CN114537627A - Buoyancy adjusting system - Google Patents

Abstract

The invention discloses a buoyancy adjustment system, comprising: a water tank, the water tank includes a plurality of sub-water tanks, the sub-water tanks are connected in sequence, the sub-water tank located at one end is provided with a water inlet hole, and the sub-water tank located at the other end The water tank is provided with a vent hole. In the present invention, a plurality of sub-water tanks are connected in sequence to form water tanks, and the sub-water tanks are filled with water in sequence. While realizing large-capacity buoyancy adjustment, the water is divided into a plurality of small parts and stored in the sub-water tanks, so the water sloshing is very small. , greatly reducing the impact on the aircraft.

Description

A buoyancy adjustment system

technical field

The invention relates to the technical field of navigation equipment, in particular to a buoyancy adjustment system.

Background technique

At present, the mass control type buoyancy control system is the most widely used. In this type of buoyancy adjustment system, the sea water pump type buoyancy adjustment device ensures that the water volume of the aircraft itself remains unchanged, and changes the quality of the aircraft by absorbing and draining water, thereby realizing up and down diving and continuously adjustable buoyancy. gradually become mainstream. Because its working medium is seawater with strong corrosiveness, it has high requirements on pumps and valves, so the structure is complex, and it relies heavily on technologies such as seawater pumps and seawater valves. This type of buoyancy adjustment device is generally installed on large underwater vehicles. Nowadays, with the development of underwater vehicles, more and more small and medium-sized vehicles also have the need to install sea water pump buoyancy adjustment devices. It is required to consider the effect of internal liquid sloshing on the navigation of the aircraft.

At present, less work has been done to reduce the liquid sloshing inside the buoyancy adjustment device, and the general sea water pump type buoyancy adjustment device can only be applied to large underwater vehicles.

SUMMARY OF THE INVENTION

The embodiment of the present invention provides a buoyancy adjustment system to solve the problem of liquid sloshing in the sea water pump type buoyancy adjustment system in the prior art.

In one aspect, an embodiment of the present invention provides a buoyancy adjustment system, comprising:

Water tank, the water tank includes a plurality of sub-water tanks, the sub-water tanks are connected in sequence, the sub-water tank at one end is provided with a water inlet hole, and the sub-water tank at the other end is provided with an exhaust hole.

A buoyancy adjustment system in the present invention has the following advantages:

A plurality of sub-water tanks are used to connect in sequence to form water tanks, and the sub-water tanks are filled with water in turn. While realizing large-capacity buoyancy adjustment, the water is divided into several small parts and stored in the sub-water tanks, so the water sloshing is very small. Reduced the impact on aircraft.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a schematic diagram of the overall structure of a buoyancy adjustment system provided by an embodiment of the present invention;

2 is a schematic cross-sectional structure diagram of a buoyancy adjustment system provided by an embodiment of the present invention;

3 is a schematic structural diagram of a first intermediate sub-tank provided by an embodiment of the present invention;

4 is a schematic structural diagram of a bottom sub-tank provided by an embodiment of the present invention;

5 is a schematic structural diagram of a second intermediate sub-tank provided by an embodiment of the present invention;

6 is a schematic structural diagram of a third intermediate sub-tank provided by an embodiment of the present invention;

7 is a schematic structural diagram of a top sub-tank provided by an embodiment of the present invention;

FIG. 8 is a schematic diagram of the water flow direction of the buoyancy adjustment system provided by the embodiment of the present invention.

Description of reference numerals: 100-water tank, 110-first intermediate sub-tank, 111-first drainage hole, 112-first through hole, 120-bottom sub-water tank, 121-inlet and drainage hole, 122-bottom through hole Hole, 130-second intermediate sub-tank, 131-second drainage hole, 132-second through hole, 140-third intermediate sub-tank, 141-third drainage hole, 142-third through hole, 150- Top sub water tank, 151- top drain hole, 152- top vent hole, 153- top through hole, 200- fine adjustment device, 300- hydraulic device.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-8 are schematic structural diagrams of a buoyancy adjustment system according to an embodiment of the present invention. An embodiment of the present invention provides a buoyancy adjustment system, including:

Water tank 100, the water tank 100 includes a plurality of sub-water tanks, the sub-water tanks are connected in sequence, the sub-water tank at one end is provided with a water inlet hole, and the sub-water tank at the other end is provided with an exhaust hole.

Exemplarily, a through hole may be provided on each sub-water tank, and two adjacent sub-water tanks communicate with each other through the through hole. The water inlet hole is used to connect with the sea water pump, and the sea water can be injected into the sub-water tanks through the sea water pump. Since the sub-water tanks are connected in turn, the sea water is injected into each sub-water tank in turn, and the sea water pump can be controlled according to the required buoyancy. The corresponding number of sub-tanks are filled with water, while other sub-tanks are filled with air to provide buoyancy to the craft.

In the embodiment of the present invention, the water tank 100 is a hollow cylindrical structure, the water tank 100 is composed of multiple layers of sub-water tanks, and each layer of sub-water tanks is a circular structure, so the horizontal section of each sub-water tank is fan ring. Each sub-tank can be the same shape and size to store the same volume of water. In the present invention, the capacity of each sub-water tank is 60L, the water tank is composed of 5 layers of sub-water tanks, and each layer includes 8 sub-water tanks, so the central angle corresponding to each sub-water tank is 45 degrees, and the capacity of the entire water tank It is 2400L.

In a possible embodiment, the sub-tank includes: a bottom sub-tank 120, the bottom of the bottom sub-tank 120 is provided with an inlet and drain hole 121, and one side of the bottom sub-tank 120 is provided with a bottom through hole 122; The first intermediate sub-tank 110, two opposite sides of the first intermediate sub-tank 110 are provided with first through holes 112, a first through hole 112 on one side of the first intermediate sub-tank 110 and a bottom through hole 122 is connected, and the plurality of first intermediate sub-tanks 110 are connected in sequence through the first through holes 112 .

Exemplarily, the water inlet and outlet holes 121 are used to connect with a sea water pump to inject water into the bottom sub-tank 120 and subsequent sub-tanks. The inlet and drain holes 121 can be arranged on the bottom surface of the bottom sub-tank 120 or at the bottom of the side, while the bottom through holes 122 can be arranged on the top of the side of the bottom sub-tank 120, so that the bottom sub-tank 120 is filled with water after the bottom sub-tank 120 is filled with water. , the excess seawater will flow to other sub tanks. Correspondingly, the position of the first through hole 112 on the first middle sub-tank 110 corresponds to the position of the bottom through-hole 122 on the bottom sub-tank 120 , and is also at the top of the side of the first sub-tank 110 .

In a possible embodiment, the sub-tank further includes: a second intermediate sub-tank 130, second through holes 132 are provided on one side and the top surface of the second intermediate sub-tank 130, and a plurality of first The first through hole 112 of the first intermediate sub-tank 110 at the end of an intermediate sub-tank 110 communicates with the second through-hole 132 on the side of the second intermediate sub-tank 130; the third intermediate sub-tank 140, the first Third through holes 142 are provided on one side and the bottom surface of the three intermediate sub-tanks 140 . The two through holes 132 are connected to each other, the plurality of first intermediate sub-tanks 110 are connected in sequence, and the first through holes 112 on the first intermediate sub-tank 110 at the end and the third through-hole on the side of the third intermediate sub-tank 140 The holes 142 communicate.

Exemplarily, when only the first intermediate sub-tank 110 and the bottom sub-tank 120 are used, the tank 100 with a single-layer structure can be formed, and after the second intermediate sub-tank 130 and the third intermediate sub-tank 140 are used, The water tank 100 of a multi-layer structure may be formed. The second intermediate sub-tank 130 can lead the water to the upper layer, and the third intermediate sub-tank 140 can lead the water from the second intermediate sub-tank 130 to the first intermediate sub-tank 110 on the same layer. In this way, the seawater flows in the sub-water tanks of different layers.

In the embodiment of the present invention, the second through hole 132 on the side of the second intermediate sub-tank 130 may be provided at the top of the side, and correspondingly, the third through-hole 142 on the side of the third intermediate sub-tank 140 may also be provided on top of the sides.

In a possible embodiment, the sub-tank further includes: a top sub-tank 150 , a top through hole 153 is provided on one side of the top sub-tank 150 , and a top exhaust hole 152 is provided on the top of the top sub-tank 150 , the first through hole 112 of the first intermediate sub-tank 110 at the end of the plurality of first intermediate sub-tanks 110 communicates with the top through-hole 153 .

Exemplarily, when the water tank 100 is only a single-layer structure, the top sub-tank 150 can be arranged at the same level as the bottom sub-tank 120 and the first middle sub-tank 110, and the last first middle sub-tank 110. The sub-tank 110 is connected, so that when the sea water pump fills the bottom sub-tank 120 and the first middle sub-tank 110, the seawater in the two sub-tanks gradually flows into the top sub-tank 150, and is discharged from the top sub-tank 152. discharge.

When the water tank 100 adopts a multi-layer structure, the first through hole 112 and the top through hole of the first intermediate sub-tank 110 at the end of the plurality of first intermediate sub-tanks 110 connected to the third intermediate sub-tank 140 153 connections.

Since the top sub-tank 150 is the last sub-tank filled with water in the entire water tank 100 and is at the top layer, the air in other sub-tanks will gradually enter the top sub-tank 150, while the top sub-tank will gradually enter the top sub-tank 150. The air in the water is discharged through the top exhaust hole 152, so that water can be injected into each sub-water tank normally. In the embodiment of the present invention, the top through hole 132 on the side of the top sub-tank 150 may be provided at the top of the side.

In a possible embodiment, the bottom of the first intermediate sub-tank 110 is provided with a first drainage hole 111 .

Exemplarily, the first drainage hole 111 may be disposed on the bottom surface of the first intermediate sub-tank 110 or the bottom of one side surface. In order to prevent seawater from flowing out of the first drainage hole 111 during water injection, a valve may be installed on the first drainage hole 111, and the valve may be opened only when drainage is performed to increase buoyancy.

In a possible embodiment, the bottom of the second intermediate sub-tank 130 is provided with a second drain hole 131 , and the bottom of the third intermediate sub-tank 140 is provided with a third drain hole 141 .

Exemplarily, the second drain hole 131 may be provided on the bottom surface of the second intermediate sub-tank 130 or the bottom of one side surface, and the third drain hole 141 may be provided on the bottom surface of the third intermediate sub-tank 140 or the bottom of one side surface. In order to prevent seawater from flowing out from the second drain hole 131 and the third drain hole 142 during water injection, valves can be installed on the second drain hole 131 and the third drain hole 141, and the valve is opened only when the water is drained to increase the buoyancy.

In a possible embodiment, the bottom of the top sub-tank 150 is provided with a top drainage hole 151 .

Exemplarily, the top drainage hole 151 may be disposed on the bottom surface of the top sub-tank 150 or the bottom of one side surface. In order to prevent seawater from flowing out of the top drain hole 151 when water is injected, a valve can be installed on the top drain hole 151, and the valve is opened only when the water is drained to increase the buoyancy.

In a possible embodiment, it further includes: a fine adjustment device 200 connected to the water tank 100 .

Exemplarily, the fine-tuning device 200 includes a cylinder and a piston movably disposed inside the cylinder. Water is injected under the piston. When the piston moves inside the cylinder, the volume of air above the piston can be adjusted, thereby continuously adjusting the buoyancy. In the embodiment of the present invention, the capacity of the cylinder is equal to the capacity of a single sub-tank, that is, 60L. The fine-tuning device 200 can continuously adjust the buoyancy in the range of 0-60L. Therefore, the entire buoyancy adjustment system can provide a maximum capacity corresponding to 2460L. buoyancy.

In a possible embodiment, it further includes: a hydraulic device 300, which is connected to the water tank 100, and the hydraulic device 300 is used for connecting with the aircraft.

Exemplarily, the position of the tank 100 can be adjusted by the hydraulic device 300 .

Although preferred embodiments of the present invention have been described, additional changes and modifications to these embodiments may occur to those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of the present invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (10)

1. A buoyancy regulating system, comprising:

the water tank (100) comprises a plurality of sub water tanks, the sub water tanks (100) are sequentially communicated, one end of each sub water tank is provided with a water inlet, and the other end of each sub water tank is provided with an exhaust hole.

2. The buoyancy regulating system according to claim 1, wherein the sub-tanks comprise:

the water-saving device comprises a bottom sub water tank (120), wherein a water inlet and outlet hole (121) is formed in the bottom of the bottom sub water tank (120), and a bottom through hole (122) is formed in one side surface of the bottom sub water tank (120);

first middle sub-water tank (110), all be provided with first through-hole (112) on the two opposite side of first middle sub-water tank (110), one on a side of first middle sub-water tank (110) first through-hole (112) with bottom through-hole (122) intercommunication, it is a plurality of first middle sub-water tank (110) all passes through first through-hole (112) communicate in proper order.

3. The buoyancy regulating system according to claim 2, wherein the sub-tanks further comprise:

a second middle sub water tank (130), wherein second through holes (132) are respectively arranged on one side surface and the top surface of the second middle sub water tank (130), and a first through hole (112) of the first middle sub water tank (110) positioned at the tail end in the plurality of first middle sub water tanks (110) is communicated with a second through hole (132) on the side surface of the second middle sub water tank (130);

a third middle sub-water tank (140), wherein third through holes (142) are formed in one side surface and the bottom surface of the third middle sub-water tank (140), the third through holes (142) in the bottom surface of the third middle sub-water tank (140) are communicated with second through holes (132) in the top surface of the second middle sub-water tank (130), the first middle sub-water tank (110) is communicated in sequence, and the first through holes (112) in the first middle sub-water tank (110) at the tail end are communicated with the third through holes (142) in the side surface of the third middle sub-water tank (140).

4. The buoyancy regulating system according to claim 2, wherein the sub-tanks further comprise:

the water tank comprises a top sub water tank (150), wherein a top through hole (153) is formed in one side face of the top sub water tank (150), a top exhaust hole (152) is formed in the top of the top sub water tank (150), and the top sub water tank is provided with a plurality of first middle sub water tanks (110) which are located at the tail ends, and first through holes (112) of the first middle sub water tanks (110) are communicated with the top through holes (153).

5. The buoyancy regulating system according to claim 3, wherein the sub-tanks further comprise:

the water tank comprises a top sub water tank (150), wherein a top through hole (153) is formed in one side face of the top sub water tank (150), a top exhaust hole (152) is formed in the top of the top sub water tank (150), and a plurality of first through holes (112) of the first middle sub water tank (110) are communicated with the top through hole (153), wherein the first through holes (112) of the first middle sub water tank (110) are located at the tail end in the first middle sub water tank (110) and are connected with the third middle sub water tank (140).

6. A buoyancy regulating system according to claim 2, wherein the bottom of the first intermediate sub-tank (110) is provided with a first drain hole (111).

7. A buoyancy regulating system according to claim 3, wherein the bottom of the second intermediate sub-tank (130) is provided with a second drainage hole (131), and the bottom of the third intermediate sub-tank (140) is provided with a third drainage hole (141).

8. A buoyancy regulating system according to any one of claims 4 or 5, wherein the bottom of the top sub-tank (150) is provided with top drainage holes (151).

9. The buoyancy regulating system according to claim 1, further comprising:

a fine adjustment device (200) connected with the water tank (100).

10. The buoyancy regulating system according to claim 1, further comprising:

a hydraulic device (300) connected to the water tank (100), the hydraulic device (300) being adapted for connection to an aircraft.

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