CN104166187B - The explosion-proof type laser ignition joints of optical fibre - Google Patents
The explosion-proof type laser ignition joints of optical fibre Download PDFInfo
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- CN104166187B CN104166187B CN201310183951.2A CN201310183951A CN104166187B CN 104166187 B CN104166187 B CN 104166187B CN 201310183951 A CN201310183951 A CN 201310183951A CN 104166187 B CN104166187 B CN 104166187B
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- contact pin
- housing
- light contact
- joints
- face
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Abstract
The present invention relates to optical connector field, particularly relate to a kind of explosion-proof type laser ignition joints of optical fibre. These joints of optical fibre comprise housing and light contact pin component, light contact pin component comprises the light contact pin and the tail cover that are one in front and one in back assembled together, the front end of housing is fixedly equipped with end cover, in end cover, have gunpowder installing hole corresponding with light contact pin, that front and back connect, the front end of gunpowder installing hole has closing-in structure. Because these explosion-proof type laser ignition joints of optical fibre are fixedly equipped with end cover at the front end of its housing, and in end cover, there is gunpowder installing hole corresponding with light contact pin, that front and back connect, the front end of gunpowder installing hole has closing-in structure, therefore can overlap the front portion that gunpowder is fixedly assemblied in to housing by end, thereby the location between gunpowder face and light contact pin is realized in the mutual location of overlapping between housing by end, and then control accurately the distance between light contact pin front end face and gunpowder face, solve the problem of the poor reliability of current Laser Ignition System existence.
Description
Technical field
The present invention relates to optical connector field, particularly relate to a kind of explosion-proof type laser ignition joints of optical fibre.
Background technology
At present, along with the application of optical fiber and universal rapidly, luminous energy has all obtained application very widely at communication, industrial production and even space industry. And along with the manifesting gradually of the drawback of mechanical point ignition system, Laser Ignition Processes has gradually been used in engine. In the time adopting laser to light a fire to engine, need to use the joints of optical fibre, be used at present the joints of optical fibre in Laser Ignition Processes taking ST or the FC joints of optical fibre as main, to adopt the ignition system of the ST type joints of optical fibre as example, its operation principle is as follows: the ignition location place that gunpowder box and the joints of optical fibre is placed in respectively to engine, igniting laser beam penetrates and gets on the priming powder gunpowder box from optical connector light contact pin front end face, priming powder exploding primer under the effect of laser beam.
In above-mentioned Laser Ignition System, because joints of optical fibre front end place does not have corresponding for the structure of gunpowder box is installed, therefore, in assembling process, distance between light contact pin front end face and gunpowder face is difficult to control accurately, and the unavoidable meeting from the front end face of light contact pin penetrates of igniting laser is dispersed and off-energy because produce, once the hypertelorism between light contact pin and front end face and gunpowder face, lighting a fire the loss of laser will certainly be larger, very likely cause in this case the energy shortage of igniting laser to ignite gunpowder, finally cause loss of ignition. This directly makes the reliability of current Laser Ignition System have a greatly reduced quality.
In addition, due on the joints of optical fibre not for fixing structure or the parts of igniter, therefore, at ignition point, the impulsive force that gunpowder explosion produces can directly be gone out shatter the joints of optical fibre, and this can form serious threat to the miscellaneous equipment in surrounding enviroment or device undoubtedly, causes device interior to occur fifth wheel, simultaneously also unavoidable meeting causes personal injury to periphery staff, and therefore the security performance of the current joints of optical fibre for igniter still needs to be considered.
Summary of the invention
The object of the present invention is to provide a kind of explosion-proof type laser ignition joints of optical fibre, to control accurately the distance between light contact pin end face and gunpowder face, solve the problem of the poor reliability of current Laser Ignition System existence.
In order to address the above problem, the explosion-proof type laser ignition joints of optical fibre of the present invention are by the following technical solutions: the explosion-proof type laser ignition joints of optical fibre, comprise housing and be fixedly assemblied in the light contact pin component in housing, light contact pin component comprises the light contact pin and the tail cover that are one in front and one in back assembled together, the front end of housing is fixedly equipped with end cover, in end cover, have gunpowder installing hole corresponding with light contact pin, that front and back connect, the front end of gunpowder installing hole has closing-in structure.
The front portion of light contact pin stretches in described gunpowder installing hole, and its front end face is plane.
The front portion of light contact pin is equipped with sleeve pipe, and the front end face of sleeve pipe is plane and the front end face front that is positioned at light contact pin or concordant with the front end face of light contact pin, and end face coordinates with the front end face thrust of tail cover thereafter.
Described end cover is by screw thread and housing secure fit.
Housing be provided with for the syndeton of igniter secure fit.
Described syndeton is the external screw thread being located on housing.
Described housing is provided with to the gear edge of protruding to the periphery in week, and described gear is along being positioned at its externally threaded rear place.
Between the outer peripheral face of tail cover and the internal face of housing, be provided with circumferential seal circle.
Because these explosion-proof type laser ignition joints of optical fibre are fixedly equipped with end cover at the front end of its housing, and in end cover, have corresponding with light contact pin, the gunpowder installing hole that front and back connect, the front end of gunpowder installing hole has closing-in structure, therefore, when in use, can overlap the front portion that gunpowder is fixedly assemblied in to housing by end, thereby the location between gunpowder face and light contact pin is realized in the mutual location of overlapping between housing by end, and then control accurately the distance between light contact pin front end face and gunpowder face, solve the problem of the poor reliability of current Laser Ignition System existence.
Further, the front end face of light contact pin being made as to plane is in order further accurately to control the distance between light contact pin front end face and gunpowder face; Sleeve pipe has further ensured the planarization of end face light contact pin front end place, that coordinate with gunpowder face, and end cover can precisely be controlled to its installation site by Screw assembly on housing; Fixed structure on housing, for this connector is fixed on to corresponding igniter, avoids gunpowder explosion moment that connector shake is flown; External application external screw thread is easy to operate on the one hand as syndeton, also can ensure on the other hand the axial load performance of housing and igniter cooperation place; Gear, along can be used for coordinating and being pressed in corresponding igniter with external screw thread, plays the effect of sealing and reinforcing; Circumferential seal circle can prevent that the air-flow of gunpowder explosion moment generation is from the cooperation position ejection of housing and light contact pin component.
Brief description of the drawings
Fig. 1 is the structural representation of the explosion-proof type laser ignition joints of optical fibre.
Detailed description of the invention
The embodiment of the explosion-proof type laser ignition joints of optical fibre, as shown in Figure 1, comprise housing 11, in the present embodiment, housing 11 is roughly tubular, and its outer peripheral face is provided with external screw thread, this external screw thread is for being fixedly assemblied in corresponding igniter by housing 11, housing 11 also has to the gear protruding to the periphery in week along 111, and gear compresses corresponding igniter along 111 for coordinating with external screw thread, further plays the effect that prevents that housing 11 from getting loose; The endoporus of housing 11 is three grades of stepped holes that diminish gradually from front to back, according to the relative size of above three grades of every one-levels, they is become respectively to large footpath section, central diameter section and path section herein, and wherein large footpath Duan Chu is provided with internal thread. In housing 11, be fixedly equipped with light contact pin component, light contact pin component comprises the light contact pin 12 and the tail cover 13 that are one in front and one in back assembled together, and its structure is prior art, and it will not go into details herein. Wherein the front portion of light contact pin is set with sleeve pipe 16, between the front end face of the rear end face of sleeve pipe 16 and tail cover 13, thrust coordinates, the front end face of light contact pin 12 and sleeve pipe 16 is plane and coplanar, and their front end face is polished, and 16 of sleeve pipes have ensured the flatness of the front end face of light contact pin 12. Step surface on tail cover 13 with in housing endoporus, the step surface that forms between path section coordinates and can prevent that light contact pin component from deviating from from the rear end of housing 11, tail overlap 13 and the endoporus hole wall of housing 11 between be also provided with circumferential seal circle 14. The front portion of housing 11 is also fixedly equipped with end cover 15, in the present embodiment, end cover 15 is fixedly assemblied in the large footpath section of endoporus of housing 11 by external screw thread, its profile roughly cylindrical and front end has gunpowder installing hole corresponding with light contact pin 12, that front and back are penetrating, the front portion of light contact pin 12 is inserted in gunpowder installing hole, and the front end of gunpowder installing hole has closing-in structure.
In other embodiment of the Anti-falling laser ignition joints of optical fibre, the fixed structure on housing, external screw thread can also substitute by ring flange.
Claims (7)
1. the explosion-proof type laser ignition joints of optical fibre, comprise housing and be fixedly assemblied in the light contact pin component in housing, light contact pin component comprises the light contact pin and the tail cover that are one in front and one in back assembled together, it is characterized in that, the front end of housing is fixedly equipped with end cover, in end cover, have gunpowder installing hole corresponding with light contact pin, that front and back connect, the front end of gunpowder installing hole has closing-in structure; The front portion of light contact pin is equipped with sleeve pipe, and the front end face of sleeve pipe is plane and the front end face front that is positioned at light contact pin or concordant with the front end face of light contact pin, and end face coordinates with the front end face thrust of tail cover thereafter.
2. the explosion-proof type laser ignition joints of optical fibre according to claim 1, is characterized in that, the front portion of light contact pin stretches in described gunpowder installing hole, and its front end face is plane.
3. the explosion-proof type laser ignition joints of optical fibre according to claim 1 and 2, is characterized in that, described end cover is by screw thread and housing secure fit.
4. the explosion-proof type laser ignition joints of optical fibre according to claim 1 and 2, is characterized in that, housing be provided with for the syndeton of igniter secure fit.
5. the explosion-proof type laser ignition joints of optical fibre according to claim 4, is characterized in that, described syndeton is the external screw thread being located on housing.
6. the explosion-proof type laser ignition joints of optical fibre according to claim 5, is characterized in that, described housing is provided with to the gear edge of protruding to the periphery in week, and described gear is along being positioned at its externally threaded rear place.
7. the explosion-proof type laser ignition joints of optical fibre according to claim 4, is characterized in that, between the outer peripheral face of tail cover and the internal face of housing, are provided with circumferential seal circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183951.2A CN104166187B (en) | 2013-05-17 | 2013-05-17 | The explosion-proof type laser ignition joints of optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183951.2A CN104166187B (en) | 2013-05-17 | 2013-05-17 | The explosion-proof type laser ignition joints of optical fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104166187A CN104166187A (en) | 2014-11-26 |
| CN104166187B true CN104166187B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310183951.2A Active CN104166187B (en) | 2013-05-17 | 2013-05-17 | The explosion-proof type laser ignition joints of optical fibre |
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| CN (1) | CN104166187B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678508B (en) * | 2014-12-11 | 2017-04-19 | 中航光电科技股份有限公司 | Explosive shock-resistant optical fiber connector plug |
| CN110632705B (en) * | 2019-05-23 | 2021-06-04 | 中航光电科技股份有限公司 | Optical fiber connector socket for ignition detonation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08303301A (en) * | 1995-05-10 | 1996-11-19 | Mitsubishi Heavy Ind Ltd | Laser ignition type ordnance firing part |
| US6539868B1 (en) * | 1999-07-06 | 2003-04-01 | Institut Franco-Allemand De Recherches De Saint-Louis | Optical igniter with graded index glass rod |
| FR2846408A1 (en) * | 2002-10-23 | 2004-04-30 | Dassault Aviat | Aircraft/satellite structure separation pyrotechnic charge initiation mechanism having charge and luminous energy source initiator connected optical fibre with constant index fibre extension within charge area |
| FR2914056A1 (en) * | 2007-03-21 | 2008-09-26 | Nexter Munitions Sa | Pyrotechnic initiator e.g. igniter type initiator, has optical fiber with front part that is sealed in intermediate ring fixed to connector, where end of part of fiber is found directly in contact with pyrotechnic composition or explosive |
| CN201262655Y (en) * | 2008-08-29 | 2009-06-24 | 中航光电科技股份有限公司 | Optical fiber connector for laser initiation and ignition system |
| CN102736187A (en) * | 2012-06-13 | 2012-10-17 | 中航光电科技股份有限公司 | Pin component for optical fiber adaptor connector |
-
2013
- 2013-05-17 CN CN201310183951.2A patent/CN104166187B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08303301A (en) * | 1995-05-10 | 1996-11-19 | Mitsubishi Heavy Ind Ltd | Laser ignition type ordnance firing part |
| US6539868B1 (en) * | 1999-07-06 | 2003-04-01 | Institut Franco-Allemand De Recherches De Saint-Louis | Optical igniter with graded index glass rod |
| FR2846408A1 (en) * | 2002-10-23 | 2004-04-30 | Dassault Aviat | Aircraft/satellite structure separation pyrotechnic charge initiation mechanism having charge and luminous energy source initiator connected optical fibre with constant index fibre extension within charge area |
| FR2914056A1 (en) * | 2007-03-21 | 2008-09-26 | Nexter Munitions Sa | Pyrotechnic initiator e.g. igniter type initiator, has optical fiber with front part that is sealed in intermediate ring fixed to connector, where end of part of fiber is found directly in contact with pyrotechnic composition or explosive |
| CN201262655Y (en) * | 2008-08-29 | 2009-06-24 | 中航光电科技股份有限公司 | Optical fiber connector for laser initiation and ignition system |
| CN102736187A (en) * | 2012-06-13 | 2012-10-17 | 中航光电科技股份有限公司 | Pin component for optical fiber adaptor connector |
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| Publication number | Publication date |
|---|---|
| CN104166187A (en) | 2014-11-26 |
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