CN111980671A

CN111980671A - Underwater electronic module

Info

Publication number: CN111980671A
Application number: CN202010773583.7A
Authority: CN
Inventors: 郝富强; 唐一琛; 张纪亚
Original assignee: Shenzhen Kunpeng Intelligent Equipment Manufacture Co ltd; Shenzhen Wellreach Automation Co ltd
Current assignee: Shenzhen Kunpeng Intelligent Equipment Manufacture Co ltd; Shenzhen Wellreach Automation Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2020-11-24

Abstract

The application discloses an underwater electronic module, which comprises an electronic cabin body, a first sealing ring and a second sealing ring, wherein the electronic cabin body is used for placing and sealing electronic equipment; the electric joint switching device is arranged at the bottom of the electronic cabin; the electric connector switching device is provided with a dry electric connector and a wet electric connector which are electrically connected, the dry electric connector is used for being connected with electronic equipment in the electronic cabin, and the wet electric connector is used for underwater plugging and unplugging electric connectors. This application is through the wet-type electricity joint among the electricity joint conversion equipment, can make the external electronic module under water load and unload alone under water, and the maintenance and the replacement of the electronic module under water of being convenient for have improved fault treatment efficiency.

Description

Underwater electronic module

Technical Field

The application relates to the technical field of ocean oil and gas equipment, especially relates to an electronic module under water.

Background

An SCM (Subsea Control Module) is a core Control component used in an offshore oil and gas field to Control oil drilling and production equipment such as Subsea trees, manifolds, and has the following basic functions: 1) monitoring parameters of various sensors on the underwater drilling and production equipment, and transmitting parameter information to a sea surface platform master control station; 2) and controlling the opening and closing states of a hydraulic driver and a valve on the underwater drilling and production equipment based on a control signal sent by the sea surface platform master control station.

An SEM (sub sea Electronics Module) is an electronic control Module for an underwater production system, an embedded controller and a functional circuit are integrated in the Module, and the Module has the main functions of receiving the control of a water surface master control station and completing the reversing of an electromagnetic valve so as to guide hydraulic fluid to drive a valve actuator; in addition, the sensor data on the underwater oil production equipment is collected and transmitted to the water surface main control station after being processed, so that the detection effect of underwater oil and gas production is realized, and the smooth operation of underwater production is ensured.

The existing SEMs are generally installed inside underwater equipment and connected by dry joints, so they need to be installed on land in advance and then put under water. If the SEM is overhauled or replaced, the SEM and the underwater equipment need to be taken out, a large amount of manpower and material resources are consumed, and the normal operation of the underwater production system is delayed.

Disclosure of Invention

In view of this, an object of the present application is to provide an underwater electronic module, so as to solve the problem that the conventional SEM is not easy to repair or replace due to the dry type joint connection.

The technical scheme adopted by the application for solving the technical problems is as follows:

according to an aspect of the present application, there is provided an underwater electronic module comprising:

the electronic cabin is used for placing and sealing electronic equipment;

the electric joint switching device is arranged at the bottom of the electronic cabin;

the electric connector switching device is provided with a dry electric connector and a wet electric connector which are electrically connected, the dry electric connector is used for being connected with electronic equipment in the electronic cabin, and the wet electric connector is used for underwater plugging and unplugging electric connectors.

In one embodiment, the interior of the electrical joint transition device is filled with a liquid insulating medium to exclude air from the electrical joint transition device.

In one embodiment, the electronic cabin comprises a cylinder body, an upper end cover and a lower end cover fixed at two ends of the cylinder body, wherein the upper end cover and the lower end cover are both sealed with the cylinder body through sealing rings.

In one embodiment, the electrical terminal transition means is mounted on the lower end cap.

In one embodiment, the upper end cover and the lower end cover are fixedly connected with the cylinder body through bolts.

In one embodiment, the electronic device comprises a power supply module, a control module, a solenoid valve driving module, a data acquisition module and a communication module;

the power supply module is used for supplying power to the control module, the electromagnetic valve driving module, the data acquisition module and the communication module;

the control module is connected with the electromagnetic valve driving module, the data acquisition module and the communication module.

In one embodiment, the control module is used for command control, operation control and data processing of the underwater electronic module;

the electromagnetic valve driving module is used for providing an electro-hydraulic reversing valve driving signal;

the data acquisition module is used for acquiring parameter information of the underwater equipment through the underwater sensor;

the communication module is used for communicating with the water equipment.

The underwater electronic module provided by the embodiment of the application can enable the underwater electronic module to be externally arranged to be independently assembled and disassembled underwater through the wet-type electric connector in the electric connector conversion device, is convenient for overhauling and replacement of the underwater electronic module, and improves the fault treatment efficiency.

Drawings

FIG. 1 is a schematic view of an underwater electronics module provided in an embodiment of the present application;

fig. 2 is a schematic diagram of an electrical connector switching device according to an embodiment of the present application.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer and clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

As shown in fig. 1-2, embodiments of the present application provide an underwater electronic module, which includes:

the electronic cabin body 1 is used for placing and sealing electronic equipment;

in this example, the electronic cabin 1 includes a cylinder, an upper end cover and a lower end cover fixed at two ends of the cylinder, the upper end cover and the lower end cover are both fixedly connected to the cylinder through bolts, and the upper end cover and the lower end cover are both sealed with the cylinder through a sealing ring 4.

the control module is used for instruction control, operation control and data processing of the underwater electronic module;

the data acquisition module is used for acquiring parameter information of the underwater equipment through the underwater sensor; the parameter information includes, but is not limited to, downhole pressure, temperature, production pressure of production or gas trees, temperature, flow rate, throttle valve position, sand erosion of pipelines, pressure, temperature and flow rate in the subsea control module, temperature in the subsea electronic module, etc.

The communication module is used for communicating with the water equipment.

The control module is connected with the electromagnetic valve driving module, the data acquisition module and the communication module in a Profibus-DP bus mode.

In this embodiment, the power supply module is a power supply module with an EMC filter.

In this embodiment, a plurality of fixing brackets may be further disposed in the electronic cabin 1, and the fixing brackets are respectively used for fixing the power module, the control module, the solenoid valve driving module, the data acquisition module, and the communication module.

The electric joint switching device 2 is arranged at the bottom of the electronic cabin;

in this example, the electrical terminal transition device 2 is mounted on the lower end cap.

The interior of the electrical terminal changeover device 2 is filled with a liquid insulating medium, such as: transformer oil to exclude air from the electrical junction transition device 2.

The electric connector switching device 2 has electrically connected dry electric connectors 5 and wet electric connectors 3, the dry electric connectors 5 are used for connecting with the electronic equipment in the electronic cabin 1, and the wet electric connectors 3 are used for underwater plugging and unplugging electric connectors.

In this example, the installation process of the subsea electronics module is as follows:

firstly, a power supply module, a control module, an electromagnetic valve driving module, a data acquisition module and a communication module are arranged on corresponding positions of a fixed bracket in an electronic cabin 1; the upper end cover and the lower end cover are fixedly connected to the barrel of the electronic cabin body 1 through bolts, and then the electric connector switching device 2 is installed on the lower end cover, so that an organic whole is formed, and the installation and maintenance are easy.

The preferred embodiments of the present application have been described above with reference to the accompanying drawings, and are not intended to limit the scope of the claims of the application accordingly. Any modifications, equivalents and improvements which may occur to those skilled in the art without departing from the scope and spirit of the present application are intended to be within the scope of the claims of the present application.

Claims

1. An underwater electronics module, comprising:

the electronic cabin is used for placing and sealing electronic equipment;

2. Subsea electronics module according to claim 1, characterized in that the interior of the electrical joint transition device is filled with a liquid insulating medium to exclude air from the electrical joint transition device.

3. The subsea electronics module of claim 1, wherein the electronics pod comprises a barrel, and an upper end cap and a lower end cap secured to two ends of the barrel, each of the upper end cap and the lower end cap being sealed to the barrel by a seal ring.

4. An underwater electronics module as claimed in claim 3 wherein the electrical connector transition means is mounted on the lower end cap.

5. The subsea electronics module of claim 3, wherein the upper end cap and the lower end cap are each fixedly connected to the cartridge by bolts.

6. The subsea electronics module of any of claims 1-5, wherein the electronics device comprises a power module, a control module, a solenoid driver module, a data acquisition module, and a communication module;

7. Subsea electronics module according to claim 6,

the communication module is used for communicating with the water equipment.