CN106785658A - Can warm swap under water oil-filled jack - Google Patents

Can warm swap under water oil-filled jack Download PDF

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Publication number
CN106785658A
CN106785658A CN201710174270.8A CN201710174270A CN106785658A CN 106785658 A CN106785658 A CN 106785658A CN 201710174270 A CN201710174270 A CN 201710174270A CN 106785658 A CN106785658 A CN 106785658A
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CN
China
Prior art keywords
jack
oil
plug
under water
filled
Prior art date
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Granted
Application number
CN201710174270.8A
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Chinese (zh)
Other versions
CN106785658B (en
Inventor
高文彬
李荣兰
常明山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Longli Electronic Co ltd
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Shandong Longli Electronic Co ltd
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Priority to CN201710174270.8A priority Critical patent/CN106785658B/en
Publication of CN106785658A publication Critical patent/CN106785658A/en
Application granted granted Critical
Publication of CN106785658B publication Critical patent/CN106785658B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219Sealing means between coupling parts, e.g. interfacial seal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The present invention relates to a kind of marine field water-tight electrical connector, there is provided can warm swap under water oil-filled jack, including the plug and socket for cooperating, the plug includes shell body and inner housing, inner housing includes the outer wall and rigid inner bag of elasticity, and some independent cylindrical plugging hole components are provided with inside oil pocket.Plug of the present invention is during water, water outlet or underwater pluggable is entered, the deformation of plug oil-filled chamber pressure balance film reaches regulation oil-filled chamber internal and external pressure balance, so that oil pocket is inside and outside not to exist barometric gradient, realize deep-sea sealing and underwater pluggable, contact pin and switching on and off for jack are carried out all in insulating oil, the electric arc connected and produced when separating can effectively be buried in oblivion, warm swap is realized.

Description

Can warm swap under water oil-filled jack
Technical field
The present invention relates to a kind of marine field water-tight electrical connector, more particularly to can insert the oil-filled of warm swap under water Hole.
Background technology
General electric connector cannot be immersed in the water application, electrically conductive because common water all contains electrolyte, especially It is more preferable seawater electric conductivity, can be by the short circuit of water-immersed electric conductor.There is dry plug/use under water on domestic market Type, wet plug/under water uses type connector, both connectors cannot in deep water warm swap.Due to the pressure in seawater Under power effect, connector separating difficulty is big, even if separating the cavity that seawater under sea pressure must enter after connector is separated Inside cause to leak electricity and cause electrode corrosion under electrochemical action, at present, the special connector for using in the seawater is required Land connect after again under to using in seawater, but have the demand for plugging connector under water under the conditions of some are specific.
The content of the invention
The present invention is the technical problem of warm swap in solution deep-sea, there is provided a kind of to facilitate personnel and robotic arm manipulation, insert Connect the deep-sea electric push-pull connector that positioning is reliable, obturation effect is good.
The present invention uses following technical scheme to realize,
Can warm swap under water oil-filled jack, including the plug and socket for cooperating, it is characterised in that the plug bag Shell body and inner housing are included, inner housing includes the outer wall and rigid inner bag of elasticity, and inner bag is provided with some pressure compensation openings, presses Dynamic balance hole outside cladding outer wall, is the oil pocket equipped with insulating oil inside inner bag, and some independent cylinders are provided with inside oil pocket Plugging hole component;
Plugging hole component includes the socket on oil pocket front end face, and plugging hole component includes the hollow bushing of conductive material, after jack End is connected with cable fixing piece, inside filling insulating oil;The through hole that the front-end and back-end of sleeve pipe connect with oil pocket respectively, through hole The infundibulate skin valve of unidirectional opening and closing is respectively equipped with, outwards, middle part and the sliding pin of preceding skin valve are slidingly sealed company to preceding skin valve opening direction Connect, rear skin valve opening direction is inside;Inside pipe casing is provided with insulation sliding pin axially movable, and preceding skin valve rear side has fluting jack, The front end of sliding pin sequentially passes through fluting jack and preceding skin valve, is slidingly sealed with socket and is connected, and the rear side of sliding pin connects flexible dress Put;
The socket includes the inner housing and the Socket casing of shell mates with plug, and Socket casing middle part is provided with and jack The corresponding contact pin of component, the conducting position of contact pin is in front end.
For ease of fixation, the front end of described sleeve pipe is provided with preceding valve seat, and preceding skin valve is fixed in preceding valve seat, and preceding valve seat is fixed on In the jack leading portion of cylinder, jack leading portion is fixedly connected with sleeve pipe.
To make the spacing slip of sliding pin, the sliding pin is multi-diameter shaft construction, big axle connection elastic device and preceding valve seat inner side Spacing, big axle is provided with through hole, and small axle is slidably connected through preceding valve seat.
To fix rear skin valve, the rear skin valve is fixedly connected with jack back segment set, and jack back segment is fixedly connected with sleeve pipe.
To position contact pin, the front end of the sliding pin is provided with the groove coordinated with contact pin.
To make jack insulating oil be connected with oil pocket, jack leading portion middle part is provided with the front through hole connected with oil pocket, and preceding skin valve is opened Mouth is just right with front through hole.
Preferably, described sleeve pipe outside is coated with insulation tube, and spring rear portion is provided with the mounting seat of taper.
The present invention has advantages below compared with prior art:
During water, water outlet or underwater pluggable is entered, the deformation of plug oil-filled chamber pressure balance film reaches regulation oil-filled chamber to plug Internal and external pressure balance so that oil pocket is inside and outside not to exist barometric gradient, realizes deep-sea sealing and underwater pluggable.Contact pin and jack connect On and off is opened to be carried out all in insulating oil, can effectively bury in oblivion the electric arc connected and produced when separating, and realizes warm swap.
The construction of jack current-carrying part, is both the passage of electric current, is again the structural member of high intensity.Realize electrical property and machinery The good combination of performance, forms firm seal oil chamber skeleton, coordinates related seal, and make contact pin and jack connects on and off Open is carried out all in insulating oil, can effectively bury in oblivion the electric arc produced when switching on and off.Jack is with the electric contact points of contact pin Through fluting jack structure, is easy to the discrepancy of contact pin and sliding pin.
The breathing construction of jack.Jack is provided with unidirectional forward and backward skin valve.Preceding skin valve makes fluid only export but no import, and rear skin valve is only Can not enter.Axial groove is provided with the periphery that jack back segment, jack base and sleeve pipe coordinate, as the passage of fluid.Jack exists In swapping process, the big end of sliding pin under the promotion of contact pin and spring, reciprocatingly slides equivalent to a sliding plug in sleeve pipe, makes The fluid of jack inner chamber produces and exhales, inhales motion, plays a part of to rinse jack, contact pin and sliding pin.
The dynamic sealing construction of plugging hole component.It is originally close because contact pin is identical with the diameter of sliding pin small end when contact pin is inserted The place of sliding pin is sealed, sealing function is played in the same old way to contact pin;The sphere of other sliding pin front end it is recessed closely sealed with contact pin hemispherical head and With one heart, it is to avoid the harmful effect that decentraction is produced to sealing.Contact pin front end heads on sliding pin, first by the entrance of jack front end Bobbin seal section, prevents seawater from entering jack, and then contact pin remains in that sealing state into preceding skin valve, exits process also same Sample, makes fluid not leak.
Brief description of the drawings
Fig. 1 plug overall structure diagrams of the present invention;
The structural representation of Fig. 2 plugging hole components of the present invention;
Fig. 3 socket structure schematic diagrames of the present invention;
1 inner housing in figure, 11 front side outer walls, 12 pressure relief openings, 13 shell mounting seats, 3 inner bags, 31 outer wall mounting seats, 32 rear sides Outer wall, 33 plug front stalls, 34 plug back seats, 2 plugging hole components, 21 jack leading portions, skin valve before 22,23 fluting jacks, 24 jacks Seat, 25 sleeve pipes, 26 sliding pin springs, 27 heat-shrinkable T bush, 28 jack back segments, skin valve after 29,210 jack back segments, 211 sealing rings, 212 Preceding valve seat, 213 sliding pins, 214 inlet cannulas, 215 sealing rings, 216 inlet cannula bushings, 4. contact pin.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
The present invention provide it is a kind of can warm swap under water oil-filled jack, the jack is arranged on plug inside, such as Fig. 1 institutes Show, plug construction includes shell body and inner housing 1, and shell body is used for fixed and is connected with Socket casing, due to shell body Shape can be supporting according to actual needs, can select connector shell common on the market, therefore repeat no more.
The inside of inner housing 1 sets the outer wall and rigid inner bag 3 of elastomeric material, and inner bag 2 is provided with inside and outside some regulations The pressure compensation opening of pressure, the outside of pressure compensation opening is coated with outer wall.In the present embodiment, inner bag is divided into front and rear two parts, Inner bag 3 is cylinder, and front and rear part is respectively equipped with through hole as pressure compensation opening, and outside is respectively provided with front side outer wall 11 and rear side Outer wall 32.If when pressure becomes big in chamber, making the outer wall outward bulge that elastomeric material is made, conversely, inwardly drum, makes external pressure in oil pocket It is strong equal.The front end face of oil pocket is provided with oil filler point, oil pocket rear side sealing.It is fixedly connected between plug front stall 33 and plug back seat 34 It is provided with some independent cylindrical plugging hole components 2.
As shown in Fig. 2 Fig. 3, plugging hole component includes the socket on oil pocket front end face, and plugging hole component includes conductive material Hollow bushing 25, jack back segment 210 is connected with cable fixing piece, and the inside of sleeve pipe 25 filling insulating oil, inside pipe casing is provided with edge The movable sliding pin 213 of sleeve pipe.
The through hole that the front-end and back-end of sleeve pipe connect with oil pocket respectively, through hole is respectively equipped with the infundibulate skin of unidirectional opening and closing Valve, wherein the preceding opening direction of skin valve 22 is outwards, the middle part of preceding skin valve is slidingly sealed with sliding pin 213 and is connected, the rear openings of skin valve 29 To inside.The sliding pin of inside pipe casing is made up of insulating materials, and preceding skin valve rear side has fluting jack 23, and fluting jack is contacted with sliding pin Connection, plays a part of to electrically connect with Plug contact.The front end of sliding pin sequentially passes through fluting jack 23 and preceding skin valve, before socket The inlet cannula 214 of intersegmental part is slidingly sealed connection.
The front end of sleeve pipe is provided with preceding valve seat 212, and preceding skin valve is fixed in preceding valve seat, and preceding valve seat is fixed on the jack of cylinder In leading portion, jack leading portion is fixedly connected with sleeve pipe.Skin valve is fixedly connected with jack back segment set afterwards, and jack back segment is fixed with sleeve pipe and connected Connect.
Elastic device is connected with rear side of sliding pin, sliding pin is multi-diameter shaft construction, and big axle connects elastic device, and the shaft shoulder is in Preceding valve seat inner side limiting-position, small axle is slidably connected through preceding valve seat.
Socket includes the inner housing and the Socket casing of shell mates with plug, and Socket casing middle part is provided with and jack The corresponding contact pin 4 of component, in front end, rear is provided with insulating coating to the conducting position of contact pin 4.
The front end of sliding pin is provided with the groove coordinated with contact pin, and jack leading portion middle part is provided with the front through hole connected with oil pocket, preceding Skin valve opening is just right with front through hole.Outside of sleeve is coated with insulation tube, and spring rear portion is provided with the mounting seat of taper.
When the present invention is implemented, fluting jack 3 and the riveting of jack base 4 are fitted together, and jack base 4 and jack back segment 10 are respectively with mistake Cooperation of being full of press-fits in the two ends of sleeve pipe 5.Sleeve pipe 5 is copper alloy tube, and its two ends periphery car has shallow slot, after jack leading portion 1 and jack The inner surface of section 8 has barb, is buckled into groove during assembling.
The valve portion for being come in and gone out by preceding skin valve 2, sliding pin 13, jack back segment 8, the composition control fluid of rear skin valve 9 in fig. 2: Preceding skin valve member 2 and sliding pin part 13 constitute preceding valve, and preceding skin valve 2 is an infundibulate oil resistant rubber part, and its big end is enclosed within preceding valve seat 12 On step, small end endoporus is wrapped on sliding pin 13, is served and is slidingly sealed.Valve after jack back segment 8 and rear skin valve 9 composition.Skin afterwards Valve is oil resistant rubber part, in the groove of its small end insertion jack back segment, plays sealing and fixation, holds relatively thin skirt section to load greatly and inserts In the hole of hole back segment, valve after formation.
Four grooves are respectively provided with the face of cylinder that jack base 4, jack back segment 10 coordinate with sleeve pipe 5, are the passage of fluid flowing. The big end of sliding pin 13 is slided in endoporus, and big end is provided with breach, the grazing that it can be kept to move, and three breach on big end are The passage of fluid.
Sealing ring 11, entrance big envelope 14 and sealing ring 15 are that the other parts in seal, with connector form sealing.
When the contact pin matched with jack is inserted, the bulb of contact pin is withstood in the pit of sliding pin front end, is advanced in jack, It is between pin, hole and non-conductive now because sliding pin is that insulating materials is made.Contact pin is advanced to and slots jack 23 and completely attaches to When, pin, hole complete electrical connection.In progradation, because the occupy-place of sliding pin 13 is acted on, the pressure in jack inner chamber becomes contact pin Greatly, it is closed rear valve, forces fluid to overcome the constraint of preceding valve, is flowed out to outside jack.When contact pin is exited, spring is pushed away Dynamic sliding pin resets, and jack inner chamber forms negative pressure, and the oil liquid pressure outside jack closes preceding valve, and fluid washes rear valve open and flows into jack It is interior.Fluid is circulated in the closed environment of oil pocket, and elastic outer wall can be plugged and stretched according to plug, keep the balance of pressure.

Claims (7)

1. can warm swap under water oil-filled jack, including the plug and socket for cooperating, it is characterised in that the plug Including shell body and inner housing, inner housing includes the outer wall and rigid inner bag of elasticity, and inner bag is provided with some pressure compensation openings, Pressure compensation opening outside cladding outer wall, is the oil pocket equipped with insulating oil inside inner bag, and some independent cylinders are provided with inside oil pocket The plugging hole component of shape;
Plugging hole component includes the socket on oil pocket front end face, and plugging hole component includes the hollow bushing of conductive material, after jack End is connected with cable fixing piece, inside filling insulating oil;The through hole that the front-end and back-end of sleeve pipe connect with oil pocket respectively, through hole The infundibulate skin valve of unidirectional opening and closing is respectively equipped with, outwards, middle part and the sliding pin of preceding skin valve are slidingly sealed company to preceding skin valve opening direction Connect, rear skin valve opening direction is inside;Inside pipe casing is provided with insulation sliding pin axially movable, and preceding skin valve rear side has fluting jack, The front end of sliding pin sequentially passes through fluting jack and preceding skin valve, is slidingly sealed with socket and is connected, and the rear side of sliding pin connects flexible dress Put;
The socket includes the inner housing and the Socket casing of shell mates with plug, and Socket casing middle part is provided with and jack The corresponding contact pin of component, the conducting position of contact pin is in front end.
2. it is according to claim 1 can warm swap under water oil-filled jack, the front end of described sleeve pipe is provided with preceding valve seat, Preceding skin valve is fixed in preceding valve seat, and preceding valve seat is fixed in the jack leading portion of cylinder, and jack leading portion is fixedly connected with sleeve pipe.
3. it is according to claim 2 can warm swap under water oil-filled jack, it is characterised in that the sliding pin is rank Terraced axle construction, big axle connects elastic device and preceding valve seat inner side limiting-position, and big axle is provided with through hole, and small axle is slided through preceding valve seat and connected Connect.
4. it is according to claim 3 can warm swap under water oil-filled jack, it is characterised in that the rear skin valve with insert Hole back segment set is fixedly connected, and jack back segment is fixedly connected with sleeve pipe.
5. it is according to claim 3 can warm swap under water oil-filled jack, it is characterised in that the front end of the sliding pin It is provided with the groove coordinated with contact pin.
6. it is according to claim 3 can warm swap under water oil-filled jack, it is characterised in that jack leading portion middle part sets There is the front through hole connected with oil pocket, preceding skin valve opening is just right with front through hole.
7. it is according to claim 1 can warm swap under water oil-filled jack, described sleeve pipe outside is coated with insulation tube, Spring rear portion is provided with the mounting seat of taper.
CN201710174270.8A 2017-03-22 2017-03-22 The oil-filled jack that can be plugged under water Active CN106785658B (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107528161A (en) * 2017-08-24 2017-12-29 中国石油大学(北京) A kind of ultra-deep-water plug cable connector for possessing pressure compensation
CN107910699A (en) * 2017-10-19 2018-04-13 东南大学 A kind of pressure balance type underwater pluggable electric connector
CN108023201A (en) * 2017-12-06 2018-05-11 沈阳兴华航空电器有限责任公司 A kind of small underwater plugs contact
CN108075329A (en) * 2017-11-29 2018-05-25 苏州优杰电器有限公司 A kind of sealing structure of the electrical general connector of underwater wet-type
CN108598789A (en) * 2018-05-15 2018-09-28 浙江大学 It is a kind of can under water environment complete Plug Action wet plug piecing devices
CN108832379A (en) * 2018-06-13 2018-11-16 同济大学 A kind of underwater wet plug converting means
CN110277703A (en) * 2018-03-13 2019-09-24 江苏天辰海洋工程技术股份有限公司 A kind of oil sac pressure balance type underwater pluggable electric connector
CN111463624A (en) * 2020-04-02 2020-07-28 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) Underwater wet-type electric connector capable of being plugged and unplugged with electricity
CN112531398A (en) * 2020-12-09 2021-03-19 美钻能源科技(上海)有限公司 Female plug of underwater wet-plug electric connector
CN112636067A (en) * 2020-12-09 2021-04-09 美钻能源科技(上海)有限公司 Underwater wet-plug electric connector
CN114696153A (en) * 2022-06-02 2022-07-01 上海临希智能科技有限公司 Photoelectric composite silt-proof structure of underwater connector

