CN110486750A - Semiconductor laser ignition system based on double optical fiber dual wavelength self-tests - Google Patents
Semiconductor laser ignition system based on double optical fiber dual wavelength self-tests Download PDFInfo
- Publication number
- CN110486750A CN110486750A CN201910705991.6A CN201910705991A CN110486750A CN 110486750 A CN110486750 A CN 110486750A CN 201910705991 A CN201910705991 A CN 201910705991A CN 110486750 A CN110486750 A CN 110486750A
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- China
- Prior art keywords
- light source
- optical fiber
- detection
- photoswitch
- igniting
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/22—Details
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Semiconductor Lasers (AREA)
Abstract
The invention belongs to laser ignition field, especially a kind of semiconductor laser ignition system based on double optical fiber dual wavelength self-tests.Including drive control module, igniting light source, detection light source, photoswitch, igniter and photodetector；Igniting light source, detection light source one end are connect with drive control module, and the other end passes through the first optical fiber connector respectively and the second optical fiber connector is connect with photoswitch；The photoswitch other end is connect by third optical fiber connector and coupling optical fiber with igniter；Photodetector one end is connect by coupling optical fiber with igniter, and the other end is connect with drive control module.The present invention, come the switching on control point flame road and light path, is avoided because using coupler bring laser power to decay by photoswitch, and is avoided that the mistake of igniter is under fire, and plays the role of optics insurance.
Description
Technical field
The invention belongs to laser ignition field, especially a kind of semiconductor laser igniting based on double optical fiber dual wavelength self-tests
System.
Background technique
In laser ignition/initiation system, energy is transferred to the surface of transducing member ignition powder by laser by optical fiber, thus
Priming system is lighted a fire or detonated.Laser ignition initiation system requires to detect the continuity of entire light path system, therefore needs
A kind of laser priming system optical window is wanted quantitatively to examine the reflection of generation incident light of part detection light to detection fiber by photoelectric conversion
The optical power that the detection light of detection fiber is reflected into from optical window is surveyed, to judge the continuity of entire light path system.
Need to light a fire laser and detection laser coupled in traditional Laser Ignition System by coupler to all the way, it is this
Mode will increase the decaying of laser power.The switching of detection pattern and ignition mode is usually optical path after the completion of system detection
Completely switched again by manually adjusting.This mode of operation to semiconductor laser ignition system application for feasibility not
It is high.
Summary of the invention
Technical problem solved by the invention is to provide a kind of semiconductor laser point based on double optical fiber dual wavelength self-tests
Fiery system.
The technical solution for realizing the aim of the invention is as follows:
A kind of semiconductor laser ignition system based on double optical fiber dual wavelength self-tests, including drive control module, point flame
Source, detection light source, photoswitch, igniter and photodetector；
The igniting light source, detection light source one end are connect with drive control module, and the other end passes through the first optical fiber company respectively
It connects device and the second optical fiber connector is connect with photoswitch；The photoswitch other end passes through third optical fiber connector and coupling optical fiber and point
Firearm connection；Photodetector one end is connect by coupling optical fiber with igniter, and the other end is connect with drive control module.
It further, further include controller, controller is connect by communication interface with drive control module.
Further, the coupling optical fiber includes input optical fibre and detection fiber, the third optical fiber connector and input
Optical fiber connection, the photodetector are connect with detection fiber.
Further, the core diameter of the input optical fibre is 80~120um, and the core diameter of detection fiber is 200um
~400um.
Further, the igniting light source and detection light source are the laser of two different wave lengths, and the igniting light source is defeated
The low power laser of igniting of the high power laser light out for energetic material in igniter, the detection light source output is used for system
The detection of middle optical path integrality.
Further, the photoswitch switches between igniting optical path and light path, and system is in self-test and protection
When mode, photoswitch separates firing circuit, plays the role of optics security.
Further, the drive control module has self-test signal identification function, by judging whether self-test signal is full
The sufficient complete reference value of optical path carries out the switching control of self-test and fired state.
Further, the system comprises following 3 kinds of operating modes:
Insurance model: power supply power supply, the igniting light source, detection light source and photoswitch are not powered, and the photoswitch is in
Light path；
Detection pattern: the drive control module receives detection instruction, releases detection light source electronic insurance, detects light source work
Make, photoswitch connects light path, and system starts to carry out optical path detection；
Ignition mode: the drive control module is judged to issue firing command after self-test is qualified, releases igniting light source and protect
Danger, detection light source are insured, and optical path is switched to igniting optical path by the photoswitch, and system starts to carry out ignition operation.
Compared with prior art, the present invention its remarkable advantage is as follows:
(1) present invention is avoided by photoswitch come the switching on control point flame road and light path because using coupler band
The laser power decaying come, and it is avoided that the mistake of igniter is under fire, play the role of optics insurance；
(2) drive control module of the present invention includes that self-test signal identifies and judges function, and sends out automatically after judgement is qualified
Firing command carries out ignition action out, and intelligentized control avoids probably due to being accidentally under fire caused by human operational error.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Semiconductor laser ignition system schematic diagram of the Fig. 1 based on double optical fiber dual wavelength self-tests.
Fig. 2 couples optical fiber SMA905 contact cross-section schematic diagram.
Description of symbols:
1- controller, 2- communication interface, 3- power supply interface, 4- drive control module, 5- igniting light source, 6- detect light source,
The first optical fiber connector of 7-, the second optical fiber connector of 8-, 9- photoswitch, 10- third optical fiber connector, 11-1- input optical fibre,
11-2- detection fiber, 11- couple optical fiber, 12- igniter, 13- photodetector, 14- circuit board.
Specific embodiment
Based on the semiconductor laser ignition system of double optical fiber dual wavelength self-tests, which includes: drive control module 4, point
Flame source 5, detection light source 6, the first optical fiber connector 7, the second optical fiber connector 8, third optical fiber connector 10, igniter 12,
Photodetector 13, the system further include photoswitch 9, coupling optical fiber 11；Drive control module 4 respectively with igniting light source 5, detection
Light source 6, photoswitch 9, photodetector 13 connect；Photoswitch 9 is connect by the first optical fiber connector 7 with igniting light source 5；Light is opened
9 are closed to connect by the second optical fiber connector 8 with detection light source 6；Igniter 12 passes through third optical fiber connector 10 and coupling optical fiber
11 connect with photoswitch 9；Photodetector 13 is connect by coupling optical fiber 11 with igniter 12.
Operating mode:
1, insurance model: power supply power supply, the devices such as laser, photoswitch 9, photodiode are not powered, and system, which is in, protects
Dangerous mode.
2, detection pattern: detection laser arming, laser works output detection laser, photoswitch 9 are in detection
Optical path, system carry out self-test；Self-test is qualified, and system starts to light a fire；Self-test is unqualified, and system enters insurance model.
3, ignition mode: releasing igniting laser insurance, laser works output igniting laser, and photoswitch 9 switches to a little
Flame road, system are lighted a fire；Igniting is completed, and system enters insurance model.
As shown in Figure 1, the semiconductor laser ignition system based on double optical fiber dual wavelength self-tests include: drive control module 4,
Light a fire light source 5, detection light source 6, the first optical fiber connector 7, the second optical fiber connector 8, photoswitch 9, third optical fiber connector 10,
Couple optical fiber 11, igniter 12, photodetector 13.
When being in insurance model, 4 control point flame source 5 of drive control module and detection light source 6 are in protected mode, light
9 optical path of switch is in light path, and igniting light source 5 and detection light source 6 are in off working state, and igniting optical path is in open circuit；When
When in detection pattern, the control of drive control module 4 releases detection 6 electronic insurance of light source, and drive control module exports detection light
Source operating current, the detection work output detection laser of light source 6 carry out optical path detection, reflect through 12 optical window of igniter, photoelectricity
Detector 13 receives detection laser signal, is converted to electric signal and feeds back to drive control module 4, self-test is completed；Ignition mode,
Drive control module 4 carries out the actual value of detection signal compared with setting value, if actual value is greater than the set value, optical path is complete,
Drive control module 4 releases igniting 5 powered electronic of light source insurance, while starting detection 6 powered electronic of light source insurance, drive control
5 operating current of module output point flame source, laser works output igniting laser, while drive control module 4 controls photoswitch 9
Optical path is switched into igniting optical path, system is lighted a fire；After the completion of igniting, laser is insured and 9 optical path of photoswitch switches back to
Light path.
In the present embodiment, igniting optical source wavelength is 808nm, peak power output 3.5W；Detection optical source wavelength is 638nm,
The micro- 0.1W of peak power output；Photoswitch is 1 × 2 mechanical optical switch.
Claims (8)
1. a kind of semiconductor laser ignition system based on double optical fiber dual wavelength self-tests, which is characterized in that including drive control mould
Block (4), igniting light source (5), detection light source (6), photoswitch (9), igniter (12) and photodetector (13)；
The igniting light source (5), detection light source (6) one end are connect with drive control module (4), and the other end passes through the first light respectively
Fiber connector (7) and the second optical fiber connector (8) are connect with photoswitch (9)；Photoswitch (9) other end is connected by third optical fiber
Device (10) and coupling optical fiber (11) are connect with igniter (12)；Photodetector (13) one end passes through coupling optical fiber (11) and igniting
Device (12) connection, the other end are connect with drive control module.
