Deep sea photoelectric separator with quick disassembly and assembly structure and disassembly and assembly method

Abstract

The invention discloses a deep-sea photoelectric separator with a quick disassembly and assembly structure and a disassembly and assembly method, and the deep-sea photoelectric separator comprises a vulcanization layer, a cabin penetrating part, a first end cover, a housing, a splicing support, a fiber coiling box, an insulating positioning part, a second end cover, a high-voltage electric connector, an optical connector, and a low-voltage electric connector. The first end cover and the second end cover are arranged at the two ends of an inner cavity of the shell, the splicing support is arranged in the shell and connected between the first end cover and the second end cover, the cabin penetrating piece is arranged on the first end cover, the insulation positioning piece is arranged in the splicing support, and the vulcanization layer is arranged on the cabin penetrating piece in a sleeving mode and extends to an optical cable on the outer side of the cabin penetrating piece. The first end cover and the second end cover are connected into a whole through the splicing support, the structure is stable, assembly and fixation with the shell are convenient, disassembly and maintenance are also convenient, the water leakage detection function is achieved, and the sealing performance and reliability are improved.

Description

Technical Field

[0001] The present invention relates to the field of deep - sea optoelectronic separators, and particularly to a deep - sea optoelectronic separator with a quick disassembly and assembly structure and a disassembly and assembly method thereof. Background Art

[0002] In the marine field, the application of underwater towing systems is indispensable and has a wide range of application spaces in both military and civilian fields. Among them, in the military field, by configuring active or passive sonars in underwater towed bodies, effective detection, classification, positioning, and tracking of underwater targets can be achieved, realizing functions such as target early warning, sea area monitoring, underwater navigation, and water rescue; in the civilian field, by configuring detection devices such as sound, magnetism, light, and electricity in underwater towed bodies, functions such as marine hydrological measurement, geological and geomorphic survey, and marine oil exploration can be achieved; in addition, by equipping underwater towed bodies with corresponding underwater operation devices, functions such as underwater construction can be achieved.

[0003] The optoelectronic separator is applied to the ship towing system, which generally consists of an armored cable assembly, a lifeboat, a surface ship winch, and a main control system. The optoelectronic separator is the connection carrier between the lifeboat and the remote control mother ship, and provides power and signal transmission between the rescue bell and the mother ship, and needs to have both the functions of retracting and bearing and good watertight performance.

[0004] In the prior art, the invention patent with the authorization announcement number of CN106300223B discloses an underwater optoelectronic separation structure, and the invention patent application with the application publication number of CN105811350A discloses an underwater optoelectronic separation connection cavity and its connection method. It can be seen that the existing forms of optoelectronic separator adapter cables are usually ordinary submarine optical cables or optical cables, with relatively low water depth requirements for use, unable to meet the 1000 - meter water depth requirement of the underwater towing system, and having complex structures, inconvenient disassembly and assembly, poor maintenance convenience, and the connection reliability and stability are also unable to adapt to complex sea conditions. Summary of the Invention

[0005] The main technical problem to be solved by the present invention is to provide a deep - sea optoelectronic separator with a quick disassembly and assembly structure and a disassembly and assembly method thereof, which improves the sealing performance, reliability, disassembly, assembly and maintenance convenience, and meets the 1000 - meter water depth requirement of the underwater detection system.

[0006] To solve the above technical problems, a technical solution adopted by the present invention is: to provide a deep-sea optoelectronic separator with a quick disassembly and assembly structure, including: a vulcanized layer 2, a through-hull part 5, a first end cover 6, a housing 7, a splicing bracket 8, a fiber optic cable tray 9, an insulating positioning part 10, a second end cover 12, a high-voltage electrical connector 13, an optical connector 14, and a low-voltage electrical connector 15. The first end cover 6 and the second end cover 12 are arranged at both ends of the inner cavity of the housing 7. The splicing bracket 8 is arranged in the housing 7 and connected between the first end cover 6 and the second end cover 12. The through-hull part 5 is arranged on the first end cover 6. The optical cable 1 extends into the housing 7 through the through-hull part 5. An electrical unit 21 and an optical unit 22 with ends located in the housing 7 are arranged in the optical cable 1. The high-voltage electrical connector 13, the optical connector 14, and the low-voltage electrical connector 15 are respectively arranged on the second end cover 12. The fiber optic cable tray 9 is arranged in the splicing bracket 8 for connecting the optical unit 22 and the optical connector 14. The insulating positioning part 10 is arranged in the splicing bracket 8 for connecting and positioning the electrical unit 21 with the high-voltage electrical connector 13 and the low-voltage electrical connector 15. Threaded holes are respectively arranged at both ends of the through-hull part 5. A cable locking nut 3 and a sealing plug 4 sleeved on the optical cable 1 are arranged in the threaded holes. The optical cable 1 is sealed by the cable locking nut 3 squeezing the sealing plug 4. The vulcanized layer 2 is sleeved on the through-hull part 5 and extends to the optical cable 1 outside the through-hull part 5.

[0007] In a preferred embodiment of the present invention, the insulating positioning part 10 includes a mounting plate 101 and a cover plate 102. Positioning grooves corresponding to the electrical units 21 one by one are arranged on the mounting plate 101. The cover plate 102 is arranged on the mounting plate 101 to press and fix the electrical units 21.

[0008] In a preferred embodiment of the present invention, the splicing bracket 8 includes a first arc-shaped panel 81 and a second arc-shaped panel 82. The first arc-shaped panel 81 and the second arc-shaped panel 82 symmetrically form a cylindrical structure.

[0009] In a preferred embodiment of the present invention, an arc-shaped water leakage detection plate 11 is arranged inside the first end cover 6 or the second end cover 12 and fixed by a first fixing screw 18. Monitoring points A and B connected to the base and collector of a triode are arranged on the water leakage detection plate 11.

[0010] In a preferred embodiment of the present invention, connection parts extending into the splicing bracket 8 are respectively arranged inside the first end cover 6 and the second end cover 12. Annular grooves are arranged on the connection parts. A snap ring 29 engaged with the annular groove is arranged at the end of the splicing bracket 8. Second fixing screws 19 connected to the connection part of the second end cover 12 and third fixing screws 23 connected to the connection part of the first end cover 6 are arranged on the splicing bracket 8.

[0011] In a preferred embodiment of the present invention, a fourth fixing screw 20 for fixing the fiber optic cable box 9 and the insulating positioning member 10 is provided in the splicing bracket 8.

[0012] In a preferred embodiment of the present invention, a first flange 30 in contact with the corresponding end of the housing 7 is provided on the first end cover 6. A fifth fixing screw 25 for connecting with the corresponding end of the housing 7 is provided on the first flange 30. An installation hole 28 pointing to the outer circle of the second end cover 12 is provided on the side of the housing 7. A pin 16 connected to the outer circle of the second end cover 12 is provided in the installation hole 28. A first sealing ring 24 in contact with the inner wall of the housing 7 is provided on the outer circle of the first end cover 6. A second sealing ring 17 in contact with the inner wall of the housing 7 is provided on the outer circle of the second end cover 12.

[0013] In a preferred embodiment of the present invention, a second flange 31 located outside the first end cover 6 is provided on the cable passing member 5. A sixth fixing screw 26 for connecting with the first end cover 6 is provided on the second flange 31. A jack 32 corresponding to the cable passing member 5 is provided in the first end cover 6. A third sealing ring 27 in contact with the inner wall of the jack 32 is provided on the cable passing member 5.

[0014] To solve the above technical problems, another technical solution adopted by the present invention is: to provide a disassembly and assembly method for a deep-sea optoelectronic separator, including the following assembly steps: Insert a cable locking nut 3, a sealing plug 4 and a cable passing member 5 into one end of the optical cable 1. Strip the end of the optical cable 1 to expose the electrical unit 21 and the optical unit 22. Tighten the cable locking nut 3 at both ends of the cable passing member 5. Apply a pre-tightening force to the sealing plug 4 through the cable locking nut 3 to fix and seal the cable passing member 5 on the optical cable 1. Grind the outer circle of a section of the optical cable 1 outside the cable passing member 5 and place it in a mold for vulcanization to obtain a vulcanized layer 2 covering the connection between the cable passing member 5 and the optical cable 1. Install a third sealing ring 27 on the cable passing member 5 and insert it into the jack 32 of the first end cover 6, and fix it with a sixth fixing screw 26. Install the water leakage detection plate 11, the high-voltage electrical connector 13, the optical connector 14 and the low-voltage electrical connector 15 on the second end cover 12, and connect the first end cover 6 and the second end cover 12 through the first arc-shaped panel 81. Connect the electrical unit 21 with the corresponding high-voltage electrical connector 13 and low-voltage electrical connector 15, and protect the connection part with an insulating heat shrinkable tube. Place the electrical unit 21 in the positioning groove on the mounting plate 101. Install a cover plate 102 on the mounting plate 101 to limit the electrical unit 21 one by one. Connect the optical unit 22 and the optical connector 14 through the fiber coiling box 9, then install the second arc panel 82, and install the second fixing screw 19 and the third fixing screw 23 to complete the fixing of the first end cover 6, the splicing bracket 8 and the second end cover 12; Push the second end cover 12 and the first end cover 6 into the housing 7, fix the first end cover 6 at the end of the housing 7 through the fifth fixing screw 25, and install the pin 16 to fix the second end cover 12 in the housing 7.

[0015] In a preferred embodiment of the present invention, the following disassembly steps are further included: Remove the pin 16 and the fifth fixing screw 25, and pull out the second end cover 12 and the first end cover 6 from the housing 7; Open the second arc panel 82 to expose the insulation positioning member 10 and the fiber coiling box 9 for maintaining the optical unit 22 or the electrical unit 21.

[0016] The beneficial effects of the present invention are as follows: A deep-sea optoelectronic separator with a quick disassembly and assembly structure and a disassembly and assembly method pointed out by the present invention. The first end cover 6 and the second end cover 12 are integrated through the splicing bracket 8, with a stable structure, convenient for assembly and fixing with the housing 7, and also convenient for disassembly and maintenance. The sealing of the connection between the through-hull member 5 and the optical cable 1 is carried out through the vulcanized layer 2, improving the sealing performance, meeting the use requirements of a large water depth of 1000 meters, and also having a water leakage detection function, meeting the use requirements of a maximum withstand voltage of 9 kV, with high reliability. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings, where: Figure 1 is a schematic structural diagram of a preferred embodiment of a deep-sea optoelectronic separator with a quick disassembly and assembly structure according to the present invention; Figure 2 is Figure 1 an exploded view of; Figure 3 is Figure 1 a schematic structural diagram of the insulation positioning member 10 in; Figure 4 is Figure 1 a schematic structural diagram of the water leakage detection board 11 in; Figure 5 is a schematic structural diagram of a preferred embodiment after the formation of the vulcanized layer 2 in the disassembly and assembly method of a deep-sea optoelectronic separator according to the present invention; Figure 6It is a schematic structural diagram of connecting the first end cover 6 and the second end cover 12 through the first arc panel 81 in the disassembly and assembly method of a deep-sea optoelectronic separator of the present invention; Figure 7 It is a schematic structural diagram after the installation of the second arc panel 82 in the disassembly and assembly method of a deep-sea optoelectronic separator of the present invention; Figure 8 It is a schematic structural diagram after the installation of the housing 7 in the disassembly and assembly method of a deep-sea optoelectronic separator of the present invention. Detailed implementation manners

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Apparently, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1 to 8 , the embodiments of the present invention include: As Figure 1 shown, a deep-sea optoelectronic separator with a quick disassembly and assembly structure for the connection and optoelectronic separation of the optical cable 1, including: a vulcanized layer 2, a through-hull fitting 5, a first end cover 6, a housing 7, a splicing bracket 8, a fiber coiling box 9, an insulation positioning member 10, a second end cover 12, a high-voltage electrical connector 13, an optical connector 14, and a low-voltage electrical connector 15. The first end cover 6 and the second end cover 12 are arranged at both ends of the inner cavity of the housing 7. The splicing bracket 8 is arranged in the housing 7 and connected between the first end cover 6 and the second end cover 12. The first end cover 6 and the second end cover 12 are integrated through the splicing bracket 8, with a stable structure, facilitating the assembly and fixation with the housing 7, and also being convenient for disassembly and maintenance.

[0020] The through-hull fitting 5 is arranged on the first end cover 6, and the optical cable 1 extends into the housing 7 through the through-hull fitting 5. As Figure 3 shown, threaded holes are respectively arranged at both ends of the through-hull fitting 5, and a cable locking nut 3 and a sealing plug 4 sleeved on the optical cable 1 are arranged in the threaded holes. The sealing plug 4 is extruded by the cable locking nut 3 to seal the optical cable 1, ensuring the deep-sea sealing effect.

[0021] The vulcanized layer 2 is sleeved on the through-hull fitting 5 and extends to the optical cable 1 outside the through-hull fitting 5. The connection between the through-hull fitting 5 and the optical cable 1 is sealed through the vulcanized layer 2, further improving the sealing performance and meeting the use requirements of a water depth of 1000 meters.

[0022] In addition, a second flange 31 located outside the first end cap 6 is provided on the cable passing component 5. A sixth fixing screw 26 connected to the first end cap 6 is provided on the second flange 31, which is convenient for assembly and has a firm structure. A jack 32 corresponding to the cable passing component 5 is provided in the first end cap 6, and a third sealing ring 27 in contact with the inner wall of the jack 32 is provided on the cable passing component 5, further improving the waterproof and sealing performance.

[0023] As Figure 1 shown, an electrical unit 21 and an optical unit 22 with ends located in the housing 7 are provided in the optical cable 1 for optoelectronic separation. A high-voltage electrical connector 13, an optical connector 14, and a low-voltage electrical connector 15 are respectively provided on the second end cap 12. The fiber splicing box 9 is provided in the splicing bracket 8 for connecting the optical unit 22 and the optical connector 14. The operation is simple, and the maximum fiber capacity is 12 cores, meeting most usage requirements.

[0024] An insulating positioning member 10 is provided in the splicing bracket 8 for connecting and positioning the electrical unit 21 with the high-voltage electrical connector 13 and the low-voltage electrical connector 15. As Figure 3 shown, the insulating positioning member 10 includes a mounting plate 101 and a cover plate 102. Positioning grooves corresponding to the electrical units 21 one by one are provided on the mounting plate 101 for isolating the electrical units 21 one by one.

[0025] The cover plate 102 is provided on the mounting plate 101 for pressing and fixing the electrical unit 21. A seventh fixing screw 103 connecting the cover plate 102 to the mounting plate 101 is provided on the cover plate 102, and the structure is stable. Both the mounting plate 101 and the cover plate 102 are processed with PEEK material having a relatively high dielectric constant to enhance the insulation protection of the electrical unit 21, and the usage requirement of maximum withstand voltage of 9 kV can be met.

[0026] As Figure 2 shown, the splicing bracket 8 includes a first arc-shaped panel 81 and a second arc-shaped panel 82, and the first arc-shaped panel 81 and the second arc-shaped panel 82 symmetrically form a cylindrical structure. Connecting parts extending into the splicing bracket 8 are respectively provided on the inner sides of the first end cap 6 and the second end cap 12. Annular grooves are provided on the connecting parts, and a snap ring 29 engaged with the annular grooves is provided at the end of the splicing bracket 8, which is convenient for assembly and has a good tensile effect.

[0027] A second fixing screw 19 connected to the connecting part of the second end cap 12 and a third fixing screw 23 connected to the connecting part of the first end cap 6 are provided on the splicing bracket 8 to realize the connection of the splicing bracket 8 to the first end cap 6 and the second end cap 12, improving the integrity. In addition, a fourth fixing screw 20 for fixing the fiber splicing box 9 and the insulating positioning member 10 is provided in the splicing bracket 8 to prevent the fiber splicing box 9 and the insulating positioning member 10 from shaking, improving the structural stability and reliability.

[0028] In this embodiment, a first flange 30 in contact with the corresponding end of the housing 7 is provided on the first end cover 6, and a fifth fixing screw 25 connected to the corresponding end of the housing 7 is provided on the first flange 30 to fix the first end cover 6.

[0029] An installation hole 28 pointing to the outer circle of the second end cover 12 is provided on the side of the housing 7. A pin 16 connected to the outer circle of the second end cover 12 is provided in the installation hole 28 to fix the second end cover 12. The maximum diameter of the outer circle of the second end cover 12 is not greater than the inner diameter of the housing 7, so that the second end cover 12 can pass through the housing 7, improving the convenience of assembly and disassembly. A first sealing ring 24 in contact with the inner wall of the housing 7 is provided on the outer circle of the first end cover 6, and a second sealing ring 17 in contact with the inner wall of the housing 7 is provided on the outer circle of the second end cover 12, improving the sealing performance at the connection and meeting the requirements for deep-sea use.

[0030] To detect water leakage problems, an arc-shaped water leakage detection plate 11 is provided inside the first end cover 6 or the second end cover 12, and the water leakage detection plate 11 is fixed by a first fixing screw 18. As Figure 4 shown, monitoring points A and B connected to the base and collector of the triode are provided on the water leakage detection plate 11. When a water leakage event occurs, water enters the housing 7, the resistance between monitoring points A and B drops suddenly, and the emitter of the triode will send a high-level signal. After receiving the high-level signal, the subsequent judgment circuit determines that the device is leaking water, triggers the protection mechanism, and conducts the salvage and maintenance of the housing 7.

[0031] A disassembly and assembly method for a deep-sea optoelectronic separator includes the following assembly steps: As Figure 5 shown, a cable locking nut 3, a sealing plug 4, and a bulkhead fitting 5 are installed at one end of the optical cable 1. The end of the optical cable 1 is stripped to expose the electrical unit 21 and the optical unit 22. The cable locking nut 3 is tightened at both ends of the bulkhead fitting 5, and a pre-tightening force is applied to the sealing plug 4 through the cable locking nut 3 to fix and seal the bulkhead fitting 5 on the optical cable 1. A section of the outer circle of the optical cable 1 outside the bulkhead fitting 5 is polished and placed in a mold for vulcanization to obtain a vulcanized layer 2 covering the connection between the bulkhead fitting 5 and the optical cable 1; A third sealing ring 27 is installed on the bulkhead fitting 5 and inserted into the jack 32 of the first end cover 6 and fixed by a sixth fixing screw 26, with stable structure; The water leakage detection plate 11, the high-voltage electrical connector 13, the optical connector 14, and the low-voltage electrical connector 15 are installed on the second end cover 12, and the first end cover 6 and the second end cover 12 are connected through a first arc-shaped panel 81, facilitating subsequent electrical connection and optical connection; As Figure 6As shown in the figure, the electrical unit 21 is connected to the corresponding high-voltage electrical connector 13 and low-voltage electrical connector 15, and the connection part is protected by an insulating heat shrinkable tube. The electrical unit 21 is placed in the positioning groove on the mounting plate 101. In particular, the part of the insulating heat shrinkable tube is placed in the positioning groove to provide double insulation protection, meeting the use requirement of a maximum withstand voltage of 9 kV. The cover plate 102 is installed on the mounting plate 101 to limit the electrical unit 21 one by one, improving reliability. The optical unit 22 and the optical connector 14 are connected through the fiber optic splice tray 9, and then the second arc-shaped panel 82 is installed, and the second fixing screw 19 and the third fixing screw 23 are installed. As Figure 7 shown in the figure, the fixing of the first end cover 6, the splicing bracket 8 and the second end cover 12 is completed. As Figure 8 shown in the figure, the second end cover 12 and the first end cover 6 are pushed into the housing 7, and the first end cover 6 is fixed at the end of the housing 7 through the fifth fixing screw 25, and the installation pin 16 is installed to fix the second end cover 12 in the housing 7. The operation is simple and the structure is reliable. Disassembly steps: As Figure 2 shown in the figure, the pin 16 and the fifth fixing screw 25 are removed, and the second end cover 12 and the first end cover 6 are pulled out from the housing 7. The second arc-shaped panel 82 is opened to expose the insulating positioning member 10 and the fiber optic splice tray 9, for the maintenance of the optical unit 22 or the electrical unit 21, improving the convenience of disassembly and maintenance.

[0032] In summary, a deep-sea optoelectronic separator with a quick disassembly and assembly structure and a disassembly and assembly method pointed out by the present invention adopt an integral pressure-bearing structure, which is compact in structure, reliable in connection, good in sealing performance, meets the use requirement of a large water depth of 1000 meters, has a water leakage detection function, and optimizes the insulation design to meet the requirement of a maximum withstand voltage of 9 kV. Moreover, the disassembly and assembly are convenient, facilitating offshore maintenance operations.

[0033] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A deep-sea optoelectronic separator with a quick disassembly and assembly structure, which is used for the connection and optoelectronic separation of an optical cable (1), and is characterized in that, Including: A vulcanized layer (2), a cable gland (5), a first end cover (6), a housing (7), a splicing bracket (8), a fiber optic cable tray (9), an insulation positioning member (10), a second end cover (12), a high-voltage electrical connector (13), an optical connector (14), and a low-voltage electrical connector (15). The first end cover (6) and the second end cover (12) are arranged at both ends of the inner cavity of the housing (7). The splicing bracket (8) is arranged in the housing (7) and connected between the first end cover (6) and the second end cover (12). The cable gland (5) is arranged on the first end cover (6). The optical cable (1) extends into the housing (7) through the cable gland (5). An electrical unit (21) and an optical unit (22) with ends located in the housing (7) are arranged in the optical cable (1). The high-voltage electrical connector (13), the optical connector (14), and the low-voltage electrical connector (15) are respectively arranged on the second end cover (12). The fiber optic cable tray (9) is arranged in the splicing bracket (8) for connecting the optical unit (22) and the optical connector (14). The insulation positioning member (10) is arranged in the splicing bracket (8) for connecting and positioning the electrical unit (21) with the high-voltage electrical connector (13) and the low-voltage electrical connector (15). Threaded holes are respectively arranged at both ends of the cable gland (5), and a cable locking nut (3) and a sealing plug (4) sleeved on the optical cable (1) are arranged in the threaded holes. The optical cable (1) is sealed by squeezing the sealing plug (4) with the cable locking nut (3). The vulcanized layer (2) is sleeved on the cable gland (5) and extends onto the optical cable (1) outside the cable gland (5).

2. The deep-sea optoelectronic separator with a quick disassembly and assembly structure according to claim 1, characterized in that, The insulation positioning member (10) includes a mounting plate (101) and a cover plate (102). Positioning grooves corresponding to the electrical units (21) one by one are arranged on the mounting plate (101). The cover plate (102) is arranged on the mounting plate (101) to press and fix the electrical units (21).

3. The deep-sea optoelectronic separator with a quick disassembly and assembly structure according to claim 1, characterized in that, The splicing bracket (8) includes a first arc-shaped panel (81) and a second arc-shaped panel (82). The first arc-shaped panel (81) and the second arc-shaped panel (82) symmetrically form a cylindrical structure.

4. The deep-sea optoelectronic separator with a quick disassembly and assembly structure according to claim 1, characterized in that, An arc-shaped water leakage detection plate (11) is arranged inside the first end cover (6) or the second end cover (12), and the water leakage detection plate (11) is fixed by a first fixing screw (18). Monitoring points A and B connected to the base and collector of a triode are arranged on the water leakage detection plate (11).

5. The deep-sea optoelectronic separator with a quick disassembly and assembly structure according to claim 3, characterized in that, Connection parts extending into the splicing bracket (8) are respectively arranged inside the first end cover (6) and the second end cover (12). Annular grooves are arranged on the connection parts. A snap ring (29) engaged with the annular groove is arranged at the end of the splicing bracket (8). A second fixing screw (19) connected to the connection part of the second end cover (12) and a third fixing screw (23) connected to the connection part of the first end cover (6) are arranged on the splicing bracket (8).

6. The deep-sea optoelectronic separator with a quick disassembly and assembly structure according to claim 2, characterized in that, A fourth fixing screw (20) for fixing the fiber optic cable tray (9) and the insulation positioning member (10) is arranged in the splicing bracket (8).

7. The deep-sea optoelectronic separator with a quick disassembly and assembly structure according to claim 1, characterized in that, A first flange (30) in contact with the corresponding end of the housing (7) is provided on the first end cover (6). A fifth fixing screw (25) connecting to the corresponding end of the housing (7) is provided on the first flange (30). An installation hole (28) pointing to the outer circle of the second end cover (12) is provided on the side of the housing (7). A pin (16) connecting to the outer circle of the second end cover (12) is provided in the installation hole (28). A first sealing ring (24) in contact with the inner wall of the housing (7) is provided on the outer circle of the first end cover (6). A second sealing ring (17) in contact with the inner wall of the housing (7) is provided on the outer circle of the second end cover (12).

8. The deep-sea optoelectronic separator with a quick disassembly and assembly structure according to claim 1, wherein, A second flange (31) located outside the first end cover (6) is provided on the through-hull member (5). A sixth fixing screw (26) connecting to the first end cover (6) is provided on the second flange (31). A jack (32) corresponding to the through-hull member (5) is provided in the first end cover (6). A third sealing ring (27) in contact with the inner wall of the jack (32) is provided on the through-hull member (5).

9. A disassembly and assembly method for a deep-sea optoelectronic separator, used for the disassembly and assembly of the deep-sea optoelectronic separator with a quick disassembly and assembly structure according to any one of claims 1 to 8, characterized in that, It includes the following assembly steps: Install a cable locking nut (3), a sealing plug (4) and a through-hull member (5) at one end of the optical cable (1). Strip the end of the optical cable (1) to expose the electrical unit (21) and the optical unit (22). Tighten the cable locking nut (3) at both ends of the through-hull member (5). Apply a pre-tightening force to the sealing plug (4) through the cable locking nut (3) to fix and seal the through-hull member (5) on the optical cable (1). Grind the outer circle of a section of the optical cable (1) outside the through-hull member (5) and place it in a mold for vulcanization to obtain a vulcanized layer (2) covering the connection between the through-hull member (5) and the optical cable (1). Install the third sealing ring (27) on the through-hull member (5) and insert it into the jack (32) of the first end cover (6), and fix it with the sixth fixing screw (26). Install the water leakage detection board (11), the high-voltage electrical connector (13), the optical connector (14) and the low-voltage electrical connector (15) on the second end cover (12), and connect the first end cover (6) and the second end cover (12) through the first arc-shaped panel (81). Connect the electrical unit (21) to the corresponding high-voltage electrical connector (13) and low-voltage electrical connector (15), and protect the connection with an insulating heat shrinkable tube. Place the electrical unit (21) in the positioning groove on the mounting plate (101), install the cover plate (102) on the mounting plate (101), and limit the electrical unit (21) one by one. Connect the optical unit (22) and the optical connector (14) through the fiber coiling box (9), then install the second arc-shaped panel (82), and install the second fixing screw (19) and the third fixing screw (23) to complete the fixation of the first end cover (6), the splicing bracket (8) and the second end cover (12). Push the second end cover (12) and the first end cover (6) into the housing (7). Fix the first end cover (6) at the end of the housing (7) with the fifth fixing screw (25), and install the pin (16) to fix the second end cover (12) in the housing (7).

10. The disassembly and assembly method of the deep-sea optoelectronic separator according to claim 9, characterized in that, The following disassembly steps are also included: Remove the pin (16) and the fifth fixing screw (25), and pull out the second end cover (12) and the first end cover (6) from the housing (7); Open the second arc panel (82) to expose the insulation positioning member (10) and the fiber optic splice tray (9), and perform maintenance on the optical unit (22) or the electrical unit (21).

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