CN109268735A - A kind of fishery auxiliary lighting apparatus - Google Patents
A kind of fishery auxiliary lighting apparatus Download PDFInfo
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- CN109268735A CN109268735A CN201811052806.XA CN201811052806A CN109268735A CN 109268735 A CN109268735 A CN 109268735A CN 201811052806 A CN201811052806 A CN 201811052806A CN 109268735 A CN109268735 A CN 109268735A
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- incidence
- lighting apparatus
- auxiliary lighting
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
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- 238000002834 transmittance Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 description 16
- 229910052736 halogen Inorganic materials 0.000 description 11
- 150000002367 halogens Chemical class 0.000 description 11
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- 241000251468 Actinopterygii Species 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000644 propagated effect Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 241000238366 Cephalopoda Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
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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
- F21S8/00—Lighting devices intended for fixed installation
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
-
- 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
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
- F21V9/35—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material at focal points, e.g. of refractors, lenses, reflectors or arrays of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Mechanical Means For Catching Fish (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention discloses a kind of fishery auxiliary lighting apparatus, including pedestal, lens body and LED light source, the pedestal and described lens body one end are fixedly linked, the optical axis coincidence of the base central axially bored line and the lens body, the lens body is equipped with first plane of incidence of space evagination towards one end of the pedestal and is set to second plane of incidence of first plane of incidence radially outer and indent, the lens body circumferential direction outer peripheral surface is total internal reflection surface, and the lens body other end is equipped with exit facet.Compared with the prior art, technical solution of the present invention has many advantages, such as efficiently and flexible, and all light that LED can be made to generate effectively are projeced into sea, reduce luminous energy loss and improve the efficiency of light energy utilization of fishery auxiliary lighting apparatus.
Description
Technical field
The present invention relates to fishery floor light technical field, in particular to a kind of fishery auxiliary lighting apparatus.
Background technique
As China's economy continues to develop, shipbuilding industry just puts forth effort a series of protrusions for solving to encounter in current Fisheries Development
Problem, wherein the most key for problems of energy consumption.
Fishing lamp main function is to induce the shallow-layer shoal of fish at night, and when night work, fishing lamp shines sea
Penetrating makes sea and shallow-layer form certain spot area in the sea, using the target shoal of fish to the photopositive of light, makes by fish gathering
The shoal of fish that lamp attracts, which concentrates on being preset in the illumination region of net capsule, surrounds and seize effect to be finally reached.
Traditional fishery operation is usually using Metal halogen lamp as fish gathering lamp source, however Metal halogen lamp energy consumption accounts for fishing boat always fires
The 40~60% of oil consumption, to solve this biggish problems of energy consumption, industry recommends LED light to replace traditional Metal halogen lamp conduct
The light source of new generation of fishing lamp.
In the prior art, experts and scholars both domestic and external further investigate and test to LED fishing lamp, wherein Japan in
Once it did experiment within 2005, and replaced Metal halogen lamp using LED fishing lamp, and the research ship angling rate of LED fishing lamp is utilized to be equal to very
It is extremely more than the angling rate of traditional squid angling boat, and more outstanding is that research ship fuel consumption is only traditional squid angling boat
25%.Wang Wei outstanding person of national deep-sea fishing Engineering Technical Research Centre et al. carries out a series of experiments, research to LED fishing lamp
The result shows that the optical field distribution gap of LED fishing lamp and Metal halogen lamp in squid jigging boat job area less and the two fishing effect
Fruit no significant difference, however the general power of LED light is only the 15% of Metal halogen lamp general power, at the same time, Metal halogen lamp in seawater
Light attenuation rate is significantly greater than LED fishing lamp, and Kong Xianghong et al. installs unreasonable status for plate type LED fishing lamp,
The incidence angle of maximum projection light intensity is obtained by mathematical analysis and emulation, is had to the selection of plate type LED fishing lamp setting angle
There is certain guidance meaning.
In conclusion the LED fishing lamp of the prior art can get and the comparable fishing efficiency situation of conventional light source fishing lamp
Under, with controllable etc. the clear superiority of low energy consumption, spectrum, and LED light source substitution Metal halogen lamp is as fishing lamp of new generation
Light source be inexorable trend.
However, most of LED fishing lamp research of the prior art focuses primarily upon and solves the problems, such as great power LED cooling, compared with
The optical design issues of LED itself are paid close attention to less, and the optical characteristics of LED is different from Metal halogen lamp, because the light distribution of Metal halogen lamp is bent
Line is 360 ° and shines, and the light-emitting 3 D angle of LED light is only 120 °, therefore designs suitable lens for LED light source, makes LED
All light generated can be projeced on sea as best one can, reduced luminous energy loss and improved LED fishing lamp light-use
Rate is of great significance.
Summary of the invention
The main object of the present invention is to propose that one kind efficiently utilizes luminous energy and flexible fishery auxiliary lighting apparatus, it is intended to be made
All light that LED is generated effectively are projeced into sea, reduce luminous energy loss and improve the LED fishing lamp efficiency of light energy utilization.
To achieve the above object, a kind of fishery auxiliary lighting apparatus proposed by the present invention, including pedestal, lens body and
LED light source, the pedestal and described lens body one end are fixedly linked, the base central axially bored line and the lens body
Optical axis coincidence, the lens body are equipped with first plane of incidence of space evagination towards one end of the pedestal and are set to described
Second plane of incidence of the first plane of incidence radially outer and indent, the lens body circumferential direction outer peripheral surface is total internal reflection surface, described
The lens body other end is equipped with exit facet.
Preferably, the light source luminescent face face of first plane of incidence and the LED light source, first plane of incidence projection
Center is overlapped with light source luminescent face center.
Preferably, the three-D profile of first plane of incidence is the free form surface of space evagination, second plane of incidence
Three-D profile is the free form surface of space indent, and the total internal reflection surface is free form surface；First plane of incidence, described second
The plane of incidence and the three-D profile of the total internal reflection surface are drawn by 2 and the above contour line and 4 sections and the above free curve section
Conducting wire is constituted.
Preferably, the exit facet is plane or the curved surface with certain circular cone coefficient.
Preferably, the lens body is non axial symmetrical structure.
Preferably, the material of the lens body is the material that PMMA, glass or light transmittance are more than or equal to 90%.
Preferably, which is characterized in that the lens body optical axis is overlapped with the light source luminescent face center of the LED light source,
The plane of incidence aperture of the lens body is 47~65mm, and the diameter of exit facet is 170~185mm, the lens body it is whole
Body length is 130mm, and the base thickness is 10mm.
Preferably, inclination angle is 10 °~35 ° between the lens body irradiation central axis and sea.
Technical solution of the present invention has the advantage that compared with the prior art
First plane of incidence of evagination is arranged by one end medium position in lens body for technical solution of the present invention, by the
One plane of incidence is diffused the light beam at small light-emitting 3 D angle along longitudinal direction and transversely assembles, and enters by the second of indent
The light beam in face of big light-emitting 3 D angle is penetrated to carry out refracting to total internal reflection surface progress total internal reflection, it can be most by total internal reflection surface
Avoid light losing caused by due to refraction can be improved the efficiency of light energy utilization of lens, limits so as to shine to big
The path of the light beam of solid angle carries out the deflection of wide-angle and deflects as much as possible toward virtual receiving plane direction.By this hair
The LED light source and lens of bright technical solution enable to light to realize Uniform Illumination in sea.At the same time, the technology of the present invention
The lens of scheme fishery auxiliary lighting apparatus utilize total internal reflection free form surface, reduce the loss of big light-emitting 3 D angle light, from
And improve the efficiency of light energy utilization of lens.The lens of technical solution of the present invention fishery auxiliary lighting apparatus can be suitable for different spectrum
LED light source, thus flexibility with higher.
In addition, the lens and pedestal of technical solution of the present invention can be integrally formed, processing technology is simple and easy for installation, this
Inventive technique scheme selects LED light source Metal halogen lamp compared with the prior art, has that environmental protection, stability are strong and brightness is high and the service life
The advantages that long, can greatly meet the demands such as fishery floor light.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is fishery of embodiment of the present invention auxiliary lighting apparatus axial section structural schematic diagram；
Fig. 2 is the structural schematic diagram of LED light source of the embodiment of the present invention；
Fig. 3 is the assembling structure schematic diagram of fishery of embodiment of the present invention auxiliary lighting apparatus and LED light source；
Fig. 4 is fishery of embodiment of the present invention auxiliary lighting apparatus simulation model structural schematic diagram；
Fig. 5 is luminous intensity of embodiment of the present invention simulation result slice map；
Fig. 6 is the emulation illumination figure on sea of the embodiment of the present invention；
Fig. 7 is the emulation illumination figure at the position 20m of sea of the embodiment of the present invention or less；
Fig. 8 is the emulation illumination figure at the position 30m of sea of the embodiment of the present invention or less；
Fig. 9 is the light source luminescent path schematic diagram of lens of embodiment of the present invention shaft body section；
Figure 10 is lens body of embodiment of the present invention left view.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Pedestal | 9 | LED light source |
| 2 | Lens body | 10 | Fishing lamp |
| 3 | First plane of incidence | 11 | Fishing boat |
| 4 | Second plane of incidence | 12 | Seawater |
| 5 | Total internal reflection surface | 13 | First virtual detection face |
| 6 | Exit facet | 14 | Second virtual detection face |
| 7 | Card slot is installed | 15 | Third virtual detection face |
| 8 | Light source luminescent face | 16 | Convergent point |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of fishery auxiliary lighting apparatus.
Referring to Figure 1 to Fig. 3, the fishery auxiliary lighting apparatus of the embodiment of the present invention include pedestal 1, lens body 2 with
And LED light source 9, pedestal 1 and 2 one end of lens body are fixedly linked, and LED light source 9 is set in pedestal 1,1 centre hole axis of pedestal
The optical axis coincidence of line and lens body 2, lens body 2 towards one end of pedestal 1 be equipped with space evagination first plane of incidence 3 and
It is set to second plane of incidence 4 of first plane of incidence, 3 radially outer and indent, the circumferential outer peripheral surface of lens body 2 is total internal reflection surface
5,2 other end of lens body is equipped with exit facet 6.Wherein, the light source luminescent face of first plane of incidence 3 and LED light source 9 of the present embodiment
8 faces, first plane of incidence, 3 projection centre are overlapped with 8 center of light source luminescent face.Preferably, the three-D profile of first plane of incidence 3 is
The free form surface of space evagination, the three-D profile of second plane of incidence 4 are the free form surface of space indent, total internal reflection surface 5 be to
Evagination goes out free form surface；The wherein three-D profile of first plane of incidence 3 of the present embodiment, second plane of incidence 4 and total internal reflection surface 5
It is made of 2 contour lines and 4 sections of free curve section guide lines.
In addition, the exit facet 6 of the present embodiment is plane, in other embodiments of the present invention, exit facet 6 can be for certain
The curved surface of circular cone coefficient.Shown in Fig. 3 from side view angle, LED light source 9 issue light using optical axis be boundary can divide up propagate with
Two parts propagated down, wherein since it is desired that the deflection for carrying out very wide-angle to the light up propagated can be just allowed to down
Sea is irradiated and is pointed into, and the light propagated down is since direction when itself is emitted from LED light source has been to irradiate down, it is right
It is smaller in the difficulty for the deflection angle design for realizing irradiation sea, therefore, both comprehensive design difficulty, the present embodiment it is saturating
Mirror ontology 2 is selected as non axial symmetrical structure, to meet the propagation requirement of above-mentioned light, and the lens body 2 of the present embodiment
Material is the material that PMMA, glass or light transmittance are more than or equal to 90%.
Referring to Figure 1 to 3, in the fishery auxiliary lighting apparatus of the embodiment of the present invention, wherein 2 optical axis of lens body and LED
8 center of light source luminescent face of light source 9 is overlapped, and the plane of incidence aperture a of lens body 2 is 47~65mm, and the diameter b of exit facet 6 is
170~185mm, the entire length c of lens body 2 are 130mm, and base thickness d is 10mm, can pass through installation card in installation process
Slot 7 realize positioning, in use, between the irradiation central axis of fishery auxiliary lighting apparatus and sea inclination angle be 10 °~
35°。
In view of in practical fishery operation process, fishery auxiliary lighting apparatus needs that illumination region range is big, illumination requirement
The features such as high, selects powerful expansion light source as the light source of fishery auxiliary lighting apparatus, such as COB LED light source.Therefore originally
It is 12 centimetres of COB white light LEDs that embodiment, which selects LED light-emitting surface diameter, and light emitting angle is 120 ° of classical solid angles, chip
Power is 120 to 150W, colour temperature 3200K, luminous flux 140lm/W.
Referring to Figure 1 to Fig. 9, the working principle of fishery auxiliary lighting apparatus of the present invention is as follows:
The vertical line direction in the light source luminescent face 8 of LED light source 9 is optical axis direction, and the light that LED light source 9 issues presses light emitting anger
Degree range is divided into two parts, and a part of light is the light beam α at small light-emitting 3 D angle, and another part light is big light-emitting 3 D angle
Light beam γ.The corresponding paths path of two kinds of light beams as shown in figure 9, two light of position represent light beam γ above, under
Two light of side represent light beam α.The light-emitting 3 D angular region of light beam α is 0 ° to 40 °, is projected from 9 central point of LED light source, warp
It is reflected when crossing first plane of incidence 3.It spreads and transversely assembles along longitudinal direction to reach the light beam of solid angle α, thus on sea
Upper formation high aspect ratio illumination zone purpose sets convex outward for first plane of incidence 3, as shown in Figure 9.The curved surface pair of evagination
Light beam α is reflected, and so that the propagation path of light beam α is generated deflection, the light beam α of diverging is through reflecting post-concentration originally, and is propagating
The convergent point 16 of a light beam α is formed in front of path.Light beam α finally passes through exit facet 6 and reflects and finally project.Light after outgoing
Beam α is convergent beam, is changed into divergent beams after concentrated point 16, forms large-scale illumination in longitudinal direction to realize,
The optical energy loss of light beam α is reduced simultaneously.On the other hand, the light-emitting 3 D angular region of light beam γ is 40 ° to 89 °, from LED light source 9
It projects, is reflected when first passing around second plane of incidence 4, but the deflection angle very little of its refraction, light beam γ departure degree optical axis side
To still too big, then through being reflected when total internal reflection surface 5, since total internal reflection surface 5 is in advance for the wide-angle of light beam γ
Range light carries out total internal reflection curved design, therefore major part light beam γ is through meeting total internal reflection condition when total internal reflection surface 5,
It is accordingly totally internally reflected the reflection of face 5 rather than reflects.Meanwhile total internal reflection surface 5 is also devised to non axisymmetric curved surface, such as Figure 10 institute
Show, assemble light beam γ toward vertical and horizontal when being reflected, final beam γ is emitted by exit facet 6.It can be from Fig. 9
It arrives, light beam γ is after the plane of incidence 4, total internal reflection surface 5 and exit facet 6, the direction of propagation (arrow extends toward lower right in figure)
Wide-angle deflection, the departure degree of light beam γ and optical axis are generated compared with the original direction of propagation (dotted line extends toward upper right side in figure)
Become smaller, be finally reached the recycling of big light-emitting 3 D angle light beam γ, reduces the loss of light beam γ luminous energy, improve the light-use of lens
Rate, while purpose is illuminated toward sea.
For the above two light beam issued from LED light source 9 after lens body 2, light beam is longitudinally having larger hair on the whole
Light solid angle is laterally only having very little light-emitting 3 D angle, is being formed with the hot spot of certain aspect ratio.When it illuminates sea, formed
One strip or the oval uniform light spots closed.Additionally due to its horizontal light-concentrating effect is preferable, when beam propagation is to there is certain depth
Nautical mile when, still can keep the light spot shape of class strip.
Fig. 4 to Fig. 8 is referred to, the present embodiment exists using analog simulation is carried out in optical software to simulate fishing boat 11
During practical operations offshore, the illuminating effect of technical solution of the present invention fishery auxiliary lighting apparatus is used.As shown in figure 4, by
The fishing lamp 10 that lens and LED light source are composed is set on fishing boat 11, and fishing boat 11 floats on sea, and sea
The as first virtual detection face 13 of the present embodiment, the second virtual detection face 14 being further provided at the 20m of sea or less and
Third virtual detection face 15 below sea at 30m.
As shown in Figure 1 to Figure 3, LED light source 9 used by the present embodiment technical solution is COB light source, the hair of LED light source 9
Smooth surface is that round and diameter is 24mm, and LED light source pedestal is square and side length is 28mm, and the power of LED light source 9 is 120W,
Luminous flux is 140lm/W, total light flux 16800lm, colour temperature 3200k, and the spectrum of LED light source 9 is without ultraviolet light and red
Outer smooth ingredient.In addition, 9 colour temperature of LED light source of technical solution of the present invention is not limited to 3200K, it can be according to the phototaxis of the target shoal of fish
Feature chooses suitable colour temperature, such as when the target shoal of fish is squid, saury, LED light source 9 selects the color of aobvious blue and red respectively
Temperature.
Fig. 4 is referred to, it is in certain angle of inclination beta that the setting height of fishing lamp 10 of the present embodiment, which is higher than sea 6m and with sea,
It is further to note that the height of its setting can be adjusted because of the condition of actual job ship.Wherein the angle of inclination beta of the present embodiment is
30 °, the material of seawater 12 is set as water, and optical properties are the smooth optical with Fresnel loss, and the first of sea is virtual to be visited
Survey face 13 is having a size of wide 8m, long 30m, and the third of 30m below the second virtual detection face 14 and sea of 20m below sea is virtual
The width of test surface 15 is 8m and length is 60m.
As shown in Figures 4 to 6, the present embodiment passes through the hot spot for forming a strip across the sea to realize across the sea
Uniform Illumination within the scope of 30m, the received luminous flux of virtual receiving plane 13 of the first of sea are 11672lm, and the efficiency of light energy utilization is
69.5%, the illumination of the virtual receiving plane of the first of sea is 0.11x or more, sea within the scope of entire hot spot covering 30m × 8m,
Wherein maximal illumination value is 240.73lx, and half brightness value range is 12.8 × 2.8m, and hot spot aspect ratio is 4.57, is emitted from lens
Light beam, as shown in figure 5, as can be known from Fig. 5, the directionality of light beam is preferable, all light are shot in sea luminous intensity figure,
The peak value of light beam luminous intensity is respectively (0 °, 20 °) in the direction (L, V), and half light intensity angular range is at laterally 13 °.
Fig. 4 and Fig. 7 are referred to, when beam propagation second virtual detection face 14 below to sea 20m, second is virtually connect
Although the illumination in receipts face 14 has certain decaying as shown in fig. 7, light is propagated in the seawater, the second virtual receiving plane 14
The efficiency of light energy utilization is still 62.3%, and spot center is moved at fishing boat 36.7m, and the brightness value range higher than 15lx is in longitudinal direction
17.5m to 45m is covered, laterally covering is greater than 8m.
Fig. 4 and Fig. 8 are referred to, when light beam is further propagated toward seabed, reaches the third virtual detection face at the 30m depth of water
15, there are two illumination as shown in figure 8, light beam is transversely further spread at this time in 15 illumination of third virtual detection face at this
Peak value, the efficiency of light energy utilization 42.3%, maximal illumination value are 42.5lx, and spot center moves at fishing boat 47m, and the depth of water
51lx is still greater than in 30m and the brightness value at fishing boat 60m.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (8)
1. a kind of fishery auxiliary lighting apparatus, which is characterized in that including pedestal, lens body and LED light source, the pedestal and
Described lens body one end is fixedly linked, the optical axis coincidence of the base central axially bored line and the lens body, the lens
Ontology is equipped with first plane of incidence of space evagination towards one end of the pedestal and to be set to first plane of incidence diameter outside
Second plane of incidence of portion and indent, the lens body circumferential direction outer peripheral surface are total internal reflection surface, and the lens body other end is set
There is exit facet.
2. fishery auxiliary lighting apparatus as described in claim 1, which is characterized in that first plane of incidence and the LED light
The light source luminescent face face in source, first plane of incidence projection centre are overlapped with light source luminescent face center.
3. fishery auxiliary lighting apparatus as claimed in claim 2, which is characterized in that the three-D profile of first plane of incidence is
The free form surface of space evagination, the three-D profile of second plane of incidence are the free form surface of space indent, the total internal reflection
Face is free form surface；The three-D profile of first plane of incidence, second plane of incidence and the total internal reflection surface is by 2
And the above contour line and 4 sections and the above free curve section guide line are constituted.
4. fishery auxiliary lighting apparatus as claimed in claim 3, which is characterized in that the exit facet is plane or has certain
The curved surface of circular cone coefficient.
5. fishery auxiliary lighting apparatus as claimed in claim 4, which is characterized in that the lens body is non axial symmetrical junction
Structure.
6. fishery auxiliary lighting apparatus as claimed in claim 5, which is characterized in that the material of the lens body be PMMA,
Glass or light transmittance are more than or equal to 90% material.
7. fishery auxiliary lighting apparatus as described in claim 1, which is characterized in that it is characterized in that, the lens body light
Axis is overlapped with the light source luminescent face center of the LED light source, and the plane of incidence aperture of the lens body is 47~65mm, exit facet
Diameter be 170~185mm, the entire length of the lens body is 130mm, and the base thickness is 10mm.
8. fishery auxiliary lighting apparatus as claimed in claim 7, which is characterized in that lens body irradiation central axis with
Inclination angle is 10 °~35 ° between sea.
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| CN110161750A (en) * | 2019-05-22 | 2019-08-23 | 京东方科技集团股份有限公司 | Lens arrangement, light-source structure, backlight module and display device |
| WO2024140819A1 (en) * | 2022-12-30 | 2024-07-04 | 苏州欧普照明有限公司 | Annular lens and lamp |
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| CN109268735B (en) | 2021-09-07 |
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