CN105197212A - Submersible buoyancy adjusting system - Google Patents
Submersible buoyancy adjusting system Download PDFInfo
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- CN105197212A CN105197212A CN201510673411.1A CN201510673411A CN105197212A CN 105197212 A CN105197212 A CN 105197212A CN 201510673411 A CN201510673411 A CN 201510673411A CN 105197212 A CN105197212 A CN 105197212A
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Abstract
The invention provides a submersible buoyancy adjusting system, which is characterized by comprising a variable ballast tank, a liquid level indicator, a first fluid-controlled cut-off valve, a second fluid-controlled cut-off valve, a third fluid-controlled cut-off valve, a fourth fluid-controlled cut-off valve, an oil tank, a one-way valve, a pressure-balanced valve, a safety valve, a high-pressure oil pump, a fifth fluid-controlled cut-off valve and a direct current motor.
Description
Technical field
The present invention relates to a kind of buoyancy regulating system, particularly a kind of submersible buoyancy regulating system for the dark manned submersible in full sea.
Background technology
The scope of current human knowledge, research, investigation ocean mainly concentrates on 6500 meters with shallow.So-called full sea is dark, and namely sea water advanced from 0 meter to the whole depth range in ocean of the 11000 meters of degree of depth in Mariana Trench, innermost, ocean, Quan Haishen then covers the trench region of 6500 to 11000 meters.
After submersible dive to deep-sea, be subject to sea water density, the factor impacts such as submersible collected specimens weight, buoyancy and the gravitational equilibrium state of submersible can not keep.Now need to carry out buoyancy adjustment to submersible.During common control method, for the submersible of the shallow degree of depth, by the high pressure air that submersible carries, the water of submersible buoyancy adjustment water tank is carried out high pressure and blow down with the buoyancy increasing submersible, or seawater is put into submersible buoyancy adjustment water tank to reduce submersible buoyancy.
High pressure air blows down the seawater of submersible buoyancy adjustment water tank, needs the pressure of high pressure air to be greater than sea pressure, therefore, also available when the shallow degree of depth, but high pressure air consumption is very large, and can not regenerate under water.
After submersible working depth increases, high pressure gas is blown down no longer applicable, and high-pressure undersea oil pump generally can be adopted to be released by the water of submersible buoyancy adjustment water tank adjustment buoyancy.The shortcoming of this scheme is, high-pressure undersea oil pump technical risk is very large, is difficult to reach the dark pressure (110MP first fluid-controlled cut-off valve 3) in full sea, and manufacturing cost is higher, is subject to the restriction of seawater lubricating condition, and service life and reliability are also lower.
Summary of the invention
The present invention carries out to solve the problem, and object is the submersible buoyancy regulating system providing a kind of long service life, reliability high.
Submersible buoyancy regulating system provided by the invention, has such feature, comprising: shifting ballast cabin, and buoyancy adjustment medium is housed; Liquidometer, is connected with the inside in shifting ballast cabin; First fluid-controlled cut-off valve, one end is connected with shifting ballast cabin; Second fluid-controlled cut-off valve, one end is connected with one end of shifting ballast cabin, the first fluid-controlled cut-off valve; 3rd fluid-controlled cut-off valve, one end is connected with one end of the first fluid-controlled cut-off valve; 4th fluid-controlled cut-off valve, one end is connected with the other end of the 3rd fluid-controlled cut-off valve, the other end of the second fluid-controlled cut-off valve; Fuel tank, one end is connected with the other end of the 3rd fluid-controlled cut-off valve, the other end of the 4th fluid-controlled cut-off valve, and the other end is communicated with seawater; Pressure balance valve, first end is connected with the other end of the second fluid-controlled cut-off valve, one end of the 4th fluid-controlled cut-off valve, and the second end is connected with the other end of the first fluid-controlled cut-off valve, one end of the 3rd fluid-controlled cut-off valve; High-pressure oil pump, 3rd end of first end and pressure balance valve, the other end of the 4th fluid-controlled cut-off valve, the other end of the 3rd fluid-controlled cut-off valve, one end of fuel tank are connected, and the second end of the second end and pressure balance valve, the other end of the first fluid-controlled cut-off valve, one end of the 3rd fluid-controlled cut-off valve are connected; 5th fluid-controlled cut-off valve, 3rd end of one end and pressure balance valve, the other end of the 4th fluid-controlled cut-off valve, the other end of the 3rd fluid-controlled cut-off valve, one end of fuel tank are connected, the first end of high-pressure oil pump is connected, and the other end of the other end and the first fluid-controlled cut-off valve, one end of the 3rd fluid-controlled cut-off valve, the second end of pressure balance valve, the second end of high-pressure oil pump are connected; And DC machine, be connected with the 3rd end of high-pressure oil pump.
Submersible buoyancy regulating system provided by the invention, also there is such feature: wherein, connected by pipeline system between shifting ballast cabin, the first fluid-controlled cut-off valve, the second fluid-controlled cut-off valve, the 3rd fluid-controlled cut-off valve, the 4th fluid-controlled cut-off valve, fuel tank, pressure balance valve, high-pressure oil pump, the 5th fluid-controlled cut-off valve.
Submersible buoyancy regulating system provided by the invention, also there is such feature: wherein, fuel tank, have: fuel tank piston, be arranged on the inside of fuel tank, side and the 3rd hydraulic control of fuel tank piston cut, and only the other end of valve, the other end of the 4th fluid-controlled cut-off valve are connected, and opposite side is connected with seawater.
Submersible buoyancy regulating system provided by the invention, also have such feature: wherein, shifting ballast cabin, liquidometer, the first fluid-controlled cut-off valve, the second fluid-controlled cut-off valve, the 3rd fluid-controlled cut-off valve, the 4th fluid-controlled cut-off valve, pressure balance valve, high-pressure oil pump, the 5th fluid-controlled cut-off valve are resistance to complete extra large deep water pressure.
Submersible buoyancy regulating system provided by the invention, also has such feature: wherein, and pipeline system is resistance to complete extra large deep water pressure.
Submersible buoyancy regulating system provided by the invention, also has such feature: wherein, and buoyancy adjustment medium is hydraulic oil
Submersible buoyancy regulating system provided by the invention, also has such feature, comprising: check valve, and one end is connected with the other end of the second fluid-controlled cut-off valve, one end of the 4th fluid-controlled cut-off valve, and the other end is connected with pressure balance valve.
Submersible buoyancy regulating system provided by the invention, also there is such feature, comprise: safety valve, the other end of one end and the 4th fluid-controlled cut-off valve, the other end of the 3rd fluid-controlled cut-off valve, one end of fuel tank are connected, and the other end is connected with high-pressure oil pump, the 5th fluid-controlled cut-off valve.
Invention effect
According to submersible buoyancy regulating system involved in the present invention, the high-pressure oil pump of the DC motor Driver of operation technique maturation is as propulsion source, buoyancy adjustment dielectric fluid force feed is carried out fuel volume adjusting between fuel tank and shifting ballast cabin, realize the adjustable of buoyancy, and the accurate control of buoyancy is realized by pilot operated valve device group and hydraulic pressure transducer, use pressure balanced fuel tank assembly, alleviate fuel tank weight and utilize the difference entering the seawater amount of fuel tank to realize the adjustment of buoyancy, use hydraulic oil as buoyancy adjustment medium, instead of the mercury poisonous to biology, by the first fluid-controlled cut-off valve, second fluid-controlled cut-off valve, 3rd fluid-controlled cut-off valve, the combination of two of the 4th fluid-controlled cut-off valve realize two cover various flows to hydraulic tubing, save hydraulic tubing quantity and have the quantity saving hydraulic stop valve, safety valve is set, check valve, the function valve members such as balance cock carry out available protecting to system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's submersible buoyancy regulating system in an embodiment.
Detailed description of the invention
Referring to drawings and Examples, submersible buoyancy regulating system involved in the present invention is explained in detail.
Fig. 1 is the structural representation of the present invention's submersible buoyancy regulating system in an embodiment.
As shown in Figure 1, submersible buoyancy regulating system has: shifting ballast cabin 1, liquidometer 2, first fluid-controlled cut-off valve 3, second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5, the 4th fluid-controlled cut-off valve 6, fuel tank 7, check valve 8, pressure balance valve 9, safety valve 10, high-pressure oil pump 11, DC machine 12 and the 5th fluid-controlled cut-off valve 13.
The interior section volume in shifting ballast cabin 1 loads buoyancy adjustment medium, and other is for air therefore this place's hydraulic oil is always atmospheric pressure state.Buoyancy adjustment medium in this enforcement is hydraulic oil.
Liquidometer 2 is connected with the inside in shifting ballast cabin 1, for testing the hydraulic oil oil level in shifting ballast cabin 1, and real-time testing feeding back, when test data reaches setting level value, the power supply of corresponding shutoff valve and DC machine 12 can be closed.
One end of first fluid-controlled cut-off valve 3 is connected with shifting ballast cabin 1.
One end of second fluid-controlled cut-off valve 4 is in parallel with one end of shifting ballast cabin 1, first fluid-controlled cut-off valve 3 and is connected.
One end of 3rd fluid-controlled cut-off valve 5 is connected with one end of the first fluid-controlled cut-off valve 3.
One end of 4th fluid-controlled cut-off valve 6 is connected with the other end of the other end of the 3rd fluid-controlled cut-off valve 5, the second fluid-controlled cut-off valve 4.
First fluid-controlled cut-off valve 3, second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5, the 4th fluid-controlled cut-off valve 6, composition shutoff valve group, forms different hydraulic oil paths by combination opening and closing.
Fuel tank 7 has: fuel tank piston 7-1.One end of fuel tank 7 is connected with the other end of the other end of the 3rd fluid-controlled cut-off valve 5, the 4th fluid-controlled cut-off valve 6, and the other end is communicated with seawater.
Fuel tank piston 7-1 is arranged on the inside of fuel tank 7, the water-filling chamber being divided into seawater to communicate fuel tank 7 and airtight oil-filled chamber two parts, fuel tank piston 7-1 can move axially and seal, and hydraulic oil is in sealed chamber can not be revealed, and realizes the equilibrium of pressure of oil pressure and sea pressure.
One end of check valve 8 is connected with one end of the other end of the second fluid-controlled cut-off valve 4, the 4th fluid-controlled cut-off valve 6.Check valve 8 guarantees that hydraulic oil can only flow to the second fluid-controlled cut-off valve 4 the 4th fluid-controlled cut-off valve 6 from pressure balance valve 9, and adverse current can not occur to pressure balance valve 9.
The first end of pressure balance valve 9 is connected with the other end of check valve 8, and the second end is connected with the other end of the first fluid-controlled cut-off valve 3, one end of the 3rd fluid-controlled cut-off valve 5.Pressure balance valve 9 guarantees its entrance pressure delivery pressure 1Mp first fluid-controlled cut-off valve 3 all the time, to prevent hydraulic oil adverse current to high-pressure oil pump 11.
One end of safety valve 10 is connected with the other end of the 4th fluid-controlled cut-off valve 6, the other end of the 3rd fluid-controlled cut-off valve 5, one end of fuel tank 7.When safety valve 10 ensures that extraneous hydraulic pressure is greater than setting pressure, carry out earth pressure release, guarantee that piping pressure is no more than setting pressure, prevent piping superpressure.
The first end of high-pressure oil pump 11 is connected with the other end of the 3rd end of pressure balance valve 9, safety valve 10, and the second end of the second end and pressure balance valve 9, the other end of the first fluid-controlled cut-off valve 3, one end of the 3rd fluid-controlled cut-off valve 5 are connected.
DC machine 12 is connected with the 3rd end of high-pressure oil pump 11.High-pressure oil pump 11 and DC machine 12 combinationally use, and DC machine 12 is energized rear drive high-pressure oil pump 11, thus conveying liquid force feed is transmitted between shifting ballast cabin 1 and fuel tank 7, is the propulsion source of native system.
One end of 5th fluid-controlled cut-off valve 13 is connected with the 3rd end of pressure balance valve 9, the other end of safety valve 10, the first end of high-pressure oil pump 11, and the other end of the other end and the first fluid-controlled cut-off valve 3, one end of the 3rd fluid-controlled cut-off valve 5, the second end of pressure balance valve 9, the second end of high-pressure oil pump 11 are connected.Bypass disc when 5th fluid-controlled cut-off valve 13 starts as high-pressure oil pump 11, realizes the no-load starting of high-pressure oil pump 11.
Shifting ballast cabin 1, liquidometer 2, first fluid-controlled cut-off valve 3, second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5, the 4th fluid-controlled cut-off valve 6, fuel tank 7, check valve 8, pressure balance valve 9, safety valve 10, high-pressure oil pump 11, the 5th fluid-controlled cut-off valve 13 are resistance to complete extra large deep water pressure.
Connected by pipeline system between shifting ballast cabin 1, first fluid-controlled cut-off valve 3, second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5, the 4th fluid-controlled cut-off valve 6, fuel tank 7, check valve 8, pressure balance valve 9, safety valve 10, high-pressure oil pump 11, the 5th fluid-controlled cut-off valve 13, hydraulic oil flows in pipeline system.
Open the first fluid-controlled cut-off valve 3, the 4th fluid-controlled cut-off valve 6, second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5 are closed, and shifting ballast cabin 1, first fluid-controlled cut-off valve 3, high-pressure oil pump 11, pressure balance valve 9, check valve 8, the 4th fluid-controlled cut-off valve 6, fuel tank 7 form hydraulic oil path.Open the second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5, first fluid-controlled cut-off valve 3, the 4th fluid-controlled cut-off valve 6 are closed, and fuel tank 7, the 3rd fluid-controlled cut-off valve 5, high-pressure oil pump 11, pressure balance valve 9, check valve 8, second fluid-controlled cut-off valve 4, shifting ballast cabin 1 form another hydraulic oil path.
If shifting ballast cabin 1 pressure shell weight is G cabin, fuel tank 7 container weight is G case, hydraulic oil weight G oil in system, water inlet weight G water=ρ water V water in fuel tank 7, the buoyancy of variable ballast tank 1 is the second fluid-controlled cut-off valve 4 cabins=ρ water V cabin, fuel tank 7 buoyancy is the second fluid-controlled cut-off valve 4 casees=ρ water V case, then+G case+G oil+G water-the second fluid-controlled cut-off valve 4 cabin-the second, heavy buoyancy difference ▽ G=G cabin fluid-controlled cut-off valve 4 case=(+G case+G oil-ρ water V cabin, G cabin-ρ water V case)+ρ water V water of buoyancy regulating system, in formula, only V water is variable, in bracket, other values are definite value.Wherein ρ water is sea water density, and V water is the volume that fuel tank 7 is intake, and V cabin is the displacement of volume of variable ballast tank 1, and V case is the displacement of volume of fuel tank 7.
Therefore when the hydraulic oil of fuel tank 7 is pumped in variable ballast tank 1, the oil mass of fuel tank 7 reduces, and extraneous seawater will enter the volume that fuel tank 7 fills up loss of oil volume, flooding quantity in fuel tank 7 is increased, and now, V water increases, corresponding ▽ G increases, and submersible becomes heavy, shows as buoyancy and diminishes.
When the hydraulic oil of variable ballast tank 1 is pumped in fuel tank 7, the oil mass of fuel tank 7 increases, and the seawater in fuel tank 7 is partly extruded fuel tank 7, and the flooding quantity in fuel tank 7 is reduced, and now, V water reduces, and corresponding ▽ G reduces, and submersible lightens, and shows as buoyancy and becomes large.The above derivation of equation and be illustrated as the principle of this buoyancy regulating system.Specific implementation approach carries out according to process below.
Under initial condition, shifting ballast cabin 1 injection flow is total oil mass half, and half oil injects fuel tank 7 in addition.
In abyssal environment inoperative situation, four fluid-controlled cut-off valve.First fluid-controlled cut-off valve 3, second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5, the 4th fluid-controlled cut-off valve 6 are all in closed condition, and high-pressure oil pump 11 is failure to actuate.First utilize hydraulic power the 5th fluid-controlled cut-off valve 13 to be opened before starting high-pressure oil pump 11, to realize the No Load Start of DC machine 12, cancel hydraulic power after startup and close the 5th fluid-controlled cut-off valve 13, make high-pressure oil pump 11 realize No Load Start.
When needs submersible lightens, show as buoyancy and become large, the hydraulic oil pump in shifting ballast cabin 1 need be delivered to fuel tank 7, hydraulic power is utilized to open the first fluid-controlled cut-off valve 3, the 4th fluid-controlled cut-off valve 6, second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5 are closed, the hydraulic oil in shifting ballast cabin 1 through the first fluid-controlled cut-off valve 3, high-pressure oil pump 11, pressure balance valve 9, check valve 8, the 4th fluid-controlled cut-off valve 6, be discharged in fuel tank 7; Liquidometer 2 is tested and is fed back the oil level in shifting ballast cabin 1, and when dropping to required value, system cuts off power supply and the hydraulic power power supply of DC machine 12 automatically, closes high-pressure oil pump 11, first fluid-controlled cut-off valve 3, the 4th fluid-controlled cut-off valve 6.
When needs submersible becomes heavy, show as buoyancy to diminish, the hydraulic oil pump of fuel tank 7 need be delivered to shifting ballast cabin 1, hydraulic power is utilized to open the second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5, first fluid-controlled cut-off valve 3, the 4th fluid-controlled cut-off valve 6 are closed, and the hydraulic oil of fuel tank 7 is injected in shifting ballast cabin 1 through the 3rd fluid-controlled cut-off valve 5, high-pressure oil pump 11, pressure balance valve 9, check valve 8, second fluid-controlled cut-off valve 4.Equally, liquidometer 2 is tested and the oil level in feedback signal shifting ballast cabin 1, and when rising to required value, system cuts off power supply and the hydraulic power power supply of DC machine 12 automatically, closes high-pressure oil pump 11, second fluid-controlled cut-off valve 4, the 3rd fluid-controlled cut-off valve 5.
The effect of embodiment and effect
Submersible buoyancy regulating system involved by the present embodiment, the high-pressure oil pump of the DC motor Driver of operation technique maturation is as propulsion source, buoyancy adjustment dielectric fluid force feed is carried out fuel volume adjusting between fuel tank and shifting ballast cabin, realize the adjustable of buoyancy, and the accurate control of buoyancy is realized by pilot operated valve device group and hydraulic pressure transducer, use pressure balanced fuel tank assembly, alleviate fuel tank weight and utilize the difference entering the seawater amount of fuel tank to realize the adjustment of buoyancy, use hydraulic oil as buoyancy adjustment medium, instead of the mercury poisonous to biology, by the first fluid-controlled cut-off valve, second fluid-controlled cut-off valve, 3rd fluid-controlled cut-off valve, the combination of two of the 4th fluid-controlled cut-off valve realize two cover various flows to hydraulic tubing, save hydraulic tubing quantity and have the quantity saving hydraulic stop valve, safety valve is set, check valve, the function valve members such as balance cock carry out available protecting to system.
Above-mentioned embodiment is preferred case of the present invention, is not used for limiting the scope of the invention.
Claims (8)
1. a submersible buoyancy regulating system, is characterized in that, comprising:
Shifting ballast cabin, is equipped with buoyancy adjustment medium;
Liquidometer, is connected with the inside in described shifting ballast cabin;
First fluid-controlled cut-off valve, one end is connected with described shifting ballast cabin;
Second fluid-controlled cut-off valve, one end is connected with one end of described shifting ballast cabin, described first fluid-controlled cut-off valve;
3rd fluid-controlled cut-off valve, one end is connected with one end of described first fluid-controlled cut-off valve;
4th fluid-controlled cut-off valve, one end is connected with the other end of described 3rd fluid-controlled cut-off valve, the other end of described second fluid-controlled cut-off valve;
Fuel tank, one end is connected with the other end of described 3rd fluid-controlled cut-off valve, the other end of described 4th fluid-controlled cut-off valve, and the other end is communicated with seawater;
Pressure balance valve, first end is connected with the other end of described second fluid-controlled cut-off valve, one end of described 4th fluid-controlled cut-off valve, and the second end is connected with the other end of described first fluid-controlled cut-off valve, one end of described 3rd fluid-controlled cut-off valve;
High-pressure oil pump, first end is connected with the other end of the 3rd end of described pressure balance valve, described 4th fluid-controlled cut-off valve, the described other end of the 3rd fluid-controlled cut-off valve, one end of described fuel tank, and the second end is connected with the other end of the second end of described pressure balance valve, described first fluid-controlled cut-off valve, one end of described 3rd fluid-controlled cut-off valve;
5th fluid-controlled cut-off valve, one end is connected with the other end of the 3rd end of described pressure balance valve, described 4th fluid-controlled cut-off valve, the described other end of the 3rd fluid-controlled cut-off valve, one end of described fuel tank, the first end of described high-pressure oil pump is connected, and the other end of the other end and described first fluid-controlled cut-off valve, one end of described 3rd fluid-controlled cut-off valve, the second end of described pressure balance valve, the second end of described high-pressure oil pump are connected; And
DC machine, is connected with the 3rd end of described high-pressure oil pump.
2. submersible buoyancy regulating system according to claim 1, is characterized in that:
Wherein, connected by pipeline system between described shifting ballast cabin, described first fluid-controlled cut-off valve, described second fluid-controlled cut-off valve, described 3rd fluid-controlled cut-off valve, described 4th fluid-controlled cut-off valve, described fuel tank, described pressure balance valve, described high-pressure oil pump, described 5th fluid-controlled cut-off valve.
3. submersible buoyancy regulating system according to claim 1, is characterized in that:
Wherein, described fuel tank, has:
Fuel tank piston, is arranged on the inside of described fuel tank,
Side and described 3rd hydraulic control of described fuel tank piston cut, and only the other end of valve, the other end of described 4th fluid-controlled cut-off valve are connected, and opposite side is connected with described seawater.
4. submersible buoyancy regulating system according to claim 1, is characterized in that:
Wherein, described shifting ballast cabin, described liquidometer, described first fluid-controlled cut-off valve, described second fluid-controlled cut-off valve, described 3rd fluid-controlled cut-off valve, described 4th fluid-controlled cut-off valve, described pressure balance valve, described high-pressure oil pump, described 5th fluid-controlled cut-off valve are resistance to complete extra large deep water pressure.
5. submersible buoyancy regulating system according to claim 2, is characterized in that:
Wherein, described pipeline system is resistance to complete extra large deep water pressure.
6. submersible buoyancy regulating system according to claim 2, is characterized in that:
Wherein, described buoyancy adjustment medium is hydraulic oil.
7. submersible buoyancy regulating system according to claim 1, is characterized in that, also comprise:
Check valve, one end is connected with the other end of described second fluid-controlled cut-off valve, one end of described 4th fluid-controlled cut-off valve, and the other end is connected with described pressure balance valve.
8. submersible buoyancy regulating system according to claim 1, is characterized in that, also comprise:
Safety valve, one end is connected with the other end of described 4th fluid-controlled cut-off valve, the described other end of the 3rd fluid-controlled cut-off valve, one end of described fuel tank, and the other end is connected with described high-pressure oil pump, described 5th fluid-controlled cut-off valve.
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