CN219244980U - Rocket safety valve high Wen Qibi performance experiment system - Google Patents
Rocket safety valve high Wen Qibi performance experiment system Download PDFInfo
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- CN219244980U CN219244980U CN202320158932.3U CN202320158932U CN219244980U CN 219244980 U CN219244980 U CN 219244980U CN 202320158932 U CN202320158932 U CN 202320158932U CN 219244980 U CN219244980 U CN 219244980U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The embodiment of the utility model provides a rocket safety valve high Wen Qibi performance experiment system, which comprises a liquid nitrogen tank, an experiment tank, a nitrogen source and a helium source; a liquid nitrogen pump and a manual filling valve of the experimental tank are arranged between the liquid nitrogen tank and the experimental tank, a nitrogen source is connected with a liquid nitrogen tank pressurizing port on the liquid nitrogen tank through a nitrogen input pipe, and a nitrogen pressure reducing valve, an electromagnetic valve and a pore plate are sequentially arranged on the nitrogen input pipe from the nitrogen source to the liquid nitrogen tank pressurizing port; the helium input pipe is sequentially provided with a helium pressure reducing valve, a helium warmer, a helium flowmeter, an adjusting electromagnetic valve and a pressure increasing electromagnetic valve from a helium source to a pressure increasing port of the experimental tank. The utility model has reasonable structural arrangement, can realize the adjustment of the supercharging flow by adjusting the opening of the electromagnetic valve, and can better realize the control of the supercharging flow; the technical defects that the flow rate and the temperature of the pressurized gas cannot be controlled accurately and the experimental result can be influenced in the prior art are overcome, and the method is high in applicability and good in practicability.
Description
Technical Field
The utility model relates to the technical field of liquid rocket safety valve opening and closing performance experiments, in particular to a rocket safety valve high Wen Qibi performance experiment system.
Background
The low-temperature safety valve is one of the key single machines of the carrier rocket, is mainly used for protecting the pressure bearing safety of the low-temperature storage tank in the rocket launching preparation process and the rocket flight process, is used as an important single point fault of the carrier rocket, and the high-precision opening and closing performance of the low-temperature safety valve is an important attention index of product design, however, in the use process of the low-temperature safety valve, the phenomenon that the opening pressure and the closing pressure of the accidental safety valve are abnormally low and the main deviation is high is caused, so that the qualification rate and the reliability of the low-temperature safety valve are improved through a large number of experiments of the opening and closing performance of the ground safety valve;
the Chinese patent publication number is: CN104122092a, patent name: the simulator for the exhaust process of the safety valve on the arrow consists of a program controller, a data acquisition processor and a pressure sensor to form a propellant storage tank pressure measurement and instruction generation system, wherein the back seat pressure of the safety valve is set to Pmin, the opening pressure is set to Pmax, the pressure value P of the propellant storage tank is sensed, and a digital instruction of 'on' or 'off' is generated according to the magnitude relation of the three values; the instruction execution system is composed of a low-temperature pneumatic valve and a pore plate, and is used for executing the opening and the deflation or the closing actions. The pressure in the pressurizing process can be ensured to meet Pmin and P and Pmax.
In the process of implementing the present utility model, the inventor finds that at least the following problems exist in the prior art: the accuracy control of the flow and the temperature of the pressurized gas cannot be realized by the liquid rocket safety valve opening and closing performance experiment system, so that the experimental result can be influenced, an error conclusion can be obtained through the experiment, experimental data with deviation can be brought to a designer, the design production cost can be increased to a certain extent, and the applicability and the practicability are limited.
Disclosure of Invention
In view of the above, the embodiment of the utility model aims to provide a rocket safety valve high Wen Qibi performance experiment system, which aims to solve the technical defect that the accuracy control of the flow rate and the temperature of pressurized gas cannot be realized in the prior art and the experimental result is affected.
The embodiment of the utility model provides a rocket safety valve high Wen Qibi performance experiment system, which comprises a liquid nitrogen tank, an experiment tank, a nitrogen source and a helium source;
a liquid nitrogen pump and a manual filling valve of the experiment tank are arranged between the liquid nitrogen tank and the experiment tank, and liquid nitrogen in the liquid nitrogen tank is conveyed into the experiment tank through the liquid nitrogen pump and the manual filling valve of the experiment tank;
the nitrogen source is connected with a liquid nitrogen tank pressurizing port on the liquid nitrogen tank through a nitrogen input pipe, a nitrogen pressure reducing valve, an electromagnetic valve and a pore plate are sequentially arranged on the nitrogen input pipe from the nitrogen source to the liquid nitrogen tank pressurizing port, and the nitrogen source is pressurized in the liquid nitrogen tank through the nitrogen pressure reducing valve, the electromagnetic valve, the pore plate and the liquid nitrogen tank pressurizing port;
the helium source is connected with the experiment tank pressurizing port on the experiment tank through a helium input pipe.
Further preferred are: the helium inlet pipe is sequentially provided with a helium pressure reducing valve, a helium warmer, a helium flowmeter, an adjusting electromagnetic valve and a pressurizing electromagnetic valve from the helium source to the experiment tank pressurizing port, and the helium source pressurizes the experiment tank through the helium pressure reducing valve, the helium warmer, the helium flowmeter, the adjusting electromagnetic valve, the pressurizing electromagnetic valve and the experiment tank pressurizing port.
Further preferred are: the experimental tank is internally provided with an experimental tank liquid level sensor for identifying the filling nitrogen height, and the experimental tank is also provided with an experimental tank liquid nitrogen manual discharge valve.
Further preferred are: the helium gas inlet pipe is further provided with an experiment tank inflation pipe, the experiment tank inflation pipe is provided with an experiment tank inflation electromagnetic valve, and one end of the experiment tank inflation pipe is connected to a pipeline between the pressurizing electromagnetic valve and the adjusting electromagnetic valve through a tee joint.
Further preferred are: and a pipeline temperature sensor is further arranged on the helium gas input pipe, and the pipeline temperature sensor is arranged on a pipeline between the helium warmer and the helium flowmeter.
Further preferred are: the helium flowmeter is provided with a flow controller connected with the regulating electromagnetic valve.
Further preferred are: the liquid nitrogen tank is connected with a liquid nitrogen tank safety valve and a liquid nitrogen tank manual inflation switch.
Further preferred are: the experimental tank is connected with an experimental tank manual inflation switch and an experimental tank safety valve.
Further preferred are: and the experimental tank is connected with an experimental tank temperature sensor, an oxygen safety valve and an experimental tank pressure sensor.
Further preferred are: and filters are arranged in the nitrogen input pipe and the helium input pipe.
Further preferred are: and a liquid nitrogen pump motor is arranged on the liquid nitrogen pump.
The technical scheme has the following beneficial effects:
the utility model has reasonable structural arrangement, can realize the adjustment of the supercharging flow by adjusting the opening of the electromagnetic valve, and can better realize the control of the supercharging flow; the technical defects that the flow rate and the temperature of the pressurized gas cannot be controlled accurately and the experimental result can be influenced in the prior art are overcome, and the method is high in applicability and good in practicability.
And the accurate control of liquid nitrogen filling liquid level can be better realized through the display of the liquid level sensor of the experimental tank, the size of the initial air pillow space is ensured, the actual oxygen box initial air pillow space is simulated, and the control precision is improved.
Meanwhile, the device has a simple integral structure, can realize the control of the flow and the temperature of the pressurized gas, ensures the space of the initial air pillow, and meets the requirement of experiments.
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 is a schematic illustration of the specific construction of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 3 is a schematic diagram showing a specific structure of the experimental tank in the utility model.
Reference numerals:
1. a liquid nitrogen tank; 2. an experiment tank; 3. a nitrogen source; 4. a helium source; 5. a liquid nitrogen pump; 6. the manual filling valve of the experimental tank; 7. a nitrogen gas input pipe; 8. a pressurizing port of the liquid nitrogen tank; 9. a nitrogen pressure reducing valve; 10. an electromagnetic valve; 11. an orifice plate; 12. a helium gas input pipe; 13. a boost port of the experimental tank; 14. a helium pressure reducing valve; 15. a helium warmer; 16. a helium flow meter; 17. adjusting an electromagnetic valve; 18. a pressurizing electromagnetic valve; 19. an experimental tank liquid level sensor; 20. liquid nitrogen manual discharge valve of experimental tank; 21. an inflation tube of the experimental tank; 22. an experiment tank inflation electromagnetic valve; 23. a pipeline temperature sensor; 24. a flow controller; 25. a liquid nitrogen tank safety valve; 26. a liquid nitrogen tank manual inflation switch; 27. manual inflation switch of the experimental tank; 28. an experiment tank safety valve; 29. an experimental tank temperature sensor; 30. an oxygen safety valve; 31. an experimental tank pressure sensor; 32. a filter; 33. a liquid nitrogen pump motor.
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 3, the embodiment provides a rocket safety valve high Wen Qibi performance experiment system, which comprises a liquid nitrogen tank 1, an experiment tank 2, a nitrogen source 3 and a helium source 4;
as shown in fig. 1 and 2, a liquid nitrogen pump 5 and a manual filling valve 6 of the experiment tank are arranged between the liquid nitrogen tank 1 and the experiment tank 2, and liquid nitrogen in the liquid nitrogen tank 1 is conveyed into the experiment tank 2 through the liquid nitrogen pump 5 and the manual filling valve 6 of the experiment tank; the liquid nitrogen pump 5 is provided with a liquid nitrogen pump motor 33.
The nitrogen source 3 is connected with a liquid nitrogen tank pressurizing port 8 on the liquid nitrogen tank 1 through a nitrogen input pipe 7, a nitrogen pressure reducing valve 9, an electromagnetic valve 10 and a pore plate 11 are sequentially arranged on the nitrogen input pipe 7 from the nitrogen source 3 to the liquid nitrogen tank pressurizing port 8, and the nitrogen source 3 is pressurized into the liquid nitrogen tank 1 through the nitrogen pressure reducing valve 9, the electromagnetic valve 10, the pore plate 11 and the liquid nitrogen tank pressurizing port 8; in this embodiment, nitrogen source 3 adds liquid nitrogen to liquid nitrogen tank 1 through nitrogen relief valve 9, solenoid valve 10, orifice plate 11 and liquid nitrogen tank pressure boost mouth 8 to realize the pressure boost operation in liquid nitrogen tank 1, be favorable to improving the control accuracy of experimental pressurized gas flow, improve the degree of accuracy of experimental data.
The helium source 4 pressurizes the experiment tank 2 through the helium pressure reducing valve 14, the helium warmer 15, the helium flowmeter 16, the regulating electromagnetic valve 17, the pressurizing electromagnetic valve 18 and the experiment tank pressurizing port 13, thereby being beneficial to improving the control accuracy of the flow of the experiment pressurizing gas and the accuracy of experimental data. In this embodiment, different boost flows can be realized by adjusting the opening of the electromagnetic valve 17, so that the influence of different boost flows on the opening pressure and the closing pressure of the oxygen safety valve can be conveniently studied, and meanwhile, the adjustment of different boost gas temperatures can be realized by changing the helium warmer 15, and the influence of different boost gas temperatures on the opening pressure and the closing pressure of the oxygen safety valve can be studied, so that more comprehensive experimental data can be provided.
As shown in fig. 1 and 3, in the present embodiment, in the practical application process, an experiment tank liquid level sensor 19 for identifying the filling level of nitrogen is provided in the experiment tank 2, and an experiment tank liquid nitrogen manual discharge valve 20 is further provided on the experiment tank 2. In this embodiment, the liquid level sensor 19 provided with the experimental tank can recognize the height of the filled liquid nitrogen, and stop the liquid nitrogen filling operation when the filled liquid nitrogen reaches a predetermined liquid level.
The helium input pipe 12 is also provided with an experiment tank charging pipe 21, the experiment tank charging pipe 21 is provided with an experiment tank charging electromagnetic valve 22, and one end of the experiment tank charging pipe 21 is connected on a pipeline between the pressurizing electromagnetic valve 18 and the adjusting electromagnetic valve 17 through a tee joint.
As shown in fig. 1 and 3, the helium gas input pipe 12 is further provided with a line temperature sensor 23, and the line temperature sensor 23 is provided in a line between the helium warmer 15 and the helium flowmeter 16. The experiment tank 2 is connected with an experiment tank temperature sensor 29, an oxygen safety valve 30 and an experiment tank pressure sensor 31.
Before the safety valve opening and closing experiment, the pressurizing electromagnetic valve 18 is closed, the experiment tank inflating electromagnetic valve 22 is opened, the helium source 4 carries out pressurizing gas helium gas temperature adjustment through the filter 32, the helium pressure reducing valve 14 and the helium heater 15 in the helium input pipe 12, then the opening of the adjusting electromagnetic valve 17 is continuously controlled through the helium flowmeter 16 and the flow controller 24, the control of the pressurizing gas flow is realized, the opening of the adjusting electromagnetic valve 17 is marked when the preset flow is reached, then the experiment tank inflating electromagnetic valve 22 is closed, the pressurizing electromagnetic valve 18 is opened to pressurize the experiment tank 2, and the oxygen safety valve opening and closing experiment formally begins.
As shown in fig. 1 and 3, in this embodiment, the air pillow temperature of the experiment tank 2 can be measured at all times by the pipeline temperature sensor 23 and the experiment tank temperature sensor 29, and the experiment tank pressure sensor 31 can measure the air pillow pressure of the experiment tank 2 at all times, so as to ensure the accuracy of experimental data.
As shown in fig. 1 and 3, the helium flowmeter 16 is provided with a flow controller 24 connected to the regulating solenoid valve 17. Flow control is effectively and accurately achieved by flow controller 24 and helium flow meter 16.
As shown in fig. 1, a liquid nitrogen tank safety valve 25 and a liquid nitrogen tank manual inflation switch 26 are connected to the liquid nitrogen tank 1. The experimental tank 2 is connected with an experimental tank manual inflation switch 27 and an experimental tank safety valve 28.
The utility model has reasonable structure, can realize the adjustment of the supercharging flow by adjusting the opening of the electromagnetic valve, and can better realize the control of the supercharging flow; the method solves the technical defects that the flow and temperature of the pressurized gas cannot be controlled accurately in the prior art, and the experimental result can be influenced, and has strong applicability and good practicability.
And the accurate control of liquid nitrogen filling liquid level can be better realized through the display of the liquid level sensor of the experimental tank, the size of the initial air pillow space is ensured, the actual oxygen box initial air pillow space is simulated, and the control precision is improved.
Meanwhile, the device has a simple integral structure, can realize the control of the flow and the temperature of the pressurized gas, ensures the space of the initial air pillow, and meets the requirement of experiments.
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 safety valve high Wen Qibi performance experimental system which characterized in that: comprises a liquid nitrogen tank (1), an experiment tank (2), a nitrogen source (3) and a helium source (4);
a liquid nitrogen pump (5) and an experimental tank manual filling valve (6) are arranged between the liquid nitrogen tank (1) and the experimental tank (2), and liquid nitrogen in the liquid nitrogen tank (1) is conveyed into the experimental tank (2) through the liquid nitrogen pump (5) and the experimental tank manual filling valve (6);
the nitrogen source (3) is connected with a liquid nitrogen tank pressurizing port (8) on the liquid nitrogen tank (1) through a nitrogen input pipe (7), a nitrogen pressure reducing valve (9), an electromagnetic valve (10) and an orifice plate (11) are sequentially arranged on the nitrogen input pipe (7) from the nitrogen source (3) to the liquid nitrogen tank pressurizing port (8), and the nitrogen source (3) is pressurized into the liquid nitrogen tank (1) through the nitrogen pressure reducing valve (9), the electromagnetic valve (10) and the orifice plate (11);
the helium source (4) is connected with an experiment tank pressurizing port (13) on the experiment tank (2) through a helium input pipe (12).
2. A rocket safety valve high Wen Qibi performance test system according to claim 1, wherein:
helium supply (4) to experiment jar pressure boost mouth (13) have set gradually helium relief pressure valve (14), helium warmer (15), helium flowmeter (16), regulation solenoid valve (17), pressure boost solenoid valve (18) on helium input tube (12), helium supply (4) pass through helium relief pressure valve (14) helium warmer (15) helium flowmeter (16) regulation solenoid valve (17) pressure boost solenoid valve (18) with experiment jar pressure boost mouth (13) to in experiment jar (2) pressure boost.
3. A rocket safety valve high Wen Qibi performance test system according to claim 2, wherein: the experimental tank is characterized in that an experimental tank liquid level sensor (19) for identifying the filling height of nitrogen is arranged in the experimental tank (2), and an experimental tank liquid nitrogen manual discharge valve (20) is further arranged on the experimental tank (2).
4. A rocket safety valve high Wen Qibi performance test system according to claim 3, wherein: the helium gas inlet pipe (12) is further provided with an experiment tank inflation pipe (21), the experiment tank inflation pipe (21) is provided with an experiment tank inflation electromagnetic valve (22), and one end of the experiment tank inflation pipe (21) is connected to a pipeline between the pressurizing electromagnetic valve (18) and the regulating electromagnetic valve (17) through a tee joint.
5. A rocket safety valve high Wen Qibi performance test system according to claim 4, wherein: the helium gas input pipe (12) is also provided with a pipeline temperature sensor (23), and the pipeline temperature sensor (23) is arranged on a pipeline between the helium warmer (15) and the helium flowmeter (16).
6. A rocket safety valve high Wen Qibi performance test system according to claim 5, wherein: the helium flowmeter (16) is provided with a flow controller (24) connected with the regulating electromagnetic valve (17).
7. A rocket safety valve high Wen Qibi performance test system according to claim 6, wherein: the liquid nitrogen tank (1) is connected with a liquid nitrogen tank safety valve (25) and a liquid nitrogen tank manual inflation switch (26).
8. A rocket safety valve high Wen Qibi performance experiment system according to claim 7, wherein: the experimental tank (2) is connected with an experimental tank manual inflation switch (27) and an experimental tank safety valve (28).
9. A rocket safety valve high Wen Qibi performance test system according to claim 8, wherein: the experimental tank (2) is connected with an experimental tank temperature sensor (29), an oxygen safety valve (30) and an experimental tank pressure sensor (31).
10. A rocket safety valve height Wen Qibi performance test system according to any one of claims 2-9 wherein: a filter (32) is arranged in each of the nitrogen input pipe (7) and the helium input pipe (12); and a liquid nitrogen pump motor (33) is arranged on the liquid nitrogen pump (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320158932.3U CN219244980U (en) | 2023-01-18 | 2023-01-18 | Rocket safety valve high Wen Qibi performance experiment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320158932.3U CN219244980U (en) | 2023-01-18 | 2023-01-18 | Rocket safety valve high Wen Qibi performance experiment system |
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| Publication Number | Publication Date |
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| CN219244980U true CN219244980U (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320158932.3U Active CN219244980U (en) | 2023-01-18 | 2023-01-18 | Rocket safety valve high Wen Qibi performance experiment system |
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| CN (1) | CN219244980U (en) |
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2023
- 2023-01-18 CN CN202320158932.3U patent/CN219244980U/en active Active
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