CN105322779A - Special power filter - Google Patents
Special power filter Download PDFInfo
- Publication number
- CN105322779A CN105322779A CN201510909637.7A CN201510909637A CN105322779A CN 105322779 A CN105322779 A CN 105322779A CN 201510909637 A CN201510909637 A CN 201510909637A CN 105322779 A CN105322779 A CN 105322779A
- Authority
- CN
- China
- Prior art keywords
- shell
- filter
- connector
- equipment end
- output
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
Abstract
The invention discloses a special power filter. The special power filter comprises a shell, wherein a through hole through which a connector at a peripheral equipment end can pass is formed in the rear of the shell, an upper cover plate is arranged in front of the shell, a side cover plate is arranged at the right side of the shell, and a filter used for filtering processing is arranged inside the shell; the filter comprises a filter module, an input welding cup connected with the input terminal of the filter module and an output welding cup connected with the output terminal of the filter module; and the input welding cup can be connected with a connector lead wire at the peripheral equipment end, and power is subjected to the filtering processing by virtue of the filter module and then is output from the output welding cup. The special power filter has the advantages that the through hole through which the connector at the periphery equipment end can pass is formed in the rear of the shell, so that the connector at the periphery equipment end can directly pass through the body of the shell; and as the connector lead wire is connected with the input welding cup, and the connector lead wire is subjected to the filtering processing in the shell, shielding effect is good; then power is output by virtue of the output welding cup, so that an interference signal on a customer power line can be effectively filtered out, filtering effect is excellent, equipment space is saved, and the special power filter is easy to mount.
Description
Technical field
The invention belongs to technical field of electromagnetic compatibility, be specifically related to a kind of power source special filter.
Background technology
Filter is as the equipment by the noise signal filtering in circuit, be widely used in various electronic equipment, especially in the fields such as communication equipment, Aero-Space, on-board equipment, these fields are due to electromagnetic environment bandwidth, field intensity is large, thus higher to the requirement of filter circuit, the performance of filter circuit will directly have influence on the safe and reliable operation of relevant device.Power line filter is as the one of filter, and its effect is that the electromagnetic interference preventing equipment itself from producing enters power line, prevents the interference access arrangement on power line simultaneously.Thus, power line filter is two-way, and it can prevent the interference access arrangement on electrical network, produces harmful effect, make equipment meet the requirement of conducted susceptibility to equipment; Can prevent again the electromagnetic interference in equipment from passing on electrical network by power line, make equipment meet the requirement of conducted emission.
Therefore, in use, need to be connected to realize its filter function with miscellaneous equipment, and adopt connector to connect, its electromagnetic wave shielding is good, and Insertion Loss is low, easy to operate for power line filter.Existing in the power line filter structure of Belt connector, its power line filtering processing mode generally adopts wire connection filter and connector to carry out filtering process; But the present inventor finds through research, it is inconvenient that this scheme can cause customer equipment to install, and shield effectiveness is bad, is also unfavorable for saving the device space.
Summary of the invention
The employing wire connection filter existed for prior art and connector carry out power line filtering process, customer equipment can be caused to install inconvenient, shield effectiveness is bad, is also unfavorable for the technical problem of saving the device space, the invention provides a kind of new exclusive power-supply filter.
To achieve these goals, the present invention adopts following technical scheme:
A kind of power source special filter, comprise shell, be provided with the through hole supplying the connector of external equipment end to pass after described shell, before described shell, upper cover plate be installed, the right side of described shell is provided with side cover plate, and the inside of described shell is provided with the filter for filtering process; Described filter comprises filtration module, and cup is welded in the input be connected with this filtration module input, and cup is welded in the output be connected with this filtration module output; Described input weldering cup can go between with the connector of external equipment end and be connected, and exports after described filtration module filtering process from described output weldering cup.
In power source special filter provided by the invention, the through hole supplying the connector of external equipment end to pass is provided with after described shell, therefore can directly by external equipment end if the connector of customer equipment end is through case body, and connector lead-in wire is welded cup and is connected with inputting, allow connector go between and do filtering process in enclosure interior, thus shield effectiveness is good, and then export by exporting weldering cup, effectively can leach the interference signal on client's power line, filter effect is excellent, save the device space, equipment is easy for installation.
Further, described filtration module comprises ground plate, and the feedthrough capacitor be fixedly arranged on respectively on this ground plate and filter, and described feedthrough capacitor center is equipped with silver-plated lead.
Further, the through hole passed for the connector of external equipment end after described shell is circular hole.
Further, the screwed hole for being fixedly connected with external equipment end is also provided with after described shell.
Further, the upper cover plate before described shell is connected by screw fastening with between shell.
Further, packing ring is provided with between described screw and upper cover plate.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of power source special filter provided by the invention.
Fig. 2 is the right TV structure schematic diagram of power source special filter provided by the invention.
Fig. 3 is power source special filter backsight structural representation provided by the invention.
Fig. 4 is the side-looking structural representation of filtration module in Fig. 1.
In figure, 1, shell; 11, through hole; 12, screwed hole; 2, upper cover plate; 3, side cover plate; 4, filtration module; 41, ground plate; 42, feedthrough capacitor; 43, filter; 44, silver-plated lead; 5, input weldering cup; 6, weldering cup is exported; 7, screw; 8, packing ring.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
In describing the invention, it will be appreciated that, term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Please refer to shown in Fig. 1 to Fig. 3, the present invention discloses a kind of power source special filter, comprise shell 1, the through hole 11 supplying the connector of external equipment end to pass is provided with after described shell, before described shell 1, upper cover plate 2 is installed, the right side of described shell 1 is provided with side cover plate 3, and the inside of described shell 1 is provided with the filter for filtering process; Described filter comprises filtration module 4, and cup 5 is welded in the input be connected with this filtration module 4 input, and cup 6 is welded in the output be connected with this filtration module 4 output; Described input weldering cup 5 can go between with the connector of external equipment end and be connected, and exports after described filtration module 4 filtering process from described output weldering cup 6.
In power source special filter provided by the invention, the through hole supplying the connector of external equipment end to pass is provided with after described shell, therefore can directly by external equipment end if the connector of customer equipment end is through case body, and connector lead-in wire is welded cup and is connected with inputting, allow connector go between and do filtering process in enclosure interior, thus shield effectiveness is good, and then export by exporting weldering cup, effectively can leach the interference signal on client's power line, filter effect is excellent, save the device space, equipment is easy for installation.
As specific embodiment, please refer to shown in Fig. 4, described filtration module 4 comprises ground plate 41, and the feedthrough capacitor 42 be fixedly arranged on respectively on this ground plate 41 and filter 43.As a kind of execution mode, described ground plate 41 is provided with two feedthrough capacitors 42, between described two feedthrough capacitors 42, be provided with a filter 43, each described feedthrough capacitor 42 center is equipped with silver-plated lead 44, can be welded cup 5 and is connected with described input by this silver-plated lead 44.By the described filtration module 4 that the present embodiment provides, feedthrough capacitor particularly in described filtration module 4, can realize doing filtering process to the connector lead-in wire of outside equipment end in enclosure interior, thus effectively leach the interference signal on client's power line, filter effect is good.
As specific embodiment, the through hole passed for the connector of external equipment end after described shell is circular hole, can coordinate well thus, prevent wire harness surface to be scraped off damage with wire harness surface; In addition, the through hole passed for the connector of external equipment end after described shell is set to circular hole, the area while guarantee is easy to process shared by it is less.
As specific embodiment, be also provided with the screwed hole 12 for being fixedly connected with external equipment end after described shell, namely by this screwed hole 12, effectively can realize being fixedly connected with of described shell 1 and external equipment end, thus equipment installation is very convenient.
As specific embodiment, please refer to shown in Fig. 2, be fastenedly connected by screw 7 between upper cover plate 2 before described shell and shell 1, thus the dismounting between described upper cover plate 2 and shell 1 can be realized easily by this screw 7, so when described input weldering cup 5 need and the connector of external equipment end go between be connected time, assembly operation can be carried out easily, improve packaging efficiency.
As preferred embodiment, between described screw 7 and upper cover plate 2, be provided with packing ring 8, can be arranged on fastening for described upper cover plate 2 before housing 1 better by this packing ring 8, improve the shield effectiveness of described housing 1 inside.
These are only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing specification of the present invention and accompanying drawing content to do, is directly or indirectly used in the technical field that other are relevant, all in like manner within scope of patent protection of the present invention.
Claims (6)
1. a power source special filter, it is characterized in that, comprise shell, the through hole supplying the connector of external equipment end to pass is provided with after described shell, before described shell, upper cover plate is installed, the right side of described shell is provided with side cover plate, and the inside of described shell is provided with the filter for filtering process; Described filter comprises filtration module, and cup is welded in the input be connected with this filtration module input, and cup is welded in the output be connected with this filtration module output; Described input weldering cup can go between with the connector of external equipment end and be connected, and exports after described filtration module filtering process from described output weldering cup.
2. power source special filter according to claim 1, is characterized in that, described filtration module comprises ground plate, and the feedthrough capacitor be fixedly arranged on respectively on this ground plate and filter, and described feedthrough capacitor center is equipped with silver-plated lead.
3. power source special filter according to claim 1, is characterized in that, the through hole passed for the connector of external equipment end after described shell is circular hole.
4. power source special filter according to claim 1, is characterized in that, is also provided with the screwed hole for being fixedly connected with external equipment end after described shell.
5. power source special filter according to claim 1, is characterized in that, the upper cover plate before described shell is connected by screw fastening with between shell.
6. power source special filter according to claim 5, is characterized in that, is provided with packing ring between described screw and upper cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909637.7A CN105322779B (en) | 2015-12-09 | 2015-12-09 | A kind of power source special filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909637.7A CN105322779B (en) | 2015-12-09 | 2015-12-09 | A kind of power source special filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105322779A true CN105322779A (en) | 2016-02-10 |
| CN105322779B CN105322779B (en) | 2018-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510909637.7A Active CN105322779B (en) | 2015-12-09 | 2015-12-09 | A kind of power source special filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105322779B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253648A (en) * | 2016-08-22 | 2016-12-21 | 重庆大及电子科技有限公司 | A kind of filter assembly |
| CN112510991A (en) * | 2020-12-15 | 2021-03-16 | 中国电子科技集团公司第四十四研究所 | EMC protection device and power supply front end filter circuit of small-size photoelectric conversion subassembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030211782A1 (en) * | 2002-05-07 | 2003-11-13 | Mr. Joseph Lorenzo De Guzman | Filtered RJ11 connector module with LED indicators and method of manufacturing |
| CN202353456U (en) * | 2011-12-06 | 2012-07-25 | 上海埃德电子股份有限公司 | Electromagnetic interference filter with good shielding and overcurrent protection function |
| CN204088531U (en) * | 2014-09-17 | 2015-01-07 | 常熟市荣兴化纺有限责任公司 | Close-coupled bimodulus dual-resonator microwave filter |
| CN204407459U (en) * | 2014-11-24 | 2015-06-17 | 中国航空工业集团公司雷华电子技术研究所 | A kind of miniaturization times frequency module based on filter and structural member matching design |
| CN205160368U (en) * | 2015-12-09 | 2016-04-13 | 重庆大及电子科技有限公司 | Special power filter |
-
2015
- 2015-12-09 CN CN201510909637.7A patent/CN105322779B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030211782A1 (en) * | 2002-05-07 | 2003-11-13 | Mr. Joseph Lorenzo De Guzman | Filtered RJ11 connector module with LED indicators and method of manufacturing |
| CN202353456U (en) * | 2011-12-06 | 2012-07-25 | 上海埃德电子股份有限公司 | Electromagnetic interference filter with good shielding and overcurrent protection function |
| CN204088531U (en) * | 2014-09-17 | 2015-01-07 | 常熟市荣兴化纺有限责任公司 | Close-coupled bimodulus dual-resonator microwave filter |
| CN204407459U (en) * | 2014-11-24 | 2015-06-17 | 中国航空工业集团公司雷华电子技术研究所 | A kind of miniaturization times frequency module based on filter and structural member matching design |
| CN205160368U (en) * | 2015-12-09 | 2016-04-13 | 重庆大及电子科技有限公司 | Special power filter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253648A (en) * | 2016-08-22 | 2016-12-21 | 重庆大及电子科技有限公司 | A kind of filter assembly |
| CN106253648B (en) * | 2016-08-22 | 2018-09-04 | 重庆大及电子科技有限公司 | A kind of filter assembly |
| CN112510991A (en) * | 2020-12-15 | 2021-03-16 | 中国电子科技集团公司第四十四研究所 | EMC protection device and power supply front end filter circuit of small-size photoelectric conversion subassembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105322779B (en) | 2018-09-04 |
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