Photoelectric towing device

Abstract

The invention discloses a photoelectric towing device, belongs to the field of ocean detection equipment, solves the problem of poor tensile property of an ocean towing system, and adopts the technical scheme that the photoelectric towing device mainly comprises a connecting socket, a cable assembly, a plurality of towing assemblies and a locking assembly, each towing assembly comprises a male end coupling piece, a connecting pipe and a female end coupling piece, the two ends of the connecting pipe are connected with the opposite ends of the male-end coupling piece and the female-end coupling piece in a sealed mode respectively, a pulling rope is connected between the male-end coupling piece and the female-end coupling piece, the length of the pulling rope is smaller than that of the connecting pipe, the pulling rope is located in the connecting pipe, and the two adjacent dragging assemblies are connected in a sealed and inserted mode through the male-end coupling piece and the female-end coupling piece. The peripheral side of the male end coupling piece and the peripheral side of the female end coupling piece are each provided with a protruding ring, and the locking assembly sleeves the two protruding rings and acts on the two protruding rings to limit the two protruding rings to be separated from each other. The device can be remarkably improved mainly through the locking assembly and the traction rope.

Description

Technical Field

[0001] This invention demonstrates an optoelectronic towing device, belonging to the technical field of marine exploration equipment. Background Technology

[0002] Marine towed systems are efficient and reliable marine exploration systems, widely used in target detection, anti-submarine warfare, marine resource exploration, underwater sonar detection and many other fields. As the depth of ocean exploration increases, marine towed systems play an increasingly important role, and the requirements for rapid deployment and reliable operation of marine towed systems are becoming increasingly stringent.

[0003] Marine towed systems are typically several kilometers long. Due to limitations in production and assembly conditions, they are usually assembled from several towed components. Each towed component is electrically connected to transmit optical and electrical signals. During use, marine towed systems need to withstand enormous tensile tests caused by the combined effects of wind, waves, winch deployment and retrieval, and their own weight. Existing marine towed systems achieve tensile strength through threaded connections. However, using threaded connections to withstand tensile strength results in lower tensile performance, thus requiring a larger radial dimension. In harsh marine environments, this can easily lead to risks such as loosening. Summary of the Invention

[0004] The purpose of this invention is to solve the problem of poor tensile strength of existing marine towing systems. To this end, an optoelectronic towing device is provided, which can significantly improve the tensile strength through locking components and traction ropes.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A photoelectric towing device includes a connection socket, a cable assembly, several interlocking towing components, and a locking assembly fitted at the insertion points of two towing components. The cable assembly connects to the towing components and the connection socket at both ends. Each towing component includes a male coupling element, a connecting tube, and a female coupling element. Both the male and female coupling elements include a housing, a photoelectric unit, and a tail cover. The photoelectric unit is sealed and assembled inside the housing, forming a coupling end at one end of the housing. The tail cover is sealed to the other end of the housing. Both ends of the connecting tube are sealed to the tail covers of the male and female coupling elements, respectively. A traction rope connects the male and female coupling elements, with the rope being shorter than the connecting tube and located inside it. Adjacent towing components are sealed and inserted through the male and female coupling elements. The insertion of the two coupling ends enables the transmission of optical and electrical signals between the two photoelectric units. Both the male and female coupling elements have protruding rings on their outer periphery. The locking assembly fits the two protruding rings and acts on them to prevent separation.

[0006] The beneficial effects of using the present invention are: The towing assembly described in this invention includes a male coupling member, a connecting pipe, and a female coupling member. Two adjacent towing assemblies are sealed together via the male and female coupling members. Both the male and female coupling members have protruding rings on their outer peripheries. A locking assembly fits around these two protruding rings and acts on them to prevent separation. When the two towing assemblies are subjected to a force that causes them to separate, the locking assembly generates an axial restraining force on the male and female coupling members through the protruding rings, thus preventing separation and improving the connection stability between adjacent towing assemblies. Furthermore, since the locking assembly fits around the outer periphery of the towing assembly, it is less prone to automatic unlocking due to external forces, making the locking of the towing assembly more stable and reliable. Moreover, when the towing assembly is subjected to an axial force, the locking assembly can share more of the force, effectively reducing the stress on the connection point between the two towing assemblies. Therefore, the strength requirements for the towing assembly's connector are relatively low, eliminating the need to increase the radial dimension to provide strength. This allows the towing assembly to maintain a smaller radial dimension, reducing its overall weight and noise and drag during underwater towing. This also facilitates rapid deployment, retrieval, and cable coiling. Furthermore, the male and female coupling components within the same towing assembly are connected by a traction rope, the length of which is less than the length of the connecting tube. When the towing assembly is straightened by external force, the traction rope exerts tension on the male and female coupling components to counteract the force, while the connecting tube does not fully straighten. Consequently, the external force at the connection points between the connecting tube and the male and female coupling components is smaller, reducing the likelihood of the connecting tube detaching from them. This allows the towing assembly to withstand greater external forces and exhibit better tensile strength.

[0007] Furthermore, the photoelectric unit is fixed inside the housing and forms a coupling end at one end of the housing. The tail cover seals the other end of the housing. Adjacent towing assemblies are sealed and plugged in through the coupling ends of the male and female coupling components, thus sealing both ends of the housing and improving the sealing performance of the towing assembly. Secondly, the photoelectric unit modularizes the optical fibers and electrical wires inside the towing assembly, enabling rapid assembly of the photoelectric unit and further accelerating the assembly speed of the towing assembly. Thirdly, the plug-in connection between adjacent towing assemblies reduces the assembly difficulty of the overall towing system and improves the assembly efficiency. At the same time, when the photoelectric unit fails, the plugged towing assembly can be separated by external force, and the entire photoelectric unit can be removed after removing the tail cover, facilitating on-site replacement of the photoelectric unit. This enables rapid replacement and repair of the photoelectric unit, improving the maintainability of the towing assembly and reducing subsequent maintenance costs and time.

[0008] Preferably, both the male and female coupling components include a housing, a photoelectric unit, and a tail cover. The housing extends axially and includes a front end and a tail end. The photoelectric unit is installed inside the housing and forms a coupling end at the front end of the housing. Two adjacent towing components are connected to each other through the coupling end. The tail cover is sealed to the tail end of the housing, and the traction rope is connected between the two tail covers.

[0009] Preferably, the female coupling member has a connecting sleeve at its front end for the male coupling member to be inserted into, and a first sealing element is provided on the outer periphery of the front end of the male coupling member's housing. The first sealing element and the connecting sleeve are sealed together to achieve a sealed connection between the female and male coupling members. By adopting the aforementioned technical solution, the sealed connection between the male and female coupling members is achieved through the sealing cooperation between the first sealing element and the connecting sleeve, reducing the sealing difficulty between two adjacent towing assemblies and significantly improving the assembly efficiency of the towing assemblies to meet the needs of rapid deployment.

[0010] Preferably, the connecting sleeve includes a guide section and a plug-in section. The guide section is formed at the end of the connecting sleeve away from the photoelectric unit, and the inner diameter of the guide section is larger than the inner diameter of the plug-in section. The first sealing member is in a sealing fit with the inner wall of the plug-in section. Using the aforementioned technical solution, the guide section can guide the male coupling member into the connecting sleeve, reducing the difficulty of plugging the male coupling member and the female coupling member, increasing the success rate of plugging the male coupling member and the female coupling member, and thus improving the assembly efficiency of the towing assembly.

[0011] Preferably, the connection between the guide segment and the plug segment is a smooth transition. This technical solution prevents damage to the first seal at the connection between the guide segment and the plug segment, resulting in a smoother and more seamless connection between the male and female coupling components.

[0012] Preferably, the male end coupling member has a convex ring close to the front end of the housing, the connecting sleeve is the convex ring of the female end coupling member, the outer diameter of the connecting sleeve is larger than the outer diameter of the housing, and the locking component acts on the two opposite sides of the two convex rings to restrict the two convex rings from separating from each other.

[0013] Preferably, the locking assembly includes interlocking locking buckles, each with positioning protrusions at both ends in the axial direction. When the locking assembly clamps onto the insertion point of the male and female coupling components, the two protruding rings are confined between the two positioning protrusions. Using the aforementioned technical solution, with the two protruding rings confined between the two positioning protrusions, when the two connected towing components are subjected to a force causing them to separate, the positioning protrusions of the locking buckle can limit the separation of the two protruding rings, thereby ensuring a reliable connection between the towing components and significantly improving their tensile strength.

[0014] Preferably, the outer surface of the housing of the male coupling member is provided with a protrusion, and the connecting sleeve is provided with a positioning groove opened along the axial direction. The protrusion extends into the positioning groove to achieve an anti-rotation fit after the male coupling member and the female coupling member are inserted. By adopting the aforementioned technical solution, the protrusion and the positioning groove cooperate with each other to limit the mutual rotation of the male coupling member and the female coupling member, reducing the possibility of damage to the first seal and the locking buckle due to friction.

[0015] Preferably, the end face of the tail cover facing away from the front end of the housing is provided with a tensile hole, and one end of the traction rope is locked in the tensile hole by a fastener.

[0016] Preferably, the optoelectronic unit includes a support sleeve, an optical fiber sintering assembly disposed within the support sleeve, a coupling seat and an electric sintering assembly connected to both ends of the support sleeve, the coupling seat forming a coupling end at the end of the housing, the electric sintering assembly sealingly fitting with the housing, and both ends of the optical fiber sintering assembly being fixed within the coupling seat and the electric sintering assembly, respectively.

[0017] Preferably, the optical fiber sintering assembly includes an optical fiber sintered body, an optical fiber strip, and a ferrule. The optical fiber strip connects the optical fiber sintered body and the ferrule. The sintered assembly has mounting holes, and the optical fiber sintered body is sealed to the mounting holes. The end of the optical fiber sintered body away from the ferrule extends into the tail cover, and the ferrule is fixed in the coupling seat. Using the aforementioned technical solution, the ferrule of the optical fiber sintered assembly is fixed in the coupling seat. Adjacent towing assemblies are connected by interlocking the ferrules, making the connection structure of the optical fiber sintered assembly simpler and more reliable. This allows for quick insertion and removal, significantly reduces the assembly time of the towing assemblies, and meets the requirements for rapid deployment of towing assemblies.

[0018] Preferably, the coupling base has a socket for installing ferrules, and an end cap is fitted at the end of the coupling base near the electro-sintering assembly. The end cap has a through hole for the fiber optic strip to pass through, and the end cap extends into the socket to prevent the ferrule from detaching from the socket. Using the aforementioned technical solution, the end cap can position the ferrules, ensuring that the two ferrules can be inserted into place, so that the drag assembly can maintain a reliable and effective connection, achieving reliable transmission of fiber optic signals.

[0019] Preferably, the optical fiber is formed by stripping, gold plating, and then sintering. Using the aforementioned technical solution, sintering the optical fiber after gold plating achieves sealing, miniaturization of the fiber size, and the transmission of more optical fiber signals, thus meeting the signal transmission requirements of the towing system. It also reduces the diameter of the towing assembly, decreasing noise and drag during underwater towing, and facilitating rapid deployment, retrieval, and cable coiling of the towing assembly.

[0020] Preferably, the cable assembly includes a cable and a socket and a plug respectively connected to both ends of the cable. The socket is sealed and plugged into one end of the towing assembly, the plug is plugged into the connecting socket, and a locking component is fitted at the connection between the socket and the towing assembly.

[0021] Other features and advantages of the present invention will be disclosed in detail in the following detailed description and accompanying drawings. Attached Figure Description

[0022] The invention will be further described below with reference to the accompanying drawings: Figure 1 This is an exploded view of the photoelectric towing device of the present invention; Figure 2 This is an exploded view showing the connection between two adjacent towing components in the photoelectric towing device of the present invention. Figure 3 This is an exploded view of the locking component in the photoelectric towing device of the present invention. Figure 4 This is an exploded view of the towing component in the photoelectric towing device of the present invention; Figure 5 This is a partial cross-sectional view of the male coupling component in the photoelectric towing device of the present invention; Figure 6 This is a partial cross-sectional view of the female end coupling component in the photoelectric towing device of the present invention; Figure 7 This is a partial cross-sectional view of the cable assembly in the photoelectric towing device of the present invention.

[0023] Reference numerals: 1. Towing assembly; 11. Connecting pipe; 111. Clamping ring; 112. Traction rope; 12. Male coupling element; 121. Protrusion; 122. First seal; 13. Female coupling element; 131. Connecting sleeve; 1311. Insertion section; 1312. Guide section; 1313. Positioning groove; 14. Housing; 141. Protruding ring; 151. Coupling seat; 1511. End cap; 1512. Pin; 1513. Guide post; 152. Support sleeve; 153. Electro-sintered assembly; 1531. Mounting hole; 1532. Second seal; 1533. Electrical conductor; 1541. Optical fiber sintered body; 1542. Optical fiber... 1. Fiber optic cable; 1543. Insert; 1545. Third seal; 155. Cover plate; 156. Snap ring; 16. Tail cover; 161. Tensile hole; 162. Clamping rib groove; 163. Fourth seal; 164. Oil injection channel; 1641. Oil injection port; 165. Oil injection valve; 166. Sealing plug; 2. Locking assembly; 21. Positioning protrusion; 22. Groove; 23. Threaded hole; 24. Fastener; 3. Cable assembly; 31. Cable; 32. Socket; 321. Socket housing; 322. Cable cover; 323. Neoprene rubber; 324. Fixing clip; 325. Locking cover; 33. Plug; 4. Connecting socket. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present invention and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present invention.

[0025] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0026] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0027] like Figures 1 to 7As shown in the figure, this embodiment illustrates a photoelectric towing device, including a connection socket 4, a cable assembly 3, a plurality of towing components 1, and a locking component 2 for connecting the towing components 1. The connection socket 4 is connected to equipment on a ship or shore. One end of the cable assembly 3 is plugged into the connection socket 4 to maintain an electrical connection. The plurality of towing components 1 are connected end to end to form a towing array. The other end of the cable assembly 3 is connected to the end of the towing array. The locking component 2 is fitted into the plug-in point of two adjacent towing components 1. Each towing component 1 includes a male coupling member 12, a connecting pipe 11, and a female coupling member 13. The two ends of the connecting pipe 11 are respectively sealed to the opposite ends of the male coupling member 12 and the female coupling member 13. Both the male coupling member 12 and the female coupling member 13 include coupling... The two coupling ends are located at the two ends of the same towing component 1. Adjacent towing components 1 are sealed together by the insertion of male coupling member 12 and female coupling member 13. Both male coupling member 12 and female coupling member 13 are provided with protruding rings 141 on the outer periphery near the coupling ends. Locking component 2 forms a set for the two protruding rings 141 and acts on the two protruding rings 141 to restrict the two protruding rings 141 from separating from each other. A traction rope 112 is connected between male coupling member 12 and female coupling member 13. The traction rope 112 passes through the connecting tube 11. The length of the traction rope 112 is less than the length of the connecting tube 11 and is located inside the connecting tube 11. That is, when male coupling member 12 and female coupling member 13 separate from each other, the traction rope 112 is tightened before the connecting tube 11.

[0028] In this embodiment, the towing assembly 1 includes a male coupling member 12, a connecting pipe 11, and a female coupling member 13. Two adjacent towing assemblies 1 are sealed and connected by the male coupling member 12 and the female coupling member 13. Both the male coupling member 12 and the female coupling member 13 have protruding rings 141 on their outer periphery. The locking assembly 2 forms a sleeve around the two protruding rings 141 and acts on the two protruding rings 141 to restrict their separation. When the two towing assemblies 1 are subjected to an external force that causes them to separate, the locking assembly 2 releases the protruding rings 141. The male coupling member 12 and the female coupling member 13 generate an axial limiting force to prevent the two towing assemblies 1 from separating from each other, thereby improving the connection stability between the two adjacent towing assemblies 1. In addition, the locking assembly 2 is fitted on the outer periphery of the towing assembly 1, making it less likely to automatically unlock due to external forces, thus making the locking assembly 2 more stable and reliable in locking the towing assembly 1. Secondly, when the towing assembly 1 is subjected to axial external forces, the locking assembly 2 can share more of the external forces, effectively reducing the external forces at the joint of the two towing assemblies 1. Therefore, the strength requirement of the coupling end of the towing assembly 1 is lower, and there is no need to increase the radial dimension to provide strength for the coupling end. This allows the towing assembly 1 to maintain a smaller radial dimension, which can reduce the overall weight of the towing assembly 1 and also reduce the noise and resistance generated by the towing assembly 1 when towing underwater, which helps to achieve rapid deployment and retraction of the towing assembly 1. Furthermore, a traction rope 112 is connected between the male coupling member 12 and the female coupling member 13 in the same towing assembly 1, and the traction rope 112 The length of the towing assembly 1 is less than the length of the connecting pipe 11. When the towing assembly 1 is straightened by external force, the traction rope 112 can generate tension on the male end coupling member 12 and the female end coupling member 13 to resist the external force. The connecting pipe 11 will not be completely straightened. Therefore, the external force at the connection between the connecting pipe 11 and the male end coupling member 12 and the female end coupling member 13 is smaller, which can reduce the possibility of the connecting pipe 11 separating from the male end coupling member 12 and the female end coupling member 13, so that the towing assembly 1 can withstand greater external force and has better tensile performance.

[0029] Specifically, such as Figure 2 and Figure 3As shown, in this embodiment, both the male-end coupling member 12 and the female-end coupling member 13 include a housing 14, a photoelectric unit, and a tail cover 16. The housing 14 is axially penetrating and includes a front end and a tail end. The photoelectric unit is installed inside the housing 14 and forms the coupling end at the front end of the housing 14. The tail cover 16 is sealed to the tail end of the housing 14. Two adjacent towing components 1 are interlocked to achieve electrical connection between the two photoelectric units. In addition, the front end of the housing 14 of the female-end coupling member 13 has a connecting sleeve 131 for the male-end coupling member 12 to be inserted. The housing 14 of the male-end coupling member 12 has a connecting sleeve 131 at the front end for the male-end coupling member 12 to be inserted. 4. A first sealing element 122 is provided on the outer periphery of the front end. After the male end coupling element 12 and the female end coupling element 13 are inserted, the first sealing element 122 and the inner wall of the connecting sleeve 131 are sealed together, thereby realizing the sealed insertion of the male end coupling element 12 and the female end coupling element 13. Through the sealed cooperation between the first sealing element 122 and the connecting sleeve 131, the sealed insertion of the male end coupling element 12 and the female end coupling element 13 is realized, reducing the sealing difficulty between two adjacent towing components 1, and significantly improving the assembly efficiency of the towing component 1 to meet the rapid deployment of the towing component 1.

[0030] Furthermore, the sealing assembly of the towing assembly via the connecting pipe 11 and the sealing plug-in connection of two adjacent towing assemblies eliminates the steps of potting, vulcanization, and stuffing boxes, greatly reducing the sealing process and difficulty of the towing assembly. This significantly saves manpower and material resources required for sealing, facilitating rapid deployment of the towing assembly. Secondly, the photoelectric unit modularizes the optical fiber and electrical wire 1533 inside the towing assembly, enabling rapid assembly of the photoelectric unit and further accelerating the assembly speed of the towing assembly. Moreover, the plug-in connection between two adjacent towing assemblies reduces the assembly difficulty of the overall towing system and improves the assembly efficiency. In the event of a photoelectric unit failure, the plugged-in towing assembly can be separated by external force, and the entire photoelectric unit can be removed after removing the tail cover 16, facilitating on-site replacement. This enables rapid replacement and repair of the photoelectric unit, improving the maintainability of the towing assembly and reducing subsequent maintenance costs and time.

[0031] Specifically, such as Figure 2 and Figure 3 As shown, in this embodiment, the protruding ring 141 of the male coupling member 12 is far away from the coupling end relative to the first sealing member 122, and the outer diameter of the protruding ring 141 is larger than the inner diameter of the connecting sleeve 131. That is, after the male coupling member 12 is inserted with the female coupling agent, the protruding ring 141 is still exposed on the surface of the male coupling member 12. The locking assembly 2 includes locking buckles that can be spliced ​​together. The locking buckles are all semi-circular structures. Both ends of the locking buckles in the axial direction are provided with positioning protrusions 21. The positioning protrusions 21 are located on the inner side of the locking buckles. A groove 22 is formed between the two positioning protrusions 21. When the two locking buckles are spliced ​​together, the positioning protrusions 21 are distributed in a ring on the inner side of both ends of the locking assembly 2.

[0032] Specifically, both locking buckles are provided with threaded holes 23, and the two locking buckles are detachably connected by fasteners 24. By providing positioning protrusions 21 on the inner side of the locking buckles, the thickness of the locking buckles can be increased, providing a basis for the setting of the threaded holes 23, and also providing strength to the locking buckles, reducing the possibility of the locking buckles breaking at the threaded holes 23. During the connection process between the locking assembly 2 and the drag assembly 1, when the male end coupling member 12 and the female end coupling member 13 are inserted into place, the distance between the protruding ring 141 of the male end coupling member 12 and the protruding ring 141 of the female end coupling member 13 is less than the distance between the two positioning protrusions 21. With the spacing between them, after the two locking buckles are fitted into the insertion points of the male coupling member 12 and the female coupling member 13, the two protruding rings 141 are located in the groove 22, that is, the two protruding rings 141 are located between the two positioning protrusions 21. The two positioning protrusions 21 act on the opposite sides of the two protruding rings 141 to restrict the two protruding rings 141 from separating from each other. When the two connected towing components 1 are subjected to external forces that separate them from each other, the positioning protrusions 21 of the locking buckle can limit the two protruding rings 141 to separate them from each other, thereby keeping the towing components 1 reliably connected and significantly improving the tensile strength of the towing components 1.

[0033] Specifically, such as Figure 6 As shown, in this embodiment, the outer diameter of the connecting sleeve 131 is larger than the outer diameter of the housing 14. A step is formed at the connection between the connecting sleeve 131 and the housing 14. That is, the connecting sleeve 131 is equivalent to the protruding ring 141 of the female coupling member 13. When the locking assembly 2 is fitted into the insertion point of the male coupling member 12 and the female coupling member 13, one of the positioning protrusions 21 abuts against the step of the connecting sleeve 131, thereby restricting the connecting sleeve 131 from separating from the protruding ring 141 of the male coupling member 12.

[0034] It is understandable that in other embodiments, the female end coupling member 13 may also be a separately provided convex ring 141 structure.

[0035] Specifically, such as Figure 6 As shown, in this embodiment, the connecting sleeve 131 includes a guide section 1312 and a plug-in section 1311. The guide section 1312 is formed at the end of the connecting sleeve 131 away from the photoelectric unit. The inner diameter of the guide section 1312 is larger than the inner diameter of the plug-in section 1311. The first sealing member 122 is sealed to the inner wall of the plug-in section 1311. The guide section 1312 can guide the male end coupling member 12 to be inserted into the connecting sleeve 131, which can reduce the difficulty of plugging the male end coupling member 12 and the female end coupling member 13, improve the success rate of plugging the male end coupling member 12 and the female end coupling member 13, and thus improve the assembly efficiency of the towing assembly 1.

[0036] In order to make the insertion of the male coupling member 12 and the female coupling member 13 smoother, the connection between the guide segment 1312 and the insertion segment 1311 in this embodiment is smoothly transitioned to prevent the connection between the guide segment 1312 and the insertion segment 1311 from damaging the first seal 122, so as to make the insertion of the male coupling member 12 and the female coupling member 13 smoother.

[0037] Specifically, such as Figure 5 and Figure 6 As shown, in this embodiment, the outer surface of the housing 14 of the male coupling member 12 is provided with a protrusion 121, and the connecting sleeve 131 is provided with a positioning groove 1313 opened along the axial direction. The protrusion 121 extends into the positioning groove 1313 to realize the anti-rotation fit after the male coupling member 12 and the female coupling member 13 are inserted. The protrusion 121 and the positioning groove 1313 cooperate with each other to limit the mutual rotation of the male coupling member 12 and the female coupling member 13, and reduce the possibility of the first sealing member 122 and the locking buckle being damaged due to friction.

[0038] Specifically, the optoelectronic unit described in this embodiment includes a support sleeve 152, an optical fiber sintering assembly disposed within the support sleeve 152, a coupling seat 151 sealed and connected to both ends of the support sleeve 152, and an electro-sintering assembly 153. The inner wall of the front end of the housing 14 is provided with a positioning step. After the optoelectronic unit is installed into the housing 14, the coupling seat 151 and the positioning step are positioned and engaged to restrict the coupling seat 151 from rotating relative to the housing 14. The coupling seat 151 forms a coupling end at the front end of the housing 14. The outer periphery of the electro-sintering assembly 153 is provided with a second sealing member 1532. The electro-sintering assembly 153 is sealed and engaged with the housing 14 through the second sealing member 1532. The housing 14 is also provided with a retaining ring 156 and a cover plate 155. The cover plate 155 covers the end of the electro-sintering assembly 153 away from the coupling seat 151. The retaining ring 156 is fixed inside the housing 14. The housing 14 acts on the cover plate 155 to restrict the optoelectronic unit between the cover plate 155 and the positioning step.

[0039] Specifically, such as Figure 5As shown, the optical fiber sintering assembly in this embodiment includes an optical fiber sintering body 1541, an optical fiber strip 1542, and a ferrule 1543. The optical fiber strip 1542 is connected between the optical fiber sintering body 1541 and the ferrule 1543. The optical fiber strip 1542 is formed by fiber stripping, gold plating, and then sintering. Sintering after gold plating can seal the optical fiber, enabling miniaturization and transmission of more optical fiber signals. It also provides better sealing than sealing processes such as stuffing boxes, potting, and vulcanization, and can withstand higher pressure, thus meeting the signal transmission requirements of the towing system. Furthermore, it can reduce the diameter of the towing assembly, reducing noise and resistance generated during underwater towing, and facilitating rapid deployment, retrieval, and cable coiling of the towing assembly. It should be noted that this embodiment... The ferrule 1543 described herein is a standard ferrule 1543, which has multiple fiber optic channels such as 12 cores and 24 cores, and can control the outer diameter of the housing 14 to within 32mm. In contrast, the outer diameter of the same number of optoelectronic channels in the prior art is nearly 60mm. The size of this embodiment can be reduced by 47% compared with the prior art, which is beneficial to reduce the overall weight of the towing assembly, reduce the noise and resistance of the towing assembly underwater, and is suitable for small-size, high-density application scenarios. The ferrule 1543 end of the male end coupler 12 has a guide pin, and the ferrule 1543 end of the female end coupler 13 has a guide hole. When two adjacent towing assemblies are plugged in, the guide pin of the ferrule 1543 of the male end coupler 12 is plugged into the guide hole of the ferrule 1543 of the female end coupler 13 to realize the optical signal transmission of the two fiber optic sintered assemblies.

[0040] The coupling seat 151 is provided with a socket for mounting the ferrule 1543. An end cap 1511 is fitted to one end of the coupling seat 151 near the electro-sintering assembly 153. The end cap 1511 is detachably connected to the coupling seat 151 by bolts. The end cap 1511 has a through hole for the optical fiber ribbon 1542 to pass through. Part of the end cap 1511 extends into the socket to prevent the ferrule 1543 from detaching from the socket. Additionally, the coupling seat 151 of the male coupling member 12 is also provided with two guide grooves and several insertion holes. The opening of the guide groove is formed on the end face of the coupling seat 151 away from the electric sintering assembly 153. The opening of the guide groove extends inward along the axial direction of the coupling seat 151 to form the guide groove. The insertion hole has a barbed structure and is provided with anti-rotation milling flattening. The insertion hole is directly inserted into the coupling seat 151 along the axial direction to achieve the fixing of the insertion hole. The insertion hole and the electrical contact of the electric sintering assembly 153 are electrically connected by welding with electrical wires. The coupling seat 151 of the female end coupling member 13 is provided with two guide posts 1513 and several pins 1512. The guide post is fixed to the end face of the coupling seat 151 of the female coupling member 13, and the guide post protrudes from the coupling seat 151 and extends outward along the axial direction. The insert pin 1512 has a barbed structure and is provided with anti-rotation milling flattening. The insert pin 1512 is inserted into the coupling seat 151 of the female coupling member 13 along the axial direction, and one end of the insert pin 1512 extends out of the coupling seat 151, while the other end is located in the support sleeve 152. The end of the insert pin 1512 located in the support sleeve 152 is also connected to the electric sintering assembly 153 through the electrical wire 1533. An electrical connection is formed, and the ferrule 1543 of the female coupling member 13 protrudes from the surface of the coupling seat 151. When two adjacent towing components are plugged in, the guide post of the female coupling member 13 is inserted into the guide groove of the male coupling member 12, the pin 1512 of the female coupling member 13 is inserted into the insertion hole of the male coupling member 12, and the ferrule 1543 of the female coupling member 13 is plugged into the ferrule 1543 of the male coupling member 12, thereby realizing the transmission of optical and electrical signals between the male coupling member 12 and the female coupling member 13.

[0041] Specifically, in this embodiment, the connecting tube 11 is equipped with a photoelectric composite cable, which is electrically connected to the optical fiber sintering assembly and the electric sintering assembly 153. In the same towing assembly 1, the optical fiber sintering body 1541 of the male end coupling member 12 is electrically connected to the optical fiber sintering body 1541 of the female end coupling member 13 through the photoelectric composite cable, and the electric sintering assembly 153 of the male end coupling member 12 is electrically connected to the electric sintering assembly 153 of the female end coupling member 13 through the photoelectric composite cable. In addition, several insertion holes are formed in the coupling seat 151 of the male end coupling member 12, and the insertion holes and the electric sintering assembly 153 are connected by electrical wires. The connection is made by means of a coupling seat 151 of the female coupling component 13, which is provided with a number of guide posts 1513 and pins 1512. The pins 1512 and the electro-sintered assembly 153 are connected by electrical wires. The core 1543 of the female coupling component 13 protrudes from the surface of the coupling seat 151. When two adjacent towing assemblies 1 are plugged in, the pins 1512 of the female coupling component 13 are inserted into the socket of the male coupling component 12, and the core 1543 of the female coupling component 13 is plugged into the core 1543 of the male coupling component 12, thereby realizing the transmission of optical and electrical signals between the male coupling component 12 and the female coupling component 13.

[0042] like Figure 5 and Figure 6 As shown, in this embodiment, the tail cover 16 is provided with a fourth sealing element 163. The tail cover 16 forms a sealed fit with the housing 14 through the fourth sealing element 163. The end face of the tail cover 16 facing away from the front end of the housing 14 is provided with a tensile hole 161. One end of the traction rope 112 is locked in the tensile hole 161 by a fastener 24. When the towing component 1 is straightened by external force, the traction rope 112 can generate a pulling force on the male end coupling member 12 and the female end coupling member 13 to resist the external force. The connecting pipe 11 will not be completely straightened. Therefore, the external force at the connection between the connecting pipe 11 and the male end coupling member 12 and the female end coupling member 13 is small, which can reduce the possibility of the connecting pipe 11 disengaging from the male end coupling member 12 and the female end coupling member 13.

[0043] In this embodiment, the connecting pipe 11 includes a flexible hose and a crimping ring 111. The flexible hose is a polyurethane flexible hose. The outer periphery of the tail cover 16 is provided with several crimping grooves 162. The flexible hose is fitted onto the outer periphery of the crimping grooves 162. The crimping ring 111 forms a clamp on the flexible hose to form a sealed connection between the flexible hose and the tail cover 16. The crimping ring 111 squeezes the flexible hose against the outer periphery of the crimping grooves 162, and the deformation of the flexible hose fills the crimping grooves 162, so that the assembly gap between the flexible hose wall and the crimping grooves 162 is in a multi-segment bend shape, thereby improving the sealing performance between the flexible hose and the crimping grooves 162. In addition, the crimping grooves 162 and the crimping ring 111 can also improve the tensile strength between the flexible hose and the tail cover 16, thereby improving the connection reliability between the tail cover 16 and the flexible hose.

[0044] like Figure 7As shown, in this embodiment, the cable assembly 3 includes a cable 31 and a socket 32 ​​and a plug 33 respectively connected to both ends of the cable 31. The end of the socket 32 ​​is provided with a connecting sleeve 131 that is the same as the female coupling member 13. The socket 32 ​​is sealed and plugged into the male coupling member 12 at the far end of the towing array. The plug 33 is plugged into the connecting socket 4, so that the equipment on shore or on the ship is electrically connected to the towing assembly. The plug 32 and the insertion point of the towing assembly 1 are fitted with a locking component 2.

[0045] In this embodiment, the socket 32 ​​includes a socket housing 321, a cable cover 322, neoprene rubber 323, a fixing clip 324, and a locking cover 325. After fiber stripping, the cable 31 is inserted into the fixing clip 324. The cable cover 322 and the fixing clip 324 are fitted with an inclined surface, and the cable cover 322 and the locking cover 325 are locked together by threads. During the locking process, the locking cover 325 pushes the fixing clip 324 to deform and tighten the cable 31, thereby realizing cable treatment. After the cable treatment is completed, the cable 31 is connected to the socket 32 ​​by vulcanization of the neoprene rubber 323. Vulcanization sealing enables the overall assembly of the cable 31 end and the socket 32. In addition, the socket housing 321 is fitted onto the outer periphery of the cable cover 322. Both the socket housing 321 and the cable cover 322 are provided with vulcanization grooves, which can enhance the reliability of the vulcanization of the neoprene rubber 323. As the water depth and water pressure increase, this vulcanization method can compress the neoprene rubber 323, making the seal between the socket 32 ​​and the cable 31 increasingly tighter, resulting in high sealing reliability. Furthermore, the connection and sealing method between the plug 33 and the cable 31 is the same as that of the socket.

[0046] In this embodiment, the tail cover 16 is provided with an oil injection channel 164. One end of the oil injection channel 164 forms an oil injection port 1641 on the outer side of the tail cover 16. An oil injection valve 165 is installed in the oil injection port 1641. The oil injection valve 165 is provided with a steel ball and a spring. Under the action of the spring, the steel ball forms a seal on the end of the oil injection valve 165 near the oil injection channel 164. The sealing plug 166 seals the other end of the oil injection valve 165, thereby achieving a secondary seal. The other end of the oil injection channel 164 passes through the end of the tail cover 16 away from the housing 14 and is connected to the connecting pipe 11. The connecting pipe 11 is filled with oil, which can support the connecting pipe 11 and overcome the force of water pressure on the connecting pipe 11, preventing excessive deformation of the connecting pipe 11 and affecting the normal operation of the components inside the connecting pipe 11.

[0047] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes, but is not limited to, the contents described in the accompanying drawings and the specific embodiments above. Any modifications that do not depart from the functional and structural principles of the present invention will be included within the scope of the claims.

Claims

1. An optoelectronic drag device, characterized in that The application relates to a cable assembly, which comprises a connecting socket, a cable assembly, a plurality of mutually plugged trailing assemblies and a locking assembly sleeved on the plugged positions of two trailing assemblies, the two ends of the cable assembly are connected with the trailing assemblies and the connecting socket respectively, the trailing assembly comprises a male end coupling, a connecting pipe and a female end coupling, the male end coupling and the female end coupling each comprise a shell, an optoelectronic unit and a tail cover, the optoelectronic unit is sealedly assembled into the shell and forms a coupling end at one end of the shell, the tail cover is sealingly connected with the other end of the shell, the two ends of the connecting pipe are sealingly connected with the tail covers of the male end coupling and the female end coupling, a traction rope is connected between the male end coupling and the female end coupling, the length of the traction rope is smaller than the length of the connecting pipe and is arranged in the connecting pipe, the adjacent two trailing assemblies are sealingly plugged through the male end coupling and the female end coupling, the optical and electrical signal transmission of the two optoelectronic units is realized through the plugging of the two coupling ends, the outer circumferential sides of the male end coupling and the female end coupling are provided with convex rings, the locking assembly is sleeved on the two convex rings and acts on the two convex rings to limit the separation of the two convex rings from each other.

2. The photovoltaic drag device of claim 1, wherein, The male end coupling and the female end coupling each comprise a shell, an optoelectronic unit and a tail cover, the shell is axially penetrated and comprises a front end and a tail end, the optoelectronic unit is mounted into the shell and forms a coupling end at the front end of the shell, the adjacent two trailing assemblies are plugged with each other through the coupling end, the tail cover is sealingly connected with the tail end of the shell, and the traction rope is connected between the two tail covers.

3. The optoelectronic drag device of claim 2, wherein, The front end of the shell of the female end coupling is provided with a connecting sleeve for the insertion of the male end coupling, the outer circumferential side of the front end of the shell of the male end coupling is provided with a first sealing element, and the first sealing element is sealingly matched with the connecting sleeve to realize the sealing plugging of the female end coupling and the male end coupling.

4. The photovoltaic drag device of claim 3, wherein, The connecting sleeve comprises a guide section and a plugging section, the guide section is formed at the end of the connecting sleeve away from the optoelectronic unit, the inner diameter of the guide section is larger than that of the plugging section, and the first sealing element is sealingly matched with the inner wall of the plugging section.

5. The photovoltaic drag device of claim 4, wherein, The connecting position of the guide section and the plugging section is smoothly transitioned.

6. The photovoltaic drag device of claim 3, wherein, The convex ring of the male end coupling is close to the front end of the shell, the connecting sleeve is the convex ring of the female end coupling, the outer diameter of the connecting sleeve is larger than that of the shell, and the locking assembly acts on the two sides of the two convex rings away from each other to limit the separation of the two convex rings from each other.

7. The optoelectronic drag device of claim 6, wherein, The locking assembly comprises mutually spliced locking buckles, the two ends of the locking buckles in the axial direction are provided with positioning protrusions, and when the locking assembly is clamped at the plugged position of the male end coupling and the female end coupling, the two convex rings are limited between the two positioning protrusions.

8. The photovoltaic drag device of claim 3, wherein, The outer surface of the shell of the male end coupling is provided with a convex block, the connecting sleeve is provided with a positioning groove opened in the axial direction, and the convex block is inserted into the positioning groove to realize the rotation-stopping cooperation of the male end coupling and the female end coupling after the plugging.

9. The photovoltaic drag device of claim 2, wherein, The end face of the tail cover away from the front end of the shell is provided with a tensile hole, and one end of the traction rope is locked in the tensile hole through a fastener.

10. The photovoltaic drag device of claim 1, wherein, The optoelectronic unit comprises a supporting sleeve, an optical fiber sintering assembly arranged in the supporting sleeve, coupling seats connected with the two ends of the supporting sleeve and an electrical sintering assembly, the coupling seats form coupling ends at the ends of the shell, the electrical sintering assembly is sealingly matched with the shell, and the two ends of the optical fiber sintering assembly are fixed in the coupling seats and the electrical sintering assembly respectively.

11. The photovoltaic drag device of claim 10, wherein, The optical fiber sintering assembly comprises an optical fiber sintering body, an optical fiber dispersion band and a ferrule, the optical fiber dispersion band is connected between the optical fiber sintering body and the ferrule, the electrical sintering assembly is provided with a mounting hole, the optical fiber sintering body is sealingly assembled with the mounting hole, and the end of the optical fiber sintering body away from the ferrule extends into the tail cover, and the ferrule is fixed in the coupling seat.

12. The photovoltaic drag device of claim 11, wherein, The coupling seat is provided with a plug hole for mounting the ferrule, and the end of the coupling seat close to the electrical sintering assembly is assembled with an end cover, the end cover has a through hole for the optical fiber dispersion band to pass through, and the end cover partially extends into the plug hole to limit the ferrule from being separated from the plug hole.

13. The photovoltaic drag device of claim 11, wherein, The optical fiber dispersion band is sintered after stripping and gold plating processes.

14. The photovoltaic drag device of claim 1, wherein, The cable assembly comprises a cable line and a socket and a plug connected to two ends of the cable line respectively, the socket is sealingly inserted with one end of the trailing assembly, the plug is inserted with the socket, and the socket and the trailing assembly are sleeved with a locking assembly at the insertion position.

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