CN219437488U - Electromagnetic interference filter - Google Patents
Electromagnetic interference filter Download PDFInfo
- Publication number
- CN219437488U CN219437488U CN202320059736.0U CN202320059736U CN219437488U CN 219437488 U CN219437488 U CN 219437488U CN 202320059736 U CN202320059736 U CN 202320059736U CN 219437488 U CN219437488 U CN 219437488U
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- fixedly connected
- electromagnetic interference
- fixing
- interference filter
- symmetrically
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses an electromagnetic interference filter, which comprises a box body, wherein an installation groove is formed in the box body, a cover plate is arranged at the upper end of the installation groove, two shielding layers are symmetrically arranged in the box body, a fixing plate is arranged between the shielding layers, a fixing groove is formed in the lower end of the fixing plate, and a plurality of heat dissipation cross nets are uniformly and fixedly connected in the fixing groove. Through above-mentioned structure, through the shielding layer of S form distribution, can prevent more effectively that electromagnetic interference from revealing, play the effect of filtering electromagnetic interference, the inside fixed plate that is provided with of box, the fixed plate upper end is provided with the apron, apron bilateral symmetry is provided with and filters straight net, the fixed plate lower extreme is provided with the fixed slot, the inside even fixedly connected with of fixed slot is a plurality of heat dissipation cross nets, both ends symmetry is provided with the export about the heat dissipation cross net, make the device can carry out fine heat dissipation after using inside part through heat dissipation cross net and heat dissipation straight net.
Description
Technical Field
The utility model relates to the technical field of electromagnetic interference filtering, in particular to an electromagnetic interference filter.
Background
Electromagnetic interference needs to be filtered when in use so that it can prevent leakage of electromagnetic interference.
When electromagnetic interference is filtered, the single shielding structure is used in the prior art, the filtering effect of the electromagnetic interference filtering device cannot be expected, a part fixed in the internal installation generates a lot of heat after being used, and the electromagnetic interference filtering device is not easy to emit out in the prior art.
Disclosure of Invention
The utility model aims to provide an electromagnetic interference filter which is convenient for a multi-layer structure to prevent electromagnetic interference leakage and can filter electromagnetic interference and radiate heat generated inside.
In order to achieve the above-mentioned purpose, provide an electromagnetic interference filter, the power distribution box comprises a box body, box lower extreme fixedly connected with mount pad, mount pad lower extreme symmetry fixedly connected with two mounting panels, the inside mounting groove that is provided with of box, the mounting groove upper end is provided with the apron, the inside symmetry of box is provided with two shielding layers, be provided with the fixed plate between the shielding layer, the fixed plate lower extreme is provided with the fixed slot, a plurality of heat dissipation cross nets of even fixedly connected with of fixed slot inside.
According to the electromagnetic interference filter, reinforcing ribs are symmetrically and fixedly connected to two sides of the box body, and the lower ends of the reinforcing ribs are fixedly connected to the upper ends of the mounting seats.
According to the electromagnetic interference filter, one end of the mounting plate is fixedly connected to the mounting piece, and two locking bolts are symmetrically connected to the upper end of the mounting piece in a threaded manner.
According to the electromagnetic interference filter, two heat dissipation straight nets are symmetrically and fixedly connected to two sides of the cover plate, and four thread locking rods are uniformly and spirally connected to the periphery of the cover plate.
According to the electromagnetic interference filter, the two side walls of the box body are provided with the inlet.
According to the electromagnetic interference filter, the shielding layer is distributed in an S shape, one end of the shielding layer is fixedly connected with a first fixing block, one end of the first fixing block is fixedly connected with the inner wall of the box body, and two fixing bolts are symmetrically connected with the upper end of the first fixing block in a threaded mode.
According to the electromagnetic interference filter, two second fixing blocks are symmetrically and fixedly connected to two sides of the fixing plate, and one end of each second fixing block is fixedly connected to one end of the shielding layer.
According to the electromagnetic interference filter, two outlets are symmetrically arranged at the upper end and the lower end of the heat dissipation cross net, and the outlets penetrate through the fixing groove.
The beneficial effects are that:
1. two shielding layers are symmetrically arranged on two sides of the fixing plate, the shielding layers are distributed in an S shape, electromagnetic interference leakage can be effectively prevented through the S-shaped distributed shielding layers, and the electromagnetic interference filtering effect is achieved.
2. The inside fixed plate that is provided with of box, fixed plate upper end are provided with the apron, and apron bilateral symmetry is provided with and filters the straight net, and the fixed plate lower extreme is provided with the fixed slot, and a plurality of heat dissipation cross nets of the inside even fixedly connected with of fixed slot, heat dissipation cross net upper and lower both ends symmetry are provided with the export, make the device can carry out fine heat dissipation after using inside part through heat dissipation cross net and heat dissipation straight net.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a perspective view of an EMI filter according to the present utility model;
FIG. 2 is a top cross-sectional view of an EMI filter according to the present utility model;
FIG. 3 is a front cross-sectional view of an EMI filter according to the present utility model;
fig. 4 is a schematic structural diagram of fig. 2 a according to the present utility model.
Legend description:
1. a case; 2. a cover plate; 3. a heat dissipation straight net; 4. a threaded locking rod; 5. reinforcing ribs; 6. a mounting base; 7. a mounting plate; 8. a mounting member; 9. a locking bolt; 10. a mounting groove; 11. an access port; 12. a shielding layer; 13. a fixing bolt; 14. a first fixed block; 15. a fixing plate; 16. a second fixed block; 17. a fixing groove; 18. a heat dissipation cross net; 19. and an outlet.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, an electromagnetic interference filter according to an embodiment of the utility model includes a case 1, a mounting seat 6 is fixedly connected to the lower end of the case 1, two mounting plates 7 are symmetrically and fixedly connected to the lower end of the mounting seat 6, a mounting groove 10 is provided in the case 1, a cover plate 2 is provided at the upper end of the mounting groove 10, two shielding layers 12 are symmetrically provided in the case 1, a fixing plate 15 is provided between the shielding layers 12, a fixing groove 17 is provided at the lower end of the fixing plate 15, a plurality of heat dissipation cross nets 18 are uniformly and fixedly connected to the inside of the fixing groove 17, and the heat dissipation cross nets 18 enable heat to be dissipated.
The two sides of the box body 1 are symmetrically and fixedly connected with reinforcing ribs 5, and the lower ends of the reinforcing ribs 5 are fixedly connected with the upper ends of mounting seats 6.
One end of the mounting plate 7 is fixedly connected to the mounting piece 8, two locking bolts 9 are symmetrically connected to the upper end of the mounting piece 8 in a threaded mode, and the locking bolts 9 are used for locking and fixing the mounting piece 8.
Two heat dissipation straight nets 3 are symmetrically and fixedly connected to two sides of the cover plate 2, four threaded locking rods 4 are uniformly and threadedly connected to the periphery of the cover plate 2, and the threaded locking rods 4 are used for locking the cover plate 2.
The two side walls of the box 1 are provided with inlet openings 11.
The shielding layer 12 is S-shaped distribution, and shielding layer 12 one end fixedly connected with first fixed block 14, shielding layer 12 prevent effectively that electromagnetic interference from revealing, play the effect of filtering electromagnetic interference, and first fixed block 14 one end fixedly connected with is in box 1 inner wall, and first fixed block 14 upper end symmetry threaded connection has two fixing bolt 13, and fixing bolt 13 is used for fixed first fixed block 14.
Two second fixed blocks 16 are symmetrically and fixedly connected to two sides of the fixed plate 15, the second fixed blocks 16 are used for installing the fixed plate 15, and one end of each second fixed block 16 is fixedly connected to one end of the shielding layer 12.
Two outlets 19 are symmetrically arranged at the upper end and the lower end of the heat dissipation cross net 18, the outlets 19 can dissipate heat, and the outlets 19 penetrate through the fixing groove 17.
Working principle: the device is installed, the two sides of the fixing plate 15 are symmetrically provided with two shielding layers 12, the shielding layers 12 are distributed in an S shape, electromagnetic interference leakage can be prevented more effectively through the S-shaped distributed shielding layers 12, the electromagnetic interference filtering effect is achieved, the fixing plate 15 is arranged inside the box body 1, the cover plate 2 is arranged at the upper end of the fixing plate 15, the filtering straight net 3 is symmetrically arranged on the two sides of the cover plate 2, the fixing groove 17 is arranged at the lower end of the fixing plate 15, the plurality of radiating cross nets 18 are uniformly and fixedly connected inside the fixing groove 17, outlets 19 are symmetrically arranged at the upper end and the lower end of the radiating cross nets 18, and the radiating straight net 3 enables the device to perform good heat dissipation after being used on internal components.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. Electromagnetic interference filter, including box (1), its characterized in that: the novel heat radiation cross-over type solar cell module is characterized in that the lower end of the box body (1) is fixedly connected with the mounting seat (6), the lower end of the mounting seat (6) is symmetrically and fixedly connected with the two mounting plates (7), the mounting groove (10) is formed in the box body (1), the cover plate (2) is arranged at the upper end of the mounting groove (10), the two shielding layers (12) are symmetrically arranged in the box body (1), the fixing plate (15) is arranged between the shielding layers (12), the lower end of the fixing plate (15) is provided with the fixing groove (17), and a plurality of heat radiation cross-over nets (18) are uniformly and fixedly connected in the fixing groove (17).
2. An electromagnetic interference filter according to claim 1, wherein the two sides of the box body (1) are symmetrically and fixedly connected with reinforcing ribs (5), and the lower ends of the reinforcing ribs (5) are fixedly connected with the upper ends of the mounting seats (6).
3. An electromagnetic interference filter according to claim 1, characterized in that one end of the mounting plate (7) is fixedly connected to the mounting member (8), and two locking bolts (9) are symmetrically screwed on the upper end of the mounting member (8).
4. An electromagnetic interference filter according to claim 1, wherein two heat dissipation straight nets (3) are symmetrically and fixedly connected to two sides of the cover plate (2), and four thread locking rods (4) are uniformly and threadedly connected to the periphery of the cover plate (2).
5. An electromagnetic interference filter according to claim 1, characterized in that both side walls of the housing (1) are provided with inlet openings (11).
6. An electromagnetic interference filter according to claim 1, wherein the shielding layer (12) is S-shaped, one end of the shielding layer (12) is fixedly connected with a first fixing block (14), one end of the first fixing block (14) is fixedly connected to the inner wall of the box body (1), and two fixing bolts (13) are symmetrically connected to the upper end of the first fixing block (14) in a threaded manner.
7. An electromagnetic interference filter according to claim 1, characterized in that two second fixing blocks (16) are symmetrically and fixedly connected to two sides of the fixing plate (15), and one end of each second fixing block (16) is fixedly connected to one end of the shielding layer (12).
8. An electromagnetic interference filter according to claim 1, characterized in that the upper and lower ends of the heat dissipation crossover net (18) are symmetrically provided with two outlets (19), and the outlets (19) penetrate through the fixing groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320059736.0U CN219437488U (en) | 2023-01-05 | 2023-01-05 | Electromagnetic interference filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320059736.0U CN219437488U (en) | 2023-01-05 | 2023-01-05 | Electromagnetic interference filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219437488U true CN219437488U (en) | 2023-07-28 |
Family
ID=87331018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320059736.0U Active CN219437488U (en) | 2023-01-05 | 2023-01-05 | Electromagnetic interference filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219437488U (en) |
-
2023
- 2023-01-05 CN CN202320059736.0U patent/CN219437488U/en active Active
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