CN212718193U - Pressure adjusting device of shallow water underwater control module - Google Patents
Pressure adjusting device of shallow water underwater control module Download PDFInfo
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- CN212718193U CN212718193U CN202021734508.1U CN202021734508U CN212718193U CN 212718193 U CN212718193 U CN 212718193U CN 202021734508 U CN202021734508 U CN 202021734508U CN 212718193 U CN212718193 U CN 212718193U
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Abstract
The utility model belongs to the technical field of shallow sea oil gas production, a shallow water is control module's pressure regulating device under water is related to, include: the underwater control module comprises a case of the underwater control module, a pressure compensation assembly and a pressure-bearing cavity; the bottom of the case is provided with a plurality of hydraulic flow passages, and each hydraulic flow passage is provided with at least one electromagnetic valve for controlling the opening and closing of the hydraulic flow passage; the pressure compensation assembly is positioned in the case and used for adjusting the pressure in the case to be consistent with the water pressure at the corresponding depth; the pressure-bearing cavity is fixed at the bottom of the case and used for placing the electromagnetic valve and enabling the pressure in the pressure-bearing cavity to be close to the standard atmospheric pressure; the electromagnetic valve is a common electromagnetic valve with no pressure resistance. Because the air pressure in the pressure-bearing cavity is close to the standard atmospheric pressure, the solenoid valve can be a non-pressure-resistant solenoid valve, the cost of the shallow water underwater control module is reduced, and the competitiveness of the product is improved.
Description
Technical Field
The utility model relates to a shallow water is control module's pressure regulating apparatus under water belongs to shallow sea oil gas production technical field.
Background
A shallow water underwater Control Module (SCM) is a core Control component of an offshore oil and gas field for controlling oil drilling and production equipment such as an underwater production tree, a manifold and the like, 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.
The shallow underwater control module is provided with a pressure compensator, and because of the existence of the pressure compensator, the internal pressure of the shallow underwater control module is always kept consistent with the external water depth pressure, so that components and parts capable of bearing the external water depth pressure need to be selected, the manufacturing cost of the shallow underwater control module is high, and the competitiveness of products is weakened.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a pressure regulating device for a shallow water underwater control module, which does not need to use a special pressure-bearing solenoid valve, and only needs to select a common solenoid valve, thereby reducing the cost of the shallow water underwater control module.
Realize above-mentioned purpose, the utility model discloses take following technical scheme a control module's under shallow water pressure regulating device, include: the underwater control module comprises a case of the underwater control module, a pressure compensation assembly and a pressure-bearing cavity; the bottom of the case is provided with a plurality of hydraulic flow passages, and each hydraulic flow passage is provided with at least one electromagnetic valve for controlling the opening and closing of the hydraulic flow passage; the pressure compensation assembly is positioned in the case and used for adjusting the pressure in the case to be consistent with the water pressure at the corresponding depth; the pressure-bearing cavity is fixed at the bottom of the case and used for placing the electromagnetic valve and enabling the pressure in the pressure-bearing cavity to be close to the standard atmospheric pressure; the electromagnetic valve is a common electromagnetic valve with no pressure resistance.
Further, the pressure compensation assembly comprises a capsule chamber, a hollow capsule and a hydraulic tube; the capsule chamber is fixed in the case and communicated with the environment outside the case, a hollow capsule is arranged in the capsule chamber, one end of the hydraulic pipe is connected with the hollow capsule, and the other end of the hydraulic pipe enters the case through the capsule chamber.
Furthermore, at least one through hole communicated with the outside is arranged at the position corresponding to the capsule cavity on the case, and the capsule cavity is communicated with the environment outside the case through the through hole.
Further, the volume of the capsule chamber is larger than the volume of the hollow capsule.
Further, the pressure compensation assembly further comprises a first sealing member for sealing a gap between one end of the hydraulic tube connected with the capsule chamber, the capsule chamber and the hollow capsule.
Further, a pressure-bearing chamber is provided on an inner surface of a side wall of the cabinet.
Furthermore, a valve block is arranged in the pressure bearing cavity, the valve block is fixedly connected with the bottom of the case, and the electromagnetic valve is arranged on the valve block.
Furthermore, the contact part of the pressure bearing cavity and the bottom plate is sealed through a second sealing element, and inert gas is filled in the pressure bearing cavity to reduce corrosion or oxidation of the electromagnetic valve.
Furthermore, the top of the pressure-bearing cavity is provided with a cabin penetrating piece with a through hole, and an electric connector of the hydraulic flow passage penetrates through the through hole of the cabin penetrating piece to be connected with the electromagnetic valve.
Furthermore, the case is filled with a non-conductive liquid medium.
The utility model discloses owing to take above technical scheme, it has following advantage: the electromagnetic valve is arranged in the pressure-bearing cavity, and the air pressure in the pressure-bearing cavity is close to the standard atmospheric pressure, so that the electromagnetic valve can be a non-pressure-resistant electromagnetic valve, the cost of the underwater control module in shallow water is reduced, and the competitiveness of a product is improved.
Drawings
Fig. 1 is a schematic structural diagram of a pressure regulating device of a shallow water control module according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a shallow water control module according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of the pressure-bearing chamber in an embodiment of the present invention.
Reference numerals:
1-a chassis; 2-a pressure compensation assembly; 21-a capsule chamber; 22-hollow capsules; 23-a hydraulic tube; 24-a first seal; 3-a pressure bearing cavity; 31-a solenoid valve; 32-a valve block; 33-a second seal; 34-passing through the cabin.
Detailed Description
The present invention is described in detail by way of specific embodiments in order to enable those skilled in the art to better understand the technical direction of the present invention. It should be understood, however, that the detailed description is provided for a better understanding of the invention only and that they should not be taken as limiting the invention. In describing the present invention, it is to be understood that the terminology used is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance.
The embodiment discloses a pressure regulating device of a control module under shallow water, as shown in fig. 1-3, comprising: the underwater control system comprises a case 1 of an underwater control module, a pressure compensation component 2 and a pressure-bearing cavity 3; the bottom of the case 1 is provided with a plurality of hydraulic flow channels, and each hydraulic flow channel is provided with at least one electromagnetic valve 31 for controlling the opening and closing of the hydraulic flow channel. The case 1 is filled with a non-conductive liquid medium. The non-conductive liquid medium is a non-conductive liquid, such as ethanol, glycerol, high purity water, methanol, and the like.
The pressure compensation assembly 2 is positioned in the case 1 and used for adjusting the pressure in the case 1 to be consistent with the water pressure at the corresponding depth. The pressure compensating module 2 is preferably arranged inside one of the side walls of the cabinet 1. The pressure compensation assembly 2 comprises a capsule chamber 21, a hollow capsule 22 and a hydraulic tube 23; the capsule chamber 21 is fixed on the inner side of one side wall of the case 1, and at least one through hole is arranged on the side wall contacting with the capsule chamber 21, so that the capsule chamber 21 is communicated with the environment outside the case 1. A hollow capsule 22 is arranged in the capsule chamber 21, the outlet end of the hollow capsule 22 is connected with one end of a hydraulic pipe 23, and the other end of the hydraulic pipe 23 enters the case 1 through the capsule chamber 21. The hollow capsule 22 is also filled with a non-conductive liquid medium. The volume of the capsule chamber 21 is greater than the volume of the hollow capsule 22 to enable the hollow capsule 22 to expand or contract in the capsule chamber 21. The pressure compensation assembly 2 further comprises a first sealing member 24 for sealing a gap between the end of the hydraulic tube 23 connected to the capsule chamber 21, the capsule chamber 21 and the hollow capsule 22.
The pressure-bearing cavity 3 is fixed at the bottom of the case 1, a valve block 32 is arranged in the pressure-bearing cavity, the valve block 32 is fixedly connected with the bottom of the case 1, and the electromagnetic valve 31 is arranged on the valve block 32. The number of the valve blocks 32 and the number of the solenoid valves 31 are at least one, but preferably a plurality of them, which is herein understood to mean two or more. It should be noted that the number of the valve blocks 32 is not necessarily the same as the number of the solenoid valves 31, and a plurality of solenoid valves 31 may be provided in one valve block 32. The pressure-bearing chamber 3 isolates the inside and outside environment thereof, so that the pressure therein is close to the standard atmospheric pressure. Here, close to the standard atmospheric pressure means that the air pressure of the pressure-bearing chamber 3 may be the standard atmospheric pressure, or slightly less than the standard atmospheric pressure, or slightly more than the standard atmospheric pressure, i.e., within an error range of the standard atmospheric pressure. Because the air pressure in the pressure-bearing cavity 3 is close to the atmospheric pressure, the electromagnetic valve 31 in the pressure-bearing cavity can adopt a common non-pressure-resistant electromagnetic valve 31 without adopting a special pressure-resistant electromagnetic valve 31, thereby reducing the cost of the underwater control module. The parts of the pressure-bearing cavity 3, which are in contact with the base plate, are sealed by the second sealing elements 33, and the pressure-bearing cavity 3 is filled with inert gas so as to reduce the probability and speed of corrosion or oxidation of the solenoid valve 31. In this embodiment, the inert gas is preferably nitrogen. To facilitate the filling of the nitrogen gas, the pressure-bearing chamber 3 in this embodiment may include a nitrogen gas port and an inflation valve for filling the pressure-bearing chamber 3 with nitrogen gas. The top of the pressure bearing cavity 3 is provided with a cabin penetrating member 34 with a through hole, and an electric connector of the hydraulic flow passage penetrates through the through hole of the cabin penetrating member 34 to be connected with the electromagnetic valve 31.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention. The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A pressure regulating device for a shallow water subsea control module, comprising: the underwater control module comprises a case of the underwater control module, a pressure compensation assembly and a pressure-bearing cavity;
the bottom of the case is provided with a plurality of hydraulic flow channels, and each hydraulic flow channel is provided with at least one electromagnetic valve for controlling the opening and closing of the hydraulic flow channel;
the pressure compensation assembly is positioned in the case and used for adjusting the pressure in the case to be consistent with the water pressure at the corresponding depth;
the pressure-bearing cavity is fixed at the bottom of the case and used for placing the electromagnetic valve and enabling the pressure in the pressure-bearing cavity to be close to standard atmospheric pressure.
2. The pressure regulating device of the subsea control module of claim 1, wherein the pressure compensating assembly comprises a capsule chamber, a hollow capsule, and a hydraulic tube; the capsule chamber is fixed in the case and communicated with the environment outside the case, a hollow capsule is arranged in the capsule chamber, one end of the hydraulic pipe is connected with the hollow capsule, and the other end of the hydraulic pipe enters the case through the capsule chamber.
3. The pressure regulating device of the shallow water underwater control module as claimed in claim 2, wherein the case is provided with at least one through hole communicated with the outside at a position corresponding to the capsule chamber, and the capsule chamber is communicated with the environment outside the case through the through hole.
4. The pressure regulating device of the subsea control module of claim 3, wherein the volume of the capsule chamber is greater than the volume of the hollow capsule.
5. The pressure regulating device of the subsea control module of claim 3, wherein the pressure compensating assembly further comprises a first sealing member for sealing a gap between the hollow capsule, the capsule chamber and an end of the hydraulic tube connected to the capsule chamber.
6. The pressure regulating device of the subsea control module of claim 1, wherein said pressure-bearing chamber is provided on an inner surface of a side wall of said cabinet.
7. The pressure regulating device of the subsea control module of claim 6, wherein a valve block is disposed in the pressure-bearing chamber, the valve block is fixedly connected to the bottom plate of the housing, and the solenoid valve is disposed on the valve block.
8. The pressure regulating device of the subsea control module of claim 7, wherein the pressure-bearing chamber and the bottom plate are sealed by a second sealing member, and the pressure-bearing chamber is filled with an inert gas to reduce corrosion or oxidation of the solenoid valve.
9. The pressure regulating device of the subsea control module of claim 8, wherein the top of the pressure-bearing chamber is provided with a through-hole penetrating member, and the electrical connector of the hydraulic channel is connected to the solenoid valve through the through-hole of the penetrating member.
10. The pressure regulating device of the subsea control module of any of claims 1-9, wherein the cabinet is filled with a non-conductive liquid medium.
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CN202021734508.1U CN212718193U (en) | 2020-08-19 | 2020-08-19 | Pressure adjusting device of shallow water underwater control module |
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CN202021734508.1U CN212718193U (en) | 2020-08-19 | 2020-08-19 | Pressure adjusting device of shallow water underwater control module |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023197958A1 (en) * | 2022-04-13 | 2023-10-19 | 深圳市行健自动化股份有限公司 | Pressure-resistant cabin for deep-sea mobile operation apparatus, underwater mining vehicle, and underwater mobile robot |
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2020
- 2020-08-19 CN CN202021734508.1U patent/CN212718193U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023197958A1 (en) * | 2022-04-13 | 2023-10-19 | 深圳市行健自动化股份有限公司 | Pressure-resistant cabin for deep-sea mobile operation apparatus, underwater mining vehicle, and underwater mobile robot |
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