CN111463624A - Underwater wet-type electric connector capable of being plugged and unplugged with electricity - Google Patents
Underwater wet-type electric connector capable of being plugged and unplugged with electricity Download PDFInfo
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- CN111463624A CN111463624A CN202010254856.7A CN202010254856A CN111463624A CN 111463624 A CN111463624 A CN 111463624A CN 202010254856 A CN202010254856 A CN 202010254856A CN 111463624 A CN111463624 A CN 111463624A
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- shell
- wall
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- head
- locking
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- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
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- 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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
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- 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
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
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- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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- 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
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
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- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
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- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- 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
- H01R13/64—Means for preventing incorrect coupling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to an underwater wet-type electric connector capable of being plugged and unplugged with electricity, which comprises a male plug body and a female socket body. The top end of the male plug is provided with a primary locking groove, and a slidable contact pin assembly, an attached secondary locking groove and a non-slidable secondary locking claw are nested in the male plug; the female socket is internally provided with a primary locking claw and a jack assembly which are matched with the male plug. When the electric connector is inserted, the two-stage locking mechanisms are matched, and the contact pin is matched with the jack, so that the electric connector is sealed and locked; when the locking device is pulled out, the secondary locking structure is separated before the primary locking structure. The conductive inner core of the contact pin is always in a sealed and insulated environment in the whole plugging process, so that underwater live plugging can be realized. The invention has a double oil-filled pressure balance structure, can adapt to different deepwater pressures, and can prolong the service life; the connection mode is direct and fast, the insulating and sealing performance is good, and accidental separation can be effectively prevented. After the invention is matched, the work of assembling, connecting, disassembling, replacing and the like of the underwater electric equipment can be economically and efficiently carried out.
Description
Technical Field
The invention relates to the technical field of pluggable electric connectors, in particular to an underwater wet-type electric connector capable of being plugged in and out in a hot-line mode.
Background
At present, in the more popular ocean research fields, such as deep sea oil and gas resource development, deep sea detection and scientific research, underwater weapon platforms and the like, a large number of underwater electric devices are arranged, a sea surface carrier or a shore-based facility needs to be connected through a cable to form a power-on loop so as to be capable of working for a long time underwater, the cable is connected with the electric devices and cannot be separated from the electric connectors, and the traditional electric connectors are waterproof and waterproof. The common waterproof electric connector has the working principle that: the underwater plugging device is placed underwater after being plugged tightly on the water surface, and the internal electric circuit is isolated from the outside through rubber sealing, so that underwater plugging can not be realized. Under a large number of underwater operation conditions, the electric connector is often required to be capable of realizing rapid and economical underwater assembly connection, replacement, maintenance and other work, and on the basis, the underwater wet-type plug-pull electric connector is born as an improvement of the traditional technology. However, the existing underwater wet connector still cannot realize live insertion and extraction, and the reason is that the male plug with the contact pin is exposed in seawater after being extracted from the female socket, and the core circuits are mutually insulated and failed. Once the electric connector is passively separated by the interference of external accidental loads, each pin circuit is instantly short-circuited in seawater, so that the burning loss of a cable line is caused, the production reduction and the production stop of equipment are caused, and the electric shock accident of a water surface power supply part is caused, even a fire disaster is caused.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides the underwater wet-type electric connector capable of being plugged and unplugged in a hot-line manner, so that the underwater hot-line plugging and unplugging of the electric connector is realized, and the electric connector is insulated, anti-dropping and good in pressure-bearing performance.
The technical scheme adopted by the invention is as follows:
an underwater wet-type electric connector capable of being plugged and unplugged with electricity comprises a male plug body and a female socket body; the structure of the male plug body is as follows: the locking device comprises a first shell, wherein the first shell is a hollow cylindrical structure with an opening at the head part, an annular primary locking groove is formed in the outer wall of the head part of the first shell along the circumferential direction, an end part supporting block is installed on the inner wall surface of the head part of the first shell in a matching mode, a pin assembly is arranged in the middle of an inner cavity of the first shell along the axial direction, one end of the pin assembly is connected with the end part supporting block in an inserting mode, the other end of the pin assembly is located in the inner cavity of the first shell in a sliding mode through a sliding locking assembly, a limiting plate; the structure of female socket body does: the locking device comprises a second shell, wherein the second shell is a hollow cylindrical structure with an opening at the tail part, a limiting support block is arranged on the inner wall surface of the head part of the second shell in a matching way, an insertion hole support block is also arranged in the inner cavity of the second shell, the insertion hole support block and the limiting support block are arranged in parallel at intervals, a insertion hole component is arranged in the middle of the inner cavity of the second shell along the axial direction, one end of the insertion hole component is fixedly connected with the limiting support block, the other end of the insertion hole component is fixedly connected with the insertion hole support block, and a plurality of primary locking claws are uniformly distributed; the one-level locking claw and the one-level locking groove are arranged oppositely, and when the head of the male plug body is inserted into the female socket body, the one-level locking claw is embedded in the one-level locking groove, so that the male plug body and the female socket body are locked in a sealing mode.
The further technical scheme is as follows:
the contact pin assembly comprises a plurality of conductive inner cores which are circumferentially and symmetrically arranged, a plurality of first through holes for mounting the conductive inner cores are formed in parallel on the end supporting block, the inner wall of each first through hole is attached to an insulating sealing layer, the head of each conductive inner core extends into the first through hole and extends outwards along the circumferential direction to form a flange, the periphery of each flange is abutted to the insulating sealing layer, the outer end face of each flange is fixedly connected with a columnar insulator, the columnar insulator and the flanges are coaxially arranged and have the same diameter as the flanges, the tail of each conductive inner core is fixedly connected to the inside of the sliding locking assembly, and the conductive inner cores are positioned on the side wall faces outside the sliding locking assembly and are covered;
the sliding locking assembly comprises a sliding assembly for sliding positioning of the conductive inner core and a locking assembly for fixing the position of the conductive inner core;
the concrete structure of the sliding component is as follows: the pin support comprises a wiring part, the wiring part is of a rod-shaped structure and is axially mounted in the middle of an inner cavity of the first shell, the head of the wiring part penetrates through the limiting plate and extends outwards along the circumferential direction to form a pie-shaped transition part, the wiring part and the transition part are fixedly connected vertically and coaxially arranged, the tail of the wiring part is fixedly connected with the insulating packaging body, the insulating packaging body is of a columnar structure and is also coaxially arranged with the wiring part, the outer wall of the insulating packaging body is abutted against the inner wall of the first shell, a group of sliding blocks are symmetrically and fixedly connected to the outer wall of the insulating packaging body along the radial direction, and guide grooves for the sliding blocks on the two sides along the axial direction are formed in the side wall of the first shell; the first shell is provided with a groove for the sliding of the wiring end; the tail part of the conductive inner core sequentially passes through the transition part, the wiring part and the insulating packaging body and extends into the wiring terminal;
the specific structure of the locking assembly is as follows: the two-stage locking groove body is vertically and fixedly connected to the outer wall of the transition portion, the two-stage locking groove body is of an annular structure, an annular groove is formed in the middle of the periphery of the two-stage locking groove body, an elastic clamping ring is embedded in the annular groove, a limiting groove for the elastic clamping ring to be embedded is formed in the inner wall of the first shell, the two-stage locking groove body faces one end of the end portion supporting block, the annular two-stage locking groove is formed in the circumferential direction, the end portion supporting block faces one end of the transition portion, a plurality of two-stage locking claws are uniformly distributed in the circumferential direction, and each two-;
the slider is a rectangular columnar structure which is vertically and fixedly connected with the insulating packaging body, and the handle is used for pushing and pulling the slider, the handle is in a -shaped structure, and two sides of the handle are respectively and vertically and fixedly connected with the sliders;
the jack assembly comprises second through holes which are arranged opposite to the first through holes, insulating sealing bases are sleeved in the second through holes, the jack assembly further comprises a conductive cylinder body, a cavity for inserting a conductive inner core is arranged in the conductive cylinder body, the conductive cylinder body and the first through holes are coaxially arranged, the head of the conductive cylinder body is contracted to form a step-shaped structure, the head of the step-shaped structure is inclined towards the middle of the second shell and extends parallel to the head of the second shell, an opening is formed in the tail of the conductive cylinder body, the outer wall of the tail of the conductive cylinder body is embedded with the insulating sealing bases, the inner wall of the tail of the conductive cylinder body is contracted inwards along the radial direction to form a step part, a group of crown springs are further symmetrically arranged on the surface of the step part along the radial direction, a shuttle insulator is arranged in the inner cavity of the tail of the conductive cylinder body, annular bulges are arranged on the outer wall of, is elastically connected with the head of the inner cavity of the conductive cylinder;
the periphery of the step-shaped head of the conductive cylinder is covered with a cylinder insulating layer, a first-stage oil-filled leather bag wrapping the conductive cylinder is arranged on the outer side of the conductive cylinder between the jack supporting block and the limit supporting block, a plurality of oleophobic through holes are formed in the wall surface of each conductive cylinder at intervals, a second-stage oil-filled leather bag wrapping the whole first-stage oil-filled leather bag is also arranged on the outer side of the first-stage oil-filled leather bag, two ends of the first-stage oil-filled leather bag are fixedly connected with the jack supporting block and the limit supporting block respectively, and two ends of the second-stage oil-filled leather bag are also fixedly connected with the jack supporting;
the head of the second shell also extends outwards along the circumferential direction to form a disc-shaped flange structure, the side wall of the electric equipment port also extends outwards along the circumferential direction to form an electric equipment connecting wing plate, the electric equipment connecting wing plate is attached to the flange structure and fixedly connected with the flange structure through bolts, a mounting groove for embedding the electric equipment port is formed in the limiting support block, the head of the conductive cylinder body extends into a conductive groove of the electric equipment port in parallel, and a plurality of rubber seal rings are embedded on the contact surfaces of the flange structure and the electric equipment connecting wing plate and the contact surfaces of the limiting support block and the side wall of the electric equipment port;
the diameter of the outer wall of the first shell is matched with the diameter of the inner wall of the second shell; a plurality of water drainage through holes are uniformly distributed on the outer wall of the first shell along the axial direction and the circumferential direction; a plurality of pressure balance holes are uniformly distributed on the outer wall of the second shell along the axial direction and the circumferential direction; a guide post is fixedly connected to one part of the outer wall of the head of the first shell, and a guide sliding groove for the guide post to slide is formed in the wall surface of the tail of the second shell.
The invention has the following beneficial effects:
the invention has reasonable structure and convenient operation, and not only the female socket is provided with the dynamic insulation sealing structure, but also the male plug is provided with the dynamic insulation sealing structure, thereby realizing underwater live-line plugging; the double-oil-filling pressure balance structure is adopted, the pressure balance structure can adapt to different deep sea water pressures, and the service life is greatly prolonged; the elastic locking mechanism is arranged, and can resist certain external load to prevent the male plug and the female socket from being disengaged accidentally; the underwater system equipment is directly and quickly connected, has good insulation and sealing performance, is stable in locking, can realize hot plugging, and can more economically and efficiently carry out the work of assembling, connecting, disassembling, replacing and the like of underwater system equipment after being matched with the underwater system equipment.
Compared with the prior art, the invention also has the following specific advantages:
contact pin structure: the contact pin comprises a conductive inner core, a columnar insulator and a peripheral insulating layer, and the exposed conductor is isolated and insulated from external seawater through interference fit with an insulating sealing layer so as to be plugged in and pulled out in a hot-line manner;
pressure balance hole: the wall of the protective shell is provided with a pressure balance hole, so that the same internal pressure and external pressure of the protective shell can be ensured in the plugging process;
insulating shuttle: the outer diameter of the insulating shuttle body and the inner diameter of the insulating sealing base are sealed in an interference fit mode, so that oil liquid in the conductive cylinder body can not leak outwards, and external seawater can be prevented from entering the conductive cylinder body;
oleophobic through-hole: the wall of the conductive cylinder body is provided with an oleophobic through hole, so that the oil pressure inside and outside the cylinder wall can be ensured to be the same in the plugging process;
the crown spring structure: the phenomenon that the conductivity is reduced after abrasion is generated due to repeated plugging and unplugging of the exposed conductor of the contact pin can be avoided;
two-stage oil-filled bladder: the conductive cylinder is wrapped to form an oil-filled inner cavity, the pressure of external seawater and internal insulating oil is balanced through the change of the volume of the leather bag, and the stable implementation of plugging and unplugging actions under different deep sea environment pressures can be ensured;
two-stage locking structure: the primary locking groove is matched with the primary locking claw, the secondary locking groove is matched with the secondary locking claw, reliable locking of the male plug body and the female socket body is achieved, accidental circuit interruption caused by separation of the male plug body and the female socket body due to accidental loads can be prevented, the total number of the secondary locking claws is smaller than that of the primary locking claws, and the secondary locking structure is firstly disengaged during separation, so that the insulation requirement is met;
a guide column: can cooperate with the direction spout on the protection casing, realize the accurate butt joint of public plug and female socket, can avoid producing the misconnection phenomenon to heterogeneous circuit.
Drawings
Fig. 1 is a front view (during insertion) of the connection structure of the present invention.
Fig. 2 is a top view (fully inserted) of the connection structure of the present invention.
Fig. 3 is a schematic structural view of the male plug body of the present invention.
Fig. 4 is a schematic structural view of another perspective of the male plug body of the present invention.
Fig. 5 is a schematic structural diagram of the female plug body of the present invention.
Fig. 6 is a schematic structural view of another view angle of the female plug body of the present invention.
Fig. 7 is a partially enlarged view of a portion a in fig. 2.
Fig. 8 is a partially enlarged view of fig. 2 at B.
Fig. 9 is a partially enlarged view of fig. 4 at C.
Wherein: 1. a male plug body; 2. a female socket body;
101. a handle; 102. a slider; 103. a guide groove; 104. a pin supporting seat; 105. a limiting plate; 106. a first housing; 107. a hydrophobic via; 108. an end support block; 109. an insulating sealing layer; 110. a primary locking groove; 111. a secondary locking claw; 112. a conductive inner core; 113. a peripheral insulating layer; 114. a secondary locking groove; 115. an elastic snap ring; 116. a secondary locking groove body; 117. an insulating package; 118. a guide post; 119. a groove; 120. a terminal; 121. a columnar insulator; 122. a first through hole; 123. an annular groove;
201. a second housing; 202. a primary locking claw; 203. a jack support block; 204. a conductive cylinder; 205. a pressure balance hole; 206. a first-stage oil-filled bladder; 207. a secondary oil-filled bladder; 208. a spring; 209. a cylinder insulating layer; 210. a limiting supporting block; 211. a flange structure; 212. a wing plate; 213. a powered device port; 214. a conductive slot; 215. a rubber seal ring; 216. a bolt; 217. an oleophobic through hole; 218. a crown spring; 219. a shuttle insulator; 220. an insulating seal base; 221. a guide chute; 222. a second through hole;
1041. a wiring portion; 1042. a transition section;
1121. a flange.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in FIGS. 1-2, the present invention includes a male plug body 1 and a female socket body 2.
As shown in fig. 3 to 4, the male plug body 1 has the following structure: the locking device comprises a first shell 106, wherein the first shell 106 is of a hollow cylindrical structure with an opening at the head part, an annular primary locking groove 110 is formed in the outer wall of the head part of the first shell 106 along the circumferential direction, an end part supporting block 108 is installed on the inner wall surface of the head part of the first shell 106 in a matched mode, a pin component is arranged in the middle of the inner cavity of the first shell 106 along the axial direction, one end of the pin component is connected with the end part supporting block 108 in an inserting mode, the other end of the pin component is located in the inner cavity of the first shell 106 in a sliding mode through a sliding locking component, a limiting plate 105 is further.
As shown in fig. 5 to 6, the female socket body 2 has the following structure: the locking device comprises a second shell 201, wherein the second shell 201 is a hollow cylindrical structure with an opening at the tail part, a limiting support block 210 is installed on the inner wall surface of the head part of the second shell 201 in a matching mode, a jack support block 203 is further installed in the inner cavity of the second shell 201, the jack support block 203 and the limiting support block 210 are arranged in parallel at intervals, a jack component is arranged in the middle of the inner cavity of the second shell 201 along the axial direction, one end of the jack component is fixedly connected with the limiting support block 210, the other end of the jack component is fixedly connected with the jack support block 203, and a plurality of primary locking claws 202 are uniformly distributed at one end, facing the tail part; the first-stage locking claw 202 is arranged opposite to the first-stage locking groove 110, and when the head of the male plug body 1 is inserted into the female socket body 2, the first-stage locking claw 202 is embedded in the first-stage locking groove 110, so that the male plug body 1 and the female socket body 2 are locked in a sealing mode.
The pin assembly comprises a plurality of circumferentially symmetrically arranged conductive inner cores 112, a plurality of first through holes 122 for mounting the conductive inner cores 112 are formed in parallel on the end supporting block 108, an insulating sealing layer 109 is attached to the inner wall of each first through hole 122, the head of the conductive inner core 112 extends into the first through hole 122 and extends outwards along the circumferential direction to form a flange 1121, the periphery of the flange 1121 is abutted against the insulating sealing layer 109, a columnar insulator 121 is fixedly connected to the outer end face of the flange 1121, the columnar insulator 121 and the flange 1121 are coaxially arranged, the diameter of the columnar insulator is the same as that of the flange 1121, the tail of the conductive inner core 112 is fixedly connected to the inside of the sliding locking assembly, and the side wall face of the conductive inner core 112, which is located outside the sliding locking.
The slip lock assembly includes a slip assembly for slidably positioning the conductive core 112 and a lock assembly for fixing the position of the conductive core 112.
The concrete structure of the sliding component is as follows: the pin support 104 comprises a pin support 104, an insulating packaging body 117 and sliders 102, the pin support 104 comprises a wiring portion 1041, the wiring portion 1041 is of a rod-shaped structure, the wiring portion 1041 is axially installed in the middle of an inner cavity of a first shell 106, the head of the wiring portion 1041 penetrates through a limiting plate 105 and extends outwards along the circumferential direction to form a pie-shaped transition portion 1042, the wiring portion 1041 and the transition portion 1042 are vertically and fixedly connected and coaxially arranged, the tail of the wiring portion 1041 is fixedly connected with the insulating packaging body 117, the insulating packaging body 117 is of a columnar structure, the insulating packaging body 117 is coaxially arranged with the wiring portion 1041, the outer wall of the insulating packaging body 117 is abutted against the inner wall of the first shell 106, a group of sliders 102 is symmetrically and fixedly connected to the outer wall of the insulating packaging body 117 along the radial direction, and guide grooves 103 for the sliders 102 on the two sides to slide; a terminal 120 is further formed at one position of the side wall of the insulating packaging body 117 and extends outwards, and a groove 119 for the sliding of the terminal 120 is formed in the first shell 106; the tail of the conductive core 112 passes through the transition portion 1042, the wiring portion 1041 and the insulating package body 117 in sequence, and extends into the terminal 120.
As shown in fig. 7 to 9, the specific structure of the locking assembly is: including the second grade locking groove body 116 of perpendicular rigid coupling in transition portion 1042 outer wall, second grade locking groove body 116 is cyclic annular structure, ring channel 123 is seted up at the periphery middle part of second grade locking groove body 116, scarf joint circlip 115 in the ring channel 123, set up the spacing groove that supplies circlip 115 embedding on the inner wall of first casing 106, second grade locking groove body 116 is towards the one end of tip supporting shoe 108, set up annular second grade locking groove 114 along circumference, tip supporting shoe 108 is towards the one end of transition portion 1042, along a plurality of second grade locking claw 111 of circumference equipartition, each second grade locking claw 111 sets up with second grade locking groove 114 relatively.
The sliding block 102 is a rectangular column structure vertically fixedly connected with the insulating packaging body 117, the handle 101 used for pushing and pulling the sliding block 102 is further included, the handle 101 is in a -shaped structure, and two sides of the handle 101 are respectively and vertically fixedly connected with the sliding blocks 102.
The jack assembly comprises second through holes 222 which are arranged opposite to the first through holes 122, an insulating sealing base 220 is sleeved in each second through hole 222, the jack assembly further comprises a conductive cylinder 204, a cavity for inserting the conductive inner core 112 is arranged in the conductive cylinder 204, the conductive cylinder 204 and the first through holes 122 are coaxially arranged, the head of the conductive cylinder 204 is contracted to form a step-shaped structure, the head of the step-shaped structure is inclined towards the middle of the second shell 201 and extends towards the head of the second shell 201 in parallel, an opening is arranged at the tail of the conductive cylinder 204, the outer wall of the tail of the conductive cylinder 204 is embedded with the insulating sealing base 220, the inner wall of the tail of the conductive cylinder 204 is contracted inwards along the radial direction to form a step part, a group of crown springs 218 are symmetrically arranged on the surface of the step part along the radial direction, a shuttle insulator 219 is arranged in the inner cavity of the tail of the conductive cylinder 204, and an annular bulge, the telescopic ring-shaped protrusion is clamped with the step part, and the head of the shuttle insulator 219 is elastically connected with the inner cavity head of the conductive cylinder 204 through the spring 208.
The periphery of the stepped head of the conductive cylinder 204 is covered with a cylinder insulating layer 209, the conductive cylinder 204 is positioned between the jack support block 203 and the limit support block 210, a first-stage oil-filled leather bag 206 wrapping the conductive cylinder 204 is arranged, a plurality of oil-repellent through holes 217 are formed in the wall surface of each conductive cylinder 204 at intervals, a second-stage oil-filled leather bag 207 wrapping the whole first-stage oil-filled leather bag 206 is also arranged outside the first-stage oil-filled leather bag 206, two ends of the first-stage oil-filled leather bag 206 are fixedly connected with the jack support block 203 and the limit support block 210 respectively, and two ends of the second-stage oil-filled leather bag 207 are also fixedly connected with the jack support block 203 and the limit support block 210.
The head of the second shell 201 further extends outwards along the circumferential direction to form a disc-shaped flange structure 211, the side wall of the electric equipment port 213 also extends outwards along the circumferential direction to form an electric equipment connection wing plate 212, the electric equipment connection wing plate 212 is attached to the flange structure 211 and fixedly connected with the flange structure 211 through a bolt 216, an installation groove for embedding the electric equipment port 213 is formed in the limiting support block 210, the head of the conductive cylinder 204 extends into a conductive groove 214 of the electric equipment port 213 in parallel, the contact surface of the flange structure 211 and the electric equipment connection wing plate 212 and the contact surface of the limiting support block 210 and the side wall of the electric equipment port 213 are all embedded with a plurality of rubber sealing rings 215.
The diameter of the outer wall of the first shell 106 is matched with the diameter of the inner wall of the second shell 201; a plurality of water drainage through holes 107 are uniformly distributed on the outer wall of the first shell 106 along the axial direction and the circumferential direction; a plurality of pressure balance holes 205 are uniformly distributed on the outer wall of the second shell 201 along the axial direction and the circumferential direction; a guide post 118 is fixedly connected to one position of the outer wall of the head of the first casing 106, and a guide sliding groove 221 for the guide post 118 to slide is formed on the wall surface of the tail of the second casing 201.
The specific working process of the invention is as follows:
for the convenience of plugging, the head of the columnar insulator 121 is provided with a convex arc-shaped surface, the tail of the shuttle insulator 219 is provided with a concave arc-shaped surface, and the convex arc-shaped surface and the concave arc-shaped surface can be matched with each other, so that the conductive inner core 112 can smoothly enter the female socket body 2 and occupy the position of the insulating shuttle 219.
In the initial state, the male plug body 1 may be charged or uncharged, and the female socket body 2 is uncharged. The female socket body 2 is arranged in a deep sea environment along with electric equipment, the male plug body 1 and a cable connected with the male plug body are carried by a remote control unmanned underwater vehicle (ROV) manipulator to be close to the electric equipment, and finally the male plug body 1 is inserted into the female socket body 2, so that circuit communication is realized.
When the plug-in is performed, the ROV manipulator holds the male plug body 1 close to the second shell 201 of the female socket body 2, so that the guide posts 118 are aligned with the guide chutes 221 and inserted forward along the guide chutes 221. Along with the insertion, the primary locking groove 110 jacks the primary locking claw 202 outwards, the primary locking claw 202 rebounds to enter the primary locking groove 110 when the primary locking groove 110 continues to advance, the first shell 106 of the male plug body 1 is locked on the female socket body 2, the end face of the first shell 106 of the male plug body 1 and the end face of the end supporting block 108 coincide with the end face of the jack supporting block 203 at the moment, the end face of the columnar insulator 121 connected with the conductive inner core 112 coincides with the end face of the shuttle insulator 219, and seawater between contact faces is extruded out. The ROV manipulator continues to push the handle 101 forward, the elastic snap ring 115 retracts into the annular groove 123 under the external force extrusion and moves forward along with the secondary locking groove body 116, the pin supporting seat 104, the insulating packaging body 117, the conductive inner core 112 and other components, at this time, the shuttle insulator 219 retreats under the push of the conductive inner core 112, the spring 208 is gradually compressed, and the primary oil-filled bellows 206 and the secondary oil-filled bellows 207 begin to expand. When the insertion is continued, the secondary locking claw 111 is jacked up and rebounds back to enter the secondary locking groove 114, so that the components such as the secondary locking groove body 116, the pin supporting seat 104, the insulating packaging body 117, the handle 101 and the like are locked on the first shell, meanwhile, the sliding block 102 and the insulating packaging body 117 reach the position of the limiting plate 105, and the insertion process is finished. The conductive inner core 112 is in electrical communication with a crown spring 218 mounted in the conductive barrel 204. Throughout the insertion process, the charged conductive inner core 112 is always sealed and insulated, and the conductive cylinder 204 is also always sealed and insulated.
In a use state, the first-stage locking claw 202 is matched with the first-stage locking groove 110 to realize primary locking, the second-stage locking claw 111 is matched with the second-stage locking groove 114 to realize secondary locking, the male plug body 1 is firmly and reliably locked on the female socket body 2 through a two-stage locking mode, the male plug body 1 can be prevented from being separated from the female socket body 2 under the action of accidental loads, and the condition of power supply interruption is avoided.
When the two-stage locking groove is separated, the ROV manipulator drives the handle 101 to retreat, the secondary locking claw 111 is jacked up to be separated from the secondary locking groove 114 under the action of external force, the handle 101, the attached slide block 102, the insulation packaging body 117, the pin supporting seat 104, the secondary locking groove body 116, the elastic snap ring 115, the conductive inner core 112 and other components are integrally retreated, and the shuttle insulator 219 moves forward under the action of the resilience force of the spring 208. As the separation continues, as the snap ring 115 rebounds into the groove 119, the secondary locking groove 116 reaches the position of the retainer plate 105, the conductive core 112 retracts to the initial position, the shuttle insulator 219 also advances to the initial position, and the insulating package 117 and its accompanying pin support base 104, secondary locking groove 116, conductive core 112, etc. are locked to the first housing 106 again. The ROV continues to exert force, the first-stage locking claw 202 is jacked up to be disengaged from the first-stage locking groove 110, the male plug body 1 is integrally separated from the female socket body 2, and then completely separated from the female socket body 2, and the separation process is finished. Throughout the separation process, the charged conductive inner core 112 is always sealed and insulated, and the conductive cylinder 204 is also always sealed and insulated.
The total number of the secondary locking claws 111 is less than that of the primary locking claws 202, and during the separation process, the load required for separating the secondary locking claws 111 from the secondary locking grooves 114 is much less than that for separating the primary locking claws 202 from the primary locking grooves 110, so that the secondary locking claws 111 are firstly separated from the secondary locking grooves 114, and the conductive inner core 112 can continuously retreat and is continuously wrapped by the insulating sealing layer 109. The primary locking claw 202 is separated from the primary locking groove 110 until the conductive core 112 is completely withdrawn to the initial position.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (10)
1. The utility model provides a can hot plugging's wet-type electric connector under water which characterized in that: comprises a male plug body (1) and a female socket body (2);
the structure of the male plug body (1) is as follows: the locking device comprises a first shell (106), wherein the first shell (106) is of a hollow cylindrical structure with an opening at the head part, an annular primary locking groove (110) is formed in the outer wall of the head part of the first shell (106) along the circumferential direction, an end part supporting block (108) is installed on the inner wall surface of the head part of the first shell (106) in a matching mode, a pin assembly is axially arranged in the middle of the inner cavity of the first shell (106), one end of the pin assembly is connected with the end part supporting block (108) in an inserting mode, the other end of the pin assembly is located in the inner cavity of the first shell (106) in a sliding mode through a sliding locking assembly, a limiting plate (105) is further installed in the inner cavity of the first shell (106;
the structure of female socket body (2) is: the locking device comprises a second shell (201), wherein the second shell (201) is of a hollow cylindrical structure with an opening at the tail part, a limiting support block (210) is installed on the inner wall surface of the head part of the second shell (201) in a matched mode, a jack support block (203) is further installed in the inner cavity of the second shell (201), the jack support block (203) and the limiting support block (210) are arranged in parallel at intervals, a jack component is axially arranged in the middle of the inner cavity of the second shell (201), one end of the jack component is fixedly connected with the limiting support block (210), the other end of the jack component is fixedly connected with the jack support block (203), and a plurality of first-level locking claws (202) are uniformly distributed at one end, facing the tail part of the second shell (201), of the;
the primary locking claw (202) and the primary locking groove (110) are arranged oppositely, and when the head of the male plug body (1) is inserted into the female socket body (2), the primary locking claw (202) is embedded in the primary locking groove (110), so that the male plug body (1) and the female socket body (2) are locked in a sealing mode.
2. A hot pluggable underwater wet electrical connector as claimed in claim 1, wherein: the contact pin assembly comprises a plurality of conductive inner cores (112) which are circumferentially and symmetrically arranged, a plurality of first through holes (122) used for installing the conductive inner cores (112) are arranged on the end supporting block (108) in parallel, the inner wall of each first through hole (122) is attached to an insulating sealing layer (109), the head of each conductive inner core (112) extends into the first through hole (122), and a flange (1121) is formed by extending outwards along the circumferential direction, the periphery of the flange (1121) is abutted with the insulation sealing layer (109), a columnar insulator (121) is fixedly connected to the outer end face of the flange (1121), the columnar insulator (121) is coaxially arranged with the flange (1121), the diameter of the conductive inner core is the same as that of the flange (1121), the tail of the conductive inner core (112) is fixedly connected to the inside of the sliding locking assembly, and the side wall surfaces of the conductive inner core (112) positioned outside the sliding locking assembly are all covered with a peripheral insulating layer (113).
3. A hot pluggable underwater wet electrical connector as claimed in claim 1, wherein: the sliding locking assembly comprises a sliding assembly for slidably positioning the conductive inner core (112) and a locking assembly for fixing the position of the conductive inner core (112).
4. A hot pluggable underwater wet electrical connector as claimed in claim 3, wherein: the concrete structure of the sliding component is as follows: including contact pin supporting seat (104), insulating packaging body (117) and slider (102), contact pin supporting seat (104) includes wiring portion (1041), wiring portion (1041) is shaft-like structure, and wiring portion (1041) is installed in first casing (106) inner chamber middle part along the axial, and limiting plate (105) are run through to the head of wiring portion (1041) to transition portion (1042) along circumference outside extension formation pie, wiring portion (1041) and transition portion (1042) perpendicular rigid coupling and coaxial arrangement, the afterbody rigid coupling insulating packaging body (117) of wiring portion (1041), insulating packaging body (117) are the column structure, insulating packaging body (117) also with wiring portion (1041) coaxial arrangement, the outer wall of insulating packaging body (117) and the butt inner wall of first casing (106), along a set of slider (102) of radial symmetry rigid coupling on the outer wall of insulating packaging body (117), the side wall of the first shell (106) is also provided with guide grooves (103) for the sliding blocks (102) at two sides to slide along the axial direction;
a terminal (120) is further formed by extending outwards at one position of the side wall of the insulating packaging body (117), and a groove (119) for the terminal (120) to slide is formed in the first shell (106);
the tail part of the conductive inner core (112) sequentially passes through the transition part (1042), the wiring part (1041) and the insulating packaging body (117) and extends into the terminal (120).
5. A hot pluggable underwater wet electrical connector as claimed in claim 3, wherein: the specific structure of the locking assembly is as follows: including the second grade locking groove body (116) of perpendicular rigid coupling in transition portion (1042) outer wall, the second grade locking groove body (116) are the loop configuration, ring channel (123) are seted up at the periphery middle part of second grade locking groove body (116), scarf joint elastic clasp (115) in ring channel (123), set up the spacing groove that supplies elastic clasp (115) embedding on the inner wall of first casing (106), second grade locking groove body (116) set up annular second grade locking groove (114) along circumference towards the one end of tip supporting shoe (108), and tip supporting shoe (108) are towards the one end of transition portion (1042), along circumference equipartition a plurality of second grade locking claw (111), and each second grade locking claw (111) sets up with second grade locking groove (114) relatively.
6. A hot pluggable underwater wet electrical connector as claimed in claim 4 or 5, wherein: the sliding block (102) is a rectangular columnar structure which is vertically and fixedly connected with the insulating packaging body (117);
the handle (101) is used for pushing and pulling the sliding blocks (102), the handle (101) is in a -shaped structure, and two sides of the handle (101) are respectively and vertically fixedly connected with the sliding blocks (102).
7. A hot pluggable underwater wet electrical connector as claimed in claim 1, wherein: the jack assembly comprises second through holes (222) which are oppositely arranged with the first through holes (122), insulating sealing bases (220) are sleeved in the second through holes (222), the jack assembly further comprises a conductive cylinder body (204), a cavity for inserting the conductive inner core (112) is formed in the conductive cylinder body (204), the conductive cylinder body (204) and the first through holes (122) are coaxially arranged, the head of the conductive cylinder body (204) shrinks to form a step-shaped structure, the head of the step-shaped structure is inclined towards the middle of the second shell (201) and extends parallel to the head of the second shell (201), an opening is formed in the tail of the conductive cylinder body (204), the outer wall of the tail of the conductive cylinder body (204) is embedded with the insulating sealing bases (220), the inner wall of the tail of the conductive cylinder body (204) shrinks inwards along the radial direction to form a step portion, and a group of crown springs (218) are symmetrically arranged on the surface of the step portion along the radial direction, install shuttle insulator (219) in the afterbody inner chamber of conductive barrel (204), the outer wall of shuttle insulator (219) sets up annular protrusion along circumference, flexible annular protrusion and step portion joint, the head of shuttle insulator (219) passes through spring (208), and the inner chamber head elastic connection of conductive barrel (204).
8. A hot pluggable underwater wet electrical connector as claimed in claim 1, wherein: the conductive cylinder is characterized in that a cylinder insulating layer (209) covers the periphery of the stepped head of the conductive cylinder (204), a first-stage oil-filled leather bag (206) wrapping the conductive cylinder (204) is arranged on the outer side of the conductive cylinder (204) between the jack supporting block (203) and the limit supporting block (210), a plurality of oil-repellent through holes (217) are formed in the wall surface of each conductive cylinder (204) at intervals, a second-stage oil-filled leather bag (207) wrapping the whole first-stage oil-filled leather bag (206) is further arranged on the outer side of the first-stage oil-filled leather bag (206), two ends of the first-stage oil-filled leather bag (206) are fixedly connected with the jack supporting block (203) and the limit supporting block (210) respectively, and two ends of the second-stage oil-filled leather bag (207) are also fixedly connected with the jack supporting block (203).
9. A hot pluggable underwater wet electrical connector as claimed in claim 3, wherein: the head of second casing (201) still outwards extends along circumference and forms discoid flange structure (211), the lateral wall of consumer port (213) also outwards extends along circumference and forms consumer connection pterygoid lamina (212), consumer connection pterygoid lamina (212) and flange structure (211) butt joint, and through bolt (216) rigid coupling, set up the mounting groove that is used for scarf joint consumer port (213) on limit support block (210), the head of conductive barrel (204) is parallel to stretch into in conductive groove (214) of consumer port (213), flange structure (211) and the contact surface of consumer connection pterygoid lamina (212), and on the contact surface of limit support block (210) and consumer port (213) lateral wall, all inlay and establish a plurality of rubber seal (215).
10. A hot pluggable underwater wet electrical connector as claimed in claim 3, wherein: the diameter of the outer wall of the first shell (106) is matched with the diameter of the inner wall of the second shell (201);
a plurality of water drainage through holes (107) are uniformly distributed on the outer wall of the first shell (106) along the axial direction and the circumferential direction;
a plurality of pressure balance holes (205) are uniformly distributed on the outer wall of the second shell (201) along the axial direction and the circumferential direction;
a guide column (118) is fixedly connected to one position of the outer wall of the head of the first shell (106), and a guide sliding groove (221) for the guide column (118) to slide is formed in the wall surface of the tail of the second shell (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254856.7A CN111463624B (en) | 2020-04-02 | 2020-04-02 | Underwater wet-type electric connector capable of being plugged and unplugged with electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254856.7A CN111463624B (en) | 2020-04-02 | 2020-04-02 | Underwater wet-type electric connector capable of being plugged and unplugged with electricity |
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| Publication Number | Publication Date |
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| CN111463624A true CN111463624A (en) | 2020-07-28 |
| CN111463624B CN111463624B (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010254856.7A Active CN111463624B (en) | 2020-04-02 | 2020-04-02 | Underwater wet-type electric connector capable of being plugged and unplugged with electricity |
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| 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 |
| CN113708173A (en) * | 2021-08-25 | 2021-11-26 | 浙江大学 | Underwater wet-plug oil-filled pressure balance connector |
| CN113991354A (en) * | 2021-09-28 | 2022-01-28 | 中航光电科技股份有限公司 | Connector with two live-line underwater plugging-unplugging ends, plug and socket |
| CN114498163A (en) * | 2021-12-28 | 2022-05-13 | 海洋石油工程股份有限公司 | Dynamic seal pressure compensation ROV operation underwater electric connector |
| CN115000752A (en) * | 2022-06-02 | 2022-09-02 | 中国船舶科学研究中心 | High-voltage-resistant watertight cable connector with through type compensation channel |
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| CN113178738B (en) * | 2021-05-17 | 2022-04-19 | 浙江大学 | Inclined plane structure quick plug self-adaptation formula connector that bears force under water |
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| CN115000752A (en) * | 2022-06-02 | 2022-09-02 | 中国船舶科学研究中心 | High-voltage-resistant watertight cable connector with through type compensation channel |
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