CN216930699U - Filter with anti-interference structure - Google Patents
Filter with anti-interference structure Download PDFInfo
- Publication number
- CN216930699U CN216930699U CN202123150549.3U CN202123150549U CN216930699U CN 216930699 U CN216930699 U CN 216930699U CN 202123150549 U CN202123150549 U CN 202123150549U CN 216930699 U CN216930699 U CN 216930699U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- filter
- plate
- metal shell
- interference
- 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
- 239000002184 metal Substances 0.000 claims abstract description 48
- 230000036039 immunity Effects 0.000 claims 7
- 230000000670 limiting effect Effects 0.000 abstract description 10
- 238000002955 isolation Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 description 7
- 230000002457 bidirectional effect Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a filter with an anti-interference structure, which comprises a bottom shell and an anti-interference metal shell, wherein the left end and the right end of the bottom shell are both connected with a telescopic plate in a sliding mode, one end of the inner side of each telescopic plate is fixedly connected with a clamping plate, the middle part of one end of the outer side of each clamping plate is fixedly connected to one end of a spring, and the other end of each spring is fixedly connected to the inner wall of the bottom shell. According to the utility model, the embedding frame is pressed into the embedding groove by pressing the anti-interference metal shell, the anti-interference metal shell can be quickly fixed, the sealing property is good, the traditional screw fixation is abandoned, the assembly and disassembly are facilitated by a flexible installation mode, the maintenance efficiency is improved, the power line can be well limited by the mutual matching of the upper pressing plate and the limiting groove on the lower pressing plate, the power line is prevented from being wound, and the mutual interference of signals caused by the too close distance between the power lines is avoided by the isolation plate.
Description
Technical Field
The utility model relates to the field of filters, in particular to a filter with an anti-interference structure.
Background
The power filter is a filter circuit composed of a capacitor, an inductor and a resistor, and is a passive bidirectional network, wherein one end of the passive bidirectional network is a power supply, and the other end of the passive bidirectional network is a load. The principle of the Shanghai Sai electronic power filter is an impedance adaptation network, the larger the impedance adaptation of the input side and the output side of the power filter with the power supply and the load side is, the more effective the attenuation of electromagnetic interference is, and the filter can effectively filter the frequency point of specific frequency in the power line or the frequency except the frequency point to obtain a power signal of specific frequency or eliminate the power signal of specific frequency.
Chinese patent document CN214797662U discloses a filter with an anti-interference structure, which includes a main body, an anti-corrosion and moisture-proof mechanism, a bidirectional heat dissipation mechanism, a wire harness limiting mechanism and a filter element, wherein the anti-corrosion and moisture-proof mechanism is disposed below the main body, the bidirectional heat dissipation mechanisms are disposed on two sides of the middle portion of the main body, and the wire harness limiting mechanism is disposed in the middle of one side of the bidirectional heat dissipation mechanism. This wave filter with anti jamming structure, but the sliding structure that constitutes between its two of slider and sliding tray, make the assembly jig can carry out the pull operation of horizontal direction, thereby convenient to use person carries out essential maintenance and change to the electric motor and the heat dissipation fan of assembly jig middle part one side, and one side structure as an organic whole of avris mounting bracket and assembly jig, when the assembly jig slides into the inside of main part, the L form of avris mounting bracket self can just in time the block in one side corner of main part, the user rethread second screw assembly with the assembly jig whole piece fixed can, but it is carrying out dismouting messenger to the wave filter and need use instruments such as screwdriver, long-term dismouting leads to the fact screw flower silk scheduling problem easily, influence maintenance efficiency, there may be mutual interference simultaneously between the power cord when using, influence the normal use of wave filter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a filter with an anti-interference structure.
In order to achieve the purpose, the utility model adopts the following technical scheme: a filter with an anti-interference structure comprises a bottom shell and an anti-interference metal shell, wherein the bottom shell is connected with expansion plates at the left and right ends of the bottom shell in a sliding manner, the inner ends of the expansion plates are fixedly connected with clamping plates, the middle parts of the outer ends of the clamping plates are fixedly connected with one ends of springs, the other ends of the springs are fixedly connected with the inner wall of the bottom shell, the top end of the bottom shell is provided with an embedded groove, the bottom end of the anti-interference metal shell is fixedly connected with an embedded frame at a position corresponding to the embedded groove, the inner walls at the left and right ends of the anti-interference metal shell are respectively provided with a clamping groove at a position corresponding to the clamping plates, the right side of the top end of the anti-interference metal shell is connected with a sliding plate in a sliding manner, the middle part of the bottom end of the sliding plate is rotatably connected with a screw rod, an upper pressing plate is fixedly connected in front of the bottom end of the sliding plate, and an isolation plate is fixedly connected in the middle part of the rear end of the upper pressing plate, the anti-interference metal casing's front end bottom corresponds the below fixedly connected with holding down plate of top board, the top left and right sides of top board bottom and holding down plate all are provided with the restriction groove.
As a further description of the above technical solution:
the equal fixedly connected with installation ear of bottom left and right sides of drain pan.
As a further description of the above technical solution:
and the middle part of the bottom end of the bottom shell is uniformly and fixedly connected with a plurality of radiating fins.
As a further description of the above technical solution:
and one end of the outer side of the telescopic plate is fixedly connected with a pressing sheet.
As a further description of the above technical solution:
the top end of the clamping plate is provided with an inclined plane.
As a further description of the above technical solution:
and a rubber layer is arranged in the embedded groove.
As a further description of the above technical solution:
the bottom end of the screw rod is in threaded connection with the top end of the anti-interference metal shell.
As a further description of the above technical solution:
the top inner wall fixedly connected with wave filter body of anti-interference metal casing, the front end left and right sides of anti-interference metal casing all is provided with input terminal.
The utility model has the following beneficial effects:
1. according to the anti-interference metal shell, after the bottom shell is installed through the installation lugs, the embedding frame is pressed into the embedding groove by pressing the anti-interference metal shell, the clamping plate is extruded by the inner wall of the anti-interference metal shell and the spring is stretched, the clamping plate is driven by the spring to be clamped into the clamping groove after the anti-interference metal shell is pressed in place, the anti-interference metal shell can be quickly fixed, the sealing performance is good, the anti-interference metal shell can be pulled out by pressing the pressing sheet inwards during disassembly, traditional screw fixation is abandoned, disassembly and maintenance efficiency is improved due to the fact that the anti-interference metal shell is convenient to disassemble and assemble in a flexible installation mode.
2. According to the filter body, the sliding plate and the upper pressing plate are driven to slide downwards by rotating the screw rod, the power line can be well limited by the mutual matching of the upper pressing plate and the limiting groove in the lower pressing plate, the power line is prevented from being wound, meanwhile, signal mutual interference caused by too close distance between the power lines is avoided through the isolation plate, and the stability of input signals of the filter body is improved.
Drawings
Fig. 1 is a perspective view of a filter with an anti-interference structure according to the present invention;
fig. 2 is a schematic diagram of a bottom case structure of a filter with an anti-interference structure according to the present invention;
fig. 3 is a schematic structural diagram of an anti-interference metal housing of a filter with an anti-interference structure according to the present invention.
Illustration of the drawings:
1. a bottom case; 2. an anti-interference metal shell; 3. tabletting; 4. a slide plate; 5. a screw; 6. a separator plate; 7. an upper pressure plate; 8. a limiting groove; 9. a lower pressing plate; 10. an input terminal; 11. a heat sink; 12. mounting lugs; 13. a retractable plate; 14. clamping a plate; 15. a spring; 16. a groove is embedded; 17. an embedding frame; 18. a card slot; 19. a filter body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, one embodiment of the present invention is provided: a filter with an anti-interference structure comprises a bottom shell 1 and an anti-interference metal shell 2, wherein the bottom shell 1 is provided with a telescopic plate 13 which is connected with the left end and the right end of the bottom shell 1 in a sliding manner, one end of the inner side of the telescopic plate 13 is fixedly connected with a clamping plate 14, the middle part of one end of the outer side of the clamping plate 14 is fixedly connected with one end of a spring 15, the other end of the spring 15 is fixedly connected with the inner wall of the bottom shell 1, the top end of the bottom shell 1 is provided with an embedded groove 16, the bottom end of the anti-interference metal shell 2 is fixedly connected with an embedded frame 17 corresponding to the embedded groove 16, the inner walls of the left end and the right end of the anti-interference metal shell 2 are provided with clamping grooves 18 corresponding to the clamping plate 14, the embedded frame 17 is pressed into the embedded groove 16 by pressing the anti-interference metal shell 2, the clamping plate 14 and the spring 15 are extruded by the inner wall of the anti-interference metal shell 2, the clamping plate 14 is driven by the spring 15 to be clamped into the clamping grooves 18 after being pressed in place, the anti-interference metal shell 2 can be quickly fixed and has good sealing performance, the anti-interference metal shell 2 can be pulled out by pressing the pressing sheet 3 inwards during disassembly, the right side of the top end of the anti-interference metal shell 2 is connected with the sliding plate 4 in a sliding manner, the middle part of the bottom end of the sliding plate 4 is connected with the screw rod 5 in a rotating manner, the upper pressing plate 7 is fixedly connected in front of the bottom end of the sliding plate 4, the middle part of the rear end of the upper pressing plate 7 is fixedly connected with the isolation plate 6, the bottom part of the front end of the anti-interference metal shell 2 is fixedly connected with the lower pressing plate 9 corresponding to the lower part of the upper pressing plate 7, the left side and the right side of the bottom end of the upper pressing plate 7 and the left side and the right side of the top end of the lower pressing plate 9 are both provided with the limiting grooves 8, the sliding plate 4 and the upper pressing plate 7 are driven to slide downwards by rotating the screw rod 5, the limiting effect on the power line can be well achieved by the mutual matching of the limiting grooves 8 on the lower pressing plate 9, the power line is prevented from being wound, and the mutual interference of signals caused by the over-close distance between the isolation plate 6 is avoided, the stability of the input signal to the filter body 19 is improved.
The left side and the right side of the bottom end of the bottom shell 1 are fixedly connected with mounting lugs 12, the middle part of the bottom end of the bottom shell 1 is uniformly and fixedly connected with a plurality of radiating fins 11, the radiating area of the bottom shell 1 is increased, the radiating performance of the filter is improved, one end of the outer side of the expansion plate 13 is fixedly connected with a pressing sheet 3, the top end of the clamping plate 14 is arranged to be an inclined plane, the clamping plate is convenient to contact with the inner wall of the anti-interference metal shell 2 to enable the clamping plate to slide per se, a rubber layer is arranged inside the embedded groove 16 to improve the sealing performance of connection between the bottom shell 1 and the anti-interference metal shell 2, the bottom end of the screw rod 5 is in threaded connection with the top end of the anti-interference metal shell 2, the inner wall of the top end of the anti-interference metal shell 2 is fixedly connected with a filter body 19, the left side and the right side of the front end of the anti-interference metal shell 2 are both provided with input terminals 10, meanwhile, signal mutual interference caused by too close distance between power lines is avoided through the isolation plate 6, and the stability of input signals of the filter body 19 is improved.
The working principle is as follows: firstly, after the bottom shell 1 is installed through the installation lugs 12, the embedding frame 17 is pressed into the embedding groove 16 by pressing the anti-interference metal shell 2, at the moment, the inner wall of the anti-interference metal shell 2 extrudes the clamping plate 14 and the extension spring 15, the clamping plate 14 is driven by the spring 15 to be clamped into the clamping groove 18 after the anti-interference metal shell is pressed in place, the anti-interference metal shell 2 can be quickly fixed, the sealing performance is good, the anti-interference metal shell 2 can be pulled out by pressing the pressing sheet 3 inwards during disassembly, the traditional screw fixation is abandoned, the disassembly and the assembly are convenient through a flexible installation mode, the maintenance efficiency is improved, the sliding plate 4 and the upper pressing plate 7 are driven to slide downwards by rotating the screw rod 5, the upper pressing plate 7 and the limiting groove 8 on the lower pressing plate 9 are mutually matched, the power line can be well limited, the winding of the power line is prevented, and the mutual interference of signals caused by the too close distance between the power lines is avoided through the isolation plate 6, the stability of the input signal to the filter body 19 is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. A filter with anti-interference structure comprises a bottom shell (1) and an anti-interference metal shell (2), and is characterized in that: the anti-interference metal shell structure is characterized in that the left end and the right end of the bottom shell (1) are both connected with a telescopic plate (13) in a sliding manner, one end of the inner side of the telescopic plate (13) is both fixedly connected with a clamping plate (14), the middle part of one end of the outer side of the clamping plate (14) is both fixedly connected with one end of a spring (15), the other end of the spring (15) is both fixedly connected with the inner wall of the bottom shell (1), an embedded groove (16) is arranged at the top end of the bottom shell (1), an embedded frame (17) is fixedly connected at the position, corresponding to the embedded groove (16), of the bottom end of the anti-interference metal shell (2), clamping grooves (18) are arranged at the positions, corresponding to the clamping plate (14), of the inner walls of the left end and the right end of the anti-interference metal shell (2), a sliding plate (4) is connected at the right side of the top end of the anti-interference metal shell (2), a screw rod (5) is rotatably connected at the middle part of the bottom of the sliding plate (4), the bottom the place ahead fixedly connected with top board (7) of slide (4), the rear end middle part fixedly connected with division board (6) of top board (7), the below fixedly connected with holding down plate (9) of top board (7) is corresponded to the front end bottom of anti-interference metal casing (2), the top left and right sides of top board (7) bottom left and right sides and holding down plate (9) all are provided with restriction groove (8).
2. A filter having an immunity structure as defined in claim 1, wherein: the left side and the right side of the bottom end of the bottom shell (1) are fixedly connected with mounting lugs (12).
3. A filter having an immunity structure as defined in claim 1, wherein: the middle part of the bottom end of the bottom shell (1) is uniformly and fixedly connected with a plurality of radiating fins (11).
4. A filter having an immunity structure as defined in claim 1, wherein: and one end of the outer side of the telescopic plate (13) is fixedly connected with a pressing sheet (3).
5. A filter having an immunity structure as defined in claim 1, wherein: the top end of the clamping plate (14) is provided with an inclined surface.
6. A filter having an immunity structure as defined in claim 1, wherein: the inside of the embedded groove (16) is provided with a rubber layer.
7. A filter having an immunity structure as defined in claim 1, wherein: the bottom end of the screw rod (5) is in threaded connection with the top end of the anti-interference metal shell (2).
8. A filter having an immunity structure as defined in claim 1, wherein: the filter is characterized in that the top end inner wall of the anti-interference metal shell (2) is fixedly connected with a filter body (19), and the left side and the right side of the front end of the anti-interference metal shell (2) are provided with input terminals (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123150549.3U CN216930699U (en) | 2021-12-15 | 2021-12-15 | Filter with anti-interference structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123150549.3U CN216930699U (en) | 2021-12-15 | 2021-12-15 | Filter with anti-interference structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216930699U true CN216930699U (en) | 2022-07-08 |
Family
ID=82253562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123150549.3U Active CN216930699U (en) | 2021-12-15 | 2021-12-15 | Filter with anti-interference structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216930699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115397229A (en) * | 2022-08-23 | 2022-11-25 | 西安甘鑫电子科技有限公司 | Electromagnetic compatibility processing device of high-power supply |
-
2021
- 2021-12-15 CN CN202123150549.3U patent/CN216930699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115397229A (en) * | 2022-08-23 | 2022-11-25 | 西安甘鑫电子科技有限公司 | Electromagnetic compatibility processing device of high-power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216930699U (en) | Filter with anti-interference structure | |
| CN211828479U (en) | Air conditioner capacitor | |
| CN212413349U (en) | Conversion device for converting 5G mobile network signal into multi-path Bluetooth signal | |
| CN216253545U (en) | Communication filter with anti-interference structure | |
| CN214255201U (en) | Cubical switchboard for photovoltaic little electric wire netting | |
| CN213846550U (en) | Power adapter of high interference immunity stable form direct current electrical interface | |
| CN212390579U (en) | Controller supporting remote and local | |
| CN210958117U (en) | Fixing device of frequency converter | |
| CN208142648U (en) | A kind of intelligent power control cabinet | |
| CN219612400U (en) | Constant current power supply protection heat dissipation shell | |
| CN219228042U (en) | Microcomputer comprehensive protector with expansion advantage | |
| CN220491703U (en) | Single-port network transformer | |
| CN219068171U (en) | Power filter with wire clamping function | |
| CN221305946U (en) | Dustproof switch dispels heat | |
| CN216311543U (en) | Small power transformer convenient to heat dissipation | |
| CN219778710U (en) | Novel explosion-proof film capacitor | |
| CN216313632U (en) | Control box that protectiveness is good | |
| CN218177559U (en) | Window type exhaust fan radiating fan | |
| CN216598630U (en) | Horizontal intelligent TSC module | |
| CN221727785U (en) | Photovoltaic power generation control cabinet | |
| CN215819103U (en) | Power management ic device | |
| CN220857147U (en) | Electric power rail with hand-sweeping induction switch | |
| CN211580405U (en) | Filter metal casing structure convenient to install in new energy automobile charging pile | |
| CN219960543U (en) | Filter based on very high frequency adjustment | |
| CN220964982U (en) | Digital conference host |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231101 Address after: No. 241-1, Liuyi South Road, Cangshan District, Fuzhou City, Fujian Province, 350007 Patentee after: CHINA YOUKE COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 210014 No.1, Guanghua Road, Qinhuai District, Nanjing City, Jiangsu Province Patentee before: Nanjing Guangshun Network Communication Equipment Co.,Ltd. |