Underwater electrical module connection structure and underwater communication equipment

Abstract

The utility model discloses an underwater electrical module connection structure and underwater communication equipment, and the structure comprises a housing which forms an accommodation space and is made of a pressure-resistant material; the shell is provided with a first interface; the channel is tubular and comprises a first end and a second end; the first end is hermetically connected to the first interface, and the second end extends into the inner cavity of the shell; a fiber optic wet socket sized and shaped to be hermetically received at the first end; the inner wall of the shell and the outer wall of the channel form a sealed space, and insulating liquid and an electrical functional component are accommodated in the sealed space; the wall of the channel is provided with at least one second interface, and the second interface is internally provided with an optical fiber dry-type voltage-withstanding plug in a sealed manner. The optical fiber dry-type voltage-withstanding plug is in electric communication connection with the electrical functional component; the interior of the channel is a dry space, and the interior of the dry space is provided with an optical fiber which is connected with the inner side end of the optical fiber wet-type socket and the optical fiber dry-type voltage-withstanding plug. According to the underwater electrical module, the underwater electrical module has more stable electrical connection effects and is not easy to damage.

Description

Technical Field

[0001] The present application relates to the technical field of underwater electrical equipment, and in particular to an underwater electrical module connection structure and underwater communication equipment. Background Art

[0002] In underwater production environments, underwater electrical equipment, such as underwater communication equipment, uses optical fiber lines to communicate with ground equipment. Therefore, after the underwater electrical equipment is lowered to the manifold, the underwater robot or underwater installer inserts the optical fiber cable into the optical fiber wet socket of the underwater electrical equipment. The underwater electrical equipment contains water depth compensation devices and other electrical components, so the internal components need to withstand water pressure and be sealed. Therefore, the electrical components are immersed in silicone oil, and the cables connecting the external cables to the internal electrical components are also immersed in silicone oil. Therefore, the underwater electrical module is easily affected by external forces during installation and underwater operation, making the electrical or communication data connection unstable, which provides a lot of inconvenience for the safe and stable operation of underwater electrical equipment. Summary of the invention

[0003] In view of this, the technical problem to be solved by the present application is to provide an underwater electrical module connection structure and underwater communication equipment to solve the problem of unstable electrical communication connection lines during installation and operation of existing underwater electrical modules.

[0004] In order to solve the above problems, the present application provides an underwater electrical module connection structure in one aspect, including:

[0005] An outer shell, which constitutes a containing space and is made of pressure-resistant material; a first interface is constructed on the outer shell; a channel, which is tubular and includes a first end and a second end, the first end is an open end, and the second end is a closed end; the first end is sealed and connected to the first interface, and the second end extends into the inner cavity of the outer shell; the channel is made of pressure-resistant material; and an optical fiber wet socket, the size and shape of the optical fiber wet socket are configured to be sealed and contained in the first end; wherein, the inner wall of the outer shell and the outer wall of the channel form a sealed space, which contains insulating liquid and electrical functional components of the underwater electrical module; wherein at least one second interface is arranged on the wall of the channel, and an optical fiber dry pressure-resistant plug is sealed in the second interface; the optical fiber dry pressure-resistant plug is electrically and communicatively connected to the electrical functional components; wherein the channel is a dry space, and an optical fiber is arranged in the dry space, and the optical fiber connects the inner end of the optical fiber wet socket and the optical fiber dry pressure-resistant plug.

[0006] Another aspect of the present application provides an underwater communication device, which includes the underwater electrical module connection structure in any embodiment.

[0007] At least one embodiment of the present application has the advantage that the optical fiber connection structure of the underwater electrical module is stable and not easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1A A top view of an underwater communication device provided for one embodiment of the present application;

[0009] Figure 1B for Figure 1A A cross-sectional view of the embodiment shown in the BB direction.

[0010] Figure 2A A front view of an underwater communication device provided for another embodiment;

[0011] Figure 2B for Figure 2A A cross-sectional view of the embodiment shown in the CC direction; DETAILED DESCRIPTION

[0012] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and more understandable, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0013] Words related to directions in the present application, such as up, down, top, bottom, high, and low, are based on the position of the underwater electrical equipment in normal use.

[0014] Words related to space in this application, such as inside and outside, are based on the position of the underwater electrical equipment in normal use as a reference position, the space close to the center is inside, and the space far from the center is outside.

[0015] In this application, "pressure-resistant" material refers to a material that can withstand a pressure of at least 1500 meters of water depth or 15Mpa of atmospheric pressure.

[0016] In the present application, the "ground equipment" is used to receive data obtained by the underwater electrical module through optical fiber and send control commands to the underwater electrical module.

[0017] In the prior art, the optical fiber or cable connecting the external optical fiber of the underwater electrical module and the internal electrical functional components is in the same insulating liquid as the electrical functional components, which is not conducive to the stable connection of the optical fiber or cable. In order to solve the problems existing in the prior art, the present application proposes the following technical solutions:

[0018] One aspect of the present application provides an underwater electrical module connection structure, comprising:

[0019] The shell forms a containing space, and the shell is made of pressure-resistant material; a first interface is constructed on the shell; a channel, the channel is tubular, including a first end and a second end, the first end is an open end, and the second end is a closed end; the first end is sealed and connected to the first interface, and the second end extends into the inner cavity of the shell; the channel is made of pressure-resistant material; an optical fiber wet socket, the size and shape of the optical fiber wet socket are configured to be sealed and contained at the first end; wherein the inner wall of the shell and the outer wall of the channel form a sealed space, in which insulating liquid and electrical functional components of the underwater electrical module are contained; wherein at least one second interface is arranged on the wall of the channel, and an optical fiber dry pressure-resistant plug is sealed in the second interface; the optical fiber dry pressure-resistant plug is electrically connected to the electrical functional components; wherein the channel is a dry space, and an optical fiber is arranged in the dry space, and the optical fiber connects the inner side end of the optical fiber wet socket and the optical fiber dry pressure-resistant plug. This connection structure makes the connection between the optical fiber and the electrical functional components inside the operation module more stable, less susceptible to interference from the external environment and less susceptible to damage.

[0020] In at least one embodiment of the underwater electrical module connection structure, the optical fiber wet-type socket is used to connect the second optical fiber, and the second optical fiber is used to connect the underwater electrical module with the ground equipment.

[0021] In at least one embodiment of the underwater electrical module connection structure, the insulating liquid is silicone oil.

[0022] In at least one embodiment of the underwater electrical module connection structure, two second interfaces are provided on the wall of the channel, and an optical fiber dry-type pressure-resistant plug is provided in each second interface.

[0023] In at least one embodiment of the underwater electrical module connection structure, the dry space is filled with gas at a pressure of 1 atmosphere.

[0024] In at least one embodiment of the underwater electrical module connection structure, a fiber optic dry type pressure-resistant socket is provided on the fiber optic dry type pressure-resistant plug, and the optical fiber is connected to the fiber optic dry type pressure-resistant plug through the fiber optic dry type pressure-resistant socket.

[0025] In at least one embodiment of the underwater electrical module connection structure, the optical fiber is connected to the optical fiber dry socket by fusion splicing, or the optical fiber is connected to the optical fiber segment on the optical fiber dry socket by fusion splicing.

[0026] Another aspect of the present application provides an underwater communication device, which includes the underwater electrical module connection structure in any embodiment.

[0027] The specific implementation process of this application will be described in detail below with reference to the accompanying drawings:

[0028] Figure 1A and Figure 1BAs shown, it is a top view and a cross-sectional view in the BB direction of an underwater communication device provided by an embodiment of the present application. The underwater communication device 100 includes a shell, which is composed of a shell body 1 and a top cover 2. The shell body 1 and the top cover 2 are all made of pressure-resistant steel; the shell body 1 is a box-type space structure, and the shape can be a cube, a rectangular parallelepiped, a cylinder, etc. The top cover 2 is covered on the shell body, so that the internal space of the shell body forms a closed space to accommodate necessary electro-hydraulic functional components including but not limited to water depth compensators, water pressure detectors, water temperature detectors, underwater electronic modules, electro-hydraulic control valves, underwater communication modules, accumulators, etc., and other electrical functional components. The top cover 2 is provided with a first interface, in which an optical fiber wet socket 3 is provided, and the first interface and the optical fiber wet socket 3 are sealed and fixedly connected; the top cover is also provided with a channel 4, which is a U-shaped pipe made of pressure-resistant steel, one end of which is open and the other end is closed, and the open end is sealed and fixedly connected to the inner side of the first interface through an axial sealing ring 11 and a radial sealing ring 12, so that the space between the inner end of the optical fiber wet socket 3 and the other closed end of the channel is a dry space 10. The inner wall of the shell and the outer wall of the channel 4 form a sealed space, which is filled with insulating silicone oil 7 and the electrical functional components of the underwater communication equipment are placed. A second opening is provided on the wall of the channel 4, and an optical fiber dry plug 6 is provided in the second opening. The optical fiber dry plug 6 is located on one side of the insulating silicone oil and is connected to the electrical functional components of the underwater communication equipment. The optical fiber dry plug 6 is also connected to the optical fiber dry socket 5 on the side located in the channel 4. An optical fiber 8 is also arranged in the dry space 10 of the channel 4. The two ends of the optical fiber 8 are respectively connected to one side of the optical fiber wet socket 3 located in the channel 4 and the optical fiber dry socket 5, so that the optical fiber wet socket 3 is connected to the electrical functional components of the underwater communication equipment through electrical signals. The optical fiber wet socket 3 is connected to a second optical fiber, and the second optical fiber is used to connect the underwater communication equipment with the ground equipment. The optical fiber 8 is formed by fusing the optical fiber segments respectively connected to the optical fiber dry socket 5 and the optical fiber segments at the inner side end of the optical fiber wet socket 3 through the fusion splicing segment 9.

[0029] In an optional embodiment, the underwater communication device includes two or more second interfaces, and each second interface is provided with a corresponding optical fiber dry plug. Figure 2A and Figure 2B In the illustrated embodiment, in addition to the optical fiber dry plug 6, a second optical fiber dry plug 13 is also provided in the CC direction of the underwater communication device, and the second optical fiber dry plug 13 is also connected to the electrical functional components inside the underwater communication device.

[0030] The preferred embodiments of the present invention are described above with reference to the accompanying drawings, but the scope of the present invention is not limited thereby. A person skilled in the art may implement the present invention in a variety of variations without departing from the scope and essence of the present invention, such as using a feature of one embodiment to obtain another embodiment. Any modification, equivalent substitution and improvement made within the technical concept of the present invention shall be within the scope of the present invention.

Claims

1. An underwater electrical module connection structure, characterized in that include: A housing, the housing forming a receiving space and being made of a pressure-resistant material; a first interface being configured on the housing; A channel, the channel is tubular, including a first end and a second end, the first end is an open end, and the second end is a closed end; the first end is sealed and connected to the first interface, and the second end extends into the inner cavity of the housing; the channel is made of pressure-resistant material; an optical fiber wet socket, the size and shape of the optical fiber wet socket is configured to be sealed and accommodated in the first end; The inner wall of the housing and the outer wall of the channel form a sealed space, in which insulating liquid and electrical functional components of the underwater electrical module are contained; at least one second interface is provided on the wall of the channel, and an optical fiber dry-type pressure-resistant plug is sealed in the second interface; the optical fiber dry-type pressure-resistant plug is electrically connected to the electrical functional components; The channel is a dry space, an optical fiber is arranged in the dry space, and the optical fiber connects the inner end of the optical fiber wet socket and the optical fiber dry pressure-resistant plug.

2. The underwater electrical module connection structure according to claim 1, characterized in that: The optical fiber wet socket is used to connect a second optical fiber, and the second optical fiber is used to connect the underwater electrical module with ground equipment.

3. The underwater electrical module connection structure according to claim 1, characterized in that: The insulating liquid is silicone oil.

4. The underwater electrical module connection structure according to claim 1, characterized in that: Two second interfaces are arranged on the wall of the channel, and an optical fiber dry-type pressure-resistant plug is arranged in each second interface.

5. The underwater electrical module connection structure according to claim 1, characterized in that: The dry space is filled with gas, and the gas pressure is 1 atmosphere.

6. The underwater electrical module connection structure according to claim 1 or 4, characterized in that: The optical fiber dry-type pressure-resistant plug is provided with an optical fiber dry-type pressure-resistant socket, and the optical fiber is connected to the optical fiber dry-type pressure-resistant plug through the optical fiber dry-type pressure-resistant socket.

7. The underwater electrical module connection structure according to claim 6, characterized in that: The optical fiber is connected to the optical fiber dry socket by fusion splicing.

8. An underwater communication device, characterized in that: The underwater communication equipment includes an underwater electrical module connection structure as described in any one of claims 1-7.

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