CN101635414B - Electric connector resisting nuclear electromagnetic pulses - Google Patents

Electric connector resisting nuclear electromagnetic pulses Download PDF

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Publication number
CN101635414B
CN101635414B CN2009101027602A CN200910102760A CN101635414B CN 101635414 B CN101635414 B CN 101635414B CN 2009101027602 A CN2009101027602 A CN 2009101027602A CN 200910102760 A CN200910102760 A CN 200910102760A CN 101635414 B CN101635414 B CN 101635414B
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CN
China
Prior art keywords
shell
electric connector
socket
electromagnetic pulses
plug
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Expired - Fee Related
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CN2009101027602A
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Chinese (zh)
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CN101635414A (en
Inventor
刘兵
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Guizhou Space Appliance Co Ltd
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Guizhou Space Appliance Co Ltd
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Priority to CN2009101027602A priority Critical patent/CN101635414B/en
Publication of CN101635414A publication Critical patent/CN101635414A/en
Application granted granted Critical
Publication of CN101635414B publication Critical patent/CN101635414B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to an electric connector resisting nuclear electromagnetic pulses, comprising a socket and a plug. The socket is formed by sequentially connecting a socket outer shell, a plastic closing ring, a lower base, a grommet, a bracing spring ring, a contact pin, a top base, an interface sealing gasket and a sealing ring; the plug is formed by sequentially connecting a threaded sleeve, an elastic gasket, a static ratchet wheel, a movable ratchet wheel, an end outer shell, a plastic closing ring, a lower base, a jack, a grommet, a bracing spring ring and an end top base; and the socket outer shell and the end outer shell of the electric connector are made of permeable magnetic material while conductive material is coated on the surface, a shielding spring leaf is axially arranged on the excircle of the end outer shell, and conductive rubber gaskets are arranged on abutting end surfaces so as to form a full-closed shield. The electric connector has excellent conductivity, effectively shields electromagnetic interference caused by an external electrical field and magnetic variation and enhances the capability of resisting strong electromagnetic pulses caused by nuclear bursts.

