Liquid starter device and attitude control power system
阅读说明:本技术 一种液体启动器装置及姿控动力系统 (Liquid starter device and attitude control power system ) 是由 不公告发明人 于 2019-09-03 设计创作,主要内容包括:本发明公开了一种液体启动器装置及姿控动力系统,包含气体发生结构,切割结构,推进剂存储结构和壳体结构;所述壳体结构具有气体通道、液体介质通道出口及限位结构,所述气体发生结构连通所述壳体结构的气体通道,所述切割结构位于所述壳体结构的所述气体通道内部,且与所述气体通道的内壁密封设置,所述推进剂存储结构固定设置于所述壳体结构的一侧,且用于存储推进剂的部分在所述壳体结构内与所述切割结构配合,所述气体发生结构用于产生高温气体,以推动所述切割结构切割位于所述壳体结构内的所述推进剂存储结构,并由所述限位结构限位,以便推进剂从所述液体介质通道出口流出,同现有技术相比,具有设计合理,安全可靠,提高系统的可靠性。(The invention discloses a liquid starter device and an attitude control power system, which comprise a gas generation structure, a cutting structure, a propellant storage structure and a shell structure; the shell structure has gas passage, liquid medium channel export and limit structure, gas generating structure intercommunication shell structure's gas passage, the cutting structure is located shell structure inside the gas passage, and with gas passage's inner wall seals sets up, propellant storage structure fixed set up in one side of shell structure, and the part that is used for storing propellant is in the shell structure with the cooperation of cutting structure, gas generating structure is used for producing high temperature gas, in order to promote cutting structure cutting is located in the shell structure propellant storage structure, and by limit structure is spacing, so that the propellant follows liquid medium channel export flows, compares with prior art, has reasonable in design, and safe and reliable improves the reliability of system.)
1. A liquid actuator device, characterized by: comprises a gas generating structure, a cutting structure, a propellant storage structure and a shell structure; the shell structure has gas passage, liquid medium channel export and limit structure, gas generating structure intercommunication shell structure's gas passage, the cutting structure is located shell structure inside the gas passage, and be close to gas generating structure's one end with the sealed setting of gas passage's inner wall, propellant storage structure fixed set up in one side of shell structure, and the part that is used for storing propellant is in the shell structure with the cutting structure cooperation, gas generating structure is used for producing high temperature gas, in order to promote cutting structure cutting is located in the shell structure propellant storage structure, and by limit structure is spacing, so that propellant follows the liquid medium channel export flows.
2. The liquid activator device of claim 1, wherein: the gas generating structure is an electric explosion tube, and one end of the shell structure is communicated with the gas channel through the electric explosion tube.
3. The liquid activator device of claim 1, wherein: the cutting structure comprises a main body part, a cutting part and a flow guide part, the propellant storage structure comprises a storage tank, the cutting part is abutted to the bottom of the storage tank, and when the gas generation structure generates high-pressure gas, the cutting part is pushed to move so as to cut the bottom of the storage tank, so that the propellant stored in the storage tank enters the liquid medium channel outlet through the flow guide part.
4. The liquid activator device of claim 3, wherein: the cutting part comprises a channel hole, the flow guide part comprises a first flow guide channel and a second flow guide channel which are arranged along a first direction at intervals in the movement direction of the cutting structure, the first flow guide channel comprises the channel hole, the central lines of the first flow guide channel and the second flow guide channel are positioned on the same straight line, and one end of the bottom of the storage tank is positioned in the channel hole and is tightly attached to the inner wall of the channel hole.
5. The liquid activator device of claim 3, wherein: the appearance of main part both ends is circular structure, and the middle part is close to the storage tank both sides are equipped with the plane of sinking, the plane of sinking with first direction mutually perpendicular.
6. The liquid activator device of claim 1, wherein: propellant storage structure contains storage tank, spring, piston, sealing washer and liquid propellant, the spring, the piston, the sealing washer with liquid propellant is located inside the storage tank, the storage tank is seal structure, the spring both ends are connected respectively the storage tank with the piston, the piston other end is used for sealed liquid propellant, the sealing washer cover is established the piston surface, and with the storage tank internal surface is hugged closely each other, be equipped with the recess on the outward flange of piston, the recess be to the recessed structure of storage tank central direction, the sealing washer is located in the recess, and with the recess is hugged closely each other.
7. The liquid activator device of claim 6, wherein: the storage tank comprises a first storage tank and a second storage tank, the first storage tank and the second storage tank are in cylindrical structures, the diameter of the first storage tank is larger than that of the second storage tank, and the first storage tank is connected with the second storage tank through a circular plate with a through hole.
8. The liquid activator device of claim 1, wherein: the shell structure contains shell main part, goes up protruding post and protruding post down, it is located to go up protruding post and protruding post down the both sides of shell main part, and both central lines are located same straight line, the inboard of going up protruding post is equipped with the internal thread, propellant storage structure is equipped with the external screw thread, propellant storage structure is through its external screw thread screw in the internal thread is fixed in shell structure, protruding post forms down the liquid medium passageway export.
9. The liquid activator device of claim 1, wherein: the limiting structure comprises a cone structure, the cone structure is located on one side of the cutting structure, away from the gas generation structure, the cone structure is fixedly connected with the shell structure, the inner portion of the cone structure is designed to be matched with a cavity structure of the cutting structure, the inner diameter of the cavity structure in the movement direction of the cutting structure is gradually reduced, and therefore the large end of the cone structure is close to the cutting structure, and the small end of the cone structure is away from the cutting structure.
10. An attitude control power system comprising a liquid actuator device as claimed in any one of claims 1 to 9.
Technical Field
The invention relates to the field of liquid rocket fuel gas pressurization power systems, in particular to a liquid starter device and an attitude control power system.
Background
With the rapid development of the aerospace industry, various technologies related to rockets also realize the rapid advance. The starter is used as an important component of the fuel gas pressurization power system and provides initial starting pressure for the fuel gas pressurization power system. At present, solid charge is adopted in a starter, and when the solid charge is combusted, a large amount of solid particles are generated, so that a valve of a power system is blocked, the working reliability of a fuel gas pressurization power system is reduced, and the safe operation of a rocket is influenced.
Therefore, how to provide a starter with reasonable design, safety and reliability to solve the defect that a large amount of solid particles are generated during the operation of the solid starter to cause the blockage of a valve, and the problem to be solved at present is to improve the operational reliability of a gas pressurization power system.
Disclosure of Invention
The invention aims to provide a liquid starter device and an attitude control power system, which have the advantages of reasonable design, safety and reliability, capability of solving the defect that a valve is blocked due to a large amount of solid particles generated by a solid starter during working, improvement on the working reliability of a gas pressurization power system and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a liquid initiator device comprising a gas generating structure, a cutting structure, a propellant storage structure and a housing structure; the shell structure has gas passage, liquid medium channel export and limit structure, gas generating structure intercommunication shell structure's gas passage, the cutting structure is located shell structure inside the gas passage, and be close to gas generating structure's one end with the sealed setting of gas passage's inner wall, propellant storage structure fixed set up in one side of shell structure, and the part that is used for storing propellant is in the shell structure with the cutting structure cooperation, gas generating structure is used for producing high temperature gas, in order to promote cutting structure cutting is located in the shell structure propellant storage structure, and by limit structure is spacing, so that propellant follows the liquid medium channel export flows.
Preferably, the gas generating structure is an electric detonator, and one end of the electric detonator in the shell structure is communicated with the gas channel.
Preferably, the cutting structure comprises a main body part, a cutting part and a diversion part, the propellant storage structure comprises a storage tank, the cutting part is abutted against the bottom of the storage tank, and when the gas generation structure generates high-pressure gas, the cutting part is pushed to move so as to cut the bottom of the storage tank, so that the propellant stored in the storage tank enters the liquid medium channel outlet through the diversion part.
Preferably, the cutting part includes a channel hole, the flow guide part includes a first flow guide channel and a second flow guide channel which are arranged along a first direction and are spaced in a movement direction of the cutting structure, the first flow guide channel includes the channel hole, center lines of the first flow guide channel and the second flow guide channel are located on the same straight line, and one end of the bottom of the storage tank is located in the channel hole and is tightly attached to an inner wall of the channel hole.
Preferably, the main body portion is circular in shape at two ends, and sinking planes are arranged at the middle part of the main body portion and close to two sides of the storage box, and the sinking planes are perpendicular to the first direction.
Preferably, propellant storage structure contains storage tank, spring, piston, sealing washer and liquid propellant, the spring, the piston, the sealing washer with liquid propellant is located inside the storage tank, the storage tank is seal structure, the spring both ends are connected respectively the storage tank with the piston, the piston other end is used for sealed liquid propellant, the sealing washer cover is established the piston surface, and with the storage tank internal surface is hugged closely each other, be equipped with the recess on the outward flange of piston, the recess be to storage tank central direction recessed structure, the sealing washer be located in the recess, and with the recess is hugged closely each other.
Preferably, the tank comprises a first tank and a second tank, the first tank and the second tank are cylindrical in shape, the diameter of the first tank is larger than that of the second tank, and the first tank is connected with the second tank through a circular plate with a through hole.
Preferably, the shell structure contains the shell main part, goes up protruding post and protruding post down, go up protruding post and protruding post down and be located the both sides of shell main part, and both central lines are located same straight line, the inboard of going up protruding post is equipped with the internal thread, propellant storage structure is equipped with the external screw thread, propellant storage structure is through its external screw thread screw in the internal thread is fixed in shell structure, protruding post forms down the liquid medium passageway export.
Preferably, limit structure contains the cone structure, the cone structure is located keeping away from of cutting structure gas generation structure one side, and in shell structure fixed connection, the inside design of cone structure is used for matching the cavity structure of cutting structure, the cavity structure is in the internal diameter on the direction of motion of cutting structure reduces gradually, thereby the main aspects of cone structure are close to cutting structure, and the tip is kept away from cutting structure.
The invention also provides an attitude control power system which comprises the liquid starter device.
Compared with the prior art, the invention has the beneficial effects that: a liquid initiator device comprising a gas generating structure, a cutting structure, a propellant storage structure and a housing structure; the shell structure is provided with a gas channel, a liquid medium channel outlet and a limiting structure, the gas generating structure is communicated with the gas channel of the shell structure, the cutting structure is positioned in the gas channel of the shell structure, one end of the cutting structure, which is close to the gas generating structure, is arranged in a sealing manner with the inner wall of the gas channel, the propellant storage structure is fixedly arranged on one side of the shell structure, a part for storing propellant is matched with the cutting structure in the shell structure, the gas generating structure is used for generating high-temperature gas so as to push the cutting structure to cut the propellant storage structure positioned in the shell structure and is limited by the limiting structure, so that the propellant can flow out from the liquid medium channel outlet, the structure has the advantages of reasonable design, safety and reliability, and a starter takes the liquid propellant as a starting source, the solid starter overcomes the defect that a large amount of solid particles are generated during the operation of the solid starter to cause valve blockage, and has the advantages of improving the working reliability of a fuel gas pressurization power system and the like.
Drawings
FIG. 1 is a schematic structural view of the liquid initiator device in an initial state according to the present invention;
FIG. 2 is a front view of the cutting structure of the present invention;
FIG. 3 is a top view of the cutting structure of the present invention;
FIG. 4 is a perspective view of a cutting structure of the present invention;
FIG. 5 is an enlarged view of the propellant storage structure of the present invention;
FIG. 6 is a front view of the piston of the present invention;
FIG. 7 is a top view of a circular plate of the present invention;
FIG. 8 is a perspective view of the cone structure of the present invention;
FIG. 9 is a schematic diagram of a gas supercharging power system supercharging system.
Description of reference numerals:
1
2
211
221
231 first
3 propellant storage structure 31 tank
311 first reservoir 312 second reservoir
32
331 groove 34 sealing ring
35
41 raised column on
43
432
5 circular plate
Detailed Description
For the purpose of promoting a clear understanding of the objects, aspects and advantages of the embodiments of the invention, reference will now be made to the drawings and detailed description, wherein there are shown in the drawings and described in detail, various modifications of the embodiments described herein, and other embodiments of the invention will be apparent to those skilled in the art.
The exemplary embodiments of the present invention and the description thereof are provided to explain the present invention and 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 sequence, nor are they used to limit the present 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.
The technical scheme provides: as shown in fig. 1, 2 and 5, a liquid initiator device comprises a gas generating structure 1, a
Specifically, the method comprises the following steps: the liquid initiator device is composed of a gas generating structure 1, a
As shown in fig. 1, in order to enable the gas generating structure 1 to generate high temperature quickly, the gas generating structure 1 is designed as an
It is worth mentioning that, as shown in fig. 2, 3 and 4, the cutting
Specifically, in the present embodiment, the cutting
In addition, in order to reduce the weight of cutting
In particular, as shown in figures 5, 6 and 7, the
It is further noted that, for example, in order to facilitate cutting, tank 31 is composed of first tank 311 and second tank 312, first tank 311 has a larger diameter than second tank 312, and first tank 311 is connected to second tank 312 through
It is noted that, as shown in fig. 1 and 5, the
It is further illustrated that, as shown in fig. 1 and 8, the limiting structure comprises a
It should be further noted that when the cutting
As shown in fig. 1 and 9, the working principle is as follows: when the gas pressurization power system needs to be started to work, firstly, the
The invention also provides an attitude control power system which comprises the liquid starter device.
The foregoing is merely 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 principle of the present invention should fall within the protection scope of the present invention.
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