Five-piece underwater electronic unit

Abstract

The invention provides a five-piece underwater electronic unit, which relates to the technical field of underwater oil extraction, gas tree or manifold control and monitoring, and comprises a control function assembly and a structure assembly, the control function assembly comprises a power panel assembly, a serial port and optical fiber Ethernet server gateway, an on-chip system main data processing CPU assembly, an underwater electromagnetic valve driving assembly and an input and output interface board. The structural assembly comprises a lower end cover; and the board card brackets are arranged at the upper part of the lower end cover and are respectively connected with the power supply board assembly, the serial port and optical fiber Ethernet server gateway, the system-on-chip main data processing CPU assembly and the underwater electromagnetic valve driving assembly. The high-integration SOC technology is adopted, the occupied space of a board card is reduced, the miniaturization requirement is met, and the heat dissipation efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of control and monitoring technology for subsea oil production, gas trees or manifolds, and particularly to a 5-chip subsea electronic unit. Background Technology

[0002] To enable control and monitoring between subsea and surface oil and gas systems, subsea electronic modules are typically installed on subsea production trees or manifolds. Current subsea electronic modules usually use a set of independent subsea boards with multiple functions to form a control system, resulting in a multi-layered structure for the mounting bracket of the subsea electronic modules. Each layer needs to reserve a certain amount of control for heat dissipation, resulting in very large size and weight of the subsea electronic modules. Summary of the Invention

[0003] The main technical problem to be solved by the present invention is the large size and weight of the underwater electronic module. In order to overcome the above-mentioned defects of the prior art, a 5-piece underwater electronic unit is provided.

[0004] The technical solution adopted by this invention to solve its technical problem is: A five-chip underwater electronic unit includes control function components and structural components. The control function components include a power board assembly, a serial port and fiber optic Ethernet server gateway, an on-chip system main data processing CPU assembly, an underwater solenoid valve drive assembly, and an input / output interface board. The structural components include a lower end cover on which the input / output interface board is mounted. Multiple board brackets are disposed on the upper part of the lower end cover and are respectively connected to the power board assembly, the serial port and fiber optic Ethernet server gateway, the on-chip system main data processing CPU assembly, and the underwater solenoid valve drive assembly.

[0005] Furthermore, the structural assembly also includes an upper end cover disposed on top of the board bracket; and a housing sleeved over the board bracket and the upper end cover and connected to the lower end cover.

[0006] Furthermore, the input / output interface board has 4~20mA, Modbus RTU RS485, Modbus TCP, and Ethernet TCP / IP interfaces, providing bus functionality, and interacting with the power board assembly, serial port and fiber optic Ethernet server gateway, on-chip system main data processing CPU assembly, and underwater solenoid valve drive assembly, respectively.

[0007] Furthermore, the board bracket is made of copper alloy.

[0008] Furthermore, a groove is located on the upper part of the board bracket, and the upper cover plate is inserted into the groove and fixed by bolts.

[0009] Furthermore, the power board assembly, serial port and fiber optic Ethernet server gateway, on-chip system main data processing CPU assembly, and underwater solenoid valve drive assembly are fastened to the board bracket by long bolts.

[0010] Furthermore, the upper edge of the lower end cover has a pivot, and each board bracket is rotatably connected to the lower end cover through the corresponding pivot.

[0011] Furthermore, there is a reserved space between the two adjacent board brackets to facilitate the installation of the board brackets.

[0012] Furthermore, two sealing rings are fitted on the outer wall of the lower end cover, and the lower end cover and the outer shell are sealed together through the two sealing rings on the side wall of the lower end cover.

[0013] Furthermore, the outer side of the lower end cover is fastened to the outer shell by bolts.

[0014] The beneficial effects of this invention are: 1. This invention proposes a new method for installing underwater control boards. By using highly integrated SOC technology, the space occupied by the boards is reduced, thus meeting the requirements for miniaturization and light weight of underwater electronic modules.

[0015] 2. This invention proposes a new heat conduction method. The circuit board bracket is made of copper alloy and is connected to the lower end cover and the upper end cover. The upper and lower end covers are connected to the outer shell, thereby effectively conducting the heat of the electronic circuit board to the outer shell and improving the heat dissipation efficiency of the underwater electronic module. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the first internal structure of the present invention; Figure 3 This is a schematic diagram of the second internal structure of the present invention; Figure 4 This is a schematic diagram showing the connection between the control function components and the structural components of the present invention; Figure 5 This is a schematic diagram of the structure of the present invention in the unclosed state of the outer shell.

[0018] Explanation of the labels in the diagram: 1. Power supply board assembly; 2. Serial port and fiber optic Ethernet server gateway; 3. On-chip system main data processing CPU assembly; 4. Underwater solenoid valve drive assembly; 5. Input / output interface board; 6. Board bracket; 7. Lower end cover; 8. Upper end cover; 9. Housing. Detailed Implementation

[0019] The present invention will be further described below with reference to specific embodiments. The illustrative embodiments and descriptions herein are used to explain the present invention, but are not intended to limit the present invention.

[0020] Example: Figures 1-5 The image shows a 5-chip underwater electronic unit.

[0021] Reference Figures 1-5 As shown, this invention discloses a 5-chip underwater electronic unit, consisting of 5 main control function components and 4 structural components. The control function components include a power board component 1, a serial port and fiber optic Ethernet server gateway 2, an on-chip system main data processing CPU component 3, an underwater solenoid valve drive component 4, and an input / output interface board 5. Furthermore, the input / output interface board 5 has 4~20mA, Modbus RTU RS485, Modbus TCP, and Ethernet TCP / IP interfaces, providing bus functionality and interacting with the power board component 1, the serial port and fiber optic Ethernet server gateway 2, the on-chip system main data processing CPU component 3, and the underwater solenoid valve drive component 4, respectively. By employing highly integrated SOC technology, the space occupied by traditional distributed structures is reduced.

[0022] The structural components include a lower end cover 7; a circuit board bracket 6 disposed on the upper part of the lower end cover 7, wherein, preferably, the circuit board bracket 6 is made of copper alloy material, and heat is efficiently conducted through the circuit board bracket 6 during use; an upper end cover 8 disposed on the top of the circuit board bracket 6; and a housing 9 sleeved on the outside of the circuit board bracket 6 and the upper end cover 8 and connected to the lower end cover 7, wherein, preferably, the upper part of the circuit board bracket 6 has a groove, and the upper cover 8 is fitted into the groove and fixed by bolts.

[0023] Specifically, refer to Figure 1 and Figure 4 As shown, there are four board brackets 6. The power board assembly 1, the serial port and fiber optic Ethernet server gateway 2, the on-chip system main data processing CPU assembly 3, and the underwater solenoid valve drive assembly 4 are respectively mounted on the board brackets 6. Preferably, the power board assembly 1, the serial port and fiber optic Ethernet server gateway 2, the on-chip system main data processing CPU assembly 3, and the underwater solenoid valve drive assembly 4 are fastened to the board brackets 6 by long bolts. The input / output interface board 5 is mounted on the lower end cover 7. The upper edge of the lower end cover 7 has a pivot, allowing each board bracket 6 to be rotatably connected to the lower end cover 7 via a corresponding pivot. There is reserved space between adjacent board brackets 6 to facilitate installation.

[0024] Moreover, refer to Figure 2 and Figure 5 As shown, two sealing rings are fitted on the outer wall of the lower end cover 7. The lower end cover 7 and the outer shell 9 are sealed together by the two sealing rings on the side wall of the lower end cover 7. Finally, a ring of bolts is used to fasten the lower end cover 7 to the outer shell 9 on the outer side of the end face. When in use, after confirming that the internal connection is complete, pull up each board bracket 6 and place it in place. Then, put the upper cover plate 8 into the groove, and then fix the upper cover plate 8 to each board bracket 6 with bolts. Finally, put on the outer shell, and tighten the outer shell 9 and the lower cover plate 7 with bolts to complete the installation.

[0025] The circuit board bracket 6 proposed in this invention is made of copper alloy and is connected to the lower end cover 7 and the upper end cover 8. The end cover is connected to the outer shell 9, thereby effectively conducting the heat of the control function components (electronic circuit board) to the outer shell. At the same time, the circuit board bracket 6 has reserved space on the side for easy installation.

[0026] This invention employs highly integrated SOC technology to reduce the space occupied by the board, meet miniaturization requirements, and improve heat dissipation efficiency.

[0027] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A 5-pod underwater electronic unit, characterized in that, The control function assembly comprises a power board assembly (1), a serial port and optical fiber Ethernet server gateway (2), a system on chip main data processing CPU assembly (3), an underwater electromagnetic valve driving assembly (4), and an input / output interface board (5); and the structural assembly comprises a lower end cover (7) on which the input / output interface board (5) is installed. A plurality of board card supports (6) are arranged on the upper part of the lower end cover (7) and are connected with the power board assembly (1), the serial port and optical fiber Ethernet server gateway (2), the system on chip main data processing CPU assembly (3), and the underwater electromagnetic valve driving assembly (4) respectively.

2. A 5-pod underwater electronic module according to claim 1, characterized in that, The structural assembly further comprises an upper end cover (8) arranged on the top of the board card support (6), and an outer shell (9) sleeved outside the board card support (6) and the upper end cover (8) and connected with the lower end cover (7).

3. The 5-pod underwater electronics module of claim 1, wherein, The input / output interface board (5) has 4-20mA, Modbus RTU RS485, Modbus TCP, and Ethernet TCP / IP interfaces, provides bus functions, and is connected with the power board assembly (1), the serial port and optical fiber Ethernet server gateway (2), the system on chip main data processing CPU assembly (3), and the underwater electromagnetic valve driving assembly (4) for data interaction.

4. The 5-pod underwater electronics module of claim 1, wherein, The board card support (6) is made of copper alloy material.

5. The 5-pod underwater electronics module of claim 2, wherein, The upper part of the board card support (6) has a recess, and the upper cover plate (8) is covered in the recess and fixed by bolts.

6. The 5-pod underwater electronics module of claim 1, wherein, The power board assembly (1), the serial port and optical fiber Ethernet server gateway (2), the system on chip main data processing CPU assembly (3), and the underwater electromagnetic valve driving assembly (4) are fastened and connected with the board card support (6) by long bolts.

7. The 5-pod underwater electronics module of claim 1, wherein, The lower end cover (7) has a rotating shaft on the upper part, and each board card support (6) is rotatably connected with the lower end cover (7) by the corresponding rotating shaft.

8. The 5-pod underwater electronics module of claim 1, wherein, The adjacent two board card supports (6) have a reserved space therebetween, facilitating the installation of the board card supports (6).

9. A 5-pod underwater electronics module according to claim 2, wherein, Two sealing rings are arranged on the outer wall of the lower end cover (7), and the lower end cover (7) and the outer shell (9) are sealingly connected by the two sealing rings on the side wall of the lower end cover (7).

10. The 5-pod underwater electronics module of claim 2, wherein, The lower end cover (7) is fastened and connected with the outer shell (9) by bolts on the outer side of the end face.

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