11 CN CN201820047270.1U patent/CN208014514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023548A (en) * | 2021-11-01 | 2022-02-08 | 横店集团东磁股份有限公司 | Inductive magnetic element manufacturing method and inductive magnetic element |
| CN114023548B (en) * | 2021-11-01 | 2023-03-21 | 横店集团东磁股份有限公司 | Inductive magnetic element manufacturing method and inductive magnetic element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101253587B (en) | Noise filter | |
| KR101803096B1 (en) | A shield type inductor | |
| US20100321143A1 (en) | Inductor | |
| US7135949B2 (en) | Transformer or inductor containing a magnetic core having abbreviated sidewalls and an asymmetric center core portion | |
| JPH0799137A (en) | Three-terminal type noise filter and manufacture thereof | |
| CN208014514U (en) | A kind of shielded high-current inductance | |
| JP2001185422A (en) | Induction parts having low height outer shape | |
| CN110233030B (en) | PFC coil device and manufacturing method thereof | |
| JP2005505916A (en) | Component core with coil termination | |
| CN209015866U (en) | A kind of magnetic shielding inductor | |
| DE69729127T2 (en) | INDUCTIVE COMPONENT AND METHOD FOR PRODUCING SUCH A COMPONENT | |
| US20090251272A1 (en) | Inductor | |
| CN215731286U (en) | Combined high-saturation large-current inductor | |
| US20110080243A1 (en) | Inductor | |
| CN211237955U (en) | Inductance assembly | |
| CN208908181U (en) | Chip inductor and electronic equipment | |
| CN104253324A (en) | Electric connector | |
| CN208589344U (en) | A kind of inductance element | |
| CN209561149U (en) | A kind of exoskeletal heavy-current inductor | |
| JPS6043805A (en) | Inductance component parts | |
| CN206877782U (en) | Transformer shell | |
| CN209133326U (en) | Inductor | |
| CN207704997U (en) | A kind of patch type inductor and automobile | |
| CN217035363U (en) | Shielding compact type large-current inductor | |
| KR101638310B1 (en) | Three-axis coil antenna and a method of manufacturing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A shielded high current inductor Effective date of registration: 20210810 Granted publication date: 20181026 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN CODACA ELECTRONIC Co.,Ltd. Registration number: Y2021980007499 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220822 Granted publication date: 20181026 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN CODACA ELECTRONIC Co.,Ltd. Registration number: Y2021980007499 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 3401-3405, Building 11, Tian'an Yungu Industrial Park Phase II (Plot 02-08), Gangtou Community, Bantian Street, Longgang District, Shenzhen, Guangdong Patentee after: SHENZHEN CODACA ELECTRONIC Co.,Ltd. Address before: 518000 a, floor 2, building 2, Yongchuang Science Park, science and technology second road, shangxue science and Technology City, Bantian street, Longgang District, Shenzhen, Guangdong Patentee before: SHENZHEN CODACA ELECTRONIC Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |