CN218376683U - Igniter for engine test run - Google Patents
Igniter for engine test run Download PDFInfo
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- CN218376683U CN218376683U CN202222576692.7U CN202222576692U CN218376683U CN 218376683 U CN218376683 U CN 218376683U CN 202222576692 U CN202222576692 U CN 202222576692U CN 218376683 U CN218376683 U CN 218376683U
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Abstract
The utility model discloses an engine is some firearm for taking a trial run, including oxidant basin, fuel basin, solenoid valve, injector head, capillary, firer, the injector head is connected respectively to oxidant basin and fuel basin, is provided with the solenoid valve on the pipeline between oxidant basin, fuel basin and the injector head, and the injector head passes through the capillary and connects the firer, engine is taken a trial run and is put firearm still including inflation valve, gas cylinder, and the gas cylinder is connected to the inflation valve, and oxidant basin, fuel basin set up respectively in a gas cylinder. The fuel of the igniter adopts kerosene with added catalyst, and the oxidant adopts high-concentration hydrogen peroxide. Both propellants were green non-toxic propellants which spontaneously ignited when they met, and the ignition delay period was tested to be about 5ns. The igniter can meet the requirement of multiple test runs for ignition under the condition of ensuring safety, and is low in transportation, storage and manufacturing cost.
Description
Technical Field
The utility model relates to a rocket engine research and development technical field especially relates to an engine is tried on a trial and is used some firearm.
Background
At present, the mainstream rocket engines at home and abroad use non-toxic environment-friendly green propellants, such as liquid oxygen, liquid methane, liquid hydrogen and space kerosene. The oxidizer of the green propellant meets the fuel and can not spontaneously combust, and a special igniter is needed to ignite the green propellant and the fuel to enable the two propellants to be combusted.
There are two common rocket engine igniters, one is a solid propellant type igniter and the other is a torch type igniter. In the ground development stage of the engine, the solid powder type igniter is mainly used for trial run of the engine, so that data acquisition is researched.
The solid gunpowder type igniter is one kind of initiating explosive, and has strict transportation and storage regulations, and may be used only after applying corresponding qualification, and has high transportation and storage cost. And the manufacturing cost of the solid powder igniter is high, one solid powder type igniter is nearly 20 ten thousand yuan, the igniter can be used only once, and when the test run is frequent, the transportation, storage and manufacturing cost of the solid powder type igniter bring much trouble and cost to the test run of the engine.
Disclosure of Invention
The utility model discloses to prior art's not enough, develop an engine for taking a trial run and use some firearm, this some firearm can satisfy the demand that the taking a trial run was igniteed many times under the circumstances of guarantee safety, and transport, deposit, low in manufacturing cost.
The utility model provides a technical problem's technical scheme does: the embodiment of the utility model provides an engine is some firearm for taking a trial run, including oxidant basin, fuel basin, solenoid valve, injector head, capillary, firer, the injector head is connected respectively to oxidant basin and fuel basin, is provided with the solenoid valve on the pipeline between oxidant basin, fuel basin and the injector head, and the injector head passes through the capillary and connects the firer, engine is taken a trial run and is put firearm still including inflation valve, gas cylinder, and the gas cylinder is connected to the inflation valve, and oxidant basin, fuel basin set up respectively in a gas cylinder.
Preferably, the oxidant storage tank stores high-concentration hydrogen peroxide, and the fuel storage tank stores kerosene with a catalyst added.
Preferably, the catalyst is manganese chloride.
Preferably, the oxidant storage tank and the fuel storage tank are made of telescopic stainless steel.
Preferably, the oxidant storage tank and the fuel storage tank are made of spring steel.
Preferably, the injection head is provided with two inlets and at least two groups of outlets, the two inlets are respectively connected with the oxidant storage tank and the fuel storage tank, each inlet is respectively connected with one group of outlets, each group of outlets is provided with at least two groups of outlets which are distributed in a crossed manner, and each outlet corresponds to one capillary.
Preferably, the tank walls of the longitudinal interfaces of the oxidant storage tank and the fuel storage tank are wavy.
Preferably, the bottoms of the oxidant storage tank and the fuel storage tank are circular.
The effects provided in the contents of the present invention are only the effects of the embodiments, not all the effects of the present invention, and the above technical solution has the following advantages or advantageous effects:
1. the fuel of the igniter adopts kerosene added with a catalyst, and the oxidant adopts high-concentration hydrogen peroxide. Both propellants were green non-toxic propellants which spontaneously ignited when they met, and the ignition delay period was tested to be about 5ns. The igniter can meet the requirement of multiple test runs for ignition under the condition of ensuring safety, and is low in transportation, storage and manufacturing cost.
2. The oxidant storage tank and the fuel storage tank are made of telescopic stainless steel, so that the storage tanks have the capability of compression and deformation and good compatibility with the propellant, and the long-term safe and repeated use of the device can be ensured.
3. The tank walls provided with the longitudinal interfaces of the oxidant storage tank and the fuel storage tank are wavy, and the bottoms of the tank walls are circular, so that the compressible deformation capacity of the storage tank is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Figure 2 is a schematic diagram of the internal structure of one embodiment of the injector head.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention. The terms "central," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used merely to facilitate describing the invention and to simplify the description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. The terms "mounted," "connected," and "connected" are to be construed broadly and may be fixed or removable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1, fig. 2 are an embodiment of the utility model, as shown in the figure, an engine is tried on a trial run and is used some firearm, including oxidant basin 3, fuel basin 4, solenoid valve 5, injector 6, capillary 7, firearm 8, oxidant basin 3 and fuel basin 4 are connected injector 6 respectively, are provided with solenoid valve 5 on the pipeline between oxidant basin 3, fuel basin 4 and the injector 6, and injector 6 passes through capillary 7 and connects firearm 8, engine is tried on a trial run and is used some firearm still including inflation valve 1, gas cylinder 2, and gas cylinder 2 is connected to inflation valve 1, and oxidant basin 3, fuel basin 4 set up respectively in a gas cylinder 2.
Before use, the oxidant storage tank 3 and the fuel storage tank 4 are filled with the oxidant and the fuel, and then the gas cylinder 2 is pressurized to a specified pressure through the charging valve 1. The igniter can be installed on a rocket engine for use. According to the time sequence, the ignition starting time and the time length can be controlled through the electromagnetic valve 5. The fuel adopts kerosene with added catalyst, and the oxidant adopts high-concentration hydrogen peroxide. Both propellants were green non-toxic propellants which spontaneously ignited when they met, and the ignition delay period was tested to be about 5ns. The igniter can meet the requirement of multiple test runs for ignition under the condition of ensuring safety, and is low in transportation, storage and manufacturing cost.
The oxidant storage tank 3 stores high-concentration hydrogen peroxide, and the fuel storage tank 4 stores kerosene with a catalyst added. The catalyst is manganese chloride. The oxidant storage tank 3 and the fuel storage tank 4 are made of stainless steel which can be stretched. The oxidant storage tank 3 and the fuel storage tank 4 are preferably made of spring steel. The tank walls of the longitudinal interfaces of the oxidant storage tank 3 and the fuel storage tank 4 are wave-shaped. The bottoms of the oxidant storage tank 3 and the fuel storage tank 4 are circular.
The tank walls of the longitudinal interfaces of the oxidant storage tank 3 and the fuel storage tank 4 are wavy, and the bottoms of the tank walls are circular, so that the compressible deformation capacity of the storage tanks is improved. The oxidant storage tank 3 and the fuel storage tank 4 are made of telescopic stainless steel, so that the storage tanks have the capability of compression and deformation and good compatibility with the propellant, and the long-term safe and repeated use of the device can be ensured.
When the device is used, the electromagnetic valve 5 is controlled to be opened, the storage tank deforms under the pressure of the gas cylinder 2, so that liquid inside the extrusion enters the injection head 6 through the electromagnetic valve 5 and enters the igniter 8 through the capillary 7, kerosene added with a catalyst and high-concentration hydrogen peroxide meet spontaneous combustion in the igniter 8, and an ignition effect is achieved. After multiple verification, the flame temperature of the igniter is 2000K, the flame length is 120mm, and the accumulated ignition is carried out for 10-12 s.
As shown in fig. 2, the injector head 6 has two inlets and two sets of outlets, the two inlets are respectively connected with the oxidant storage tank 3 and the fuel storage tank 4, each inlet is respectively connected with one set of outlets, each set of outlets has four outlets, the two sets of outlets are distributed in a cross way, and each outlet corresponds to one capillary 7. Through setting up two sets of export cross distribution, can improve the degree of mixing of oxidant and fuel, improve combustion efficiency.
Although the specific embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the specific embodiments, and various modifications or variations that can be made by those skilled in the art without creative efforts are still within the scope of the present invention.
Claims (8)
1. The utility model provides an engine is some firearm for taking a trial run, includes oxidant basin (3), fuel basin (4), solenoid valve (5), injector (6), capillary (7), firearm (8), injector (6) are connected respectively in oxidant basin (3) and fuel basin (4), are provided with solenoid valve (5) on the pipeline between oxidant basin (3), fuel basin (4) and injector (6), and injector (8) are connected through capillary (7) in injector (6), characterized by: the igniter for engine test run further comprises an inflation valve (1) and a gas cylinder (2), wherein the inflation valve (1) is connected with the gas cylinder (2), and the oxidant storage tank (3) and the fuel storage tank (4) are respectively arranged in the gas cylinder (2).
2. The igniter as claimed in claim 1, wherein the oxidizer tank (3) stores high concentration hydrogen peroxide and the fuel tank (4) stores kerosene with catalyst added thereto.
3. The igniter as claimed in claim 2, wherein the catalyst is manganese chloride.
4. An engine test run igniter as claimed in claim 1, wherein said oxidizer tank (3) and said fuel tank (4) are made of stainless steel which is stretchable.
5. An engine test run igniter as claimed in claim 4, wherein said oxidizer tank (3) and said fuel tank (4) are made of spring steel.
6. An engine test run igniter as claimed in claim 1 wherein said injector head (6) has two inlets and two sets of outlets, the two inlets are connected to the oxidant tank (3) and the fuel tank (4) respectively, each inlet is connected to a set of outlets respectively, at least two outlets of each set are arranged in a cross, and each outlet corresponds to a capillary (7).
7. The igniter as claimed in claim 1, wherein the tank wall at the longitudinal boundary of said oxidizer tank (3) and said fuel tank (4) is wavy.
8. The igniter as claimed in claim 1, wherein the bottoms of the oxidizer storing tank (3) and the fuel storing tank (4) are rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576692.7U CN218376683U (en) | 2022-09-28 | 2022-09-28 | Igniter for engine test run |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576692.7U CN218376683U (en) | 2022-09-28 | 2022-09-28 | Igniter for engine test run |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218376683U true CN218376683U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222576692.7U Active CN218376683U (en) | 2022-09-28 | 2022-09-28 | Igniter for engine test run |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218376683U (en) |
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2022
- 2022-09-28 CN CN202222576692.7U patent/CN218376683U/en active Active
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