CN115875159A - Insensitive ignition tool for igniting solid rocket booster - Google Patents
Insensitive ignition tool for igniting solid rocket booster Download PDFInfo
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- CN115875159A CN115875159A CN202211674643.5A CN202211674643A CN115875159A CN 115875159 A CN115875159 A CN 115875159A CN 202211674643 A CN202211674643 A CN 202211674643A CN 115875159 A CN115875159 A CN 115875159A
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- Prior art keywords
- ignition
- cup
- solid rocket
- insensitive
- rocket booster
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- 239000007787 solid Substances 0.000 title claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 40
- 239000004065 semiconductor Substances 0.000 claims abstract description 28
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims abstract description 10
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 10
- 230000037452 priming Effects 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- IXHMHWIBCIYOAZ-UHFFFAOYSA-N styphnic acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C(O)=C1[N+]([O-])=O IXHMHWIBCIYOAZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229920006335 epoxy glue Polymers 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 239000003380 propellant Substances 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 235000015842 Hesperis Nutrition 0.000 description 2
- 235000012633 Iberis amara Nutrition 0.000 description 2
- 101150038956 cup-4 gene Proteins 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010285 flame spraying Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The invention discloses an insensitive ignition tool for igniting a solid rocket booster, which relates to the technical field of solid rocket boosters; the inclined wall and the bottom of the cup body are uniformly provided with a plurality of flame injection holes, the tinfoil paper is fixedly connected with the inner wall of the cup body, ignition powder is arranged on the tinfoil paper, one end of the semiconductor bridge ignition element is connected with ignition powder, the other end of the semiconductor bridge ignition element is connected with a leg wire, and the leg wire is fixed at the bottom of the cup body through epoxy resin glue; the ignition device has good practicability and operability and simple structure, adopts an insensitive ignition system, does not ignite in 1A1W5min, has good safety performance, good resistance consistency and good stability, can be suitable for ignition of the solid rocket booster, has good sealing performance in the cup body, generates high-energy flame to be sprayed on the surface of propellant powder of the booster after gas builds certain pressure in the ignition device shell, and ignites the propellant powder column so as to quickly start and reliably work the solid rocket booster.
Description
Technical Field
The invention belongs to the technical field of solid rocket boosters, and particularly relates to an insensitive igniter for igniting a solid rocket booster.
Background
Solid rocket propulsion technology has found widespread use in a variety of tactical rockets, missiles and projectile weapons. In various tactical rockets and missiles in service at present, most of power devices adopt solid rocket boosters. The non-contact warfare based on 'long-distance, accurate and powerful' is the main form of the future engagement of both parties, and the research and application of the rocket and bottom row composite range-extending technology greatly improve the range of the cannonball.
The ignition and starting of the solid rocket booster are rapid and reliable, the ignition reliability directly influences the reliability of the solid rocket booster, and the safety of the solid rocket booster in the ignition and starting process is important for whether the missile can smoothly complete the predetermined task. Therefore, the perfection of the ignition process of the solid rocket booster has a crucial influence on the work of the solid rocket booster.
The ignition device is an important part in the solid rocket booster and is also the most prone to failure. Its function is to accurately and reliably ignite the main charge, so that the main charge burns in a predetermined manner and at a predetermined speed, and to meet the ballistic performance requirements. The insensitive igniter is an ignition device for the solid rocket booster, mainly has the functions of ensuring reliable ignition of the solid rocket booster and stable, safe and reliable inner ballistic performance, and can meet the tactical technical indexes of an unmanned aerial vehicle engine. Therefore, an insensitive ignition tool for igniting the solid rocket booster is particularly important.
The ignition device of the existing solid rocket booster is poor in practicability sometimes in the using process, the operation is not convenient enough, the ignition device is complex in structure, low in safety and poor in sealing performance, the ignition reliability and the storage safety of the solid rocket booster cannot be effectively guaranteed, and therefore the research and development of an insensitive ignition tool for igniting the solid rocket booster is urgently needed.
Disclosure of Invention
Aiming at solving the problems of the defects and the shortcomings of the prior art; the invention aims to provide an insensitive igniter for igniting a solid rocket booster, which has the advantages of simple structure, reasonable design and convenient use.
In order to achieve the purpose, the invention adopts the technical scheme that: the ignition cup comprises a screw, a cup cover, ignition powder, a cup body, tin foil paper, a semiconductor bridge ignition element, ignition powder and a leg wire; the inner cavity of the cup cover is connected with the screw through threads, the cup cover is connected with the cup body through threads, through holes for assembling a semiconductor bridge ignition element are formed in the bottom of the cup body, a plurality of flame injection holes are uniformly formed in the inclined wall and the bottom of the cup body, the tin foil paper is fixedly connected with the inner wall of the cup body, ignition powder is arranged on the tin foil paper, one end of the semiconductor bridge ignition element is connected with ignition powder, the other end of the semiconductor bridge ignition element is connected with a leg wire, and the leg wire is fixed to the bottom of the cup body through epoxy resin glue.
Preferably, the semiconductor bridge ignition element is arranged in parallel, and ignition powder is adhered to the semiconductor bridge ignition element.
Preferably, the bottom of the priming powder is trinitroresorcinol lead medicament, and the top of the priming powder is KK medicament.
Preferably, the pin wire is an RVB pure copper two-core red-black double-color parallel pin wire, and the pin wire and the semiconductor bridge ignition element are kept connected through welding.
Preferably, the cup upper portion is cylindrical setting, and the cylindrical outer wall is provided with the external screw thread of keeping being connected with the bowl cover, the cup lower part is the radius circular truncated cone type.
Preferably, a threaded hole is formed in the middle of the top of the cup cover, and epoxy resin glue is coated around the threaded hole; the lower end of the cup cover is provided with an internal thread which is connected with the external thread of the cup body.
Preferably, the screw rod is kept connected through a threaded hole of the cup cover and fixes the igniter at the top of the solid rocket booster, and a screw rod head of the screw rod is fixed on the inner wall of the top of the cup cover through epoxy resin glue.
Compared with the prior art, the invention has the beneficial effects that: the invention has good practicability and operability, simple structure, adopts an insensitive ignition system, can meet the requirement of no ignition for 1A1W5min, has good safety performance, good resistance consistency and good stability, can be suitable for the ignition of the solid rocket booster, has good sealing performance inside the cup body, generates high-energy flame to be sprayed on the propellant powder surface of the booster after fuel gas builds certain pressure in the igniter shell, and ignites the propellant powder column so as to quickly start and reliably work the solid rocket booster.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the cup 4 of the present invention;
fig. 3 is a top view of the cup 4 of the present invention.
In the figure: the ignition device comprises a screw rod 1, a cup cover 2, an ignition powder 3, a cup body 4, a tin foil paper 5, a semiconductor bridge ignition element 6, an ignition powder 7, a leg wire 8, a through hole 41 and a flame jet hole 42.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, and other details not so related to the present invention are omitted.
As shown in fig. 1 and fig. 3, the following technical solutions are adopted in the present embodiment: the ignition cup comprises a screw rod 1, a cup cover 2, an ignition powder 3, a cup body 4, a tinfoil paper 5, a semiconductor bridge ignition element 6, an ignition powder 7 and a leg wire 8; the inner cavity of the cup cover 2 is connected with the screw rod 1 through threads, the cup cover 2 is connected with the cup body 4 through threads, through holes 41 for assembling a semiconductor bridge ignition element 6 are formed in the bottom of the cup body 4, a plurality of flame injection holes 42 are uniformly formed in the inclined wall and the bottom of the cup body 4, the tinfoil paper 5 is fixedly connected with the inner wall of the cup body 4, ignition powder 3 is arranged on the tinfoil paper 5, one end of the semiconductor bridge ignition element 6 is connected with ignition powder 7, the other end of the semiconductor bridge ignition element 6 is connected with a leg wire 8, and the leg wire 8 is fixed to the bottom of the cup body 4 through epoxy resin glue.
In the examples: the insensitive type igniter is fixed at the top of the solid rocket booster through the screw 1, the leg wire 8 penetrates through a center hole of a powder column in the shell of the solid rocket booster and then penetrates out of the bottom of the solid rocket booster to be connected with an ignition bus, the double-start parallel semiconductor bridge ignition element 6 welded with the leg wire 8 is fixed at the bottom of the cup body 4 through the leg wire 8, the inner wall of the cup body 4 is pasted with the tinfoil paper 5, the tinfoil paper 5 is provided with the ignition powder 3, the upper part of the cup body 4 is cylindrically provided with external threads and keeps connected with the cup cover 2, so that an airtight space is formed inside the insensitive type igniter, the inclined wall and the bottom of the cup body 4 are provided with flame injection holes 42, flame and pressure generated by the ignition powder 3 are transmitted to the solid rocket booster through the flame injection holes 42 of the cup body 4, and the solid rocket booster is started smoothly after reaching certain pressure.
Further, the semiconductor bridge ignition element 6 is arranged in parallel in a double-ignition mode, ignition powder 7 is adhered to the semiconductor bridge ignition element 6, the bottom of the ignition powder 7 is trinitroresorcinol lead medicament to ensure reliable ignition of the semiconductor bridge ignition element 6, the top of the ignition powder 7 is KK medicament to ensure reliable ignition of the semiconductor bridge ignition element 6, the leg wire 8 is a RVB pure copper two-core red-black double-color parallel leg wire, and the leg wire 8 is connected with the semiconductor bridge ignition element 6 in a welding mode.
Further, 4 upper portions of the cup body are cylindrically arranged, the outer wall of the cylinder is provided with external threads which are connected with the cup cover 2, and the lower portion of the cup body 4 is in an inverted circular truncated cone shape.
In the examples: 18 flame injection holes 42 are equidistantly formed in the inclined wall of the cup body 4, a through hole 41 is formed in the middle of the bottom of the cup body 4, epoxy resin glue is coated on the inner wall of the through hole 41, 12 flame injection holes 42 are formed in the bottom of the cup body 4, the 4 flame injection holes 42 are equidistantly formed in a circle with the bottom phi 10, and the 8 flame injection holes 42 are equidistantly formed in a circle with the bottom phi 20.
Furthermore, a threaded hole is formed in the middle of the top of the cup cover 2, and epoxy resin glue is coated around the threaded hole; the lower end of the cup cover 2 is provided with an internal thread which is connected with the external thread of the cup body 4.
Furthermore, the screw rod 1 is kept connected through a threaded hole of the cup cover 2 and fixes the igniter at the top of the solid rocket booster, and a screw rod head of the screw rod 1 is fixed on the inner wall of the top of the cup cover 2 through epoxy resin glue.
The working principle of the specific implementation mode is as follows: when the solid rocket booster is used, the tail ends of the leg wires 8 are unfastened and are respectively connected to the detonating buses, the other end of each detonating bus is connected to the ignition device, when the insensitive igniter is electrified, electric energy is used for heating and igniting the igniting powder 7 through the semiconductor bridge igniting element 6, the igniting powder 7 generates high-temperature high-pressure gas and a certain amount of ignition phase particles to ignite the igniting powder 3, the igniting powder 3 generates high-temperature high-pressure combustion and ignition phase particles with higher energy, the gas generates high energy after a certain pressure is built in the shell of the igniter and is subjected to flame spraying on the surface of propellant powder of the booster through the flame spraying holes 42 of the cup body 4, and the propellant powder is ignited, so that the solid rocket booster is started quickly and works reliably.
The invention has good practicability and operability, simple structure, adopts an insensitive ignition system, can meet the requirement of no ignition for 1A1W5min, has good safety performance, good resistance consistency and good stability, can be suitable for the ignition of the solid rocket booster, has good sealing performance inside the cup body, generates high-energy flame to be sprayed on the propellant powder surface of the booster after fuel gas builds certain pressure in the igniter shell, and ignites the propellant powder column so as to quickly start and reliably work the solid rocket booster.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (7)
1. An insensitive type igniter for igniting a solid rocket booster is characterized in that: the ignition cup comprises a screw rod (1), a cup cover (2), ignition powder (3), a cup body (4), tinfoil paper (5), a semiconductor bridge ignition element (6), ignition powder (7) and a leg wire (8); the inner chamber of bowl cover (2) passes through the screw thread and keeps being connected with screw rod (1), bowl cover (2) keeps being connected with cup (4) through the screw thread, the bottom of cup (4) is provided with through-hole (41) that semiconductor bridge priming element (6) equipment was used, evenly be provided with several flame jet orifice (42) on the skew wall of cup (4) and the bottom, the inner wall of tinfoil paper (5) and cup (4) keeps fixed connection, be equipped with ignition powder (3) on tinfoil paper (5), the one end of semiconductor bridge priming element (6) is connected with priming powder (7), the other end and the leg wire (8) of semiconductor bridge priming element (6) keep being connected, leg wire (8) are fixed in the bottom of cup (4) through epoxy glue.
2. The insensitive igniter for igniting a solid rocket booster as recited in claim 1, wherein: the semiconductor bridge ignition element (6) is arranged in parallel, and ignition powder (7) is adhered to the semiconductor bridge ignition element (6).
3. The insensitive igniter for igniting a solid rocket booster as recited in claim 1, wherein: the bottom of the priming powder (7) is trinitroresorcinol lead medicament, and the top of the priming powder (7) is KK medicament.
4. The insensitive igniter for igniting a solid rocket booster as recited in claim 1, wherein: the leg wires (8) are RVB pure copper two-core red-black double-color parallel leg wires, and the leg wires (8) are kept connected with the semiconductor bridge ignition element (6) through welding.
5. The insensitive igniter for igniting a solid rocket booster as recited in claim 1, wherein: cup (4) upper portion is cylindrical setting, and the cylindrical outer wall is provided with the external screw thread that keeps being connected with bowl cover (2), cup (4) lower part is the radius truncated cone type.
6. The insensitive igniter for igniting a solid rocket booster as recited in claim 1, wherein: a threaded hole is formed in the middle of the top of the cup cover (2), and epoxy resin glue is coated around the threaded hole; the lower end of the cup cover (2) is provided with an internal thread which is connected with the external thread of the cup body (4).
7. The insensitive igniter for igniting a solid rocket booster as recited in claim 1, wherein: the screw rod (1) is kept connected through a threaded hole of the cup cover (2) and fixes the igniter at the top of the solid rocket booster, and a screw rod head of the screw rod (1) is fixed on the inner wall of the top of the cup cover (2) through epoxy resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211674643.5A CN115875159A (en) | 2022-12-26 | 2022-12-26 | Insensitive ignition tool for igniting solid rocket booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211674643.5A CN115875159A (en) | 2022-12-26 | 2022-12-26 | Insensitive ignition tool for igniting solid rocket booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115875159A true CN115875159A (en) | 2023-03-31 |
Family
ID=85754595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211674643.5A Pending CN115875159A (en) | 2022-12-26 | 2022-12-26 | Insensitive ignition tool for igniting solid rocket booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115875159A (en) |
-
2022
- 2022-12-26 CN CN202211674643.5A patent/CN115875159A/en active Pending
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