CN220106230U - Co-magnetic common-body differential mode inductor - Google Patents
Co-magnetic common-body differential mode inductor Download PDFInfo
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- CN220106230U CN220106230U CN202320697584.7U CN202320697584U CN220106230U CN 220106230 U CN220106230 U CN 220106230U CN 202320697584 U CN202320697584 U CN 202320697584U CN 220106230 U CN220106230 U CN 220106230U
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- coil
- input terminal
- output terminal
- magnetic core
- differential mode
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- 230000007704 transition Effects 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model relates to a homomagnetic common-body differential mode inductor, and belongs to the technical field of inductors. The technical scheme mainly aims at solving the problems of high production cost and large occupied space of the existing differential mode inductor and comprises the following steps: the magnetic core comprises a magnetic core, a first coil, a first input terminal, a first output terminal, a second coil, a second input terminal and a second output terminal; the first coil and the second coil are wound on the magnetic core, and the second coil is positioned at the front side of the first coil; the first input terminal and the first output terminal are respectively arranged at two ends of the first coil, and are electrically connected with the first coil; the second input terminal and the second output terminal are respectively arranged at two ends of the second coil, and the second input terminal and the second output terminal are electrically connected with the second coil. The utility model has low production cost, small occupied space and convenient installation.
Description
Technical Field
The utility model relates to the technical field of inductors, in particular to a homomagnetic common-body differential mode inductor.
Background
The conventional differential-mode inductance is a combination of a single winding and a magnetic core, the volume of the differential-mode inductance is changed along with the magnitude of power of a power supply, a column (rod) type open (non-closed) magnetic core device is mainly adopted, and in order to reduce the influence of a magnetic field on circuit interference during self-energizing operation, a vertical installation form with a small contact area (magnetic field radiation area) with a PCB (printed circuit board) is usually selected for the majority.
The inductor occupies a larger space in a vertical installation mode, so that the installation space is large during installation, and the installation is inconvenient; and the magnetic core in the device can use more materials in production and manufacture, thereby improving the production cost.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides a differential mode inductor which can reduce cost and is convenient to install.
The technical scheme of the utility model is as follows: the common-magnet common-body differential mode inductor comprises a magnetic core, a first coil, a first input terminal, a first output terminal, a second coil, a second input terminal and a second output terminal;
the first coil and the second coil are wound on the magnetic core, and the second coil is positioned at the front side of the first coil; the first input terminal and the first output terminal are respectively arranged at two ends of the first coil, and are electrically connected with the first coil; the second input terminal and the second output terminal are respectively arranged at two ends of the second coil, and the second input terminal and the second output terminal are electrically connected with the second coil.
Preferably, the device further comprises a shell; the shell is of a square frame structure, and the magnetic core longitudinally penetrates through the shell.
Preferably, the shell is in interference fit with the magnetic core, and the shell is in interference fit or transition fit with both the first coil and the second coil.
Preferably, the method further comprises a label; the label is arranged on the shell, the label is marked with a word of 'differential mode inductance FSYYWW', YY is the year of production, and WW is the period of production.
Preferably, the first coil and the second coil are both threaded through the fiberglass sleeve.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. when the differential-mode inductance coil is used, the first coil and the second coil are wound on the same magnetic core, so that the occupied space of the differential-mode inductance can be greatly reduced, and the installation is convenient.
2. The utility model can reduce the materials required by the manufacture of the magnetic core and reduce the production cost of the differential mode inductance.
3. According to the differential-mode inductance, the first coil and the second coil in the differential-mode inductance can be prevented from loosening or falling off by arranging the shell, and the stability of the differential-mode inductance during operation is guaranteed.
4. The volume is reduced, the cost is reduced, the overall layout is effectively improved, and the space utilization rate is increased.
5. The closed magnetic core structure is horizontally installed, shielding and centralized heat dissipation treatment are more beneficial to reducing the influence of the heat dissipation layout of the whole machine, and the utilization rate of the whole machine space is effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Reference numerals: 1. a housing; 2. a magnetic core; 3. a first coil; 4. a first input terminal; 5. a first output terminal; 6. a second coil; 7. a second input terminal; 8. a second output terminal; 9. and (5) a label.
Detailed Description
As shown in fig. 1, the homomagnetic common differential mode inductor provided by the utility model comprises a magnetic core 2, a first coil 3, a first input terminal 4, a first output terminal 5, a second coil 6, a second input terminal 7 and a second output terminal 8; the first coil 3 and the second coil 6 are wound on the magnetic core 2, and the second coil 6 is positioned at the front side of the first coil 3; the glass fiber sleeve is sleeved on the first coil 3 and the second coil 6, so that the first coil 3 and the second coil 6 can be well protected. The first input terminal 4 and the first output terminal 5 are respectively arranged at two ends of the first coil 3, and the first input terminal 4 and the first output terminal 5 are electrically connected with the first coil 3; the second input terminal 7 and the second output terminal 8 are respectively disposed at two ends of the second coil 6, and the second input terminal 7 and the second output terminal 8 are electrically connected with the second coil 6.
In order to facilitate staff to identify different types of differential mode inductances and facilitate staff to know the production year and period of the differential mode inductances, the utility model also comprises a label 9; the label 9 is arranged on the shell 1, and the label 9 is marked with a word of 'differential mode inductance FSYYWW', YY is the year of production, and WW is the period of production.
For protecting the magnetic core 2, the first coil 3 and the second coil 6, the utility model further comprises a housing 1; the housing 1 has a square frame structure, and the magnetic core 2 penetrates the housing 1 in the longitudinal direction. The interference fit between the shell 1 and the magnetic core 2, the shell 1 and the first coil 3 and the second coil 6 are in interference fit or transition fit, so that the first coil 3 and the second coil 6 can be limited, and are fixed on the magnetic core 2, and the falling of the first coil and the second coil is avoided.
When the differential-mode inductance coil is used, the first coil 3 and the second coil 6 are wound on the same magnetic core 2, so that the occupied space of the differential-mode inductance can be greatly reduced, and the installation is convenient. Meanwhile, materials required in manufacturing of the magnetic core 2 can be reduced, and the production cost of the work die inductor is reduced. In addition, the shell 1 is arranged, so that the first coil 3 and the second coil 6 in the differential-mode inductor can be prevented from loosening or falling off, and the stability of the differential-mode inductor during operation is ensured.
Because the interference electromagnetic field generates differential mode current between the lines, the interference can be caused on the load, and the device can effectively inhibit the differential mode interference in order to purify the power supply. The working mode of the product in the power supply is push-pull alternate operation, namely, two groups of coils can be loaded in the same magnet, in order to reduce the cost of the device, increase the space utilization rate of the whole machine, reduce the comprehensive influence on the temperature rise of the whole machine when the magnetic device dissipates heat, the product adopts a planar magnetic core with large area for heat dissipation, and the product adopts a combined structure of a closed magnetic device, and horizontally installs the planar magnetic core with extremely reduced magnetic field leakage, the finished product is assembled in an upper aluminum plate interlayer and a lower aluminum plate interlayer which are grounded, and the aluminum plate is provided with a heat dissipation system of an embedded cold water circulation copper pipe, thus forming a totally-enclosed shielding layer, eliminating the interference of a trace leakage magnetic field to a circuit when the device works, and maximally reducing the working temperature rise to ensure stable output performance
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (3)
1. The homomagnetic common differential mode inductor is characterized by comprising a magnetic core (2), a first coil (3), a first input terminal (4), a first output terminal (5), a second coil (6), a second input terminal (7), a second output terminal (8) and a shell (1);
the shell (1) is of a square frame structure, and the magnetic core (2) longitudinally penetrates through the shell (1); the first coil (3) and the second coil (6) are wound on the magnetic core (2), and the second coil (6) is positioned at the front side of the first coil (3); the first input terminal (4) and the first output terminal (5) are respectively arranged at two ends of the first coil (3), and the first input terminal (4) and the first output terminal (5) are electrically connected with the first coil (3); the second input terminal (7) and the second output terminal (8) are respectively arranged at two ends of the second coil (6), and the second input terminal (7) and the second output terminal (8) are electrically connected with the second coil (6).
2. A co-magnetic differential mode inductor according to claim 1, characterized in that the housing (1) is in an interference fit with the core (2), the housing (1) being in an interference fit or transition fit with both the first coil (3) and the second coil (6).
3. A common-magnet differential-mode inductor according to claim 1, characterized in that the first coil (3) and the second coil (6) are each passed through a glass-fibre sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320697584.7U CN220106230U (en) | 2023-03-28 | 2023-03-28 | Co-magnetic common-body differential mode inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320697584.7U CN220106230U (en) | 2023-03-28 | 2023-03-28 | Co-magnetic common-body differential mode inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106230U true CN220106230U (en) | 2023-11-28 |
Family
ID=88866600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320697584.7U Active CN220106230U (en) | 2023-03-28 | 2023-03-28 | Co-magnetic common-body differential mode inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106230U (en) |
-
2023
- 2023-03-28 CN CN202320697584.7U patent/CN220106230U/en active Active
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