CN104806381B - Solid-liquid rocket lighter and head outlet method thereof - Google Patents
Solid-liquid rocket lighter and head outlet method thereof Download PDFInfo
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- CN104806381B CN104806381B CN201510158237.7A CN201510158237A CN104806381B CN 104806381 B CN104806381 B CN 104806381B CN 201510158237 A CN201510158237 A CN 201510158237A CN 104806381 B CN104806381 B CN 104806381B
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- reducing sleeve
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Abstract
The open a kind of solid-liquid rocket lighter of the present invention and head outlet method thereof, wherein, lighter includes lighter box body, lighter threaded collar, ignition charge.Lighter box body uses with lighter threaded collar threadeds, and seal washer seals, and is internally formed toroidal cavity, for filling point gunpowder.Solid-liquid rocket lighter head outlet method of the present invention is, uses lighter seal head to use with lighter reducing sleeve and threadeds；Lighter reducing sleeve uses with spray panel threadeds.Go between the igniter material in the gunpowder of insertion point, one end by lighter, gets angry hole from lighter box body and draws, draws electromotor via the wire guide of lighter box body, lighter reducing sleeve endoporus, lighter seal head.Advantages of the present invention is: igniter structure is reasonable；It is long that head outlet method can greatly shorten lighter lead-in wire, it is to avoid the disconnection problem of lighter lead-in wire after lighter work, reduces lighter and causes wiring difficulty, improves the reliability of lighter work.
Description
Technical field
The present invention relates to a kind of rocket igniter, it is proposed that a kind of brand-new solid-liquid rocket lighter draws
The outlet method of line, it is adaptable to the ignition trigger of solid-liquid rocket, is particularly suited for the high null point of solid-liquid rocket
Fire.
Background technology
Solid-liquid rocket uses liquid oxidizer and solid fuel, structurally had both liquid-propellant rocket engine and
The common feature of solid propellant rocket, have that safety is good, thrust regulation easily, the feature of environmental protection is good, powder column good stability, temperature
Sensitivity is low and the advantage such as good economy performance, can be used for sounding rocket, target missile, tactical missile etc..
Lighter technology is one of key technology of rocket engine.Liquid-propellant rocket engine generally has repeatedly start to want
Asking, in addition to spontaneous ignition, common mode has the multiple pyrotechnic igniters of employing or is provided with the extra igniting that can repeatedly start
System；The former is typically column structure, is installed on outside the combustor of electromotor, and flame lighter produced by leading flame tube draws
Enter combustor；And the latter's structure is complicated.Solid propellant rocket typically can not realize repeatedly ignition trigger, and conventional is all to use
The mode of igniter pad or igniter motor is lighted a fire, and is usually mounted to engine combustion indoor, most use columns or
Annulus etc. can burn structure, the combustion gas alignment solid propellant grain surface injection that lighter produces.
Equipped with ignition charge inside solid lighter, ignition charge is made up of igniter material and solid propellant.Spark ignition
Igniter material, produces high-temperature fuel gas and lights solid propellant, and solid propellant produces high-temperature fuel gas heating atomization and decomposes main starting
Machine propellant, ignition engine.
Solid-liquid rocket lighter lead-in wire is typically drawn by jet pipe, after engine ignition, goes between longer, makees in combustion gas
Under with when nozzle throat spray, jet pipe may be had a certain impact.In aircraft engines, electric equipment is typically at electromotor
Head, uses throat's outlet method, and lighter is long, and igniting reliability reduces, and increases electromotor passiveness quality.Aircraft engines
Installing cable space little, lighter lead-in wire connects up trouble, and after lighter end-of-job, lead-in wire effectively disconnects design comparison again
Miscellaneous.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of rational in infrastructure, solid-liquid rocket lighter that reliability is high and
Its head outlet method.
Solid-liquid rocket lighter of the present invention, including lighter threaded collar, lighter box body and ignition charge, fixing peace
It is contained on solid-liquid rocket spray panel, between spray panel and powder column.
Wherein, lighter threaded collar is enclosed within annular igniter box body outer wall, is threadably secured between the two, makes to be internally formed
Toroidal cavity, is used for holding the ignition charge being made up of fuel, oxidant with igniter material；It is further opened with a little in lighter threaded collar
There is hole in firearm lead-in wire；Have fire output hole in lighter box body circumference to connect with cavity；The internal ring wall of lighter box body is laid
There is band, by band, fire output hole is sealed.
There is method in the head of described solid-liquid rocket lighter, is realized by following method:
Step 1: existing solid-liquid rocket head is transformed, including:
1) lighter reducing sleeve and seal head are increased；Lighter reducing sleeve axially on there is lead channels, top have with
The seal head installing hole that lead channels communicates；Seal head is fixedly mounted in seal head installing hole；
2) on skull with spray panel, correspondence position has screwed hole, forms overall reducing sleeve installing hole；And spray face
Screwed hole on plate has ledge structure；Lighter reducing sleeve is screwed and is arranged in reducing sleeve installing hole；Turn at lighter
After female connector installs, make the lead channels on lighter reducing sleeve, with the lighter lead-in wire in lighter threaded collar, Kong Lian occur
Logical；
3) red copper gasket seal is set between lighter reducing sleeve and spray panel screwed hole；
Step 2: being gone between by lighter in the igniter material of one end embedment ignition charge, the other end is gone between by range points firearm
A near fire output hole is drawn, subsequently via lead channels and the seal head installing hole of lighter reducing sleeve after, with seal head
Lead-in wire one end is wound around insulating tape after colding pressing and fixes；
Step 3: the lead-in wire other end of seal head is drawn electromotor by engine head.
It is an advantage of the current invention that:
1, lighter of the present invention is close to spray panel and is installed, after liquid oxidizer spray can quick heated oxide, start
Machine starts rapidly；
2, lighter of the present invention makes lagging casing by adiabator, it is to avoid lighter is to panel excess heat conduction, fall
The danger of liquid oxidizer explosive decomposition in low head cavity；
3, lighter of the present invention makes lagging casing by adiabator, decreases heat losses, by getting angry hole injection
High-temperature fuel gas, improves the capacity usage ratio of ignition charge；
4, lighter of the present invention use adiabator cladding lighter box body, lighter burning after, do not have fragment damage or
The danger of blocking engine nozzle, improves the reliability of rocket engine work；
5, the head outlet method of solid-liquid rocket lighter of the present invention, can greatly shorten lighter lead-in wire
Long, it is to avoid the disconnection problem of lighter lead-in wire after lighter work, reduce lighter and cause wiring difficulty, improve lighter work
Reliability；
6, the head outlet method of solid-liquid rocket lighter of the present invention, it is to avoid electromotor outside wall surface connects up, reduces
The complexity of solid-liquid rocket design；
7, the head outlet method of solid-liquid rocket lighter of the present invention, it is to avoid electromotor outside wall surface connects up, and alleviates
The passive quality of solid-liquid rocket.
Accompanying drawing explanation
Fig. 1 is solid-liquid rocket igniter structure schematic diagram of the present invention and head outlet method schematic diagram.
In figure:
1-lighter threaded collar 2-lighter box body 3-ignition charge 4-lighter goes between
5-spray panel 6-skull 7-fire output hole 8-lighter lead-in wire wire hole
9-lighter reducing sleeve 10-seal head 11-lead channels 12-seal head installing hole
Detailed description of the invention
The present invention is described further below in conjunction with the accompanying drawings
Solid-liquid rocket lighter of the present invention, including lighter threaded collar 1, lighter box body 2 and ignition charge 3, uses
In the ignition trigger of solid-liquid rocket, it is fixedly mounted on solid-liquid rocket spray panel 5, is positioned at spray panel 5
And between powder column.
Wherein, lighter threaded collar 1 is for having female circulus；Lighter box body 2 is for having externally threaded ring
Shape structure, and offer annular groove in lighter box body 2 outer shroud wall circumference.Lighter box body 2 and lighter threaded collar 1
It is nested, is positioned at lighter threaded collar 1, and by the female thread in lighter threaded collar 1 and the external screw thread on lighter box body 2
Matching thread connects；And then by lighter threaded collar 1 internal ring wall, the annular groove on lighter box body 2 is closed, formed
Cavity, is used for holding ignition charge 3.Ignition charge 3 is containing fuel, oxidant and igniter material；Igniter material draws under the function of current
Burning-point pyrophoric ignition.Ignition charge 3 mass can be adjusted according to the pressure of the flow of oxidant and combustor, it is ensured that oxidant
Reliable ignition rapid with fuel.Above-mentioned lighter threaded collar 1 and lighter box body 2 all use carbon steel material to make, and lighter
It is further opened with lighter lead-in wire in threaded collar 1 and hole 8 occurs.
In lighter box body 2 internal ring wall circumference, uniform fire output hole 7 connects with cavity.Fire output hole 7 is used for spraying combustion gas, makes
The energy of igniter fuel concentrates release in engine chamber front end, makes the liquid oxidizer atomization of spray decompose.
The internal ring wall of lighter box body 2 is equipped with band, is sealed by fire output hole 7 by band, prevents lighter
In transport, installation process, ignition charge is revealed or rotten.During lighter work, band loses under high-temperature high-pressure fuel gas effect
Effect, igniting combustion gas, through fire output hole 7, sprays into chamber front end.Band generally uses masking foil.
In the present invention, lighter is by 27V voltage starting, and after lighter lead-in wire 4 energising, lighter is started working, lead fire
Igniter material in medicine 3, igniter material rapidly burn generation high-temperature fuel gas light fuel, fuel gas breaks through band, by going out
Fire hole sprays；After starting a period of time, liquid oxidizer sprays into combustor from head cavity (cavity volume between skull 6 and spray panel 5),
Under the effect of igniting combustion gas, atomization is decomposed, and starts burning with powder column after contacting, and electromotor normally starts.
It is high that said structure lighter starts energy, and rapidly, engine ignition postpones little in energy release, and remodeling lighter is greatly
When flow solid-liquid rocket starts, ignition delay time is less than 1s.
For a kind of head outlet method of said structure lighter, concrete mode is as follows:
Step 1: existing solid-liquid rocket head is transformed, including:
1) for realizing head appearance, parts lighter reducing sleeve 9 and seal head 10 are increased；On lighter reducing sleeve 9 is axial
Having lead channels 11, top has the seal head installing hole 12 identical with lead channels 11；Seal head 10 is fixedly mounted on close
In end socket installing hole 12, positioned with seal head installing hole circumference upper inner platform shoulder respective outer side edges by between outer land shoulder structure in circumference, and
Non-metallic gasket is installed between inside and outside shoulder seal；
2) being the installation realizing lighter reducing sleeve 9, on skull 6 with spray panel 5, correspondence position has screwed hole, shape
Integral reducing sleeve installing hole；And the screwed hole on spray panel 5 has ledge structure；Lighter reducing sleeve is screwed installation
In reducing sleeve installing hole, and design shoulder, respectively with skull 6 and the Step-edge Junction of spray panel 5 upper screwed hole by circumference
Structure coordinates, it is achieved location.After lighter reducing sleeve 9 installs, make the lead channels 11 on lighter reducing sleeve 9 and igniting
Lighter lead-in wire in device threaded collar 1 occurs that hole 8 connects；
3) between the ledge structure of the shoulder on lighter reducing sleeve 9 and spray panel 5 upper screwed hole, red copper pad is set
Seal；
Above-mentioned lighter reducing sleeve uses carbon steel material to make.
Step 2: being gone between by lighter in the igniter material of 4 one end embedment ignition charges 3, the other end is gone between by range points firearm
4 nearest one go out fire passage and draw, the most successively via lead channels 11 and the seal head installing hole 12 of lighter reducing sleeve 9
After, it is wound around insulating tape after colding pressing with lead-in wire one end of seal head 10 and fixes.
Step 3: the lead-in wire other end of seal head 10 is drawn electromotor by engine head.
By above-mentioned head outlet, can greatly shorten the length of lighter lead-in wire 4, it is to avoid light a fire after lighter work
The disconnection problem of device lead-in wire 4, reduces lighter and causes wiring difficulty, improve the reliability of lighter work.
Claims (1)
1. the head outlet method of solid-liquid rocket lighter, wherein solid-liquid rocket lighter includes: lighter
Threaded collar, lighter box body and ignition charge, be fixedly mounted on solid-liquid rocket spray panel, be positioned at spray panel and medicine
Between post；Lighter threaded collar is enclosed within annular igniter box body outer wall, is threadably secured between the two, makes to be internally formed annular empty
Chamber, is used for holding the ignition charge being made up of fuel, oxidant with igniter material；It is further opened with lighter in lighter threaded collar to draw
Line wire hole；Have fire output hole in lighter box body circumference to connect with cavity；The internal ring wall of lighter box body is equipped with sealing
Band, is sealed fire output hole by band；It is characterized in that: realized by following method:
Step 1: existing solid-liquid rocket head is transformed, including:
1) lighter reducing sleeve and seal head are increased；Having lead channels on lighter reducing sleeve is axial, top has and lead-in wire
The seal head installing hole that passage communicates；Seal head is fixedly mounted in seal head installing hole；
2) on skull with spray panel, correspondence position has screwed hole, forms overall reducing sleeve installing hole；And on spray panel
Screwed hole there is ledge structure；Lighter reducing sleeve is screwed and is arranged in reducing sleeve installing hole；At lighter reducing sleeve
After installing, the lead channels on lighter reducing sleeve is made to connect with the lighter lead-in wire wire hole in lighter threaded collar；
3) red copper gasket seal is set between lighter reducing sleeve and spray panel screwed hole；
Step 2: being gone between by lighter in the igniter material of one end embedment ignition charge, the other end is nearest by range points firearm lead-in wire
One fire output hole is drawn, subsequently via lead-in wire one with seal head after lead channels and the seal head installing hole of lighter reducing sleeve
End is wound around insulating tape after colding pressing and fixes；
Step 3: the other end of the lead-in wire of seal head is drawn electromotor by engine head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510158237.7A CN104806381B (en) | 2015-04-03 | 2015-04-03 | Solid-liquid rocket lighter and head outlet method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510158237.7A CN104806381B (en) | 2015-04-03 | 2015-04-03 | Solid-liquid rocket lighter and head outlet method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806381A CN104806381A (en) | 2015-07-29 |
| CN104806381B true CN104806381B (en) | 2017-01-04 |
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| CN201510158237.7A Active CN104806381B (en) | 2015-04-03 | 2015-04-03 | Solid-liquid rocket lighter and head outlet method thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804889B (en) * | 2016-02-04 | 2018-05-18 | 北京航空航天大学 | Solid-liquid igniter motor, which is repeatedly catalyzed, starts sustainer method and its ignition control device |
| CN106194501A (en) * | 2016-07-08 | 2016-12-07 | 北京航空航天大学 | Spiral Types of Medicine solid-liquid rocket |
| CN106050476B (en) * | 2016-07-11 | 2018-06-05 | 湖北三江航天江河化工科技有限公司 | A kind of liquid-propellant rocket engine igniter and its ignition method |
| CN106121864A (en) * | 2016-07-22 | 2016-11-16 | 北京航空航天大学 | A kind of head body portion combines multizone and is centrifuged spray solid-liquid rocket |
| CN108639391B (en) * | 2018-07-06 | 2021-12-07 | 湖北三江航天红林探控有限公司 | Gas generator for rapid actuation |
| CN110985240A (en) * | 2019-11-25 | 2020-04-10 | 上海新力动力设备研究所 | Ignition device suitable for end fuel column and assembling method |
| CN113958426B (en) * | 2021-10-27 | 2023-03-21 | 西安航天动力研究所 | Thrust chamber scale test device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6679049B2 (en) * | 2002-01-22 | 2004-01-20 | Hy Pat Corporation | Hybrid rocket motor having a precombustion chamber |
| US9273635B2 (en) * | 2012-03-29 | 2016-03-01 | The Aerospace Corporation | Hypergolic hybrid motor igniter |
| CN102996284B (en) * | 2012-11-27 | 2015-02-25 | 北京航空航天大学 | Solid-liquid rocket engine annular igniter suitable for head jet of hydrogen peroxide |
| CN103644047B (en) * | 2013-11-21 | 2015-09-23 | 北京动力机械研究所 | A kind of ignition initiation devices of solid propellant rocket |
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| CN104806381A (en) | 2015-07-29 |
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