CN204313720U - The secondary non-sensitive type electric igniter that a kind of direct current is got angry - Google Patents
The secondary non-sensitive type electric igniter that a kind of direct current is got angry Download PDFInfo
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- CN204313720U CN204313720U CN201420638987.5U CN201420638987U CN204313720U CN 204313720 U CN204313720 U CN 204313720U CN 201420638987 U CN201420638987 U CN 201420638987U CN 204313720 U CN204313720 U CN 204313720U
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Abstract
The utility model relates to the secondary non-sensitive type electric igniter (hereinafter referred to as electric igniter) that a kind of direct current is got angry, it is made up of electric igniter, ignition powder, sealing plate, insulation sleeve, shell and insulating sleeve six parts, wherein electric igniter by going between, electrode plug, bridge silk and medicine head medicament form, electric igniter, insulation sleeve, sealing plate and ignition powder are contained in shell, the design of antistatic escape orifice is on the lead-in wire of electric igniter, and insulating sleeve is enclosed within the cylinder of lead-in wire and shell end face.Electric igniter by adopting new ignition powder, new drug head medicament, improve charge space, to the optimization of bridge silk structure and the improvement of technology, solve the resistance of electric igniter, insulaion resistance, safe current, firing current, wink degree of sending out and technical requirement and the Energy transmission requirement such as antistatic.
Description
Technical field
The present invention relates to the secondary non-sensitive type electric igniter (hereinafter referred to as electric igniter) that a kind of direct current is got angry, be applicable to dual-use priming system igniter, belong to electric spark workpiece field.
Background technology
In China, along with developing rapidly of military technology, increasing to the demand of electric igniter, to the development that the performance requirement of electric igniter is also making rapid progress, by original civilian electric igniter, develop into the military fields such as present sea, land and sky.Existing electric igniter divides responsive type and non-sensitive type two kinds, the feature of responsive type electric igniter is that safe current is low, product is in production, assembling or test, easy generation is got angry, easily cause damage to personnel and property, and non-sensitive type electric igniter solves the deficiency of responsive type electric igniter, its safe current and firing current are all very large, but its cost is very high, be mainly used on Aerospace Products.For some dual-use conventional priming systems, because the price of product own is not high, electric current output system can not provide so high firing current, but product itself is very high again to security requirement, need a kind of safe current high and the electric igniter that firing current is low, like this, we just design the secondary non-sensitive type electric igniter that have developed a kind of direct current and get angry, the feature of this electric igniter is that safe current is high, firing current is low, Energy transmission is large again, and this electric igniter price is low again, liking very by user.
Summary of the invention
Technical problem to be solved by this invention there is provided the secondary non-sensitive type electric igniter that a kind of direct current is got angry, by adopting new ignition powder, new drug head medicament, improving charge space, to the optimization of bridge silk structure and the improvement of technology, solve responsive type electric igniter safe current low, the defect of poor stability, solve the requirement of non-sensitive type electric igniter firing current high, the deficiency of price simultaneously.
The present invention is the technical scheme solving the employing of above technical requirement, and this electric igniter is primarily of six parts compositions such as electric igniter (5), ignition powder (6), sealing plate (7), insulation sleeve (8), shell (9) and insulating sleeve (11); Wherein electric igniter (5) is made up of lead-in wire (1), electrode plug (2), bridge silk (3) and medicine head medicament (4), electric igniter (5), insulation sleeve (8), sealing plate (7) and ignition powder (6) are contained in shell (9), antistatic escape orifice (10) design is on the lead-in wire (1) of electric igniter (5), and insulating sleeve (11) is enclosed within the cylinder of lead-in wire (1) and shell (9) end face.
