CN105406285A - Electronic connector with excellent electromagnetic shielding performance - Google Patents
Electronic connector with excellent electromagnetic shielding performance Download PDFInfo
- Publication number
- CN105406285A CN105406285A CN201510983077.XA CN201510983077A CN105406285A CN 105406285 A CN105406285 A CN 105406285A CN 201510983077 A CN201510983077 A CN 201510983077A CN 105406285 A CN105406285 A CN 105406285A
- Authority
- CN
- China
- Prior art keywords
- electric power
- power connector
- electromagnetic shielding
- capability
- ground plate
- 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
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses an electronic connector with excellent electromagnetic shielding performance, consisting of a shell, a ground plate, a filter component, a contact pin, a connecting terminal and a plug, wherein the shell is connected with the ground plate which is also connected with the filter component, the contact pin is sleeved with the filter component, and one end of the contact pin is connected with the connecting terminal while the other end is connected with the plug. The invention discloses the electronic connector with excellent electromagnetic shielding performance which adopts the metal shell for shielding, the broadband EMI filter component for filtering, and is good in ground protection, thus greatly improving the electromagnetic shielding performance and meeting the requirement of using in complex electromagnetic environments.
Description
Technical field
The present invention relates to a kind of electric power connector, be specifically related to the electric power connector that a kind of capability of electromagnetic shielding is excellent, belong to art of electrical connectors field.
Background technology
Along with the development and progress of science and technology, various electronic equipments precision, the complicated and multifunction day by day that people are used, but electronic equipment is subject to the impact of electromagnetic interference all the time under complex electromagnetic environment.With regard to a system, various electromagnetic interference is comparatively serious at interface, and it by the conduction of the electromagnetic interference of its exterior and can be radiated internal system, by the conduction of the electromagnetic interference of internal system and can be radiated its exterior again.Therefore, the electric power connector of interface not only plays device and device, assembly and assembly, carry out between system and system being electrically connected and the important function of signal transmission, and plays an important role in electromagnetism interference.
Electromagnetic interference is generally divided into radial pattern to disturb and conduction type interference.At present, a lot of electric power connector all adopts metal shell to close, closed metal casing shielding both can prevent internal electrical magnetic energy to external radiation, outside electromagnetic interference can be avoided again, but metal shell shielding only can suppress radiated interference, can not eliminate conducted EMI, and a lot of electric power connector is due to Shortcomings in the design, ground connection of metal shell, causes electric power connector to suppress radiated interference effect not remarkable.In addition, although some electric power connectors have employed filtering method to suppress conducted EMI, because selected filtering unit is selected at component parameters, structural design, Shortcomings in encapsulation etc., electric power connector is caused to suppress conducted interference effect not remarkable.
Summary of the invention
For the demand; the invention provides the electric power connector that a kind of capability of electromagnetic shielding is excellent; this electric power connector is by adopting metal shell shielding, the filtering of broadband EMI filtering unit and good ground protection; greatly improve capability of electromagnetic shielding, meet the instructions for use under complex electromagnetic environment.
The present invention is the excellent electric power connector of a kind of capability of electromagnetic shielding, described electric power connector is made up of shell, ground plate, filtering unit, contact pin, binding post and plug, described shell is connected with ground plate, described ground plate is connected with filtering unit, described filtering unit is sleeved on contact pin surface, described contact pin one end connects binding post, other end attachment plug.
In a preferred embodiment of the present invention, described shell adopts fine aluminum alloy material, and has carried out duplex nickel plating process.
In a preferred embodiment of the present invention, described ground plate external cylindrical surface adopts elasticity shading ring, to flexibly connect with shell, the end face that this ground plate is connected with shell is filled with the excellent epoxy conducting of electric conductivity.
In a preferred embodiment of the present invention, described filtering unit is made up of two panels tubulose feedthrough capacitor and a tank shape FERRITE CORE inductance, and electric capacity wherein and inductance are alternately sleeved on contact pin on the surface, composition chebyshev low-pass filter.
In a preferred embodiment of the present invention, the capacitance of described tubulose feedthrough capacitor is respectively 4nF and 9nF, and the inductance value of tank shape FERRITE CORE inductance is 20uH.
In a preferred embodiment of the present invention, described tubulose feedthrough capacitor is connected with ground plate with one end of tank shape FERRITE CORE inductance, and the other end is connected with contact pin.
In a preferred embodiment of the present invention, described filtering unit adopts and is first coated with one deck thin silicon glue at assembly surface, then encapsulates by the mode of epoxy resin encapsulated.
Present invention is disclosed the electric power connector that a kind of capability of electromagnetic shielding is excellent; this electric power connector is by adopting metal shell shielding, the filtering of broadband EMI filtering unit and good ground protection; greatly improve capability of electromagnetic shielding, meet the instructions for use under complex electromagnetic environment.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of the excellent electric power connector of embodiment of the present invention capability of electromagnetic shielding;
In accompanying drawing, the mark of each parts is as follows: 1, shell, and 2, ground plate, 3, filtering unit, 4, binding post, 5, plug, 6, insulating sealer.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Fig. 1 is the structural representation of the excellent electric power connector of embodiment of the present invention capability of electromagnetic shielding; This electric power connector is made up of shell 1, ground plate 2, filtering unit 3, contact pin, binding post 4 and plug 5, described shell 1 is connected with ground plate 2, described ground plate 2 is connected with filtering unit 3, described filtering unit 3 is sleeved on contact pin surface, described contact pin one end connects binding post 4, other end attachment plug 5.
The excellent electric power connector of the capability of electromagnetic shielding that the present invention mentions adopts fine aluminum alloy shell body to close and shell body ground connection, is effectively prevented internal electrical magnetic energy to external radiation by the fine aluminum alloy closed metal housing with better capability of electromagnetic shielding and is avoided outside electromagnetic interference; Meanwhile, duplex nickel plating process has been carried out on shell 1 surface, and this nickel coating can improve resistance to wear and the corrosion resistance of shell, can strengthen again the screening effectiveness of closed metal housing.Flexible ground is adopted between ground plate 2 in this electric power connector and shell 1, namely on ground plate 2 external cylindrical surface, elasticity shading ring is adopted, 360 °, ground plate 2 and shell is reliably connected, thus reach the object of effective filtering interference signals, and avoid the impact of mechanical stress on filtering unit 3 to greatest extent; Meanwhile, the end face that the ground plate 2 in this electric power connector is connected with shell 1 is filled with the excellent epoxy conducting of electric conductivity, thus ensures that electric power connector has excellent shielding properties and Earthing Reliability.Insulating sealer 6 in this electric power connector adopts methyl phenyl vinyl silicone rubber material, this material not only has the electrical insulation properties that compression is little, serviceability temperature is wide, anti-oxidant, shockproof, moistureproof and good, also has remarkable low temperature resistant, resistance to ablation and radiation-resistant property.
The excellent electric power connector of capability of electromagnetic shielding that the present invention proposes for core component, reaches the object eliminating conducted interference with filtering unit 3.This filtering unit 3 is made up of two panels tubulose feedthrough capacitor and a tank shape FERRITE CORE inductance, and electric capacity wherein and inductance are alternately sleeved on contact pin on the surface, composition chebyshev low-pass filter.The capacitance of two panels tubulose feedthrough capacitor is respectively 4nF and 9nF, and not only volume is little for this tubulose feedthrough capacitor, and the problem of the capacitor resonance underfrequency not having lead-in inductance to cause, and its self-resonant frequency can reach more than 1GHz; The inductance value of tank shape FERRITE CORE inductance is 20uH, and undampedly its effect allows the signal needed pass through, and consume unwanted signal with the form of heating, and its frequency band range be suitable for is wide.Tubulose feedthrough capacitor in this filtering unit 3 is connected with ground plate 2 with one end of tank shape FERRITE CORE inductance, and the other end is connected with contact pin, effectively can reduce common mode interference signal and differential mode interference signal.In order to improve moisture resistance and the functional reliability of filtering unit 3, this filtering unit 3 is first coated with the silica gel of thin layer at assembly surface when encapsulating, covered completely by assembly, then encapsulate by the mode of epoxy resin encapsulated.
Present invention is disclosed the electric power connector that a kind of capability of electromagnetic shielding is excellent; this electric power connector is by adopting metal shell shielding, the filtering of broadband EMI filtering unit and good ground protection; greatly improve capability of electromagnetic shielding, meet the instructions for use under complex electromagnetic environment.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection range that protection scope of the present invention should limit with claims is as the criterion.
Claims (7)
1. the electric power connector that a capability of electromagnetic shielding is excellent, it is characterized in that, described electric power connector is made up of shell, ground plate, filtering unit, contact pin, binding post and plug, described shell is connected with ground plate, described ground plate is connected with filtering unit, described filtering unit is sleeved on contact pin surface, and described contact pin one end connects binding post, other end attachment plug.
2. the electric power connector that capability of electromagnetic shielding according to claim 1 is excellent, is characterized in that, described shell adopts fine aluminum alloy material, and has carried out duplex nickel plating process.
3. the electric power connector that capability of electromagnetic shielding according to claim 1 is excellent, it is characterized in that, described ground plate external cylindrical surface adopts elasticity shading ring, to flexibly connect with shell, the end face that this ground plate is connected with shell is filled with the excellent epoxy conducting of electric conductivity.
4. the electric power connector that capability of electromagnetic shielding according to claim 1 is excellent, it is characterized in that, described filtering unit is made up of two panels tubulose feedthrough capacitor and a tank shape FERRITE CORE inductance, electric capacity wherein and inductance are alternately sleeved on contact pin on the surface, composition chebyshev low-pass filter.
5. the electric power connector that capability of electromagnetic shielding according to claim 4 is excellent, is characterized in that, the capacitance of described tubulose feedthrough capacitor is respectively 4nF and 9nF, and the inductance value of tank shape FERRITE CORE inductance is 20uH.
6. the electric power connector that capability of electromagnetic shielding according to claim 4 is excellent, is characterized in that, described tubulose feedthrough capacitor is connected with ground plate with one end of tank shape FERRITE CORE inductance, and the other end is connected with contact pin.
7. the electric power connector that capability of electromagnetic shielding according to claim 4 is excellent, is characterized in that, described filtering unit adopts and is first coated with one deck thin silicon glue at assembly surface, then encapsulates by the mode of epoxy resin encapsulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983077.XA CN105406285A (en) | 2015-12-24 | 2015-12-24 | Electronic connector with excellent electromagnetic shielding performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983077.XA CN105406285A (en) | 2015-12-24 | 2015-12-24 | Electronic connector with excellent electromagnetic shielding performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105406285A true CN105406285A (en) | 2016-03-16 |
Family
ID=55471618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510983077.XA Pending CN105406285A (en) | 2015-12-24 | 2015-12-24 | Electronic connector with excellent electromagnetic shielding performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105406285A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449685A (en) * | 2018-11-21 | 2019-03-08 | 绵阳昱丰电子科技有限公司 | A kind of hyper tape shielding has the open electric connector of water-proof function |
| CN111327285A (en) * | 2020-04-13 | 2020-06-23 | 中国电子科技集团公司第九研究所 | Broadband high-power EMI filter for new energy automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413407Y (en) * | 1999-12-08 | 2001-01-03 | 杨继深 | Noninductive isolated interference filter connector |
| CN201408884Y (en) * | 2009-03-18 | 2010-02-17 | 中航光电科技股份有限公司 | Filtering connector |
| CN202856086U (en) * | 2012-07-04 | 2013-04-03 | 吕永锋 | Filtering connector |
| CN204289659U (en) * | 2014-11-20 | 2015-04-22 | 重庆大及电子科技有限公司 | The filter of Belt connector |
-
2015
- 2015-12-24 CN CN201510983077.XA patent/CN105406285A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413407Y (en) * | 1999-12-08 | 2001-01-03 | 杨继深 | Noninductive isolated interference filter connector |
| CN201408884Y (en) * | 2009-03-18 | 2010-02-17 | 中航光电科技股份有限公司 | Filtering connector |
| CN202856086U (en) * | 2012-07-04 | 2013-04-03 | 吕永锋 | Filtering connector |
| CN204289659U (en) * | 2014-11-20 | 2015-04-22 | 重庆大及电子科技有限公司 | The filter of Belt connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449685A (en) * | 2018-11-21 | 2019-03-08 | 绵阳昱丰电子科技有限公司 | A kind of hyper tape shielding has the open electric connector of water-proof function |
| CN111327285A (en) * | 2020-04-13 | 2020-06-23 | 中国电子科技集团公司第九研究所 | Broadband high-power EMI filter for new energy automobile |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160316 |