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CN201174569Y (en) * 2008-04-10 2008-12-31 北京北方永邦科技股份有限公司 Water-proof and explosion-proof cable connection apparatus
CN103441374A (en) * 2013-08-27 2013-12-11 沈阳兴华航空电器有限责任公司 Underwater pluggable electric connector
CN104064922A (en) * 2014-07-11 2014-09-24 中国工程物理研究院核物理与化学研究所 Solid core radio frequency coaxial cable adapter device
CN203983661U (en) * 2014-07-11 2014-12-03 中国工程物理研究院核物理与化学研究所 A kind of real core radio frequency coaxial-cable switching device
CN204558776U (en) * 2015-03-11 2015-08-12 四川华丰企业集团有限公司 A kind of antifouling hermetically-sealed construction of connector
CN105655800A (en) * 2014-11-10 2016-06-08 中国科学院沈阳自动化研究所 Deep-sea oil-filled cable quick butt-joint device
CN205960302U (en) * 2016-08-04 2017-02-15 赵志国 Waterproof electric connector
CN206774754U (en) * 2017-03-22 2017-12-19 山东龙立电子有限公司 The oil-filled jack that can be plugged under water

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Publication number Priority date Publication date Assignee Title
CN2122444U (en) * 1992-03-28 1992-11-18 胜利石油管理局无杆采油泵公司 Connector of submersible oil (water) motor and cable
WO1998053530A2 (en) * 1997-05-20 1998-11-26 Brantner & Associates, Inc. Underwater connector
CN201174569Y (en) * 2008-04-10 2008-12-31 北京北方永邦科技股份有限公司 Water-proof and explosion-proof cable connection apparatus
CN103441374A (en) * 2013-08-27 2013-12-11 沈阳兴华航空电器有限责任公司 Underwater pluggable electric connector
CN104064922A (en) * 2014-07-11 2014-09-24 中国工程物理研究院核物理与化学研究所 Solid core radio frequency coaxial cable adapter device
CN203983661U (en) * 2014-07-11 2014-12-03 中国工程物理研究院核物理与化学研究所 A kind of real core radio frequency coaxial-cable switching device
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CN206774754U (en) * 2017-03-22 2017-12-19 山东龙立电子有限公司 The oil-filled jack that can be plugged under water

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107528161A (en) * 2017-08-24 2017-12-29 中国石油大学(北京) A kind of ultra-deep-water plug cable connector for possessing pressure compensation
CN107528161B (en) * 2017-08-24 2019-09-06 中国石油大学(北京) A kind of ultra-deep-water plug cable connector having pressure compensation
CN107910699A (en) * 2017-10-19 2018-04-13 东南大学 A kind of pressure balance type underwater pluggable electric connector
CN108075329A (en) * 2017-11-29 2018-05-25 苏州优杰电器有限公司 A kind of sealing structure of the electrical general connector of underwater wet-type
CN108023201A (en) * 2017-12-06 2018-05-11 沈阳兴华航空电器有限责任公司 A kind of small underwater plugs contact
CN110277703A (en) * 2018-03-13 2019-09-24 江苏天辰海洋工程技术股份有限公司 A kind of oil sac pressure balance type underwater pluggable electric connector
CN108598789A (en) * 2018-05-15 2018-09-28 浙江大学 It is a kind of can under water environment complete Plug Action wet plug piecing devices
CN108832379A (en) * 2018-06-13 2018-11-16 同济大学 A kind of underwater wet plug converting means
CN108832379B (en) * 2018-06-13 2023-07-04 同济大学 Underwater wet plugging and unplugging conversion device
CN111463624A (en) * 2020-04-02 2020-07-28 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) Underwater wet-type electric connector capable of being plugged and unplugged with electricity
CN111463624B (en) * 2020-04-02 2021-03-09 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) Underwater wet-type electric connector capable of being plugged and unplugged with electricity
CN112531398A (en) * 2020-12-09 2021-03-19 美钻能源科技(上海)有限公司 Female plug of underwater wet-plug electric connector
CN112636067A (en) * 2020-12-09 2021-04-09 美钻能源科技(上海)有限公司 Underwater wet-plug electric connector
CN114696153A (en) * 2022-06-02 2022-07-01 上海临希智能科技有限公司 Photoelectric composite silt-proof structure of underwater connector
CN114696153B (en) * 2022-06-02 2022-08-23 上海临希智能科技有限公司 Photoelectric composite silt-proof structure of underwater connector

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