It solves in electric igniter Energy transmission technical problem and takes following measure:
One is have employed a kind of titanium mooring points powder composition (6), and the feature of this ignition powder (6) is the gas that ignition temperature is high, the rear generation of burning is certain, increases ignition energy and ignition distance, increases output energy;
Two is the charge spaces increasing ignition powder (6), the shell (9) of electric igniter adopts stainless steel material design processing, because stainless steel material is higher than aluminum alloy materials intensity, wall thickness can be designed into the 1/2nd thick of aluminum alloy materials, the charge space of electric igniter is made to increase about 1.5 times, by above two measures, solve Energy transmission technical requirement.
It solves in electric igniter safe current, firing current and wink degree of sending out technical problem and takes following measure: one is the medicine head medicament (4) that have developed a kind of non-sensitive type, this medicament with detonate medicament lead styphnate oxidizer potassium hyperchlorate and antimony trisulfide formulated by a certain percentage;
Two is to solve electric igniter resistive technologies problem, and bridge silk (3) adopts a kind of Precision resistance wire 6J20 nichrome wire material, and this resistivity of material precision is high, and resistance value can meet technical requirement;
Three is be optimized bridge silk (3) structure, bridge silk (3) adopts mariages bridge Welding Structure in parallel, bridge distance is 3mm, bridge silk (3) diameter is φ 0.03mm, such design, be equivalent to a bridge silk (3) and be divided into two bridge silks, bridge silk (3) increases with the contact area of medicine head medicament (4), under low safe current effect, electric energy conversion is after heat energy, heat-energy losses strengthens, safe current improves, under firing current effect, electric energy conversion is after heat energy, heat-energy losses is returned and is reduced, firing current is returned and is reduced, meet safe current like this, firing current, the wink all technical requirement such as degree of sending out.
It solves the measure that electric igniter antistatic technique problem is taked is in electric igniter, be designed with antistatic escape orifice (10) and electrostatic screen space:
A. antistatic escape orifice (10), two antistatic escape orifices (10) are devised at lead-in wire (1) heel, with shell (9) distance be 0.3mm, when electrostatic is through these two holes, air in static shock perforation and shell (9) form path, electrostatic is released from antistatic escape orifice (10), to meet antistatic requirement;
B. electrostatic screen space is also ignition powder (6) charge space, take the method for electrostatic being carried out to " blocking up ", the polyvinyl chloride that electrode plug (2) material selection insulating properties are high, electrode plug (2) structure is designed to a ledge structure, external diameter is respectively the step of φ 5mm and φ 6mm, the polytetrafluoroethylene (PTFE) that insulation sleeve (8) material selection insulating properties are high, the pipe of structure is designed to external diameter to be φ 6mm internal diameter be φ 5mm, insulation sleeve (8) is contained on the step of electric igniter (5) electrode plug (2) φ 5mm, form the charge space that an internal diameter is φ 5mm, ignition powder (6) is contained in the charge space of insulation sleeve (8), after installing ignition powder (6), cover sealing plate (7), again to shell (9) closing in crimping, whole charge space is made to form an insulating space, when electrostatic enters in charge space, electrostatic is trapped in insulating space, cannot leak, cannot get angry, take these two kinds of measures to meet antistatic requirement.
It solves the measure that electric igniter insulaion resistance technical problem adopts, two lead-in wires (1) be injection-moulded in electrode plug (2) are surrounded by an insulating sleeve (11) outward again, add the insulating properties of electric igniter, electrode plug (2) adopts pvc material, to meet insulaion resistance requirement.
Beneficial effect of the present invention: succeeding in developing of this product, not only meet certain model bullet instructions for use, be applied on military-civil priming system simultaneously, and about ignition powder technology, the antistatic technique of the safe current of electric igniter, firing current technology and electric igniter, be applied on the various military, civilian electric spark workpiece of our factory, improve the product quality of military, civilian priming system, reduce product cost.Our factory is the more than one hundred million commercial electric detonator production unit of an annual production, and this technology has been applied on commercial electric detonator, for our factory brings considerable income.
Accompanying drawing explanation
The electric igniter structural representation of the secondary non-sensitive type electric igniter that a kind of direct current of Fig. 1 is got angry;
The structural representation of the secondary non-sensitive type electric igniter that a kind of direct current of Fig. 2 is got angry;
In Fig. 1: 1 lead-in wire, 2 electrode plugs, 3 bridge silks, 4 medicine head medicaments, 5 electric igniters, 6 ignition powders, 7 sealing plates, 8 insulation sleeves, 9 shells, 10 antistatic escape orifices, 11 insulating sleeves.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present invention is described:
Electric igniter (5) is primarily of lead-in wire (1), electrode plug (2), bridge silk (3), medicine head medicament (4) is formed, its technical process passes through injection moulding for go between (1), in middle intercalation electrode plug (2), bridge silk (3) is welded on the core of lead-in wire (1), core end face ionization electrode plug (2) end face is 2.5mm, bridge silk (3) adopts soldering on core, electrode plug (2) after welding is called bridge silk electrode plug, the medicine head medicament (4) prepared is coated on the bridge silk (3) of bridge silk electrode plug, bridge silk (3) all wraps in medicine head medicament (4), on the outer surface of medicine head medicament (4), moistureproof glue is coated with again after drying, meet the resistance of electric igniter (5), safe current, firing current, wink the technical requirement such as degree of sending out.
Electric igniter is primarily of electric igniter (5), ignition powder (6), sealing plate (7), insulation sleeve (8), shell (9) is formed, its technical process is first on the lead-in wire (1) of electric igniter (5), be processed with two electrostatic leakage holes (10), again electric igniter (5) is loaded in shell (9), again insulation sleeve (8) is loaded in shell (9), insulation sleeve (8) is contained on the step of electric igniter (5), then ignition powder (6) is loaded in insulation sleeve (8), cover sealing plate (7), again closing in crimping is carried out to shell (9), moistureproof glue is coated at sealing plate (7) and the closing in crimping place of shell (9), meet the Energy transmission requirement of electric igniter, the technical requirements such as antistatic requirement and insulaion resistance.
Electric igniter of the present invention is the secondary non-sensitive type electric igniter that a kind of direct current is got angry, its key technology be improve electric igniter (5) safe current and wink degree of sending out, reduce firing current, improve the technical indicators such as the Energy transmission of electric igniter, insulating resistance value and anti-static ability.
Operation principle of the present invention is when in the separator that electric igniter is contained in certain model bullet, and body control system provides the ignition direct current of 1.2A to electric igniter, and electric igniter is reliably got angry in 15ms, and can the separator of reliable ignition model bullet.Because body must ensure safety in assembling, detection, transport, storage process, so under the direct current effect of 300mA, during action time 5min, electric igniter should not be got angry, body is when assembling, due to static electricity on human body, so electric igniter should be able to resist the voltage of 25KV/500PF/5000 Ω, should not get angry.
The required precision in order to meet resistance value to the embodiment of electric igniter (1) key technology, Precision resistance wire 6J20 nichrome wire selected by bridge silk (3), this resistance wire resistivity precision is high, resistance easily controls, bridge silk (3) diameter is 0.03mm, and bridge distance is 3mm; Electrode plug (2) adopts the polychloroethylene insulation material that insulating properties are high, to meet insulaion resistance requirement.
In order to solve safe current, firing current and wink the technical problem such as degree of sending out, have developed the medicine head medicament (4) of a kind of non-sensitive type, its formula is medicament lead styphnate oxidizer potassium hyperchlorate and the detonator antimony trisulfide of detonating, bridge silk (3) adopts mariages bridge Welding Structure in parallel, bridge distance is 3mm, bridge silk (3) diameter is φ 0.03mm, such design, be equivalent to a bridge silk () 3 and be divided into two bridge silks, bridge silk (3) increases with the contact area of medicine head medicament (4), under low safe current effect, electric energy conversion is that heat-energy losses strengthens, improve the safe current of electric igniter, under high firing current effect, electric energy conversion is that heat energy increases, heat-energy losses reduces, firing current is returned and is reduced, solve safe current like this, firing current and wink degree of sending out technical requirement.
Embodiment to electric igniter key technology: in Energy transmission problem, have employed a kind of titanium mooring points powder composition (6), this medicament ignition temperature is high, certain gas is produced after burning, add ignition energy and ignition distance, increase output energy, stainless steel material design processing is adopted to the shell (9) of electric igniter simultaneously, because stainless steel material is higher than aluminum alloy materials intensity, wall thickness can be designed into the 1/2nd thick of aluminum alloy materials, the charge space of electric igniter is made to increase about 1.5 times, by above two embodiments, solve the Energy transmission technical indicator problem of electric igniter.
In order to solve insulaion resistance technical problem, be adopt insulating sleeve (11) again to pack tightly to lead-in wire (1); Antistatic escape orifice (10) and electrostatic screen space is designed with in order to improve antistatic technique problem;
A. between lead-in wire (1) heel and shell (9), design two electrostatic leakage holes (10), when electrostatic is by this two holes, electrostatic is released from these two holes, meets antistatic requirement;
B. adopt to the charge space of ignition powder (6) polytetrafluoroethylinsulating insulating tube (8) that insulating properties are high, sealing plate (7) and electrode plug (2) carry out full-enclosed structure design, to improve antistatic requirement.
By above new technology, following technical parameter requirement can be met:
1. the Energy transmission of electric igniter should meet the standard black powder column of reliable ignition 10mm distance;
2. safe current should meet: 300mA, 5min misfire;
3. firing current should meet 1.2A and reliably gets angry, wink degree of sending out≤15ms;
4. resistance should meet 2 ± 0.2 Ω;
5. insulaion resistance should meet >=20M Ω, 250V;
6. antistatic should meet 25KV/500PF/5000 Ω requirement;
7. the interface size of electric igniter should meet external diameter is φ 9mm, and screw thread is M8 × 0.75, and reach is 6mm, and electric igniter length is 9.5mm, and wire length is 170mm requirement.
Claims (8)
1. a secondary non-sensitive type electric igniter for direct current ignition, is characterized in that it is primarily of six parts compositions such as electric igniter (5), shell (9), insulation sleeve (8), sealing plate (7), ignition powder (6) and insulating sleeve (11); Wherein electric igniter (5) is made up of lead-in wire (1), electrode plug (2), bridge silk (3) and medicine head medicament (4); Electric igniter (5), insulation sleeve (8), sealing plate (7) and ignition powder (6) are contained in shell (9), antistatic escape orifice (10) design is on the lead-in wire (1) of electric igniter (5), and insulating sleeve (11) is enclosed within the cylinder of lead-in wire (1) and shell (9) end face.
2. the secondary non-sensitive type electric igniter of a kind of direct current ignition according to claim 1, it is characterized in that lead-in wire (1) passes through injection moulding, in middle intercalation electrode plug (2), bridge silk (3) is welded on the core of lead-in wire (1), core end face ionization electrode plug (2) end face is 2.5mm, bridge silk (3) adopts soldering on core, electrode plug (2) after welding is called bridge silk electrode plug, medicine head medicament (4) is coated on the bridge silk (3) of bridge silk electrode plug, bridge silk (3) all wraps in medicine head medicament (4), on the outer surface of medicine head medicament (4), moistureproof glue is coated with again after drying.
3. the secondary non-sensitive type electric igniter of a kind of direct current ignition according to claim 1, the lead-in wire (1) that it is characterized in that electric igniter (5) is processed with two electrostatic leakage holes (10), again electric igniter (5) is loaded in shell (9), again insulation sleeve (8) is loaded in shell (9), insulation sleeve (8) is contained on the step of electric igniter (5), then ignition powder (6) is loaded in insulation sleeve (8), cover sealing plate (7), again closing in crimping is carried out to shell (9), moistureproof glue is coated at sealing plate (7) and the closing in crimping place of shell (9).
4. the secondary non-sensitive type electric igniter of a kind of direct current ignition according to claim 1, it is characterized in that titanium mooring points powder composition (6) have employed a kind of titanium mooring points powder composition, shell (9) adopts stainless steel material.
5. a kind of direct current according to claim 1 secondary non-sensitive type electric igniter of getting angry, is characterized in that medicine head medicament (4) is for a kind of secondary non-sensitive type medicament, this medicament with detonate medicament lead styphnate oxidizer potassium hyperchlorate and antimony trisulfide formulated.
6. the secondary non-sensitive type electric igniter of a kind of direct current ignition according to claim 1, it is characterized in that bridge silk (3) adopts mariages bridge Welding Structure in parallel, bridge is apart from being 3mm, and bridge silk (3) diameter is φ 0.03mm, and bridge silk (3) adopts a kind of Precision resistance wire 6J20 nichrome wire material.
7. the secondary non-sensitive type electric igniter of a kind of direct current ignition according to claim 1, is characterized in that being designed with antistatic escape orifice (10) and electrostatic screen space in electric igniter;
A. devising two antistatic escape orifices (10) at lead-in wire (1) heel, is 0.3mm with shell (9) distance, b. electrostatic screen space is also ignition powder (6) charge space, electrode plug (2) material selection polyvinyl chloride, electrode plug (2) structure is designed to a ledge structure, external diameter is respectively the step of φ 5mm and φ 6mm, the polytetrafluoroethylene (PTFE) that insulation sleeve (8) material selection insulating properties are high, the pipe of structure is designed to external diameter to be φ 6mm internal diameter be φ 5mm, insulation sleeve (8) is contained on the step of electric igniter (5) electrode plug (2) φ 5mm, form the charge space that an internal diameter is φ 5mm, ignition powder (6) is contained in the charge space of insulation sleeve (8), after installing ignition powder (6), cover sealing plate (7), again to shell (9) closing in crimping.
8. the secondary non-sensitive type electric igniter of a kind of direct current ignition according to claim 1, is characterized in that two lead-in wires (1) be injection-moulded in electrode plug (2) are surrounded by an insulating sleeve (11) outward again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638987.5U CN204313720U (en) | 2014-10-31 | 2014-10-31 | The secondary non-sensitive type electric igniter that a kind of direct current is got angry |
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| CN201420638987.5U CN204313720U (en) | 2014-10-31 | 2014-10-31 | The secondary non-sensitive type electric igniter that a kind of direct current is got angry |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359356A (en) * | 2014-10-31 | 2015-02-18 | 湖南神斧集团向红机械化工有限责任公司 | Secondary insensitive type electric igniter adopting direct current ignition |
| CN108872740A (en) * | 2018-05-10 | 2018-11-23 | 中国人民解放军陆军工程大学 | The exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique under a kind of steady |
-
2014
- 2014-10-31 CN CN201420638987.5U patent/CN204313720U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359356A (en) * | 2014-10-31 | 2015-02-18 | 湖南神斧集团向红机械化工有限责任公司 | Secondary insensitive type electric igniter adopting direct current ignition |
| CN104359356B (en) * | 2014-10-31 | 2016-10-12 | 湖南神斧集团向红机械化工有限责任公司 | The secondary non-sensitive type electric igniter that a kind of unidirectional current is got angry |
| CN108872740A (en) * | 2018-05-10 | 2018-11-23 | 中国人民解放军陆军工程大学 | The exposed igniter wire ignition temperature rise calibration of electro explosive device and prediction technique under a kind of steady |
| CN108872740B (en) * | 2018-05-10 | 2020-10-20 | 中国人民解放军陆军工程大学 | Method for calibrating and predicting ignition temperature rise of exposed bridge wire of electric explosion device under steady state |
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Granted publication date: 20150506 Effective date of abandoning: 20161012 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |