CN219243349U - Rocket kerosene box ground power system test run pressure increasing and supplementing system - Google Patents
Rocket kerosene box ground power system test run pressure increasing and supplementing system Download PDFInfo
- Publication number
- CN219243349U CN219243349U CN202223597949.3U CN202223597949U CN219243349U CN 219243349 U CN219243349 U CN 219243349U CN 202223597949 U CN202223597949 U CN 202223597949U CN 219243349 U CN219243349 U CN 219243349U
- Authority
- CN
- China
- Prior art keywords
- pressure
- path
- kerosene
- pressurizing
- supplementing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a rocket kerosene tank ground power system test supplementary pressure system, which comprises a main way and a ground helium gas source, wherein the main way is provided with a ground helium gas source; one end of the pressurizing path is communicated with the main path, and the other end of the pressurizing path is communicated with the kerosene box; the pressure supplementing path is connected in parallel with the pressurizing path, one end of the pressure supplementing path is communicated with the main path, and the other end of the pressure supplementing path is communicated with the kerosene box; one end of the feedback path is communicated with the kerosene box, and the other end of the feedback path is respectively connected with the pressurizing path and the pressure supplementing path; one end of the decompression path is communicated with the main path, and the other end of the decompression path is communicated with the kerosene tank; the feedback circuit detects the pressure of the kerosene box in real time, and the pressure supplementing circuit supplements pressure when the pressurizing circuit fails. The system solves the technical problems of poor redundancy, poor reliability and certain risk of the test run pressure increasing and supplementing system of the kerosene box power system, has the advantages of increasing the redundancy of the pressure increasing and supplementing system, improving the reliability of the pressure increasing and supplementing system, having simple structure, detecting and feeding back and adjusting the pressure of the kerosene box in real time, and realizing accurate regulation and control of the pressure of the kerosene box.
Description
Technical Field
The utility model relates to the technical field of mechanical manufacturing and supplementary pressure systems, in particular to a test run supplementary pressure system of a ground power system of a rocket kerosene box.
Background
The liquid oxygen kerosene power system has the advantages of high density ratio, no toxicity, environmental protection, low use cost and the like, is widely applied to carrier rockets and space vehicles, and is an ideal choice of the main power of the carrier rockets. The liquid oxygen kerosene rocket power system test is one of large-scale ground tests marked in the initial sample stage of the rocket, and can fully check the correctness of the overall design scheme of the power system and the coordination of interfaces of all systems on the rocket and the ground; and various key technologies such as supercharging performance, conveying characteristic, power system matching performance and the like. The existing kerosene box power system test run pressure increasing and supplementing system is complex, the types and the number of components are more, the development difficulty of the test system is increased, and the development and production cost of the test system is also increased.
In the process of realizing the utility model, the prior art is found to have at least the following problems: the redundancy of the test run pressure increasing and supplementing system of the fuel tank power system is poor, the reliability is poor, and the risk is certain.
Disclosure of Invention
In view of the above, the embodiment of the utility model aims to provide a test run pressure increasing and supplementing system of a ground power system of a rocket kerosene box, so as to solve the technical problems of poor redundancy, poor reliability and certain risk of the test run pressure increasing and supplementing system of the power system of the kerosene box.
In order to achieve the above purpose, the embodiment of the utility model provides a rocket kerosene box ground power system test supplementary pressure system, which comprises:
the main way is provided with a ground helium source;
one end of the pressurizing path is communicated with the main path, and the other end of the pressurizing path is communicated with the kerosene box;
the pressure supplementing path is connected with the pressurizing path in parallel, one end of the pressure supplementing path is communicated with the main path, and the other end of the pressure supplementing path is communicated with the kerosene box;
one end of the feedback path is communicated with the kerosene tank, and the other end of the feedback path is respectively connected with the pressurizing path and the pressure compensating path; and
one end of the pressure reducing path is communicated with the main path, and the other end of the pressure reducing path is communicated with the kerosene tank;
the feedback path is used for detecting the pressure of the kerosene tank in real time, and the pressure supplementing path supplements pressure when the pressurizing path fails.
Preferably, the main path includes:
a ground helium source;
a first filter having one end in communication with the ground helium source;
and the first pressure reducing valve is communicated with the other end of the first filter.
Preferably, the pressurization path includes:
the first pressurizing branch circuit is provided with a main circuit pressurizing electromagnetic valve and a first pressurizing pore plate;
the second pressurizing branch is connected with the first pressurizing branch in parallel and is provided with an auxiliary pressurizing electromagnetic valve and a second pressurizing pore plate;
the third pressurizing branch is connected with the second pressurizing branch in parallel and is provided with a path-keeping pressurizing electromagnetic valve and a third pressurizing pore plate;
and the second filter is arranged on the pressurizing path close to the main path.
The ground helium source pressurizes the kerosene box through the first filter, the first pressure reducing valve, the four-way valve, the helium flowmeter, the helium bottle, the second filter, the three-way pressurizing electromagnetic valve, the first orifice plate and the kerosene box energy dissipater. The pressure of the gas cylinder is stabilized and maintained at 23+/-1 MPa through a first pressure reducing valve. The pressure reducer is added in front of the normal-temperature helium cylinder to stabilize the pressure of the cylinder, and the pressure control band of the pressurizing electromagnetic valve is changed, so that the pressure requirement of the gas pillow of the test run of the kerosene box power system can be met only by using the three pressurizing electromagnetic valves and the first orifice plate hardware in the flying state.
Preferably, the pressure compensating path includes:
the first pressure supplementing branch is provided with a first auxiliary pressure supplementing electromagnetic valve and a first pressure supplementing pore plate;
the second pressure supplementing branch is connected with the first pressure supplementing branch and is provided with a second auxiliary pressure supplementing electromagnetic valve and a second pressure supplementing pore plate;
the third filter is arranged on the pressure supplementing path close to the main path;
the kerosene tank inflation switch is arranged on a pressure supplementing path close to the kerosene tank.
The ground helium source pressurizes the kerosene box through a first filter, a first pressure reducing valve, a four-way joint, a helium flowmeter, a filter, two paths of pressure supplementing electromagnetic valves, a second pore plate, a manual gas charging switch of the kerosene box and an energy dissipater of the kerosene box, and the pressure supplementing path gas source is stably maintained at 23+/-1 MPa through the first pressure reducing valve.
The tee joint is added on the normal temperature pressurizing pipeline of kerosene helium and is connected with the manual gas-filling switch of the kerosene tank, the kerosene tank is inflated through the manual gas-filling switch of the kerosene tank during the total assembly test and transportation, the ground pressurizing pipeline is connected through the manual gas-filling switch of the kerosene tank during the ground test, the manual gas-filling switch of the kerosene tank is closed before a rocket launching field enters a launching zone, and the plug is arranged at the interface of the connecting pipe to prevent the gas leakage of the kerosene tank.
Preferably, the pressure reducing path is provided with a second pressure reducing valve, a kerosene tank vent valve and a vent valve control electromagnetic valve, the second pressure reducing valve is arranged at one end of the pressure reducing path close to the main path, the kerosene tank vent valve is arranged on the kerosene tank, and the vent valve control electromagnetic valve is arranged on the pressure reducing path between the kerosene tank vent valve and the vent valve control electromagnetic valve. The ground air source supplies control air to the vent valve of the kerosene box through a ground filter, a pressure reducing valve, a four-way valve, a pressure reducing valve and a vent valve control electromagnetic valve, so that the vent valve of the kerosene box is opened for venting, and pressure is reduced.
Preferably, the feedback path includes:
the kerosene box pressure sensor is connected with one end of the kerosene box;
and one end of the kerosene tank pressurizing controller is connected with the kerosene tank pressure sensor, and the other end of the kerosene tank pressurizing controller is respectively connected with the auxiliary road pressurizing electromagnetic valve of the pressurizing road and the pressurizing electromagnetic valve of the standby protecting road and is also respectively connected with the first auxiliary road pressurizing electromagnetic valve and the second auxiliary road pressurizing electromagnetic valve of the pressurizing road. In the test process of the power system, the pressure sensor of the kerosene box senses the pressure of the gas pillow of the kerosene box, and the pressurizing controller of the kerosene box controls the two pressurizing electromagnetic valves and the two pressure supplementing electromagnetic valves to be opened and closed, so that the accurate control of the pressure of the gas pillow of the kerosene box is realized.
Preferably, the pressurizing path is connected with a normal-temperature helium bottle, the main path is respectively communicated with the depressurizing path, the pressurizing path and the pressure supplementing path through a four-way, and the four-way is also connected with a temperature sensor. The temperature sensor is used for recording the gas temperature at the time of pressurizing and pressurizing gas, and a data basis is provided for checking a kerosene box pressurizing calculation model after test.
Preferably, a helium flowmeter is arranged between the four-way valve and the communication position of the pressurizing path and the pressure supplementing path. And the flow of the supplementary gas is recorded by the helium flowmeter, so that a data basis is provided for checking the kerosene box pressurization calculation model after test run.
Preferably, the kerosene tank is provided with a kerosene tank safety valve and a kerosene tank energy dissipater, and the kerosene tank energy dissipater is communicated with the pressurizing path and the pressure supplementing path. In the test run process of the power system, when the air pillow pressure of the kerosene box is higher than the opening pressure of the kerosene safety valve, the kerosene safety valve is opened, and when the air pillow pressure is lower than the closing pressure of the kerosene safety valve, the kerosene safety valve is closed.
Preferably, the first kerosene conveying pipe, the second kerosene conveying pipe and the third kerosene conveying pipe are arranged on the kerosene tank, the first kerosene conveying pipe is connected with a first engine, the second kerosene conveying pipe is connected with a second engine, and the third kerosene conveying pipe is connected with a third engine. Kerosene in the kerosene tank is respectively conveyed to the inlets of the kerosene pumps of the engines through the kerosene conveying pipes.
The technical scheme has the following beneficial effects:
(1) Through setting up the pressure boost way, the pressure compensating way that connects in parallel with it and the feedback way of real-time detection feedback, increased two ways pressure compensating way solenoid valve and second orifice plate on the basis of kerosene case three routes pressure boost solenoid valve and first orifice plate promptly, when three routes pressure boost solenoid valve breaks down, two ways pressure compensating way solenoid valve participated in the work, can satisfy the gas pillow pressure demand of kerosene case, increased the redundancy of test run pressure increasing system, also improved kerosene case driving system test run pressure increasing system reliability.
(2) In the test process of the power system, the pressure sensor of the kerosene box senses the pressure of the gas pillow of the kerosene box, and the pressurization controller of the kerosene box controls the two pressurization electromagnetic valves and the two pressure supplementing electromagnetic valves to be opened and closed, and the two pressurization electromagnetic valves and the two pressure supplementing electromagnetic valves are matched with the pressurization path and the pressure supplementing path to realize the accurate control of the pressure of the gas pillow of the kerosene box.
(3) The system is simple and reliable, has fewer types of parts, shortens the development and processing period of the system, and reduces the production cost.
(4) And a helium flowmeter and a temperature sensor are added at the air source to measure the flow and the temperature of the supplementary pressure helium at the moment, so that experimental data is provided for the calculation of the boost after test run.
(5) The tee joint is added on the normal temperature pressurizing pipeline of kerosene helium and is connected with the manual gas-filling switch of the kerosene tank, the kerosene tank is inflated through the manual gas-filling switch of the kerosene tank during the total assembly test and transportation, the ground pressurizing pipeline is connected through the manual gas-filling switch of the kerosene tank during the ground test, the manual gas-filling switch of the kerosene tank is closed before a rocket launching field enters a launching zone, and the plug is arranged at the interface of the connecting pipe to prevent the gas leakage of the kerosene tank.
(6) The pressure reducer is added in front of the helium bottle to stabilize the pressure of the gas bottle, and the pressure control belt of the pressurizing electromagnetic valve is changed, so that the pressure requirement of the gas pillow of the kerosene box power system test can be met only by using the three pressurizing electromagnetic valves and the first orifice plate hardware in the flying state.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic system configuration of a rocket fuel tank ground power system test supplemental pressure system according to the present utility model;
fig. 2 shows a pressure and pressure control zone distribution diagram of the rocket fuel tank ground power system test run pressure increasing and supplementing system in fig. 1.
Wherein the above figures include the following reference numerals:
1. a coal oil tank; 2. a first kerosene delivery pipe; 3. a second kerosene delivery pipe; 4. a third kerosene carrying pipe; 5. a first engine; 6. a second engine; 7. a third engine; 8. a ground helium source; 9. a first filter; 10. a first pressure reducing valve; 11. a four-way joint; 12. a temperature sensor; 13. a helium flow meter; 14. a normal temperature helium bottle; 15. a second filter; 16. a main-way pressurizing electromagnetic valve; 17. an auxiliary road pressurizing electromagnetic valve; 18. a way-protecting pressurizing electromagnetic valve is prepared; 19a, a first pressurizing aperture plate; 19b, a second pressurizing aperture plate; 19c, a third pressurizing aperture plate; 20. an energy dissipater of the coal oil tank; 21. a kerosene tank pressure sensor; 22. a coal oil tank pressurizing controller; 23. a third filter; 24. the first auxiliary way pressure supplementing electromagnetic valve; 25. the second auxiliary circuit pressure supplementing electromagnetic valve; 26a, a first pressure compensating orifice plate; 26b, a second pressure compensating orifice plate; 27. an inflation switch of the coal oil tank; 28. a safety valve of the coal oil tank; 29. a kerosene box exhaust valve; 30. a second pressure reducing valve; 31. the exhaust valve controls the electromagnetic valve; 32. a boost auxiliary road control pressure belt; 33. pressurizing for preparing a road-protecting pressure-controlling belt; 34. the first pressure supplementing auxiliary road control pressure belt; 35. the second pressure supplementing auxiliary road control pressure belt.
Detailed Description
Features and exemplary embodiments of various aspects of the utility model are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the utility model by showing examples of the utility model. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order not to unnecessarily obscure the present utility model; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1 to 2, an embodiment of the present utility model provides a ground power system test supplementary pressure system of a rocket fuel tank 1, which includes:
a main path with a ground helium source 8; one end of the pressurizing path is communicated with the main path, and the other end of the pressurizing path is communicated with the kerosene box 1; the pressure supplementing path is connected in parallel with the pressurizing path, one end of the pressure supplementing path is communicated with the main path, and the other end of the pressure supplementing path is communicated with the kerosene box 1; one end of the feedback path is communicated with the kerosene box 1, and the other end of the feedback path is respectively connected with the pressurizing path and the pressure supplementing path; one end of the decompression path is communicated with the main path, and the other end of the decompression path is communicated with the kerosene tank 1; the feedback circuit detects the pressure of the coal oil tank 1 in real time, and when the pressurizing circuit fails, the pressure supplementing circuit supplements pressure.
In this embodiment, the main way is provided with a ground helium source 8, wherein the main way mainly serves to provide a gas source, the main way comprises the ground helium source 8, the ground helium source 8 provides helium for the pressurizing way and the pressure supplementing way, the main way further comprises a first filter 9, one end of the main way is communicated with the ground helium source 8, the first filter 9 is mainly used for filtering helium provided by the ground helium source 8, the main way is further provided with a first pressure reducing valve 10, the first pressure reducing valve 10 is communicated with the other end of the first filter 9, and the purpose of the first pressure reducing valve 10 is to reduce and regulate the pressure of the ground helium source 8.
In this embodiment, one end of the pressurizing path is communicated with the main path, and the other end is communicated with the kerosene box 1 for pressurizing the kerosene box 1. The pressurization path includes: a first pressurizing branch having a main-path pressurizing solenoid valve 16 and a first pressurizing orifice plate 19a; the second supercharging branch is connected in parallel with the first supercharging branch and is provided with an auxiliary supercharging electromagnetic valve 17 and a second supercharging orifice plate 19b; the third pressurizing branch is connected in parallel with the second pressurizing branch and is provided with a standby pressurizing electromagnetic valve 18 and a third pressurizing pore plate 19c.
Through setting up three routes pressure boost way, when first pressure boost branch road breaks down, the second pressure boost branch road can carry out timely replenishment, and when the second pressure boost branch road breaks down, the third pressure boost branch road can carry out timely replenishment, has improved pressure boost way's reliability through the setting up of three routes pressure boost branch road.
When the kerosene pressure sensor detects that the kerosene pressure is insufficient, the kerosene pressurizing controller can control the main-path pressurizing electromagnetic valve 16, the auxiliary-path pressurizing electromagnetic valve 17, the standby-path pressurizing electromagnetic valve 18, the first auxiliary-path pressurizing electromagnetic valve 24 and the second auxiliary-path pressurizing electromagnetic valve 25 to carry out five-path pressurizing. The pressurization paths and the pressure supplementing paths are arranged separately, so that the problem that the trunk paths before and after the branches are problematic is avoided to influence pressurization, the reliability of pressurization emergency treatment is further improved, in addition, the pressure of the gas cylinder is stabilized by adding the pressure reducer before the normal-temperature helium gas cylinder 14, and the pressure control belt of the pressurization solenoid valve is changed, so that the pressure requirement of the gas pillow of the test of the power system of the coal tank 1 can be met by only using the three pressurization solenoid valves in the flying state and the hardware of the first pressurization orifice plate 19a, the second pressurization orifice plate 19b and the third pressurization orifice plate 19c, and the reliability of pressurization is further improved.
The second filter 15 is disposed between a position near the main passage where the first, second, and third supercharging branches intersect and a position near the main passage where the supercharging and pressure supplementing passages intersect. The second filter 15 is used for filtering helium entering a pressurizing path, the pressurizing path is connected with a normal-temperature helium bottle 14, the main path is communicated with a decompression path, a pressurizing path and a pressure supplementing path through a four-way 11, and the four-way 11 is also connected with a temperature sensor 12. A helium flowmeter 13 is arranged between the four-way valve 11 and the communication position of the pressurizing path and the pressure supplementing path. The flow of the pressure-increasing gas is recorded by the helium flowmeter 13, the gas temperature of the pressure-increasing gas is recorded by the temperature sensor 12, and a data basis is provided for checking the pressure-increasing calculation model of the coal oil tank 1 after test run. The ground helium gas source 8 pressurizes the coal oil tank 1 through the first filter 9, the first pressure reducing valve 10, the four-way valve 11, the helium flowmeter 13, the ground helium gas source 8, the second filter 15, the main way pressurizing electromagnetic valve 16, the auxiliary way pressurizing electromagnetic valve 17, the standby way pressurizing electromagnetic valve 18, the first pressurizing orifice plate 19a, the second pressurizing orifice plate 19b, the third pressurizing orifice plate 19c and the kerosene tank energy absorber 20, and the pressure of the gas cylinder is stabilized to be 23+/-1 MPa through the first pressure reducing valve 10.
In this embodiment, the pressure compensating way is connected in parallel with the pressurizing way, and when the problem occurs in the pressurizing three branches, the reliability of pressurizing can be further ensured, and one end of the pressure compensating way is communicated with the main way, and the other end is communicated with the kerosene box 1. The pressure compensating path comprises: a first pressure compensating branch having a first auxiliary pressure compensating solenoid valve 24 and a first pressure compensating orifice plate 26a; the second pressure compensating branch is connected with the first pressure compensating branch and is provided with a second auxiliary pressure compensating electromagnetic valve 25 and a second pressure compensating pore plate 26b, wherein the pressure compensating branch is arranged as a double branch, and the reliability of pressurization is ensured.
And a third filter 23 disposed between a position near the main path where the first pressure supplementing branch and the second pressure supplementing branch intersect and a position near the main path where the pressurizing path and the pressure supplementing path intersect, for filtering helium gas entering the pressure supplementing path. The kerosene tank charging switch 27 is provided between a position near the kerosene tank 1 where the first pressure supplementing branch and the second pressure supplementing branch intersect and a position near the kerosene tank 1 where the pressurizing path and the pressure supplementing path intersect. The ground helium gas source 8 pressurizes the coal oil tank 1 through the first filter 9, the first pressure reducing valve 10, the four-way valve 11, the helium flowmeter 13, the second filter 15, the first auxiliary way pressure supplementing electromagnetic valve 24, the second auxiliary way pressure supplementing electromagnetic valve 25, the first pressure supplementing pore plate 26a, the second pressure supplementing pore plate 26b, the manual inflation switch of the coal oil tank 1 and the kerosene tank energy absorber 20, and the stable pressure supplementing way gas source is maintained at 23+/-1 MPa through the first pressure reducing valve 10. The tee joint is added on the kerosene helium normal temperature pressurization pipeline and is connected with the gas-filling manual switch of the kerosene tank 1, the gas-filling manual switch of the kerosene tank 1 is used for filling gas into the kerosene tank 1 during assembly general test and transportation, the gas-filling manual switch of the kerosene tank 1 is connected with the ground pressure supplementing pipeline during ground test, the gas-filling manual switch of the kerosene tank 1 is closed before a rocket launching field enters a launching zone, and a plug is arranged at a filler neck interface to prevent gas leakage of the kerosene tank 1. In this way the number of mechanical interfaces of the booster transport system with the fuel tank 1 is reduced. Two pressure supplementing solenoid valves and a first pressure supplementing orifice plate 26a and a second pressure supplementing orifice plate 26b are added on the basis of the three-way pressure boosting solenoid valve and the first pressure boosting orifice plate 19a, the second pressure boosting orifice plate 19b and the third pressure boosting orifice plate 19c of the kerosene box 1, when the three-way pressure boosting solenoid valve breaks down, the two pressure supplementing solenoid valves participate in working, the air pillow pressure requirement of the kerosene box 1 can be met even if the two pressure boosting (or pressure supplementing) solenoid valves break down simultaneously, the redundancy of a test run pressure boosting system is increased, and the reliability of the test run pressure supplementing system of the power system of the kerosene box 1 is also improved.
FIG. 2 shows the distribution diagram of the pressure and pressure control zones of the present utility model. Wherein P is min Is the minimum air pillow pressure required by the engine, P 1 Is the opening threshold value P of the second auxiliary way pressure supplementing electromagnetic valve 25 2 Is the opening threshold value of the first auxiliary line pressure supplementing electromagnetic valve 24, P 3 Is the closing threshold value P of the second auxiliary circuit pressure supplementing electromagnetic valve 25 4 Is the closing threshold value of the first auxiliary way pressure supplementing electromagnetic valve 24, P 5 Is the opening threshold value of the road-protection pressurizing electromagnetic valve, P 6 Is the opening threshold value of the auxiliary way booster solenoid valve 17, P 7 Is the closing threshold value of the standby path supercharging solenoid valve 18, P 8 Is the closing threshold value of the auxiliary road booster solenoid valve 17, P max Is the relief valve opening pressure, the boost assist road control pressure band 32; a pressurizing backup pressure control belt 33; a first supplemental pressure assist circuit control pressure band 34; the second pressure supplementing auxiliary road control pressure belt 35. When the kerosene tank pressure sensor 21 detects that the kerosene reaches the corresponding threshold value, the corresponding electromagnetic valve is opened or closed, a pressure reducer is added in front of the normal-temperature helium cylinder 14 to stabilize the pressure of the cylinder, and the pressure control belt of the pressurizing electromagnetic valve is changed, so that only three pressurizing electromagnetic valves in a flying state and the hardware of the first pressurizing orifice plate 19a, the second pressurizing orifice plate 19b and the third pressurizing orifice plate 19c can be used for realizing the air pillow pressure requirement of the test of the power system of the coal oil tank 1.
In this embodiment, the decompression way, one end and main way intercommunication still can set up exhaust control solenoid valve and kerosene case boost controller 22 and link to each other for cooperate to realize the accurate regulation and control of kerosene case 1 internal pressure for a whole with boost way, pressure compensating way and feedback way, step down through the decompression way when pressure is greater than the threshold value, carry out the pressure boost through boost way or pressure compensating way when pressure is less than the threshold value, and then realize the accurate regulation and control of kerosene case 1 pressure, the decompression way other end communicates with kerosene case 1. The relief path has a second relief valve 30, a kerosene tank vent valve 29 and a vent valve control solenoid valve 31, the second relief valve 30 being provided at one end of the relief path near the main path, the kerosene tank vent valve 29 being provided on the kerosene tank 1, the vent valve control solenoid valve 31 being provided on the relief path between the kerosene tank vent valve 29 and the vent valve control solenoid valve 31. The ground air source supplies control air to the kerosene box exhaust valve 29 through the ground filter, the first pressure reducing valve 10, the four-way valve 11, the pressure reducing valve and the exhaust valve control electromagnetic valve 31, so that the kerosene exhaust valve is opened for exhaust.
In this embodiment, one end of the feedback path is communicated with the kerosene tank 1, and the other end is respectively connected with the pressurizing path and the pressure compensating path. The feedback path detects the pressure of the coal oil tank 1 in real time, and when the pressurizing path fails, the pressure supplementing path supplements pressure. The feedback path includes: a kerosene box pressure sensor 21, one end of which is connected with the kerosene box 1; the kerosene tank pressurizing controller 22 has one end connected to the kerosene tank pressure sensor 21 and the other end connected to the auxiliary road pressurizing solenoid valve 17 and the auxiliary road pressurizing solenoid valve with protecting road, and connected to the first auxiliary road pressurizing solenoid valve 24 and the second auxiliary road pressurizing solenoid valve 25. In the test process of the power system, the pressure sensor 21 of the kerosene box senses the pressure of the air pillow of the kerosene box 1, the pressurizing electromagnetic valves on the two paths and the pressure supplementing electromagnetic valves on the two paths are controlled by the pressurizing controller 22 of the kerosene box, so that the accurate control of the pressure of the air pillow of the kerosene box 1 is realized, or the pressurizing electromagnetic valves on the two paths and the pressure supplementing electromagnetic valves on the two paths are controlled by the pressurizing controller 22 of the kerosene box, and the opening and the closing of the air control electromagnetic valves are controlled, so that the accurate regulation and control of the pressure of the air pillow of the kerosene box 1 are realized.
In the embodiment, a coal oil tank safety valve 28 and a kerosene tank energy absorber 20 are arranged on the coal oil tank 1, when the air cushion pressure of the coal oil tank 1 is higher than the opening pressure of the kerosene safety valve and the kerosene safety valve is opened, when the air cushion pressure is lower than the closing pressure of the kerosene safety valve, the kerosene safety valve is closed, and the kerosene tank energy absorber 20 is communicated with a pressurizing path and a pressure supplementing path in the test process of the power system. The kerosene tank 1 is provided with a first kerosene conveying pipe 2, a second kerosene conveying pipe 3 and a third kerosene conveying pipe 4, the first kerosene conveying pipe 2 is connected with a first engine 5, the second kerosene conveying pipe 3 is connected with a second engine 6, and the third kerosene conveying pipe 4 is connected with a third engine 7. Kerosene in the kerosene tank 1 is respectively delivered to the inlets of the kerosene pumps of the respective engines through the respective kerosene delivery pipes, wherein the number of the kerosene delivery pipes and the engines is not limited to three.
The utility model is simple and reliable, the types of parts are few, the pressure control belt of the pressurizing electromagnetic valve is changed by stabilizing the pressure of the gas cylinder, the pressurizing electromagnetic valve and the hardware of the first pressurizing orifice plate 19a, the second pressurizing orifice plate 19b and the third pressurizing orifice plate 19c in the flying state can meet the pressure requirement of the gas pillow of the coal tank 1, two paths of pressure supplementing electromagnetic valves and the first pressure supplementing orifice plate 26a and the second pressure supplementing orifice plate 26b are added, the pressure requirement of the gas pillow of the coal tank 1 can be met when any two paths of electromagnetic valves fail, the redundancy of the pressure supplementing system is increased, and the reliability of the pressure supplementing system is improved. Meanwhile, the simple system and fewer component types not only reduce the development difficulty of the test system, but also reduce the production cost of the test system.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
by arranging the pressurizing paths, the pressurizing paths in parallel connection with the pressurizing paths and the feedback paths for real-time detection feedback, namely, two pressurizing path electromagnetic valves, a first pressurizing pore plate 26a and a second pressurizing pore plate 26b are added on the basis of the three pressurizing electromagnetic valves of the kerosene box 1, a first pressurizing pore plate 19a, a second pressurizing pore plate 19b and a third pressurizing pore plate 19c, when the three pressurizing electromagnetic valves fail, the two pressurizing path electromagnetic valves participate in working, so that the air pillow pressure requirement of the kerosene box 1 can be met, the redundancy of a test run pressurizing system is increased, and the reliability of the test run pressurizing system of the power system of the kerosene box 1 is also improved.
In the test process of the power system, the pressure sensor 21 of the kerosene box senses the pressure of the air pillow of the kerosene box 1, and the pressurizing controller 22 of the kerosene box controls the two pressurizing electromagnetic valves and the two pressure supplementing electromagnetic valves to be opened and closed, so that the accurate control of the pressure of the air pillow of the kerosene box 1 is realized.
The system is simple and reliable, has fewer types of parts, shortens the development and processing period of the system, and reduces the production cost. And a helium flowmeter 13 and a temperature sensor 12 are added at the air source to measure the supplementary helium flow and the temperature at the moment, so that experimental data is provided for the calculation of the boost after test run.
The tee joint is added on the kerosene helium normal temperature pressurizing pipeline and is connected with the gas-filling manual switch of the kerosene tank 1, the gas-filling manual switch of the kerosene tank 1 is used for filling gas into the kerosene tank 1 during the assembly and transportation, the gas-filling manual switch of the kerosene tank 1 is connected with the ground pressure supplementing pipeline during the ground test, the gas-filling manual switch of the kerosene tank 1 is closed before a rocket launching field enters a launching zone, and the plug is arranged at the interface of the filler neck to prevent gas leakage of the kerosene tank 1.
The pressure reducer is added in front of the helium bottle to stabilize the pressure of the gas bottle, and the pressure control belt of the pressurizing electromagnetic valve is changed, so that the pressure requirement of the gas pillow of the test of the power system of the coal tank 1 can be met by only using three pressurizing electromagnetic valves and the hardware of the first pressurizing pore plate 19a, the second pressurizing pore plate 19b and the third pressurizing pore plate 19c in the flying state.
In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by "upper, lower, inner and outer", etc. in terms are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" should be construed broadly in this disclosure unless otherwise specifically indicated and defined, such as: can be fixed connection, detachable connection or integral connection; it may also be a mechanical connection, an electrical connection, or a direct connection, or may be indirectly connected through an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. The utility model provides a rocket kerosene case ground driving system test supplementary pressure system which characterized in that includes:
a main path having a ground helium source (8);
one end of the pressurizing path is communicated with the main path, and the other end of the pressurizing path is communicated with the kerosene box (1);
the pressure supplementing path is connected with the pressurizing path in parallel, one end of the pressure supplementing path is communicated with the main path, and the other end of the pressure supplementing path is communicated with the kerosene box (1);
one end of the feedback path is communicated with the kerosene box (1), and the other end of the feedback path is respectively connected with the pressurizing path and the pressure compensating path; and
one end of the pressure reducing path is communicated with the main path, and the other end of the pressure reducing path is communicated with the kerosene box (1);
the feedback path is used for detecting the pressure of the kerosene tank (1) in real time, and when the pressurizing path fails, the pressure supplementing path supplements pressure.
2. The rocket kerosene tank ground power system test supplemental pressure system of claim 1 wherein said main path comprises:
a ground helium source (8);
a first filter (9), one end of the first filter (9) is communicated with the ground helium source (8);
a first pressure reducing valve (10), wherein the first pressure reducing valve (10) is communicated with the other end of the first filter (9).
3. The rocket kerosene tank ground power system test supplemental pressure system of claim 1 wherein said pressurization circuit comprises:
a first supercharging branch having a main supercharging solenoid valve (16) and a first supercharging aperture plate (19 a);
the second supercharging branch is connected with the first supercharging branch in parallel and is provided with an auxiliary supercharging electromagnetic valve (17) and a second supercharging orifice plate (19 b);
the third supercharging branch is connected with the second supercharging branch in parallel and is provided with a standby path supercharging electromagnetic valve (18) and a third supercharging pore plate (19 c);
a second filter (15) arranged on the pressurizing path near the main path.
4. The rocket kerosene tank ground power system test supplemental pressure system of claim 1 wherein said supplemental pressure circuit comprises:
the first pressure supplementing branch circuit is provided with a first auxiliary pressure supplementing electromagnetic valve (24) and a first pressure supplementing pore plate (26 a);
the second pressure supplementing branch is connected with the first pressure supplementing branch and is provided with a second auxiliary pressure supplementing electromagnetic valve (25) and a second pressure supplementing pore plate (26 b);
a third filter (23), the third filter (23) being arranged on a pressure compensating path close to the main path;
and the kerosene tank inflation switch (27) is arranged on a pressure supplementing path close to the kerosene tank (1).
5. A rocket kerosene tank ground power system test supplemental pressure system according to claim 1, wherein said pressure relief path has a second pressure relief valve (30), a kerosene tank vent valve (29) and a vent valve control solenoid valve (31), said second pressure relief valve (30) being disposed at an end of said pressure relief path near said main path, said kerosene tank vent valve (29) being disposed on said kerosene tank (1), said vent valve control solenoid valve (31) being disposed on the pressure relief path between said kerosene tank vent valve (29) and said vent valve control solenoid valve (31).
6. The rocket kerosene tank ground power system test supplemental pressure system of claim 1 wherein said feedback path comprises:
a kerosene box pressure sensor (21), wherein one end of the kerosene box pressure sensor (21) is connected with the kerosene box (1);
the system comprises a kerosene tank pressurizing controller (22), wherein one end of the kerosene tank pressurizing controller (22) is connected with a kerosene tank pressure sensor (21), and the other end of the kerosene tank pressurizing controller is respectively connected with an auxiliary road pressurizing electromagnetic valve (17) of a pressurizing road and a pressurizing electromagnetic valve of a standby protecting road, and is also respectively connected with a first auxiliary road pressurizing electromagnetic valve (24) and a second auxiliary road pressurizing electromagnetic valve (25) of a pressurizing road.
7. The rocket kerosene tank ground power system test supplementary pressure system according to claim 1, wherein the pressurizing path is connected with a normal temperature helium bottle (14), the main path is respectively communicated with the depressurizing path, the pressurizing path and the supplementary pressure path through a four-way (11), and the four-way (11) is also connected with a temperature sensor (12).
8. A rocket kerosene tank ground power system test supplemental pressure system according to claim 7 wherein a helium flow meter (13) is provided between said four-way (11) and the location of the pressurization and supplemental pressure circuit communication.
9. The rocket kerosene tank ground power system test supplementary pressure system according to claim 1, wherein a kerosene tank safety valve (28) and a kerosene tank energy dissipater (20) are arranged on the kerosene tank (1), and the kerosene tank energy dissipater (20) is communicated with a pressurizing path and a pressure supplementing path.
10. The rocket kerosene tank ground power system test supplementary pressure system according to claim 1, wherein a first kerosene conveying pipe (2), a second kerosene conveying pipe (3) and a third kerosene conveying pipe (4) are arranged on the kerosene tank (1), the first kerosene conveying pipe (2) is connected with a first engine (5), the second kerosene conveying pipe (3) is connected with a second engine (6), and the third kerosene conveying pipe (4) is connected with a third engine (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223597949.3U CN219243349U (en) | 2022-12-30 | 2022-12-30 | Rocket kerosene box ground power system test run pressure increasing and supplementing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223597949.3U CN219243349U (en) | 2022-12-30 | 2022-12-30 | Rocket kerosene box ground power system test run pressure increasing and supplementing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219243349U true CN219243349U (en) | 2023-06-23 |
Family
ID=86839785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223597949.3U Active CN219243349U (en) | 2022-12-30 | 2022-12-30 | Rocket kerosene box ground power system test run pressure increasing and supplementing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219243349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117418968A (en) * | 2023-09-21 | 2024-01-19 | 北京天兵科技有限公司 | Pressure supplementing method and system for test run of oxygen box power system |
-
2022
- 2022-12-30 CN CN202223597949.3U patent/CN219243349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117418968A (en) * | 2023-09-21 | 2024-01-19 | 北京天兵科技有限公司 | Pressure supplementing method and system for test run of oxygen box power system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7426935B2 (en) | Method of discharging high pressure storage vessels | |
| CN219243349U (en) | Rocket kerosene box ground power system test run pressure increasing and supplementing system | |
| CN208011288U (en) | A kind of LNG tank cars unloading system | |
| CN107645003B (en) | Common rail hydrogen injection system for fuel cell vehicle | |
| CN109630320A (en) | Purging system and blowing adapter for cryogenic liquid rocket engine | |
| CN110671232B (en) | Cold helium pressurization system for liquid oxygen temperature zone | |
| CN107762663B (en) | Space propulsion system integrating propulsion and replenishment functions | |
| CN212456262U (en) | Skid-mounted hydrogenation station | |
| CN110848046B (en) | Ground pressure-increasing and supplementing system and method for power system test run | |
| CN114275194B (en) | Self-generating pressurization system suitable for multi-station storage tank pressurization of nuclear carrier | |
| CN104165266B (en) | A kind of pressure reduction formula liquefied natural gas filling station adds injection system and method thereof | |
| CN106252689B (en) | Fuel cell can filling type gas supply convergence system | |
| CN204783332U (en) | Automobile -used CNG pressure reducer with novel piston mechanism of decompressor | |
| CN209145736U (en) | Blowing adapter for cryogenic liquid engine | |
| CN111271193A (en) | Low-temperature liquid rocket propellant pipeline control system and liquid rocket engine | |
| CN111059461A (en) | A supercharging device for on-vehicle gas cylinder of LNG | |
| CN217208898U (en) | Control system of hydrogen production and hydrogenation integrated station | |
| CN208566176U (en) | A kind of hydrogen storage vessel, hydrogen storage vessel valve and fuel cell car | |
| CN104963792A (en) | Automotive CNG pressure reducer with novel piston type pressure reducing mechanism | |
| CN100542860C (en) | Secondary gas filling station self-complementing voltage-stabilizing charging method and device | |
| CN212107879U (en) | Hydrogenation pipeline of hydrogen storage tank for station and hydrogenation pipeline of hydrogen storage tank for multiple stations | |
| CN109538941B (en) | Pressurization system and method for valve helium characteristic test for satellite attitude control engine | |
| CN206134828U (en) | Fuel cell can fill dress formula air feed system of converging | |
| CN219242066U (en) | Supercharging system | |
| CN111520238A (en) | Gas fuel supply pressure control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |