Highly Reliable Access Device and Method for Multiport Information and Energy Transmission of Submarine Extension of Electronic Equipment

Abstract

The present invention provides a highly reliable access device and method for multi-port information and energy transmission of an underwater extension of an electronic device in the technical field of underwater electronic devices, including a first underwater extension, a second underwater extension, a first connection kit, and a second connection kit. The first underwater extension and the second underwater extension are respectively connected to an array through the first connection kit, and the first underwater extension and the second underwater extension are respectively connected to an electronic device through the second connection kit. The present invention adopts corresponding watertight connection kits for underwater extensions with different numbers of channels to achieve reliable transmission of large amounts of information, high-power electrical signals, and tiny signals; it can adapt to distributed connections of different combinations of multiple underwater extensions, without being restricted by the device form; when the underwater extension is docked with the watertight connection kit, there are multiple watertight structures designed from the outside to the inside, and the internal kit still has a watertight function, which can continue to form a watertight protection for the electronic cabin of the underwater extension, improving the reliability of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of underwater electronic devices, and specifically, to a high-reliability access device and method for multi-port information and energy transmission of an underwater extension of an electronic device. Background Art

[0002] Since the underwater extension of an electronic device needs to work reliably in the marine environment for a long time and is greatly affected by marine environmental forces such as tides and ocean currents, the reliability and sealing performance of the connection kits between the extensions and with the electronic device play a crucial role. However, in actual use, leakage and unreliable connection of the connection kits still inevitably occur, and these unexpected situations are more concentrated in the traditional connection methods and the watertight performance of the connection kits themselves. And a high-reliability access method for multi-ports of an underwater extension of an electronic device involved in the present invention can achieve high reliability and good watertightness in the connection between underwater extensions and with the electronic device, thereby ensuring the reliability of the underwater extension operation.

[0003] In addition, through querying existing patents and literature by keyword search, no information related to the main content of the present invention patent was found, indicating that there is still room for further development and research in this technical field in China, and there is currently no content for comparative analysis. Summary of the Invention

[0004] Aiming at the defects in the prior art, the purpose of the present invention is to provide a high-reliability access device and method for multi-port information and energy transmission of an underwater extension of an electronic device.

[0005] According to an access device for multi-port information and energy transmission of an underwater extension of an electronic device provided by the present invention, it includes a first underwater extension, a second underwater extension, a first connection kit, and a second connection kit. The first underwater extension and the second underwater extension are respectively connected to an array through the first connection kit, and the first underwater extension and the second underwater extension are respectively connected to an electronic device through the second connection kit.

[0006] In some embodiments, the first connection kit includes a connection kit plug, a connection kit watertight component, a compression sleeve, an O-ring, and a cable. One end of the connection kit plug is connected to the connection kit watertight component through the cable, and the other end of the connection kit plug is provided with an O-ring. The connection kit watertight component is connected to one end of the cable through processes such as mechanical assembly and potting adhesive bonding, and an O-ring is provided between the connection kit watertight component and the compression sleeve.

[0007] In some embodiments, the first connection kit includes a connection kit plug, a connection kit watertight component, a compression sleeve, an O-ring seal, and a cable. The connection kit plug is mechanically assembled to connect to the connection kit watertight component. The connection kit watertight component is connected to one end of the cable through processes such as mechanical assembly and potting bonding. The compression sleeve is connected to the cable, and an O-ring seal is provided between the connection kit watertight component and the compression sleeve.

[0008] In some embodiments, the second connection kit includes a connection kit plug, a connection kit watertight component, a compression sleeve, an O-ring seal, and an optical and electrical composite cable. The connection kit plug is mechanically assembled to connect to the connection kit watertight component. The connection kit watertight component is connected to one end of the optical and electrical composite cable through processes such as mechanical assembly and potting bonding. The compression sleeve is connected to the optical and electrical composite cable, and an O-ring seal is provided between the connection kit watertight component and the compression sleeve.

[0009] In some embodiments, the first underwater extension unit includes a first underwater extension unit cable connection compartment, a first connection kit socket port, a second connection kit socket port, an airtight detection socket port, an electronic compartment, and a first underwater extension unit cable connection compartment end cover. The first underwater extension unit cable connection compartment end cover is provided at the top of the first underwater extension unit cable connection compartment. The bottom of the first underwater extension unit cable connection compartment is connected to the electronic compartment. The first underwater extension unit cable connection compartment is respectively provided with a first connection kit socket port and a second connection kit socket port;

[0010] The first connection kit is connected to the inside of the first connection kit socket port through a compression sleeve. The second connection kit is connected to the inside of the second connection kit socket port through a compression sleeve, and at the same time, the installation and fixation of the O-ring seal in the axial and radial directions are completed, thereby realizing the watertightness of the first underwater extension unit cable connection compartment.

[0011] In some embodiments, the second underwater extension unit includes a second underwater extension unit cable connection compartment, an electronic compartment, and a second underwater extension unit cable connection compartment end cover. The second underwater extension unit cable connection compartment end cover is provided at the top of the second underwater extension unit cable connection compartment. The bottom of the second underwater extension unit cable connection compartment is connected to the electronic compartment. The second underwater extension unit cable connection compartment is respectively provided with a first connection kit socket port and a second connection kit socket port;

[0012] The first connection kit is connected to the inside of the first connection kit socket port through a compression sleeve. The second connection kit is connected to the inside of the second connection kit socket port through a compression sleeve, and at the same time, the installation and fixation of the O-ring seal in the axial and radial directions are completed, thereby realizing the watertightness of the second underwater extension unit cable connection compartment.

[0013] In some embodiments, airtight detection socket ports are provided on both the first underwater extension unit cable connection compartment end cover and the second underwater extension unit cable connection compartment end cover, and airtight detection is performed through the airtight detection socket ports.

[0014] In some embodiments, during the airtight detection process, the sealing screw cap and the sealing plug on the airtight detection socket are removed, and air with a certain pressure is injected into the airtight detection socket. During the pressure holding process, the sealing performance is detected through a pressure gauge.

[0015] In some embodiments, a first connection kit socket and a second connection kit socket are provided at the top of the electronic cabin. The first connection kit sockets are distributed around the second connection kit socket, and O-ring seals are provided in the first connection kit socket and the second connection kit socket;

[0016] After the compression sleeve and the O-ring seal in the first connection kit and the second connection kit are assembled, a first seal is formed; after the first connection kit socket and the second connection kit socket are assembled, the second seal is completed; the first seal is on the outside and the second seal is on the inside, forming multiple seals from the outside to the inside.

[0017] The present invention also provides a method for an access device for multi-port information and energy transmission of an underwater extension of an electronic device, including the following steps:

[0018] S1. The first underwater extension and the second underwater extension are installed on the bracket together, and the array is installed near the outside of the bracket;

[0019] S2. The underwater extension of the array is connected to the first underwater extension and the second underwater extension respectively through the first connection kit;

[0020] S3. The first underwater extension and the second underwater extension are connected to the electronic device through the second connection kit, thereby realizing the transmission of information and energy of the underwater extension of the electronic device.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] (1) The present invention adopts corresponding watertight connection kits for underwater extensions with different numbers of channels to realize reliable transmission of large amounts of information, high-power electrical signals, and tiny signals;

[0023] (2) The present invention can adapt to distributed connections in different combinations of multiple underwater extensions, without being limited by the form of the device;

[0024] (3) When the underwater extension of the present invention is docked with the watertight connection kit, multiple watertight structures are designed from the outside to the inside. Even if there is a leak at the seal between the outermost layer and the extension housing, the internal kit still has a watertight function, which can continue to form a watertight protection for the electronic cabin of the underwater extension and improve the reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, objects, and advantages of the present invention will become more apparent:

[0026] Figure 1 It is a schematic diagram of the connection composition of the underwater extension of the present invention;

[0027] Figure 2 It is a schematic external view of the first connection kit of the present invention;

[0028] Figure 3 It is another schematic external view of the first connection kit of the present invention;

[0029] Figure 4 It is a schematic external view of the second connection kit of the present invention;

[0030] Figure 5 It is a schematic diagram of the port access of the underwater extension connection kit of the present invention Figure 1 ;

[0031] Figure 6 It is a schematic diagram of the port access of the underwater extension connection kit of the present invention Figure 2 ;

[0032] Figure 7 It is a schematic diagram of the port access of the first underwater extension; [[ID=3l]]

[0033] Figure 8 It is a schematic diagram of the port access of the second underwater extension;

[0034] Figure 9 It is a schematic diagram of the airtight detection port of the present invention;

[0035] Figure 10 It is a schematic diagram of the longitudinal watertight design of the electronic cabin of the present invention;

[0036] Figure 11 It is Figure 10 the top view.

[0037] Reference numerals in the figure:

[0038] 1. First underwater extension, 2. Second underwater extension, 3. First connection kit, 4. Second connection kit, 5. Connection kit plug, 6. Connection kit watertight component, 7. Compression sleeve, 8. O-ring, 9. Cable, 10. Optoelectronic composite cable, 11. First underwater extension cable connection cabin, 12. Second underwater extension cable connection cabin, 13. First connection kit plug-in port, 14. Second connection kit plug-in port, 15. Airtight detection plug-in port, 16. Electronic cabin, 17. First underwater extension cable connection cabin end cover, 18. Second underwater extension cable connection cabin end cover, 19. Sealing screw cap, 20. Sealing plug, 21. First connection kit socket, 22. Second connection kit socket. Detailed implementation manners

[0039] The present invention will be described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several changes and improvements can still be made. These all belong to the protection scope of the present invention.

[0040] Example 1

[0041] According to an access device for multi-port information and energy transmission of an underwater extension of an electronic device provided by the present invention, it includes a first underwater extension, a second underwater extension, a first connection kit 3, and a second connection kit 4. The first underwater extension and the second underwater extension are co-mounted on a bracket to form an underwater extension, and an array (third underwater extension) is installed near the outside of the bracket. The first underwater extension and the second underwater extension are respectively connected to the array through the first connection kit 3, and the first underwater extension and the second underwater extension are respectively connected to the electronic device through the second connection kit 4, thereby forming a system to achieve its underwater target detection function.

[0042] As Figure 2 shown, the first connection kit 3 includes a connection kit plug 5, a connection kit watertight component 6, a compression sleeve 7, an O-ring 8, and a cable 9. One end of the connection kit plug 5 is connected to the connection kit watertight component 6 through the cable 9, and the other end of the connection kit plug 5 is provided with an O-ring 8. The connection kit watertight component 6 is connected to one end of the cable 9 through processes such as mechanical assembly and potting bonding. An O-ring 8 is provided between the connection kit watertight component 6 and the compression sleeve 7, and the other end of the cable 9 is connected to the plug at the array (third underwater extension) end of the connection kit.

[0043] Or, as Figure 3 shown, the first connection kit 3 includes a connection kit plug 5, a connection kit watertight component 6, a compression sleeve 7, an O-ring 8, and a cable 9. The connection kit plug 5 is connected to the connection kit watertight component 6 through mechanical assembly. The connection kit watertight component 6 is connected to one end of the cable 9 through processes such as mechanical assembly and potting bonding. The compression sleeve 7 is connected to the cable 9, and an O-ring 8 is provided between the connection kit watertight component 6 and the compression sleeve 7. The other end of the cable 9 is connected to the plug at the array (third underwater extension) end of the connection kit.

[0044] As Figure 4As shown in the figure, the second connection kit 4 includes a connection kit plug 5, a connection kit watertight component 6, a compression sleeve 7, an O-ring 8, and an optical and electrical composite cable 10. The connection kit plug 5 is mechanically assembled and connected to the connection kit watertight component 6. The connection kit watertight component 6 is connected to one end of the optical and electrical composite cable 10 through processes such as mechanical assembly and potting bonding. The compression sleeve 7 is connected to the optical and electrical composite cable 10. An O-ring 8 is provided between the connection kit watertight component 6 and the compression sleeve 7. The other end of the optical and electrical composite cable 10 is provided with a connection kit electronic equipment end plug.

[0045] The connection kit plug 5 and the connection kit watertight component 6 in the first connection kit 3 and the second connection kit 4 are designed separately. The connection kit watertight component 6 is on the outside and the connection kit plug 5 is on the inside. They each perform their own functions, thus maximizing their respective working performances.

[0046] As Figures 5 - 8 shown in the figure, the first underwater extension unit includes a first underwater extension unit cable connection cabin 11, a first connection kit socket port 13, a second connection kit socket port 14, an airtight detection socket port 15, an electronic cabin 16, and a first underwater extension unit cable connection cabin end cover 17. A first underwater extension unit cable connection cabin end cover 17 is provided at the top of the first underwater extension unit cable connection cabin 11. The bottom of the first underwater extension unit cable connection cabin 11 is connected to the electronic cabin 16. A first connection kit socket port 13 and a second connection kit socket port 14 are respectively provided on the first underwater extension unit cable connection cabin 11. The first connection kit 3 is connected to the inside of the first connection kit socket port 13 through a compression sleeve 7. The second connection kit 4 is connected to the inside of the second connection kit socket port 14 through a compression sleeve 7. At the same time, the installation and fixation of the O-ring 8 in the axial and radial directions are completed, thereby realizing the watertightness of the first underwater extension unit cable connection cabin 11. That is, by squeezing the O-ring 8 to cause it to undergo elastic deformation, the installation and fixation of the axial O-ring 8 and the radial O-ring 8 are completed, and a contact pressure is generated on the sealing contact surface. The contact pressure is greater than the sealing medium pressure, thus realizing watertightness.

[0047] The second underwater extension unit includes a second underwater extension unit cable connection cabin 12, an electronic cabin 16, and a second underwater extension unit cable connection cabin end cover 18. The second underwater extension unit cable connection cabin end cover 18 is provided at the top of the second underwater extension unit cable connection cabin 12. The bottom of the second underwater extension unit cable connection cabin 12 is connected to the electronic cabin 16. The first connection kit plug port 13 and the second connection kit plug port 14 are respectively provided on the second underwater extension unit cable connection cabin 12. The first connection kit 3 is connected to the inside of the first connection kit plug port 13 through the compression sleeve 7. The second connection kit 4 is connected to the inside of the second connection kit plug port 14 through the compression sleeve 7. At the same time, the installation and fixation of the O-ring 8 in the axial and radial directions are completed, thereby realizing the watertightness of the second underwater extension unit cable connection cabin 12. That is, by squeezing the O-ring 8 to make it elastically deformed, the installation and fixation of the axial seal ring 8 and the radial seal ring 8 are completed, and a contact pressure is generated on the sealing contact surface. The contact pressure is greater than the sealing medium pressure to achieve watertightness.

[0048] As Figure 9 shown, airtight detection plug ports 15 are provided on both the first underwater extension unit cable connection cabin end cover 17 and the second underwater extension unit cable connection cabin end cover 18. Airtight detection is carried out through the airtight detection plug ports 15. During the airtight detection process, the sealing screw cap 19 and the sealing plug 20 on the airtight detection plug port 15 are removed, and air with a certain pressure is injected into the airtight detection plug port 15. During the pressure holding process, the sealing performance is detected through a pressure gauge.

[0049] A first connection kit socket 21 and a second connection kit socket 22 are provided at the top of the electronic cabin 16. The first connection kit socket 21 is distributed around the second connection kit socket 22. O-rings 8 are provided in the first connection kit socket 21 and the second connection kit socket 22. The compression sleeve 7 and the O-ring 8 in the first connection kit 3 and the second connection kit 4 form the first seal after assembly; the first connection kit socket 21 and the second connection kit socket 22 complete the second seal after assembly; the first seal is on the outside and the second seal is on the inside, forming multiple seals from the outside to the inside.

[0050] More specifically, Figure 9 is a schematic diagram of the airtight detection plug port of the present invention. The first underwater extension unit cable connection cabin end cover 17 and the second underwater extension unit cable connection cabin end cover 18 are each designed with an airtight detection plug port 15. After the first connection kit and the second connection kit are assembled and fixed, airtight detection can be started. First, the sealing screw cap 19 and the sealing plug 20 are removed, then a special air injection tooling is connected to the airtight detection plug port, and finally, air with a certain pressure is injected through an air compressor and the pressure is held for a certain time, and the change of the pressure gauge value is observed to judge the sealing performance of the cabin body.

[0051] Figures 10 - 11It is a schematic diagram of the longitudinal watertight structure of the electronic cabin of the present invention. Multiple sets of first connection kit sockets 21 and second connection kit sockets 22 are arranged on the top of the electronic cabin, and both are sockets with longitudinal watertight functions selected in the design. Thus, the first connection kit and the second connection kit form the first seal with the cable connection cabin and the second longitudinal seal between the cable connection cabin and the electronic cabin.

[0052] Example 2

[0053] The present invention also provides a method for an access device of multi-port information and energy transmission of an underwater extension of an electronic device, including the following steps:

[0054] S1. The first underwater extension and the second underwater extension are co-mounted on a bracket, and the array is installed near the outside of the bracket.

[0055] S2. The underwater extension of the array 3 is respectively connected to the first underwater extension and the second underwater extension through the first connection kit 3.

[0056] S3. The first underwater extension and the second underwater extension are connected to the electronic device through the second connection kit 4, so as to realize the transmission of information and energy of the underwater extension of the electronic device.

[0057] More specifically, the achievement of the present invention is a method for highly reliable access of multi-port cables of an underwater extension of an electronic device. Based on the functional characteristics of the underwater extension, this method can access multiple connection kits, thereby realizing the transmission of big data, high-power information and energy. In addition, this method has good underwater sealing performance and high reliability, has good protection ability for the underwater extension, can reduce later maintenance and repair; at the same time, it can adapt to distributed connections of different combinations of multiple underwater extensions and is not limited by the device form.

[0058] The present invention relates to a method for highly reliable access of multi-ports of an underwater extension. This method includes the design and selection of the first connection kit 3 and the second connection kit 4, and also includes the design of the multi-port cable connection cabin, the design of watertight and airtight detection. In addition, it also includes the longitudinal watertight design between the cable connection cabin and the electronic cabin. The underwater extension of the present invention is composed of the co-mounting of the first underwater extension 1 and the second underwater extension 2. The array (the third underwater extension) and the electronic device are multi-port connected through the first connection kit 3 and the second connection kit 4, so as to realize the normal operation of the underwater extension.

[0059] The underwater extension of the present invention is relatively large in size and needs to work reliably in the marine environment for a long time. It is greatly affected by marine environmental forces such as tides and ocean currents. This poses new requirements for the high reliability of the first connection kit and the second connection kit. The connection kit needs to be reliable and have good watertightness. Traditional connection kits are mostly through-wall watertight structures, which may have leakage risks and poor reliability when working underwater for a long time under the influence of marine environmental forces. Therefore, it is necessary to design the watertight structure and the connection plug separately, and preferably select such a connection kit product.

[0060] The multi-port cable connection cabin includes the first underwater extension cable connection cabin and the second underwater extension cable connection cabin. The first underwater extension connection cabin is designed in the form of a flange end cover structure, on which multiple groups of first connection kit ports, second connection kit ports and airtight detection ports are arranged. After the first connection kit and the second connection kit are connected to the respective ports of the first underwater extension cable connection cabin, their watertight design is achieved through radial seals and axial seals. After the first connection kit and the second connection kit are assembled with the first underwater extension cable connection cabin, an air injection tooling is installed into the airtight detection port for airtight testing to detect its airtightness, so as to ensure the sealing of the first underwater extension cable connection cabin. The second underwater extension cable connection cabin has a similar flange end cover structure design to the first underwater extension cable connection cabin, on which first connection kit ports, second connection kit ports and airtight detection ports are arranged. Its watertight design and airtight detection design are similar to those of the first underwater extension cable connection cabin, which will not be elaborated here.

[0061] The longitudinal watertight design between the cable connection cabin and the electronic cabin is based on the watertight design of the electronic cabin. The electronic cabin adopts a segmented structure design and realizes its watertightness through the radial sealing method of hole-shaft cooperation. Multiple groups of first connection kit sockets and second connection kit sockets are arranged on the top of the electronic cabin, and they all have the function of longitudinal watertightness. After the cable connection cabin and the electronic cabin are assembled, in addition to the first seal between the first connection kit and the second connection kit and the cable connection cabin, there is also a second longitudinal seal between the cable connection cabin and the electronic cabin. Even if the first seal fails, there is still the second longitudinal seal, which can ensure the safety of the underwater extension electronic cabin, so as to achieve the high reliability of the first connection kit and the second connection kit accessing the underwater extension.

[0062] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present application.

[0063] The specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention. Without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. An access device for multi-port information and energy transmission of an underwater extension of an electronic device, characterized in that It includes a first underwater extension unit (1), a second underwater extension unit (2), a first connection kit (3) and a second connection kit (4). The first underwater extension unit (1) and the second underwater extension unit (2) are respectively connected to the array through the first connection kit (3), and the first underwater extension unit (1) and the second underwater extension unit (2) are respectively connected to the electronic device through the second connection kit (4). The first connection kit (3) includes a connection kit plug (5), a connection kit watertight component (6), a compression sleeve (7), an O-ring (8) and a cable (9). One end of the connection kit plug (5) is connected to the connection kit watertight component (6) through the cable (9). The other end of the connection kit plug (5) is provided with the O-ring (8). The connection kit watertight component (6) is connected to one end of the cable (9) through mechanical assembly and potting bonding process. The O-ring (8) is provided between the connection kit watertight component (6) and the compression sleeve (7). The first underwater extension unit (1) includes a first underwater extension unit cable connection compartment (11), a first connection kit socket port (13), a second connection kit socket port (14), an airtight detection socket port (15), an electronic compartment (16) and a first underwater extension unit cable connection compartment end cover (17). The first underwater extension unit cable connection compartment end cover (17) is provided at the top of the first underwater extension unit cable connection compartment (11). The bottom of the first underwater extension unit cable connection compartment (11) is connected to the electronic compartment (16). The first connection kit socket port (13) and the second connection kit socket port (14) are respectively provided on the first underwater extension unit cable connection compartment (11). The first connection kit (3) is connected to the inside of the first connection kit socket port (13) through the compression sleeve (7). The second connection kit (4) is connected to the inside of the second connection kit socket port (14) through the compression sleeve (7). At the same time, the installation and fixation of the O-ring (8) in the axial and radial directions are completed, thereby realizing the watertightness of the first underwater extension unit cable connection compartment (11). The second underwater extension unit (2) includes a second underwater extension unit cable connection compartment (12), an electronic compartment (16) and a second underwater extension unit cable connection compartment end cover (18). The second underwater extension unit cable connection compartment end cover (18) is provided at the top of the second underwater extension unit cable connection compartment (12). The bottom of the second underwater extension unit cable connection compartment (12) is connected to the electronic compartment (16). The first connection kit socket port (13) and the second connection kit socket port (14) are respectively provided on the second underwater extension unit cable connection compartment (12). The first connection kit (3) is connected inside the first connection kit jack port (13) through the compression sleeve (7), and the second connection kit (4) is connected inside the second connection kit jack port (14) through the compression sleeve (7). At the same time, the O-ring seal (8) is installed and fixed axially and radially, thereby realizing the watertightness of the second underwater sub-unit cable connection cabin (12). Both the first underwater sub-unit cable connection cabin end cover (17) and the second underwater sub-unit cable connection cabin end cover (18) are provided with airtight detection jack ports (15), and airtight detection is carried out through the airtight detection jack ports (15). On the top of the electronic cabin (16), there are a first connection kit socket (21) and a second connection kit socket (22). The first connection kit sockets (21) are distributed around the second connection kit socket (22), and the O-ring seal (8) is provided inside the first connection kit socket (21) and the second connection kit socket (22). After the compression sleeve (7) and the O-ring seal (8) in the first connection kit (3) and the second connection kit (4) are assembled, a first seal is formed; after the first connection kit socket (21) and the second connection kit socket (22) are assembled, the second seal is completed; the first seal is on the outside, and the second seal is on the inside, forming multiple seals from the outside to the inside.

2. The access device for multi-port information and energy transmission of the underwater extension of the electronic device according to claim 1, characterized in that The first connection kit (3) includes a connection kit plug (5), a connection kit watertight component (6), a compression sleeve (7), an O-ring seal (8), and a cable (9). The connection kit plug (5) is mechanically assembled to connect the connection kit watertight component (6), and the connection kit watertight component (6) is connected to one end of the cable (9) through mechanical assembly and potting adhesive bonding process. The compression sleeve (7) is connected to the cable (9), and the O-ring seal (8) is provided between the connection kit watertight component (6) and the compression sleeve (7).

3. The access device for multi-port information and energy transmission of the underwater extension of the electronic device according to claim 1, characterized in that, The second connection kit (4) includes a connection kit plug (5), a connection kit watertight component (6), a compression sleeve (7), an O-ring seal (8), and an optical fiber composite cable (10). The connection kit plug (5) is mechanically assembled to connect the connection kit watertight component (6), and the connection kit watertight component (6) is connected to one end of the optical fiber composite cable (10) through mechanical assembly and potting adhesive bonding process. The compression sleeve (7) is connected to the optical fiber composite cable (10), and the O-ring seal (8) is provided between the connection kit watertight component (6) and the compression sleeve (7).

4. The access device for multi-port information and energy transmission of the underwater extension of the electronic device according to claim 1, characterized in that, During the airtight detection process, the sealing screw cap (19) and the sealing plug (20) on the airtight detection jack port (15) are removed, and air with a certain pressure is injected into the airtight detection jack port (15). During the pressure holding process, the sealing performance is detected through a pressure gauge.

5. A method for an access device of multi-port information and energy transmission of an underwater extension of an electronic device according to any one of claims 1-4, characterized in that, Including the following steps: S1. The first underwater sub-unit (1) and the second underwater sub-unit (2) are co-mounted on a bracket, and the array is installed near the outside of the bracket. S2. Connect the array to the first underwater extension unit (1) and the second underwater extension unit (2) respectively through the first connection kit (3); S3. Connect the first underwater extension unit (1) and the second underwater extension unit (2) to the electronic device through the second connection kit (4), so as to realize the transmission of information and energy between the underwater extension units of the electronic device.

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