CN105042469B - Ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp and its manufacturing method - Google Patents
Ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp and its manufacturing method Download PDFInfo
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- CN105042469B CN105042469B CN201510482929.7A CN201510482929A CN105042469B CN 105042469 B CN105042469 B CN 105042469B CN 201510482929 A CN201510482929 A CN 201510482929A CN 105042469 B CN105042469 B CN 105042469B
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- 230000004888 barrier function Effects 0.000 claims 3
- 230000004446 light reflex Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 230000011218 segmentation Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
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- 210000003128 head Anatomy 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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
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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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
-
- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A kind of ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp and its manufacturing method, the LED light include：LED light source, concentrator, and reflector, a part of light convergence to send out the LED light source is arranged on the opticpath of the LED light source in the concentrator, the reflector forms an accommodating chamber and with an opening, the LED light source is arranged within the receiving cavity, and the another part light that the LED light source is sent out reaches reflected on the inner surface of the reflector after projected away from the opening, to which the light that the LED light source is sent out is guided the key lighting area on road surface respectively via the reflex of the refraction action of the concentrator and the reflector respectively, side lighting area, other high lighting area and other regions if necessary.
Description
Cross reference to related applications
It is January 30, entitled " ground in 2013 that the application, which is application No. is 201310034834.X, the applying date,
The divisional application of vehicle area correspondence direction light distribution type LED lamp and its manufacturing method ".
Technical field
The present invention relates to LED light, more particularly to a kind of region on ground traffic tools, which corresponds to, is directed toward light distribution type LED
Lamp and its manufacturing method.
Background technology
Headlamp is also headlight, is installed on the head on both sides of the vehicles such as automobile, is used for night illumination.Due to
The illuminating effect of headlamp directly affects the operation and traffic safety of driving at night, therefore countries in the world vehicle supervision department
Its lighting criteria is mostly defined with legal form.With the continuous development of technology, the past, that incandescent vacuum lamp was successively washed in a pan
It eliminates, the headlamp of present automobile is based on halogen lamp, xenon lamp.
The headlamp of the vehicles such as car headlamp has its unique light distribution structure, can also be divided according to luminous type
For high beam and dipped headlight.Such as the light that high beam is sent out is shot forward straight after the reflection of lampshade reflector, it is " remote with formation
Light ".The light that dipped headlight is sent out keeps off the top half to lampshade reflector to barn door, and the light reflected away is all unrestrained downward
Directive ground, with formation " dipped beam ", to cause to dazzle the eyes to the driver of opposite car.
Headlamp has very strict requirements to the distribution of the illumination of dipped beam, as shown in Figure 1A, according to some photometric standards,
When low beam mode is presented in headlamp, on vertical light distribution screen, h-h ' lines area pellucida below needs to reach certain light intensity, and
The boundary of the requirement dazzle the eyes in order to prevent, area pellucida and dark space needs to be limited between h-h ' lines and H-H ' lines, and to be formed bright
Dark dead line.As shown in Figure 1B, according to the headlamp of some other photometric standards, such as car right side, low beam mode is permitted
Perhaps direction to the right outwardly has light beam, this light beam that will not form dazzle, is had an impact to the driver of the vehicle on opposite.
LED itself has the unexistent many advantages of other lighting sources, for example low-voltage, longevity as new type light source
Order, is small, light-weight, responding fast, radiationless, pollution-free and resistance to various mal-conditions etc..Therefore it is made by light source of LED
LED headlamps are also a new trend, but existing LED light is relatively inaccessible to the area pellucida in headlamp standard on filament shield
Light intensity requirement, nor be easy to form apparent "cut-off"line, that is, it is not easy to provide ideal dipped beam.
It is a kind of structural schematic diagram of traditional LED headlamps as shown in Figure 2 comprising ellipsoid refractive body 1, eclipser 2,
And lens 3.According to the geometrical property of ellipsoid, there are two focuses F1 and F2 for it.LED light source is placed on one of focus
On F1, the light beam that LED light source is sent out is reflected by ellipsoid refractive body 1 and converged on another focus F2, and the of ellipsoid
The focus of two focuses and exactly lens, according to the property of lens, the refraction for the rays pass through lens launched in focus, output
Should be directional light.Around this principle, so that it may with according to the shape appropriate for changing ellipsoid is required, purpose makes defeated from lens
The light level diffusion gone out, then places eclipser 2, to reach the mesh to form light and shade by line in the focal point of lens.This biography
The LED headlamps of system need that light trap is arranged to realize the distribution of light, and LED light source generates the light of 180 degree range, can not keep away
Exempt from ground, there is the light intensity that significant component of light beam makes the light diffused downwards because of being blocked not enough to become clear, and also result in
Waste.
In addition, the development of following headlamp also tends to the development of hommization.One of direction is exactly in traffic
Increase side irradiation angle when tool such as automobile turning, to improve traffic safety.That is, in the process of moving such as automobile, working as chance
To when turning, road ahead will can be seen clearly before turning.And existing headlamp, such as above-mentioned has refractive body 1, eclipser
2 headlamp, light utilization efficiency is too small, and light emitting angle is small, causes the illumination of hot spot or so angle not too large.And the prior art
Provide two kinds of main solutions.One is install side headlamp, when steering wheel spins, output signal additional on rearview mirror
The side illumination lamp ignition for making rearview mirror install additional, to illuminate the curved road surface of front.Another, which is headlamp, to automatically adjust
Direction, more specifically, when steering wheel spins or when climb and fall, output signal makes headlamp rotation direction, and hot spot is moved
To curve ahead road surface.Both schemes have corresponding defect, the former needs to install side illuminator additional, and sample direction disk is needed to believe
Number, increase the complexity of system.And the latter uses traditional theory of mechanics, there are mechanical breakdowns, and the response time is slow.
Invention content
The main purpose of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, answers
For the vehicles such as automobile, enough light intensity can be reached to illuminate the road in front, and not will produce dazzle, so that it is guaranteed that
It can effectively and safely use.
Another object of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, LED
The light that light source is sent out can correspond to and project the region that predetermined light type of the LED headlamps on vertical light distribution screen requires.
Another object of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, with
LED illuminator is light source, to energy saving, durable and environmentally friendly.
Another object of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, wherein
It is provided with concentrator on the opticpath of the LED illuminator of LED light source, to improve the effective luminous flux of LED light source, to
Area pellucida of the LED headlamps on filament shield is set to reach satisfactory light intensity.
Another object of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, wherein
There are one reflectors for setting around the LED light source, and the LED light source is projected the light on the reflector and is divided
Match, prevents light from projecting upward and generate dazzle, influence the driver on the vehicles in front.
Another object of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, wherein
The LED light source may include multiple LED illuminators, and the multiple LED illuminator can be arranged in the array of one or more columns per page,
Compared to the array of traditional LED illuminator, LED illuminator of the invention can arrange in pairs or groups concentrator and reflector to generate optically focused
Effect, to make light that LED light source sends out evenly dark space do not occur.
Another object of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, wherein
Traditional required light trap of LED headlamps need not be provided, to which bigger limits the effect that ground plays LED light source, make needs
Bright region has higher light intensity.
Another object of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, wherein
The LED light source can along the centerline axis parallel with reflector direction and be arranged outward, to which the LED light source can
With reflector described in ring directive, and light is converged to by the reflector region of needs, to enhance LED light source
The utilization ratio of light intensity is vertically installed at rather than the LED light source in traditional LED headlamps along ellipsoid refractive body central shaft
On one mounting plate of line, causes the light that headlamp is sent out in order to prevent to project upwards, sent out downwards from LED light source at the beginning
Light be just blocked and keep the utilization ratio of light intensity very low.
Another object of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, anti-
Light utensil has the reflective surface that tortoiseshell shape is divided, to reach presumptive area on filament shield after so that light is reflected, to meet dipped beam
Requirement, the design of the tortoiseshell shape reflective surface can be calculated by the simulation of computer software and obtained, such as by described in determination
After light type of the LED headlamps on vertical light distribution screen requires, according to computer software another mistake to obtaining the shape of required reflector,
To make, the LED headlamps design difficulty of the present invention reduces and manufacturing process is relatively easy.
Another object of the present invention is to provide a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp, knot
Structure is simple, and cost reduction, is suitble to large-scale production and application.
To achieve the above objectives, the present invention provides a kind of ground traffic tools region correspondence direction light distribution type LED lamp, is used for
One key lighting area, side lighting area, and the illumination of high lighting area light distribution requirements, the ground traffic tools region correspond on one side
Being directed toward light distribution type LED lamp includes：
One LED light source；
One concentrator reflects some light of the LED light source to provide the illumination in the key lighting area；And
One reflector, the reflector includes side illumination echo area and the echo area of height illumination on one side, with respectively by institute
The some light for stating LED light source reflexes to the high lighting area of the side lighting area and the side.
According to a preferred embodiment of the present invention, the ground traffic tools region, which corresponds to direction light distribution type LED lamp, is
Headlamp, the light after concentrator refraction converge to the key lighting area of the vehicles front lower place.
According to a preferred embodiment of the present invention, the light after the concentrator refraction forms light and shade on filament shield and cuts
Only line.
According to a preferred embodiment of the present invention, the inner surface of the reflector is the reflecting surface of tortoiseshell shape segmentation,
To be correspondingly formed side illumination echo area, the other high illumination echo area and other linking illuminations for needing to make uniform light filling
Light filling echo area.
According to a preferred embodiment of the present invention, the ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp
Further include a light transmission outer cover, the light that the LED light source is sent out is respectively via the refraction action of the concentrator and described reflective
The light transmission outer cover is then passed through after the reflex of device, the light transmission outer cover provides protective effect.
According to a preferred embodiment of the present invention, the concentrator is selected from the aspherical convex lens of interception type and vertical bar type is luxuriant and rich with fragrance
One kind in Nie Er lens.
According to a preferred embodiment of the present invention, the light transmission outer cover is the light quality for improving the LED light
A kind of structure lens.
The present invention also provides a kind of ground traffic tools regions to correspond to direction light distribution type LED lamp comprising：
One LED light source；
One concentrator, the concentrator are arranged on the opticpath of the LED light source to send out the LED light source
A part of light convergence；And
One reflector, the reflector form an accommodating chamber and with an openings, and the LED light source setting is in the receiving
Intracavitary, and the another part light that sends out of the LED light source reaches after being reflected on the inner surface of the reflector from described
Opening project away, so that the light that sends out of the LED light source is respectively via the refraction action of the concentrator and described reflective
The reflex of device is directed towards predetermined light distribution region.
According to a preferred embodiment of the present invention, the ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp also
Including a light transmission outer cover, the light that the LED light source is sent out is respectively via the refraction action of the concentrator and the reflector
Reflex after be then passed through the light transmission outer cover, to which LED light source hair is protected and further improved to the light transmission outer cover
The light that goes out simultaneously is assigned to the predetermined light distribution region.
According to a preferred embodiment of the present invention, the ground traffic tools region, which corresponds to direction light distribution type LED lamp, is
The lower beam headlamp of the vehicles.
According to a preferred embodiment of the present invention, the corresponding light distribution echo area of being directed toward of the reflector is according to predetermined light distribution
It is required that being designed so that the light formation of the light and the refraction action via the concentrator after reflecting meets the predetermined light distribution
It is required that light type, meet the light type of high beam headlamp and the light distribution requirements of other lower beam headlamps as formed.
According to a preferred embodiment of the present invention, the LED light source includes one or more LED illuminators, wherein institute
It states multiple LED illuminators and is arranged in an array.
According to a preferred embodiment of the present invention, the inner surface of the reflector is tortoiseshell shape dividing surface, with correspondence
Form side illumination echo area, the other high illumination echo area and other light fillings for needing to make the linking illumination of uniform light filling
Echo area.
According to a preferred embodiment of the present invention, the LED light source is along the centerline axis parallel with the reflector
Direction and towards the opening of the reflector be arranged.
According to a preferred embodiment of the present invention, the ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp also
Including an at least installation component, to connect the LED light source and the concentrator.
The manufacturing method for being directed toward light distribution type LED lamp is corresponded to the present invention also provides a kind of ground traffic tools region comprising
Following steps：
(a) by the key lighting area in first part's light refraction to ground of a LED light source；
(b) the second part light of the LED light source is reflexed into side lighting area；And
(c) the Part III light of the LED light source high lighting area, the areas Zhu Zhao, the side on one side is reflexed to shine
The high lighting area in area and the side forms lower beam headlamp light type.
According to a preferred embodiment of the present invention, in the above-mentioned methods, the light source of the LED emits forward described first
Some light, with via being reflected after a concentrator to the key lighting area, and the LED light source is to surrounding transmitting described second
Some light and the Part III light by a reflector to be reflected towards the side lighting area and the other Gao Zhao respectively
Area pellucida.
According to a preferred embodiment of the present invention, in the above-mentioned methods, the reflector includes side illumination echo area
And the echo area of height illumination on one side, described the second of the LED light source and Part III light are reflexed to respectively described
The high lighting area of side lighting area and the side, the reflector further include light filling echo area, by the 4th of the LED light source
Light splitter reflexes to the linking lighting area for needing uniform light filling.
According to a preferred embodiment of the present invention, in the above-mentioned methods, it is shone before simulating the LED according to computer software
The structure of lamp simultaneously determines the key lighting area to be formed of institute, the side lighting area, the areas Pang Gao and light filling reflection
The predetermined light type in area, to obtain side illumination echo area, the other high illumination echo area and the light filling of the reflector
The shape and size of the shape and size of echo area and the concentrator.
According to a preferred embodiment of the present invention, the above method further includes step：One light transmission outer cover is set, is made described
The light that LED light source is sent out after the reflex of the refraction action of the concentrator and the reflector respectively via being then passed through institute
State light transmission outer cover.
According to a preferred embodiment of the present invention, the above method further includes step：Multiple LED illuminators are arranged in one
A array, to be combined into the LED light source.
According to a preferred embodiment of the present invention, in the above-mentioned methods, the concentrator is arranged to the LED light
Source has the position of focusing light effect, and the light after the concentrator reflects is enable to form apparent light and shade on filament shield
Dead line.
According to a preferred embodiment of the present invention, in the above-mentioned methods, it is aspherical convex to be selected from interception type for the concentrator
One kind in lens and vertical bar type Fresnel Lenses.
According to a preferred embodiment of the present invention, in the above-mentioned methods, the reflector the side illumination echo area,
The other high illumination echo area and the light filling echo area form the tortoiseshell shape segmentation inner surface of the reflector.
Description of the drawings
Figure 1A to Fig. 1 F is the schematic diagram of several light distribution requirements of the headlamp on filament shield.
Fig. 2 is a kind of structural schematic diagram of tradition LED headlamps.
Fig. 3 is ground traffic tools region correspondence direction light distribution type LED lamp according to a preferred embodiment of the present invention
Structural schematic diagram.
Fig. 4 is the sectional view of above preferred embodiment according to the present invention.
Fig. 5 is the appearance diagram of above preferred embodiment according to the present invention.
Fig. 6 is the LED of ground traffic tools region correspondence direction light distribution type LED lamp according to the abovementioned embodiments of the present invention
The structural schematic diagram of light emitting source.
Fig. 7 is that the ground traffic tools region of above preferred embodiment according to the present invention corresponds to direction light distribution type LED lamp
The light type formed on filament shield.
Specific implementation mode
It is that ground traffic tools region according to an embodiment of the invention corresponds to direction light distribution as shown in Figures 3 to 6
The structural schematic diagram of type LED light, the ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp for the photograph on the vehicles
It is bright, such as applied to car headlamp, the road in front is illuminated to provide sufficiently strong illumination, and be unlikely to that front is sailed
The driver of vehicle generate the effect dazzle the eyes, to safely and effectively be used.
Specifically, it includes a LED light source 10 that the ground traffic tools region, which corresponds to and is directed toward light distribution type LED lamp, and one is reflective
Device 20, a concentrator 30 and a light transmission outer cover 40.The LED light source 10 can reach requirement of the headlamp for distance light, institute
High beam headlamp can be fabricated directly into.And in the present invention, the main formation that dipped beam LED headlamps are discussed.The present invention's
LED headlamps further include the reflector 20 and the concentrator 30 for converging light, and the reflector 20 is arranged in institute
It states around LED light source 10, the concentrator 30 is arranged on the opticpath of the LED light source 10, to the LED light source
A part of light reach the reflector 20 from light that the LED light source 10 is sent out after reflected, another part light passes through described
It is accumulated after concentrator 30, and these light are projected across most light after the light transmission outer cover 30 to road surface, to anti-
Only light projects the driver for forming dazzle and influencing front vehicles upwards.
The LED light source 10 includes one or more LED illuminators 11, the opticpath of each LED illuminator 11
On can be provided with corresponding concentrator 30 multiple and different curved surfaces collector lens 31, that is to say, that the concentrator 30 can
To be made of multiple collector lenses 31 for playing focusing light effect, the collector lens such as convex lens, Fresnel Lenses, to
The light sent out per the LED illuminator 11 projects away again after the concentrator 30 is radially converging, to improve illumination effect
Rate, the illumination for reaching presumptive area have higher luminous flux.It is worth mentioning that the concentrator 20 can also be a monoblock
Collector lens.More specifically, the concentrator 30 is in order to which the light for sending out the LED illuminator of the LED light source 10 obtains
To form apparent "cut-off"line on the filament shield of photometric standards, the Fresnel Lenses can be that vertical bar type Fresnel is saturating
Mirror or the aspherical convex lens of interception type.That is, in order to reach the requirement to form apparent "cut-off"line, by luxuriant and rich with fragrance alunite
Your lens as concentrator in use, cannot be traditional circular planar disk-like because round hot spot can be formed on filament shield, hardly possible
To meet the requirements.Convex lens is when application is the concentrator 30, nor the spheric of single curvature, but according to reaching
Section is ended in conjunction with being formed in the requirement of the light type of "cut-off"line and aspherical and its boundary for being formed for multiple light projectors
Cut combinate form convex lens.
The concentrator 30 is located on the suitable position in 11 front of the corresponding LED illuminator, and size and shape can
To be arranged as required to, to reach maximum spotlight effect, and light and shade cut-off effect and apparent area of illumination can be formed
Domain.In a specific example, the concentrator 30 is also provided at least one installation component 32, to make the concentrator
30 are able to be mounted on the corresponding LED illuminator 11 in the LED light source 10 by least one installation component 32
Suitable location on opticpath.It is noted that the effect of the concentrator 30 is to form required main region
Illumination, and form apparent "cut-off"line, can be expanded on further in following exposure.
The LED illuminator 11 of the LED light source 10 is arranged in the accommodating chamber 21 defined by the reflector 20, institute
Reflector 20 is stated together to converge the light that the LED illuminator 11 is sent out with the concentrator 30.By described anti-
Light device 20 reflect after light and be accumulated direction that is rear and then projecting needs across the light of the concentrator 30, more specifically,
The inner surface of the reflector 20 is the reflective surface of the segmentation of tortoiseshell shape, and the reflector 20 forms an opening 22, by described
Light after the inner surface reflection of reflector 20 projects outward from the opening 22.
In addition, because the reflector 20 is substantially the light for sending out the LED illuminator 11 of the LED light source 10
It guides to each corresponding illumination region such as side lighting area, other high lighting area and the projection of uniform light filling lighting area, to the LED light
The light intensity of h-h ' line below primary illumination zone of the source 10 on the filament shield of photometric standards is also further enhanced and uniformly
The improvement of degree, more to meet the requirements.And in the prior art, as shown in Figure 2, ideal dipped beam and in filament shield in order to obtain
Upper formation "cut-off"line is provided with eclipser 2 to realize ideal light and shade cut-off and effectively blocking key lighting area h-h ' lines
The light of above section, to make the light that light source is sent out produce significant portion waste, and the LED light source is sent out in the present invention
The light gone out has obtained effective utilization.
The design of the reflective surface of 20 tortoiseshell shape of reflector segmentation can be carried out by computer software, more specifically,
The requirement of light type shown in Figure 1A to Fig. 1 F to be achieved can be inputted in computer, then computer software can require to count according to this
Calculate the shape and size of the reflective surface of the tortoiseshell shape segmentation.
As shown in Figure 1A to 1F be some headlamps photometric standards in, in figure 1A, the light that headlamp is sent out needs to exist
On vertical light distribution screen, h-h ' lines area pellucida below needs to reach certain light intensity.LED light source according to the present invention completely can be with
Reach above-mentioned requirements, in order to be better protected from the requirement dazzle the eyes, the boundary of area pellucida and dark space needs to be limited at h-h ' lines and H-
Between H ' lines, and to form "cut-off"line.And in Figure 1B, the light of headlamp can have diagonal beam to both sides.More specifically
Ground, such as the right side headlamp of automobile allow have light beam, left side headlamp to allow have light beam to upper left side to upper right side.Fig. 1 C are extremely
Fig. 1 F are the light type of other light distribution requirements.Certainly, these light distribution requirements are intended only as illustrating, and can also have in practical practicality
Other specific light distribution requirements.
The design of the reflective surface of the tortoiseshell shape segmentation of the reflector 20 is to meet above-mentioned light distribution requirements.More
Body, as an example, reach light as shown in Figure 1B to make the ground traffic tools region correspond to direction light distribution type LED lamp
Type, according to this embodiment of the invention, the light that the LED light source 10 is sent out are refracted to filament shield after the concentrator 30
The areas III, for towards the illumination on road surface.That is, the concentrator 30 mainly distributes the light in the areas III of key lighting area,
And form "cut-off"line.The reflector 20 is also used for that the light of the LED headlamps is made to project downward as much as possible.
But as shown in figure 3, the reflective surface of the tortoiseshell shape segmentation of the reflector 20 can make the arrival institute that the LED light source 10 is sent out
State the areas I and the areas II in the light projection to filament shield of reflector 20.That is, in this exemplary embodiment, the areas I and the areas II are
20 reflected light area of the reflector, the areas III are the refraction light areas of the concentrator 30.That is, the present invention's is described reflective
Device 20 completes the distribution of the light of presumptive area with the concentrator 30, and light distribution type is directed toward so as to form the region of the present invention
LED headlamps.
In other words, the areas the filament shield I and the areas II correspond to the side on road surface high lighting area I and side lighting area II.It is described
The areas filament shield III correspond to the key lighting area III on road surface.In this way, the ground traffic tools region of the present invention, which corresponds to, is directed toward light distribution
Type LED light provides the light for investing the high lighting area I in the side, side lighting area II and key lighting area III respectively.The road surface
The high lighting area I in side be used to illuminate eminence object beside road surface, be such as used to see guideboard and sagging branch clearly.The main photograph
Area pellucida III is used to illuminate the road surface of vehicles front lower place, and the side lighting area II is for illuminating inclined outside before the vehicles
The road surface in direction.Correspondingly, form other high illumination echo area 20A on the reflector 20 and side illuminate echo area 20B, with
In respectively by the light reflection of the LED light source to the corresponding high lighting area I and side lighting area II in side.
It is noted that situation shown in figure is only used as illustrating and being not intended to restrict the invention, of the invention is anti-
The inner surface of light device 20 can also be manufactured into the light for making the LED headlamps send out and form light type as shown in Figure 1A.In reality
In practicality, inventive concept of the invention can be adapted for being changed according to the requirement of specific filament shield.And to reach a certain
A predetermined light type, the structure of the reflector 20 can there are many.And light and warp after the reflection of the reflector 20
Cross what the region that the light after the concentrator 30 reflects projects respectively was not completely separate, naturally it is also possible to be to have overlapping
's.That is, for example, the light after the reflection of the reflector 20 also has a small amount of some light and projects above-mentioned master
The areas lighting area III.
It needs to make uniformly it will be further appreciated that the reflective surface of the tortoiseshell shape segmentation of the reflector 20 is additionally provided with other
The light filling echo area 20C of the linking illumination of light filling.That is, for above-mentioned side high lighting area I and side lighting area II and master
Uniform linking between the areas lighting area III, the light filling echo area 20C on the reflector 20 make above three lighting area form one
A complete hot spot is the light type that the LED headlamps in the present embodiment are formed on filament shield as shown in Figure 7.
In the present invention, the inner surface of the reflector 20 is not smooth surface, is in tortoiseshell shape in pre-position,
For the light for reaching the inner surface of the reflector 20 is reflected into required region.
It is worth mentioning that the LED light source 10 can along the centerline axis parallel with the reflector 20 direction simultaneously
And be outwards arranged, to which the LED light source can be with reflector 20 described in ring directive, and light is converged by the reflector 20
The region for gathering needs, to enhance the LED light source 10 light intensity utilization ratio, rather than in existing LED headlamps
LED light source be vertically installed on a mounting plate along ellipsoid refractive body central axis, lead to headlamp in order to prevent
The light sent out projects upwards, and the light sent out downwards from LED light source at the beginning just needs to be blocked, as shown in Figure 2.Namely
It says, in the present invention, multiple LED illuminators 10 of the LED light source 10 are radially inwardly directed to the opening of the reflector 20
22 settings, rather than the mounting means in traditional headlamp shown in Fig. 2, this makes this traditional headlamp institute in figure
Show that the light of the only about one third in the regions S be used to project illumination region, thus causes great waste.Institute
With ground traffic tools region of the invention corresponds to direction light distribution type LED lamp and only needs smaller power, can just meet completely
Light distribution requirements.
In addition, it's also worth mentioning that just because of the ground traffic tools region of the present invention, which corresponds to, is directed toward light distribution type LED lamp
Efficient light-configuration mode, the illumination of the broader angle in left and right can be reached.That is, the ground traffic tools area of the present invention
The predetermined projected area that domain corresponds to the light for being directed toward light distribution type LED lamp can further extend both sides to the left and right, to make hot spot
There is broader ductility on the direction of the left and right sides, is shone with providing more wide-angle side.Such as it is wanted in some existing light distributions
In asking, light or so angle is at 9 degree to 20 degree or so, and the ground traffic tools region of the present invention corresponds to and is directed toward light distribution type LED
Lamp is capable of providing bright enough more wide-angle illumination.Thus after on the vehicles such as automobile, before automobile turning, this
The light of the ground traffic tools region correspondence direction light distribution type LED lamp of invention will be irradiated to the road surface of previous turns, in this way
Before motor turning, the case where driver can know road surface ahead in advance.Without making headlamp with side in the prior art
It is rotated to the rotation of disk.Also need not on rearview mirror installation side headlamp.
It further includes a light transmission outer cover 40 that the ground traffic tools region, which corresponds to and is directed toward light distribution type LED lamp, outside the light transmission
Cover 40 can be water white transparency, to allow the LED light source to be reflected through the reflection of the reflector 20 and the concentrator 30
Light afterwards passes through and reaches scheduled light distribution area, and the light transmission outer cover 40 plays the role of protecting optical element.
In addition, it is noted that when the LED illuminator 11 of the LED light source 10 is using white LED luminary, pass through
The precipitation of colored photosphere can be formed after the refraction action of the concentrator 30, therefore, as an example, the light transmission outer cover can root
Situation is overflowed according to various white LED luminaries blue light different in refractive light paths and is designed as suitably carrying yellow light component, from
And the color of certain component is neutralized, to improve the light quality that the ground traffic tools region corresponds to direction light distribution type LED lamp.
As described above, light is sent out from each LED illuminator 11 of the LED light source 10, and it is in space multistory angular direction
Scattering is directly toward the light that the opening 22 of the reflector 20 is sent out and initially passes through after the concentrator 30 is refracted from described
Be open 22 projected outwards, and can reach the inner surface of the reflector 20 towards the light of surrounding, and in the reflector 20
Inner surface projects after being reflected again to the opening 22, and by a part of light and process of the concentrator 30 refraction
Another part light after the inner surface reflection of the reflector 20 is then passed through the light transmission outer cover 40, before making the LED
The light that illuminator is finally sent out forms satisfactory light distribution light type after reaching on filament shield, such as shown in Figure 1A to Fig. 1 F
Light type.It is noted that this structure of the present invention can also be used to by adjusting the shape and size of the reflector 20
It is fabricated to the high beam of LED headlamps.
In addition, the manufacturing method for being directed toward light distribution type LED lamp is corresponded to present invention provides a kind of ground traffic tools region,
The method comprising the steps of：An at least LED illuminator 11 is formed into a LED light source 10；Then in the optical link of the LED light source 10
A concentrator 30 is provided on diameter, at least part light that the LED illuminator 11 is sent out converges；Then according to computer
The simulation of software matches the shape and size of a reflector 20 of the LED headlamps according to a predetermined photometric standards,
The light that the reflector 20 is arranged around the LED light source 10 and forms an opening 22 for the LED light source
Projection outward, to which the light that the LED illuminator of the LED light source 10 is sent out is made by the refraction of the concentrator 30 respectively
With and the reflex of the reflector 20 after can be formed and meet the light of the predetermined photometric standards.
It should be understood by those skilled in the art that the embodiment of the present invention shown in foregoing description and attached drawing is only used as illustrating
And it is not intended to limit the present invention.
It can be seen that the purpose of the present invention is achieved completely and effectively.The function and structural principle of the present invention
It is shown and is illustrated in embodiment, under without departing substantially from the principle, embodiment can make arbitrary modification.So this hair
Bright includes all variant embodiments based on claim spirit and right.
Claims (15)
1. a kind of ground traffic tools region corresponds to the method that light distribution type LED lamp is applied to generation lower beam headlamp light type of being directed toward,
It is characterised in that it includes following steps：
(a) by the key lighting area in first part's light refraction to ground of a LED light source；
(b) the second part light of the LED light source is reflexed into side lighting area；And
(c) the Part III light of the LED light source is reflexed into high lighting area on one side, the key lighting area, the side illumination
The high lighting area in area and the side forms lower beam headlamp light type, and shuts out the light without using light barrier in the method.
2. according to the method described in claim 1, first part's light for emitting forward of the light source of the wherein described LED via
It is reflected after one concentrator to the key lighting area, and the LED light source emits the second part light and institute to surrounding
It states Part III light and the side is reflected towards by the side of reflector illumination echo area and the echo area of height illumination on one side respectively
The high lighting area of lighting area and the side, wherein being used for adjusting the structure of the projecting direction of the light of the LED light source by described
Concentrator and reflector composition.
3. according to the method described in claim 2, wherein further including step：The light that the LED light source is sent out is respectively via described
A light transmission outer cover is then passed through after the reflex of the refraction action of concentrator and the reflector.
4. according to the method described in claim 2, the wherein described concentrator is arranged has focusing light effect to the LED light source
Position enables the light after the concentrator reflects to form apparent "cut-off"line on filament shield.
5. according to the method described in claim 4, the wherein described concentrator is selected from the aspherical convex lens of interception type and vertical bar type is luxuriant and rich with fragrance
One kind in Nie Er lens.
6. a kind of ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp, which is characterized in that the LED light is automobile short-distance
Headlamp is used for a key lighting area, side lighting area, and the illumination of high lighting area light distribution requirements on one side, and includes：
One LED light source；
One concentrator, by a part of light refraction of the LED light source to provide the illumination in the key lighting area；And
One reflector, the reflector form an accommodating chamber and with an openings, and the LED light source setting is in the accommodating chamber
Interior, the reflector includes side illumination echo area and the echo area of height illumination on one side, with respectively by the another of the LED light source
Some light reflexes to the high lighting area of the side lighting area and the side, wherein the light for adjusting the LED light source
The structure of projecting direction is made of the concentrator and the reflector, and the LED light is manufactured to be implemented without light barrier.
7. ground traffic tools region according to claim 6, which corresponds to, is directed toward light distribution type LED lamp, wherein the traffic above-ground
It is headlamp that tools area, which corresponds to and is directed toward light distribution type LED lamp, and the light after concentrator refraction converges to the traffic
The key lighting area of tool front lower place.
8. ground traffic tools region according to claim 6, which corresponds to, is directed toward light distribution type LED lamp, which is characterized in that described
Light after concentrator refraction forms "cut-off"line on filament shield.
Further include outside a light transmission 9. ground traffic tools region according to claim 8, which corresponds to, is directed toward light distribution type LED lamp
Cover, the light that the LED light source is sent out is respectively via after the reflex of the refraction action of the concentrator and the reflector
It is then passed through the light transmission outer cover, the light transmission outer cover provides protective effect.
10. being corresponded to according to any ground traffic tools region in claim 6 to 8 and being directed toward light distribution type LED lamp, wherein institute
State the one kind of concentrator in the aspherical convex lens of interception type and vertical bar type Fresnel Lenses.
11. a kind of ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp, which is characterized in that the ground traffic tools area
Domain corresponds to the headlamp for being directed toward that light distribution type LED lamp is the vehicles comprising：
One LED light source；
One concentrator, the concentrator is arranged on the opticpath of the LED light source has focusing light effect to the LED light source
Position, a part of light that the LED light source is sent out converges；And
One reflector, the reflector form an accommodating chamber and with an openings, and the LED light source setting is in the accommodating chamber
It is interior, and the another part light that sends out of the LED light source is reached after being reflected on the reflecting surface of the reflector and is opened from described
Mouth projects away, so that the light that the LED light source is sent out is respectively via the refraction action of the concentrator and the reflector
Reflex be directed towards predetermined light distribution region, wherein for adjust the LED light source light projecting direction structure
It is made of the concentrator and the reflector, the LED light is manufactured to be implemented without light barrier.
Further include outside a light transmission 12. ground traffic tools region according to claim 11, which corresponds to, is directed toward light distribution type LED lamp
Cover, the light that the LED light source is sent out is respectively via after the reflex of the refraction action of the concentrator and the reflector
It is then passed through the light transmission outer cover, to which the light transmission outer cover is protected and further improves the light and distribution that the LED light source is sent out
To the predetermined light distribution region.
13. ground traffic tools region according to claim 11, which corresponds to, is directed toward light distribution type LED lamp, wherein the ground is handed over
Logical tools area corresponds to the lower beam headlamp for being directed toward that light distribution type LED lamp is the vehicles.
14. it is corresponded to according to any ground traffic tools region in claim 11 to 13 and is directed toward light distribution type LED lamp, wherein
After the corresponding direction light distribution echo area of the reflector is designed according to the light distribution requirements of predetermined high beam headlamp so as to reflect
Light with via the concentrator refraction action light formed meet the high beam headlamp light distribution requirements light type.
15. it is corresponded to according to any ground traffic tools region in claim 11 to 13 and is directed toward light distribution type LED lamp, wherein
The one kind of the concentrator in the aspherical convex lens of interception type and vertical bar type Fresnel Lenses.
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|---|---|---|---|
| CN201510482929.7A CN105042469B (en) | 2013-01-30 | 2013-01-30 | Ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp and its manufacturing method |
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|---|---|---|---|
| CN201510482929.7A CN105042469B (en) | 2013-01-30 | 2013-01-30 | Ground traffic tools region, which corresponds to, is directed toward light distribution type LED lamp and its manufacturing method |
| CN201310034834.XA CN103062698B (en) | 2013-01-30 | 2013-01-30 | Ground traffic tools region correspondence points to light distribution type LED lamp and manufacture method thereof |
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| CN201310034834.XA Division CN103062698B (en) | 2013-01-30 | 2013-01-30 | Ground traffic tools region correspondence points to light distribution type LED lamp and manufacture method thereof |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103062698B (en) * | 2013-01-30 | 2016-03-30 | 上海开腾信号设备有限公司 | Ground traffic tools region correspondence points to light distribution type LED lamp and manufacture method thereof |
| CN103453419A (en) * | 2013-07-22 | 2013-12-18 | 南通大学 | Automobile low-beam light capable of forming vivid cut-off lines |
| CN104534378B (en) * | 2014-07-21 | 2017-07-25 | 上海开腾信号设备有限公司 | Ground traffic toolses region correspondence points to light distribution type LED lamp |
| DE102015011623A1 (en) * | 2015-09-07 | 2017-03-09 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Headlight device of a vehicle |
| JP6705192B2 (en) * | 2016-02-04 | 2020-06-03 | 市光工業株式会社 | Vehicle lighting |
| KR101830663B1 (en) | 2016-07-06 | 2018-02-21 | 엘지전자 주식회사 | Vehicle lamp and control metohd thereof |
| JP6712204B2 (en) * | 2016-09-02 | 2020-06-17 | 株式会社小糸製作所 | Vehicle lighting |
| FR3058105B1 (en) * | 2016-10-28 | 2021-04-02 | Valeo Vision | OPTICAL MODULE FOR PROJECTING A CUT-OFF LIGHT BEAM WITH HORIZONTAL FOCUSING MEANS |
| CN108692265B (en) * | 2017-03-03 | 2020-11-20 | 长城汽车股份有限公司 | Light source assembly |
| CN109131047A (en) * | 2018-08-15 | 2019-01-04 | 常熟理工学院 | A kind of automobile intelligent front lamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5967647A (en) * | 1997-02-06 | 1999-10-19 | Robert Bosch Gmbh | Headlight for a vehicle, especially a motor vehicle |
| CN1261137A (en) * | 1999-01-21 | 2000-07-26 | 株式会社小糸制作所 | Identifying lights for vehicles |
| DE102008004352A1 (en) * | 2008-01-15 | 2009-07-16 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Headlight e.g. backup headlight, for illuminating road surface or surrounding of motor vehicle, has primary optics dividing light radiated by illuminant into light beams, so that one of beams is incident on lens acting as secondary optics |
| CN101922666A (en) * | 2008-12-24 | 2010-12-22 | 株式会社小糸制作所 | Vehicular illumination lamp |
| CN103062698B (en) * | 2013-01-30 | 2016-03-30 | 上海开腾信号设备有限公司 | Ground traffic tools region correspondence points to light distribution type LED lamp and manufacture method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3964089B2 (en) * | 2000-01-12 | 2007-08-22 | 株式会社小糸製作所 | Vehicle headlamp |
| FR2844867B1 (en) * | 2002-09-20 | 2005-07-08 | Valeo Vision | MOTOR VEHICLE PROJECTOR DEVICE WITH MIRROR AND CONJUGATED DEVIATION ELEMENT WITH NON-FLAT CUT |
| JP5043597B2 (en) * | 2007-10-24 | 2012-10-10 | スタンレー電気株式会社 | Direct projection lighting |
| CN101858550B (en) * | 2010-05-28 | 2012-02-01 | 天津方合科技发展有限公司 | LED light source of dipped headlamp of automobile, with cut-off line |
| JP5719671B2 (en) * | 2010-11-05 | 2015-05-20 | 株式会社小糸製作所 | Vehicle lighting |
| CN201973667U (en) * | 2010-12-17 | 2011-09-14 | 常州中隆车辆配件有限公司 | Light reflecting bowl of automobile headlamp |
| CN203147571U (en) * | 2013-01-30 | 2013-08-21 | 上海开腾信号设备有限公司 | Area corresponding directing light distribution type light-emitting diode (LED) lamp of ground transportation vehicle |
-
2013
- 2013-01-30 CN CN201310034834.XA patent/CN103062698B/en active Active
- 2013-01-30 CN CN201510482929.7A patent/CN105042469B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5967647A (en) * | 1997-02-06 | 1999-10-19 | Robert Bosch Gmbh | Headlight for a vehicle, especially a motor vehicle |
| CN1261137A (en) * | 1999-01-21 | 2000-07-26 | 株式会社小糸制作所 | Identifying lights for vehicles |
| DE102008004352A1 (en) * | 2008-01-15 | 2009-07-16 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Headlight e.g. backup headlight, for illuminating road surface or surrounding of motor vehicle, has primary optics dividing light radiated by illuminant into light beams, so that one of beams is incident on lens acting as secondary optics |
| CN101922666A (en) * | 2008-12-24 | 2010-12-22 | 株式会社小糸制作所 | Vehicular illumination lamp |
| CN103062698B (en) * | 2013-01-30 | 2016-03-30 | 上海开腾信号设备有限公司 | Ground traffic tools region correspondence points to light distribution type LED lamp and manufacture method thereof |
Non-Patent Citations (1)
| Title |
|---|
| FFR汽车前照灯的光学设计;周军等;《灯与照明》;19990630;第23卷(第3期);第1-5页 * |
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| CN103062698A (en) | 2013-04-24 |
| CN105042469A (en) | 2015-11-11 |
| CN103062698B (en) | 2016-03-30 |
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Denomination of invention: LED lights corresponding to directional distribution in ground transportation vehicle areas and their manufacturing method Effective date of registration: 20230426 Granted publication date: 20180828 Pledgee: Bank of Hangzhou Limited by Share Ltd. Shanghai branch Pledgor: Shanghai Kaiteng Signal Equipment Co.,Ltd. Registration number: Y2023310000148 |
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Denomination of invention: LED lights corresponding to directional distribution in ground transportation vehicle areas and their manufacturing method Effective date of registration: 20230529 Granted publication date: 20180828 Pledgee: Bank of Hangzhou Limited by Share Ltd. Shanghai branch Pledgor: Shanghai Kaiteng Signal Equipment Co.,Ltd. Registration number: Y2023310000220 |