CN106439682A - Optical collector for automotive dipped headlight module - Google Patents
Optical collector for automotive dipped headlight module Download PDFInfo
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- CN106439682A CN106439682A CN201610866450.8A CN201610866450A CN106439682A CN 106439682 A CN106439682 A CN 106439682A CN 201610866450 A CN201610866450 A CN 201610866450A CN 106439682 A CN106439682 A CN 106439682A
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- Prior art keywords
- condenser
- luminance
- dipped beam
- seg10
- reduction
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
-
- 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
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
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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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
- F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
An optical collector for an automotive dipped headlight module comprises an optical collecting structure (1), a cut-off line forming structure (2), a 50L dark region forming structure (3), an III region forming structure (4) and an SEG 10 brightness reducing structure (5). The III region forming structure (4) comprises an III region broadening forming structure (4-1) and an HV brightness reducing structure (4-2); and the cut-off line forming structure (2) is arranged at the front end of the optical collector, the SEG 10 brightness reducing structure (5) is arranged on the bottom of the optical collector, the III region forming structure (4) is arranged on the bottom of the optical collector and is positioned at the front end of the SEG 10 brightness reducing structure (5), and the 50 L dark region forming structure (3) is arranged on the bottom of the optical collector, and is positioned between the III region forming structure (4) and the cut-off line forming structure (2). According to the optical collector for the automotive dipped headlight module, except a lens, all other optical elements and parts of the optical collector are integrated, and therefore, space utilization efficiency is greatly improved; positional accuracy of various optical functional components is guaranteed, and position errors do not exist; and costs are low.
Description
Technical field
A kind of the present invention relates to car light, in particular it relates to condenser for dipped beam car light module.
Background technology
At present, application of the LED light source in dipped beam car light module comparative maturity, the dipped beam car light module of LED light source
Varied, but module miniaturization, simple structure, low cost and high-performance are development trends, in these areas, also much
Development space, the car light module for possessing features above has good market potential.
Existing car light module, condenser typically only has single concentration structure, meets specific regulation (ratio to be formed
The such as regulation such as ECE R123Class C, V, E) dipped beam light shape, it is necessary to possess the parts such as dark slide, disadvantage of this is that
Not enough simplify in structure.
Existing car light module, in order to meet specific regulation, had will arrange dozens of LED light source, by tens of
Part in individual LED carries out bright, control of going out, and the brightness for realizing specific region in dipped beam light shape changes, and disadvantage of this is that,
The cost of module is large number of because of LED light source, relatively costly, and module space is larger.
Therefore, this neighborhood technical issues that need to address are at present：The existing car light module containing condenser, integrated
Degree is relatively low, and in order to form dead line, and the brightness of reduction some regions, still with the realization of dark slide part is increased, this causes
The structure of car light module is not simple enough, and volume is not compact enough；Or by specific in the light on and off control dipped beam light shape of a large amount of LED
The brightness flop in region, the cost of do so is inevitable higher, and the quantity of LED due to needing and concentration structure quantity are a lot,
The volume of whole module is larger.
Content of the invention
For overcoming the problems referred to above, it is an object of the invention to：A kind of condenser for dipped beam car light module is provided, described
A kind of technical scheme of the condenser for dipped beam car light module is as follows：
A kind of condenser for dipped beam car light module, forms structure 2,50L dark space including concentration structure (1), dead line
Form structure 3, III area and form structure 4, SEG10 luminance-reduction structure 5 and condenser mounting structure 6, it is characterised in that
Described concentration structure (1) is located at rear end, i.e. the LED light source of condenser,
The dead line forms structure 2, and the end profile curve at its nearly lens end is in circular arc, before condenser
End,
The SEG10 luminance-reduction structure 5 is section hillside shape projection, located at the bottom of condenser so that be radiated at institute
The regulation test zone that the light in SEG10 luminance-reduction structure 5 corresponds to dipped beam light shape SEG10 is stated, suppresses the bright of SEG10 region
Spend height,
The III area forms structure 4 located at the bottom of condenser and is located at the front end of the SEG10 luminance-reduction structure 5,
The III area forms structure 4 and is used for being formed the broadening of dipped beam light shape, and causes the HV test point brightness drop of III area light shape part
It is low,
The 50L dark space forms structure 3 located at the bottom of condenser, and the structure makes in dipped beam light shape that 50L regional luminance can
Control.
According to the present invention, at the back-end central of the concentration structure 1, LED light source is set, is converged by the concentration structure 1
The most of front end face for forming structure 2 through the dead line of light is projected, and is formed the dwell portion of dipped beam light shape, is radiated at described
The light that 50L dark space is formed in structure 3 through its reflection and is reflected, and this some light is weakened, reduces dipped beam light shape 50L test point
Brightness；The light formation dipped beam light Xing III area part that the III area is formed in structure 4 is radiated at, is radiated at the SEG10
Light line reflection and refraction in luminance-reduction structure 5, this some light is weakened, and reduces dipped beam light shape SEG10 test zone bright
Degree.
It is preferred according the present invention, that the dead line forms structure 2, the end profile curve at its nearly lens end is in vertical
The circular arc of the straight concave or convex for moving towards in light trend and/or along light, to form 15 ° or 45 ° of cut-off wire shaped.
It is preferred according the present invention, that the 50L dark space forms structure 3 located at the bottom of condenser, and it is located at described
III area forms structure 4 and the dead line is formed between structure 2, and the 50L dark space forms structure vertical in the light direction of propagation,
I.e. dipped beam irradiates axially projection triangular in shape.
The SEG10 luminance-reduction structure is the emphasis of the present invention, when doing dipped beam car light module using this condenser, its
Source efficiency is typically more than 50%, and efficiency can even be close to 60%, and general without fan is arranged, because LED dispersion
Arrangement, radiating effect is preferable, in order to make full use of this high efficiency and the excellent heat radiation performance of condenser cooperated with LED light source, closely
The luminous flux output of light is in general more than 1000lm, if specially not making the regulation test section of structure reduction this part of SEG10
The brightness in domain, its brightness ratio is higher, and regulation judges can be unqualified.In order that the brightness in SEG10 region exists in dipped beam light shape
Below 12300cd, the method for adopting before is to carry out shaded portions light using one piece of transparent dark slide, direct without the present invention
The structure for reducing SEG10 regional luminance is made on condenser simply, and effect is good, is mainly reflected in light shape evenly.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that
III area broadening formation structure 4-1, overall width 10-15mm, height 0.3-0.7mm, the light of process is formed
III area broadening,
In order to be diffused to light, the brightness in III area is made to meet laws and regulations requirement, III area broadening forms structure 4-1
Circular arc of the front end face in minor radius, radius R5-R10mm.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that the HV luminance-reduction
Structure 4-2 is triangle or polygon projection, to reduce HV brightness.
Preferably, it is in indent arc that III area broadening forms structure 4-1 towards the front end of condenser.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that
HV luminance-reduction architecture 4-2, forms the middle front part of structure 4-1 positioned at III area broadening；
HV luminance-reduction architecture 4-2 is located at the middle part that III area broadening forms structure 4-1, and meaning is described
HV luminance-reduction architecture 4-2 is located at the indent curved bottom that III area broadening forms structure 4-1,
HV luminance-reduction architecture 4-2 is located at the front portion that III area broadening forms structure 4-1, and meaning is described
HV luminance-reduction architecture 4-2 forms structure 4-1 than broadening and is closer than condenser forward position.
In addition, according to the present invention, HV luminance-reduction architecture 4-2 and III area broadening form structure 4-1
The angle of bottom surface (i.e. the III area broadening forms structure 4-1 and the bearing surface of the SEG10 luminance-reduction structure 5) is in blunt
Angle,
According to the present invention, the front end of HV luminance-reduction architecture 4-2 and III area broadening formation structure 4-1
Face (being the tangent line of the interior concaved circular cambered surface of junction both which) angle is at an acute angle.
The light for being sent by LED light source, the part of effectively utilizes, a part is irradiated to front central inlet structure 1-1, another
Part is exactly to be irradiated in central inlet structure 1-2 of side, and front central inlet structure plays refraction action to the light being irradiated to thereon,
Light after being refracted is entered inside condenser.
Front central inlet structure 1-1 is located at the center inside front end of the concentration structure 1, material and condenser material
Identical, it is plastics or the resin of transparent class, the structure is injected in condenser after being reflected the light for projecting from LED light source
Portion.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that
The III area forms structure 4 includes that III area broadening forms structure 4-1 and HV luminance-reduction structure 4-2；
III area broadening formation structure 4-1 front end is curved, and rear end is the front end phase with SEG10 luminance-reduction structure 5
The chip shape of connection, the two centre position arranges HV luminance-reduction structure 4-2；
HV luminance-reduction structure 4-2 is triangle or polygon projection, to reduce HV brightness.
The III area forms the light being irradiated in structure 4, and wherein most forms structure through III area broadening
The front end face of 4-1 is projected, and forms the broadening of dipped beam light shape, and another fraction is radiated in HV luminance-reduction structure 4-2, warp
Its reflection and refraction so that the HV test point luminance-reduction of III area light shape part.
According to the present invention so that the HV test point luminance-reduction of III area light shape part, which can be made to meet the premise of regulation
There is down larger surplus.
So-called HV, is illustrated in fig. 11 shown below, and is a test point on photometric screen, and which is H-H line (transverse axis) and V-V line
The intersection point of (longitudinal axis), i.e. (0,0) position.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that
III area broadening formation structure 4-1, overall width 10-15mm, height 0.3-0.7mm, the light of process is formed
III area broadening,
III area broadening forms circular arc of the structure 4-1 front end face in minor radius, radius R5-R10mm.
III area broadening forms circular arc of the structure 4-1 front end face in minor radius to be diffused to light, makes
The brightness in III area meets laws and regulations requirement.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that the HV luminance-reduction
Architecture 4-2, forms the middle front part of structure 4-1, and itself and III area broadening forms structure positioned at III area broadening
The angle of the bottom surface of 4-1 in obtuse angle, and III area broadening formed structure 4-1 front end face angle at an acute angle.
As a result, the light for being irradiated to HV luminance-reduction architecture 4-2 is refracted and changes original light
Path, no longer irradiates and forms the HV point in dipped beam III area and its neighbouring light, reduce the brightness of HV point.
Shown in the following Fig. 7 and Fig. 8 in the middle front part position, it is the bottom view of condenser, HV luminance-reduction structure 4-2 position
The centre position of structure 4-1 front end arc surface, bottom surface and front end face are formed in III area broadening as shown in figure 9, angled relationships such as
Shown in Figure 10.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that
The SEG10 luminance-reduction structure 5 move towards section triangle in obtuse angle along condenser light, and with condenser bottom
Two angles that face connects are acute angle,
The light being irradiated on 5 region of SEG10 luminance-reduction structure corresponds to the SEG10 region of dipped beam light shape,
The light being irradiated in the SEG10 luminance-reduction structure 5, after part total reflection, forms through the dead line
The front end face of structure 2 is projected, and another part directly or is projected condenser after repeatedly reflecting.
According to the present invention, the light being irradiated in the SEG10 luminance-reduction structure 5, after part total reflection, through described
Dead line forms the front end face of structure 2 and projects, and another part is projected directly or after repeatedly reflecting condenser, not from described section
Only line forms the front end face injection of structure 2,
According to the light that the present invention, the front end face for structure 2 being formed from the dead line are projected, form dipped beam light shape
SEG10 region, its brightness is in below 12300cd.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that the SEG10 brightness drop
The surface of low structure 5 forms dermatoglyph, the light being mapped to thereon is scattered and luminous energy consumption, reduces in dipped beam light shape
The energy in SEG10 region.