Description

A kind of electric connector resisting nuclear electromagnetic pulses
Technical field
The invention belongs to technical field of electric connectors.
Background technology
Along with development of electronic technology, various electronic equipments are used semiconductor device and integrated circuit more and more at large.Nuclear electromagnetic pulse has huge destruction to these electronic equipments, its action principle is can enter electronic equipment internal by antenna, cable junction, metallic conduit etc. by the electromagnetic pulse that nuclear explosion produces, produce induced current, electronic equipment is seriously damaged, the additional signal of being introduced by nuclear electromagnetic pulse also can make the operating state of device change in addition, cause the dysfunction of electronic equipment, send rub-out signal etc.Though nuclear electromagnetic pulse is of short duration, yet the function of electronic equipment, circuit and electronic component is damaged is permanent for it.The electronic equipment that does not have the anti-nuclear electromagnetic pulse function, its survival ability will be subjected to serious threat.With regard to a system, electric connector usually is the interface that internal environment is connected with external environment condition, introduces nuclear electromagnetic pulse easily and disturbs, thereby be transferred to internal environment, causes the damage of electronic equipment.Therefore, electronic equipment an urgent demand electric connector has the anti-nuclear electromagnetic pulse function, the nuclear electromagnetic pulse of shielding external environment condition.
The method of prevention nuclear electromagnetic pulse is that the metal material with high conductivity and high permeability shields electronic equipment, but existing each type electric connector is made of aluminium alloy or Cu alloy material usually, does not have the anti-nuclear electromagnetic pulse ability.
Summary of the invention
The purpose of this invention is to provide a kind of electric connector, be implemented under the nuclear electromagnetic pulse environment, possess the ability of good nuclear electromagnetic pulse shielding after plug and socket plugs together with anti-nuclear electromagnetic pulse function.
Electric connector of the present invention comprises socket and plug, and wherein socket is connected to form successively by seat shell, plastics collar, bottom base, grommet, support spring circle, contact pin, top base, interfacial seal pad and sealing ring; Plug is connected to form successively by swivel nut, elastic washer, quiet ratchet, moving ratchet, a shell, plastics collar, bottom base, jack, grommet, support spring circle and a top base, a seat shell and a shell of described connector adopt permeability magnetic material, simultaneously at the surface-coated electric conducting material, and a shell cylindrical be provided with vertically shielding finger, the butt joint end face conductive rubber pad is set, form totally-enclosed shielding construction.
The interface of a described seat shell 1 and a shell 8 is set to corresponding inclined-plane, increases contact area, reduces to dock the slit.
Adopt the electric connector of said structure scheme, have good conductivity, can effectively shield the electromagnetism interference that external electrical field and changes of magnetic field cause, and can improve the ability of the anti-strong electromagnetic pulse that nuclear explosion is caused.
Description of drawings
Fig. 1 is the principal section view after electric connector resisting nuclear electromagnetic pulses plug body of the present invention and jack housing plug together;
Fig. 2 is an electric connector resisting nuclear electromagnetic pulses socket front view of the present invention;
Fig. 3 is the front view of electric connector resisting nuclear electromagnetic pulses plug of the present invention;
Fig. 4 is an electric connector resisting nuclear electromagnetic pulses conductive rubber pad structure chart of the present invention;
Fig. 5 is the end view of Fig. 4.
Among the figure: 1-seat shell, 1a-inclined-plane, 1b-external screw thread, 2-swivel nut, 2a=internal thread, 3-shielding finger, 4-conductive rubber pad, 4a-end face, 5-elastic washer, the quiet ratchet of 6-, the moving ratchet of 7-, a 8-shell, 8a-inclined-plane, 9-plastics collar 10-bottom base, 11-jack, 12-grommet, 13-support spring circle, a 14-top base, 15-contact pin, 16-seat top base, 17-interfacial seal pad, 18-sealing ring, 19-bottom base, 20-grommet.
Embodiment
Below in conjunction with the accompanying drawing example anti-nuclear electromagnetic pulse connector of the present invention is described further:
As shown in the figure, electric connector resisting nuclear electromagnetic pulses of the present invention comprises socket and plug, and wherein socket is installed by seat shell 1, plastics collar 9, bottom base 10, grommet 12, support spring circle 13, contact pin 15, seat top base 16, interfacial seal pad 17 and sealing ring 18 and formed; Plug is installed by swivel nut 2, elastic washer 5, quiet ratchet 6, moving ratchet 7, a shell 8, plastics collar 9, bottom base 19, jack 11, grommet 20, support spring circle 13 and a top base 14 and is formed, wherein the contact pin 15 in the socket is by in the support spring circle 13 fixing present top bases 16, and can in seat top base 16, take apart, seat top base 16, bottom base 10 and grommet 12 connect fixing in aggregatesly by gluing, and are fixed in the present shell 1 by plastics collar 9.Jack 11 in the plug is fixed in the top base 14 by support spring circle 21, and from the beginning takes apart in the top base 14, and a top base 14, bottom base 19 and grommet 20 connect fixing in aggregatesly by gluing, and are fixed in the shell 8 by plastics collar 9.Swivel nut 2 is limited to a shell afterbody by elastic washer 5, quiet ratchet 6, moving ratchet 7, and possesses the function of rotation, is used for the locking of plug and socket.Cylindrical and the setting of butt joint end face at plug body simultaneously is equipped with shielding finger 3 and conductive rubber pad 4, shielding finger 3 is used for contacting with the seat outer casing inner wall, realize good electrically conducting and reduce an outer casing inner wall and the slit of a shell, strengthen the shield effectiveness after plug and socket plugs together.Conductive rubber pad 4 bonds together with the contact site of a shell 8 by its end face 4a, eliminates the gap, mating side of plug and socket, forms complete shield, realizes its anti-nuclear electromagnetic pulse function.
The swivel nut internal thread 2a locking that is connected on the external screw thread 1b of socket and plug by jack housing and the plug body, the butt end of socket plug is provided with corresponding inclined-plane 1a and 8a, to increase contact area, reduces connector butt joint slit.
For to electric field component in the nuclear electromagnetic pulse and magnetic-field component, equal energy shielding attenuation, it is that matrix, high conductive material are the structure of coating layer that the housing of connector has adopted high permeability material, and promptly head capsule body 1 and seat housing 8 adopt high magnetic conductive metal material as matrix, realize magnetic field shielding.Surface of shell plating high conductive material, the electric field shielding of realization housing.
The housing that high permeability material constitutes has increased the loss of magnetic field energy, and the disturbing magnetic field consumption in the external world in housing, is played the effect of magnetic field shielding.Surface of shell plating high conductive material, guaranteed that housing has good electrical conductivity, the shielding finger 3 of connector and conductive rubber pad 4, guaranteed that structurally plug and socket has good conductivity between the two, after socket and metal mounting panel are fixing, just form good ground connection between housing 1 and the metal mounting panel, reached the requirement of electric field shielding.Adopt totally-enclosed shielding construction not only can effectively shield the electromagnetic interference that external electrical field and changes of magnetic field cause, and can improve the ability of the anti-strong electromagnetic pulse that nuclear explosion is caused greatly.
The basis material of an above-mentioned seat shell 1 and a shell 8 can be made of high permeability materials such as permalloy, 10# steel, 45# steel.
Conductive rubber pad 4 materials can be by graphite nickel plating, carbon black, copper is silver-plated or aluminium is silver-plated and magnetic field constitutes at the material of 100KHz shielding properties more than 70dB and all can.

Claims (4)

1. electric connector resisting nuclear electromagnetic pulses, comprise socket and plug, wherein socket is connected to form successively by seat shell (1), plastics collar (9), bottom base (10), grommet (12), support spring circle (13), contact pin (15), top base (16), interfacial seal pad (17) and sealing ring (18); Plug is connected to form successively by swivel nut (2), elastic washer (5), quiet ratchet (6), moving ratchet (7), a shell (8), plastics collar (9), bottom base (19), jack (11), grommet (20), support spring circle (13) and a top base (14), it is characterized in that: the seat shell (1) and a shell (8) of described connector adopt permeability magnetic material, simultaneously at the surface-coated electric conducting material, and at a shell (8) cylindrical shielding finger (3) is set vertically, the butt joint end face is provided with conductive rubber pad (4).
2. electric connector resisting nuclear electromagnetic pulses as claimed in claim 1 is characterized in that: it is graphite nickel plating or carbon black that described conductive rubber pad (4) adopts material, copper is silver-plated, aluminium is silver-plated, is connected with a shell (8) butt joint end face by bonding.
3. electric connector resisting nuclear electromagnetic pulses as claimed in claim 1 is characterized in that: the permeability magnetic material that seat shell (1) and a shell (8) of described connector adopts is permalloy or 10# steel, 45# steel.
4. as claim 1 or 3 described electric connector resisting nuclear electromagnetic pulses, it is characterized in that: the interface of a described seat shell (1) and a shell (8) is respectively arranged with corresponding inclined-plane (1a, 8a).
CN2009101027602A 2009-08-22 2009-08-22 Electric connector resisting nuclear electromagnetic pulses Expired - Fee Related CN101635414B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101027602A CN101635414B (en) 2009-08-22 2009-08-22 Electric connector resisting nuclear electromagnetic pulses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101027602A CN101635414B (en) 2009-08-22 2009-08-22 Electric connector resisting nuclear electromagnetic pulses

Publications (2)

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CN101635414A CN101635414A (en) 2010-01-27
CN101635414B true CN101635414B (en) 2011-10-05

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101807769B (en) * 2010-04-06 2012-10-24 贵州航天电器股份有限公司 Double-body type case electric connector
CN101950889A (en) * 2010-08-25 2011-01-19 贵州航天电器股份有限公司 LRM electric connector with electrostatic protection device
CN103124028A (en) * 2011-11-18 2013-05-29 沈阳兴华航空电器有限责任公司 Anti-static plug and anti-static electric connector with same
CN103166058A (en) * 2011-12-08 2013-06-19 贵州航天电器股份有限公司 Shielding electric connector
CN102496805A (en) * 2011-12-09 2012-06-13 贵州航天电器股份有限公司 Airtight seal socket electric connector structure
CN103050827B (en) * 2012-12-05 2015-04-08 中航光电科技股份有限公司 Dust-proof plug and electrical connector assembly applying same
CN106532349B (en) * 2015-09-09 2018-12-28 贵州航天电器股份有限公司 It is threadedly coupled Miniature circular electric connector
CN106646764A (en) * 2016-12-30 2017-05-10 江苏骏龙光电科技股份有限公司 Interface device for detecting multifiber cables
CN107425333B (en) * 2017-04-28 2019-05-17 遵义精星航天电器有限责任公司 A kind of current-limiting protection device of detachable priming system resistance
CN108987994B (en) * 2018-06-29 2020-07-24 贵州航天电器股份有限公司 Contact element detachable and lightweight high-temperature electric connector
CN112202020B (en) * 2020-07-06 2022-03-15 中航光电科技股份有限公司 Ultrahigh-speed high-density high-reliability integrated photoelectric radio frequency connector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529257A (en) * 1983-02-22 1985-07-16 International-Telephone & Telegraph Corp. Combined electrical shield and environmental seal for electrical connector
US4729743A (en) * 1985-07-26 1988-03-08 Amp Incorporated Filtered electrical connector
US5164873A (en) * 1991-05-29 1992-11-17 Amphenol Corporation Reverse current biased diode connector
CN201112998Y (en) * 2007-09-01 2008-09-10 贵州航天电器股份有限公司 Elastic contact member filter connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529257A (en) * 1983-02-22 1985-07-16 International-Telephone & Telegraph Corp. Combined electrical shield and environmental seal for electrical connector
US4729743A (en) * 1985-07-26 1988-03-08 Amp Incorporated Filtered electrical connector
US5164873A (en) * 1991-05-29 1992-11-17 Amphenol Corporation Reverse current biased diode connector
CN201112998Y (en) * 2007-09-01 2008-09-10 贵州航天电器股份有限公司 Elastic contact member filter connector

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