CN210919248U - Self-pressurization power system of electric pump - Google Patents
Self-pressurization power system of electric pump Download PDFInfo
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- CN210919248U CN210919248U CN201921888756.9U CN201921888756U CN210919248U CN 210919248 U CN210919248 U CN 210919248U CN 201921888756 U CN201921888756 U CN 201921888756U CN 210919248 U CN210919248 U CN 210919248U
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Abstract
The utility model relates to an electric pump self-pressurization power system, which comprises a pressurization fuel storage tank, an electric pump and a fuel gas generator which are connected in sequence, wherein one side of the electric pump close to the pressurization fuel storage tank is provided with an electric explosion valve, the fuel gas generator is respectively connected with an oxidant storage tank, a fuel storage tank and a plurality of engines through a non-return combination valve, the oxidant storage tank and the fuel storage tank are both communicated with the engines, and the engines are both connected with a control cable; and electric explosion combination valves are arranged among the oxidant storage tank, the fuel storage tank and the check combination valve, and electric explosion combination valves and filters are arranged among the oxidant storage tank, the fuel storage tank and the engine. The electric pump is electrified through the controller, and the outlet of the fuel gas generator is provided with a pressure sensor for measuring pressure as reference data of pressurization. The utility model has the advantages that, the security is high, the quality is light, the long-term storability of prepackage is good.
Description
Technical Field
The utility model belongs to the technical field of driving system, concretely relates to electric pump is from pressure boost driving system.
Background
The existing attitude and orbit control power system usually adopts a high-pressure gas constant-pressure extrusion pressurization mode. High-pressure gas is stored in a metal or composite material gas cylinder, the main storage tank propellant is pressurized after the pressure is reduced by a pressure reducing valve, and the flow and the pressure are stable in the working process of the engine.
The pressure of the high-pressure gas cylinder is generally more than three hundred atmospheres, the high-pressure gas cylinder is sensitive to extrusion and collision, the destructive power is approximately equivalent to 10kgTNT explosion power after being damaged by external force, and the safety and the use maintainability are poor in the daily storage process. In addition, the high-pressure gas cylinder needs to be detected regularly (every 2-3 years) in the long-term storage process, hidden dangers are eliminated in advance, and the maintenance rate and the maintenance cost are high.
Therefore, the novel supercharging power system focuses on seeking breakthrough in safety, quality and use maintainability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide a high, the quality is light, the good motor pump of long-term storage nature of prepackage is from pressure boost driving system.
In order to achieve the above object, the utility model provides a following technical scheme:
the electric pump self-boosting power system comprises a boosting fuel storage tank, an electric pump and a fuel gas generator which are sequentially connected, wherein an electric explosion valve is arranged on one side, close to the boosting fuel storage tank, of the electric pump, the fuel gas generator is respectively connected with an oxidant storage tank, the fuel storage tank and a plurality of engines through check combined valves, the oxidant storage tank and the fuel storage tank are communicated with the engines, and the engines are all connected with control cables.
Furthermore, electric explosion combination valves are arranged among the oxidant storage tank, the fuel storage tank and the check combination valve, and electric explosion combination valves and filters are arranged among the oxidant storage tank, the fuel storage tank and the engine.
Furthermore, the electric pump is electrified through a controller, and a pressure sensor is arranged at the outlet of the fuel gas generator and used for measuring pressure as reference data of pressurization.
Further, the engine is provided with a control valve.
Furthermore, the self-pressurization power system of the electric pump also comprises a plurality of guide pipes and a flow limiting ring.
Compared with the prior art, the beneficial effects of the utility model reside in that:
compared with the obvious defects of heavy system dry weight, poor safety, need of regular detection in long-term storage and the like of a constant-pressure extrusion power system in the prior art; the utility model discloses electric pump is from pressure boost driving system security height, light in weight, the long-term storage nature of prepackage is good, the technique is advanced, for our country next generation novel aircraft high thrust attitude and orbit accuse integration driving system first-selected scheme.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only for the purpose of more clearly illustrating the embodiments of the present invention or the technical solutions in the prior art, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative efforts.
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-a pressurized fuel storage tank, 2-an electric explosion valve, 3-an electric pump, 4-a gas generator, 5-an oxidant storage tank, 6-a fuel storage tank, 7-an engine, 8-a check combination valve, 9-an electric explosion combination valve, 10-a control cable, 11-a filter, 12-a controller and 13-a pressure sensor.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described with reference to the following specific embodiments, which are provided as illustration only and are not intended to limit the present invention.
An electric pump self-boosting power system as shown in fig. 1 comprises the following main components: the system comprises an engine 7, a gas generator 4, a pressure sensor, an electric pump 3, a controller 12, a pressure sensor 13, an oxidant storage tank 5, a fuel storage tank 6, a check combination valve 8, an electric explosion combination valve 9, a control cable 10, an electric explosion valve 2 and general assembly straight parts (comprising a conduit, a flow limiting ring, a filter 11 and the like). The electric pump 3 is provided with an electric explosion valve 2 at one side close to the pressurizing fuel storage tank 1, the gas generator 4 is respectively connected with an oxidant storage tank 5, a fuel storage tank 6 and a plurality of engines 7 through a non-return combined valve 8, the oxidant storage tank 5 and the fuel storage tank 6 are both communicated with the engines 7, and the engines 7 are both connected with a control cable 10. The engine 7 is provided with a control valve.
And electric explosion combination valves 9 are arranged among the oxidant storage tank 5, the fuel storage tank 6 and the check combination valve 8, and the electric explosion combination valves 9 and filters 11 are arranged among the oxidant storage tank 5, the fuel storage tank 6 and the engine 7. The oxidant of the utility model can adopt MON-3 and HNO3And the fuel can adopt methyl hydrazine, unsym-dimethylhydrazine and the like, and the pressurized fuel can adopt anhydrous hydrazine, hydrazine-70 and the like.
The electric pump 3 is powered on by a controller 12, and a pressure sensor 13 is arranged at the outlet of the gas generator 4 and used for measuring pressure as reference data of pressurization.
The utility model discloses a main theory of operation does:
a. the power system receives a starting instruction, the electric explosion valve 2 is electrified and detonated, the pressurizing fuel storage tank 1 is communicated with the electric pump 3, the gas generator 4 is communicated with the oxidant storage tank 5/the fuel storage tank 6, and the oxidant storage tank 5 and the fuel storage tank 6 are communicated with the engine 7;
b. the controller 12 is used for electrifying the electric pump 3, pressurizing the pressurized fuel in the storage tank and conveying the pressurized fuel to the fuel gas generator 4, and the high-pressure fuel gas after catalytic decomposition of the pressurized fuel is synchronously pressurized into the oxidant storage tank 5 and the fuel storage tank 6; when the pressure measured by the pressure sensor 13 at the outlet of the gas generator 4 reaches the preset upper limit P1 for pressurization, the controller 12 controls the electric pump 3 to be powered off and stop working;
c. when the engine 7 receives a working instruction, the control valve is electrified and opened, and the propellant enters the thrust chamber to be atomized and combusted to generate forward thrust; when the pressure measured by the pressure sensor 13 at the outlet of the gas generator 4 reaches the preset pressurization lower limit P2, the controller 12 controls the electric pump 3 to restart, so that the gas generator 4 continuously pressurizes the storage tank, and continuous and stable propellant supply is ensured to be provided in the working process of the engine 7;
d. when the engine 7 receives a shutdown command, the control valve is powered off and closed; after the pressure measured by the pressure sensor 13 at the outlet of the gas generator 4 reaches the preset upper pressure-increasing limit P1, the controller 12 controls the electric pump 3 to be powered off and stopped.
Constant voltage extrusion driving system with the utility model discloses electric pump is compared from pressure boost driving system, main merit shortcoming as follows:
TABLE 1 comparison of constant pressure extrusion power system and self-boosting power system of electric pump
Table 1 above compares in detail the advantages and disadvantages of the constant pressure squeezing power system and the electric pump self-boosting power system in the aspects of multi-start operation characteristics, system dry weight, start-up and shutdown response characteristics, safety, economy and attitude and orbit control integrated design.
The following conclusions were drawn from the comparative analysis described above:
the constant-pressure extrusion power system has the obvious defects of heavy system dry weight, poor safety, need of regular detection in long-term storage and the like;
the utility model discloses electric pump is from pressure boost driving system security height, light in weight, the long-term storage nature of prepackage is good, the technique is advanced, for our country next generation novel aircraft high thrust attitude and orbit accuse integration driving system first-selected scheme.
Possible alternatives:
differential storage tank turbocharging system can realize the utility model discloses similar function, but system configuration is complicated, application scope is narrow, and long-term use maintainability with the utility model discloses have certain gap.
The utility model discloses a key point and protection point lie in: the principle and feedback mechanism of the electric pump self-boosting power system.
The present invention is not described in detail in the prior art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an electric pump is from pressure boost driving system, its characterized in that, including pressure boost fuel storage tank (1), electric pump (3), gas generator (4) that connect gradually, one side that electric pump (3) are close to pressure boost fuel storage tank (1) is equipped with electric explosion valve (2), gas generator (4) are connected oxidant storage tank (5), fuel storage tank (6) and a plurality of engine (7) respectively through non return combination valve (8), oxidant storage tank (5), fuel storage tank (6) all communicate with engine (7), engine (7) all connect control cable (10).
2. The electric pump self-pressurization power system according to claim 1, characterized in that an electric explosion combination valve (9) is arranged among the oxidant storage tank (5), the fuel storage tank (6) and the check combination valve (8), and an electric explosion combination valve (9) and a filter (11) are arranged among the oxidant storage tank (5), the fuel storage tank (6) and the engine (7).
3. An electric pump self-supercharging power system according to claim 1, characterized in that the electric pump (3) is energized by a controller (12), and the gas generator (4) outlet is provided with a pressure sensor (13) for measuring pressure as a reference data for supercharging.
4. An electric pump self-supercharging power system according to claim 1, characterized in that the engine (7) is provided with a control valve.
5. The electric pump self-pressurization power system according to any one of claims 1 to 4, further comprising a plurality of conduits and a flow restriction ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888756.9U CN210919248U (en) | 2019-11-05 | 2019-11-05 | Self-pressurization power system of electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888756.9U CN210919248U (en) | 2019-11-05 | 2019-11-05 | Self-pressurization power system of electric pump |
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| Publication Number | Publication Date |
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| CN210919248U true CN210919248U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921888756.9U Active CN210919248U (en) | 2019-11-05 | 2019-11-05 | Self-pressurization power system of electric pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761902A (en) * | 2019-11-05 | 2020-02-07 | 西安中科宇航动力技术有限公司 | Self-pressurization power system of electric pump |
| CN112412660A (en) * | 2020-12-03 | 2021-02-26 | 西安航天动力研究所 | Space power system combining extrusion and electric pump auxiliary pressurization |
-
2019
- 2019-11-05 CN CN201921888756.9U patent/CN210919248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761902A (en) * | 2019-11-05 | 2020-02-07 | 西安中科宇航动力技术有限公司 | Self-pressurization power system of electric pump |
| CN112412660A (en) * | 2020-12-03 | 2021-02-26 | 西安航天动力研究所 | Space power system combining extrusion and electric pump auxiliary pressurization |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20221213 Address after: 710000 Room 5203, Building 5, China Putian Xi'an Industrial Park, No. 456 Hangteng Road, Xi'an National Civil Aerospace Industrial Base, Shaanxi Province Patentee after: Xi'an Zhongke Yudong Power Technology Co.,Ltd. Address before: Room 908, 9 / F, Zhongchuang Plaza, 385 Hangtian Middle Road, Xi'an national civil aerospace industry base, Shaanxi 710000 Patentee before: Xi'an Zhongke Aerospace Power Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230809 Address after: 1101, 11th Floor, Building 6, No. 18, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100000 Patentee after: Beijing Zhongke Aerospace Technology Co.,Ltd. Address before: 710000 Room 5203, Building 5, China Putian Xi'an Industrial Park, No. 456 Hangteng Road, Xi'an National Civil Aerospace Industrial Base, Shaanxi Province Patentee before: Xi'an Zhongke Yudong Power Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |