CN208764680U - A kind of optical fiber source system - Google Patents
A kind of optical fiber source system Download PDFInfo
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- CN208764680U CN208764680U CN201821611711.2U CN201821611711U CN208764680U CN 208764680 U CN208764680 U CN 208764680U CN 201821611711 U CN201821611711 U CN 201821611711U CN 208764680 U CN208764680 U CN 208764680U
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Abstract
A kind of optical fiber source system, belongs to lighting technical field.System includes according to the sequentially connected light source of optical path, coupler, transmission fiber, accepts ware；The transmission fiber tail end connects the ware bottom for accepting ware, and the ware mouth for accepting ware is light end；The ware of accepting includes the divergence of beam layer set on ware bottom and the fluorescent powder interstitital texture on divergence of beam layer；The primitive color light that light source issues is coupled into transmission fiber through coupler, the primitive color light being emitted from transmission fiber enters fluorescent powder interstitital texture by accepting the divergence of beam layer at ware bottom, part primitive color light excitated fluorescent powder obtains exciting light, and exciting light and remainder primitive color light mixed-forming generate target light source.The utility model structure is simple, and it is convenient to assemble, and the grafting of light source is realized in the way of coupling leaded light, and by adjusting light type and colour temperature, realization once light-distribution in the fluorescent powder excitation mixing accepted in ware.
Description
Technical field
The utility model relates to lighting technical field more particularly to a kind of optical fiber source systems.
Background technique
Currently, Fibre Optical Communication Technology has been mature on the whole in communication technique field, and optical fiber light-guiding, which is applied to illumination, is
The new development direction of optical fiber light-guiding technology.Optical fiber light-guiding illumination is a kind of light-guide illumination mode of photodetachment, and optical fiber light-guiding shines
Bright output end does not have any electrical equipment, therefore in the place with fire, explosive gas, it is also the light of a safety
Source.
Existing fiber illumination is mostly used using LED as transmitting light source, later coupled lens, optical fiber, fluorescent powder dress
It sets and light coupling is entered into optical fiber and excites fluorescence, form white light after mixing.However there are following problems by LED: some inflammable easy
The Code in Hazardous Special Locations application of quick-fried humidity is simultaneously dangerous；Since LED is area source, LED light-emitting area and the angle of divergence are big, coupling efficiency
It is low；LED light source there are serious light decay, it is photochromic unstable the problems such as.
Utility model patent CN205137223U discloses a kind of laser without electric lighting system, and specifically discloses system packet
Include blue light LD, coupling mirror, focus lamp a, focus lamp b, transmission fiber, reflector, fluorescent powder plummer, plate glass；Blue light LD
The incidence end of transmission fiber is set, the laser that blue light LD is irradiated is coupled into transmission fiber by coupling mirror, focus lamp a,
And it is transmitted by transmission fiber to its output end；The output end of transmission fiber is arranged inside reflector, transmission fiber output end
Optical fiber coupling head before be placed with focus lamp b, output laser realizes that class exports in parallel after focus lamp b；Plate glass installation
At reflector rim of a cup, fluorescent powder plummer is mounted among plate glass, and fluorescent powder plummer is opposite with the position of focus lamp b
It answers；It is coated with mixed uniformly red green fluorescence powder coat on fluorescent powder plummer and focus lamp b opposite face, fluorescent powder plummer
Coat is fluorescent powder coat outer surface, fluorescent powder coat inner surface, the laser irradiation exported in parallel by focus lamp b class
On the coat and inspire fluorescence.Although the utility model uses blue light LD to substitute LED as transmitting light source, solves LED
The problem and LED that light-emitting area is big, transfer efficiency is low obtain the uncontrollable problem of white color temperature, light type by fluorescent powder；So
And fluorescence is inspired on the fluorescent powder coat that the class directional light that focus lamp b is generated is radiated on fluorescent powder plummer, excitation
Fluorescence and blue light, which are reflected into slowly on reflector, forms white light with the plate glass injection in class directional light process front, therefore utilizes anti-
Light cup, fluorescent powder plummer, structure is complicated for plate glass excitation generation white light source.
Utility model patent CN207569688U discloses a kind of high power laser headlamp, and specifically discloses headlamp
Including light source unit, wavelength conversion unit and transmitting unit, the reflector element is reflector, the light-emitting window of reflector and top
It is oppositely arranged, the wavelength conversion unit includes at least two phosphor powder layers, the focus pair of each phosphor powder layer and reflector element
It answers, light source unit includes multiple laser sources, and reflector is equipped with multiple light passing portions, and the light beam that each laser source unit issues penetrates
It is transmitted through behind one light passing portion on a phosphor powder layer.The utility model is injected light source by light passing portion using laser light source anti-
On the phosphor powder layer of light bowl, using reflective excitation, fluorescence excitation is only realized, and light distribution is not implemented.
Utility model content
In view of the problems of the existing technology, it is simple to propose a kind of structure for the utility model, excites in optical fiber tail-end glimmering
Light is simultaneously accepting the optical fiber source system that once light-distribution is realized in ware.
The utility model has the technical scheme that
The utility model proposes a kind of optical fiber source systems, including according to the sequentially connected light source of optical path, coupler, transmission
Optical fiber accepts ware；The transmission fiber connects the ware bottom for accepting ware, and the ware mouth for accepting ware is light end；It is described to hold
Connecing ware includes the divergence of beam layer set on ware bottom and the fluorescent powder interstitital texture on the divergence of beam layer；It is described
The primitive color light that light source issues is coupled into the transmission fiber through the coupler, and the primitive color light being emitted from transmission fiber is by holding
The divergence of beam layer for connecing ware bottom enters the fluorescent powder interstitital texture, and part primitive color light excitated fluorescent powder obtains exciting light,
Exciting light and remainder primitive color light mixed-forming generate target light source.
Preferably, the light source is the blue light that wavelength is 420nm to 480nm range or the near ultraviolet of 320nm to 400nm
Radiant
Preferably, the undertaking ware shape is bowl-shape or funnel-form；The expansion that ware is accepted to ware mouth Directional Extension
Open up the numerical aperture angle that angle is greater than or equal to the transmission fiber.
Preferably, divergence of beam layer bottom surface is connect with the transmission fiber tail end, side is to accepting ware edge court
Fluorescent powder interstitital texture Directional Extension, top surface connect with fluorescent powder interstitital texture bottom surface.
Preferably, fluorescent powder interstitital texture bottom surface is connect with the divergence of beam layer structure top surface, the fluorescence
Curved-surface shape is formulated in powder interstitital texture bottom surface according to needed for target light source, is plane, and spherical surface is aspherical, and one in free form surface
Kind；It is connect at fluorescent powder interstitital texture top surface and the undertaking ware ware mouth, curved surface is formulated in top surface according to needed for target light source
Form is plane, and spherical surface is aspherical, one of free form surface.
Preferably, fluorescent powder interstitital texture bottom surface is in the curved surface of protrusion at ware mouth, the fluorescent powder filling knot
Structure top surface is in the curved surface to ware mouth outer lug.
Preferably, the fluorescent powder for being filled in the fluorescent powder interstitital texture is RGB three primary colors fluorescent powder or yellow fluorescence
Powder.
Preferably, the light source is LED, solid state laser, gas laser, semiconductor laser, optical fiber laser
One of.
Preferably, the coupler is Lens Coupling or reflector coupling or the above two coupler being bonded.
Preferably, the transmission fiber is one of plastic optical fiber, multimode fibre, glass optical fiber.
The utility model has the following beneficial effects:
A kind of optical fiber source system of the utility model, structure is simple, and it is convenient to assemble, and realizes light source in the way of coupling leaded light
Grafting, and light type and colour temperature, realization once light-distribution are adjusted by fluorescent powder excitation mixing accepting in ware.In addition, using holding
It connects ware and realizes the excitation of transmission-type fluorescence, and be formed to fluorescent powder, be fixed, thermally conductive, to control excitation light type.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of optical fiber source system of the utility model；
Fig. 2 is the structural schematic diagram that a kind of optical fiber source system of the utility model uses the first fluorescent powder interstitital texture；
Fig. 3 is the structural schematic diagram that a kind of optical fiber source system of the utility model uses second of fluorescent powder interstitital texture；
Fig. 4 is the structural schematic diagram that a kind of optical fiber source system of the utility model uses the third fluorescent powder interstitital texture；
Fig. 5 is a kind of color of optical fiber source system of the utility model utility model under the effect of different fluorescent powder interstitital textures
Warm comparison chart；
Fig. 6 is a kind of light type of the optical fiber source system of utility model using fluorescent powder interstitital texture shown in Fig. 2, Fig. 3, Fig. 4
Comparison chart.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Such as Fig. 1, a kind of optical fiber source system of the utility model, including according to the sequentially connected light source 1 of optical path, coupler 2,
Transmission fiber 3 accepts ware 4.The ware bottom of ware 4 is accepted in the connection of transmission fiber 3, and the ware mouth for accepting ware 4 is light end.
4 shape of undertaking ware is bowl-shape or funnel-form.The undertaking ware 4 to ware mouth Directional Extension, extended corner be greater than or
Equal to the numerical aperture angle of the transmission fiber.The ware 4 of accepting includes set on the divergence of beam layer 41 at ware bottom and set on institute
State the fluorescent powder interstitital texture 42 on divergence of beam layer 41.The divergence of beam layer 41 is a kind of transparent configuration, can be silica gel
Structure, one of glass structure or air structure, light can freely be dissipated in this divergence of beam layer inner region, saturating convenient for light
It injects and accepts in ware.It is filled according to air, the upper surface of the divergence of beam layer needs to fill out by thin glass layer and fluorescent powder
Structure is filled to keep apart.
Divergence of beam layer bottom surface is connect with the transmission fiber tail end, and side is filled out to undertaking ware edge towards fluorescent powder
Structure direction extension is filled, top surface is connect with fluorescent powder interstitital texture bottom surface.The divergence of beam layer 41 increases contact area and provides
Heat dissipation, prevents albefaction, and increase the freedom degree of fluorescent powder interstitital texture lower surface.
The light that light source 1 issues is coupled into 3 end face of transmission fiber through coupler 2, the primitive color light come out from transmission fiber 3
It is transmitted the fluorescent powder in the divergence of beam layer 41 and excitated fluorescent powder interstitital texture 42 of undertaking ware 4 and obtains exciting light, excited
Light and remainder primitive color light mixed-forming generate target light source, and the target light source is projected from ware mouth.Fig. 5 is shown using this
Colour temperature comparison chart of the utility model optical fiber illuminating system under different fluorescent powder interstitital textures, curve 1 represent a kind of colour temperature with sky
Between the optical fiber source that changes of angle, curve 2 represents a kind of equally distributed optical fiber source of colour temperature.It is filled through as it can be seen that optical fiber goes out light end
The once light-distribution to optical fiber tail-end can be achieved after the fluorescent powder interstitital texture of fluorescent powder.
The light source 1 is one of LED, solid state laser, gas laser, semiconductor laser, optical fiber laser.
The light source 1 can be the blue light that wavelength is 420nm to 480nm range or the black light light source of 320nm to 400nm.Accordingly
Ground, when light source is blue light, the fluorescent powder being filled in fluorescent powder interstitital texture 42 is yellow fluorescent powder；When light source is ultraviolet light
When (including black light), the fluorescent powder being filled in fluorescent powder interstitital texture 42 is RGB three primary colors fluorescent powder.
The coupler 2 is that Lens Coupling or reflector coupling or said lens coupling and reflector couple two kinds of combinations
The coupler of composition.The optical coupling entering light that the coupler 2 issues light source is fine.
The transmission fiber 3 is plastic optical fiber or glass optical fiber or multimode fibre.Preferably, the transmission fiber is core diameter
62.5 microns of multimode fibre or 200 microns of core diameter of glass optical fiber.
42 bottom surface of fluorescent powder interstitital texture is connect with 41 top surface of divergence of beam layer, the fluorescent powder interstitital texture
Curved-surface shape is formulated in 42 bottom surfaces according to needed for target light source, is plane, spherical surface is aspherical, one of free form surface.It is described glimmering
It is connect at light powder interstitital texture top surface and the undertaking ware ware mouth, curved-surface shape is formulated in top surface according to needed for target light source, is flat
Face, spherical surface is aspherical, one of free form surface.The freedom degree of fluorescent powder interstitital texture top and bottom, can pass through tune
Ray traveling optical paths and phosphor particles concentration control colour temperature and light type in whole corresponding unit solid angle.Preferably, the fluorescent powder
42 bottom surface of interstitital texture is in the curved surface of protrusion at ware mouth, and 42 top surface of fluorescent powder interstitital texture is in the song to ware mouth outer lug
Face.Under this mode, the light excitation free path of all directions is equal, and target light source color temperature distribution is uniform, and light type is easy.
Example 1, when light source is LD blue light source, fluorescent powder is yellow fluorescent powder.The blue light that light source issues is through 2 coupling of coupler
Transmission fiber 3 is closed, the yellow fluorescent powder that the blue primaries light excitation that optical fiber comes out is accepted in ware 4 obtains yellow exciting light, so
Yellow exciting light and unabsorbed primitive color light are mixed to get white light afterwards.
Example 2, when light source is near ultraviolet laser light source, fluorescent powder is RGB three primary colors fluorescent powder.The near ultraviolet that light source issues
Primitive color light is coupled to optical fiber through coupler, accepts the RGB three primary colours in ware from the near ultraviolet primitive color light excitation that transmission fiber 3 comes out
Fluorescent powder obtains three primary colours exciting light, is then mixed into white light in proportion, becomes white light source.
Fig. 2-4 respectively illustrates the example of different fluorescent powder interstitital textures.Changing fluorescent powder interstitital texture 42 can control light
Fine lighting system goes out light light type.The bottom surface of fluorescent powder interstitital texture described in Fig. 2 is in the curved surface of protrusion at ware mouth, the fluorescence
42 top surface of powder interstitital texture is in the curved surface to transmission fiber protrusion (referring to appended drawing reference 421).The filling knot of fluorescent powder described in Fig. 3
Structure bottom surface is in the curved surface of protrusion at ware mouth, and 42 top surface of fluorescent powder interstitital texture is concordant in ware mouth, in planar.(referring to
Appended drawing reference 422).The bottom surface of fluorescent powder interstitital texture described in Fig. 4 is in the curved surface of protrusion at ware mouth, the fluorescent powder filling knot
42 top surface of structure is in the curved surface to ware mouth outer lug (referring to appended drawing reference 423).Referring to Fig. 6, three kinds of different structures are shown in figure
Colour temperature comparison diagram, when visible fluorescence powder interstitital texture is 423 structure in figure, color temperature change is more steady compared with other two kinds of structures
It is fixed.Fluorescent powder interstitital texture can be arbitrary structures, as long as 42 top and bottom of fluorescent powder interstitital texture have centainly freely
Degree, is not limited to above-mentioned three kinds.Fluorescent powder interstitital texture may make that divergence of beam angle is different, and different filling modes correspond to not
Same distribution curve flux, light type as needed can design suitable fluorescent powder interstitital texture.
Based on the achievable light source molding of above-mentioned optical fiber source system, changed out by changing fluorescent powder interstitital texture 42
Light light type.In addition, changing phosphor concentration, ratio when 42 1 timing of fluorescent powder interstitital texture to adjust colour temperature.Based on above-mentioned light
Fibre source system, change primitive color light in fluorescent powder interstitital texture with the mean collisional frequency of phosphor particles, to adjust optical fiber
The colour temperature and light type of light source, and then once light-distribution is completed using above-mentioned optical fiber illuminating system, it is generated in fluorescent powder top surface and meets mesh
Target optical fiber source.
The change primitive color light can be by following with the mean collisional frequency of phosphor particles in fluorescent powder interstitital texture
Mode realizes that one is by way of the shape for changing fluorescent powder interstitital texture, can design fluorescent powder filling knot as needed
Structure makes its top and bottom have the curved-surface shape of different freedom degrees；One is by way of changing phosphor concentration；Separately
Outside, above two mode can also be combined realization.Wherein, when adjusting concentration, when fluorescent powder is RGB three primary colors fluorescent powder
When, above-mentioned change can be also realized by way of changing three primary colours penalty coefficient, and combine with adjusting concentration style.
When the light source is ultraviolet source, fluorescent powder interstitital texture bottom surface is described in the curved surface to protrusion at ware mouth
42 top surface of fluorescent powder interstitital texture is in the curved surface to ware mouth outer lug, when the fluorescent powder is RGB three primary colors fluorescent powder, if fluorescence
Powder filling is uniform and colour temperature is inconsistent, adjusts the penalty coefficient of three primary colors fluorescent powder to control colour temperature.
When the light source is blue-light source, shape of the fluorescent powder interstitital texture at ware mouth is in ware bottom direction protrusion
Arcuation or planar, the fluorescent powder be YAG fluorescent powder, if fluorescent powder filling uniformly and colour temperature is inconsistent, adjustment yellow it is glimmering
Concentration of the light powder in fluorescent powder interstitital texture controls colour temperature.Such as make phosphor particles in the centre of the fluorescent powder interstitital texture
Concentration is higher, is consistent the colour temperature of emergent ray to increase the mean collisional frequency of photon and particle.
When the light source is ultraviolet source, shape of the fluorescent powder interstitital texture at ware mouth is in ware bottom direction protrusion
Arcuation or planar, the fluorescent powder be RGB three primary colors fluorescent powder when, adjustment RGB three primary colors fluorescent powder fluorescent powder fill
Concentration and three primary colours concentration ratio in structure, and the penalty coefficient of primary colours fluorescent powder is adjusted to control colour temperature.Such as in the fluorescence
The centre of powder interstitital texture keeps phosphor particles concentration higher, makes emergent light to increase the mean collisional frequency of photon and particle
The colour temperature of line is consistent as far as possible.It also needs to control the concentration and ratio of three primary colors fluorescent powder simultaneously, and utilizes penalty coefficient
Carry out temperature-compensating.Finally, so that emergent ray colour temperature is consistent.
It should be understood by those skilled in the art that foregoing description and the embodiments of the present invention shown in the drawings are only used as
It illustrates and is not intended to limit the utility model.The purpose of this utility model completely effectively realizes.The function of the utility model
And structural principle shows and illustrates in embodiment, under without departing from the principle, the embodiments of the present invention can
To have any deformation or modification.
Claims (10)
1. a kind of optical fiber source system, which is characterized in that including according to the sequentially connected light source of optical path, coupler, transmission fiber,
Accept ware；The transmission fiber connects the ware bottom for accepting ware, and the ware mouth for accepting ware is light end；The undertaking ware packet
Include the divergence of beam layer set on ware bottom and the fluorescent powder interstitital texture on divergence of beam layer；What the light source issued
Primitive color light is coupled into the transmission fiber through the coupler, and the primitive color light being emitted from transmission fiber passes through the institute for accepting ware bottom
Divergence of beam layer is stated into the fluorescent powder interstitital texture, part primitive color light excitated fluorescent powder obtains exciting light, exciting light and surplus
Remaining part divides primitive color light mixed-forming to generate target light source.
2. a kind of optical fiber source system according to claim 1, which is characterized in that the light source is that wavelength is that 420nm is arrived
The blue light of 480nm range or the black light light source of 320nm to 400nm.
3. a kind of optical fiber source system according to claim 1, which is characterized in that the undertaking ware shape be it is bowl-shape or
Funnel-form；The numerical aperture angle accepted ware and be greater than or equal to the transmission fiber to the extended corner of ware mouth Directional Extension.
4. a kind of optical fiber source system according to claim 1, which is characterized in that divergence of beam layer bottom surface with it is described
The connection of transmission fiber tail end, to ware edge is accepted towards fluorescent powder interstitital texture Directional Extension, top surface is filled with fluorescent powder for side
Structure floor connection.
5. a kind of optical fiber source system according to claim 1, which is characterized in that fluorescent powder interstitital texture bottom surface with
The connection of divergence of beam layer top surface, fluorescent powder interstitital texture bottom surface formulates curved-surface shape according to needed for target light source, is
Plane, spherical surface is aspherical, one of free form surface；Connect at fluorescent powder interstitital texture top surface and the undertaking ware ware mouth
It connects, curved-surface shape is formulated in top surface according to needed for target light source, is plane, spherical surface is aspherical, one of free form surface.
6. a kind of optical fiber source system according to claim 5, which is characterized in that fluorescent powder interstitital texture bottom surface is in
The curved surface of protrusion to ware mouth, fluorescent powder interstitital texture top surface are in the curved surface to ware mouth outer lug.
7. a kind of optical fiber source system according to claim 1, which is characterized in that be filled in the fluorescent powder interstitital texture
Fluorescent powder be RGB three primary colors fluorescent powder or yellow fluorescent powder.
8. a kind of optical fiber source system according to claim 1, which is characterized in that the light source is LED, Solid State Laser
One of device, gas laser, semiconductor laser, optical fiber laser.
9. a kind of optical fiber source system according to claim 1, which is characterized in that the coupler is for Lens Coupling or instead
Emitter coupling or the above two coupler being bonded.
10. a kind of optical fiber source system according to claim 1, which is characterized in that the transmission fiber be plastic optical fiber,
One of multimode fibre, glass optical fiber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821462552 | 2018-09-07 | ||
| CN2018214625524 | 2018-09-07 |
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| Publication Number | Publication Date |
|---|---|
| CN208764680U true CN208764680U (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821611711.2U Active CN208764680U (en) | 2018-09-07 | 2018-09-30 | A kind of optical fiber source system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140260A (en) * | 2018-09-07 | 2019-01-04 | 浙江光塔节能科技有限公司 | A kind of optical fiber source system and light source forming method |
| CN110645548A (en) * | 2019-09-30 | 2020-01-03 | 浙江光塔节能科技有限公司 | Optical fiber light guide device and system |
-
2018
- 2018-09-30 CN CN201821611711.2U patent/CN208764680U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140260A (en) * | 2018-09-07 | 2019-01-04 | 浙江光塔节能科技有限公司 | A kind of optical fiber source system and light source forming method |
| CN109140260B (en) * | 2018-09-07 | 2024-01-16 | 浙江光塔安全科技有限公司 | Optical fiber light source system and light source forming method |
| CN110645548A (en) * | 2019-09-30 | 2020-01-03 | 浙江光塔节能科技有限公司 | Optical fiber light guide device and system |
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Address after: Room e-405-406, No. 198, Qidi Road, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Guangta Safety Technology Co., Ltd Address before: Room E-405-406, 198 Kaidi Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG GUANGTA ENERGY-SAVING TECHNOLOGY Co.,Ltd. |