CN103954180A - Igniter electrode of detonation valve - Google Patents
Igniter electrode of detonation valve Download PDFInfo
- Publication number
- CN103954180A CN103954180A CN201410165546.2A CN201410165546A CN103954180A CN 103954180 A CN103954180 A CN 103954180A CN 201410165546 A CN201410165546 A CN 201410165546A CN 103954180 A CN103954180 A CN 103954180A
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- electrode
- resistance bridge
- igniter
- insulation filler
- chip
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Abstract
The invention discloses an igniter electrode of a detonation valve. The igniter electrode of the detonation valve comprises a substrate and resistance bridge chips connected to each other; the substrate comprises a shell, an insulation filler and an electrode; the insulation filler is arranged in the shell; the electrode is arranged in the insulation filler; two end parts of the electrode respectively extend out of the upper end surface and the lower end surface of the insulation filler; the distance, extending out of the lower end surface of the insulation filler, of the electrode is 0.2-1.5mm; each resistance bridge chip comprises a chip and a resistance bridge film; each resistance bridge film is arranged at the surface of the corresponding chip; through holes are formed in two ends of each resistance bridge film; each chip is 0.5-1mm thick. The igniter electrode of the detonation valve has the beneficial effects that the electrode is used for converting an electric signal of control systems such as a nuclear station into heat energy for outputting and can be produced in batch, so the manufacturing efficiency of an igniter is greatly improved and the manufacturing cost of the igniter is reduced.
Description
Technical field
The invention belongs to firer's technical field, be mainly used in nuclear power station, be specifically related to a kind of explosive valve igniter electrode.
Background technology
Explosive valve is the exclusive safety valve of current state-of-the-art three generations's nuclear power station, can effectively alleviate and prevent major accident, has reduced nuclear power generating sets safety means quantity, improves unit safety and economy, is one of technological highlights of generation Ⅲ nuclear power unit.
Explosion unit is the core component of explosive valve, is also the maximum difference of explosive valve and common nuclear safety valve, and igniter is in explosion unit, directly to receive the device of valve opening signal (characteristic current pulse signal), is one of Primary Component of explosive valve.Explosive valve is comprised of electrode and two topmost parts of gunpowder with igniter.Electrode plays a part current pulse signal to be converted into and to light the required heat energy of gunpowder, and gunpowder is the ignite energy source of explosive valve cased charge of igniter, and the less heat energy of electrode output is significantly amplified.In prior art, the electrode of igniter is manufactured by welded bridge silk on contact pin pedestal, and necessary single welding, is difficult to realize mass, automated production, manufactures efficiency lower, and cost is higher, and the length uniformity of bridge silk is difficult to control.
Summary of the invention
The present invention has overcome the necessary single welding of electrode of the prior art, what exist is difficult to realize mass, automated production, manufacture efficiency is low, the deficiency that cost is higher, a kind of mass manufacture that is suitable for is provided, can improve the production efficiency of igniter, the explosive valve igniter electrode reducing production costs.
The present invention is by the following technical solutions:
A kind of explosive valve igniter electrode, comprise interconnective pedestal and resistance bridge chip, described pedestal comprises housing, insulation filler and electrode, described insulation filler is arranged in described housing, described electrode is arranged in described insulation filler, and the upper surface of described insulation filler and lower surface and described electrode are stretched out respectively in described electrode both ends, and to stretch out the distance of insulation filler lower surface be 0.2-1.5mm; Described resistance bridge chip comprises substrate and resistance bridge film, and described resistance bridge film is arranged on described substrate surface, and described resistance bridge film two ends are provided with through hole, and the thickness of described substrate is 0.5-1mm.
Further technical scheme is, the number of described resistance bridge chip is several, and described several resistance bridge chips form a rectangle substrate.
Housing described in the technical program, insulation filler and contact pin become one by high temperature sintering, and after sintering, the distance that described contact pin stretches out insulation filler lower surface is 0.2-1.5mm, by stretching out a segment distance for assembling resistance bridge chip; Resistance bridge chip is comprised of substrate and resistance bridge film, and reserved two through holes on substrate, for penetrating contact pin.Substrate is rectangular ceramic sheet, silicon chip or printed circuit board, and the distance that the thickness of described substrate and contact pin stretch out insulation filler lower surface matches, and is 0.5-1mm.Resistance bridge film is the resistive film that resistivity is larger, as Cr, NiCr, Ti etc., pass through evaporation coating, the vapour deposition modes such as magnetron sputtering plating are deposited on certain thickness resistance bridge film on contact pin, and adopt photoetching or peel off the resistance bridge film that the method for forming obtains given shape, the resistance of resistance bridge film is 1 ± 0.1 Ω, then by resistance bridge chip being assemblied in to the ground of pedestal, contact pin on pedestal penetrates in two through holes of resistance bridge chip, adopt again scolding tin by contact pin and the welding of resistance bridge film, during welding, need to guarantee resistance bridge chip ground and base bottom surface laminating, resistance bridge film outwardly, by said structure, just can complete the manufacture of single explosive valve igniter electrode, relatively improved production efficiency with existing manufacture, in the technical program, at a rectangle substrate (for example pass through, ceramic substrate, silicon chip or printed circuit board) upper mass simultaneous (for example manufactures a plurality of resistance bridge chip arrays, the number of resistance bridge chip is 24), and it is scratched and obtains single resistance bridge chip from rectangle substrate by single resistance bridge chip to adopt scribing equipment, for assembling and welding with pedestal, thereby formation electrode, thereby manufacture a plurality of resistance bridge chip arrays by mass simultaneous on a slice rectangle substrate, thereby complete the assembling of a plurality of pedestals and welding, just can realize to explosive valve the mass production with igniter electrode, just can greatly improve the manufacture efficiency of igniter and reduce manufacturing cost.
Further technical scheme is, described housing adopts stainless steel or kovar alloy to make.
Further technical scheme is, described insulation filler adopts glass or pottery to make.
Further technical scheme is, described resistance bridge film is made by Cr, NiCr or Ti.
Further technical scheme is, the resistance of described resistance bridge film is 1 ± 0.1 Ω.
Further technical scheme is, described resistance bridge film be shaped as U-shaped, S shape or rectangle.
Compared with prior art, the invention has the beneficial effects as follows:
Electrode of the present invention is for the nuclear power station dispatch control system signal of telecommunication being converted into heat energy output, can mass production, and can greatly improve the manufacture efficiency of igniter and reduce manufacturing cost.
Accompanying drawing explanation
Fig. 1 is blow-up point firearm electrode structure schematic diagram of the present invention.
Fig. 2 is that blow-up point firearm electrode of the present invention is looked up structural representation.
Fig. 3 is base construction schematic diagram in blow-up point firearm electrode of the present invention.
Fig. 4 is resistance bridge chip structure schematic diagram in blow-up point firearm electrode of the present invention.
Fig. 5 is the resistance bridge chip array schematic diagram of rectangle substrate of the present invention.
In figure: 1 pedestal, 2 resistance bridge chips, 3 rectangle substrates, 11 housings, 12 insulation filler, 13 contact pins, 21 substrates, 22 resistance bridge films, 23 through holes.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
As Figure 1-5, a kind of explosive valve igniter electrode, comprise interconnective pedestal 1 and resistance bridge chip 2, described pedestal 1 comprises housing 11, insulation filler 12 and electrode 13, described insulation filler 12 is arranged in described housing 11, described electrode 13 is arranged in described insulation filler 12, the upper surface of described insulation filler 12 and lower surface and described electrode 13 are stretched out respectively in described electrode 13 both ends, and to stretch out the distance of insulation filler 12 lower surfaces be 0.2-1.5mm, described resistance bridge chip 2 comprises substrate 21 and resistance bridge film 22, described resistance bridge film 22 is arranged on described substrate 21 surfaces, and described resistance bridge film 22 two ends are provided with through hole 23, the thickness of described substrate 21 is 0.5-1mm.The number of described resistance bridge chip 2 is several (for example, described resistance bridge chip is 24), and described several resistance bridge chips 2 form a rectangle substrate 3.
According to one embodiment of present invention, described housing 11 adopts stainless steel or kovar alloy to make, and described insulation filler 12 adopts glass or pottery to make.
According to one embodiment of present invention, described resistance bridge film 22 is made by Cr, NiCr or Ti, and the resistance of described resistance bridge film 22 is 1 ± 0.1 Ω, described resistance bridge film 22 be shaped as U-shaped, S shape or rectangle.
The process that the present invention manufactures is in batches as follows:
First on a slice rectangle substrate 3, mass is manufactured a plurality of resistance bridge chip 2 arrays, adopts scribing equipment that resistance bridge chip 2 arrays are scratched, and obtains single resistance bridge chip 2, and resistance bridge chip 2 is containing two through holes 23, and the resistance of resistance bridge chip 2 is 1 ± 0.1 Ω;
Resistance bridge chip 2 is assemblied in to the bottom surface of pedestal 1, the contact pin 13 of pedestal 1 penetrates in two through holes 23 of resistance bridge chip 2;
Adopt scolding tin by contact pin 13 and 22 welding of resistance bridge film, during welding, guarantee that resistance bridge chip 2 bottom surfaces and pedestal 1 bottom surface fit, contain outside the facing of resistance bridge film 22.
Thereby complete the assembling of a plurality of pedestals 1 and welding by manufacture a plurality of resistance bridge chip 2 arrays in batches on a slice rectangle substrate 3, just can realize to explosive valve the mass production with igniter electrode, just can greatly improve the manufacture efficiency of igniter and reduce manufacturing cost.
" embodiment " that spoken of in this manual, " another embodiment ", " embodiment ", etc., refer to specific features, structure or the feature in conjunction with this embodiment, described and be included at least one embodiment that the application's generality describes.In description, a plurality of local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while describing a specific features, structure or feature in conjunction with arbitrary embodiment, what advocate is in conjunction with other embodiment, to realize this feature, structure or feature also to fall within the scope of the invention.
Although invention is described with reference to a plurality of explanatory embodiment of the present invention here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (7)
1. an explosive valve igniter electrode, comprise interconnective pedestal (1) and resistance bridge chip (2), it is characterized in that: described pedestal (1) comprises housing (11), insulation filler (12) and electrode (13), described insulation filler (12) is arranged in described housing (11), described electrode (13) is arranged in described insulation filler (12), and the upper surface of described insulation filler (12) and lower surface and described electrode (13) are stretched out respectively in described electrode (13) both ends, and to stretch out the distance of insulation filler (12) lower surface be 0.2-1.5mm;
Described resistance bridge chip (2) comprises substrate (21) and resistance bridge film (22), described resistance bridge film (22) is arranged on described substrate (21) surface, and described resistance bridge film (22) two ends are provided with through hole (23), and the thickness of described substrate (21) is 0.5-1mm.
2. explosive valve according to claim 1 igniter electrode, it is characterized in that: the number of described resistance bridge chip (2) is several, and described several resistance bridge chips (2) forms a rectangle substrate (3).
3. explosive valve according to claim 1 and 2 igniter electrode, is characterized in that: described housing (11) adopts stainless steel or kovar alloy to make.
4. explosive valve according to claim 1 and 2 igniter electrode, is characterized in that: described insulation filler (12) adopts glass or pottery to make.
5. explosive valve according to claim 1 and 2 igniter electrode, is characterized in that: described resistance bridge film (22) is made by Cr, NiCr or Ti.
6. explosive valve according to claim 5 igniter electrode, is characterized in that: the resistance of described resistance bridge film (22) is 1 ± 0.1 Ω.
7. explosive valve according to claim 5 igniter electrode, is characterized in that: described resistance bridge film (22) be shaped as U-shaped, S shape or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410165546.2A CN103954180A (en) | 2014-04-23 | 2014-04-23 | Igniter electrode of detonation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410165546.2A CN103954180A (en) | 2014-04-23 | 2014-04-23 | Igniter electrode of detonation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103954180A true CN103954180A (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410165546.2A Pending CN103954180A (en) | 2014-04-23 | 2014-04-23 | Igniter electrode of detonation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103954180A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847309A (en) * | 1995-08-24 | 1998-12-08 | Auburn University | Radio frequency and electrostatic discharge insensitive electro-explosive devices having non-linear resistances |
| CN101573584A (en) * | 2006-10-26 | 2009-11-04 | 日本化药株式会社 | Squib and gas generator for air bag and gas generator for seat belt pretensioner |
| CN101975534A (en) * | 2010-05-17 | 2011-02-16 | 中国兵器工业第二一三研究所 | Insensitive electric igniter for nuclear blast valve |
| CN102927590A (en) * | 2012-10-26 | 2013-02-13 | 中国电子科技集团公司第四十八研究所 | Metal film bridge igniter and preparation method thereof |
-
2014
- 2014-04-23 CN CN201410165546.2A patent/CN103954180A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847309A (en) * | 1995-08-24 | 1998-12-08 | Auburn University | Radio frequency and electrostatic discharge insensitive electro-explosive devices having non-linear resistances |
| CN101573584A (en) * | 2006-10-26 | 2009-11-04 | 日本化药株式会社 | Squib and gas generator for air bag and gas generator for seat belt pretensioner |
| CN101975534A (en) * | 2010-05-17 | 2011-02-16 | 中国兵器工业第二一三研究所 | Insensitive electric igniter for nuclear blast valve |
| CN102927590A (en) * | 2012-10-26 | 2013-02-13 | 中国电子科技集团公司第四十八研究所 | Metal film bridge igniter and preparation method thereof |
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Application publication date: 20140730 |