CN107387499A - A kind of hydraulic means suitable for underwater sound emission Burning rate testing system - Google Patents
A kind of hydraulic means suitable for underwater sound emission Burning rate testing system Download PDFInfo
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- CN107387499A CN107387499A CN201710735918.4A CN201710735918A CN107387499A CN 107387499 A CN107387499 A CN 107387499A CN 201710735918 A CN201710735918 A CN 201710735918A CN 107387499 A CN107387499 A CN 107387499A
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- sound emission
- burning rate
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 40
- 239000002828 fuel tank Substances 0.000 claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 13
- 239000010935 stainless steel Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 21
- 239000003921 oil Substances 0.000 claims description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 230000006837 decompression Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000004449 solid propellant Substances 0.000 description 11
- 238000011056 performance test Methods 0.000 description 4
- 239000010729 system oil Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003380 propellant Substances 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/007—Simulation or modelling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/027—Installations or systems with accumulators having accumulator charging devices
- F15B1/033—Installations or systems with accumulators having accumulator charging devices with electrical control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to underwater sound emission Burning rate testing correlative technology field, it discloses a kind of hydraulic means suitable for underwater sound emission Burning rate testing system, the hydraulic means includes pressure charging system, the pressure charging system includes pressurizing pack, fuel tank, plunger pump, the second check valve, force feed fine filter, the first proportional pressure-reducing valve, the second solenoid directional control valve, water pressurizer, stainless steel high-pressure water valve and combustion chamber that the pressurizing pack includes once by pipeline being connected, is connected to the variable-frequency motor of the plunger pump and is connected to the water tank of the water pressurizer；The water pressurizer includes the hydraulic cylinder that is isometrical, concentric, sharing a piston rod of two series connection, and two hydraulic cylinders are respectively hydraulic oil inlet hydraulic cylinder and outlet hydraulic cylinder, and the hydraulic oil inlet hydraulic cylinder is connected to second solenoid directional control valve；The outlet hydraulic cylinder is connected with the water tank.Cost of the present invention is relatively low, and versatility is preferable, and precision is higher, and is applied to wet hyperbaric environment.
Description
Technical field
The invention belongs to underwater sound emission Burning rate testing correlative technology field, is applied to more particularly, to one kind underwater
The hydraulic means of sound emission Burning rate testing system.
Background technology
, it is necessary to be made an appraisal to combustibility during solid propellant research and development, sample, batch production, to weigh
Whether the propellant under new technology meets design requirement.In combustibility is evaluated, propellant burning rate, burning rate pressure exponent, temperature
Quick coefficient is important references index.In these parameters, burn rate is the evaluation index of most critical.Either Pressure Exponent or temperature sensitive
Coefficient is asked for all being finally reflected in the measurement of burn rate, and a stable wet hyperbaric environment in the test process of burn rate
Realization be vital.
At present, the domestic mode for being used to realize stable wet hyperbaric environment is mostly pump pressure type, but what pump pressure type used
It is the pressure of solenoid valve control water, high-pressure water valve easily leaks when high pressure be present, hardly possible seals, control accuracy far can not meet to test
It is required that, the problems such as R＆D costs are high, poor universality, existing Burning rate testing system is far from actual test demand is met, especially
It is in more than 15MPa mesohigh pressure range.Correspondingly, to adapt to solid propellant manufacture needs, establish a set of
Meet that the hydraulic system of high pressure Burning rate testing is most important.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides one kind to be applied to underwater sound emission burn rate
The hydraulic means of test system, the characteristics of its voltage regulation way based on existing underwater sound emission Burning rate testing system, study and set
The hydraulic means suitable for underwater sound emission Burning rate testing system is counted, the hydraulic means can be SOLID PROPELLANT COMBUSTION
It can test and a high-precision hyperbaric environment is provided, reality can not be met by solving current solid propellant combustion rate Performance Test System
The problem of border testing requirement, a stable wet hyperbaric environment can accurately be realized by feedback control, with preferably real
Existing SOLID PROPELLANT COMBUSTION performance test.
To achieve the above object, the invention provides a kind of hydraulic pressure dress suitable for underwater sound emission Burning rate testing system
Put, it includes pressure charging system and the voltage-stabilizing system being connected with the pressure charging system, it is characterised in that：
The pressure charging system includes pressurizing pack and is connected to the pressure charging system feedback component of the pressurizing pack, the increasing
Pressure system feedback component is used for the temperature, liquid level and pressure for detecting and feeding back the pressure charging system；The pressurizing pack includes one
The secondary fuel tank being connected by pipeline, plunger pump, the second check valve, force feed fine filter, the first proportional pressure-reducing valve, the second electromagnetism change
To valve, water pressurizer, stainless steel high-pressure water valve and combustion chamber, it is connected to the variable-frequency motor of the plunger pump and is connected to the water
The water tank of booster；The hydraulic cylinders of an isometrical, concentric, shared piston rod of the water pressurizer including two series connection, two
Hydraulic cylinder is respectively hydraulic oil inlet hydraulic cylinder and outlet hydraulic cylinder, and the hydraulic oil inlet hydraulic cylinder is that double acting loads hydraulic pressure
Cylinder, it is connected to second solenoid directional control valve；The outlet hydraulic cylinder is connected by a check valve with the water tank, its
Hydraulic cylinder is loaded for single-acting；The voltage-stabilizing system is used to stablize the pressure in the combustion chamber.
Further, the hydraulic oil inlet hydraulic cylinder realizes the work by the commutation of second solenoid directional control valve
The propulsion and recovery of stopper rod；The outlet hydraulic cylinder realizes that oil pressure is converted to hydraulic pressure based on the piston rod stress balance.
Further, the pressurizing pack also includes overflow valve, the first solenoid directional control valve, ball valve, cooler, first unidirectional
Valve and oil return fine filter, the oil return fine filter are arranged on the fuel tank；The cooler is connected after being connected with the ball valve
In the oil return fine filter, one end of first solenoid directional control valve is connected to the ball valve, and the other end is connected to described second
On pipeline between check valve and the plunger pump；The entrance of first check valve is connected to the ball valve and the described first electricity
Pipeline between magnetic reversal valve, it exports the pipeline being connected between the cooler and the oil return fine filter；The overflow
The both ends of valve are connected to the pipeline between the entrance and second check valve and the force feed fine filter of the ball valve.
Further, the pressure charging system feedback component include liquid level sensor, temperature sensor, the first pressure measuring tie-in and
First shatter-proof pressure gauge with back connection, the liquid level sensor and the temperature sensor, which are respectively separated, to be arranged on the fuel tank；Institute
The one end for stating the first pressure measuring tie-in is connected to pipeline between the plunger pump and second check valve, and the other end is connected to institute
State the first shatter-proof pressure gauge with back connection.
Further, the voltage-stabilizing system includes the first magnetic valve and is connected to the 3rd accumulation of energy of first magnetic valve
Device, first magnetic valve are connected to the fuel tank.
Further, the voltage-stabilizing system also includes being connected to the second solenoid valve of the fuel tank, is connected to described second
3rd magnetic valve of magnetic valve and the first accumulator for being connected to the 3rd magnetic valve.
Further, the voltage-stabilizing system also includes the 4th magnetic valve and is connected to the second of described 4th magnetic valve one end
Accumulator, the other end of the 4th magnetic valve are also respectively connected between the second solenoid valve and the 3rd magnetic valve
Pipeline between pipeline and first proportional pressure-reducing valve and second solenoid directional control valve.
Further, the voltage-stabilizing system is also connected to the water pressurizer and the stainless steel high-pressure water valve including one end
Between pipeline the 4th accumulator, be connected to the gas booster of the 4th accumulator other end and be connected to gas supercharging
The source nitrogen of device.
Further, the voltage-stabilizing system also includes being connected to the ecp ball valve of the 4th accumulator entrance, connected
It is connected to the gas control counterbalance valve of the ecp ball valve, connects the electric ratio of the ecp ball valve and the gas control counterbalance valve
The decompression table of pipeline between example valve and the connection source nitrogen and the ecp ball valve and the electric Proportion valve.
Further, the voltage-stabilizing system also includes the second proportional pressure-reducing valve and connection second proportional pressure-reducing valve and institute
The 4th solenoid directional control valve of gas booster is stated, second proportional pressure-reducing valve is connected to the force feed fine filter and the described first ratio
Pipeline between example pressure-reducing valve.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it is provided by the invention suitable
Hydraulic means for underwater sound emission Burning rate testing system mainly has the advantages that：
1. the hydraulic means is pressed oil by plunger pump to provide high pressure liquid, realize that ratio depressurizes by accumulator group
The stabilization of valve, pressure-reducing valve and solenoid directional control valve inlet pressure, the supercharging to combustion chamber is realized by water pressurizer, finally by
Accumulator carries out pressurize to the pressure in combustion chamber, so as to realize high-precision stable wet hyperbaric environment；
2. the cost of the hydraulic means is relatively low, versatility is stronger, and the solid propellant available for various models enters water-filling
Lower burn rate performance test, and available for most of occasions for needing wet hyperbaric environment；
3. the Quick-pressurizing to combustion chamber can be realized by the way of hydraulic booster, while by accumulator in combustion chamber
Pressure carry out pressurize, realize high-precision stable wet hyperbaric environment, and efficiency is higher.
Brief description of the drawings
Fig. 1 is the hydraulic means suitable for underwater sound emission Burning rate testing system that better embodiment of the present invention provides
Schematic diagram.
In all of the figs, identical reference is used for representing identical element or structure, wherein：21A- fuel tanks,
22A- air filters, 23A- variable-frequency motors, 24A- plunger pumps, 25A- electric heaters, 26A- fuel outlet valves, 27A- coolers, 28A- balls
Valve, the check valves of 29A- first, 21B- force feed fine filters, 22B- overflow valves, the solenoid directional control valves of 23B- first, 24B- second are unidirectional
Valve, the proportional pressure-reducing valves of 25B- first, 26B- pressure-reducing valves, the solenoid directional control valves of 27B- second, 28B- water pressurizers, 29B- stainless steels are high
Pressure water valve, 21C- oil return fine filters, 22C- draining valves, 23C- combustion chambers, the solenoid directional control valves of 24C- the 3rd, 25C- liquid level gauges,
26C- water tanks, 31A- liquid level sensors, 32A- temperature sensors, the pressure measuring tie-ins of 33A- first, the pressure measuring tie-ins of 34A- second, 35A-
3rd pressure measuring tie-in, the first shatter-proof pressure gauge with back connection of 36A-, the second shatter-proof pressure gauge with back connection of 37A-, 38A- the 3rd is shatter-proof axially to press
Power table, 39A- first pressure transmitters, 31B- second pressure transmitters, the pressure transmitters of 32B- the 3rd, the pressure of 33B- the 4th become
Send device, the pressure transmitters of 34B- the 5th, the magnetic valves of 41- first, 42- second solenoid valves, the magnetic valves of 43- the 3rd, the electromagnetism of 44- the 4th
Valve, the accumulators of 45- first, the accumulators of 46- second, the accumulators of 47- the 3rd, the proportional pressure-reducing valves of 51A- second, the electromagnetism of 52A- the 4th
Reversal valve, 53A- source nitrogens, 54A- gas boosters, the accumulators of 55A- the 4th, the check valves of 56A- the 3rd, 57A- accumulator inflators
Tool, 58A- ecp ball valves, 59A- decompression tables, 51B- electric Proportion valves, 52B- gas control counterbalance valves.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
Referring to Fig. 1, the hydraulic pressure suitable for underwater sound emission Burning rate testing system that better embodiment of the present invention provides
Device, the hydraulic means are pressed oil by plunger pump to provide high pressure liquid, and proportional pressure-reducing valve, decompression are realized by accumulator group
The stabilization of valve and solenoid directional control valve inlet pressure, the supercharging to combustion chamber is realized by water pressurizer, finally by accumulator
Pressurize is carried out to the pressure in combustion chamber, so as to realize high-precision stable wet hyperbaric environment.The hydraulic means is in solid
The pressure stability in combustion chamber will be kept in propellant burning property test process in ± 0.05MPa domains of walker, for surveying
Dechforination in combustion and the follow-up study solid propellant energy rate of release for trying solid propellant are significant.
The hydraulic means includes pressure charging system and voltage-stabilizing system, and the voltage-stabilizing system is connected with the pressure charging system.
The pressure charging system uses hydraulic booster mode, and the pressure charging system that it includes pressurizing pack and is connected with the pressurizing pack is anti-
Present component.
The pressurizing pack include fuel tank 21A, air filter 22A, variable-frequency motor 23A, plunger pump 24A, electric heater 25A,
Fuel outlet valve 26A, cooler 27A, ball valve 28A, the first check valve 29A, force feed fine filter 21B, overflow valve 22B, the first electromagnetism change
To valve 23B, the second check valve 24B, the first proportional pressure-reducing valve 25B, pressure-reducing valve 26B, the second solenoid directional control valve 27B, water pressurizer
28B, stainless steel high-pressure water valve 29B, oil return fine filter 21C, draining valve 22C, combustion chamber 23C, the 3rd solenoid directional control valve 24C, liquid
Position meter 25C and water tank 26C.
The fuel tank 21A is used to store hydraulic oil, and the fuel outlet valve 26A is arranged on the left side wall of the fuel tank 21A.Institute
State liquid level gauge 25C to be arranged on the fuel tank 21A, it is used for the liquid level for measuring the hydraulic oil in the fuel tank 21A.The air filter
Device 22A, the plunger pump 24A, the electric heater 25A and the oil return fine filter 21C are disposed on the fuel tank 21A
On, the variable-frequency motor 23A is connected to the plunger pump 24A, and it is used to drive the plunger pump 24A to rotate with voltage supply.This reality
Apply in mode, by the rotating speed of variable-frequency motor 23A described in Frequency Converter Control to adjust the output flow of the plunger pump 24A, make
It is adjustable to obtain flow system flow.
The entrance of the second check valve 24B and outlet are connected to the outlet of the plunger pump 24A and the force feed
Fine filter 21B entrance.The outlet of the first proportional pressure-reducing valve 25B connections force feed fine filter 21B and second electricity
Magnetic reversal valve 27B.In present embodiment, the second solenoid directional control valve 27B is three position four-way electromagnetic valve.
The water pressurizer 28B is in series by two hydraulic cylinders that are isometrical, concentric, sharing a piston rod, two liquid
Cylinder pressure is respectively hydraulic oil inlet hydraulic cylinder and outlet hydraulic cylinder, and the hydraulic oil inlet hydraulic cylinder is that double acting loads hydraulic pressure
Cylinder, it is connected to the second solenoid directional control valve 27B.The hydraulic oil inlet hydraulic cylinder passes through second solenoid directional control valve
27B's commutates to realize the propulsion of piston rod and recovery.The outlet hydraulic cylinder passes through a check valve and the water tank 26C phases
Connection, it is that single-acting loads hydraulic cylinder, realizes that oil pressure is converted to hydraulic pressure based on the piston rod stress balance.
The stainless steel high-pressure water valve 29B connections outlet hydraulic cylinder and the combustion chamber 23C, the draining valve 22C
It is arranged on the combustion chamber 23C.The outlet of the pressure-reducing valve 26B connections force feed fine filter 21B and the 3rd electromagnetism
Reversal valve 24C, the 3rd solenoid directional control valve 24C are connected to the stainless steel high-pressure water valve 29B.It is described in present embodiment
3rd solenoid directional control valve 24C can be by the Stress control in its exit in 10MPa.
The cooler 27A is connected to the oil return fine filter 21C, first electromagnetism after being connected with the ball valve 28A
Reversal valve 23B one end is connected to the ball valve 28A, and the other end is connected to the second check valve 24B and the plunger pump 24A
Between pipeline on.The entrance of the first check valve 29A is connected to the ball valve 28A and the first solenoid directional control valve 23B
Between pipeline, it, which is exported, is connected to pipeline between the cooler 27A and the oil return fine filter 21C.The overflow valve
22B both ends be connected to the ball valve 28A entrance and the second check valve 24B and force feed fine filter 21B it
Between pipeline.
The pressure charging system feedback component include liquid level sensor 31A, temperature sensor 32A, the first pressure measuring tie-in 33A,
Second pressure measuring tie-in 34A, the 3rd pressure measuring tie-in 35A, the first shatter-proof pressure gauge with back connection 36A, the second shatter-proof pressure gauge with back connection 37A,
3rd shatter-proof pressure gauge with back connection 38A, first pressure transmitter 39A, second pressure transmitter 31B, the 3rd pressure transmitter 32B,
4th pressure transmitter 33B and the 5th pressure transmitter 34B.The liquid level sensor 31A and temperature sensor 32A difference
It is disposed on the fuel tank 21A.One end of the first pressure measuring tie-in 33A is connected to the plunger pump 24A and described the
Pipeline between two check valve 24B, the other end are connected to the described first shatter-proof pressure gauge with back connection 36A.Second pressure measuring tie-in
34A one end is connected to the pipeline between the force feed fine filter 21B and the first proportional pressure-reducing valve 25B, other end connection
In the described second shatter-proof pressure gauge with back connection 37A.The first pressure transmitter 39A be arranged on the second pressure measuring tie-in 34A with
On pipeline between the force feed fine filter 21B.One end of the 3rd pressure measuring tie-in 35A is connected to the first ratio decompression
Pipeline between valve 25B and the second solenoid directional control valve 27B, the other end are connected to the described 3rd shatter-proof pressure gauge with back connection 38A.
The second pressure transmitter 31B is arranged on the pipe between the first proportional pressure-reducing valve 25B and the 3rd pressure measuring tie-in 35A
Lu Shang.The 3rd pressure transmitter 32B is arranged on the pipe between the stainless steel high-pressure water valve 29B and the outlet hydraulic cylinder
Lu Shang, the 5th pressure transmitter 34B are arranged on the pipe between the combustion chamber 23C and the stainless steel high-pressure water valve 29B
Lu Shang.The 4th pressure transmitter 33B is arranged at the voltage-stabilizing system.
The pressure of the hydraulic system of the hydraulic means drives the plunger pump 24A to provide by the variable-frequency motor 23A, institute
The pressure stated in the 23C of combustion chamber is provided by the water pressurizer 28B.The inlet pressure of the hydraulic oil inlet oil cylinder passes through described
First proportional pressure-reducing valve 25B is adjusted, and pressure control accuracy is more than 0.5%.The theoretical pressure ratio of the water pressurizer 28B
For 1, can be achieved accurately to control its output pressure by controller inlet pressure.The stainless steel high-pressure water valve 29B controls increase
The break-make on road is pushed back, the draining valve 22C is used to change the water in the combustion chamber 23C.Pass through the 5th pressure transmitter
Pressure described in 34B Real-time Feedbacks in the 23C of combustion chamber, and according to its pressure come micro- to the first proportional pressure-reducing valve 25B progress
Adjust to ensure that the pressure stability in the combustion chamber 23C is reliable.The overflow valve 22B is system oil pressure increase abnormal and
It can ensure system safety with safety overflow is realized during more than 30MPa.It can be made by the opening and closing of the first solenoid directional control valve 23B
System oil pressure is maintained in a rational scope of comparison.The force feed fine filter 21B and oil return fine filter 21C is pair
Hydraulic oil is filtered to ensure the clean of hydraulic oil.In addition, when systems stay keeps high-voltage operation, system oil temperature may
System oil temperature, can be reduced in the working range of hydraulic oil by rise by the cooler 27A.The pressure-reducing valve 26B is
Its back pressure is kept to control the break-make of the 3rd solenoid directional control valve 24C for 10MPa and then control the stainless steel high pressure
Water valve 29B's cut-offs, and the oil return fine filter 21C is used to the pollutant for producing or invading in system return to the fuel tank
Captured before 21A to ensure to flow back to that the hydraulic oil of the fuel tank 21A is clean, the draining valve is opened after the completion of experiment
22C with by the combustion chamber 23C liquid discharge.The liquid level gauge 25C is used to monitor hydraulic oil in the fuel tank 21A in real time
Liquid level, and the water tank 26C is to provide water source for the water pressurizer 28B.
The voltage-stabilizing system includes entrance stabipack and is connected to the outlet stabipack of the entrance stabipack.Institute
Stating entrance stabipack includes the first magnetic valve 41, second solenoid valve 42, the 3rd magnetic valve 43, the 4th magnetic valve 44, first storage
Can device 45, the second accumulator 46 and the 3rd accumulator 47.First magnetic valve 41 is connected to the fuel tank 21A, and the described 3rd
Accumulator 47 is connected to first magnetic valve 41.In present embodiment, the volume of the 3rd accumulator 47 is 6.3L, inflation
Pressure is 8MPa.Pipeline and the second pressure measuring tie-in 34A between first magnetic valve 41 and the 3rd accumulator 47
Pipeline between the first pressure transmitter 39A is connected.One end of the second solenoid valve 42 is connected to described first
Pipeline between magnetic valve 41 and the fuel tank 21A, the other end are connected to the 3rd magnetic valve 43.First accumulator 45
It is connected to the 3rd magnetic valve 43.In present embodiment, the volume of first accumulator 45 is 2.5L, and inflation pressure is
2.5MPa.One end of 4th magnetic valve 44 connects the pipeline between the 3rd magnetic valve 43 and the second solenoid valve 42
And the pipeline between the 3rd pressure measuring tie-in 35A and the second pressure transmitter 31B.
The outlet stabipack includes the second proportional pressure-reducing valve 51A, the 4th solenoid directional control valve 52A, source nitrogen 53A, gas
Booster 54A, the 4th accumulator 55A, the 3rd check valve 56A, accumulator inflatable tool 57A, ecp ball valve 58A, decompression
Table 59A, electric Proportion valve 51B and gas control counterbalance valve 52B.One end of the second proportional pressure-reducing valve 51A is connected to the decompression
Pipeline between valve 26B and the force feed fine filter 21B, the other end are connected to the 4th solenoid directional control valve 52A.Described 4th
Solenoid directional control valve 52A is connected to the middle part of the gas booster 54A.Four the 3rd check valve 56A are connected to two-by-two
The both ends of the gas booster 54A, and the 3rd check valve 56A outlet is connected to the gas booster described in two of which
54A both ends, outlet are all connected to the source nitrogen 53A；Two other the 3rd check valve 56A entrance is connected to
The both ends of the gas booster 54A, outlet are connected to the accumulator inflatable tool 57A after being connected.The accumulator fills
Gas instrument 57A is connected to the entrance of the 4th accumulator 55A, and the outlet of the 4th accumulator 55A is connected to the water and increased
Pipeline between depressor 28B and the 3rd pressure transmitter 32B.In present embodiment, the volume of the 4th accumulator 55A
For 10L.The ecp ball valve 58A be connected to the 4th pressure transmitter 33B and the accumulator inflatable tool 57A it
Between pipeline, the electric Proportion valve 51B connections ecp ball valve 58A and gas control counterbalance valve 52B.The gas control
Counterbalance valve 52B is connected to the ecp ball valve 58A, and gas is discharged by the gas control counterbalance valve 52B.The decompression table
59A one end is connected to the pipeline between the ecp ball valve 58A and the electric Proportion valve 51B, and the other end is connected to
The source nitrogen 53A.In present embodiment, the decompression table 59A can be exported nitrogen pressure control and arrive 0.8MPa.
The entrance stabipack main function is to stablize the first proportional pressure-reducing valve 25B, the pressure-reducing valve 26B, institute
State the second proportional pressure-reducing valve 51A and the second solenoid directional control valve 27B inlet pressure.When start-up operation, described in closing
First magnetic valve 41 and the second solenoid valve 42；Institute is opened when the pressure that the combustion chamber 23C needs is less than 8MPa
The 3rd magnetic valve 43 is stated, closes the 4th magnetic valve 44；Beaten when the pressure that the combustion chamber 23C needs is higher than 8MPa
The 4th magnetic valve 44 is driven, closes the 3rd magnetic valve 43.
The outlet stabipack main function is to stablize the pressure in the combustion chamber 23C.According to the combustion chamber 23C
Required pressure, sets the pressure of the second proportional pressure-reducing valve 51A, and opens the source nitrogen 53A and the 4th electromagnetism changes
To valve 52A, nitrogen is filled with into the 4th accumulator 55A by the gas booster 54A.As the 4th accumulator 55A
After interior pressure reaches requirement, the 4th solenoid directional control valve 52A is closed.In the pressurization of the combustion chamber 23C, work as institute
When stating pressure in the 23C of combustion chamber and exceeding the pressure in the 4th accumulator 55A, the 4th accumulator 55A start working with
Pressure stability increase in the combustion chamber 23C is kept, until reaching required pressure.Needed for pressure in the 23C of combustion chamber reaches
After pressure, the 4th accumulator 55A can keep the pressure in the combustion chamber 23C.When in the 4th accumulator 55A
, it is necessary to carry out pressure release processing to the 4th accumulator 55A when pressure is higher than the pressure needed for the combustion chamber 23C, specifically,
The ecp ball valve 58A is opened, and to described mono- setting pressure of electric Proportion valve 51B, passes through the electric Proportion valve
51B controls the opening and closing of the gas control counterbalance valve 52B, so as to reach the purpose that pressure release is carried out to the 4th accumulator 55A, lets out
The ecp ball valve 58A is closed after the completion of pressure.
Hydraulic means provided by the invention suitable for underwater sound emission Burning rate testing system, the hydraulic means pass through post
Plug pump is pressed oil to provide high pressure liquid, and proportional pressure-reducing valve, pressure-reducing valve and solenoid directional control valve inlet pressure are realized by accumulator group
Stabilization, the supercharging to combustion chamber is realized by water pressurizer, the pressure in combustion chamber protected finally by accumulator
Pressure, so as to realize high-precision stable wet hyperbaric environment.The hydraulic means is in SOLID PROPELLANT COMBUSTION performance test process
It is middle that the pressure in combustion chamber will be kept stable in ± 0.05MPa domains of walker, the combustibility for testing solid propellant
Parameter and follow-up study solid propellant energy rate of release are significant.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (10)
1. a kind of hydraulic means suitable for underwater sound emission Burning rate testing system, it includes pressure charging system and is pressurized system with described
The voltage-stabilizing system that system is connected, it is characterised in that：
The pressure charging system includes pressurizing pack and is connected to the pressure charging system feedback component of the pressurizing pack, the supercharging system
System feedback component is used for the temperature, liquid level and pressure for detecting and feeding back the pressure charging system；The pressurizing pack includes once leading to
Fuel tank that piping is connected, plunger pump, the second check valve, force feed fine filter, the first proportional pressure-reducing valve, the second electromagnetic switch
Valve, water pressurizer, stainless steel high-pressure water valve and combustion chamber, it is connected to the variable-frequency motor of the plunger pump and is connected to the water increasing
The water tank of depressor；The water pressurizer includes the hydraulic cylinder that is isometrical, concentric, sharing a piston rod of two series connection, two liquid
Cylinder pressure is respectively hydraulic oil inlet hydraulic cylinder and outlet hydraulic cylinder, and the hydraulic oil inlet hydraulic cylinder is that double acting loads hydraulic pressure
Cylinder, it is connected to second solenoid directional control valve；The outlet hydraulic cylinder is connected by a check valve with the water tank, its
Hydraulic cylinder is loaded for single-acting；The voltage-stabilizing system is used to stablize the pressure in the combustion chamber.
2. it is applied to the hydraulic means of underwater sound emission Burning rate testing system as claimed in claim 1, it is characterised in that：It is described
Hydraulic oil inlet hydraulic cylinder realizes the propulsion of the piston rod and recovery by the commutation of second solenoid directional control valve；It is described
Outlet hydraulic cylinder realizes that oil pressure is converted to hydraulic pressure based on the piston rod stress balance.
3. it is applied to the hydraulic means of underwater sound emission Burning rate testing system as claimed in claim 1, it is characterised in that：It is described
Pressurizing pack also includes overflow valve, the first solenoid directional control valve, ball valve, cooler, the first check valve and oil return fine filter, described time
Olein filter is arranged on the fuel tank；The cooler is connected to the oil return fine filter after being connected with the ball valve, described
One end of first solenoid directional control valve is connected to the ball valve, and the other end is connected between second check valve and the plunger pump
Pipeline on；The entrance of first check valve is connected to the pipeline between the ball valve and first solenoid directional control valve, its
Outlet is connected to the pipeline between the cooler and the oil return fine filter；The both ends of the overflow valve are connected to described
Pipeline between the entrance of ball valve and second check valve and the force feed fine filter.
4. the hydraulic means suitable for underwater sound emission Burning rate testing system as described in claim any one of 1-3, its feature
It is：The pressure charging system feedback component includes liquid level sensor, temperature sensor, the first pressure measuring tie-in and the first shatter-proof axial direction
Pressure gauge, the liquid level sensor and the temperature sensor, which are respectively separated, to be arranged on the fuel tank；First pressure measurement connects
One end of head is connected to the pipeline between the plunger pump and second check valve, and the other end is connected to the described first shatter-proof axle
To pressure gauge.
5. the hydraulic means suitable for underwater sound emission Burning rate testing system as described in claim any one of 1-3, its feature
It is：The voltage-stabilizing system includes the first magnetic valve and is connected to the 3rd accumulator of first magnetic valve, first electricity
Magnet valve is connected to the fuel tank.
6. it is applied to the hydraulic means of underwater sound emission Burning rate testing system as claimed in claim 5, it is characterised in that：It is described
Voltage-stabilizing system also includes second solenoid valve, the 3rd magnetic valve for being connected to the second solenoid valve and the company for being connected to the fuel tank
It is connected to the first accumulator of the 3rd magnetic valve.
7. it is applied to the hydraulic means of underwater sound emission Burning rate testing system as claimed in claim 6, it is characterised in that：It is described
Voltage-stabilizing system also includes the 4th magnetic valve and is connected to second accumulator of described 4th magnetic valve one end, the 4th magnetic valve
The other end be also respectively connected with pipeline between the second solenoid valve and the 3rd magnetic valve and first ratio subtracts
Pipeline between pressure valve and second solenoid directional control valve.
8. the hydraulic means suitable for underwater sound emission Burning rate testing system as described in claim any one of 1-3, its feature
It is：The voltage-stabilizing system also includes the pipeline that one end is connected between the water pressurizer and the stainless steel high-pressure water valve
4th accumulator, the gas booster for being connected to the 4th accumulator other end and the source nitrogen for being connected to the gas booster.
9. it is applied to the hydraulic means of underwater sound emission Burning rate testing system as claimed in claim 8, it is characterised in that：It is described
Voltage-stabilizing system also includes being connected to the ecp ball valve of the 4th accumulator entrance, is connected to the ecp ball valve
Gas control counterbalance valve, the electric Proportion valve for connecting the ecp ball valve and the gas control counterbalance valve and the connection source nitrogen and
The decompression table of pipeline between the ecp ball valve and the electric Proportion valve.
10. it is applied to the hydraulic means of underwater sound emission Burning rate testing system as claimed in claim 9, it is characterised in that：Institute
State the 4th electricity that voltage-stabilizing system also includes the second proportional pressure-reducing valve and connects second proportional pressure-reducing valve and the gas booster
Magnetic reversal valve, second proportional pressure-reducing valve are connected to the pipe between the force feed fine filter and first proportional pressure-reducing valve
Road.
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| CN201710735918.4A CN107387499B (en) | 2017-08-24 | 2017-08-24 | A kind of hydraulic device suitable for underwater sound emission Burning rate testing system |
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| CN201710735918.4A CN107387499B (en) | 2017-08-24 | 2017-08-24 | A kind of hydraulic device suitable for underwater sound emission Burning rate testing system |
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| CN107387499B CN107387499B (en) | 2018-11-30 |
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| CN107906069A (en) * | 2017-12-12 | 2018-04-13 | 南京钢铁股份有限公司 | Circumference combines high-quality special steel new small billet withdrawal straightening machine hydraulic valve platform and control method |
| CN113339335A (en) * | 2021-06-16 | 2021-09-03 | 海南浙江大学研究院 | Servo actuating system that pressure boost was launched |
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| CN107387499B (en) | 2018-11-30 |
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