CN108662542A - Motor vehicle dipped headlight and motor vehicle - Google Patents
Motor vehicle dipped headlight and motor vehicle Download PDFInfo
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- CN108662542A CN108662542A CN201810566264.1A CN201810566264A CN108662542A CN 108662542 A CN108662542 A CN 108662542A CN 201810566264 A CN201810566264 A CN 201810566264A CN 108662542 A CN108662542 A CN 108662542A
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- convex lens
- motor vehicle
- transparent reflector
- light type
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- 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
-
- 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
- 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
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of motor vehicle dipped headlight and motor vehicles, are related to lighting technical field, which includes successively along the direction of propagation of light：Light source, collective optics, transparent reflector and convex lens；The lower surface of transparent reflector is fully reflecting surface, and the shape of the lower surface is consistent with the shape of the "cut-off"line of dipped beam light type；The light beam that light source is sent out injects transparent reflector after collective optics optically focused；The light of non-directive transparent reflector lower surface is refracted to convex lens through transparent reflector, and the light of directive lower surface is totally reflected to convex lens through lower surface, to form continuous light type corresponding with dipped beam light type on the focal plane of convex lens；The continuous light type planoconvex lens are imaged to form dipped beam light type.The motor vehicle dipped headlight by the total reflection of transparent reflector lower surface by the light back of original directive convex lens lower half portion to convex lens top, strengthen the brightness of the dipped beam at the "cut-off"line, improve the utilization rate of energy.
Description
Technical field
The present invention relates to lighting technical fields, more particularly, to a kind of motor vehicle dipped headlight and motor vehicle.
Background technology
Headlight includes dipped headlight and high beam, is loaded on motor vehicle vehicle head on both sides, is used for the illumination of driving at night road.
Since the illuminating effect of headlight directly affects the operation and traffic safety of driving at night, vehicle supervision department of various countries
Its lighting criteria is defined with law line.
For dipped headlight, by taking light type is driven on a left side as shown in Figure 1 as an example, it is desirable that its light type has a clear apparent light and shade
The horizontal component of dead line, "cut-off"line should be located at lower 0.57 ° of h-h lines, and the side to the left of "cut-off"line has concave shape,
There are one 15 degree or 45 degree of right shoulders on the right side of the concave shape.It is dark space above "cut-off"line, avoids dazzling the eyes to carrying out vehicle；
It is clear zone below "cut-off"line, road pavement and both sides provide enough illuminations.In addition also dipped beam is required to have in the lateral direction
15 degree to 60 degree of diverging has upper 5 degree to arrive lower 15 degree of diverging in above-below direction.
Existing automobile lamp lower beam illumination system is broadly divided into 2 kinds of shot-light system and reflection surface system, wherein shot-light
System is to form light and shade by 3 ellipsoid reflecting surface, convex lens and barn door critical pieces and reach dipped beam by line.Specifically
Ground, the part light directive barn door through ellipsoid reflective surface, it is convex that the mode that used in sunshade board blocks makes the part light that can not reach
Lens lower part, to form the dipped beam that there is light and shade by line.However this mode causes the waste of energy, therefore energy profit
It is low with rate.
Invention content
In view of this, the purpose of the present invention is to provide a kind of motor vehicle dipped headlight and motor vehicle, to improve the profit of energy
With rate.
In a first aspect, an embodiment of the present invention provides a kind of motor vehicle dipped headlight, include successively along the direction of propagation of light：
Light source, collective optics, transparent reflector and convex lens；The transparent reflector and the convex lens are arranged in the collective optics
The same side；
The lower surface of the transparent reflector is fully reflecting surface, and the shape of the lower surface is ended with the light and shade of dipped beam light type
The shape of line is consistent；The focus of the convex lens is located at the first side nearest away from the convex lens of the transparent reflector
On bottom edge；
The light beam that the light source is sent out injects the transparent reflector after the collective optics optically focused；Under described in non-directive
The light on surface is refracted to the convex lens through the transparent reflector, and the light of lower surface described in directive is complete through the lower surface
It is reflected into the convex lens, to form continuous light type corresponding with the dipped beam light type on the focal plane of the convex lens；Institute
It states continuous light type and forms the dipped beam light type through the convex lens.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein institute
It states the close first side of lower surface and deviates center position and be provided with sunk structure, the sunk structure is used to form described
The concave shape of "cut-off"line.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides second of first aspect
Possible embodiment, wherein look up from the side opposite with the direction of propagation of light, when the dipped beam light type is that light type is driven on a left side
When, the left side in the lower surface is arranged in the sunk structure；When the dipped beam light type is that light type is driven on the right side, the sunk structure
Right side in the lower surface is set.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides the third of first aspect
Possible embodiment, wherein the depth of the sunk structure is 0.2-1mm.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides the 4th kind of first aspect
Possible embodiment, wherein it is additionally provided on the lower surface and subtracts dark structure, it is described to subtract dark structure in the dipped beam light
Blackening is formed in the correspondence light distribution test point of type.
The 4th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 5th kind of first aspect
Possible embodiment, wherein it is described to subtract dark structure setting on the sunk structure, it is described subtract dark structure it is corresponding match flash ranging
Pilot is 50L or 50R.
With reference to first aspect, an embodiment of the present invention provides the 6th kind of possible embodiments of first aspect, wherein institute
It includes curved reflector or concentrator to state collective optics.
The 6th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 7th kind of first aspect
Possible embodiment, wherein the material of the concentrator include glass, polycarbonate, polymetylmethacrylate,
It is one or more in polystyrene PS, silica gel and polyetherimide PEI.
With reference to first aspect, an embodiment of the present invention provides the 8th kind of possible embodiments of first aspect, wherein institute
It includes one or more in halogen lamp, discharge lamp, light emitting diode and laser light source to state light source.
Second aspect, the embodiment of the present invention also provide a kind of motor vehicle, including vehicle ontology and such as above-mentioned first aspect or
Motor vehicle dipped headlight described in its any possible embodiment；The head in the vehicle ontology is arranged in the motor vehicle dipped headlight
Portion.
The embodiment of the present invention brings following advantageous effect：
In the embodiment of the present invention, motor vehicle dipped headlight includes successively along the direction of propagation of light：Light source, collective optics, thoroughly
Bright reflector and convex lens；Transparent reflector and convex lens are arranged in the same side of collective optics；The lower surface of transparent reflector
Shape for fully reflecting surface, the lower surface is consistent with the shape of the "cut-off"line of dipped beam light type；The focus of convex lens is located at saturating
On the bottom edge of the first side nearest away from convex lens of bright reflector；The light beam that light source is sent out is injected thoroughly after collective optics optically focused
Bright reflector；The light of non-directive transparent reflector lower surface is refracted to convex lens, the light of directive lower surface through transparent reflector
Line is totally reflected to convex lens through lower surface, to form continuous light type corresponding with dipped beam light type on the focal plane of convex lens；It should
Continuous light type planoconvex lens are imaged to form dipped beam light type.The mode that tradition is blocked relatively, the motor vehicle dipped headlight be not simple
Light is blocked, but being totally reflected the light of original directive convex lens lower half portion by transparent reflector lower surface
Line is reflected into convex lens top again, strengthens the brightness close to dipped beam at "cut-off"line in this way, optimizes road surface safety,
The utilization rate of energy is improved simultaneously.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification and attached drawing
Specifically noted structure is realized and is obtained.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the lighting criteria schematic diagram that light type is driven on an a kind of dipped headlight left side；
Fig. 2 is a kind of dipped beam light type imaging schematic diagram of motor vehicle dipped headlight provided in an embodiment of the present invention；
Fig. 3 is a kind of basic structure schematic diagram of motor vehicle dipped headlight provided in an embodiment of the present invention；
Fig. 4 is the basic structure schematic diagram of another motor vehicle dipped headlight provided in an embodiment of the present invention；
Fig. 5 a are a kind of stereogram of transparent reflector provided in an embodiment of the present invention；
Fig. 5 b are a kind of front view of transparent reflector provided in an embodiment of the present invention；
Fig. 5 c are a kind of upward view of transparent reflector provided in an embodiment of the present invention；
Fig. 5 d are a kind of right view of transparent reflector provided in an embodiment of the present invention；
Fig. 6 a are the schematic diagram that the corresponding "cut-off"line of light type is driven on an a kind of left side provided in an embodiment of the present invention；
Fig. 6 b are the schematic diagram that the corresponding "cut-off"line of light type is driven on a kind of right side provided in an embodiment of the present invention；
Fig. 7 is a kind of front view of the headlight of the motor vehicle dipped headlight based on Fig. 3 provided in an embodiment of the present invention；
Fig. 8 is vertical view corresponding with the headlight of Fig. 7 provided in an embodiment of the present invention；
Fig. 9 is the explosive view of motor vehicle dipped headlight part in Fig. 7 provided in an embodiment of the present invention；
Figure 10 is the structure chart of Fig. 7 mean cambers speculum provided in an embodiment of the present invention.
Icon：
100- light sources；201- curved reflectors；202- concentrators；300- transparent reflectors；The lower surfaces 301-；302- first
Side；303- sunk structures；304- subtracts dark structure；400- convex lenses；500- radiators.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Make part light that can not reach convex lens lower part in such a way that used in sunshade board blocks at present, there is light and shade to be formed
By the dipped beam of line, the waste of energy is caused in this way, causes capacity usage ratio low.It is provided in an embodiment of the present invention based on this
This portion of energy is reentered convex lens by total reflection, improves the profit of energy by a kind of motor vehicle dipped headlight and motor vehicle
With rate.
For ease of understanding the present embodiment, first to a kind of motor vehicle dipped headlight disclosed in the embodiment of the present invention into
Row is discussed in detail.
Embodiment one：
An embodiment of the present invention provides a kind of motor vehicle dipped headlight, the motor vehicle dipped headlight the direction of propagation along light according to
It is secondary to include：Light source, collective optics, transparent reflector and convex lens；Transparent reflector and convex lens are arranged in the same of collective optics
Side.The lower surface of transparent reflector is fully reflecting surface, the shape of the shape of the lower surface and the "cut-off"line of dipped beam light type
Unanimously；The focus of convex lens is located on the bottom edge of the first side nearest away from convex lens of transparent reflector.
Specifically, light source can be single source, can also be the lamp group that multiple light sources are constituted.In some possible implementations
In example, light source includes in halogen lamp, discharge lamp, Light-emitting diode LED (Light Emitting Diode) and laser light source
It is one or more.Collective optics include curved reflector or concentrator.The main body of transparent reflector uses transparent material, such as glass
Glass, polymetylmethacrylate (polymethyl methacrylate), gathers polycarbonate (Polycarbonate)
Styrene PS (Polystyrene), silica gel or polyetherimide PEI (Polyetherimide) etc., the following table of transparent reflector
Face can apply total reflection layer.
The operation principle of above-mentioned motor vehicle dipped headlight is as follows：The light beam that light source is sent out is injected transparent after collective optics optically focused
Reflector；The light of non-directive transparent reflector lower surface is refracted to convex lens, the light of directive lower surface through transparent reflector
It is totally reflected to convex lens (originally the light of directive convex lens lower half portion is reflected into convex lens top again) through lower surface, with
Continuous light type corresponding with dipped beam light type is formed on the focal plane of convex lens；The continuous light type planoconvex lens are imaged to form this closely
Light light type.
Fig. 2 is a kind of dipped beam light type imaging schematic diagram of motor vehicle dipped headlight provided in an embodiment of the present invention, such as Fig. 2 institutes
Show, which is utilized convex lens into inverted image principle, i.e. picture in its burnt pingbian can be passed through refraction by convex lens
Form inverted image, the picture that transparent reflector is formed on the focal plane of convex lens (continuous light type corresponding with dipped beam light type) imaging
For the dipped beam light type with it at handstand relationship.The motor vehicle dipped headlight utilizes transparent reflector, will be penetrated originally by being totally reflected
To the light back of convex lens lower half portion to convex lens top, to have the function that barn door, and this portion of energy
By the brightness of shaded side in the dipped beam light type of reinforcement such as Fig. 2 when reentering convex lens by total reflection, the utilization of energy is improved
Rate improves the efficiency of light distribution, optimizes road surface safety.
In the embodiment of the present invention, motor vehicle dipped headlight includes successively along the direction of propagation of light：Light source, collective optics, thoroughly
Bright reflector and convex lens；Transparent reflector and convex lens are arranged in the same side of collective optics；The lower surface of transparent reflector
Shape for fully reflecting surface, the lower surface is consistent with the shape of the "cut-off"line of dipped beam light type；The focus of convex lens is located at saturating
On the bottom edge of the first side nearest away from convex lens of bright reflector；The light beam that light source is sent out is injected thoroughly after collective optics optically focused
Bright reflector；The light of non-directive transparent reflector lower surface is refracted to convex lens, the light of directive lower surface through transparent reflector
Line is totally reflected to convex lens through lower surface, to form continuous light type corresponding with dipped beam light type on the focal plane of convex lens；It should
Continuous light type planoconvex lens are imaged to form dipped beam light type.The mode that tradition is blocked relatively, the motor vehicle dipped headlight be not simple
Light is blocked, but being totally reflected the light of original directive convex lens lower half portion by transparent reflector lower surface
Line is reflected into convex lens top again, strengthens the brightness close to dipped beam at "cut-off"line in this way, optimizes road surface safety,
The utilization rate of energy is improved simultaneously.
The motor vehicle dipped headlight under two kinds of collective optics is present embodiments provided, is had separately below with reference to Fig. 3 and Fig. 4
Body explanation.
Fig. 3 is a kind of basic structure schematic diagram of motor vehicle dipped headlight provided in an embodiment of the present invention, the motor vehicle in Fig. 3
Dipped headlight is used as collective optics, light source 100 to be arranged in curved reflector 201 with transparent reflector 300 using curved reflector 201
The same side；First side 302 is the side nearest away from convex lens 400 of transparent reflector 300, and concave lens focus is located at first
On the bottom edge of side 302.
As shown in figure 3, the operation principle of the motor vehicle dipped headlight is as follows：The light sent out from light source 100 is through camber reflection
After mirror 201 reflects, only rolled over into transparent reflector 300 when light passes through transparent reflector 300 to arrive convex lens 400
It penetrates, such as light 2；It, can be by lower surface when light enters the lower surface 301 of transparent reflector 300 and directive transparent reflector 300
301 are totally reflected to 400 top of convex lens, such as light 1 so that some light can not directive convex lens 400 lower part, Suo Youguang
Line generates a continuous light type with dead line on the focal plane of convex lens 400, and then is realized closely by the imaging of convex lens 400
The "cut-off"line of light light type.
Fig. 4 is the basic structure schematic diagram of another motor vehicle dipped headlight provided in an embodiment of the present invention, this in Fig. 4 is motor-driven
Vehicle dipped headlight is used as collective optics, light source 100 to be separately positioned on concentrator 202 with transparent reflector 300 using concentrator 202
Opposite side；Other elements are identical as in Fig. 3.Concentrator 202 is made of transparent material, in some possible embodiments,
The material of concentrator 202 includes glass, polycarbonate, polymetylmethacrylate, polystyrene PS, silica gel and polyethers
It is one or more in acid imide PEI.
The operation principle of the motor vehicle dipped headlight of Fig. 4 is similar with Fig. 3's, as shown in figure 4, the light sent out from light source 100
After 202 optically focused of concentrator, into transparent reflector 300, when light passes through transparent reflector 300 to arrive convex lens 400, only
It reflects, such as light 4；It, can quilt when light enters the lower surface 301 of transparent reflector 300 and directive transparent reflector 300
Lower surface 301 is totally reflected to 400 top of convex lens, such as light 3 so that some light can not directive convex lens 400 lower part,
All light generate a continuous light type with dead line on the focal plane of convex lens 400, and then are imaged by convex lens 400
Realize the "cut-off"line of dipped beam light type.
The present embodiment additionally provides a kind of concrete structure diagram of transparent reflector, referring to Fig. 5 a to Fig. 5 d to transparent anti-
Tabula rasa is specifically described, wherein Fig. 5 a are a kind of stereogram of transparent reflector provided in an embodiment of the present invention, and Fig. 5 b are this
A kind of front view for transparent reflector that inventive embodiments provide, Fig. 5 c are a kind of transparent reflector provided in an embodiment of the present invention
Upward view, Fig. 5 d be a kind of right view of transparent reflector provided in an embodiment of the present invention.
As shown in Fig. 5 a and Fig. 5 c, the close first side 302 and deviation center position of lower surface 301 are provided with recess
Structure 303, sunk structure 303 are used to form the concave shape of "cut-off"line.Transparent reflector 300 in Fig. 3 and Fig. 4 is
It is put according to the right view of Fig. 5 d.The size and depth (depth relative to lower surface 301) of sunk structure 303 can combine should
The entire optical design of motor vehicle dipped headlight is arranged, such as the depth of sunk structure 303 can be 0.2-1mm.
Dipped beam light type includes that light type (corresponding a left side drive sails) is driven and light type (the correspondence right side, which drives, sails) two types are driven on the right side in a left side, recessed
It is corresponding with the type of dipped beam light type in the position of lower surface 301 to fall into structure 303.Specifically, from opposite with the direction of propagation of light
Side looks up (in terms of the front view direction of Fig. 5 b), and when dipped beam light type is that light type is driven on a left side, sunk structure 303 is arranged in lower surface
301 left side, as shown in Figure 5 c.When dipped beam light type is that light type is driven on the right side, the right side in lower surface 301 is arranged in sunk structure 303
(position that light type is driven with a left side is symmetrical).
In view of the dipped beam light type of motor vehicle dipped headlight may be more than the light of respective specified at certain light distribution test points
Illumination (such as a left side is driven and is sailed, the regulation 50L upper limits are 15lx (12V lightings situation), the illuminance at dipped beam light type 50L
Can exceed that 15lx), in the present embodiment, be additionally provided on lower surface 301 and subtract dark structure, subtract dark structure for by convex lens at
Inverted image principle forms blackening in the correspondence light distribution test point of dipped beam light type.
In some possible embodiments, as shown in Fig. 5 a and Fig. 5 c, subtracts dark structure 304 and is arranged on sunk structure 303,
It is 50L (a corresponding left side, which drives, sails) or 50R to subtract 304 corresponding light distribution test point of dark structure (the corresponding right side, which drives, sails).Specifically, subtract dark
Structure 304 can be recess, and shape depth will be arranged in conjunction with entire optical design.Subtract the depth and dipped beam of dark structure 304
The illuminance that light distribution test point is corresponded in light type is corresponding, and illuminance is bigger, and the depth for subtracting dark structure 304 is bigger.Subtract dark structure
304 depth is usually no more than 5mm.
Fig. 6 a are the schematic diagram that the corresponding "cut-off"line of light type is driven on an a kind of left side provided in an embodiment of the present invention, such as Fig. 6 a institutes
Show, a left side is driven and is sailed, sunk structure 303 is used to form sunk area to the left in "cut-off"line, subtracts dark structure 304 and is used for
Blackening is formed at 50L.Fig. 6 b are the schematic diagram that the corresponding "cut-off"line of light type is driven on a kind of right side provided in an embodiment of the present invention,
The right side is driven and is sailed, sunk structure 303 is used to form sunk area to the right in "cut-off"line, subtracts dark structure 304 and is used for
Blackening is formed at 50R.
The present embodiment additionally provides the structure of the headlight of the motor vehicle dipped headlight as shown in Figure 7 and Figure 8 based on Fig. 3
The explosive view and Fig. 7 mean camber speculums as shown in Figure 10 of motor vehicle dipped headlight part in figure, Fig. 7 as shown in Figure 9
Structure chart, wherein Fig. 7 is the front view of the headlight, and Fig. 8 is the vertical view of the headlight.As shown in Figure 10, curved reflector
201 be similar elliposoidal structure, and is arranged above light source 100.
Influence of the heat generated when light source 100 shines in order to prevent to the motor vehicle dipped headlight service life, such as Fig. 7 to Fig. 9
Shown, which is additionally provided with radiator 500, and light source 100 is arranged on radiator 500, to produce light source 100
Raw heat distributes.Here the concrete type of radiator 500, structure and shape are not limited, for example, by using aluminium alloy
Radiator.
Embodiment two：
The embodiment of the present invention also provides a kind of motor vehicle, which includes vehicle ontology and the machine such as above-described embodiment one
Motor-car dipped headlight, the motor vehicle dipped headlight are arranged on the head of vehicle ontology.Specifically, which includes 2 motor vehicle dipped beams
Lamp, 2 motor vehicle dipped headlights are separately positioned on the head on both sides of vehicle ontology.
In the embodiment of the present invention, the motor vehicle dipped headlight of the motor vehicle includes successively along the direction of propagation of light：Light source gathers
Optical element, transparent reflector and convex lens；Transparent reflector and convex lens are arranged in the same side of collective optics；Transparent reflector
Lower surface be fully reflecting surface, the shape of the lower surface is consistent with the shape of the "cut-off"line of dipped beam light type；The coke of convex lens
Point is on the bottom edge of the first side nearest away from convex lens of transparent reflector；The light beam that light source is sent out is through collective optics optically focused
After inject transparent reflector；The light of non-directive transparent reflector lower surface is refracted to convex lens through transparent reflector, under directive
The light on surface is totally reflected to convex lens through lower surface, corresponding with dipped beam light type continuous to be formed on the focal plane of convex lens
Light type；The continuous light type planoconvex lens are imaged to form dipped beam light type.The mode that tradition is blocked relatively, the motor vehicle dipped headlight do not have
Simply light is blocked, but by the total reflection of transparent reflector lower surface by original directive convex lens lower half
The light back divided strengthens the brightness close to dipped beam at "cut-off"line, optimizes road surface in this way to convex lens top
Safety, while improving the utilization rate of energy.
Motor vehicle provided in an embodiment of the present invention, the motor vehicle dipped headlight technology having the same provided with above-described embodiment
Feature reaches identical technique effect so can also solve identical technical problem.
It is apparent to those skilled in the art that for convenience and simplicity of description, foregoing description it is motor-driven
The specific work process of vehicle can refer to the corresponding process in aforementioned motor vehicle dipped headlight embodiment, and details are not described herein.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of motor vehicle dipped headlight, which is characterized in that include successively along the direction of propagation of light：It is light source, collective optics, transparent
Reflector and convex lens；The transparent reflector and the convex lens are arranged in the same side of the collective optics；
The lower surface of the transparent reflector is fully reflecting surface, the shape of the lower surface and the "cut-off"line of dipped beam light type
Shape is consistent；The focus of the convex lens is located at the bottom edge of the first side nearest away from the convex lens of the transparent reflector
On；
The light beam that the light source is sent out injects the transparent reflector after the collective optics optically focused；Lower surface described in non-directive
Light be refracted to the convex lens through the transparent reflector, the light of lower surface described in directive is totally reflected through the lower surface
To the convex lens, to form continuous light type corresponding with the dipped beam light type on the focal plane of the convex lens；The company
Continuous light type forms the dipped beam light type through the convex lens.
2. motor vehicle dipped headlight according to claim 1, which is characterized in that the close first side of the lower surface and partially
Center position is provided with sunk structure, the sunk structure is used to form the concave shape of the "cut-off"line.
3. motor vehicle dipped headlight according to claim 2, which is characterized in that from the direction opposite with the direction of propagation of light
It sees, when the dipped beam light type is that light type is driven on a left side, the left side in the lower surface is arranged in the sunk structure；When the dipped beam light
When type is that light type is driven on the right side, the right side in the lower surface is arranged in the sunk structure.
4. motor vehicle dipped headlight according to claim 2, which is characterized in that the depth of the sunk structure is 0.2-1mm.
5. motor vehicle dipped headlight according to claim 2, which is characterized in that be additionally provided on the lower surface and subtract dark knot
Structure, it is described to subtract dark structure for forming blackening in the correspondence light distribution test point of the dipped beam light type.
6. motor vehicle dipped headlight according to claim 5, which is characterized in that described to subtract dark structure setting and tied in the recess
On structure, the corresponding light distribution test point of dark structure that subtracts is 50L or 50R.
7. motor vehicle dipped headlight according to claim 1, which is characterized in that the collective optics include curved reflector or
Concentrator.
8. motor vehicle dipped headlight according to claim 7, which is characterized in that the material of the concentrator includes glass, gathers
It is one or more in carbonic ester PC, polymetylmethacrylate, polystyrene PS, silica gel and polyetherimide PEI.
9. motor vehicle dipped headlight according to claim 1, which is characterized in that the light source includes halogen lamp, discharge lamp, hair
It is one or more in optical diode and laser light source.
10. a kind of motor vehicle, which is characterized in that the machine including vehicle ontology and as described in any one of the claims 1-9
Motor-car dipped headlight；The motor vehicle dipped headlight is arranged on the head of the vehicle ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810566264.1A CN108662542A (en) | 2018-06-01 | 2018-06-01 | Motor vehicle dipped headlight and motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810566264.1A CN108662542A (en) | 2018-06-01 | 2018-06-01 | Motor vehicle dipped headlight and motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108662542A true CN108662542A (en) | 2018-10-16 |
Family
ID=63774121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810566264.1A Pending CN108662542A (en) | 2018-06-01 | 2018-06-01 | Motor vehicle dipped headlight and motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108662542A (en) |
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| CN109990246A (en) * | 2019-05-08 | 2019-07-09 | 成都恒坤光电科技有限公司 | A kind of distance-light consubstantiality formula vehicle front lighting lamp assembly |
| CN110030532A (en) * | 2019-05-14 | 2019-07-19 | 华域视觉科技(上海)有限公司 | A kind of lighting system and vehicle |
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| CN110030532A (en) * | 2019-05-14 | 2019-07-19 | 华域视觉科技(上海)有限公司 | A kind of lighting system and vehicle |
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