CN110529761A - A kind of optical fibre control system - Google Patents
A kind of optical fibre control system Download PDFInfo
- Publication number
- CN110529761A CN110529761A CN201910930874.XA CN201910930874A CN110529761A CN 110529761 A CN110529761 A CN 110529761A CN 201910930874 A CN201910930874 A CN 201910930874A CN 110529761 A CN110529761 A CN 110529761A
- Authority
- CN
- China
- Prior art keywords
- laser
- optical fiber
- reflecting mirror
- light source
- lock pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/045—Optical design with spherical surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/05—Optical design plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
- F21V2200/17—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type characterised by the admission of light into the guide
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
A kind of optical fibre control system, belongs to lighting technical field.System includes laser coupled device, the reflecting mirror with aperture, optical fiber, light source module group, detector, control device；Described optical fiber one end connects light source module group, and the other end has the optical fiber splice insertion core for facing reflecting mirror；The laser of laser coupled device transmitting enters optical fiber splice insertion core through the aperture of reflecting mirror；Light is by spread fiber to light source module group, and laser excitation is at white light in light source module group, some white light diffusing reflection reverse coupled to reflecting mirror, and the biggish light of angle in white light is reflected to detector by reflecting mirror；The detector is used to detect the light energy or wavelength of reflection, and the feedback normal or abnormal signal of optical fiber gives the control device, to control laser coupled working state of device.The present invention is integrated using fine internal feedback mode, save the cost and manpower and material resources, and by feedback Coupling Design, and it is convenient to encapsulate.
Description
Technical field
The present invention relates to lighting technical field more particularly to a kind of optical fibre control systems.
Background technique
The laser illumination system that we study at present is using high power laser light, in conventional cheap communication glass
Inside of optical fibre transmission, is finally output to distal end lamps and lanterns, excitation light source mould group.Therefore the optical power density of light internal transmission is very
There is very big energy in height, once being abnormal failure, optical path is obstructed, and need to close light source power in time immediately, cut off uncontrollable
High-energy hidden danger.
The prior art uses two schemes, the first, the photoelectric converters such as silicon photocell are utilized at remote light source mould group end
Part acquisition luminous energy obtains electric energy conversion, then returns to host photoelectric box by wireless transmission method.It is all wirelessly 433M or 2.4G
ISM band, once radio-frequency spectrum by severe jamming or obstruction, whole system will lose protection in site environment, this phase
When communication system is paralysed by enemy when fighting.As it can be seen that wireless mode has disturbed risk, and there is also corresponding for transmission
Delay.Second, increases an answer the smooth optic fibre on the basis of existing transmission fiber, it is glimmering that distal end is detected using the answer the smooth optic fibre
The situation of light powder excitation.The shortcomings that this scheme: feedback needs to be separately provided an optical fiber, at high cost, can make small product size more
Greatly, encapsulation is more complicated, needs more manpower and material resources.
Patent of invention CN201210063216.3 discloses the optical fiber electric arc optical detection device with self-checking function, and has
It includes arc probe, optical fiber and photoelectric conversion unit that body, which discloses device, and the arc probe passes through optical fiber and photoelectric converter
Connection, wherein be provided with fluorescent material between the optical window end of the arc probe and optical fiber.The invention can overcome tradition
Point type optical fiber arc photosensor issuable dropout and maloperation in the case where sensor faults itself, but can not
It is automatically cut off the power after detecting failure.
Summary of the invention
In view of the problems of the existing technology the present invention, proposes a kind of optical fibre control system, using fine internal feedback mode,
Save the cost and manpower and material resources, and feedback Coupling Design is integrated, it is convenient to encapsulate.
The technical scheme is that:
The invention proposes a kind of optical fibre control systems, including laser coupled device, the reflecting mirror with aperture, optical fiber, light source
Mould group, detector, control device；Described optical fiber one end connects light source module group, and the other end has the optical fiber for facing the reflecting mirror
Connector lock pin；The laser of the laser coupled device transmitting enters optical fiber splice insertion core through the aperture of the reflecting mirror；The light
Line is by spread fiber to the light source module group, and at white light, some white light diffusing reflection is reversed for laser excitation in the light source module group
It is coupled to the reflecting mirror, the light of larger angle in white light is reflected to the detector by the reflecting mirror；The detector
For detecting the light energy or wavelength of reflection, the feedback normal or abnormal signal of optical fiber gives the control device, to control laser coupling
Close working state of device.
The present invention uses the mode of fine internal feedback, and the output optical fiber and feedback optical fiber share an optical fiber, compared with prior art
Fine external feedback scheme in need more feedback optical fiber for, more save the cost；Secondly, Coupled Feedback one of the present invention, envelope
It fills more convenient, uses manpower and material resources sparingly.
Preferably, the laser coupled device includes laser light source, coupled lens；The laser light source transmitting laser warp
Coupled lens coupling enters optical fiber splice insertion core by the aperture of reflecting mirror.
Preferably, the laser light source is solid state laser, gas laser, semiconductor laser, optical fiber laser
One of.
Preferably, the reflecting mirror is the side use for facing laser coupled device in triangular shape or plate armature
In introducing laser, the side for facing optical fiber is reflecting surface；The aperture is opened up from the introducing side to the reflecting surface, is allowed
Laser passes through.
Preferably, the reflecting surface of the reflecting mirror is clinoplain or curved inclined surface.
Preferably, when the reflecting surface of the reflecting mirror is clinoplain, clinoplain is to the laser coupled device side
30 degree or 45 degree or 60 degree settings of inclination.
Preferably, the reflecting surface of the reflecting mirror be curved inclined surface when, the curved inclined surface be spherical surface or it is aspherical or
Free form surface.
Preferably, the detector includes illuminance transducer or wavelength sensor.
Preferably, the optical fiber splice insertion core is the connector lock pin being made of FC connector and UPC lock pin, or for by FC
The connector lock pin that connector and APC lock pin are constituted, perhaps for the connector lock pin that is made of LC connector and UPC lock pin or for by LC
The connector lock pin that connector and APC lock pin are constituted.
Preferably, the optical fiber is plastic optical fiber, multimode fibre, one of glass optical fiber.
The invention has the following advantages:
A kind of optical fibre control system of the present invention:
(1) the characteristics of getting rid of electric constraint, having highlighted high safety.Mainly solve under hyperbaric environment that electric wire may leak electricity,
And do not allow to charge the indoor problem for entering inflammable and explosive substances storage.
(2) an optical fiber is shared using the mode of fine internal feedback, the output optical fiber and feedback optical fiber, is needed than fine external feedback more
A piece feedback optical fiber more save the cost.
(3) mode for using reflecting mirror makes it possible that light source transmission and feedback share an optical fiber, and structure designs more
Simplify.
(4) feedback coupling one, encapsulation is more convenient, saves manpower and material resources.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of optical fibre control system of the present invention；
Fig. 2 is the specific enlarged diagram in Fig. 1 between reflecting mirror, optical fiber splice insertion core and detection device.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Such as Fig. 1, a kind of optical fibre control system of the present invention, reflecting mirror 3, optical fiber including laser coupled device, with aperture,
Light source module group 5, detector 6, control device 11.Described optical fiber one end connects light source module group 5, and the other end, which has, faces the reflection
The optical fiber splice insertion core 4 of mirror 3.The laser of the laser coupled device transmitting enters fibre-optical splice through the aperture of the reflecting mirror 3
Lock pin 4.The light is by spread fiber to the light source module group 5, and laser excitation is at white light, part in the light source module group 5
White light diffusing reflection reverse coupled is to the reflecting mirror 3, and the reflecting mirror 3 is by some light in white light, such as the light of larger angle
It is reflected to the detector 6.The detector 6 is used to detect the light energy or wavelength of reflection, feeds back the normal or abnormal letter of optical fiber
Number give the control device 11, to control laser coupled working state of device.
The laser coupled device laser light source 12, coupled lens 2.The laser light source 12 emits the coupled lens of laser
2 couplings enter optical fiber splice insertion core 4 by the aperture 31 of reflecting mirror 3.The laser light source is solid state laser, gas laser
One of device, semiconductor laser, optical fiber laser.
The detector includes illuminance transducer or wavelength sensor.When the light energy for detecting reflection is normal, then light source
It works normally；When the light energy for detecting reflection is more than normal value, then it is assumed that reflected light energy is abnormal, then proves light
Fibre is abnormal failure, and feedback optical fiber abnormal signal controls laser light source 12 and power off to control device 11, control device.Work as detection
When optical wavelength peak value to reflection is normal value, then light source works normally.When the optical wavelength for detecting reflection is more than normal value,
Then think that reflected light is abnormal, feedback abnormal signal controls laser light source 12 and power off to control device 11, control device.
The optical fiber is plastic optical fiber or glass optical fiber or multimode fibre.
The light source module group is that laser excitation at white light and can be reflected light back into the mould group of reflecting mirror, such as fluorescence
Cap.
Such as Fig. 2, the reflecting mirror is that the side of laser coupled device is faced in triangular shape or plate armature for drawing
Enter laser, the side for facing optical fiber is reflecting surface 32.The aperture 31 is opened up from the introducing side to the reflecting surface 32, is permitted
Perhaps laser passes through.31 size of aperture is coupled light beam numerical aperture and is less than fiber numerical aperture.In this way, on the one hand can
So that the light of coupling all passes through aperture 31, on the other hand enables most of reflected fluorescent light to reflect and converge to detection dress
6 are set, so that detection device is able to detect analysis feedback light intensity, to judge whether optical fiber generates failure.Wherein, Fig. 2 institute
Stating lens arrangement is triangular structure of right angle.The introducing face of the reflecting mirror is vertical plane, and the reflecting surface of the reflecting mirror is
Clinoplain or curved inclined surface.When the reflecting surface of the reflecting mirror is clinoplain, it is preferable that clinoplain is to the laser
Coupling device rolls oblique 30 degree or 45 degree or 60 degree settings.When the reflecting surface of the reflecting mirror is curved inclined surface, the inclination
Curved surface is spherical surface or aspherical or free form surface.
When for free form surface, following equation need to be met:
Wherein, it is the distribution curve flux of light source, is the Energy distribution of target, indicates optical operator, respectively indicate refractive index and freedom
Curved surface.Indicate that the mapping between target energy distribution and light source light distribution curve is closed
System meetsNumerical aperture relationship and
The constraint of energy conservation relation.According to practical mapping relations, PDE, cutting-out method, streamline method, SQM, SMS in nonimaging optics are selected
The methods of one of seek equation group numerical solution.Free form surface is according to tensor product, polynomial interopolation, in the methods of spline surface
A kind of construction generation.
The optical fiber splice insertion core 4 has done optical fiber align design, so that the light of coupled into optical fibres connector lock pin exists
A focal line is pooled at core centre axis.The optical fiber splice insertion core is the connector lock pin being made of FC connector and UPC lock pin,
Perhaps the connector lock pin for the connector lock pin that is made of FC connector and APC lock pin or to be made of LC connector and UPC lock pin,
Perhaps for the connector lock pin that is made of LC connector and APC lock pin or be other connector lock pins.
The control module is photoelectric box, for the detection signal that processing detection equipment is sent, and according to treated
To laser light source, the power on/off to control laser light source works the order of signal sending logic.The detector and the control
It is electrically connected or is wirelessly connected between module.
For using the laser lighting of line reflection mirror feedback.Laser light source 12 emits laser, by coupled lens 2 by light
Source is coupled into fiber stub 4, and the reflecting mirror 3 that tape has aperture is placed between coupled lens 2 and optical fiber, and reflecting mirror 32 is opened
Hole can be such that light passes through completely.Optical fiber splice insertion core 4 receives light, passes through spread fiber to light source module group 5, laser irradiation light
Source mould group reflects a part of fluorescence, and reflected spurious rays are radiated on the reflecting surface 32 of reflecting mirror, because reflecting mirror leans on
Nearly 4 end of optical fiber splice insertion core, therefore aperture is minimum, stray light largely all can converge at detection by the reflecting surface 32 of reflecting mirror
Device 6.The light energy of the detection reflection of detection device 6 proves that optical fiber is abnormal event if reflected light energy is abnormal
Signal is transmitted to control device 11 by barrier, detection device 6, and control device 11 controls laser light source 12, realizes power-off.
It should be understood by those skilled in the art that foregoing description and the embodiment of the present invention shown in the drawings are only used as illustrating
And it is not intended to limit the present invention.The purpose of the present invention completely effectively realizes.Function and structural principle of the invention is in reality
It applies and shows and illustrate in example, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (10)
1. a kind of optical fibre control system, which is characterized in that including laser coupled device, the reflecting mirror with aperture, optical fiber, light source
Mould group, detector, control device；Described optical fiber one end connects light source module group, and the other end has the optical fiber for facing the reflecting mirror
Connector lock pin；The laser of the laser coupled device transmitting enters optical fiber splice insertion core through the aperture of the reflecting mirror；The light
Line is by spread fiber to the light source module group, and at white light, some white light diffusing reflection is reversed for laser excitation in the light source module group
It is coupled to the reflecting mirror, some light in white light is reflected to the detector by the reflecting mirror；The detector is for examining
The light energy or wavelength of reflection are surveyed, the feedback normal or abnormal signal of optical fiber gives the control device, to control laser coupled device
Working condition.
2. a kind of optical fibre control system according to claim 1, which is characterized in that the laser coupled device includes laser
Light source, coupled lens；The laser light source transmitting coupled Lens Coupling of laser enters fibre-optical splice by the aperture of reflecting mirror
Lock pin.
3. a kind of optical fibre control system according to claim 2, which is characterized in that the laser light source is Solid State Laser
One of device, gas laser, semiconductor laser, optical fiber laser.
4. a kind of optical fibre control system according to claim 1, which is characterized in that the reflecting mirror is in triangular shape or to put down
Plank frame faces the side of laser coupled device for introducing laser, and the side for facing optical fiber is reflecting surface；It is described to open
Hole is opened up from the introducing side to the reflecting surface, and laser is allowed to pass through.
5. a kind of optical fibre control system according to claim 4, which is characterized in that the reflecting surface of the reflecting mirror is inclination
Plane or curved inclined surface.
6. a kind of optical fibre control system according to claim 5, which is characterized in that the reflecting surface of the reflecting mirror is inclination
When plane, clinoplain tilts 30 degree or 45 degree or 60 degree settings to the laser coupled device side.
7. a kind of optical fibre control system according to claim 5, which is characterized in that the reflecting surface of the reflecting mirror is inclination
When curved surface, the curved inclined surface is spherical surface, aspherical or free form surface.
8. a kind of optical fibre control system according to claim 1, which is characterized in that the detector includes illuminance transducer
Or wavelength sensor.
9. a kind of optical fibre control system according to claim 1, which is characterized in that the optical fiber splice insertion core is to be connect by FC
The connector lock pin that head and UPC lock pin are constituted, perhaps for the connector lock pin that is made of FC connector and APC lock pin or to be connect by LC
The connector lock pin that head and UPC lock pin are constituted, or the connector lock pin to be made of LC connector and APC lock pin.
10. a kind of optical fibre control system according to claim 1, which is characterized in that the optical fiber is plastic optical fiber, multimode
Optical fiber, one of glass optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910930874.XA CN110529761A (en) | 2019-09-29 | 2019-09-29 | A kind of optical fibre control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910930874.XA CN110529761A (en) | 2019-09-29 | 2019-09-29 | A kind of optical fibre control system |
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| Publication Number | Publication Date |
|---|---|
| CN110529761A true CN110529761A (en) | 2019-12-03 |
Family
ID=68670710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910930874.XA Pending CN110529761A (en) | 2019-09-29 | 2019-09-29 | A kind of optical fibre control system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01206306A (en) * | 1988-02-13 | 1989-08-18 | Fujitsu Ltd | Light emission control method for optical transmitter |
| JPH02107939A (en) * | 1988-10-14 | 1990-04-19 | Matsushita Electric Ind Co Ltd | State monitor for optical fiber |
| US20070147033A1 (en) * | 2005-12-28 | 2007-06-28 | Kiyotomi Ogawa | Endoscope apparatus and illuminating apparatus for endoscope |
| CN103402420A (en) * | 2011-03-01 | 2013-11-20 | 奥林巴斯株式会社 | Light source module and light source system |
| US20150216412A1 (en) * | 2014-01-31 | 2015-08-06 | Thorlabs Gmbh | Method for filtering reflexes in full-field setups for ophthalmologic imaging by separated illumination and detection apertures |
| US20150268168A1 (en) * | 2012-09-13 | 2015-09-24 | The University Of Tokyo | Component analysis device |
| JP2016090561A (en) * | 2014-11-04 | 2016-05-23 | 公立大学法人大阪府立大学 | Probe for ultrasonic wave-assisted fluorescence imaging |
| CN210424573U (en) * | 2019-09-29 | 2020-04-28 | 浙江光塔节能科技有限公司 | Optical fiber control system |
-
2019
- 2019-09-29 CN CN201910930874.XA patent/CN110529761A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01206306A (en) * | 1988-02-13 | 1989-08-18 | Fujitsu Ltd | Light emission control method for optical transmitter |
| JPH02107939A (en) * | 1988-10-14 | 1990-04-19 | Matsushita Electric Ind Co Ltd | State monitor for optical fiber |
| US20070147033A1 (en) * | 2005-12-28 | 2007-06-28 | Kiyotomi Ogawa | Endoscope apparatus and illuminating apparatus for endoscope |
| CN103402420A (en) * | 2011-03-01 | 2013-11-20 | 奥林巴斯株式会社 | Light source module and light source system |
| US20150268168A1 (en) * | 2012-09-13 | 2015-09-24 | The University Of Tokyo | Component analysis device |
| US20150216412A1 (en) * | 2014-01-31 | 2015-08-06 | Thorlabs Gmbh | Method for filtering reflexes in full-field setups for ophthalmologic imaging by separated illumination and detection apertures |
| JP2016090561A (en) * | 2014-11-04 | 2016-05-23 | 公立大学法人大阪府立大学 | Probe for ultrasonic wave-assisted fluorescence imaging |
| CN210424573U (en) * | 2019-09-29 | 2020-04-28 | 浙江光塔节能科技有限公司 | Optical fiber control system |
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