Integrated sealed high-pressure oxygen storage and supply system

Abstract

The invention provides an integrated sealed high-pressure oxygen storage and supply system which is characterized in that a cable penetrating pipe comprises a pipe part and a cap part, the pipe part penetrates through a composite gas cylinder and is tightly connected with the inner peripheries of a head-end cylinder nozzle and a tail-end cylinder nozzle of the composite gas cylinder in an abutting mode through a sealing piece, a step table is constructed on the inner side of the tail-end cylinder nozzle of the composite gas cylinder, and the cap part is tightly abutted against the step table under the action of a locking piece; on the inner side of a head end bottle mouth of the composite gas cylinder, a plurality of flow guide pipes are uniformly arranged around a cable penetrating pipe in the axial direction of the composite gas cylinder and are connected with an annular flow channel on the head end bottle mouth, and the annular flow channel is further connected with an air inlet and outlet pipe; through high integration design, the system can be used as a functional component to provide a high-pressure gas source storage and supply function for a whole underwater device power system, and can also be used as a cabin section structure, so that the structural space is greatly saved.

Description

Technical Field

[0001] The invention relates to the technical field of high-pressure oxygen storage and supply, and in particular to an integrated sealed high-pressure oxygen storage and supply system. Background Art

[0002] The high-pressure oxygen system is used in the power system of underwater devices as a pure oxygen supply source. It uses a composite gas cylinder as an oxygen storage container. At the same time, the composite gas cylinder is used as a structural compartment of the underwater device. Both ends are connected to the front and rear compartments through a sealed connection structure and sealed. A high-pressure resistant metal conduit that runs through the composite gas cylinder is set at the axial middle position of the composite gas cylinder and used as a bottle-penetrating channel for cables. A guide tube connected to the external air inlet and exhaust pipes is set in the inner cavity of the composite gas cylinder for inflation and exhaust.

[0003] However, in the prior art, the pipe opening of the guide pipe is designed to face the axial inner bottom of the composite gas cylinder. This design means that when the composite gas cylinder is filled with high-pressure oxygen, the high-pressure oxygen will only rush directly to the bottom of the composite gas cylinder for a long time, thereby reducing the service life of the composite gas cylinder. In addition, due to the fast flow rate, the temperature rise in the composite gas cylinder is also accelerated, which poses a safety hazard to the entire high-pressure oxygen system. In addition, the integration is low, and the overall structure occupies a large space. Summary of the invention

[0004] In view of this, the problem to be solved by the present invention is to provide an integrated sealed high-pressure oxygen storage and supply system. In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] An integrated sealed high-pressure oxygen storage and supply system, wherein the cable pipe includes a pipe portion and a cap portion, wherein the pipe portion penetrates through a composite gas cylinder and is tightly connected to the inner periphery of the first end bottle mouth and the tail end bottle mouth of the composite gas cylinder through a sealing member, wherein a stepped platform is constructed inside the tail end bottle mouth of the composite gas cylinder, and the cap portion is tightly pressed against the stepped platform by a locking member;

[0006] On the inner side of the first end of the composite gas cylinder, a plurality of flow guide pipes are evenly arranged around the cable pipe along the axial direction of the composite gas cylinder and connected to the annular flow channel on the first end of the bottle mouth, and the annular flow channel is also connected to the air inlet and outlet pipes.

[0007] A plurality of air passages communicating with the inner cavity of the flow guide tube are arranged on the outer circumference of the flow guide tube.

[0008] An annular groove is constructed on the outer side of the first end of the composite gas cylinder and is sunken along the axial direction of the composite gas cylinder. An axial sealing ring plate is welded at the top opening of the annular groove and then encloses the annular flow channel with the annular groove.

[0009] A first air hole is constructed on the side wall of the annular groove, and a second air hole is constructed on the bottom of the annular groove; the annular groove is connected to the intake and exhaust pipes through the first air hole, and is fixedly connected to the guide pipe through the second air hole.

[0010] The sealing member is a sealing ring, and the inner circumferences of the first end bottle mouth and the rear end bottle mouth are both configured with embedding grooves corresponding to the sealing ring.

[0011] The locking piece is a threaded pressure ring, and the inner circumference of the tail end bottle mouth is configured with a reverse thread matched with the threaded pressure ring.

[0012] A sealing gasket is also installed between the cap and the stepped platform.

[0013] The advantages and positive effects of the present invention are:

[0014] (1) The uniform arrangement of a plurality of flow guide pipes in the composite gas cylinder makes the composite gas cylinder uniformly pressurized during inflation, and the radial gas inlet arrangement makes it possible for the high-pressure oxygen to diffuse uniformly from the radial direction of the composite gas cylinder to the interior of the composite gas cylinder during inflation, thereby controlling the direction and velocity of the airflow during the inflation and deflation process, thereby controlling the temperature rise of the composite gas cylinder and improving the overall safety.

[0015] (2) It has a high degree of integration. It can be used as a functional component to store and supply high-pressure gas for the entire underwater device power system, and it can also be used as a compartment structure, which greatly saves structural space.

[0016] (3) The tube portion penetrates the composite gas cylinder and is tightly connected to the inner circumference of the first end and the rear end of the composite gas cylinder through the sealing member. The two ends of the cap portion are tightly connected to the step platform and the locking member respectively. Then, the step platform and the locking member clamp the cap portion to play an axial limiting role for the cable passing through the tube. On the premise of ensuring the sealing, the cable passing through the tube can be prevented from being separated from the composite gas cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0018] In the attached picture:

[0019] Figure 1 It is a cross-sectional view of an integrated sealed high-pressure oxygen storage and supply system of the present invention;

[0020] Figure 2 yes Figure 1 A magnified view of the bottle mouth at the first end;

[0021] Figure 3 yes Figure 1 A magnified view of the bottle mouth at the end;

[0022] Figure 4 This is an enlarged view of the axial sealing ring plate and the cable tube hidden at the bottle mouth at the first end;

[0023] Figure 5 It is an overall structural diagram of an integrated sealed high-pressure oxygen storage and supply system of the present invention;

[0024] In the figure: cable tube 1, tube part 11, cap part 12, composite gas cylinder 2, embedded groove 21, stepped platform 22, annular groove 23, second air hole 24, axial sealing ring plate 25, guide tube 26, air port 261, sealing gasket 31, threaded pressure ring 32, sealing ring 33, air inlet and outlet pipes 41. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0028] like Figures 1 to 5As shown, the present invention provides an integrated sealed high-pressure oxygen storage and supply system, the transverse cross-section of the cable tube 1 is a T-shaped structure, including a tube 11 and a cap 12 constructed on the end side of the tube 11, the tube 11 passes through the composite gas cylinder 2 and is tightly connected with the inner circumference of the first end bottle mouth and the tail end bottle mouth of the composite gas cylinder 2 through a sealing member, thereby achieving sealing between the tube 11 and the first end bottle mouth and the tail end bottle mouth, a step platform 22 is constructed in the tail end bottle mouth of the composite gas cylinder 2, the two ends of the cap 12 are tightly connected with the step platform 22 and the locking member respectively, the locking member is detachably connected with the inner circumference of the tail end bottle mouth of the composite gas cylinder 2, and then the cable tube 1 is axially limited by clamping the step platform 22 and the locking member against the cap 12, and the cable tube 1 can be prevented from being separated from the composite gas cylinder 2 on the premise of ensuring sealing;

[0029] On the inner side of the first end of the composite gas cylinder 2, a plurality of flow guide tubes 26 are evenly arranged around the cable threading tube 1 along the axial direction of the composite gas cylinder 2 and connected to the annular flow channel on the first end of the bottle mouth, and the annular flow channel is also connected to the inlet and outlet pipes 41 located outside the composite gas cylinder 2. The flow guide tube 26 is a cylindrical structure, and a plurality of gas ports 261 connected to the inner cavity of the flow guide tube 26 are opened on the outer periphery of the flow guide tube 26, thereby realizing high-pressure oxygen entering and exiting the composite gas cylinder 2 through the inlet and outlet pipes 41, the annular flow channel, and the plurality of flow guide tubes 26;

[0030] The cable conduit 1 is arranged at the axial center of the composite gas cylinder 2, and a plurality of flow guide tubes 26 are evenly arranged around the cable conduit 1, so that the plurality of flow guide tubes 26 can be evenly arranged in the composite gas cylinder 2, so that the inside of the composite gas cylinder 2 is evenly pressurized during inflation. Compared with the existing design of a single flow guide tube, the design of multiple groups of flow guide tubes 26 can evenly deliver gas to the composite gas cylinder 2 and reduce the flow rate of high-pressure oxygen, thereby avoiding excessive temperature rise inside the composite gas cylinder 2. The setting of the gas port 261 can make the high-pressure oxygen diffuse evenly from the radial direction of the composite gas cylinder 2 to the inside of the composite gas cylinder 2 during inflation, thereby controlling the direction and flow rate of the airflow during the inflation and deflation process, so as to control the temperature rise change of the composite gas cylinder 2 and improve the overall safety.

[0031] Through a highly integrated design, this system realizes the reasonable area division and scientific spatial layout of the cable conduit 1 and a number of guide tubes 26 while taking into account the overall sealing. It can be used as a functional component to store and supply high-pressure gas sources for the entire underwater device power system, and can also be used as a compartment structure, greatly saving structural space.

[0032] Specifically, the sealing member is a sealing ring 33. During the process of injecting high-pressure oxygen into the composite gas cylinder 2, the composite gas cylinder 2 may be slightly deformed, and the design of the sealing ring 33 can adapt to the deformation of the composite gas cylinder 2 during the pressurization process, thereby ensuring sealing. The inner circumferences of the head end bottle mouth and the tail end bottle mouth are both constructed with embedding grooves 21 corresponding to the sealing ring 33. In this embodiment, two groups of embedding grooves 21 are formed on the head end bottle mouth, which are arranged in sequence along the axial direction of the cable through-tube 1, thereby playing a double sealing role. A group of embedding grooves 21 are arranged on the tail end bottle mouth on the inner cavity side of the step platform 22 close to the composite gas cylinder 2, and after the step platform 22 is tightly abutted against the cap 12, it also plays a double sealing role.

[0033] Specifically, the locking member is a threaded pressure ring 32, and a reverse thread that is compatible with the threaded pressure ring 32 is constructed on the inner circumference of the tail end bottle mouth, thereby achieving fastening and separation through threaded connection. A sealing gasket 31 is also installed between the cap portion 12 and the step platform 22, thereby ensuring the sealing of the connection between the cap portion 12 and the step platform 22.

[0034] Specifically, a filter cover 27 is mounted on the closed end of the guide tube 26, and the filter cover 27 covers the gas outlet 261. The filter cover 27 is used to filter impurity particles contained in the high-pressure oxygen to prevent them from entering the composite gas cylinder 2 with the high-pressure oxygen and causing damage to the composite gas cylinder 2.

[0035] Specifically, a plurality of slots adapted to the flow guide tube 26 are constructed on the inner side of the first end of the bottle mouth of the composite gas cylinder 2, and the flow guide tube 26 is fixed in the slots.

[0036] Specifically, an annular groove 23 is constructed on the outer side of the first end of the composite gas cylinder 2 and is sunken along the axial direction of the composite gas cylinder 2. An axial sealing ring plate 25 is welded at the top opening of the annular groove 23 and then encloses the annular flow channel with the annular groove 23. The annular flow channel is connected to the guide pipe 26, and then the high-pressure oxygen is uniformly transported to the guide pipe 26 connected thereto through the annular flow channel. A first air hole is constructed on the side wall of the annular groove 23, and a second air hole 24 is constructed on the bottom of the annular groove 23. The annular groove 23 is connected to the inlet and exhaust pipe 41 through the first air hole, and is fixedly connected to the guide pipe 26 through the second air hole 24. The inlet and exhaust pipe 41 is connected to an inlet valve and an exhaust valve.

[0037] When inflating, the air inlet valve is opened, and the high-pressure oxygen enters the annular flow channel through the air inlet and outlet pipes 41 via the first air hole, and then enters the guide pipe 26 via the second air hole 24, and is discharged into the inner cavity of the composite gas cylinder 2 via the guide pipe 26;

[0038] When supplying gas, the exhaust valve is opened, and high-pressure oxygen enters the cylindrical guide tube 26 through the air port 261. The high-pressure oxygen in each guide tube 26 is gathered in the annular flow channel through the second air hole 24 and discharged through the first air hole through the inlet and outlet pipe 41.

[0039] The working principle and working process of the present invention are as follows:

[0040] When installing the cable tube 1, firstly, the tube portion 11 of the cable tube 1 is passed through the composite gas cylinder 2 until the cap portion 12 abuts against the step platform 22, and the sealing ring 33 on the tube portion 11 is engaged with the embedded grooves 21 in the first end bottle mouth and the tail end bottle mouth, and then the threaded pressing ring 32 is connected with the inner circumference of the tail end bottle mouth through the threaded pressing ring 32, thereby realizing the tight connection between the threaded pressing ring 32, the cap portion 12, and the step platform 22, and fixing the cable tube 1 in the composite gas cylinder 2;

[0041] When high-pressure oxygen needs to be charged, the air inlet valve connected to the air inlet and outlet pipe 41 is opened, and the high-pressure oxygen enters the annular flow channel through the air inlet and outlet pipe 41 via the first air hole, and then enters the guide pipe 26 through the second air hole 24, and is discharged into the inner cavity of the composite gas cylinder 2 through the guide pipe 26;

[0042] When high-pressure oxygen needs to be charged, the outlet valve connected to the inlet and exhaust pipes 41 is opened. Under the action of high pressure, the high-pressure oxygen is discharged through the guide pipe 26, the annular flow channel, and the inlet and exhaust pipes 41 in sequence.

[0043] The embodiments of the present invention are described in detail above, but the contents described are only preferred embodiments of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of this patent.

Claims

1. An integrated sealed high-pressure oxygen storage and supply system, characterized in that: The cable tube (1) comprises a tube portion (11) and a cap portion (12); the tube portion (11) passes through a composite gas cylinder (2) and is tightly connected to the inner circumference of the first end bottle mouth and the rear end bottle mouth of the composite gas cylinder (2) through a sealing member; a stepped platform (22) is constructed on the inner side of the rear end bottle mouth of the composite gas cylinder (2); and the cap portion (12) is tightly pressed against the stepped platform (22) by the action of a locking member; On the inner side of the first end of the composite gas bottle (2), a plurality of flow guide tubes (26) are evenly arranged around the cable threading tube (1) along the axial direction of the composite gas bottle (2) and connected to the annular flow channel on the first end of the bottle, and the annular flow channel is also connected to the air inlet and outlet pipes (41).

2. An integrated sealed high-pressure oxygen storage and supply system according to claim 1, characterized in that: A plurality of air passages (261) communicating with the inner cavity of the flow guide tube (26) are provided on the outer periphery of the flow guide tube (26).

3. An integrated sealed high-pressure oxygen storage and supply system according to claim 1, characterized in that: An annular groove (23) is constructed on the outer side of the first end of the composite gas cylinder (2) and is sunken along the axial direction of the composite gas cylinder (2). An axial sealing ring plate (25) is welded to the top opening of the annular groove (23) and thus encloses the annular flow channel with the annular groove (23).

4. The integrated sealed high-pressure oxygen storage and supply system according to claim 1, characterized in that: A first air hole is constructed on the side wall of the annular groove (23), and a second air hole is constructed on the bottom of the annular groove (23); the annular groove (23) is connected to the intake and exhaust pipes (41) through the first air hole, and is fixedly connected to the guide pipe (26) through the second air hole (24).

5. The integrated sealed high-pressure oxygen storage and supply system according to claim 1, characterized in that: The sealing member is a sealing ring (33), and an embedding groove (21) corresponding to the sealing ring (33) is constructed on the inner circumference of the first end bottle mouth and the rear end bottle mouth.

6. An integrated sealed high-pressure oxygen storage and supply system according to claim 5, characterized in that: The locking piece is a threaded pressing ring (32), and a reverse thread matching the threaded pressing ring (32) is constructed on the inner circumference of the tail end bottle mouth.

7. An integrated sealed high-pressure oxygen storage and supply system according to claim 6, characterized in that: A sealing gasket (31) is also installed between the cap portion (12) and the stepped platform (22).

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