CN113060263A - Long-distance underwater glider variable-buoyancy driving device and method thereof - Google Patents
Long-distance underwater glider variable-buoyancy driving device and method thereof Download PDFInfo
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- CN113060263A CN113060263A CN202110473576.XA CN202110473576A CN113060263A CN 113060263 A CN113060263 A CN 113060263A CN 202110473576 A CN202110473576 A CN 202110473576A CN 113060263 A CN113060263 A CN 113060263A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/24—Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies
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Abstract
The invention discloses a long-distance underwater glider variable buoyancy driving device and a method thereof, and the long-distance underwater glider variable buoyancy driving device comprises an inner oil tank, a primary booster pump, a filter, a high-pressure plunger pump, a one-way valve, an outer skin bag, an electromagnetic valve, an overflow valve and an energy accumulator, wherein the outer skin bag, the one-way valve, the high-pressure plunger pump, the primary booster pump and the inner oil tank are connected in series, the overflow valve is connected on the primary booster pump, the filter is arranged at an oil inlet of the high-pressure plunger pump, the outer shell material of the energy accumulator is carbon fiber, the long-distance underwater glider variable buoyancy driving device provides sufficient power for a long-distance underwater glider through the volume change of the outer skin bag, the filter is connected on the primary booster pump through the overflow valve, the filter is connected on the high-pressure plunger pump, the volume and the, the mass and the volume of the device are reduced, so that the device has better power.
Description
Technical Field
The invention belongs to the field of underwater gliders, and particularly relates to a variable-buoyancy driving device and method for a long-distance underwater glider.
Background
The long-distance underwater glider is a glider which travels in water and on the water surface for a long time in a switching mode, the variable buoyancy driving device is a device for providing power for the glider to freely switch from the water surface to the water surface, and in the process that the conventional variable buoyancy driving device provides power for the long-distance underwater glider, the device is large in mass and insufficient in provided power, so that the efficiency of the glider in the floating and sinking operation in the water is influenced.
Therefore, in order to solve the problem, the development of a variable buoyancy driving device of the long-distance underwater glider is urgently needed to meet the requirement of practical use.
Disclosure of Invention
The invention aims to provide a variable-buoyancy driving device of a long-distance underwater glider and a method thereof, and aims to solve the problems that the existing device is large in mass and insufficient in power.
In order to achieve the purpose, the invention provides the following technical scheme: a variable buoyancy drive device for a long-distance underwater glider, comprising: interior oil tank, elementary booster pump, filter, high-pressure plunger pump, check valve, skin bag, solenoid valve, overflow valve, energy storage ware, first oil pipeline, second oil pipeline, third oil pipeline, its characterized in that: become buoyancy drive arrangement and carry the oil mass not less than 1.5L between skin bag and interior oil tank, become buoyancy drive arrangement total mass and be not more than 7.5 kg, skin bag and energy storage ware pass through first oil pipeline and are connected, skin bag and interior oil tank pass through the second oil pipeline and are connected, still are connected with the solenoid valve on the second oil pipeline, skin bag, check valve, high-pressure plunger pump, elementary booster pump, interior oil tank pass through the third oil pipeline and connect, the connected mode is series connection.
Preferably, the primary booster pump is a gear pump, the overflow valve is connected to the primary booster pump, and the connection mode is movable connection.
Preferably, a filter is installed at an oil pumping port of the high-pressure plunger pump, a hollow small hole is formed in the outer surface of the filter, a thread is arranged in the small hole, and a screw matched with the thread of the filter is arranged on the high-pressure plunger pump.
Preferably, the outer shell material of the energy accumulator is carbon fiber with low mass per unit volume and high strength.
Preferably, the high-pressure plunger pump comprises an inlet and outlet valve sealing body, the shape of the inlet and outlet valve sealing body is spherical, and the material of the inlet and outlet valve sealing body is stainless steel balls capable of resisting seawater high salinity corrosion.
The invention also provides a buoyancy-variable driving device utilizing the long-distance underwater glider, which is characterized in that the method comprises the following steps:
step 1, a water surface oil return stage;
when the glider is positioned on the water surface, the electromagnetic valve is opened, hydraulic oil flows back to the inner oil tank due to external atmospheric pressure, the volume of the outer skin bag is reduced at the moment, the buoyancy of the glider is reduced, and after the specified oil quantity is reached, the electromagnetic valve 7 is closed to start diving;
in the submergence process, the pressure is gradually increased due to the increase of the depth, when the external seawater pressure is greater than the pre-charging pressure of the energy accumulator, a part of hydraulic oil of the outer skin bag is slowly pressed into the energy accumulator (9), so that the volume of the glider is continuously reduced, and the net buoyancy loss caused by the increase of the seawater density is compensated;
after the glider reaches a preset depth, oil drainage is started, in the oil drainage process, a primary booster pump is started firstly to suck oil from an oil tank and boost the inlet of a high-pressure plunger pump, the pressure is controlled through an overflow valve, after a period of time, the high-pressure plunger pump is started to resist the external environment pressure to discharge hydraulic oil to an outer skin bag, the volume of the outer skin bag is gradually increased at the moment, the oil drainage is stopped after a specified oil drainage amount is reached, and the glider starts to float upwards;
during the floating process, the external seawater pressure is gradually reduced, the pressure in the energy accumulator is gradually released, the hydraulic oil gradually enters the outer skin bag from the energy accumulator, the volume of the glider is continuously increased, the buoyancy loss is compensated, and the hydraulic oil in the energy accumulator completely enters the outer skin bag until the water surface is reached; and (5) preparing to return oil again and entering the next circulation.
The invention has the technical effects and advantages that: this long distance glider becomes buoyancy drive arrangement under water through the long-pending change of crust utricule, for long distance glider provides sufficient power under water, connects on elementary booster pump through the overflow valve, and the filter is connected on high-pressure plunger pump, reduces device volume and volume, reduces the runner loss again, sets up to the carbon fiber through the energy storage ware casing, and high-pressure plunger pump business turn over valve adopts the steel ball to seal firmly, has reduced the quality and the volume of device to there is better power.
Drawings
FIG. 1 is a schematic structural view of the present invention;
the reference numbers in the figures: the device comprises an inner oil tank 1, a primary booster pump 2, a filter 3, a high-pressure plunger pump 4, a one-way valve 5, an outer skin bag 6, an electromagnetic valve 7, an overflow valve 8, an energy accumulator 9, a first oil pipeline 11, a second oil pipeline 12 and a third oil pipeline 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a variable buoyancy driving device of a long-distance underwater glider, which comprises: interior oil tank 1, elementary booster pump 2, filter 3, high-pressure plunger pump 4, check valve 5, crust bag 6, solenoid valve 7, overflow valve 8, energy storage ware 9, first oil pipeline 11, second oil pipeline 12, third oil pipeline 13, its characterized in that: become buoyancy drive arrangement and carry the oil mass not less than 1.5L between outer skin 6 and interior oil tank 1, become buoyancy drive arrangement total mass and be not more than 7.5 kg, outer skin 6 is connected through first oil pipeline 11 with energy storage ware 9, outer skin 6 is connected through second oil pipeline 12 with interior oil tank 1, still be connected with solenoid valve 7 on the second oil pipeline 12, outer skin 6, check valve 5, high-pressure plunger pump 4, elementary booster pump 2, interior oil tank 1 is connected through third oil pipeline 13, the connected mode is series connection.
Further, elementary booster pump 2 is the gear pump, and overflow valve 8 is connected on elementary booster pump 2, and the connected mode is swing joint, filter 3 is installed to 4 oil inlets of high pressure plunger pump, and 3 surfaces of filter have the cavity aperture, have the screw in the aperture, and high pressure plunger pump 4 has the screw supporting with 3 screw threads of filter, 9 outside casing materials of energy storage ware are the carbon fiber that the unit volume quality is low, intensity is high, high pressure plunger pump 4 includes the business turn over valve seal body, and the business turn over valve seal body shape is the sphere, and the material is the stainless steel bobble that can resist the corrosion of sea water high salinity.
Furthermore, the volume of the outer leather bag is 1.68L, the internal volume of the inner oil tank sample machine is 1.95L, the moving distance is 75mm, and the actual output oil amount is 1.86L by the sliding column type guide mechanism; the rated working pressure of the primary booster pump is not less than 0.5MPa, the rated working flow is 145ml/min, the rated rotating speed is 4500rpm, and the pressure of an oil inlet is 70 kPa; the rated voltage of the motor of the primary booster pump is 24VDC, the rated power is 8W, and the rated rotating speed is 4500 rpm; the rated working pressure of the high-pressure plunger pump is 15MPa, the rated working flow is 100ml/min, and the rated rotating speed is 4500 rpm; the rated voltage of the high-pressure plunger pump motor is 24VDC, the rated power is 30W, and the rated rotating speed is more than or equal to 3000 r/min; the nominal flow of the one-way valve is 100mL/min, the low opening pressure is, and the high opening pressure is; the rated voltage of the electromagnetic valve is 24VDC, and the rated pressure is 12 MPa; the rated pressure of the overflow valve is 1MPa, and the rated flow is 145 mL/min; the rated pressure of the accumulator is 12MPa, and the nominal volume is 500 mL.
The working principle is as follows:
1. water surface oil return stage
When the glider is on the water surface, the electromagnetic valve 7 is opened, the hydraulic oil flows back to the inner oil tank 1 due to the external atmospheric pressure, at the moment, the volume of the outer leather bag 6 is reduced, the buoyancy of the glider is reduced, and after the specified oil quantity is reached, the electromagnetic valve 7 is closed to start diving.
2. Diving phase
In the submergence process, because the degree of depth increases, pressure increases gradually, when external sea water pressure is greater than the energy storage ware 9 pre-charge pressure, the partly hydraulic oil of crust bag 6 will be pressed slowly into energy storage ware 9, makes the glider volume continue to reduce, compensates the net buoyancy loss that leads to because the sea water density increases.
3. Oil discharge stage under water
After the glider reaches the preset depth, oil discharge is started, in the oil discharge process, the primary booster pump 2 is started firstly to absorb oil from the oil tank and boost the inlet of the high-pressure plunger pump 4, the pressure is controlled by the overflow valve 8, after a period of time, the high-pressure plunger pump 4 is started to resist the external environment pressure to discharge the hydraulic oil to the outer skin bag 6, at the moment, the volume of the outer skin bag 6 is gradually increased, after the specified oil discharge amount is reached, the oil discharge is stopped, and the glider starts to float.
4. Stage of upward floating
In the floating process, the pressure of the external seawater is gradually reduced, the pressure in the energy accumulator 9 is gradually released, the hydraulic oil gradually enters the outer skin bag 6 from the energy accumulator 9, the volume of the glider is continuously increased, the buoyancy loss is compensated, and the hydraulic oil in the energy accumulator 9 completely enters the outer skin bag 6 until the water surface is reached. And (5) preparing to return oil again and entering the next circulation.
This long distance glider becomes buoyancy drive arrangement under water through the long-pending change of crust utricule, for long distance glider provides sufficient power under water, connects on elementary booster pump through the overflow valve, and the filter is connected on high-pressure plunger pump, reduces device volume and volume, reduces the runner loss again, sets up to the carbon fiber through the energy storage ware casing, and high-pressure plunger pump business turn over valve adopts the steel ball to seal firmly, has reduced the quality and the volume of device to there is better power.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A variable buoyancy drive device for a long-distance underwater glider, comprising: interior oil tank (1), elementary booster pump (2), filter (3), high-pressure plunger pump (4), check valve (5), crust bag (6), solenoid valve (7), overflow valve (8), energy storage ware (9), first oil pipeline (11), second oil pipeline (12), third oil pipeline (13), its characterized in that: become buoyancy drive arrangement and carry the oil mass between skin bag (6) and interior oil tank (1) and be not less than 1.5L, become buoyancy drive arrangement total mass and be not more than 7.5 kg, skin bag (6) are connected through first oil pipeline (11) with energy storage ware (9), skin bag (6) are connected through second oil pipeline (12) with interior oil tank (1), still be connected with solenoid valve (7) on second oil pipeline (12), skin bag (6), check valve (5), high-pressure plunger pump (4), elementary booster pump (2), interior oil tank (1) are connected through third oil pipeline (13), the connected mode is series connection.
2. The variable buoyancy drive device of a long-distance underwater glider according to claim 1, wherein: the primary booster pump (2) is a gear pump, the overflow valve (8) is connected to the primary booster pump (2), and the connection mode is movable connection.
3. The variable buoyancy drive device of a long-reach underwater glider according to claim 1, wherein: the oil inlet of the high-pressure plunger pump (4) is provided with the filter (3), the outer surface of the filter (3) is provided with a hollow small hole, a thread is arranged in the small hole, and the high-pressure plunger pump (4) is provided with a screw matched with the thread of the filter (3).
4. The variable buoyancy drive device of a long-reach underwater glider according to claim 1, wherein: the outer shell material of the energy accumulator (9) is carbon fiber with low mass per unit volume and high strength.
5. The variable buoyancy drive device of a long-distance underwater glider according to claim 1, wherein: the high-pressure plunger pump (4) comprises an inlet and outlet valve sealing body, the shape of the inlet and outlet valve sealing body is spherical, and the inlet and outlet valve sealing body is made of stainless steel balls capable of resisting seawater high-salinity corrosion.
6. A variable buoyancy driving device for a long-distance underwater glider, which is characterized by comprising the following components in parts by weight according to any one of claims 1 to 5:
step 1, a water surface oil return stage;
when the glider is positioned on the water surface, the electromagnetic valve (7) is opened, hydraulic oil flows back to the inner oil tank (1) due to external atmospheric pressure, at the moment, the volume of the outer skin bag (6) is reduced, the buoyancy of the glider is reduced, and after the specified oil quantity is reached, the electromagnetic valve (7) is closed to start diving;
step 2, a submergence stage;
in the submergence process, the pressure is gradually increased due to the increase of the depth, when the external seawater pressure is greater than the pre-charging pressure of the energy accumulator (9), a part of hydraulic oil of the outer skin bag (6) is slowly pressed into the energy accumulator (9), so that the volume of the glider is continuously reduced, and the net buoyancy loss caused by the increase of the seawater density is compensated;
step 3, oil discharging underwater;
after the glider reaches a preset depth, oil drainage is started, in the oil drainage process, a primary booster pump (2) is started firstly to suck oil from an oil tank and boost the inlet of a high-pressure plunger pump (4), the pressure is controlled by an overflow valve (8), after a period of time, the high-pressure plunger pump (4) is started to resist the external environment pressure to discharge hydraulic oil to an outer skin bag (6), at the moment, the volume of the outer skin bag (6) is gradually increased, after a specified oil drainage amount is reached, oil drainage is stopped, and the glider starts to float;
step 4, a floating stage;
in the floating process, the external seawater pressure is gradually reduced, the pressure in the energy accumulator (9) is gradually released, hydraulic oil gradually enters the outer skin bag (6) from the energy accumulator (9), the volume of the glider is continuously increased, the buoyancy loss is compensated, and the hydraulic oil in the energy accumulator (9) completely enters the outer skin bag (6) until the water surface is reached; and (5) preparing to return oil again and entering the next circulation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214863A (en) * | 2022-08-24 | 2022-10-21 | 青岛海洋科学与技术国家实验室发展中心 | Underwater glider buoyancy driving system, buoyancy adjusting method and power generation method |
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2021
- 2021-04-29 CN CN202110473576.XA patent/CN113060263A/en active Pending
Patent Citations (8)
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| CN102501955A (en) * | 2011-08-24 | 2012-06-20 | 天津大学 | Buoyancy driving device of deep-sea underwater glider |
| CN105954063A (en) * | 2016-06-02 | 2016-09-21 | 广州海洋地质调查局 | Seabed pore water collecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115214863A (en) * | 2022-08-24 | 2022-10-21 | 青岛海洋科学与技术国家实验室发展中心 | Underwater glider buoyancy driving system, buoyancy adjusting method and power generation method |
| CN115214863B (en) * | 2022-08-24 | 2023-08-22 | 青岛海洋科技中心 | Buoyancy driving system, buoyancy adjusting method and power generation method of underwater glider |
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