CN108613598B - Piezoelectricity ignition propellant actuated device for fuse arming - Google Patents
Piezoelectricity ignition propellant actuated device for fuse arming Download PDFInfo
- Publication number
- CN108613598B CN108613598B CN201611136708.5A CN201611136708A CN108613598B CN 108613598 B CN108613598 B CN 108613598B CN 201611136708 A CN201611136708 A CN 201611136708A CN 108613598 B CN108613598 B CN 108613598B
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- Prior art keywords
- hole
- sleeve
- conductive shell
- insulator foot
- actuation pin
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/32—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by change of fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/40—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Bags (AREA)
- Lighters Containing Fuel (AREA)
Abstract
The invention discloses a kind of piezoelectricity ignition propellant actuated devices for fuse arming, including insulator foot, electrode, Conducting Composition for Type, priming, sealing ring, actuation pin, sleeve and conductive shell.Its working principle is that electrode connects two poles as the two poles of the earth with conductive shell, after power supply is powered, electrode, Conducting Composition for Type and conducting wire shell form access, and Conducting Composition for Type is ignited, and priming explosion generates high temperature and high pressure gas, gas push actuation pin power output.The present invention solves the problems, such as that traditional electric heating igniter wire ignition-type propellant actuated device needs mating larger volume power supply and power source active that is complex and also occupying certain space, control and management.
Description
Technical field
The invention belongs to priming system fields, and in particular to a kind of piezoelectricity ignition gunpowder actuation for fuse arming
Device.
Background technique
Motor-driven cylinder is the important component of ammunition and fuse, is generally used for releasing under mechanical-electrical fuze predetermined condition and protect
Danger or the conversion of other mechanism electro-mechanical signals.Motor-driven cylinder is answered extensively because its is easy to use, size is small, low impact, safe and reliable
In arming for all kinds of ammunitions and mechanical-electrical fuze, wherein also including civilian mine rocket projectile fuse.Ammunition and fuse
The traditional motor-driven cylinder of technical field is all electric heating igniter wire ignition-type propellant actuated device.Traditional electric heating igniter wire type propellant actuated device hair
Fiery transition energy is high, and volume is big, long action time, and poor reliability is influenced by the external world, and internal electric source is needed to power, but also
It is not easy to automatically control.There is not yet powered by piezoelectric ceramics, the propellant actuated device being under fire by electric spark principle.
Summary of the invention
The purpose of the present invention is to provide a kind of piezoelectricity ignition propellant actuated devices for fuse arming, effectively solve
Traditional electric heating igniter wire ignition-type propellant actuated device needs mating larger volume power supply and complex and also occupy certain space
Power source active, control and management the problem of.
The technical solution for realizing the aim of the invention is as follows: a kind of piezoelectricity ignition gunpowder actuation for fuse arming
Device, including insulator foot, electrode, Conducting Composition for Type, priming, sealing ring, actuation pin, sleeve and conductive shell, insulator foot, electricity
Pole, Conducting Composition for Type, priming, sealing ring, actuation pin and sleeve cylinder are arranged in conductive shell;Conductive shell top and bottom center
It is respectively equipped with first through hole, insulator foot is cylindrical body, and center is equipped with a second order through-hole, wherein second be located above is logical
Hole internal diameter is greater than the internal diameter of the third through-hole of lower section, is symmetrically provided with a pair of of notch, third through-hole inner wall on the second through-hole lateral wall
Equipped with a circle annular protrusion;Electrode is cylindrical body, and outer wall is equipped with a circle groove, and the third through-hole of insulator foot is arranged in electrode
Interior, the annular protrusion of the groove and third through-hole inner wall cooperates;Priming and Conducting Composition for Type are successively compressed on insulation from up to down
In second through-hole of pedestal, contacted by the notch of the second through-hole outer wall with conductive shell;Insulator foot is arranged in conductive shell
The top surface of insulator foot, sleeve bottom surface end-cover-free is arranged in bottom, sleeve, and end face center is equipped with fourth hole;Actuation pin is two
Rank boss is arranged in sleeve, and being located above is the first rank boss, and lower section is second-order boss, and the first rank boss covers certainly
The fourth hole of cylinder enters the first through hole of conductive shell top surface after stretching out, second-order outer wall of boss is equipped with a circle seal groove, close
Seal is arranged in the seal groove, and second-order boss bottom surface is contacted with priming top surface.
Compared with prior art, the present invention its remarkable advantage is:
(1) piezoelectric ceramics is used, small compared with traditional electric heating igniter wire ignition-type motor-driven cylinder power volume, occupied space is few,
Management with control it is brief, conveniently.
(2) present invention may be constructed a relatively independent, closed machine-electro-mechanical signal conversion hysteria together with its piezoelectric ceramics
Arming system such as can acquire propellant powder or propellant gas pressure information for bullet bottom and believe as the second arming environment
Breath, it can also be used to which bullet acquires target and hits force information as the second arming environmental information, and may be implemented remote
Transmitting.
(3) by forming access between piezoelectric ceramics, electrode, Conducting Composition for Type and conductive shell, between electrode and conductive shell
Electric spark is formed, more traditional electric heating igniter wire ignition-type motor-driven cylinder, action time is short, and performance is stablized, high reliablity.
Detailed description of the invention
Fig. 1 is the piezoelectricity ignition propellant actuated device overall structure cross-sectional view that the present invention is used for fuse arming.
Fig. 2 is the A-A sectional view of Fig. 1 of the present invention.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing.
Fig. 1 is the piezoelectricity ignition propellant actuated device overall structure cross-sectional view that the present invention is used for fuse arming, is also Fig. 2
B-B sectional view.A kind of piezoelectricity ignition propellant actuated device for fuse arming combined with Figure 1 and Figure 2, including insulation bottom
Seat 2, electrode 3, Conducting Composition for Type 4, priming 5, sealing ring 6, actuation pin 7, sleeve 8 and conductive shell 1, insulator foot 2, are led at electrode 3
Electric medicine 4, priming 5, sealing ring 6, actuation pin 7 and sleeve 8 are arranged in conductive shell 1;In 1 top and bottom of conductive shell
The heart is respectively equipped with first through hole, and insulator foot 2 is cylindrical body, and center is equipped with a second order through-hole, wherein be located above the
Two through-hole internal diameters are greater than the internal diameter of the third through-hole of lower section, are symmetrically provided with a pair of of notch, third through-hole on the second through-hole lateral wall
Inner wall is equipped with a circle annular protrusion;Electrode 3 is cylindrical body, and outer wall is equipped with a circle groove, and insulator foot 2 is arranged in electrode 3
In third through-hole, the annular protrusion of the groove and third through-hole inner wall cooperates, and limits to electrode 3, prevents its movement.It rises
Quick-fried medicine 5 and Conducting Composition for Type 4 are successively compressed on from up to down in the second through-hole of insulator foot 2, pass through the notch of the second through-hole outer wall
It is contacted with conductive shell 1.Insulator foot 2 is arranged in 1 bottom of conductive shell, and the top surface of insulator foot 2 is arranged in sleeve 8, insulation
Internal diameter, the outer diameter of 8 bottom surface of 2 top surface of pedestal and sleeve are all the same.8 bottom surface end-cover-free of sleeve, end face center are equipped with fourth hole.Make
Dynamic pin 7 is second order boss, is arranged in sleeve 8, and being located above is the first rank boss, and lower section is second-order boss, first
Rank boss enters the first through hole of 1 top surface of conductive shell after stretching out from the fourth hole of sleeve 8, second-order outer wall of boss is equipped with one
Seal groove is enclosed, sealing ring 6 is arranged in the seal groove, is sealed by sealing ring 6, and limit to actuation pin 7, the
Second order boss bottom surface is contacted with 5 top surface of priming.
First rank boss center of the actuation pin 7 is equipped with blind hole, for mitigating self weight.
The outer diameter of first rank boss of the actuation pin 7 is equal with the fourth hole internal diameter of sleeve 8, and the two is slidably matched,
The outer diameter of first rank boss of actuation pin 7 is less than the internal diameter of the first through hole of 1 top surface of conductive shell, and the second-order of actuation pin 7 is convex
The outer diameter of platform is greater than the fourth hole internal diameter of sleeve 8, when preventing actuation pin 7 from moving upwards, deviates from from sleeve 8.
The internal diameter of the third through-hole of the insulator foot 2 is less than the internal diameter of the first through hole of 1 bottom surface of conductive shell.
Insulator foot 2, the outer diameter of sleeve 8 are identical as the internal diameter of conductive shell 1, and insulator foot 2 and sleeve 8 are and conductive shell
1 inner wall compression fit of body, 2 bottom surface of insulator foot, sleeve 8 top surface also with the top and bottom compression fit of conductive shell 1.
The piezoelectricity ignition propellant actuated device for fuse arming can acquire propellant powder or propellant gas pressure
Information is as arming environmental information, it can also be used to and bullet acquires target and hits force information as arming environmental information,
And it may be implemented to transmit at a distance.
Its working principle is as follows
Piezoelectric ceramics (piezoelectric ceramic piece can be used, piezoelectric ceramics column can also be used) the two poles of the earth are connected to electricity by conducting wire
Pole 3 and conductive shell 1, usually actuation pin 7 is fixed in sleeve 8 by sealing ring 6, cannot be moved freely.Piezoelectric ceramics is not charged.
Conducting Composition for Type 4 and priming 5 are in stable state, will not detonate.Piezoelectricity of the present invention for fuse arming is under fire
Propellant actuated device is in stable state.
In thorax in propellant powder gas or combustion chamber under the direct or indirect effect of propellant gas pressure, piezoelectric ceramics by
To pressure, piezoelectric ceramics moment generates high voltage, forms access between piezoelectric ceramics, electrode 3, Conducting Composition for Type 4 and conductive shell 1,
Electric spark is formed between electrode 3 and conductive shell 1, Conducting Composition for Type 4 is ignited, and priming 5 explodes, and actuation pin 7 is made by thrust gas
Dynamic pin 7 moves upwards, thrust output.Actuation pin 7 is limited after completing displacement by sleeve 8, can not move upwards again, of the present invention
For fuse arming piezoelectricity ignition propellant actuated device complete work.
Claims (5)
1. a kind of piezoelectricity ignition propellant actuated device for fuse arming, it is characterised in that: including insulator foot (2), electricity
Pole (3), Conducting Composition for Type (4), priming (5), sealing ring (6), actuation pin (7), sleeve (8) and conductive shell (1), insulator foot
(2), electrode (3), Conducting Composition for Type (4), priming (5), sealing ring (6), actuation pin (7) and sleeve (8) are arranged at conductive shell
(1) in;Conductive shell (1) end face center and bottom center are respectively equipped with first through hole, and insulator foot (2) is cylindrical body, wherein
The heart is equipped with a second order through-hole, wherein the second through-hole internal diameter being located above is greater than the internal diameter of the third through-hole of lower section, second is logical
A pair of of notch is symmetrically provided on the lateral wall of hole, third through-hole inner wall is equipped with a circle annular protrusion;Electrode (3) is cylindrical body, outside
Wall is equipped with a circle groove, and electrode (3) is arranged in the third through-hole of insulator foot (2), the groove and third through-hole inner wall
Annular protrusion cooperation;Priming (5) and Conducting Composition for Type (4) are successively compressed on from up to down in the second through-hole of insulator foot (2), are led to
The notch for crossing the second through-hole outer wall is contacted with conductive shell (1);Insulator foot (2) is arranged in conductive shell (1) bottom, sleeve
(8) setting is in the top surface of insulator foot (2), and sleeve (8) bottom surface end-cover-free, end face center is equipped with fourth hole;Actuation pin (7) is
Second order boss, setting is in sleeve (8), and being located above is the first rank boss, and lower section is second-order boss, the first rank boss
Enter the first through hole of conductive shell (1) top surface after stretching out from the fourth hole of sleeve (8), second-order outer wall of boss is equipped with a circle
Seal groove, sealing ring (6) are arranged in the seal groove, and second-order boss bottom surface is contacted with priming (5) top surface.
2. the piezoelectricity ignition propellant actuated device according to claim 1 for fuse arming, it is characterised in that: described
First rank boss center of actuation pin (7) is equipped with blind hole, for mitigating self weight.
3. the piezoelectricity ignition propellant actuated device according to claim 1 for fuse arming, it is characterised in that: described
The outer diameter of first rank boss of actuation pin (7) is equal with the fourth hole internal diameter of sleeve (8), and the two is slidably matched, actuation pin (7)
The first rank boss outer diameter be less than conductive shell (1) top surface first through hole internal diameter, the second-order boss of actuation pin (7)
Outer diameter is greater than the fourth hole internal diameter of sleeve (8), when preventing actuation pin (7) from moving upwards, from abjection in sleeve (8).
4. the piezoelectricity ignition propellant actuated device according to claim 1 for fuse arming, it is characterised in that: described
The internal diameter of the third through-hole of insulator foot (2) is less than the internal diameter of the first through hole of conductive shell (1) bottom surface.
5. the piezoelectricity ignition propellant actuated device according to claim 1 for fuse arming, it is characterised in that: described
The internal diameter, outer diameter of insulator foot (2) top surface and sleeve (8) bottom surface are all the same.
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CN201611136708.5A CN108613598B (en) | 2016-12-12 | 2016-12-12 | Piezoelectricity ignition propellant actuated device for fuse arming |
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CN201611136708.5A CN108613598B (en) | 2016-12-12 | 2016-12-12 | Piezoelectricity ignition propellant actuated device for fuse arming |
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CN108613598B true CN108613598B (en) | 2019-11-15 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101614230A (en) * | 2008-04-22 | 2009-12-30 | Gm全球科技运作股份有限公司 | Smoke screen explosion type final controlling element with filter |
CN103107733A (en) * | 2013-01-30 | 2013-05-15 | 西安交通大学 | Piezoelectric actuator outputting dynamic micro angular displacement |
CN103821795A (en) * | 2014-01-20 | 2014-05-28 | 北京理工大学 | Microminiature gunpowder actuator |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CH655791A5 (en) * | 1984-01-25 | 1986-05-15 | Mefina Sa | Rocket power shot of percussion. |
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- 2016-12-12 CN CN201611136708.5A patent/CN108613598B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101614230A (en) * | 2008-04-22 | 2009-12-30 | Gm全球科技运作股份有限公司 | Smoke screen explosion type final controlling element with filter |
CN103107733A (en) * | 2013-01-30 | 2013-05-15 | 西安交通大学 | Piezoelectric actuator outputting dynamic micro angular displacement |
CN103821795A (en) * | 2014-01-20 | 2014-05-28 | 北京理工大学 | Microminiature gunpowder actuator |
Non-Patent Citations (1)
Title |
---|
弹药用压电发火火药作动器原理和动态特性研究;吴奇;《中国优秀硕士学位论文全文数据库工程科技II辑》;20170715(第07期);全文 * |
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