CN111963933A - Double-layer double-angle lens - Google Patents
Double-layer double-angle lens Download PDFInfo
- Publication number
- CN111963933A CN111963933A CN202010872703.9A CN202010872703A CN111963933A CN 111963933 A CN111963933 A CN 111963933A CN 202010872703 A CN202010872703 A CN 202010872703A CN 111963933 A CN111963933 A CN 111963933A
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- China
- Prior art keywords
- lens
- double
- curved surface
- led lamp
- lower lens
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- Pending
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- 230000000694 effects Effects 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Classifications
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- 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
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- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/04—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for waterways
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- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a double-layer double-angle lens, which relates to the field of beacon lights and comprises an upper lens and a lower lens which are coaxially and fixedly connected, wherein the bottom of the lower lens is provided with a mounting hole for inserting an LED lamp, the upper lens and the lower lens are both drum-shaped structures extending outwards, the outer sides of the upper lens and the lower lens respectively form an upper curved surface part and a lower curved surface part, and the radian of the lower curved surface part is larger than that of the upper curved surface part, so that the vertical divergence angle of the upper lens is larger than that of the upper lens, when a ship is far away, light beams emitted by the lower lens can be quickly captured, when the ship is near, although waves drive the beacon lights to fluctuate, the ship can quickly determine the position of the beacon lights no matter far or near, and the indicating effect of the beacon lights is further improved.
Description
Technical Field
The invention relates to the field of beacon lights, in particular to a double-layer double-angle lens.
Background
The navigation mark lamp is one kind of aviation obstruction lamp series product and is one kind of traffic lamp installed on some navigation mark lamps to ensure the safe navigation of ship at night. The navigation mark lamp series products are respectively provided with 4 types of fixed lamp marks, lamp buoys, light boats and lighthouses, and are required to emit specified light colors and flash frequencies at night to reach specified irradiation angles and visible distances.
The existing lens mainly adopts the following forms, namely a planar Fresnel lens, and the main use places of the planar Fresnel lens are a navigation mark lamp, a bridge mark lamp and the like; secondly, the planar lattice convex lens is also used for a guide lamp and a bridge lamp in the navigation mark lamp; the drum-shaped prism lens is used for splitting light by using a prism, and a drum-shaped structure changes a point light source into parallel light to improve the range, so that the drum-shaped prism lens is widely used in navigation mark lamps in sea areas; and fourthly, the Fresnel lens is widely applied to the inland navigation mark lamp. The fresnel lens has the function of elongating light in the vertical direction and changing a point light source into a parallel light source in the horizontal direction.
The vertical divergence angle and the range of the lens are difficult to be effectively compatible, namely when the range of the vertical divergence angle is large, the range of light is close; corresponding when the scope of perpendicular divergence angle is less, the range of light is far away, but to the great channel region of wave fluctuation, the ship only needs to learn the position of navigation mark lamp fast in the department of keeping away, when the ship approaches the navigation mark lamp simultaneously, under the night environment of dark, also prevents that the ship from colliding the navigation mark lamp, but current navigation mark lamp has great limitation.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provide a double-layer double-angle lens, wherein the lens boat can effectively and compatibly straighten divergence angle and range, and can quickly determine the position of a navigation mark lamp no matter how far the boat is, so that the indicating effect of the navigation mark lamp is further improved.
The invention is realized by the following technical scheme: the utility model provides a lens of double-deck double-angle, includes coaxial fixed connection's last lens and lower lens, and the mounting hole that inserts the LED lamp is seted up to the bottom of lower lens, goes up lens and lower lens and all is the cydariform structure that extends to the outside, goes up the outside of lens and lower lens and forms curved surface portion and curved surface portion down respectively, and the radian of curved surface portion is greater than the radian of curved surface portion down.
According to the above technical solution, preferably, a vertical divergence angle of the upper lens is larger than a vertical divergence angle of the lower lens.
According to the above technical solution, preferably, the maximum vertical divergence angle of the upper lens is not less than 8 °, and the maximum vertical divergence angle of the lower lens is not less than 4 °.
According to the technical scheme, preferably, the LED lamps are distributed in the upper lens and the lower lens at equal intervals in the circumference.
According to the technical scheme, preferably, the distance between the light emitting surface of the LED lamp and the circle centers of the upper lens and the lower lens is 20-25mm, and the distance between the LED lamp inside the upper lens and the LED lamp inside the lower lens is 15-25 mm.
According to the technical scheme, preferably, the distance between the light emitting surface of the LED lamp and the circle centers of the upper lens and the lower lens is 23.5mm, and the distance between the LED lamp inside the upper lens and the LED lamp inside the lower lens is 19 mm.
The invention has the beneficial effects that: the invention comprises an upper lens and a lower lens which are coaxially and fixedly connected, wherein the upper lens and the lower lens are both drum-shaped structures extending outwards, the outer sides of the upper lens and the lower lens respectively form an upper curved surface part and a lower curved surface part, the radian of the lower curved surface part is greater than that of the upper curved surface part, so that the vertical divergence angle of the upper lens is greater than that of the upper lens, when a ship is at a far position, a light beam emitted by the lower lens can be quickly captured, when the ship is at a near position, the ship can still quickly capture the light beam emitted by the upper lens even though waves drive a beacon light to fluctuate, and the position of the beacon light can be quickly determined no matter how far the ship is.
Drawings
Fig. 1 shows a schematic perspective view of an embodiment according to the invention.
Fig. 2 shows a front view structural diagram according to an embodiment of the present invention.
Fig. 3 shows a schematic top view of an embodiment according to the invention.
Fig. 4 is a schematic sectional view in the direction of a-a in fig. 3.
FIG. 5 shows a simulated light ray diagram according to an embodiment of the invention.
FIG. 6 illustrates a simulated spot pattern for the upper lens according to an embodiment of the invention.
FIG. 7 shows a simulated light distribution plot for the upper lens according to an embodiment of the present invention.
FIG. 8 illustrates a simulated spot pattern for the lower lens according to an embodiment of the invention.
Fig. 9 shows a simulated light distribution graph of the lower lens according to an embodiment of the present invention.
Fig. 10 shows a simulation result spot diagram according to an embodiment of the present invention.
FIG. 11 shows a simulated light distribution plot according to an embodiment of the present invention.
In the figure: 1. an upper lens; 2. a lower lens; 3. mounting holes; 4. a curved upper surface portion; 5. a lower curved surface portion; 6. an LED lamp.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the invention provides a double-layer double-angle lens, which comprises an upper lens 1 and a lower lens 2 which are coaxially and fixedly connected, wherein the upper lens is communicated with the lower lens through a connecting part, the bottom of the lower lens 2 is provided with a mounting hole 3 for inserting an LED lamp 6, the upper end surface of the upper lens is provided with a closed cover plate, the upper lens 1 and the lower lens 2 are both drum-shaped structures extending outwards, the outer sides of the upper lens 1 and the lower lens 2 are respectively provided with an upper curved surface part 4 and a lower curved surface part 5, the radian of the lower curved surface part 5 is greater than that of the upper curved surface part 4, so that the vertical divergence angle of the upper lens 1 is larger than that of the lower lens 2, 16 LED lamps 6 are provided in a single layer, the LED lamps 6 are distributed in the upper lens 1 and the lower lens 2 at equal intervals in the circumference, the maximum vertical divergence angle of the upper lens 1 is not less than 8 degrees, and the maximum vertical divergence angle of the lower lens 2 is not less than 4 degrees.
According to the above embodiment, it is preferable that the light emitting surface of the LED lamp 6 is spaced from the center of the upper lens 1 and the center of the lower lens 2 by 20-25mm, and the distance between the LED lamp 6 inside the upper lens 1 and the lower lens 2 is 15-25 mm.
Further, the light emitting surface of the LED lamp 6 is 23.5mm away from the circle centers of the upper lens 1 and the lower lens 2, and the distance between the LED lamp 6 inside the upper lens 1 and the lower lens 2 is 19 mm.
The double-layer double-angle lens is simulated and divided into an upper lens 1, a lower lens 2, an upper lens 1 and a lower lens 2, and three modes are simulated simultaneously:
upper lens simulation: the receiving surface is spaced 100000mm from the light source, and the simulation results show that the vertical divergence angle is about 10 degrees as shown in fig. 6 and 7;
lower lens simulation: the receiving surface is spaced 100000mm from the light source, and the simulation results are shown in fig. 8 and 9, the vertical divergence angle is about 4 °;
the upper and lower lenses were simulated simultaneously: the receiving surface was spaced 100000mm from the light source and the simulation results are shown in fig. 10 and 11.
The invention has the beneficial effects that: the invention comprises an upper lens 1 and a lower lens 2 which are coaxially and fixedly connected, wherein the upper lens 1 and the lower lens 2 are both drum-shaped structures extending outwards, the outer sides of the upper lens 1 and the lower lens 2 are respectively provided with an upper curved surface part 4 and a lower curved surface part 5, and the radian of the lower curved surface part 5 is greater than that of the upper curved surface part 4, so that the vertical divergence angle of the upper lens 1 is greater than that of the upper lens 1, when a ship is at a far position, light beams emitted by the lower lens 2 can be quickly captured, and when the ship is at a near position, although waves drive a beacon light to fluctuate, the ship can still quickly capture the light beams emitted by the upper lens 1, so that the position of the beacon light can be quickly determined no matter how far the ship is, and the indicating effect of the beacon light is further improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a lens of double-deck biangularity, its characterized in that includes coaxial fixed connection's last lens and lower lens, the mounting hole that inserts the LED lamp is seted up to the bottom of lower lens, it all is the cydariform structure that extends to the outside with lower lens to go up lens, the outside of going up lens and lower lens forms curved surface portion and curved surface portion down respectively, the radian of curved surface portion is greater than down go up the radian of curved surface portion.
2. The double-layered double-angled lens of claim 1, wherein the vertical divergence angle of the upper lens is greater than the vertical divergence angle of the lower lens.
3. The double-layered double-angled lens according to claim 2, wherein the maximum vertical divergence angle of the upper lens is not less than 8 °, and the maximum vertical divergence angle of the lower lens is not less than 4 °.
4. The double-layer double-angle lens as claimed in claim 3, wherein the LED lamps are circumferentially distributed in the upper lens and the lower lens at equal intervals.
5. The double-layer double-angle lens as claimed in claim 4, wherein the light emitting surface of the LED lamp is 20-25mm away from the center of the upper lens and the lower lens, and the distance between the LED lamp inside the upper lens and the LED lamp inside the lower lens is 15-25 mm.
6. The double-layer double-angle lens as claimed in claim 5, wherein the light emitting surface of the LED lamp is 23.5mm away from the center of the upper lens and the lower lens, and the distance between the LED lamp inside the upper lens and the LED lamp inside the lower lens is 19 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010872703.9A CN111963933A (en) | 2020-08-26 | 2020-08-26 | Double-layer double-angle lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010872703.9A CN111963933A (en) | 2020-08-26 | 2020-08-26 | Double-layer double-angle lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111963933A true CN111963933A (en) | 2020-11-20 |
Family
ID=73389792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010872703.9A Pending CN111963933A (en) | 2020-08-26 | 2020-08-26 | Double-layer double-angle lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111963933A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091506A (en) * | 1993-12-17 | 1994-08-31 | 上海航标厂 | Compound drum-shape and use the navigation light of these lens |
| CN203489028U (en) * | 2013-08-21 | 2014-03-19 | 金枫 | Unequal-curvature lens type beacon light |
| CN210485438U (en) * | 2019-10-18 | 2020-05-08 | 上海视觉航标机电有限公司 | Navigation mark lamp |
-
2020
- 2020-08-26 CN CN202010872703.9A patent/CN111963933A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091506A (en) * | 1993-12-17 | 1994-08-31 | 上海航标厂 | Compound drum-shape and use the navigation light of these lens |
| CN203489028U (en) * | 2013-08-21 | 2014-03-19 | 金枫 | Unequal-curvature lens type beacon light |
| CN210485438U (en) * | 2019-10-18 | 2020-05-08 | 上海视觉航标机电有限公司 | Navigation mark lamp |
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Application publication date: 20201120 |