CN207765961U - A kind of electromagnetic interface filter - Google Patents
A kind of electromagnetic interface filter Download PDFInfo
- Publication number
- CN207765961U CN207765961U CN201820043311.XU CN201820043311U CN207765961U CN 207765961 U CN207765961 U CN 207765961U CN 201820043311 U CN201820043311 U CN 201820043311U CN 207765961 U CN207765961 U CN 207765961U
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- CN
- China
- Prior art keywords
- pedestal
- cover
- circuit board
- electromagnetic interface
- connecting terminal
- 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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- 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
Abstract
The utility model is related to a kind of electromagnetic interface filters, belong to wave filter technology field.The utility model includes cover, pedestal and circuit board, the cover includes mask area and platform area, the platform area integrated injection molding has connecting terminal, the circuit board be equipped with the connecting terminal match to slot, the pedestal is the cavity for the inner recess being molded, the pedestal is fastened togather with cover by notch, the utility model passes through pedestal, the design of face cover structure, filter is assembled in internal circuit board, since automatic welding may be implemented in wave-soldering, substantially increase production efficiency, connecting terminal is integrally formed with cover, avoid water proof and dust proof problem at connecting terminal, pedestal and installation bolt are also that injection molding is integral, realize integral installation；It is changed to present flat square box structure by traditional cylindrical structure, prepares for ultrathin design.
Description
Technical field
The utility model is related to a kind of electromagnetic interface filters, belong to wave filter technology field.
Background technology
With the raising that country or area require household electrical appliances EMI, generally requires and filtering is added in the end of incoming cables of power supply
Device is interfered with not formed externally when ensureing the work of this equipment, influences adjacent equipment normal work.In the prior art, for washing
Clothing machine, refrigerator power-supply filter be cylinder filter, cylinder filter exist production and processing is complicated, the degree of automation is low,
The problems such as reliability is low.
Utility model content
The purpose of the utility model is to overcome drawbacks described above existing for existing electromagnetic interface filter, it is proposed that one kind is for washing
The electromagnetic interface filter of clothing machine, refrigerator base, face cover structure.
The utility model is realized using technical solution below：
A kind of electromagnetic interface filter, including cover, pedestal and circuit board, the cover include mask area and platform area, described flat
It is the cavity for the inner recess being molded, the pedestal and cover that taiwan area integrated injection molding, which has connecting terminal, the pedestal,
It is fastened togather by notch.
Further, the circuit board be equipped with the connecting terminal match to slot.
Further, the connecting terminal includes input terminal and output end, and the input terminal includes zero line, zero line side
And ground terminal, the output end include zero line and zero line side.
Further, the circuit board is made of common mode inductance, differential mode capacitor and common mode capacitance.
Further, the structure of the cover is adapted with the component size on the circuit board.
Further, the notch includes the card slot being set on pedestal and the buckle on cover.
Further, the back side of the pedestal also integrated injection molding has bolt.
The utility model has the beneficial effects that：
The utility model is assembled filter in internal circuit board by the design of pedestal, face cover structure, by
Automatic welding may be implemented in wave-soldering, substantially increase production efficiency, connecting terminal is integrally formed with cover, avoids wiring
Water proof and dust proof problem at terminal, pedestal and installation bolt are also that injection molding is integral, realize integral installation；By traditional cylinder knot
Structure is changed to present flat square box structure, prepares for ultrathin design.
Description of the drawings
Fig. 1 is the fractionation schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is the circuit connection diagram of the utility model.
In figure：1 mask area；2 platform areas；3 connecting terminals；4 circuit boards；5 pedestals；6 resistance；7 differential mode capacitors；8 common modes electricity
Hold；9 common mode inductances；10 pairs of slots；11 buckles；12 card slots.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, electromagnetic interface filter described in the utility model, including cover, pedestal 5 and circuit board 4, it is described
Cover includes mask area 1 and platform area 2, and 2 integrated injection molding of the platform area has connecting terminal 3, the circuit board 4 to be equipped with
With the connecting terminal 3 match to slot 10, the connecting terminal 3 divides for input terminal and output end, the input terminal
Including zero line, zero line side and ground terminal, the output end includes zero line and zero line side, and the circuit board 4 is by a common mode
The common mode capacitance 8 of differential mode capacitor 7, two of inductance 9, two and two resistance 6 form, specific connection type as shown in Figure 3, by these
Component is installed on circuit board 4, component is welded on circuit board 4 using wave-soldering, and cover is passed through connecting terminal 3
The connection of cover and circuit board 4 is realized to being welded on circuit board 4 after inserting to slot 10 with circuit board 4.
The pedestal 5 is the cavity for the inner recess being molded, and the pedestal 5 is fastened on cover by notch
Together, the notch includes the card slot 12 being set on pedestal 5 and the buckle 11 on cover, without by screw or
Glue etc. is attached, and the back side also integrated injection molding of the pedestal 5 has bolt, improves production efficiency, and reduce assembly cost.
Certainly, the above is only the preferred embodiment of the utility model, be should not be construed as limiting new to this practicality
The scope of embodiments of type.The utility model is also not limited to the example above, and those skilled in the art are in this reality
With all the changes and improvements etc. made in novel essential scope, the patent covering scope of the utility model should all be belonged to
It is interior.
Claims (7)
1. a kind of electromagnetic interface filter, it is characterised in that：Including cover, pedestal (5) and circuit board (4), the cover includes mask area
(1) and platform area (2), platform area (2) integrated injection molding have connecting terminal (3), the pedestal (5) to be molded
The cavity of inner recess, the pedestal (5) are fastened togather with cover by notch.
2. a kind of electromagnetic interface filter according to claim 1, it is characterised in that：The circuit board (4) is equipped with and is connect with described
Line terminals (3) match to slot (10).
3. a kind of electromagnetic interface filter according to claim 1, it is characterised in that：The connecting terminal (3) includes input terminal
And output end, the input terminal include zero line, zero line side and ground terminal, the output end includes zero line and zero line side.
4. a kind of electromagnetic interface filter according to claim 1, it is characterised in that：The circuit board (4) by common mode inductance (9),
Differential mode capacitor (7) and common mode capacitance (8) composition.
5. a kind of electromagnetic interface filter according to claim 4, it is characterised in that：The structure of the cover and the circuit
Component size on plate (4) is adapted.
6. a kind of electromagnetic interface filter according to claim 1, it is characterised in that：The notch includes being set to pedestal
(5) card slot (12) on and the buckle (11) on cover.
7. a kind of electromagnetic interface filter according to claim 1, it is characterised in that：The back side also integrated injection molding of the pedestal (5)
There is bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043311.XU CN207765961U (en) | 2018-01-11 | 2018-01-11 | A kind of electromagnetic interface filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043311.XU CN207765961U (en) | 2018-01-11 | 2018-01-11 | A kind of electromagnetic interface filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207765961U true CN207765961U (en) | 2018-08-24 |
Family
ID=63184040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820043311.XU Active CN207765961U (en) | 2018-01-11 | 2018-01-11 | A kind of electromagnetic interface filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207765961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868168A (en) * | 2019-11-13 | 2020-03-06 | 深圳市凯合达智能设备有限公司 | Filter convenient to dismantle |
-
2018
- 2018-01-11 CN CN201820043311.XU patent/CN207765961U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868168A (en) * | 2019-11-13 | 2020-03-06 | 深圳市凯合达智能设备有限公司 | Filter convenient to dismantle |
| CN110868168B (en) * | 2019-11-13 | 2021-11-30 | 成都信和创业科技有限责任公司 | Filter convenient to dismantle |
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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: 20190517 Address after: 266000 No. 97 Yanyang Road, Chengyang District, Qingdao City, Shandong Province Patentee after: Qingdao Yun Lu Electric Power Co., Ltd. Address before: 266109 West Railway Station, Lancun Town, Jimo City, Qingdao City, Shandong Province (Chengxi Industrial Park) Patentee before: Qingdao Yunlu Energy Technology Co., Ltd. |