CN115032748B - Magnetic type optical fiber connecting device capable of automatically carrying out underwater load rejection and use method thereof - Google Patents
Magnetic type optical fiber connecting device capable of automatically carrying out underwater load rejection and use method thereof Download PDFInfo
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- CN115032748B CN115032748B CN202210716546.1A CN202210716546A CN115032748B CN 115032748 B CN115032748 B CN 115032748B CN 202210716546 A CN202210716546 A CN 202210716546A CN 115032748 B CN115032748 B CN 115032748B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 37
- 238000011084 recovery Methods 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 13
- 238000001179 sorption measurement Methods 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims description 39
- 239000000835 fiber Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 abstract description 8
- 239000013535 sea water Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides a magnetic attraction type optical fiber connecting device capable of automatically carrying out underwater throwing and a use method thereof, wherein the magnetic attraction type optical fiber connecting device comprises an optical fiber connector, a probe rod device and a sealed cabin, and the optical fiber connector comprises: the male head is arranged on the probe rod device, and a permanent magnet is arranged in the male head; the female head is arranged at the bottom of the sealed cabin, a magnet and an electromagnetic coil are arranged in the female head, and the electromagnetic coil is wound outside the magnet; when the voltage at two ends of the electromagnetic coil is positive voltage, the electromagnetic coil magnetizes the magnet and generates a positive magnetic field, and the male head and the female head are in adsorption connection under the action of magnetic attraction; when the voltage at two ends of the electromagnetic coil is negative voltage, the magnet is demagnetized and generates a reverse magnetic field, and the male head and the female head are disconnected under the action of magnetic repulsive force. The automatic underwater throwing and loading counterweight can be achieved when the optical fiber connector is automatically disconnected, the purpose of recovering marine observation and detection equipment is achieved, the risk of underwater operation recovery equipment is further reduced, and the sea test cost is saved.
Description
Technical Field
The invention belongs to the technical field of ocean observation and detection, and particularly relates to a magnetic attraction type optical fiber connecting device capable of automatically carrying out underwater throwing and a use method thereof.
Background
The ocean underwater stereoscopic observation system refers to a network for observing the ocean in real time by means of a fixed or mobile platform based on a wired or wireless mode. Marine underwater stereoscopic viewing networks are generally divided into three parts: submarine observation network, underwater mobile observation platform, sensor and underwater stereoscopic observation information system. The ocean observation and detection equipment is mainly arranged on the ocean bottom in a fixed mode in the construction of the ocean bottom observation network, and high-resolution, large-range, all-weather, comprehensive, long-term, continuous and real-time observation is carried out aiming at the deep part of the ocean bottom crust, the ocean bottom interface, the seawater body and the sea surface. The underwater mobile observation platform mainly comprises an ROV, a manned submersible vehicle (HOV) and an Autonomous Underwater Vehicle (AUV), and carries a large number of sensor devices for dynamic mobile observation. The sensor and the underwater stereoscopic observation information system take a buoy, a submerged buoy and a seabed base observation station as main carriers, and adopt a towing mode to carry out array networking to construct the underwater stereoscopic observation system.
In the submarine observation network construction, the submarine observation and detection equipment is required to be laid and recovered by the ROV or a manned submersible vehicle (HOV) to be submerged to the seabed, so that the sea test cost is increased, and the problems of untimely equipment recovery and large underwater operation risk are solved. The traditional optical fiber connecting device adopts a buckle mode or threaded connection, cannot be automatically disconnected underwater, and is difficult to realize automatic load rejection of the counterweight and recovery of the core device.
Disclosure of Invention
Aiming at the technical problems, the invention provides the magnetic type optical fiber connecting device capable of automatically carrying out underwater throwing and the use method thereof, and the magnetic type optical fiber connecting device can realize the functions of automatic throwing and carrying of the counterweight and timed equipment recovery in a submarine observation system, is beneficial to automatic throwing and carrying of the counterweight and recovery of core devices such as a sealed cabin and the like under water, reduces the risk of recovering equipment in underwater operation, and saves the sea test cost.
In order to achieve the above object, the present invention provides a magnetic attraction type optical fiber connection device capable of automatically carrying out underwater, comprising:
the male head is arranged on the probe rod device, and a permanent magnet is arranged in the male head;
the main head is arranged at the bottom of the sealed cabin, a magnet and an electromagnetic coil are arranged in the main head, the electromagnetic coil is wound outside the magnet and is connected to a controller through a cable, and the controller is arranged in the sealed cabin and is used for applying forward voltage or reverse voltage to two ends of the electromagnetic coil;
when the voltage at two ends of the electromagnetic coil is positive voltage, the electromagnetic coil magnetizes the magnet and generates a positive magnetic field, and the male head and the female head are in adsorption connection under the action of magnetic attraction; when the voltage at two ends of the electromagnetic coil is negative voltage, the magnet is demagnetized and generates a reverse magnetic field, and the male head and the female head are disconnected under the action of magnetic repulsive force.
