CN209197581U - Miniaturization, low energy, high-voltage instant insensitiveness electric initiator - Google Patents
Miniaturization, low energy, high-voltage instant insensitiveness electric initiator Download PDFInfo
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- CN209197581U CN209197581U CN201821822680.5U CN201821822680U CN209197581U CN 209197581 U CN209197581 U CN 209197581U CN 201821822680 U CN201821822680 U CN 201821822680U CN 209197581 U CN209197581 U CN 209197581U
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- low energy
- ignition
- diameter section
- electric initiator
- lead azide
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Abstract
The utility model provides a kind of miniaturization, low energy, high-voltage instant insensitiveness electric initiator, including ignition component, carboxymethyl cellulose lead azide, octogen and titanium alloy piece, ignition component include heat dissipating ring, ignition part, strengthening cap and shell；It is stepped hole in shell, loads carboxymethyl cellulose lead azide and octogen in the reduced diameter section of stepped hole, octogen is located at reduced diameter section opening side, and using titanium alloy piece closing reduced diameter section opening；Strengthening cap, ignition part and heat dissipating ring are packed into the enlarged diameter section of stepped hole；In the heat dissipating ring that ignition part is installed in metal material towards enlarged diameter section opening side, the other side is installed in strengthening cap, and strengthening cap is prepared using insulating materials, and center is provided with the flash hole of connection carboxymethyl cellulose lead azide.The utility model can meet the requirement of miniaturization, low energy, high safety, high-voltage instant simultaneously.
Description
Technical field
The invention belongs to priming system technical fields, are related to a kind of semiconductive bridge insensitiveness electric initiator.
Background technique
With the variation of application environment, priming system in addition to require high safety, it is highly reliable other than, it is also desirable to have low energy and
The features such as high-voltage instant.Currently, traditional electric initiator ignition part selects igniter wire or bridge band.
The bridge wire diameter of igniter wire formula electric initiator, since bridge wire diameter is thin, is able to satisfy height between 0.009mm~0.08mm
The characteristics of wink is sent out；But igniter wire is not directly contacted with ceramic bases or plastic-substrates, and radiating efficiency is low, and safe current can only achieve
50mA~500mA5min misfires, and is not able to satisfy the requirement that insensitiveness Initiator Safety electric current 1A1W5min misfires.
The bridge piece shape of bridge belt electric initiator is generally configured to large area radiating area, the S-shaped in intermediate collecting and distributing area, eel-like figure portion.
When eel-like figure portion size is 0.9mm, just it is able to satisfy 1A1W5min and misfires requirement.But the bridge shape of S-shaped determines that the time of ignition exists
Several hundred microseconds are not able to satisfy the requirement of high-voltage instant to several milliseconds.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of insensitiveness electric initiator, can meet simultaneously miniaturization,
The requirement of low energy, high safety, high-voltage instant.
The technical solution adopted by the present invention to solve the technical problems is: a kind of small size, low energy, high safety, high wink
The insensitiveness electric initiator of hair, including ignition component, carboxymethyl cellulose lead azide, octogen and titanium alloy piece.
The ignition component includes heat dissipating ring, ignition part, strengthening cap and shell；It is stepped hole in the shell,
The reduced diameter section filling carboxymethyl cellulose lead azide and octogen of stepped hole, octogen are located at reduced diameter section opening one
Side, and using titanium alloy piece closing reduced diameter section opening；Strengthening cap, ignition part and heat dissipation are packed into the enlarged diameter section of stepped hole
Ring；In the heat dissipating ring that the ignition part is installed in metal material towards enlarged diameter section opening side, the other side is installed in
In strengthening cap, strengthening cap is prepared using insulating materials, and center is provided with the flash hole of connection carboxymethyl cellulose lead azide.
The strengthening cap is prepared using dielectric strength >=10kV/mm material.
The strengthening cap and ignition part passes through solidification glue connection.
The degree of packing of the carboxymethyl cellulose lead azide is 3.5~4.5g/cm3；The octogen is divided to two
Secondary loading, degree of packing are 1.55~1.65g/cm3；The medicine of carboxymethyl cellulose lead azide is tall and big in 1.52mm；Losec support
Modern medicine height etc. is in the reduced diameter section internal diameter of stepped hole.
The ignition part includes gasket, piece of releasing, thermistor, semiconductive bridge electrode plug and ignition charge；The gasket
For polytetrafluoroethylene film；The piece of releasing is copper-clad laminate；The thermistor is negative tempperature coefficient thermistor；Institute
The two electrode one end connection semiconductor bridge chip for stating semiconductive bridge electrode plug passes through piece of releasing for lighting ignition charge, the other end
With gasket external wire；Semiconductive bridge electrode plug parallel connection thermistor.
The ignition charge is powder lead azide.
The titanium alloy piece and heat dissipating ring are connected in shell by closing in mode respectively.
Shell installation ignition part one end coating solidification glue is sealed, and coating acrylic acid in installation titanium alloy piece one end is clear
Paint is sealed.
The beneficial effects of the present invention are:
(1) present invention is combined shell, ignition part, medicament by closing in mode, has shock resistance (antidetonation energy
Power meets " the 33rd part of priming system test method: vibratory test " GJB5309.33-2004).Smaller size is φ 4mm~φ
5.1mm.(size of general insensitiveness electric initiator is greater than φ 7mm).
(2) firing energy of the invention is lower, and energy is 1.6 × 10-3J.(energy of general insensitiveness electric initiator is greater than
5.0×10-3J)。
(3) present invention is by semiconductive bridge electrode plug coating powders lead azide, meets the time of ignition and (puts since capacitor
Time of the electricity to the effect of insensitiveness electric initiator) less than the requirement of 10 μ s.(time of ignition of general insensitiveness electric initiator is greater than 30 μ
s)。
(4) present invention can meet small size insensitiveness electric initiator by semiconductive bridge electrode plug parallel connection thermistor
1A1W5min misfires, the security requirement of antistatic, preventing RF, anti-stray electrical current.
(5) present invention uses 0.1mm titanium alloy piece by output end, and shock wave energy accelerates titanium after the explosion of insensitiveness electric initiator
Alloy sheet forms film flying high-speed impact junior detonator, hence it is evident that improves the output power of insensitiveness electric initiator.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is ignition modular construction schematic diagram；
Fig. 3 is ignition part structural schematic diagram；
In figure, 1- ignition component, 2- carboxymethyl cellulose lead azide, 3- octogen, 4- titanium alloy piece, 5- acrylic acid
Varnish, 6- solidification glue, 101- heat dissipating ring, 102- ignition part, 103- strengthening cap, 104- shell, 7- teflon gasket, 8- are let out
Film releasing, 9- thermistor, 10- semiconductive bridge electrode plug, 11- ignition charge.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and the present invention includes but are not limited to following implementations
Example.
The present invention provides a kind of small size (φ 4mm~φ 5.1mm), low energy (1.6 × 10-3J), high safety
The insensitiveness electric initiator of (1A1W5min misfires), high-voltage instant (time of ignition is less than 10 μ s).
The present invention is mainly by ignition component 1, carboxymethyl cellulose lead azide 2, octogen 3,4 acrylic acid of titanium alloy piece
Varnish 5, solidification glue 6 form.In ignition component 1, it is packed into carboxymethyl cellulose lead azide 2, degree of packing 3.5g/cm3
~4.5g/cm3；It is packed into octogen 3, Powder pressing density 1.55g/cm in two times again3~1.65g/cm3；Carboxymethyl cellulose is folded
Lead azide medicine height has to be larger than 1.52mm, just can guarantee that output explosive octogen reaches high speed detonation；Octogen medicine height with
The charge diameter (φ 3mm) of insensitiveness initiator is than being about 1:1；Titanium alloy piece 4 is finally packed into close up.
The ignition component 1 includes heat dissipating ring 101, ignition part 102, strengthening cap 103, shell 104；The heat dissipating ring
101 be metal material, and effect is quickly to spread the heat on ignition part by thermaltransmission mode；The strengthening cap 103 is to be situated between
Electric strength >=10kV/mm material, such as laminated rod, teflon rod etc. effectively prevent foot shell electrostatic from letting out by medicament
It puts, there is the biography fire aperture of a φ 1.5mm in centre；The strengthening cap 103 passes through solidification glue connection with ignition part 102；Described
Shell 104 is metal material, and effect is to guarantee structural intergrity.
The ignition part 102 includes 2 gaskets 7, piece 8 of releasing, thermistor 9, semiconductive bridge electrode plug 10, ignition charge
11；The gasket 7 is nonmetallic materials (polytetrafluoroethylene (PTFE)) film, and effect is to prevent from solidification glue inflow from blocking electrostatic safety to release
Channel；The piece 8 of releasing is copper-clad laminate, and effect is static electricity discharge, prevents electrostatic from releasing by medicament；The temperature-sensitive electricity
Resistance 9 is negative tempperature coefficient thermistor, and resistance value increases and have exponent relation the electronic component of reduction with temperature；It is described partly to lead
Body bridge electrode plug 10, when capacitor electric discharge, the semiconductor material of semiconductive bridge electrode plug gasifies rapidly and because of Joule heat in electric field
Under the action of formed 2000K temperatures above plasma, plasma by microconvection move thermal energy is passed to a little rapidly
Gunpowder；The ignition charge 11 is powder lead azide.
As shown in Figure 1, the embodiment of the present invention includes ignition component 1, carboxymethyl cellulose lead azide 2, octogen
3, titanium alloy piece 4, acrylic lacquer 5 and solidification glue 6.Carboxymethyl cellulose lead azide, octogen are all made of pressurization methods
Carry out pressing；Output end selects 0.1mm titanium alloy piece, and titanium alloy piece forms film flying when detonation, hence it is evident that improves insensitiveness electric initiator
Output power；Ignition component, titanium alloy piece, medicament are attached by closing in mode, have certain shock resistance；Input
End coating solidification glue, output end coat acrylic lacquer, and leakproofness is good.
Fig. 2 show ignition component, strengthening cap and ignition part and passes through solidification glue connection；The ignition component 1 is to pass through
Heat dissipating ring 101, ignition part 102, strengthening cap 103 and shell 104 are fixed together by closing in mode.
Fig. 3 show ignition part schematic diagram, semiconductive bridge electrode plug with release piece and connect by tin-lead solder welding manner；
Semiconductive bridge electrode plug parallel connection thermistor, when temperature increases, thermistor resistance value becomes smaller, and shunts obviously, meets small size electricity
Initiator 1A1W5min misfires requirement；Ignition part selects semiconductor bridge chip, and ignition charge selects coating powders lead azide, meets
The requirement of high-voltage instant.
Miniaturization, low energy, high-voltage instant insensitiveness electric initiator are under conditions of control device capacitor discharges, semiconductive bridge electricity
Pole plug forms the plasma of 2000K temperatures above under the action of electric field, and plasma is moved by microconvection rapidly energy
Power passes to ignition charge, lights carboxymethyl cellulose lead azide, then ignites octogen explosive, shock wave energy adds after explosion
Fast titanium alloy piece forms film flying high-speed impact junior detonator.
Insensitiveness electric initiator of the present invention has been used in multiple scientific research new products, in user's use process, has not occurred
Safety problem, output of products meet the technical requirements of user.
Claims (8)
1. a kind of miniaturization, low energy, high-voltage instant insensitiveness electric initiator, including ignition component, carboxymethyl cellulose lead azide,
Octogen and titanium alloy piece, it is characterised in that: the ignition component includes heat dissipating ring, ignition part, strengthening cap and shell；Institute
It is stepped hole in the shell stated, loads carboxymethyl cellulose lead azide and octogen, Losec in the reduced diameter section of stepped hole
Support is modern to be located at reduced diameter section opening side, and using titanium alloy piece closing reduced diameter section opening；It is filled in the enlarged diameter section of stepped hole
Enter strengthening cap, ignition part and heat dissipating ring；The ignition part is installed in dissipating for metal material towards enlarged diameter section opening side
In hot ring, the other side is installed in strengthening cap, and strengthening cap is prepared using insulating materials, and center is provided with connection carboxymethyl cellulose
The flash hole of lead azide.
2. miniaturization according to claim 1, low energy, high-voltage instant insensitiveness electric initiator, it is characterised in that: described adds
Strong cap is prepared using dielectric strength >=10kV/mm material.
3. miniaturization according to claim 1, low energy, high-voltage instant insensitiveness electric initiator, it is characterised in that: described adds
Strong cap and ignition part pass through solidification glue connection.
4. miniaturization according to claim 1, low energy, high-voltage instant insensitiveness electric initiator, it is characterised in that: the carboxylic first
The degree of packing of base cellulose lead azide is 3.5~4.5g/cm3；The octogen is packed into two times, and degree of packing is
1.55~1.65g/cm3；The medicine of carboxymethyl cellulose lead azide is tall and big in 1.52mm；Medicine height of octogen etc. is in stepped hole
Reduced diameter section internal diameter.
5. miniaturization according to claim 1, low energy, high-voltage instant insensitiveness electric initiator, it is characterised in that: the hair
Fiery part includes gasket, piece of releasing, thermistor, semiconductive bridge electrode plug and ignition charge；The gasket is polytetrafluoroethylene film；
The piece of releasing is copper-clad laminate；The thermistor is negative tempperature coefficient thermistor；The semiconductive bridge electrode plug
Two electrode one end connection semiconductor bridge chip for lighting ignition charge, the other end passes through release piece and gasket external wire；
Semiconductive bridge electrode plug parallel connection thermistor.
6. miniaturization according to claim 5, low energy, high-voltage instant insensitiveness electric initiator, it is characterised in that: the point
Gunpowder is powder lead azide.
7. miniaturization according to claim 1, low energy, high-voltage instant insensitiveness electric initiator, it is characterised in that: the titanium
Alloy sheet and heat dissipating ring are connected in shell by closing in mode respectively.
8. miniaturization according to claim 1, low energy, high-voltage instant insensitiveness electric initiator, it is characterised in that: the shell
Coating solidification glue in installation ignition part one end is sealed, and coating acrylic lacquer in installation titanium alloy piece one end is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821822680.5U CN209197581U (en) | 2018-11-07 | 2018-11-07 | Miniaturization, low energy, high-voltage instant insensitiveness electric initiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821822680.5U CN209197581U (en) | 2018-11-07 | 2018-11-07 | Miniaturization, low energy, high-voltage instant insensitiveness electric initiator |
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| Publication Number | Publication Date |
|---|---|
| CN209197581U true CN209197581U (en) | 2019-08-02 |
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| CN201821822680.5U Active CN209197581U (en) | 2018-11-07 | 2018-11-07 | Miniaturization, low energy, high-voltage instant insensitiveness electric initiator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887413A (en) * | 2019-11-27 | 2020-03-17 | 西安航天动力研究所 | High insensitive miniaturized electric detonator |
| CN115014135A (en) * | 2022-06-30 | 2022-09-06 | 辽宁北方华丰特种化工有限公司 | Glass fiber electrode plug capable of being repeatedly processed in shape and preparation method thereof |
-
2018
- 2018-11-07 CN CN201821822680.5U patent/CN209197581U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887413A (en) * | 2019-11-27 | 2020-03-17 | 西安航天动力研究所 | High insensitive miniaturized electric detonator |
| CN115014135A (en) * | 2022-06-30 | 2022-09-06 | 辽宁北方华丰特种化工有限公司 | Glass fiber electrode plug capable of being repeatedly processed in shape and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220121 Address after: 710025 Qinghua company, No. 1, Hongqing street, tianhongzheng street, Baqiao District, Xi'an City, Shaanxi Province Patentee after: Xi'an north Qinghua electromechanical Co.,Ltd. Address before: Baqiao District of Shaanxi city in Xi'an province 710025 Hongqing Street Tian Hong Zheng Street No. 1 Patentee before: NORTH SPECIAL ENERGY GROUP CO.,LTD. XI'AN QINGHUA CO.,LTD. |
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| TR01 | Transfer of patent right |