CN-121990143-A - Buoyancy adjusting cabin with elastic breakwater

Abstract

The invention relates to the technical field of underwater unmanned autonomous aircrafts, in particular to a buoyancy regulating cabin with a spring breakwater. The buoyancy regulating cabin comprises end covers arranged at two ends of a pressure-resistant cabin body, a water injection and drainage port arranged at the middle lower part of the pressure-resistant cabin body and externally connected with a motor pump set hose, a liquid level meter arranged on the pressure-resistant cabin body and used for measuring the actual water level in the buoyancy regulating cabin, and flow guide ring ribs arranged in the pressure-resistant cabin body and distributed in the length direction of the pressure-resistant cabin body. The buoyancy regulating cabin with the elastic breakwater meets the requirements of quick water injection and drainage, accurate liquid level measurement and stable wave suppression of the buoyancy regulating cabin through a prototype test, and has the advantages of simple structure, light weight, convenience in maintenance and the like.

Inventors

• LI JIANGHAO
• LI KUN
• LIU JINYONG
• TAO MIAOMIAO

Assignees

• 宜昌测试技术研究所

Dates

Publication Date

20260508

Application Date

20251225

Claims (10)

1. 1. A buoyancy regulating compartment with a snap breakwater, comprising: the pressure-resistant cabin body (2) is provided with end covers (1) at two ends; the water injection and drainage outlet (4) is arranged at the middle lower part of the pressure-resistant cabin body (2), and the water injection and drainage outlet (4) is externally connected with a motor pump set hose; a liquid level meter (5) which is arranged on the pressure-resistant cabin body (2) and is used for measuring the actual water level in the buoyancy regulating cabin; the diversion ring ribs (3) are arranged in the pressure-resistant cabin body (2) and distributed in the length direction of the pressure-resistant cabin body (2).
2. 2. The buoyant adjustment tank with snap breakwater of claim 1, further comprising: And the elastic breakwater (6) is arranged in the guide ring ribs (3), and two elastic breakwater (6) are arranged on each guide ring rib (3).
3. 3. The buoyant adjustment tank with snap breakwater of claim 2, further comprising: And the reinforcing ring rib (7) is arranged outside the pressure-resistant cabin body (2).
4. 4. The buoyancy regulating cabin with the elastic breakwater according to claim 1, wherein the pressure-resistant cabin body (2) is made of aluminum alloy or titanium alloy.
5. 5. The buoyancy regulating compartment with a spring breakwater according to claim 1, wherein the end cap (1) adopts an arc structure.
6. 6. The buoyancy regulating tank with the elastic breakwater according to claim 1, wherein three liquid level meters (5) are arranged, and the three liquid level meters (5) are respectively positioned at the front part, the middle part and the rear part of the pressure-resistant tank body (2).
7. 7. The buoyancy regulating cabin with the elastic breakwater according to claim 1, wherein the diversion ring ribs (3) are respectively positioned at 1/3 and 2/3 of the length direction of the pressure-resistant cabin body (2).
8. 8. The buoyancy regulating cabin with the elastic breakwater according to claim 1, wherein 12 diversion holes are formed in the diversion ring rib (3).
9. 9. The buoyancy regulating cabin with the elastic breakwater according to claim 2, wherein the elastic breakwater (6) is made of a polymer elastomer.
10. 10. The buoyancy regulating cabin with the elastic breakwater according to claim 2, wherein the elastic breakwater (6) is made of hydrogenated nitrile rubber and polyurethane gradient materials.

Description

Buoyancy adjusting cabin with elastic breakwater Technical Field The invention relates to the technical field of underwater unmanned autonomous aircrafts, in particular to a buoyancy regulating cabin with a spring breakwater. Background In the technical field of deep sea equipment, the buoyancy regulating system is used as an important functional module of an underwater vehicle, and the motion stability and the energy efficiency of the underwater vehicle are directly influenced. The buoyancy compensating device of the current main stream generally adopts a water filling and draining adjusting mechanism of a ballast water tank, however, in the design of a miniaturized aircraft, the buoyancy compensating device is limited by the structural constraint of a boat body with an overlarge length-diameter ratio, the ballast water tank has to adopt a transverse layout mode, and the space adapting strategy directly leads the water tank to take a non-ideal slender form. When the slender buoyancy water tank is in a half-filled state, the acceleration generated by the underwater vehicle in the maneuvering process can enable the water body in the tank to form large-amplitude sloshing. This fluid oscillation produces additional torque through centroid displacement, directly interferes with the aircraft pitch attitude angle (which can reach + -8 deg. deviation under typical conditions), and can lead to control system instability in severe cases. Therefore, while meeting the buoyancy adjustment requirement of a small underwater vehicle, the influence of ballast water sloshing on the navigation attitude of the small underwater vehicle is reduced, and the design of the anti-sloshing cabin with an internal damping structure is needed, so that the fluid kinetic energy dissipation under the non-full-liquid working condition is realized through the diversion wave suppression device. Disclosure of Invention The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the invention aims to provide the buoyancy regulating cabin with the elastic breakwater, which can solve the problem that the posture of an aircraft is greatly influenced under the working condition of not being full of liquid. To achieve the above and other related objects, the present invention provides a buoyancy adjustment tank with a snap breakwater, comprising: The pressure-resistant cabin body is provided with end covers at two ends; The water injection and drainage outlet is arranged at the middle lower part of the pressure-resistant cabin body and is externally connected with a motor pump set hose; The liquid level meter is arranged on the pressure-resistant cabin body and is used for measuring the actual water level in the buoyancy regulating cabin; The diversion ring ribs are arranged in the pressure-resistant cabin body and distributed in the length direction of the pressure-resistant cabin body. In an embodiment of the present invention, further comprising: And the elastic breakwater is arranged in the guide ring ribs, and two elastic breakwater are arranged on each guide ring rib. In an embodiment of the present invention, further comprising: and the reinforcing ring rib is arranged on the outer side of the pressure-resistant cabin body. In an embodiment of the invention, the pressure-resistant cabin is made of aluminum alloy or titanium alloy. In one embodiment of the present invention, the end cap adopts an arc-shaped structure. In one embodiment of the invention, three liquid level meters are arranged, and the three liquid level meters are respectively positioned at the front part, the middle part and the rear part of the pressure-resistant cabin body. In an embodiment of the invention, the guide ring ribs are respectively positioned at 1/3 and 2/3 of the length direction of the pressure-resistant cabin body. In an embodiment of the present invention, 12 diversion holes are provided on the diversion ring rib. In an embodiment of the invention, the material of the elastic breakwater is a polymer elastomer. In an embodiment of the invention, the material of the elastic breakwater is hydrogenated nitrile rubber or polyurethane gradient material. As described above, the buoyancy regulating cabin with the elastic breakwater of the invention has the following beneficial effects: the buoyancy regulating cabin with the elastic breakwater meets the requirements of quick water injection and drainage, accurate liquid level measurement and stable wave suppression of the buoyancy regulating cabin through a prototype test, and has the advantages of simple structure, light weight, convenience in maintenance and the like. According to the buoyancy regulating cabin with the elastic breakwater, the slender pressure-resistant cabin body is divided into the plurality of effective compartments, the liquid volume in each compartment is reduced, the kinetic energy of small-volume liquid is more easily dissipated, an