CN209495188U - A kind of reflecting LED signal lamp - Google Patents
A kind of reflecting LED signal lamp Download PDFInfo
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- CN209495188U CN209495188U CN201822161617.8U CN201822161617U CN209495188U CN 209495188 U CN209495188 U CN 209495188U CN 201822161617 U CN201822161617 U CN 201822161617U CN 209495188 U CN209495188 U CN 209495188U
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Abstract
The utility model belongs to lighting technical field, specially a kind of reflecting LED signal lamp.Its structure includes shell, mask, LED lamp bead, cover board, rear cover, PCB circuit board；LED lamp bead, PCB circuit board, optical lens, mask form optics module, and placement is fixed in the groove inside lamp housing；The characteristics of the utility model is according to ship signal carries out secondary light-distribution design to LED by optical lens, and lens use more free-form surface lens forms, by light by reflection, reach specified region；The utilization rate of light source is improved to greatest extent.The signal modulated structure is simple, practicability with higher.
Description
Technical field
The utility model belongs to lighting technical field, and in particular to a kind of LED signal lamp.
Background technique
In ship's navigation, boat lamp plays essential role, and signal lamp belongs to one kind of boat lamp, is mounted on mast
Top, realizes luminous lighting, for issuing corresponding signal, showing oneself state or meeting in two ships within the scope of certain angle
When transmit corresponding information.Navigation condition of ship is varied, under night or the lower situation of visibility, needs to use signal lamp
Issue signal.So the optical design of signal lamp has influenced the accuracy of identification and the information transmitting of human eye.
Traditional signal lamp uses tungsten halogen lamp as lighting method, and illumination has low efficiency, shines unstable, dazzle is tight
The disadvantages of weight, during being currently phased out.At the same time, LED gradually occupies major part as solid-state lighting light source
Illumination market, and have big advantage compared to tungsten halogen lamp.There is more flexible optical design empty using the signal lamp of LED light source
Between.
Summary of the invention
The purpose of this utility model is to provide a kind of uniformly light-emitting, dazzle is few, efficiency is high, structure is simply reflective
LED signal lamp.
The reflecting LED signal lamp of the utility model design passes through optical lens according to the requirement and feature of ship signal
Mirror carries out secondary light-distribution design to LED lamp bead array, and the optical lens uses more free-form surface lens forms, by repeatedly anti-
The light that LED lamp bead array issues all is collected and is redistributed by optical system, in the horizontal direction by the mode penetrated
Realization uniformly light-emitting in the region of 360 ° and vertical direction ± 60 °；The utilization rate of light source can be greatly improved in this way, realize higher
Visibility.
The utility model design reflecting LED signal lamp, structure include shell, mask, LED lamp bead, optical lens,
Cover board, rear cover, PCB circuit board；LED lamp bead, PCB circuit board, optical lens, cover board constitute the optics module of LED signal lamp, lamp
Enclosure interior be equipped with corresponding recesses, for placing and fixing the optics module；Wherein:
In the optics module, using the LED lamp bead of patch, in array distribution in (SMT patch can be used on aluminum substrate
Machine is welded on aluminum substrate)；Aluminum substrate is fixed on LED support (radiator), constitutes non-removable component, such as aluminum substrate
It is connected by screw on LED support (radiator), and is welded with screw；Optical lens is mounted on above LED lamp bead array,
LED lamp bead is located at below the geometric center of optical lens；
The optical lens is issued LED lamp bead array by multiple reflections using more free-form surface lens forms
Light is all collected and is redistributed by optical system, is realized in 360 ° of level and vertical ± 60 ° of region uniform
It shines；
LED light source array is formed series and parallel structure, is uniformly supplied by the PCB circuit board for fixing LED chip
Electricity and driving；The component of LED signal lamp is fixed by standing finish；
Mask is mounted on the opening of lamp housing, for closing entire optical system.
In the reflecting LED signal lamp of the utility model design, LED lamp bead array and PCB circuit board constitute LED light source board
Module, the module include three LED lamp bead arrays of different shapes, are respectively as follows: circle, triangle, X-shaped；Wherein, each shape
It is corresponding with a kind of color；For example, green is circle, yellow is triangle, red X, respectively indicates unlike signal；LED in array
Lamp bead is arranged with proportional spacing, and disparate modules shine and can be controlled to adjust according to different application scenarios.
In the reflecting LED signal lamp of the utility model design, the optical module can be by three kinds of colors of red, yellow, and green
LED chip LED light source consisting array, so as to realize different colours signal shine.
The utility model design reflecting LED signal lamp in, more free-form surface lens, curve form according to
The light distribution of LED light source array itself requires design, realize in 360 ° in the horizontal direction it is luminous, in vertical direction ± 60 °
When reach largest light intensity so that the spatial distribution of light is more concentrated, convenient for observation.
Specifically, the design rule of more free-form surface lens is as follows:
(1) minimum intensity of light in required light emitting region is extrapolated according to Aura moral law.Aura moral law such as formula
(1) shown in:
Wherein:
Et: illumination threshold (ICAO International Civil Aviation Organization recommendation 1x10-6lx)；
I: luminous intensity, unit cd (candela), 1cd=1lm/sr；
L: visibility, unit m；
U: linear extinction coefficient, at 6 grades of visibility conditions (international atmospheric visibility classification standard), u=0.39/km；
E: natural constant.E=2.7183；
The minimum intensity of light in light emitting region is calculated are as follows:
I=Et×L2×euL (2)。
(2) according to previous step be calculated result it is required that light intensity in signal lamp light emitting region is greater than minimum intensity of light I.
Due to light emitting region light distribution feature, edge light intensity is less than central light strength, therefore it is required that light emitting region edge light intensity IvminGreatly
In the minimum intensity of light I being calculated.
For the target light intensity for realizing light emitting region requirement, need to calculate the luminous flux of lamps and lanterns.The luminous flux and light of light source
There are following calculation formula between strong:
Wherein, Iv(φ, θ) represents the spatial distribution of light source intensity, and selected LED chip light distribution is approximately cosine
Radiator, light intensity show as cosine distribution radially.If edge light intensity is Ivmin, then central light strength should be 2Ivmin, therefore can
The light distribution of LED chip is simulated with formula (4):
Iv=2Ivmincosθ (4)
The angular range of integral in formula (3) is determined according to light emitting region requirement, thus can find out the luminous flux of lamp.
(3) on the basis of the result that second step is calculated, consider the transmitance of window glass, practical institute can be calculated
Need total light of LED chip logical.The calculation formula of glass transmitance is as follows:
τ=μn (5)
Wherein, τ is total transmitance, and μ is the transmitance of unit millimeter, and n is selected thickness of glass (unit: mm)；
Therefore, total light of actually required LED chip leads to F are as follows:
F=Fv/τ (6)。
(4) design of more free form surfaces is completed by software calculating simulation according to calculated result.
In the reflecting LED signal lamp of the utility model design, free-form surface reflector carries out secondary light-distribution to LED and sets
The energy that LED chip issues is collected by way of reflection, redistributes and then projected, realize specific shape by meter
The illuminating effect of shape and light distribution simplifies structure design, improves zero under the premise of meeting product requirement and relevant criterion
The versatility of part.The LED signal lamp structure is simple, practicability with higher.
Detailed description of the invention
Fig. 1 is the overall structure figure of reflecting LED signal lamp.
Fig. 2 is the overall schematic of reflecting LED signal lamp.
Fig. 3 is reflecting LED signal lamp LED array string and mode schematic diagram.
Figure label: 1 is lamp housing, and 2 masks, 3 be LED chip, and 4 be pcb board, and 5 be rear cover.
Specific embodiment
The utility model is further described with specific example with reference to the accompanying drawing.
Fig. 1 is the overall structure figure of reflecting LED signal lamp, and lamp housing 1 is main body, and LED chip 3 arranges in an array manner
On pcb board 4, realization is controllable luminous, and mask 2 is installed on lamp housing 1, is emitted to the light of lamp interior, and to lamps and lanterns
Internal structure plays a protective role.
Fig. 2 is the overall schematic of reflecting LED signal lamp, and the LED chip 3 of three kinds of colors is arranged in array manner
On pcb board 4, and form different shape.In the utility model, used LED chip is respectively the feux rouges of model LA G6SP
LED, the yellow light LED of model LY G6SP, the green light LED of model LT G6SP and model SFH250 near-infrared LED, single function
Rate is about 0.3W.
As shown in figure 3, carrying out constant current-supplying by the way of the LED chip 3 is in parallel after first connecting, 49 feux rouges are shared
LED, 49 yellow light LEDs, 49 green light LEDs and 36 infrared LED chips.It is issued by the array of source that LED chip 3 forms
Light is emitted after the reflecting and collecting of free form surface by mask 2, is ultimately formed with light distribution and spatial light point
Cloth.
According to 6 grades of visibility conditions (international atmospheric visibility classification standard)；Visible at night distance is wanted greater than 2.8km
It asks, the minimum intensity of light in region can be extrapolated according to Aura moral law theory.Aura moral law such as formula (1) are as follows:
Wherein:
Et: illumination threshold (ICAO International Civil Aviation Organization recommendation 1x10-6lx)；
I: luminous intensity, unit cd (candela), 1cd=1lm/sr；
L: visibility, unit m；
U: linear extinction coefficient, at 6 grades of visibility conditions (international atmospheric visibility classification standard), u=0.39/km；
E: natural constant.E=2.7183；
The minimum intensity of light in light emitting region is calculated are as follows:
I=Et×L2×eUl=23.5cd (2)
According to previous step be calculated result it is required that light intensity in signal lamp light emitting region is greater than minimum intensity of light I.Due to
Light emitting region light distribution feature, edge light intensity is less than central light strength, therefore it is required that light emitting region edge light intensity IvminGreater than meter
Obtained minimum intensity of light I.Thermal design is also contemplated that in actual design, therefore in design according to Ivmin=25cd is set
Meter.
For the target light intensity for realizing light emitting region requirement, need to calculate the luminous flux of lamps and lanterns.The luminous flux and light of light source
There are following calculation formula between strong:
Wherein, Iv(φ, θ) represents the spatial distribution of light source intensity, and selected LED chip light distribution is approximately cosine
Radiator, light intensity show as cosine distribution radially.If edge light intensity is Ivmin, then central light strength should be 2Ivmin, therefore can
The light distribution of LED chip is simulated with formula (4):
Iv=50cos θ (4)
The angular range of integral in formula (3) is determined according to light emitting region requirement, to realize design requirement；It will irradiation
Region is defined as horizontal angle: -60 °~60 °；For vertical angle: -60~60 °；It is converted into radian horizontal angle are as follows:Vertically
Angle are as follows:Thus the luminous flux of lamp can be found out.
The luminous flux being calculated is theoretical value, in practical applications, it is also contemplated that the transmitance of window glass, then calculate
Total light of actually required LED chip is logical out.The calculation formula of glass transmitance is as follows:
τ=μn (6)
Wherein, τ is total transmitance, and μ is the transmitance of unit millimeter, and n is selected thickness of glass (unit: mm), this
The window glass transmitance used in invention is 81.5%.
Therefore, total light of actually required LED chip leads to F are as follows:
In view of the thermal design requirement and other losses in practical application, total light of the LED chip of final choice is logical not
50lm can be lower than.
The design of more free form surfaces is finally completed by software calculating simulation according to calculated result.
Claims (3)
1. a kind of reflecting LED signal lamp, which is characterized in that including shell, mask, LED lamp bead, optical lens, cover board, after
Lid, PCB circuit board；LED lamp bead, PCB circuit board, optical lens, cover board constitute the optics module of LED signal lamp；In lamp housing
Portion is equipped with groove, and the optics module is placed by groove, is fixed in shell；Wherein:
In the optics module, using the LED lamp bead of patch, in array distribution on aluminum substrate；Aluminum substrate is fixed on LED branch
On frame, non-removable component is constituted；Optical lens is mounted on above LED lamp bead array, and LED lamp bead is located at the several of optical lens
What central lower；
The optical lens, using more free-form surface lens forms, by multiple reflections, the light that LED lamp bead array is issued
It all collects and is redistributed by optical system, realize uniformly light-emitting in 360 ° of level and vertical ± 60 ° of region；
LED light source array is formed series and parallel structure for fixing LED chip by the PCB circuit board, be uniformly powered and
Driving；The component of LED signal lamp is fixed by standing finish；
Mask is mounted on the opening of lamp housing, for closing entire optical system.
2. reflecting LED signal lamp according to claim 1, which is characterized in that the LED lamp bead array and PCB circuit
Plate constitutes LED light source board module, and there are three types of different forms for the LED lamp bead array arrangement in the module: circle, triangle, X
Shape, the LED lamp bead in array are arranged with proportional spacing, and disparate modules, which shine, to carry out control tune according to different application scenarios
Section.
3. reflecting LED signal lamp according to claim 1, which is characterized in that the optics module is by red, yellow, and green
The LED chip LED light source consisting array of three kinds of colors, to realize that the signal of different colours shines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822161617.8U CN209495188U (en) | 2018-12-22 | 2018-12-22 | A kind of reflecting LED signal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822161617.8U CN209495188U (en) | 2018-12-22 | 2018-12-22 | A kind of reflecting LED signal lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209495188U true CN209495188U (en) | 2019-10-15 |
Family
ID=68153484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822161617.8U Active CN209495188U (en) | 2018-12-22 | 2018-12-22 | A kind of reflecting LED signal lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209495188U (en) |
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2018
- 2018-12-22 CN CN201822161617.8U patent/CN209495188U/en active Active
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