Preferably, according to the present invention, the surface of the SEG10 luminance-reduction structure 5 forms dermatoglyph, reduces dipped beam light shape
In SEG10 region energy so that its brightness is in below 12300cd.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that the condenser is installed
Structure 6 is located at the both sides of condenser；The concentrator construction arranges more than 2.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that on the downside of the condenser
Face is concave curved surface or plane, and condenser downside is formed with two part of left and right along optically focused trend with drop, described poly-
The demarcation line of two part of left and right with drop of light device (1) downside is located at condenser (1) downside along optically focused trend
Portion, the drop a size of 0.4-0.6mm scope.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that the condenser
(1) the III area of downside forms the marginal plate in left and right two part condenser (1) downside of the structure 4 for leap with drop
Shape protrusion, protrusion downside is indent arc.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that the SEG10 is bright
Degree reduction structure 5 crosses over two part condenser (1) the downside demarcation line of left and right with drop, and drops in the SEG10 brightness
5 surface of low structure also differs two part of left and right with drop.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that the condenser is installed
Structure 6 includes that two screw holes for condenser is carried out installing fixation and the rectangle that condenser is carried out pre-determined bit are led
Groove, screw hole and guide groove are respectively placed in condenser both sides, and screw in the hole is provided with carries out pinpoint positioning bar to condenser.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that the material of the condenser
Expect plastics or the resin for transparent class.For example, PC, model LC1500PC, model LC1500.
According to a kind of condenser for dipped beam car light module of the present invention, it is characterised in that
The concentration structure 1 includes front central inlet structure 1-1, side central inlet structure 1-2 and catoptric arrangement 1-3；
Front central inlet structure 1-1 is located at the center inside front end of the concentration structure 1,
The catoptric arrangement 1-3 is located at the tail end of condenser, located at the outside of the concentration structure 1, is circular arc taper,
Side central inlet structure 1-2 is located at the inner side of the concentration structure 1, and connects the front central inlet structure
The 1-1 and catoptric arrangement 1-3；
The light for being sent by dipped beam LED light source is through front central inlet structure 1-1, side central inlet structure 1-2
Refraction and the catoptric arrangement 1-3 total reflection after, propagate forward.
As shown in figure 1, front central inlet structure 1-1 and side central inlet structure 1-2 collectively constitute the indent of concentration structure 1
Face, wherein front central inlet structure 1-1 are the front end faces of inner concave, and side central inlet structure 1-2 is the side wall of inner concave.
In addition, the two shape difference, front central inlet structure 1-1 is circular cambered surface for border, side central inlet structure
1-2 is tapered cylinder cambered surface that two ends border is all circular arc；The two essential does not have difference, is all that LED light source is sent
Light reflected, inject inside condenser.But, the light after premenstrual central inlet structure 1-1 refraction is not irradiated to
Catoptric arrangement 1-3, and the light after the central inlet structure 1-2 refraction of side, are irradiated to catoptric arrangement 1-3, then reflected structure
1-3 is totally reflected.
According to a kind of condenser for dipped beam car light module of the present invention, the section of the catoptric arrangement 1-3 is outer
Convex, the tail end of the catoptric arrangement 1-3 is provided with the bowl-shape light entrance groove of dorsad LED light source direction of illumination.
The arc section of side central inlet structure 1-2 includes irregular circular arc line.
Front central inlet structure 1-1 is located at the center inside front end of the concentration structure 1, set location, and optically focused
Equipment material is identical, is plastics or the resin of transparent class, for example, PC, model LC1500PC, model LC1500.The structure will be from
The light that LED light source is projected is injected inside condenser after being reflected.
According to a kind of condenser for dipped beam car light module of the present invention, HV luminance-reduction architecture 4-2,
The middle front part of structure 4-1 is formed positioned at III area broadening, and itself and III area broadening form the bottom surface of structure 4-1
Angle in obtuse angle, and III area broadening formed structure 4-1 front end face angle at an acute angle so that be irradiated to the HV brightness
Reduce architecture 4-2 light be refracted and change original opticpath, no longer irradiate formed dipped beam III area HV point and
Light near which, reduces the brightness of HV point.
HV luminance-reduction structure 4-2 is another emphasis of the present invention, if the not structure, though the brightness of HV point
So can also rules and regulations below maximum 625cd, but surplus can be smaller, and the raising with luminous flux of light source, its
Stability is bad, it is possible to which HV point brightness can be raised, and it is unqualified that regulation is judged, has HV luminance-reduction structure, permissible
Ensure the brightness of HV point in below 625cd.
According to a kind of condenser for dipped beam car light module of the present invention, it is vertical that the 50L dark space forms structure 3
Triangular hill structure in the light direction of propagation, it is preferred that for 10-20 ° of the isosceles triangle in base.It is further preferred that
The structure triangle is the isosceles triangle on 15 ° of base.
The 50L dark space forms structure dipped beam can be made to produce on the premise of with sufficient light, not dazzling, Yi Mianying
Ring the normal driving behavior of opposite car driver.
The beneficial effects of the present invention is：
Other all optical elements in addition to lens and condenser part are become one, are spatially compared,
Occupancy volume is less, and space efficiency utilization is greatly improved；
Optical element integration so that the positional precision between each optical function part is guaranteed, without assembling
The site error that brings；
Number of parts is less, low cost；
For reducing the brightness in the SEG10 region in dipped beam light shape, without the need for special luminance-reduction dark slide, will
SEG10 luminance-reduction structure is accomplished on dipped beam condenser, saves part, simple structure；
Increase HV luminance-reduction structure so that in dipped beam light shape, the brightness of HV point is lower, more stable, with more regulations
Value judges surplus.
Description of the drawings
Fig. 1 is three-dimensional structure diagram one of the present invention for the condenser of dipped beam car light module.
Fig. 2 is three-dimensional structure diagram two of the present invention for the condenser of dipped beam car light module.
Fig. 3 is three-dimensional structure diagram of the present invention for the III area formation structure of the condenser of dipped beam car light module.
Fig. 4 is the dipped beam light shape schematic diagram that formed of condenser containing the present invention for dipped beam car light module.
Fig. 5 is the present invention for the III area light shape schematic diagram that formed of condenser of dipped beam car light module.
Fig. 6 is that the present invention moves towards to illustrate for SEG10 luminance-reduction structure glazed thread in the condenser of dipped beam car light module
Figure.
Fig. 7 is that the present invention arranges signal for HV luminance-reduction structure 4-2 of the III area formation structure of dipped beam car light module
Figure.
Fig. 8 is that the present invention arranges amplification for HV luminance-reduction structure 4-2 of the III area formation structure of dipped beam car light module
Schematic diagram.
Fig. 9 is that the present invention forms structure 4-1 and HV for the III area broadening of the III area formation structure of dipped beam car light module
Luminance-reduction structure 4-2 arranges schematic diagram.
Figure 10 is the enlarged diagram of Fig. 9.
Figure 11 is HV luminance test point schematic diagram.
Figure 12 A, B are respectively the concentration structure schematic diagram of condenser of the present invention.
In figure, 1. concentration structure, 2. dead line form structure, 3. 50L dark space forms structure, and 4.III area forms structure,
5.SEG10 luminance-reduction structure, 6. condenser mounting structure, 1-1. side central inlet structure, central inlet structure before 1-2., 1-
3. catoptric arrangement, 4-1.III area broadening forms structure, 4-2.HV luminance-reduction structure.
Specific embodiment
The present invention is further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As illustrated in fig. 1 and 2, a kind of condenser for dipped beam car light module is embodiments provided, for automobile
Lower beam illumination, be placed in car headlamp.The condenser includes that concentration structure 1, dead line forms structure 2,50L dark space and formed
Structure 3, III area form structure 4, SEG10 luminance-reduction structure 5 and condenser mounting structure 6.The condenser overall dimension is length
About 65mm, wide about 50mm, high about 10mm.The material of condenser is the plastics of transparent class or resin, and this specific embodiment is adopted
Material is PC, refractive index 1.586-1.587.
Concentration structure 1 is located at the rear end of condenser, and dead line forms structure 2 located at the front end of condenser, and SEG10 brightness is dropped
Low structure 5 is located at the bottom of condenser, and III area forms structure 4 located at the bottom of condenser and is located at SEG10 luminance-reduction structure
5 front end, 50L dark space forms structure 3 located at the bottom of condenser, and is located at III area formation structure 4 and dead line formation structure
Between 2, condenser mounting structure 6 is 4 located at the both sides of condenser, 1 number of concentrator construction.
LED light source is set at the back-end central of concentration structure 1, and the light major part for being converged by concentration structure 1 is through dead line
The front end face for forming structure 2 is projected, and forms the dwell portion of dipped beam light shape, is radiated at 50L dark space and is formed the light warp in structure 3
Its reflection and refraction, this some light is weakened, and reduces dipped beam light shape 50L test point brightness；It is radiated at III area and forms structure 4
On light form dipped beam light Xing III area part, the light line reflection being radiated in SEG10 luminance-reduction structure 5 and refraction, will
This some light weakens, and reduces dipped beam light shape SEG10 test zone brightness.
The luminous flux of light source of 4 LEDs has two kinds：750lm and 250lm, wherein a middle maximum light condenser position cloth
Put the LED of 750lm, the LED of two, the left side and the one arrangement 250lm in the right, the dipped beam light shape schematic diagram of formation as shown in figure 4,
Dipped beam output 1000lm or so, brightness 55lx or so.
Concentration structure 1 includes front central inlet structure 1-1, side central inlet structure 1-2 and catoptric arrangement 1-3, front center
Entrance structure 1-1 is located at the center inside front end of concentration structure 1, and catoptric arrangement 1-3 is located at the outside of concentration structure 1, side center
Entrance structure 1-2 is located at the inner side of concentration structure 1, and connects front central inlet structure 1-1 and catoptric arrangement 1-3, concentration structure 1
Back-end central at arrange LED light source, premenstrual central inlet structure 1-1 of the light for being sent by dipped beam LED light source, side central inlet
After the refraction of structure 1-2 and the total reflection of catoptric arrangement 1-3, propagate forward.
As shown in figure 3, structure 4 includes that III area broadening forms structure 4-1 and HV luminance-reduction structure 4-2, III area is formed
The light being irradiated in structure 4, the front end face that wherein most forms structure 4-1 through III area broadening is projected, and forms dipped beam light
The broadening of shape, another fraction is radiated in HV luminance-reduction structure 4-2, through its reflection and refraction so that III area light shape part
HV test point luminance-reduction so as to meet on the premise of regulation with larger surplus.
III area broadening formation structure 4-1, overall width 12mm, height 0.5mm, the light of process forms III area broadening,
In order to be diffused to light, the brightness in III area is made to meet laws and regulations requirement, circular arc of its front end face in radius R7mm.Formed
III area broadening scope be：Laterally -10 °～+10 °, longitudinal direction arrives+7 °.
HV luminance-reduction architecture 4-2, forms the middle front part of structure 4-1, and Qi He III area's exhibition positioned at III area broadening
Width forms the angle of the bottom surface of structure 4-1 in obtuse angle, and the front end face angle of III area broadening formation structure 4-1 is at an acute angle, makes
The light that HV luminance-reduction architecture 4-2 must be irradiated to is refracted and changes original opticpath, no longer irradiates and is formed closely
The HV point in light III area and its neighbouring light, reduce the brightness of HV point, and simulation measures the brightness of HV point in 0.2lx or so.
The III area light shape schematic diagram of formation is as shown in Figure 5.
As shown in fig. 6, the section of SEG10 luminance-reduction structure 5 triangle in obtuse angle, and two for connecting with condenser bottom surface
Individual angle is acute angle, the long 35mm of overall dimension, wide 20mm, high 6.5mm.The light being irradiated on 5 region of SEG10 luminance-reduction structure
The SEG10 region of corresponding dipped beam light shape, the light being irradiated in SEG10 luminance-reduction structure 5, after part total reflection, through cutting
Only line forms the front end face of structure 2 and projects, and another part is projected directly or after repeatedly reflecting condenser, not linear from ending
The front end face of structure 2 is become to project, the light that the front end face for forming structure 2 from dead line is projected, form the SEG10 area of dipped beam light shape
Domain, its brightness is in below 12300cd.
SEG10 test zone brightness in the present embodiment in dipped beam light shape is 9800cd or so, meets ECE R123
The laws and regulations requirement of Class C, V, E.
Condenser mounting structure 6 includes two for carrying out installing fixing screw hole by condenser and entering condenser
The rectangle guide groove of row pre-determined bit, screw hole and guide groove are respectively placed in condenser both sides, and screw in the hole is provided with to be carried out to condenser
Pinpoint positioning bar, in module, condenser positioning, installation are on a heat sink.
According to the present invention, other all optical elements in addition to lens and condenser part are become one, empty
Between utilization ratio be greatly improved；Positional precision between each optical function part is guaranteed, and no site error；Low cost.
Claims (10)
1. a kind of condenser for dipped beam car light module, forms structure (2), 50L dark space including concentration structure (1), dead line
Form structure (3), III area and structure (4), SEG10 luminance-reduction structure (5) and condenser mounting structure (6) is formed, its feature exists
In,
Described concentration structure (1) is located at rear end, i.e. the LED light source of condenser,
The dead line forms structure (2), and the end profile curve at its nearly lens end is in circular arc, located at the front end of condenser,
Described SEG10 luminance-reduction structure (5) are section hillside shape projection, located at the bottom of condenser so that be radiated at described
Light on SEG10 luminance-reduction structure (5) corresponds to the regulation test zone of dipped beam light shape SEG10, suppresses the bright of SEG10 region
Spend height,
The III area forms structure (4) located at the bottom of condenser and is located at the front end of SEG10 luminance-reduction structure (5),
The III area forms structure (4) and is used for being formed the broadening of dipped beam light shape, and causes the HV test point brightness of III area light shape part
Reduce,
The 50L dark space forms structure (3) located at the bottom of condenser, and the structure makes 50L regional luminance in dipped beam light shape controlled.
2. a kind of condenser for dipped beam car light module as claimed in claim 1, it is characterised in that
The III area forms structure (4) includes that III area broadening forms structure (4-1) and HV luminance-reduction structure (4-2)；
It is curved towards the front end of condenser that III area broadening forms structure (4-1), rear end and SEG10 luminance-reduction structure
(5) front end is connected, and is generally attached at the chip shape of condenser bottom, in III area broadening formed structure (4-1) and
SEG10 luminance-reduction structure (5) centre position arranges HV luminance-reduction structure (4-2)；
Described HV luminance-reduction structure (4-2) is triangle or polygon projection, to reduce HV brightness.
3. a kind of condenser for dipped beam car light module as claimed in claim 1 or 2, it is characterised in that
III area broadening formation structure (4-1), overall width 10-15mm, height 0.3-0.7mm, the light of process is formed
III area broadening,
In order to be diffused to light, the brightness in III area is made to meet laws and regulations requirement, before III area broadening forms structure (4-1)
Circular arc of the end face in minor radius, radius R5-R10mm.
4. a kind of condenser for dipped beam car light module as described in claim 1 or 3, it is characterised in that
HV luminance-reduction architecture (4-2), forms the middle front part of structure (4-1) positioned at III area broadening；
Described HV luminance-reduction architecture (4-2) is located at the middle part that III area broadening forms structure (4-1), and meaning is described
HV luminance-reduction architecture (4-2) is located at the indent curved bottom that III area broadening forms structure (4-1),
Described HV luminance-reduction architecture (4-2) is located at the front portion that III area broadening forms structure (4-1), and meaning is described
HV luminance-reduction architecture (4-2) forms structure (4-1) than broadening and is closer than condenser forward position.
5. a kind of condenser for dipped beam car light module as claimed in claim 1, it is characterised in that
SEG10 luminance-reduction structure (5) move towards section triangle in obtuse angle along condenser light, and with condenser bottom surface
Two angles for connecting are acute angle,
The light being irradiated on SEG10 luminance-reduction structure (5) region corresponds to the SEG10 region of dipped beam light shape,
The light being irradiated on SEG10 luminance-reduction structure (5), after part total reflection, forms knot through the dead line
The front end face of structure 2 is projected, and another part directly or is projected condenser after repeatedly reflecting.
6. a kind of condenser for dipped beam car light module as claimed in claim 1, it is characterised in that the SEG10 brightness drop
The surface of low structure (5) forms dermatoglyph, the light being mapped to thereon is scattered and luminous energy consumption, reduces in dipped beam light shape
The energy in SEG10 region.
7. a kind of condenser for dipped beam car light module as claimed in claim 1, it is characterised in that knot installed by the condenser
Structure (6) is located at the both sides of condenser；The concentration structure arranges more than 2.
8. a kind of condenser for dipped beam car light module as claimed in claim 1, it is characterised in that the condenser downside
For concave curved surface or plane, condenser downside is formed with two part of left and right along optically focused trend with drop, the optically focused
The middle part that the demarcation line of two part of left and right with drop of device (1) downside is moved towards along optically focused positioned at condenser (1) downside,
The drop a size of 0.4-0.6mm scope.
9. a kind of condenser for dipped beam car light module as claimed in claim 8, it is characterised in that under condenser (1)
It is that the marginal tabular in left and right two part condenser (1) downside of the leap with drop is convex that the III area of side forms structure (4)
Thing is played, protrusion downside is indent arc.
10. a kind of condenser for dipped beam car light module as claimed in claim 8, it is characterised in that the SEG10 brightness drop
Low structure (5) cross over two part condenser (1) the downside demarcation line of left and right with drop, and in the SEG10 luminance-reduction
5 surface of structure also differs two part of left and right with drop.
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866450.8A CN106439682B (en) | 2016-09-30 | 2016-09-30 | A kind of condenser for dipped beam car light mould group |
| RS20200622A RS60348B1 (en) | 2016-09-30 | 2017-02-21 | Condenser for low-beam vehicle light module |
| KR1020187021323A KR102087412B1 (en) | 2016-09-30 | 2017-02-21 | Condenser for short-range beam automotive lamp modules |
| PCT/CN2017/074195 WO2018058885A1 (en) | 2016-09-30 | 2017-02-21 | Condenser for low-beam vehicle light module |
| JP2018537534A JP6637187B2 (en) | 2016-09-30 | 2017-02-21 | Condenser used in low beam headlight modules |
| EP20154448.3A EP3663637A1 (en) | 2016-09-30 | 2017-02-21 | Condenser for low-beam vehicle light module |
| US16/068,647 US10563832B2 (en) | 2016-09-30 | 2017-02-21 | Condenser for low-beam vehicle light module |
| EP20154449.1A EP3667161A1 (en) | 2016-09-30 | 2017-02-21 | Condenser for low-beam vehicle light module |
| EP17854346.8A EP3382263B1 (en) | 2016-09-30 | 2017-02-21 | Condenser for low-beam vehicle light module |
| JP2019228244A JP6827097B2 (en) | 2016-09-30 | 2019-12-18 | Condenser used in low beam headlight modules |
| JP2019228243A JP6738476B2 (en) | 2016-09-30 | 2019-12-18 | Concentrator for low beam headlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866450.8A CN106439682B (en) | 2016-09-30 | 2016-09-30 | A kind of condenser for dipped beam car light mould group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106439682A true CN106439682A (en) | 2017-02-22 |
| CN106439682B CN106439682B (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610866450.8A Active CN106439682B (en) | 2016-09-30 | 2016-09-30 | A kind of condenser for dipped beam car light mould group |
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| CN110207065A (en) * | 2019-06-27 | 2019-09-06 | 浙江亮心汽车部件有限公司 | A kind of small-sized light-guiding type dipped beam projective module group and the lamp group using the mould group |
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Address after: 430200 Hubei Economic Development Zone, Jiangxia, Hong Kong New District Chevrolet Avenue, No. 68 Patentee after: Huayu vision technology (Wuhan) Co., Ltd Address before: 430200 Hubei Economic Development Zone, Jiangxia, Hong Kong New District Chevrolet Avenue, No. 68 Patentee before: WUHAN TONGCHANG AUTOMOTIVE ELECTRONIC LIGHTING Co.,Ltd. |