2. ignition system according to claim 1, which is characterized in that further include controller (1), controller (1) passes through logical
Communication interface (2) is connect with drive control module (4).
3. ignition system according to claim 1, which is characterized in that the coupling optical fiber (11) includes input optical fibre (11-
1) it is connect with detection fiber (11-2), the third optical fiber connector (10) with input optical fibre (11-1), the photodetector
(13) it is connect with detection fiber (11-2).
4. ignition system according to claim 3, which is characterized in that the core diameter of the input optical fibre (11-1) is 80
~120um, the core diameter of detection fiber (11-2) are 200um~400um.
5. ignition system according to claim 1, which is characterized in that the igniting light source (5) and detection light source (6) be two
The laser of a different wave length, the high power laser light of igniting light source (5) output is for energetic material in igniter (12)
Igniting, detection of the low power laser of detection light source (6) output for optical path integrality in system.
6. ignition system according to claim 1, which is characterized in that the photoswitch (9) is in igniting optical path and detection light
Switch between road, and when system is in self-test and protected mode, photoswitch (9) separates firing circuit, plays the work of optics security
With.
7. ignition system according to claim 1, which is characterized in that the drive control module (4) has self-test signal
Identification function, by judging whether self-test signal meets the switching control that the complete reference value of optical path carries out self-test and fired state
System.
8. ignition system according to claim 1, which is characterized in that the system comprises following 3 kinds of operating modes:
Insurance model: power supply power supply, the igniting light source (5), detection light source (6) and photoswitch are not powered, the photoswitch (9)
In light path；
Detection pattern: the drive control module (4) receives detection instruction, releases detection light source (6) electronic insurance, detects light source
(6) it works, photoswitch (9) connects light path, and system starts to carry out optical path detection；
Ignition mode: the drive control module (4) is judged to issue firing command after self-test is qualified, releases and light a fire light source (5)
Insurance, detection light source (6) are insured, and optical path is switched to igniting optical path by photoswitch (9), and system starts to carry out ignition operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705991.6A CN110486750A (en) | 2019-08-01 | 2019-08-01 | Semiconductor laser ignition system based on double optical fiber dual wavelength self-tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705991.6A CN110486750A (en) | 2019-08-01 | 2019-08-01 | Semiconductor laser ignition system based on double optical fiber dual wavelength self-tests |
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| CN110486750A true CN110486750A (en) | 2019-11-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910705991.6A Pending CN110486750A (en) | 2019-08-01 | 2019-08-01 | Semiconductor laser ignition system based on double optical fiber dual wavelength self-tests |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960098A (en) * | 2021-02-23 | 2021-06-15 | 中国人民解放军63660部队 | Aerostat mooring rope cutting control system triggered by laser |
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| CN201298656Y (en) * | 2008-12-05 | 2009-08-26 | 中国科学院大连化学物理研究所 | Ignition control system |
| JP2014031741A (en) * | 2012-08-02 | 2014-02-20 | Nippon Soken Inc | Laser ignition device |
| CN104930924A (en) * | 2015-05-29 | 2015-09-23 | 中航光电科技股份有限公司 | Laser ignition exploder and laser ignition exploding system |
| CN108180503A (en) * | 2017-12-12 | 2018-06-19 | 中国工程物理研究院化工材料研究所 | Controllable time delay laser-ignition unit |
| EP2840315B1 (en) * | 2012-04-20 | 2019-10-09 | NGK Sparkplug Co., Ltd. | Glow plug with pressure sensor and method of manufacturing |
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2019
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Patent Citations (7)
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|---|---|---|---|---|
| US5729012A (en) * | 1995-04-25 | 1998-03-17 | Lockheed Martin Corporation | Photoluminescence built-in-test for optical systems |
| CN101216185A (en) * | 2008-01-16 | 2008-07-09 | 中节环(北京)科技有限公司 | Pulverized coal boiler ignition and stable burning device and its use method |
| CN201298656Y (en) * | 2008-12-05 | 2009-08-26 | 中国科学院大连化学物理研究所 | Ignition control system |
| EP2840315B1 (en) * | 2012-04-20 | 2019-10-09 | NGK Sparkplug Co., Ltd. | Glow plug with pressure sensor and method of manufacturing |
| JP2014031741A (en) * | 2012-08-02 | 2014-02-20 | Nippon Soken Inc | Laser ignition device |
| CN104930924A (en) * | 2015-05-29 | 2015-09-23 | 中航光电科技股份有限公司 | Laser ignition exploder and laser ignition exploding system |
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| CN112960098A (en) * | 2021-02-23 | 2021-06-15 | 中国人民解放军63660部队 | Aerostat mooring rope cutting control system triggered by laser |
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Application publication date: 20191122 |
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