CN209976662U - Thrust adjusting conveying pipeline and carrier rocket - Google Patents
Thrust adjusting conveying pipeline and carrier rocket Download PDFInfo
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- CN209976662U CN209976662U CN201920585280.5U CN201920585280U CN209976662U CN 209976662 U CN209976662 U CN 209976662U CN 201920585280 U CN201920585280 U CN 201920585280U CN 209976662 U CN209976662 U CN 209976662U
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Abstract
The utility model discloses a thrust adjusting conveying pipeline and a carrier rocket, which comprises a main inlet pipeline, a low working condition pipeline, a high working condition pipeline, a switching valve and an outlet pipeline, wherein one end of the main inlet pipeline is used for connecting a propellant storage box, the other end of the main inlet pipeline is respectively connected with the low working condition pipeline and the high working condition pipeline, the low working condition pipeline and the high working condition pipeline are respectively connected with the switching valve, one end of the switching valve is connected with the outlet pipeline, the other end of the outlet pipeline is used for being connected with thrusters, when the propellant storage box supplies the propellants to a plurality of thrusters, the switching valve is used for controlling the opening and closing of the low working condition pipeline and the high working condition pipeline to realize the switching between the supply of the propellants from the low working condition pipeline and the supply from the high working condition pipeline, compared with the prior art, the structure is convenient to control, simple in structure, convenient to operate and capable of saving cost.
Description
Technical Field
The utility model relates to a liquid rocket engine field, in particular to conveying pipeline and carrier rocket are adjusted to thrust.
Background
The space vehicle is an effective means for human beings to explore the universe and know the outer space, and is used as a core for controlling the flight attitude and the orbit of the space vehicle, and the attitude and orbit control power system has the functions of pitch and yaw control, rolling control, orbit keeping, speed correction and the like. In different task sections, the aircraft needs a power system to provide different thrusts, so that a plurality of thrusters with different thrusts are usually required to be matched, the scheme is complex, the structural mass is heavy, and the cost is high.
The variable thrust thruster is adopted to replace a plurality of different thrust thrusters, so that the complexity of a power system can be reduced, the number of thrusters can be reduced, and the structural quality of the system can be reduced, thereby improving the quality of effective load, enhancing the maneuverability, improving the hit precision and the like. Typically, the technical approach to achieving thrust modulation in liquid rocket engines is to control the propellant flow of the engine. A common thrust adjustment scheme is to use an independent adjustment scheme for each thruster. When the thrusters which need to perform variable thrust work are large in number, the number of system pipelines, the number of valves and the number of control loops are large, operation is inconvenient, control is complex, overhaul is complex, and reliability is low.
Therefore, the thrust adjusting conveying pipeline which is convenient to control, simple in structure, convenient to operate, cost-saving and high in reliability is provided.
Disclosure of Invention
The utility model aims at providing a thrust is adjusted conveying line and carrier rocket has advantages such as convenient control, simple structure, be convenient for operation, saving cost, stable reliability.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thrust regulation conveying pipeline, contains main inlet pipeline, low operating mode pipeline, high operating condition pipeline, diverter valve and outlet pipeline, wherein, main inlet pipeline one end is used for connecting propellant storage tank, the other end of main inlet pipeline respectively with low operating mode pipeline with high operating condition tube coupling, low operating mode pipeline with high operating condition pipeline other end is connected respectively the diverter valve, diverter valve one end is connected the outlet pipeline, the outlet pipeline other end is used for connecting the thrustor, the diverter valve is used for through control low operating mode pipeline with opening and closing of high operating condition pipeline, realize the propellant by low operating mode pipeline supply with by switching between the high operating condition pipeline supply.
Preferably, the main inlet pipeline is connected through a shunt tee joint to the low-working-condition pipeline and the high-working-condition pipeline, the shunt tee joint comprises a first inlet, a first outlet and a second outlet, the main inlet pipeline is connected with the first inlet, the high-working-condition pipeline is connected with the first outlet, the low-working-condition pipeline is connected with the second outlet, and the operation is facilitated as the shunt tee joint is connected to the lower end of the main inlet pipeline to facilitate the flow of the thrust agent.
Preferably, be equipped with governing valve and switching pipeline on the low operating mode pipeline, the governing valve includes fourth entry and fourth export, the low operating mode pipeline with fourth entry linkage, the one end of switching pipeline with the fourth export links to each other and the other end is connected the diverter valve, because the existence of governing valve, makes things convenient for the regulation of propellant flow, the control of being convenient for.
Preferably, the switching valve is a two-position three-way valve and comprises a second inlet, a third outlet and a first electrical interface; the second inlet is connected with the switching pipeline, the third inlet is connected with the high-working-condition pipeline, the switching valve is electrically connected with the controller through the first electrical interface, the controller is used for controlling the opening and closing of the second inlet and the third inlet, and the first electrical interface is connected with the controller through a wire, so that the switching valve can be controlled to be opened and closed conveniently, and meanwhile, the switching valve is convenient to control and operate.
Preferably, the surface of the outlet pipeline is provided with a corrugated structure, so that the outlet pipeline is convenient to bend, and the installation and maintenance of the outlet pipeline are facilitated.
Preferably, the low operating mode pipeline the high operating condition pipeline with switching pipeline cross-sectional appearance is circular structure, and inside is equipped with the through-hole, the low operating mode pipeline, the high operating condition pipeline with switching pipeline is the flexible structure simultaneously because the cross-sectional appearance of three structure is circular structure, increases inside volume on the one hand, avoids operating personnel to be by the fish tail in the installation simultaneously, effectively protects personal safety, and because the low operating mode pipeline the high operating condition pipeline with switching pipeline is the flexible structure, and is easy to assemble, the maintenance of being convenient for.
Preferably, the low-working-condition pipeline, the high-working-condition pipeline and the switching pipeline are provided with smooth layers on the inner surfaces, the low-working-condition pipeline, the high-working-condition pipeline and the switching pipeline are in adhesive connection with the smooth layers, and due to the existence of the smooth layers, contact between an oxidant or fuel and the inner wall of the pipeline is reduced, and smooth circulation of the oxidant or fuel is ensured.
The utility model also provides a carrier rocket contains above thrust and adjusts pipeline.
Compared with the prior art, the beneficial effects of the utility model are that: the thrust adjusting delivery pipeline consists of a main inlet pipeline, a low-working-condition pipeline, a high-working-condition pipeline, a switching valve and an outlet pipeline, wherein a propellant flows to the main inlet pipeline through a propellant storage tank and then enters the low-working-condition pipeline and the high-working-condition pipeline, one end of the switching valve is connected with the outlet pipeline, the propellant enters a plurality of thrusters through the outlet pipeline, when the propellant storage tank supplies the propellant to the plurality of thrusters, the switching valve is used for switching between the supply of the propellant from the low-working-condition pipeline and the supply of the propellant from the high-working-condition pipeline by controlling the opening and closing of the low-working-condition pipeline and the high-working-condition pipeline, and the problems of large quantity of system pipelines, large quantity of valves and large quantity of control loops existing in the case that each thruster adopts an independent thrust adjusting scheme are solved in the whole operation process, the control is convenient, the operation is convenient, the number of pipelines, the number of valves and the number of control loops are reduced, the cost is saved, and the reliability is improved.
Drawings
Fig. 1 is a schematic view of a thrust adjusting conveying pipeline of the present invention;
FIG. 2 is a schematic structural view of the low-operating mode pipeline of the present invention;
FIG. 3 is a schematic cross-sectional view of the high-operating-condition pipeline and the smooth layer of the present invention;
fig. 4 is a schematic structural diagram of the outlet pipeline of the present invention.
Description of reference numerals:
1 propellant tank 2 main inlet line
3-way branch tee 31 first inlet
32 first outlet 33 second outlet
4 low operating mode pipeline 5 high operating condition pipeline
6 regulating valve 61 fourth inlet
62 fourth outlet 7 switching pipeline
8 switching valve 81 second inlet
82 third inlet 83 third outlet
84 first electrical interface 9 outlet line
10 thruster 11 smooth layer
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the spirit of the present invention will be described in detail with reference to the accompanying drawings, and any person skilled in the art can change or modify the techniques taught by the present invention without departing from the spirit and scope of the present invention after understanding the embodiments of the present invention.
The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention. Additionally, the same or similar numbered elements/components used in the drawings and the embodiments are used to represent the same or similar parts.
As used herein, the terms "first," "second," …, etc. do not denote any order or sequential importance, nor are they used to limit the invention, but rather are used to distinguish one element from another or from another element or operation described in the same technical language.
With respect to directional terminology used herein, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology used is intended to be illustrative and is not intended to be limiting of the present teachings.
As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.
As used herein, "and/or" includes any and all combinations of the described items.
As used herein, the terms "substantially", "about" and the like are used to modify any slight variation in quantity or error that does not alter the nature of the variation. Generally, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the aforementioned values can be adjusted according to actual needs, and are not limited thereto.
Certain words used to describe the present application are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the present application.
Please refer to fig. 1-4, an embodiment of the present invention provides a thrust adjusting conveying pipeline, which is composed of a main inlet pipeline 2, a low operating condition pipeline 4, a high operating condition pipeline 5, a switching valve 8 and an outlet pipeline 9, wherein the propellant storage tank 1 is used for connecting one end of the main inlet pipeline 2, one end of the main inlet pipeline 2 is respectively connected with the low operating condition pipeline 4 and the high operating condition pipeline 5, the other end of the low operating condition pipeline 4 and the high operating condition pipeline 5 is respectively connected with the switching valve 8, one end of the switching valve 8 is connected with the outlet pipeline 9, the other end of the outlet pipeline 9 is used for connecting the thruster 10, the switching valve 8 is used for controlling the opening and closing of the low operating condition pipeline 4 and the high operating condition pipeline 5, so as to realize the switching between the supply of the propellant by the low operating condition pipeline 4 and the supply by.
Specifically, the method comprises the following steps: the thrust adjusting delivery pipeline consists of a main inlet pipeline 2, a low working condition pipeline 4, a high working condition pipeline 5, a switching valve 8 and an outlet pipeline 9, propellant flows to the main inlet pipeline 2 through a propellant storage box 1 and then enters the low working condition pipeline 4 and the high working condition pipeline 5, when the low working condition pipeline 4 and the high working condition pipeline 5 pass through the switching valve 8, one end of the switching valve 8 is connected with the outlet pipeline 9, the propellant enters a plurality of thrusters 10 through the outlet pipeline 9, when the propellant storage box 1 supplies the propellant to the plurality of thrusters 10, the switching valve 8 is used for controlling the opening and closing of the low working condition pipeline 4 and the high working condition pipeline 5 to realize the switching between the supply of the propellant from the low working condition pipeline 4 and the supply from the high working condition pipeline 5, the whole operation process realizes the control of the propellant in the plurality of thrusters 10 through a set of control system, and solves the problems that each thruster 10 adopts a plurality of system pipelines existing in an independent thrust adjusting scheme, The problem that the valve quantity is many and control circuit quantity is many, convenient control, convenient operation has reduced pipeline quantity, valve quantity and control circuit quantity simultaneously, practices thrift the cost, improves the reliability.
In this embodiment, the main inlet pipeline 2 is connected with the low operating condition pipeline 4 and the high operating condition pipeline 5 through the shunt tee joint 3, the shunt tee joint comprises a first inlet 31, a first outlet 32 and a second outlet 33, the main inlet pipeline 2 is connected with the first inlet 31, the high operating condition pipeline 5 is connected with the first outlet 32, the low operating condition pipeline 4 is connected with the second outlet 33, and the shunt tee joint 3 is connected with the lower end of the main inlet pipeline 2, so that the flow of the thrust agent is facilitated, and the operation is facilitated.
It should be noted that, be equipped with governing valve 6 and switching pipeline 7 on the low operating mode pipeline 4, governing valve 6 includes fourth entry 61 and fourth export 62, and low operating mode pipeline 4 is connected with fourth entry 61, and switching pipeline 7's one end links to each other the other end with fourth export 62 and connects diverter valve 8, because the existence of governing valve 6, makes things convenient for propellant flow's regulation, the control of being convenient for.
It is worth mentioning that the switching valve 8 is a two-position three-way valve, including the second inlet 81, the third inlet 82, the third outlet 83 and the first electrical interface 84, the second inlet 81 is connected with the transfer pipeline 7, the third inlet 82 is connected with the high-operating-condition pipeline 5, the switching valve 8 is electrically connected with the controller through the first electrical interface 84, the controller is used for controlling the opening and closing of the second inlet 81 and the third inlet 82, because the switching valve 8 is connected with the controller, the first electrical interface 84 is electrically connected with the controller through a wire, on one hand, the switching valve is convenient to control to open and close, and simultaneously, the control is convenient, and the operation is convenient.
It should be noted that, in order to facilitate installation of the outlet pipe 9, a corrugated structure may be provided on the surface of the outlet pipe 9 to facilitate bending of the outlet pipe 9, which facilitates installation and maintenance of the outlet pipe 9.
In addition, low operating mode pipeline 4, high operating mode pipeline 5 and switching pipeline 7 cross-section are circular structure, and inside is equipped with the through-hole, this design can increase the inside volume of three, simultaneously because three's cross-sectional appearance is circular structure, avoid operating personnel by the fish tail in the installation, effectively protect personal safety, it is worth mentioning that, in this embodiment, low operating mode pipeline 4, high operating mode pipeline 5 and switching pipeline 7 all can be the flexible structure, easy to assemble, be convenient for maintain.
In the present embodiment, the connection means includes a screw connection, welding, caulking, and the like, and will not be described in detail.
The working principle is as follows: the thruster 10 is in a high operating condition (high thrust output) when the inlet pressure of the thruster 10 is P1, and the thruster is in a low operating condition (low thrust output) when the inlet pressure of the thruster 10 is P2. Assuming that the pressurization pressure of the propellant storage tank 1 is P1, the outlet pressure of the regulating valve 6 is P2, the flow resistance of the propellant storage tank 1, the flow resistance of the shunt tee 3, the flow resistance of the switching valve 8 and the flow resistance of the pipeline system are neglected, the inlet pressure of the thruster is P1 when the flow passage of the high-working-condition pipeline 5 is a passage, and the inlet pressure of the thruster is P2 when the flow passage of the low-working-condition pipeline 4 is a passage. The variable thrust adjustment of the thruster 10 is realized by controlling the working state of the switching valve 8, and the specific working principle is as follows: the state of the switching valve 8 is preset, after the propellant storage tank 1 is pressurized, the flow channel of the high-working-condition pipeline 5 is in a passage state, the flow channel of the low-working-condition pipeline 4 is in a closed state, at the moment, the inlet pressure of the thruster 10 is P1, and the thruster 10 is in a high-working-condition working state. When the thruster 10 needs to be switched from the high working condition working state to the low working condition working state, the control system energizes the switching valve 8, the switching valve 8 works, the flow channel of the low working condition pipeline 4 is placed in the open state, the flow channel of the high working condition pipeline 5 is placed in the closed state, at this time, the inlet pressure of the thruster is P2, and the thruster 10 is in the low working condition working state. When the thruster 10 needs to be switched from the low-working-condition working state to the high-working-condition working state, the controller 5 energizes the switching valve 8, the switching valve 8 works, the flow channel where the high-working-condition pipeline is located is placed in the open state, the flow channel where the low-working-condition pipeline 4 is located is placed in the closed state, at the moment, the inlet pressure of the thruster is adjusted to be P1 again, and the thruster 10 is in the high-working-condition working state. In this way, the thrust-varying operation of the thruster 10 is realized by continuously controlling the state of the switching valve 8.
The utility model discloses a second embodiment relates to a pipeline is adjusted in thrust, the second embodiment is further improved on the basis of first embodiment, as shown in fig. 1, specifically speaking, at low operating mode pipeline 4, high operating mode pipeline 5 and 7 internal surfaces of switching pipeline are equipped with smooth layer 11, and with 11 adhesive connection of smooth layer, because the existence of smooth layer 11, reduce oxidant or fuel and the contact of pipeline inner wall, guarantee that oxidant or fuel circulation is smooth and easy, it needs to point out that, for the convenience of control pipeline flow, design into being less than high operating mode pipeline 5 inner warp with the internal diameter of low operating mode pipeline 4, conveniently control the flow of oxidant.
In addition, the regulating valve 6 is installed on the low-condition pipeline 4 in the embodiment, in the practical application process, the regulating valve 6 may be installed at an outlet of the shunt tee 3 or an inlet of the switching valve 8, and the regulating valve 6 includes one or more of a throttle valve, a speed regulating valve and an overflow throttle valve, which are not listed here.
The controller is a programmable controller.
The utility model also provides a carrier rocket contains above thrust and adjusts pipeline.
The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.
Claims (8)
1. A thrust adjusting conveying pipeline is characterized in that: contain main inlet pipeline, low operating mode pipeline, high operating condition pipeline, diverter valve and outlet pipeline, wherein, main inlet pipeline one end is used for connecting the propellant storage tank, the other end of main inlet pipeline respectively with low operating mode pipeline with high operating condition tube coupling, low operating mode pipeline with high operating condition pipeline other end is connected respectively the diverter valve, diverter valve one end is connected the outlet pipeline, the outlet pipeline other end is used for connecting the thrustor, the diverter valve is used for through control low operating mode pipeline with opening and closing of high operating condition pipeline realizes the propellant by low operating mode pipeline supply with by switching between the high operating condition pipeline supply.
2. The thrust force modulation delivery conduit of claim 1, wherein: the main inlet pipeline is connected with the low working condition pipeline and the high working condition pipeline through a shunt tee joint, the shunt tee joint comprises a first inlet, a first outlet and a second outlet, the main inlet pipeline is connected with the first inlet, the high working condition pipeline is connected with the first outlet, and the low working condition pipeline is connected with the second outlet.
3. The thrust force modulation delivery conduit of claim 1, wherein: the low-working-condition pipeline is provided with a regulating valve and a switching pipeline, the regulating valve comprises a fourth inlet and a fourth outlet, the low-working-condition pipeline is connected with the fourth inlet, one end of the switching pipeline is connected with the fourth outlet, and the other end of the switching pipeline is connected with the switching valve.
4. The thrust force modulation delivery conduit of claim 3, wherein: the switching valve is a two-position three-way valve and comprises a second inlet, a third outlet and a first electrical interface; the second inlet is connected with the switching pipeline, the third inlet is connected with the high-working-condition pipeline, the switching valve is electrically connected with the controller through the first electrical interface, and the controller is used for controlling the opening and closing of the second inlet and the third inlet.
5. The thrust force modulation delivery conduit of claim 1, wherein: and the surface of the outlet pipeline is provided with a corrugated structure.
6. The thrust force modulation delivery conduit of claim 3, wherein: the low-working-condition pipeline, the high-working-condition pipeline and the switching pipeline are of circular structures in cross section and are internally provided with through holes, and the low-working-condition pipeline, the high-working-condition pipeline and the switching pipeline are of bendable structures.
7. The thrust force modulation delivery conduit of claim 6, wherein: the inner surfaces of the low-working-condition pipeline, the high-working-condition pipeline and the switching pipeline are provided with smooth layers, and the low-working-condition pipeline, the high-working-condition pipeline and the switching pipeline are in adhesive connection with the smooth layers.
8. A launch vehicle characterized by: comprising a thrust modulation delivery conduit according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920585280.5U CN209976662U (en) | 2019-04-26 | 2019-04-26 | Thrust adjusting conveying pipeline and carrier rocket |
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| CN201920585280.5U CN209976662U (en) | 2019-04-26 | 2019-04-26 | Thrust adjusting conveying pipeline and carrier rocket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404618A (en) * | 2021-06-24 | 2021-09-17 | 北京机械设备研究所 | Solid pulse power device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404618A (en) * | 2021-06-24 | 2021-09-17 | 北京机械设备研究所 | Solid pulse power device |
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