The magnetic type optical fiber connecting device provided by the technical scheme has the advantages of simple structure and easiness in processing, can be flexibly applied to the technical field of ocean observation and detection, and is particularly suitable for the condition of automatic weight throwing and carrying in an underwater operation environment. The permanent magnet is arranged in the male head, the magnet and the electromagnetic coil are arranged in the female head, and the voltage directions at two ends of the electromagnetic coil are controlled through the controller to magnetize and demagnetize the magnet, so that locking and disconnection between the male head and the female head are achieved, automatic underwater load-throwing balance weight is realized, the purposes of marine observation and detection equipment are achieved, the risk of underwater operation recovery equipment is further reduced, and the sea test cost is saved.
In other embodiments of the present application, the male head includes a male head housing, a first cavity is formed in the interior of the male head housing in a hollow manner, an opening is formed at one end of the male head housing, a first connection portion is provided at a closed end of the male head housing, a male head pin is provided in the first connection portion, and the permanent magnet is installed in the first cavity;
the female head comprises a female head shell, a second cavity is formed in the female head shell in a hollow mode, one end of the female head shell is open, a second connecting portion is arranged at the closed end of the female head shell, female head pins are arranged in the second connecting portion, and the magnet and the electromagnetic coil are installed in the second cavity;
when the male head and the female head are in adsorption connection, the first connecting part and the second connecting part are in clamping fit, so that the male head pin and the female head pin are in contact connection; the adsorption connection of the male head and the female head is realized through magnetic attraction, and the method is simple and convenient.
In other embodiments of the present application, the male head further includes a male head locking member, where the male head locking member is connected to an open end of the male head housing, and a male head optical cable is axially disposed through the male head locking member, and a first optical fiber extending from the male head optical cable penetrates through the permanent magnet and is connected to the male head pin, and the male head locking member is abutted to the permanent magnet;
the female head further comprises a female head locking piece, the female head locking piece is connected to the opening end of the female head shell, a third cavity is axially penetrated and arranged in the female head locking piece, a female head optical cable and the cable are arranged in the third cavity, a second optical fiber extending out of the female head optical cable penetrates through the magnet to be connected with the female head contact pin, and the female head locking piece is abutted to the magnet; in this technical scheme, the permanent magnet is fixed through public first retaining member, and magnet is fixed through female first retaining member, and is simple and convenient.
In other embodiments of the present application, the male head further includes a male head tail fiber, one end of the male head tail fiber is connected with the male head optical cable, and the other end is connected to the sensor probe of the probe rod device;
the female head further comprises a female head tail fiber and a cable tail cable which are positioned in the sealed cabin, wherein the female head tail fiber is connected with the female head optical cable, and the cable tail cable is connected with the cable.
In other embodiments of the present application, a first channel communicated with the outside is provided in the first connection portion, a second channel coaxially provided and communicated with the first channel is provided in the closed end of the male connector housing, the male connector pin is installed in the first channel, one end of the male connector pin extends into the second channel, a pin top piece with a central through hole is provided in the first cavity, one end of the pin top piece extends into the second channel to form an abutting portion, the abutting portion is abutted to the male connector pin, and the first optical fiber penetrates through the central through hole and is connected with the male connector pin.
In other embodiments of the present application, the male head further includes a limiting spring sleeved in the second channel, one end of the limiting spring is connected with the male head pin, and the other end is connected with the pin top piece; in the technical scheme, the limit spring is fixed by the pin top piece, and the limit spring can effectively prevent the damage of the male pin and the female pin in the butt joint process of the male pin and the female pin.
In other embodiments of the present application, the side wall of the second channel is provided with an internal thread, the peripheral wall of the abutting portion is provided with an external thread matched with the internal thread, and the threaded connection mode is simple and convenient to process and flexible to assemble.
In some other embodiments of the present application, the permanent magnet is cylindric, it cup joint in the outside of contact pin top piece, just the one end of permanent magnet extends to the closed end of public first casing, cylindric permanent magnet is fixed through the cooperation of public first casing and public first retaining member, and is simple and convenient, and its one end extends to the closed end of public first casing for the fixed of permanent magnet is more stable.
In other embodiments of the present application, the first connection portion includes a first circular boss and a second circular boss, the second circular boss is disposed on a top surface of the first circular boss, the male pin is disposed at a central axis of the first circular boss and the second circular boss, and a connection end of the male pin is disposed in the first circular boss
The second connecting part comprises a first groove and a second groove which are communicated, the first groove is matched with the first circular boss, the second groove is matched with the second circular boss, and the connecting end of the female pin is positioned in the second groove;
when the male head and the female head are connected in an adsorption mode, the connecting end of the male head contact pin is in contact connection with the connecting end of the female head contact pin. In the technical scheme, the male head and the female head are connected more tightly through the matching of the grooves and the round bosses.
In other embodiments of the present application, a center axis of the second cavity is provided with a center pillar, a third channel with one end open is coaxially provided on the center pillar, a fourth channel is provided at a closed end of the center pillar, a non-connection end of the female pin penetrates through the fourth channel and extends to the third channel, and the second optical fiber penetrates through the third channel and is connected with the non-connection end of the female pin.
In other embodiments of the present application, the non-connectorized end of the female pin and the second optical fiber are secured within the third channel by an adhesive.
In other embodiments of the present application, the cable is an armored cable, the female optical cable and the armored cable form an optical-electrical combination cable, and one end of the optical-electrical combination cable extends to the outside of the female housing and is fixed by a locking nut; one end of the male optical cable extends to the outside of the male shell and is fixed through vulcanization; wherein, the male optical cable and the female optical cable are armored optical cables; the armored optical cable can effectively protect the optical fiber.
In other embodiments of the present application, the male housing is screwed with the male locking member and is sealed axially by a first seal ring; the female head shell is in threaded connection with the female head locking piece, and is axially sealed through the second sealing ring, so that the assembly speed and the tightness of the male head and the female head are improved.
In other embodiments of the present application, an external thread is provided on the outer side of the male housing, and the male housing is screwed on the probe rod device; the outer side of the female locking piece is provided with an external thread, and the female locking piece is arranged at the bottom of the sealed cabin in a threaded manner and is axially sealed through a fourth sealing ring; the male head and the female head under the structure can be conveniently connected to the probe rod device and the sealed cabin, and the tightness after connection is ensured.
The invention also provides a use method of the underwater magnetic attraction type optical fiber connecting device capable of automatically throwing load, which is characterized in that: the probe rod device comprises a probe rod, a counterweight bracket and a counterweight, wherein the counterweight bracket is arranged on the probe rod, and the counterweight is arranged on the counterweight bracket; the using method comprises the following steps:
and (3) cloth placement: the controller is operated to apply forward voltage to two ends of the electromagnetic coil, the electromagnetic coil magnetizes the magnet so that a male head and a female head of the optical fiber connector are connected through magnetic attraction, and when the magnetic attraction type optical fiber connecting device is arranged underwater and the probe rod device is arranged on the seabed;
and (3) recycling: and operating the controller to apply negative voltage to two ends of the electromagnetic coil, and disconnecting the male head from the female head under the action of magnetic repulsive force, so that the counterweight, the counterweight support and the male head are automatically thrown and carried, and the sealed cabin and the female head rise to the sea surface under the action of buoyancy force, thereby realizing the recovery of the sealed cabin.
According to the technical scheme, the connection and disconnection of the optical fiber connector can be controlled through magnetic attraction and magnetic repulsion, the purposes of automatic underwater load-throwing equipment counterweight and unnecessary recovery devices are achieved, after automatic load-throwing, the sealed cabin can automatically rise to the water surface by means of buoyancy, core devices such as the sealed cabin and the like can be automatically recovered under water, the risk of underwater operation recovery equipment is reduced, and the sea test cost is saved.
Compared with the prior art, the invention has the advantages and positive effects that:
the underwater magnetic type optical fiber connecting device capable of automatically carrying out load rejection has the advantages of simple structure and easiness in processing, and can be flexibly applied to the field of ocean observation and detection. The electromagnetic coil is controlled by the controller to magnetize and demagnetize the magnet under the positive and negative voltage conditions at two ends of the electromagnetic coil, so that the locking and the disconnection between the male head and the female head are achieved, the purpose of automatically throwing the counterweight under water and recovering marine observation and detection equipment can be achieved when the electromagnetic coil is disconnected, the risk of underwater operation recovery equipment is further reduced, and the sea test cost is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of a magnetic fiber optic connector according to the present invention;
FIG. 2 is a schematic diagram of the connection of the capsule to the female of the present invention;
FIG. 3 is a cross-sectional view of a male end of the present invention;
fig. 4 is a cross-sectional view of a female of the present invention.
Wherein: a magnetic-attraction type optical fiber connecting device 100; sea water 200; a seabed 300; an optical fiber connector 10; a probe 20; a weight support 30; a counterweight 40; a sealed cabin 50; a male housing 1; a permanent magnet 11; a limit spring 12; a first connection portion 13; a first circular boss 131; a second circular boss 132; a first channel 133; a male pin 14; a second channel 15; pin header 16; an abutment portion 161; a central through hole 162; a male locking member 2; a male optical cable 21; a first optical fiber 211; a male end tail fiber 3; a female housing 4; a magnet 41; a solenoid 42; a second connection portion 44; a first groove 441; a second groove 442; female pin 45; a center post 46; a third channel 461; cement 462; a female locking member 5; a third cavity 51; a female optical cable 52; a second optical fiber 521; a cable 53; a combination cable 54; a mother head and tail fiber 6; a cable tail 7; a lock nut 8; a first seal ring 91; a second seal ring 92; a fourth seal ring 94; a fifth seal ring 95; a sixth seal ring 96; seventh seal 97.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, in an exemplary embodiment of a magnetically attractable fiber optic connection device 100 that is automatically load-throwable under water, the magnetically attractable fiber optic connection device 100 includes a fiber optic connector 10, a probe rod assembly, and a capsule 50.
Specifically, the fiber optic connector 10 includes a male and female head. The male head is arranged on the probe rod device, and a permanent magnet 11 is arranged in the male head; the female is installed at the bottom of the sealed cabin 50, and a magnet 41 and an electromagnetic coil 42 are provided in the female, the electromagnetic coil 42 is wound outside the magnet 41, and is connected to a controller through a cable 53, and the controller is provided in the sealed cabin 50 to apply a forward voltage or a reverse voltage to both ends of the electromagnetic coil 42. Preferably, the male thread in this embodiment is mounted on the probe rod device and is axially sealed by a third seal ring; the female screw is connected to the bottom of the sealed cabin 50 and is axially sealed by the fourth sealing ring 94, so that the tightness of the whole device is ensured, and seawater 200 is prevented from entering the device.
More specifically, when the voltage across the electromagnetic coil 42 is a forward voltage, the electromagnetic coil 42 magnetizes the magnet 41 and generates a forward magnetic field, and the male head and the female head are in attractive connection under the action of magnetic attraction; when the voltage across the electromagnetic coil 42 is negative, the magnet 41 demagnetizes and generates a reverse magnetic field, and the male and female heads are disconnected under the magnetic repulsive force.
The magnetic type optical fiber connection device 100 provided in the above embodiment has the advantages of simple structure and easy processing, and can be flexibly applied in the technical field of ocean observation and detection, and is particularly suitable for the situation of automatic weight throwing and carrying in an underwater operation environment. In this embodiment, the permanent magnet 11 is arranged inside the male head, the magnet 41 and the electromagnetic coil 42 are arranged inside the female head, and the voltage direction at two ends of the electromagnetic coil 42 is controlled by the controller to magnetize and demagnetize the magnet 41, so that locking and disconnection between the male head and the female head are achieved, the purposes of automatically throwing the counterweight underwater, recovering ocean observation and detection equipment are achieved, the risk of underwater operation recovery equipment is further reduced, and sea test cost is saved.
Referring to fig. 3, the male comprises a male housing 1, a first cavity is hollow in the male housing 1, one end of the male housing is open, a first connecting portion 13 is arranged at the closed end of the male housing, a male pin 14 is arranged in the first connecting portion 13, and a permanent magnet 11 is installed in the first cavity; the female head comprises a female head shell 4, a second cavity is formed in the female head shell 4 in a hollow mode, one end of the female head shell is open, a second connecting portion 44 is arranged at the closed end of the female head shell, female head pins 45 are arranged in the second connecting portion 44, and the magnet 41 and the electromagnetic coil 42 are installed in the second cavity. Specifically, when the male and female heads are in adsorption connection, the first connecting portion 13 and the second connecting portion 44 are in clamping fit, so that the male pin 14 is in contact connection with the female pin 45, namely, adsorption connection of the male and female heads is realized through magnetic attraction, and the method is simple and convenient. Preferably, in this embodiment, the first connecting portion 13 is sealed with the second connecting portion 44 by the fifth sealing ring 95, so as to improve the connection tightness between the male and female connectors and prevent the seawater 200 from entering the optical fiber connector 10.
Further, referring to fig. 2 to 4, the male further includes a male locking member 2, where the male locking member 2 is connected to the open end of the male housing 1, and a male optical cable 21 is axially disposed through the male locking member 2, and a first optical fiber 211 extending from the male optical cable 21 penetrates through the permanent magnet 11 to be connected to the male pin 14, and the male locking member 2 abuts against the permanent magnet 11; the female further comprises a female locking member 5, the female locking member 5 is connected to the open end of the female housing 4, a third cavity 51 is axially penetrated and arranged in the female locking member 5, a female optical cable 52 and an electric cable 53 are arranged in the third cavity 51, a second optical fiber 521 extending from the female optical cable 52 penetrates through the magnet 41 to be connected with the female pin 45, and the female locking member 5 is abutted against the magnet 41. Preferably, an external thread is arranged on the outer side of the male head shell 1, an internal thread hole matched with the external thread is arranged on the probe rod device, and the male head shell 1 is in threaded connection with the probe rod device; the outside of female locking piece 5 is provided with the external screw thread, and the bottom of sealed cabin 50 is provided with the internal thread hole that matches with this external screw thread, and female locking piece 5 screw thread installs in the bottom of sealed cabin 50.
In this embodiment, the permanent magnet 11 is fixed by the male locking member 2, and the magnet 41 is fixed by the female locking member 5, which is simple and convenient. Preferably, the male housing 1 is screwed with the male locking member 2 and is axially sealed by a first seal ring 91; the female housing 4 is in threaded connection with the female locking piece 5, and is axially sealed through the second sealing ring 92, so that the assembly speed and the tightness of the male and female are improved.
Further, with continued reference to fig. 3, the male head further includes a male head tail fiber 3, one end of the male head tail fiber 3 is connected with the male head optical cable 21, and the other end is connected to a sensor probe of the probe rod device; the female further comprises a female pigtail 6 and a cable pigtail 7 in the sealed cabin 50, the female pigtail 6 is connected with a female optical cable 52, and the cable pigtail 7 is connected with a cable 53. In this embodiment, the voltage at the two ends of the electromagnetic coil 42 can be controlled by controlling the voltage at the two ends of the cable tail cable 7 through the controller, which is simple and convenient.
Specifically, referring to fig. 3, a first channel 133 communicating with the outside is provided in the first connection portion 13, a second channel 15 coaxially provided and communicating with the first channel 133 is provided in the closed end of the male housing 1, the male pin 14 is mounted in the first channel 133 and has one end extending into the second channel 15, a pin header 16 having a central through hole 162 is provided in the first cavity, one end of the pin header 16 extends into the second channel 15 to form an abutting portion 161, the abutting portion 161 abuts against the male pin 14, and the first optical fiber 211 penetrates through the central through hole 162 and is connected to the male pin 14. Further, the second channel 15 is internally sleeved with a limiting spring 12, one end of the limiting spring 12 is connected with the male pin 14, and the other end is connected with the pin top piece 16. In this embodiment, the limiting spring 12 is fixed by the pin top piece 16, and damage to the male pin 14 and the female pin 45 in the process of butt joint of the male and female pins can be effectively prevented by the limiting spring 12. In this embodiment, the male pin 14 is mounted in the first channel 133, and is radially sealed by the sixth seal ring 96, so that the seawater 200 is effectively prevented from flowing into the male pin from the first channel 133.
Preferably, the pin header 16 is threadably coupled to the male housing 1. Specifically, the side wall of the second channel 15 is provided with an internal thread, and the outer peripheral wall of the abutting portion 161 is provided with an external thread matching the internal thread, so that the threaded connection is simple and convenient to process, and the assembly is flexible.
Further, referring to fig. 3, the permanent magnet 11 is cylindrical, and is sleeved on the outer side of the pin top piece 16, and one end of the permanent magnet 11 extends to the closed end of the male housing 1, the cylindrical permanent magnet 11 is fixed through the cooperation of the male housing 1 and the male locking piece 2, and is simple and convenient, and one end of the cylindrical permanent magnet extends to the closed end of the male housing 1, so that the permanent magnet 11 is fixed more stably.
Referring to fig. 3, in the present embodiment, the first connection portion 13 includes a first circular boss 131 and a second circular boss 132 protruding outwards, the second circular boss 132 is disposed on the top surface of the first circular boss 131, the male pin 14 is disposed at the central axes of the first circular boss 131 and the second circular boss 132, and the connection end of the male pin 14 is located in the first circular boss 131; the second connecting portion 44 includes a first groove 441 and a second groove 442 that are concavely arranged and are communicated, the first groove 441 is matched with the first circular boss 131, the second groove 442 is matched with the second circular boss 132, and the connecting end of the female pin 45 is located in the second groove 442; when the male and female heads are in adsorption connection, the connection end of the male pin 14 is in contact connection with the connection end of the female pin 45, and the male and female heads are connected more tightly through the cooperation of the grooves and the circular bosses.
Further, referring to fig. 4, a center shaft 46 is disposed at a center axis of the second cavity, a third channel 461 with an opening is coaxially disposed on the center shaft 46, a fourth channel is opened at a closed end of the center shaft 46, a non-connection end of the female pin 45 penetrates through the fourth channel and extends to the third channel 461, the second optical fiber 521 penetrates through the third channel 461 to be connected with a non-connection end of the female pin 45, preferably, the non-connection end of the female pin 45 and the second optical fiber 521 are fixed in the third channel 461 by a cementing agent 462, and the female pin 45 and the fourth channel are radially sealed by a seventh sealing ring 97 to prevent seawater 200 from entering the female. In this embodiment, the connection end of the male pin 14 refers to the end that contacts the female pin 45, the connection end of the female pin 45 refers to the end that contacts the male pin 14, and the non-connection end of the female pin 45 is the end that is not connected to the male pin 14.
In the above embodiment, the cable 53 is an armored cable, the female optical cable 52 and the armored cable form the photoelectric combination cable 54, and one end of the photoelectric combination cable 54 extends to the outside of the female housing 4 and is fixed by the lock nut 8, so that the female optical cable 52 and the cable 53 in the female are prevented from being damaged due to excessive external tension. One end of the male optical cable 21 extends to the outside of the male housing 1 and is fixed by vulcanization, and also prevents external force from pulling and damaging the male optical cable 21 inside the male. Preferably, the male optical cable 21 and the female optical cable 52 are armored optical cables, and the armored optical cables can effectively protect optical fibers.
Referring to fig. 1, the probe rod device includes a probe rod 20, a weight support 30 and a weight 40, the weight support 30 is mounted on the probe rod 20, the weight 40 is disposed on the weight support 30, when the underwater magnetic type optical fiber connection device 100 capable of being automatically thrown and carried is used, the whole device is disposed in sea water 200, the probe rod 20 is inserted into a seabed 300 at the lower end of the probe rod 20 under the pressure of the weight 40, the structure of the probe 20 and the detection of the water pressure of a submarine aperture by using the probe 20 are the prior art, and detailed description is omitted herein. The probe 20 is preferably welded to the weight support 30.
The invention also provides a use method of the underwater automatic load-throwing magnetic type optical fiber connecting device, which comprises the following steps:
and (3) cloth placement: the controller is operated to apply forward voltage to two ends of the electromagnetic coil, the electromagnetic coil magnetizes the magnet so that a male head and a female head of the optical fiber connector are connected through magnetic attraction, and when the magnetic attraction type optical fiber connecting device is arranged underwater and the probe rod device is arranged on the seabed;
and (3) recycling: the operation controller applies negative voltage to the two ends of the electromagnetic coil 42, and the male head and the female head are disconnected under the action of magnetic repulsive force, so that the counterweight 40, the counterweight support 30 and the male head are automatically thrown and carried, the sealed cabin 50 and the female head rise to the sea surface under the action of buoyancy, and recovery of the sealed cabin 50 is realized.
According to the application method provided by the embodiment, the voltage at the two ends of the electromagnetic coil 42 can be controlled through the operation controller, so that the connection and disconnection of the optical fiber connector 10 can be controlled through the magnetic attraction force and the magnetic repulsion force, the purposes of automatic underwater load-throwing equipment counterweight and unnecessary recovery devices are achieved, after automatic load throwing, the sealed cabin 50 can automatically rise to the water surface by means of buoyancy, the automatic underwater recovery of the core devices such as the sealed cabin 50 is facilitated, the risk of underwater operation recovery equipment is reduced, and the sea test cost is saved.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (11)
1. The utility model provides a but magnetic attraction type optical fiber connection device of automatic throwing of water carries, its characterized in that includes optical fiber connector, probe rod device and sealed cabin, optical fiber connector includes:
the male head is arranged on the probe rod device, and a permanent magnet is arranged in the male head;
the main head is arranged at the bottom of the sealed cabin, a magnet and an electromagnetic coil are arranged in the main head, the electromagnetic coil is wound outside the magnet and is connected to a controller through a cable, and the controller is arranged in the sealed cabin and is used for applying forward voltage or reverse voltage to two ends of the electromagnetic coil;
when the voltage at two ends of the electromagnetic coil is positive voltage, the electromagnetic coil magnetizes the magnet and generates a positive magnetic field, and the male head and the female head are in adsorption connection under the action of magnetic attraction; when the voltage at two ends of the electromagnetic coil is negative voltage, the magnet is demagnetized and generates a reverse magnetic field, and the male head and the female head are disconnected under the action of magnetic repulsive force;
the male comprises a male shell, a first cavity is formed in the interior of the male shell in a hollow mode, one end of the male shell is open, a first connecting portion is arranged at the closed end of the male shell, a male pin is arranged in the first connecting portion, and the permanent magnet is installed in the first cavity;
the female head comprises a female head shell, a second cavity is formed in the female head shell in a hollow mode, one end of the female head shell is open, a second connecting portion is arranged at the closed end of the female head shell, female head pins are arranged in the second connecting portion, and the magnet and the electromagnetic coil are installed in the second cavity;
when the male head and the female head are in adsorption connection, the first connecting part and the second connecting part are in clamping fit, so that the male head pin and the female head pin are in contact connection;
the male head further comprises a male head locking piece, the male head locking piece is connected to the opening end of the male head shell, a male head optical cable is axially arranged in the male head locking piece in a penetrating mode, a first optical fiber extending out of the male head optical cable penetrates through the permanent magnet to be connected with the male head pin, and the male head locking piece is abutted to the permanent magnet;
the female head further comprises a female head locking piece, the female head locking piece is connected to the opening end of the female head shell, a third cavity is axially penetrated and arranged in the female head locking piece, a female head optical cable and the cable are arranged in the third cavity, a second optical fiber extending out of the female head optical cable penetrates through the magnet to be connected with the female head contact pin, and the female head locking piece is abutted to the magnet;
the first cavity is internally provided with a pin top piece with a central through hole, the permanent magnet is cylindrical and sleeved on the outer side of the pin top piece, one end of the permanent magnet extends to the closed end of the male head shell, and the first optical fiber penetrates through the central through hole and is connected with the male head pin;
the probe rod device comprises a probe rod, a counterweight bracket and a counterweight, wherein the counterweight bracket is arranged on the probe rod, and the counterweight is arranged on the counterweight bracket;
the application steps comprise:
and (3) cloth placement: the controller is operated to apply forward voltage to two ends of the electromagnetic coil, the electromagnetic coil magnetizes the magnet so that a male head and a female head of the optical fiber connector are connected through magnetic attraction, the magnetic attraction type optical fiber connecting device is arranged underwater, and the probe rod device is arranged to penetrate into the seabed;
and (3) recycling: and operating the controller to apply negative voltage to two ends of the electromagnetic coil, and disconnecting the male head from the female head under the action of magnetic repulsive force, so that the counterweight, the counterweight support and the male head are automatically thrown and carried, and the sealed cabin and the female head rise to the sea surface under the action of buoyancy force, thereby realizing the recovery of the sealed cabin.
2. The underwater automatically load-rejection magnetic type optical fiber connecting device according to claim 1, wherein,
the male head further comprises a male head tail fiber, one end of the male head tail fiber is connected with the male head optical cable, and the other end of the male head tail fiber is connected to the sensor probe of the probe rod device;
the female head further comprises a female head tail fiber and a cable tail cable which are positioned in the sealed cabin, wherein the female head tail fiber is connected with the female head optical cable, and the cable tail cable is connected with the cable.
3. The underwater automatic load-throwing magnetic type optical fiber connecting device of claim 1, wherein a first channel communicated with the outside is arranged in the first connecting part, a second channel which is coaxially arranged and communicated with the first channel is arranged in the closed end of the male head shell, the male head pin is arranged in the first channel, one end of the male head pin extends into the second channel, one end of the pin top piece extends into the second channel to form an abutting part, and the abutting part abuts against the male head pin.
4. The underwater automatically load-rejection magnetic type optical fiber connection device according to claim 3, wherein the male head further comprises a limit spring sleeved in the second channel, one end of the limit spring is connected with the male head pin, and the other end of the limit spring is connected with the pin top piece.
5. The underwater automatically load-rejection magnetic type optical fiber connection device according to claim 3, wherein the side wall of the second channel is provided with an internal thread, and the outer peripheral wall of the abutting part is provided with an external thread matched with the internal thread.
6. The underwater automatically load-rejection magnetic type optical fiber connecting device according to claim 1, wherein,
the first connecting part comprises a first circular boss and a second circular boss which are outwards protruded, the second circular boss is arranged on the top surface of the first circular boss, the male pin is arranged at the central axis of the first circular boss and the central axis of the second circular boss, and the connecting end of the male pin is positioned in the first circular boss;
the second connecting part comprises a first groove and a second groove which are concavely arranged inwards and are communicated, the first groove is matched with the first circular boss, the second groove is matched with the second circular boss, and the connecting end of the female pin is positioned in the second groove;
when the male head and the female head are connected in an adsorption mode, the connecting end of the male head contact pin is in contact connection with the connecting end of the female head contact pin.
7. The underwater automatically load-rejection magnetic type optical fiber connection device according to claim 6, wherein a center column is arranged at the center axis of the second cavity, a third channel with one open end is coaxially arranged on the center column, a fourth channel is arranged at the closed end of the center column, the non-connection end of the female pin penetrates through the fourth channel and extends to the third channel, and the second optical fiber penetrates through the third channel and is connected with the non-connection end of the female pin.
8. The underwater automatically load-rejection magnetic fiber optic connector of claim 7, wherein the non-connectorized end of the female pin and the second optical fiber are secured in the third channel by an adhesive.
9. The underwater automatically load-rejection magnetic type optical fiber connecting device according to claim 1, wherein,
the cable is an armored cable, the female optical cable and the armored cable form an optical-electrical combination cable, and one end of the optical-electrical combination cable extends to the outside of the female shell and is fixed through a locking nut;
one end of the male optical cable extends to the outside of the male shell and is fixed through vulcanization;
wherein, public first optical cable with female first optical cable is the armor optical cable.
10. The underwater automatically load-rejection magnetic type optical fiber connecting device according to claim 1, wherein the male housing is in threaded connection with the male locking member and is axially sealed by a first sealing ring; the female head shell is in threaded connection with the female head locking piece and is axially sealed through a second sealing ring.
11. The underwater automatic load rejection magnetic type optical fiber connection device according to claim 1, wherein an external thread is arranged on the outer side of the male housing, and the male housing is installed on the probe rod device through the thread; the outer side of the female head locking piece is provided with external threads, and the female head locking piece is installed at the bottom of the sealed cabin in a threaded manner and is axially sealed through a fourth sealing ring.
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| CN202210716546.1A CN115032748B (en) | 2022-06-23 | 2022-06-23 | Magnetic type optical fiber connecting device capable of automatically carrying out underwater load rejection and use method thereof |
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| CN202210716546.1A CN115032748B (en) | 2022-06-23 | 2022-06-23 | Magnetic type optical fiber connecting device capable of automatically carrying out underwater load rejection and use method thereof |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789937A (en) * | 2014-03-04 | 2014-05-14 | 新杰克缝纫机股份有限公司 | Electromagnetic type rapid separation and attraction connector of clothes template |
| CN104875866A (en) * | 2015-05-14 | 2015-09-02 | 中国海洋大学 | Underwater electric control release device |
| CN105644743A (en) * | 2014-11-10 | 2016-06-08 | 中国科学院沈阳自动化研究所 | Long-term fixed-point observation type underwater robot with three-body configuration |
| CN107221775A (en) * | 2017-07-05 | 2017-09-29 | 商洛市虎之翼科技有限公司 | A kind of magnetic-type attachment structure |
| CN108045530A (en) * | 2017-12-04 | 2018-05-18 | 国网山东省电力公司电力科学研究院 | A kind of submarine cable detection underwater robot and operational method |
| CN109018258A (en) * | 2018-06-20 | 2018-12-18 | 中国海洋大学 | A kind of underwater multistage jettison system and throw support method |
| CN109443322A (en) * | 2018-10-16 | 2019-03-08 | 中国海洋大学 | The automatic extension bar method in seabed and automatic recycling separation feeler lever method |
| CN110117951A (en) * | 2019-05-15 | 2019-08-13 | 中国海洋大学 | A kind of seabed static(al) perforation device and injection method based on oceanographic observation feeler lever |
| CN110272000A (en) * | 2019-06-17 | 2019-09-24 | 杭州电子科技大学 | A kind of underwater promptly release beacon apparatus and method |
| CN111342296A (en) * | 2019-05-07 | 2020-06-26 | 上海航天科工电器研究院有限公司 | Underwater electromagnetic drop connector |
| CN212648617U (en) * | 2020-08-31 | 2021-03-02 | 东莞市隆宏五金科技有限公司 | Formula connecting piece is inhaled to charging wire magnetism |
| CN112606954A (en) * | 2020-12-25 | 2021-04-06 | 广东海洋大学 | Submerged buoy with data recovery instrument and recovery method thereof |
| CN113415399A (en) * | 2021-05-19 | 2021-09-21 | 福建华电可门发电有限公司 | Be applied to small-size landing come-up type of circulating water detection and survey device under water |
| CN114061664A (en) * | 2021-11-19 | 2022-02-18 | 中国海洋大学 | Submarine pore water multi-parameter in-situ observation probe rod and method based on fiber bragg grating |
-
2022
- 2022-06-23 CN CN202210716546.1A patent/CN115032748B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789937A (en) * | 2014-03-04 | 2014-05-14 | 新杰克缝纫机股份有限公司 | Electromagnetic type rapid separation and attraction connector of clothes template |
| CN105644743A (en) * | 2014-11-10 | 2016-06-08 | 中国科学院沈阳自动化研究所 | Long-term fixed-point observation type underwater robot with three-body configuration |
| CN104875866A (en) * | 2015-05-14 | 2015-09-02 | 中国海洋大学 | Underwater electric control release device |
| CN107221775A (en) * | 2017-07-05 | 2017-09-29 | 商洛市虎之翼科技有限公司 | A kind of magnetic-type attachment structure |
| CN108045530A (en) * | 2017-12-04 | 2018-05-18 | 国网山东省电力公司电力科学研究院 | A kind of submarine cable detection underwater robot and operational method |
| CN109018258A (en) * | 2018-06-20 | 2018-12-18 | 中国海洋大学 | A kind of underwater multistage jettison system and throw support method |
| CN109443322A (en) * | 2018-10-16 | 2019-03-08 | 中国海洋大学 | The automatic extension bar method in seabed and automatic recycling separation feeler lever method |
| CN111342296A (en) * | 2019-05-07 | 2020-06-26 | 上海航天科工电器研究院有限公司 | Underwater electromagnetic drop connector |
| CN110117951A (en) * | 2019-05-15 | 2019-08-13 | 中国海洋大学 | A kind of seabed static(al) perforation device and injection method based on oceanographic observation feeler lever |
| CN110272000A (en) * | 2019-06-17 | 2019-09-24 | 杭州电子科技大学 | A kind of underwater promptly release beacon apparatus and method |
| CN212648617U (en) * | 2020-08-31 | 2021-03-02 | 东莞市隆宏五金科技有限公司 | Formula connecting piece is inhaled to charging wire magnetism |
| CN112606954A (en) * | 2020-12-25 | 2021-04-06 | 广东海洋大学 | Submerged buoy with data recovery instrument and recovery method thereof |
| CN113415399A (en) * | 2021-05-19 | 2021-09-21 | 福建华电可门发电有限公司 | Be applied to small-size landing come-up type of circulating water detection and survey device under water |
| CN114061664A (en) * | 2021-11-19 | 2022-02-18 | 中国海洋大学 | Submarine pore water multi-parameter in-situ observation probe rod and method based on fiber bragg grating |
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