CN204663702U - The small-sized anti-wink ignition flame Dark Ignition device of a kind of resistance to high gun pressure high overload - Google Patents
The small-sized anti-wink ignition flame Dark Ignition device of a kind of resistance to high gun pressure high overload Download PDFInfo
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- CN204663702U CN204663702U CN201520323709.5U CN201520323709U CN204663702U CN 204663702 U CN204663702 U CN 204663702U CN 201520323709 U CN201520323709 U CN 201520323709U CN 204663702 U CN204663702 U CN 204663702U
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Abstract
The utility model provides the small-sized anti-wink ignition flame Dark Ignition device of a kind of resistance to high gun pressure high overload, comprise outer pipe shell, Delay Tube and Nai Gao gun pressure ignitron, the solid residue formed after utilizing ignition drug to burn is impacted to bear high gun pressure high overload, solid residue is block-shape morphology, high with mechanical strength after thin-walled shell fluid-tight engagement, good airproof performance; Simultaneously devise a kind of nonmetallic material with buffer capacity at Delay Tube output terminal, stop combustion gas to light output medicine through the gap of metal thin-wall, thus realize the object sent out in anti-wink, and this buffer substrate tablet can be output medicine reliable ignition after Delay Tube normally acts on.
Description
Technical field
The invention belongs to fire-working article technical field, relate to a kind of Dark Ignition device, what particularly use under high gun pressure high overload condition sends out flame-type Dark Ignition device small-sized anti-wink.
Background technique
Dark Ignition device is mainly divided into and is electrically excited Dark Ignition device and flame excitation Dark Ignition device, and it is widely used in, on all kinds of equipment of Aeronautics and Astronautics, being mainly used in ignition engine powder charge, making engine operation.Although electricity Dark Ignition device can be designed to all-sealed structure to eliminate the impact of high gun pressure on product performance, need exciting of electric energy, add system power supply load; And flame Dark Ignition device directly utilizes thorax flame to light, structure is simple, but limited (about x × 10 of overload capacity that existing flame Dark Ignition device and its load module are born
2g), overload requirement when aerospace craft is launched can not be met, gun pressure and x × 10 of more than 230MPa when the aerospace craft being applied to low-latitude flying is launched can not be met especially
4the overload requirement of g and the miniature requirement of aerospace craft.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of flame Dark Ignition device, mechanical strength is high, good airproof performance, can realize the object sent out in anti-wink.
The technical solution adopted for the present invention to solve the technical problems is: comprise outer pipe shell, Delay Tube and Nai Gao gun pressure ignitron.
Described outer pipe shell is hollow circular cylinder, and one end open one end is closed, and there is flange opening end outer, and closed end is to outer pipe shell internal protrusion, and the wall thickness of convex portion is less than the wall thickness of outer pipe shell sidewall; Described Delay Tube comprises extension shell, ignition drug, delay powder, ignition powder and buffer substrate tablet, described extension shell is hollow circular cylinder, one end open one end is closed, closed end has central through bore, ignition drug, delay powder, ignition powder is pressed with by closed end successively to opening end in extension shell, buffer substrate tablet connects closing open end by curable epoxide is gluing, and extension shell is coaxially nested in outer pipe shell, and the opening end of extension shell connects the convex portion of outer pipe shell closed end; Described resistance to high gun pressure ignitron comprises igniting shell, sealed cap, powder charge strengthening cap and ignition drug, and igniting shell is hollow circular cylinder, and one end open one end is closed, and there is flange opening end outer, and closed end has central through bore; Be pressed with ignition drug, powder charge strengthening cap, sealed cap by closed end successively to opening end in igniting shell, igniting shell is coaxially nested in outer pipe shell, and the central through bore of igniting shell closed end and the central through bore of extension shell closed end are coaxial docking; Described sealed cap is hollow circular cylinder, and one end open one end is closed, and opening end connects powder charge strengthening cap, and the wall thickness of closed end core is less than the wall thickness of sealed cap sidewall; Described powder charge strengthening cap comprises strengthening cap, silk fabric pad, ignition charge and ignition drug, described strengthening cap is hollow circular cylinder, one end open one end is closed, closed end has central through bore, opening end connects ignition drug, the central through bore of strengthening cap closed by silk fabric pad, and ignition charge and ignition drug are pressed in strengthening cap successively.
Described buffer substrate tablet is nitro film.
The invention has the beneficial effects as follows: size little (φ 6.3mm × 22.7mm), send out in anti-wink, simple installation, it utilizes thorax flame to light, after the defer time of 0.6s ~ 1.4s, reliable ignition aerospace craft increases the powder charge of journey engine interior, high gun pressure high overload can be born in mechanism impact, good airproof performance.The results showed, anti-gun pressure ability reaches 260MPa, and anti-overload ability reaches 2.9 × 10
4g, flight test extension function normally, without wink finds to resemble, and solves the difficult problem existing and send out in small probability wink.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, in figure, and 1-outer pipe shell, 2-Delay Tube, the resistance to high gun pressure ignitron of 3-, 4-curable epoxide glue;
Fig. 2 is outer pipe shell structural representation, in figure, and 1a-0.08mm weak link, 1b-thin-walled, 1c-deep hole, the circular flange of 1d-;
Fig. 3 is Delay Tube structural representation, in figure, and 201-extension shell, 202-ignition drug IV, 203-ignition drug III, 204-delay powder, 205-ignition powder, 206-curable epoxide glue, 207-buffer substrate tablet;
Fig. 4 is the shell structure of Delay Tube shown in Fig. 3 schematic diagram, and the label in figure represents respectively: 201a-center hole, 201b-thin-walled, 201c-deep hole;
Fig. 5 is the structural representation of buffer substrate tablet shown in Fig. 3;
Fig. 6 is resistance to high gun pressure ignitron structural representation shown in Fig. 1, and the label in figure represents respectively, and: 301-lights a fire shell, 302-ignition drug III, 303-ignition drug II, 304-powder charge strengthening cap, 305-sealed cap;
Fig. 7 is ignitron shell structure schematic diagram, in figure, and 301a-center hole, 301b-thin-walled, 301c-deep hole, the circular flange of 301d-;
Fig. 8 is powder charge strengthening cap structural representation, in figure, and 304-1-strengthening cap, 304-2-ignition drug I, 304-3-ignition charge, 304-4-silk fabric pad;
Fig. 9 is strengthening cap structural representation, in figure, and 304-1a-thin-walled, 304-1b-center hole;
Figure 10 is sealed cap structural representation, in figure, and 305-1a-0.08mm weak link (φ 2), 305-1b-thin-walled.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described, the present invention includes but be not limited only to following embodiment.
The invention provides the flame Dark Ignition device of a kind of inner segmented, external integration structure, the solid residue with certain altitude and bearing capacity that it is formed after utilizing Loading Materials for Initiating Explosive Devices (ignition drug) to burn is impacted to bear high gun pressure high overload, be characterized in solid residue be block-shape morphology, with thin-walled shell fluid-tight engagement after high, the good airproof performance of mechanical strength; Devise a kind of nonmetallic material with buffer capacity at the Delay Tube output terminal of igniter simultaneously, combustion gas is stoped to light output medicine through the gap of metal thin-wall, thus realize the object sent out in anti-wink, and this buffer substrate tablet can be output medicine reliable ignition after Delay Tube normally acts on.
The small-sized anti-wink ignition flame Dark Ignition device of a kind of resistance to high gun pressure high overload, comprises outer pipe shell, Delay Tube, resistance to high gun pressure ignitron, curable epoxide glue, it is characterized in that:
Described outer pipe shell is cylindrical body, one end perforate, the other end are closed, hole depth 21.6mm, diameter 5.7mm, wall thickness 0.2mm ~ 0.3mm, oral area is with the flange of circle, and bottom is the closure of thickness 0.35mm, center has diameter to be about the weak link of ecto-entad projection of 3mm, thickness 0.08mm.Be mainly used in the assembling of Delay Tube and Nai Gao gun pressure ignitron.
Described Delay Tube comprises extension shell, ignition drug IV, ignition drug III, delay powder, ignition powder, buffer substrate tablet.Described extension shell is cylindrical body, hole depth 11mm, diameter 4.8mm, the deep hole of wall thickness 0.45mm, thin walled structures, and bottom thickness is 0.6mm, with center hole; Described buffer substrate tablet is the nitro film of thickness 0.14mm.Ignition drug IV, ignition drug III and delay powder, ignition powder are pressed in extension shell respectively, finally with curable epoxide glue, buffer substrate tablet are bonded in ignition powder end face.
Described resistance to high gun pressure ignitron comprises igniting shell, sealed cap, powder charge strengthening cap, ignition drug II, ignition drug III.Described igniting shell is cylindrical body, hole depth 10mm, diameter 4.7mm, the deep hole of wall thickness 0.5mm, thin walled structures, and oral area is with the flange of circle, and bottom thickness is 0.6mm, with center hole; Described sealed cap is thin-walled " U " type structure, one end perforate, and the other end is closed, center has thickness to be the weak link of 0.08mm; Described powder charge strengthening cap comprises strengthening cap, silk fabric pad, ignition charge and ignition drug I, after silk fabric pad loads strengthening cap, then ignition charge and ignition drug I is pressed into respectively in strengthening cap; Described strengthening cap is thin-walled " U " type structure, with center hole bottom one end perforate, the other end.
See accompanying drawing 1 ~ Figure 10, the present embodiment provides gets angry flame Dark Ignition device a kind of resistance to high gun pressure high overload small-sized anti-wink, comprising: 1, outer pipe shell, and 2, Delay Tube, 3, resistance to high gun pressure ignitron, 4, curable epoxide glue, (as shown in Figure 1).
Outer pipe shell 1 is cylindrical structure, and bottom is entity, has protruding 0.08mm weak link 1a, and thin-walled 1b, there is deep hole 1c at center, and oral area has circular flange 1d.
Delay Tube 2 comprises extension shell 201, ignition drug IV 202, ignition drug III 203, delay powder 204, ignition powder 205, curable epoxide glue 206, buffer substrate tablet 207.During making, extension shell 201 is loaded in mould, first ignition drug IV 202 is poured in extension shell center hole 201a and deep hole 201c and carry out pressing, secondly ignition drug III 203 and delay powder 204 are poured in extension shell deep hole 201c and carry out pressing, then ignition powder 205 is poured in extension shell deep hole 201c and carry out pressing, ignition powder 205 is poured in extension shell deep hole 201c again and carry out pressing, and be coated with a small amount of curable epoxide glue 4 at ignition powder 205 with extension shell 201 circumferential abutment place, finally put into buffer substrate tablet 207 and compress.
Resistance to high gun pressure ignitron 3 comprises igniting shell 301, ignition drug III 302, ignition drug II 303, powder charge strengthening cap 304, sealed cap 305.When making powder charge strengthening cap 304, first silk fabric pad 304-4 is laid on strengthening cap center hole 304-1b, secondly strengthening cap center hole 304-1b is loaded in mould down, then ignition charge 304-3 is poured in strengthening cap 304 and carry out pressing, and ignition drug I 304-2 is poured in strengthening cap 304 carry out pressing; When making resistance to high gun pressure ignitron 3, igniting shell 301 is loaded in mould, first ignition drug III 302 is poured in igniting shell center hole 301a and deep hole 301d and carry out pressing, secondly ignition drug II 303 is poured in igniting shell deep hole 301d and carry out pressing, then carry out pressing by the strengthening cap center hole 304-1b of powder charge strengthening cap upward load point fire tube shell deep hole 301d, then carry out pressing by the weak link 305-1a of sealed cap upward load point fire tube shell.
When Dark Ignition device makes, first load bottom outer pipe shell down in mould, a small amount of curable epoxide glue is coated with at Delay Tube 2 outer surface made, secondly one end that buffer substrate tablet 207 is housed is pushed in outer pipe shell deep hole 1c down, be coated with appropriate curable epoxide glue at Delay Tube 2 and outer pipe shell deep hole 1c joint close; Then a small amount of curable epoxide glue is coated with at resistance to high gun pressure ignitron 3 outer surface made, and circular flange one end is pushed in outer pipe shell deep hole 1c upward, the circular flange 301d of igniting shell and the circular flange 1d of outer pipe shell is fitted tightly, is finally coated with a small amount of curable epoxide glue at sealed cap and igniting shell deep hole 301a joint close.
In Delay Tube described in the present embodiment, ignition drug IV dose is 80mg, and ignition drug III dose is 10mg ~ 12mg, and delay powder dose is 250mg ~ 450mg, and ignition powder dose is 150mg ~ 250mg, and drug-pressuring pressure is 229MPa ~ 241MPa.
In powder charge strengthening cap described in the present embodiment, ignition charge dose is 30mg, and ignition drug I dose is 70mg, and drug-pressuring pressure is 365MPa ~ 434MPa.
In resistance to high gun pressure ignitron described in the present embodiment, ignition drug III dose is 80mg, and ignition drug II dose is 200mg, and the pressure of drug-pressuring pressure and press-in powder charge strengthening cap is 438MPa ~ 484MPa, and the pressure pushing sealed cap is 1300N ~ 1500N.
The preferred ignition drug of the present embodiment is silicon system ignition drug, and wherein ignition drug I, III, IV is made up of red lead (50% ~ 65%), calcium silicide (32% ~ 47%), nitrocotton (0.85% ~ 1.6%), coal tar pitch (0.85% ~ 1.6%); Ignition drug II is made up of red lead (53.5%), calcium silicide (44.5%), coal tar pitch (2%);
Ignition charge is lead trinitroresorcinate, and delay powder is tungsten type delay composition, is made up of tungsten powder (30%), barium chromate (60%), potassium perchlorate (10%) etc.
Outer pipe shell described in the present embodiment, ignitron shell material are copper strips B19M.
Silk fabric cushion material described in the present embodiment is 401 plain weave raw silk silk fabrics.
The present embodiment preferred buffer substrate tablet material is the nitro film that 0.14mm is thick.
The preferred curable epoxide glue of the present embodiment is 914 fast binders.
Claims (2)
1. the small-sized anti-wink ignition flame Dark Ignition device of resistance to high gun pressure high overload, comprise outer pipe shell, Delay Tube and Nai Gao gun pressure ignitron, it is characterized in that: described outer pipe shell is hollow circular cylinder, one end open one end is closed, there is flange opening end outer, closed end is to outer pipe shell internal protrusion, and the wall thickness of convex portion is less than the wall thickness of outer pipe shell sidewall; Described Delay Tube comprises extension shell, ignition drug, delay powder, ignition powder and buffer substrate tablet, described extension shell is hollow circular cylinder, one end open one end is closed, closed end has central through bore, ignition drug, delay powder, ignition powder is pressed with by closed end successively to opening end in extension shell, buffer substrate tablet connects closing open end by curable epoxide is gluing, and extension shell is coaxially nested in outer pipe shell, and the opening end of extension shell connects the convex portion of outer pipe shell closed end; Described resistance to high gun pressure ignitron comprises igniting shell, sealed cap, powder charge strengthening cap and ignition drug, and igniting shell is hollow circular cylinder, and one end open one end is closed, and there is flange opening end outer, and closed end has central through bore; Be pressed with ignition drug, powder charge strengthening cap, sealed cap by closed end successively to opening end in igniting shell, igniting shell is coaxially nested in outer pipe shell, and the central through bore of igniting shell closed end and the central through bore of extension shell closed end are coaxial docking; Described sealed cap is hollow circular cylinder, and one end open one end is closed, and opening end connects powder charge strengthening cap, and the wall thickness of closed end core is less than the wall thickness of sealed cap sidewall; Described powder charge strengthening cap comprises strengthening cap, silk fabric pad, ignition charge and ignition drug, described strengthening cap is hollow circular cylinder, one end open one end is closed, closed end has central through bore, opening end connects ignition drug, the central through bore of strengthening cap closed by silk fabric pad, and ignition charge and ignition drug are pressed in strengthening cap successively.
2. the small-sized anti-wink ignition flame Dark Ignition device of the resistance to high gun pressure high overload of one according to claim 1, is characterized in that: described buffer substrate tablet is nitro film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323709.5U CN204663702U (en) | 2015-05-19 | 2015-05-19 | The small-sized anti-wink ignition flame Dark Ignition device of a kind of resistance to high gun pressure high overload |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323709.5U CN204663702U (en) | 2015-05-19 | 2015-05-19 | The small-sized anti-wink ignition flame Dark Ignition device of a kind of resistance to high gun pressure high overload |
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| CN204663702U true CN204663702U (en) | 2015-09-23 |
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| CN201520323709.5U Expired - Fee Related CN204663702U (en) | 2015-05-19 | 2015-05-19 | The small-sized anti-wink ignition flame Dark Ignition device of a kind of resistance to high gun pressure high overload |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083235A (en) * | 2017-12-29 | 2018-05-29 | 陕西斯达防爆安全科技股份有限公司 | A kind of oxygen candle starting mix and preparation method thereof |
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2015
- 2015-05-19 CN CN201520323709.5U patent/CN204663702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083235A (en) * | 2017-12-29 | 2018-05-29 | 陕西斯达防爆安全科技股份有限公司 | A kind of oxygen candle starting mix and preparation method thereof |
| CN108083235B (en) * | 2017-12-29 | 2021-03-16 | 陕西斯达防爆安全科技股份有限公司 | Transfer powder for oxygen candle and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20200519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |