CN205160368U - Special power filter - Google Patents
Special power filter Download PDFInfo
- Publication number
- CN205160368U CN205160368U CN201521021480.6U CN201521021480U CN205160368U CN 205160368 U CN205160368 U CN 205160368U CN 201521021480 U CN201521021480 U CN 201521021480U CN 205160368 U CN205160368 U CN 205160368U
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- China
- Prior art keywords
- shell
- connector
- cup
- external equipment
- equipment end
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a special power filter, including the shell, the back of shell is equipped with the through -hole that the connector that supplies the external equipment end passed, and the front mounted of shell has the upper cover plate, and the side cap board is installed on the right side of shell, and the inside of shell is equipped with the wave filter that is used for filtering to handle, the wave filter includes filter module, welds the cup and welds the cup with the output that the output is connected with the input that this filter module input is connected, the input weld the cup can with the connector pin connection of external equipment end, handle the back through filter module filtering and weld the cup from output and export. The utility model discloses be equipped with the through -hole that the connector that supplies the external equipment end passed in the back of shell, consequently can be directly pass housing case with the connector of external equipment end to welding the cup with connector lead wire and input and being connected, let the connector lead wire do filtering and handle in that the casing is inside, shield effectually, rethread output is welded and glass is exported, can effectively filter out the interfering signal on customer's power cord, and the filtering effect is good, sparingly the device space and simple to operate.
Description
Technical field
The utility model belongs to technical field of electromagnetic compatibility, is 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 inventor of the present utility model 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.
Utility model content
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, and be also unfavorable for the technical problem of saving the device space, the utility model provides a kind of new exclusive power-supply filter.
To achieve these goals, the utility model 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 the power source special filter that the utility model provides, 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 that the utility model provides.
Fig. 2 is the right TV structure schematic diagram of power source special filter that the utility model provides.
Fig. 3 is the power source special filter backsight structural representation that the utility model provides.
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 utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
In description of the present utility model, 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 utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, 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 the concrete meaning of above-mentioned term in the utility model can be understood.
Please refer to shown in Fig. 1 to Fig. 3, the utility model 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 the power source special filter that the utility model provides, 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 execution mode of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing the utility model specification and accompanying drawing content to do; directly or indirectly be used in the technical field that other are relevant, all in like manner within scope of patent protection of the present utility model.
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 |
|---|---|---|---|
| CN201521021480.6U CN205160368U (en) | 2015-12-09 | 2015-12-09 | Special power filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521021480.6U CN205160368U (en) | 2015-12-09 | 2015-12-09 | Special power filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205160368U true CN205160368U (en) | 2016-04-13 |
Family
ID=55696012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521021480.6U Expired - Fee Related CN205160368U (en) | 2015-12-09 | 2015-12-09 | Special power filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205160368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322779A (en) * | 2015-12-09 | 2016-02-10 | 重庆大及电子科技有限公司 | Special power filter |
-
2015
- 2015-12-09 CN CN201521021480.6U patent/CN205160368U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322779A (en) * | 2015-12-09 | 2016-02-10 | 重庆大及电子科技有限公司 | Special power filter |
| CN105322779B (en) * | 2015-12-09 | 2018-09-04 | 重庆大及电子科技有限公司 | A kind of power source special filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20211209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |